Abstract
The utility model discloses a vehicle armrest hinge structure, Includes hinge upper brackets and hinge lower brackets, A hinged assembly between the upper support and lower support, The chain rotation shaft successively passes through the upper hinge bracket, the first polyoxymethylene friction plate, the first metal friction plate, the lower hinge support, the nut antiloose gasket, and the metal pretension plate, The tail end of the hinge rotating shaft connects to the self-locking nuts, The lower hinge support bracket is equipped with a friction plate fixing hole, The edge of the first metal friction sheet has a first raised, The first bump card is fixed in the friction plate fixing hole, The hinge shaft is provided with a cross section profile including at least one straight segment, The hinge upper bracket and nut loose gasket fit with the abnormal segment of the hinge rotating shaft, The first polyoxymethylene friction sheet, the first metal friction sheet, the underhinge support and the metal pretension sheet are provided with round holes passed through by the hinge rotating shaft. The utility model can avoid the lag feeling during the rotation of the hinge structure.
- A car armrest hinge structure, It is characterized by the fact that, Includes hinge upper brackets and hinge lower brackets, With an articulated assembly between the hinge upper bracket and the hinge lower bracket, The articulated assembly includes a hinge rotating shaft, first polyoxymethylene friction sheet, first metal friction sheet, nut loose gasket, metal pre-tightening plate and self-locking nut, The hinge rotating shaft successively passes through the upper hinge upper holder, the first polyoxymethylene friction plate, the first metal friction plate, the lower hinge support, the nut loose gasket and the metal pre-tightening plate, The tail end of the hinge rotating shaft is connected to the self-locking nut, The lower hinge bracket is provided with a friction plate fixing hole, The edge of the first metal friction sheet is provided with a first bump, The first bump is stuck in the friction plate fixing hole to fixing the position between the first metal friction plate and the bracket under the hinge, The hinge rotating shaft is provided with a cross-section profile including a heterogeneous segment of at least one straight segment, The hinge bracket and nut gasket fit with the abnormal segment of the hinge shaft, The first polyoxymethylene friction sheet, the first metal friction sheet, the lower hinge support, and the metal pretension sheet are provided with round holes for passing through by the hinge rotating shaft.
- The automobile armrest hinge structure according to claim 1, It is characterized by the fact that, The articulated assembly includes a second polyoxymethylene friction sheet and a second metal friction sheet, The hinge rotating shaft passes successively through the hinge upper holder, the first polyoxymethylene friction sheet, the first metal friction sheet, the lower hinge friction plate, the second metal friction sheet, the second polyoxymethylene friction sheet, the nut loose gasket and the metal pre-tightening plate, The edge of the second metal friction sheet is provided with a second bulge, The second bump is stuck in the friction plate fixing hole to fixing the position between the second metal friction plate and the bracket under the hinge, The second polyoxymethylene friction sheet and the second metal friction sheet are provided with round holes passed through by the hinge pivot shaft.
- The automobile armrest hinge structure of claim 1, wherein the shaped section of the hinge shaft is chamfer at the connection of the straight segment of the profile and the arc section.
- The automobile armrest hinge structure of claim 1, wherein the friction sheet fixing hole is a square hole, and the first protrusion is bent along the edge of the first metal friction sheet.
- The car armrest hinge structure of claim 2, wherein the second protrusion is bent along the edge of the second metal friction sheet.
- The automobile armrest hinge structure of claim 1, wherein the hinge upper bracket comprises an upper support body and a rotating arm disposed on both sides of the upper support body and the hinge rotating shaft passing through the rotating arm.
- The automobile armrest hinge structure of claim 1, wherein the hinge lower support bracket comprises a lower support body and a support arm disposed on both sides of the lower support body and the hinge rotating shaft passing through the support arm.
The utility model relates to a hinge structure, in particular to a car armrest hinge structure.
Background technology
[0002]Of the existing technologies, The Chinese patent with open number CN 204586580U discloses an armrest hinge device, The armrest hinge device includes: hinge upper bracket and hinge lower bracket; The hinge upper bracket includes the hinge upper bracket body and two leg connecting mechanisms connected to the hinge upper bracket body; The leg connection mechanism includes: leg, hinge shaft, first pre-tightening pad, first friction pad and gasket; One end of the hinge rotating shaft in turn through the lower bracket of the hinge, the first pretightening plate, the first friction plate, leg and gasket and a nut fixed connection; The support leg is equipped with friction plate fixing holes, On one side of the first friction sheet is provided with a vertical first bump of the vertical first friction sheet, The first bump passes through the friction plate fixing hole, The shaft positioning plane is provided with the hinge rotating shaft, The rotating axis positioning plane is one plane, The rotating axis positioning surface is connected with the lower hinge bracket and the first pretension plate, respectively. The structure uses the friction between the pre-tightening plate and the friction plate to hover the armrest at any position. However, because the friction plate is made of synthetic resin, the inner hole of the friction plate is the waist hole, once there is a gap between the friction plate and the hinge rotating shaft, and the hinge is open and close, which will affect the use. Even if the tight coordination between the inner hole of the friction plate and the shaft pin is guaranteed, because the friction plate is relatively soft, after many switches, there will still be a lag feeling.
Practical-model content
[0003]In view of the above prior art defects, the task of the utility model is to provide a vehicle armrest hinge structure to solve the problem that the existing armrest hinge is stuck after insufficient assembly accuracy or use for a long time.
[0004]The technical solution of the utility model is that a car armrest hinge structure, Includes hinge upper brackets and hinge lower brackets, With an articulated assembly between the hinge upper bracket and the hinge lower bracket, The articulated assembly includes a hinge rotating shaft, first polyoxymethylene friction sheet, first metal friction sheet, nut loose gasket, metal pre-tightening plate and self-locking nut, The hinge, the rotating shaft successively passes through the hinge upper holder, the first polyoxymethylene friction plate, the first metal friction plate, the lower hinge support, the nut loose gasket and the metal pretension plate, The tail end of the hinge rotating shaft is connected to the self-locking nut, The lower hinge bracket is provided with a friction plate fixing hole, The edge of the first metal friction sheet is provided with a first bump, The first bump is stuck in the friction plate fixing hole to fixing the position between the first metal friction plate and the bracket under the hinge, The hinge rotating shaft is provided with a cross-section profile including a heterogeneous segment of at least one straight segment, The hinge bracket and nut gasket fit with the abnormal segment of the hinge shaft, The first polyoxymethylene friction sheet, the first metal friction sheet, the lower hinge support, and the metal pretension sheet are provided with round holes for passing through by the hinge rotating shaft.
[0005]further, The articulated assembly includes a second polyoxymethylene friction sheet and a second metal friction sheet, The hinge rotating shaft passes successively through the hinge upper holder, the first polyoxymethylene friction sheet, the first metal friction sheet, the lower hinge friction holder, the second metal friction sheet, the second polyoxymethylene friction sheet, the nut elastic gasket and the metal pre-tightening sheet, The edge of the second metal friction sheet is provided with a second bulge, The second bump is stuck in the friction plate fixing hole to fixing the position between the second metal friction plate and the bracket under the hinge, The second polyoximethylene friction sheet and the second metal friction sheet are provided with round holes for passing through the hinge pivot shaft.
[0006]Further, the alien section of the hinge rotation shaft is provided at the connection of the straight segment of the section profile to the arc segment
[0007]Further, the friction sheet fixing hole is a square hole, and the first protrusion is bent along the edges of the first metal friction sheet.
[0008]Further, the second bulge is formed by bending of the edge of the second metal friction sheet.
[0009]Further, the hinge upper bracket comprises an upper support body and a transfer arm disposed on both sides of the upper support body and the hinge transfer shaft passing through the transfer arm.
[0010]Further, the hinge lower support comprises a lower support body and a support arm disposed on both sides of the lower support body and the hinge rotating shaft passing through the support arm.
[0011]The advantage of the utility model change the mode of driving the POM friction sheet in the prior art, and the friction force between the metal friction sheet and the POM friction sheet. Make the hinge shaft rotation, POM, the friction plate either overcome the friction between the support on the hinge and the metal friction to maintain relatively static state, or overcome the friction between the metal friction and the hinge support to maintain relatively static state, to avoid the existing technology through the hole and shaft with the forced POM friction and metal friction friction, especially after a long time, to avoid the gap between the hole and the shaft, cause the change of force in the rotation process cause lag.
Specific implementation method
[0016]The utility model is further explained in combination with the embodiments, but not as a limitation of the utility model.[0017]In Embodiment 1, the automobile armrest hinge structure, including the hinge upper support 1, is shown in FIGS. 1 to 3. The hinge upper support 1 includes an upper support body 1a and a transfer arm 1b disposed on both sides of the upper support body 1a, and the hinge lower support 2 includes a lower support body 2a and a support arm 2b disposed on both sides of the lower support body 2a. An articulated assembly is provided between the transfer arm 1b and the support arm 2b. In this embodiment, the articulated assembly includes a hinge rotating shaft 3, a first polyoximethylene friction plate 4, a first metal friction plate 5, a nut antiloose spacer 6, a metal pre-tightening plate 7, and a self-locking nut 8. The hinge rotating shaft 3 successively passes through the rotating arm 1b of the hinge support 1, the first polyoxyimylene friction plate 4, the first metal friction plate 5, the support arm 2b of the hinge support 2, the nut loose pad 6 and the metal pre-tension plate 7, and the tail end of the hinge rotating shaft 3 is connected to the self-locking nut 8. The hinge lower support 2 is provided with a friction plate fixing hole 2c, which is a square hole. The edge of the first metal friction plate 5 is provided with a first protrusion 5a bent by the edge of the first metal friction plate 5, which is stuck in the friction plate fixing hole 2c so that the position between the first metal friction plate 5 and the support 2 under the hinge is relatively fixed. The hinge rotating shaft 3 is provided with a cross section profile 3a including at least a straight section 3b and a chamfer 3d connecting the straight section 3b and the arc section 3c of the section profile, preventing the special shaped section 3a of the hinge rotating shaft 3 from cutting the holes of the first polyoxyMMM and rub plate 4 to wear the first polyoxymethylene friction sheet 4 during use. The hinge support 1 and the nut anti-release pad 6 cooperate with the abnormal section 3a of the hinge shaft 3, and the first polyoxynylene friction pad 4, the first metal friction pad 5, the hinge support 2 and the metal pretension 7 are provided with round holes for passing through by the hinge shaft 3. In driving the process of rotating the upper hinge support 1, since the upper hinge support 1 and the hinge shaft 3 are in surplus, the hinge shaft 3 rotates, and the nut loose gasket 6 rotates through the nut loose gasket 6
The self-locking nut 8 controls the clearance and friction between the upper support 1 and the lower support 2 and its respective components, the first polyxy
The methyl friction plate 4 and the first metal friction plate 5 are round holes, the first polyoxymethylene friction plate 4 is supported on the hinge 1 and the first metal friction plate 5, on the hinge support 1 and the first metal friction plate 5 relative to one rotation, because the three only rely on friction movement, there is no lag feeling in the whole rotation process.
[0018]In Example 2, the upper hinge bracket 1 and the lower hinge support 2 are configured as shown in FIG. 4. Between the rotating arm 1b and the support arm 2b are a hinged assembly including a hinge rotating shaft 3, first polyoxymethylene friction sheet 4, first metal friction sheet 5, second metal friction sheet 9, and second polyoxymethylene friction sheet 10, nut loose pad 6, metal pre-tightening plate 7, and a self-locking nut 8. The hinge rotating shaft 3 successively passes through the upper hinge bracket 1, the first polyoxymethylene friction sheet 4, the first metal friction sheet 5, the lower hinge support 2, the second metal friction sheet 9, the second polyoxymethylene friction sheet 10, the nut antiloose gasket 6, and the metal pre-tension sheet 7, The edge of the second metal friction sheet 9 is bent into a second projection 9a by the edge of the second metal friction sheet 9, The second bump card 9a is fixed in the friction plate fixing hole 2c for relatively fixing the position between the second metal friction plate 8 and the lower hinge support 2, The second polyoxymethylene friction sheet 10 and the second metal friction sheet 9 are provided with round holes crossed by the hinge rotating shaft 3. The present embodiment, symmetrical first polyoximimylene friction plate 4, first metal friction plate 5, second metal friction plate 9 and second polyoximylene friction plate 19 are formed on both sides of the hinge support 2. Under the hinge, the support 2, the second metal friction plate 9 and the second polyoxethylene friction plate 10 are the force between the hinge bracket 2, the first metal friction plate 5 and the first polyoxethylene friction plate 4, the second metal friction plate 9 and the second polyoxethylene friction plate 10 are set to make the hinge support 2 more balanced.
