CN213742835U - Self-lubricating vehicle door hinge - Google Patents
Self-lubricating vehicle door hinge Download PDFInfo
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- CN213742835U CN213742835U CN202021574243.3U CN202021574243U CN213742835U CN 213742835 U CN213742835 U CN 213742835U CN 202021574243 U CN202021574243 U CN 202021574243U CN 213742835 U CN213742835 U CN 213742835U
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- door hinge
- vehicle door
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Abstract
The utility model discloses a self-lubricating car hinge, include: a second connecting seat and articulated shaft for fixing first connecting seat on the automobile body, being used for fixing on the door, wherein: the hinged shaft is fixed on the first connecting seat; a sleeve is fixed at one end of the second connecting seat, the sleeve is rotatably sleeved on the articulated shaft, and sealing structures are respectively arranged between the sleeve and the articulated shaft; a first chamber and a second chamber are arranged between the inner wall and the outer wall of the sleeve; a piston is arranged in the first cavity, a plurality of air holes are formed in the inner wall of the first cavity, and through holes are formed in the side wall, adjacent to one side of the second cavity, of the first cavity; an arc connecting rod is arranged in the second chamber, and one end of the arc connecting rod is connected with the piston through the through hole; the telescopic lateral wall is equipped with the incision, and the notched outside is equipped with the baffle fixed with first connecting seat, is equipped with the connecting block on the baffle, and the connecting block is connected with arc connecting rod. The utility model discloses a self-lubricating effect.
Description
Technical Field
The utility model relates to a hinge technical field especially relates to a self-lubricating car hinge.
Background
A door hinge is a hinge for connecting a door to a vehicle body to realize a door rotation switch. In the in-service use process, because the door hinge often need open and shut, will produce the friction between sleeve and the articulated shaft, after long, will make the clearance between the two become bigger and bigger, lead to furniture can not be closed tightly, have even to rock the production, also can reduce the life of hinge like this.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides a self-lubricating car hinge.
The utility model provides a pair of self-lubricating car hinge, include: a second connecting seat and articulated shaft for fixing first connecting seat on the automobile body, being used for fixing on the door, wherein:
the hinged shaft is fixed on the first connecting seat;
a sleeve is fixed at one end of the second connecting seat, the sleeve is rotatably sleeved on the articulated shaft, and sealing structures are respectively arranged between the sleeve and the articulated shaft;
a first cavity filled with lubricant and a second cavity adjacent to the first cavity are arranged between the inner wall and the outer wall of the sleeve; a piston capable of sliding circumferentially is arranged in the first cavity, a plurality of air holes are formed in the inner wall of the first cavity, and through holes for communicating the first cavity and the second cavity are formed in the adjacent side walls of the first cavity and the second cavity; an arc connecting rod coaxial with the sleeve is arranged in the second chamber, one end of the arc connecting rod is connected with the piston through the through hole, and a sealing structure is arranged between the arc connecting rod and the through hole;
the side wall of the sleeve is provided with a notch which is circumferentially arranged and communicated with the second cavity, the outer side of the notch is provided with a baffle fixed with the first connecting seat, the baffle is provided with a connecting block fixed with the baffle, and the connecting block penetrates through the notch, extends into the second cavity and is connected with the arc-shaped connecting rod.
Preferably, an annular cavity is arranged between the inner wall and the outer wall of the sleeve, and a partition is arranged in the annular cavity to divide the annular cavity into a first cavity and a second cavity located on one side of the first cavity.
Preferably, the end of the sleeve is fitted with a gas valve.
Preferably, a gland is further included at the end of the sleeve and is in threaded engagement with the hinge shaft.
Preferably, the baffle is an arcuate plate and is coaxial with the sleeve.
Preferably, the baffle is attached to the sleeve, and a rubber layer is arranged on the attaching surface of the baffle and the sleeve.
Preferably, the baffle is integrally formed with the first connecting seat.
Preferably, the hinge shaft is integrally formed with the first coupling seat.
Preferably, the first connecting seat comprises a main body part and a hinge seat positioned at one end of the main body part, and the hinge seat is provided with a raised upright post to form a hinge shaft.
Preferably, the sleeve is fixed to an end of one end of the second coupling seat.
Preferably, the sleeve is integrally formed with the second connecting socket.
In the utility model, the first cavity and the second cavity are arranged between the inner wall and the outer wall of the sleeve, the lubricant and the piston are injected into the first cavity, the air hole is arranged on the inner wall of the first cavity, the arc-shaped connecting rod is arranged in the second cavity, and one end of the arc-shaped connecting rod extends into the first cavity and is connected with the piston; simultaneously, be equipped with the incision with the second cavity intercommunication at telescopic lateral wall, set up the baffle of being connected with first connecting seat in the notched outside, set up rather than fixed connection piece on the baffle, and make the connecting block pass the incision and stretch into in the second cavity and be connected with the arc connecting rod, so that when making first connecting seat and second connecting seat produce relative rotation, can utilize the connecting block to promote the piston and slide in first cavity, and then make the emollient in the first cavity impressed between sleeve and the articulated shaft or lubricate or the emollient between sleeve and the articulated shaft is taken back to first cavity, thereby realize the self-lubricating effect.
Drawings
FIG. 1 is a schematic structural view of a self-lubricating vehicle door hinge according to the present invention;
FIG. 2 is a partial cross-sectional view of a self-lubricating vehicle door hinge according to the present invention;
fig. 3 is a schematic view of the internal structure of the sleeve in the self-lubricating vehicle door hinge provided by the utility model.
Detailed Description
The technical solution of the present invention will be described in detail by the following embodiments.
As shown in fig. 1-3, fig. 1 is a schematic structural view of a self-lubricating vehicle door hinge provided by the utility model; FIG. 2 is a partial cross-sectional view of a self-lubricating vehicle door hinge according to the present invention; fig. 3 is a schematic view of the internal structure of the sleeve in the self-lubricating vehicle door hinge provided by the utility model.
Referring to fig. 1-3, the utility model provides a self-lubricating car hinge, include: a first connecting seat 1 for fixing on the automobile body, a second connecting seat 2 for fixing on the door, and articulated shaft 3, wherein: the hinge shaft 3 is fixed to the first coupling seat 1.
One end of second connecting seat 2 is fixed with sleeve 4, sleeve 4 rotationally the suit is at articulated shaft 3, is equipped with seal structure 5 between sleeve 4 and the articulated shaft 3 respectively. An annular cavity is arranged between the inner wall and the outer wall of the sleeve 4, and a partition is arranged in the annular cavity to divide the annular cavity into a first cavity a filled with lubricant and a second cavity b adjacent to the first cavity a; a piston 6 capable of sliding circumferentially is arranged in the first cavity a, a plurality of air holes are formed in the inner wall of the first cavity a, and through holes for communicating the first cavity a and the second cavity b are formed in the adjacent side walls of the first cavity a and the second cavity b; an arc connecting rod 7 coaxial with the sleeve 4 is arranged in the second cavity b, one end of the arc connecting rod 7 is connected with the piston 6 after penetrating through the through hole, and a sealing structure 5 is arranged between the arc connecting rod 7 and the through hole. The telescopic lateral wall is equipped with circumference and arranges and with the incision c of second cavity b intercommunication, the outside of incision c is equipped with the baffle 8 fixed with first connecting seat 1, is equipped with on the baffle 8 rather than fixed connecting block 9, connecting block 9 passes incision c and stretches into in the second cavity b and be connected with arc connecting rod 7 to when making the relative first connecting seat 1 of second connecting seat 2 rotate, connecting block 9 promotes the removal of arc connecting rod 7, and then promotes piston 6 and slides in order to realize the compression to first cavity an inner space in first cavity a.
From the above, the utility model discloses a set up first cavity a and second cavity b between the inside and outside wall of sleeve 4 to inject emollient and piston 6 in first cavity a, set up the gas pocket at the inner wall of first cavity a, set up arc connecting rod 7 in second cavity b, and make one end of arc connecting rod 7 stretch into first cavity a and be connected with piston 6; simultaneously, be equipped with the incision c with second cavity b intercommunication at the lateral wall of sleeve 4, set up the baffle 8 of being connected with first connecting seat in the outside of incision c, set up rather than fixed connection piece 9 on baffle 8, and make connecting block 9 pass incision c and stretch into in the second cavity b and be connected with arc connecting rod 7, so that when making first connecting seat 1 and second connecting seat 2 produce relative rotation, can utilize connecting block 9 to promote piston 6 and slide in first cavity a, and then make the emollient of first cavity an impressed between sleeve 4 and the articulated shaft or lubricate or the emollient between sleeve 4 and the articulated shaft is taken back to first cavity an in, thereby realize self-lubricating effect. And, in the process of withdrawing, along with the increase of the radian of rotation, the resistance that continues the equidirectional rotation also increases gradually to can other good spacing effects.
In addition, in this embodiment, an air valve is installed at the end of the sleeve 4 to control whether the first chamber a is charged/discharged as required.
In this embodiment, the end of the sleeve 4 is provided with a gland 10 in threaded engagement with the hinge shaft 3.
In this embodiment, baffle 8 is the arc and coaxial with sleeve 4, and baffle 8 and 1 integrated into one piece of first connecting seat, and baffle 8 and the laminating of sleeve 4, baffle 8 and the binding face department of sleeve 4 are equipped with the rubber layer.
In this embodiment, first connecting seat 1 includes the main part and is located the articulated seat of main part one end, is equipped with bellied stand on the articulated seat in order to form articulated shaft 3 to the stability of guarantee structure, and reduce.
In this embodiment, the sleeve 4 is fixed to an end of one end of the second connecting seat 2 and is integrally formed with the second connecting seat 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (11)
1. A self-lubricating vehicle door hinge, comprising: a articulated shaft (3) for fixing first connecting seat (1) on the automobile body, be used for fixing second connecting seat (2) on the door, wherein:
the articulated shaft (3) is fixed on the first connecting seat (1);
a sleeve (4) is fixed at one end of the second connecting seat (2), the sleeve (4) is rotatably sleeved on the hinge shaft (3), and sealing structures (5) are respectively arranged between the sleeve (4) and the hinge shaft (3);
a first chamber (a) filled with lubricant and a second chamber (b) adjacent to the first chamber (a) are arranged between the inner wall and the outer wall of the sleeve (4); a piston (6) capable of sliding circumferentially is arranged in the first cavity (a), a plurality of air holes are formed in the inner wall of the first cavity (a), and through holes for communicating the first cavity (a) and the second cavity (b) are formed in the adjacent side walls of the first cavity (a) and the second cavity (b); an arc connecting rod (7) coaxial with the sleeve (4) is arranged in the second cavity (b), one end of the arc connecting rod (7) is connected with the piston (6) through the through hole, and a sealing structure (5) is arranged between the arc connecting rod (7) and the through hole;
the lateral wall of sleeve (4) is equipped with circumference and arranges and with incision (c) of second cavity (b) intercommunication, the outside of incision (c) is equipped with baffle (8) fixed with first connecting seat (1), is equipped with on baffle (8) rather than fixed connecting block (9), connecting block (9) pass incision (c) stretch into in second cavity (b) and be connected with arc connecting rod (7).
2. A self-lubricating vehicle door hinge according to claim 1, wherein an annular cavity is provided between the inner and outer walls of the sleeve (4), and a partition is provided in the annular cavity to divide the annular cavity into a first chamber (a) and a second chamber (b) located on one side of the first chamber (a).
3. Self-lubricating vehicle door hinge according to claim 1, characterized in that the end of the sleeve (4) is fitted with a gas valve.
4. A self-lubricating vehicle door hinge according to claim 1, further comprising a gland (10) located at the end of the sleeve (4) and in threaded engagement with the hinge shaft (3).
5. Self-lubricating vehicle door hinge according to claim 1, characterized in that the flap (8) is an arc-shaped plate and is coaxial with the sleeve (4).
6. A self-lubricating vehicle door hinge according to claim 1, wherein the baffle (8) is attached to the sleeve (4), and a rubber layer is provided at the attachment surface of the baffle (8) to the sleeve (4).
7. Self-lubricating door hinge according to claim 1, characterized in that the flap (8) is integrally formed with the first coupling seat (1).
8. Self-lubricating vehicle door hinge according to claim 1, characterized in that the hinge shaft (3) is integrally formed with the first coupling seat (1).
9. Self-lubricating vehicle door hinge according to claim 1, characterized in that the first coupling seat (1) comprises a body and a hinge seat at one end of the body, the hinge seat being provided with a raised upright to form the hinge shaft (3).
10. A self-lubricating vehicle door hinge according to any one of claims 1 to 9, characterised in that the sleeve (4) is fixed to the end of one end of the second coupling socket (2).
11. Self-lubricating door hinge according to claim 10, characterized in that the sleeve (4) is integrally formed with the second connecting seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574243.3U CN213742835U (en) | 2020-07-31 | 2020-07-31 | Self-lubricating vehicle door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574243.3U CN213742835U (en) | 2020-07-31 | 2020-07-31 | Self-lubricating vehicle door hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213742835U true CN213742835U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021574243.3U Active CN213742835U (en) | 2020-07-31 | 2020-07-31 | Self-lubricating vehicle door hinge |
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| Country | Link |
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| CN (1) | CN213742835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827817A (en) * | 2020-07-31 | 2020-10-27 | 宣城市君诚汽车零部件有限公司 | Self-lubricating vehicle door hinge |
-
2020
- 2020-07-31 CN CN202021574243.3U patent/CN213742835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827817A (en) * | 2020-07-31 | 2020-10-27 | 宣城市君诚汽车零部件有限公司 | Self-lubricating vehicle door hinge |
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