CN211059260U - Guide pin of disc brake - Google Patents
Guide pin of disc brake Download PDFInfo
- Publication number
- CN211059260U CN211059260U CN201922218972.9U CN201922218972U CN211059260U CN 211059260 U CN211059260 U CN 211059260U CN 201922218972 U CN201922218972 U CN 201922218972U CN 211059260 U CN211059260 U CN 211059260U
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- Prior art keywords
- guide pin
- pin body
- conical surface
- flange
- bulge loop
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Abstract
The utility model particularly relates to a uide pin of disc brake belongs to car braking system technical field, and the technical problem that solve provides an effective dirt-proof disc brake's uide pin, and the scheme of adoption is: the method comprises the following steps: the guide pin comprises a guide pin body, a flange and a dustproof ring, wherein the annular flange is arranged at the end part of the guide pin body, the dustproof ring is fixed on one side of the flange, which faces the other end of the guide pin body, and the dustproof ring and the guide pin body are coaxially arranged; the utility model discloses a uide pin can be in time discharge the gas between uide pin and the bush in the assembling process, avoid gaseous atmospheric pressure big and influence the uide pin in the downthehole slip of support, and the effectual dust deposit that prevents that the bush from keeping away from support one end, good performance when keeping the uide pin installation.
Description
Technical Field
The utility model belongs to the technical field of car braking system, concretely relates to uide pin of disc brake.
Background
The bush is equipped with on the uide pin on the present disc brake support, and the bush is used for preventing dust to prevent that dust from influencing the braking effect of stopper, and in the use, it is dustproof only to use the bush, and the one end of keeping away from the support at the bush still can deposit a large amount of dust, influences the function of stopper.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a guide pin of disc brake, and the effectual dust deposit that prevents that the support one end is kept away from to the bush keeps the good performance of guide pin mounting structure, prolongs the life of stopper guide pin, and in the guide pin assembling process, can in time discharge the gas between guide pin and the bush, avoids gaseous atmospheric pressure big and influence the slip of guide pin in the support hole.
In order to solve the technical problem, the utility model discloses a technical scheme be: a guide pin for a disc brake, comprising: the guide pin comprises a guide pin body, a flange and a dustproof ring, wherein the annular flange is arranged at the end part of the guide pin body, the dustproof ring is fixed on one side of the flange, which faces the other end of the guide pin body, and the dustproof ring and the guide pin body are coaxially arranged.
Still be provided with on the uide pin body: first conical surface bulge loop, second conical surface bulge loop, first air discharge duct and second air discharge duct, be close to on the uide pin body the one end of flange has set gradually first conical surface bulge loop and second conical surface bulge loop, the even interval of circumference of first conical surface bulge loop and second conical surface bulge loop junction is provided with a plurality ofly first air discharge duct, the even interval of inner wall circumference of dirt proof ring is provided with a plurality ofly the second air discharge duct.
The guide pin is installed with bush, support cooperation in the installation, the guide pin body suit is in the support, the flange with be equipped with between the tip of support the bush, the inner wall of dust ring with the outer wall interference fit of bush tip, the middle part of guide pin body with the bush formation cavity.
The inner walls at the two ends of the bushing are in interference fit with the guide pin body, and the bushing is located on the outer wall inside the support and in interference fit with the support.
The conical surfaces of the first conical surface convex ring and the second conical surface convex ring face the support, the first conical surface convex ring is close to the flange, and one end, far away from the support, of the bushing is sleeved on the outer side of the joint of the first conical surface convex ring and the second conical surface convex ring.
The gas of the cavity formed by the guide pin body and the bushing is discharged to the cavity between the flange and the dustproof ring through the first exhaust groove, and the gas of the cavity between the flange and the dustproof ring is discharged through the second exhaust groove
The diameter of the small-diameter end of the first conical surface convex ring is smaller than that of the large-diameter end of the second conical surface convex ring, the diameter of the large-diameter end of the first conical surface convex ring is larger than that of the large-diameter end of the second conical surface convex ring, and the first conical surface convex ring and the second conical surface convex ring are designed to increase the connection rigidity among the guide pin body, the bushing and the support.
The support is coaxially provided with two mounting grooves which are sleeved with each other, and the diameter of the bottom of each mounting groove is larger than that of the opening of the mounting groove.
Be fixed with on the bush with two joint sections of mounting groove matched with, the bottom mounting of joint section with mounting groove matched with bush bulge loop, two joint sections and corresponding the bush bulge loop is used for the increase connecting rigidity between uide pin body, bush and the support.
The lining adopts a structure with elasticity.
The end part of the guide pin body is provided with a mounting hole.
The guide pin body and the dust ring are made of metal materials.
Compared with the prior art, the utility model following beneficial effect has.
One, the utility model discloses an orientation on the flange one side of support is fixed with the dust ring, and the tip of bush can be protected to the dust ring, prevents piling up of dust to further protection uide pin keeps the good performance of uide pin mounting structure, prolongs the life of stopper uide pin.
Two, the utility model discloses a first conical surface bulge loop and second conical surface bulge loop have set gradually on the uide pin, the even interval of circumference of first conical surface bulge loop and second conical surface bulge loop junction is provided with a plurality of first air discharge ducts, the one end that the support was kept away from to the bush cup joints in the outside of first conical surface bulge loop and second conical surface bulge loop junction, the even interval of inner wall circumference of dirt ring is provided with a plurality of second air discharge ducts, the cavity between flange and the dirt ring is arranged by first air discharge duct to the gas of the cavity that uide pin and bush formed, the gas of the cavity between flange and the dirt ring is discharged by the second air discharge duct, in the uide pin assembling process, in time discharge the gas between uide pin and the bush, can effectively avoid gaseous atmospheric pressure big and influence the slip of uide pin in the support hole.
Thirdly, the utility model discloses coaxial two mounting grooves that are provided with mutually and overlap on the support, be fixed with on the bush with two joint sections of mounting groove matched with, the bottom mounting of joint section and mounting groove matched with bush bulge loop, joint section and corresponding bush bulge loop can increase the rigidity of being connected between uide pin, bush and the support, have increased this automobile brake's uide pin mounting structure's factor of safety.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a sectional view of a guide pin mounting structure of a disc brake according to the present invention.
Fig. 2 is a front view of a guide pin mounting structure of the disc brake according to the present invention.
Fig. 3 is a partial cross-sectional view of the guide pin of the present invention.
Fig. 4 is a right side view of the guide pin of the present invention.
Fig. 5 is a schematic structural view of the mounting groove on the bracket of the present invention.
In the figure: 1 is the uide pin body, 2 is the dirt proof ring, 3 is the bush, 4 is the support, 5 is the bush bulge loop, 6 is the joint section, 7 is first conical surface bulge loop, 8 is the flange, 9 is first exhaust groove, 10 is the mounting groove, 11 is the second exhaust groove, 12 is the second conical surface bulge loop.
Detailed Description
The following is a further description with reference to specific examples.
A guide pin for a disc brake, comprising: the guide pin comprises a guide pin body 1, a flange 7 and a dustproof ring 2, wherein the annular flange 7 is arranged at the end part of the guide pin body 1, the dustproof ring 2 is fixed on one side of the flange 7, which faces the other end of the guide pin body 1, and the dustproof ring 2 and the guide pin body 1 are coaxially arranged.
The guide pin body 1 is further provided with: first conical surface bulge loop 7, second conical surface bulge loop 12, first exhaust groove 9 and second exhaust groove 11, be close to on the uide pin body 1 the one end of flange 7 has set gradually first conical surface bulge loop 7 and second conical surface bulge loop 12, the even interval in circumference of first conical surface bulge loop 7 and second conical surface bulge loop 12 junction is provided with a plurality ofly first exhaust groove 9, the even interval in inner wall circumference of dirt proof ring 2 is provided with a plurality ofly second exhaust groove 11.
The utility model discloses a dustproof cover, including guide pin, bush 3, support 4, guide pin body 1 suit is in the installation with bush 3, support 4 cooperation installation, the guide pin body 1 suit is in the support 4, flange 7 with be equipped with between the tip of support 4 bush 3, the inner wall of dust ring 2 with the outer wall interference fit of bush 3, the middle part of guide pin body 1 with bush 3 forms the cavity, the gas of cavity by first exhaust groove 9 with second exhaust groove 11 discharges.
The inner walls of the two ends of the bushing 3 are in interference fit with the guide pin body 1, and the bushing 3 is located on the outer wall inside the support 4 and in interference fit with the support 4.
The conical surface orientation of first conical surface bulge loop 7 and second conical surface bulge loop 12 support 4 sets up, first conical surface bulge loop 7 is close to flange 7, bush 3 is kept away from the one end of support 4 cup joints in the outside of first conical surface bulge loop 7 and second conical surface bulge loop 12 junction, uide pin body 1 with the gas of the cavity that bush 3 formed by first air discharge duct 9 arrange extremely flange 7 with cavity between the dust ring 2, flange 7 with the gas of cavity between the dust ring 2 by second air discharge duct 11 discharges.
The diameter of the small-diameter end of the first conical surface convex ring 7 is smaller than that of the large-diameter end of the second conical surface convex ring 12, the diameter of the large-diameter end of the first conical surface convex ring 7 is larger than that of the large-diameter end of the second conical surface convex ring 12, and the first conical surface convex ring 7 and the second conical surface convex ring 12 are designed to increase the connection rigidity among the guide pin body 1, the bushing 3 and the support 4.
The support 4 is coaxially provided with two mounting grooves 10 which are sleeved with each other, and the diameter of the bottom of each mounting groove 10 is larger than that of the opening of the mounting groove.
Be fixed with on the bush 3 with two joint sections 6 of mounting groove 10 matched with, the bottom mounting of joint section 6 with mounting groove 10 matched with bush bulge loop 5, two joint sections 6 and corresponding bush bulge loop 5 is used for the increase connecting rigidity between uide pin body 1, bush 3 and the support 4.
The liner 3 is of a resilient structure.
The end part of the guide pin body 1 is provided with a mounting hole.
The guide pin body 1 and the dust ring 2 are made of metal materials.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. A guide pin for a disc brake, comprising: the guide pin comprises a guide pin body (1), a flange (8) and a dustproof ring (2), wherein the end of the guide pin body (1) is provided with the annular flange (8), the dustproof ring (2) is fixed on one side, facing the other end of the guide pin body (1), of the flange (8), and the dustproof ring (2) and the guide pin body (1) are coaxially arranged.
2. Guide pin for a disc brake according to claim 1, characterized in that the guide pin body (1) is further provided with: first conical surface bulge loop (7), second conical surface bulge loop (12), first exhaust groove (9) and second exhaust groove (11), be close to on uide pin body (1) the one end of flange (8) has set gradually first conical surface bulge loop (7) and second conical surface bulge loop (12), the even interval of circumference of first conical surface bulge loop (7) and second conical surface bulge loop (12) junction is provided with a plurality ofly first exhaust groove (9), the even interval of inner wall circumference of dirt proof ring (2) is provided with a plurality ofly second exhaust groove (11).
3. A guide pin of a disc brake according to claim 2, characterized in that the guide pin is installed in cooperation with a bushing (3) and a bracket (4) during installation, the guide pin body (1) is sleeved in the bracket (4), the bushing (3) is arranged between the flange (8) and the end of the bracket (4), the inner wall of the dust ring (2) is in interference fit with the outer wall of the bushing (3), the middle part of the guide pin body (1) and the bushing (3) form a cavity, and gas in the cavity is exhausted from the first exhaust groove (9) and the second exhaust groove (11).
4. Guide pin of a disc brake according to claim 3, characterized in that the bushing (3) used in the installation of the guide pin is of a resilient construction.
5. A guide pin for a disc brake according to claim 4, wherein the end of the guide pin body (1) is provided with a mounting hole.
6. A guide pin for a disc brake according to claim 5, characterized in that the guide pin body (1) and the dust ring (2) are both of a metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218972.9U CN211059260U (en) | 2019-12-12 | 2019-12-12 | Guide pin of disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218972.9U CN211059260U (en) | 2019-12-12 | 2019-12-12 | Guide pin of disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059260U true CN211059260U (en) | 2020-07-21 |
Family
ID=71595650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922218972.9U Active CN211059260U (en) | 2019-12-12 | 2019-12-12 | Guide pin of disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059260U (en) |
-
2019
- 2019-12-12 CN CN201922218972.9U patent/CN211059260U/en active Active
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