CN212717724U - Guide pin for automobile brake calipers - Google Patents
Guide pin for automobile brake calipers Download PDFInfo
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- CN212717724U CN212717724U CN202021373832.5U CN202021373832U CN212717724U CN 212717724 U CN212717724 U CN 212717724U CN 202021373832 U CN202021373832 U CN 202021373832U CN 212717724 U CN212717724 U CN 212717724U
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Abstract
The utility model provides a guide pin for automobile brake caliper belongs to auto-parts technical field. It has solved current car brake for calliper uide pin weight heavy, the installation scheduling problem not in place. This car is uide pin for brake caliper is including being straight rod-shaped body, and the body has the head of radial evagination, still has the undergauge section that meets in the head bottom surface between head and the body, and the external diameter of undergauge section is less than the external diameter of head and the external diameter of undergauge section is greater than the external diameter of body, and the top surface of head has rather than the screw hole of coaxial setting, and the body has the axial through to the through-hole of screw hole. The utility model has the advantages of light weight, good installation effect, good lubricating property and the like.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, a braking calliper accessory is related to, in particular to guide pin for car braking calliper.
Background
The guide pin directly influences the motion flexibility of the brake caliper and the brake sensitivity and is an important safety element.
For example, chinese patent literature discloses a guide pin for a brake caliper [ application No.: 201120390802. X; authorization notice number: CN202301598U ], which comprises a guide pin, a rubber bushing embedded in the head of the guide pin, a copper retaining ring disposed between the head of the rubber bushing and the head of the guide pin, the copper retaining ring being embedded in the guide pin, and the tail end of the guide pin being in arc transition.
The copper retaining ring in the guide pin for the brake caliper has good wear resistance, so that the head of the guide pin can be prevented from being worn and friction noise can be reduced, but the solid structure enables the weight to be heavier, the lightweight design requirement cannot be met, air in the guide hole cannot be discharged during installation, an air plug exists, the guide pin is not installed in place, the product quality is influenced, the rigidity is not ideal enough, and the lubricating effect is not good.
Disclosure of Invention
The utility model aims at providing a light in weight, installation effect are good, the good for the lubricating property, the good for car brake caliper uide pin of rigidity to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a car is uide pin for brake caliper, is including being straight rod-like body, the body head that has radial evagination, its characterized in that, head and body between still have and meet in the undergauge section of head, the external diameter of undergauge section be less than the external diameter of head and the external diameter of undergauge section be greater than the external diameter of body, the top surface of head have rather than the coaxial screw hole that sets up, the body have the axial through to the through-hole of screw hole.
In the above guide pin for automobile brake calipers, the aperture of the through hole is smaller than that of the threaded hole.
In the guide pin for the automobile brake caliper, the reducing section is transited to the body through a conical surface, and the edges of the conical surface are transited in a round angle mode.
As another aspect, in the above guide pin for automobile brake calipers, the outer wall of the body near the reducing section is provided with a circle of annular groove, the body is sleeved with a rubber sleeve arranged in the same diameter as the reducing section, the top surface of the rubber sleeve abuts against the bottom surface of the reducing section, the bottom surface of the rubber sleeve is located in the middle of the annular groove, and the inner wall of the rubber sleeve is provided with a matching portion embedded in the annular groove.
In the above guide pin for an automobile brake caliper, the body has an oil passage hole penetrating in a radial direction. The oil through hole enables lubricating grease in the through hole to flow between the body and the guide hole, and the lubricating effect is improved.
In the above-mentioned guide pin for an automobile brake caliper, the body has an annular oil passage groove in which an orifice of the oil passage hole is located. The annular oil through groove enables the lubricating grease to have good circulation, an effective lubricating oil film is convenient to form, and the lubricating effect is improved.
Compared with the prior art, the guide pin for the automobile brake caliper has the advantages of light weight, light design requirement satisfaction, good rigidity, good installation effect, good lubricating property and long service life.
Drawings
Fig. 1 is a sectional view of the guide pin for an automobile brake caliper in the structure of embodiment 1.
Fig. 2 is a sectional view of the guide pin for an automobile brake caliper in the structure of embodiment 2.
Fig. 3 is an enlarged view of the structure of fig. 2 at circle a.
Fig. 4 is an enlarged view of the structure of fig. 2 at circle B.
In the figure, 1, a body; 2. a head portion; 3. a reducing section; 4. a threaded hole; 5. a through hole; 6. a conical surface; 7. a rubber sleeve; 71. a matching section; 8. an oil through hole; 9. annular leads to oil groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, the guide pin for the automobile brake caliper comprises a straight rod-shaped body 1, wherein the body 1 is provided with a radially outwards protruding head part 2, a reducing section 3 connected to the bottom surface of the head part 2 is further arranged between the head part 2 and the body 1, the outer diameter of the reducing section 3 is smaller than that of the head part 2, the outer diameter of the reducing section 3 is larger than that of the body 1, the top surface of the head part 2 is provided with a threaded hole 4 coaxially arranged with the head part, and the body 1 is provided with a through hole 5 axially penetrating through the threaded hole 4.
The reducing section 3 of the guide pin for the automobile brake caliper plays a role of being clamped into a caliper body of the brake caliper, so that the connection is more stable; during installation, air in the guide hole is discharged through the through hole 5 and the threaded hole 4, the air blockage problem does not exist, the installation is in place, the product consistency is good, the rigidity of the body 1 is improved due to the arrangement of the through hole 5, the weight of a finished product is reduced, and the lightweight design requirement is met; the through hole 5 can contain lubricating grease, so that the lubricating effect between the body 1 and the guide hole is good.
In a further detail, the aperture of the through hole 5 is smaller than that of the threaded hole 4, so that the rigidity is met, the structural strength is good, and the service life is long; reducing section 3 passes through conical surface 6 and passes through to body 1, and the equal fillet transition in edge of conical surface 6, the setting of conical surface 6, fillet for can not stress concentration between reducing section 3 and the body 1, structural rigidity is high, long service life.
Example 2
As shown in fig. 2, fig. 3 and fig. 4, the outer wall of the body 1 close to the reducing section 3 in this embodiment has a round annular groove, the body 1 is sleeved with the rubber sleeve 7 which is arranged in the same diameter as the reducing section 3, the top surface of the rubber sleeve 7 is abutted to the bottom surface of the reducing section 3 and the bottom surface of the rubber sleeve 7 is located near the center of the annular groove, the inner wall of the rubber sleeve 7 is provided with the matching portion 71 which is embedded in the annular groove, the reducing section 3 is clamped into the caliper body, the outer wall, the bottom surface and the matching portion 71 of the rubber sleeve 7 can form three effective seals with the step of the caliper body, the sealing performance is good, the leakage of lubricating grease is avoided, the working stability is good, and the lubricating.
The body 1 has an oil passage hole 8 penetrating radially therethrough, and the body 1 has an annular oil passage groove 9 having an orifice of the oil passage hole 8 located therein. The oil through hole 8 is located body 1 middle part department and has two of symmetry in this embodiment, and annular oil through groove 9 makes the drill way of two oil through holes 8 all be located wherein, and oil through hole 8 and annular oil through groove 9 make the lubricating grease circulation in the through-hole 5 to body 1 and between the guiding hole, have improved lubricated effect.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides an automobile brake calliper is with uide pin, is including being straight rod-like body (1), body (1) head (2) that radially evaginate, its characterized in that, head (2) and body (1) between still have and connect in reducing section (3) of head (2) bottom surface, the external diameter of reducing section (3) be less than the external diameter of head (2) and the external diameter of reducing section (3) be greater than the external diameter of body (1), the top surface of head (2) screw hole (4) rather than coaxial setting, body (1) have axial through to through-hole (5) of screw hole (4).
2. Guide pin for vehicle brake calipers according to claim 1, characterized in that the diameter of the through hole (5) is smaller than the diameter of the threaded hole (4).
3. Guide pin for brake calipers of cars according to claim 2, characterized in that the reduced diameter section (3) transitions into the body (1) through a conical surface (6), the edges of the conical surface (6) all transition round.
4. The guide pin for automobile brake calipers according to claim 2, wherein the outer wall of the body (1) close to the reducing section (3) is provided with a ring-shaped groove, the body (1) is sleeved with a rubber sleeve (7) which is arranged in the same diameter as the reducing section (3), the top surface of the rubber sleeve (7) is abutted against the bottom surface of the reducing section (3), the bottom surface of the rubber sleeve (7) is positioned in the middle of the ring-shaped groove, and the inner wall of the rubber sleeve (7) is provided with a matching part (71) embedded in the ring-shaped groove.
5. Guide pin for automobile brake calipers, according to claim 4, characterized in that said body (1) has a radially through oil passage hole (8).
6. Guide pin for vehicle brake calipers according to claim 5, characterized in that the body (1) has an annular oil channel (9) with the orifice of the oil channel (8) located therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373832.5U CN212717724U (en) | 2020-07-14 | 2020-07-14 | Guide pin for automobile brake calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373832.5U CN212717724U (en) | 2020-07-14 | 2020-07-14 | Guide pin for automobile brake calipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717724U true CN212717724U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021373832.5U Active CN212717724U (en) | 2020-07-14 | 2020-07-14 | Guide pin for automobile brake calipers |
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| Country | Link |
|---|---|
| CN (1) | CN212717724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623175A (en) * | 2021-12-28 | 2022-06-14 | 镇江福斯特汽车零部件有限公司 | Safety guide pin structure for automobile brake |
-
2020
- 2020-07-14 CN CN202021373832.5U patent/CN212717724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623175A (en) * | 2021-12-28 | 2022-06-14 | 镇江福斯特汽车零部件有限公司 | Safety guide pin structure for automobile brake |
| CN114623175B (en) * | 2021-12-28 | 2023-09-01 | 镇江福斯特汽车零部件有限公司 | Safety Guide Pin Structure for Automobile Brake |
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