CN116292680B - Sliding bearing for automobile braking system - Google Patents
Sliding bearing for automobile braking system Download PDFInfo
- Publication number
- CN116292680B CN116292680B CN202310197921.0A CN202310197921A CN116292680B CN 116292680 B CN116292680 B CN 116292680B CN 202310197921 A CN202310197921 A CN 202310197921A CN 116292680 B CN116292680 B CN 116292680B
- Authority
- CN
- China
- Prior art keywords
- groove
- guide
- guide pin
- ring
- limit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000003921 oil Substances 0.000 claims description 30
- 239000010687 lubricating oil Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/005—Components of axially engaging brakes not otherwise provided for
- F16D65/0087—Brake housing guide members, e.g. caliper pins; Accessories therefor, e.g. dust boots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a sliding bearing for an automobile braking system, and relates to the technical field of bearings. The key points of the technical scheme are as follows: the guide pin is sleeved with a guide shaft sleeve and is in sliding connection with the guide shaft sleeve, an oil film groove is formed in the circumferential surface of the guide pin, limit grooves are formed in the circumferential surface of the guide pin, the limit grooves are formed in the two ends of the oil film groove, limiting rings in the limit grooves are arranged on the inner walls of the two ends of the guide shaft sleeve in a sliding connection mode, a sealing cover is arranged at one end of the guide pin, and a sealing assembly is arranged on the circumferential surface of the other end of the sealing cover. The invention aims to provide a sliding bearing for a vehicle braking system.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a sliding bearing for an automobile brake system.
Background
When the disc brake of the automobile works, the brake mechanism pushes the brake caliper to slide on the guide pin to press the brake disc, so that a braking effect is achieved, and a sliding bearing is usually arranged between the guide pin and the brake caliper for protecting the guide pin.
The conventional sliding bearing generally needs to be lubricated by adding a lubricant into the bearing, but the consumption of the lubricant is accelerated due to the long-term exposure of the sliding bearing to the external environment, and the external fine particle impurities are easy to enter the bearing, so that the lubrication is affected by the mixing of the fine particle impurities into the lubricant.
Therefore, a new solution is needed to solve the above technical problems.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a sliding bearing for a vehicle brake system.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a slide bearing for automobile braking system, includes the guide pin, the guide pin cover is established and sliding connection has the guide sleeve, oil film groove has been seted up to the circumference surface of guide pin, the spacing groove has been seted up at the both ends that guide pin circumference surface is located oil film groove, guide sleeve's both ends inner wall be provided with sliding connection in spacing inslot spacing ring, the one end of guide pin is provided with sealed lid, and the circumference surface that its is located sealed lid other end is provided with seal assembly.
Through adopting above-mentioned technical scheme, through with guide sleeve interference fit in the stopper pincers body during the installation for guide sleeve's internal surface is at guide pin surface slip, plays sealed effect with sealed subassembly with the slip section for the guide pin to guide sleeve through sealed lid, in order to play the guard action to it, and through being provided with spacing groove and spacing ring at the both ends of oil film groove, plays further guard action to the internal environment of oil film groove, in order to guarantee the lubrication effect between guide pin and the guide sleeve.
The invention is further provided with: both sides of the two limit grooves are provided with first rubber rings.
The invention is further provided with: the circumference inner wall of spacing ring is provided with first graphite ring.
The invention is further provided with: the circumference surface of the guide pin, which is positioned between the oil film groove and the two limiting grooves, is provided with a second graphite ring.
The invention is further provided with: one of them spacing inslot is filled with oily lubricating oil for lubricating oil is located the cavity that spacing ring and spacing groove one side inner wall formed, a plurality of first guiding gutter have been seted up to the surface that the guide pin is located between spacing groove and the oil film groove, make first guiding gutter communicate in spacing groove and oil film groove, the guide pin is located a plurality of second guiding gutter have been seted up between two spacing grooves.
The invention is further provided with: the sealing cover is fixedly connected to one end of the guide pin through threads, and a groove for sliding connection of the guide shaft sleeve in the sealing cover is formed in the inner wall of one end of the sealing cover.
The invention is further provided with: the circumference surface of guide pin is located the other end of sealed lid and has seted up the ring channel, seal assembly including sliding connection in go-between in the ring channel, the go-between is provided with the sealing ring towards the lateral wall of guide sleeve, the seal groove that supplies the sealing ring to insert is seted up to the tip of guide sleeve.
The invention is further provided with: the connecting ring is characterized in that a plurality of connecting rods are arranged on the other side wall of the connecting ring, a connecting groove for connecting rods to slide is formed in the side wall of the annular groove, and a spring is fixedly connected between the inner wall of the end part of the connecting groove and the connecting rods.
The invention is further provided with: and a second rubber ring is arranged on the inner wall of the bottom of the sealing groove.
The invention has the following beneficial effects: during installation, the guide shaft sleeve is in interference fit with the brake caliper body, so that the inner surface of the guide shaft sleeve slides on the surface of the guide pin, the guide shaft sleeve and the sealing assembly play a sealing role relative to the sliding section of the guide pin through the sealing cover and the sealing assembly, so that the guide shaft sleeve is protected, and the limiting grooves and the limiting rings are arranged at the two ends of the oil film groove, so that the inner environment of the oil film groove is further protected, and the lubricating effect between the guide pin and the guide shaft sleeve is guaranteed.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment;
FIG. 2 is a schematic view of the structure of the guide pin of the present embodiment;
FIG. 3 is a schematic cross-sectional view of the guide sleeve according to the present embodiment;
FIG. 4 is an enlarged view of part A of FIG. 2 according to the present embodiment;
FIG. 5 is a schematic cross-sectional view of the seal cover of the present embodiment;
FIG. 6 is a schematic cross-sectional view of a part of the structure of the present embodiment;
fig. 7 is a partially enlarged schematic view of the portion B in fig. 6 of the present embodiment;
fig. 8 is a partially enlarged schematic view of the C portion in fig. 6 of the present embodiment.
Description of the drawings: 1. a guide pin; 2. a guide sleeve; 3. an oil film groove; 4. a limit groove; 5. a limiting ring; 6. sealing cover; 7. a first rubber ring; 8. a first graphite ring; 9. a second graphite ring; 10. a first diversion trench; 11. a second diversion trench; 12. a groove; 13. an annular groove; 14. a connecting ring; 15. a seal ring; 16. sealing grooves; 17. a connecting rod; 18. a connecting groove; 19. a spring; 20. and a second rubber ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1 and 2, a sliding bearing for an automobile braking system comprises a guide pin 1, wherein a guide shaft sleeve 2 is sleeved on the guide pin 1 and is in sliding connection with the guide pin, an oil film groove 3 is formed in the circumferential surface of the guide pin 1, limit grooves 4 are formed in the circumferential surface of the guide pin 1 at the two ends of the oil film groove 3, limit rings 5 which are in sliding connection with the limit grooves 4 are arranged on the inner walls of the two ends of the guide shaft sleeve 2, a sealing cover 6 is arranged at one end of the guide pin 1, and a sealing assembly is arranged on the circumferential surface of the other end of the sealing cover 6.
During installation, the guide shaft sleeve 2 is in interference fit with the brake caliper body, so that the inner surface of the guide shaft sleeve 2 slides on the surface of the guide pin 1, the sealing effect on the sliding section of the guide shaft sleeve 2 relative to the guide pin 1 is achieved through the sealing cover 6 and the sealing assembly, and the limiting grooves 4 and the limiting rings 5 are arranged at the two ends of the oil film groove 3, so that the internal environment of the oil film groove 3 is further protected, and the lubricating effect between the guide pin 1 and the guide shaft sleeve 2 is guaranteed.
As shown in fig. 2, the two sides of the two limiting grooves 4 are respectively provided with a first rubber ring 7, when the braking work is performed to drive the guide shaft sleeve 2 to reciprocate, a certain buffer effect is achieved on the guide shaft sleeve 2 through the first rubber rings 7, and when the two ends of the guide shaft sleeve 2 are abutted against the first rubber rings 7, a certain sealing effect is achieved, and a protection effect is further achieved on the joint of the guide shaft sleeve 2 and the guide pin 1.
As shown in fig. 2, the circumferential inner wall of the limit ring 5 is provided with a first graphite ring 8, and as shown in fig. 3, the circumferential surfaces of the guide pin 1 between the oil film groove 3 and the two limit grooves 4 are provided with second graphite rings 9, so that the friction force between the sliding connection part of the guide pin 1 and the guide shaft sleeve 2 is reduced, and the damage to the guide pin during the braking operation is reduced.
As shown in fig. 4, 6 and 7, one of the limiting grooves 4 is filled with oil, so that the oil is located in a cavity formed by the limiting ring 5 and one side inner wall of the limiting groove 4, a plurality of first guide grooves 10 are formed in the surface of the guide pin 1 between the limiting groove 4 and the oil film groove 3, the first guide grooves 10 are communicated with the limiting groove 4 and the oil film groove 3, and a plurality of second guide grooves 11 are formed in the position of the guide pin 1 between the two limiting grooves 4. In the working process of braking, when the guide shaft sleeve 2 moves, lubricating oil in the limit groove 4 at one end enters the oil film groove 3 through the first guide groove 10 under the action of pressure, and flows into the limit groove 4 at the other end from the first guide groove 10 at the other side, the flow quantity of the lubricating oil is increased through the second guide groove 11, the lubricating oil can smoothly flow into the other limit groove 4 from the limit groove 4, so that the lubricating oil in an oil film can be driven to flow to a certain extent in the reciprocating braking process, the service life of the lubricating oil is further prolonged while the lubricating effect is improved, and the lubricating effect is ensured by having the lubricating oil for a long time in the oil film groove 3.
As shown in fig. 1 and 5, the sealing cover 6 is fixedly connected to one end of the guide pin 1 through threads, a groove 12 for sliding connection of the guide shaft sleeve 2 inside the guide shaft sleeve is formed in the inner wall of one end of the sealing cover, and one end of the guide shaft sleeve 2 is always located in the groove 12 in the sliding process, so that a sealing effect is achieved on one end of the guide shaft sleeve.
As shown in fig. 2, fig. 6, fig. 7 and fig. 8, the circumferential surface of the guide pin 1 is located the other end of the sealing cover 6 and is provided with an annular groove 13, the sealing assembly comprises a connecting ring 14 which is slidably connected in the annular groove 13, the side wall of the connecting ring 14 facing the guide shaft sleeve 2 is provided with a sealing ring 15, the end part of the guide shaft sleeve 2 is provided with a sealing groove 16 for inserting the sealing ring 15, the other side wall of the connecting ring 14 is provided with a plurality of connecting rods 17, the side wall of the annular groove 13 is provided with a connecting groove 18 for slidably connecting the connecting rods 17, a spring 19 is fixedly connected between the inner wall of the end part of the connecting groove 18 and the connecting rods 17, the inner wall of the bottom of the sealing groove 16 is provided with a second rubber ring 20, and the sealing performance between the sealing ring 15 and the guide shaft sleeve 2 is further improved through the second rubber ring.
Under normal state, under the elastic force of spring 19, sealing ring 15 is located in seal groove 16, and when guide sleeve 2 slides towards the one end of go-between 14, drive go-between 14 and slide along the groove simultaneously for spring 19 is compressed by further, under the elastic force of spring 19, makes the tip of sealing ring 15 further support tightly in seal groove 16, further promotes sealed effect, and when guide sleeve 2 is reset, under the elastic force of spring 19, go-between 14 also resets thereupon.
The present invention is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. A slide bearing for an automotive braking system, characterized by: the guide pin is sleeved with and connected with a guide shaft sleeve in a sliding manner, an oil film groove is formed in the circumferential surface of the guide pin, limit grooves are formed in the circumferential surface of the guide pin at two ends of the oil film groove, limit rings which are connected in the limit grooves in a sliding manner are arranged on the inner walls of the two ends of the guide shaft sleeve, a sealing cover is arranged at one end of the guide pin, a sealing assembly is arranged on the circumferential surface of the other end of the sealing cover, oil lubricating oil is filled in one of the limit grooves, so that the lubricating oil is located in a cavity formed by the limit rings and one side inner wall of the limit groove, a plurality of first guide grooves are formed in the surface of the guide pin between the limit groove and the oil film groove, the first guide grooves are communicated with the limit grooves and the oil film groove, and a plurality of second guide grooves are formed between the two limit grooves;
when the guide shaft sleeve moves, lubricating oil in the limit groove at one end enters the oil film groove through the first guide groove under the action of pressure, and flows into the limit groove at the other end from the first guide groove at the other side, so that the lubricating oil in the oil film groove can be driven to flow in the reciprocating braking process.
2. A sliding bearing for a vehicle brake system according to claim 1, wherein: both sides of the two limit grooves are provided with first rubber rings.
3. A sliding bearing for a vehicle brake system according to claim 2, wherein: the circumference inner wall of spacing ring is provided with first graphite ring.
4. A slide bearing for an automotive braking system according to claim 3, characterized in that: the circumference surface of the guide pin, which is positioned between the oil film groove and the two limiting grooves, is provided with a second graphite ring.
5. A sliding bearing for a vehicle brake system according to claim 1, wherein: the sealing cover is fixedly connected to one end of the guide pin through threads, and a groove for sliding connection of the guide shaft sleeve in the sealing cover is formed in the inner wall of one end of the sealing cover.
6. A sliding bearing for a vehicle brake system according to claim 1, wherein: the circumference surface of guide pin is located the other end of sealed lid and has seted up the ring channel, seal assembly including sliding connection in go-between in the ring channel, the go-between is provided with the sealing ring towards the lateral wall of guide sleeve, the seal groove that supplies the sealing ring to insert is seted up to the tip of guide sleeve.
7. A sliding bearing for a vehicle brake system according to claim 6, wherein: the connecting ring is characterized in that a plurality of connecting rods are arranged on the other side wall of the connecting ring, a connecting groove for connecting rods to slide is formed in the side wall of the annular groove, and a spring is fixedly connected between the inner wall of the end part of the connecting groove and the connecting rods.
8. A sliding bearing for a vehicle brake system according to claim 7, wherein: and a second rubber ring is arranged on the inner wall of the bottom of the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310197921.0A CN116292680B (en) | 2023-02-24 | 2023-02-24 | Sliding bearing for automobile braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310197921.0A CN116292680B (en) | 2023-02-24 | 2023-02-24 | Sliding bearing for automobile braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116292680A CN116292680A (en) | 2023-06-23 |
| CN116292680B true CN116292680B (en) | 2023-09-19 |
Family
ID=86793573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310197921.0A Active CN116292680B (en) | 2023-02-24 | 2023-02-24 | Sliding bearing for automobile braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116292680B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249172B (en) * | 2023-10-13 | 2024-04-09 | 浙江中达精密部件股份有限公司 | Sliding bearing system for wind power equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204900614U (en) * | 2015-08-31 | 2015-12-23 | 克诺尔制动系统（大连）有限公司 | Disc brake is with preventing silt particle slide bearing |
| CN207349320U (en) * | 2017-09-21 | 2018-05-11 | 天合汽车安全技术(张家港)有限公司 | A kind of brake caliper guiding pin arrangement |
| CN209638387U (en) * | 2019-04-03 | 2019-11-15 | 台州华思汽车零部件有限公司 | A kind of brake caliper piston |
| CN215058937U (en) * | 2021-01-05 | 2021-12-07 | 重庆南雁实业集团龙剑机械制造有限公司 | Double-seal bearing |
-
2023
- 2023-02-24 CN CN202310197921.0A patent/CN116292680B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204900614U (en) * | 2015-08-31 | 2015-12-23 | 克诺尔制动系统（大连）有限公司 | Disc brake is with preventing silt particle slide bearing |
| CN207349320U (en) * | 2017-09-21 | 2018-05-11 | 天合汽车安全技术(张家港)有限公司 | A kind of brake caliper guiding pin arrangement |
| CN209638387U (en) * | 2019-04-03 | 2019-11-15 | 台州华思汽车零部件有限公司 | A kind of brake caliper piston |
| CN215058937U (en) * | 2021-01-05 | 2021-12-07 | 重庆南雁实业集团龙剑机械制造有限公司 | Double-seal bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116292680A (en) | 2023-06-23 |
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