CN114623175B - Safety Guide Pin Structure for Automobile Brake - Google Patents
Safety Guide Pin Structure for Automobile Brake Download PDFInfo
- Publication number
- CN114623175B CN114623175B CN202111630656.8A CN202111630656A CN114623175B CN 114623175 B CN114623175 B CN 114623175B CN 202111630656 A CN202111630656 A CN 202111630656A CN 114623175 B CN114623175 B CN 114623175B
- Authority
- CN
- China
- Prior art keywords
- groove
- air inlet
- oil
- rod body
- ball
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000009736 wetting Methods 0.000 claims description 32
- 239000004519 grease Substances 0.000 claims description 23
- 230000001050 lubricating effect Effects 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims 2
- 239000003921 oil Substances 0.000 description 40
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to a safe guide pin structure for an automobile brake, which comprises a head and a rod body, wherein the head is provided with a threaded connecting groove, one side of the threaded connecting groove is provided with a first ventilation groove, the end surface of the head is provided with a second ventilation groove, the second ventilation groove extends to the threaded connecting groove and is communicated with the first ventilation groove, one side of the bottom end of the threaded connecting groove is provided with an air inlet groove, one end of the air inlet groove is communicated with the first ventilation groove, the other end of the air inlet groove extends into the rod body, the rear end of the rod body is provided with a ball groove, the upper end of the ball groove is in threaded connection with a fixing pin, the center of the fixing pin is penetrated with a ventilation hole, the bottom end of the ball groove is communicated with the air inlet groove, the side wall of the bottom end of the ball groove is in conical surface shrinkage arrangement, metal balls are arranged in the ball groove, when the metal balls are abutted against the inner wall of the ball groove in conical surface shrinkage, the sealing of the air inlet groove is realized, and when a vehicle runs normally, the vehicle vibrates to drive the metal balls to jump in the ball groove, so that the air pressure in a dustproof rubber sleeve can be balanced with the outside.
Description
Technical Field
The invention belongs to the technical field of automobile brakes, and particularly relates to a safe guide pin structure for an automobile brake.
Background
The automobile brake is an automobile part which is used for clamping a brake disc by virtue of a brake caliper to increase friction force so as to achieve a speed reduction effect, the brake caliper is arranged in a guide hole of a brake bracket through a guide pin, and the automobile brake caliper drives the guide pin to move in the guide hole. In order to increase the activity smoothness of the guide pin, the surface of the guide pin is required to be fully coated with lubricating grease, but because the space in the guide hole is limited, after the automobile brake is used for a long time, the lubricating grease on the guide pin is gradually consumed due to long-term friction work, the rest lubricating grease can be blackened and fattened due to heating and repeated extrusion, so that the lubricating effect is reduced, even the viscosity is generated, the rebound speed of the guide pin is easy to be slow, the eccentric wear of a brake block can be caused, the braking distance is prolonged and other safety problems are caused, and therefore, the oil is required to be cleaned regularly for maintenance, but because the disassembly and the installation of the guide pin are relatively complex, the automobile brake is easy to be ignored by maintenance staff, and potential safety hazards exist.
Disclosure of Invention
Aiming at the problems, the invention discloses a safe guide pin structure for an automobile brake, which solves the problems that lubricating grease on the guide pin of the automobile is easy to consume and needs to be cleaned and oiled regularly in the prior art.
The specific technical scheme is as follows:
the safe guide pin structure for the automobile brake comprises a head and a rod body, wherein the head is provided with a threaded connecting groove, one side of the threaded connecting groove is provided with a first ventilation groove, the end face of the head is provided with a second ventilation groove, the second ventilation groove extends to the threaded connecting groove and is communicated with the first ventilation groove, the edge of one side of the bottom end of the threaded connecting groove is provided with an air inlet groove, one end of the air inlet groove is communicated with the first ventilation groove, the other end of the air inlet groove extends into the rod body, the rear end of the rod body is provided with a ball groove, the upper end of the ball groove is in threaded connection with a fixing pin, the center of the fixing pin is provided with a ventilation hole in a penetrating way, the bottom end of the ball groove is communicated with the air inlet groove, the side wall of the bottom end of the ball groove is in conical surface shrinkage setting, and metal balls are arranged in the ball groove, and when the metal balls are abutted against the inner wall of the conical surface shrinkage of the ball groove, the sealing of the metal balls on the air inlet groove is realized;
the surface of the rod body is provided with a first oil wetting groove with an annular structure, at least two second oil wetting grooves are uniformly distributed on the rod body along the length direction of the rod body, the second oil wetting grooves extend to the front end of the rod body, the second lubricating oil groove is communicated with the first lubricating oil groove, the front end surface of the rod body is provided with a ring groove for accommodating the rubber sleeve, the depth of the ring groove is smaller than that of the second oil wetting groove, so that grease in the second oil wetting groove can flow to the front end of the rod body through the inner side of the rubber sleeve, the front end face of the rod body is provided with a mounting groove, the inner wall of the mounting groove is provided with internal threads, and a containing groove for storing lubricating grease is arranged at the center of one end of the mounting groove, the diameter of the containing groove is smaller than that of the mounting groove, a locating pin is connected in the mounting groove in a threaded manner, a locating column is arranged at one end of the locating pin, one end of the locating column is embedded into the accommodating groove, and one end of the positioning column is provided with a positioning groove, the side wall of the accommodating groove is provided with at least two oil outlet holes, one end of the oil outlet extends to the surface of the rod body and is positioned at the intersection of the first oil wetting groove and the second oil wetting groove, an air inlet channel is arranged at the center of one end of the accommodating groove, the inner wall of one end of the accommodating groove close to the air inlet channel is in conical surface shrinkage arrangement, a pusher is arranged in the accommodating groove, one end of the pusher, which is close to the air inlet channel, is in a spherical structure and is abutted against the inner wall of the accommodating groove, which is in conical surface shrinkage, the other end of the pusher is provided with a groove, and a sealing rubber sleeve is sleeved on the other end of the pusher, a through hole corresponding to the groove is arranged in the middle of the sealing rubber sleeve, a spring is arranged in the groove, and the other end of the spring is propped against the positioning groove of the positioning column, so that the spring supports the pusher; the utility model discloses a dustproof gum cover, including the body of rod, ball groove, air inlet channel, exhaust groove, air inlet channel, air outlet channel, air inlet channel one end extends to the body of rod rear end and is linked together with ball groove one side, two at least exhaust grooves have been seted up to evenly distributed on the body of rod surface along its length direction, exhaust groove one end extends to the body of rod rear end and is located the inboard of dustproof gum cover, and the exhaust groove other end extends to first oil groove, and the degree of depth of exhaust groove is less than the degree of depth of first oil groove, prevents that the lubricating grease straight flow in the first oil groove from going into the exhaust groove to avoid a large amount of lubricating grease to enter into in the dustproof gum cover through the exhaust groove.
Further, a sealing ring is sleeved on the side wall of the positioning column, and the outer wall of the sealing ring is tightly attached to the inner wall of the accommodating groove.
Further, the cross section of first oil groove and second oil groove is the arc structure, and the degree of depth of first oil groove and second oil groove equals.
Further, the material of the pusher is stainless steel.
Further, two annular protrusions are arranged on the outer wall of the sealing rubber sleeve, and the annular protrusions are tightly adhered to the inner wall of the accommodating groove.
Further, the diameter of the ball groove is larger than the diameters of the air inlet groove and the air inlet channel.
The beneficial effects of the invention are as follows:
(1) According to the invention, the lubricating grease is injected into the guide pin accommodating groove for storage, so that when the guide pin works, the dustproof rubber sleeve is compressed, and the air in the dustproof rubber sleeve pushes the pusher along the air inlet channel, so that the grease in the accommodating groove can flow into the first oil wetting groove and the second oil wetting groove through the oil outlet hole and then flow to the surface of the rod body, the lubrication effect of the guide pin is effectively improved, the service life of the guide pin is prolonged, and the maintenance time of the guide pin is prolonged.
(2) According to the invention, the exhaust groove is formed in the surface of the rod body, one end of the exhaust groove extends to the inner side of the dustproof rubber sleeve, so that when the air guide pin moves and compresses air in the guide hole, the air can flow into the dustproof rubber sleeve, and the phenomenon that lubricating grease in the accommodating groove cannot be discharged due to overlarge air pressure in the guide hole is avoided, and the depth of the exhaust groove is smaller than that of the first lubricating groove, so that the lubricating grease in the first lubricating groove is prevented from directly flowing into the exhaust groove, and the lubricating grease is prevented from entering the dustproof rubber sleeve through the exhaust groove.
(3) According to the invention, the metal balls are movably arranged in the ball grooves, when the dustproof rubber sleeve is compressed, the metal balls can seal the lower ends of the ball grooves under the action of gas, and when a vehicle normally runs, the vehicle vibrates to drive the metal balls to jump in the ball grooves, so that the air pressure in the dustproof rubber sleeve can be balanced with the outside.
Drawings
Fig. 1 is a schematic view of a mounting structure of a guide pin in the present invention.
Fig. 2 is a schematic structural view of a guide pin according to the present invention.
Fig. 3 is a front view of the head of the present invention.
Fig. 4 is an enlarged schematic view at a in fig. 1.
Fig. 5 is an enlarged schematic view at B in fig. 1.
Head 1, screw groove 11, first ventilation groove 111, second ventilation groove 112, air intake groove 113, rod body 2, ball groove 21, metal ball 211, fixing pin 212, ventilation hole 213, first oil groove 22, second oil groove 23, mounting groove 24, accommodation groove 25, oil outlet 251, positioning pin 26, positioning column 261, positioning groove 262, sealing ring 263, pusher 27, groove 271, sealing rubber sleeve 272, through hole 2721, annular protrusion 2722, spring 28, air intake channel 29, air exhaust groove 31, annular groove 32, rubber sleeve 33, guide hole 4, dust-proof rubber sleeve 5.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection mentioned in the invention is a common connection mode in the mechanical field, and the fixed connection can be realized by welding, bolt-nut connection and screw connection.
In the description of the invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-5, the safety guide pin structure for an automobile brake comprises a head 1 and a rod body 2, wherein the head 1 is provided with a threaded connection groove 11, one side of the threaded connection groove 11 is provided with a first ventilation groove 111, the end surface of the head 1 is provided with a second ventilation groove 112, the second ventilation groove 112 extends to the threaded connection groove 11 and is communicated with the first ventilation groove 111, the edge of one side of the bottom end of the threaded connection groove 11 is provided with an air inlet groove 113, one end of the air inlet groove 113 is communicated with the first ventilation groove 111, the other end of the air inlet groove 113 extends into the rod body 2, the rear end of the rod body 2 is provided with a ball groove 21, the upper end of the ball groove 21 is in threaded connection with a fixing pin 212, the center of the fixing pin 212 is provided with a ventilation hole 213 in a penetrating way, the bottom end of the ball groove 21 is communicated with the air inlet groove 113, the bottom end side wall of the ball groove 21 is in a conical surface shrinkage arrangement, a metal ball 211 is arranged in the ball groove 21, and when the metal ball 211 abuts against the inner wall of the ball groove 21 in the conical surface shrinkage, the sealing of the air inlet groove 113 is realized;
the surface of the rod body 2 is provided with a first oil wetting groove 22 with an annular structure, at least two second oil wetting grooves 23 are uniformly distributed on the rod body 2 along the length direction of the rod body, the second oil wetting grooves 23 extend to the front end of the rod body 2, the second oil wetting grooves 23 are communicated with the first oil wetting grooves 22, the front end surface of the rod body 2 is provided with an annular groove 32 for accommodating a rubber sleeve 33, the depth of the annular groove 32 is smaller than that of the second oil wetting grooves 23, so that grease in the second oil wetting grooves 23 can flow to the front end of the rod body 2 through the inner side of the rubber sleeve 33, the front end face of the rod body 2 is provided with a mounting groove 24, the inner wall of the mounting groove 24 is provided with internal threads, the center of one end of the mounting groove 24 is provided with an accommodating groove 25 for storing lubricating grease, the diameter of the accommodating groove 25 is smaller than that of the mounting groove 24, the mounting groove 24 is internally provided with a positioning pin 26, the positioning pin 26 has a positioning column 261 at one end, the positioning column 261 has a positioning groove 262 embedded in the accommodating groove 25 at one end, the accommodating groove 25 has at least two oil outlets 251 on its side wall, one end of the oil outlet 251 extends to the surface of the rod 2 and is located at the intersection of the first oil wetting groove 22 and the second oil wetting groove 23, the center of one end of the accommodating groove 25 has an air inlet channel 29, the inner wall of the accommodating groove 25 near the air inlet channel 29 has a conical surface shrinkage, the accommodating groove 25 has a pusher 27, one end of the pusher 27 near the air inlet channel 29 has a spherical structure and abuts against the inner wall of the accommodating groove 25 having a conical surface shrinkage, the other end of the pusher 27 has a groove 271, the other end of the pusher 27 has a sealing rubber sleeve 272, the middle of the sealing rubber sleeve 272 has a through hole 2721 corresponding to the groove 271, a spring 28 is arranged in the groove 271, and the other end of the spring 28 is propped against the positioning groove 262 of the positioning column 261, so that the spring 28 supports the pusher 27; the air inlet channel 29 one end extends to body of rod 2 rear end and is linked together with ball groove 21 one side, body of rod 2 surface has evenly distributed offered two at least exhaust groove 31 along its length direction, exhaust groove 31 one end extends to body of rod 2 rear end and is located the inboard of dustproof gum cover 5, and the exhaust groove 31 other end extends to first oil groove 22, and the degree of depth of exhaust groove 31 is less than the degree of depth of first oil groove 22, prevents that the lubricating grease straight flow in the first oil groove from going into exhaust groove 31 to avoid a large amount of lubricating grease to enter into in the dustproof gum cover 5 through exhaust groove 31.
Further, a sealing ring 263 is sleeved on the side wall of the positioning column 261, and the outer wall of the sealing ring 263 is closely attached to the inner wall of the accommodating groove 25.
Further, the sections of the first oil-wetting groove 22 and the second oil-wetting groove 23 are arc structures, and the depths of the first oil-wetting groove 22 and the second oil-wetting groove 23 are equal.
Further, the material of the pusher 27 is stainless steel.
Further, two annular protrusions 2722 are disposed on the outer wall of the sealing gum cover 272, and the annular protrusions 2722 are closely attached to the inner wall of the accommodating groove 25.
Further, the diameter of the ball grooves 21 is larger than the diameters of the air intake grooves 113 and the air intake passages 29.
Working principle: by injecting lubricating grease into the guide pin accommodating groove 25 for storage, when the guide pin works, the dustproof rubber sleeve 5 is compressed, so that air in the dustproof rubber sleeve 5 pushes the pusher 27 along the air inlet channel 29, and the grease in the accommodating groove 25 can flow into the first oil wetting groove 22 and the second oil wetting groove 23 through the oil outlet 251 and then flow to the surface of the rod body 2.
The exhaust groove 31 is formed in the surface of the rod body 2, one end of the exhaust groove 31 extends to the inner side of the dustproof rubber sleeve 5, when the air guide pin moves and compresses air in the guide hole 4, the air can flow into the dustproof rubber sleeve 5, the phenomenon that lubricating grease in the accommodating groove 25 cannot be discharged due to overlarge air pressure in the guide hole 4 is avoided, the depth of the exhaust groove 31 is smaller than that of the first lubricating groove 22, and the lubricating grease in the first lubricating groove is prevented from directly flowing into the exhaust groove 31.
Through setting up metal ball 211 in ball groove 21 activity, when the compression, metal ball 211 can seal ball groove 21 lower extreme under the gaseous effect in dustproof gum cover 5, and when the vehicle normally went, vehicle vibration can drive metal ball 211 and beat in ball groove 21 for the atmospheric pressure in the dustproof gum cover 5 can keep balance with the external world.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. The safe guide pin structure for the automobile brake comprises a head and a rod body, wherein the head is provided with a threaded connecting groove, one side of the threaded connecting groove is provided with a first ventilation groove, the end face of the head is provided with a second ventilation groove, the second ventilation groove extends to the threaded connecting groove and is communicated with the first ventilation groove, the edge of one side of the bottom end of the threaded connecting groove is provided with an air inlet groove, one end of the air inlet groove is communicated with the first ventilation groove, the other end of the air inlet groove extends into the rod body, the rear end of the rod body is provided with a ball groove, the upper end of the ball groove is in threaded connection with a fixing pin, the center of the fixing pin is penetrated and provided with a vent hole, the bottom end of the ball groove is communicated with the air inlet groove, the side wall of the bottom end of the ball groove is in conical surface shrinkage setting, metal balls are arranged in the ball groove, and when the metal balls lean against the inner wall of the ball groove in conical surface shrinkage, the sealing of the metal balls on the air inlet groove is realized;
the surface of the rod body is provided with a first oil wetting groove with an annular structure, at least two second oil wetting grooves are uniformly distributed on the rod body along the length direction of the rod body, the second oil wetting grooves extend to the front end of the rod body and are communicated with the first oil wetting grooves, the surface of the front end of the rod body is provided with an annular groove for accommodating a rubber sleeve, the depth of the annular groove is smaller than that of the second oil wetting groove, grease in the second oil wetting grooves can flow to the front end of the rod body through the inner side of the rubber sleeve, the end face of the front end of the rod body is provided with a mounting groove, the inner wall of the mounting groove is provided with an inner thread, the center of one end of the mounting groove is provided with a containing groove for storing lubricating grease, the diameter of the containing groove is smaller than the diameter of the mounting groove, the mounting groove is in threaded connection with a positioning pin, one end of the positioning pin is provided with a positioning column, the positioning column is characterized in that one end of the positioning column is embedded into the accommodating groove, a positioning groove is formed in one end of the positioning column, at least two oil outlets are formed in the side wall of the accommodating groove, one end of each oil outlet extends to the surface of the rod body and is located at the intersection of the first oil wetting groove and the second oil wetting groove, an air inlet channel is formed in the center of one end of the accommodating groove, one end of the accommodating groove is in conical surface shrinkage arrangement near the inner wall of the air inlet channel, a pusher is arranged in the accommodating groove, one end of the pusher, which is close to the air inlet channel, is in a spherical surface structure and abuts against the inner wall of the accommodating groove in conical surface shrinkage, a groove is formed in the other end of the pusher, a sealing rubber sleeve is sleeved on the other end of the pusher, a through hole corresponding to the groove is formed in the middle of the sealing rubber sleeve, a spring is arranged in the groove, and the other end of the spring abuts against the positioning groove of the positioning column, so that the pusher is supported by the spring; the utility model discloses a ball groove, including ball groove, air inlet channel, exhaust groove, dust proof gum cover, air inlet channel one end extends to body of rod rear end and is linked together with ball groove one side, two at least exhaust grooves have been seted up to body of rod surface along its length direction evenly distributed on, exhaust groove one end extends to body of rod rear end and is located the inboard of dust proof gum cover, and the exhaust groove other end extends to first oil groove, and the degree of depth of exhaust groove is less than the degree of depth of first oil groove.
2. The safety guide pin structure for the automobile brake of claim 1, wherein the side wall of the positioning column is sleeved with a sealing ring, and the outer wall of the sealing ring is tightly attached to the inner wall of the accommodating groove.
3. The safety guide pin structure for an automotive brake of claim 1, wherein the first oil groove and the second oil groove are arc-shaped in cross section, and the depths of the first oil groove and the second oil groove are equal.
4. The safety guide pin structure for an automotive brake of claim 1, wherein the pusher is made of stainless steel.
5. The safety guide pin structure for the automobile brake according to claim 1, wherein two annular protrusions are arranged on the outer wall of the sealing rubber sleeve, and the annular protrusions are closely attached to the inner wall of the accommodating groove.
6. The safety guide pin structure for an automotive brake of claim 1, wherein the ball grooves have a diameter larger than the diameters of the air inlet grooves and the air inlet passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630656.8A CN114623175B (en) | 2021-12-28 | 2021-12-28 | Safety Guide Pin Structure for Automobile Brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111630656.8A CN114623175B (en) | 2021-12-28 | 2021-12-28 | Safety Guide Pin Structure for Automobile Brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114623175A CN114623175A (en) | 2022-06-14 |
| CN114623175B true CN114623175B (en) | 2023-09-01 |
Family
ID=81899081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111630656.8A Active CN114623175B (en) | 2021-12-28 | 2021-12-28 | Safety Guide Pin Structure for Automobile Brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623175B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683051B (en) * | 2022-02-16 | 2023-03-17 | 镇江福斯特汽车零部件有限公司 | Processing complete equipment applied to preparation of automobile brake guide pin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3525789A (en) * | 1988-07-01 | 1990-01-04 | Stubbersfield, Beryl Grace | Brake shaft bushes |
| JP6085388B1 (en) * | 2015-12-30 | 2017-02-22 | 上銀科技股▲フン▼有限公司 | Ball screw with maintenance device |
| JP2017110775A (en) * | 2015-12-18 | 2017-06-22 | 曙ブレーキ工業株式会社 | Wheel cylinder and drum brake device |
| CN108644257A (en) * | 2018-05-17 | 2018-10-12 | 浙江万安科技股份有限公司 | A kind of holder breakaway-element fixed guide pin fission brake of wheel hub motor |
| CN212717724U (en) * | 2020-07-14 | 2021-03-16 | 浙江汇丰汽车零部件股份有限公司 | Guide pin for automobile brake calipers |
-
2021
- 2021-12-28 CN CN202111630656.8A patent/CN114623175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3525789A (en) * | 1988-07-01 | 1990-01-04 | Stubbersfield, Beryl Grace | Brake shaft bushes |
| JP2017110775A (en) * | 2015-12-18 | 2017-06-22 | 曙ブレーキ工業株式会社 | Wheel cylinder and drum brake device |
| JP6085388B1 (en) * | 2015-12-30 | 2017-02-22 | 上銀科技股▲フン▼有限公司 | Ball screw with maintenance device |
| CN108644257A (en) * | 2018-05-17 | 2018-10-12 | 浙江万安科技股份有限公司 | A kind of holder breakaway-element fixed guide pin fission brake of wheel hub motor |
| CN212717724U (en) * | 2020-07-14 | 2021-03-16 | 浙江汇丰汽车零部件股份有限公司 | Guide pin for automobile brake calipers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114623175A (en) | 2022-06-14 |
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