CN109838479A - A kind of guide pin chamber sealing mechanism - Google Patents
A kind of guide pin chamber sealing mechanism Download PDFInfo
- Publication number
- CN109838479A CN109838479A CN201711222606.XA CN201711222606A CN109838479A CN 109838479 A CN109838479 A CN 109838479A CN 201711222606 A CN201711222606 A CN 201711222606A CN 109838479 A CN109838479 A CN 109838479A
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- China
- Prior art keywords
- guide pin
- dust cap
- sealing
- sealing mechanism
- pin chamber
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- 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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Abstract
The invention discloses a kind of guide pin chamber sealing mechanisms, including braking clamp body, dustproof cover, guide pin, screw, dust cap, sealing ring, brake holder, plastic gasket and bushing, the dust cap is equipped with lip, the braking clamp body is axially moveable by bushing, guide pin, screw and brake holder and floating connection, and the dustproof cover, dust cap, sealing ring and plastic gasket guarantee the leakproofness of floating connection mechanism；The ingenious rational deployment of the present invention, it is appropriate to increase structure improvement and parts design, mechanism sealing effect is reached with lesser process design optimization, ensure that the work of guide pin chamber is durable.
Description
Technical field
The present invention relates to vehicle brake field more particularly to a kind of disk brake guide pin chamber sealing mechanisms.
Technical background
Disk brake be floating type sliding pin structure, in use, braking clamp body can with brake pad wear and
Relative brake bracket slide, thus slide whether it is smooth directly affect brake performance, as guide pin chamber leakproofness without
Method guarantees, may cause brake lining and dawdles or brake lag, this all will seriously affect the performance of brake performance.
There are grease and the effect of dust cap frizing lip in entire guide pin chamber mechanism, to a certain extent will between guide pin and bushing
The isolation of guide pin chamber becomes two spaces, can change along with pressure difference in braking clamp body sliding process, slides and generates to guide pin
Side effect, if pressure difference reaches a certain level, the impact of generation will directly affect sleeve mechanism leakproofness, meeting under suction function
Inner cavity is promoted to infilter sundries.
Guide pin rigidly fixes brake holder by screw-driving, in the case that brake provides larger brake force, braking
Bracket can generate certain deformation, and the interaction of deformation, which may result in, rigidly fixes location dislocation crack, there is sealing and lose
Imitate risk.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art insufficient, a kind of guide pin chamber sealing mechanism is provided, it is ingenious reasonable
Layout, it is appropriate to increase structure improvement and parts design, mechanism sealing effect is reached with lesser process design optimization, ensure that
The work of guide pin chamber is durable.
The object of the present invention is achieved like this: a kind of guide pin chamber sealing mechanism, including braking clamp body, dustproof cover, guide pin,
Screw, dust cap, sealing ring, brake holder, plastic gasket and bushing, the dust cap are equipped with lip, and the braking clamp body is logical
Bushing, guide pin are crossed, screw and brake holder are axially moveable and floating connection, the dustproof cover, dust cap, sealing ring and plastics
Liner guarantees the leakproofness of floating connection mechanism.
As further limitation ground of the invention, the side of the guide pin is equipped with hole slot and through-hole, is additionally provided with end face ring grain,
The hole slot and through-hole constitute entire guide pin mechanism inner cavity communicating passage.
As further limitation ground of the invention, the side of the guide pin is equipped with hole slot and through-hole, is additionally provided with end face ring grain,
The hole slot and through-hole constitute the entire in-house communicating passage of guide pin.
As further limitation ground of the invention, the sealing ring is equipped with ring grain or sealing structure.
As further limitation ground of the invention, the guide pin and brake holder contact position, the ring being equipped with by sealing ring
The end face ring grain of line or guide pin completes sealing.
As further limitation ground of the invention, the dust cap sealing compresses and braking clamp body, what the dust cap was equipped with
Lip interference is in guide pin.
As further limitation ground of the invention, the lip guarantees guide pin pivoting and slides axially and scrape worry guide pin,
The surface lubrication grease in sliding process avoids oil and fat accumulation in the dust cap chamber.
As further limitation ground of the invention, the dust cap and guide pin head interference seal, the plastic gasket limit
Engage dust cap.
As further limitation ground of the invention, the dustproof cover press fitting seals guide pin chamber in braking clamp body.
The invention has the following advantages:
1, guide pin chamber sealing mechanism passes through the reasonable cooperation of dust cap and guide pin and braking clamp body and dustproof cover and plastic gasket
With the use of screw, the leakproofness of guide pin chamber, the application of guide pin hole slot and through-hole ensure that, it is ensured that the perforation of guide pin chamber
Property, the design for sealing ring grain and guide pin end face ring guarantees being fully sealed for entire mechanism；
2, the guide pin chamber after penetrating through can avoid the chamber pressure impact generated by braking clamp body sliding, keep sealing mechanism more stable,
Chamber pressure is dredged, also alleviates the pressure of grease between guide pin and bushing gap, it is anti-that decrease grease crosses the entrance of dust cap lip
The trend of dirt cap chamber protects rubber dust-proof cap durability；
3, the application of sealing ring or guide pin end face sealing ring has filled up mechanism sealing blind area, has supplemented rigid seal disadvantage, especially
Under high-intensitive damped condition, entire mechanism sealing will be consolidated more.It is reached with lesser design change and lower cost input
To existing deficiency of problems is solved, it ensure that the durable usability of product and ingenious rational deployment suitably increase structure improvement
And parts design, lesser process design optimization reaches mechanism sealing effect, ensure that the work of guide pin chamber is durable；
4, the connectivity for guaranteeing entire guide pin chamber will largely weaken the compression shock generated by sliding, reduce failure
Risk.In addition, need to be improved after the perforation of guide pin chamber with the rigid seal of bracket contact position, using increase plastics ring grain or lead
The designs such as pin end face rigidity ring grain can increase this position seals.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, it is described below by way of attached drawing
The embodiment of the present invention；It should be evident that following attached drawings is only some embodiments of the present invention, for ordinary skill
For personnel, without any creative labor, it can also be obtained according to these attached drawings other attached drawings.
Guide pin chamber sealing mechanism view Fig. 1 of the invention；
The local partial view of Fig. 2 guide pin chamber sealing mechanism；
The guide pin and brake holder position partial enlarged view of Fig. 3 guide pin chamber sealing mechanism；
The sealing panoramic view of Fig. 4 guide pin chamber sealing mechanism；
Same structure element indicates identical reference label, 1, braking clamp body in the accompanying drawings；2, dustproof cover；3, guide pin；31, hole
Slot；32, through-hole；33, end face ring grain；4, screw；5, dust cover；51, lip；6, sealing ring；61, ring grain；7, brake holder；8,
Plastic gasket；9, bushing.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in present example is carried out clearly and completely
Description, it is clear that described embodiment is only a part of the embodiments of the present invention, it is not limited to these embodiments.
As shown in Figure 1, the present invention provides a kind of guide pin chamber sealing mechanism, including braking clamp body 1, dustproof cover 2, guide pin 3,
Screw 4, dust cap 5, sealing ring 6, brake holder 7, plastic gasket 8 and bushing 9, the dust cap 5 are equipped with lip 51, the system
Moving caliper 1 can axially move by the bushing 9, guide pin 4 and screw 4 and 7 floating connection of brake holder；It is described dust-proof
Lid 2, dust cap 5, sealing ring 6 and plastic gasket 8 guarantee the leakproofness of floating connection mechanism.
As shown in Figures 1 to 4, the guide pin 3 includes the hole slot 31, through-hole 32 and end face ring grain 33 for being located at side, described
Hole slot 31 and through-hole 32 constitute entire guide pin mechanism inner cavity communicating passage；The sealing ring 6 is equipped with ring grain 61 or other salable
Structure；The end face ring grain that the ring grain 61 or guide pin 3 that the guide pin 3 and 7 contact position of brake holder are equipped with by sealing ring 6 are equipped with
33 complete sealing.
Further, as shown in Fig. 2, the sealing of the dust cap 5 is compressed with braking clamp body 1, the lip 51 that dust cap 5 is equipped with
In guide pin 3, the lip 51 can guarantee 3 pivoting of guide pin and slide axially for interference, and scrapes and consider guide pin 3, in sliding process
Surface lubrication grease avoids oil and fat accumulation in 3 chamber of dust cap.
Further, as shown in Figure 1, the dust cap 3 and 3 head interference seal of guide pin, 8 limiting card of plastic gasket
Only dust cap 3；The press fitting of dustproof cover 2 seals guide pin chamber in the braking clamp body 1.
The invention has the following advantages that
1, guide pin chamber sealing mechanism passes through the reasonable cooperation of dust cap and guide pin and braking clamp body and dustproof cover and plastic gasket
With the use of screw, the leakproofness of guide pin chamber, the application of guide pin hole slot and through-hole ensure that, it is ensured that the perforation of guide pin chamber
Property, the design for sealing ring grain and guide pin end face ring guarantees being fully sealed for entire mechanism；
2, the guide pin chamber after penetrating through can avoid the chamber pressure impact generated by braking clamp body sliding, keep sealing mechanism more stable,
Chamber pressure is dredged, also alleviates the pressure of grease between guide pin and bushing gap, it is anti-that decrease grease crosses the entrance of dust cap lip
The trend of dirt cap chamber protects rubber dust-proof cap durability；
3, the application of sealing ring or guide pin end face sealing ring has filled up mechanism sealing blind area, has supplemented rigid seal disadvantage, especially
Under high-intensitive damped condition, entire mechanism sealing will be consolidated more.It is reached with lesser design change and lower cost input
To existing deficiency of problems is solved, it ensure that the durable usability of product and ingenious rational deployment suitably increase structure improvement
And parts design, lesser process design optimization reaches mechanism sealing effect, ensure that the work of guide pin chamber is durable.
4, the connectivity for guaranteeing entire guide pin chamber will largely weaken the compression shock generated by sliding, reduce
Failure risk.In addition, need to be improved after the perforation of guide pin chamber with the rigid seal of bracket contact position, using increase plastics ring grain
Or the designs such as guide pin end face rigidity ring grain can increase this position seals.
In conclusion the guide pin chamber sealing mechanism, is adjusted by optimization structure and design, ensure that the leakproofness of guide pin chamber
Guide pin cavity space is penetrated through simultaneously, so that mechanism is not in that the stronger positive/negative pressure of impact is poor.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Those skilled in the art can understand the contents of the present invention and implements accordingly, and protection of the invention can not be limited with this
Range.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of guide pin chamber sealing mechanism, it is characterised in that: including braking clamp body, dustproof cover, guide pin, screw, dust cap, sealing
Ring, brake holder, plastic gasket and bushing, the dust cap are equipped with lip, and the braking clamp body passes through bushing, guide pin, screw
It is axially moveable with brake holder and floating connection, the dustproof cover, dust cap, sealing ring and plastic gasket guarantees floating connection
The leakproofness of mechanism.
2. guide pin chamber sealing mechanism according to claim 1, it is characterised in that: the side of the guide pin is equipped with hole slot and leads to
Hole, is additionally provided with end face ring grain, and the hole slot and through-hole constitute the entire in-house communicating passage of guide pin.
3. guide pin chamber sealing mechanism according to claim 1, it is characterised in that: the sealing ring is equipped with ring grain or sealing knot
Structure.
4. guide pin chamber sealing mechanism according to claim 1 or 2, it is characterised in that: the guide pin and brake holder contact
The end face ring grain of position, the ring grain being equipped with by sealing ring or guide pin completes sealing.
5. guide pin chamber sealing mechanism according to claim 1, it is characterised in that: the dust cap sealing compresses and caliper
Body, the lip interference that the dust cap is equipped with is in guide pin.
6. guide pin chamber sealing mechanism according to claim 5, it is characterised in that: the lip guarantee guide pin pivoting and
It slides axially and scrapes worry guide pin, the surface lubrication grease in sliding process avoids oil and fat accumulation in the dust cap chamber.
7. guide pin chamber sealing mechanism according to claim 1, it is characterised in that: the dust cap and the interference of guide pin head are close
Envelope, the plastic gasket limit locking dust cap.
8. guide pin chamber sealing mechanism according to claim 1, it is characterised in that: the dust-proof press fitting is close in braking clamp body
Seal guide pin chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222606.XA CN109838479A (en) | 2017-11-29 | 2017-11-29 | A kind of guide pin chamber sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222606.XA CN109838479A (en) | 2017-11-29 | 2017-11-29 | A kind of guide pin chamber sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838479A true CN109838479A (en) | 2019-06-04 |
Family
ID=66881675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222606.XA Pending CN109838479A (en) | 2017-11-29 | 2017-11-29 | A kind of guide pin chamber sealing mechanism |
Country Status (1)
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| CN (1) | CN109838479A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321218A (en) * | 2020-09-29 | 2022-04-12 | 比亚迪股份有限公司 | Disc brake and vehicle with same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1563405A (en) * | 1976-10-08 | 1980-03-26 | Gen Motors France | Disc brake caliper assembly |
| US4446947A (en) * | 1980-03-14 | 1984-05-08 | Societe Anonyme Dba | Sliding caliper disc brake |
| US4662484A (en) * | 1984-05-10 | 1987-05-05 | Aisin Seiki Kabushiki Kaisha | Pin boot protector in disc brake assembly |
| US5086886A (en) * | 1989-01-28 | 1992-02-11 | General Motors France | Disc brake and cap seal therefor |
| JPH10157620A (en) * | 1996-12-02 | 1998-06-16 | Akebono Brake Ind Co Ltd | Brake shoe mounting structure of disc brake |
| CN1239196A (en) * | 1994-10-24 | 1999-12-22 | 哈尔德克斯制动产品股份公司 | Brake application mechanism for disc brake caliper |
| CN1789749A (en) * | 2004-12-13 | 2006-06-21 | 杨位本 | Caliper disc brake |
| US20090260928A1 (en) * | 2006-10-24 | 2009-10-22 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Disc Brake, In Particular for a Utility Vehicle |
| CN202883829U (en) * | 2012-11-16 | 2013-04-17 | 温州市佳本机车零部件有限公司 | Hydraulic disc type brake |
| CN106641032A (en) * | 2017-02-27 | 2017-05-10 | 江苏恒力制动器制造有限公司 | Guide pin mechanism of disc brake |
-
2017
- 2017-11-29 CN CN201711222606.XA patent/CN109838479A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1563405A (en) * | 1976-10-08 | 1980-03-26 | Gen Motors France | Disc brake caliper assembly |
| US4446947A (en) * | 1980-03-14 | 1984-05-08 | Societe Anonyme Dba | Sliding caliper disc brake |
| US4662484A (en) * | 1984-05-10 | 1987-05-05 | Aisin Seiki Kabushiki Kaisha | Pin boot protector in disc brake assembly |
| US5086886A (en) * | 1989-01-28 | 1992-02-11 | General Motors France | Disc brake and cap seal therefor |
| GB2227530B (en) * | 1989-01-28 | 1992-10-28 | Gen Motors France | Disc brake |
| CN1239196A (en) * | 1994-10-24 | 1999-12-22 | 哈尔德克斯制动产品股份公司 | Brake application mechanism for disc brake caliper |
| JPH10157620A (en) * | 1996-12-02 | 1998-06-16 | Akebono Brake Ind Co Ltd | Brake shoe mounting structure of disc brake |
| CN1789749A (en) * | 2004-12-13 | 2006-06-21 | 杨位本 | Caliper disc brake |
| US20090260928A1 (en) * | 2006-10-24 | 2009-10-22 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Disc Brake, In Particular for a Utility Vehicle |
| CN202883829U (en) * | 2012-11-16 | 2013-04-17 | 温州市佳本机车零部件有限公司 | Hydraulic disc type brake |
| CN106641032A (en) * | 2017-02-27 | 2017-05-10 | 江苏恒力制动器制造有限公司 | Guide pin mechanism of disc brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321218A (en) * | 2020-09-29 | 2022-04-12 | 比亚迪股份有限公司 | Disc brake and vehicle with same |
| CN114321218B (en) * | 2020-09-29 | 2023-10-17 | 比亚迪股份有限公司 | Disc brake and vehicle with same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190604 |
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| RJ01 | Rejection of invention patent application after publication |