CN208565348U - A kind of dust-proof arrester - Google Patents
A kind of dust-proof arrester Download PDFInfo
- Publication number
- CN208565348U CN208565348U CN201821533010.1U CN201821533010U CN208565348U CN 208565348 U CN208565348 U CN 208565348U CN 201821533010 U CN201821533010 U CN 201821533010U CN 208565348 U CN208565348 U CN 208565348U
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- CN
- China
- Prior art keywords
- shell
- push
- push rod
- spring
- proof
- 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.)
- Expired - Fee Related
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- Diaphragms And Bellows (AREA)
- Sealing Devices (AREA)
Abstract
A kind of dust-proof arrester, including lid, shell, diaphragm and push-rod assembly, chaffy edge is set between lid and the flange of shell, lid and casing ledge are fixed by clamp, push-rod assembly includes push-plate, push rod and spring one, push-plate is equipped on the inside of diaphragm, push-plate is equipped with one end of push rod, the push rod other end connects push rod fork, spring one is set on push rod, hull outside is equipped with dirt-proof boot, groove is equipped in dirt-proof boot, lubricant layer is equipped in groove, push rod lower part is equipped with the retaining ring being placed in groove, retaining ring is connected by spring two with bottom portion of groove, sealing film is provided on spring two.A kind of obtained dust-proof arrester of the utility model, it is arranged on dirt-proof boot and push rod in hull outside and retaining ring is set, by the spring two for being provided with sealing film between retaining ring and dirt-proof boot bottom portion of groove, the structure that push rod and shell are seamlessly connected moves reciprocatingly, lubricant layer is arranged in groove can reduce the abrasion of retaining ring and dirt-proof boot, reduce use cost.
Description
Technical field
The utility model relates to automobile braking device technical field, especially a kind of dust-proof arrester.
Background technique
Brake chamber, also referred to as wheel cylinder, its effect machine that be by the pressure transition of compressed air, which be, rotates brake camshaft
Tool power realizes braking maneuver, and brake chamber is that clip clamps diaphragm type, and forward and backward brake chamber is of different sizes, but its structure is basic
Identical, it is made of air inlet, lid, diaphragm, supporting disk, return spring, shell, push rod, connecting fork, clamp and bolt etc..With
Domestic economy development, cargo vehicle yield constantly rises, and air-pressure brake is since brake response is fast, braking moment is big, maintenance side
Just etc. advantages, the use ratio on all kinds of cargo vehicles, car, bus constantly rise, and brake chamber is pneumatic brake
Important component, usage amount is also increasing, and therefore, whether brake chamber safe and reliable, will directly affect vehicle row
Sail safety.
It is equipped with push rod in current gas braking room housing, which stretches out outside shell, and push rod can be in shell
It moves axially, therefore there are gap between push rod and shell, dust easily enters shell from the gap, and the intracorporal dust of shell is not only made
At the carbon-free of gas arrester, it can also cause failure, therefore high failure rate, service life is short, and maintenance cost is high, general with anti-
The stroke of the push rod of the gas chamber of dirt set is all shorter, is unable to satisfy higher requirement, push rod and shell and is back and forth transporting through position
It is easily worn in dynamic.
Utility model content
In order to overcome the shortcomings of that existing arrester, the utility model provide a kind of dust-proof arrester.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of dust-proof arrester, including lid, shell
Chaffy edge, the lid and casing ledge is arranged in body, diaphragm and push-rod assembly between the lid and the flange of shell
Fixed by clamp, air inlet be provided on the lid, between the diaphragm and lid formed before gas chamber, the preceding gas chamber and
Air inlet connection, forms rear gas chamber between the diaphragm and shell, the rear gas chamber connects with atmosphere, the push-rod assembly setting
Between diaphragm and shell, the push-rod assembly includes push-plate, push rod and spring one, is provided with push-plate on the inside of the diaphragm, institute
One end that push rod is provided on push-plate is stated, the push rod other end passes through shell and is connected with push rod fork, and the spring one is set in
On push rod, the hull outside is provided with dirt-proof boot, and setting is fluted in the dirt-proof boot, and lubrication is provided in the groove
Layer, the push rod lower part are provided with the retaining ring being placed in groove, and the retaining ring is connected by spring two with bottom portion of groove, described
Sealing film is provided on spring two.
Another embodiment according to the present utility model further comprises being provided on push-plate edge for fixed spring one
The flanging of upper end.
Another embodiment according to the present utility model further comprises that housing bottom middle position is provided with for fixing
The spring pedestal of one lower end of spring.
Another embodiment according to the present utility model further comprises that housing bottom periphery is symmetrically arranged with for fixing
The installation bolt of arrester.
Another embodiment according to the present utility model further comprises that dirt-proof boot is fixed by welding in housing bottom.
It is annular groove that another embodiment according to the present utility model, which further comprises groove,.
It is toughness material that another embodiment according to the present utility model, which further comprises sealing membrane material,.
The beneficial effects of the utility model are: a kind of obtained dust-proof arrester of the utility model, sets in hull outside
It sets and retaining ring is set on dirt-proof boot and push rod, by being provided with the spring two of sealing film between retaining ring and dirt-proof boot bottom portion of groove,
The structure that push rod and shell are seamlessly connected moves reciprocatingly, and lubricant layer is arranged in groove can reduce retaining ring and prevent
The abrasion of dirt set, can effectively raise wear-resisting property, to improve the service performance of equipment, reduce use cost, pass through
The play of the effective limited spring one of flanging and spring pedestal on push-plate prevents spring one fixed unstable and arrester is caused to lose
Effect.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
1, lid in figure, 2, shell, 3, diaphragm, 4, clamp, 5, air inlet, 6, push-plate, 7, push rod, 8, spring one, 9, push away
Pike pole, 10, dirt-proof boot, 11, groove, 12, lubricant layer, 13, retaining ring, 14, spring two, 15, spring pedestal, 16, installation bolt.
Specific embodiment
If Fig. 1 is the structural schematic diagram of the utility model, a kind of dust-proof arrester, including lid 1, shell 2,3 and of diaphragm
Push-rod assembly, is provided with the edge of diaphragm 3 between the lid 1 and the flange of shell 2, the lid 1 and 2 flange of shell pass through
Clamp 4 is fixed, is provided with air inlet 5 on the lid 1, gas chamber before being formed between the diaphragm 3 and lid 1, the preceding gas chamber
It is connected with air inlet 5, forms rear gas chamber between the diaphragm 3 and shell 2, the rear gas chamber connects with atmosphere, the push rod group
Part is arranged between diaphragm 3 and shell 2, and 7 component of push rod includes push-plate 6, push rod 7 and spring 1,3 inside of diaphragm
It is provided with push-plate 6, one end of push rod 7 is provided on the push-plate 6,7 other end of push rod passes through shell 2 and is connected with push rod fork
9, the spring 1 is set on push rod 7, and dirt-proof boot 10 is provided on the outside of the shell 2, is provided in the dirt-proof boot 10 recessed
Slot 11 is provided with lubricant layer 12 in the groove 11, and 7 lower part of push rod is provided with the retaining ring 13 being placed in groove 11, institute
It states retaining ring 13 to connect by spring 2 14 with 11 bottom of groove, sealing film, the utility model institute is provided on the spring 2 14
A kind of obtained dust-proof arrester is arranged on dirt-proof boot 10 and push rod 7 on the outside of shell 2 and retaining ring 13 is arranged, passes through 13 He of retaining ring
It is provided with the spring 2 14 of sealing film between 11 bottom of groove of dirt-proof boot 10, push rod 7 and shell 2 are seamlessly connected
Structure move reciprocatingly, lubricant layer 12 is arranged in groove 11 can reduce the abrasion of retaining ring 13 and dirt-proof boot 10, can be effective
Improve wear-resisting property, to improve the service performance of equipment, reduce use cost.
The flanging for one 8 upper end of fixed spring is provided on 6 edge of push-plate, 2 bottom middle position of shell is provided with
For the spring pedestal 15 of one 8 lower end of fixed spring, pass through the flanging and the effective limited spring one of spring pedestal 15 on push-plate 6
8 play prevents spring 1 fixed unstable and arrester is caused to fail, and 2 bottom periphery of shell is symmetrically arranged with for fixed system
The installation bolt 16 of dynamic room, dirt-proof boot 10 are fixed by welding in 2 bottom of shell, and groove 11 is annular groove, and sealing membrane material is
Toughness material.
Working principle: when automobile brake, air enters brake chamber from air inlet 5, makes film under air pressure effect
Piece 3 is deformed, and drives push-plate 6 to push push rod 7, and drive braking adjusting arm, rolling brake cam, by Brake shoe lining pressure
Braking is generated to brake drum, in the process, spring 1 is compressed with the deformation of diaphragm 3, by push-plate 6
The play of flanging and the effective limited spring 1 of spring pedestal 15 limited can prevent spring 1 from, to contract, guaranteeing in deformation
Spring 1 will not generate dislocation, by the spring for being provided with sealing film between retaining ring 13 and 11 bottom of groove of dirt-proof boot 10
2 14, the structure that push rod 7 and shell 2 are seamlessly connected moves reciprocatingly, and lubricant layer 12 is arranged in groove 11 can
The abrasion for reducing retaining ring 13 and dirt-proof boot 10, can effectively raise wear-resisting property, to improve the service performance of equipment, drop
Low use cost, when automobile, which releases, to be braked, the compressed air in brake chamber arranges National People's Congress's gas through dual-chamber brake or quick release valve,
Diaphragm 3 and push rod 7 restore reset condition under the effect of spring 1.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait
Effect, but all will fall within the protection scope of the utility model.
Claims (7)
1. a kind of dust-proof arrester, including lid (1), shell (2), diaphragm (3) and push-rod assembly, the lid (1) and shell
(2) it is fixed by clamp (4) that the edge of diaphragm (3), the lid (1) and shell (2) flange are provided between flange, it is described
It is provided on lid (1) air inlet (5), gas chamber before being formed between the diaphragm (3) and lid (1), the preceding gas chamber and air inlet
Mouth (5) connection, forms rear gas chamber between the diaphragm (3) and shell (2), the rear gas chamber connects with atmosphere, the push rod group
Part is arranged between diaphragm (3) and shell (2), characterized in that push rod (7) component includes push-plate (6), push rod (7) and bullet
Spring one (8), diaphragm (3) inside are provided with push-plate (6), and one end of push rod (7) is provided on the push-plate (6), described to push away
Bar (7) other end passes through shell (2) and is connected with push rod fork (9), and the spring one (8) is set on push rod (7), the shell
(2) outside is provided with dirt-proof boot (10), and fluted (11) are arranged in the dirt-proof boot (10), is provided with profit in the groove (11)
Slip layer (12), push rod (7) lower part are provided with the retaining ring (13) being placed in groove (11), and the retaining ring (13) passes through spring
Two (14) are connected with groove (11) bottom, are provided with sealing film on the spring two (14).
2. a kind of dust-proof arrester according to claim 1, characterized in that be provided with and be used on push-plate (6) edge
The flanging of fixed spring one (8) upper end.
3. a kind of dust-proof arrester according to claim 1, characterized in that shell (2) the bottom middle position setting
There is the spring pedestal (15) for fixed spring one (8) lower end.
4. a kind of dust-proof arrester according to claim 1, characterized in that shell (2) bottom periphery is symmetrical arranged
There is the installation bolt (16) for fixing arrester.
5. a kind of dust-proof arrester according to claim 1, characterized in that the dirt-proof boot (10) is fixed by welding in
Shell (2) bottom.
6. a kind of dust-proof arrester according to claim 1, characterized in that the groove (11) is annular groove.
7. a kind of dust-proof arrester according to claim 1, characterized in that the sealing membrane material is toughness material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533010.1U CN208565348U (en) | 2018-09-19 | 2018-09-19 | A kind of dust-proof arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533010.1U CN208565348U (en) | 2018-09-19 | 2018-09-19 | A kind of dust-proof arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565348U true CN208565348U (en) | 2019-03-01 |
Family
ID=65451841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821533010.1U Expired - Fee Related CN208565348U (en) | 2018-09-19 | 2018-09-19 | A kind of dust-proof arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217567A (en) * | 2021-06-07 | 2021-08-06 | 南漳县鹏程汽车零部件有限责任公司 | Brake air chamber assembly for vehicle |
-
2018
- 2018-09-19 CN CN201821533010.1U patent/CN208565348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217567A (en) * | 2021-06-07 | 2021-08-06 | 南漳县鹏程汽车零部件有限责任公司 | Brake air chamber assembly for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210919 |