CN203176229U - Disc brake with friction plate of three-jaw spring structure - Google Patents
Disc brake with friction plate of three-jaw spring structure Download PDFInfo
- Publication number
- CN203176229U CN203176229U CN 201320085368 CN201320085368U CN203176229U CN 203176229 U CN203176229 U CN 203176229U CN 201320085368 CN201320085368 CN 201320085368 CN 201320085368 U CN201320085368 U CN 201320085368U CN 203176229 U CN203176229 U CN 203176229U
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- piston
- friction plate
- main part
- latch springs
- disk type
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Abstract
The utility model provides a disc brake with a friction plate of a three-jaw spring structure. The disc brake comprises a brake shell provided with a piston cavity, a piston arranged in the piston cavity, and the piston side friction plate fixed with a piston opening of the piston through a three-jaw spring. By means of the disc brake, the friction plate can return to the position automatically, reduction of noise is benefited, and abrasion of the friction plate is reduced.
Description
Technical field
The utility model relates to the break technology, relates in particular to a kind of disk type braker that adopts friction plate three-jaw spring structure.
Background technique
Brake calipers is a kind of braking device commonly used.Brake calipers structure and working principle common in the prior art are as follows: the support of brake calipers is by being bolted on the knuckle, and the housing of brake calipers is radially fixing by the guide structure of brake calipers, and axially can relative slip take place along guide finger and support; Piston promotes the piston side friction plate under the effect of retardation pressure, make the piston side friction plate be pressed against on the brake disc, and the caliper shell of retardation pressure promotion simultaneously moves along guide finger, makes fist side friction plate also be pressed against on the brake disc; So the brake disc both sides are clamped and are braked by piston side friction plate and fist side friction plate respectively, and brake disc and hub for vehicle wheel tighten together, so wheel also just stops operating.
In the prior art, when retardation pressure was eliminated, friction plate was normally because the rotation of brake disc and passive return, and noise is bigger, and the wearing and tearing of friction plate are bigger.
The model utility content
The technical problems to be solved in the utility model provides a kind of disk type braker that adopts friction plate three-jaw spring structure, can make to be conducive to reduce noise by initiatively return of friction plate, reduces friction disc wear.
For solving the problems of the technologies described above, the utility model provides a kind of disk type braker that adopts friction plate three-jaw spring structure, comprising:
Brake casing, described brake casing has piston cavity;
Piston is arranged in the described piston cavity;
The piston side friction plate is fixed by the piston mouth of three latch springs and described piston.
According to an embodiment of the present utility model, described three latch springs comprise:
Main part;
3 spring detents that stretch out from the edge of described main part.
According to an embodiment of the present utility model, 3 spring detents of described three latch springs are all towards deviating from the direction bending of described main part.
According to an embodiment of the present utility model, ecto-entad is respectively arranged with piston inner hole inner edge and the piston inner hole flange of the described piston mouth of ring in the piston mouth of described piston, the bearing of trend of described piston inner hole inner edge and piston inner hole flange is parallel to each other, the main part of described three latch springs is fixedlyed connected with described piston side friction plate, one of them spring detent of described three latch springs is hooked on the described piston inner hole inner edge, and two other spring detent of described three latch springs is hooked on the described piston inner hole flange.
According to an embodiment of the present utility model, the main part of described three latch springs and the riveted joint of described piston side friction plate.
According to an embodiment of the present utility model, 3 spring detents of described three latch springs are all towards the direction bending of pointing to described main part.
According to an embodiment of the present utility model, one of them court of 3 spring detents of described three latch springs deviates from the direction bending of described main part, and two other is towards the direction bending of pointing to described main part.
According to an embodiment of the present utility model, described disk type braker also comprises fist side friction plate, and described fist side friction plate is fixed by the fist side of three latch springs and described brake casing.
According to an embodiment of the present utility model, the fist side of described brake casing has bayonet socket, described three latch springs comprise main part and 3 spring detents stretching out of the edge of this main part certainly, described main part is fixedlyed connected with described fist side friction plate, and 3 spring detents of described three latch springs are connected in the bayonet socket of described brake casing fist side.
According to an embodiment of the present utility model, seal ring is fixedly arranged on the outer wall of described piston, have groove on the inwall of described piston cavity, described seal ring is placed in the described groove.
Compared with prior art, the utlity model has following advantage:
In the utility model embodiment's the disk type braker, the piston side friction plate fixes by three latch springs and piston mouth, and when the piston return, the piston side friction plate can be conducive to the wearing and tearing that reduce noise and reduce the piston side friction plate with piston active return in the lump.In addition, fist side friction plate also can be fixed by the fist side of three latch springs and brake casing, thereby makes fist side friction plate with brake casing return in the lump.
Further, on the outer wall of piston seal ring can be arranged fixedly, have groove on the corresponding position of piston cavity inwall, the sealing circle is contained in this groove, and in when braking, piston is pushed and makes seal ring generation elastic strain; When the cancellation braking, piston is got back to original position thereby seal ring recovers the original-shape drive, and then piston drives initiatively return of piston side friction plate.
Description of drawings
Fig. 1 is the linkage structure schematic representation of piston and piston side friction plate in the utility model embodiment's the disk type braker;
Fig. 2 is the structural representation that is used for three latch springs of connection piston side friction plate among the utility model embodiment;
Fig. 3 is the linkage structure schematic representation of piston side friction plate and three latch springs among the utility model embodiment;
Fig. 4 is the structure of piston schematic representation of the utility model embodiment's disk type braker;
Fig. 5 is the structural representation of the utility model embodiment's disk type braker;
Fig. 6 is the structural representation that is used for three latch springs of connection fist side friction plate among the utility model embodiment;
Fig. 7 is the linkage structure schematic representation of fist side friction plate and three latch springs among the utility model embodiment;
Fig. 8 is the structural representation of brake shell of the utility model embodiment's disk type braker;
Fig. 9 is the utility model embodiment's the cross-sectional view of disk type braker under non-braking state;
Figure 10 is the utility model embodiment's the cross-sectional view of disk type braker under braking state;
Figure 11 is the structural representation of three latch springs among another embodiment of the utility model.
Embodiment
In the prior art, after retardation pressure was eliminated, friction plate (comprising piston side friction plate and fist side friction plate) caused noise bigger, and can increase the weight of the wearing and tearing of friction plate normally because of the passive return of rotation of brake disc.
Disk type braker among the utility model embodiment comprises: brake casing, the piston side friction plate that is arranged on piston in the piston cavity of brake casing, fixes by three latch springs and the piston mouth of piston.After retardation pressure was eliminated, the piston side friction plate can be with the piston positive return.
The utility model is described in further detail below in conjunction with specific embodiments and the drawings, but should not limit protection domain of the present utility model with this.
With reference to figure 1, piston side friction plate 12 is fixed by three latch springs 13 and the piston mouth of piston 11, makes that piston side friction plate 12 can be with piston 11 active returns.
With reference to figure 2, three latch springs 13 of present embodiment comprise 3 spring detents 131,132 that the edge of main part 130 and autonomous body 130 stretches out.As a nonrestrictive example, the spring detent 131,132 of this three latch spring 13 is all towards deviating from the direction bending of main part 130.
In conjunction with Fig. 2 and Fig. 3, the main part 130 of three latch springs 13 is fixedlyed connected with piston side friction plate 12, for example can have mounting hole on the main part 130, and main part 130 is via this mounting hole 130 and 12 riveted joints of piston side friction plate.
In conjunction with Fig. 2 and Fig. 4, as a nonrestrictive example, ecto-entad is respectively arranged with piston inner hole inner edge 111 and the piston inner hole flange 112 around the piston mouth in the piston mouth of piston 12, and the bearing of trend of piston inner hole inner edge 111 and piston inner hole flange 112 is parallel to each other.3 spring detents in three latch springs 13 respectively with the physical dimension of piston mouth endoporus coupling, thereby make three latch springs 13 fix with piston, and then make piston side friction plate being axially fixed on the piston along piston.In the present embodiment, spring detent 131 is hooked on the piston inner hole inner edge 111, bears the pressure of piston inner hole inner edge 111, and other 2 spring detents 132 are hooked on the piston inner hole flange 112, bear the pressure of piston inner hole flange 112.
With reference to figure 5, Fig. 5 shows the overall appearance structure of the disk type braker of present embodiment, and wherein, fist side friction plate is fixed by three latch springs 20 and the fist side of brake casing 10, makes that fist side friction plate can be with brake casing 10 active returns.
With reference to figure 6, Fig. 6 shows the structure of three latch springs 20 that connect fist side friction plate, comprises 3 spring detents 201,202 that main part 200 and autonomous body 200 stretch out.As a nonrestrictive example, one of them spring detent 201 is towards deviating from the direction bending of main part 200, and other 2 spring detents 202 are towards the direction bending of pointing to main part 200.
In conjunction with Fig. 6 and Fig. 7, the main part 200 of three latch springs 20 is fixing with fist side friction plate 21, and the means of fixation of the two for example also can be riveted joint.
In conjunction with Fig. 6 and Fig. 8, as a nonrestrictive example, 3 spring detents 201,202 that the fist side of brake casing 10 has bayonet socket 101, three latch springs 13 are connected in this bayonet socket 101, make the return of brake casing 10 and fist side friction plate be consistent.
With reference to figure 9 and Figure 10, as a preferred embodiment, seal ring 113 is arranged fixedly on the outer wall of piston 11, have groove on the piston cavity inwall of brake casing 10, seal ring 113 is placed in the groove of piston cavity inwall.The disk type braker that shown in Figure 9 is under the non-braking state, deformation does not take place in seal ring 113; The disk type braker that shown in Figure 10 is under the braking state, piston 11 is mobile under the retardation pressure effect, and seal ring 113 is subjected to the restriction of groove and elastic strain takes place, when retardation pressure is eliminated, seal ring 113 will restore to the original state, and be returned to original initial position thereby drive piston 113.
Need to prove, though in the present embodiment, what three latch springs of connection piston side friction plate adopted is structure shown in Figure 2, and the three latch springs employing of connection fist side friction plate is structure shown in Figure 6, but those skilled in the art are to be understood that, the concrete structure that is used for three latch springs of connection piston side friction plate and fist side friction plate is not limited to this, can also adopt three latch springs 30 for example shown in Figure 11, it comprises 3 spring detents 301 that main part 300 and autonomous body 300 stretch out, and these 3 spring detents 301 are all towards the direction bending of pointing to main part 300.In addition, when adopting three latch springs of different structure, the geomery of piston inner hole and/or brake casing also will carry out corresponding change, is complementary with shape, the size of three latch springs, to achieve a fixed connection.
Though the utility model with preferred embodiment openly as above; but it is not to limit the utility model; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (10)
1. a disk type braker that adopts friction plate three-jaw spring structure is characterized in that, comprising:
Brake casing, described brake casing has piston cavity;
Piston is arranged in the described piston cavity;
The piston side friction plate is fixed by the piston mouth of three latch springs and described piston.
2. disk type braker according to claim 1 is characterized in that, described three latch springs comprise:
Main part;
3 spring detents that stretch out from the edge of described main part.
3. disk type braker according to claim 2 is characterized in that, 3 spring detents of described three latch springs are all towards deviating from the direction bending of described main part.
4. disk type braker according to claim 3, it is characterized in that, ecto-entad is respectively arranged with piston inner hole inner edge and the piston inner hole flange of the described piston mouth of ring in the piston mouth of described piston, the bearing of trend of described piston inner hole inner edge and piston inner hole flange is parallel to each other, the main part of described three latch springs is fixedlyed connected with described piston side friction plate, one of them spring detent of described three latch springs is hooked on the described piston inner hole inner edge, and two other spring detent of described three latch springs is hooked on the described piston inner hole flange.
5. disk type braker according to claim 4 is characterized in that, the main part of described three latch springs and the riveted joint of described piston side friction plate.
6. disk type braker according to claim 2 is characterized in that, 3 spring detents of described three latch springs are all towards the direction bending of pointing to described main part.
7. disk type braker according to claim 2 is characterized in that, one of them court of 3 spring detents of described three latch springs deviates from the direction bending of described main part, and two other is towards the direction bending of pointing to described main part.
8. according to each described disk type braker in the claim 1, it is characterized in that described disk type braker also comprises fist side friction plate, described fist side friction plate is fixed by the fist side of three latch springs and described brake casing.
9. disk type braker according to claim 8, it is characterized in that, the fist side of described brake casing has bayonet socket, described three latch springs comprise main part and 3 spring detents stretching out of the edge of this main part certainly, described main part is fixedlyed connected with described fist side friction plate, and 3 spring detents of described three latch springs are connected in the bayonet socket of described brake casing fist side.
10. according to each described disk type braker in the claim 1 to 9, it is characterized in that seal ring is fixedly arranged on the outer wall of described piston, have groove on the inwall of described piston cavity, described seal ring is placed in the described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085368 CN203176229U (en) | 2013-02-25 | 2013-02-25 | Disc brake with friction plate of three-jaw spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085368 CN203176229U (en) | 2013-02-25 | 2013-02-25 | Disc brake with friction plate of three-jaw spring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176229U true CN203176229U (en) | 2013-09-04 |
Family
ID=49072930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320085368 Expired - Lifetime CN203176229U (en) | 2013-02-25 | 2013-02-25 | Disc brake with friction plate of three-jaw spring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912608A (en) * | 2013-02-25 | 2014-07-09 | 上海大陆汽车制动***销售有限公司 | Disk brake with friction plate of three jaw spring structure |
| CN110892170A (en) * | 2017-07-14 | 2020-03-17 | 福乐尼·乐姆宝公开有限公司 | Assembly of a brake caliper and at least one pad |
| US11536334B2 (en) | 2017-07-28 | 2022-12-27 | Continental Teves Ag & Co. Ohg | Friction lining holding spring for improved brake piston fixing |
-
2013
- 2013-02-25 CN CN 201320085368 patent/CN203176229U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912608A (en) * | 2013-02-25 | 2014-07-09 | 上海大陆汽车制动***销售有限公司 | Disk brake with friction plate of three jaw spring structure |
| CN103912608B (en) * | 2013-02-25 | 2016-05-11 | 上海大陆汽车制动***销售有限公司 | Adopt the disk brake of friction plate three-jaw spring structure |
| CN110892170A (en) * | 2017-07-14 | 2020-03-17 | 福乐尼·乐姆宝公开有限公司 | Assembly of a brake caliper and at least one pad |
| US11536334B2 (en) | 2017-07-28 | 2022-12-27 | Continental Teves Ag & Co. Ohg | Friction lining holding spring for improved brake piston fixing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |