CN203717747U - Brake shoe assembly - Google Patents
Brake shoe assembly Download PDFInfo
- Publication number
- CN203717747U CN203717747U CN201320880945.8U CN201320880945U CN203717747U CN 203717747 U CN203717747 U CN 203717747U CN 201320880945 U CN201320880945 U CN 201320880945U CN 203717747 U CN203717747 U CN 203717747U
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- CN
- China
- Prior art keywords
- brake shoe
- block
- friction facing
- thickness
- shoe assembly
- 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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Abstract
The utility model discloses a brake shoe assembly. Time and labor consuming problems in the prior art, where a friction lining is in riveted connection with a brake shoe, are solved. The brake shoe assembly comprises a brake shoe used for fixing and supporting, a friction lining connected with the outer surface of the brake shoe, a roller shaft and a roller, wherein the roller shaft and the roller are arranged on one end of the brake shoe; a plurality of protrusions are arranged on the friction lining; grooves cooperating with the protrusions are arranged in the outer surface of the brake shoe; and the protrusions are in interference fit with the grooves. According to the utility model, the friction lining closely cooperates with the brake shoe, so the friction lining is easy to change. The brake shoe assembly is also capable of reminding people to change the friction lining.
Description
Technical field
The utility model relates to automobile braking device technical field, particularly a kind of brake shoe assembly.Brake shoe assembly of the present utility model, is convenient to change friction facing.
Background technique
Automotive brake is the vitals of automobile, is the key that guarantees traffic safety.Conventional automotive brake comprises drum brake and disk type braker at present.
Drum brake is mainly comprised of component such as base plate, brake drum, brake shoe, wheel cylinder (brake cylinder), return spring, locating studs.Base plate is arranged on the fixed position of axletree, and it is fixed, and brake shoe, wheel cylinder, return spring, locating stud are housed above, the rotary torsion while bearing braking.Each drum has a pair of brake shoe, has friction facing on brake shoe.Brake drum is mounted on wheel hub, is the parts that rotate together along with wheel, and it is to be made by the cast iron of certain deal, and shape is similar to drum type.When braking, wheelcylinder piston promotes brake shoe compressing brake drum, and brake drum is subject to friction eceleration, forces wheel to stop operating.
Drum brake is a kind of comparatively traditional break, and because it has low price, braking ability is good etc., and advantage is still widely used.The key component of drum brake is brake shoe assembly.
The utility model patent that notice of authorization is " CN202867647U " discloses a kind of brake shoe assembly, comprise the brake shoe of fixing and supporting effect, roller shaft and the roller that is fixed on the friction facing of brake shoe outer surface and is arranged on brake shoe one end, described friction facing by rivet to brake shoe; Roller is connected with roller shaft with self-lubricating bushing, and self-lubricating bushing is pressed into roller, and roller shaft is through brake shoe and roller, and catch, then prevents jump ring in roller shaft jump-ring slot near brake shoe through roller shaft.
In the brake shoe assembly of prior art, friction facing by rivet to brake shoe, and friction facing be easy to wearing and tearing, need periodic replacement.Friction facing is riveted on brake shoe, while changing friction facing, wastes time and energy.
Model utility content
The purpose of this utility model is to provide a kind of brake shoe assembly, in order to solve friction facing and brake shoe in prior art, by rivet, changes the problem wasting time and energy.
For addressing the above problem, technical solution adopted in the utility model is:
A kind of brake shoe assembly, fixing and the brake shoe of supporting effect, the friction facing being connected with described brake shoe outer surface, the roller shaft and the roller that are arranged on described brake shoe one end have been comprised, described friction facing is provided with some projections, the groove that the setting of described brake shoe outer surface matches with described projection, described projection and described groove interference fit.
Preferably, the setting of described brake shoe outer surface is fixedly installed the first block and the second block, and described the first block is positioned at the first end face of described friction facing, and described the second block is positioned at the second end face of described friction facing.Arranging of the first block and the second block can prevent that friction facing from sliding at described brake shoe outer surface.
Further, the thickness of described the first block is less than the thickness of described friction facing the first end; The thickness of described the second block is less than the thickness of described friction facing the second end.
Preferably, the thickness of described the first block is 1/2nd of described friction facing the first end thickness; The thickness of described the second block is 1/2nd of described friction facing the second end thickness.
Preferably, described the first block is can produce the block of Abnormal Sound with metallic material friction; Described the second block is can produce the block of Abnormal Sound with metallic material friction.After friction facing is worn, when friction facing the first end thickness is less than the first block thickness or this second end thickness and is less than the second block thickness, with brake drum and the first block or the second block friction that brake shoe is used in conjunction with, send allophone, remind user to change friction facing.
Preferably, described friction facing comprises wearing layer and flexibly connects layer, described wearing layer with described in flexibly connect and layer be fixedly connected with; Described in being arranged on, described projection flexibly connects on layer.Friction facing arranges wearing layer and flexibly connects layer, wherein wearing layer for and brake drum friction, the setting that flexibly connects layer be convenient to make friction facing and brake shoe surface engagement firm.
Further, described in, flexibly connect 5-20 projection is set on layer.
The beneficial effect of the utility model brake shoe assembly is:
Brake shoe assembly of the present utility model, friction facing coordinates with brake shoe closely, and friction facing is convenient to change, and brake shoe assembly of the present utility model also has the function of prompting changing friction facing.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of the utility model brake shoe assembly;
Fig. 2 is the structural representation that in Fig. 1, friction facing flexibly connects layer;
Fig. 3 is brake shoe structural representation in the utility model brake shoe assembly;
Fig. 4 is the another kind of structural representation of the utility model brake shoe assembly;
Fig. 5 is the structural representation of friction facing in Fig. 4;
Wherein, 1-roller; 2-the first block; 3-brake shoe; 4-friction facing; 41-wearing layer; 42-flexibly connects layer; 5-the second block; 6-projection; 7-groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of brake shoe assembly, comprised and having fixed and the brake shoe of supporting effect, the friction facing being connected with brake shoe outer surface, the roller shaft that is arranged on brake shoe one end and roller, friction facing is provided with some projections, the groove that the setting of brake shoe outer surface matches with projection, projection and groove interference fit.
As preferred implementation, the setting of brake shoe outer surface is fixedly installed the first block and the second block, and the first block is positioned at the first end face of friction facing, and the second block is positioned at the second end face of friction facing.
Further, the thickness of the first block is less than the thickness of friction facing the first end; The thickness of the second block is less than the thickness of friction facing the second end.
As preferred implementation, the thickness of the first block is 1/2nd of friction facing the first end thickness; The thickness of the second block is 1/2nd of friction facing the second end thickness.
As preferred implementation, the first block is can produce the block of Abnormal Sound with metallic material friction; The second block is can produce the block of Abnormal Sound with metallic material friction.
As preferred implementation, friction facing comprises wearing layer and flexibly connects layer, and wearing layer layer is fixedly connected with flexibly connecting; Projection is arranged on and flexibly connects on layer.
Further, flexibly connect 5-20 projection is set on layer.
Embodiment 1
As shown in Figure 1, brake shoe assembly of the present utility model comprised the brake shoe 3 of fixing and supporting effect, the friction facing being connected with brake shoe 3 outer surfaces, roller 1 and the roller shaft that is arranged on brake shoe 3 one end.
Brake shoe 3 outer surfaces arrange the first block 2 and the second block 5; The first block 2 is positioned at the first end face of friction facing, and the second block 5 is positioned at the second end face of friction facing.The thickness of the first block 2 is that the thickness of the 1/2nd, second block 5 of the first end thickness of friction facing is 1/2nd of friction facing the second end thickness.The first block 2 and the second block 5 are the block made from the material of metallic material friction generation Abnormal Sound.
As shown in Figure 1, friction facing comprises wearing layer 41 and flexibly connects layer 42; Wearing layer 41 with flexibly connect layer and 42 be fixedly connected with.Wearing layer 41 and brake drum friction, flexibly connect layer 42 and be connected with the outer surface of brake shoe 3.As shown in Figure 2, flexibly connecting the projection that layer 42 surface arrange general its surface of some protruding 6(is 5-20); As shown in Figure 3, brake shoe 3 outer surfaces arrange some grooves 7.Projection 6 and groove 7 interference fit.
Embodiment 2
As shown in Figure 4, brake shoe assembly of the present utility model comprised the brake shoe 3 of fixing and supporting effect, the friction facing 4 being connected with brake shoe 3 outer surfaces, roller 1 and the roller shaft that is arranged on brake shoe 3 one end.
As shown in Figure 4, brake shoe 3 outer surfaces arrange the first block 2 and the second block 5; The first block 2 is positioned at the first end face of friction facing 4, and the second block 5 is positioned at the second end face of friction facing 4.The thickness of the first block 2 is that the thickness of the 1/2nd, second block 5 of the first end thickness of friction facing 4 is 1/2nd of friction facing 4 second end thickness.The first block 2 and the second block 5 are the block made from the material of metallic material friction generation Abnormal Sound.
As shown in Figure 5, the projection on general its surface of some protruding 6(is set is 5-20 on the surface of friction facing 4); As shown in Figure 3, brake shoe 3 outer surfaces arrange some grooves 7.Projection 6 and groove 7 interference fit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a brake shoe assembly, fixing and the brake shoe of supporting effect, the friction facing being connected with described brake shoe outer surface, the roller shaft and the roller that are arranged on described brake shoe one end have been comprised, it is characterized in that: described friction facing is provided with some projections, the groove that the setting of described brake shoe outer surface matches with described projection, described projection and described groove interference fit.
2. brake shoe assembly as claimed in claim 1, it is characterized in that: the setting of described brake shoe outer surface is fixedly installed the first block and the second block, described the first block is positioned at the first end face of described friction facing, and described the second block is positioned at the second end face of described friction facing.
3. brake shoe assembly as claimed in claim 2, is characterized in that: the thickness of described the first block is less than the thickness of described friction facing the first end; The thickness of described the second block is less than the thickness of described friction facing the second end.
4. brake shoe assembly as claimed in claim 2 or claim 3, is characterized in that: the thickness of described the first block is 1/2nd of described friction facing the first end thickness; The thickness of described the second block is 1/2nd of described friction facing the second end thickness.
5. brake shoe assembly as claimed in claim 2 or claim 3, is characterized in that: described the first block is for producing the block of Abnormal Sound with metallic material friction; Described the second block is can produce the block of Abnormal Sound with metallic material friction.
6. the brake shoe assembly as described in claim 1-3 any one, is characterized in that: described friction facing comprises wearing layer and flexibly connect layer, described wearing layer with described in flexibly connect and layer be fixedly connected with; Described in being arranged on, described projection flexibly connects on layer.
7. brake shoe assembly as claimed in claim 6, is characterized in that: described in flexibly connect 5-20 projection be set on layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880945.8U CN203717747U (en) | 2013-12-30 | 2013-12-30 | Brake shoe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880945.8U CN203717747U (en) | 2013-12-30 | 2013-12-30 | Brake shoe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717747U true CN203717747U (en) | 2014-07-16 |
Family
ID=51156901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880945.8U Expired - Fee Related CN203717747U (en) | 2013-12-30 | 2013-12-30 | Brake shoe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465237A (en) * | 2015-12-20 | 2016-04-06 | 重庆泽田汽车部件有限责任公司 | Drum brake with automatic alarm function |
-
2013
- 2013-12-30 CN CN201320880945.8U patent/CN203717747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465237A (en) * | 2015-12-20 | 2016-04-06 | 重庆泽田汽车部件有限责任公司 | Drum brake with automatic alarm function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |