Anti-loose brake lower pump

Abstract

The utility model discloses an anti-loose brake lower pump. The anti-loose brake lower pump comprises a brake shell, a mounting plate, a piston assembly, a brake pad and a hexagon socket screw. A mounting hole is formed in the mounting plate, a plurality of limiting grooves are formed in the mounting hole, a directional rotating block is arranged in the hexagon socket screw, and the directional rotating block can be embedded into the limiting grooves, so that the situation that the hexagon socket screw penetrating through the mounting hole is loosened due to reverse rotation is avoided; through the arrangement of the directional rotating block, the inner hexagon bolt can be prevented from loosening after being screwed, the installation reliability of the brake lower pump is ensured, and through the arrangement of the sliding block, the inclined groove, the connecting plate, the connecting cylinder and the supporting column, the sliding block is pressed or loosened, and the directional rotating block and the limiting groove can be unfixed or fixed; through the arrangement of the contact sensors, when the brake pads are worn to a certain degree, a user can be reminded to replace the brake pads in time, through the arrangement of the connecting structures, the first brake pad connecting plate and the second brake pad connecting plate can be separated from the corresponding brake pads, and follow-up brake pad replacement is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake pump technical field especially relates to a loosening brake lower pump. BACKGROUND

[0002] The brake lower pump, also known as brake caliper, is a key component in the automobile brake system, mainly composed of caliper body, piston, brake pad, brake oil pipe, etc. The caliper body is the main frame of the brake lower pump, the piston is installed in the caliper body, the brake pad is located between the caliper body and the brake disc, and the brake oil pipe is responsible for delivering brake oil from the brake master cylinder to the brake lower pump.

[0003] For example, the utility model discloses a wear-resistant brake pump with brake pads installed through fixing bolts, which can be disassembled by unscrewing the fixing bolts for replacement of severely worn brake pads, thereby ensuring the braking effect of the brake pump and greatly reducing the maintenance cost. The rubber pad on one side of the mounting plate can effectively reduce the wear between the mounting plate and the wheel support, ensuring higher installation stability of the two. The ceramic coating on the outer surface of the brake pad can effectively improve the wear resistance of the brake pad, thereby prolonging the service life of the brake pump. However, this structure still has the following significant defects:

[0004] 1. During driving, the vehicle will vibrate, causing the brake pump to work in a vibrating environment. Over time, this can cause the bolts to loosen, reducing the installation reliability of the brake pump and affecting driving safety.

[0005] 2. As the vehicle is used for a longer period of time, the brake pads will gradually wear out, affecting the braking performance. Traditional brake pad wear monitoring methods rely mainly on manual inspection and cannot timely detect that the brake pads have worn out. SUMMARY

[0006] The utility model aims to solve one of the technical problems existing in the prior art.

[0007] The application provides a loosening brake lower pump, which comprises a brake housing, a mounting plate, a piston assembly, a brake pad and an internal hexagonal bolt. The mounting plate is provided with a mounting hole, and the mounting hole is provided with a plurality of limiting grooves. The internal hexagonal bolt is provided with a directional rotating block. The directional rotating block can be embedded in the limiting groove, thereby preventing the internal hexagonal bolt passing through the mounting hole from loosening due to reverse rotation.

[0008] Further, the directional rotating block comprises a shaft, a rotating block and a spring. The internal hexagonal bolt is provided with a mounting groove, and the shaft is fixedly arranged in the mounting groove. The rotating block is rotatably arranged on the shaft. One end of the rotating block protrudes out of the mounting groove and can be embedded in the limiting groove. The other end of the rotating block is connected to the groove wall of the mounting groove through the spring.

[0009] Further, the inner hexagonal bolt is provided with a sliding groove, a supporting column is slidingly installed in the sliding groove, and the supporting column abuts against one end of the rotating block away from the spring.

[0010] Further, the inner hexagonal bolt is provided with a sliding groove, a supporting column is slidingly installed in the sliding groove, and the supporting column abuts against one end of the rotating block away from the spring.

[0011] Further, the inner hexagonal bolt is provided with a sliding groove, a supporting column is slidingly installed in the sliding groove, and the supporting column abuts against one end of the rotating block away from the spring.

[0012] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0013] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0014] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0015] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0016] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0017] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0018] Further, the brake shell is fixedly provided with a sliding groove, the first brake pad connecting plate and the second brake pad connecting plate are slidingly installed on the sliding groove, one end of the first brake pad connecting plate facing the second brake pad is provided with a contact sensor;

[0019] The beneficial effects of the utility model are as follows:

[0020] 1. By setting the directional rotating block, the inner hexagonal bolt can be prevented from loosening after tightening, ensuring the installation reliability of the brake lower pump. By setting the sliding block, inclined slot, connecting plate, connecting cylinder and support column, the sliding block can be pressed / loosened, so that the directional rotating block and the limiting slot are fixed / unfixed;

[0021] 2. By setting the contact sensor, the user can be reminded to replace the brake pad in time when the brake pad is worn to a certain extent. By setting the connecting structure, the first brake pad connecting plate and the second brake pad connecting plate can be separated from the corresponding brake pad, without affecting the user to replace the brake pad later. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a brake lower pump with anti-loosening function in the embodiment of the present application;

[0023] Figure 2 It is a connection principle diagram of the inner hexagonal bolt and the mounting plate in the embodiment of the present application;

[0024] Figure 3 It is a structural schematic diagram of Figure 2 the enlarged structure at A in the embodiment of the present application;

[0025] Figure 4 It is a structural schematic diagram of Figure 1 the sectional structure along the direction of B-B;

[0026] Figure 5 It is a structural schematic diagram of Figure 4 the enlarged structure at C in the embodiment of the present application;

[0027] Figure 6 It is a structural schematic diagram of Figure 1 the enlarged structure at D in the embodiment of the present application;

[0028] Figure 7 It is a structural schematic diagram of the brake pad, the second brake pad connection and the connecting structure in the embodiment of the present application;

[0029] Figure 8 It is a structural schematic diagram of Figure 7 the enlarged structure at E in the embodiment of the present application.

[0030] REFERENCE NUMERALS

[0031] 1-Brake housing, 2-Mounting plate, 21-Mounting hole, 22-Limiting groove, 3-Piston assembly, 4-Brake pad, 5-Hex socket head cap screw, 51-Directional rotating block, 511-Mounting groove, 512-Rotating shaft, 513-Rotating block, 514-Spring, 515-Sliding groove, 516-Support column, 61-Sliding block, 62-Inclined groove, 63-Connecting plate, 64-Connecting cylinder, 65-Hole, 71-Sliding groove, 72-First brake pad connecting plate, 73-Second brake pad connecting plate, 74-Contact sensor, 75-Connecting structure, 751-Rotating block, 752-Rotating plate, 753-Locking component, 754-Locking groove, 755-Plug-in block, 756-Plug-in rod, 757-Limiting plate, 758-Locking spring, 759-Plug-in hole. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0033] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0034] The following description, in conjunction with the accompanying drawings, details a brake pump for preventing loosening provided in this application through specific embodiments and application scenarios.

[0035] Example 1:

[0036] like Figures 1 to 5 As shown, this application provides an anti-loosening brake lower pump, including a brake housing 1, a mounting plate 2, a piston assembly 3, a brake pad 4, and an internal hex bolt 5; the mounting plate 2 is provided with a mounting hole 21, and the mounting hole 21 is provided with a plurality of limiting grooves 22; the internal hex bolt 5 is provided with a directional rotating block 51, and the positioning rotating block 513 can be embedded in the limiting groove 22, thereby preventing the internal hex bolt 5 passing through the mounting hole 21 from loosening due to reverse rotation.

[0037] Further, the directional rotating block 51 comprises a rotating shaft 512, a rotating block 513 and a spring 514, the inner hexagonal bolt 5 is provided with a mounting groove 511, the rotating shaft 512 is fixedly arranged in the mounting groove 511, the rotating block 513 is rotatably arranged on the rotating shaft 512, one end of the rotating block 513 extends out of the mounting groove 511 and can be embedded into the limiting groove 22, and the other end of the rotating block 513 is connected with the groove wall of the mounting groove 511 through the spring 514.

[0038] Further, the inner hexagonal bolt 5 is provided with a sliding groove 515, the supporting column 516 is slidingly arranged in the sliding groove 515, and one end of the supporting column 516 abuts against the rotating block 513 away from the spring 514.

[0039] Further, the inner hexagonal bolt 5 is provided with a hole groove 65 communicating with the sliding groove 515, the sliding block 61 is floatingly arranged in the hole groove 65, one end of the sliding block 61 extends out of the hole groove 65, the inclined groove 62 is arranged on the sliding block 61, the connecting plate 63 is fixedly connected with the supporting column 516, and one end of the connecting plate 63 is provided with the connecting cylinder 64 which is slidingly matched with the inclined groove 62; wherein the connecting plate 63 is slidingly arranged in the sliding groove 515.

[0040] In the embodiment of the present application, since the above structure is adopted, the brake shell 1 is slidingly arranged with a pair of brake pads 4, the brake shell 1 is provided with the piston assembly 3, the piston assembly 3 can push the brake pad 4 close to the piston assembly 3 to slide and move close to the brake pad 4 away from the piston assembly 3, so as to clamp and brake the external brake disc;

[0041] The mounting plate 2 is fixedly arranged on the brake shell 1, during the installation, the inner hexagonal wrench is inserted into the inner hexagonal groove of the inner hexagonal bolt 5, the sliding block 61 can be completely pushed into the hole groove 65, the inclined groove 62 on the sliding block 61 pushes the connecting plate 63 to slide inward, the connecting plate 63 drives the supporting column 516 to synchronously slide, the supporting column 516 sliding inward pushes the rotating block 513 to rotate around the rotating shaft 512, so that the rotating block 513 is completely withdrawn into the mounting groove 511 and does not affect the subsequent installation of the inner hexagonal bolt 5, then the inner hexagonal wrench is rotated to rotate the inner hexagonal bolt 5, and the inner hexagonal bolt 5 sequentially passes through the mounting hole 21 and the screw hole on the vehicle body, after the installation is completed, the inner hexagonal wrench is removed, the sliding block 61 is reset under the action of the spring and pushes the connecting plate 63 and the supporting column 516 to slide outward through the inclined groove 62, and the supporting column 516 is pushed to the outermost end of the sliding groove 515, the rotating block 513 is rotated under the action of the spring 514, one end of the rotating block 513 extends out of the mounting groove 511 and is embedded into the limiting groove 22, so that the inner hexagonal bolt 5 cannot be loosened by being reversed;

[0042] When the rotating block 513 is embedded in the limiting groove 22, the supporting column 516 is located at the outermost end of the sliding groove 515, and the supporting column 516 abuts against one end of the rotating block 513 away from the spring 514, so that the rotating block 513 cannot continue to rotate;

[0043] The mounting plate 2 in the utility model has small volume and low manufacturing cost.

[0044] Example 2:

[0045] As Figures 6 to 8 shown, in the embodiment, in addition to the structural features of the foregoing embodiments, the brake shell 1 is fixedly provided with a sliding groove 71, the first brake pad connecting plate 72 and the second brake pad connecting plate 73 are slidingly installed on the sliding groove 71, the first brake pad connecting plate 72 is provided with a contact sensor 74 at one end facing the second brake pad 4; wherein the first brake pad connecting plate 72 and the mounting lugs on the brake pad 4 close to the piston assembly 3 are detachably installed together through the corresponding connecting structure 75, and the second brake pad connecting plate 73 and the mounting lugs on the other brake pad 4 are detachably installed together through the corresponding connecting structure 75.

[0046] Further, the connecting structure 75 comprises a rotating block 751, a rotating plate 752 and a locking piece 753, the rotating plate 752 is fixedly arranged at both ends of the rotating block 751, and the locking piece 753 is oppositely arranged on the rotating plate 752; the mounting lugs on the brake pad 4 are provided with a locking groove 754, and the locking piece 753 can be inserted into the locking groove 754; wherein the rotating block 751 is rotatably installed on the first brake pad connecting plate 72 and the second brake pad connecting plate 73.

[0047] Further, the locking piece 753 comprises an insertion block 755, an insertion rod 756, a limiting plate 757 and a locking spring 758, the insertion rod 756 is slidingly matched with the insertion hole 759 arranged on the rotating plate 752, the insertion block 755 is fixedly installed at one end of the insertion rod 756, and the insertion rod 756 is fixedly installed at the other end of the insertion rod 756, the cross-sectional radius of the insertion block 755 and the insertion rod 756 is greater than the radius of the insertion hole 759, and the insertion block 755 can be inserted into the locking groove 754; wherein the locking spring 758 is sleeved on the insertion rod 756, and one end of the locking spring 758 is fixedly connected with the rotating plate 752, and the other end of the locking spring 758 is fixedly connected with the limiting plate 757.

[0048] Further, the sliding groove 71 is a dovetail groove, and the first brake pad connecting plate 72 and the second brake pad connecting plate 73 are provided with dovetail blocks slidingly matched with the sliding groove 71.

[0049] In this embodiment of the present application, since the above structure is adopted, when the piston assembly 3 pushes the brake pad 4 on the side close to the piston assembly 3 to slide and the brake pad 4 on the side away from the piston assembly 3 to close, the brake pad 4 on the side close to the piston assembly 3 is driven to slide along the sliding groove 71 by the connecting structure 75, when the brake pad 4 is worn to a certain degree, the pair of brake pads 4 are in the clamping state, the second brake pad 4 contacts the contact sensor 74 on the first brake pad 4, the contact sensor 74 sends a signal to the external vehicle system, the external vehicle system feeds back to the driver through the external screen, reminding the driver to replace the brake pad 4;

[0050] By pulling a pair of limiting plates 757 and compressing the corresponding locking springs 758, a pair of plug-in blocks 755 can be separated from the locking grooves 754, at this time, the rotating block 751 can be rotated, and a pair of rotating plates 752 can be separated from the corresponding brake pads 4, without affecting the user to replace the brake pads 4 later;

[0051] The sliding groove 71 is a dovetail groove, and the first brake pad connecting plate 72 and the second brake pad connecting plate 73 are both provided with dovetail blocks matched with the sliding groove 71, so that the dovetail blocks on the first brake pad connecting plate 72 and the second brake pad connecting plate 73 are always embedded in the sliding groove 71, improving the stability in use.

[0052] It should be noted that in this paper, the terms "including", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the method and device in the embodiments of the present application is not limited to the order of functions shown or discussed, but can also include functions performed in a substantially simultaneous manner or in the opposite order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0053] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims.

Claims

1. A lock washer brake lower pump comprising a brake housing, a mounting plate, a piston assembly, a brake pad and an allen head bolt, wherein, The mounting plate is provided with a mounting hole, and a plurality of limiting grooves are arranged on the mounting hole.

2. A brake reservoir according to claim 1, wherein, The directional rotating block comprises a rotating shaft, a rotating block and a spring.

3. A brake reservoir according to claim 2, wherein, The inner hexagonal bolt is provided with a sliding groove, and a supporting column is slidingly installed in the sliding groove.

4. A brake reservoir according to claim 3, wherein, The inner hexagonal bolt is provided with a hole groove in communication with the sliding groove, and a sliding block is floatingly installed in the hole groove. The brake shell is fixedly provided with a sliding groove, and a first brake pad connecting plate and a second brake pad connecting plate are slidingly installed on the sliding groove.

5. A brake reservoir according to claim 1, wherein The first brake pad connecting plate is detachably installed with the mounting lug on the brake pad close to the piston assembly through a corresponding connecting structure, and the second brake pad connecting plate is detachably installed with the mounting lug on the other brake pad through a corresponding connecting structure. The connecting structure comprises a rotating block, a rotating plate and a locking piece.

6. A brake reservoir according to claim 5, wherein, The locking piece comprises a plug-in block, a plug-in rod, a limiting plate and a locking spring. The plug-in rod is slidingly matched with the plug-in hole on the rotating plate.

7. A brake reservoir according to claim 6 wherein, The plug-in block and the plug-in rod have a cross-sectional radius greater than the radius of the plug-in hole. The locking spring is sleeved on the plug-in rod, and one end is fixedly connected with the rotating plate, and the other end is fixedly connected with the limiting plate.

8. A brake reservoir according to claim 5 wherein, The sliding groove is a dovetail groove, and the first brake pad connecting plate and the second brake pad connecting plate are provided with dovetail blocks slidingly matched with the sliding groove.

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