Low-dragging brake caliper body

Abstract

The utility model discloses a low-dragging brake caliper body, relates to the technical field of brake caliper bodies, and aims to solve the problem of structure looseness caused by the possibility of autorotation of a bolt. The steel plate is connected with the brake pad through a connecting mechanism, an adjusting mechanism is arranged on one friction assembly, and the adjusting mechanism is connected with the piston body. By arranging the anti-loosening mechanism with the trapezoidal loosening pin, the loosening pin is automatically embedded into the annular groove of the connecting bolt to form mechanical self-locking by utilizing the pretightening force of the spring in the mounting process of the connecting bolt, and a guide limiting structure of the stabilizing rod and the stabilizing groove is matched, so that the connecting bolt is effectively prevented from rotating and loosening under the vibration working condition; the potential safety hazard that traditional bolt connection is prone to failure is solved; by adopting the wedge-shaped matching of the clamping piece and the V-shaped clamping groove and the double-limiting design of the adjusting disc, a multi-stage anti-loosening structure is formed, the mounting stability of the friction assembly is guaranteed, meanwhile, the clamping relation can be quickly relieved through the linear displacement of the adjusting bolt, and the maintenance convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake caliper body technical field, especially in low drag brake caliper body. BACKGROUND

[0002] The friction assembly in the prior art is installed through bolts, and the bolts can rotate for a long time, which can cause structure loosening and gap at the connection, thereby causing safety hazards.

[0003] Therefore, the application provides a low drag brake caliper body to meet the needs. UTILITY MODEL CONTENTS

[0004] The application aims to provide a low drag brake caliper body to solve the problem that the bolts can rotate, thereby causing structure loosening.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a low drag brake caliper body, comprising a caliper body, a piston body, a friction assembly and a fixed support, the fixed support is slidably connected to the caliper body through a guide pin, and the piston body is slidably connected in a piston groove of the caliper body, a set of friction assemblies are respectively arranged on the outer end face of the piston body and the caliper body, the friction assembly further comprises a steel plate and a brake pad, and two sets of steel plates are respectively arranged on the end face of the caliper body provided with the piston body;

[0006] The steel plate is connected to the brake pad through a connecting mechanism, and an adjusting mechanism is arranged on one of the sets of friction assemblies and connected to the piston body.

[0007] Preferably, the connecting mechanism comprises a connecting bolt, a loosening pin, a spring and a push block, a through hole with a T-shaped cross section is arranged on the steel plate, a connecting groove matched with the through hole is arranged on the brake pad, and the connecting bolt is threadedly connected between the through hole and the connecting groove;

[0008] A set of expansion grooves are arranged on the inner wall of the through hole, the loosening pin is slidably connected in the expansion groove, the spring is press-fitted between the loosening pin and the expansion groove, a sliding groove communicating with the outside is arranged on the inner wall of the expansion groove, and the push block is slidably connected in the sliding groove and connected to the loosening pin.

[0009] The end of the loosening pin is in a wedge-shaped structure, and the end of the loosening pin is slidably connected to the annular groove on the outer wall of the connecting bolt.

[0010] Preferably, a set of stabilizing grooves are arranged on the inner wall of the expansion groove, a stabilizing rod is arranged on the end of the loosening pin, the stabilizing rod is matched with the stabilizing groove, and the spring is sleeved on the stabilizing rod.

[0011] Preferably, the adjusting mechanism comprises a clamping piece and an adjusting bolt, an adjusting disc and a fixing bolt, the clamping piece is arranged on the outer wall of the steel plate and is a multi-angle folded plate, a clamping groove is arranged on the end face of the piston body, a V-shaped groove is arranged on the inner wall of the clamping groove, and the clamping piece is matched with the V-shaped groove.

[0012] The clamping piece is arranged in multiple groups and in a ring array, an adjusting hole and an operating hole with a T-shaped cross section are arranged in the middle of the steel plate and the brake pad respectively, the adjusting bolt is threadedly connected in the adjusting hole, and a group of adjusting discs are installed on the end of the adjusting bolt through the fixing bolt, and the adjusting disc is slidingly connected with the outer wall of the clamping piece.

[0013] Preferably, the end of the adjusting bolt is provided with a rectangular block, and the middle of the adjusting disc is provided with a rectangular hole, and the rectangular block is matched with the rectangular hole to be preliminarily fixed.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] The utility model discloses a loosening prevention mechanism with trapezoidal relaxation pin, which is automatically embedded into the ring groove of the connecting bolt during the installation of the connecting bolt to form mechanical self-locking by the pre-tightening force of the spring, and cooperates with the guiding and limiting structure of the stabilizing rod and the stabilizing groove to effectively prevent the self-rotation loosening of the connecting bolt under the vibration working condition, thereby solving the safety hazard of the easy failure of the traditional bolt connection. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is an explosive structural schematic diagram of the utility model;

[0019] Figure 3 It is a local sectional structural schematic diagram of the utility model; Figure 1 ;

[0020] Figure 4 It is a local sectional structural schematic diagram of the utility model; Figure 2 ;

[0021] Figure 5 For the present utility model Figure 3 Enlarged structural diagram at point A in the diagram;

[0022] Figure 6 For the present utility model Figure 4 Enlarged structural diagram at point B in the diagram;

[0023] Figure 7 This is a schematic diagram of the connecting bolt structure of this utility model;

[0024] Figure 8 This is a schematic cross-sectional view of the friction assembly of this utility model. Figure 1 ;

[0025] Figure 9 This is a schematic cross-sectional view of the friction assembly of this utility model. Figure 2 .

[0026] In the diagram: 1. Clamp body; 100. Piston groove; 2. Piston body; 200. Slot; 3. Friction assembly; 4. Steel plate; 40. Perforation; 41. Telescopic groove; 42. Stabilizing groove; 43. Slide groove; 44. Adjusting hole; 5. Connecting bolt; 50. Ring groove; 51. Releasing pin; 52. Stabilizing rod; 53. Spring; 54. Push block; 6. Brake pad; 60. Connecting groove; 61. Operating hole; 7. Clamp; 8. Adjusting bolt; 9. Adjusting disc; 10. Fixing bolt; 11. Fixing bracket. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example: Reference Figures 1-9 The low drag brake caliper shown includes a caliper body 1, a piston body 2, a friction assembly 3, and a fixed bracket 11. The fixed bracket 11 is slidably connected to the caliper body 1 by a guide pin. The caliper body 1 is provided with a piston groove 100 for the piston body 2 to move. The friction assembly 3 is provided in two sets, one set is fixed to the caliper body 1, and the other set is connected to the piston body 2 through an adjustment mechanism.

[0029] As one embodiment of this invention, the friction assembly 3 includes a steel plate 4 and a brake pad 6, which are connected by a connecting mechanism.

[0030] As an embodiment in the present embodiment, the connecting mechanism: the steel plate 4 and the brake pad 6 are respectively provided with a through hole 40 and a connecting groove 60, the connecting groove 60 corresponds to the position between the through hole 40, and the inner wall of the connecting groove 60 is provided with a threaded section, when the steel plate 4 and the brake pad 6 are installed, the connecting bolt 5 is inserted into the through hole 40, and then screwed into the connecting groove 60 to complete the initial installation, in order to avoid the connecting bolt 5 rotating due to vibration and other reasons in the subsequent process, causing loosening, therefore, in the present embodiment, a set of expansion slots 41 are provided on the inner wall of the through hole 40, a set of trapezoidal relaxation pins 51 are slidingly connected in the expansion slots 41, and a set of springs 53 are press-fitted between the relaxation pins 51 and the expansion slots 41, therefore, in the initial state, the end of the relaxation pin 51 protrudes from the expansion slot 41, when the connecting bolt 5 is used to fix, the connecting bolt 5 passes through the inclined surface on the relaxation pin 51 to make the relaxation pin 51 inserted into the ring groove 50, thereby achieving the purpose of limiting the connecting bolt 5 through the relaxation pin 51, in order to facilitate the subsequent process of releasing the limiting relationship, the inner wall of the expansion slot 41 is provided with a sliding groove 43 connected to the outside, and a set of push blocks 54 connected with the relaxation pin 51 are slidingly connected in the sliding groove 43, thereby achieving the purpose of auxiliary disassembly.

[0031] In order to further stabilize the movement state of the relaxation pin 51, a stabilizing groove 42 is provided on the inner wall of the expansion slot 41, and a stabilizing rod 52 is provided at the end of the relaxation pin 51, the stabilizing rod 52 is adapted to the stabilizing groove 42, and when the relaxation pin 51 is moved, the stabilizing rod 52 slides in the stabilizing groove 42, and the spring 53 mentioned above is sleeved on the relaxation pin 51.

[0032] As an embodiment in the present embodiment, the adjusting mechanism: the middle part of the steel plate 4 and the brake pad 6 is respectively provided with an adjusting hole 44 and an operating hole 61, the adjusting hole 44 corresponds to the position between the operating hole 61, and the size is matched, and the outer wall of the steel plate 4 is provided with a clamping piece 7, the structure of the clamping piece 7 is as shown in Figure 3 、 4 , and the clamping piece 7 is three in a group, a V-shaped groove is provided on the inner wall of the clamping groove 200, and the groove is adapted to the clamping piece 7, thereby achieving the purpose of preliminarily fixing the steel plate 4, in order to improve the connection stability, a set of adjusting bolts 8 are threadedly connected in the middle part of the adjusting hole 44, a set of circular adjusting discs 9 are provided at the end of the adjusting bolt 8, the adjusting disc 9 is fixed on the adjusting bolt 8 through the fixing bolt 10, by rotating the adjusting bolt 8, the position relationship between the adjusting disc 9 and the clamping piece 7 is adjusted, thereby achieving the purpose of limiting the clamping piece 7.

[0033] As an embodiment in the present embodiment, a rectangular block is provided at the end of the adjusting bolt 8, a rectangular groove is provided in the middle part of the adjusting disc 9, the rectangular groove is adapted to the rectangular block, thereby achieving the preliminary fixation of the adjusting disc 9 and the adjusting bolt 8, and then the fixing bolt 10 is screwed into the adjusting bolt 8.

[0034] The working principle of this utility model is as follows: When maintenance of the brake caliper body is required, stop the vehicle and remove the tire. Then, unscrew the corresponding bolts and remove the brake caliper body from the vehicle. Next, remove a set of friction components 3. Then, by inserting a tool into the operating hole 61, rotate the adjusting bolt 8 on the adjusting hole 44. The adjusting bolt 8 rotates inward, pushing the adjusting disc 9 at the end, causing the adjusting disc 9 to move away from the outer wall of the retaining piece 7, thereby releasing the restriction on the retaining piece 7. Then, the operator pulls the friction component 3 outward, causing the retaining piece 7 to move out of the piston body 2. The brake pad 6 is separated from the slot 200; then the push block 54 on the outer wall of the steel plate 4 is moved, and the push block 54 passes through the slide groove 43, causing the release pin 51 connected to it to slide in the telescopic groove 41, so that the release pin 51 leaves the annular groove 50 of the connecting bolt 5, releasing the limit of the connecting bolt 5. During this process, the release pin 51 squeezes the spring 53, and the stabilizer bar 52 is inserted into the stabilizer groove 42. Then the connecting bolt 5 is rotated again to separate the connecting bolt 5 from the connecting groove 60, releasing the connection between the brake pad 6 and the steel plate 4, and performing maintenance and replacement.

[0035] The electromechanical connections involved in this utility model are common practices used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments; they are common knowledge.

[0036] Components not described in detail in this article are existing technologies.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A low-drag brake caliper body, comprising a caliper body (1) and a piston body (2), a friction assembly (3), a fixed support (11), the fixed support (11) being slidably connected to the caliper body (1) through a guide pin, and the piston body (2) being slidably connected in a piston groove (100) of the caliper body (1), a set of the friction assemblies (3) being respectively arranged on an outer end face of the piston body (2) and the caliper body (1), characterized in that: The friction assembly (3) further comprises steel plates (4) and brake pads (6), two groups of the steel plates (4) are respectively arranged on the end face of the piston body (2) of the caliper body (1); ​ The steel plates (4) are connected with the brake pads (6) through a connecting mechanism, and an adjusting mechanism is arranged on one of the friction assemblies (3), and the adjusting mechanism is connected with the piston body (2).

2. A low-drag brake caliper body according to claim 1, characterized in that: The connecting mechanism comprises a connecting bolt (5), a release pin (51), a spring (53) and a push block (54), a T-shaped through hole (40) is arranged on the steel plate (4), a connecting groove (60) matched with the through hole (40) is arranged on the brake pad (6), and the connecting bolt (5) is threadedly connected between the through hole (40) and the connecting groove (60); A group of expansion grooves (41) are arranged on the inner wall of the through hole (40), the release pin (51) is slidably connected in the expansion groove (41), the spring (53) is press-fitted between the release pin (51) and the expansion groove (41), a sliding groove (43) communicating with the outside is arranged on the inner wall of the expansion groove (41), and the push block (54) is slidably connected in the sliding groove (43) and connected with the release pin (51). The end of the release pin (51) is in a wedge structure, and the end of the release pin (51) is slidably connected with a ring groove (50) on the outer wall of the connecting bolt (5).

3. A low-drag brake caliper body according to claim 2, wherein: A group of stabilizing grooves (42) are arranged on the inner wall of the expansion groove (41), a stabilizing rod (52) is arranged at the end of the release pin (51), the stabilizing rod (52) is matched with the stabilizing groove (42), and the spring (53) is sleeved on the stabilizing rod (52).

4. A low-drag brake caliper body according to claim 1, wherein: The adjusting mechanism comprises a clamping piece (7), an adjusting bolt (8), an adjusting disc (9) and a fixing bolt (10), the clamping piece (7) is arranged on the outer wall of the steel plate (4), the clamping piece (7) is a multi-angle folding plate, a clamping groove (200) is arranged on the end face of the piston body (2), a V-shaped groove is arranged on the inner wall of the clamping groove (200), and the clamping piece (7) is matched with the V-shaped groove; A plurality of clamping pieces (7) are arranged in an annular array, an adjusting hole (44) and a T-shaped operation hole (61) are arranged in the middle of the steel plate (4) and the brake pad (6) respectively, the adjusting bolt (8) is threadedly connected in the adjusting hole (44), a group of adjusting discs (9) are arranged on the end of the adjusting bolt (8) through the fixing bolt (10), and the adjusting disc (9) is slidably connected with the outer wall of the clamping piece (7).

5. A low-drag brake caliper body according to claim 4, wherein: A rectangular block is arranged at the end of the adjusting bolt (8), a rectangular hole is arranged in the middle of the adjusting disc (9), and the rectangular block is matched with the rectangular hole to preliminarily fix.

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