Brake clamp applied to bicycle

Abstract

The utility model discloses a brake clamp applied to a bicycle. The brake clamp comprises a clamp shell and a brake assembly. The clamp shell comprises an upper shell body, a lower shell body and a fastener used for connecting the upper shell body and the lower shell body. When the upper shell and the lower shell are connected through a fastener, the clamp shell is provided with an installation through hole matched with the fastener for installation. The clamp shell is further provided with an oil conveying channel communicated with the installation through hole, and the upper shell and the lower shell are each provided with the oil conveying channel. An oil guide groove communicated with the oil conveying channel is formed in the inner wall of the mounting through hole; according to the brake clamp, the mounting through hole matched with the fastener is formed in the clamp shell, and the oil guide groove communicated with the oil conveying channel is formed in the mounting through hole, so that the mounting through hole can replace the oil conveying channel to convey brake oil, the number of oil conveying channels formed in the brake clamp is reduced, and then the manufacturing difficulty of the brake clamp is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle manufacturing, in particular to a brake caliper applied to a bicycle. Background Art

[0002] Bicycles are a traditional industry. The focus of the world bicycle industry is shifting from traditional means of transportation to sports, mountain, and leisure types. In countries such as the United States, Europe, and Japan, bicycles are a relatively common sports, fitness, leisure, and entertainment product.

[0003] The braking system of a bicycle mainly includes a brake lever, a brake cable or a brake oil pipe, and a brake caliper. The brake lever is usually fixed at both ends of the handlebar, and the braking force is controlled by the relaxation and clamping of the fingers. The brake cable or the brake oil pipe is responsible for connecting the brake lever and the brake caliper and transmitting the braking force. The brake caliper is fixed at the upper or lower end of the front fork or the rear upper fork. By tightening the brake cable or compressing the brake oil, the brake pads or the brake shoes are locked, thereby realizing the braking function. Among them, transmitting the braking force through hydraulic oil has greater braking force and better adjustability.

[0004] Existing brake calipers usually consist of left and right clamping blocks and fasteners. To facilitate oil injection, an oil injection hole and a corresponding oil injection hole seal are newly customized on the brake caliper. This will result in too many oil injection holes and corresponding oil injection hole seals on the brake caliper, affecting the aesthetics of the caliper and increasing the manufacturing difficulty of the brake caliper.

[0005] In view of this, the utility model will provide a brake caliper applied to a bicycle to solve the above problems. Summary of the Invention

[0006] To solve the problems of large manufacturing difficulty and poor aesthetics of existing brake calipers, the utility model proposes a brake caliper applied to a bicycle.

[0007] The utility model is realized by the following technical solutions: A brake caliper applied to a bicycle includes a caliper housing and a braking component provided on the caliper housing. The braking component is used to brake the bicycle. The caliper housing includes an upper housing, a lower housing, and a fastener. The fastener is used to connect the upper housing and the lower housing. When the upper housing and the lower housing are connected by the fastener, an installation through-hole adapted to the installation of the fastener is provided on the caliper housing. An oil delivery channel communicated with the installation through-hole is also provided on the caliper housing.

[0008] On the basis of the above solution, the oil delivery channels are provided on both the upper housing and the lower housing.

[0009] On the basis of the above solution, a first sealing ring is sleeved on the fastener.

[0010] Based on the above solution, the braking assembly includes a brake pad and a piston for pushing the brake pad to move; mounting grooves adapted for mounting the piston are provided on both the upper housing and the lower housing, and the mounting grooves communicate with the mounting through-hole through the oil delivery channel.

[0011] Based on the above solution, an oil guiding groove is provided on the inner wall of the mounting through-hole, and the oil guiding groove communicates with the oil delivery channel.

[0012] Based on the above solution, the oil guiding groove is provided between the upper housing and the lower housing.

[0013] Based on the above solution, the upper housing is provided with a through-hole, and the lower housing is provided with a mounting hole corresponding to the orifice of the through-hole; when the upper housing and the lower housing are connected by the fastener, the through-hole and the mounting hole form the mounting through-hole.

[0014] Based on the above solution, a first groove and a second groove are respectively provided on one side of the through-hole and the mounting hole opposite to each other; when the upper housing and the lower housing are connected by the fastener, the first groove and the second groove form the oil guiding groove.

[0015] Based on the above solution, a second sealing ring is provided between the through-hole and the mounting hole, and the second sealing ring abuts against the inner wall of the oil guiding groove.

[0016] Compared with the prior art, the present utility model has the following beneficial effects: The present device provides a brake caliper applied to a bicycle, including a caliper housing and a braking assembly; the caliper housing includes an upper housing, a lower housing, and a fastener for connecting the upper housing and the lower housing; when the upper housing and the lower housing are connected by the fastener, a mounting through-hole adapted for mounting the fastener is provided on the caliper housing; an oil delivery channel communicating with the mounting through-hole is further provided on the caliper housing, wherein the oil delivery channel is provided on both the upper housing and the lower housing; an oil guiding groove communicating with the oil delivery channel is provided on the inner wall of the mounting through-hole; by providing a mounting through-hole adapted for the fastener on the caliper housing and an oil guiding groove communicating with the oil delivery channel in the mounting through-hole, the mounting through-hole can replace the oil delivery channel to transfer brake fluid, reducing the opening of the oil delivery channel on the brake caliper, and thus reducing the manufacturing difficulty of the brake caliper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the attached drawings required for the embodiments. It should be understood that the following attached drawings only show some embodiments of the present utility model, and thus should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related attached drawings can also be obtained based on these attached drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the brake caliper of the present utility model.

[0019] Figure 2 is Figure 1 A schematic diagram of the structure from another perspective.

[0020] Figure 3 It is an exploded view of a part of the brake caliper of the present utility model.

[0021] Figure 4 It is a top view of a part of the brake caliper of the present utility model.

[0022] Figure 5 is Figure 4 The cross-sectional view of A - A in

[0023] Figure 6 is Figure 5 The enlarged view of part A in

[0024] Figure 7 is Figure 4 The cross-sectional view of B - B in

[0025] Figure 8 is Figure 4 The cross-sectional view of C - C in

[0026] Figure 9 It is a schematic diagram of the connection between the oil storage cavity and the oil delivery channel in the brake caliper of the present utility model.

[0027] As shown in the figure: brake caliper 200; caliper housing 10, upper housing 101, lower housing 102, fastener 103, connecting member 104, oil injection hole 105, seal 106; braking assembly 20, brake pad 201, piston 202, spring piece 203; fixing member 30, mounting bracket 40, oil inlet pipe 50, seal sleeve 60, first sealing ring 70, second sealing ring 80, mounting through hole 90, through hole 901, mounting hole 902, oil guiding groove 903, first groove 9031, second groove 9032; oil delivery channel 100, mounting groove 110, third sealing ring 120. Detailed implementation manners

[0028] In order to make the objectives, technical solutions, and beneficial technical effects of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are only for explaining the present utility model and are not intended to limit the present utility model.

[0029] It should also be understood that the terms used in this specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. As used in this specification of the present utility model and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms.

[0030] It should be further understood that the term "and / or" used in this specification of the present utility model and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0031] As Figure 1-2 shown, the present application provides a brake caliper 200 applied to a bicycle. The brake caliper 200 can be applied to the front and rear calipers in a bicycle braking system. The brake caliper 200 locks the brake pads by compressing brake oil to provide braking force for the bicycle to achieve the purpose of deceleration or braking. It should be noted that the present application will take the structure of the front caliper in the bicycle braking system as an example for illustration.

[0032] Specifically, the brake caliper 200 includes a caliper housing 10 and a braking assembly 20 provided on the caliper housing 10. The braking assembly 20 is used to provide braking force for the bicycle to achieve the purpose of deceleration or braking. A through groove (not shown) is provided on the caliper housing 10, and the braking assembly 20 is installed in the through groove through a fixing member 30. The fixing member 30 can be a structural member with a connection function such as a screw or a bolt. It can be understood that the braking assembly 20 is installed on the caliper housing 10 through the fixing member 30, and the caliper housing 10 should be provided with a structure adapted to the use of the fixing member 30, such as an internal thread structure adapted to the use of a bolt.

[0033] The caliper housing 10 is the main structure of the brake caliper 200. An installation bracket 40 is integrally provided on the caliper housing 10, and the installation bracket 40 can facilitate the installation of the caliper housing 10 on the bicycle.

[0034] An oil inlet through hole (not shown) is provided on the caliper housing 10, and the oil inlet through hole is connected to an oil inlet pipe 50. Further, the oil inlet pipe 50 is installed in the oil inlet through hole through a sealing sleeve 60 to ensure the sealed connection between the oil inlet pipe 50 and the caliper housing 10 and guarantee the performance of the brake caliper 200.

[0035] Please refer to Figure 3-6 simultaneously. The caliper housing 10 includes an upper housing 101, a lower housing 102, and a fastener 103. The fastener 103 is used to connect the upper housing 101 and the lower housing 102. When the upper housing 101 and the lower housing 102 are connected by the fastener 103 (specifically refer to Figure 5-6 ), an installation through hole 90 adapted to the installation of the fastener 103 is provided on the caliper housing 10. An oil delivery channel 100 communicating with the installation through hole 90 is further provided on the caliper housing 10, and the oil delivery channel 100 is provided on both the upper housing 101 and the lower housing 102. It can be understood that the installation through hole 90 connects the upper housing 101 and the lower housing 102, and cooperates with the fastener 103 to fix the upper housing 101 and the lower housing 102. Further, a first sealing ring 70 is sleeved on the fastener 103, and the first sealing ring 70 is used to enhance the sealing effect of the fastener 103 on the installation through hole 90.

[0036] The braking assembly 20 includes a brake pad 201 and a piston 202 that pushes the brake pad 201 to move. Installation grooves 110 adapted to the installation of the piston 202 are provided on both the upper housing 101 and the lower housing 102, and the installation grooves 110 communicate with the installation through hole 90 through the oil delivery channel 100. An oil storage cavity (not shown) is formed between the side of the piston 202 away from the brake pad 201 and the installation groove 110, that is, the oil delivery channel 100 communicates with the oil storage cavity, the installation through hole 90, and the oil inlet pipe 50. The brake caliper 200 squeezes the brake oil in the oil storage cavity to push the piston 202 to move, driving the brake pad 201 to brake the bicycle and providing braking force. Further, a sealing ring (not shown) is provided between the installation groove 110 and the piston 202, and a limiting groove (not shown) adapted to the sealing ring is provided on the inner wall of the installation groove 110. This setting can enhance the sealing effect of the oil storage cavity when the piston 202 approaches or moves away from the brake pad 201, and prevent the brake oil in the oil storage cavity from flowing out through the gap between the installation groove 110 and the piston 202.

[0037] The braking assembly 20 further includes a spring piece 203, and the spring piece 203 is located on the side of the brake pad 201 away from the piston 202. When the piston 202 moves away from the brake pad 201, the spring piece 203 can drive the brake pad 201 to reset, so as to prevent the brake pad 201 from contacting the brake disc, causing unnecessary wear and affecting the riding experience of the bicycle.

[0038] Specifically, the upper housing 101 is provided with a through hole 901, and the lower housing 102 is provided with an installation hole 902 corresponding to the orifice of the through hole 901 (specifically refer to Figure 5); When the upper housing 101 and the lower housing 102 are connected by the fastener 103, the through hole 901 and the mounting hole 902 form the mounting through hole 90 to cooperate with the use of the fastener 103 to connect the upper housing 101 and the lower housing 102; It should be noted that the fastener 103 can be a structure with a connection function such as a bolt or a screw; If the fastener 103 is a bolt, a structure matching the use of the bolt should be provided in the mounting through hole 90. For example, an internal thread structure adapted to the use of the bolt.

[0039] More specifically, an oil guide groove 903 is provided on the inner wall of the mounting through hole 90 (specifically refer to Figure 6 ), the oil guide groove 903 communicates with the oil delivery channel 100; The oil guide groove 903 is provided between the upper housing 101 and the lower housing 102; First grooves 9031 and second grooves 9032 are respectively provided on the opposite sides of the through hole 901 and the mounting hole 902; When the upper housing 101 and the lower housing 102 are connected by the fastener 103, the first groove 9031 and the second groove 9032 form the oil guide groove 903. By providing the oil guide groove 903 and the mounting through hole 90, the oil delivery channels 100 on the upper housing 101 and the lower housing 102 can be communicated; Further, to improve the sealing effect between the through hole 901 and the mounting hole 902, a second sealing ring 80 is provided between the through hole 901 and the mounting hole 902, and the second sealing ring 80 abuts against the inner wall of the oil guide groove 903.

[0040] Please refer to Figure 7-9 , a connecting member 104 and an oil injection hole 105 are further provided on the caliper housing 10; The connecting member 104 is used to connect the upper housing 101 and the lower housing 102, and the function of the connecting member 104 is the same as that of the fastener 103; The oil injection hole 105 is provided on the lower housing 102, the oil injection hole 105 communicates with the oil delivery channel 100, and a sealing member 106 is installed in the oil injection hole; The oil inlet pipe 50 is provided on the lower housing 102, and the oil inlet pipe 50 communicates with the oil delivery channel 100 located on the lower housing 102; It should be noted that to ensure the flow of brake fluid on the caliper housing 10, the oil delivery channel 100 located on the upper housing 101 communicates with the oil delivery channel 100 located on the lower housing 102, that is, as Figure 8As shown in the figure; further, to ensure the sealing performance of the oil delivery channels 100 located in the upper housing 101 and the oil delivery channels 100 located in the lower housing 102, a third sealing ring 120 is provided between the upper housing 101 and the lower housing 102; it should be noted that since the brake caliper 200 is a double-cylinder caliper, there are two oil storage chambers provided on both the upper housing 101 and the lower housing 102. In this application, the two oil storage chambers located in the upper housing 101 are connected in communication, the two oil storage chambers located in the lower housing 102 are connected in communication, and all the oil storage chambers located on the caliper housing 10 are connected through the oil delivery channels 100 (please refer to Figure 9 ) specifically, that is, when the brake oil in the oil storage chamber is compressed, all the pistons 202 on the brake caliper 200 can move simultaneously, improving the braking effect on the bicycle.

[0041] In summary, the present application provides a brake caliper 200 applied to a bicycle, including a caliper housing 10 and a braking assembly 20, and the braking assembly 20 is used to brake the bicycle; the caliper housing 10 includes an upper housing 101, a lower housing 102, and a fastener 103, and the fastener 103 is used to connect the upper housing 101 and the lower housing 102; when the upper housing 101 and the lower housing 101 are connected through the fastener 103, an installation through-hole 90 adapted to the installation of the fastener 103 is provided on the caliper housing 10; an oil delivery channel 100 communicating with the installation through-hole 90 is further provided on the caliper housing 10; by providing an installation through-hole 90 adapted to the fastener on the caliper housing 10 and providing an oil guiding groove 903 communicating with the oil delivery channel 100 in the installation through-hole 90, the installation through-hole 90 can replace the oil delivery channel 100 to transfer the brake oil, reducing the opening of the oil delivery channel 100 on the brake caliper 10, reducing the manufacturing difficulty of the brake caliper 10, and further reducing the number of oil injection holes 105 on the brake caliper 200, improving the aesthetics of the brake caliper 200.

[0042] The present invention is not limited only to what is described in the specification and embodiments. Therefore, for those skilled in the art, additional advantages and modifications can be easily achieved. Thus, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to specific details, representative devices, and the illustrated examples shown and described herein.

Claims

1. A brake caliper applied to a bicycle, characterized in that: It includes a caliper housing and a braking assembly provided on the caliper housing, and the braking assembly is used to brake a bicycle; The caliper housing includes an upper housing, a lower housing, and a fastener for connecting the upper housing and the lower housing; When the upper housing and the lower housing are connected by the fastener, the caliper housing is provided with an installation through hole adapted to the installation of the fastener; the caliper housing is also provided with an oil delivery channel communicating with the installation through hole.

2. The brake caliper applied to a bicycle according to claim 1, characterized in that: The oil delivery channels are provided on both the upper housing and the lower housing.

3. The brake caliper applied to a bicycle according to claim 1, characterized in that: A first sealing ring is sleeved on the fastener.

4. The brake caliper applied to a bicycle according to claim 2, wherein: The braking assembly includes a brake pad and a piston for pushing the brake pad to move; installation grooves adapted to the installation of the piston are provided on both the upper housing and the lower housing, and the installation grooves communicate with the installation through hole through the oil delivery channel.

5. The brake caliper applied to a bicycle according to claim 2, wherein: An oil guiding groove is formed on the inner wall of the installation through hole, and the oil guiding groove communicates with the oil delivery channel.

6. The brake caliper applied to a bicycle according to claim 5, characterized in that: The oil guiding groove is provided between the upper housing and the lower housing.

7. The brake caliper applied to a bicycle according to claim 5, wherein: The upper housing is provided with a through hole, and the lower housing is provided with an installation hole corresponding to the orifice of the through hole; when the upper housing and the lower housing are connected by the fastener, the through hole and the installation hole form the installation through hole.

8. The brake caliper applied to a bicycle according to claim 7, characterized in that: First grooves and second grooves are respectively provided on one side of the through hole and the installation hole opposite to each other; when the upper housing and the lower housing are connected by the fastener, the first groove and the second groove form the oil guiding groove.

9. The brake caliper applied to a bicycle according to claim 7, characterized in that: A second sealing ring is provided between the through hole and the installation hole, and the second sealing ring abuts against the inner wall of the oil guiding groove.

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