Convenient liquid injection hydraulic brake caliper

Abstract

The utility model relates to a hydraulic brake calliper of convenient liquid injection, including the calliper body that is combined by first caliper body and second caliper body, the calliper body includes the brake groove part that is arranged with brake part, still include: piston groove, its number is two groups, and each group number is at least one, two groups piston groove are respectively set up on the opposite wall surface of first caliper body and second caliper body corresponding brake groove part, and brake piston is movably assembled in piston groove, rotary oil circuit, it is set up in calliper body and includes Y type passage through two groups piston groove, two first openings located Y type passage same side end, and second opening located Y type passage other side end, plug pin, its number is two and can be detachably assembled on two first openings respectively, the utility model can realize the convenient oil injection of Y type oil circuit hydraulic brake calliper.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic brake accessories technology, specifically to a hydraulic brake caliper that is easy to inject fluid into. Background Technology

[0002] Hydraulic braking systems play a crucial role in vehicles, and the hydraulic circuit design of the caliper directly affects braking performance and maintenance efficiency. In existing technologies, hydraulic calipers primarily employ either a Y-type or a loop-type hydraulic circuit layout. During the lubrication process, the hydraulic fluid must fully replace any air in the circuit; residual air directly weakens the braking effect, leading to sluggish piston pressure regulation and impacting braking reliability and safety.

[0003] Among them, the Y-type hydraulic circuit is more compact and has a shorter circuit path than the loop-type hydraulic circuit, resulting in a faster braking response and wider application. However, its structural characteristics make it easy for air to accumulate in the dead corners at the end of the hydraulic circuit during the oil injection process. It is difficult to completely remove the air by conventional methods and usually requires the assistance of vacuum equipment, which significantly increases the equipment investment cost and maintenance complexity.

[0004] To address this, we propose a convenient hydraulic brake caliper for injection. Utility Model Content

[0005] This application provides a hydraulic brake caliper that is easy to inject fluid into, so as to at least solve the problems of difficulty in injecting fluid and slow braking response in existing hydraulic braking systems.

[0006] This application provides a convenient hydraulic brake caliper for injection, comprising a caliper body formed by combining a first caliper body and a second caliper body. The caliper body includes a brake groove with a braking element disposed thereon, and further includes: The piston grooves are in two sets, and each set contains at least one piston groove. The two sets of piston grooves are respectively opened on the opposing wall surfaces of the first clamp and the second clamp corresponding to the brake groove. A brake piston is movably assembled in each piston groove. The rotary oil passage is located in the caliper body and includes a Y-shaped passage that passes through the two sets of piston grooves, two first openings located at the same end of the Y-shaped passage, and a second opening located at the other end of the Y-shaped passage. Two plugs are provided, each detachably mounted on one of the two first openings. In the case of liquid injection or replenishment, both plug bolts are removed from the first opening. Oil is injected into the two first openings at the same time and flows bidirectionally through the Y-shaped passage. Air or waste liquid is discharged from the second opening to facilitate liquid injection. When the vehicle is in the loaded state, the two plug bolts seal the two first openings to enable the Y-shaped passage to respond quickly to braking.

[0007] Optionally, it also includes: an oil injection pipe having a first port connected to an external oil source and two second ports respectively connected to the first port.

[0008] Optionally, the two first openings are respectively opened on the first clamp body and the second clamp body.

[0009] Optionally, the plug is a countersunk bolt, and the body of the plug is assembled with the first open thread; The plug is fitted with a sealing ring that mates with the inner wall of the first opening to seal the first opening.

[0010] Optionally, the first clamp and the second clamp are fixedly assembled by a number of clamp bolts.

[0011] Optionally, the braking element includes: Brake pad bracket, which is U-shaped and has mounting parts formed at both free ends; Two brake pads are symmetrically arranged on the two mounting parts and respectively abut against two sets of pistons to clamp and brake the brake disc assembled between the two brake pads. A guide pin is inserted through the brake pad bracket and fixed to the caliper body to position the brake pad bracket and the two brake pads within the brake groove.

[0012] Optionally, an oil pipe is fitted onto the second opening via a union bolt to freely adjust the access angle of the oil pipe.

[0013] Optionally, the caliper body is integrally formed with a caliper seat portion for fixing the caliper body to the front / rear brake disc of the vehicle body by screws.

[0014] Compared with related technologies, the convenient fluid injection hydraulic brake caliper provided in this application has at least the following technical advantages: By using a combination of two first openings and plugs, during fluid injection or replenishment, fluid is simultaneously injected through both first openings and flows bidirectionally through the Y-shaped passage. Air or waste fluid is discharged through the second opening, facilitating fluid injection and air removal. This effectively solves the problems of inconvenient fluid injection and air accumulation in traditional Y-shaped hydraulic circuits. During vehicle braking, the two first openings of the Y-shaped hydraulic circuit are closed, resulting in a single-opening Y-shaped passage, consistent with traditional Y-shaped hydraulic circuit calipers, offering the advantage of rapid response.

[0015] Details of one or more embodiments of this application are set forth in the following drawings and description to make other features, objects and advantages of this application more readily apparent. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a perspective view of a conveniently injectable hydraulic brake caliper according to an exemplary embodiment.

[0018] Figure 2 This is an exploded view of a conveniently injectable hydraulic brake caliper according to an exemplary embodiment.

[0019] Figure 3 This is a three-dimensional diagram illustrating the fluid circuit of a conveniently fluid-filled hydraulic brake caliper in the fluid filling or replenishment state, according to an exemplary embodiment.

[0020] Figure 4 This is a three-dimensional diagram showing the oil circuit of a conveniently injectable hydraulic brake caliper in a vehicle-mounted state, according to an exemplary embodiment.

[0021] Figure 5 This is a schematic diagram of the hydraulic circuit for filling or replenishing fluid in a conveniently filled hydraulic brake caliper, according to an exemplary embodiment.

[0022] Figure 6 This is a schematic diagram of the hydraulic circuit of a conveniently injectable hydraulic brake caliper in a vehicle-mounted state, according to an exemplary embodiment.

[0023] Explanation of reference numerals in the attached drawings: caliper body 10; first caliper body 101; second caliper body 102; caliper body bolt 103; brake groove 104; caliper seat 105; Rotary oil passage 20; Y-shaped passage 201; first opening 202; second opening 203; piston groove 204; Plug 30; Brake component 40; Brake pad 401; Brake pad bracket 402; Guide pin 403; Oil pipe 50; union bolt 501; piston 60; oil injection pipe 70; first port 701; second port 702. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] In related technologies, the Y-type hydraulic circuit is more compact and has a shorter path than the loop-type hydraulic circuit, resulting in a faster braking response and wider application. However, its structural characteristics make it easy for air to accumulate in dead corners at the end of the hydraulic circuit during the injection process. This air is difficult to completely remove using conventional methods and usually requires the assistance of vacuum equipment, which significantly increases equipment investment costs and maintenance complexity.

[0028] Based on the above, this utility model provides a convenient hydraulic brake caliper for injection, which will be described in detail below with reference to specific embodiments and accompanying drawings.

[0029] Example 1 This utility model provides a convenient hydraulic brake caliper for fluid injection. Figure 1 This is a perspective view of a conveniently injectable hydraulic brake caliper according to an exemplary embodiment. Figure 2 This is an exploded view of a conveniently injectable hydraulic brake caliper according to an exemplary embodiment. Figure 3 This is a three-dimensional diagram illustrating the fluid circuit of a conveniently fluid-filled hydraulic brake caliper in the fluid filling or replenishment state, according to an exemplary embodiment. Figure 4 This is a three-dimensional diagram showing the oil circuit of a conveniently injectable hydraulic brake caliper in a vehicle-mounted state, according to an exemplary embodiment. Figure 5 This is a schematic diagram of the hydraulic circuit for filling or replenishing fluid in a conveniently filled hydraulic brake caliper, according to an exemplary embodiment. Figure 6 This is a schematic diagram of the hydraulic circuit in a vehicle-mounted configuration, illustrating a conveniently injectable hydraulic brake caliper according to an exemplary embodiment. (As shown...) Figures 1-6As shown, the convenient hydraulic brake caliper includes a caliper body 10 formed by combining a first caliper body 101 and a second caliper body 102. The first caliper body 101 and the second caliper body 102 are fixedly assembled by a plurality of caliper body bolts 103. It can be understood that the caliper body 10 is usually composed of two or more parts for easy manufacturing and assembly. The caliper body 10 includes a brake groove 104 on which a brake element 40 is arranged, and also includes: There are two sets of piston grooves 104, with at least one in each set. The two sets of piston grooves 104 are respectively formed on the opposing wall surfaces of the brake groove 104 corresponding to the first clamp body 101 and the second clamp body 102. A brake piston 60 is movably mounted within each piston groove 104. In this embodiment, the number of pistons 60 corresponds to the number of piston grooves 204. A sealing ring groove is provided on the outer periphery of each piston 60 for installing a sealing ring to ensure a tight seal with the inner wall of the piston groove 204. The pistons 60 are precisely fitted into the piston grooves 204, ensuring smooth movement under hydraulic pressure and returning to their original position after the hydraulic pressure is released. When brake fluid enters the Y-shaped passage 201, it acts simultaneously and evenly on each piston 60, allowing the pistons 60 to move synchronously and push the brake element 40 to clamp and brake the brake disc.

[0030] The rotary oil passage 20 is disposed in the caliper body 10 and includes a Y-shaped passage 201 that passes through two sets of piston grooves 104, two first openings 202 located at the same end of the Y-shaped passage 201, and a second opening 203 located at the other end of the Y-shaped passage 201. Two plugs 30 are detachably mounted on the two first openings 202 respectively. By assembling and disassembling them, the hydraulic circuit working mode of the hydraulic brake caliper can be switched. In the state of injection or replenishment, both plug bolts 30 are away from the first opening 202. Oil is injected into both first openings 202 and flows bidirectionally through the Y-shaped passage 201. Air or waste liquid is discharged from the second opening 203. In this state, the oil circuit is configured as a three-opening passage that facilitates oil injection and air discharge. In the vehicle-mounted state, the two plug bolts 30 block the two first openings 202 to enable the Y-shaped passage 201 to respond quickly to braking. In this state, the oil circuit is configured as a single-opening passage to optimize braking response speed.

[0031] In the above embodiment, during injection or replenishment, oil is simultaneously injected through both first openings 202 and flows bidirectionally through the Y-shaped passage 201, while air or waste liquid is discharged through the second opening 203. This facilitates oil injection and air discharge, effectively solving the problems of inconvenient oil injection and easy air accumulation in traditional Y-shaped oil circuits. During vehicle braking, the two first openings 202 of the Y-shaped oil circuit structure are closed, and the Y-shaped passage 201 becomes a single-opening passage, consistent with traditional Y-shaped oil circuit calipers, offering the advantage of rapid response.

[0032] In one possible design, continue to refer to Figure 6 It also includes: It also includes an oil injection pipe 70, which has a first port 701 connected to an external oil source and two second ports 702 respectively connected to the first opening 202.

[0033] In the above embodiment, the oil injection pipe 70 is an accessory packaged and delivered with the hydraulic brake caliper. The oil injection pipe 70 is designed with a first oil injection port 701 and two second oil outlet ports 702, which can simultaneously inject oil into the two first openings 202. The injected oil can simultaneously pass through two sets of piston grooves 104 and push air or waste liquid to the second opening 203 for discharge. This prevents air from accumulating in dead corners at the end of the oil circuit, fully displacing the air and ensuring braking reliability and safety.

[0034] In one possible design, continue to refer to Figure 3 and Figure 6 The two first openings 202 are respectively opened on the first clamp body 101 and the second clamp body 102.

[0035] In the above embodiment, by arranging the first opening 202 and the second opening 203 on different clamp bodies, on the one hand, in conjunction with the Y-shaped oil circuit layout design, the oil circuit path lengths on the first clamp body 101 and the second clamp body 102 are basically the same; on the other hand, by separately forming openings on the first clamp body 101 and the second clamp body 102, the process difficulty can be reduced.

[0036] In one possible design, continue to refer to Figures 1-4 An oil pipe 50 is mounted on the second opening 203 via a live bolt 501 to freely adjust the access angle of the oil pipe 50.

[0037] In the above embodiment, the setting of the union bolt 501 can ensure that the oil pipe 50 can be connected at the best angle, avoid the oil pipe 50 from twisting or uneven stress, ensure the smooth flow of oil in the Y-shaped oil circuit, and improve the versatility and ease of installation of the product.

[0038] In one possible design, continue to refer to Figures 4-5The plug 30 is a countersunk bolt, and the plug body of the plug 30 is threadedly assembled with the first opening 202. The plug 30 is fitted with a sealing ring that matches the inner wall of the first opening 202 to seal the first opening 202. In this embodiment, the sealing ring can be made of an oil-resistant, high-temperature-resistant, and wear-resistant elastic material, such as nitrile rubber, fluororubber, or silicone rubber, to adapt to the working environment of the brake fluid.

[0039] In the above embodiment, the plug 30 adopts a countersunk bolt design and, in conjunction with a sealing ring, effectively solves the problem of insufficient sealing performance of the plug 30. Specifically, the countersunk bolt design ensures a smooth surface after installation of the plug 30, reducing external interference and facilitating operation and maintenance. The threaded assembly provides a reliable detachable fixing method, ensuring the stability and convenience of the plug 30 when switching between oil filling and vehicle loading states.

[0040] In one possible design, refer to Appendix Figure 4 Braking component 40 includes: Brake pad bracket 402 is U-shaped and has mounting parts formed at both free ends; There are two brake pads 401, which are symmetrically arranged on two mounting parts and respectively abut against two sets of piston parts 60 to clamp and brake the brake disc assembled between the two brake pads 401. The guide pin 403 is inserted through the brake pad bracket 402 and fixed on the caliper body 10 to position the brake pad bracket 402 and the two brake pads 401 in the brake groove 104.

[0041] In the above embodiment, the two brake pads 401 are symmetrically arranged and respectively abut against the two sets of pistons 60, so that the pushing force generated by the pistons 60 can be transmitted to the brake disc synchronously and evenly, thereby effectively avoiding the one-sided braking effect, ensuring the balanced application of braking force, and improving the balance and reliability of clamping the brake disc.

[0042] In one possible design, the caliper body 10 has an integrally formed caliper seat portion 105 for fixing the caliper body 10 to the front / rear brake disc of the vehicle body using screws. In this embodiment, the caliper seat portion 105 solves the problems of unstable fixing and complex installation of the caliper body 10. Its integral design eliminates the risk of loosening that may exist with traditional split caliper seats, improving the overall structural strength and rigidity of the caliper body 10.

[0043] In summary, the convenient hydraulic brake caliper provided by this embodiment allows for simultaneous injection of hydraulic fluid through both first openings 202 during injection or replenishment. The fluid flows bidirectionally through the Y-shaped passage 201, while air or waste fluid is discharged through the second opening 203. This facilitates fluid injection and air removal, effectively solving the problems of inconvenient fluid injection and air accumulation in traditional Y-shaped hydraulic circuits. During vehicle braking, the two first openings 202 of the closed Y-shaped hydraulic circuit structure result in a single-opening Y-shaped passage 201, consistent with traditional Y-shaped hydraulic circuit calipers, offering the advantage of rapid response.

[0044] In one example, during the initial lubrication on the production line or when the vehicle needs additional lubrication during later maintenance, the operator first removes the two plugs 30 from the two first openings 202. At this point, the three openings of the Y-shaped passage 201 are connected. The operator then simultaneously injects brake fluid through the lubrication pipe 70 into the two first openings 202. Due to the circulation characteristics of the Y-shaped passage 201, the injected brake fluid can be simultaneously propelled into the two sets of piston grooves 204. During the flow, air or any potentially contaminated fluid inside the oil passage is expelled through the second opening 203, ensuring complete removal of air from the oil passage and simplifying the lubrication operation.

[0045] After the oil filling and bleed processes are completed, the vehicle enters the loading or normal operating state. At this time, the operator re-screws the two plugs 30 and seals the two first openings 202. This leaves only the second opening 203 in the Y-shaped passage 201. With the Y-shaped hydraulic circuit configuration, the oil enters from the oil pipe 50 and flows directly to each piston groove 204, resulting in a short path, fast response, and rapid braking. When the driver holds the lever, the pressure generated by the brake pump is quickly transmitted to the piston 60 through the Y-shaped hydraulic circuit, pushing the brake pads 401 to clamp the brake disc, achieving rapid braking response and improving the stability and reliability of braking performance.

[0046] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above embodiments merely illustrate several implementation methods of this application, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A convenient hydraulic brake caliper for injection, comprising a caliper body formed by combining a first caliper body and a second caliper body, characterized in that, The caliper body includes a brake groove with a braking element, and further includes: The piston grooves are in two sets, and each set contains at least one piston groove. The two sets of piston grooves are respectively opened on the opposing wall surfaces of the first clamp and the second clamp corresponding to the brake groove. A brake piston is movably assembled in each piston groove. The rotary oil passage is located in the caliper body and includes a Y-shaped passage that passes through the two sets of piston grooves, two first openings located at the same end of the Y-shaped passage, and a second opening located at the other end of the Y-shaped passage. Two plugs are provided, each detachably mounted on one of the two first openings.

2. The hydraulic brake caliper as described in claim 1, characterized in that, It also includes: an oil injection pipe having a first port connected to an external oil source and two second ports respectively connected to the first port.

3. The hydraulic brake caliper as described in claim 1, characterized in that, The two first openings are respectively made on the first clamp body and the second clamp body.

4. The hydraulic brake caliper as described in claim 1, characterized in that, The plug is a countersunk bolt, and the body of the plug is assembled with the first open thread; The plug is fitted with a sealing ring that mates with the inner wall of the first opening to seal the first opening.

5. The hydraulic brake caliper as described in claim 1, characterized in that, The first clamp and the second clamp are fixedly assembled by a number of clamp bolts.

6. The hydraulic brake caliper as described in claim 1, characterized in that, The braking component includes: Brake pad bracket, which is U-shaped and has mounting parts formed at both free ends; Two brake pads are symmetrically arranged on the two mounting parts and respectively abut against two sets of pistons to clamp and brake the brake disc assembled between the two brake pads. A guide pin is inserted through the brake pad bracket and fixed to the caliper body to position the brake pad bracket and the two brake pads within the brake groove.

7. The hydraulic brake caliper as described in claim 1, characterized in that, An oil pipe is fitted onto the second opening via a union bolt to freely adjust the connection angle of the oil pipe.

8. The hydraulic brake caliper as described in claim 1, characterized in that, The caliper body has an integrally formed caliper seat portion for fixing the caliper body to the front / rear brake disc of the vehicle body by screws.

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