Hand brake pump

Abstract

The utility model provides a hand brake pump which comprises a pump body which comprises an installation cavity and an external connection edge, one side of the installation cavity is communicated with an external connection protruding part, the other side of the installation cavity is communicated with an oil nozzle opening, and the oil nozzle opening is provided with a connecting piece. The handle is connected with the pump body, the handle comprises a shifting piece end and a connecting end, and the connecting end is provided with a positioning hole and a clamping groove; the support is connected with the pump body, and the support is provided with a connecting hole and a mounting movable hole; the piston assembly is located in the mounting cavity and comprises an adjusting assembly and a spring, the piston assembly is provided with a shaft hole and an arc-shaped ring groove, the arc-shaped ring groove is provided with a return hole, and the spring is located in the piston assembly. The brake device has the advantages that the brake device is stable and simple in structure, the brake device is convenient to disassemble and assemble in the inspection and maintenance process through combination of multiple sets of components, and the stability of the brake process is guaranteed by increasing the compactness of the components.

Description

Technical Field

[0001] The utility model relates to the field of application of motorcycle accessories, in particular to a hand brake pump. Background Art

[0002] The handbrake handle is a manually driven tool that causes the motorcycle wheels to brake by manual drive.

[0003] Based on the improvement on the compactness and quick installation and production of the existing handbrake pump, a handbrake pump with stable braking and high compactness is now proposed to meet the existing needs. Utility Model Content

[0004] The utility model provides a hand brake pump to solve the above technical problems.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A hand brake pump, comprising:

[0007] The pump body comprises a mounting cavity and an external edge, wherein one side of the mounting cavity is connected to the external protrusion, and the other side is connected to the oil nozzle, and the oil nozzle is provided with a connecting piece;

[0008] A handle connected to the pump body, the handle comprising a paddle end and a connecting end, the connecting end being provided with a positioning hole and a clamping groove;

[0009] A bracket connected to the pump body, wherein the bracket is provided with a connecting hole and an installation activity hole;

[0010] The piston assembly is located in the mounting cavity and includes an adjustment assembly and a spring. The piston assembly is provided with an axial hole and an arcuate ring groove. The arcuate ring groove is provided with a return hole. The spring is located in the piston assembly. One end of the adjustment assembly presses against the piston assembly through the mounting cavity, and the other end is connected to the clamping groove. The adjustment assembly includes an adjustment rod and an adjusting button.

[0011] Furthermore, the piston assembly includes a main piston, a front leather cup and a rear leather cup. The main piston is provided with a groove one and an extended shaft column. The front leather cup is located in the groove one and includes a steel sheet. The rear leather cup is located in the extended shaft column and includes a ring two. The extended shaft column is provided with a groove two for limiting the ring two.

[0012] Furthermore, one end of the adjustment component is provided with an adjustment pin that is engaged with the engaging groove, and the other end of the adjustment component is provided with a limit assembly, the engaging groove is provided with a hole that matches the adjustment pin, and the installation cavity is provided with a limit groove that is engaged with the limit assembly.

[0013] Furthermore, the arc-shaped annular groove is matched with the oil nozzle port, and the oil nozzle port is provided with orifice 1 and orifice 2, and the orifice 2 is matched with the rear leather cup.

[0014] Furthermore, the limiting assembly includes a spacer, a gasket and a ring.

[0015] Furthermore, the external edge is provided with fixing holes, and the fixing holes are matched to connect the connecting hole and the positioning hole respectively.

[0016] Furthermore, the bracket includes an accessory 1 and an accessory 2, and the accessory 2 is connected to the accessory 1 via a movable bolt.

[0017] Furthermore, the front leather cup and the rear leather cup are both in a trumpet shape.

[0018] Furthermore, the adjustment rod is in the shape of a match.

[0019] Furthermore, the installation cavity is provided with a positioning groove for installing the spring, and one side of the positioning groove is a through hole of the external protrusion.

[0020] The beneficial effects of the utility model are as follows: the structure is stable and simple, and through the combination of multiple groups of components, it is easy to disassemble and install during inspection and maintenance. Secondly, by increasing the compactness between the components, the stability of the braking process is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0022] Figure 2 This is the second structural diagram of the utility model;

[0023] Figure 3 This is the third structural diagram of the utility model;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the pump body and piston assembly of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the piston assembly of the utility model. DETAILED DESCRIPTION

[0026] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0027] according to Figure 1-Figure 5 As shown,

[0028] A hand brake pump, comprising:

[0029] The pump body 1 includes a mounting cavity 11 and an external edge 12. One side of the mounting cavity 11 is connected to an external protrusion 14, and the other side is connected to an oil nozzle 13. The oil nozzle 13 is provided with a connecting piece 15.

[0030] A handle 2 connected to the pump body 1, the handle 2 comprising a paddle end 21 and a connection end 22, the connection end 22 being provided with a positioning hole 221 and a clamping groove 222;

[0031] A bracket 3 connected to the pump body 1, the bracket 3 is provided with a connecting hole 31 and an installation activity hole 32;

[0032] The piston assembly 4 is located in the installation cavity 11, and includes an adjustment assembly 5 and a spring 6. The piston assembly 4 is provided with an axial hole 401 and an arcuate annular groove 402. The arcuate annular groove 402 is provided with a return hole 403. The spring 6 is located in the piston assembly 4. One end of the adjustment assembly 5 presses against the piston assembly 4 through the installation cavity 11, and the other end is connected to the clamping groove 222. The adjustment assembly 5 includes an adjustment rod 51 and an adjusting button 52.

[0033] The piston assembly 4 includes a main piston 41, a front leather cup 42 and a rear leather cup 43. The main piston 41 is provided with a groove 1 411 and an extended shaft column 412. The front leather cup 42 is located in the groove 1 411 and includes a steel sheet 44. The rear leather cup 43 is located in the extended shaft column 412 and includes a ring 2 45. The extended shaft column 412 is provided with a groove 2 413 for limiting the ring 2 45. The above-mentioned combined piston assembly is convenient for inspection, replacement and maintenance.

[0034] One end of the adjustment component 5 is provided with an adjustment pin 7 which is engaged with the engaging groove 222, and the other end of the adjustment component 5 is provided with a limit component 8. The engaging groove 222 is provided with a hole for matching the adjustment pin 7, and the mounting cavity 11 is provided with a limit groove 111 which is engaged with the limit component 8. The stability of the structure is ensured by the compact connection between the above components.

[0035] The arcuate annular groove 402 is matched with the oil nozzle port 13. The oil nozzle port 13 is provided with an orifice 131 and an orifice 2 132. The orifice 2 132 is matched with the rear leather cup 43. The flexibility between the components is ensured by two groups of outlets.

[0036] The limiting assembly 8 includes a spacer 81, a gasket 82 and a collar 83, and the adjustment assembly 5 is preferably limited by the above components.

[0037] The outer edge 12 is provided with fixing holes 121 , and the fixing holes 121 are matched and connected to the connecting holes 31 and the positioning holes 221 respectively, and are connected to other components by means of holes.

[0038] The bracket 3 includes an accessory 1 301 and an accessory 2 302 . The accessory 2 302 is connected to the accessory 1 301 via a movable bolt, which is a universal fastening bracket style.

[0039] The front leather cup 42 and the rear leather cup 43 are both trumpet-shaped, and the sealing of the installation cavity and the piston assembly is ensured by the above structure.

[0040] The adjusting rod 51 is in the shape of a match, and the circular end thereof presses against the concave surface of the main piston to achieve a pressing brake effect.

[0041] The mounting cavity 11 is provided with a positioning groove 113 for mounting the spring 6 , one side of the positioning groove 113 is a through hole of the external protrusion 14 , and the spring 6 is stably mounted through the positioning groove 113 .

[0042] The second collar 45 and the first collar 83 are retaining springs. In this embodiment, they are installed and fixed by the movable retaining springs.

[0043] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A hand brake pump, characterized in that: include: The pump body comprises a mounting cavity and an external edge, wherein one side of the mounting cavity is connected to the external protrusion, and the other side is connected to the oil nozzle, and the oil nozzle is provided with a connecting piece; A handle connected to the pump body, the handle comprising a paddle end and a connecting end, the connecting end being provided with a positioning hole and a clamping groove; A bracket connected to the pump body, the bracket being provided with a connecting hole and an installation activity hole; The piston assembly is located in the mounting cavity and includes an adjustment assembly and a spring. The piston assembly is provided with an axial hole and an arcuate ring groove. The arcuate ring groove is provided with a return hole. The spring is located in the piston assembly. One end of the adjustment assembly presses against the piston assembly through the mounting cavity, and the other end is connected to the clamping groove. The adjustment assembly includes an adjustment rod and an adjusting button.

2. A hand brake pump according to claim 1, characterized in that: The piston assembly includes a main piston, a front leather cup and a rear leather cup. The main piston is provided with a groove one and an extended shaft column. The front leather cup is located in the groove one and includes a steel sheet. The rear leather cup is located in the extended shaft column and includes a ring two. The extended shaft column is provided with a groove two for limiting the ring two.

3. A hand brake pump according to claim 1, characterized in that: One end of the adjustment component is provided with an adjustment pin that is engaged with the engagement groove, and the other end of the adjustment component is provided with a limit assembly. The engagement groove is provided with a hole that matches the adjustment pin, and the installation cavity is provided with a limit groove that is engaged with the limit assembly.

4. A hand brake pump according to claim 2, characterized in that: The arc-shaped annular groove is matched with the oil nozzle port, and the oil nozzle port is provided with a first orifice and a second orifice, and the second orifice is matched with the rear leather cup.

5. A hand brake pump according to claim 3, characterized in that: The limiting assembly includes a spacer, a gasket and a collar.

6. A hand brake pump according to claim 1, characterized in that: The outer edge is provided with fixing holes, and the fixing holes are matched and connected to the connecting hole and the positioning hole respectively.

7. A hand brake pump according to claim 1, characterized in that: The bracket includes an accessory 1 and an accessory 2, and the accessory 2 is connected to the accessory 1 via a movable bolt.

8. A hand brake pump according to claim 2, characterized in that: The front leather cup and the rear leather cup are both in a trumpet shape.

9. A hand brake pump according to claim 1, characterized in that: The adjusting rod is in the shape of a match.

10. A hand brake pump according to claim 1, characterized in that: The installation cavity is provided with a positioning groove for installing the spring, and one side of the positioning groove is a through hole of the external protrusion.

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