Integrated symmetrical oil injection device suitable for left brake handle and right brake handle

Abstract

The utility model discloses an integrated symmetrical oil injection device suitable for a left brake handle and a right brake handle, which comprises a pump body connected to the brake handle, an upper pump piston connected to the brake handle, a lower pump piston connected to the upper pump piston and a lower pump piston connected to the lower pump piston, and the end part of the brake handle is hinged to the pump body which is of a symmetrical structure relative to the brake handle and is suitable for the left brake handle and the right brake handle. The moving end of the upper pump piston is arranged in the pump body, and the fixed end of the upper pump piston is connected to the brake handle. An oil pot is omitted, the brake handle is directly connected with the pump body, an integrated structure of the oil pot and the pump body is formed, external oil pipes are reduced, oil leakage nodes are reduced, the pump body is of a symmetrical structure, the brake handle can be used for a left handle and a right handle, mold opening of the two handles is not needed, production cost is low, and universality is high.

Description

Technical Field

[0001] The utility model relates to a brake oil injection device, in particular to an integrated symmetrical oil injection device suitable for left and right brake handles. Background Art

[0002] Currently, the brake handle of the handlebar has an oil pot, an upper pump and a lower pump structure. The oil pot is externally connected to the outside of the handle to provide brake oil to the upper pump. The external oil pot will have multiple oil leakage nodes during assembly, the oil stroke is long, the braking response time is long, the stability is low, the production qualification rate is low, and the safety performance is not high. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides an integrated symmetrical oil filling device suitable for left and right brake handles. The utility model eliminates the oil pot and directly connects the brake handle with the pump body to form an integrated structure of the oil pot and the pump body, thereby reducing external oil pipes and reducing oil leakage nodes. The pump body has a symmetrical structure and can be used on left and right handles. There is no need to open molds for both handles, so the production cost is low and the versatility is strong.

[0004] In order to achieve the above-mentioned technical objectives, the utility model adopts the following technical solutions: an integrated symmetrical oil filling device suitable for left and right brake handles, comprising a pump body connected to the brake handle, the end of the brake handle being hinged to the pump body, the pump body having a symmetrical structure with the brake handle so as to be suitable for the left and right brake handles, and also comprising an upper pump piston connected to the brake handle, the moving end of the upper pump piston being arranged in the pump body and the fixed end being connected to the brake handle.

[0005] Furthermore, two symmetrical hinged plates are provided at the end of the pump body, and the end of the brake handle is connected to the hinged plates.

[0006] Furthermore, a piston cavity is provided at the end of the pump body, and the piston cavity is used for installing the upper pump piston.

[0007] Furthermore, the two side walls of the pump body are also provided with symmetrical vent holes, and when in use, one of the vent holes is selected as the vent hole, and the other vent hole is blocked, and the selected vent hole is connected to the piston cavity and is equipped with a vent nozzle.

[0008] Furthermore, the pump body is also provided with an oil chamber, and a through hole and an oil replenishing hole are provided between the oil chamber and the piston chamber; the through hole is located at an end of the oil replenishing hole away from the brake handle.

[0009] Furthermore, the oil chamber is provided with an oil cup hole for installing the oil cup; the oil chamber is also provided with an opening and a plug is arranged in the opening.

[0010] Furthermore, an end cover is provided at the end of the pump body, and the end cover is fixed to the fastening hole at the end of the pump body by bolts.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The utility model eliminates the existing oil pot, and the oil storage cavity is built into the pump body to form an integrated structure, which reduces the external oil pot and the oil leakage points, shortens the oil travel, shortens the braking reaction time, has good stability and high safety performance;

[0013] The pump body of the utility model has a symmetrical structure and can be used on left and right handles, has strong versatility and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides an integrated symmetrical oil injection device suitable for left and right brake handles;

[0015] Figure 2 yes Figure 1 Another angle diagram of the;

[0016] Figure 3 It is a schematic diagram of the pump body;

[0017] Figure 4 This is a schematic diagram of the pump body from another angle;

[0018] Figure 5 yes Figure 1 Schematic cross-section diagram of . DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0025] Example:

[0026] Figure 1 It is an integrated symmetrical oil injection device suitable for left and right brake handles. Figure 2 It is a schematic diagram from another angle, including a pump body 1 connected to a brake handle 2, wherein the end of the brake handle 2 is hinged to the pump body 1, and the pump body 1 has a symmetrical structure with the brake handle 2 so as to be suitable for left and right brake handles, and also includes an upper pump piston 6 connected to the brake handle 2, wherein the moving end of the upper pump piston 6 is arranged in the pump body 1 and the fixed end is connected to the brake handle 2.

[0027] The utility model directly connects the brake handle to the pump body, cancels the previous oil pot structure, combines the oil pot structure and the upper pump into the pump body, does not need to connect other products, reduces oil leakage nodes, and improves the stability, qualified rate and safety of the entire product. At the same time, the oil is directly stored in the pump, the oil stroke is short, the braking reaction time is short, and the safety performance is high.

[0028] Figure 3This is a schematic diagram of the pump body. Figure 4 It is a schematic diagram of the pump body from another angle. Two symmetrical hinge plates 101 are provided at the end of the pump body 1 , and the end of the brake handle 2 is connected to the hinge plates 101 .

[0029] The end of the pump body 1 is provided with a piston cavity 103, and the piston cavity 103 is used to install the upper pump piston 6. The two side walls of the pump body 1 are also provided with symmetrical vent holes 104, and when in use, one of the vent holes 104 is selected as the vent hole, and the other vent hole 104 is blocked. The selected vent hole 104 is connected with the piston cavity 103 and is installed with a vent nozzle 5. The pump body 1 is a symmetrical structure. During processing, one of the two vent holes 104 is selected to be opened as the vent hole (an additional hole can be opened after processing), and the other is not processed. This symmetrical structure can be adapted to the left and right sides, and a mold can be shared, which saves the cost of the mold and has strong versatility.

[0030] like Figure 4 As shown, the pump body 1 is further provided with an oil chamber 105, and a through hole 108 and an oil replenishing hole 107 are provided between the oil chamber 105 and the piston chamber 103. Figure 5 Shown, Figure 5 yes Figure 1 A cross-sectional diagram of Figure 5 The through hole 108 is located at the end of the oil filling hole 107 away from the brake handle 2. The piston sealing leather cup will generate pressure after passing through the through hole 108, the brake handle 2 provides thrust, and the upper pump piston 6 is pressed down to generate pressure. When the brake handle 2 is retracted, the oil is replenished through the oil filling hole 107.

[0031] The oil chamber 105 is provided with an oil cup hole 102 for installing the oil cup 4 ; the oil chamber 105 is also provided with an opening and a plug 8 is arranged in the opening.

[0032] The end of the pump body 1 is also provided with an end cover 3, and the end cover 3 is fixed to the fastening hole 106 at the end of the pump body 1 by bolts 7, and is used to be fixed to the handle pipe hole.

[0033] Working principle:

[0034] The brake handle 2 is pressed down to give a thrust to the upper pump piston 6. After one of the leather cups of the upper pump piston 6 passes through the through hole 108, a sealing pressure is formed in the piston chamber 103, providing pressure to the lower pump cylinder, so that it brakes safely;

[0035] When the brake handle 2 is released, the upper pump piston 6 spring returns to its original position, and the leather cup returns to the position before the through hole 108. The liquid in the piston cavity 103 is connected to the oil cavity 105, and there is no pressure in the brake system, so that the vehicle can run normally.

[0036] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An integrated symmetrical oil injection device suitable for left and right brake handles, comprising a pump body (1) connected to the brake handle (2), characterized in that: The end of the brake handle (2) is hinged to the pump body (1), and the pump body (1) is symmetrical with the brake handle (2) so as to be suitable for left and right brake handles, and also includes an upper pump piston (6) connected to the brake handle (2), wherein the moving end of the upper pump piston (6) is arranged in the pump body (1) and the fixed end is connected to the brake handle (2).

2. The integrated symmetrical oil injection device suitable for left and right brake handles according to claim 1, characterized in that: Two symmetrical hinge plates (101) are provided at the end of the pump body (1), and the end of the brake handle (2) is connected to the hinge plates (101).

3. The integrated symmetrical oil injection device applicable to left and right brake handles according to claim 1, characterized in that: A piston cavity (103) is provided at the end of the pump body (1), and the piston cavity (103) is used for installing the upper pump piston (6).

4. The integrated symmetrical oil injection device applicable to left and right brake handles according to claim 3, characterized in that: The two side walls of the pump body (1) are also provided with symmetrical vent holes (104), and when in use, one of the vent holes (104) is selected as the vent hole, and the other vent hole (104) is blocked. The selected vent hole (104) is communicated with the piston chamber (103) and is provided with a vent nozzle (5).

5. The integrated symmetrical oil injection device applicable to left and right brake handles according to claim 4, characterized in that: The pump body (1) is also provided with an oil chamber (105), and a through hole (108) and an oil replenishing hole (107) are provided between the oil chamber (105) and the piston chamber (103); the through hole (108) is located at the end of the oil replenishing hole (107) away from the brake handle (2).

6. The integrated symmetrical oil injection device applicable to left and right brake handles according to claim 5, characterized in that: The oil chamber (105) is provided with an oil cup hole (102) for installing an oil cup (4); the oil chamber (105) is also provided with an opening, and a plug (8) is arranged in the opening.

7. The integrated symmetrical oil injection device applicable to left and right brake handles according to claim 1, characterized in that: An end cover (3) is also provided at the end of the pump body (1), and the end cover (3) is fixed to a fastening hole (106) at the end of the pump body (1) by means of bolts (7).

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