Pump body assembling structure and linear pulling oil pressure conversion pump

Abstract

The utility model relates to a pump body assembling structure and a linear pulling oil pressure conversion pump. The pump body assembling structure comprises an integrated handlebar and a linear pulling oil pressure conversion pump, wherein the integrated handlebar comprises a handlebar transverse part and a handlebar vertical part; the handlebar vertical part is arranged on one side of the middle of the handlebar transverse part, an assembly cavity is formed in the position, corresponding to the handlebar vertical part, of the bottom end of the handlebar transverse part, the assembly cavity is provided with an expansion branch cavity extending into the handlebar vertical part, and the wire pulling oil pressure conversion pump is fixed in the assembly cavity. Hidden assembly of the wire pulling oil pressure conversion pump is achieved, and the whole vehicle is tidier and more attractive due to the design that the oil pipe and the pull wire are arranged in a hidden mode.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle and electric bicycle accessories, in particular to a pump body assembly structure and a wire-pull oil pressure conversion pump. Background Art

[0002] Cable-pulled hydraulic disc brake is a new type of disc brake on the market that combines cable-pulled disc brake and hydraulic disc brake. It has the advantages of cable-pulled disc brake and hydraulic disc brake, with lower cost and better braking experience.

[0003] The key component of the cable-pull oil disc is the cable-pull oil pressure conversion pump, which is used to convert the cable force of the cable brake handle into oil pressure and pump it to the oil pressure pump. The existing cable-pull oil pressure conversion pump is generally installed at the front end of the vehicle body. On the one hand, the exposure of the pump body will affect the appearance of the whole vehicle and increase the risk of damage; on the other hand, the pump body installed on the vehicle body will inevitably change the routing path of the cable and oil pipe and expose the cable pipe, which will cause safety hazards and worse appearance.

[0004] To this end, we proposed a pump body assembly structure and a line-pull oil pressure conversion pump. Utility Model Content

[0005] The embodiments of the present application provide a pump body assembly structure and a wire-pull oil pressure conversion pump to at least solve the problem in the prior art that the wire-pull oil pressure conversion pump is generally assembled at the front end of the vehicle body, and the exposure of the pump body will affect the appearance of the entire vehicle, and the risk of damage will increase, and it will also cause changes in the routing paths of the wires and oil pipes and expose the wire pipes, creating safety hazards.

[0006] In a first aspect, an embodiment of the present application provides a pump body assembly structure, including an integrated handlebar and a wire-pull oil pressure conversion pump, wherein the integrated handlebar includes: a horizontal portion and a vertical portion;

[0007] The stem portion is arranged on one side of the middle part of the handlebar portion, and an assembly cavity is opened at the bottom end of the handlebar portion corresponding to the position of the stem portion. The assembly cavity has an expansion branch cavity extending into the stem portion, and the cable-pull oil pressure conversion pump is fixed in the assembly cavity.

[0008] Optionally, the line-pull oil pressure conversion pump is provided with at least one oil outlet end, and the oil outlet end is arranged toward the expansion branch cavity.

[0009] Optionally, the oil outlet end is connected to an oil pipe terminal for assembling an oil pipe, and the oil pipe terminal and / or the first end of the oil pipe are extended and arranged into the expansion branch cavity.

[0010] Optionally, a stem hole for assembling a front fork stem is provided at one end of the stem portion away from the handlebar portion, and an access port for the oil pipe to pass through is provided on the front fork stem.

[0011] Optionally, at least one assembly hole is provided at the bottom end of the handlebar portion to cooperate with screws or rivets to fix the wire-pull oil pressure conversion pump.

[0012] Optionally, the integrated handlebar further includes a brake handle, which is respectively fixed to the two free ends of the handlebar cross portion and connected to a pull wire, and the other end of the pull wire runs along the integrated handlebar and is connected to the driving end of the wire-pull oil pressure conversion pump.

[0013] Optionally, a hollow hole for the pull wire to pass through is provided in the handlebar portion, and the hollow hole and the assembly cavity are interconnected.

[0014] In a second aspect, an embodiment of the present application provides a line-pull oil pressure conversion pump, which has the pump body assembly structure described in the first aspect, and a line-pull oil pressure conversion pump, wherein the line-pull oil pressure conversion pump includes:

[0015] A pump body, which is fixed in the assembly hole and has at least two oil chambers in the interior, wherein two wire-pulling driving members are respectively arranged in the two oil chambers and move toward two free ends of the handlebar;

[0016] There are two oil outlet ends, which are connected to the two oil chambers respectively to drive the oil in the oil chambers to be output from the oil outlet ends when the line pulling driving member moves.

[0017] Optionally, the wire-pull oil pressure conversion pump further includes an oil pool portion, and the oil pool portion is communicated with the oil chamber.

[0018] Compared with the related art, the pump body assembly structure and the line-pull oil pressure conversion pump provided in the embodiment of the present application have at least the following technical effects:

[0019] The cable-pull oil pressure conversion pump is installed in the assembly cavity opened in the middle of the bottom end of the handlebar cross section, so that the cable-pull oil pressure conversion pump can be hidden. At the same time, the oil outlet end is further arranged toward the expansion branch cavity, and the hidden oil outlet end and / or oil pipe joint can be accommodated by the expansion branch cavity of the assembly cavity. The front section of the oil pipe can also be hidden and covered by the expansion branch cavity, and then inserted into the frame through the front fork stem. The oil pipe is basically not exposed in the whole vehicle, and the oil pipe can be effectively protected. The pull wire of the brake handle runs along the integrated handlebar and is connected to the wire-pull drive component of the cable-pull oil pressure conversion pump, so that the pull wire is fully hidden inside, and the whole vehicle is more neat and beautiful.

[0020] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional schematic diagram of a pump body assembly structure according to an exemplary embodiment.

[0023] Figure 2 The figure is an exploded view of a pump body assembly structure according to an exemplary embodiment.

[0024] Figure 3 It is a schematic diagram of the combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to an exemplary embodiment.

[0025] Figure 4 It is a three-dimensional schematic diagram of a pump body assembly structure according to another exemplary embodiment.

[0026] Figure 5 is an exploded view of a pump body assembly structure according to another exemplary embodiment.

[0027] Figure 6 It is a schematic diagram of the combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to another exemplary embodiment.

[0028] Description of reference numerals: handlebar portion 10; assembly hole 20, stem portion 30; stem tube hole 301; brake handle 40; assembly cavity 50, expansion branch cavity 501;

[0029] The wire-pull oil pressure conversion pump 60 comprises a pump body 601 , a wire-pull driving member 602 , an oil outlet end 603 , and an oil pool 604 . DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1

[0034] The embodiment of the utility model provides a pump body assembly structure. Figure 1 It is a three-dimensional schematic diagram of a pump body assembly structure according to an exemplary embodiment. Figure 2 The figure is an exploded view of a pump body assembly structure according to an exemplary embodiment. Figure 3 FIG. 1 is a schematic diagram of the combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to an exemplary embodiment. Figure 1-3 As shown, the pump assembly structure includes an integrated handlebar and a line-pull oil pressure conversion pump 60, the integrated handlebar includes: a horizontal portion 10 and a vertical portion 30; the vertical portion 30 is arranged on one side of the middle part of the horizontal handlebar 10, and an assembly cavity 50 is opened at the bottom end of the horizontal handlebar 10 corresponding to the position of the vertical portion 30, the assembly cavity 50 has an expansion branch cavity 501 extending into the vertical portion 30, and the line-pull oil pressure conversion pump 60 is fixed in the assembly cavity 50;

[0035] In this embodiment, refer to the attached Figure 1-3 , the assembly cavity 50 is combined with the expansion branch cavity 501 to form a T-shaped structure; the line-pull oil pressure conversion pump 60 is provided with at least one oil outlet 603, and the oil outlet 603 is arranged toward the expansion branch cavity 501. It can be understood that when the oil outlet 603 has a direct extension-shaped tube, its extension tube also extends and is arranged in the expansion branch cavity 501; the oil outlet 603 is connected to an oil pipe terminal for oil pipe assembly, and the oil pipe terminal and / or the first end of the oil pipe extends and is arranged in the expansion branch cavity 501;

[0036] The integrated handlebar also includes a brake lever 40, which is respectively fixed to the two free ends of the handlebar cross portion 10 and connected to a pull wire, and the other end of the pull wire runs along the integrated handlebar and is connected to the driving end of the wire pull oil pressure conversion pump 60;

[0037] A stem hole 301 for assembling a front fork stem is provided at one end of the stem portion 30 away from the handlebar cross portion 10 , and an access port for an oil pipe to pass through is provided on the front fork stem.

[0038] In the technical solution of the above embodiment, the line-pull oil pressure conversion pump 60 is assembled in the assembly cavity 50 opened in the middle of the bottom end of the handlebar 10, so that the line-pull oil pressure conversion pump 60 can be assembled in a hidden manner. At the same time, the oil outlet 603 is arranged toward the expansion branch cavity 501, and the expansion branch cavity 501 of the assembly cavity 50 can accommodate the hidden oil outlet 603 and / or the oil pipe joint to avoid the oil pipe being exposed, and the oil pipe is passed through the access port into the frame to avoid the oil pipe line being exposed, and the whole vehicle is more beautiful.

[0039] Furthermore, the front section of the oil pipe can be hidden and covered by expanding the branch cavity 501, and then penetrate into the frame through the access port on the front fork seat tube to hide the oil pipe. The whole vehicle does not have the oil pipe exposed, which is more neat and beautiful, and can effectively protect the oil pipe.

[0040] Optionally, refer to the attached Figure 3 At least one assembly hole 20 is provided at the bottom end of the horizontal portion 10 to cooperate with screws or rivets to fix the line-pull oil pressure conversion pump 60, so as to facilitate the assembly of the line-pull oil pressure conversion pump 60.

[0041] Optionally, refer to the attached Figure 1-3 A hollow hole for the pull wire to pass through is provided in the handlebar portion 10, and the hollow hole is interconnected with the assembly cavity 50; in this embodiment, the handlebar portion 10 is generally a columnar structure or a tubular structure, which can hide the pull wire, and the entire vehicle does not have any exposed pull wires, which is more neat and beautiful.

[0042] Example 2

[0043] The difference between this embodiment and embodiment 1 is that: Figure 4 It is a three-dimensional schematic diagram of a pump body assembly structure according to another exemplary embodiment. Figure 5 is an exploded view of a pump body assembly structure according to another exemplary embodiment. Figure 6 FIG. 1 is a schematic diagram of the combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to another exemplary embodiment. Figure 4-6As shown, in this embodiment, the assembly cavity 50 is combined with the expansion branch cavity 501 to form a nearly rectangular structure; the line-pull oil pressure conversion pump 60 is provided with at least one oil outlet 603, and the oil outlet 603 is arranged toward the expansion branch cavity 501. It can be understood that when the oil outlet 603 has a direct extension-shaped tube, its extension tube is also extended and arranged into the expansion branch cavity 501; the oil outlet 603 is connected to an oil pipe terminal for oil pipe assembly, and the oil pipe terminal and / or the first end of the oil pipe is extended and arranged into the expansion branch cavity 501;

[0044] In the technical solution of the above embodiment, the assembly cavity 50 is overall arranged in a strip shape, which can fully adapt to wire-pull oil pressure conversion pumps of different shapes, so that the shortest path of the oil pipe connecting the oil outlet end 603 is the best choice, which can minimize the exposure of the oil pipe at the bottom of the integrated handlebar to maintain the appearance.

[0045] For other structures not described, refer to Example 1.

[0046] Example 3

[0047] Embodiment 3 of the present application provides a line-pull oil pressure conversion pump, Figure 3 FIG. 1 is a schematic diagram of a combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to an exemplary embodiment. Figure 3 , which has the pump body assembly structure of the above-mentioned embodiment 1, and a line-pull oil pressure conversion pump 60, and the line-pull oil pressure conversion pump 60 includes:

[0048] The pump body 601 is fixed in the assembly cavity 50 and has at least two oil chambers therein. Two wire-pull driving members 602 are installed in the two oil chambers and move toward the two handles 20 respectively. It can be understood that the wire-pull driving member 602 involved in the embodiment of the present application is similar to the wire-pull driving member 602 of the Chinese patent application ZL

[0049] The wire-pull drive structure disclosed in 202410103296.3 is the same, and is used to pull the wire-pull drive member 602 to move in the oil chamber under the force of the wire, thereby driving the oil in the oil chamber to be output through the oil outlet end 603 and reach the oil pressure pump through the oil pipe to brake the disc, which will not be repeated here;

[0050] There are two oil outlet ends 603, which are connected to two oil chambers respectively so as to drive the oil in the oil chamber to be discharged from the oil outlet ends 603 when the line pulling driving member 602 moves;

[0051] The wire-pull oil pressure conversion pump also includes an oil pool part 604, which is connected to the oil cavity and is used to balance the pressure of the oil in the oil cavity to maintain stable braking. The oil pool part 604 is arranged in the same direction as the oil outlet end 603 and one end thereof extends into the expansion branch cavity 501.

[0052] For other structures not described, refer to Example 1.

[0053] In summary, the pump body assembly structure and the line-pull oil pressure conversion pump provided by the embodiment of the utility model, the line-pull oil pressure conversion pump 60 is assembled in the assembly cavity 50 opened in the middle of the bottom end of the cross-handle 10, which can realize the hidden assembly of the line-pull oil pressure conversion pump 60, and further, the oil outlet end 603 is arranged toward the expansion branch cavity 501, and the expansion branch cavity 501 of the assembly cavity 50 can accommodate the hidden oil outlet end 603 and / or the oil pipe joint to avoid the oil pipe from being exposed, and the oil pipe is inserted into the frame through the access port to avoid the oil pipe line from being exposed, and the whole vehicle is more beautiful;

[0054] Furthermore, the front section of the oil pipe can be hidden and covered by expanding the branch cavity 501, and then penetrate into the frame through the access port on the front fork seat tube to hide the oil pipe. The whole vehicle does not have the oil pipe exposed, which is more neat and beautiful, and can effectively protect the oil pipe.

[0055] Example 4

[0056] Embodiment 4 of the present application also provides a line-pull oil pressure conversion pump, Figure 6 FIG. 1 is a schematic diagram of a combined structure of a wire-pull oil pressure conversion pump and an assembly chamber according to another exemplary embodiment. Figure 6 , which has the pump body assembly structure of the above-mentioned embodiment 2, and a line-pull oil pressure conversion pump 60, and the line-pull oil pressure conversion pump 60 includes:

[0057] The pump body 601 is fixed in the assembly cavity 50 and has at least two oil chambers therein. Two wire-pull driving members 602 are installed in the two oil chambers and move toward the two handles 20 respectively. It can be understood that the wire-pull driving member 602 involved in the embodiment of the present application is similar to the wire-pull driving member 602 of the Chinese patent application ZL

[0058] The wire-pull drive structure disclosed in 202410103296.3 is the same, and is used to pull the wire-pull drive member 602 to move in the oil chamber under the force of the wire, thereby driving the oil in the oil chamber to be output through the oil outlet end 603 and reach the oil pressure pump through the oil pipe to brake the disc, which will not be repeated here;

[0059] There are two oil outlet ends 603, which are connected to two oil chambers respectively so as to drive the oil in the oil chamber to be discharged from the oil outlet ends 603 when the line pulling driving member 602 moves;

[0060] The wire-pull oil pressure conversion pump 60 also includes an oil pool part 604, which is connected to the oil chamber and is used to balance the pressure of the oil in the oil chamber to maintain stable braking. The oil pool part 604 is arranged in the same direction as the oil chamber and is arranged in the assembly chamber 50. Furthermore, the oil pool part 604 has two chambers that are respectively connected to the two oil chambers to balance the oil pressure respectively, thereby ensuring stable braking.

[0061] In summary, the pump body assembly structure and the line-pull oil pressure conversion pump provided by the embodiment of the utility model, the line-pull oil pressure conversion pump 60 is assembled in the assembly cavity 50 opened in the middle of the bottom end of the cross-handle 10, which can realize the hidden assembly of the line-pull oil pressure conversion pump 60, and further, the oil outlet end 603 is arranged toward the expansion branch cavity 501, and the expansion branch cavity 501 of the assembly cavity 50 can accommodate the hidden oil outlet end 603 and / or the oil pipe joint to avoid the oil pipe from being exposed, and the oil pipe is inserted into the frame through the access port to avoid the oil pipe line from being exposed, and the whole vehicle is more beautiful;

[0062] Furthermore, the front section of the oil pipe can be hidden and covered by expanding the branch cavity 501, and then penetrate into the frame through the access port on the front fork seat tube to hide the oil pipe. The whole vehicle does not have the oil pipe exposed, which is more neat and beautiful, and can effectively protect the oil pipe.

[0063] Furthermore, the pull wire of the brake lever 40 runs along the inside of the integrated handlebar and is connected to the wire-pull driving component 602 of the wire-pull oil pressure conversion pump 60, so that the pull wire can be completely hidden inside, making the whole vehicle neater and more beautiful.

[0064] At the same time, it can be understood that the embodiment of the present application only lists the typical shapes of the assembly cavity 50, and its specific shape is not limited to T-shape or bar shape, etc.; at the same time, the assembly cavity 50 is not limited to the integrated handlebar of the bicycle, but can also be applied to electric bicycles, scooters and other vehicles with integrated handlebars.

[0065] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, 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.

[0066] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A pump assembly structure, including an integrated handlebar and a wire-pull oil pressure conversion pump, It is characterized in that The one-piece handlebar comprises: a horizontal portion and a vertical portion; The stem portion is arranged on one side of the middle part of the handlebar portion, and an assembly cavity is opened at the bottom end of the handlebar portion corresponding to the position of the stem portion. The assembly cavity has an expansion branch cavity extending into the stem portion, and the cable-pull oil pressure conversion pump is fixed in the assembly cavity.

2. The pump assembly structure according to claim 1, Features: The line-pull oil pressure conversion pump is provided with at least one oil outlet end, and the oil outlet end is arranged toward the expansion branch cavity.

3. The pump assembly structure according to claim 2, Features: The oil outlet end is connected with an oil pipe terminal for assembling the oil pipe, and the oil pipe terminal and / or the first end of the oil pipe are extended and arranged in the expansion branch cavity.

4. The pump assembly structure according to claim 3, Features: A stem hole for assembling a front fork stem is arranged at one end of the stem away from the handlebar cross portion, and an access port for the oil pipe to penetrate and run inside is opened on the front fork stem.

5. The pump body assembly structure according to claim 1, Features: The bottom end of the handlebar portion is provided with at least one assembly hole to cooperate with screws or rivets to fix the wire-pull oil pressure conversion pump.

6. The pump assembly structure according to claim 1, Features: The integrated handlebar also includes a brake handle, which is respectively fixed to the two free ends of the handlebar cross portion and connected to a pull wire, and the other end of the pull wire runs along the integrated handlebar and is connected to the driving end of the wire-pull oil pressure conversion pump.

7. The pump assembly structure according to claim 6, Features: The handlebar portion is provided with a hollow hole for the pull wire to pass through, and the hollow hole and the assembly cavity are interconnected.

8. A line-pull oil pressure conversion pump, It is characterized in that The pump body assembly structure according to any one of claims 1 to 7 further comprises: A pump body, which is fixed in the assembly hole and has at least two oil chambers in the interior, wherein two wire-pulling driving members are respectively arranged in the two oil chambers and move toward two free ends of the handlebar; There are two oil outlet ends, which are connected to the two oil chambers respectively to drive the oil in the oil chambers to be output from the oil outlet ends when the line pulling driving member moves.

9. The wire-pull oil pressure conversion pump according to claim 8, Features: It also includes an oil pool portion, which is communicated with the oil cavity.

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