Vacuum filling device for hydraulic oil

Abstract

The utility model relates to a hydraulic oil vacuum filling device which comprises a filling head and a handle, the filling head is rotatably connected with the handle, a filling channel is arranged in the filling head, connecting threads and fastening threads are arranged on the periphery of the filling head, the handle is provided with a threading die, the connecting threads are connected with a filling port of a hydraulic oil pump, and the threading die is matched with the fastening threads for fastening. The connecting threads are arranged on the periphery of the filling end and used for achieving the rapid butt joint and sealing effects with a filling port of a hydraulic oil pump, the requirement for the hydraulic oil filling amount of a heavy truck can be met, the sealing ring can achieve the sealing effect in the state that the connecting threads are screwed, and therefore the problem that in the vacuum filling process, the pressure in a container rises, and the sealing effect is poor is solved. Therefore, the vacuum filling of the hydraulic oil pump is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile tools, in particular to a hydraulic oil vacuum filling device. Background Art

[0002] The hydraulic oil of the tilting oil pump is a special mineral oil. It acts as the pressure transmission medium of the hydraulic system. It has certain fluidity and cannot be compressed. In the hydraulic system, the target action is achieved by switching the direction of the oil circuit in the hydraulic system, such as the extension and retraction of the cylinder.

[0003] When filling the hydraulic oil for the flipping cab of a heavy truck, vacuum filling is mostly used. At present, the vacuum filling muzzle of most vacuum filling equipment used in China is not well matched with the filling port of the hydraulic oil for the flipping cab of a heavy truck, and vacuum filling cannot be achieved, resulting in low offline filling efficiency and frequent secondary replenishment of hydraulic oil in the debugging process. There is an urgent need for a transition device with intermediate matching and docking. Summary of the invention

[0004] The utility model aims to provide a hydraulic oil vacuum filling device to address the deficiencies of the prior art, so as to achieve rapid, accurate and quantitative filling of the hydraulic oil by vacuuming the hydraulic pump of the heavy truck cab during the hydraulic oil vacuum filling operation.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] A hydraulic oil vacuum filling device comprises a filling head and a handle, wherein the filling head is rotatably connected to the handle, a filling channel is arranged inside the filling head, a connecting thread and a fastening thread are arranged on the outer periphery of the filling head, the handle is provided with a die, the connecting thread is connected to the filling port of the hydraulic oil pump, and is fastened by the die and the fastening thread.

[0007] Furthermore, a liquid inlet end is provided at the upper end of the filling head, a fastening end is provided at the lower end of the liquid inlet end, a filling end is provided at the lower end of the fastening end, the fastening thread is provided at the outer periphery of the fastening end, the connecting thread is provided at the outer periphery of the filling end, the liquid inlet end and the filling channel are communicated with the interior of the filling end to form the filling channel, and the fastening thread is arranged horizontally with the die.

[0008] Furthermore, a sealing ring is provided on the outer periphery of the filling end, and the sealing ring is provided at the connection between the filling end and the filling port of the hydraulic oil pump.

[0009] Furthermore, a mounting port is provided at one end of the handle, a clamping groove is provided at the upper end of the connecting thread, the filling end passes through the mounting port, and the filling head is rotatably connected to the handle through the cooperation of a retaining spring and the clamping groove.

[0010] Furthermore, a spring top and a spring are provided in the handle, and the spring top is in contact with the die.

[0011] Furthermore, the die and the handle are movably connected via a pin and are fastened via a retaining spring.

[0012] Furthermore, the die is provided with plate teeth cooperating with the fastening thread, the connecting thread is connected to the filling port of the hydraulic oil pump, and is fastened by the cooperation between the plate teeth and the fastening thread.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] 1. By setting a connecting thread on the outer periphery of the filling end, it is used to achieve quick docking and sealing with the filling port of the hydraulic oil pump, which can meet the hydraulic oil filling volume requirements of heavy trucks. The sealing ring can achieve a sealing effect when the connecting thread is tightened, thereby solving the problem of pressure rise in the container during vacuum filling and the need to withstand pressure, thereby realizing vacuum filling of the hydraulic oil pump.

[0015] 2. The fastening thread is arranged on the outer periphery of the fastening end, which cooperates with the plate teeth of the die to quickly connect the filling end with the filling port of the hydraulic oil pump. The use cost is low, the operator is light and has low work intensity when using it, and it is suitable for heavy truck assembly operations;

[0016] 3. The spring ejector and spring can provide tightening force for the die, and when rotating in one direction, lock the rotational movement in the opposite direction to prevent reverse rotation, so that the rotational force is transmitted in one direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0019] Figure annotation:

[0020] 1. Filling head; 11. Liquid inlet end; 12. Fastening end; 121. Fastening thread; 13. Filling end; 131. Sealing ring; 2. Handle; 3. Die; 31. Die teeth; 4. Spring top; 5. Spring; 6. Pin shaft. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0022] like Figure 1-Figure 2 As shown, a hydraulic oil vacuum filling device includes a filling head 1 and a handle 2, the filling head 1 is rotatably connected to the handle 2, a filling channel is provided in the filling head 1, a connecting thread and a fastening thread 121 are provided on the outer periphery of the filling head 1, and the handle 2 is provided with a die 3, the connecting thread is connected to the filling port of the hydraulic oil pump, and is fastened by the die 3 and the fastening thread 121.

[0023] By arranging a connecting thread on the outer periphery of the filling end 13, it is used to achieve quick docking and sealing with the filling port of the hydraulic oil pump, which can meet the hydraulic oil filling amount requirements of heavy trucks. The sealing ring 131 can achieve a sealing effect when the connecting thread is tightened, thereby solving the problem of pressure rise in the container during vacuum filling and the need to withstand pressure, thereby achieving vacuum filling of the hydraulic oil pump.

[0024] A liquid inlet end 11 is provided at the upper end of the filling head 1, a fastening end 12 is provided at the lower end of the liquid inlet end 11, a filling end 13 is provided at the lower end of the fastening end 12, a fastening thread 121 is provided at the outer periphery of the fastening end 12, and a connecting thread is provided at the outer periphery of the filling end 13. The liquid inlet end 11, the fastening end 12 and the filling end 13 are communicated with each other to form a filling channel.

[0025] A sealing ring 131 is also provided on the outer periphery of the filling end 13 , and the sealing ring 131 is provided at the connection between the filling end 13 and the filling port of the hydraulic oil pump.

[0026] A mounting opening is provided at one end of the handle 2, and a clamping groove is provided at the upper end of the connecting thread. The filling end 13 passes through the mounting opening, and the clamping spring cooperates with the clamping groove to rotatably connect the filling head 1 to the handle 2.

[0027] A spring top 4 and a spring 5 are provided in the handle 2 , and the spring top 4 abuts against the die 3 .

[0028] The spring pusher 4 and the spring 5 can provide a tightening force for the die 3, and when rotating in one direction, the rotational movement in the opposite direction is locked to prevent reverse rotation, so that the rotational force is transmitted in one direction.

[0029] The die 3 and the handle 2 are movably connected through a pin 6 and are fastened by a retaining spring.

[0030] The handle 2 can be used to tighten the connecting thread by cooperating with the die 3 and the fastening thread 121, and can also be used to disassemble the connecting thread by switching the position of the die 3, which is convenient and efficient.

[0031] The die 3 is provided with plate teeth 31 that cooperate with the fastening thread 121 , the connecting thread is connected to the filling port of the hydraulic oil pump, and is fastened by the plate teeth 31 cooperating with the fastening thread 121 .

[0032] The outer periphery of the fastening end 12 is provided with a fastening thread 121, which cooperates with the plate teeth 31 of the die 3 to quickly connect the filling end 13 to the filling port of the hydraulic oil pump. The use cost is low, the operator is light and has low work intensity when using it, and it is suitable for heavy truck assembly operations.

Claims

1. A hydraulic oil vacuum filling device, characterized in that: The invention comprises a filling head (1) and a handle (2), wherein the filling head (1) is rotatably connected to the handle (2), a filling channel is provided in the filling head (1), a connecting thread and a fastening thread (121) are provided on the outer periphery of the filling head (1), and the handle (2) is provided with a die (3), the connecting thread is connected to the filling port of the hydraulic oil pump, and is fastened by the die (3) cooperating with the fastening thread (121).

2. The hydraulic oil vacuum filling device according to claim 1, characterized in that: The filling head (1) is provided with a liquid inlet end (11) at the upper end, a fastening end (12) at the lower end of the liquid inlet end (11), a filling end (13) at the lower end of the fastening end (12), the fastening thread (121) is provided on the outer periphery of the fastening end (12), the filling end (13) is provided with the connecting thread on the outer periphery, the liquid inlet end (11), the fastening end (12) and the filling end (13) are communicated with each other inside to form the filling channel.

3. The hydraulic oil vacuum filling device according to claim 2, characterized in that: A sealing ring (131) is also provided on the outer periphery of the filling end (13), and the sealing ring (131) is provided at the connection between the filling end (13) and the filling port of the hydraulic oil pump.

4. The hydraulic oil vacuum filling device according to claim 3, characterized in that: A mounting opening is provided at one end of the handle (2), a clamping groove is provided at the upper end of the connecting thread, the filling end (13) passes through the mounting opening, and the filling head (1) is rotatably connected to the handle (2) by means of a retaining spring cooperating with the clamping groove.

5. The hydraulic oil vacuum filling device according to claim 4, characterized in that: A spring top (4) and a spring (5) are arranged in the handle (2), and the spring top (4) abuts against the die (3).

6. The hydraulic oil vacuum filling device according to claim 5, characterized in that: The die (3) and the handle (2) are movably connected via a pin (6) and are fastened via a retaining spring.

7. The hydraulic oil vacuum filling device according to claim 6, characterized in that: The die (3) is provided with a plate tooth (31) that cooperates with the fastening thread (121); the connecting thread is connected to the filling port of the hydraulic oil pump and is fastened by the plate tooth (31) cooperating with the fastening thread (121).

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