Reciprocating structure of rescue hydraulic pump

Abstract

The utility model discloses a reciprocating structure of a rescue hydraulic pump, which comprises a hydraulic pump, the top of the hydraulic pump is provided with a reciprocating structure, the reciprocating structure comprises a cover body, the top of the cover body is provided with a top cover, the surface of the cover body is rotatably sleeved with a power cam shaft through a bearing, and an inner cavity of the cover body is symmetrically provided with cam pressing sleeves. A connecting rod and a connecting block are arranged on the two sides of the upper cam pressing sleeve and the two sides of the lower cam pressing sleeve respectively, and the cams on the surface of the power cam shaft abut against the cam pressing sleeves. According to the reciprocating structure of the rescue hydraulic pump, the problems that time and labor are wasted during manual pressing, and in addition, when a large-weight object needs to be jacked, due to the fact that the weight of the object is large, the pressing resistance can be increased in the jacking process, and jacking is difficult are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile rescue, in particular to a reciprocating structure of a rescue hydraulic pump. Background Art

[0002] An automobile rescue tool refers to a tool used to assist car owners in dealing with problems when a car breaks down or encounters an emergency. After searching patent number CN201911362314.5, it is specifically a hydraulic jack, including: a housing component, a support component, a pressurizing component and a pressure relief component, a control assembly, an oil bag, an oil supply area, a telescopic component, an oil guide component and a base. The hydraulic jack in the embodiment of the present invention is provided with a variable-volume oil bag, which can expand and shrink as the amount of oil in the oil bag increases or decreases, and can keep a vacuum state inside the oil bag, so that the hydraulic jack is not affected by air leakage; at the same time, a height-adjustable support component is provided, and the height of the support component can be pre-adjusted according to the height of the object to be supported, solving the problem that the hydraulic jack has a long lifting and lowering distance due to the different heights of the objects to be supported, saving time and effort; by providing a base with variable angles, the angle between the load-bearing object and the jack fulcrum can be automatically adjusted to keep the load vertically.

[0003] However, when the above patent is used, it is necessary to press repeatedly manually to lift, which is time-consuming and labor-intensive. In addition, when heavy objects need to be lifted, the pressure resistance will increase during the lifting process due to the heavy weight of the objects, making it difficult to lift. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a reciprocating structure of a rescue hydraulic pump, which solves the problem that manual pressing is time-consuming and labor-intensive. In addition, when heavy objects need to be lifted, the pressing resistance will increase during the lifting process due to the heavy weight of the objects, making it difficult to lift.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a reciprocating structure of a rescue hydraulic pump, comprising a hydraulic pump, wherein a reciprocating structure is provided on the top of the hydraulic pump.

[0006] The reciprocating structure includes a cover body, an inner cavity of the cover body is provided with a guide groove, a top cover is provided on the top of the cover body, and the surface of the cover body is rotatably sleeved with a power camshaft through a bearing, the inner cavity of the guide groove is symmetrically slidably sleeved with a cam sleeve, and connecting rods and connecting blocks are respectively provided on both sides of the upper and lower cam sleeves, and the cam on the surface of the power camshaft and the cam sleeve abut against each other.

[0007] Preferably, a piston is provided at the bottom of the connecting block, and one end of the power camshaft passes through the inner cavity of the connecting rod and is rotatably sleeved in the inner cavity of the cover body.

[0008] Preferably, a cover plate is fixedly connected to the bottom of the cover body, and the outside of the piston extends to the outside of the bottom of the cover body.

[0009] Preferably, the left and right connecting rods have different shapes.

[0010] Preferably, the bearing is fixedly sleeved in a through hole on the surface of the cover body.

[0011] Preferably, one end of the power camshaft is located in a through hole on the surface of the cover body.

[0012] The utility model provides a reciprocating structure of a rescue hydraulic pump. Compared with the prior art, it has the following beneficial effects:

[0013] The reciprocating structure of the rescue hydraulic pump rotates the power camshaft in the bearing and the cover body through tools such as electric rotation, so that the cam on the surface of the power camshaft will squeeze the cam sleeve, which will drive the connecting rod to rise and fall in the inner cavity of the cover body, and also drive the connecting block to follow the rise and fall, so that the hydraulic pump can perform the jacking action, which can replace the manual pressing method, and solve the problem that manual pressing is time-consuming and labor-intensive, and when heavy objects need to be lifted, the pressing resistance will increase during the lifting process due to the heavy weight of the objects, making it difficult to lift again.

[0014] The reciprocating structure of the rescue hydraulic pump can also be inserted into the power camshaft through a wrench, and the power camshaft can be rotated manually or raised and lowered, realizing different options of manual and tool operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 Schematic diagram of the reciprocating structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the reciprocating structure of the utility model;

[0018] Figure 4 It is a partial schematic diagram of the reciprocating structure of the utility model.

[0019] In the figure: 1. hydraulic pump; 2. reciprocating structure; 21. cover body; 22. top cover; 23. bearing; 24. power camshaft; 25. connecting rod; 26. cam sleeve; 27. connecting block; 28. cover plate; 29. piston; 210. guide groove. DETAILED DESCRIPTION

[0020] 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 embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-2 The utility model provides a technical solution: a reciprocating structure of a rescue hydraulic pump, including a hydraulic pump 1, a reciprocating structure 2 is provided on the top of the hydraulic pump 1, wherein the tool principle of the hydraulic pump 1 refers to patent number CN201911362314.5, so it is not described in detail here.

[0022] See also Figure 2-4 The reciprocating structure 2 includes a cover body 21, an inner cavity of the cover body 21 is provided with a guide groove 210, a top cover 22 is provided on the top of the cover body 21, and the surface of the cover body 21 is rotatably sleeved with a power camshaft 24 through a bearing 23, one end of the power camshaft 24 is located in a through hole on the surface of the cover body 21, and the bearing 23 is fixedly sleeved in the through hole on the surface of the cover body 21, and the inner cavity of the guide groove 210 is symmetrically slidably sleeved with a cam sleeve 26, and a connecting rod 25 and a connecting block 27 are respectively provided on both sides of the upper and lower cam sleeves 26, and one end of the power camshaft 24 is rotatably sleeved with a power camshaft 24. It passes through the inner cavity of the connecting rod 25 and is rotated and sleeved in the inner cavity of the cover body 21. The left and right connecting rods 25 have different shapes. The cam on the surface of the power camshaft 24 and the cam sleeve 26 abut against each other, wherein the cam on the surface of the power camshaft 24 is an eccentric wheel. The bottom of the cover body 21 is fixedly connected with a cover plate 28. A piston 29 is provided at the bottom of the connecting block 27. The outside of the piston 29 extends to the outside of the bottom of the cover body 21. The power camshaft 24 is rotated by a tool such as an electric motor to drive the connecting block 27 to rise and fall, thereby driving the hydraulic pump 1 to be lifted.

[0023] During use, the power camshaft 24 is rotated in the bearing 23 and the cover body 21 through a tool such as an electric rotary, so that the cam on the surface of the power camshaft 24 will squeeze the cam sleeve 26, causing the cam sleeve 26 to rise and fall in the guide groove 210, while driving the connecting rod 25 and the connecting block 27 to rise and fall in the inner cavity of the cover body 21, and driving the piston 29 to slide in the pressure pump 1, thereby causing the hydraulic pump 1 to perform a lifting action.

[0024] Secondly, a wrench can be inserted into the power camshaft 24 to manually rotate the power camshaft 24, or it can be raised and lowered, thereby realizing different options of manual and tool operation.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A reciprocating structure of a rescue hydraulic pump, comprising a hydraulic pump (1), characterized in that: A reciprocating structure (2) is provided on the top of the hydraulic pump (1); The reciprocating structure (2) includes a cover body (21), an inner cavity of the cover body (21) is provided with a guide groove (210), a top cover (22) is provided on the top of the cover body (21), and a power cam shaft (24) is rotatably sleeved on the surface of the cover body (21) through a bearing (23), a cam pressing sleeve (26) is symmetrically and slidably sleeved on the inner cavity of the guide groove (210), and a connecting rod (25) and a connecting block (27) are respectively provided on both sides of the upper and lower cam pressing sleeves (26), and the cam on the surface of the power cam shaft (24) and the cam pressing sleeve (26) are in contact with each other.

2. The reciprocating structure of a rescue hydraulic pump according to claim 1, characterized in that: A piston (29) is provided at the bottom of the connecting block (27), and one end of the power camshaft (24) passes through the inner cavity of the connecting rod (25) and is rotatably sleeved in the inner cavity of the cover body (21).

3. The reciprocating structure of a rescue hydraulic pump according to claim 2, characterized in that: The bottom of the cover body (21) is fixedly connected to a cover plate (28), and the outside of the piston (29) extends to the outside of the bottom of the cover body (21).

4. The reciprocating structure of a rescue hydraulic pump according to claim 1, characterized in that: The connecting rods (25) on the left and right sides have different shapes.

5. The reciprocating structure of a rescue hydraulic pump according to claim 1, characterized in that: The bearing (23) is fixedly sleeved in a through hole on the surface of the cover body (21).

6. The reciprocating structure of a rescue hydraulic pump according to claim 1, characterized in that: One end of the power camshaft (24) is located in a through hole on the surface of the cover body (21).

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