Double-cylinder mechanical water pump

Abstract

The utility model provides a double-cylinder mechanical water pump. The double-cylinder mechanical water pump comprises a water cylinder, an oil cylinder and a fixed connecting assembly, the water cylinder comprises a water cylinder body and a water cylinder plunger which reciprocates in the water cylinder body; the oil cylinder comprises an oil cylinder body and an oil cylinder connecting rod which reciprocates in the oil cylinder body; the water cylinder body and the oil cylinder body are fixedly connected through a fixed connecting assembly. A water cylinder flange is arranged at the end, close to the oil cylinder body, of the water cylinder body, and a one-way water inlet valve and a one-way water outlet valve are arranged on the water cylinder body. A guide sleeve is arranged at the position, close to the water cylinder, in the oil cylinder body, an oil cylinder piston is arranged in the oil cylinder body, one end of the oil cylinder connecting rod is fixedly connected with the water cylinder plunger, the other end of the oil cylinder connecting rod is fixedly connected with the oil cylinder piston, and a first oil hole and a second oil hole are formed in the oil cylinder body. And the technical characteristics of adjustable water yield and pressure, long service life, large lift, no noise and the like can be realized.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical water pump technology, and in particular a double-cylinder mechanical water pump. Background Technology

[0002] In traditional mechanical water pumps, when the piston moves upward, a negative pressure is created inside the cylinder, the lower valve opens, and water enters the cylinder under atmospheric pressure. When the piston moves downward, the lower valve closes and the upper valve opens, and the water is forced to the top, thus circulating and pumping water. This process is relatively inefficient, consumes a lot of energy, is bulky, involves energy loss during power transmission, and cannot precisely control the flow rate. Utility Model Content

[0003] In view of the above problems, the purpose of this application is to provide a dual-cylinder mechanical water pump that can achieve the technical characteristics of adjustable water output and pressure, long service life, large head, and no noise.

[0004] To achieve some or all of the above objectives or other objectives, this application provides the following technical solution: a dual-cylinder mechanical water pump, comprising a water cylinder, an oil cylinder, and a fixed connection assembly; the water cylinder includes a water cylinder body and a water cylinder plunger reciprocating within the water cylinder body, and the oil cylinder includes an oil cylinder body and an oil cylinder connecting rod reciprocating within the oil cylinder body; the water cylinder body and the oil cylinder body are fixedly connected by the fixed connection assembly; a water cylinder baffle is provided at one end of the water cylinder body near the oil cylinder body, and a one-way inlet valve and a one-way outlet valve are provided on the water cylinder body; a guide sleeve is provided inside the oil cylinder body near the water cylinder, and an oil cylinder piston is provided inside the oil cylinder body; one end of the oil cylinder connecting rod is fixedly connected to the water cylinder plunger, and the other end of the oil cylinder connecting rod is fixedly connected to the oil cylinder piston; a first oil hole and a second oil hole are provided on the oil cylinder body.

[0005] Furthermore, the fixed connection assembly includes several connecting beams, and the water cylinder body and the oil cylinder body are fixedly connected by several connecting beams.

[0006] Furthermore, the water cylinder baffle includes a first baffle and a second baffle. The first baffle is fixedly connected to the water cylinder body. A first annular groove and a second annular groove are provided at the connection between the first baffle and the water cylinder plunger. The second baffle is inserted into the second annular groove. The second baffle is provided with an annular boss. The end face of the first baffle is connected to the annular boss. A first sealing ring is provided in the first annular groove. A second sealing ring is provided in the second annular groove. The second sealing ring contacts the second baffle. A first dustproof ring is provided on the second baffle.

[0007] Furthermore, the second sealing ring is a V-shaped combination sealing ring.

[0008] Furthermore, an oil injection hole is provided on the edge of the water cylinder, and the oil injection hole is located between the first annular groove and the second annular groove.

[0009] Furthermore, a second dustproof ring, a support ring, and a first O-ring are provided between the guide sleeve and the cylinder connecting rod; a shaft sealing ring is provided between the cylinder body and the guide sleeve.

[0010] Furthermore, a No. 2 O-ring is provided between the cylinder piston and the cylinder connecting rod; a hole sealing ring is provided between the cylinder body and the cylinder piston.

[0011] Furthermore, the internal diameter of the cylinder body is 150mm, the diameter of the cylinder connecting rod is 70mm, and the reciprocating stroke of the cylinder connecting rod within the cylinder body is 550mm; the working pressure of the dual-cylinder mechanical water pump is 7-20MPa.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. It is an effective tool suitable for specific environments. It consists of two parts: a double-acting oil cylinder and a water cylinder. It has the characteristics of adjustable water output and pressure, long service life, large head, and no noise. 2. The reciprocating motion of the oil cylinder drives the water cylinder to generate positive and negative pressure, which is converted by a one-way valve to produce water output and water intake. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model in the water-absorbing state;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model in the water discharge state;

[0015] Figure 3 This is the left view of the present invention;

[0016] Figure 4 This is a magnified view of a portion of the edge of this water tank;

[0017] In the diagram: 1. Water cylinder body, 2. Water cylinder plunger, 3. First flange, 4. Second flange, 5. First sealing ring, 6. Second sealing ring, 7. First dustproof ring, 8. Oil filling hole, 9. Oil cylinder body, 10. Oil cylinder connecting rod, 11. Guide sleeve, 12. Oil cylinder piston, 13. Second dustproof ring, 14. Support ring, 15. First O-ring, 16. Shaft sealing ring, 17. Second O-ring, 18. Hole sealing ring, 19. Connecting beam. Detailed Implementation

[0018] To make the structure and function of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0019] See appendix Figure 1-4 , attached Figure 2 The water cylinder section is shown in a top view, and the hydraulic cylinder section is shown in a cross-sectional view. A dual-cylinder mechanical water pump includes a water cylinder, a hydraulic cylinder, and a fixed connection assembly. The water cylinder includes a water cylinder body 1 and a water cylinder plunger 2 that reciprocates within the water cylinder body 1. The hydraulic cylinder includes a hydraulic cylinder body 9 and a hydraulic cylinder connecting rod 10 that reciprocates within the hydraulic cylinder body 9. The water cylinder body 1 and the hydraulic cylinder body 9 are fixedly connected by the fixed connection assembly. A water cylinder baffle is provided at one end of the water cylinder body 1 near the hydraulic cylinder body 9. The water cylinder baffle is slidably connected to the water cylinder plunger. The water cylinder body 1 is provided with a one-way inlet valve and a one-way outlet valve. The oil cylinder body 9 is provided with a guide sleeve 11 near the water cylinder. The oil cylinder body 9 is provided with an oil cylinder piston 12. The oil cylinder connecting rod is slidably connected to the guide sleeve. One end of the oil cylinder connecting rod 10 is fixedly connected to the water cylinder plunger 2, and the other end of the oil cylinder connecting rod 10 is fixedly connected to the oil cylinder piston 12. The oil cylinder body 9 is provided with a first oil hole and a second oil hole.

[0020] Based on the above technical solution, the one-way outlet valve is located on the water cylinder body 1 at a position away from the water cylinder baffle, and the one-way inlet valve is located on the water cylinder body 1 at a position close to the water cylinder baffle; a water cylinder plunger flange is provided at one end of the water cylinder plunger 2 connected to the oil cylinder connecting rod 10, and an oil cylinder connecting rod flange is provided at one end of the oil cylinder connecting rod 10 connected to the water cylinder plunger 2; the water cylinder plunger flange and the oil cylinder connecting rod flange are fixedly connected by No. 2 cylindrical head internal hexagon screws.

[0021] The fixed connection assembly includes several connecting beams 19. The flange on the water cylinder body 1 and the flange on the oil cylinder body 9 are fixedly connected by several connecting beams 19 and fixed by hexagonal nuts.

[0022] The water cylinder baffle includes a first baffle 3 and a second baffle 4. The first baffle 3 is fixedly connected to the water cylinder body 1. A first annular groove and a second annular groove are provided at the connection between the first baffle 3 and the water cylinder plunger 2. The second baffle 4 is inserted into the second annular groove. The second baffle 4 is provided with an annular boss. The end face of the first baffle 3 is connected to the annular boss. A first sealing ring 5 is provided in the first annular groove. A second sealing ring 6 is provided in the second annular groove. The second sealing ring 6 contacts the second baffle 4. A first dustproof ring 7 is provided on the second baffle 4.

[0023] The second sealing ring 6 is a V-shaped combination sealing ring.

[0024] The water tank baffle is provided with an oil injection hole 8, which is located between the first annular groove and the second annular groove; the oil injection hole 8 is provided with a screw plug.

[0025] A second dustproof ring 13, a support ring 14, and a first O-ring 15 are provided between the guide sleeve 11 and the cylinder connecting rod 10; a shaft sealing ring 16 is provided between the cylinder body 9 and the guide sleeve 11.

[0026] A second O-ring 17 is provided between the cylinder piston 12 and the cylinder connecting rod 10; a hole sealing ring 18 is provided between the cylinder body 9 and the cylinder piston 12.

[0027] The internal diameter of the cylinder body 9 is 150 mm, the diameter of the cylinder connecting rod 10 is 70 mm, and the reciprocating stroke of the cylinder connecting rod 10 within the cylinder body 9 is 550 mm; the working pressure of the dual-cylinder mechanical water pump is 7-20 MPa.

[0028] The above-disclosed embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of this application. Therefore, any equivalent variations made in accordance with the claims of this application shall still fall within the scope of this application.

Claims

1. A dual-cylinder mechanical water pump, characterized in that: The system includes a water cylinder, an oil cylinder, and a fixed connecting assembly. The water cylinder includes a water cylinder body and a water cylinder plunger that reciprocates within the water cylinder body. The oil cylinder includes an oil cylinder body and an oil cylinder connecting rod that reciprocates within the oil cylinder body. The water cylinder body and the oil cylinder body are fixedly connected by the fixed connecting assembly. A water cylinder baffle is provided at one end of the water cylinder body near the oil cylinder body. A one-way inlet valve and a one-way outlet valve are provided on the water cylinder body. A guide sleeve is provided inside the oil cylinder body near the water cylinder. An oil cylinder piston is provided inside the oil cylinder body. One end of the oil cylinder connecting rod is fixedly connected to the water cylinder plunger, and the other end of the oil cylinder connecting rod is fixedly connected to the oil cylinder piston. A first oil hole and a second oil hole are provided on the oil cylinder body.

2. The dual-cylinder mechanical water pump according to claim 1, characterized in that: The fixed connection assembly includes several connecting beams, and the water cylinder body and the oil cylinder body are fixedly connected by several connecting beams.

3. A dual-cylinder mechanical water pump according to claim 1, characterized in that: The water cylinder baffle includes a first baffle and a second baffle. The first baffle is fixedly connected to the water cylinder body. A first annular groove and a second annular groove are provided at the connection between the first baffle and the water cylinder plunger. The second baffle is inserted into the second annular groove. The second baffle is provided with an annular boss. The end face of the first baffle is connected to the annular boss. A first sealing ring is provided in the first annular groove. A second sealing ring is provided in the second annular groove. The second sealing ring is in contact with the second baffle. A first dustproof ring is provided on the second baffle.

4. A dual-cylinder mechanical water pump according to claim 3, characterized in that: The second sealing ring is a V-shaped combination sealing ring.

5. A dual-cylinder mechanical water pump according to claim 3, characterized in that: The water tank baffle is provided with an oil injection hole, which is located between the first annular groove and the second annular groove.

6. A dual-cylinder mechanical water pump according to claim 1, characterized in that: A second dustproof ring, a support ring, and a first O-ring are provided between the guide sleeve and the cylinder connecting rod; a shaft sealing ring is provided between the cylinder body and the guide sleeve.

7. A dual-cylinder mechanical water pump according to claim 1, characterized in that: A No. 2 O-ring is provided between the cylinder piston and the cylinder connecting rod; a hole sealing ring is provided between the cylinder body and the cylinder piston.

8. A dual-cylinder mechanical water pump according to claim 1, characterized in that: The internal diameter of the cylinder body is 150 mm, the diameter of the cylinder connecting rod is 70 mm, and the reciprocating stroke of the cylinder connecting rod within the cylinder body is 550 mm; the working pressure of the dual-cylinder mechanical water pump is 7-20 MPa.

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