CN220248280U - Pump head of plunger pump - Google Patents

Abstract

The utility model discloses a plunger pump head, which comprises a pressure regulating mechanism, wherein one side of the bottom of the pressure regulating mechanism is provided with three groups of plunger working chambers, three groups of bolts are arranged between the three groups of plunger working chambers, a water inlet pipe with a V-shaped structure is arranged between the three groups of plunger working chambers, one end of the water inlet pipe is connected with a connecting pipe, the joint of the connecting pipe and the water inlet pipe is provided with a connector with a threaded structure, one end of the water inlet pipe, which is far away from the connecting pipe, is provided with a plug, and the joint of the water inlet pipe and the connecting pipe is also provided with a filter pipe.

Description

Pump head of plunger pump

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a pump head of a plunger pump.

Background

The plunger pump is an important device of a hydraulic system, and the volume of a sealed working cavity is changed by means of reciprocating motion of a plunger in a cylinder body so as to realize oil suction, oil pressing and other operations.

Through the search, as disclosed in Chinese patent literature CN201991717U, a pump head structure of a plunger pump, through adding the water inlet channel of the corresponding V-shaped structure between the three plunger working chambers distributed in regular triangle, the structure of the device is compact, the volume is smaller, but the following defects are also present:

when the plunger pump head structure is used, the structure for filtering liquid is arranged on the water inlet channel of the V-shaped structure, but the flow resistance of the liquid can be increased by arranging the filter screen due to the small pipeline structure, and the filter screen can be directly blocked on the filter screen to influence the subsequent water supply in the face of blocked impurities.

Disclosure of Invention

The utility model aims to provide a plunger pump head, which solves the problems that when the plunger pump head structure provided in the background art is used, a structure for filtering liquid is arranged on a water inlet channel of a V-shaped structure, but the flow resistance of the liquid is increased due to the small pipeline structure, and the filtering net is directly blocked on the filtering net in the face of blocked impurities, so that the subsequent water supply is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plunger pump head, includes pressure regulating mechanism, pressure regulating mechanism's bottom one side is provided with three plunger working chambers, and three groups be provided with three groups of bolts between the plunger working chamber, three groups be provided with the inlet tube of "V" type structure between the plunger working chamber, the one end of inlet tube is connected with the connecting pipe, the junction of connecting pipe and inlet tube is provided with the connector of helicitic texture, the one end that the connecting pipe was kept away from to the inlet tube is provided with the end cap, the junction of inlet tube and connecting pipe still is provided with the filter tube.

Preferably, the water inlet pipe is in threaded connection with the outer side surface of the filter pipe.

Preferably, the filter tube is internally provided with a filter screen with a conical structure, one side of the filter screen, which is close to the water inlet pipe, is connected with a filter ring with a circular ring structure, four groups of connecting columns are arranged on the inner wall of the filter ring, which is close to the filter tube, one end, which is far away from the filter ring, of the connecting columns is fixed with a limiting ring, and a handle is fixed at the center of one side, which is close to the limiting ring, of the filter screen.

Preferably, the side surface of the filter screen is of an arc-shaped structure, and the tip of the arc-shaped cone of the filter screen is close to the connecting pipe.

Preferably, the outer maximum diameter dimension of the filter ring is smaller than the minimum diameter dimension of the inner wall of the water inlet pipe.

Preferably, the handle has a spherical structure.

Compared with the prior art, the utility model has the beneficial effects that:

through setting the filter screen structure to the toper structure of side cambered surface, can reduce the resistance that causes the liquid to pass through, and blockked impurity under also can be under the impact of liquid, pile up on the filter ring of side, be pressed from both sides at last between filter screen and connecting pipe inner wall, reduced the cross-sectional area of the filter tube that the accumulation of impurity sheltered from, improved the circulation in the filter tube in its filtration effect.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional side view of a filter tube according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a filter tube according to the present utility model;

FIG. 4 is a schematic view of a filter screen according to the present utility model.

In the figure: 1. a pressure regulating mechanism; 2. a plunger working chamber; 3. a bolt; 4. a water inlet pipe; 5. a connecting pipe; 501. a connector; 6. a plug; 7. a filter tube; 701. a filter screen; 702. a filter ring; 703. a connecting column; 704. a limiting ring; 705. a handle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a pump head of a plunger pump, which comprises a pressure regulating mechanism 1, plunger working chambers 2, bolts 3, a water inlet pipe 4, a connecting pipe 5, a connector 501, a plug 6, a filter pipe 7, a filter screen 701, a filter ring 702, a connecting column 703, a limiting ring 704 and a handle 705, wherein one side of the bottom of the pressure regulating mechanism 1 is provided with three groups of plunger working chambers 2, three groups of bolts 3 are arranged between the three groups of plunger working chambers 2, a water inlet pipe 4 with a V-shaped structure is arranged between the three groups of plunger working chambers 2, and the water inlet pipe 4 is in threaded connection with the outer side surface of the filter pipe 7

One end of inlet tube 4 is connected with connecting pipe 5, connecting pipe 5 is provided with screw thread structure's connector 501 with the junction of inlet tube 4, the one end that connecting pipe 5 was kept away from to inlet tube 4 is provided with end cap 6, the junction of inlet tube 4 and connecting pipe 5 still is provided with filter tube 7, the inside of filter tube 7 is provided with the filter screen 701 of toper structure, one side that filter screen 701 is close to inlet tube 4 is connected with the filter ring 702 of ring shape structure, the inner wall that filter ring 702 is close to filter tube 7 is provided with four sets of spliced pole 703, the one end that filter ring 702 was kept away from to spliced pole 703 is fixed with spacing ring 704, one side center that filter screen 701 is close to spacing ring 704 is fixed with handle 705.

The side of filter screen 701 is arc structure, and the arc cone's of filter screen 701 pointed end is close to connecting pipe 5, can reduce the resistance of the process of liquid through the arc structure of side, and the outside maximum diameter size of filtering ring 702 is less than the minimum diameter size of inlet tube 4 inner wall, and the liquid through filtering ring 702 can not be sheltered from by the inner wall of inlet tube 4 like this, lets the circulation of liquid more smooth, and handle 705 is spherical structure, better centre gripping avoid skidding when the handle 705 of spherical structure can take out filter screen 701.

When the embodiment of the application is used, the following steps are adopted: the device introduces water into the water inlet pipe 4 between three groups of plunger working chambers 2 through the connecting pipe 5, a filter pipe 7 capable of filtering liquid is arranged at the joint of the water inlet pipe 4 and the connecting pipe 5, a filter screen 701 with a conical structure with a cambered surface is arranged in the filter pipe 7, the structure of the filter screen 701 can reduce the resistance to the passing liquid, impurities blocked by the filter screen 701 are accumulated on one side of a limiting ring 704, the cambered surface structure of the filter screen 701 can keep the thickness of the accumulated impurities at the thickness of the limiting ring 704, the channel for the liquid flowing in the connecting pipe 5 is prevented from becoming too narrow, the liquid flowing resistance is increased, the connector 501 of the connecting pipe 5 is detached through rotating the filter pipe 7 during maintenance, then the filter screen 701 and the filter ring 702 are taken out through the outward movement of a handle 705 which clamps the filter screen 701, and the limiting ring 704 is arranged on a connecting post 703 on the side of the filter ring 702, the limiting ring 704 can be fixed by the connector 501, thereby facilitating the maintenance of the device, the plunger pump head is a conventional electric device, the utility model has the advantages that the electric device is realized by using the conventional method, the electric device is realized by the conventional method, the conventional method of the device is realized by the conventional method, the conventional method of the conventional method, the conventional method is adopted by the conventional device, the electric device is realized by the conventional device, the ordinary device, the electric device is the ordinary device, and the electric device is used in the ordinary device, and the ordinary device is used in the technical device, and the ordinary device and the technology is used in the art, are well known in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a plunger pump head, includes pressure regulating mechanism (1), its characterized in that: three groups of plunger working chambers (2) are arranged on one side of the bottom of the pressure regulating mechanism (1), three groups of bolts (3) are arranged between the three groups of plunger working chambers (2), a water inlet pipe (4) with a V-shaped structure is arranged between the three groups of plunger working chambers (2), one end of the water inlet pipe (4) is connected with a connecting pipe (5), the connecting pipe is characterized in that a connector (501) with a threaded structure is arranged at the joint of the connecting pipe (5) and the water inlet pipe (4), a plug (6) is arranged at one end, far away from the connecting pipe (5), of the water inlet pipe (4), and a filter pipe (7) is further arranged at the joint of the water inlet pipe (4) and the connecting pipe (5).

2. A plunger pump head as set forth in claim 1, wherein: the water inlet pipe (4) is in threaded connection with the outer side surface of the filter pipe (7).

3. A plunger pump head as set forth in claim 1, wherein: the inside of filter tube (7) is provided with conical structure's filter screen (701), one side that filter screen (701) is close to inlet tube (4) is connected with ring structure's filter ring (702), the inner wall that filter ring (702) is close to filter tube (7) is provided with four sets of spliced poles (703), the one end that filter ring (702) was kept away from to spliced pole (703) is fixed with spacing ring (704), one side center that filter screen (701) is close to spacing ring (704) is fixed with handle (705).

4. A plunger pump head as set forth in claim 3, wherein: the side face of the filter screen (701) is of an arc-shaped structure, and the tip of an arc-shaped cone of the filter screen (701) is close to the connecting pipe (5).

5. A plunger pump head as set forth in claim 3, wherein: the outside maximum diameter size of the filter ring (702) is smaller than the minimum diameter size of the inner wall of the water inlet pipe (4).

6. A plunger pump head as set forth in claim 3, wherein: the handle (705) is of a spherical configuration.