CN210769277U

CN210769277U - Plunger pump with internal water return structure

Info

Publication number: CN210769277U
Application number: CN201921058885.5U
Authority: CN
Inventors: 罗华建
Original assignee: Zhejiang Phoebus Industury Technology Co ltd
Current assignee: Zhejiang Phoebus Industury Technology Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-06-16
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a plunger pump with internal water return structure relates to plunger pump technical field, and its technical scheme main points are: including the pump head, compress tightly on the pump head and be connected with the pressure regulating valve mount pad, seted up the mounting hole on the pressure regulating valve mount pad, be provided with the distributive pipe on the lateral wall of pressure regulating valve mount pad, the distributive pipe bottom is formed with mounting groove one, and connecting hole one has been seted up to the inner wall department of mounting groove one, and the inside nestification of mounting groove one has the wet return, and the pump head is gone up the sunken mounting groove two that is formed with, sets up the connecting hole two that feeds through in the intake chamber on the inner wall of. Install the air-vent valve to mounting hole department, the air-vent valve can be opened when the inside water pressure of outlet chamber is great for the inside water of outlet chamber enters into the intake antrum inside via the wet return. The water in the water outlet chamber is directly supplied to the water inlet chamber under the action of water pressure, and in the process, the distance of water flowing through is short and the suction force of the plunger pump is not needed, so that the energy consumption of the plunger pump is reduced to a certain extent.

Description

Plunger pump with internal water return structure

Technical Field

The utility model relates to a plunger pump technical field, in particular to plunger pump with internal water return structure.

Background

At present, chinese patent with publication number CN207212656U discloses a plunger pump, including the pump head, with pump head fixed connection's box, be provided with the pump chamber in the pump head, the pump chamber includes intake chamber, suction chamber and the play mill room that the water supply stream loops through, still be provided with on the pump head with intake chamber UNICOM's water inlet, with the delivery port of play mill room UNICOM and with the pressure regulating mouth of play mill room UNICOM, be provided with the air-vent valve on the pressure regulating mouth, be provided with the outlet on the air-vent valve.

In use, a water tank is typically placed adjacent to the plunger pump, which draws water directly from the water tank. The water in the water bucket enters the water inlet chamber from the water inlet, the water in the water inlet chamber enters the suction chamber, the water in the suction chamber enters the water outlet chamber, most of the water in the water outlet chamber is directly discharged from the water outlet, a small part of the water enters the pressure regulating valve through the pressure regulating port, and the water in the pressure regulating valve is discharged from the water outlet and enters the water bucket.

In the working process of the plunger pump, the plunger pump can suck the water discharged from the water discharge opening into the pump cavity again, and in the process, the water discharged from the water discharge opening can enter the pump cavity only by flowing through a long distance, so that more energy is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a plunger pump with internal water return structure, it has from discharge water of water outlet department only need flow through shorter distance can enter into the pump chamber, consumes the less advantage of the energy.

The above technical purpose of the present invention can be achieved by the following technical solutions: a plunger pump with an internal water return structure comprises a pump head, a pump cavity is arranged in the pump head, the pump cavity comprises a water inlet chamber and a water outlet chamber communicated with the water inlet chamber, the pump head is tightly pressed and connected with a pressure regulating valve mounting seat, the top surface of the pressure regulating valve mounting seat is provided with a mounting hole, the mounting hole is communicated with the water outlet chamber, a water distribution pipe is integrally formed on the side wall of the pressure regulating valve mounting seat, the water distribution pipe is communicated with the mounting hole, a first mounting groove is formed at the bottom of the water distribution pipe in a concave manner, the inner wall of the first mounting groove is provided with a first connecting hole communicated with the inner cavity of the water distributing pipe, a water return pipe is nested in the first mounting groove, the inner cavity of the water return pipe is communicated with the first connecting hole, the pump head is sunken to form a second mounting groove for the water return pipe to insert, and the inner wall of the second mounting groove is provided with a second connecting hole communicated with the water inlet chamber.

Through the technical scheme, during the equipment, at first stretch into the inside of mounting groove one with the one end of wet return, make the tip of wet return contradict in the tank bottom of mounting groove one, later the other end of control wet return is relative with the mounting groove two and with pressure regulating valve mount pad screw compression joint on the pump head, this in-process, the tip of wet return enters into mounting groove two and supports the tank bottom in mounting groove two, later install the air-vent valve to mounting hole department, the air-vent valve can be opened when the inside water pressure of outlet chamber is great, make the inside water of outlet chamber enter into the intake chamber inside via the wet return. The water in the water outlet chamber is directly supplied to the water inlet chamber under the action of water pressure, and in the process, the distance of water flowing through is short and the suction force of the plunger pump is not needed, so that the energy consumption of the plunger pump is reduced to a certain extent.

Preferably, the outer wall of the water distribution pipe is integrally formed with a first convex ring, the first convex ring surrounds the first mounting groove, and the inner wall of the first convex ring is flush with the edge of the notch of the first mounting groove.

Through above-mentioned technical scheme, set up the structural strength that the bulge loop on the distributive pipe outer wall can strengthen the distributive pipe one by one for the distributive pipe is seted up mounting groove one and is difficult for taking place to warp or even damaged, and on the other hand, the wet return can be held tightly to the bulge loop one, makes the wet return difficult emergence when using rock.

Preferably, an annular groove I is formed in the inner wall of the convex ring I, a sealing ring I is embedded in the annular groove I, and the inner ring of the sealing ring I protrudes out of the annular groove and is tightly abutted to the outer wall of the water return pipe.

Through the technical scheme, the first sealing ring arranged in the first annular groove can seal the gap between the first convex ring and the water return pipe after extrusion deformation, so that water is not easy to flow out from the gap between the first convex ring and the water return pipe.

Preferably, two body forming convex rings are arranged on the outer wall of the pump head, the second mounting groove is surrounded by the second convex ring, and the inner wall of the second convex ring is flush with the edge of the notch of the second mounting groove.

Through above-mentioned technical scheme, set up the structural strength that can strengthen the pump head on the one hand of two collars on the pump head outer wall for the pump head is seted up two difficult emergence of mounting groove and is warp or even damaged, and on the other hand, the wet return can be held tightly to two collars, makes the wet return be difficult for taking place to rock when using.

Preferably, an annular groove II is formed in the inner wall of the convex ring II, a sealing ring II is embedded in the annular groove II, and the inner ring of the sealing ring II protrudes out of the annular groove II and abuts against the outer wall of the water return pipe.

Through the technical scheme, the second sealing ring arranged in the second annular groove can seal the gap between the second convex ring and the water return pipe after extrusion deformation, so that water is not easy to flow out from the gap between the second convex ring and the water return pipe.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment, mainly used to show the components of the embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B of fig. 1.

Reference numerals: 1. a pump head; 2. a pump chamber; 21. a water inlet chamber; 22. a water outlet chamber; 3. a pressure regulating valve mounting seat; 4. mounting holes; 5. a water diversion pipe; 6. a first mounting groove; 7. a first connecting hole; 8. a water return pipe; 9. a second mounting groove; 10. a second connecting hole; 11. a first convex ring; 12. a first ring groove; 13. a first sealing ring; 14. a convex ring II; 15. a second ring groove; 16. and a second sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A plunger pump with an internal water return structure is shown in figures 1 to 3 and comprises a pump head 1, wherein the pump head 1 is formed by connecting an upper part and a lower part through screws in a pressing mode. The pump head 1 has a pump chamber 2 formed therein, the pump chamber 2 including an inlet chamber 21 for water to flow into the pump head 1 and an outlet chamber 22 for water to flow out of the pump head 1.

The top of the pump head 1 is provided with a pressure regulating valve mounting seat 3, a mounting hole 4 is axially formed in the pressure regulating valve mounting seat 3, and the mounting hole 4 is communicated with the water outlet chamber 22. The lateral wall of the pressure regulating valve mounting seat 3 is integrally formed with a water distribution pipe 5, the water distribution pipe 5 is perpendicular to the pressure regulating valve mounting seat 3, and the water distribution pipe 5 is communicated with a mounting hole 4 on the pressure regulating valve mounting seat 3. Sunken formation notch shape on the bottom of distributive pipe 5 is circular shape mounting groove 6, and mounting groove 6 sets up along the radial of distributive pipe 5, and connecting hole 7 has been seted up to the tank bottom department of mounting groove 6, and connecting hole 7 is along the radial extension of distributive pipe 5, and connecting hole 7 UNICOM in the inner chamber of distributive pipe 5. A first convex ring 11 is integrally formed on the outer wall of the water distribution pipe 5, the first mounting groove 6 is surrounded by the first convex ring 11, and the inner ring of the first convex ring 11 is flush with the notch of the first mounting groove 6. The inner wall of the first convex ring 11 is coaxially provided with at least one first annular groove 12, the inner wall of the first annular groove 12 is embedded with a first sealing ring 13, and the inner ring of the first sealing ring 13 protrudes out of the notch of the first annular groove 12.

Pump head 1 is sunken to be formed with mounting groove two 9 with the relative department of mounting groove 6, and the notch shape of mounting groove two 9 is the same with the notch shape of mounting groove one 6, and connecting hole two 10 have been seted up to the tank bottom department of mounting groove two 9, and connecting hole two 10 UNICOM in the intake chamber 21 of pump head 1. A second convex ring 14 is integrally formed on the outer wall of the pump head 1, the second mounting groove 9 is surrounded by the second convex ring 14, and the inner ring of the second convex ring 14 is flush with the notch of the second mounting groove 9. The inner wall of the second convex ring 14 is coaxially provided with at least one second annular groove 15, the inner wall of the second annular groove 15 is embedded with a second sealing ring 16, and the inner ring of the second sealing ring 16 protrudes out of the notch of the second annular groove 15.

Be provided with wet return 8 between pump head 1 and distributive pipe 5, the one end of wet return 8 is passed bulge loop 11 and is stretched into to mounting groove 6 in, and wet return 8's outer wall extrusion seal circle 13 for sealing washer 13 warp and with the clearance seal between bulge loop 11 and wet return 8, wet return 8's the other end passes bulge loop two 14 and stretches into to mounting groove two 9, and wet return 8's outer wall extrusion seal circle two 16, make sealing washer two 16 warp and with the clearance seal between bulge loop two 14 and wet return 8.

When in use, a pressure regulating valve is arranged in the mounting hole 4, and the pressure regulating valve can be opened when the water pressure in the water outlet chamber 22 is too high. When the pressure regulating valve is opened, water in the outlet chamber 22 can flow into the water diversion pipe 5 under the action of water pressure, and then the water entering the water diversion pipe 5 can enter the inlet chamber 21 through the water return pipe 8.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a plunger pump with internal water return structure, includes pump head (1), be equipped with pump chamber (2) in pump head (1), pump chamber (2) including intake chamber (21) and UNICOM in the play mill chamber (22) of intake chamber (21), characterized by: compress tightly on pump head (1) and be connected with pressure regulating valve mount pad (3), mounting hole (4) have been seted up on the top surface of pressure regulating valve mount pad (3), mounting hole (4) UNICOM in go out water room (22), integrated into one piece has distributive pipe (5) on the lateral wall of pressure regulating valve mount pad (3), distributive pipe (5) communicate in mounting hole (4), the bottom of distributive pipe (5) is sunken to be formed with mounting groove (6), the inner wall department of mounting groove (6) has seted up UNICOM in connecting hole (7) of distributive pipe (5) inner chamber, mounting groove (6) inside nestification has wet return (8), the inner chamber of wet return (8) communicate in connecting hole (7), pump head (1) is gone up sunken to be formed with the confession wet return (8) male mounting groove two (9), seted up on the inner wall of mounting groove two (9) communicate in connecting hole two (10) of intake chamber (21) ).

2. The plunger pump with internal water return structure as claimed in claim 1, wherein: integrated into one piece bulge loop (11) on the outer wall of distributive pipe (5), bulge loop (11) will mounting groove (6) surround, just the inner wall of bulge loop (11) with the notch border of mounting groove (6) flushes.

3. The plunger pump with internal water return structure as claimed in claim 2, wherein: annular one (12) has been seted up on the inner wall of bulge loop one (11), annular one (12) inside is inlayed and is equipped with sealing washer one (13), the inner circle protrusion of sealing washer one (13) in annular one (12) and support tightly in the outer wall of wet return (8).

4. The plunger pump with internal water return structure as claimed in claim 1, wherein: two body shaping bulge loop two (14) on the outer wall of pump head (1), bulge loop two (14) will mounting groove two (9) surround, just the inner wall of bulge loop two (14) with the notch border of mounting groove two (9) flushes.

5. The plunger pump with internal water return structure as claimed in claim 4, wherein: annular groove two (15) have been seted up on the inner wall of bulge loop two (14), annular groove two (15) inside is inlayed and is equipped with sealing washer two (16), the inner circle protrusion of sealing washer two (16) in annular groove two (15) and support tightly in the outer wall of wet return (8).