CN215409023U

CN215409023U - Booster pump for high-pressure cleaning machine

Info

Publication number: CN215409023U
Application number: CN202120496671.7U
Authority: CN
Inventors: 毛雄伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-01-04
Anticipated expiration: 2031-03-09

Abstract

The utility model belongs to the technical field of cleaning machines, and particularly relates to a booster pump for a high-pressure cleaning machine. The pump comprises a driving motor, a reduction gearbox and a pump body which are sequentially arranged, wherein the driving motor can drive the pump body to work through the reduction gearbox, the pump body comprises a pump shell, a water inlet and a water outlet are formed in the pump shell, a plunger is arranged in the pump shell, the reduction gearbox comprises an eccentric shaft, a driving groove is formed in the middle of the plunger, and the plunger can be driven to reciprocate axially through the rotation of the eccentric shaft; a left pump cavity and a right pump cavity are respectively formed in the left end and the right end of the plunger in the pump shell, water inlet one-way valves are arranged at the water inlet ends of the left pump cavity and the right pump cavity, which are connected with the water inlet, and water outlet one-way valves are arranged at the water outlet ends of the left pump cavity and the right pump cavity, which are connected with the water outlet. Compared with the existing single plunger, the plunger can perform water absorption and drainage processes twice when the plunger reciprocates once, so that the efficiency is greatly improved, and the structure is simple.

Description

Booster pump for high-pressure cleaning machine

Technical Field

The utility model belongs to the technical field of cleaning machines, and particularly relates to a booster pump for a high-pressure cleaning machine.

Background

The water pumps in the existing market are classified into a plurality of types, such as diaphragm pumps, vacuum pumps, plunger pumps and the like, wherein the plunger pumps are divided into single plunger pumps, double plunger pumps, triple plunger pumps and multi-cylinder plunger pumps, in a high-pressure cleaning machine, in order to make the volume of the high-pressure cleaning machine smaller and to be convenient to hold, the single plunger pumps are adopted in many cases, but the single plunger pumps also have corresponding problems, when the plungers reciprocate once, only the process of water absorption and water drainage is carried out once, the efficiency is lower, and therefore, the single plunger booster pump with higher efficiency is needed at present.

Disclosure of Invention

The utility model aims to provide a booster pump for a high-pressure cleaning machine, which has a simple structure and higher efficiency.

The purpose of the utility model is realized as follows:

a booster pump for a high-pressure cleaning machine comprises a driving motor, a reduction gearbox and a pump body which are sequentially arranged, wherein the driving motor can drive the pump body to work through the reduction gearbox, the pump body comprises a pump shell, a water inlet and a water outlet are formed in the pump shell, a movable plunger is arranged in the pump shell, the reduction gearbox comprises an eccentric shaft, an eccentric block is formed on the eccentric shaft, a driving groove is formed in the middle of the plunger, the eccentric block is located in the driving groove, and the plunger can be driven to reciprocate axially through the rotation of the eccentric shaft; a left pump cavity and a right pump cavity are respectively formed in the left end and the right end of the plunger in the pump shell, water inlet one-way valves are arranged at the water inlet ends of the left pump cavity and the right pump cavity, which are connected with the water inlet, and water outlet one-way valves are arranged at the water outlet ends of the left pump cavity and the right pump cavity, which are connected with the water outlet.

The utility model further discloses that a pressure relief channel is arranged between the water inlet and the water outlet, a pressure relief valve is arranged in the pressure relief channel, the pressure relief valve comprises a valve rod, and a pressure relief spring is sleeved on the valve rod.

Furthermore, the left side and the right side of the pump shell are provided with detachable pump covers.

The utility model further discloses that a clamping pin hole is formed in the water inlet, the water inlet is connected with a water inlet extension rod, a clamping groove is formed in the upper end of the water inlet extension rod, and after the water inlet extension rod is inserted into the water inlet, the clamping pin is inserted into the clamping pin hole to be clamped into the clamping groove, so that fixing is completed.

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

the utility model relates to a booster pump for a high-pressure cleaning machine, which is mainly used for boosting low-pressure water into high-pressure water and spraying the high-pressure water to clean articles. Compared with the existing single plunger, the single plunger pump can perform the processes of water absorption and drainage twice when the plunger reciprocates once, so that the efficiency is greatly improved, and the structure is simple. The specific structure is a driving motor, a reduction gearbox and a pump body which are sequentially arranged, wherein the driving motor is used for providing things for the work of the pump body, the reduction gearbox plays a role in conduction, and the torsion of the driving motor is enhanced. The pump body has included the pump case, transversely set up the plunger in the pump case, and seted up the drive groove at the plunger middle part, make driving motor drive plunger reciprocating motion through the reducing gear box, the pump chamber has all been seted up at both ends about the plunger, and the check valve of intaking and the check valve of going out water, be equivalent to two sets of check pump and working simultaneously, when the plunger moves toward one side, must have the pump chamber of one side and can form a vacuum low-pressure pump, thereby produce the negative pressure, inhale the pump chamber with water from the water inlet, and the opposite side can be with the quick blowout of the water of pump intracavity, the pump chamber of the left and right sides is accomplished and is inhaled water or the work that the drainage is different, efficiency promotes one time.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an internal structural view of the pump body in the present invention.

FIG. 5 is a view showing a state of connection between the eccentric shaft and the plunger in the present invention.

FIG. 6 is a schematic view of the connection structure of the water inlet extension rod of the present invention.

Fig. 7 is a cross-sectional view of the pump body of the present invention.

The reference numerals in the figures denote the meanings:

1-driving a motor; 2-a reduction gearbox; 3-a pump body; 4-a pump housing; 5-a water inlet; 6-water outlet; 7-a plunger; 8-eccentric shaft; 9-eccentric block; 10-left pump chamber; 11-right pump chamber; 12-a water inlet one-way valve;

13-water outlet one-way valve; 14-a pressure relief channel; 15-a valve stem; 16-a pressure relief spring; 17-pump cover; 18-a snap pin hole; 19-a water intake extension rod; 20-a card slot; 21-bayonet lock.

Detailed Description

The utility model is further described below with reference to specific examples:

a booster pump for a high-pressure cleaning machine comprises a driving motor 1, a reduction gearbox 2 and a pump body 3 which are sequentially arranged, wherein the driving motor 1 can drive the pump body 3 to work through the reduction gearbox 2, the pump body 3 comprises a pump shell 4, a water inlet 5 and a water outlet 6 are arranged on the pump shell 4, a movable plunger 7 is arranged in the pump shell 4, an eccentric shaft 8 is arranged on the reduction gearbox 2, an eccentric block 9 is formed on the eccentric shaft 8, a driving groove is formed in the middle of the plunger 7, the eccentric block 9 is positioned in the driving groove, and the plunger 7 can be driven to reciprocate axially through rotation of the eccentric shaft 8; a left pump cavity 10 and a right pump cavity 11 are respectively formed at the left end and the right end of the plunger 7 inside the pump shell 4, water inlet one-way valves 12 are respectively arranged at the water inlet ends of the left pump cavity 10 and the right pump cavity 11 connected with the water inlet 5, and water outlet one-way valves 13 are respectively arranged at the water outlet ends of the left pump cavity 10 and the right pump cavity 11 connected with the water outlet 6.

The utility model relates to a booster pump for a high-pressure cleaning machine, which is mainly used for boosting low-pressure water into high-pressure water and spraying the high-pressure water to clean articles. Compared with the existing single plunger 7, the single plunger 7 pump can perform two water absorption and drainage processes when the plunger 7 reciprocates once, so that the efficiency is greatly improved, and the structure is simple. The concrete structure is for driving motor 1, reducing gear box 2 and the pump body 3 that sets gradually, and driving motor 1 is used for providing the thing for the work of the pump body 3, and reducing gear box 2 plays the conduction effect to strengthen driving motor 1's torsion. The pump body 3 has included pump case 4, transversely set up plunger 7 in pump case 4, and the drive groove has been seted up at plunger 7 middle part, make driving motor 1 can drive plunger 7 reciprocating motion through reducing gear box 2, the pump chamber has all been seted up at both ends about plunger 7, and intake check valve 12 and play water check valve 13, be equivalent to two sets of single plunger 7 pumps in simultaneous working, when plunger 7 moves toward one side, the pump chamber that must have one side can form a vacuum low-pressure pump, thereby produce the negative pressure, inhale the pump chamber with water from water inlet 5, and the opposite side can be with the quick blowout of water in the pump chamber, the different work of absorbing water or drainage is accomplished to the pump chamber of the left and right sides, efficiency promotes one time.

According to a preferable scheme of the utility model, a pressure relief channel 14 is arranged between the water inlet 5 and the water outlet 6, a pressure relief valve is arranged in the pressure relief channel 14, the pressure relief valve comprises a valve rod 15, and a pressure relief spring 16 is sleeved on the valve rod 15. When the water pressure in the water outlet 6 is too high, the pressure in the water outlet 6 overcomes the elastic force of the pressure relief spring 16 to drive the valve rod 15 to move, so that the high-pressure water outlet area is communicated with the low-pressure water inlet area, the pressure relief is finished, and the pump body 3 is prevented from being damaged due to the too high pressure in the water outlet 6.

In a preferred embodiment of the present invention, the pump housing 4 has detachable pump covers 17 on both sides. The pump cover 17 can be detached, facilitating maintenance and replacement of internal parts.

According to a preferable scheme of the utility model, a clamping pin hole 18 is formed in the water inlet 5, a water inlet extension rod 19 is connected to the water inlet 5, a clamping groove 20 is formed in the upper end of the water inlet extension rod 19, and after the water inlet extension rod 19 is inserted into the water inlet 5, a clamping pin 21 is inserted into the clamping pin hole 18, so that the clamping pin 21 is clamped into the clamping groove 20, and fixation is completed.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a booster pump for high pressure cleaner, is including the driving motor, reducing gear box and the pump body that set gradually, and driving motor can drive pump body work, its characterized in that through the reducing gear box: the pump body comprises a pump shell, a water inlet and a water outlet are formed in the pump shell, a movable plunger is arranged in the pump shell, an eccentric shaft is arranged on the reduction box, an eccentric block is formed on the eccentric shaft, a driving groove is formed in the middle of the plunger, the eccentric block is located in the driving groove, and the rotation of the eccentric shaft can drive the plunger to reciprocate axially; a left pump cavity and a right pump cavity are respectively formed in the left end and the right end of the plunger in the pump shell, water inlet one-way valves are arranged at the water inlet ends of the left pump cavity and the right pump cavity, which are connected with the water inlet, and water outlet one-way valves are arranged at the water outlet ends of the left pump cavity and the right pump cavity, which are connected with the water outlet.

2. A booster pump for a high pressure cleaner as defined in claim 1, wherein: a pressure relief channel is formed between the water inlet and the water outlet, a pressure relief valve is arranged in the pressure relief channel and comprises a valve rod, and a pressure relief spring is sleeved on the valve rod.

3. A booster pump for a high pressure cleaner as defined in claim 1, wherein: and detachable pump covers are arranged on the left side and the right side of the pump shell.

4. A booster pump for a high-pressure washer according to any one of claims 1-3, characterized in that: the shaping has the card pinhole on the water inlet, be connected with the extension rod of intaking on the water inlet, the draw-in groove has been seted up to the upper end of the extension rod of intaking, and after the extension rod of intaking inserted the water inlet, through inserting the card pinhole with the bayonet lock, make the bayonet lock card go into the draw-in groove, accomplish fixedly.