CN213870234U

CN213870234U - Improved generation high pressure cleaner pump

Info

Publication number: CN213870234U
Application number: CN202023197073.4U
Authority: CN
Inventors: 王炎冰
Original assignee: Ningbo Weishi Tool Technology Co ltd
Current assignee: Ningbo Cixi Import & Export Holding Co ltd; Ningbo Weishi Electrical Appliance Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-03
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an improved generation high pressure cleaner pump aims at providing one kind and has normally open the function and avoid the interior hydrologic cycle of the pump body to lead to overheated high pressure cleaner pump, and its technical scheme main points are including: the pump body, be provided with the air-vent valve that is used for adjusting the discharge on the pump body, the air-vent valve includes valve body, case and straining device, the valve body has the intercommunication the inhalant canal of pump body inlet channel, intercommunication pump body outlet conduit to and the valve pocket of intercommunication inhalant canal and outlet conduit, the case is movable connects in the valve pocket, and through removing the regulation of valve pocket flow is realized to the case, straining device supplies the case has just to close the pretightning force of outlet conduit, the inhalant canal internal diameter is less than the outlet conduit internal diameter for the inhalant canal internal water pressure is greater than the inhalant canal internal water pressure throughout, the utility model discloses be suitable for high pressure cleaner technical field.

Description

Improved generation high pressure cleaner pump

Technical Field

The utility model relates to a high pressure cleaner technical field more exactly relates to an improved generation high pressure cleaner pump.

Background

The high-pressure cleaning machine can peel off dirt and wash away the dirt by using the machine which enables the high-pressure plunger pump to generate high-pressure water to wash the surface of an object through the power device, thereby achieving the purpose of cleaning the surface of the object. The conventional pressure regulating valve structure used by the plunger pump of the high-pressure cleaning machine in the current market mainly realizes the purpose of pressure regulation by carrying out pressure relief at the high-pressure tail end. The pressure regulating method mainly adopts a pressure regulating valve for pressure regulation, the pressure regulating valve adopts the principle of a common ball valve structure, and the structure has low regulating precision, and the regulating degree is not fine and smooth enough and is difficult to control in actual use; particularly, the high-power machine type is difficult to control in matching, and in addition, pressure difference is easy to occur at two ends of the steel ball in the using process, so that the steel ball is blocked and a water outlet channel cannot be opened. If the steel ball is in a stuck state, the power supply of the motor is not cut off in the using process, the power motor of the high-pressure cleaning machine still operates, at the moment, water flow circulates in the pump, the temperature of the water flow in the pump is rapidly increased, the rubber sealing piece in the pump is inevitably overheated, the service life is reduced, and the problem that the steel ball is easy to be stuck is solved by some other pressure regulating valves adopting threaded rotary pressure regulation.

Disclosure of Invention

Aiming at the defects of the prior art, the high-pressure cleaning machine pump has a normally open function and avoids overheating caused by water circulation in the pump body.

An improved high pressure washer pump comprising: the pressure regulating valve comprises a valve body, a valve core and a tensioning mechanism, wherein the valve body is provided with a water inlet channel communicated with a water inlet pipeline of the pump body, a water outlet channel communicated with a water outlet pipeline of the pump body and a valve cavity communicated with the water inlet channel and the water outlet channel, the valve core is movably connected to the valve cavity, the valve core is moved to regulate the flow of the valve cavity, the tensioning mechanism supplies the valve core with pretightening force for just closing the water outlet channel, and the inner diameter of the water inlet channel is smaller than that of the water outlet channel, so that the pressure of the water in the water inlet channel is always greater than that of the water in the water outlet channel in the working process of the pump body, and the water outlet channel is normally open.

After the structure above the adoption, the utility model discloses an improved generation high pressure cleaner pump compares with prior art, has following advantage: the sliding of the sliding plug is adopted to realize the opening and closing of the water outlet channel, so that the problem that the steel ball is easy to block due to pressure difference is avoided; when the valve core is used, water in the water inlet channel enters the valve cavity to overcome the pretightening force, so that the valve core can move upwards, and the water outlet channel is opened; the internal diameter of inhalant canal is less than exhalant canal's internal diameter for the pump body is at the during operation, and the water pressure in the inhalant canal is greater than all the time, through the aforesaid improvement, realizes inhalant canal to exhalant canal's open design, starts work when the pump, can make the case rise, realizes switching on of inhalant canal and drainage channel, and the user passes through, presses down the handle and can realize the control to the flow, and then realizes hydraulic adjustment.

As an improvement of the utility model, the water inlet channel is vertical angle and the valve cavity is communicated with the setting. Through the improvement, the device has the characteristics of reasonable structure and stable and reliable use.

As an improvement of the utility model, the water outlet channel and the valve cavity are arranged with the same axis. Through the improvement, the structural layout of the device is more reasonable, and the stability and reliability of use are improved.

As an improvement of the utility model, the airtight disk seat of installing on the valve body of valve pocket tail end, be provided with the guide arm that extends to the disk seat outside on the case. Through the improvement, the stability of the sliding of the valve core is improved.

As an improvement of the utility model, straining device includes the button and supports to establish spring between disk seat and the case, the guide arm tip in the button and the disk seat outside offsets, and on the gliding connection of button and the disk seat, through stirring the button realizes the regulation to the water body flow in the valve pocket. The valve core obtains pretightening force through the spring, and the valve core has the characteristic of high stability; the button is arranged, the flow of water in the valve cavity is adjusted through the fluctuation button, and the valve has the characteristic of convenience in use.

As an improvement of the utility model, the valve core is provided with a hole body for communicating the valve cavities at the upper end and the lower end of the valve core. The valve core is provided with the hole body communicated with the valve cavities at the upper end and the lower end of the valve core, so that in the initial state that the valve core closes the water outlet channel, after water enters the water inlet channel, water can enter the valve cavity at the lower end of the valve core through the hole body, the valve core is pushed to move upwards to open the opening of the water outlet channel, and the water outlet channel is communicated with the water inlet channel through the valve cavities.

As an improvement of the utility model, the valve pocket lower extreme is provided with the cushion, set up the through-hole that is linked together with water outlet channel on the cushion, and the through-hole internal diameter with water outlet channel internal diameter is unanimous, the open end of through-hole is formed with the notch. The cushion block is arranged in the valve cavity, and the cushion block is arranged in the valve cavity, so that the buffer valve core has the functions of buffering the valve core and prolonging the service life.

As an improvement of the utility model, the institute correspond on the case the notch is provided with the end cap, the end cap is the round hammer shape structure, works as the end cap cooperatees with the notch then realizes closing of exhalant canal, works as the end cap leaves the notch then realizes opening of exhalant canal. The plug matched with the notch on the cushion block is arranged on the valve core, so that the stability and reliability of matching are improved, and the service life is prolonged.

As an improvement of the utility model, the outlet conduit of the pump body with still be provided with the overflow valve between the inhalant canal, work as when water pressure was too high in the pump body outlet conduit, the overflow valve is opened, makes water in the pump body outlet conduit gets into pump body inhalant canal. Through the improvement, the pressure relief protection can be carried out when the pressure is too high, and the service life of the device is prolonged.

As an improvement of the utility model, the water outlet channel is in through middle pipe fitting intercommunication setting between pump body outlet conduit's delivery port and the overflow valve. Through the improvement, the structural layout of the device is more reasonable.

Drawings

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

Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of the cushion block structure of the present invention.

Fig. 4 is a schematic diagram of the present invention.

Shown in the figure: 1. a pump body; 2. a pressure regulating valve; 21. a valve body; 211. a water inlet channel; 212. a water outlet channel; 213. a valve cavity; 22. a valve core; 221. a porous body; 23. a tensioning mechanism; 231. a button; 232. a spring; 3. a valve seat; 4. a guide bar; 5. cushion blocks; 51. a through hole; 511. a recess; 6. an overflow valve; 7. an intermediate pipe.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1-4, an improved high pressure washer pump of the present invention comprises: the pump body 1, be provided with the air-vent valve 2 that is used for adjusting water flow on the pump body 1, air-vent valve 2 includes valve body 21, case 22 and straining device 23, valve body 21 has the intercommunication water intake passage 211 of the 1 inlet channel of the pump body, the water outlet channel 212 of the 1 outlet channel of the intercommunication pump body to and the valve pocket 213 of intercommunication water intake passage 211 and water outlet channel 212, the movable connection of case 22 is in valve pocket 213, and through removing the regulation of valve pocket 213 flow is realized to case 22, straining device 23 supplies case 22 has and just closes the pretightning force of water outlet channel 212, water intake passage 211 internal diameter is less than water outlet channel 212 internal diameter, makes the interior water body pressure intensity of water intake passage 211 be greater than water outlet channel 212 internal water pressure all the time in the pump body 1 course of operation to realize that water outlet channel 212 normally opens.

Referring to fig. 2, 3 and 4, the water inlet 211 is vertically connected to the valve chamber 213. The water outlet passage 212 and the valve cavity 213 are arranged coaxially. The valve body 21 at the tail end of the valve cavity 213 is hermetically provided with a valve seat 3, and the valve core 22 is provided with a guide rod 4 extending to the outer side of the valve seat 3. The tensioning mechanism 23 comprises a button 231 and a spring 232 which is abutted between the valve seat 3 and the valve core 22, the button 231 is abutted against the end of the guide rod 4 outside the valve seat 3, the button 231 is connected with the valve seat 3 in a sliding manner, and the flow of water in the valve cavity 213 is adjusted by shifting the button 231. The valve core 22 is provided with a hole body 221 which is communicated with the valve cavities 213 at the upper end and the lower end of the valve core 22. The lower end of the valve cavity 213 is provided with a cushion block 5, the cushion block 5 is provided with a through hole 51 communicated with the water outlet channel 212, the inner diameter of the through hole 51 is consistent with that of the water outlet channel 212, and the opening end of the through hole 51 is provided with a notch 511. The plug 222 is arranged on the valve core 22 corresponding to the notch 511, the plug 222 is in a round hammer shape, when the plug 222 is matched with the notch 511, the closing of the water outlet channel 212 is realized, and when the plug 222 leaves the notch 511, the opening of the water outlet channel 212 is realized. Still be provided with overflow valve 6 between the outlet conduit of the pump body 1 and the inhalant canal 211, work as when water pressure was too high in the outlet conduit of the pump body 1, overflow valve 6 was opened, made the water in the outlet conduit of the pump body 1 gets into the inhalant conduit of the pump body 1. The water outlet channel 212 is communicated and arranged between the water outlet of the water outlet pipeline of the pump body 1 and the overflow valve 6 through an intermediate pipe fitting 7.

The working principle is as follows: when the water supply device is used, a worker communicates the water inlet pipeline of the pump body 1 with the water source end, so that when the pump body 1 works, the water inlet channel 211 can enter a water body, the water outlet pipeline of the pump body 1 is connected with a water gun, when the pump body 1 is opened, the water body enters from the water inlet pipeline, enters the water inlet channel 211 of the valve body 21 after pressurization, enters the valve cavity 213 at the lower end of the valve core 22 from the through hole 51 and overcomes the pretightening force to enable the valve core 22 to move upwards, the valve cavity 213 communicates the water inlet channel 211 with the water outlet channel 212, the water body can enter the water outlet channel 212 from the water inlet channel 211, and the user can adjust the water body flow in the valve cavity 213 through the fluctuation button 231. The device adopts the sliding of the sliding plug to realize the opening and closing of the water outlet channel 212, thereby avoiding the problem that the steel ball is easy to be blocked due to pressure difference; the pretightening force of the tension mechanism 23 enables the valve core 22 to have the pretightening force which just closes the water outlet channel 212, when in use, water in the water inlet channel 211 enters the valve cavity 213 and overcomes the pretightening force, so that the valve core 22 can move upwards, and the water outlet channel 212 is opened; the internal diameter of inhalant canal 211 is less than the internal diameter of exhalant canal 212 for pump body 1 is at the during operation, and the water pressure in inhalant canal 211 is greater than all the time, through the aforesaid improvement, realizes inhalant canal 211 to the open design of exhalant canal 212, starts work when the pump, can make case 22 rise, realizes switching on of inhalant canal 211 and drainage channel, and the user passes through, presses down the handle and can realize the control to the flow, and then realizes hydraulic adjustment. The valve core 22 obtains pretightening force through the spring 232, and has the characteristic of high stability; the button 231 is arranged, the flow of water in the valve cavity 213 is adjusted through the fluctuation button 231, and the water-saving valve has the characteristic of convenience in use. The valve core 22 is provided with the hole body 221 which is communicated with the valve cavities 213 at the upper end and the lower end of the valve core 22, so that in the initial state that the valve core 22 closes the water outlet passage 212, after water enters from the water inlet passage 211, water can enter the valve cavity 213 at the lower end of the valve core 22 through the hole body 221, and the valve core 22 is pushed to move upwards to open the opening of the water outlet passage 212 so as to be communicated with the water inlet passage 211 through the valve cavity 213, and the water inlet and outlet valve has the characteristics of stability and reliability.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. The plug matched with the notch on the cushion block is arranged on the valve core, so that the stability and reliability of matching are improved, and the service life is prolonged.

Claims

1. An improved high pressure washer pump comprising: the pump body (1), be provided with on the pump body (1) and be used for adjusting out the air-vent valve (2) of water flow, its characterized in that: the pressure regulating valve (2) comprises a valve body (21), a valve core (22) and a tensioning mechanism (23), the valve body (21) is provided with a water inlet channel (211) communicated with a water inlet pipeline of the pump body (1) and a water outlet channel (212) communicated with a water outlet pipeline of the pump body (1), and a valve cavity (213) communicated with the water inlet passage (211) and the water outlet passage (212), the valve core (22) is movably connected with the valve cavity (213), and the flow of the valve cavity (213) is adjusted by moving the valve core (22), the tensioning mechanism (23) provides a pretightening force for the valve core (22) to just close the water outlet channel (212), the inner diameter of the water inlet channel (211) is smaller than that of the water outlet channel (212), so that the water pressure in the water inlet channel (211) is always greater than that in the water outlet channel (212) in the working process of the pump body (1), and the water outlet channel (212) is normally opened.

2. An improved high pressure washer pump as in claim 1, wherein: the water inlet passage (211) is arranged in a vertical angle and communicated with the valve cavity (213).

3. An improved high pressure washer pump as in claim 2, wherein: the water outlet channel (212) and the valve cavity (213) are arranged coaxially.

4. An improved high pressure washer pump as in claim 3, wherein: the valve body (21) at the tail end of the valve cavity (213) is hermetically provided with a valve seat (3), and the valve core (22) is provided with a guide rod (4) extending to the outer side of the valve seat (3).

5. An improved high pressure washer pump as in claim 4, wherein: the tensioning mechanism (23) comprises a button (231) and a spring (232) which is abutted between the valve seat (3) and the valve core (22), the button (231) is abutted against the end part of the guide rod (4) on the outer side of the valve seat (3), the button (231) is connected with the valve seat (3) in a sliding mode, and the flow of water in the valve cavity (213) is adjusted by shifting the button (231).

6. An improved high pressure washer pump as in claim 5, wherein: the valve core (22) is provided with a hole body (221) communicated with the valve cavities (213) at the upper end and the lower end of the valve core (22).

7. An improved high pressure washer pump as in claim 6, wherein: the lower end of the valve cavity (213) is provided with a cushion block (5), the cushion block (5) is provided with a through hole (51) communicated with the water outlet channel (212), the inner diameter of the through hole (51) is consistent with that of the water outlet channel (212), and a notch (511) is formed at the opening end of the through hole (51).

8. An improved high pressure washer pump as claimed in claim 7, wherein: the valve core (22) is provided with a plug (222) corresponding to the notch (511), the plug (222) is of a round hammer-shaped structure, when the plug (222) is matched with the notch (511), the water outlet channel (212) is closed, and when the plug (222) leaves the notch (511), the water outlet channel (212) is opened.

9. An improved high pressure washer pump as in claim 1, wherein: the water pump is characterized in that an overflow valve (6) is further arranged between the water outlet pipeline of the pump body (1) and the water inlet channel (211), and when the water pressure in the water outlet pipeline of the pump body (1) is too high, the overflow valve (6) is opened to enable the water in the water outlet pipeline of the pump body (1) to enter the water inlet pipeline of the pump body (1).

10. An improved high pressure washer pump as claimed in claim 9, wherein: the water outlet channel (212) is communicated and arranged between a water outlet of the water outlet pipeline of the pump body (1) and the overflow valve (6) through a middle pipe fitting (7).