CN115007530B - Pressure regulating type high-pressure water cleaning machine and pressure regulating method thereof - Google Patents
Pressure regulating type high-pressure water cleaning machine and pressure regulating method thereof Download PDFInfo
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- CN115007530B CN115007530B CN202210675196.9A CN202210675196A CN115007530B CN 115007530 B CN115007530 B CN 115007530B CN 202210675196 A CN202210675196 A CN 202210675196A CN 115007530 B CN115007530 B CN 115007530B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 241
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 238000004140 cleaning Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 37
- 239000012530 fluid Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The invention provides a pressure regulating type high-pressure water cleaning machine and a pressure regulating method thereof, and relates to the technical field of high-pressure water cleaning machines, wherein the cleaning machine comprises a high-pressure pump, a pressure regulating device is arranged on the high-pressure pump, the pressure regulating device comprises an electronic controller and an electric control element, and the electronic controller is electrically connected with the electric control element; the electric control element comprises at least two electromagnetic valves connected in parallel and a regulating valve corresponding to the electromagnetic valves, and the electromagnetic valves are used for driving the regulating valve so as to realize the connection and the closing of the regulating valve; the water outlet end of the high-pressure pump is communicated with the water inlet end of the regulating valve, and the water outlet end of the regulating valve is communicated with the water inlet end of the high-pressure pump; the electromagnetic valve is electrified or disconnected through the electronic controller, so that the regulating valve is conducted or closed, and the water pressure of the high-pressure pump is regulated. The pressure regulating type high-pressure water cleaning machine is quite convenient to regulate water pressure, low in production cost, simple in structure, durable and high in practicality.
Description
Technical Field
The disclosure relates to the technical field of high-pressure water cleaners, and more particularly to a pressure-regulating high-pressure water cleaner and a pressure regulating method thereof.
Background
The high-pressure water cleaner, also called high-pressure cleaner or high-pressure water jet cleaner, is a cleaning equipment which uses high-pressure water conversion device to make water pass through several stages of pressurization so as to make its pressure be above several hundred atmospheres, then uses specially-made spraying device with fine pore diameter to convert it into high-speed "water jet". The water jet has huge striking energy, can complete different cleaning and clearing tasks, and is one of the most scientific, economic and environment-friendly cleaning modes in the world because of the characteristics of the water jet. At present, the high-pressure water cleaning machine is widely applied in the fields of ship industry, petrochemical industry, electronic industry, automobile industry, construction engineering, food processing, hydraulic cleaning and dismantling and the like.
In general, the high-pressure water cleaning machine changes the water flow pressure in the high-pressure pump through the pressure regulating valve to realize the pressure regulation of the high-pressure water cleaning machine, but the high-pressure water cleaning machine on the market at present is mostly stepless pressure regulation, and the regulation of the water flow pressure is usually realized through changing the aperture size of a high-pressure water flow channel in the pressure regulating valve, so that the high-pressure water cleaning machine has higher cost, more complicated structure, smaller stepless pressure regulation requirement in actual use and insufficient application range.
The patent with the publication number of CN210386764U provides an adjustable high-pressure cleaning machine, which comprises a motor and a high-pressure pump, wherein an exhaust valve and a pressure regulating device are arranged on the high-pressure pump, and the exhaust valve and the pressure regulating device are fixed on the high-pressure pump; a water outlet is arranged below the exhaust valve, one side of the water outlet is provided with an overflow valve, and a first hole of a communication channel is arranged between the water outlet and the overflow valve; the other side of the overflow valve is provided with a micro-switch box assembly, and the overflow valve is inserted into the micro-switch box assembly; the pressure regulating device comprises a pressure regulating knob and a pressure regulating valve, and the pressure regulating knob is sleeved above the pressure regulating valve; the pressure regulating valve is characterized in that a pressure regulating valve spring is arranged above the inside of the pressure regulating valve, a valve head is arranged at the bottom of the pressure regulating valve, a valve seat is arranged below the valve head, and a gap with adjustable interval is arranged between the valve head and the valve seat. In this disclosure, when high-pressure water flows through the pressure regulating valve, because of a pressure difference, the water flows to a low-pressure area below the valve seat through a gap between the valve head and the valve seat, so that a part of the pressure is lost, the tightness of a pressure regulating valve spring is changed by adjusting a pressure regulating button, and the gap between the valve head and the valve seat is changed to control the magnitude of the pressure loss, so that the water quantity and the pressure during water outlet are regulated. The pressure regulating mode of the pressure regulating high-pressure cleaning machine is stepless pressure regulating, the use requirement of stepless pressure regulating is small in the actual use process, the pressure regulating high-pressure cleaning machine is not convenient and practical, and the pressure of high-pressure water in the high-pressure pump to the pressure regulating valve is large, so that the pressure regulating valve with the structure is not durable enough and is easy to damage.
Disclosure of Invention
The utility model provides a pressure regulating formula high pressure water cleaning machine and pressure regulating method thereof, this pressure regulating formula high pressure water cleaning machine is very convenient to the regulation of water pressure, and low in production cost, simple structure, durable to the problem that among the prior art, pressure regulating formula high pressure water cleaning machine is set up to electrodeless formula pressure regulating more, and the structure is comparatively complicated, and the manufacturing cost is higher, and pressure regulating mode is convenient inadequately practical.
The technical scheme adopted by the present disclosure for solving the technical problems is that a pressure-regulating high-pressure water cleaning machine is provided, the pressure-regulating high-pressure water cleaning machine comprises a high-pressure pump, a pressure-regulating device is arranged on the high-pressure pump, the pressure-regulating device comprises an electronic controller and an electric control element, and the electronic controller is electrically connected with the electric control element; the electric control element comprises at least two electromagnetic valves connected in parallel and a regulating valve corresponding to the electromagnetic valves, and the electromagnetic valves are used for driving the regulating valve so as to realize the connection and the closing of the regulating valve; the water outlet end of the high-pressure pump is communicated with the water inlet end of the regulating valve, and the water outlet end of the regulating valve is communicated with the water inlet end of the high-pressure pump; the electromagnetic valve is electrified or disconnected through the electronic controller, so that the regulating valve is conducted or closed, and the water pressure of the high-pressure pump is regulated.
In some embodiments, the electric control element includes a first electromagnetic valve, a second electromagnetic valve, and a first regulating valve and a second regulating valve corresponding to the first electromagnetic valve and the second electromagnetic valve, the first electromagnetic valve is connected with the first regulating valve, the first electromagnetic valve is used for driving the first regulating valve, the second electromagnetic valve is connected with the second regulating valve, and the second electromagnetic valve is used for driving the second regulating valve.
In some embodiments, the first regulator valve is in an on state when the first solenoid valve is energized and in a off state when the first solenoid valve is de-energized; when the second electromagnetic valve is electrified, the second electromagnetic valve is in a conducting state, and when the second electromagnetic valve is disconnected, the second electromagnetic valve is in a closing state.
In some embodiments, the electronic controller includes a transmitting unit, a receiving unit and a main control unit, wherein the transmitting unit is used for sending out an instruction, the receiving unit is used for receiving the instruction, and the main control unit is used for enabling the first electromagnetic valve or the second electromagnetic valve to be electrified or disconnected, so that the first regulating valve or the second regulating valve is conducted or closed, and the regulation of the water pressure of the high-pressure pump is achieved.
In some embodiments, the high-pressure pump is further provided with a water gun, the water gun is provided with a pressure regulating button, the pressure regulating button is electrically connected with the electronic controller, and the electronic controller executes corresponding pressure regulating instructions by regulating the pressure regulating button.
In some embodiments, the pressure regulating button is provided with a three-gear pressure regulating, including a high-pressure gear, a medium-pressure gear, and a low-pressure gear; when the first regulating valve and the second regulating valve are simultaneously in a closed state, water in the high-pressure pump does not pass through the regulating valve, and the water outlet pressure of the cleaning machine is highest and is in a high-pressure gear; when one of the first regulating valve and the second regulating valve is in a closed state and the other is in a conducting state, part of water in the high-pressure pump flows back to the water inlet end of the high-pressure pump through one of the conducting regulating valves, and the water outlet pressure of the cleaning machine is reduced to be a medium-pressure gear; when the first regulating valve and the second regulating valve are in a conducting state at the same time, part of water in the high-pressure pump flows back to the water inlet end of the high-pressure pump through the two regulating valves, and the water outlet pressure of the cleaning machine is further reduced to be a low-pressure gear.
In some embodiments, the first and second regulator valves are the same structure.
In some embodiments, the first regulator valve comprises a valve body; the lower valve seat is arranged in the valve body; the guide seat is arranged on the lower valve seat; the upper valve seat is arranged in the valve body, is connected with the lower valve seat through the guide seat, and forms a fluid channel inside; the valve core is basically in a circular shaft-shaped structure, is arranged in the fluid channel, penetrates through the upper valve seat and the lower valve seat in the axial direction, is guided by the inner wall of the guide seat, and can move in the fluid channel along the axial direction.
In some embodiments, the valve core is connected with the first electromagnetic valve through a push arm, the length direction of the push arm is perpendicular to the axial direction of the valve core, a pressing block is arranged at the top of the valve core, a guide hole is formed in the push arm, the valve core penetrates through the guide hole, an inclined surface is arranged on the top surface of the guide hole, the inclined surface is in contact with the bottom surface of the pressing block, the first electromagnetic valve drives the push arm to horizontally move, and the valve core is guided by the inclined surface to axially move along the valve core.
In some embodiments, a water inlet hole is arranged at the center of the bottom of the lower valve seat, a water outlet hole is arranged on the inner wall of the lower valve seat, and the water inlet hole is communicated with the water outlet hole to form a fluid channel.
In some embodiments, a sealing part is arranged at the bottom end of the valve core, the outer contour of the sealing part is arc-shaped, and the sealing part is separated from or contacted with the water inlet by moving the valve core, so that the conduction or closing of the regulating valve is realized.
In some embodiments, a water inlet is arranged at the center of the bottom of the valve body, the position of the water inlet corresponds to the water inlet hole, the water inlet is communicated with the fluid channel in the vertical direction, a water outlet is arranged on the peripheral surface of the valve body, the position of the water outlet corresponds to the water outlet hole, and the water outlet is communicated with the fluid channel in the horizontal direction.
In some embodiments, the valve body has a first inner wall and a second inner wall, the second inner wall of the valve body having a diameter greater than the first inner wall diameter, the water outlet extending horizontally through to the second inner wall of the valve body.
In some embodiments, the outer peripheral surface of the lower valve seat is in contact with the first inner wall of the valve body, and the bottom of the lower valve seat is provided with a first sealing ring, and the first sealing ring is simultaneously in contact with the first inner wall and the inner bottom surface of the valve body, so that the sealing effect is achieved.
In some embodiments, a second sealing ring is arranged on the upper valve seat, the horizontal position of the second sealing ring is higher than that of the water inlet, and the second sealing ring is in contact with the second inner wall of the valve body, so that the sealing effect is achieved.
In some embodiments, a spring is installed in the upper valve seat, and acts on the valve core, so that the valve core can move axially under the drive of the first electromagnetic valve through the guiding of the inclined surface on the pushing arm.
In some embodiments, a spring seat is provided on the valve core, the spring is installed on the spring seat, an annular protrusion is further provided on the valve core, and the spring acts on the spring seat to enable the bottom of the spring seat to abut against the annular protrusion.
In some embodiments, the inner wall of the upper valve seat has a first stepped surface and a second stepped surface, the inner wall diameter of the first stepped surface being smaller than the inner wall diameter of the second stepped surface.
In some embodiments, a third sealing ring is arranged at the first step surface of the upper valve seat, a limiting piece is arranged at the second step surface of the upper valve seat, the limiting piece is abutted against the second step surface through the action of a spring, so that the third sealing ring is abutted against the first step surface, and the third sealing ring is in contact with the valve core, so that the through part at the top of the upper valve seat is sealed.
The pressure regulating method of the pressure regulating type high-pressure water cleaning machine comprises the following steps:
when the pressure regulating button is positioned at a high-pressure gear, the transmitting unit transmits a high-pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve and the second electromagnetic valve to be kept in a disconnected state, so that the first regulating valve and the second regulating valve are in a closed state;
when the pressure regulating button is positioned at the medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit enables one of the first electromagnetic valve and the second electromagnetic valve to be in a power-on state and the other to be in a power-off state, so that the corresponding one of the first regulating valve and the second regulating valve is in a power-on state and the other one is in a power-off state;
when the pressure regulating button is positioned at a low pressure gear, the transmitting unit transmits a low pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve and the second electromagnetic valve to be in an electrified state, so that the first regulating valve and the second regulating valve are in a conducting state.
In some embodiments, when the pressure-regulating button is shifted from the high-pressure gear to the medium-pressure gear, the transmitting unit transmits a medium-pressure command, the receiving unit receives the command, and the main control unit energizes the first solenoid valve so that the first regulating valve is turned on, and the second solenoid valve is kept in an off state.
In some embodiments, when the pressure-regulating button is shifted from the medium pressure gear to the low pressure gear, the transmitting unit transmits a low pressure command, the receiving unit receives the command, and the main control unit energizes the second solenoid valve, so that the second regulating valve is turned on, and the first solenoid valve is kept in an energized state.
In some embodiments, when the pressure-regulating button is shifted from the low-pressure gear to the medium-pressure gear, the transmitting unit issues a medium-pressure command, the receiving unit receives the command, and the main control unit turns off the second solenoid valve, so that the second regulating valve is closed, and the first solenoid valve remains in an energized state.
In some embodiments, when the pressure-regulating button is shifted from the medium pressure gear to the high pressure gear, the transmitting unit transmits a high pressure command, the receiving unit receives the command, and the main control unit disconnects the first solenoid valve, so that the first regulating valve is closed, and the second solenoid valve is kept in a disconnected state.
Compared with the prior art, the pressure regulating type high-pressure water cleaning machine and the pressure regulating method thereof are quite convenient to regulate water pressure, low in production cost, simple in structure, durable and high in practicality.
Drawings
The present disclosure will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present disclosure. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
Fig. 1: the flow schematic diagram of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 2: the structure schematic diagram of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 3: the structure schematic diagram of the regulating valve of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 4: the conduction state schematic diagram of the regulating valve of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 5: the partial structure schematic diagram of the regulating valve of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 6: the closing state schematic diagram of a regulating valve of a pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 7: the partial structure schematic diagram of the regulating valve of the pressure regulating type high-pressure water cleaning machine is provided by the disclosure;
fig. 8: the valve body structure schematic diagram of the regulating valve of the pressure regulating high-pressure water cleaning machine is provided by the disclosure;
wherein, 1, a high-pressure pump; 101. a water inlet end; 102. a water outlet end; 2. a first regulating valve; 3. a second regulating valve; 4. a first electromagnetic valve; 5. a second electromagnetic valve; 21. a valve body; 2101. a water inlet; 2102. a water outlet; 2103. a first inner wall; 2104. a second inner wall; 22. a lower valve seat; 2201. a water inlet hole; 2202. a water outlet hole; 23. a guide seat; 24. an upper valve seat; 2401. a first step surface; 2402. a second step surface; 25. a valve core; 2501. briquetting; 2502. a sealing part; 2503. an annular protrusion; 27. pushing arms; 2701. a guide hole; 2702. an inclined plane; 2801. a first seal ring; 2802. a second seal ring; 2803. a third seal ring; 29. a spring; 2901. a spring seat; 2902. and a limiting piece.
Detailed Description
The present disclosure is described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present disclosure will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.
It will be appreciated by those skilled in the art that in the present invention, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore the above terms should not be construed as limiting the invention.
Embodiment one:
as shown in fig. 1 and 2, the cleaning machine comprises a high-pressure pump 1, a pressure regulating device is arranged on the high-pressure pump 1, the pressure regulating device comprises an electronic controller and an electric control element, the electronic controller is electrically connected with the electric control element, and preferably, in the embodiment, the electronic controller is controlled by a remote control, the electric control element comprises at least two electromagnetic valves connected in parallel, and regulating valves corresponding to the electromagnetic valves, and the electromagnetic valves are used for driving the regulating valves so as to realize the connection and the disconnection of the regulating valves; the water outlet end 102 of the high-pressure pump 1 is communicated with the water inlet of the regulating valve, and the water outlet of the regulating valve is communicated with the water inlet end 101 of the high-pressure pump 1; the electromagnetic valve is electrified or disconnected through the electronic controller, so that the regulating valve is turned on and off, and the water yield in the high-pressure pump 1 is regulated, so that the water pressure of the high-pressure pump 1 is regulated.
Further, in the present embodiment, the electric control element includes a first electromagnetic valve 4, a second electromagnetic valve 5, and a first regulating valve 2 and a second regulating valve 3 corresponding to the first electromagnetic valve 4 and the second electromagnetic valve 5, where the first electromagnetic valve 4 is connected to the first regulating valve 2, the first electromagnetic valve 4 is used to drive the first regulating valve 2, the second electromagnetic valve 5 is connected to the second regulating valve 3, and the second electromagnetic valve 5 is used to drive the second regulating valve 3; when the first electromagnetic valve 4 is electrified, the first regulating valve 2 is in a conducting state, and when the first electromagnetic valve 4 is disconnected, the first regulating valve 2 is in a closing state; when the second electromagnetic valve 5 is energized, the second electromagnetic valve 5 is in an on state, and when the second electromagnetic valve 5 is off, the second electromagnetic valve 5 is in an off state. It will be appreciated that the electric control element includes at least two solenoid valves connected in parallel, and a regulating valve corresponding to the solenoid valves, and in this embodiment, two sets of corresponding solenoid valves and regulating valves are preferably provided, and in other embodiments, other numbers may be provided.
Further, the electronic controller includes a transmitting unit, a receiving unit and a main control unit, the transmitting unit is used for sending an instruction, the receiving unit is used for receiving the instruction, the main control unit executes the instruction, so that the first electromagnetic valve 4 or the second electromagnetic valve 5 is electrified or disconnected, and the first regulating valve 2 or the second regulating valve 3 is electrified or closed, so as to realize the regulation of the water pressure of the high-pressure pump 1, in this embodiment, the transmitting unit is a remote control transmitting unit, the receiving unit is a remote control receiving unit, in addition, a water gun is further arranged on the high-pressure pump 1, a pressure regulating button is arranged on the water gun, the pressure regulating button is electrically connected with the electronic controller, and the electronic controller executes the corresponding pressure regulating instruction by regulating the pressure regulating button.
Further, in this embodiment, the pressure-adjusting button is provided with three-gear pressure-adjusting, including a high-pressure gear, a medium-pressure gear, and a low-pressure gear; when the first regulating valve 2 and the second regulating valve 3 are simultaneously in a closed state, high-pressure water in the high-pressure pump 1 does not pass through the regulating valve, and the water outlet pressure of the cleaning machine is highest at the moment and is in a high-pressure gear; when one of the first regulating valve 2 and the second regulating valve 3 is in a closed state and the other is in a conducting state, part of water in the high-pressure pump 1 flows back to the water inlet end 101 of the high-pressure pump 1 through one of the conducting regulating valves, so that part of pressure is lost, the water outlet pressure of the cleaning machine is reduced, and the cleaning machine is in a medium-pressure gear; when the first regulating valve 2 and the second regulating valve 3 are in a conducting state at the same time, part of water in the high-pressure pump 1 flows back to the water inlet end 101 of the high-pressure pump 1 through the two regulating valves, and the water outlet pressure of the cleaning machine is further reduced to be in a low-pressure gear. It will be understood that the high pressure is the pressure value of the high pressure water in the high pressure pump 1, and the medium pressure and the low pressure are based on the high pressure water in the high pressure pump 1, which is relatively medium pressure and low pressure, in this embodiment, the high pressure water in the high pressure pump 1 has a pressure value of 140Bar, which is relatively medium pressure of 100Bar, and the low pressure has a pressure value of 65Bar.
Embodiment two:
as shown in fig. 3 and 4, the first regulator valve 2 includes a valve body 21; a lower valve seat 22 provided in the valve body 21; a guide seat 23 provided on the lower valve seat 22; an upper valve seat 24 disposed in the valve body 21, wherein the bottom of the upper valve seat 24 is connected with the top of the guide seat 23, the upper valve seat 24 is connected with the lower valve seat 222 through the guide seat 23, and a fluid channel is formed in the upper valve seat; a valve core 25 having a circular shaft-like basic shape, disposed in the fluid passage and penetrating the upper valve seat 24 and the lower valve seat 22 in the axial direction, the valve core 25 being guided by the inner wall of the guide seat 23 and movable in the fluid passage in the axial direction thereof; the first electromagnetic valve 4 is connected with the valve core 25 through a push arm 27 and is used for driving the valve core 25 to move; the length direction of the push arm 27 is perpendicular to the axial direction of the valve core 25, a pressing block 2501 is arranged at the top of the valve core 25, a guide hole 2701 is arranged on the push arm 27, the valve core 25 penetrates through the guide hole 2701, an inclined surface 2702 is arranged on the top surface of the guide hole 2701, the inclined surface 2702 is in contact with the bottom surface of the pressing block 2501, the first electromagnetic valve 4 drives the push arm 27 to move horizontally, and the valve core 25 moves along the axial direction through guiding of the inclined surface 2702.
Further, the bottom surface of the pushing arm 27 contacts and connects with the top surface of the upper valve seat 24, the bottom of the pressing block 2501 contacts with the upper surface of the pushing arm 277, the bottom of the pressing block 2501 is arc-shaped, contacts with the inclined surface 2702, and is smoother during movement, which is beneficial to the horizontal pulling of the pushing arm 27.
Further, as shown in fig. 5, a water inlet 2201 is provided at the bottom center of the lower valve seat 22, a water outlet 2202 is provided on the inner wall of the lower valve seat 22, the water inlet 2201 communicates with the water outlet 2202, a sealing portion 2502 is provided at the bottom end of the valve core 25, the outer contour of the sealing portion 2502 is arc-shaped, when the valve core 25 moves to the contact between the sealing portion 2502 and the edge of the water inlet 2201, the regulating valve is in a closed state, otherwise, when the valve core 25 moves to the separation between the sealing portion 2502 and the water inlet 2201, the regulating valve is in a conducting state. In this embodiment, the diameter of the water outlet 2202 is larger than that of the water inlet 2201, so that the high-pressure water can flow out more smoothly.
Further, as shown in fig. 8, a water inlet 2101 is provided at the bottom center of the valve body 21, the position of the water inlet 2101 corresponds to the water inlet 2201, the water inlet 2101 is communicated with the fluid channel in the vertical direction, a water outlet 2102 is provided on the outer circumferential surface of the valve body 21, the position of the water outlet 2102 corresponds to the water outlet 2202, the water outlet 2102 is communicated with the fluid channel in the horizontal direction, the valve body 21 is provided with a first inner wall 2103 and a second inner wall 2104, the diameter of the second inner wall 2104 of the valve body 21 is larger than that of the first inner wall 2103, and the water outlet 2102 penetrates through the second inner wall 2104 of the valve body 21 in the horizontal direction.
Further, the outer circumferential surface of the lower valve seat 22 contacts with the first inner wall 2103 of the valve body 21, the bottom of the lower valve seat 22 is provided with a first sealing ring 2801, and the first sealing ring 2801 contacts with the first inner wall 2103 and the inner bottom surface of the valve body 21 at the same time, thereby playing a role of sealing; be provided with second sealing washer 2802 on the last disk seat 24, the notch has been seted up in the outside of going up disk seat 24, second sealing washer 2802 sets up with in the notch, just the external diameter size of second sealing washer 2802 is greater than the size of notch to better reach sealed effect, the horizontal position of second sealing washer 2802 is higher than the horizontal position of water inlet 2101, second sealing washer 2802 contacts with the second inner wall 2104 of valve body 21, plays sealed effect.
Further, as shown in fig. 4, 5 and 6, a spring 29 is installed in the upper valve seat 24, the spring 29 acts on the valve core 25, so that the valve core 25 can be guided by the inclined plane 2702 on the push arm 27 to move axially under the driving of the first electromagnetic valve 4, a spring seat 2901 is provided on the valve core 25, the spring 29 is installed on the spring seat 2901, an annular protrusion 2503503 is further provided on the valve core 25, and the spring 29 acts on the spring seat 2901 to enable the bottom of the spring seat 2901 to abut against the annular protrusion 2503. The valve core 25 drives the push arm 27 to move in the horizontal direction through the first electromagnetic valve 4 under the action of the spring 29, and is guided by the inclined surface 2702 on the push arm 27, so that the valve core 25 can move in the axial direction; when the push arm 27 moves to the lowest position of the inclined surface 2702 to contact the bottom of the pressing block 2501 under the driving of the first electromagnetic valve 4, the sealing portion 2502 of the valve core 25 contacts the water inlet 2201, so that the regulating valve is in a closed state, and when the push arm 27 moves to the highest position of the inclined surface 2702 to contact the bottom of the pressing block 2501 under the driving of the first electromagnetic valve 4, the sealing portion 2502 of the valve core 25 is separated from the water inlet 2201, so that the regulating valve is in a conducting state.
Further, as shown in fig. 7, the inner wall of the upper valve seat 24 has a first step surface 2401 and a second step surface 2402, the diameter of the inner wall of the first step surface 2401 is smaller than that of the inner wall of the second step surface 2402, a third sealing ring 2803 is disposed at the first step surface 2401 of the upper valve seat 24, a stopper 2902 is disposed at the second step surface 2402 of the upper valve seat 24, the stopper 2902 is abutted against the second step surface 2402 by a spring 29, so that the third sealing ring 2803 is abutted against the first step surface 2401, and the third sealing ring 2803 contacts with the valve core 25, thereby sealing the through portion at the top of the upper valve seat 24. In this embodiment, the first sealing ring 2801, the second sealing ring 2802 and the third sealing ring 2803 are all O-shaped rubber sealing rings, which has low cost, simple installation and good sealing performance.
It can be understood that in this embodiment, the first regulating valve 2 and the second regulating valve 3 have the same structure, and the first solenoid valve 4 and the second solenoid valve 5 have the same structure.
Embodiment III:
based on the above embodiments, the pressure regulating method of the pressure regulating high-pressure water cleaning machine provided by the present disclosure includes:
when the pressure regulating button is positioned at a high-pressure gear, the transmitting unit transmits a high-pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve 4 and the second electromagnetic valve 5 to be in a disconnected state, so that the first regulating valve 2 and the second regulating valve 3 are in a closed state;
when the pressure regulating button is positioned at the medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit keeps one of the first electromagnetic valve 4 and the second electromagnetic valve 5 in an electrified state and the other in a disconnected state, so that the corresponding one of the first regulating valve 2 and the second regulating valve 3 is in a conducting state and the other is in a closing state;
when the pressure regulating button is positioned at a low pressure gear, the transmitting unit transmits a low pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve 4 and the second electromagnetic valve 5 to be in an electrified state, so that the first regulating valve 2 and the second regulating valve 3 are in an on state.
Further, when the pressure regulating button is regulated from the high pressure gear to the medium pressure gear, the transmitting unit sends a medium pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve 4 to be electrified, so that the first regulating valve 2 is conducted, at the moment, the second electromagnetic valve 5 is kept in a disconnected state, and the second regulating valve 3 is kept in a closed state; when the pressure regulating button is regulated from the medium pressure gear to the low pressure gear, the transmitting unit transmits a low pressure instruction, the receiving unit receives the instruction, and the main control unit enables the second electromagnetic valve 5 to be electrified, so that the second regulating valve 3 is conducted, at the moment, the first electromagnetic valve 4 is kept in an electrified state, and the first regulating valve 2 is kept in an conducted state; when the pressure regulating button is regulated from a low pressure gear to a medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit enables the second electromagnetic valve 5 to be disconnected, so that the second regulating valve 3 is closed, at the moment, the first electromagnetic valve 4 is kept in an electrified state, and the first regulating valve 2 is kept in an on state; when the pressure regulating button is regulated from the medium pressure gear to the high pressure gear, the transmitting unit sends a high pressure command, the receiving unit receives the command, and the main control unit enables the first electromagnetic valve 4 to be disconnected, so that the first regulating valve 2 is closed, at the moment, the second electromagnetic valve 5 is kept in a disconnected state, and the second regulating valve 3 is kept in a closed state.
The pressure regulating method of the embodiment adopts two groups of electromagnetic valves and regulating valves, has three-gear pressure regulation, can meet the requirements of most users, and of course, it can be understood that according to the pressure regulating method, the number of the electromagnetic valves and the regulating valves can be increased in other embodiments, and the pressure regulation with more gears can be set so as to meet the requirements of more users.
Compared with the prior art, the pressure regulating type high-pressure water cleaning machine and the pressure regulating method thereof are quite convenient to regulate water pressure, low in production cost, simple in structure, durable and high in practicality.
The foregoing disclosure has been presented in a detail description, with specific examples being used herein to illustrate the principles and embodiments of the disclosure, the above examples being provided solely to assist in the understanding of the disclosure and core ideas. It should be noted that it would be apparent to those skilled in the art that various improvements and modifications could be made to the present disclosure without departing from the principles of the present disclosure, and such improvements and modifications would be within the scope of the claims of the present disclosure.
Claims (9)
1. The utility model provides a pressure regulating formula high pressure water cleaning machine which characterized in that: the high-pressure pump is provided with a pressure regulating device, the pressure regulating device comprises an electronic controller and an electric control element, and the electronic controller is electrically connected with the electric control element; the electric control element comprises at least two electromagnetic valves connected in parallel and a regulating valve corresponding to the electromagnetic valves, and the electromagnetic valves are used for driving the regulating valve so as to realize the connection and the closing of the regulating valve; the water outlet end of the high-pressure pump is communicated with the water inlet end of the regulating valve, and the water outlet end of the regulating valve is communicated with the water inlet end of the high-pressure pump; the electromagnetic valve is electrified or disconnected through the electronic controller, so that the regulating valve is conducted or closed, and the water pressure of the high-pressure pump is regulated;
the high-pressure pump is also provided with a water gun, the water gun is provided with a pressure regulating button, the pressure regulating button is electrically connected with the electronic controller, and the electronic controller executes corresponding pressure regulating instructions by regulating the pressure regulating button.
2. The pressure regulating high pressure water washer of claim 1, wherein: the electric control element comprises a first electromagnetic valve, a second electromagnetic valve, a first regulating valve and a second regulating valve, wherein the first regulating valve and the second regulating valve correspond to the first electromagnetic valve and the second electromagnetic valve, the first electromagnetic valve is connected with the first regulating valve and is used for driving the first regulating valve, the second electromagnetic valve is connected with the second regulating valve, and the second electromagnetic valve is used for driving the second regulating valve.
3. A pressure regulating high pressure water washer as claimed in claim 2, wherein: the electronic controller comprises a transmitting unit, a receiving unit and a main control unit, wherein the transmitting unit is used for transmitting instructions, the receiving unit is used for receiving the instructions, and the main control unit is used for executing the instructions.
4. The pressure regulating high pressure water washer of claim 1, wherein: the pressure regulating button is provided with a high-pressure gear, a medium-pressure gear and a low-pressure gear.
5. A pressure regulating method applied to the pressure regulating type high pressure water washer as claimed in any one of claims 1 to 4, comprising:
when the pressure regulating button is positioned at a high-pressure gear, the transmitting unit transmits a high-pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve and the second electromagnetic valve to be kept in a disconnected state, so that the first regulating valve and the second regulating valve are in a closed state;
when the pressure regulating button is positioned at the medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit enables one of the first electromagnetic valve and the second electromagnetic valve to be in a power-on state and the other to be in a power-off state, so that the corresponding one of the first regulating valve and the second regulating valve is in a power-on state and the other one is in a power-off state;
when the pressure regulating button is positioned at a low pressure gear, the transmitting unit transmits a low pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve and the second electromagnetic valve to be in an electrified state, so that the first regulating valve and the second regulating valve are in a conducting state.
6. A pressure regulating method as defined in claim 5, wherein: when the pressure regulating button is regulated from a high pressure gear to a medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit electrifies the first electromagnetic valve, so that the first regulating valve is conducted, and the second electromagnetic valve is kept in a disconnected state.
7. A pressure regulating method as defined in claim 5, wherein: when the pressure regulating button is regulated from the medium pressure gear to the low pressure gear, the transmitting unit transmits a low pressure instruction, the receiving unit receives the instruction, and the main control unit electrifies the second electromagnetic valve, so that the second regulating valve is conducted, and the first electromagnetic valve is kept in an electrified state.
8. A pressure regulating method as defined in claim 5, wherein: when the pressure regulating button is regulated from the low pressure gear to the medium pressure gear, the transmitting unit transmits a medium pressure instruction, the receiving unit receives the instruction, and the main control unit enables the second electromagnetic valve to be disconnected, so that the second regulating valve is closed, and the first electromagnetic valve is kept in an electrified state.
9. A pressure regulating method as defined in claim 5, wherein: when the pressure regulating button is regulated from the medium pressure gear to the high pressure gear, the transmitting unit sends a high pressure instruction, the receiving unit receives the instruction, and the main control unit enables the first electromagnetic valve to be disconnected, so that the first regulating valve is closed, and the second electromagnetic valve is kept in a disconnected state.
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| CN115007530A (en) | 2022-09-06 |
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