Be applied to shower nozzle device and hand-held type high pressure cleaner on high pressure cleaner
阅读说明:本技术 应用于高压清洗机上的喷头装置及手持式高压清洗机 (Be applied to shower nozzle device and hand-held type high pressure cleaner on high pressure cleaner ) 是由 乔勇 王其彬 程亚杰 于 2019-08-26 设计创作,主要内容包括:一种应用于高压清洗机上的喷头装置包括喷头,包括喷头壳体,喷头壳体内设置出水通道,且前端开设有至少一个与出水通道连通的排液口,排气阀,与喷头壳体相连接,包括阀座,其内开设有阀腔;以及阀芯,移动设置于所述阀腔内;阀座上开设有进气孔及出气孔,且所述进气孔、所述阀腔以及所述出气孔共同形成连通外界空气和所述出水通道的主排气通路;阀芯相对阀腔可移动至封堵主排气通路的关闭位置及导通主排气通路的打开位置。本申请应用于高压清洗机上的喷头装置及手持式高压清洗机中通过设置排气阀,排气阀在打开位置时实现排气功能;而排气阀在关闭位置时实现出水功能,实现自吸且保证使用过程中短时间内快速排除压力异常,满足使用需求。(A spray head device applied to a high-pressure cleaning machine comprises a spray head, a spray head shell, a valve seat and a spray head cover, wherein a water outlet channel is arranged in the spray head shell, the front end of the spray head shell is provided with at least one liquid discharge port communicated with the water outlet channel, the exhaust valve is connected with the spray head shell and comprises a valve seat, and a valve cavity is arranged in the valve seat; the valve core is movably arranged in the valve cavity; the valve seat is provided with an air inlet hole and an air outlet hole, and the air inlet hole, the valve cavity and the air outlet hole form a main exhaust passage communicated with the outside air and the water outlet channel; the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity. The nozzle device applied to the high-pressure cleaning machine and the handheld high-pressure cleaning machine are provided with the exhaust valve, and the exhaust function of the exhaust valve is realized when the exhaust valve is in the opening position; and the exhaust valve realizes the water outlet function when in a closed position, realizes self-suction, ensures that abnormal pressure can be quickly eliminated in a short time in the use process, and meets the use requirement.)
1. A nozzle assembly for use in a high pressure cleaner, comprising:
the spray head comprises a spray head shell, a water outlet channel is arranged in the spray head shell, and the front end of the spray head shell is provided with at least one liquid discharge port communicated with the water outlet channel,
the shower nozzle device still include with the discharge valve that the shower nozzle casing is connected, discharge valve includes:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is arranged in the valve cavity and can move relative to the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the nozzle device also comprises an exhaust port which can discharge the gas entering the main exhaust passage to the outside; the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity.
2. The head apparatus as claimed in claim 1, wherein: the air outlet and the air outlet are integrated, or the air outlet and the air outlet are independent from each other and the air outlet is arranged on the sprayer shell.
3. The head apparatus as claimed in claim 2, wherein: the central axis of the exhaust port is basically parallel or vertical to the central axis of the liquid discharge port.
4. The head apparatus as claimed in claim 2, wherein: the opening of the exhaust port and the opening of the liquid discharge port face the same side.
5. The head apparatus as claimed in claim 1, wherein: the sprayer shell comprises a body and a cover body with a central axis, the cover body is circumferentially and rotatably matched and connected with the outside of the body around the central axis, the cover body is provided with the liquid discharge port, the water outlet channel is arranged in the body, and the exhaust valve is arranged in the body.
6. The head apparatus as claimed in claim 5, wherein: the air outlet hole and the air outlet hole are independently arranged, the air outlet hole comprises a plurality of air outlet holes, the air outlet holes are circumferentially arranged on the cover body around the central axis, the air outlet holes comprise a plurality of air outlet ports, the air outlet ports are circumferentially arranged on the cover body around the central axis, the cover body can be operated to circumferentially rotate around the central axis so as to select one of the air outlet ports to be communicated with the water outlet channel, and at the moment, one of the air outlet ports is communicated with the air outlet hole.
7. The head apparatus as claimed in claim 1, wherein: the sprayer shell comprises a body and a cover body with a central axis, the cover body is circumferentially and rotatably matched and connected with the outside of the body around the central axis, the liquid discharge port is formed in the cover body, the water outlet channel is arranged in the body, and the exhaust valve is arranged in the cover body.
8. The head apparatus as claimed in claim 7, wherein: the exhaust port comprises a plurality of exhaust ports which are circumferentially arranged on the cover body around the central axis, the exhaust valves and the liquid discharge ports are arranged in a one-to-one correspondence mode, the liquid discharge ports comprise a plurality of liquid discharge ports which are circumferentially arranged on the cover body around the central axis, the cover body can be operated to circumferentially rotate around the central axis so as to select one of the liquid discharge ports to be communicated with the water outlet channel, and at the moment, one of the exhaust ports is communicated with the air outlet hole.
9. The head apparatus as claimed in claim 1, wherein: the spray head device comprises a spray rod, the spray rod is arranged between the spray head and the high-pressure cleaning machine, and the water outlet channel extends to the spray head from the spray rod.
10. The head apparatus as claimed in claim 1, wherein: the valve core comprises a core body and a resetting piece, and the air inlet hole is arranged in a clearance with the core body in the opening position.
11. The head apparatus as claimed in claim 1, wherein: the high pressure cleaner is a handheld high pressure cleaner, the handheld high pressure cleaner include handheld portion, motor and by motor drive's water pump, the motor with the water pump all set up in the handheld portion, the shower nozzle device connect in on the handheld portion.
12. A hand-held high pressure cleaner characterized by: the handheld high-pressure cleaning machine comprises a handheld part, a motor, a water pump driven by the motor and a sprayer device, wherein the motor and the water pump are both arranged in the handheld part, and the sprayer device is matched and connected on the handheld part; the shower head device includes:
the water outlet device comprises a main body, wherein a water outlet channel is arranged in the main body, and the front end of the main body is provided with at least one liquid outlet communicated with the water outlet channel;
discharge valve, set up in the liquid outlet of water pump with the shower nozzle on the route between the leakage fluid dram, discharge valve includes:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is movably arranged in the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity.
13. The hand-held high pressure cleaner of claim 12, wherein: the main part includes the shower nozzle and connect in the shower nozzle with the spray lance between the handheld portion, water outlet channel by the spray lance extends to the shower nozzle, discharge valve assemble in on the spray lance just the venthole exposes in the spray lance.
14. The hand-held high pressure cleaner of claim 12, wherein: the main body comprises a spray head, the spray head comprises a spray head shell, the water outlet channel is arranged in the spray head shell, and the front end of the spray head shell is provided with at least one liquid discharge port communicated with the water outlet channel; the exhaust valve is assembled in the spray head shell.
15. The hand-held high pressure cleaner of claim 14, wherein: the nozzle device also comprises an air outlet which can discharge the air entering the main exhaust passage through the air inlet to the outside; the air outlet and the air outlet are integrated, or the air outlet and the air outlet are independent from each other and the air outlet is arranged on the sprayer shell.
16. The hand-held high pressure cleaner of claim 15, wherein: the central axis of the exhaust port is basically parallel to the central axis of the liquid discharge port.
17. The hand-held high pressure cleaner of claim 15, wherein: the opening of the exhaust port and the opening of the liquid discharge port face the same side.
18. The hand-held high pressure cleaner of claim 15, wherein: the air outlet and the air outlet are independently arranged, the sprayer shell comprises a body and a cover body with a central axis, the cover body is rotatably matched and connected outside the body in the circumferential direction of the central axis, the air outlet comprises a plurality of air outlets, the air outlets are circumferentially arranged on the cover body in the circumferential direction of the central axis, the liquid discharge ports comprise a plurality of liquid discharge ports, the liquid discharge ports are circumferentially arranged on the cover body in the circumferential direction of the central axis, the cover body can be operated to circumferentially rotate around the central axis so as to select one of the liquid discharge ports to be communicated with the liquid discharge port, and at the moment, one of the air outlets is communicated with the air outlet.
19. The hand-held high pressure cleaner of claim 15, wherein: the sprayer shell comprises a body and a cover body with a central axis, the cover body is circumferentially and rotatably matched and connected outside the body around the central axis, the cover body is provided with the liquid discharge port, the water outlet channel is arranged in the body, and the exhaust valve is arranged in the cover body; the exhaust port comprises a plurality of exhaust ports which are circumferentially arranged on the cover body around the central axis, the exhaust valves and the liquid discharge ports are arranged in a one-to-one correspondence mode, the liquid discharge ports comprise a plurality of liquid discharge ports which are circumferentially arranged on the cover body around the central axis, the cover body can be operated to circumferentially rotate around the central axis so as to select one of the liquid discharge ports to be communicated with the water outlet channel, and at the moment, one of the exhaust ports is communicated with the air outlet hole.
20. The hand-held high pressure cleaner of claim 12, wherein: the discharge valve set up in the handheld portion, and be located the water pump the liquid outlet.
Technical Field
The invention relates to the field of high-pressure cleaning, in particular to a spray head device applied to a high-pressure cleaning machine and a handheld high-pressure cleaning machine.
Background
High pressure cleaners are commonly used in everyday life to clean courtyards, walkways, outdoor tables and chairs, windows, glass, steps, automobiles, and the like. High pressure cleaners generally have a main body with a built-in motor and a pump driven by the motor, and a spray gun connected to the pump. In the initial starting stage of the high-pressure cleaning machine, the pump needs to firstly evacuate air in the water inlet pipe and then can normally suck water, in the initial stage, the pump firstly evacuates the air in the water inlet pipe and the pump, the sucked water and the air in the water inlet pipe are mixed and pressurized in the pump, and the pressure is increased due to the difficulty in discharging the mixture of the air and the water, and the gas accumulation at the water outlet end is more unfavorable for discharging the gas of the pump, so that the self-sucking time is long, and even the normal pressure can not be recovered to carry out normal water spraying work.
Disclosure of Invention
In view of the above, it is desirable to provide a nozzle device for a high pressure cleaning machine, which can rapidly remove pressure abnormality in a short time.
It is also necessary to provide a nozzle assembly for use in a high pressure cleaner. The method comprises the following steps:
a nozzle assembly for use in a high pressure cleaner, comprising:
the spray head comprises a spray head shell, a water outlet channel is arranged in the spray head shell, and the front end of the spray head shell is provided with at least one liquid discharge port communicated with the water outlet channel,
the shower nozzle device still include with the discharge valve that the shower nozzle casing is connected, discharge valve includes:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is arranged in the valve cavity and can move relative to the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the nozzle device also comprises an exhaust port which can discharge the gas entering the main exhaust passage to the outside; the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity.
In one embodiment, the air outlet and the air outlet are integrally formed, or the air outlet and the air outlet are independent of each other and the air outlet is formed on the nozzle shell.
In one embodiment, the central axis of the exhaust port is substantially parallel or perpendicular to the central axis of the liquid discharge port.
In one embodiment, the exhaust port and the liquid discharge port are open towards the same side.
In one embodiment, the nozzle housing includes a body and a cover body having a central axis, the cover body is circumferentially and rotatably coupled to the outside of the body around the central axis, the cover body is provided with the liquid discharge port, the water outlet channel is disposed in the body, and the air discharge valve is disposed in the body.
In one embodiment, the air outlet hole is provided separately from the air outlet hole, the air outlet hole comprises a plurality of air outlet holes, the plurality of air outlet holes are circumferentially arranged on the cover body around the central axis, the liquid discharge ports comprise a plurality of liquid discharge ports, the plurality of liquid discharge ports are circumferentially arranged on the cover body around the central axis, and the cover body is operable to rotate circumferentially around the central axis to select one of the plurality of liquid discharge ports to communicate with the water outlet channel, wherein one of the air outlet holes is communicated with the air outlet hole.
In one embodiment, the nozzle housing includes a body and a cover body having a central axis, the cover body is circumferentially and rotatably coupled to the outside of the body around the central axis, the cover body is provided with the liquid outlet, the water outlet channel is disposed in the body, and the air outlet valve is disposed in the cover body.
In one embodiment, the exhaust port includes a plurality of exhaust ports, the plurality of exhaust ports are circumferentially arranged on the cover body around the central axis, the plurality of exhaust valves are arranged in one-to-one correspondence with the plurality of liquid discharge ports, the plurality of liquid discharge ports include a plurality of liquid discharge ports, the plurality of liquid discharge ports are circumferentially arranged on the cover body around the central axis, and the cover body is operable to circumferentially rotate around the central axis to select one of the plurality of liquid discharge ports to communicate with the water outlet channel, when one of the exhaust ports communicates with the air outlet hole.
In one embodiment, the spray head device comprises a spray rod, the spray rod is arranged between the spray head and the high-pressure washer, and the water outlet channel extends from the spray rod to the spray head.
In one embodiment, the valve core comprises a core body and a resetting piece, and a gap is formed between the air inlet hole and the core body in the opening position.
In one embodiment, the high-pressure cleaning machine is a handheld high-pressure cleaning machine, the handheld high-pressure cleaning machine comprises a handheld portion, a motor and a water pump driven by the motor, the motor and the water pump are both arranged in the handheld portion, and the spray head device is connected to the handheld portion in a matched mode.
The invention also provides a handheld high-pressure cleaning machine matched with the spray head device.
A handheld high-pressure cleaning machine comprises a handheld part, a motor, a water pump driven by the motor and a sprayer device, wherein the motor and the water pump are both arranged in the handheld part, and the sprayer device is matched and connected with the handheld part; the shower head device includes:
the water outlet device comprises a main body, wherein a water outlet channel is arranged in the main body, and the front end of the main body is provided with at least one liquid outlet communicated with the water outlet channel;
discharge valve, set up in the liquid outlet of water pump with the shower nozzle on the route between the leakage fluid dram, discharge valve includes:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is movably arranged in the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity.
In one embodiment, the main body comprises a spray head and a spray rod connected between the spray head and the handheld portion, the water outlet channel extends from the spray rod to the spray head, the exhaust valve is assembled on the spray rod, and the air outlet hole is exposed out of the spray rod.
In one embodiment, the main body comprises a spray head, the spray head comprises a spray head shell, the spray head shell is internally provided with the water outlet channel, and the front end of the spray head shell is provided with at least one liquid discharge port communicated with the water outlet channel; the exhaust valve is assembled in the spray head shell.
In one embodiment, the spray head device further comprises an exhaust port capable of exhausting the gas entering the main exhaust passage through the gas inlet hole to the outside; the air outlet and the air outlet are integrated, or the air outlet and the air outlet are independent from each other and the air outlet is arranged on the sprayer shell.
In one embodiment, the central axis of the exhaust port is substantially parallel to the central axis of the liquid discharge port.
In one embodiment, the exhaust port and the liquid discharge port are open towards the same side.
In one embodiment, the air outlet is provided separately from the air outlet, the nozzle housing includes a body and a cover having a central axis, the cover is circumferentially and rotatably coupled to the body around the central axis, the air outlet includes a plurality of air outlets circumferentially arranged on the cover around the central axis, the liquid discharge port includes a plurality of liquid discharge ports circumferentially arranged on the cover around the central axis, and the cover is operable to circumferentially rotate around the central axis to select one of the plurality of liquid discharge ports to communicate with the liquid discharge port, where one of the air outlets communicates with the air outlet.
In one embodiment, the nozzle housing includes a body and a cover body having a central axis, the cover body is circumferentially and rotatably coupled outside the body around the central axis, the cover body is provided with the liquid discharge port, the water outlet channel is disposed in the body, and the exhaust valve is disposed in the cover body; the exhaust port comprises a plurality of exhaust ports which are circumferentially arranged on the cover body around the central axis, the exhaust valves and the liquid discharge ports are arranged in a one-to-one correspondence mode, the liquid discharge ports comprise a plurality of liquid discharge ports which are circumferentially arranged on the cover body around the central axis, the cover body can be operated to circumferentially rotate around the central axis so as to select one of the liquid discharge ports to be communicated with the water outlet channel, and at the moment, one of the exhaust ports is communicated with the air outlet hole.
In one embodiment, the exhaust valve is disposed in the handheld portion and located at the liquid outlet of the water pump.
The invention also provides a handheld high-pressure cleaning machine matched with the spray head device.
A nozzle assembly for use in a high pressure cleaner, comprising:
the spray head comprises a spray head shell, a water outlet channel is arranged in the spray head shell, at least one liquid discharge port communicated with the water outlet channel is arranged at the front end of the spray head shell,
an exhaust valve connected with the nozzle housing, the exhaust valve including:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is movably arranged in the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the water outlet channel and the main exhaust passage are arranged in the spray head shell in parallel, the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity
In one embodiment, the spray head shell is provided with an air outlet;
the air outlet hole and the air outlet are integrally arranged, and the opening direction of the air outlet is consistent with the opening direction of the liquid discharge port; or
The venthole with the gas vent sets up independently, just the opening direction of gas vent with the opening direction of leakage fluid dram is unanimous.
In one embodiment, the central axis of the exhaust port is parallel or perpendicular to the central axis of the liquid discharge port.
In one embodiment, the exhaust port and the liquid discharge port are located on the same end surface.
In one embodiment, the air outlet and the air outlet are provided separately, the nozzle housing includes a body and a cover having a central axis, the cover is circumferentially and rotatably coupled to the outside of the body around the central axis, the air outlet includes a plurality of air outlets circumferentially arranged on the cover around the central axis, and one of the air outlets communicates with the air outlet along with the rotation of the cover.
In one embodiment, an auxiliary exhaust passage is formed in the nozzle shell, the auxiliary exhaust passage is communicated between the main exhaust passage and the exhaust port, and the water outlet channel and the auxiliary exhaust passage are arranged on two opposite sides of the central axis;
or the auxiliary exhaust passage is communicated with the water outlet channel and the main exhaust passage.
In one embodiment, the liquid discharge port includes a plurality of liquid discharge ports arranged on the cover body circumferentially around the central axis;
one of the plurality of liquid discharge ports communicates with the liquid discharge port as the lid body rotates.
In one embodiment, the valve cavity comprises a first cavity and a second cavity which is selectively communicated with the first cavity, and the valve core comprises a core body and a resetting piece; the first cavity is communicated with the water outlet channel in a fluid mode, the second cavity is communicated with the first cavity in a fluid mode, the air outlet hole penetrates through the cavity wall of the second cavity, the core body is contained in the first cavity in a sliding mode towards the direction close to or away from the second cavity, and the resetting piece is contained in the second cavity and is abutted between the core body and the valve seat in a deformable mode along the sliding direction of the valve core.
In one embodiment, the valve cavity includes a first cavity and a second cavity selectively communicated with the first cavity, the valve core includes a core body, a valve rod connected with the core body, and a reset member, the core body is slidably accommodated in the first cavity in a direction approaching to or departing from the second cavity, the valve rod movably passes through the second cavity in a self axis direction and protrudes out of the main body, and the reset member abuts between the valve seat and the valve rod.
In one embodiment, the outer contour of the air inlet hole is in clearance with the outer contour of the cross section of the core body contacting the air inlet hole in the open position.
In one embodiment, the high-pressure cleaning machine is a handheld high-pressure cleaning machine, the handheld high-pressure cleaning machine comprises a handheld portion, a motor and a water pump driven by the motor, the motor and the water pump are both arranged in the handheld portion, and the spray head device is connected to the handheld portion in a matched mode.
A handheld high-pressure cleaning machine comprises a handheld part, a motor, a water pump driven by the motor and a sprayer device, wherein the motor and the water pump are both arranged in the handheld part, and the sprayer device is matched and connected on the handheld part; the shower head device includes:
the water outlet device comprises a main body, wherein a water outlet channel is arranged in the main body, and the front end of the main body is provided with at least one liquid outlet communicated with the water outlet channel;
discharge valve, set up in the liquid outlet of water pump with on the route between the leakage fluid dram, discharge valve with go out the parallelly connected setting of water passageway and include:
the valve seat is internally provided with a valve cavity which can be communicated with the water outlet channel; and
the valve core is movably arranged in the valve cavity;
the valve seat is provided with an air inlet hole and an air outlet hole, the air inlet hole is communicated between the water outlet channel and the valve cavity, the air outlet hole is communicated with the valve cavity, and the air inlet hole, the valve cavity and the air outlet hole jointly form a main exhaust passage communicated with the outside air and the water outlet channel; the water outlet channel and the main exhaust passage are arranged in the main body in parallel, and the valve core can move to a closing position for plugging the main exhaust passage and an opening position for conducting the main exhaust passage relative to the valve cavity.
In one embodiment, the main body comprises a spray head and a spray rod detachably connected to one end of the spray head, the water outlet channel extends from the spray rod to the spray head, the exhaust valve is assembled on the spray rod, and the air outlet is exposed out of the spray rod.
In one embodiment, the body includes a spray head, the water outlet passage is formed in the spray head, and the discharge valve is fitted in the spray head.
In one embodiment, the liquid discharge port is arranged on the spray head, and an exhaust port is arranged on the spray head;
the air outlet hole and the air outlet are integrally arranged, and the opening direction of the air outlet is consistent with the opening direction of the liquid discharge port; or
The venthole with the gas vent sets up independently, just the opening direction of gas vent with the opening direction of leakage fluid dram is unanimous.
In one embodiment, the central axis of the exhaust port is parallel or perpendicular to the central axis of the liquid discharge port.
In one embodiment, the exhaust port and the liquid discharge port are located on the same end surface.
In one embodiment, the air outlet and the air outlet are provided separately, the nozzle housing includes a body and a cover having a central axis, the cover is circumferentially and rotatably coupled to the outside of the body around the central axis, the air outlet includes a plurality of air outlets circumferentially arranged on the cover around the central axis, and one of the air outlets communicates with the air outlet along with the rotation of the cover.
In one embodiment, an auxiliary exhaust passage is formed in the nozzle housing and communicates between the main exhaust passage and the exhaust port, and the water outlet passage and the auxiliary exhaust passage are disposed on opposite sides of the central axis.
In one embodiment, the liquid discharge port includes a plurality of liquid discharge ports arranged on the cover body circumferentially around the central axis;
one of the plurality of liquid discharge ports communicates with the liquid discharge port as the lid body rotates.
According to the application, the exhaust valve is arranged in the handheld high-pressure cleaning machine, the exhaust function is realized when the exhaust valve is in the opening position, and the requirement of vacuum in the pump is met; and the exhaust valve realizes the water outlet function when in a closed position, realizes self-suction, ensures that abnormal pressure can be quickly eliminated in a short time in the use process, and meets the use requirement.
Drawings
FIG. 1 is a schematic structural view of a hand-held high pressure cleaner according to the present invention;
FIG. 2 is an enlarged view of a portion A of the hand-held high pressure cleaner of FIG. 1;
FIG. 3 is a schematic view of a first configuration of the main body of the hand-held high pressure cleaner of FIG. 1;
FIG. 4 is a schematic structural view of an embodiment of the main body of the hand-held high pressure cleaner shown in FIG. 3;
FIG. 5 is a schematic structural view of another embodiment of the main body of the hand-held high pressure cleaner shown in FIG. 3;
FIG. 6 is a schematic structural view of yet another embodiment of the main body of the hand-held high pressure cleaner of FIG. 1;
FIG. 7 is a schematic structural view of yet another embodiment of the main body of the hand-held high pressure cleaner of FIG. 6;
FIG. 8 is a schematic structural view of a first embodiment of an exhaust valve of the hand-held high pressure cleaner of FIG. 1;
FIG. 9 is a schematic view of an exhaust valve of the hand-held high pressure cleaner of FIG. 1 in an open position in a second embodiment;
FIG. 10 is a schematic illustration of the exhaust valve of the hand-held high pressure cleaner of FIG. 9 in a closed position in a second embodiment;
FIG. 11 is a schematic view of a third embodiment of a closed exhaust valve of the hand-held high pressure cleaner of FIG. 1;
FIG. 12 is a schematic view of an exhaust valve of the hand-held high pressure cleaner of FIG. 1 in an open position in a fourth embodiment;
FIG. 13 is a schematic view of the exhaust valve of the hand-held high pressure cleaner of FIG. 12 in a closed position in a fourth embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, in the preferred embodiment of the present invention, the
The application of the
The hand-held
In this embodiment, the hand-held
Referring to fig. 2, the
Specifically, a
The handheld high-pressure cleaning machine sucks water from an external water source into the water pump through the water inlet pipe connected with the water inlet, and the water is pressurized by the water pump and then discharged. At the initial working stage of the handheld high-pressure cleaning machine, the water pump needs to firstly exhaust the air in the water inlet pipe and then can suck the water from an external water source into the water pump. Water when outside water source begins in being inhaled the water pump, but the shower nozzle has not normally sprayed water yet, the initial water by the inspiratory is compressed with the air mixture together, and discharge to the exhalant canal, if the exhalant canal does not have exhaust structure, on the one hand, the air is in the high nip of exhalant canal cohesion formation, lead to the air in the water pump to be difficult to the evacuation, make hand-held type high pressure cleaner can not discharge the rivers that satisfy the pressure requirement, on the other hand, water and air mix compression formation cavitation bubble in the water pump, the bubble rupture of cavitation will produce noise and vibrations, lead to hand-held type high pressure cleaner noise, vibrations are great. According to some embodiments provided by the invention, the
The
The
Specifically, the
The
When the hand-held high-
Referring to fig. 3, in a first configuration, the
Specifically, the spray head includes a
The
Further, the
Referring to fig. 4, 5, 6 and 7, the
referring to fig. 4 and 5, the
Referring to fig. 4, in an embodiment, the
Further, the
Referring to fig. 5, in another embodiment, the
Referring to fig. 2 and 7, in this embodiment, the
In another embodiment, the
Referring to fig. 6 and 7, the
Specifically, the
In this embodiment, the
In this embodiment, each of the
With continued reference to fig. 6, in another embodiment, the
Referring to fig. 7, in another embodiment, the
Further, the
Referring again to FIG. 2, in a second configuration,
Specifically, the
In another embodiment, the
Referring to fig. 8, in the above embodiment, the
The
Referring to fig. 8, in the first embodiment, the
When the hand-held high-
When the hand-held high-
It is understood that in other embodiments, the first and
Referring to fig. 9 and 10, in the second embodiment, the
Referring to fig. 9, when the hand-held
Referring to fig. 10, when the hand-held
In this embodiment, the
Referring to fig. 11, in the third embodiment, compared to the first embodiment, the
Referring to fig. 12 and 13, in the fourth embodiment, the
In the first to fourth embodiments, the air inlet holes 3304 are spaced from the outer contour of the cross section where the
The different embodiments of the
In the application, the
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
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