WO2014205758A1

WO2014205758A1 - Multi-cleaning media-switching valve

Info

Publication number: WO2014205758A1
Application number: PCT/CN2013/078300
Authority: WO
Inventors: 陈健
Original assignee: 北京峰迪克机械设备有限公司
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-12-31
Also published as: CN105229350A; CN105229350B

Abstract

A multi-cleaning media-switching valve comprises a valve body (1) and a valve core (2). The valve core (2) is provided within the valve body (1), and liquid channels and air channels are provided on the valve body (1). The valve core (2) is provided with liquid through holes and air through holes and passes through the liquid channels and the air channels. Liquid through holes are able to communicate with the liquid channels, and air through holes are able to communicate with the air channels. The multi-cleaning media-switching valve is also provided with an upper press plate (3) and a lower press plate (4). A water-inlet tube (6) is provided in the upper press plate (3) and a liquid-outlet tube (7) is provided in the lower press plate (4). The multi-cleaning media-switching valve is also provided with a concentration regulate device (28) communicating with a liquid-suction device (27). The multi-cleaning media-switching valve solves the following technical problems of the prior cleaning device that the structure is loose, the components and parts are easy to rust, the operation is complicated and the working efficiency is low, so the valve can be widely used in the field of cleaning.

Description

Multi-cleaning medium switching valve

Technical field

The present invention relates to a cleaning device, and more particularly to a multi-cleaning medium switching valve.

Background technique

The existing cleaning device has a relatively loose structure, and the components such as the pressure regulating valve and the liquid suction device are connected to the cleaning device through the pipeline, which is relatively messy; and these components are exposed, relatively easy to corrode and rust, and have a short life.

In addition, the existing cleaning device is cumbersome, and it is necessary to pull a plurality of handles to realize switching between different functions, and the operation is complicated; and when the operator needs to convert the medium, it is necessary to leave the cleaning site and return to the cleaning device to adjust each valve. Then go back to the cleaning site to work, wasting time and working less efficiently.

Summary of the invention

The invention aims at the technical problems that the existing cleaning device has loose structure, easy rusting of components, complicated operation and low work efficiency, and provides a multi-cleaning medium switching valve with compact structure, long service life, simple operation and high work efficiency. .

To this end, the present invention is provided with a valve body and a valve core, the valve core is disposed in the valve body, the valve body is provided with a liquid hole and an air hole, the valve core is provided with a liquid through hole and an air through hole, and the valve core passes through the liquid hole and the air The channel, the liquid through hole can communicate with the liquid channel, the air through hole can communicate with the air channel; the multi-cleaning medium switching valve is further provided with an upper pressing plate and a lower pressing plate, the upper pressing plate is provided with an inlet pipe, and the lower pressing plate is provided with a liquid outlet pipe; The cleaning medium switching valve is further provided with a liquid suction device, and the liquid suction device is disposed in the liquid hole; the multi-cleaning medium switching valve is further provided with a concentration adjusting device, and the concentration adjusting device is connected with the liquid suction device.

A preferred embodiment of the present invention is further provided with a blown foam generator, the valve body further having a blown foam generator orifice, and the blown foam generator is located in the blown foam generator bore.

A further preferred embodiment of the invention is also provided with a pneumatic device connected to the valve plug.

A further preferred embodiment of the invention is further provided with a handle, the spool being connected to the handle.

A further preferred technical solution of the invention is to provide a check valve in the blow bubble generator.

A further preferred technical solution of the present invention is to further provide a pressure regulating valve that is connected to the air passage.

A further preferred embodiment of the invention is that the pipetting device is provided with inverted tapered channels, tapered channels, cross-shaped channels and transverse channels.

A further preferred technical solution of the present invention is that the concentration adjusting device is provided with a concentration adjusting groove.

A further preferred embodiment of the invention is that the valve body is provided with at least one liquid orifice.

The invention concentrates the various components on one whole for the specific requirements of the cleaning operation, so that it realizes all the required functions, has a compact structure, and also avoids the problem of corrosion and rust caused by the exposed parts, and prolongs the service life. . In addition, the invention can realize the conversion between various different medium liquids by simply rotating the valve core, and the operation is simple; the pneumatic device is connected to the valve core, and the remote control device is connected to the spray gun of the cleaning device, and the operator is working at the cleaning site. The pneumatic device can be directly controlled by the remote controller, thereby controlling the rotation of the spool, which makes the operation simpler and greatly improves the operator's working efficiency.

DRAWINGS

Figure 1 is a perspective view of the present invention;

Figure 2 is a cross-sectional view of the front view of the present invention;

Figure 3 is a cross-sectional view of the left side view of the present invention;

Figure 4 is a plan view of the present invention;

Figure 5 is a perspective view of the valve body of the present invention;

Figure 6 is a perspective view of the insufflation foam generator of the present invention;

Figure 7 is a perspective view of the liquid absorbing device of the present invention;

Figure 8 is a perspective view of the concentration adjusting device of the present invention.

The symbols in the figure indicate:

1. valve body; 2. valve core; 3. upper pressure plate; 4. lower pressure plate; 5. bolt hole; 6. inlet pipe; 7. outlet pipe; 8. valve body right hole; 9. valve body hole; 10. Valve body left hole; 11. Air hole; 12. Blowing foam generator hole; 13. Spool right through hole; 14. Spool through hole; 15. Spool left through hole; 16. Air through hole ;17.Left end cap; 18.Right end cap; 19. Pressure regulating valve; 20. Pressure regulating valve cover; 21. Spring; 22. Axial body; 23. Air passage; 24. Blowing foam generator; ; 26. check valve; 27. pipetting device; 28. concentration adjusting device; 29. medium input pipe; 30. inverted tapered channel; 31. tapered channel; 32. cross-shaped channel; 33. transverse channel; 34. Medium inlet; 35. inlet; 36. concentration adjustment tank.

detailed description

Specific embodiments of the present invention will now be described in detail with reference to the drawings.

As shown in FIG. 1 to FIG. 4, the present invention mainly has a valve body 1 and a valve core 2, and the valve body 1 is provided with a plurality of different holes, and the valve core 2 is also provided with a plurality of valve bodies 1 for matching with the valve body 1. The valve core 2 enters the valve body 1 and forms different cooperation with the valve body 1 under different rotation states, so that the entire multi-cleaning medium switching valve performs different functions.

The upper end of the valve body 1 is provided with an upper pressing plate 3, the lower end is provided with a lower pressing plate 4, and the upper pressing plate 3 and the lower pressing plate 4 are respectively provided with six bolt holes 5, and the upper pressing plate 3 and the lower pressing plate 4 respectively pass bolts (not shown) Out) forming a fixed connection with the valve body 1. The upper platen 3 is provided with an inlet pipe 6, and the lower platen 4 is provided with an outlet pipe 7; the valve body 1 is provided with a valve body right hole 8 and the valve body right hole 8 is a through hole, when the upper platen 3 and the lower platen 4 are After the bolts are tightly fitted with the valve body 1, the upper end of the right orifice 8 of the valve body and the inlet pipe 6 respectively form a passage, and the lower end and the outlet pipe 7 correspond to each other to form a passage.

The left end of the right orifice 8 of the valve body is further provided with a valve body intermediate passage 9, a valve body left passage 10 and an air passage 11, which are parallel to each other and are disposed along the vertical direction of the valve body 1. The valve body right passage 8, the valve body passage 9 and the upper end of the valve body left passage 10 communicate with each other.

There are two transverse holes in the horizontal direction along the valve body 1, the transverse holes on the upper end are the valve core holes, the valve core holes pass through the valve body right hole 8, the valve body middle hole 9, the valve body left hole 10 and the air. In the tunnel 11, the spool 2 is located in the spool bore and forms a tight fit with the spool bore; the lower bore is the blown foam generator bore 12.

As shown in FIG. 5, the spool 2 is provided with a spool right through hole 13, a spool through hole 14 and a spool left through hole 15 in the circumferential direction from the right to the left, which are along the circumference of the spool 2. The direction is set at different angles; at the left end of the valve spool left through hole 15, two mutually intersecting air through holes 16 are provided along the circumferential direction of the spool 2.

When the spool 2 enters the valve core passage of the valve body 1 and forms a tight fit with the valve body 2, the spool 2 is rotated, so that the spool right through hole 13 and the valve body right bore 8 of the valve body 1 correspond to each other up and down. The inlet pipe 6, the right orifice 13 of the valve core, the right orifice 8 of the valve body and the outlet pipe 7 form a complete passage. When the invention is in a flushing state, the clean water enters from the inlet pipe 6 and exits through the passage. The liquid pipe 7 is discharged. In the above flushing state, the spool right through hole 13 and the valve body right port 8 correspond to each other, thereby forming a complete passage, but the through hole 14 in the spool and the left through hole 15 of the spool and the spool are right-passed The holes 13 are disposed at different angles in the circumferential direction of the spool 2, so that when the spool right through hole 13 is turned to the vertical direction and the valve body right port 8 corresponds to each other, the through hole 14 in the spool does not The hole 9 in the valve body correspondingly forms a passage, and the left through hole 15 of the valve core does not form a passage corresponding to the left hole 10 of the valve body; at this time, the solid portion of the valve body 2 will be the hole 9 in the valve body and the left hole of the valve body. 10 is spaced up and down. Although the valve body right tunnel 8, the valve body tunnel 9 and the valve body left tunnel 10 communicate with each other, the water entering the upper end of the three tunnels from the inlet pipe 6 does not follow the valve body tunnel 9 And the valve body left channel 10 flows downward, and can only flow downward through the spool right through hole 13 and the valve body right hole 8.

A left end cover 17 is provided at the left end of the valve body 2, and the left end cover 17 is fixedly connected to the valve body 1 by bolts; the right end of the valve body 2 is provided with a right end cover 18, and the right end cover 18 is fixedly connected to the valve body 1 by bolts. A bearing (not shown) is provided on the right side of the left end cap 17 and the cylinder having a small diameter at the left end of the spool 2, and similarly, on the left side of the right end cap 18 and the smaller cylinder at the right end of the spool 2 Bearings (not shown) are also provided.

A pressure regulating valve 19 is connected to the air passage 11 at the lower end of the spool 2, and the pressure regulating valve 19 is mainly provided with a pressure regulating valve cover 20, a spring 21, a top body 22 and an air passage 23. In the normal state, the air passage 23 is partitioned by the abutment 22 into upper and lower portions, the upper portion of the air passage 23 communicates with the upper end air passage 11, and the lower portion of the air passage 23 communicates with the lower end of the air passage 11. When the pressure regulating valve cover 20 is rotated, the spring 21 is pressed to move the top body 22 to the right, further allowing the air passage 23 above the top body 22 to communicate with the air passage 23 below the top body 22. When the pressure regulating valve cover 20 is rotated to a different position, the spring 21 is subjected to different degrees of pressing force, and the amplitude of the movement of the abutting body 22 to the right is also different, so that the gas coming out from the air hole 11 is discharged at different pressures.

The lower side of the air tunnel 11 communicates with the blown foam generator tunnel 12, and the blown foam generator bore 12 is provided with a blown foam generator 24, as shown in Fig. 6, the left end of the blown foam generator 24 is provided with a gas. At the inlet 25, the right end enters the right port 8 of the valve body at the lower end of the spool 2. A check valve 26 is provided on the right side of the blower foam generator 24 and on the right side of the gas inlet 25 to ensure that the liquid in the right orifice 8 of the valve body does not follow the blown foam generator when foaming is not required. 24 reflux.

The invention as shown in Fig. 3 is further provided with a self-priming medium dilution unit which mainly comprises a liquid suction device 27, a concentration adjusting device 28 and a medium input conduit 29. As shown in FIG. 7, the inside of the liquid absorbing device 27 is composed of the following parts: an inverted tapered channel 30, a tapered channel 31, a cross-shaped channel 32, and between the inverted tapered channel 30 and the tapered channel 31. The transverse tunnel 33. When the clean water enters the inverted tapered tunnel 30, the diameter of the water flow becomes smaller and smaller, and the diameter becomes larger after entering the tapered tunnel 31, resulting in the clear water flowing downward and the inverted tapered tunnel 30 and the tapered tunnel. A negative pressure is created in the transverse bores 33 that are all communicating, such that the medium enters the medium input conduit 29 from the medium inlet 34, further enters the transverse bore 33 through the concentration adjustment device 28, and finally enters the tapered bore 31 and ten. The glyphs 32 are mixed with fresh water to form the desired mixture.

As shown in Fig. 8, the concentration adjusting device 28 is provided with an inlet 35 which forms a concentration adjusting groove 36 in the circumferential direction of the concentration adjusting device 28, and the concentration adjusting groove 36 is brought into an increasingly narrow state from the inlet 35. Thus, when the concentration adjusting device 28 is rotated, the density adjusting grooves 36 of different widths and sizes are brought into contact with the medium input pipe 29, so that the concentration of the liquid entering the transverse holes 33 is adjusted.

A check valve 26 is also provided in the medium input line 29 to ensure that the liquid does not flow back.

The horizontal channel of the cross-shaped orifice 32 of the liquid absorbing device 27 corresponds to the blowing foam generator orifice 12 to form a complete tunnel, and the mixed liquid flows from the complete tunnel to the right until it enters the valve body right. After the tunnel 8, it is discharged from the discharge pipe 7.

A handle (not shown) is connected to the right end of the spool 2 to facilitate the rotation of the spool 2. The liquid outlet pipe 7 of the present invention is connected with a length of hose, and the hose is connected with a spray gun of the cleaning device. When cleaning, the operator holds the spray gun to work; according to the needs of the working environment, sometimes the hose needs more than ten meters or even several tens of meters long. When converting the medium, the operator needs to return to the rotating handle of the present invention from a far place, and then return to the work site for cleaning, which is inconvenient and wastes time; therefore, the present invention can be connected at the left end of the spool 2. There is a pneumatic device, and a remote controller is provided on the spray gun, and the pneumatic device is controlled by the remote controller to further control the rotation of the spool 2. This makes the operation simple and improves the operator's work efficiency.

The following describes the working process of the present invention:

(1) Flushing state

The spool right through hole 13 of the spool 2 is turned to the vertical direction to communicate with the valve body right passage 8, and the through hole 14 in the spool is not in communication with the valve body passage 9 , and the spool left through hole 15 and the valve body The left tunnel 10 is not in communication, and the air through hole 16 is not in communication with the air tunnel 11. At this time, the clean water enters from the inlet pipe 6, passes through the valve body right tunnel 8 and the spool right through hole 13, and is finally discharged from the outlet pipe 7. .

(2) Spraying detergent foam state

The through hole 14 in the spool of the spool 2 is turned to the vertical direction to communicate with the hole 9 in the valve body. At this time, the right through hole 13 of the spool is not in communication with the right passage 8 of the valve body, and the left through hole 15 of the valve core and the valve body The left tunnel 10 is not in communication, and one of the two intersecting air through holes 16 communicates with the air tunnel 11 at this time, the clean water enters from the inlet pipe 6, and then passes through the hole 9 in the valve body and the through hole in the spool. 14 enters the liquid absorbing device 27, and a negative pressure is generated in the lateral channel 33 of the liquid absorbing device 27 to draw the detergent through the medium inlet 34, the medium input pipe 29 and the concentration adjusting device 28, and the sucked detergent is mixed with the water and mixed. The liquid flows from the cross-shaped orifice 32 of the pipetting device 27 into the blowing bubbler orifice 12, and finally into the right orifice 8 of the valve body below the spool 2 and is discharged from the outlet pipe 7.

Air enters the air passage 23 of the pressure regulating valve 19 from the air passage 11 and the air passage hole 16, adjusts the pressure regulating valve cover 20, allows air to enter the blowing bubble generator 24 through the pressure regulating valve 19, and finally enters the valve. In the right orifice 8 of the valve body below the core 2, foaming occurs in the mixed liquid.

(3) Spray disinfectant foam state

The spool left through hole 15 of the spool 2 is turned to the vertical direction to communicate with the valve body left passage 10, at which time the spool right through hole 13 and the valve body right passage 8 are not in communication, and the through hole 14 and the valve body in the spool The middle tunnel 9 is not in communication, and the other of the two intersecting air through holes 16 communicates with the air passage 11, and the remaining working process is the same as that in the state of spraying the detergent foam.

The self-priming medium dilution unit of the present invention may be provided in a plurality of juxtapositions, the number of which depends on the number of types of medium to be inhaled, or two or more kinds of mediums may be simultaneously sucked and mixed, or may be passed through the valve core 2 The upper air through holes 16 are arranged in different numbers and angles to select the mixed liquid spray non-spraying foam.

The valve body right channel 8, the valve body channel 9 and the valve body left channel 10 are all liquid channels, and more than one liquid channel is provided.

However, the above description is only for the specific embodiments of the present invention, and the scope of the present invention is not limited thereto, and the replacement of the equivalent components or the equivalent changes and modifications according to the scope of the patent protection of the present invention should be It is still within the scope of the claims of the present invention.

Claims

A multi-cleaning medium switching valve is provided with a valve body and a valve core, the valve core is disposed in the valve body, wherein the valve body is provided with a liquid passage and an air passage, and the valve core is provided with a liquid a through hole and an air through hole, the valve core passes through the liquid passage and the air passage, and the liquid through hole can communicate with the liquid passage, and the air through hole can communicate with the air passage; The multi-cleaning medium switching valve is further provided with an upper pressing plate and an lower pressing plate, the upper pressing plate is provided with an inlet pipe, the lower pressing plate is provided with an outlet pipe; and the multi-cleaning medium switching valve is further provided with a liquid suction device, The liquid absorbing device is disposed in the liquid channel; the multi-cleaning medium switching valve is further provided with a concentration adjusting device, and the concentration adjusting device is connected to the liquid absorbing device.
A multi-wash medium switching valve according to claim 1, further comprising a blow-in foam generator, said valve body further comprising a blow-in foam generator port, said blow-air foam generator being located in said blow The gas foam generator is inside the tunnel.
A multi-wash medium switching valve according to claim 2, further comprising a pneumatic device connected to said valve body.
A multiple cleaning medium switching valve according to claim 3, further comprising a handle connected to said handle.
A multi-wash medium switching valve according to claim 4, wherein a one-way valve is provided in said blow bubble generator.
The multiple cleaning medium switching valve according to claim 5, further comprising a pressure regulating valve, said pressure regulating valve being connected to said air passage.
A multi-wash medium switching valve according to claim 6, wherein said liquid absorbing means is provided with inverted tapered holes, tapered holes, cross-shaped holes and transverse holes.
A multi-wash medium switching valve according to claim 7, wherein said concentration adjusting means is provided with a concentration adjusting groove.
A multi-wash medium switching valve according to any one of claims 1-8, wherein said valve body is provided with at least one liquid passage.