CN213223431U

CN213223431U - Cleaning equipment and endoscope of bivalve control gas-liquid

Info

Publication number: CN213223431U
Application number: CN202021118030.XU
Authority: CN
Inventors: 陈深旺
Original assignee: Shenzhen Yonghengfeng Intelligent Device Co ltd
Current assignee: Shenzhen Yonghengfeng Intelligent Device Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-05-18
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a cleaning equipment and endoscope for controlling gas and liquid by double valves, which comprises a deformable coil pipe component, a gas circuit valve component and a liquid circuit valve component, wherein one end of the deformable coil pipe component is provided with a spray head, the other end of the deformable coil pipe component is provided with a liquid inlet and a gas inlet, a gas-liquid mixing part is arranged in the deformable coil pipe component, and the liquid inlet and the gas inlet are communicated with the spray head through the gas-liquid mixing part; the air circuit valve component is provided with an air inlet end and an air outlet end, and the air inlet is connected with the air outlet end; the liquid path valve component is provided with a liquid inlet end and a liquid outlet end, and the liquid inlet is connected with the liquid outlet end; the air circuit valve assembly and the liquid circuit valve assembly can be switched between an initial state and a working state, when the air circuit valve assembly is in the initial state, the air inlet end and the air outlet end are closed, and when the liquid circuit valve assembly is in the initial state, the liquid inlet end and the liquid outlet end are closed; when the air circuit valve assembly is in a working state, the air inlet end is communicated with the air outlet end, and when the liquid circuit valve assembly is in a working state, the liquid inlet end is communicated with the liquid outlet end.

Description

Cleaning equipment and endoscope of bivalve control gas-liquid

Technical Field

The utility model relates to an industry endoscope technical field especially relates to a cleaning equipment and endoscope of bivalve control gas-liquid.

Background

With the development of social industrialization, electronic endoscopes equipped with an imaging element have been widely used not only in the medical field but also in industrial equipment cleaning, metal inspection, and industrial equipment repair, such as turbine cleaning, detection of corrosion conditions inside and outside a pipe, and inspection of pipe clogging.

The existing endoscope is usually provided with a cleaning device, the industrial equipment is cleaned by the cleaning device, after the cleaning device is found to be closed in the process of using the cleaning device, the cleaning device easily causes the problem of liquid dropping, and meanwhile, the sealing structure is easily worn in the using process of the cleaning device.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a cleaning equipment and endoscope of double valve control gas-liquid to the problem of dropping liquid and seal structure wearing and tearing appears in the solution cleaning equipment.

On one hand, the utility model provides a cleaning equipment of bivalve control gas-liquid, including flexible coil subassembly, gas circuit valve member and liquid circuit valve member, the one end of flexible coil subassembly is provided with the shower nozzle, the other end of flexible coil subassembly is provided with inlet and air inlet, be provided with the gas-liquid mixture portion in the flexible coil subassembly, inlet and air inlet are via the gas-liquid mixture portion intercommunication the shower nozzle; the air path valve assembly is provided with an air inlet end and an air outlet end, and the air inlet is connected with the air outlet end; the liquid path valve assembly is provided with a liquid inlet end and a liquid outlet end, and the liquid inlet is connected with the liquid outlet end;

the air circuit valve assembly and the liquid circuit valve assembly can be switched between an initial state and a working state, when the air circuit valve assembly is in the initial state, the air inlet end and the air outlet end are closed, and when the liquid circuit valve assembly is in the initial state, the liquid inlet end and the liquid outlet end are closed; when the air circuit valve assembly is in a working state, the air inlet end is communicated with the air outlet end, and when the liquid circuit valve assembly is in a working state, the liquid inlet end is communicated with the liquid outlet end.

Preferably, the cleaning equipment for controlling gas and liquid by double valves further comprises a valve mounting seat and a pressing piece which is rotatably connected with the valve mounting seat, wherein the valve mounting seat is provided with a gas path needle valve guide cavity with an opening at one side and a liquid path needle valve guide cavity with an opening at one side which are not coaxial, and the gas inlet end and the gas outlet end are communicated with the gas path needle valve guide cavity; the liquid inlet end and the liquid outlet end are communicated with the liquid path needle valve guide cavity; the gas path valve assembly further comprises a gas path needle valve assembly, the liquid path valve assembly further comprises a liquid path needle valve assembly, the gas path needle valve assembly is assembled in the gas path needle valve guide cavity, and the liquid path needle valve assembly is assembled in the liquid path needle valve guide cavity; the pressing piece with gas circuit needle valve subassembly with liquid way needle valve subassembly butt is used for control gas circuit needle valve subassembly with liquid way needle valve subassembly, in order to switch the initial condition and the operating condition of gas circuit valve subassembly and liquid way valve subassembly.

Preferably, the gas path needle valve guide cavity comprises a first gas path guide cavity with an opening at one side and a second gas path guide cavity extending from the tail end of the first gas path guide cavity to the vertical direction, the gas inlet end is communicated with the first gas path guide cavity, and the gas outlet end is communicated with the second gas path guide cavity; the gas path needle valve assembly comprises a gas path needle valve, a gas path elastic part abutted with the gas path needle valve and a gas path sealing part extending outwards from the gas path needle valve, the gas path elastic part is installed on one side, away from the first gas path guide cavity, of the second gas path guide cavity, the head end of the gas path needle valve extends out of the opening of the first gas path guide cavity and is abutted with the pressing part, and the tail end of the gas path needle valve is abutted with the gas path elastic part; the gas path sealing part is positioned in the second gas path guide cavity, and the outer edge of the gas path sealing part is abutted against the cavity wall of the second gas path guide cavity; in an initial state, the gas path sealing part is positioned between the gas inlet end and the gas outlet end, and the gas path sealing part is abutted against the cavity wall of the second gas path guide cavity close to the first gas path guide cavity to seal the gas inlet end and the gas outlet end; under the working state, the gas path sealing part is positioned outside the gas inlet end and the gas outlet end and is communicated with the gas inlet end and the gas outlet end.

Preferably, the gas circuit sealing part includes the sealed arch of gas circuit and the gas circuit sealing washer of outside extension along the gas circuit needle valve, the sealed bellied outer fringe of gas circuit and the chamber wall butt in second gas circuit direction chamber, the gas circuit sealing washer cover is established on the gas circuit needle valve, is located the sealed protruding one side that is close to first gas circuit direction chamber of gas circuit, just the outer fringe of gas circuit sealing washer is less than the sealed bellied outer fringe of gas circuit.

Preferably, the liquid path needle valve guide cavity comprises a first liquid path guide cavity with an opening at one side and a second liquid path guide cavity extending from the tail end of the first liquid path guide cavity to the vertical direction, the liquid inlet end is communicated with the first liquid path guide cavity, and the liquid outlet end is communicated with the second liquid path guide cavity; the liquid path needle valve assembly comprises a liquid path needle valve, a liquid path elastic part and a liquid path sealing part, wherein the liquid path elastic part is abutted to the liquid path needle valve, the liquid path sealing part extends outwards from the liquid path needle valve, the liquid path elastic part is installed on one side, away from the first liquid path guide cavity, of the second liquid path guide cavity, the head end of the liquid path needle valve extends out of an opening of the first liquid path guide cavity and is abutted to the pressing part, and the tail end of the liquid path needle valve is abutted to the liquid path elastic part; the liquid path sealing part is positioned in the second liquid path guide cavity, and the outer edge of the liquid path sealing part is abutted against the cavity wall of the second liquid path guide cavity; in an initial state, the liquid path sealing part is positioned between the liquid inlet end and the liquid outlet end, and the liquid path sealing part is abutted against the wall of the second liquid path guide cavity close to the first liquid path guide cavity to seal the liquid inlet end and the liquid outlet end; under the working state, the liquid path sealing part is positioned outside the liquid inlet end and the liquid outlet end and is communicated with the liquid inlet end and the liquid outlet end.

Preferably, the liquid way sealing part includes along the outside sealed protruding and the liquid way sealing washer of the liquid way that extends of liquid way needle valve, the sealed bellied outer fringe of liquid way and the chamber wall butt in second liquid way direction chamber, liquid way sealing washer cover is established on the liquid way needle valve, is located the sealed protruding one side that is close to first liquid way direction chamber of liquid way, just the outer fringe of liquid way sealing washer is less than the sealed bellied outer fringe of liquid way.

Preferably, the cleaning equipment with double valve control gas-liquid also comprises a three-way valve assembly, a first gas pipe and a first liquid pipe, and the deformable coil pipe assembly comprises a second gas pipe and a second liquid pipe; one end of the first gas pipe is connected with the gas outlet end, the other end of the first gas pipe is connected with the first end of the three-way valve assembly, one end of the first liquid pipe is connected with the liquid outlet end, the other end of the first liquid pipe is connected with the second end of the three-way valve assembly, one end of the second liquid pipe is connected with the spray head, the other end of the second liquid pipe is connected with the third end of the three-way valve assembly, the second gas pipe is positioned in the second liquid pipe, one end of the second gas pipe extends into the three-way valve assembly and is communicated with the first gas pipe, the first gas pipe and the second gas pipe are communicated with each other to form a gas flow passage, a liquid guide cavity is formed between the outer wall of the second liquid pipe and the inner wall of the second gas pipe, and the inner cavities of the first liquid pipe, the three-way valve assembly and the liquid guide cavity are communicated, the other end of the second air pipe is positioned in the second liquid pipe, and the gas flow passage and the liquid flow passage are communicated at the other end of the second air pipe to form the gas-liquid mixing part.

Preferably, the three-way valve assembly comprises a three-way pipe, a first gas pipe joint, a first liquid pipe joint and a second liquid pipe joint, wherein the first end of the three-way pipe is connected with the first gas pipe joint, the second end of the three-way pipe is connected with the first liquid pipe joint, the third end of the three-way pipe is connected with the second liquid pipe joint, the first gas pipe joint is connected with the first gas pipe, the first liquid pipe joint is connected with the first liquid pipe, the second liquid pipe joint is connected with the second liquid pipe, the second gas pipe is located inside the second liquid pipe, and the second gas pipe extends into the second liquid pipe joint, the three-way pipe and the first gas pipe joint and is communicated with the first gas pipe.

Preferably, the cleaning equipment further comprises a liquid storage bottle and a high-pressure air pipe, the liquid storage bottle comprises a bottle body and a bottle cap, a liquid suction pipe extending into the bottle body is arranged on the bottle cap, the liquid suction pipe is connected with the liquid inlet end, and the high-pressure air pipe is connected with the air inlet end.

In another aspect, the present invention provides an endoscope, comprising a cleaning device with dual valve control and gas-liquid control as described in the above embodiments.

The embodiment of the utility model provides a cleaning device and an endoscope for controlling gas and liquid by double valves, the cleaning device for controlling gas and liquid by double valves controls high-pressure gas to enter a gas inlet end by a gas path valve component, controls cleaning liquid to enter a liquid inlet end by a liquid path valve component, the cleaning liquid can enter the liquid inlet end according to the siphon principle, namely when the gas-liquid mixing part has negative pressure, the cleaning liquid can enter the liquid inlet end, and then when the gas inlet end and the gas outlet end are closed, the gas-liquid mixing part has no negative pressure, the cleaning liquid can not enter the liquid inlet end, and the liquid inlet end and the liquid outlet end are sealed, so that the situation of liquid dropping caused by the automatic flow of the cleaning liquid to the spray head can not occur, therefore, the double-valve gas-liquid control cleaning equipment has better quality and accurate control, meanwhile, as the deformable coil component is deformable, the cleaning angle can be flexibly adjusted according to actual needs, and the efficiency of cleaning industrial equipment can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of a viewing angle of a dual-valve controlled gas-liquid cleaning apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1, the cross-sectional view indicating an initial state of the fluid path needle valve assembly;

FIG. 3 is a diagram illustrating the operation of the liquid path needle valve assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion C of FIG. 3;

FIG. 5 is an enlarged view of portion D of FIG. 3;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1, the cross-sectional view indicating an initial state of the gas path needle valve assembly;

fig. 7 is a diagram illustrating an operation state of the gas circuit needle valve assembly according to an embodiment of the present invention.

Wherein the content of the first and second substances,

10. a deformable coil assembly; 11. a spray head; 12. a liquid inlet; 13. an air inlet; 14. a gas-liquid mixing section; 15. a second air pipe; 16. a second liquid pipe; 17. a gas flow channel; 18. a liquid flow passage; 19. a drainage cavity;

20. an air passage valve assembly; 21. an air inlet end; 22. an air outlet end; 23. a gas circuit needle valve assembly; 231. a gas path needle valve; 232. an air path elastic member; 233. a gas path sealing part; 2331. the gas path is sealed and raised; 2332. a gas circuit sealing ring;

30. a fluid path valve assembly; 31. a liquid inlet end; 32. a liquid outlet end; 33. a fluid path needle valve assembly; 331. a liquid path needle valve; 332. a liquid path elastic member; 333. a liquid path sealing part; 3331. a liquid path sealing bulge; 3332. a liquid path sealing ring;

40. a valve mount; 41. a pressing member; 42. a gas path needle valve guide cavity; 421. a first air passage guide cavity; 422. a second gas path guide cavity; 43. a liquid path needle valve guide cavity; 431. a first fluid path guide chamber; 432. a second liquid path guide chamber;

50. a three-way valve assembly; 51. a first gas pipe joint; 52. a first liquid pipe joint; 53. a second fluid pipe joint; 54. a three-way pipe;

60. a first air pipe; 61. a first liquid pipe;

70. a liquid storage bottle; 71. a bottle body; 72. a bottle cap; 73. a pipette;

80. a high-pressure air pipe.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a cleaning equipment of double-valve control gas-liquid, as shown in fig. 1-7, the cleaning equipment of double-valve control gas-liquid includes flexible coil subassembly 10, gas circuit valve subassembly 20 and liquid circuit valve subassembly 30, one end of flexible coil subassembly 10 is provided with shower nozzle 11, the other end of flexible coil subassembly 10 is provided with inlet 12 and air inlet 13, be provided with gas-liquid mixing portion 14 in the flexible coil subassembly 10, inlet 12 and air inlet 13 communicate shower nozzle 11 via gas-liquid mixing portion 14; the air path valve assembly 20 is provided with an air inlet end 21 and an air outlet end 22, and the air inlet 13 is connected with the air outlet end 22; the liquid path valve component 30 is provided with a liquid inlet end 31 and a liquid outlet end 32, and the liquid inlet 12 is connected with the liquid outlet end 32;

the gas circuit valve assembly 20 and the liquid circuit valve assembly 30 can be switched between an initial state and a working state, when the gas circuit valve assembly 20 is in the initial state, the gas inlet end 21 and the gas outlet end 22 are closed, and when the liquid circuit valve assembly 30 is in the initial state, the liquid inlet end 31 and the liquid outlet end 32 are closed; when the air passage valve assembly 20 is in an operating state, the air inlet 21 is communicated with the air outlet 22, and when the liquid passage valve assembly 30 is in an operating state, the liquid inlet 31 is communicated with the liquid outlet 32. It should be noted that the gas circuit valve assembly 20 and the liquid circuit valve assembly 30 are both in the working state, and the cleaning operation is performed by the double-valve controlled gas-liquid cleaning apparatus.

Specifically, as shown in fig. 3 to 5, a spray head 11 is arranged at one end of the deformable coil assembly 10, a liquid inlet 12 and a gas inlet 13 are arranged at the other end of the deformable coil assembly 10, a gas-liquid mixing part 14 is arranged in the deformable coil assembly 10, the liquid inlet 12 and the gas inlet 13 are communicated with the spray head 11 through the gas-liquid mixing part 14, a gas outlet end 22 of the air passage valve assembly 20 is connected with the gas inlet 13, and a gas inlet end 21 is used for supplying high-pressure gas into the cleaning equipment; the liquid outlet end 32 of the liquid path valve component 30 is connected with the liquid inlet 12, and the liquid inlet end 31 is used for allowing cleaning liquid to enter the cleaning equipment; when the air passage valve assembly 20 is in the initial state, the air inlet end 21 and the air outlet end 22 are closed, at this time, the liquid passage valve assembly 30 is also in the initial state, and the liquid inlet end 31 and the liquid outlet end 32 are closed; when the air passage valve assembly 20 is in an operating state, the air inlet end 21 is communicated with the air outlet end 22, high-pressure air is input into the air inlet end 21 and then flows to the air inlet 13 and the air-liquid mixing part 14 through the air outlet end 22, at this time, the liquid passage valve assembly 30 is also in an operating state, the liquid outlet end 32 of the liquid passage valve assembly 30 is connected with the liquid inlet 12, as the liquid inlet 12 and the air inlet 13 are communicated with the spray head 11 through the air-liquid mixing part 14, relative to the liquid inlet end 31, the air-liquid mixing part 14 of the deformable coil assembly 10 has negative pressure, therefore, according to the siphon principle, the existence of the negative pressure in the air-liquid mixing part 14 enables cleaning liquid to flow into the liquid inlet end 31, the liquid outlet end 32 and the liquid inlet 12 to enter the deformable coil assembly 10 and flow to the air-liquid mixing part 14. Utilize gas circuit valve subassembly 20 control high-pressure gas to get into inlet end 21 in this embodiment, utilize liquid circuit valve subassembly 30 control washing liquid to get into inlet end 31, and the washing liquid can only get into inlet end 31 according to the siphon principle, that is to say when gas-liquid mixture portion 14 has the negative pressure, the washing liquid just can get into inlet end 31, then, seal when inlet end 21 and outlet end 22, then gas-liquid mixture portion 14 does not have the negative pressure, the washing liquid can not get into inlet end 31, inlet end 31 and outlet end 32 seal simultaneously, the automatic flow direction shower nozzle 11 of washing liquid can not appear, cause the condition of dropping liquid, therefore, the cleaning equipment quality of double valve control gas-liquid is preferred and control is accurate, simultaneously because flexible snake pipe subassembly 10 is deformable, can adjust the washing angle according to actual need is nimble, can improve and wash industrial equipment efficiency.

In an embodiment, as shown in fig. 3-7, the cleaning apparatus with dual valve controlled gas-liquid further includes a valve mounting seat 40 and a pressing member 41 rotatably connected to the valve mounting seat 40, the valve mounting seat 40 is provided with a gas path needle valve guide cavity 42 with one side opened and a liquid path needle valve guide cavity 43 with one side opened, which are not coaxial, and the gas inlet end 21 and the gas outlet end 22 are communicated with the gas path needle valve guide cavity 42; the liquid inlet end 31 and the liquid outlet end 32 are communicated with a liquid path needle valve guide cavity 43; the gas path valve assembly 20 further comprises a gas path needle valve assembly 23, the liquid path valve assembly 30 further comprises a liquid path needle valve assembly 33, the gas path needle valve assembly 23 is assembled in the gas path needle valve guide cavity 42, and the liquid path needle valve assembly 33 is assembled in the liquid path needle valve guide cavity 43; the pressing member 41 abuts against the air path needle valve assembly 23 and the liquid path needle valve assembly 33, and is used for controlling the air path needle valve assembly 23 and the liquid path needle valve assembly 33 so as to switch the initial state and the working state of the air path valve assembly 20 and the liquid path valve assembly 30.

Specifically, the pressing member 41 is rotatably connected to the valve mounting seat 40 and abuts against the air path needle valve assembly 23 and the liquid path needle valve assembly 33 to control the reciprocating motion of the air path needle valve assembly 23 in the air path needle valve guide cavity 42 and the reciprocating motion of the liquid path needle valve assembly 33 in the liquid path needle valve guide cavity 43 to switch the initial state and the working state of the air path valve assembly 20 and the liquid path valve assembly 30.

As an example, when the pressing member 41 is pressed, the gas path valve assembly 20 is controlled to communicate the gas inlet end 21 with the gas outlet end 22, the liquid path valve assembly 33 is controlled to communicate the liquid inlet end 31 with the liquid outlet end 32, so that the high-pressure gas flows to the gas-liquid mixing portion 14, a negative pressure is generated in the gas-liquid mixing portion 14, the cleaning liquid is flushed into the gas-liquid mixing portion 14, the cleaning liquid and the high-pressure gas are mixed in the gas-liquid mixing portion 14, and the industrial equipment is cleaned through the spray head 11; when the pressing piece 41 is loosened, the air passage valve assembly 20 is controlled to seal the liquid inlet end 31 and the liquid outlet end 32, and seal the air inlet end 21 and the air outlet end 22, so that the cleaning work is convenient and the feasibility is strong.

The openings of the air passage needle valve guide cavity 42 and the liquid passage needle valve guide cavity 43 are disposed on the same side, and the distance between the air passage needle valve guide cavity 42 and the pressing member 41 is smaller than the distance between the liquid passage needle valve guide cavity 43 and the pressing member 41. Therefore, when the pressing member 41 is pressed, the air inlet end 21 and the air outlet end 22 can be firstly communicated, so that the high-pressure air flows to the air-liquid mixing part 14, negative pressure is generated in the air-liquid mixing part 14, so that the cleaning liquid flows into the air-liquid mixing part 14, and when the pressing member 41 is released, the liquid inlet end 31 and the liquid outlet end 32 are firstly sealed, so that the residual cleaning liquid at the liquid outlet end 32 is completely extracted by the negative pressure of the air-liquid mixing part 14, and the situation that the cleaning liquid automatically flows to the spray head 11 to cause liquid dropping is ensured not to occur.

In an embodiment, as shown in fig. 2 and 6, the air path needle valve guide cavity 42 includes a first air path guide cavity 421 with one side open and a second air path guide cavity 422 extending from the tail end of the first air path guide cavity 421 to the vertical direction, the air inlet end 21 is communicated with the first air path guide cavity 421, and the air outlet end 22 is communicated with the second air path guide cavity 422; the gas path needle valve assembly 23 comprises a gas path needle valve 231, a gas path elastic member 232 abutted with the gas path needle valve 231 and a gas path sealing part 233 extending outwards from the gas path needle valve 231, the gas path elastic member 232 is installed on one side of the second gas path guide cavity 422 far away from the first gas path guide cavity 421, the head end of the gas path needle valve 231 extends out of the opening of the first gas path guide cavity 421 to abut with the pressing member 41, and the tail end of the gas path needle valve 231 is abutted with the gas path elastic member 232; the air path sealing part 233 is positioned in the second air path guide cavity 422, and the outer edge of the air path sealing part 233 is abutted against the cavity wall of the second air path guide cavity 422; in an initial state, the air path sealing part 233 is located between the air inlet end 21 and the air outlet end 22, the air path sealing part 233 abuts against the wall of the second air path guiding cavity 422 close to the first air path guiding cavity 421, and the air inlet end 21 and the air outlet end 22 are closed; in the operating state, the air path sealing portion 233 is located outside the air inlet end 21 and the air outlet end 22 and communicates the air inlet end 21 and the air outlet end 22.

Specifically, the second air path guiding cavity 422 is formed by extending from the tail end of the first air path guiding cavity 421 to the vertical direction, the air inlet end 21 is communicated with the first air path guiding cavity 421, and the air outlet end 22 is communicated with the second air path guiding cavity 422; the air path sealing part 233 is located in the second air path guiding cavity 422, the outer edge of the air path sealing part 233 is abutted to the cavity wall of the second air path guiding cavity 422, when the pressing piece 41 is loosened, the air path valve assembly 20 is in an initial state, the air path sealing part 233 is located between the air inlet end 21 and the air outlet end 22, the air path sealing part 233 is abutted to the cavity wall of the second air path guiding cavity 422 close to the first air path guiding cavity 421, therefore, the air tightness between the air inlet end 21 and the air outlet end 22 is good, so that the air inlet end 21 and the air outlet end 22 are better sealed, and air leakage is avoided. When the pressing member 41 is pressed, the air passage valve assembly 20 is in an operating state, and the air passage sealing portion 233 is located outside the air inlet port 21 and the air outlet port 22 to communicate the air inlet port 21 and the air outlet port 22.

As an example, in order to ensure good airtightness of the gas passage needle valve guide chamber 42, a gas passage head end seal is fitted to the head end of the gas passage needle valve 231, and the outer edge of the gas passage head end seal abuts against the chamber wall of the first gas passage guide chamber 421.

In one embodiment, as shown in fig. 2 and 6, the gas path sealing portion 233 includes a gas path sealing protrusion 2331 and a gas path sealing ring 2332, the gas path sealing protrusion 2331 extends outward along the gas path needle valve 231, an outer edge of the gas path sealing protrusion 2331 abuts against a cavity wall of the second gas path guide cavity 422, the gas path sealing ring 2332 is sleeved on the gas path needle valve 231 and is located on a side of the gas path sealing protrusion 2331 close to the first gas path guide cavity 421, and an outer edge of the gas path sealing ring 2332 is smaller than an outer edge of the gas path sealing protrusion 2331.

Specifically, gas circuit sealing circle 2332 cover is established on gas circuit needle valve 231, be located one side that gas circuit sealing protrusion 2331 is close to first gas circuit direction chamber 421, be in initial condition when gas circuit valve subassembly 20, gas circuit sealing circle 2332 is close to the chamber wall butt of first gas circuit direction chamber 421 with second gas circuit direction chamber 422, in order to ensure that the seal between inlet end 21 and the end 22 of giving vent to anger is good, again the outer fringe and the second gas circuit direction chamber 422 butt of gas circuit sealing protrusion 2331, and gas circuit sealing circle 2332's outer fringe is less than the outer fringe of gas circuit sealing protrusion 2331, consequently, during gas circuit needle reciprocating motion, gas circuit sealing circle 2332 can not take place wearing and tearing, consequently, the utility model discloses the time limit of use is longer.

In one embodiment, as shown in fig. 2 and 6, the liquid path needle valve guide chamber 43 includes a first liquid path guide chamber 431 with one side opened and a second liquid path guide chamber 432 extending from the tail end of the first liquid path guide chamber 431 to the vertical direction, the liquid inlet end 31 is communicated with the first liquid path guide chamber 431, and the liquid outlet end 32 is communicated with the second liquid path guide chamber 432; the liquid path needle valve assembly 33 comprises a liquid path needle valve 331, a liquid path elastic member 332 abutting against the liquid path needle valve 331, and a liquid path sealing part 333 extending outward from the liquid path needle valve 331, the liquid path elastic member 332 is installed on one side of the second liquid path guide chamber 432 away from the first liquid path guide chamber 431, the opening of the head end of the liquid path needle valve 331 extending out of the first liquid path guide chamber 431 abuts against the pressing member 41, and the tail end of the liquid path needle valve 331 abuts against the liquid path elastic member 332; the liquid path sealing part 333 is positioned in the second liquid path guide chamber 432, and the outer edge of the liquid path sealing part 333 abuts against the chamber wall of the second liquid path guide chamber 432; in an initial state, the liquid path sealing part 333 is positioned between the liquid inlet end 31 and the liquid outlet end 32, the liquid path sealing part 333 is abutted against the wall of the second liquid path guide cavity 432 close to the first liquid path guide cavity 431, and the liquid inlet end 31 and the liquid outlet end 32 are sealed; in the working state, the liquid path sealing part 333 is located outside the liquid inlet end 31 and the liquid outlet end 32 and communicates the liquid inlet end 31 and the liquid outlet end 32.

Specifically, the second liquid path guiding cavity 432 is formed by extending from the tail end of the first liquid path guiding cavity 431 to the vertical direction, the liquid inlet end 31 is communicated with the first liquid path guiding cavity 431, and the liquid outlet end 32 is communicated with the second liquid path guiding cavity 432; the liquid path sealing part 333 is positioned in the second liquid path guiding cavity 432, the outer edge of the liquid path sealing part 333 is abutted with the cavity wall of the second liquid path guiding cavity 432, when the pressing piece 41 is loosened, the liquid path valve assembly 30 is in an initial state, the liquid path sealing part 333 is positioned between the liquid inlet end 31 and the liquid outlet end 32, and the liquid path sealing part 333 is abutted with the cavity wall of the second liquid path guiding cavity 432 close to the first liquid path guiding cavity 431, so that the liquid inlet end 31 and the liquid outlet end 32 are good in tightness, the liquid inlet end 31 and the liquid outlet end 32 are better sealed, and liquid leakage is avoided. When the pressing member 41 is pressed, the fluid path valve assembly 30 is in an operating state, and the fluid path sealing part 333 is located outside the liquid inlet end 31 and the liquid outlet end 32 to communicate the liquid inlet end 31 and the liquid outlet end 32.

As an example, in order to ensure good liquid tightness of the liquid passage needle valve guide chamber 43, a liquid passage head end seal is fitted to the head end of the liquid passage needle valve 331, and the outer edge of the liquid passage head end seal abuts against the chamber wall of the first liquid passage guide chamber 431.

In one embodiment, as shown in fig. 2 and 6, the liquid path sealing portion 333 includes a liquid path sealing protrusion 3331 and a liquid path sealing ring 3332 extending outwardly along the liquid path needle 331, wherein an outer edge of the liquid path sealing protrusion 3331 abuts against a cavity wall of the second liquid path guiding cavity 432, the liquid path sealing ring 3332 is sleeved on the liquid path needle 331 and is located on a side of the liquid path sealing protrusion 3331 close to the first liquid path guiding cavity 431, and an outer edge of the liquid path sealing ring 3332 is smaller than an outer edge of the liquid path sealing protrusion 3331.

Specifically, liquid way sealing washer 3332 cover is established on liquid way needle valve 331, be located the one side that liquid way sealing protrusion 3331 is close to first liquid way direction chamber 431, be in initial condition when liquid way valve member 30, liquid way sealing washer 3332 and second liquid way direction chamber 432 are close to first liquid way direction chamber 431's chamber wall butt, it is good to ensure the seal between feed liquor end 31 and the play liquid end 32, the outer fringe and the second liquid way direction chamber 432 butt of liquid way sealing protrusion 3331 again, and the outer fringe of liquid way sealing washer 3332 is less than the outer fringe of liquid way sealing protrusion 3331, therefore, when liquid way needle reciprocating motion, wearing and tearing can not take place for liquid way sealing washer 3332, therefore, the utility model discloses the time limit of use is longer.

In one embodiment, as shown in FIGS. 3-7, the double valve controlled gas and liquid purging device further comprises a three-way valve assembly 50, a first gas tube 60 and a first liquid tube 61, and the flexible coil assembly 10 comprises a second gas tube 15 and a second liquid tube 16; one end of the first air tube 60 is connected with the air outlet end 22, the other end of the first air tube 60 is connected with the first end of the three-way valve assembly 50, one end of the first liquid tube 61 is connected with the liquid outlet end 32, the other end of the first liquid tube 61 is connected with the second end of the three-way valve assembly 50, one end of the second liquid tube 16 is connected with the spray head 11, the other end of the second liquid tube 16 is connected with the third end of the three-way valve assembly 50, the second air tube 15 is located inside the second liquid tube 16, one end of the second air tube 15 extends into the three-way valve assembly 50 and is communicated with the first air tube 60, the first air tube 60 and the second air tube 15 are communicated with each other to form an air flow channel 17, a liquid guide cavity 19 is formed between the outer wall of the second liquid tube 16 and the inner wall of the second air tube 15, the inner cavities of the first liquid tube 61 and the three-way valve assembly 50 are communicated with each other to form a liquid flow channel 18, the other end of the second air tube .

Specifically, the gas flow passage 17 and the liquid flow passage 18 are communicated with each other at the other end of the second gas pipe 15 to form the gas-liquid mixing portion 14, so that the high-pressure gas flows into the gas-liquid mixing portion 14 through the gas flow passage 17, the gas-liquid mixing portion 14 has a negative pressure, the cleaning liquid flows into the gas-liquid mixing portion 14, the high-pressure gas and the cleaning liquid are mixed in the gas-liquid mixing portion 14, the industrial equipment is cleaned by using the spray head 11, and the length of the deformable coil assembly 10 can be changed due to the fact that the deformable coil assembly 10 comprises the second gas pipe 15 and the second liquid pipe 16, and different industrial equipment can be cleaned.

In one embodiment, as shown in fig. 3 and 4, the three-way valve assembly 50 comprises a tee 54, a first pipe joint 51, a first liquid pipe joint 52 and a second liquid pipe joint 53, a first end of the tee 54 is connected with the first pipe joint 51, a second end of the tee 54 is connected with the first liquid pipe joint 52, a third end of the tee 54 is connected with the second liquid pipe joint 53, the first pipe joint 51 is connected with a first gas pipe 60, the first liquid pipe joint 52 is connected with a first liquid pipe 61, the second liquid pipe joint 53 is connected with a second liquid pipe 16, a second gas pipe 15 is located inside the second liquid pipe 16, and the second gas pipe 15 extends into the second liquid pipe joint 53, the tee 54 and the first pipe joint 51 to be communicated with the first gas pipe 60.

The first air pipe 60, the second air pipe 15, the first liquid pipe 61 and the second liquid pipe 16 are connected by the three-way valve assembly 50, so that the integration of the cleaning apparatus is high. The second gas pipe 15 extends into the second liquid pipe joint 53, the tee pipe 54 and the first gas pipe joint 51 to communicate with the first gas pipe 60, so that the high-pressure gas enters the gas-liquid mixing portion 14 through the first gas pipe 60 and the second gas pipe 15.

In one embodiment, as shown in fig. 3 and 7, the cleaning apparatus further includes a liquid storage bottle 70 and a high pressure air pipe 80, the liquid storage bottle 70 includes a bottle body 71 and a bottle cap 72, a liquid suction pipe 73 extending into the bottle body 71 is disposed on the bottle cap 72, the liquid suction pipe 73 is connected to the liquid inlet end 31, and the high pressure air pipe 80 is connected to the air inlet end 21.

Specifically, the cleaning equipment of double valve control gas-liquid still includes first catheter, second catheter and adapter, and in the one end of pipette 73 stretched into stock solution bottle 70, and with the washing liquid contact in the stock solution bottle 70, the other end and the first catheter connection of pipette 73, first catheter passes through the adapter with the second catheter and is connected, and the other end and the feed liquor end 31 of second catheter are connected. When industrial equipment needs to be cleaned, high-pressure gas is input into the gas inlet end 21, negative pressure is formed in the gas-liquid mixing portion 14, so that cleaning liquid in the liquid storage bottle 70 flows into the gas inlet end 31 and flows to the gas-liquid mixing portion 14, and the industrial equipment is cleaned through the spray head 11.

The utility model provides an endoscope (not shown in the figure), including the cleaning equipment of double valve control gas-liquid as above-mentioned embodiment.

Specifically, a spray head 11 is arranged at one end of the deformable coil assembly 10, a liquid inlet 12 and a gas inlet 13 are arranged at the other end of the deformable coil assembly 10, a gas-liquid mixing part 14 is arranged in the deformable coil assembly 10, the liquid inlet 12 and the gas inlet 13 are communicated with the spray head 11 through the gas-liquid mixing part 14, a gas outlet end 22 of the gas path valve assembly 20 is connected with the gas inlet 13, and a gas inlet end 21 is used for allowing high-pressure gas to enter the cleaning equipment; the liquid outlet end 32 of the liquid path valve component 30 is connected with the liquid inlet 12, and the liquid inlet end 31 is used for allowing cleaning liquid to enter the cleaning equipment; when the air passage valve assembly 20 is in the initial state, the air inlet end 21 and the air outlet end 22 are closed, at this time, the liquid passage valve assembly 30 is also in the initial state, and the liquid inlet end 31 and the liquid outlet end 32 are closed; when the air passage valve assembly 20 is in a working state, the air inlet end 21 is communicated with the air outlet end 22, high-pressure air is input into the air inlet end 21 and then flows to the air inlet 13 and the air-liquid mixing part 14 through the air outlet end 22, because the liquid inlet 12 and the air inlet 13 are communicated with the spray head 11 through the air-liquid mixing part 14, and the air-liquid mixing part 14 of the deformable coil assembly 10 has negative pressure relative to the liquid inlet end 31, therefore, according to the siphon principle, the cleaning liquid is enabled to rush into the liquid inlet end 31, the liquid outlet end 32 and the liquid inlet 12 to enter the deformable coil assembly 10 due to the negative pressure of the air-liquid mixing part 14 and flow to the air-liquid mixing part 14, and the cleaning liquid and the high-pressure air are. Utilize gas circuit valve subassembly 20 control high-pressure gas to get into inlet end 21 in this embodiment, utilize liquid circuit valve subassembly 30 control washing liquid to get into inlet end 31, and the washing liquid can only get into inlet end 31 according to the siphon principle, that is to say when gas-liquid mixture portion 14 has the negative pressure, the washing liquid just can get into inlet end 31, then, seal when inlet end 21 and outlet end 22, then gas-liquid mixture portion 14 does not have the negative pressure, the washing liquid can not get into inlet end 31, inlet end 31 and outlet end 32 seal simultaneously, the automatic flow direction shower nozzle 11 of washing liquid can not appear, cause the condition of dropping liquid, therefore, the cleaning equipment quality of double valve control gas-liquid is preferred and control is accurate, simultaneously because flexible snake pipe subassembly 10 is deformable, can adjust the washing angle according to actual need is nimble, can improve and wash industrial equipment efficiency.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. The cleaning equipment for controlling gas and liquid by double valves is characterized by comprising a deformable coil assembly, a gas circuit valve assembly and a liquid circuit valve assembly, wherein one end of the deformable coil assembly is provided with a spray head, the other end of the deformable coil assembly is provided with a liquid inlet and a gas inlet, a gas-liquid mixing part is arranged in the deformable coil assembly, and the liquid inlet and the gas inlet are communicated with the spray head through the gas-liquid mixing part; the air path valve assembly is provided with an air inlet end and an air outlet end, and the air inlet is connected with the air outlet end; the liquid path valve assembly is provided with a liquid inlet end and a liquid outlet end, and the liquid inlet is connected with the liquid outlet end;

2. The dual-valve gas-liquid cleaning device according to claim 1, wherein the dual-valve gas-liquid cleaning device further comprises a valve mounting seat and a pressing member rotatably connected to the valve mounting seat, the valve mounting seat is provided with a gas path needle valve guide cavity with an opening at one side and a liquid path needle valve guide cavity with an opening at one side, which are not coaxial, and the gas inlet end and the gas outlet end are communicated with the gas path needle valve guide cavity; the liquid inlet end and the liquid outlet end are communicated with the liquid path needle valve guide cavity; the gas path valve assembly further comprises a gas path needle valve assembly, the liquid path valve assembly further comprises a liquid path needle valve assembly, the gas path needle valve assembly is assembled in the gas path needle valve guide cavity, and the liquid path needle valve assembly is assembled in the liquid path needle valve guide cavity; the pressing piece with gas circuit needle valve subassembly with liquid way needle valve subassembly butt is used for control gas circuit needle valve subassembly with liquid way needle valve subassembly, in order to switch the initial condition and the operating condition of gas circuit valve subassembly and liquid way valve subassembly.

3. The dual-valve gas-liquid control cleaning device according to claim 2, wherein the gas path needle valve guide cavity comprises a first gas path guide cavity with an opening at one side and a second gas path guide cavity extending from the tail end of the first gas path guide cavity in a vertical direction, the gas inlet end is communicated with the first gas path guide cavity, and the gas outlet end is communicated with the second gas path guide cavity; the gas path needle valve assembly comprises a gas path needle valve, a gas path elastic part abutted with the gas path needle valve and a gas path sealing part extending outwards from the gas path needle valve, the gas path elastic part is installed on one side, away from the first gas path guide cavity, of the second gas path guide cavity, the head end of the gas path needle valve extends out of the opening of the first gas path guide cavity and is abutted with the pressing part, and the tail end of the gas path needle valve is abutted with the gas path elastic part; the gas path sealing part is positioned in the second gas path guide cavity, and the outer edge of the gas path sealing part is abutted against the cavity wall of the second gas path guide cavity; in an initial state, the gas path sealing part is positioned between the gas inlet end and the gas outlet end, and the gas path sealing part is abutted against the cavity wall of the second gas path guide cavity close to the first gas path guide cavity to seal the gas inlet end and the gas outlet end; under the working state, the gas path sealing part is positioned outside the gas inlet end and the gas outlet end and is communicated with the gas inlet end and the gas outlet end.

4. The cleaning equipment for controlling gas and liquid by double valves as claimed in claim 3, wherein the gas path sealing part comprises a gas path sealing protrusion and a gas path sealing ring which extend outwards along the gas path needle valve, the outer edge of the gas path sealing protrusion abuts against the cavity wall of the second gas path guiding cavity, the gas path sealing ring is sleeved on the gas path needle valve and is positioned on one side of the gas path sealing protrusion close to the first gas path guiding cavity, and the outer edge of the gas path sealing ring is smaller than the outer edge of the gas path sealing protrusion.

5. The dual-valve controlled gas-liquid cleaning apparatus as claimed in claim 2, wherein the liquid path needle valve guide chamber comprises a first liquid path guide chamber opened at one side and a second liquid path guide chamber extended from a rear end of the first liquid path guide chamber in a vertical direction, the liquid inlet end is communicated with the first liquid path guide chamber, and the liquid outlet end is communicated with the second liquid path guide chamber; the liquid path needle valve assembly comprises a liquid path needle valve, a liquid path elastic part and a liquid path sealing part, wherein the liquid path elastic part is abutted to the liquid path needle valve, the liquid path sealing part extends outwards from the liquid path needle valve, the liquid path elastic part is installed on one side, away from the first liquid path guide cavity, of the second liquid path guide cavity, the head end of the liquid path needle valve extends out of an opening of the first liquid path guide cavity and is abutted to the pressing part, and the tail end of the liquid path needle valve is abutted to the liquid path elastic part; the liquid path sealing part is positioned in the second liquid path guide cavity, and the outer edge of the liquid path sealing part is abutted against the cavity wall of the second liquid path guide cavity; in an initial state, the liquid path sealing part is positioned between the liquid inlet end and the liquid outlet end, and the liquid path sealing part is abutted against the wall of the second liquid path guide cavity close to the first liquid path guide cavity to seal the liquid inlet end and the liquid outlet end; under the working state, the liquid path sealing part is positioned outside the liquid inlet end and the liquid outlet end and is communicated with the liquid inlet end and the liquid outlet end.

6. The dual-valve controlled gas-liquid cleaning device according to claim 5, wherein the liquid path sealing portion comprises a liquid path sealing protrusion and a liquid path sealing ring, the liquid path sealing protrusion extends outwards along the liquid path needle valve, the outer edge of the liquid path sealing protrusion abuts against the cavity wall of the second liquid path guide cavity, the liquid path sealing ring is sleeved on the liquid path needle valve and is located on one side, close to the first liquid path guide cavity, of the liquid path sealing protrusion, and the outer edge of the liquid path sealing ring is smaller than the outer edge of the liquid path sealing protrusion.

7. The dual valve controlled gas and liquid cleaning apparatus as recited in claim 1, wherein said dual valve controlled gas and liquid cleaning apparatus further comprises a three-way valve assembly, a first gas line and a first liquid line, said deformable coil assembly comprising a second gas line and a second liquid line; one end of the first gas pipe is connected with the gas outlet end, the other end of the first gas pipe is connected with the first end of the three-way valve assembly, one end of the first liquid pipe is connected with the liquid outlet end, the other end of the first liquid pipe is connected with the second end of the three-way valve assembly, one end of the second liquid pipe is connected with the spray head, the other end of the second liquid pipe is connected with the third end of the three-way valve assembly, the second gas pipe is positioned in the second liquid pipe, one end of the second gas pipe extends into the three-way valve assembly and is communicated with the first gas pipe, the first gas pipe and the second gas pipe are communicated with each other to form a gas flow passage, a liquid guide cavity is formed between the outer wall of the second liquid pipe and the inner wall of the second gas pipe, and the inner cavities of the first liquid pipe, the three-way valve assembly and the liquid guide cavity are communicated, the other end of the second air pipe is positioned in the second liquid pipe, and the gas flow passage and the liquid flow passage are communicated at the other end of the second air pipe to form the gas-liquid mixing part.

8. The dual valve controlled gas and liquid purging apparatus of claim 7, wherein said three-way valve assembly includes a tee, a first gas tube connector, a first liquid tube connector, and a second liquid tube connector, a first end of said tee being connected to said first gas tube connector, a second end of said tee being connected to said first liquid tube connector, a third end of said tee being connected to said second liquid tube connector, and said first gas tube connector being connected to said first gas tube, said first liquid tube connector being connected to said first liquid tube, said second liquid tube connector being connected to said second liquid tube, said second gas tube being located inside said second liquid tube, and said second gas tube extending into said second liquid tube connector, said tee, and said first gas tube connector being in communication with said first gas tube.

9. The cleaning apparatus for dual-valve controlled gas-liquid according to claim 1, further comprising a liquid storage bottle and a high pressure gas pipe, wherein the liquid storage bottle comprises a bottle body and a bottle cap, the bottle cap is provided with a liquid suction pipe extending into the bottle body, the liquid suction pipe is connected with the liquid inlet end, and the high pressure gas pipe is connected with the gas inlet end.

10. An endoscope comprising a double valve controlled gas and liquid cleaning apparatus as claimed in any one of claims 1 to 9.