CN214001608U

CN214001608U - Foam production device

Info

Publication number: CN214001608U
Application number: CN202023351061.2U
Authority: CN
Inventors: 苏小海
Original assignee: Shenzhen Shenhua Industrial Co ltd
Current assignee: Shenzhen Shenhua Industrial Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-20
Anticipated expiration: 2030-12-31

Abstract

The application relates to the technical field of cleaning equipment, and relates to a foam production device which comprises a foam outlet pipe, a water inlet pipe, a liquid inlet pipe, an air pipe and a water pump, wherein the foam outlet pipe is used for connecting a foam gun, the liquid inlet pipe is used for introducing car washing liquid, the air pipe is communicated with the foam outlet pipe and the water inlet pipe, the liquid inlet pipe is communicated with the water inlet pipe, the liquid inlet pipe is provided with a first one-way valve which can only allow the car washing liquid to enter the water inlet pipe, and the air pipe is provided with a second one-way valve which can only allow air to enter the foam outlet pipe; the device can produce foam and atomized wax water at any time; and the device does not need artifical water liquid ratio, and it is convenient to use, and the device need not deposit a large amount of pressure vessels simultaneously, and is small, hangs the wall design, and the province space can not produce the hidden danger of explosion, consequently can not cause the injury to the human body.

Description

Foam production device

Technical Field

The application relates to the field of cleaning equipment, in particular to a foam production device.

Background

At present, with the gradual improvement of living conditions, more and more families buy vehicles for going out, the vehicles are exposed in the external environment for a long time, and the outer surfaces of the vehicles are easily stained with more dust, stains and the like, so that the vehicles are often required to be driven to a 4S store for cleaning; in a 4S store, a worker would apply foam to the car skin to clean the car.

Nowadays, water and a car washing liquid are mixed according to a certain proportion, then the mixture is introduced into a pressure container, a foam gun for spraying foam is communicated with the pressure container, and a worker sprays the foam on an automobile shell by controlling the foam gun.

With respect to the related art in the above, the inventors consider that: the need for the merchant to store enough foam-filled pressure vessels in advance for car washing results in the merchant having to prepare a larger space for placing the pressure vessels, increasing costs.

SUMMERY OF THE UTILITY MODEL

In order to make the foam just can make when needs use the foam to improve space utilization, this application provides a foam apparatus for producing.

The application provides a foam apparatus for producing adopts following technical scheme:

a foam production device comprises a foam outlet pipe, a water inlet pipe, a liquid inlet pipe, an air pipe and a water pump, wherein the foam outlet pipe is used for being connected with a foam gun, the liquid inlet pipe is filled with car washing liquid, the air pipe is communicated with the foam outlet pipe, the two openings of the water pump are respectively communicated with the foam outlet pipe and the water inlet pipe, the liquid inlet pipe is communicated with the water inlet pipe, the liquid inlet pipe is provided with a first one-way valve, the car washing liquid can only enter the water inlet pipe, and the air pipe is provided with a second one-way valve, the gas can only enter the foam outlet pipe.

By adopting the technical scheme, when foam is required to be sprayed on the automobile shell, a worker starts the water pump, according to the Venturi principle, the water pump pumps water in the water inlet pipe into the water pump, when the water flows at a high speed, negative pressure is generated in the water inlet pipe, the first one-way valve is further opened, car washing liquid in the liquid inlet pipe enters the water inlet pipe and enters the water pump along with the water, the water pump fully mixes the car washing liquid with the water and then enters the foam outlet pipe, similarly, gas in the gas pipe can enter the foam outlet pipe and is mixed with the water and the car washing liquid to form foam, and finally the foam is sprayed out through the foam gun; the device can produce foam and atomized wax water at any time; and the device does not need artifical water liquid ratio, and it is convenient to use, and the device need not deposit a large amount of pressure vessels simultaneously, and is small, hangs the wall design, and the province space can not produce the hidden danger of explosion, consequently can not cause the injury to the human body.

Preferably, the inlet tube through first connecting pipe with the water pump is connected, the inlet tube can dismantle connect in first connecting pipe, first connecting pipe inlay be equipped with contradict in the inlet tube is close to the first sealing ring of the inner wall of the one end of water pump, first connecting pipe is kept away from the one end of water pump inlay be equipped with contradict in the second sealing ring of inlet tube inner wall, first connecting pipe be equipped with the hole of stepping down of feed liquor pipe intercommunication.

Through adopting above-mentioned technical scheme, because the existence of first sealing ring and second sealing ring for first connecting pipe and the inside seal condition that keeps of inlet tube avoid in gaseous clearance between first connecting pipe and the inlet tube enters into first passageway, guarantee that the inlet tube is inside to be in low pressure state, and then guarantee that the liquid in the inlet tube can enter into in the first connecting pipe.

Preferably, the first connecting pipe is internally provided with a first channel, a second channel and a third channel which are sequentially communicated, the first channel is communicated with the water inlet pipe, the second channel is gradually contracted along the water flow direction, and the abdicating hole is communicated with the first channel.

By adopting the technical scheme, according to the Bernoulli equation and the Venturi principle, the pressure at the first channel and the second channel is further reduced, and then the vehicle washing liquid can enter the first connecting pipe more easily.

Preferably, the third channel is arranged to be gradually enlarged along the water flow direction.

By adopting the technical scheme, the vehicle washing liquid and the water enter the water pump through the third channel, and the distance that the water flows through in unit time can be reduced through the arrangement of the third channel, so that the liquid conveying efficiency is improved.

Preferably, just be close to in the first passageway the one end of second passageway is equipped with the spacing ring, the outer wall of spacing ring contradict in first passageway inner wall, the hole of stepping down is located the spacing ring with between the second passageway.

By adopting the technical scheme, due to the existence of the limiting ring, water can be accelerated when flowing in the channel of the limiting ring, so that the low pressure between the limiting ring and the second channel is lower, and the conveying efficiency of the carwash is improved.

Preferably, the stop collar has a fourth passage which gradually narrows in the direction of water flow.

Through adopting above-mentioned technical scheme, the fourth is crossed and is led rivers, plays the effect of a transition, improves the structural strength of spacing ring to reduce the rivers impact force that the spacing ring received, prolong the life of spacing ring.

Preferably, the inlet tube has fifth passageway and the sixth passageway that communicates in proper order, the sixth passageway with the fourth passageway intercommunication, the fifth passageway sets up along the direction of rivers shrink gradually.

Through adopting above-mentioned technical scheme, because the existence of fifth passageway and sixth passageway is favorable to the carwash to get into in the first passageway.

Preferably, the foam discharging pipe is provided with a pressure switch which is electrically connected with the water pump and is contacted with water in the foam discharging pipe, and when the pressure value in the foam discharging pipe reaches a preset value, the pressure switch controls the water pump to be closed.

Through adopting above-mentioned technical scheme, go out the pressure of the intraductal water of foam through pressure switch response, and then judge whether water pressure is too high, if go out when the intraductal pressure value of foam reaches the default, pressure switch control water pump closes to play the guard action to the device, further improve the suitability of the device.

Preferably, the foam discharging pipe is provided with a seventh channel and an eighth channel which are sequentially communicated, the seventh channel is communicated with the water pump, the inner diameter of the seventh channel is smaller than that of the eighth channel, and the air pipe is communicated with the eighth channel.

By adopting the technical scheme, due to the existence of the seventh channel and the eighth channel, lower negative pressure can be formed at the joint of the seventh channel and the eighth channel, and the conveying efficiency of gas entering the eighth channel is further improved.

Preferably, the liquid inlet pipe is provided with a liquid regulating valve.

Through adopting above-mentioned technical scheme, through the liquid governing valve, the volume that the control car liquid got into the water pump, and then can control the concentration of foam to improve the device's suitability.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a sectional view for illustrating the first check valve.

Fig. 3 is a sectional view for illustrating a seventh passage and an eighth passage.

Description of reference numerals: 1. discharging a foam pipe; 11. a seventh channel; 12. an eighth channel; 13. a pressure switch; 2. a water inlet pipe; 21. a fifth channel; 22. a sixth channel; 23. a tenth channel; 3. a liquid inlet pipe; 31. a first check valve; 32. a valve body; 33. a spring; 34. a ball; 35. a liquid inlet channel; 36. a first liquid inlet channel; 37. a second liquid inlet channel; 38. a sealing gasket ring; 4. an air tube; 41. a second one-way valve; 5. a water pump; 6. a first connecting pipe; 61. a hole of abdication; 62. a first channel; 63. a second channel; 64. a third channel; 65. an eleventh channel; 66. a first nut; 7. a first seal ring; 71. a second seal ring; 8. a limiting ring; 81. a fourth channel; 82. a ninth channel; 83. a third seal ring; 84. a negative pressure chamber; 9. a liquid regulating valve; 10. a threaded pipe; 101. a second nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a foam production device. Referring to fig. 1 and 2, the device comprises a water inlet pipe 2, a water inlet pipe 3, a water pump 5, a foam outlet pipe 1 and an air pipe 4, in practical application, the foam outlet pipe 1 and the water inlet pipe 2 are respectively connected with two openings of the water pump 5, the water inlet pipe 2 is communicated with a water source, the water inlet pipe 3 is communicated with a vehicle washing liquid, the foam outlet pipe 1 is communicated with a foam gun for spraying foam, the air pipe 4 is communicated with an air source, in this embodiment, the water source includes but is not limited to a tap water pipe, the air source includes but is not limited to a compressed air machine, the foam gun is installed at an outlet end of the foam outlet pipe 1, when foam needs to be sprayed on an automobile shell, a worker operates the water pump 5 and then changes the working state of the foam gun, the water pump 5 mixes the vehicle washing liquid conveyed from the water inlet pipe 2 with the vehicle washing liquid conveyed from a liquid conveying pipe, and then changes the mixed liquid into foam under the action of the gas conveyed from the air pipe 4, finally, the foam is sprayed out from the muzzle of the foam gun, the device can produce foam at any time without storing a pressure container in advance, and the device occupies a small area and improves the space utilization rate; meanwhile, the device is better than a pressure container in safety, and further accidents can be reduced.

The water inlet pipe 2 is connected with the water pump 5 through the first connecting pipe 6, the water inlet pipe 2 is detachably connected to the first connecting pipe 6, one end of the first connecting pipe 6 is inserted into one end of the water inlet pipe 2, the other end of the first connecting pipe is connected with the water pump 5 through threads, a first nut 66 is integrally formed on the peripheral side wall of the first connecting pipe 6, and a user can rotate the first connecting pipe 6 through tools such as a wrench; in this embodiment, first connecting pipe 6 one end threaded connection is on an opening of water pump 5, and first connecting pipe 6 inlays and is equipped with first sealing ring 7, and first sealing ring 7 is located the one end that inlet tube 2 is close to water pump 5, and first sealing ring 7 contradicts on the inner wall of inlet tube 2 to isolated external air and dust, and then make inlet tube 2 inside keep an inclosed state.

First connecting pipe 6 is equipped with the hole 61 of stepping down that communicates with feed liquor pipe 3, and the one end that water pump 5 was kept away from to first connecting pipe 6 inlays and is equipped with second sealing ring 71, and second sealing ring 71 is contradicted in the inner wall of inlet tube 2 for water in the inlet tube 2 can not enter into first connecting pipe 6 from the hole 61 of stepping down through the clearance between first connecting pipe 6 and the inlet tube 2, has further improved sealed effect.

Meanwhile, a first check valve 31 which only allows gas to enter the first connecting pipe 6 is arranged in the liquid inlet pipe 3, in this embodiment, the first check valve 31 comprises a valve body 32, a spring 33 arranged in the valve body 32, and a ball 34, the valve body 32 is tubular, one end of the valve body 32 is connected to the water inlet pipe 2 in a threaded manner, the liquid inlet pipe 3 is fixedly connected to one end of the valve body 32 far away from the water inlet pipe 2, the valve body 32 is provided with a liquid inlet channel 35, the liquid inlet channel 35 comprises a first liquid inlet channel 36 and a second liquid inlet channel 37 which are mutually communicated, the first liquid inlet channel 36 is closer to the water inlet pipe 2 than the second liquid inlet channel 37, the first liquid inlet channel 36 is communicated with the water inlet pipe 2, meanwhile, the central axes of the first liquid inlet channel 36 and the second liquid inlet channel 37 are coincided, the inner diameter of the groove of the second liquid inlet pipe 3 is gradually reduced towards the direction far away from the water inlet pipe 2, the spring 33 and the ball 34 are both located in the first liquid inlet channel 36, and one end of the spring 33 is fixedly connected with one end of the first liquid inlet channel 36 close to the water inlet pipe 2, and the other end of the spring 33 is fixedly connected with the ball 34, and the ball 34 is abutted against the communication position of the first liquid inlet channel 36 and the second liquid inlet channel 37 under the elastic force action of the spring 33, so that when the device is not required to be operated, the car washing liquid cannot enter the first connecting pipe 6 through the liquid inlet pipe 3.

Only when the water pump 5 starts to operate, the water pump 5 sucks water, so that the water pressure in the water inlet pipe 2 is increased, and in combination with the Venturi principle, water flowing to the water pump 5 at a high speed generates suction force on the spherical ball 34, so that the spherical ball 34 drives the spring 33 to deform, and at the moment, car washing liquid enters the first connecting pipe 6 through a gap between the spherical ball 34 and the first liquid inlet channel 36 and then enters the water pump 5 together with the water in the water inlet pipe 2; in order to improve the sealing effect of the ball 34 on the first liquid inlet channel 36, a sealing gasket ring 38 is arranged at one end of the first liquid inlet channel 36 close to the second liquid inlet channel 37; according to actual need, install liquid control valve 9 on feed liquor pipe 3, and then adjust the concentration of foam, further improve the device's suitability.

In this embodiment, a first channel 62, a second channel 63, a third channel 64 and an eleventh channel 65 are sequentially communicated with each other in the first connecting pipe 6 along the water flow direction, the central axes of the first channel 62, the second channel 63, the third channel 64 and the eleventh channel 65 coincide, the first channel 62 is communicated with the water inlet pipe 2, the second channel 63 is gradually contracted along the water flow direction, the abdicating hole 61 is communicated with the first channel 62, the position of the abdicating hole 61 is close to the joint of the second channel 63 and the first channel 62, the third channel 64 is gradually expanded along the water flow direction, the eleventh channel 65 is gradually expanded along the water flow direction, the length of the third channel 64 is greater than that of the eleventh channel 65, a limiting ring 8 abutting against the inner wall of the first channel 62 is further arranged in the first connecting pipe 6, and a third sealing ring 83 abutting against the inner wall of the first channel 62 is embedded in the limiting ring 8, so as to prevent the water in the water inlet pipe 2 from entering the second channel 63 through the gap between the limiting ring 8 and the first channel 62; in the present embodiment, the stopper ring 8 has a fourth passage 81 and a ninth passage 82 that communicate in order in the water flow direction, the fourth passage 81 gradually contracts in the water flow direction, and the center axes of the fourth passage 81, the stopper ring 8, and the ninth passage 82 coincide.

A negative pressure cavity 84 is formed among the limiting ring 8, the first channel 62 and the second channel 63, the abdicating hole 61 is communicated with the negative pressure cavity 84, and according to the Venturi principle, the negative pressure cavity 84 further improves the suction force to the ball 34, so that the carwash can more easily enter the first connecting pipe 6; preferably, the water inlet pipe 2 has a fifth channel 21, a tenth channel 23 and a sixth channel 22 which are sequentially communicated along the water flow direction, the central axes of the fourth channel 81, the fifth channel 21, the tenth channel 23 and the sixth channel 22 are overlapped, the fifth channel 21 gradually shrinks along the water flow direction, and the inner diameter of the tenth channel 23 is smaller than the inner diameter of the sixth channel 22.

Referring to fig. 1 and 3, in this embodiment, the foam discharging pipe 1 is connected to the water pump 5 through a threaded pipe 10, one end of the threaded pipe 10 is connected to the water pump 5 through a thread, the other end of the threaded pipe is connected to the inner wall of the foam discharging pipe 1 through a thread, and a second nut 101 is integrally formed on the peripheral side wall of the threaded pipe 10, so that a user can conveniently rotate the threaded pipe 10 through a wrench or the like; the foam discharging pipe 1 is provided with a seventh channel 11 and an eighth channel 12 which are sequentially communicated along the water flow direction, the central axes of the seventh channel 11, the eighth channel 12 and the threaded pipe 10 are superposed, the seventh channel 11 is communicated with the threaded pipe 10, the inner diameter of the seventh channel 11 is smaller than the inner diameter of the eighth channel 12, so that the pressure at the joint of the seventh channel 11 and the eighth channel 12 is lower, the air pipe 4 is communicated with the eighth channel 12, and the air pipe 4 is provided with a second one-way valve 41 which only can allow air to enter the eighth channel 12, in the embodiment, the structure of the second one-way valve 41 is the same as that of the first one-way valve 31, the only difference is that the valve body 32 on the second one-way valve 41 is communicated with the eighth channel 12, according to the Venturi principle, when foam is sprayed on the automobile shell, the air can automatically enter the eighth channel 12 and further be mixed with the vehicle washing liquid after being mixed with water, foam is formed in the eighth passage 12 and is sprayed out by a foam gun; during manufacturing, according to actual needs, the check valve with other structure can be used as long as the purpose of one-way conveying can be achieved, so that the description in this embodiment is not over-mentioned.

In the actual operation process, the foam gun is not always in the spraying state, but when the foam gun is not in use and the water pump 5 is not turned off, the internal pressure of the device is overlarge due to the fact that the water pump 5 is always running, so that the foam discharging pipe 1 is provided with the pressure switch 13 electrically connected with the water pump 5, the sensing part of the pressure switch 13 is embedded in the foam discharging pipe 1 and can be in contact with the water flow in the seventh channel 11, when the pressure value in the seventh channel 11 reaches the preset value, the pressure switch 13 can control the water pump 5 to be turned off, the load of the water pump 5 is further reduced, the service life of the device is prolonged, and the applicability of the device is further improved.

The implementation principle of the foam production device in the embodiment of the application is as follows: when foam needs to be sprayed on the automobile shell, the water pump 5 is started, at the moment, water flows sequentially pass through the fifth channel 21, the tenth channel 23, the sixth channel 22, the first channel 62, the fourth channel 81 and the ninth channel 82, then the water is mixed with the car washing liquid input from the liquid inlet pipe 3 in the negative pressure cavity 84, and then the mixed liquid enters the water pump 5 along the first channel 62, the second channel 63, the third channel 64 and the eleventh channel 65, the water pump 5 fully mixes the car washing liquid and the water, then the mixed liquid sequentially passes through the seventh channel 11 and the eighth channel 12 and is sprayed out through a foam gun, foam can be produced at any time by the device, a pressure container does not need to be stored in advance, the space utilization rate is effectively improved, and the cost is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A foam production device is characterized in that: including go out foam pipe (1), inlet tube (2), the feed liquor pipe (3) that lets in the carwash of being used for connecting the foam rifle, with go out trachea (4) of foam pipe (1) intercommunication, and water pump (5), two openings of water pump (5) respectively with go out foam pipe (1) with inlet tube (2) intercommunication, feed liquor pipe (3) with inlet tube (2) intercommunication, be equipped with on feed liquor pipe (3) and can only supply the carwash to get into first check valve (31) in inlet tube (2), be equipped with on trachea (4) and can only supply gaseous entering go out second check valve (41) in foam pipe (1).

2. A foam production unit as claimed in claim 1, wherein: inlet tube (2) through first connecting pipe (6) with water pump (5) are connected, inlet tube (2) can dismantle connect in first connecting pipe (6), first connecting pipe (6) inlay be equipped with contradict in inlet tube (2) are close to first sealing ring (7) of the inner wall of the one end of water pump (5), keep away from first connecting pipe (6) the one end of water pump (5) inlay be equipped with contradict in second sealing ring (71) of inlet tube (2) inner wall, first connecting pipe (6) be equipped with the hole of stepping down (61) of feed liquor pipe (3) intercommunication.

3. A foam production unit as claimed in claim 2, wherein: have first passageway (62), second passageway (63), third passageway (64) that communicate in proper order in first connecting pipe (6), first passageway (62) with inlet tube (2) intercommunication, second passageway (63) shrink gradually along rivers direction and set up, hole of stepping down (61) with first passageway (62) intercommunication.

4. A foam production unit as claimed in claim 3, wherein: the third channel (64) is arranged in a gradually expanding way along the water flow direction.

5. A foam production unit as claimed in claim 4, wherein: just be close to in first passageway (62) the one end of second passageway (63) is equipped with spacing ring (8), the outer wall of spacing ring (8) contradict in first passageway (62) inner wall, hole of stepping down (61) are located spacing ring (8) with between second passageway (63).

6. A foam production unit as claimed in claim 5, wherein: the limiting ring (8) is provided with a fourth channel (81) which gradually shrinks along the water flow direction.

7. A foam production unit as claimed in claim 6, wherein: the inlet tube (2) has fifth passageway (21) and sixth passageway (22) that communicate in proper order, sixth passageway (22) with fourth passageway (81) intercommunication, fifth passageway (21) shrink gradually along the direction of rivers and set up.

8. A foam production unit as claimed in claim 1, wherein: the foam discharging pipe (1) is provided with a pressure switch (13) which is electrically connected with the water pump (5) and is in contact with water in the foam discharging pipe (1), and when the pressure value in the foam discharging pipe (1) reaches a preset value, the pressure switch (13) controls the water pump (5) to be closed.

9. A foam production unit as claimed in claim 1, wherein: the foam discharging pipe (1) is provided with a seventh channel (11) and an eighth channel (12) which are sequentially communicated, the seventh channel (11) is communicated with the water pump (5), the inner diameter of the seventh channel (11) is smaller than that of the eighth channel (12), and the air pipe (4) is communicated with the eighth channel (12).

10. A foam production unit as claimed in claim 1, wherein: and a liquid regulating valve (9) is arranged on the liquid inlet pipe (3).