CN220540424U - Exhaust valve and ice liner waterway structure comprising same - Google Patents

Abstract

The utility model discloses an exhaust valve and an ice liner waterway structure comprising the exhaust valve, comprising: the exhaust body is internally provided with an exhaust cavity, and the side wall of the exhaust body is provided with an air inlet and an air outlet which are communicated with the exhaust cavity; the exhaust floating body is arranged in the exhaust cavity, an exhaust channel is formed between the exhaust floating body and the exhaust cavity, the exhaust floating body comprises an exhaust state and a closed state, the air inlet is communicated with the air outlet through the exhaust channel when the exhaust state is achieved, and the air outlet is blocked by the upward floating of the exhaust floating body after the water is introduced into the air inlet, and the exhaust floating body is in the closed state. The exhaust valve can be automatically switched between the exhaust state and the closed state, and is not required to be controlled by other electrical elements, so that the structure is simple, the cost is low, and the control is more convenient.

Description

Exhaust valve and ice liner waterway structure comprising same

Technical Field

The utility model belongs to the technical field of water purifiers, and particularly relates to an exhaust valve and an ice liner waterway structure comprising the exhaust valve.

Background

Water dispensers currently on the market are typically configured with a refrigeration liner to prepare cold water through the refrigeration liner and supply the prepared cold water to a user through a water outlet end.

The patent with publication number CN114158939A discloses a water dispenser and a control method thereof, when the water dispenser operates in a water supplementing mode, a switch valve is opened, water for driving a water supply source is supplemented into a refrigeration liner from a water inlet of the refrigeration liner, water newly supplemented into the refrigeration liner gradually fills the refrigeration liner, the water quantity stored in the refrigeration liner is increased, the liquid level in the refrigeration liner is increased, air in the refrigeration liner is upwards extruded, the air extruded to the top of the refrigeration liner is discharged to an exhaust pipe from an exhaust hole, and then the air is sequentially discharged outwards through a rear water outlet section of a water outlet pipe, the switch valve and a water outlet hole of a water outlet end. The switch valve is an electromagnetic valve and is connected with a controller of the water dispenser.

The electromagnetic valve is controlled to exhaust and drain, so that the cost is high, and the control is troublesome.

Disclosure of Invention

The utility model aims to provide an exhaust valve and a cold water conveying structure of an ice container, wherein the exhaust valve can be automatically in an exhaust state or a closed state according to the water level in the ice container, and the structure is simple and the cost is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an exhaust valve, comprising:

the exhaust body is internally provided with an exhaust cavity, and the side wall of the exhaust body is provided with an air inlet and an air outlet which are communicated with the exhaust cavity;

the exhaust floating body is arranged in the exhaust cavity, an exhaust channel is formed between the exhaust floating body and the exhaust cavity, the exhaust floating body comprises an exhaust state and a closed state, the air inlet is communicated with the exhaust port through the exhaust channel in the exhaust state, and the exhaust floating body blocks the exhaust port in the closed state.

Further, the exhaust floating body comprises a first end and a second end, a sealing element is fixed on the inner wall of the exhaust cavity, the sealing element is arranged close to the exhaust port, the sealing element comprises a connecting portion and a sealing portion, the connecting portion is fixed in the exhaust cavity, a connecting hole is formed in the connecting portion, the sealing portion is arranged on one side of the connecting portion, which faces the exhaust floating body, a sealing ring groove is formed in the sealing portion, an arc-shaped outer wall matched with the shape of the sealing ring groove is arranged on the first end, when the exhaust floating body is in a closed state, the arc-shaped outer wall is attached to the sealing ring groove, and the connecting hole is blocked by the exhaust floating body.

Further, under the condition that the exhaust cavity is filled with water and the exhaust floating body is not subjected to the pressure of the water pushing pump, the exhaust floating body is in an exhaust state; under the condition that the exhaust cavity is filled with water and the exhaust floating body is under the pressure of the water pushing pump, the exhaust floating body is in a closed state.

Further, the buoyancy of the exhaust float is equal to the gravity of the exhaust float.

Further, the cross section of the air inlet is smaller than the end face of the exhaust floating body, which faces the air inlet.

Further, the exhaust body comprises an upper cover body and a lower seat body, the exhaust cavity is arranged in the lower seat body, one side of the lower seat body is opened by the exhaust cavity, and the upper cover body is fixed at the opening of the exhaust cavity.

Further, the junction of exhaust cavity and air inlet forms first connection inner wall, be fixed with fixed protruding on the first connection inner wall, the second end of exhaust body with when fixed protruding butt, form first passageway between first connection inner wall and the second end, form the second passageway between the outer wall of exhaust body and the exhaust cavity inner wall, the exhaust passageway comprises first passageway and second passageway.

Further, a guide rod is fixed on the exhaust floating body, the guide rod is inserted into the exhaust port, and a gap is reserved between the outer wall of the guide rod and the inner wall of the exhaust port.

Further, the exhaust valve also comprises a second high water level sensor, wherein the second high water level sensor comprises a second inductor and a second magnet, the second magnet is fixed on the exhaust floating body, and the second inductor is fixed on the outer wall of the exhaust valve.

The cold water conveying structure of the ice liner comprises the exhaust valve.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The air exhaust cavity is internally provided with water, the air exhaust floating body can not float upwards to block the air exhaust port, when water is injected into the ice container, the air can be sequentially discharged through the air inlet, the air exhaust cavity and the air exhaust port, but when the water in the ice container is filled, the air exhaust floating body can rise to block the air exhaust port, the ice container can not exhaust, water is continuously injected at the moment, the check valve is opened, the water in the ice container can be discharged through the water outlet of the ice container, water is discharged, the air exhaust valve can be automatically switched between an air exhaust state and a closed state without other electric appliance control, and the air exhaust valve has the advantages of simple structure, low cost and more convenient control;

(2) The arc-shaped outer wall is attached to the sealing ring groove, so that the contact area between the exhaust floating body and the sealing piece is increased, and the sealing effect is improved;

(3) The sealing part is made of elastic materials, the exhaust floating body floats upwards and then presses the sealing ring groove, the sealing ring groove deforms, the arc-shaped outer wall is tightly adhered to the sealing ring groove, and the sealing effect is better;

(4) Through setting up fixed arch, under the circumstances that does not have water in the exhaust cavity, the exhaust body can not block up the air inlet, can not influence ice courage normal exhaust.

Drawings

FIG. 1 is a schematic diagram of a cold water delivery structure of an ice liner of the present utility model;

FIG. 2 is a schematic view of the structure of the exhaust valve;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view (in the exhaust state) at A-A in FIG. 3;

FIG. 5 is a cross-sectional view (in the closed state) at A-A in FIG. 3;

FIG. 6 is an exploded view of FIG. 2;

fig. 7 is another structure of the exhaust valve.

In the figure: 1. an exhaust body; 2. a vent cavity; 3. an air inlet; 4. an exhaust port; 5. an exhaust float; 6. an exhaust passage; 7. a first end; 8. a second end; 9. a seal; 10. a connection part; 11. a sealing part; 12. a connection hole; 13. sealing ring grooves; 14. an arc-shaped outer wall; 15. an upper cover; 16. a lower base; 17. installing a ring groove; 18. a first connecting inner wall; 19. a fixing protrusion; 20. a first channel; 21. a second channel; 22. a guide rod; 23. a pure water kettle; 24. a pure water outlet; 25. a water pushing pump; 26. a pushing water inlet; 27. a pushing water outlet; 28. an ice liner; 29. a water inlet; 30. a water outlet; 31. an air outlet; 32. a water outlet nozzle; 33. a water outlet inlet; 34. a water outlet; 35. an external water level sensor; 36. a water level inlet; 37. a water level air inlet; 38. a non-return valve; 39. a second inductor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides an exhaust valve technical solution.

An exhaust valve, comprising:

the exhaust body 1, the exhaust body 1 is internally provided with an exhaust cavity 2, and the side wall of the exhaust body 1 is provided with an air inlet 3 and an air outlet 4 which are communicated with the exhaust cavity 2;

the exhaust floating body 5 is arranged in the exhaust cavity 2, an exhaust channel 6 is formed between the exhaust floating body 5 and the exhaust cavity 2, the exhaust floating body 5 comprises an exhaust state and a closed state, when the exhaust state is carried out, the air inlet 3 is communicated with the exhaust port 4 through the exhaust channel 6, and after the air inlet 3 is filled with water, the exhaust floating body 5 floats upwards to block the exhaust port 4, and the exhaust floating body 5 is in the closed state.

The air inlet 3 is connected with the air outlet 31 of the ice container 28, so that when the water in the ice container 28 is not full, no water exists in the air exhaust cavity 2, the air exhaust floating body 5 cannot float upwards to block the air exhaust port 4, and when water is injected into the ice container 28, air can be exhausted through the air inlet 3, the air exhaust cavity 2 and the air exhaust port 4 in sequence. However, when the water in the ice container 28 is filled, the pressure exists in the ice container 28, the water can enter the exhaust cavity 2, the exhaust floating body 5 can rise until the exhaust floating body 5 plugs the exhaust port 4, the ice container 28 can not exhaust, the water is continuously injected at the moment, the check valve is opened, the water in the ice container 28 can be discharged through the water outlet 30 of the ice container 28, and water outlet is completed. The exhaust valve can be automatically switched between the exhaust state and the closed state, and is not required to be controlled by other electrical elements, so that the structure is simple, the cost is low, and the control is more convenient.

The buoyancy of the exhaust float 5 is equal to the gravity of the exhaust float 5. The exhaust floating body 5 is in an exhaust state under the condition that the exhaust cavity 2 is filled with water and the exhaust floating body 5 is not subjected to the pressure of the water pushing pump; the exhaust floating body 5 is in a closed state under the condition that the exhaust cavity 2 is filled with water and the exhaust floating body 5 is under the pressure of the water pushing pump 25.

In order to increase the tightness between the exhaust float 5 and the exhaust port 4 in the closed state. The exhaust floating body 5 includes first end 7 and second end 8, the inner wall of exhaust cavity 2 is fixed with sealing member 9, sealing member 9 sets up and is being close to gas vent 4, sealing member 9 includes connecting portion 10 and sealing portion 11, connecting portion 10 are fixed in exhaust cavity 2, be equipped with connecting hole 12 on connecting portion 10, sealing portion 11 sets up in connecting portion 10 one side towards exhaust floating body 5, be equipped with seal ring groove 13 on sealing portion 11, be equipped with on the first end 7 with seal ring groove 13 shape adaptation's arc outer wall 14, when exhaust floating body 5 is in the closed state, arc outer wall 14 is laminated with seal ring groove 13, exhaust floating body 5 blocks up connecting hole 12. The arc-shaped outer wall 14 is attached to the sealing ring groove 13, so that the contact area between the exhaust floating body 5 and the sealing piece 9 is increased, and the sealing effect is improved.

Further, the sealing part 11 is made of elastic materials, so that the exhaust floating body 5 floats upwards and then presses the sealing ring groove 13, the sealing ring groove 13 deforms, the arc-shaped outer wall 14 is tightly attached to the sealing ring groove 13, and the sealing effect is better.

Further, the connecting portion 10 and the sealing portion 11 are integrally formed, and the connecting portion 10 and the sealing portion 11 are made of elastic materials, preferably rubber, so that the sealing member 9 is convenient to install.

The exhaust body 1 comprises an upper cover body 15 and a lower seat body 16, the exhaust cavity 2 is arranged in the lower seat body 16, one side of the lower seat body 16 is opened by the exhaust cavity 2, and the upper cover body 15 is fixed at the opening of the exhaust cavity 2.

The upper cover body 15 is provided with a mounting ring groove 17, the connecting part 10 is mounted in the mounting sliding groove, and the connecting part 10 is abutted with the end face of the opening of the exhaust cavity 2.

The junction of exhaust cavity 2 and air inlet 3 forms first connection inner wall 18, is fixed with fixed bulge 19 on the first connection inner wall 18, and when the second end 8 of exhaust body 5 and fixed bulge 19 butt, form first passageway 20 between first connection inner wall 18 and the second end 8, form second passageway 21 between the outer wall of exhaust body 5 and the inner wall of exhaust cavity 2 inner wall, exhaust passageway 6 comprises first passageway 20 and second passageway 21.

In the above manner, the air inlet 3 is not blocked by the air discharge floating body 5 under the condition that water is not in the air discharge cavity 2, and normal air discharge of the ice container 28 is not affected.

Further, a guide rod 22 is fixed on the exhaust floating body 5, the guide rod 22 is inserted into the exhaust port 4, and a gap is reserved between the outer wall of the guide rod 22 and the inner wall of the exhaust port 4. The guide rod 22 can play a role in guiding, so that the position of the exhaust floating body 5 is prevented from shifting in the floating process, and the exhaust port 4 cannot be blocked.

The section of the air inlet 3 is smaller than the end face of the exhaust floating body 5 facing the air inlet 3, so that the instantaneous pressure given by the water pushing pump 25 to the ice container 28 can better jack up the exhaust floating body 5.

As shown in fig. 7, the exhaust valve further includes a second high water level sensor for detecting whether water is present in the exhaust valve. In the following, a way of detecting is described, the second high water level sensor comprises a second sensor 39 and a second magnet (not shown in the drawing), the second magnet being fixed to the exhaust float 5, the second sensor 39 being fixed to the outer wall of the exhaust valve. When the exhaust floating body 5 floats upwards, the second sensor 39 can sense the second magnet on the exhaust floating body 5, and the floating of the exhaust floating body 5 indicates that the water in the ice container 28 is full, so that the water in the ice container 28 can be detected to be full, and a high water level signal is sent. Of course, photoelectric, capacitive or other modes can be used to detect the presence or absence of water.

The utility model also discloses an ice courage waterway structure, its characterized in that includes:

the exhaust valve;

the water supply device 23, the water supply device 23 is provided with a pure water outlet 24, and the water supply device 23 is provided as a pure water tank;

the water pushing pump 25, the water pushing pump 25 includes pushing water inlet 26 and pushing water outlet 27, pushing water inlet 26 connects with purified water outlet 24, water can only advance from pushing water inlet 26 and can't go out;

the ice container 28, the ice container 28 is provided with a water inlet 29, a water outlet 30, a water inlet 31 and a gas outlet 31, the water inlet 29 is connected with the pushing water outlet 27, and the gas outlet 31 is connected with the gas inlet 3;

a water outlet nozzle 32, wherein the water outlet nozzle 32 comprises a water outlet inlet 33 and a water outlet 34, and the water outlet 30 is connected with the water outlet inlet 33;

a check valve 38, the check valve 38 being disposed between the water outlet 30 and the water outlet inlet 33;

when the water pushing pump 25 is arranged in the ice container 28 and the pressure of the ice container 28 is applied, the exhaust floating body 5 is in a closed state, and the exhaust floating body 5 blocks the exhaust port 4;

when the pressure applied by the water pushing pump 25 to the ice container 28 is not applied to the ice container 28, the exhaust floating body 5 is in an exhaust state, and the exhaust floating body 5 does not block the exhaust port 4;

when the check valve 38 is opened by the pressure in the ice container 28, the exhaust float 5 is already in a closed state.

The exhaust valve can not only play a role in exhausting, but also can be matched with the check valve 38 to realize water outlet when cold water is required to be discharged, and can play a role in discharging the expansion water when the expansion water is generated by the ice container 28. When the expansion water is generated in the ice container 28, since the water pushing pump 25 does not push water into the ice container 28 at this time and the exhaust float 5 is not subjected to the pushing water pressure of the water pushing pump 25, the exhaust float 5 does not block the exhaust port 4, and the expansion water enters the exhaust chamber 2 of the exhaust valve, and then the expansion water is output from the exhaust port 4 to the external water level sensor 35, and the expansion water does not drip out from the water outlet nozzle 32.

The check valve 38 also has the function of water level balance, the check valve 38 is added to enable the air exhaust device of the ice container 28 to always contain water, the water level of the air exhaust device is higher than that of the water outlet nozzle 32, if the check valve 38 is not provided, the water can come out of the water outlet nozzle 32, and the check valve 38 has the function of achieving water level balance on two sides.

The water purifier also comprises an outer water level sensor 35, wherein the outer water level sensor 35 comprises a water level water inlet 36 and a water level air inlet 37, the water level water inlet 36 is connected with the pure water outlet 24, and the air outlet 4 is connected with the air inlet 37 of the water level sensor 35. The outer water level sensor 35 may receive the expansion water of the ice bank.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An exhaust valve, comprising:

the exhaust body is internally provided with an exhaust cavity, and the side wall of the exhaust body is provided with an air inlet and an air outlet which are communicated with the exhaust cavity;

the exhaust floating body is arranged in the exhaust cavity, an exhaust channel is formed between the exhaust floating body and the exhaust cavity, the exhaust floating body comprises an exhaust state and a closed state, the air inlet is communicated with the exhaust port through the exhaust channel in the exhaust state, and the exhaust floating body blocks the exhaust port in the closed state.

2. The exhaust valve according to claim 1, wherein the exhaust float comprises a first end and a second end, a sealing member is fixed on the inner wall of the exhaust cavity, the sealing member is arranged close to the exhaust port, the sealing member comprises a connecting portion and a sealing portion, the connecting portion is fixed in the exhaust cavity, a connecting hole is formed in the connecting portion, the sealing portion is arranged on one side of the connecting portion facing the exhaust float, a sealing ring groove is formed in the sealing portion, an arc-shaped outer wall matched with the shape of the sealing ring groove is arranged on the first end, when the exhaust float is in a closed state, the arc-shaped outer wall is attached to the sealing ring groove, and the connecting hole is blocked by the exhaust float.

3. The exhaust valve according to claim 1, wherein the exhaust float is in an exhaust state when the exhaust cavity is filled with water and the exhaust float is not under the pressure of the push water pump; under the condition that the exhaust cavity is filled with water and the exhaust floating body is under the pressure of the water pushing pump, the exhaust floating body is in a closed state.

4. The exhaust valve according to claim 1, wherein the buoyancy of said exhaust float is equal to the gravity of said exhaust float.

5. An exhaust valve according to claim 1, wherein the cross section of the inlet opening is smaller than the end face of the exhaust float facing the inlet opening.

6. The exhaust valve according to claim 2, wherein the exhaust body comprises an upper cover body and a lower seat body, the exhaust cavity is arranged in the lower seat body, the exhaust cavity is used for opening one side of the lower seat body, and the upper cover body is fixed at the opening of the exhaust cavity.

7. The exhaust valve according to claim 1, wherein a first connecting inner wall is formed at the connection position of the exhaust cavity and the air inlet, a fixing protrusion is fixed on the first connecting inner wall, a first channel is formed between the first connecting inner wall and the second end when the second end of the exhaust floating body is abutted to the fixing protrusion, a second channel is formed between the outer wall of the exhaust floating body and the inner wall of the exhaust cavity, and the exhaust channel is composed of the first channel and the second channel.

8. The exhaust valve according to claim 1, wherein the exhaust float is fixed with a guide rod, the guide rod is inserted into the exhaust port, and a gap is formed between the outer wall of the guide rod and the inner wall of the exhaust port.

9. The exhaust valve of claim 1, further comprising a second high water level sensor comprising a second sensor and a second magnet, the second magnet being secured to the exhaust float, the second sensor being secured to an outer wall of the exhaust valve.

10. An ice-bladder waterway structure comprising an exhaust valve according to any one of claims 1 to 9.