CN214130793U

CN214130793U - Filtering structure of water tank air pressure balance channel of water dispenser

Info

Publication number: CN214130793U
Application number: CN202022789096.8U
Authority: CN
Inventors: 金军; 方曙光; 胡孟溪; 徐洋; 戚海斌; 沈林; 郑丽燕; 杨旭冬
Original assignee: Ningbo Cixi Electrical Appliance Co ltd
Current assignee: Ningbo Cixi Electrical Appliance Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-07
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a filtration of water tank atmospheric pressure balanced passageway of water dispenser, including the water dispenser body and set up the water tank on the water dispenser body, be provided with the tank lid on the water tank, be provided with the atmospheric pressure balanced passageway between tank lid and the water tank, the water tank is covered and is provided with the filter chamber that is linked together with the water tank inner chamber, is provided with filter equipment in the filter chamber, and the filter chamber is linked together with the atmospheric pressure balanced passageway. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization adopts the mode that sets up the atmospheric pressure balance passageway between tank lid and water tank, can make the air in the external environment let in to the water tank in order to reach the purpose of the atmospheric pressure balance in the water tank, and the air that gets into in the water tank through the atmospheric pressure balance passageway enters into in the water tank after filtering through filter equipment, can play clean air, effectively restraines the effect that bacterial growing still has the effect of environmental protection.

Description

Filtering structure of water tank air pressure balance channel of water dispenser

Technical Field

The utility model relates to the technical field of water dispensers, in particular to a filtering structure of a water tank air pressure balance channel of a water dispenser.

Background

The water dispenser is a common electric appliance in modern life, no matter in family life or office life, the water dispenser can be equipped with for supplying water, the existing desk type water dispenser generally has a water dispenser body, a water tank is arranged on the water dispenser body, in order to add water into the water tank, a mode of arranging a water tank cover at a water tank opening is usually adopted, in order to balance air pressure inside and outside the water tank, in the prior art, a mode of arranging an air vent on the side wall of the water tank or the water tank cover is usually adopted, but in the using process, suspended dust in the external environment can be led into the water tank to cause pollution, in addition, the phenomenon of breeding bacteria is easily caused, the water dispenser is not suitable for being used in occasions with poor environment quality, and the use limitation is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water tank air pressure balance channel's of water dispenser filtration realizes dustless formula balance air pressure, has clean, environmental protection, inhibits bacterial growing's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a filtering structure of a water tank air pressure balance channel of a water dispenser comprises a water dispenser body and a water tank arranged on the water dispenser body, wherein a water tank cover is arranged on the water tank, the air pressure balance channel is arranged between the water tank cover and the water tank, a filtering cavity communicated with an inner cavity of the water tank is arranged on the water tank cover, a filtering device is arranged in the filtering cavity, and the filtering cavity is communicated with the air pressure balance channel.

Through adopting above-mentioned technical scheme, the air among the atmospheric pressure balance passageway can make the air in the external environment let in to the water tank in order to reach the balanced purpose of inside and outside atmospheric pressure of water tank, and the air that gets into in the water tank through the atmospheric pressure balance passageway is filtered in the back entering water tank through filter equipment, prevents that the water in the water tank from being polluted, so, can play clean air, effectively restrain the effect that bacterial growing still has the effect of environmental protection.

The present invention may be further configured in a preferred embodiment as: the filtering device comprises a filter screen, the water tank cover extends downwards to be provided with an installation sleeve, and the filter screen is in interference insertion fit with the installation sleeve.

The present invention may be further configured in a preferred embodiment as: the inner wall of the mounting sleeve is provided with a guide inclined plane.

Through adopting above-mentioned technical scheme, when the filter screen was installed in the installation and was sheathe in, under the guide effect on direction inclined plane, the filter screen of being convenient for was pegged graft and is makeed both interference fit connection in the installation cover, and the installation of filter screen is quick, convenient and firm.

The present invention may be further configured in a preferred embodiment as: lugs are symmetrically arranged on the filter screen.

Through adopting above-mentioned technical scheme, when the filter screen need be pulled down and wash, the setting convenient to use person of lug takes off it to the filter screen application of force.

The present invention may be further configured in a preferred embodiment as: the water tank is covered and is provided with the extension lug, and the embedded groove has been seted up to the case mouth of water tank, extends lug and embedded groove embedding cooperation, and the notch has been seted up to the extension lug, forms the atmospheric pressure balanced passageway between notch and the embedded groove.

Through adopting above-mentioned technical scheme, extend the lug and correspond and imbed in the embedded groove, can realize the quick location between tank lid and the water tank, in addition, because extend the lug and outwards extend protrudingly for the water tank, can be convenient for open the tank lid through extending the lug.

The present invention may be further configured in a preferred embodiment as: a sealing interference fit structure is arranged between the water tank cover and the water tank.

Through adopting above-mentioned technical scheme, when the water tank lid was installed in the water tank case mouth, through sealed interference fit structure seamless connection between the two, can prevent impurity such as dust to a certain extent from getting into in the water tank, on the other hand also can improve the stability of water tank lid when the installation, and the water tank lid after the installation is difficult for removing.

The present invention may be further configured in a preferred embodiment as: the sealing interference fit structure comprises a sealing ring, an extension sleeve is arranged on the inner wall of the water tank cover, a check ring is arranged on the outer wall of the extension sleeve, an embedding ring groove is formed among the check ring, the extension sleeve and the water tank cover, the sealing ring is embedded and fixed in the embedding ring groove, and the outer wall of the sealing ring is in interference fit with the inner wall of the water tank.

Through adopting above-mentioned technical scheme, when the water tank lid was installed on the water tank, the outer wall and the water tank inner wall of sealing washer closely laminated for great frictional force has between water tank lid and the water tank, has better dust seal effect on the one hand, and on the other hand makes and has better firm effect between water tank and the water tank lid, and the water tank lid is difficult for breaking away from the water tank.

The present invention may be further configured in a preferred embodiment as: the water dispenser body is provided with the top cap, and the top cap is provided with the grafting piece, and the lateral wall of water tank outwards extends and is provided with the extension piece, and the extension piece corresponds and has seted up the spliced eye, and the grafting piece is pegged graft with the spliced eye and is cooperated.

By adopting the technical scheme, when the water tank is arranged on the water dispenser body, the water tank can be arranged by aligning the plug-in hole with the plug-in block and plugging the plug-in block.

The present invention may be further configured in a preferred embodiment as: the water dispenser body is provided with a boss, the bottom of the water tank is correspondingly concave to form an inner groove, the boss is matched with the inner groove in an embedded mode, and a water inlet valve assembly is arranged between the bottom of the water tank and the boss.

By adopting the technical scheme, when the water tank is arranged on the water dispenser body, the water tank can be positioned by aligning the inner groove with the boss, and after the water tank is placed on the water dispenser body, the water inlet valve component can be opened, so that water in the water tank flows into the water dispenser body.

The present invention may be further configured in a preferred embodiment as: the bottom of the water tank is provided with a water outlet and a valve cavity, the water outlet is communicated with the valve cavity, the water inlet valve assembly comprises a valve core movably arranged at the water outlet, the valve core is provided with a valve rod, a return spring is sleeved on the valve rod, and the return spring enables the valve core to always have a movement trend of being in sealing fit with the water outlet; the boss is provided with a water inlet corresponding to the valve cavity, and a mandril is arranged at the water inlet and matched with the valve rod in a jacking way.

By adopting the technical scheme, when the water tank is placed on the water dispenser body, the ejector rod correspondingly extends into the valve cavity and pushes up the valve rod, the valve core is far away from the water outlet after the valve rod is pushed up, a water outlet gap is formed between the valve core and the water outlet gap, so that water in the water tank flows into the water dispenser body through the water inlet, and when the water tank is lifted away from the water dispenser body, the valve core is reset to be matched with the water outlet in a sealing mode again under the elastic action of the reset spring. Therefore, the on-off of the water flow is easy to control, the use is more convenient, and the water is not easy to seep.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the air pressure balancing passage is arranged between the water tank cover and the water tank is adopted, so that air in the external environment can be introduced into the water tank to achieve the purpose of air pressure balancing in the water tank, the air entering the water tank through the air pressure balancing passage enters the water tank after being filtered by the filtering device, the effects of cleaning air and effectively inhibiting bacteria from breeding can be achieved, and the environment-friendly effect is achieved;

2. by adopting the mode of arranging the sealing interference fit structure between the water tank cover and the water tank, on one hand, impurities such as dust and the like can be prevented from entering the water tank to a certain extent, and on the other hand, the stability of the water tank cover during installation can be improved;

3. the mode that the water inlet valve component is arranged between the bottom of the water tank and the water dispenser body is adopted, so that the on-off of water flow is easy to control, the use is more convenient, and water seepage is difficult.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is a schematic structural relationship diagram of the filter screen and the water tank cover in a separated state according to the embodiment.

Fig. 4 is a top view of the embodiment.

Fig. 5 is a sectional view of section a-a in fig. 4.

Fig. 6 is an enlarged view of the region B in fig. 5.

Reference numerals: 1. a water dispenser body; 11. a top cover; 111. a positioning groove; 112. an insertion block; 12. a boss; 13. a water inlet; 2. a water tank; 21. an extension block; 211. inserting holes; 22. an inner groove; 23. a groove is embedded; 24. a water outlet; 25. a valve cavity; 3. a water tank cover; 31. positioning the bump; 32. an extension bump; 321. a notch; 33. a filter chamber; 34. installing a sleeve; 341. a guide slope; 35. an extension sleeve; 351. a retainer ring; 36. embedding the ring groove; 4. an air pressure balance channel; 5. filtering with a screen; 51. connecting sleeves; 52. a lug; 6. a seal ring; 7. a valve core; 71. a valve stem; 8. a return spring; 9. and a push rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A filtering structure of a water tank air pressure balance channel of a water dispenser is shown in figure 1 and comprises a water dispenser body 1 and a water tank 2 arranged on the water dispenser body 1, wherein a water tank cover 3 is arranged on the water tank 2, a first positioning structure is arranged between the water tank cover 3 and the water dispenser body 1, and a second positioning structure and a sealing interference fit structure are arranged between the water tank cover 3 and the water tank 2.

As shown in fig. 2 and 5, the water dispenser body 1 is provided with a top cover 11, the edge of the top cover 11 is provided with a semicircular positioning groove 111, the bottom wall of the positioning groove 111 is provided with an insertion block 112, the side wall of the water tank 2 extends outwards to be provided with an extension block 21, the extension block 21 is correspondingly provided with an insertion hole 211, and the insertion block 112 is inserted into and matched with the insertion hole 211. The water dispenser body 1 is provided with a boss 12, the bottom of the water tank 2 is correspondingly concavely provided with an inner groove 22, and the boss 12 is embedded and matched with the inner groove 22. When the water tank 2 is mounted on the water dispenser body 1, the water tank 2 can be mounted by aligning the insertion hole 211 with the insertion block 112 and aligning the inner groove 22 with the boss 12.

As shown in fig. 2, the first positioning structure includes a positioning groove 111 disposed on the top cover 11 and a positioning protrusion 31 correspondingly disposed on the water tank cover 3, in other embodiments, the positioning groove 111 may also be disposed on the water tank cover 3, the positioning protrusion 31 is correspondingly disposed on the top cover 11, when the water tank cover 3 is mounted on the water tank 2, the positioning protrusion 31 is correspondingly embedded in the positioning groove 111, so as to achieve fast positioning between the water tank cover 3 and the water dispenser body 1, and prevent the water tank cover 3 from rotating or shifting. The water tank cover 3 is arranged at the opening of the water tank 2, and the water tank cover 3 and the water dispenser body 1 can be quickly arranged by quickly positioning the water tank cover 3 and the water dispenser body 1 through the first positioning structure.

As shown in fig. 2-5, the second positioning structure includes an embedded groove 23 and an extending protrusion 32, the extending protrusion 32 is correspondingly disposed at the rear end of the water tank cover 3, the extending protrusion 32 extends backward along the horizontal direction, the embedded groove 23 is correspondingly disposed at the tank opening of the water tank 2, the extending protrusion 32 is in embedded fit with the embedded groove 23, a notch 321 is disposed on the lower surface of the extending protrusion 32, an air pressure balance channel 4 is formed between the notch 321 and the embedded groove 23, the extending protrusion 32 is correspondingly embedded in the embedded groove 23, so that the quick positioning between the water tank cover 3 and the water tank 2 can be realized, in addition, the extending protrusion 32 protrudes outward relative to the water tank 2, and the water tank cover 3 can be conveniently opened by extending the extending protrusion 32.

As shown in fig. 2-5, a filtering chamber 33 communicated with an inner cavity of the water tank 2 is provided on the water tank cover 3, the filtering chamber 33 is communicated with the air pressure balance passage 4, a filtering device is provided in the filtering chamber 33, in this embodiment, the filtering device is a filter screen 5, the water tank cover 3 is provided with a mounting sleeve 34 extending downward, an inner wall of the mounting sleeve 34 is provided with a guiding inclined plane 341, the filter screen 5 is provided with a connecting sleeve 51, the connecting sleeve 51 of the filter screen 5 is in interference fit with the mounting sleeve 34, and lugs 52 are symmetrically provided on the filter screen 5.

When the filter screen 5 is installed on the installation sleeve 34, under the guiding action of the guiding inclined plane 341, the connection sleeve 51 of the filter screen 5 is conveniently inserted into the installation sleeve 34 so as to be in interference connection with the installation sleeve, and the installation of the filter screen 5 is fast, convenient and firm. The lugs 52 are provided to facilitate the removal of the filter screen 5 by a user applying force thereto when the filter screen 5 is to be removed for cleaning. The air pressure balance channel 4 can make the air in the external environment let in to 2 in order to reach the balanced purpose of the inside and outside atmospheric pressure of water tank 2, and the air that gets into 2 in the water tank through the air pressure balance channel 4 gets into 2 in the water tank 2 after filter through filter screen 5, prevents that the water in 2 water tanks from being polluted, so, can play clean air, effectively restrain the effect that bacterial growing still has the effect of environmental protection.

As shown in fig. 2 and 5, the sealing interference fit structure includes a sealing ring 6, an extension sleeve 35 is disposed on an inner wall of the water tank cover 3, a retaining ring 351 is disposed on an outer wall of the extension sleeve 35, an embedding ring groove 36 is formed among the retaining ring 351, the extension sleeve 35 and the water tank cover 3, the sealing ring 6 is embedded and fixed in the embedding ring groove 36, and an outer wall of the sealing ring 6 is in interference fit with an inner wall of the water tank 2.

When water tank lid 3 was installed on water tank 2, the outer wall of sealing

washer

6 and 2 inner walls of water tank closely laminated for have great frictional force between water tank lid 3 and the water tank 2, through 6 seamless connection of sealing washer between the two, can prevent to a certain extent impurity such as dust from getting into water tank 2, on the other hand also can improve the stability of water tank lid 3 when the installation, and water tank lid 3 after the installation is difficult for removing or breaks away from water tank 2.

As shown in fig. 6, a water inlet valve assembly is arranged between the bottom of the water tank 2 and the boss 12, the bottom of the water tank 2 is provided with a water outlet 24 and a valve cavity 25, the water outlet 24 is communicated with the valve cavity 25, the water inlet valve assembly comprises a valve core 7 movably arranged at the water outlet 24, the valve core 7 is coaxially arranged with a valve rod 71 in a downward direction, the valve rod 71 is sleeved with a return spring 8, one end of the return spring 8 is abutted against the valve core 7, the other end of the return spring 8 is abutted against the valve rod 71, and the return spring 8 enables the valve core 7 to always have a movement trend of moving downwards and being in sealing fit with the water outlet 24; the boss 12 is provided with a water inlet 13 corresponding to the valve cavity 25, a mandril 9 is arranged at the water inlet 13, and the mandril 9 is matched with the valve rod 71 in a jacking way.

When the water tank 2 is placed on the water dispenser body 1, the ejector rod 9 correspondingly extends into the valve cavity 25 and pushes up the valve rod 71, the valve core 7 is far away from the water outlet 24 after the valve rod 71 is pushed up, a water outlet gap is formed between the valve core and the water outlet 24, water in the water tank 2 flows into the water dispenser body 1 through the water inlet 13, and when the water tank 2 is lifted away from the water dispenser body 1, the valve core 7 is reset to be in sealing fit with the water outlet 24 again under the elastic force action of the reset spring 8. Therefore, the on-off of the water flow is easy to control, the use is more convenient, and the water is not easy to seep.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a filtration of water tank atmospheric pressure balanced passageway of water dispenser, including water dispenser body (1) and set up in water tank (2) on the water dispenser body (1), be provided with tank lid (3) on water tank (2), its characterized in that: the water tank is characterized in that an air pressure balance channel (4) is arranged between the water tank cover (3) and the water tank (2), a filter cavity (33) communicated with the inner cavity of the water tank (2) is arranged on the water tank cover (3), a filter device is arranged in the filter cavity (33), and the filter cavity (33) is communicated with the air pressure balance channel (4).

2. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 1, wherein: the filter device comprises a filter screen (5), wherein a mounting sleeve (34) is arranged on the water tank cover (3) in a downward extending mode, and the filter screen (5) is in interference insertion fit with the mounting sleeve (34).

3. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 2, wherein: the inner wall of the mounting sleeve (34) is provided with a guide inclined plane (341).

4. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 2, wherein: the filter screen (5) is symmetrically provided with lugs (52).

5. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 1, wherein: be provided with on water tank lid (3) and extend lug (32), embedded groove (23) have been seted up to the case mouth of water tank (2), extend lug (32) with embedded groove (23) embedding cooperation, extend lug (32) and seted up notch (321), notch (321) with form between embedded groove (23) atmospheric pressure balanced passageway (4).

6. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 1, wherein: and a sealing interference fit structure is arranged between the water tank cover (3) and the water tank (2).

7. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 6, wherein: sealed interference fit structure is including sealing washer (6), the inner wall of water tank lid (3) is provided with extends cover (35), the outer wall that extends cover (35) is provided with retaining ring (351), retaining ring (351) extend cover (35) and form embedding annular (36) between water tank lid (3), sealing washer (6) embedding is fixed in embedding annular (36), just the outer wall of sealing washer (6) with water tank (2) inner wall interference fit.

8. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 1, wherein: the water dispenser is characterized in that a top cover (11) is arranged on the water dispenser body (1), an inserting block (112) is arranged on the top cover (11), an extending block (21) is arranged on the side wall of the water tank (2) in an outward extending mode, an inserting hole (211) is correspondingly formed in the extending block (21), and the inserting block (112) is matched with the inserting hole (211) in an inserting mode.

9. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 1, wherein: the water dispenser is characterized in that a boss (12) is arranged on the water dispenser body (1), an inner groove (22) is formed in the bottom of the water tank (2) in a corresponding and concave mode, the boss (12) is matched with the inner groove (22) in an embedded mode, and a water inlet valve assembly is arranged between the bottom of the water tank (2) and the boss (12).

10. The filter structure of the air pressure balance channel of the water tank of the water dispenser as claimed in claim 9, wherein: a water outlet (24) and a valve cavity (25) are formed in the bottom of the water tank (2), the water outlet (24) is communicated with the valve cavity (25), the water inlet valve assembly comprises a valve core (7) movably arranged at the water outlet (24), the valve core (7) is provided with a valve rod (71), a return spring (8) is sleeved on the valve rod (71), and the return spring (8) enables the valve core (7) to have a motion trend of being in sealing fit with the water outlet (24) all the time; the water inlet (13) corresponding to the valve cavity (25) is formed in the boss (12), the ejector rod (9) is arranged at the water inlet (13), and the ejector rod (9) is matched with the valve rod (71) in a jacking mode.