CN211883428U

CN211883428U - Universal scavenging cover

Info

Publication number: CN211883428U
Application number: CN201921265120.9U
Authority: CN
Inventors: 郑振伟
Original assignee: Ningbo Termite Network Technology Co ltd
Current assignee: Ningbo Termite Network Technology Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-11-10
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a general lid of taking a breath, which comprises a cover body, a lid tip be equipped with the opening, opening bottom be equipped with the through-hole, the through-hole in be equipped with the non return subassembly, opening bottom be equipped with two at least second through-holes that link up, the second through-hole in all be equipped with the duckbill check valve, through directly setting up through-hole and second through-hole in opening bottom, can directly discharge the water in the bottled water at the opening through the through-hole, and can not pile up and persist, form the negative pressure behind the drainage, the air is inhaled through the second through-hole to the negative pressure, the non return subassembly makes water can not flow backwards, and the duckbill check valve can guarantee that the air only can pass through along a direction, avoids because the unstable of taking a breath that spring structure produced, greatly reduced assembly required precision can guarantee the stability of circulation of air.

Description

Universal scavenging cover

Technical Field

The utility model relates to a water treatment device; in particular to a component of a bottled water drinking machine.

Background

At present, the water dispenser on the market is equipped with clever seat for adaptation bottled water is most, through clever seat cooperation most bottled water on the market, but clever seat content is easy water storage, produces the bacterium easily after the water storage time has been long, leads to the drinking water unhealthy, and the structure of taking a breath on the clever seat is spring structure mostly, requires highly to the assembly precision, and the product is difficult to guarantee the stability of taking a breath.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a general lid of taking a breath, can not only cooperate most bottled water to do the conversion lid of water dispenser on the market and use and can not the water storage, reduce the possibility that produces the bacterium to can guarantee the stability of taking a breath.

The technical solution of the utility model is that, a general lid of taking a breath with following structure is provided, which comprises a cover body, a lid tip be equipped with the opening, opening bottom be equipped with first through-hole, the through-hole in be equipped with the non return subassembly, opening bottom be equipped with two at least second through-holes that link up, the second through-hole in all be equipped with the duckbill check valve.

Preferably, the check assembly comprises a silicone scavenging valve which is in sealing fit with the first through hole.

Preferably, the silica gel ventilation valve comprises a column body and a sealing nozzle arranged on the column body, wherein the sealing nozzle comprises at least two sealing sheets which are mutually attached.

Preferably, the check assembly comprises a pressure-carrying valve which is in sealing fit with the first through hole.

Preferably, the non-return assembly comprises an umbrella-shaped belt pressing piece, the umbrella-shaped belt pressing piece comprises a fixing column and a flexible umbrella-shaped cover piece arranged on the fixing column, and the umbrella-shaped cover piece is in sealing fit with the lower opening of the first through hole.

Preferably, the lower opening of the first through hole is communicated with a plurality of water distribution holes, the umbrella-shaped cover plate is in sealing fit with the water distribution holes, and the umbrella-shaped cover plate further comprises a fixing hole matched with the fixing column.

Preferably, duckbilled check valve include annular main part and set up the duckbilled portion on annular main part upper portion, the duckbilled portion include along the left half and the right half that the axis cutting formed the laminating together, left half and right half all include bottom and the free end of being connected with annular main part.

Preferably, the left half part and the right half part are internally provided with cavities which become gradually smaller along the direction from the bottom end to the free end.

Preferably, the left half outer side wall and the right half outer side wall both comprise a pressure receiving surface which is gradually inclined towards the central axis along the direction from the bottom end to the free end.

Preferably, the lower part of the annular main body is provided with a convex ring embedded in the inner wall of the second through hole.

After the structure more than adopting, the utility model discloses a general lid of taking a breath compares with prior art, has following advantage: through directly setting up first through-hole and second through-hole bottom the opening, can directly discharge the water in the bottled water at the opening through the through-hole, and can not pile up and persist, form the negative pressure behind the discharge water, the air is inhaled through the second through-hole to the negative pressure, non return subassembly makes water can not flow backwards, and duckbill check valve can guarantee that the air can only pass through along a direction, avoid because the unstable of taking a breath that spring structure produced, greatly reduced assembles the required precision, can guarantee the stability of circulation of air.

Drawings

Fig. 1 is a schematic structural diagram of a universal ventilation cover of the present invention.

Fig. 2 is a schematic structural diagram of a universal ventilation cover of the present invention.

Fig. 3 is a schematic cross-sectional view taken along a-a in fig. 2.

Fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 2.

Fig. 5 is a schematic structural diagram of a universal ventilation cover of the present invention.

Fig. 6 is a schematic structural diagram of a universal ventilation cover of the present invention.

Fig. 7 is a schematic cross-sectional view taken along line C-C in fig. 6.

Fig. 8 is a schematic view of a general ventilation cover structure of the present invention

Fig. 9 is a schematic cross-sectional view taken along line D-D in fig. 8.

Shown in the figure: 1. a cover body; 11. an opening; 12. a first through hole; 13. a second through hole; 2. a check assembly; 21. a pressure valve; 22. pressing sheet of umbrella-shaped belt; 221. fixing a column; 222. an umbrella-shaped cover plate; 3. a duckbill check valve; 31. an annular body; 32. a duck bill part; 321. a left half part; 322. a right half portion; 33. a cavity; 34. a pressed surface; 35. a convex ring; 4. a silica gel scavenging valve; 41. a cylinder; 42. sealing the nozzle; 5. a main body.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 9, the universal ventilation cover of the present invention comprises a cover body 1, wherein an opening 11 is disposed at one end of the cover body 1, a first through hole 12 is disposed at the bottom of the opening 11, a non-return assembly 2 is disposed in the first through hole 12, at least two through holes 13 are disposed at the bottom of the opening 11, duckbill check valves 3 are disposed in the second through holes 13, the first through hole 12 and the second through hole 13 are directly disposed at the bottom of the opening 11, such that water in the bottled water can be directly discharged from the opening 11 through the first through hole 12 without accumulation and persistence, a negative pressure is formed after the water is discharged, the negative pressure sucks air through the second through hole 13, the non-return assembly 2 prevents the water from flowing backwards, and the duckbill check valves 3 can ensure that the air can only pass through one direction, thereby avoiding unstable ventilation due to the spring structure and greatly reducing the assembly precision requirement, the stability of the air circulation can be ensured. Set up two at least duckbill check valves 3 and can avoid the condition that single duckbill check valve 3 became invalid and can not admit air, greatly increased the stability of admitting air.

Check subassembly 2 including the sealed silica gel breather valve 4 that cooperates in first through-hole 12, the silica gel breather valve include the cylinder and set up the sealing mouth on the cylinder, the sealing mouth include at least two mutual sealing pieces of laminating, can be 2, 3 and 4, all can reach better sealed effect, perhaps, check subassembly 2 including the pressure valve 21 of taking of sealed cooperation in first through-hole 12, perhaps, check subassembly 2 include umbrella shape pressure piece 22, umbrella shape pressure piece 22 include fixed column 221 and set up flexible umbrella shape cover plate 222 on fixed column 221, flexible umbrella shape cover plate 222 and first through-hole 12 under shed 11 sealed cooperation. The homoenergetic reaches the effect of non return, and band pressure valve 21 can be to the check valve of check valve, for example the brand is the water branch science, and the model is DN8, first through-hole 12 under shed 11 intercommunication have a plurality of diversion holes, umbelliform cover plate 222 and a plurality of diversion hole seal fit, still include one with fixed column 221 complex fixed orifices, can guarantee the flow through setting up a plurality of diversion holes, and guarantee umbelliform cover plate 222 sealed to the diversion hole, make rivers only can pass through in diversion hole one-way to make umbelliform cover plate 222 fixed through fixed column 221 and fixed orifices, stable in structure, the installation of being convenient for.

Duckbill check valve 3 include annular main part 31 and set up the bill 32 on annular main part 31 upper portion, bill 32 include along the axis cutting form the laminating together half left part 321 and half right part 322, half left part 321 and half right part 322 all include bottom and the free end of being connected with annular main part 31, laminating that can be stable, and pressure is big more, sealing performance is better.

The diameter of duckbilled check valve 3 can be 2MM-8MM, 4MM in this embodiment, when setting up a plurality of duckbilled check valves 3, duckbilled check valve 3 can admit air simultaneously, guarantees whole air input, and 3 diameters of duckbilled check valve can set up lessly, reduce 3 production difficulty degrees of duckbilled check valve, guarantee the leakproofness that can be better, guarantee good yields, make duckbilled check valve 3's practicality higher, the production and processing of being convenient for.

The cavity 33 gradually becoming smaller along the direction from the bottom end to the free end is arranged inside the left half part 321 and the right half part 322, so that smooth ventilation can be ensured, and the other direction can be well sealed to prevent water from flowing out. The lateral walls of the left half portion 321 and the right half portion 322 respectively comprise a pressure receiving surface 34 which gradually inclines towards the central axis along the direction from the bottom end to the free end, pressure is further transmitted, and the larger the pressure is, the better the sealing performance is.

The lower part of the annular main body 31 is provided with a convex ring 35 embedded in the inner wall of the second through hole 13, so that stable fixation can be performed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A universal scavenging cover characterized by: including lid (1), a lid (1) tip be equipped with opening (11), opening (11) bottom be equipped with first through-hole (12), first through-hole (12) in be equipped with non return subassembly (2), opening (11) bottom be equipped with two at least second through-holes (13) that link up, second through-hole (13) in all be equipped with first duckbill check valve (3).

2. The universal scavenging cover according to claim 1, wherein: the check assembly (2) comprises a silica gel scavenging valve (4) which is in sealing fit with the first through hole (12).

3. The universal scavenging cover according to claim 2, wherein: the silica gel ventilation valve (4) comprises a cylinder (41) and a sealing nozzle (42) arranged on the cylinder (41), wherein the sealing nozzle (42) comprises at least two sealing sheets which are mutually attached.

4. The universal scavenging cover according to claim 1, wherein: the check assembly (2) comprises a pressure-bearing valve (21) which is in sealing fit with the first through hole (12).

5. The universal scavenging cover according to claim 1, wherein: the check assembly (2) comprises an umbrella-shaped belt pressing plate (22), the umbrella-shaped belt pressing plate (22) comprises a fixing column (221) and an umbrella-shaped cover plate (222) which is arranged on the fixing column (221) and is flexible, and the umbrella-shaped cover plate (222) is in sealing fit with the lower opening of the first through hole (12).

6. The universal scavenging cover according to claim 5, wherein: the lower opening of the first through hole (12) is communicated with a plurality of water distribution holes, the umbrella-shaped cover plate (222) is in sealing fit with the water distribution holes, and the umbrella-shaped cover plate further comprises a fixing hole matched with the fixing column (221).

7. The universal scavenging cover according to claim 1, wherein: first duckbilled check valve (3) include first annular main part (31) and set up first duckbilled portion (32) on first annular main part (31) upper portion, first duckbilled portion (32) include along the axis cutting form the laminating first left half (321) and first right half (322) together, first left half (321) and first right half (322) all include bottom and the free end of being connected with first annular main part (31).

8. The universal scavenging cover according to claim 7, wherein: the first left half part (321) and the first right half part (322) are internally provided with a first cavity (33) which is gradually reduced along the direction from the bottom end to the free end.

9. The universal scavenging cover according to claim 7, wherein: the outer side walls of the first left half part (321) and the first right half part (322) respectively comprise a first pressure receiving surface (34) which gradually inclines towards the central axis along the direction from the bottom end to the free end.

10. The universal scavenging cover according to claim 7, wherein: the lower part of the first annular main body (31) is provided with a first convex ring (35) embedded in the inner wall of the second through hole (13).