CN111820745A

CN111820745A - Universal scavenging cover

Info

Publication number: CN111820745A
Application number: CN201910720336.8A
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: 2020-10-27

Abstract

The invention discloses a universal ventilating cover which comprises a cover body, wherein an opening is formed in one end part of the cover body, a through hole is formed in the bottom of the opening, a non-return assembly is arranged in the through hole, at least two through second through holes are formed in the bottom of the opening, duckbill one-way valves are arranged in the second through holes, water in bottled water can be directly discharged through the through holes at the opening without accumulation, negative pressure is formed after water is discharged, air is sucked in through the second through holes by the negative pressure, the non-return assembly prevents the water from flowing backwards, the duckbill one-way valves can ensure that the air can only pass through in one direction, unstable ventilation caused by a spring structure is avoided, the requirement on assembly precision is greatly reduced, and the stability of air circulation can be ensured.

Description

Universal scavenging cover

Technical Field

The present invention relates to a water treatment apparatus; 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.

Disclosure of Invention

The invention aims to solve the technical problem of providing a universal ventilation cover which can not only be used as a conversion cover of a water dispenser by matching with most bottled water in the market, but also can not store water, reduce the possibility of generating bacteria and ensure the ventilation stability.

The invention provides a general ventilating cover with the following structure, which comprises a cover body, wherein an opening is formed in one end part of the cover body, a through hole is formed in the bottom of the opening, a check assembly is arranged in the through hole, at least two through second through holes are formed in the bottom of the opening, and duckbill check valves are arranged in the second through holes.

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

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

Preferably, the lower opening of the 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 adopting the structure, compared with the prior art, the universal ventilation cover has the following advantages: through directly setting up through-hole and second through-hole bottom the opening, can directly discharge the water in the bottled water at the opening 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, 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 diagram of a general ventilation cover structure of the invention.

Fig. 2 is a schematic diagram of a general ventilation cover structure of the 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 diagram of the universal ventilation cover structure of the invention.

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

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

FIG. 8 is a schematic view of the universal ventilation cover 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 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 is further described with reference to the following figures and specific examples.

Referring to fig. 1 to 9, the universal ventilation cover of the present invention includes a cover body 1, an opening 11 is formed at one end of the cover body 1, the bottom of the opening 11 is provided with a through hole 12, the through hole 12 is internally provided with a non-return component 2, the bottom of the opening 11 is provided with at least two through second through holes 13, the second through holes 13 are internally provided with duckbill one-way valves 3, through directly arranging a through hole 12 and the second through hole 13 at the bottom of the opening 11, namely, the water in the bottled water can be directly discharged from the opening 11 through the through hole 12 without accumulation and retention, negative pressure is formed after the water is discharged, the negative pressure sucks air through the second through hole 13, the non-return component 2 prevents the water from flowing backwards, and duckbill check valve 3 can guarantee that the air can only pass through along a direction, avoids because the unstable of taking a breath that the spring structure produced, and greatly reduced assembly accuracy requires, can guarantee the stability of circulation of air. 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 of cooperation in the through-hole, the silica gel breather valve include the cylinder and set up the sealing nozzle on the cylinder, the sealing nozzle include two at least sealing pieces of laminating each other, can be 2, 3 and 4, the homoenergetic reaches better sealed effect, perhaps, check subassembly 2 including the pressure valve 21 of taking of sealed cooperation in the through-hole, perhaps, check subassembly 2 include umbrella shape taking the preforming 22, umbrella shape taking the preforming 22 including the fixed column 221 and set up the umbrella shape cover plate 222 of flexibility on fixed column 221, flexible umbrella shape cover plate 222 and through-hole 12 under shed 11 sealed cooperation. The homoenergetic reaches the effect of non return, and the band pressure valve 21 can be to the check valve that the brand is the water branch science, and the model is DN8, for example the through-hole 12 under shed 11 intercommunication have a plurality of diversion holes, umbelliform cover plate 222 and a plurality of diversion hole sealing 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 to the sealed of diversion hole, make rivers only can be in diversion hole one-way passing through to it is fixed 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.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the 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 through hole (12).

3. The universal scavenging cover according to claim 1, 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 valve (21) which is in sealing fit with the 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 a flexible umbrella-shaped cover plate (222) arranged on the fixing column (221), and the flexible 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).