CN212606981U

CN212606981U - Vacuum air valve for vacuumizing bottle body

Info

Publication number: CN212606981U
Application number: CN202020656338.3U
Authority: CN
Inventors: 蒋先明
Original assignee: Hunan Tietiele Household Technology Co ltd
Current assignee: Hunan Tietiele Household Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-26
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a vacuum air valve for bottle evacuation, including the sealing plug that is arranged in packing into the bottle bottleneck and the air valve body that links to each other with the sealing plug, the sealing plug has sealed fitting surface, and air valve body has flexible sealing, and flexible sealing has the sealed face of annular laminating that is used for the sealed fitting surface of laminating, is equipped with more than one blow vent on the sealed face of annular laminating or the sealed fitting surface, and the sealing plug still is equipped with the passageway that switches on that is used for communicateing bottle inner chamber and more than one blow vent. The vacuum air valve has the advantages of simple and compact structure, easiness in manufacturing, low cost, simplicity and convenience in installation and use, good universality, high sealing stability and reliability, strong pressure-bearing capacity and the like.

Description

Vacuum air valve for vacuumizing bottle body

Technical Field

The utility model relates to a technical field is equipped in the evacuation, concretely relates to a vacuum air valve for bottle evacuation.

Background

The existing vacuum air valve for vacuumizing a sealed container is composed of a valve body and a hard air stopping sheet, the valve body is provided with an air outlet, the air stopping sheet is movably arranged on the valve body and can be opened and closed through movement, the air stopping sheet is sucked by an air pump during vacuumizing, the air outlet can be opened for vacuumizing, and the hard air stopping sheet is tightly pressed and attached to the valve body by utilizing atmospheric pressure after vacuumizing so as to seal the air outlet, so that the sealed container is kept in a vacuum state. After the vacuum air valve with the structure is vacuumized, the hard air stopping sheet is easy to loosen due to extrusion or vibration, air leakage occurs, the hard air stopping sheet is difficult to bear vacuum pressure lower than one atmosphere, and deformation and air leakage can occur to people who do not, so that the vacuum air valve cannot be used under the condition of high vacuum degree requirement. In addition, the existing vacuum air valve body, the air stop sheet and the assembly connection structure of the valve body and the air stop sheet are complex, and have the defects of complex structure, high manufacturing difficulty and high cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a simple structure compactness, easily preparation, with low costs, simple and convenient, the commonality good, the sealed reliable and stable nature is high, the bearing capacity is strong be used for the vacuum valve of bottle evacuation.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a vacuum gas valve for bottle evacuation, including be arranged in packing into the sealing plug in the bottle bottleneck and with the air valve body that the sealing plug links to each other, the sealing plug has sealed fitting surface, air valve body has flexible sealing, flexible sealing has and is used for the laminating sealed face of annular laminating of sealed fitting surface, be equipped with more than one blow vent on sealed face of annular laminating or the sealed fitting surface, the sealing plug still is equipped with and is used for communicateing bottle inner chamber and more than one the passageway that switches on of blow vent.

As a further improvement of the above technical solution:

the vent is a groove arranged on the annular attaching sealing surface.

The conduction channel comprises an annular air guide groove arranged on the sealing matching surface and more than one communication channel arranged on the sealing plug and used for communicating the annular air guide groove and the inner cavity of the bottle body, and each air vent is communicated with the annular air guide groove.

The sealing plug is provided with a positioning hole positioned on the sealing matching surface, and the air valve body is provided with an installation part used for being installed in the positioning hole.

The annular air guide groove is a step hole formed in the opening end of the positioning hole, the communicating channel comprises a communicating hole formed in the sealing plug and a communicating groove formed in the wall of the positioning hole, and the communicating groove is communicated with the communicating hole and the annular air guide groove.

The annular joint sealing surface is composed of a conical surface and an annular plane surrounding the periphery of the conical surface, and the conical surface is gradually close to the sealing matching surface along the direction from the mounting part to the annular plane.

The radial width L1 of the conical surface is L1, the radial width of the annular plane is L2, L1: the ratio of L2 ranges from 1: 1-4: 1.

the conical surface is connected with the peripheral outer surface of the installation part, and the air vents in the form of grooves radially extend outwards from the peripheral outer surface of the installation part.

The conducting channel comprises a plurality of communicating holes arranged on the sealing plug, and each vent hole is correspondingly communicated with one communicating hole.

And three air vents are arranged on the annular joint sealing surface and are uniformly arranged at intervals along the annular joint sealing surface.

The vent is a groove or an air hole arranged on the sealing matching surface, and the conduction channel is a groove or a communication hole arranged on the sealing plug.

The air valve body is an integrally formed flexible material piece.

The sealing plug is an integrally formed part.

The sealing plug comprises a main plug body and a positioning and sealing matching part, the main plug body is provided with a through hole, the positioning and sealing matching part is installed in the through hole, and the sealing matching surface and the conducting channel are arranged on the positioning and sealing matching part.

The air valve body is also provided with a control component for forcing the flexible sealing part to deform so as to separate the annular fit sealing surface from the sealing matching surface.

The control component is a pressing convex column connected to the middle position of the flexible sealing part.

The flexible sealing part is provided with an annular groove surrounding the pressing convex column.

The vacuum air valve further comprises an air exhaust sealing cover which is used for covering the outside of the air valve body and is in contact with the sealing matching surface to form a sealing cavity, the air exhaust sealing cover is provided with an air exhaust hole for exhausting air in the sealing cavity, and the air exhaust sealing cover is in contact with the pressing convex column when being in contact with the sealing matching surface to form the sealing cavity.

Compared with the prior art, the utility model has the advantages of:

the vacuum air valve for vacuumizing the bottle body can be used only by installing the sealing plug into the bottle mouth of the bottle body, can be suitable for any bottle body container which needs to be vacuumized, has the advantages of simple and convenient installation and use and good universality, can be automatically installed, does not need other complex equipment, and is very simple and convenient in production and use; meanwhile, the flexible sealing part is not easy to loosen under the compression effect of the atmospheric pressure after vacuumizing, the sealing stability and the reliability are high, the structure for sealing by attaching the flexible sealing part can bear larger vacuum pressure, and the requirement of high vacuum degree requirement can be met. The vacuum air valve also has the advantages of simple and compact structure, easy manufacture and low cost.

Drawings

Fig. 1 is a schematic perspective view of a vacuum gas valve in embodiment 1.

Fig. 2 is a schematic diagram of a disassembled three-dimensional structure of a first view angle of the vacuum valve in embodiment 1.

Fig. 3 is a schematic diagram of a disassembled three-dimensional structure of the vacuum valve at a second viewing angle in embodiment 1.

Fig. 4 is a schematic front view of the vacuum gas valve in embodiment 1.

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

Fig. 6 is a schematic sectional view showing the vacuum gas valve in embodiment 2.

Fig. 7 is a schematic sectional view of a valve body of the vacuum valve in embodiment 3.

Illustration of the drawings:

1. an air valve body; 11. a flexible sealing portion; 111. an annular fitting sealing surface; 112. an annular groove; 113. a conical surface; 114. an annular flat surface; 12. an installation part; 13. a control component; 2. a sealing plug; 201. a main plug body; 202. a locating and sealing engagement member; 21. sealing the mating surface; 211. an annular air guide groove; 22. conducting a channel; 23. positioning holes; 3. a vent; 4. an air-extracting sealing cover; 41. and (4) air exhaust holes.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

Example 1:

as shown in fig. 1 to 5, the vacuum gas valve for evacuating a bottle body in this embodiment includes a sealing plug 2 for being installed in a bottle mouth of the bottle body and a gas valve body 1 connected to the sealing plug 2, the sealing plug 2 has a sealing matching surface 21, the gas valve body 1 has a flexible sealing portion 11, the flexible sealing portion 11 has an annular fitting sealing surface 111 for fitting the sealing matching surface 21, the annular fitting sealing surface 111 is provided with more than one vent 3, and the sealing plug 2 is further provided with a conduction channel 22 for communicating an inner cavity of the bottle body with the more than one vent 3. When the sealed fitting surface 21 of annular laminating 111, seal blow vent 3, simultaneously, flexible sealing portion 11 is deformable so that sealed fitting surface 111 of annular laminating breaks away from sealed fitting surface 21, and then opens blow vent 3, makes the bottle inner chamber communicate with external environment through leading to passageway 22 and blow vent 3.

When the vacuum gas valve is used, the sealing plug 2 is arranged in the bottle opening of the bottle body, then the suction opening of the vacuumizing device covers the flexible sealing part 11 and abuts against the sealing matching surface 21 of the sealing plug 2 to vacuumize, so that the flexible sealing part 11 can be forced to deform, the annular attaching sealing surface 111 is separated from the sealing matching surface 21, the vent 3 is opened at the moment, the inner cavity of the bottle body is communicated with the suction opening of the vacuumizing device through the conducting channel 22 and the vent 3, and the vacuumizing device can pump out air in the inner cavity of the bottle body. After the vacuum pumping is finished, the vacuum pumping equipment is moved away, the atmospheric pressure can force the flexible sealing part 11 to tightly press the sealing matching surface 21, the annular laminating sealing surface 111 is tightly attached to the sealing matching surface 21, the vent 3 is sealed, air is prevented from entering the inner cavity of the bottle body, and the vacuum degree is ensured. When the vacuum state needs to be relieved, the flexible sealing part 11 is only required to be deformed, the annular fit sealing surface 111 is separated from the sealing matching surface 21, and the vent 3 is opened, so that the inner cavity of the container can be communicated with the external environment through the conduction channel 22 and the vent 3.

The vacuum air valve can be used only by installing the sealing plug 2 into the bottle mouth of the bottle body, can be suitable for any bottle body container needing vacuumizing, has the advantages of simple and convenient installation and use and good universality, can be automatically installed, does not need other complex equipment, and is very simple and convenient in production and use; meanwhile, after vacuumizing, the flexible sealing part 11 is not easy to loosen under the compression effect of the atmospheric pressure, the sealing stability and the reliability are high, and the structure for sealing by attaching the flexible sealing part 11 can bear larger vacuum pressure, so that the requirement on high vacuum degree can be met. The vacuum air valve also has the advantages of simple and compact structure, easy manufacture and low cost.

In this embodiment, the sealed face 111 of annular laminating is the annular plane, and vent 3 is for locating the recess on the sealed face 111 of annular laminating, and its preparation is simple and easy, and vent 3 adopts the recess form, not only does benefit to the evacuation, and does benefit to flexible sealing portion 11 after the evacuation is accomplished and is pressed down the sealed fitting surface 21 of laminating by atmospheric pressure is stable, the effective reliable gas leakage that prevents to become flexible. In another embodiment, the vent 3 may be a gas hole provided in the annular sealing surface 111, and the gas hole communicates with the communication passage 22 through a passage provided in the gas valve body 1.

In this embodiment, the conducting passage 22 includes an annular air guiding groove 211 disposed on the sealing matching surface 21 and one or more communicating passages disposed on the sealing plug 2 for communicating the annular air guiding groove 211 with the inner cavity of the bottle body, and each vent 3 is communicated with the annular air guiding groove 211. Adopt annular air guide groove 211 for vent 3 of recess form is more easy and annular air guide groove 211 intercommunication, does benefit to and guarantees smooth and easy evacuation, and does benefit to flexible sealing portion 11 after the evacuation and is pressed tightly the sealed fitting surface 21 of laminating by atmospheric pressure is stable, and effective reliable prevents not hard up gas leakage, can also reduce the preparation assembly degree of difficulty simultaneously. In other embodiments, the communication channel 22 may be only a communication hole formed inside the sealing plug 2, and the communication hole directly communicates with the bottle body cavity and the vent 3, which can further reduce the manufacturing difficulty.

In this embodiment, the sealing plug 2 is provided with a positioning hole 23 located on the sealing matching surface 21, and the air valve body 1 is provided with a mounting portion 12 for being fitted into the positioning hole 23. The mounting part 12 is arranged in the positioning hole 23 to position and connect the air valve body 1 on the sealing plug 2, the assembly is simple and convenient, and the plug-in type connecting structure is easy to manufacture and low in cost.

In this embodiment, the annular air guiding groove 211 is a stepped hole formed at the opening end of the positioning hole 23, the communicating channel includes a communicating hole formed in the sealing plug 2 and a communicating groove formed in the wall of the positioning hole 23, and the communicating groove communicates the communicating hole with the annular air guiding groove 211. During manufacturing, the opening end of the positioning hole 23 is directly provided with a step hole to form the annular air guide groove 211, and the communication groove forming the communication channel is also arranged on the wall of the positioning hole 23, so that the processing and manufacturing are easy, and the influence on the structural strength of the sealing plug 2 can be reduced.

In other embodiments, the conducting channel 22 may also be a plurality of communicating holes formed in the sealing plug 2, and each vent 3 is correspondingly communicated with one communicating hole, so that the sealing plug 2 has a simpler structural structure, is easier to manufacture, and has higher structural strength.

In this embodiment, three air vents 3 are provided on the annular fitting sealing surface 111, and the three air vents 3 are uniformly spaced along the annular fitting sealing surface 111. Set up three blow vent 3, do benefit to more smoothly, quick evacuation on the one hand, on the other hand does benefit to flexible sealing portion 11 after the evacuation and is pressed down the sealed fitting surface 21 of laminating by atmospheric pressure is balanced, stable, prevents not hard up gas leakage.

In this embodiment, the sealing plug 2 includes a main plug body 201 and a positioning and sealing fitting part 202, the main plug body 201 is provided with a through hole, the positioning and sealing fitting part 202 is installed in the through hole, and the sealing fitting surface 21 and the conduction passage 22 are provided on the positioning and sealing fitting part 202. The main plug body 201 and the positioning and sealing matching part 202 are manufactured separately, so that the manufacturing difficulty is reduced, and the main plug body 201 matched with different bottle bodies can be manufactured to be matched with the same positioning and sealing matching part 202 for use to vacuumize different bottle bodies.

In this embodiment, the valve body 1 is further provided with a control member 13 for forcing the flexible sealing portion 11 to deform to disengage the annular conforming sealing surface 111 from the sealing mating surface 21. The flexible sealing portion 11 is forced to deform by the control member 13, facilitating the release of the vacuum operation.

In this embodiment, the control component 13 is a pressing convex pillar connected to the middle position of the flexible sealing portion 11, the flexible sealing portion 11 can be forced to deform by directly pressing the pressing convex pillar, and the control component 13 adopts a pressing convex pillar form, so that the operation is easy and simple, and the manufacturing is convenient.

Preferably, the flexible sealing portion 11 is provided with an annular groove 112 surrounding the pressing boss, which is beneficial to the deformation of the flexible sealing portion 11 when the pressing boss is pressed, so that the annular attaching sealing surface 111 is separated from the sealing matching surface 21.

Further preferably, the pressing convex column and the mounting portion 12 are symmetrically disposed on two sides of the flexible sealing portion 11, and the area of the connection surface between the pressing convex column and the flexible sealing portion 11 is smaller than or equal to the area of the connection surface between the mounting portion 12 and the flexible sealing portion 11. Therefore, when the convex column is pressed, the middle part of the flexible sealing part 11 is forced to be sunken into the air outlet hole, and the annular attaching sealing surface 111 of the flexible sealing part 11 is separated from the sealing matching surface 21 better.

In other embodiments, the control part 13 may also be in the form of a pulling projection or the like.

In this embodiment, the vacuum air valve further includes an air-extracting sealing cover 4 covering the air valve body 1 and contacting with the sealing matching surface 21 to form a sealed cavity, the air-extracting sealing cover 4 has an air-extracting hole 41 for exhausting air in the sealed cavity, and the air-extracting sealing cover 4 contacts with the pressing convex column when contacting with the sealing matching surface 21 to form the sealed cavity. The air exhaust sealing cover 4 with the air exhaust hole 41 can reduce the shape requirement on the air exhaust opening of the vacuum pumping equipment, and the common air exhaust equipment can be adopted. Meanwhile, the air exhaust sealing cover 4 is contacted with the pressing convex column when being contacted with the sealing matching surface 21 to form a sealing cavity, and the air valve body 1 can be prevented from being extracted and separated from the sealing plug 2 in the air exhaust process.

In this embodiment, the air valve body 1 is an integrally formed flexible material, is convenient to manufacture, and is beneficial to reducing the cost. The flexible material piece can be made of flexible materials such as TPU.

In this embodiment, the vent 3 is disposed on the annular joint sealing surface 111, in other embodiments, the vent 3 may be disposed on the sealing matching surface 21, when the vent 3 is disposed on the sealing matching surface 21, the vent 3 may be a groove or an air hole disposed on the sealing matching surface 21, and the conducting channel 22 is a groove or a communicating hole disposed on the sealing plug 2.

Example 2:

the vacuum air valve for vacuumizing the bottle body in the embodiment is basically the same as that in the embodiment 1, and the main difference is that as shown in fig. 6, the sealing plug 2 in the embodiment is an integrated part, so that the manufacturing is convenient, the cost is reduced, and the sealing performance is good.

Example 3:

the vacuum valve for evacuating a bottle in this embodiment is substantially the same as that in embodiment 1, and mainly differs therefrom in that, as shown in fig. 7, the annular abutting sealing surface 111 in this embodiment is formed of a tapered surface 113 and an annular flat surface 114 surrounding the tapered surface 113, the tapered surface 113 gradually approaches the sealing engagement surface 21 in the direction from the mounting portion 12 to the annular flat surface 114, and the direction from the mounting portion 12 to the annular flat surface 114, that is, the radially outward direction. After the vacuum pumping is completed, the middle part of the flexible sealing part 11 is pressed, so that the flexible sealing part 11 can be easily forced to deform, and the annular plane 114 is tilted upwards, thereby easily releasing the vacuum state.

In this embodiment, the radial width of the tapered surface 113 is L1, the radial width of the annular flat surface 114 is L2, L1: the ratio of L2 ranges from 1: 1-4: 1. the size range not only has optimal sealing stability and reliability, but also can reduce the size and improve the structure compactness. Meanwhile, under the condition of achieving the effect, the annular plane 114 is enabled to be easily upwarped to release the vacuum state.

In this embodiment, the tapered surface 113 is connected to the peripheral outer surface of the mounting portion 12, and the vent 3 in the form of a groove extends radially outward from the peripheral outer surface of the mounting portion 12. The flexible sealing part 11 is not only beneficial to vacuumizing, but also beneficial to the pressing and jointing sealing matching surface 21 with stable atmospheric pressure after the vacuumizing is completed. Preferably, the radial length of the vent 3 in the form of a groove is less than or equal to the radial width of the conical surface 113.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. The utility model provides a vacuum air valve for bottle evacuation which characterized in that: including sealing plug (2) that are arranged in packing into bottle bottleneck and with air valve body (1) that sealing plug (2) link to each other, sealing plug (2) have sealed fitting surface (21), air valve body (1) have flexible sealing portion (11), flexible sealing portion (11) have and are used for the laminating sealed face (111) of annular laminating of sealed fitting surface (21), be equipped with more than one blow vent (3) on sealed face (111) of annular laminating or sealed fitting surface (21), sealing plug (2) still are equipped with and are used for communicateing bottle inner chamber and more than one blow vent (3) switch on passageway (22).

2. The vacuum gas valve as set forth in claim 1 wherein: the vent (3) is a groove arranged on the annular attaching sealing surface (111).

3. The vacuum gas valve as set forth in claim 2 wherein: the conducting channel (22) comprises an annular air guide groove (211) arranged on the sealing matching surface (21) and more than one communicating channel arranged on the sealing plug (2) and used for communicating the annular air guide groove (211) with the inner cavity of the bottle body, and each air vent (3) is communicated with the annular air guide groove (211).

4. The vacuum gas valve as set forth in claim 3 wherein: the sealing plug (2) is provided with a positioning hole (23) located on the sealing matching surface (21), and the air valve body (1) is provided with an installation part (12) used for being installed in the positioning hole (23).

5. The vacuum gas valve as set forth in claim 4 wherein: annular air guide groove (211) is the step hole of locating hole (23) open end, the intercommunication passageway is including locating the intercommunicating pore on sealing plug (2) and locating the intercommunication recess on locating hole (23) pore wall, the intercommunication recess intercommunication intercommunicating pore and annular air guide groove (211).

6. The vacuum gas valve as set forth in claim 4 wherein: the annular fitting sealing surface (111) is composed of a conical surface (113) and an annular plane (114) surrounding the periphery of the conical surface (113), and the conical surface (113) is gradually close to the sealing matching surface (21) along the direction from the mounting part (12) to the annular plane (114).

7. The vacuum gas valve as set forth in claim 6 wherein: the radial width of the conical surface (113) is L1, the radial width of the annular plane (114) is L2, L1: the ratio of L2 ranges from 1: 1-4: 1.

8. the vacuum gas valve as set forth in claim 7 wherein: the conical surface (113) is connected with the peripheral outer surface of the mounting part (12), and the vent holes (3) in a groove form radially extend outwards from the peripheral outer surface of the mounting part (12).

9. The vacuum gas valve as set forth in claim 2 wherein: the conducting channel (22) comprises a plurality of communicating holes arranged on the sealing plug (2), and each vent hole (3) is correspondingly communicated with one communicating hole.

10. The vacuum gas valve as set forth in claim 2 wherein: the annular fitting sealing surface (111) is provided with three air vents (3), and the three air vents (3) are uniformly arranged at intervals along the annular fitting sealing surface (111).

11. The vacuum gas valve as set forth in claim 1 wherein: the vent (3) is a groove or an air hole arranged on the sealing matching surface (21), and the conducting channel (22) is a groove or a communicating hole arranged on the sealing plug (2).

12. The vacuum gas valve as set forth in claim 1 wherein: the air valve body (1) is an integrally formed flexible material piece.

13. The vacuum gas valve as claimed in any one of claims 1 to 12, wherein: the sealing plug (2) is an integrated part.

14. The vacuum gas valve as claimed in any one of claims 1 to 12, wherein: the sealing plug (2) comprises a main plug body (201) and a positioning and sealing matching part (202), the main plug body (201) is provided with a through hole, the positioning and sealing matching part (202) is installed in the through hole, and the sealing matching surface (21) and the conducting channel (22) are arranged on the positioning and sealing matching part (202).

15. The vacuum gas valve as claimed in any one of claims 1 to 12, wherein: the air valve body (1) is also provided with a control component (13) for forcing the flexible sealing part (11) to deform so as to separate the annular joint sealing surface (111) from the sealing matching surface (21).

16. The vacuum gas valve as set forth in claim 15 wherein: the control component (13) is a pressing convex column connected to the middle position of the flexible sealing part (11).

17. The vacuum gas valve as set forth in claim 16 wherein: an annular groove (112) surrounding the pressing convex column is arranged on the flexible sealing part (11).

18. The vacuum gas valve as set forth in claim 16 wherein: the vacuum air valve further comprises an air exhaust sealing cover (4) which is used for covering the outside of the air valve body (1) and is in contact with the sealing matching surface (21) to form a sealing cavity, the air exhaust sealing cover (4) is provided with an air exhaust hole (41) used for exhausting air in the sealing cavity, and the air exhaust sealing cover (4) is in contact with the sealing matching surface (21) to form the sealing cavity and is in contact with the pressing convex column.