CN211820788U - Vacuum valve - Google Patents
Vacuum valve Download PDFInfo
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- CN211820788U CN211820788U CN202020441432.7U CN202020441432U CN211820788U CN 211820788 U CN211820788 U CN 211820788U CN 202020441432 U CN202020441432 U CN 202020441432U CN 211820788 U CN211820788 U CN 211820788U
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- vacuum valve
- accommodating cavity
- plug
- base
- vacuum
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Abstract
The utility model provides a vacuum valve, including the base and with base complex upper cover. The base includes: the center of the chassis is provided with an air exhaust hole; the cylindrical valve body is coaxially connected to one side of the chassis and is provided with an inner concave cavity communicated with the air suction hole; the clamping part is arranged around the outer side of the valve body; and the bulge part is connected to one side of the chassis, which is far away from the valve body, at intervals in the circumferential direction. The upper cover includes: a circular truncated cone-shaped cover body; one end of the connecting strip is connected to the bottom end of the cover body; and the plug is connected to the other end of the connecting strip and matched with the first accommodating cavity. The cooperation of the upper cover and the base is adopted, and the sealing of the vacuum bag after vacuum pumping is realized through the cooperation of the plug and the air pumping hole with the first chamfer angle. The upper cover adopts the silica gel material, has further promoted vacuum valve's sealing performance. The utility model discloses structural design is ingenious, through the lock of upper cover and base, guarantees long-term locking effect, and the gas tightness is good.
Description
Technical Field
The utility model relates to a vacuum bag accessory technical field, more specifically the says so, relates to a vacuum valve.
Background
The vacuum bag is mainly used for preserving food, medicine, clothes and other articles, the sealing performance of the vacuum bag is extremely important in order to improve the preservation quality, the air valve device cannot be opened when the air in the vacuum bag is sucked and discharged, most of the air valve devices on the market are composed of a valve seat with an air hole, a valve cover and a sealing sheet, the structures can achieve self-locking by utilizing air pressure difference, the long-term locking effect cannot be guaranteed, the structure is complex, and the air tightness is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vacuum valve can effectively solve above-mentioned problem.
The utility model discloses a realize like this:
a vacuum valve, comprising:
a base, comprising:
the center of the chassis is provided with an air exhaust hole;
the cylindrical valve body is coaxially connected to one side of the chassis and is provided with an inner concave cavity communicated with the air suction hole;
the clamping part is arranged around the outer side of the valve body; and
the convex parts are circumferentially connected to one side of the base plate, which is far away from the valve body, at intervals;
with base complex upper cover, it includes:
round platform form lid, it includes: the first accommodating cavity is coaxially arranged at the top end of the cover body, and arc-shaped through holes are formed in the bottom end of the first accommodating cavity at intervals in the circumferential direction; the second accommodating cavity is coaxially arranged at the bottom end of the cover body; a hemispherical plug is arranged at the bottom end of the first accommodating cavity towards one side of the second accommodating cavity; the clamping strip is coaxially arranged at the bottom end of the second accommodating cavity;
one end of the connecting strip is connected to the bottom end of the cover body; and
the plug is connected to the other end of the connecting strip and matched with the first accommodating cavity.
As a further improvement, a third accommodating cavity is arranged on the plug head.
As a further improvement, one end of the air exhaust hole, which is close to the valve body, is provided with a first chamfer with an angle of 20-30 degrees.
As a further improvement, one end of the clamping part, which is far away from the chassis, is provided with a second chamfer.
As a further improvement, one end of the inner concave cavity, which is far away from the chassis, is provided with a concave platform.
As a further improvement, the second accommodating cavity is provided with a protruding strip around the first accommodating cavity.
As a further improvement, the number of the arc-shaped through holes is 3.
As a further improvement, the ratio of the height of the plug head to the height of the first accommodating cavity is 1: 1-2: 3.
As further improvement, the lid the connecting strip with chock plug integrated into one piece, the material is silica gel.
As a further improvement, the ratio of the outer diameter of the valve body to the diameter of the chassis is 3: 4-1: 2.
The utility model has the advantages that: the cooperation of the upper cover and the base is adopted, and the sealing of the vacuum bag after vacuum pumping is realized through the cooperation of the plug and the air pumping hole with the first chamfer angle. The upper cover adopts the silica gel material, has further promoted vacuum valve's sealing performance. The utility model discloses structural design is ingenious, through the lock of upper cover and base, guarantees long-term locking effect, and the gas tightness is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a cross-sectional view of a base and an upper cover of a vacuum valve provided by an embodiment of the present invention.
Fig. 2 is a schematic view of an assembly sequence of a vacuum bag according to an embodiment of the present invention.
Fig. 3 is a schematic view of a first viewing angle of the upper cover according to an embodiment of the present invention.
Fig. 4 is a schematic view of a second viewing angle of the upper cover according to the embodiment of the present invention.
Fig. 5 is a schematic view of a first viewing angle of a base according to an embodiment of the present invention.
Fig. 6 is a schematic view of a second perspective of the base according to the embodiment of the present invention.
In the figure: 1. the upper cover 11, the cover body 111, the first containing cavity 1111, the arc through hole 112, the second containing cavity 1121, the protruding strip 113, the plug 114, the clamping strip 12, the connecting strip 13, the plug 131, the third containing cavity 2, the base 21, the bottom plate 211, the air exhaust hole 2111, the first chamfer 22, the valve body 221, the inner cavity 2211, the concave platform 23, the clamping part 231, the second chamfer 24, the protruding part 3 and the bag body
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, a vacuum valve upper cover 1 includes: a circular truncated cone-shaped cover body 11; a connecting strip 12 having one end connected to the bottom end of the cover 11; and a stopper 13 connected to the other end of the connecting bar 12. The cover 11 includes: the first accommodating cavity 111 is coaxially arranged at the top end of the cover body 11, arc-shaped through holes 1111 are circumferentially arranged at intervals at the bottom end of the first accommodating cavity 111, and the first accommodating cavity 111 is matched with the plug 13; a second accommodating cavity 112 coaxially arranged at the bottom end of the cover body 11, wherein a hemispherical plug 113 is arranged at the bottom end of the first accommodating cavity 111 towards one side of the second accommodating cavity 112; and the clamping strip 114 is coaxially arranged at the bottom end of the second accommodating cavity 112.
The plug 13 is provided with a third accommodating cavity 131, so that the plug 13 can be better inserted into the first accommodating cavity 111. The second accommodating cavity 112 is provided with a protruding strip 1121 around the first accommodating cavity 111. The number of the arc-shaped through holes 1111 is 3.
The ratio of the height of the plug 13 to the height of the first accommodating cavity 111 is 1:1 to 2: 3. In this embodiment, the ratio of the height of the plug 13 to the height of the first accommodating cavity 111 is 4: 5.
The lid 11 the connecting strip 12 with chock plug 13 integrated into one piece, the material is silica gel, has further promoted vacuum valve's sealing performance.
Referring to fig. 5 to 6, a vacuum valve base 2 includes: a chassis 21 having a suction hole 211 formed at a central position thereof; a cylindrical valve body 22 coaxially connected to one side of the base plate 21 and provided with an inner concave cavity 221 communicated with the air suction hole 211; a clamping part 23 surrounding the outer side of the valve body 22; and the raised parts 24 are connected to one side of the bottom disc 21 far away from the valve body 22 at intervals in the circumferential direction. The side of the chassis 21 close to the bulge 24 is heat-sealed and assembled on the bag body 3.
One end of the air suction hole 211, which is close to the valve body 22, is provided with a first chamfer 2111 with an angle of 20-30 degrees. In this embodiment, the angle of the first chamfer 2111 is 26.5 °. The first chamfer 2111 is matched with the plug 113. Clamping portion 23 is kept away from chassis 21 one end is provided with second chamfer 231 for improve clamping portion 23 and joint strip 114's assembly efficiency. The end of the inner concave cavity 221 away from the bottom plate 21 is provided with a concave platform 2211, and the concave platform 2211 is matched with the convex strip 1121.
The ratio of the outer diameter of the valve body 22 to the diameter of the chassis 21 is 3: 4-1: 2. In this embodiment, the ratio of the outer diameter of the valve body 22 to the diameter of the bottom plate 21 is 11: 20. The chassis 21 is any one of a circle, a regular quadrangle, a regular hexagon and a regular octagon. In this embodiment, the bottom plate 21 is circular. The quantity of bellying 24 is 8, and the angle that adjacent bellying 24 formed is 45, and the vacuum machine is at the in-process to the 3 evacuation cavitations of the bag body, and the setting of bellying 24 makes near the opening part of the bag body 3, goes up the bag face and can not adsorb with lower bag face together, and then has promoted evacuation efficiency and evacuation effect.
The utility model provides a pair of vacuum valve's theory of operation does: set up one on the vacuum bag body 3 with vacuum valve base 2 complex opening, install vacuum valve base 2 heat seal vacuum bag body 3 is last, through the inside vacuum of evacuation hole 211 with the bag body 3 through the vacuum machine, later with vacuum valve upper cover 1 lock on base 2, namely, joint portion 23 and joint strip 114 accomplish the cooperation. The plug 113 plugs the air exhaust hole 211, and the arc through hole 1111 is configured to exhaust air extruded by the plug 113 from the air exhaust hole 211, so as to plug the plug 13 into the first accommodating cavity 111, thereby completing vacuum packaging of the vacuum bag.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vacuum valve, comprising:
a base, comprising:
the center of the chassis is provided with an air exhaust hole;
the cylindrical valve body is coaxially connected to one side of the chassis and is provided with an inner concave cavity communicated with the air suction hole;
the clamping part is arranged around the outer side of the valve body; and
the convex parts are circumferentially connected to one side of the base plate, which is far away from the valve body, at intervals;
with base complex upper cover, it includes:
round platform form lid, it includes: the first accommodating cavity is coaxially arranged at the top end of the cover body, and arc-shaped through holes are formed in the bottom end of the first accommodating cavity at intervals in the circumferential direction; the second accommodating cavity is coaxially arranged at the bottom end of the cover body; a hemispherical plug is arranged at the bottom end of the first accommodating cavity towards one side of the second accommodating cavity; the clamping strip is coaxially arranged at the bottom end of the second accommodating cavity;
one end of the connecting strip is connected to the bottom end of the cover body; and
the plug is connected to the other end of the connecting strip and matched with the first accommodating cavity.
2. The vacuum valve as claimed in claim 1, wherein the plug head is provided with a third receiving cavity.
3. The vacuum valve as claimed in claim 1, wherein the suction hole is provided with a first chamfer at an angle of 20 ° to 30 ° near an end of the valve body.
4. The vacuum valve as claimed in claim 1, wherein the end of the snap-in portion away from the bottom plate is provided with a second chamfer.
5. A vacuum valve according to claim 1, wherein the end of the cavity remote from the base plate is provided with a recess.
6. The vacuum valve as claimed in claim 1, wherein the second receiving chamber is surrounded by a protruding strip adjacent to the first receiving chamber.
7. The vacuum valve according to claim 1, wherein the number of the arc-shaped through holes is 3.
8. The vacuum valve as claimed in claim 1, wherein the ratio of the height of the plug head to the height of the first receiving cavity is 1:1 to 2: 3.
9. The vacuum valve according to claim 1, wherein the cover, the connecting strip and the plug are integrally formed and made of silicone.
10. The vacuum valve of claim 1, wherein the ratio of the outer diameter of the valve body to the diameter of the base plate is 3:4 to 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441432.7U CN211820788U (en) | 2020-03-31 | 2020-03-31 | Vacuum valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441432.7U CN211820788U (en) | 2020-03-31 | 2020-03-31 | Vacuum valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820788U true CN211820788U (en) | 2020-10-30 |
Family
ID=73149377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020441432.7U Active CN211820788U (en) | 2020-03-31 | 2020-03-31 | Vacuum valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820788U (en) |
-
2020
- 2020-03-31 CN CN202020441432.7U patent/CN211820788U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |