CN202089367U - Air valve for vacuum vessels - Google Patents
Air valve for vacuum vessels Download PDFInfo
- Publication number
- CN202089367U CN202089367U CN2011201582868U CN201120158286U CN202089367U CN 202089367 U CN202089367 U CN 202089367U CN 2011201582868 U CN2011201582868 U CN 2011201582868U CN 201120158286 U CN201120158286 U CN 201120158286U CN 202089367 U CN202089367 U CN 202089367U
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- China
- Prior art keywords
- ring
- ring wall
- lid
- air valve
- wall
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- Expired - Lifetime
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Abstract
The utility model provides an air valve for vacuum vessels. The air valve comprises a valve seat and a cover component, wherein a vent hole is formed on the valve seat in a penetrating-through manner, and a sealing valve piece used for covering the vent hole is arranged between the cover component and the valve seat; the cover component comprises a connecting seat which can be connected to the valve seat, and a cover body which can be hermetically buckled to the connecting seat, and the cover body is provided with a top wall and a side wall; the cover body comprises a first ring wall which forms a primary air seal, and a second ring wall which forms a secondary air seal, and a seal ring which forms a tertiary air seal is arranged between the side wall and the connecting seat; and the first ring wall and the second ring wall respectively extend downwards from the inner surface of the top wall, and the lower end part of the first ring wall and the lower end part of the second ring wall are respectively propped and pressed against the upper surface of the sealing valve piece. Through the triplex air seal system formed by the first ring wall, the second ring wall and the seal ring, the sealability of the air valve provided by the utility model is greatly reinforced, and the leak-proof and damp-proof effects are fully guaranteed.
Description
Technical field
The utility model relates to a kind of air valve that is used for such as vacuum collecting bag, moistureproof case equal vacuum container.
Background technology
At present, the vacuum collecting bag often is used to household articless such as the various clothings of vacuum storage, bed clothes, and moistureproof case often is used to stored food, electronics video and audio product and photographic goods etc.With the vacuum collecting bag is example, and its principle is to discharge the interior air of bag to form vacuum state by air valve, and article are isolated from the outside in the feasible bag, it is mouldy to prevent to make moist, and article are in compressed state in the back pkt. that deflates, and volume is greatly less, can conveniently store and carry.Yet existing on the market vacuum collecting bag is the phenomenon that leaks air of regular meeting in use for some time, and promptly outside air enters into vacuum collecting bag inside, have a strong impact on and take in effect, this mainly all be since the sealing effectiveness of air valve not good enough due to.
The utility model content
The purpose of this utility model is the defective at prior art, and a kind of air valve that is used for vacuum vessel of good sealing effect is provided.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme: design a kind of air valve that is used for vacuum vessel, comprise valve seat and cap assemblies, described valve seat has the deflation hole that passes its formation, has the sealing valve block that is used to cover described deflation hole between described cap assemblies and the valve seat; Described cap assemblies comprises the Connection Block and the salable lid that is fastened on this Connection Block that can be connected in described valve seat, and described lid has roof and sidewall; Described lid has first ring wall that constitutes the first heavy sealing gland and second ring wall that constitutes the second heavy sealing gland, is provided with the seal ring that constitutes triple sealing glands between described sidewall and the described Connection Block; Described first ring wall and second ring wall protrude out downwards from the inside face of described roof respectively, and when described lid was fastened on described Connection Block, the bottom of described first ring wall and second ring wall pressed on the upper surface of described sealing valve block respectively.
Preferably, described first ring wall and second ring wall are concentric circles, and the diameter of described second ring wall is greater than the diameter of first ring wall; The bottom of described first ring wall is flat anchor ring, and the bottom of described second ring wall is the circular fin of point.When described anchor ring and circular fin down the time, described circular fin is lower than described anchor ring.Like this, when lid was fastened on the Connection Block, the circular fin of the anchor ring of first ring wall and second ring wall pressed on the upper surface of sealing valve block respectively, and circular fin presses deeplyer than anchor ring, better tightness.
Preferably, be provided with elastic lock between the sidewall of described lid and the described Connection Block, the roof inside face of this lid is provided with the elasticity lock ring of diameter greater than described first ring wall and the second ring wall diameter, the bottom of this elasticity lock ring has the clasp that can fasten with the ring-type muscle on the described Connection Block, and the lower surface of described clasp is higher than the bottom of described first ring wall and second ring wall; Have on the described ring-type muscle and be used to first guide surface that guides described clasp to engage with the ring-type muscle, described clasp has second guide surface that cooperates with described first guide surface, and first guide surface and second guide surface are the inclined-plane of inclination angle basically identical.Preferably, described elasticity lock ring is made up of the multi-section circular arc wall of mutual partition.Described Connection Block is provided with the annular wall that cooperates with vacuum extractor.For the ease of opening elastic lock, described lid is provided with the spanner portion that is positioned at the elastic lock top, and this spanner portion is formed on the described sidewall projectedly, and the surface of this spanner portion has anti-skidding striped.Preferably, the roof of described lid is dome-shaped, to increase resistance to deformation intensity.
Preferably, be connected by soft hinge between described lid and the Connection Block.
Preferably, be separable clamping between described Connection Block and the described valve seat.
Preferably, the bottom of described valve seat is provided with the drainage plate that polylith is parallel to each other, and has the gas guide groove that is communicated in described deflation hole between the adjacent drainage plate.
Preferably, the end face of described valve seat is provided with super sonic/high frequency bonding wire.
Air valve of the present utility model constitutes triple gas sealing systems by first ring wall, second ring wall and seal ring, has greatly strengthened sealing property, has fully guaranteed leakproof and moisture effect.Elastic lock and elasticity lock ring constitute the dual system that links closely, and can strengthen locking effect but do not influence pulling open of lid, have guaranteed the locating effect of lid on Connection Block, and can effectively prevent influences sealing property because of the displacement of lid.
Description of drawings
Fig. 1 is a structural representation of having used the vacuum bag of a kind of air valve of the utility model.
Fig. 2 is the lid buckling state scheme drawing of the air valve among Fig. 1.
Fig. 3 is the lid open mode scheme drawing of air valve shown in Figure 2.
Fig. 4 is the parts explosion of air valve shown in Figure 2.
Fig. 5 is the front plan view of air valve shown in Figure 2.
Fig. 6 is the upward view of air valve shown in Figure 2.
Fig. 7 is the side plan view of air valve shown in Figure 2.
Fig. 8 is the A-A cutaway view of Fig. 5.
Fig. 9 is the B partial enlarged drawing of Fig. 8.
The specific embodiment
Figure 1 shows that the vacuum bag 10 of having used a kind of air valve of the present utility model, the structure and the conventional vacuum bag of this vacuum bag are basic identical, comprise bag 20 that is rectangle and the air valve 30 that is arranged on the bag 20.One end of bag 20 is provided with the sack 50 of band sealing band 40, and contents such as clothing, bed clothes can be put into bag inside by this sack 50, come sack 50 is sealed by pinch-off seal bar 40 then.Certainly, be not limited to seal with sealing band, other is any can realize repeating to open and seal and can satisfy the sealing means that air-tightness requires and all can herein.
Extremely shown in Figure 9 as Fig. 2, air valve 30 comprises valve seat 1 and cap assemblies 2, described valve seat 1 has the deflation hole 11 that passes its formation, has the sealing valve block 3 that is used to cover deflation hole 11 between described cap assemblies 2 and the valve seat 1, sealing valve block 3 is only opened when vacuumizing, then under the gas pressure of outside air, automatically deflation hole 11 is sealed at ordinary times, detained back lid to prevent from also not have enough time flow backwards back phenomenon in the bag 20 of air takes place during this period of time vacuumizing firm end.One end of sealing valve block 3 cooperates realization to locate by two knock holees 31 with registration mast 15 on the valve seat 1, and will seal this end that valve block 3 is provided with knock hole 31 by the fixed leg on the cap assemblies 2 24 and compress, in pumping process, be inhaled in the vacuum extractor to prevent seal valve sheet 3.Valve seat 1 has the connecting portion 14 that passes bag 20, except this connecting portion 14, the remainder of valve seat 1 all is positioned at the inboard of bag 20, end face 16 around the connecting portion 14 is provided with super sonic/high frequency bonding wire 161, handle so that more effectively carry out welded seal, in case locate here to leak gas with the inboard of bag 20.Certainly, can also adopt alternate manner to carry out encapsulation process herein, for example bonding etc., as long as can satisfy bubble-tight requirement.The bottom of valve seat 1 is provided with the drainage plate 12 that polylith is parallel to each other, and has horizontal gas guide groove 131 and many vertical gas guide grooves 132 that are parallel to each other of being communicated in deflation hole 11 between the adjacent drainage plate 12.Middle two the longest drainage plates 12 are respectively equipped with connected entrance 121 in the position that is positioned at deflation hole 11, so that two sections grooves about horizontal gas guide groove 131 are communicated with.The said structure of valve seat 1 bottom can prevent that collecting articles such as clothing, bed clothes from stopping up deflation hole 11 and influencing the effect that vacuumizes.
Described cap assemblies 2 comprises the Connection Block 21 and the salable lid 22 that is fastened on this Connection Block 21 that can be connected in valve seat 1, is separable clamping between Connection Block 21 and the valve seat 1, makes cap assemblies 2 clean easily or replacing.Be called " plastic hinge " again by soft hinge 23(between this lid 22 and the Connection Block 21) link together, make cap assemblies 2 form an integral body, can prevent the loss of lid 22.
This lid 22 has roof 221 and sidewall 222, and this roof 221 is dome-shaped, to increase resistance to deformation intensity.The inside face of this roof 221 has first ring wall 223 that constitutes the first heavy sealing gland and second ring wall 224 that constitutes the second heavy sealing gland, is provided with " O " RunddichtringO 4 that constitutes triple sealing glands between sidewall 222 and the Connection Block 21.
Described first ring wall 223 and second ring wall 224 protrude out downwards from the inside face of roof 221 respectively, and first ring wall 223 and second ring wall 224 are concentric circles, and the diameter of second ring wall 224 is greater than the diameter of first ring wall 223.The bottom of first ring wall 223 is that the bottom of flat anchor ring 2231, the second ring walls 224 is the circular fin 2241 of point, and when anchor ring 2231 and circular fin 2241 down the time, circular fin 2241 is lower than anchor ring 2231.When lid 22 is fastened on the Connection Block 21, the circular fin 2241 of the anchor ring 2231 of first ring wall 223 and second ring wall 224 presses on the upper surface of sealing valve block 3 respectively, anchor ring 2231 contacts with sealing valve block 3 upper surface formation faces, circular fin 2241 forms line with sealing valve block 3 upper surfaces and contacts, and circular fin 2241 is pressed deeplyer than anchor ring 2231, better tightness.
Be provided with elastic lock 24 between the sidewall 222 of described lid 22 and the described Connection Block 21, this elastic lock 24 comprises locking plate 225 that is formed on the sidewall 222 and the projection 211 that is formed on the Connection Block 21, the opposite side relative that locking plate 225 is positioned at sidewall 222 with soft hinge 23, the position of projection 211 is corresponding with locking plate 225, has on the locking plate 225 and projection 211 lockholes that cooperate 227.When lid was fastened on the Connection Block 21, projection 211 just in time snapped in the lockhole 227 of locking plate 225.For the ease of opening elastic lock 24, lid 22 is provided with the spanner portion 228 that is positioned at elastic lock 24 tops, and this spanner portion 228 is formed on the sidewall 222 projectedly, and the surface of this spanner portion 228 has anti-skidding striped 2281.
Except first heavily linking closely the system that above-mentioned elastic lock 24 constitutes, roof 221 inside faces of lid 22 also are provided with the elasticity lock ring 226 of diameter greater than second ring wall, 224 diameters, this elasticity lock ring 226 is made up of the multi-section circular arc wall 2261 of mutual partition, to strengthen its elasticity.The bottom of elasticity lock ring 226 has the clasp 2262 that can fasten with the ring-type muscle 212 on the Connection Block 21, and the lower surface of clasp 2262 is higher than the anchor ring 2231 of first ring wall, 223 bottoms and the circular fin 2241 of second ring wall, 224 bottoms.The middle part of the upper surface of Connection Block 21 is provided with the annular wall 213 that cooperates with vacuum extractor (for example dust collecting fan or manually pump bowl).Have on the ring-type muscle 212 and be used to first guide surface 2121 that guides clasp 2262 to engage with ring-type muscle 212, then having second guide surface, 2263, the first guide surfaces 2121 and second guide surface 2263 that cooperate with first guide surface 2121 on clasp 2262 is the inclined-plane of inclination angle basically identical.
During use, at first open the sealing band 40 of vacuum bag 10, pack contents into bag 20 from sack 50 in, then with sealing band 40 with sack 50 sealing; Behind the good seal, open the lid 22 on the air valve 30, cooperate with annular wall 213 on the Connection Block 21, the gases in the bag 20 are extracted out, make its inner vacuum that forms with manual pump bowl or dust collecting fan.Bleed finish after, be anchored to again on the Connection Block 21 with lid 22, with air valve 30 sealing locking, at last vacuum bag 10 and interior contents thereof are put into wardrobe etc. and are stored.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from inventive concept of the present utility model; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. an air valve that is used for vacuum vessel comprises
Valve seat and cap assemblies, described valve seat has the deflation hole that passes its formation, has the sealing valve block that is used to cover described deflation hole between described cap assemblies and the valve seat;
Described cap assemblies comprises the Connection Block and the salable lid that is fastened on this Connection Block that can be connected in described valve seat, and described lid has roof and sidewall; It is characterized in that:
Described lid has first ring wall that constitutes the first heavy sealing gland and second ring wall that constitutes the second heavy sealing gland, is provided with the seal ring that constitutes triple sealing glands between described sidewall and the described Connection Block;
Described first ring wall and second ring wall protrude out downwards from the inside face of described roof respectively, and when described lid was fastened on described Connection Block, the bottom of described first ring wall and second ring wall pressed on the upper surface of described sealing valve block respectively.
2. air valve according to claim 1 is characterized in that: described first ring wall and second ring wall are concentric circles, and the diameter of described second ring wall is greater than the diameter of first ring wall; The bottom of described first ring wall is flat anchor ring, and the bottom of described second ring wall is the circular fin of point; When described anchor ring and circular fin down the time, described circular fin is lower than described anchor ring.
3. air valve according to claim 1 and 2, it is characterized in that: be provided with elastic lock between the sidewall of described lid and the described Connection Block, the roof inside face of this lid is provided with the elasticity lock ring of diameter greater than described first ring wall and the second ring wall diameter, the bottom of this elasticity lock ring has the clasp that can fasten with the ring-type muscle on the described Connection Block, and the lower surface of described clasp is higher than the bottom of described first ring wall and second ring wall; Have on the described ring-type muscle and be used to first guide surface that guides described clasp to engage with the ring-type muscle, described clasp has second guide surface that cooperates with described first guide surface, and first guide surface and second guide surface are the inclined-plane of inclination angle basically identical.
4. air valve according to claim 3 is characterized in that: described elasticity lock ring is made up of the multi-section circular arc wall of mutual partition.
5. air valve according to claim 3 is characterized in that: described lid is provided with the spanner portion that is positioned at described elastic lock top, and this spanner portion is formed on the described sidewall projectedly, and the surface of this spanner portion has anti-skidding striped.
6. according to claim 1 or 2 described air valves, it is characterized in that: the roof of described lid is dome-shaped.
7. air valve according to claim 1 and 2 is characterized in that: be connected by soft hinge between described lid and the Connection Block.
8. air valve according to claim 1 and 2 is characterized in that: be separable clamping between described Connection Block and the described valve seat.
9. air valve according to claim 1 and 2 is characterized in that: the bottom of described valve seat is provided with the drainage plate that polylith is parallel to each other, and has the gas guide groove that is communicated in described deflation hole between the adjacent drainage plate.
10. air valve according to claim 1 and 2 is characterized in that: the end face of described valve seat is provided with super sonic/high frequency bonding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201582868U CN202089367U (en) | 2011-05-18 | 2011-05-18 | Air valve for vacuum vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201582868U CN202089367U (en) | 2011-05-18 | 2011-05-18 | Air valve for vacuum vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202089367U true CN202089367U (en) | 2011-12-28 |
Family
ID=45364453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201582868U Expired - Lifetime CN202089367U (en) | 2011-05-18 | 2011-05-18 | Air valve for vacuum vessels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202089367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180311A (en) * | 2011-05-18 | 2011-09-14 | 珠海宜心家居有限公司 | Air valve for vacuum container |
| CN112009861A (en) * | 2020-09-21 | 2020-12-01 | 石家庄亿思特进出口贸易有限公司 | Hasp bamboo lid and preservation box thereof |
-
2011
- 2011-05-18 CN CN2011201582868U patent/CN202089367U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180311A (en) * | 2011-05-18 | 2011-09-14 | 珠海宜心家居有限公司 | Air valve for vacuum container |
| CN102180311B (en) * | 2011-05-18 | 2013-03-20 | 珠海宜心家居有限公司 | Air valve for vacuum container |
| CN112009861A (en) * | 2020-09-21 | 2020-12-01 | 石家庄亿思特进出口贸易有限公司 | Hasp bamboo lid and preservation box thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111228 Effective date of abandoning: 20130320 |
|
| RGAV | Abandon patent right to avoid regrant |