CN207421501U - A kind of leakproofness air-valve device - Google Patents
A kind of leakproofness air-valve device Download PDFInfo
- Publication number
- CN207421501U CN207421501U CN201720976826.0U CN201720976826U CN207421501U CN 207421501 U CN207421501 U CN 207421501U CN 201720976826 U CN201720976826 U CN 201720976826U CN 207421501 U CN207421501 U CN 207421501U
- Authority
- CN
- China
- Prior art keywords
- hole
- disk
- air
- valve body
- valve device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Check Valves (AREA)
Abstract
The utility model is related to a kind of leakproofness air-valve devices,Including valve body and upper cover,The valve body is provided with circular groove in truncated cone-shaped and one end,The upper cover is provided with the venting cavity extended downwardly,The venting cavity side wall is embedded in circular groove,The upper end of the venting cavity is along the circumferential direction provided with two sections of symmetrical downward projection of gradient steps,The bottom of the circular groove is provided with through hole and the lower end of through hole is provided with the centre bore coaxial with through hole,The body base is provided with along the equally distributed multiple air holes in center,Rotary switch is disposed with inside the venting cavity,The rotary switch includes disk and the knob for being arranged in disk upper end,The knob front and rear sides have been arranged symmetrically boss,The disk lower end is provided with the circular gasket being flexibly connected with disk,The circular gasket lower end is provided through through hole and is limited in the limiting section of limited step lower end.The utility model has simple in structure, easy to use, the features such as ensureing long-term locking effect.
Description
Technical field
The utility model is related to sealing element technical field, more particularly to a kind of leakproofness air-valve device.
Background technology
Vacuum bag is mainly used for preserving food, drug, clothes and other items, in order to improve preservation quality, vacuum bag it is close
Envelope property seems increasingly important, and the sucking of gas and the too busy to get away air-valve device of discharge in vacuum bag, air-valve device on the market are more
It is the valve seat by being provided with venting cavity, valve deck and diaphragm seal composition, although these structures can reach self-locking using draught head,
It cannot be guaranteed that long-term locking effect, in addition the sucking of gas is also cumbersome after air valve self-locking, it is therefore desirable to optimization sealing
The structure of property air-valve device.
The content of the invention
The technical problem to be solved by the utility model is to provide a kind of leakproofness air-valve devices, have simple in structure, row
Gas is convenient, the features such as ensureing long-term locking effect.
Technical solution is used by the utility model solves its technical problem：A kind of leakproofness air-valve device is provided, is wrapped
Valve body and upper cover are included, the valve body is provided with circular groove in truncated cone-shaped and one end, and the upper cover is provided with the venting cavity extended downwardly,
The upper cover is fixedly connected with the valve body together in a manner that venting cavity side wall is embedded in circular groove, the venting cavity
Upper end is circumferentially disposed two sections of symmetrical downward projection of gradient steps, and the height of the gradient step is by gradient step
Both ends gradually increased to centre, the bottom of the circular groove be provided with through hole and through hole lower end be provided with it is coaxial with through hole
Centre bore, the diameter of the through hole are less than the diameter of centre bore, limited step, the valve body are formd between through hole and centre bore
Bottom is provided with along the equally distributed multiple air holes in center, and rotary switch, the rotary switch are disposed with inside the venting cavity
Including disk and the knob for being arranged in disk upper end, the knob front and rear sides, which are arranged symmetrically, extends to the convex of disk border
Platform, the disk lower face are provided with the circular gasket being flexibly connected with disk, and the circular gasket lower end is provided through logical
Hole and the limiting section for being limited in limited step lower end, the limiting section can move up and down in centre bore.
As a kind of supplement to technical solution described in the utility model, the body base is uniformly provided with 6 along center
A air hole and air hole are scallop hole.
As a kind of supplement to technical solution described in the utility model, the diameter of the venting cavity is more than disk and circle
The diameter of shape gasket is provided with from top to bottom on disk through the through hole of disk and circular gasket, ensure gas discharge and
Suction process is unobstructed.
As a kind of supplement to technical solution described in the utility model, the connection mode of the valve body and upper cover is spiral shell
Line formula connects or buckle-type connection.
As a kind of supplement to technical solution described in the utility model, the valve body can be fixedly connected with edge size
Different upper covers, can be according to liking and be actually needed to replace edge upper cover of different sizes.
As a kind of supplement to technical solution described in the utility model, the disk upper end is disposed with centrosymmetric
4 ribs and rib are extended to the edge of disk by the side of knob, ensure the gas permeability of product.
As a kind of supplement to technical solution described in the utility model, the bottom of the valve body is along around centre bore
It is radioactive to be designed with several prominent muscle.
As a kind of supplement to technical solution described in the utility model, the prominent muscle is high close to the part of centre bore
In the end face of centre bore, prevent vacuum bag is shunk in pumping process from blocking centre bore.
As a kind of supplement to technical solution described in the utility model, outside the air hole of the circular groove bottom
It encloses and is provided with sealing ring, ensure better seal effect.
As a kind of supplement to technical solution described in the utility model, the circular gasket upper end is provided with groove and recessed
The salient point for being arranged on disk lower end is inlaid in slot, rotary switch is avoided to come off from circular gasket.
Advantageous effect：The present invention relates to a kind of leakproofness air-valve device, on traditional air-valve device adding knob opens
The structure of pass, turn knobs locking air valve will not cause that air valve is opened because of the air pressure change inside vacuum bag afterwards, in addition
The sucking of gas can open air valve by turn knobs, and gasket and air hole can be separated by then carrying rotary switch upwards
Realize breathing process, the present invention has simple in structure, easy to use, the features such as ensureing long-term locking effect.
Description of the drawings
Fig. 1 is the rearview of the utility model；
Fig. 2 be Fig. 1 A-A to sectional view；
Fig. 3 is the enlarged drawing of Fig. 2 parts；
Fig. 4 is the front view of the utility model；
Fig. 5 is the partial enlarged view of Fig. 4；
Fig. 6 is the graphics of the utility model.
Reference numeral：1st, valve body, 2, upper cover, 3, venting cavity, 4, rotary switch, 5, circular gasket, 6, salient point, 7, disk,
8th, gradient step, 9, rib, 10, prominent muscle, 11, centre bore, 12, limiting section, 13, boss, 14, air hole, 15, sealing ring,
16th, knob, 17, limited step, 18, through hole, 19, circular groove.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It is to be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The utility model embodiment is related to a kind of leakproofness air-valve device, as shown in figures 1 to 6, including valve body 1 and upper cover
2, the valve body 1 is provided with circular groove 19 in truncated cone-shaped and one end, and the upper cover 2 is provided with the venting cavity 3 extended downwardly, it is described on
Lid 2 is fixed together in a manner that 3 side wall of venting cavity is embedded in circular groove 19 with valve body 1, the venting cavity 3
Upper end is circumferentially disposed two sections of symmetrical downward projection of gradient steps 8, and the height of the gradient step 8 is by gradient platform
The both ends of rank 8 are gradually increased to centre, the bottom of the circular groove 19 be provided with through hole 18 and through hole 18 lower end be provided with
The coaxial centre bore 11 of through hole 18, the diameter of the through hole 18 is less than the diameter of centre bore 11, between through hole 18 and centre bore 11
Form limited step 17,1 bottom of valve body is provided with along the equally distributed multiple air holes 14 in center, in the venting cavity 3
Portion is disposed with rotary switch 4, and the rotary switch 4 includes disk 7 and the knob 16 for being arranged in 7 upper end of disk, the knob 16
Front and rear sides are arranged symmetrically the boss 13 for extending to 7 edge of disk, and 7 lower face of disk is provided with 7 activity of disk even
The circular gasket 5 connect, 5 lower end of circular gasket are provided through through hole 18 and are limited in the limiting section of 17 lower end of limited step
12, the limiting section 12 can move up and down in centre bore 11.
1 bottom of valve body is uniformly provided with 6 air holes 14 along center and air hole 14 is scallop hole.
The diameter of the venting cavity 3 is more than the diameter of disk 7 and circular gasket 5 or is provided with from top to bottom on disk 7
Through disk 7 and the through hole of circular gasket 5.
The valve body 1 is connected with the connection mode of upper cover 2 for screw-type connection or buckle-type.
The valve body 1 can be fixedly connected with edge upper cover 2 of different sizes.
7 upper end of disk is disposed with centrosymmetric 4 ribs 9 and rib 9 extends to disk 7 by the side of knob 16
Edge.
The bottom of the valve body 1 is designed with several prominent muscle 10 along radioactive around centre bore 11.
The prominent muscle 10 is higher than the end face of centre bore 11 close to the part of centre bore 11.
The periphery of the air hole 14 of 19 bottom of circular groove is provided with sealing ring 15.
5 upper end of circular gasket is provided with the salient point 6 for being inlaid in groove and groove and being arranged on 7 lower end of disk.
Embodiment
When vacuum bag air exhaust, valve body 1 is embedded in vacuum bag, through hot-melt adhesive paste, then upper cover 2 and aspiration pump pair
It connects, under the action of aspiration pump, draught head is formed between aspiration pump in vacuum bag, in vacuum bag under the action of draught head
Gas pushes up circular gasket 5 upwards, and then limiting section 12 is walked and propped up with limited step 17, circular gasket 5 and venting cavity 3 upwards
Bottom form gap, the gas in vacuum bag is discharged by the air hole 18 and centre bore 11 of 1 bottom of valve body, when being evacuated
Into rear closing aspiration pump, the at this moment air pressure inside vacuum bag is less than extraneous air pressure, 5 meeting of circular gasket under the action of draught head
Air hole and centre bore are blocked, removes aspiration pump, turn knobs 16 clockwise are so that 8 compression boss 13 of gradient step and then lock
Close air valve.
When vacuum bag sucks gas, rotate counterclockwise knob 16 and open rotary switch 4, due to draught head and sealing ring
15 effect, extraneous gas will not immediately enter vacuum bag, can carry knob 16 upwards at this time, because salient point 6 is embedded in
In the groove of 5 upper end of circular gasket, so circular gasket 5 is walked upwards with salient point 6, further circular gasket 5 and circle are recessed
19 bottom of slot forms gap, and ambient atmos are entered by air hole 14 and centre bore 11 in vacuum bag.
Claims (10)
1. a kind of leakproofness air-valve device, including valve body (1) and upper cover (2), which is characterized in that the valve body (1) is in truncated cone-shaped
And one end is provided with circular groove (19), the upper cover (2) is provided with the venting cavity (3) extended downwardly, and the upper cover (2) passes through ventilation
The mode that chamber (3) side wall is embedded in circular groove (19) is fixed together with valve body (1), the venting cavity (3) it is upper
Hold it is circumferentially disposed have two sections of symmetrical downward projection of gradient steps (8), the height of the gradient step (8) is by the gradient
The both ends of step (8) are gradually increased to centre, and the bottom of the circular groove (19) is provided under through hole (18) and through hole (18)
End is provided with the centre bore (11) coaxial with through hole (18), and the diameter of the through hole (18) is less than the diameter of centre bore (11), leads to
Limited step (17) is formd between hole (18) and centre bore (11), valve body (1) bottom is provided with equally distributed along center
Multiple air holes (14), the venting cavity (3) is internal to be disposed with rotary switch (4), and the rotary switch (4) includes disk (7)
With the knob (16) for being arranged in disk (7) upper end, knob (16) front and rear sides, which have been arranged symmetrically, extends to disk (7) edge
Boss (13), disk (7) lower face is provided with the circular gasket (5) being flexibly connected with disk (7), the circular gasket
(5) lower end is provided through through hole (18) and is limited in the limiting section (12) of limited step (17) lower end, the limiting section (12)
It can move up and down in centre bore (11).
2. a kind of leakproofness air-valve device according to claim 1, which is characterized in that valve body (1) bottom is along center
It is scallop hole to be uniformly provided with 6 air holes (14) and air hole (14).
3. a kind of leakproofness air-valve device according to claim 1, which is characterized in that the diameter of the venting cavity (3) is big
It is provided in the diameter of disk (7) and circular gasket (5) or on disk (7) and runs through disk (7) and circular gasket from top to bottom
(5) through hole.
4. a kind of leakproofness air-valve device according to claim 1, which is characterized in that the valve body (1) and upper cover (2)
Connection mode connects for screw-type connection or buckle-type.
5. a kind of leakproofness air-valve device according to claim 1 or 4, which is characterized in that the valve body (1) can fix
Connect edge upper cover (2) of different sizes.
6. a kind of leakproofness air-valve device according to claim 1, which is characterized in that disk (7) upper end is disposed with
Centrosymmetric 4 ribs (9) and rib (9) are extended to the edge of disk (7) by the side of knob (16).
7. a kind of leakproofness air-valve device according to claim 1, which is characterized in that the bottom of the valve body (1) is in
It is radioactive around heart hole (11) to be designed with several prominent muscle (10).
8. a kind of leakproofness air-valve device according to claim 7, which is characterized in that the prominent muscle (10) is close to center
The part in hole (11) is higher than the end face of centre bore (11).
A kind of 9. leakproofness air-valve device according to claim 1 or 2, which is characterized in that the circular groove (19)
The periphery of the air hole (14) of bottom is provided with sealing ring (15).
10. a kind of leakproofness air-valve device according to claim 1, which is characterized in that open circular gasket (5) upper end
The salient point (6) for being arranged on disk (7) lower end is inlaid in fluted and groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976826.0U CN207421501U (en) | 2017-08-07 | 2017-08-07 | A kind of leakproofness air-valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976826.0U CN207421501U (en) | 2017-08-07 | 2017-08-07 | A kind of leakproofness air-valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421501U true CN207421501U (en) | 2018-05-29 |
Family
ID=62314602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720976826.0U Active CN207421501U (en) | 2017-08-07 | 2017-08-07 | A kind of leakproofness air-valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314155A (en) * | 2017-08-07 | 2017-11-03 | 慈溪市美德工贸有限公司 | A kind of sealing air-valve device |
-
2017
- 2017-08-07 CN CN201720976826.0U patent/CN207421501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314155A (en) * | 2017-08-07 | 2017-11-03 | 慈溪市美德工贸有限公司 | A kind of sealing air-valve device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104114457B (en) | Rubber seal for vacuum receptacle and lid for the receptacle using the same | |
| CN206333822U (en) | A kind of Vacuuming structure of vaccum wall-breaking machine | |
| CN207421501U (en) | A kind of leakproofness air-valve device | |
| CN102963606B (en) | Sealing cover with self-sealing structure and capable of being vacuumized | |
| CN205758927U (en) | Crystal resin vaccum cinerary casket | |
| CN206621271U (en) | A kind of vaccum wall-breaking machine | |
| CN204548819U (en) | A kind of vacuum compression bag gas nozzle with deixis | |
| CN107314155A (en) | A kind of sealing air-valve device | |
| CN208560256U (en) | A kind of vacuum fresh-retaining container | |
| CN204158204U (en) | Novel saucepan | |
| CN208107243U (en) | One-way exhaust valve | |
| CN211076990U (en) | Sealing box cover and sealing preservation box | |
| CN207450700U (en) | Vacuum crisper | |
| CN207670966U (en) | A kind of vacuum plant | |
| CN208551487U (en) | A kind of cup lid component and cup | |
| KR20170089105A (en) | Lid for vacuum pot | |
| CN209474457U (en) | A kind of portable vacuum cooking Portable cup | |
| CN207917616U (en) | The pumping rod seal structure of vacuum extractor | |
| CN206252245U (en) | Ceramic seal crisper | |
| CN204624270U (en) | A kind of vacuum crisper | |
| CN205525847U (en) | Tealeaves seal pot | |
| CN107616725B (en) | Cup cover assembly and cup | |
| CN207270207U (en) | A kind of travelling cup | |
| CN207748300U (en) | A kind of vacuum freshness retaining cover | |
| CN219688037U (en) | Vacuum preservation box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |