CN107314155A - A kind of sealing air-valve device - Google Patents
A kind of sealing air-valve device Download PDFInfo
- Publication number
- CN107314155A CN107314155A CN201710666320.4A CN201710666320A CN107314155A CN 107314155 A CN107314155 A CN 107314155A CN 201710666320 A CN201710666320 A CN 201710666320A CN 107314155 A CN107314155 A CN 107314155A
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- CN
- China
- Prior art keywords
- disk
- hole
- valve device
- air
- valve body
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of sealing air-valve device, including valve body and upper lid, the valve body is in truncated cone-shaped and one end is provided with circular groove, the upper lid is provided with the venting cavity extended downwardly, 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-vents in center, rotary switch is disposed with inside the venting cavity, the rotary switch includes disk and is arranged in the knob of 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 present invention have it is simple in construction, it is easy to use, it is ensured that the features such as long-term locking effect.
Description
Technical field
The present invention relates to seal technical field, more particularly to a kind of sealing air-valve device.
Background technology
Vacuum bag is mainly used for preserving food, medicine, clothes and other items, in order to improve preservation quality, vacuum bag it is close
Envelope property seems increasingly important, and the suction and discharge of gas be unable to do without air-valve device in vacuum bag, and air-valve device on the market is more
It is the valve seat by being provided with passage, bonnet and diaphragm seal composition, although these structures can reach self-locking using draught head,
It cannot be guaranteed that long-term locking effect, the suction of gas is also cumbersome after air valve self-locking in addition, it is therefore desirable to optimization sealing
The structure of property air-valve device.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sealing air-valve device, with simple in construction, exhaust side
Just, it is ensured that for a long time the features such as locking effect.
The technical solution adopted for the present invention to solve the technical problems is：A kind of sealing air-valve device, including valve are provided
Body and upper lid, the valve body are provided with circular groove in truncated cone-shaped and one end, and the upper lid is provided with the venting cavity extended downwardly, described
Upper lid is fixedly connected with the valve body together by way of venting cavity side wall is embedded in circular groove, the upper end of the venting cavity
Circumferentially disposed to have two sections of symmetrical downward projection of gradient steps, the height of the gradient step is by the two of gradient step
Holding to centre gradually increases, and the bottom of the circular groove is provided with through hole and the lower end of through hole is provided with the center coaxial with through hole
Hole, the diameter of the through hole is less than the diameter of centre bore, and limited step, the body base are formd between through hole and centre bore
It is provided with along the equally distributed multiple air-vents in center, is disposed with rotary switch 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 are arranged symmetrically the boss for extending to disk border, institute
State disk lower surface and be provided with the circular gasket being flexibly connected with disk, the circular gasket lower end is provided through through hole and limited
The limiting section in limited step lower end is made, the limiting section can be moved up and down in centre bore.
Supplemented as one kind to technical solutions according to the invention, the body base is uniformly provided with 6 along center thoroughly
Stomata and air-vent are scallop hole.
Supplemented as one kind to technical solutions according to the invention, the diameter of the passage is more than disk and circular pad
The diameter of piece is provided with through hole from top to bottom through disk and circular gasket on disk, it is ensured that the discharge and suction of gas
Process is unobstructed.
Supplemented as one kind to technical solutions according to the invention, the connected mode of the valve body and upper lid is screw-type
Connection or buckle-type connection.
Supplemented as one kind to technical solutions according to the invention, it is of different sizes that the valve body can be fixedly connected with edge
Upper lid, can be according to liking and be actually needed to change edge upper lid of different sizes.
Supplemented as one kind to technical solutions according to the invention, the disk upper end is disposed with centrosymmetric 4
Rib and rib extending sideways to the edge of disk by knob, it is ensured that the gas permeability of product.
Supplemented as one kind to technical solutions according to the invention, the bottom of the valve body is radiated along around centre bore
Property is designed with some prominent muscle.
Supplemented as one kind to technical solutions according to the invention, during the prominent muscle is higher than close to the part of centre bore
The end face in heart hole, prevents vacuum bag shrinks in pumping process from blocking centre bore.
Supplemented as one kind to technical solutions according to the invention, the periphery of the air-vent of the circular groove bottom is set
It is equipped with sealing ring, it is ensured that better seal effect.
Supplemented as one kind to technical solutions according to the invention, the circular gasket upper end is provided with groove and groove
It is inlaid with the salient point for being arranged on disk lower end, it is to avoid rotary switch comes off from circular gasket.
Beneficial effect：The present invention relates to a kind of sealing air-valve device, on traditional air-valve device adding knob opens
Because of the air pressure change inside vacuum bag air valve will not be opened after the structure of pass, turn knobs locking air valve, in addition
The suction of gas can open air valve by turn knobs, and rotary switch is then carried upwards just can separate pad with air-vent
Realize breathing process, the present invention have it is simple in construction, it is easy to use, it is ensured that the features such as long-term locking effect.
Brief description of the drawings
Fig. 1 is the rearview of the present invention；
Fig. 2 be Fig. 1 A-A to sectional view；
Fig. 3 is the local enlarged drawings of Fig. 2；
Fig. 4 is the front view of the present invention；
Fig. 5 is Fig. 4 partial enlarged drawing；
Fig. 6 is the graphics of the present invention.
Reference：1st, valve body, 2, upper lid, 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-vent, 15, sealing ring,
16th, knob, 17, limited step, 18, through hole, 19, circular groove.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment of the present invention is related to a kind of sealing air-valve device, as shown in figures 1 to 6, including valve body 1 and upper lid 2, institute
Valve body 1 is stated in truncated cone-shaped and one end is provided with circular groove 19, the upper lid 2 is provided with the venting cavity 3 extended downwardly, the upper lid 2
Be fixed together by way of the side wall of venting cavity 3 is embedded in circular groove 19 with valve body 1, the venting cavity 3 it is 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 step
8 two ends gradually increase to centre, and the bottom of the circular groove 19 is provided with through hole 18 and the lower end of through hole 18 is provided with and led to
The coaxial centre bore 11 in hole 18, the diameter of the through hole 18 is less than the diameter of centre bore 11, shape between through hole 18 and centre bore 11
Into limited step 17, the bottom of valve body 1 is provided with along the equally distributed multiple air-vents 14 in center, inside the venting cavity 3
Rotary switch 4 is disposed with, the rotary switch 4 includes disk 7 and is arranged in before the knob 16 of the upper end of disk 7, the knob 16
Both sides are arranged symmetrically the boss 13 for extending to the edge of disk 7 afterwards, and the lower surface of disk 7 is provided with to be flexibly connected with disk 7
Circular gasket 5, the lower end of circular gasket 5 is provided through through hole 18 and is limited in the limiting section of the lower end of limited step 17
12, the limiting section 12 can be moved up and down in centre bore 11.
6 air-vents 14 are uniformly provided with along center for the bottom of valve body 1 and air-vent 14 is scallop hole.
The diameter of the passage 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 that screw-type connection or buckle-type are connected with the connected mode of upper lid 2.
The valve body 1 can be fixedly connected with edge upper lid 2 of different sizes.
The upper end of disk 7 is disposed with centrosymmetric 4 ribs 9 and the extending sideways to disk 7 by knob 16 of rib 9
Edge.
The bottom of the valve body 1 is designed with some 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-vent 14 of the bottom of circular groove 19 is provided with sealing ring 15.
The upper end of circular gasket 5 is provided with the salient point 6 for being inlaid with groove and groove and being arranged on the lower end of disk 7.
Embodiment
When vacuum bag air exhaust, valve body 1 is embedded in vacuum bag, through hot-melt adhesive paste, lid 2 and aspiration pump pair is then gone up
Connect, in the presence of aspiration pump, draught head is formed between aspiration pump in vacuum bag, in vacuum bag in the presence 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-vent 18 and centre bore 11 of the bottom of valve body 1, when being evacuated
Into rear closing aspiration pump, at this moment the air pressure inside vacuum bag is less than extraneous air pressure, the meeting of circular gasket 5 in the presence of draught head
Air-vent and centre bore are blocked, aspiration pump is removed, turn knobs 16 clockwise cause gradient step 8 to compress boss 13 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, and knob 16 can be now carried upwards, because salient point 6 is embedded in
In the groove of the upper end of circular gasket 5, so circular gasket 5 is walked upwards with salient point 6, further circular gasket 5 and circle are recessed
The bottom of groove 19 forms gap, and ambient atmos are entered in vacuum bag by air-vent 14 and centre bore 11.
Claims (10)
1. a kind of sealing air-valve device, including valve body (1) and upper lid (2), it is characterised in that the valve body (1) is in truncated cone-shaped
And one end is provided with circular groove (19), the upper lid (2) is provided with the venting cavity (3) extended downwardly, and the upper lid (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
End is circumferentially disposed two sections of symmetrical downward projection of gradient steps (8), and the height of the gradient step (8) is by the gradient
The two ends of step (8) gradually increase to centre, and the bottom of the circular groove (19) is provided with 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
Rotary switch (4) is disposed with inside multiple air-vents (14), the venting cavity (3), 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 surface 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 be moved up and down in centre bore (11).
2. a kind of sealing air-valve device according to claim 1, it is characterised in that valve body (1) bottom is along center
Uniformly it is provided with 6 air-vents (14) and air-vent (14) is scallop hole.
3. a kind of sealing air-valve device according to claim 1, it is characterised in that the diameter of the passage (3) is big
It is provided with 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 sealing air-valve device according to claim 1, it is characterised in that the valve body (1) and upper lid (2)
Connected mode is that screw-type connection or buckle-type are connected.
5. a kind of sealing air-valve device according to claim 1 or 4, it is characterised in that the valve body (1) can fix
Connect edge upper lid (2) of different sizes.
6. a kind of sealing air-valve device according to claim 1, it is characterised in that disk (7) upper end is disposed with
Centrosymmetric 4 ribs (9) and rib (9) extending sideways to the edge of disk (7) by knob (16).
7. a kind of sealing air-valve device according to claim 1, it is characterised in that the bottom of the valve body (1) is in
It is radioactive around heart hole (11) to be designed with some prominent muscle (10).
8. a kind of sealing air-valve device according to claim 7, it is characterised 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).
9. a kind of sealing air-valve device according to claim 1 or 2, it is characterised in that circular groove (19) bottom
The periphery of the air-vent (14) at end is provided with sealing ring (15).
10. a kind of sealing air-valve device according to claim 1, it is characterised in that open circular gasket (5) upper end
The salient point (6) for being arranged on disk (7) lower end is inlaid with fluted and groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666320.4A CN107314155A (en) | 2017-08-07 | 2017-08-07 | A kind of sealing air-valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666320.4A CN107314155A (en) | 2017-08-07 | 2017-08-07 | A kind of sealing air-valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107314155A true CN107314155A (en) | 2017-11-03 |
Family
ID=60170579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666320.4A Pending CN107314155A (en) | 2017-08-07 | 2017-08-07 | A kind of sealing air-valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314155A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202046527U (en) * | 2011-05-15 | 2011-11-23 | 肖文贵 | Vacuum extraction valve of vacuum compression collection bag |
| CN202054248U (en) * | 2011-05-10 | 2011-11-30 | 华吉 | Sealing valve of vacuum compression bag |
| CN202244668U (en) * | 2011-08-26 | 2012-05-30 | 慈溪市美德工贸有限公司 | Novel vacuum bag valve |
| CN104859929A (en) * | 2015-05-11 | 2015-08-26 | 杨芳 | Air valve of storage bag |
| CN205686812U (en) * | 2016-06-17 | 2016-11-16 | 崔立权 | Valve for vacuum compression bag |
| CN205708108U (en) * | 2016-06-24 | 2016-11-23 | 谭志高 | A kind of double-purpose vacuum fresh-keeping pot of improvement |
| CN207421501U (en) * | 2017-08-07 | 2018-05-29 | 慈溪市美德工贸有限公司 | A kind of leakproofness air-valve device |
-
2017
- 2017-08-07 CN CN201710666320.4A patent/CN107314155A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202054248U (en) * | 2011-05-10 | 2011-11-30 | 华吉 | Sealing valve of vacuum compression bag |
| CN202046527U (en) * | 2011-05-15 | 2011-11-23 | 肖文贵 | Vacuum extraction valve of vacuum compression collection bag |
| CN202244668U (en) * | 2011-08-26 | 2012-05-30 | 慈溪市美德工贸有限公司 | Novel vacuum bag valve |
| CN104859929A (en) * | 2015-05-11 | 2015-08-26 | 杨芳 | Air valve of storage bag |
| CN205686812U (en) * | 2016-06-17 | 2016-11-16 | 崔立权 | Valve for vacuum compression bag |
| CN205708108U (en) * | 2016-06-24 | 2016-11-23 | 谭志高 | A kind of double-purpose vacuum fresh-keeping pot of improvement |
| CN207421501U (en) * | 2017-08-07 | 2018-05-29 | 慈溪市美德工贸有限公司 | A kind of leakproofness air-valve device |
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