CN220663424U - Air valve of compression bag - Google Patents
Air valve of compression bag Download PDFInfo
- Publication number
- CN220663424U CN220663424U CN202322090013.XU CN202322090013U CN220663424U CN 220663424 U CN220663424 U CN 220663424U CN 202322090013 U CN202322090013 U CN 202322090013U CN 220663424 U CN220663424 U CN 220663424U
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- air valve
- groove
- limiting
- sealing
- compression bag
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- 230000006835 compression Effects 0.000 title claims abstract description 37
- 238000007906 compression Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000003825 pressing Methods 0.000 claims abstract description 55
- 238000005192 partition Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Check Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses an air valve of a compression bag, which comprises an air valve cover, a spring, a sealing gasket and an air valve seat, wherein the air valve cover is fixedly provided with a pressing plate, the air valve seat is fixedly provided with a supporting block, the sealing gasket is positioned between the pressing plate and the supporting block, the pressing plate and the supporting block are respectively pressed with the sealing gasket to form a sealing structure, the air valve seat is provided with a limiting through groove, the air valve cover is provided with a limiting block, the limiting block is matched with the limiting through groove, the limiting block, the limiting through groove and the spring form a limiting fastening structure, and the limiting through groove is of a side exhaust structure.
Description
Technical Field
The utility model belongs to the field of air valves, and relates to an air valve of a compression bag.
Background
The compression bag is commonly used for preserving clothes and has the effects of dampproofing, insect prevention and cleaning. By pumping out air, the stored articles are isolated from the outside, so that the mildewing can be prevented, and the stored articles can be reduced in volume and compressed along with the pumping out of the air. The air valve is arranged on the compression bag for exhausting or exhausting, when the air valve is matched with the air pump or the hand pump for use, the sealing plug floats upwards to pump air in the compression bag, after exhausting is finished, the sealing plug falls back under the action of negative pressure to form a sealing structure with the air valve base, but the sealing plug is extremely easy to shape and deform under the action of negative pressure adsorption for a long time, once the compression bag deflects or collides and the like to cause the situation that the sealing plug deviates, the sealing plug loses sealing effect due to the shape or deformation, the problem that the sealing defect occurs in the compression bag is caused, and when the conventional air valve is matched with the air pump or the hand pump for use, the number of air outlet holes is limited, so that the exhausting time can be prolonged.
Disclosure of Invention
The utility model provides an air valve of a compression bag, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pneumatic valve of compression bag, includes air valve cover, spring, sealed pad and air valve seat, and the air valve cover has set firmly the clamp plate, and the air valve seat has set firmly the support piece, and sealed pad is located between clamp plate and the support piece, and clamp plate, support piece compress tightly with sealed pad respectively and form seal structure, and the air valve seat is equipped with spacing logical groove, and the air valve cover is equipped with the stopper, stopper and spacing logical groove adaptation, and stopper, spacing logical groove and spring form spacing fastening structure, and spacing logical groove is side exhaust structure.
Further, the sealing gasket comprises a sealing pressing part, the contact surface of the sealing pressing part, the pressing plate and the bearing block are arranged to be inclined surfaces, and the contact surfaces of the pressing plate, the bearing block and the sealing gasket are arranged to be inclined surfaces.
Further, the sealing gasket comprises a sealing pressing part, the contact surface of the sealing pressing part, the pressing plate and the bearing block are arranged to be flat, and the contact surfaces of the pressing plate, the bearing block and the sealing gasket are arranged to be flat.
Further, the air valve seat is provided with an exhaust hole, the center of the exhaust hole is provided with a fixing seat, and the fixing seat is provided with a sealing gasket.
Further, the air valve seat is provided with a base, the bottom of the base is provided with a plurality of partition boards, the partition boards are fixedly provided with support boards, the support boards are located at the exhaust holes and fixedly connected with the fixing base, the end face of the support board, which faces the sealing and compacting part, is provided with an inclined plane, the inclined plane of the support board is matched with the inclined plane of the sealing and compacting part, the air valve is in a sealing state, and the support board is attached to the sealing and compacting part.
Further, the limit through grooves are in one-to-one correspondence with the limit blocks.
Further, the limiting through groove comprises a pressing groove and a limiting groove, the pressing groove and the limiting groove are mutually communicated, the pressing groove is distributed along the circumferential direction of the air valve seat, the limiting groove is distributed along the axial direction of the air valve seat, and the limiting block is located in the limiting through groove and is in sliding connection with the limiting through groove.
Furthermore, the air valve seat is also provided with an inner groove, the spring is arranged between the inner groove and the air valve cover, and when the air valve is in a sealing state, the spring is in a compression energy storage state.
Further, reinforcing rib plates are fixedly arranged between the adjacent partition plates.
Further, the pressing groove and the limiting groove form an L-shaped structure.
In summary, the utility model has the following advantages:
1) Compared with the prior sealing gasket which is sealed by negative pressure adsorption, the mechanical sealing structure of the sealing gasket is higher in sealing performance and more reliable.
2) The contact surfaces of the pressing plate, the bearing block and the sealing gasket 3 are all inclined planes and are matched in inclination, so that the contact area of the pressing plate and the sealing gasket, and the contact area of the bearing block and the sealing gasket are increased, and the air tightness of the sealing structure is improved.
3) According to the utility model, the inclined planes are arranged on the supporting block and the sealing gasket, so that a second exhaust channel which is horizontally upwards is formed, exhaust is facilitated, and the exhaust speed is effectively improved.
4) The utility model is provided with the plurality of air outlets which are spirally distributed by taking the center of the top of the air valve cover as an origin, thereby being more beneficial to exhausting the air outlets, improving the exhausting speed and improving the exhausting efficiency of the air pump or the hand pump.
5) The utility model is provided with the limit through groove, the gas in the compression bag is discharged from the gas outlet and the limit through groove, so that the exhaust is increased, and the air extraction efficiency of the air pump or the hand pump is improved.
Drawings
FIG. 1 is a schematic illustration of a gas valve according to the present utility model.
FIG. 2 is an exploded view of the air valve of the present utility model.
Fig. 3 is a rear view of the air valve of the present utility model.
Fig. 4 is a schematic view in section of A-A in fig. 3.
Fig. 5 is a schematic view of a valve cover according to the present utility model.
Fig. 6 is a schematic view of the mounting of the valve cover and base of the present utility model.
Fig. 7 is a schematic view of the valve cover and base mounting of the present utility model.
Fig. 8 is a schematic view of a valve cover according to a second embodiment.
Fig. 9 is a schematic diagram of a valve in a semi-section of the third embodiment.
Fig. 10 is a schematic diagram of a valve in a semi-section of the third embodiment.
Fig. 11 is a schematic diagram of a valve according to a fourth embodiment in semi-section.
Fig. 12 is a schematic diagram of a valve in a semi-section of the fourth embodiment.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
All directional indications (such as up, down, left, right, front, rear, lateral, longitudinal … …) in embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture, and if the particular gesture changes, the directional indication changes accordingly.
For reasons of installation errors, the parallel relationship referred to in the embodiments of the present utility model may be an approximately parallel relationship, and the perpendicular relationship may be an approximately perpendicular relationship.
Embodiment one:
as shown in fig. 1-7, an air valve of a compression bag comprises an air valve cover 1, a spring 2, a sealing gasket 3 and an air valve seat 4, wherein a pressing plate 11 is fixedly arranged on the air valve cover 1, a supporting block 42 is fixedly arranged on the air valve seat 4, the sealing gasket 3 is positioned between the pressing plate 11 and the supporting block 42, the pressing plate 11 and the supporting block 42 respectively form a sealing structure by being pressed with the sealing gasket 3, a limiting through groove 41 is formed in the air valve seat 4, a limiting block 12 is arranged on the air valve cover 1, the limiting block 12 is matched with the limiting through groove 41, and the limiting block 12, the limiting through groove 41 and the spring 2 form a limiting fastening structure, and the limiting through groove 41 is a side exhaust structure.
The sealing gasket 3 comprises a sealing connecting portion 31 and a sealing pressing portion 32, the sealing connecting portion 31 is movably connected with the air valve seat 4 and limits the sealing gasket 3 through the air valve seat 4, and the sealing connecting portion 31 and the sealing pressing portion 32 are of an integrated structure in the embodiment.
In this embodiment, the sealing and pressing portion 32 is configured as a central concave diffusion structure, the contact surfaces of the sealing and pressing portion 32 against the pressing plate 11 and the supporting block 42 are inclined surfaces, the contact surfaces of the pressing plate 11, the supporting block 42 and the sealing pad 3 are inclined surfaces, and the contact surfaces of the pressing plate 11, the supporting block 42 and the sealing pad 3 are inclined surfaces and are adaptive in inclination, so that the contact area between the pressing plate 11 and the sealing pad 3, and the contact area between the supporting block 42 and the sealing pad 3 are increased, and the air tightness of the sealing structure is improved.
The top of the air valve cover 1 is provided with a plurality of air outlets 13, in this embodiment, the air outlets 13 are in an arc structure, the air outlets 13 are spirally distributed by taking the center of the top of the air valve cover 1 as an origin, the air outlet 13 is more favorable for exhausting, the exhaust speed is improved, and the air extraction efficiency of the air pump or the hand pump is improved.
The outer surface of the lateral part of the air valve cover 1 is fixedly provided with a plurality of vertically distributed stripes 14, and when the air valve cover 1 is held by hand under a certain pressure, friction is increased by increasing the roughness of the contact surface, so that the air valve cover 1 is convenient to be held by the hand.
The clamp plate 11 sets firmly at the top of air valve gap 1, and clamp plate 11 establishes to ring structure, and clamp plate 11's lower extreme external diameter is less than the external diameter of sealed pad 3, and clamp plate 11's lower terminal surface sets up to the inclined plane, and clamp plate 11's lower extreme compresses tightly sealed pad 3, compresses tightly sealed pad 3 on the supporting piece 42 of air valve seat 4, realizes sealedly, compares current sealed pad 3 and adsorbs sealed technical scheme through the negative pressure, and this embodiment compresses tightly sealed pad 3's mechanical seal structure through clamp plate 11, and the leakproofness is higher and more reliable.
The limiting blocks 12 are arranged in a plurality, and the limiting blocks 12 are distributed on the inner surface of the side part of the air valve cover 1.
The top of the air valve cover 1 is provided with a rotation mark to prompt the unlocking and locking rotation directions.
The bottom of the air valve seat 4 is provided with an air exhaust hole 40, the center of the air exhaust hole 40 is provided with a fixed seat 44, the fixed seat 44 is movably connected with the sealing connection part 31, and the fixed seat 44 limits the sealing connection part 31 when the air valve is in an exhaust state; the bottom of the air valve seat 4 is also provided with a supporting block 42 and an inner groove 43, the inner groove 43 is positioned between the supporting block 42 and the side part of the air valve seat 4, the upper end face of the supporting block 42 for supporting the sealing gasket 3 is set to be an inclined plane, and the pressing plate 11 presses the sealing gasket 3 on the supporting block 42, so that the air exhaust hole 40 is sealed.
The spacing logical groove 41 sets up the side at the air valve seat 4, and spacing logical groove 41 and stopper 12 one-to-one, and spacing logical groove 41 includes indent 411 and spacing groove 412, and indent 411 and spacing groove 412 communicate each other, and indent 411 distributes along the circumferencial direction of air valve seat 4, and spacing groove 412 distributes along the axial direction of air valve seat 4, and indent 411 and spacing groove 412 form L type structure, and stopper 12 is located spacing logical inslot 41 and with spacing logical groove 41 sliding connection.
In this embodiment, the limiting through groove 41 is a side exhaust structure.
The spring 2 is installed between the inner groove 43 and the air valve cover 1, and when the air valve cover 1 is in a sealed state, the spring 2 is in a compressed energy storage state.
The bottom of the air valve seat 4 is provided with a base 5, the caliber of the base 5 is larger than the outer diameter of the air valve seat 4, the base 5 and the air valve seat 4 are integrally formed, and the base 5 and the compression bag are fixed.
The bottom of base 5 is equipped with a plurality of division boards 51, a plurality of division boards 51 use base 5 center as the origin spiral distribution, division board 51 has set firmly backup pad 511, backup pad 511 is located exhaust hole 40, and with fixing base 44 fixed in the center of exhaust hole 40, backup pad 511 sets up to the inclined plane towards the terminal surface of sealed portion of compressing tightly 32, the inclined plane of backup pad 511 and the inclined plane adaptation of sealed portion of compressing tightly 32, when the pneumatic valve is in sealed state, backup pad 511 meets with sealed portion of compressing tightly 32, backup pad 511 upwards supports sealed portion of compressing tightly 32, further guarantee sealed stability of sealing pad.
The exhaust holes 40 are divided into a plurality of exhaust screens by the plurality of partition plates 51, and gas flows along the exhaust screens, so that the exhaust holes are prevented from being blocked by the inner wall of the bag body or articles contained in the bag body when the compressed bag is exhausted by the plurality of partition plates 51.
Reinforcing ribs 52 are fixedly arranged between the adjacent partition plates 51 to strengthen the strength of the partition plates 51 and reduce the risk of deformation of the partition plates 51.
When the compression bag is exhausted from inside to outside, the compression bag comprises a first exhaust channel, a second exhaust channel and a third exhaust channel, wherein the first exhaust channel is the exhaust of the exhaust hole 40, the third exhaust channel is the exhaust of the air outlet 13 and the limit through groove 41, and the second exhaust channel is the exhaust after the sealing structure is relieved.
When the compression bag is exhausted from inside to outside, the pressing plate 11, the bearing block 42 and the sealing gasket 3 are unsealed, the pressing plate 11 moves upwards, the sealing gasket 3 moves upwards under the action of impact force, a second exhaust channel is formed between the sealing gasket 3 and the bearing block 42, the second exhaust channel is used for arranging the first exhaust channel and the third exhaust channel, the inclined plane of the bearing block 42 and the inclined plane of the sealing gasket 3, the second exhaust channel is of a horizontal upward structure, the second exhaust channel and the axis of the exhaust hole 40 form an obtuse angle, and compared with the existing horizontal exhaust structure, the application is used for arranging the inclined plane of the bearing block 42 and the sealing gasket 3 to form the horizontal upward second exhaust channel, so that the exhaust speed is effectively improved.
In the implementation process of the embodiment, in the initial state, the air valve cover 1 is fastened on the air valve seat 4, when the compression bag is compressed in advance, the air valve cover 1 is rotated, the limiting block 12 moves to the limiting groove 412 along the pressing groove 411, the limiting block 12 slides to the top end of the limiting groove 412 under the action of the restoring force of the spring 2, the air valve cover 1 moves up to the set height to stop, at the moment, the sealing of the pressing plate 11 and the sealing gasket 3 is released, the compression bag is pressed, the sealing gasket 3 moves upwards under the air thrust, so that the air exhaust hole 40 is communicated with the inside and the outside of the compression bag, the air in the compression bag is exhausted from the air exhaust hole 40 to the air outlet 13 and the limiting through groove 41, then the air pump or the hand pump is matched for use, the air pump or the hand pump is propped against the base 5, and the air in the compression bag is further pumped out from the air outlet 13 and the limiting through groove 41 until the compression bag reaches the compression degree required by a customer; then, the air valve cover 1 is pressed downwards to compress the spring, the limiting block 12 moves to the bottom of the limiting groove 412 and then rotates the air valve cover 1, the limiting block 12 moves to the pressing groove 411 along the limiting groove 412, the rebound force of the compression spring is upward, the movable direction of the limiting block 12 is in the circumferential direction, and the directions of the two directions are vertical, so that the limiting block 12 is locked in the pressing groove 411 under the rebound force of the spring, and the air valve cover 1 is locked on the air valve seat 4.
Embodiment two:
as shown in fig. 8, the present embodiment differs from the first embodiment in that: in the first embodiment, the air outlets 13 of the air valve cover 1 are in an arc structure, the air outlets 13 are spirally distributed with the center of the top of the air valve cover 1 as an origin, while in the embodiment, the air outlets 13 are in a square structure, and the air outlets 13 are distributed in an annular array with the center of the top of the air valve cover 1 as the origin.
Chamfer angles 131 are arranged at four corners of the air outlet 13;
the outer boundary 132 of the preferred air outlet 13 is provided with a chamfer (not shown) to enlarge the air discharge area.
Embodiment III:
as shown in fig. 9 to 10, this embodiment differs from the above embodiment in that: in the above embodiment, the contact surfaces of the pressing plate 11, the supporting block 42 and the gasket 3 are all inclined surfaces, while in the present embodiment, the contact surfaces (pressing surfaces) of the pressing plate 11, the supporting block 42 and the gasket 3 are all flat surfaces.
As shown in fig. 9, the seal pressing portion 32 is provided with a flat ring 33, the flat ring 33 has a flat plate structure, the flat ring 33 is located between the pressing plate 11 and the supporting block 42, and the flat ring 33 is in contact with the pressing plate 11 and the supporting block 42, respectively.
Or as shown in fig. 10, the seal pressing portion 32 has a flat plate structure, and the contact surfaces of the pressing plate 11, the support block 42 and the gasket 3 are all flat surfaces.
Embodiment four:
as shown in fig. 11 to 12, this embodiment differs from the first embodiment in that: in the first embodiment, the bearing block 42 and the partition plate 51 support the gasket 3 when the air valve is sealed, whereas in the present embodiment, the bearing block 42 supports the gasket 3 when the air valve is sealed.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Claims (10)
1. An air valve for a compression bag, characterized in that: including air valve cover, spring, sealed pad and air valve seat, the air valve cover has set firmly the clamp plate, and the air valve seat has set firmly the bearing piece, and sealed pad is located between clamp plate and the bearing piece, and clamp plate, bearing piece compress tightly with sealed pad respectively and form seal structure, and the air valve seat is equipped with spacing logical groove, and the air valve cover is equipped with the stopper, stopper and spacing logical groove adaptation, and stopper, spacing logical groove and spring form spacing fastening structure, and spacing logical groove is side exhaust structure.
2. A compression bag valve according to claim 1, wherein: the sealing gasket comprises a sealing pressing part, the contact surface of the sealing pressing part, the pressing plate and the bearing block are arranged to be inclined surfaces, and the contact surfaces of the pressing plate, the bearing block and the sealing gasket are arranged to be inclined surfaces.
3. A compression bag valve according to claim 1, wherein: the sealing gasket comprises a sealing pressing part, the contact surface of the sealing pressing part, the pressing plate and the bearing block are arranged to be flat, and the contact surfaces of the pressing plate, the bearing block and the sealing gasket are arranged to be flat.
4. A compression bag valve according to claim 2 or 3, wherein: the air valve seat is provided with an exhaust hole, the center of the exhaust hole is provided with a fixing seat, and the fixing seat is provided with a sealing gasket.
5. The compression bag valve as defined in claim 4 wherein: the air valve seat is provided with a base ， The bottom of base is equipped with a plurality of division boards, and the division board has set firmly the backup pad, and the backup pad is located the exhaust hole, and with fixing base fixed connection, and the backup pad is set up to the inclined plane towards the terminal surface of sealed compacting part, the inclined plane of backup pad and the inclined plane adaptation of sealed compacting part, and the pneumatic valve is in sealed state, and the backup pad pastes with sealed compacting part mutually.
6. A compression bag valve according to claim 1, wherein: the limit through grooves are in one-to-one correspondence with the limit blocks.
7. A compression bag valve according to claim 1, wherein: the limiting through groove comprises a pressing groove and a limiting groove, the pressing groove and the limiting groove are mutually communicated, the pressing groove is distributed along the circumferential direction of the air valve seat, the limiting groove is distributed along the axial direction of the air valve seat, and the limiting block is located in the limiting through groove and is in sliding connection with the limiting through groove.
8. A compression bag valve according to claim 1, wherein: the air valve seat is also provided with an inner groove, the spring is arranged between the inner groove and the air valve cover, and when the air valve is in a sealing state, the spring is in a compression energy storage state.
9. The compression bag valve as defined in claim 5 wherein: reinforcing rib plates are fixedly arranged between the adjacent partition plates.
10. The compression bag valve as defined in claim 7 wherein: the pressing groove and the limiting groove form an L-shaped structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023220657839 | 2023-08-03 | ||
| CN202322065783 | 2023-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220663424U true CN220663424U (en) | 2024-03-26 |
Family
ID=90344761
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322090013.XU Active CN220663424U (en) | 2023-08-03 | 2023-08-04 | Air valve of compression bag |
| CN202322455738.4U Active CN220810392U (en) | 2023-08-03 | 2023-09-11 | Air valve of compression bag |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322455738.4U Active CN220810392U (en) | 2023-08-03 | 2023-09-11 | Air valve of compression bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN220663424U (en) |
-
2023
- 2023-08-04 CN CN202322090013.XU patent/CN220663424U/en active Active
- 2023-09-11 CN CN202322455738.4U patent/CN220810392U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN220810392U (en) | 2024-04-19 |
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