CN200975536Y - Three layers film pneumatic pad air valve - Google Patents
Three layers film pneumatic pad air valve Download PDFInfo
- Publication number
- CN200975536Y CN200975536Y CN 200620132178 CN200620132178U CN200975536Y CN 200975536 Y CN200975536 Y CN 200975536Y CN 200620132178 CN200620132178 CN 200620132178 CN 200620132178 U CN200620132178 U CN 200620132178U CN 200975536 Y CN200975536 Y CN 200975536Y
- Authority
- CN
- China
- Prior art keywords
- air valve
- valve film
- inflatable gasket
- film
- length
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000010408 film Substances 0.000 claims description 94
- 239000012528 membrane Substances 0.000 claims description 37
- 230000004888 barrier function Effects 0.000 claims description 17
- 238000007731 hot pressing Methods 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility mode discloses a three level inflatable valve. an independent air inlet is respectively arranged on the charging cylinders, and all the air inlet is arranged in the common air inlet passage, a single direction valve is arranged at the air inlet of each charging cylinder, and is composed of an upper, middle and lower level valve film which is clipped between the two outer films of the inflatable packer and is parallel to them, wherein, the length of the upper and lower valve file is the same, the length of the middle valve film is shorter than the upper and lower valve film. Through being adopted the structure that the middle level valve film is added and the length of the upper and lower valve film are prolonged, after being charged, the utility model is improved the reliable sealing performance of the product, because the first air locking mouth is formed by the squeeze between the tail of the shorter middle valve film and the surface of the other valve film depending on the inner and outer pressure difference, and second air locking mouth is formed by the squeeze between the tail of the prolonged upper and lower valve film, which realizes the double assurance aiming at the sealing in the charging cylinder of the inflatable valve.
Description
Technical field
The utility model relates to a kind of wrapper, particularly relates to a kind of air valve that is used in inflatable gasket or the gas flushing pouch.
Prior art
The current packaging packing has corrugated paper and bubble plastic film, and gas flushing pouch.In existing gas flushing pouch, the inflation bumper bag that is provided has all been used a kind of unidirectional gas charging valve, the structure of this gas charging valve is: this air bag is divided into independently inflator pump of some gas circuits, suction port at each inflator pump is provided with the two-layer air valve film parallel with plastic pellicle, because film has pliability, when inflation, external pressure is higher than the air pressure in the bumper bag inflator pump, two-layer air valve film is blown open, and gas can enter in the inflator pump smoothly; After inflation finishes, the tube internal air pressure is higher than external pressure, and gas flushing pouch expands because of inflation, near the suction port barrel (promptly constituting the two layers of plastic thin films of gas flushing pouch) no longer is parallel double-layer films, but the drum ovalisation, two-layer air valve film is pressed to barrel by air pressure inside, and crooked jam-packed, thereby the sealing suction port reaches and prevents the effect of leaking gas.When this unidirectional gas charging valve can guarantee that damaged gas leakage takes place for single inflator pump, still keep inflated shapes in other inflator pumps, can not cause devastating impact the shockproof effect of whole air bag.
Two-layer air valve film length of the prior art equates, after inflation finishes, rely on the mutual jam-packed of tail end of two-layer air valve film alignment and form a lock gas port, realize the single line sealing in the inflator pump, if should occur damaged by the lock gas port, then be easy to cause the interior gas of inflator pump to external leakage, airtight effect is not ideal.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of new inflatable gasket air valve.It adopts three layers of air valve thin film technique, middle one deck air valve film length is shorter than the length of both sides air valve film, make the mutual jam-packed of tail end of upper and lower two-layer prolongation air valve film, form secondary lock gas port, to airtight dual assurance, the sealing reliability energy of raising product of carrying out in each inflator pump of inflatable gasket.
For achieving the above object, the technical solution of the utility model is: described inflatable gasket is formed by thermo-compression bonding sealing around the two layers of plastic thin films, also be provided with some shielding wires in the middle of the enclosed edge all around, double-layer films hot pressing on this shielding wire is fixed, this inflatable gasket is divided into independently inflator pump of some air chambers, each inflator pump is respectively equipped with independently suction port, and all suction ports all are located in the common gas-entered passageway, is provided with one-way valve in the suction port position of each inflator pump; This one-way valve comprises and being clipped between the two-layer inflatable gasket outer membrane and parallel with it upper, middle and lower-ranking air valve film that the length unanimity of wherein said upper and lower air valve film, the length of middle level air valve film then are shorter than this upper and lower air valve film.
Trilamellar membrane air valve of the present utility model is by setting up middle level air valve film and prolonging the structure setting of upper and lower air valve film length, after inflation finishes, rely on the inside and outside differential pressure tail end of short middle level air valve film and the mutual jam-packed of another air valve film surface and form first and lock gas port, and the mutual jam-packed of tail end of the upper and lower air valve film that length prolongs, form second lock gas port, realize dual assurance at airtight in each inflator pump of inflatable gasket, improved the sealing reliability energy of product.
Description of drawings
Fig. 1 is the inflatable gasket perspective view in the utility model
Fig. 2 is the generalized section of single inflatable gasket air valve before inflation in the utility model
Fig. 3 is the generalized section of single inflatable gasket air valve after inflation in the utility model
Fig. 4 is inflatable gasket air valve shown in Figure 2 A-A cross sectional representation before inflation
Fig. 5 is inflatable gasket air valve shown in Figure 3 A-A cross sectional representation after inflation
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
In Fig. 1-5, each number designation is represented following implication:
The heat-resisting barrier layer of 1-, 3-suction port horizontal sealing line A, 4-suction port horizontal sealing line B, 6-inflator pump heat-sealing line, 7-passage air intake, 8-inflator pump afterbody horizontal sealing line, 9-air chamber, 12-inflatable gasket outer film B, 13-inflatable gasket outer film A, 14-air valve film, 15-hot pressing point, 16-air valve film B, 17-suction port, 18-air valve film C, the heat-resisting barrier layer of 21-, 22-air inlet of air chamber, 23-lock gas port A, 24-lock gas port B, 25-goes into the goods mouth, 26-passage hot pressing point.
Shown in Fig. 1-2: in the present embodiment, described inflatable gasket is by two layers of plastic thin films 12,13 thermo-compression bondings sealing forms, also be provided with some shielding wires 6 in the middle of the enclosed edge all around, 8, double-layer films hot pressing on this shielding wire is fixed, this inflatable gasket is divided into independently inflator pump of some air chambers, each inflator pump is respectively equipped with the independently suction port 17 corresponding with each passage air intake 7, all suction ports 17 all are located at by suction port horizontal sealing line 3, in the 4 common gas-entered passageways that are divided into, suction port 17 positions at each inflator pump are provided with one-way valve, this one-way valve comprises and is clipped in two-layer inflatable gasket outer membrane 12, between 13 and on parallel with it, in, following three layers of air valve film 14,16,18, on wherein said, lower air valve film 14,18 length unanimity, the length of middle level air valve film 16 then is shorter than on this, lower air valve film 14,18.The width of this air valve film 14,16,18 and inflatable gasket outer membrane 12,13 are wide, and its length is then less than the length of inflatable gasket outer membrane 12,13; On the air valve film 14 adjacent, be coated with heat-resisting barrier layer 21, in these heat-resisting barrier layer 21 zones, be provided with the weblike heat pressure point 15 that upper, middle and lower air valve film 14,16,18 and another inflatable gasket outer membrane 12 are bonded together towards air valve film 14 surfaces of this outer membrane 13 with inflatable gasket outer membrane 13.
Shown in Fig. 2,3, in inflatable gasket of the present utility model, the length of described upper and lower air valve film 14,18 is greater than the length of middle level air valve film 16.
When described inflatable gasket was of a size of common specification, the described length length of short air valve film 16 was 8～10 centimeters, and the length of two each and every one air valve films 14,18 is 12～15 centimeters in addition.
In order to guarantee that fully the inflatable gasket air valve is when inflating, air-flow can smooth and easyly enter air chamber 9 by suction port 17, in described gas-entered passageway and the air inlet position of each inflator pump suction port in, be coated with heat-resisting barrier layer 1 between the upper air valve film 16 and 18, arbitrary surfaces during this heat-resisting barrier layer 1 can spray between air valve film 16 and the upper air valve film 18, add man-hour in hot pressing like this, this heat-resisting barrier layer 1 can prevent effectively that middle level air valve film 16 and lower air valve film 14 from sticking together at suction port 17 positions.
For better separate at suction port 17 positions, middle air valve film 18,16, in the middle of described gas-entered passageway, along the inflator pump central shaft can also be provided with described down, the passage hot pressing point 26 that bonds together with described inflatable gasket outer membrane 13,12 respectively of middle air valve film 14,16 and described upper air valve film 18, that is by heat-resisting barrier layer 1 with upper air valve film 18 and in, lower floor's air valve film 16,14 separates.
Described weblike heat pressure point 15 is shaped as circular or square.
Described upper, middle and lower air valve film 14,16,18 can adopt plastics or plastic cement to make.
Inflatable gasket of the present utility model can be made plate shaped; place mat is around item to be protected; also can be as shown in Figure 1 with two ends are folding relatively end to end; with about each 4 side be hot pressed into one respectively; be made into the box-like gas flushing pouch of band opening (mouth of stocking up) 25, to make things convenient for holding and transporting of article.
Fig. 4-5 is respectively the A-A cross sectional representation of inflatable gasket air valve shown in Figure 2 before and after inflation, before to the inflatable gasket inflation, inflatable gasket outer membrane 12,13 be clipped in wherein on, in, lower air valve film 14,16, the 18th, stick together substantially parallel, after beginning to the inflatable gasket inflation, as seen from Figure 2, the high pressure draught that enters from public gas-entered passageway through the suction port 17 of each independent inflator pump enter in the inflator pump on, middle air valve film 18, between 16, slit between the weblike heat pressure point 15 is washed open, by last, middle air valve film 18, the suction port 22 of 16 tail ends enters in the air chamber 9, along with the gas in the air chamber 9 is slowly full, air chamber 9 bulging become shape as shown in Figure 4, and by in 12 tractions of inflatable gasket outer membrane, in, lower air valve film 14,16,18 to inflatable gasket outer membrane 12 1 lateral bucklings.When inflation finishes, after aeration gas flow is ended, air pressure in the air chamber 9 are far longer than, the air pressure between the middle air valve film 18,16, the surface of the tail end of middle level air valve film 16 and upper air valve film 18 is fully pushed and is adjacent under the effect of pressure reduction, form first lock gas port 23, and the mutual jam-packed of tail end of the upper and lower air valve film 18,14 that length prolongs forms second lock gas port 24, suction port 17 to 22 closures have effectively stoped gas leak (seeing also Fig. 3) in the air chamber 9.
In order to simplify hot pressing process, realize the once hot-forming of product, between the lower floor air valve film 14 adjacent with described inflatable gasket outer membrane 13, the heat-resisting barrier layer 21 that sprays towards air valve film 14 surfaces of this outer membrane 13, can guarantee in the manufacturing procedure of any inflatable gasket, on, in, lower air valve film 14,16,18 not can with the sticking together of inflatable gasket outer membrane 13, and then make on the whole, in, lower air valve film 14,16,18 in each inflator pump all towards inflatable gasket outer membrane 12 1 lateral bucklings, can not cause air valve film 14 because of different overbending directions, 16,18 transition regions between two inflator pumps form the dead angle, gap, have better guaranteed the tightness of inflatable gasket air valve after inflation finishes.
The heat-resisting barrier layers 21 of the air valve film 14 surface sprayings between lower floor's air valve film 14 and the adjacent inflatable gasket outer membrane 13 can effectively be avoided in the hot pressing air valve film 14,16,18 and 13 adhesions of inflatable gasket outer membrane being integral.Like this, when inflatable gasket is hot-forming, when stone, just upper, middle and lower air valve film 14,16,18 can be sandwiched between the upper and lower air cushion outer membrane 12,13, it is hot-forming with the mesh point of the individual layer air cushion outer membrane 12 that does not have heat-resisting barrier layer isolation to finish shielding wire hot pressing and air valve film 14,16,18 between edge sealing hot pressing, the inflator pump simultaneously through hotpress, reduce labour cost and expenses such as machine loss, electric energy, further reduced cost of goods manufactured.
Claims (8)
1, a kind of trilamellar membrane inflatable gasket air valve, described inflatable gasket is formed by thermo-compression bonding sealing around the two layers of plastic thin films, also be provided with some shielding wires in the middle of the enclosed edge all around, double-layer films hot pressing on this shielding wire is fixed, this inflatable gasket is divided into independently inflator pump of some air chambers, each inflator pump is respectively equipped with independently suction port, and all suction ports all are located in the common gas-entered passageway, is provided with one-way valve in the suction port position of each inflator pump; It is characterized in that: this one-way valve comprises and being clipped between the two-layer inflatable gasket outer membrane and parallel with it upper, middle and lower-ranking air valve film, the length unanimity of wherein said upper and lower air valve film, the length of middle level air valve film then are shorter than this upper and lower air valve film.
2, trilamellar membrane inflatable gasket air valve according to claim 1 is characterized in that: the width and the inflatable gasket outer membrane of this upper, middle and lower air valve film are wide, and its length is then less than the length of inflatable gasket outer membrane.
3, trilamellar membrane inflatable gasket air valve according to claim 1 and 2 is characterized in that: in the described upper and lower air valve film, the length length of short middle level air valve film is 8～10 centimeters, and the length of upper and lower air valve film is 12～15 centimeters.
4, trilamellar membrane inflatable gasket air valve according to claim 1 and 2, it is characterized in that: on the upper strata adjacent or lower floor's air valve film, be coated with heat-resisting barrier layer, in this heat-resisting barrier layer zone, be provided with the weblike heat pressure point that all air valve films and another inflatable gasket outer membrane are bonded together towards the air valve film surface of this outer membrane with the inflatable gasket outer membrane.
5, trilamellar membrane inflatable gasket air valve according to claim 1 and 2, it is characterized in that: in described gas-entered passageway, and the air inlet position of each inflator pump suction port on, in the air valve film or in, be provided with heat-resisting barrier layer between the lower air valve film, in the middle of described gas-entered passageway, be provided with on described along the inflator pump central shaft, in, the passage hot pressing point that lower air valve film and described inflatable gasket outer membrane bond together respectively, to go up by heat-resisting barrier layer, in air valve film and lower floor's air valve film separate, perhaps with the upper air valve film and in, lower floor's air valve film separates.
6, trilamellar membrane inflatable gasket air valve according to claim 4, it is characterized in that: in described gas-entered passageway, and the air inlet position of each inflator pump suction port on, in the air valve film or in, be provided with heat-resisting barrier layer between the lower air valve film, in the middle of described gas-entered passageway, be provided with on described along the inflator pump central shaft, in, the passage hot pressing point that lower air valve film and described inflatable gasket outer membrane bond together respectively, to go up by heat-resisting barrier layer, in air valve film and lower floor's air valve film separate, perhaps with the upper air valve film and in, lower floor's air valve film separates.
7, trilamellar membrane inflatable gasket air valve according to claim 4 is characterized in that: described weblike heat pressure point is shaped as circular or square.
8, trilamellar membrane inflatable gasket air valve according to claim 1 and 2 is characterized in that: described upper, middle and lower air valve film can adopt plastics or plastic cement to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132178 CN200975536Y (en) | 2006-08-14 | 2006-08-14 | Three layers film pneumatic pad air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132178 CN200975536Y (en) | 2006-08-14 | 2006-08-14 | Three layers film pneumatic pad air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200975536Y true CN200975536Y (en) | 2007-11-14 |
Family
ID=38901821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620132178 Expired - Fee Related CN200975536Y (en) | 2006-08-14 | 2006-08-14 | Three layers film pneumatic pad air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200975536Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658914A (en) * | 2012-04-28 | 2012-09-12 | 浙江福德尔新材料科技有限公司 | Unidirectional double-face valve type inflating packaging bag |
| CN102689743A (en) * | 2012-03-06 | 2012-09-26 | 上海艾尔贝包装科技发展有限公司 | Self-adhesive-film check valve and air packaging device |
| CN102726989A (en) * | 2012-03-06 | 2012-10-17 | 上海艾尔贝包装科技发展有限公司 | Inflatable cushion |
| CN104783559A (en) * | 2014-01-19 | 2015-07-22 | 上海艾尔贝包装科技发展有限公司 | Inflatable cushion and manufacturing method thereof |
| CN105752490A (en) * | 2016-04-18 | 2016-07-13 | 杭州亚辉包装科技有限公司 | Multi-layer inflation packaging film structure |
| CN106401274A (en) * | 2016-11-11 | 2017-02-15 | 郑晨 | Simple disaster protective cover |
-
2006
- 2006-08-14 CN CN 200620132178 patent/CN200975536Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925379A (en) * | 2012-03-06 | 2015-09-23 | 上海艾尔贝包装科技发展有限公司 | Self-film bonding check valve and air packing device |
| CN105662011A (en) * | 2012-03-06 | 2016-06-15 | 上海艾尔贝包装科技发展有限公司 | Inflatable cushion |
| CN102726989A (en) * | 2012-03-06 | 2012-10-17 | 上海艾尔贝包装科技发展有限公司 | Inflatable cushion |
| WO2013131388A1 (en) * | 2012-03-06 | 2013-09-12 | 上海艾尔贝包装科技发展有限公司 | Self-adhesive-film check valve and air packaging device |
| US10328892B2 (en) * | 2012-03-06 | 2019-06-25 | Shanghai Air-Paq Composite Material Co., Ltd. | Air bag packaging arrangement and self-adhesive checking valve thereof |
| CN102689743B (en) * | 2012-03-06 | 2015-08-26 | 上海艾尔贝包装科技发展有限公司 | Self binding film non return valve and air-packing device |
| CN102689743A (en) * | 2012-03-06 | 2012-09-26 | 上海艾尔贝包装科技发展有限公司 | Self-adhesive-film check valve and air packaging device |
| CN102726989B (en) * | 2012-03-06 | 2016-03-30 | 上海艾尔贝包装科技发展有限公司 | A kind of inflatable packer |
| CN104925379B (en) * | 2012-03-06 | 2017-09-01 | 上海艾尔贝包装科技发展有限公司 | Self binding film non return valve and air-packing device |
| CN102658914A (en) * | 2012-04-28 | 2012-09-12 | 浙江福德尔新材料科技有限公司 | Unidirectional double-face valve type inflating packaging bag |
| CN104783559B (en) * | 2014-01-19 | 2018-06-19 | 上海艾尔贝包装科技发展有限公司 | A kind of inflatable cushion and its manufacturing method |
| CN104783559A (en) * | 2014-01-19 | 2015-07-22 | 上海艾尔贝包装科技发展有限公司 | Inflatable cushion and manufacturing method thereof |
| CN105752490A (en) * | 2016-04-18 | 2016-07-13 | 杭州亚辉包装科技有限公司 | Multi-layer inflation packaging film structure |
| CN106401274A (en) * | 2016-11-11 | 2017-02-15 | 郑晨 | Simple disaster protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI AIERPAG PACKING MATERIAL CO., LTD. Free format text: FORMER OWNER: ZHENG DENG Effective date: 20100115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100115 Address after: Room 5, No. 1135, Lane 248, Baotou Road, Shanghai, Yangpu District, 200433 Patentee after: Shanghai Air-Paq Co., Ltd. Address before: No. 295, 6, Tianjin Road, Tianjin, Huangpu District: 200001 Patentee before: Zheng Cheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20110814 |