CN202833056U - Inflating device for double balloons - Google Patents
Inflating device for double balloons Download PDFInfo
- Publication number
- CN202833056U CN202833056U CN 201220410058 CN201220410058U CN202833056U CN 202833056 U CN202833056 U CN 202833056U CN 201220410058 CN201220410058 CN 201220410058 CN 201220410058 U CN201220410058 U CN 201220410058U CN 202833056 U CN202833056 U CN 202833056U
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- China
- Prior art keywords
- air
- air bag
- rubber ball
- parent tube
- gas transmission
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- 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
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Abstract
The utility model provides an inflating device for double balloons and belongs to the field of medical product accessories. The inflating device for the double balloons comprises a rubber ball, the rear end of the rubber ball is provided with a unidirectional air inlet valve, and an air base pipe extends from the front end of the rubber ball. Two branch pipes are formed at the rear end of the air base pipe, each of the branch pipes is connected with an air nozzle through a hose, and a vent valve is arranged on the air base pipe. The inflating device can automatically adjust the inflation speed of each balloon according to the air storage condition, thereby evenly increasing the air storage of each balloon and enabling the double-balloon structure to achieve a uniform ballooning level.
Description
Technical field
The utility model relates to medical product accessory field, particularly, is a kind of pair of gas generator for air bag.
Background technique
Air bag is used very extensive, multiplex in products such as cushion, mattresses at medical field.And for foldable medical mat, the inside comprises a more than air cushion usually; As for the conjoined cushion that comprises place mat and back cushion, just respectively comprise an air cushion in its place mat and the back cushion.Generally speaking, in can turning down the air cushion product, two air cushion structures are more.
For the inflation of air bag, main employing is the rubber ball device of hand-held at present, and the rear end of rubber ball is a breather cheek valve, and front end is then drawn pneumatic tube, and the pneumatic tube end is provided with charging air inlet, is used for connecting the valve that connects of air bag.On the comparatively high-grade pneumatic tube of rubber ball inflator, also be provided with a small-sized vent valve that is consisted of by bolt, the turn bolt, the aperture that can regulate vent valve, thus regulate aeration speed.Enlightenment based on this structure, for the device that need to inflate simultaneously two air bags, should be as shown in Figure 1, rubber ball 1 rear end is breather cheek valve 10, front end is drawn a gas transmission parent tube 2, this gas transmission parent tube 2 is told two bifurcated pipes 21 in the rear end, each bifurcated pipe 21 is connected to charging air inlet 5 by a flexible pipe 4; Because inflate an air bag respectively on each turnout 21, and the gas storage state of each air bag is usually not identical, therefore, in order to adapt to the difference of this kind gas storage state, respectively establishes a small-sized vent valve 3 that is made of bolt on two turnouts 21.During use, as find that the first air bag is comparatively flat soft, and the second air bag is comparatively during bulging, then the vent valve 3 on the corresponding bifurcated pipe 21 of the first air bag is opened greatly, vent valve on the corresponding turnout of the second air bag is opened less, thereby be adapted to the gas storage state of two air bags, make flat soft air bag intake velocity more greatly, and make the air bag intake velocity of bulging less.
Yet under many circumstances, the gas storage state difference of two air bags is very not obvious, for bladder shape, the different situation of size script, especially which air bag of impalpable more bulging some, in the case, the user will be difficult to judge how this regulates two vent valves.
Therefore the inflation problem remains a technical barrier at present in the time of for double-air sac structure.
The model utility content
For the problems referred to above, the purpose of this utility model is to provide a kind of pair of gas generator for air bag, this device can be according to the gas storage state of each air bag, Self-adjustment is to the aeration speed of each air bag, thereby the gas-storing capacity of each air bag is balancedly increased, make final double-air sac structure reach the bulging degree of uniformity.
The technological scheme that its technical problem that solves the utility model adopts is: this pair gas generator for air bag comprises rubber ball; Described rubber ball rear end is provided with breather cheek valve; Described rubber ball front end is drawn a gas transmission parent tube; Two bifurcated pipes are told in described gas transmission parent tube rear end, and each bifurcated pipe is connected to charging air inlet by a flexible pipe; Described gas transmission parent tube is provided with a vent valve.
As preferably, described vent valve is made of a stove bolt; Further, between the outer tube wall of the nut of described stove bolt and described gas transmission parent tube, also be provided with a stage clip on the double-screw bolt that is placed on stove bolt, and described stage clip does not consist of constraint to the limit position of described stove bolt in described gas transmission parent tube.
As preferably, described flexible pipe is that the rubber tube of 0.5 ~ 1.2mm consists of by wall thickness, and when inflation pressure is excessive, that is when pressure is excessive in the air bag, described flexible pipe will under large pressure state the tube wall bulging occur, and is at this moment, can the prompting user inflation complete.
The beneficial effects of the utility model are: this pair gas generator for air bag is in gas replenishment process, and the air-flow that is produced by the pinching rubber ball flows to the respectively charging air inlet of correspondence of two air bags simultaneously; Air pressure in an air bag is larger, and the air pressure in another air bag is less, that is, an air bag bulging, under the flat soft situation of another air bag, the larger air bag of air pressure inside will be greater than the resistance of the less air bag of air pressure inside for charge air flow for the resistance of charge air flow, therefore, the air bag that air pressure inside is less, will make described gas transmission parent tube, two bifurcated pipes, the air pressure clamper of the air-flow body that is interconnected between two flexible pipes is pressed for the resistance of charge air flow at the less air bag of air pressure inside, so that aeration gas flow is not enough to back down the corresponding valve that connects of the larger air bag of air pressure inside, and preferentially flow into the less air bag of air pressure inside, until the nearly balance of interior crimping of two air bags, and then flow into respectively two air bags, until two air bags are by uniform balance ground gassy; Described vent valve then is to regulate the mean velocity that two air bags are inflated, and when two air bags during all near full state, the inflation resistance is obviously strengthened, and then turns vent valve down, namely turns aeration speed down, is conducive to further be filled with air.The utility model has not only been saved a vent valve than present two gas generator for air bag, and has improved the inflation effect.
Description of drawings
Fig. 1 is the structural representation of present two gas generator for air bag.
Fig. 2 is the structural representation of two gas generator for air bag of providing of the utility model.
Fig. 3 is embodiment's schematic representation of vent valve.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified:
In the embodiment shown in Figure 2, this pair gas generator for air bag comprises rubber ball 1; Described rubber ball 1 rear end is provided with breather cheek valve 10; Described rubber ball 1 front end is drawn a gas transmission parent tube 2; Two bifurcated pipes 21 are told in described gas transmission parent tube 2 rear ends, and each bifurcated pipe 21 is connected to charging air inlet 5 by a flexible pipe 4; Described gas transmission parent tube 2 is provided with a vent valve 3.
In the present embodiment, the structure of described vent valve 3 is made of a stove bolt as shown in Figure 3; The screw of offering on screw thread on the double-screw bolt 32 of described stove bolt and gas transmission parent tube 2 tube walls is complementary, and the rotation stove bolt can make it in 2 interior rising or the declines of gas transmission parent tube, thereby realizes the adjusting to the aperture of vent valve 3; In addition, between the nut 31 of described stove bolt and the outer tube wall of described gas transmission parent tube 2, also be provided with a stage clip 6 on the double-screw bolt 32 that is placed on stove bolt, and, described stage clip 6 does not consist of constraint to the limit position of described stove bolt in described gas transmission parent tube 2, that is when the double-screw bolt 32 of stove bolt arrived at it to right gas transmission parent tube 2 inwall fully, described stage clip 6 not yet was compressed to minimum length.Because gas transmission parent tube 2 is thinner, the adjustable range of stove bolt is shorter, therefore externally substantially can not open the current aperture of vent valve 3, and therefore, after stage clip 6 was set, the resistance in the time of can be from the rotation stove bolt judged that what aperture vent valve 3 roughly be in; For this reason, the [coefficient of of stage clip 6 is advisable with 5N/mm ~ 15N/mm.
In addition, described flexible pipe 4 is that the rubber tube of 0.5 ~ 1.2mm consists of by wall thickness, and when inflation pressure is excessive, that is when pressure is excessive in the air bag, described flexible pipe 4 will under large pressure state the tube wall bulging occur, and is at this moment, can the prompting user inflation complete.
Two gas generator for air bag that the utility model provides are in gas replenishment process, and the air-flow that is produced by pinching rubber ball 1 flows to the respectively charging air inlet of correspondence of two air bags simultaneously; Air pressure in an air bag is larger, and the air pressure in another air bag is less, that is, an air bag bulging, under the flat soft situation of another air bag, the larger air bag of air pressure inside will be greater than the resistance of the less air bag of air pressure inside for charge air flow for the resistance of charge air flow, therefore, the air bag that air pressure inside is less, will make described gas transmission parent tube 2, two bifurcated pipes 21, the air pressure clamper of the air-flow body that is interconnected between two flexible pipes 4 is pressed for the resistance of charge air flow at the less air bag of air pressure inside, so that aeration gas flow is not enough to back down the corresponding valve that connects of the larger air bag of air pressure inside, and preferentially flow into the less air bag of air pressure inside, until the nearly balance of interior crimping of two air bags, and then flow into respectively two air bags, until two air bags are by uniform balance ground gassy; Described vent valve 3 then is to regulate the mean velocity that two air bags are inflated, and when two air bags during all near full state, the inflation resistance is obviously strengthened, and then turns vent valve 3 down, namely turns aeration speed down, is conducive to further be filled with air.The utility model has overcome technology prejudice to a certain extent than present two gas generator for air bag, has saved a vent valve, and easy to a great extent operation, and has improved the inflation effect, has obtained outstanding substance progress.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. two gas generator for air bag, this pair gas generator for air bag comprises rubber ball (1); Described rubber ball (1) rear end is provided with breather cheek valve (10); Described rubber ball (10) front end is drawn a gas transmission parent tube (2); Two bifurcated pipes (21) are told in described gas transmission parent tube (2) rear end, and each bifurcated pipe (21) is connected to charging air inlet (5) by a flexible pipe (4), it is characterized in that: described gas transmission parent tube (2) is provided with a vent valve (3).
2. according to claim 1 pair of gas generator for air bag, it is characterized in that: described vent valve (3) is made of a stove bolt.
3. according to claim 2 pair of gas generator for air bag, it is characterized in that: between the outer tube wall of the nut of described stove bolt (31) and described gas transmission parent tube (2), also be provided with a stage clip (6) on the double-screw bolt (32) that is placed on stove bolt, and described stage clip (6) does not consist of constraint to the limit position of described stove bolt in described gas transmission parent tube (2).
4. according to claim 1 pair of gas generator for air bag is characterized in that: described flexible pipe (4) is that the rubber tube of 0.5 ~ 1.2mm consists of by wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410058 CN202833056U (en) | 2012-08-19 | 2012-08-19 | Inflating device for double balloons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410058 CN202833056U (en) | 2012-08-19 | 2012-08-19 | Inflating device for double balloons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833056U true CN202833056U (en) | 2013-03-27 |
Family
ID=47944777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410058 Expired - Fee Related CN202833056U (en) | 2012-08-19 | 2012-08-19 | Inflating device for double balloons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833056U (en) |
-
2012
- 2012-08-19 CN CN 201220410058 patent/CN202833056U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130819 |