CN201463761U - Inflatable bag - Google Patents
Inflatable bag Download PDFInfo
- Publication number
- CN201463761U CN201463761U CN2009200779284U CN200920077928U CN201463761U CN 201463761 U CN201463761 U CN 201463761U CN 2009200779284 U CN2009200779284 U CN 2009200779284U CN 200920077928 U CN200920077928 U CN 200920077928U CN 201463761 U CN201463761 U CN 201463761U
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- China
- Prior art keywords
- sleeve
- gland
- air
- cylindrical shell
- coupler 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.)
- Expired - Fee Related
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an inflator bag, which comprises a sealing bag. An air tank for containing compressed air is arranged inside the sealing bag, the air tank is equipped with a normally closed air valve, an air ejector pipe is communicated with the air tank through an air valve, and the normally closed air valve can be opened so as to deflate air inside the air tank through the air ejector pipe when the air ejector pipe is pressed. The inflatable bag is characterized in that the end of the air tank is equipped with a sleeve, a gland is arranged inside the sleeve, the outer diameter of the gland matches with the inner diameter of the sleeve so as to lead the gland to axially move inside the sleeve, the gland is equipped with a through hole, the diameter of the through hole is smaller than that of the air ejector pipe, the wall of the air ejector pipe is abutted against the periphery of a through hole, and the inflatable bag further comprises a limiting device capable of fixing the gland when the gland moves to an appointed position. The inflatable bag can be used as an air spacer for blasting. The inflatable bag is firm and stable in structural design and connection, is not easy to be pressed during a conveying and storage process to cause air leakage, and then is safe and reliable.
Description
Technical field
The utility model relates to a kind of air bag.
Background technology
When mine blasting, need to make a call to an enough dark borehole at the mine massif earlier, again air bag is put into borehole 1-1.5 rice at the bottom of the hole.Above air bag, place explosive.Be filled with gas in the air bag, the gas of filling has the effect that improves demolition effect, saves explosive.
But air bag of the prior art in use, is put into assigned address with the air bag of sky earlier, and the gas compressor that re-uses ground is pressed into gas in the air bag by conduit.Such air bag uses inconvenience, needs long conduit.Can only earlier the channel interval device be put into assigned address, inflate, each step can only carry out in regular turn.And, air bag is put into assigned address often needs the long time when deep in the explosion hole, therefore just cause the whole operation process consuming time long.And, as on the mountain or during explosion from far-off regions, also need carry compressor in addition, troublesome poeration not only, and carry also inconvenient.Human and material resources expend too much, and efficient is low.
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, a kind of air bag that can be used as the explosion spacer that can inflate in put procedure to be provided.
For realizing above purpose, the utility model is achieved through the following technical solutions:
Air bag, comprise a sealing bag, the gas tank of a splendid attire compressed gas is arranged in the described sealing bag, described gas tank is provided with normally closed air valve, air jet pipe communicates with gas tank by air valve, and described air jet pipe can be opened normally closed air valve so that the gas in the gas tank is emitted by air jet pipe when being pressed; It is characterized in that:
The gas tank end is provided with sleeve;
In the described sleeve gland is set, the gland external diameter matches with sleeve diameter so that gland can move in sleeve vertically, and described gland is provided with through hole, and through-hole diameter is less than the air jet pipe diameter, and the air jet pipe tube wall is resisted against around the through hole; Also comprise the stopping means that after gland moves to assigned address, gland to be fixed.
Wherein, described stopping means is to be arranged on the coupler body on the gland and to be arranged on the step of sleeve lining, the coupler body composition stopping means that matches with step.
Wherein, described sleeve comprises a small sleeve and a big sleeve, and described small sleeve is connected by an arc sleeve with big sleeve, and gland is arranged in the small sleeve.
Wherein, described gland one end is provided with one first cylindrical shell, first cylindrical shell is provided with coupler body, coupler body radially extends to outside first cylindrical shell along first cylindrical shell, the both sides of the first cylindrical shell upper hook body are respectively arranged with groove, the small sleeve inwall is provided with one-level step at least, the described step composition stopping means that matches with coupler body.
Wherein, described coupler body number is more than two, arranges along the first cylindrical shell circumferencial direction.
Wherein, described coupler body is arc upwards.
Wherein, described coupler body comprise along first cylindrical shell radially extend outwards and with first drum shaft to vertical plane, also comprise an arcwall face, described arcwall face extends to first cylindrical shell from the end, plane.
Wherein, described step is more than the two-stage.
Wherein, a counterbore is set around the described gland through hole.
Wherein, described sleeve comprises a small sleeve and a big sleeve, and described small sleeve is connected by an arc sleeve with big sleeve, second cylindrical shell is set on the gland, external screw thread is set on the small sleeve, on second cylindrical shell internal thread is set, second barrel jacket is connected with small sleeve outside small sleeve and by screw thread.
Wherein, described sealing bag also is surrounded by one deck woven bag at least outward.
When the utility model uses, utilize gland that the gas tank air jet pipe is depressed certain distance, gas in the gas tank begins to emit, immediately sealing bag is put into the explosion hole, air bag is along with the gravity effect is fallen until assigned address, and in the dropping process, the gas in the gas tank is emitted gradually until being full of sealing bag and air bag being risen greatly, under the effect of sealing bag internal gas pressure, interior gas fixedly secures sealing bag in the precalculated position.In the utility model, can at first calculate venting speed, falling speed and the distance of fall of air bag in the explosion hole of gas tank, it be cooperatively interacted so that air bag rises when dropping to assigned address big to continuing the whereabouts.
Air bag in the utility model can be used as explosion channel interval device, can just begin to be the sealing bag inflation when beginning to put into the explosion hole, and can make that air bag is risen is big to continuing the whereabouts, has saved the time, the efficient height.Structural design of the present utility model, it is stable to be connected firmly, the transportation, deposit can not oppressed easily in the process and cause gas leakage.Safe and reliable.
Description of drawings
Fig. 1 is the utility model structural representation;
The gas tank structural representation of Fig. 2 for using in the utility model;
Fig. 3 installs sleeved gas tank structural representation in the utility model;
Fig. 4 is the tube-in-tube structure schematic diagram among the embodiment 1;
Fig. 5 is that quill among the embodiment 1 is to cut-away illustration;
Fig. 6 is the sleeve front elevational schematic among the embodiment 1;
Fig. 7 is the gland and the first tube structure schematic diagram among the embodiment 1;
Fig. 8 is that gland among the embodiment 1 and first drum shaft are to cut-away illustration;
Fig. 9 is the gland and the first cylindrical shell front elevational schematic among the embodiment 1;
Figure 10 is sleeve and the gland first user mode figure of embodiment 1;
Figure 11 is sleeve and the gland second user mode figure of embodiment 1;
Figure 12 is for implementing 2 the gland and first drum shaft to cut-away illustration;
Figure 13 is for implementing 3 the gland and first drum shaft to cut-away illustration;
Figure 14 is that the quill of embodiment 4 is to cut-away illustration;
Figure 15 is sleeve and the gland first user mode figure of embodiment 4;
Figure 16 is sleeve and the gland second user mode figure of embodiment 4;
Figure 17 is sleeve and the gland structure schematic diagram of embodiment 5;
The specific embodiment
Below in conjunction with accompanying drawing utility model is described in detail:
Embodiment 1
As shown in Figure 1, air bag comprises a sealing bag 1, and the gas tank 2 of a splendid attire compressed gas is arranged in the described sealing bag 1.
Be illustrated in figure 2 as the gas tank that uses in the utility model, gas tank 2 is provided with normally closed air valve (not shown), air jet pipe 21 communicates with gas tank 2 by air valve, be filled with gases at high pressure in the gas tank 1, normally closed air valve can be opened so that the gas in the gas tank 2 is emitted by air jet pipe 21 when air jet pipe 21 is pressed, this gas tank structure is a prior art.
Shown in Figure 3, gas tank 1 end is provided with sleeve 3.
As Fig. 4, Fig. 5, shown in Figure 6, sleeve 3 comprises a small sleeve 31 and a big sleeve 32, and small sleeve 31 is connected by an arc sleeve 33 with big sleeve 32.Small sleeve 31 inwalls are provided with one-level step 34, and step 34 is set, and make small sleeve 31 inwalls form the different two parts of diameter, and small sleeve 31 external diameters are d, and gland 4 as shown in Figure 7 is set in the small sleeve 31.
As Fig. 7, Fig. 8, shown in Figure 9, gland 4 is connected with first cylindrical shell 41, first cylindrical shell, 41 external diameters match with small sleeve 31 internal diameters and gland 4 can move in small sleeve 31 vertically, gland 4 is provided with through hole 43, through hole 43 diameters are less than air jet pipe 21 diameters, and air jet pipe 21 tube walls are resisted against around the through hole 43.
First cylindrical shell 41 is provided with coupler body 44, as shown in Figure 8, coupler body 44 radially extends to outside first cylindrical shell 41 along first cylindrical shell 41, the circle diameter D that coupler body 44 outer rings surround is slightly larger than the outside diameter d of small sleeve 31, coupler body 44 comprise along first cylindrical shell 41 radially extend outwards and with first drum shaft to vertical plane 46, also comprise an arcwall face 47,46 ends extend to first cylindrical shell 41 to arcwall face 47 from the plane, the both sides of first cylindrical shell, 41 upper hook bodies 44 are respectively arranged with groove 45, coupler body 44 numbers are more than two, arrange along first cylindrical shell, 41 circumferencial directions.
During use, as shown in figure 10, sleeve 3 is set in the gas tank end, and make air jet pipe be positioned at small sleeve 31, coupler body 44 radially firmly pushing with gland 4 towards first cylindrical shell, so that gland 4 can be pressed in the small sleeve 31, the coupler body place compressive deformation of first cylindrical shell and produce the elastic deformation force, when the coupler body 44 of gland 4 moved to step 34 places of small sleeve 31, the elastic deformation force made coupler body 44 make the plane 46 of coupler body be stuck in step 34 places after small sleeve 31 wall shifts move, at this moment, because coupler body 44 blocks, if gland 4 need move axially along small sleeve, then can only continue just to move forward towards gas tank, can't move backward.When not needing inflatable, coupler body 44 is positioned at step 44 places, and air jet pipe is resisted against on the gland 4 just, and gland 4 is not exerted pressure to air jet pipe, and air valve is in closed condition.In the time of need inflating for sealing bag, as shown in figure 11, with gland 4 along small sleeve 31 axially towards the gas tank direction with defeating, gland 4 compressing air jet pipes 21, make in the air jet pipe 21 part indentation gas tanks, air valve is opened, and the gas in the gas tank 2 is emitted via through holes 43 from air jet pipe and entered in the sealing bag.When coupler body 44 moved to small sleeve 31 ends, the elastic deformation force of first cylindrical shell 41 made coupler body 44 continue to move towards small sleeve 31 wall directions, is stuck in small sleeve 31 ends until coupler body 44.At this moment, because coupler body 44 is stuck in small sleeve 31 ends, gland 4 can only just move and can't move backward towards the gas tank direction forward, therefore can keep the lasting pressure of 4 pairs of air jet pipes of gland, air valve just is in open mode always, gas in the gas tank continues to charge in the sealing bag by air jet pipe and through hole 43, and the pressure in gas tank is identical with the air bag internal pressure.Can produce the elastic force that returns to the origin-location behind the air jet pipe pressurized, this elastic force can act on the gland, and moves owing to coupler body limits gland, even the air jet pipe pressurized produces elastic force, also still be subjected to the pressure of gland and can not return to the origin-location, thereby it is unimpeded to keep air jet pipe to continue.And gland is arranged in the small sleeve, and just can open air jet pipe when only being subjected to axial compressive force, therefore, in transportation, deposit in the process gland and can not be under pressure easily and oppress air jet pipe, transports, deposits safe and reliable.
In the present embodiment, sealing bag is outer can also outsourcing one woven bag.
Embodiment 2
Its difference from Example 1 is, as shown in figure 12, around the through hole 43 counterbore 48 is set on the gland 4, and counterbore 48 is set, and air jet pipe 21 can be inserted in counterbore 48 places, double swerve in the time of can limiting air jet pipe 21 pressurizeds like this and influence result of use.All the other structures are identical with embodiment.
Its difference from Example 1 is that as shown in figure 13, gas tank is positioned at the gland below, the arc of described coupler body 44 for being bent upwards.All the other structures are identical with embodiment 1.
Its difference from Example 1 is, as shown in figure 14, adopts a sleeve 5, and sleeve 5 inwalls are provided with two-stage step (51,52), makes sleeve 5 inwalls form three different parts of diameter.All the other structures are identical with embodiment 1.
Be first user mode of embodiment 4 as shown in figure 15, when not needing inflatable, coupler body 44 is positioned at step 51 places, and air jet pipe is resisted against on the gland 4 just, and gland 4 is not exerted pressure to air jet pipe, and air valve is in closed condition.In the time of need inflating for sealing bag, as shown in figure 16, with gland 4 along sleeve 5 axially towards the gas tank direction with defeating, gland 4 compressing air jet pipes, make in the air jet pipe part indentation gas tank, air valve is opened, and the gas in the gas tank 2 is emitted via through holes 43 from air jet pipe and entered in the sealing bag.When coupler body 44 moved to step 52 places, the elastic deformation force of first cylindrical shell 41 made coupler body 44 continue to move towards sleeve 5 wall directions, is stuck in step 52 places until coupler body 44.At this moment, because coupler body 44 is stuck in step 52 places, gland 4 can only just move and can't move backward towards the gas tank direction forward, therefore can keep the lasting pressure of 4 pairs of air jet pipes of gland, air valve just is in open mode always, gas in the gas tank continues to charge in the sealing bag by air jet pipe and through hole 43, and the pressure in gas tank is identical with the air bag internal pressure.
During use, need not when sealing bag is inflated, second cylindrical shell 49 is twisted are being located on the small sleeve 31, be screwed to when gland 4 props up air jet pipe and stop, 4 pairs of air jet pipes of gland are without any pressure, and the gas in the gas tank can not discharged; When needs were inflated for sealing bag, turn second cylindrical shell 49 made gland 4 move towards gas tank, and gland compressing air jet pipe makes in the air jet pipe part retraction gas tank, and air valve is opened, and gas is emitted in the gas tank.Since the elastic force direction that produces behind the air jet pipe pressurized along second drum shaft to, so, adopt when being threaded second cylindrical shell and small sleeve, the elastic force of air jet pipe can't eject gland, internal thread and external screw thread match and gland can be fixed.Therefore can keep the lasting pressure of 4 pairs of air jet pipes of gland, air valve just is in open mode always, and the gas in the gas tank continues to charge in the sealing bag by air jet pipe and through hole 43, and the pressure in gas tank is identical with the air bag internal pressure.
In the utility model, the structure of each embodiment can be carried out other combination on mutual reconcilable basis.
Embodiment in the utility model only is used for the utility model is described, and does not constitute the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in the utility model protection domain.
Claims (11)
1. air bag, comprise a sealing bag, the gas tank of a splendid attire compressed gas is arranged in the described sealing bag, described gas tank is provided with normally closed air valve, air jet pipe communicates with gas tank by air valve, and described air jet pipe can be opened normally closed air valve so that the gas in the gas tank is emitted by air jet pipe when being pressed; It is characterized in that:
The gas tank end is provided with sleeve;
In the described sleeve gland is set, the gland external diameter matches with sleeve diameter so that gland can move in sleeve vertically, and described gland is provided with through hole, and through-hole diameter is less than the air jet pipe diameter, and the air jet pipe tube wall is resisted against around the through hole; Also comprise the stopping means that after gland moves to assigned address, gland to be fixed.
2. air bag according to claim 1 is characterized in that, described stopping means is to be arranged on the coupler body on the gland and to be arranged on the step of sleeve lining, the coupler body composition stopping means that matches with step.
3. air bag according to claim 2 is characterized in that, described sleeve comprises a small sleeve and a big sleeve, and described small sleeve is connected by an arc sleeve with big sleeve, and gland is arranged in the small sleeve.
4. air bag according to claim 3, it is characterized in that, described gland one end is provided with one first cylindrical shell, first cylindrical shell is provided with coupler body, coupler body radially extends to outside first cylindrical shell along first cylindrical shell, the both sides of the first cylindrical shell upper hook body are respectively arranged with groove, and the small sleeve inwall is provided with one-level step at least, the described step composition stopping means that matches with coupler body.
5. air bag according to claim 4 is characterized in that, described coupler body number is more than two, arranges along the first cylindrical shell circumferencial direction.
6. according to the described air bag of the arbitrary claim of claim 2-5, it is characterized in that described coupler body is the crooked arc that makes progress.
7. according to the described air bag of the arbitrary claim of claim 2-5, it is characterized in that, described coupler body comprise along first cylindrical shell radially extend outwards and with first drum shaft to vertical plane, also comprise an arcwall face, described arcwall face extends to first cylindrical shell from the end, plane.
8. air bag according to claim 2 is characterized in that, described step is more than the two-stage.
9. air bag according to claim 2 is characterized in that, a counterbore that can hold air jet pipe is set around the described gland through hole.
10. air bag according to claim 1, it is characterized in that, described sleeve comprises a small sleeve and a big sleeve, described small sleeve is connected by an arc sleeve with big sleeve, second cylindrical shell is set on the gland, external screw thread is set on the small sleeve, on second cylindrical shell internal thread is set, second barrel jacket is connected with small sleeve outside small sleeve and by screw thread.
11. air bag according to claim 1 is characterized in that, described sealing bag also is surrounded by one deck woven bag at least outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779284U CN201463761U (en) | 2009-07-07 | 2009-07-07 | Inflatable bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779284U CN201463761U (en) | 2009-07-07 | 2009-07-07 | Inflatable bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463761U true CN201463761U (en) | 2010-05-12 |
Family
ID=42391112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200779284U Expired - Fee Related CN201463761U (en) | 2009-07-07 | 2009-07-07 | Inflatable bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201463761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019529A1 (en) * | 2010-08-12 | 2012-02-16 | Quan Fengqun | Pull-type gas separator |
| CN104457463A (en) * | 2014-11-18 | 2015-03-25 | 贵州新联爆破工程集团有限公司 | Blast auxiliary tool |
| CN105258584A (en) * | 2015-11-20 | 2016-01-20 | 葛洲坝易普力湖北昌泰民爆有限公司 | Air spacer |
-
2009
- 2009-07-07 CN CN2009200779284U patent/CN201463761U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019529A1 (en) * | 2010-08-12 | 2012-02-16 | Quan Fengqun | Pull-type gas separator |
| CN104457463A (en) * | 2014-11-18 | 2015-03-25 | 贵州新联爆破工程集团有限公司 | Blast auxiliary tool |
| CN105258584A (en) * | 2015-11-20 | 2016-01-20 | 葛洲坝易普力湖北昌泰民爆有限公司 | Air spacer |
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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: 20100512 Termination date: 20110707 |