CN201706190U - Quick connector structure of liquefied gas storage tank - Google Patents
Quick connector structure of liquefied gas storage tank Download PDFInfo
- Publication number
- CN201706190U CN201706190U CN2010202103940U CN201020210394U CN201706190U CN 201706190 U CN201706190 U CN 201706190U CN 2010202103940 U CN2010202103940 U CN 2010202103940U CN 201020210394 U CN201020210394 U CN 201020210394U CN 201706190 U CN201706190 U CN 201706190U
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- pipe joint
- liquefied gas
- rapid pipe
- gas tank
- set casing
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Abstract
The utility model is suitable for the field of pipe connection structures, and provides a quick connector structure of a liquefied gas storage tank for realizing fast assembly and connection between a pressure reducing valve and the liquefied gas storage tank. The quick connector structure comprises a quick connector hermetically connected to a liquefied gas storage tank and a quick connector seat hermetically connected to a pressure reducing valve; the quick connector seat and the quick connector adopt detachable and hermetical fast assembly and connection; a groove is formed on the side surface of the quick connector; and a locking component capable of being clamped in or moving out of the groove is arranged on the quick connector seat. In the quick connector structure of a liquefied gas storage tank provided by the utility model, since the groove is formed on the side surface of the quick connector, and the locking component capable of being clamped in or moving out of the groove is arranged on the quick connector seat, the liquefied gas storage tank and the pressure reducing valve can be quickly connected; when the quick connector structure is used, no rotation is required, that is, the identification of rotation direction is not required, and the liquefied gas storage tank can be easily connected with the pressure reducing valve without larger external force, therefore the use is very convenient, and the product reliability is good.
Description
Technical field
The utility model belongs to the pipe connecting structure field, relates in particular to a kind of liquefied gas tank quick coupling structure.
Background technique
Liquefied petroleum gas is a fuel very convenient for cleaning, and the liquefied gas tank of storing solution gasification has also had in daily productive life very widely to be used.High pressure liquefied gas in the liquefied gas tank must could be for uses such as household gas range or water heaters after decompression.Please refer to Fig. 1, a joint for fittings with internal threads 11 of liquefied gas tank 1 of the prior art ' be provided with '.When with the combustion gas in liquefied gas tank guiding gas cooker 2 ' or water heater etc. when using, need will with the externally threaded joint 31 of having of reduction valve 3 ' connection ' with described have internal thread 11 ' joint be connected.After the liquid gas in the liquefied gas tank uses up, need to change liquefied gas tank, of the prior art, the Placement of internal and external screw thread uses and is inconvenient, and the user is confused about the sense of rotation of joint usually, and in order to guarantee the sealing of joint.The user uses very big strength to screw internal and external screw thread by needs, connects inconveniently, and this can add the wearing and tearing of quick coupling, also is not easy in the future after the combustion gas in the liquefied gas tank is used up the dismounting of internal and external screw thread.
The model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of liquefied gas tank quick coupling structure is provided, and it can connect liquefied gas tank and reduction valve fast, and easy to use, product reliability is good.
The utility model is achieved in that a kind of liquefied gas tank quick coupling structure, be used to realize that the fast-assembling between reduction valve and the liquefied gas tank connects, it is characterized in that: comprise the rapid pipe joint that is sealedly attached to liquefied gas tank and be sealedly attached to the rapid pipe joint seat of reduction valve, be connected for detachable sealing fast-assembling between described rapid pipe joint seat and the described rapid pipe joint, the side of described rapid pipe joint offers groove, and described rapid pipe joint seat is provided with the locking member that can snap in or shift out described groove.
Particularly, described rapid pipe joint seat comprises air pipe, and described rapid pipe joint offers and can be installed with at least one elastic seal ring in the described holding cavity for the holding cavity of described air pipe insertion.
More specifically, described rapid pipe joint seat comprises first set casing, described air pipe is fixed in described first set casing, described rapid pipe joint comprises second set casing, described holding cavity is opened on described second set casing, also is installed with the elastic sealing ring that can replace for the front end of described air pipe in described second set casing.
Further, also being arranged with one in the described elastic sealing ring can be by the floating plug of described air pipe promotion, and described floating plug side offers vent, is provided with first elastic component between the described floating plug and second set casing.
Particularly; the described first set casing sidewall offers some through holes; described locking member activity is located in the described through hole; described locking member is a positioning ball; described groove is opened in the sidewall of first set casing, and described first set casing outside movable sheath is provided with a protecting jacket that can compress or unclamp described locking member.
Further, be movably equipped with the back-up ring that to replace described locking member in described first set casing, be provided with second elastic component between described back-up ring and described first set casing.
Further, be provided with a filter screen in the described rapid pipe joint seat.
Particularly, be threaded between described rapid pipe joint seat and the described reduction valve, described rapid pipe joint seat offers outside thread, and described reduction valve is provided with the internal thread that the outside thread with described rapid pipe joint seat is complementary.
More specifically, be threaded between described rapid pipe joint and the described liquefied gas tank, described rapid pipe joint offers outside thread, and described liquefied gas tank is provided with the internal thread that the outside thread with described rapid pipe joint is complementary.
Further, the end that is connected with liquefied gas tank of described rapid pipe joint is arranged with elastic seal cartridge.
A kind of liquefied gas tank quick coupling structure that the utility model provides, it is by offering groove in rapid pipe joint, the locking member that snaps in or shift out described groove is set on the rapid pipe joint seat, can connect liquefied gas tank and reduction valve fast, need not rotation during use, also just need not to distinguish sense of rotation, also need not to use big foreign minister just can easily liquefied gas tank be connected with reduction valve, use very conveniently, product reliability is good.
Description of drawings
Fig. 1 is the decomposing schematic representation of the joint structure between liquefied gas tank and the reduction valve in the prior art;
Fig. 2 is a kind of liquefied gas tank quick coupling structure that provides of the utility model embodiment and the decomposing schematic representation of liquefied gas tank and reduction valve;
Fig. 3 is the decomposing schematic representation of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 4 is the schematic perspective view of the rapid pipe joint of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 5 is the schematic perspective view of the rapid pipe joint seat of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 6 is another decomposing schematic representation of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 7 is the generalized section under the state that puts in place of not pegging graft of rapid pipe joint of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 8 is put in place a generalized section under the state of the grafting of the rapid pipe joint of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Fig. 9 is the generalized section of the rapid pipe joint of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment;
Figure 10 is the generalized section of the rapid pipe joint seat of a kind of liquefied gas tank quick coupling structure of providing of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Fig. 2, Fig. 3 and shown in Figure 6, a kind of liquefied gas tank quick coupling structure that the utility model embodiment provides, be used to realize the fast-assembling connection between liquefied gas tank 110 and the reduction valve 120 or be used to realize that the fast-assembling between liquefied gas tank 110 and the charging air inlet (not shown) connects, comprise rapid pipe joint 200 that is sealedly attached to liquefied gas tank 110 and the rapid pipe joint seat 300 that is sealedly attached to reduction valve 120, be connected for detachable sealing fast-assembling between described rapid pipe joint seat 300 and the described rapid pipe joint 200, the side of described rapid pipe joint 200 offers groove 201, and described rapid pipe joint seat 300 is provided with the locking member 410 (with reference to figure 7 and shown in Figure 8) that can snap in or shift out described groove 201.By such design, rapid pipe joint 200 is sealedly attached to liquefied gas tank 110, and rapid pipe joint seat 300 is sealedly attached to reduction valve 120, reduction valve 120 is connected in equipment such as gas cooker 130, gas water-heater by flexible pipe 140.When need are connected in rapid pipe joint seat 300 with rapid pipe joint 200, only need rapid pipe joint seat 300 is inserted in rapid pipe joint 200, locking member 410 will be clamped in the groove 201 this moment, make be connected between rapid pipe joint 200 and the rapid pipe joint seat 300 reliable, avoid it to get loose, compare with conventional construction of the prior art, liquefied gas tank 110 rapid pipe joints 200 structures that the utility model embodiment provides need not by using bigger external force rotation related components, also need not to discern sense of rotation, easy for installation, product ease for use and reliability are good.
Particularly, as Fig. 2, Fig. 4, Fig. 7 and shown in Figure 10, described rapid pipe joint seat 300 comprises air pipe 301, air pipe 301 adopts the metallic material manufacturing, described rapid pipe joint 200 offers can be for the holding cavity 202 of described air pipe 301 insertions, the intracavity inter-connection of holding cavity 202 and liquefied gas tank 110, be installed with at least one elastic seal ring 510 in the holding cavity 202, in the concrete structural design, can offer the draw-in groove that can fix elastic seal ring 510 in holding cavity 202 inboards, elastic seal ring 510 is for " O " shape seal ring and can be surrounded on air pipe 301 outsides, avoids liquid gas to ooze out between rapid pipe joint 200 and rapid pipe joint seat 300, and sealability is good.In the present embodiment, the quantity of elastic seal ring 510 is set to 3, and 3 elastic seal rings 510 are that (with reference to shown in Figure 9) is set at interval, and its sealability is very reliable.Preferably, elastic seal ring 510 adopts the rubber material manufacturing, its good springiness, and sealability is good.
More specifically, as Fig. 2 and Fig. 6～shown in Figure 9, described rapid pipe joint seat 300 comprises first set casing 310, described air pipe 301 is fixed in described first set casing 310, described rapid pipe joint 200 comprises second set casing 210, described holding cavity 202 is opened on described second set casing 210, also is installed with the elastic sealing ring 520 that can replace for the front end of described air pipe 301 in described second set casing 210.After grafting between rapid pipe joint 200 and the rapid pipe joint seat 300 put in place, the front end of air pipe 301 supported and terminates in (with reference to shown in Figure 8) on the elastic sealing ring 520, has further avoided the leakage of liquid gas, to improve security of products and reliability.Preferably, elastic sealing ring 520 adopts the rubber material manufacturing, its good springiness, and sealability is good.
Further, as Fig. 2 and Fig. 6～shown in Figure 9, also being arranged with one in the described elastic sealing ring 520 can be by the floating plug 420 of described air pipe 301 promotions, described floating plug 420 sides offer vent 421, be provided with first elastic component 230 between the described floating plug 420 and second set casing 210, when rapid pipe joint 200 is not plugged in the rapid pipe joint seat 300, floating plug 420 terminates on the elastic sealing ring 520 supporting under the effect of first elastic component 230, vent 421 fits with the inboard of elastic sealing ring 520 (with reference to shown in Figure 7), and this moment, liquid gas can not leak out by rapid pipe joint seat 300 from liquefied gas tank 110.Preferably, first elastic component 230 is a spring, can select standard elastic or volute spring for use.When rapid pipe joint 200 put in place with 300 grafting of rapid pipe joint seat, floating plug 420 moved after under air pipe 301 promotions, and vent 421 disengagings contact with elastic sealing ring 520, made liquid gas can flow through vent 421 (with reference to shown in Figure 8).
Particularly; as Fig. 2 and Fig. 6～shown in Figure 9; described first set casing, 310 sidewalls offer some through holes 311; described locking member 410 activities are located in the described through hole 311; described locking member 410 is a positioning ball; described groove 201 is opened in the sidewall of first set casing 310; described first set casing, 310 outside movable sheaths are provided with a protecting jacket 320 that can compress or unclamp described locking member 410; protecting jacket 320 madial walls are provided with a step surface; when protecting jacket 320 moves upward; protecting jacket 320 compresses locking member 410; locking member 410 protrudes in the madial wall of first set casing 310 and is clamped in the groove 201 in the rapid pipe joint 200 (with reference to shown in Figure 8); rapid pipe joint 200 is contacted reliably with rapid pipe joint seat 300, and be not easy to get loose, product reliability is good.When protecting jacket 320 moves downward; protecting jacket 320 unclamps locking member 410; locking member 410 protrudes in the outer side wall of first set casing 310 and the groove 201 from the rapid pipe joint 200 and shifts out, and rapid pipe joint 200 can separate fast with rapid pipe joint seat 300, dismantles very convenient.
Further,, be movably equipped with the back-up ring 330 that to replace described locking member 410 in described first set casing 310, be provided with second elastic component 340 between described back-up ring 330 and described first set casing 310 as Fig. 2 and Fig. 6～shown in Figure 9.Preferably, second elastic component 340 is a spring, can select standard elastic or volute spring for use.Under the effect of second elastic component 340, back-up ring 330 fits in the madial wall of first set casing 310 and can stop locking member 410 to protrude in the madial wall of first set casing 310, this moment, locking member 410 protruded in the outer side wall of first set casing 310, and protecting jacket 320 there is spacing effect, be provided with in the protecting jacket 320 and can make the protecting jacket 320 straight tube spring 350 of trend of motion that keeps up, and be provided with in the protecting jacket 320 and can block the only clamping mechanism (not shown) of protecting jacket 320; When rapid pipe joint seat 300 is inserted in rapid pipe joint 200; rapid pipe joint 200 is resisted against on the back-up ring 330; insertion along with rapid pipe joint 200; back-up ring 330 retreats synchronously; under the active force that protecting jacket 320 moves upward; locking member 410 protrudes in first set casing, 310 madial walls, stretching into the rapid pipe joints 200 of groove 201 chucking, is connected reliably between rapid pipe joint 200 and the rapid pipe joint seat 300.When needs take out rapid pipe joint 200 from rapid pipe joint seat 300; only with hand makes protecting jacket 320 to lower slider; when protecting jacket 320 slides down to lower dead center; clamping mechanism makes protecting jacket 320 relative first set casings 310 fixing; this moment, protecting jacket 320 unclamped locking member 410; under the reset response of the back-up ring 330 and second elastic component 340; back-up ring 330 upwards slides; locking member 410 shifts out and protrudes from first set casing, 310 outer side walls from groove 201; rapid pipe joint seat 300 is ejected in rapid pipe joint 200 automatically under the reset response of first back-up ring 330, product uses very convenient.When inserting rapid pipe joint 200 in the rapid pipe joint seat 300, the clamping mechanism releasing is fixing to protecting jacket 320, and protecting jacket 320 is moved upward under the effect of spring, and locking member 410 can be clamped in the groove 201 automatically, can realize that full automaticity connects.
Further, as Fig. 5～shown in Figure 9, be provided with a filter screen 610 in the described rapid pipe joint seat 300, with impurity screening.Additionally, filter screen 610 also can be fixed in the air pipe 301 in the rapid pipe joint 200.All belong to protection domain of the present utility model.
Particularly, as shown in Figures 2 and 3, be threaded between described rapid pipe joint seat 300 and the described reduction valve 120, described rapid pipe joint seat 300 offers outside thread, and described reduction valve 120 is provided with the internal thread that the outside thread with described rapid pipe joint seat 300 is complementary.
More specifically, as shown in Figures 2 and 3, be threaded between described rapid pipe joint 200 and the described liquefied gas tank 110, described rapid pipe joint 200 offers outside thread, and described liquefied gas tank 110 is provided with the internal thread that the outside thread with described rapid pipe joint 200 is complementary.
Further, as Fig. 2 and shown in Figure 7, the end that described rapid pipe joint 200 is connected with liquefied gas tank 110 is arranged with elastic seal cartridge 530, and to improve the sealability of product, reliability of products is good.Preferably, elastic seal cartridge 530 adopts the rubber material manufacturing, its good springiness, and sealability is good.
Particularly, as shown in Figures 2 and 3, described rapid pipe joint 200 is provided with first grip part 203 of being convenient to rotate described rapid pipe joint 200, described rapid pipe joint seat 300 is provided with second grip part 303 of being convenient to rotate described rapid pipe joint seat 300, and described first grip part 203 and second grip part 303 all are the positive multi-pyramid structure.So that instruments such as use wrench assemble product.
Product is when dispatching from the factory, rapid pipe joint seat 300 is threadedly connected to reduction valve 120, rapid pipe joint 200 is threadedly connected to liquefied gas tank 110, but user's bulk/volume buying rapid pipe joint seat 300, rapid pipe joint 200, also rapid pipe joint seat 300 and reduction valve 120 be can buy separately, or quick coupling 200 and liquefied gas tank 110 bought separately.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. liquefied gas tank quick coupling structure, be used to realize that the fast-assembling between reduction valve and the liquefied gas tank connects, it is characterized in that: comprise the rapid pipe joint that is sealedly attached to liquefied gas tank and be sealedly attached to the rapid pipe joint seat of reduction valve, be connected for detachable sealing fast-assembling between described rapid pipe joint seat and the described rapid pipe joint, the side of described rapid pipe joint offers groove, and described rapid pipe joint seat is provided with the locking member that can snap in or shift out described groove.
2. a kind of liquefied gas tank quick coupling structure as claimed in claim 1, it is characterized in that: described rapid pipe joint seat comprises air pipe, described rapid pipe joint offers and can be installed with at least one elastic seal ring in the described holding cavity for the holding cavity of described air pipe insertion.
3. a kind of liquefied gas tank quick coupling structure as claimed in claim 1, it is characterized in that: described rapid pipe joint seat comprises first set casing, described air pipe is fixed in described first set casing, described rapid pipe joint comprises second set casing, described holding cavity is opened on described second set casing, also is installed with the elastic sealing ring that can replace for the front end of described air pipe in described second set casing.
4. a kind of liquefied gas tank quick coupling structure as claimed in claim 3, it is characterized in that: also being arranged with one in the described elastic sealing ring can be by the floating plug of described air pipe promotion, described floating plug side offers vent, is provided with first elastic component between the described floating plug and second set casing.
5. a kind of liquefied gas tank quick coupling structure as claimed in claim 3; it is characterized in that: the described first set casing sidewall offers some through holes; described locking member activity is located in the described through hole; described locking member is a positioning ball; described groove is opened in the sidewall of first set casing, and described first set casing outside movable sheath is provided with a protecting jacket that can compress or unclamp described locking member.
6. a kind of liquefied gas tank quick coupling structure as claimed in claim 5 is characterized in that: be movably equipped with the back-up ring that can replace described locking member in described first set casing, be provided with second elastic component between described back-up ring and described first set casing.
7. as each described a kind of liquefied gas tank quick coupling structure in the claim 1 to 6, it is characterized in that: be provided with a filter screen in the described rapid pipe joint seat.
8. as each described a kind of liquefied gas tank quick coupling structure in the claim 1 to 6, it is characterized in that: be threaded between described rapid pipe joint seat and the described reduction valve, described rapid pipe joint seat offers outside thread, and described reduction valve is provided with the internal thread that the outside thread with described rapid pipe joint seat is complementary.
9. as each described a kind of liquefied gas tank quick coupling structure in the claim 1 to 6, it is characterized in that: be threaded between described rapid pipe joint and the described liquefied gas tank, described rapid pipe joint offers outside thread, and described liquefied gas tank is provided with the internal thread that the outside thread with described rapid pipe joint is complementary.
10. as each described a kind of liquefied gas tank quick coupling structure in the claim 1 to 6, it is characterized in that: the end that described rapid pipe joint is connected with liquefied gas tank is arranged with elastic seal cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202103940U CN201706190U (en) | 2010-05-31 | 2010-05-31 | Quick connector structure of liquefied gas storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202103940U CN201706190U (en) | 2010-05-31 | 2010-05-31 | Quick connector structure of liquefied gas storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706190U true CN201706190U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202103940U Expired - Fee Related CN201706190U (en) | 2010-05-31 | 2010-05-31 | Quick connector structure of liquefied gas storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706190U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654010A (en) * | 2015-03-02 | 2015-05-27 | 刘书雄 | External connection pipe of gas tank |
| CN105783041A (en) * | 2016-03-09 | 2016-07-20 | 宁夏宝塔石化科技实业发展有限公司 | Back-fire preventing device of gas stove |
| CN107036768A (en) * | 2017-04-13 | 2017-08-11 | 东莞东晟磁电磁控技术有限公司 | A kind of air tightness detection mechanism of the electromagnet of separation under water |
| CN108006434A (en) * | 2017-12-29 | 2018-05-08 | 国网河北省电力有限公司衡水供电分公司 | SF6 equipment aerating devices with self-sealing function |
-
2010
- 2010-05-31 CN CN2010202103940U patent/CN201706190U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654010A (en) * | 2015-03-02 | 2015-05-27 | 刘书雄 | External connection pipe of gas tank |
| CN105783041A (en) * | 2016-03-09 | 2016-07-20 | 宁夏宝塔石化科技实业发展有限公司 | Back-fire preventing device of gas stove |
| CN107036768A (en) * | 2017-04-13 | 2017-08-11 | 东莞东晟磁电磁控技术有限公司 | A kind of air tightness detection mechanism of the electromagnet of separation under water |
| CN108006434A (en) * | 2017-12-29 | 2018-05-08 | 国网河北省电力有限公司衡水供电分公司 | SF6 equipment aerating devices with self-sealing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20150531 |
|
| EXPY | Termination of patent right or utility model |