CN202302460U - Connector of gas pipe - Google Patents
Connector of gas pipe Download PDFInfo
- Publication number
- CN202302460U CN202302460U CN2011203944011U CN201120394401U CN202302460U CN 202302460 U CN202302460 U CN 202302460U CN 2011203944011 U CN2011203944011 U CN 2011203944011U CN 201120394401 U CN201120394401 U CN 201120394401U CN 202302460 U CN202302460 U CN 202302460U
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- Prior art keywords
- joint
- sleeve
- locating piece
- pipe
- interior
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Abstract
The utility model provides a connector of a gas pipe, which belongs to the technical field of machinery and solves the problem that an existing gas pipe connector leaks gas easily. The gas pipe comprises a flexible inner pipe and an outer pipe of a metal corrugated pipe sleeved on the outer side of the inner pipe. The connector is connected to the end of the inner pipe and the end of the outer pipe simultaneously and comprises a barrel-shaped inner locating piece, a barrel-shaped outer locating piece and a barrel-shaped sleeve, thereby the inner locating piece is used for being fixed on the inner side of the inner pipe, and the outer locating piece is used for being fixed between the inner pipe and the outer pipe. The outer locating piece is sleeved on the inner locating piece, the inner end of the inner locating piece and the inner end of the outer locating piece are both located at one end in the sleeve, the outer end the inner locating piece and the outer end of the outer locating piece can be respectively connected with the inner pipe and the outer pipe, and the other end of the sleeve is provided with a clamping piece for being connected with the connector end of a pressure reducing valve. The connector of the gas pipe has the advantages of being convenient to connect and good in sealing performance.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the joint of a kind of pipe coupling, particularly a kind of fuel tube.
Background technique
Be being connected of existing gas can and reduction valve directly to realize, and connect the source of the gas of gas cooker therefrom through the threaded connector on the rotation circle body.Adopt this linkage structure; When the canned combustion gas of each replacing, all need nearly ten circles of rotary threaded link could satisfy dismounting and installation, sometimes because of the bayonet socket phenomenon occurring; Rotate once more and need reorientate threaded connector; Dismounting and the operation of installing bother, and the easy damaged screw of bayonet socket phenomenon that is occurred, and influence its working life.
For this situation, people have recognized this deficiency, and carry out improvement, the safe connection structure [application number: 200910217323.5 of a kind of fuel tube that openly proposes like the Chinese patent documents and materials; Patent publication No.: CN101749502A]; The safe connection structure of this fuel tube be arranged on fuel tube with threaded ends with the asking of the INSERTTYPE connecting head that will be connected; The surface of INSERTTYPE connecting head has ripple; Be socketed with a nut on the INSERTTYPE connecting head; The connecting end of fuel tube is placed on the INSERTTYPE connecting head and is connected with nut through screw thread, be socketed with on the INSERTTYPE connecting head one can with the INSERTTYPE connecting head external waviness collar of clamping mutually, collar is between the connecting end of shade and fuel tube of nut; Collar has several claws, and is being provided with the structure that above-mentioned claw is shunk between nut and the collar.But the safe connection structure of this fuel tube directly is inserted into collar one side with the relief valve seam end claw is opened when connecting, need be than high thrust during connection and easily collar is caused damage; When the relief valve seam end was inserted into tubular Sealing, the distortion of Sealing was not pushed the relief valve seam end toward inserted sleeve the inner, when the relief valve seam end is not inserted into, was easy to generate gas leakage.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of joint of fuel tube of easy to connect, good airproof performance.
The purpose of the utility model can realize through following technical proposal: a kind of joint of fuel tube; Fuel tube comprises flexible interior pipe and is enclosed within the outer tube of the metal bellows in the interior pipe outside; The end of pipe and outer tube in this joint is connected in simultaneously; It is characterized in that; This joint comprises and is used for fixing the inboard tubular interior locating piece of pipe and is used for fixing tubular outside fix part and the tubular sleeve between interior pipe and outer tube; On the locating piece and the inner of interior locating piece and outside fix part all was positioned at the interior end of sleeve in above-mentioned outside fix part was enclosed within, and the outer end of interior locating piece and outside fix part can link with above-mentioned interior pipe, outer tube respectively, and the said sleeve the other end has and is used for the shackle member that links with the relief valve seam end.
When assembling; One end of interior pipe and interior locating piece is linked, and communicating with interior pipe of feasible interior locating piece is enclosed within the outside fix part on the interior locating piece again; And the inwall that makes the outside fix part seals mutually with the outer wall of interior pipe and is connected, and the inwall of outer tube is linked to each other with the outer wall of outside fix part; Again its integral body being passed the inner that sleeve makes the outside fix part is positioned on the end in the sleeve; Because the other end of sleeve has the shackle member that links with the relief valve seam end; In use; Directly be connected through the relief valve seam end, on the locating piece, can supply people normally to use in through shackle member the relief valve seam end being connected to interior locating piece.
In the joint of above-mentioned fuel tube; Described shackle member comprises the tubular location cylinder that is fixed on sleeve the other end port; Said location cylinder inboard is fixed with and is circular and the rubber-like jump ring, and said jump ring inboard has the gear piece of some inclinations, also is provided with tubular pressure cap in the said location cylinder; Location cylinder is stretched out in said pressure cap outer end, and pressure cap the inner is resisted against on the gear piece of jump ring.
When the joint of this fuel tube and relief valve seam end link, pressure cap is pushed in location cylinder, because jump ring is fixed on the location cylinder inboard; When the inner of pressure cap is pushed jump ring; The gear piece of jump ring opens, and makes the relief valve seam end pass gear piece and also to interior locating piece, relief valve seam is connected with interior locating piece, unclamps pressure cap this moment; This moment is under the effect of elastic force; Gear piece blocks the annular groove of relief valve seam end, and the joint of fuel tube and relief valve seam end are linked, and the relief valve seam end is difficult for from the joint of this fuel tube, coming off; When needs are dismantled, pressure cap to be pushed in location cylinder, gear piece opened and broke away from from the annular groove of relief valve seam end this moment, the joint of this fuel tube was taken out from the relief valve seam end get final product, and had installation and removal advantage easily.
In the joint of above-mentioned fuel tube, described location cylinder inboard has the retaining edge of protrusion, and said pressure cap the inner has the shoulder block of protrusion and is resisted against on the retaining edge at shoulder block under the elastic force effect of above-mentioned jump ring.Jump ring is fixed on the location cylinder inboard, and the elastic force through jump ring is resisted against retaining that the location cylinder inboard has protrusion along last with the pressure cap shoulder block, makes pressure cap be difficult for spinning off from location cylinder.
In the joint of above-mentioned fuel tube, described location cylinder is made up of cylindrical shell one and cylindrical shell two, and above-mentioned retaining is along being positioned on the cylindrical shell one, and said cylindrical shell two inboards have the guide surface identical with the gear piece true dip direction.Connect when perhaps dismantling the joint of this fuel tube, the extruding pressure cap, gear piece is under the effect of pressure cap extruding force at this moment, and the guide surface of cylindrical shell two is abdicated the space of gear piece toward outer incline, makes the relief valve seam end can pass jump ring.
In the joint of above-mentioned fuel tube, the other end that described interior locating piece links to each other with interior pipe is conical, and is with the rubber-like clamping sleeve at the interior locating piece the other end.In the relief valve seam end passes jump ring and arrives in the joint two of locating piece the time; Joint two opens; And the extruding clamping sleeve, clamping sleeve and joint two are fixed on the relief valve seam end in the interior locating piece under the effect of elastic force; And the relief valve seam end pushed toward the inner of interior locating piece, increased the sealing of relief valve seam end and interior locating piece.
In the joint of above-mentioned fuel tube, the inboard and interior locating piece the other end of described clamping sleeve outside tapering is complementary.Inboard and the interior locating piece the other end of clamping sleeve outside tapering is complementary, and when interior locating piece the other end inside receives the extruding of relief valve seam end, makes clamping sleeve can produce deformation preferably, and the relief valve seam end is fixed in the interior locating piece; When the joint not of this fuel tube used, clamping sleeve did not produce deformation, had long working life.
In the joint of above-mentioned fuel tube, described interior locating piece is made up of joint one and joint two, has the connecting rings of some protrusions that tilt ringwise on the joint one, and joint two is taper shape and joint one axially is connected with joint two.When interior locating piece linked to each other with interior pipe, joint connect always and is inserted into inner tube wall, owing to have the connecting ring that annular tilts to protrude on the joint one, made joint one produce the better seal effect and be connected comparatively firm with inner tube wall; When the joint of this fuel tube is communicated with the relief valve seam end, relief valve seam end extruding joint two, because joint two is conical, the conical pressure that the relief valve seam end is pushed toward the inner that produces has switching performance preferably; Interior locating piece adopts elastic material to process, so joint two can link to each other with the relief valve seam end of different-diameter size, has increased the joint using scope of this fuel tube.
In the joint of above-mentioned fuel tube, described sleeve place also has sleeve pipe, and sleeve pipe one end is connected in the sleeve, and the sleeve pipe the other end stretches out sleeve and can outer tube be covered.One end of sleeve pipe is fixed in the sleeve, and its other end covers outer tube, has beautiful shape, and has the better seal performance.
In the joint of above-mentioned fuel tube, the outside of described sleeve pipe one end has the location shoulder of protrusion ringwise, and the inner inboard of said sleeve has the retaining rank of annular protrusion, and above-mentioned location shoulder is pressed between retaining rank and the outside fix part.Be pressed between retaining rank and the outside fix part through the location shoulder, can sleeve pipe be securely fixed in the sleeve.
Compared with prior art, the joint of this fuel tube has the following advantages:
1, is conical joint two through setting and cooperates with clamping sleeve the relief valve seam end is fixed in the joint two, make this joint when connecting, have better seal property;
2, through the extruding pressure cap gear piece of jump ring is opened, make the relief valve seam end can pass shackle member and abut on the joint two; Unclamp pressure cap the relief valve seam end is connected with this joint mutually, have advantage easy to connect;
3, interior locating piece adopts elastic material to process, and joint two can be linked to each other with the relief valve seam end of different-diameter size, has increased the joint using scope of this fuel tube.
Description of drawings
Fig. 1 is the sectional view of the joint of this fuel tube.
Among the figure, 1, interior pipe; 2, outer tube; 3, interior locating piece; 3a, joint one; 3a 1, connecting ring; 3b, joint two; 4, outside fix part; 5, sleeve; 5a, retaining rank; 6, shackle member; 6a, location cylinder; 6a1, cylindrical shell one; 6a 11, retaining edge; 6a2, cylindrical shell two; 6a21, guide surface; 7, jump ring; 7a, gear piece; 8, pressure cap; 8a, shoulder block; 9, clamping sleeve; 10, sleeve pipe; 10a, location shoulder.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1; A kind of joint of fuel tube; Fuel tube comprises the outer tube 2 of flexible interior pipe 1 and the metal bellows that is enclosed within interior pipe 1 outside, the end of pipe 1 and outer tube 2 in this joint is connected in simultaneously, and this joint comprises all tubular interior locating piece 3, outside fix part 4, sleeve 5 and sleeve pipe 10.
Interior locating piece 3 is made up of joint one 3a and joint two 3b; Joint one 3a is connected with interior pipe 1 mutually; The connecting ring 3a1 that has some protrusions that tilt ringwise on joint one 3a; When in joint one 3a is inserted into, managing 1, connecting ring 3a1 makes and produces the better seal effect between joint one 3a and interior pipe 1 inside and connect comparatively firm advantage; It is conical that joint two 3b are, and joint one 3a and joint two 3b axially are connected.The joint two 3b outside is with rubber-like clamping sleeve 9, and clamping sleeve 9 inboards are complementary with joint two 3b outside tapering.
Outside fix part 4 is fixed between interior pipe 1 and the outer tube 2 and is enclosed within on the interior locating piece 3, and the inner of interior locating piece 3 and outside fix part 4 all is positioned at the end in the sleeve 5, and sleeve 5 inner inboards have the retaining rank 5a of annular protrusion.Also have sleeve pipe 10 between the outside of outside fix part 4 and the sleeve 5, the outside of sleeve pipe 10 1 ends has the location shoulder 10a of protrusion ringwise, and location shoulder 10a is pressed between retaining rank 5a and the outside fix part 4, and sleeve pipe 10 the other ends stretch out sleeve 5 and can outer tube 2 be covered.Sleeve 5 the other ends have and are used for the shackle member 6 that links with the relief valve seam end.
Shackle member 6 comprises the tubular location cylinder 6a that is fixed on sleeve 5 the other end ports; Location cylinder 6a is made up of cylindrical shell one 6a1 and cylindrical shell two 6a2; The retaining that the inboard of cylindrical shell one 6a1 has protrusion is along 6a11, and cylindrical shell two 6a2 inboards have the guide surface 6a21 identical with gear piece 7a true dip direction.Also be provided with tubular pressure cap 8 in the location cylinder 6a one, pressure cap 8 the inners have the shoulder block 8a of protrusion, and location cylinder 6a is stretched out in its outer end, and pressure cap 8 the inners are resisted against on the gear piece 7a of jump ring 7.Location cylinder 6a one inboard also is fixed with and is circular and rubber-like jump ring 7, and jump ring 7 inboards have the gear piece 7a of some inclinations, and shoulder block 8a is resisted against retaining along on the 6a11 under the elastic force effect of jump ring 7.
When assembling, joint one 3a directly is inserted into interior pipe 1 inwall, owing to have the connecting ring 3a1 that annular tilts to protrude on the joint, therefore have the better seal effect; Locating piece 3 communicates with interior pipe 1 in making, and in outside fix part 4 being enclosed within on the locating piece 3, and the inwall of outside fix part 4 is sealed with the outer wall of interior pipe 1 mutually be connected again, and clamping sleeve 9 is enclosed within outside joint two 3b; The inwall of outer tube 2 is connected with the outer wall of outside fix part 4 mutually, sleeve pipe 10 is passed on the outside fix part 4 and is resisted against on the outside fix part 4; Again its integral body is passed sleeve 5 the location shoulder 10a of sleeve pipe 10 is pressed between retaining rank 5a and the outside fix part 4, can sleeve pipe 10 be securely fixed in an end of sleeve 5.Pass pressure cap 8 in the location cylinder 6a one again and make shoulder block 8a pass retaining, and location cylinder 6a two, jump ring 7, location cylinder 6a one, pressure cap 8 are fixed on the other end of sleeve 5 successively along 6a11.It is inboard that jump ring 7 is fixed on location cylinder 6a, and the elastic force through jump ring 7 is resisted against retaining that location cylinder 6a inboard has protrusion along on the 6a11 with pressure cap 8 shoulder block 8a, makes pressure cap 8 be difficult for spinning off from location cylinder 6a.
When the joint of this fuel tube and relief valve seam end link; Pressure cap 8 is pushed in location cylinder 6a; Because it is inboard that jump ring 7 is fixed on location cylinder 6a, when the inner of pressure cap 8 was pushed jump ring 7, gear piece 7a was under the effect of pressure cap 8 extruding forces; Because of the guide surface 6a21 of cylindrical shell two 6a2 abdicates the space of gear piece 7a toward outer incline, make the relief valve seam end can pass jump ring 7.The gear piece 7a of jump ring 7 opens; Make the relief valve seam end pass gear piece 7a, produce distortion, clamping sleeve 9 generation phase transformations are produced the relief valve seam end toward the inner thrust of joint two 3b because joint two 3b receive the extruding of relief valve seam end also to the joint two 3b inner chambers of interior locating piece 3; Have and connect effect preferably; Unclamp pressure cap 8 this moment, this moment, gear piece 7a blocked the annular groove of relief valve seam end under the effect of elastic force; The joint and the relief valve seam end of this fuel tube are linked, and be not easy to come off; When needs are dismantled, pressure cap 8 to be pushed in location cylinder 6a, gear piece 7a opened and broke away from from the annular groove of relief valve seam end this moment, the joint of this fuel tube was taken out from the relief valve seam end get final product, and had installation and removal advantage easily.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used interior pipe 1, outer tube 2, interior locating piece 3, joint one 3a, connecting ring 3a1, joint two 3b, outside fix part 4, sleeve 5a, retaining rank 5a, shackle member 6, location cylinder 6a, cylindrical shell one 6a1, retaining along terms such as 6a11, cylindrical shell two 6a2, guide surface 6a21, jump ring 7a, gear piece 7a, pressure cap 8, shoulder block 8a, clamping sleeve 9, sleeve pipe 10, location shoulder 10a morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (9)
1. the joint of a fuel tube; Fuel tube comprises flexible interior pipe (1) and is enclosed within the outer tube (2) of the metal bellows in interior pipe (1) outside; This joint is connected in the end of interior pipe (1) and outer tube (2) simultaneously; It is characterized in that; This joint comprises and is used for fixing the inboard tubular interior locating piece (3) of pipe (1) and is used for fixing tubular outside fix part (4) and the tubular sleeve (5) between interior pipe (1) and outer tube (2); Above-mentioned outside fix part (4) is enclosed within that interior locating piece (3) is gone up and the inner of interior locating piece (3) and outside fix part (4) all is positioned at the interior end of sleeve (5), and the outer end of interior locating piece (3) and outside fix part (4) can link with above-mentioned interior pipe (1), outer tube (2) respectively, and said sleeve (5) the other end has and is used for the shackle member (6) that links with the relief valve seam end.
2. the joint of a kind of fuel tube according to claim 1; It is characterized in that; Described shackle member (6) comprises the tubular location cylinder (6a) that is fixed on sleeve (5) the other end port; Said location cylinder (6a) inboard is fixed with and is circular and rubber-like jump ring (7), and said jump ring (7) inboard has the gear piece (7a) of some inclinations, also is provided with tubular pressure cap (8) in the said location cylinder (6a); Location cylinder (6a) is stretched out in said pressure cap (8) outer end, and pressure cap (8) the inner is resisted against on the gear piece (7a) of jump ring (7).
3. the joint of a kind of fuel tube according to claim 2; It is characterized in that; Described location cylinder (6a) inboard has the retaining of protrusion along (6a11), and said pressure cap (8) the inner has the shoulder block (8a) of protrusion and is resisted against retaining along on (6a11) at shoulder block (8a) under the elastic force effect of above-mentioned jump ring (7).
4. the joint of a kind of fuel tube according to claim 3; It is characterized in that; Described location cylinder (6a) is made up of cylindrical shell one (6a1) and cylindrical shell two (6a2); Above-mentioned retaining is positioned on the cylindrical shell one (6a1) along (6a11), and said cylindrical shell two (6a2) inboard has the guide surface (6a21) identical with gear piece (7a) true dip direction.
5. according to the joint of claim 1 or 2 or 3 or 4 described a kind of fuel tube, it is characterized in that the other end that described interior locating piece (3) links to each other with interior pipe (1) is conical, and is with rubber-like clamping sleeve (9) at interior locating piece (3) the other end.
6. the joint of a kind of fuel tube according to claim 5 is characterized in that, described clamping sleeve (9) is inboard to be complementary with interior locating piece (3) the other end outside tapering.
7. the joint of a kind of fuel tube according to claim 5; It is characterized in that; Locating piece (3) is made up of joint one (3a) and joint two (3b) in described; Have the connecting ring (3a1) of some protrusions that tilt ringwise on the joint one (3a), joint two (3b) is taper shape and joint one (3a) axially is connected with joint two (3b).
8. according to the joint of claim 1 or 2 or 3 or 4 described a kind of fuel tube; It is characterized in that; Described sleeve (5) locates also to have sleeve pipe (10), and sleeve pipe (10) one ends are connected in the sleeve (5), and sleeve pipe (10) the other end stretches out sleeve (5) and can outer tube (2) be covered.
9. the joint of a kind of fuel tube according to claim 8; It is characterized in that; The outside of described sleeve pipe (10) one ends has the location shoulder (10a) of protrusion ringwise; The inner inboard of said sleeve (5) has the retaining rank (5a) of annular protrusion, and above-mentioned location shoulder (10a) is pressed between retaining rank (5a) and the outside fix part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203944011U CN202302460U (en) | 2011-10-17 | 2011-10-17 | Connector of gas pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203944011U CN202302460U (en) | 2011-10-17 | 2011-10-17 | Connector of gas pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302460U true CN202302460U (en) | 2012-07-04 |
Family
ID=46371354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203944011U Expired - Fee Related CN202302460U (en) | 2011-10-17 | 2011-10-17 | Connector of gas pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559518A (en) * | 2017-10-25 | 2018-01-09 | 青岛理工大学 | Axle is inwardly pull-type quickly to connect submarine pipeline device |
| CN108916517A (en) * | 2018-06-08 | 2018-11-30 | 中国船舶重工集团公司第七〇九研究所 | A kind of ship seawaterline flexibility compensation mechanism |
| CN110630838A (en) * | 2019-08-28 | 2019-12-31 | 万硕(成都)航空科技有限公司 | Hose quick-insertion fluid connector |
-
2011
- 2011-10-17 CN CN2011203944011U patent/CN202302460U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559518A (en) * | 2017-10-25 | 2018-01-09 | 青岛理工大学 | Axle is inwardly pull-type quickly to connect submarine pipeline device |
| CN108916517A (en) * | 2018-06-08 | 2018-11-30 | 中国船舶重工集团公司第七〇九研究所 | A kind of ship seawaterline flexibility compensation mechanism |
| CN110630838A (en) * | 2019-08-28 | 2019-12-31 | 万硕(成都)航空科技有限公司 | Hose quick-insertion fluid connector |
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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: 20120704 Termination date: 20141017 |
|
| EXPY | Termination of patent right or utility model |