CN2823758Y - Quick joint for corrugated metal hose - Google Patents
Quick joint for corrugated metal hose Download PDFInfo
- Publication number
- CN2823758Y CN2823758Y CN 200520101110 CN200520101110U CN2823758Y CN 2823758 Y CN2823758 Y CN 2823758Y CN 200520101110 CN200520101110 CN 200520101110 CN 200520101110 U CN200520101110 U CN 200520101110U CN 2823758 Y CN2823758 Y CN 2823758Y
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- CN
- China
- Prior art keywords
- metal tube
- sleeve
- flexible metal
- corrugated flexible
- joint
- 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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- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model relates to a quick joint for a corrugated metallic hose, which comprises a main body (1) of a joint, wherein the main body (1) of the joint is provided with a jack, and the corrugated metallic hose can be inserted in the jack from back to front. The utility model is characterized in that the quick joint for a corrugated metallic hose also comprises a sleeve barrel (5), wherein the front end of the sleeve barrel (5) is internally connected in the tail part of the jack of the main body of the joint through threads. The front end of the sleeve barrel (5) is also connected with a pressing sleeve (4), the front end of which is provided with an opening narrowing part (42). An annular sealing plain cushion (2) is arranged on an internal scapula (11) which is arranged on the jack of the main body (1) of the joint in the position corresponding to the front end of the pressing sleeve (4). The utility model strengthens the sealing effect by means of the unique end surface sealing, and more additional sealing methods enable the sealing to be practical and reliable.
Description
Technical field
The utility model relates to a kind of pipe joint, particularly a kind of rapid pipe joint that is used for connecting the corrugated flexible metal tube that is used to carry gas-liquid.
Background technique
The mode of traditional gas appliances such as connection LP gas cylinder, fuel tube or gas cooker is: tighten with Drop-proof with galvanized wire by the rubber pipe connection and at the two ends of rubber pipe; This Placement exists many defectives: install and transposing inconvenience, under bending state, block gas circuit easily, the rubber pipe corrosion-resistant, easily aging, working life is short, gas leak phenomenon takes place easily, just because of this, explosive incident is revealed in the annual gas poisoning or the combustion gas that all can take place to cause because of above-mentioned reason in all parts of the country.
For solving the safe and reliable connectivity problem of gas pipeline, it is to be processed into the soft connecting tube with helical fissure metal tube that " the helical fissure metal hose connector " of our formerly Chinese utility model patent ZL97225276.2 number " plug-in type helical fissure metal hose connector ", ZL97225278.9 number and ZL01211062.0 number " a kind of modified model metallic hose " disclose three kinds of main bodys, and its two ends are welded with the thread connecting joint of metal; These three kinds of design proposals are owing to adopted the corrugated metal tube body, have certain flexible can be arbitrarily crooked and don't can bend, and it is convenient and reliable to be threaded, can thoroughly stop gas leakage, choke phenomenon, thereby eliminate because of combustion gas and reveal the accident potential that causes poisoning, explosive incident, practical effect is fine.
But, because in above-mentioned three kinds of technological schemes, the termination of corrugated flexible metal tube main body all must be welded with a metal joint, this just limits its length dimension, in case when dispatching from the factory, determine just can't change, more can't carry out freely reducing according to Len req at the scene.And existing various pipe joint is all at metal tube, plastic tube or composite pipe design, and not seeing has specially at the corrugated flexible metal tube design.For this reason, " a kind of rapid pipe joint that is used for corrugated flexible metal tube " that our Chinese invention patent formerly is ZL03129320.4 number discloses a kind of rapid pipe joint that can be used to free-hand connection corrugated flexible metal tube, this rapid pipe joint includes a joint body, it has one can hold the jack that corrugated flexible metal tube inserts from back to front, in this jack, be disposed with the profile of tooth dog collar vertically from front to back, seal ring and clamping sleeve, wherein the front-end face of profile of tooth dog collar is spacing by the step institute that the body jack is provided with in the corresponding part, the rear portion outer circumferential face that it is characterized in that described clamping sleeve is the conical surface shape that shrinks gradually, and include a stop collar that inserts from back to front in the body jack, its front inner wall has the conical surface that matches with described clamping sleeve rear portion periphery, the jack inwall relative fixed of its outer wall and body.This technological scheme has solved the difficult problem of the elongated degree corrugated flexible metal tube of on-the-spot installation main body effectively, and rapid pipe joint is quite reliable with being connected of corrugated flexible metal tube main body, even exert oneself the drawing corrugated flexible metal tube, also is difficult to pull; But, find that through practice because the side face sealing means that this technological scheme adopts, sealing effect is desirable not enough.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of sealing effect better to be used for the rapid pipe joint of corrugated flexible metal tube at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this rapid pipe joint that is used for corrugated flexible metal tube includes a joint body, this joint body has one can hold the jack that corrugated flexible metal tube inserts from back to front, it is characterized in that also including the sleeve that is screwed onto in the front end in the joint body jack afterbody, and the front end at this sleeve also is connected with the clamping sleeve that a front end has closing in portion, and the jack of described joint body has interior omoplate to position that should the clamping sleeve front end, and omoplate is provided with a ring packing plain cushion in this.
In corrugated flexible metal tube inserts the jack that sleeve inserts joint body then from back to front, ring packing plain cushion in the contiguous jack of corrugated flexible metal tube, at this moment, the front end closing in portion of clamping sleeve be inlay card on the node of the corrugated flexible metal tube of correspondence, thereby realize being connected between rapid pipe joint and the corrugated flexible metal tube; Then, the turn sleeve makes the reach of its opposing tabs body, and clamping sleeve promptly promotes corrugated flexible metal tube by its front end closing in portion and continues reach, until being tight against described ring packing plain cushion, thereby realizes end face seal.
Described clamping sleeve is good to adopt existing certain rigidity that certain flexible material is arranged again, for the consideration on the manufacture cost, can realize by embed metalwork on working of plastics.
Placement between described clamping sleeve and the described sleeve can adopt various prior aries, can be simply annular groove be set at the afterbody outer wall of clamping sleeve, and annular groove also being set in the front inner wall of sleeve, two grooves fasten mutually and connect one.
Be connected more firmly between the node for the front end closing in portion that makes clamping sleeve and corrugated flexible metal tube, described joint body omoplate position afterwards within it has the conical surface portion of expansion backward, like this, when the closing in portion of clamping sleeve moves forward to this conical surface portion, will receive the extruding of this conical surface portion and more tightly inlay card on the node of corrugated flexible metal tube; And for further enhanced leaktightness effect, the position after joint body is positioned at the ring packing plain cushion, before the conical surface portion is equipped with an O RunddichtringO, constitutes another sealing with the clamping sleeve front end that puts in place with reach.
In order to guarantee to dispatch from the factory when assembling, reason does not screw sleeve prematurely and influences and be connected with joint body, and described sleeve afterbody can have a flange, and snaps in an expanding ring between the rear end of this flange and joint body; And for further sealing, also can a sheathed O RunddichtringO before the tail flange of described sleeve, so as when sleeve opposing tabs body rotation reach with the rear end of joint body between another sealing of formation.
For the corrugated flexible metal tube that is with protecting cover outward, when connecting, its front end must be removed the part protecting cover, the length of exposed portions serve is positioned at clamping sleeve before for good to correct before inserting afterwards, like this, and after connection, the sleeve afterbody can be pressed on the periphery of protecting cover simultaneously, plays seal action better; In order further to strengthen sealing effect, also can be embedded a seal ring at the afterbody inwall place of sleeve, with and the outer wall (protecting cover) of corrugated flexible metal tube between form another sealing, also therefore limited the radially movable of corrugated flexible metal tube simultaneously.
The front end of described body can be designed to existing various connecting head form, and be threaded being used for as carving, or be designed to the link type being used for the sleeve rubber pipe with outside thread, or the like.
Compared with prior art, the utility model has substituted all face seals by end face seal, and sealing effect is strengthened greatly, and more additional seal means have further been strengthened sealing effect again.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of the utility model embodiment when not being in place fully as yet.
Fig. 2 is the structure cross-sectional schematic of the utility model embodiment when installing and using.
Fig. 3 is the schematic perspective view that has the clamping sleeve of metal insert among Fig. 1, Fig. 2.
Fig. 4 is the schematic perspective view of Fig. 1, Fig. 2 split shed collar.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, be an embodiment of the present utility model, with including joint body 1, sleeve 5, clamping sleeve 4, wherein joint body 1 has one and can hold the jack that corrugated flexible metal tube inserts from back to front, the front end of sleeve 5 be shaped on outside thread and in be screwed onto in the joint body 1 jack afterbody, the front inner wall of sleeve 5 is provided with annular groove 51, and the afterbody outer wall of clamping sleeve 4 also is provided with annular groove 41, two grooves 41,51 fasten mutually and make clamping sleeve 4 be connected the front end of sleeve 5, referring to Fig. 1, Fig. 2;
Described clamping sleeve 4 has closing in portion 42 at its front end, and the jack of described joint body 1 omoplate 11 in position that should clamping sleeve 4 front ends is had, and the position in this after omoplate 11 has the conical surface portion 12 of expansion backward, one ring packing plain cushion 2 be arranged on described on the omoplate 11, one O RunddichtringOs 3 then be embedded in after the joint body 1 corresponding ring packing plain cushion 2, the position before the conical surface portion 12 of joint body;
Described clamping sleeve 4 is good to adopt existing certain rigidity that certain flexible material is arranged again, for the consideration on the manufacture cost, can realize by embed metalwork on working of plastics, referring to Fig. 3.
In order to guarantee to dispatch from the factory when assembling, reason does not screw sleeve 5 prematurely and influences and be connected with joint body 1, and described sleeve 5 afterbodys also have a flange, and snap in an expanding ring 6 between the rear end of this flange and joint body, referring to Fig. 4; Simultaneously for further sealing, also can a sheathed O RunddichtringO 7 before the tail flange of described sleeve so that when the 1 rotation reach of sleeve 5 opposing tabs bodies with the rear end of joint body 1 between sealing of formation.
During use, pull out expanding ring 6, corrugated flexible metal tube 10 is inserted in the jack that sleeve 5 inserts joint body 1 then from back to front, ring packing plain cushion 2 in corrugated flexible metal tube 10 contiguous jacks, referring to Fig. 2, at this moment, the front end closing in portion 42 of clamping sleeve 4 be inlay card on the node of the corrugated flexible metal tube 10 of correspondence, thereby realize being connected between rapid pipe joint and the corrugated flexible metal tube 10; Then, turn sleeve 5 makes its opposing tabs body 1 reach, clamping sleeve 4 promptly promotes corrugated flexible metal tube by its front end closing in portion 42 and continues reach, until being tight against described ring packing plain cushion 2, thereby realization end face seal, simultaneously, the front end of clamping sleeve 4 and O RunddichtringO 3 constitute another sealing again, referring to Fig. 2.
For the corrugated flexible metal tube 10 that is with protecting cover 10a outward, when connecting, its front end must be removed part protecting cover 10a, the length of exposed portions serve is positioned at clamping sleeve 4 before for good to correct before inserting afterwards, like this, after connection, sleeve 5 afterbodys can be pressed on the periphery of protecting cover 10a simultaneously, play seal action better; In order further to strengthen sealing effect, also be embedded a seal ring 9 at the afterbody inwall place of sleeve 5, with and the outer wall (protecting cover 10a) of corrugated flexible metal tube between form another sealing, also therefore limited the radially movable of corrugated flexible metal tube 10 simultaneously.
Claims (8)
1, a kind of rapid pipe joint that is used for corrugated flexible metal tube, include a joint body (1), this joint body (1) has one can hold the jack that corrugated flexible metal tube inserts from back to front, it is characterized in that also including the sleeve (5) that is screwed onto in the front end in the joint body jack afterbody, and the front end at this sleeve (5) also is connected with the clamping sleeve (4) that a front end has closing in portion (42), and the jack of described joint body (1) has interior omoplate (11) to position that should clamping sleeve (4) front end, and omoplate (11) is provided with a ring packing plain cushion (2) in this.
2, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 1 is characterized in that described clamping sleeve (4) constitutes by embedding metalwork on the working of plastics.
3, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 1, the afterbody outer wall that it is characterized in that described clamping sleeve (4) is provided with annular groove (41), and annular groove (51) also being set in the front inner wall of sleeve (5), two grooves (41,51) fasten mutually and connect one.
4, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 1 is characterized in that described joint body (1) has the conical surface portion (12) of expansion backward in omoplate (11) position afterwards within it.
5, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 4, it is characterized in that described joint body (1) be positioned at ring packing plain cushion (2) afterwards, conical surface portion (12) position before is equipped with an O RunddichtringO (3).
6, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 1 is characterized in that described sleeve (5) afterbody has a flange, and snapped in an expanding ring (6) between the rear end of this flange and joint body (1).
7, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 6 is characterized in that an also sheathed O RunddichtringO (7) before the tail flange of described sleeve (5).
8, the rapid pipe joint that is used for corrugated flexible metal tube according to claim 1 is characterized in that being embedded with a seal ring (9) on the afterbody inwall of described sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101110 CN2823758Y (en) | 2005-03-18 | 2005-03-18 | Quick joint for corrugated metal hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101110 CN2823758Y (en) | 2005-03-18 | 2005-03-18 | Quick joint for corrugated metal hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823758Y true CN2823758Y (en) | 2006-10-04 |
Family
ID=37032873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101110 Expired - Fee Related CN2823758Y (en) | 2005-03-18 | 2005-03-18 | Quick joint for corrugated metal hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823758Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958705A (en) * | 2017-02-17 | 2017-07-18 | 蒋丽红 | A kind of hose joint |
-
2005
- 2005-03-18 CN CN 200520101110 patent/CN2823758Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958705A (en) * | 2017-02-17 | 2017-07-18 | 蒋丽红 | A kind of hose joint |
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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: 20061004 Termination date: 20100318 |