CN202032206U - Double-cutting sleeve type tube connector - Google Patents
Double-cutting sleeve type tube connector Download PDFInfo
- Publication number
- CN202032206U CN202032206U CN2011200743129U CN201120074312U CN202032206U CN 202032206 U CN202032206 U CN 202032206U CN 2011200743129 U CN2011200743129 U CN 2011200743129U CN 201120074312 U CN201120074312 U CN 201120074312U CN 202032206 U CN202032206 U CN 202032206U
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- Prior art keywords
- cutting ferrule
- nut
- cutting sleeve
- ring
- connector
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Abstract
The utility model relates to a double-cutting sleeve type tube connector, which comprises a connector, a tube which is matched and connected with the connector, a nut which is used for tightly connecting the connector and the tube, a front cutting sleeve and a rear cutting sleeve, wherein the end with an wide opening of the nut is in threaded connection with the connector, the end with a narrow opening of the nut is adaptive to the tube diameter of the tube, the front cutting sleeve and the rear cutting sleeve are respectively a metal piece, the outer ring surface of a hollow ring-shaped boss of the front cutting sleeve is tightly matched with an inclined slot of the connector, the front end cutting edge of the inner ring surface of the hollow ring-shaped boss is cut into the body surface of the tube, a gap between the front edge of the inclined slot of the connector and a platform of the nut is sealed by the outer ring step surface and the outer ring plane of the front cutting sleeve, the rear end chamfering surface of the rear cutting sleeve is tightly matched with the inclined slot at one side of the narrow opening of the nut, a front end protruded lug of the rear cutting sleeve sequentially enters the platform and the inclined slot of the front cutting sleeve, and under the pressure of the inclined slot of the front cutting sleeve, the front end cutting edge of the protruded lug ring is cut into the body surface of the tube. The double-cutting sleeve type tube connector has the advantages that that the sealing is reliable, the anti-dropping property is good, the anti-vibration property is strong, the installation is convenient, the high temperature resistance and high pressure resistance are realized, the application range is wide, and the like.
Description
Technical field:
The utility model relates to industrial Bite type fittings, particularly a kind of pair of Bite type fittings.
Background technique:
Bite type fittings specifically is divided into single deck tape-recorder shell type pipe joint and two Bite type fittings, and single deck tape-recorder shell type pipe joint is replaced by two Bite type fittingss now gradually because defective is numerous.At present, common two Bite type fittingss have two kinds, and a kind of is the EO-2 type pipe joint (as shown in Figure 1) of Parker company, and another kind is that two cutting ferrule mechanical types of the big Luo Ke of generation company are firmly grasped pipe joint (as shown in Figure 2).
The structural feature of EO-2 type pipe joint is: sulfuration in the rubber seal on the metal positioning ring 12 between the outer wall of the inner cone of fittings body 3 and pipe 4, blocked the unique leakage way of fittings body, cutting ferrule 5 front ends enter in the skewed slot of seal ring 2 with skewed slot is closely knit and cooperate and cut in pipe 4 body surfaces.This pipe joint structure has good sealing, high pressure resistant and anti-pulling-and-doffing performance energy, but owing to therebetween rubber seal is aging easily or melt and cause occurring leakage phenomenon when running into high temperature, so be suitable for the connection use of the pipe joint high-temperature work environment under.
The structural feature that two cutting ferrule mechanical types are firmly grasped pipe joint is: preceding cutting ferrule 1 is pushed into joint body 2 and cutting ferrule pipe 3 forms primary seal, back cutting ferrule 4 inwardly produces hinge effect cutting ferrule pipe 3 is carried out lateral extrusion, and make cutting ferrule pipe 3 produce distortion and form strong promptly.This pipe joint structure has splendid gas seal and the cutting ferrule pipe is firmly grasped performance, but can not bear high pressure, otherwise the reverse return of the deformation place that can make the cutting ferrule pipe and cause the back cutting ferrule phenomenon that occurs getting loose, thereby be not suitable for the connection use of the test instrumentation pipe joint the high-pressure work environment under.
The model utility content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of seal reliable, the anticreep performance is good, the vibrationproof performance is strong, easy for installation and two Bite type fittingss that can be high temperature resistant and high pressure resistant, applied widely.
In order to realize the foregoing invention purpose, the utility model has adopted following technological scheme:
A kind of pair of Bite type fittings, comprise joint, the pipe that is connected with joint, be used for the closely knit nut that is connected of joint and pipe and preceding cutting ferrule and back cutting ferrule, wide mouthful of end of nut is connected with joint screw thread, nut slot one end and pipe caliber are suitable, cutting ferrule and back cutting ferrule are metallic article before described, the outer ring surface of the hollow ring boss of cutting ferrule cooperates with the joint skewed slot is closely knit before described, in the front end cutting edge incision pipe body surface of the inner ring surface of hollow ring boss, the outer shroud step surface of preceding cutting ferrule and outer shroud horizontal plane are with the leading edge and the sealing of the gap between the nut platform of joint skewed slot, the rear end chamfer surface of described back cutting ferrule and closely knit cooperation of nut skewed slot of nut slot one side, the front end lug ring of described back cutting ferrule enters in preceding cutting ferrule platform and the preceding cutting ferrule skewed slot in regular turn, and under the urging of preceding cutting ferrule skewed slot, in the front end cutting edge of the lug ring incision pipe body surface.
Cutting ferrule and back cutting ferrule are the stainless steel product of global formation before described.
The outer ring surface of described hollow ring boss is made of a lead-in chamfered and a horizontal plane, and the inner ring surface of described hollow ring boss is provided with an inner groovy.
The outer ring surface front end of described lug ring is provided with a chamfer surface, and the inner ring surface of described lug ring is provided with an inner groovy.
The utility model has following advantage with respect to prior art:
1, after forward and backward cutting ferrule is pressed into, is the drum shape distortion, plays spring action, its front end cutting edge is cut tube surface simultaneously, the rear end then closely is connected with nut with pipe, thereby has greatly improved the stability of pipe joint anticreep, vibrationproof, has increased the reliability of line seal and connection.
2, since forward and backward cutting ferrule all be designed to can resistant to elevated temperatures metallic article, and two cutting ferrules are cut simultaneously and can be made it bear high pressure, so this pipe joint structure can be applicable to the connection of the test instrumentation pipe joint under pipeline pipe joint and high temperature, the high-pressure work environment and use that accommodation is extensive simultaneously.
3, reliable sealing performance, except two cutting ferrules are cut the tube surface simultaneously, forward and backward cutting ferrule is also respectively with joint with nut is closely knit cooperates.
4, easy for installation.
Description of drawings:
Fig. 1 is the structural representation of the EO-2 type pipe joint of Parker company.
Fig. 2 firmly grasps the structural representation of pipe joint for two cutting ferrule mechanical types of the big Luo Ke of generation company.
Fig. 3 is the structural representation of the two Bite type fittingss of the utility model.
The structural representation of cutting ferrule and back cutting ferrule before Fig. 4-1 and Fig. 4-2 is respectively among Fig. 3.
Embodiment:
Shown in Fig. 3, Fig. 4-1 and Fig. 4-2, a kind of pair of Bite type fittings that provides according to the utility model, the pipe 2 that comprises joint 1, is connected with joint 1, be used for joint 1 and the pipe 2 closely knit nuts that are connected 3 and before cutting ferrule 4 and back cutting ferrule 5,3 wide mouthfuls of ends of nut are threaded with joint 1, and nut 3 slots, one end and pipe 2 calibers are suitable.Before cutting ferrule 4 and back cutting ferrule 5 be can resistant to elevated temperatures metallic article, thereby applicable to the connection use of the pipe joint high-temperature work environment under.The outer ring surface 411 and 11 closely knit cooperations of joint skewed slot of the hollow ring boss 41 of preceding cutting ferrule 4, in front end cutting edge 412 incision pipes 2 body surfaces of the inner ring surface of hollow ring boss 41, the outer shroud step surface 42 of preceding cutting ferrule 4 and outer shroud horizontal plane 43 seal the gap between the platform of the leading edge of joint skewed slot 11 and nut 3.31 closely knit cooperations of nut skewed slot of the rear end chamfer surface 51 of back cutting ferrule 5 and nut 3 slots one side, the front end lug ring 52 of back cutting ferrule 5 enters in preceding cutting ferrule platform 44 and the preceding cutting ferrule skewed slot 45 in regular turn, and under the urging of preceding cutting ferrule skewed slot 45, in front end cutting edge 521 incision pipes 2 body surfaces of lug ring 52.
As mentioned above, preceding cutting ferrule 4 and back cutting ferrule 5 are preferably the stainless steel product of global formation, and heat-treat through plasma low-temperature aura surface treatment stove when making, to improve the surface hardness of forward and backward cutting ferrule.The outer ring surface of hollow ring boss 41 is made of a lead-in chamfered 414 and a horizontal plane 415, the inner ring surface of hollow ring boss 41 is provided with an inner groovy 413, the effect of lead-in chamfered 414 is that guiding hollow ring boss 41 enters joint skewed slot 11 smoothly, and 413 of horizontal plane 415 and inner groovies make hollow ring boss 41 bending distortion chucking when pressurized.
The outer ring surface front end of lug ring 52 is provided with a chamfer surface 524, and this chamfer surface 524 is used for guide lug ring 52 and enters into preceding cutting ferrule skewed slot 45, and the inner ring surface of lug ring 52 is provided with an inner groovy 523, so that lug ring 52 can pressurized bendings distortion chucking.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (4)
1. two Bite type fittings, comprise joint, the pipe that is connected with joint, be used for the closely knit nut that is connected of joint and pipe and preceding cutting ferrule and back cutting ferrule, wide mouthful of end of nut is connected with joint screw thread, nut slot one end and pipe caliber are suitable, it is characterized in that: cutting ferrule and back cutting ferrule are metallic article before described, the outer ring surface of the hollow ring boss of cutting ferrule cooperates with the joint skewed slot is closely knit before described, in the front end cutting edge incision pipe body surface of the inner ring surface of hollow ring boss, the outer shroud step surface of preceding cutting ferrule and outer shroud horizontal plane are with the leading edge and the sealing of the gap between the nut platform of joint skewed slot, the rear end chamfer surface of described back cutting ferrule and closely knit cooperation of nut skewed slot of nut slot one side, the front end lug ring of described back cutting ferrule enters in preceding cutting ferrule platform and the preceding cutting ferrule skewed slot in regular turn, and under the urging of preceding cutting ferrule skewed slot, in the front end cutting edge of the lug ring incision pipe body surface.
2. pair Bite type fittings as claimed in claim 1 is characterized in that: cutting ferrule and back cutting ferrule are the stainless steel product of global formation before described.
3. pair Bite type fittings as claimed in claim 1 is characterized in that: the outer ring surface of described hollow ring boss is made of a lead-in chamfered and a horizontal plane, and the inner ring surface of described hollow ring boss is provided with an inner groovy.
4. pair Bite type fittings as claimed in claim 1 is characterized in that: the outer ring surface front end of described lug ring is provided with a chamfer surface, and the inner ring surface of described lug ring is provided with an inner groovy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200743129U CN202032206U (en) | 2011-03-21 | 2011-03-21 | Double-cutting sleeve type tube connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200743129U CN202032206U (en) | 2011-03-21 | 2011-03-21 | Double-cutting sleeve type tube connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032206U true CN202032206U (en) | 2011-11-09 |
Family
ID=44894503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200743129U Expired - Fee Related CN202032206U (en) | 2011-03-21 | 2011-03-21 | Double-cutting sleeve type tube connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032206U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453248A (en) * | 2013-08-28 | 2013-12-18 | 托肯恒山科技（广州）有限公司 | Anti-dropping hermetically-connecting structure of pipelines |
| CN104019300A (en) * | 2014-06-25 | 2014-09-03 | 高建祥 | Three-surface sealing metal rubber clamping sleeve |
| CN105333246A (en) * | 2008-12-10 | 2016-02-17 | 斯瓦戈洛克公司 | Ferrule cartridge with axial load |
| CN111541204A (en) * | 2020-04-29 | 2020-08-14 | 国网河北省电力有限公司保定供电分公司 | Underground branch wiring pipe of buried line |
-
2011
- 2011-03-21 CN CN2011200743129U patent/CN202032206U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333246A (en) * | 2008-12-10 | 2016-02-17 | 斯瓦戈洛克公司 | Ferrule cartridge with axial load |
| CN103453248A (en) * | 2013-08-28 | 2013-12-18 | 托肯恒山科技（广州）有限公司 | Anti-dropping hermetically-connecting structure of pipelines |
| CN103453248B (en) * | 2013-08-28 | 2016-01-27 | 托肯恒山科技（广州）有限公司 | A kind of anticreep Hermetical connecting structure of pipeline |
| CN104019300A (en) * | 2014-06-25 | 2014-09-03 | 高建祥 | Three-surface sealing metal rubber clamping sleeve |
| CN104019300B (en) * | 2014-06-25 | 2016-08-17 | 高建祥 | Three face seal metal-rubber cutting ferrules |
| CN111541204A (en) * | 2020-04-29 | 2020-08-14 | 国网河北省电力有限公司保定供电分公司 | Underground branch wiring pipe of buried line |
| CN111541204B (en) * | 2020-04-29 | 2021-05-28 | 国网河北省电力有限公司保定供电分公司 | Underground branch wiring pipe of buried line |
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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: 20111109 Termination date: 20130321 |