CN203797209U - Small tube diameter quick connector - Google Patents
Small tube diameter quick connector Download PDFInfo
- Publication number
- CN203797209U CN203797209U CN201420198407.5U CN201420198407U CN203797209U CN 203797209 U CN203797209 U CN 203797209U CN 201420198407 U CN201420198407 U CN 201420198407U CN 203797209 U CN203797209 U CN 203797209U
- Authority
- CN
- China
- Prior art keywords
- pipe
- snap ring
- adaptor tube
- gland
- ring seat
- 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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Abstract
A small tube diameter quick connector comprises a connector pipe and a gland arranged on the connector pipe in a sleeving manner, wherein the gland and the connector pipe are detachably connected through threads, a compression ring is arranged at the end part inside the connector pipe, one end of the compression ring props against a sealing ring inside the connector pipe, the small tube diameter quick connector further comprises an elastic snap ring and a ring-shaped snap ring seat with a circular platform-shaped outer wall, the snap ring seat is arranged in the gland, a first opening is formed in the outer wall of the snap ring seat, the ring body of the elastic snap ring is embedded into the body of the snap ring seat, the pawl of the elastic snap ring extends out of the inner surface of the body of the snap ring seat, a second opening is formed in the elastic snap ring and corresponds to the first opening, the gland is arranged on the connector pipe in a tightening and sleeving manner, the gland radially presses the snap ring seat and the elastic snap ring so as to enable the gland to converge inward, and the pawl is enabled to snap at the pipe body inside the connector pipe. The small tube diameter quick connector provided by the utility model has the advantages of simple structure, low manufacturing cost, high stability, secure fixation, high convenience for mounting, long service life, resource conservation and the like.
Description
Technical field
The utility model relates to the rapid pipe joint technical field of body, relates in particular to a kind of pipe with small pipe diameter rapid pipe joint that is suitable for minor diameter connecting conveying pipe road.
Background technique
Chinese patent literature CN101328997A discloses a kind of quick coupling of compressed air hose, comprises adaptor tube and gland, and gland is connected by screw thread is detachable with adaptor tube, and the termination portion of adaptor tube is provided with retaining ring seat; Adaptor tube inside is stretched in the inner of retaining ring seat, and offsets and be provided with seal ring with retaining ring seat, and the inner ring of seal ring protrudes the internal diameter setting of retaining ring seat; The exterior edge face of retaining ring seat is provided with metal snap ring, and snap ring comprises ring body and blade tooth, and blade tooth is to retaining ring seat direction flange, and is provided with oblique circle at retaining ring seat opening, and blade tooth is arranged on oblique circle; Snap ring outer end is provided with driving member, and the two ends of driving member offset with snap ring and boss respectively.The quick coupling of this structure in use, screws gland, the boss compressing driving member on gland, and driving member compressing snap ring struts blade tooth, and the blade tooth strutting is bitten pipe.In the time of the quick coupling of this structure of long-term use, be easy to driving member to damage, or the aging structural strength reduction of driving member, thereby make driving member can not apply enough urgent snap rings of defeating, blade tooth is strutted, affect the use of quick coupling, shortened the working life of quick coupling.In the time that driving member is oppressed snap ring from axial direction, snap ring is easily subjected to displacement, and stability is not high, fixing insecure, also blade tooth can be damaged, and the quick coupling of this structure also exists complex structure, cost of production high and use the problems such as inconvenient.
Model utility content
In order to overcome the problems referred to above, the utility model provides the pipe with small pipe diameter rapid pipe joint of low, simple in structure, the easy for installation and long service life of a kind of cost of production.
The technical solution of the utility model is: a kind of pipe with small pipe diameter rapid pipe joint is provided, comprise adaptor tube and be set in the gland on described adaptor tube, described gland and described adaptor tube removably connect by screw thread, termination portion in described adaptor tube is provided with a pressure ring, one end of described pressure ring offsets with the seal ring being arranged in described adaptor tube, also comprise that snap ring becomes round table-like annular snap ring seat with outer wall, it is in funnel shaped described gland that described retaining ring seat is arranged on inwall, on the outer wall of described retaining ring seat, be provided with the first opening, the ring body of described snap ring is embedded in the body of described retaining ring seat, the blade tooth of described snap ring protrudes out the body internal surface of described retaining ring seat, on the position of corresponding described the first opening of described snap ring, be provided with the second opening, screw the described gland being set on described adaptor tube, described gland radially oppresses described retaining ring seat and described snap ring makes its toe-in, described blade tooth is bitten the body being arranged in described adaptor tube, prevent that described body from deviating from.
As to improvement of the present utility model, one end outer wall of described pressure ring extends to the direction near described seal ring, and described outer wall is connected with the inwall of described pressure ring by an inclined-plane.
As to improvement of the present utility model, also comprise an annulus, described annulus is connected with one end of described retaining ring seat, is provided with the 3rd opening in the position of corresponding described the first opening of described annulus.
As to improvement of the present utility model, the inner ring of described seal ring protrudes the internal diameter of described retaining ring seat.
As to improvement of the present utility model, one end of described retaining ring seat is provided with bulge loop, and the inside that the other end of described pressure ring protrudes out described adaptor tube is arranged in the groove that described bulge loop forms, and offsets with one end of described retaining ring seat.
As to improvement of the present utility model, the other end of described retaining ring seat is resisted against on the boss on described gland.
As to improvement of the present utility model, on the inwall of described adaptor tube, be provided with projection, being resisted against in described projection of described seal ring.
As to improvement of the present utility model, on the inwall of described adaptor tube, be also provided with annular protrusion, one end of described body is on the above annular protrusion.
As to improvement of the present utility model, described adaptor tube is single head adaptor tube or double end adaptor tube.
As to improvement of the present utility model, described adaptor tube is double end elbow pipe.
The utility model is owing to having adopted retaining ring seat and snap ring, the outer wall of retaining ring seat becomes round table-like, on retaining ring seat and snap ring, be respectively equipped with the first opening and the second opening, the ring body of snap ring is embedded in the body of retaining ring seat, the blade tooth of snap ring protrudes out the body internal surface of retaining ring seat, screw the gland being set on adaptor tube, gland is from the application of force radially and oppress retaining ring seat and snap ring makes its toe-in, blade tooth is bitten the body being arranged in adaptor tube, prevent that body from deviating from, when long-term use, even if retaining ring seat damages or the aging structural strength of retaining ring seat reduces, also can not affect the use of pipe with small pipe diameter rapid pipe joint, retaining ring seat can not be subjected to displacement, can not damage blade tooth, have simple in structure, cost of production is low, stability is high, fixation, easy for installation, long service life and the advantage such as economize on resources.
Brief description of the drawings
Fig. 1 is a kind of embodiment's of the present utility model perspective view.
Fig. 2 is the stereo decomposing structural representation at a kind of visual angle of Fig. 1.
Fig. 3 is the schematic side view of Fig. 1.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Wherein: 1. adaptor tube; 11. annular protrusions; 2. gland; 3. retaining ring seat; 31. first openings; 32. annulus; 33. the 3rd openings; 4. snap ring; 41. blade tooths; 42. second openings; 5. pressure ring; 51. inclined-planes; 6. seal ring.
Embodiment
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also that dismounting connects, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, can be to be also indirectly connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term at concrete meaning of the present utility model.
Ask for an interview Fig. 1 to Fig. 4, what Fig. 1 to Fig. 4 disclosed is a kind of pipe with small pipe diameter rapid pipe joint, comprise adaptor tube 1 and be set in the gland 2 on described adaptor tube 1, described gland 2 and described adaptor tube 1 removably connect by screw thread, inside at described gland 2 is provided with internal thread, is provided with the outside thread matching with internal thread in the outside of described adaptor tube 1.
In the present embodiment, termination portion in described adaptor tube 1 is provided with a pressure ring 5, one end of described pressure ring 5 offsets with the seal ring 6 being arranged in described adaptor tube 1, the outer wall of one end of described pressure ring 5 extends to the direction near described seal ring 6, and described outer wall is connected with the inwall of described pressure ring 5 by an inclined-plane 51.The benefit of design is that described inclined-plane 51 pushes described seal ring 6 like this, and described seal ring 6 is protruded out to the inside of described retaining ring seat 3, has increased the sealing of described pipe with small pipe diameter rapid pipe joint.The inner ring of described seal ring 6 protrudes the internal diameter of described retaining ring seat 3.
In the present embodiment, also comprise that snap ring 4 becomes round table-like annular snap ring seat 3 with outer wall, it is in funnel shaped described gland 2 that described retaining ring seat 3 is arranged on inwall, is provided with the first opening 31 on the outer wall of described retaining ring seat 3.Described snap ring 4 comprises ring body and blade tooth 41, and described blade tooth 41 is to described pressure ring 5 direction flange, and the angle of flange is 60 degree to 85 degree.
In the present embodiment, the described ring body of described snap ring 4 is embedded in the body of described retaining ring seat 3, the described blade tooth 41 of described snap ring 4 protrudes out the body internal surface of described retaining ring seat 3, on the position of described snap ring 4 corresponding described the first openings 31, is provided with the second opening 42.Screw the described gland 2 being set on described adaptor tube 1, described gland 2 is radially oppressed described retaining ring seat 3 and described snap ring 4 makes its toe-in, the opened gap that is described the first opening 31 and described the second opening 42 reduces gradually, until described the first opening 31 and described the second opening 42 closures.In this process, the internal diameter of described retaining ring seat 3 and described snap ring 4 diminishes, and produces elastic strain, and described blade tooth 41 is bitten the body being arranged in described adaptor tube 1, prevents that described body from deviating from.
In the present embodiment, in the time screwing the described gland 2 being set on described adaptor tube 1, the outer wall of the inwall of described gland 2 and described retaining ring seat 3 closely cooperates, and the inwall of described gland 2 is oppressed the outer wall of described retaining ring seat 3, and the inwall of described gland 2 is from radially to exerting pressure with described retaining ring seat 3.Make the stressed even of described retaining ring seat 3, and described blade tooth 41 is bitten the body being arranged in described adaptor tube 1.In this process, described retaining ring seat 3 can not be subjected to displacement, and has advantages of that stability is high.The inwall of described retaining ring seat 3 becomes cylindric, and described retaining ring seat 3 use silica gel are made.
In the present embodiment, also comprise an annulus 32, described annulus 32 is connected with one end of described retaining ring seat 3, is provided with the 3rd opening 33 in the position of described annulus 32 corresponding described the first openings 31, and described annulus 32 and described retaining ring seat 3 are integrative-structures.The other end of described retaining ring seat 3 can also be resisted against on the boss on described gland 2.On the inwall of described adaptor tube 1, be provided with projection, being resisted against in described projection of described seal ring 6.On the inwall of described adaptor tube 1, be also provided with annular protrusion 11, one end of described body is on the above annular protrusion 11.Described adaptor tube 1 is single head adaptor tube 1 or double end adaptor tube 1.Described adaptor tube 1 is double end elbow pipe 1.
In the present embodiment, one end of described retaining ring seat 3 can also be provided with bulge loop, and the inside that the other end of described pressure ring 5 protrudes out described adaptor tube 1 is arranged in the groove of described bulge loop formation, offsets with one end of described retaining ring seat 3.
The utility model is in the time of long-term use, even if described retaining ring seat 3 damages or the aging structural strength of described retaining ring seat 3 reduces, also can not affect the use of described pipe with small pipe diameter rapid pipe joint, described retaining ring seat 3 can not be subjected to displacement, can not damage described blade tooth 41, have simple in structure, cost of production is low, stability is high, fixation, easy for installation, long service life and the advantage such as economize on resources.
Claims (10)
1. a pipe with small pipe diameter rapid pipe joint, comprise adaptor tube and be set in the gland on described adaptor tube, described gland and described adaptor tube removably connect by screw thread, termination portion in described adaptor tube is provided with a pressure ring, one end of described pressure ring offsets with the seal ring being arranged in described adaptor tube, it is characterized in that: also comprise that snap ring becomes round table-like annular snap ring seat with outer wall, it is in funnel shaped described gland that described retaining ring seat is arranged on inwall, on the outer wall of described retaining ring seat, be provided with the first opening, the ring body of described snap ring is embedded in the body of described retaining ring seat, the blade tooth of described snap ring protrudes out the body internal surface of described retaining ring seat, on the position of corresponding described the first opening of described snap ring, be provided with the second opening, screw the described gland being set on described adaptor tube, described gland radially oppresses described retaining ring seat and described snap ring makes its toe-in, and described blade tooth is bitten the body being arranged in described adaptor tube, prevent that described body from deviating from.
2. pipe with small pipe diameter rapid pipe joint according to claim 1, is characterized in that, the outer wall of one end of described pressure ring extends to the direction near described seal ring, and described outer wall is connected with the inwall of described pressure ring by an inclined-plane.
3. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, also comprises an annulus, and described annulus is connected with one end of described retaining ring seat, is provided with the 3rd opening in the position of corresponding described the first opening of described annulus.
4. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, the inner ring of described seal ring protrudes the internal diameter of described retaining ring seat.
5. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, it is characterized in that, one end of described retaining ring seat is provided with bulge loop, and the inside that the other end of described pressure ring protrudes out described adaptor tube is arranged in the groove of described bulge loop formation, offsets with one end of described retaining ring seat.
6. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, the other end of described retaining ring seat is resisted against on the boss on described gland.
7. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, on the inwall of described adaptor tube, is provided with projection, being resisted against in described projection of described seal ring.
8. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, is also provided with annular protrusion on the inwall of described adaptor tube, and one end of described body is on the above annular protrusion.
9. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, described adaptor tube is single head adaptor tube or double end adaptor tube.
10. pipe with small pipe diameter rapid pipe joint according to claim 1 and 2, is characterized in that, described adaptor tube is double end elbow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198407.5U CN203797209U (en) | 2014-04-23 | 2014-04-23 | Small tube diameter quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198407.5U CN203797209U (en) | 2014-04-23 | 2014-04-23 | Small tube diameter quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797209U true CN203797209U (en) | 2014-08-27 |
Family
ID=51379419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420198407.5U Expired - Fee Related CN203797209U (en) | 2014-04-23 | 2014-04-23 | Small tube diameter quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939693A (en) * | 2014-04-23 | 2014-07-23 | 唐学功 | Small-pipe-diameter rapid connector |
| CN114673845A (en) * | 2022-04-18 | 2022-06-28 | 中煤科工集团重庆研究院有限公司 | Mining hose connecting device and method |
-
2014
- 2014-04-23 CN CN201420198407.5U patent/CN203797209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939693A (en) * | 2014-04-23 | 2014-07-23 | 唐学功 | Small-pipe-diameter rapid connector |
| CN114673845A (en) * | 2022-04-18 | 2022-06-28 | 中煤科工集团重庆研究院有限公司 | Mining hose connecting device and method |
| CN114673845B (en) * | 2022-04-18 | 2022-12-27 | 中煤科工集团重庆研究院有限公司 | Mining hose connecting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160429 Address after: 523820 Guangdong province Dongguan City Dalingshan Town Road third Industrial Zone Fifth Patentee after: Guangdong Forster Fluid Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Songgang Hongxing Street Community cloth EC building 3 building 22 layer 03, 05, 2206 Patentee before: Tang Xuegong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180423 |