CN202674650U - Flange quick joint for compressed air pipe fitting - Google Patents
Flange quick joint for compressed air pipe fitting Download PDFInfo
- Publication number
- CN202674650U CN202674650U CN 201220309401 CN201220309401U CN202674650U CN 202674650 U CN202674650 U CN 202674650U CN 201220309401 CN201220309401 CN 201220309401 CN 201220309401 U CN201220309401 U CN 201220309401U CN 202674650 U CN202674650 U CN 202674650U
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- China
- Prior art keywords
- ring
- flange
- driving member
- pipe fitting
- fast connector
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- 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
The utility model relates to a joint for a compressed air pipe fitting. A flange quick joint for the compressed air pipe fitting comprises a flange and a quick joint. The flange consists of a flange plate and a connecting flanged pipe. A connecting thread is arranged on the connecting flanged pipe. The quick joint is arranged on the connecting flanged pipe, and is detachably connected through the connecting thread. According to the joint, a flange structure is adopted, so that the problems of the conventional flange jointing are solved; and the joint has the characteristics of convenience for connection and simple structure.
Description
Technical field
The utility model relates to the connecting head of pressurized air pipe fitting.
Background technique
The existing pipe joint that is used for the connection compressed air hose has multiple.Existing pipe joint exist a general problem be pipe after connection, pipe and joints connects insecure, axial displacement may occur between them.
For this reason, Chinese invention patent CN1200795 discloses a kind of equipment that a pipe is connected to a circle tube joint spare that is made of a front surface and an adapter sleeve, the first segmentation of this adapter sleeve comprise be positioned at adapter piece on the detachable fixing device that is meshed of alignment device, axially comprise be used to the end that prevents from being inserted into the pipe in the sleeve pipe in abutting connection with the second segmentation of the first segmentation simultaneously skidding off and the device of the front surface of engagement tabs part.Sleeve pipe has a built-in guiding hoop that is used for the end of guiding pipe, the internal diameter of this guiding hoop is equal to the external diameter of pipe substantially, this hoop comprises the first portion in the second segmentation that is slidingly mounted on sleeve pipe and extends axially to the second portion of the first segmentation of sleeve pipe, adapter piece has a groove that is formed in its front surface, this groove is used for when fixing device is intermeshing, holds the free end of the second portion that hoop stretches out and makes its centering.This patent has solved the connection of pipe, has the characteristics of easy accessibility.
Chinese invention patent CN1142583 discloses a kind of pipe coupling, also can avoid occuring the stress concentration phenomenon on the annular claw even wherein constantly put on from the external force of pipe.In the pipe coupling of this invention, annular claw forms the zigzag fashion with outer barbed portion and interior barbed portion.Annular claw has: a plurality of outer ring portion; A plurality of annular inner portion, each annular inner portion are arranged between the two adjacent outer ring portion; A plurality of attachment portions, each attachment portion is connected together an end of annular inner portion and an end of outer ring portion.
In order to solve above-mentioned technical problem, the claimant has applied for Chinese invention patent (application number: 200810063105.6 applyings date: 2008-07-10) disclose compressed air fast pipe joint, this pipe joint comprises the protruding pipe of connection and gland, gland be connected protruding pipe by the detachable connection of screw thread, the termination section that connects protruding pipe is provided with retaining ring seat; The inner of retaining ring seat stretches into that to connect protruding pipe inner, and offsets with retaining ring seat and to be provided with seal ring, 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 the retaining ring seat opening, and blade tooth is arranged on the oblique circle; The snap ring outer end is provided with driving member, and the two ends of driving member offset with snap ring and boss respectively.When using gland is screwed, the boss compressing driving member on the gland, driving member compressing snap ring struts blade tooth, and blade tooth can be bitten pipe and prevent that pipe from deviating from.This invention has simple in structure, and it is convenient to implement, the characteristics that are connected firmly.
But existing all is to adopt the mode of flange to connect for a lot of places, has so just lacked the quick coupling that is connected with existing flange.
Summary of the invention
In order to solve the problem of docking with existing flange, the purpose of this utility model provides a kind of flange fast connector of pressurized air pipe fitting, and this connecting head has adopted the structure of flange, has characteristics easy to connect, simple in structure.
In order to realize above-mentioned purpose, the utility model has adopted following technological scheme:
The flange fast connector of pressurized air pipe fitting, this connecting head comprises flange and fast connector, described flange by flange plate be connected protruding pipe and consist of, connect protruding pipe and be provided with connecting thread, described fast connector is arranged on and connects on the protruding pipe, and by the detachable connection of connecting thread.
As preferably, described fast connector comprises gland, seal ring, retaining ring seat, snap ring and driving member, described gland be connected protruding pipe by the detachable connection of screw thread; The termination section that connects protruding pipe arranges described retaining ring seat, and the inner ring that connects protruding pipe is stretched in the inner of retaining ring seat, connects in the protruding pipe to be provided with annular boss, and described seal ring is set between annular boss and the 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 described 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 the retaining ring seat opening, and blade tooth is arranged on the oblique circle; The snap ring outer end arranges described driving member, and the inner and the snap ring of driving member offset, and the outer end of driving member offsets with the boss that is arranged on the gland; Screw then boss compressing driving member of gland, driving member compressing snap ring struts blade tooth, bites pipe fitting and prevents that pipe fitting from deviating from.
As preferably, the end face of above-mentioned flange plate is provided with convex surface, and convex surface is provided with the circular groove at many intervals.
As preferably, the protruding pipe of above-mentioned connection is provided with positive stop lug boss near the inner ring of flange plate.
As preferably, above-mentioned retaining ring seat outer end is provided with bulge loop, and described snap ring is arranged in the groove that bulge loop forms, and the inner of driving member stretches into groove and snap ring offsets.
As preferably, the inner ring of the above-mentioned protruding pipe of connection is circumferentially with some axial raised lines, and some axial raised lines consist of described annular boss, and are provided with packing ring in the outer end of raised line, and described seal ring is arranged on the packing ring.
As preferably, the interior edge face intermediate portion of above-mentioned driving member is provided with the taper platform of protrusion, and the taper platform is against the inner ring of ring body.
As preferably, the exterior circumferential of above-mentioned driving member is provided with some openings that radially arrange.
Outwards restrain formation round platform ring as preferred again, above-mentioned driving member, described opening evenly is arranged on the circumferential of round platform ring, and described boss and round platform ring offset.
The utility model is owing to having adopted the structure of flange, the protruding pipe of the connection of flange is introduced flanged connecting structure as the protruding pipe of the connection of pipe joint with the structure of quick coupling, and it is convenient to transform, solve docking of quick coupling and existing flange arrangement, had characteristics simple in structure, easy to use.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the blast structural drawing of Fig. 1.
Fig. 3 is the structural representation of Fig. 1 Elastic snap ring.
Fig. 4 is A-A sectional structure chart among Fig. 3.
Fig. 5 is the structural representation of driving member among Fig. 1.
Fig. 6 is B-B sectional structure chart among Fig. 5.
Fig. 7 is the structural representation of flange plate end face.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
The flange fast connector of pressurized air pipe fitting as shown in Figure 1 and Figure 2, this connecting head comprise flange 1 and gland 2, flange 1 by flange plate 11 be connected protruding pipe 12 and consist of, flange plate 11 is provided with a plurality of attachment holes 16.As shown in Figure 7, the end face of flange plate 11 is provided with convex surface 15, and convex surface 15 is provided with the circular groove 17 at many intervals.The outer ring that connects protruding pipe 12 is provided with screw thread 18, gland be connected protruding pipe 12 by screw thread 18,23 detachable connections, and be provided with positive stop lug boss 14 connecting the inner ring of protruding pipe 12 near flange plate 11.Be provided with retaining ring seat 5 in the termination section that connects protruding pipe 12, the inner ring that connects protruding pipe 12 is stretched in the inner of retaining ring seat 5, the inner ring that connects protruding pipe 121 is circumferentially with some axial raised lines 13, be provided with packing ring 3 in the outer end of raised line 13, be provided with seal ring 4 between packing ring 3 and retaining ring seat 5, the inner ring of seal ring 4 protrudes the internal diameter setting of retaining ring seat 5.
As shown in Figure 2, retaining ring seat 5 outer ends are provided with bulge loop 51, and bulge loop 51 is provided with metal snap ring 6 at the groove 52 that retaining ring seat 5 forms in the groove 52.As shown in Figure 3, Figure 4, snap ring 6 comprises ring body 61 and blade tooth 62, and blade tooth 62 is to retaining ring seat 5 direction flange, and the flange angle is 60 °～85 °, and is provided with oblique circle 53 at the opening of retaining ring seat 5, and blade tooth 62 is arranged on the oblique circle 53.
As shown in Figure 2, snap ring 6 outer ends are provided with driving member 7, and the inner of driving member 7 is stretched into groove 52 and offseted with snap ring 6.Such as Fig. 5, shown in Figure 6, the interior edge face intermediate portion of driving member 7 is provided with the taper platform 71 of protrusion, and taper platform 71 is against the inner ring of the ring body 61 of snap ring 6.Driving member 7 outwards convergence forms round platform ring 73, and the exterior circumferential of round platform ring 73 is provided with six openings 72 that radially arrange.
As shown in Figure 2, port 21 places of gland 2 are provided with boss 22, boss 22 offsets with the round platform ring 73 of driving member 7, gland 2 is provided with screw thread 23, screw thread 23 spins with connecting thread 13, when screwing gland 2, and boss 22 compressing driving members 7, driving member 7 compressing snap rings 6 strut blade tooth 62, bite pipe and prevent that pipe from deviating from.
Claims (9)
1. the flange fast connector of pressurized air pipe fitting, it is characterized in that: this connecting head comprises flange (1) and fast connector, described flange (1) by flange plate (11) be connected protruding pipe (12) and consist of, connect protruding pipe (12) and be provided with connecting thread (18), described fast connector is arranged on and connects on the protruding pipe (12), and by the detachable connection of connecting thread (18).
2. the flange fast connector of pressurized air pipe fitting according to claim 1, it is characterized in that: fast connector comprises gland (2), seal ring (4), retaining ring seat (5), snap ring (6) and driving member (7), described gland (2) be connected protruding pipe (12) by the detachable connection of screw thread (18); The termination section that connects protruding pipe (12) arranges described retaining ring seat (5), the inner ring that connects protruding pipe (12) is stretched in the inner of retaining ring seat (5), connect in the protruding pipe (12) and be provided with annular boss, described seal ring (4) is set between annular boss and the retaining ring seat (5), and the inner ring of seal ring (4) protrudes the internal diameter setting of retaining ring seat (5); The exterior edge face of retaining ring seat (5) arranges described snap ring (6), snap ring (6) metal-made, snap ring (6) comprises ring body (61) and blade tooth (62), blade tooth (62) is to retaining ring seat (5) direction flange, and being provided with oblique circle (53) at retaining ring seat (5) opening, blade tooth (62) is arranged on the oblique circle (53); Snap ring (6) outer end arranges described driving member (7), and the inner of driving member (7) and snap ring (6) offset, and the outer end of driving member (7) offsets with the boss (22) that is arranged on the gland (2); Screw then boss (22) compressing driving member (7) of gland (2), driving member (7) compressing snap ring (6) struts blade tooth (62), bites pipe fitting and prevents that pipe fitting from deviating from.
3. the flange fast connector of pressurized air pipe fitting according to claim 1 and 2, it is characterized in that: the end face of flange plate (11) is provided with convex surface (15), and convex surface (15) is provided with the circular groove (17) at many intervals.
4. the flange fast connector of pressurized air pipe fitting according to claim 1 and 2 is characterized in that: connect protruding pipe (12) and be provided with positive stop lug boss (14) near the inner ring of flange plate (11).
5. the flange fast connector of pressurized air pipe fitting according to claim 2, it is characterized in that: retaining ring seat (5) outer end is provided with bulge loop, described snap ring (6) is arranged in the groove of bulge loop formation, and the inner of driving member stretches into groove and snap ring (6) offsets.
6. the flange fast connector of pressurized air pipe fitting according to claim 2, it is characterized in that: the inner ring that connects protruding pipe (12) is circumferentially with some axial raised lines (11), some axial raised lines (11) consist of described annular boss, and being provided with packing ring (3) in the outer end of raised line (11), described seal ring (4) is arranged on the packing ring (3).
7. the flange fast connector of pressurized air pipe fitting according to claim 2, it is characterized in that: the interior edge face intermediate portion of driving member (7) is provided with the taper platform (71) of protrusion, and taper platform (71) is against the inner ring of ring body (61).
8. the flange fast connector of pressurized air pipe fitting according to claim 2 is characterized in that: the exterior circumferential of driving member (7) is provided with some openings (72) that radially arrange.
9. the flange fast connector of pressurized air pipe fitting according to claim 8, it is characterized in that: driving member (7) outwards convergence forms round platform ring (73), described opening (72) evenly is arranged on the circumferential of round platform ring (73), and described boss (22) offsets with round platform ring (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309401 CN202674650U (en) | 2012-06-29 | 2012-06-29 | Flange quick joint for compressed air pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309401 CN202674650U (en) | 2012-06-29 | 2012-06-29 | Flange quick joint for compressed air pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674650U true CN202674650U (en) | 2013-01-16 |
Family
ID=47495556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220309401 Expired - Fee Related CN202674650U (en) | 2012-06-29 | 2012-06-29 | Flange quick joint for compressed air pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351644A (en) * | 2015-12-17 | 2016-02-24 | 浙江康帕斯流体输送技术有限公司 | Compressed air pipe joint |
| CN106122626A (en) * | 2016-08-22 | 2016-11-16 | 武汉大禹阀门股份有限公司 | A kind of extension flange structure |
-
2012
- 2012-06-29 CN CN 201220309401 patent/CN202674650U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351644A (en) * | 2015-12-17 | 2016-02-24 | 浙江康帕斯流体输送技术有限公司 | Compressed air pipe joint |
| CN106122626A (en) * | 2016-08-22 | 2016-11-16 | 武汉大禹阀门股份有限公司 | A kind of extension flange structure |
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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: 20130116 Termination date: 20150629 |
|
| EXPY | Termination of patent right or utility model |