CN203948843U - A kind of compressed air fast pipe joint - Google Patents
A kind of compressed air fast pipe joint Download PDFInfo
- Publication number
- CN203948843U CN203948843U CN201420182274.2U CN201420182274U CN203948843U CN 203948843 U CN203948843 U CN 203948843U CN 201420182274 U CN201420182274 U CN 201420182274U CN 203948843 U CN203948843 U CN 203948843U
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- CN
- China
- Prior art keywords
- pipe joint
- gland
- ring
- adaptor tube
- compressed air
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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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of compressed air fast pipe joint, this pipe joint comprises adaptor tube and gland, gland is enclosed within on adaptor tube, gland and adaptor tube are by the detachable connection of screw thread, the inner that is positioned at screw thread on the outer wall of described adaptor tube is also fixed with card article, and the inner of described gland is equidistantly provided with a circle bayonet socket; The termination portion of adaptor tube is provided with retaining ring seat; Between retaining ring seat and adaptor tube, be also provided with two seals circle, 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 the outer end of snap ring offsets with the boss being arranged on gland; Screw gland boss compressing snap ring blade tooth is strutted, bite pipe and prevent that pipe from deviating from.The utility model structure is simpler, and cost of production is lower, and has improved the connective stability of pipe.
Description
Technical field
The utility model relates to a kind of quick coupling of compressed air hose.
Background technique
Existing have multiple for connecting the pipe joint of compressed air hose.Existing pipe joint exist a general problem be pipe after connection, pipe and joints connects insecure, between them, may occur axial displacement.
For this reason, before claimant, apply for the Chinese invention patent (patent No.: 200810063105.6, denomination of invention: compressed air fast pipe joint), this patent discloses one and has bitten pipe by blade tooth, prevent the quick coupling that pipe is axially subjected to displacement, this joint comprises adaptor tube and gland, retaining ring seat is installed successively between adaptor tube and gland, snap ring and driving member, snap ring comprises ring body and blade tooth, when use, screw gland, make driving member and retaining ring seat extruding snap ring, blade tooth on snap ring is strutted, bite pipe, this patent has solved the connectivity problem of pipe, there is the feature of easy accessibility.
But in the described technological scheme of this patent, parts between adaptor tube and gland only depend on the extruding of gland and adaptor tube to fix substantially, in the time unscrewing gland dismounting, retaining ring seat, snap ring and driving member easily drop, and this pipe joint in use for some time, due to the effect of expanding with heat and contract with cold, being connected between gland and adaptor tube can be become flexible, and affects the transport of pipeline internal medium.
Summary of the invention
In order to solve the problem that may occur axial displacement between pipe and joints, overcome again the technological deficiency in patent before claimant simultaneously, the purpose of this utility model provides a kind of new compressed air fast pipe joint, it is simpler that this pipe joint has structure, parts are fixing more firm, gland and pipe joint are difficult for getting loose, and implement convenient feature.
In order to realize above-mentioned object, what the utility model adopted is following technological scheme:
A kind of compressed air fast pipe joint, this pipe joint comprises adaptor tube and gland, and gland is enclosed within on adaptor tube, and gland and adaptor tube are by the detachable connection of screw thread, the inner that is positioned at screw thread on the outer wall of described adaptor tube is also fixed with card article, and the inner of described gland is equidistantly provided with a circle bayonet socket; The termination portion of adaptor tube is provided with retaining ring seat; The inwall of described adaptor tube opening is provided with a circle fin, and the outer wall of retaining ring seat the inner is provided with groove, and adaptor tube inside is stretched in the inner of retaining ring seat, and fin is stuck in groove; Between retaining ring seat and adaptor tube, be also provided with two seals circle, 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; The outer end of snap ring offsets with the boss being arranged on gland; Screw gland boss compressing snap ring blade tooth is strutted, bite pipe and prevent that pipe from deviating from.
As preferred version: the blade tooth of described snap ring is positioned at the inner ring of ring body, and the outer ring of ring body is also to retaining ring seat direction flange, and the outer ring of ring body and the distance of blade tooth are greater than retaining ring seat opening wall thickness, and the outer ring flange of ring body has been strengthened the intensity of whole snap ring.
As preferred version: the inner of described gland is provided with a circle bulge loop, and bulge loop inwall is equidistantly provided with a circle raised line, and described bayonet socket is made up of the inwall of adjacent raised line and bulge loop.
As preferred version: the clockwise side sidewall of described raised line is ramp-like, raised line thickness is inwardly held slow successively decreasing level with both hands by outer end.
As preferred version: described card article becomes " L " type, and a card article side corresponding with raised line slope shape sidewall is also ramp-like, card article thickness is successively decreased outward gently by the inner, card article adopts slope to coordinate with a corresponding side of raised line, both can be in the time having screwed gland, make rotation excessively more smooth and easy, the degree of tightness amplitude of accommodation of gland and adaptor tube is larger, does not affect again the limit effect of gland and adaptor tube.
As preferred version: the outer end of described gland is provided with reinforcing bulge loop, reinforce the internal diameter of bulge loop identical with the internal diameter of adaptor tube, that reinforces bulge loop is arranged so that the part of pipe in pipe joint is longer, has reduced the amplitude that pipe moves radially, and has improved the stability that pipe connects.
As preferred version: the inner of described boss is also provided with a circle baffle ring, described snap ring is arranged in second groove of inwall formation of baffle ring, boss and gland, the outer wall sloping face of described baffle ring, and the wall thickness of baffle ring is smoothly successively decreased to the one end away from boss by the one end near boss.Such structure both can make the position of snap ring more stable, and in the time that gland screws, the blade tooth that can not hinder again spring arch clasp struts.
As preferred version: the inner ring of adaptor tube is provided with annular boss, and described seal ring is arranged on annular boss.
Pipe joint of the present utility model is single-ended pipe joint or double-ended pipe joint.Also can be double end bend pipe pipe joint.Single-ended pipe joint can be for connecting air bells compressor, and above-mentioned structure is all made at two by double-ended pipe joint.
Before the technical solution of the utility model and claimant, compared with the technological scheme of patent, reduced driving member, snap ring is directly contacted with gland, realized equally blade tooth is strutted to the object of biting pipe, structure is simpler, and cost of production is lower; The utility model is provided with fin by the opening at adaptor tube simultaneously, and the groove on cooperation retaining ring seat has been realized the drive fit of retaining ring seat and adaptor tube, makes the convenient difficult drop-off of assembling parts; The utility model is also respectively equipped with card article and bayonet socket on adaptor tube and gland, gland has been played to position-limiting action not affecting under the prerequisite that gland screws, and prevents that gland is loosening, has improved the connective stability of pipe.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is made a detailed explanation.
A kind of compressed air fast pipe joint as shown in Figure 1, this pipe joint comprises adaptor tube 5 and gland 1, gland 1 is enclosed within on adaptor tube 5, gland 1 and adaptor tube 5 are by screw thread 14,52 detachable connections, the inner that is positioned at screw thread 52 on the outer wall of described adaptor tube 5 is also fixed with card article 53, and the inner of described gland 1 is equidistantly provided with a circle bayonet socket 16; The termination portion of adaptor tube 1 is provided with retaining ring seat 3; The inwall of described adaptor tube 5 openings is provided with a circle fin 51, and the outer wall of retaining ring seat 3 the inners is provided with groove 32, and adaptor tube 1 inside is stretched in the inner of retaining ring seat 3, and fin 51 is stuck in groove 32; Between retaining ring seat 3 and adaptor tube 5, be also provided with two seals circle 4, the inner ring of seal ring 4 protrudes the internal diameter setting of retaining ring seat 3; The exterior edge face of retaining ring seat 3 is provided with metal snap ring 2, snap ring 2 comprises ring body 21 and blade tooth 22, and blade tooth 22 is to retaining ring seat 3 direction flange, and flange angle is 60 °～85 °, and being provided with oblique circle 31 at retaining ring seat 3 openings, blade tooth 22 is arranged on oblique circle 53; The outer end of snap ring 2 offsets with the boss 13 being arranged on gland 1; Screw 1 boss 13 of gland and oppress snap ring 2 blade tooth 22 is strutted, bite pipe and prevent that pipe from deviating from.
The blade tooth 22 of described snap ring 2 is positioned at the inner ring of ring body 21, and the outer ring of ring body 21 is also to retaining ring seat 3 direction flange, and the distance of the outer ring of ring body 21 and blade tooth 22 is greater than retaining ring seat 3 opening wall thickness.
The inner of described gland 1 is provided with a circle bulge loop 17, and bulge loop 17 inwalls are equidistantly provided with a circle raised line 15, and described bayonet socket 16 is made up of adjacent raised line 15 and the inwall of bulge loop 17.The clockwise side sidewall of described raised line 15 is ramp-like, and raised line 15 thickness are inwardly held slow successively decreasing level with both hands by outer end.53 one-tenth " L " types of described card article, and card article 53 side corresponding with raised line 15 slope shape sidewalls is also ramp-like, and card article 15 thickness are successively decreased outward gently by the inner.
The outer end of described gland 1 is provided with and reinforces bulge loop 11, and the internal diameter of reinforcing bulge loop 11 is identical with the internal diameter of adaptor tube 5.The inner of described boss 13 is also provided with a circle baffle ring 12, described snap ring 2 is arranged in second groove of inwall formation of baffle ring 12, boss 13 and gland 1, the outer wall sloping face of described baffle ring 12, and the wall thickness of baffle ring 12 by near one end of boss 13 to smoothly successively decreasing away from one end of boss 13.The inner ring of adaptor tube 1 is provided with annular boss 54, and described seal ring 4 is arranged on annular boss 54.
The pipe joint of above-described embodiment can be single-ended pipe joint or double-ended pipe joint, can be also double end bend pipe pipe joint.
Claims (10)
1. a compressed air fast pipe joint, it is characterized in that: this pipe joint comprises adaptor tube (5) and gland (1), gland (1) is enclosed within on adaptor tube (5), gland (1) and adaptor tube (5) are by the detachable connection of screw thread (14,52), the inner that is positioned at screw thread (52) on the outer wall of described adaptor tube (5) is also fixed with card article (53), and the inner of described gland (1) is equidistantly provided with a circle bayonet socket (16); The termination portion of adaptor tube (1) is provided with retaining ring seat (3); The inwall of described adaptor tube (5) opening is provided with a circle fin (51), and the inner outer wall of retaining ring seat (3) is provided with groove (32), and adaptor tube (1) inside is stretched in the inner of retaining ring seat (3), and fin (51) is stuck in groove (32); Between retaining ring seat (3) and adaptor tube (5), be also provided with two seals circle (4), the inner ring of seal ring (4) protrudes the internal diameter setting of retaining ring seat (3); The exterior edge face of retaining ring seat (3) is provided with metal snap ring (2), snap ring (2) comprises ring body (21) and blade tooth (22), blade tooth (22) is to retaining ring seat (3) direction flange, and being provided with oblique circle (31) at retaining ring seat (3) opening, blade tooth (22) is arranged on oblique circle (53); The outer end of snap ring (2) offsets with the boss (13) being arranged on gland (1); Screw gland (1) boss (13) compressing snap ring (2) blade tooth (22) is strutted, bite pipe and prevent that pipe from deviating from.
2. a kind of compressed air fast pipe joint according to claim 1, it is characterized in that: the blade tooth (22) of described snap ring (2) is positioned at the inner ring of ring body (21), the outer ring of ring body (21) is also to retaining ring seat (3) direction flange, and the distance of the outer ring of ring body (21) and blade tooth (22) is not less than retaining ring seat (3) opening wall thickness.
3. a kind of compressed air fast pipe joint according to claim 1, it is characterized in that: the inner of described gland (1) is provided with a circle bulge loop (17), bulge loop (17) inwall is equidistantly provided with a circle raised line (15), and described bayonet socket (16) is made up of adjacent raised line (15) and the inwall of bulge loop (17).
4. a kind of compressed air fast pipe joint according to claim 3, is characterized in that: the clockwise side sidewall of described raised line (15) is ramp-like, and raised line (15) thickness is inwardly held slow successively decreasing level with both hands by outer end.
5. a kind of compressed air fast pipe joint according to claim 4, it is characterized in that: described card article (53) becomes " L " type, and card article (53) side corresponding with raised line (15) slope shape sidewall is also ramp-like, and card article (15) thickness is successively decreased outward gently by the inner.
6. a kind of compressed air fast pipe joint according to claim 1, is characterized in that: the outer end of described gland (1) is provided with and reinforces bulge loop (11), and the internal diameter of reinforcing bulge loop (11) is identical with the internal diameter of adaptor tube (5).
7. a kind of compressed air fast pipe joint according to claim 1, it is characterized in that: the inner of described boss (13) is also provided with a circle baffle ring (12), described snap ring (2) is arranged in second groove of inwall formation of baffle ring (12), boss (13) and gland (1), the outer wall sloping face of described baffle ring (12), and the wall thickness of baffle ring (12) by near one end of boss (13) to smoothly successively decreasing away from one end of boss (13).
8. according to a kind of compressed air fast pipe joint described in claim 1 or 2 or 3, it is characterized in that: the inner ring of adaptor tube (1) is provided with annular boss (54), described seal ring (4) is arranged on annular boss (54).
9. according to a kind of compressed air fast pipe joint described in claim 1 or 2 or 3, it is characterized in that: this pipe joint is single-ended pipe joint or double-ended pipe joint.
10. a kind of compressed air fast pipe joint according to claim 9, is characterized in that: this pipe joint is double end bend pipe pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182274.2U CN203948843U (en) | 2014-04-15 | 2014-04-15 | A kind of compressed air fast pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182274.2U CN203948843U (en) | 2014-04-15 | 2014-04-15 | A kind of compressed air fast pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948843U true CN203948843U (en) | 2014-11-19 |
Family
ID=51890879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182274.2U Withdrawn - After Issue CN203948843U (en) | 2014-04-15 | 2014-04-15 | A kind of compressed air fast pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925440A (en) * | 2014-04-15 | 2014-07-16 | 浙江康帕斯流体输送技术有限公司 | Compressed air quick pipe connector |
| CN108240516A (en) * | 2016-12-23 | 2018-07-03 | 浙江铜步管业有限公司 | A kind of limiting auto-locking suspension metal tube fast connecting joint |
-
2014
- 2014-04-15 CN CN201420182274.2U patent/CN203948843U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925440A (en) * | 2014-04-15 | 2014-07-16 | 浙江康帕斯流体输送技术有限公司 | Compressed air quick pipe connector |
| CN108240516A (en) * | 2016-12-23 | 2018-07-03 | 浙江铜步管业有限公司 | A kind of limiting auto-locking suspension metal tube fast connecting joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |