CN204420382U - A kind of pipe joint connecting structure and adopt pipe joint and the pipe-line system of this structure - Google Patents
A kind of pipe joint connecting structure and adopt pipe joint and the pipe-line system of this structure Download PDFInfo
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- CN204420382U CN204420382U CN201420692262.4U CN201420692262U CN204420382U CN 204420382 U CN204420382 U CN 204420382U CN 201420692262 U CN201420692262 U CN 201420692262U CN 204420382 U CN204420382 U CN 204420382U
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- pipe joint
- ring
- adaptor tube
- connecting structure
- snap ring
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Abstract
The utility model relates to a kind of pipe joint.A kind of pipe joint connecting structure, this pipe joint connecting structure comprises adaptor tube and locking blind nut, locking blind nut is connected with adaptor tube is detachable, the right part inner ring of locking blind nut is provided with the first annular slope extended out, first annular slope is provided with metal openings snap ring, the race diameter of the right part of metal openings snap ring is greater than the diameter of the first annular slope opening, the outer ring of the left part of metal openings snap ring is provided with the second annular slope of the annular slopes which match with first, and the inner ring of metal openings snap ring is at least provided with one circular blade; Adaptor tube inner ring is provided with locking bulge loop, and the right side of locking bulge loop is provided with circular groove, is provided with the seal ring protruding circular groove and arrange in circular groove; When locking blind nut and adaptor tube screws, the right-hand member of metal openings snap ring offsets with locking bulge loop, and the compression of metal openings snap ring is contained on the first annular slope, and circular blade tightens up stings the tight required pipeline connected.The invention also discloses the pipe joint and pipe-line system that adopt this structure.
Description
Technical field
The utility model relates to a kind of pipe joint.
Background technique
The existing pipe joint for connecting compressed air hose has multiple.Existing pipe joint exist a general problem be pipe upon connection, pipe and joints connects insecure, may occur axial displacement between them.
Claimant has applied for that Chinese invention patent (application number: 200810063105.6 applyings date: 2008-07-10) discloses pipe joint, this pipe joint comprises adaptor tube and gland, gland is enclosed within adaptor tube, gland and adaptor tube are by the detachable connection of screw thread, and the end head of adaptor tube is provided with retaining ring seat; Adaptor tube inside is stretched in the inner of retaining ring seat, and offsets with retaining ring seat and be provided with seal ring, and the internal diameter that the inner ring of seal ring protrudes retaining ring seat is arranged; 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 to retaining ring seat direction flange, and is provided with oblique circle at retaining ring seat opening, and blade tooth is arranged on and tiltedly encloses; Snap ring outer end is provided with driving member, and the inner and the snap ring of driving member offset, and outer end and the boss be arranged on gland of driving member offset; Screw gland then boss compressing driving member, driving member compressing snap ring makes blade tooth strut, and bites pipe and prevents pipe from deviating from.
Adopting the blade tooth on snap ring to bite pipe time above-mentioned structure uses prevents pipe from deviating from, and blade tooth is thin slice, and the connection of pipeline can be caused to loosen when bearing large pulling force or torsion, connective stability is bad.
Summary of the invention
In order to solve above-mentioned technical problem, first object of the present utility model is to provide a kind of pipe joint connecting structure, and this pipe joint connecting structure adopts the circular blade of metal openings snap ring inner ring to sting the tight required pipeline connected, and improves the stability that pipeline connects.Second object of the present utility model is to provide the pipe joint adopting above-mentioned pipe joint connecting structure.3rd object of the present utility model is to provide the compressed air line system adopting above-mentioned pipe joint.
In order to realize first above-mentioned object, the utility model have employed following technological scheme:
A kind of pipe joint connecting structure, this pipe joint connecting structure comprises adaptor tube and locking blind nut, locking blind nut stretches into and is connected by screw thread is detachable with adaptor tube, the right part inner ring that locking blind nut stretches into adaptor tube is provided with the first annular slope extended out, first annular slope is provided with metal openings snap ring, the race diameter of the right part of metal openings snap ring is greater than the diameter of the first annular slope opening, the outer ring of the left part of metal openings snap ring is provided with the second annular slope of the annular slopes which match with first, the inner ring of metal openings snap ring is at least provided with one circular blade, described adaptor tube inner ring is provided with locking bulge loop, and the right side of locking bulge loop is provided with circular groove, is provided with the seal ring protruding circular groove and arrange in circular groove, when locking blind nut and adaptor tube screws, right-hand member and the described locking bulge loop of metal openings snap ring offset, and the compression of metal openings snap ring is contained on the first annular slope, and circular blade tightens up stings the tight required pipeline connected.
As preferably, described circular blade is twice, and twice circular blade is separately positioned on the left part of metal openings snap ring and the inner ring of right part.Adopt twice circular blade, further increase the stability that pipeline connects.
As preferably, the left-hand end of described locking blind nut is provided with tetragonal nut, is axially provided with fricting strip in four bights of tetragonal nut.The effect of fricting strip can turn locking blind nut by hand, arranges tetragonal nut and then can to screw up with a wrench further locking blind nut.
As preferably, described on the right side of seal ring, the inner ring of adaptor tube inner ring is provided with the position limiting convex ring of pipeline.The effect of position limiting convex ring is the size limiting pipeline insertion.
As preferably, this pipe joint connecting structure also comprises plastics gasket ring, and plastics gasket ring is made up of bottom and ring part, and ring part is set in the end of adaptor tube, and bottom is between adaptor tube and locking blind nut.Plastics gasket ring, on the one hand as the cushion pad of locking blind nut, also can be processed into the purposes mark that shades of colour is used for distinguishing various pipe joint by plastics gasket ring in addition.
In order to realize second above-mentioned object, the utility model have employed following technological scheme:
A kind of straight connector, these pipe joint two ends have at least one end to adopt above-mentioned pipe joint connecting structure.As preferably, the medial recess of described adaptor tube forms hexagon nut.
A kind of elbow unions, these pipe joint two ends have at least one end to adopt above-mentioned pipe joint connecting structure, and described adaptor tube at right angles bends.
A kind of three-way union, the pipe joint connecting structure that this pipe joint three end has at least one end to adopt power above-mentioned, the T-shaped structure of described adaptor tube.
In order to realize the 3rd above-mentioned object, the utility model have employed following technological scheme:
A kind of compressed air line system, the connecting tube joint between the pipeline of this system adopts above-mentioned pipe joint.
The utility model is owing to have employed above-mentioned technological scheme, and pipe joint connecting structure adopts the circular blade of metal openings snap ring inner ring to sting the tight required pipeline connected, and improves the stability that pipeline connects.And also reduce retaining ring seat on the basis of existing technology, simplify the structure of product, reduce production cost, improve the stability of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model straight connector.
Fig. 2 is the detonation configuration schematic diagram of pipe joint connecting structure of the present utility model.
Fig. 3 is the structural representation of metal openings snap ring.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the left view of locking blind nut.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is made a detailed explanation.
A kind of straight connector as shown in Figure 1, the pipe joint connecting structure that these pipe joint two ends adopt as shown in Figure 2.Described
Pipe joint connecting structure comprises adaptor tube 1 and locking blind nut 2, and locking blind nut 2 is stretched into and to be detachablely connected by screw thread 11,21 with adaptor tube 1.As shown in Figure 5, the left-hand end of described locking blind nut 2 is provided with tetragonal nut 23, is axially provided with fricting strip 24 in four bights of tetragonal nut 23.The right part inner ring that shown locking blind nut 2 stretches into adaptor tube 1 is provided with on the first annular slope 22, first annular slope 22 of extending out and is provided with metal openings snap ring 3.As shown in Figure 3, Figure 4, the race diameter of the right part of metal openings snap ring 3 is greater than the diameter of the first annular slope 22 opening, the outer ring of the left part of metal openings snap ring 3 is provided with the second annular slope 32 matched with the first annular slope 22, the inner ring of metal openings snap ring 3 is provided with twice circular blade 31, and twice circular blade 31 is separately positioned on the left part of metal openings snap ring 3 and the inner ring of right part.Described adaptor tube 1 inner ring is provided with locking bulge loop 12, and the right side of locking bulge loop 12 is provided with circular groove 13, is provided with the seal ring 5 protruding circular groove 13 and arrange in circular groove 13.On the right side of seal ring 5, the inner ring of adaptor tube 1 inner ring is provided with the position limiting convex ring 14 of pipeline, the effect of position limiting convex ring 14 is the sizes limiting pipeline insertion, and forms hexagon nut 15 in the medial recess of described adaptor tube 1, and hexagon nut 15 can be locked by spanner turn adaptor tube 1.
As shown in Figure 2, this pipe joint connecting structure also comprises plastics gasket ring 4, and plastics gasket ring 4 is made up of bottom 41 and ring part 42, and ring part 42 is set in the end of adaptor tube 1, and bottom 41 is between adaptor tube 1 and locking blind nut 2.Plastics gasket ring 4, as the cushion pad of locking blind nut 2, also can be processed into the purposes mark that shades of colour is used for distinguishing various pipe joint by plastics gasket ring 4 one aspect in addition.
The utility model when in use, locking blind nut 2 screws with adaptor tube 1, right-hand member and the described locking bulge loop 12 of metal openings snap ring 3 offset, and metal openings snap ring 3 compression is contained on the first annular slope 22, and circular blade 31 tightens up stings the tight required pipeline 10 connected.
Claims (10)
1. a pipe joint connecting structure, it is characterized in that: this pipe joint connecting structure comprises adaptor tube (1) and locking blind nut (2), locking blind nut (2) is stretched into adaptor tube (1) by screw thread (11, 21) detachable connection, the right part inner ring that adaptor tube (1) is stretched in locking blind nut (2) is provided with the first annular slope (22) extended out, first annular slope (22) is provided with metal openings snap ring (3), the race diameter of the right part of metal openings snap ring (3) is greater than the diameter of the first annular slope (22) opening, the outer ring of the left part of metal openings snap ring (3) is provided with the second annular slope (32) matched with the first annular slope (22), the inner ring of metal openings snap ring (3) is at least provided with one circular blade (31), described adaptor tube (1) inner ring is provided with locking bulge loop (12), and the right side of locking bulge loop (12) is provided with circular groove (13), is provided with the seal ring (5) protruding circular groove (13) and arrange in circular groove (13), when locking blind nut (2) and screwing with adaptor tube (1), right-hand member and the described locking bulge loop (12) of metal openings snap ring (3) offset, metal openings snap ring (3) compression is contained on the first annular slope (22), and circular blade (31) tightens up stings the tight required pipeline (10) connected.
2. a kind of pipe joint connecting structure according to claim 1, is characterized in that: circular blade (31) is twice, and twice circular blade (31) is separately positioned on the left part of metal openings snap ring (3) and the inner ring of right part.
3. a kind of pipe joint connecting structure according to claim 1, is characterized in that: the left-hand end of locking blind nut (2) is provided with tetragonal nut (23), is axially provided with fricting strip (24) in four bights of tetragonal nut (23).
4. a kind of pipe joint connecting structure according to claim 1, is characterized in that: on seal ring (5) right side, the inner ring of adaptor tube (1) inner ring is provided with the position limiting convex ring (14) of pipeline (10).
5. a kind of pipe joint connecting structure according to claim 1, it is characterized in that: this pipe joint connecting structure also comprises plastics gasket ring (4), plastics gasket ring (4) is made up of bottom (41) and ring part (42), ring part (42) is set in the end of adaptor tube (1), and bottom (41) are positioned between adaptor tube (1) and locking blind nut (2).
6. a straight connector, is characterized in that: these pipe joint two ends have at least one end to adopt pipe joint connecting structure described in claim 1 ~ 5 any one claim.
7. a kind of straight connector according to claim 6, is characterized in that: the medial recess of adaptor tube (1) forms hexagon nut (15).
8. elbow unions, is characterized in that: these pipe joint two ends have at least one end to adopt pipe joint connecting structure described in claim 1 ~ 5 any one claim, and described adaptor tube (1) at right angles bends.
9. a three-way union, is characterized in that: this pipe joint three end has at least one end to adopt pipe joint connecting structure described in claim 1 ~ 5 any one claim, described adaptor tube (1) T-shaped structure.
10. a compressed air line system, is characterized in that: the connecting tube joint between the pipeline of this system adopts pipe joint described in claim 6 ~ 9 any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692262.4U CN204420382U (en) | 2014-11-18 | 2014-11-18 | A kind of pipe joint connecting structure and adopt pipe joint and the pipe-line system of this structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692262.4U CN204420382U (en) | 2014-11-18 | 2014-11-18 | A kind of pipe joint connecting structure and adopt pipe joint and the pipe-line system of this structure |
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| CN204420382U true CN204420382U (en) | 2015-06-24 |
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| CN201420692262.4U Active CN204420382U (en) | 2014-11-18 | 2014-11-18 | A kind of pipe joint connecting structure and adopt pipe joint and the pipe-line system of this structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390080A (en) * | 2014-11-18 | 2015-03-04 | 浙江康帕斯流体输送技术有限公司 | Pipe joint connection structure and pipe joint adopting structure |
| JP2019090503A (en) * | 2017-11-16 | 2019-06-13 | 株式会社タブチ | Pipe joint |
| CN111272652A (en) * | 2020-05-07 | 2020-06-12 | 宁波科镭汽车零部件有限公司 | Scratch-resistant detection device and method for automobile auxiliary instrument panel |
| CN113457865A (en) * | 2021-07-30 | 2021-10-01 | 翟国峰 | Autonomous pressurizing flow type liquid raw material injection device |
| CN113757475A (en) * | 2021-08-31 | 2021-12-07 | 岚图汽车科技有限公司 | Connecting structure of air storage tank and air pipeline and mounting and dismounting method |
| CN114753467A (en) * | 2022-05-17 | 2022-07-15 | 广东技术师范大学 | Green water supply and drainage building structure of landscape |
-
2014
- 2014-11-18 CN CN201420692262.4U patent/CN204420382U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390080A (en) * | 2014-11-18 | 2015-03-04 | 浙江康帕斯流体输送技术有限公司 | Pipe joint connection structure and pipe joint adopting structure |
| JP2019090503A (en) * | 2017-11-16 | 2019-06-13 | 株式会社タブチ | Pipe joint |
| JP7045684B2 (en) | 2017-11-16 | 2022-04-01 | 株式会社タブチ | Pipe fittings |
| CN111272652A (en) * | 2020-05-07 | 2020-06-12 | 宁波科镭汽车零部件有限公司 | Scratch-resistant detection device and method for automobile auxiliary instrument panel |
| CN111272652B (en) * | 2020-05-07 | 2020-08-11 | 宁波科镭汽车零部件有限公司 | Scratch-resistant detection device and method for automobile auxiliary instrument panel |
| CN113457865A (en) * | 2021-07-30 | 2021-10-01 | 翟国峰 | Autonomous pressurizing flow type liquid raw material injection device |
| CN113757475A (en) * | 2021-08-31 | 2021-12-07 | 岚图汽车科技有限公司 | Connecting structure of air storage tank and air pipeline and mounting and dismounting method |
| CN113757475B (en) * | 2021-08-31 | 2023-01-24 | 岚图汽车科技有限公司 | Connecting structure of air storage tank and air pipeline and mounting and dismounting method |
| CN114753467A (en) * | 2022-05-17 | 2022-07-15 | 广东技术师范大学 | Green water supply and drainage building structure of landscape |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |