CN208240956U - A kind of nonreturn type corrugated pipe connector - Google Patents
A kind of nonreturn type corrugated pipe connector Download PDFInfo
- Publication number
- CN208240956U CN208240956U CN201820764088.8U CN201820764088U CN208240956U CN 208240956 U CN208240956 U CN 208240956U CN 201820764088 U CN201820764088 U CN 201820764088U CN 208240956 U CN208240956 U CN 208240956U
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- corrugated pipe
- fastening kit
- fastening
- telescopic corrugated
- kit
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Abstract
The utility model discloses a kind of nonreturn type corrugated pipe connector in field, fastening kit including round casing structure, for plugging into further includes with the fastening kit matching, Telescopic corrugated pipe made of elastic material；Fastening kit is equipped with can be along it axially through entire fastening kit, passing channel for penetrating electric wire, be provided on fastening kit lock saw-tooth thread, be inserted in the external thread part of Telescopic corrugated pipe inner cavity, Telescopic corrugated pipe internal perisporium is equipped with internal thread part match with the external thread part of fastening kit, with interior saw-tooth thread.Connection is reliable, and structure is simple.
Description
Technical field
The utility model relates to technical field of electric connectors, in particular to a kind of nonreturn type connector.
Background technique
Currently, connector is often holding electric wire exposed after plugging into because shaking to cause to plug into when scene uses, reason
It is that the end of plugging into of connector produces and loosens and fall off, it is exposed just to will lead to electric wire, causes security risk, therefore, it is necessary to one kind
It can prevent connector from plugging into and hold the scheme of loosening.
Utility model content
The purpose of the utility model is to provide a kind of nonreturn type corrugated pipe connector, connection is reliable.
Purpose of the utility model is realized as follows: a kind of nonreturn type corrugated pipe connector, including round casing structure,
Fastening kit for plugging into further includes with the fastening kit matching, Telescopic corrugated pipe made of elastic material；
The fastening kit be equipped with can along it axially through entire fastening kit, passing channel for penetrating electric wire,
Be provided on the fastening kit lock saw-tooth thread, be inserted in the external thread part of Telescopic corrugated pipe inner cavity, it is described to stretch
Contracting formula bellows internal perisporium is equipped with internal thread part match with the external thread part of fastening kit, with interior saw-tooth thread.
Compared with prior art, the utility model has the beneficial effects that: connection is reliable, and structure is simple, is easy to make
It makes, since Telescopic corrugated pipe is made of elastic material, the Telescopic corrugated pipe during external thread part of fastening kit is screwed into
Minimal shrink in axial direction can be generated because tightening effect, so that the interior saw-tooth thread of Telescopic corrugated pipe and fastening kit
The fit clearance of external thread part reduces, so that fastening kit is increasingly tighter during being screwed into Telescopic corrugated pipe, and public
Know that saw-tooth thread itself has the function of anti-back in common sense, can not be removed by way of back-outing once locked, to guarantee
The connection reliability of fastening kit and Telescopic corrugated pipe；When Telescopic corrugated pipe is by stronger drag force, due to stretching
Contracting formula bellows is made of elastic material, the interior saw-tooth thread and fastening kit of Telescopic corrugated pipe under drag force effect
The fit clearance of external thread part further reduces, so that therefore the bonding strength of fastening kit and Telescopic corrugated pipe obtains moment
Reinforce, so that fastening kit and Telescopic corrugated pipe thoroughly be prevented to be separated from each other.
The fastening kit is equipped with a circle fastening rib, the telescopic wave as a further improvement of the utility model,
Line tube end faces external thread part one end against fastening rib in assembling.Convenient for assembling.
The loading side for locking saw-tooth thread is fallen equipped with transition arc as a further improvement of the utility model,
Angle.The saw-tooth thread resistance suffered when being screwed into is locked in reduction.
Detailed description of the invention
Fig. 1 is the partial schematic sectional view of the utility model.
Wherein, 1 fastening kit, 101 passing channels, 102 lock saw-tooth thread, 102a transition arc chamfering, 103 outer spiral shells
Line portion, 104 fastening ribs, 2 Telescopic corrugated pipes, saw-tooth thread in 201,202 internal thread parts.
Specific embodiment
As shown in Figure 1, a kind of nonreturn type corrugated pipe connector, fastening kit including round casing structure, for plugging into
1, it further include with the matching of fastening kit 1, Telescopic corrugated pipe 2 made of elastic material.
Above-mentioned fastening kit 1 is equipped with can be along it axially through entire fastening kit 1, passing channel for penetrating electric wire
101, be provided on fastening kit 1 lock saw-tooth thread 102, be inserted in the external thread part of 2 inner cavity of Telescopic corrugated pipe
103,2 internal perisporium of Telescopic corrugated pipe be equipped with it is matching with the external thread part 103 of fastening kit 1, have interior saw-tooth thread 201
Internal thread part 202.
When Telescopic corrugated pipe 2 is by stronger drag force, since Telescopic corrugated pipe 2 is made of elastic material,
Drag force acts on the fit clearance of the interior saw-tooth thread 201 of lower Telescopic corrugated pipe 2 and the external thread part 103 of fastening kit 1
It further reduces, so that therefore the bonding strength of fastening kit 1 and Telescopic corrugated pipe 2 obtains moment reinforcement, to thoroughly prevent
Only fastening kit 1 and Telescopic corrugated pipe 2 are separated from each other.
Above-mentioned fastening kit 1 is equipped with a circle fastening rib 104, and 2 end of Telescopic corrugated pipe is convex against fastening in assembling
Edge 104 faces 103 one end of external thread part.Convenient for assembling.
The above-mentioned loading side for locking saw-tooth thread 102 is equipped with transition arc chamfering 102a.Saw-tooth thread is locked in reduction
102 resistances suffered when being screwed into.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology
Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.
Claims (3)
1. a kind of nonreturn type corrugated pipe connector, it is characterised in that: fastening kit including round casing structure, for plugging into
(1), further include and fastening kit (1) matching, the Telescopic corrugated pipe made of elastic material (2)；
The fastening kit (1) is equipped with can be along it axially through entire fastening kit (1), passing channel for penetrating electric wire
(101), be provided on the fastening kit (1) lock saw-tooth thread (102), be inserted in Telescopic corrugated pipe (2) inner cavity
External thread part (103), Telescopic corrugated pipe (2) internal perisporium be equipped with and fastening kit (1) external thread part (103) match
, have interior saw-tooth thread (201) internal thread part (202).
2. a kind of nonreturn type corrugated pipe connector according to claim 1, it is characterised in that: the fastening kit (1) sets
There is a circle fastening rib (104), outer spiral shell is faced against fastening rib (104) in assembling in Telescopic corrugated pipe (2) end
Line portion (103) one end.
3. a kind of nonreturn type corrugated pipe connector according to claim 1, it is characterised in that: described to lock saw-tooth thread
(102) loading side is equipped with transition arc chamfering (102a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764088.8U CN208240956U (en) | 2018-05-22 | 2018-05-22 | A kind of nonreturn type corrugated pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764088.8U CN208240956U (en) | 2018-05-22 | 2018-05-22 | A kind of nonreturn type corrugated pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240956U true CN208240956U (en) | 2018-12-14 |
Family
ID=64580754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820764088.8U Active CN208240956U (en) | 2018-05-22 | 2018-05-22 | A kind of nonreturn type corrugated pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493675A (en) * | 2018-05-22 | 2018-09-04 | 镇江申庭电子科技有限公司 | A kind of nonreturn type corrugated pipe connector |
-
2018
- 2018-05-22 CN CN201820764088.8U patent/CN208240956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493675A (en) * | 2018-05-22 | 2018-09-04 | 镇江申庭电子科技有限公司 | A kind of nonreturn type corrugated pipe connector |
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