CN208687221U - A kind of plastic conduit terminal fitting that can be recycled - Google Patents
A kind of plastic conduit terminal fitting that can be recycled Download PDFInfo
- Publication number
- CN208687221U CN208687221U CN201820802297.7U CN201820802297U CN208687221U CN 208687221 U CN208687221 U CN 208687221U CN 201820802297 U CN201820802297 U CN 201820802297U CN 208687221 U CN208687221 U CN 208687221U
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- screw thread
- sealing ring
- recycled
- core part
- screws
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Abstract
The utility model relates to a kind of plastic conduit terminal fittings that can be recycled, core part it is closed at one end, another end opening, the inner cavity of core part is provided with limiting stand, the open end of core part has the mounting hole that part is screwed for installing screw thread, internal screw thread is provided on the inner wall of mounting hole, screw thread, which screws, is provided with external screw thread on the outer wall of part, screw thread screws part and is threadedly coupled with core part, seal groove is provided in the middle part of core part, seal groove has been embedded in sealing ring, screw thread, which screws, is provided with retaining compacting ring on the inside of part, c-type elastic sealing ring is provided between the left end face and limiting stand of retaining compacting ring.The utility model has the beneficial effects that repeatable disassembly, recycling.It is easy for installation, without additional frock clamp and to the skill requirement of operator.Multi-layer sealed, high reliablity.Good compatibility can be not only used for the end seals of plastic conduit, also can pipeline to other materials of identical bore, pipe fitting sealing.
Description
Technical field
The utility model relates to a kind of plastic conduit terminal fittings that can be recycled, and belong to plastic conduit terminal connecting tube
Part technical field.
Background technique
The fields such as existing civilian indoor water supply and sewage, heat distribution pipeline, municipal administration irrigation, small-bore dn20-dn63 bore plastic tube
Road terminal fitting structure type is more, substantially has hot melt spigot-and-socket terminal fitting, hot melt butt welding terminal fitting, electric smelting connection terminal to connect
Head, but the terminal fitting of above each structure type is finished and secondary can not be dismantled once welding, and can only carry out destructive cutting.Not only
Increase because purchasing connector bring extra charge, and be both needed to operate by specific purpose tool, install again it is comparatively laborious, it is amateur
Operation, increases the risk of pipe leakage.
Utility model content
According to the above-mentioned deficiencies in the prior art, technical problem to be solved by the utility model is: in order to solve the above problem
One of, installation can be facilitated by providing one kind, reduce pipe leakage risk, and can reduce mounting cost, the plastics that can be recycled
Duct end connector.
The plastic conduit terminal fitting described in the utility model that can be recycled, it is characterised in that: including core
Part, sealing ring, c-type elastic sealing ring, retaining compacting ring, screw thread screw part, core part it is closed at one end, the other end is opened
Mouthful, the inner cavity of core part is provided with limiting stand, and the open end of core part has the peace that part is screwed for installing screw thread
Hole is filled, is provided with internal screw thread on the inner wall of mounting hole, screw thread screws and is provided with external screw thread on the outer wall of part, and screw thread screws part and core
Body structural member is threadedly coupled, and seal groove is provided in the middle part of core part, and seal groove has been embedded in sealing ring, screw thread rotation
It is provided with retaining compacting ring on the inside of tight part, is provided with c-type elastic packing between the left end face and limiting stand of retaining compacting ring
Ring.
The sealing ring is O-ring seal.
The screw thread screws part and includes limiting section, external screw thread, tubing perforation, bellmouth and screw body, screws body
Side is provided with external screw thread on outer wall, and the other side is provided with limiting section, screw body the inside bellmouth that is connected of setting and
The miner diameter end of tubing perforation, bellmouth is connected with tubing perforation, and external screw thread is matched with internal screw thread.
The retaining compacting ring includes rotary table, centre bore and hangnail, and the center of rotary table offers centre bore, center bore inner wall
On be equidistantly distributed with multiple hangnails, outer wall of the rotary table with taper with bellmouth there is the inner wall of taper to match.
The hangnail is provided with 3-5.
The internal diameter of the c-type elastic sealing ring and sealing ring is slightly less than the outer diameter of plastic pipe.
The material of the c-type elastic sealing ring and sealing ring is silicon rubber.
The external screw thread is taper thread.
The c-type elastic packing annular groove for installing c-type elastic sealing ring is offered on the limiting stand.
Working principle of the utility model is: when with same specification and model plastic pipe assembly connection, successively by screw thread screw part,
Retaining compresses snare on tubing, and so that retaining compacting ring is placed in screw thread and screw inside part；Then O-ring seal is placed in core
In the seal groove of structural member, C-shaped sealing ring is placed in the C-shaped sealing ring groove of limit dais setting of core part.Most
Plastic pipe socket joint is entered into core part inner hole afterwards.Then retaining compacting ring, screw thread are screwed into part and pushes terminal core knot to
Component side, and the taper thread of part periphery is screwed by screw thread and terminal core part inside tapered thread is attached, tightens,
C-type elastic sealing ring is set constantly to be squeezed, the opening of retaining compacting ring constantly shrinks and compresses tubing by hangnail, is achieved in
The sealed connection of plastic pipe terminal.In this connection type, O-ring seals play first layer sealing function, c-type elastic sealing ring
And retaining compression encloses second layer sealing function, is ensured by above two layers reliable close between terminal fitting and plastic pipe
Envelope.It is provided with 3-5 circle annular barb on the inner wall of the retaining compacting ring, has discontinuous groove in outer conical surface.When terminal connects
Head is assembled with plastic pipe, is connect, and in the case of retaining compacting ring is tightened by terminal core part, inner wall annular barb can be effective
It is closely engaged between plastic pipe outer wall, plays enhancing sealing performance and promotes tubing axial direction anti-pulling ability.The terminal
The inner circle faucet part of core part is divided into female cone Design of Screw Thread, and stepped portion is provided with c-type sealing ring trapezoidal groove；Inner circle
Cylinder is equipped with O-ring seal groove.It is conical design that the screw thread, which screws part inner wall, and convenience is matched with retaining compacting ring outer conical surface
It closes.Outer circle is provided with tapered thread, and purpose cooperates with terminal core part inside tapered thread, tightens.
Compared with prior art, the utility model has the following beneficial effects:
The plastic conduit terminal fitting described in the utility model that can be recycled repeats disassembly, is recycled.Installation
Conveniently, without additional frock clamp and to the skill requirement of operator.Multi-layer sealed, high reliablity.Good compatibility both may be used
It, also can pipeline to other materials of identical bore, pipe fitting sealing for the end seals of plastic conduit.
Detailed description of the invention
Fig. 1 is the utility model terminal fitting and plastic pipe assembling schematic diagram；
Fig. 2 is the utility model terminal fitting assembling schematic diagram；
Fig. 3 is the utility model terminal core part schematic diagram；
Fig. 4 is the utility model O-ring seals schematic diagram；
Fig. 5 is the utility model c-type elastic sealing ring schematic diagram；
Fig. 6 is the utility model retaining compacting ring schematic diagram；
Fig. 7 is that the utility model screw thread screws part schematic diagram.
In figure: 1, core part 1.1, seal groove 1.2, c-type elastic packing annular groove 1.3, internal screw thread 1.4, limit
Position platform 2, sealing ring 3, c-type elastic sealing ring 4, retaining compacting ring 4.1, rotary table 4.2, centre bore 4.3, hangnail 5, spiral shell
Line screws part 5.1, limiting section 5.2, external screw thread 5.3, tubing perforation 5.4, bellmouth 5.5, screws body 6, plastic tube
Material.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, all
Within spirit of that invention and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Embodiment one
As shown in figs. 1-7, the plastic conduit terminal fitting that can be recycled, including core part 1, sealing ring 2,
C-type elastic sealing ring 3, retaining compacting ring 4, screw thread screw part 5, closed at one end, another end opening of core part 1, core
The inner cavity of structural member 1 is provided with limiting stand 1.4, and the open end of core part 1 has the installation that part 5 is screwed for installing screw thread
Hole, is provided with internal screw thread 1.3 on the inner wall of mounting hole, and screw thread screws and is provided with external screw thread 5.2 on the outer wall of part 5, and screw thread screws
Part 5 is threadedly coupled with core part 1, and the middle part of core part 1 is provided with seal groove 1.1, and seal groove 1.1 is embedded in
There is sealing ring 2, the inside that screw thread screws part 5 is provided with retaining compacting ring 4, the left end face and limiting stand 1.4 of retaining compacting ring 4
Between be provided with c-type elastic sealing ring 3.
In the present embodiment, the sealing ring 2 is O-ring seal；It includes limiting section 5.1, external screw thread that the screw thread, which screws part 5,
5.2, tubing perforation 5.3, bellmouth 5.4 and screw body 5.5, screw side on the outer wall of body 5.5 and be provided with external screw thread
5.2, the other side is provided with limiting section 5.1, screws bellmouth 5.4 and tubing perforation that the inside setting of body 5.5 is connected
5.3, the miner diameter end of bellmouth 5.4 is connected with tubing perforation 5.3, and external screw thread 5.2 is matched with internal screw thread 1.3；The retaining
Compacting ring 4 includes rotary table 4.1, centre bore 4.2 and hangnail 4.3, and the center of rotary table 4.1 offers centre bore 4.2, centre bore 4.2
Multiple hangnails 4.3 are equidistantly distributed on inner wall, outer wall of the rotary table 4.1 with taper has the inner wall phase of taper with bellmouth 5.4
Cooperation；The hangnail 4.3 is provided with 3-5；The internal diameter of the c-type elastic sealing ring 3 and sealing ring 2 is slightly less than plastic pipe 6
Outer diameter；The material of the c-type elastic sealing ring 3 and sealing ring 2 is silicon rubber；The external screw thread 5.2 is taper thread.
The working principle of this specific embodiment:: when plastic conduit terminal fitting and the assembly of same specification and model plastic pipe connect
When connecing, successively by screw thread screw part 5,4 sets of retaining compacting ring on tubing, and so that retaining compacting ring 4 is placed in screw thread and screw in part 5
Portion；Then O-ring seal 2 is placed in terminal core part o-ring groove 1.1, C-shaped sealing ring 3 is placed in terminal core knot
At component trapezium structure in C-shaped sealing ring groove 1.2.6 socket joint of plastic pipe is finally entered into 1 inner hole of terminal core part.
Then retaining compacting ring 4, screw thread are screwed into part 5 and pushes 1 side of terminal core part to, and 5 periphery of part is screwed by screw thread
Taper thread be attached, tighten with 1 inside tapered thread of terminal core part, so that c-type elastic sealing ring 3 is constantly squeezed, only
The opening for moving back compacting ring 4 constantly shrinks and compresses tubing by hangnail, is achieved in the sealed connection of plastic pipe terminal.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states merely illustrates the principles of the invention, and on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of plastic conduit terminal fitting that can be recycled, it is characterised in that: including core part (1), sealing ring
(2), c-type elastic sealing ring (3), retaining compacting ring (4), screw thread screw part (5), core part (1) it is closed at one end, it is another
End opening, the inner cavity of core part (1) are provided with limiting stand (1.4), and the open end of core part (1) has for installing
Screw thread screws the mounting hole of part (5), is provided on the inner wall of mounting hole internal screw thread (1.3), and screw thread screws to be set on the outer walls of part (5)
It is equipped with external screw thread (5.2), screw thread screws part (5) and is threadedly coupled with core part (1), the middle part setting of core part (1)
Have seal groove (1.1), seal groove (1.1) has been embedded in sealing ring (2), and screw thread screws and is provided with retaining on the inside of part (5)
Compacting ring (4) is provided with c-type elastic sealing ring (3) between the left end face and limiting stand (1.4) of retaining compacting ring (4).
2. the plastic conduit terminal fitting according to claim 1 that can be recycled, it is characterised in that: the sealing ring
It (2) is O-ring seal.
3. the plastic conduit terminal fitting according to claim 2 that can be recycled, it is characterised in that: the screw thread screws
Part (5) includes limiting section (5.1), external screw thread (5.2), tubing perforation (5.3), bellmouth (5.4) and screws body (5.5), is revolved
Side is provided with external screw thread (5.2) on the outer wall of fixed body (5.5), and the other side is provided with limiting section (5.1), screws body
(5.5) bellmouth (5.4) and tubing perforation (5.3), the miner diameter end of bellmouth (5.4) that inside setting is connected are worn with tubing
Hole (5.3) is connected, and external screw thread (5.2) is matched with internal screw thread (1.3).
4. the plastic conduit terminal fitting according to claim 3 that can be recycled, it is characterised in that: the retaining compresses
Enclosing (4) includes rotary table (4.1), centre bore (4.2) and hangnail (4.3), and the center of rotary table (4.1) offers centre bore (4.2), in
It is equidistantly distributed with multiple hangnails (4.3) on heart hole (4.2) inner wall, there is rotary table (4.1) outer wall of taper and bellmouth (5.4) to have
Tapered inner wall matches.
5. the plastic conduit terminal fitting according to claim 4 that can be recycled, it is characterised in that: the hangnail
(4.3) 3-5 are provided with.
6. the plastic conduit terminal fitting according to claim 5 that can be recycled, it is characterised in that: the c-type elasticity
The internal diameter of sealing ring (3) and sealing ring (2) is slightly less than the outer diameter of plastic pipe (6).
7. the plastic conduit terminal fitting according to claim 6 that can be recycled, it is characterised in that: the c-type elasticity
The material of sealing ring (3) and sealing ring (2) is silicon rubber.
8. according to the plastic conduit terminal fitting as claimed in claim 7 that can be recycled, it is characterised in that: the external screw thread
It (5.2) is taper thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802297.7U CN208687221U (en) | 2018-05-28 | 2018-05-28 | A kind of plastic conduit terminal fitting that can be recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802297.7U CN208687221U (en) | 2018-05-28 | 2018-05-28 | A kind of plastic conduit terminal fitting that can be recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208687221U true CN208687221U (en) | 2019-04-02 |
Family
ID=65877506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820802297.7U Active CN208687221U (en) | 2018-05-28 | 2018-05-28 | A kind of plastic conduit terminal fitting that can be recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208687221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911952A (en) * | 2020-09-01 | 2020-11-10 | 广东高沃科技有限公司 | High-pressure sealing connection structure of combustion chamber |
| CN112628519A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | High-pressure self-tightening type pipeline plug and application thereof |
| CN113442060A (en) * | 2021-07-08 | 2021-09-28 | 索菲丝智能科技(上海)有限公司 | Retaining element, abrasive paper self-separation device and abrasive paper replacing system |
-
2018
- 2018-05-28 CN CN201820802297.7U patent/CN208687221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628519A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | High-pressure self-tightening type pipeline plug and application thereof |
| CN111911952A (en) * | 2020-09-01 | 2020-11-10 | 广东高沃科技有限公司 | High-pressure sealing connection structure of combustion chamber |
| CN113442060A (en) * | 2021-07-08 | 2021-09-28 | 索菲丝智能科技(上海)有限公司 | Retaining element, abrasive paper self-separation device and abrasive paper replacing system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |