CN214248584U

CN214248584U - Electromagnetic induction double-hot-melting pipe fitting convenient to install

Info

Publication number: CN214248584U
Application number: CN202120209481.2U
Authority: CN
Inventors: 陈斌; 陈杭波; 黄珊珊
Original assignee: Beijing Alka Pipe Industry Co ltd
Current assignee: Beijing Alka Pipe Industry Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-21
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a two hot melt pipe fittings of electromagnetic induction convenient to installation relates to the pipe connection spare, including the inner tube, establish two outer tubes at inner tube both ends respectively, the equal rigid coupling of the relative tip of two outer tubes has the closed ring, and the closed ring rigid coupling is on the inner tube, and the exhaust hole has all been seted up along the axis of outer tube on every closed ring, is provided with two on the inner tube respectively to lean on the shutoff piece that deviates from the outer tube one side by the closed ring. The effect that this application has is the pipe fitting and the piping erection of being convenient for.

Description

Electromagnetic induction double-hot-melting pipe fitting convenient to install

Technical Field

The application relates to a pipeline connecting piece, in particular to an electromagnetic induction double-hot-melting pipe fitting convenient to install.

Background

The electromagnetic induction double-hot-melting pipe fitting is a connecting piece for connecting two pipelines, the pipelines are inserted into the connecting piece, and then the pipelines and the pipe joints are welded and fixed by using electromagnetic hot-melting pipe connecting equipment.

The electromagnetic induction double-hot-melt pipe fitting in the related art comprises an inner pipe and an outer pipe fixedly connected to the outer peripheral surface of the inner pipe, wherein a gap is formed between the inner pipe and the outer pipe, and the gap is used for inserting the end part of a pipeline.

In view of the above-mentioned related art, the inventor has found that when a pipeline is inserted between an inner pipe and an outer pipe, a sealed space is formed between the inner pipe and the outer pipe, so that gas between the inner pipe and the outer pipe is not easily discharged, and thus the gas between the inner pipe and the outer pipe may obstruct the pipeline, so that a worker is not easily inserted the pipeline between the inner pipe and the outer pipe.

SUMMERY OF THE UTILITY MODEL

In order to facilitate pipe fitting and piping erection, this application provides the two hot melt pipe fittings of electromagnetic induction convenient to installation.

The application provides a pair of hot melt pipe fitting of electromagnetic induction convenient to installation adopts following technical scheme:

the utility model provides a two hot melt pipe fittings of electromagnetic induction convenient to installation, includes the inner tube, overlaps respectively and establishes two outer tubes at inner tube both ends, and the equal rigid coupling in relative tip of two outer tubes has the closed ring, and the closed ring rigid coupling all has seted up the exhaust hole along the axis of outer tube on every closed ring, is provided with two on the inner tube to lean on respectively to lean on the shutoff piece that the closed ring deviates from the outer tube one side.

By adopting the technical scheme, when a worker inserts the pipeline between the inner pipe and the outer pipe, the pipeline extrudes the gas between the inner pipe and the outer pipe, so that the gas overflows from the vent hole on the closed ring; after the pipeline is completely inserted between the inner pipe and the outer pipe, the exhaust hole is blocked by the blocking piece so as to ensure the sealing property of the connection between the pipe fitting and the pipeline; therefore, the pipe fitting and the pipeline can be conveniently butted by a worker.

Optionally, the blocking element includes a baffle plate sleeved on the inner tube and a convex column fixedly connected to the baffle plate and inserted into the exhaust hole.

Through adopting above-mentioned technical scheme, the staff is through removing the baffle for the baffle supports on the closed ring towards the one side of projection, thereby makes the projection insert the exhaust hole in, realizes the shutoff to the exhaust hole.

Optionally, the convex column is in a circular truncated cone shape, and the small end of the convex column faces the exhaust hole.

Through adopting above-mentioned technical scheme, when the convex column inserted the exhaust hole in, the tip of convex column enters into the exhaust hole earlier, through the guide effect of the conical surface of convex column, is convenient for the staff to insert the convex column in the exhaust hole.

Optionally, a sliding block is fixedly connected to the inner circumferential surface of the baffle; the outer peripheral surface of the inner pipe is provided with a slide way for the sliding block to slide along the axis of the inner pipe.

Through adopting above-mentioned technical scheme for the slider can only move along the axis direction of inner tube, thereby has restricted the baffle and has taken place to rotate around the axis of inner tube, makes projection and exhaust hole board keep the state of adjusting well like this, and the staff only needs to promote the baffle and is close to the closed ring, can order about the projection and insert in the exhaust hole.

Optionally, a threaded section is processed on the outer circumferential surface of the inner tube; the blocking piece further comprises a driving plate which is rotatably connected to one surface, deviating from the closed ring, of the baffle plate, and the driving plate is sleeved on the inner pipe and is in threaded connection with the inner pipe through a threaded section.

Through adopting above-mentioned technical scheme, the staff is through rotating the drive plate to order about the baffle and remove, the drive plate supports and leans on the one side that the baffle deviates from the projection, and drive plate threaded connection is on the inner tube moreover, and the drive plate orders about the baffle like this and pastes to lean on the closed ring steadily.

Optionally, one surface of the driving plate facing the baffle is fixedly connected with an annular slide bar with an L-shaped cross section, and the baffle is provided with a sliding groove for accommodating the slide bar.

Through adopting above-mentioned technical scheme, realized that the drive plate rotates steadily and connects on the baffle.

Optionally, a plurality of rolling balls circumferentially distributed around the axis of the sliding strip are embedded in the inner circumferential surface of the sliding strip; the inner wall of the sliding groove is provided with a track which is contacted with the rolling ball.

By adopting the technical scheme, the sliding friction of the sliding strip and the sliding groove is converted into rolling friction of the rolling ball and the track, and the friction resistance of the worker for driving the driving plate to rotate is reduced.

Optionally, the circumferential surface of the driving plate is provided with a jack.

Through adopting above-mentioned technical scheme, the staff can insert the jack with the help of the straight-bar in, then stir the straight-bar and keep away from the one end of jack, drive the drive plate and take place to rotate, the staff of being convenient for like this orders about the drive plate rotation more.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the inner pipe, the outer pipe, the closed ring, the exhaust hole and the plugging piece, when a worker inserts the pipeline between the inner pipe and the outer pipe, gas between the inner pipe and the outer pipe is extruded out of the exhaust hole, so that the worker can butt the pipe fitting and the pipeline conveniently;

2. through the setting of baffle and convex column for when the baffle pastes and leans on the closed ring, the convex column is inserted in the exhaust hole, thereby has guaranteed the leakproofness of pipe fitting.

Drawings

Fig. 1 is a cross-sectional view of a pipe in an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. an inner tube; 11. a slideway; 12. a threaded segment; 2. an outer tube; 3. a closed ring; 31. an exhaust hole; 4. a blocking member; 41. a baffle plate; 42. a convex column; 43. a slider; 44. a drive plate; 45. a slide bar; 46. a chute; 47. rolling a ball; 48. a track; 49. a jack; 5. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses two hot melt pipe fittings of electromagnetic induction convenient to installation.

Referring to fig. 1, an electromagnetic induction double-heat-melting pipe fitting convenient to install comprises two coaxially arranged outer pipes 2, wherein the same inner pipe 1 is inserted into the two outer pipes 2; the two outer pipes 2 are symmetrically arranged in the middle of the inner pipe 1; the inner diameter of each outer pipe 2 is larger than the outer diameter of the inner pipe 1, the outer pipes 2 and the inner pipes 1 are coaxially arranged, and the gap between each outer pipe 2 and the corresponding inner pipe 1 is equal to the thickness of the side wall of the pipeline; all the rigid coupling has closed ring 3 on the relative terminal surface of two outer tubes 2, and closed ring 3 cover is established on inner tube 1 and closed ring 3 rigid coupling is on the outer peripheral face of inner tube 1 to make outer tube 2, closed ring 3 and inner tube 1 form the recess 5 that supplies the pipeline to insert.

Referring to fig. 1 and 2, when a worker inserts a pipeline into the groove 5, in order to facilitate the gas in the groove 5 to be exhausted, a plurality of exhaust holes 31 are formed in the closed ring 3, the exhaust holes 31 are arranged around the axis of the outer tube 2 at equal intervals, and each exhaust hole 31 penetrates through the closed ring 3 along the axis of the outer tube 2; when the pipe is inserted into the groove 5, the gas in the groove 5 is pressed, so that the gas in the groove 5 is discharged from the gas discharge hole 31.

Referring to fig. 1 and 2, in order to ensure the sealing performance of the whole pipe fitting, the pipe fitting further comprises two plugging pieces 4 for plugging the exhaust holes 31, wherein the two plugging pieces 4 are arranged, and the two plugging pieces 4 are deviated from and abut against two opposite surfaces of the two sealing rings 3; the blocking piece 4 comprises an annular baffle plate 41 which is abutted against one surface of the closed ring 3, which is far away from the outer pipe 2, and the baffle plate 41 is sleeved on the inner pipe 1 and is connected to the inner pipe 1 in a sliding manner along the axis of the inner pipe 1; one surface of the baffle plate 41 facing the closed ring 3 is fixedly connected with a plurality of elastic convex columns 42, the convex columns 42 are arranged corresponding to the exhaust holes 31 one by one, and the convex columns 42 are inserted in the exhaust holes 31; the convex column 42 is made of rubber, the convex column 42 is in a circular truncated cone shape, the large end face of the convex column 42 is fixedly connected to the baffle plate 41, the diameter of the large end face of the convex column 42 is larger than that of the exhaust hole 31, and the diameter of the small end face of the convex column 42 is smaller than that of the exhaust hole 31; after the staff inserts the pipeline in recess 5, order to order about baffle 41 to be close to closed ring 3 to order about projection 42 and exhaust hole 31 and aim at, make baffle 41 paste and lean on the closed ring 3 one side that deviates from inner tube 1 at last, thereby make projection 42 insert and establish in exhaust hole 31, and carry out the shutoff through the elastic deformation of projection 42 self to exhaust hole 31.

In order to keep the convex column 42 aligned with the exhaust hole 31, two sliding blocks 43 are fixedly connected to the inner circumferential surface of the baffle 41, the two sliding blocks 43 are symmetrically arranged on two sides of the inner tube 1, two sliding ways 11 are arranged on the outer circumferential surface of the inner tube 1, the two sliding ways 11 are both arranged along the axis of the inner tube 1, and the two sliding blocks 43 are respectively arranged in the two sliding ways 11; thus, the slide block 43 is matched with the slide way 11, only the baffle plate 41 is allowed to move on the inner pipe 1, and the baffle plate 41 is limited to rotate around the axis of the inner pipe 1, so that the convex column 42 and the exhaust hole 31 are kept in an aligned state.

Referring to fig. 1 and 2, in order to facilitate a worker to push the baffle plate 41, so as to insert the protruding column 42 into the exhaust hole 31, the blocking member 4 further includes a driving plate 44 disposed on a surface of the baffle plate 41 away from the closed ring 3, the driving plate 44 is sleeved on the inner tube 1, a surface of the driving plate 44 facing the baffle plate 41 is fixedly connected with an annular slide bar 45, the slide bar 45 is disposed coaxially with the inner tube 1, and a cross section of the slide bar 45 is L-shaped; one surface of the baffle plate 41 facing the driving plate 44 is provided with an annular sliding groove 46 for accommodating the sliding strip 45, so that the driving plate 44 is rotatably connected to the baffle plate 41; a thread section 12 is processed on the outer peripheral surface of the inner pipe 1, and the thread section 12 is positioned between the two closed rings 3; the drive plate 44 is in threaded connection with the inner pipe 1 through the threaded section 12, the insertion hole 49 is formed in the outer peripheral face of the drive plate 44, so that a worker can insert the insertion hole 49 through the straight rod, then the straight rod is stirred to rotate around the axis of the inner pipe 1, the drive plate 44 rotates, the baffle plate 41 is driven to move, the baffle plate 41 abuts against the closed ring 3, and the convex column 42 is inserted into the exhaust hole 31.

In order to reduce the frictional resistance to which the operator drives the driving plate 44 to rotate, a plurality of rolling balls 47 are embedded on the inner circumferential surface of the slide bar 45, the rolling balls 47 are circumferentially arranged around the axis of the slide bar 45 at equal intervals, and each rolling ball 47 is rotatably connected to the slide bar 45; an annular track 48 is arranged on the inner wall of the sliding groove 46 facing the rolling balls 47, the section of the track 48 is circular arc, and the spherical surface of each rolling ball 47 is attached to the track 48; this translates the sliding friction between the slide 45 and the runner 46 into rolling friction between the ball 47 and the track 48.

The implementation principle of the electromagnetic induction double-hot-melting pipe fitting convenient to install in the embodiment of the application is as follows: when a worker inserts a pipeline between the inner pipe 1 and the outer pipe 2, gas between the inner pipe 1 and the outer pipe 2 is exhausted from the exhaust hole 31 on the closed ring 3, then the driving plate 44 is rotated, so that the baffle plate 41 is close to the closed ring 3, and then the convex column 42 is inserted into the closed ring 3, so that the convex column 42 blocks the exhaust hole 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a two hot melt pipe fittings of electromagnetic induction convenient to installation which characterized in that: including inner tube (1), establish two outer tubes (2) at inner tube (1) both ends respectively, the equal rigid coupling in relative tip of two outer tubes (2) has closed ring (3), and closed ring (3) rigid coupling is on inner tube (1), and exhaust hole (31) have all been seted up along the axis of outer tube (2) on every closed ring (3), is provided with two on inner tube (1) and supports respectively to lean on in closed ring (3) and deviates from shutoff piece (4) of outer tube (2) one side.

2. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 1, characterized in that: the plugging piece (4) comprises a baffle plate (41) sleeved on the inner pipe (1) and a convex column (42) fixedly connected to the baffle plate (41) and inserted into the exhaust hole (31).

3. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 2, characterized in that: the convex column (42) is in a circular truncated cone shape, and the small end of the convex column (42) faces the exhaust hole (31).

4. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 2, characterized in that: a slide block (43) is fixedly connected to the inner peripheral surface of the baffle plate (41); the outer peripheral surface of the inner pipe (1) is provided with a slide way (11) for the sliding block (43) to slide along the axis of the inner pipe.

5. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 4, characterized in that: a thread section (12) is processed on the outer peripheral surface of the inner tube (1); the blocking piece (4) further comprises a driving plate (44) which is rotatably connected to the face, deviating from the closed ring (3), of the baffle plate (41), and the driving plate (44) is sleeved on the inner pipe (1) and is in threaded connection with the inner pipe (1) through a threaded section (12).

6. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 5, characterized in that: one surface of the driving plate (44) facing the baffle (41) is fixedly connected with an annular sliding strip (45) with an L-shaped section, and the baffle (41) is provided with a sliding groove (46) for accommodating the sliding strip (45).

7. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 6, characterized in that: a plurality of rolling balls (47) distributed around the axis circumference of the sliding strip (45) are embedded in the inner circumferential surface of the sliding strip; the inner wall of the sliding chute (46) is provided with a track (48) which is contacted with the rolling ball (47).

8. An electromagnetic induction double-heat-melting pipe fitting convenient to install according to claim 7, characterized in that: the peripheral surface of the driving plate (44) is provided with an insertion hole (49).