CN115076493B

CN115076493B - PE pipe connector and connecting method thereof

Info

Publication number: CN115076493B
Application number: CN202210860840.XA
Authority: CN
Inventors: 田设计; 齐敦朴; 张满意
Original assignee: Fengxian Youfa Plastic Products Co ltd
Current assignee: Fengxian Youfa Plastic Products Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-10-25
Anticipated expiration: 2042-07-22
Also published as: CN115076493A

Abstract

The invention relates to the technical field of PE pipe connection, and discloses a PE pipe connector and a connection method thereof. The problems that in the prior art, the PE pipe connector is easy to loosen, pull out and the like, accidents or dangers are caused, the applicability is poor, and inconvenience is brought to people are solved.

Description

PE pipe connector and connecting method thereof

Technical Field

The invention relates to the technical field of PE pipe connection, in particular to a PE pipe connector and a connection method thereof.

Background

Because the PE pipe has the comprehensive advantages of safety, sanitation, convenient construction, long service life and the like, the PE pipe is widely applied to the fields of building water supply, building drainage, buried drainage pipes, building heating and gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes and the like. However, the phenomena of looseness, pull-out and the like often occur in use due to various reasons of the PE pipe connector, and accidents, even dangers, are easy to occur; meanwhile, pipes with different calibers need to correspond to connectors with different types, which brings much inconvenience to people, so that a PE pipe connector and a connecting method thereof are needed to solve the problems.

Disclosure of Invention

The invention provides a PE pipe connector and a connecting method thereof, which have the advantages of convenient connection, looseness prevention and strong applicability, and solve the problems that in the prior art, the PE pipe connector is easy to loosen, pull out and the like, so that accidents or dangers are caused, the applicability is poor, and inconvenience is brought to people.

The invention provides the following technical scheme:

the utility model provides a PE union coupling head and connection method thereof, includes midbody, butt joint pipe, adjustable ring, prop piece, linkage and carousel, butt joint pipe is the round platform form, butt joint pipe symmetrical setting is in the midbody left and right sides, butt joint pipe outside end is equipped with symmetrical two and rotates the groove, prop piece middle part swing joint in rotate the inslot, prop the piece including the butt joint portion of lower extreme and upper end, the movable portion with the contained angle has between the butt joint portion, the movable portion with linkage swing joint, butt joint portion outside end has laid the barb, the midbody left and right sides is equipped with the annular groove respectively, the annular groove is located midbody border position, the spout has been seted up to annular groove bottom, the adjustable ring normal running fit is connected in the annular groove, be equipped with the annular baffle in the adjustable ring, the annular baffle normal running fit is connected in the spout, the adjustable ring inboard terminal surface is equipped with the poker rod, the annular groove inboard communicates with and is equipped with the dwang, the carousel is located the rotation intracavity, the poker rod with intermittent type is connected with the carousel with the linkage piece is connected with the linkage piece, the linkage piece includes first axle tooth, the linkage piece, the second axle tooth is connected with the oblique tooth is perpendicular to the second axle tooth, the fixed block, the second axle tooth is connected with the first axle tooth in proper order with the first axle tooth, the second axle tooth is connected with the oblique tooth fixed block, the threaded bush fixed connection be in the dwang other end, the gangbar with second fixed block sliding fit connects, gangbar one end is equipped with the threaded rod, the threaded rod with the threaded bush screw-thread fit connects, the gangbar other end is equipped with the removable pin, the removable pin with movable part swing joint.

Preferably, be equipped with the axis of rotation in the rotation groove, prop the piece middle part and be equipped with the rotation hole, axis of rotation normal running fit is connected it is downthehole to rotate, prop the piece both sides and still be equipped with the torsional spring, the torsional spring winding is in the axis of rotation.

Preferably, the movable part is provided with a movable groove, the movable pin is movably connected in the movable groove, and the included angle between the movable part and the abutting part ranges from 90 degrees to 150 degrees.

Preferably, the barbs are made of an elastic material.

Preferably, a spring is pressed between the annular guide plate and the sliding groove, and the spring is arranged around the sliding groove.

Preferably, the turntable comprises a base plate, a top plate, a stand column and a central shaft, the base plate and the top plate are fixedly connected to the upper end of the central shaft, the lower end of the central shaft is fixedly connected with the first oblique teeth, the stand column is fixedly connected between the base plate and the top plate, the stand column is annularly arrayed at the edge position of the base plate, and the stand column is intermittently connected with the poking rod.

A connecting method of PE pipe connectors comprises the following steps:

the method comprises the following steps: pushing the adjusting ring to the inner side of the intermediate body to enable the poke rod to be inserted into the gap between the stand columns and then rotate clockwise, and loosening the adjusting ring after the supporting sheet is folded up through the linkage relation between the rotary table and the linkage piece;

step two: inserting the PE pipe from the outer end of the butt joint pipe until the inner diameter of the PE pipe reaches the position where the outer diameter of the butt joint pipe is the same as that of the butt joint pipe, and sleeving the PE pipe on the butt joint pipe;

step three: pushing the adjusting ring to the inner side of the intermediate body again to enable the poke rod to be inserted into the gap between the stand columns and then rotate anticlockwise, further enabling the supporting pieces to be spread, enabling the abutting part to abut against the inner side of the PE pipe, and enabling the PE pipe to continue to be inserted under the action of the friction force of the barbs and the inner side of the PE pipe until the adjusting ring can not rotate any more;

step four: and loosening the adjusting ring to complete the connection work of the PE pipe and the connector.

The invention has the following beneficial effects:

the connecting device can be suitable for connecting PE pipes with different apertures, the supporting pieces can be abutted against the inner sides of the PE pipes, good anti-loosening and anti-falling effects can be achieved in the connecting process, the PE pipes can be pushed by the abutting portions of the supporting pieces, connection is tight, good connecting effects are achieved, meanwhile, the connecting device is very convenient to use, assistance is not needed by other tools, the PE pipes to be connected can be inserted only by rotating the adjusting ring, and operation is very simple and stable.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic view of the adjusting ring of the present invention;

FIG. 6 is a structural view of a stay of the present invention;

figure 7 is a profile of barbs in accordance with the present invention.

In the figure: 1-intermediate body, 11-rotating cavity, 12-annular groove, 121-sliding chute, 2-butt joint pipe, 21-rotating groove, 211-rotating shaft, 22-second fixed block, 23-first fixed block, 3-adjusting ring, 31-poking rod, 32-annular guide plate, 4-supporting sheet, 41-movable part, 411-movable groove, 42-abutting part, 421-barb, 43-rotating hole, 5-linkage part, 51-first shaft inclined tooth, 52-rotating rod, 53-linkage rod, 531-threaded rod, 532-movable pin, 54-threaded sleeve, 55-second shaft inclined tooth, 6-rotating disc, 61-bottom disc, 62-top disc, 63-upright column, 64-central shaft, 7-torsion spring and 8-spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 7, a PE pipe connector and a connecting method thereof includes an intermediate body 1, an abutting pipe 2, an adjusting ring 3, a bracing piece 4, a linkage piece 5 and a turntable 6.

Wherein, the butt joint pipe 2 is in a round table shape, which is convenient for connecting pipes with different apertures.

The butt joint pipe 2 is symmetrically arranged at the left side and the right side of the middle body 1, and two symmetrical rotating grooves 21 are arranged at the outer side end of the butt joint pipe 2.

The middle parts of the supporting pieces 4 are movably connected in the rotating groove 21, the number of the supporting pieces 4 is two, so that the due effect of the supporting pieces can be conveniently exerted, each supporting piece 4 comprises a movable part 41 at the lower end and an abutting part 42 at the upper end, and an included angle is formed between each movable part 41 and each abutting part 42, so that the larger contact area between each movable part 41 and the inner side of the pipe in the rotating process is facilitated, and a larger blocking effect is achieved; the movable part 41 is movably connected with the linkage part 5, and the barbs 421 are laid on the outer end face of the abutting part 42, so that the friction force is increased, and the pipeline is driven to move.

The left and right sides of the intermediate body 1 are respectively provided with an annular groove 12. Annular groove 12 is located midbody 1 border position, and spout 121 has been seted up to annular groove 12 bottom, and adjustable ring 3 normal running fit connects in annular groove 12, is equipped with annular guide plate 32 in the adjustable ring 3, and annular guide plate 32 normal running fit connects in spout 121.

The end surface of the inner side of the adjusting ring 3 is provided with a poke rod 31, the inner side of the annular groove 12 is communicated with a rotating cavity 11, the rotating disk 6 is positioned in the rotating cavity 11, and the poke rod 31 is intermittently connected with the rotating disk 6.

The rotary table 6 is connected with the linkage piece 5, the linkage piece 5 comprises a first oblique tooth 51, a rotating rod 52, a linkage rod 53, a threaded sleeve 54 and a second oblique tooth 55, the first oblique tooth 51 is vertically arranged in the intermediate body 1, and the first oblique tooth 51 is connected with the rotary table 6.

A first fixing block 23 and a second fixing block 22 are sequentially arranged in the butt joint pipe 2 from inside to outside, the rotating rod 52 is connected with the first fixing block 23 in a rotating matching mode, the second shaft helical teeth 55 are fixedly connected to one end of the rotating rod 52, the second shaft helical teeth 55 are connected with the first shaft helical teeth 51 in a meshing mode, the second shaft helical teeth 55 and the first shaft helical teeth 51 are arranged perpendicular to each other, the threaded sleeve 54 is fixedly connected to the other end of the rotating rod 52, the linkage rod 53 is connected with the second fixing block 22 in a sliding matching mode, a threaded rod 531 is arranged at one end of the linkage rod 53, the threaded rod 531 is connected with the threaded sleeve 54 in a threaded matching mode, a movable pin 532 is arranged at the other end of the linkage rod 53, and the movable pin 532 is movably connected with the movable portion 41.

Above-mentioned rotating groove 21 is equipped with axis of rotation 211, props 4 middle parts of piece and is equipped with rotation hole 43, and axis of rotation 211 normal running fit connects in rotating hole 43, props 4 both sides of piece and still is equipped with torsional spring 7, and torsional spring 7 twines on axis of rotation 211, and torsional spring 7 is favorable to propping the reseing of piece 4.

The movable part 41 is provided with a movable slot 411, a movable pin 532 is movably connected in the movable slot 411, and the included angle between the movable part 41 and the abutting part 42 ranges from 90 degrees to 150 degrees.

The barbs 421 are made of an elastic material, which can increase friction and have a certain buffering effect.

A spring 8 is pressed between the annular guide plate 32 and the sliding groove 121, and the spring 8 is arranged around the sliding groove 121 to facilitate the resetting of the adjusting ring 3.

The rotating disc 6 comprises a bottom disc 61, a top disc 62, a vertical column 63 and a central shaft 64, wherein the bottom disc 61 and the top disc 62 are fixedly connected to the upper end of the central shaft 64, the lower end of the central shaft 64 is fixedly connected with the first oblique teeth 51, the vertical column 63 is fixedly connected between the bottom disc 61 and the top disc 62, the vertical columns 63 are annularly arrayed at the edge position of the bottom disc 61, and the vertical columns 63 are intermittently connected with the poke rod 31.

A connecting method of PE pipe connectors comprises the following steps:

the method comprises the following steps: pushing the adjusting ring 3 to the inner side of the intermediate body 1 to enable the poke rod 31 to be inserted into the gap between the upright posts 63 and then rotate clockwise, and loosening the adjusting ring 3 after the supporting sheet 4 is folded up through the linkage relation between the rotary table 6 and the linkage piece 5;

step two: inserting the PE pipe from the outer end of the butt joint pipe 2 until the inner diameter of the PE pipe reaches the position where the outer diameter of the butt joint pipe 2 is the same, and sleeving the PE pipe on the butt joint pipe 2;

step three: pushing the adjusting ring 3 to the inner side of the intermediate body 1 again to enable the poke rod 31 to be inserted into the gap between the upright posts 63 and then rotate anticlockwise, further enabling the supporting pieces 4 to be spread, enabling the abutting part 42 to abut against the inner side of the PE pipe, and enabling the PE pipe to continue to be inserted under the action of the friction force between the barb 421 and the inner side of the PE pipe until the adjusting ring 3 can not rotate any more;

step four: and loosening the adjusting ring 3 to finish the connection work of the PE pipe and the connector.

The working principle is as follows:

when in use, the utility model is used,

firstly, the adjusting ring 3 is pushed towards the inner side of the intermediate body 1, so that the poke rod 31 is inserted into the gap between the upright posts 63 and then rotates clockwise, and further the turntable 6 is driven to rotate through the matching relationship between the poke rod 31 and the upright posts 63. The turntable 6 drives the first oblique teeth 51 to rotate through the central shaft 64, the first oblique teeth 51 drive the second oblique teeth 55 to rotate, and then the rotating rod 52 drives the threaded sleeve 54 to rotate, the linkage rod 53 slides leftwards along the second fixed block 22 by utilizing the matching relation between the threaded sleeve 54 and the threaded rod 531, and then the movable part 41 is driven through the movable pin 532, so that the supporting piece 4 is realized, and the inner side is contracted.

Then, by loosening the adjusting ring 3, the tap lever 31 is separated from the upright 63 by the action of the spring 8, and the rotating disc 6 does not rotate any more even if the adjusting ring 3 is rotated.

At that time, the PE pipe is inserted from the outer end of the butt joint pipe 2, the inner diameter of the PE pipe is at the same position as the outer diameter of the butt joint pipe 2 after the PE pipe reaches the position, the PE pipe is sleeved on the butt joint pipe 2, the adjusting ring 3 is pushed towards the inner side of the intermediate body 1 again, the poke rod 31 is inserted into the gap between the stand columns 63 and rotates anticlockwise immediately, the support piece 4 is further unfolded, the abutting part 42 abuts against the inner side of the PE pipe, and the PE pipe is continuously inserted under the effect of the friction force of the barb 421 and the inner side of the PE pipe until the adjusting ring 3 can not rotate any more.

Finally, loosen adjustable ring 3, accomplish the work of being connected of PE pipe and connector, at this moment, the PE pipe can all receive the effect of friction in butt joint portion 42 department to and PE pipe internal diameter and butt joint pipe 2 external diameter butt joint department, no matter how to pull out the PE pipe outward, the PE pipe can not be pulled out, the condition that more can not appear becoming flexible or break away from, very safe and reliable and stable.

Claims

1. The utility model provides a PE union coupling head which characterized in that: including midbody (1), butt joint pipe (2), adjustable ring (3), stay (4), linkage (5) and carousel (6), butt joint pipe (2) is the round platform form, butt joint pipe (2) symmetrical setting is in midbody (1) left and right sides, butt joint pipe (2) outside end is equipped with symmetrical two and rotates groove (21), stay (4) middle part swing joint in rotate in groove (21), stay (4) including movable portion (41) of lower extreme and butt portion (42) of upper end, movable portion (41) with the contained angle has between butt portion (42), movable portion (41) with linkage (5) swing joint, barb (421) have been laid to butt portion (42) outside end face, midbody (1) left and right sides is equipped with annular groove (12) respectively, annular groove (12) are midbody (1) border position, spout (121) have been seted up to annular groove (12) bottom, adjustable ring (3) normal running fit is connected in annular groove (12), be equipped with annular groove (3) adjustable ring (32) in annular groove (32), inboard side face (31) rotates, the annular groove (12) inboard communicates with each other and is equipped with rotation chamber (11), carousel (6) are located rotate in chamber (11), poker rod (31) with carousel (6) intermittent type nature is connected, carousel (6) with linkage (5) are connected, linkage (5) include first oblique tooth (51), dwang (52), gangbar (53), thread bush (54) and second axle oblique tooth (55), first oblique tooth (51) set up perpendicularly in midbody (1), first oblique tooth (51) with carousel (6) are connected, be equipped with first fixed block (23) and second fixed block (22) outside to in proper order in butt joint pipe (2), dwang (52) with first fixed block (23) normal running fit is connected, second axle oblique tooth (55) dwang fixed connection in turnbar (52) one end, second axle oblique tooth (55) with first oblique tooth (51) meshing is connected each other, the second axle oblique tooth (53) set up perpendicular thread bush (53) and thread bush (53), linkage rod (52) and thread bush (53) are connected, the threaded rod (531) is in threaded fit connection with the threaded sleeve (54), a movable pin (532) is arranged at the other end of the linkage rod (53), and the movable pin (532) is movably connected with the movable part (41).

2. A PE pipe connector according to claim 1, wherein: be equipped with axis of rotation (211) in rotation groove (21), prop piece (4) middle part and be equipped with rotation hole (43), axis of rotation (211) normal running fit is connected in rotation hole (43), it still is equipped with torsional spring (7) to prop piece (4) both sides, torsional spring (7) winding is in on axis of rotation (211).

3. A PE pipe connector according to claim 1, wherein: the movable part (41) is provided with a movable groove (411), the movable pin (532) is movably connected in the movable groove (411), and the included angle range of the movable part (41) and the abutting part (42) is between 90 degrees and 150 degrees.

4. A PE pipe connector according to claim 1, wherein: the barbs (421) are made of elastic materials.

5. A PE pipe connector according to claim 1, wherein: a spring (8) is pressed between the annular guide plate (32) and the sliding groove (121), and the spring (8) is arranged around the sliding groove (121).

6. A PE pipe connector according to claim 1, wherein: the turntable (6) comprises a base plate (61), a top plate (62), an upright post (63) and a central shaft (64), the base plate (61) and the top plate (62) are fixedly connected to the upper end of the central shaft (64), the lower end of the central shaft (64) is fixedly connected with the first oblique teeth (51), the upright post (63) is fixedly connected between the base plate (61) and the top plate (62), the annular array of the upright post (63) is arranged at the edge of the base plate (61), and the upright post (63) is intermittently connected with the poke rod (31).

7. A connecting method of a PE pipe connector is characterized in that: the connection method for realizing the PE pipe connector as claimed in claim 6, comprising the steps of:

the method comprises the following steps: pushing the adjusting ring (3) to the inner side of the intermediate body (1) to enable the poke rod (31) to be inserted into the gap between the stand columns (63) and then rotate clockwise, and loosening the adjusting ring (3) after the supporting sheet (4) is collected through the linkage relation between the rotary table (6) and the linkage piece (5);

step two: inserting the PE pipe from the outer end of the butt joint pipe (2) until the inner diameter of the PE pipe reaches the position where the outer diameter of the butt joint pipe (2) is the same, and sleeving the PE pipe on the butt joint pipe (2);

step three: pushing the adjusting ring (3) to the inner side of the intermediate body (1) again to enable the poke rod (31) to be inserted into the gap between the stand columns (63) and then rotate anticlockwise, further enabling the support piece (4) to be opened, enabling the abutting part (42) to abut against the inner side of the PE pipe, and enabling the PE pipe to be continuously inserted under the effect of the friction force between the barb (421) and the inner side of the PE pipe until the adjusting ring (3) can not rotate any more;

step four: and (4) loosening the adjusting ring (3) to finish the connection work of the PE pipe and the connector.