CN210637651U

CN210637651U - Hard plastic pipeline with expansion joint

Info

Publication number: CN210637651U
Application number: CN201921206535.9U
Authority: CN
Inventors: 费孙毅
Original assignee: Suzhou Chaoshuofan Plastic Products Co ltd
Current assignee: Suzhou Chaoshuofan Plastic Products Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-29
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to a plastic conduit technical field, and disclose, including trunk line and auxiliary line, the one end fixedly connected with telescopic tube of trunk line, telescopic tube's other end fixedly connected with annular piece, be equipped with latch mechanism on the annular piece, latch mechanism includes four balls, sleeve pipe and four springs, four and ball assorted through-holes have been seted up to the lateral wall symmetry of annular piece, and four balls are located four through-holes respectively and set up, the diameter of four balls all is greater than the diameter of through-hole, the outer wall and the sleeve pipe activity of annular piece cup joint, four fixed blocks of sheathed tube outer wall symmetry fixedly connected with, the equal fixedly connected with bracing piece of the left side wall of four fixed blocks, the locating piece has been cup jointed in the pole wall activity of. The utility model discloses can guarantee that the body normally works under expend with heat and contract with cold state, can not produce the friction, stability is good, the connection between two pipelines of being convenient for simultaneously, the people's of being convenient for use.

Description

Hard plastic pipeline with expansion joint

Technical Field

The utility model relates to a plastic conduit technical field especially relates to a stereoplasm plastic conduit with expansion joint.

Background

PVC-U plastic pipe is more and more widely used in water supply and drainage pipeline systems in the fields of life, industry and the like, and is easy to generate larger stress under the conditions of expansion with heat and contraction with cold, when the stress can not be naturally compensated through the bent part of the pipeline, the PVC-U plastic pipe is easy to cause the bending deformation of the pipeline, and the PVC-U plastic pipe is easy to cause the fracture and water leakage of the pipeline.

At present, in order to solve the problem of pipeline deformation, all be provided with the telescopic joint head in the junction usually, telescopic joint head among the prior art all is the muff-coupling type, after using longer time, because frictional force each other leads to leaking easily, when being connected between body and the body is accomplished through nut and screw thread simultaneously, the efficiency ratio is lower, the use of people of not being convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art telescopic joint head and all being cup jointed, using the longer time after, because frictional force each other leads to leaking easily, when being connected between body and the body is accomplished through nut and screw thread simultaneously, the inefficiency ratio is lower, the problem that people used not convenient for, and the stereoplasm plastic conduit who provides with telescopic joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hard plastic pipeline with an expansion joint comprises a main pipeline and an auxiliary pipeline, wherein one end of the main pipeline is fixedly connected with an expansion sleeve, the other end of the expansion sleeve is fixedly connected with an annular block, a clamping mechanism is arranged on the annular block and comprises four balls, a sleeve and four springs, four through holes matched with the balls are symmetrically formed in the side wall of the annular block, the four balls are respectively arranged in the four through holes, the diameters of the four balls are larger than those of the through holes, the outer wall of the annular block is movably sleeved with the sleeve, the outer wall of the sleeve is symmetrically and fixedly connected with four fixed blocks, the left side walls of the four fixed blocks are respectively and fixedly connected with supporting rods, the rod wall of each supporting rod is movably sleeved with a positioning block, one end of each positioning block is fixedly connected with the outer wall of the main pipeline, and the four springs are respectively and movably sleeved, and the two ends of the spring are respectively fixedly connected with the side wall of the positioning block and the side wall of the supporting rod, and four arc-shaped clamping grooves matched with the balls are symmetrically formed in the outer wall of the auxiliary pipeline.

Preferably, the outer wall of the telescopic sleeve is movably sleeved with a reinforcing pipe, and one end of the reinforcing pipe is fixedly connected with the side walls of the four positioning blocks.

Preferably, four equal fixedly connected with dog of one end that the fixed block was kept away from to the bracing piece.

Preferably, two of them the fixed block deviates from the equal fixedly connected with pull ring of lateral wall on one side of bracing piece mutually, and the surface of pull ring has seted up anti-skidding line.

Preferably, a sealing washer is fixedly arranged on the side wall of one side, opposite to the main pipeline, of the auxiliary pipeline, and the sealing washer is abutted to the telescopic sleeve.

Preferably, the side walls of the two openings of the four through holes are provided with arc-shaped surfaces.

Compared with the prior art, the utility model provides a stereoplasm plastic conduit with expansion joint possesses following beneficial effect:

1. this stereoplasm plastic conduit with expansion joint through the telescope tube, bracing piece, locating piece and the fixed block that sets up, can make the telescope tube stretch out and draw back when the body expends with heat and contracts with cold, guarantees the normal work of body, the people's of being convenient for use.

2. This stereoplasm plastic conduit with expansion joint through the ball that sets up, sleeve pipe, annular piece and spring, can be convenient for link together between the pipeline, and work efficiency is high, the people's of being convenient for use.

The device does not involve the part all the same with prior art or can adopt prior art to realize, the utility model discloses can guarantee that the body normally works under expend with heat and contract with cold state, can not produce the friction, stability is good, the connection between two pipelines of being convenient for simultaneously, the people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a rigid plastic pipe with an expansion joint according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a main pipeline 1, an auxiliary pipeline 2, a telescopic sleeve 3, an annular block 4, a ball 5, a sleeve 6, a spring 7, a fixed block 8, a supporting rod 9, a positioning block 10, a reinforcing pipe 11, a stop block 12, a pull ring 13, a sealing washer 14 and an arc-shaped surface 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a rigid plastic pipeline with an expansion joint comprises a main pipeline 1 and an auxiliary pipeline 2, one end of the main pipeline 1 is fixedly connected with an expansion sleeve 3, the expansion sleeve 3 is of a rubber bellows type and can extend when heated, the other end of the expansion sleeve 3 is fixedly connected with a ring block 4, the ring block 4 is provided with a clamping mechanism, the clamping mechanism comprises four balls 5, a sleeve 6 and four springs 7, the side wall of the ring block 4 is symmetrically provided with four through holes matched with the balls 5, the four balls 5 are respectively arranged in the four through holes, the diameters of the four balls 5 are all larger than the diameters of the through holes, the outer wall of the ring block 4 is movably sleeved with the sleeve 6, the outer wall of the sleeve 6 is symmetrically and fixedly connected with four fixed blocks 8, the left side walls of the four fixed blocks 8 are all fixedly connected with a support rod 9, and the rod, and the one end of locating piece 10 and the outer wall fixed connection setting of trunk line 1, four springs 7 cup joint with four bracing pieces 9 activities respectively, and the both ends of spring 7 set up with the lateral wall of locating piece 10 and the lateral wall fixed connection of bracing piece 9 respectively, can make telescopic tube 3 return the normal position automatically through the pulling force of spring 7, and four arc draw-in grooves with ball 5 assorted are seted up to the outer wall symmetry of auxiliary line 2.

The outer wall activity cover of telescopic tube 3 is equipped with reinforced pipe 11, and the one end of reinforced pipe 11 and the lateral wall fixed connection setting of four locating pieces 10 can improve the stability of telescopic tube 3 in the use.

The equal fixedly connected with dog 12 of one end that fixed block 8 was kept away from to four bracing pieces 9 can prescribe a limit to the position of bracing piece 9, prevents to break away from mutually between bracing piece 9 and the locating piece 10.

Wherein two fixed blocks 8 back to the equal fixedly connected with pull ring 13 of lateral wall on one side of bracing piece 9, and the surface of pull ring 13 has seted up anti-skidding line, can be convenient for stimulate sleeve pipe 6 and remove, the people's of being convenient for use.

The lateral wall of the auxiliary pipeline 2 opposite to one side of the main pipeline 1 is fixedly provided with a sealing gasket 14, the sealing gasket 14 is abutted to the telescopic sleeve 3, and the rubber gasket 14 is of an existing structure and can improve the sealing performance between the auxiliary pipeline 2 and the telescopic sleeve 3.

The arcwall face 15 has all been seted up to the lateral wall of two openings part of four through-holes, can prescribe a limit to the position of ball 5, prevents that ball 5 from breaking away from the through-hole.

In the utility model, when in use, the sleeve 6 can be moved by pulling the fixed block 8 through the fixed block 8, and the position of the sleeve 6 for the ball 5 disappears, so that the ball 5 can move up and down in the through hole, then the auxiliary pipeline 2 is inserted into the annular block 4, and the arc-shaped clamping groove on the outer wall of the auxiliary pipeline 2 is arranged corresponding to the ball 5, then the supporting rod 9 and the fixed block 8 are driven by the pulling force of the spring 7 to move through the arranged spring 7, the sleeve 6 is driven by the movement of the fixed block 8 to move to resist the movement of the ball 5, so that the ball 5 is clamped into the arc-shaped groove, the position of the auxiliary pipeline 2 is limited, thereby the auxiliary pipeline 2 and the telescopic pipeline 3 are connected together, the use is convenient and rapid, the telescopic pipeline 3 can be conveniently used by people, and the telescopic pipeline 3 can be stretched when the pipe body expands with heat and contracts with cold, and the normal work of, simultaneously through bracing piece 9 and the reinforced pipe 11 that are equipped with, can improve the stability of telescopic tube 3 in the use, the use of the people of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hard plastic pipeline with the telescopic joint comprises a main pipeline (1) and an auxiliary pipeline (2) and is characterized in that one end of the main pipeline (1) is fixedly connected with a telescopic sleeve (3), the other end of the telescopic sleeve (3) is fixedly connected with a ring-shaped block (4), a clamping mechanism is arranged on the ring-shaped block (4) and comprises four balls (5), a sleeve (6) and four springs (7), four through holes matched with the balls (5) are symmetrically formed in the side wall of the ring-shaped block (4), the four balls (5) are respectively arranged in the four through holes, the diameters of the four balls (5) are larger than those of the through holes, the outer wall of the ring-shaped block (4) is movably sleeved with the sleeve (6), four fixing blocks (8) are symmetrically and fixedly connected with the outer wall of the sleeve (6), and supporting rods (9) are fixedly connected to the left side walls of the four fixing blocks (8), locating piece (10) has been cup jointed in the pole wall activity of bracing piece (9), and the one end of locating piece (10) sets up, four with the outer wall fixed connection of trunk line (1) spring (7) cup joints with four bracing piece (9) activities respectively, and the both ends of spring (7) set up with the lateral wall of locating piece (10) and the lateral wall fixed connection of bracing piece (9) respectively, four arc draw-in grooves with ball (5) assorted have been seted up to the outer wall symmetry of auxiliary duct (2).

2. The rigid plastic pipeline with the telescopic joint as claimed in claim 1, wherein a reinforcing pipe (11) is movably sleeved on the outer wall of the telescopic sleeve (3), and one end of the reinforcing pipe (11) is fixedly connected with the side walls of the four positioning blocks (10).

3. The rigid plastic pipeline with the expansion joint as claimed in claim 1, characterized in that the ends of the four support rods (9) far away from the fixed block (8) are fixedly connected with a stop block (12).

4. The rigid plastic pipeline with the expansion joint as claimed in claim 1, wherein the side walls of the two fixing blocks (8) opposite to the side of the support rod (9) are both fixedly connected with pull rings (13), and the surfaces of the pull rings (13) are provided with anti-skid threads.

5. The rigid plastic pipeline with the expansion joint as claimed in claim 1, wherein a sealing gasket (14) is fixedly arranged on the side wall of the auxiliary pipeline (2) opposite to one side of the main pipeline (1), and the sealing gasket (14) is abutted to the expansion sleeve (3).

6. The rigid plastic pipeline with the expansion joint as claimed in claim 1, wherein the side walls of the two openings of the four through holes are provided with arc-shaped surfaces (15).