CN212784705U

CN212784705U - PVC electric power pipe with connecting and fastening structure

Info

Publication number: CN212784705U
Application number: CN202021816808.4U
Authority: CN
Inventors: 张宏靖; 孙迪军
Original assignee: Wenzhou Taichang Cement Products Co ltd
Current assignee: Zhejiang Taichang Power Equipment Co.,Ltd.
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-23
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a PVC electric power pipe of structure is detained in area linking, including a pipe body, be provided with the linking of being used for two adjacent body coupling locking between the one end of body and the other end of adjacent body and detain the structure, the linking is detained the structure and is included the hasp that is fixed in body one end and is fixed in the joint subassembly of the body other end, the joint subassembly forms the joint with the hasp and constitutes the locking of being connected of two adjacent bodies, the other end of body is formed with the body one end axial male flaring of being convenient for, the internal diameter of flaring slightly is greater than the external diameter of body one end. The utility model provides a when the installation is more convenient, can improve the PVC electric power pipe of solid structure is detained in area linking of water pressure resistance ability.

Description

PVC electric power pipe with connecting and fastening structure

Technical Field

The utility model belongs to the technical field of the pipe connection instrument, especially, area links up and detains PVC electric power pipe of solid structure.

Background

The PVC power pipe is produced by using PVC resin as main material, adding proper amount of stabilizer, lubricant, filler, coloring agent, etc. and through extrusion in plastic extruder, injection in injection molding machine, cooling, solidification, setting, inspection, packing and other steps.

At present, some outdoor or the pre-buried PVC electric power pipeline who uses of earth's surface adopt direct grafting's mode to fix mostly, wherein direct grafting though easy operation, simple to operate, but sealed level is lower, be difficult to satisfy the great service environment of water pressure, therefore, how to improve water pressure resistance, it seems especially important to prevent linking department's seepage, in addition, at present laying PVC electric power pipeline in-process, owing to all bury it in the ground bottom, the linking department of pipe fitting receives the extrusion that the earth's surface subsides easily and takes place to break away from or form great gap, thereby lead to inside intaking, especially some get into with the material that the cable material reacts, thereby take place the condition of intraductal circuit damage. In the maintenance process, the whole local line may need to be excavated again, so that the operation is complex, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a PVC electric power tube which can improve the water pressure resistance and has a buckling structure by the belt connection when the installation is more convenient.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a PVC electric power pipe of structure is detained in area linking, includes the body, be provided with the linking of being used for two adjacent body coupling locking between the one end of body and the other end of adjacent body and detain the structure, the linking is detained the structure and is included the hasp that is fixed in body one end and is fixed in the joint subassembly of the body other end, the joint subassembly forms the connection locking of joint constitution two adjacent bodies with the hasp, the other end of body is formed with the body one end axial male flaring of being convenient for, the internal diameter of flaring slightly is greater than the external diameter of body one end.

Adopt above-mentioned scheme, two adjacent bodys are when connecting, at first insert the flaring of the body other end with the one end axial of body, the internal diameter of flaring slightly is greater than the external diameter of body one end, only need reach make things convenient for body one end to insert in the flaring of adjacent body and form the outer wall of body one end and the purpose of the inner wall laminating of flaring can, certain sealed effect can be reached, the rethread sets up the hasp in body one end and forms the joint with the joint subassembly of the adjacent body other end, when making two adjacent bodys connect, keep fixed in the axial, prevent that the linking department of two bodys from receiving the extrusion and the separation of warping, improve the joint strength of two bodys, get into the compressive capacity that can guarantee linking department.

As a further setting of the utility model, the hasp is including setting up the couple in body one end, the couple is provided with the hook groove of opening towards the body other end, the joint subassembly corresponds the lateral wall that sets up at the body other end, the joint subassembly includes fixing base, spring bolt and monkey wrench, fixing base and body fixed connection, monkey wrench's one end is articulated to be set up on the fixing base, the spring bolt rotates through the pivot to set up on monkey wrench, the spring bolt is withheld thereby hook inslot back drive monkey wrench forms the locking lock joint of spring bolt and couple towards couple antiport.

Adopt above-mentioned scheme, the couple sets up in body one end, and the fixing base of joint subassembly is fixed at the body other end, at first through drive adjustable spanner for the spring bolt can be buckled into in the hook groove of couple, then drive adjustable spanner towards couple antiport, make the spring bolt can fully the lock form the locking lock joint of spring bolt and couple in the hook groove, reach the purpose of adjacent two body axial fixed linking, simple structure, installation convenient operation.

As a further setting of the utility model, the couple is extended along body lateral wall circumference, body other end radial symmetry be provided with a pair ofly can with the couple lock joint simultaneously the joint subassembly, the spring bolt is including being used for detaining the portion of holding of hooking in the hook groove and being used for connecting the pivot and the regulation pole of the portion of holding of hooking, through adjusting nut group fixed connection between regulation pole and the pivot, the portion of holding of hooking is the semicircle ring-type with hook groove looks adaptation, the couple is formed with the breach of being convenient for adjust the pole activity.

Adopt above-mentioned scheme, can adjust the length of adjusting lever through adjusting the adjusting nut group on the pole, be provided with on the pole with the adjusting nut group closes the screw thread of twisting soon, thereby the convenience is when dismantling, earlier through adjusting the length of adjusting lever, make the spring bolt deviate from the hook groove more easily, reach the purpose of quick dismantlement joint subassembly, the condition emergence of the excessive spring bolt that leads to deviating from in the hook groove of locking when avoiding because of the lock joint, in addition, can improve the application scope of joint subassembly, improve the commonality of product. Wherein, extend the couple along body lateral wall circumference to make the portion of holding with the semicircle ring-shaped with hook groove looks adaptation, through two portions of holding with the hook of symmetry, can surround the body better scope, make the fastening force that will form act on around whole body, thereby improve the leakproofness of each position in circumference between the adjacent body.

As a further setting of the utility model, the joint subassembly includes the safety catch, the fixing base all is provided with the confession with adjustable spanner the through-hole that the safety catch passed in proper order.

By adopting the scheme, the movable spanner can be prevented from rotating accidentally by arranging the safety pin between the fixed seat and the movable spanner.

As a further setting of the utility model, the fixed elastic rubber piece that is provided with on the terminal surface of body one end, the inner wall radial inward extension of flaring form with the same annular flange of body one end thickness, annular flange is provided with and is used for elastic rubber piece axial male annular, elastic rubber piece forms sealed cooperation with the annular inner wall.

By adopting the scheme, when the adjacent pipe bodies are spliced, the elastic rubber blocks can be axially inserted into the annular grooves, and in the subsequent locking and buckling process of the splicing and buckling structure, the elastic rubber blocks gradually form compression in the annular grooves, so that the elastic rubber blocks can form elastic butt with the inner walls of the annular grooves to form sealing connection, and the sealing performance is improved.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic exterior view of an embodiment of the present invention;

FIG. 2 is a schematic view of the appearance of the embodiment of the present invention when two adjacent pipes are connected;

FIG. 3 is a cross-sectional view of the connection between two adjacent pipes according to the embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is an enlarged view of a portion B in fig. 3.

Detailed Description

The utility model discloses a concrete embodiment is shown in fig. 1-5, a PVC electric power pipe of structure is detained in area linking, including body 1, be provided with between the one end 11 of body and the other end 12 of adjacent body and be used for adjacent two bodies 1 to connect the linking of locking and detain structure 2, linking is detained structure 2 and is included being fixed in the hasp 21 of body one end 11 and being fixed in the joint subassembly 22 of body other end 12, joint subassembly 22 forms the joint with hasp 21 and constitutes the connection locking of adjacent two bodies 1. The other end 12 of the tube body is formed with a flared end 121 for facilitating axial insertion of the one end 11 of the tube body, and the inner diameter of the flared end 121 is slightly larger than the outer diameter of the one end 11 of the tube body.

In this embodiment, hasp 21 is including setting up the couple 211 at body one end 11, couple 211 is provided with the hook slot 2111 of opening towards body other end 12, the corresponding lateral wall that sets up at body other end 12 of joint subassembly 22, joint subassembly 22 includes fixing base 221, spring bolt 222 and monkey wrench 223, fixing base 221 and body 1 fixed connection, monkey wrench 223's one end is passed through the articulated setting of round pin axle 2231 on fixing base 221, spring bolt 222 rotates through pivot 224 and sets up on monkey wrench 223, spring bolt 222 buckles thereby back drive monkey wrench 223 forms the locking of spring bolt 222 and couple 211 to lock the lock joint towards couple 211 counter-rotating in the hook slot 2111.

In this embodiment, the hook 211 extends circumferentially along the outer side wall of the tube body 1, the other end 12 of the tube body is symmetrically provided with a pair of the latch assemblies 22 capable of being fastened to the hook 211 in a radial direction, the latch 222 includes a hooking portion 2221 for being fastened into the hook slot 2111 and an adjusting lever 2222 for connecting the rotating shaft 224 and the hooking portion 2221, the adjusting lever 2222 is fixedly connected to the rotating shaft 224 through an adjusting nut set 225, the end of the rotating shaft 224 is provided with an opening through which the adjusting lever 2222 passes, nuts of the adjusting nut set 225 are respectively disposed on two sides of the opening, the hooking portion 2221 is in a semi-circular shape adapted to the hook slot 2111, the length of the adjusting lever 2222 can be adjusted through the adjusting nut set 225 on the adjusting lever 2222, and threads are disposed on the adjusting lever 2222, so that when the latch is detached, the purpose of rapidly detaching can be achieved by adjusting the length of the adjusting lever 2222 first, and the situation that the latch 222 cannot be detached from the hook slot 2111 due to, in addition, the application range of the clamping assembly 22 can be improved, and the universality of products is improved. The hook 211 is provided with a notch 2112 convenient for the movement of the adjusting rod 2222, so that the product structure is more reasonable.

In this embodiment, the clamping assembly 22 includes a safety pin 226, and the fixing base 221 and the adjustable wrench 223 are both provided with through holes (with omitted drawings) for the safety pin 226 to sequentially pass through.

In this embodiment, the end face of the one end 11 of the tube body is fixedly provided with the elastic rubber block 3, the inner wall of the flared opening 121 extends radially inwards to form an annular flange 1211 with the same thickness as the one end 11 of the tube body, the annular flange 1211 is provided with an annular groove 12111 for the elastic rubber block 3 to be inserted axially, and the elastic rubber block 3 is in sealing fit with the inner wall of the annular groove 12111. The axial cross-section of elasticity rubber block 3 is trapezoidal, makes things convenient for in elasticity rubber block 3 axial inserts annular 12111, links up the in-process of 2 locking lock joints of knot structure, forms the compression in annular 12111 gradually to can form elasticity butt with annular 12111 inner wall and in order to constitute sealing connection, improve sealing performance.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a PVC electric power pipe of structure is detained in area linking which characterized in that: the pipe comprises a pipe body, be provided with between the one end of body and the other end of adjacent body and be used for linking of two adjacent body coupling locking to detain solid structure, linking is detained solid structure and is included the hasp that is fixed in body one end and is fixed in the joint subassembly of the body other end, the joint subassembly forms the joint with the hasp and constitutes the coupling locking of two adjacent bodies, the other end of body is formed with the flaring of being convenient for body one end axial male, the internal diameter of flaring slightly is greater than the external diameter of body one end.

2. The PVC power pipe with an engagement fastening structure according to claim 1, wherein: the hasp is including setting up the couple in body one end, the couple is provided with the hook groove of opening towards the body other end, the joint subassembly corresponds the lateral wall that sets up at the body other end, the joint subassembly includes fixing base, spring bolt and monkey wrench, fixing base and body fixed connection, monkey wrench's one end is articulated to be set up on the fixing base, the spring bolt rotates through the pivot and sets up on monkey wrench, thereby the spring bolt is detained thereby the lock joint of spring bolt and couple is formed towards couple antiport to the drive monkey wrench behind the hook inslot.

3. The PVC power pipe with an engagement fastening structure according to claim 2, wherein: the couple is along body lateral wall circumference extension, body other end radial symmetry be provided with a pair ofly can with couple lock joint simultaneously the joint subassembly, the spring bolt is including being used for detaining the hook portion of holding of hooking in the inslot and being used for connecting the pivot and the regulation pole of holding the portion of hooking, through adjusting nut group fixed connection between regulation pole and the pivot, the portion of holding of hooking is the semicircle ring-shaped with hook groove looks adaptation, the couple is formed with the breach of being convenient for adjust the pole activity.

4. The PVC power tube with the engagement fastening structure as claimed in claim 2 or 3, wherein: the clamping assembly comprises a safety pin, and the fixing base and the adjustable wrench are provided with through holes for the safety pin to sequentially pass through.

5. The PVC power pipe with an engagement fastening structure according to claim 1, wherein: the fixed elastic rubber piece that is provided with on the terminal surface of body one end, the inner wall radial inward extension of flaring form with the same annular flange of body one end thickness, annular flange is provided with and is used for elastic rubber piece axial male annular, elastic rubber piece and annular inner wall form sealed cooperation.