CN213511575U

CN213511575U - Flexible expansion pipe

Info

Publication number: CN213511575U
Application number: CN202022009424.8U
Authority: CN
Inventors: 陈吉祥
Original assignee: Jilin Fuyuan Petroleum Technology Co ltd
Current assignee: Jilin Fuyuan Petroleum Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-22
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a flexible expansion pipe, which comprises an end head, wherein the bottom surface of the end head is fixedly connected with symmetrical expansion brackets, the two expansion brackets are fixedly connected with symmetrical first lugs, flexible gaskets are fixedly sleeved on the first lugs, and the flexible gaskets are fixedly connected with plastic elastic pieces; the top end of the flexible gasket is fixedly connected with a connecting elastic sheet, and the plastic elastic sheet is fixedly connected with the flexible gasket through the connecting elastic sheet; the bottoms of the two expansion brackets are fixedly connected with fixed end blocks, the surfaces of the two fixed end blocks are fixedly sleeved with elastic rubber rings, and screw teeth are engraved on the surfaces of the elastic rubber rings; the top surface and the bottom surface of the end head are provided with threaded through holes in a penetrating mode, and the flexibility of the expansion pipe is changed through the device, so that the expansion pipe is convenient to install and use for the second time.

Description

Flexible expansion pipe

Technical Field

The utility model relates to a plastic processing technology field especially relates to a flexible expansion pipe.

Background

Firstly, the same name called expansion pipe has two objects, one is petroleum expansion pipe, the other is expansion pipe for mounting screw and is also called plastic expansion screw, and the plastic expansion pipe for mounting is just introduced here, and the expansion pipe is also called expansion pipe, expansion plug, expansion colloidal particle, wall plug, plastic anchor bolt and the like.

Although current expansion pipe is made by plastics, its body needs direct rigid mount in the wall body, and the harder flexibility degree of the plastics material that the expansion pipe used is relatively poor, when it used the dismantlement again, its deformation was difficult to be resumeed originally, can become flexible inefficacy when carrying out the secondary use, so need design a neotype expansion pipe and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a flexible expansion pipe changes the flexibility degree of expansion pipe to make things convenient for the secondary installation of expansion pipe to use.

In order to solve the technical problem, the utility model provides a following technical scheme: a flexible expansion pipe comprises an end head, wherein the bottom surface of the end head is fixedly connected with symmetrical expansion supports, the two expansion supports are fixedly connected with symmetrical first convex blocks, flexible gaskets are fixedly sleeved on the first convex blocks, and the flexible gaskets are fixedly connected with plastic elastic sheets; the top end of the flexible gasket is fixedly connected with a connecting elastic sheet, and the plastic elastic sheet is fixedly connected with the flexible gasket through the connecting elastic sheet; the bottoms of the two expansion brackets are fixedly connected with fixed end blocks, the surfaces of the two fixed end blocks are fixedly sleeved with elastic rubber rings, and screw teeth are engraved on the surfaces of the elastic rubber rings; and the top surface and the bottom surface of the end head are provided with threaded through holes in a penetrating way.

As an optimized technical scheme of the utility model, the bottom surface edge of end all is equipped with the chamfer, and the chamfer is forty-five degrees.

As an optimized technical scheme of the utility model, the screw tooth fixed connection second lug.

As an optimized technical scheme of the utility model, first lug becomes the even arrangement of route array equidistance.

As an optimized technical solution of the present invention, the joint of the first bump and the expansion bracket is rounded, and the fillet is sixty degrees.

As an optimized technical proposal of the utility model, the surface of the end is plated with a stainless steel metal layer.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. after the device is finished, the flexible gasket is fixedly connected with the plastic elastic sheet by fixedly sleeving the flexible gasket on the first bump; the top end of the flexible gasket is fixedly connected with a connecting elastic sheet, and the plastic elastic sheet is fixedly connected with the flexible gasket through the connecting elastic sheet; elastic rubber rings are fixedly sleeved on the surfaces of the two fixed end blocks, so that the flexibility of the expansion pipe is changed, and the expansion pipe is convenient to mount and use for the second time;

2. after the device is completed, the edge of the bottom surface of the end is provided with the chamfer, so that the device is uniformly attached to a wall body when being installed on the wall body, and the contact is more sufficient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the fixing end block of the present invention;

FIG. 3 is a schematic view of the elastic rubber ring structure of the present invention;

FIG. 4 is an enlarged schematic view of the plastic spring of the present invention;

FIG. 5 is a schematic cross-sectional view of the end of the present invention;

wherein: 1. a tip; 2. expanding the stent; 3. a first bump; 4. a flexible gasket; 5. a stainless steel metal layer; 6. a plastic spring plate; 7. connecting the elastic sheets; 8. a fixed end block; 9. an elastic rubber ring; 10. thread teeth; 11. a second bump; 12. a threaded through bore.

Detailed Description

The present invention will be further described with reference to specific examples in order to make the technical means, the technical features, the technical objects, and the functions of the present invention easier to understand, but the following examples are only preferred embodiments of the present invention, and not all embodiments of the present invention. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a flexible expansion pipe, which comprises an end head 1, two symmetrical expansion brackets 2 fixedly connected to the bottom surface of the end head 1, two symmetrical first bumps 3 fixedly connected to the two expansion brackets 2, a flexible gasket 4 fixedly sleeved on the first bumps 3, and a plastic elastic sheet 6 fixedly connected to the flexible gasket 4; the top end of the flexible gasket 4 is fixedly connected with a connecting elastic sheet 7, and the plastic elastic sheet 6 is fixedly connected with the flexible gasket 4 through the connecting elastic sheet 7; the bottoms of the two expansion brackets 2 are fixedly connected with fixed end blocks 8, the surfaces of the two fixed end blocks 8 are fixedly sleeved with elastic rubber rings 9, and the surfaces of the elastic rubber rings 9 are provided with screw teeth 10 in an engraved manner; the top surface and the bottom surface of the end head 1 are provided with a threaded through hole 12 in a penetrating way;

after the device is finished, the elastic rubber ring 9 of the device is firstly placed into a wall body, the flexible gasket 4 is fixedly sleeved on the first bump 3, when the device is placed on the wall body, flexible buffering is added, the flexible gasket 4 is fixedly connected with the plastic elastic sheet 6, and the device enters the wall body to add transition buffering; the top end of the flexible gasket 4 is fixedly connected with a connecting elastic sheet 7, and the plastic elastic sheet 6 is fixedly connected with the flexible gasket 4 through the connecting elastic sheet 7, so that the flexibility of deformation recovery of the device is increased; the surfaces of the two fixed end blocks 8 are fixedly sleeved with elastic rubber rings 9, and screw teeth 10 are engraved on the surfaces of the elastic rubber rings, so that the elastic head part can conveniently enter a wall body, and the installation flexibility of the expansion pipe is changed.

In another embodiment, as shown in fig. 1 and 5, the utility model discloses that the bottom edges of the end head 1 are provided with chamfers, and the chamfers are forty-five degrees;

the edges of the bottom surface of the end head 1 are provided with chamfers, so that after the device enters a wall body, the chamfers are attached to the end surface of the hole of the wall body, and the contact is tighter.

In another embodiment, as shown in fig. 1 and 3, the present invention discloses that the screw thread 10 is fixedly connected to the second projection 11;

the thread teeth 10 are fixedly connected with the second protruding blocks 11, so that the friction of the device is increased when the device enters a wall body conveniently, and the device cannot rebound.

In another embodiment, as shown in fig. 1, the present invention discloses that the first bumps 3 are uniformly arranged in a path array at equal intervals;

after the device is completed, the flexible contact area of the wall body part can be increased by uniformly arranging the first lugs 3 at equal intervals.

In another embodiment, as shown in fig. 1 and 4, the present invention discloses that the junction of the first projection 3 and the expansion bracket 2 is rounded, and the fillet is sixty degrees;

the junction between the first projection 3 and the expansion bracket 2 is rounded to increase the strength of the root of the first projection 3.

In another embodiment, as shown in fig. 1, the present invention discloses a stainless steel metal layer 5 plated on the surface of the end head 1;

after the device is completed, the surface of the end head 1 is plated with the stainless steel metal layer 5, so that the strength of the end head 1 is increased.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A flexible expansion pipe, comprising a head (1), characterized in that: the bottom surface of the end head (1) is fixedly connected with symmetrical expansion supports (2), the two expansion supports (2) are fixedly connected with symmetrical first convex blocks (3), the first convex blocks (3) are fixedly sleeved with flexible gaskets (4), and the flexible gaskets (4) are fixedly connected with plastic elastic sheets (6); the top end of the flexible gasket (4) is fixedly connected with a connecting elastic sheet (7), and the plastic elastic sheet (6) is fixedly connected with the flexible gasket (4) through the connecting elastic sheet (7); the bottoms of the two expansion brackets (2) are fixedly connected with fixed end blocks (8), the surfaces of the two fixed end blocks (8) are fixedly sleeved with elastic rubber rings (9), and threading teeth (10) are engraved on the surfaces of the elastic rubber rings (9); the top surface and the bottom surface of the end head (1) are provided with a threaded through hole (12) in a penetrating way.

2. A flexible expansion pipe according to claim 1, wherein: the bottom surface edge of end (1) all is equipped with the chamfer, and the chamfer is forty-five degrees.

3. A flexible expansion pipe according to claim 1, wherein: the thread teeth (10) are fixedly connected with the second convex blocks (11).

4. A flexible expansion pipe according to claim 1, wherein: the first bumps (3) are uniformly arranged in a path array at equal intervals.

5. A flexible expansion pipe according to claim 1, wherein: the joint of the first bump (3) and the expansion bracket (2) is rounded, and the round angle is sixty degrees.

6. A flexible expansion pipe according to claim 1, wherein: and a stainless steel metal layer (5) is plated on the surface of the end head (1).