CN210800408U - Elastic buffer type expansion joint - Google Patents
Elastic buffer type expansion joint Download PDFInfo
- Publication number
- CN210800408U CN210800408U CN201921872719.9U CN201921872719U CN210800408U CN 210800408 U CN210800408 U CN 210800408U CN 201921872719 U CN201921872719 U CN 201921872719U CN 210800408 U CN210800408 U CN 210800408U
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- expansion joint
- connecting rod
- fixed
- joint body
- connective bar
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Abstract
The utility model discloses an elastic buffer formula expansion joint relates to expansion joint technical field. The utility model discloses an including the expansion joint body, expansion joint body both sides all are fixed with the mounting disc, the mounting disc surface all is fixed with a plurality of mounting holes, the inside swing joint of two mounting holes has positioner, positioner includes first connective bar, first connective bar one end is fixed with spacing pipe, spacing pipe surface is opened there is spacing hole, first connective bar inner wall is opened there is first screwed pipe, first connective bar inner wall swing joint has the second connective bar, second connective bar one end is fixed with the movable rod, the movable rod surface is opened there is the second screwed pipe. The expansion joint body fixing device has the advantages that through the action of the positioning device, a user can fix the expansion joint body and the flange plate by using the screw rod after fixing the expansion joint body, the device is reasonable in structure and simple to operate, the installation of the expansion joint body can be completed by one user, and the working efficiency of workers is higher; the spring is arranged, so that a good buffering effect can be achieved.
Description
Technical Field
The utility model belongs to the technical field of the expansion joint, especially, relate to an expansion joint.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave, ring plate welding, clamping shell type and the like, wherein the wave expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
The expansion joint needs the mounting hole of expansion joint one side and the mounting hole on ring flange surface align the back when the installation, and reuse threaded rod is installed, and this in-process needs alone to hold up expansion joint and ring flange and keep its alignment, and another alone installs again, and this process is comparatively loaded down with trivial details, and installation efficiency is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elastic buffer formula expansion joint, through positioner's effect, can fix expansion joint body and ring flange after fixing the expansion joint body user recycle screw rod and fix, the device is rational in infrastructure, the operation is thus simple, can make the user alone just can accomplish the installation to the expansion joint body, make workman's work efficiency higher, it needs alone to hold up expansion joint and ring flange and keep its alignment to have solved in the traditional installation, alone installs again in addition, this process is comparatively loaded down with trivial details, and the not high problem of installation effectiveness.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an elastic buffer type expansion joint, which comprises an expansion joint body, wherein mounting discs are fixed on both sides of the expansion joint body, and a plurality of mounting holes are fixed on the surfaces of the mounting discs;
the positioning device comprises a first connecting rod, a limiting pipe is fixed at one end of the first connecting rod, a limiting hole is formed in the surface of the limiting pipe, and a first threaded pipe is formed in the inner wall of the first connecting rod;
a second connecting rod is movably connected to the inner wall of the first connecting rod, a movable rod is fixed to one end of the second connecting rod, a second threaded pipe is arranged on the surface of the movable rod, limiting rods are fixed to one ends of the first connecting rod and the second connecting rod, and a plurality of positioning blocks are fixed to the surface of each limiting rod;
one end of the movable rod is fixed with a rotating shaft, a movable plate is fixed on the outer ring of the rotating shaft, and a spring is fixed between the movable plate and the inner wall of the first connecting rod.
Furthermore, the positioning block is of a cylindrical structure and is made of a rubber material.
Furthermore, the first threaded pipe is in threaded connection with the second threaded pipe, and the second connecting rod penetrates through the limiting hole.
Furthermore, the outer surfaces of the first connecting rod and the second connecting rod are respectively fixed with a protection pipe, and the protection pipes are made of rubber materials.
Furthermore, the limiting hole is of a cylindrical structure, and the outer ring of the second connecting rod is in clearance fit with the limiting hole.
The utility model discloses following beneficial effect has:
the utility model discloses a positioner's effect, the screw rod that can recycle after fixing expansion joint body is fixed expansion joint body and ring flange, and the device is rational in infrastructure, and easy operation can make the user alone just can accomplish the installation to the expansion joint body, makes workman's work efficiency higher. The spring is arranged, so that a good buffering effect can be achieved.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the elastic buffer type expansion joint of the present invention;
FIG. 2 is a schematic structural view of the positioning device of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-expansion joint body, 2-mounting plate, 3-mounting hole, 4-positioning device, 5-first connecting rod, 6-limiting pipe, 7-limiting hole, 8-first threaded pipe, 9-second connecting rod, 10-movable rod, 11-second threaded pipe, 12-limiting rod, 13-positioning block, 14-rotating shaft, 15-movable plate, 16-spring and 17-protection pipe.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention relates to an elastic buffer expansion joint, which comprises an expansion joint body 1, wherein mounting plates 2 are fixed on both sides of the expansion joint body 1, and a plurality of mounting holes 3 are fixed on the surfaces of the mounting plates 2;
the positioning devices 4 are movably connected inside the two mounting holes 3, each positioning device 4 comprises a first connecting rod 5, one end of each first connecting rod 5 is fixedly provided with a limiting pipe 6, the surface of each limiting pipe 6 is provided with a limiting hole 7, and the inner wall of each first connecting rod 5 is provided with a first threaded pipe 8;
a second connecting rod 9 is movably connected to the inner wall of the first connecting rod 5, a movable rod 10 is fixed to one end of the second connecting rod 9, a second threaded pipe 11 is arranged on the surface of the movable rod 10, a limiting rod 12 is fixed to each of the first connecting rod 5 and one end of the second connecting rod 9, and a plurality of positioning blocks 13 are fixed to the surface of the limiting rod 12;
one end of the movable rod 10 is fixed with a rotating shaft 14, a movable plate 15 is fixed on the outer ring of the rotating shaft 14, and a spring 16 is fixed between the movable plate 15 and the inner wall of the first connecting rod 5.
As shown in fig. 2, the positioning block 13 is a cylindrical structure, and the positioning block 13 is made of a rubber material.
As shown in fig. 3, the first threaded pipe 8 is in threaded connection with the second threaded pipe 11, and the second connecting rod 9 penetrates through the limiting hole 7.
As shown in fig. 3, a protection tube 17 is fixed on the outer surface of each of the first connecting rod 5 and the second connecting rod 9, and the protection tube 17 is made of rubber material.
As shown in fig. 2, the limiting hole 7 is a cylindrical structure, and the outer ring of the second connecting rod 9 is in clearance fit with the limiting hole 7.
The working principle of the embodiment is as follows: the utility model discloses it is right after with mounting hole 3 and ring flange when using, rotate first connective bar 5 and second connective bar 9, the movable rod 10 of 9 one ends of second connective bar rotates in the 8 outsides of the inside first screwed pipe of first connective bar 5, the length that makes first connective bar 5 and second connective bar 9 becomes long, make the gag lever post 12 card at both ends advance in the corresponding mounting hole 3 of ring flange, the ring flange of expansion joint body 1 can be fixed, the user recycles the screw rod and fixes expansion joint body 1, the device is rational in infrastructure, and easy operation, can make alone can accomplish the installation to expansion joint body 1 of user, make workman's work efficiency higher.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an elasticity buffering formula expansion joint, includes expansion joint body (1), its characterized in that: mounting discs (2) are fixed on two sides of the expansion joint body (1), and a plurality of mounting holes (3) are fixed on the surfaces of the mounting discs (2);
a positioning device (4) is movably connected inside the two mounting holes (3), the positioning device (4) comprises a first connecting rod (5), a limiting pipe (6) is fixed at one end of the first connecting rod (5), a limiting hole (7) is formed in the surface of the limiting pipe (6), and a first threaded pipe (8) is formed in the inner wall of the first connecting rod (5);
a second connecting rod (9) is movably connected to the inner wall of the first connecting rod (5), a movable rod (10) is fixed to one end of the second connecting rod (9), a second threaded pipe (11) is arranged on the surface of the movable rod (10), limiting rods (12) are fixed to one ends of the first connecting rod (5) and the second connecting rod (9), and a plurality of positioning blocks (13) are fixed to the surfaces of the limiting rods (12);
one end of the movable rod (10) is fixed with a rotating shaft (14), the outer ring of the rotating shaft (14) is fixed with a movable plate (15), and a spring (16) is fixed between the movable plate (15) and the inner wall of the first connecting rod (5).
2. The elastic buffer type expansion joint as claimed in claim 1, wherein said positioning block (13) is of a cylindrical structure, and said positioning block (13) is made of rubber material.
3. The elastically cushioned expansion joint of claim 1, wherein the first threaded tube (8) is threadedly connected to a second threaded tube (11), and the second connecting rod (9) extends through the retaining hole (7).
4. The elastically cushioned expansion joint of claim 1, wherein a protective tube (17) is fixed to the outer surface of each of the first connecting rod (5) and the second connecting rod (9), the protective tube (17) being made of a rubber material.
5. The elastic buffer type expansion joint as claimed in claim 1, wherein the limiting hole (7) is of a cylindrical structure, and the outer ring of the second connecting rod (9) is in clearance fit with the limiting hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872719.9U CN210800408U (en) | 2019-11-02 | 2019-11-02 | Elastic buffer type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872719.9U CN210800408U (en) | 2019-11-02 | 2019-11-02 | Elastic buffer type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210800408U true CN210800408U (en) | 2020-06-19 |
Family
ID=71242976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921872719.9U Active CN210800408U (en) | 2019-11-02 | 2019-11-02 | Elastic buffer type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210800408U (en) |
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2019
- 2019-11-02 CN CN201921872719.9U patent/CN210800408U/en active Active
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