CN217234826U

CN217234826U - Expansion joint with dustproof function

Info

Publication number: CN217234826U
Application number: CN202221168217.XU
Authority: CN
Inventors: 王超; 王霞; 艾桂喜
Original assignee: Jiangsu Runxia Machinery Manufacturing Co ltd
Current assignee: Jiangsu Runxia Machinery Manufacturing Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-19
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to an expansion joint with dustproof function, including an inflation section of thick bamboo, the left surface fixed mounting of an inflation section of thick bamboo has left fixed disk, the right side fixed mounting of an inflation section of thick bamboo has right fixed disk, the left surface of left side fixed disk and the equal fixed mounting of the right flank of right fixed disk have flange, the equal fixed mounting in a side that left side fixed disk and right fixed disk are close to an inflation section of thick bamboo has a supporting shoe, two there are first lag and second lag top surface of supporting shoe through hinge movable mounting respectively, the top of first lag and second lag is equipped with fixed subassembly. This expansion joint with dustproof function through with first lag and second lag cover in the outside of an expansion section of thick bamboo, the fixed subassembly of rethread is fixed first lag and second lag to make first lag and second lag play the effect of protection, and then improved the practicality of whole expansion joint.

Description

Expansion joint with dustproof function

Technical Field

The utility model relates to an expansion joint technical field specifically is an expansion joint with dustproof function.

Background

The expansion joint is a flexible element which can effectively compensate axial deformation, for example, the expansion joint welded on a shell of a fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, can compensate thermal expansion difference generated by different wall temperatures of a tube and the shell, 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, avoiding strength damage, instability damage and tube pull-off damage, and having more types of expansion joints, commonly used structures such as wave shapes, ring plate welding, shell clamping and the like, wherein the wave-shaped expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.

The existing self-balancing expansion joint realizes the axial flexibility of the expansion joint through the flexible pipe, and the flexible pipe of the expansion joint is exposed outside, so that the flexible pipe is damaged by sharp objects to influence the work of the expansion valve, and the expansion joint with the dustproof function is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an expansion joint with dustproof function possesses the advantage to the flexible pipe protection on the expansion joint, has solved because the flexible pipe of expansion joint is naked to expose in the outside, and then leads to the flexible pipe can suffer the problem that influences the expansion valve work by the sharp thing pounding in.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an expansion joint with dustproof function, includes an inflation section of thick bamboo, the left surface fixed mounting of an inflation section of thick bamboo has left fixed disk, the right side fixed mounting of an inflation section of thick bamboo has right fixed disk, be equipped with coupling assembling between left side fixed disk and the right fixed disk, the left surface of left side fixed disk and the equal fixed mounting of right flank of right fixed disk have flange, the equal fixed mounting in a side that left side fixed disk and right fixed disk are close to an inflation section of thick bamboo has the supporting shoe, two there are first lag and second lag top of supporting shoe through hinge movable mounting respectively, the top of first lag and second lag is equipped with fixed subassembly.

Further, the first protective sleeve and the second protective sleeve are both in a half-arc shape, and the expansion sleeve can be sleeved inside the first protective sleeve and the second protective sleeve.

Further, coupling assembling includes fixed block and connecting rod, the quantity of fixed block is four, four the fixed block is fixed mounting respectively on the periphery wall of left fixed disk and right fixed disk, the quantity of connecting rod is two, two the connecting rod runs through four fixed blocks respectively, and with four fixed block fixed connection.

Furthermore, four through holes which can be penetrated by the two connecting rods are formed in one side face, close to the expansion cylinder, of the fixing block, and the through holes are in clearance fit with the two connecting rods respectively.

Further, fixed subassembly includes connecting block, fixing bolt and nut, the quantity of connecting block is two, two the connecting block is fixed mounting respectively on the periphery wall of first lag and second lag, fixing bolt's one end runs through first lag and second lag in proper order and extends to its back, the fixed suit of nut is on the periphery wall of the fixing bolt who is located first lag and second lag back.

Further, two the activity hole that can supply fixing bolt to run through is all seted up in the front of connecting block, two the activity hole all with fixing bolt clearance fit.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this expansion joint with dustproof function through with first lag and second lag cover in the outside of an expansion section of thick bamboo, the fixed subassembly of rethread is fixed first lag and second lag to make first lag and second lag play the effect of protection, and then improved the practicality of whole expansion joint.

Drawings

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

fig. 2 is a left side view of the first and second protective sleeves of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1 according to the present invention.

In the figure: 1 expansion cylinder, 2 left fixed disks, 3 first lag, 4 flange, 5 fixed blocks, 6 connecting rods, 7 connecting blocks, 8 right fixed disks, 9 second lags, 10 fixing bolts, 11 nuts, 12 supporting blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment, an expansion joint with a dustproof function includes an expansion cylinder 1, a left fixed disk 2 is fixedly mounted on a left side surface of the expansion cylinder 1, a right fixed disk 8 is fixedly mounted on a right side surface of the expansion cylinder 1, a connecting assembly is arranged between the left fixed disk 2 and the right fixed disk 8, a connecting flange 4 is fixedly mounted on a left side surface of the left fixed disk 2 and a right side surface of the right fixed disk 8, supporting blocks 12 are fixedly mounted on a side surface of the left fixed disk 2 and a side surface of the right fixed disk 8 close to the expansion cylinder 1, a first protecting sleeve 3 and a second protecting sleeve 9 are movably mounted on top surfaces of the two supporting blocks 12 through hinges, and a fixing assembly is arranged on top portions of the first protecting sleeve 3 and the second protecting sleeve 9.

The first protective sleeve 3 and the second protective sleeve 9 are both in a half-arc shape, and the expansion sleeve 1 can be sleeved inside the first protective sleeve 3 and the second protective sleeve 9.

It should be noted that the expansion cylinder 1 is a flexible pipe part of the expansion joint, and the first protective sleeve 3 and the second protective sleeve 9 are both in a mesh shape, so that the ventilation inside the expansion cylinder 1 is not affected.

Specifically, connect together expansion cylinder 1 through two flange 4 and left fixed disk 2 and right fixed disk 8 earlier, overlap the outside at expansion cylinder 1 with movable mounting's first lag 3 and second lag 9 on supporting shoe 12 again next, make first lag 3 and second lag 9 play the effect of protection to expansion cylinder 1 through fixed subassembly again next, then coupling assembling makes expansion cylinder 1 more stable.

In this embodiment, coupling assembling includes fixed block 5 and connecting rod 6, and the quantity of fixed block 5 is four, and four fixed block 5 respectively fixed mounting are on the periphery wall of left fixed disk 2 and right fixed disk 8, and the quantity of connecting rod 6 is two, and two connecting rods 6 run through four fixed blocks 5 respectively, and with four fixed block 5 fixed connection.

Wherein, the through hole that can supply two connecting rods 6 to run through is all seted up to four fixed blocks 5 and is close to the side of expansion cylinder 1, and four through holes respectively with two connecting rods 6 clearance fit.

It should be noted that, after the two connecting rods 6 are connected to the four fixing blocks 5, the connecting rods 6 and the fixing blocks 5 need to be fixedly connected by a fixer.

Specifically, two connecting rods 6 penetrate through the four fixing blocks 5, so that the left fixing disc 2 and the right fixing disc 8 are connected together, and the expansion cylinder 1 is more stable.

In this embodiment, fixed subassembly includes connecting block 7, fixing bolt 10 and nut 11, the quantity of connecting block 7 is two, two connecting blocks 7 are fixed mounting respectively on the periphery wall of first lag 3 and second lag 9, fixing bolt 10's one end runs through first lag 3 and second lag 9 in proper order and extends to its back, the fixed suit of nut 11 is on being located the periphery wall of the fixing bolt 10 at first lag 3 and the back of second lag 9.

Wherein, the movable hole that can supply fixing bolt 10 to run through is all seted up in the front of two connecting blocks 7, and two movable holes all with fixing bolt 10 clearance fit.

Specifically, the fixing bolt 10 penetrates through the two connecting blocks 7 so that the first protective sleeve 3 is connected with the second protective sleeve 9, and then the nut 11 is fixed on the fixing bolt 10.

The working principle of the above embodiment is as follows:

firstly link together the section of thick bamboo 1 that expands through two flange 4 and left fixed disk 2 and right fixed disk 8, overlap the outside at the section of thick bamboo 1 with movable mounting's first lag 3 on supporting shoe 12 and second lag 9 cover immediately, it makes first lag 3 and second lag 9 be connected to run through two connecting blocks 7 with fixing bolt 10 again immediately, then fix nut 11 on fixing bolt 10 and fix, thereby make first lag 3 and second lag 9 play the effect of protecting the section of thick bamboo 1 that expands, then run through four fixed blocks 5 with two connecting rods 6, thereby make left fixed disk 2 and right fixed disk 8 link together, make the section of thick bamboo 1 that expands more stable, thereby accomplish whole operation flow.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The expansion joint with the dustproof function is characterized by comprising an expansion cylinder (1), wherein a left fixed disc (2) is fixedly mounted on the left side surface of the expansion cylinder (1), a right fixed disc (8) is fixedly mounted on the right side surface of the expansion cylinder (1), and a connecting assembly is arranged between the left fixed disc (2) and the right fixed disc (8);

the utility model discloses a novel expansion cylinder, including left side fixed disk (2), right side fixed disk (8), left side fixed disk (2) and right side fixed disk (8) all fixed mounting have flange (4), the equal fixed mounting in a side that left side fixed disk (2) and right fixed disk (8) are close to expansion cylinder (1) has supporting shoe (12), two the top surface of supporting shoe (12) has first lag (3) and second lag (9) through hinge movable mounting respectively, the top of first lag (3) and second lag (9) is equipped with fixed subassembly.

2. The expansion joint with the dustproof function according to claim 1, wherein: the first protective sleeve (3) and the second protective sleeve (9) are both in a semi-arc shape, and the expansion sleeve (1) can be sleeved inside the first protective sleeve (3) and the second protective sleeve (9).

3. The expansion joint with the dustproof function according to claim 1, wherein: coupling assembling includes fixed block (5) and connecting rod (6), the quantity of fixed block (5) is four, four fixed block (5) fixed mounting respectively is on the periphery wall of left fixed disk (2) and right fixed disk (8), the quantity of connecting rod (6) is two, two connecting rod (6) run through four fixed block (5) respectively, and with four fixed block (5) fixed connection.

4. The expansion joint with the dustproof function according to claim 3, wherein: four through holes which can be penetrated by the two connecting rods (6) are formed in one side face, close to the expansion cylinder (1), of the fixing block (5), and the through holes are in clearance fit with the two connecting rods (6) respectively.

5. The expansion joint with the dustproof function according to claim 1, wherein: fixed subassembly includes connecting block (7), fixing bolt (10) and nut (11), the quantity of connecting block (7) is two, two connecting block (7) fixed mounting respectively is on the periphery wall of first lag (3) and second lag (9), the one end of fixing bolt (10) runs through first lag (3) and second lag (9) in proper order and extends to its back, nut (11) fixed suit is on the periphery wall of fixing bolt (10) that is located first lag (3) and second lag (9) back.

6. The expansion joint with the dustproof function according to claim 5, wherein: two the activity hole that can supply fixing bolt (10) to run through is all seted up in the front of connecting block (7), two the activity hole all with fixing bolt (10) clearance fit.