CN217899203U - A bimetal wear-resistant steel pipe expansion joint - Google Patents

Abstract

The utility model discloses a bimetal wear-resistant steel pipe telescopic joint, specifically relates to the field of telescopic joints, comprising a telescopic joint body, a connecting seat, a mounting seat, and a connecting pipe, two ends of the telescopic joint body are symmetrically provided with connecting seats, and the connecting seats One side is provided with a mounting base, one side of the mounting base is fixedly connected with a connecting pipe, the middle part of the connecting base is provided with two limiting blocks, and the middle part of the connecting base is symmetrically provided with a limiting chute at a position corresponding to the limiting blocks. Firstly, the utility model can conveniently install and fix the body of the telescopic joint through the provided first screw rod, improve the fixing strength, and avoid inclination during installation, which affects the stability of the installation. Squeeze, squeeze the gasket in turn, which can improve the sealing effect of the connection. At the same time, when the gasket is damaged, the extrusion force on the gasket can be increased, thereby increasing the sealing effect and realizing the emergency sealing effect.

Description

A bimetal wear-resistant steel pipe expansion joint

technical field

The utility model relates to the technical field of expansion joints, more specifically, the utility model relates to a bimetal wear-resistant steel tube expansion joint.

Background technique

Expansion joints can also be called pipeline expansion joints, compensators, and expansion joints. Expansion joints (expansion joints) are mainly used to compensate the expansion and contraction deformation of pipelines due to temperature changes, and are also used for length compensation of pipelines due to installation and adjustment. It is divided into three structural forms: elbow type expansion joint, bellows expansion joint and casing expansion joint.

The existing published application number is CN202122452269.1, which is a high-efficiency wear-resistant telescopic joint, including a bellows, a feed flange and a discharge flange; one end of the bellows is provided with a feed flange, and the other end of the bellows is There is a discharge flange; the inside of the feed flange is provided with a telescopic tube, the inside of the telescopic tube is bonded with a rubber layer, and the inner wall of the rubber layer is bonded with a wear-resistant layer; the discharge flange A ceramic tube is arranged inside, and the ceramic tube is sheathed on the telescopic tube. Compared with the prior art, the utility model has the beneficial effects that: the device can increase the wear resistance inside the telescopic joint through the wear-resistant layer and the ceramic tube, and the ceramic tube can be set on the telescopic tube to prevent the The ceramic tube is separated from the telescopic tube, the corrugated tube can be supported by the threaded rod, and the corrugated tube can be stabilized by the stabilizing spring, which can buffer the vibration of the corrugated tube

However, in actual use, it is easy to cause liquid leakage due to the damage of the sealing gasket, and the sealing strength cannot be increased in time to realize emergency sealing treatment, resulting in increased leakage and waste.

Contents of the invention

In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a bimetal wear-resistant steel pipe expansion joint, through the cooperation of the set block, the limit block, the second screw and other structures, it is convenient to adjust the expansion joint body For installation and use, improve the connection strength and the tightness of the connection at the same time. When the gasket is damaged and the seal is not tight, you can increase the extrusion force at any time to improve the sealing strength and realize the role of emergency sealing to solve the problems raised in the above background technology. .

In order to achieve the above purpose, the utility model provides the following technical solutions: a bimetal wear-resistant steel pipe telescopic joint, including the telescopic joint body, the connecting seat, the mounting seat, and the connecting pipe, and the two ends of the telescopic joint body are symmetrically provided with the connecting seat , one side of the connecting seat is provided with a mounting seat, one side of the mounting seat is fixedly connected with a connecting pipe, the middle part of the connecting seat is provided with two limiting blocks, the middle part of the connecting seat and the limiting block The corresponding position is symmetrically provided with a limit chute, and the middle part of the limit chute is fixedly connected with a fixed rod;

One side of the connecting seat is fixedly connected with a first screw rod, and both sides of one end of the mounting seat close to the connecting seat are symmetrically fixedly connected with blocks, and the side of the block close to the connecting seat is provided with a gasket;

A second screw is inserted symmetrically on both sides of the mounting seat, and two ends of the second screw are respectively connected to a turntable and a top plate.

In a preferred embodiment, the cross-sectional shape of the connecting seat is set as a ring structure, the cross-sectional shape of the limiting block is set as a quarter sector structure, and one side of the limiting block extends to the limit slide Inside the groove, the fixed rod runs through the wall of the limit block, and the side wall of the limit block close to the telescopic joint body is provided with teeth, and the cross-sectional shape of the block is set as a quarter sector structure , the size of the clamping block is the same as that of the limiting block, the clamping block is arranged between the limiting block and the telescopic joint body, and the surface of the side wall of the clamping block close to the limiting block is provided with teeth, The wall teeth of the clamping block are adapted to the wall teeth of the limiting block, the position of the second screw is corresponding to the position of the limiting block, and the position of the first screw is corresponding to the position of the limiting block. misaligned with each other, the first screw rod runs through the middle of the mounting seat and is covered with a nut, the turntable is set on the side of the mounting seat away from the connecting seat, and the top plate is set on the side of the mounting seat close to the limit block, so The turntable is fixedly connected to the second screw, the top plate is rotatably connected to the second screw, and the second screw is threaded to the mounting seat.

Technical effect and advantage of the present utility model:

1. The utility model first penetrates the middle part of the mounting seat through the first screw and puts on the nut, which can facilitate the installation and fixing of the telescopic joint body, improve the fixing strength, and at the same time avoid tilting during installation, which affects the stability of the installation, and through Turning the turntable drives the top plate to squeeze the limit block in turn, thereby squeezing the block and the gasket, which can improve the sealing effect of the connection. At the same time, when the gasket is damaged, the sealing effect can be increased by turning the turntable The extrusion force of the gasket can increase the sealing effect, improve the service life, realize the function of emergency sealing, and facilitate installation and use;

2. The utility model can also make the limit block slide inside the connecting seat through the set limit chute and the fixed rod, so that it is convenient to place and take the block. At the same time, through the set limit block and the card The opposite side of the block is provided with teeth, which can improve the fixing effect of the limit block and the block, avoid the shaking of the block and the limit block, produce misalignment, affect the use effect and improve the use effect;

To sum up, through the interaction of the above multiple functions, it is convenient to install and use the expansion joint body, and at the same time improve the connection strength and the sealing performance of the connection. When the gasket is damaged and the seal is not tight, the extrusion force can be increased at any time to improve Sealing strength, to achieve the role of emergency sealing.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of a partial cross-sectional structure of the present invention.

Fig. 3 is a schematic diagram of a partially enlarged structure at A in Fig. 2 of the present invention.

Fig. 4 is a structural schematic diagram of the connecting pipe and the mounting seat of the present invention.

The reference signs are: 1. expansion joint body; 2. connecting seat; 3. mounting seat; 4. connecting pipe; 5. limiting block; 6. limiting chute; 7. fixing rod; 8. first screw rod; 9. Block; 10. Gasket; 11. Second screw; 12. Turntable; 13. Top plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

1. A bimetallic wear-resistant steel pipe telescopic joint as shown in Figures 1-4, including a telescopic joint body 1, a connecting seat 2, a mounting seat 3, and a connecting pipe 4. The two ends of the telescopic joint body 1 are symmetrically provided with connecting Seat 2, one side of the connecting seat 2 is provided with a mounting seat 3, and one side of the mounting seat 3 is fixedly connected with a connecting pipe 4. It is characterized in that: the middle part of the connecting seat 2 is provided with two limit blocks 5, and the A limit chute 6 is symmetrically provided at the position corresponding to the limit block 5 in the middle, and the middle part of the limit chute 6 is fixedly connected with a fixed rod 7;

One side of the connecting seat 2 is fixedly connected with a first screw 8, and one end of the mounting seat 3 close to the connecting seat 2 is symmetrically fixedly connected to both sides of the clamping block 9, and the side of the clamping block 9 close to the connecting seat 2 is provided with a gasket 10;

Both sides of the mounting base 3 are symmetrically inserted with second screw rods 11 , and two ends of the second screw rod 11 are respectively connected with a turntable 12 and a top plate 13 .

As shown in accompanying drawings 1-4, the cross-sectional shape of the connecting seat 2 is set as a ring structure, the cross-sectional shape of the limiting block 5 is set as a quarter fan-shaped structure, and one side of the limiting block 5 extends to the limiting chute 6 Inside, the fixed rod 7 runs through the wall of the limit block 5, and the side wall of the limit block 5 close to the telescopic joint body 1 is provided with teeth, and the cross-sectional shape of the block 9 is set as a quarter fan-shaped structure. The size of the block 9 is the same as that of the limit block 5, the block 9 is arranged between the limit block 5 and the telescopic joint body 1, the side wall surface of the block 9 near the limit block 5 is provided with teeth, and the block 9 is provided with teeth. The wall teeth of the block 9 are compatible with the wall teeth of the stop block 5, the position of the second screw rod 11 is corresponding to the position of the stop block 5, and the position of the first screw rod 8 and the position of the stop block 5 are mutually Dislocation, the first screw rod 8 runs through the middle of the mounting base 3 and is covered with a nut, the turntable 12 is set on the side of the mounting base 3 away from the connecting base 2, and the top plate 13 is set on the side of the mounting base 3 close to the limit block 5, The rotating disk 12 is fixedly connected with the second screw rod 11, the top plate 13 is rotatably connected with the second screw rod 11, and the second screw rod 11 is threadedly connected with the mounting seat 3, so as to facilitate the connection between the set stop block 5 and the clamping block 9. The tube 4 is initially connected to the telescopic joint body 1, and the first screw rod 8 penetrates through the middle of the mounting seat 3 and puts on the nut, which can improve the fixing strength and avoid the installation from tilting, and turn the turntable 12 to drive the top plate 13 to the limit Squeeze the bit block 5 to squeeze the block 9 and squeeze the gasket 10, which can improve the connection strength and sealing effect, and is convenient to use. Internal activities can facilitate the installation and placement of the clamping block 9 and improve the use effect.

The working principle of the utility model: when in use, it is only necessary to move the limiting block 5 to the side away from the telescopic joint body 1, and then insert the clamping block 9 into the inside of the connecting seat 2 and rotate it so that the clamping block 9 is positioned at the limiting block 5 On the side away from the mounting base 3, then put the first screw rod 8 through the middle of the mounting base 3 and put on the nut for tightening, then the connection between the expansion joint body 1 and the connecting pipe 4 can be completed, which is convenient for installation and use, and improves the connection strength ;

Then turn the rotating disk 12 to drive the top plate 13 to squeeze the stop block 5 through the second screw rod 11, so that the stop block 5 slides in the inside of the stop chute 6, and the fixed rod 7 is improved to improve the movement stability of the stop block 5, Until the limit block 5 squeezes the clamping block 9, thereby squeezing the gasket 10, the connection strength can be increased, and the gasket 10 can be used to seal at the same time;

When the gasket 10 is damaged and water leaks at the joint, it is only necessary to turn the turntable 12 to further squeeze the gasket 10 in order to increase the sealing strength, realize the function of emergency sealing, facilitate post-processing, and improve the use effect.

The last few points should be explained: First, in the description of this application, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, which can be mechanical connection Or electrical connection, it can also be the internal communication of two components, it can be directly connected, "up", "down", "left", "right", etc. are only used to indicate the relative positional relationship, when the absolute position of the object being described Change, the relative positional relationship may change;

Secondly: in the accompanying drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the usual design. Under the condition of no conflict, the same embodiment of the utility model and different embodiments can be used mutually. combination;

Finally: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall include Within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a wear-resisting steel pipe telescopic joint of bimetal, includes telescopic joint body (1) and connecting seat (2), mount pad (3), connecting pipe (4), the both ends symmetry of telescopic joint body (1) is provided with connecting seat (2), one side of connecting seat (2) is provided with mount pad (3), one side fixedly connected with connecting pipe (4) of mount pad (3), its characterized in that: two limiting blocks (5) are arranged in the middle of the connecting seat (2), limiting sliding grooves (6) are symmetrically formed in the middle of the connecting seat (2) corresponding to the limiting blocks (5), and fixing rods (7) are fixedly connected to the middle of the limiting sliding grooves (6);

a first screw rod (8) is fixedly connected to one side of the connecting seat (2), clamping blocks (9) are symmetrically and fixedly connected to two sides of one end, close to the connecting seat (2), of the mounting seat (3), and a sealing gasket (10) is arranged on one side, close to the connecting seat (2), of each clamping block (9);

second screw rods (11) are symmetrically inserted into two sides of the mounting base (3), and two ends of each second screw rod (11) are respectively connected with a rotary table (12) and a top plate (13).

2. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: the cross-sectional shape of connecting seat (2) sets up to the loop configuration, the cross-sectional shape of stopper (5) sets up to quarter fan-shaped structure.

3. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: one side of the limiting block (5) extends to the inside of the limiting sliding groove (6), the fixing rod (7) penetrates through the wall body of the limiting block (5), and a side wall body of the limiting block (5) close to the telescopic joint body (1) is provided with teeth.

4. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: the cross section of the clamping block (9) is in a quarter-sector structure, the size of the clamping block (9) is the same as that of the limiting block (5), and the clamping block (9) is arranged between the limiting block (5) and the telescopic joint body (1).

5. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: tooth is arranged on the surface of one side wall body of the fixture block (9) close to the limiting block (5), and the wall body tooth of the fixture block (9) is matched with the wall body tooth of the limiting block (5).

6. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: the position of the position limiting block (5) of the second screw rod (11) is corresponding, the position of the first screw rod (8) and the position of the limiting block (5) are staggered, and the first screw rod (8) penetrates through the middle of the mounting seat (3) and is sleeved with a nut.

7. The bimetallic wear-resistant steel tube expansion joint of claim 1, wherein: carousel (12) set up the one side of keeping away from connecting seat (2) in mount pad (3), roof (13) set up the one side that is close to stopper (5) in mount pad (3), carousel (12) and second screw rod (11) fixed connection, roof (13) rotate with second screw rod (11) and are connected, second screw rod (11) and mount pad (3) threaded connection.

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