CN218118916U

CN218118916U - Stainless steel corrugated pipe

Info

Publication number: CN218118916U
Application number: CN202222469427.9U
Authority: CN
Inventors: 张建东
Original assignee: Taiyuan Zehou Technology Co ltd
Current assignee: Taiyuan Zehou Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-23
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a bellows technical field, and disclose nonrust corrugated steel pipe, including the bellows body, the bellows body cross-section is the corrugate, the equal fixedly connected with outer tube in bellows body both ends, the outer tube internal diameter is the same with bellows body minimum internal diameter, and the equal fixedly connected with mounting flange of bellows body one end is kept away from to two outer tubes, it has seted up the mounting hole to lie in the circumference array distribution of bellows body outside between the mounting flange both sides, mounting flange is close to outer tube one side and lies in between the outer tube circumference inner wall and has seted up the spout, and the spout is the ring form, insert the inner tube between outer tube and the bellows body circumference inner wall, the inner tube both ends respectively with two mounting flanges on the spout inner wall sliding connection of seting up, the utility model discloses, through first bracing piece, second bracing piece, the spout that sets up, improved connection stability, improved the anti-vibration effect, also make simultaneously connect inseparabler, the leakproofness is better.

Description

Stainless steel corrugated pipe

Technical Field

The utility model relates to a bellows technical field especially relates to stainless steel corrugated pipe.

Background

The stainless steel corrugated pipe is installed in a liquid conveying system as a flexible pressure-resistant pipe fitting, is used for compensating mutual displacement of a pipeline or machine and equipment connecting ends, absorbs vibration energy, can play roles in vibration reduction, noise reduction and the like, and has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like.

The structure of the existing stainless steel corrugated pipe is single, the length of the existing stainless steel corrugated pipe cannot be accurately determined, and therefore when the stainless steel corrugated pipe is installed in a conveying system, if the length of the corrugated pipe is short, the corrugated pipe can be pulled by conveying pipelines on two sides, the ductility of the corrugated pipe can possibly shrink, so that the corrugated pipe and pipelines on two ends are not stable enough, and a gap is easily generated to influence the sealing effect.

To this end, we propose stainless steel bellows.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide nonrust corrugated steel pipe.

In order to realize the purpose, the utility model discloses a following technical scheme, nonrust corrugated steel pipe includes the bellows body, the bellows body cross-section is the corrugate, the equal fixedly connected with outer tube in bellows body both ends, the outer tube internal diameter is the same with bellows body minimum internal diameter, and the equal fixedly connected with mounting flange of bellows body one end is kept away from to two outer tubes, it has seted up the mounting hole to lie in the circumference array distribution outside the bellows body between the mounting flange both sides, mounting flange is close to outer tube one side and lies in and has seted up the spout between the outer tube circumference inner wall, and the spout is the ring form, the inner tube has been inserted between outer tube and the bellows body circumference inner wall, the inner tube both ends respectively with two mounting flanges on the spout inner wall sliding connection who sets up.

Preferably, one side, close to the outer pipe, of each of the two mounting flanges is located on the outer side of the circumference of the corrugated pipe body and is respectively and fixedly connected with four first support rods and four second support rods in a circumferential array manner, the first support rods are tubular, the inner diameters of the first support rods are slightly larger than the outer diameters of the second support rods, and the second support rods are inserted between the inner walls of the first support rods.

Preferably, a clamping groove is formed in one end, close to the second support rod, of the circumferential outer wall of the first support rod, a shaft sleeve is sleeved on one end, close to the second support rod, of the circumferential outer side of the first support rod, a clamping ring is arranged between inner walls of the shaft sleeves, the clamping ring is clamped into the clamping groove, and the clamping ring is rotatably connected with the inner walls of the clamping groove.

Preferably, the shaft sleeve is fixedly connected with an adjusting bolt close to one end of the second support rod, external threads are arranged on the outer side of the circumference of the second support rod, and the adjusting bolt is sleeved on the outer side of the circumference of the second support rod in threaded connection.

Preferably, one side, away from the outer pipe, of the mounting flange is provided with a first mounting groove, the first mounting groove is in a circular ring shape, and a rubber ring is connected between the inner walls of the first mounting groove in a sliding mode.

Preferably, the inner wall of one side, away from the rubber ring, of the first mounting groove is circumferentially distributed in an array mode, a second mounting groove is formed in the inner wall of the second mounting groove, a connecting rod is connected between the inner walls of the second mounting groove in a sliding mode and is close to one end of the rubber ring and fixedly connected with the rubber ring, and a spring is arranged between one end of the rubber ring and the inner wall of the second mounting groove and is far away from the connecting rod.

Advantageous effects

The utility model provides a stainless steel corrugated pipe. The method has the following beneficial effects:

1. this corrugated stainless steel pipe, first bracing piece through setting up, the second bracing piece, the spout, bellows body itself just has better ductility and compressive capacity, during the bellows installation, accessible adjusting bolt position control second bracing piece inserts the length in the first bracing piece, thereby suitably adjust the whole length of bellows, make bellows application scope wider, the compressive capacity of bellows has further been improved in setting up of first bracing piece and second bracing piece simultaneously, it is whole more stable to make the bellows, the bellows installation is accomplished the back, can suitably adjust adjusting bolt makes the bellows extend to both ends, thereby produce pressure to the pipeline of both ends connection, connection stability has further been improved, improve the anti vibration effect, it is inseparabler also to make the connection simultaneously, the leakproofness is better.

2. This nonrust corrugated steel pipe, through rubber circle, connecting rod, the spring that sets up, when mounting flange and pipe connection, rubber circle pressurized shrink to mounting groove one in, promote connecting rod compression spring simultaneously, the spring compression produces elasticity reaction and compresses tightly the rubber circle at connecting rod and rubber circle to improve the joint seal effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a sectional view of the joint of the support rod of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

Illustration of the drawings:

1. an outer tube; 2. installing a flange; 3. a bellows body; 4. a rubber ring; 5. a first support bar; 6. a second support bar; 7. a shaft sleeve; 8. adjusting the bolt; 9. a chute; 10. an inner tube; 11. a card slot; 12. a first mounting groove; 13. a second mounting groove; 14. a connecting rod; 15. a spring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): stainless steel corrugated pipe, as shown in fig. 1-4, including bellows body 3, the 3 cross-sections of bellows body are the corrugate, the equal fixedly connected with outer tube 1 in 3 both ends of bellows body, 1 internal diameter of outer tube is the same with 3 minimum internal diameters of bellows body, the equal fixedly connected with mounting flange 2 of 3 one ends of bellows body is kept away from to two outer tubes 1, it has seted up the mounting hole to lie in the 3 circumference outsides of bellows body and be the circumference array distribution between mounting flange 2 both sides, mounting flange 2 is close to 1 one side of outer tube and is located and has seted up spout 9 between 1 circumference inner walls of outer tube, spout 9 is the ring form, inner tube 10 has been inserted between 1 circumference inner walls of outer tube and the 3 circumference inner walls of bellows body, inner tube 10 both ends respectively with the spout 9 inner wall sliding connection who sets up on two mounting flanges 2. Two mounting flanges 2 are located the 3 circumference outsides of bellows body and are four first bracing pieces 5 and second bracing piece 6 of circumference array distribution fixedly connected with respectively near 1 one side of outer tube, and first bracing piece 5 is the tubulose, and 5 internal diameters of first bracing piece slightly are greater than 6 external diameters of second bracing piece, and second bracing piece 6 inserts between 5 inner walls of first bracing piece. The clamping groove 11 is formed in the end, close to the second support rod 6, of the outer circumferential wall of the first support rod 5, the shaft sleeve 7 is sleeved on the end, close to the second support rod 6, of the outer circumferential side of the first support rod 5, a clamping ring is arranged between the inner walls of the shaft sleeve 7, the clamping ring is clamped into the clamping groove 11, and the clamping ring is rotatably connected with the inner wall of the clamping groove 11. The shaft sleeve 7 is close to one end of the second support rod 6 and is fixedly connected with an adjusting bolt 8, an external thread is arranged on the outer side of the circumference of the second support rod 6, and the adjusting bolt 8 is sleeved on the outer side of the circumference of the second support rod 6 and is in threaded connection. Mounting flange 2 keeps away from outer tube 1 one side and has seted up mounting groove 12, and mounting groove 12 is the ring form, and sliding connection has rubber circle 4 between the 12 inner walls of mounting groove. Mounting groove one 12 is far away from 4 one sides inner wall of rubber circle and is the circumference array distribution and has seted up mounting groove two 13, and sliding connection has connecting rod 14 between two 13 inner walls of mounting groove, and connecting rod 14 is close to 4 one ends of rubber circle and 4 fixed connection of rubber circle, and connecting rod 14 is kept away from and is provided with spring 15 between 4 one ends of rubber circle and the two 13 inner walls of mounting groove.

The utility model discloses a theory of operation: bellows body 3 itself just has better ductility and compressive capacity, during the bellows installation, the accessible is adjusted the length that adjusting bolt 8 position control second bracing piece 6 inserted in first bracing piece 5, thereby suitably adjust the whole length of bellows, make bellows application scope wider, the compressive capacity of bellows has further been improved in setting up of first bracing piece 5 and second bracing piece 6 simultaneously, make the bellows whole more stable, after the bellows installation is accomplished, can suitably adjust adjusting bolt 8 and make the bellows extend to both ends, thereby pipeline to both ends connection produces pressure, connection stability has further been improved, improve the anti vibration effect, also make the connection inseparabler simultaneously, the leakproofness is better, when mounting flange 2 and pipe connection, rubber circle 4 pressurized shrinkage to mounting groove one 12, promote connecting rod 14 compression spring 15 simultaneously, spring 15 compression produces elasticity reaction at connecting rod 14 and rubber circle 4, compress tightly rubber circle 4, thereby improve the sealed effect of connection.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Stainless steel bellows, including bellows body (3), its characterized in that: bellows body (3) cross-section is the corrugate, and bellows body (3) both ends equal fixedly connected with outer tube (1), outer tube (1) internal diameter is the same with bellows body (3) minimum internal diameter, and bellows body (3) one end equal fixedly connected with mounting flange (2) are kept away from in two outer tubes (1), it is the circumference array distribution and has seted up the mounting hole to lie in the bellows body (3) circumference outside between mounting flange (2) both sides, mounting flange (2) are close to outer tube (1) one side and lie in between outer tube (1) circumference inner wall and seted up spout (9), and spout (9) are the ring form, inner tube (10) have been inserted between outer tube (1) and bellows body (3) circumference inner wall, inner tube (10) both ends respectively with spout (9) inner wall sliding connection seted up on two mounting flanges (2).

2. The corrugated stainless steel pipe of claim 1, wherein: two mounting flange (2) are close to outer tube (1) one side and are located the bellows body (3) circumference outside and are four first bracing pieces of circumference array distribution fixedly connected with (5) and second bracing piece (6) respectively, first bracing piece (5) are the tubulose, and first bracing piece (5) internal diameter slightly is greater than second bracing piece (6) external diameter, second bracing piece (6) insert between first bracing piece (5) inner wall.

3. The corrugated stainless steel pipe of claim 2, wherein: first bracing piece (5) circumference outer wall is close to second bracing piece (6) one end and has seted up draw-in groove (11), and first bracing piece (5) circumference outside is close to second bracing piece (6) pot head and has axle sleeve (7), be provided with the snap ring between axle sleeve (7) inner wall, snap ring card income draw-in groove (11), and snap ring and draw-in groove (11) inner wall rotate to be connected.

4. The corrugated stainless steel pipe of claim 3, wherein: the shaft sleeve (7) is close to one end of the second supporting rod (6) and is fixedly connected with an adjusting bolt (8), external threads are arranged on the outer side of the circumference of the second supporting rod (6), and the adjusting bolt (8) is sleeved on the outer side of the circumference of the second supporting rod (6) and is in threaded connection.

5. The corrugated stainless steel pipe of claim 4, wherein: mounting flange (2) keep away from outer tube (1) one side and seted up mounting groove (12), mounting groove (12) are the ring form, and sliding connection has rubber circle (4) between mounting groove (12) the inner wall.

6. The corrugated stainless steel pipe of claim 5, wherein: keep away from rubber circle (4) one side inner wall in mounting groove (12) and be circumference array distribution and seted up mounting groove two (13), sliding connection has connecting rod (14) between mounting groove two (13) inner wall, and connecting rod (14) are close to rubber circle (4) one end and rubber circle (4) fixed connection, connecting rod (14) are kept away from and are provided with spring (15) between rubber circle (4) one end and mounting groove two (13) inner wall.