CN221034499U - Corrugated pipe structure with high axial strength - Google Patents

Abstract

The utility model discloses a corrugated pipe structure with high axial strength, which comprises a first corrugated pipe and a second corrugated pipe, wherein the first corrugated pipe is in threaded screwing connection with the second corrugated pipe, a first groove is formed in the inner wall of the first corrugated pipe, a limiting block is arranged in the first groove, a limiting groove is formed in the outer side of the second corrugated pipe, and the limiting groove is matched with the limiting block in size; according to the utility model, when the first corrugated pipe is connected with the second corrugated pipe, the second corrugated pipe is moved into the first corrugated pipe and then rotated, at the moment, the outer wall of the second corrugated pipe presses the inner wall of the first corrugated pipe, so that the limiting block is arranged in the first groove, when the limiting groove is moved to the limiting block due to rotation, the first spring pushes the limiting block to the limiting groove due to no pressing, the limiting block is clamped into the limiting groove, the first corrugated pipe is tightly connected with the second corrugated pipe, and the thin pipe and the thick pipe are made of aluminum, so that the limiting block is hard and difficult to rust.

Description

Corrugated pipe structure with high axial strength

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a corrugated pipe structure with high axial strength of a corrugated pipe.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching directions, is widely applied to instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, has thinner pipe wall and higher sensitivity, has a measuring range of tens of Pa to tens of megaPa, and has a fixed open end and a free sealing end.

The bellows structure that exists at present is in the use, because the bellows pipe wall is so that cause the axial intensity of bellows self to be low relatively, has encountered after laying and trampled or when pressure, very easily presses it to deformation or damage, and when a plurality of bellows connect, the connected mode is more troublesome, and the fastness of connection is not high, causes the problem that the bellows drops very easily.

For this purpose, we propose a bellows structure with high strength in the axial direction of the bellows.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a corrugated pipe structure with high axial strength.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a bellows axial high strength's bellows structure, includes first bellows and second bellows, first bellows with second bellows screw thread closes and connects, recess No. one has been seted up to first bellows inner wall, no. one the inside stopper that is provided with of recess, the spacing groove has been seted up in the second bellows outside, the spacing groove with stopper size looks adaptation.

As still further aspects of the utility model: the guide rod is fixedly arranged on one side surface inside the first groove, the first spring is fixedly connected with the guide rod, and the first spring is fixedly connected with the limiting block.

As still further aspects of the utility model: the reinforcing ring is fixedly arranged on the outer side of the first corrugated pipe, the first supporting plate is fixedly arranged at one end of the first corrugated pipe, and the second supporting plate is fixedly arranged at one end, away from the first supporting plate, of the first corrugated pipe.

As still further aspects of the utility model: the first supporting plate is connected with a thin tube through a first fastening bolt in a threaded screwing mode, and a second groove is formed in the outer wall of the thin tube.

As still further aspects of the utility model: and a second spring is fixedly arranged on the surface of one side inside the second groove, and a button is arranged at one end, away from the second groove, of the second spring.

As still further aspects of the utility model: the thin pipe is slidably provided with a thick pipe, a plurality of holes are formed in the outer side of the thick pipe, and the holes are matched with the buttons.

As still further aspects of the utility model: the thick pipe is connected with the second supporting plate in a threaded screwing mode through the second fastening bolt.

Compared with the prior art, the utility model provides the corrugated pipe structure with high axial strength, which has the following beneficial effects:

1. According to the utility model, when the first corrugated pipe is connected with the second corrugated pipe, the second corrugated pipe is moved into the first corrugated pipe and then rotated, at the moment, the outer wall of the second corrugated pipe presses the inner wall of the first corrugated pipe, so that the limiting block is arranged in the first groove, when the limiting groove is moved to the limiting block due to rotation, the first spring pushes the limiting block to the limiting groove due to no pressing, and the limiting block is clamped into the limiting groove, so that the first corrugated pipe is tightly connected with the second corrugated pipe.

2. According to the utility model, when the first corrugated pipe needs to be adjusted in length, a worker pulls the thin pipe after pressing the button, so that the thin pipe slides in the thick pipe, the inner wall of the thick pipe extrudes the button, the button is driven to extrude the second spring, and when the button reaches the hole after being adjusted to a proper length, the second spring ejects the button to be clamped in the hole because the button is not blocked by the thick pipe, so that the length of the first corrugated pipe is adjusted, and the thin pipe and the thick pipe are made of aluminum, so that the thin pipe and the thick pipe are hard and are not easy to rust.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

Fig. 1 is a schematic view of a first bellows structure of a bellows structure with high strength in an axial direction according to the present utility model;

Fig. 2 is a schematic diagram of a first bellows and a second bellows of a bellows structure with high strength in an axial direction of the bellows according to the present utility model;

Fig. 3 is a schematic diagram of a stopper structure of a bellows structure with high axial strength according to the present utility model;

Fig. 4 is a schematic view of a connecting plane structure of a thick pipe and a thin pipe of a corrugated pipe structure with high axial strength.

In the figure: 1. a first bellows; 2. a first support plate; 3. a tubule; 301. thick pipe; 4. a reinforcing ring; 5. a button; 6. a hole; 7. a second supporting plate; 8. a first fastening bolt; 801. a second fastening bolt; 9. a second bellows; 10. a first groove; 11. a limiting block; 12. a limit groove; 13. a second spring; 14. a guide rod; 15. a first spring; 16. and a second groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

The utility model provides a bellows axial high strength's bellows structure, as shown in fig. 1-3, including first bellows 1 and second bellows 9, first bellows 1 and second bellows 9 screw thread spin joint are connected, first bellows 1 inner wall has been seted up groove 10, groove 10 inside is provided with stopper 11, spacing groove 12 has been seted up in the second bellows 9 outside, spacing groove 12 and stopper 11 size looks adaptation, first inside one side fixed surface of groove 10 installs guide bar 14, guide bar 14 fixedly connected with spring 15, spring 15 and stopper 11 fixed connection, through setting up second bellows 9, and the structure of second bellows 9 is the same with first bellows 1, when first bellows 1 and second bellows 9 are connected, rotate after moving second bellows 9 to first bellows 1's inside, at this moment, because of second bellows 9 outer wall extrusion first bellows 1's inner wall, make stopper 11 in the inside of groove 10, when spacing groove 12 removes stopper department, thereby make first bellows 15 and make first bellows 1 and second bellows 9 have the first bellows 11 to make the first bellows 1 to rotate, thereby make first bellows 1 and second bellows 9 rotate, thereby make and first bellows 1 to be connected with first bellows 1.

As shown in fig. 1-2, the outside fixed mounting of first bellows 1 has stiffening ring 4, first bellows 1 one end fixed mounting has No. one backup pad 2, first bellows 1 keeps away from No. one backup pad 2's one end fixed mounting has No. two backup pads 7, no. one backup pad 2 is connected with tubule 3 through the screw thread of fastening bolt 8, no. two recess 16 has been seted up to tubule 3 outer wall, through setting up stiffening ring 4, make first bellows 1 can strengthen its intensity during the use, be connected with tubule 3 through the screw thread of fastening bolt 8 through setting up No. one backup pad 2, make tubule 3 convenient dismantlement installation when breaking down needs maintenance, make through setting up No. one backup pad 2 and No. two backup pads 7 can make the bellows keep stable when tubule 3 slides in the tubular 301.

Example 2

1-2, No. two inside one side surface fixed mounting of recess 16 has No. two spring 13, no. two spring 13 keeps away from No. two recess 16 one end and is provided with button 5, tubule 3 slidable mounting has thick pipe 301, a plurality of hole 6 have been seted up in thick pipe 301 outside, hole 6 and button 5 looks adaptation, when first bellows 1 is when needs length adjustment, press button 5, the staff carries out the pull with tubule 3 for tubule 3 slides in thick pipe 301 inside, thereby make thick pipe 301 inner wall extrusion button 5, drive button 5 extrusion No. two spring 13, when adjusting to suitable length, button 5 arrives hole 6 department, because do not have the shelter from of thick pipe 301, no. two spring 13 pops out button 5 and blocks hole 6 departments, thereby make the length of first bellows 1 can be adjusted, and the material of tubule 3 and thick pipe 301 is aluminium, hardness and difficult corrosion.

As shown in fig. 1, the thick pipe 301 is screwed with the second support plate 7 through the second fastening bolt 801, when the thick pipe 301 is damaged and needs to be maintained, the second fastening bolt 801 is only required to be screwed off, and the thick pipe 301 can be taken out for maintenance and replacement, so that the work of staff is more convenient.

Working principle: when the first corrugated pipe 1 is connected with the second corrugated pipe 9, the second corrugated pipe 9 is moved into the first corrugated pipe 1 and then rotated, at the moment, the outer wall of the second corrugated pipe 9 presses the inner wall of the first corrugated pipe 1, so that the limiting block 11 is arranged in the first groove 10, when the limiting groove 12 moves to the limiting block 11, the limiting block 11 is pushed to the limiting groove 12 by the first spring 15 due to no pressing, so that the limiting block 11 is clamped into the limiting groove 12, the first corrugated pipe 1 and the second corrugated pipe 9 are enabled to rotate and limit, meanwhile, a sealing ring is fixedly arranged at one end, connected with the first corrugated pipe 1 and the second corrugated pipe 9, so that the first corrugated pipe 1 and the second corrugated pipe 9 are tightly connected, when the first corrugated pipe 1 needs to be adjusted in length, pressing the button 5, the staff pulls the thin tube 3, so that the thin tube 3 slides inside the thick tube 301, the inner wall of the thick tube 301 extrudes the button 5, the button 5 is driven to extrude the second spring 13, when the button 5 reaches the hole 6 and is not shielded by the thick tube 301, the second spring 13 ejects the button 5 to be clamped at the hole 6, so that the length of the first corrugated tube 1 can be adjusted, the thin tube 3 and the thick tube 301 are made of aluminum, hard and difficult to rust, meanwhile, the strength of the first corrugated tube 1 can be enhanced during use by arranging the reinforcing ring 4, the thin tube 3 is connected by arranging the first supporting plate 2 through the first fastening bolt 8 in a screwed mode, the thin tube 3 is convenient to detach and install when the fault needs maintenance, and the corrugated tube can be kept stable when the thin tube 3 slides in the thick tube 301 by arranging the first supporting plate 2 and the second supporting plate 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a bellows structure of bellows axial high strength, includes first bellows (1) and second bellows (9), its characterized in that, first bellows (1) with second bellows (9) screw thread closes soon and connects, recess (10) have been seted up to first bellows (1) inner wall, recess (10) inside stopper (11) that are provided with, spacing groove (12) have been seted up in the second bellows (9) outside, spacing groove (12) with stopper (11) size looks adaptation.

2. The corrugated pipe structure with high axial strength according to claim 1, wherein a guide rod (14) is fixedly arranged on one side surface inside the first groove (10), the guide rod (14) is fixedly connected with a first spring (15), and the first spring (15) is fixedly connected with the limiting block (11).

3. The corrugated pipe structure with high axial strength according to claim 1, wherein a reinforcing ring (4) is fixedly installed on the outer side of the first corrugated pipe (1), a first supporting plate (2) is fixedly installed at one end of the first corrugated pipe (1), and a second supporting plate (7) is fixedly installed at one end, far away from the first supporting plate (2), of the first corrugated pipe (1).

4. A corrugated pipe structure with high axial strength according to claim 3, wherein the first support plate (2) is screwed with a thin pipe (3) through a first fastening bolt (8), and a second groove (16) is formed in the outer wall of the thin pipe (3).

5. The corrugated pipe structure with high axial strength according to claim 4, wherein a second spring (13) is fixedly installed on one side surface inside the second groove (16), and a button (5) is arranged at one end, far away from the second groove (16), of the second spring (13).

6. The corrugated pipe structure with high axial strength according to claim 5, wherein the thin pipe (3) is slidably provided with a thick pipe (301), a plurality of holes (6) are formed in the outer side of the thick pipe (301), and the holes (6) are matched with the button (5).

7. The corrugated pipe structure with high axial strength according to claim 6, wherein the thick pipe (301) is screwed with the second support plate (7) through a second fastening bolt (801).