CN216954172U

CN216954172U - Corrugated pipe applied to heat exchange system

Info

Publication number: CN216954172U
Application number: CN202220408295.6U
Authority: CN
Inventors: 施建春; 姚丽君; 吴忠红
Original assignee: Changzhou Zhihao Precision Tube Co ltd
Current assignee: Changzhou Zhihao Precision Tube Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-12
Anticipated expiration: 2032-02-25

Abstract

The application relates to the field of corrugated pipes, in particular to a corrugated pipe applied to a heat exchange system, which comprises a corrugated section, a straight pipe section and a connecting assembly, wherein the straight pipe section is arranged at the end part of the corrugated section; the corrugated section is close to the one end of straight tube section and is seted up the spread groove that supplies connecting rod and block portion to hold, set up the block groove that supplies block portion to inlay to establish on the inner wall of spread groove. This application has the effect that the ripple section is connected with the straight tube section in the nodal pipe of being convenient for.

Description

Corrugated pipe applied to heat exchange system

Technical Field

The application relates to the field of corrugated pipes, in particular to a corrugated pipe applied to a heat exchange system.

Background

The corrugated pipe is a pipe fitting with transverse corrugations, and has the characteristics of disturbing fluid in the pipe, blocking a boundary layer from thickening and having high heat transfer performance, so that the corrugated pipe is mainly applied to a heat exchange system.

In the correlation technique, the corrugated pipe includes ripple section and straight tube section, when connecting the corrugated pipe, adopts the welded mode to weld the straight tube section at the both ends of ripple section, and when the fluid flowed through the straight tube section, because of there being the slope contained angle between straight tube section and the corrugated pipe section, the fluid was disturbed and fully formed the vortex for fluid temperature and density are even, and the heat exchange efficiency of heat exchange tube increases.

In view of the above related technologies, the inventor thinks that the straight pipe section is welded to the corrugated section by welding, and the welding needs to be performed by a welding tool, which is time-consuming and labor-consuming, and is inconvenient for connecting the corrugated section and the straight pipe section.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the connection of ripple section and straight tube section, this application provides a corrugated tube who is applied to heat transfer system.

The application provides a be applied to heat transfer system's nodal pipe and adopt following technical scheme:

a corrugated pipe applied to a heat exchange system comprises a corrugated section, a straight pipe section arranged at the end part of the corrugated section and a connecting assembly used for connecting the straight pipe section and the corrugated section, wherein the connecting assembly comprises a connecting rod and a clamping part, the connecting rod is arranged at one end, close to the corrugated section, of the straight pipe section, the clamping part is arranged on the side wall of the connecting rod through a connecting column, and the clamping part is made of an elastic material;

the corrugated section is close to the one end of straight tube section and is seted up the spread groove that supplies connecting rod and block portion to hold, set up the block groove that supplies block portion to inlay to establish on the inner wall of spread groove.

Through adopting above-mentioned technical scheme, when connecting ripple section and straight tube section, aim at the one end that the ripple section offered the spread groove with the one end that the straight tube section was provided with the connecting rod to make connecting rod and block portion get into in the spread groove, later rotate the straight tube section again, make block portion get into in the block groove, because block portion is made by elastic material, consequently block portion can with the inner wall interference fit in block groove, thereby link together ripple section and straight tube section, and easy operation is convenient for straight tube section and ripple section's being connected.

Optionally, the engaging portion is arranged in a gradually-reduced manner along a direction away from the connecting rod, and a stop ring for limiting the engaging portion in the engaging groove is arranged at an opening of the engaging groove.

By adopting the technical scheme, after the clamping part is clamped in the clamping groove, the baffle ring can limit the clamping part, so that the clamping part is not easy to move out of the clamping groove, and the connection stability of the corrugated section and the straight pipe section is improved.

Optionally, a mounting groove is formed in one end, close to the straight pipe section, of the corrugated section, the mounting groove is formed in the inner wall side of the corrugated section, the straight pipe section comprises a pipe body and a mounting pipe communicated with the pipe body, the outer diameter of the mounting pipe is smaller than that of the pipe body, the connecting rod is arranged on the mounting pipe, and the mounting pipe is located in the mounting groove and matched with the mounting groove.

By adopting the technical scheme, the connecting area of the straight pipe section and the corrugated section can be increased, so that liquid in the corrugated section and the straight pipe section is not easy to flow out of the node pipe.

Optionally, a sealing ring is arranged on the inner wall of the mounting groove, and the inner wall of the mounting groove is abutted to the outer wall of the mounting pipe through the sealing ring.

By adopting the technical scheme, the sealing ring can increase the sealing property of the connection between the corrugated section and the straight pipe section, so that the liquid in the corrugated section and the straight pipe section is not easy to flow out of the corrugated pipe.

Optionally, the installation pipe is provided with a sealing ring, and the inner wall of the installation groove is provided with a sealing groove for the sealing ring to be embedded.

By adopting the technical scheme, the sealing ring can further increase the sealing property of the connection between the corrugated section and the straight pipe section, so that the possibility that liquid in the corrugated section and the straight pipe section flows out of the corrugated pipe is further reduced.

Optionally, the sealing ring is made of an elastic material, and the cross section of the sealing ring is mushroom-shaped.

By adopting the technical scheme, the cross section of the sealing ring is in a mushroom shape, and the sealing ring is embedded in the sealing groove, so that the cross section of the sealing groove is also in the mushroom shape, the purpose that the sealing groove limits the sealing ring is achieved, and the connection stability of the corrugated section and the straight pipe section is further improved.

Optionally, a friction layer is arranged on the straight pipe section.

By adopting the technical scheme, the friction layer is arranged, so that a worker can conveniently hold and rotate the straight pipe section to connect the straight pipe section with the corrugated section.

Optionally, a plurality of friction protrusions are arranged on the friction layer.

By adopting the technical scheme, the friction protrusions can further increase the friction force when workers hold the straight pipe section, so that the straight pipe section is further conveniently connected with the corrugated section.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the corrugated section and the straight tube section are connected, one end of the straight tube section, which is provided with the connecting rod, is aligned with one end of the corrugated section, which is provided with the connecting groove, and the connecting rod and the clamping part enter the connecting groove;

2. after the clamping part is clamped in the clamping groove, the baffle ring can limit the clamping part, so that the clamping part is not easy to move out of the clamping groove, and the connection stability of the corrugated section and the straight pipe section is improved;

3. the arrangement of the sealing ring and the sealing ring can increase the connection tightness of the straight pipe section and the corrugated section, so that liquid in the corrugated section and the straight pipe section is not easy to flow out of the corrugated pipe section.

Drawings

Fig. 1 is a schematic structural diagram of an integral corrugated tube applied to a heat exchange system according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram for showing the connection relationship between the straight pipe section and the corrugated section in the embodiment of the present application.

Fig. 3 is a schematic structural view for showing the engaging groove in the embodiment of the present application.

Fig. 4 is an enlarged view of a point a in fig. 3.

Description of reference numerals: 1. a corrugated section; 11. mounting grooves; 111. connecting grooves; 1111. a clamping groove; 112. a sealing groove; 2. a straight pipe section; 21. a pipe body; 211. a friction layer; 2111. a friction projection; 22. installing a pipe; 3. a connecting assembly; 31. a connecting rod; 32. a fastening part; 4. connecting columns; 5. a baffle ring; 6. a seal ring; 7. and (5) sealing rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a corrugated pipe applied to a heat exchange system. Referring to fig. 1 and 2, the corrugated pipe comprises a corrugated section 1, straight pipe sections 2 and connecting assemblies 3, the straight pipe sections 2 are connected to two ends of the corrugated section 1 in the length direction through the connecting assemblies 3, and each straight pipe section 2 is connected with the corrugated section 1 through four connecting assemblies 3.

Referring to fig. 2 and 3, one end of the corrugated section 1 close to the straight pipe section 2 is provided with an installation groove 11, and the installation groove 11 is arranged along the inner wall side of the corrugated section 1. The straight tube section 2 is divided into an integrally formed tube body 21 and an installation tube 22, the installation tube 22 is communicated with the tube body 21, the outer diameter of the installation tube 22 is smaller than that of the tube body 21, the installation tube 22 is located in the installation groove 11 and matched with the installation groove 11, the installation groove 11 and the installation tube 22 are arranged to increase the connection area of the straight tube section 2 and the corrugated section 1, and therefore liquid in the corrugated section 1 and the straight tube section 2 cannot flow out of the corrugated tube section easily. An annular friction layer 211 is fixedly connected to a peripheral side wall of the pipe body 21, and a plurality of friction protrusions 2111 are integrally formed on the friction layer 211.

Referring to fig. 2, 3 and 4, the connecting assembly 3 includes a connecting rod 31 and a clamping portion 32, the connecting rod 31 is fixedly connected to a surface of the mounting tube 22 away from the tube body 21, that is, the connecting rod 31 is connected to an end of the straight tube section 2 close to the corrugated section 1. The engaging portion 32 is fixedly connected to the sidewall of the connecting rod 31 through the connecting column 4, the engaging portion 32 is disposed in a tapered manner along a direction away from the connecting rod 31, and the engaging portion 32 is made of an elastic material, in this embodiment, the engaging portion 32 is conical and made of elastic rubber. The mounting groove 11 is provided with a connecting groove 111 for accommodating the connecting rod 31 and the engaging portion 32 on a surface thereof away from the straight pipe section 2, and the connecting groove 111 is provided with an engaging groove 1111 for engaging the engaging portion 32 on an inner side wall thereof. The opening of the engaging groove 1111 is fixedly connected with a retaining ring 5, the connecting column 4 is arranged in the retaining ring 5 in a penetrating manner, one surface of the retaining ring 5 far away from the connecting rod 31 is abutted against one surface of the engaging portion 32 close to the connecting rod 31, so that the engaging portion 32 is limited in the engaging groove 1111.

When the corrugated section 1 and the straight pipe section 2 are connected, the connecting rod 31 and the clamping portion 32 are inserted into the connecting groove 111, then a worker holds the friction layer 211 on the pipe body 21 to rotate the straight pipe section 2, so that the clamping portion 32 enters the clamping groove 1111, because the clamping portion 32 is made of an elastic material, the clamping portion 32 can be in interference fit with the inner wall of the clamping groove 1111, the corrugated section 1 and the straight pipe section 2 are connected together, the blocking ring 5 can limit the clamping portion 32, the clamping portion 32 is not easy to move out of the clamping groove 1111, and the connection stability of the corrugated section 1 and the straight pipe section 2 can be improved. The operation is simple, and the straight pipe section 2 and the corrugated section 1 are convenient to connect. The friction layer 211 and the friction protrusions 2111 can increase the friction force when a worker holds the straight pipe section 2, and the straight pipe section 2 can rotate conveniently.

Referring to fig. 2 and 4, a sealing ring 6 made of an elastic material is fixedly connected to one end of the mounting tube 22 far away from the tube body 21, and the sealing ring 6 is closer to the inner side of the straight tube section 2 than the connecting rod 31. The bottom wall of the mounting groove 11 is provided with a sealing groove 112 for embedding the sealing ring 6, and the sealing ring 6 can increase the sealing property of the connection between the corrugated section 1 and the straight pipe section 2, so that the possibility that liquid in the corrugated section 1 and the straight pipe section 2 flows out of the corrugated pipe is reduced. The cross section of sealing ring 6 is the mushroom form, because sealing ring 6 inlays and locates in seal groove 112, therefore the cross section of seal groove 112 also is the mushroom form, and seal groove 112 can carry on spacingly to sealing ring 6, makes sealing ring 6 be difficult for breaking away from out from seal groove 112, further improves the stability that ripple section 1 and straight tube section 2 are connected. Fixedly connected with sealing washer 7 on the inside wall of mounting groove 11, one side that sealing washer 7 kept away from the inside wall of mounting groove 11 and the outer wall butt of installation pipe 22 to the leakproofness of being connected between ripple section 1 and the straight tube section 2 is further increased.

The implementation principle of the corrugated tube applied to the heat exchange system in the embodiment of the application is as follows: when the bellows segment 1 and the straight tube segment 2 are connected, the connecting rod 31 and the engaging portion 32 are inserted into the connecting groove 111, the seal ring 6 is fitted into the seal groove 112, and the side of the seal ring 7 away from the inner wall of the seal groove 112 abuts against the outer wall of the mounting pipe 22. Then, the worker holds the friction layer 211 on the pipe body 21 to rotate the straight pipe section 2, so that the clamping portion 32 enters the clamping groove 1111, and under the action of the baffle ring 5, the clamping portion 32 is not easy to move out of the clamping groove 1111, so that the operation is simple, the connection between the straight pipe section 2 and the corrugated section 1 is facilitated, and the connection structure is stable and has good sealing performance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be applied to heat transfer system's corrugated tube, includes corrugated segment (1) and sets up straight tube section (2) at corrugated segment (1) tip which characterized in that: the corrugated pipe is characterized by further comprising a connecting assembly (3) used for connecting the straight pipe section (2) and the corrugated section (1), wherein the connecting assembly (3) comprises a connecting rod (31) and a clamping part (32), the connecting rod (31) is arranged at one end, close to the corrugated section (1), of the straight pipe section (2), the clamping part (32) is arranged on the side wall of the connecting rod (31) through a connecting column (4), and the clamping part (32) is made of elastic materials;

corrugated segment (1) is close to the one end of straight tube section (2) and has been seted up and supply connecting rod (31) and block portion (32) connection groove (111) of holding, offer on the inner wall of connection groove (111) and supply block portion (32) to inlay block groove (1111) of establishing.

2. The corrugated tube applied to a heat exchange system according to claim 1, wherein: the clamping part (32) is arranged in a tapered manner along the direction away from the connecting rod (31).

3. The corrugated tube applied to a heat exchange system according to claim 1, wherein: corrugated section (1) is close to the one end of straight tube section (2) and has seted up mounting groove (11), the inner wall side of corrugated section (1) is opened along mounting groove (11), straight tube section (2) include body (21) and with installation pipe (22) of body (21) intercommunication, the external diameter of installation pipe (22) is less than the external diameter of body (21), connecting rod (31) set up on installation pipe (22), installation pipe (22) be located mounting groove (11) and with mounting groove (11) looks adaptation.

4. The corrugated tube applied to a heat exchange system according to claim 3, wherein: the inner wall of the mounting groove (11) is provided with a sealing ring (7), and the inner wall of the mounting groove (11) is abutted to the outer wall of the mounting pipe (22) through the sealing ring (7).

5. The corrugated tube applied to a heat exchange system according to claim 3, wherein: be provided with sealing ring (6) on installation pipe (22), offer on the inner wall of mounting groove (11) and supply sealing ring (6) to inlay seal groove (112) of establishing.

6. The corrugated tube applied to a heat exchange system according to claim 5, wherein: the cross section of the sealing ring (6) is in a mushroom shape.

7. The corrugated tube applied to a heat exchange system according to claim 1, wherein: and a friction layer (211) is arranged on the straight pipe section (2).

8. The corrugated tube applied to a heat exchange system according to claim 7, wherein: the friction layer (211) is provided with a plurality of friction protrusions (2111).