CN213514373U

CN213514373U - Pipeline connection structure and air conditioning unit

Info

Publication number: CN213514373U
Application number: CN202022258733.9U
Authority: CN
Inventors: 梁子文; 郑荣坤; 张辉; 周勇; 张德付; 李闯
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-22
Anticipated expiration: 2030-10-12

Abstract

The application provides a pipeline connecting structure and an air conditioning unit. The pipeline connecting structure comprises a sleeve and an insertion pipe, wherein the insertion pipe is inserted into the sleeve, and the sleeve and the insertion pipe are detachably connected through a locking structure. The locking structure comprises a locked state for limiting the cannula to be withdrawn relative to the sleeve and an unlocked state for releasing the cannula to be withdrawn relative to the sleeve. Use the technical scheme of the utility model, when needs adapter sleeve and intubate, with the intubate insert sleeve pipe to through closure structure adapter sleeve and intubate, let closure structure under the closure state, adapter sleeve and intubate that just can be firm. When the sleeve and the cannula need to be disassembled, the lower cannula can be separated from the sleeve by keeping the locking structure in the unlocking state. Adopt the technical scheme of the utility model, can improve the production assembly efficiency of tube coupling, reduce intensity of labour, can also guarantee connection structure's quality and stability.

Description

Pipeline connection structure and air conditioning unit

Technical Field

The utility model relates to an air conditioning technology field particularly, relates to a pipeline connection structure and air conditioning unit.

Background

The indoor machine of the air conditioner can produce a large amount of condensed water in the refrigerating process, and the condensed water needs to be discharged to the outdoor or a sewer pipe through a water discharge connecting pipe.

At present, the structure of the drainage connecting pipe is difficult to assemble, an operator needs to hold the drain pipe with one hand and hold the bottom shell with the other hand, the drain pipe is rotated while the operator propels the drain pipe forwards, and the assembly is very difficult to transfer, particularly under the condition of low ambient temperature, the hardness of the rubber block is increased due to low temperature, and the assembly is influenced. After the drain pipe is assembled in place, the metal clamping hook needs to be clamped on the positioning column on the bottom shell, the metal clamping hook and the positioning column are in interference fit, assembly is difficult, and labor intensity is high.

In addition, because the drain pipe needs to adopt the mode installation of rotatory propulsion, if hard, can lead to the drain pipe to appear pincher trees, has the hidden danger of leaking of breaking.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a pipeline connecting structure and air conditioning unit to solve among the prior art the inconvenient and poor technical problem of installation effect of installation that the drain pipe installation exists.

The embodiment of the application provides a pipeline connecting structure, which comprises a sleeve and an insertion pipe, wherein the insertion pipe is inserted into the sleeve, the sleeve and the insertion pipe are detachably connected through a locking structure, and the locking structure comprises a locking state for limiting the insertion pipe to be separated from the sleeve and an unlocking state for releasing the insertion pipe to be separated from the sleeve.

In one embodiment, the locking structure comprises: a lock cylinder formed on one of the sleeve and the cannula; a locking groove formed on the other of the sleeve and the cannula; in the locked state, the lock cylinder is inserted into the lock groove, and in the unlocked state, the lock cylinder is disengaged from the lock groove.

In one embodiment, the keyway includes a lock opening and a lock way in communication with the lock opening, and in the locked state the lock cylinder enters the lock way from the lock opening and in the unlocked state the lock cylinder exits from the lock way into the lock opening.

In one embodiment, the direction of extension of the locking notch is perpendicular to the direction of extension of the locking channel.

In one embodiment, the lock path is provided with a retaining portion that restricts the movement of the lock cylinder in the horizontal direction.

In one embodiment, the opening of the locking notch forms a flared guide structure.

In one embodiment, the number of the locking grooves is two, and the two locking grooves are symmetrically arranged on two side walls of the sleeve; correspondingly, the number of the lock columns is two, and the two lock columns are symmetrically arranged on the two side walls of the insertion tube.

In one embodiment, a sealing ring is mounted between the sleeve and the cannula.

In one embodiment, the inner wall of the sleeve or the outer wall of the insertion pipe is provided with a mounting groove, and the sealing ring is mounted on the mounting groove.

The application also provides an air conditioning unit, which comprises a pipeline connecting structure, wherein the pipeline connecting structure is the pipeline connecting structure.

In the above embodiment, when the sleeve and the cannula need to be connected, the cannula is inserted into the sleeve, and the sleeve and the cannula are connected through the locking structure, so that the sleeve and the cannula can be firmly connected with each other by the locking structure in a locked state. When the sleeve and the cannula need to be disassembled, the lower cannula can be separated from the sleeve by keeping the locking structure in the unlocking state. Adopt the technical scheme of the utility model, can improve the production assembly efficiency of tube coupling, reduce intensity of labour, can also guarantee connection structure's quality and stability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic overall structural view of an embodiment of a piping connection structure according to the present invention;

FIG. 2 is a schematic view of a split structure of the piping connection structure of FIG. 1;

FIG. 3 is a schematic perspective view of the pipe connection structure of FIG. 2

Fig. 4 is an exploded view of the cannula of the tubing connection structure of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Fig. 1, 2 and 3 show an embodiment of a pipeline connection structure of the present invention, which includes a sleeve 10 and an insertion tube 20, wherein the insertion tube 20 is inserted into the sleeve 10, and the sleeve 10 and the insertion tube 20 are detachably connected by a locking structure. The locking structure includes a locked state in which withdrawal of the cannula 20 relative to the sleeve 10 is restricted and an unlocked state in which withdrawal of the cannula 20 relative to the sleeve 10 is released.

Use the technical scheme of the utility model, when needing adapter sleeve 10 and intubate 20, insert sleeve 10 with intubate 20 to through closure structure adapter sleeve 10 and intubate 20, let closure structure be in under the closure state, adapter sleeve 10 and intubate 20 that just can be firm. When it is desired to remove the sleeve 10 and cannula 20, the lower cannula 20 can be detached from the sleeve 10 by leaving the locking structure unlocked. Adopt the technical scheme of the utility model, can improve the production assembly efficiency of tube coupling, reduce intensity of labour, can also guarantee connection structure's quality and stability.

As shown in fig. 2, in the solution of the present embodiment, the locking structure includes a locking column 31 and a locking groove 32, wherein the locking column 31 is formed on the insertion tube 20, and the locking groove 32 is formed on the sleeve 10. In the locked state, the lock cylinder 31 is inserted into the lock groove 32, and in the unlocked state, the lock cylinder 31 is disengaged from the lock groove 32.

As shown in fig. 3, in the solution of the present embodiment, the lock groove 32 includes a lock notch 321 and a lock channel 322 communicating with the lock notch 321. In use, if the lock is to be switched to the locking state, the lock cylinder 31 enters the lock channel 322 from the lock notch 321; if the lock cylinder is to be switched to the unlock state, the lock cylinder 31 is allowed to enter the lock notch 321 from the lock channel 322.

Preferably, the extension direction of the locking notch 321 is perpendicular to the extension direction of the locking channel 322. Optionally, in the technical solution of the present embodiment, the locking notch 321 extends in a vertical direction, and the locking channel 322 extends in a horizontal direction. The operation method is to insert the insertion tube 20 into the casing 10, let the lock cylinder 31 enter the lock channel 322 from the lock notch 321, and then rotate the insertion tube 20 or the casing 10, let the lock cylinder 31 stay in the lock channel 322. More preferably, as shown in fig. 3, the lock path 322 is provided with a stopper 323, and the stopper 323 restricts the horizontal movement of the lock cylinder 31 to restrict the lock cylinder 31 in the lock path 322. Optionally, in the technical solution of the present embodiment, the anti-slip part 323 is disposed at the upper end in the lock channel 322, so that the anti-slip effect is better. As another alternative embodiment, the retaining portion 323 may be provided at the lower end of the lock path 322.

As shown in fig. 3, the opening of the locking notch 321 preferably forms a flared guide structure by which entry of the lock cylinder 31 into the locking notch 321 is further facilitated. Optionally, a slope shape is formed at one side of the locking notch 321, and a circular arc chamfer is formed at the other side of the locking notch 321.

In the technical solution of the present invention, the number of the locking grooves 32 is two, and the two locking grooves 32 are symmetrically disposed on two sidewalls of the sleeve 10. Correspondingly, the number of the lock cylinders 31 is two, and the two lock cylinders 31 are symmetrically arranged on two side walls of the insertion tube 20. By the two locking grooves 32 and the two locking posts 31 cooperating, a more secure connection of the cannula 10 and the cannula 20 is achieved.

As an alternative embodiment, the locking post 31 may be formed on the sleeve 10 and the locking groove 32 may be formed on the cannula 20.

As shown in fig. 3 and 4, it is more preferable that a sealing ring 40 is installed between the sleeve 10 and the insertion tube 20 in order to ensure the sealing property of the connection between the sleeve 10 and the insertion tube 20. Optionally, in the technical solution of the present embodiment, an installation groove 21 is formed in an outer wall of the insertion tube 20, and the sealing ring 40 is installed on the installation groove 21. As another alternative embodiment, the inner wall of the sleeve 10 may be provided with an installation groove 21. More preferably, in the technical scheme of the utility model, two mounting grooves 21 and two sealing washers 40 have been set up to further improve sealed effect.

Optionally, the sealing ring 40 is made of hydrogenated nitrile rubber, and has good sealing performance, durability and long service life.

The utility model also provides an air conditioning unit, including foretell pipeline connection structure, adopt foretell pipeline connection structure can realize the convenient and reliable connection of air conditioning unit pipeline, this pipeline connection structure is applicable to all wall-hanging air conditioner indoor unit products. It should be noted that the above-mentioned pipe connection structure is particularly suitable for connecting the drain pipe of the air conditioning unit.

The pipeline connecting structure is adopted for connecting the drain pipes, so that the universality is good, the pipeline connecting structure is suitable for all machine types of companies, and the problems of material universality and standardization are solved; the assembly is simple, the operation is simple and convenient, the production efficiency is high, the labor intensity is low, the assembly automation is easy to realize, and the problem of difficult assembly of the original drain pipe is solved; the installation is convenient, the quality is high, no quality hidden danger exists, and the quality problem of the original drain pipe assembly existence is solved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe connecting structure, characterized by comprising a sleeve (10) and a cannula (20), wherein the cannula (20) is inserted into the sleeve (10), and the sleeve (10) and the cannula (20) are detachably connected through a locking structure, and the locking structure comprises a locking state for limiting the cannula (20) to be withdrawn relative to the sleeve (10) and an unlocking state for releasing the cannula (20) to be withdrawn relative to the sleeve (10).

2. The piping connection structure according to claim 1, wherein the locking structure comprises:

a lock cylinder (31) formed on one of the sleeve (10) and the cannula (20);

a locking groove (32) formed on the other of the sleeve (10) and the cannula (20);

in the locked state, the lock cylinder (31) is inserted into the lock groove (32), and in the unlocked state, the lock cylinder (31) is disengaged from the lock groove (32).

3. The pipe connection according to claim 2, wherein the lock groove (32) includes a lock notch (321) and a lock channel (322) communicating with the lock notch (321), and in the locked state, the lock cylinder (31) enters the lock channel (322) from the lock notch (321), and in the unlocked state, the lock cylinder (31) exits from the lock channel (322) into the lock notch (321).

4. A pipe connection according to claim 3, wherein the extension direction of the locking notch (321) is perpendicular to the extension direction of the locking channel (322).

5. The piping connection structure according to claim 4, wherein a retaining portion (323) is provided on the lock duct (322), and the retaining portion (323) restricts the movement of the lock cylinder (31) in the horizontal direction.

6. The line connection according to claim 3, characterized in that the opening of the locking notch (321) forms a flared guide.

7. The pipe connection structure according to claim 2, wherein the number of the locking grooves (32) is two, and the two locking grooves (32) are symmetrically arranged on two side walls of the sleeve (10);

correspondingly, the number of the locking columns (31) is two, and the two locking columns (31) are symmetrically arranged on two side walls of the insertion pipe (20).

8. Tubing connection according to claim 1, characterized in that a sealing ring (40) is mounted between the sleeve (10) and the cannula (20).

9. The pipe connection structure according to claim 8, wherein the inner wall of the sleeve (10) or the outer wall of the insert pipe (20) is provided with an installation groove (21), and the sealing ring (40) is installed on the installation groove (21).

10. An air conditioning unit comprising a pipe connection structure, characterized in that the pipe connection structure is as claimed in any one of claims 1 to 9.