CN211118167U

CN211118167U - Pipe assembly and air conditioner with same

Info

Publication number: CN211118167U
Application number: CN201922100420.8U
Authority: CN
Inventors: 陈彬
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-28
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a pipe assembly and have its air conditioner, include: the middle pipe is sleeved at one end of the pipe joint, the joint nut is connected to the other end of the pipe joint, the outer sealing pipe is sleeved on the part, sleeved with the pipe joint, of the middle pipe, a pressing groove formed by pressing a pressing block in an extruding mode is formed in the outer peripheral face of the outer sealing pipe, the pressing groove is provided with an axial edge formed by pressing the pressing block along the axial direction of the middle pipe in a pressing mode, the axial edge is arranged along the axial extension direction of the middle pipe, and the size of the axial edge is suitable for exceeding the corresponding size of the pressing block. According to the utility model discloses the pipe assembly can improve the reliability of being connected of intervalve and coupling, promotes the leakproofness of pipe assembly.

Description

Pipe assembly and air conditioner with same

Technical Field

The utility model belongs to the technical field of the tube coupling technique and specifically relates to a pipe assembly and have its air conditioner is related to.

Background

The water flow direction at the pipe joint of the air conditioner changes suddenly, the water pressure is high, the sealing reliability is poor, and the leakage phenomenon is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pipe assembly to improve the reliability of being connected of intervalve and coupling, promote the leakproofness of pipe assembly.

The utility model discloses still aim at providing an air conditioner that has above-mentioned pipe assembly to promote the security of air conditioner

According to the utility model discloses pipe assembly, include: the middle pipe is sleeved at one end of the pipe joint, the joint nut is connected to the other end of the pipe joint, the outer sealing pipe is sleeved on the part, sleeved with the pipe joint, of the middle pipe, a pressing groove formed by pressing a pressing block in an extruding mode is formed in the outer peripheral face of the outer sealing pipe, the pressing groove is provided with an axial edge formed by pressing the pressing block along the axial direction of the middle pipe in a pressing mode, the axial edge is arranged along the axial extension direction of the middle pipe, and the size of the axial edge is suitable for exceeding the corresponding size of the pressing block.

According to the utility model discloses the pipe assembly is through connecting gradually coupling, union nut through the intermediate pipe to can realize the cooperation with other parts, if can be suitable for air conditioner, washing machine installation, and then can realize switching on of fluid such as water liquid. The connection reliability of the middle pipe and the pipe joint can be improved through the arrangement of the outer sealing pipe. Through set up the swage groove on will sealing the pipe outward, the axial limit size in swage groove is suitable for surpassing the corresponding size of compression type piece to can increase the effective area of outer tube extrusion on the intermediate tube, further improve the leakproofness of pipe subassembly.

In some embodiments, the indent has two axial sides and two circumferential sides, the two circumferential sides are respectively connected between the two axial sides, and the length of the axial sides is greater than that of the circumferential sides.

In some embodiments, the outer sealing tube is provided with a plurality of press grooves formed by extruding a plurality of press blocks on the outer circumferential surface, and the press grooves are arranged at intervals along the circumferential direction of the middle tube.

Specifically, the shapes of the press grooves are the same, and the spacing distance between every two adjacent press grooves is equal.

In some embodiments, a first clamping ring is arranged on the outer peripheral wall of the pipe joint, a second clamping ring is arranged at one end, facing the middle pipe, of the joint nut, the joint nut is sleeved on the pipe joint, and the second clamping ring is clamped on one side, facing the middle pipe, of the first clamping ring.

Specifically, the pipe assembly further includes: and the sealing gasket is positioned in the pipe joint and arranged on the first clamping ring.

In some embodiments, the intermediate tube comprises a plastic layer and a woven fiber layer sheathed on the plastic layer.

In some embodiments, the two pipe joints are respectively connected to two ends of the middle pipe, the two joint nuts are respectively connected to the two pipe joints, and the two outer sealing pipes are respectively sleeved at two ends of the middle pipe.

In particular, one of the pipe joints is an elbow.

According to the utility model discloses air conditioner, have the pipe joint subassembly of above-mentioned embodiment.

According to the utility model discloses air conditioner, through intermediate tube, coupling and coupling nut's setting, can realize that air conditioner's water liquid switches on. The arrangement of the outer sealing pipe can improve the connection reliability of the middle pipe and the pipe joint, reduce the leakage of water liquid and improve the safety of the air conditioner. Through set up the pressure type groove on will sealing the pipe outward, the axial limit size in pressure type groove is suitable for the corresponding size of surpassing the pressure type piece to can increase the area of contact of pressure type groove and intermediate pipe, promote the leakproofness of pipe assembly, reduce the loss of pressure of rivers.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a partial cross-sectional view of a tube assembly in an embodiment of the invention (wherein corresponding axial edges give a schematic view of the structure of the profiling block for ease of understanding);

FIG. 2 is a schematic structural view of an outer seal pipe in an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a tube assembly in another embodiment of the invention.

Reference numerals:

a tube assembly 100,

An intermediate pipe 1, a plastic layer 11, a fiber braided layer 12,

A pipe joint 2, a first snap ring 21,

A joint nut 3, a second snap ring 31,

An outer seal pipe 4, a pressure groove 41, an axial edge 411, a circumferential edge 412,

A sealing gasket 5,

The block 200 is shaped.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "inner", "outer", "length", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A tube assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1-3.

A tube assembly 100 according to an embodiment of the present invention, as shown in fig. 1, includes: the pipe joint comprises an intermediate pipe 1, a pipe joint 2, a joint nut 3 and an outer sealing pipe 4. The middle pipe 1 is sleeved at one end of the pipe joint 2, the joint nut 3 is connected at the other end of the pipe joint 2, and the outer sealing pipe 4 is sleeved on the part of the middle pipe 1 sleeved with the pipe joint 2. Between the middle pipe 1 and the pipe joint 2, the middle pipe 1 may be sleeved on the pipe joint 2, and the outer sealing pipe 4 may be in direct contact with the middle pipe 1, or the pipe joint 2 may be sleeved on the middle pipe 1, and the outer sealing pipe 4 may be in direct contact with the pipe joint 2, which is not limited herein. For convenience of description, the intermediate pipe 1 is sleeved on the pipe joint 2.

As shown in fig. 2, the outer circumferential surface of the outer tube 4 is provided with a profiling groove 41 formed by extruding the profiling block 200, the profiling groove 41 has an axial side 411 formed by profiling the profiling block 200 along the axial direction of the middle tube 1, and the axial side 411 extends along the axial direction of the middle tube 1 and is sized to exceed the corresponding size of the profiling block 200.

It can be understood that, as shown in fig. 1, the intermediate pipe 1 is connected with the pipe joint 2 and the joint nut 3 in sequence, so that the intermediate pipe can be matched with other components, such as an air conditioner and a washing machine, and further can conduct fluid such as water and the like. The arrangement of the outer sealing pipe 4 can improve the connection reliability of the middle pipe 1 and the pipe joint 2 and reduce the leakage of fluid such as water and the like.

After the outer tube 4 is placed around the intermediate tube 1, the connection between the intermediate tube 1 and the pipe connection 2 can be tightly closed. After the outer jacket tube 4 is externally fitted, the outer jacket tube 4 is further extruded by the press block 200 at the outer periphery thereof, so that a part of the outer jacket tube 4 is extruded and deformed, the deformed part is formed as a press groove 41 at the outer peripheral surface of the outer jacket tube 4, and the deformed part corresponds to a press block at the inner peripheral surface of the outer jacket tube 4. As shown in fig. 2, the outer circumferential surface of the outer sealing tube 4 is provided with a profiling groove 41 formed by extruding a profiling block 200, and the corresponding profiling block can enable the middle tube 1 and the pipe joint 2 to be extruded more tightly, so that the sealing performance of the joint of the middle tube 1 and the pipe joint 2 is improved, and the pressure loss of fluid can be reduced.

The profiled groove 41 formed by the profiling block 200 after extrusion has at least four sides, wherein the side extending along the axial direction of the middle tube 1 is called an axial side 411, the axial side 411 is formed by pressing the profiling block 200 into the outer seal tube 4 and pulling the profiling block 200 relative to the outer seal tube 4 along the axial direction, so that the length L1 of the axial side 411 is larger than the corresponding size of the profiling block 200 (i.e. the length L2 of the profiling block 200 along the axial direction of the outer seal tube 4), it should be noted that the corresponding size of the profiling block 200 is the size of the profiling block 200 along the axial direction of the outer seal tube 4 during the extrusion operation.

The utility model discloses an among the pipe assembly 100, through the radial direction extrusion back of following outer tube 4 with the briquetting 200, one section distance is removed along the axial direction of outer tube 4 again, can increase the area of pressure type groove 41 like this to increase the effective area of extruding intermediate pipe 1 on the outer tube 4, thereby further lift pipe assembly 100's leakproofness, reduce fluidic loss of pressure.

According to the utility model discloses pipe assembly 100 connects gradually coupling 2, union nut 3 through intermediate pipe 1 to can realize the cooperation with other parts, if can be suitable for air conditioner, washing machine installation, and then can realize switching on of fluid such as water liquid. The reliability of the connection of the intermediate pipe 1 and the pipe joint 2 can be improved by the arrangement of the outer sealing pipe 4. By providing the profiling groove 41 on the outer sealing tube 4, the axial edge 411 of the profiling groove 41 is adapted to exceed the corresponding dimension of the profiling block 200, so that the area of action of the outer sealing tube 4 on the middle tube 1 can be increased, and the sealing performance of the tube assembly 100 can be further improved.

In some embodiments, as shown in FIG. 2, the indent 41 has two axial sides 411 and two circumferential sides 412, the two circumferential sides 412 are each connected between the two axial sides 411, and the length L1 of the axial sides 411 is greater than the length L3 of the circumferential sides 412. this may further increase the area of the indent 41, thereby increasing the contact area of the indent 41 with the intermediate tube 1, and thus further increasing the sealability of the riser assembly 100.

In the example of fig. 2, the profiling block 200 is a square block, the profiling block 200 has a length of L2 and a width of L4. when the profiling block 200 is directly pressed on the outer seal tube 4 and then moved to form the profiling groove 41, the length L3 of the circumferential edge 412 of the profiling groove 41 is equal to the width L4 of the profiling block 200.

In some embodiments, as shown in fig. 2, the outer sealing tube 4 is provided with a plurality of press grooves 41 formed by pressing a plurality of press blocks 200 on the outer circumferential surface thereof, and the plurality of press grooves 41 are spaced apart along the circumferential direction of the intermediate tube 1. Therefore, a plurality of pressure-type grooves 41 are arranged at intervals along the circumferential direction of the middle pipe 1, and the plurality of pressure-type grooves 41 can act on the middle pipe 1, which is beneficial to increasing the interaction force between the outer seal pipe 4 and the middle pipe 1, thereby further improving the sealing performance of the riser pipe assembly 100.

Specifically, as shown in fig. 2, the plurality of press grooves 41 have the same shape, and the spacing distance between every two adjacent press grooves 41 is equal. This facilitates the shaping of the profiled groove 41 and provides a uniform force on the intermediate tube 1 in the circumferential direction, thereby further improving the tightness of the tube assembly 100.

In some embodiments, as shown in fig. 1, a first snap ring 21 is provided on the outer peripheral wall of the pipe joint 2, a second snap ring 31 is provided on the end of the joint nut 3 facing the middle pipe 1, the joint nut 3 is sleeved on the pipe joint 2, and the second snap ring 31 is snapped on the side of the first snap ring 21 facing the middle pipe 1. It can be understood that the first snap ring 21 can limit and fix the second snap ring 31, so as to improve the connection stability between the pipe joint 2 and the joint nut 3. Thus, during assembly operations, the fitting of the pipe assembly 100 to other components can be performed by merely rotating the fitting nut 3.

Specifically, as shown in fig. 1, tube assembly 100 further comprises: and the sealing gasket 5 is positioned in the pipe joint 2 and arranged on the first clamping ring 21. It will be appreciated that the provision of the sealing gasket 5 promotes the sealing of the tube assembly 100. In practice, the pipe assembly 100 may be adapted to be assembled with an air conditioner, a washing machine, etc. through the union nut 3, and at this time, the sealing gasket 5 may be pressed by the components engaged with the union nut 3, thereby providing a good sealing effect at the engagement.

In some embodiments, as shown in fig. 1, the intermediate tube 1 comprises a plastic layer 11 and a woven fiber layer 12 coated on the plastic layer 11. It can be understood that the plastic layer 11 has good corrosion resistance, which can prolong the service life of the intermediate pipe 1, and the plastic layer 11 also has the advantages of light weight and convenient forming, which can lighten the intermediate pipe 1 and reduce the processing cost. The provision of the fiber braid 12 can reduce the erosion of the intermediate tube 1 by light, heat, radiation, etc., and improve the mechanical strength of the intermediate tube 1, thereby improving the service life of the intermediate tube 1.

In some embodiments, as shown in fig. 3, two pipe joints 2 are respectively connected to two ends of the middle pipe 1, two joint nuts 3 are respectively connected to the two pipe joints 2, and two outer sealing pipes 4 are respectively sleeved on two ends of the middle pipe 1. Such that one end of the tube assembly 100 can be connected to one component and the other end can be connected to another component, thereby enabling the connection of the different components. Of course, one end of tube assembly 100 may be connected to one structure of a component and the other end of tube assembly 100 may be connected to another structure of the component, thereby enabling connections of different structures in the same component. The particular form of connection of the tube assembly 100 is not limited herein.

In particular, as shown in fig. 3, one of the pipe joints 2 is an elbow. It can be understood that the arrangement of the pipe can ensure that the flow of fluid such as water flow and the like at the position is smoother, and the phenomenon of hydraulic pressure surge is reduced. In some pipe assemblies, one of the pipe joints is a right-angle pipe, so that the water pressure of fluid such as water is high and pressure loss is easily caused.

Referring now to fig. 2 and 3, a tube assembly 100 in one embodiment of the invention is described.

According to the utility model discloses tube assembly 100 includes: the pipe joint comprises an intermediate pipe 1, a pipe joint 2, a joint nut 3, an outer sealing pipe 4 and a sealing gasket 5.

The intermediate tube 1 comprises a plastic layer 11 and a woven fibre layer 12 which is sheathed on the plastic layer 11.

The two pipe joints 2 are respectively connected to two ends of the middle pipe 1, the two joint nuts 3 are respectively connected to the two pipe joints 2, and the two outer sealing pipes 4 are respectively sleeved at two ends of the middle pipe 1. Wherein one pipe joint 2 is an elbow. The outer peripheral wall of the pipe joint 2 is provided with a first clamping ring 21, one end of the joint nut 3 facing the middle pipe 1 is provided with a second clamping ring 31, the joint nut 3 is sleeved on the pipe joint 2, and the second clamping ring 31 is clamped on one side of the first clamping ring 21 facing the middle pipe 1. A sealing gasket 5 is located within the coupler 2 and is positioned on the first snap ring 21.

The outer circumference of the outer seal pipe 4 is provided with a plurality of press grooves 41 formed by extruding a plurality of press blocks 200, and the plurality of press grooves 41 are arranged at intervals along the circumference of the middle pipe 1. The shapes of the plurality of press grooves 41 are the same, and the spacing distance between every two adjacent press grooves 41 is the same. The profiling groove 41 has an axial edge 411 that is profiled by the profiling block 200 in the axial direction of the intermediate tube 1, the axial edge 411 extending in the axial direction of the intermediate tube 1 and being dimensioned to exceed the corresponding dimension of the profiling block 200. The profiled groove 41 has two axial sides 411 and two circumferential sides 412, the two circumferential sides 412 are respectively connected between the two axial sides 411, and the length of the axial sides 411 is greater than that of the circumferential sides 412.

The air conditioner according to the embodiment of the present invention has the pipe assembly 100 according to the above embodiment. The specific structure of tube assembly 100 has been described in detail above and will not be described in detail herein.

According to the utility model discloses air conditioner, through the setting of intermediate pipe 1, coupling 2 and joint nut 3, can realize that air conditioner's water liquid switches on. The arrangement of the outer sealing pipe 4 can improve the connection reliability of the middle pipe 1 and the pipe joint 2, reduce the leakage of water liquid and improve the safety of the air conditioner. By arranging the press groove 41 on the outer sealing pipe 4, the axial edge 411 of the press groove 41 is suitable for exceeding the corresponding size of the press block 200, so that the pressing action area between the pipe joint 2 and the middle pipe 1 can be increased, the tightness of the riser pipe assembly 100 can be increased, and the pressure loss of water flow can be reduced.

Other configurations of the air conditioner according to the embodiment of the present invention, such as a water pan, an electric control box, etc., and operations thereof are known to those skilled in the art, and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A tube assembly, comprising: the middle pipe is sleeved at one end of the pipe joint, the joint nut is connected to the other end of the pipe joint, the outer sealing pipe is sleeved on the part, sleeved with the pipe joint, of the middle pipe, a pressing groove formed by pressing a pressing block in an extruding mode is formed in the outer peripheral face of the outer sealing pipe, the pressing groove is provided with an axial edge formed by pressing the pressing block along the axial direction of the middle pipe in a pressing mode, the axial edge is arranged along the axial extension direction of the middle pipe, and the size of the axial edge is suitable for exceeding the corresponding size of the pressing block.

2. The tubular assembly of claim 1, wherein the indent has two axial sides and two circumferential sides, each of the two circumferential sides being connected between the two axial sides, the axial sides having a length greater than the circumferential sides.

3. The pipe assembly of claim 1, wherein the outer jacket pipe has a plurality of the profiling grooves formed on an outer circumferential surface thereof by extruding a plurality of the profiling blocks, and the profiling grooves are spaced apart from each other in a circumferential direction of the intermediate pipe.

4. The tubular assembly of claim 2, wherein the plurality of crush grooves are all the same shape, and a spacing distance between every two adjacent crush grooves is equal.

5. The pipe assembly of claim 1, wherein a first snap ring is provided on an outer peripheral wall of the pipe joint, a second snap ring is provided on an end of the union nut facing the middle pipe, the union nut is sleeved on the pipe joint, and the second snap ring is snapped on a side of the first snap ring facing the middle pipe.

6. The pipe assembly of claim 5, further comprising: and the sealing gasket is positioned in the pipe joint and arranged on the first clamping ring.

7. The tubular assembly of claim 1, wherein the intermediate tube comprises a plastic layer and a woven fiber layer that is wrapped over the plastic layer.

8. The pipe assembly of any one of claims 1-7, wherein two of the pipe fittings are respectively connected to two ends of the middle pipe, two of the fitting nuts are respectively connected to the two pipe fittings, and two of the outer sealing pipes are respectively sleeved on two ends of the middle pipe.

9. The pipe assembly of claim 8, wherein one of said pipe couplings is an elbow.

10. An air conditioner characterized by having the pipe assembly according to any one of claims 1 to 9.