CN111779905B

CN111779905B - Pipe fitting connecting device

Info

Publication number: CN111779905B
Application number: CN202010662794.3A
Authority: CN
Inventors: 胡斌; 王占榜; 夏金海
Original assignee: Ningbo Schlemmer Automotive Parts Co ltd
Current assignee: Ningbo Schlemmer Automotive Parts Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2024-06-18
Anticipated expiration: 2040-07-10
Also published as: CN111779905A

Abstract

The invention relates to a pipe connecting device, which comprises a connecting main body, a first fitting and a second fitting. The connecting body comprises a first connecting part used for being connected with the cooling pipe and a second connecting part used for being connected with the male connector, the outer side of the first connecting part is provided with an anti-falling protrusion used for being in interference fit with the cooling pipe, one end of the second connecting part is connected with the first connecting part, and the male connector penetrates into the second connecting part from the other end of the second connecting part. The first fitting is detachably connected to an end of the second connecting portion remote from the first connecting portion. The second fitting is arranged in the first fitting and is used for being detachably connected with the male connector to fix the male connector. The pipe fitting connecting device effectively solves the problem that a cooling pipe and a male connector are difficult to connect in the prior art.

Description

Pipe fitting connecting device

Technical Field

The invention relates to the technical field of pipe fitting assembly, in particular to a pipe fitting connecting device.

Background

The new energy electric automobile needs a power battery as a power source, and along with the high-speed development of the new energy automobile industry, the application of the power battery is also becoming wider and wider. The power battery can generate heat to a certain extent in the process of transmitting power, and as heat is accumulated, the power battery can be short-circuited or even exploded. In order to prevent the power battery from being short-circuited or even exploded due to heat generation, the power battery needs to be rapidly cooled in time. In general, the rapid cooling of the power battery requires an external cooling tube, and the cooling tube is generally assembled on the power battery after being connected with a male connector. The cooling tube is generally made of soft plastic material, and the male connector is made of metal material, so that the cooling tube and the male connector are difficult to be directly connected together.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a pipe fitting connecting device that solves the problem in the prior art that the cooling pipe and the male connector are difficult to connect.

The invention provides a pipe connecting device, which comprises a connecting main body, a first fitting and a second fitting. The connecting body comprises a first connecting part used for being connected with the cooling pipe and a second connecting part used for being connected with the male connector, the outer side of the first connecting part is provided with an anti-falling protrusion used for being in interference fit with the cooling pipe, one end of the second connecting part is connected with the first connecting part, and the male connector penetrates into the second connecting part from the other end of the second connecting part. The first fitting is detachably connected to an end of the second connecting portion remote from the first connecting portion. The second fitting is arranged in the first fitting and is used for being detachably connected with the male connector to fix the male connector.

In an embodiment of the invention, the first assembly part is provided with an assembling portion, and the first assembly part is connected with the second connection portion in a clamping manner through the assembling portion. The structure of joint connection is very simple, can make first assembly part and connecting body realize quick assembly, simultaneously, the joint is connected also and is convenient for the dismantlement of first assembly part and connecting body.

In an embodiment of the invention, the assembly portion is provided with a latch, the second connection portion is correspondingly provided with a latch hole, and the assembly portion is in latch connection with the second connection portion through cooperation of the latch and the latch hole. Or the second connecting part is provided with a clamping tenon, the assembling part is correspondingly provided with a clamping hole, and the second connecting part is connected with the assembling part in a clamping way through the matching of the clamping tenon and the clamping hole. Through set up the trip on the assembly part to correspond at second connecting portion and set up the joint hole, when the assembly, the assembly part can realize the firm connection with second connecting portion through going into the joint hole with the trip card, can realize the firm connection of first assembly part and connecting body. Or through setting up the trip on the second connecting portion to correspond at the assembly portion and set up the joint hole, when the assembly, the second connecting portion can realize the firm connection with the assembly portion through going into the joint hole with the trip card, can realize the firm connection of first assembly part and connecting body.

In an embodiment of the invention, the assembly portion is provided with an opening, one end of the clamping tenon is connected to the side wall of the opening, the other end of the clamping tenon is provided with a tenon protruding out of the opening, and the clamping tenon is in clamping fit with the clamping hole through the tenon. So set up, the trip only one end is connected in the lateral wall of trompil, and other positions of trip are not connected with the inner wall of trompil. And because the other end of the clamping tenon is provided with the tenon protruding out of the opening, in the process of clamping the assembly part into the second connecting part, the tenon of the clamping tenon can force the clamping tenon to bend and deform towards the interior of the assembly part, so that the assembly part can be conveniently and rapidly clamped into the second connecting part. Then, the tenon of the clamping tenon enters the clamping hole of the assembly part, and at the moment, the tenon is clamped into the clamping hole of the second connection part under the action of the elasticity of the clamping tenon, so that the clamping connection between the assembly part and the second connection part is realized.

In an embodiment of the invention, the first assembly part is provided with an assembly cavity penetrating through two ends, the side wall of the first assembly part is provided with an assembly opening, the assembly opening is communicated with the assembly cavity, and the second assembly part is arranged in the assembly cavity through the assembly opening. So arranged, the second fitting can be conveniently installed in the fitting cavity of the first fitting through the fitting opening.

In an embodiment of the invention, a first limiting protrusion is disposed in the assembly cavity, and a second limiting protrusion is disposed in the second assembly component, wherein the second limiting protrusion is stopped at the first limiting protrusion to enable the second assembly component to be clamped to the first assembly component. By the arrangement, the second assembly part can be firmly installed in the first assembly part, and the second assembly part is prevented from being separated from the assembly cavity of the first assembly part in the assembly process.

In an embodiment of the invention, the second assembly part is provided with a through hole for the male connector to pass through, the inner wall of the through hole is convexly provided with a clamping part, the outer wall of the male connector is provided with a clamping groove, and the clamping part is used for being matched with the clamping groove to fix the male connector. In the assembly process, the first assembly part and the connecting main body are detachably connected together, the second assembly part is installed in the first assembly part, and finally the male connector passes through the through hole of the second assembly part to realize clamping connection with the second assembly part. The through hole of the second assembly part is internally provided with a convex clamping part, and the outer wall of the male connector is provided with a clamping groove, so that the clamping part can realize the clamping connection of the second assembly part and the male connector through clamping in the clamping groove in the assembly process. The structure of the clamping part and the clamping groove is very simple, and the arrangement is beneficial to the processing and manufacturing of the second assembly part and the male connector.

In an embodiment of the invention, the second fitting includes a main body portion and an elastic portion. The through hole penetrates through the main body part to enable the main body part to be annular, the elastic part is arranged on the outer side of the main body part, the clamping part is arranged on the inner side of the main body part, and the main body part is arranged in the assembly cavity and at least partially exposes out of the assembly opening. One end of the elastic part is connected with the main body part, and the other end of the elastic part is abutted on the inner wall of the assembly cavity far away from the assembly port. The main body part can press the elastic part towards the direction away from the assembly opening so as to enable the clamping part of the second assembly part to be separated from the clamping groove of the male connector. The elastic part can be extruded towards the direction far away from the assembly port by pressing the part of the main body part, which exposes the assembly port, so that the clamping part of the second assembly part is finally separated from the clamping groove of the male connector, and the male connector and the second assembly part are separated. The locking of the second fitting to the male connector is released, and the male connector can be pulled out from the second connecting part. Thereby realizing the disassembly of the cooling pipe and the male connector. The arrangement makes the disassembly of the male connector and the cooling pipe simpler and more convenient.

In an embodiment of the invention, the elastic portion includes a pair of elastic pieces, one end of each pair of elastic pieces is connected to the main body portion, the other end of each pair of elastic pieces is abutted against the inner wall of the assembly cavity, and an included angle is formed between each elastic piece and the inner wall of the assembly cavity, and the included angle is an acute angle or an obtuse angle. When the elastic sheet is extruded by the main body part, the elastic sheet can bend and deform by virtue of the elastic deformation capacity of the elastic sheet, so that the main body part can move towards one side of the elastic sheet, and finally the clamping part of the second assembly part is separated from the clamping groove of the male connector, and the male connector is removed from the through hole of the second assembly part, so that the cooling pipe and the male connector are detached.

In an embodiment of the present invention, the pair of elastic pieces extend toward directions approaching or separating from each other, and the included angles between the pair of elastic pieces and the inner wall of the assembly cavity are equal. When the elastic sheets are extruded by the main body part, the forces received by the pair of elastic sheets are equal, and the supporting forces of the inner wall of the assembly cavity on the elastic sheets are also equal. The arrangement is beneficial to improving the stability of the elastic part.

In an embodiment of the invention, an end of the main body portion exposed out of the mounting opening is provided with an uneven surface. The elastic part is pressed by pressing the part of the main body part, which is exposed out of the assembly opening, so that the main body part presses the elastic part towards the direction away from the assembly opening, and finally the clamping part of the second assembly part is separated from the clamping groove of the male connector, thereby realizing the separation of the male connector and the second assembly part. Therefore, the uneven surface is arranged at one end of the main body part, which is exposed out of the assembly opening, so that the anti-skid function can be realized in the process of pressing the main body part.

In an embodiment of the invention, two opposite sides of the main body portion are respectively provided with a positioning piece, one end of each positioning piece is connected with the main body portion, and the other end of each positioning piece is abutted against the inner wall of the assembly cavity. The locating piece can fill the gap between the main body part and the assembly cavity, so that the main body part is abutted on the inner wall of the assembly cavity, and the second assembly part is stably arranged in the assembly cavity, thereby being beneficial to the stable connection of the second assembly part and the first assembly part.

In an embodiment of the present invention, the cross section of the anti-falling protrusion is in a barb shape. When the cooling pipe is sleeved outside the first connecting part, the anti-falling protrusions can be clamped into the inner wall of the cooling pipe, so that the cooling pipe is firmly connected outside the first connecting part. Therefore, the anti-falling protrusion is in a barb shape, so that the cooling pipe is prevented from being separated from the outer side of the first connecting part of the connecting body, and the cooling pipe is more firmly connected with the connecting body.

In an embodiment of the invention, the anti-falling protrusion is annular, and at least one circle of anti-falling protrusion is disposed on the outer side of the first connection portion. The anti-falling protrusion is annular and is easier to process, and the annular anti-falling protrusion structure is more stable and is not easy to damage. The cooling pipe and the connecting main body can be more firmly connected by the plurality of circles of anti-falling protrusions.

In an embodiment of the invention, a first sealing ring is sleeved outside the first connecting portion. Through setting up first sealing washer, can make the sealed effect between cooling tube and the first connecting portion better.

In an embodiment of the invention, an annular limiting groove is further disposed at an outer side of the first connecting portion, and the first sealing ring is disposed in the limiting groove. Through setting up the spacing groove that is used for providing spacing effect to first sealing washer, can make the assembly in-process of cooling tube and first connecting portion, first sealing washer can not take place displacement or deformation, is favorable to first sealing washer to keep better sealed effect.

In an embodiment of the invention, a sealing boss is disposed on an inner wall of the second connecting portion, a sealing assembly is mounted at the sealing boss and is sleeved outside the male connector, and one end of the first assembly abuts against the sealing assembly so that the other end of the sealing assembly abuts against the sealing boss. The sealing assembly is sleeved outside the male connector, one end of the sealing assembly is abutted against the first assembly part, and the other end of the sealing assembly is abutted against the sealing boss arranged on the second connecting part. The sealing assembly is beneficial to completely sealing the gap between the first assembly part and the second connecting part, so that the pipe fitting connecting device keeps good sealing performance. During the assembly process of the cooling pipe and the male connector, firstly, sleeving the cooling pipe on the outer side of a first connecting part of the connecting main body; the sealing component is arranged in the second connecting part of the connecting main body, and one end of the sealing component is abutted against the sealing boss in the second connecting part; then the first fitting is detachably connected to the second connecting part of the connecting main body, and the first fitting is abutted against the other end of the sealing assembly, which is far away from the sealing boss; then the second assembly part is arranged in the first assembly part; and finally, the male connector is detachably connected to the second assembly part. And finally, the detachable connection of the cooling pipe and the male connector is realized.

In one embodiment of the invention, the sealing assembly comprises at least two second sealing rings and a connecting ring connected between adjacent second sealing rings. The number of the second sealing rings is increased, so that the sealing performance of the sealing assembly is further improved, and the adjacent second sealing rings are connected together through the connecting rings, so that the tight connection of different second sealing rings is facilitated. In the assembly process of the sealing assembly, the second sealing ring and the connecting ring can be arranged in the second connecting part at intervals at one time, and finally the complete sealing assembly is formed.

In an embodiment of the invention, protruding ribs are provided on the outer side of the connecting ring, and the ribs are tightly matched with the inner wall of the second connecting portion. By the arrangement, the sealing assembly can be tightly connected with the second connecting part.

In an embodiment of the invention, the first connection portion and the second connection portion are connected in an L shape. The right-angle steering of the internal fluid can be realized, and the structure is simple.

The pipe fitting connecting device provided by the invention comprises: the connecting body, the first fitting and the second fitting. The connection body includes a first connection portion for connection with the cooling pipe and a second connection portion for connection with the male connector. The outside of the first connecting part is provided with an anti-falling protrusion for interference fit with the cooling pipe, and the cooling pipe is generally made of soft plastic materials, so that when the cooling pipe is sleeved outside the first connecting part, the anti-falling protrusion can be clamped into the inner wall of the cooling pipe, and the cooling pipe is firmly connected outside the first connecting part. One end of the second connecting part is connected with the first connecting part, and the male connector penetrates through the second connecting part from the other end of the second connecting part. The first fitting is detachably connected to an end of the second connecting portion remote from the first connecting portion. The second fitting is arranged in the first fitting and is used for being detachably connected with the male connector to fix the male connector. From the above, the male connector is detachably connected to the second connecting portion by the first fitting and the second fitting.

During the assembly process of the cooling pipe and the male connector, firstly, sleeving the cooling pipe on the outer side of a first connecting part of the connecting main body; detachably connecting the first assembly part to the second connecting part of the connecting main body; then the second assembly part is arranged in the first assembly part; the male connector is then coupled into the second coupling portion through the second fitting and the first fitting, and finally the male connector is locked to the second coupling portion by mating the second fitting with the male connector. And finally, the detachable connection of the cooling pipe and the male connector is realized.

In summary, it is known that the cooling tube is detachably connected to the male connector by means of a connecting body, a first fitting and a second fitting. The detachable connection mode is convenient for realizing the assembly of the cooling pipe and the male connector and is also convenient for the disassembly of the cooling pipe and the male connector. Therefore, the pipe fitting connecting device provided by the invention effectively solves the problem that the cooling pipe and the male joint are difficult to connect in the prior art.

Drawings

FIG. 1 is an exploded view of a tubular connection according to an embodiment of the present invention;

FIG. 2 is a top view of a tubular connection according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view at B-B of FIG. 2;

Fig. 5 is a front view of a second fitting according to an embodiment of the present invention.

Reference numerals: 1. a connecting body; 11. a first connection portion; 111. an anti-falling protrusion; 112. a limit groove; 12. a second connecting portion; 121. a clamping hole; 122. sealing the boss; 2. a first fitting; 21. an assembling portion; 211. a clamping tenon; 212. a tenon; 213. opening holes; 22. an assembly chamber; 221. an assembly port; 222. the first limiting protrusion; 3. a second fitting; 31. the second limiting bulge; 32. a through hole; 321. a clamping part; 33. a main body portion; 34. an elastic part; 341. an elastic sheet; 35. a positioning sheet; 4. a first seal ring; 5. a seal assembly; 51. a second seal ring; 52. a connecting ring; 521. ribs; 6. a male connector; 61. and a clamping groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.

It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring now to fig. 1-3, fig. 1 is an exploded view of a pipe coupling according to an embodiment of the present invention, fig. 2 is a top view of a pipe coupling according to an embodiment of the present invention, and fig. 3 is a cross-sectional view at A-A shown in fig. 2. The invention provides a pipe fitting connecting device, comprising: the body 1, the first fitting 2 and the second fitting 3 are connected.

The connection body 1 comprises a first connection 11 for connection with a cooling tube and a second connection 12 for connection with the male connector 6. The outside of the first connecting portion 11 is provided with an anti-falling protrusion 111 for interference fit with the cooling tube, and the cooling tube is generally made of soft plastic, so that when the cooling tube is sleeved outside the first connecting portion 11, the anti-falling protrusion 111 can be clamped into the inner wall of the cooling tube, so that the cooling tube is firmly connected outside the first connecting portion 11.

One end of the second connecting portion 12 is connected to the first connecting portion 11, and the male connector 6 is inserted into the second connecting portion 12 from the other end of the second connecting portion 12. The first fitting 2 is detachably connected to an end of the second connecting portion 12 remote from the first connecting portion 11. The second fitting 3 is provided in the first fitting 2, and the second fitting 3 is adapted to be detachably connected with the male connector 6 to secure the male connector 6. From the above, the male connector 6 is detachably connected to the second connecting portion 12 by the first fitting 2 and the second fitting 3.

During the assembly of the cooling tube and the male connector 6, the cooling tube is first sleeved outside the first connecting portion 11 of the connecting body 1; the first fitting 2 is detachably connected to the second connecting part 12 of the connecting body 1; then the second fitting 3 is arranged inside the first fitting 2; the male connector 6 is then connected through the second fitting 3 and the first fitting 2 into the second connection 12, and finally the male connector 6 is locked in the second connection 12 by the cooperation of the second fitting 3 with the male connector 6. Finally, a detachable connection of the cooling tube and the male connector 6 is achieved.

In summary, it is known that the cooling tube is detachably connected to the male connector 6 via the connecting body 1, the first fitting 2 and the second fitting 3. The detachable connection mode is convenient for realizing the assembly of the cooling pipe and the male connector 6 and the disassembly of the cooling pipe and the male connector 6. Therefore, the pipe fitting connecting device provided by the invention effectively solves the problem that the cooling pipe and the male joint 6 are difficult to connect in the prior art.

In one embodiment, as shown in fig. 1 and 3, the first fitting 2 is provided with a fitting portion 21, and the first fitting 2 is connected to the second connection portion 12 by the fitting portion 21 in a snap-fit manner. The structure of the clamping connection is very simple, so that the first assembly part 2 and the connecting main body 1 can be quickly assembled, and meanwhile, the clamping connection is also convenient for the disassembly of the first assembly part 2 and the connecting main body 1. In other embodiments, the fitting portion 21 and the second connecting portion 12 may be screw-connected, the connection strength of the screw-connected is high, and the fitting and removal of the screw-connected first fitting 2 and the connecting body 1 are also convenient.

In an embodiment, as shown in fig. 1 and 3, the assembly portion 21 is provided with a latch 211, the second connection portion 12 is correspondingly provided with a latch hole 121, and the assembly portion 21 is in latching connection with the second connection portion 12 through cooperation of the latch 211 and the latch hole 121. By providing the locking tongue 211 on the fitting portion 21 and providing the locking hole 121 corresponding to the second connecting portion 12, the fitting portion 21 can be firmly connected to the second connecting portion 12 by locking the locking tongue 211 into the locking hole 121 during fitting, and thus the first fitting 2 and the connecting body 1 can be firmly connected. The number of the clamping tenons 211 and the corresponding clamping holes 121 can be one or a plurality, and the plurality of the clamping tenons 211 and the clamping holes 121 which are correspondingly connected can enable the connection between the assembly part 21 and the second connecting part 12 to be firmer. But not limited thereto, there are many connection modes of the snap connection. In other embodiments, the latch 211 may be disposed on the second connecting portion 12, and the assembly portion 21 is correspondingly provided with the latch hole 121, that is, the second connecting portion 12 is provided with the latch 211, the assembly portion 21 is correspondingly provided with the latch hole 121, and the second connecting portion 12 is connected to the assembly portion 21 in a latching manner by the cooperation of the latch 211 and the latch hole 121. During assembly, the second connecting portion 12 can be firmly connected with the assembly portion 21 by clamping the clamping tenon 211 into the clamping hole 121, and thus the first assembly 2 and the connecting body 1 can be firmly connected.

Further, as shown in fig. 1-3, the assembly portion 21 is provided with an opening 213, one end of the latch 211 is connected to a side wall of the opening 213, the other end of the latch 211 is provided with a tenon 212 protruding out of the opening 213, and the latch 211 is in clamping fit with the clamping hole 121 through the tenon 212. So configured, only one end of the latch 211 is connected to the sidewall of the opening 213, while the other portion of the latch 211 is not connected to the sidewall of the opening 213. Because the other end of the locking tenon 211 is provided with the tenon 212 protruding from the opening 213, the tenon 212 of the locking tenon 211 forces the locking tenon 211 to bend and deform towards the inside of the assembling part 21 in the process of locking the assembling part 21 into the second connecting part 12, so that the assembling part 21 can be conveniently and rapidly locked into the second connecting part 12. Then, the tenon 212 of the tenon 211 enters the clamping hole 121 of the assembly part 21, and at this time, the tenon 212 is clamped into the clamping hole 121 of the second connection part 12 under the elastic force of the tenon 211, so as to realize the clamping connection between the assembly part 21 and the second connection part 12.

In one embodiment, as shown in fig. 1,3 and 4, fig. 4 is a cross-sectional view at B-B of fig. 2. The first fitting part 2 is provided with a fitting cavity 22 penetrating through both ends, the side wall of the first fitting part 2 is provided with a fitting opening 221, the fitting opening 221 is communicated with the fitting cavity 22, and the second fitting part 3 is arranged in the fitting cavity 22 through the fitting opening 221. So arranged, the second fitting 3 can be conveniently mounted in the fitting cavity 22 of the first fitting 2 through the fitting opening 221.

In an embodiment, as shown in fig. 1,3 and 4, a first limiting protrusion 222 is disposed in the assembly cavity 22, and a second limiting protrusion 31 is disposed in the second assembly 3, where the second limiting protrusion 31 is stopped at the first limiting protrusion 222 so that the second assembly 3 is clamped to the first assembly 2. So arranged, the second fitting part 3 can be firmly mounted in the first fitting part 2, avoiding that the second fitting part 3 is detached from the fitting cavity 22 of the first fitting part 2 during the fitting process.

In an embodiment, as shown in fig. 1,3, 4 and 5, fig. 5 is a front view of a second fitting 3 according to an embodiment of the present invention. The second assembly part 3 is provided with a clamping structure, and is matched with the male connector 6 in a clamping way through the clamping structure so as to fix the male connector 6. The structure of the clamping connection is very simple, so that the second assembly part 3 and the male connector 6 can be quickly assembled, and meanwhile, the second assembly part 3 and the male connector 6 are convenient to disassemble due to the clamping connection. In other embodiments, the second fitting 3 and the male connector 6 may be in threaded connection, the connection strength of the threaded connection is high, and the assembly and disassembly of the threaded second fitting 3 and the male connector 6 are convenient.

In an embodiment, as shown in fig. 1, 3, 4 and 5, the second fitting 3 is provided with a through hole 32 through which the male connector 6 passes, an inner wall of the through hole 32 is convexly provided with a clamping portion 321, an outer wall of the male connector 6 is provided with a clamping groove 61, and the clamping portion 321 is used for being matched with the clamping groove 61 to fix the male connector 6. In the assembly process, the first assembly part 2 is connected with the connecting main body 1, the second assembly part 3 is installed in the first assembly part 2, and finally the male connector 6 passes through the through hole 32 of the second assembly part 3 to realize clamping connection with the second assembly part 3. The through hole 32 of the second fitting 3 is provided with a protruding clamping portion 321, and the outer wall of the male connector 6 is provided with a clamping groove 61, so that during the assembly process, the clamping portion 321 can realize the clamping connection between the second fitting 3 and the male connector 6 by being clamped into the clamping groove 61, thereby fixing the male connector 6 at one end of the second connecting portion 12. The structure of the clamping part 321 and the clamping groove 61 is very simple, and the arrangement is beneficial to the processing and manufacturing of the second assembly part 3 and the male connector 6.

In one embodiment, as shown in fig. 1, 3,4 and 5, the second fitting 3 includes a main body portion 33 and a resilient portion 34. The through hole 32 penetrates the main body 33 so that the main body 33 is annular, the elastic portion 34 is provided outside the main body 33, the engagement portion 321 is provided inside the main body 33, and the main body 33 is provided in the fitting chamber 22 and at least partially exposes the fitting opening 221. One end of the elastic part 34 is connected with the main body 1, and the other end is abutted against the inner wall of the assembly cavity 22 away from the assembly opening 221. The body portion 33 can press the elastic portion 34 in a direction away from the fitting opening 221 to disengage the engagement portion 321 of the second fitting 3 from the engagement groove 61 of the male connector 6. By pressing the portion of the main body 33 that exposes the fitting opening 221, the main body 33 can press the elastic portion 34 in a direction away from the fitting opening 221, and finally the locking portion 321 of the second fitting 3 is separated from the locking groove 61 of the male connector 6, so that the male connector 6 is separated from the second fitting 3, the locking of the second fitting 3 to the male connector 6 is released, the male connector 6 can be pulled out from the second connecting portion 12, and the cooling pipe and the male connector 6 are detached. By the arrangement, the male connector 6 and the cooling pipe are detached more simply and conveniently.

In an embodiment, as shown in fig. 1, 3,4 and 5, the elastic portion 34 includes a pair of elastic pieces 341, one end of each pair of elastic pieces 341 is connected to the main body 1, the other end of each pair of elastic pieces 341 abuts against the inner wall of the assembly cavity 22, and an included angle is formed between each elastic piece 341 and the inner wall of the assembly cavity 22, and the included angle is an acute angle or an obtuse angle. When the elastic sheet 341 is pressed by the main body portion 33, the elastic sheet 341 can bend and deform by virtue of the elastic deformation capability of the main body portion 33, so that the main body portion 33 can move towards one side of the elastic sheet 341, and finally the clamping portion 321 of the second assembly 3 is separated from the clamping groove 61 of the male connector 6, and then the male connector 6 is removed from the through hole 32 of the second assembly 3, so that the cooling pipe and the male connector 6 are detached. One end of the elastic piece 341 is connected with the main body 1, the other end of the elastic piece is abutted against the inner wall of the assembling cavity 22, and an included angle is formed between the elastic piece 341 and the inner wall of the assembling cavity 22, and the included angle is an acute angle or an obtuse angle. By this arrangement, a better elastic force can be provided, and the clamping portion 321 is more beneficial to be inserted into the clamping groove 61 of the male connector 6 so as to lock the male connector 6. However, in other embodiments, the elastic portion 34 may be a compression spring, one end of which is connected to the main body 1 and the other end of which abuts against the inner wall of the assembly chamber 22. Pressing the body portion 33 causes the compression spring to be compressed, thereby disengaging the engagement portion 321 of the second fitting 3 from the engagement groove 61 of the male connector 6. Likewise, the male connector 6 is removed from the through-hole 32 of the second fitting 3, whereby the cooling tube is removed from the male connector 6.

Further, as shown in fig. 4 and 5, the pair of elastic pieces 341 extend in directions toward or away from each other, respectively, and the pair of elastic pieces 341 are at equal angles to the inner wall of the fitting chamber 22. When the elastic pieces 341 are pressed by the main body 33, the forces to which the pair of elastic pieces 341 are subjected are equal, and the supporting forces of the inner wall of the fitting chamber 22 to the elastic pieces 341 are also equal. This arrangement is advantageous in improving the stability of the elastic portion 34.

In one embodiment, as shown in fig. 1, 4 and 5, an end of the main body portion 33 exposed to the fitting opening 221 is provided with a rugged surface. When the male connector 6 is detached, the portion of the main body 33 exposed from the fitting opening 221 may be pressed to press the elastic portion 34 in a direction away from the fitting opening 221 by the main body 33, and finally, the engaging portion 321 of the second fitting 3 is disengaged from the engaging groove 61 of the male connector 6, thereby separating the male connector 6 from the second fitting 3. Therefore, the end of the main body 33 exposed to the fitting opening 221 is provided with an uneven surface, which is advantageous for realizing the anti-slip function in the process of pressing the main body 33.

In one embodiment, as shown in fig. 1 and 5, two opposite sides of the main body 33 are respectively provided with a positioning piece 35, one end of the positioning piece 35 is connected to the main body 1, and the other end is abutted against the inner wall of the assembly cavity 22. The positioning piece 35 can fill the gap between the main body part 33 and the assembly cavity 22, so that the main body part 33 is abutted against the inner wall of the assembly cavity 22, and the second assembly part 3 is stably arranged in the assembly cavity 22, thereby being beneficial to the stable connection of the second assembly part 3 and the first assembly part 2.

In one embodiment, as shown in fig. 1 and 3, the cross section of the anti-falling protrusion 111 is in a barb shape. Since the cooling pipe is sleeved outside the first connecting portion 11, the anti-falling protrusion 111 can be locked into the inner wall of the cooling pipe, so that the cooling pipe is firmly connected outside the first connecting portion 11. Therefore, the barb-like shape of the drop-preventing protrusions 111 is advantageous in preventing the cooling tube from being disconnected from the outside of the first connection portion 11 of the connection body 1, so that the connection of the cooling tube to the connection body 1 is more secure. Further, as shown in fig. 1, the anti-falling protrusion 111 is annular, and at least one circle of anti-falling protrusion 111 is disposed on the outer side of the first connecting portion 11. The anti-falling protrusion 111 is annular and is easier to process, and the annular anti-falling protrusion 111 is more stable in structure and is not easy to damage. The provision of the multi-turn anti-drop protrusions 111 makes the connection of the cooling tube with the connection body 1 more secure.

In one embodiment, as shown in fig. 1 and 3, the first sealing ring 4 is sleeved outside the first connecting portion 11. By providing the first sealing ring 4, the sealing effect between the cooling pipe and the first connection portion 11 can be made better.

Further, as shown in fig. 1 and 3, an annular limiting groove 112 is further provided on the outer side of the first connecting portion 11, and the first sealing ring 4 is disposed in the limiting groove 112. Through setting up the spacing groove 112 that is used for providing spacing effect to first sealing washer 4, can make the assembly in-process of cooling tube and first connecting portion 11, first sealing washer 4 can not take place displacement or deformation, is favorable to first sealing washer 4 to keep better sealed effect. But not limited to this, can also set up spacing bump in the outside of first connecting portion 11, spacing protruding displacement that also can restrict first sealing washer 4 to spacing protruding simple structure easily processing.

In an embodiment, as shown in fig. 1 and 3, a sealing boss 122 is disposed on an inner wall of the second connecting portion 12, a sealing assembly 5 for sleeving on an outer side of the male connector 6 is installed at the sealing boss 122, and one end of the first fitting 2 abuts against the sealing assembly 5 so that the other end of the sealing assembly 5 abuts against the sealing boss 122. The seal assembly 5 is fitted over the male connector 6, and one end of the seal assembly 5 is abutted against the first fitting 2, and the other end is abutted against the seal boss 122 provided on the second connecting portion 12. The sealing assembly 5 is beneficial to fully seal the gap between the first fitting 2 and the second connection part 12, so that the pipe connecting device keeps good sealing performance. During the assembly of the cooling tube and the male connector 6, the cooling tube is first sleeved outside the first connecting portion 11 of the connecting body 1; the sealing component 5 is arranged in the second connecting part 12 of the connecting main body 1, and one end of the sealing component 5 is abutted against the sealing boss 122 in the second connecting part 12; the first fitting 2 is then detachably connected to the connecting body 1 at the second connecting portion 12, and the first fitting 2 abuts against the other end of the seal assembly 5 remote from the seal boss 122; then the second fitting 3 is arranged inside the first fitting 2; finally, the male connector 6 is connected into the second connecting part 12 through the second fitting 3 and the first fitting 2, and finally, the male connector 6 is locked in the second connecting part 12 by the cooperation of the second fitting 3 and the male connector 6. Finally, a detachable connection of the cooling tube and the male connector 6 is achieved.

Further, as shown in fig. 1 and 3, the seal assembly 5 includes at least two second seal rings 51 and a connection ring 52 connected between the adjacent second seal rings 51. The increased number of second seal rings 51 is beneficial to further improving the tightness of the seal assembly 5, and the adjacent second seal rings 51 are connected together through the connecting ring 52, which is beneficial to the tight connection of different second seal rings 51. During the assembly process of the sealing assembly 5, the second sealing ring 51 and the connecting ring 52 can be arranged in the second connecting portion 12 at intervals at a time, and finally the complete sealing assembly 5 is formed.

In one embodiment, as shown in fig. 1, the outer side of the connection ring 52 is provided with a protruding rib 521, and the rib 521 is tightly fitted with the inner wall of the second connection portion 12. This arrangement makes it possible to make the connection of the sealing member 5 with the second connecting portion 12 even tighter.

In an embodiment, the first connection portion 11 and the second connection portion 12 are connected in an L shape, so that a right-angle steering of the internal fluid can be achieved, and the structure is simple. However, the present application is not limited thereto, and the first connection portion 11 and the second connection portion 12 may be connected in other shapes, such as a straight line shape, a blunt angle shape, or an acute angle shape.

The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the invention and are not to be construed as limiting the invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A pipe connection device, comprising:

the connecting main body (1) comprises a first connecting part (11) used for being connected with a cooling pipe and a second connecting part (12) used for being connected with a male connector (6), wherein an anti-falling protrusion (111) used for being in interference fit with the cooling pipe is arranged on the outer side of the first connecting part (11), one end of the second connecting part (12) is connected with the first connecting part (11), and the male connector (6) penetrates into the second connecting part (12) from the other end of the second connecting part (12);

A first fitting (2) detachably connected to an end of the second connecting portion (12) remote from the first connecting portion (11); and

The second assembly part (3) is arranged in the first assembly part (2), and the second assembly part (3) is used for being detachably connected with the male connector (6) to fix the male connector (6);

The first assembly part (2) is provided with an assembly part (21), and the first assembly part (2) is connected with the second connection part (12) in a clamping way through the assembly part (21);

The assembly part (21) is provided with a clamping tenon (211), the second connecting part (12) is correspondingly provided with a clamping hole (121), and the assembly part (21) is in clamping connection with the second connecting part (12) through the matching of the clamping tenon (211) and the clamping hole (121); or alternatively

The second connecting part (12) is provided with a clamping tenon (211), the assembling part (21) is correspondingly provided with a clamping hole (121), and the second connecting part (12) is in clamping connection with the assembling part (21) through the matching of the clamping tenon (211) and the clamping hole (121);

The assembly part (21) is provided with an opening (213), one end of the clamping tenon (211) is connected to the side wall of the opening (213), the other end of the clamping tenon (211) is provided with a tenon (212) protruding out of the opening (213), and the clamping tenon (211) is in clamping fit with the clamping hole (121) through the tenon (212);

The outer side of the first connecting part (11) is sleeved with a first sealing ring (4).

2. A pipe connection according to claim 1, characterized in that the first fitting part (2) is provided with a fitting cavity (22) penetrating through both ends, the side wall of the first fitting part (2) is provided with a fitting opening (221), the fitting opening (221) is communicated with the fitting cavity (22), and the second fitting part (3) is arranged in the fitting cavity (22) through the fitting opening (221).

3. A pipe connection device according to claim 2, wherein a first limiting protrusion (222) is arranged in the assembly cavity (22), a second limiting protrusion (31) is correspondingly arranged in the second assembly part (3), and the second limiting protrusion (31) is stopped at the first limiting protrusion (222) so that the second assembly part (3) is clamped with the first assembly part (2).

4. A pipe connection device according to claim 3, characterized in that the second fitting (3) is provided with a through hole (32) for the male connector (6) to pass through, a clamping part (321) is convexly arranged on the inner wall of the through hole (32), a clamping groove (61) is arranged on the outer wall of the male connector (6), and the clamping part (321) is used for being matched with the clamping groove (61) to fix the male connector (6).

5. A pipe connection device according to claim 4, wherein the second fitting (3) comprises a main body part (33) and an elastic part (34), the through hole (32) penetrates through the main body part (33) to enable the main body part (33) to be annular, the elastic part (34) is arranged outside the main body part (33), the clamping part (321) is arranged inside the main body part (33), the main body part (33) is arranged in the fitting cavity (22) and at least partially exposes the fitting opening (221), one end of the elastic part (34) is connected with the main body part (33), and the other end of the elastic part is abutted against the inner wall, far away from the fitting opening (221), of the fitting cavity (22); the main body part (33) can press the elastic part (34) towards the direction away from the assembly opening (221) so as to enable the clamping part (321) of the second assembly part (3) to be separated from the clamping groove (61) of the male connector (6).

6. A pipe connection device according to claim 5, wherein the elastic part (34) comprises a pair of elastic pieces (341), one end of each elastic piece (341) is connected with the main body part (33), the other end of each elastic piece is abutted against the inner wall of the assembling cavity (22), and an included angle is formed between each elastic piece (341) and the inner wall of the assembling cavity (22), and the included angle is an acute angle or an obtuse angle.

7. A pipe connection according to claim 6, wherein a pair of said elastic pieces (341) extend in directions toward or away from each other, respectively, and the angle between the pair of elastic pieces (341) and the inner wall of the fitting chamber (22) is equal.

8. A pipe connection device according to claim 5, wherein the end of the body portion (33) which is exposed to the fitting opening (221) is provided with a rugged surface.

9. A pipe fitting connecting device according to claim 5, characterized in that positioning pieces (35) are respectively arranged on two opposite sides of the main body part (33), one end of each positioning piece (35) is connected with the main body part (33), and the other end of each positioning piece is abutted against the inner wall of the assembling cavity (22).

10. A pipe connection according to claim 1, characterized in that the cross section of the anti-slip-out protrusion (111) is barb-shaped.

11. A pipe connection according to claim 10, characterized in that the anti-slip-off protrusion (111) is ring-shaped and that the outer side of the first connection part (11) is provided with at least one ring of the anti-slip-off protrusion (111).

12. A pipe connection device according to claim 1, characterized in that the outer side of the first connection part (11) is further provided with an annular limit groove (112), and the first sealing ring (4) is arranged in the limit groove (112).

13. A pipe connection device according to claim 1, characterized in that the inner wall of the second connection part (12) is provided with a sealing boss (122), a sealing assembly (5) for sleeving the outer side of the male connector (6) is installed at the sealing boss (122), and one end of the first fitting (2) is abutted to the sealing assembly (5) so that the other end of the sealing assembly (5) is abutted to the sealing boss (122).

14. A pipe connection according to claim 13, characterized in that the sealing assembly (5) comprises at least two second sealing rings (51) and a connecting ring (52) connected between adjacent second sealing rings (51).

15. A pipe connection according to claim 14, characterized in that the outer side of the connection ring (52) is provided with protruding ribs (521), which ribs (521) are in close fit with the inner wall of the second connection part (12).

16. A pipe connection according to claim 1, characterized in that the first connection part (11) and the second connection part (12) are connected in an L-shape.