CN111779905A

CN111779905A - Pipe fitting connecting device

Info

Publication number: CN111779905A
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: 2020-10-16
Anticipated expiration: 2040-07-10
Also published as: CN111779905B

Abstract

The present invention relates to a pipe connecting device including a connecting body, a first fitting and a second fitting. The connecting main body comprises a first connecting portion and a second connecting portion, the first connecting portion is used for being connected with the cooling pipe, the second connecting portion is used for being connected with the male connector, the anti-falling protrusions are arranged on the outer side of the first connecting portion and used for being in interference fit with the cooling pipe, one end of the second connecting portion is connected with the first connecting portion, and the male connector is arranged in the second connecting portion in a penetrating mode from the other end of the second connecting portion. The first assembly part is detachably connected to one end, far away from the first connecting part, of the second connecting part. The second assembly part is arranged in the first assembly part, and the second assembly part is used for being detachably connected with the male connector so as to fix the male connector. The pipe fitting connecting device provided by the invention effectively solves the problem that the cooling pipe and the 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 the application of the power battery is more and more extensive along with the high-speed development of the new energy automobile industry. The power battery generates heat to a certain extent during the process of transmitting electric power, and the power battery may be short-circuited or even exploded along with the accumulation of heat. In order to prevent the power battery from short circuit or even explosion caused by heat generation, the power battery needs to be rapidly cooled in time. Generally, the power battery needs to be externally connected with a cooling pipe, and the cooling pipe is generally connected with a male connector and then assembled on the power battery. The cooling tube generally adopts the softer plastic material of texture, and the male joint is the metal material, therefore difficult direct link together cooling tube and male joint.

Disclosure of Invention

In view of the above, there is a need to provide a pipe connecting device, which solves the problem in the prior art that the cooling pipe and the male connector are difficult to connect.

The invention provides a pipe fitting connecting device which comprises a connecting body, a first assembly part and a second assembly part. The connecting main body comprises a first connecting portion and a second connecting portion, the first connecting portion is used for being connected with the cooling pipe, the second connecting portion is used for being connected with the male connector, the anti-falling protrusions are arranged on the outer side of the first connecting portion and used for being in interference fit with the cooling pipe, one end of the second connecting portion is connected with the first connecting portion, and the male connector is arranged in the second connecting portion in a penetrating mode from the other end of the second connecting portion. The first assembly part is detachably connected to one end, far away from the first connecting part, of the second connecting part. The second assembly part is arranged in the first assembly part, and the second assembly part is used for being detachably connected with the male connector so as to fix the male connector.

In an embodiment of the invention, the first assembly part is provided with an assembly portion, and the first assembly part is connected with the second connecting portion in a clamping manner through the assembly portion. The clamping connection structure is very simple, the first assembly part and the connecting body can be quickly assembled, and meanwhile, the clamping connection is convenient for the disassembly of the first assembly part and the connecting body.

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

In an embodiment of the invention, the assembling portion is provided with an opening, one end of the clamping tenon is connected to a 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 clamped and matched with the clamping hole through the tenon. So set up, the lateral wall of trompil is connected to only one end of trip, and the other positions of trip and the inner wall of trompil do not connect. And the tenon protruding out of the hole is arranged at the other end of the clamping tenon, so that the tenon can force the clamping tenon to bend and deform towards the inside of the assembling part in the process of clamping the assembling part into the second connecting part, and the assembling part can be conveniently and quickly clamped into the second connecting part. And then, the tenon of the clamping tenon enters the clamping hole of the assembling part, and at the moment, the tenon is clamped into the clamping hole of the second connecting part under the elastic action of the clamping tenon, so that the assembling part is connected with the second connecting part in a clamping manner.

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

In an embodiment of the invention, a first limiting protrusion is disposed in the assembling cavity, a second limiting protrusion is correspondingly disposed on the second assembling member, and the second limiting protrusion stops at the first limiting protrusion to enable the second assembling member to be clamped to the first assembling member. By the arrangement, the second assembly part can be firmly arranged 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 penetrate through, the inner wall of the through hole is convexly provided with a clamping portion, the outer wall of the male connector is provided with a clamping groove, and the clamping portion is used for being matched with the clamping groove to fix the male connector. In the assembling process, the first assembling part and the connecting main body are detachably connected together, the second assembling part is installed in the first assembling part, and finally the male connector penetrates through the through hole of the second assembling part to be connected with the second assembling part in a clamping mode. And be provided with bellied joint portion in the through-hole of second assembly part to and the male joint outer wall is equipped with the joint groove, therefore in the assembling process, joint portion accessible card is gone into the joint inslot and is realized the joint of second assembly part and male joint and be connected. The structure in joint portion and joint groove is very simple, so set up, is favorable to the manufacturing of second assembly part and male joint.

In an embodiment of the invention, the second assembly 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 assembling cavity and at least partially exposes out of the assembling opening. One end of the elastic part is connected with the main body part, and the other end of the elastic part is abutted against the inner wall of the assembly cavity far away from the assembly opening. The main body part can press the elastic part towards the direction far away from the assembling opening so that the clamping part of the second assembling part is separated from the clamping groove of the male connector. Through pressing the part that the main part exposes the assembly opening, can make the main part orientation push elasticity portion away from the direction of assembly opening, finally make the joint portion of second assembly part break away from the joint groove of male joint to realize the separation of male joint and second assembly part. The locking of the male connector by the second assembly member is released, and the male connector can be pulled out from the second connecting portion. Thereby realizing the disassembly of the cooling pipe and the male joint. So set up for the dismantlement of male joint and cooling tube becomes simple and convenient more.

In an embodiment of the invention, the elastic portion includes a pair of elastic pieces, one end of each of the pair of elastic pieces is connected to the main body portion, the other end of each of the pair of elastic pieces abuts against the inner wall of the assembling cavity, and an included angle is formed between each of the elastic pieces and the inner wall of the assembling cavity, and the included angle is an acute angle or an obtuse angle. So set up, when the main part extruded the flexure strip, the flexure strip can rely on the elastic deformation ability of self to carry out bending deformation for the main part can be towards flexure strip one side displacement, finally makes the joint portion of second assembly part break away from the joint groove of male joint, shifts out the male joint in the through-hole of second assembly part again, thereby realizes the dismantlement of cooling tube and male joint.

In an embodiment of the present invention, the pair of elastic pieces extend toward or away from each other, and the included angles between the pair of elastic pieces and the inner wall of the assembling cavity are equal. When the elastic pieces are extruded by the main body part, the forces applied to the pair of elastic pieces are equal, and the supporting forces of the inner wall of the assembling cavity to the elastic pieces are also equal. So set up, be favorable to improving the stability of elasticity portion.

In an embodiment of the invention, an end of the main body portion exposed from the mounting opening is provided with an uneven surface. Because need expose the part of assembly opening so that the main part orientation is kept away from the direction extrusion elasticity portion of assembly opening through pressing the main part, finally make the joint portion of second assembly part break away from the joint groove of male joint to realize the separation of male joint and second assembly part. Therefore, the end, exposed out of the assembling opening, of the main body part is provided with the uneven surface, and the anti-skidding function is favorably 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 the positioning piece is connected with the main body portion, and the other end of the positioning piece abuts against the inner wall of the assembling cavity. The locating piece can fill up the clearance between main part and the assembly chamber, makes the main part butt on the inner wall of assembly chamber to make the stable setting of second assembly part at the assembly intracavity, be favorable to the stable connection of second assembly part and first assembly part.

In an embodiment of the present invention, the cross section of the anti-slip protrusion is in a barb shape. Because when locating the cooling tube cover in the first connecting portion outside, the inner wall of cooling tube can be gone into to the anticreep arch card, makes the cooling tube firm connection in the first connecting portion outside. Therefore, the anti-falling bulge is in the shape of a barb, 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 connection of the cooling pipe and the connecting body is firmer.

In an embodiment of the invention, the anti-falling protrusion is annular, and at least one circle of anti-falling protrusion is disposed outside the first connection portion. The anticreep is annular easier processing to annular anticreep protruding structure is more stable, is difficult to take place to damage. The cooling pipe can be more firmly connected with the connecting main body by being provided with a plurality of circles of anti-falling bulges.

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 limiting displacement to first sealing washer, can make the assembling process of cooling tube and first connecting portion, displacement or deformation can not take place for first sealing washer, 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 element for being sleeved outside the male connector is mounted at the sealing boss, and one end of the first assembly member abuts against the sealing element so that the other end of the sealing element abuts against the sealing boss. The sealing component is sleeved on the outer side of the male connector, one end of the sealing component is abutted to the first assembly part, and the other end of the sealing component is abutted to the sealing boss arranged on the second connecting part. The sealing assembly is favorable for 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. In the assembling process of the cooling pipe and the male connector, the cooling pipe is sleeved outside the first connecting part of the connecting main body; then 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; the first assembly part is detachably connected to the second connecting part of the connecting main body, and abuts against the other end, away from the sealing boss, of the sealing assembly; then arranging the second assembly part inside the first assembly part; and finally, the male connector is detachably connected to the second assembly member. Finally, the detachable connection of the cooling pipe and the male connector is realized.

In one embodiment of the present invention, the seal assembly includes at least two secondary seal rings and a connecting ring connected between adjacent secondary seal 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 ring, so that the tight connection of different second sealing rings is facilitated. In the assembling process of the sealing assembly, the second sealing ring and the connecting ring can be arranged inside the second connecting part at intervals at one time, and finally the complete sealing assembly is formed.

In an embodiment of the invention, the outer side of the connecting ring is provided with a raised rib, and the rib is tightly matched with the inner wall of the second connecting part. So set up, can make seal assembly and the connection of second connecting portion inseparabler.

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

The present invention provides a pipe connecting device comprising: the connecting body, the first fitting and the second fitting. The connecting body includes a first connecting portion for connecting with the cooling pipe and a second connecting portion for connecting with the male joint. First connecting portion outside is equipped with and is used for protruding with cooling tube interference fit's anticreep, and the cooling tube generally adopts the softer plastic material of texture, and consequently, when locating the first connecting portion outside with the cooling tube cover, the inner wall of cooling tube can be gone into to the anticreep arch, makes the cooling tube firm connection in the first connecting portion outside. 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 assembly part is detachably connected to one end, far away from the first connecting part, of the second connecting part. The second assembly part is arranged in the first assembly part, and the second assembly part is used for being detachably connected with the male connector so as to fix the male connector. From the above, the male connector is detachably connected to the second connecting portion through the first assembly member and the second assembly member.

In the assembling process of the cooling pipe and the male connector, the cooling pipe is sleeved outside the first connecting part of the connecting main body; the first assembly part is detachably connected to a second connecting part of the connecting main body; then arranging the second assembly part inside the first assembly part; the male connector is then connected into the second connection part through the second fitting part and the first fitting part, and finally locked in the second connection part by the second fitting part cooperating with the male connector. Finally, the detachable connection of the cooling pipe and the male connector is realized.

In summary, the cooling pipe is detachably connected to the male connector by the connecting body, the first assembly member and the second assembly member. The detachable connection mode is convenient for the assembly of the cooling pipe and the male connector and the detachment 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 connector are difficult to connect in the prior art.

Drawings

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

FIG. 2 is a top view of a tubular connection apparatus according to one 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 taken at B-B of FIG. 2;

figure 5 is a front view of a second assembly of an embodiment of the present invention.

Reference numerals: 1. a connecting body; 11. a first connection portion; 111. the anti-drop bulge; 112. a limiting groove; 12. a second connecting portion; 121. a clamping hole; 122. sealing the boss; 2. a first fitting member; 21. an assembling portion; 211. a tenon is clamped; 212. a tenon; 213. opening a hole; 22. an assembly chamber; 221. an assembly port; 222. a first limit protrusion; 3. a second fitting member; 31. a second limit bulge; 32. a through hole; 321. a clamping part; 33. a main body portion; 34. an elastic part; 341. an elastic sheet; 35. positioning plates; 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. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood 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 a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, fig. 1 is an exploded view of a pipe connection device according to an embodiment of the present invention, fig. 2 is a top view of the pipe connection device according to the embodiment of the present invention, and fig. 3 is a cross-sectional view taken along line a-a of fig. 2. The present invention provides a pipe connecting device, comprising: the body 1, the first fitting 2 and the second fitting 3 are connected.

The connection body 1 includes a first connection portion 11 for connection with a cooling pipe and a second connection portion 12 for connection with the male connector 6. First connecting portion 11 outside is equipped with and is used for the bellied 111 of anticreep with cooling tube interference fit, and the cooling tube generally adopts the softer plastic material of texture, and consequently, when locating first connecting portion 11 outside with the cooling tube cover, the inner wall of cooling tube can be gone into to the bellied 111 card of anticreep, makes the cooling tube firm connection in the first connecting portion 11 outside.

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 attached 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 to the male connector 6 to fix the male connector 6. As is apparent 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.

In the assembling process of the cooling pipe and the male joint 6, the cooling pipe is sleeved outside the first connecting part 11 of the connecting main body 1; the first assembly part 2 is detachably connected to the second connecting part 12 of the connecting main body 1; then the second assembly member 3 is arranged inside the first assembly member 2; the male connector 6 is then connected into the second connection part 12 through the second fitting part 3 and the first fitting part 2, and finally the male connector 6 is locked in the second connection part 12 by the second fitting part 3 cooperating with the male connector 6. Finally, the detachable connection of the cooling pipe and the male joint 6 is realized.

In summary, the cooling pipe is detachably connected to the male connector 6 by the connecting body 1, the first fitting 2 and the second fitting 3. The detachable connection mode is convenient for assembling the cooling pipe and the male connector 6 and also convenient for disassembling 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 connector 6 are difficult to connect in the prior art.

In one embodiment, as shown in fig. 1 and 3, the first assembly member 2 is provided with a mounting portion 21, and the first assembly member 2 is snap-connected to the second connecting portion 12 through the mounting portion 21. The structure that the joint is connected is very simple, can make first assembly part 2 and connecting body 1 realize rapid Assembly, simultaneously, the joint is connected and also is convenient for first assembly part 2 and connecting body 1's dismantlement. In other embodiments, the fitting portion 21 and the second connecting portion 12 may be screwed, the connection strength of the screwed connection is high, and the first fitting member 2 and the connecting body 1 are easily assembled and disassembled.

In an embodiment, as shown in fig. 1 and fig. 3, the assembling portion 21 is provided with a latch 211, the second connecting portion 12 is correspondingly provided with a latch hole 121, and the assembling portion 21 is connected with the second connecting portion 12 in a latching manner through the cooperation of the latch 211 and the latch hole 121. Through set up tenon 211 on assembly portion 21 to corresponding the setting joint hole 121 at second connecting portion 12, when the assembly, assembly portion 21 can realize the firm connection with second connecting portion 12 through going into joint hole 121 with tenon 211 card, can realize the firm connection of first assembly part 2 and connecting body 1. The number of the tenon 211 and the corresponding tenon hole 121 may be one or more, and the installation part 21 and the second connection part 12 can be more firmly connected by arranging a plurality of correspondingly connected tenons 211 and corresponding tenon holes 121. But are not limited to, a wide variety of snap-fit connections. In other embodiments, the tenon 211 may be disposed on the second connecting portion 12, and the assembling portion 21 is correspondingly provided with the clamping hole 121, that is, the second connecting portion 12 is provided with the tenon 211, the assembling portion 21 is correspondingly provided with the clamping hole 121, and the second connecting portion 12 is connected with the assembling portion 21 in a clamping manner through the matching of the tenon 211 and the clamping hole 121. During assembly, the second connecting portion 12 can be firmly connected with the assembling portion 21 by clamping the clamping tenon 211 into the clamping hole 121, and the first assembling part 2 can be firmly connected with the connecting body 1.

Further, as shown in fig. 1-3, the assembling portion 21 is provided with an opening 213, one end of the tenon 211 is connected to a side wall of the opening 213, the other end of the tenon 211 is provided with a tenon 212 protruding out of the opening 213, and the tenon 211 is in clamping fit with the clamping hole 121 through the tenon 212. With this arrangement, only one end of the latch 211 is connected to the sidewall of the opening 213, and other portions of the latch 211 are not connected to the sidewall of the opening 213. Since the other end of the tenon 211 is provided with the tenon 212 protruding out of the opening 213, during the process of the assembly portion 21 being snapped into the second connection portion 12, the tenon 212 of the tenon 211 forces the tenon 211 to bend and deform toward the inside of the assembly portion 21, thereby facilitating the quick snapping of the assembly portion 21 into the second connection portion 12. Then, the tenon 212 of the tenon 211 enters the clamping hole 121 of the assembling portion 21, and at this time, the tenon 212 is clamped into the clamping hole 121 of the second connecting portion 12 under the elastic force of the tenon 211, so that the assembling portion 21 is connected with the second connecting portion 12 in a clamping manner.

In one embodiment, as shown in FIGS. 1, 3 and 4, FIG. 4 is a cross-sectional view taken at B-B of FIG. 2. The first assembly part 2 is provided with an assembly cavity 22 penetrating through two ends, the side wall of the first assembly part 2 is provided with an assembly opening 221, the assembly opening 221 is communicated with the assembly cavity 22, and the second assembly part 3 is arranged in the assembly cavity 22 through the assembly opening 221. With this arrangement, the second fitting member 3 can be easily mounted in the mounting cavity 22 of the first fitting member 2 through the mounting opening 221.

In an embodiment, as shown in fig. 1, 3 and 4, a first limiting protrusion 222 is disposed in the assembling cavity 22, a second limiting protrusion 31 is correspondingly disposed on the second assembling member 3, and the second limiting protrusion 31 is stopped at the first limiting protrusion 222 so that the second assembling member 3 is clamped to the first assembling member 2. With this arrangement, the second fitting part 3 can be securely mounted in the first fitting part 2, and the second fitting part 3 is prevented from falling out of the fitting cavity 22 of the first fitting part 2 during the fitting process.

In one embodiment, as shown in fig. 1, 3, 4 and 5, fig. 5 is a front view of the second assembly member 3 according to one 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 to fix the male connector 6. The structure that the joint is connected is very simple, can make second assembly part 3 and male joint 6 realize rapid Assembly, simultaneously, the joint is connected also to be convenient for second assembly part 3 and male joint 6's dismantlement. In other embodiments, the second assembly member 3 and the male connector 6 may be screwed, the connection strength of the screwed connection is high, and the assembly and disassembly of the screwed second assembly member 3 and the male connector 6 are also convenient.

In an embodiment, as shown in fig. 1, 3, 4 and 5, the second assembly member 3 is provided with a through hole 32 for the male connector 6 to pass through, the inner wall of the through hole 32 is convexly provided with a clamping portion 321, the outer wall of the male connector 6 is provided with a clamping groove 61, and the clamping portion 321 is used for cooperating with the clamping groove 61 to fix the male connector 6. In the assembling process, the first assembling part 2 and the connecting body 1 are connected together, the second assembling part 3 is installed in the first assembling part 2, and finally the male connector 6 passes through the through hole 32 of the second assembling part 3 to realize clamping connection with the second assembling part 3. And be provided with bellied joint portion 321 in the through-hole 32 of second assembly part 3 to and the male joint 6 outer wall is equipped with joint groove 61, therefore in the assembly process, joint portion 321 accessible card is gone into and is realized the joint of second assembly part 3 and male joint 6 in joint groove 61 and be connected, thereby makes male joint 6 be fixed in second connecting portion 12 one end. The structure of joint portion 321 and joint groove 61 is very simple, so set up, is favorable to the manufacturing of second assembly part 3 and male joint 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 body portion 33 so that the body portion 33 is annular, the elastic portion 34 is provided outside the body portion 33, the engaging portion 321 is provided inside the body portion 33, and the body portion 33 is provided in the mounting cavity 22 and at least partially exposed from the mounting opening 221. The elastic portion 34 has one end connected to the main body 1 and the other end abutting against the inner wall of the fitting cavity 22 away from the fitting opening 221. The body portion 33 can press the elastic portion 34 toward a direction away from the fitting opening 221 to disengage the catching portion 321 of the second fitting 3 from the catching groove 61 of the male connector 6. By pressing the part of the main body part 33 exposed out of the assembling opening 221, the main body part 33 can press the elastic part 34 in the direction away from the assembling opening 221, and finally the clamping part 321 of the second assembling part 3 is separated from the clamping groove 61 of the male connector 6, so that the male connector 6 is separated from the second assembling part 3, the male connector 6 is unlocked by the second assembling part 3, the male connector 6 can be pulled out of the second connecting part 12, and the cooling pipe and the male connector 6 can be detached. So set up for the dismantlement of male joint 6 and cooling tube becomes simple and convenient more.

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 the pair of elastic pieces 341 is connected to the main body 1, the other end of the pair of elastic pieces 341 abuts against the inner wall of the fitting cavity 22, and an included angle is formed between the elastic pieces 341 and the inner wall of the fitting cavity 22, and the included angle is an acute angle or an obtuse angle. So set up, when main part 33 extruded elastic piece 341, elastic piece 341 can rely on the elastic deformation ability of self to carry out bending deformation for main part 33 can be towards elastic piece 341 one side displacement, finally makes joint portion 321 of second assembly part 3 break away from the joint groove 61 of male joint 6, shifts out male joint 6 from the through-hole 32 of second assembly part 3 again, thereby realizes the dismantlement of cooling tube and male joint 6. One end of the elastic piece 341 is connected to the main body 1, and the other end 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. With this arrangement, a good elastic force can be provided, which is more favorable for the insertion of the snap-in portion 321 into the snap-in groove 61 of the male connector 6, thereby locking the male connector 6. But not limited thereto, in other embodiments, the elastic portion 34 may also be a compression spring, one end of which is connected to the main body 1 portion, and the other end of which abuts against the inner wall of the fitting cavity 22. Pressing the body portion 33 causes the compression spring to be compressed, thereby causing the snap-in portions 321 of the second fitting 3 to disengage from the snap-in grooves 61 of the male connector 6. Likewise, the male connector 6 is removed from the through hole 32 of the second fitting member 3, thereby achieving the detachment of the cooling pipe from the male connector 6.

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

In one embodiment, as shown in fig. 1, 4 and 5, the end of the body portion 33 exposed from the mounting opening 221 is provided with an uneven surface. When the male connector 6 is disassembled, the body part 33 presses the elastic part 34 in a direction away from the assembling opening 221 by pressing the part of the body part 33 exposed from the assembling opening 221, and finally the clamping part 321 of the second assembly part 3 is separated from the clamping groove 61 of the male connector 6, so that the male connector 6 is separated from the second assembly part 3. Therefore, the end of the body portion 33 exposed from the fitting opening 221 is provided with an uneven surface, which is advantageous for achieving an anti-slip function in the process of pressing the body portion 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 abuts against the inner wall of the assembly cavity 22. The positioning piece 35 can fill up the gap between the main body part 33 and the assembling cavity 22, so that the main body part 33 abuts against the inner wall of the assembling cavity 22, the second assembling part 3 is stably arranged in the assembling cavity 22, and stable connection between the second assembling part 3 and the first assembling part 2 is facilitated.

In one embodiment, as shown in fig. 1 and 3, the anti-slip protrusions 111 have a barb-like cross section. When the cooling pipe is sleeved outside the first connection portion 11, the anti-dropping protrusion 111 can be clipped into the inner wall of the cooling pipe, so that the cooling pipe is firmly connected outside the first connection portion 11. Therefore, the barb-like shape of the retaining projection 111 is advantageous in preventing the cooling pipe from being detached from the outside of the first coupling portion 11 of the coupling body 1, so that the coupling of the cooling pipe to the coupling body 1 is more secure. Further, as shown in fig. 1, the retaining protrusion 111 is ring-shaped, and at least one ring of retaining protrusion 111 is disposed outside 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 installation of the plurality of rings of anti-dropping protrusions 111 can make the connection between the cooling pipe and the connecting 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 seal 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 seal ring 4 is provided in the limiting groove 112. Through setting up the spacing groove 112 that is used for providing limiting displacement to first sealing washer 4, can make the assembly process of cooling tube and first connecting portion 11, displacement or deformation can not take place for first sealing washer 4, are favorable to first sealing washer 4 to keep better sealed effect. But not limited to this, still can set up spacing bump in the outside of first connecting portion 11, spacing arch also can restrict the displacement of first sealing washer 4 to spacing protruding simple structure easily processes.

In an embodiment, as shown in fig. 1 and fig. 3, a sealing boss 122 is disposed on an inner wall of the second connecting portion 12, a sealing member 5 for being sleeved outside the male connector 6 is mounted at the sealing boss 122, and one end of the first assembly member 2 abuts against the sealing member 5 so that the other end of the sealing member 5 abuts against the sealing boss 122. The sealing member 5 is sleeved outside the male connector 6, and one end of the sealing member 5 abuts against the first assembly 2, and the other end abuts against the sealing boss 122 provided on the second connecting portion 12. The sealing assembly 5 is beneficial to completely sealing the gap between the first assembly part 2 and the second connecting part 12, so that the pipe fitting connecting device keeps good sealing performance. In the assembling process of the cooling pipe and the male joint 6, the cooling pipe is sleeved outside the first connecting part 11 of the connecting main body 1; then the sealing component 5 is arranged in the second connecting part 12 of the connecting 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 assembly part 2 is detachably connected to the second connecting part 12 of the connecting body 1, and the first assembly part 2 abuts against the other end of the sealing component 5 away from the sealing boss 122; then the second assembly member 3 is arranged inside the first assembly member 2; finally, the male connector 6 is connected into the second connection portion 12 through the second fitting member 3 and the first fitting member 2, and finally the male connector 6 is locked to the second connection portion 12 by the second fitting member 3 being fitted with the male connector 6. Finally, the detachable connection of the cooling pipe and the male joint 6 is realized.

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 the second sealing rings 51 is beneficial to further improve the sealing performance of the sealing assembly 5, and the adjacent second sealing rings 51 are connected together through the connecting ring 52, so that the tight connection of different second sealing rings 51 is facilitated. During the assembly of the seal assembly 5, the second seal ring 51 and the connection ring 52 may be spaced at one time inside the second connection portion 12 to finally constitute the complete seal assembly 5.

In one embodiment, as shown in fig. 1, the outer side of the connection ring 52 is provided with a raised rib 521, and the rib 521 is tightly fitted with the inner wall of the second connection portion 12. So arranged, the seal assembly 5 can be more tightly connected to the second connection portion 12.

In one embodiment, the first connecting portion 11 and the second connecting portion 12 are connected in an L shape, so that the right-angle steering of the internal fluid can be realized, and the structure is simple. However, the first connecting portion 11 and the second connecting portion 12 may be connected to each other in other shapes, such as a straight line shape, an obtuse angle shape, or an acute angle shape, which is not limited in this application.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. A pipe connecting device, comprising:

the connecting 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), an anti-falling bulge (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 through the second connecting part (12) from the other end of the second connecting part (12);

a first assembly part (2) which is detachably connected to one end, away from the first connecting part (11), of the second connecting part (12); and

the second assembly part (3) is arranged in the first assembly part (2), and the second assembly part (3) is detachably connected with the male connector (6) to fix the male connector (6).

2. A tube connection according to claim 1, characterized in that the first fitting part (2) is provided with a fitting portion (21), by means of which fitting portion (21) the first fitting part (2) is snap-connected with the second connection portion (12).

3. The pipe connecting device according to claim 2, wherein the assembling portion (21) is provided with a tenon (211), the second connecting portion (12) is correspondingly provided with a clamping hole (121), and the assembling portion (21) is clamped and connected with the second connecting portion (12) through the matching of the tenon (211) and the clamping hole (121); or,

second connecting portion (12) are equipped with trip (211), assembly portion (21) correspondence is provided with joint hole (121), second connecting portion (12) pass through trip (211) with the cooperation realization in joint hole (121) with the joint of assembly portion (21) is connected.

4. A pipe connecting device according to claim 3, wherein the assembling 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 snap fit with the latch hole (121) through the tenon (212).

5. A pipe connecting device according to claim 1, wherein the first fitting member (2) is provided with a fitting cavity (22) penetrating both ends, a side wall of the first fitting member (2) is provided with a fitting opening (221), the fitting opening (221) communicates with the fitting cavity (22), and the second fitting member (3) is fitted into the fitting cavity (22) through the fitting opening (221).

6. A pipe connecting device according to claim 5, characterized in that a first limiting protrusion (222) is arranged in the assembling cavity (22), a second limiting protrusion (31) is correspondingly arranged on the second assembling part (3), and the second limiting protrusion (31) stops at the first limiting protrusion (222) to enable the second assembling part (3) to be clamped with the first assembling part (2).

7. A pipe connecting device according to claim 6, wherein the second assembly member (3) is provided with a through hole (32) for the male connector (6) to pass through, the inner wall of the through hole (32) is provided with a clamping portion (321) in a protruding manner, the 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).

8. A pipe connecting device according to claim 7, wherein the second assembly member (3) comprises a main body portion (33) and an elastic portion (34), the through hole (32) penetrates through the main body portion (33) to make the main body portion (33) in a ring shape, the elastic portion (34) is arranged outside the main body portion (33), the clamping portion (321) is arranged inside the main body portion (33), the main body portion (33) is arranged in the assembly cavity (22) and at least partially exposed out of the assembly opening (221), one end of the elastic portion (34) is connected with the main body portion (33), and the other end of the elastic portion abuts against the inner wall of the assembly cavity (22) far away from the assembly opening (221); the main body part (33) can press the elastic part (34) towards the direction far away from the assembling opening (221) so that the clamping part (321) of the second assembling part (3) is separated from the clamping groove (61) of the male connector (6).

9. The pipe connecting device according to claim 8, wherein the elastic portion (34) comprises a pair of elastic pieces (341), one end of each elastic piece (341) is connected with the main body portion (33), the other end of each elastic piece abuts 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.

10. A pipe connecting device according to claim 9, wherein a pair of said elastic pieces (341) extend in directions approaching or departing from each other, respectively, and an angle between a pair of said elastic pieces (341) and an inner wall of said fitting chamber (22) is equal.

11. A pipe connecting device according to claim 8, wherein an end of the main body portion (33) exposed to the fitting opening (221) is provided with an uneven surface.

12. A pipe connecting device according to claim 8, wherein 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 abuts against the inner wall of the assembling cavity (22).

13. A pipe connecting device according to claim 1, wherein the anti-slip projection (111) has a barb-like cross-section.

14. A pipe connecting device according to claim 13, wherein the retaining protrusion (111) is annular, and at least one ring of the retaining protrusion (111) is provided outside the first connecting portion (11).

15. A tubular connection according to claim 1, characterized in that the first connection (11) is externally sleeved with a first sealing ring (4).

16. A pipe connecting device according to claim 15, characterized in that 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 provided in the limiting groove (112).

17. The pipe connecting device according to claim 1, wherein a sealing boss (122) is provided on an inner wall of the second connecting portion (12), a sealing component (5) for sleeving the male connector (6) is installed at the sealing boss (122), and one end of the first assembly member (2) abuts against the sealing component (5) so that the other end of the sealing component (5) abuts against the sealing boss (122).

18. A tubular connecting device according to claim 17, 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).

19. A pipe connection according to claim 18, c h a r a c t e r i z e d in that the outer side of the connection ring (52) is provided with raised ribs (521), which ribs (521) are a tight fit with the inner wall of the second connection part (12).

20. A pipe connection according to claim 1, c h a r a c t e r i z e d in that the first connection portion (11) and the second connection portion (12) are L-shaped connected.