CN210739627U - Copper pipe connection joint - Google Patents
Copper pipe connection joint Download PDFInfo
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- CN210739627U CN210739627U CN201921671018.9U CN201921671018U CN210739627U CN 210739627 U CN210739627 U CN 210739627U CN 201921671018 U CN201921671018 U CN 201921671018U CN 210739627 U CN210739627 U CN 210739627U
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Abstract
The utility model discloses a copper pipe connection joint, which relates to the technical field of copper pipe connection and comprises a first connecting piece, wherein a first through hole is arranged at the central axis of the first connecting piece, and a first contact surface with an outward opening and gradually increased inner diameter is arranged at the first end of the first through hole; the sealing element is an elastomer and is detachably arranged in the inner cavity of the first contact surface; the second connecting piece comprises an intermediate end face, the second connecting piece is detachably mounted on the first connecting piece, the intermediate end face is in compression contact with the first end face of the sealing piece, and the sealing piece is in sealing connection with the first through hole and the connected copper pipe respectively. The utility model discloses not only need not carry out special technology to copper union end and handle, do not need special joint manufacturing tool, still have simple structure, the low and sealing connection of the joint connection technology degree of difficulty is reliable, the efficient advantage of copper pipe way maintenance.
Description
Technical Field
The utility model relates to a copper union coupling technical field especially relates to a copper union coupling connects.
Background
Piping systems are used to facilitate the flow of fluids. The types of materials for the piping may include, for example, copper, stainless steel, CPVC (chlorinated polyvinyl chloride), PEX (cross-linked polyethylene), and the like. In order to adapt to different working conditions, pipelines generally comprise various pipe fittings, pipelines and accessories thereof, and pipe joints are a very important type of pipe fittings.
Because the mechanical property, the bending property and the corrosion resistance of the copper pipes are outstanding, the maintenance is convenient, the copper pipes are widely applied in the air-conditioning and refrigeration fields, the existing connecting joints among the copper pipes mostly adopt the structure shown in figure 1, firstly, the copper pipes 1 adopt the processing technology of a bell mouth, and then the copper pipes are matched with the specially-made copper nano-tubes 2 with female threads to be connected with the condensation pressure regulating valve 3 or the male threads of other connecting pieces, so as to achieve the purpose of sealing; as shown in fig. 2, the side of the condensation pressure regulating valve 3 connected to the copper pipe 1 and the inner side of the copper container 3 are both required to be specially made into mutually matched bell mouths, and the bell mouth of the copper pipe 1 and the bell mouth of the condensation pressure regulating valve 3 are tightly pressed through the threaded connection between the copper container 2 and the condensation pressure regulating valve 3, so as to achieve the purpose of sealing. The existing copper pipe connection scheme has the following disadvantages: the connection between the copper pipe fittings is hard connection between metals, and if the copper pipe fittings are careless, threads are not screwed in place forcibly, so that the leakage risk exists; if certain impurities are attached to the surface of the copper pipe, the sealing is affected irreparably; a special tool is needed for manufacturing a single bell mouth for the copper pipe, and certain working hours are consumed; in the maintenance process, if need take out copper son 2 alone, need cut off the horn mouth of copper pipe 1 earlier, need again open the horn mouth to copper pipe 1 again before the follow-up assembly process, lead to the maintenance very troublesome.
Therefore, those skilled in the art are dedicated to develop a copper pipe connection joint, which has the advantages of simple structure, no need of special joint manufacturing tools, low difficulty of joint connection process, high installation efficiency and reliable sealing connection.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that current copper union coupling connects, the structure is complicated, needs special joint preparation instrument, and the articulate technology degree of difficulty is high, the installation effectiveness is low and sealing connection is unreliable.
In order to achieve the above object, the utility model provides a copper union joint, include: the first connecting piece is provided with a first through hole at the central axis, and a first contact surface with an outward opening and gradually increased inner diameter is arranged at the first end of the first through hole; the sealing element is an elastomer and is detachably arranged in the inner cavity of the first contact surface; the second connecting piece comprises an intermediate end face, the second connecting piece is detachably mounted on the first connecting piece, the intermediate end face is in compression contact with the first end face of the sealing piece, and the sealing piece is in sealing connection with the first through hole and the connected copper pipe respectively.
Further, the outer peripheral surface of the sealing element is provided with a second contact surface matched with the first contact surface.
Further, the first contact surface is a conical surface, the bottom surface of the first contact surface is arranged at the first end surface of the first connecting piece, and the second contact surface is a conical surface matched with the first contact surface.
Further, a second through hole is formed in the central axis of the sealing element, and the first end face of the sealing element is perpendicular to the central axis of the sealing element.
Furthermore, a third through hole and a fourth through hole are sequentially arranged on the central axis of the second connecting piece, the inner diameter of the third through hole is larger than that of the fourth through hole, and the middle end face is arranged at the joint of the third through hole and the fourth through hole.
Furthermore, the connected copper pipe sequentially penetrates through the fourth through hole, the third through hole and the second through hole, and the diameter of the fourth through hole is larger than the outer diameter of the connected copper pipe.
The connecting structure further comprises a first connecting thread and a second connecting thread, the first connecting thread is arranged on the outer peripheral surface of the first connecting piece, the second connecting thread is arranged on the third through hole, and the first connecting thread and the second connecting thread form threaded connection.
Preferably, the material of the sealing element is rubber.
Preferably, the first connection thread is a fine thread.
Further, the outer peripheral surface of the second connecting piece is polygonal.
Compared with the prior art, through the utility model discloses an implement, reached following obvious technological effect:
1. the utility model discloses a copper union coupling does not need to carry out special technology to copper union coupling end and handles, does not need special joint manufacturing tool, has simple structure, and the low and reliable advantage of sealing connection of the joint connection technology degree of difficulty.
2. The utility model discloses a copper union coupling adopts the elastomer material who has special shape as the sealing member for when connecting the fastening, allow the screw thread to screw up the angle displacement and have certain error, reduced the leakage risk, improved sealed reliability.
3. The utility model discloses a copper union coupling connects in the maintenance process, does not need to carry out complicated repair processes to the coupling, has improved copper pipe way's maintenance efficiency.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is an exploded view of an assembly of one embodiment of the prior art;
FIG. 2 is a schematic view of a split structure of an embodiment of the prior art;
fig. 3 is an exploded view of a preferred embodiment of the present invention;
fig. 4 is a schematic view of a split structure according to a preferred embodiment of the present invention;
fig. 5 is a schematic view of a split structure of a first connecting member according to a preferred embodiment of the present invention;
FIG. 6 is an axial view of a seal according to a preferred embodiment of the present invention;
FIG. 7 is an axial view of a second connector in accordance with a preferred embodiment of the present invention;
fig. 8 is a schematic view of a split structure according to another preferred embodiment of the present invention.
Wherein: 1-copper pipe, 2-copper nano tube, 3-condensation pressure regulating valve, 4-first connecting piece, 41-first connecting thread, 42-first contact surface, 43-first through hole, 5-sealing piece, 51-second contact surface, 52-first end surface of sealing piece, 53-second through hole, 6-second connecting piece, 61-middle end surface, 62-second connecting thread, 63-fourth through hole, 7-pipe fitting, 81-base and 82-oscillating bar.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
In the description of the embodiments of the present application, it should be clear that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the described devices or elements must have specific orientations or positional relationships, i.e., cannot be construed as limiting the embodiments of the present application; furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to facilitate description or to simplify description, and do not indicate or imply importance.
Example 1:
the utility model provides a copper pipe connection connects, as shown in figure 3 and figure 4, include: the central axis of the first connecting piece 4 is provided with a first through hole 43; a sealing member 5, the sealing member 5 being an elastomer, preferably rubber in this embodiment, the sealing member 5 being detachably mounted in the first through hole 43; the second connecting piece 6 comprises an intermediate end surface 61, the second connecting piece 6 is detachably mounted on the first connecting piece 4, the intermediate end surface 61 is in pressing contact with the first end surface 52 of the sealing element, the first connecting piece 4 and the second connecting piece 6 are made of copper, and the first connecting piece 4 and the second connecting piece 6 are preferably made of brass.
As shown in fig. 5, a first end of the first through hole 43 is provided with a first contact surface 42, the first contact surface 42 is a conical surface, a bottom surface diameter of the first contact surface 42 is larger than a top surface diameter of the first contact surface 42, a bottom surface of the first contact surface 42 is provided at the first end surface of the first connecting member 4, a first connecting thread 41 is provided on an outer circumferential surface of the first connecting member 4, and the first connecting thread 41 is a male thread.
As shown in fig. 6, the outer peripheral surface of the sealing member 5 is provided with a second contact surface 51 matching with the first contact surface 42, the second contact surface 51 is a conical surface matching with the taper of the first contact surface 42, a second through hole 53 is provided at the central axis of the sealing member 5, the first end surface 52 of the sealing member is perpendicular to the central axis of the sealing member 5, and the second through hole 53 is in interference fit or transition fit with the connected copper pipe 1.
As shown in fig. 7, a third through hole and a fourth through hole 63 are sequentially arranged at the central axis of the second connecting member 6, the inner diameter of the third through hole is larger than that of the fourth through hole 63, the middle end surface 61 is arranged at the joint of the third through hole and the fourth through hole 63, the middle end surface 61 is perpendicular to the central axis of the second connecting member 6, a second connecting thread 62 is arranged on the inner wall of the third through hole, the second connecting thread 62 is a female thread, and the first connecting thread 41 and the second connecting thread 62 form a threaded connection; the fourth through hole 63 is in clearance fit with the connected copper pipe 1, and the outer circumferential surface of the second connecting member 6 is provided with a polygon which is convenient for rotating the second connecting member 6, and the embodiment is preferably hexagonal.
When the copper pipe connecting joint of the present embodiment connects the pipe fitting 7 and the copper pipe 1, the second end of the first through hole 43 is fixedly and hermetically installed on the pipe fitting 7, the copper pipe 1 sequentially passes through the fourth through hole 63, the third through hole and the second through hole 53, and in the process that the second connecting thread 62 is contacted with the first connecting thread 41 and then gradually screwed, the middle end surface 61 and the first end surface 52 of the sealing member gradually contact with each other from the near side to the contact side and finally press each other until the second connecting thread 62 is screwed with the first connecting thread 41. When the second connecting piece 6 is screwed gradually, the middle end surface 61 presses the sealing piece 5 gradually by pressing the first end surface 52 of the sealing piece, due to the conical design of the second contact surface 51 and the first contact surface 42, the second contact surface 51 is in pressing contact with and seals the first contact surface 42, the second through hole 53 is in pressing contact with and seals the copper pipe 1, and after the second connecting piece 6 is fixed with the first connecting piece 4 through threaded connection, the sealing piece 5 forms stable sealing connection with the copper pipe 1 and the first through hole 43 respectively.
The pipe 7 is a condensation pressure regulating valve 3 or other pipe elements with fixedly connectable ports to which the copper pipe 1 needs to be connected, and the pipe 7 is the condensation pressure regulating valve 3 in this embodiment.
Example 2:
on the basis of embodiment 1, first connecting thread 41 adopts fine thread, and the terminal surface edges and corners of the connecting end of copper pipe 1 are provided with the fillet to avoid being scratched by copper pipe 1 when sealing member 5 is installed, sealing member 5's material is silica gel.
Example 3:
on the basis of embodiment 1, the threaded connection formed by the first connecting thread 41 and the second connecting thread 62 is replaced by an eccentric slider connection, as shown in fig. 8, a base 81 extending in the radial direction is arranged on the periphery of the second connecting piece 6, one end of the oscillating rod 82 and the base 81 form a rotating pair, a semicircular protrusion is arranged on the oscillating rod 82, and a groove matched with the semicircular protrusion on the oscillating rod 82 is arranged on the periphery of the first connecting piece 4; when the semicircular projection on the rocker 82 snaps into a matching groove on the outer circumference of the first connecting part 4, the second connecting part 6 moves towards the first connecting part 4 and compresses the sealing element 5.
Example 4:
on the basis of the embodiment 1, the pipe fitting 7 is the first connecting piece 4 of the other copper pipe connecting joint, so that the butt joint of two sections of copper pipes is realized.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A copper tubing coupling comprising:
the first connecting piece is provided with a first through hole at the central axis, and a first contact surface with an outward opening and gradually increased inner diameter is arranged at the first end of the first through hole;
the sealing element is an elastomer and is detachably arranged in the inner cavity of the first contact surface;
the second connecting piece comprises an intermediate end face, the second connecting piece is detachably mounted on the first connecting piece, the intermediate end face is in compression contact with the first end face of the sealing piece, and the sealing piece is in sealing connection with the first through hole and the connected copper pipe respectively.
2. A copper tubing connection joint as defined in claim 1, wherein said sealing member has a second contact surface on its outer peripheral surface which mates with said first contact surface.
3. A copper tubing connection joint as defined in claim 2, wherein said first contact surface is a conical surface, the bottom surface of said first contact surface being disposed at said first end surface of said first connection member, and said second contact surface being a conical surface mating with said first contact surface.
4. A copper tubing connection joint as defined in claim 3, wherein said seal member has a second through hole disposed at a central axis thereof, said seal member first end surface being perpendicular to said seal member central axis.
5. A copper pipe connection joint as claimed in claim 4, wherein a third through hole and a fourth through hole are sequentially provided at the central axis of said second connection member, the inner diameter of said third through hole is larger than the inner diameter of said fourth through hole, and said intermediate end surface is provided at the connection of said third through hole and said fourth through hole.
6. A copper tubing connection fitting as claimed in claim 5 wherein said copper tubing being connected passes through said fourth through hole, said third through hole and said second through hole in sequence, said fourth through hole having a diameter greater than the outer diameter of said copper tubing being connected.
7. A copper pipe connection fitting as claimed in claim 6, further comprising a first connection thread provided on an outer peripheral surface of said first connection member and a second connection thread provided on said third through hole, said first connection thread and said second connection thread constituting a threaded connection.
8. A copper tubing connection as claimed in any one of claims 1 to 7, wherein said sealing member is formed of rubber.
9. A copper tubing connection fitting as claimed in claim 7 wherein said first connection thread is a fine pitch thread.
10. A copper tubing connection joint as defined in claim 9, wherein said second connecting member has a polygonal outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921671018.9U CN210739627U (en) | 2019-10-08 | 2019-10-08 | Copper pipe connection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921671018.9U CN210739627U (en) | 2019-10-08 | 2019-10-08 | Copper pipe connection joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739627U true CN210739627U (en) | 2020-06-12 |
Family
ID=70987871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921671018.9U Active CN210739627U (en) | 2019-10-08 | 2019-10-08 | Copper pipe connection joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739627U (en) |
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2019
- 2019-10-08 CN CN201921671018.9U patent/CN210739627U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 239000, No. 402, Huzhou Road, Suchu modern industrial park, Chuzhou City, Anhui Province Patentee after: Chuangli electric appliance (Chuzhou) Co.,Ltd. Address before: 239000 Anhui Province Chuzhou Suchu Modern Industrial Park Huzhou Road West Dayu Waterproof South of the first stop in the area north of Suchu Patentee before: CHUANGLI ELECTRIC (CHUZHOU) Co.,Ltd. |
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| CP03 | Change of name, title or address |