阅读说明：本技术 一种用于管道连接的管接头 (Pipe joint for pipeline connection ) 是由 董浩南 于 2020-12-07 设计创作，主要内容包括：本发明涉及管接头领域,且公开了一种用于管道连接的管接头,包括弹性管道、内部管道、外部管道、密封装置和弹性结构,内部管道固定连接在外部管道的外部,弹性结构有多个,且多个弹性结构固定连接在内部管道和外部管道之间,多个弹性结构圆周均匀分布在内部管道外壁上,密封装置具有两个,两个密封装置分别连接在外部管道的两端部,管道连接在管接头的两端,管道分别安装在弹性管道的两端部,管道迫使弹性管道整体内径变大,挤压弹性结构,管道连接完成后,弹性管道内径尺寸和所连接管道内径尺寸一样,密封装置用于密封和固定连接处；使管接头内径变化来适应不同规格的待连接管道,极大的方便了人们。(The invention relates to the field of pipe joints and discloses a pipe joint for connecting pipelines, which comprises an elastic pipeline, an inner pipeline, an outer pipeline, a plurality of sealing devices and elastic structures, wherein the inner pipeline is fixedly connected to the outside of the outer pipeline; the inner diameter of the pipe joint is changed to adapt to pipelines to be connected with different specifications, thereby bringing great convenience to people.)

1. A pipe joint for pipe connection, characterized in that: comprises an elastic pipeline (1), an inner pipeline (2), an outer pipeline (3), a sealing device (4) and an elastic structure (5);

the inner pipeline (2) and the outer pipeline (3) are made of hard materials;

the inner pipeline (2) is fixedly connected to the outside of the outer pipeline (3);

the number of the elastic structures (5) is multiple, the elastic structures (5) are fixedly connected between the inner pipeline (2) and the outer pipeline (3), and the circumferences of the elastic structures (5) are uniformly distributed on the outer wall of the inner pipeline (2);

the two sealing devices (4) are respectively connected to two ends of the external pipeline (3);

the outer diameter of the pipeline to be connected is larger than the inner diameter of the end part of the elastic pipeline (1);

the pipeline is connected at the both ends of coupling, and the both ends at elasticity pipeline (1) are installed respectively to the pipeline, and the pipeline forces the whole internal diameter grow of elasticity pipeline (1), and internal pipe way (2) radially outwards move, extrudees elastic construction (5), and the back is accomplished in the pipe connection, and elasticity pipeline (1) internal diameter size is the same with the pipeline internal diameter size that connects, and sealing device (4) are used for sealed and fixed connection department.

2. A pipe joint for pipe connection according to claim 1, wherein: elastic conduit (1) includes first pipeline (11) and two second pipelines (12), two second pipelines (12) are fixed connection respectively at the both ends of first pipeline (11), the internal diameter size of second pipeline (12) is greater than the external diameter size of first pipeline (11), the difference of the internal diameter size of second pipeline (12) and the internal diameter size of first pipeline (11) is the wall thickness of waiting to install the pipeline, when pipeline and coupling cooperation installation, the pipeline is installed in second pipeline (12), and pipeline internal diameter size is the same with first pipeline (11) internal diameter size.

3. A pipe joint for pipe connection according to claim 1, wherein: internal pipe (2) include a plurality of connecting blocks (21), supporting shoe (21) are the circular arc shape, a plurality of connecting blocks (21) fixed connection are at elastic pipeline (1) outer wall, a plurality of connecting blocks (21) evenly distributed are at elastic pipeline (1) outer wall, and the inner wall structural shape of connecting block (21) and the structural shape phase-match of elastic pipeline (1), two adjacent connecting blocks (21) do not contact each other, the both sides end at connecting block (21) both ends all is provided with rubber block (22), the one end of keeping away from connecting block (21) side of rubber block (22) is provided with first inclined plane (211).

4. A pipe joint for pipe connection according to claim 3, wherein: the sealing device (4) comprises a plurality of sealing structures, the number of the sealing structures is the same as that of the connecting blocks (21), the sealing structures are uniformly distributed on the inner wall of the external pipeline (3), each sealing structure comprises a screw (41) and a sealing block (42), a plurality of through holes are formed in the side walls of two end parts of the external pipeline (3), each through hole is provided with a thread, the screws (41) are installed in the through holes, the sealing blocks (42) are located inside the external pipeline (3), one ends, close to the inner wall of the external pipeline (3), of the sealing blocks (42) are fixedly connected with the screws (41), each sealing block (42) comprises a first sealing block (421) and a second sealing block (422), the first sealing block (421) is fixedly connected with the second sealing block (422), the second sealing block (422) is far away from the external pipeline (3), when the sealing blocks (42) seal the pipelines, the sealing blocks (42) extrude the elastic pipeline (1) and the internal, and second inclined planes (4221) are arranged at two ends of the second sealing block (422), and the inclination of the second inclined planes (4221) is the same as that of the first inclined planes (221).

5. A pipe joint for pipe connection according to claim 1, wherein: the elastic structure (5) comprises a spring (51) and a telescopic rod (52), the telescopic rod (52) is located inside the spring (51), the spring (51) is fixedly connected between the inner pipeline (1) and the outer pipeline (3), and the telescopic rod (52) is fixedly connected between the inner pipeline (2) and the outer pipeline (3).

6. A pipe joint for pipe connection according to claim 1, wherein: the elastic pipeline (1) is made of rubber.

7. A pipe joint for pipe connection according to claim 1, wherein: the inner pipeline (2) and the outer pipeline (3) are both made of plastics.

Technical Field

The invention relates to the field of pipe joints, in particular to a pipe joint for pipeline connection.

Background

The pipe joint is a structure for connecting two pipelines together, but when a fixed pipeline is damaged, the fixed pipeline needs to be separated and connected through the pipe joint for continuous use, the radius of the conventional pipe joint is difficult to change, the pipe joint with the same pipe diameter can be used generally, but the pipe joint with the same inner diameter is time-consuming to find, the pipe joint with the same inner diameter is difficult to find at home, and the pipe joint needs to go to a shop to buy and is troublesome, or the pipe joint is larger, a sealing adhesive tape is wound outside the pipeline, and the pipe joint is installed.

Disclosure of Invention

The invention provides a pipe joint for connecting pipelines, which can solve the technical problem.

The invention provides the following technical scheme: a pipe joint for connecting pipelines comprises an elastic pipeline, an inner pipeline, an outer pipeline, a plurality of sealing devices and elastic structures, wherein the inner pipeline and the outer pipeline are made of hard materials, the inner pipeline is fixedly connected to the outside of the outer pipeline, the elastic structures are arranged in a plurality of numbers, the elastic structures are fixedly connected between the inner pipeline and the outer pipeline, the circumferences of the elastic structures are uniformly distributed on the outer wall of the inner pipeline, the two sealing devices are respectively connected to the two end parts of the outer pipeline, the outer diameter size of the pipeline to be connected is larger than the inner diameter size of the end part of the elastic pipeline, the pipelines are connected to the two ends of the pipe joint and are respectively arranged at the two end parts of the elastic pipeline, the inner diameter of the elastic pipeline is forced to be increased by the pipelines, the inner pipeline moves outwards in the radial direction, the elastic structures are extruded, and after the, the sealing device is used for sealing and fixing the connection part.

Furthermore, the elastic pipeline comprises a first pipeline and two second pipelines, the two second pipelines are respectively and fixedly connected to two ends of the first pipeline, the inner diameter of the second pipeline is larger than the outer diameter of the first pipeline, the difference between the inner diameter of the second pipeline and the inner diameter of the first pipeline is that the pipeline thickness pipeline of the pipeline to be installed is matched with the pipe joint, the pipeline is installed in the second pipeline, and the inner diameter of the pipeline is the same as the inner diameter of the first pipeline.

Further, the inner pipeline includes a plurality of connecting blocks, the supporting shoe is arc shape, a plurality of connecting block fixed connection are at the elastic pipeline outer wall, a plurality of connecting block evenly distributed are at the elastic pipeline outer wall, and the inner wall structural shape of connecting block and the structural shape phase-match of elastic pipeline, two adjacent connecting blocks are not contact with each other, the both sides end at connecting block both ends all is provided with the rubber block, the one end of keeping away from the connecting block side of rubber block is provided with first inclined plane.

Further, sealing device includes a plurality of seal structure, seal structure's quantity is the same than the quantity of connecting block, a plurality of seal structure evenly distributed are on outside pipeline inner wall, seal structure includes screw and sealed piece, a plurality of through-holes have been seted up on the lateral wall of outside pipeline both ends, and the through-hole has the screw thread, the mounting of screw is in the through-hole, sealed piece is located inside the outside pipeline, the one end and the screw fixed connection that sealed piece is close to outside pipeline inner wall, sealed piece includes first sealed piece and the sealed piece of second, first sealed piece and the sealed piece fixed connection of second, outside pipeline is kept away from to the sealed piece of second, when sealed piece sealed pipeline, sealed piece extrusion elasticity pipeline and inside pipeline, second sealed piece both ends are provided with the second inclined plane, the second inclined plane is the same with first inclined plane inclination.

Further, elastic construction includes spring and telescopic link, and the telescopic link is located inside the spring, and spring fixed connection is between inside pipeline and outside pipeline, and telescopic link fixed connection is between inside pipeline and outside pipeline.

Further, the elastic tube is made of rubber.

Furthermore, the inner pipe and the outer pipe are both made of plastics.

The connecting block is

The invention has the following beneficial effects:

1. the invention provides a new technical idea that the inner diameter of a pipe joint is changed according to the outer diameter of a pipeline, so that the pipe joint is arranged on the pipeline to connect two pipelines.

2. According to the invention, the inner pipeline is arranged on the outer wall of the elastic pipeline and consists of a plurality of connecting blocks, the connecting blocks are made of hard materials, when the pipeline is arranged in the second pipeline of the elastic pipeline, the second pipeline can be expanded to force the connecting blocks to move towards the outer pipeline, the connecting blocks and the first pipeline are also fixedly connected, so that the inner diameter of the first pipeline is increased, after the pipeline is arranged, the inner diameter of the pipeline is as large as the inner diameter of the first pipeline, the pipeline is arranged by using the elastic pipeline, the inner diameter of the elastic pipeline can be adjusted according to different pipelines, and the installation is convenient.

3. The invention is provided with an elastic structure, an external pipeline and an internal pipeline are connected together, and the arrangement of the telescopic rod in the elastic structure is used for ensuring that the arc-shaped pipeline moves along the radial direction and ensuring that the radial direction of the elastic pipeline is uniformly expanded.

4. The invention is provided with the sealing structure, and the connecting block and the second pipeline are extruded by the sealing structure, so that the sealing and the fixing of the joint of the pipeline and the pipe joint are ensured, and the leakage and the looseness are prevented.

5. The invention has simple structure and lower cost, and can be disassembled for reuse.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the inner tube and flexible tube construction of the present invention;

FIG. 4 is a schematic view of the sealing device of the present invention;

FIG. 5 is a schematic view of the structure of the flexible conduit of the present invention;

fig. 6 is a schematic view of the internal piping structure of the present invention.

The reference numbers in the figures illustrate:

1. an elastic conduit; 11. a first conduit; 12. a second conduit; 2. an inner conduit; 21. connecting blocks; 22. a rubber block; 221. a first inclined plane; 3. an external pipe; 4. a sealing device; 41. a screw; 42. a sealing block; 421. a first seal block; 422. a second seal block; 4221. a second inclined plane; 5. an elastic structure; 51. a spring; 52. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a pipe joint for pipe connection, which includes a pipe joint for pipe connection, including an elastic pipe 1, an inner pipe 2, an outer pipe 3, a sealing device 4 and elastic structures 5, wherein the inner pipe 2 and the outer pipe 3 are made of hard materials, the inner pipe 2 is fixedly connected to the outside of the outer pipe 3, the elastic structures 5 are provided in plurality, and the elastic structures 5 are fixedly connected between the inner pipe 2 and the outer pipe 3, the elastic structures 5 are circumferentially and uniformly distributed on the outer wall of the inner pipe 2, the sealing device 4 is provided in two, the two sealing devices 4 are respectively connected to two ends of the outer pipe 3, the outer diameter of the pipe to be connected is larger than the inner diameter of the end of the elastic pipe 1, the pipes are connected to two ends of the pipe joint, the pipes are respectively installed at two ends of the elastic pipe 1, and the pipe forces the inner diameter of the elastic pipe, the inner pipe 2 moves outwards along the radial direction to extrude the elastic structure 5, after the pipe connection is completed, the inner diameter of the elastic pipe 1 is the same as that of the connected pipe, and the sealing device 4 is used for sealing and fixing the connection position.

Elastic conduit 1 includes first pipeline 11 and two second pipelines 12, two second pipelines 12 are fixed connection respectively at the both ends of first pipeline 11, the internal diameter size of second pipeline 12 is greater than the external diameter size of first pipeline 11, when pipeline and coupling cooperation installation, the pipeline is installed in second pipeline 12, and pipeline internal diameter size is the same with 11 internal diameter sizes of first pipeline, the coupling installation back, guarantee that its internal diameter size is unanimous with the internal diameter size of pipeline, do not influence the flow rate of the inside water of pipeline.

Inside pipe 2 includes a plurality of connecting blocks 21, supporting shoe 21 is the arc shape, a plurality of connecting blocks 21 fixed connection are at 1 outer wall of elastic pipeline, a plurality of connecting blocks 21 evenly distributed is at 1 outer wall of elastic pipeline, and the inner wall structural shape of connecting block 21 and elastic pipeline 1's structural shape phase-match, two adjacent connecting blocks 21 do not contact each other, the both sides end at connecting block 21 both ends all is provided with block rubber 22, the one end of keeping away from connecting block 21 side of block rubber 22 is provided with first inclined plane 221, block rubber 22 and sealing device 4 cooperation, joint department seals, can extrude block rubber 22 when sealing device 4 radial movement, extrude block rubber 22's upper end and side, thereby increase the pressure of block rubber 22 department, seal.

The junction of first pipeline 11 and second pipeline 12 is provided with the plane, and the difference of the internal diameter size of second pipeline 12 and the internal diameter size of first pipeline 11 is the pipe wall thickness of waiting to install the pipeline, and after the pipeline installation, the internal diameter size of pipeline is the same with the internal diameter size of first pipeline 11, guarantees that the pipe diameter is unchangeable after the installation coupling.

The sealing device 4 comprises a plurality of sealing structures, the number of the sealing structures is the same as that of the connecting blocks 21, the plurality of sealing structures are uniformly distributed on the inner wall of the external pipeline 3, each sealing structure comprises a screw 41 and a sealing block 42, a plurality of through holes are formed in the side walls of the two end parts of the external pipeline 3, each through hole is provided with a thread, each screw 41 is installed in each through hole, each sealing block 42 is positioned inside the external pipeline 3, one end, close to the inner wall of the external pipeline 3, of each sealing block 42 is fixedly connected with each screw 41, each sealing block 42 comprises a first sealing block 421 and a second sealing block 422, each first sealing block 421 is fixedly connected with each second sealing block 422, each second sealing block 422 is far away from the external pipeline 3, when each sealing block 42 seals the pipeline, each sealing block 42 extrudes the elastic pipeline 1 and the internal pipeline 2, the two ends of each second sealing block 422 are provided with second inclined planes 4221, the second inclined planes 4221 have the, the circumference size of first seal block 421 is greater than first seal block circumference size, and after the pipeline installation, the circumference size between the rubber block 22 on two adjacent connecting blocks 21 is greater than the circumference size that first seal block 421 both ends and connecting block 21 contact first seal block 421, second seal block 422's circumference size, second seal block 22 extrudees rubber block 22 to both sides through the inclined plane and then laminates with second pipeline 12 outer wall, because the extrusion of rubber block 22 second seal block 422, the thickness of rubber block 22 increases, receive the extrusion of first seal block 421 again (be the extrusion of second inclined plane 4221 to first inclined plane 221), thereby make rubber block 22 and second pipeline 12 laminate, reach sealed effect.

The elastic structure 5 comprises a spring 51 and a telescopic rod 52, wherein the telescopic rod 52 is positioned inside the spring 51, the spring 51 is fixedly connected between the inner pipeline 2 and the outer pipeline 3, the telescopic rod 52 is fixedly connected between the inner pipeline 1 and the outer pipeline 3, the telescopic rod 52 is used for ensuring the arc-shaped pipeline 21 to move along the radial direction and ensuring the uniform radial expansion of the elastic pipeline, the spring 51 is arranged for giving supporting force to the inner pipeline 2, and the spring 51 is already in a compressed state before the pipe joint is installed with the pipeline.

The elastic pipeline 1 is made of rubber, the cost is low, the rubber elasticity is good, the inner pipeline 2 and the outer pipeline 3 are made of plastic, and the plastic cost is low.

Use elastic conduit 1, and elastic conduit 1 is the rubber preparation, and rubber elasticity is good, and the internal diameter through elastic conduit 1 can change the pipeline that adapts to different external diameters, couples together two cracked pipelines, through sealing device 4 sealed with fixed, makes firm the connection on the pipeline of coupling.

The working principle is as follows: when a pipeline to be installed enters the second pipeline 12 (the outer diameter of the pipeline is larger than the inner diameter of the second pipeline 12 in an initial state), the pipeline can uniformly expand the second pipeline 12, so that the inner diameter of the second pipeline 12 is increased, the connecting block 21 moves along the contraction direction of the telescopic rod 52, the connecting block 21 can simultaneously drive the inner diameter of the first pipeline 11 to be uniformly increased, when the pipeline is installed behind the second pipeline 12, the screw 41 is screwed by a tool, the sealing block 42 is driven by the screw 41 to move radially towards the elastic pipeline 1, during the moving process, the second sealing block 422 firstly contacts the rubber block 22, the second sealing block 422 continues to move along the inclined plane on the rubber block 22, the second sealing block 422 presses the side end of the rubber block 22 until the second sealing block 422 contacts the second pipeline 12, the second sealing block 422 presses the second pipeline 12, namely the second sealing block 422 cannot move, the inner wall of the first sealing block 421 presses the connecting block 21 and the rubber block 22, thereby achieving the sealing effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.