CN109869550B

CN109869550B - Reducing two-way pipe joint

Info

Publication number: CN109869550B
Application number: CN201910192348.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Chuzhou Jianqi Electrical Accessories Co Ltd
Current assignee: Chuzhou Jianqi electrical accessories Co., Ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-12-11
Anticipated expiration: 2039-03-14
Also published as: CN109869550A

Abstract

The invention belongs to the technical field of two-way pipe joints, and particularly relates to a reducing two-way pipe joint which comprises a pipe body; a sizing interface is arranged at the left end of the pipe body; a sealing unit is arranged at the sizing interface; the right end of the pipe body is provided with a reducing interface; a reducing unit is arranged at the reducing interface; the tube body is fixedly connected with a rubber ring; the reducing unit comprises a rotating ring, a reducing plate and a telescopic rod; the side surfaces of the reducing plates, which are far away from the swivel, are fixedly connected with rubber blocks; a rubber membrane is arranged in the rubber ring; the sealing unit comprises a swinging rod, an air bag and a sealing ring; the annular cavities are internally provided with ejector rods which are uniformly distributed; the connection between pipelines with different diameters and the joint is realized through the rotation of the rotating ring, the double sealing of the rubber block and the rubber membrane is realized, the water leakage at the reducing interface is prevented, and the matching of the sealing ring and the third cavity completely seals the sizing interface.

Description

Reducing two-way pipe joint

Technical Field

The invention belongs to the technical field of two-way pipe joints, and particularly relates to a reducing two-way pipe joint.

Background

The two-way pipe joint is a part for connecting pipelines, and is a general name of a connecting piece which can be assembled and disassembled in a fluid passage, so that the two-way pipe joint is an essential part for remote pipeline transportation, is mainly used for connecting pipelines on liquid, gas and hydraulic components and prolongs the transportation distance.

Two-way pipe joint among the prior art, can't realize reducing function mostly, for realizing reducing function, prior art adopts the ring mostly, the hot melt, mode such as bonding is together fixed with pipeline and pipe joint, these locking modes lead to fixed insecure for the smooth surface because pipe joint and pipe joint department lead to, lead to droing of pipeline easily, perhaps pipe joint leads to unable realization after connecting to be sealed completely with pipe joint department unevenness, and can't carry out quick dismantlement after connecting, can cause serious damage to pipeline and joint after the dismantlement.

Disclosure of Invention

The invention provides a reducing two-way pipe joint, which aims to make up for the defects of the prior art and solve the problems that a two-way pipe joint realizes reducing without damaging a pipeline and a joint, the pipeline and the joint cannot be quickly disassembled and assembled, the sealing effect is poor after connection, and the fixing is not firm.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a reducing two-way pipe joint, which comprises a pipe body; a sizing interface is arranged at the left end of the pipe body; a sealing unit is arranged at the sizing interface; the right end of the pipe body is provided with a reducing interface; a reducing unit is arranged at the reducing interface; the rubber ring is fixedly connected in the pipe body and used for assisting the sealing of the joint; the outer part of the pipe body is sleeved with a fixing ring in a sliding manner; a first cavity and a second cavity are formed in the fixing ring; the upper surface of the pipe body is rotatably connected with a handle, and the lower end of the handle is fixedly connected with an extrusion block; the lower surface of the extrusion block is designed in an arc shape, and a first moving block is connected in the first cavity in a sliding manner; the upper end of the first moving block penetrates through the fixing ring and is rotatably connected to the surface of the extrusion block; the first moving block can move upwards by pressing the handle; the first cavity is communicated with the second cavity; a second moving block is arranged in the second cavity in a sliding manner; when the first moving block moves upwards, the second moving block can move downwards, so that the sealing unit is clamped through the downward movement of the second moving block; first guide grooves which are uniformly distributed are formed in the tube body; the first guide groove is in a U-shaped design, and two ends of the first guide groove are respectively communicated with the middle part of the pipe body and the variable-diameter joint; a sliding rod is connected in the first guide groove in a sliding manner; the sliding rod is positioned at the reducing interface and is in a T-shaped design; a sliding plate is connected in the first guide groove in a sliding manner; a limiting block is fixedly connected to the right side of the sliding plate in the first guide groove; the higher the water pressure in the pipe body is, the tighter the pipeline connected in the reducing joint is fixed, and the pipeline is prevented from being separated from the joint; during operation, in the pipeline inserts the sizing interface, slip solid fixed ring, make solid fixed ring cup joint in sealed unit, press the handle, make the extrusion piece swing, the solid fixed ring surface of extrusion, the first movable block of pulling removes, thereby make second movable block relative movement, chucking sealed unit and pipeline, effectively prevent that the pipeline from droing, realize quick installation simultaneously, when needing to dismantle, pull open the handle, slide solid fixed ring to body surface, it realizes quick dismantlement to take out the pipeline, it leads to water to connect after inserting the pipeline at the reducing kneck simultaneously, water pressure rises in the joint, promote the slide and move to the right, the slide moves on the right and makes slide bar relative movement, thereby carry out effectual fixing to the pipeline, prevent that the pipeline from breaking away from the reducing interface.

Preferably, the reducing unit comprises a swivel, a reducing plate and a telescopic rod; the surface of the pipe body is provided with a circular chute; the rotating ring slides in the sliding groove, the side walls of the two sides of the sliding groove are provided with limiting sliding grooves, the two sides of the rotating ring are provided with limiting clamping blocks, and the limiting clamping blocks slide in the limiting sliding grooves, so that the rotating ring can rotate, and the strength of the pipe body is improved; the variable-diameter plates are fixedly connected in the rotating ring through uniformly arranged telescopic rods; the reducing plates and the telescopic rods are arranged in a one-to-one correspondence manner; the arc-shaped design of the variable diameter plates ensures that the surfaces of the variable diameter plates, which are far away from the rotating ring, are encircled into a circle after the variable diameter plates are contacted with each other, and the circle center is positioned at the same position as the circle center of the rotating ring; the reducing plates are connected with each other in a sliding manner, arc-shaped sliding grooves are uniformly formed in the side walls of the two sides of each sliding groove, the arc-shaped sliding grooves correspond to the reducing plates one to one, and the reducing plates slide in the arc-shaped sliding grooves when the rotating ring rotates, so that the circular diameter defined by the side surfaces of the reducing plates, far away from one side of the rotating ring, is changed when the rotating ring rotates, and reducing is realized for pipelines with different diameters; during operation, fixed complete back of sizing interface pipeline, clockwise rotation change, the circular diameter increase that the reducing plate encloses, insert the reducing interface with the pipeline in, loosen the change, change anticlockwise rotation makes the reducing plate slide in the arc spout through the telescopic link to reduce the diameter that the reducing plate encloses into circular shape, until fixing the pipeline.

Preferably, the side faces of the reducing plates, which are far away from the swivel, are fixedly connected with rubber blocks; the rubber block is made of soft elastic rubber and is fixedly connected to the surface of the variable-diameter plate through one point in the middle; the rubber blocks are fixedly connected with each other, the rubber blocks are in a stretching state initially, when the reducing plates slide, the elasticity and the sealing performance of the rubber blocks can ensure the sealing between the lower surfaces of the reducing plates and the pipeline, so that water leakage is prevented, and meanwhile, the reducing plates can be inserted between the adjacent rubber blocks and the corresponding reducing plates, so that the rubber blocks are prevented from influencing the sliding of the reducing plates; the during operation, clockwise rotation swivel makes, and the circular diameter increase that the reducing plate encloses makes the block rubber taut, and the pipeline inserts the back, loosens the swivel, and the swivel rotates anticlockwise under the pulling force effect of block rubber, makes the block rubber hug closely the pipeline surface, because the block rubber is in taut state all the time, can effectively play sealed effect, carries out effectual fixed to the pipeline simultaneously.

Preferably, a rubber membrane is arranged in the rubber ring, and the rubber membrane is made of elastic rubber; the rubber membrane is designed in an annular shape, one end of the rubber membrane is fixedly connected into the rubber ring, and the other end of the rubber membrane penetrates into the rubber ring to be designed in a mouth tightening mode at the reducing interface; the rubber film tight opening design part is wrapped with two elastic pull ropes in a sliding mode, and the part of the rubber film right end tight opening design can be tightly attached to the surface of the pipeline by pulling the elastic pull ropes, so that sealing is achieved; one end of each elastic pull rope is fixedly connected to the left side face of the corresponding sliding plate respectively, so that the higher the water pressure in the joint is, the tighter the mouth tightening part of the rubber membrane is, and the stronger the sealing performance is; during operation, after the sizing interface and the reducing interface are inserted into the pipeline, water flows into the pipeline, the sliding plate moves to the right under the action of water pressure, the elastic pull rope is pulled, the tight opening of the rubber film is tightened, the rubber film is tightly attached to the surface of the pipeline, the rubber block is matched to play a sealing role, the pipeline is fixed, the pipeline is prevented from falling off, and water leakage of the joint is avoided.

Preferably, the sealing unit includes a swing lever, an air bag, and a sealing ring; a groove is formed in the sizing interface of the pipe body; the number of the grooves is two, and the grooves are oppositely arranged; the number of the swing rods is two, the swing rods are respectively connected in the corresponding grooves in a rotating mode, and the side faces of the opposite sides of the ends, far away from the joints, of the swing rods are fixedly connected with fixing blocks; the fixed block is made of hard rubber; air bags are arranged in the grooves; the air bag is arranged far away from the rubber ring and fixedly connected in the groove, and the air bag can be squeezed when the oscillating rod oscillates; the rubber ring is designed to be recessed at the sizing interface, and a pipeline can be inserted into the recessed position; the concave parts of the rubber rings are fixedly connected with sealing rings which are uniformly arranged; the sealing rings are made of elastic rubber, and annular cavities are formed in the sealing rings; the annular cavities are communicated with each other through the second guide groove and communicated with the air bag through the second guide groove; a third cavity is formed in the rubber ring; the third cavity is communicated with the annular cavity; during operation, solid fixed ring slides to swinging arms department, press down the handle after, second movable block relative motion, the extrusion corresponds the swinging arms, thereby make the swinging arms relative oscillation, the extrusion gasbag, make the sealing ring inflation, hug closely the pipeline surface, prevent that the pipeline from breaking away from the sizing interface through the frictional force of sealing ring when sealing up the pipeline, the inflation of third cavity simultaneously, hug closely pipeline mouth department, the cooperation sealing ring is sealed totally to the pipeline, improve the leakproofness, the swinging arms relative oscillation simultaneously, make the fixed block hug closely the pipeline outer wall, the cooperation sealing ring makes the pipeline totally stationary.

Preferably, the annular cavities are internally provided with ejector rods which are uniformly distributed; the upper end of the ejector rod is designed into a cambered surface; the surface of each ejector rod is fixedly connected with an impeller; a thread groove is formed in the inner wall of the second guide groove; the impeller is clamped in the thread groove; the upper ends of the sealing rings are all provided with cracks; the cracks are obliquely arranged and are not communicated with the annular cavity; during operation, the swinging arms extrudes the air bag, and when gas passes through the second guide groove, the impeller is driven to rotate in the threaded groove, so that the ejector rod moves upwards to support the sealing ring, the contact strength of the sealing ring and the pipeline is improved, the pipeline is effectively fixed while the sealing performance is improved, and the crack is formed in the top of the sealing ring, so that the crack is opened when the ejector rod moves upwards to form a barb and prevent the pipeline from separating from a sizing interface.

The invention has the following beneficial effects:

1. according to the reducing two-way pipe joint, the reducing unit is arranged, the pipelines with different diameters are connected with the joint through rotation of the rotating ring, water leakage at the reducing interface is prevented through double sealing of the rubber block and the rubber film, and meanwhile, the reducing interface pipelines are effectively fixed through matching of the rubber block and the moving rod, so that the pipelines are prevented from being separated from the joint.

2. According to the reducing two-way pipe joint, the sealing unit is arranged, the swinging rod swings relatively to extrude the air bag, the sealing ring is enabled to be tightly attached to the surface of a pipeline after being expanded, the pipeline is prevented from being separated from a sizing interface through the friction force of the sealing ring while being sealed, meanwhile, the third cavity is expanded, the pipeline is completely sealed through the sealing ring, the sealing performance is improved, the fixing block is tightly attached to the outer wall of the pipeline, the pipeline is completely fixed through the sealing ring, then, cracks on the top of the sealing ring are matched, when the ejector rod moves upwards, the cracks are opened to form barbs, and the pipeline is prevented from being separated from the sizing.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

in the figure: the pipe body 1, a sizing interface 11, a reducing interface 12, a rubber ring 13, a first guide groove 14, a slide rod 15, a sliding plate 16, a fixed block 17, a sealing unit 2, a swinging rod 21, an air bag 22, a sealing ring 23, a groove 24, an annular cavity 25, a second guide groove 26, a third cavity 27, a top rod 28, an impeller 29, a crack 291, a reducing unit 3, a rotating ring 31, a reducing plate 32, an expansion rod 33, a rubber block 34, a rubber film 35, an elastic pull rope 36, a fixed ring 4, a first cavity 41, a second cavity 42, a handle 43, an extrusion block 44, a first moving block 45 and a second moving block 46.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the reducing two-way pipe joint of the present invention includes a pipe body 1; the sizing interface 11 is arranged at the left end of the pipe body 1; a sealing unit 2 is arranged at the sizing interface 11; the right end of the pipe body 1 is provided with a reducing interface 12; the reducing interface 12 is provided with a reducing unit 3; a rubber ring 13 is fixedly connected in the pipe body 1 and used for assisting the sealing of the joint; the outer part of the tube body 1 is sleeved with a fixed ring 4 in a sliding manner; a first cavity 41 and a second cavity 42 are formed in the fixing ring 4; the upper surface of the pipe body 1 is rotatably connected with a handle 43, and the lower end of the handle 43 is fixedly connected with an extrusion block 44; the lower surface of the extrusion block 44 is designed in an arc shape, and a first moving block 45 is connected in the first cavity 41 in a sliding manner; the upper end of the first moving block 45 penetrates through the fixed ring 4 and is rotatably connected to the surface of the extrusion block 44; the handle 43 is pressed to realize the upward movement of the first moving block 45; the first cavity 41 is communicated with the second cavity 42; a second moving block 46 slides in the second cavity 42; when the first moving block 45 moves up, the second moving block 46 can move down, so that the sealing unit 2 is clamped by the downward movement of the second moving block 46; first guide grooves 14 which are uniformly distributed are formed in the tube body 1; the first guide groove 14 is in a U-shaped design, and two ends of the first guide groove 14 are respectively communicated with the middle part of the pipe body 1 and the reducing interface 12; a sliding rod 15 is connected in the first guide groove 14 in a sliding manner; the sliding rod 15 is positioned at the reducing interface 12, and the sliding rod 15 is designed in a T shape; a sliding plate 16 is connected in the first guide groove 14 in a sliding manner; a limiting block is fixedly connected to the right side of the sliding plate 16 in the first guide groove 14; the higher the water pressure in the pipe body 1 is, the tighter the pipeline connected in the reducing connector 12 is fixed, and the pipeline is prevented from being separated from the joint; in operation, the pipeline inserts in sizing interface 11, the solid fixed ring 4 slides, make solid fixed ring 4 cup joint in sealing unit 2, press handle 43, make extrusion piece 44 swing, the solid fixed ring 4 surface of extrusion, the first movable block 45 of pulling removes, thereby make second movable block 46 relative movement, chucking sealing unit 2 and pipeline, effectively prevent that the pipeline from droing, realize quick installation simultaneously, when needing to dismantle, pull open handle 43, will gu fixed ring 4 slides to body 1 surface, take out the pipeline and realize quick dismantlement, connect the water service after inserting the pipeline in reducing interface 12 department simultaneously, water pressure rises in the joint, promote slide 16 and move to the right, slide 16 moves to the right and makes slide bar 15 relative movement, thereby carry out effectual fixed to the pipeline, prevent that the pipeline from breaking away from reducing interface 12.

As an embodiment of the present invention, the reducing unit 3 includes a swivel 31, a reducing plate 32, and a telescopic rod 33; the surface of the pipe body 1 is provided with a circular chute; the rotating ring 31 slides in the sliding groove, the side walls of the two sides of the sliding groove are respectively provided with a limiting sliding groove, the two sides of the rotating ring 31 are respectively provided with a limiting clamping block, and the limiting clamping blocks slide in the limiting sliding grooves, so that the rotating ring 31 can rotate, and the strength of the pipe body 1 is improved; a reducing plate 32 is fixedly connected in the rotating ring 31 through uniformly arranged telescopic rods 33; the reducing plates 32 and the telescopic rods 33 are arranged in a one-to-one correspondence manner; the variable-diameter plates 32 are designed in an arc shape, so that the surfaces, far away from the rotating ring 31, of the variable-diameter plates 32 are enabled to be mutually encircled to form a circle after being contacted with each other, and the circle center is located at the same position as the circle center of the rotating ring 31; the reducing plates 32 are connected with each other in a sliding manner, arc-shaped sliding grooves are uniformly formed in the side walls of the two sides of each sliding groove, the arc-shaped sliding grooves correspond to the reducing plates 32 one by one, and the reducing plates 32 slide in the arc-shaped sliding grooves when the rotating ring 31 rotates, so that the circular diameter surrounded by the side surface of the reducing plate 32, which is far away from the rotating ring 31, is changed when the rotating ring 31 rotates, and reducing is realized for pipelines with different diameters; during operation, 11 pipeline fixing complete backs of sizing interface, clockwise rotation change 31, the circular diameter increase that reducing plate 32 encloses, insert the pipeline in reducing interface 12, loosen change 31, change 31 anticlockwise rotation makes reducing plate 32 slide in the arc spout through telescopic link 33 to reduce the diameter that reducing plate 32 encloses into circular shape, until fixing the pipeline.

As an embodiment of the invention, the side surfaces of the reducing plates 32 far away from the swivel 31 are fixedly connected with rubber blocks 34; the rubber block 34 is made of soft elastic rubber, and the rubber block 34 is fixedly connected to the surface of the reducing plate 32 through one point in the middle; the rubber blocks 34 are fixedly connected with each other, the rubber blocks 34 are in a stretching state initially, when the reducing plates 32 slide, the elasticity and the sealing performance of the rubber blocks 34 can ensure the sealing between the lower surfaces of the reducing plates 32 and the pipeline, water leakage is prevented, meanwhile, the reducing plates 32 can be inserted between the adjacent rubber blocks 34 and the corresponding reducing plates 32, and the rubber blocks 34 are prevented from influencing the sliding of the reducing plates 32; the during operation, clockwise rotation swivel 31 makes, and the circular diameter increase that reducing plate 32 encloses makes block rubber 34 taut, and the pipeline inserts the back, loosens swivel 31, and swivel 31 anticlockwise rotates under block rubber 34's tensile force effect, makes block rubber 34 hug closely the pipeline surface, because block rubber 34 is in taut state all the time, can effectively play sealed effect, carries out effectual fixing to the pipeline simultaneously.

As an embodiment of the present invention, a rubber membrane 35 is disposed in the rubber ring 13, and the rubber membrane 35 is made of elastic rubber; the rubber membrane 35 is designed in an annular shape, one end of the rubber membrane 35 is fixedly connected into the rubber ring 13, and the other end of the rubber membrane penetrates through the rubber ring 13 and is designed to be fastened at the reducing interface 12; the designed part of the tight opening of the rubber film 35 is wrapped with two elastic pull ropes 36 in a sliding manner, and the designed part of the tight opening at the right end of the rubber film 35 can be tightly attached to the surface of the pipeline by pulling the elastic pull ropes 36 to realize sealing; one end of each elastic pull rope 36 is fixedly connected with the left side face of the corresponding sliding plate 16, so that the higher the water pressure in the joint is, the tighter the mouth of the rubber membrane 35 is, and the stronger the sealing performance is; when the sizing connector is in work, after the sizing connector 11 and the reducing connector 12 are inserted into a pipeline, water flows into the pipeline, the sliding plate 16 moves to the right under the action of water pressure, the elastic pull rope 36 is pulled, the tight opening of the rubber film 35 is tightened, the rubber film is tightly attached to the surface of the pipeline, the rubber film is matched with the rubber block 34 to play a sealing role, the pipeline is fixed, the pipeline is prevented from falling off, and the joint leaks water.

As an embodiment of the present invention, the sealing unit 2 includes a swing lever 21, an airbag 22, and a sealing ring 23; a groove 24 is formed in the sizing interface 11 of the pipe body 1; the number of the grooves 24 is two, and the grooves are oppositely arranged; the number of the swing rods 21 is two, the swing rods are respectively rotatably connected into the corresponding grooves 24, and the side faces of the opposite sides of the swing rods 21 far away from one end of the joint are fixedly connected with the fixed blocks 17; the fixed block 17 is made of hard rubber; air bags 22 are arranged in the grooves 24; the air bag 22 is far away from the rubber ring 13 and is fixedly connected in the groove 24, and the air bag 22 can be squeezed when the swinging rod 21 swings; the rubber ring 13 is designed to be recessed at the sizing interface 11, and a pipeline can be inserted into the recessed position; the concave parts of the rubber rings 13 are fixedly connected with sealing rings 23 which are uniformly arranged; the sealing rings 23 are made of elastic rubber, and annular cavities 25 are formed in the sealing rings 23; the annular cavities 25 are communicated with each other through a second guide groove 26, and are communicated with the air bag 22 through the second guide groove 26; a third cavity 27 is formed in the rubber ring 13; the third cavity 27 communicates with the annular cavity 25; during operation, fixed ring 4 slides to swinging arms 21 department, after pressing handle 43, second movable block 46 relative motion, the extrusion corresponds swinging arms 21, thereby make swinging arms 21 relative swing, extrude gasbag 22, make sealing ring 23 inflation, hug closely the pipeline surface, prevent that the pipeline from breaking away from sizing interface 11 through the frictional force of sealing ring 23 when sealing up the pipeline, third cavity 27 inflation simultaneously, hug closely pipeline mouth department, cooperation sealing ring 23 is sealed completely to the pipeline, improve the leakproofness, swinging arms 21 relative swing simultaneously, make fixed block 17 hug closely the pipeline outer wall, cooperation sealing ring 23 makes the pipeline completely fixed.

As an embodiment of the present invention, the annular cavities 25 are provided with the push rods 28 uniformly arranged therein; the upper end of the ejector rod 28 is designed into a cambered surface; the surface of each ejector rod 28 is fixedly connected with an impeller 29; a thread groove is formed in the inner wall of the second guide groove 26; the impeller 29 is clamped in the thread groove; the upper ends of the sealing rings 23 are all provided with cracks 291; the crack 291 is arranged obliquely, and the crack 291 is not communicated with the annular cavity 25; during operation, swinging arms 21 extrudes gasbag 22, and when gaseous through second guide slot 26, drive impeller 29 and rotate in the thread groove, make ejector pin 28 shift up, withstand sealing ring 23, improve the contact strength of sealing ring 23 pipeline to carry out effectual fixing to the pipeline when improving the leakproofness, because there is crackle 291 at sealing ring 23 top, when ejector pin 28 shifts up, make crackle 291 open, form the barb, prevent that the pipeline from breaking away from sizing interface 11.

When the pipeline sealing device works, a pipeline is inserted into the sizing interface 11, the fixing ring 4 is slid to the position of the swinging rod 21, the handle 43 is pressed, the extruding block 44 swings to extrude the surface of the fixing ring 4, the first moving block 45 is pulled to move, the second moving block 46 moves relatively to extrude the corresponding swinging rod 21, so that the swinging rod 21 swings relatively, the air bag 22 is extruded to expand the sealing ring 23 to cling to the surface of the pipeline, the pipeline is prevented from separating from the sizing interface 11 by the friction force of the sealing ring 23 while being sealed, meanwhile, the third cavity 27 expands to cling to the position of the pipeline opening, when gas passes through the second guide groove 26, the impeller 29 is driven to rotate in the thread groove to move the ejector rod 28 upwards to prop against the sealing ring 23, the crack 291 is opened to form a barb, when the swinging rod 21 swings relatively, the fixing block 17 clings to the outer wall of the pipeline, when the, slide solid fixed ring 4 to body 1 surface, the pipeline is taken out and quick dismantlement is realized, 11 pipeline fixing of sizing interface is complete backs, clockwise rotation change 31, the circular diameter increase that reducing plate 32 encloses, block rubber 34 is taut, insert the pipeline in reducing interface 12, loosen change 31, change 31 anticlockwise rotation, make reducing plate 32 slide in the arc spout through telescopic link 33, thereby reduce the circular shape diameter that reducing plate 32 encloses, make block rubber 34 hug closely the pipeline surface, the joint leads to water behind reducing interface 12 department insert the pipeline simultaneously, water pressure rises in the joint, promote slide 16 and move to the right, slide 16 moves to the right makes slide bar 15 relative movement, thereby carry out effectual fixed to the pipeline, slide 16 moves to the right, pulling elasticity stay cord 36, make rubber membrane 35 tight mouthful department tighten up.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A reducing two-way pipe joint is characterized in that: comprises a pipe body (1); the left end of the pipe body (1) is provided with a sizing interface (11); a sealing unit (2) is arranged at the sizing interface (11); the right end of the pipe body (1) is provided with a reducing interface (12); the reducing interface (12) is provided with a reducing unit (3); a rubber ring (13) is fixedly connected in the pipe body (1) and used for assisting the sealing of the joint; the outer part of the tube body (1) is sleeved with a fixed ring (4) in a sliding manner; a first cavity (41) and a second cavity (42) are formed in the fixing ring (4); the upper surface of the pipe body (1) is rotatably connected with a handle (43), and the lower end of the handle (43) is fixedly connected with an extrusion block (44); the lower surface of the extrusion block (44) is designed in an arc shape, and a first moving block (45) is connected in the first cavity (41) in a sliding manner; the upper end of the first moving block (45) penetrates through the fixed ring (4) and is rotatably connected to the surface of the extrusion block (44); the first moving block (45) can move upwards by pressing the handle (43); the first cavity (41) is communicated with the second cavity (42); a second moving block (46) slides in the second cavity (42); when the first moving block (45) moves upwards, the second moving block (46) can move downwards, so that the sealing unit (2) is clamped through the downward movement of the second moving block (46); first guide grooves (14) which are uniformly distributed are formed in the pipe body (1); the first guide groove (14) is in a U-shaped design, and two ends of the first guide groove (14) are respectively communicated with the middle part of the pipe body (1) and the reducing interface (12); a sliding rod (15) is connected in the first guide groove (14) in a sliding manner; the sliding rod (15) is positioned at the reducing interface (12), and the sliding rod (15) is designed in a T shape; a sliding plate (16) is connected in the first guide groove (14) in a sliding way; a limiting block is fixedly connected to the right side of the sliding plate (16) in the first guide groove (14); the higher the water pressure in the pipe body (1), the tighter the pipeline connected in the reducing interface (12) is fixed, and the pipeline is prevented from separating from the joint.

2. The reducing two-way pipe joint according to claim 1, wherein: the reducing unit (3) comprises a rotating ring (31), a reducing plate (32) and a telescopic rod (33); the surface of the pipe body (1) is provided with a circular chute; the rotating ring (31) slides in the sliding groove, the side walls of the two sides of the sliding groove are respectively provided with a limiting sliding groove, the two sides of the rotating ring (31) are respectively provided with a limiting clamping block, and the limiting clamping blocks slide in the limiting sliding grooves, so that the rotating ring (31) can rotate, and the strength of the pipe body (1) is improved; the inside of the swivel (31) is fixedly connected with a reducing plate (32) through uniformly arranged telescopic rods (33); the reducing plates (32) and the telescopic rods (33) are arranged in a one-to-one correspondence manner; the variable-diameter plates (32) are designed in an arc shape, so that the surfaces, far away from the rotating ring (31), of the variable-diameter plates (32) are mutually encircled to form a circle after being contacted, and the circle center of the variable-diameter plates and the circle center of the rotating ring (31) are positioned at the same position; reducing plate (32) sliding connection each other, and the arc spout of evenly arranging is all seted up to spout both sides lateral wall, arc spout and reducing plate (32) one-to-one, guarantee swivel (31) when rotating, reducing plate (32) slide in the arc spout to make reducing plate (32) keep away from the circular diameter change that swivel (31) one side enclosed in reducing plate (32) when swivel (31) rotate, thereby realize the reducing to the pipeline of different diameters.

3. The reducing two-way pipe joint according to claim 2, wherein: the side surfaces of the reducing plates (32) far away from the side surfaces of the rotating ring (31) are fixedly connected with rubber blocks (34); the rubber block (34) is made of soft elastic rubber, and the rubber block (34) is fixedly connected to the surface of the reducing plate (32) through one point in the middle; the rubber blocks (34) are fixedly connected with each other, the rubber blocks (34) are in a stretching state initially, when the variable-diameter plate (32) slides, the elasticity and the sealing performance of the rubber blocks (34) can ensure the sealing between the lower surface of the variable-diameter plate (32) and a pipeline, water leakage is prevented, meanwhile, the variable-diameter plate (32) can be inserted between the adjacent rubber blocks (34) and the corresponding variable-diameter plate (32), and the rubber blocks (34) are prevented from influencing the sliding of the variable-diameter plate (32).

4. The reducing two-way pipe joint according to claim 1, wherein: a rubber membrane (35) is arranged in the rubber ring (13), and the rubber membrane (35) is made of elastic rubber; the rubber membrane (35) is designed in an annular shape, one end of the rubber membrane (35) is fixedly connected into the rubber ring (13), and the other end of the rubber membrane penetrates through the rubber ring (13) and is designed to be fastened at the reducing interface (12); the designed part of the tight opening of the rubber film (35) is wrapped with two elastic pull ropes (36) in a sliding manner, and the part of the tight opening of the right end of the rubber film (35) can be tightly attached to the surface of the pipeline by pulling the elastic pull ropes (36) to realize sealing; one end of each elastic pull rope (36) is fixedly connected with the left side face of the corresponding sliding plate (16) respectively, so that the larger the water pressure in the joint is, the tighter the opening of the rubber film (35) is, and the stronger the sealing performance is.

5. The reducing two-way pipe joint according to claim 1, wherein: the sealing unit (2) comprises a swing rod (21), an air bag (22) and a sealing ring (23); a groove (24) is formed in the sizing interface (11) of the pipe body (1); the number of the grooves (24) is two, and the grooves are oppositely arranged; the number of the swing rods (21) is two, the swing rods are respectively rotatably connected into the corresponding grooves (24), and the side faces of the opposite sides of the swing rods (21) far away from one end of the joint are fixedly connected with fixing blocks (17); the fixed block (17) is made of hard rubber; air bags (22) are arranged in the grooves (24); the air bag (22) is far away from the rubber ring (13) and is fixedly connected in the groove (24), and the air bag (22) can be squeezed when the swinging rod (21) swings; the rubber ring (13) is designed to be recessed at the sizing interface (11), and a pipeline can be inserted into the recessed position; the concave parts of the rubber rings (13) are fixedly connected with sealing rings (23) which are uniformly arranged; the sealing ring (23) is made of elastic rubber, and annular cavities (25) are formed in the sealing ring (23); the annular cavities (25) are communicated with each other through a second guide groove (26) and are communicated with the air bag (22) through the second guide groove (26); a third cavity (27) is formed in the rubber ring (13); the third cavity (27) communicates with the annular cavity (25).

6. The reducing two-way pipe joint according to claim 5, wherein: the annular cavities (25) are internally provided with ejector rods (28) which are uniformly distributed; the upper end of the ejector rod (28) is designed into a cambered surface; the surfaces of the ejector rods (28) are fixedly connected with impellers (29); the inner wall of the second guide groove (26) is provided with a thread groove; the impeller (29) is clamped in the thread groove; the upper ends of the sealing rings (23) are all provided with cracks (291); the crack (291) is arranged obliquely, and the crack (291) is not communicated with the annular cavity (25).