CN108506621B

CN108506621B - Reusable pipe joint

Info

Publication number: CN108506621B
Application number: CN201810506857.9A
Authority: CN
Inventors: 沈惠明
Original assignee: Jiaxing Chenxuan Pipe Fitting Manufacturing Technology Co ltd
Current assignee: Jiaxing Chenxuan Pipe Fitting Manufacturing Technology Co ltd
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2023-07-25
Anticipated expiration: 2038-05-24
Also published as: CN108506621A

Abstract

The invention discloses a reusable pipe joint, which comprises a first connector and a second connector detachably connected with the first connector, wherein the first connector comprises a pipe body, a blocking step integrally formed at the rear end of the pipe body and a plug body integrally formed at the rear end of the blocking step, a through hole of the pipe body extends backwards and sequentially penetrates through the blocking step and the plug body, two protrusions which are respectively positioned at two sides of the pipe body are arranged at the front end of the blocking step, the front ends of the protrusions are inclined planes, the rear end of the plug body is a conical surface, a supporting seat is arranged in the rear end of the plug body, a pushing rod is arranged at the rear end of the supporting seat, an annular protrusion is arranged on the pipe body, a fastening nut in threaded connection is arranged on the annular protrusion, and a rotating body which is rotatably connected is arranged at the front end of the fastening nut.

Description

Reusable pipe joint

Technical Field

The invention relates to the technical field of pipe joints, in particular to the technical field of reusable pipe joints.

Background

The pipe joint is a part for connecting a pipeline or mounting the pipeline on a hydraulic element in a hydraulic system, and is a general term for a connecting piece which can be assembled and disassembled in a fluid passage. Plays an indispensable important role in the pipe fitting, which is one of two main constituent parts of the hydraulic piping. There are various kinds of pipe joints, and commonly used pipe joints can be generally classified into hard pipe joints and hose joints. The pipe joint of the connecting pipeline in the hydraulic system belongs to a detachable connecting element, so that the pipe joint which meets the requirement of convenient disassembly and assembly, has good sealing performance and has a flow stopping function is needed.

In the prior art, the fixing of the hose and the pipe joint generally extrudes the sleeve body sleeved on the hose through the stamping device, so that the sleeve body is reduced to tightly hold the hose on the pipe joint, and the pipe joint cannot be reused in the connecting mode, thereby increasing the use cost and wasting resources.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a reusable pipe joint which is convenient to assemble and disassemble, good in sealing performance, has a flow stopping function, can reduce the use cost and saves resources.

In order to achieve the above object, the invention provides a reusable pipe joint, which comprises a first connecting head and a second connecting head detachably connected with the first connecting head, wherein the first connecting head comprises a pipe body, a blocking step integrally formed on the rear end of the pipe body and a plug body integrally formed on the rear end of the blocking step, a through hole of the pipe body extends backwards and sequentially penetrates through the blocking step and the plug body, the front end of the blocking step is provided with two bulges respectively positioned on two sides of the pipe body, the front ends of the bulges are inclined planes, the rear end of the plug body is a conical surface, a supporting seat is arranged in the rear end of the plug body, the rear end of the supporting seat is provided with a pushing rod, an annular bulge is arranged on the pipe body, a fastening nut in threaded connection is arranged on the annular bulge, the front end of the fastening nut is provided with a rotating body in rotatable connection, two symmetrically arranged pull rods are arranged on the rotating body, the front ends of the two pull rods are provided with clamping devices for clamping and fixing hoses sleeved on the front end of the pipe body, the clamping devices comprise two bulges respectively positioned on two sides of the pipe body, the clamping devices are respectively provided with two circular arc-shaped clamping bodies, two clamping caps are respectively arranged on two lower ends of the two clamping caps, two clamping caps are respectively connected with one end of the two clamping caps respectively, two end of the two clamping caps are respectively connected with two end caps respectively, two end caps are respectively arranged on two ends of the two end caps respectively, two end caps are respectively connected with two end caps respectively, two end caps are respectively connected with two end caps and two end caps are respectively, and two end caps are respectively and two end and two ends are respectively and each of two ends, and two ends are each and two and each of the two and each and is, the front end of the connecting pipe is provided with a connecting body in sealing threaded connection with a rear channel of the sleeve body, the front end of the connecting body is provided with a spring in the rear channel, the front end of the spring is provided with a plugging body for plugging the rear end of a middle channel of the sleeve body, the front end of the plugging body is provided with a slot matched with the rear end of the pushing rod, the front part of the sleeve body is provided with two through holes, two ends of the front end of the sleeve body penetrate through the through holes of the upper end and the lower end of the sleeve body respectively, two fork arms of the fork body are inserted into the two through holes respectively, the rear ends of the two fork arms of the fork body are respectively provided with supporting bodies, the two supporting bodies are in one-to-one correspondence with the two protrusions, the rear ends of the supporting bodies are attached to the front ends of the protrusions, the fastening screw penetrates through the cross arm body of the fork body to be in threaded connection with the upper end of the sleeve body, and the middle channel of the sleeve body is matched with the rear end of the plug body.

Preferably, the diameter of the blocking body is smaller than the diameter of the rear channel.

Preferably, the cross section of the blocking step is square, and the front channel of the sleeve body is matched with the blocking step.

Preferably, a sealing ring for sealing between the blocking step and the sleeve body is sleeved on the plug body.

Preferably, the locking mechanism comprises a body, two seats and two positioning sliding bodies, wherein the two seats are arranged at the lower end of the body, the inner ends of the seats are inclined planes, and the positioning sliding bodies are arranged at the inner ends of the seats.

Preferably, the connecting mechanism comprises a plurality of fixed sleeves, two rotating shafts, a connecting rod, a connecting seat and a positioning groove, wherein one rotating shaft is rotatably arranged on the end part of the clamping body through the two fixed sleeves, the other rotating shaft is rotatably arranged on the bottom of the connecting seat through the two fixed sleeves, two ends of the connecting rod are fixedly connected with the two rotating shafts respectively, the end faces, corresponding to the inner ends of the connecting seat and the seat body, of the connecting seat are provided with the positioning groove matched with the positioning sliding body, the end face, provided with the positioning groove, of the connecting seat is attached to the inner end of the seat body, and the rear end of the connecting seat is abutted to the annular protrusion.

Preferably, connecting seat bodies are arranged at the upper parts of the two ends of the cushion block, sliding holes matched with the connecting seat bodies are formed in the two clamping bodies, and anti-falling bodies are arranged at the outer ends of the sliding holes of the connecting seat bodies.

Preferably, a fixing clamping part is formed at the rear end of the annular protrusion.

The invention has the beneficial effects that: according to the invention, the fork body is driven to move downwards through the fastening screw, and the blocking step is driven to move backwards through the cooperation of the supporting body and the bulge, so that the rear end of the plug body is in close contact with the accommodating groove, and the first connector and the second connector are fixedly connected, so that the assembly and the disassembly are convenient, and the connection reliability is good; the rear end of the plug body is a conical surface, so that the contact area is large, and the tightness is improved; a sealing ring for sealing between the blocking step and the sleeve body is arranged in the annular groove, so that the sealing performance is further improved; when the first connector is fixedly connected with the second connector, the blocking body is pushed away by the pushing rod, so that the middle channel is communicated with the rear channel, and after the first connector is removed, the blocking body is blocked on the rear end of the middle channel under the action of the spring, so that flow stopping is realized; be equipped with annular arch on the body, be equipped with threaded connection's fastening nut on the annular arch, fastening nut's front end is equipped with rotatable coupling's rotor, is equipped with the pull rod of two symmetrical settings on the rotor, and the front end of two pull rods is equipped with the clamping device who presss from both sides the hose of cover on the body front end and establish, can avoid traditional coupling to press from both sides tight fixed drawback, compares with prior art, can the dismouting convenience, and sealing performance is good, has the stagnant flow function, can also reduce use cost, saves resources.

The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a reusable pipe fitting of the present invention;

fig. 2 is a schematic view of the structure in which the clamping device is mounted on the tie rod.

In the figure: 1-first connector, 2-second connector, 100-hose, 11-body, 12-blocking step, 13-plug, 14-boss, 15-sealing ring, 16-supporting seat, 17-pushing rod, 21-connecting tube, 22-sleeve, 23-fork, 24-fastening screw, 25-supporting body, 26-perforation, 27-slot, 28-connecting body, 29-spring, 210-blocking body, 221-back channel, 222-middle channel, 223-front channel, 01-annular boss, 02-fastening nut, 03-rotator, 04-pull rod, 05-clamping device, 06-fixing clamping part, 100-hose, 051-locking mechanism, 052-clamping body, 053-cushion block, 054-connecting mechanism, 0511-body, 0512-seat, 0513-positioning sliding body, 0541-fixing sleeve, 0542-rotating shaft, 0543-connecting rod, 0544-connecting seat, 0545-positioning slot, 0521-sliding hole, 0531-connecting seat, 0532-anti-falling body.

Detailed Description

Referring to fig. 1 and 2, the reusable pipe joint of the present invention comprises a first connector 1 and a second connector 2 detachably connected with the first connector 1, the first connector 1 comprises a pipe body 11, a blocking step 12 integrally formed on the rear end of the pipe body 11, and a plug body 13 integrally formed on the rear end of the blocking step 12, a through hole of the pipe body 11 extends backwards and sequentially penetrates through the blocking step 12 and the plug body 13, two protrusions 14 respectively positioned on two sides of the pipe body 11 are arranged at the front end of the blocking step 12, the front end of the protrusions 14 is an inclined plane, the rear end of the plug body 13 is a conical surface, a supporting seat 16 is arranged in the rear end of the plug body 13, a pushing rod 17 is arranged at the rear end of the supporting seat 16, an annular protrusion 01 is arranged on the pipe body 11, a fastening nut 02 in threaded connection is arranged on the annular protrusion 01, the front end of the fastening nut 02 is provided with a rotatable rotating body 03, the rotating body 03 is provided with two symmetrically arranged pull rods 04, the front ends of the two pull rods 04 are provided with clamping devices 05 which clamp and fix a hose 100 sleeved on the front end of a pipe body 11, the clamping devices 05 comprise two locking mechanisms 051, two circular arc-shaped clamping bodies 052, two cushion blocks 053 and a plurality of connecting mechanisms 054, the rear ends of the two clamping bodies 052 are respectively abutted against the annular bulge 01, the upper ends of the two clamping bodies 052 are respectively overlapped on the upper parts of two ends of one cushion block 053, the lower ends of the two clamping bodies 052 are respectively overlapped on the lower parts of two ends of the other cushion block 053, the upper end and the lower end of each clamping body 052 are respectively provided with a connecting mechanism 054, the upper two connecting mechanisms 054 are provided with a locking mechanism 051 connected with one pull rod 04, the lower two connecting mechanisms 054 are provided with another locking mechanism 051 connected with another pull rod 04, the second connector 2 comprises a connecting pipe 21, a sleeve body 22, a fork body 23, a fastening screw 24, two supporting bodies 25, two through holes 26, a spring 29 and a blocking body 210, the front end of the connecting pipe 21 is provided with a connecting body 28 in threaded connection with a rear channel 221 of the sleeve body 22 in a sealing way, the front end of the connecting body 28 is provided with the spring 29 in the rear channel 221, the front end of the spring 29 is provided with a blocking body 210 for blocking the rear end of a middle channel 222 of the sleeve body 22, the front end of the blocking body 210 is provided with a slot 27 matched with the rear end of the push rod 17, the front part of the sleeve body 22 is provided with two through holes 26 with two ends penetrating through the upper end and the lower end of the sleeve body 22 respectively, the two fork arms of the fork body 23 are inserted into the two through holes 26 respectively, the rear ends of the two fork arms of the fork body 23 are provided with the supporting bodies 25, the two supporting bodies 25 are in one-to-one correspondence with the two bulges 14, the rear ends of the supporting bodies 25 are attached to the front ends of the bulges 14, the fastening screw 24 penetrates through the cross arm body of the fork body 23 and is in threaded connection with the upper end of the sleeve body 22, the middle channel 222 of the sleeve body 22 is matched with the rear end of the plug body 13, the diameter of the plugging body 210 is smaller than that of the rear channel 221, the cross section of the blocking step 12 is square, the front channel 223 of the sleeve body 22 is matched with the blocking step 12, the plug body 13 is sleeved with a sealing ring 15 for sealing between the blocking step 12 and the sleeve body 22, the locking mechanism 051 comprises a body 0511, two seat bodies 0512 and two positioning sliding bodies 0513, the lower end of the body 0511 is provided with two seat bodies 0512, the inner ends of the seat bodies 0512 are inclined planes, the inner ends of the seat bodies 0512 are provided with the positioning sliding bodies 0513, coupling mechanism 054 includes a plurality of fixed bolster 0541, two pivot 0542, connecting rod 0543, connecting seat 0544 and constant head tank 0545, pivot 0542 is rotatable to be established on the anchor clamps 052 tip through two fixed bolster 0541, and another pivot 0542 is rotatable to be established on the bottom of connecting seat 0544 through two fixed bolster 0541, connecting rod 0543's both ends respectively with two pivot 0542 fixed connection, be equipped with on the terminal surface corresponding with the inner of pedestal 0512 with location slider 0513 matched with constant head tank 0545, connecting seat 0544 is equipped with the terminal surface laminating of constant head tank 0545 with the inner of pedestal 0512, the rear end of connecting seat 0544 is contradicted on annular bulge 01, cushion 053's both ends upper portion all is equipped with connecting seat 0531, all be equipped with on two anchor clamps 052 with connecting seat 0531 matched with slide hole 0521, connecting seat 0531 is equipped with anti-disengaging body 0532 at slide hole 0521's outer end, annular bulge has the back to become fixed part.

The working process of the invention comprises the following steps:

in the working process of the reusable pipe joint, a hose 100 is sleeved on a pipe body 11 in a clamping device 05, then a fastening nut 02 is rotated to move backwards and drive a rotating body 03 to move backwards, the rotating body 03 drives a locking mechanism 051 to move backwards through a pull rod 04, two connecting mechanisms 054 on the same end of two clamping bodies 052 are moved close through the cooperation of a connecting seat 0544 and a seat 0512, the two connecting mechanisms 054 respectively pull the upper ends of the two clamping bodies 052 to move close, and the other two connecting mechanisms 054 respectively pull the lower ends of the two clamping bodies 052 to move close until the hose 100 is fastened on the pipe body 11 in a clasping manner by the two clamping bodies 052.

When the hose 100 needs to be disassembled, the rotary fastening nut 02 moves forwards and drives the rotary body 03 to move forwards, the rotary body 03 drives the locking mechanism 051 to move forwards through the pull rod 04, and simultaneously, the two connecting mechanisms 054 on the same end of the two clamping bodies 052 move away from each other, the clamping bodies 052 loosen the hose 100, and then the hose 100 can be disassembled.

The end, provided with the plug body 13, of the first connector 1 is inserted into the sleeve body 22, the fork body 23 is inserted into the through hole 26, then the fastening screw 24 penetrates through the cross arm body of the fork body 23 to be screwed on the sleeve body 22, the fastening screw 24 drives the fork body 23 to move downwards in the screwing process, the fork body 23 drives the blocking step 12 to move backwards through the cooperation of the supporting body 25 and the bulge 14, the blocking step 12 drives the plug body 13 to move backwards, the rear end of the plug body 13 is tightly contacted with the middle channel 222, the sealing ring 15 is pressed on the inner side of the rear end of the sleeve body 22, the fixed connection between the first connector 1 and the second connector 2 is realized, the plug body 13 moves backwards and drives the pushing rod 17 to push the blocking body 210 to move backwards, the rear end of the middle channel 222 is opened, when the fork body 23 is required to be dismounted, the first connector 1 can be pulled out, and simultaneously, the action of the spring 29 enables the blocking body 210 to move backwards the rear end of the middle channel 222 and the rear end of the middle channel 222 is closed.

The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.

Claims

1. A reusable pipe joint, characterized by: including first connector (1) and second connector (2) of being connected with first connector (1) can dismantle, first connector (1) include body (11), integrated into one piece block step (12) and integrated into one piece on body (11) rear end insert body (13) on blocking step (12) rear end, the through-hole of body (11) backward extends and runs through in proper order and block step (12) and insert body (13), the front end that blocks step (12) is equipped with two protruding (14) that are located body (11) both sides respectively, the front end of protruding (14) is the inclined plane, insert body (13)'s rear end is conical face, be equipped with supporting seat (16) in insert body (13)'s the rear end, supporting seat (16)'s rear end is equipped with catch bar (17), be equipped with annular bulge (01) on body (11), be equipped with threaded connection's fastening nut (02) on annular bulge (01), the front end of fastening nut (02) is equipped with rotatable coupling's protruding (03), be equipped with two relative clamp sleeve (04) on body (03) clamp two front end that will be equipped with on body (11) two hose (04), the clamping device (05) comprises two locking mechanisms (051), two circular arc-shaped clamping bodies (052), two cushion blocks (053) and a plurality of connecting mechanisms (054), the rear ends of the two clamping bodies (052) are respectively abutted against the annular bulge (01), the upper ends of the two clamping bodies (052) are respectively lapped on the upper parts of the two ends of one cushion block (053), the lower ends of the two clamping bodies (052) are respectively lapped on the lower parts of the two ends of the other cushion block (053), the upper end and the lower end of each clamping body (052) are respectively provided with a connecting mechanism (054), the upper two connecting mechanisms (054) are provided with a locking mechanism (051) connected with one pull rod (04), the lower two connecting mechanisms (054) are provided with another locking mechanism (051) connected with the other pull rod (04), the second connecting pipe (2) comprises a connecting pipe (21), a sleeve body (22), a fork body (23), a fastening body (24), two supporting bodies (26), two spring bodies (26) and a front end (28) and a back end (28) of the connecting pipe (28) are provided with a sealing screw (28), the front end of spring (29) is equipped with shutoff body (210) of the rear end of the middle channel (222) of shutoff cover body (22), the front end of shutoff body (210) be equipped with the front end matched with slot (27) of catch bar (17), the front portion of cover body (22) is equipped with upper end and perforation (26) of lower extreme that cover body (22) are run through respectively at two both ends, two fork arms of fork body (23) insert respectively in two perforation (26), the rear end of two fork arms of fork body (23) all is equipped with supporter (25), the rear end of two supporter (25) and two protruding (14) one-to-one, the rear end of supporter (25) is laminated with the front end of protruding (14), the cross arm body of fastening screw (24) pass fork body (23) is connected with the upper end screw thread of cover body (22), the middle channel (222) of cover body (22) and the rear end of plug body (13) cooperate, the locking mechanism (23) inserts respectively in two perforation (26), the rear end of two fork body (23) all is equipped with supporter (25), two supporter (1) and two opposite slide (4) are equipped with two relative slide mechanism (1, two slide mechanism (4) and two slide mechanism (1) and two slide mechanism (2) are equipped with, two slide mechanism (4) and two slide mechanism (1, two slide mechanism (2) are equipped with slide mechanism (2) Two pivot (0542), connecting rod (0543), connecting seat (0544) and constant head tank (0545), pivot (0542) is rotatably established on pressing from both sides tight body (052) tip through two fixed bolster (0541), and another pivot (0542) is rotatably established on the bottom of connecting seat (0544) through two fixed bolster (0541), the both ends of connecting rod (0543) are respectively with two pivot (0542) fixed connection, be equipped with on the terminal surface that connecting seat (0544) and the inclined plane end of pedestal (0513) are corresponding with fixed slide body (0513) matched with constant head tank (0545), the terminal surface that connecting seat (0544) is equipped with constant head tank (0545) cooperatees with the inclined plane end of pedestal (0512), can drive the center direction motion of corresponding connecting seat (0544) to body (0511) when making its pedestal (0512) backward motion, the rear end of connecting seat (0544) is contradicted on annular boss (0501), be equipped with on the inclined plane end of pedestal (0513) with the upper portion of connecting seat (0531) and the equal and the upper portion of pedestal (0531) are equipped with the equal and are equipped with the anti-drop-off anchor (21) on the pedestal (052).

2. A reusable pipe coupling according to claim 1, wherein: the diameter of the occlusion body (210) is smaller than the diameter of the rear channel (221).

3. A reusable pipe coupling according to claim 1, wherein: the cross section of the blocking step (12) is square, and the front channel (223) of the sleeve body (22) is matched with the blocking step (12).

4. A reusable pipe coupling according to claim 1, wherein: the plug body (13) is sleeved with a sealing ring (15) for sealing between the blocking step (12) and the sleeve body (22).

5. A reusable pipe fitting according to any of claims 1 to 4, wherein: the rear end of the annular bulge (01) is provided with a fixed clamping part.