CN210800360U

CN210800360U - Quick coupling

Info

Publication number: CN210800360U
Application number: CN201921917898.3U
Authority: CN
Inventors: 涂正发; 肖鹏
Original assignee: Jiangsu Hengsheng Precision Machinery Technology Co ltd
Current assignee: Jiangsu Hengsheng Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-19
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a quick joint, which comprises a first pipe joint, a second pipe joint sleeved with the first pipe joint and a clamping ring used for detachably assembling the first pipe joint on the second pipe joint, wherein the clamping ring is embedded in the second pipe joint and sleeved on the periphery of the first pipe joint; the joint circle includes first snap ring, second snap ring and connects the linking arm of first snap ring and second snap ring, first coupling is equipped with the ring channel with first snap ring joint, the second coupling is equipped with the draw-in groove with second snap ring joint. The utility model discloses quick-operation joint's first coupling is embedded in the second coupling, the ring channel and the first snap ring joint of first coupling, the draw-in groove and the second snap ring joint of second coupling, quick-operation joint pass through the connected mode of joint realize the assembly between first coupling and the second coupling and dismantle to can prevent that first coupling pine from taking off in the second coupling, increase structural firmness.

Description

Quick coupling

Technical Field

The utility model relates to a tube coupling technical field especially relates to a quick-operation joint.

Background

The quick connector is a connector which can realize the connection or disconnection of pipelines without tools, and is widely applied to a plurality of industries.

A quick coupling in the prior art includes a first coupling, a direct pipe, and a second coupling that are connected in sequence. The first pipe joint and the second pipe joint are respectively positioned on two sides of the direct pipe and are in threaded connection with the direct pipe through nuts, and the first pipe joint and the second pipe joint are used for being connected with an external pipeline. In the assembly mode, the first pipe joint and the second pipe joint are connected with the direct pipe through the nuts, so that the assembly and disassembly are inconvenient; and the nut is usually made of iron materials, and is easy to oxidize and the like after long-term use. The connection structure of the quick coupling is yet to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a convenient quick-operation joint in equipment and dismantlement.

In order to solve the technical problem, the utility model provides a following technical scheme: a quick joint comprises a first pipe joint, a second pipe joint sleeved with the first pipe joint and a clamping ring used for detachably assembling the first pipe joint on the second pipe joint, wherein the clamping ring is embedded in the second pipe joint and sleeved on the periphery of the first pipe joint; the joint circle includes first snap ring, second snap ring and connects the linking arm of first snap ring and second snap ring, first coupling is equipped with the ring channel with first snap ring joint, the second coupling is equipped with the draw-in groove with second snap ring joint.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model discloses quick-operation joint's first coupling is embedded in the second coupling, the ring channel and the first snap ring joint of first coupling, the draw-in groove and the second snap ring joint of second coupling, quick-operation joint pass through the connected mode of joint realize the equipment between first coupling and the second coupling and dismantle to can prevent that first coupling pine from taking off in the second coupling, increase structural firmness.

Preferably, the first pipe joint comprises a first pipe body, a first groove ring and a second groove ring, wherein the first groove ring and the second groove ring are arranged on the periphery of the first pipe body, and the groove body between the first groove ring and the second groove ring forms the annular groove.

Preferably, the first snap ring comprises a first ring body clamped on the annular groove, a first clamping block arranged on the first ring body and clamped with the annular groove, a limiting block fixedly connected with the first clamping block and capable of moving along the radial direction of the first clamping block, and a pressing block used for controlling the first ring body to deform and enabling the first clamping block to move outwards along the radial direction.

Preferably, the number of the limiting blocks and the number of the pressing blocks are respectively two, the two limiting blocks are oppositely arranged at two ends of the first ring body in the transverse direction, and the two pressing blocks are oppositely arranged at two ends of the first ring body in the longitudinal direction.

Preferably, the clamping groove is concavely arranged on the inner wall of the second pipe joint, and the second clamping ring comprises a second ring body embedded in the inner cavity of the second pipe joint and a second clamping block arranged on the second ring body and clamped with the clamping groove.

Preferably, the second coupling include with first ring body complex joint portion, joint portion is close to the one end that is equipped with the cooperation installation near first coupling the first recess and the cooperation installation of stopper press the second recess of piece.

Preferably, the position of the clamping groove corresponds to the position of the first groove, and the groove bottom of the first groove extends obliquely along the inner wall of the second pipe joint towards the direction of the clamping groove so as to form a leading-in groove for clamping the second clamping block in the clamping groove.

Preferably, the second pipe joint comprises a second pipe body and a third pipe body which are bent relatively, and the clamping portion is located on the second pipe body.

Preferably, the corner end of the limiting block connected with the first ring body is provided with an arc-shaped groove which is convenient for the limiting block to move outwards in the first groove.

Preferably, the inner cavity of the second pipe joint is provided with a sealing ring sleeved on the periphery of the first pipe body, and the sealing ring is positioned on the inner side of the clamping ring.

Drawings

Fig. 1 is a schematic perspective view of the quick coupling of the present invention;

FIG. 2 is an exploded view of the quick coupling of the present invention;

FIG. 3 is a perspective view of the clamping ring of the present invention;

FIG. 4 is a schematic top view of the snap ring of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 6 is a partially enlarged view of a portion B in fig. 5.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and is not intended to limit the scope of the invention. It is to be understood that in the description of the present invention, the terms "front", "back", "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention. The terms "first," "second," and the like are used merely to simplify the written description to distinguish similar objects and are not to be construed as specifying a sequential relationship between particular orders.

Referring to fig. 1 and fig. 2, the present embodiment provides a quick coupling, which includes a first pipe joint 1, a second pipe joint 3 sleeved with the first pipe joint 1, and a clamping ring 2 for detachably assembling the first pipe joint 1 to the second pipe joint 3. The clamping ring 2 is embedded in the second pipe joint 3 and sleeved on the periphery of the first pipe joint 1. The clamping ring 2 is fixedly clamped inside the second pipe joint 3, and the first pipe joint 1 is detachably connected with the clamping ring 2.

Referring to fig. 2, the first pipe joint 1 of the present embodiment includes a first pipe 10, and a first groove ring 11 and a second groove ring 12 disposed on the outer periphery of the first pipe 10. The first pipe joint 1 is provided with an annular groove 13 clamped with the clamping ring 2. The groove body between the first groove ring 11 and the second groove ring 12 constitutes the annular groove 13. When the assembly personnel application of force was enclosed 2 in the joint, the joint enclosed 2 corresponding production deformation for the ring channel 13 of first coupling 1 can the joint with separate in joint encloses 2.

Referring to fig. 2 and 3, the clamping ring 2 of the present embodiment includes a first clamping ring 21, a second clamping ring 22, and a connecting arm 23 connecting the first clamping ring 21 and the second clamping ring 22. The first snap ring 21 of the snap ring 2 is snapped with the annular groove 13 of the first pipe joint 1 to assemble the first pipe joint 1; the second snap ring 22 of the snap ring 2 is snapped on the second pipe joint 3 to assemble the second pipe joint 3. The second snap ring 22 is kept in a fixed connection with the second pipe joint 3 during normal use, and the second snap ring 22 is separated from the second pipe joint 3 unless the snap ring 2 is replaced. When the quick coupling of this embodiment is used normally, the first snap ring 21 can be clamped and separated from the annular groove 13, so that the first pipe joint 1 and the second pipe joint 3 can be assembled and disassembled. This quick-operation joint passes through the connected mode of joint and realizes the equipment and the dismantlement between first coupling and the second coupling to can prevent that first coupling pine from taking off in the second coupling, increase structural firmness.

Referring to fig. 3 and 4, in the embodiment, the first snap ring 21 includes a first ring body 211 clamped on the annular groove 13, a first latch 212 disposed on the first ring body 211 and clamped with the annular groove 13, a limiting block 213 fixedly connected to the first latch 212 and capable of moving along a radial direction of the first latch 212, and a pressing block 214 for controlling the first ring body 211 to deform and driving the first latch 212 to move outward along the radial direction. First fixture block 212 and stopper 213 are fixed and set up in the inboard of stopper 213, and first fixture block 212 and annular groove 13 joint, and assembly personnel's application of force in pressing block 214 can make first snap ring 21 produce deformation and control the activity of first fixture block 212 with the change position, makes first fixture block 212 joint or separate in annular groove 13 correspondingly. The quantity of pressing the piece 214 is two, and two are pressed the relative both ends that set up at first ring body 211 longitudinal direction of piece 214, through two common application of force of pressing the piece 214, are favorable to increasing the deformation degree of joint circle 2. The number of the limiting blocks 213 is two, and the two limiting blocks 213 are oppositely arranged at two ends of the first ring body 211 in the transverse direction so as to correspondingly arrange the two first clamping blocks 212, and the two first clamping blocks 212 are clamped in the annular groove 13 to improve the assembling reliability.

Referring to fig. 4, the direction indicated by the arrow at the pressing block 214 in fig. 4 is the force-bearing direction of the pressing block 214; the direction indicated by the arrow at the stopper 213 is the moving direction of the stopper 213 and the first latch 212. The snap ring 2 has plasticity, which is interpreted as a property that a substance is deformed without being broken under an external force or a high temperature or the like. An assembler presses the two pressing blocks 214 on the first snap ring 21 by hands, the two pressing blocks 214 are pressed towards the middle after being stressed, the first ring body 211 of the snap ring 2 deforms, the two limiting blocks 213 are enabled to move outwards along the radial direction respectively, and the two first clamping blocks 212 move outwards along with the corresponding limiting blocks 213; after the two pressing blocks 214 are pressed, when the distance between the two pressing blocks 214 is closer and closer, the distance between the two first fixture blocks 212 is further and further away, so that a gap for the second groove ring 12 of the first pipe joint 1 to pass through is formed between the two first fixture blocks 212, and at this time, the annular groove 13 of the first pipe joint 1 can be clamped or separated from the two first fixture blocks 212; on the contrary, when the user releases the acting force applied to the two pressing blocks 214, the snap ring 2 will return to the original shape, the gap space between the two first blocks 212 will be reduced, the second groove ring 12 cannot pass through, at this time: if the annular groove 13 is clamped with the two first clamping blocks 212, the first pipe joint 1 is assembled on the second pipe joint 3; if the annular groove 13 is disengaged from the two first latches 212, the first pipe joint 1 is detached from the second pipe joint 3.

Referring to fig. 3, 5 and 6, in the present embodiment, the second pipe joint 3 is provided with a clamping groove 31 (as shown in fig. 6) for clamping the second clamping ring 22. The second snap ring 22 comprises a second ring body 221 embedded in the inner cavity of the second pipe joint 3, and a second fixture 222 arranged on the second ring body 221 and clamped with the fixture groove 31. The second latch 222 is disposed corresponding to the stopper 213, and the second latch 222 is disposed on the outer side of the second ring body 221 and at the lower end of the connecting arm 23. The second latch 222 is mutually latched with a latch groove 31 arranged inside the second pipe joint 3, and the latch groove 31 is concavely arranged on the inner wall of the second pipe joint 3. When the bottom of the clamping ring 2 is installed inside the second pipe joint 3, the second clamping block 222 is clamped in the clamping groove 31. The clamping ring 2 and the second pipe joint 3 are fixedly connected by clamping the clamping groove 31 and the second clamping block 222 in a clamped mode.

Referring to fig. 1 to 3, the second pipe joint 3 includes a clamping portion cooperating with the first ring body 211. One end of the clamping portion close to the first pipe joint 1 is provided with a first groove 32 for matching installation of the limiting block 213 and a second groove 33 for matching installation of the pressing block 214. The number of the first grooves 32 and the second grooves 33 is two, and the two first grooves 32 and the two second grooves 33 are arranged in a staggered manner to be respectively matched with and provided with two limit blocks 213 and two pressing blocks 214. When the second latch 222 is latched to the latch slot 31, the latch ring 2 is fixedly connected to the second pipe joint 3, the stopper 213 of the first snap ring 21 is latched in the first groove 32, and the pressing block 214 of the first snap ring 21 is latched in the second groove 33. The inner cavity of the second coupling 3 is provided with a guide groove 34 (shown in fig. 5) for facilitating the introduction of the first coupling 1 from the top to the bottom and defining the fitting position of the first coupling 1. The second pipe joint 3 includes a second pipe body 38 and a third pipe body 39 bent oppositely. The clamping portion is located on the second tube 38.

In this embodiment, when the user applies force to the two pressing blocks 214, the first ring body 211 deforms, the two limiting blocks 213 correspondingly move outwards along the first groove 32, and the two first locking blocks 212 correspondingly separate from the annular groove 13. The corner end of the stopper 213 connected to the first ring body 211 is provided with an arc-shaped groove 215 (as shown in fig. 4) for facilitating the stopper 213 to move outwards in the first groove 32.

Referring to fig. 2 and 6, the locking groove 31 is located inside the second pipe joint 3 and away from the first pipe joint 1. The bottom of the first recess 32 extends along the inner wall of the second pipe joint 3 in a direction inclined toward the locking groove 31 to form an introduction groove 35 for allowing the second locking block 222 to be locked to the locking groove 31. The guiding groove 35 is located at the upper end of the clamping groove 31, when the first pipe joint 1 is assembled on the second pipe joint 3, the clamping ring 2 is firstly assembled on the second pipe joint 3, an assembling worker pushes the clamping ring 2 to move towards the inside of the second pipe joint 3, the inclined guiding groove 35 facilitates the clamping connection of the second clamping block 222 and the clamping groove 31, correspondingly, the limiting block 213 is clamped in the first groove 32, and the pressing block 214 is clamped in the second groove 33.

Referring to fig. 5 and 6, in the present embodiment, the inner end of the locking groove 31 is provided with a limiting step 36 for preventing the locking ring 2 from being excessively assembled to the second pipe joint 3. The limit step 36 is provided corresponding to the card slot 31. The inner diameter of the limiting step 36 is smaller than the inner diameter of the second ring body 221, and when the second ring body 221 of the snap ring 2 is assembled inside the second pipe joint 3, the limiting step 36 prevents the second snap ring 22 from continuously moving to the bottom of the second pipe joint 3.

Referring to fig. 5 and 6, in the embodiment, the inner cavity of the second pipe joint 3 is provided with a sealing ring 4 sleeved on the periphery of the first pipe body 1. The inner cavity of the second pipe connector 3 has a sealing groove 37 for receiving the sealing ring 4. The seal ring 4 is located on the inner side of the snap ring 2. The outer edge of the sealing ring 4 is tightly attached to the sealing groove 37, and the inner edge of the sealing ring 4 is tightly attached to the outer circumferential surface of the first pipe joint 1. The seal groove 37 is provided below the snap groove 31, and the seal ring 4 prevents water from leaking at the joint between the first pipe joint 1 and the second pipe joint 3.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; therefore, although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. A quick coupling, its characterized in that: the pipe joint comprises a first pipe joint, a second pipe joint sleeved with the first pipe joint and a clamping ring for detachably assembling the first pipe joint on the second pipe joint, wherein the clamping ring is embedded in the second pipe joint and sleeved on the periphery of the first pipe joint;

the joint circle includes first snap ring, second snap ring and connects the linking arm of first snap ring and second snap ring, first coupling is equipped with the ring channel with first snap ring joint, the second coupling is equipped with the draw-in groove with second snap ring joint.

2. The quick connector of claim 1, wherein: the first pipe joint comprises a first pipe body, a first groove ring and a second groove ring, wherein the first groove ring and the second groove ring are arranged on the periphery of the first pipe body, and the groove body between the first groove ring and the second groove ring forms the annular groove.

3. The quick connector of claim 2, wherein: the first clamping ring comprises a first ring body clamped on the annular groove, a first clamping block arranged on the first ring body and clamped with the annular groove, a limiting block fixedly connected with the first clamping block and capable of moving along the radial direction of the first clamping block, and a pressing block used for controlling the first ring body to deform and enabling the first clamping block to move outwards along the radial direction.

4. The quick connector of claim 3, wherein: the limiting blocks and the pressing blocks are respectively two in number, the two limiting blocks are oppositely arranged at two ends of the first ring body in the transverse direction, and the two pressing blocks are oppositely arranged at two ends of the first ring body in the longitudinal direction.

5. The quick connector of claim 4, wherein: the clamping groove is concavely arranged on the inner wall of the second pipe joint, and the second clamping ring comprises a second ring body embedded in the inner cavity of the second pipe joint and a second clamping block arranged on the second ring body and clamped with the clamping groove.

6. The quick connector of claim 5, wherein: the second coupling include with first ring body complex joint portion, the one end that joint portion is close to in first coupling is equipped with the cooperation installation the first recess and the cooperation installation of stopper press the second recess of pressing the piece.

7. The quick connector of claim 6, wherein: the position of the clamping groove corresponds to the position of the first groove, and the groove bottom of the first groove extends obliquely along the inner wall of the second pipe joint towards the direction of the clamping groove so as to form a leading-in groove for clamping the second clamping block in the clamping groove.

8. The quick connector of claim 6, wherein: the second pipe joint comprises a second pipe body and a third pipe body which are bent oppositely, and the clamping portion is located on the second pipe body.

9. The quick connector of claim 6, wherein: the corner end of the limiting block connected with the first ring body is provided with an arc-shaped groove which is convenient for the limiting block to move outwards in the first groove.

10. The quick connector of claim 6, wherein: the inner cavity of the second pipe joint is provided with a sealing ring sleeved on the periphery of the first pipe body, and the sealing ring is positioned on the inner side of the clamping ring.