CN210890529U - Quick-dismantling type quick connector with high performance - Google Patents

Abstract

A quick-release quick connector with high performance comprises a body and inner connecting pipes arranged on the left side and the right side of the body, wherein the inner connecting pipes are communicated with the body, and the outer walls of the left part and the right part of the body are provided with external threads; the left part and the right part of the body are both in threaded connection with an outer pipe sleeve through external threads; the edge of the end faces of the left end and the right end of the body are provided with a plurality of tightening plates which are uniformly distributed in the circumferential direction, and the tightening plates are positioned in the outer pipe sleeve; the side of the pressing plate opposite to the inner wall of the outer pipe sleeve is provided with a conical surface, and the thickness of the pressing plate gradually increases towards the direction of the body; the outer pipe sleeve comprises a screwed part screwed with the external thread and a fastening part tightly attached to the conical surface; the outer diameter of the inner connecting pipe is smaller than that of the body, and the inner connecting pipe is enclosed by the pressing plate. The utility model discloses a quick detach formula quick-operation joint with high performance can effectively avoid the interconnection to take over because the atress excessively leads to the condition of deformation damage when guaranteeing fastening force.

Description

Quick-dismantling type quick connector with high performance

Technical Field

The utility model relates to a quick-operation joint, especially a quick detach formula quick-operation joint with high performance.

Background

The quick connector is a device capable of quickly connecting two different pipelines, the traditional quick connector is much higher in efficiency than a common connector connecting pipeline, the position of the quick connector for connecting the pipelines is generally provided with an inner connecting pipe and an outer sleeve, the pipeline to be connected is sleeved outside the inner connecting pipe, and the outer sleeve is sleeved on the pipeline to be connected, so that the pipeline to be connected is compressed on the inner connecting pipe, the fastening of the pipeline to be connected is realized, but in the actual connection process, the deformation of the inner connecting pipe is easily caused by strong fastening force, the inner connecting pipe is difficult to butt joint with the pipeline to be connected, the connection efficiency is seriously influenced, even the connection is impossible, if the deformation of the inner connecting pipe is avoided by weakening the fastening force, the condition that the pipeline to be connected is loosened is easily caused, and accidents are easily caused.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a quick detach formula quick-operation joint with high performance, it can be when guaranteeing fastening force, effectively avoid the interconnection to take over because the atress excessively leads to the condition of deformation damage.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a quick detach formula quick-operation joint with high performance, including the body, locate the interconnection of the body left and right sides and take over, the interconnection is taken over and is link up its characterized in that mutually with the body: the outer wall of the left part and the outer wall of the right part of the body are both provided with external threads; the left part and the right part of the body are both in threaded connection with an outer pipe sleeve through external threads; the edge of the end faces of the left end and the right end of the body are provided with a plurality of tightening plates which are uniformly distributed in the circumferential direction, and the tightening plates are positioned in the outer pipe sleeve; the side of the pressing plate opposite to the inner wall of the outer pipe sleeve is provided with a conical surface, and the thickness of the pressing plate gradually increases towards the direction of the body; the outer pipe sleeve comprises a screwed part screwed with the external thread and a fastening part tightly attached to the conical surface; the outer diameter of the inner connecting pipe is smaller than that of the body, the inner connecting pipe is enclosed by the pressing plate, and an insertion gap is formed between the inner connecting pipe and the pressing plate; a support rod is arranged in the inner connecting pipe; the support rods are connected with the inner wall of the inner connecting pipe through a plurality of support rods which are uniformly distributed on the circumference; the supporting rod is in a square column shape, and the outer wall of the supporting rod is provided with a plurality of buffer devices matched with the inner wall of the inner connecting pipe; the buffer device comprises a buffer plate attached to the inner wall of the inner connecting pipe; and a spring is arranged between the buffer plate and the support rod.

The buffer device comprises a piston cylinder arranged on the support rod; a limiting ring is arranged at the cylinder opening of the piston cylinder; a piston attached to the limiting ring is arranged in the piston cylinder; the middle part of the piston is connected with a piston rod, and the piston rod outwards passes through the inner hole of the limiting ring and is connected with the middle part of the buffer plate; the spring is sleeved outside the piston rod and the piston cylinder.

The outer pipe sleeve outer wall is provided with a plurality of evenly distributed skid-proof convex blocks.

The upper side and the lower side of one end of the outer pipe sleeve, which is far away from the body, are provided with labor-saving plates which are symmetrical to each other.

The utility model has the advantages that:

compared with the prior art, the quick-release type quick connector with high performance adopting the structure of the utility model can lead the pipeline to be connected to be sleeved outside the inner connecting pipe after the pipeline to be connected is inserted into the insertion gap, then the outer sleeve can be rotated to move the outer sleeve towards the middle part of the body, at the moment, the fastening force between the pressing plate and the inner connecting pipe can be continuously improved, and finally the fastening of the pipeline to be connected is realized, the outer sleeve is connected with the body through threads, so that the outer sleeve can be positioned immediately when stopping rotating, the condition that pipelines needing to be connected are loosened is effectively avoided, and under the strong support formed by the support rod and the support rod, the condition that the fastening force of the outer pipe sleeve is overlarge to cause the deformation of the inner connecting pipe is not needed to be worried, and the existence of the buffer device can further avoid the situation that the deformation and the damage are caused by the overstress of the inner connecting pipe.

Drawings

Fig. 1 is a schematic structural view of a quick release coupling with high performance according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 and 2, the present invention provides a quick release type quick connector with high performance, which includes a body 1 and inner connecting pipes 2 disposed on the left and right sides of the body 1, wherein the inner connecting pipes 2 are communicated with the body 1, and the outer walls of the left and right portions of the body 1 are both provided with external threads 3; the left part and the right part of the body 1 are both in threaded connection with an outer sleeve 4 through external threads 3; the end surface edges of the left end and the right end of the body 1 are provided with a plurality of tightening plates 5 which are uniformly distributed in the circumferential direction, and the tightening plates 5 are positioned in the outer pipe sleeve 4; a conical surface 6 is arranged on one side of the pressure plate 5 opposite to the inner wall of the outer sleeve 4, and the thickness of the pressure plate 5 gradually increases towards the body 1; the outer pipe sleeve 4 comprises a screwed part 7 screwed with the external thread 3 and a fastening part 8 tightly attached to the conical surface 6; the outer diameter of the inner connecting pipe 2 is smaller than that of the body 1, the inner connecting pipe 2 is enclosed by the pressing plate 5, and an insertion gap 9 is formed between the inner connecting pipe 2 and the pressing plate 5; a support rod 10 is arranged in the inner connecting pipe 2; the support rods 10 are connected with the inner wall of the inner connecting pipe 2 through a plurality of support rods 11 which are uniformly distributed on the circumference; the support rod 10 is in a square column shape, and the outer wall of the support rod 10 is provided with a plurality of buffer devices matched with the inner wall of the inner connecting pipe 2; the buffer device comprises a buffer plate 12 attached to the inner wall of the inner connecting pipe 2; a spring 13 is arranged between the buffer plate 12 and the support rod 10.

The buffer device comprises a piston cylinder 14 arranged on the support rod 10; a limiting ring 15 is arranged at the opening of the piston cylinder 14; a piston 16 attached to the limit ring 15 is arranged in the piston cylinder 14; the middle part of the piston 16 is connected with a piston rod 17, and the piston rod 17 outwards passes through the inner hole of the limiting ring 15 and is connected with the middle part of the buffer plate 12; the spring 13 is sleeved outside the piston rod and the piston cylinder 14.

The outer wall of the outer pipe sleeve 4 is provided with a plurality of evenly distributed anti-skid lugs 18.

The upper side and the lower side of one end of the outer pipe sleeve 4 far away from the body 1 are provided with labor-saving plates 19 which are symmetrical to each other.

The utility model discloses a use method as follows:

when the pipeline is required to be connected with other pipelines, the pipeline can be directly inserted outside the internal connecting pipe 2, the pipeline enters the insertion gap 9 between the internal connecting pipe 2 and the pressure plate 5 at the moment, even if the wall thickness of the pipeline is greater than the insertion gap 9, the pressure plate 5 is not connected but is uniformly distributed on the circumference, so the pressure plate 5 can deform to a certain degree, under the condition that the wall thickness of the pipeline is greater than the insertion gap 9, the pipeline can be rapidly inserted into the insertion gap 9 under the extrusion of external force, after the end part of the pipeline is sleeved outside the internal connecting pipe 2, a worker can fasten the pipeline, when the pipeline is fastened, only the outer pipe sleeve 4 needs to be rotated towards the body 1, at the moment, the screwed part 7 drives the outer pipe sleeve 4 to be close to the body 1 along the track of the external thread 3, and the fastening part 8 of the outer pipe sleeve 4 is tightly attached to the conical surface 6 of, the thickness of holddown plate 5 progressively increases up towards body 1 direction gradually, consequently when the portion of fastening 8 is close to body 1 more, the degree that the portion of fastening 8 extrudees conical surface 6 is just big more, and holddown plate 5 is just big more towards the degree that 2 directions of in-connection pipe warp, and the pipeline that lies in insertion clearance 9 at this moment then can be sticis on the 2 outer walls of in-connection pipe by the holddown plate 5 of deformation, in order to guarantee the fastening power, the staff can rotate outer pipe box 4 and make it be close to towards body 1 middle part as far as possible.

The existence of the support rod 10 and the support rod 11 enables the inner wall of the inner connecting pipe 2 which is originally in a hollow state to obtain strong support, the strength of the inner connecting pipe 2 is effectively improved, larger force can be borne, the situation that the inner connecting pipe 2 is deformed and damaged due to overlarge fastening force of the outer sleeve 4 is effectively avoided, a buffer device is arranged between the support rod 10 and the inner wall of the inner connecting pipe 2, the buffer device can buffer the force borne by the inner connecting pipe 2 in the first time that the force borne by the inner connecting pipe 2 exceeds the self bearing range, the situation that the inner connecting pipe 2 is damaged due to excessive deformation is effectively avoided, the inner connecting pipe 2 can be assisted to be quickly restored to the original state after the inner connecting pipe 2 is deformed, when the inner connecting pipe 2 is deformed towards the inner direction, the inner wall of the inner connecting pipe 2 can extrude the buffer plate 12, and the buffer plate 12 moves towards the support rod, at this moment, the buffer plate 12 drives the piston 16 to move towards the bottom of the piston cylinder 14 through the piston rod 17, in the moving process of the piston 16, the gas in the piston cylinder 14 is continuously extruded, the air pressure in the piston cylinder 14 is gradually increased, the air pressure can resist the force borne by the inner connecting pipe 2, the buffering effect is realized, when the buffer plate 12 moves towards the direction of the support rod 10, the spring 13 is extruded, the spring 13 generates elasticity along with the air pressure, the high pressure in the piston cylinder 14 is matched to buffer the force borne by the inner connecting pipe 2, the buffering effect is ensured to the maximum extent, and when the outer pipe sleeve 4 is not fastened again, the elasticity of the spring 13 and the high pressure in the piston cylinder 14 can help the inner connecting pipe 2 to restore to the original state at the first time.

In conclusion, can know, the utility model discloses insert back in inserting clearance 9 in the pipeline that will connect, alright make the pipeline cover that needs to connect outside interconnection pipe 2, then can rotate outer pipe box 4, make outer pipe box 4 remove towards body 1 middle part direction, fastening force between 5 and the interconnection pipe 2 of clamp plate then can constantly improve this moment, finally realize the fastening of the pipeline that needs to connect, and be threaded connection between outer pipe box 4 and the body 1, just can realize instant location when outer pipe box 4 stops rotating, effectively avoid the pipeline that needs to connect the not hard up condition to appear, and under the powerful support that cradling piece 10 and bracing piece 11 formed, need not to worry that the too big condition that leads to the deformation of interconnection pipe 2 of outer pipe box 4 fastening force, and buffer's existence can further avoid interconnection pipe 2 atress excessively to lead to the condition of deformation damage.

The outer pipe sleeve 4 outer wall is equipped with a plurality of evenly distributed's skid proof blocks 18, and the existence of skid proof blocks 18 can effectively increase the frictional force between hand and the outer pipe sleeve 4, does benefit to the rotation of outer pipe sleeve 4, and both sides are equipped with laborsaving board 19 each other for the symmetry about the one end that body 1 was kept away from to outer pipe sleeve 4, and the arm of force of outer pipe sleeve 4 has been prolonged in the existence of laborsaving board 19, can more easily become flexible or realize sticising of outer pipe sleeve 4 to outer pipe sleeve 4.

Claims (4)

1. The utility model provides a quick detach formula quick-operation joint with high performance, includes the body, locates the in-connection pipe of the body left and right sides, and the in-connection pipe link up its characterized in that mutually with the body: the outer wall of the left part and the outer wall of the right part of the body are both provided with external threads; the left part and the right part of the body are both in threaded connection with an outer pipe sleeve through external threads; the edge of the end faces of the left end and the right end of the body are provided with a plurality of tightening plates which are uniformly distributed in the circumferential direction, and the tightening plates are positioned in the outer pipe sleeve; the side of the pressing plate opposite to the inner wall of the outer pipe sleeve is provided with a conical surface, and the thickness of the pressing plate gradually increases towards the direction of the body; the outer pipe sleeve comprises a screwed part screwed with the external thread and a fastening part tightly attached to the conical surface; the outer diameter of the inner connecting pipe is smaller than that of the body, the inner connecting pipe is enclosed by the pressing plate, and an insertion gap is formed between the inner connecting pipe and the pressing plate; a support rod is arranged in the inner connecting pipe; the support rods are connected with the inner wall of the inner connecting pipe through a plurality of support rods which are uniformly distributed on the circumference; the supporting rod is in a square column shape, and the outer wall of the supporting rod is provided with a plurality of buffer devices matched with the inner wall of the inner connecting pipe; the buffer device comprises a buffer plate attached to the inner wall of the inner connecting pipe; and a spring is arranged between the buffer plate and the support rod.

2. A quick disconnect coupling having high performance according to claim 1, wherein: the buffer device comprises a piston cylinder arranged on the support rod; a limiting ring is arranged at the cylinder opening of the piston cylinder; a piston attached to the limiting ring is arranged in the piston cylinder; the middle part of the piston is connected with a piston rod, and the piston rod outwards passes through the inner hole of the limiting ring and is connected with the middle part of the buffer plate; the spring is sleeved outside the piston rod and the piston cylinder.

3. A quick disconnect coupling having high performance according to claim 1, wherein: the outer pipe sleeve outer wall is provided with a plurality of evenly distributed skid-proof convex blocks.

4. A quick disconnect coupling having high performance according to claim 1, wherein: the upper side and the lower side of one end of the outer pipe sleeve, which is far away from the body, are provided with labor-saving plates which are symmetrical to each other.

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