CN215981379U

CN215981379U - Cutting ferrule formula quick detach connects

Info

Publication number: CN215981379U
Application number: CN202121355742.8U
Authority: CN
Inventors: 唐洪波; 耿成林; 李文伟; 张其先; 沈天阔; 朱旭; 邹小平; 刘鸣宇; 刘增瑞; 吴其尧
Original assignee: Shanghai No1 Machine Tool Works Co ltd; Jiangsu Chnv Instrument Control Engineering Co ltd; China Nuclear Power Engineering Co Ltd
Current assignee: Shanghai No1 Machine Tool Works Co ltd; Jiangsu Chnv Instrument Control Engineering Co ltd; China Nuclear Power Engineering Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-03-08
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a ferrule type quick-release joint which comprises a joint body, a front ferrule, a rear ferrule and a nut, wherein the joint body is provided with a threaded end connected and matched with the nut, the other end of the joint body, corresponding to the threaded end, is provided with an external thread, the joint body is also connected with a circle of fixing sleeve, the fixing sleeve is positioned between the external thread and the threaded end, the fixing sleeve is in a circular ring shape, one side, facing the external thread, of the fixing sleeve is provided with a circle of inserting grooves along the circumferential direction of the fixing sleeve, an external pipeline can be inserted into the inserting grooves of the fixing sleeve in the using process, and the joint body is additionally locked and fixed on the external pipeline by using a stud at the periphery of the fixing sleeve, so that the connection firmness of the fixing sleeve is further improved, and looseness is avoided in the later-stage dismounting process; the draw-in groove of preceding cutting ferrule can support to press and form spacingly on connecting the body to it, avoids preceding cutting ferrule to get into in the assembling process and connects the inside too deeply of body to be difficult to take out.

Description

Cutting ferrule formula quick detach connects

Technical Field

The utility model relates to the field of quick-release joints, in particular to a clamping sleeve type quick-release joint.

Background

The cutting ferrule type pipe joint is a sealed pipe joint suitable for non-corrosive or corrosive media such as oil, water, gas and the like, has more flexible specification requirements of an aluminum plastic pipe for matching, has the characteristics of firm connection, good sealing performance and the like after being connected with a pipeline, and is widely adopted in systems such as oil refining, chemical engineering, light industry, textile, national defense, metallurgy, aviation, ships and the like; it is also suitable for hydraulic transmission pipelines of various mechanical engineering, machine tool equipment and the like.

In the connection process of the ferrule type pipe joint, the pipe joint body generally needs to be fixed on a pipeline firstly and then screwed into the nut at the rear end, but the firmness of the joint body is influenced by the rotation and the disassembly and assembly of the nut at the rear end in the later use process, so that the looseness is caused, and the sealing performance is reduced; in addition conventional cutting ferrule connector is when its connection cooperation, and the atress is great relatively between preceding cutting ferrule and the joint body, and the inside of preceding cutting ferrule supporting under the pressure effect of back cutting ferrule easily and pressing into the joint body is too dark, is difficult to take out when later stage is dismantled to influence its use.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problems, the utility model discloses a clamping sleeve type quick-release joint.

In order to achieve the above purpose, the utility model provides the following technical scheme: a clamping sleeve type quick-release connector comprises a connector body 100, a front clamping sleeve 200, a rear clamping sleeve 300 and a nut 400, wherein the connector body 100 is provided with a threaded end 101 connected and matched with the nut 400, the left side of the connector body 100 corresponding to the threaded end 101 is provided with external threads, a fixing sleeve 102 is formed on the connector body 100 and is positioned between the external threads and the threaded end 101, the fixing sleeve 102 is annular, one side, facing the external threads, of the fixing sleeve 102 is concavely provided with a circle of inserting grooves 121 along the circumferential direction of the fixing sleeve 102, a plurality of studs 122 are uniformly arranged on the periphery of the fixing sleeve 102 in a penetrating manner through the threads, the inner ends of the studs 122 extend into the inserting grooves 121 of the fixing sleeve 102, and the threaded end 101 of the connector body 100 extends outwards to form a circle of inserting pipes 111;

the front cutting sleeve 200 is in a ring shape, and a circle of clamping grooves 201 matched with the insertion tube 111 in an inserting manner are formed in the side part of the front cutting sleeve 200 corresponding to the insertion tube 111;

the rear cutting ferrule 300 is also in a ring shape, the outer wall surface of the rear cutting ferrule 300 is in a conical shape, the minimum diameter of the rear cutting ferrule 300 is smaller than the inner diameter of the front cutting ferrule 200, and the maximum diameter of the rear cutting ferrule 300 is larger than the inner diameter of the front cutting ferrule 200;

when the front ferrule 200 and the rear ferrule 300 are connected and matched, the nut 400 is sleeved on the front ferrule 200 and the rear ferrule 300 and screwed on the threaded end 101, the insertion tube 111 of the threaded end 101 is inserted into the clamping groove 201 of the front ferrule 200, the rear ferrule 300 is inserted into the front ferrule 200, and the inner end of the nut 400 is pressed against the rear ferrule 300 and the front ferrule 200 is pressed against the insertion tube 111 of the connector body 100.

In the above scheme, a circle of rubber ring 123 is arranged in the slot 121 of the fixing sleeve 102, and the inner end of the stud 122 abuts against the outer wall of the rubber ring 123.

In the above scheme, the inner wall of the rubber ring 123 is uniformly provided with a plurality of strip-shaped protrusions along the circumferential direction.

In the above scheme, the insertion tube 111 is in a conical tube shape, the clamping groove 201 is internally provided with an inclined surface matched with the outer wall of the conical tube-shaped insertion tube 111, and the inclined surface is pressed against the outer wall of the insertion tube 111.

In the above scheme, a straight pipe section extends outwards from the external thread on the joint body 100, and a sealing packing ring is sleeved on the straight pipe section.

Compared with the prior art, the utility model has the following advantages: the joint body is connected with a circle of fixed sleeve, the fixed sleeve is provided with a slot matched with an external pipeline, the periphery of the fixed sleeve is uniformly penetrated with a plurality of studs through threads, the external pipeline can be inserted into the slot of the fixed sleeve in the using process and the joint body is locked and fixed on the external pipeline by using the studs on the periphery of the fixed sleeve, so that the connection firmness of the joint body is improved, and the loosening in the later-stage dismounting process is avoided; the lateral part of preceding cutting ferrule corresponds the intubate on the joint body and has seted up the round rather than inserting complex draw-in groove, and when connecting the cooperation, the intubate on the joint body supports to press and forms spacingly in the draw-in groove of preceding cutting ferrule to it, avoids preceding cutting ferrule to get into in the assembling process and connects the body inside too deeply and be difficult to take out.

Drawings

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

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

FIG. 3 is a schematic structural view of a front ferrule;

FIG. 4 is a left side view of FIG. 1;

fig. 5 is a schematic structural view of the rubber ring.

List of reference numerals: 100 connector bodies, 101 threaded ends, 102 fixing sleeves, 111 insertion pipes, 121 insertion grooves, 122 studs, 123 rubber rings, 200 front clamping sleeves, 201 clamping grooves, 300 rear clamping sleeves and 400 nuts.

Detailed Description

The present invention will be further illustrated below with reference to specific embodiments, which are to be understood as merely illustrative and not limitative of the scope of the present invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): referring to fig. 1-5, a ferrule type quick-release joint comprises a joint body 100, a front ferrule 200, a rear ferrule 300 and a nut 400, wherein the joint body 100 is provided with a threaded end 101 connected and matched with the nut 400, and the other end of the joint body 100 corresponding to the threaded end 101 is provided with an external thread for being in threaded connection and matching with an external pipeline;

the joint body 100 is also connected with a circle of fixing sleeve 102, the fixing sleeve 102 and the joint body 100 can be integrally formed or welded and fixed, the fixing sleeve 102 is positioned between the external thread and the thread end 101, the fixing sleeve 102 is annular, one side of the fixing sleeve 102 facing the external thread is provided with a circle of slots 121 along the circumferential direction, the periphery of the fixing sleeve 102 is uniformly penetrated with a plurality of studs 122 through the thread, and the inner ends of the studs 122 extend into the fixing sleeve 102; when the nut 400 is rotated in the later stage, the joint body 100 and the fixing sleeve 102 are synchronously rotated, so that the looseness is avoided and the sealing performance of the joint body 100 is further influenced;

a circle of insertion tubes 111 extend outwards from the threaded end 101 of the joint body 100, the front cutting sleeve 200 is annular, and a circle of clamping grooves 201 which are matched with the insertion tubes 111 in an inserting mode are formed in the side portion of the front cutting sleeve 200 corresponding to the insertion tubes 111; the insertion tube 111 is connected and matched with the clamping groove 201 of the front clamping sleeve 200, the clamping groove 201 of the front clamping sleeve 200 can be pressed on the connector body 100 to limit the connector body, and the front clamping sleeve 200 is prevented from entering the connector body 100 too deeply and being difficult to take out in the assembling process; the front cutting ferrule 200 can be made of red copper with relatively soft texture, and can deform to better fit on the joint body 100 during extrusion to form good sealing;

the rear cutting ferrule 300 is also in a ring shape, the outer part of the rear cutting ferrule 300 is in a cone shape, the minimum diameter of the rear cutting ferrule 300 is smaller than the inner diameter of the front cutting ferrule 200, and the maximum diameter of the rear cutting ferrule 300 is larger than the inner diameter of the front cutting ferrule 200; so that the smallest diameter end of the rear ferrule 300 can be inserted into the front ferrule 200 without completely entering the front ferrule 200;

during connection and matching, the nut 400 is sleeved on the front ferrule 200 and the rear ferrule 300 and screwed on the threaded end 101, the insertion tube 111 of the threaded end 101 is inserted into the clamping groove 201 of the front ferrule 200, the rear ferrule 300 is inserted into the front ferrule 200, and the inner end of the nut 400 is pressed against the rear ferrule 300 and presses the front ferrule 200 against the insertion tube 111 of the connector body 100.

Referring to fig. 4-5, a circle of rubber ring 123 is arranged in the slot 121 of the fixing sleeve 102, and the inner end of the stud 122 is pressed against the outer wall of the rubber ring 123; when in connection and matching, the rubber ring 123 is sleeved on the external pipeline and is abutted against the external pipeline under the action of the stud 122, so that the friction force between the fixing sleeve 102 and the external pipeline is increased, and meanwhile, the rubber ring 123 also has a certain buffering effect and can prevent the stud 122 from damaging the external pipeline in the rotation process;

the inner wall of the rubber ring 123 is uniformly provided with a plurality of strip-shaped protrusions along the circumferential direction, and the plurality of strip-shaped protrusions can further improve the friction force between the rubber ring 123 and the wall of the external pipeline.

The insertion tube 111 is in a conical tube shape, an inclined plane matched with the outer wall of the conical tube-shaped insertion tube 111 is arranged in the clamping groove 201, the inclined plane is pressed on the outer wall of the insertion tube 111 in a propping mode, and the arranged inclined plane can further improve the attaching degree between the clamping groove 201 and the insertion tube 111.

The other end of the joint body 100 opposite to the threaded end 101 extends outwards to form a straight pipe section, a sealing packing ring is sleeved on the straight pipe section, and the sealing packing ring can be made of packing or polytetrafluoroethylene and the like, so that the connection tightness of the sealing packing ring is improved in one step.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a cutting ferrule formula quick detach connects, includes joint body (100), preceding cutting ferrule (200), back cutting ferrule (300) and nut (400), its characterized in that: the connector comprises a connector body (100), a threaded end (101) connected and matched with a nut (400) is arranged on the connector body (100), external threads are arranged on the left side of the connector body (100) corresponding to the threaded end (101), a fixing sleeve (102) is formed on the connector body (100), the fixing sleeve (102) is located between the external threads and the threaded end (101), the fixing sleeve (102) is annular, a circle of slot (121) is formed in one side, facing the external threads, of the fixing sleeve (102) along the circumferential direction of the fixing sleeve, a plurality of studs (122) are uniformly arranged on the periphery of the fixing sleeve (102) in a penetrating mode through threads, the inner ends of the studs (122) extend into the slot (121) of the fixing sleeve (102), and a circle of insertion pipe (111) extends out of the threaded end (101) of the connector body (100);

the front cutting sleeve (200) is annular, and a circle of clamping grooves (201) which are matched with the insertion tube (111) in an inserting mode are formed in the side portion of the front cutting sleeve (200) corresponding to the insertion tube;

the rear cutting sleeve (300) is also in a ring shape, the outer wall surface of the rear cutting sleeve (300) is in a conical shape, the minimum diameter of the rear cutting sleeve (300) is smaller than the inner diameter of the front cutting sleeve (200), and the maximum diameter of the rear cutting sleeve (300) is larger than the inner diameter of the front cutting sleeve (200);

when the nut (400) is connected and matched, the front cutting ferrule (200) and the rear cutting ferrule (300) are sleeved with the nut (400) and screwed into the threaded end (101), the insertion tube (111) of the threaded end (101) is inserted into the clamping groove (201) of the front cutting ferrule (200), the rear cutting ferrule (300) is inserted into the front cutting ferrule (200), and the inner end of the nut (400) is pressed against the rear cutting ferrule (300) and the front cutting ferrule (200) is pressed against the insertion tube (111) of the joint body (100).

2. The ferrule type quick release joint according to claim 1, wherein: a circle of rubber ring (123) is arranged in a slot (121) of the fixed sleeve (102), and the inner end of the stud (122) is pressed against the outer wall of the rubber ring (123).

3. The ferrule type quick release joint according to claim 2, wherein: the inner wall of the rubber ring (123) is uniformly provided with a plurality of strip-shaped bulges along the circumferential direction.

4. The ferrule type quick release joint according to claim 1, wherein: the inserting tube (111) is in a conical tube shape, an inclined plane matched with the outer wall of the conical tube-shaped inserting tube (111) is arranged in the clamping groove (201), and the inclined plane is pressed on the outer wall of the inserting tube (111).

5. The ferrule type quick release joint according to claim 1, wherein: a straight pipe section extends outwards from the external thread position on the joint body (100), and a sealing packing ring is sleeved on the straight pipe section.