CN210739651U

CN210739651U - Quick connector for traction pipe

Info

Publication number: CN210739651U
Application number: CN201921546178.0U
Authority: CN
Inventors: 张艳平; 严常军; 刘柱云; 程万发; 曾小雨; 夏祥山; 喻春林
Original assignee: Hubei Wanjin Technology Co ltd
Current assignee: Hubei Wanjin Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-12
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a traction tube quick-operation joint belongs to the plastic tubing and pulls technical field. The quick connector of the traction pipe comprises a female connector connected to one end of the traction pipe and a male connector connected to one end of a pulled pipe, wherein the female connector is of a circular pipe structure matched with the inner wall of the traction pipe, one end of the female connector, which is close to the male connector, is coaxially provided with a first flange, and the other end of the female connector is a connecting end and is inserted and fixed in the traction pipe; the male connector is of a round pipe structure smaller than the female connector, a second flange matched with the first flange is coaxially arranged in the middle of the male connector, one end, close to the female connector, of the second flange is inserted into the female connector, a small convex ring in clearance fit with the inner wall of the female connector is coaxially arranged at the end of the second flange, the other end of the second flange is inserted and fixed into the pulled pipe, a large convex ring matched with the inner wall of the pulled pipe is coaxially arranged at the end of the second flange, the first flange and the second flange are tightly abutted together, and corresponding flange holes in the first flange and the second flange are fixed through bolts. The quick joint structure of the traction pipe is simple, easy to operate and stable in connection.

Description

Quick connector for traction pipe

Technical Field

The utility model relates to a plastic tubing pulls technical field, concretely relates to traction tube quick-operation joint especially relates to a traction tube quick-operation joint for large-scale pipe fitting.

Background

Plastics tubular product all will lean on the traction tube to pull when extruding just can carry out the extrusion molding production, the traction tube links together the back with the tubular product of waiting to extrude, gives the invariable traction force of tubular product through the tractor, guarantees the normal extrusion of tubular product.

Chinese patent CN201979684U discloses a traction tube, including the body, its characterized in that: and the female joint and the male joint are respectively arranged at two ends of the pipe body, and the internal thread of the female joint is matched with the external thread of the male joint. But increase the sub-joint and the female joint of loose joint at every traction tube both ends, connect through sub-joint and female joint between the pipe, solved and used the hot melt connected mode to cause the waste of manpower, material resources and the problem of inefficiency. However, the threaded connection mode adopted by the scheme needs to rotate the pipe body, and is still very inconvenient for the traction of large pipes.

Therefore, in order to solve the above technical problems, it is necessary to provide a quick connector suitable for large pipe traction.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a traction tube quick-operation joint, this traction tube quick-operation joint simple structure, easily operation, and connect firmly. The technical scheme is as follows:

the embodiment of the utility model provides a traction tube quick connector, which comprises a female connector 2 connected to one end of a traction tube 1 and a male connector 4 connected to one end of a pulled tube 3, wherein the traction tube 1, the female connector 2, the pulled tube 3 and the male connector 4 are coaxially arranged; the female joint 2 is a circular tube structure matched with the inner wall of the traction tube 1, one end of the female joint close to the male joint 4 is coaxially provided with a first flange 21, and the other end of the female joint is a connecting end 22 and is inserted and fixed in the traction tube 1; the male joint 4 is a circular tube structure smaller than the female joint 2, a second flange 41 matched with the first flange 21 is coaxially arranged at the middle part of the male joint, one end of the male joint close to the female joint 2 is inserted into the female joint 2, a small convex ring 43 in clearance fit with the inner wall of the female joint 2 is coaxially arranged at the end part of the male joint, the other end of the male joint is inserted and fixed in the pulled pipe 3, a large convex ring 42 matched with the inner wall of the pulled pipe 3 is coaxially arranged at the end part of the male joint, and the first flange 21 and the second flange 41 are abutted together, and corresponding flange holes are fixed with nuts through bolts.

Wherein, the embodiment of the present invention provides a connection end 22 and an inner wall clearance fit of the traction tube 1 and fixed by adhesive or hot melt.

Wherein, the big convex ring 42 in the embodiment of the present invention is in clearance fit with the inner wall of the pulled pipe 3 and fixed by the adhesive or hot melt.

In the embodiment of the present invention, the outer diameter of the convex ring 42 having the larger outer diameter of the second flange 41 is smaller.

Wherein, the thickness of the small convex ring 43 of the large convex ring 42 in the embodiment of the present invention is large.

Wherein, the utility model provides an in the embodiment of the utility model the length of female joint 2 be greater than the distance between little bulge loop 43 and the second ring flange 41, the distance between second ring flange 41 and little bulge loop 43 and the big bulge loop 42 between all be greater than 2 cm.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

1. the utility model discloses simple structure, convenient operation can link together the ring flange through bolt and nut, need not rotate tubular product, makes things convenient for pulling of large-scale tubular product.

2. The utility model discloses the little bulge loop of well male joint can stretch into and tightly hug closely on the inner wall that leans on female joint, leaves the determining deviation between little bulge loop and the second ring flange moreover, and male joint and female joint connection are and be difficult for rocking on same center pin like this for tubular product draws straight steady more.

3. The utility model discloses leave the determining deviation between the big bulge loop of well male joint and the second ring flange, such design makes things convenient for the installation of bolt and nut.

Drawings

Fig. 1 is an exploded view of a quick coupling for a traction tube according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a quick coupling for a traction tube according to an embodiment of the present invention.

In the figure: 1, 2, 3, 4, 21, 22, 41, 42, 43 and 43.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the embodiment of the utility model provides a traction tube quick-operation joint, including connecting at the female joint 2 of 1 one end of traction tube and connecting at the male joint 4 by 3 one ends of traction tube, traction tube 1, female joint 2, by the equal coaxial setting of traction tube 3 and male joint 4, the internal diameter of traction tube 1 is less than by traction tube 3. The female joint 2 is a circular tube structure (coaxial with the traction tube 1) matched with the inner wall of the traction tube 1, a first flange 21 is coaxially arranged at one end of the female joint close to the male joint 4, and a connecting end 22 (circular tube) is arranged at the other end of the female joint in an inserting mode and fixed in the traction tube 1. The male joint 4 is a circular tube structure smaller than the female joint 2 (the outer diameter of the circular tube structure forming the male joint 4 is smaller than the inner diameter of the circular tube structure forming the female joint 2 and is coaxial with the pulled pipe 3), the middle part of the male joint is coaxially provided with a second flange 41 matched with the first flange 21, one end of the male joint close to the female joint 2 is inserted into the female joint 2, the end part of the male joint is coaxially provided with a small convex ring 43 in clearance fit with the inner wall of the female joint 2, the other end of the male joint is inserted and fixed into the pulled pipe 3, and the end part of the male joint is coaxially provided with a large convex ring 42 matched with the inner wall. The first flange 21 and the second flange 41 are abutted together and corresponding flange holes are fixed through bolts and nuts. Wherein, the female connector 2 and the male connector 4 are both manufactured by integral forming.

Wherein, the embodiment of the present invention provides a connection end 22 and an inner wall clearance fit of the traction tube 1 and fixed by glue or hot melt.

Wherein, the big convex ring 42 in the embodiment of the utility model is in clearance fit with the inner wall of the pulled pipe 3 and fixed by glue or hot melt and the like.

Wherein, the thickness of the smaller convex ring 43 of the thickness of the large convex ring 42 in the embodiment of the present invention is large to ensure the fastening stability.

Wherein, the utility model discloses the length of female joint 2 in the embodiment is greater than the distance between little bulge loop 43 and the second ring flange 41 (in order to guarantee the effect of little bulge loop 43), the distance between second ring flange 41 and little bulge loop 43 and the distance between big bulge loop 42 all be greater than 2cm so that operate.

During the use, with the link 22 fixed connection of box 2 on the traction tube 1, with the big bulge loop 42 fixed connection of male joint 4 on being hauled the pipe 3, aim at the second ring flange 41 of male joint 4 with the first ring flange 21 of box 2, slow horizontal migration traction tube 1, make in the little bulge loop 43 of male joint 4 inserts the hollow structure of box 2, treat first ring flange 21 and second ring flange 41 butt joint completion back, wear into the screw with the bolt from one side of second ring flange 41, then tighten the nut one by one, accomplish traction tube 1 and by being connected of traction tube 3.

In this embodiment, "first" and "second" only have a distinguishing function, and have no other special meaning.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick connector of a traction pipe comprises a female connector (2) connected to one end of the traction pipe (1) and a male connector (4) connected to one end of a pulled pipe (3), wherein the traction pipe (1), the female connector (2), the pulled pipe (3) and the male connector (4) are coaxially arranged; the method is characterized in that: the female joint (2) is of a circular tube structure matched with the inner wall of the traction tube (1), one end of the female joint close to the male joint (4) is coaxially provided with a first flange (21), and the other end of the female joint is a connecting end (22) and is inserted and fixed in the traction tube (1); the male connector (4) is of a circular tube structure smaller than the female connector (2), a second flange (41) matched with the first flange (21) is coaxially arranged in the middle of the male connector, one end, close to the female connector (2), of the male connector is inserted into the female connector (2), a small convex ring (43) in clearance fit with the inner wall of the female connector (2) is coaxially arranged at the end of the male connector, the other end of the male connector is inserted and fixed in the pulled pipe (3), a large convex ring (42) matched with the inner wall of the pulled pipe (3) is coaxially arranged at the end of the male connector, the first flange (21) and the second flange (41) are abutted together, and corresponding flange holes in the first flange and the second flange are fixed with nuts through bolts.

2. The pull tube quick connector of claim 1, wherein: the connecting end (22) is in clearance fit with the inner wall of the traction tube (1) and fixed through adhesive or hot melting.

3. The pull tube quick connector of claim 1, wherein: the large convex ring (42) is in clearance fit with the inner wall of the pulled pipe (3) and is fixed by adhesive or hot melting.

4. The pull tube quick connector of claim 1, wherein: the outer diameter of the second flange plate (41) is smaller than that of the convex ring (42).

5. The pull tube quick connector of claim 1, wherein: the thickness of the large convex ring (42) is larger than that of the small convex ring (43).

6. The pull tube quick connector of claim 1, wherein: the length of the female joint (2) is larger than the distance between the small convex ring (43) and the second flange plate (41), and the distance between the second flange plate (41) and the small convex ring (43) and the distance between the second flange plate and the large convex ring (42) are both larger than 2 cm.