CN215981296U

CN215981296U - Plastic steel winding pipe supporting and inserting type joint

Info

Publication number: CN215981296U
Application number: CN202121850086.9U
Authority: CN
Inventors: 韦俊有
Original assignee: Guangxi Jinsheng Technology Development Co ltd
Current assignee: Guangxi Jinsheng Technology Development Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-08
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a supporting and inserting type joint of a plastic steel winding pipe, which comprises a left connecting piece and a right connecting piece which are mutually butted, wherein the butted surfaces of the two connecting pieces are provided with corresponding plugs and slots; the outer end of the connecting piece is provided with an annular connecting groove for inserting the end of the winding pipe, the inner side groove wall of the annular connecting groove is matched with the inner wall of the winding pipe, the outer side groove wall of the annular connecting groove is provided with a radial threaded through hole, and the threaded through hole is provided with a supporting and pressing mechanism capable of applying radial pressure to the winding pipe wall. The utility model provides a supporting and inserting type joint of a plastic steel winding pipe, which can realize quick and stable insertion of the plastic steel winding pipe and ensure better connection stability and airtightness.

Description

Plastic steel winding pipe supporting and inserting type joint

Technical Field

The utility model relates to the technical field of pipe joints, in particular to a plastic steel winding pipe expanding-inserting type joint.

Background

The plastic-steel winding pipe is mainly made of steel-plastic composite strips through spiral winding and welding, has the advantages of smooth inner wall, corrosion resistance, light weight, large flow rate, long service life and the like, and is widely applied to buried drainage projects such as town drainage, industrial drainage and the like. In the engineering construction process, the plastic steel winding pipes are required to be connected to construct a drainage channel.

The existing connection methods mainly comprise an internal electric hot-melting welding method and a clamp connection method. The electric hot melting welding method is a connection method for fusing the contact surfaces of two pipes into a whole by utilizing the high temperature generated after an electric heating element embedded on the surface of a hot melting strip is electrified, the welding quality of the method is easily influenced by factors such as climate, environment, manual operation and the like, and the connection stability of the interface position is poor; and the welding equipment has large volume and weight, the welding process is complex and long in time consumption, and flexible and efficient operation is not facilitated.

The clamp connection method is to connect two plastic steel winding pipes by using a clamp, the clamp is usually formed by combining two semicircular rings, and the splicing positions are connected through bolts. The plastic steel winding pipe is relatively soft in texture and hollow in the interior, and a pipeline is easy to deform when the pipe is clamped by a traditional clamp, so that the sealing property of pipeline connection is reduced; and the clamp is difficult to position, difficult and winding layer snap fit, and locking operation is inconvenient, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a supporting and inserting type joint of a plastic steel winding pipe, which can realize quick and stable insertion of the plastic steel winding pipe and ensure better connection stability and airtightness.

In order to achieve the technical purpose and achieve the technical effects, the utility model solves the problems through the following technical scheme:

the plastic steel winding pipe support-insertion type joint comprises a left connecting piece and a right connecting piece which are mutually butted, wherein the butted surfaces of the two connecting pieces are provided with corresponding plugs and slots; the outer end of the connecting piece is provided with an annular connecting groove for inserting the end of the winding pipe, the inner side groove wall of the annular connecting groove is matched with the inner wall of the winding pipe, the outer side groove wall of the annular connecting groove is provided with a radial threaded through hole, and the threaded through hole is provided with a supporting and pressing mechanism capable of applying radial pressure to the winding pipe wall.

In the above scheme, the winding pipe is inserted into the annular connecting groove of the connecting piece, and the groove wall of one side of the annular connecting groove, which is close to the circle center, is in inserting fit with the inner wall of the winding pipe. The supporting and pressing mechanism is in threaded connection with a radial screw hole through hole formed in the annular connecting groove, inward pressure on the pipe wall of the winding pipe can be applied through the supporting and pressing mechanism, the winding pipe is tightly pressed on the inner side groove wall of the annular connecting groove, and good positioning of the winding pipe and the connecting piece is achieved. The left connecting piece and the right connecting piece of the winding pipe are installed and matched with the slots in an inserting mode through the plugs, and pipeline connection is completed.

Further, prop the pressing mechanism and include the screw thread push rod and prop the clamp plate, the screw thread push rod is connected in the screw thread through-hole of annular spread groove, props the clamp plate and rotates to be connected in screw thread push rod front end butt in the winding pipe. During installation, the threaded push rod is rotated to adjust the front and back positions of the supporting and pressing plate, so that the device is suitable for applying pressing force to winding pipes with different thicknesses.

Furthermore, the inner end pad of the supporting and pressing plate is provided with an elastic gasket, and the elastic gasket can improve the matching degree of the supporting and pressing mechanism and the winding pipe and better apply pressing force.

Furthermore, the supporting and pressing mechanisms are uniformly distributed along the circumference of the side wall of the connecting piece.

Furthermore, the outer wall of the connecting piece is provided with an annular auxiliary connecting groove, and a binding belt is arranged for auxiliary connection; the tightening belt is provided with an annular positioning boss corresponding to the auxiliary connecting grooves on the two sides, and the two ends of the tightening belt are connected in a locking manner through a connecting device. The binding belt is arranged on the butt joint surface of the connecting pieces, so that the connection stability of the connecting pieces on the two sides can be further ensured.

Furthermore, the connecting device comprises a locking hook and a locking hanging hole which are respectively arranged at two ends of the binding belt, and the locking hanging hole is hooked on the locking hook to enable the binding belt to be tightened.

The utility model has the advantages and effects that:

according to the supporting and inserting type joint for the plastic steel wound pipes, the butt joint ends of the two pipes are respectively inserted into the annular connecting grooves of the left connecting piece and the right connecting piece, the supporting and pressing mechanisms are screwed down to be pressed and positioned, and the supporting and pressing mechanisms are arranged to enable the device to be suitable for connection of wound pipes with different thicknesses. The winding pipe and the connecting piece adopt a groove body inserting structure, so that fluid leakage at the connecting part can be better avoided.

The supporting and pressing mechanisms are arranged in a circumferential mode, the head ends of the supporting and pressing mechanisms are of pressing plate type structures, the supporting and pressing mechanisms can be fully and effectively contacted with the outer wall of the winding pipe, and the pressing and pressing mechanisms are suitable for pressing and positioning the corrugated section of the winding pipe.

The connecting pieces are additionally provided with the tightening belts for auxiliary connection on the basis of insertion, and the tightening belts are tightened on the butt joint surfaces of the connecting pieces on the two sides, so that the connection stability of the connecting pieces on the two sides can be further ensured.

Drawings

FIG. 1 is a schematic structural view of a stay-insert type joint of a plastic steel wound pipe according to the present invention;

FIG. 2 is an exploded view of the plastic steel wound pipe spreader-type joint of the present invention;

fig. 3 is a schematic view of the fitting and the winding tube assembled.

And (3) identifying the figure number: 1. the connecting piece, 11, annular connecting groove, 12, screw through hole, 13, auxiliary connecting groove, 2, plug, 3, slot, 4, support and press mechanism, 41, screw push rod, 42, support and press plate, 43, elastic gasket, 5, tie up belt, 51, locking hook, 52, locking hanging hole.

Detailed Description

The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.

In this embodiment the plastic steel winding pipe props formula of inserting and connects, as shown in fig. 1, 2, the main part includes two left and right connecting pieces 1 that dock, and the butt joint face of two connecting pieces 1 sets up corresponding plug 2 and slot 3 respectively, can realize the quick butt joint of both sides connecting piece 1 through plug 2 and slot 3.

As shown in fig. 2, an annular connecting groove 11 for inserting the end of the winding pipe is formed in the end surface of the outward side of the connecting member 1, and an inner groove wall of the annular connecting groove 11 close to the circle center side is in fit insertion connection with the inner wall of the winding pipe. The outer groove wall of the annular connecting groove 11 is provided with a plurality of radial threaded through holes 12 which are uniformly distributed along the circumference, the pressure supporting mechanism 4 is in threaded connection with the threaded through holes 12, the pressure supporting mechanism 4 is used for applying radial pressure to the winding pipe, and the winding pipe and the connecting piece 1 can be locked through radial pressing force.

The pressure supporting mechanism 4 mainly comprises a threaded push rod 41, a pressure supporting plate 42 and an elastic gasket 43, the threaded push rod 41 is in threaded connection with a threaded through hole of the annular connecting groove 11, and a rotating handle convenient to rotate is arranged at the tail end of the threaded push rod 41. The supporting plate 42 is rotatably connected to the front end of the threaded push rod 41, a rotary groove is formed in the back of the supporting plate 42, and the front end of the threaded push rod 41 is locked by a positioning plate and is in rotary fit with the rotary groove. The front end of the supporting plate 42 is padded with an elastic gasket 43, and when the supporting mechanism 4 is screwed down, the elastic gasket 43 is abutted against the winding pipe, so that the winding pipe can be pressed and positioned on the inner groove wall of the annular connecting groove 11. The elastic gasket 43 can be better contacted and positioned with the winding pipe corrugated section, and has higher fitting degree.

As shown in fig. 1 and 2, the outer wall of the connecting piece 1 is provided with an annular auxiliary connecting groove 13, and is provided with a tightening belt 5 for auxiliary connection. The inner side of the binding belt 5 is provided with an annular positioning boss corresponding to the auxiliary connecting grooves 13 on the two sides, the binding belt 5 is wound and bound at the butt joint part of the connecting pieces 1 on the two sides, and the two ends of the binding belt 5 are connected in a locking manner through a connecting device. The connecting device comprises a locking hook 51 and a locking hanging hole 52 which are respectively arranged at two ends of the binding belt 5, the locking hanging hole 52 is hooked on the locking hook 51 during locking, the joint can be hooped tightly through the binding belt 5, and the connecting stability is further improved.

By adopting the supporting and inserting type joint of the plastic steel winding pipe in the embodiment, firstly, the winding pipe is inserted into the annular connecting groove 11 of the connecting piece 1, and the inward pressure of the pipe wall of the winding pipe is applied by the adjusting and supporting mechanism 4 to lock and position the winding pipe and the connecting piece 1. And (3) paving the binding belt 5 on the ground at the connecting position, and butting the two connecting pieces 1 provided with the winding pipes. The binding belt 5 is adjusted to make the inner side boss correspond to the auxiliary connecting grooves 13 on both sides, and the locking hanging hole 52 is hooked on the fastening connecting part of the locking hook 51.

The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model.

Claims

1. The plastic steel winding pipe support-insert type joint is characterized in that: the plug connector comprises a left connecting piece (1) and a right connecting piece (1) which are mutually butted, wherein the butting surfaces of the two connecting pieces (1) are respectively provided with a corresponding plug (2) and a corresponding slot (3); the outer end of the connecting piece (1) is provided with an annular connecting groove (11) for inserting the end of the winding pipe, the inner side groove wall of the annular connecting groove (11) is matched with the inner wall of the winding pipe, the outer side groove wall of the annular connecting groove (11) is provided with a radial threaded through hole (12), and the threaded through hole is assembled with a supporting and pressing mechanism (4) capable of applying radial pressure to the wall of the winding pipe.

2. The plastic steel wound pipe stay-inserted type joint as claimed in claim 1, wherein: and the pressure supporting mechanism (4) comprises a threaded push rod (41) and a pressure supporting plate (42), the threaded push rod (41) is connected to a threaded through hole of the annular connecting groove (11), and the pressure supporting plate (42) is rotatably connected to the front end of the threaded push rod (41) and abutted to the winding pipe.

3. The plastic steel wound pipe stay-inserted type joint as claimed in claim 2, wherein: and an elastic gasket (43) is arranged at the inner end of the supporting and pressing plate (42).

4. The plastic steel wound pipe stay-inserted type joint as claimed in claim 1, wherein: the supporting and pressing mechanisms (4) are uniformly distributed along the circumference of the side wall of the connecting piece (1).

5. The plastic steel wound pipe stay-inserted type joint as claimed in claim 1, wherein: the outer wall of the connecting piece (1) is provided with an annular auxiliary connecting groove (13) and is provided with a binding belt (5) for auxiliary connection; the tightening belt (5) is provided with an annular positioning boss corresponding to the auxiliary connecting grooves (13) on the two sides, and the two ends of the tightening belt (5) are connected in a locking manner through a connecting device.

6. The plastic steel wound pipe stay-inserted type joint as claimed in claim 5, wherein: the connecting device comprises locking hooks (51) and locking hanging holes (52) which are respectively arranged at two ends of the binding belt (5), and the locking hanging holes (52) are hooked on the locking hooks (51) to enable the binding belt (5) to be tightly hooped.