CN213839931U

CN213839931U - MPP rotary corrugated pipe

Info

Publication number: CN213839931U
Application number: CN202021897713.XU
Authority: CN
Inventors: 吕凯旋
Original assignee: Foshan City Shunde District Dejian Plastic Pipeline Manufacturing Co ltd
Current assignee: Foshan City Shunde District Dejian Plastic Pipeline Manufacturing Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-07-30
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a MPP rotary corrugated pipe, its characteristics lie in including MPP bellows body, its characteristics lie in still including first sleeve, the second sleeve, the butt joint sleeve, wherein first cartridge annular has been seted up on first telescopic one end terminal surface, and make first cartridge annular be and encircle first telescopic hole and arrange, second cartridge annular has been seted up on the telescopic one end terminal surface of second, and make second cartridge annular be and encircle the telescopic hole arrangement of second, the internal thread has been seted up on the telescopic hole pore wall of second, butt joint sleeve's one end can be connected on first telescopic other end with rotating, and make butt joint sleeve and first sleeve dock intercommunication mutually, set up on butt joint sleeve's the outer peripheral surface of other end with internal thread assorted external screw thread, MPP bellows body's both ends cartridge is in first cartridge annular respectively, in the second cartridge annular. The utility model discloses it is very convenient that butt joint and split get up, and the butt joint is also very firm, and this MPP rotary corrugated pipe's reliability is also very high in addition.

Description

MPP rotary corrugated pipe

Technical Field

The utility model relates to the technical field of pipelines, especially a MPP rotary corrugated pipe.

Background

At present, the corrugated pipe is widely applied. But the inconvenient condition of butt joint, split exists between current bellows and the bellows, and the junction between current bellows and the bellows has the condition of being connected not firm. Therefore, it is necessary to redesign the structure of the bellows.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide a MPP rotary corrugated pipe, this MPP rotary corrugated pipe butt joint is got up very conveniently with the split, and the butt joint is also very firm, and this MPP rotary corrugated pipe's reliability is also very high in addition.

The technical scheme of the utility model is realized like this:

the utility model provides a MPP rotary corrugated pipe, includes MPP bellows body, its characteristics lie in still including first sleeve, second sleeve, docking sleeve, wherein have seted up first cartridge annular on the terminal surface of first telescopic one end to make first cartridge annular be and encircle the hole arrangement of first sleeve, second cartridge annular has been seted up on the terminal surface of second telescopic one end to make second cartridge annular be and encircle the hole arrangement of second sleeve, the internal thread has been seted up on the hole wall of second telescopic hole, docking sleeve's one end can be connected on first telescopic other end rotatoryly, and make docking sleeve and first sleeve dock intercommunication mutually, set up on docking sleeve's the other end outer peripheral surface with internal thread assorted external screw thread, MPP bellows body's both ends cartridge respectively in first cartridge annular, second cartridge annular.

Preferably, the first sleeve comprises a first inner cylinder and a first outer cylinder, the first outer cylinder is composed of two semicircular first shells, one end of the MPP corrugated pipe body is sleeved on the first inner cylinder, the two first shells can be detachably buckled on the first inner cylinder, the two first shells are pressed on the outer surface of the MPP corrugated pipe body, and the butt joint sleeve can be rotatably connected with the first outer cylinder.

Preferably, set up on the internal surface of two first shells with the outer peripheral surface assorted of MPP bellows body first groove of stepping down, set up on the outer peripheral surface of first inner tube one end with the inner peripheral surface assorted second groove of stepping down of MPP bellows body, two first grooves of stepping down and second groove of stepping down have constituted first cartridge annular jointly.

Preferably, the two ends of the two first shells are fixedly connected together by a first bolt respectively.

Preferably, the inner surfaces of the two first shells are respectively provided with a limiting clamping groove, the two limiting clamping grooves form a limiting ring groove, the outer circumferential surface of one end of the butt joint sleeve is provided with a limiting convex ring, and the two limiting clamping grooves are respectively clamped on the limiting convex rings and enable the limiting convex rings to rotate in the limiting ring grooves.

Preferably, a toggle convex ring is arranged in the middle of the outer circumferential surface of the butt joint sleeve.

Preferably, the second sleeve includes second inner tube, second urceolus, the second urceolus comprises two semicircular second shells, the other end suit of MPP bellows body is on the second inner tube, and the lock can be dismantled on the second inner tube to two second shells to make two second shells all sticis on the surface of MPP bellows body, the internal thread is seted up on the hole pore wall of second inner tube.

Preferably, set up on the internal surface of two second shells and the outer peripheral surface assorted third groove of stepping down of MPP bellows body, set up on the outer peripheral surface of second inner tube one end and the inner peripheral surface assorted fourth groove of stepping down of MPP bellows body, two third grooves of stepping down and fourth groove of stepping down have constituted second cartridge annular jointly.

Preferably, the two ends of the two second housings are fixedly connected together by a second bolt respectively.

The utility model has the advantages that: the utility model discloses a MPP rotary corrugated pipe includes MPP bellows body, first sleeve, second sleeve, butt joint sleeve, has wherein seted up first cartridge annular, second cartridge annular on first sleeve, second sleeve respectively. Through making the both ends of MPP bellows body insert respectively in first cartridge annular, second cartridge annular, this structural strength that helps improving this end of MPP bellows to help improving this MPP rotary corrugated pipe's reliability. The second sleeve is provided with an internal thread, the butt joint sleeve is rotatably connected to the first sleeve, and the butt joint sleeve is provided with an external thread matched with the internal thread; like this two MPP rotary corrugated pipe can be through corresponding external screw thread and internal thread looks spiro union, dock fast together, can reach the purpose of dock fast like this, and it dismantles also convenience very, and the firm nature of connecting is very high like this in addition. Because the butt joint sleeve can rotate, the MPP corrugated pipe body does not need to be rotated in the butt joint process, and the butt joint convenience is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the section a-a in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of a section B-B in fig. 1 according to the present invention.

Fig. 4 is a schematic view of an assembly structure of the first sleeve according to the present invention.

Fig. 5 is a schematic view of the split structure of the first sleeve according to the present invention.

Fig. 6 is a schematic view of an assembly structure of the second sleeve according to the present invention.

Fig. 7 is a schematic view of the second sleeve according to the present invention.

Fig. 8 is a schematic structural view of the middle docking sleeve of the present invention.

Fig. 9 is a schematic structural view of the butt joint of the MPP rotary bellows of the present invention.

Detailed Description

As shown in fig. 1, 4, 6 and 8, the MPP rotary corrugated pipe of the present invention comprises an MPP corrugated pipe body 1, and for achieving the object of the present invention, the MPP rotary corrugated pipe further comprises a first sleeve 2, a second sleeve 3, and a docking sleeve 4, wherein the first sleeve 2 has a first insertion ring groove 21 formed on an end surface thereof, and the first insertion ring groove 21 is disposed around an inner hole of the first sleeve 2, the second sleeve 3 has a second insertion ring groove 31 formed on an end surface thereof, and the second insertion ring groove 31 is disposed around an inner hole of the second sleeve 3, the inner hole wall of the second sleeve 3 has an inner thread 32 formed thereon, one end of the docking sleeve 4 is rotatably connected to the other end of the first sleeve 2, and the docking sleeve 4 is in docking communication with the first sleeve 2, the docking sleeve 4 has an outer circumferential surface thereof formed thereon with an outer thread 41 matching the inner thread 32, the two ends of the MPP corrugated pipe body 1 are respectively inserted into the first insertion ring groove 21 and the second insertion ring groove 31. The utility model discloses a MPP rotary corrugated pipe includes MPP bellows body 1, first sleeve 2, second sleeve 3, docking sleeve 4, has wherein seted up first cartridge annular 21, second cartridge annular 31 on first sleeve 2, second sleeve 3 respectively. The MPP bellows body 1 is inserted into the first and second

insertion ring grooves

21 and 31 at both ends thereof, which contributes to an increase in structural strength of the MPP bellows body 1 at the ends thereof, thereby contributing to an increase in reliability of the MPP bellows. Because the second sleeve 3 is provided with the internal thread 32, the butt joint sleeve 4 is rotatably connected to the first sleeve 2, and the butt joint sleeve 4 is provided with the external thread 41 matched with the internal thread 32; like this two MPP rotary corrugated pipe can be through corresponding external screw thread 41 and internal thread 32 looks spiro union, dock fast together, can reach the purpose of dock fast like this, and it dismantles also convenience very, and the firm nature of connecting is very high like this in addition. Since the docking sleeve 4 is rotatable, the MPP bellows body 1 does not need to be rotated during docking, which also contributes to the convenience of docking.

The MPP adopts modified polypropylene as main raw material, and the MPP is the material promptly, and MPP is current material.

As shown in fig. 9, when two MPP rotary bellows are connected, the external thread 41 of one of the MPP rotary bellows is screwed to the internal thread 32 of the other MPP rotary bellows. Thus, the two MPP rotary corrugated pipes can be spliced together quickly.

As shown in fig. 1, 2, 4 and 5, the first sleeve 2 includes a first inner cylinder 22 and a first outer cylinder 23, the first outer cylinder 23 is composed of two first shells 231 having a semicircular shape, one end of the MPP bellows body 1 is sleeved on the first inner cylinder 22, the two first shells 231 are detachably fastened on the first inner cylinder 22, the two first shells 231 are tightly pressed on the outer surface of the MPP bellows body 1, and the docking sleeve 4 is rotatably connected to the first outer cylinder 23. This first sleeve 2's structure is very simple reliable, and this convenience that can not only improve MPP bellows body 1 and the butt joint of first sleeve 2 still helps improving the reliability that MPP bellows body 1 and first sleeve 2 butt joint to help further improving MPP rotary bellows's reliability.

As shown in fig. 4 and 5, the inner surfaces of the two first shells 231 are provided with first receding grooves 232 matched with the outer circumferential surface of the MPP corrugated pipe body 1, the outer circumferential surface of one end of the first inner cylinder 22 is provided with second receding grooves 221 matched with the inner circumferential surface of the MPP corrugated pipe body 1, and the two first receding grooves 232 and the second receding grooves 221 together form the first insertion ring groove 21. This can further improve the reliability of MPP bellows body 1 and first sleeve 2 butt joint to help further improve the reliability of MPP rotary bellows.

As shown in fig. 2, both ends of the two first housings 231 are fixedly coupled together by first bolts 10, respectively. Such a secure connection is simple and reliable and securely connects the first housings 231 together.

As shown in fig. 1, 4, 5 and 8, the inner surfaces of the two first shells 231 are respectively provided with a limiting groove 233, the two limiting grooves 233 form a limiting ring groove 234, the outer circumferential surface of one end of the docking sleeve 4 is provided with a limiting convex ring 42, and the two limiting grooves 233 are respectively clamped on the limiting convex ring 42 and enable the limiting convex ring 42 to rotate in the limiting ring groove 234. Such structure is very simple reliable, can not only make things convenient for first sleeve 2 and butt joint sleeve 4 to assemble, still helps improving the reliability of first sleeve 2 and butt joint sleeve 4 equipment.

As shown in fig. 1 and 8, a toggle convex ring 43 is arranged on the middle part of the outer circumferential surface of the docking sleeve 4. This contributes to an improvement in convenience of rotation of the docking sleeve 4, thereby contributing to an improvement in convenience of docking.

In the actual manufacturing process, the upper friction teeth may be provided on the outer circumferential surface of the toggle convex ring 43. So as to avoid the slipping condition when the toggle convex ring 43 is rotated, thereby improving the convenience of the rotation of the butt joint sleeve 4.

As shown in fig. 1, 3, 6 and 7, the second sleeve 3 includes a second inner cylinder 33 and a second outer cylinder 34, the second outer cylinder 34 is composed of two semicircular second outer shells 341, the other end of the MPP bellows body 1 is sleeved on the second inner cylinder 33, the two second outer shells 341 can be detachably fastened on the second inner cylinder 33, and the two second outer shells 341 are tightly pressed on the outer surface of the MPP bellows body 1, and the internal thread 32 is opened on the inner hole wall of the second inner cylinder 33. This second sleeve 3's structure is very simple reliable, and this convenience that can not only improve MPP bellows body 1 and the butt joint of second sleeve 3 still helps improving the reliability that MPP bellows body 1 and second sleeve 3 butt joint to help further improving MPP rotary bellows's reliability.

As shown in fig. 6 and 7, the inner surfaces of the two second housings 341 are provided with third receding grooves 342 matching with the outer circumferential surface of the MPP corrugated tube body 1, the outer circumferential surface of one end of the second inner tube 33 is provided with fourth receding grooves 331 matching with the inner circumferential surface of the MPP corrugated tube body 1, and the two third receding grooves 342 and the fourth receding grooves 331 together form the second plug-in ring groove 31. This can further improve the reliability of MPP bellows body 1 and second sleeve 3 butt joint to help further improve the reliability of MPP rotary bellows.

As shown in fig. 3, both ends of the two second outer cases 341 are fixedly connected together by the second bolts 20, respectively. Such a fixed connection is simple and reliable and can firmly connect the second housings 341 together.

Claims

1. The utility model provides a MPP rotary bellows, includes MPP bellows body (1), its characterized in that: the connecting sleeve is characterized by further comprising a first sleeve (2), a second sleeve (3) and a butt joint sleeve (4), wherein a first insertion ring groove (21) is formed in one end face of the first sleeve (2), the first insertion ring groove (21) is arranged in a hole surrounding the first sleeve (2), a second insertion ring groove (31) is formed in one end face of the second sleeve (3), the second insertion ring groove (31) is arranged in a hole surrounding the second sleeve (3), an inner thread (32) is formed in a hole wall of the inner hole of the second sleeve (3), one end of the butt joint sleeve (4) can be rotatably connected to the other end of the first sleeve (2), the butt joint sleeve (4) is communicated with the first sleeve (2) in a butt joint mode, an outer thread (41) matched with the inner thread (32) is formed in the outer circumferential surface of the other end of the butt joint sleeve (4), the MPP corrugated pipe body (1) is characterized in that two ends of the MPP corrugated pipe body are respectively inserted into the first insertion ring groove (21) and the second insertion ring groove (31).

2. The MPP rotary bellows of claim 1, wherein: first sleeve (2) include first inner tube (22), first urceolus (23) comprise two semicircular first shells (231), the one end suit of MPP bellows body (1) is on first inner tube (22), and the lock can be dismantled on first inner tube (22) in two first shells (231) to make two first shells (231) all sticis on the surface of MPP bellows body (1), butt joint sleeve (4) can meet with first urceolus (23) with rotating.

3. The MPP rotary bellows of claim 2, wherein: offer on the internal surface of two first shells (231) with the outer circumferential surface assorted first groove of stepping down (232) of MPP bellows body (1), offer on the outer circumferential surface of first inner tube (22) one end with the inner circumferential surface assorted second groove of stepping down (221) of MPP bellows body (1), two first grooves of stepping down (232) and second groove of stepping down (221) have constituted first cartridge annular (21) jointly.

4. The MPP rotary bellows of claim 2, wherein: two ends of the two first shells (231) are fixedly connected together through first bolts (10).

5. The MPP rotary bellows of claim 2, wherein: spacing draw-in groove (233) have been seted up respectively on the internal surface of two first shells (231), and two spacing draw-in grooves (233) constitute has spacing annular (234), be equipped with spacing bulge loop (42) on the outer circumference surface of butt joint sleeve (4) one end, two spacing draw-in grooves (233) clamp respectively on spacing bulge loop (42) to make spacing bulge loop (42) can rotate in spacing annular (234).

6. The MPP rotary bellows of claim 1 or 5, wherein: and a shifting convex ring (43) is arranged in the middle of the outer circumferential surface of the butt joint sleeve (4).

7. The MPP rotary bellows of claim 1, wherein: the utility model discloses a MPP corrugated pipe body, including MPP corrugated pipe body (1), second sleeve (3), second outer tube (34) comprise two semicircular second shells (341), the other end suit of MPP corrugated pipe body (1) is on second inner tube (33), and the lock can be dismantled on second inner tube (33) in two second shells (341), and makes two second shells (341) all sticis on the surface of MPP corrugated pipe body (1), internal thread (32) are seted up on the hole pore wall of second inner tube (33).

8. The MPP rotary bellows of claim 7, wherein: offer on the internal surface of two second shells (341) with the outer circumferential surface assorted third groove of stepping down (342) of MPP bellows body (1), offer on the outer circumferential surface of second inner tube (33) one end with the inner circumferential surface assorted fourth groove of stepping down (331) of MPP bellows body (1), two third grooves of stepping down (342) and fourth groove of stepping down (331) have constituted second cartridge annular (31) jointly.

9. The MPP rotary bellows of claim 7, wherein: two ends of the two second shells (341) are fixedly connected together through second bolts (20).