CN213840008U

CN213840008U - PE screwed pipe

Info

Publication number: CN213840008U
Application number: CN202021892441.4U
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 PE screwed pipe, including the PE screwed pipe body, its characteristics lie in still including locating component, the butt joint sleeve, the butt joint tube head, wherein set up on the locating component and run through to the trepanning on the terminal surface about it, set up the first spiral slotted hole that matches with PE screwed pipe body end on locating component's the right-hand member face, internal thread has been seted up on the butt joint telescopic hole pore wall, set up the second spiral slotted hole that matches with PE screwed pipe body end on the butt joint telescopic terminal surface, the both ends of PE screwed pipe body screw in respectively to first spiral slotted hole, on the second spiral slotted hole, the one end of butt joint tube head can be rotated ground and butt joint on locating component's left end, and make the hole and the trepanning of butt joint tube head dock the intercommunication mutually, set up on the outer peripheral surface of the butt joint tube head other end with internal thread assorted external screw thread. The utility model discloses it is very convenient that butt joint and split get up, and the butt joint is also very firm, and the reliability of this PE screwed pipe is also very high in addition.

Description

PE screwed pipe

Technical Field

The utility model relates to the technical field of pipelines, especially a PE screwed pipe.

Background

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

SUMMERY OF THE UTILITY MODEL

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

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

a PE threaded pipe comprises a PE threaded pipe body and is characterized by further comprising a positioning assembly, a butt joint sleeve and a butt joint pipe head, wherein the positioning assembly is provided with a sleeve penetrating hole penetrating to the left end face and the right end face of the positioning assembly, the right end face of the positioning assembly is provided with a first spiral groove hole matched with the end part of the PE threaded pipe body, the first spiral groove hole is arranged around the sleeve penetrating hole, the inner hole wall of the butt joint sleeve is provided with an internal thread, the end face of the butt joint sleeve is provided with a second spiral groove hole matched with the end part of the PE threaded pipe body, the second spiral groove hole is arranged around the inner hole of the butt joint sleeve, two ends of the PE threaded pipe body are screwed into the first spiral groove hole and the second spiral groove hole respectively, one end of the butt joint pipe head can be rotatably butted on the left end of the positioning assembly, and the inner hole of the butt joint pipe head is butted and communicated with the sleeve penetrating hole, and the outer circumferential surface of the other end of the butt joint pipe head is provided with an external thread matched with the internal thread.

Preferably, the positioning assembly comprises an inner cylinder and an outer cylinder, the outer cylinder is formed by buckling two semicircular shells, the two shells are detachably buckled on the inner cylinder, the first spiral groove hole is formed between the outer circumferential surface of the inner cylinder and the inner circumferential surface of the outer cylinder, the inner hole of the inner cylinder forms a sleeve penetrating hole, and the butt joint head can be rotatably butted on the outer cylinder.

Preferably, the inner surfaces of the two shells are provided with first yielding grooves matched with the outer circumferential surface of the PE threaded pipe body, the outer circumferential surface of one end of the inner cylinder is provided with second yielding grooves matched with the inner circumferential surface of the PE threaded pipe body, and the two first yielding grooves and the second yielding grooves jointly form a first spiral groove hole.

Preferably, the two ends of the two housings are fixedly connected together by bolts, respectively.

Preferably, the inner surfaces of the two 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 pipe head 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, the inner wall of the shell is provided with a positioning groove, the outer surface of the inner cylinder is provided with a positioning convex part, and the positioning groove is clamped on the positioning convex part.

Preferably, a toggle convex ring is arranged on the middle part of the outer circumferential surface of the butt joint pipe head.

The utility model has the advantages that: the utility model discloses a PE screwed pipe includes PE screwed pipe body, locating component, butt joint sleeve, butt joint tube head, wherein has seted up first spiral slotted hole, second spiral slotted hole on locating component, butt joint sleeve respectively. The two ends of the PE threaded pipe body are respectively screwed into the first spiral groove hole and the second spiral groove hole, so that the structural strength of the end part of the PE threaded pipe body is improved, and the reliability of the PE threaded pipe is improved. Because the butt joint sleeve is provided with the internal thread, the butt joint pipe head can be rotationally butted on the positioning component, and the butt joint pipe head is provided with the external thread matched with the internal thread; two PE screwed pipe can be through corresponding external screw thread and internal thread looks spiro union, dock together fast like this, 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 pipe head can rotate, the PE threaded 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 middle positioning assembly of the present invention.

Fig. 5 is a schematic view of the split structure of the middle positioning assembly of the present invention.

Fig. 6 is a schematic structural view of the middle docking sleeve of the present invention.

Fig. 7 is a schematic structural view of the butt joint head of the present invention.

Fig. 8 is a schematic structural view of the butt joint of the PE threaded pipes of the present invention.

Detailed Description

As shown in FIG. 1, FIG. 4, FIG. 6 and FIG. 7, the PE threaded pipe of the present invention comprises a PE threaded pipe body 1, and for achieving the objects of the present invention, the present invention further comprises a positioning assembly 2, a docking sleeve 3, and a docking adapter 4, wherein the positioning assembly 2 is provided with a through hole 21 penetrating to the left and right end faces thereof, the right end face of the positioning assembly 2 is provided with a first spiral slot 22 matching with the end of the PE threaded pipe body 1, and the first spiral slot 22 is arranged around the through hole 21, the inner hole wall of the docking sleeve 3 is provided with an inner thread 31, the end face of the docking sleeve 3 is provided with a second spiral slot 32 matching with the end of the PE threaded pipe body 1, and the second spiral slot 32 is arranged around the inner hole of the docking sleeve 3, the two ends of the PE threaded pipe body 1 are respectively screwed into the first spiral slot 22, On the second spiral groove hole 32, one end of the butt joint pipe head 4 can be rotatably butted on the left end of the positioning component 2, and the inner hole of the butt joint pipe head 4 is butted and communicated with the sleeve penetrating hole 21, and the outer circumferential surface of the other end of the butt joint pipe head 4 is provided with an outer thread 41 matched with the inner thread 31. The utility model discloses a PE screwed pipe includes PE screwed pipe body 1, locating component 2, butt joint sleeve 3, butt joint coupling 4, wherein has seted up first spiral slotted hole 22, second spiral slotted hole 32 on locating component 2, butt joint sleeve 3 respectively. This contributes to an improvement in the structural strength of the end of the PE threaded pipe body 1 by screwing both ends of the PE threaded pipe body 1 into the first and second

spiral grooves

22, 32, respectively, and thus contributes to an improvement in the reliability of the PE threaded pipe. Because the butt joint sleeve 3 is provided with the internal thread 31, the butt joint pipe head 4 can be rotatably butted on the positioning component 2, and the butt joint pipe head 4 is also provided with the external thread 41 matched with the internal thread 31; therefore, the two PE threaded pipes can be in threaded connection with the internal threads 31 through the corresponding external threads 41 and can be quickly butted together, the aim of quick butt joint can be achieved, the PE threaded pipes are very convenient to disassemble, and the connection firmness is very high. Since the butt joint head 4 is rotatable, it is not necessary to rotate the PE threaded pipe body 1 during the butt joint process, which also contributes to the improvement of the convenience of butt joint.

PE is polyethylene and PE is the existing material.

As shown in fig. 8, when two PE threaded pipes are connected, the external thread 41 of one of the PE threaded pipes is screwed to the internal thread 31 of the other PE threaded pipe. Thus, two PE threaded pipes can be spliced together quickly.

In order to improve the reliability of the connection between the PE threaded pipe body 1 and the positioning assembly 2 and the abutting sleeve 3, glue may be applied to the PE threaded pipe body 1 or to the hole walls of the first spiral groove 22 and the second spiral groove 32. Thus, the PE threaded pipe body 1 can be stably and reliably connected with the positioning assembly 2 and the butt sleeve 3.

As shown in fig. 1, 2, 4 and 5, the positioning assembly 2 includes an inner cylinder 23 and an outer cylinder 24, the outer cylinder 24 is formed by two semicircular outer shells 241, the two outer shells 241 are detachably fastened on the inner cylinder 23, the first spiral slot 22 is formed between the outer circumferential surface of the inner cylinder 23 and the inner circumferential surface of the outer cylinder 24, the inner hole of the inner cylinder 23 forms a sleeve hole 21, and the butt joint head 4 is rotatably butted on the outer cylinder 24. This locating component 2's structure is very simple reliable, and this convenience that can not only improve PE screwed pipe body 1 and locating component 2 butt joint still helps improving the reliability that PE screwed pipe body 1 and locating component 2 butt joint to help further improving the reliability of PE screwed pipe.

As shown in fig. 4 and 5, the inner surfaces of the two housings 241 are provided with first receding grooves 242 matching with the outer circumferential surface of the PE threaded pipe body 1, the outer circumferential surface of one end of the inner cylinder 23 is provided with second receding grooves 231 matching with the inner circumferential surface of the PE threaded pipe body 1, and the two first receding grooves 242 and the second receding grooves 231 together form the first spiral groove hole 22. This can further improve the reliability of the butt joint of the PE threaded pipe body 1 and the positioning assembly 2, thereby contributing to further improvement of the reliability of the PE threaded pipe.

As shown in fig. 2, two ends of the two housings 241 are fixedly connected together by bolts 10, respectively. Such a secure connection is simple and reliable and can securely connect the housings 241 together.

As shown in fig. 1, 4, 5 and 7, the inner surfaces of the two shells 241 are respectively provided with a limiting groove 243, the two limiting grooves 243 form a limiting ring groove 244, the outer circumferential surface of one end of the butt joint 4 is provided with a limiting convex ring 42, and the two limiting grooves 243 are respectively clamped on the limiting convex ring 42, so that the limiting convex ring 42 can rotate in the limiting ring groove 244. The structure is very simple and reliable, the positioning assembly 2 and the butt joint pipe joint 4 can be conveniently assembled, and the reliability of assembling the positioning assembly 2 and the butt joint pipe joint 4 is improved.

As shown in fig. 4 and 5, a positioning groove 245 is formed on an inner wall of the housing 241, a positioning protrusion 232 is formed on an outer surface of the inner cylinder 23, and the positioning groove 245 is clamped on the positioning protrusion 232. Through the arrangement of the positioning slot 245 and the positioning convex portion 232, the two shells 241 can be conveniently and accurately mounted on the inner cylinder 23, so that the standard first spiral slot 22 can be quickly and accurately formed, the convenience and the accuracy of the assembly of the positioning component 2 can be further improved, and the qualified positioning component 2 can be quickly assembled.

The butt-joint sleeve 3 is made of plastic, for example, PPS and PVC, and is formed by injection molding, wherein during the injection molding of the butt-joint sleeve 3, the butt-joint sleeve 3 with an inner hole but without an internal thread 31 is firstly injection molded, and after the injection molding is completed, the internal thread 31 is formed on the hole wall of the inner hole of the butt-joint sleeve 3. During injection molding, a stainless steel threaded pipe having the same structure as the PE threaded pipe body 1 is manufactured by using stainless steel, and an injection mold capable of abutting the sleeve 3 on the end of the stainless steel threaded pipe in injection molding is manufactured. Then the butt sleeve 3 can be injection molded by the stainless steel threaded pipe and the injection mold. And then after cooling and shaping, unscrewing the butt joint sleeve 3 from the stainless steel threaded pipe. Finally, an internal thread 31 is arranged on the hole wall of the inner hole of the butt joint sleeve 3, so that the required butt joint sleeve 3 can be obtained; wherein, in order to conveniently unscrew the butt joint sleeve 3, the surface of the stainless steel threaded pipe is made very smooth, and a release agent is coated on the stainless steel threaded pipe before injection molding, so that the release is convenient. The positioning assembly 2 and the butt-joint pipe 4 can be obtained by conventional machining methods, which will not be described herein.

As shown in fig. 1 and 7, a striking protrusion ring 43 is provided on the middle portion of the outer circumferential surface of the coupling head 4. This contributes to an improvement in the ease of rotation of the docking head 4, and thus contributes to an improvement in the ease 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 3.

Claims

1. A PE screwed pipe, includes PE screwed pipe body (1), its characterized in that: the pipe joint is characterized by further comprising a positioning component (2), a butt joint sleeve (3) and a butt joint pipe head (4), wherein a sleeve penetrating hole (21) penetrating to the left end face and the right end face of the positioning component (2) is formed in the positioning component (2), a first spiral groove hole (22) matched with the end portion of the PE threaded pipe body (1) is formed in the right end face of the positioning component (2), the first spiral groove hole (22) is arranged in a mode of surrounding the sleeve penetrating hole (21), an internal thread (31) is formed in the hole wall of an inner hole of the butt joint sleeve (3), a second spiral groove hole (32) matched with the end portion of the PE threaded pipe body (1) is formed in the end face of the butt joint sleeve (3), the second spiral groove hole (32) is arranged in a mode of surrounding the inner hole of the butt joint sleeve (3), two ends of the PE threaded pipe body (1) are screwed into the first spiral groove hole (22) and the second spiral groove hole (32) respectively, the one end of butt joint tube head (4) can rotate ground butt joint on the left end of locating component (2) to make the hole of butt joint tube head (4) and wear trepanning (21) to dock the intercommunication, offer on the outer circumferential surface of butt joint tube head (4) the external screw thread (41) with internal thread (31) assorted.

2. The PE threaded pipe according to claim 1, characterized in that: locating component (2) includes inner tube (23), urceolus (24) are formed by two semicircular shell (241) locks, and two shell (241) lock on inner tube (23) with dismantling, first spiral slotted hole (22) are formed between the outer peripheral surface of inner tube (23) and the interior peripheral surface of urceolus (24), the hole of inner tube (23) has constituted and has worn trepanning (21), butt joint pipe head (4) can rotate ground butt joint on urceolus (24).

3. The PE threaded pipe according to claim 2, characterized in that: offer on the internal surface of two shells (241) with the outer peripheral surface assorted of PE screwed pipe body (1) first groove (242) of stepping down, offer on the outer peripheral surface of inner tube (23) one end with the inner peripheral surface assorted second groove (231) of stepping down of PE screwed pipe body (1), two first grooves (242) of stepping down and second groove (231) of stepping down have constituted first spiral slotted hole (22) jointly.

4. The PE threaded pipe according to claim 2, characterized in that: two ends of the two shells (241) are fixedly connected together through bolts (10).

5. The PE threaded pipe according to claim 2, characterized in that: spacing draw-in groove (243) have been seted up on the internal surface of two shells (241) respectively, and two spacing draw-in grooves (243) constitute has spacing annular (244), be equipped with spacing bulge loop (42) on the outer circumference surface of butt joint tube head (4) one end, two spacing draw-in grooves (243) clamp respectively on spacing bulge loop (42) to make spacing bulge loop (42) can rotate in spacing annular (244).

6. The PE threaded pipe according to claim 2, characterized in that: the inner wall of the shell (241) is provided with a positioning groove (245), the outer surface of the inner cylinder (23) is provided with a positioning convex part (232), and the positioning groove (245) is clamped on the positioning convex part (232).

7. The PE threaded pipe according to any one of claims 1 to 6, wherein: and a shifting convex ring (43) is arranged in the middle of the outer circumferential surface of the butt joint pipe head (4).