Buckle connection type HDPE pipe and production equipment thereof

By using snap-fit ​​HDPE pipes and quick-installation mold design, the problem of time-consuming and labor-intensive splicing of existing HDPE pipes has been solved, achieving convenient, sealed pipe connections and efficient production.

CN223609601UActive Publication Date: 2025-11-28LIANSU TECH DEV GUIYANG
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422614917.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-28
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The existing HDPE pipe splicing method is time-consuming and labor-intensive, and needs to be improved to achieve convenient connection.

Method used

The design incorporates snap-fit ​​HDPE pipes, enabling convenient splicing through the interlocking of annular grooves and protrusions. Sealing rings are used at the joints to ensure a tight seal. The production equipment employs a quick-assembly structure with internal and external molds to improve production efficiency.

Benefits of technology

It enables convenient splicing and sealing of HDPE pipes, improving splicing efficiency and installation convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223609601U_ABST
    Figure CN223609601U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of HDPE pipes, and discloses a buckle connection type HDPE pipe which comprises an HDPE pipe, the right end of the HDPE pipe expands outwards to form an outer sleeving part, an annular clamping groove which protrudes outwards and surrounds the outer sleeving part by a circle is formed in the outer sleeving part, a plurality of clamping protrusions are integrally formed on the outer wall of the left end of the HDPE pipe, and the multiple clamping protrusions are evenly arranged in the circumferential direction of the HDPE pipe. In the splicing process of the two HDPE pipes, the clamping protrusions are extruded by the outer sleeving parts to deform till the clamping protrusions are matched with the annular clamping grooves in a clamped mode, and splicing of the two HDPE pipes is completed. Compared with the prior art, the buckle connection type HDPE pipe and the production equipment thereof have the advantages that the produced HDPE pipes can be spliced together more conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to HDPE pipe material technical field, specifically point to a buckle connection formula HDPE pipe material and production equipment thereof. BACKGROUND

[0002] HDPE pipe is the thermoplastic polyolefin pipe of ethylene copolymerization, and the raw material HDPE is a kind of high crystallinity, non-polar thermoplastic resin.HDPE pipe is the replacement product of traditional steel pipe material, polyvinyl chloride drinking water pipe.It not only has good economy, and has a series of advantages such as interface stable and reliable, material impact resistance, anti-cracking, aging resistance, corrosion resistance.

[0003] At present, the existing HDPE pipe is generally welded when splicing, or needs additional connecting parts to assist splicing.It is not difficult to see that the existing HDPE pipe splicing method is generally time-consuming and laborious, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems of overcoming the above technical difficulties, providing a buckle connection formula HDPE pipe material and production equipment thereof, and the produced HDPE pipe can be spliced together more conveniently.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is:

[0006] A buckle connection formula HDPE pipe material, including HDPE pipe, the right end of the HDPE pipe expands outward to form a sleeve joint part, the sleeve joint part is formed with annular clamping groove that protrudes outward and surrounds the sleeve joint part one round, the left end of the HDPE pipe is integrally formed with clamping convex on the outer wall, and the clamping convex is uniformly provided with multiple along the circumference of the HDPE pipe;

[0007] During the splicing of two HDPE pipes, the clamping convex is deformed by extrusion of the sleeve joint part, until the clamping convex is connected with the annular clamping groove, and the splicing of two HDPE pipes is completed.

[0008] As an improvement, after the splicing of two adjacent HDPE pipes, the connection of the two is sealed by sealing ring, to ensure that the connection of two HDPE pipes is sealed well.

[0009] The production equipment of the buckle connection formula HDPE pipe material, the production equipment includes:

[0010] Inner mold, it is the cylinder structure that is suitable for the shape of the inner wall of HDPE pipe;

[0011] An outer mold is a cylinder structure matched with the shape of the outer wall of the HDPE pipe; the outer mold comprises an upper half outer mold and a lower half outer mold; a semicircular ring-shaped upper end sealing plate is formed on the inner wall of each end of the upper half outer mold, and a semicircular ring-shaped lower end sealing plate is formed on the inner wall of each end of the lower half outer mold; a pouring opening is arranged on the top of the upper half outer mold;

[0012] A quick mounting structure is used to assemble the upper half outer mold and the lower half outer mold together, and then the quick mounting structure is assembled with the inner mold to form a mold for manufacturing the HDPE pipe.

[0013] As an improvement, the quick mounting structure comprises upper ear plates, lower ear plates and bolts and nuts; a plurality of upper ear plates are formed on the front and back sides of the upper half outer mold, a plurality of lower ear plates corresponding to the upper ear plates are formed on the front and back sides of the lower half outer mold, and the corresponding upper ear plates and lower ear plates are fixedly connected through bolts and nuts, so that the production equipment can be conveniently assembled or disassembled.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] When the buckle connection type HDPE pipe is spliced, the annular clamping groove and the clamping convex are matched, so that the splicing of the adjacent two HDPE pipes can be conveniently completed, the splicing operation is more time-saving and labor-saving, and the splicing and installation work of the HDPE pipe is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the HDPE pipe of the utility model.

[0017] Figure 2 It is a structure schematic view of the splicing of the two HDPE pipes of the utility model.

[0018] Figure 3 It is a sectional view of the splicing of the two HDPE pipes of the utility model.

[0019] Figure 4 It is a structure schematic view of the production equipment of the HDPE pipe of the utility model.

[0020] Figure 5 It is a structure schematic view of the lower half outer mold of the utility model.

[0021] Figure 6 It is a structure schematic view of the upper half outer mold of the utility model.

[0022] As shown in the drawings: 1, the inner mold; 2, the upper half outer mold; 3, the lower half outer mold; 4, the upper end sealing plate; 5, the lower end sealing plate; 6, the pouring opening; 7, the upper ear plate; 8, the lower ear plate; 9, the bolt and nut; 10, the HDPE pipe; 11, the sealing ring; 12, the annular clamping groove; 13, the clamping convex; 14, the sleeve joint. DETAILED DESCRIPTION

[0023] In the description of the utility model, it needs to understand that the orientation or position relation indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the restriction on the utility model. In addition, the terms "first", "second" are only for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specified. In addition, the term "include" and any variation thereof are intended to cover the non-exclusive inclusion.

[0024] The utility model will be further described in detail below in combination with the drawings.

[0025] A buckle connection type HDPE pipe material, including HDPE pipe 10, the right end of the HDPE pipe 10 expands outward and forms a sleeve joint 14, the sleeve joint 14 is formed with the annular clamping slot 12 that protrudes outward and surrounds the sleeve joint 14 a round, the outer wall of the left end of the HDPE pipe 10 is integrally formed with the clamping convex 13, and the clamping convex 13 is uniformly provided with four along the circumference of the HDPE pipe 10;

[0026] In the splicing process of two HDPE pipes 10, the clamping convex 13 is deformed by extrusion of the sleeve joint 14, until the clamping convex 13 is clamped and matched with the annular clamping slot 12, and the splicing of two HDPE pipes 10 is completed. After the splicing of two adjacent HDPE pipes 10, the connection of the two is sealed by the sealing ring 11.

[0027] As a preferred embodiment, the clamping convex 13 is an elastic card structure as shown in Figure 1 .

[0028] The production equipment of the buckle connection type HDPE pipe material, the production equipment includes:

[0029] The inner mold 1 is a cylindrical structure matched with the shape of the inner wall of the HDPE pipe 10;

[0030] The outer mold is a cylindrical structure adapted to the shape of the outer wall of the HDPE pipe 10; the outer mold includes an upper outer mold 2 and a lower outer mold 3; a semi-circular upper end sealing plate 4 is formed on the inner wall of both ends of the upper outer mold 2, and a semi-circular lower end sealing plate 5 is formed on the inner wall of both ends of the lower outer mold 3; a pouring gate 6 is provided at the top of the upper outer mold 2.

[0031] The quick-assembly structure allows the upper outer mold 2 and the lower outer mold 3 to be assembled together, and then assembled with the inner mold 1 to form a mold for manufacturing HDPE pipe 10. The quick-assembly structure includes an upper ear plate 7, a lower ear plate 8, and bolts and nuts 9. Multiple upper ear plates 7 are formed on the front and rear sides of the upper outer mold 2, and multiple lower ear plates 8 corresponding to the upper ear plates 7 are formed on the front and rear sides of the lower outer mold 3. The corresponding upper ear plates 7 and lower ear plates 8 are fixedly connected by bolts and nuts 9.

[0032] In the specific implementation of this embodiment:

[0033] like Figure 4 As shown, the raw material is injected into the mold through the pouring port 6. After cooling, the upper outer mold 2, the lower outer mold 3 and the inner mold 1 are separated, and then an HDPE pipe 10 can be produced.

[0034] like Figure 1 As shown, after the two HDPE pipes 10 are aligned, they are spliced. During the splicing process, the protrusion 13 is squeezed and deformed inside the outer sleeve joint 14 until it engages with the annular groove 12, thus completing the splicing of the two HDPE pipes 10.

[0035] It is worth mentioning that the inner mold 1, the upper outer mold 2, and the lower outer mold 3 shown in the attached figure are only a reference for one embodiment. In actual applications, the three will be made into different shapes depending on the different HDPE pipes 10.

[0036] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A snap-fit HDPE pipe comprising an HDPE pipe (10) characterised in that: The right end of the HDPE pipe (10) is expanded outward to form an outer sleeve joint (14), and the outer sleeve joint (14) is formed with an annular clamping groove (12) protruding outward and surrounding the outer sleeve joint (14) one turn. The left end of the HDPE pipe (10) is integrally formed with a clamping protrusion (13), and the clamping protrusion (13) is uniformly provided with a plurality of clamping protrusions (13) along the circumference of the HDPE pipe (10). During the splicing of the two HDPE pipes (10), the clamping protrusion (13) is deformed by the extrusion of the outer sleeve joint (14) until the clamping protrusion (13) is clamped and matched with the annular clamping groove (12), and the splicing of the two HDPE pipes (10) is completed.

2. A buckling connector HDPE pipe according to claim 1, characterized in that: The clamping protrusion (13) is provided with four.

3. A buckling coupling HDPE pipe according to claim 1, characterized in that: After the splicing of the two adjacent HDPE pipes (10), the connection between the two is sealed by a sealing ring (11).

4. The production apparatus of the snap-fit HDPE pipe according to claim 1, characterized in that, The production equipment comprises: An inner mold (1) is a cylindrical structure matched with the shape of the inner wall of the HDPE pipe (10); An outer mold is a cylindrical structure matched with the shape of the outer wall of the HDPE pipe (10); the outer mold comprises an upper half outer mold (2) and a lower half outer mold (3); the inner walls of the two ends of the upper half outer mold (2) are respectively formed with semicircular annular upper end sealing plates (4), and the inner walls of the two ends of the lower half outer mold (3) are respectively formed with semicircular annular lower end sealing plates (5); the top of the upper half outer mold (2) is provided with a pouring opening (6); A quick mounting structure, the upper half outer mold (2) and the lower half outer mold (3) are assembled together through the quick mounting structure, and then assembled with the inner mold (1) to form a mold for manufacturing the HDPE pipe (10).

5. The apparatus for producing a snap-fit HDPE pipe according to claim 4, characterized in that: The quick mounting structure comprises upper ear plates (7), lower ear plates (8) and bolts and nuts (9); the front and rear sides of the upper half outer mold (2) are respectively formed with a plurality of upper ear plates (7), and the front and rear sides of the lower half outer mold (3) are formed with a plurality of lower ear plates (8) corresponding to the upper ear plates (7); the corresponding upper ear plates (7) and lower ear plates (8) are fixedly connected through the bolts and nuts (9).