Buckle connection type HDPE (high-density polyethylene) pipe and production equipment thereof

The design of snap-fit ​​connection and sealing ring solves the problem of time-consuming and laborious splicing of HDPE pipes, and realizes convenient and sealed HDPE pipe connection.

CN223609600UActive Publication Date: 2025-11-28LIANSU TECH DEV GUIYANG
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Patent Information

Application Number
CN202422614915.3
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 splicing.

Method used

The design incorporates snap-fit ​​HDPE pipes, using a combination of snap-fit ​​protrusions and grooves, and is equipped with sealing rings. It is also designed for easy assembly using production equipment with a quick-installation structure.

Benefits of technology

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

✦ Generated by Eureka AI based on patent content.

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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, a clamping groove protruding outwards is further formed in the outer sleeving part, the whole clamping groove is in a T shape, the vertical section of the clamping groove is parallel to the central axis of the HDPE pipe, the tail end of the clamping groove extends to the right end face of the HDPE pipe, and the right end of the clamping groove extends to the right end face of the HDPE pipe. Clamping protrusions corresponding to the clamping grooves are formed on the outer wall of the tail portion of the HDPE pipe, and the multiple clamping protrusions and the multiple clamping grooves are evenly arranged in the circumferential direction of the HDPE pipe. In the splicing process of the two HDPE pipes, the clamping protrusion penetrates through the transverse section of the clamping groove till reaching the longitudinal section, and after the clamping protrusion rotates to one longitudinal section end of the clamping groove, 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 pipe can be more conveniently spliced.
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Description

TECHNICAL FIELD

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

[0002] HDPE pipe is the thermoplastic polyolefin pipe of ethylene copolymer, 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 and polyvinyl chloride drinking water pipe.It not only has good economy, but also has a series of advantages such as stable and reliable interface, material impact resistance, crack resistance, aging resistance, corrosion resistance, etc.

[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 technical problem to be solved by the utility model is to overcome the above technical difficulties, provide buckle connection type HDPE pipe material and production equipment thereof, and the produced HDPE pipe can be spliced more conveniently.

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

[0006] Buckle connection type HDPE pipe material, including HDPE pipe, the right end of the HDPE pipe expands outward to form a sleeve joint part, and the sleeve joint part also forms a outward protruding card slot, the card slot is T-shaped as a whole, and the vertical section is parallel to the center axis of the HDPE pipe at the same time, the tail end extends to the right end surface of the HDPE pipe, the card protrusion is formed on the outer wall of the tail of the HDPE pipe corresponding to the card slot, and the card protrusion and the card slot are uniformly provided with a plurality of card protrusions and card slots along the circumference of the HDPE pipe;

[0007] During the splicing process of the two HDPE pipes, the card protrusion passes through the horizontal section of the card slot until reaches the vertical section, and after rotating to one end of the vertical section of the card slot, the splicing of the two HDPE pipes is completed.

[0008] As an improvement, after the splicing of the two adjacent HDPE pipes, the connection part of the two is sealed by the sealing ring, which can ensure the good sealing of the connection part.

[0009] A production equipment of the buckle connection type HDPE pipe material, the production equipment comprises:

[0010] The inner mold is a cylindrical structure matched with the shape of the inner wall of the 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 adjacent two HDPE pipes can be conveniently spliced through the cooperation of the clamping convex and the corresponding clamping groove, 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 is a structure schematic view of the HDPE pipe of the utility model.

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

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

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

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

[0021] Figure 6 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 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 indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "comprising" and any variation thereof is intended to cover non-exclusive inclusion.

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

[0025] The buckle connection type HDPE pipe material comprises:

[0026] The HDPE pipe 10 is outwardly expanded at the right end portion to form an outer sleeve portion 14, and an outwardly protruding clamping groove 12 is further formed on the outer sleeve portion 14. The clamping groove 12 is in a T shape as a whole, and the vertical section is parallel to the central axis of the HDPE pipe 10 while the tail end extends to the right end face of the HDPE pipe 10. A clamping protrusion 13 is formed on the outer wall of the tail portion of the HDPE pipe 10 corresponding to the clamping groove 12. The clamping protrusion 13 and the clamping groove 12 are uniformly provided with four respectively along the circumferential direction of the HDPE pipe 10.

[0027] During the splicing process of the two HDPE pipes 10, the clamping protrusion 13 passes through the horizontal section of the clamping groove 12 until it reaches the vertical section (the horizontal section and the vertical section here are referred to based on the top view), and after being rotated to one vertical section end of the clamping groove 12, the splicing of the two HDPE pipes 10 is completed. After the splicing of the two adjacent HDPE pipes 10, the connection part of the two is sealed by the sealing ring 11.

[0028] A production equipment of the buckle connection type HDPE pipe material, the production equipment comprises:

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

[0030] An outer mold is a cylinder structure which is adapted to 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; a semicircular ring-shaped upper end sealing plate 4 is formed on the inner wall of each end of the upper half outer mold 2, and a semicircular ring-shaped lower end sealing plate 5 is formed on the inner wall of each end of the lower half outer mold 3; a pouring opening 6 is arranged on the top of the upper half outer mold 2;

[0031] A quick mounting structure is used to assemble the upper half outer mold 2 and the lower half outer mold 3 together, and then the quick mounting structure is assembled with the inner mold 1 to form a mold for manufacturing the HDPE pipe 10; specifically, the quick mounting structure comprises upper ear plates 7, lower ear plates 8 and bolts and nuts 9; a plurality of upper ear plates 7 are formed on the front and rear sides of the upper half outer mold 2, and a plurality of lower ear plates 8 corresponding to the upper ear plates 7 are formed on the front and rear sides of the lower half outer mold 3; the corresponding upper ear plate 7 and the lower ear plate 8 are fixedly connected through the bolt and the nut 9.

[0032] In the specific implementation of the embodiment, the following steps are performed:

[0033] As shown in Figure 4 , the raw materials are injected into the mold through the pouring opening 6, and after cooling, the upper half outer mold 2, the lower half outer mold 3 and the inner mold 1 are disassembled, and then an HDPE pipe 10 can be manufactured.

[0034] As shown in Figure 1 , the two HDPE pipes 10 are aligned and then spliced; during the splicing process, the card convex 13 and the horizontal section of the card slot 12 are movably connected, and then the card convex 13 reaches the longitudinal section of the card slot 12, and the HDPE pipe 10 is rotated clockwise or counterclockwise to start, and when the rotation cannot continue, the splicing of the two HDPE pipes 10 is completed.

[0035] It is worth mentioning that the inner mold 1, the upper half outer mold 2 and the lower half outer mold 3 shown in the drawings are only a reference for one embodiment, and in actual application, the three will be manufactured in different shapes according to different HDPE pipes 10.

[0036] The above describes the utility model and its implementation, which is not limited, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited. In general, if a person skilled in the art is inspired, without departing from the purpose of the utility model, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the utility model.

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 (14), and the outer sleeve (14) further forms an outwardly protruding clamping groove (12). The clamping groove (12) is T-shaped as a whole, and the vertical section is parallel to the center axis of the HDPE pipe (10), while the tail end extends to the right end face of the HDPE pipe (10). The clamping protrusion (13) is formed on the outer wall of the tail of the HDPE pipe (10) corresponding to the clamping groove (12). The clamping protrusion (13) and the clamping groove (12) are uniformly provided with a plurality of clamping protrusions (13) and clamping grooves (12) along the circumference of the HDPE pipe (10) respectively. During the splicing process of the two HDPE pipes (10), the clamping protrusion (13) passes through the horizontal section of the clamping groove (12) until it reaches the vertical section, and after rotating to one end of the vertical section of the clamping groove (12), the splicing of the two HDPE pipes (10) is completed.

2. The snap-fit HDPE pipe of claim 1, wherein: The clamping protrusion (13) and the clamping groove (12) are respectively provided with four.

3. The snap-fit HDPE pipe of claim 1, wherein: After the splicing of the two adjacent HDPE pipes (10), the connection between the two is sealed by a sealing ring (11).

4. An apparatus for producing a 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, after the upper half outer mold (2) and the lower half outer mold (3) are assembled together through the quick mounting structure, the inner mold (1) is assembled together 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).