Limiting sleeve for HDPE double-wall corrugated pipe

Abstract

The utility model discloses a limit sleeve for an HDPE (high-density polyethylene) double-wall corrugated pipe, which belongs to the technical field of corrugated pipe equipment and comprises two HDPE double-wall corrugated pipe main bodies which are symmetrically distributed, a limit sleeve mechanism is arranged between the two HDPE double-wall corrugated pipe main bodies, and a limit mechanism is arranged between the two HDPE double-wall corrugated pipe main bodies. The limiting sleeve mechanism comprises a first sleeve and a second sleeve, fixing grooves are formed in the faces, away from each other, of the first sleeve and the second sleeve, the fixing grooves are in sliding fit with the end of the HDPE double-wall corrugated pipe body, a limiting ring is fixedly connected to one side of the first sleeve, a limiting groove is formed in one side of the second sleeve, and the limiting ring is fixedly connected with the limiting groove. The inner wall of the limiting groove is in sliding fit with the limiting ring, and a plurality of evenly-distributed connecting grooves are formed in the outer wall of the limiting ring. According to the utility model, the convex ring can be conveniently fixed, and the effect of reducing the labor intensity of workers is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated pipe equipment, in particular to a limiting sleeve for a HDPE double-wall corrugated pipe. Background Art

[0002] HDPE double-wall corrugated pipe, referred to as PE corrugated pipe, is a new type of lightweight pipe made of high-density polyethylene. It has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long life. Limit sleeves are required in the process of assembling HDPE double-wall corrugated pipes.

[0003] At present, a Chinese patent with announcement number CN213089115U discloses a limiting sleeve for a HDPE double-wall corrugated pipe, comprising a first HDPE corrugated pipe body and a convex ring, wherein the limiting sleeve is fixed on the inner surface of the first HDPE corrugated pipe body, the convex ring is fixed on the outer surface of the first HDPE corrugated pipe body and the outer surface of the second HDPE corrugated pipe body, and the convex ring on the second HDPE corrugated pipe body is fixed to the right side of the convex ring on the first HDPE corrugated pipe body by a stud bolt, a second annular groove is provided on the left end face of the first HDPE corrugated pipe body and the right end face of the second HDPE corrugated pipe body, and a pipe clamp is clamped and connected to the outer surface of the first HDPE corrugated pipe body and the outer surface of the second HDPE corrugated pipe body.

[0004] However, when the above device is in use, the convex ring is fixed by stud bolts, and the staff needs to use tools to screw the stud bolts, which increases the labor intensity of the staff. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a limiting sleeve for a HDPE double-wall corrugated pipe. The utility model has the advantages of being able to facilitate the fixing of the convex ring and reducing the labor intensity of the staff.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A limiting sleeve for a HDPE double-wall corrugated pipe comprises two symmetrically distributed HDPE double-wall corrugated pipe bodies, a limiting sleeve mechanism is arranged between the two HDPE double-wall corrugated pipe bodies, and a limiting mechanism is arranged between the two HDPE double-wall corrugated pipe bodies;

[0008] The limiting sleeve mechanism includes a first sleeve and a second sleeve, and the first sleeve and the second sleeve have fixed grooves on their respective sides away from each other, and a sliding fit is formed between the fixed groove and the end of the HDPE double-wall corrugated pipe body. One side of the first sleeve is fixedly connected to a limiting ring, and one side of the second sleeve has a limiting groove, and a sliding fit is formed between the inner wall of the limiting groove and the limiting ring.

[0009] Through the above technical scheme: when in use, the main body of the HDPE double-wall corrugated pipe can be clamped by the fixing groove, and then the double-headed threaded barrel can be rotated to rotate, at this time, the threaded rod will move relative to the avoidance of the double-headed threaded barrel, and the positioning plate slides in the inner wall of the positioning groove to squeeze the first sleeve and the second sleeve, so that the wall surface of the fixing groove can tighten the main body of the HDPE double-wall corrugated pipe, and then the limiting ring is inserted into the limiting groove, and the connecting rod can slide into the connecting groove through the inner wall of the connecting port under the pressure of the connecting spring, so that the first sleeve and the second sleeve can be fixed, thereby facilitating the fixing of the convex ring and achieving the effect of reducing the labor intensity of the staff.

[0010] The utility model is further configured such that the outer wall of the limit ring is provided with a plurality of evenly distributed connecting grooves, the outer wall of the second sleeve is provided with connecting ports corresponding to the connecting grooves one by one, and the inner wall of the connecting port and the inner wall of the connecting groove are slidably connected with the same connecting rod.

[0011] Through the above technical solution: the connection rod is arranged so as to slide in the inner wall of the connection port and the inner wall of the connection groove, so that the limiting ring can be fixed or loosened.

[0012] The utility model is further configured such that a connecting plate is fixedly connected to one side of the connecting rod away from the connecting groove, a connecting spring is fixedly connected to one side of the connecting plate, and the connecting spring is fixedly connected to the outer walls of the first sleeve and the second sleeve.

[0013] Through the above technical solution: the setting of the connecting plate can cooperate with the connecting spring to ensure that the connecting rod is stably placed in the connecting groove.

[0014] The utility model is further configured that the limiting mechanism comprises two symmetrically distributed double-headed threaded cylinders, and the inner walls of the double-headed threaded cylinders are connected with threaded rods through threads.

[0015] Through the above technical solution: the threaded rod is arranged so that it can move with the inner wall of the double-headed threaded barrel when it rotates.

[0016] The utility model is further configured that two threaded rods are both fixedly connected with positioning plates away from each other.

[0017] Through the above technical solution: the positioning plate is set, the end surface area of ​​the threaded rod can be increased, and the HDPE double-wall corrugated pipe body can be clamped with the wall of the fixing groove.

[0018] The utility model is further configured such that the positioning plate is in an arc-shaped structure, and the center of the positioning plate coincides with the center of the HDPE double-wall corrugated pipe body.

[0019] Through the above technical solution: the design of the arc-shaped structure can increase the surface area of ​​the positioning plate, and can further clamp the HDPE double-wall corrugated pipe body and the wall of the fixing groove.

[0020] The utility model is further configured such that a positioning groove is provided on the inner wall of the main body of the HDPE double-wall corrugated pipe, a sliding fit is formed between the inner wall of the positioning groove and the positioning plate, the top inner wall of the positioning groove is an arc-shaped structure, and the center of the positioning groove coincides with the center of the positioning plate.

[0021] Through the above technical solution: the setting of the positioning groove can increase the contact area between the positioning plate, so that the HDPE double-wall corrugated pipe body and the wall surface of the fixing groove can be clamped.

[0022] The beneficial effects of the utility model are:

[0023] 1. The HDPE double-wall corrugated pipe uses a limiting sleeve. The main body of the HDPE double-wall corrugated pipe can be clamped through the fixing groove. Then, the double-headed threaded barrel can be rotated to rotate the double-headed threaded barrel. At this time, the threaded rod will move relative to the avoidance of the double-headed threaded barrel. The positioning plate slides in the inner wall of the positioning groove to squeeze the first sleeve and the second sleeve, so that the wall surface of the fixing groove can tighten the main body of the HDPE double-wall corrugated pipe. Then, the limiting ring is inserted into the limiting groove. The connecting rod can slide into the connecting groove through the inner wall of the connecting port under the pressure of the connecting spring, so that the first sleeve and the second sleeve can be fixed. Therefore, it is convenient to fix the convex ring, thereby reducing the labor intensity of the staff.

[0024] 2. The limiting sleeve for the HDPE double-wall corrugated pipe can increase the surface area of ​​the positioning plate through its arc-shaped structure, which can further clamp the main body of the HDPE double-wall corrugated pipe and the wall of the fixed groove. The positioning groove can increase the contact area with the positioning plate, which can clamp the main body of the HDPE double-wall corrugated pipe and the wall of the fixed groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a limiting sleeve for a HDPE double-wall corrugated pipe proposed by the utility model;

[0026] Figure 2 It is a partial cross-sectional structural schematic diagram of the limiting sleeve for the HDPE double-wall corrugated pipe proposed by the utility model;

[0027] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0028] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0029] In the figure: 1. HDPE double-wall corrugated pipe body; 2. limiting sleeve mechanism; 3. first sleeve; 4. second sleeve; 5. limiting groove; 6. limiting ring; 7. connecting groove; 8. connecting port; 9. connecting rod; 10. connecting plate; 11. connecting spring; 12. double-headed threaded cylinder; 13. threaded rod; 14. positioning plate; 15. positioning groove. DETAILED DESCRIPTION

[0030] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0033] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0034] Reference Figure 1-4 The limiting sleeve for HDPE double-wall corrugated pipe comprises two symmetrically distributed HDPE double-wall corrugated pipe bodies 1, a limiting sleeve mechanism 2 is arranged between the two HDPE double-wall corrugated pipe bodies 1, and a limiting mechanism is arranged between the two HDPE double-wall corrugated pipe bodies 1;

[0035] The limiting sleeve mechanism 2 includes a first sleeve 3 and a second sleeve 4. A fixing groove is provided on the opposite sides of the first sleeve 3 and the second sleeve 4. A sliding fit is formed between the fixing groove and the end of the HDPE double-wall corrugated pipe body 1. A limiting ring 6 is fixedly connected to one side of the first sleeve 3. A limiting groove 5 is provided on one side of the second sleeve 4. A sliding fit is formed between the inner wall of the limiting groove 5 and the limiting ring 6.

[0036] It should be noted that, in the present embodiment, a plurality of evenly distributed connecting grooves 7 are provided on the outer wall of the limiting ring 6, a connecting port 8 corresponding to the connecting grooves 7 is provided on the outer wall of the second sleeve 4, and a same connecting rod 9 is slidably connected between the inner wall of the connecting port 8 and the inner wall of the connecting groove 7. The connecting rod 9 can slide in the inner wall of the connecting port 8 and the inner wall of the connecting groove 7, so that the limiting ring 6 can be fixed or loosened.

[0037] Furthermore, in the present embodiment, a connecting plate 10 is fixedly connected to one side of the connecting rod 9 away from the connecting groove 7, a connecting spring 11 is fixedly connected to one side of the connecting plate 10, and the connecting spring 11 is fixedly connected to the outer walls of the first sleeve 3 and the second sleeve 4. The connecting plate 10 can cooperate with the connecting spring 11 to ensure that the connecting rod 9 is stably placed in the connecting groove 7.

[0038] The limiting mechanism includes two symmetrically distributed double-threaded barrels 12 , the inner wall of the double-threaded barrel 12 is connected with a threaded rod 13 through threads, and the threaded rod 13 can move with the inner wall of the double-threaded barrel 12 when the double-threaded barrel 12 rotates.

[0039] The two threaded rods 13 are fixedly connected with positioning plates 14 at their respective ends. The positioning plates 14 can increase the surface area of ​​the ends of the threaded rods 13, so that the HDPE double-wall corrugated pipe body 1 can be clamped with the wall of the fixing groove.

[0040] The positioning plate 14 has an arc-shaped structure, and the center of the positioning plate 14 coincides with the center of the HDPE double-wall corrugated pipe body 1. The arc-shaped structure can increase the surface area of ​​the positioning plate 14, which can further clamp the HDPE double-wall corrugated pipe body 1 and the wall of the fixing groove.

[0041] A positioning groove 15 is provided on the inner wall of the HDPE double-wall corrugated pipe body 1, and a sliding fit is formed between the inner wall of the positioning groove 15 and the positioning plate 14. The top inner wall of the positioning groove 15 is an arc-shaped structure, and the center of the positioning groove 15 coincides with the center of the positioning plate 14. The positioning groove 15 can increase the contact area with the positioning plate 14, so that the HDPE double-wall corrugated pipe body 1 can be clamped with the wall of the fixed groove.

[0042] Working principle: When in use, the HDPE double-wall corrugated pipe body 1 can be clamped through the fixing groove, and then the double-headed threaded barrel 12 can be rotated to rotate the double-headed threaded barrel 12. At this time, the threaded rod 13 will move relative to the double-headed threaded barrel 12, and the positioning plate 14 slides in the inner wall of the positioning groove 15 to squeeze the first sleeve 3 and the second sleeve 4, so that the wall surface of the fixing groove can tighten the HDPE double-walled corrugated pipe body 1, and then the limiting ring 6 is inserted into the limiting groove 5. The connecting rod 9 can slide into the connecting groove 7 through the inner wall of the connecting port 8 under the pressure of the connecting spring 11, so that the first sleeve 3 and the second sleeve 4 can be fixed. Therefore, it is convenient to fix the convex ring and achieve the effect of reducing the labor intensity of the staff.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A limiting sleeve for a HDPE double-wall corrugated pipe, comprising two symmetrically distributed HDPE double-wall corrugated pipe bodies (1), characterized in that: A limiting sleeve mechanism (2) is provided between the two HDPE double-wall corrugated pipe bodies (1); a limiting mechanism is provided between the two HDPE double-wall corrugated pipe bodies (1); The limiting sleeve mechanism (2) comprises a first sleeve (3) and a second sleeve (4); a fixing groove is provided on one side of the first sleeve (3) and the second sleeve (4) away from each other; a sliding fit is formed between the fixing groove and the end of the HDPE double-wall corrugated pipe body (1); a limiting ring (6) is fixedly connected to one side of the first sleeve (3); a limiting groove (5) is provided on one side of the second sleeve (4); a sliding fit is formed between the inner wall of the limiting groove (5) and the limiting ring (6).

2. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 1, characterized in that: The outer wall of the limiting ring (6) is provided with a plurality of evenly distributed connecting grooves (7), the outer wall of the second sleeve (4) is provided with connecting ports (8) corresponding one to one with the connecting grooves (7), and the inner wall of the connecting port (8) and the inner wall of the connecting groove (7) are slidably connected with a same connecting rod (9).

3. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 2, characterized in that: A connecting plate (10) is fixedly connected to one side of the connecting rod (9) away from the connecting groove (7), a connecting spring (11) is fixedly connected to one side of the connecting plate (10), and the connecting spring (11) is fixedly connected to the outer walls of the first sleeve (3) and the second sleeve (4).

4. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 1, characterized in that: The limiting mechanism comprises two symmetrically distributed double-ended threaded barrels (12), and the inner walls of the double-ended threaded barrels (12) are connected to threaded rods (13) via threads.

5. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 4, characterized in that: The two threaded rods (13) are both fixedly connected with positioning plates (14) at the ends thereof.

6. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 5, characterized in that: The positioning plate (14) is in an arc-shaped structure, and the center of the positioning plate (14) coincides with the center of the HDPE double-wall corrugated pipe body (1).

7. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 6, characterized in that: The inner wall of the HDPE double-wall corrugated pipe body (1) is provided with a positioning groove (15), and a sliding fit is formed between the inner wall of the positioning groove (15) and the positioning plate (14).

8. The limiting sleeve for HDPE double-wall corrugated pipe according to claim 7, characterized in that: The inner wall of the top of the positioning groove (15) is in an arc-shaped structure, and the center of the positioning groove (15) coincides with the center of the positioning plate (14).

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