A PE pipe coupling device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN DECAI MANAGEMENT CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-26
AI Technical Summary
Existing PE pipe connection devices are cumbersome to operate when clamping and limiting, requiring tools to adjust the clamping plates, and have low clamping accuracy, making them difficult to adapt to pipes of different diameters.
It adopts a combination of structures such as bracket, support rod, slide, lower clamping plate, upper clamping plate, screw, clamping block, base frame, stud, square tube, L-shaped plate, etc. By adjusting the cooperation of stud and bevel gear, it can quickly adapt to different pipe diameters, and use scale lines and support plate to raise and lower to calibrate the pipe axis, thereby improving clamping accuracy and stability.
It simplifies the clamping and adjustment process, improves the accuracy and stability of pipe connections, reduces the difficulty and time of operation, and achieves efficient coaxial alignment and fixation.
Smart Images
Figure CN224408523U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a pipe connection device, and more particularly to a PE pipe connection device, belonging to the technical field of PE pipe connection devices. Background Technology
[0002] PE pipe connections employ either thermofusion or mechanical joining techniques. In thermofusion, the pipe ends are heated to a specific temperature to melt them, and then the two pipe ends are quickly joined together to form a strong connection. Mechanical joining involves using special clamps or accessories to tightly secure two PE pipes together.
[0003] Pipeline connections require the use of butt welding devices such as PE hot melt welding machines. These are mechanical devices used to connect PE (polyethylene) pipes to each other or to other components. Through specific physical structures (such as joint bodies, sealing components, locking mechanisms, etc.), they achieve sealing, fixing, and anti-detachment of pipe connections, ensuring the sealing, safety, and stability of the pipeline system when transporting media (such as water, gas, etc.). They are suitable for various scenarios such as water supply and drainage, gas transmission, and agricultural irrigation.
[0004] Current technologies still have shortcomings:
[0005] Existing PE pipe connection devices have limitations in clamping and limiting pipes. On the one hand, when adjusting the clamps according to the pipe diameter, tools are needed to remove excess clamps and fix the remaining parts with screws, which is cumbersome and tool-dependent. On the other hand, the remaining clamps are thick and made of rigid material, making it difficult to fully fit pipes with more refined diameter classifications, resulting in low clamping accuracy.
[0006] To address these issues, a PE pipe connection device was designed. Utility Model Content
[0007] The main purpose of this utility model is to provide a PE pipe connection device to solve the problems mentioned in the background art.
[0008] The objective of this utility model can be achieved by adopting the following technical solution:
[0009] A PE pipe connection device includes two sets of supports, with symmetrical support rods between the two sets of supports. Slide seats slide on the support rods, and a lower clamping plate is installed on the top of each slide seat. An upper clamping plate is hinged to the lower clamping plate.
[0010] An adjustment mechanism is provided between the bracket and the slide. A screw is symmetrically threaded to the top of the upper clamping plate. A clamping block rotates at the bottom of the screw. A bottom frame is fixed at the bottom of the slide and aligned with the lower clamping plate. A stud rotates inside the bottom frame. A square tube is threaded on the outside of the stud, and the top of the square tube extends to the top of the lower clamping plate. A support plate is installed on the top of the square tube. An opening is provided at the connection between the lower clamping plate and the square tube. An L-shaped plate is fixed to one side of the square tube, and one end of the L-shaped plate extends to the outside of the bottom frame. A sliding hole is provided at the connection between the bottom frame and the L-shaped plate. A scale line is provided on the outside of the bottom frame and on the side of the opening.
[0011] Preferably, the adjusting mechanism includes a lead screw and a connecting rod. The connecting rod is installed at the lower end of the side of the bracket that is close to each other. The lead screw is rotatably installed on one side of the bracket. A fixed frame is fixed to the outside of the connecting rod, and the end of the lead screw passes through the interior of the fixed frame. A rotating shaft is rotatably installed on one side of the fixed frame, and the rotating shaft passes through the interior of the fixed frame. A bevel gear one is fixed to the end of the rotating shaft. A bevel gear two is fixed to the close ends of the lead screw. The bevel gear two meshes with the bevel gear one.
[0012] Preferably, a handle is fixedly installed at one end of the rotating shaft, and a bearing is provided at the connection between the rotating shaft and the fixed frame.
[0013] Preferably, the tray is an arc-shaped elastic plate, and the top of the tray is fixed with an anti-slip rubber layer.
[0014] Preferably, the square tube has a rectangular cross-section, and the outer wall of the square tube is coated with a solid lubricant.
[0015] Preferred: The scale lines are laser-engraved, the scale interval is 1mm, and the scale lines are marked with numerical labels.
[0016] Preferably, the slide is an L-shaped block seat, and a connecting pipe is provided at the connection between the slide and the support rod, with a lubricating coating inside the connecting pipe.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. This utility model, through the combined use of a bracket, support rod, slide block, lower clamping plate, upper clamping plate, screw, clamping block, base frame, stud, square tube, L-shaped plate, sliding hole, support plate, and through-hole, can conveniently clamp pipes of different diameters. By placing the pipe between the lower and upper clamping plates and adjusting the stud, it can accommodate various pipe diameters, allowing for quick operation. At the same time, combined with the scale value corresponding to the lifting height of the support plate, it can accurately calibrate the axis of the pipe to be connected, ensuring that the two are coaxial. This not only shortens the clamping and adjustment time and reduces the alignment difficulty, but also improves the accuracy of pipe connection and clamping stability.
[0019] 2. This utility model uses a fixed frame, bevel gear one, connecting rod, rotating shaft, lead screw and bevel gear two in combination to conveniently and efficiently clamp the pipe. Rotating bevel gear one can simultaneously drive the two sets of pipes to move towards the middle without separate operation, saving effort and making it more convenient. The position adjustment is more precise than that of existing pipe connection devices. Attached Figure Description
[0020] Figure 1 This is the front view of the present invention;
[0021] Figure 2 This is a sectional view of the bottom frame of this utility model;
[0022] Figure 3 For the present utility model Figure 1 Enlarged view of the structure at point A in the middle;
[0023] Figure 4 This is a cross-sectional view of the fixed frame of this utility model.
[0024] In the diagram: 1. Bracket; 2. Support rod; 3. Slide;
[0025] 4. Adjustment mechanism; 401. Fixed frame; 402. Bevel gear one; 403. Lead screw; 404. Bevel gear two; 405. Connecting rod; 406. Rotating shaft;
[0026] 5. Lower clamping plate; 6. Upper clamping plate; 7. Screw; 8. Clamping block; 9. Base frame; 10. Stud; 11. Square tube; 12. L-shaped plate; 13. Sliding hole; 14. Support plate; 15. Through port; 16. Scale line. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.
[0028] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0029] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0031] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0032] Example 1
[0033] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment proposes a PE pipe connection device, including two sets of supports 1, with support rods 2 symmetrically arranged between the two sets of supports 1, and slide blocks 3 sliding on the support rods 2. Each slide block 3 has a lower clamping plate 5 installed on its top, and an upper clamping plate 6 is hinged to the lower clamping plate 5.
[0034] An adjustment mechanism 4 is provided between the bracket 1 and the slide 3. The top of the upper clamping plate 6 is symmetrically threaded with screws 7. The bottom end of the screws 7 is rotatably connected with a clamping block 8. The bottom of the slide 3 is fixed with a base frame 9 at a position aligned vertically with the lower clamping plate 5. The bottom of the base frame 9 is rotatably connected with a stud 10. A square tube 11 is threadedly installed on the outside of the stud 10, and the top end of the square tube 11 extends through to the top of the lower clamping plate 5. A support plate 14 is installed on the top of the square tube 11. An opening 15 is provided at the connection between the lower clamping plate 5 and the square tube 11. An L-shaped plate 12 is fixed on one side of the square tube 11, and one end of the L-shaped plate 12 extends to the outside of the base frame 9. A sliding hole 13 is provided at the connection between the base frame 9 and the L-shaped plate 12. A scale line 16 is provided on the outside of the base frame 9 and on the side of the opening 15.
[0035] Place one set of pipes between the lower clamping plate 5 and the upper clamping plate 6. Depending on the pipe diameter, rotate the stud 10. With the opening 15 sliding and limiting the square tube 11, the stud 10 rotates and drives the square tube 11 to move upward. The square tube 11 pushes the support plate 14 upward, and at the same time, the square tube 11 drives the L-shaped plate 12 upward. Observe the position value of the L-shaped plate 12 at the scale line 16. Place another set of pipes between the other set of lower clamping plates 5 and upper clamping plates 6. According to the value of the scale line 16 corresponding to the L-shaped plate 12 of the upper set of pipes, rotate the stud 10 to adjust the L-shaped plate 12 to the same value on the scale line 16. This serves to calibrate the axes of the two pipes. Then rotate the screw 7 on the upper clamping plate 6 and manually fix the clamping block 8 so that the clamping block 8 moves downward to limit the top of the pipe.
[0036] Example 2
[0037] The following section provides a further description of the scheme in Example 1, focusing on its specific working method. See the description below for details:
[0038] like Figure 1 and Figure 4 As shown, in a preferred embodiment, based on the above method, the adjusting mechanism 4 further includes a lead screw 403 and a connecting rod 405. The connecting rod 405 is installed at the lower end of the side of the bracket 1 that is close to each other. The lead screw 403 is rotatably installed on one side of the bracket 1. The thread fit accuracy between the lead screw 403 and the slide block 3 needs to reach IT7 grade or above, and the straightness error of the support rod 2 is ≤0.05mm / m. A fixing frame 401 is fixed on the outside of the connecting rod 405, and the end of the lead screw 403 passes through the interior of the fixing frame 401. A rotating shaft 406 is rotatably installed on one side of the fixing frame 401, and the rotating shaft 406 passes through the interior of the fixing frame 401. A bevel gear 402 is fixed at the end of the rotating shaft 406, and a bevel gear 404 is fixed at the close ends of the lead screw 403. The bevel gear 404 meshes with the bevel gear 402.
[0039] Rotating the shaft 406 causes the shaft 406 to rotate, which in turn drives the two sets of bevel gears 404 to rotate. The bevel gears 404 then drive the lead screw 403 to rotate. Under the sliding limit of the support rod 2 on the slide block 3, the rotation of the lead screw 403 causes the slide block 3 to move horizontally to the middle position. The slide block 3 then drives the lower clamping plate 5, the upper clamping plate 6, and the pipe to move to the middle position until the end of the clamped pipe is in contact.
[0040] like Figure 1 and Figure 4 As shown, in a preferred embodiment, based on the above method, a handle is fixedly installed at one end of the rotating shaft 406, and a bearing is provided at the connection between the rotating shaft 406 and the fixed frame 401.
[0041] The handle is easy to operate manually, saving effort and time; the bearing reduces the frictional resistance when the shaft 406 rotates, making the adjustment smoother, while reducing component wear and extending service life.
[0042] like Figure 1 As shown, in a preferred embodiment, based on the above method, the support plate 14 is further an arc-shaped elastic plate, and the top of the support plate 14 is fixed with an anti-slip rubber layer.
[0043] The curved design conforms to the outer wall of the pipe, increasing the contact area; the elastic properties can adapt to different pipe diameters, enhancing the clamping fit; the anti-slip rubber layer increases friction, prevents pipe slippage, and improves clamping stability.
[0044] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the cross-section of the square tube 11 is rectangular, and the outer wall of the square tube 11 is coated with a solid lubricant.
[0045] The rectangular cross-section prevents the square tube 11 from rotating with the stud 10, ensuring stable vertical lifting; the solid lubricant reduces friction with the port 15, making the adjustment process smoother and reducing operating resistance.
[0046] like Figure 1 As shown, in a preferred embodiment, based on the above method, the scale line 16 is a laser-engraved scale line with a scale interval of 1mm, and a numerical label is marked next to the scale line 16.
[0047] The laser-engraved graduations are wear-resistant and do not easily fall off, maintaining clarity over a long period of time; the fine graduations and numerical markings facilitate quick reading, ensuring the accuracy of alignment between the two sets of pipe axes and improving docking accuracy.
[0048] like Figure 1 As shown, in a preferred embodiment, based on the above method, the slide 3 is further L-shaped block seat, and a connecting pipe is provided at the connection between the slide 3 and the support rod 2, and the inside of the connecting pipe is provided with a lubricating coating.
[0049] The L-shaped structure enhances the connection stability between the slide block 3 and the lower clamping plate 5, improving the load-bearing capacity; the lubricating coating reduces the friction between the slide block 3 and the support rod 2, making horizontal movement smoother and reducing adjustment energy consumption.
[0050] Example 3
[0051] The solutions in Embodiments 1 and 2 will be further described below with reference to their specific working methods.
[0052] Place the first set of pipes between the lower clamping plate 5 and the upper clamping plate 6, and rotate the stud 10 according to the pipe diameter; under the sliding limit action of the port 15 on the square tube 11, the stud 10 rotates and drives the square tube 11 to move upward, thereby pushing the support plate 14 to rise. At the same time, the square tube 11 drives the L-shaped plate 12 to move upward. Observe the marked position of the L-shaped plate 12 at the scale line 16.
[0053] Place the second set of pipes between the lower clamping plate 5 and the upper clamping plate 6 of the other set. Refer to the scale position of the L-shaped plate 12 after the adjustment of the first set of pipes, rotate the corresponding stud 10 to make the L-shaped plate 12 of this set align with the same value of the scale line 16, and complete the alignment of the two pipe axes.
[0054] Rotate the screw 7 on the upper clamping plate 6 to limit and fix the top of the two sets of pipes.
[0055] Rotating the fixed frame 401 drives the two sets of bevel gears 404 to rotate, which in turn drives the lead screw 403 to rotate. Under the sliding limit action of the support rod 2 on the slide block 3, the rotation of the lead screw 403 drives the slide block 3 to move horizontally towards the middle. The slide block 3 synchronously drives the lower clamping plate 5 and the pipe to move until the ends of the two pipes are in contact.
[0056] The above description is only a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope disclosed by the present utility model, based on the technical solution and concept of the present utility model, shall fall within the protection scope of the present utility model.
Claims
1. A PE pipe connection device, comprising two sets of supports (1), with support rods (2) symmetrically arranged between the two sets of supports (1), and slide seats (3) sliding on the support rods (2), with a lower clamping plate (5) installed on the top of each slide seat (3), and an upper clamping plate (6) hinged to the lower clamping plate (5). Its features are: An adjustment mechanism (4) is provided between the bracket (1) and the slide (3). A screw (7) is symmetrically threaded to the top of the upper clamping plate (6). A clamping block (8) rotates at the bottom of the screw (7). A bottom frame (9) is fixed at the bottom of the slide (3) and aligned vertically with the lower clamping plate (5). A stud (10) rotates inside the bottom frame (9). A square tube (11) is threaded on the outside of the stud (10), and the top of the square tube (11) extends through to the lower clamping plate. 5) At the top, a support plate (14) is installed on the top of the square tube (11). A through hole (15) is opened at the connection between the lower clamping plate (5) and the square tube (11). An L-shaped plate (12) is fixed on one side of the square tube (11), and one end of the L-shaped plate (12) extends to the outside of the bottom frame (9). A sliding hole (13) is opened at the connection between the bottom frame (9) and the L-shaped plate (12). A scale line (16) is set on the outside of the bottom frame (9) and on the side of the through hole (15).
2. The PE pipe connection device according to claim 1, characterized in that: The adjusting mechanism (4) includes a lead screw (403) and a connecting rod (405). The connecting rod (405) is installed at the lower end of the side of the bracket (1) that is close to each other. The lead screw (403) is rotatably installed on one side of the bracket (1). A fixed frame (401) is fixed on the outside of the connecting rod (405), and the end of the lead screw (403) passes through the inside of the fixed frame (401). A rotating shaft (406) is rotatably installed on one side of the fixed frame (401), and the rotating shaft (406) passes through the inside of the fixed frame (401). A bevel gear (402) is fixed at the end of the rotating shaft (406), and a bevel gear (404) is fixed at the end of the lead screw (403) that is close to each other. The bevel gear (404) meshes with the bevel gear (402).
3. A PE pipe connection device according to claim 2, characterized in that: A handle is fixedly installed at one end of the rotating shaft (406), and a bearing is provided at the connection between the rotating shaft (406) and the fixed frame (401).
4. A PE pipe connection device according to claim 1, characterized in that: The tray (14) is an arc-shaped elastic plate, and the top of the tray (14) is fixed with an anti-slip rubber layer.
5. A PE pipe connection device according to claim 1, characterized in that: The cross-section of the square tube (11) is rectangular, and the outer wall of the square tube (11) is coated with a solid lubricant.
6. A PE pipe connection device according to claim 1, characterized in that: The scale line (16) is a laser-engraved scale line with a scale interval of 1mm, and the scale line (16) is marked with a numerical label.
7. A PE pipe connection device according to claim 1, characterized in that: The slide (3) is an L-shaped block seat, and a connecting pipe is provided at the connection between the slide (3) and the support rod (2), and the inside of the connecting pipe is provided with a lubricating coating.