Quick connecting joint for polyethylene composite pipeline
By designing limiting and fixing mechanisms, the problems of connection detachment and distance adjustment in polyethylene composite pipes have been solved, achieving stable and rapid connection of polyethylene composite pipes.
Patent Information
- Application Number
- CN202520568722.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing quick-connect fittings for polyethylene composite pipes are prone to detachment and the connection distance is difficult to adjust, resulting in low connection efficiency.
A quick-connector for polyethylene composite pipes was designed, comprising a limiting mechanism, a connection distance adjustment mechanism, and a fixing mechanism. The connection is achieved through a limiting groove and a limiting block, the connection distance is adjusted using a positioning block, a plug rod, and a threaded rod, and quick fixing is achieved by combining an outer ring and a threaded rod.
It achieves stability and flexibility in polyethylene composite pipe connections, allowing for adjustment of connection distances as needed, preventing detachment, and improving connection efficiency.
Smart Images
Figure CN223725775U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of polyethylene composite pipeline, specifically to a polyethylene composite pipeline quick connection joint. BACKGROUND
[0002] The polyethylene composite pipeline has a wide range of applications. First, in the urban water supply system, it can transport drinking water, supply fire water, and also can be used to transport industrial water. Secondly, in the urban drainage system, the polyethylene composite pipeline can transport sewage, rainwater and industrial wastewater, and can withstand certain pressure. In addition, the polyethylene composite pipeline is also widely used in the field of oil and gas transportation, which can transport crude oil, natural gas and liquefied petroleum gas and other energy resources. Finally, it is also widely used in the chemical industry, which can transport various chemical liquids and can withstand high pressure and temperature. At present, when the polyethylene composite pipelines are connected, the connecting joint is needed for connection, but the current connecting joint has low efficiency when connecting. Therefore, we propose a polyethylene composite pipeline quick connection joint.
[0003] The polyethylene composite pipeline quick connection joint currently used is prone to falling off when connected, and the connection distance between the polyethylene composite pipelines is difficult to adjust, so different polyethylene composite pipeline connecting joints need to be replaced to connect the polyethylene composite pipelines. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a polyethylene composite pipeline quick connection joint to solve the problem of the polyethylene composite pipeline quick connection joint currently used being prone to falling off when connected, and the connection distance between the polyethylene composite pipelines being difficult to adjust, so different polyethylene composite pipeline connecting joints need to be replaced to connect the polyethylene composite pipelines.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a polyethylene composite pipeline quick connection joint, which comprises a first connecting joint shell, a second connecting joint shell is arranged on one side of the outer wall of the first connecting joint shell, the first connecting joint shell is movably connected with the second connecting joint shell through a limiting mechanism, the second connecting joint shell is fixedly connected with the first connecting joint shell through a connection distance adjusting mechanism, and the inner walls of the first connecting joint shell and the second connecting joint shell are both connected with a fixing mechanism.
[0006] Preferably, the limiting mechanism comprises a limiting tube, a limiting groove and a limiting block, the limiting tube is welded on one side of the outer wall of the second connecting joint shell, limiting grooves are formed on the inner wall of the limiting tube, and the limiting block is welded on one side of the outer wall of the first connecting joint shell.
[0007] Preferably, the limiting block and the limiting tube form a sliding structure through the limiting groove, and the limiting block is symmetrically arranged with the central axis of the limiting tube.
[0008] Preferably, the connecting distance adjusting mechanism comprises a positioning block, a plug rod, a connecting tube, a sealing gasket and a first threaded rod, the positioning block is welded on the outer wall of the second connecting joint shell, the plug rod is welded on one side of the outer wall of the positioning block, the connecting tube is welded on the outer wall of the first connecting joint shell, the sealing gasket is bonded on the outer surface of the plug rod, and the first threaded rod is connected to the inner wall of the connecting tube.
[0009] Preferably, the first threaded rod is threadedly connected to the plug rod through the connecting tube, and the first threaded rod is symmetrically arranged with the central axis of the first connecting joint shell.
[0010] Preferably, the fixing mechanism comprises an external ring, a second threaded rod, a connecting block and an arc-shaped block, the external ring is welded on both sides of the inner wall of the first connecting joint shell, the second threaded rod is threadedly connected to the inner wall of the first connecting joint shell, the connecting block is movably connected to the lower surface of the second threaded rod, and the connecting block is slidably connected to the first connecting joint shell through the arc-shaped block.
[0011] Compared with the prior art, the polyethylene composite pipe quick connecting joint has the following beneficial effects:
[0012] 1. The polyethylene composite pipe quick connecting joint can adjust the distance of the polyethylene composite pipe during connection, so that the polyethylene composite pipe can be connected according to different conditions.
[0013] 2. The polyethylene composite pipe quick connecting joint can quickly fix the first connecting joint shell and the second connecting joint shell on the surface of the polyethylene composite pipe, so that the polyethylene composite pipe can be quickly connected during connection. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view of the utility model;
[0015] Figure 2 It is a fixing mechanism drawing of the utility model;
[0016] Figure 3The utility model discloses a limiting mechanism diagram;
[0017] Figure 4 The utility model discloses a connecting distance adjusting mechanism diagram.
[0018] In the drawing: 1, first connecting joint shell, 2, second connecting joint shell, 3, limiting mechanism, 301, limiting pipe, 302, limiting groove, 303, limiting block, 4, connecting distance adjusting mechanism, 401, locating block, 402, plug rod, 403, connecting pipe, 404, sealing gasket, 405, first threaded rod, 5, fixed mechanism, 501, external ring, 502, second threaded rod, 503, connecting block, 504, arc block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.
[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of polyethylene composite pipeline quick connecting joint, including first connecting joint shell 1, the outer wall one side of first connecting joint shell 1 is provided with second connecting joint shell 2, first connecting joint shell 1 is connected with second connecting joint shell 2 movably by limiting mechanism 3, limiting mechanism 3 includes limiting pipe 301, limiting groove 302 and limiting block 303, limiting pipe 301 is welded and installed in the outer wall one side of second connecting joint shell 2, limiting groove 302 is all set in the inner wall of limiting pipe 301, limiting block 303 is welded and installed in the outer wall one side of first connecting joint shell 1, first connecting joint shell 1 is moved to make it drive limiting block 303 in the limiting groove 302 of the inner wall of limiting pipe 301 and carry out activity, so it can be connected to polyethylene composite pipeline between alignment, so it can adjust the distance between first connecting joint shell 1 and second connecting joint shell 2, so it can adjust the distance of polyethylene composite pipeline connection, so it is not necessary for the polyethylene composite pipeline of different length to be selected to connect, limiting block 303 forms sliding structure with limiting groove 302 and limiting pipe 301, and limiting block 303 is symmetrically arranged with the central axis of limiting pipe 301, so it can be connected to polyethylene pipeline between limit, so as to avoid the misplacement when connecting, so as to influence the efficiency when connecting;
[0021] The second connecting joint shell 2 is fixedly connected with the first connecting joint shell 1 through the connecting distance adjusting mechanism 4, and the connecting distance adjusting mechanism 4 comprises positioning blocks 401, plug rods 402, connecting pipes 403, sealing pads 404 and first threaded rods 405. The positioning blocks 401 are welded on the upper and lower outer walls of the second connecting joint shell 2, the plug rods 402 are welded on one side of the outer wall of the positioning blocks 401, the connecting pipes 403 are welded on the upper and lower outer walls of the first connecting joint shell 1, the sealing pads 404 are bonded on the outer surfaces of the plug rods 402, the first threaded rods 405 are connected on the inner walls of the connecting pipes 403, the plug rods 402 connected on the outer walls of the positioning blocks 401 are movable on the inner surfaces of the connecting pipes 403, and the first threaded rods 405 are fixed in the inner walls of the connecting pipes 403 and penetrate the inner walls of the plug rods 402. In this way, the positions of the connecting pipes 403 and the plug rods 402 can be stably positioned, so that the relative positions of the first connecting joint shell 1 and the second connecting joint shell 2 can be fixed, and the polyethylene composite pipes can be quickly connected. The first threaded rods 405 are threadedly connected with the plug rods 402 through the connecting pipes 403, and the first threaded rods 405 are symmetrically arranged about the central axis of the first connecting joint shell 1. The plug rods 402 are fixedly connected with the second connecting joint shell 2, and the connecting pipes 403 are fixedly connected with the first connecting joint shell 1. In this way, the corresponding positions of the first connecting joint shell 1 and the second connecting joint shell 2 can be fixedly connected when the pipes are connected, so that the polyethylene pipes can be quickly connected.
[0022] The inner walls of the first connecting joint shell 1 and the second connecting joint shell 2 are connected with the fixing mechanisms 5, and the fixing mechanisms 5 comprise outer connecting rings 501, second threaded rods 502, connecting blocks 503 and arc-shaped blocks 504. The outer connecting rings 501 are welded on the inner walls of the first connecting joint shell 1, the second threaded rods 502 are threadedly connected on the upper and lower inner walls of the first connecting joint shell 1, the connecting blocks 503 are movably connected on the lower surfaces of the second threaded rods 502, the connecting blocks 503 are slidably connected with the first connecting joint shell 1 through the arc-shaped blocks 504, the second threaded rods 502 are rotatably movable on the upper and lower inner walls of the first connecting joint shell 1, the second threaded rods 502 are movably connected with the connecting blocks 503, so that the upper and lower positions of the arc-shaped blocks 504 can be moved, and the arc-shaped blocks 504 are movably arranged in the inner walls of the outer connecting rings 501. In this way, the surface side positions of the polyethylene composite pipes can be stably connected.
[0023] Working principle: first, the device is placed in the designated position, rotating the second threaded rod 502 in the first connecting joint shell 1 on the inner wall of the rotating activity, the second threaded rod 502 and connecting block 503 activity connection, so that the arc block 504 can drive the up and down position of the activity, while the arc block 504 in the inner wall of the outer ring 501 activity, so that the surface of the polyethylene composite pipe can be stably connected to one side of the position, moving the first connecting joint shell 1 makes it drive the limiting block 303 in the limiting groove 302 in the inner wall of the limiting tube 301 activity, so that the polyethylene composite pipe can be stably connected between the alignment, so that the distance between the first connecting joint shell 1 and the second connecting joint shell 2 can be adjusted, so that the distance of the polyethylene composite pipe connection can be adjusted, so as to need to select the connection of different length of polyethylene composite pipe, the outer wall of the positioning block 401 connecting the plug rod 402 in the inner surface of the connecting pipe 403 activity, rotating the first threaded rod 405 makes it fixed in the inner wall of the connecting pipe 403, at the same time through the inner wall of the plug rod 402, so that the position of the connecting pipe 403 and the plug rod 402 can be stably positioned, so that the relative position of the first connecting joint shell 1 and the second connecting joint shell 2 can be fixed, so that the polyethylene composite pipe can be quickly connected between them, so as to complete a kind of polyethylene composite pipe quick connector operation process.
[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A polyethylene composite pipe quick coupling joint, characterized by, The utility model provides a first connecting joint shell (1) is provided with second connecting joint shell (2) on one side of the outer wall of first connecting joint shell (1), and first connecting joint shell (1) is movably connected with second connecting joint shell (2) through limiting mechanism (3), and second connecting joint shell (2) is fixedly connected with first connecting joint shell (1) through connecting distance adjusting mechanism (4), and the inner wall of first connecting joint shell (1) and second connecting joint shell (2) is connected with fixed mechanism (5).
2. A polyethylene composite pipe quick coupling joint according to claim 1, characterized in that: The limiting mechanism (3) includes a limiting tube (301), a limiting groove (302), and a limiting block (303), the limiting tube (301) is welded on the outer wall of the second connecting joint shell (2), the limiting grooves (302) are formed on the inner wall of the limiting tube (301), and the limiting block (303) is welded on the outer wall of the first connecting joint shell (1).
3. A polyethylene composite pipe quick coupling joint according to claim 2, characterized in that: The limiting block (303) is slidably connected with the limiting tube (301) through the limiting groove (302), and the limiting block (303) is symmetrically arranged with the central axis of the limiting tube (301).
4. A polyethylene composite pipe quick coupling joint according to claim 1, characterized in that: The connecting distance adjusting mechanism (4) includes a positioning block (401), a plug rod (402), a connecting tube (403), a sealing gasket (404), and a first threaded rod (405), the positioning blocks (401) are welded on the outer wall of the second connecting joint shell (2), the plug rods (402) are welded on the outer wall of the positioning blocks (401), the connecting tubes (403) are welded on the outer wall of the first connecting joint shell (1), the sealing gaskets (404) are attached to the outer surface of the plug rods (402), and the first threaded rods (405) are connected to the inner wall of the connecting tubes (403).
5. A polyethylene composite pipe quick coupling joint according to claim 4, characterized in that: The first threaded rod (405) is threadedly connected with the plug rod (402) through the connecting tube (403), and the first threaded rod (405) is symmetrically arranged with the central axis of the first connecting joint shell (1).
6. A polyethylene composite pipe quick coupling joint according to claim 5, characterized in that: The fixed mechanism (5) includes an outer connecting ring (501), a second threaded rod (502), a connecting block (503), and an arc-shaped block (504), the outer connecting rings (501) are welded on the inner wall of the first connecting joint shell (1), the second threaded rods (502) are threadedly connected on the inner wall of the first connecting joint shell (1), the connecting blocks (503) are movably connected with the first connecting joint shell (1) through the arc-shaped blocks (504), and the connecting blocks (503) are movably connected with the first connecting joint shell (1) through the arc-shaped blocks (504).