A socketed plastic coated steel pipe

Abstract

The utility model relates to pipeline connection technical field, especially a socket type plastic coated steel pipe, including the pipe and the pipe, the pipe right end is provided with the slot, the pipe left end is fixedly connected with the plugboard, the pipe and the pipe joint place are jointly sleeved with the rubber ring, the pipe and the pipe outer surface are fixedly connected with the fixed device, the pipe and the pipe outer surface outside are all clamped with the mounting device. A socket type plastic coated steel pipe, through the cooperation of the two circular fixed connection rings of fixed device, positioning hole, plug rod and fastening nut, the pipe and the pipe are firmly locked, the joint can bear greater pressure and vibration, effectively avoid the loosening or disjoint phenomenon, guarantee the long -term stable operation of pipeline system under the complex working condition, greatly enhance the stability and reliability of the connecting structure, reduce the security risk due to improper installation.

Description

Technical Field

[0001] This utility model relates to the field of pipeline connection technology, and in particular to a socket-type plastic-coated steel pipe. Background Technology

[0002] In the field of pipeline engineering, plastic-coated steel pipes are widely used in various fluid transportation systems due to their advantages such as smooth inner wall, low fluid resistance, chemical corrosion resistance, and long service life. The traditional connection methods of plastic-coated steel pipes mainly include flange connection, welding, and threaded connection.

[0003] In recent years, socket-type connections have been increasingly used in pipeline engineering due to their ease of operation and high installation efficiency. However, existing socket-type plastic-coated steel pipes still have many shortcomings: 1. The stability of the connection structure is poor, and it is easy to loosen or even disconnect when subjected to large pressure or vibration; 2. There is a lack of effective fixing and auxiliary installation devices during the installation process, which affects construction efficiency and the overall performance of the pipeline. Utility Model Content

[0004] The main objective of this invention is to provide a socket-type plastic-coated steel pipe, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A socket-type plastic-coated steel pipe includes a socket pipe and a plug pipe. The right end of the socket pipe has a slot, and the left end of the plug pipe is fixedly connected to a plug plate. A rubber ring is fitted together at the connection between the socket pipe and the plug pipe. A fixing device is fixedly connected to the outer surfaces of the socket pipe and the plug pipe. An installation device is snapped onto the outer side of the outer surfaces of both the socket pipe and the plug pipe.

[0007] The installation device includes a mounting base, with two connecting plates fixedly connected to the front and rear ends of the mounting base. Each of the four connecting plates is threaded with a screw rod. A handwheel is fixedly connected to the upper end of each of the four screw rods, and a tapered tooth is fixedly connected to the lower end of each of the four screw rods. Rubber arc-shaped plates are fixedly connected to the upper parts of the front and rear ends of the mounting base. Fixing plates are fixedly connected to the inner sides of the two rubber arc-shaped plates. A fixing rod is inserted through the middle of the front end of the two fixing plates. A rotating groove is formed on the front and rear parts of the outer surface of the fixing rod, and a fastening block is threadedly connected to each of the two rotating grooves.

[0008] Preferably, the four connecting plates are arranged in a rectangular shape, and the four screws are located at the four corners of the front and rear ends of the mounting base.

[0009] Preferably, a plurality of levers are fixedly connected to the outer surface of the handwheel, and the plurality of levers are distributed in a circular array around the center of the handwheel.

[0010] Preferably, the fixing device includes two circular fixing connecting rings. Each of the two circular fixing connecting rings has five through-holes on its left end. Each of the ten positioning holes is connected to a rod through each pair of the ten positioning holes. The left and right sides of the outer surfaces of the five rods are provided with threaded grooves, and each of the ten threaded grooves is threaded with a fastening nut.

[0011] Preferably, the inner wall of the circular fixing ring on the left is fixedly connected to the right side of the outer surface of the receiving pipe, and the inner wall of the circular fixing ring on the right is fixedly connected to the left side of the outer surface of the insertion pipe.

[0012] Preferably, the inner surfaces of the ten fastening nuts are tightly fitted to the outer surfaces of the two circular fixing rings.

[0013] Preferably, the ten positioning holes are arranged in a ring-shaped array around the center of two circular fixing rings.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In this utility model, the two circular fixing connecting rings, positioning holes, insertion rods and fastening nuts of the fixing device are used to firmly lock the receiving pipe and the insertion pipe, so that the connection can withstand greater pressure and vibration, effectively avoid loosening or disconnection, ensure the long-term stable operation of the pipeline system under complex working conditions, and greatly enhance the stability and reliability of the connection structure.

[0016] 2. In this utility model, the auxiliary fixing structure composed of components such as the mounting base, connecting plate, screw, handwheel, and conical ground teeth in the installation device can quickly position and fix the pipeline during the installation process, reducing manual adjustment time. At the same time, the design of the rubber arc plate, fixing plate, insertion hole, and pin further enhances the stability and accuracy of the installation, which not only improves construction efficiency but also ensures that the overall performance of the pipeline is optimized, reducing safety hazards caused by improper installation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a socket-type plastic-coated steel pipe according to this utility model;

[0018] Figure 2 This is a schematic diagram showing the connection and disassembly of the socket-type plastic-coated steel pipe of this utility model.

[0019] Figure 3 This is a schematic diagram of the connection and disassembly structure of a fixing device for a socket-type plastic-coated steel pipe according to the present invention.

[0020] Figure 4This is a schematic diagram of the connection and disassembly structure of an installation device for a socket-type plastic-coated steel pipe according to this utility model.

[0021] In the diagram: 1. Receiving pipe; 2. Slot; 3. Inserting pipe; 4. Insert plate; 5. Rubber ring; 6. Fixing device; 7. Mounting device; 61. Circular fixing connecting ring; 62. Positioning hole; 63. Insert rod; 64. Threaded groove; 65. Fastening nut; 71. Mounting base; 72. Connecting plate; 73. Screw; 74. Handwheel; 75. Conical ground tooth; 76. Rubber arc plate; 77. Fixing plate; 78. Fixing rod; 79. Rotating groove; 710. Fastening block. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Please see Figure 1-4 This utility model provides a technical solution:

[0026] A socket-type plastic-coated steel pipe includes a socket pipe 1 and a plug pipe 3. The right end of the socket pipe 1 is provided with a slot 2, and the left end of the plug pipe 3 is fixedly connected with a plug plate 4. A rubber ring 5 is sleeved at the connection between the socket pipe 1 and the plug pipe 3. A fixing device 6 is fixedly connected to the outer surface of the socket pipe 1 and the plug pipe 3. An installation device 7 is snapped onto the outer side of the outer surface of both the socket pipe 1 and the plug pipe 3.

[0027] In this embodiment, the mounting device 7 includes a mounting base 71. Two connecting plates 72 are fixedly connected to the front and rear ends of the mounting base 71. Screws 73 are threadedly connected to the four connecting plates 72. Handwheels 74 are fixedly connected to the upper ends of the four screws 73. Tapered teeth 75 are fixedly connected to the lower ends of the four screws 73. Rubber arc plates 76 are fixedly connected to the upper parts of the front and rear ends of the mounting base 71. Fixing plates 77 are fixedly connected to the inner sides of the two rubber arc plates 76. Fixing rods 78 are inserted through the middle of the front ends of the two fixing plates 77. Rotating grooves 79 are opened on the front and rear parts of the outer surface of the fixing rods 78. Fastening blocks 710 are threadedly connected to the two rotating grooves 79. The four connecting plates 72 are rectangularly distributed, and the four screws 73 are located at the four corners of the front and rear ends of the mounting base 71. Several levers are fixedly connected to the outer surface of the handwheel 74, and the levers are arranged in a circular array around the center of the handwheel 74.

[0028] Through the above scheme: the screw 73 moves up and down in the connecting plates 72 at the four corners of the front and rear ends of the mounting base 71 by rotating the handwheel 74, and the conical ground teeth 75 are driven into the ground to complete the initial positioning of the mounting base 71. The ring handle on the outer surface of the handwheel 74 facilitates the application of force to rotate. The rubber arc plate 76 on the upper part of the mounting base 71 can be deformed by its own elasticity. The inner side fixing plate 77 passes through the fixing rod 78, and its rotating groove 79 is threadedly connected to the fastening block 710. When the fastening block 710 is rotated, the fixing plate 77 is pushed so that the rubber arc plate 76 is subjected to inward force, and it bends inward to clamp the object by its elasticity, which enhances the fixation versatility.

[0029] In this embodiment, the fixing device 6 includes two circular fixing connecting rings 61. Each of the two circular fixing connecting rings 61 has five through-holes 62 on its left end. Ten positioning holes 62 are connected to each other by insert rods 63. The left and right sides of the outer surfaces of the five insert rods 63 are provided with threaded grooves 64. Ten threaded grooves 64 are threaded with fastening nuts 65. The inner wall of the left circular fixing connecting ring 61 is fixedly connected to the right side of the outer surface of the receiving pipe 1, and the inner wall of the right circular fixing connecting ring 61 is fixedly connected to the left side of the outer surface of the insert pipe 3. The inner sides of the ten fastening nuts 65 are tightly fitted to the outer sides of the two circular fixing connecting rings 61 respectively. The ten positioning holes 62 are distributed in a ring array around the center of the two circular fixing connecting rings 61.

[0030] The above scheme involves welding the left circular fixing ring 61 to the right side of the receiving pipe 1 and the right circular fixing ring 61 to the left side of the insertion pipe 3. After inserting the insertion plate 4 into the slot 2, aligning the positioning holes 62 of the two fixed circular fixing rings 61 to form five sets of coaxial hole pairs. Insert the five insertion rods 63 into the coaxial positioning holes 62 respectively, ensuring that the threaded grooves 64 at both ends of the insertion rods 63 protrude outside the ring. Screw the fastening nuts 65 into the threaded grooves 64 at both ends of the insertion rods 63. Through the five sets of insertion rods 63-fastening nut 65 components distributed in a ring array, a circumferential constraint force is evenly applied. All fastening nuts 65 are tightened simultaneously, so that their inner surfaces are tightly fitted with the outer surfaces of the circular fixing rings 61, forming a rigid constraint structure that effectively resists axial tension and radial vibration, preventing pipe disconnection.

[0031] It should be noted that this utility model is a socket-type plastic-coated steel pipe. In the process of use, firstly, the insert plate 4 of the insert pipe 3 is inserted into the slot 2 of the receiving pipe 1. The rubber ring 5 at the connection between the two plays a sealing and buffering role, preventing water leakage and enhancing the connection stability. The left circular fixing connection ring 61 is fixed on the right side of the outer surface of the receiving pipe 1, and the right circular fixing connection ring 61 is fixed on the left side of the outer surface of the insert pipe 3. The insert rod 63 is passed through the two corresponding positioning holes 62, and the fastening nut 65 is tightened through the threaded groove 64 to make the two circular fixing connection rings 61 fit tightly, further fixing the connection of the steel pipe. The four screws 73 on the mounting base 71 are aligned with the ground. The handwheel 74 is turned to drive the screws 73 to make the conical teeth 75 sink into the ground, thereby fixing the mounting base 71. The steel pipe is placed between the two rubber arc plates 76. The fixing plate 77 is pushed to make the rubber arc plates 76 bend inward with elasticity to clamp the object. Then the fastening block 710 is rotated, and it moves in the rotating groove 79 to clamp the steel pipe, completing the installation.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A socket-type plastic-coated steel pipe, comprising a socket pipe (1) and a spigot pipe (3), characterized in that: The right end of the receiving pipe (1) is provided with a slot (2), the left end of the insertion pipe (3) is fixedly connected with a plate (4), the connection between the receiving pipe (1) and the insertion pipe (3) is fitted with a rubber ring (5), the outer surfaces of the receiving pipe (1) and the insertion pipe (3) are fixedly connected with a fixing device (6), and the outer surfaces of the receiving pipe (1) and the insertion pipe (3) are both fitted with an installation device (7). The mounting device (7) includes a mounting base (71). The front and rear ends of the mounting base (71) are fixedly connected to two connecting plates (72). Each of the four connecting plates (72) is threaded with a screw (73). The upper ends of the four screws (73) are fixedly connected to a handwheel (74). The lower ends of the four screws (73) are fixedly connected to a conical tooth (75). The upper parts of the front and rear ends of the mounting base (71) are fixedly connected to rubber arc plates (76). The inner sides of the two rubber arc plates (76) are fixedly connected to fixing plates (77). The middle front ends of the two fixing plates (77) are connected to a fixing rod (78). The front and rear outer surfaces of the fixing rod (78) are provided with rotating grooves (79). The two rotating grooves (79) are threadedly connected to fastening blocks (710).

2. The socket-type plastic-coated steel pipe according to claim 1, characterized in that: The four connecting plates (72) are arranged in a rectangular shape, and the four screws (73) are located at the four corners of the front and rear ends of the mounting base (71).

3. The socket-type plastic-coated steel pipe according to claim 1, characterized in that: The outer surface of the handwheel (74) is fixedly connected to several levers, and the levers are arranged in a circular array around the center of the handwheel (74).

4. A socket-type plastic-coated steel pipe according to claim 1, characterized in that: The fixing device (6) includes a circular fixing connecting ring (61), and there are two circular fixing connecting rings (61). Each of the two circular fixing connecting rings (61) has five through positioning holes (62) on the left end. The ten positioning holes (62) are connected to each other by insert rods (63). The left and right sides of the outer surfaces of the five insert rods (63) are provided with threaded grooves (64). All ten threaded grooves (64) are threaded with fastening nuts (65).

5. A socket-type plastic-coated steel pipe according to claim 4, characterized in that: The inner wall of the circular fixed connecting ring (61) on the left is fixedly connected to the right side of the outer surface of the receiving pipe (1), and the inner wall of the circular fixed connecting ring (61) on the right is fixedly connected to the left side of the outer surface of the insertion pipe (3).

6. A socket-type plastic-coated steel pipe according to claim 4, characterized in that: The inner sides of the ten fastening nuts (65) are respectively in close contact with the outer sides of the two circular fixing rings (61).

7. A socket-type plastic-coated steel pipe according to claim 4, characterized in that: The ten positioning holes (62) are arranged in a ring array around the center of two circular fixing rings (61).

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