Steel-plastic composite pump pipe

Abstract

The utility model provides a steel-plastic composite pump pipe which comprises a pipe body, a fixing unit is arranged at the front end of the pipe body and comprises a fixing ring arranged at the front end of the pipe body, a fixing groove is formed in the middle of the fixing ring, and an inserting plate matched with the fixing groove is arranged at the rear end of the pipe body. According to the steel-plastic composite pump pipe, not only can the pump pipe be fixed through the fixing ring, but also the pin columns can be separated from the inserting holes of the fixing plate by pulling the pull rod, so that the pump pipe can be replaced and maintained more conveniently, and the steel-plastic composite pump pipe is more convenient to use and maintain. The working efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of pump pipe technology, and specifically relates to a steel-plastic composite pump pipe. Background Technology

[0002] Steel-plastic composite pump pipes typically use highly corrosion-resistant plastic materials inside. These materials have good resistance to most chemicals, including acids, alkalis, and other corrosive media, thus effectively preventing the inner wall of the pipe from being corroded. Compared with pure metal pipes, this design can significantly extend the service life of the pipe in corrosive environments.

[0003] In existing steel-plastic composite pump pipes, flanges are typically installed at both the front and rear ends of the pipe, and bolts are used to fix the flanges at both ends of the pipe for connection and fixation. However, this method does not allow for quick disassembly and assembly of the pump pipe. When maintenance or replacement of the pump pipe is required, workers need to use additional tools to remove multiple bolts, replace them, and then reinstall them, which is time-consuming. Especially in scenarios where frequent maintenance or replacement is required, work efficiency will be greatly affected. Utility Model Content

[0004] In view of this, this utility model addresses the shortcomings of the prior art by providing a steel-plastic composite pump pipe that can not only fix the pump pipe with a fixing ring, but also allow the pin to be disengaged from the insertion hole of the fixing plate by pulling the pull rod, so as to facilitate the replacement and maintenance of the pump pipe and improve work efficiency.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a steel-plastic composite pump pipe, including a pipe body, a fixing unit provided at the front end of the pipe body, the fixing unit including a fixing ring provided at the front end of the pipe body, a fixing groove provided in the middle of the fixing ring, an insert plate adapted to the fixing groove provided at the rear end of the pipe body, and a number of fixing members for fixing the insert plate evenly provided at the upper end of the fixing ring.

[0006] As a further improvement of this utility model, the fixing component includes a mounting box set at the upper end of the pipe body. A sliding plate is slidably arranged inside the mounting box. A pull rod is set at the upper end of the sliding plate, and a pull ring is set at the upper end of the pull rod. The pull rod extends to the upper end of the mounting box and is slidably connected to the side wall of the mounting box. A spring is connected between the sliding plate and the inner side wall of the mounting box. A pin is set at the lower end of the sliding plate. When it is necessary to replace the composite pump pipe, the pull ring is pulled in all directions. The pull ring drives the pull rod to move in all directions around the fixing ring. The movement of the pull rod drives the sliding plate to compress the spring and move in the direction of the outer side of the fixing ring. This causes the sliding plate to drive the pin and disengage from the insertion hole on the insert plate. Then the insert plate can be disengaged from the fixing ring in the fixing groove to replace the composite pump pipe.

[0007] As a further improvement of this utility model, the insert plate is provided with an insertion hole that is compatible with the pin.

[0008] As a further improvement of this utility model, the spring is sleeved on the outer arc surface of the pull rod.

[0009] As a further improvement of this utility model, a through hole adapted to the pin is provided on the fixing ring.

[0010] As a further improvement of this utility model, the pipe body is composed of an inner plastic material and an outer steel pipe. The plastic material is made of polyethylene, and the steel pipe is made of carbon steel.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] Firstly, by setting a fixed unit, pulling the pull ring can move the pull rod, which in turn moves the pin through the slide plate, so that the pin can be disengaged from the insertion hole on the insert plate, thus facilitating the replacement or maintenance of the pump pipe.

[0013] Secondly, by setting up pull rings, the pull rings can better secure the position of the worker's hands, reducing the risk of accidental injury caused by the hand slipping, which is especially important when working in wet or greasy environments.

[0014] Thirdly, the pipe body consists of an inner plastic material and an outer steel pipe. The plastic material is made of polyethylene, and the steel pipe is made of carbon steel. The plastic can effectively isolate the contact between the transported medium and the steel pipe, thereby greatly improving the corrosion resistance of the pump pipe, which is especially important for transporting corrosive liquids. The steel part in the outer layer gives the steel-plastic composite pump pipe sufficient mechanical strength and rigidity, enabling it to withstand high working pressure and external loads, while also resisting physical damage such as impact and compression. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the fixed unit structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the fastener structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the tube body, insert plate, and insertion hole structure of this utility model.

[0020] In the diagram: 101, tube body; 102, retaining ring; 103, insert plate; 104, retaining groove; 201, mounting box; 202, sliding plate; 203, pull rod; 204, spring; 205, pin; 206, pull ring; 207, insertion hole. Detailed Implementation

[0021] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.

[0022] like Figure 1 , 2 As shown in Figure 3, the steel-plastic composite pump pipe includes a pipe body 101, characterized in that: a fixing unit is provided at the front end of the pipe body 101, the fixing unit includes a fixing ring 102 provided at the front end of the pipe body 101, a fixing groove 104 is provided in the middle of the fixing ring 102, an insert plate 103 adapted to the fixing groove 104 is provided at the rear end of the pipe body 101, and a plurality of fixing members for fixing the insert plate 103 are evenly provided at the upper end of the fixing ring 102.

[0023] like Figure 2 , 3 As shown in Figure 4, the fixing component includes a mounting box 201 disposed at the upper end of the tube body 101. A sliding plate 202 is slidably disposed inside the mounting box 201. A pull rod 203 is disposed at the upper end of the sliding plate 202. The pull rod 203 extends to the upper end of the mounting box 201 and is slidably connected to the side wall of the mounting box 201. A spring 204 is connected between the sliding plate 202 and the inner side wall of the mounting box 201. The spring 204 is sleeved on the outer arc surface of the pull rod 203. A pin 205 is disposed at the lower end of the sliding plate 202. A groove is formed on the insert plate 103 to connect with the pin 205. When the composite pump tube needs to be replaced, pull the pull rings 206 in all directions. The pull rings 206 drive the pull rods 203 to move in all directions around the fixing ring 102. The movement of the pull rods 203 causes the slide plate 202 to compress the spring 204 and move it outward from the fixing ring 102. This causes the slide plate 202 to drive the pin 205 to disengage from the insertion hole 207 on the insertion plate 103. Then the insertion plate 103 can be disengaged from the fixing ring 102 in the fixing groove 104 to replace the composite pump tube.

[0024] like Figure 3 As shown, the fixing ring 102 has a through hole that matches the pin 205.

[0025] like Figure 1As shown, the pipe body 101 is composed of an inner plastic material and an outer steel pipe. The plastic material is made of polyethylene, and the steel pipe is made of carbon steel. The plastic can effectively isolate the contact between the conveying medium and the steel pipe, thereby greatly improving the corrosion resistance of the pump pipe, which is especially important for conveying corrosive liquids. The steel part in the outer layer gives the steel-plastic composite pump pipe sufficient mechanical strength and rigidity, enabling it to withstand high working pressure and external loads, while also resisting physical damage such as impact and compression.

[0026] When the pump tubing needs to be disassembled for maintenance, first pull the pull rings 206 in all directions. The pull rings 206 drive the pull rods 203 to move around the fixing ring 102. The movement of the pull rods 203 causes the sliding plate 202 to compress the spring 204 and move outwards from the fixing ring 102. This causes the sliding plate 202 to drive the pin 205 and disengage it from the insertion hole 207 on the insertion plate 103. Then, the insertion plate 103 can be disengaged from the fixing ring 102 in the fixing groove 104 to facilitate the replacement of the composite pump tubing. After replacement, push the insert plate 103 on the pump tube into the fixing groove 104 on the front pump tube fixing ring 102. Then pull the pull ring 206 around the fixing ring 102, so that it drives the pin 205 to move outward of the fixing ring 102 through the pull rod 203, so that its bottom abuts against the insert plate 103. Continue to push the insert plate 103 into the fixing groove 104 until the pin 205 is inserted into the insertion hole 207 on the insert plate 103 under the action of the spring 204, so that the pump tube can be replaced.

[0027] According to another embodiment of the present invention, such as Figure 2 , 3 As shown, the upper end of the lever 203 is provided with a pull ring 206. The pull ring 206 can better fix the position of the worker's hand and reduce the risk of accidental injury caused by the hand slipping, which is especially important when working in a wet or greasy environment.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A steel-plastic composite pump pipe, comprising a pipe body (101), characterized in that: The front end of the tube body (101) is provided with a fixing unit, which includes a fixing ring (102) provided at the front end of the tube body (101), a fixing groove (104) is provided in the middle of the fixing ring (102), and an insert plate (103) adapted to the fixing groove (104) is provided at the rear end of the tube body (101). A plurality of fixing members for fixing the insert plate (103) are evenly provided at the upper end of the fixing ring (102).

2. The steel-plastic composite pump pipe as described in claim 1, characterized in that: The fastener includes a mounting box (201) disposed at the upper end of the tube body (101), a sliding plate (202) is slidably disposed inside the mounting box (201), a pull rod (203) is disposed at the upper end of the sliding plate (202), the pull rod (203) extends to the upper end of the mounting box (201) and is slidably connected to the side wall of the mounting box (201), a spring (204) is connected between the sliding plate (202) and the inner side wall of the mounting box (201), and a pin (205) is disposed at the lower end of the sliding plate (202).

3. The steel-plastic composite pump pipe as described in claim 2, characterized in that: The insert plate (103) is provided with an insertion hole (207) that is compatible with the pin (205).

4. The steel-plastic composite pump pipe as described in claim 2, characterized in that: The spring (204) is sleeved on the outer arc surface of the pull rod (203).

5. The steel-plastic composite pump pipe as described in claim 2, characterized in that: A pull ring (206) is provided at the upper end of the pull rod (203).

6. The steel-plastic composite pump pipe as described in claim 2, characterized in that: The fixing ring (102) has a through hole that matches the pin (205).

7. The steel-plastic composite pump pipe as described in claim 1, characterized in that: The tube body (101) is composed of an inner plastic material and an outer steel tube.

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