Socket type plastic-coated steel pipe
By using the design of socket-type plastic-coated steel pipes, and by utilizing the combination of plug joints and plug grooves, as well as fixing and connecting units, the problems of unstable connection and poor sealing of traditional plastic-coated steel pipes are solved, achieving a stable connection and sealing effect, and simplifying the process.
Patent Information
- Application Number
- CN202520481185.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Traditional plastic-coated steel pipe connection methods are prone to weld defects, resulting in decreased sealing performance. Furthermore, the process is complex, time-consuming, and labor-intensive, and the connection is not stable enough.
The design employs a socket-type structure, which uses the mating of the plug and the socket, combined with the fixing unit and the connecting unit, and utilizes components such as screws, sliders, fastening seats, rotating shafts and hooks to achieve a firm connection between the plug tube and the socket tube, thereby enhancing stability and sealing.
It achieves a firm connection between the insertion pipe and the receiving pipe, prevents loosening, ensures the stability and sealing of the pipeline connection, simplifies the connection process, and reduces costs.
Smart Images
Figure CN223740255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a plastic coated steel pipe technical field, in particular to a socket type plastic coated steel pipe. BACKGROUND
[0002] The plastic coated steel pipe is also called plastic coated pipe, steel-plastic composite pipe or plastic coated steel pipe, which is a steel-plastic composite pipe with a plastic anticorrosive layer on the inner surface of the steel pipe (base pipe) or on the inner and outer surfaces of the steel pipe through spraying, rolling, dipping or absorbing process.
[0003] Traditional steel pipe connection is mostly connected by welding or simple thread connection. Although the welding connection has high connection strength, it is prone to weld defects such as pores and cracks during welding, which reduces the sealing performance of the pipe. The process is complex, time-consuming and labor-intensive, high in cost and difficult to guarantee quality and construction period. Therefore, a socket type plastic coated steel pipe is needed. UTILITY MODEL CONTENTS
[0004] The utility model discloses a socket type plastic coated steel pipe which can firmly fix the spigot pipe on the socket pipe, prevent loosening during use, further enhance the stability of the connection and ensure the sealing performance of the whole pipe connection.
[0005] To achieve the above-mentioned purpose, a socket type plastic coated steel pipe is provided, which comprises a spigot pipe and a socket pipe, one end of the spigot pipe is fixedly connected with a spigot, the outer side wall of the spigot pipe is provided with a connecting unit, one end of the socket pipe is provided with a spigot slot, and the outer side wall of the socket pipe is provided with a fixing unit.
[0006] The fixing unit comprises a mounting sleeve fixedly connected to the outer side wall of the socket pipe, the outer side wall of the mounting sleeve is provided with a groove, the inner wall of the groove is rotatably connected with a screw rod, the outer side wall of the screw rod is sleeved with a sliding block, one side of the sliding block is fixedly connected with a fastening seat, and the inner wall of the fastening seat is installed with a fixing rod.
[0007] According to the socket type plastic coated steel pipe, the connecting unit comprises a connecting sleeve fixedly connected to the outer side wall of the spigot pipe, the outer side wall of the connecting sleeve is fixedly connected with a connecting seat, the inner wall of the connecting seat is rotatably connected with a rotating shaft, and the outer side wall of the rotating shaft is fixedly connected with a connecting hook.
[0008] According to the socket type plastic coated steel pipe, the end of the hook away from the rotating shaft is hingedly connected with the fixing rod.
[0009] According to the socket type plastic coated steel pipe, the upper end of the fastening seat is provided with a fastening plate, the upper end of the fastening plate is screw-connected with a fastening bolt on both sides, and the two fastening bolts are both penetrated through the fastening plate and screw-connected with the upper end of the fastening seat.
[0010] According to the socket type plastic coated steel pipe, the plug-in head is adapted to the inner wall of the plug-in groove, and the plug-in head and the plug-in groove are in sliding connection.
[0011] The utility model has the advantages of the following beneficial effects:
[0012] 1、Compared with the prior art, through the cooperation of the fixing unit and the connecting unit, the plug-in pipe can be firmly fixed on the receiving pipe, preventing loosening during use, further enhancing the stability of the connection, and ensuring the sealing of the entire pipeline connection. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further described below in combination with the drawings and examples;
[0014] Figure 1 It is the overall perspective view of the socket type plastic coated steel pipe of the utility model;
[0015] Figure 2 It is the plug-in pipe perspective view of the socket type plastic coated steel pipe of the utility model;
[0016] Figure 3 It is the receiving pipe perspective view of the socket type plastic coated steel pipe of the utility model;
[0017] Figure 4 It is Figure 3 The structure of A in the middle is enlarged.
[0018] LEGEND:
[0019] 1、Plug-in pipe; 101, plug-in head; 2, receiving pipe; 201, plug-in groove; 3, connecting unit; 4, fixing unit; 401, mounting sleeve; 402, groove body; 403, screw rod; 404, sliding block; 405, fastening seat; 406, fixing rod; 4051, fastening plate; 4052, fastening bolt; 301, connecting sleeve; 302, connecting seat; 303, rotating shaft; 304, hook. DETAILED DESCRIPTION
[0020] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0021] Refer to Figures 1-4The utility model discloses an embodiment of a socket and spigot type plastic coated steel pipe, which comprises a spigot pipe 1 and a socket pipe 2, one end of the spigot pipe 1 is fixedly connected with a spigot 101, the outer side wall of the spigot pipe 1 is provided with a connecting unit 3, one end of the socket pipe 2 is provided with a spigot groove 201, and the outer side wall of the socket pipe 2 is provided with a fixing unit 4.
[0022] The fixing unit 4 comprises a mounting sleeve 401 fixedly connected to the outer side wall of the socket pipe 2, the outer side wall of the mounting sleeve 401 is provided with a groove 402, the inner wall of the groove 402 is rotatably connected with a screw rod 403, one end of the screw rod 403 penetrates through the mounting sleeve 401, the outer side wall of the screw rod 403 is sleeved with a sliding block 404, one side of the sliding block 404 is fixedly connected with a fastening seat 405, and the inner wall of the fastening seat 405 is mounted with a fixing rod 406. The fixing unit 4 is convenient for fixing the spigot pipe 1 and the socket pipe 2.
[0023] The connecting unit 3 comprises a connecting sleeve 301 fixedly connected to the outer side wall of the spigot pipe 1, the outer side wall of the connecting sleeve 301 is fixedly connected with a connecting seat 302, the inner wall of the connecting seat 302 is rotatably connected with a rotating shaft 303, and the outer side wall of the rotating shaft 303 is fixedly connected with a connecting hook 304. The connecting unit 3 is convenient for connecting the spigot pipe 1 and the socket pipe 2.
[0024] One end of the hook 304 away from the rotating shaft 303 is clamped and connected with the fixing rod 406. The hook 304 and the fixing rod 406 make the connection between the spigot 101 and the spigot groove 201 more compact.
[0025] The upper end of the fastening seat 405 is provided with a fastening plate 4051, the upper end of the fastening plate 4051 is screw-connected with fastening bolts 4052 on both sides, and the two fastening bolts 4052 penetrate through the fastening plate 4051 and are screw-connected with the upper end of the fastening seat 405. The fastening plate 4051 limits the hook 304 to prevent the hook 304 from falling off.
[0026] The spigot 101 is adapted to the inner wall of the spigot groove 201, and the spigot 101 and the spigot groove 201 are slidingly connected. The spigot 101 and the spigot groove 201 are convenient for connecting the spigot pipe 1 and the socket pipe 2.
[0027] Working principle: when using, the plug-in pipe 1 one end of the plug-in head 101 is inserted into the plug-in slot 201 of the receiving pipe 2 one end, realizes the preliminary positioning and the connection, when the plug-in head 101 is completely inserted into the plug-in slot 201, can pass through the rotation shaft 403 rotation hook 304, make its far away from the rotation shaft 403 one end and fixed rod 406 carding connection, after the connection is completed, rotate the screw rod 303, make the slider 404 along the screw rod 303 movement, thereby drive the fastening seat 405 movement, make the plug-in head 101 and the plug-in slot 201 between the connection more closely, when the fastening seat 405 moves and drive fixed rod 406 moves, thereby make hook 304 tightly card fixed rod 406, thereby realize the connection between the plug-in pipe 1 and the receiving pipe 2, prevent when the axial tension or external force effect appears the loosening or the falling phenomenon, after fixing, can pass through the fastening bolt 4052 and make fastening plate 4051 close to the surface of hook 304, further improve the stability of hook 304, prevent hook 304 falls off.
[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge scope possessed by the ordinary skill in the art of the technical field, various changes can also be made without departing from the purpose of the utility model.
Claims
1. A bell and spigot plastic coated steel pipe, characterized in that, Include: Plug pipe (1) and the receiving pipe (2), one end of the plug pipe (1) is fixedly connected with the plug (101), the outer wall of the plug pipe (1) is provided with a connecting unit (3), one end of the receiving pipe (2) is provided with a plug slot (201), the outer wall of the receiving pipe (2) is provided with a fixing unit (4); The fixing unit (4) includes a mounting sleeve (401) fixedly connected to the outer wall of the receiving pipe (2), the outer wall of the mounting sleeve (401) is provided with a groove (402), the inner wall of the groove (402) is rotatably connected with a screw rod (403), the outer wall of the screw rod (403) is sleeved with a sliding block (404), one side of the sliding block (404) is fixedly connected with a fastening seat (405), the inner wall of the fastening seat (405) is provided with a fixing rod (406).
2. A bell and spigot plastic coated steel pipe as claimed in claim 1, wherein, The connecting unit (3) includes a connecting sleeve (301) fixedly connected to the outer wall of the plug pipe (1), the outer wall of the connecting sleeve (301) is fixedly connected with a connecting seat (302), the inner wall of the connecting seat (302) is rotatably connected with a rotating shaft (303), the outer wall of the rotating shaft (303) is fixedly connected with a connecting hook (304).
3. A bell and spigot plastic coated steel pipe as claimed in claim 2 wherein, The hook (304) is away from the one end of the rotating shaft (303) and the fixed rod (406) is engaged.
4. The bell and spigot plastic coated steel pipe as claimed in claim 1, wherein, The upper end of the fastening seat (405) is provided with a fastening plate (4051), the upper end of the fastening plate (4051) is threadedly connected with a fastening bolt (4052) on both sides, and the two fastening bolts (4052) are penetrated through the fastening plate (4051) and are threadedly connected with the upper end of the fastening seat (405).
5. The bell and spigot plastic coated steel pipe as claimed in claim 1, wherein, The plug (101) is adapted to the inner wall of the plug slot (201), and the plug (101) and the plug slot (201) are slidably connected.