Steel-plastic composite pipe

Abstract

The utility model discloses a steel-plastic composite pipe, and particularly relates to the technical field of steel-plastic composite pipes, the steel-plastic composite pipe comprises a second pipe fitting, the left end of the outer surface of the second pipe fitting is provided with a plurality of first clamping grooves communicated with the outside in an annular array mode, and the left portion of an inner cavity of the second pipe fitting is fixedly connected with a clamping pipe; the left portion of the second pipe fitting is movably connected with a connecting mechanism, the left side of the exterior of the connecting mechanism is fixedly connected with a locking mechanism, the left side of the interior of the connecting mechanism is movably connected with a first pipe fitting part, and the right side of the interior of the first pipe fitting part is slidably connected with a sealing mechanism. According to the steel-plastic composite pipe, the first pipe part and the second pipe part can be mutually fixed and connected through the connecting mechanism, and a connecting gap between the first pipe part and the second pipe part can be tightly sealed through mutual matching of the sealing mechanism and the clamping pipe; therefore, the tightness between the two is guaranteed, and the practicability and the universality of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-plastic composite pipes, in particular to a steel-plastic composite pipe. Background Art

[0002] Steel-plastic composite pipes are based on seamless steel pipes and welded steel pipes, and the inner wall is coated with high-adhesion, corrosion-resistant, food-grade hygienic polyethylene powder coating or epoxy resin coating; the water supply galvanized inner plastic-coated composite steel pipe is made by pre-treatment, preheating, internal coating, leveling, and post-treatment processes. It is an upgraded product of the traditional galvanized pipe. The steel-plastic composite pipe is generally connected by thread, groove, and flange.

[0003] Chinese patent document CN214037228U discloses a steel-plastic composite pipe, including a pipe fitting, wherein there are two pipe fittings in total, and a connecting device is installed at the opposite end of the two pipe fittings, and a connecting piece is installed between the two connecting devices. The two ends of the connecting piece are respectively located inside the two connecting devices, and a rubber pad is provided between the pipe fitting and the connecting device. The two ends of the rubber pad extend to the inside of the pipe fitting and the connecting device for snap connection, and a fixing device is installed on the outside of the rubber pad. The above patent document provides a connecting piece located inside two fixed blocks, and the two ends of the connecting piece are snap-connected inside the two fixed blocks, so that the connecting piece can be rotated to a certain angle inside the fixed block, so that the two pipe fittings can be adjusted at multiple angles according to the site, solving the problem that the existing composite pipe cannot achieve the predetermined effect during the pipeline redirection process.

[0004] The above patent document can be adjusted at multiple angles according to the site during implementation, but it cannot guarantee the tightness of the connection between the two pipes, resulting in the risk of leakage of the pipes during operation, resulting in reduced work efficiency. Utility Model Content

[0005] The main purpose of the utility model is to provide a steel-plastic composite pipe, which can effectively solve the problem that the tight connection between two pipes cannot be guaranteed.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A steel-plastic composite pipe includes a second pipe fitting, a plurality of clamping grooves communicating with the outside world are provided in a circular array on the left end of the outer surface of the second pipe fitting, a clamping tube is fixedly connected to the left part of the inner cavity of the second pipe fitting, a connecting mechanism is movably connected to the left part of the second pipe fitting, a locking mechanism is fixedly connected to the left side of the outside of the connecting mechanism, a first pipe fitting component is movably connected to the left side of the inside of the connecting mechanism, and a sealing mechanism is slidably connected to the right side of the inside of the first pipe fitting component.

[0008] Preferably, the first pipe fitting component includes pipe fitting 1, the right part of the inner cavity of pipe fitting 1 is provided with a mounting groove communicating with the outside world, the right end of the outer surface of pipe fitting 1 is provided with a clamping groove 2 communicating with the outside world in a circular array, and the upper right side of the outer surface of pipe fitting 1 is symmetrically provided with a sliding groove communicating with the outside world.

[0009] Preferably, the sealing mechanism includes a sealing cover, and a connecting column is symmetrically fixedly connected to the left side of the upper outer surface of the sealing cover, and the upper ends of the outer surfaces of the two connecting columns are commonly fixedly connected to a handheld component, and the two connecting columns are respectively slidably connected to the corresponding inner cavities of the slide groove.

[0010] Preferably, the handheld assembly includes a handle, a rotation groove communicating with the outside is opened in the middle of the handle, and an annular groove communicating with the inner cavity of the rotation groove is opened on the left side of the rotation groove.

[0011] Preferably, the locking mechanism includes a rotating ring, and a clamping column is fixedly connected to the left end of the outer surface of the rotating ring.

[0012] Preferably, the connecting mechanism includes two connecting plates, and the inner surfaces of the two connecting plates are fixedly connected to a plurality of clamping blocks in a circular array on one side away from each other, and the exteriors of the two connecting plates are threadedly connected to a plurality of fastening screws in a common circular array.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The utility model can fix and connect the first pipe component and the second pipe component to each other through the connecting mechanism, and can tightly seal the connecting gap between the first pipe component and the second pipe component through the cooperation between the sealing mechanism and the clamping tube, thereby ensuring the tightness between the two and improving the practicality and universality of the device.

[0015] 2. The utility model slides the sealing cover in the inner cavity of the installation groove so that it is completely clamped in the inner cavity of the clamping tube, so that there is no connection gap between the first pipe fitting and the second pipe fitting, which causes the risk of leakage during use, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the first pipe component of the utility model;

[0018] Figure 3 This is a schematic diagram of the sealing mechanism structure of the present utility model;

[0019] Figure 4 This is a schematic diagram of the locking mechanism structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the connecting mechanism structure of the present utility model.

[0021] In the figure: 1. First pipe fitting component; 11. Pipe fitting 1; 12. Mounting groove; 13. Clamping groove 2; 14. Slide groove; 2. Sealing mechanism; 21. Sealing cover; 22. Connecting column; 23. Handheld assembly; 231. Handle; 232. Rotating groove; 233. Annular groove; 3. Connecting mechanism; 31. Connecting plate; 32. Clamping block; 33. Fastening screw; 4. Locking mechanism; 41. Rotating ring; 42. Clamping column; 5. Second pipe fitting; 51. Clamping groove 1; 6. Clamping pipe. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 As shown, a steel-plastic composite pipe includes a second pipe fitting 5. A plurality of clamping grooves 51 communicating with the outside are provided in an annular array on the left end of the outer surface of the second pipe fitting 5. A clamping tube 6 is fixedly connected to the left part of the inner cavity of the second pipe fitting 5. A connecting mechanism 3 is movably connected to the left part of the second pipe fitting 5, which can realize the function of connecting the pipe fitting 11 with the second pipe fitting 5. A locking mechanism 4 is fixedly connected to the left side of the outer side of the connecting mechanism 3, which can realize the function of locking the sealing mechanism 2. The first pipe fitting component 1 is movably connected to the left side of the inner side of the connecting mechanism 3, which can realize the function of installing the sealing mechanism 2 and cooperating with the second pipe fitting 5. The sealing mechanism 2 is slidably connected to the right side of the inner side of the first pipe fitting component 1, which can realize the function of sealing the connection between the first pipe fitting component 1 and the second pipe fitting 5.

[0024] In order to achieve the purpose of installing the sealing mechanism 2 and connecting the second pipe 5, refer to Figure 2 The first pipe component 1 includes a pipe 11. The right part of the inner cavity of the pipe 11 is provided with a mounting groove 12 that is communicated with the outside world, which can realize the function of installing the sealing cover 21. The right end of the outer surface of the pipe 11 is provided with a ring array of clamping grooves 2 that are communicated with the outside world, which can be fixed in cooperation with the corresponding clamping blocks 32. The upper right side of the outer surface of the pipe 11 is symmetrically provided with sliding grooves 14 that are communicated with the outside world.

[0025] In order to achieve the purpose of sealing the connection between the first pipe component 1 and the second pipe component 5, refer to Figure 3The sealing mechanism 2 includes a sealing cover 21, and a connecting column 22 is symmetrically fixedly connected to the left side of the upper outer surface of the sealing cover 21. The upper ends of the outer surfaces of the two connecting columns 22 are jointly fixedly connected to a handheld component 23, which can drive the sealing cover 21 to slide while cooperating with the locking mechanism 4, and the two connecting columns 22 are respectively slidably connected to the corresponding inner cavities of the slide groove 14.

[0026] In order to achieve the purpose of driving the sealing cover 21 to slide and cooperate with the locking mechanism 4, refer to Figure 4 The handheld assembly 23 includes a handle 231 , a rotation groove 232 communicating with the outside is opened in the middle of the handle 231 , and an annular groove 233 communicating with the inner cavity of the rotation groove 232 is opened on the left side of the rotation groove 232 .

[0027] After the pipe 11 and the second pipe 5 are connected to each other, the sealing cover 21 can be driven to slide toward the inner cavity of the clamping tube 6 by pushing the handheld component 23, so that there is no gap between the pipe 11 and the second pipe 5.

[0028] In order to achieve the purpose of locking the sealing mechanism 2, refer to Figure 4 The locking mechanism 4 includes a rotating ring 41 , and a clamping column 42 is fixedly connected to the left end of the outer surface of the rotating ring 41 .

[0029] When the position of the sealing cover 21 needs to be fixed, the clamping column 42 is first inserted into the inner cavity of the rotating groove 232, and then the clamping column 42 is rotated 90° so that the clamping block at the end of the clamping column 42 is clamped in the inner cavity of the annular groove 233, thereby locking the position of the sealing cover 21.

[0030] In order to achieve the purpose of connecting the pipe 11 with the second pipe 5, refer to Figure 5 The connecting mechanism 3 includes two connecting plates 31, and the inner surfaces of the two connecting plates 31 are fixedly connected to a plurality of clamping blocks 32 on the sides away from each other in a circular array, and the outer surfaces of the two connecting plates 31 are threadedly connected to a plurality of fastening screws 33 in a common circular array.

[0031] After the clamping blocks 32 are clamped in the corresponding inner cavities of the second clamping grooves 13 , the pipe 11 and the second pipe 5 can be connected and fixed by a plurality of fastening screws 33 .

[0032] The working principle of the present invention is as follows: first, the pipe fitting 11 and the second pipe fitting 5 are connected to each other through two connecting plates 31, and then the two are fixedly connected by a plurality of fastening screws 33. At this time, the sealing cover 21 can be driven to slide toward the inner cavity of the clamping tube 6 by pushing the handle 231. During this period, the clamping column 42 will slide into its inner cavity along the rotating groove 232, and then the clamping column 42 is rotated 90° to clamp it in the inner cavity of the annular groove 233.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A steel-plastic composite pipe, comprising a second pipe member (5), characterized in that: The left end of the outer surface of the second pipe (5) is provided with a plurality of clamping grooves (51) in an annular array and communicated with the outside. The left part of the inner cavity of the second pipe (5) is fixedly connected to a clamping tube (6). The left part of the second pipe (5) is movably connected to a connecting mechanism (3). The left side of the outer surface of the connecting mechanism (3) is fixedly connected to a locking mechanism (4). The left side of the inner surface of the connecting mechanism (3) is movably connected to the first pipe component (1). The right side of the inner surface of the first pipe component (1) is slidably connected to a sealing mechanism (2).

2. The steel-plastic composite pipe according to claim 1, characterized in that: The first pipe component (1) includes a pipe one (11), a mounting groove (12) communicating with the outside world is provided on the right side of the inner cavity of the pipe one (11), a clamping groove two (13) communicating with the outside world is provided in an annular array at the right end of the outer surface of the pipe one (11), and a sliding groove (14) communicating with the outside world is symmetrically provided on the right side of the upper portion of the outer surface of the pipe one (11).

3. The steel-plastic composite pipe according to claim 2, characterized in that: The sealing mechanism (2) comprises a sealing cover (21), a connecting column (22) being symmetrically fixedly connected to the left side of the upper portion of the outer surface of the sealing cover (21), a handheld assembly (23) being fixedly connected to the upper portions of the outer surfaces of the two connecting columns (22), and the two connecting columns (22) are respectively slidably connected to the inner cavities of the corresponding slide grooves (14).

4. The steel-plastic composite pipe according to claim 3, characterized in that: The handheld assembly (23) comprises a handle (231), a rotation groove (232) communicating with the outside is provided in the middle of the handle (231), and an annular groove (233) communicating with the inner cavity of the rotation groove (232) is provided on the left side of the rotation groove (232).

5. The steel-plastic composite pipe according to claim 1, characterized in that: The locking mechanism (4) comprises a rotating ring (41), and a clamping column (42) is fixedly connected to the left end of the outer surface of the rotating ring (41).

6. The steel-plastic composite pipe according to claim 1, characterized in that: The connecting mechanism (3) comprises two connecting disks (31), wherein a plurality of clamping blocks (32) are fixedly connected in an annular array on one side of the inner surfaces of the two connecting disks (31) away from each other, and a plurality of fastening screws (33) are threadedly connected in an annular array on the outside of the two connecting disks (31).

Images