Socket and spigot type concrete drain pipe

Abstract

The utility model discloses a socket type concrete drain pipe, which relates to the technical field of concrete drain pipes, and comprises a concrete pipe body, the left end of the concrete pipe body is provided with an inserting end, the right end of the concrete pipe body is provided with a bearing bulge end, and the outer surface of the inserting end is uniformly provided with positioning holes in four directions. A bell and spigot is formed in the right side of the surface of the bearing protruding end, a reinforcing ring metal plate is fixedly arranged on the inner wall of the bearing protruding end in the annular direction, and two sets of self-locking mechanisms are arranged on the inner surface of the reinforcing ring metal plate. Compared with an existing common socket type concrete drainage pipe, the socket type concrete drainage pipe has the advantages that the two concrete pipe bodies can be rapidly locked and assembled, locking connection is stable, the loosening phenomenon cannot be generated, manual and extra auxiliary fixing parts are not needed for socket fixing, operation is convenient and fast, manual and rapid assembling and splicing are facilitated, and the construction efficiency is improved. And the assembly efficiency of the concrete pipe body and the firmness and stability of assembly and use are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete drainage pipes, in particular to a socket-and-spigot type concrete drainage pipe. Background Art

[0002] With the rapid advancement of urbanization, many sewage treatment plants have been built or planned to be built in large and medium-sized cities in my country. A large amount of industrial wastewater and domestic sewage enters the sewage treatment plants through drainage pipes for centralized treatment. Most drainage pipes are made of reinforced concrete drainage pipes, and green and environmentally friendly cement is usually used in the manufacture of drainage pipes.

[0003] For example, the public document with application number 202021706418.1 discloses a socket-and-spigot concrete drain pipe, which is connected to the socket joint by a reinforcement piece on the outer side of the socket joint, and the reinforcement piece is engaged with the differential pipe joint by cooperating with the interface through a clamping column, so as to strengthen the connection between the plug-in pipe and the socket joint through the reinforcement piece, and the reinforcement piece is threadedly connected with a bolt extending into the socket joint to fix the reinforcement piece, so that after the water pipes are connected, the connection between the water pipes is not easy to loosen under the impact of water for a long time, thereby avoiding affecting the use of the drain pipe. However, when fixing the assembled concrete drain pipes, the socket-and-spigot concrete drain pipe needs to use additional fixing parts, which are manually tightened and fixed one by one. When the drainage pipe section is assembled for a long time, this assembly and fixing method is not conducive to manual use, and is extremely time-consuming and labor-intensive, resulting in low installation efficiency, affecting the engineering efficiency of the entire drainage pipe layout.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a socket-and-spigot concrete drain pipe is proposed. Utility Model Content

[0005] The utility model aims to provide a socket-and-spigot concrete drainage pipe to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a socket-and-spigot type concrete drainage pipe, comprising a concrete pipe body, wherein the left end of the concrete pipe body is arranged as a plug-in end, and the right end of the concrete pipe body is arranged as a receiving protrusion end, the outer surface of the plug-in end is provided with positioning holes evenly distributed in four directions, a socket is provided on the right side of the surface of the receiving protrusion end, a reinforcing ring metal plate is fixedly provided on the inner wall of the receiving protrusion end in an annular direction, and two sets of self-locking mechanisms are provided on the inner surface of the reinforcing ring metal plate.

[0007] Preferably, the wall thickness of the plug end is smaller than the overall wall thickness of the concrete pipe body, and the thickness and length of the plug end are matched with the socket.

[0008] Preferably, the self-locking mechanism comprises a guide rod fixedly mounted on the inner surface of the reinforcing ring metal plate, a thrust spring is sleeved on the outer side of the guide rod, and a locking block is fixedly mounted on one end of the thrust spring.

[0009] Preferably, one end of the thrust spring close to the guide rod and the reinforcement ring metal plate is also fixedly connected to the reinforcement ring metal plate, and the locking block is slidably sleeved on the surface of the guide rod.

[0010] Preferably, the locking block slides toward one end of the center of the concrete pipe body and penetrates the reinforcing ring metal plate, and the right side of the surface of the locking block is set as an inclined surface.

[0011] Preferably, a rubber ring is fixedly installed at the junction of the inner surface of the concrete pipe body and the plug-in end, and a steel cage is provided on the inner wall of the concrete pipe body.

[0012] Preferably, the steel cage includes annular reinforcement ribs evenly distributed and fixedly installed on the inner wall of the concrete tube body, five transverse reinforcement ribs are evenly distributed and fixedly installed on the surface of the annular reinforcement ribs, and oblique support reinforcement ribs are fixedly installed on the surface of the gaps between the annular reinforcement ribs separated by the transverse reinforcement ribs.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model can quickly lock and assemble two concrete pipes through the arrangement of positioning holes, sockets, self-locking mechanisms, guide rods, thrust springs and locking blocks. The locking connection is stable and will not loosen. There is no need to manually use auxiliary fixings for socket fixing. The operation is convenient and it is easy for manual rapid assembly and splicing, which greatly improves the assembly efficiency of the concrete pipe and the firmness and stability of the assembly and use.

[0015] 2. The utility model provides a rubber ring. After the two concrete pipes are assembled, the rubber ring on the left side of the inserted concrete pipe will be tightly pressed and fitted to the right end surface of the other inserted concrete pipe, thereby sealing the connection seam of the two concrete pipes, so that it is not easy to generate gaps when multiple groups of water pipes are connected, and water is not easy to leak from the water pipe connection, ensuring the stability of drainage work;

[0016] 3. The utility model can effectively strengthen the shape of each point of the concrete pipe body as a whole by setting up reinforcing ring metal plates, steel cages, annular reinforcing ribs, transverse reinforcing ribs and oblique supporting reinforcing ribs, thereby improving the shear bearing capacity and seismic strength of the entire concrete pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall front view and cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a schematic diagram of the steel cage structure of the utility model.

[0021] In the figure: 1. concrete pipe body; 2. plug-in end; 3. receiving protruding end; 4. positioning hole; 5. socket; 6. reinforcing ring metal plate; 7. self-locking mechanism; 701. guide rod; 702. thrust spring; 703. locking block; 8. rubber ring; 9. steel cage; 901. annular reinforcement ribs; 902. transverse reinforcement ribs; 903. oblique support reinforcement ribs. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 3 As shown, a socket-and-spigot type concrete drainage pipe comprises a concrete pipe body 1, the left end of the concrete pipe body 1 is arranged as a plug end 2, the right end of the concrete pipe body 1 is arranged as a receiving protruding end 3, the outer surface of the plug end 2 is provided with positioning holes 4 evenly distributed in four directions, a socket opening 5 is provided on the right side of the surface of the receiving protruding end 3, a reinforcing ring metal plate 6 is fixedly provided on the inner wall of the receiving protruding end 3 in an annular direction, and two sets of self-locking mechanisms 7 are provided on the inner surface of the reinforcing ring metal plate 6.

[0024] By adopting the above technical solution, the concrete pipe body 1 can be combined with another concrete pipe body 1 to perform a socket-and-spigot assembly by inserting the spigot end 2 into the socket 5;

[0025] The positioning hole 4 cooperates with the self-locking mechanism 7 to enable the two concrete pipe bodies 1 to be quickly locked and assembled;

[0026] The reinforcing ring metal plate 6 supports the receiving protruding end 3, improves the rigidity of the receiving protruding end 3, protects the relatively weak plug-in end 2 and the socket 5 after splicing, and prevents the plug-in end 2 and the socket 5 from being directly squeezed and sheared, resulting in breakage.

[0027] Furthermore, the wall thickness of the plug end 2 is smaller than the overall wall thickness of the concrete pipe body 1 , and the thickness and length of the plug end 2 are matched with the socket 5 .

[0028] By adopting the above technical solution, the matching splice end 2 and the socket 5 ensure the fit of the two concrete pipe bodies 1 during the socket assembly, reduce the possibility of gaps, and make the integrated fit after assembly higher.

[0029] Furthermore, the self-locking mechanism 7 includes a guide rod 701 fixedly mounted on the inner surface of the reinforcing ring metal plate 6 , a thrust spring 702 is sleeved on the outer side of the guide rod 701 , and a locking block 703 is fixedly mounted on one end of the thrust spring 702 .

[0030] By adopting the above technical solution, the thrust spring 702 pushes the locking block 703 to always be located inside the socket 5, thereby blocking the socket 5;

[0031] Furthermore, one end of the thrust spring 702 which is close to the guide rod 701 and installed with the reinforcing ring metal plate 6 is also fixedly connected to the reinforcing ring metal plate 6 , and the locking block 703 is slidably sleeved on the surface of the guide rod 701 .

[0032] By adopting the above technical solution, the guide rod 701 enables the locking block 703 to move more smoothly, thus avoiding deviation and jamming.

[0033] Furthermore, the locking block 703 slides toward one end of the center of the concrete pipe body 1 and penetrates the reinforcing ring metal plate 6, and the right side of the surface of the locking block 703 is set as an inclined surface.

[0034] By adopting the above technical solution, the right side slope of the locking block 703 can be used to push the locking block 703 to contract when the plug end 2 is inserted into the socket 5, so that the plug end 2 can be smoothly inserted into the socket 5 for socket assembly.

[0035] like Figure 2 and Figure 4 As shown, a rubber ring 8 is fixedly installed at the intersection of the inner surface of the concrete pipe body 1 and the plug-in end 2, and a steel cage 9 is provided on the inner wall of the concrete pipe body 1.

[0036] By adopting the above technical solution, the rubber ring 8 will be tightly pressed and fit to the right end surface of the other inserted concrete pipe body 1, thereby sealing the connection seam between the two concrete pipe bodies 1, so that it is not easy to produce gaps when multiple groups of water pipes are connected.

[0037] Furthermore, the steel cage 9 includes annular reinforcement ribs 901 that are evenly distributed and fixedly installed on the inner wall of the concrete pipe body 1, and five transverse reinforcement ribs 902 are evenly distributed and fixedly installed on the surface of the annular reinforcement ribs 901. The gap surfaces between the annular reinforcement ribs 901 separated by the transverse reinforcement ribs 902 are all fixedly installed with oblique support reinforcement ribs 903.

[0038] By adopting the above technical solution, a steel cage 9 composed of annular reinforcement ribs 901, transverse reinforcement ribs 902 and oblique support reinforcement ribs 903 supports the entire concrete pipe body 1 itself, so that the shear bearing capacity and seismic strength of the concrete pipe body 1 are higher.

[0039] Working principle: When using the socket-and-spigot concrete drainage pipe, first, the concrete pipe body 1 is supported and reinforced as a whole by a steel cage frame 9 composed of annular reinforcement ribs 901, transverse reinforcement ribs 902 and oblique support reinforcement ribs 903. When the reinforced concrete pipe body 1 is used, it is assembled and laid according to the length of different drainage channels. The concrete pipe body 1 is inserted into the socket 5 by the plug-in end 2 and can be combined with another concrete pipe body 1 for socket-and-spigot assembly. When the plug-in end 2 is inserted into the socket 5, the inclined surface will be used to push the locking block 703 to move along the guide rod 701 to retract and move into the reinforcement ring metal plate 6, and squeeze the thrust spring 702. When the locking block 703 is flush with the positioning hole 4, the thrust spring 702 will push the locking block 703 to extend out of the reinforcement ring metal plate again along the guide rod 701. The plate 6 is inserted into the positioning hole 4, so that the entire plug-in end 2 is limited by the right angle on the left side of the locking block 703, so that the two concrete pipe bodies 1 can be quickly locked and assembled. After the two concrete pipe bodies 1 are assembled, the rubber ring 8 on the left side of the inserted concrete pipe body 1 will be tightly squeezed and fit with the right end surface of the other inserted concrete pipe body 1, thereby sealing the connection joints of the two concrete pipe bodies 1, so as to assemble a complete, firm and highly sealed drainage pipe, and the reinforcing ring metal plate 6 supports the receiving protruding end 3, improves the rigidity of the receiving protruding end 3, protects the relatively weak plug-in end 2 and the socket 5 after splicing, and further strengthens the bearing strength of the assembly position of the concrete pipe body 1 after connection. This is the working principle of the socket-type concrete drainage pipe.

Claims

1. A spigot-and-socket concrete drainage pipe, comprising a concrete pipe body (1), characterized in that: The left end of the concrete pipe body (1) is arranged as a plug-in end (2), and the right end of the concrete pipe body (1) is arranged as a receiving protruding end (3). Positioning holes (4) are evenly distributed in four directions on the outer surface of the plug-in end (2), a socket (5) is arranged on the right side of the surface of the receiving protruding end (3), and a reinforcing ring metal plate (6) is fixedly arranged in an annular direction on the inner wall of the receiving protruding end (3), and two sets of self-locking mechanisms (7) are arranged on the inner surface of the reinforcing ring metal plate (6).

2. A socket-and-spigot concrete drain pipe according to claim 1, characterized in that: The wall thickness of the plug end (2) is smaller than the overall wall thickness of the concrete pipe body (1), and the thickness and length of the plug end (2) are matched with the socket (5).

3. The socket-and-spigot concrete drain pipe according to claim 1, characterized in that: The self-locking mechanism (7) comprises a guide rod (701) fixedly mounted on the inner surface of the reinforcing ring metal plate (6), a thrust spring (702) is sleeved on the outer side of the guide rod (701), and a locking block (703) is fixedly mounted on one end of the thrust spring (702).

4. The socket-and-spigot concrete drain pipe according to claim 3, characterized in that: One end of the thrust spring (702) close to the guide rod (701) and installed with the reinforcing ring metal plate (6) is also fixedly connected to the reinforcing ring metal plate (6), and the locking block (703) is slidably sleeved on the surface of the guide rod (701).

5. The socket-and-spigot concrete drain pipe according to claim 3, characterized in that: The locking block (703) slides toward one end of the center of the concrete pipe body (1) and penetrates the reinforcing ring metal plate (6), and the right side of the surface of the locking block (703) is set as an inclined surface.

6. The socket-and-spigot concrete drain pipe according to claim 1, characterized in that: A rubber ring (8) is fixedly installed at the junction of the inner surface of the concrete pipe body (1) and the plug-in end (2), and a steel cage (9) is provided on the inner wall of the concrete pipe body (1).

7. The socket-and-spigot concrete drain pipe according to claim 6, characterized in that: The steel cage (9) comprises annular reinforcing ribs (901) uniformly distributed and fixedly installed on the inner wall of the concrete pipe body (1), five transverse reinforcing ribs (902) uniformly distributed and fixedly installed on the surface of the annular reinforcing ribs (901), and oblique supporting reinforcing ribs (903) are fixedly installed on the surface of the gaps between the annular reinforcing ribs (901) separated by the transverse reinforcing ribs (902).

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