CN112901870A

CN112901870A - Reinforced concrete drain pipe

Info

Publication number: CN112901870A
Application number: CN202110322701.7A
Authority: CN
Inventors: 刘传海
Original assignee: Shanghai Pudong Concrete Products Co ltd
Current assignee: Shanghai Pudong Concrete Products Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-06-04

Abstract

The application relates to a reinforced concrete drain pipe, which belongs to the technical field of drain pipes and comprises a pipe body, wherein one end surface of the pipe body is fixedly connected with an annular connecting ring, and the other end surface of the pipe body is provided with a connecting groove for the connecting ring to be inserted; the positions, close to the end parts, on the side wall of the pipe body are respectively fixedly sleeved with a connecting plate, and one side, far away from the end parts, of the connecting plate is provided with a butting component which is in contact with the connecting plate; when two pipe body interconnect, be provided with the locking Assembly who makes butt subassembly butt on the connecting plate all the time in the outside of two pipe body junctions. This application has the effect of strengthening the joint strength of two adjacent drain pipes.

Description

Reinforced concrete drain pipe

Technical Field

The application relates to the technical field of drain pipes, in particular to a reinforced concrete drain pipe.

Background

With the rapid advance of urbanization, China builds or plans to build a plurality of sewage treatment plants in large and medium cities, a large amount of industrial wastewater and domestic sewage enter the sewage treatment plants through drain pipes for centralized treatment, and the drain pipes mostly use reinforced concrete drain pipes.

There has been the chinese utility model patent of granted bulletin number CN209012569U now, and it discloses an anticorrosive reinforced concrete drain pipe, including outer tube, corrosion-resistant dope layer, inner tube and fixed connection at the inboard annular connecting pipe of outer tube, when needs connect two adjacent drain pipes for annular connecting plate on two drain pipes hugs closely each other and fixes, thereby realizes connecting two drain pipes.

In the related art described above, the inventor believes that when two drain pipes are connected, the connection strength of the two annular connection pipes is weak, and there is a possibility that the mutual connection may be broken.

Disclosure of Invention

In order to strengthen the joint strength of two rows of adjacent water pipes, this application provides a reinforced concrete drain pipe.

The application provides a reinforced concrete drain pipe adopts following technical scheme:

a reinforced concrete drain pipe comprises a pipe body, wherein an annular connecting ring is fixedly connected to one end face of the pipe body, and a connecting groove for the connecting ring to be inserted is formed in the other end face of the pipe body;

the positions, close to the end parts, on the side wall of the pipe body are respectively fixedly sleeved with a connecting plate, and one side, far away from the end parts, of the connecting plate is provided with a butting component which is in contact with the connecting plate;

when two pipe body interconnect, be provided with the locking Assembly who makes butt subassembly butt on the connecting plate all the time in the outside of two pipe body junctions.

Through adopting above-mentioned technical scheme, when needs connect two drain pipes, peg graft the go-between of one of them pipe body in the spread groove of another pipe body, then utilize locking Assembly to make butt subassembly tight butt on the connecting plate, butt subassembly can drive the connecting plate of two pipe bodies this moment and move towards the direction in opposite directions to can make two pipe body coupling inseparabler, thereby promote the joint strength of two drain pipes.

Optionally, the abutting assembly comprises an abutting plate which is sleeved on the pipe body and is positioned on one side of the connecting plate far away from the end of the pipe body, and a plurality of springs are arranged between the abutting plate and the connecting plate, and two ends of each spring are respectively fixed with the abutting plate and the connecting plate;

the locking assembly comprises a locking rod which sequentially penetrates through the two abutting plates, the two connecting plates and is in sliding connection with the connecting plates and the abutting plates, the two ends of the locking rod are located at the positions of the abutting plates and are respectively provided with a threaded section, and the outer sides of the locking rod located at the two abutting plates are respectively in threaded connection with a fastening nut.

Through adopting above-mentioned technical scheme, after two pipe body initial joint, pass two butt joint boards and two connecting plates with the check lock lever in proper order, then revolve the fastening nut who revolves the locking rod tip, when fastening nut removes to the position with butt joint board mutual contact, continue to revolve wrong fastening nut, fastening nut can drive the butt joint board and move towards the direction of connecting plate this moment, the in-process that the butt joint board removed can compress the spring, this moment because interval between two butt joint boards is fixed, so the spring can drive two connecting plates and move towards opposite direction, thereby can drive two pipe body coupling inseparabler.

Optionally, a plurality of sliding rods penetrating through the connecting plate are fixedly connected to the side wall, close to the connecting plate, of the abutting plate.

Through adopting above-mentioned technical scheme, set up the slide bar and can make the removal of butt joint board along the axis direction of pipe body to can reduce the spring and take place the possibility of distortion in compression process, and then can prolong the life of spring.

Optionally, the end of the sliding rod is fixedly connected with a limiting block with a longitudinal section larger than that of the sliding rod.

Through adopting above-mentioned technical scheme, take place the separation between slide bar and the connecting plate when can avoiding not hard up fastening bolt through setting up the stopper to can guarantee that the stable axial along the pipe body of butt moves.

Optionally, one side of the connecting ring away from the pipe body converges towards the middle to form a tip, and the shape of the connecting groove is matched with that of the connecting ring.

Through adopting above-mentioned technical scheme, when two tub of calandria water piping interconnect, the friction extrusion each other between the inclined plane of go-between and the lateral wall of spread groove to can promote the tight type of connection between go-between and the spread groove.

Optionally, a rubber pad is fixedly connected to the side wall of the connecting groove.

Through adopting above-mentioned technical scheme, can further strengthen the compact type between go-between and the spread groove through setting up the rubber pad, can increase frictional force simultaneously, and then can strengthen the joint strength between two pipe bodies.

Optionally, two pipe body interconnect department is provided with and covers butt subassembly and locking Assembly and the longitudinal section is the protection casing of rectangle.

By adopting the technical scheme, most of the drain pipes are buried underground, so that the abutting assembly and the locking assembly can be protected by arranging the protective cover, and meanwhile, the sealing performance of the joint of the two pipe bodies can be improved; in addition, the longitudinal section of the protective cover is rectangular, so when the connected drain pipe is buried underground, the protective cover can stably support the drain pipe, and the possibility of rolling of the drain pipe can be reduced.

Optionally, the protection casing includes two cover bodies of splicing each other, fixedly connected with turns over the flange that turns over outwards on the mutual border of splicing of cover body, passes two flanges and is provided with a plurality of fastening bolt.

Through adopting above-mentioned technical scheme, after two drain pipe interconnect, remove two cover bodies and move towards the centre, when the flange of two cover bodies was laminated each other, utilize fastening bolt to lock fixedly two cover bodies.

Optionally, the side wall of the tube body is fixedly connected with a guide post axially arranged along the tube body, and a sliding groove in sliding connection with the guide post is formed in the boundary where the cover body contacts the tube body.

Through adopting above-mentioned technical scheme, can avoid the cover body to take place to rotate at the slip in-process through setting up guide post and the guide way of mutually supporting to can guarantee the accurate butt joint of the flange of two cover bodies.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting ring with the tip end is arranged, and the rubber pad is fixed on the connecting groove, so that the connecting stability and the sealing performance of the two pipe bodies can be enhanced, and the two connecting plates can be driven to move towards the middle when the fastening nut is screwed, so that the two pipe bodies can be connected more tightly;

2. the protective cover is arranged at the joint of the two pipe bodies, so that the abutting assembly and the locking assembly can be protected on one hand, and the sealing performance between the two pipe bodies can be improved on the other hand;

3. because the longitudinal section of protection casing is the rectangle, so bury underground after the drain pipe is connected when, the protection casing can play steady supporting effect to can reduce the drain pipe and take place rolling possibility.

Drawings

Fig. 1 is a schematic structural diagram showing the interconnection of two rows of water pipes in the embodiment of the present application.

Fig. 2 is a schematic structural view of an end connecting groove of a drain pipe in an embodiment of the present application.

Fig. 3 is a schematic structural view of a connection ring at the end of a drain pipe in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a protective cover embodied in the embodiment of the present application.

Description of reference numerals: 1. a tube body; 11. a connecting ring; 12. connecting grooves; 13. a connecting plate; 14. a rubber pad; 15. a guide post; 2. an abutment assembly; 21. a butt joint plate; 22. a spring; 23. a slide bar; 24. a limiting block; 3. a locking assembly; 31. a locking lever; 311. a threaded segment; 32. fastening a nut; 4. a protective cover; 41. a cover body; 411. a guide groove; 42. a flange; 43. and fastening the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a reinforced concrete drain pipe. Referring to fig. 1, the drain pipe includes a pipe body 1, an annular connection ring 11 is fixedly connected to an end face of one end of the pipe body 1, an annular connection groove 12 is formed in an end face of the other end of the pipe body 1, and when two adjacent drain pipes need to be connected, the connection ring 11 of one pipe body 1 is inserted into the connection groove 12 of the other pipe body 1, so that two adjacent drain pipes are connected preliminarily.

The position that is close to the tip on the lateral wall of pipe body 1 is fixed to be cup jointed annular connecting plate 13 to be located the one side of keeping away from pipe body 1 tip at connecting plate 13 and be provided with butt subassembly 2, and butt subassembly 2 can move along the axis direction of pipe body 1. When two drain pipes are connected, a plurality of locking assemblies 3 which enable the abutting assemblies 2 to abut against the connecting plate 13 all the time are arranged on the outer sides of the mutual connection positions of the two pipe bodies 1.

The abutting assembly 2 comprises an annular abutting plate 21 which is sleeved on the outer side of the pipe body 1, a plurality of springs 22 are arranged between the abutting plate 21 and the connecting plate 13, one end of each spring 22 is fixedly connected with the abutting plate 21, and the other end of each spring 22 is fixedly connected with the connecting plate 13. A plurality of sliding rods 23 are fixedly connected to the side walls of the abutting plate 21, and one ends of the sliding rods 23 far away from the abutting plate 21 penetrate through the connecting plate 13 and are connected with the connecting plate 13 in a sliding mode.

Locking Assembly 3 is including passing the check lock lever 31 that two butt joint boards 21 and two connecting plates 13 set up in proper order, and all adopts sliding connection's mode between check lock lever 31 and connecting plates 13, the butt joint board 21. A threaded section 311 is provided at a position of the lock lever 31 on the two abutment plates 21, and a fastening nut 32 is screwed on the threaded section 311 on the outer side of the two abutment plates 21.

When two drainage pipes connected with each other need to be locked, the locking rod 31 sequentially penetrates through the two abutting plates 21 and the two connecting plates 13, the fastening nuts 32 are respectively screwed at two ends of the locking rod 31 with the threaded sections 311, when the fastening nuts 32 abut on the abutting plates 21, the fastening nuts 32 are continuously screwed, and at the moment, the abutting plates 21 can be driven by the fastening nuts 32 to move towards the direction of the connecting plates 13; when the abutting plate 21 moves towards the connecting plate 13, the abutting plate 21 can compress the spring 22, the elastic force of the spring 22 is respectively applied to the abutting plate 21 and the connecting plate 13 on the two sides, and the fastening nuts 32 abut against the outer sides of the two abutting plates 21, so that the spring 22 has a tendency of driving the two connecting plates 13 to move towards opposite directions, so that the connecting ring 11 can be tightly abutted in the connecting groove 12, and the connecting strength between the two drainage pipes can be enhanced.

The end part of the sliding rod 23 penetrating the connecting plate 13 is fixedly connected with a limiting block 24 with a longitudinal section larger than that of the sliding rod 23, and the sliding rod 23 is separated from the connecting plate 13 when the limiting block 24 is arranged, so that the abutting plate 21 can be guaranteed to stably move along the axial direction of the pipe body 1.

Referring to fig. 2 and 3, one end of the connection ring 11, which is far away from the pipe body 1, gradually converges to form a tip, and the shape of the connection groove 12 is matched with that of the connection ring 11, when two pipe drainage pipes are connected with each other, the inclined surface of the connection ring 11 and the side wall of the connection groove 12 are mutually rubbed and extruded, so that the connection tightness between the connection ring 11 and the connection groove 12 can be improved.

A rubber pad 14 is fixedly adhered to the side wall of the connecting groove 12, the tightness between the connecting ring 11 and the connecting groove 12 can be further enhanced by the rubber pad 14, and meanwhile, the friction force can be increased, so that the connecting strength between the connecting ring 11 and the connecting groove 12 is enhanced.

Referring to fig. 1 and 4, since many drain pipes are buried underground, a protective cover 4 that completely covers the abutment module 2 and the lock module 3 needs to be provided at the joint of the two drain pipes. The protection casing 4 includes two cover bodies 41 that splice each other, and the one side that two cover bodies 41 splice each other all is the open mode. Each cover body 41 is slidably connected with one of the pipe bodies 1, the longitudinal section of each cover body 41 is rectangular, flanges 42 which are turned outwards are fixedly connected to the borders of the two adjacent cover bodies 41, and fastening bolts 43 are arranged through the flanges 42.

After two drain pipe connections are accomplished, two cover bodies 41 that slide move towards direction in opposite directions, when the flange 42 of two cover bodies 41 moved to the position of laminating each other, twisted fastening bolt 43 and locked two cover bodies 41 to can protect inside butt subassembly 2 and locking Assembly 3, can also promote two drain pipe connection position's sealing performance simultaneously.

The longitudinal section of the cover body 41 is rectangular, so that when the drain pipe is buried underground, the protective cover 4 can be stably supported, and the drain pipe can be prevented from rolling.

A guide post 15 is fixedly connected to the side wall of the pipe body 1 along the axial direction of the pipe body 1, and a guide groove 411 slidably connected to the guide post 15 is formed on the lower boundary where the cover body 41 and the pipe body 1 are in contact with each other. The guide posts 15 and the guide grooves 411 which are matched with each other are arranged to prevent the cover bodies 41 from rotating in the sliding process, so that the flanges 42 of the two cover bodies 41 can be accurately butted.

The implementation principle of the reinforced concrete drain pipe in the embodiment of the application is as follows: when two water discharge pipes are connected, firstly, the connecting ring 11 of one pipe body 1 is inserted into the connecting groove 12 of the other pipe body 1; secondly pass two butt joint boards 21 and two connecting plates 13 with check lock lever 31 in proper order, and screw up fastening nut 32 at the screw thread section 311 at check lock lever 31 both ends, continue to twist fastening nut 32 when fastening nut 32 and butt joint board 21 contact each other and revolve soon, revolve the in-process and can drive butt joint board 21 and remove towards the direction of connecting plate 13, compress spring 22 this moment, compressed spring 22 can exert pressure to the butt joint board 21 and the connecting plate 13 of both sides, so spring 22 can drive two connecting plates 13 and move towards direction in opposite directions, and then can make two pipe body 1 connect inseparabler.

After the two drain pipes are connected, the two cover bodies 41 are moved towards opposite directions, and when the flanges 42 of the two cover bodies 41 are mutually abutted, the two cover bodies 41 are locked by screwing the fastening bolt 43, so that the abutting assembly 2 and the locking assembly 3 can be protected, and meanwhile, the sealing performance of the two drain pipe connection positions can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The reinforced concrete drain pipe is characterized in that: the pipe comprises a pipe body (1), wherein one end face of the pipe body (1) is fixedly connected with an annular connecting ring (11), and the other end face of the pipe body (1) is provided with a connecting groove (12) for the connecting ring (11) to be inserted;

the positions, close to the end parts, on the side wall of the pipe body (1) are respectively fixedly sleeved with a connecting plate (13), and one side, far away from the end parts of the pipe body (1), of each connecting plate (13) is provided with an abutting assembly (2) which is in contact with the corresponding connecting plate (13);

when the two pipe bodies (1) are connected with each other, a locking component (3) which enables the abutting component (2) to always abut against the connecting plate (13) is arranged on the outer side of the joint of the two pipe bodies (1).

2. The reinforced concrete drain pipe of claim 1, wherein: the abutting assembly (2) comprises an abutting plate (21) which is sleeved on the pipe body (1) and is positioned on one side of the connecting plate (13) far away from the end part of the pipe body (1), and a plurality of springs (22) with two ends respectively fixed with the abutting plate (21) and the connecting plate (13) are arranged between the abutting plate (21) and the connecting plate (13);

locking Assembly (3) including passing two butt joint board (21), two connecting plates (13) in proper order and with connecting plate (13) and butt joint board (21) sliding connection's check lock lever (31), the position that the both ends of check lock lever (31) are located butt joint board (21) is provided with screw thread section (311) respectively, there is fastening nut (32) outside difference threaded connection that check lock lever (31) are located two butt joint board (21).

3. The reinforced concrete drain pipe of claim 2, wherein: the side wall of the abutting plate (21) close to the connecting plate (13) is fixedly connected with a plurality of sliding rods (23) penetrating through the connecting plate (13).

4. A reinforced concrete drain pipe according to claim 3, wherein: the end part of the sliding rod (23) is fixedly connected with a limiting block (24) with a longitudinal section larger than that of the sliding rod (23).

5. The reinforced concrete drain pipe of claim 1, wherein: one side, far away from the pipe body (1), of the connecting ring (11) converges towards the middle to form a tip, and the shape of the connecting groove (12) is matched with that of the connecting ring (11).

6. The reinforced concrete drain pipe of claim 5, wherein: and a rubber pad (14) is fixedly connected to the side wall of the connecting groove (12).

7. The reinforced concrete drain pipe of claim 1, wherein: two the pipe body (1) interconnect department is provided with covers (4) that cover butt subassembly (2) and locking Assembly (3) and longitudinal section is the rectangle.

8. The reinforced concrete drain pipe of claim 7, wherein: the protective cover (4) comprises two cover bodies (41) which are spliced with each other, flanges (42) which are turned outwards are fixedly connected to the boundaries where the cover bodies (41) are spliced with each other, and a plurality of fastening bolts (43) are arranged after penetrating through the two flanges (42).

9. The reinforced concrete drain pipe of claim 8, wherein: the pipe is characterized in that a guide post (15) axially arranged along the pipe body (1) is fixedly connected to the side wall of the pipe body (1), and a sliding groove in sliding connection with the guide post (15) is formed in the boundary where the cover body (41) is in contact with the pipe body (1).