Anti-seismic cement pipe

By designing the structure of the bearing and socket in the cement pipe combining the arc-shaped pressure plate and sealing ring, and adding the reinforced structure and protective shell of the pipe port and pipe body, the problem of easy cracking and poor connection sealing during handling and use of cement pipes is solved, and higher earthquake resistance and sealing are achieved.

CN222559445UActive Publication Date: 2025-03-04HAIKOU TENGCHI CEMENT PROD CO LTD
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Patent Information

Application Number
CN202420077370.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-12
Publication Date
2025-03-04
Estimated Expiration
2034-01-12

AI Technical Summary

Technical Problem

Existing cement pipes are prone to rupture during handling and use, and poor butt accuracy and poor sealing during connection, resulting in water leakage.

Method used

A seismic-resistant cement pipe is designed, and a structure of a socket and a socket combined with a curved pressure plate and a sealing ring is added, and a reinforced structure of the pipe mouth and the pipe body is installed, and a protective spring and thermal insulation layer are provided in the protective shell.

Benefits of technology

It improves the seismic performance and sealing properties of cement pipes, enhances the overall compressive resistance of the pipe body, and avoids water leakage and cracking problems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222559445U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-seismic cement pipe which comprises a cement pipe body, one end of the cement pipe body is provided with a bellmouth, the other end of the cement pipe body is provided with an insertion opening, the insertion opening extends into the bellmouth, arc-shaped pressing plates are arranged on the insertion opening, an installation bolt is arranged between the two arc-shaped pressing plates, and sealing rings are arranged between the arc-shaped pressing plates and the bellmouth. The outer side of the cement pipe body is sleeved with a protective shell, the protective shell comprises an upper shell body and a lower shell body, protective springs are arranged on the inner walls of the upper shell body and the lower shell body, and the tail ends of the protective springs are connected with heat insulation layers. The adjacent cement pipe main bodies are conveniently connected, the arc-shaped pressing plates and the sealing rings are in abutting connection, the sealing performance of connection between the two cement pipe main bodies is improved, the protective shells are arranged on the cement pipe main bodies, and the protective springs are arranged on the protective shells, so that the anti-seismic performance of the cement pipe main bodies is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement pipes, and more specifically, to an earthquake-resistant cement pipe. Background Art

[0002] Cement pipes usually refer to pipes made of cement, which are mainly used for drainage, sewage, and conveying water or other liquids. Cement pipes are widely used in construction, drainage systems, and engineering projects. These pipes can have different diameters, thicknesses, and lengths to meet different engineering needs.

[0003] In the existing technology, the steel cage in the cement pipe is just a simple splicing of steel bars, and there is a lack of special reinforcement structure for the interfaces at both ends of the cement pipe. The pipe body may be broken due to collision during transportation or damaged in a short time after being put into use due to unbearable pressure. Frost cracking is inevitable in severe cold weather. At the same time, when connecting existing cement pipes, the socket and the spigot are usually directly docked, and the accuracy of the docking is difficult to guarantee, which often results in skewness, and the sealing is difficult to guarantee, which is prone to water leakage. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the problems existing in the prior art, the utility model provides a seismic-resistant cement pipe to solve the technical problems of the cement pipe mentioned in the background technology, namely, simple reinforcement structure, poor docking accuracy and poor sealing.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an earthquake-resistant cement pipe, comprising a cement pipe body, one end of the cement pipe body is provided with a socket, and the other end is provided with a plug, the plug extends into the socket, an arc-shaped pressure plate is provided on the plug, two arc-shaped pressure plates are symmetrically arranged, a mounting bolt is provided between the two arc-shaped pressure plates, a sealing ring is provided between the arc-shaped pressure plate and the socket, a connecting sleeve is provided on the outer side of the socket and the arc-shaped pressure plate, a pipe mouth reinforcement structure and a pipe body reinforcement structure are provided in the cement pipe body, a protective shell is provided on the outer side of the cement pipe body, the protective shell comprises an upper shell and a lower shell, protective springs are provided on the inner walls of the upper shell and the lower shell, a heat insulation layer is connected to the end of the protective spring, an air cavity is provided between the heat insulation layer and the upper shell and between the heat insulation layer and the lower shell, and the upper shell and the lower shell are connected by the cooperation of bolts and nuts.

[0008] The utility model is further configured such that the arc-shaped pressure plate includes a fixing portion, a connecting portion and a mounting portion, the fixing portion and the connecting portion abut against the socket, and the connecting portion is in contact with the sealing ring, a connecting bolt is provided between the mounting portion and the connecting sleeve, and the fixing plate and the connecting plate are used to facilitate sleeve installation on the cement pipe body, and the mounting plate and the connecting bolts are provided to facilitate connection of the connecting sleeve and the arc-shaped pressure plate.

[0009] The utility model is further configured that a steel ring is provided at a middle position inside the sealing ring, thereby improving the strength of the sealing ring.

[0010] The utility model is further configured that the connecting sleeve is provided with a plurality of plug-in grooves, and the connecting sleeve is easily rotated by providing the plug-in grooves.

[0011] The utility model is further configured such that a sealing groove is provided in the socket, a sealing ring is provided on the plug, and a sealing gasket is provided between the sealing ring and the sealing groove. The sealing performance of the connection between the socket and the plug is improved through the cooperation of the sealing groove, the sealing ring and the sealing gasket.

[0012] The utility model is further configured such that the pipe mouth reinforcement structure includes a connecting ring, a first vertical plate and a second vertical plate are circumferentially provided on the connecting ring, a hole block is provided on the first vertical plate and the second vertical plate, a connecting ring is penetrated through the hole block, and the overall pressure resistance at the pipe mouth is improved by the connecting ring, the first vertical plate, the second vertical plate, the hole block and the connecting ring.

[0013] The utility model is further configured as follows: the tube body reinforcement structure includes a support ring, an inner ring and an outer ring are provided on the support ring, and a plug column is provided between the inner ring and the outer ring. By arranging the support ring, the inner ring, the outer ring and the plug column, the inner ring and the outer ring are utilized to increase the contact area with the mortar body, which facilitates dispersed support and improves strength. A plurality of plug columns are evenly and horizontally penetrated and fixed on the inner ring and the outer ring, and the plurality of plug columns are plugged into the contact area of ​​the mortar body.

[0014] The utility model is further configured that steel bars are arranged between the support rings along the circumferential direction, so as to facilitate the connection between the support rings, so that the pipe body reinforcement structure forms a steel cage structure.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a seismic-resistant cement pipe, which has the following beneficial effects:

[0017] 1. By cooperating the socket and the spigot on the cement pipe body and fixing them with the arc pressure plate and the connecting sleeve, it is convenient to connect the adjacent cement pipe bodies. The arc pressure plate and the sealing ring are used for contact connection, which improves the sealing of the connection between the two cement pipe bodies. By arranging a sealing ring and a sealing gasket between the socket and the spigot, the sealing of the connection between the socket and the spigot is improved to prevent water seepage.

[0018] 2. By arranging a protective shell on the cement pipe body and a protective spring on the protective shell, the seismic resistance of the cement pipe body is improved. By arranging a heat insulation layer and an air cavity in the protective shell body, heat propagation is easily blocked.

[0019] 3. By arranging the pipe mouth reinforcement structure and the pipe body reinforcement structure on the cement pipe body, the structural strength inside the cement pipe body is improved, thereby improving the overall compression resistance of the cement pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the cement pipe body in the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the cement pipe body in the spliced ​​state in the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model when the protective shell is opened;

[0023] Figure 4 It is a schematic diagram of the structure of the pipe mouth reinforcement structure in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the pipe body reinforcement structure in the utility model.

[0025] In the figure: 1. cement pipe body; 2. socket; 3. plug; 4. arc pressure plate; 5. mounting bolt; 6. sealing ring; 7. connecting sleeve; 8. pipe mouth reinforcement structure; 9. pipe body reinforcement structure; 10. protective shell; 11. upper shell; 12. lower shell; 13. protective spring; 14. thermal insulation layer; 15. air cavity; 16. fixing part; 17. connecting part; 18. mounting part; 19. connecting bolt; 20. steel ring; 21. plug-in groove; 22. sealing groove; 23. sealing ring; 24. sealing gasket; 25. chain; 26. first vertical plate; 27. second vertical plate; 28. hole block; 29. ​​connecting ring; 30. support ring; 31. inner ring; 32. outer ring; 33. plug column; 34. steel bar. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5 A seismic-resistant cement pipe comprises a cement pipe body 1, a socket 2 is arranged at one end of the cement pipe body 1, and a plug 3 is arranged at the other end, the plug 3 is inserted into the socket 2, an arc-shaped pressing plate 4 is arranged on the plug 3, two arc-shaped pressing plates 4 are symmetrically arranged, a mounting bolt 5 is arranged between the two arc-shaped pressing plates 4, a sealing ring 6 is arranged between the arc-shaped pressing plate 4 and the socket 2, a connecting sleeve 7 is sleeved on the outer side of the socket 2 and the arc-shaped pressing plate 4, a pipe mouth reinforcement structure 8 and a pipe body reinforcement structure 9 are arranged in the cement pipe body 1, a protective shell 10 is sleeved on the outer side of the cement pipe body 1, and the protective shell 10 comprises an upper shell 11 and a lower shell 12, and a protective spring 13 is arranged on the inner wall of the upper shell 11 and the lower shell 12, and the end of the protective spring 13 is connected to A heat insulation layer 14 is provided, an air cavity 15 is provided between the heat insulation layer 14 and the upper shell 11 and between the heat insulation layer 14 and the lower shell 12, the upper shell 11 and the lower shell 12 are connected by bolts and nuts, the arc pressure plate 4 includes a fixing portion 16, a connecting portion 17 and a mounting portion 18, the fixing portion 16 and the connecting portion 17 are in contact with the socket 3, and the connecting portion 17 is in contact with the sealing ring 6, a connecting bolt 19 is provided between the mounting portion 18 and the connecting sleeve 7, a steel ring 20 is provided in the middle position of the sealing ring 6, a plurality of plug-in grooves 21 are provided on the connecting sleeve 7, a sealing groove 22 is provided in the socket 2, a sealing ring 23 is provided on the socket 3, and a sealing gasket 24 is provided between the sealing ring 23 and the sealing groove 22.

[0030] In this embodiment, when adjacent cement pipe bodies 1 are spliced, the socket 3 of one cement pipe body 1 is inserted into the socket 2 of the adjacent cement pipe body 1, the sealing ring 23 of the socket 3 is inserted into the sealing groove 22, and a sealing gasket 24 is arranged between the sealing groove 22 and the sealing ring 23, and the fixing portions 16 of the two arc-shaped pressure plates 4 are attached to the socket 3, and a sealing ring 6 and a steel ring 20 are arranged between the connecting portion 17 and the socket 2, thereby improving the connection sealing performance between the socket 2 and the arc-shaped pressure plate 4. It is rotatably set on the connecting sleeve 7 and is arranged on the socket 2, so that one end of the socket 2 is installed and fixed to the mounting portion 18 through the cooperation of the connecting bolt 19 and the nut, thereby completing the connection and fixation of the two cement pipe bodies 1, and the upper shell 11 and the lower shell 12 of the protective shell 10 are sleeved on the cement pipe body 1, so that one end of the protective spring 13 is in contact with the cement pipe body 1, and the other end is in contact with the insulation layer 14, thereby improving the seismic performance of the cement pipe body 1, and by setting the air cavity 15, it is convenient to block the heat propagation.

[0031] See also Figure 4-5 As an implementation of the nozzle reinforcement structure 8 and the pipe body reinforcement structure 9: the nozzle reinforcement structure 8 includes a link 25, on which a first vertical plate 26 and a second vertical plate 27 are provided along the circumferential direction, on which a hole block 28 is provided, and on which a connecting ring 29 is provided through the hole block 28, the pipe body reinforcement structure 9 includes a support ring 30, on which an inner ring 31 and an outer ring 32 are provided, a plug column 33 is provided between the inner ring 31 and the outer ring 32, and between which a steel bar 34 is provided along the circumferential direction. .

[0032] More specifically, when casting the cement pipe, the reinforcement structure of the pipe body is assembled, the inner ring 31 is welded inside the support ring 30, the outer ring 32 is welded outside the support ring 30, and the steel bars 34 are welded and fixed between the support rings 30 to form a steel bar 34 cage. After casting, the compressive resistance and strength are improved, and a chain 25 is welded on the top of the steel bar 34, and a plurality of first vertical plates 26 are welded and fixed along the outer circle of the chain 25, and a plurality of second vertical plates 27 are welded and fixed along the inner circle of the chain 25. Hole blocks 28 are provided on the first vertical plates 26 and the second vertical plates 27, and connecting rings 29 are connected to the hole blocks 28 of the first vertical plates 26 and the second vertical plates 27. Through the assembly of the pipe body reinforcement structure 9 and the pipe mouth reinforcement structure 8, an integrated structure is formed, which is convenient for assembly during casting.

[0033] In summary, when the overall device is in use or in operation: when adjacent cement pipe bodies 1 are spliced, the socket 3 of one cement pipe body 1 is inserted into the socket 2 of the adjacent cement pipe body 1, the sealing ring 23 of the socket 3 is inserted into the sealing groove 22, and a sealing gasket 24 is arranged between the sealing groove 22 and the sealing ring 23, and the fixing parts 16 of the two arc-shaped pressure plates 4 are attached to the socket 3, and a sealing ring 6 and a steel ring 20 are arranged between the connecting part 17 and the socket 2, thereby improving the connection between the socket 2 and the arc-shaped pressure plate 4. In order to improve the sealing performance, the connecting sleeve 7 is rotatably set on the socket 2, so that one end of the socket 2 is installed and fixed to the mounting portion 18 through the cooperation of the connecting bolt 19 and the nut, thereby completing the connection and fixation of the two cement pipe bodies 1, and the upper shell 11 and the lower shell 12 of the protective shell 10 are sleeved on the cement pipe body 1, so that one end of the protective spring 13 is in contact with the cement pipe body 1, and the other end is in contact with the insulation layer 14, thereby improving the seismic performance of the cement pipe body 1, and by setting the air cavity 15, it is convenient to block the heat propagation.

[0034] When casting the cement pipe and assembling the pipe body reinforcement structure 9, an inner ring 31 is welded inside the support ring 30, an outer ring 32 is welded outside the support ring 30, and steel bars 34 are welded and fixed between the support rings 30 to form a steel bar 34 cage. After casting, the compressive resistance and strength are improved. A chain 25 is welded on the top of the steel bar 34, and a plurality of first vertical plates 26 are welded and fixed along the outer ring of the chain 25, and a plurality of second vertical plates 27 are welded and fixed along the inner ring of the chain 25. Hole blocks 28 are provided on the first vertical plates 26 and the second vertical plates 27, and a connecting ring 29 is connected to the hole blocks 28 of the first vertical plates 26 and the second vertical plates 27. By assembling the pipe body reinforcement structure 9 and the pipe mouth reinforcement structure 8, an integrated structure is formed, which is convenient for assembly during casting.

[0035] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An earthquake-resistant cement pipe, comprising a cement pipe body (1), characterized in that: One end of the cement pipe body (1) is provided with a socket (2), and the other end is provided with a plug (3), the plug (3) extends into the socket (2), and the plug (3) is provided with an arc-shaped pressure plate (4), two arc-shaped pressure plates (4) are symmetrically arranged, and a mounting bolt (5) is provided between the two arc-shaped pressure plates (4), and a sealing ring (6) is provided between the arc-shaped pressure plate (4) and the socket (2), and a connecting sleeve (7) is provided on the outer side of the socket (2) and the arc-shaped pressure plate (4), and a pipe mouth reinforcement structure (8) and a pipe body reinforcement structure (9) are provided inside the cement pipe body (1). A strong structure (9), a protective shell (10) is provided on the outer side of the cement pipe body (1), the protective shell (10) comprises an upper shell (11) and a lower shell (12), protective springs (13) are provided on the inner walls of the upper shell (11) and the lower shell (12), the ends of the protective springs (13) are connected with a heat insulation layer (14), an air cavity (15) is provided between the heat insulation layer (14) and the upper shell (11) and between the heat insulation layer (14) and the lower shell (12), and the upper shell (11) and the lower shell (12) are connected by bolts and nuts.

2. The earthquake-resistant cement pipe according to claim 1 is characterized in that: The arc-shaped pressure plate (4) comprises a fixing portion (16), a connecting portion (17) and a mounting portion (18); the fixing portion (16) and the connecting portion (17) are in contact with the socket (3), and the connecting portion (17) is in contact with the sealing ring (6); and a connecting bolt (19) is provided between the mounting portion (18) and the connecting sleeve (7).

3. The earthquake-resistant cement pipe according to claim 1 is characterized in that: A steel ring (20) is provided at the middle position inside the sealing ring (6).

4. The earthquake-resistant cement pipe according to claim 1 is characterized in that: The connecting sleeve (7) is provided with a plurality of plug-in slots (21).

5. The earthquake-resistant cement pipe according to claim 1 is characterized in that: A sealing groove (22) is provided in the socket (2), a sealing ring (23) is provided on the insert (3), and a sealing gasket (24) is provided between the sealing ring (23) and the sealing groove (22).

6. The earthquake-resistant cement pipe according to claim 1 is characterized in that: The nozzle reinforcement structure (8) comprises a connecting ring (25), on which a first vertical plate (26) and a second vertical plate (27) are circumferentially arranged, and on which the first vertical plate (26) and the second vertical plate (27) are both provided with a hole block (28), and the hole block (28) is penetrated by a connecting ring (29).

7. The earthquake-resistant cement pipe according to claim 1 is characterized in that: The pipe body reinforcement structure (9) comprises a support ring (30), the support ring (30) is provided with an inner ring (31) and an outer ring (32), and a plug post (33) is provided between the inner ring (31) and the outer ring (32).

8. The earthquake-resistant cement pipe according to claim 7 is characterized in that: Steel bars (34) are arranged between the support rings (30) along the circumferential direction.