Novel socket joint structure and novel joint prestressed concrete cylinder pipe
By adopting a new socket interface structure with a double-layer rubber ring structure at the socket connection of the prestressed steel cylinder concrete pipe, the sealing performance problem caused by poor adaptability to the interface angle is solved, and the sealing performance and resistance to angle changes are improved.
Patent Information
- Application Number
- CN202421236114.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Due to the same size of the rubber ring at the socket connection of the existing prestressed steel cylinder concrete pipe, the poor adaptability to the interface angle caused by foundation settlement and other reasons, affecting the sealing performance of the joints.
A new type of socket interface structure is adopted, including socket ring, socket ring and double-layer glue ring structure. The double-layer rubber ring structure consists of a first rubber ring and a second rubber ring. The width of the first rubber ring groove is greater than the width of the second rubber ring groove, and the depth of the first rubber ring groove is less than the second rubber ring groove. The depth of the socket angle is better adapted to the change of the socket angle through this design.
Through the design of the double-layer rubber ring structure, the sealing performance and ability to resist angle changes of the socket interface are improved, and the sealing performance problems caused by poor angle adaptability of the interface are solved.
Smart Images
Figure CN222479721U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete pipes, in particular to a novel socket joint structure and a novel joint prestressed steel cylinder concrete pipe. Background Art
[0002] Prestressed concrete cylinder pipe (PCCP) is a composite pipe composed of steel cylinder, concrete, high-strength steel wire, and cement mortar protective layer. The standard joint of PCCP adopts socket connection. Due to the complex application environment, it has high requirements for laying and installation technology. Once the construction and installation are improper or the foundation settles during service, it will cause joint leakage. There are many reasons that affect joint leakage, such as excessive rotation and late deformation. Once the gap at the pipe joint is too large, the rubber ring will lose its water-stopping effect.
[0003] In view of this, the present utility model is proposed. Utility Model Content
[0004] One of the purposes of the utility model is to provide a novel socket joint structure to solve the technical problem in the prior art that the socket joint has poor adaptability to the interface angle due to the same size of rubber rings and foundation settlement, which affects the sealing performance of the joint.
[0005] The second purpose of the utility model is to provide a new type of interface prestressed steel cylinder concrete pipe.
[0006] In order to achieve the above-mentioned purpose of the utility model, the following technical solutions are adopted:
[0007] In the first aspect, the utility model provides a novel socket joint structure, including a socket ring, a spigot ring and a double-layer rubber ring structure;
[0008] The socket ring and the spigot ring cooperate with each other to form a socket-spigot interface;
[0009] The double-layer rubber ring structure is arranged on the spigot ring and is located at the contact point with the socket ring;
[0010] The double-layer rubber ring structure includes a first rubber ring arranged in a first rubber ring groove and a second rubber ring arranged in a second rubber ring groove, the cross-sectional area of the first rubber ring is smaller than the cross-sectional area of the second rubber ring, the width of the first rubber ring groove is larger than the width of the second rubber ring groove, and the depth of the first rubber ring groove is smaller than the depth of the second rubber ring groove.
[0011] Furthermore, the first rubber ring groove and the second rubber ring groove are sequentially arranged on the socket ring along the insertion direction.
[0012] Furthermore, the depth D of the groove edge of the first rubber ring groove close to the insertion direction is 11Greater than the depth D of the groove edge away from the insertion direction 12 .
[0013] Furthermore, the D 11 :D 12 It is 100:95~97.
[0014] Furthermore, the depth D of the groove edge of the second rubber ring groove close to the insertion direction is 21 Less than the depth D of the groove edge away from the insertion direction 22 .
[0015] Furthermore, the D 22 :D 21 It is 100:95~97.
[0016] Furthermore, the ratio of the width of the first rubber ring groove to the width of the second rubber ring groove is 100:80-85, and the ratio of the depth of the second rubber ring groove to the depth of the first rubber ring groove is 100:60-70.
[0017] Furthermore, the first rubber ring groove has a depth of 8 to 9 mm and a width of 30 to 32 mm;
[0018] The second rubber ring groove has a depth of 12 to 14 mm and a width of 24 to 26 mm.
[0019] In a second aspect, the utility model provides a novel interface prestressed steel cylinder concrete pipe, comprising a pipe body and the novel socket joint structure arranged on the pipe body.
[0020] Furthermore, one end of the pipe body is connected to the spigot ring; the other end is connected to the socket ring;
[0021] The pipe body includes, from outside to inside, a protective layer, a prestressed steel wire, a steel wire anchor block, a pipe core concrete, and a steel cylinder arranged in the pipe core concrete;
[0022] One end of the steel cylinder is connected to the socket ring, and the other end is connected to the spigot ring.
[0023] The utility model provides a novel socket joint structure, which arranges a double-layer rubber ring on the socket ring, and detects whether the second rubber ring is installed in place by water injection and pressure testing; the width of the first rubber ring groove is greater than the width of the second rubber ring groove, and the depth of the first rubber ring groove is less than the depth of the second rubber ring groove, which better adapts to the change of the socket angle; solves the technical problem in the prior art that the socket connection has poor adaptability to the interface angle caused by the same size of rubber rings to foundation settlement and other reasons, which affects the sealing performance of the joint.
[0024] According to another aspect of the utility model, a new type of interface prestressed steel cylinder concrete pipe is provided. The sealing performance and the ability to resist angle change between prestressed steel cylinder concrete pipes are improved by a new socket interface structure. The technical problem that the socket connection between prestressed steel cylinder concrete pipes in the prior art has poor adaptability to the angle of the interface due to foundation settlement and other reasons, which affects the sealing performance of the pipeline is solved. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 A schematic diagram of the connection state of a novel socket-and-spigot joint structure provided in Example 1 of the utility model;
[0027] Figure 2 for Figure 1 A schematic diagram of the enlarged structure in the middle.
[0028] Icon: 1- Socket ring;
[0029] 2-socket ring; 21-first rubber ring groove; 22-second rubber ring groove
[0030] 3- first rubber ring;
[0031] 4- second rubber ring;
[0032] 5- pipe body; 51- protective layer; 52- prestressed steel wire; 53- steel wire anchor block; 54- pipe core concrete; 55- steel cylinder. DETAILED DESCRIPTION
[0033] Unless otherwise defined herein, scientific and technical terms used in conjunction with the present invention shall have the meanings commonly understood by those of ordinary skill in the art. The meaning and scope of the terms should be clear, however, in the case of any potential ambiguity, the definitions provided herein take precedence over any dictionary or external definitions. In this application, unless otherwise stated, the use of "or" means "and / or". In addition, the use of the term "including" and other forms is non-limiting.
[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0036] In the description of the present utility model, it should be noted that the terms "proximal end", "distal end", "front end", "rear end", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0037] The terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0038] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0039] On the one hand, the utility model provides a novel socket joint structure, including a socket ring 1, a spigot ring 2 and a double-layer rubber ring structure;
[0040] The socket ring 1 and the spigot ring 2 cooperate with each other to form a socket-spigot interface;
[0041] The double-layer rubber ring structure is arranged on the spigot ring 2 and is located at the contact point with the socket ring 1;
[0042] The double-layer rubber ring structure includes a first rubber ring 3 arranged in a first rubber ring groove 21 and a second rubber ring 4 arranged in a second rubber ring groove 22, the cross-sectional area of the first rubber ring 3 is smaller than the cross-sectional area of the second rubber ring 4, the width of the first rubber ring groove 21 is greater than the width of the second rubber ring groove 22, and the depth of the first rubber ring groove 21 is less than the depth of the second rubber ring groove 22.
[0043] By arranging a double-layer rubber ring on the socket ring 2, it is detected whether the second rubber ring is installed in place; the width of the first rubber ring groove is greater than the width of the second rubber ring groove, and the depth of the first rubber ring groove is less than the depth of the second rubber ring groove, which can better adapt to the changes in the socket angle; it solves the technical problem in the prior art that the socket connection has poor adaptability to the interface angle caused by the same size of rubber rings to foundation settlement and other reasons, affecting the sealing performance of the joint.
[0044] The material of the first rubber ring 3 has better elasticity than that of the second rubber ring 4 and can further adapt to the change of the socket angle.
[0045] In some specific embodiments, the first rubber ring groove 21 and the second rubber ring groove 22 are sequentially arranged on the socket ring 2 along the insertion direction.
[0046] In some specific embodiments, the depth D of the groove edge of the first rubber ring groove 21 close to the insertion direction is 11 Greater than the depth D of the groove edge away from the insertion direction 12 .
[0047] By changing the depth of both sides of the groove, the bottom of the first rubber ring groove 21 is tilted toward the insertion direction, cooperating with the first rubber ring 3, and further improving the ability of the first rubber ring 3 to adapt to changes in the socket angle.
[0048] In some specific embodiments, the D 11 :D 12 It is 100:95~97.
[0049] Where D 11 :D 12 The ratio may be, but is not limited to, 100:95, 100:96 or 100:97, or any ratio between 100:95 and 100:97.
[0050] In some specific embodiments, the depth D of the groove edge of the second rubber ring groove 22 close to the insertion direction is 21 Less than the depth D of the groove edge away from the insertion direction 22 .
[0051] By changing the depth of both sides of the groove, the bottom of the second rubber ring groove 22 is tilted in the direction opposite to the insertion direction, cooperating with the second rubber ring 4, further improving the ability of the second rubber ring 4 to adapt to changes in the socket angle.
[0052] In some specific embodiments, the D 22 :D 21 It is 100:95~97.
[0053] Among them, D 22 :D 21 The ratio may be, but is not limited to, 100:95, 100:96 or 100:97, or any ratio between 100:95 and 100:97.
[0054] In some specific embodiments, the ratio of the width of the first rubber ring groove 21 to the width of the second rubber ring groove 22 is 100:80-85, and the ratio of the depth of the second rubber ring groove 22 to the depth of the first rubber ring groove 21 is 100:60-70.
[0055] The width ratio of the first rubber ring groove 21 to the second rubber ring groove 22 may be, but is not limited to, 100:80, 100:81, 100:82, 100:83, 100:84 or 100:85, or any ratio between 100:80 and 100:85.
[0056] The depth ratio of the second rubber ring groove 22 to the first rubber ring groove 21 may be, but is not limited to, 100:60, 100:61, 100:62, 100:63, 100:66, 100:65, 100:66, 100:67, 100:68, 100:69 or 100:70, or any ratio between 100:60 and 100:70.
[0057] In some specific embodiments, the first rubber ring groove 21 has a depth of 8 to 9 mm and a width of 30 to 32 mm;
[0058] The second rubber ring groove 22 has a depth of 12 to 14 mm and a width of 24 to 26 mm.
[0059] The depth of the first rubber ring groove 21 may be, but is not limited to, 8 mm, 8.1 mm, 8.2 mm, 8.3 mm, 8.4 mm, 8.5 mm, 8.6 mm, 8.7 mm, 8.8 mm, 8.9 mm or 9 mm, and may also be any value between 8 and 9 mm.
[0060] The width of the first rubber ring groove 21 may be, but is not limited to, 30 mm, 30.2 mm, 30.4 mm, 30.6 mm, 30.8 mm, 31 mm, 31.2 mm, 31.4 mm, 31.6 mm, 31.8 mm or 32 mm, and may be any value between 30 and 32 mm.
[0061] The depth of the second rubber ring groove 22 may be, but is not limited to, 12 mm, 12.2 mm, 12.4 mm, 12.6 mm, 12.8 mm, 13 mm, 13.2 mm, 13.4 mm, 13.6 mm, 13.8 mm or 14 mm, and may be any value between 12 and 14 mm.
[0062] The width of the second rubber ring groove 22 may be, but is not limited to, 24 mm, 24.2 mm, 24.4 mm, 24.6 mm, 24.8 mm, 25 mm, 25.2 mm, 25.4 mm, 25.6 mm, 25.8 mm or 26 mm, and may be any value between 24 and 26 mm.
[0063] According to another aspect of the utility model, a novel interface prestressed steel cylinder concrete pipe is provided, comprising a pipe body 5 and the novel socket-and-spigot joint structure arranged on the pipe body 5 .
[0064] The new socket-and-spigot joint structure improves the sealing performance and anti-angle change capability between prestressed steel cylinder concrete pipes. It solves the technical problem in the prior art that the socket-and-spigot joint has poor adaptability to the interface angle due to the same size of the rubber ring and the foundation settlement, which affects the sealing performance of the joint.
[0065] In some specific embodiments, one end of the tube body 5 is connected to the spigot ring 2; and the other end is connected to the socket ring 1;
[0066] The pipe body 5 includes, from outside to inside, a protective layer 51, a prestressed steel wire 52, a steel wire anchor block 53, a pipe core concrete 54, and a steel cylinder 55 disposed in the pipe core concrete 54;
[0067] One end of the steel cylinder 55 is connected to the socket ring 1 , and the other end is connected to the spigot ring 2 .
[0068] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0069] Example 1
[0070] Combined with Figure 1and Figure 2 To illustrate, a new type of socket joint structure includes a socket ring 1, a spigot ring 2 and a double-layer rubber ring structure; the socket ring 1 and the spigot ring 2 cooperate with each other to form a socket joint; the double-layer rubber ring structure is arranged on the spigot ring 2 and is located at the contact point with the socket ring 1; the double-layer rubber ring structure includes a first rubber ring 3 and a second rubber ring 4.
[0071] The first rubber ring groove 21 and the second rubber ring groove 22 are sequentially provided on the plug ring 2 along the insertion direction, the first rubber ring 3 is arranged in the first rubber ring groove 21, and the second rubber ring 4 is arranged in the second rubber ring groove 22. The depth of the first rubber ring groove 21 is 8.1-8.4mm, specifically 8.1mm away from the groove edge in the insertion direction on the left side, 8.4mm close to the groove edge in the insertion direction on the right side, and the width is 31mm; the depth of the second rubber ring groove 22 is 12.8-13.3mm, specifically 13.3mm away from the groove edge in the insertion direction on the left side, 12.8mm close to the groove edge in the insertion direction on the right side, and the width is 25mm.
[0072] Example 2
[0073] Combination Figure 1 To illustrate, a novel interface prestressed steel tube concrete pipe includes a pipe body 5 and a novel socket joint structure provided in Example 1 arranged on the pipe body 5.
[0074] One end of the pipe body 5 is connected to the spigot ring 2 ; the other end is connected to the socket ring 1 .
[0075] The pipe body 5 includes a protective layer 51, a prestressed steel wire 52, a steel wire anchor block 53, a pipe core concrete 54 and a steel cylinder 55 arranged in the pipe core concrete 54 from the outside to the inside; one end of the steel cylinder 55 is connected to the socket ring 1, and the other end is connected to the socket ring 2.
[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A new type of socket joint structure, characterized in that: It comprises a socket ring (1), a spigot ring (2) and a double-layer rubber ring structure; The socket ring (1) and the spigot ring (2) cooperate with each other to form a socket-spigot interface; The double-layer rubber ring structure is arranged on the plug ring (2) and is located at the contact position with the socket ring (1); The double-layer rubber ring structure comprises a first rubber ring (3) arranged in a first rubber ring groove (21) and a second rubber ring (4) arranged in a second rubber ring groove (22); the cross-sectional area of the first rubber ring (3) is smaller than the cross-sectional area of the second rubber ring (4); the width of the first rubber ring groove (21) is larger than the width of the second rubber ring groove (22); and the depth of the first rubber ring groove (21) is smaller than the depth of the second rubber ring groove (22).
2. The novel socket joint structure according to claim 1 is characterized in that: The first rubber ring groove (21) and the second rubber ring groove (22) are arranged in sequence on the socket ring (2) along the insertion direction.
3. The novel socket joint structure according to claim 2 is characterized in that: The depth D of the groove edge close to the insertion direction on the first rubber ring groove (21) 11 Greater than the depth D of the groove edge away from the insertion direction 12 .
4. The novel socket joint structure according to claim 3 is characterized in that: The D 11 :D 12 It is 100:95~97.
5. The novel socket joint structure according to claim 2 is characterized in that: The depth D of the groove edge of the second rubber ring groove (22) close to the insertion direction 21 Less than the depth D of the groove edge away from the insertion direction 22 .
6. The novel socket joint structure according to claim 5 is characterized in that: The D 22 :D 21 It is 100:95~97.
7. The novel socket joint structure according to any one of claims 1 to 6, characterized in that: The ratio of the width of the first rubber ring groove (21) to the width of the second rubber ring groove (22) is 100:80-85, and the ratio of the depth of the second rubber ring groove (22) to the depth of the first rubber ring groove (21) is 100:60-70.
8. The novel socket joint structure according to claim 7 is characterized in that: The first rubber ring groove (21) has a depth of 8 to 9 mm and a width of 30 to 32 mm; The second rubber ring groove (22) has a depth of 12 to 14 mm and a width of 24 to 26 mm.
9. A new type of prestressed steel cylinder concrete pipe with a new interface, characterized in that: The invention comprises a pipe body (5) and a novel socket joint structure as claimed in any one of claims 1 to 8 arranged on the pipe body (5).
10. The novel interface prestressed steel cylinder concrete pipe according to claim 9 is characterized in that: One end of the tube body (5) is connected to the spigot ring (2); the other end is connected to the socket ring (1); The pipe body (5) comprises, from outside to inside, a protective layer (51), a prestressed steel wire (52), a steel wire anchor block (53), a pipe core concrete (54), and a steel cylinder (55) arranged in the pipe core concrete (54); One end of the steel cylinder (55) is connected to the socket ring (1), and the other end is connected to the spigot ring (2).