Bell and spigot joint and corrugated pipe
By installing the joint connection between the annular mounting cylinder and the sealing ring at both ends of the bellows, the problem of insufficient sealing of the bellows connection is solved, and sealing and stability are achieved in the case of pressure overwater.
Patent Information
- Application Number
- CN202422368110.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-27
AI Technical Summary
In the prior art, the connection between two adjacent corrugated pipes is insufficient, and leaks are prone to occur in the case of pressure overwater.
The socket joint design is adopted, and the sealing and stability are ensured by installing the first and second annular mounting barrels at both ends of the bellows, and the mating connection between the sealing ring and the sealing surface is used to fix the connection with the fastener.
A good sealing connection between the corrugated pipes is achieved, ensuring no leakage in the presence of pressure overwater, and the fixed connection is more secure.
Smart Images
Figure CN223215957U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of corrugated steel, and more specifically relates to a socket joint and a corrugated pipe. Background Art
[0002] Corrugated steel structures, due to their strong resistance to deformation, are being applied in various fields. They offer numerous advantages, including lightweight, factory-prefabricated, on-site assembly for easy transportation, short construction periods, and strong environmental adaptability. Corrugated pipes are often used in non-pressure culverts and can serve as inverted siphons. However, since corrugated pipes are typically constructed from multiple sections connected in sequence, their use in pressurized water passages requires ensuring a good seal between adjacent sections. Utility Model Content
[0003] The purpose of the utility model is to provide a socket joint and a bellows, so as to solve the technical problem in the prior art of ensuring good sealing performance of the connection between two adjacent sections of bellows.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a socket joint, comprising:
[0005] A first annular mounting cylinder is used for fixed installation on one end of the corrugated steel pipe and is coaxially arranged with the corrugated steel pipe; a plurality of sealing rings are provided on the outer circumference of the first annular mounting cylinder;
[0006] a first fixing member, one end of which is fixedly mounted on the outer surface of the first annular mounting tube and the other end of which extends radially outward along the first annular mounting tube; the first fixing member is located at an end of the first annular mounting tube close to the bellows;
[0007] A second annular mounting tube is configured to be fixedly mounted on the other end of the corrugated steel pipe and is coaxially arranged with the first annular mounting tube; a sealing surface is provided on the inner wall of the second annular mounting tube for cooperating with the sealing ring; and the inner wall of the second annular mounting tube is cooperating with the outer wall of the first annular mounting tube;
[0008] a second fixing member, one end of which is fixedly mounted on the outer surface of the second annular mounting tube and the other end of which extends radially outward along the second annular mounting tube; the second fixing member is located at an end of the second annular mounting tube away from the bellows; the second fixing member corresponds to the first fixing member;
[0009] A fastener is installed on the first fixing member and the second fixing member, and is used to fix the first fixing member and the second fixing member together.
[0010] In a possible implementation, a plurality of sealing grooves are provided on the outer circumferential surface of the first annular mounting cylinder, and the sealing ring is installed in the corresponding sealing grooves.
[0011] In one possible implementation, the first annular mounting tube is provided with a thickened area located on the side away from the bellows, and the outer diameter of the thickened area is larger than the outer diameter of the side of the first annular mounting tube close to the bellows, and the sealing groove is opened on the thickened area.
[0012] In one possible implementation, the second annular mounting cylinder includes a straight cylinder section and two inclined cylinder sections respectively installed at both ends of the straight cylinder section, the inclined cylinder section close to the bellows extends inwardly and the inclined cylinder section away from the bellows extends outwardly; the second fixing member is located between the inclined cylinder section away from the bellows and the straight cylinder section; the sealing surface is provided on the inner wall of the straight cylinder section.
[0013] In one possible implementation, there are multiple first fixing members, which are arranged at intervals along the circumference of the first annular mounting tube; there are multiple second fixing members, which are arranged at intervals along the circumference of the second annular mounting tube; there are multiple fasteners, and the multiple first fixing members, the multiple second fixing members, and the multiple fasteners correspond one to one.
[0014] In a possible implementation, a plurality of first fixing members are evenly arranged along the circumference of the first annular mounting cylinder, and a plurality of second fixing members are evenly arranged along the circumference of the second annular mounting cylinder.
[0015] In a possible implementation, the first fixing member is a flange fixedly mounted on the outer side of the first annular mounting tube, and the second fixing member is an annular plate fixedly mounted on the outer side of the second annular mounting tube.
[0016] In a possible implementation, both the first fixing member and the second fixing member are provided with a through hole, and the fastener includes a bolt and a nut threadedly connected to the bolt.
[0017] In a possible implementation, the fastener further includes a spacer installed between the first fixing member and the second fixing member, and the spacer is provided with a through hole for the bolt to pass through.
[0018] The beneficial effect of the socket joint provided by the present invention is that, compared with the prior art, the socket joint of the present invention is that, before operation, a first annular mounting tube and a second annular mounting tube are respectively installed at both ends of the bellows. When multiple bellows are connected in sequence, the second annular mounting tube on one bellows is installed from the outside to the inside in cooperation with the first annular mounting tube on the adjacent bellows, and the sealing surface on the second annular mounting tube is connected to the sealing ring on the first annular mounting tube, so that a good sealing connection is formed between the first annular mounting tube and the second annular mounting tube, and the second fixing member on the second annular mounting tube is arranged close to the first fixing member on the first annular mounting tube, and the first fixing member and the second fixing member are fastened together using a fastener, thereby fixing the two adjacent bellows together. In this way, a good sealing connection is formed between the sealing surface and the sealing ring by means of the second annular mounting tube being installed in cooperation with the first annular mounting tube, and the first fixing member and the second fixing member are fixedly connected to ensure a reliable sealing connection, and also fix the two bellows together.
[0019] Another object of the present invention is to provide a corrugated pipe comprising any one of the above-mentioned socket joints.
[0020] The utility model provides a bellows, which adopts a socket joint and forms a good sealing connection between the sealing surface and the sealing ring by means of the second annular mounting cylinder and the first annular mounting cylinder for installation. The first fixing member and the second fixing member are used for fixed connection to ensure a firm sealing connection and also fix the two bellows together. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0022] Figure 1 A structural diagram of a corrugated pipe with a socket joint provided in an embodiment of the present utility model;
[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle;
[0024] Figure 3 for Figure 1 Enlarged view of point B in the middle;
[0025] Figure 4 A schematic diagram of the connection between two adjacent bellows provided in an embodiment of the present utility model;
[0026] Figure 5 for Figure 4 Enlarged view of point C in the middle.
[0027] Among them, the reference numerals in the figures are:
[0028] 1. First annular mounting tube; 11. Sealing ring; 12. Sealing groove; 13. Thickened area; 2. First fixing member; 3. Second annular mounting tube; 31. Sealing surface; 32. Straight tube section; 33. Inclined tube section; 4. Second fixing member; 5. Fastener; 51. Bolt; 52. Nut; 53. Spacer; 6. Bellows. DETAILED DESCRIPTION
[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0030] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.
[0031] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.
[0033] See also Figures 1 to 5, the bell and spigot joint provided by the present invention is now described. A bell and spigot joint comprises a first annular mounting tube 1, a first fixing member 2, a second annular mounting tube 3, a second fixing member 4 and a fastener 5; the first annular mounting tube 1 is used to be fixedly mounted on one end of a corrugated steel pipe and is coaxially arranged with the corrugated steel pipe; a plurality of sealing rings 11 are provided on the outer circumferential surface of the first annular mounting tube 1; one end of the first fixing member 2 is fixedly mounted on the outer surface of the first annular mounting tube 1, and the other end extends radially outward along the first annular mounting tube 1; the first fixing member 2 is located at one end of the first annular mounting tube 1 close to the corrugated pipe 6; the second annular mounting tube 3 is used to be fixedly mounted on the other end of the corrugated steel pipe and is coaxially arranged with the corrugated steel pipe The first annular mounting tube 1 is coaxially arranged; a sealing surface 31 is provided on the inner wall of the second annular mounting tube 3, which is installed in cooperation with the sealing ring 11; the inner wall of the second annular mounting tube 3 is installed in cooperation with the outer wall of the first annular mounting tube 1; one end of the second fixing member 4 is fixedly mounted on the outer side surface of the second annular mounting tube 3, and the other end extends radially outward along the second annular mounting tube 3; the second fixing member 4 is located at the end of the second annular mounting tube 3 away from the bellows 6; the second fixing member 4 corresponds to the first fixing member 2; the fastener 5 is installed on the first fixing member 2 and the second fixing member 4, and is used to fix the first fixing member 2 and the second fixing member 4.
[0034] Compared with the prior art, the socket joint provided by the present invention has the following features: before operation, a first annular mounting tube 1 and a second annular mounting tube 3 are respectively installed at both ends of the bellows 6. When multiple bellows 6 are connected in sequence, the second annular mounting tube 3 on one bellows 6 is installed from the outside to the inside in cooperation with the first annular mounting tube 1 on the adjacent bellows 6, and the sealing surface 31 on the second annular mounting tube 3 is connected with the sealing ring 11 on the first annular mounting tube 1, thereby forming a good sealing connection between the first annular mounting tube 1 and the second annular mounting tube 3, and the second fixing member 4 on the second annular mounting tube 3 is arranged close to the first fixing member 2 on the first annular mounting tube 1, and the first fixing member 2 and the second fixing member 4 are fastened together using a fastener 5, thereby fixing the two adjacent bellows 6 together. In this way, by means of the second annular mounting tube 3 and the first annular mounting tube 1 being installed in cooperation, a good sealing connection is formed between the sealing surface 31 and the sealing ring 11, and the first fixing member 2 and the second fixing member 4 are used to fix the connection to ensure a secure sealing connection, and also fix the two bellows 6 together.
[0035] See also Figures 1 to 3As a specific embodiment of the socket joint provided by the utility model, a plurality of sealing grooves 12 are provided on the outer circumferential surface of the first annular mounting tube 1, and the sealing ring 11 is installed in the corresponding sealing grooves 12; the provision of the sealing grooves 12 makes the installation position of the sealing ring 11 more accurate and reliable. During the coordinated installation process of the first annular mounting tube 1 and the second annular mounting tube 3, a more reliable sealing connection is formed between the sealing surface 31 and the sealing ring 11.
[0036] See also Figure 1 and Figure 2 As a specific embodiment of the socket joint provided by the present invention, the first annular mounting tube 1 is provided with a thickened area 13 located on the side away from the bellows 6. The outer diameter of the thickened area 13 is larger than the outer diameter of the side of the first annular mounting tube 1 close to the bellows 6, and the sealing groove 12 is formed in the thickened area 13. The thickened area 13 is provided on the first annular mounting tube 1, and the outer diameter of the thickened area 13 is larger than the outer diameter of other areas of the first annular mounting tube 1. The sealing groove 12 is formed in the thickened area 13. When the second annular mounting tube 3 is installed in conjunction with the first annular mounting tube 1, the sealing surface 31 on the second annular mounting tube 3 can be fully and effectively contacted and sealed. The provision of the thickened area 13 also enhances the strength of the first annular mounting tube 1.
[0037] See also Figure 1 and Figure 3 As a specific embodiment of the socket joint provided by the present invention, the second annular mounting tube 3 includes a straight tube section 32 and two inclined tube sections 33 respectively installed at both ends of the straight tube section 32, the inclined tube section 33 close to the bellows 6 extends inwardly, and the inclined tube section 33 away from the bellows 6 extends outwardly; the second fixing member 4 is located between the inclined tube section 33 away from the bellows 6 and the straight tube section 32; the sealing surface 31 is provided on the inner wall of the straight tube section 32; that is, the second annular mounting tube 3 is a variable diameter structure that changes sequentially along the axial direction, wherein the outer diameter of the straight tube section 32 does not change, and the inner wall of the straight tube section 32 is the sealing surface 31, so that the sealing connection performance formed between the second annular mounting tube 3 and the first annular mounting tube 1 is higher. Inclined cylinder sections 33 are provided at both ends of the straight cylinder section 32, and the outer diameter of the inclined cylinder section 33 away from the end of the bellows 6 is larger than the inclined cylinder section 33 close to the end of the bellows 6. In this way, the outwardly extending inclined cylinder section 33 is conducive to the cooperation and installation of the second annular mounting cylinder 3 on the first annular mounting cylinder 1, and the inwardly extending inclined cylinder section 33 makes the connection between the straight cylinder section 32 and the sealing ring 11 tighter.
[0038] See also Figure 1 and Figure 4As a specific embodiment of the socket joint provided by the present invention, there are multiple first fixing members 2, which are arranged at intervals along the circumference of the first annular mounting tube 1; there are multiple second fixing members 4, which are arranged at intervals along the circumference of the second annular mounting tube 3; there are multiple fasteners 5, and the multiple first fixing members 2, the multiple second fixing members 4, and the multiple fasteners 5 correspond to each other one by one; multiple first fixing members 2 are installed on the outer surface of the first annular mounting tube 1, and the multiple first fixing members 2 are arranged at intervals along the circumference of the first annular mounting tube 1; similarly, multiple second fixing members 4 are installed on the outer surface of the second annular mounting tube 3, and the multiple second fixing members 4 are arranged at intervals along the circumference of the second annular mounting tube 3; the multiple first fixing members 2 and the multiple second fixing members 4 are made to correspond to each other one by one, and finally the corresponding first fixing members 2 and second fixing members 4 are fixedly connected one by one using the fasteners 5, so that the connection between the first annular mounting tube 1 and the second annular mounting tube 3 is more stable and reliable. The first fixing members 2 and the second fixing members 4 are plate-shaped or cylindrical structures.
[0039] See also Figure 1 and Figure 4 As a specific embodiment of the socket joint provided by the present invention, multiple first fixing members 2 are evenly arranged along the circumference of the first annular mounting tube 1, and multiple second fixing members 4 are evenly arranged along the circumference of the second annular mounting tube 3. This effectively prevents loosening of the connection between the first annular mounting tube 1 and the second annular mounting tube 3 due to foundation settlement, ensuring that the sealing effect of the bellows 6 is not affected. The evenly arranged multiple first fixing members 2 and second fixing members 4 ensure that the connection between the first annular mounting tube 1 and the second annular mounting tube 3 is more evenly stressed and more stable.
[0040] See also Figures 1 to 5 As a specific embodiment of the socket joint provided by the present invention, the first fixing member 2 is a flange fixedly mounted on the outer surface of the first annular mounting tube 1, and the second fixing member 4 is a flange fixedly mounted on the outer surface of the second annular mounting tube 3. The use of flanges for both the first fixing member 2 and the second fixing member 4 strengthens the strength of the first fixing member 2 and the connection between the first fixing member 2 and the first annular mounting tube 1, and strengthens the strength of the second fixing member 4 and the connection between the second fixing member 4 and the second annular mounting tube 3. The flanges also have numerous and evenly spaced connection holes.
[0041] See also Figures 1 to 5As a specific embodiment of the socket joint provided by the present invention, the first fixing member 2 and the second fixing member 4 are both provided with through holes, and the fastener 5 includes a bolt 51 and a nut 52 threadedly connected to the bolt 51; when the two adjacent bellows 6 are butt-mounted, the second annular mounting tube 3 is sleeved on the outside of the first annular mounting tube 1, and a good seal is formed between the first annular mounting tube 1 and the second annular mounting tube 3 by means of the matching installation of the sealing surface 31 and the sealing ring 11; at this time, the first fixing member 2 and the second fixing member 4 correspond to each other, and the through hole on the first fixing member 2 is coaxially aligned with the through hole on the second fixing member 4, and then the bolt 51 is passed through the two through holes and locked and fixed with the nut 52 to achieve a reliable and stable connection between the first fixing member 2 and the second fixing member 4.
[0042] See also Figure 5 As a specific embodiment of the socket joint provided by the present invention, the fastener 5 also includes a pad 53 installed between the first fixing member 2 and the second fixing member 4, and the pad 53 is provided with a through hole for the bolt 51 to pass through; when the two adjacent bellows 6 are butt-mounted, the second annular mounting tube 3 is sleeved on the outer side of the first annular mounting tube 1, and a good seal is formed between the first annular mounting tube 1 and the second annular mounting tube 3 by means of the matching installation of the sealing surface 31 and the sealing ring 11; at this time, the first fixing member 2 and the second fixing member 4 correspond to each other, and a pad 53 with both ends abutting against the first fixing member 2 and the second fixing member 4 respectively is installed between the first fixing member 2 and the second fixing member 4, the through hole is coaxially aligned with the through holes on the first fixing member 2 and the second fixing member 4, and finally, a bolt 51 is passed through the through hole, the through hole and the through hole and is locked and fixed with a nut 52 to achieve a reliable and stable connection between the first fixing member 2 and the second fixing member 4.
[0043] See also Figure 1 and Figure 4 The embodiment of the present invention further provides a bellows 6, which includes any one of the above-mentioned socket joints.
[0044] The bellows 6 provided by the present invention adopts the above-mentioned socket joint. Therefore, a good sealing connection is formed between the sealing surface 31 and the sealing ring 11 by means of the second annular mounting tube 3 and the first annular mounting tube 1, and the first fixing member 2 and the second fixing member 4 are used for fixed connection to ensure a reliable sealing connection and also to fix the two bellows 6 together.
[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A socket joint, characterized in that: include: A first annular mounting cylinder is used for fixed installation on one end of the corrugated steel pipe and is coaxially arranged with the corrugated steel pipe; a plurality of sealing rings are provided on the outer circumference of the first annular mounting cylinder; a first fixing member, one end of which is fixedly mounted on the outer surface of the first annular mounting tube and the other end of which extends radially outward along the first annular mounting tube; the first fixing member is located at an end of the first annular mounting tube close to the bellows; A second annular mounting tube is configured to be fixedly mounted on the other end of the corrugated steel pipe and is coaxially arranged with the first annular mounting tube; a sealing surface is provided on the inner wall of the second annular mounting tube for cooperating with the sealing ring; and the inner wall of the second annular mounting tube is cooperating with the outer wall of the first annular mounting tube; a second fixing member, one end of which is fixedly mounted on the outer surface of the second annular mounting tube and the other end of which extends radially outward along the second annular mounting tube; the second fixing member is located at an end of the second annular mounting tube away from the bellows; the second fixing member corresponds to the first fixing member; A fastener is installed on the first fixing member and the second fixing member, and is used to fix the first fixing member and the second fixing member together.
2. The socket joint according to claim 1, wherein: A plurality of sealing grooves are provided on the outer circumferential surface of the first annular mounting cylinder, and the sealing rings are mounted in the corresponding sealing grooves.
3. The socket joint according to claim 2, wherein: The first annular mounting tube is provided with a thickened area located on a side away from the bellows, and the outer diameter of the thickened area is larger than the outer diameter of the first annular mounting tube on a side close to the bellows, and the sealing groove is opened on the thickened area.
4. The socket joint according to claim 1, wherein: The second annular mounting cylinder includes a straight cylinder section and two inclined cylinder sections respectively installed at both ends of the straight cylinder section. The inclined cylinder section close to the bellows extends inwardly and the inclined cylinder section away from the bellows extends outwardly. The second fixing member is located between the inclined cylinder section away from the bellows and the straight cylinder section. The sealing surface is provided on the inner wall of the straight cylinder section.
5. The socket joint according to claim 1, wherein: There are multiple first fixing members, which are spaced apart along the circumference of the first annular mounting tube; there are multiple second fixing members, which are spaced apart along the circumference of the second annular mounting tube; There are multiple fasteners, and the multiple first fixing members, the multiple second fixing members, and the multiple fasteners correspond one to one.
6. The socket joint according to claim 5, wherein: The plurality of first fixing members are evenly arranged along the circumference of the first annular mounting cylinder, and the plurality of second fixing members are evenly arranged along the circumference of the second annular mounting cylinder.
7. The socket joint according to claim 1, wherein: The first fixing member is a flange fixedly mounted on the outer side of the first annular mounting tube, and the second fixing member is an annular plate fixedly mounted on the outer side of the second annular mounting tube.
8. The socket joint according to claim 1, wherein: The first fixing member and the second fixing member are both provided with through holes, and the fasteners include bolts and nuts threadedly connected to the bolts.
9. The socket joint according to claim 8, wherein: The fastener further includes a pad installed between the first fixing member and the second fixing member, and the pad is provided with a through hole for the bolt to pass through.
10. A corrugated pipe, characterized in that: The invention comprises a socket joint according to any one of claims 1 to 9.