Integral pipe culvert connecting structure and corrugated pipe
By designing the overall culvert connection structure at the corrugated pipe connection, using the butt of the sealing gasket and axial extension plate and the vertical arrangement of the fasteners, the problems of poor sealing of the corrugated pipe connection and easy failure of the fasteners are solved, and better sealing and stability.
Patent Information
- Application Number
- CN202323658560.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing bellows connecting structure has poor sealing effect and is prone to shear failure, especially when the fasteners are unevenly settled.
The integrated culvert connection structure is adopted, including a first connecting block, a sealing gasket, a second connecting block and a fastener, and the accommodating groove and a sealing gasket are provided at the end of the bellows, and an axial extension plate and accommodating groove are used. The upper side walls are buttted and the fasteners pass vertically through the connecting block to ensure sealing and stability.
It improves the sealing between the bellows, avoids shear failure of the fasteners when the bellows settle, and ensures the firm connection and stability of the bellows.
Smart Images

Figure CN222351694U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of corrugated pipes, and more specifically, relates to an integral pipe culvert connection structure and a corrugated pipe. Background Art
[0002] With the increasing use of corrugated steel structure culverts, the diversity of usage scenarios is also gradually increasing. Some usage requirements require sealing effects. The key position of sealing is the connecting flange. The flange position has high structural strength and good sealing effect, which can withstand a certain internal pressure. The integral bellows is an integral round tube after processing. When multiple integral bellows are assembled into a structure with a certain length, the two adjacent integral bellows are connected by flange butt joint and fixed with bolts and other fasteners. However, this method makes the sealing effect between the two bellows poor, and it is easy to cause shear failure of bolts and other fasteners due to uneven settlement. Utility Model Content
[0003] The utility model aims to provide an integral pipe culvert connection structure and a corrugated pipe, so as to solve the technical problems existing in the prior art that the sealing effect between two corrugated pipes is poor and shear failure is easy to occur.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an integral pipe culvert connection structure, comprising:
[0005] A first connection block is used for fixed installation at one end of the corrugated pipe and is arranged along the circumference of the corrugated pipe; a receiving groove is provided on a side of the first connection block away from the corrugated pipe;
[0006] A sealing gasket is arranged vertically and installed on the bottom surface of the accommodating groove;
[0007] A second connection block is used to be installed at the other end of the bellows and is arranged along the circumference of the bellows; the second connection block includes an end face flange and an axial extension plate, the lower end of the end face flange is fixedly connected to the bellows, one end of the axial extension plate is fixedly connected to the upper end of the end face flange, and the other end extends toward the bellows and is fixedly connected to the bellows; the end face flange is installed in the accommodating groove and docked with the sealing gasket, and the axial extension plate corresponds to the upper side wall of the accommodating groove;
[0008] The fastener has a length direction perpendicular to the axial direction of the bellows; the fastener passes through the upper end of the first connecting block and the axial extension plate to fix the first connecting block and the second connecting block.
[0009] In a possible implementation, a first through hole arranged vertically is provided at the upper end of the first connecting block, and a second through hole coaxially aligned with the first through hole is provided on the axial extension plate; the fastener is passed through the first through hole and the second through hole to fasten the first connecting block and the second connecting block.
[0010] In a possible implementation, a nut is welded to the lower end of the axially extending plate, and the nut is coaxially arranged with the second through hole; the fastener is a bolt, and the bolt passes through the first through hole and the second through hole from top to bottom and is threadedly connected to the nut.
[0011] In a possible implementation manner, there are a plurality of the first through holes and the second through holes, and the first through holes and the second through holes are arranged circumferentially along the first connection block and the second connection block.
[0012] In a possible implementation manner, both the first through hole and the second through hole are elongated holes.
[0013] In a possible implementation manner, the first connection block is a C-shaped steel, and an opening of the C-shaped steel faces a side away from the corrugated tube.
[0014] In a possible implementation, the second connection block is an angle steel, and the two plates vertically arranged on the angle steel are the end face flange and the axial extension plate.
[0015] In a possible implementation, the integral culvert connection structure also includes a pressing plate, one end of which is fixedly connected to the outside of the corrugated pipe, and the other end is extruded and installed on the upper end of the second connecting block, and the fastener passes through the pressing plate, the upper end of the first connecting block and is fixedly connected to the axial extension plate.
[0016] In a possible implementation, both ends of the bellows are troughs, and the first connecting block and the end face flange are fixedly connected to the troughs at both ends of the bellows respectively.
[0017] The beneficial effect of the integral pipe culvert connection structure provided by the utility model is that: compared with the prior art, the integral pipe culvert connection structure of the utility model, when used, firstly installs the first connection block and the second connection block at the two ends of a corrugated pipe respectively, and when assembling a plurality of corrugated pipes into a whole, installs a sealing gasket in the receiving groove of the first connection block, and the sealing gasket is arranged vertically and abuts against the groove bottom surface of the receiving groove; after the two adjacent corrugated pipes are butt-jointed and installed, the end face flange and the axial extension plate in the second connection block enter the receiving groove, and the end face flange abuts against the sealing gasket so that the first connection block A good sealing connection is formed with the second connecting block, thereby ensuring that the two bellows have good sealing performance; the axial extension plate is connected to the upper side wall of the accommodating groove, and then a fastener is used to pass through the upper end of the first connecting block and the axial extension plate from top to bottom to fix the first connecting block and the second connecting block together. In this way, the fastener is located on one side of the joint of the two adjacent bellows, and the length direction of the fastener is perpendicular to the axial direction of the bellows. When the bellows settles, the fastener will not be affected, ensuring that the two adjacent bellows can still be firmly connected together under the action of the fastener.
[0018] Another object of the present invention is to provide a corrugated pipe, comprising any one of the above-mentioned integral pipe culvert connection structures.
[0019] The bellows provided by the utility model adopts an integral pipe culvert connection structure, so the overall sealing of the bellows is better, and when the bellows undergoes uneven settlement, it will not affect the fasteners, ensuring that the bellows as a whole can still be used securely. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 creative labor.
[0021] Figure 1 A schematic diagram of the structure of the bellows provided in an embodiment of the utility model;
[0022] Figure 2 A schematic diagram of the connection of two adjacent bellows provided in an embodiment of the utility model;
[0023] Figure 3 A schematic diagram of the structure of the integral pipe culvert connection structure provided by an embodiment of the utility model;
[0024] Figure 4 A side view of a bellows provided in an embodiment of the utility model.
[0025] Among them, the reference numerals in the figure are:
[0026] 1. First connecting block; 11. Accommodating groove; 12. First through hole; 2. Sealing gasket; 3. Second connecting block; 31. End face flange; 32. Axial extension plate; 33. Second through hole; 4. Fastener; 41. Nut; 5. Pressing sheet; 6. Bellows. DETAILED DESCRIPTION
[0027] 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 in conjunction with 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 used to limit the present invention.
[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can 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 can be directly connected to the other element or indirectly connected to the other element.
[0029] 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 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.
[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0031] See also Figures 1 to 4The integral pipe culvert connection structure provided by the utility model is now described. An integral pipe culvert connection structure includes a first connection block 1, a sealing gasket 2, a second connection block 3 and a fastener 4. The first connection block 1 is used to be fixedly installed at one end of the corrugated pipe 6 and is arranged along the circumference of the corrugated pipe 6; a receiving groove 11 is provided on the side of the first connection block 1 away from the corrugated pipe 6; the sealing gasket 2 is vertically arranged and installed on the bottom surface of the receiving groove 11; the second connection block 3 is used to be installed at the other end of the corrugated pipe 6 and is arranged along the circumference of the corrugated pipe 6; the second connection block 3 includes an end face flange 31 and an axial extension plate 31. 2, the lower end of the end face flange 31 is fixedly connected to the bellows 6, one end of the axial extension plate 32 is fixedly connected to the upper end of the end face flange 31, and the other end extends toward the bellows 6 and is fixedly connected to the bellows 6; the end face flange 31 is installed in the accommodating groove 11 and docked with the sealing gasket 2, and the axial extension plate 32 corresponds to the upper side wall of the accommodating groove 11; the length direction of the fastener 4 is perpendicular to the axial direction of the bellows 6; the fastener 4 passes through the upper end of the first connecting block 1 and the axial extension plate 32 to fix the first connecting block 1 and the second connecting block 3.
[0032] Compared with the prior art, the integral pipe culvert connection structure provided by the utility model is as follows: when in use, the first connection block 1 and the second connection block 3 are respectively installed at the two ends of a corrugated pipe 6; when a plurality of corrugated pipes 6 are assembled into a whole, a sealing gasket 2 is installed in the receiving groove 11 of the first connection block 1, and the sealing gasket 2 is arranged vertically and abuts against the groove bottom surface of the receiving groove 11; after the two adjacent corrugated pipes 6 are butt-jointed and installed, the end face flange 31 and the axial extension plate 32 in the second connection block 3 enter the receiving groove 11, and the end face flange 31 abuts against the sealing gasket 2 so that the first connection block 1 A good sealing connection is formed with the second connecting block 3, and the axial extension plate 32 is connected to the upper side wall of the accommodating groove 11, and then the fastener 4 is used to pass through the upper end of the first connecting block 1 and the axial extension plate 32 from top to bottom to fix the first connecting block 1 and the second connecting block 3 together. In this way, the fastener 4 is located on one side of the joint of the two adjacent bellows 6, and the length direction of the fastener 4 is perpendicular to the axial direction of the bellows 6. When the bellows 6 sinks, it will not affect the fastener 4, ensuring that the two adjacent bellows 6 can still be firmly connected together under the action of the fastener 4.
[0033] See also Figures 1 to 3As a specific embodiment of the integral pipe culvert connection structure provided by the utility model, a first through hole 12 arranged vertically is provided at the upper end of the first connection block 1, and a second through hole 33 coaxially aligned with the first through hole 12 is provided on the axial extension plate 32; a fastener 4 is passed through the first through hole 12 and the second through hole 33 to fasten the first connection block 1 and the second connection block 3; when the second connection block 3 is connected to the first connection block 1, the vertical plate on the second connection block 3 is squeezed into the accommodating groove 11 on the first connection block 1, and the vertical plate is on the vertically arranged sealing gasket 2, and the axial extension plate 32 also enters the accommodating groove 11 and the axial extension plate 32 is in contact with the upper side wall of the accommodating groove 11, and the first through hole 12 and the second through hole 33 are coaxially aligned; finally, the fastener 4 is used to pass through the first through hole 12 and the second through hole 33 to fix the axial extension plate 32 and the first connection block 1.
[0034] See also Figure 2 and Figure 3 As a specific embodiment of the integral pipe culvert connection structure provided by the utility model, a nut 41 is welded at the lower end of the axial extension plate 32, and the nut 41 is coaxially arranged with the second through hole 33; the fastener 4 is a bolt, and the bolt passes through the first through hole 12 and the second through hole 33 from top to bottom and is threadedly connected with the nut 41; a fixing nut 41 is welded on the lower end surface of the axial extension plate 32, and the nut 41 is axially arranged with the second through hole 33, and a bolt is used to pass through the second through hole 33 from top to bottom and is threadedly connected with the nut 41, so that the axial extension plate 32 and the first connection block 1 are fixedly connected together with the help of the bolt, which is convenient and quick to operate.
[0035] Preferably, there are multiple first through holes 12 and second through holes 33, and they are arranged circumferentially along the first connecting block 1 and the second connecting block 3; thereby making the force-bearing positions of the first connecting block 1 and the second connecting block 3 more numerous and uniform, thereby ensuring that the connection of the entire bellows 6 is more stable and reliable.
[0036] See also Figures 1 to 3 As a specific implementation of the integral pipe culvert connection structure provided by the utility model, the first through hole 12 and the second through hole 33 are both long holes. The use of long holes increases the accuracy of the relative alignment of the first through hole 12 and the second through hole 33. Even if the first through hole 12 and the second through hole 33 are evenly distributed and staggered, they can still be fixedly connected using the fastener 4.
[0037] See also Figures 1 to 3As a specific embodiment of the integral pipe culvert connection structure provided by the utility model, the first connection block 1 is a C-shaped steel, and the opening of the C-shaped steel faces the side away from the corrugated pipe 6; firstly, the use of the steel as the first connection block 1 enhances its strength and bearing capacity, and the C-shaped steel itself has a receiving groove 11, and does not need to be reprocessed. The opening of the C-shaped steel is set to the side away from the corrugated pipe 6, which is convenient for docking and installation with the corresponding second connection block 3.
[0038] Similarly, the second connection block 3 is an angle steel, which has high strength due to its own characteristics and can be used reliably; and the angle steel itself forms two vertical plates and an axial extension plate 32 arranged perpendicular to each other, without any other additional operations.
[0039] See also Figure 3 As a specific embodiment of the integral pipe culvert connection structure provided by the utility model, the integral pipe culvert connection structure also includes a pressing plate 5, one end of the pressing plate 5 is fixedly connected to the outside of the corrugated tube 6, and the other end is extruded and installed on the upper end of the second connection block 3, and the fastener 4 passes through the pressing plate 5 and the upper end of the first connection block 1 and is fixedly connected to the axial extension plate 32; with the help of the pressing plate 5, the thickness of the first connection block 1 is increased, so that when the first connection block 1 is connected to the axial extension plate 32, the connection between the two is strengthened and the connection is more firm.
[0040] See also Figure 1 and Figure 2 As a specific implementation of the integral pipe culvert connection structure provided by the utility model, both ends of the corrugated pipe 6 are troughs, and the first connecting block 1 and the end face flange 31 are fixedly connected to the troughs at both ends of the corrugated pipe 6, respectively, so that the first connecting block 1 and the second connecting block 3 installed at both ends of the corrugated pipe 6 will not protrude too much from the outer side of the corrugated pipe 6, thereby ensuring that the corrugated pipe 6 is not easily affected or disturbed by external factors; this method also makes the structure of the corrugated pipe 6 compact and convenient for installation, transportation and other operations.
[0041] See also Figure 1 , Figure 2 and Figure 4 The embodiment of the utility model further provides a corrugated pipe 6, which includes any one of the above-mentioned integral pipe culvert connection structures.
[0042] The bellows 6 provided by the utility model adopts the above-mentioned integral pipe culvert connection structure, so that the overall sealing performance of the bellows 6 is better, and when the bellows 6 undergoes uneven settlement, it will not affect the fastener 4, ensuring that the bellows 6 as a whole can still be used securely.
[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An integral pipe culvert connection structure, characterized in that: include: A first connection block is used for fixed installation at one end of the corrugated pipe and is arranged along the circumference of the corrugated pipe; a receiving groove is provided on a side of the first connection block away from the corrugated pipe; A sealing gasket is arranged vertically and installed on the bottom surface of the accommodating groove; A second connection block is used to be installed at the other end of the bellows and is arranged along the circumference of the bellows; the second connection block includes an end face flange and an axial extension plate, the lower end of the end face flange is fixedly connected to the bellows, one end of the axial extension plate is fixedly connected to the upper end of the end face flange, and the other end extends toward the bellows and is fixedly connected to the bellows; the end face flange is installed in the accommodating groove and docked with the sealing gasket, and the axial extension plate corresponds to the upper side wall of the accommodating groove; The fastener has a length direction perpendicular to the axial direction of the bellows; the fastener passes through the upper end of the first connecting block and the axial extension plate to fix the first connecting block and the second connecting block.
2. The integral pipe culvert connection structure according to claim 1, characterized in that: A first through hole arranged vertically is provided at the upper end of the first connecting block, and a second through hole coaxially aligned with the first through hole is provided on the axial extension plate; the fastener is passed through the first through hole and the second through hole to fasten the first connecting block and the second connecting block.
3. The integral pipe culvert connection structure according to claim 2, characterized in that: A nut is welded to the lower end of the axially extending plate, and the nut is coaxially arranged with the second through hole; the fastener is a bolt, and the bolt passes through the first through hole and the second through hole from top to bottom and is threadedly connected with the nut.
4. The integral pipe culvert connection structure according to claim 2, characterized in that: There are a plurality of the first through holes and the second through holes, and the first through holes and the second through holes are arranged circumferentially along the first connection block and the second connection block.
5. The integral pipe culvert connection structure according to claim 2, characterized in that: The first through hole and the second through hole are both long holes.
6. The integral pipe culvert connection structure according to claim 1, characterized in that: The first connection block is a C-shaped steel, and the opening of the C-shaped steel faces a side away from the corrugated pipe.
7. The integral pipe culvert connection structure according to claim 6, characterized in that: The second connection block is an angle steel, and the two plates vertically arranged on the angle steel are the end face flange and the axial extension plate.
8. The integral pipe culvert connection structure according to claim 1, characterized in that: The integral pipe culvert connection structure also includes a pressing plate, one end of which is fixedly connected to the outside of the corrugated pipe, and the other end is extruded and installed on the upper end of the second connection block. The fastener passes through the pressing plate, the upper end of the first connection block and is fixedly connected to the axial extension plate.
9. The integral pipe culvert connection structure according to claim 1, characterized in that: Both ends of the corrugated pipe are wave troughs, and the first connecting block and the end face flange are fixedly connected to the wave troughs at both ends of the corrugated pipe respectively.
10. A corrugated pipe, characterized in that: It comprises the integral pipe culvert connection structure as described in any one of claims 1 to 9.