Assembly type prefabricated drainage ditch structure
By incorporating U-shaped sealing grooves, casting grooves, and sealing grout into prefabricated drainage ditch components, the leakage problem at the joints is solved, achieving efficient waterproofing performance and a convenient construction process, making it suitable for applications with high sealing requirements.
Patent Information
- Application Number
- CN202423119774.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The existing plug-in connection method of prefabricated drainage ditch components has poor waterproof performance, is prone to leakage, and is difficult to meet the requirements of high sealing.
The design incorporates a U-shaped sealing groove and a casting groove, combined with sealing strips and sealing slurry, to enhance the sealing performance of the joint. The connection stability is also improved through a stop groove and an arc-shaped design.
It significantly improves the waterproof performance of drainage ditches, making them suitable for applications requiring high sealing, while also reducing material waste and increasing construction efficiency.
Smart Images

Figure CN223523222U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to prefabricated drainage ditch component design technical field, concretely is a kind of assembled prefabricated drainage ditch structure. BACKGROUND
[0002] Traditional drainage ditch usually adopts the way of brick masonry plus plastering construction, this process is not only complex and time-consuming, prefabricated drainage ditch component appears later, first complete prefabrication in factory, then transport to construction site and carry out quick assembly, by the head and tail insertion connection of adjacent two sections of drainage ditch component, complete drainage ditch can be formed quickly, this way has the advantages, such as simple construction, short construction period and quality is easy to control.
[0003] However, the insertion mode of the end of the existing two-section drainage ditch component has certain limitations, specifically combined with the prefabricated drainage ditch of application No. UTILITY MODEL CONTENTS
[0004] To solve the technical problems in the above background art that the existing prefabricated drainage ditch component is connected by simple groove and tenon insertion, has poor waterproof performance, is prone to leakage, and is not suitable for occasions with high sealing requirements, the utility model provides an assembled prefabricated drainage ditch structure.
[0005] The utility model technical scheme is as follows:
[0006] An assembled prefabricated drainage ditch structure includes a plurality of U-shaped groove bodies, the groove body is provided with a socket at the front end and a plug at the rear end, and the plurality of groove bodies are connected by the socket at the front end and the plug at the rear end.
[0007] As the core technical concept of the utility model, a sealing groove is arranged at the inner periphery of the contact surface between the socket and the adjacent plug, the sealing groove is U-shaped perpendicular to the length direction of the groove body, and a sealing strip is arranged in the sealing groove to enhance the sealing performance of the connection between the plug and the socket, thereby preventing leakage.
[0008] Further, the inner peripheral edge position of the rear end of the plug and / or the inner peripheral edge position of the side of the slot abutting against the rear end of the plug is provided with a pouring groove, the pouring groove is in the shape of U perpendicular to the length direction of the slot body, and the pouring groove is filled with sealing paste to provide an additional sealing layer. The sealing paste is a material for filling gaps to prevent water or other fluids from penetrating, including but not limited to mud or mortar.
[0009] The combination of the sealing strip and the sealing paste in the drainage ditch structure provides a double-layer waterproof effect, significantly improves the waterproof performance of the drainage ditch structure, and makes the structure particularly suitable for occasions with high sealing requirements; at the same time, the design of the pouring groove also facilitates the pouring of the sealing paste by the construction personnel according to the predetermined path, reduces material waste, and improves construction efficiency.
[0010] As a further implementation, the outer peripheral edge of the position corresponding to the sealing groove of the plug is provided with a stop groove, the groove bottom surfaces of the stop groove and the sealing groove are arc-shaped surfaces with openings facing each other, and the two sides of the sealing strip abut against the groove bottoms of the stop groove and the sealing groove. When the plug is inserted into the slot, the structure of the stop groove provides a resistance for the reverse movement of the sealing strip along the insertion direction, so that the plug and the slot are not easy to come off when subjected to a pulling force along the length direction of the slot body.
[0011] As a preferred implementation, the pouring groove includes a first pouring groove and a second pouring groove in communication with the first pouring groove. The first pouring groove is arranged at the inner peripheral edge position of the side of the slot abutting against the rear end of the plug, and the second pouring groove is arranged at the inner peripheral edge position of the rear end of the plug. The cross-sectional shape of the two pouring grooves is arc-shaped with openings facing the center of the slot body. Through the special design of the first pouring groove and the second pouring groove, the area of the sealing paste at the connection between the slot and the plug is increased, thereby improving the structural strength of the connection part. At the same time, the arc-shaped cross-sectional shape of the two pouring grooves helps the sealing paste to better contact the slot body, reducing the possibility of leakage.
[0012] Further, the front end face of the slot and the abutting side of the plug are horizontal surfaces to ensure close contact between the slot and the plug, reduce the gap, and the rear end face of the plug and the abutting side of the slot are arc-shaped surfaces protruding backward to disperse stress concentration points, reduce the risk of damage caused by excessive local stress during installation, and prevent the plug from deflecting relative to the slot in the reverse direction perpendicular to the length direction of the slot body, thereby helping to improve the stability and sealing performance of the structure.
[0013] To improve the sealing effect of the sealing strip, the sealing groove is arranged at the inner peripheral edge middle position of the contact surface between the slot and the adjacent plug to ensure that the sealing strip can evenly distribute pressure when subjected to pressure, thereby improving the overall sealing effect.
[0014] Further, the length of the sealing groove along the length direction of the groove body is not less than 1 / 6 of the length of the plug, the longer sealing groove can accommodate more sealing strip material, thereby increasing the contact area between the sealing strip and the plug groove and the plug, and providing better support force during plugging, so that the connection between the plug groove and the plug is more firm and not easy to loosen, which helps to improve the overall sealing effect.
[0015] Based on the above structure design, a cover plate is further laid on the upper side of the plurality of groove bodies, a plurality of water inlet holes are arranged on the cover plate, in use, the structure is arranged below the ground, the cover plate is usually flush with the ground or slightly lower than the ground height, the cover plate supports pedestrians to walk, effectively utilizes the ground walking space, and the road accumulated water can quickly flow into the drainage ditch from the water inlet holes.
[0016] The beneficial effects of the utility model lie in that the combination design of the sealing strip and the sealing slurry provides double-layer waterproof effect, significantly improves the waterproof performance of the drainage ditch structure, and makes the structure particularly suitable for occasions with high sealing requirements; meanwhile, the design of the pouring groove also facilitates the pouring of the sealing slurry by the construction personnel according to the predetermined path, reduces material waste, and improves construction efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] In the drawings:
[0018] Figure 1 It is an installation structure schematic view of two groove bodies of the utility model assembled type prefabricated drainage ditch structure;
[0019] Figure 2 It is an explosion schematic view (the sealing strip is installed on the plug groove); Figure 1
[0020] Figure 3 It is a structure schematic view of the plug groove in the utility model; Figure 1
[0021] Figure 4 It is a structure schematic view of the plug in the utility model; Figure 1
[0022] Figure 5 It is an A-A cross section schematic view of the utility model; Figure 1
[0023] The components represented by the reference signs in the drawings are:
[0024] 1, plug groove; 11, sealing groove; 12, first pouring groove; 2, plug; 21, second pouring groove; 22, stop groove; 3, sealing strip. DETAILED DESCRIPTION
[0025] Combined with Figure 1 and Figure 2 The embodiment provides an assembled prefabricated drainage ditch structure, which comprises a plurality of U-shaped groove bodies, the front end of the groove body is provided with a insertion slot 1, the rear end is provided with a plug 2, and the plurality of groove bodies are connected by inserting the insertion slot 1 at the front end into the plug 2 at the rear end.
[0026] The length of the groove body is usually 2m, which is convenient for transportation and assembly of construction personnel, and when used, a cover plate is further arranged on the upper side of the plurality of groove bodies, a plurality of water inlet holes are arranged on the cover plate, the drainage ditch structure is arranged below the ground, and the cover plate is usually flush with the ground or slightly lower than the ground height; the cover plate supports pedestrians to walk, effectively utilizes the ground walking space, and road surface water can quickly flow into the drainage ditch from the water inlet hole.
[0027] In combination with Figure 2 and Figure 3 , a sealing groove 11 is arranged at the inner periphery of the contact surface between the insertion slot 1 and the adjacent plug 2, the sealing groove 11 is in the shape of a U-shaped surface perpendicular to the length direction of the groove body, and a sealing strip 3 is arranged in the sealing groove 11, so that the sealing property of the connection between the plug 2 and the insertion slot 1 is enhanced, and the effect of preventing leakage is achieved.
[0028] In combination with Figure 1 , the front end surface of the insertion slot 1 and the abutting side of the plug 2 are horizontal surfaces, so that the contact between the insertion slot 1 and the plug 2 is ensured to be close, and the gap is reduced, and the rear end surface of the plug 2 and the abutting side of the insertion slot 1 are in the shape of an arc protruding rearward, so that the stress concentration point is dispersed, the risk of damage caused by excessive local stress during installation is reduced, and the plug 2 is prevented from being deflected in the reverse direction perpendicular to the length direction of the groove body relative to the insertion slot 1, thereby helping to improve the stability and sealing property of the structure.
[0029] In combination with Figure 4 and Figure 5 , a stop groove 22 is arranged at the outer periphery of the plug 2 corresponding to the position of the sealing groove 11, the groove bottom surface of the stop groove 22 and the sealing groove 11 is in the shape of an arc surface with the opening facing each other, the two sides of the sealing strip 3 abut against the groove bottom of the stop groove 22 and the sealing groove 11, and when the plug 2 is inserted into the insertion slot 1, the structure of the stop groove 22 provides a resistance for the reverse movement of the sealing strip 3 in the insertion direction, so that the plug 2 and the insertion slot 1 are not easy to be loosened when subjected to the pulling force in the length direction of the groove body.
[0030] In combination with Figure 1 , in order to improve the sealing effect of the sealing strip 3, the sealing groove 11 is arranged at the middle position of the inner periphery of the contact surface between the insertion slot 1 and the adjacent plug 2, so that the sealing strip 3 can uniformly distribute the pressure when subjected to the pressure, thereby improving the overall sealing effect.
[0031] In this embodiment, the length of the sealing groove 11 along the length direction of the groove body is not less than 1 / 6 of the length of the plug 2. The longer sealing groove 11 can accommodate more sealing strip 3 material, thereby increasing the contact area between the sealing strip 3 and the plug groove 1 and the plug 2 and providing better support force during the plugging process, so that the connection between the plug groove 1 and the plug 2 is more firm and not easy to loosen, which helps to improve the overall sealing effect.
[0032] Based on the above structure design, a pouring groove is provided at the inner peripheral edge position of the rear end of the plug 2 and / or the inner peripheral edge position of the side where the plug groove 1 and the plug 2 abut against each other. The pouring groove is in the shape of U perpendicular to the length direction of the groove body, and sealing slurry is poured into the pouring groove to provide an additional sealing layer. The sealing slurry is a material used to fill gaps to prevent water or other fluids from penetrating, including but not limited to mud or mortar.
[0033] The combination design of the sealing strip 3 and the sealing slurry in the drainage ditch structure provides a double-layer waterproof effect, significantly improves the waterproof performance of the drainage ditch structure, and makes the structure particularly suitable for occasions with high sealing requirements. At the same time, the design of the pouring groove also facilitates the pouring of the sealing slurry by the construction personnel according to the predetermined path, reduces material waste, and improves construction efficiency.
[0034] In combination with Figure 1 , Figure 3 and Figure 4 , the pouring groove of the present embodiment includes a first pouring groove 12 and a second pouring groove 21 connected thereto. The first pouring groove 12 is provided at the inner peripheral edge position of the side where the plug groove 1 and the plug 2 abut against each other at the rear end, and the second pouring groove 21 is provided at the inner peripheral edge position of the rear end of the plug 2. The cross-sectional shape of the two pouring grooves is in the shape of an arc with the opening facing the center of the groove body. Through the special design of the first pouring groove 12 and the second pouring groove 21, the area of the sealing slurry at the connection between the plug groove 1 and the plug 2 is increased, thereby improving the structural strength of the connection part. At the same time, the arc-shaped cross-sectional shape of the two pouring grooves helps the sealing slurry to better contact the groove body, reducing the possibility of leakage.
[0035] The assembled prefabricated drainage ditch structure of the present embodiment realizes efficient waterproof performance and convenient construction process through the carefully designed sealing structure and pouring groove. The double-layer waterproof design and construction convenience make it an ideal choice for occasions with high sealing requirements.
Claims
1. A fabricated prefabricated drainage ditch structure, characterized by, The application relates to a U-shaped groove body, which is provided with a slot (1) at the front end and a plug (2) at the rear end, and a plurality of groove bodies are connected in a head-to-tail mode through the slot (1) at the front end and the plug (2) at the rear end. A sealing groove (11) is arranged at the inner periphery of the contact surface between the slot (1) and the adjacent plug (2), the sealing groove (11) is in a U shape perpendicular to the length direction of the groove body, and a sealing strip (3) is arranged in the sealing groove (11). A pouring groove is arranged at the inner periphery of the rear end of the plug (2) and / or the inner periphery of the rear end of the plug (2) which is in abutment with the slot (1), the pouring groove is in a U shape perpendicular to the length direction of the groove body, and sealing slurry is poured into the pouring groove.
2. The prefabricated assembled drainage ditch structure according to claim 1, characterized in that, An arresting groove (22) is arranged at the outer periphery of the position corresponding to the sealing groove (11) of the plug (2). The groove bottom surfaces of the arresting groove (22) and the sealing groove (11) are arc surfaces with openings facing each other, and the two sides of the sealing strip (3) are in abutment with the groove bottoms of the arresting groove (22) and the sealing groove (11).
3. The prefabricated assembled drainage ditch structure according to claim 1, characterized in that, The pouring groove comprises a first pouring groove (12) and a second pouring groove (21) connected with the first pouring groove (12). The first pouring groove (12) is arranged at the inner periphery of the rear end of the plug (2) which is in abutment with the slot (1), and the second pouring groove (21) is arranged at the inner periphery of the rear end of the plug (2), and the cross-sectional shapes of the two pouring grooves are arc shapes with openings facing the center of the groove body.
4. The prefabricated assembled drainage ditch structure according to claim 1, characterized in that, The front end surface of the slot (1) and the abutment side of the plug (2) are horizontal surfaces.
5. The prefabricated assembled drainage ditch structure according to claim 4, characterized in that, The rear end surface of the plug (2) and the abutment side of the slot (1) are arc surfaces protruding rearward.
6. The prefabricated drainage channel structure according to any one of claims 1-5, characterized in that, The sealing groove (11) is arranged at the middle position of the inner periphery of the contact surface between the slot (1) and the adjacent plug (2).
7. The prefabricated assembled drainage ditch structure according to claim 6, characterized in that, The length of the sealing groove (11) along the length direction of the groove body is not less than 1 / 6 of the length of the plug (2).
8. The prefabricated assembled drainage ditch structure according to claim 6, characterized in that, The upper sides of the plurality of groove bodies are further provided with cover plates, and a plurality of water inlet holes are arranged on the cover plates.
Citation Information
Patent Citations
Precast drainage ditch
CN202936768U