Ear wall structure of small drainage box culvert
By installing locking and sealing devices in the culvert walls of small drainage boxes, and using the elastic restoring force of springs to fix the drainage box body, the problem of displacement under extrusion pressure is solved, thus achieving water leakage prevention and airtightness.
Patent Information
- Application Number
- CN202520455771.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing small drainage culvert ear walls are prone to displacement under compressive stress, which affects their performance.
The system employs locking and sealing devices, using the elastic restoring force of springs to fix the drainage tank and prevent displacement, while sealing frames seal gaps to prevent water leakage.
This effectively avoids water leakage caused by displacement of the drainage tank due to squeezing pressure, ensuring airtightness and normal use.
Smart Images

Figure CN223706315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to small -size drainage box culvert ear wall technical field, specifically a small -size drainage box culvert ear wall structure. BACKGROUND
[0002] Box culvert refers to the body with reinforced concrete box -shaped pipe section construction culvert, and the box culvert is composed of one or more square or rectangular section, which is generally made of reinforced concrete or masonry, but the reinforced concrete is widely used, but the ear wall needs to be constructed on both sides of the box culvert;
[0003] There is a deformation joint between each ear wall and the corresponding slope protection, which is filled with elastic waterstop material and sealed to form a flexible connection, but in the actual use process, due to the extrusion force on the top of the box culvert, the displacement of the box culvert is caused, and the normal use is affected.
[0004] Therefore, a small drainage box culvert ear wall structure is proposed for the above problems. INVENTION CONTENTS
[0005] To solve the problems in the background art, the utility model provides a small drainage box culvert ear wall structure, which can avoid the displacement of the box culvert caused by the extrusion force on the top of the box culvert, thereby affecting the normal use.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a small drainage box culvert ear wall structure, which comprises an ear wall main body and a drainage box body, the top of the ear wall main body is provided with a locking device, the locking device comprises an embedded block, the top of the embedded block is provided with an embedded groove, and the inner wall of the embedded groove is provided with an embedded groove on both sides, the embedded groove is provided with a clamping block which is connected with the inner wall of the embedded groove on both sides, the clamping block is provided with two support grooves on one side, and the support grooves are provided with a support rod which is connected with the inner wall of the support grooves, the support rod is provided with a first spring which is connected with the inner wall of the embedded groove on both sides.
[0007] Preferably, one side of the clamping block is provided with an extrusion inclined surface, the other end of the support rod is connected with the inner wall of the embedded groove, the embedded block is embedded in one side of the ear wall main body, and one side of the drainage box body is attached to one side of the ear wall main body.
[0008] Preferably, the inner wall of the embedded groove is provided with a sliding groove on both sides, and the sliding groove is provided with a sliding block which is connected with one side of the clamping block.
[0009] Preferably, the bottom of the drain tank is connected with a limiting block, both sides of the limiting block are provided with clamping grooves, one side of the clamping grooves is inserted with the clamping block, and the outer wall of the limiting block is in sliding connection with the inner wall of the embedding groove.
[0010] Preferably, the inside of the ear wall body is provided with a culvert, the inner wall of the culvert is provided with a movable groove, the movable groove is provided with a sealing device, the sealing device comprises a sealing frame, a plurality of fixed rods are connected to one side of the sealing frame, and the outer wall of the fixed rods is sleeved with a second spring.
[0011] Preferably, the outer wall of the sealing frame is in sliding connection with the inner wall of the movable groove, both ends of the second spring are connected to one side of the sealing frame and one side of the inner wall of the movable groove respectively, the inner wall of the movable groove is provided with a plurality of fixing grooves, the inner wall of the fixing grooves is in sliding connection with the outer wall of the fixed rods, both sides of the drain tank are provided with sealing grooves, and one side of the sealing frame is inserted into the inside of one of the sealing grooves.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a locking device is set up, through the limiting block of drain tank bottom is moved to embedding groove, then limiting block extrusion clamping piece, make clamping piece move inwards and extrude first spring, then when drain tank is placed to the position, through the rebound of first spring drive clamping piece to extend to the clamping groove, thereby fix limiting block, thereby avoid the displacement of drain tank and cause the seepage of water.
[0014] 2、The utility model discloses a sealing device is set up, through the one side of drain tank is aligned sealing frame, then the drain tank is pushed to the position, make sealing frame through the elasticity of second spring and extend to sealing groove, thereby make the gap between drain tank and ear wall body and block up, thereby guarantee the airtightness between drain tank and ear wall body, thereby avoid the seepage of water. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the overall structure schematic diagram of the utility model;
[0016] Fig. 2 It is the limiting block sectional structure schematic diagram of the utility model;
[0017] Fig. 3 It is the local structure schematic diagram of the utility model A place;
[0018] Fig. 4 It is the sealing device structure schematic diagram of the utility model.
[0019] In the diagram: 1. Drainage tank; 2. Ear wall body; 3. Movable groove; 4. Snap-fit groove; 5. Limiting block; 6. Culvert; 7. Locking device; 701. Embedded block; 702. Embedded groove; 703. Support rod; 704. Internal groove; 705. First spring; 706. Snap-fit block; 707. Slide groove; 8. Sealing device; 801. Sealing frame; 802. Fixing rod; 803. Second spring; 9. Sealing groove. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figs. 1 to 4 As shown, this utility model provides a small drainage culvert ear wall structure, including an ear wall body 2 and a drainage box body 1. The top of the ear wall body 2 is provided with a locking device 7, which includes an embedded block 701. The top of the embedded block 701 is provided with an embedded groove 702, and both sides of the inner wall of the embedded groove 702 are provided with built-in grooves 704. The inner wall of the built-in groove 704 is slidably connected to a snap-fit block 706. Two support grooves are provided on one side of the snap-fit block 706, and a support rod 703 is slidably connected to the inner wall of the support groove. A first spring 705 is sleeved on the outer wall of the support rod 703. The two ends of the first spring 705 are respectively connected to one side of the snap-fit block 706 and the inner wall of the built-in groove 704. On one side of the wall, the snap-fit block 706 has a pressing bevel, and the other end of the support rod 703 is connected to one side of the inner wall of the built-in groove 704. The embedded block 701 is embedded in one side of the ear wall body 2, and one side of the drainage tank 1 is in contact with one side of the ear wall body 2. The inner wall of the built-in groove 704 has sliding grooves 707 on both sides, and a slider is slidably connected in the sliding groove 707. One side of the slider is connected to one side of the snap-fit block 706. The bottom of the drainage tank 1 is connected to a limiting block 5. The limiting block 5 has snap-fit grooves 4 on both sides, and the snap-fit grooves 4 are inserted into one side of the snap-fit block 706. The outer wall of the limiting block 5 is slidably connected to the inner wall of the embedded groove 702.
[0022] In a specific implementation, by setting the slider to slide within the slide groove 707, the locking block 706 is made more stable when moving, avoiding deviation that could cause jamming and affect the normal operation of the device. By setting the support rod 703, the first spring 705 is prevented from bending when compressed, thus avoiding affecting the rebound effect of the first spring 705.
[0023] The inside of the ear wall body 2 is provided with a culvert 6, and the inner wall of the culvert 6 is provided with a movable groove 3, and the movable groove 3 is provided with a sealing device 8, and the sealing device 8 comprises a sealing frame 801, a plurality of fixed rods 802 are connected to one side of the sealing frame 801, a second spring 803 is sleeved on the outer wall of the fixed rod 802, the outer wall of the sealing frame 801 is slidably connected with the inner wall of the movable groove 3, and the two ends of the second spring 803 are connected to one side of the sealing frame 801 and one side of the inner wall of the movable groove 3 respectively, a plurality of fixed grooves are formed in the inner wall of the movable groove 3, and the inner wall of the fixed groove is slidably connected with the outer wall of the fixed rod 802, and the two sides of the drainage tank body 1 are provided with sealing grooves 9, and one side of the sealing frame 801 is inserted into the inside of one of the sealing grooves 9.
[0024] The specific embodiment is supported by the fixed rod 802, so that the second spring 803 avoids shaking when being compressed, thereby ensuring the elasticity of the second spring 803, and the second spring 803 is arranged, so that the sealing frame 801 is always tightly attached to the sealing groove 9 through the elasticity of the second spring 803, thereby ensuring the airtightness and preventing water seepage.
[0025] Working principle: when in use, the drainage tank body 1 is moved into the culvert 6, and then the second spring 803 is elastically arranged, so that the second spring 803 drives the sealing frame 801 to extend into the sealing groove 9 on one side of the drainage tank body 1, thereby sealing the gap between the drainage tank body 1 and the ear wall body 2, thereby avoiding water seepage, and at the same time, when the drainage tank body 1 is moved, the limiting block 5 is slid in the embedded groove 702, thereby pressing the clamping block 706 to move inward, and when it is moved to the position, the first spring 705 is elastically arranged, so that the first spring 705 drives the clamping block 706 to extend into the clamping groove 4, thereby fixing the limiting block 5, so as to avoid the displacement of the drainage tank body 1 due to the extrusion of the upper soil, thereby avoiding water seepage.
[0026] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A small drainage culvert ear wall structure, comprising an ear wall body (2) and a drainage culvert body (1), characterized in that: The top of the ear wall body (2) is provided with a locking device (7). The locking device (7) includes an embedded block (701). The top of the embedded block (701) is provided with an embedded groove (702). Both sides of the inner wall of the embedded groove (702) are provided with built-in grooves (704). The inner wall of the built-in groove (704) is slidably connected with a snap-fit block (706). Two support grooves are provided on one side of the snap-fit block (706). The inner wall of the support groove is slidably connected with a support rod (703). The outer wall of the support rod (703) is fitted with a first spring (705). The two ends of the first spring (705) are respectively connected to one side of the snap-fit block (706) and one side of the inner wall of the built-in groove (704).
2. The small drainage culvert ear wall structure according to claim 1, characterized in that: The snap-fit block (706) has a pressing slope on one side, and the other end of the support rod (703) is connected to one side of the inner wall of the built-in groove (704). The embedding block (701) is embedded in one side of the ear wall body (2), and one side of the drainage box (1) is in contact with one side of the ear wall body (2).
3. The small drainage culvert ear wall structure according to claim 2, characterized in that: The inner wall of the built-in groove (704) is provided with sliding grooves (707) on both sides, and a slider is slidably connected in the sliding groove (707), and one side of the slider is connected to one side of the snap-fit block (706).
4. The small drainage culvert ear wall structure according to claim 3, characterized in that: The bottom of the drainage tank (1) is connected to a limiting block (5). Both sides of the limiting block (5) are provided with snap-fit grooves (4), and the snap-fit grooves (4) are inserted into one side of the snap-fit block (706). The outer wall of the limiting block (5) is slidably connected to the inner wall of the embedding groove (702).
5. The small drainage culvert ear wall structure according to claim 4, characterized in that: The ear wall body (2) has a culvert (6) inside, and the inner wall of the culvert (6) has a movable groove (3). The movable groove (3) has a sealing device (8). The sealing device (8) includes a sealing frame (801). A plurality of fixed rods (802) are connected to one side of the sealing frame (801). A second spring (803) is sleeved on the outer wall of the fixed rod (802).
6. The small drainage culvert ear wall structure according to claim 5, characterized in that: The outer wall of the sealing frame (801) is slidably connected to the inner wall of the movable groove (3), and the two ends of the second spring (803) are respectively connected to one side of the sealing frame (801) and one side of the inner wall of the movable groove (3). The inner wall of the movable groove (3) is provided with multiple fixing grooves, and the inner wall of the fixing groove is slidably connected to the outer wall of the fixing rod (802). Both sides of the drainage tank (1) are provided with sealing grooves (9), and one side of the sealing frame (801) is inserted into the interior of one of the sealing grooves (9).