Fabricated central ditch
By using the tenon and mortise connection and sealing component design of the prefabricated central drainage ditch, the problem of site constraints in cast-in-place construction was solved, achieving efficient and sealed drainage ditch construction and improving the precision and efficiency of construction.
Patent Information
- Application Number
- CN202520682713.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-11
AI Technical Summary
The existing cast-in-place construction of the central drainage ditch is affected by the construction site, resulting in excessively long construction time and insufficient precision.
The prefabricated central drainage ditch design utilizes tenons and mortises for positioning and connection, and achieves a sealed connection between the cover and the construction opening through sealing components, including a lifting mechanism for the baffle plate, slider, and bonding roller.
It improved the construction efficiency and precision of the central drainage ditch, prevented water from seeping out from the joints, shortened the construction period, and ensured the parallelism of the top slab.
Smart Images

Figure CN223881234U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to center water ditch technical field, and particularly, relate to an assembly type center water ditch. BACKGROUND
[0002] Center water ditch refers to the passageway for drainage at the bottom of the tunnel.
[0003] The existing water ditch is directly cast in situ in the pre-embedded groove, but the cast-in-situ water ditch channel has a long construction time and is easily affected by the construction site, resulting in insufficient construction refinement. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an assembly type center water ditch, which solves the problem that the center water ditch is affected by the construction site during cast-in-situ construction, causing inconvenience and insufficient refinement.
[0005] The utility model realizes the following technical scheme:
[0006] The utility model provides an assembly type center water ditch, which comprises a body, construction openings are arranged on the top of the body, a closure cover is connected to the top of the construction openings, a tenon is arranged at one end of the bottom of the body, a mortise is arranged at the end of the bottom of the body away from the tenon, embedding blocks are arranged on the two sides of the bottom of the closure cover, an embedding groove is arranged on the top of the construction openings, resisting grooves are arranged on the two sides of the middle part of the embedding groove, a plugging assembly is connected to the middle part of the resisting groove, and the plugging assembly ascends and descends along the embedding groove.
[0007] Preferably, the tenon is a trapezoidal block matched with the mortise.
[0008] Preferably, the closure cover is matched with the two body-pasted construction openings.
[0009] Preferably, the plugging assembly comprises a blocking plate, sliding blocks and a pasting roller, the blocking plate is connected to the top of the middle part of the resisting groove, the sliding blocks are arranged on the two sides of the blocking plate, and the pasting roller is connected to the bottom of the blocking plate.
[0010] Preferably, the blocking plate is matched and connected to the through opening at the top of the middle part of the resisting groove, and the top of the closure cover is provided with a groove matched with the blocking plate.
[0011] Preferably, the sliding blocks are protruding blocks arranged on the two sides of the blocking plate, and the resisting groove is provided with grooves matched with the protruding blocks on the two sides of the opening connected with the blocking plate.
[0012] Preferably, the pasting roller is a round roller rotatably connected to the top of the blocking plate.
[0013] Preferably, the embedding block further comprises a resisting block, the resisting block is a trapezoidal block connected to the grooves on the two sides of the embedding block through a spring, and the resisting block is matched with the resisting groove.
[0014] The technical scheme of the utility model has at least the following advantages and beneficial effects:
[0015] 1. The tenon and the mortise arranged in the device can better position and connect the multi-section body when splicing, and the construction opening can better construct the connection, so that the central ditch in the tunnel is built more conveniently.
[0016] 2. The device is further provided with a plugging assembly, which can further block and plug the abutment part of the two when connecting the closure cover and the construction opening, so as to prevent water from seeping out of the abutment part. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0018] Figure 2 It is a schematic diagram of the local connection and bottom view structure of the utility model.
[0019] Figure 3 It is a schematic diagram of the front view and sectional structure of the body and the closure cover of the utility model.
[0020] Figure 4 It is a schematic diagram of the enlarged structure of A in the utility model. Figure 3
[0021] Figure 5 It is a schematic diagram of the local sectional structure of the embedded groove of the utility model.
[0022] Reference signs: 1 - body, 101 - construction opening, 1011 - embedded groove, 1012 - abutting groove, 1013 - blocking plate, 1014 - sliding block, 1015 - abutting roller, 102 - tenon, 103 - mortise, 2 - closure cover, 201 - embedded block, 2011 - abutting block. DETAILED DESCRIPTION
[0023] The utility model will be described in detail below. Figures 1 to 5
[0024] An assembled center water channel, comprising a body 1, construction openings 101 are arranged on both sides of the top of the body 1, a closing cover 2 is connected to the top of the construction openings 101, a tenon 102 is arranged at one end of the bottom of the body 1, a mortise 103 is arranged at the end of the bottom of the body 1 away from the tenon 102, embedding blocks 201 are arranged on both sides of the bottom of the closing cover 2, an embedding groove 1011 is arranged on the top of the construction openings 101, abutting grooves 1012 are arranged on both sides of the middle of the embedding groove 1011, a plugging assembly is connected to the middle of the abutting grooves 1012, the plugging assembly ascends and descends along the embedding groove 1011, the tenon 102 is a trapezoidal block matched with the mortise 103, and the closing cover 2 is matched with the construction openings 101 of the two bodies 1.
[0025] Firstly, the prefabricated body 1 is placed into the pre-buried groove of the tunnel, then several bodies 1 are spliced together, meanwhile, the tenon 102 is matched with the mortise 103 to better position during splicing, and before splicing, the end face is pre-coated with cement, the bodies 1 are connected through the cement, meanwhile, the construction openings 101 are pre-arranged on the top of the spliced part of the body 1, the construction openings 101 enable the construction personnel to more conveniently observe and contact the spliced part, thereby facilitating construction connection, and then the closing cover 2 is used for plugging.
[0026] Further, the plugging assembly comprises a blocking plate 1013, sliding blocks 1014 and a fitting roller 1015, the blocking plate 1013 is connected to the middle top of the abutting grooves 1012, the sliding blocks 1014 are arranged on both sides of the blocking plate 1013, the fitting roller 1015 is connected to the bottom of the blocking plate 1013, the blocking plate 1013 is matched and connected to the through opening in the middle top of the abutting grooves 1012, the top of the closing cover 2 is provided with a groove matched with the blocking plate 1013, the sliding blocks 1014 are protrusions arranged on both sides of the blocking plate 1013, the openings on both sides of the abutting grooves 1012 connected to the blocking plate 1013 are provided with grooves matched with the protrusions, and the fitting roller 1015 is a round roller rotatably connected to the top of the blocking plate 1013, the embedding block 201 further comprises abutting blocks 2011, the abutting blocks 2011 are trapezoidal blocks connected to the grooves in both sides of the embedding block 201 through springs, and the abutting blocks 2011 are matched with the abutting grooves 1012.
[0027] Meanwhile, when the closing cover 2 is placed for plugging, the embedding blocks 201 on the bottom of the closing cover 2 are embedded into the embedding groove 1011, meanwhile, the abutting blocks 2011 on both sides are extruded and contracted due to the inclined surface of the trapezoidal shape, and then are embedded into the abutting grooves 1012 for matching, so that the connection of the closing cover 2 is limited, thereby facilitating the paving of the cement pavement on the top.
[0028] When the abutting block 2011 is embedded into the abutting groove 1012, the inclined surface of the abutting block 2011 will contact the abutting roller 1015, and the abutting roller 1015 will be rotated and extruded along the inclined surface of the abutting block 2011 through the pushing force during embedding, so as to drive the whole blocking plate 1013 to rise, so that the blocking plate 1013 will rise into the groove matched with the bottom of the closure cover 2, so that the closure cover 2 and the construction opening 101 are matched, and a sealing block is formed by the blocking plate 1013 and the embedded block 201, so as to prevent water from seeping out from the matched part, and also avoid that the closure cover 2 is connected with the construction opening 101 through cement, which leads to a long construction period and cannot keep parallel with the top plate of the body 1.
[0029] The following is the specific process of the utility model, first, the prefabricated body 1 is placed into the pre-buried groove of the tunnel, then a plurality of bodies 1 are spliced together, and at the same time, the tenon 102 and the mortise 103 are matched during splicing to better position, and before splicing, the end face is pre-coated with cement, the bodies 1 are connected through the cement, and the construction opening 101 is pre-arranged on the top of the body 1, so that the construction personnel can more conveniently observe and contact the splicing part, so as to facilitate construction connection, and then the closure cover 2 is used to block it, and at the same time, when the closure cover 2 is placed for blocking, the embedded block 201 at the bottom of the closure cover 2 is embedded into the embedded groove 1011, and at the same time, the two abutting blocks 2011 will be extruded and contracted due to the trapezoidal inclined surface, and then embedded into the abutting groove 1012 for cooperation, so that the connection of the closure cover 2 is limited, so as to facilitate the paving of cement pavement on the top, and when the abutting block 2011 is embedded into the abutting groove 1012, the inclined surface of the abutting block 2011 will contact the abutting roller 1015, and the abutting roller 1015 will be rotated and extruded along the inclined surface of the abutting block 2011 through the pushing force during embedding, so as to drive the whole blocking plate 1013 to rise, so that the blocking plate 1013 will rise into the groove matched with the bottom of the closure cover 2, so that the closure cover 2 and the construction opening 101 are matched, and a sealing block is formed by the blocking plate 1013 and the embedded block 201, so as to prevent water from seeping out from the matched part, and also avoid that the closure cover 2 is connected with the construction opening 101 through cement, which leads to a long construction period and cannot keep parallel with the top plate of the body 1.
Claims
1. A modular center channel comprising a body (1), characterized in that, The body (1) is provided with construction openings (101) on both sides of the top, the construction openings (101) are connected with closed covers (2) on the top, one end of the bottom of the body (1) is provided with a tenon (102), the other end of the bottom of the body (1) is provided with a mortise (103) away from the tenon (102), the bottom of the closed cover (2) is provided with embedded blocks (201) on both sides, the top of the construction opening (101) is provided with an embedded groove (1011), the embedded groove (1011) is provided with abutting grooves (1012) on both sides of the middle, the abutting grooves (1012) are connected with blocking assemblies in the middle, and the blocking assemblies ascend and descend along the embedded groove (1011).
2. The fabricated center gutter according to claim 1, wherein, The tenon (102) is a trapezoidal block matched with the mortise (103).
3. The fabricated center gutter according to claim 1, wherein, The closed cover (2) is matched with the construction openings (101) of the two bodies (1).
4. The fabricated center gutter according to claim 1, wherein, The blocking assembly comprises a blocking plate (1013), a sliding block (1014) and a fitting roller (1015), the blocking plate (1013) is connected to the middle top of the abutting groove (1012), the sliding block (1014) is arranged on both sides of the blocking plate (1013), and the fitting roller (1015) is connected to the bottom of the blocking plate (1013).
5. The fabricated center gutter according to claim 4, wherein, The blocking plate (1013) is matched and connected to the through opening in the middle top of the abutting groove (1012), and the top of the closed cover (2) is provided with a groove matched with the blocking plate (1013).
6. The fabricated center gutter according to claim 4, wherein, The sliding block (1014) is a convex block arranged on both sides of the blocking plate (1013), and the abutting groove (1012) is provided with grooves matched with the convex blocks on both sides of the opening connected with the blocking plate (1013).
7. The fabricated center gutter according to claim 4, wherein, The fitting roller (1015) is a round roller rotatably connected to the top of the blocking plate (1013).
8. The fabricated center gutter according to claim 1, wherein, The embedded block (201) further comprises an abutting block (2011), the abutting block (2011) is a trapezoidal block connected to the grooves on both sides of the embedded block (201) through a spring, and the abutting block (2011) is matched with the abutting groove (1012).