Frame type concrete cover plate
By setting up installation holes and abutment structures in the inner and outer frames of the frame-type concrete cover plate, the rapid fixed connection of steel bars is achieved, the problem of inefficient welding methods is solved, and the production efficiency is improved.
Patent Information
- Application Number
- CN202421337156.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing concrete manhole cover plates need to be welded one by one during the fixing of steel bars, resulting in low production efficiency.
A frame-type concrete cover plate is designed. By setting installation holes on the left and right walls and front and rear walls of the inner frame, the two ends of the steel bars are inserted into these holes, and the inner wall of the outer frame is connected to the ends of the steel bars, thereby realizing the fixed connection between the steel bars and the frame, avoiding the welding step.
This method improves the fixing efficiency of steel bars, reduces production time, and significantly improves the overall assembly efficiency.
Smart Images

Figure CN222632338U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a frame type concrete cover plate. Background Art
[0002] Prior art, such as Chinese utility model patent document with publication number CN220927952U, discloses a concrete manhole cover, including a manhole ring, in which a manhole cover is arranged, and the manhole cover is composed of a metal frame and concrete filling.
[0003] Based on the above, in the prior art, in order to ensure the strength of the concrete manhole cover, steel bars are implanted in the metal frame to enhance the overall strength. The existing steel bars are fixed in the metal frame by welding at both ends. The problem with this welding and fixing method is that each steel bar needs to be welded one by one, and the production efficiency is low, which needs further improvement. Utility Model Content
[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a frame type concrete cover plate which is free of welding and improves assembly efficiency.
[0005] A frame-type concrete cover plate designed for this purpose includes a frame assembly, a steel bar assembly is arranged in the frame assembly, the steel bar assembly consists of a plurality of first steel bars arranged along a first direction and a plurality of second steel bars arranged along a second direction, the frame assembly consists of an inner frame and an outer frame, first mounting holes are arranged along the first direction on the left and right walls of the inner frame, two ends of the first steel bars are inserted into the first mounting holes, second mounting holes are arranged along the second direction on the front and rear walls of the inner frame, two ends of the second steel bars are inserted into the second mounting holes, the outer frame is installed on the outer side of the inner frame, the inner wall of the outer frame is fitted with the outer wall of the inner frame, both ends of the first steel bar and both ends of the second steel bar are abutted against the inner wall of the outer frame, and the inner frame and the outer frame are fixedly connected.
[0006] Preferably, a first limit plate bent inwardly is provided on the bottom surface of the inner frame, and a second limit plate bent inwardly is provided on the bottom surface of the outer frame, and the upper end surface of the second limit plate is in contact with the upper end surface of the first limit plate;
[0007] The frame assembly is also provided with a locking structure for locking the inner frame or the outer frame, and the locking structure is used to restrict the relative up and down movement of the inner frame and the outer frame.
[0008] Preferably, the locking structure comprises a plurality of first bent flanges arranged in an array on the upper surface of the outer frame, wherein the first bent flanges are folded inwardly to abut against the upper surface and the inner wall of the inner frame to form a limited locking.
[0009] Preferably, the locking structure comprises a plurality of second bent flanges arranged in an array on the upper surface of the inner frame, and the second bent flanges are folded outwards to abut against the upper surface and the outer side wall of the outer frame to form a limited locking.
[0010] Compared with the prior art, the utility model comprises an inner frame and an outer frame, the left and right walls of the inner frame are provided with first mounting holes arranged along a first direction, the two ends of the first steel bar are inserted into the first mounting holes, the front and rear walls of the inner frame are provided with second mounting holes arranged along a second direction, the two ends of the second steel bar are inserted into the second mounting holes, the outer frame is installed on the outer side of the inner frame, the inner wall of the outer frame is fitted with the outer wall of the inner frame, the two ends of the first steel bar and the two ends of the second steel bar are both in contact with the inner wall of the outer frame, and the inner frame and the outer frame are fixedly connected. During assembly, the first steel bar and the second steel bar are respectively inserted into the first mounting hole and the second mounting hole, and when all the steel bars are inserted into the mounting holes. Then the outer frame is sheathed on the outer side of the inner frame, and the left and right or front and rear positions of the steel bars are limited by the outer frame, so that the steel bars are kept in the mounting holes, and the steel bars are connected to the frame as a whole. After the outer frame is assembled, concrete can be poured. Compared with the prior welding method, it has the advantage of improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the exploded structure of the utility model. DETAILED DESCRIPTION
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0014] See also Figure 1 and Figure 2A frame type concrete cover plate comprises a frame assembly 10, wherein a steel bar assembly 20 is arranged in the frame assembly 10, wherein the steel bar assembly 20 is composed of a plurality of first steel bars 210 arranged along a first direction and a plurality of second steel bars 220 arranged along a second direction, wherein the frame assembly 10 is composed of an inner frame 110 and an outer frame 120, wherein first mounting holes 112 are arranged along the first direction on the left and right walls of the inner frame 110, and both ends of the first steel bars 210 are inserted into the first mounting holes 112, and second mounting holes 113 are arranged along the second direction on the front and rear walls of the inner frame 110, and both ends of the second steel bars 220 are inserted into the second mounting holes 113, wherein the outer frame 120 is installed on the outer side of the inner frame 110, wherein the inner wall of the outer frame 120 is in contact with the outer wall of the inner frame 110, and both ends of the first steel bars 210 and the second steel bars 220 are in contact with the inner wall of the outer frame 120, and the inner frame 110 and the outer frame 120 are fixedly connected.
[0015] During assembly, the utility model is used to insert the first steel bar and the second steel bar into the first mounting hole and the second mounting hole respectively. When all the steel bars are inserted into the mounting holes, the outer frame is then placed on the outer side of the inner frame. The outer frame is used to limit the left and right or front and back positions of the steel bars, so that the steel bars are kept in the mounting holes, and the steel bars and the frame are connected as a whole. After the outer frame is assembled, concrete can be poured. Compared with the existing welding method, the utility model has the advantage of improving production efficiency.
[0016] See also Figure 2 A first limiting plate 111 bent inwardly is provided on the bottom surface of the inner frame 110, and a second limiting plate 121 bent inwardly is provided on the bottom surface of the outer frame 120, and the upper end surface of the second limiting plate 121 is in contact with the upper end surface of the first limiting plate 111; the frame assembly 10 is also provided with a locking structure 100 for locking the inner frame 110 or the outer frame 120, and the locking structure 100 is used to constrain the relative up and down movement of the inner frame 110 and the outer frame 120.
[0017] When the inner frame 110 and the outer frame 120 are assembled, the outer wall of the inner frame 110 fits with the inner wall of the outer frame 120. Under this fitting constraint, the outer frame 120 can only move up and down relative to the inner frame 110.
[0018] When the upper end surface of the second limiting plate 121 fits with the upper end surface of the first limiting plate 111 and the locking structure 100 acts, the locking structure 100 can lock the outer frame 120 and the inner frame 110 so that the two cannot move up and down relative to each other.
[0019] See also Figure 1and Figure 2 The locking structure 100 includes a plurality of first bending flanges 130 arranged on the upper surface of the outer frame 120. The first bending flanges 130 are folded inwardly to adhere to the upper surface and the inner wall of the inner frame 110 to form a limited locking.
[0020] The upper end surface of the second limiting plate 121 is in contact with the upper end surface of the first limiting plate 111 and the first bending flange 130 can constrain the outer frame 120 and the inner frame 110 so that they cannot move up and down relative to each other.
[0021] See also Figure 1 and Figure 2 The locking structure 100 includes a plurality of second bent flanges 140 arranged on the upper surface of the inner frame 110. The second bent flanges 140 are folded outward to adhere to the upper surface and the outer wall of the outer frame 120 to form a limited locking.
[0022] The upper end surface of the second limiting plate 121 is in contact with the upper end surface of the first limiting plate 111 and the second bending flange 140 can constrain the outer frame 120 and the inner frame 110 so that they cannot move up and down relative to each other.
[0023] After the outer frame 120 and the inner frame 110 are assembled, the first bending flange 130 and the second bending flange 140 are manually bent using tools to bend them to a folded position to achieve locking.
[0024] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like 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 referred device or element 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. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A frame type concrete cover plate, comprising a frame assembly (10), wherein a steel bar assembly (20) is arranged in the frame assembly (10), wherein the steel bar assembly (20) is composed of a plurality of first steel bars (210) arranged along a first direction and a plurality of second steel bars (220) arranged along a second direction, wherein: The frame assembly (10) is composed of an inner frame (110) and an outer frame (120); first mounting holes (112) are arranged along a first direction on the left and right walls of the inner frame (110); two ends of the first steel bar (210) are inserted into the first mounting holes (112); second mounting holes (113) are arranged along a second direction on the front and rear walls of the inner frame (110); two ends of the second steel bar (220) are inserted into the second mounting holes (113); the outer frame (120) is installed on the outer side of the inner frame (110); the inner wall of the outer frame (120) is in contact with the outer wall of the inner frame (110); the two ends of the first steel bar (210) and the two ends of the second steel bar (220) are in contact with the inner wall of the outer frame (120); and the inner frame (110) and the outer frame (120) are fixedly connected.
2. A frame type concrete cover plate according to claim 1, characterized in that: A first limiting plate (111) bent inwardly is arranged on the bottom surface of the inner frame (110), and a second limiting plate (121) bent inwardly is arranged on the bottom surface of the outer frame (120), and the upper end surface of the second limiting plate (121) is in contact with the upper end surface of the first limiting plate (111); The frame assembly (10) is also provided with a locking structure (100) for locking the inner frame (110) or the outer frame (120), and the locking structure (100) is used to restrict the relative up and down movement of the inner frame (110) and the outer frame (120).
3. A frame type concrete cover plate according to claim 2, characterized in that: The locking structure (100) comprises a plurality of first bent flanges (130) arranged in an array on the upper surface of the outer frame (120); the first bent flanges (130) are folded inwardly to abut against the upper surface and inner wall of the inner frame (110) to form a limited locking.
4. The frame type concrete cover plate according to claim 2, characterized in that: The locking structure (100) comprises a plurality of second bent flanges (140) arranged in an array on the upper surface of the inner frame (110); the second bent flanges (140) are folded outwards to abut against the upper surface and the outer side wall of the outer frame (120) to form a limiting lock.
Citation Information
Patent Citations
Concrete well lid
CN220927952U