Platform convenient to assemble and maintain
By adopting a combination design of steel inner frame and plastic profile sections, the problem of inconvenient assembly and maintenance of the podium is solved, realizing the safety and ease of maintenance of the podium, and reducing maintenance costs.
Patent Information
- Application Number
- CN202423165166.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-21
AI Technical Summary
The existing school classroom podiums are inconvenient to assemble and maintain, have high after-sales maintenance costs, and their structure is not simple enough.
A lectern designed for easy assembly and maintenance uses a combination of a steel inner frame and plastic profile sections. The profile sections are snapped into the outer circumference of the inner frame via inner clamps to ensure reliable connection. The combination of irregularly shaped parts and profile sections forms a safe arc surface, simplifying the maintenance process.
This design ensures the safety and ease of maintenance of the lectern, reduces maintenance costs, and allows ordinary maintenance personnel to quickly replace damaged profile sections on-site, thus reducing the overall cost of after-sales service.
Smart Images
Figure CN223753769U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present invention relates to school classroom supplies, namely a podium for easy assembly and maintenance. BACKGROUND
[0002] Under the premise of saving manufacturing costs, Chinese patent 202421304568.8 (classroom safety podium) provides a podium with good safety, which completely eliminates the inherent hard edges and sharp corners of traditional podiums. When a student accidentally falls and hits the podium with their body or even their head, they will touch the arc-shaped surface of the plastic material. By breaking the impact kinetic energy of the extruded profile and injection molded special-shaped parts, the purpose of significantly reducing the degree of human injury can be achieved. The injection molded special-shaped parts in 202421304568.8 are reliable and easy to hang at the proximal corner of the podium, but the assembly of the podium product assembly has not yet reached simplicity, and the replacement of the broken extruded profile is quite cumbersome, requiring the dealer to assign professional personnel to arrive at the customer's school site to solve the problem, and the comprehensive cost of after-sales maintenance service is high. SUMMARY
[0003] The present invention provides a school classroom podium that is safe to use and easy to maintain.
[0004] The present invention provides a podium for easy assembly and maintenance, which is left-right symmetrical in overall structure and includes a steel inner frame, a floor laid horizontally above the inner frame, a special-shaped part hung on the left and right end corners of the inner frame, and a profile segment butted against the vertical faces on both sides of the special-shaped part. The outer side of the special-shaped part from top to bottom is a non-developable arc-shaped surface and a vertical curved surface, and the outer side of the profile segment from top to bottom is an arc-shaped surface and a vertical flat surface. The inner side of the profile segment has a clamping opening, and the outer periphery of the inner frame is fixed with a horizontal pipe. The profile segment is hung on the outer periphery of the inner frame by clamping the outer periphery of the inner frame with the inner clamping opening.
[0005] The outer periphery of the inner frame corresponding to the clamping opening of the profile segment is a circular pipe.
[0006] The inner clamping opening of the profile segment is a double clamping opening with an upper and a lower part.
[0007] The horizontal circular pipe on the outer periphery of the inner frame is welded and fixed at a predetermined position on the outer periphery of the inner frame by means of a positioning tool, and the clamping opening position on the inner side of the profile segment corresponds to the horizontal circular pipe position on the outer periphery of the inner frame. During the clamping process of the clamping opening of the profile segment to the horizontal circular pipe on the outer periphery of the inner frame, the profile segment can be moderately and stably clamped to the outer periphery of the inner frame by means of the moderate elasticity of the local plastic profile clamping opening (expanding outward and then returning to its original position).
[0008] In the periphery of the design podium, except for the wall surface where the blackboard is located and the side vertical surface segment that may be blocked by the lower part of the lectern, the remaining segments are the outer side of the profile segment and the special-shaped part combination. From the outer edge of the horizontal floor of the top layer of the podium, the outer side curved surface of each profile segment extends downward to the vertical plane to reach the ground, and the outer side non-developable curved surface of the left and right special-shaped parts extends downward to the vertical curved surface to also reach the ground. The left and right vertical planes of each special-shaped part are connected to the end faces of the left and right profile segments.
[0009] In a school classroom, the design podium has the maximum safety during use, and only the curved surface, vertical surface, and floor horizontal surface of the design podium are touched by teachers and students on a daily basis. The daily hanging of the profile segment relative to the outer peripheral horizontal pipe of the inner frame is reliable, and the initial assembly and later maintenance of the product on site by customers in other places are fully convenient, which greatly saves social costs. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1a is a schematic diagram of the design podium, Figure 1b is Figure 1a is an intuitive diagram when the top floor is not laid, Figure 1c is an intuitive diagram of the inner frame of the design podium.
[0011] Figure 2a -b are respectively Figure 1b is an intuitive diagram of the right end partial structure of the podium at different viewing angles, Figure 2c is Figure 2a is an intuitive diagram of the steel pipe structure, Figure 2d -e are respectively Figure 2a is an intuitive diagram and an end face plan view of the medium profile segment, Figure 2f -g are respectively the hanging and disassembly processes of the profile segment relative to Figure 2c the outer side circular pipe of the steel pipe structure.
[0012] Figure 3a -c are respectively similar Figure 2a is a schematic diagram of the hanging method of the profile to the right end partial structure of the podium frame.
[0013] Figure 4 is Figure 1a is a schematic diagram of a combination state of the podium and the lectern. DETAILED DESCRIPTION
[0014] Embodiment. The ordinary classroom podium of Chinese primary and secondary schools is generally in the shape of a rectangular parallelepiped, with one side attached to the wall surface where the blackboard is located. The most reasonable position relationship between the teacher's lectern and the podium is the semi-embedded state, as shown in Figure 1b .
[0015] Referring to Figure 1b-c: the design podium includes a steel pipe built into the inner frame (2), the inner frame above the floor (1) is laid horizontally, the inner frame (2) is hung with a special-shaped part (3) at the corner of the proximal left and right end, the outer side of the upper part of the special-shaped part (3) is a non-developable curved surface (31), and the lower part is a developable curved surface (32) (see Figure 1a -b) The inner frame (2) is hung with a profile section (4) at the left end, the right end and the proximal end, and the left and right end vertical surfaces of the special-shaped part (3) are precisely connected with the end vertical surfaces of the profile section (4) (the shapes of the end surfaces are completely consistent). See Figure 2d -e: The outer side of the profile section (4) is a developable curved surface (41) and a vertical plane (42) from top to bottom, and the developable curved surface (41) and the vertical plane (42) are smoothly connected. The special-shaped part (3) is obtained by injection molding, and the profile section (4) is obtained by plastic extrusion.
[0016] See Figure 1c and Figure 2c : The inner frame (2) is welded by several steel pipes and steel arc strips (27), and the top layer structure of the inner frame (2) forms a closed loop, and the right end and the proximal intersection are connected by the upper and lower inclined pipes (26), and the top surface of the frame (including the top surface of the upper inclined pipe (26)) bears the floor (1) and the weight of the human body above it; the arc strip (27) is welded to the corner vertical pipe (25) at the front end of the frame. The inner side of the special-shaped part (3) is provided with an arc-shaped hook (33) corresponding to the steel arc strip, and the arc-shaped hook (33) is hung on the steel arc strip (27). When the podium is placed on the ground of the classroom, the special-shaped part (3) at the corner of the inner frame (1) is not subjected to any upward force (only the stepping force of people's footsteps can be obtained, see Figure 2g The arrow a and the arrow b), so the above-mentioned special-shaped part (3) is reliably positioned at the corner of the inner frame (2).
[0017] Figure 2a -b represents Figure 1c The right end of the podium, Figure 2c represents Figure 2a The steel pipe structure in the figure, the upper ends of the multiple vertical pipes (22) of the same height are welded to the bottom side of the horizontal pipe a (21), and the circular pipe b (23) and the circular pipe c (24) are respectively welded to the outer side of the multiple vertical pipes (22). It can be seen that the horizontal pipe a (21), the circular pipe b (23) and the circular pipe c (24) have been integrally connected with the multiple vertical pipes (22).
[0018] Since the horizontal pipe a (21) is a component of the top layer closed loop structure of the inner frame (1), the vertical pipe (22), the circular pipe b (23) and the circular pipe c (13), as well as the corner vertical pipe (25), the inclined pipe (26) and the steel arc strip (18), all become components of the inner frame (2), see Figure 1c .
[0019] Referring to Figure 2d -e: the profile section (4) is a combination of the upper arc edge cavity and the lower single layer body, which is conducive to reliable material discharge and stable molding of the profile in the extrusion production process; the upper and lower positions of the inner side of the profile section (4) respectively contain the upper clamp (43) and the lower clamp (44). Referring to Figure 2f -g: when the upper clamp (43) and the lower clamp (44) are aligned with the circular tube b (23) and the circular tube c (24), the upper and lower clamps (43 / 44) can be forced to be clamped on the circular tube b (23) and the circular tube c (24) respectively by means of local elasticity, that is, the profile section (4) is hung on Figure 2c the steel pipe structure, achieving Figure 1b the right end state, and the clamping process is shown in Figure 2f the direction of the middle arrow m.
[0020] Referring to Figure 1c : the left end side steel pipe structure and the right end side steel pipe structure of the inner frame (2) are symmetrical; the steel pipe structure near the inner frame (2) ( Figure 1c shown as two sections) is consistent with the structure mode of the right end side steel pipe structure of the inner frame (2) (only the length may be different). Therefore, the clamping of the above profile section (4) to the left end side steel pipe structure of the inner frame (2) and the clamping of the above profile section (4) to the steel pipe structure near the inner frame (2) are completely the same as the clamping of the above profile section (4) to the right end side steel pipe structure of the inner frame (2).
[0021] In a school classroom, the teacher and students only touch the arc surface (31 / 32) of the special-shaped part, the arc surface (41) and the vertical plane (42) of the profile section, and the horizontal plane of the floor (1) of the design podium. When the human body is tilted and a part of the body (such as the head or face) touches the podium, the damage caused by not touching the sharp corners and rigid edges will be greatly reduced.
[0022] When the profile section (4) of the design podium is accidentally damaged, the following steps are taken for repair and replacement:
[0023] ①Pull out the special-shaped part (3) at the corner of the inner frame directly upwards;
[0024] ②Hold the two ends of the damaged profile section (4) with the left and right hands respectively, and pull out the damaged profile section (4) horizontally outward, that is, by means of the local elasticity of the upper and lower clamps (44), the clamping of the circular tube b (23) and the circular tube c (24) is released (see Figure 2g indicated by arrow n);
[0025] ③Hold the new intact profile section (4) (the same length as the previously damaged profile section (4)) in the reverse of the above process, and still by means of the local elasticity of the plastic part, force it to be clamped on the circular tube b (23) and the circular tube c (24) outside the inner frame (see Figure 2fArrow m shows the intention);
[0026] ④ Re-insert the special-shaped part (3) at the corner of the inner frame.
[0027] As can be seen from above, when the profile section (4) plastic part of the podium product is damaged, it can be quickly replaced by ordinary workers in the customer's school.
[0028] It is worth noting that this design does not require the outer shell of the profile section to be too strong. It can be damaged when it is moderately impacted to absorb the impact energy when a person falls and reduce the degree of human injury. As can be seen, the random damage and replacement of the profile section (4) is a normal requirement.
[0029] See Figure 3a : If the round pipe b (23) and the round pipe c (24) are both replaced by steel elliptical pipes (28), the upper and lower clamping openings (43 / 44) on the inside of the profile section are deformed accordingly, and the application effect is basically unchanged; see Figure 3b : If the round pipe b (23) is replaced by an elliptical pipe (28) and the round pipe c (24) is replaced by a steel square pipe (29), the profile section only retains the upper clamping opening (43), and the application effect is basically unchanged; see Figure 3c : If only the round pipe b (23) and the upper clamping opening (43) are retained, the lower bottom of the profile section is reserved for a positioning plate (45), and the application effect is still basically unchanged. As can be seen, under the guidance of the same concept of the design scheme, on the premise that the application effect can still be achieved, the design can have many variants.
[0030] Figure 4 is Figure 1a A combined state diagram of the podium and the lectern (5).
Claims
1. A podium for easy assembly and maintenance, which is symmetrical in overall structure, comprising a steel inner frame, a floor laid horizontally above the inner frame, a special-shaped piece hung on the corners of the left and right ends of the inner frame, and a profiled section abutting the upright surfaces on both sides of the special-shaped piece, the outer side of the special-shaped piece from top to bottom being a non-developable curved surface and an upright curved surface, and the outer side of the profiled section from top to bottom being an arc surface and an upright flat surface, characterized in that: The section segment has a clamping opening on the inner side, and a horizontal pipe is fixed on the outer periphery of the inner frame. The section segment is hung on the pipe on the outer periphery of the inner frame by means of the clamping opening on the inner side, so as to be fixed on the outer periphery of the inner frame.
2. The easily assembled and serviced lectern of claim 1, wherein: The pipe on the outer periphery of the inner frame corresponds to the clamping opening of the section segment.
3. The easily assembled and serviced lectern of claim 1 wherein: The clamping opening on the inner side of the section segment is a double clamping opening of upper and lower positions.