White board with replaceable board surface
By combining a detachable panel design with a positioning and leveling mechanism, the problem of whiteboard repair after contamination and impact is solved, achieving low-cost whiteboard maintenance and extended service life.
Patent Information
- Application Number
- CN202520432545.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing whiteboards are prone to irreparable defects when contaminated or impacted, resulting in short lifespans and high costs.
The design features a detachable panel, combined with a positioning mechanism and a leveling mechanism. The panel is fixed to the whiteboard body by a clamping part and a fastening device, and the panel can be leveled and replaced by a leveling locking part and a connecting buckle.
It enables convenient replacement of the whiteboard surface, reduces maintenance costs, extends service life, optimizes operating procedures, and reduces labor intensity.
Smart Images

Figure CN223948895U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to office supplies technical field, concretely relates to a whiteboard with replaceable board surface. BACKGROUND
[0002] Whiteboard is a common office and education tool, used for writing, drawing and displaying information. It is usually composed of a smooth white surface, which can be written with special markers and easily erased, and is widely used in offices, classrooms and other places to display information publicly. The existing whiteboard is generally made of paper honeycomb board or solid fiber board with whiteboard panel integrated into one piece. During the use of the whiteboard, the ink of the whiteboard pen will gradually penetrate into the whiteboard panel, forming stains that cannot be erased. At the same time, the whiteboard made of paper honeycomb board or solid fiber board will also produce concave defects that cannot be repaired when it is subjected to a large external impact. Such defects result in poor user experience and high use cost of the existing whiteboard. SUMMARY
[0003] The technical problem to be solved by the utility model is that the existing whiteboard is made in one piece, and when it is contaminated or impacted, it will produce defects that cannot be repaired, resulting in a short service life and high use cost of the existing whiteboard.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a whiteboard with replaceable board surface, comprising a board surface, a whiteboard body and a fixing and clamping mechanism, the board surface is detachably covered on the outer surface of the whiteboard body, the fixing and clamping mechanism comprises a positioning mechanism for fixing the board surface and at least one leveling mechanism for keeping the board surface flat, the positioning mechanism and the leveling mechanism are both installed at the edge position of the whiteboard body, a fixing space for inserting the board surface is provided between the fixed part of the positioning mechanism and the whiteboard body, the fixed part of the positioning mechanism acts after the board surface is inserted to fix the board surface, and the leveling part of the leveling mechanism acts after being limitedly connected with the board surface to level the board surface.
[0005] During operation, the detachable board surface is covered on the whiteboard body, which facilitates the replacement of the defective board surface, reduces the maintenance cost, greatly improves the service life of the whiteboard, and reduces the use cost. At the same time, the positioning mechanism and the leveling mechanism are used to keep the board surface flat, which optimizes the steps of replacing the board surface and reduces the labor intensity of the operator.
[0006] As a preferred embodiment, the positioning mechanism comprises a clamping part and a fastening device, the clamping part is arranged at the edge position of the whiteboard body and is in transmission connection with the fastening device, a fixing space for inserting the board surface is provided between the clamping part and the whiteboard body, and the clamping part moves towards the whiteboard body when the fastening device is driven and fixes the board surface on the whiteboard body.
[0007] Preferably, the clamping portion is provided with anti-skid texture on the contact surface with the board surface, and at least one retreat-stop protrusion is arranged on the edge of the whiteboard body close to the clamping portion.
[0008] Preferably, the flattening mechanism comprises a connecting portion for connecting the board surface and a flattening locking portion for flattening the board surface and fixing the connecting portion, one side of the connecting portion is connected with the board surface, the other side of the connecting portion is rotationally connected with one side of the flattening locking portion, the other side of the flattening locking portion is provided with a connecting buckle, a connecting protrusion matched with the connecting buckle is arranged on the edge of the whiteboard body away from the board surface close to the flattening locking portion, and the connecting portion drives the board surface to stretch to flatten the board surface when the flattening locking portion is buckled.
[0009] Preferably, the flattening mechanism further comprises at least one fixing bolt, at least one corresponding threaded hole is arranged on the edge of the whiteboard body away from the board surface close to the flattening locking portion, at least one through hole is formed in the flattening locking portion for the fixing bolt to pass through, and the flattening locking portion is connected with the whiteboard body in an integrated manner through the tail end of the fixing bolt after the tail end passes through the corresponding through hole and is screwed with the corresponding threaded hole.
[0010] The beneficial technical effects of the whiteboard include:
[0011] The board surface of the whiteboard can be replaced, the maintenance cost is low, the service life of the whiteboard is greatly improved, the use cost is low, the positioning mechanism and the flattening mechanism are used to keep the board surface flat, the steps of replacing the board surface are optimized, and the labor intensity of the operator is reduced.
[0012] Other features and advantages of the whiteboard will be described in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0013] The whiteboard will be further described in combination with the drawings:
[0014] Figure 1 It is a structure diagram of the whiteboard with replaceable board surface (expanded state);
[0015] Figure 2 It is a structure diagram of the whiteboard with replaceable board surface (expanded state); Figure 1
[0016] Figure 3 It is a structure diagram of the whiteboard with replaceable board surface (expanded state); Figure 2 . DETAILED DESCRIPTION
[0017] The technical solutions of the embodiments of the utility model will be explained and described below in combination with the drawings of the embodiments of the utility model. However, the following embodiments are only preferred embodiments of the utility model, and not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0018] In the following description, the orientation or position relationship of terms such as 'in', 'out', 'up', 'down', 'left', 'right' and the like appearing in the description are only for the convenience of describing the embodiments and simplifying the description, and are not indicative or suggestive of the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0019] Please refer to Figure 1 The embodiment discloses a whiteboard with replaceable board surface, comprising a board surface 1, a whiteboard body 2 and a fixing and clamping mechanism 3, which will be described in detail below in combination with the drawings.
[0020] Please refer to Figures 1 to 3 In the embodiment, the board surface 1 is detachably covered on the outer surface of the whiteboard body 2, the fixing and clamping mechanism 3 comprises a positioning mechanism 31 for fixing the board surface 1 and at least one leveling mechanism 32 for keeping the board surface 1 flat, the positioning mechanism 31 and the leveling mechanism 32 are both installed at the edge position of the whiteboard body 2, a fixing space for inserting the board surface 1 is arranged between the fixing part of the positioning mechanism 31 and the whiteboard body 2, the fixing part of the positioning mechanism 31 acts after the board surface 1 is inserted to fix the board surface 1, and the leveling part of the leveling mechanism 32 acts after being connected with the board surface 1 to level the board surface 1.
[0021] In the working process of the embodiment, the detachable board surface 1 is covered on the whiteboard body 2, which facilitates the replacement of the defective board surface 1, reduces the maintenance cost, greatly improves the service life of the whiteboard, and is low in use cost, and meanwhile, the positioning mechanism 31 and the leveling mechanism 32 are used to keep the board surface 1 flat, which optimizes the replacement steps of the board surface 1 and reduces the labor intensity of the operator.
[0022] Preferably, the positioning mechanism 31 comprises a clamping part 311 and a fastening device 312, the clamping part 311 is arranged at the edge position of the whiteboard body 2 and is in transmission connection with the fastening device 312, a fixing space for inserting the board surface 1 is arranged between the clamping part 311 and the whiteboard body 2, the clamping part 311 moves towards the whiteboard body 2 when the fastening device 312 drives and fixes the board surface 1 on the whiteboard body 2, in the specific implementation, the clamping part 311 can adopt a pressing plate, the fastening device 312 can adopt a bolt, a threaded hole is arranged on the pressing plate, and the edge position of the board surface 1 can be pressed on the whiteboard body 2 by the bolt fastening, of course, any other existing clamping device can also be adopted.
[0023] In the embodiment, the contact surface of the clamping portion 311 and the plate surface 1 also has an anti-skid texture, and the edge of the whiteboard body 2 close to the clamping portion 311 is also provided with at least one retreat-stop protrusion 21, which is tightly connected with the plate surface 1 through interference fit when the plate surface 1 is fixed, so as to further improve the fixing effect, thereby avoiding pulling out the plate surface 1 when the leveling mechanism 32 is actuated.
[0024] Preferably, the leveling mechanism 32 comprises a connecting portion 321 for connecting the plate surface 1 and a leveling locking portion 322 for leveling the plate surface 1 and fixedly connecting the connecting portion 321, one side of the connecting portion 321 is connected with the plate surface 1, in the specific implementation, the connecting portion 321 can be provided as a clamping device or can be provided as a connecting plate connected with the plate surface 1 through adhesion, the other side of the connecting portion 321 is rotationally connected with one side of the leveling locking portion 322, the other side of the leveling locking portion 322 is provided with a connecting buckle 323, and the edge of the whiteboard body 2 away from the plate surface 1 is provided with a connecting protrusion 22 close to the position of the leveling locking portion 322, which is matched with the connecting buckle 323, and the connecting portion 321 drives the plate surface 1 to stretch to level the plate surface 1 when the leveling locking portion 322 is buckled.
[0025] As a further improvement of the embodiment, the leveling mechanism 32 further comprises at least one fixing bolt, the edge of the whiteboard body 2 away from the plate surface 1 is recessed with at least one corresponding threaded hole close to the position of the leveling locking portion 322, the leveling locking portion 322 is provided with at least one through hole for the fixing bolt to pass through, and the leveling locking portion 322 is connected with the whiteboard body 2 in an integrated manner through the tail end of the fixing bolt after passing through the corresponding through hole and being screwed into the corresponding threaded hole, so as to further improve the stability of the connection, thereby making the embodiment applicable to mobile writing scenarios.
[0026] In work, one side of the edge position of the plate surface 1 is placed into the fixed space between the clamping portion 311 and the whiteboard body 2, then the clamping portion 311 is driven to move by the fastening device 312 to fix one side of the plate surface 1, then the connecting portion 321 is connected with the other side of the plate surface 1, then the leveling locking portion 322 is rotated in the direction close to the connecting protrusion 22 around the whiteboard body 2, at this time, the connecting portion 321 is driven by the leveling locking portion 322 to move in the direction away from the fixing mechanism, thereby leveling the plate surface 1 through stretching, and the leveling locking portion 322 is continuously rotated until the connecting buckle 323 is connected with the connecting protrusion 22, thereby completing the installation of the plate surface 1, when replacing the plate surface 1, the fixing mechanism is released, the connecting portion 321 is aligned with the leveling locking portion 322, the connecting buckle 323 is unlocked, then the plate surface 1 and the connecting portion 321 are separated, thereby completing the removal of the plate surface 1, in actual work, a group of fixing mechanisms and leveling mechanisms 32 can be provided, or multiple groups can be provided, and the number and position of the fixing mechanisms and the leveling mechanisms 32 are adjusted according to actual conditions.
[0027] In the embodiment, the whiteboard body 2 is made of hard material, specifically metal material or glass, etc., and the board surface 1 is made of flexible substrate attached to the whiteboard surface 1, which can be made of rubber in actual work, so as to improve the writing experience and have certain impact resistance and self-repairing function.
[0028] The beneficial technical effects of the embodiment include: the detachable board surface is covered on the whiteboard body, the board surface with defects can be conveniently replaced, the maintenance cost is low, the service life of the whiteboard is greatly improved, the use cost is low, the positioning mechanism and the leveling mechanism are used to keep the flatness of the board surface, the steps of replacing the board surface are optimized, and the labor intensity of the operator is reduced.
[0029] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the drawings and the above specific embodiment. Any modification without deviating from the function and structural principle of the present application shall be included in the scope of the claims.
Claims
1. A board surface replaceable whiteboard, characterized by: The whiteboard comprises a board surface (1), a whiteboard body (2) and a fixed clamping mechanism (3), the board surface (1) is detachably covered on the outer surface of the whiteboard body (2), the fixed clamping mechanism (3) comprises a positioning mechanism (31) for fixing the board surface (1) and at least one leveling mechanism (32) for keeping the board surface (1) flat, the positioning mechanism (31) and the leveling mechanism (32) are both installed at the edge of the whiteboard body (2), a fixed space for inserting the board surface (1) is arranged between the fixed part of the positioning mechanism (31) and the whiteboard body (2), the fixed part of the positioning mechanism (31) acts to fix the board surface (1) after the board surface (1) is inserted, and the leveling part of the leveling mechanism (32) acts to level the board surface (1) after being connected with the board surface (1).
2. The board according to claim 1, wherein: The positioning mechanism (31) comprises a clamping part (311) and a fastening device (312), the clamping part (311) is arranged at the edge of the whiteboard body (2) and is in driving connection with the fastening device (312), a fixed space for inserting the board surface (1) is arranged between the clamping part (311) and the whiteboard body (2), and the clamping part (311) moves towards the whiteboard body (2) when the fastening device (312) is driven and fixes the board surface (1) on the whiteboard body (2).
3. The board according to claim 2, wherein: The contact surface of the clamping part (311) and the board surface (1) is provided with anti-skid texture, and at least one retreat-stop protrusion (21) is arranged at the position close to the clamping part (311) of the edge of the whiteboard body (2), and the retreat-stop protrusion (21) is tightly connected with the board surface (1) by interference fit when the board surface (1) is fixed.
4. The board according to claim 1, wherein: The leveling mechanism (32) comprises a connecting part (321) for connecting the board surface (1) and a leveling locking part (322) for leveling the board surface (1) and fixing the connecting part (321), one side of the connecting part (321) is connected with the board surface (1), the other side of the connecting part (321) is in rotary connection with one side of the leveling locking part (322), the other side of the leveling locking part (322) is provided with a connecting buckle (323), and the edge of the side of the whiteboard body (2) away from the board surface (1) is provided with a connecting protrusion (22) close to the leveling locking part (322), which is in mutual cooperation with the connecting buckle (323), and the connecting part (321) drives the board surface (1) to stretch to level the board surface (1) when the leveling locking part (322) is buckled.
5. The board according to claim 4, wherein: The leveling mechanism (32) further comprises at least one fixing bolt, the edge of the side of the whiteboard body (2) away from the board surface (1) is recessed with at least one corresponding threaded hole close to the leveling locking part (322), at least one through hole is formed in the leveling locking part (322) for the fixing bolt to pass through, and the leveling locking part (322) is connected with the whiteboard body (2) in an integrated manner by screwing the tail end of the fixing bolt through the corresponding through hole and into the corresponding threaded hole.