Blackboard for classroom
By designing a classroom blackboard containing adjustment components, the existing blackboard is solved and the problem of inconvenience of students to erase is not convenient for students to erase, and the situation of easy erasing and avoiding leakage is achieved to ensure the normal use of teachers.
Patent Information
- Application Number
- CN202421583768.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The existing blackboard is high, which is inconvenient for students to erase, and is prone to missed, affecting the use of subsequent teachers.
A blackboard for classrooms is designed, including the blackboard body and adjustment components. The adjustment components are composed of right-angle plates, fixed chambers, slide columns, top rings, cylinders, sliding rings, connecting chambers, limit plates, slide rods, slide plates, connecting plates and controllers. The top rings are driven to move downwards through the contraction of the cylinders, and the connecting plates drive the blackboard to move downwards as a whole. The slide plate slides steadily with the cooperation of the slide rods. The limit plates limit the moving distance of the top ring to avoid cylinder damage.
It is achieved to facilitate students to erase handwriting on the blackboard, avoid missed situations, and ensure the normal use of subsequent teachers.
Smart Images
Figure CN222756321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of blackboards, in particular to a blackboard for classrooms. Background Art
[0002] A blackboard does not specifically refer to a black board. A traditional blackboard is a flat surface that can be written on repeatedly with chalk. The surface is hard and is mostly used for teaching. Blackboards are mostly classified by color into black, dark green, white or beige. The types of blackboards are also becoming complex and diverse. Based on the surface shape, there are flat boards and curved boards. Based on the purpose, there are teaching blackboards, office whiteboards, advertising boards, and display boards. Teaching blackboards include electronic blackboards and multi-functional combination boards. Currently, blackboards are mainly used by teachers to record teaching knowledge. After class, students need to erase them with a blackboard eraser to prepare for the next class.
[0003] The existing blackboard is too high to be easily erased by students, and it is easy to miss the erased blackboard, which affects the subsequent use by teachers. Utility Model Content
[0004] The utility model aims to provide a blackboard for classrooms, aiming to solve the problem that the existing blackboard is high and inconvenient for students to erase, and is prone to missed erasures, which affects subsequent use by teachers.
[0005] To achieve the above-mentioned purpose, the utility model provides a classroom blackboard, including a blackboard body and an adjustment component, the adjustment component including a right-angle plate, a fixed bin, a sliding column, a top ring, two cylinders, a sliding ring, a connecting bin, a limit plate, a sliding rod and a sliding plate, the adjustment component is arranged on one side of the blackboard body, the right-angle plate is fixedly connected to the blackboard body and is located on one side of the blackboard body, the fixed bin is arranged on one side of the blackboard body, the fixed bin has a circular hole, the sliding ring is fixedly connected to the fixed bin and is located on the inner side wall of the circular hole, the sliding column is fixedly connected to the sliding ring and is located on the inner side wall of the sliding ring, the sliding column is fixedly connected to the right-angle plate and is located above the right-angle plate, and the top ring It is fixedly connected to the sliding column and is located above the sliding column. The two cylinders are fixedly connected to the fixed bin and are respectively located on the inner bottom wall of the fixed bin. The output ends of the two cylinders are fixedly connected to the top ring and are respectively located below the top ring. The limit plate is fixedly connected to the fixed bin and is located on the inner bottom wall of the fixed bin. The connecting bin is fixedly connected to the fixed bin and is located above the fixed bin. The sliding rod is fixedly connected to the connecting bin and is located on the inner side wall of the connecting bin. The slide plate is slidably connected to the connecting bin and is located on the inner side wall of the connecting bin. The slide plate slidably cooperates with the slide rod. The slide plate is fixedly connected to the blackboard body and is located on one side of the blackboard body.
[0006] Wherein, the adjustment component also includes a connecting plate and a controller, the controller is fixedly connected to the blackboard body and is located on one side of the blackboard body, one end of the connecting plate is fixedly connected to the connecting bin and is located on one side of the connecting bin, and the other end of the connecting plate is fixedly connected to the fixed bin and is located above the fixed bin.
[0007] The classroom blackboard further comprises a balancing component, and the balancing component is arranged on one side of the blackboard body.
[0008] Wherein, the balancing assembly includes a track plate, a slide seat, a support rod and a mounting plate, the track plate is arranged on one side of the blackboard body, the support rod is fixedly connected to the blackboard body and is located on one side of the blackboard body, the slide seat is fixedly connected to the support rod and is located at one end of the support rod, and the slide seat is slidably matched with the track plate, and the mounting plate is fixedly connected to the track plate and is located on one side of the track plate.
[0009] Wherein, the classroom blackboard also includes a mounting assembly, and the mounting assembly is arranged on the outer side wall of the fixed bin.
[0010] Wherein, the installation assembly includes an ear plate frame and an expansion bolt, the ear plate frame is fixedly connected to the fixed bin and is located on one side of the fixed bin, and the expansion bolt passes through the ear plate frame.
[0011] The utility model provides a classroom blackboard. When the cylinder is started to contract, the top ring is driven to move downward, and the connecting plate under the slide column drives the overall downward movement of the blackboard body. At this time, the slide plate slides stably in the connecting bin with the cooperation of the slide rod. The limit plate can limit the moving distance of the top ring to avoid damage to the cylinder. In this way, it is convenient for students to erase the writing on the blackboard body to avoid missing erasures, thereby ensuring normal use by subsequent teachers. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.
[0014] Figure 2 It is an overall rear view of the first embodiment of the utility model.
[0015] Figure 3 The utility model Figure 2 AA line section view.
[0016] Figure 4 It is an overall right side view of the first embodiment of the utility model.
[0017] Figure 5 The utility model Figure 4 BB line cross-sectional view.
[0018] Figure 6 It is an overall rear view of the second embodiment of the utility model.
[0019] 101-blackboard body, 102-adjustment assembly, 103-balancing assembly, 104-right angle plate, 105-fixed bin, 106-sliding column, 107-top ring, 108-cylinder, 109-sliding ring, 110-connecting bin, 111-limiting plate, 112-sliding rod, 113-sliding plate, 114-connecting plate, 115-controller, 116-track plate, 117-sliding seat, 118-support rod, 119-mounting plate, 120-round hole, 201-mounting assembly, 202-ear plate bracket, 203-expansion bolt. DETAILED DESCRIPTION
[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0021] First embodiment:
[0022] See also Figures 1 to 5 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is the overall rear view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line section view, Figure 4 It is the overall right side view of the first embodiment of the utility model. Figure 5 The utility model Figure 4 BB line cross-sectional view.
[0023] The utility model provides a blackboard for classroom, including a blackboard body 101, an adjustment component 102 and a balance component 103, the adjustment component 102 includes a right-angle plate 104, a fixed bin 105, a sliding column 106, a top ring 107, two cylinders 108, a sliding ring 109, a connecting bin 110, a limit plate 111, a sliding rod 112, a sliding plate 113 and a connecting plate 114 and a controller 115, the balance component 103 includes a track plate 116, a sliding seat 117, a support rod 118 and a mounting plate 119, and the fixed bin 105 has a circular hole 120.
[0024] According to this specific embodiment, the adjustment component 102 is arranged on one side of the blackboard body 101. The adjustment component 102 is added to facilitate students to erase the writing on the blackboard body 101, avoid missing erase, and ensure normal use by subsequent teachers.
[0025] The blackboard body 101 is made of high-quality alloy steel plate coated with a wear-resistant coating, and the thickness of the board surface is mostly 0.3mm-0.4mm. It is wear-resistant, does not fall off, does not fade, is durable, has a good writing feel, has clear handwriting, is easy to wipe and has little dust.
[0026] The right-angle plate 104 is fixedly connected to the blackboard body 101 and is located on one side of the blackboard body 101. The fixed bin 105 is arranged on one side of the blackboard body 101. The fixed bin 105 has a circular hole 120. The sliding ring 109 is fixedly connected to the fixed bin 105 and is located on the inner side wall of the circular hole 120. The sliding column 106 is fixedly connected to the sliding ring 109 and is located on the inner side wall of the sliding ring 109. The sliding column 106 is fixedly connected to the right-angle plate 104 and is The top ring 107 is located above the right-angle plate 104, and is fixedly connected to the sliding column 106 and is located above the sliding column 106. The two cylinders 108 are fixedly connected to the fixed bin 105 and are respectively located on the inner bottom wall of the fixed bin 105. The output ends of the two cylinders 108 are fixedly connected to the top ring 107 and are respectively located below the top ring 107. The limit plate 111 is fixedly connected to the fixed bin 105 and is located on the inner bottom wall of the fixed bin 105. 0 is fixedly connected to the fixed bin 105 and is located above the fixed bin 105, the sliding rod 112 is fixedly connected to the connecting bin 110 and is located on the inner side wall of the connecting bin 110, the sliding plate 113 is slidably connected to the connecting bin 110 and is located on the inner side wall of the connecting bin 110, and the sliding plate 113 is slidably matched with the sliding rod 112, the sliding plate 113 is fixedly connected to the blackboard body 101 and is located on one side of the blackboard body 101, the cylinder 108 is started to contract, driving the The top ring 107 moves downward, and the connecting plate 114 under the sliding column 106 drives the blackboard body 101 to move downward as a whole. At this time, the slide plate 113 slides stably in the connecting compartment 110 with the cooperation of the sliding rod 112. The limit plate 111 can limit the moving distance of the top ring 107 to avoid damage to the cylinder 108. In this way, it is convenient for students to erase the writing on the blackboard body 101 to avoid missing erasures and ensure normal use by subsequent teachers.
[0027] Secondly, the controller 115 is fixedly connected to the blackboard body 101 and is located on one side of the blackboard body 101. One end of the connecting plate 114 is fixedly connected to the connecting bin 110 and is located on one side of the connecting bin 110. The other end of the connecting plate 114 is fixedly connected to the fixed bin 105 and is located above the fixed bin 105. The controller 115 facilitates the staff to start and stop the air cylinder 108. The connecting plate 114 can improve the connectivity between the connecting bin 110 and the fixed bin 105, share the pressure borne by the connecting bin 110, and extend the service life of the connecting bin 110.
[0028] At the same time, the balancing component 103 is arranged on one side of the blackboard body 101. The balancing component 103 is added to improve the stability of the blackboard body 101, ensure the normal downward movement of the blackboard body 101, and avoid shaking during use.
[0029] In addition, the track plate 116 is arranged on one side of the blackboard body 101, the support rod 118 is fixedly connected to the blackboard body 101 and is located on one side of the blackboard body 101, the slide 117 is fixedly connected to the support rod 118 and is located at one end of the support rod 118, and the slide 117 is slidably matched with the track plate 116, the mounting plate 119 is fixedly connected to the track plate 116 and is located on one side of the track plate 116, the slide 117 on one side of the support rod 118 slides on the outer wall of the track plate 116, and the mounting plate 119 is used to fix the track plate 116 and can also limit the moving distance of the slide 117. In this way, the stability of the blackboard body 101 is improved, the normal downward movement of the blackboard body 101 is ensured, and shaking during use is avoided.
[0030] When using the classroom blackboard of the utility model, the cylinder 108 is started to contract, driving the top ring 107 to move downward, and the connecting plate 114 under the sliding column 106 drives the blackboard body 101 to move downward as a whole. At this time, the slide plate 113 slides stably in the connecting bin 110 with the cooperation of the sliding rod 112, and the limit plate 111 can limit the moving distance of the top ring 107 to avoid damage to the cylinder 108. The controller 115 is convenient for the staff to start and stop the cylinder 108, and the connecting plate 114 can improve the connection between the connecting bin 110 and the fixed bin 105. The connecting compartment 110 can share the pressure borne by the connecting compartment 110 and extend the service life of the connecting compartment 110. The slide 117 on one side of the support rod 118 slides on the outer wall of the track plate 116, and the mounting plate 119 is used to fix the track plate 116 and limit the moving distance of the slide 117. In this way, the stability of the blackboard body 101 is improved, and the normal downward movement of the blackboard body 101 is ensured to avoid shaking during use. In this way, it is convenient for students to erase the writing on the blackboard body 101 to avoid missing erasures and ensure normal use by subsequent teachers.
[0031] Second embodiment:
[0032] Based on the first embodiment, please refer to Figure 6 , Figure 6 It is an overall rear view of the second embodiment of the utility model.
[0033] The utility model provides a blackboard for a classroom, which also includes a mounting assembly 201. The mounting assembly 201 includes an ear plate frame 202 and an expansion bolt 203.
[0034] According to this specific embodiment, the installation component 201 is arranged on the outer side wall of the fixed bin 105. The installation component 201 is added to facilitate the staff to install the fixed bin 105 and reduce the workload of the staff.
[0035] Among them, the ear plate frame 202 is fixedly connected to the fixed bin 105 and is located on one side of the fixed bin 105. The expansion bolt 203 penetrates the ear plate frame 202. The expansion bolt 203 is used to penetrate the ear plate frame 202 to install the fixed bin 105 on the wall, so as to facilitate the staff to install the fixed bin 105 and reduce the workload of the staff.
[0036] When using a classroom blackboard of the utility model, the expansion bolts 203 are used to penetrate the ear plate frame 202 to install the fixing bin 105 on the wall, so that the staff can install the fixing bin 105 easily and reduce the workload of the staff.
[0037] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A blackboard for classroom, characterized in that: It comprises a blackboard body and an adjusting component, wherein the adjusting component is arranged on one side of the blackboard body; The adjusting assembly includes a right-angle plate, a fixed bin, a sliding column, a top ring, two cylinders, a sliding ring, a connecting bin, a limit plate, a sliding rod and a sliding plate. The right-angle plate is fixedly connected to the blackboard body and is located on one side of the blackboard body. The fixed bin is arranged on one side of the blackboard body. The fixed bin has a circular hole. The sliding ring is fixedly connected to the fixed bin and is located on the inner side wall of the circular hole. The sliding column is fixedly connected to the sliding ring and is located on the inner side wall of the sliding ring. The sliding column is fixedly connected to the right-angle plate and is located above the right-angle plate. The top ring is fixedly connected to the sliding column and is located above the sliding column. The two cylinders They are all fixedly connected to the fixed bin and are respectively located on the inner bottom wall of the fixed bin. The output ends of the two cylinders are both fixedly connected to the top ring and are respectively located below the top ring. The limit plate is fixedly connected to the fixed bin and is located on the inner bottom wall of the fixed bin. The connecting bin is fixedly connected to the fixed bin and is located above the fixed bin. The sliding rod is fixedly connected to the connecting bin and is located on the inner side wall of the connecting bin. The slide plate is slidably connected to the connecting bin and is located on the inner side wall of the connecting bin. The slide plate slidably cooperates with the slide rod. The slide plate is fixedly connected to the blackboard body and is located on one side of the blackboard body.
2. The classroom blackboard as claimed in claim 1, characterized in that: The adjustment component also includes a connecting plate and a controller, wherein the controller is fixedly connected to the blackboard body and is located on one side of the blackboard body, one end of the connecting plate is fixedly connected to the connecting bin and is located on one side of the connecting bin, and the other end of the connecting plate is fixedly connected to the fixed bin and is located above the fixed bin.
3. The classroom blackboard as claimed in claim 2, characterized in that: The classroom blackboard also includes a balancing component, and the balancing component is arranged on one side of the blackboard body.
4. The classroom blackboard as claimed in claim 3, characterized in that: The balancing assembly includes a track plate, a slide, a support rod and a mounting plate. The track plate is arranged on one side of the blackboard body. The support rod is fixedly connected to the blackboard body and is located on one side of the blackboard body. The slide is fixedly connected to the support rod and is located at one end of the support rod. The slide is slidably matched with the track plate. The mounting plate is fixedly connected to the track plate and is located on one side of the track plate.
5. The classroom blackboard as claimed in claim 4, characterized in that: The classroom blackboard also includes a mounting assembly, and the mounting assembly is arranged on the outer side wall of the fixed bin.
6. The classroom blackboard as claimed in claim 5, characterized in that: The installation assembly includes an ear plate frame and an expansion bolt. The ear plate frame is fixedly connected to the fixed bin and is located on one side of the fixed bin. The expansion bolt passes through the ear plate frame.