CN202820346U - Textbook support bracket used for writing on blackboard - Google Patents
Textbook support bracket used for writing on blackboard Download PDFInfo
- Publication number
- CN202820346U CN202820346U CN 201220530187 CN201220530187U CN202820346U CN 202820346 U CN202820346 U CN 202820346U CN 201220530187 CN201220530187 CN 201220530187 CN 201220530187 U CN201220530187 U CN 201220530187U CN 202820346 U CN202820346 U CN 202820346U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- textbook
- writing
- vertical plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a textbook support bracket used for writing on a blackboard and relates to the technical field of teaching assistance appliances. The textbook support bracket used for the writing on the blackboard comprises a reversed-U-shaped support frame, a magnetic chuck, an L-shaped support plate, a draw bar, a handle, an extrusion plate and a support spring. The textbook support bracket used for the writing on the blackboard is characterized in that the magnetic chuck is connected and fixed on the outer wall of a left vertical plate of the reversed-U-shaped support frame, a rectangular groove is formed in the lower end face of the left vertical plate, and the L-shaped support plate matched with the rectangular groove is fixed in the rectangular groove through a fastening bolt on the left vertical plate. The draw bar is installed in a central hole of a right vertical plate of the reversed-U-shaped support frame in a sliding and sleeved mode, wherein the handle is connected with the outer end of the draw bar, the extrusion plate is fixedly connected with the inner end of the draw bar, and the support spring is sleeved on the draw bar and between the extrusion plate and the right vertical plate. According to the textbook support bracket used for the writing on the blackboard, a textbook can be supported and fixed effectively, a teacher is enabled to pay more attention to write on the blackboard, and labor intensity of the teacher is relieved. Due to the fact that the support plate is capable of moving up and down, the textbook support bracket used for the writing on the blackboard can be applied to textbooks in different sizes.
Description
Technical field: the utility model relates to teaching appurtenance technical field, specifically a kind of blackboard writing book supporting bracket.
Background technology: in teaching classroom, teacher draws, writes the operations such as formula, extracts text on the blackboard of being everlasting, generally teacher is a hand-held textbook, the another hand is write with chalk, long-time so hand-held textbook is write and is easy to cause arm and shoulder to ache, time has been grown the generation that easily causes the diseases such as scapulohumeral periarthritis, affects the healthy of teacher.
Summary of the invention: the purpose of this utility model is to overcome above-mentioned deficiency, and providing a kind of can effectively support and fix textbook, is convenient to the blackboard writing book supporting bracket that teacher writes at blackboard.
The purpose of this utility model is achieved in that this blackboard writing comprises down " U " shape carriage, sucker, " L " shape gripper shoe, pumping rod, handle, stripper plate, support spring with book supporting bracket, " U " shape carriage left side vertical plate outer wall that falls is being connected and fixed sucker, the left side vertical plate lower surface is provided with rectangular recess, is fixed wtih " L " shape gripper shoe that adapts with it by the fastening bolt above the left side vertical plate in the rectangular recess; The interior slip of " U " shape carriage right side riser centre bore that falls is being set with the pumping rod that the outer end is connected with handle, and pumping rod is inner to be fixedly linked with stripper plate, and cover has support spring on the pumping rod between stripper plate and the right side riser.
During use, by sucker this device is absorbed and fixed on the blackboard, with stripper plate the textbook upper end is gripped after then textbook being placed on " L " shape gripper shoe and get final product.
Advantage of the present utility model: simple in structure, easy to use, can effectively support and fix textbook, being convenient to teacher has more energy to write at blackboard, has alleviated teacher's labour intensity; And gripper shoe can move up and down, and can adapt to the textbook of different sizes.
Description of drawings: Fig. 1 is structural representation of the present utility model.
The specific embodiment: the utility model is described in further detail below in conjunction with Fig. 1: this blackboard writing comprises down " U " shape carriage 1, sucker 2, " L " shape gripper shoe 3, pumping rod 4, handle 5, stripper plate 6, support spring 7 with book supporting bracket, " U " shape carriage 1 left side vertical plate outer wall that falls is being connected and fixed sucker 2, the left side vertical plate lower surface is provided with rectangular recess, is fixed wtih " L " shape gripper shoe 3 that adapts with it by the fastening bolt 8 above the left side vertical plate in the rectangular recess; The interior slip of " U " shape carriage 1 right side riser centre bore that falls is being set with the pumping rod 4 that the outer end is connected with handle 5, and pumping rod 4 the inners are fixedly linked with stripper plate 6, and cover has support spring 7 on the pumping rod 4 between stripper plate 6 and the right side riser.
Claims (1)
1. blackboard writing book supporting bracket, comprise down " U " shape carriage (1), sucker (2), " L " shape gripper shoe (3), pumping rod (4), handle (5), stripper plate (6), support spring (7), it is characterized in that down that " U " shape carriage (1) left side vertical plate outer wall is being connected and fixed sucker (2), the left side vertical plate lower surface is provided with rectangular recess, is fixed wtih " L " shape gripper shoe (3) that adapts with it by the fastening bolt above the left side vertical plate (8) in the rectangular recess; The interior slip of " U " shape carriage (1) right side riser centre bore that falls is being set with the pumping rod (4) that the outer end is connected with handle (5), pumping rod (4) is inner to be fixedly linked with stripper plate (6), and the upper cover of the pumping rod (4) between stripper plate (6) and the right side riser has support spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530187 CN202820346U (en) | 2012-09-30 | 2012-09-30 | Textbook support bracket used for writing on blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530187 CN202820346U (en) | 2012-09-30 | 2012-09-30 | Textbook support bracket used for writing on blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202820346U true CN202820346U (en) | 2013-03-27 |
Family
ID=47932177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530187 Expired - Fee Related CN202820346U (en) | 2012-09-30 | 2012-09-30 | Textbook support bracket used for writing on blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202820346U (en) |
-
2012
- 2012-09-30 CN CN 201220530187 patent/CN202820346U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130930 |