CN210234473U - Chalk clamping device is used in teaching of mr of Japanese university - Google Patents
Chalk clamping device is used in teaching of mr of Japanese university Download PDFInfo
- Publication number
- CN210234473U CN210234473U CN201921132214.9U CN201921132214U CN210234473U CN 210234473 U CN210234473 U CN 210234473U CN 201921132214 U CN201921132214 U CN 201921132214U CN 210234473 U CN210234473 U CN 210234473U
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- China
- Prior art keywords
- centre gripping
- chalk
- clamping
- push rod
- base
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- 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.)
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- 238000010030 laminating Methods 0.000 claims abstract description 14
- 244000309464 bull Species 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a chalk clamping device is used in teaching of japanese university mr, including centre gripping body, push rod and press the board, the laminating of the internal surface of centre gripping body has the centre gripping base, and the inside of centre gripping base is provided with the chalk body, the lower terminal surface laminating of centre gripping base has the push rod, and the right surface swing joint of centre gripping base has the centre gripping bottom plate, the right surface of centre gripping bottom plate is connected with the centre gripping push rod, the laminating of the upper left side of chalk body has the backup pad, and the laminating of the upper right side of chalk body has the centre gripping upper plate, press the right surface that the board is fixed in the centre gripping upper plate, and the lower port of centre gripping upper plate is connected with the pivot. This japanese university teacher teaching is with chalk clamping device centre gripping base through with the centre gripping body internal surface between the spout slip realize sliding around the centre gripping body is inside, and then make the device can adapt to the different chalk of length, improve the ability of utilizing to chalk end, reduce extravagantly, avoid chalk and teacher hand direct contact.
Description
Technical Field
The utility model relates to a teaching tool technical field specifically is a chalk clamping device is used in teaching of mr of Japanese university.
Background
The chalk is a tool widely used in daily life, is generally used for writing on a blackboard, is white, and is classified into various colors for more convenient teaching, so that the chalk is convenient to specially mark.
At present, a chalk clamping device is not popularized in use, a teacher holds the hand of a chalk for a long time to cause serious dust pollution, the chalk is long and easy to break, and a large amount of waste is caused.
Disclosure of Invention
An object of the utility model is to provide a chalk clamping device is used in teaching of mr of japanese university to solve among the above-mentioned background art at present, chalk clamping device uses and does not popularize, and the teacher grips the chalk hand for a long time and causes comparatively serious dust pollution, and the chalk is longer moreover, easily breaks, causes a large amount of extravagant scheduling problems.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a japanese university teacher's teaching uses chalk clamping device, includes centre gripping body, push rod and presses the board, the laminating of the internal surface of centre gripping body has the centre gripping base, and the inside of centre gripping base is provided with the chalk body, the lower terminal surface laminating of centre gripping base has the push rod, and the right surface swing joint of centre gripping base has the centre gripping bottom plate, the right surface of centre gripping bottom plate is connected with the centre gripping push rod, the laminating of the upper left side of chalk body has the backup pad, and the laminating of the upper right side of chalk body has the centre gripping upper plate, press the right surface that the board is fixed in the centre gripping upper plate, and the lower port of centre gripping upper plate is connected with.
Preferably, the shape structure of the clamping body is a cylindrical structure, and a sliding structure is formed between the clamping base and the inner surface of the clamping body.
Preferably, the connection mode between the push rod and the lower end face of the clamping body is threaded connection, and the connection mode between the upper port of the push rod and the lower end face of the clamping base is fixed connection.
Preferably, a sliding structure is formed between the clamping bottom plate and the inner surface of the clamping base, a moving plate is connected to the outer surface of the clamping push rod, and a rotating rod is connected to the right end opening of the clamping push rod.
Preferably, a sliding structure is formed between the side surfaces of the moving plate and the clamping body, and the moving plate is connected with the clamping push rod in a threaded manner.
Preferably, the shape structures of the supporting plate and the clamping upper plate are arc-shaped structures, and the rotating shaft forms a rotating structure through the clamping upper plate and the clamping body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the clamping base slides back and forth in the clamping body through sliding, so that the device can adapt to chalks with different lengths, the utilization capacity of chalk ends is improved, waste is reduced, the push rod is manually pushed to realize threaded back and forth movement, the structure is simple, operation is easy, direct contact between the chalks and the hands of a teacher is avoided, and pollution of dust to the hands of the teacher is reduced;
2. the chalk bodies with different radiuses are clamped by the arranged clamping bottom, the rotating rod connected with the clamping bottom plate rotates the clamping push rod to move in a threaded mode, the device is reasonable in design structure and convenient and fast to use, the applicability of the device is improved, the movable plate provides a condition for pushing the chalk bodies to move back and forth through sliding between the movable plate and the clamping body, and the chalk bodies are convenient to use;
3. the centre gripping upper plate that sets up realizes the centre gripping to the chalk body, avoids because the longer fracture that causes of chalk in the use, and presses the operation of the teacher to the device of being convenient for according to the board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the side view structure of the holding push rod of the present invention.
In the figure: 1. a clamping body; 2. clamping the base; 3. clamping the bottom plate; 4. a chalk body; 5. a push rod; 6. clamping the push rod; 7. moving the plate; 8. a rotating rod; 9. a support plate; 10. a rotating shaft; 11. pressing a plate; 12. the upper plate is clamped.
Detailed Description
Referring to fig. 1-3, the present invention provides a technical solution: a chalk clamping device for Japanese university teacher teaching comprises a clamping body 1, a push rod 5 and a pressing plate 11, wherein a clamping base 2 is attached to the inner surface of the clamping body 1, a chalk body 4 is arranged inside the clamping base 2, the push rod 5 is attached to the lower end face of the clamping base 2, a clamping bottom plate 3 is movably connected to the right surface of the clamping base 2, a clamping push rod 6 is connected to the right surface of the clamping bottom plate 3, a supporting plate 9 is attached to the left upper side of the chalk body 4, a clamping upper plate 12 is attached to the right upper side of the chalk body 4, the pressing plate 11 is fixed to the right surface of the clamping upper plate 12, a rotating shaft 10 is connected to the lower port of the clamping upper plate 12, the clamping body 1 is cylindrical in appearance structure, a sliding structure is formed between the clamping base 2 and the inner surface of the clamping body 1, and the clamping base 2 slides back and forth inside the clamping body 1 through sliding between the sliding grooves in the inner surface of the clamping body 1, the device can be suitable for chalks with different lengths, the utilization capacity of the chalk heads is improved, and waste is reduced;
the connecting mode between the push rod 5 and the lower end face of the clamping body 1 is threaded connection, the connecting mode between the upper end opening of the push rod 5 and the lower end face of the clamping base 2 is fixed connection, the function of the connecting mode is that the arranged push rod 5 realizes threaded front and back movement through manual pushing, the structure is simple, the operation is easy, the direct contact between chalk and the hands of teachers is avoided, the pollution of dust to the hands of teachers is reduced, a sliding structure is formed between the clamping bottom plate 3 and the inner surface of the clamping base 2, the outer surface of the clamping push rod 6 is connected with a movable plate 7, the right end opening of the clamping push rod 6 is connected with a rotating rod 8, the function of the arranged clamping bottom plate 3 realizes clamping of the chalk bodies 4 with different radiuses through sliding between the clamping bottom plate 3 and the inner surface of the clamping base 2, the rotating rod 8 connected with the clamping bottom, the applicability of the device is improved;
the chalk clamping device is characterized in that a sliding structure is formed between the side surfaces of the moving plate 7 and the clamping body 1, the connecting mode between the moving plate 7 and the clamping push rod 6 is threaded connection, the moving plate 7 is arranged to slide between the moving plate and the clamping body 1 to provide a condition for pushing the chalk body 4 to move back and forth, the chalk clamping device is convenient to use, the appearance structures of the supporting plate 9 and the clamping upper plate 12 are arc-shaped structures, the rotating shaft 10 is arranged to form a rotating structure between the clamping upper plate 12 and the clamping body 1 through the rotating shaft 10, the clamping upper plate 12 is arranged to be attached to the side surfaces of the chalk body 4 through rotation of the rotating shaft 10, the supporting plate 9 and the clamping upper plate 12 are further used for clamping the chalk body 4, breakage caused by long chalk in the using process is avoided, and the pressing plate 11 is pressed to facilitate operation of a teacher.
The working principle is as follows: for the chalk clamping device, the device mainly comprises a clamping body 1, a push rod 5 and a pressing plate 11, when the device is used, firstly, a chalk body 4 is vertically inserted into the cylindrical clamping body 1, the lower end face of the chalk body 4 is attached to the inside of a clamping base 2, then a rotating rod 8 can be rotated, the rotating rod 8 drives a clamping push rod 6 to rotate, the clamping push rod 6 is further connected with a moving plate 7 through threads to push a clamping bottom plate 3 to approach the chalk body 4, and finally the clamping bottom plate 3 is tightly attached to the inside of the clamping base 2;
then, the push rod 5 can be screwed, so that the push rod 5 pushes the clamping base 2 to move forwards through threaded connection between the push rod 5 and the clamping body 1, and the chalk body 4 wrapped by the clamping base 2 is exposed out of a proper length;
then can anticlockwise rotation pivot 10 for the chalk body 4 right surface of the arc terminal surface laminating of centre gripping upper plate 12, and backup pad 9 laminating is at the left surface of chalk body 4, then the finger is pressed and is pressed board 11, when writing, utilize the pressing that presses board 11 to realize the fixed of chalk body 4 position, just so realized avoiding hand direct contact chalk, and can carry out abundant utilization to the chalk, and can not cause the condition that the chalk breaks easily, this is exactly the device's use flow and theory of operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a chalk clamping device is used in teaching of japanese university mr, includes centre gripping body (1), push rod (5) and presses board (11), its characterized in that: the interior surface laminating of centre gripping body (1) has centre gripping base (2), and the inside of centre gripping base (2) is provided with chalk body (4), the lower terminal surface laminating of centre gripping base (2) has push rod (5), and the right side surface swing joint of centre gripping base (2) has centre gripping bottom plate (3), the right side surface of centre gripping bottom plate (3) is connected with centre gripping push rod (6), the upper left side laminating of chalk body (4) has backup pad (9), and the upper right side laminating of chalk body (4) has centre gripping upper plate (12), press board (11) to be fixed in the right surface of centre gripping upper plate (12), and the lower port of centre gripping upper plate (12) is connected with pivot (10).
2. The chalk holding device for teaching japanese university teacher according to claim 1, characterized in that: the clamping body (1) is cylindrical in shape, and a sliding structure is formed between the clamping base (2) and the inner surface of the clamping body (1).
3. The chalk holding device for teaching japanese university teacher according to claim 1, characterized in that: the connection mode between the push rod (5) and the lower end face of the clamping body (1) is threaded connection, and the connection mode between the upper end opening of the push rod (5) and the lower end face of the clamping base (2) is fixed connection.
4. The chalk holding device for teaching japanese university teacher according to claim 1, characterized in that: constitute sliding construction between the internal surface of centre gripping bottom plate (3) and centre gripping base (2), the surface of centre gripping push rod (6) is connected with movable plate (7), and the right-hand member mouth of centre gripping push rod (6) is connected with bull stick (8).
5. The chalk holding device for teaching Japanese university teacher according to claim 4, characterized in that: a sliding structure is formed between the moving plate (7) and the side surface of the clamping body (1), and the moving plate (7) is in threaded connection with the clamping push rod (6).
6. The chalk holding device for teaching japanese university teacher according to claim 1, characterized in that: the appearance structures of the supporting plate (9) and the clamping upper plate (12) are arc-shaped structures, and the rotating shaft (10) forms a rotating structure with the clamping body (1) through the clamping upper plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132214.9U CN210234473U (en) | 2019-07-18 | 2019-07-18 | Chalk clamping device is used in teaching of mr of Japanese university |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132214.9U CN210234473U (en) | 2019-07-18 | 2019-07-18 | Chalk clamping device is used in teaching of mr of Japanese university |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210234473U true CN210234473U (en) | 2020-04-03 |
Family
ID=69991793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921132214.9U Expired - Fee Related CN210234473U (en) | 2019-07-18 | 2019-07-18 | Chalk clamping device is used in teaching of mr of Japanese university |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210234473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688388A (en) * | 2020-05-20 | 2020-09-22 | 南京掌学在线信息科技有限公司 | Vertical surface chalk blackboard writing auxiliary writing device and method thereof |
-
2019
- 2019-07-18 CN CN201921132214.9U patent/CN210234473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688388A (en) * | 2020-05-20 | 2020-09-22 | 南京掌学在线信息科技有限公司 | Vertical surface chalk blackboard writing auxiliary writing device and method thereof |
| CN111688388B (en) * | 2020-05-20 | 2021-04-16 | 南京掌学在线信息科技有限公司 | Vertical surface chalk blackboard writing auxiliary writing device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |