CN204526558U - Magnetic force scriber for English drawing - Google Patents
Magnetic force scriber for English drawing Download PDFInfo
- Publication number
- CN204526558U CN204526558U CN201520241503.8U CN201520241503U CN204526558U CN 204526558 U CN204526558 U CN 204526558U CN 201520241503 U CN201520241503 U CN 201520241503U CN 204526558 U CN204526558 U CN 204526558U
- Authority
- CN
- China
- Prior art keywords
- magnetic force
- scriber
- clamp
- roller
- clamper
- 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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Abstract
The utility model relates to a kind of magnetic force scriber for English drawing.Mainly solve the problem of the existing scriber line drawing poor accuracy difficulty operation existed in prior art.It is characterized in that: described frame body is made up of upper side frame (2), lower frame side (3) and four firm guide rails (4); Be respectively equipped with the four groups of magnetic force rollers (5) be mutually symmetrical outside upper side frame and the firm guide rail place of lower frame side four, the roller (5) be located on upper side frame is connected respectively by same power transmission shaft (6) with the symmetrical roller (5) be located in lower frame side; Described firm guide rail (4) upper end longitudinally has chute (9), is equipped with clamp (10) and is slidably connected with it in chute; Described four clamps (10) hinged four clampers (11) respectively; Magnetite (14) is provided with in the roller tire (15) of described magnetic force roller (5).This magnetic force scriber for English drawing, stability is high, and accuracy is high, is convenient to be adsorbed on one-handed performance on blackboard.
Description
Technical field
The utility model relates to a kind of English teaching instrument in teaching equipment field, particularly a kind of magnetic force scriber for English drawing.
Background technology
At the classroom teaching initial stage, the english writing that student forms specification is very important, and the English word just needing to utilize four rulings here specification student writes standard, so teacher draws four rulings to demonstrate and writes standard word on teaching classroom.But in the four ruling processes of drawing, the drawbacks such as poor accuracy, error are large, operating difficulties that current English four ruling scriber all exists, there will be that line drawing is unintelligible, line is straight, line-spacing is uneven, draw the phenomenons such as length is short.Current main flow scriber need be exerted pressure so a hand has been difficult to because own wt operates in addition when ruling, and which not only adds operation easier and wastes instructional blocks of time.
Summary of the invention
Technical problem to be solved in the utility model is the problem overcoming the existing scriber line drawing poor accuracy difficulty operation existed in background technology, and a kind of magnetic force scriber for English drawing is provided, this magnetic force scriber for English drawing, stability is high, accuracy is high, is convenient to be adsorbed on one-handed performance on blackboard.
The invention for solving the technical problem reaches by following technical scheme: this magnetic force scriber for English drawing, comprises rectangle fixed mount body, and described frame body is made up of four firm guide rails fixing between upper side frame, lower frame side and upper side frame, lower frame side; Be respectively equipped with the four groups of magnetic force rollers be mutually symmetrical outside the upper side frame of frame body and the firm guide rail place of lower frame side four, the roller be located on upper side frame is connected respectively by same power transmission shaft with the symmetrical roller be located in lower frame side; Described firm guide rail upper end longitudinally has chute, is equipped with clamp and is slidably connected with it in chute; Described four clamps hinged four clampers respectively, by handle brackets fixing operation handle on the firm guide rail in described centre two; Magnetite is provided with in the roller tire of described magnetic force roller.
The utility model can have following beneficial effect compared with above-mentioned background technology: this magnetic force scriber for English drawing is owing to adopting said structure, one hand is only needed to complete during magnetic scriber operation, automatic absorbing is on steel blackboard, simple to operate and time saving and energy saving, not only precision is high for magnetic scriber, good stability, line length arbitrarily can regulate according to the needs of user, and stroke can complete, and line drawing is accurately clear, chalk not frangibility during use; Effectively solve the deficiency existing for existing scriber, in English teaching, improve quality of instruction largely and take full advantage of time in classroom.
accompanying drawing illustrates:
Accompanying drawing 1 is top view of the present utility model;
Accompanying drawing 2 is front views of the present utility model;
Accompanying drawing 3 is the syndeton schematic diagrames in the firm guide rail of the utility model between clamp and clamper.
In figure: 1-slipmat, 2-upper side frame, frame side under 3-, the firm guide rail of 4-, 5-magnetic force roller, 6-power transmission shaft, 7-operating handle, 8-handle brackets, 9-chute, 10-clamp, 11-clamper, 12-spring, 13-dop, 14-magnetite, 15-tire.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in accompanying drawing 1, Fig. 2, Fig. 3, this magnetic force scriber for English drawing, comprise rectangle fixed mount body, described frame body is made up of four firm guide rails 4 fixing between upper side frame 2, lower frame side 3 and upper side frame 2, lower frame side 3, by handle brackets 8 fixing operation handle 7 on the firm guide rail 4 in described centre two; The four groups of magnetic force rollers 5 be mutually symmetrical are respectively equipped with outside the upper side frame 2 of frame body and firm guide rail 4 place of lower frame side 3 four, namely upper side frame 2 is established four magnetic force rollers 5, lower frame side 3 is established four magnetic force rollers 5, four magnetic force rollers 5 of upper side frame 2 are corresponding with four magnetic force rollers 5 in lower frame side 3, magnetic force roller 5 structure and wheel similar; The roller 5 be located on upper side frame is connected respectively by same power transmission shaft 6 with the symmetrical roller be located in lower frame side, power transmission shaft 6 drives one group of magnetic force roller 5 to move at the uniform velocity simultaneously, thus overall can not departing from ensures that four rulings marked are straight in use to make device; Magnetite 14 is provided with in the roller tire 15 of described magnetic force roller; Described firm guide rail 4 upper end longitudinally has chute 9, and be equipped with clamp 10 in chute 9 and be slidably connected with it, described chute 9 be inverted T shape groove, and clamp 10 to be arranged in chute be also partly inverted T shape structure, be provided with colloid slipmat 1 at inverted T shape structure bottom face; Described four clamps 10 hinged four clampers 11 respectively, be provided with two springs 12 between described clamp 10 and clamper 11, one of them spring 12 is located at corresponding clamp 10 upper surface, and one end connects clamp 10, and the other end connects clamper 11; Another is located at clamp lower surface, one end connects clamp 10, and the other end connects clamper 11, four clampers 11 and is hinged on four clamps 10 respectively, thus clamper 11 can be axially moved around hinged place, thus improve the freedom and flexibility degree of clamper 11 axis.
When this scriber uses, be placed on steel blackboard, the dynamics utilizing the elasticity of spring to give one, chalk to press as staff, and after along with chalk consumption, lasting gives chalk pressure, and then solve scratching process interrupt line or the problem such as lines are unintelligible, and when ruling to the right, opposite force is left produced at clamper 11 dop 13 place, and then pull spring 12 to make it produce pulling force left to clamper 11 pressure handle place, again due to the Axile connection structure of clamper 11 two panels folder lobe, make the clamping chalk that dop 13 is tighter, prevent chalk coming off in use, ensure the integrality of line drawing better, the firm guide rail 4 in two, described centre is connected with operating handle 7, and operator can grip hand control scriber line direction.Dop 13 place of described clamper 11 extends to the plane place contacted with steel blackboard close to magnetic force roller 5, chalk breakage phenomenon during the line that this moves after can effectively preventing chalk from stretching out long stress point and causes.Described operating handle 7 is installed on middle two firm guide rails 4 by handle brackets 8, is closed with Mu Ding by installation place.This mounting means not only reduces the overall space of scriber, and well grasps its operation center, operates and more precisely stablizes.Magnetic force roller 5 is four groups, and is all inlaid with annular magnetite 14 in the tire 15 of each magnetic force roller 5.Magnetite 14 utilizes magnetic force principle to make scriber well be fitted in blackboard surface, so operator when operating without the need to applying perpendicular to the pressure in blackboard direction to scriber, eliminate the component in other direction produced due to pressure.Tire 15 material is rubber, can increase the longitudinal frictional force on magnetic force roller 5 and blackboard surface like this, and then the accuracy of assurance device transverse movement.This magnetic force tire not only reduces operation easier, and improves the degree of accuracy and the efficiency value of machinery.Described spring 12 is two, and one is located at clamp 10 upper surface, and one end connects clamp 10, and the other end connects clamper 11; Another is located at clamp 10 lower surface, one end connects clamp 10, the other end connects clamper 11, its main purpose is used for spacing, pulling force due to upper end spring 12 may make clamper 11 turns over, below arranges the pulling force that spring 12 effectively can offset upper end spring, reaches the effect that clamper 11 is spacing.The spring 12 of lower end can be connected to clamping rotating shaft place of clamper 11 simultaneously, like this can when pressing, because of the counter-pressure that pressing force produces this spring 12, make this spring 12 pairs of clampers 11 produce a thrust, thus produce the effect of better clamping chalk.Described clamp 10 is inverted T shape groove, at the contact surface of clamp 10 bottom and chute 9, slipmat 1 is housed, slipmat 1 is used to be convenient to fixing chuck plate 10 position, prevent because the slip of clamp 10 drives the movement of clamper 11 in scratching process, and then improve the Stability and dependability of scriber scratching process.
Claims (5)
1. a magnetic force scriber for English drawing, comprises rectangle fixed mount body, it is characterized in that: described frame body is made up of four firm guide rails (4) fixing between upper side frame (2), lower frame side (3) and upper side frame (2), lower frame side (3); Be respectively equipped with the four groups of magnetic force rollers (5) be mutually symmetrical outside the upper side frame (2) of frame body and lower frame side (3) four firm guide rail (4) places, the roller (5) be located on upper side frame (2) is connected respectively by same power transmission shaft (6) with the symmetrical roller (5) be located in lower frame side (3); Described firm guide rail (4) upper end longitudinally has chute (9), is equipped with clamp (10) and is slidably connected with it in chute (9); Described four clamps (10) hinged four clampers (11) respectively, by handle brackets (8) fixing operation handle (7) on the firm guide rail (4) in described centre two; Magnetite (14) is provided with in the roller tire (15) of described magnetic force roller (5).
2. magnetic force scriber for English drawing according to claim 1, is characterized in that: described chute (10) is inverted T shape groove, and clamp (10) is arranged on part in chute (10) is also inverted T shape structure, is provided with colloid slipmat (1) at inverted T shape structure bottom face.
3. magnetic force scriber for English drawing according to claim 1, is characterized in that: be provided with spring (12) between described clamp (10) and clamper (11), spring (12) one end is connected with clamp (10), and the other end is connected with clamper (11).
4. magnetic force scriber for English drawing as claimed in claim 3, it is characterized in that: described spring (12) is two, one is located at clamp (10) upper surface, and one end connects clamp (10), and the other end connects clamper (11); Another is located at clamp lower surface, and one end connects clamp (10), and the other end connects clamper (11).
5. magnetic force scriber for English drawing according to claim 1, is characterized in that: dop (13) place of described clamper (11) extends to the plane place contacted with steel blackboard close to roller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241503.8U CN204526558U (en) | 2015-04-21 | 2015-04-21 | Magnetic force scriber for English drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241503.8U CN204526558U (en) | 2015-04-21 | 2015-04-21 | Magnetic force scriber for English drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204526558U true CN204526558U (en) | 2015-08-05 |
Family
ID=53740603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520241503.8U Expired - Fee Related CN204526558U (en) | 2015-04-21 | 2015-04-21 | Magnetic force scriber for English drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204526558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776285A (en) * | 2017-11-13 | 2018-03-09 | 朱秋虹 | Background blackboard |
-
2015
- 2015-04-21 CN CN201520241503.8U patent/CN204526558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776285A (en) * | 2017-11-13 | 2018-03-09 | 朱秋虹 | Background blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |