CN208938411U - One kind being used for modern times historical teaching demonstration activity plate - Google Patents
One kind being used for modern times historical teaching demonstration activity plate Download PDFInfo
- Publication number
- CN208938411U CN208938411U CN201821292521.9U CN201821292521U CN208938411U CN 208938411 U CN208938411 U CN 208938411U CN 201821292521 U CN201821292521 U CN 201821292521U CN 208938411 U CN208938411 U CN 208938411U
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- movable plate
- plate
- fixed
- horizontal
- frame
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses one kind to be used for modern times historical teaching demonstration activity plate, including the frame surrounded by munnion and horizontal frame, munnion includes fixed section and active segment, and the lower end of active segment is provided with shank, shank is inserted into fixed section, and active segment is provided with extension spring between fixed section；Rectangular frame bottom is provided with support rod；Fixed plate and movable plate are provided in rectangular frame, fixed plate is fixedly connected with rectangular frame, the both ends on movable plate bottom edge are provided with horizontal pin shaft, the inner sidewall of pin shaft insertion fixed section, the horizontal frame lower surface at top is provided with locating slot, the deckle of movable plate is located in locating slot, and under the pulling force effect of extension spring, and the horizontal frame at the top of active segment compresses downwards movable plate.Since movable plate is able to maintain vertically, after fixed plate cooperation, the expansion of the papery datas such as map is fixed on movable plate and fixed plate using drawing pin etc..When needing to show three dimensional practicality, rotation movable plate is easy to use to horizontal position.
Description
Technical field
The utility model belongs to teaching equipment field, especially a kind of to be used for modern times historical teaching demonstration activity plate.
Background technique
When historical teaching, teacher may show some historical summaries, such as map, mock-up to student, currently, one
As be to be demonstrated on dais, dais height it is lower, it has not been convenient to.
Utility model content
The purpose of this utility model is to provide one kind to be used for modern times historical teaching demonstration activity plate, and teacher is facilitated to say
Class hour shows some auxiliary informations.
Purpose of the utility model is realized as follows: it is a kind of for modern times historical teaching demonstration activity plate, including
The rectangular frame surrounded by two munnions and two horizontal frames, the munnion include fixed section and the activity at the top of fixed section
Section, the upper end of the fixed section are provided with jack, and the lower end of active segment is provided with shank, the shank be inserted into jack and with
Jack is slidably matched, and is provided with extension spring between the lower end surface of the active segment and the bottom hole of jack；The rectangular frame
Bottom is provided with a pair of horizontal support bar perpendicular to horizontal frame；The fixed plate and rectangle of rectangle are provided in the rectangular frame
Movable plate, the fixed plate is located at the lower section of movable plate, and the side of fixed plate is fixedly connected with rectangular frame, the movable plate
The both ends on bottom edge are provided with horizontal pin shaft, and the pin shaft is inserted into the inner sidewall of fixed section and rotationally matches with fixed section
It closes, the horizontal frame lower surface at the top of active segment is provided with locating slot, and the deckle of the movable plate is located in locating slot, and is drawing
Under the pulling force effect for stretching spring, the horizontal frame at the top of active segment compresses downwards movable plate.
Further, the horizontal frame upper surface at the top of the active segment is provided with handle.
It further, further include two drawstrings, one end of two drawstrings is fixed with the both ends at the top of movable plate respectively
It connects, the horizontal frame that the other end runs through at the top of active segment is simultaneously connected with the back side of fixed plate, and the length of drawstring meets: when movable plate turns
When moving to horizontal position, drawstring is tensed.
The beneficial effects of the utility model are: since movable plate is able to maintain vertically, after fixed plate cooperation, using figure
The expansion of the papery datas such as map is fixed on movable plate and fixed plate by nail etc..When needing to show three dimensional practicality, rotation activity
Plate is easy to use to horizontal position.
Detailed description of the invention
Fig. 1 is the schematic front view of the utility model.
Fig. 2 is the main view schematic cross-sectional view of the utility model.
Fig. 3 is the schematic cross-sectional view of A-A in Fig. 1.
Fig. 4 is the schematic diagram that movable plate turns to horizontal position in Fig. 3.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, one kind of the utility model is used for modern times historical teaching demonstration activity
Plate, including the rectangular frame surrounded by two munnions 1 and two horizontal frames 2, the munnion 1 is including fixed section 11 and is located at fixed section
The active segment 12 at 11 tops, the upper end of the fixed section 11 are provided with jack, and the lower end of active segment 12 is provided with shank 13, institute
It states shank 13 to be inserted into jack and be slidably matched with jack, be provided between the lower end surface of the active segment 12 and the bottom hole of jack
Extension spring 14；The bottom of the rectangular frame is provided with a pair of horizontal support bar 5 perpendicular to horizontal frame 2；The rectangular frame
Inside it is provided with the fixed plate 3 of rectangle and the movable plate 4 of rectangle, the fixed plate 3 is located at the lower section of movable plate 4, and fixed plate 3
Side is fixedly connected with rectangular frame, and the both ends on 4 bottom edge of movable plate are provided with horizontal pin shaft 41, and the pin shaft 41 is inserted into
The inner sidewall of fixed section 11 and rotationally cooperate with fixed section 11,2 lower surface of horizontal frame positioned at the top of active segment 12 is arranged
There is locating slot, the deckle of the movable plate 4 is located in locating slot, and under the pulling force effect of extension spring 14, and active segment 12 pushes up
The horizontal frame 2 in portion compresses downwards movable plate 4.
Munnion 1, horizontal frame 2, fixed plate 3, movable plate 4, support rod 5 etc. can use the materials such as timber, plastics, metal, Gu
Fixed board 3 and movable plate 4 etc. can also arbitrarily can be arranged in pairs or groups, each component is fixedly connected according to actual needs using hardboard etc.
It is determined according to material, for example, can weld or connected using screw when using metal material, when using plastic material, heat-fusible company
It connects or is bonded, when using timber, bonding or mortise-tenon joint can be used.The height of contour of rectangular frame 40 between 60cm,
For width 20 between 35cm, fixed plate 3 is consistent with the height of movable plate 4.In use, if it is papery data to be shown, it will
The present apparatus is placed on dais, and support rod 5 keeps horizontal, can support device monolithic stability, and the papery for needing to show is provided
Material is unfolded and is laid in fixed plate 3 and movable plate 4, is by papery data fixation using the locating piece of the routine such as drawing pin, sucker
It can.When needing to show in kind, the horizontal frame 2 at top is pulled up, extension spring 14 is further stretched, and movable plate 4 is made
Top margin is detached from from the locating slot of horizontal 2 lower surface of frame, is then rotated movable plate 4 to horizontal position, material object can be placed on activity
It is shown on plate 4.After the completion of displaying, the horizontal frame 2 at top is pulled again up, and rotation movable plate 4 to vertical position is decontroled horizontal
Frame 2, horizontal frame 2 move downward under the action of extension spring 14, are located at the deckle of movable plate 4 in the locating slot of horizontal frame 2, and
Under the pulling force effect of extension spring 14, the horizontal frame 2 at 12 top of active segment compresses downwards movable plate 4.
2 upper surface of horizontal frame at 12 top of active segment is provided with handle 21, facilitates and horizontal frame 2 is pulled to move up.
In order to make when showing in kind movable plate 4 keep firm in horizontal position, the present apparatus further includes two drawstrings 6, is drawn
Rope 6 can be used the existing sufficiently high rope of any intensity, such as the rope made of hemp, wirerope, nylon rope, and the one of two drawstrings 6
End is fixedly connected with the both ends at 4 top of movable plate respectively, can specifically be drilled in movable plate 4, one end through hole of drawstring 6 is simultaneously beaten
Knot, realization draw high 6 fixation, and the other end runs through the horizontal frame 2 at 12 top of active segment and is connected with the back side of fixed plate 3, drawstring 6
Length meets: when movable plate 4 turns to horizontal position, drawstring 6 is tensed.When rotating movable plate 4, the movement of drawstring 6 will pull,
When movable plate 4 turns to horizontal position, drawstring 6 is tightened, and length reaches maximum, is played the role of holding movable plate 4, is prevented reality
Object is overweight and leads to movable plate 4 built on the sand.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. one kind is used for modern times historical teaching demonstration activity plate, it is characterised in that: including by two munnions (1) and two cross
The rectangular frame that frame (2) surrounds, the munnion (1) include fixed section (11) and the active segment at the top of fixed section (11)
(12), the upper end of the fixed section (11) is provided with jack, and the lower end of active segment (12) is provided with shank (13), the grafting
Bar (13) insertion jack is simultaneously slidably matched with jack, is provided with drawing between the lower end surface of the active segment (12) and the bottom hole of jack
Stretch spring (14)；The bottom of the rectangular frame is provided with a pair of horizontal support bar (5) perpendicular to horizontal frame (2)；The rectangle
The fixed plate (3) of rectangle and the movable plate (4) of rectangle are provided in frame, the fixed plate (3) is located under movable plate (4)
Side, and the side of fixed plate (3) is fixedly connected with rectangular frame, the both ends on movable plate (4) bottom edge are provided with horizontal pin
Axis (41), the pin shaft (41) are inserted into the inner sidewall of fixed section (11) and are rotationally cooperated with fixed section (11), be located at and live
Horizontal frame (2) lower surface at the top of dynamic section (12) is provided with locating slot, and the deckle of the movable plate (4) is located in locating slot, and
Under the pulling force effect of extension spring (14), the horizontal frame (2) at the top of active segment (12) compresses downwards movable plate (4).
2. according to claim 1 a kind of for modern times historical teaching demonstration activity plate, it is characterised in that: the work
Horizontal frame (2) upper surface at the top of dynamic section (12) is provided with handle (21).
3. according to claim 1 a kind of for modern times historical teaching demonstration activity plate, it is characterised in that: further include
One end of two drawstrings (6), two drawstrings (6) is fixedly connected with the both ends at the top of movable plate (4) respectively, and the other end runs through
Horizontal frame (2) at the top of active segment (12) is simultaneously connected with the back side of fixed plate (3), and the length of drawstring (6) meets: when movable plate (4)
When turning to horizontal position, drawstring (6) is tensed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292521.9U CN208938411U (en) | 2018-08-10 | 2018-08-10 | One kind being used for modern times historical teaching demonstration activity plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292521.9U CN208938411U (en) | 2018-08-10 | 2018-08-10 | One kind being used for modern times historical teaching demonstration activity plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938411U true CN208938411U (en) | 2019-06-04 |
Family
ID=66717521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821292521.9U Expired - Fee Related CN208938411U (en) | 2018-08-10 | 2018-08-10 | One kind being used for modern times historical teaching demonstration activity plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938411U (en) |
-
2018
- 2018-08-10 CN CN201821292521.9U patent/CN208938411U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20200810 |