CN208422175U - A kind of displaying device that geographical teaching uses - Google Patents
A kind of displaying device that geographical teaching uses Download PDFInfo
- Publication number
- CN208422175U CN208422175U CN201820176851.5U CN201820176851U CN208422175U CN 208422175 U CN208422175 U CN 208422175U CN 201820176851 U CN201820176851 U CN 201820176851U CN 208422175 U CN208422175 U CN 208422175U
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- China
- Prior art keywords
- display board
- lifting column
- lead screw
- bolt
- rotation axis
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Abstract
The utility model provides a kind of displaying device that geographical teaching uses, including display board and moveable bracket, the both ends of display board are connect with moveable holder pivots, and display board is connect by rotation axis with moveable holder pivots；Moveable bracket includes lifting column, lead screw and movable block, the opposite side of two lifting columns is equipped with targeting port, lead screw is arranged in lifting column, the lower end of lead screw is provided with motor and drives lead screw rotation, one end of movable block can be moved up and down by the cooperation with screw along lead screw, bearing is equipped with inside the other end of movable block, the rotation axis of display board passes through targeting port and connect with bearing；Lifting column is equipped with positioning mechanism, and positioning mechanism includes upper and lower two groups, and every group of positioning mechanism includes two bolts.The utility model structure is simple, and the demand of the pictures such as suspension map may be implemented, also can be for showing that three-dimensional model provides support, and low cost, and maintenance is easy.
Description
Technical field
The utility model belongs to teaching equipment field, more particularly, to a kind of displaying device that geographical teaching uses.
Background technique
In geographical teaching, in order to allow student that can better understand textbook content, teacher often by map and
The three-dimensional model of topography, and these need to show that device is presented to student.Map needs to hang, and two three-dimensional models then need water
Placing flat.Also there are many displaying devices currently on the market, function is more single or can only hang map or only vertically
It can show model.And many displaying device costs of manufacture are high now, in order to realize that a certain functional entity is too complicated, and also
Multiple hydraulic cylinders or cylinder much are being used, is increasing the cost for showing device.
Summary of the invention
In view of this, the utility model is directed to a kind of displaying device that geographical teaching uses, structure is simple, Ke Yishi
The demand of the pictures such as map is now hung, also can be for showing that three-dimensional model provides support, and low cost, maintenance is easy.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of displaying device that geographical teaching uses, including display board and moveable bracket, display board is located at two can
Between mobile bracket, and the both ends of display board are connect with moveable holder pivots；
Display board is rectangular framework, is fixedly installed rotation axis, rotation axis point at the both ends center of display board respectively
It is not connect with moveable holder pivots；
Moveable bracket includes lifting column, lead screw and movable block, is hollow inside lifting column, and two liftings are vertical
The opposite side of column is equipped with targeting port, and lead screw is arranged in lifting column, and the lower end of lead screw is provided with motor and drives lead screw rotation,
One end of movable block can be moved up and down by the cooperation with screw along lead screw, and axis is equipped with inside the other end of movable block
It holds, the rotation axis of display board passes through targeting port and connect with bearing；Lifting column is equipped with positioning mechanism, and positioning mechanism includes up and down
Two groups, position of the positioning mechanism on lifting column is located at the upper surface of rotation axis and in the following, every group of positioning mechanism includes two
A bolt, bolt are arranged in parallel with rotating shaft direction, and when display board turns to vertical direction, display board is located at same group of bolt
End between, when display board turns to horizontal direction, display board is located between the end of different groups of bolts.
Further, position of the positioning mechanism on lifting column is located at the upper surface of rotation axis and in the following, rises
The cross section for dropping column is rectangle, is provided with bolt hole, spiral shell on two vertical with the rotation axis side on lifting column
Bolt passes through bolt hole from outside, and the distance between same group of bolt is 2~3mm bigger than the thickness of display board, between difference group bolt
Distance it is 2~3mm bigger than the thickness of display board.
Further, reinforcing rod is provided between the lifting column, reinforcing rod is located at below targeting port.
Further, the lower end of the lifting column is provided with service brake universal wheel.
Further, be provided with can be along the hook or resilient clip that edge moves at the edge of the display board upper end.
Compared with the existing technology, the displaying device that geographical teaching described in the utility model uses has the advantage that
The displaying device that geographical teaching described in the utility model uses, the upper-lower height that can be realized display board are adjusted,
Simultaneously can vertical direction for display board and horizontal direction be fixed, structure is simple, easy to use, cost savings,
It can be widely used.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is that the display board for the displaying device that geographical teaching described in the utility model embodiment uses is located at vertical direction
When simple structure schematic diagram；
Fig. 2 is the moveable A direction view of bracket and display board in vertical direction in Fig. 1；
Fig. 3 is the moveable bracket for the displaying device that geographical teaching described in the utility model embodiment uses and shows
Plate in the horizontal direction when A direction view；
Fig. 4 is the A for showing the moveable bracket in device that geographical teaching described in the utility model embodiment uses
Direction view.
Description of symbols:
1- display board；2- rotation axis；3- lifting column；4- lead screw；5- movable block；6- targeting port；7- bolt；8- reinforces
Bar.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs 1-4, a kind of displaying device that geographical teaching uses, including display board 1 and moveable bracket are shown
Plate 1 is located between two moveable brackets, and the both ends of display board 1 are connect with moveable holder pivots；
Display board 1 is rectangular framework, is fixedly installed rotation axis 2, rotation axis respectively at the both ends center of display board 1
2 connect with moveable holder pivots respectively；
Moveable bracket includes lifting column 3, lead screw 4 and movable block 5, is hollow inside lifting column 3, and two rise
It drops the opposite side of column 3 and is equipped with targeting port 6, lead screw 4 is arranged in lifting column 3, and the lower end of lead screw 4 is provided with motor drive
Lead screw 4 rotates, and one end of movable block 5 can be moved up and down by the cooperation with screw along lead screw 4, movable block 5 it is another
End is internal to be equipped with bearing, and the rotation axis 2 of display board 1 passes through targeting port 6 and connect with bearing；Lifting column 3 is equipped with positioning mechanism,
Positioning mechanism includes upper and lower two groups, position of the positioning mechanism on lifting column 3 be located at the upper surface of rotation axis 2 and in the following,
Every group of positioning mechanism includes two bolts 7, and bolt 7 is arranged in parallel with 2 direction of rotation axis, when display board 1 turns to vertical direction
When, display board 1 is located between the end of same group of bolt 7, and when display board 1 turns to horizontal direction, display board 1 is located at difference
Between the end of group bolt 7.
Position of the above-mentioned positioning mechanism on lifting column 3 is located at the upper surface of rotation axis 2 and in the following, lifting column 3
Cross section be rectangle, be provided with bolt hole on two vertical with rotation axis 2 side on lifting column 3, bolt 7 from
Outside passes through bolt hole, and the distance between same group of bolt 7 is 2~3mm bigger than the thickness of display board 1, when display board 1 is located at vertically
When direction, display board 1 is clamped by same group of bolt 7, the distance between difference group bolt 7 is thicker than display board 1
Big 2~3mm is spent, when display board 1 is located at horizontal direction, water is carried out for display board 1 by different groups of upper and lower corresponding bolts 7
Square to positioning.
Reinforcing rod 8 is provided between above-mentioned lifting column 3, reinforcing rod 8 is located at below targeting port 6.
The lower end of above-mentioned lifting column 3 is provided with service brake universal wheel.It can be in religion indoor moving.
The edge of above-mentioned 1 upper end of display board is provided with can be along the hook or resilient clip that edge moves.
Working principle:
Display board 1 is rotatablely connected by rotation axis 2 and movable block 5, and movable block 5 is arranged in lifting column 3, movable block
It is matched between 5 and lifting column 3 by sliding slot, guarantees that movable block 5 not can rotate during lead screw 4 rotates, Zhi Nengyan
4 length direction of lead screw it is mobile.Therefore the height of display board 1 can be adjusted by rotational lead screw 4.Due to display board 1 and move
Motion block 5 is rotation connection, it is therefore desirable to which the position of display board 1 is fixed.It, will when display board 1 turns to vertical direction
Bolt 7 is inwardly tightened, the length of bolt 7 can guarantee enough the edge of display board 1 between same group of bolt 7, in this way,
The fixation on 1 vertical direction of display board can be realized by upper and lower two groups of bolts 7.When needing to show three-dimensional model, need
Display board 1 is placed in horizontal direction.Bolt 7, rotational lead screw 4 are unclamped, while adjusting the height of display board 1, makes the position of rotation axis 2
Setting between upper and lower two groups of bolts 7, bolt 7 is then inwardly tightened, such display board 1 is located at the edge on 2 both sides of rotation axis
The bolt 7 for having protrusion up and down end, to realize the positioning for 1 horizontal direction of display board.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of displaying device that geographical teaching uses, it is characterised in that: including display board (1) and moveable bracket, show
Plate (1) is located between two moveable brackets, and the both ends of display board (1) are connect with moveable holder pivots；
Display board (1) is rectangular framework, is fixedly installed respectively rotation axis (2) at the both ends center of display board (1), is rotated
Axis (2) is connect with moveable holder pivots respectively；
Moveable bracket includes lifting column (3), lead screw (4) and movable block (5), lifting column (3) is internal be it is hollow, and two
The opposite side of a lifting column (3) is equipped with targeting port (6), and lead screw (4) setting is in lifting column (3), the lower end of lead screw (4)
It is provided with motor and drives lead screw (4) rotation, one end of movable block (5) can be carried out by the cooperation with screw along lead screw (4)
Lower movement, the other end inside of movable block (5) are equipped with bearing, and the rotation axis (2) of display board (1) passes through targeting port (6) and bearing
Connection；Lifting column (3) is equipped with positioning mechanism, and positioning mechanism includes upper and lower two groups, and positioning mechanism is on lifting column (3)
Position is located at the upper surface of rotation axis (2) and in the following, every group of positioning mechanism includes two bolts (7), bolt (7) and rotation axis
(2) direction is arranged in parallel, and when display board (1) turns to vertical direction, display board (1) is located at the end of same group of bolt (7)
Between, when display board (1) turns to horizontal direction, display board (1) is located between the end of different groups of bolts (7).
2. the displaying device that geographical teaching according to claim 1 uses, it is characterised in that: lifting column (3) it is transversal
Face is rectangle, is provided with bolt hole on two vertical with rotation axis (2) the side on lifting column (3), bolt (7) from
Outside passes through bolt hole, and the distance between same group of bolt (7) is 2~3mm bigger than the thickness of display board (1), difference group bolt (7)
The distance between it is 2~3mm bigger than the thickness of display board (1).
3. the displaying device that geographical teaching according to claim 1 uses, it is characterised in that: lifting column is set between (3)
It is equipped with reinforcing rod (8), reinforcing rod (8) is located at below targeting port (6).
4. the displaying device that geographical teaching according to claim 1 uses, it is characterised in that: the lower end of lifting column (3)
It is provided with service brake universal wheel.
5. the displaying device that geographical teaching according to claim 1 uses, it is characterised in that: the side of display board (1) upper end
It can be along the hook or resilient clip that edge moves along being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820176851.5U CN208422175U (en) | 2018-02-01 | 2018-02-01 | A kind of displaying device that geographical teaching uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820176851.5U CN208422175U (en) | 2018-02-01 | 2018-02-01 | A kind of displaying device that geographical teaching uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422175U true CN208422175U (en) | 2019-01-22 |
Family
ID=65119924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820176851.5U Expired - Fee Related CN208422175U (en) | 2018-02-01 | 2018-02-01 | A kind of displaying device that geographical teaching uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208422175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189586A (en) * | 2019-06-28 | 2019-08-30 | 河南工学院 | A kind of career planing Multifunctional demonstration device |
| CN116714390A (en) * | 2023-06-16 | 2023-09-08 | 陕西省考古研究院(陕西考古博物馆) | Wall painting repair auxiliary equipment |
-
2018
- 2018-02-01 CN CN201820176851.5U patent/CN208422175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189586A (en) * | 2019-06-28 | 2019-08-30 | 河南工学院 | A kind of career planing Multifunctional demonstration device |
| CN116714390A (en) * | 2023-06-16 | 2023-09-08 | 陕西省考古研究院(陕西考古博物馆) | Wall painting repair auxiliary equipment |
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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: 20190122 Termination date: 20200201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |