CN209401193U - A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted - Google Patents
A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted Download PDFInfo
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- CN209401193U CN209401193U CN201821678726.0U CN201821678726U CN209401193U CN 209401193 U CN209401193 U CN 209401193U CN 201821678726 U CN201821678726 U CN 201821678726U CN 209401193 U CN209401193 U CN 209401193U
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Abstract
The utility model belongs to teaching equipment technical field, in particular a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted, including bottom deck assembly, longitudinal bracing component and angular adjustment component, the bottom deck assembly includes the first bearing bar, the second bearing bar, first crossbar and universal wheel；Price area and algorithmic procedure area are divided by the front in demonstration board, teacher can demonstrate in the region of delimitation, by price region corresponding with process write-in, reduce teacher's error, facilitate student is more intuitive to understand algorithmic procedure, by being provided with can slide up and down slide bar and electric telescopic rod, motorized adjustment can be carried out to the height of device, facilitate the teacher of different heights carry out using, the angle of demonstration board is adjusted and is fixed using the structure of ratchet, so that device is relatively reliable, demonstration board is rotated and can be used as interim desktop use in parallel as ground, it can also carry out plane demonstration.
Description
Technical field
The utility model belongs to teaching equipment technical field, and in particular to it is a kind of successively decrease for price power-assisted it is adjustable
Apparatus for demonstrating.
Background technique
In relevant specialities such as economic managements, carries out being illustrated as a kind of important teaching means, successively decrease carrying out price power-assisted
Teaching when, generally require to carry out reckoning demonstration, by the process successively decreased and algorithm and etc. by way of demonstration it is old to student
It states, so that student is best understood from its algorithm, and demonstrates and carried out on blank mostly.
1. original apparatus for demonstrating is unified blank, area of display is passed without special division carrying out price power-assisted
Flow chart is generally required when the teaching subtracted, the hand-written sequence of teacher is easier to malfunction, and student understands more difficulty of getting up.
2. original apparatus for demonstrating is not available for height adjustment mostly, it can bring inconvenience to the teacher of different heights, and former
Some devices are only capable of to be vertically arranged state and be demonstrated, and function is more single.
Utility model content
To solve the problems mentioned above in the background art.The utility model, which provides, a kind of to successively decrease for price power-assisted
Adjustable apparatus for demonstrating has the characteristics that region division and multi-functional.
To achieve the above object, the utility model provides the following technical solutions: it is a kind of successively decrease for price power-assisted it is adjustable
Section formula apparatus for demonstrating, including bottom deck assembly, longitudinal bracing component and angular adjustment component, the bottom deck assembly include the first load-bearing
Bar, the second bearing bar, first crossbar and universal wheel, one end of the first crossbar are fixedly connected in first bearing bar
Between at position, and the other end is fixedly connected on the middle position of second bearing bar, first bearing bar and described
The bottom surface of two bearing bars is fixedly connected with the universal wheel, the longitudinal bracing component include the first fixed link, the second fixed link,
First slide bar, the second slide bar, electric telescopic rod and fixed block, the bottom end of first fixed link are fixedly connected on described first and hold
The top surface of weight bar, the bottom end of second fixed link are fixedly connected on the top surface of second bearing bar, and first slide bar is sliding
The dynamic inner wall for being connected to first fixed link, second sliding bar is connected to the inner wall of second fixed link, described
Electric telescopic rod is fixedly connected on the top surface of first bearing bar, and the quantity of the fixed block is two, is respectively fixedly connected with
In the side wall of first slide bar and second slide bar, and the electric telescopic rod acts on the bottom surface of the fixed block, institute
Stating angular adjustment component includes bearing, ratchet box, demonstration board and rotation axis, and the bearing is fixedly connected on second slide bar
Top, the ratchet box are fixedly connected on the top of first slide bar, and the demonstration board is located at the bearing and the ratchet
Between box, the side wall middle position of the demonstration board is fixedly connected with the rotation axis, and one end of the rotation axis and institute
Bearing rotation connection is stated, the one end of the rotation axis far from the bearing and the ratchet box are rotatablely connected, the demonstration board
Surface has price area and algorithmic procedure area, and described in price area be multiple described in algorithmic procedure area, and be in aligned transfer.
Preferably, the quantity of the universal wheel is four, is separately fixed at first bearing bar and second load-bearing
The both ends of bar bottom surface.
Preferably, the quantity of the electric telescopic rod is two, is located at first fixed link and consolidates with described second
The side of fixed pole.
Preferably, the fixed block is hollow structure, and the inner wall of the fixed block slidably connects plate.
Preferably, the ratchet box include ratchet box shell, card needle stand, spring groove, spring, card needle and gasket, the spine
The outer wall of wheel box shell is fixedly connected with the card needle stand, and the card needle stand offers the spring groove, and the spring is located at institute
It states in spring groove, the card needle is slidably connected through the card needle stand and with the card needle stand, and the gasket is fixedly connected on institute
The outer wall of card needle is stated, and is located at the bottom of the spring groove.
Preferably, the rotation axis is fixedly connected with ratchet far from described one end for stating bearing, and the ratchet is located at institute
Inside the cavity for stating ratchet box shell, and the ratchet engages with the card needle.
Preferably, the demonstration board front is Glass whiteboard.
Compared with prior art, the utility model has the beneficial effects that
1. dividing price area and algorithmic procedure area, teacher by the front in demonstration board can drill in the region of delimitation
Show, by price region corresponding with process write-in, reduces teacher's error, facilitate student is more intuitive to understand algorithmic procedure.
2. by being provided with can slide up and down slide bar and electric telescopic rod motorized adjustment can be carried out to the height of device,
Facilitate the teacher of different heights carry out using, the angle of demonstration board is adjusted and is fixed using the structure of ratchet so that
Device is relatively reliable, and demonstration board is rotated and can be used as interim desktop use in parallel as ground, can also carry out plane demonstration.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the demonstration board of the utility model converts the structural schematic diagram of desktop；
Fig. 3 is the fixed-block-architecture (FBA) schematic diagram in the utility model；
Fig. 4 is the ratchet box structural schematic diagram in the utility model；
In figure: 10, bottom deck assembly；11, the first bearing bar；12, the second bearing bar；13, first crossbar；14, universal wheel；
20, longitudinal bracing component；21, the first fixed link；22, the second fixed link；23, the first slide bar；24, the second slide bar；25, electronic to stretch
Contracting bar；26, fixed block；261, plate；30, angular adjustment component；31, bearing；32, ratchet box；321, ratchet box shell；322,
Card needle stand；323, spring groove；324, spring；325, card needle；326, gasket；33, demonstration board；331, price area；332, algorithm mistake
Journey area；34, rotation axis；341, ratchet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: it is a kind of successively decrease for price power-assisted it is adjustable
Apparatus for demonstrating, including bottom deck assembly 10, longitudinal bracing component 20 and angular adjustment component 30, bottom deck assembly 10 include the first load-bearing
Bar 11, the second bearing bar 12, first crossbar 13 and universal wheel 14, one end of first crossbar 13 are fixedly connected on the first bearing bar 11
Middle position, and the other end is fixedly connected on the middle position of the second bearing bar 12, and the first bearing bar 11 and second are held
The bottom surface of weight bar 12 is fixedly connected with universal wheel 14, and longitudinal bracing component 20 includes the first fixed link 21, the second fixed link 22, the
One slide bar 23, the second slide bar 24, electric telescopic rod 25 and fixed block 26, the bottom end of the first fixed link 21 are fixedly connected on first and hold
The top surface of weight bar 11, the bottom end of the second fixed link 22 are fixedly connected on the top surface of the second bearing bar 12, and the sliding of the first slide bar 23 connects
It is connected to the inner wall of the first fixed link 21, the second slide bar 24 is slidably connected to the inner wall of the second fixed link 22, and electric telescopic rod 25 is solid
Surely it is connected to the top surface of the first bearing bar 11, the quantity of fixed block 26 is two, is respectively fixedly connected in the first slide bar 23 and the
The side wall of two slide bars 24, and electric telescopic rod 25 acts on the bottom surface of fixed block 26, angular adjustment component 30 includes bearing 31, spine
Wheel box 32, demonstration board 33 and rotation axis 34, bearing 31 are fixedly connected on the top of the second slide bar 24, and ratchet box 32 are fixedly connected on
The top of first slide bar 23, for demonstration board 33 between bearing 31 and ratchet box 32, the side wall middle position of demonstration board 33 is solid
Surely be connected with rotation axis 34, and one end of rotation axis 34 and bearing 31 are rotatablely connected, the one end of rotation axis 34 far from bearing 31 with
Ratchet box 32 are rotatablely connected, and the surface of demonstration board 33 has price area 331 and algorithmic procedure area 332, and price area 331 and algorithm
Process area 332 is multiple, and is in aligned transfer.
In the present embodiment, by act on 26 bottom surface of fixed block electric telescopic rod 25 elongation and shorten, it can be achieved that
The first slide bar 23 and the second slide bar 24 is driven to carry out in the inner wall of the first fixed link 21 and the second fixed link 22 by fixed block 26
Sliding, electric telescopic rod 25 are stretched out upwards, then 24 upward sliding of the first slide bar 23 and the second slide bar, to drive demonstration board 33
It increases, if electric telescopic rod 25 shortens downwards, 24 slide downward of the first slide bar 23 and the second slide bar, to drive demonstration board 33
It reduces, realizes the purpose of height motorized adjustment.
Specifically, the quantity of universal wheel 14 is four, it is separately fixed at 12 bottom surface of the first bearing bar 11 and the second bearing bar
Both ends.
In the present embodiment, the quantity of universal wheel 14 is four, is separately fixed at the first bearing bar 11 and the second bearing bar 12
The both ends of bottom surface, can make device held stationary when putting and short distance is moved, and anti-locking apparatus is toppled over.
Specifically, the quantity of electric telescopic rod 25 is two, it is located at the first fixed link 21 and the second fixed link 22
Side.
In the present embodiment, the quantity of electric telescopic rod 25 is two, is located at the first fixed link 21 and the second fixed link
22 side can synchronize device and go up and down, and guarantee that device is steady in lifting process, prevent active force unbalanced and lead
Lifting process run-off the straight is caused, then power requirement is larger using single motor telescopic rod 25, can using two electric telescopic rods 25
Reduce the mean power of device, reduces the requirement to circuit.
Specifically, fixed block 26 is hollow structure, and the inner wall of fixed block 26 slidably connects plate 261.
In the present embodiment, fixed block 26 is hollow structure, and the inner wall of fixed block 26 slidably connects plate 261, convenient
Plate 261 is dismantled, thus be conducive to the disassembly of electric telescopic rod 25, the convenient maintenance personal when electric telescopic rod 25 breaks down
Quickly dismantling maintenance is carried out, maintenance efficiency is improved.
Specifically, ratchet box 32 include ratchet box shell 321, card needle stand 322, spring groove 323, spring 324, card needle 325
With gasket 326, the outer wall of ratchet box shell 321 is fixedly connected with card needle stand 322, and card needle stand 322 offers spring groove 323, bullet
Spring 324 is located in spring groove 323, and card needle 325 is slidably connected through card needle stand 322 and with card needle stand 322, and gasket 326 is fixed to be connected
It is connected to the outer wall of card needle 325, and is located at the bottom of spring groove 323, rotation axis 34 is fixedly connected with far from one end of Soviet Union's bearing 31
Ratchet 341, and ratchet 341 is located inside the cavity of ratchet box shell 321, and ratchet 341 engages with card needle 325.
In the present embodiment, card needle 325 is pulled upwardly, demonstration board 33 is can be rotated and carries out angular adjustment, facilitate demonstration and sight
It sees, the ratchet 341 by being fixed on 34 one end of rotation axis engages with card needle 325, can be when 33 angle of demonstration board be not required to adjust, it will
Demonstration board 33 securely fixes, and prevents it from rotating, demonstration board 33 can be turned to it is parallel to the ground as desktop use,
Or carry out plane demonstration, at this time demonstration board 33 will not run-off the straight due to external force, be easy to use
Specifically, 33 front of demonstration board is Glass whiteboard.
In the present embodiment, one side of the demonstration board 33 for demonstration is Glass whiteboard, and Glass whiteboard is demonstrated in white board marker
After facilitate erasing, no dust generates, and can be used for multiple times.
The working principle and process for using of the utility model: after the utility model installs, device is passed through into universal wheel
14 are moved to job site, according to the height and habit of the teacher that attends class, drive the first slide bar 23 and the by electric telescopic rod 25
Two slide bars 24, which synchronize, to be raised and lowered, and demonstration board 33 is adjusted to proper height, and card needle 325 is pulled upwardly can be to demonstration board 33
Angle adjustment is carried out, is being adjusted to proper angle, card needle 325 is unclamped, resets card needle 325,
And engage with ratchet 341, so that the fixation of demonstration board 33, and fixation is relatively firm, will not rotate because of external force, institute
With demonstration board 33 can be adjusted to ground level, used as interim desktop, plane demonstration can also be carried out, calculated in teacher
When method is demonstrated, price and algorithm steps can be respectively written into price area 331 and algorithmic procedure area 332, it is more intuitive convenient for student
Understanding algorithm steps.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted, it is characterised in that: including bottom deck assembly (10), longitudinal direction
Support component (20) and angular adjustment component (30), the bottom deck assembly (10) include the first bearing bar (11), the second bearing bar
(12), one end of first crossbar (13) and universal wheel (14), the first crossbar (13) is fixedly connected on first bearing bar
(11) middle position, and the other end is fixedly connected on the middle position of second bearing bar (12), described first holds
The bottom surface of weight bar (11) and second bearing bar (12) is fixedly connected with the universal wheel (14), the longitudinal bracing component
It (20) include the first fixed link (21), the second fixed link (22), the first slide bar (23), the second slide bar (24), electric telescopic rod
(25) and fixed block (26), the bottom end of first fixed link (21) are fixedly connected on the top surface of first bearing bar (11),
The bottom end of second fixed link (22) is fixedly connected on the top surface of second bearing bar (12), and first slide bar (23) is sliding
The dynamic inner wall for being connected to first fixed link (21), second slide bar (24) are slidably connected to second fixed link (22)
Inner wall, the electric telescopic rod (25) is fixedly connected on the top surface of first bearing bar (11), the fixed block (26)
Quantity is two, is respectively fixedly connected in the side wall of first slide bar (23) and second slide bar (24), and described electronic
Telescopic rod (25) acts on the bottom surface of the fixed block (26), and the angular adjustment component (30) includes bearing (31), ratchet box
(32), demonstration board (33) and rotation axis (34), the bearing (31) is fixedly connected on the top of second slide bar (24), described
Ratchet box (32) are fixedly connected on the top of first slide bar (23), and the demonstration board (33) is located at the bearing (31) and institute
It states between ratchet box (32), the side wall middle position of the demonstration board (33) is fixedly connected with the rotation axis (34), and institute
The one end and the bearing (31) for stating rotation axis (34) are rotatablely connected, the one end of the rotation axis (34) far from the bearing (31)
It is rotatablely connected with the ratchet box (32), the surface of the demonstration board (33) has price area (331) and algorithmic procedure area
(332), and the price area (331) and the algorithmic procedure area (332) are multiple, and are in aligned transfer.
2. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 1, it is characterised in that: institute
The quantity for stating universal wheel (14) is four, is separately fixed at first bearing bar (11) and second bearing bar (12) bottom surface
Both ends.
3. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 1, it is characterised in that: institute
The quantity for stating electric telescopic rod (25) is two, is located at first fixed link (21) and second fixed link (22)
Side.
4. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 1, it is characterised in that: institute
Stating fixed block (26) is hollow structure, and the inner wall of the fixed block (26) slidably connects plate (261).
5. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 1, it is characterised in that: institute
State ratchet box (32) include ratchet box shell (321), card needle stand (322), spring groove (323), spring (324), card needle (325) and
Gasket (326), the outer wall of the ratchet box shell (321) are fixedly connected with the card needle stand (322), the card needle stand (322)
It offers the spring groove (323), the spring (324) is located in the spring groove (323), and the card needle (325) runs through institute
It states card needle stand (322) and is slidably connected with the card needle stand (322), the gasket (326) is fixedly connected on the card needle (325)
Outer wall, and be located at the spring groove (323) bottom.
6. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 5, it is characterised in that: institute
It states rotation axis (34) to be fixedly connected with ratchet (341) far from described one end for stating bearing (31), and the ratchet (341) is located at institute
Inside the cavity for stating ratchet box shell (321), and the ratchet (341) engages with the card needle (325).
7. a kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted according to claim 1, it is characterised in that: institute
Stating demonstration board (33) front is Glass whiteboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678726.0U CN209401193U (en) | 2018-10-17 | 2018-10-17 | A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678726.0U CN209401193U (en) | 2018-10-17 | 2018-10-17 | A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401193U true CN209401193U (en) | 2019-09-17 |
Family
ID=67878590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821678726.0U Expired - Fee Related CN209401193U (en) | 2018-10-17 | 2018-10-17 | A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102701A (en) * | 2020-10-09 | 2020-12-18 | 营口理工学院 | Dynamic demonstration device for economics model |
| CN112248682A (en) * | 2020-10-22 | 2021-01-22 | 冯国强 | Accounting bill input auxiliary device |
-
2018
- 2018-10-17 CN CN201821678726.0U patent/CN209401193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102701A (en) * | 2020-10-09 | 2020-12-18 | 营口理工学院 | Dynamic demonstration device for economics model |
| CN112248682A (en) * | 2020-10-22 | 2021-01-22 | 冯国强 | Accounting bill input auxiliary device |
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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: 20190917 Termination date: 20211017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |