CN214386788U - Differential equation display board - Google Patents
Differential equation display board Download PDFInfo
- Publication number
- CN214386788U CN214386788U CN202023098767.2U CN202023098767U CN214386788U CN 214386788 U CN214386788 U CN 214386788U CN 202023098767 U CN202023098767 U CN 202023098767U CN 214386788 U CN214386788 U CN 214386788U
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- fixed block
- slide rail
- downside
- differential equation
- installation box
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Abstract
The utility model discloses a differential equation show board, which belongs to the technical field of teaching equipment, and particularly relates to a differential equation show board, which comprises a main body, wherein the main body is internally connected with an installation box, the left side and the right side of the inner cavity of the installation box are both connected with brackets, the two sides of the brackets, which are opposite, are both connected with handles, the two handles all penetrate through the inside of the installation box and extend to the outside of the installation box, a first spring is connected between the left end of the left handle and the left wall of the installation box, the lower side of the installation box is connected with a base, the upper surface of the base is provided with a slide rail, the lower wall of the slide rail is uniformly provided with a clamping groove, the slide rail is internally provided with a first slide block, under the combined action of a locking component, the first slide block, the slide rail and the brackets, a larger-size blackboard book and a calculation board can be hung on the show board, under the combined action of a telescopic rod, a locking component, a connecting rod, the first slide rail and the support, the blackboard writing hung on the display board is firmly fixed with the calculation board and is not easy to fall off.
Description
Technical Field
The utility model relates to a teaching equipment technical field specifically is a differential equation show board.
Background
In the differential equation teaching process, the teacher can use many pictures, calculation board to impart knowledge to students, and the usual mode hangs picture, calculation board on the show shelf, and current show shelf is mostly the support body of simple structure, function singleness, and under the too big condition of picture and calculation board size, it is inconvenient to hang the show, still probably uses great blackboard writing during the teaching, and current show board does not have the function of placing great blackboard writing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a differential equation show board to solve the current show board that proposes among the above-mentioned background art and do not have and hang great size blackboard writing and calculation board, use inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: a differential equation display board comprises a main body, wherein an installation box is connected inside the main body, supports are connected to the left side and the right side of an inner cavity of the installation box, handles are connected to the opposite sides of the two supports, the two handles penetrate through the inside of the installation box and extend to the outer side of the installation box, a first spring is connected between the left end of the left handle and the left wall of the installation box, a base is connected to the lower side of the installation box, a slide rail is arranged on the upper surface of the base, clamping grooves are uniformly formed in the lower wall of the slide rail, a first slide block is installed inside the slide rail and is connected with the slide rail in a sliding manner, the upper side of the first slide block is fixedly connected with the left support, a locking assembly is fixedly connected to the left lower side of the left support, connecting rods are connected to the upper side and the lower side of the two supports, clamping hooks are connected to the left side and the right side of the lower wall of the connecting rods on the upper side, two the trip downside is connected with the show board, two the connecting rod middle part is connected with the second spring, the downside the lateral wall sliding connection that both ends and two supports are close to mutually about the connecting rod, the downside the connecting rod middle part below is connected with the telescopic link, the telescopic link is located the inside downside of install bin.
Preferably, universal wheels are mounted on the lower side of the main body.
Preferably, a foam protection plate is connected to one side, close to each of the two supports, of each support.
Preferably, the upper side of the installation box is connected with a dustproof plate.
Preferably, locking Assembly is including the fixed block, fixed block internal connection has the pull rod, the pull rod runs through inside the fixed block and extends to the fixed block upper wall outside, be connected with reset spring between pull rod upper end and the fixed block upper wall, the pull rod downside is connected with the baffle, the baffle left and right sides all is connected with the second slider, second slider and fixed block inner wall sliding connection, the baffle downside is connected with the kelly, the kelly runs through inside the fixed block and extends to the fixed block lower wall outside, kelly lower extreme and draw-in groove looks adaptation.
Compared with the prior art, the beneficial effects of the utility model are that:
1) under the combined action of the locking component, the first sliding block, the sliding rail and the bracket, the large-size blackboard writing and the calculation board can be hung on the display board.
2) Under the combined action of the telescopic rod, the locking assembly, the connecting rod, the first sliding block, the sliding rail and the bracket, the blackboard writing hung on the display board is firmly fixed with the calculation board and is not easy to fall off.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is an enlarged schematic view of the internal structure of the locking assembly of the present invention.
In the figure: 1 main part, 2 dust guards, 3 install bins, 4 supports, 5 foam guard plates, 6 handles, 7 first springs, 8 bases, 9 locking components, 10 slide rails, 11 draw-in grooves, 12 connecting rods, 13 second springs, 14 trip, 15 universal wheels, 16 telescopic links, 17 pull rods, 18 fixed blocks, 19 baffles, 20 second sliders, 21 kellies, 22 first sliders, 23 reset springs, 24 show boards.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution: a differential equation display board comprises a main body 1, wherein an installation box 3 is connected inside the main body 1, supports 4 are connected to the left side and the right side of an inner cavity of the installation box 3, handles 6 are connected to the opposite sides of the two supports 4, the two handles 6 penetrate through the installation box 3 and extend to the outer side of the installation box 3, a first spring 7 is connected between the left end of the left side handle 6 and the left wall of the installation box 3, a base 8 is connected to the lower side of the installation box 3, a slide rail 10 is arranged on the upper surface of the base 8, clamping grooves 11 are uniformly formed in the lower wall of the slide rail 10, a first slide block 22 is installed inside the slide rail 10, the first slide block 22 is connected with the slide rail 10 in a sliding manner, the upper side of the first slide block 22 is fixedly connected with the left side support 4, a locking assembly 9 is fixedly connected to the left lower side of the left side support 4, and connecting rods 12 are connected to the upper side and the lower side of the two supports 4, upside the connecting rod 12 lower wall left and right sides all is connected with trip 14, two trip 14 downside is connected with show board 24, two connecting rod 12 middle part is connected with second spring 13, the downside the lateral wall sliding connection that both ends and two supports 4 are close to mutually about connecting rod 12, the downside connecting rod 12 middle part below is connected with telescopic link 16, telescopic link 16 is located the inside downside of install bin 3.
Wherein, universal wheel 15, two are installed to 1 downside of main part one side that 4 supports are close to mutually all is connected with foam guard plate 5, 3 upsides of install bin are connected with dust guard 2, locking Assembly 9 is including fixed block 18, 18 internal connection of fixed block has pull rod 17, pull rod 17 runs through fixed block 18 inside and extends to the 18 upper wall outsides of fixed block, be connected with reset spring 23 between pull rod 17 upper end and the 18 upper wall of fixed block, pull rod 17 downside is connected with baffle 19, the 19 left and right sides of baffle all are connected with second slider 20, second slider 20 and 18 inner wall sliding connection of fixed block, 19 downside of baffle is connected with kelly 21, kelly 21 runs through fixed block 18 inside and extends to the 18 lower wall outsides of fixed block, kelly 21 lower extreme and draw-in groove 11 looks adaptations.
The working principle is as follows: the clamping hook 14 is hooked with the upper end of the display board 24, the size of the operation board or the blackboard writing to be placed on the display board 24 is accurately measured, the pull rod 17 is pulled upwards, the baffle plate 19 drives the clamping rod 21 to move upwards under the action of the second slide block 20, the lower end of the clamping rod 21 is separated from the clamping groove 11, the left bracket 4 can move left and right through the handle 6 under the action of the slide rail 10 and the first slide block 22, the distance between the left bracket 4 and the right bracket 4 is adjusted according to the size of the operation board or the blackboard writing, after the left bracket 4 and the right bracket 4 are adjusted to a proper position, the pull rod 17 is loosened, the lower end of the clamping rod 21 is inserted into the clamping groove 11 again under the action of the reset spring 23, the left bracket 4 is locked and cannot move, the operation board or the blackboard writing is placed on the display board 24, the connecting rod 12 on the lower side moves upwards under the action of the telescopic rod 16, when the connecting rod 12 on the lower side is contacted with the lower wall of the operation board or the operation board writing, the telescopic rod 16 stops working, and the operation board and the blackboard book are firmly fixed on the display board 24.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
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 (5)
1. A differential equation display board comprising a main body (1), characterized in that: the mounting box (3) is connected in the main body (1), the left side and the right side of an inner cavity of the mounting box (3) are respectively connected with a support (4), one side of each of the two supports (4) which is deviated from the other side is connected with a handle (6), the two handles (6) respectively penetrate through the inside of the mounting box (3) and extend to the outer side of the mounting box (3), a first spring (7) is connected between the left end of the left handle (6) and the left wall of the mounting box (3), the lower side of the mounting box (3) is connected with a base (8), a slide rail (10) is arranged on the upper surface of the base (8), clamping grooves (11) are uniformly arranged on the lower wall of the slide rail (10), a first slide block (22) is arranged in the slide rail (10), the first slide block (22) is connected with the slide rail (10) in a sliding manner, the upper side of the first slide block (22) is fixedly connected with the left support (4), left downside fixedly connected with locking Assembly (9), two about support (4) about, both sides all are connected with connecting rod (12), upside between support (4) connecting rod (12) lower wall left and right sides all are connected with trip (14), two trip (14) downside is connected with show board (24), two connecting rod (12) middle part is connected with second spring (13), downside connecting rod (12) are controlled both ends and two lateral wall sliding connection that support (4) are close to mutually, the downside connecting rod (12) middle part below is connected with telescopic link (16), telescopic link (16) are located the inside downside of install bin (3).
2. A differential equation display board according to claim 1, wherein: the universal wheel (15) is installed on the lower side of the main body (1).
3. A differential equation display board according to claim 1, wherein: and one side of each of the two brackets (4) close to each other is connected with a foam protection plate (5).
4. A differential equation display board according to claim 1, wherein: the upper side of the installation box (3) is connected with a dust guard (2).
5. A differential equation display board according to claim 1, wherein: locking Assembly (9) are including fixed block (18), fixed block (18) internal connection has pull rod (17), pull rod (17) run through fixed block (18) inside and extend to fixed block (18) upper wall outside, be connected with reset spring (23) between pull rod (17) upper end and fixed block (18) upper wall, pull rod (17) downside is connected with baffle (19), the baffle (19) left and right sides all is connected with second slider (20), second slider (20) and fixed block (18) inner wall sliding connection, baffle (19) downside is connected with kelly (21), kelly (21) run through fixed block (18) inside and extend to fixed block (18) lower wall outside, kelly (21) lower extreme and draw-in groove (11) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098767.2U CN214386788U (en) | 2020-12-21 | 2020-12-21 | Differential equation display board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098767.2U CN214386788U (en) | 2020-12-21 | 2020-12-21 | Differential equation display board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214386788U true CN214386788U (en) | 2021-10-15 |
Family
ID=78039655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023098767.2U Active CN214386788U (en) | 2020-12-21 | 2020-12-21 | Differential equation display board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214386788U (en) |
-
2020
- 2020-12-21 CN CN202023098767.2U patent/CN214386788U/en active Active
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