CN209765826U - Portable english teaching show shelf - Google Patents
Portable english teaching show shelf Download PDFInfo
- Publication number
- CN209765826U CN209765826U CN201920243578.8U CN201920243578U CN209765826U CN 209765826 U CN209765826 U CN 209765826U CN 201920243578 U CN201920243578 U CN 201920243578U CN 209765826 U CN209765826 U CN 209765826U
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- China
- Prior art keywords
- base
- vertical part
- english teaching
- display stand
- supporting legs
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Abstract
The utility model discloses a movable English teaching display rack, which comprises a base, a main teaching board and a height adjusting device arranged on the base and used for supporting the main teaching board, wherein a through groove is arranged inside the main teaching board, and the inside of the through groove is bilaterally and symmetrically connected with a display board in a sliding manner; the bottom of the base is provided with a movable wheel, and the front side and the rear side of the base are symmetrically provided with supporting legs; the supporting legs are L-shaped and comprise a horizontal part and a vertical part which are vertically connected, one end of the horizontal part, which is far away from the vertical part, is rotatably connected to the base through a pin shaft, and the pin shaft is arranged in parallel with the vertical part; the vertical part is provided with a lead screw, the lead screw vertically penetrates through the vertical part and is in threaded connection with the vertical part, and the bottom of the lead screw is provided with a supporting plate. The utility model provides a portable english teaching show shelf, it removes conveniently, is favorable to improving teaching efficiency.
Description
Technical Field
The utility model relates to an english teaching aid especially relates to a portable english teaching show shelf.
Background
English is the most widely used language in the world, and has become a necessary lesson in every school in China; display stands are often used in English teaching, and the existing display stands have various structures; the patent CN 208460247U discloses an adjustable teaching board for English teaching, which comprises a fixed base, wherein a height adjusting device is fixedly connected above the fixed base in a bilateral symmetry manner, a main teaching board is fixedly connected above the height adjusting device, a through groove is formed in the main teaching board, display boards are connected in the through groove in a bilateral symmetry manner in a sliding manner, a reset spring is fixedly connected between the display board on the left side and the display board on the right side, a threaded hole is formed in the middle part below the main teaching board, an adjusting screw rod is rotatably connected in the middle part of the threaded hole, the top of the adjusting screw rod is rotatably connected with a mounting substrate, and a first hinge is fixedly connected above the mounting substrate; can free adjusting device height when using above-mentioned show shelf, and then adapt to different high demands, show shelf both sides panel can stretch out in addition for the teaching area can increase. However, the display rack is of a fixed base structure, and when the display rack is moved, a plurality of people are required to carry the display rack, or a moving device is required, so that the display rack is very inconvenient to move.
Therefore, in view of the above technical problems, there is a need for an english teaching display rack with convenient movement.
SUMMERY OF THE UTILITY MODEL
in view of this, the utility model aims at providing a portable english teaching show shelf, it removes conveniently, is favorable to improving teaching efficiency.
The utility model discloses a portable english teaching show shelf, including base, main teaching board and establish the height adjusting device who is used for supporting main teaching board on the base, the inside logical groove of having seted up of main teaching board, the inside bilateral symmetry sliding connection of logical groove has the panel; the bottom of the base is provided with a movable wheel, and the front side and the rear side of the base are symmetrically provided with supporting legs; the supporting legs are L-shaped and comprise a horizontal part and a vertical part which are vertically connected, one end of the horizontal part, which is far away from the vertical part, is rotatably connected to the base through a pin shaft, and the pin shaft is arranged in parallel with the vertical part; the vertical part is provided with a lead screw, the lead screw vertically penetrates through the vertical part and is in threaded connection with the vertical part, and the bottom of the lead screw is provided with a supporting plate.
As a further improvement to the technical scheme, the front side and the rear side of the base are both provided with mounting lugs, and one end of the horizontal part extends into the mounting lugs and is positioned through a pin shaft.
As a further improvement to the technical scheme, a rotating handle is arranged at the top of the screw rod.
As a further improvement to the technical scheme, the bottom of the supporting plate is provided with a non-slip mat.
as a further improvement to the technical scheme, the movable wheel comprises a fixed caster wheel arranged on one side of the bottom of the base and a universal caster wheel arranged on the other side of the bottom of the base.
As a further improvement to the technical scheme, the base is provided with a level gauge.
As a further improvement to the technical scheme, the supporting legs are made of metal materials, and the front side and the rear side of the base are respectively provided with an attraction surface which is used for attracting the supporting legs magnetically.
As the further improvement to above-mentioned technical scheme, it is left fixedly connected with reset spring between panel on panel and right side, main teaching board below middle part set up threaded hole, the screw hole middle part is rotated and is connected with adjusting screw, the adjusting screw top is rotated and is connected with mounting substrate, the first hinge of mounting substrate top fixedly connected with, first hinge top bilateral symmetry fixedly connected with transmission sloping pole, the inside equal fixedly connected with second hinge of panel, the second hinge rotates with the transmission sloping pole and is connected.
As a further improvement to the above technical solution, the height adjusting device includes a fixed support sleeve, a sliding rod is slidably connected inside the fixed support sleeve, a fixing bolt is connected to a side wall of the fixed support sleeve through a thread, and the fixing bolt passes through the fixed support sleeve to be matched with the sliding rod.
Through the above disclosure, the present invention has the following beneficial technical effects:
The movable English teaching display rack of the utility model has the advantages that the movable wheels are arranged at the bottom of the base, so that the display rack is convenient to move, and the teaching efficiency is improved; in addition, the supporting legs are arranged on the front side and the rear side of the base, when the showing stand is required to be positioned, the supporting legs are unfolded to be perpendicular to the base by taking the pin shaft as the circle center, then the screw rod is screwed to move the screw rod downwards, the supporting plate is fully contacted with the ground, and the moving wheel is pushed to be away from the ground, so that the positioning stability of the showing stand is effectively improved.
Drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a top view of the present invention;
Fig. 3 is a top view of the present invention when the support legs are unfolded.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention. Moreover, the drawings are in simplified form and are not to scale, but rather are provided for convenience and clarity in describing the embodiments of the invention.
As shown in fig. 1 to 3: the movable English teaching display stand comprises a base 1, a main teaching board 2 and a height adjusting device arranged on the base 1 and used for supporting the main teaching board 2, wherein a through groove 3 is formed in the main teaching board 2, and display boards 4 are connected to the inside of the through groove 3 in a bilateral-symmetric sliding mode; the bottom of the base 1 is provided with a moving wheel, and the front side and the rear side of the base 1 are symmetrically provided with supporting legs 5; the supporting leg 5 is L-shaped and comprises a horizontal part 5a and a vertical part 5b which are vertically connected, one end of the horizontal part 5a, which is far away from the vertical part 5b, is rotatably connected to the base 1 through a pin shaft 6, and the pin shaft 6 is arranged in parallel with the vertical part 5 b; the vertical part 5b is provided with a lead screw 7, the lead screw 7 vertically penetrates through the vertical part 5b and is in threaded connection with the vertical part 5b, and the bottom of the lead screw 7 is provided with a supporting plate 8.
The movable English teaching demonstration shelf of the embodiment is improved on the basis of an adjustable teaching board for English teaching disclosed in patent CN 208460247U, so that the structures of the movable English teaching demonstration shelf, such as the main teaching board 2 and the height adjusting device, which are the same are not described again; the portable english teaching show shelf of this embodiment also can realize that both sides panel 4 freely stretches out and freely adjusts main teaching board 2 height, and is left fixedly connected with reset spring 9 between panel 4 on panel 4 and the right side, screw hole is seted up at main teaching board 2 below middle part, screw hole middle part is rotated and is connected with adjusting screw 10, adjusting screw 10 top is rotated and is connected with mounting substrate 11, mounting substrate 11 top fixedly connected with first hinge 12, first hinge 12 top bilateral symmetry fixedly connected with transmission down tube 13, panel 4 inside all fixedly connected with second hinge 14, second hinge 14 and transmission down tube 13 rotate and are connected, simultaneously the height adjusting device includes fixed support cover 15, fixed support cover 15 inside sliding connection has litter 16, fixed support cover 15 lateral wall threaded connection has fixing bolt 17, the fixing bolt 17 passes through the fixed support sleeve 15 to be matched with the slide rod 16.
The movable English teaching display rack has the main improvement that the display rack is convenient to move due to the fact that the movable wheels are arranged at the bottom of the base 1, and teaching efficiency is improved; in addition, both sides have all set up supporting leg 5 around the base 1, when needs location show shelf, expand each supporting leg 5 to with base 1 vertical state with round pin axle 6 as the centre of a circle, then twist and move lead screw 7 and make lead screw 7 move down, make backup pad 8 and ground fully contact and will remove the wheel top and leave ground to the stability of show shelf location has effectively been improved.
In this embodiment, the moving wheels may include two fixed casters 18 disposed on one side of the bottom of the base 1 and two universal casters 19 disposed on the other side of the bottom of the base 1, the fixed casters 18 are beneficial to maintaining the moving direction, the universal casters 19 are beneficial to flexibly adjusting the moving direction, the two fixed casters 18 may be disposed on the left side of the base 1, and the two universal casters 19 may be disposed on the right side of the base 1; the moving wheels may be mounted by existing wheel carriers.
In this embodiment, the front side and the rear side of the base 1 are both provided with mounting lugs 20, and one end of the horizontal part 5a extends into the mounting lugs 20 and is positioned by a pin shaft 6; supporting leg 5 sets up four altogether, and two supporting legs 5 are located the front side, and two other supporting legs 5 are located the rear side, and two supporting legs 5 symmetries of front side set up, and two supporting legs 5 also symmetries of rear side set up, and two sets of supporting legs 5 are the symmetry setting around moreover. The top of the screw rod 7 is provided with a rotating handle 22 so as to operate the screw rod 7; in the moving state, the support plate 8 is arranged away from the ground to prevent interference with the moving wheel; in the positioning state, the supporting plate 8 is contacted with the bottom surface, and the moving wheel is in the off-ground state; in order to improve the stability of the supporting plate 8, the bottom of the supporting plate 8 is provided with a non-slip mat 23, and the non-slip mat 23 may be a rubber mat structure, for example. In addition, in order to adjust the levelness of the base 1, a level 24 is further arranged on the base 1, and the level 24 can be of a bubble type structure, so that the use is convenient and the cost is low; the base 1 may be provided with a special placement groove for positioning the level 24.
In this embodiment, the supporting legs 5 are made of metal material, and the front side and the rear side of the base 1 are both provided with an attraction surface (not shown in the figure) for magnetically attracting the supporting legs 5; the attraction face can be, for example, a thin layer structure made of magnetic material and having a thickness of 3mm, the thin layer structure is fixed on the front side and the rear side of the base 1 and is arranged corresponding to the supporting legs 5, and the attraction face can magnetically attract the supporting legs 5 when the supporting legs 5 are not needed to be used for supporting, so that the supporting legs 5 are prevented from interfering with the movement of the display rack.
the above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. A movable English teaching display stand comprises a base, a main teaching board and a height adjusting device arranged on the base and used for supporting the main teaching board, wherein a through groove is formed in the main teaching board, and display boards are connected in a sliding mode in the through groove in a bilateral symmetry mode; the method is characterized in that:
The bottom of the base is provided with a movable wheel, and the front side and the rear side of the base are symmetrically provided with supporting legs; the supporting legs are L-shaped and comprise a horizontal part and a vertical part which are vertically connected, one end of the horizontal part, which is far away from the vertical part, is rotatably connected to the base through a pin shaft, and the pin shaft is arranged in parallel with the vertical part; the vertical part is provided with a lead screw, the lead screw vertically penetrates through the vertical part and is in threaded connection with the vertical part, and the bottom of the lead screw is provided with a supporting plate.
2. The mobile English teaching display stand of claim 1, wherein: the front side and the rear side of base all are equipped with the installation ear, the one end of horizontal part stretches into in the installation ear and through the round pin axle location.
3. The mobile English teaching display stand of claim 1, wherein: and a rotating handle is arranged at the top of the screw rod.
4. The mobile English teaching display stand of claim 1, wherein: and the bottom of the supporting plate is provided with an anti-slip pad.
5. The mobile English teaching display stand of claim 1, wherein: the movable wheel comprises a fixed caster wheel arranged on one side of the bottom of the base and a universal caster wheel arranged on the other side of the bottom of the base.
6. The mobile English teaching display stand of claim 1, wherein: the base is provided with a level gauge.
7. The mobile English teaching display stand of claim 1, wherein: the supporting legs are made of metal materials, and the front side and the rear side of the base are provided with attraction surfaces which are used for attracting the supporting legs in a magnetic mode.
8. The mobile English teaching display stand of any one of claims 1 to 7, wherein: it is left fixedly connected with reset spring between panel on panel and right side, main teaching board below middle part set up threaded hole, the screw hole middle part is rotated and is connected with adjusting screw, the adjusting screw top is rotated and is connected with mounting substrate, the first hinge of mounting substrate top fixedly connected with, first hinge top bilateral symmetry fixedly connected with transmission down tube, the inside equal fixedly connected with second hinge of panel, the second hinge rotates with the transmission down tube and is connected.
9. The mobile English teaching display stand of any one of claims 1 to 7, wherein: the height adjusting device comprises a fixed support sleeve, a sliding rod is connected inside the fixed support sleeve in a sliding mode, a fixing bolt is connected to the side wall of the fixed support sleeve in a threaded mode, and the fixing bolt penetrates through the fixed support sleeve to be matched with the sliding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243578.8U CN209765826U (en) | 2019-02-26 | 2019-02-26 | Portable english teaching show shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243578.8U CN209765826U (en) | 2019-02-26 | 2019-02-26 | Portable english teaching show shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765826U true CN209765826U (en) | 2019-12-10 |
Family
ID=68752723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920243578.8U Expired - Fee Related CN209765826U (en) | 2019-02-26 | 2019-02-26 | Portable english teaching show shelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765826U (en) |
-
2019
- 2019-02-26 CN CN201920243578.8U patent/CN209765826U/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 |
Granted publication date: 20191210 Termination date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |