CN210227281U

CN210227281U - A multimedia desk for college english listening comprehension teaching

Info

Publication number: CN210227281U
Application number: CN201920816460.XU
Authority: CN
Inventors: Huimin Rong; 荣慧敏; Lili Wang; 王丽莉
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-04-03
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a multimedia desk for college english listening comprehension teaching, including base, support column, elevating system and tilting mechanism, the top of base is fixed with the support column, and the central point at support column top puts the department and installs first pneumatic vaulting pole, linear bearing is passed and is fixed with the layer board on the top of first pneumatic vaulting pole, and the bottom plate bottom fixed connection directly over the top of layer board and the support column, the top cover of support column is equipped with elevating system, and the bottom fixed connection of elevating system's top and layer board, be equipped with multimedia display screen directly over the bottom plate, and the all joints in the bottom plate top of multimedia display screen both sides have the bounding wall, tilting mechanism is all installed at the top of bounding wall. This a multimedia desk for college english listening comprehension teaching has not only enlarged multimedia desk's application scope, has improved multimedia desk's result of use, has strengthened multimedia desk's practicality moreover.

Description

A multimedia desk for college english listening comprehension teaching

Technical Field

The utility model relates to a multimedia desk technical field specifically is a multimedia desk for college english listening comprehension teaching.

Background

In the field of college English teaching, various multimedia devices are frequently used, and a special classroom and a matched multimedia desk are set up for many colleges to assist students in English listening practice.

However, the existing multimedia desk still has certain problems, and the specific problems are as follows:

1. the general multimedia desk has a relatively fixed integral structure, and the height of the desk cannot be flexibly adjusted, so that the problem that the height of the desk is not matched with that of a student often exists, and the application range of the desk has defects;

2. aiming at a desk integrating part of multimedia equipment, the existing desk is difficult to realize the functions of storing and releasing the multimedia equipment and adjusting the angle, so that the height and the angle of a table top are not suitable, and the using effect is greatly reduced;

3. the width of the desktop of a common multimedia desk is relatively fixed, and the desktop cannot be widened according to actual needs, so that the practicability of the multimedia desk is poor.

Disclosure of Invention

An object of the utility model is to provide a multimedia desk for college english listening comprehension teaching to solve the application scope of proposing the device among the above-mentioned background art narrower, the result of use is relatively poor and the relatively poor problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multimedia desk for college english listening comprehension teaching, includes base, support column, elevating system and tilting mechanism, the top of base is fixed with the support column, and the central point department of putting at support column top installs first pneumatic vaulting pole, linear bearing is passed and the layer board is fixed with on the top of first pneumatic vaulting pole, and the bottom plate bottom fixed connection directly over the top of layer board and the support column, the top cover of support column is equipped with elevating system, and the bottom fixed connection of elevating system's top and layer board, be equipped with the multimedia display screen directly over the bottom plate, and the all joints in bottom plate top of multimedia display screen both sides have the bounding wall, tilting mechanism is all installed at the top of bounding wall to mutual block between 2 tilting mechanism.

Preferably, elevating system is equipped with external screw thread, swivel nut and spanner snap ring from inside to outside in proper order, is equipped with the external screw thread on the lateral wall at support column top, and the mutual screw thread of swivel nut inner wall in external screw thread and the support column outside closes, all welds on two lateral walls of swivel nut has the spanner snap ring.

Preferably, both sides of the top end of the bottom plate are fixed with positioning strips, and the rear sides of the positioning strips are fixedly connected through a cross rod.

Preferably, tilting mechanism from the bottom up is equipped with spacing lug, brace piece and desktop board in proper order, and the equidistant spacing lug that is fixed with on the lateral wall at bounding wall top has a desktop board, and the equidistant spacing in left side on desktop board top articulates has the brace piece, and the one end of brace piece all contacts each other with spacing lug.

Preferably, fixed slats are all installed to the both sides of multimedia display screen bottom, and the rear side of fixed slat all hinges mutually through the front side of 2 connecting rods with the location slat.

Preferably, the front side of the cross bar is symmetrically hinged with 2 second pneumatic support rods, and the top ends of the second pneumatic support rods are hinged with the connecting rods on the front side of the fixed lath.

Compared with the prior art, the beneficial effects of the utility model are that: the multimedia desk for college English listening comprehension teaching not only enlarges the application range of the multimedia desk, improves the use effect of the multimedia desk, but also enhances the practical performance of the multimedia desk;

1. the first pneumatic support rod is arranged at the top of the support column, the top end of the first pneumatic support rod penetrates through the linear bearing and fixes the supporting plate, the lifting mechanism is sleeved at the top of the support column, and external threads, a threaded sleeve and a wrench clamping ring are arranged inside the lifting mechanism, so that the function of adjusting the overall height of the multimedia desk is realized, and the application range of the multimedia desk is expanded;

2. the top end of the bottom plate is fixedly provided with the positioning battens, the cross rods are connected among the positioning battens, the front sides of the cross rods are hinged with the second pneumatic support rods, the multimedia display screen is arranged right above the bottom plate, the bottom ends of the multimedia display screen are provided with the fixing battens, and the rear sides of the fixing battens are provided with the connecting rods, so that the functions of convenient folding and unfolding and angle adjustment of the multimedia desk are realized, and the using effect of the multimedia desk is improved;

3. the enclosing plates are clamped at the tops of the bottom plates, the turnover mechanism is installed at the tops of the enclosing plates, and the limiting lugs, the supporting pieces and the desktop plate are arranged in the turnover mechanism, so that the functions of width adjustment and internal protection of the multimedia desk are realized, and the practicability of the multimedia desk is enhanced.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the present invention in a folded state;

fig. 3 is a schematic view of the partial cross-sectional structure of the present invention;

fig. 4 is a schematic view of a partial top view structure of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a lifting mechanism; 301. an external thread; 302. a threaded sleeve; 303. a wrench snap ring; 4. a support plate; 5. a base plate; 6. enclosing plates; 7. a turnover mechanism; 701. a limiting bump; 702. supporting a piece; 703. a table top plate; 8. a multimedia display screen; 9. fixing the ribbon board; 10. a linear bearing; 11. a first pneumatic strut; 12. a connecting rod; 13. positioning the lath; 14. a second pneumatic strut; 15. a cross bar.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a multimedia desk for college english listening comprehension teaching, the on-line screen storage device comprises a base 1, support column 2, elevating system 3 and tilting mechanism 7, base 1's top is fixed with support column 2, and the central point at support column 2 top puts the department and installs first pneumatic vaulting pole 11, linear bearing 10 is passed and be fixed with layer board 4 on the top of first

pneumatic vaulting pole

11, and 5 bottom fixed connection of bottom plate directly over the top of layer board 4 and support column 2, the top cover of support column 2 is equipped with elevating system 3, and the top of elevating system 3 and the bottom fixed connection of layer board 4, be equipped with multimedia display screen 8 directly over

bottom plate

5, and 5 tops of bottom plate of 8 both sides of multimedia display screen all joint have bounding wall 6, tilting mechanism 7 is all installed at the top of bounding wall 6, and mutual block between 2 tilting mechanism.

As shown in fig. 1, the lifting mechanism 3 is provided with an external thread 301, a threaded sleeve 302 and a wrench snap ring 303 in sequence from inside to outside, the external thread 301 is provided on the outer side wall of the top of the support pillar 2, the external thread 301 is screwed with the inner wall of the threaded sleeve 302 on the outer side of the support pillar 2, and the wrench snap ring 303 is welded on both outer side walls of the threaded sleeve 302;

during the use, both hands are held spanner snap ring 303, then to anticlockwise rotation, and then swivel nut 302 rises under the effect of external screw thread 301 in step to jack-up layer board 4, make the whole height-rising of bottom plate 5 then, on the contrary, clockwise rotation swivel nut 302 makes the whole decline of bottom plate 5.

As shown in fig. 4, the positioning strips 13 are fixed on both sides of the top end of the bottom plate 5, and the rear sides of the positioning strips 13 are fixedly connected through a cross bar 15 for fixed installation.

As shown in fig. 1, the turnover mechanism 7 is provided with a limiting bump 701, a supporting piece 702 and a desktop plate 703 in sequence from bottom to top, the limiting bump 701 is fixed on the outer side wall of the top of the enclosing plate 6 at equal intervals, the desktop plate 703 is hinged to the top end of the enclosing plate 6, the supporting piece 702 is hinged to the left side of the top end of the desktop plate 703 at equal intervals, and one end of the supporting piece 702 is contacted with the limiting bump 701;

during the use, 2 desktop boards 703 are opened to make it rotate 180 to the outside, then place the brace 702 on the spacing lug 701 top that corresponds, can make 2 desktop boards 703 keep the level through this structure to enlarge the scope of whole desktop, after accomplishing the use, make 2 desktop boards 703 block that resets, protect equipment such as its inside multimedia display screen 8.

As shown in fig. 3, the fixed slats 9 are mounted on both sides of the bottom end of the multimedia display 8, and the rear sides of the fixed slats 9 are hinged to the front sides of the positioning slats 13 through 2 connecting rods 12, so as to coordinate the relative positions of the fixed slats 9 and the positioning slats 13 and avoid deviation in the lifting process.

As shown in fig. 4, the front side of the cross bar 15 is symmetrically hinged with 2 second pneumatic support rods 14, and the top ends of the second pneumatic support rods 14 are hinged with the connecting rods 12 at the front side of the fixed slat 9 for maintaining the relative height and angle of the multimedia display screen 8.

The working principle is as follows: when the multimedia desk is used, firstly, the relative height of the multimedia desk is adjusted through the lifting mechanism 3, when the multimedia desk needs to be adjusted to be high, the wrench snap ring 303 is held by two hands, then the wrench snap ring 303 rotates anticlockwise, the threaded sleeve 302 synchronously rises under the action of the external threads 301, so that the supporting plate 4 is jacked up, the overall height of the bottom plate 5 is further raised, otherwise, the threaded sleeve 302 rotates clockwise, so that the bottom plate 5 is integrally lowered, in the process, the first pneumatic stay bar 11 synchronously extends or contracts to be matched with the constraint action of the linear bearing 10, the problems that the lifting mechanism 3 deviates or falls off and the like are avoided, then, 2 desktop plates 703 are opened, so that the desktop plates are rotated outwards by 180 degrees, then the supporting piece 702 is placed at the top end of the corresponding limiting bump 701, so that the 2 desktop plates 703 can be kept horizontal through the structure, the range of the whole desktop is expanded, then the, the second pneumatic supporting rod 14 is unlocked, then the second pneumatic supporting rod is lifted up continuously, the connecting rod 12 and the second pneumatic supporting rod 14 are turned upwards synchronously until the multimedia display screen 8 is at a proper height and inclination angle, at the moment, the two hands are released, the second pneumatic supporting rod 14 is locked automatically, the multimedia display screen 8 maintains the relative position, and finally all work of the multimedia desk for college English listening comprehension teaching is completed.

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

1. The utility model provides a multimedia desk for college english listening comprehension teaching, includes base (1), support column (2), elevating system (3) and tilting mechanism (7), its characterized in that: the top of base (1) is fixed with support column (2), and the central point at support column (2) top puts the department and installs first pneumatic vaulting pole (11), linear bearing (10) are passed and be fixed with layer board (4) on the top of first pneumatic vaulting pole (11), and bottom plate (5) bottom fixed connection directly over the top of layer board (4) and support column (2), the top cover of support column (2) is equipped with elevating system (3), and the top of elevating system (3) and the bottom fixed connection of layer board (4), be equipped with multimedia display screen (8) directly over bottom plate (5), and the equal joint in bottom plate (5) top of multimedia display screen (8) both sides has bounding wall (6), tilting mechanism (7) are all installed at the top of bounding wall (6) to mutual block between 2 tilting mechanism (7).

2. The multimedia desk for college english listening comprehension teaching of claim 1, wherein: elevating system (3) are equipped with external screw thread (301), swivel nut (302) and spanner snap ring (303) from inside to outside in proper order, are equipped with external screw thread (301) on the lateral wall at support column (2) top, and the mutual silk of swivel nut (302) inner wall in external screw thread (301) and support column (2) outside closes, all welds on two lateral walls of swivel nut (302) and has spanner snap ring (303).

3. The multimedia desk for college english listening comprehension teaching of claim 1, wherein: both sides on bottom plate (5) top all are fixed with location slat (13), and the rear side between location slat (13) passes through horizontal pole (15) fixed connection.

4. The multimedia desk for college english listening comprehension teaching of claim 1, wherein: tilting mechanism (7) from the bottom up is equipped with spacing lug (701), brace (702) and desktop board (703) in proper order, and equidistant spacing lug (701) of being fixed with on the lateral wall at bounding wall (6) top, and the top of bounding wall (6) articulates there is desktop board (703), and equidistant the articulating in left side on desktop board (703) top has brace (702), and the one end of brace (702) all contacts each other with spacing lug (701).

5. The multimedia desk for college English listening teaching of claim 3, wherein: fixed slat (9) are all installed to the both sides of multimedia display screen (8) bottom, and the rear side of fixed slat (9) all hinges mutually through the front side of 2 connecting rods (12) and location slat (13).

6. The multimedia desk for college English listening teaching of claim 5, wherein: the front side of the cross rod (15) is symmetrically hinged with 2 second pneumatic support rods (14), and the top ends of the second pneumatic support rods (14) are hinged with a connecting rod (12) on the front side of the fixed slat (9).