CN214197870U

CN214197870U - Information-based teaching display rack

Info

Publication number: CN214197870U
Application number: CN202023031113.8U
Authority: CN
Inventors: 邱进南; 沈彩芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-14
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a show shelf is used in information-based teaching belongs to the teaching equipment field. The utility model provides a show shelf is used in information-based teaching, which comprises a fixed base, the fixing base front side is equipped with the base that is the L type, base front side below is equipped with splint A, two slides of symmetrical structure fixed connection about the base antetheca is, the base front side still is the type of falling T structure and is equipped with three limiting plate, the anterior inboard of limiting plate is equipped with splint B, the limiting plate back wall lower part that is located the upside inlays and is equipped with the rack, wall fixedly connected with nut seat behind two limiting plates that are located the downside, threaded connection has double-thread screw between two nut seats. The utility model discloses a rotating the hand wheel and making double threaded screw rotate, double threaded screw rotates and drives the nut seat and remove, and the nut seat drives the limiting plate subtend and extends or shrink for press from both sides the size in chamber adjustable, thereby can fix not unidimensional teaching display, simple structure, convenient to use.

Description

Information-based teaching display rack

Technical Field

The utility model relates to a teaching equipment field, more specifically say, relate to a show shelf is used in information-based teaching.

Background

The information teaching is to apply information technology means in education to digitize all the education links, thereby improving the education quality and efficiency and forming a new education mode adapting to the information social requirement. At present, most of information-based teaching adopts a display to play teaching contents, the work burden of a teacher is lightened while the content richness is improved, the patent document with the publication number of CN211399059U in the prior art provides a display rack for information-based teaching, the device utilizes a box-type frame structure to store a folded display screen into a frame, a luggage-type structure can be formed after a scissors-type lifting mechanism at the lower end of the display rack is folded, the carrying and the moving are convenient and labor-saving, the protection of the display screen is in place, and the carrying and the moving safety are high.

Although the device has more beneficial effects, the following problems still exist: the device can not adapt to teaching displays of different sizes, and occupies large space resources when in use, so that the device is inconvenient. Therefore, it is important to design an information-based teaching display rack which is adaptable to teaching displays of different sizes and saves space.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a show shelf is used in information-based teaching to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A display rack for information teaching comprises a fixed seat, wherein a plurality of expansion bolts are arranged on the fixed seat in a rectangular structure, a base in an L shape is arranged on the front side of the fixed seat, two telescopic assemblies are arranged between the fixed seat and the base, each telescopic assembly comprises a rotating rod, a regulating rod is connected in the front of the rotating rod in a sliding manner, a clamping plate A is arranged below the front side of the base, a plurality of springs A are fixedly connected to the top surface of the lower end of the base, the upper ends of the springs A are fixedly connected with the clamping plate A, the front wall of the base is fixedly connected with two sliding seats in a vertically symmetrical structure, a sliding groove A is formed in the middle of the top surface of each sliding seat, a sliding groove B is formed in the front part of the inner end of each sliding seat, three limiting plates are arranged on the front side of the base in an inverted T-shaped structure, a clamping plate B is arranged on the inner side of the front part of each limiting plate, a plurality of springs B are fixedly connected to the inner wall of the front part of each limiting plate, the outer wall of the clamping plate B is fixedly connected with the spring B, a rack is embedded in the lower portion of the rear wall of the limiting plate, two nut seats are fixedly connected with the rear wall of the limiting plate, two double-threaded screws are connected between the nut seats in a threaded mode, gears are fixedly connected to the middle portions of the double-threaded screws, and hand wheels are fixedly connected to the left ends of the double-threaded screws.

Preferably, the dwang rear end is articulated with the fixing base, adjust pole front end and base articulated.

Preferably, a plurality of ventilation holes are formed in the limiting plate, the limiting plate is located on the upper side and is in sliding connection with the sliding groove A, and the limiting plate is located on the lower side and is in sliding connection with the sliding groove B.

Preferably, the rack is in meshed connection with the gear.

Preferably, the clamping cavity is formed between the clamping plate B and the clamping plate A through clearance fit.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a rotating the hand wheel and making double threaded screw rotate, double threaded screw rotates and drives the nut seat and remove, and the nut seat drives the limiting plate subtend and extends or shrink for press from both sides the size in chamber adjustable, thereby can fix not unidimensional teaching display, simple structure, convenient to use.

2. The utility model discloses an expansion bolts is fixed in the wall with the fixing base to be fixed in whole this device in the wall, compare with current and need not occupy the pavement, save space resources, and can make this device control angularly adjustable, adaptable different environment through flexible and the rotation of flexible subassembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the telescopic assembly and the base structure of the present invention;

fig. 3 is a rear view of the slide carriage structure of the present invention;

fig. 4 is a rear view of the structure of the limiting plate, the double-headed screw and the nut seat of the present invention;

the reference numbers in the figures illustrate: 1. a fixed seat; 2. an expansion bolt; 3. a base; 4. a telescoping assembly; 401. rotating the rod; 402. adjusting a rod; 5. a splint A; 6. a spring A; 7. a slide base; 701. a chute A; 702. a chute B; 8. a limiting plate; 801. a vent hole; 9. a rack; 10. a nut seat; 11. a double-ended screw; 12. a gear; 13. a hand wheel; 14. a splint B; 15. a spring B; 16. a clamping cavity.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

an information teaching display rack comprises a fixed seat 1, a plurality of expansion bolts 2 are arranged on the fixed seat 1 in a rectangular structure, an L-shaped base 3 is arranged on the front side of the fixed seat 1, two telescopic assemblies 4 are arranged between the fixed seat 1 and the base 3, each telescopic assembly 4 comprises a rotating rod 401, an adjusting rod 402 is connected in the front of the rotating rod 401 in a sliding manner, a clamping plate A5 is arranged below the front side of the base 3, a plurality of springs A6 are fixedly connected to the top surface of the lower end of the base 3, the upper end of each spring A6 is fixedly connected with the clamping plate A5, the front wall of the base 3 is fixedly connected with two sliding seats 7 in an up-down symmetrical structure, a sliding groove A701 is formed in the middle of the top surface of each sliding seat 7, a sliding groove B702 is formed in the front part of the inner end of each sliding seat 7, three limiting plates 8 are arranged on the front side of the base in an inverted T-shaped structure, a clamping plate B14 is arranged on the inner side of the front part of each limiting plate 8, a plurality of springs B15 are fixedly connected with the springs B14, the outer wall of each clamping plate B15, the rack 9 is embedded in the lower portion of the rear wall of the limiting plate 8 positioned on the upper side, the nut seats 10 are fixedly connected with the rear walls of the two limiting plates 8 positioned on the lower side, a double-threaded screw 11 is connected between the two nut seats 10 in a threaded mode, a gear 12 is fixedly connected to the middle of the double-threaded screw 11, and a hand wheel 13 is fixedly connected to the left end of the double-threaded screw 11. The utility model discloses a rotating hand wheel 13 makes double-end screw 11 rotate, double-end screw 11 rotates and drives nut seat 10 and remove, nut seat 10 drives 8 subtend extension or the shrink of limiting plate, make the size of pressing from both sides chamber 16 adjustable, thereby can fix not unidimensional teaching display, be fixed in the wall with fixing base 1 through expansion bolts 2, thereby be fixed in whole this device in the wall, compare with the current and need not occupy the pavement, save space resources, and can make this device control angularly adjustable through flexible and rotation of flexible subassembly 4, adaptable different environment.

Specifically, the rear end of the rotating rod 401 is hinged to the fixed seat 1, and the front end of the adjusting rod 402 is hinged to the base 3. By adjusting the rotation of the two rotation levers 401 and the extension and contraction of the adjustment lever 402, the base 3 and the structure on the front side of the base 3 can be rotated in the horizontal direction.

Furthermore, a plurality of vent holes 801 are formed in the limiting plate 8, the limiting plate 8 located on the upper side is connected with the sliding chute a701 in a sliding mode, and the limiting plate 8 located on the lower side is connected with the sliding chute B702 in a sliding mode. The vent 801 facilitates heat dissipation of the display during long-term use, and the upper limiting plate 8 moves downward and the lower limiting plate 8 moves inward so that the clamping plate B14 cooperates with the clamping plate a5 to clamp the display.

Still further, the rack 9 is in meshed connection with the gear 12.

Further, the clamp cavity 16 is formed by a clearance fit between the clamp plate B14 and the clamp plate a 5.

The working principle is as follows: when the utility model is used, the fixing seat 1 is firstly placed on the wall surface, the fixing seat 1 is fixed with the wall surface through the expansion bolt 2, the clamping cavity 16 in the default state of the device is the maximum size, when the teaching display is clamped, the teaching display is placed on the clamping plate A5, the hand wheel 13 is rotated, the hand wheel 13 drives the double-head screw 11 to rotate, the double-head screw 11 drives the nut seats 10 at both ends to move, as the nut seats 10 are fixedly connected with the limiting plate 8 at the lower side, the two limiting plates 8 at the lower side slide groove B702 of the slide seat 7 slide towards the inner side, the gear 12 is arranged at the middle part of the double-head screw 11, the gear 12 is meshed and connected with the rack 9 at the rear wall of the limiting plate 8 at the upper side, the gear 12 rotates to drive the rack 9 to move downwards, thereby the limiting plate 8 at the upper side slides downwards in the slide groove A701, thereby the caliber of the clamping cavity 16 becomes smaller to clamp the teaching display, the spring A6 that is connected with splint A5 and the spring B15 that is connected with splint B14 make the teaching display who is pressed from both sides tightly receive and to alleviate vibrations when rocking, through the rotation of adjusting two dwang 401 and the flexible of adjusting pole 402 for the structure of base 3 and base 3 front side can carry out the rotation of horizontal direction, in order to adapt to different service environment.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a show shelf is used in information-based teaching, includes fixing base (1), its characterized in that: the fixing base is characterized in that a plurality of expansion bolts (2) are arranged on the fixing base (1) in a rectangular structure, the front side of the fixing base (1) is provided with a base (3) in an L shape, two telescopic assemblies (4) are arranged between the fixing base (1) and the base (3), each telescopic assembly (4) comprises a rotating rod (401), an adjusting rod (402) is slidably connected in the front of the rotating rod (401), a clamp plate A (5) is arranged below the front side of the base (3), a plurality of springs A (6) are fixedly connected to the top surface of the lower end of the base (3), the upper ends of the springs A (6) are fixedly connected with the clamp plate A (5), the front wall of the base (3) is fixedly connected with two sliding seats (7) in an up-down symmetrical structure, a sliding groove A (701) is formed in the middle of the top surface of the sliding seat (7), a sliding groove B (702) is formed in the front portion of the, the utility model discloses a quick-witted, including limiting plate (8), anterior inboard is equipped with splint B (14), a plurality of spring B (15) of the anterior inner wall fixedly connected with of limiting plate (8), splint B (14) outer wall is connected fixedly with spring B (15), is located the upside limiting plate (8) back wall lower part inlays and is equipped with rack (9), two that are located the downside limiting plate (8) back wall fixedly connected with nut seat (10), two threaded connection has double threaded screw (11) between nut seat (10), double threaded screw (11) middle part fixedly connected with gear (12), double threaded screw (11) left end fixedly connected with hand wheel (13).

2. The display stand for informatization teaching according to claim 1, characterized in that: dwang (401) rear end is articulated with fixing base (1), it is articulated with base (3) to adjust pole (402) front end.

3. The display stand for informatization teaching according to claim 1, characterized in that: a plurality of vent holes (801) are formed in the limiting plate (8), the limiting plate (8) is located on the upper side and is in sliding connection with the sliding groove A (701), and the limiting plate (8) located on the lower side is in sliding connection with the sliding groove B (702).

4. The display stand for informatization teaching according to claim 1, characterized in that: the rack (9) is meshed with the gear (12).

5. The display stand for informatization teaching according to claim 1, characterized in that: the clamping cavity (16) is formed between the clamping plate B (14) and the clamping plate A (5) through clearance fit.