CN214279258U - Display device is used in vocal music teaching - Google Patents

Abstract

The utility model discloses a display device is used in vocal music teaching, the power distribution box comprises a box body, the equal fixedly connected with gyro wheel in four corners of bottom half, the first show board of rear end fixedly connected with at box top, there is the chamber door in the front of box through hinge swing joint, the positive right side fixed mounting of chamber door has the lock, the sliding tray has all been seted up to the both sides of box top front end, the first bearing of left side fixedly connected with of box inner wall. The utility model discloses a set up chamber door, lock, sliding tray, first bearing, positive and negative threaded rod, knob, chucking mechanism, thread block, slide bar, second show board, second bearing, spout and slider and mutually support, reached the advantage to the adjustable usable floor area of display device, make display device when using, can effectual increase display device's show area, can satisfy vocal music mr's teaching user demand, improved display device's bandwagon effect simultaneously.

Description

Display device is used in vocal music teaching

Technical Field

The utility model relates to a vocal music teaching technical field specifically is a display device is used in vocal music teaching.

Background

Vocal music teacher when carrying out vocal music teaching to the student, need use display device, present display device has following shortcoming at present: the existing display device does not have the function of adjusting the use area, so that the display device is used, the display area of the display device is fixed and not adjustable, the use requirement of a vocal teacher cannot be met when the display device is used, and the display effect of the display device is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device is used in vocal music teaching possesses the advantage to the adjustable usable floor area of display device, has solved current display device and has not had the function of adjustable usable floor area, leads to display device when using, because display device's display floor area is fixed unadjustable, causes the problem that display device can not satisfy vocal music mr user demand when using.

In order to achieve the above object, the utility model provides a following technical scheme: a demonstration device for vocal music teaching comprises a box body, wherein four corners of the bottom of the box body are fixedly connected with rollers, the rear end of the top of the box body is fixedly connected with a first display plate, the front of the box body is movably connected with a box door through a hinge, a door lock is fixedly arranged on the right side of the front surface of the box door, sliding grooves are respectively arranged on the two sides of the front end of the top of the box body, a first bearing is fixedly connected on the left side of the inner wall of the box body, a positive and negative threaded rod is sleeved in an inner cavity of the first bearing, the right end of the positive and negative threaded rod penetrates to the right side of the box body and is fixedly connected with a knob, the top of the right side of the box body is provided with a clamping mechanism, both sides of the surface of the positive and negative threaded rods are in threaded connection with threaded blocks, the tops of the threaded blocks are fixedly connected with sliding rods, the surface of the sliding rod is connected with the inner cavity of the sliding groove in a sliding mode, and the top of the sliding rod penetrates through the top of the sliding groove and is fixedly connected with a second display board.

Preferably, the right end of the surface of the positive and negative threaded rod is sleeved with a second bearing, and the left side of the second bearing is fixedly connected with the right side of the box body.

Preferably, the sliding grooves are formed in the two sides of the bottom of the inner wall of the box body, the sliding blocks are connected to the inner cavities of the sliding grooves in a sliding mode, and the tops of the sliding blocks are fixedly connected with the bottoms of the thread blocks.

Preferably, the clamping mechanism includes the fixed block, the left side of fixed block and the top fixed connection on box right side, the draw-in groove has been seted up on the surface of knob, there is the fixture block in the front of fixed block through activity round pin swing joint, the one end that the fixed block was kept away from to the fixture block runs through to the inner chamber of draw-in groove.

Preferably, the length and the width of the inner cavity of the sliding groove are both greater than the length and the width of the sliding rod, and the height of the inner cavity of the sliding groove is less than the height of the sliding rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up chamber door, lock, sliding tray, first bearing, positive and negative threaded rod, knob, chucking mechanism, thread block, slide bar, second show board, second bearing, spout and slider and mutually support, reached the advantage to the adjustable usable floor area of display device, make display device when using, can effectual increase display device's show area, can satisfy vocal music mr's teaching user demand, improved display device's bandwagon effect simultaneously.

2. The utility model discloses a set up chamber door and lock, play the effect of convenient maintenance to the part of box inner chamber, through setting up the gyro wheel, play the effect of convenient removal to the box, the mobility of box has been increased, through setting up sliding tray and slide bar, play the effect that conveniently drives the removal of second show board, through setting up first bearing and second bearing, play stable effect when rotating well reverse threaded rod, through setting up chucking mechanism, play the spacing effect of chucking to the knob, through setting up spout and slider, play stable effect when removing to the screw block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the cross section of the internal structure of the case body of the present invention;

fig. 3 is a left side view structure diagram of the present invention.

In the figure: 1. a box body; 2. a roller; 3. a first display board; 4. a box door; 5. a door lock; 6. A sliding groove; 7. a first bearing; 8. a positive and negative threaded rod; 9. a knob; 10. a chucking mechanism; 101. A fixed block; 102. a card slot; 103. a clamping block; 11. a thread block; 12. a slide bar; 13. A second display board; 14. a second bearing; 15. a chute; 16. a slide block.

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 herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a display device for vocal music teaching comprises a box body 1, rollers 2 are fixedly connected to four corners of the bottom of the box body 1, a first display plate 3 is fixedly connected to the rear end of the top of the box body 1, a box door 4 is movably connected to the front of the box body 1 through a hinge, a door lock 5 is fixedly installed on the right side of the front of the box door 4, sliding grooves 6 are respectively formed on two sides of the front end of the top of the box body 1, a first bearing 7 is fixedly connected to the left side of the inner wall of the box body 1, a positive and negative threaded rod 8 is sleeved in an inner cavity of the first bearing 7, the right end of the positive and negative threaded rod 8 penetrates to the right side of the box body 1 and is fixedly connected with a knob 9, a clamping mechanism 10 is arranged on the top of the right side of the box body 1, threaded blocks 11 are respectively connected to two sides of the surface of the positive and negative threaded rod 8, a sliding rod 12 is fixedly connected to the top of the threaded blocks 11, and the surface of the sliding rod is slidably connected with the inner cavity of the sliding grooves 6, the top of the sliding rod 12 penetrates to the top of the sliding groove 6 and is fixedly connected with a second display board 13, the right end of the surface of the positive and negative threaded rod 8 is sleeved with a second bearing 14, the left side of the second bearing 14 is fixedly connected with the right side of the box body 1, sliding grooves 15 are formed in two sides of the bottom of the inner wall of the box body 1, a sliding block 16 is connected to the inner cavity of each sliding groove 15 in a sliding manner, the top of each sliding block 16 is fixedly connected with the bottom of each threaded block 11, each clamping mechanism 10 comprises a fixed block 101, the left side of each fixed block 101 is fixedly connected with the top of the right side of the box body 1, a clamping groove 102 is formed in the surface of the knob 9, a clamping block 103 is movably connected to the front of the fixed block 101 through a movable pin, one end, far away from the fixed block 101, of each clamping block 103 penetrates to the inner cavity of the clamping groove 102, the length and the width of the inner cavity of the sliding groove 6 are both greater than the length and the width of the sliding rod 12, and the height of the inner cavity of the sliding groove 6 is less than the height of the sliding rod 12, by arranging the box door 4 and the door lock 5, the inner cavity of the box body 1 is maintained conveniently, the box body 1 is moved conveniently by arranging the idler wheels 2, the mobility of the box body 1 is improved, the sliding groove 6 and the sliding rod 12 are arranged, the second display plate 13 is driven conveniently to move, the positive and negative threaded rod 8 is rotated stably by arranging the first bearing 7 and the second bearing 14, the knob 9 is clamped and limited by arranging the clamping mechanism 10, the threaded block 11 is moved stably by arranging the sliding groove 15 and the sliding block 16, the box door 4, the door lock 5, the sliding groove 6, the first bearing 7, the positive and negative threaded rod 8, the knob 9, the clamping mechanism 10, the threaded block 11, the sliding rod 12, the second display plate 13, the second bearing 14, the sliding groove 15 and the sliding block 16 are matched with each other, the advantage to the adjustable usable floor area of display device has been reached, makes display device when using, and the teaching user demand that can effectual increase display device can satisfy vocal teacher can have improved display device's bandwagon effect simultaneously.

During the use, at first stimulate fixture block 103, make fixture block 103 leave the inner chamber of draw-in groove 102 through the removable pin, then rotate knob 9, knob 9 rotates and drives positive and negative threaded rod 8 and begin to rotate at the inner chamber of first bearing 7 and second bearing 14, make positive and negative threaded rod 8 rotate stably, positive and negative threaded rod 8 rotates and drives two screw blocks 11 and move to the outside through positive and negative screw thread simultaneously, screw block 11 moves and drives slider 16 and slide at the inner chamber of spout 15, make screw block 11 move stably, screw block 11 moves and drives slide bar 12 and slide at the inner chamber of sliding tray 6 simultaneously, slide bar 12 moves and drives second show board 13 and move to the outside simultaneously, make first show board 3 and two second show boards 13 can use simultaneously, can effectual increase display device's area, thereby reached the advantage to the adjustable usable floor area of display device.

The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file simultaneously all can purchase from the market, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model among the prior art.

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. The utility model provides a display device is used in vocal music teaching, includes box (1), its characterized in that: the four corners of the bottom of the box body (1) are fixedly connected with idler wheels (2), the rear end of the top of the box body (1) is fixedly connected with a first display board (3), the front of the box body (1) is movably connected with a box door (4) through a hinge, the right side of the front of the box door (4) is fixedly provided with a door lock (5), the two sides of the front end of the top of the box body (1) are respectively provided with a sliding groove (6), the left side of the inner wall of the box body (1) is fixedly connected with a first bearing (7), an inner cavity of the first bearing (7) is sleeved with a positive and negative threaded rod (8), the right end of the positive and negative threaded rod (8) penetrates through the right side of the box body (1) and is fixedly connected with a knob (9), the top of the right side of the box body (1) is provided with a clamping mechanism (10), and the two sides of the surface of the positive and negative threaded rod (8) are respectively in threaded connection with a threaded block (11), the top fixedly connected with slide bar (12) of screw thread piece (11), the surface of slide bar (12) and the inner chamber sliding connection of sliding tray (6), the top of slide bar (12) runs through to the top of sliding tray (6) and fixedly connected with second show board (13).

2. The demonstration device for vocal music teaching according to claim 1, wherein: the right end on the surface of the positive and negative threaded rod (8) is sleeved with a second bearing (14), and the left side of the second bearing (14) is fixedly connected with the right side of the box body (1).

3. The demonstration device for vocal music teaching according to claim 1, wherein: the box body (1) inner wall both sides of bottom have all been seted up spout (15), the inner chamber sliding connection of spout (15) has slider (16), the top of slider (16) and the bottom fixed connection of screw thread piece (11).

4. The demonstration device for vocal music teaching according to claim 1, wherein: chucking mechanism (10) are including fixed block (101), the left side of fixed block (101) and the top fixed connection on box (1) right side, draw-in groove (102) have been seted up on the surface of knob (9), there is fixture block (103) in the front of fixed block (101) through activity round pin swing joint, the one end that fixed block (101) were kept away from in fixture block (103) runs through to the inner chamber of draw-in groove (102).

5. The demonstration device for vocal music teaching according to claim 1, wherein: the length and the width of the inner cavity of the sliding groove (6) are both larger than those of the sliding rod (12), and the height of the inner cavity of the sliding groove (6) is smaller than that of the sliding rod (12).

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