CN209859390U

CN209859390U - Adjustable knows soundboard

Info

Publication number: CN209859390U
Application number: CN201920532266.9U
Authority: CN
Inventors: 李玢; 焦颖; 刘阳
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2019-12-27
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses an adjustable knows soundboard, which comprises a housin, the standing groove has been seted up to the bottom of casing, the standing groove rotates through the pivot and is connected with the regulating block, regulating block inner chamber center department is provided with the gear, the both sides of gear all mesh and are connected with the rack, the regulating block both ends are provided with connecting rod and lower connecting rod respectively. The utility model discloses in, rotate the second knob, rack through the gear both sides meshing connection, the last connecting rod that makes both ends is incorgruous synchronous motion with lower connecting rod, thereby adjust to knowing the soundboard height, make the different height infant's of adaptation that the soundboard can be better user demand, and simultaneously, when infant's position of sitting is known the sound, place infant's both legs between casing bottom both sides supporting shoe, can play certain limiting displacement to infant's both legs, and then the in-process of knowing the sound at infant plays the standard correction of position of sitting to infant's both legs.

Description

Adjustable knows soundboard

Technical Field

The utility model relates to a preschool education equipment technical field especially relates to an adjustable knows soundboard.

Background

With the progress of the thought and the enhancement of the education consciousness of people, the infant teaching is increasingly paid more attention by people, and the Pinyin serving as the education foundation is more important, so that people invent the learning assisting sound board.

However, the existing partial identification soundboard cannot be adjusted in height, so that the requirement that infants with different heights can not be satisfied to know the soundboard is met, the specifications of the existing partial identification soundboard are mostly unadjustable, and only a single sound card can be adapted, so that the applicability and the practicability of the identification soundboard are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an adjustable type identification plate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable sound identification plate comprises a shell, a placing cavity is arranged at the center of the top of an inner cavity of the shell, push plates are slidably connected with the two ends of the placing cavity in the shell, a support rod is movably connected with one side of each push plate far away from the placing cavity, the free end of the supporting rod penetrates through the shell and is welded with a first rotating button, the bottom of the shell is provided with a placing groove, one end of the placing groove far away from the placing cavity is rotationally connected with a rotating shaft, the placing groove is rotationally connected with an adjusting block through the rotating shaft, a gear is arranged at the center of the inner cavity of the adjusting block, racks are meshed and connected with the two sides of the gear, an upper connecting rod and a lower connecting rod are respectively arranged at the two ends of the adjusting block, racks are fixedly connected at one ends of the upper connecting rod and the lower connecting rod close to the adjusting block, and the upper connecting rod and the lower connecting rod are meshed and connected with the adjusting block through racks, and one side of the lower connecting rod, which is far away from the adjusting block, is fixedly connected with a supporting block.

As a further description of the above technical solution:

and threaded through holes matched with the first rotating buttons are formed at two ends of the shell.

As a further description of the above technical solution:

the tops of the two ends of the placing cavity are located on the inner wall of the shell and are fixedly connected with limiting blocks.

As a further description of the above technical solution:

and the outer side of the supporting block is wound with a return spring.

As a further description of the above technical solution:

and a second rotating button penetrating through the side wall of the adjusting block is connected to the fixed pipe on one side of the gear.

As a further description of the above technical solution:

three groups of placing grooves are symmetrically arranged about the vertical center line of the shell.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, standing groove one end is rotated through the pivot and is connected with the regulating block, rotate the regulating block to supporting shoe and parallel back in ground, rotate the second knob, rack through the gear both sides meshing connection, the last connecting rod that makes both ends is incorgruous synchronous motion with lower connecting rod, thereby adjust the acoustical panel height of knowing, make the different height infant's of adaptation user demand that the acoustical panel can be better, and simultaneously, when infant's position of sitting is known the sound, place infant's both legs between casing bottom both sides supporting shoe, can play certain limiting displacement to infant's both legs, and then the in-process of knowing the sound at infant plays the standard correction of position of sitting to infant's both legs.

2. The utility model discloses in, place chamber both sides sliding connection and have the push pedal, drive the push pedal through rotating first knob and remove to adjust the width of placing the chamber, make to place the sound card that the chamber can adapt to different widths, and then the suitability and the practicality of effectual improvement recognition board.

Drawings

Fig. 1 is a schematic front view of the internal structure of the soundproofing board of the present invention;

FIG. 2 is a schematic view of the internal structure of the adjusting block of the present invention;

fig. 3 is the bottom structure schematic diagram of the soundboard of the utility model.

Illustration of the drawings:

1. a housing; 2. a placement chamber; 3. a first rotary knob; 4. a strut; 5. pushing the plate; 6. a limiting block; 7. a rotating shaft; 8. an upper connecting rod; 9. an adjusting block; 10. a second rotary knob; 11. a lower connecting rod; 12. a return spring; 13. a support block; 14. a gear; 15. a rack; 16. and (6) placing the groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an adjustable sound recognition plate comprises a casing 1, a placing cavity 2 is arranged at the center of the top of an inner cavity of the casing 1, push plates 5 are slidably connected to both ends of the placing cavity 2 in the casing 1, a support rod 4 is movably connected to one side of each push plate 5 away from the placing cavity 2, a first rotary button 3 is welded to the free end of each support rod 4 penetrating through the casing 1, the push plates 5 can be driven to move by rotating the first rotary buttons 3, so that the width of the placing cavity 2 can be conveniently adjusted, a placing groove 16 is arranged at the bottom of the casing 1, one end of each placing groove 16 away from the placing cavity 2 is rotatably connected with a rotating shaft 7, the placing groove 16 is rotatably connected with an adjusting block 9 through the rotating shaft 7, a gear 14 is arranged at the center of the inner cavity of the adjusting block 9, racks 15 are engaged with both sides of the gear 14, go up connecting rod 8 and lower connecting rod 11 and be close to the equal fixedly connected with rack 15 of one end of regulating block 9, and go up connecting rod 8 and lower connecting rod 11 and all be connected through rack 15 and regulating block 9 meshing, through rotating gear 14 can be convenient go on synchronous incongruous removal to last connecting rod 8 and lower connecting rod 11 that both ends meshing is connected, and then highly effectual when placing the cognitive board is adjusted, one side fixedly connected with supporting shoe 13 of regulating block 9 is kept away from to lower connecting rod 11.

Furthermore, threaded through holes matched with the first rotating buttons 3 are formed in the two ends of the shell 1, so that the structure is stable in operation.

Further, the tops of the two ends of the placing cavity 2 are located on the inner wall of the shell 1 and are fixedly connected with the limiting blocks 6, so that the sliding structure is prevented from falling off, and the structure is smooth.

Furthermore, the outside of the supporting block 13 is wound with a return spring 12, and the arrangement of the return spring 12 can further improve the stability of the support when in use.

Furthermore, a second rotating button 10 penetrating through the side wall of the adjusting block 9 is connected to one side of the gear 14 through a fixed pipe, so that the structure adjustment is more convenient.

Further, the standing grooves 16 are symmetrically arranged in three groups about the vertical center line of the shell 1, and the three groups of standing grooves 16 can achieve a limiting effect on the legs of the infant while improving the structural stability, so that the legs of the infant can be better corrected.

The working principle is as follows: when the device is used, the sound-identifying plate is taken out firstly, the first rotary buttons 3 at two sides are rotated, the push plate 5 is driven by the support rod 4 to move horizontally, so that the width of the placing cavity 2 is adjusted, sound cards with different widths can be placed in the placing cavity 2, the applicability and the practicability of the sound-identifying plate are effectively improved, after the device is installed, the rotary shaft 7 at one end of the placing groove 16 is rotated to vertically place the supporting block 13, the second rotary button 10 is rotated, the gear 14 is meshed to drive the racks 15 at two sides to move, the upper connecting rod 8 and the lower connecting rod 11 at two sides move in different directions and synchronously, so that the sound-identifying plate is adjusted in height, the sound-identifying plate can better adapt to the teaching requirements of infants with different heights, meanwhile, when the infants sit in sitting posture are identified, the legs of the infants pass through the adjusting blocks 9 at two sides, so that the infants can be placed straightly during teaching, thereby achieving a certain sitting posture standard correction effect on the, and discipline can be cultivated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The adjustable type soundboard comprises a shell (1) and is characterized in that a placing cavity (2) is formed in the center of the top of an inner cavity of the shell (1), push plates (5) are slidably connected to the two ends, located in the placing cavity (2), of the shell (1), one side, away from the placing cavity (2), of each push plate (5) is movably connected with a support rod (4), a first rotating button (3) is welded to the free end of each support rod (4) in a penetrating mode through the shell (1), a placing groove (16) is formed in the bottom of the shell (1), one end, away from the placing cavity (2), of each placing groove (16) is rotatably connected with a rotating shaft (7), each placing groove (16) is rotatably connected with an adjusting block (9) through each rotating shaft (7), a gear (14) is arranged in the center of the inner cavity of each adjusting block (9), and racks (15) are meshed with, adjusting block (9) both ends are provided with connecting rod (8) and lower connecting rod (11) respectively, go up connecting rod (8) and lower connecting rod (11) and be close to equal fixedly connected with rack (15) of one end of adjusting block (9), and go up connecting rod (8) and lower connecting rod (11) and all be connected with adjusting block (9) meshing through rack (15), one side fixedly connected with supporting shoe (13) of adjusting block (9) are kept away from in lower connecting rod (11).

2. The adjustable sound identification plate according to claim 1, wherein two ends of the shell (1) are provided with threaded through holes matched with the first rotary buttons (3).

3. The adjustable cognitive board of claim 1, characterized in that, the both ends top of placing chamber (2) is located all fixedly connected with stopper (6) on the inner wall of casing (1).

4. The adjustable sound-identifying board as claimed in claim 1, wherein a return spring (12) is wound around the outside of the supporting block (13).

5. The adjustable sound-identifying plate as claimed in claim 1, wherein a second rotary knob (10) penetrating through the side wall of the adjusting block (9) is connected to one side of the gear (14) through a fixed pipe.

6. The adjustable identification plate according to claim 1, wherein the placement slots (16) are symmetrically arranged in three groups with respect to a vertical center line of the casing (1).