CN218631066U - English listening comprehension writing device with folding function - Google Patents

Abstract

The utility model discloses an english listening comprehension writing device with folding function, including the last casing that is bar structure, go up the correspondence of casing below and be provided with down the casing, just casing upper end is protrusion column structure down, and go up the casing with the side surface left and right sides all is provided with the speaker before the casing down, and the returning face plate rotates and installs go up the casing with the writing board can be wiped to the side surface before the casing down, and fixed the setting is in both sides surface around the returning face plate with go up casing and casing front side surface down. This device is write to english listening comprehension with folding function adopts neotype structural design for the device can be according to the whole area of the volume demand change device of writing of reality at the in-process that uses, thereby is more convenient when using, and can change the length of telescopic link through atmospheric pressure when the device is placed, thereby change the holistic inclination of device, adapt to different use postures and height.

Description

An English listening and writing device with folding function

technical field

The utility model relates to the technical field of English learning, in particular to an English listening and writing device with a folding function.

Background technique

English is a language subject, which belongs to the common language of the world and is learned as a second language by most countries. Listening is an important content in the process of learning English. It is necessary to listen repeatedly and record useful when practicing listening information, so it is necessary to use a writing device for assistance.

However, in the actual use process, the general writing device is made of a plate-shaped structure. Since the volume of the plate-shaped structure is fixed, the writing area of the overall writing device cannot be adjusted, so that when the amount of use is small The large area is inconvenient to carry, and the angle of the writing device is inconvenient to adjust when placed.

Utility model content

The purpose of this utility model is to provide an English listening and writing device with folding function, so as to solve the problems in the above-mentioned background technology that it cannot be folded, which makes it inconvenient to use under different writing volumes and inconvenient to adjust the angle when placed.

In order to achieve the above purpose, the utility model provides the following technical solutions: an English listening and writing device with folding function, comprising an upper casing in a bar-shaped structure, a lower casing is correspondingly arranged below the upper casing, and the The upper end of the lower case is in a protruding structure, and speakers are provided on the left and right sides of the front surface of the upper case and the lower case, and also include:

A flip plate is rotatably mounted on the front surfaces of the upper shell and the lower shell, and the flip plates on the upper and lower sides have a symmetrical structure;

The erasable writing board is fixedly arranged on the outer surfaces of the front and rear sides of the flip plate and the front outer surfaces of the upper shell and the lower shell;

a connecting rod installed between the upper case and the lower case, and the upper and lower ends of the connecting rod extend into the upper case and the lower case respectively;

The support plate is rotatably mounted on the rear outer surface of the lower casing, and the edge of the support plate is set as a rubber material with a rough surface;

The telescopic rod, the upper and lower ends are respectively rotatably connected to the outer surface of the upper end of the lower housing and the upper outer surface of the support plate, the telescopic rod is a pneumatic telescopic structure, and the telescopic rod is left-right symmetrical about the lower housing distributed;

A storage airbag is fixedly installed on the rear outer surface of the lower casing, and the storage airbag stores air for pressurization inside;

The extruding cam is rotatably mounted on the rear outer surface of the lower casing, and the extruding cam is located above the storage air bag.

Preferably, both the upper casing and the lower casing form a sliding structure with the connecting rod through the sliding slot opened inside, and the middle part of the connecting rod is installed with a transmission screw for rotation, between the upper casing and the lower casing. When the shells are folded and unfolded, the connecting rod slides correspondingly inside the sliding groove, so that the purpose of position limitation can be achieved by using the connecting rod.

Preferably, the upper casing and the lower casing form a telescopic structure through a push rod mounted on the inner side, and the bottom end of the push rod is rotatably installed with a linear slider, and the rotation of the push rod can drive the upper casing and the lower casing. Expanding and folding are realized between the lower shells.

Preferably, the linear slider forms a horizontal sliding structure through a transmission screw rod installed inside, and the left and right sides of the transmission screw rod have opposite thread directions, and the rotation of the transmission screw rod drives its external linear slider to slide towards each other. This causes the push rod to rotate.

Preferably, the telescopic rod and the storage air bag form a communication structure through a connecting pipe, and the storage air bag is set as a self-rebound structure, the air in the storage air bag can enter the inside of the telescopic rod through the connecting pipe, thereby changing the length.

Preferably, a driven bevel gear is coaxially fixedly mounted on the inner side of the extrusion cam, and the driven bevel gear and the driving bevel gear form a meshing structure, and the driven bevel gear is meshed with the driven bevel gear through the rotation of the driving bevel gear. The extruding cam is driven to rotate, so that the extruding cam is used to extrude the storage air bag.

Compared with the prior art, the beneficial effect of the utility model is: the English listening and writing device with folding function adopts a new structural design, so that the overall area of the device can be changed according to the actual writing volume requirement during the use of the device, Therefore, it is more convenient to use, and the length of the telescopic rod can be changed by air pressure when the device is placed, thereby changing the overall inclination angle of the device and adapting to different use postures and heights. The specific content is as follows:

1. The push rod, the connecting rod, the sliding groove, the linear slider and the transmission screw are used together, and the rotation of the knob drives the transmission screw to rotate, so that the external linear sliders slide toward each other, so that the push rod rotates to drive the upper The shell and the lower shell move up and down, and at this time the connecting rod slides correspondingly inside the slide groove, finally realizing the unfolding and folding between the upper shell and the lower shell.

2. The telescopic rod, the connecting pipe, the storage air bag and the extrusion cam are used together. After the device is placed on the support plate, the storage air bag is squeezed by the rotation of the extrusion cam, so that the air inside can pass through The connecting pipe enters the inside of the telescopic rod, so that the inside of the telescopic rod is squeezed and elongated, and the change of the length of the telescopic rod is used to promote the change of the overall angle of the device.

Description of drawings

Fig. 1 is a front view structural schematic diagram of the utility model in an unfolded state;

Fig. 2 is a schematic diagram of a partial cross-sectional structure of the utility model in an unfolded state;

Fig. 3 is a schematic diagram of the rear view structure of the utility model in an unfolded state;

Fig. 4 is the utility model side view structure diagram;

Fig. 5 is a front view structural schematic diagram of the extrusion cam of the present invention.

In the figure: 1. Upper shell; 2. Lower shell; 3. Loudspeaker; 4. Flip board; 5. Erasable writing board; 6. Connecting rod; 7. Support plate; 8. Telescopic rod; 9. Storage airbag 10, extrusion cam; 11, slide groove; 12, push rod; 13, linear slider; 14, transmission screw; 15, connecting pipe; 16, driven bevel gear; 17, driving bevel gear.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: an English listening and writing device with a folding function, which includes an upper shell 1 in a bar-shaped structure, and a lower shell is correspondingly arranged below the upper shell 1 2, and the upper end of the lower case 2 has a protruding structure, and speakers 3 are provided on the left and right sides of the front surface of the upper case 1 and the lower case 2, and also include:

The turnover plate 4 is rotatably installed on the front side surfaces of the upper shell 1 and the lower shell 2, and the turnover plates 4 on the upper and lower sides have a symmetrical structure;

The erasable writing board 5 is fixedly arranged on the front and rear outer surfaces of the flip plate 4 and the front outer surfaces of the upper casing 1 and the lower casing 2;

The connecting rod 6 is installed between the upper casing 1 and the lower casing 2, and the upper and lower ends of the connecting rod 6 extend into the upper casing 1 and the lower casing 2 respectively;

Both the upper case 1 and the lower case 2 form a sliding structure through the sliding groove 11 opened inside and the connecting rod 6, and the middle part of the connecting rod 6 is installed with a transmission screw 14 for rotation, and the upper case 1 and the lower case 2 pass through the inner The push rod 12 installed by rotation forms a telescopic structure, and the bottom end of the push rod 12 is rotated and installed with a linear slider 13. The linear slider 13 forms a horizontal sliding structure through the drive screw 14 installed inside, and the left and right sides of the drive screw 14 The thread direction is reversed.

When using the device, when the amount of writing is small, use the device in the contracted state directly (that is, the upper and lower housings 1 and 2 are in a state of bonding up and down), and then use the speaker 3 to play listening materials , and write important information on the erasable writing board 5 to assist learning. When a large amount of writing is required, the rotating knobs on the left and right sides of the connecting rod 6 drive the transmission screw 14 to rotate, so that the external linear sliders 13 face each other. Sliding, using the linear slider 13 to drive the push rod 12 to rotate, thereby using the push rod 12 to drive the upper casing 1 and the lower casing 2 to expand outwards, and at the same time the connecting rod 6 slides inside the sliding groove 11, when it reaches the maximum position , respectively downward and upward rotation of the turnover plate 4 on the upper and lower sides, to achieve the purpose of enlarging the overall writing area.

The support plate 7 is rotatably mounted on the rear outer surface of the lower housing 2, and the edge position of the support plate 7 is set as a rubber material with a rough surface;

The telescopic rod 8 is connected to the outer surface of the upper end of the lower casing 2 and the upper surface of the support plate 7 in rotation at the upper and lower ends respectively. The telescopic rod 8 is a pneumatic telescopic structure, and the telescopic rod 8 is symmetrically distributed about the lower casing 2;

The storage airbag 9 is fixedly installed on the rear outer surface of the lower casing 2, and the storage airbag 9 stores air for pressurization inside;

The extruding cam 10 is rotatably mounted on the rear outer surface of the lower casing 2, and the extruding cam 10 is positioned above the storage airbag 9.

The connecting pipe 15 forms a communication structure between the telescopic rod 8 and the storage air bag 9, and the storage air bag 9 is set as a self-rebound structure, and the inner side of the extrusion cam 10 is coaxially fixed with a driven bevel gear 16, and the driven bevel gear 16 It forms a meshing structure with the driving bevel gear 17.

When the device is supported by the telescopic rod 8 and the support plate 7, according to the actual angle, the rotation button at the rear of the lower housing 2 is rotated to drive the driving bevel gear 17 to rotate, so that the driven bevel gear 16 meshed with it drives The extrusion cam 10 rotates, and the storage airbag 9 is squeezed by the extrusion cam 10, so that the air in the storage airbag 9 enters the inside of the telescopic rod 8 through the connecting pipe 15, so as to change the length of the telescopic rod 8, and finally use the telescopic rod 8 The change of the length adjusts the angle of the device.

The content that is not described in detail in this specification belongs to the prior art known to those skilled in the art. , "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only The simplified description for the convenience of describing the utility model does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection content of the utility model.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. an English listening and writing device with folding function, comprising an upper shell (1) in a bar-shaped structure, the lower shell (2) is correspondingly arranged below the upper shell (1), and the lower shell The upper end of the body (2) has a protruding structure, and speakers (3) are provided on the left and right sides of the front surface of the upper casing (1) and the lower casing (2), and it is characterized in that it also includes: The turnover plate (4) is rotatably installed on the front side surfaces of the upper casing (1) and the lower casing (2), and the turnover panels (4) on the upper and lower sides are symmetrical in structure; The erasable writing board (5) is fixedly arranged on the front and rear outer surfaces of the flip plate (4) and the front outer surfaces of the upper casing (1) and the lower casing (2); The connecting rod (6) is installed between the upper casing (1) and the lower casing (2), and the upper and lower ends of the connecting rod (6) respectively extend into the upper casing (1) and the lower casing (2). Inside the lower casing (2); The support plate (7) is rotatably mounted on the rear outer surface of the lower casing (2), and the edge position of the support plate (7) is set as a rubber material with a rough surface; The telescopic rod (8), the upper and lower ends are respectively rotatably connected to the outer surface of the upper end of the lower housing (2) and the upper outer surface of the support plate (7), the telescopic rod (8) is a pneumatic telescopic structure, and The telescopic rod (8) is symmetrically distributed about the lower casing (2); A storage airbag (9) is fixedly installed on the rear outer surface of the lower casing (2), and the storage airbag (9) stores air for pressurization inside; The extruding cam (10) is rotatably mounted on the rear outer surface of the lower housing (2), and the extruding cam (10) is located above the storage air bag (9). 2. A kind of English listening and writing device with folding function according to claim 1, it is characterized in that: described upper housing (1) and described lower housing (2) all pass through the slide slot (11 that the inside offers) ) and the connecting rod (6) form a sliding structure, and the middle part of the connecting rod (6) is installed with a transmission screw (14) for rotation. 3. A kind of English listening and writing device with folding function according to claim 1, is characterized in that: described upper housing (1) and described lower housing (2) are installed by the push lever (12 that rotates inside ) to form a telescopic structure, and the bottom end of the push rod (12) is rotatably equipped with a linear slider (13). 4. A kind of English listening and writing device with folding function according to claim 3, it is characterized in that: described linear slide block (13) constitutes lateral sliding structure through the drive screw mandrel (14) that the inside penetrates installation, and the The direction of threads on the left and right sides of the drive screw mandrel (14) is opposite. 5. An English listening and writing device with folding function according to claim 1, characterized in that: said telescopic rod (8) and said storage air bag (9) form a communication structure through a connecting pipe (15) , and the storage air bag (9) is set as a self-rebound structure. 6. A kind of English listening and writing device with folding function according to claim 1, it is characterized in that: said extruding cam (10) inner side is coaxially fixed with driven bevel gear (16), and said driven The movable bevel gear (16) forms an engagement structure with the driving bevel gear (17).

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