Electric folding instrument

Abstract

The utility model provides an electric folding instrument which is characterized in that an instrument body is arranged at the upper end of a base, a mounting groove is formed in the lower end of the base, a turnover assembly is arranged in the mounting groove, a lower shell is mounted at the lower end of the base and used for wrapping the turnover assembly, the bottom of the lower shell is connected to a fixed position, and one side of the instrument body is rotationally connected to one side of the base in a sleeving mode through a turnover plate. And one end of the turnover plate is connected to the output end of the turnover assembly. According to the electric folding instrument, the worm and gear transmission mode is adopted, the self-locking function can be achieved, the transmission structure is simple, the mechanical efficiency is high, the size is small, a self-locking mechanism does not need to be additionally arranged, the electric folding instrument is particularly suitable for being applied to small instruments such as an electric vehicle instrument, and the boss is arranged on one side of the instrument body to be matched with installation on the base; a top plate is arranged on the base, and the screen end of the instrument body can be in contact with the end face of the top plate, so that the screen end is prevented from being damaged by the turnover assembly, and the reliability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the field of electric vehicle instruments, and particularly relates to an electric folding instrument. Background Art

[0002] In the existing technology, there is no product with a foldable instrument in the field of electric vehicles, and basically all use flat fixed instruments. Foldable instruments or screens are mostly used in the vehicle-mounted field. However, the existing electric flipping mechanisms in the vehicle-mounted field usually use planetary gear reduction motors as the driving mechanism. Since planetary gears cannot achieve self-locking, a self-locking mechanism needs to be added. This makes the electric flipping and folding structure complex, with problems such as large occupied space and small impact torque that can be borne. Summary of the Invention

[0003] In view of this, the utility model aims to provide an electric folding instrument to solve the problems of the complex structure of the electric flipping mechanism of the existing instrument and the lack of self-locking function.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] An electric folding instrument includes a base, an instrument body, and a folding component. The instrument body is arranged at the upper end of the base, an installation groove is arranged at the lower end of the base, and the folding component is arranged in the installation groove. A lower shell is installed at the lower end of the base, and the lower shell is used to cover the folding component. The bottom of the lower shell is connected to a fixed position. One side of the instrument body is rotatably sleeved on one side of the base through a turning plate, and one end of the turning plate is connected to the output end of the folding component.

[0006] Further, the outer periphery of the turning plate is rotatably sleeved on a shaft seat, and the outer periphery of the shaft seat is fixedly installed on the base. A boss is arranged on one side of the instrument body, one end of the turning plate is fixedly connected to one side of the boss, and a support plate is installed on the other side of the boss. The outer periphery of the support plate is rotatably sleeved on the base.

[0007] Further, the folding component includes a worm gear, a worm, and a motor. A worm gear is arranged at one end of the turning plate, the outer periphery of the worm gear meshes with the worm, and one end of the worm is connected to the output end of the motor. The outer periphery of the motor is installed in the installation groove through a support bracket.

[0008] Further, a top plate is arranged on the base, and the screen end of the instrument body can contact the end face of the top plate. The folding component is located between the top plate and the lower shell.

[0009] Further, positioning holes are provided on the flipping plate. One end of the positioning bolt can pass through the positioning holes and then be fixedly connected to the convex platform. One end of the flipping plate is connected to one end of the first shaft rod through a coupling. The other end of the first shaft rod is rotatably sleeved on the transmission bracket. The transmission bracket is fixedly installed in the installation groove. A worm gear is fixedly sleeved on the periphery of the first shaft rod, and a worm is arranged in the transmission bracket. A second shaft rod is installed on the transmission shaft of the motor. The periphery of the second shaft rod is rotatably sleeved on the transmission bracket. One end of the second shaft rod is fixedly connected to one end of the worm.

[0010] Compared with the prior art, the electric folding instrument of the present invention has the following beneficial effects:

[0011] (1) For the electric folding instrument of the present invention, by setting the transmission mode of the worm and worm gear, the self-locking function can be realized. Its transmission structure is simple, the mechanical efficiency is high, the volume is small, and there is no need to add a self-locking mechanism, which is especially suitable for the application of small instruments such as electric vehicle instruments.

[0012] (2) For the electric folding instrument of the present invention, a convex platform is provided on one side of the instrument body to adapt to the installation on the base, so that the instrument body can rotate relative to the base. A top plate is provided on the base, and the screen end of the instrument body can contact the end face of the top plate, preventing the folding assembly from damaging the screen end and improving the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0014] Figure 1 is a schematic structural diagram of the closed electric folding instrument according to the embodiment of the present invention;

[0015] Figure 2 is a schematic structural diagram of the opened electric folding instrument according to the embodiment of the present invention;

[0016] Figure 3 is a schematic structural diagram of the folding assembly installed on the base according to the embodiment of the present invention;

[0017] Figure 4 is a schematic structural diagram of the inside of the transmission bracket according to the embodiment of the present invention;

[0018] Figure 5 is a schematic structural diagram of the flipping plate according to the embodiment of the present invention.

[0019] Description of the reference numerals:

[0020] 1 - Instrument body; 11 - Boss; 12 - Screen end; 2 - Base; 21 - Top plate; 22 - Installation groove; 3 - Folding assembly; 31 - Worm gear; 32 - Worm; 33 - Motor; 34 - Support bracket; 35 - Coupling; 36 - First shaft; 37 - Transmission bracket; 38 - Second shaft; 4 - Lower shell; 5 - Flipping plate; 51 - Shaft seat; 52 - Positioning hole; 6 - Support plate. Detailed implementation mode

[0021] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0024] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0025] As Figures 1-5As shown in the figure, an electric folding instrument includes a base 2, an instrument body 1, and a folding assembly 3. The instrument body 1 is provided at the upper end of the base 2, and an installation groove 22 is provided at the lower end of the base 2. The folding assembly 3 is provided in the installation groove 22. A lower shell 4 is installed at the lower end of the base 2, and the lower shell 4 is used to cover the folding assembly 3. The bottom of the lower shell 4 is connected to a fixed position. One side of the instrument body 1 is rotatably sleeved on one side of the base 2 through a turning plate 5, and one end of the turning plate 5 is connected to the output end of the folding assembly 3. The folding assembly 3 includes a worm gear 31, a worm 32, and a motor 33. A worm gear 31 is provided at one end of the turning plate 5, the periphery of the worm gear 31 is engaged with the worm 32, and one end of the worm 32 is connected to the output end of the motor 33. The periphery of the motor 33 is installed in the installation groove 22 through a support bracket 34. By setting the transmission mode of the worm gear 31 and the worm 32, the self-locking function can be realized. Its transmission structure is simple, the mechanical efficiency is high, the volume is small, and there is no need to add a self-locking mechanism, which is especially suitable for the application of small instruments such as electric vehicle instruments.

[0026] The periphery of the turning plate 5 is rotatably sleeved on a shaft seat 51, and the periphery of the shaft seat 51 is fixedly installed on the base 2. A boss 11 is provided on one side of the instrument body 1, and one end of the turning plate 5 is fixedly connected to one side of the boss 11. A support plate 6 is installed on the other side of the boss 11, and the periphery of the support plate 6 is rotatably sleeved on the base 2. The boss 11 is provided on one side of the instrument body 1 to adapt to the installation on the base 2 so that the instrument body 1 can rotate relative to the base 2. A top plate 21 is provided on the base 2, and the screen end 12 of the instrument body 1 can contact the end face of the top plate 21. The folding assembly 3 is located between the top plate 21 and the lower shell 4 to prevent the folding assembly 3 from damaging the screen end 12 and improve the reliability of the device.

[0027] As Figure 5 shown, a positioning hole 52 is provided on the turning plate 5, and one end of a positioning bolt can pass through the positioning hole 52 and then be fixedly connected to the boss 11 to facilitate the installation of the turning plate 5 by the staff. As Figure 3 and Figure 4 shown, one end of the turning plate 5 is connected to one end of a first shaft rod 36 through a polyurethane coupling 35. The other end of the first shaft rod 36 is rotatably sleeved on a transmission bracket 37. The transmission bracket 37 is fixedly installed in the installation groove 22. A worm gear 31 is fixedly sleeved on the periphery of the first shaft rod 36, and the worm 32 is arranged in the transmission bracket 37. A second shaft rod 38 is installed on the transmission shaft of the motor 33. The periphery of the second shaft rod 38 is rotatably sleeved on the transmission bracket 37. One end of the second shaft rod 38 is fixedly connected to one end of the worm 32. The worm 32 and the worm gear 31 are made of carbon steel. The first shaft rod 36 and the second shaft rod 38 are respectively rotationally connected to the transmission bracket 37 through shaft sleeves, and the shaft sleeves are made of tin bronze so that the device can withstand the strong impact torque during the vehicle's driving process.

[0028] The motor 33 in this embodiment is a servo motor 33 of the prior art, and the control method of this embodiment is controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of power also belongs to the common knowledge in this field. And this article is mainly used to protect the mechanical device, and the control method and circuit connection will not be explained in detail in this article.

[0029] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Electric folding instrument, characterized by: The invention comprises a base (2), an instrument body (1) and a folding assembly (3); the instrument body (1) is arranged at the upper end of the base (2); a mounting groove (22) is arranged at the lower end of the base (2); the folding assembly (3) is arranged in the mounting groove (22); a lower shell (4) is arranged at the lower end of the base (2); the lower shell (4) is used to cover the folding assembly (3); the bottom of the lower shell (4) is connected to a fixed position; one side of the instrument body (1) is rotatably sleeved to one side of the base (2) through a flip plate (5); and one end of the flip plate (5) is connected to the output end of the folding assembly (3).

2. The electric folding instrument according to claim 1, characterized in that: The outer periphery of the flip plate (5) is rotatably sleeved on the shaft seat (51), and the outer periphery of the shaft seat (51) is fixedly mounted on the base (2); a boss (11) is provided on one side of the instrument body (1); one end of the flip plate (5) is fixedly connected to one side of the boss (11); a support plate (6) is installed on the other side of the boss (11); and the outer periphery of the support plate (6) is rotatably sleeved on the base (2).

3. The electric folding instrument according to claim 1, characterized in that: The folding assembly (3) comprises a worm wheel (31), a worm (32) and a motor (33); the worm wheel (31) is arranged at one end of the flip plate (5); the periphery of the worm wheel (31) is meshed with the worm (32); one end of the worm (32) is connected to the output end of the motor (33); and the periphery of the motor (33) is installed in the installation groove (22) through a supporting bracket (34).

4. The electric folding instrument according to claim 1, characterized in that: A top plate (21) is arranged on the base (2), and the screen end (12) of the instrument body (1) can contact the end surface of the top plate (21), and the folding assembly (3) is located between the top plate (21) and the lower shell (4).

5. The electric folding instrument according to claim 3, characterized in that: A positioning hole (52) is provided on the flip plate (5), and one end of the positioning bolt can pass through the positioning hole (52) and then be fixedly connected to the boss (11). One end of the flip plate (5) is connected to one end of the first shaft rod (36) through a coupling (35), and the other end of the first shaft rod (36) is rotatably sleeved on the transmission bracket (37). The transmission bracket (37) is fixedly installed in the installation groove (22). The outer periphery of the first shaft rod (36) is fixedly sleeved on the worm wheel (31), and the worm (32) is arranged in the transmission bracket (37). A second shaft rod (38) is installed on the transmission shaft of the motor (33), and the outer periphery of the second shaft rod (38) is rotatably sleeved on the transmission bracket (37), and one end of the second shaft rod (38) is fixedly connected to one end of the worm (32).

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