Drawer type keyboard

Abstract

The utility model is suitable for the technical field of keyboard structures, and provides a drawer type keyboard, which is characterized by comprising a mounting frame and a keyboard body, the mounting frame is provided with a cavity structure, the cavity structure is used for mounting the keyboard body, the mounting frame comprises a fixed frame, a tray, a sucker group and a moving group, the fixed frame is mounted in the equipment, and the tray is used for supporting the keyboard body; and the keyboard body is mounted on the mounting rack. According to the utility model, the mounting frame is arranged for positioning and mounting the keyboard body inside the equipment, the suction cup group is arranged for positioning and mounting the keyboard body on the fixing frame, and the moving group is arranged between the fixing frame and the tray, so that the keyboard body can be moved to a set position conveniently; after an operator does not need to input an instruction on the keyboard body temporarily, the keyboard body can be reset, and the problem that the keyboard is prone to failure or damage due to the fact that the keyboard is exposed in air for a long time is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of keyboard structures, and particularly relates to a drawer-type keyboard. Background Art

[0002] Industrial equipment is mainly applied in the fields of mechanical engineering, automation control, electrical engineering, computer science and information technology, material science and process technology, energy conservation and environmental protection technology, etc. These technical fields intersect with each other, jointly providing support for the design, manufacturing and operation of industrial equipment, and promoting the continuous development and innovation of industrial production.

[0003] The structural composition of industrial equipment usually includes a mechanical structure, an electrical system, a control system, a hydraulic and pneumatic system, sensors and actuators, a cooling and emission system, etc. Among them, the control system will set a control panel to display the working state of the industrial equipment and set a keyboard for operation control, parameter setting and data input, providing an intuitive and flexible human-machine interaction interface for operators, and facilitating the operation and management of the equipment.

[0004] In the prior art, the installation method of the keyboard on industrial equipment is mainly to directly install it on the console or operation panel of the equipment, or to install it in an embedded manner on the surface of the equipment and integrate it with the equipment to make the operation interface more compact and tidy; however, for most keyboards on industrial equipment, due to the application environment of industrial equipment being extremely high or low in temperature, and there being chemical corrosive substances, dust, oil fume, etc. in some environments, the keyboard being exposed to the air for a long time easily leads to the failure or damage of the keyboard. Summary of the Utility Model

[0005] The purpose of the embodiments of the utility model is to provide a drawer-type keyboard, aiming to solve the problem that for most keyboards on industrial equipment, due to the application environment of industrial equipment being extremely high or low in temperature, and there being chemical corrosive substances, dust, oil fume, etc. in some environments, the keyboard being exposed to the air for a long time easily leads to the failure or damage of the keyboard.

[0006] The embodiments of the utility model are implemented as follows. A drawer-type keyboard includes: a mounting frame and a keyboard body.

[0007] The mounting frame is provided with a cavity structure for mounting the keyboard body. The mounting frame includes a fixed frame, a tray, a suction cup group and a moving group. The fixed frame is installed inside the equipment and is used for the positioning installation of the suction cup group and the moving group. Both sides of the tray are connected to the moving group. The tray is used for supporting the keyboard body. The suction cup group is used for the positioning of the keyboard body. The moving group is used for guiding the movement of the keyboard body on the tray.

[0008] The keyboard body is installed on the mounting bracket. The keyboard body includes a protective case, a key group, and a control group. The protective case is set as a hollow case, which is installed on the tray. Both sides of the protective case are connected to the moving group. The protective case is used for the positioning and installation of the key group and the control group. The key group is electrically connected to the control group. The control group is used to transmit the instruction information on the key group to the device.

[0009] Preferably, the fixing bracket is provided with a U-shaped plate and a C-shaped frame. The two side plates of the C-shaped frame are fixedly connected to the two wing plates of the U-shaped plate by screws so that the fixing bracket is a square semi-closed case. One end of each of the two side plates of the C-shaped frame is provided with a first fixing block and a second fixing block. The first fixing block and the second fixing block are fixedly connected to the device by arranging a first fixing rod; First mounting positions and second mounting positions are respectively arranged on the two wing plates of the U-shaped plate. The first mounting position and the second mounting position are used for the positioning and installation of the moving group; A first through hole and a second through hole are arranged on the bottom surface of the U-shaped plate. A first convex block is arranged on the wall of the first through hole. The upper end of the first convex block is not higher than the upper end surface of the fixing bracket. A second convex block is arranged on the wall of the second through hole. The upper end of the second convex block is not higher than the upper end surface of the fixing bracket and has the same height as the first convex block. A first mounting hole and a second mounting hole are respectively arranged on the first convex block and the second convex block. The first mounting hole and the second mounting hole are used for the positioning and installation of the suction cup group; A third mounting position is arranged on the back surface of the C-shaped frame. The third mounting position is used for positioning the keyboard body.

[0010] Preferably, the tray is a square semi-closed case. A number of connection holes are arranged on the two side surfaces of the outer wall of the tray. The connection holes are fixedly connected to the moving group by arranging a second fixing rod to facilitate the guiding of the moving group and the movement of the tray and the keyboard body. A third convex block and a fourth convex block are arranged on the bottom surface of the tray. The third convex block and the fourth convex block are not higher than the upper end surface of the tray. The third convex block and the fourth convex block are connected to the fixing bracket by the suction cup group. A handle is arranged on the front surface of the tray. The handle is used for the operator to pull out the tray and the keyboard body to facilitate the operation control of the device.

[0011] Preferably, the suction cup group is provided with a first magnet and a second magnet. The first magnet is installed in the first mounting hole of the first convex block through a screw and nut. The second magnet is installed in the second mounting hole of the second convex block through a screw and nut.

[0012] Preferably, the moving group includes a first guide rail group and a second guide rail group. The first guide rail group is provided with a first slideway and a first guide rail. The first slideway is installed at the first installation position of the fixed frame, and the first guide rail is installed on one side surface of the outer wall of the tray. The first slideway is slidably connected to the first guide rail. The second guide rail group is provided with a second slideway and a second guide rail. The second slideway is installed at the second installation position of the fixed frame, and the second guide rail is installed on the other side surface of the outer wall of the tray and is opposite to the second guide rail. The second guide rail is slidably connected to the second slideway.

[0013] Preferably, the keyboard body further includes a spring connecting wire. One end of the spring connecting wire is installed on the protective shell, and the other end passes through the third installation position of the fixed frame and is connected to an external device. The spring connecting wire is used to limit the moving stroke of the keyboard body so that the keyboard can be synchronously connected to the device when being pulled out or retracted in the fixed frame.

[0014] Preferably, the protective shell is a square semi-closed shell. The top surface of the protective shell is provided with a first positioning hole and a plurality of second positioning holes. The first positioning hole is used for the positioning and installation of the control group, and the second positioning hole is used for the positioning and installation of the key group. A plurality of fixing holes are provided on two opposite side surfaces of the protective shell. The protective shell is connected to both side surfaces of the inner wall of the tray in place by arranging third fixing rods. The top surface of the protective shell is not higher than the upper end surface of the tray.

[0015] Preferably, the key group includes a mounting plate and a plurality of keys. The mounting plate is provided with a plurality of third positioning holes. The mounting plate is used for positioning and installing the keys on the control group so as to transmit key commands to the control group. Each key is provided with a key cap and a connecting piece. The key cap is positioned on the second positioning hole and the third positioning hole. The connecting piece is installed at the bottom of the key cap. The key cap is used to protect the connecting piece and identify the function of the key. The connecting piece is connected to the control group so as to transmit the key command to the control group.

[0016] Preferably, the control group includes a fixing plate, a circuit board, a main control board and a touch screen. The circuit board is installed below the key group, and the fixing plate is installed below the circuit board. The fixing plate is used for the positioning and installation of the circuit board and the main control board. The main control board is installed on the bottom surface of the fixing plate. The main control board is electrically connected to the circuit board and the touch screen. The touch screen is electrically connected to the circuit board and is installed on the circuit board. The touch screen is positioned on the first positioning hole of the protective shell.

[0017] The utility model provides a drawer-type keyboard. The utility model is provided with a mounting frame for positioning and installing a keyboard body, and a fixing frame is provided to position the keyboard body installed on a tray inside the device to prevent the keyboard body from being completely and long-term exposed to the air. A suction cup group is provided to position and install the keyboard body on the fixing frame, and a moving group is provided between the fixing frame and the tray to facilitate the keyboard body to be moved to a set position so that an operator can input instructions on the keyboard body to control the operation of the device. When the operator does not need to input instructions on the keyboard body temporarily, the keyboard body can be reset, thereby solving the problem that the keyboard is easily exposed to the air for a long time and may cause the keyboard to fail or be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural diagram of a drawer-type keyboard provided in an embodiment of the utility model;

[0019] Figure 2 The present invention is a schematic diagram of the internal structure of a drawer-type keyboard provided in an embodiment of the present invention.

[0020] In the accompanying drawings: 1. mounting frame; 11. fixing frame; 111. 凵-shaped plate; 112. 冂-shaped frame; 12. tray; 121. connecting hole; 122. handle; 13. suction cup group; 131. first magnet; 132. second magnet; 14. moving group; 141. first guide rail group; 142. second guide rail group; 2. keyboard body; 21. protective shell; 211. first positioning hole; 212. second positioning hole; 22. button group; 221. mounting plate; 222. button; 23. control group; 231. fixing plate; 232. circuit board; 233. main control board; 234. touch screen; 24. spring connecting line. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0023] like Figure 1-2 As shown, it is a structural diagram of a drawer-type keyboard provided by an embodiment of the utility model, comprising: a mounting frame 1 and a keyboard body 2;

[0024] The mounting bracket 1 is provided with a cavity structure for mounting the keyboard body 2. The mounting bracket 1 includes a fixed bracket 11, a tray 12, a suction cup group 13 and a moving group 14. The fixed bracket 11 is installed inside the device and is used for the positioning and installation of the suction cup group 13 and the moving group 14. Both side surfaces of the tray 12 are connected to the moving group 14. The tray 12 is used to support the keyboard body 2. The suction cup group 13 is used for the positioning of the keyboard body 2. The moving group 14 is used to guide the movement of the keyboard body 2 on the tray 12.

[0025] The keyboard body 2 is installed on the mounting bracket 1. The keyboard body 2 includes a protective shell 21, a key group 22 and a control group 23. The protective shell 21 is arranged as a hollow shell and is installed on the tray 12. Both sides of the protective shell 21 are connected to the moving group 14. The protective shell 21 is used for the positioning and installation of the key group 22 and the control group 23. The key group 22 is electrically connected to the control group 23. The control group 23 is used to transmit the command information on the key group 22 to the device.

[0026] In the embodiment of the present utility model, preferably, the drawer-type keyboard can be installed inside the operating table of the industrial device or on the bottom surface of the operating table. When the keyboard body 2 is positioned on the mounting bracket 1, the upper end surface of the mounting bracket 1 is installed inside the operating table so that the keyboard body 2 is installed inside the cavity structure, preventing the keyboard body 2 from being exposed to the working environment for a long time. The fixed bracket 11 outside the mounting bracket 1 is installed inside the device. The tray 12 arranged above the fixed bracket 11 is used for positioning and supporting the keyboard body 2. The suction cup is used to position the keyboard on the tray 12 inside the fixed bracket 11. The moving group 14 is arranged at both ends of the tray 12 and can guide the movement of the tray 12 and the keyboard body 2 so that the keyboard body 2 can be pulled out by the operator and commands can be input on the key group 22 of the keyboard body 2. After the operator finishes the operation, the keyboard body 2 can be reset in time to prevent the keyboard body 2 from being exposed to the air for a long time, which easily causes the keyboard to fail or be damaged. The protective shell 21 arranged in the keyboard body 2 is a hollow shell, and the key group 22 and the control group 23 can be installed in place.

[0027] In an example of the present utility model, the present utility model is provided with a mounting bracket 1 for positioning and mounting a keyboard body 2, and a fixing bracket 11 is provided to position the keyboard body 2 mounted on a tray 12 inside the device, preventing the keyboard body 2 from being completely and permanently exposed to the air. A suction cup group 13 is provided to position and mount the keyboard body 2 on the fixing bracket 11, and a moving group 14 is provided between the fixing bracket 11 and the tray 12, so that the keyboard body 2 can be moved to a set position for an operator to input instructions on the keyboard body 2 to control the operation of the device. After the operator no longer needs to input instructions on the keyboard body 2 temporarily, the keyboard body 2 can be reset, solving the problem that the keyboard being exposed to the air for a long time is likely to cause the keyboard to fail or be damaged.

[0028] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the fixing bracket 11 is provided with a U-shaped plate 111 and a C-shaped frame 112. The two side plates of the C-shaped frame 112 are fixedly connected to the two wing plates of the U-shaped plate 111 by screws, so that the fixing bracket 11 is a square semi-closed housing. One end of each of the two side plates of the C-shaped frame 112 is provided with a first fixing block and a second fixing block, and the first fixing block and the second fixing block are fixedly connected to the device by a first fixing rod; first mounting positions and second mounting positions are respectively provided on the two wing plates of the U-shaped plate 111 for positioning and mounting the moving group 14; a first through hole and a second through hole are provided on the bottom surface of the U-shaped plate 111. A first convex block is provided on the inner wall of the first through hole, and the upper end of the first convex block is not higher than the upper end surface of the fixing bracket 11. A second convex block is provided on the inner wall of the second through hole, and the upper end of the second convex block is not higher than the upper end surface of the fixing bracket 11 and has the same height as the first convex block. A first mounting hole and a second mounting hole are respectively provided on the first convex block and the second convex block for positioning and mounting the suction cup group 13; a third mounting position is provided on the back surface of the C-shaped frame 112 for positioning the keyboard body 2.

[0029] In the embodiment of the present utility model, preferably, the fixing frame 11 is mainly composed of a rectangular U-shaped plate 111 and a C-shaped frame 112. The two side plates on the C-shaped frame 112 have the same length and width as the two wing plates on the U-shaped plate 111. When the U-shaped plate 111 and the C-shaped frame 112 are fixedly connected by screws, the two side plates on the C-shaped frame 112 are in the same length direction as the two wing plates of the U-shaped plate 111, and the entire fixing frame 11 forms a square semi-enclosed housing. A first fixing block and a second fixing block are provided at the ends of the two side plates of the C-shaped frame 112 on the same side. Through holes can be provided on the first fixing block and the second fixing block for the first fixing rod to pass through and install the fixing frame 11 in place with the equipment. Additionally, a plurality of third installation positions can be provided on the back surface of the middle plate of the C-shaped frame 112. The third installation positions can be irregular through holes for positioning the keyboard body 2. First installation positions and second installation positions are provided on the inner wall surfaces of the two opposite wing plates of the U-shaped plate 111. The first installation positions and the second installation positions can be a plurality of through holes with different shapes for fixing the moving group 14. A first through hole and a second through hole are provided on the upper surface of the middle plate of the U-shaped plate 111, and first bumps and second bumps provided on the first through hole and the second through hole are used for positioning the suction cup group 13. Moreover, the shapes and thicknesses of the first bump and the second bump can be set to be the same and are not higher than the height of the wing plate of the U-shaped plate 111.

[0030] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the tray 12 is a square semi-enclosed housing. A plurality of connecting holes 121 are provided on the two side surfaces of the outer wall of the tray 12. The connecting holes 121 are fixedly connected to the moving group 14 by arranging second fixing rods to facilitate the moving group 14 to guide the tray 12 and the keyboard body 2 to move. A third bump and a fourth bump are provided on the bottom surface of the tray 12. The third bump and the fourth bump are not higher than the upper end surface of the tray 12. The third bump and the fourth bump are connected to the fixing frame 11 through the suction cup group 13. A handle 122 is provided on the front surface of the tray 12. The handle 122 is used for the operator to pull out the tray 12 and the keyboard body 2 to facilitate the operation control of the equipment.

[0031] In the embodiment of the present utility model, preferably, the tray 12 can be a square semi-closed housing with a side length smaller than that of the U-shaped plate 111, and the upper end surface of the tray 12 is not higher than the upper end surface of the U-shaped plate 111. Connecting holes 121 are provided at the same positions on both side surfaces of the outer wall of the tray 12 for installing the moving group 14 so that the tray 12 can be moved under the guidance of the moving group 14. The connecting holes 121 can be through holes having the same shape as the outer wall of the second fixing rod. A third bump and a fourth bump are provided on the bottom side edge of the tray 12. The distance between the third bump and the fourth bump is the same as the distance between the first bump and the second bump, and the third bump and the fourth bump can be made of a magnetic material so that the suction cup group 13 can connect the tray 12 to the fixing frame 11 in place; a compartment for the handle 122 can be provided on the side edge opposite to the third bump and the fourth bump to facilitate the operator to pull out the tray 12 and use the keyboard body 2 to control the device operation.

[0032] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the suction cup group 13 is provided with a first magnet 131 and a second magnet 132. The first magnet 131 is installed in the first mounting hole of the first bump through a screw and a nut, and the second magnet 132 is installed in the second mounting hole of the second bump through a screw and a nut.

[0033] In the embodiment of the present utility model, preferably, the suction cup group 13 can be composed of a first magnet 131 and a second magnet 132, and the first magnet 131 and the second magnet 132 are respectively installed on the first bump and the second bump through screws and nuts. First washers and second washers can also be provided and installed on the first magnet 131 and the second magnet 132.

[0034] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the moving group 14 includes a first guide rail group 141 and a second guide rail group 142. The first guide rail group 141 is provided with a first slideway and a first guide rail. The first slideway is installed at the first mounting position of the fixing frame 11, and the first guide rail is installed on one side surface of the outer wall of the tray 12. The first slideway is slidably connected to the first guide rail; the second guide rail group 142 is provided with a second slideway and a second guide rail. The second slideway is installed at the second mounting position of the fixing frame 11, and the second guide rail is installed on the other side surface of the outer wall of the tray 12 and is opposite to the second guide rail. The second guide rail is slidably connected to the second slideway.

[0035] In the embodiment of the present utility model, preferably, the moving group 14 may be composed of a first guide rail group 141 and a second guide rail group 142. The first guide rail group 141 is installed between the first installation position of the U-shaped plate 111 and the connection hole 121 on the outer wall side of the tray 12. The first guide rail in the first guide rail group 141 is installed on the tray 12, and the first slideway is installed on the first installation position of the fixed frame 11 so that the tray 12 makes a reciprocating linear motion on the first slideway. The operating principle of the second guide rail group 142 is the same as that of the first guide rail group 141 and the moving direction is the same.

[0036] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the keyboard body 2 further includes a spring connecting line 24. One end of the spring connecting line 24 is installed on the protective shell 21, and the other end passes through the third installation position of the fixed frame 11 to be connected to an external device. The spring connecting line 24 is used to limit the moving stroke of the keyboard body 2 so that the keyboard can be connected to the device synchronously when it is pulled out or retracted in the fixed frame 11.

[0037] In the embodiment of the present utility model, preferably, a spring connecting line 24 may also be provided on the keyboard body 2 to connect the keyboard body 2 with an external working device so that the keyboard body 2 can transmit the key 222 information instructions to the working device, facilitating the device to make corresponding instruction actions in a timely manner. The spring connecting line 24 with certain elasticity and stretchability can enable the spring connecting line 24 to be stretched and always connected to the working device when the keyboard body 2 is pulled out by the operator for operation. After the keyboard body 2 is reset, the spring connecting line 24 retracts and resets without affecting the normal use of the keyboard body 2.

[0038] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the protective shell 21 is a square semi-closed shell. The top surface of the protective shell 21 is provided with a first positioning hole 211 and a plurality of second positioning holes 212. The first positioning hole 211 is used for the positioning installation of the control group 23, and the second positioning holes 212 are used for the positioning installation of the key 222 group 22; a plurality of fixing holes are provided on the opposite two side surfaces of the protective shell 21. The protective shell 21 is connected to both side surfaces of the inner wall of the tray 12 in place by arranging third fixing rods, and the top surface of the protective shell 21 is not higher than the upper end surface of the tray 12.

[0039] In an embodiment of the present utility model, preferably, the protective case 21 provided on the keyboard body 2 may be a semi-closed case that is square and has no bottom surface. Fixing holes are provided on two opposite side surfaces of the protective case 21 and are connected to opposite side surfaces of the tray 12 through a third fixing rod. The first positioning hole 211 provided on the top surface of the protective case 21 may be set as a square hole according to the shape of the control group 23, and the size and specification of the second positioning hole 212 are set according to the appearance of the key group 222 so that the key group 222 can be positioned in place.

[0040] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the key group 222 includes a mounting plate 221 and a plurality of keys 222. The mounting plate 221 is provided with a plurality of third positioning holes. The mounting plate 221 is used to position and install the keys 222 on the control group 23 so as to facilitate the transmission of key 222 instructions to the control group 23. The key 222 is provided with a key cap and a connecting piece. The key cap is positioned on the second positioning hole 212 and the third positioning hole. The connecting piece is installed at the bottom of the key cap. The key cap is used to protect the connecting piece and identify the function of the key 222. The connecting piece is connected to the control group 23 to facilitate the transmission of key 222 instructions to the control group 23.

[0041] In an embodiment of the present utility model, preferably, the key group 222 is mainly composed of a mounting plate 221 and a plurality of keys 222. The mounting plate 221 is installed on the bottom surface of the key 222 to connect the key 222 to the control group 23 in place, so that the function instructions of the key 222 can be transmitted to the control group 23 in time, facilitating the operator to operate the device to act. The key 222 is mainly composed of a key cap and a connecting piece. The bottom of the key cap is connected to the connecting piece. When the operator presses the key cap, the end of the connecting piece contacts the control group 23, facilitating the transmission of the signal instruction corresponding to the key 222 to the control group 23, and realizing the action of the device according to the instruction of the key 222.

[0042] As Figure 1-2 shown, as a preferred embodiment of the present utility model, the control group 23 includes a fixing plate 231, a circuit board 232, a main control board 233, and a touch screen 234. The circuit board 232 is installed below the key group 222. The fixing plate 231 is installed below the circuit board 232. The fixing plate 231 is used for positioning and installing the circuit board 232 and the main control board 233. The main control board 233 is installed on the bottom surface of the fixing plate 231. The main control board 233 is electrically connected to the circuit board 232 and the touch screen 234. The touch screen 234 is electrically connected to the circuit board 232 and is installed on the circuit board 232. The touch screen 234 is positioned on the first positioning hole 211 of the protective case 21.

[0043] In an embodiment of the present utility model, preferably, the control group 23 mainly consists of a fixing plate 231, a circuit board 232, a main control board 233, and a touch screen 234. The circuit board 232 is installed at the bottom of the connection piece for modeling. A plurality of potential connection points are provided on the circuit board 232. When the connection piece contacts the corresponding potential connection points, the corresponding instruction information can be transmitted to the main control board 233. The main control board 233 is installed on the bottom surface of the circuit board 232 and is electrically connected thereto. The touch screen 234 can be used for outputting operation keyboard instructions. The touch screen 234 can be installed and fixed on the first positioning hole 211 and is electrically connected to the main control board 233.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A drawer-type keyboard, characterized in that, The drawer-type keyboard comprises: a mounting frame and a keyboard body; The mounting frame is provided with a cavity structure, and the cavity structure is used to mount the keyboard body. The mounting frame includes a fixed frame, a tray, a suction cup group and a moving group. The fixed frame is installed inside the device, and the fixed frame is used for positioning and mounting the suction cup group and the moving group. The two sides of the tray are connected to the moving group. The tray is used to support the keyboard body, and the suction cup group is used to position the keyboard body. The moving group is used to guide the movement of the keyboard body on the tray; The keyboard body is installed on the mounting frame, and the keyboard body includes a protective shell, a button group and a control group. The protective shell is set as a hollow shell, and the protective shell is installed on the tray. Both sides of the protective shell are connected to the moving group. The protective shell is used for positioning and installing the button group and the control group. The button group is electrically connected to the control group, and the control group is used to transmit the command information on the button group to the device.

2. The drawer-type keyboard according to claim 1, wherein The fixing frame is provided with a U-shaped plate and a U-shaped frame, and the two side plates of the U-shaped frame are fixedly connected with the two wing plates of the U-shaped plate by screws so that the fixing frame is a square semi-closed shell, and the first fixing block and the second fixing block are provided at one end of the two side plates of the U-shaped frame, and the first fixing block and the second fixing block are fixedly connected with the device by providing a first fixing rod; the first mounting position and the second mounting position are respectively provided on the two wing plates of the U-shaped plate, and the first mounting position and the second mounting position are used for positioning and installing the mobile group; the first through hole and the second through hole are provided on the bottom surface of the U-shaped plate, and the first through hole wall is provided with a first protrusion, and the upper end of the first protrusion is not higher than the upper end surface of the fixing frame, and the second protrusion is provided on the wall of the second through hole, and the upper end of the second protrusion is not higher than the upper end surface of the fixing frame and has the same height as the first protrusion, and the first protrusion and the second protrusion are respectively provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are used for positioning and installing the suction cup group; the back of the U-shaped frame is provided with a third mounting position, and the third mounting position is used for positioning the keyboard body.

3. The drawer-type keyboard according to claim 1, wherein The tray is a square semi-enclosed shell, and a plurality of connecting holes are arranged on both side surfaces of the outer wall of the tray. The connecting holes are fixedly connected to the moving group by a second fixing rod so that the moving group can guide the movement of the tray and the keyboard body. A third protrusion and a fourth protrusion are arranged on the bottom surface of the tray. The third protrusion and the fourth protrusion are not higher than the upper end surface of the tray. The third protrusion and the fourth protrusion are connected to the fixing frame through a suction cup group. A handle is arranged on the front of the tray, and the handle is used by the operator to pull out the tray and the keyboard body for the convenience of equipment action control.

4. The drawer-type keyboard according to claim 2, wherein The suction cup group is provided with a first magnet and a second magnet, the first magnet is installed on the first mounting hole of the first protrusion through a screw sleeve, and the second magnet is installed on the second mounting hole of the second protrusion through a screw sleeve.

5. The drawer-type keyboard according to claim 2, wherein The moving group includes a first guide rail group and a second guide rail group. The first guide rail group is provided with a first slideway and a first guide rail. The first slideway is installed at the first installation position of the fixed frame, and the first guide rail is installed on one side surface of the outer wall of the tray. The first slideway is slidably connected to the first guide rail. The second guide rail group is provided with a second slideway and a second guide rail. The second slideway is installed at the second installation position of the fixed frame, and the second guide rail is installed on the other side surface of the outer wall of the tray and is opposite to the second guide rail. The second guide rail is slidably connected to the second slideway.

6. The drawer-type keyboard according to claim 2, wherein, The keyboard body further includes a spring connecting wire. One end of the spring connecting wire is installed on the protective shell, and the other end passes through the third installation position of the fixed frame and is connected to an external device. The spring connecting wire is used to limit the moving stroke of the keyboard body so that the keyboard can be connected to the device synchronously when it is pulled out or retracted in the fixed frame.

7. The drawer-type keyboard according to claim 1, wherein The protective shell is a square semi-closed shell. The top surface of the protective shell is provided with a first positioning hole and a plurality of second positioning holes. The first positioning hole is used for the positioning installation of the control group, and the second positioning hole is used for the positioning installation of the key group. A plurality of fixing holes are provided on two opposite side surfaces of the protective shell. The protective shell is connected to both side surfaces of the inner wall of the tray in place by arranging a third fixing rod. The top surface of the protective shell is not higher than the upper end surface of the tray.

8. The drawer-type keyboard according to claim 7, wherein, The key group includes a mounting plate and a plurality of keys. The mounting plate is provided with a plurality of third positioning holes. The mounting plate is used to position and install the keys on the control group so as to transmit key instructions to the control group. The keys are provided with key caps and connecting pieces. The key caps are positioned on the second positioning holes and the third positioning holes. The connecting pieces are installed at the bottom of the key caps. The key caps are used to protect the connecting pieces and identify the functions of the keys. The connecting pieces are connected to the control group so as to transmit key instructions to the control group.

9. The drawer-type keyboard according to claim 8, wherein, The control group includes a fixing plate, a circuit board, a main control board and a touch screen. The circuit board is installed below the key group, and the fixing plate is installed below the circuit board. The fixing plate is used for the positioning installation of the circuit board and the main control board. The main control board is installed on the bottom surface of the fixing plate. The main control board is electrically connected to the circuit board and the touch screen. The touch screen is electrically connected to the circuit board and is installed on the circuit board. The touch screen is positioned on the first positioning hole of the protective shell.

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