Handheld teaching control device

Abstract

The utility model discloses a handheld teaching control device in the technical field of teaching control equipment, which comprises two shells, mounting assemblies for mounting are arranged in the shells, lock catch assemblies for positioning are arranged in the shells, and protection structures for preventing falling are arranged on the edges in the shells. Wherein a first fixing column is arranged in one shell, a second fixing column is arranged in the other shell, the first fixing column and the second fixing column are correspondingly attached, a spring extrudes a connecting plate, and meanwhile, the connecting plate slides on the outer side of a guide rod; and then the connecting plate drives the lock catch block to be embedded into the lock catch groove to lock and fix the fixed rod, so that the problems that an existing device is easy to slide and fall off when held for control, the anti-seismic and anti-falling protection effect is poor, the device is easy to fall off and be damaged, the existing device is inconvenient to disassemble and assemble, the shell of the device is easy to damage in the disassembly and assembly process, and the service life of the device is prolonged are solved. And a user cannot conveniently disassemble and assemble the equipment for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching control equipment, in particular to a handheld teaching control device. Background Art

[0002] Teachers used to teach with the help of text, sound and pictures, but now they use a variety of electronic media such as slides, projections, recordings and videos for comprehensive classroom teaching. This teaching technology is also called multimedia combined teaching or electronic teaching. The teaching process is now usually assisted by multimedia teaching equipment. Multimedia teaching refers to the process of teaching, according to the teaching objectives and the characteristics of the teaching objects, through teaching design, the rational selection and use of modern teaching media, and the organic combination with traditional teaching methods, and the joint participation in the whole teaching process, so as to act on students with a variety of media information, form a reasonable teaching process structure, and achieve the best teaching effect. In order to facilitate teachers to control multimedia demonstration equipment, they usually use a handheld controller with laser control function. This controller is usually installed by snap-on or bolts, and the disassembly and assembly process is inconvenient and prone to damage.

[0003] The existing device is prone to slipping and falling off when being held for control, and has poor anti-vibration and anti-fall protection, which can easily cause the device to fall and be damaged. In addition, the existing device is inconvenient to disassemble and assemble, and the device housing 1 is easily damaged during the disassembly and assembly process, which is not convenient for users to disassemble and assemble the device for maintenance. Therefore, the technical personnel in this field provide a handheld teaching control device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a handheld teaching control device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a handheld teaching control device, comprising two shells, a mounting assembly for installation is provided inside the shells, a locking assembly for positioning is installed inside the shells, and a protective structure for preventing falling is installed on the inner edge of the shells;

[0006] A first fixing column is provided inside one of the shells, and a second fixing column is provided inside the other shell. The first fixing column and the second fixing column are correspondingly fitted, and the two shells are spliced ​​and installed through a locking assembly.

[0007] Preferably: the installation assembly includes an active cavity opened on the inner side of the first fixed column, a screw rod passing through the active cavity for driving, a sliding plate is mounted on the outer end of the screw rod, two limit rods pass through the active cavity, a fixed rod is connected to the bottom of the sliding plate, a fixing groove for fixing is opened on the top of the second fixed column, the screw rod is rotatably connected to the sliding plate, and the screw rod passes through the active cavity and is threadedly connected to the sliding plate.

[0008] Preferably: the locking assembly includes a movable groove opened on one side of the second fixed column, a connecting plate slidably connected to the movable groove, a locking block is connected to one side of the connecting plate, a locking groove is opened on the other side of the fixed rod, and the cross-section of the connecting plate is Z-shaped.

[0009] Preferably, the locking assembly further comprises a guide rod fixedly connected to the movable groove, a spring for squeezing is sleeved on the outer side of the guide rod, the guide rod is located on the inner side of the spring, and the guide rod passes through the connecting plate and is slidably connected thereto.

[0010] Preferably, the protection structure comprises two groups of positioning plates fixedly connected to the inside of the shell, a buffer pad is placed between the inner wall of the shell and the positioning plates, and each group of the positioning plates comprises two.

[0011] Preferably, the protection structure further comprises a plurality of elastic members arranged evenly on the inner side of the buffer pad, and the cross-sections of both sides of the elastic members are arc-shaped.

[0012] Preferably, an anti-skid pad is provided on the other side of the shell to prevent slipping, and three gripping grooves are respectively provided on both sides of the shell for easy picking up, and the cross-section of the gripping groove is arc-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by setting the first fixing column and the second fixing column, the protective structure can be used to protect the electronic components in the shell from shock and fall, so as to avoid damage to the electronic components caused by the shell falling. The two shells are spliced ​​and fitted, and the first fixing column and the second fixing column are spliced ​​and fitted at the same time. Then, the first fixing column and the second fixing column are locked and fixed by the locking assembly and the installation assembly, so that the two shells are installed and fixed by the first fixing column and the second fixing column, thereby improving the convenience of disassembling and assembling the shell.

[0015] 2. In the utility model, a screw rod, a fixing groove, a connecting plate, a locking block and a spring are provided. The fixing rod is made of rubber material. The fixing rod and the fixing groove are fixed by interference fit. The two limit rods can guide and limit the sliding plate to prevent the sliding plate from rotating or deviating. The screw rod can be used to drive the fixing rod to move up and down through the sliding plate. The bottom of the fixing rod is inserted into the fixing groove at the top of the second fixing column. The bottom of the fixing rod squeezes the locking block, and then the locking block squeezes the spring through the connecting plate. After the fixing rod moves down, the squeezing force on the locking block disappears, and then the spring in the movable groove squeezes the connecting plate, and at the same time the connecting plate slides on the outside of the guide rod, and then the connecting plate drives the locking block to be embedded in the locking groove to lock and fix the fixing rod, thereby improving the convenience and stability of disassembling and assembling the two shells, so that users can disassemble and assemble for maintenance.

[0016] 3. In the present invention, by providing a buffer pad and an elastic member, the elastic member can support the buffer pad, and the buffer pad can provide anti-fall and anti-vibration protection for the electronic components in the device, thereby preventing the device from being damaged by bumps or vibrations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle;

[0022] Figure 6 It is a schematic structural diagram of the shell and the second fixing column in the overall structure of the utility model.

[0023] In the figure: 1. shell; 2. first fixed column; 3. second fixed column; 4. movable cavity; 5. screw; 6. sliding plate; 7. limit rod; 8. fixed rod; 9. fixed groove; 10. movable groove; 11. connecting plate; 12. locking block; 13. locking groove; 14. guide rod; 15. spring; 16. positioning plate; 17. buffer pad; 18. elastic member; 19. anti-slip pad; 20. holding groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 to Figure 6 In an embodiment of the utility model, a handheld teaching control device includes two shells 1, a mounting assembly for installation is provided inside the shell 1, a locking assembly for positioning is installed inside the shell 1, and a protective structure for anti-fall is installed on the inner edge of the shell 1, a first fixing column 2 is provided inside one of the shells 1, and a second fixing column 3 is provided inside the other shell 1, the first fixing column 2 and the second fixing column 3 are correspondingly fitted, and the two shells 1 are spliced ​​and installed through the locking assembly.

[0026] When in use, the protective structure can be used to provide shock-proof and fall-proof protection for the electronic components in the shell 1, so as to prevent the shell 1 from falling and causing damage to the electronic components. The two shells 1 are spliced ​​and fitted together, and the first fixing column 2 and the second fixing column 3 are spliced ​​and fitted together. Then, the locking assembly and the installation assembly are used to lock and fix the first fixing column 2 and the second fixing column 3, so that the two shells 1 are installed and fixed by the first fixing column 2 and the second fixing column 3, thereby improving the convenience of disassembly and assembly of the shell 1.

[0027] In one embodiment, specifically, the installation assembly includes an active cavity 4 opened on the inner side of the first fixed column 2, a screw rod 5 running through the active cavity 4 for driving, a sliding plate 6 is mounted on the outer end of the screw rod 5, two limit rods 7 run through the active cavity 4, a fixed rod 8 is connected to the bottom of the sliding plate 6, a fixing groove 9 for fixing is opened on the top of the second fixed column 3, the locking assembly includes an active groove 10 opened on one side of the second fixed column 3, a connecting plate 11 slidably connected to the active groove 10, a locking block 12 is connected to one side of the connecting plate 11, a locking groove 13 is opened on the other side of the fixed rod 8, and the locking assembly also includes a guide rod 14 fixedly connected to the active groove 10, and a spring 15 for squeezing is mounted on the outer side of the guide rod 14.

[0028] When in use, the fixing rod 8 is made of rubber material, and the fixing rod 8 is fixed with an interference fit to the inner wall of the fixing groove 9. The screw 5 can be used to drive the fixing rod 8 to move up and down through the sliding plate 6. The bottom of the fixing rod 8 is inserted into the fixing groove 9 at the top of the second fixing column 3. The bottom of the fixing rod 8 squeezes the locking block 12, and then the locking block 12 squeezes the spring 15 through the connecting plate 11. After the fixing rod 8 moves down, the squeezing force on the locking block 12 disappears, and then the spring 15 in the movable groove 10 squeezes the connecting plate 11, and at the same time, the connecting plate 11 slides on the outside of the guide rod 14, and then the connecting plate 11 drives the locking block 12 to embed into the locking groove 13 to lock and fix the fixing rod 8, thereby improving the convenience and stability of disassembling and assembling the two shells 1, so that the user can disassemble and assemble for maintenance.

[0029] Among them, the protection structure includes two groups of positioning plates 16 fixedly connected to the inside of the shell 1, and a buffer pad 17 is placed between the inner wall of the shell 1 and the positioning plate 16. The protection structure also includes a plurality of elastic members 18 evenly arranged on the inner side of the buffer pad 17. The cross-sections on both sides of the elastic member 18 are arc-shaped. The elastic member 18 can support the buffer pad 17. The buffer pad 17 can provide anti-fall and anti-vibration protection for the electronic components in the device to prevent the device from being damaged by bumps or vibrations.

[0030] Furthermore, an anti-skid pad 19 is provided on the other side of the shell 1 to prevent slipping, and three gripping grooves 20 are respectively provided on both sides of the shell 1 for easy picking up, and the cross-section of the gripping grooves 20 is arc-shaped.

[0031] The gripping groove 20 is used to facilitate the user to grip the device, and the anti-slip pad 19 fits tightly against the palm when the housing 1 is gripped, thereby preventing the device from falling and being damaged.

[0032] The working principle of this utility model:

[0033] First, when installing the shell 1, the two shells 1 are spliced ​​and installed, and then the screw 5 is rotated to drive the fixing rod 8 to move downward through the sliding plate 6. At the same time, the sliding plate 6 slides outside the limiting rod 7, and then the bottom of the fixing rod 8 is inserted into the fixing groove 9 at the top of the second fixing column 3, and then the bottom of the fixing rod 8 squeezes the locking block 12, and then the locking block 12 squeezes the spring 15 through the connecting plate 11. After the fixing rod 8 moves downward, the squeezing force on the locking block 12 disappears, and the spring 15 in the movable groove 10 squeezes the connecting plate 1 1 is squeezed, and at the same time, the connecting plate 11 slides on the outside of the guide rod 14, and then the connecting plate 11 drives the locking block 12 to embed into the locking groove 13 to lock and fix the fixing rod 8, so that the first fixing column 2 and the second fixing column 3 are installed and fixed by the locking block 12, and then the user holds the device through the holding groove 20, and at the same time, the anti-slip pad 19 fits with the user's hand, the positioning plate 16 in the shell 1 positions the buffer pad 17, and then the multiple elastic members 18 in the buffer pad 17 can support the buffer pad 17.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A handheld teaching control device, comprising two housings (1), characterized in that: The shell (1) is provided with an installation component for installation, the shell (1) is provided with a locking component for positioning, and the inner edge of the shell (1) is provided with a protective structure for preventing falling; A first fixing column (2) is provided inside one of the shells (1), and a second fixing column (3) is provided inside the other shell (1); the first fixing column (2) and the second fixing column (3) are correspondingly fitted, and the two shells (1) are spliced ​​and installed by means of a locking assembly.

2. A handheld teaching control device according to claim 1, characterized in that: The mounting assembly comprises an active cavity (4) provided on the inner side of a first fixed column (2), a screw rod (5) passing through the active cavity (4) for driving, a sliding plate (6) being sleeved on the outer end of the screw rod (5), two limit rods (7) passing through the active cavity (4), a fixed rod (8) being connected to the bottom of the sliding plate (6), a fixing groove (9) for fixing being provided on the top of the second fixed column (3), the screw rod (5) being rotatably connected to the sliding plate (6), and the screw rod (5) passing through the active cavity (4) and being screwed thereto.

3. A handheld teaching control device according to claim 2, characterized in that: The locking assembly comprises a movable groove (10) provided on one side of the second fixed column (3), a connecting plate (11) slidably connected to the movable groove (10), a locking block (12) being connected to one side of the connecting plate (11), and a locking groove (13) being provided on the other side of the fixed rod (8), and the connecting plate (11) has a Z-shaped cross section.

4. A handheld teaching control device according to claim 1, characterized in that: The locking assembly also includes a guide rod (14) fixedly connected to the movable groove (10), a spring (15) for squeezing is sleeved on the outer side of the guide rod (14), the guide rod (14) is located on the inner side of the spring (15), and the guide rod (14) passes through the connecting plate (11) and is slidably connected thereto.

5. A handheld teaching control device according to claim 1, characterized in that: The protective structure comprises two groups of positioning plates (16) fixedly connected to the inside of the shell (1), a buffer pad (17) is placed between the inner wall of the shell (1) and the positioning plates (16), and each group of the positioning plates (16) comprises two.

6. A handheld teaching control device according to claim 5, characterized in that: The protection structure also includes a plurality of elastic members (18) arranged evenly inside the buffer pad (17), and the cross-sections of both sides of the elastic members (18) are arc-shaped.

7. The handheld teaching control device according to claim 1, characterized in that: The other side of the shell (1) is provided with an anti-skid pad (19) for preventing skidding, and three gripping grooves (20) for easy picking are respectively provided on both sides of the shell (1), wherein the cross section of the gripping grooves (20) is arc-shaped.

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