JP2020179138A - Telescopic and time-limit settable toothbrush - Google Patents

Abstract

To disclose a telescopic and time limit settable toothbrush.SOLUTION: In a telescopic and time limit settable toothbrush including a time limit setting box, a time limit setting chamber is arranged in the time limit setting box, a time limit setting mechanism is arranged in the time limit setting chamber, the time limit setting mechanism includes a return box, the time limit setting mechanism includes a ratchet chamber arranged in the return box, a direction change chamber is arranged at a left side of the ratchet chamber, a time limit setting main rod is rotatably attached between the direction change chamber and the return box, a power spring in the time limit setting mechanism stores energy, the energy is radiated by the power spring, a time of toothbrushing is set, such a problem that a time for use in the toothbrushing is too long of too short is prevented, and a length of the toothbrush can be adjusted by rotating a screw thread main block in an elongation mechanism, thus making a larger number of people satisfy the needs of the toothbrush.SELECTED DRAWING: Figure 1

Description

The present invention takes up the field of toothbrushes, and specifically is a toothbrush that can be expanded and contracted and can be timed.

Toothbrushes are used every day to protect the health of the teeth, and among the existing technologies, general toothbrushes cannot set the toothbrushing time, and if the toothbrushing time is too short, you can brush your teeth cleanly. If you don't brush your teeth too long, you may damage your tooth health and you need to adjust the length of your toothbrush according to your toothbrush needs to satisfy more people's brushing habits. Therefore, there is a need for a toothbrush that is stretchable, variable in length, and capable of setting the time for brushing.

Chinese Patent Application Publication No. 104203148

An object of the present invention provides a stretchable and timetable toothbrush, which can solve the problems in the current art described above.

A time setting box is included, a time setting chamber is provided in the time setting box, a time setting mechanism is provided in the time setting chamber, and the time setting mechanism includes a return box, and the return box includes a return box. A time setting main rod is provided inside, the time setting main rod is provided with a second gear and a third gear, the third gear is meshed with a fourth gear, and the time setting mechanism is A turning chamber is also included, a turning board is provided in the turning chamber, a starting mechanism is provided on the left side of the time setting mechanism, and the starting mechanism includes a main button chamber and a sub-communication chamber, and the main button. A main button is provided in the chamber, a main hook groove is provided in the main button, a connecting rod is connected to the main button, and a moving block is provided in the sub-communication chamber. A telescopic mechanism is provided on the left side of the time setting mechanism, the telescopic mechanism includes a sub-thread block, a telescopic chamber is provided in the sub-thread block, and an auxiliary rotary rod is provided in the telescopic chamber. Is provided, a brushing mechanism is provided on the left side of the telescopic mechanism, the brushing mechanism includes a tooth brushing block, and a brush machine is provided in the tooth brushing block.

Further technical plan, the time setting mechanism includes a claw wheel chamber provided in the return box, a direction change chamber is provided on the left side of the claw wheel chamber, and the time setting main rod is the direction change chamber. And the right end surface of the return box, the second gear is located on the right end surface of the time setting main rod, and a fixed rod is provided on the right side wall of the time setting chamber. A first gear is provided on the left end surface of the fixed rod, the first gear and the second gear are meshed with each other, and a spring chamber is provided on the right side of the claw wheel chamber. A time setting sub rod is installed between the spring chamber and the claw wheel chamber so as to be rotatable, and a Zenmai spring is provided on the right end surface of the time setting sub rod, and the time setting main rod and the time setting sub rod are provided. A time setting gear is provided where the rod is located in the claw wheel chamber, a main pawl is provided on the left end surface of the time setting gear, and a position limit is provided in the right wall of the claw wheel chamber. Grooves are provided symmetrically in the vertical direction, and the position limiting rod is mounted in the position limiting groove so as to be slidable. A main gear wheel is provided on the left end surface of the position limiting rod, and the upper and lower main gears are provided. A time setting chain is installed between the cars so that it can be transmitted, a deceleration chamber is provided on the left side of the claw wheel chamber, and a deceleration box is provided on the left end surface of the time setting sub rod. A turning chamber is provided on the left side, a deceleration rod penetrating the right wall of the turning chamber is provided on the left end surface of the deceleration box, and the turning board is located on the left end surface of the deceleration rod. A drive rod is provided on the left end surface of the board, the third gear is located on the left end surface of the time setting main rod, and the direction change rod can rotate between the direction change chamber and the turning chamber. The fourth gear is located on the right end surface of the direction changing rod, the fourth gear and the third gear are meshed with each other, and the left end surface of the direction changing rod has an auxiliary claw. A wheel is provided, a driven rod for one round is provided on the left end surface of the sub-claw wheel, an opening / closing box is attached to the left end surface of the time setting box so as to rotate, and a transmission chamber is provided on the left side of the turning chamber. Is provided, and a rotating rod is attached between the transmission chamber and the rotating chamber so that the rotating rod can rotate, and a return tooth is provided on the right end surface of the rotating rod. A wheel is provided, and an auxiliary pawl is provided on the left end surface of the return gear.

A further technical plan, the activation mechanism includes the main button when slidably mounted in the main button chamber, and a main button between the bottom end face of the main button and the bottom wall of the main button chamber. A spring is provided, a hook block is attached to the top wall of the main hook groove by a hinge, and a hook block spring is provided between the hook block and the top wall of the main hook groove. A sub-hook groove is provided on the left side so as to communicate with each other, a sub-button chamber is provided above the sub-hook groove so as to communicate with the sub-button chamber, and the sub-button is mounted in the sub-button chamber so as to slide. A push block is provided on the bottom end surface of the sub button, a sub button spring is provided between the bottom end face of the sub button and the bottom wall of the sub button chamber, and the moving block is inside the sub communication chamber. A sub-communication block is symmetrically provided vertically on the left end surface of the moving block, and the connecting rod is positioned between the bottom end surface of the main button and the top end surface of the moving block. The sub-communication chamber and the transmission chamber are communicated with each other, and a transmission rod is attached between the front and rear walls of the transmission chamber so as to be rotatable, and the transmission rod is provided with a transmission gear. The transmission gear and the moving block are meshed with each other, a first umbrella gear is provided at a position where the transmission rod is located on the front side of the transmission gear, and a second umbrella gear is provided on the left end surface of the rotary rod. The second umbrella gear and the first umbrella gear are meshed with each other, the main communication chamber communicates with the left side of the sub communication chamber, and the motor is inside the left wall of the main communication chamber. Is provided, electric wires are symmetrically connected vertically to the right end surface of the motor, and a main communication block is provided on the right end surface of the electric wires.

A further technical plan, the telescopic mechanism includes a threaded main block rotatably attached to the left wall of the open / close box, the secondary threaded block being threaded into the threaded main block, said A motor rod penetrating the right wall of the telescopic chamber is provided on the left end surface of the output shaft facing left of the motor, and the auxiliary rotary rod is mounted so as to be rotatable in the telescopic chamber. A main slide groove is provided inside, and the sub slide groove is provided so as to be symmetrically communicated vertically in the main slide groove, and the motor rod and the main slide groove are attached so as to be slidable. A slide limiting block is provided symmetrically in the vertical direction on the left end surface of the motor rod, and the slide limiting block and the sub slide groove are attached so as to be slidable.

Further technical plan, the brushing mechanism includes a toothbrushing block located on the left end surface of the secondary thread block, a meshing chamber is provided in the toothbrushing block, and the auxiliary rotary rod extends to the left to form the meshing chamber. A meshing gear is provided on the left end surface of the auxiliary rotating rod, and the brush plate is mounted so as to be rotatable in the bottom end surface of the toothpaste block, and the top end surface of the brush plate is installed. And the bottom end face of the meshing gear are meshed with each other, and a brush is provided on the bottom end face of the brushing machine.

The structure of the present invention is simple and convenient to operate. By rotating the time setting box, the mainspring in the time setting mechanism stores energy, and the mainspring releases energy to set the toothbrushing time and brush the teeth. Preventing the problem of too long or too short time spent on the toothbrush, the length of the toothbrush can be adjusted by rotating the thread main block in the telescopic mechanism, more people satisfying the need for toothbrush , Worth the spread.

In order to explain the present invention in detail with reference to FIGS. 1 to 4 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention, and is described above and below. The left-right front-back direction and the up-down, left-right front-back direction of the self-projection relationship in FIG. 1 are the same.

FIG. 1 is a schematic configuration diagram of the present invention. FIG. 2 is a schematic cross-sectional configuration of AA of FIG. FIG. 3 is a schematic cross-sectional configuration of BB of FIG. FIG. 4 is an enlarged schematic view of C in FIG.

With reference to FIGS. 1 to 4, the telescopic and time-setting toothbrush of the present invention includes a time-setting box 16, and a time-setting chamber 15 is provided in the time-setting box 16 of the time-setting chamber 15. A time setting mechanism 90 is provided therein, the time setting mechanism 90 includes a return box 17, a time setting main rod 11 is provided in the return box 17, and a second time setting main rod 11 is provided. A gear 12 and a third gear 63 are provided, and a fourth gear 62 is meshed with the third gear 63. The time setting mechanism 90 also includes a turning chamber 26, and the turning chamber 26 contains a turning chamber 26. A board 27 is provided, and a start mechanism 95 is provided on the left side of the time setting mechanism 90. The start mechanism 95 includes a main button chamber 29 and a sub-communication chamber 52, and the main button chamber 29 contains a main. A button 30 is provided, a main hook groove 79 is provided in the main button 30, a connecting rod 31 is connected to the main button 30, and a moving block 51 is provided in the sub-communication chamber 52. An expansion / contraction mechanism 100 is provided on the left side of the time setting mechanism 90, the expansion / contraction mechanism 100 includes a sub-thread block 42, and an expansion / contraction chamber 81 is provided in the sub-thread block 42. An auxiliary rotary rod 45 is provided in 81, a brushing mechanism 105 is provided on the left side of the telescopic mechanism 100, the brushing mechanism 105 includes a tooth brushing block 46, and a brush board 49 is contained in the tooth brushing block 46. Is provided.

The time setting mechanism 90 includes a claw wheel chamber 82 provided in the return box 17, a direction change chamber 64 is provided on the left side of the claw wheel chamber 82, and the time setting main rod 11 changes the direction. Attached so as to be rotatable between the chamber 64 and the right end surface of the return box 17, the second gear 12 is located on the right end surface of the time setting main rod 11 and is located on the right end surface of the time setting chamber 15. Is provided with a fixed rod 13, a first gear 14 is provided on the left end surface of the fixed rod 13, and the first gear 14 and the second gear 12 are meshed with each other, and the claw wheel chamber 82. A gear spring chamber 18 is provided on the right side, and a time setting sub rod 20 is attached between the gear spring chamber 18 and the gear wheel chamber 82 so as to be rotatable, and is attached to the right end surface of the time setting sub rod 20. A time setting gear 71 is provided where the time setting main rod 11 and the time setting sub rod 20 are located in the claw wheel chamber 82, and the time setting gear 71 is provided. A main pawl 70 is provided on the left end surface, a position limiting groove 65 is provided symmetrically vertically in the right wall of the claw wheel chamber 82, and a position limiting rod 21 is provided in the position limiting groove 65. A main claw wheel 22 is provided on the left end surface of the position limiting rod 21 so as to be slidable, and a time setting chain 83 is attached between the upper and lower main claw wheels 22 so that the time setting chain 83 can be transmitted. A deceleration chamber 24 is provided on the left side of the vehicle chamber 82, a deceleration box 23 is provided on the left end surface of the time setting sub rod 20, and a turning chamber 26 is provided on the left side of the deceleration chamber 24. A deceleration rod 25 penetrating the right side wall of the turning chamber 26 is provided on the left end surface of the 23, the turning plate 27 is located on the left end surface of the deceleration rod 25, and the left end surface of the turning plate 27 A drive rod 66 is provided, the third gear 63 is located on the left end surface of the timed setting main rod 11, and the direction changing rod 61 can rotate between the direction changing chamber 64 and the turning chamber 26. The fourth gear 62 is located on the right end surface of the direction changing rod 61, the fourth gear 62 and the third gear 63 are meshed with each other, and the left end of the direction changing rod 61. An auxiliary gear 69 is provided on the surface, and a driven rod 58 that makes a round is provided on the left end surface of the auxiliary gear 69. An opening / closing box 33 is attached to the left end surface of the time setting box 16 so as to be rotatable, and a transmission chamber 57 is provided on the left side of the rotation chamber 26 between the transmission chamber 57 and the rotation chamber 26. The rotary rod 28 is attached so as to be rotatable, a return gear 67 is provided on the right end surface of the rotary rod 28, and an auxiliary pawl 68 is provided on the left end surface of the return gear 67, whereby a time limit is manually provided. The setting box 16 is rotated to rotate and interlock the zenmai spring 19, and the time setting is started. The zenmai spring 19 is inverted and the time setting sub rod 20 is rotated and interlocked, and the upper main claw wheel 22 does not rotate and the time is set. The setting sub-rod 20 rotates and interlocks the rotating rod 28, the sub-claw wheel 69 rotates and interlocks the time setting main rod 11, the lower main claw wheel 22 does not rotate, the second gear 12 rotates, and the time limit is set. Box 16 returns.

The activation mechanism 95 includes the main button 30 when it is slidably mounted in the main button chamber 29, and the main button is between the bottom end surface of the main button 30 and the bottom wall of the main button chamber 29. A spring 32 is provided, a hook block 77 is attached to the top wall of the main hook groove 79 by a hinge, and a hook block spring 78 is provided between the hook block 77 and the top wall of the main hook groove 79. A sub-hooking groove 74 is provided on the left side of the main button chamber 29 so as to communicate with each other, and a sub-button chamber 75 is provided above the sub-hooking groove 74 so as to communicate with the sub-button chamber 75. A push block 73 is provided on the bottom end surface of the sub button 76 so that the sub button 76 can slide, and between the bottom end face of the sub button 76 and the bottom wall of the sub button chamber 75. A sub-button spring 72 is provided, the moving block 51 is mounted so as to slide into the sub-communication chamber 52, and the sub-communication block 34 is provided symmetrically in the vertical direction on the left end surface of the moving block 51. The connecting rod 31 is located between the bottom end surface of the main button 30 and the top end surface of the moving block 51, and the sub-communication chamber 52 and the transmission chamber 57 communicate with each other, and the transmission chamber 57 A transmission rod 55 is attached between the front and rear walls so that the transmission rod 55 can rotate, and the transmission rod 55 is provided with a transmission gear 53, and the transmission gear 53 and the movement block 51 are engaged with each other. A first umbrella gear 54 is provided at a position on the front side of the transmission gear 53, a second umbrella gear 56 is provided on the left end surface of the rotary rod 28, and the second umbrella gear 56 and the first umbrella gear 56 are provided. The umbrella gear 54 is meshed with the main communication chamber 37 on the left side of the sub communication chamber 52, and a motor 38 is provided in the left wall of the main communication chamber 37. The electric wire 36 is symmetrically connected vertically to the right end surface of the electric wire 36, a main communication block 35 is provided on the right end surface of the electric wire 36, and the main communication block 30 is manually pressed to connect the sub communication block 34 and the main communication block 35. When the power is turned on, the motor 38 operates and the rotating rod 28 is rotated and interlocked, the auxiliary claw wheel 69 does not rotate, and the time setting is reset, the rotating rod 28 moves. When the lock 51 is moved and interlocked upward, the sub-communication block 34 and the main communication block 35 are separated, the motor 38 stops operating, and the motor 38 is manually stopped, the sub-button 76 is manually pressed to operate the motor 38. Stop.

The telescopic mechanism 100 includes a thread main block 40 rotatably attached to the left wall of the opening / closing box 33, and a sub-thread block 42 is threaded into the thread main block 40. A motor rod 39 penetrating the right wall of the telescopic chamber 81 is provided on the left end surface of the output shaft facing left of the motor 38, and the auxiliary rotary rod 45 is mounted so as to be rotatable in the telescopic chamber 81. A main slide groove 44 is provided in the auxiliary rotary rod 45, and an auxiliary slide groove 43 is provided in the main slide groove 44 so as to communicate symmetrically in the vertical direction, and the motor rod 39 and the main slide groove are provided. The slide limiting block 41 is vertically symmetrically provided on the left end surface of the motor rod 39 so that the 44 can be slid, and the slide limiting block 41 and the sub slide groove 43 can be slid. By manually rotating the screw thread main block 40, the auxiliary rotation rod 45 is moved and interlocked to the left and right, and the motor rod 39 slides in the main slide groove 44.

The brushing mechanism 105 includes a toothbrushing block 46 located on the left end surface of the secondary thread block 42, a meshing chamber 48 is provided in the toothbrushing block 46, and the auxiliary rotating rod 45 extends to the left to engage the meshing. A meshing gear 47 is provided on the left end surface of the auxiliary rotating rod 45, penetrating the right side wall of the chamber 48, and the brush plate 49 is mounted so as to be rotatable in the bottom end surface of the toothpaste block 46. The top end face of the brush board 49 and the bottom end face of the meshing gear 47 are meshed with each other, and a brush 50 is provided on the bottom end face of the brush board 49, whereby the motor 38 operates and the brush board 49 is rotated and interlocked. The brush 50 brushes the teeth.

When in use, the time setting box 16 is manually rotated so that the fixed rod 13 is rotationally interlocked, the fixed rod 13 is rotated and the first gear 14 is rotationally interlocked, and the first gear 14 is connected to the second gear 12. The time setting main rod 11 is rotationally interlocked by meshing, the time setting main rod 11 is rotated and the lower time setting gear 71 is rotationally interlocked, and the lower time setting gear 71 is rotated and the lower main is rotated by the main pawl 70. The claw wheel 22 is rotated and interlocked, the lower main claw wheel 22 is rotated, the upper main claw wheel 22 is rotated and interlocked by the time setting chain 83, the upper main claw wheel 22 is rotated, and the time setting sub rod 20 is rotated. Interlocked, the time setting sub rod 20 rotates and the zenmai spring 19 is rotated and interlocked, the time setting is started, the zenmai spring 19 is inverted and the time setting sub rod 20 is rotated and interlocked, and the upper main claw wheel 22 rotates. Instead, the time setting sub-rod 20 rotates and the deceleration rod 25 is rotationally interlocked by the deceleration box 23, the deceleration rod 25 is rotated and the rotating disc 27 is rotated and interlocked, the rotating disc 27 is rotated and the driven rod 58 is driven by the drive rod 66. , The auxiliary claw wheel 69 is rotated and interlocked, the sub claw wheel 69 is rotated and the return gear 67 is rotationally interlocked by the auxiliary pawl 68, the return gear 67 is rotated and the rotary rod 28 is rotationally interlocked, and the sub claw wheel 69 is rotated. The rotation and direction change rod 61 is rotationally interlocked, the direction change rod 61 is rotated and the fourth gear 62 is rotationally interlocked, and the fourth gear 62 is meshed with the third gear 63 to rotationally interlock the time setting main rod 11. The lower main claw wheel 22 does not rotate, the time setting main rod 11 rotates and the second gear 12 is rotated and interlocked, the time setting box 16 returns, the main button 30 is manually pressed, and the hook block 77 is subordinate. It gets caught in the hook groove 74, the connecting rod 31 moves downward and the moving block 51 moves downward and interlocks, the moving block 51 moves downward and energizes the sub communication block 34 and the main communication block 35, and the motor. 38 operates, the moving block 51 moves downward, the transmission gear 53 is rotationally interlocked, the second cap gear 56 is rotationally interlocked by the transmission, the second capgear 56 is rotated, and the rotary rod 28 is rotationally interlocked. When the claw wheel 69 does not rotate and the time limit setting is reset, the rotary rod 28 rotates to rotate and interlock the second cap gear 56, and the second cap gear 56 engages with the first cap gear 54 to move the transmission rod 55. Rotationally interlocked, the transmission rod 55 rotates and the transmission gear 53 is rotationally interlocked, and the transmission gear 53 rotates to move the moving block 51. When moving up and interlocking, the sub-communication block 34 and the main communication block 35 are separated, the motor 38 stops operating, and the motor 38 is manually stopped, the sub-button 76 is manually pressed to move the push block 73 down. Interlock, push the catch block 77 to return, the main button 30 moves up, the motor 38 stops operating, the thread main block 40 is manually rotated, and the sub thread block 42 is moved left and right. The sub-thread block 42 moves left and right to move the auxiliary rotary rod 45 left and right, and the motor rod 39 slides in the main slide groove 44 to adjust the length of the toothbrush, and the motor 38 operates. The motor rod 39 is rotationally interlocked, the motor rod 39 is rotated and the auxiliary rotary rod 45 is rotationally interlocked, the auxiliary rotary rod 45 is rotated and the meshing gear 47 is rotationally interlocked, and the meshing gear 47 is rotated and meshes with the brush board 49. The brush board 49 is rotated and interlocked, and the brush 50 brushes the teeth.

Beneficial effects: The structure of the present invention is simple, it is convenient to operate, and by rotating the time setting box, the mainspring in the time setting mechanism stores energy, and the mainspring releases energy, and the time for brushing teeth is increased. Preventing the problem of setting and spending too long or too short for brushing, the length of the toothbrush can be adjusted by rotating the thread main block in the telescopic mechanism, more people to the toothbrush Meet the needs and have a widespread value.

Engineers in this field can clarify that they do not deviate from the general spirit and ideas of the present invention, and various modifications can be made to the above examples, all of which are within the scope of protection of the present invention. The protection plan of the present invention should be standardized on the claim of the present invention.

Claims (5)

In front view, the time setting box is included, a time setting chamber is provided in the time setting box, a time setting mechanism is provided in the time setting chamber, and the time setting mechanism includes a return box. A time setting main rod is provided in the return box, a second gear and a third gear are provided in the time setting main rod, and a fourth gear is meshed with the third gear. The time setting mechanism also includes a turning chamber, a turning board is provided in the turning chamber, a starting mechanism is provided on the left side of the time setting mechanism, and the starting mechanism includes a main button chamber and a sub-communication chamber. A main button is provided in the main button chamber, a main hook groove is provided in the main button, a connecting rod is connected to the main button, and a moving block is provided in the sub-communication chamber. Is provided, a telescopic mechanism is provided on the left side of the time setting mechanism, the telescopic mechanism includes a sub-thread block, a telescopic chamber is provided in the sub-thread block, and the telescopic chamber is provided. Is provided with an auxiliary rotary rod, a brushing mechanism is provided on the left side of the telescopic mechanism, the brushing mechanism includes a tooth brushing block, and a brush machine is provided in the tooth brushing block. And a toothbrush that can be timed. The time setting mechanism includes a claw wheel chamber provided in the return box, a direction change chamber is provided on the left side of the claw wheel chamber, and the time setting main rod is of the direction change chamber and the return box. Attached so as to be rotatable between the right end surface, the second gear is located on the right end surface of the time setting main rod, and a fixing rod is provided on the right side wall of the time setting chamber. A first gear is provided on the left end surface of the gear, the first gear and the second gear are meshed with each other, and a zenmai spring chamber is provided on the right side of the claw wheel chamber. A time setting sub rod is attached to the vehicle chamber so that it can rotate, a gear spring is provided on the right end surface of the time setting sub rod, and the time setting main rod and the time setting sub rod have the claws. A time setting gear is provided at a position located in the car chamber, a main pawl is provided on the left end surface of the time setting gear, and a position limiting groove is vertically symmetrical in the right wall of the claw wheel chamber. The position limiting rod is slidably installed in the position limiting groove, and a main claw wheel is provided on the left end surface of the position limiting rod, and is provided between the upper and lower main claw wheels. A deceleration chamber is provided on the left side of the claw wheel chamber, a deceleration box is provided on the left end surface of the time setting sub-rod, and a turning chamber is provided on the left side of the deceleration chamber. Is provided, a deceleration rod penetrating the right wall of the turning chamber is provided on the left end surface of the deceleration box, the turning board is located on the left end face of the deceleration rod, and is provided on the left end surface of the turning board. Is provided with a drive rod, the third gear is located on the left end surface of the timed main rod, and is mounted between the direction changing chamber and the turning chamber so that the direction changing rod can rotate. The fourth gear is located on the right end surface of the direction changing rod, the fourth gear and the third gear are meshed with each other, and an auxiliary claw wheel is provided on the left end surface of the direction changing rod. A driven rod for one round is provided on the left end surface of the auxiliary gear wheel, an opening / closing box is attached to the left end surface of the time setting box so as to rotate, and a transmission chamber is provided on the left side of the turning chamber. A rotary rod is mounted between the transmission chamber and the rotary chamber so that it can rotate, and a return gear is provided on the right end surface of the rotary rod to provide a front gear. The toothbrush according to claim 1, wherein an auxiliary toothbrush is provided on the left end surface of the return gear. The activation mechanism includes the main button when slidably mounted in the main button chamber, and a main button spring is provided between the bottom end face of the main button and the bottom wall of the main button chamber. A hook block is attached to the top wall of the main hook groove by a hinge, a hook block spring is provided between the hook block and the top wall of the main hook groove, and a sub hook is provided on the left side of the main button chamber. The groove is provided so as to communicate with each other, the sub-button chamber is provided above the sub-hooking groove so as to communicate with the sub-button chamber, and the sub-button is mounted in the sub-button chamber so as to be slidable. A push block is provided on the bottom end face, and a sub button spring is provided between the bottom end face of the sub button and the bottom wall of the sub button chamber so that the moving block can slide into the sub communication chamber. Attached, sub-communication blocks are symmetrically provided vertically on the left end surface of the moving block, and the connecting rod is located between the bottom end surface of the main button and the top end surface of the moving block. The sub-communication chamber and the transmission chamber are communicated with each other, and a transmission rod is attached between the front and rear walls of the transmission chamber so that the transmission rod can rotate. The transmission rod is provided with a transmission gear, and the transmission gear and the transmission gear are provided. A first umbrella gear is provided at a position where the transmission rod is located on the front side of the transmission gear, and a second umbrella gear is provided on the left end surface of the rotary rod. The two umbrella gears and the first umbrella gear are meshed with each other, the main communication chamber communicates with the left side of the sub communication chamber, and a motor is provided in the left wall of the main communication chamber. The expansion / contraction and time-setting toothbrush according to claim 1, wherein electric wires are symmetrically connected vertically to the right end surface of the motor, and a main communication block is provided on the right end surface of the electric wires. The telescopic mechanism includes a threaded main block rotatably attached to the left wall of the open / close box, and a secondary threaded block is threaded into the threaded main block and is directed to the left of the motor. A motor rod penetrating the right wall of the telescopic chamber is provided on the left end surface of the output shaft, and the auxiliary rotary rod is mounted so as to be rotatable in the telescopic chamber, and a main slide is provided in the auxiliary rotary rod. A groove is provided, and the main slide groove is provided so that the sub slide groove communicates symmetrically in the vertical direction, and the motor rod and the main slide groove are attached so as to be slidable, and the left end surface of the motor rod is provided. The expansion / contraction and the time limit can be set according to claim 1, wherein the slide restriction block is provided symmetrically in the vertical direction, and the slide restriction block and the sub slide groove are attached so as to be slidable. toothbrush. The brushing mechanism includes a toothbrush block located on the left end surface of the secondary thread block, a meshing chamber is provided in the toothbrushing block, and the auxiliary rotating rod extends to the left and penetrates the right wall of the meshing chamber. A meshing gear is provided on the left end surface of the auxiliary rotary rod, and the brush plate is mounted so as to be rotatable in the bottom end surface of the toothpaste block, and the top end surface of the brush plate and the meshing gear are mounted. The toothbrush that can be expanded and contracted and can be timed according to claim 1, wherein the bottom end surface is meshed with the bottom end surface, and a brush is provided on the bottom end surface of the brush machine.