CN210811683U

CN210811683U - Electric toothbrush convenient to change brush head

Info

Publication number: CN210811683U
Application number: CN201921212479.XU
Authority: CN
Inventors: 阙文; 杨建华
Original assignee: Kangrimei Industry Shenzhen Co ltd
Current assignee: Kangrimei Industry Shenzhen Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-23
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to an electric toothbrush technical field just discloses an electric toothbrush convenient to change brush head, including the handle, the left side movable mounting of handle has one end to run through and extend to the inside button of handle, the right side fixed mounting of button has the circuit board that is located the handle inside, the inner chamber of handle and the right side fixed mounting who is located the circuit board have the battery case, the left and right sides of battery case and the equal fixed mounting in inside that is located the handle have secondary. This electric toothbrush convenient to change brush head, through pressing down the brush head, brush head area the fixture block downstream of fixed block bottom, until the spacing department separation of kelly and draw-in groove, then to anticlockwise rotation brush head until the left side wall contact of kelly and draw-in groove and unable wrench movement, at last upwards stimulate the brush head, can take off the brush head for the user is when the brush head is being changed to needs, can be too quick take off brush head, has practiced thrift user's time.

Description

Electric toothbrush convenient to change brush head

Technical Field

The utility model relates to an electric toothbrush technical field specifically is an electric toothbrush convenient to change brush head.

Background

The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantaneously decomposes the toothpaste into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues.

Electric toothbrushes on the market at present are various and have two main types: the electric toothbrush is characterized in that the electric toothbrush is rotated and vibrated, the circular brush head is driven to rotate by a rotating toothbrush motor, the friction effect is enhanced when the ordinary tooth brushing action is performed, an electrically driven vibrating motor is arranged inside the vibrating toothbrush, the brush head can swing at a high frequency perpendicular to the direction of the brush holder, but most of the electric toothbrushes have the problem that the brush head is difficult to replace, so that a user needs to replace the brush head, time and labor are wasted, time is delayed, and the problem that the electric toothbrush is convenient to replace the brush head is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an it is not enough to prior art, the utility model provides an electric toothbrush convenient to change brush head possesses the advantage such as being convenient for change brush head, has solved electric toothbrush and has mostly all had the problem that is difficult to change the brush head for the user is when the brush head of needs change, wastes time and energy, hinders the problem of time.

(II) technical scheme

In order to realize the purpose of conveniently replacing the brush head, the utility model provides the following technical scheme: the utility model provides an electric toothbrush convenient to change brush head, includes the handle, the left side movable mounting of handle has one end to run through and extend to the inside button of handle, the right side fixed mounting of button has the circuit board that is located the handle inside, the inner chamber of handle and the right side fixed mounting who is located the circuit board have the battery case, the left and right sides of battery case and the equal fixed mounting in inside that is located the handle have secondary, the bottom fixed mounting of battery case inner chamber has the battery spring, the top movable mounting of battery spring has the battery that quantity is two, the top fixed mounting of battery case has the motor box, the inside fixed mounting of motor box has the motor, the top fixed mounting of motor box has the card axle, the top movable mounting of handle has the brush head, the bottom fixed mounting of brush head inner chamber has the fixed block, the bottom fixed mounting of fixed block has, Handle and card axle and extend to the inside fixture block of card axle, equal fixed mounting all around of fixture block surface bottom has the kelly, the draw-in groove has all been seted up all around of card axle inner wall, kelly and draw-in groove joint, the bottom fixed mounting of draw-in groove has the spring groove of seting up on the card axle inner wall, the bottom fixed mounting of spring inslot chamber has the spring, the top fixed mounting of spring has the gag lever post, the top fixed mounting of gag lever post has one end to run through and extend to the inside connecting rod of draw-in groove, the top fixed mounting of connecting rod has the push rod, kelly and push rod swing joint.

Preferably, two the secondary coil is the both ends about symmetrically distributed at the handle perpendicular bisector, the quantity of battery spring is three.

Preferably, the fixed block is in a shape of a circular truncated cone, the clamping block is in a shape of a cylinder, and through holes with diameters larger than the output shaft of the motor are formed in the fixed block and the clamping block.

Preferably, the shape of the clamping shaft is cylindrical, the top of the clamping shaft is provided with a round hole matched with the clamping block, and the clamping rod is matched with the clamping groove in size.

Preferably, the brush head comprises a handle top cover, a connecting column and bristles, the connecting column is fixedly mounted at the top of the handle top cover, and the bristles are fixedly mounted on the left side of the connecting column.

Preferably, the output shaft of the motor penetrates through the motor box, the clamping block, the fixing block, the handle top cover and the connecting column in sequence and extends into the connecting column.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric toothbrush convenient to change brush head possesses following beneficial effect:

1. this electric toothbrush convenient to change brush head, through pressing down the brush head, the fixture block downstream of brush head area fixed block bottom, because the kelly is all installed all around to the fixture block surface, and the draw-in groove joint of kelly and card axle inner wall, the kelly can pass through the push rod promptly, connecting rod and gag lever post extrusion spring, spring atress deformation makes the kelly downstream, spacing department separation until kelly and draw-in groove, then to the left side wall contact and the unable wrench movement of anticlockwise rotation brush head until kelly and draw-in groove, at last upwards stimulate the brush head, can take off the brush head, make the user when the brush head is being changed to needs, can take off the brush head at the excessive speed, user's time is practiced thrift.

2. This electric toothbrush convenient to change brush head, through taking off brush first back, with new brush head bottom fixture block surface bottom mounted hole that handle top was seted up is aimed at to kelly all around, press down brush head downwards, the kelly can get into the draw-in groove that the card axle inner wall was seted up and downstream promptly, the kelly can pass through the push rod promptly, connecting rod and gag lever post extrusion spring, spring atress deformation makes the kelly continue downstream, until unable continuation press, to clockwise rotation brush head again, make the kelly be located the spacing below of draw-in groove, loosen brush head, the spring atress disappears, the spring can lead to the gag lever post promptly, connecting rod and push rod extrusion kelly to the spacing joint of kelly and draw-in groove, can accomplish the installation of brush head, make the user when the brush head is being changed to needs, can install brush head fast, time and labor saving.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the fixture block and the fixture rod of the present invention;

FIG. 4 is a schematic view of the shaft structure of the present invention;

fig. 5 is a schematic view of a sectional structure of the slot of the present invention.

In the figure: the electric toothbrush comprises a handle 1, a button 2, a circuit board 3, a battery box 4, a secondary coil 5, a battery spring 6, a battery 7, a motor box 8, a motor 9, a brush head 10, a fixing block 11, a fixing block 12, a clamping rod 13, a clamping shaft 14, a clamping groove 15, a spring groove 16, a spring 17, a limiting rod 18, a connecting rod 19 and a push rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an electric toothbrush convenient for replacing a brush head comprises a handle 1, a button 2 having one end penetrating and extending into the handle 1 is movably installed at the left side of the handle 1, a circuit board 3 positioned inside the handle 1 is fixedly installed at the right side of the button 2, a battery box 4 is fixedly installed at the right side of the circuit board 3 and positioned in the inner cavity of the handle 1, secondary coils 5 are fixedly installed at the left and right sides of the battery box 4 and positioned inside the handle 1, the two secondary coils 5 are symmetrically distributed at the left and right ends of a perpendicular line in the handle 1, the number of the battery springs 6 is three, a battery spring 6 is fixedly installed at the bottom of the inner cavity of the battery box 4, two batteries 7 are movably installed at the top of the battery spring 6, a motor box 8 is fixedly installed at the top of the battery box 4, a motor 9 is fixedly installed inside the motor box 8, and the, an output shaft of the motor 9 sequentially penetrates through the motor box 8, the clamping block 12, the fixing block 11, the handle top cover and the connecting column and extends into the connecting column, a clamping shaft 14 is fixedly mounted at the top of the motor box 8, the clamping shaft 14 is cylindrical, a round hole matched with the clamping block 12 is formed in the top of the clamping shaft 14, the clamping rod 13 is matched with the clamping groove 15 in size, the brush head 10 drives the clamping block 12 at the bottom of the fixing block 11 to move downwards by pressing the brush head 10, the clamping rod 13 is mounted on the periphery of the outer surface of the clamping block 12, the clamping rod 13 is clamped with the clamping groove 15 in the inner wall of the clamping shaft 14, the clamping rod 13 can extrude the spring 17 through the push rod 20, the connecting rod 19 and the limiting rod 18, the spring 17 is stressed to deform to enable the clamping rod 13 to move downwards until the clamping rod 13 is separated from the limiting position of the clamping groove 15, then the brush head 10 is rotated anticlockwise until the clamping, the brush head 10 can be taken down, so that a user can take down the brush head 10 at an excessive speed when the brush head 10 needs to be replaced, the time of the user is saved, the brush head 10 is movably arranged at the top of the handle 1, the brush head 10 comprises a handle top cover, a connecting column and brush hair, the connecting column is fixedly arranged at the top of the handle top cover, the brush hair is fixedly arranged at the left side of the connecting column, a fixed block 11 is fixedly arranged at the bottom of an inner cavity of the brush head 10, the fixed block 11 is in a circular truncated cone shape, the fixture block 12 is in a cylindrical shape, through holes with diameters larger than that of an output shaft of the motor 9 are respectively arranged inside the fixed block 11 and the fixture block 12, one end of the fixed block 11 is fixedly arranged at the bottom of the brush head 10, the handle 1 and the fixture shaft 14 and extends to the inside of the fixture shaft 14, the fixture rods 13 are, the bottom of the clamping groove 15 is fixedly provided with a spring groove 16 arranged on the inner wall of the clamping shaft 14, the bottom of the inner cavity of the spring groove 16 is fixedly provided with a spring 17, the top of the spring 17 is fixedly provided with a limiting rod 18, the top of the limiting rod 18 is fixedly provided with a connecting rod 19, one end of the connecting rod penetrates through and extends into the clamping groove 15, the top of the connecting rod 19 is fixedly provided with a push rod 20, the clamping rod 13 is movably connected with the push rod 20, after the brush head 10 is taken down, the clamping rod 13 around the bottom of the outer surface of the bottom clamping block 12 of the new brush head 10 is aligned with a mounting hole arranged on the top of the handle 1, the brush head 10 is pressed downwards, the clamping rod 13 enters the clamping groove 15 arranged on the inner wall of the clamping shaft 14 and moves downwards, the clamping rod 13 extrudes the spring 17 through the push rod 20, the connecting rod 19 and the limiting rod 18, make kelly 13 be located the spacing department below of draw-in groove 15, loosen brush head 10, spring 17 atress disappears, spring 17 can lead to gag lever post 18, connecting rod 19 and push rod 20 extrusion kelly 13 to the spacing department joint of kelly 13 with draw-in groove 15 promptly, can accomplish the installation of brush head 10 for the user can install brush head 10, labour saving and time saving fast when brush head 10 is being changed to needs.

When using, through pressing brush head 10, spacing department separation until kelly 13 and draw-in groove 15, then to anticlockwise rotation brush head 10 until kelly 13 and draw-in groove 15's left side wall contact and unable wrench movement, at last upwards stimulate brush head 10, can take off brush head 10, align the mounting hole that handle 1 top was seted up with new brush head 10 bottom 12 surface of fixture block surface bottom card pole 13 all around, press down brush head 10, until unable continuation pressing, again to clockwise rotation brush head 10, make kelly 13 be located the spacing department below of draw-in groove 15, loosen brush head 10, the spring 17 atress disappears, kelly 13 to the spacing department joint of kelly 13 and draw-in groove 15, can accomplish the installation of brush head 10.

In summary, according to the electric toothbrush convenient for replacing the brush head, by pressing the brush head 10, the brush head 10 drives the fixture block 12 at the bottom of the fixture block 11 to move downwards, because the periphery of the outer surface of the fixture block 12 is provided with the fixture rod 13, and the fixture rod 13 is clamped with the fixture groove 15 on the inner wall of the fixture shaft 14, the fixture rod 13 can extrude the spring 17 through the push rod 20, the connecting rod 19 and the limiting rod 18, the spring 17 is stressed to deform to enable the fixture rod 13 to move downwards until the fixture rod 13 is separated from the limiting position of the fixture groove 15, then the brush head 10 is rotated anticlockwise until the fixture rod 13 is contacted with the left side wall of the fixture groove 15 and cannot be twisted, and finally the brush head 10 is pulled upwards to take down the brush head 10, so that a user can take down the brush head 10 at an excessive speed when the.

Moreover, after the brush head 10 is taken down, the clamping rods 13 around the bottom of the outer surface of the bottom clamping block 12 of the new brush head 10 are aligned with the mounting holes formed in the top of the handle 1, the brush head 10 is pressed downwards, the clamping rods 13 can enter the clamping grooves 15 formed in the inner wall of the clamping shaft 14 and move downwards, the clamping rods 13 can extrude the springs 17 through the push rods 20, the connecting rods 19 and the limiting rods 18, the springs 17 are stressed and deformed to enable the clamping rods 13 to continue to move downwards until the clamping rods cannot continue to be pressed, the brush head 10 is rotated clockwise, the clamping rods 13 are located below the limiting positions of the clamping grooves 15, the brush head 10 is loosened, the stress of the springs 17 disappears, the springs 17 can extrude the clamping rods 13 to be clamped with the limiting positions of the clamping rods 13 and the clamping grooves 15 through the connecting rods 19 and the push rods 20, the mounting of the brush head 10 can be completed, a user can mount the brush head 10 quickly when the brush head 10 needs to be replaced, time and, so that the user wastes time and labor and delays time when needing to replace the brush head 10.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric toothbrush convenient to change brush head, includes handle (1), its characterized in that: the left side movable mounting of handle (1) has one end to run through and extend to the inside button (2) of handle (1), the right side fixed mounting of button (2) has circuit board (3) that is located handle (1) inside, the inner chamber of handle (1) and the right side fixed mounting who is located circuit board (3) have battery case (4), the equal fixed mounting in the inside that the left and right sides of battery case (4) just is located handle (1) has secondary coil (5), the bottom fixed mounting of battery case (4) inner chamber has battery spring (6), the top movable mounting of battery spring (6) has battery (7) that quantity is two, the top fixed mounting of battery case (4) has motor box (8), the inside fixed mounting of motor box (8) has motor (9), the top fixed mounting of motor box (8) has card axle (14), the toothbrush is characterized in that the top of the handle (1) is movably provided with a brush head (10), the bottom of an inner cavity of the brush head (10) is fixedly provided with a fixed block (11), one end of the bottom of the fixed block (11) is fixedly provided with a clamping block (12) which sequentially penetrates through the brush head (10), the handle (1) and a clamping shaft (14) and extends to the inside of the clamping shaft (14), clamping rods (13) are fixedly arranged on the periphery of the outer surface bottom of the clamping block (12), clamping grooves (15) are formed in the periphery of the inner wall of the clamping shaft (14), the clamping rods (13) are clamped with the clamping grooves (15), spring grooves (16) which are formed in the inner wall of the clamping shaft (14) are fixedly arranged at the bottom of the inner cavity of the spring grooves (16), limiting rods (18) are fixedly arranged at the top of the spring grooves (16), one ends of the limiting rods (18) penetrate through and extend to connecting rods (19) in the clamping grooves (, the top fixed mounting of connecting rod (19) has push rod (20), kelly (13) and push rod (20) swing joint.

2. The powered toothbrush of claim 1, wherein: two secondary coil (5) are the symmetric distribution in handle (1) perpendicular bisector about both ends, the quantity of battery spring (6) is three.

3. The powered toothbrush of claim 1, wherein: the shape of fixed block (11) is round platform shape, the shape of fixture block (12) is cylindrical, the through-hole that the diameter is greater than motor (9) output shaft is all seted up to the inside of fixed block (11) and fixture block (12).

4. The powered toothbrush of claim 1, wherein: the clamp shaft (14) is cylindrical, the top of the clamp shaft is provided with a round hole matched with the clamp block (12), and the clamp rod (13) is matched with the clamp groove (15) in size.

5. The powered toothbrush of claim 1, wherein: the toothbrush head (10) comprises a handle top cover, a connecting column and bristles, the connecting column is fixedly mounted at the top of the handle top cover, and the bristles are fixedly mounted on the left side of the connecting column.

6. An electric toothbrush facilitating replacement of a brush head according to claim 1 or 5, wherein: an output shaft of the motor (9) penetrates through the motor box (8), the clamping block (12), the fixing block (11), the handle top cover and the connecting column in sequence and extends into the connecting column.