CN216123985U

CN216123985U - Chuck and electric tool applying same

Info

Publication number: CN216123985U
Application number: CN202121776439.5U
Authority: CN
Inventors: 赖文利
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-25
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a chuck and an electric tool applying the same, and relates to the technical field of electric auxiliary tools, wherein the chuck forms a clamping cavity along the axial direction of the chuck; the clamping cavity is formed with a plurality of clamping sections from the opening inwards along the axial direction of the clamping head in sequence, and the clamping diameters of the clamping sections are different from each other. The utility model mainly solves the problem that the chuck of the cosmetic brush cleaner can only be suitable for a cosmetic brush handle with certain fixed size and shape; the motor is linked with the chuck to rotate through the connecting shaft, and the chuck is linked with the cosmetic brush or the cleaning brush to rotate; when the brush hair of the cosmetic brush is immersed in water and rotates, the residual cosmetics attached to the surface of the cosmetic brush can be fully cleaned, and a good cleaning effect is obtained; the rotating cleaning brush can effectively brush articles, and a good cleaning effect is obtained; the chuck can be suitable for clamping handles of various sizes and shapes by arranging the clamping sections with different clamping diameters in the clamping cavity, so that the chuck can be adapted to cosmetic brushes and cleaning brushes of various specifications.

Description

Chuck and electric tool applying same

Technical Field

The utility model relates to the technical field of electric auxiliary tools, in particular to a chuck and an electric tool applying the chuck.

Background

The cosmetic brush can assist people to apply cosmetics, and is a common cosmetic tool.

Residual cosmetics are adhered to the surface of the brush hair of the cosmetic brush after use, and the residual cosmetics are oxidized after contacting with air, so that the cosmetic brush is deteriorated, loses the original performance and even hurts the skin; meanwhile, different types of cosmetics are not suitable for being mixed, and if residual cosmetics are adhered to the surface of the brush hair of the cosmetic brush, the cosmetics can be mixed when the cosmetics are used next time; therefore, it is necessary to clean the used cosmetic brush in time.

In the past, the common method for cleaning the cosmetic brush is to soak the bristles of the cosmetic brush in water or wash the bristles of the cosmetic brush by using water flow, the two methods have unsatisfactory effect on cleaning cosmetics with strong adhesion, and residual cosmetics still adhere to the bristles after cleaning.

In order to make the cleaning effect of the cosmetic brush better, a cosmetic brush cleaner appears in the prior art; the cosmetic brush cleaner comprises a chuck, a motor and a shell convenient to hold by hands, wherein the chuck can clamp a handle of a cosmetic brush, and the motor is accommodated in the shell and can be linked with the chuck to rotate; when the cosmetic brush cleaning device is used, a user holds the handle of the cosmetic brush through the chuck, the bristles of the cosmetic brush are immersed in water, after the motor is started, the motor rotates through the chuck and the cosmetic brush, the cosmetic brush rotates in the water and disturbs water flow, so that the larger water flow speed is achieved around the bristles, meanwhile, the cosmetic brush in rotation also has a centrifugal effect, cosmetics attached to the bristles can be thrown away, and the purpose of fully cleaning the bristles is achieved.

In the cosmetic brush cleaner, the chuck of the cosmetic brush cleaner can only be suitable for the cosmetic brush handle with a certain fixed size and shape, however, with the continuous development of the cosmetic industry, the cosmetic brush also has a plurality of different specifications, so that the size and the shape of the cosmetic brush handle are different, and therefore, the cosmetic brush cleaner in the prior art cannot be suitable for the cosmetic brushes with various sizes and shapes.

In addition, if the cleaning brush with the handle, such as the cup brush and the test tube brush, can be driven to rotate by using the electric tool, the cleaning capability can be greatly improved, however, the electric tool in the prior art and the chuck can not be matched with the cleaning brush handle with various sizes and shapes, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chuck which can adapt to cosmetic brushes and cleaning brushes with various sizes and shapes.

The utility model aims to provide an electric tool which can drive a cosmetic brush and a cleaning brush to rotate, and a chuck of the electric tool can be suitable for cosmetic brushes and cleaning brushes with various sizes and shapes.

In order to achieve the purpose, the utility model provides the following technical scheme: a chuck forming a clamping cavity along an axial direction thereof; the clamping cavity is formed with a plurality of clamping sections from the opening inwards in the axial direction of the chuck in sequence, and the clamping diameters of the clamping sections are different from each other.

In the above technical scheme, in at least one of the clamping sections, the inner wall of the clamping cavity protrudes towards the central axis direction of the chuck to form a plurality of clamping convex positions.

In the above technical solution, in at least one of the clamping sections, the clamping protrusions are circumferentially distributed along an inner wall of the clamping cavity.

In the above technical scheme, in at least one of the clamping sections, the inner wall of the clamping cavity contracts towards the central axis direction of the clamping head to form a clamping opening.

In the above technical solution, in the clamping cavity, in the inward direction of the axial direction of the chuck, the clamping diameter of each clamping section is sequentially reduced.

The electric tool comprises the chuck, a shell component and a motor; the motor is accommodated in the housing assembly and is used for driving the chuck to rotate.

In the above technical solution, the electric tool further comprises a battery and a circuit board; the battery and the circuit board are both accommodated in the shell component, and the circuit board is electrically connected with the motor and the battery respectively; the circuit board is provided with a switch, the shell component is provided with a key in a penetrating way, the key and the switch are mutually aligned, and the switch can be triggered when the key is pressed down; the circuit board is also provided with a charging interface, and the charging interface penetrates out of the shell component.

In the technical scheme, the electric tool further comprises a connecting shaft, wherein one end of the connecting shaft is a motor shaft sleeve, and the other end of the connecting shaft is a spline shaft; a motor shaft sleeve of the connecting shaft penetrates into the shell component and is sleeved on a rotating shaft of the motor, so that the motor can be linked with the connecting shaft to rotate; the other end of the chuck, which is opposite to the opening of the clamping cavity, is provided with a spline hole, the spline hole is matched with the spline shaft of the connecting shaft in shape, and the spline shaft of the connecting shaft penetrates into the spline hole of the chuck, so that the motor can drive the chuck to rotate through the connecting shaft.

In the technical scheme, the spline shaft of the connecting shaft is in interference fit with the spline hole of the chuck and can be detached.

In the technical scheme, the chuck sheath is sleeved on the chuck.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the chuck is used, the handle of the cosmetic brush or the cleaning brush is inserted into the clamping cavity from the opening, and the handle sequentially passes through the clamping sections until the handle is clamped by one applicable clamping section; the clamping sections with different clamping diameters are arranged in the clamping cavity, so that the clamping head can be suitable for clamping handles with various sizes and shapes, and is suitable for cosmetic brushes and cleaning brushes with various specifications without frequently replacing the clamping head;

2. in the electric tool, the motor is linked with the chuck to rotate through the connecting shaft, and then the chuck is linked with the cosmetic brush or the cleaning brush to rotate; when the brush hair of the cosmetic brush is immersed in water and rotates, the residual cosmetics attached to the surface of the cosmetic brush can be fully cleaned, and a good cleaning effect is obtained; the rotating cleaning brush can effectively brush articles, and a good cleaning effect is obtained; this kind of electric tool's chuck through set up the mutual different centre gripping section of centre gripping diameter in the centre gripping chamber, makes the chuck can be suitable for the handle of the multiple size of centre gripping and shape to the cosmetic brush and the cleaning brush of various specifications of adaptation need not frequently change the chuck.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of a first embodiment of the present invention.

Fig. 3 is a perspective view of a second embodiment of the present invention.

Fig. 4 is an exploded view of a second embodiment of the present invention.

Fig. 5 is an exploded view of the second embodiment of the present invention in another orientation.

Fig. 6 is a cross-sectional view of a second embodiment of the present invention.

The reference signs are: 1. a chuck; 11. a clamping cavity; 12. a clamping section; 13. clamping the convex position; 14. a clamping port; 15. a splined bore; 16. a rib; 2. a housing assembly; 21. a side casing; 211. a battery compartment; 212. a battery cover; 22. a front end cover; 23. a rear end cap; 231. pressing a key; 3. a motor; 4. a battery; 5. a circuit board; 51. a switch; 52. a charging interface; 6. a connecting shaft; 61. a motor shaft sleeve; 62. a flower shaft; 7. a collet sheath; 71. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 2, the present embodiment provides a chuck for holding a handle of a cosmetic brush or a cleaning brush, wherein a body of the chuck 1 is an integrally formed elastic workpiece, such as silicone, rubber, and other elastic polymer materials, and a surface of the body can provide friction; the collet 1 is generally cylindrical in shape having a central axis.

The chuck 1 forms a clamping cavity 11 along the axial direction thereof, that is, one end of the chuck 1 is provided with an opening, the opening extends inwards along the axial direction of the chuck 1 to form the clamping cavity 11, and the opening is the opening of the clamping cavity 11; the clamping cavity 11 is formed with a plurality of clamping sections 12 from the opening to the inside along the axial direction of the chuck 1, and the clamping diameters of the clamping sections 12 are different; specifically, in the clamping cavity 11, in the axially inward direction of the chuck 1, the clamping diameter of each clamping section 12 is successively reduced; in this way, the clamping diameter of each clamping end is made smaller at the more inner position in the clamping cavity 11 of the chuck 1.

In at least one clamping section 12, the inner wall of the clamping cavity 11 protrudes towards the central axis direction of the chuck 1 to form a plurality of clamping convex positions 13, in the embodiment, all the clamping convex positions 13 are integrally formed with the chuck 1; because the chuck 1 has elasticity, the elastic deformation will take place for centre gripping convex position 13 when the atress, and each centre gripping convex position 13 all can extrude the article by the centre gripping, through a plurality of centre gripping convex positions 13, from the handle of a plurality of directions centre gripping cosmetic brush or cleaning brush, makes this handle by the centre gripping more firm, and, because the contact property of centre gripping convex position 13 and handle is point contact and not surface contact, so can be suitable for the handle of more different sizes and shapes.

Further, in at least one clamping section 12, the clamping convex parts 13 are distributed along the circumferential direction of the inner wall of the clamping cavity 11, so that the force of the clamped handle in all directions is even, and the clamped handle is not easy to offset or dislocate.

In at least one clamping section 12, the inner wall of the clamping cavity 11 shrinks towards the central axis direction of the chuck 1 to form a clamping opening 14, and in the embodiment, the clamping opening 14 is integrally formed with the chuck 1; because the chuck 1 has elasticity, the clamping opening 14 can be elastically deformed when stressed, and the clamping opening 14 can be in surface contact with a clamped handle, so that the clamping is firmer, and the clamping device is suitable for small-sized handles.

In this embodiment, be equipped with three centre gripping section 12 in the centre gripping chamber 11 of chuck 1, along the inside direction of the axial of chuck 1, first centre gripping section 12 and second centre gripping section 12 constitute by centre gripping convex position 13, and in every centre gripping section 12, all distribute three centre gripping convex position 13 along the inner wall circumference of centre gripping chamber 11, are suitable for the handle of more different sizes and shapes, and last centre gripping section 12 is then centre gripping mouth 14, and it can firmly centre gripping miniature handle.

When the chuck 1 is used, a handle of a cosmetic brush or a cleaning brush is inserted into the clamping cavity 11 from the opening, and the handle sequentially passes through the clamping sections 12 until the handle is clamped by one applicable clamping section 12; the clamping sections 12 with different clamping diameters are arranged in the clamping cavity 11, so that the clamping head 1 can be suitable for clamping handles with various sizes and shapes, and is suitable for cosmetic brushes and cleaning brushes with various specifications without frequent replacement of the clamping head 1.

Example two:

referring to fig. 3 to 6, the present embodiment provides an electric tool, including a chuck 1 of the first embodiment, a housing assembly 2 and a motor 3; the motor 3 is accommodated in the housing assembly 2, and the motor 3 is linked with the chuck 1 to rotate.

Specifically, the housing assembly 2 includes a front end cover 22, a rear end cover 23, and two side casings 21, wherein the front end cover 22 and the rear end cover 23 are both covers made of engineering plastics, and the two side casings 21 are both half casings made of engineering plastics; the two side casings 21 are buckled with each other to form the side wall of the main body of the housing assembly 2, and the front end cover 22 and the rear end cover 23 are buckled at two ends of the combined body of the two side casings 21 respectively, so as to form the complete housing assembly 2, and at the moment, the housing assembly 2 is internally provided with an inner cavity for accommodating the structure of the electric tool; the motor 3 is fixed between the two side casings 21 by means of adhesive fixing or insert fixing.

Specifically, the motor 3 is a small-sized dc motor having a rotating shaft.

Specifically, the electric tool further comprises a connecting shaft 6, wherein the connecting shaft 6 is a workpiece made of engineering plastics or metal materials, one end of the connecting shaft 6 is a motor shaft sleeve 61, and the other end of the connecting shaft 6 is a spline shaft 62; in the embodiment, the motor shaft sleeve 61 of the connecting shaft 6 penetrates into the housing assembly 2 and is sleeved on the rotating shaft of the motor 3, so that the motor 3 can drive the connecting shaft 6 to rotate, and specifically, the motor shaft sleeve 61 of the connecting shaft 6 is sleeved on the rotating shaft of the motor 3 in the housing assembly 2 after penetrating through the front end cover 22 of the housing assembly 2; the other end of the chuck 1, which is opposite to the opening of the clamping cavity 11, is provided with a spline hole 15, the spline hole 15 is matched with the shape of a spline shaft 62 of the connecting shaft 6, and the spline shaft 62 of the connecting shaft 6 penetrates into the spline hole 15 of the chuck 1, so that the motor 3 can drive the chuck 1 to rotate through the connecting shaft 6; in this way, a rotation of the motor 3 with the chuck 1 is achieved.

Further, the spline shaft 62 of the connecting shaft 6 is in interference fit with the spline hole 15 of the chuck 1 and can be detached; when the chuck 1 is damaged or the specification is changed, the chuck 1 can be easily removed from the spline shaft 62 of the connecting shaft 6, and a new chuck 1 can be conveniently mounted on the spline shaft 62.

Furthermore, the electric tool also comprises a battery 4 and a circuit board 5, wherein the battery 4 is a rechargeable lithium battery, the circuit board 5 is a Printed Circuit Board (PCB), and the circuit board 5 is loaded with a main control; the battery 4 and the circuit board 5 are both accommodated in the housing assembly 2, the circuit board 5 is electrically connected with the motor 3 and the battery 4 respectively, specifically, the circuit board 5 is fixed between the two side shells 21 in a mode of adhesive fixation or embedded fixation, one of the side shells 21 forms a battery compartment 211, a pole piece is arranged in the battery compartment 211, the battery 4 is accommodated in the battery compartment 211 and is in polar contact with the pole piece to realize electrical connection, the battery compartment 211 is also covered with a battery cover 212, and the pole piece and the motor 3 in the battery compartment 211 are respectively led out with a lead and are connected with the circuit board 5 to realize electrical connection with the circuit board 5; the circuit board 5 is provided with a switch 51, the switch 51 is a microswitch, the switch 51 is arranged on the circuit board 5 in a plug-in mode, the housing assembly 2 is provided with a button 231 in a penetrating manner, in the embodiment, the button 231 is a silica gel button or an engineering plastic button, the button 231 is arranged at the rear end cover 23 of the housing assembly 2 in a penetrating manner, the button 231 and the switch 51 are aligned with each other, when the button 231 is pressed down, the switch 51 can be triggered, and a user can trigger the switch 51 by pressing down the button 231, so that the starting, stopping and rotating speed of the motor 3 are controlled; the circuit board 5 is further provided with a charging interface 52, the charging interface 52 is one of MiniUSB, microsusb and Type-C, the charging interface 52 is mounted on the circuit board 5 in a plug-in manner, the charging interface 52 penetrates out of the housing assembly 2, in the embodiment, the charging interface 52 penetrates out of one side shell 21 of the housing assembly 2, and the battery 4 can be charged through the charging interface 52.

Further, a chuck sheath 7 is sleeved on the chuck 1; in the embodiment, the chuck sheath 7 is a cylindrical engineering plastic sheath, a plurality of circles of convex ribs 16 are formed on the outer wall of one end of the chuck 1 close to the opening of the clamping cavity 11, a plurality of circles of annular grooves 71 matched with the convex ribs 16 are formed on the inner wall of the chuck sheath 7, the convex ribs 16 on the chuck 1 are clamped into the annular grooves 71 of the chuck sheath 7, and the two are in interference fit, so that the chuck sheath 7 can be fixed on the chuck 1 and rotate along with the chuck 1; the collet sheath 7 is provided to better protect the collet 1.

When the electric tool is used, a handle of a cosmetic brush or a cleaning brush is inserted into the clamping cavity 11 from the opening, the handle sequentially passes through the clamping sections 12 until the handle is clamped by one suitable clamping section 12, a user holds the electric tool by the shell assembly 2, presses the button 231 to trigger the switch 51 on the circuit board 5, so that the motor 3 is electrified to operate, the motor 3 is in linkage with the chuck 1 to rotate through the connecting shaft 6, and further, the chuck 1 is in linkage with the cosmetic brush or the cleaning brush to rotate; when the brush hair of the cosmetic brush is immersed in water and rotates, the residual cosmetics attached to the surface of the cosmetic brush can be fully cleaned, and a good cleaning effect is obtained; the rotating cleaning brush can effectively brush articles, and a good cleaning effect is obtained; according to the chuck 1 of the electric tool, the clamping sections 12 with different clamping diameters are arranged in the clamping cavity 11, so that the chuck 1 can be suitable for clamping handles with various sizes and shapes, and can be adapted to cosmetic brushes and cleaning brushes with various specifications without frequent replacement of the chuck 1.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chuck forming a clamping cavity along an axial direction thereof; it is characterized in that the preparation method is characterized in that,

the clamping cavity is formed with a plurality of clamping sections from the opening inwards in the axial direction of the chuck in sequence, and the clamping diameters of the clamping sections are different from each other.

2. The chuck of claim 1, wherein: in at least one clamping section, the inner wall of the clamping cavity protrudes towards the direction of the central axis of the clamping head to form a plurality of clamping convex positions.

3. The chuck of claim 2, wherein: in at least one of the clamping sections, the clamping protrusions are circumferentially distributed along an inner wall of the clamping cavity.

4. The chuck of claim 1, wherein: in at least one clamping section, the inner wall of the clamping cavity shrinks towards the direction of the central axis of the clamping head to form a clamping opening.

5. A chuck for use with a manual or powered driver as stated in any one of claims 1 to 4, wherein: in the clamping cavity, the clamping diameter of each clamping section is reduced in sequence along the axial inward direction of the clamping head.

6. A power tool comprising a chuck as claimed in any one of claims 1 to 5, a housing assembly and a motor;

the motor is accommodated in the housing assembly and is used for driving the chuck to rotate.

7. The power tool of claim 6, wherein: the device also comprises a battery and a circuit board;

the battery and the circuit board are both accommodated in the shell component, and the circuit board is electrically connected with the motor and the battery respectively;

the circuit board is provided with a switch, the shell component is provided with a key in a penetrating way, the key and the switch are mutually aligned, and the switch can be triggered when the key is pressed down;

the circuit board is also provided with a charging interface, and the charging interface penetrates out of the shell component.

8. The power tool of claim 6, wherein: the motor shaft sleeve is arranged at one end of the connecting shaft, and the spline shaft is arranged at the other end of the connecting shaft;

a motor shaft sleeve of the connecting shaft penetrates into the shell component and is sleeved on a rotating shaft of the motor, so that the motor can be linked with the connecting shaft to rotate;

the other end of the chuck, which is opposite to the opening of the clamping cavity, is provided with a spline hole, the spline hole is matched with the spline shaft of the connecting shaft in shape, and the spline shaft of the connecting shaft penetrates into the spline hole of the chuck, so that the motor can drive the chuck to rotate through the connecting shaft.

9. The power tool of claim 8, wherein: the spline shaft of the connecting shaft is in interference fit with the spline hole of the chuck and can be detached.

10. The power tool of claim 6, wherein: the chuck is sleeved with a chuck sheath.