CN219783561U

CN219783561U - Beauty instrument

Info

Publication number: CN219783561U
Application number: CN202321014879.6U
Authority: CN
Inventors: 谭莉君
Original assignee: Shenzhen Youlai Intelligent Electronic Co ltd
Current assignee: Shenzhen Youlai Intelligent Electronic Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-03
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a beauty instrument, which comprises a rear shell and a middle shell component which are mutually covered; the middle case assembly includes: a frame portion; the fixing plate is connected with the inner annular surface of the frame part, and a first slot is formed in the surface of the fixing plate, which faces the rear shell; the circuit board assembly comprises a substrate, wherein the substrate is inserted into the first slot; the rear shell comprises an abutting column arranged on the inner surface of the rear shell, and when the rear shell cover is combined with the frame part of the middle shell assembly, the abutting column abuts the base plate in the first slot of the fixing plate. The substrate of the circuit board assembly is detachably arranged on the first slot of the middle shell assembly in an inserting mode, after the rear shell and the middle shell assembly are assembled, the substrate is naturally abutted in the first slot where the rear shell is positioned by the abutting column of the rear shell without loosening, so that the assembly efficiency is improved, the installation structure is simplified, and the assembly and the maintenance are convenient.

Description

Beauty instrument

Technical Field

The embodiment of the utility model relates to the technical field of medical cosmetology, in particular to a cosmetology instrument.

Background

The beauty instrument is an instrument for adjusting and improving the skin state, and can help the human body whiten, tender skin, remove spots and the like, so that the skin becomes tender and glossy and elastic. The principle of action of the beauty instrument is that the skin is stimulated and acted differently by micro-frequency current, radio frequency, ultrasonic wave, strong light and other technologies, so as to improve skin metabolism, contract muscle and the like to realize beauty function, and the beauty instrument can help the active ingredients in the skin care product to enter the deep layer of the skin, be absorbed and utilized by the skin more easily, and play a better role in beauty and keeping young.

Usually, a certain space is formed inside the shell of the beauty instrument, and the structures such as a circuit board, a light source and an electrode can be installed in the space, however, the prior art often needs to fix the circuit board, the light source and the electrode to one half of the shell one by one in a mode of screw fixation, glue beating and the like, and then covers the other half of the shell on the shell provided with various structural members, so that the installation is time-consuming and labor-consuming, and the disassembly is inconvenient.

Disclosure of Invention

In view of the defects in the prior art, the utility model provides the beauty instrument, and the disassembly and assembly efficiency of the beauty instrument can be remarkably improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a beauty instrument comprises a rear shell and a middle shell component which are mutually covered and arranged;

the middle case assembly includes:

a frame portion;

the fixing plate is connected with the inner annular surface of the frame part, and a first slot is formed in the surface of the fixing plate, which faces the rear shell;

the circuit board assembly comprises a substrate, wherein the substrate is inserted into the first slot;

the rear shell comprises an abutting column arranged on the inner surface of the rear shell, and when the rear shell cover is combined with the frame part of the middle shell assembly, the abutting column abuts the base plate in the first slot of the fixing plate.

As one implementation mode, the middle shell component comprises a hollowed-out part positioned at the edge of the fixing plate, and the first slot is communicated with the hollowed-out part.

As one embodiment, the rear shell includes a plurality of second clamping portions disposed on an inner surface thereof, and each second clamping portion is disposed in one of the hollow portions in a penetrating manner and is clamped in the fixing plate.

As one embodiment, the middle case assembly includes:

the first cover plate is detachably arranged on the frame part, and the inner surface of the first cover plate is convexly provided with a pressing part;

the circuit board assembly comprises a first circuit board assembly, wherein the first circuit board assembly comprises a first substrate and contacts arranged on the first substrate, and the first substrate is inserted into one of the first slots and abutted by the abutting columns;

the frame part comprises a second through hole, and the pressing part is arranged in the second through hole in a penetrating mode and faces the contact.

As one embodiment, the middle shell assembly further comprises an elastic piece, and the elastic piece is arranged between the first cover plate and the frame portion.

As one embodiment, the first substrate is provided with at least two contacts, the middle shell assembly comprises first cover plates with the same number as the contacts, each first cover plate comprises one pressing part, and the contacts are arranged in one-to-one correspondence with the pressing parts.

As one embodiment, the middle case assembly includes:

the light-transmitting second cover plate is detachably arranged on the frame part;

the circuit board assembly comprises a second circuit board assembly, the second circuit board assembly comprises a second substrate and second lamp beads arranged on the second substrate, and the second substrate is inserted into one of the first slots and is abutted by one of the abutting columns;

and the frame part is provided with a light hole opposite to the second lamp bead, and light rays emitted by the second lamp bead are emitted from the second cover plate after passing through the light hole.

As one embodiment, the frame portion further includes a light shielding plate protruding from an inner surface of the frame portion toward the second substrate, a plurality of second lamp beads are disposed on the second substrate, and one light shielding plate is disposed between two adjacent second lamp beads.

As one embodiment, the cosmetic device further includes:

and the front shell and the rear shell are respectively covered on two sides of the frame part in the width direction.

As one embodiment, at least one of the front shell and the rear shell comprises a circle of flange; the flange is embedded in the frame part.

The substrate of the circuit board assembly is detachably arranged on the first slot of the middle shell assembly in an inserting mode, after the rear shell and the middle shell assembly are assembled, the substrate is naturally abutted in the first slot where the rear shell is positioned by the abutting column of the rear shell without loosening, so that the assembly efficiency is improved, the installation structure is simplified, and the assembly and the maintenance are convenient.

Drawings

Fig. 1 is a schematic structural view of a beauty treatment instrument according to an embodiment of the present utility model;

fig. 2 is a schematic exploded view of a cosmetic device according to an embodiment of the present utility model;

FIG. 3A illustrates an exploded view of a center housing assembly in accordance with an embodiment of the present utility model;

FIG. 3B illustrates another exploded view of a center housing assembly in accordance with an embodiment of the present utility model;

fig. 4 shows a cross-sectional view of an operating portion of a cosmetic device according to an embodiment of the present utility model;

FIG. 5 shows a schematic structural view of a front shell according to an embodiment of the present utility model;

FIG. 6 shows a schematic structural view of a rear housing according to an embodiment of the present utility model;

fig. 7 is another sectional view showing an operation portion of a cosmetic instrument according to an embodiment of the present utility model;

fig. 8 shows still another cross-sectional view of an operating portion of a cosmetic device according to an embodiment of the present utility model;

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

In the present utility model, the terms "disposed," "provided," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, an embodiment of the present utility model provides a beauty treatment apparatus including an operating portion 100 for holding and a working portion 200 for treating skin, and a user can treat skin by holding the operating portion 100 to orient the working portion 200 toward the skin. For example, the end of the working portion 200 may be provided with an electrode and/or a phototherapy lamp, and the effects of skin rejuvenation, skin beautification, etc. are achieved by contacting and reciprocating the working portion 200 at the skin surface.

As shown in connection with fig. 2 to 3B, the operating portion 100 of the present embodiment includes a front case 10, a rear case 20, and a middle case assembly 30, and the front case 10, the rear case 20 are respectively fixed to the middle case assembly 30 from opposite sides, thereby accommodating therein electric components such as internal circuits, wirings, and the like.

In one embodiment, to switch the function of the beauty instrument or switch on/off the power supply, a key (not shown) is provided on the middle shell assembly 30 for the user to operate and press.

The middle case assembly 30 includes:

the annular frame part 31 is provided with a first through hole 311 and a second through hole 312;

the first cover plate 32 has a pressing portion 322 and a first holding portion 321 protruding from an inner surface thereof, and the first holding portion 321 passes through the first through hole 311 and is then held on an inner surface of the frame portion 31;

the first circuit board assembly 33 is fixed on the inner side of the frame portion 31, and comprises a first substrate 331 and a contact 332 arranged on the first substrate 331, and the pressing portion 322 is arranged in the second through hole 312 in a penetrating manner and faces the contact 332, so that the contact 332 is operated when the contact 332 is pressed;

the front case 10 and the rear case 20 are respectively covered on both sides (front and rear sides in the direction shown in fig. 1) of the frame 31 in the width direction, and at least one of the front case 10 and the rear case 20 includes a ring of flange C which is fitted in the frame 31 and faces the first holding portion 321.

The first apron of button of this embodiment is through first clamping portion detachably installs on well shell subassembly, can operate the contact on the first circuit board subassembly after the pressing portion of first apron passes frame portion, and the flange embedding frame portion of at least one of preceding shell, backshell is interior and towards first clamping portion in addition, because the size of button no longer is limited by the button installation space or the size of button hole that reserve on the product casing, simultaneously, the flange embedding frame portion of preceding shell and/or backshell just is towards first clamping portion, space around can make full use of first clamping portion for the button can be made bigger, when being convenient for operate, has improved the inside compact structure of beauty instrument.

For example, the thickness of the flange C is equivalent to the length of the first retaining portion 321 extending into the inner side of the frame portion 31, and the flange C may be flush with the end of the first retaining portion 321. Of course, in other embodiments, the thickness of the flange C may be slightly greater than the length of the first clamping portion 321 extending into the frame portion 31, or slightly less than the length of the first clamping portion 321 extending into the frame portion 31, so that the flange C and the first clamping portion 321 cooperate to occupy as little space as possible in the beauty instrument, and more space is reserved for other structural members.

Illustratively, a collar C is provided on each of the front and rear shells 10, 20. Both ends in the width direction of the first clamping portion 321 are located between both ends in the width direction of the frame portion 31, that is, the dimension of the first clamping portion 321 in the width direction of the frame portion 31 is smaller than the width of the frame portion 31, and each side in the width direction of the first clamping portion 321 does not exceed the corresponding side surface of the frame portion 31 and is a certain distance away from the corresponding side surface of the frame portion 31. The flanges C of the front case 10 and the rear case 20 are respectively embedded in the frame portion 31, and the flanges C of the front case 10 and the rear case 20 face the first clamping portion 321 and are opposite to the two ends of the first clamping portion 321 in the width direction, so that the space around the first clamping portion is fully utilized.

Through being equipped with flange C at preceding shell 10, the protruding face towards well shell subassembly 30 of backshell 20, when preceding shell 10, backshell 20 are assembled to well shell subassembly 30 from both sides after, flange C butt well shell subassembly 30's inner wall surface to realize better lock effect, can avoid the light leak, simultaneously, also can play certain waterproof dirt-proof airtight effect.

It will be appreciated that in other embodiments, the flange C may be formed on the center housing assembly 30. For example, when the front and rear cases 10 and 20 are assembled to the middle case assembly 30 from both sides, the flanges C on the frame 31 are fitted into the inner wall surfaces of the front and rear cases 10 and 20, respectively, so that the fastening effect of the cosmetic instrument can be ensured.

The first cover 32 and the first circuit board assembly 33 are used as main components of the key, the first cover 32 is used as a key shell, and when a user presses the first cover 32, the pressing part 322 of the first cover 32 can operate the contact 332 of the first circuit board assembly 33, so that key operation is realized. Optionally, the contact 332 is a tact switch or a metal dome (dome sheet).

The first cover plate of the key of the embodiment is detachably mounted on the middle shell component through the first clamping part, the pressing part of the first cover plate penetrates through the frame part and then can operate the contact on the first circuit board component, at least one flange of the front shell and the rear shell is embedded into the frame part and faces the first clamping part, the size of the key is not limited by the size of a key mounting space or a key hole reserved on the product shell, only a first through hole for the first clamping part to penetrate through and clamp and a second through hole for the pressing part to penetrate through and contact with the contact are formed in the frame part, the key can be made larger, the operation of a user is facilitated, the attractive performance is better, and because the size of the first clamping part along the width direction of the frame part can be made very small, the surrounding structure, and the flange on the front shell and the rear shell can be close to the first clamping part and the pressing part almost unaffected, the internal structure of the product is more compact, and the key design requirement and the internal compactness are met.

In one embodiment, two first through holes 311 are provided, the two first through holes 311 being provided along the circumferential direction of the annular rim portion 31, and the second through hole 312 being located between the two first through holes 311; the inner surface of the first cover plate 32 is convexly provided with two first clamping portions 321 which are respectively positioned at two ends of the pressing portion 322 along the length direction of the first cover plate 32, and the two first clamping portions 321 respectively pass through the two first through holes 311 and are then clamped on the inner surface of the frame portion 31. In this embodiment, two ends of the first cover plate 32 can be detachably mounted on the frame portion 31 through the cooperation of the two first clamping portions 321 and the two first through holes 311, and the pressing portion 322 between the two first clamping portions 321 can be operated to press the contacts.

It is understood that in other embodiments, only one or more of the first clamping portions 321 may be provided. For example, when only one first clamping portion 321 is provided, the first clamping portion 321 passes through the first through hole 311 and then is clamped on the inner surface of the frame portion 31, the pressing portion 322 passes through the second through hole 312, and the pressing portion 322 is matched with the second through hole 312, so that the first cover plate 32 can be limited by matching with the first clamping portion 321 in an auxiliary manner, and the first cover plate 32 is prevented from swinging around the first clamping portion 321.

In one embodiment, the first circuit board assembly 33 further includes a first lamp bead 333 disposed on the first substrate 331 and adjacent to the contact 332, the first cover 32 is made of a light-transmitting material, and the light emitted by the first lamp bead 333 is emitted from the first cover 32 after passing through the first through hole 311. It can be understood that the first holding portion 321 and the pressing portion 322 may be made of light-transmitting materials, and the light emitted from the first light beads 333 is guided out of the first cover plate 32 after passing through the first holding portion 321 and/or the pressing portion 322, so as to realize the backlight function of the key. For example, when the user uses the beauty instrument in a dark environment, the user can conveniently find the position of the key and operate the key.

In one embodiment, the middle shell assembly 30 may further include an elastic member 334, where the elastic member 334 is disposed between the first cover plate 32 and the frame portion 31. For example, the elastic member 334 is elastically compressed between the first cover 32 and the frame 31, and when the first cover 32 is pressed, the elastic member 334 can spring up for the next pressing operation. The elastic member 334 is provided, so that the first cover plate 32 can rebound automatically after being pressed down, and the first cover plate 32 can be prevented from shaking after being assembled.

It will be appreciated that more than one key may be provided on the middle case assembly 30, that is, more than one first cover plate 32 may be mounted on the frame portion 31, and each first cover plate 32 presses the corresponding contact 332 through the pressing portion 322 to perform a pressing operation of the corresponding key.

In one embodiment, at least two contacts 332 are disposed on at least one first substrate 331, and the middle case assembly 30 includes the same number of first cover plates 32 as the contacts 332, and each first cover plate 32 includes a pressing portion 322 corresponding to the corresponding contact 332, and a first clamping portion 321 passing through the corresponding first through hole 311.

As shown in fig. 3A and 3B, two contacts 332 are disposed on one of the first substrates 331 at intervals, four first through holes 311 and two second through holes 312 are correspondingly disposed on the frame portion 31, and two first clamping portions 321 of each first cover plate 32 respectively pass through the two first through holes 311 and then are clamped on the inner surface of the frame portion 31, and the pressing portion 322 of each first cover plate 32 passes through the second through holes 312 and is matched with one contact 332. By pressing the corresponding first cover plate 32, the contact 332 facing the pressing portion 322 will be pressed, thereby achieving switching of the corresponding function.

In this embodiment, the first clamping portions 321 of each first cover plate 32 are respectively disposed in one of the first through holes 311 in a penetrating manner, wherein a connecting rib 311C is formed between the first through hole 311 corresponding to the first clamping portion 321 of one of the first cover plates 32 and the first through hole 311 corresponding to the first clamping portion 321 of the other first cover plate 32, and the claw portions of the two first clamping portions 321 are bent outwards and clamped on the inner surface of the connecting rib 311C. It is understood that the orientation of the first clamping portion 321 may be adjusted as required, for example, the right first clamping portion 321 of the left first cover plate 32 on two adjacent first cover plates 32 shown in fig. 3B may also be bent inward (toward the left), or the left first clamping portion 321 of the right first cover plate 32 may also be bent inward (toward the right). Alternatively, the connecting rib 311C may be omitted, and the adjacent first holding portions 321 of two adjacent first cover plates 32 share one first through hole 311, and the adjacent first holding portions 321 of two adjacent first cover plates 32 are each bent inward (toward the end portion far from the longitudinal direction of the first cover plate 32).

Fig. 4 shows a cross-sectional view of an operating portion of a cosmetic device according to an embodiment of the present utility model; FIG. 5 shows a schematic structural view of a front shell according to an embodiment of the present utility model; FIG. 6 shows a schematic structural view of a rear housing according to an embodiment of the present utility model; fig. 7 is another sectional view showing an operation portion of a cosmetic instrument according to an embodiment of the present utility model; fig. 8 shows still another cross-sectional view of an operating portion of a cosmetic device according to an embodiment of the present utility model.

In one embodiment, the front case 10 may be mounted on the frame portion 31 of the middle case assembly 30, and then the rear case 20 may be mounted to the frame portion 31, and the first cover plate 32 may be assembled with the frame portion 31, or may be mounted to the frame portion 31 after the front case 10 and/or the rear case 20 are assembled with the frame portion 31.

As shown in fig. 3B to 5 and 7, the middle case assembly 30 further includes a fixing plate 34 connected to the inner circumferential surface of the frame portion 31, and opposite surfaces of the fixing plate 34 face the front case 10 and the rear case 20, respectively. In one embodiment, the front case 10 includes a plurality of fixing posts 11 provided on an inner surface thereof, and the middle case assembly 30 further includes a fixing plate 34 connected to an inner circumferential surface of the rim portion 31, the fixing plate 34 being fixedly coupled to the fixing posts 11 by fasteners T. Illustratively, the fixing posts 11 are provided in plurality at intervals in the circumferential direction of the front case 10.

In the process of mounting the front case 10 to the frame portion 31, the front case 10 is first covered with the frame portion 31, the flange C of the front case 10 is embedded into the frame portion 31, the fixing posts 11 of the front case 10 are aligned with the fixing holes (not shown) on the fixing plate 34, and finally, the fastening members T are fixed to the fixing posts 11 after passing through the fixing holes on the fixing plate 34, thereby realizing the assembly of the front case 10 and the middle case assembly 30. For example, each fixing post 11 abuts against the fixing plate 34, the front case 10 can support the fixing plate 34 at a plurality of positions, and the flange C can reinforce the edge portion of the center case assembly 30, so that the structural strength of the case of the cosmetic instrument can be improved.

Referring to fig. 3B to 8, in one embodiment, the rear housing 20 includes a plurality of second clamping portions 21 disposed on an inner surface thereof, and the fixing plate 34 is correspondingly provided with a hollow portion 340, and each second clamping portion 21 is disposed in one hollow portion 340 in a penetrating manner and is clamped to the fixing plate 34.

After the front shell 10 and the middle shell assembly 30 are assembled, the rear shell 20 can be further buckled on the other side of the middle shell assembly 30, in the process of installing the rear shell 20, the embodiment can realize screwless installation, and the assembly of the rear shell 20 and the middle shell assembly 30 can be completed only by aligning the second clamping part 21 of the rear shell 20 with the corresponding hollowed-out part 340 on the fixing plate 34, aligning the flange C of the rear shell 20 with the inner side edge of the frame part 31, and then pressing the rear shell 20 to clamp the second clamping part 21 with the fixing plate 34.

It will be appreciated that in other embodiments, the front case 10 and the frame 31 may be detachably mounted by using a structure similar to the second clamping portion.

In one embodiment, the hollowed-out portion 340 is located at an edge of the fixing plate 34. Illustratively, the second clamping portion 21 is also correspondingly located around the flange C of the rear housing 20, the first circuit board assembly 33 is just located in the hollowed portion 340, and the claw portion of the second clamping portion 21 may face the middle of the fixing plate 34 to clamp the edge of the fixing plate 34. So, the hollowed-out part 340 can not only realize the accommodation of the key, but also realize the assembly of the rear shell 20 and the middle shell assembly 30, and does not need to additionally provide a special clamping hole to be matched with the second clamping part 21, so that the compactness of the internal structure of the beauty instrument is improved, and more space can be reserved for arranging components of the beauty instrument.

In one embodiment, the fixing plate 34 may be provided with a plurality of hollowed-out portions 340, each hollowed-out portion 340 is provided with one first circuit board assembly 33, and each key is correspondingly arranged on the circumference of the middle shell assembly 30 to operate the contact 332 on the corresponding first circuit board assembly 33.

In addition, in one embodiment, the hollowed-out portion 340 is located at an edge of the fixing plate 34, and the first slot 310 is communicated with the hollowed-out portion 340. Illustratively, as shown in fig. 2, a surface of the fixing plate 34 facing the rear case 20 is provided with a first slot 310 extending along a width direction of the frame 31, and the first substrate 331 is inserted into the first slot 310. Through adopting the mode of inserting to install first base plate 331 in the first slot 310 of fixed plate 34, make first base plate 331 and first slot 310 interference fit, can further reduce the mounting structure of first base plate 331, simplify the mounting means, need not to adopt modes such as gluing, fastener are fixed to install it.

It should be understood that, in other embodiments, the first slot 310 is connected to the hollow portion 340, but may be formed on the frame portion 31 instead of being located on the fixing plate 34, and the first slot 310 on the inner wall of the frame portion 31 can also be used to limit and install the first substrate 331.

As shown in fig. 6 to 8, in one embodiment, corresponding to the first substrate 331, the rear case 20 includes an abutment post 22 provided on an inner surface thereof, and when the rear case 20 is assembled to the middle case assembly 30, the abutment post 22 abuts the first substrate 331 against the fixing plate 34, so that the first substrate 331 is prevented from being separated from the first slot 310.

That is, after the middle case assembly 30 is mounted to the front case 10, the first slot 310 exposes the end of the first substrate 331, and the first substrate 331 may still be pulled out for maintenance when needed. When the rear case 20 is assembled to the middle case assembly 30, the abutment post 22 is aligned to the position of the first slot 310, and after the second clamping portion 21 is clamped with the fixing plate 34, the abutment post 22 abuts against the first substrate 331, so that the first substrate 331 can be further limited. When the first slots 310 and the first substrates 331 are provided with a plurality of contact posts 22, a plurality of contact posts 22 are provided correspondingly, and each contact post 22 contacts the corresponding first substrate 331.

In one embodiment, the middle housing assembly 30 includes a light display in addition to the keys. As shown in fig. 3A, 3B and 8, the middle case assembly 30 further includes a second circuit board assembly 35 and a light-transmitting second cover plate 36, and the second circuit board assembly 35 includes a second substrate 351 and second lamp beads 352 disposed on the second substrate 351.

Like the first cover plate 32, the inner surface of the second cover plate 36 is convexly provided with two third clamping portions 361 which are arranged at intervals along the length direction of the second cover plate, the length direction of the frame portion 31 is provided with two third through holes 313 which are arranged at intervals, and the two third clamping portions 361 respectively pass through the two third through holes 313 and are then clamped on the inner surface of the frame portion 31.

Corresponding to the first cover plate 32, the frame 31 is provided with a light hole 314 opposite to the second lamp bead 352, and the light emitted by the second lamp bead 352 is emitted from the second cover plate 36 after passing through the light hole 314.

The frame 31 may be made of opaque material to avoid light crosstalk. The second substrate 351 may be provided with a plurality of second beads 352, and each of the second beads 352 may display different colors. The frame portion 31 may further include a light shielding plate 315 protruding from an inner surface of the frame portion towards the second substrate 351, where a light shielding plate 315 is disposed between two adjacent second beads 352, and the light shielding plate 315 extends towards the second substrate 351, so that light strings between the adjacent second beads 352 can be avoided.

The second circuit board assembly 35 and the second cover plate 36 are used as main components of the light display part, when the second lamp beads 352 emit light, different use states of the product can be indicated, for example, when the electric quantity of the built-in batteries is different, the display colors of the second cover plate 36 can be different, or when the working modes of the product are different, the brightness and/or the color of the second lamp beads 352 are different.

In one embodiment, the outer surface of the frame 31 has a recessed step 31C, and the first cover plate 32 and the second cover plate 36 can be embedded in the step 31C, and the outer surface is flush with the outer surfaces of the frame 31, the front shell 10 and the rear shell 20, so as to realize smooth transition of the housing of the beauty instrument.

Similarly, the surface of the fixing plate 34 facing the rear case 20 may be provided with a first slot 310 into which the second substrate 351 is inserted, and the second substrate 351 may be abutted against the fixing plate 34 by the abutment post 22, so as to prevent the second substrate 351 from being separated from the first slot 310. In addition, the second circuit board assembly 35 may be disposed on the corresponding hollow portion 340, so as to effectively utilize the internal space of the product.

In one embodiment, an elastic member 334 may also be provided between the second cover plate 36 and the frame portion 31, so as to facilitate maintaining a tight fit between the second cover plate 36 and the frame portion 31.

In one embodiment, the cosmetic device includes a rear housing 20 and a middle housing assembly 30 that are disposed in a covering relationship with each other; wherein the middle case assembly 30 includes:

a frame portion 31;

the fixed plate 34 is connected with the inner ring surface of the frame part 31, and a first slot 310 is formed on the surface of the fixed plate 34 facing the rear shell 20;

the circuit board assembly comprises a substrate, wherein the substrate is inserted into the first slot 310;

the rear case 20 includes an abutment post 22 provided on an inner surface thereof, and when the rear case 20 is covered on the frame portion 31 of the middle case assembly 30, the abutment post 22 abuts the substrate in the first slot 310 of the fixing plate 34.

In this embodiment, through setting up the beauty instrument to including the casing that two parts were mutually covered, be provided with the fixed plate on the backshell subassembly, protruding being equipped with the butt post at backshell internal surface, in the in-process of equipment beauty instrument, only need first insert the base plate of circuit board subassembly in locating the first slot of fixed plate, then locate the backshell lid on the backshell subassembly, utilize the butt post on the backshell to support the base plate tightly in the first slot of fixed plate, can realize spacing and fixed of circuit board subassembly, need not to adopt means such as gluing or independent fastener are fixed, the base plate is by the butt post of backshell natural butt in the first slot that it is located and can not take place not become flexible, both improved packaging efficiency, mounting structure has also been simplified, convenient dismantlement maintenance moreover.

In one embodiment, the cosmetic device further includes a front case 10, and the front case 10 and the rear case 20 are respectively covered on both sides of the frame 31 in the width direction. In order to improve the mating tightness of the front case 10, the rear case 20 and the middle case assembly 30, at least one of the front case 10 and the rear case 20 includes a ring of flange C, and the flange C is embedded in the frame portion 31, so that the flange C abuts against the inner wall surface of the middle case assembly 30, thereby achieving a better fastening effect, avoiding light leakage, and simultaneously, playing a certain role in waterproof and dustproof sealing.

It will be appreciated that in other embodiments, the front housing 10 may be omitted or integrally formed with the middle housing assembly 30 as a single housing.

In one embodiment, when the beauty treatment instrument has a plurality of circuit board assemblies, the first slots 310 are correspondingly provided in a plurality, and each first slot 310 corresponds to one circuit board assembly, and each circuit board assembly is located in one of the first slots 310.

In one embodiment, the middle shell assembly 30 includes a hollow portion 340 located at an edge of the fixing plate 34, and the first slot 310 communicates with the hollow portion 340. When the beauty instrument has a plurality of circuit board assemblies, the first slots 310 are correspondingly provided with a plurality of circuit board assemblies, each first slot 310 corresponds to one circuit board assembly, and each circuit board assembly is located in one of the hollow portions 340.

In one embodiment, the rear housing 20 includes a plurality of second clamping portions 21 disposed on an inner surface thereof, and each second clamping portion 21 is disposed through one of the hollow portions 340 and clamped to the fixing plate 34.

Illustratively, the second clamping portion 21 is also correspondingly located around the flange C of the rear housing 20, the first circuit board assembly 33 is just located in the hollowed portion 340, and the claw portion of the second clamping portion 21 may face the middle of the fixing plate 34 to clamp the edge of the fixing plate 34. So, the hollowed-out part 340 can not only realize the accommodation of the key, but also realize the assembly of the rear shell 20 and the middle shell assembly 30, and does not need to additionally provide a special clamping hole to be matched with the second clamping part 21, so that the compactness of the internal structure of the beauty instrument is improved, and more space can be reserved for arranging components of the beauty instrument.

It can be appreciated that the number of the hollowed-out portions 340 is not necessarily consistent with the number of the first slots 310, and the number of the hollowed-out portions 340 may be greater than the number of the first slots 310, so that the circuit board assembly may be contained in a portion of the hollowed-out portions 340, and another portion of the hollowed-out portions 340 may have no circuit board assembly, which is used to cooperate with the second clamping portion 21.

In one embodiment, the middle case assembly 30 includes:

the first cover plate 32 is detachably mounted on the frame portion 31, and the inner surface of the first cover plate is provided with a pressing portion 322 in a protruding mode;

the circuit board assembly comprises a first circuit board assembly 33, the first circuit board assembly 33 comprises a first substrate 331 and contacts 332 arranged on the first substrate 331, and the first substrate 331 is inserted into a first slot 310 and is abutted by an abutting column 22;

the frame 31 includes a second through hole 312, and the pressing portion 322 is disposed through the second through hole 312 and faces the contact 332, for operating the contact 332 when the contact 332 is pressed.

Through set up first apron, first circuit board subassembly on well shell subassembly, first apron, first circuit board subassembly are as the main component part of button, and first apron is as the button shell, and when the user pressed first apron, the contact of first circuit board subassembly can be operated to the pressing part of first apron to realize the button operation.

In one embodiment, the middle shell assembly 30 further includes an elastic member 334, and the elastic member 334 is disposed between the first cover plate 32 and the frame portion 31. The elastic member 334 is provided, so that the first cover plate 32 can rebound automatically after being pressed down, and the first cover plate 32 can be prevented from shaking after being assembled.

In one embodiment, at least two contacts 332 are disposed on the first substrate 331, and the middle case assembly 30 includes the same number of first cover plates 32 as the contacts 332, and each of the first cover plates 32 includes a pressing portion 322 corresponding to the corresponding contact 332. Therefore, by utilizing one first substrate to correspond to two first cover plates, the number of the substrates can be reduced, and the compactness and the installation convenience of the key structure are improved.

In one embodiment, the middle shell assembly 30 includes a light-transmissive second cover plate 36, the second cover plate 36 being detachably mounted to the rim portion 31; the circuit board assembly comprises a second circuit board assembly 35, the second circuit board assembly 35 comprises a second substrate 351 and second lamp beads 352 arranged on the second substrate 351, and the second substrate 351 is inserted into a first slot 310 and is abutted by an abutting column 22; the frame 31 is provided with a light hole 314 opposite to the second lamp bead 352, and the light emitted by the second lamp bead 352 is emitted from the second cover plate 36 after passing through the light hole 314.

In one embodiment, the frame portion 31 further includes a light shielding plate 315 protruding from an inner surface of the light shielding plate 315 towards the second substrate 351, a plurality of second lamp beads 352 are disposed on the second substrate 351, a light shielding plate 315 is disposed between two adjacent second lamp beads 352, and the light shielding plate 315 extends towards the second substrate 351, so that light crosstalk between the adjacent second lamp beads 352 can be avoided.

The foregoing is merely illustrative of the embodiments of this utility model and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the utility model, and it is intended to cover all modifications and variations as fall within the scope of the utility model.

Claims

1. A beauty instrument, which is characterized by comprising a rear shell and a middle shell component which are mutually covered and arranged;

the middle case assembly includes:

a frame portion;

2. The cosmetic apparatus of claim 1, wherein the middle shell assembly comprises a hollowed-out portion at an edge of the fixing plate, and the first slot is communicated with the hollowed-out portion.

3. The apparatus according to claim 2, wherein the rear housing includes a plurality of second holding portions provided on an inner surface thereof, each of the second holding portions being provided in one of the hollowed-out portions so as to be held by the fixing plate.

4. The cosmetic apparatus of claim 2, wherein the middle housing assembly comprises:

5. The cosmetic apparatus of claim 4, wherein the middle shell assembly further comprises an elastic member disposed between the first cover plate and the rim portion.

6. The cosmetic apparatus of claim 4, wherein at least two contacts are provided on the first substrate, the middle shell assembly includes the first cover plates having the same number as the contacts, each of the first cover plates includes one pressing portion, and the contacts are disposed in one-to-one correspondence with the pressing portions.

7. The cosmetic apparatus of claim 2, wherein the middle housing assembly comprises:

8. The cosmetic apparatus of claim 7, wherein the frame further comprises a light shielding plate protruding from an inner surface of the frame toward the second substrate, the second substrate is provided with a plurality of second light beads, and one light shielding plate is disposed between two adjacent second light beads.

9. The cosmetic apparatus according to any one of claims 1 to 8, further comprising:

10. The cosmetic apparatus of claim 9, wherein at least one of the front shell and the rear shell comprises a collar flange; the flange is embedded in the frame part.