阅读说明：本技术 刷柄装置及电动牙刷 (Brush holder device and electric toothbrush ) 是由 廖嘉业 姚志坚 陈思远 李双双 黄李祥 于 2021-01-04 设计创作，主要内容包括：本申请实施例提供一种刷柄装置及电动牙刷,刷柄装置包括刷柄壳体、电池机构、驱动电机、第一缓冲件以及第二缓冲件。刷柄壳体的内部开设有安装腔；电池机构设置于安装腔中,且与安装腔的内壁连接；驱动电机位于安装腔中；第一缓冲件的一端与电池机构连接,另一端与驱动电机连接,驱动电机与电池机构电连接；第二缓冲件设置于安装腔的内壁上,驱动电机的远离第一缓冲件的一端与第二缓冲件连接。上述的刷柄装置,驱动电机与电池机构及刷柄壳体均不是直接硬性连接的,驱动电机在工作过程中相当于处于悬浮状态,因此提升了驱动电机的输出效率,有效地减少了驱动电机传递给刷柄壳体的震动,因此使得电动牙刷工作时震动较小。(The embodiment of the application provides a brush holder device and electric toothbrush, and the brush holder device includes brush holder casing, battery mechanism, driving motor, first bolster and second bolster. A mounting cavity is arranged inside the brush handle shell; the battery mechanism is arranged in the mounting cavity and is connected with the inner wall of the mounting cavity; the driving motor is positioned in the mounting cavity; one end of the first buffer part is connected with the battery mechanism, the other end of the first buffer part is connected with the driving motor, and the driving motor is electrically connected with the battery mechanism; the second bolster sets up on the inner wall of installation cavity, and driving motor's the one end of keeping away from first bolster is connected with the second bolster. Foretell brush holder device, driving motor and battery mechanism and brush holder casing are not direct rigid connection, and driving motor is in the suspended state in the course of the work equivalently, has consequently promoted driving motor's output efficiency, has reduced driving motor effectively and has transmitted the vibrations for the brush holder casing, consequently makes electric toothbrush during operation vibrations less.)

1. A handle assembly, comprising:

the brush holder shell is internally provided with a mounting cavity;

the battery mechanism is arranged in the mounting cavity and is connected with the inner wall of the mounting cavity;

a drive motor located in the mounting cavity;

one end of the first buffer part is connected with the battery mechanism, the other end of the first buffer part is connected with the driving motor, and the driving motor is electrically connected with the battery mechanism;

the second bolster, the second bolster set up in on the inner wall of installation cavity, driving motor's keeping away from the one end of first bolster with the second bolster is connected.

2. The brush holder device according to claim 1, wherein one end of the battery mechanism is provided with a first engaging portion, the other end of the battery mechanism is connected to the inner wall of the mounting cavity, a second engaging portion is provided on a surface of the first buffer member facing the battery mechanism, and the first engaging portion is engaged with the second engaging portion; one end of the driving motor is provided with a third clamping part, one surface of the first buffer part, which faces the driving motor, is provided with a fourth clamping part, and the third clamping part is clamped with the fourth clamping part to be matched.

3. The brush handle device according to claim 2, wherein an end of the battery mechanism adjacent to the first buffer member is provided with a first engaging portion, the first engaging portion is the first engaging portion, a first engaging groove is formed on a surface of the first buffer member facing the battery mechanism, the second engaging portion is the first engaging groove, and the first engaging portion is engaged with the first engaging groove; the one end of driving motor towards first bolster is equipped with second joint portion, the portion is established to the third card is second joint portion, the orientation of first bolster second draw-in groove has been seted up to driving motor's one side, the portion is established to the fourth card the second draw-in groove, second joint portion card is located in the second draw-in groove.

4. The handle device according to claim 3, wherein the battery mechanism comprises a battery and a connecting member, one end of the battery is connected to the inner wall of the mounting cavity, the other end of the battery is provided with a first connecting strip, one end of the connecting strip away from the battery is connected to the connecting member, a space is provided between the connecting member and the battery, and one surface of the connecting member facing the first buffer member is provided with the first clamping portion.

5. The handle set according to claim 4, wherein the battery mechanism further comprises a mounting member connected to an inner wall of the mounting cavity, wherein the battery is provided with a second connecting bar at an end thereof remote from the connecting member, wherein the connecting bar is connected to the mounting member at an end thereof remote from the battery, and the mounting member is spaced apart from the battery.

6. The brush holder device according to claim 1, wherein a connecting hole is formed at an end surface of one end of the brush holder housing to communicate with the mounting cavity, a motor shaft is provided at an end surface of one end of the driving motor remote from the first buffer member, the connecting hole is penetrated by one end of the motor shaft remote from the driving motor, the second buffer member is disposed in the connecting hole and abuts against an inner wall of the connecting hole, the second buffer member has a sleeve hole, and the motor shaft is disposed through the sleeve hole.

7. The brush holder device according to claim 6, wherein the second buffer member extends to form a pressing portion, the pressing portion is located in the mounting cavity, one surface of the pressing portion presses against an inner edge of the connecting hole, and the other surface of the pressing portion presses against an end surface of the motor at an end away from the first buffer member.

8. The brush holder device according to claim 7, wherein the brush holder assembly further comprises a supporting member, one end of the supporting member abuts against an end surface of one end of the motor away from the first buffer member, and the other end abuts against the abutting portion.

9. The brush holder device according to claim 6, further comprising a bottom cover, wherein a mounting opening communicating with the mounting cavity is formed at one end of the brush holder housing away from the motor shaft, at least a portion of the bottom cover movably penetrates through the mounting opening, and a sealing ring is sleeved on the bottom cover and abuts against an inner wall of the mounting opening.

10. An electric toothbrush comprising a toothbrush head and a handle assembly as claimed in any one of claims 1 to 9, the handle housing being connected to the toothbrush head.

Technical Field

The application relates to the technical field of electric toothbrushes, in particular to a brush handle device and an electric toothbrush.

Background

At present, the inside battery pack of current electric toothbrush and motor element are the design of integral type, and this design is easily transmitted the motor vibrations to the brush holder subassembly on, and then has reduced motor output efficiency, and the vibrations of brush holder subassembly make user's use feel not good, has influenced the convenience of use.

Disclosure of Invention

An object of the embodiment of the application is to provide a brush handle device and an electric toothbrush, which are used for solving the problems of low output efficiency and large vibration of the existing electric toothbrush.

The embodiment of the application provides a brush handle device, includes:

the brush holder shell is internally provided with a mounting cavity;

the battery mechanism is arranged in the mounting cavity and is connected with the inner wall of the mounting cavity;

a drive motor located in the mounting cavity;

one end of the first buffer part is connected with the battery mechanism, the other end of the first buffer part is connected with the driving motor, and the driving motor is electrically connected with the battery mechanism;

the second bolster, the second bolster set up in on the inner wall of installation cavity, driving motor's keeping away from the one end of first bolster with the second bolster is connected.

In one embodiment, one end of the battery mechanism is provided with a first clamping portion, the other end of the battery mechanism is connected with the inner wall of the mounting cavity, one surface of the first buffer piece facing the battery mechanism is provided with a second clamping portion, and the first clamping portion is clamped and matched with the second clamping portion; one end of the driving motor is provided with a third clamping part, one surface of the first buffer part, which faces the driving motor, is provided with a fourth clamping part, and the third clamping part is clamped with the fourth clamping part to be matched.

In one embodiment, a first clamping portion is arranged at one end of the battery mechanism adjacent to the first buffer member, the first clamping portion is the first clamping portion, a first clamping groove is formed in one surface of the first buffer member facing the battery mechanism, the second clamping portion is the first clamping groove, and the first clamping portion is clamped in the first clamping groove; the one end of driving motor towards first bolster is equipped with second joint portion, the portion is established to the third card is second joint portion, the orientation of first bolster second draw-in groove has been seted up to driving motor's one side, the portion is established to the fourth card the second draw-in groove, second joint portion card is located in the second draw-in groove.

In one embodiment, the battery mechanism comprises a battery and a connecting piece, one end of the battery is connected with the inner wall of the installation cavity, a first connecting strip is arranged at the other end of the battery, one end, far away from the battery, of the connecting strip is connected with the connecting piece, an interval is arranged between the connecting piece and the battery, and the first clamping portion is arranged on one surface, facing the first buffer piece, of the connecting piece.

In one embodiment, the battery mechanism further comprises a mounting part, the mounting part is connected with the inner wall of the mounting cavity, a second connecting strip is arranged at one end, far away from the connecting piece, of the battery, one end, far away from the battery, of the connecting strip is connected with the mounting part, and a gap is reserved between the mounting part and the battery.

In one embodiment, a connecting hole communicated with the mounting cavity is formed in an end surface of one end of the brush holder shell, a motor shaft is arranged on an end surface of one end of the driving motor, which is far away from the first buffer member, the connecting hole is penetrated through by one end of the motor shaft, which is far away from the driving motor, the second buffer member is arranged in the connecting hole and is tightly abutted against an inner wall of the connecting hole, the second buffer member is provided with a sleeve hole, and the motor shaft penetrates through the sleeve hole.

In one embodiment, the second buffer member extends to form a abutting portion, the abutting portion is located in the mounting cavity, one surface of the abutting portion abuts against the inner edge of the connecting hole, and the other surface of the abutting portion abuts against an end surface of one end, far away from the first buffer member, of the motor.

In one embodiment, the brush holder assembly further includes a supporting member, one end of the supporting member abuts against an end surface of one end of the motor, which is far away from the first buffer member, and the other end abuts against the abutting portion.

In one embodiment, the brush holder device further comprises a bottom cover, a mounting opening communicated with the mounting cavity is formed in one end, far away from the motor shaft, of the brush holder shell, at least part of the bottom cover movably penetrates through the mounting opening, a sealing ring is sleeved on the bottom cover, and the sealing ring is tightly abutted to the inner wall of the mounting opening.

A powered toothbrush comprising a head and a handle means as in any one of the previous embodiments, the handle housing being connected to the head.

The brush holder device and the electric toothbrush are characterized in that the driving motor of the brush holder device is arranged in the mounting cavity, and the two ends of the driving motor are respectively connected with the first buffer part and the second buffer part, so that the driving motor, the battery mechanism and the brush holder shell are not directly and rigidly connected, the driving motor is equivalently in a suspension state in the working process, the output efficiency of the driving motor is improved, one end of the driving motor is flexibly connected with the battery mechanism in a separation way through the first buffer part, only less vibration is transmitted to the battery mechanism after the vibration of the driving motor is buffered by the first buffer part, the vibration of the battery mechanism can be effectively reduced, namely the vibration of the brush holder shell is reduced, the vibration of the other end of the driving motor is also connected with the inner wall of the mounting cavity through the second buffer part, namely the other end is flexibly connected with the brush holder shell in a separation way, and the vibration transmitted to the brush, thereby making the electric toothbrush less jarring when in operation.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic view of a handle assembly according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of the handle assembly shown in FIG. 1 at A;

fig. 3 is an enlarged view of a portion of the handle assembly shown in fig. 1 at point B.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

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

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

In one embodiment, a brush handle apparatus includes a brush handle housing, a battery mechanism, a drive motor, a first buffer, and a second buffer. A mounting cavity is formed in the brush handle shell; the battery mechanism is arranged in the installation cavity and is connected with the inner wall of the installation cavity; the driving motor is positioned in the mounting cavity; one end of the first buffer part is connected with the battery mechanism, the other end of the first buffer part is connected with the driving motor, and the driving motor is electrically connected with the battery mechanism; the second bolster set up in on the inner wall of installation cavity, driving motor's the one end of keeping away from first bolster with the second bolster is connected.

As shown in fig. 1, the brush holder assembly 10 of an embodiment includes a brush holder housing 100, a battery mechanism 200, a driving motor 300, a first buffer 400, and a second buffer 500. The interior of the brush holder shell 100 is provided with a mounting cavity 101. The battery mechanism 200 is disposed in the installation cavity 101, and is connected to an inner wall of the installation cavity 101. The driving motor 300 is located in the installation cavity 101. One end of the first buffer member 400 is connected to the battery mechanism 200, the other end is connected to the driving motor 300, and the driving motor 300 is electrically connected to the battery mechanism 200. The second buffer member 500 is disposed on the inner wall of the mounting cavity 101, and one end of the driving motor 300, which is far away from the first buffer member 400, is connected to the second buffer member 500. In one embodiment, the battery mechanism 200 and the driving motor 300 are electrically connected through a PCBA.

In the brush holder device 10, the driving motor 300 of the brush holder device 10 is disposed in the mounting cavity 101, and two ends of the driving motor 300 are respectively connected to the first buffer member 400 and the second buffer member 500, so that the driving motor 300, the battery mechanism 200 and the brush holder housing 100 are not directly and rigidly connected, and the driving motor 300 is in a suspended state in the working process, thereby improving the output efficiency of the driving motor 300, one end of the driving motor 300 is flexibly connected to the battery mechanism 200 through the first buffer member 400, the vibration of the driving motor 300 is buffered by the first buffer member 400 and then transmitted to the battery mechanism 200 with less vibration, which can effectively reduce the vibration of the battery mechanism 200, i.e. reduce the vibration of the brush holder housing 100, the vibration of the other end of the driving motor 300 is also connected to the inner wall of the mounting cavity 101 through the second buffer member 500, i.e. the other end is flexibly connected to the brush holder housing 100, the vibration transmitted from the driving motor 300 to the handle housing 100 is effectively reduced, thereby making the electric toothbrush less vibrated when it is operated.

In order to facilitate the battery mechanism 200 and the driving motor 300 to be respectively matched with the first buffer member 400, in one embodiment, one end of the battery mechanism 200 is provided with a first clamping portion, the other end of the battery mechanism 200 is connected with the inner wall of the mounting cavity 101, one surface of the first buffer member 400 facing the battery mechanism 200 is provided with a second clamping portion, and the first clamping portion is clamped and matched with the second clamping portion; the one end of driving motor 300 is equipped with the third card and establishes the portion, the orientation place of first bolster 400 one side of driving motor 300 is equipped with the fourth card and establishes the portion, the third card establish the portion with the cooperation is established to the fourth card establishment portion card, makes first bolster 400 and battery mechanism 200 joint like this, and with battery mechanism 200 joint, makes battery mechanism 200 and driving motor 300 be connected with first bolster 400 is firm respectively like this for driving motor 300 is firm with being connected of battery mechanism 200, and convenient to detach and first bolster 400 of installation moreover.

In order to facilitate the battery mechanism 200 and the driving motor 300 to be respectively engaged with the first buffer member 400, in one embodiment, as shown in fig. 1 and fig. 2, one end of the battery mechanism 200 adjacent to the first buffer member 400 is provided with a first engaging portion 201, the first engaging portion is the first engaging portion 201, one surface of the first buffer member 400 facing the battery mechanism 200 is provided with a first engaging slot 401, the second engaging portion is the first engaging slot 401, and the first engaging portion 201 is engaged in the first engaging slot 401; one end of driving motor 300 towards first bolster 400 is equipped with second joint portion 301, the third card is established the portion and is done second joint portion 301, the orientation of first bolster 400 second draw-in groove 402 has been seted up to driving motor 300's one side, the fourth card is established the portion and is done second draw-in groove 402, second joint portion 301 card is located in the second draw-in groove 402, through the cooperation of joint portion and draw-in groove, be convenient for battery mechanism 200 and driving motor 300 establish the cooperation with first bolster 400 card respectively, set up first draw-in groove 401 and second draw-in groove 402 on first bolster 400 in addition, avoided inconvenient problem of seting up the draw-in groove on battery mechanism 200 and driving motor 300, further be convenient for battery mechanism 200 and driving motor 300 establish the cooperation with first bolster 400 card respectively.

In order to further reduce the vibration transmitted to the battery mechanism 200 by the driving motor 300, in one embodiment, as shown in fig. 1 and fig. 2, the battery mechanism 200 includes a battery 210 and a connecting member 220, one end of the battery 210 is connected to the inner wall of the mounting cavity 101, the other end of the battery 210 is provided with a first connecting strip 211, one end of the connecting strip away from the battery 210 is connected to the connecting member 220, a space is provided between the connecting member 220 and the battery 210, one side of the connecting member 220 facing the first cushion member 400 is provided with the first engaging portion 201, the connecting member 220 is used for providing the first engaging portion 201, and due to the first connecting strip 211 provided between the connecting member 220 and the battery 210, the first connecting strip 211 serves to connect the battery 210 and the connecting member 220 and also serves to space the battery 210 and the connecting member 220, so that the connecting member 220 may have a slight vibration, the battery 210 receives less vibration and therefore transmits less vibration to the handle housing 100.

In order to reduce the vibration transmitted by the battery mechanism 200 to the handle housing 100, in one embodiment, as shown in fig. 1, the battery mechanism 200 further includes a mounting member 230, the mounting member 230 is connected to the inner wall of the mounting cavity 101, the end of the battery 210 far from the connecting member 220 is provided with a second connecting bar 212, the end of the connecting bar far from the battery 210 is connected to the mounting member 230, the mounting member 230 is spaced apart from the battery 210, so that the second connecting bar 212 is provided between the mounting member 230 and the battery 210, which serves to connect the battery 210 and the mounting member 230, and also serves to space the battery 210 and the mounting member 230, so that the vibration transmitted by the battery 210 to the handle housing 100 is smaller by the buffering of the mounting member 230.

In order to avoid the vibration of the driving motor 300 from being output from the motor shaft 310 to the brush holder housing 100, in one embodiment, as shown in fig. 1 and 3, a connecting hole 102 communicating with the mounting cavity 101 is formed in an end surface of one end of the brush holder housing 100, a motor shaft 310 is disposed on an end surface of one end of the driving motor 300 away from the first buffer member 400, the connecting hole 102 is formed in an end surface of the motor shaft 310 away from the driving motor 300, the second buffer member 500 is disposed in the connecting hole 102 and abuts against an inner wall of the connecting hole 102, the second buffer member 500 has a sleeve hole 501, and the motor shaft 310 is disposed through the sleeve hole 501, so that the motor shaft 310 does not directly contact with the inner wall of the connecting hole 102, i.e., does not directly contact with the brush holder housing 100, but is spaced apart from the second buffer member 500, and the vibration transmitted from the motor shaft 310 to the brush, and the connecting hole 102 can be sealed radially to prevent water from flowing into the mounting cavity 101 from the connecting hole 102 during brushing teeth, which may damage the driving motor 300 and other elements, and in this embodiment, the second buffer member 500 is a shock-absorbing sealing gasket. In one embodiment, the second buffer member 500 is in interference fit with the inner wall of the connection hole 102, so that the sealing effect is ensured.

In order to enable the second buffer member 500 to better absorb the vibration transmitted to the brush holder housing 100 by the driving motor 300, in one embodiment, as shown in fig. 1 and fig. 3, the second buffer member 500 extends to form a abutting portion 510, the abutting portion 510 is located in the mounting cavity 101, one surface of the abutting portion 510 abuts against the inner edge of the connecting hole 102, that is, one surface of the abutting portion 510 abuts against the inner wall portion of the mounting cavity 101 close to the connecting hole 102, and the other surface abuts against the end surface of the end of the motor far away from the first buffer member 400, so that the abutting portion 510 of the second buffer member 500 can counteract the vibration transmitted by the end of the driving motor 300, and further has a vibration absorbing effect, so that the vibration transmitted to the brush holder housing 100 by the driving motor 300 can be better absorbed, and an axial sealing effect is achieved.

In order to stably arrange the second buffer member 500, as shown in fig. 1 and 3, in one embodiment, the brush holder assembly further includes a supporting member 600, one end of the supporting member 600 is tightly abutted to the end surface of the motor far away from the end of the first buffer member 400, and the other end of the supporting member 600 is tightly abutted to the abutting portion 510, so that the damping gasket can be stably arranged between the driving motor 300 and the inner edge of the connecting hole 102 through the supporting member 600, and the stability of damping and sealing is ensured.

In order to facilitate the installation and disassembly of the battery mechanism 200, the driving motor 300 and other components, and ensure the sealing performance of the brush holder housing 100, in one embodiment, as shown in fig. 1, the brush holder device 10 further includes a bottom cover 700, one end of the brush holder housing 100 away from the motor shaft 310 is provided with an installation opening 103 communicated with the installation cavity 101, at least a portion of the bottom cover 700 movably penetrates through the installation opening 103, the bottom cover 700 is sleeved with a sealing ring 800, the sealing ring 800 abuts against the inner wall of the installation opening 103, so that the bottom cover 700 can movably penetrate through the installation opening 103 to seal the installation opening 103, thereby facilitating the disassembly and the assembly of the battery mechanism 200, the driving motor 300 and other components from the installation opening 103, and because the sealing ring 800 is arranged between the bottom cover 700 and the inner wall of the installation opening 103, the sealing ring 800 respectively abuts against the inner wall of the installation opening 103 and the, sealing of the mounting opening 103 is achieved. In one embodiment, the sealing ring 800 is in interference fit with the inner wall of the mounting opening 103, so that the sealing effect of the sealing ring 800 is ensured.

A powered toothbrush comprising a head and a handle assembly 10 as described in any of the above embodiments, the handle housing 100 being connected to the head.

In the above-mentioned electric toothbrush, the driving motor 300 of the brush holder device 10 is disposed in the mounting cavity 101, and two ends of the driving motor 300 are respectively connected to the first buffer member 400 and the second buffer member 500, so that the driving motor 300, the battery mechanism 200 and the brush holder housing 100 are not directly and rigidly connected, and the driving motor 300 is in a suspension state in the working process, so as to improve the output efficiency of the driving motor 300, one end of the driving motor 300 is separated from the battery mechanism 200 by the first buffer member 400 for soft connection, the vibration of the driving motor 300 is buffered by the first buffer member 400 and then transmitted to the battery mechanism 200 with less vibration, so as to effectively reduce the vibration of the battery mechanism 200, i.e. reduce the vibration of the brush holder housing 100, the vibration of the other end of the driving motor 300 is also connected to the inner wall of the mounting cavity 101 by the second buffer member 500, i.e. the other end is separated from the brush, the vibration transmitted from the driving motor 300 to the handle housing 100 is effectively reduced, thereby making the electric toothbrush less vibrated when it is operated.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.