阅读说明：本技术 一种压电按擦洁面仪刷头 (Brush head of piezoelectric pressing and wiping face cleaning instrument ) 是由 李晓蔚 吴越 兰莉莉 于 2018-07-13 设计创作，主要内容包括：本发明涉及一种压电按擦洁面仪刷头,包括：基座、外壳和压电振子,其中：基座由基座底板、刷座和刷毛构成；基座底板为相同的两个圆片结构中间布置一矩形基座振子安装台,在其圆柱外侧面形成基座滑槽,另一端圆片下端面与刷座连接,在刷座上布置刷毛；基座振子安装台两个侧面对称布置有两个振子安装槽,两片压电振子对称布置在振子安装槽两侧；两个外壳与基座滑槽间隙配合,安装在基座上；压电振子一端布置有自由端质量块,另一端安装在振子安装槽内。本发明采用压电惯性驱动,具有结构简单,容差性强、功率密度高、发热少、无电磁波干扰等优点,特别是驱动与振动形成过程中无摩擦副,提高使用寿命和能量转换效率。(The invention relates to a brush head of a piezoelectric pressing and wiping face cleaning instrument, which comprises: base, shell and piezoelectric vibrator, wherein: the base is composed of a base bottom plate, a brush holder and brush bristles; the base bottom plate is a rectangular base vibrator mounting table arranged between two identical wafer structures, a base sliding groove is formed on the outer side surface of a cylinder of the base bottom plate, the lower end surface of the wafer at the other end of the base bottom plate is connected with a brush holder, and brush bristles are arranged on the brush holder; two vibrator mounting grooves are symmetrically arranged on two side surfaces of the base vibrator mounting table, and two piezoelectric vibrators are symmetrically arranged on two sides of the vibrator mounting grooves; the two shells are in clearance fit with the sliding grooves of the base and are arranged on the base; a free end mass block is arranged at one end of the piezoelectric vibrator, and the other end of the piezoelectric vibrator is arranged in the vibrator mounting groove. The piezoelectric inertia drive is adopted, so that the piezoelectric inertia drive type vibration generator has the advantages of simple structure, strong tolerance, high power density, less heating, no electromagnetic wave interference and the like, particularly no friction pair exists in the drive and vibration forming process, and the service life and the energy conversion efficiency are improved.)

1. A piezoelectric push-to-wipe face-cleaning instrument brush head, comprising: base (1), shell (2), its characterized in that still includes piezoelectric vibrator (3), wherein:

the base (1) is composed of a base bottom plate (11), a brush holder (12) and brush bristles (13); the base bottom plate (11) is formed by arranging a rectangular boss between two identical wafer structures, the outline size of the rectangular boss is smaller than that of the wafer structures, a base sliding groove (111) is formed in the outer side surface of a cylinder of the base bottom plate, the rectangular boss is arranged on the upper end surface of the outer side of the wafer structure in the base bottom plate (11) and is a base vibrator mounting table (112), the lower end surface of the wafer at the other end is connected with a brush holder (12), and brush bristles (13) are arranged on the brush holder (12); two vibrator installation grooves (1121) are symmetrically arranged on two side surfaces of the base vibrator installation table (112); the included angle between the length direction of the vibrator mounting groove (1121) and the surface of the wafer of the base bottom plate (11) is an acute angle; the shell (2) is a semi-cylindrical shell structure formed by dividing a hollow cylindrical shell with an opening on the bottom surface along the plane of the central line, and a shell sliding plate (21) is arranged in a semi-cylindrical groove in the direction parallel to the end surface of the opening on the bottom surface; a rectangular opening (211) is arranged through the center of the semicircle of the shell sliding plate (21); the size of the rectangular opening (211) is larger than the inner contour size of the base sliding chute (111); the two shells (2) are arranged on the base (1) through clearance fit of the rectangular openings (211) and the base sliding grooves (111); the piezoelectric vibrator (3) is formed by adhering piezoelectric sheet materials (32) to the surface of an elastic substrate (31) and then arranging a free end mass block (33) at one end in the length direction, and the other end of the piezoelectric vibrator is installed in the vibrator installation groove (1121).

2. A piezoelectric push-to-wipe face cleaner as claimed in claim 1, wherein: the two piezoelectric vibrators (3) have the same structure, and adopt a single-chip piezoelectric vibrator formed by sticking one piece of piezoelectric sheet material (32) on the elastic substrate (31) with the free end mass block (33) or a double-chip piezoelectric vibrator formed by sticking two pieces of piezoelectric sheet material (32) on two sides of the elastic substrate (31) with the free end mass block (33).

3. A piezoelectric push-to-wipe face cleanser brush head according to claim 1, wherein: a plurality of vibrator installation grooves (1121) are symmetrically arranged on the base vibrator installation table (112), and a piece of piezoelectric vibrator (3) is arranged in each vibrator installation groove (1121).

Technical Field

The invention belongs to the field of hairdressing or shaving equipment of personal or household articles in human life necessity, and particularly relates to a piezoelectric pressing face cleaning instrument brush head.

Background

At present, the electric facial cleaning instrument on the market mainly depends on parts such as a motor-driven brush and the like to operate to clean the skin of the face, the existing motor-driven structural mode has the defects of complex structure, higher processing precision requirement and higher processing cost, and the application of the piezoelectric wiping facial cleaning instrument in the actual production is seriously limited, so that the design of the piezoelectric wiping facial cleaning instrument which has a simple structure and is convenient for large-scale production is very important.

Disclosure of Invention

In order to solve the problems of complex structure, high processing precision requirement and high processing cost of a driving part motor adopted in the existing face cleaning instrument, the piezoelectric pressing face cleaning instrument brush head is provided and comprises a base, a shell and a piezoelectric vibrator, the piezoelectric vibrator applies alternating voltage and generates reciprocating bending deformation, the piezoelectric vibrator drives the base to generate vertical and horizontal vibration under the reaction of mass block inertia force in the bending vibration process, the deep skin is cleaned in the vertical direction, dirty objects are 'patted' out from deep pores, and the horizontal component force drives the base to generate horizontal displacement to further clean the skin. Compared with the vibration mode formed by driving a crank slider mechanism by a motor adopted by the existing massage appliance, the piezoelectric inertia driving device has the advantages of simple structure, strong tolerance, high power density, less heat generation, no electromagnetic wave interference and the like, particularly has no friction pair in the driving and vibration forming process, and improves the service life and the energy conversion efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention relates to a brush head of a piezoelectric pressing and wiping face cleaning instrument, which comprises: base, shell and piezoelectric vibrator, wherein:

the base is formed by connecting the lower end surface of a base bottom plate with a brush holder for arranging brush bristles; the base bottom plate is formed by arranging a rectangular boss between two identical wafer structures, the outline size of the rectangular boss is smaller than that of the wafer structures, a base sliding groove is formed on the outer side surface of a cylinder of the rectangular boss, and the rectangular boss is arranged on the upper end surface of the outer side of the wafer structure in the base bottom plate and serves as a base vibrator mounting table; two vibrator mounting grooves are symmetrically arranged on two side surfaces of the base vibrator mounting table; an included angle between the length direction of the vibrator mounting groove and the surface of the base bottom plate wafer is an acute angle; the shell is a semi-cylindrical shell structure formed by dividing a hollow cylindrical shell with an opening in the bottom surface along the plane of the central line, and a shell sliding plate is arranged in a semi-cylindrical groove in the direction parallel to the opening in the bottom surface; a rectangular opening is arranged through the center of the semicircle of the shell sliding plate; the size of the rectangular opening is larger than the inner contour size of the base sliding groove; the two shells are arranged on the base in a clearance fit manner through the rectangular openings and the base sliding grooves; the piezoelectric vibrator is formed by adhering piezoelectric thin material on the surface of an elastic substrate and arranging a free end mass block at one end in the length direction, and the other end of the piezoelectric vibrator is arranged in a vibrator mounting groove in an interference fit adhesion or welding mode.

The two piezoelectric vibrators have the same structure, and adopt a single-chip piezoelectric vibrator formed by sticking a piece of piezoelectric sheet material on the elastic substrate with the free end mass block or a double-chip piezoelectric vibrator formed by sticking two pieces of piezoelectric sheet material on two sides of the elastic substrate with the free end mass block.

A plurality of vibrator installation grooves can be symmetrically arranged on the base vibrator installation table, and each vibrator installation groove is internally provided with a piece of piezoelectric vibrator.

The during operation, the shell is held to the hand, the piezoelectric vibrator is fixed on the base, apply alternating voltage to the piezoelectric vibrator, it takes place reciprocal bending deformation, the piezoelectric vibrator drives the base and produces vertical and horizontal vibration under the reaction of free end mass block inertia force at the bending vibration in-process, drive the vibration of fixed brush hair emergence for the shell on base and the base, form the cleaning power, the vertical direction is through carrying out deep skin cleanness, with dirty thing from the pore depths "clap" play, horizontal direction component force drives the base and produces water and keep flat to the displacement, further clean skin.

Drawings

Fig. 1 is a brush head composition structure of a piezoelectric pressing face cleaning instrument.

Fig. 2 is a schematic sectional structure diagram of a brush head of a piezoelectric pressing face cleaning instrument.

Fig. 3 is a schematic view of the structure of the base used in the present invention.

Fig. 4 is a schematic view of the structure of the housing employed in the present invention.

Detailed Description

Referring to fig. 1, 2, 3 and 4, the piezoelectric cleansing apparatus head of the present invention comprises: base 1, shell 2 and piezoelectric vibrator 3 constitute, wherein:

the base 1 is composed of a base bottom plate 11, a brush holder 12 and brush bristles 13; the base bottom plate 11 is formed by arranging a rectangular boss between two same wafer structures, a base sliding groove 111 is formed on the outer side surface of a cylinder of the base bottom plate, the rectangular boss is arranged on the upper end surface of the outer side of the wafer structure in the base bottom plate 11 and is used as a base vibrator mounting table 112, the lower end surface of the wafer at the other end is bonded with the brush holder 12, and the brush bristles 13 are bonded on the brush holder 12; two vibrator installation grooves 1121 are symmetrically arranged on two side surfaces of the base vibrator installation table 112; the included angle between the length direction of the vibrator installation groove 1121 and the surface of the base bottom plate 11 wafer is an acute angle; the shell 2 is a semi-cylindrical structure formed by dividing a hollow cylindrical shell with an opening on the bottom surface along a plane where a center line is located, and a shell sliding plate 21 is arranged in a semi-cylindrical groove in a direction parallel to the opening on the bottom surface; a rectangular opening 211 is arranged through the semicircular center of the shell sliding plate 21; the size of the rectangular opening 211 is larger than the inner contour size of the base chute 112; the two shells 2 are in clearance fit with the base sliding groove 111 through the rectangular opening 211 and are arranged on the base 1; the piezoelectric vibrator 3 is formed by bonding a piezoelectric sheet material 32 to the surface of an elastic substrate 31, and then bonding a free end mass 33 to one end in the longitudinal direction, and bonding the other end to the inside of the vibrator mounting groove 1121.

When the skin cleaning machine works, the shell 2 is held by a hand, the piezoelectric vibrator 3 is fixed on the base 1, alternating voltage is applied to the piezoelectric vibrator 3, the piezoelectric vibrator generates reciprocating bending deformation, the piezoelectric vibrator 3 drives the base 1 to generate vertical and horizontal vibration under the reaction of the inertia force of the mass block 33 at the free end in the bending vibration process, the brush bristles 13 fixed on the base 1 and the base 1 are driven to generate vibration relative to the shell 2, the cleaning capacity is formed, dirty objects are 'patted' out from the deep part of a pore in the vertical direction, the component force in the horizontal direction drives the base 1 to generate horizontal displacement, and the skin is further cleaned.