CN220439978U

CN220439978U - Waterproof structure and shaver

Info

Publication number: CN220439978U
Application number: CN202321917553.4U
Authority: CN
Inventors: 李家碧
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-02-02
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a waterproof structure and a shaver applying the same, the waterproof structure comprises a shell, a mounting cavity and a through hole communicated with the mounting cavity are arranged on the shell, a control board of an electric connection assembly is arranged in the mounting cavity, a connection interface is electrically connected with the control board and is partially inserted into the through hole, and the connection interface is used for connecting an external port. The sealant groove of the mounting seat is communicated with the through hole, and the connecting interface part is accommodated in the sealant groove. The sealant groove in this application is used for pouring liquid sealant, because the sealant groove is linked together with the through hole, consequently after pouring liquid sealant, the sealant can permeate in the clearance between interface and the shell. After the sealant is solidified, gaps between the sealant and the electronic product can be filled and sealed, so that the situation that the electronic product cannot be completely sealed due to production or assembly errors is avoided to a greater extent, and the waterproof performance of the electronic product is further improved.

Description

Waterproof structure and shaver

Technical Field

The utility model relates to the technical field of personal care, in particular to a waterproof structure and a shaver.

Background

Along with the progress of scientific technology, electronic products are gradually moved into thousands of families, and electronic products with various functions are greatly convenient for the daily life of people. The control circuit board is used as an important component of the electronic product, and the requirement on water resistance is high.

In the related art, in order to improve the waterproof level of an electronic product, an integral sealing structure is generally adopted, but because data transmission and charging are required, a connection interface of the electronic product is inevitably required to be exposed, and a sealing ring is generally arranged between the connection interface and a shell in waterproof treatment. There is a certain hidden trouble in adopting this kind of sealing mode. Specifically, due to errors in production and assembly or aging of the sealing ring, the liquid may be in the housing through gaps among the sealing ring, the housing and the connection interface, thereby causing damage to the control circuit board and poor waterproof effect.

Disclosure of Invention

The utility model mainly aims to provide a waterproof structure which aims to improve the waterproof effect of electronic products.

In order to achieve the above object, the present utility model provides a waterproof structure comprising:

the shell is provided with an installation cavity and a through hole communicated with the installation cavity;

the electric connection assembly comprises a control board and a connection interface electrically connected with the control board, the control board is arranged in the mounting cavity, and the connection interface is inserted into the through hole; and

the mounting seat is arranged in the mounting cavity and provided with a sealant groove, the sealant groove is communicated with the through hole, the connecting interface part is accommodated in the sealant groove, and the sealant groove is used for pouring sealant.

Optionally, the mounting seat is provided with a glue injection port communicated with the sealing glue groove, and the glue injection port exposes the connection interface part.

Optionally, the cavity wall surface of the installation cavity is convexly provided with a positioning protrusion, the installation seat is concavely arranged towards one side of the positioning protrusion to form a positioning groove, the positioning protrusion is embedded in the positioning groove, and the installation seat is detachably connected with the positioning protrusion.

Optionally, the waterproof structure includes the connecting piece, the mounting hole has been seted up to the location arch, first connecting hole has been seted up to the mount pad, the connecting piece wears to locate first connecting hole with the mounting hole.

Optionally, the control panel sets up the hole of dodging that runs through its upper and lower two faces, the location arch wears to locate the control panel, the mount pad is protruding to be established and is formed with the bead that supports, support the bead butt in the face of control panel, in order to with the control panel suppression in the cavity wall of installation cavity.

Optionally, the waterproof structure further comprises a pre-tightening seat, a second connecting hole is formed in one end of the pre-tightening seat, a claw is arranged at the other end of the pre-tightening seat, the claw is clamped on the outer side of the connecting interface, and the connecting piece penetrates through the second connecting hole and the mounting hole.

The utility model also provides a shaver, which comprises a shaver head and a waterproof structure, wherein the waterproof structure is the waterproof structure, and the waterproof structure comprises:

the electric connection assembly comprises a control board and a connection interface electrically connected with the control board, the control board is arranged in the mounting cavity, and the connection interface is inserted into the through hole;

the tool bit is arranged on the shell and is electrically connected with the control board; and

Optionally, the cutter head comprises a long cutter driving motor, a long cutter blade, a round cutter driving motor, a round cutter blade and a round cutter net;

the long knife driving motor and the circular knife driving motor are arranged on two opposite sides of the shell at intervals and are electrically connected with the control board, the long knife is connected with the long knife driving motor in a transmission mode, the circular knife is connected with the circular knife driving motor in a transmission mode, and the circular knife net is connected with the shell.

Optionally, the opposite sides of the mounting seat are convexly provided with a propping protrusion, and the propping protrusion is propped against the long knife driving motor and the circular knife driving motor.

Optionally, the shaver further comprises a power supply, wherein the power supply is arranged in the mounting cavity and is electrically connected with the control board.

The waterproof structure comprises a shell, wherein the shell is provided with a mounting cavity and a through hole communicated with the mounting cavity, a control board of an electric connection assembly is arranged in the mounting cavity, a connection interface is electrically connected with the control board and is partially inserted into the through hole, and the connection interface is used for connecting an external port. The sealant groove of the mounting seat is communicated with the through hole, and the connecting interface part is accommodated in the sealant groove. The sealant groove in this application is used for pouring liquid sealant, because the sealant groove is linked together with the through hole, consequently after pouring liquid sealant, the sealant can permeate in the clearance between interface and the shell. After the sealant is solidified, the gap between the two can be filled and sealed, so that the situation that the sealing cannot be completely performed due to production or assembly errors is avoided to a large extent. Meanwhile, the connecting interface is accommodated in the sealant groove, so that after the sealant is solidified, the connecting interface and the mounting seat can be firmly fixed, and the stability and durability of the integral structure of the electronic product are further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a shaver according to an embodiment of the present utility model;

fig. 2 is an exploded view of the structure of the shaver shown in fig. 1;

FIG. 3 is an enlarged detail view at A in FIG. 2;

fig. 4 is a top view of the shaver shown in fig. 1;

fig. 5 is a cross-sectional view of the shaver of fig. 4 taken along the direction A-A;

fig. 6 is a cross-sectional view of the shaver shown in fig. 4 taken along the direction B-B.

Reference numerals illustrate:

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

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 6, the present utility model proposes a waterproof structure.

In the embodiment of the present utility model, the waterproof structure is specifically applied to an electronic product having a connection interface 122, for example: the Type of the connection interface 122 can be a commonly used interface such as HDMI, micro USB, type C, lightning, etc., and the connection interface 122 can be used for data transmission or charging. The type of application of the waterproof structure to the electronic product and the type and specific use functions of the connection interface 122 are not particularly limited.

In this embodiment, the waterproof structure includes a housing 11, where the housing 11 includes an upper shell 112, a lower shell 113 and a middle frame 114 that are integrally formed of plastic materials, where the upper shell 112 and the lower shell 113 can be connected and fixed by a fastener or a screw structure, the upper shell 112 and the lower shell 113 enclose a mounting cavity 11a, and the middle frame 114 is fixed in the mounting cavity 11 a. The through hole 11b is partially provided in the upper case 112, partially provided in the lower case 113, and partially provided in the middle frame 114. In this application, the upper shell 112 and the lower shell 113 are of detachable connection structures, so that the disassembly and assembly are convenient, and the structure of the upper shell and the lower shell is maintained.

The electrical connection assembly 12 includes a control board 121 and a connection interface 122 electrically connected to the control board 121, wherein the control board 121 includes a printed circuit board (PCB Printed Circuit Board) and a plurality of electronic components disposed on the PCB, such as: control chip, electric capacity, inductance etc., the connection interface 122 is connected to the PCB board through the terminal connection line, and further realizes electrical connection with the control board 121. The PCB board is fixed in the mounting cavity 11a, and the connection interface 122 is partially inserted into the through hole 11b, and the through hole 11b primarily fixes the connection interface 122.

The mount pad 13, set up in the installation cavity 11a, this mount pad 13 can be by plastic material or metal profile shaping, mount pad 13 sets up in installation cavity 11a to set up sealed glue groove 13a, the side opening in this sealed glue groove 13a, after mount pad 13 is fixed in installation cavity 11a, the side butt in the chamber wall in installation cavity 11a of mount pad 13 for through hole 11b is linked together with sealed glue groove 13a, is located the interior partial connection interface 122 holding in this sealed glue groove 13a of installation cavity 11 a.

The sealant groove 13a in the present application is used for pouring liquid sealant, and since the sealant groove 13a is communicated with the through hole 11b, the sealant can permeate into the gap between the connection interface 122 and the housing 11 after pouring liquid sealant. After the sealant is solidified, the gap between the two can be filled and sealed, so that the situation that the sealing cannot be completely performed due to production or assembly errors is avoided to a large extent. Meanwhile, the connecting interface 122 is accommodated in the sealant groove 13a, so that after the sealant is solidified, the connecting interface 122 and the mounting seat 13 can be firmly fixed, and the stability and durability of the integral structure of the electronic product are further improved.

It is understood that the type of the sealant may be epoxy glue or transparent setting glue, etc., and the sealant should be liquid in an initial state and be cured when exposed to air or under specific conditions, and the sealant may be selected according to actual needs, which is not particularly limited herein.

Further, the mounting base 13 is provided with a glue injection port 13b communicating with the sealant slot 13a, in this embodiment, the glue injection port 13b is an upper notch of the sealant slot 13a, and the glue injection port 13b exposes a portion of the connection interface 122 located in the mounting cavity 11 a. Through setting up this injecting glue mouth 13b in this application, carry out the injecting glue when convenient assembly. Meanwhile, since the glue injection port 13b can expose the connection interface 122, when transparent sealant is injected into the sealant groove 13a, the connection state of the connection interface 122 can be clearly presented, which is convenient for the user to maintain.

Referring to fig. 6 again, a positioning protrusion 111 is formed on a wall surface of the mounting cavity 11a, specifically, the positioning protrusion 111 and the middle frame 114 are integrally formed, the positioning protrusion 111 is cylindrical, a positioning groove 13c is formed by recessing one side of the mounting seat 13 toward the positioning protrusion 111, the positioning groove 13c is also a circular groove, the positioning protrusion 111 is embedded in the positioning groove 13c, and the mounting seat 13 is detachably connected to the positioning protrusion 111. Through setting up this location arch 111 in this application for the user can be accurately fix a position mount pad 13 when assembling mount pad 13, makes sealed gluey groove 13a can correspond with connection interface 122, and then improves waterproof construction's leakproofness.

In an embodiment of the present utility model, the waterproof structure includes a connecting member (not shown), wherein the connecting member may be a screw or a pin, and correspondingly, the positioning protrusion 111 is provided with a mounting hole 111a in a threaded hole or a pin hole, the mounting base 13 is provided with a first connecting hole 13d, the aperture of the first connecting hole 13d is slightly larger than the outer diameter of the connecting member, and the connecting member is disposed through the first connecting hole 13d and the mounting hole 111a to connect and fix the mounting base 13 and the positioning protrusion 111. The overall structure of the waterproof structure is simple, and the installation and fixation of the installation seat 13 are stable. Of course, the positioning protrusion 111 and the mounting seat 13 may be fixed by glue bonding or fastening structure, which will not be described in detail herein.

Further, the control plate 121 is provided with a relief hole 121a penetrating through the upper and lower plate surfaces thereof, and the relief hole 121a is slightly larger than the diameter of the positioning boss 111. In actual installation, the positioning protrusion 111 is inserted into the control board 121, so that the control board 121 is attached to the wall surface of the installation cavity 11a, the supporting rib 131 is formed on the installation seat 13 in a protruding manner, and when the installation seat 13 is connected to the positioning protrusion 111 through the connecting piece, the supporting rib 131 abuts against the upper surface of the control board 121, so that the control board 121 is pressed and fixed on the wall surface of the installation cavity 11 a. The control board 121 is fixed through the propping convex edges 131 in the application, so that the waterproof structure can be further simplified, and the space utilization rate of the shell 11 is improved.

In an embodiment of the present utility model, the waterproof structure further includes a pre-tightening seat 14, wherein the pre-tightening seat 14 is formed by metal sheet metal through processes such as cutting and bending, a second connecting hole 14a is formed at one end of the pre-tightening seat 14, the second connecting hole 14a is smaller than the first connecting hole 13d, and the connecting piece is penetrated through the second connecting hole 14a and the mounting hole 111a to connect and fix the pre-tightening seat 14 and the positioning protrusion 111. The other end of the pretensioning seat 14 is provided with a claw 141, the shape of the claw 141 is adapted to the outline of the connection interface 122, and the claw 141 can be clamped on the outer side of the connection interface 122. By arranging the pre-tightening seat 14, the relative position of the connecting interface 122 and the mounting seat 13 can be positioned and clamped before glue is poured. Thus, the assembly accuracy and stability of the mounting seat 13 and the connection interface 122 are improved to a great extent.

The utility model also provides a shaver 1, the shaver 1 comprises a shaver head and a waterproof structure, and the specific structure of the waterproof structure refers to the embodiment, and as the shaver 1 adopts all the technical schemes of all the embodiments, at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein. The waterproof structure comprises a shell 11, wherein the shell 11 is provided with a mounting cavity 11a and a through hole 11b communicated with the mounting cavity 11a, and the electric connection assembly 12 comprises a control board 121 and a connection interface 122 electrically connected with the control board 121, the control board 121 is arranged in the mounting cavity 11a, and the connection interface 122 is partially inserted into the through hole 11b; the cutter head is arranged on the shell 11 and is electrically connected with the control board 121; the mounting seat 13 is disposed in the mounting cavity 11a, and is provided with a sealant groove 13a, the sealant groove 13a is communicated with the through hole 11b, the connection interface 122 is partially accommodated in the sealant groove 13a, and the sealant groove 13a is used for pouring sealant.

Specifically, the cutter head comprises a long cutter driving motor 21, a long cutter 22, a circular cutter driving motor 23, a circular cutter 24 and a circular cutter net 25, wherein the long cutter driving motor 21 and the circular cutter driving motor 23 are arranged on two opposite sides of the shell 11 at intervals and are arranged oppositely, and are respectively connected to the control board 121 through terminal connecting wires, and the rotation of the long cutter driving motor 21 and the circular cutter driving motor 23 is controlled by the control board 121. The long blade 22 is connected with the output shaft of the long blade driving motor 21 through an eccentric shaft in a transmission way, the round blade 24 is connected with the output shaft of the round blade driving motor 23 in a transmission way, the round blade net 25 is connected with the shell 11, and the round blade 24 is covered in the shell. The long blade 22 is driven by the long blade driving motor 21 to reciprocate along the line, and the round blade 24 is driven by the round blade 24 to rotate by the round blade driving motor, so that hairs are cut respectively. The working principle of the cutter head belongs to a mature technology and is not described in more detail here.

In an embodiment of the present utility model, the opposite sides of the mounting seat 13 are convexly provided with the supporting protrusions 132, the supporting protrusions 132 and the mounting seat 13 are integrally formed, the supporting protrusions 132 respectively extend towards the opposite sides of the housing 11 in the mounting cavity 11a, the supporting protrusions 132 respectively abut against the long knife driving motor 21 and the circular knife driving motor 23, and the long knife driving motor 21 and the circular knife driving motor 23 are clamped and fixed on the housing 11 by supporting forces. The long cutter driving motor 21 and the circular cutter driving motor 23 are installed and fixed stably, and the space utilization rate of the shaver 1 is higher.

Further, the shaver 1 further comprises a power source 30, wherein the power source 30 is connected to the control board 121 through a terminal connection wire for supplying power to the long blade driving motor 21 and the circular blade driving motor 23, and the power source 30 is a rechargeable power source 30, and the connection interface 122 is connected to an external power source 30 for charging the power source 30. The shaver 1 is thus more convenient to use and carry.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A waterproof structure, characterized by comprising:

2. The waterproof structure of claim 1, wherein the mounting base is provided with a glue injection port communicated with the sealant groove, and the glue injection port exposes the connection interface portion.

3. The waterproof structure of claim 2, wherein a positioning protrusion is formed on a wall surface of the installation cavity in a protruding manner, a positioning groove is formed on one side of the installation seat facing the positioning protrusion in a recessed manner, the positioning protrusion is embedded in the positioning groove, and the installation seat is detachably connected to the positioning protrusion.

4. The waterproof structure of claim 3, wherein the waterproof structure comprises a connecting piece, the positioning protrusion is provided with a mounting hole, the mounting seat is provided with a first connecting hole, and the connecting piece penetrates through the first connecting hole and the mounting hole.

5. The waterproof structure of claim 3, wherein the control board is provided with a avoiding hole penetrating through an upper board surface and a lower board surface, the positioning protrusion penetrates through the control board, the mounting seat is convexly provided with a propping convex rib, and the propping convex rib is propped against the board surface of the control board so as to press the control board on the cavity wall surface of the mounting cavity.

6. The waterproof structure of claim 4, further comprising a pre-tightening seat, wherein a second connecting hole is formed in one end of the pre-tightening seat, a claw is arranged at the other end of the pre-tightening seat, the claw is clamped on the outer side of the connecting interface, and the connecting piece penetrates through the second connecting hole and the mounting hole.

7. A shaver, comprising a cutter head and a waterproof structure as set forth in any one of claims 1 to 6, the waterproof structure comprising:

8. The razor of claim 7, wherein the cutter head comprises a long blade drive motor, a long blade, a round blade drive motor, a round blade, and a round blade mesh;

9. The razor of claim 8, wherein opposite sides of the mounting base are convexly provided with abutment projections, the abutment projections abutting against the long blade drive motor and the circular blade drive motor.

10. The razor of claim 9, further comprising a power source disposed within the mounting cavity and electrically connected to the control board.