CN216721319U

CN216721319U - Ear-hanging type waterproof mini interphone

Info

Publication number: CN216721319U
Application number: CN202123373983.8U
Authority: CN
Inventors: 陈一萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-10
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses an ear-hung waterproof mini interphone which comprises a shell, an ear-hung part and a control circuit mainboard, wherein the antenna comprises a conductive thimble and an fpc soft antenna, the shell is provided with a strip-shaped shell and a sealing cover plate, the conductive thimble is transversely arranged along the front-back direction, the rear end of the conductive thimble is fixed on the front side surface of the control circuit mainboard, the fpc soft antenna is fixedly attached on the front inner side surface of the strip-shaped shell, the front end of the conductive thimble is electrically connected with the fpc soft antenna, the rear side surface of the strip-shaped shell is concavely provided with a closed-loop groove extending along the circumferential direction of the strip-shaped shell, a sealing gasket is embedded in the closed-loop groove, the sealing gasket is clamped between the sealing cover plate and the strip-shaped shell, and the sealing gasket is in concave-convex fit connection with the strip-shaped shell. Compared with the prior art, the size of the shell of the hanging-ear interphone can be increased without realizing the installation of an antenna, the whole size is small, the structure is simple, the installation is convenient, and the waterproof function of the whole hanging-ear interphone is improved.

Description

Ear-hanging type waterproof mini interphone

Technical Field

The utility model relates to the technical field of interphone products, in particular to an ear-hung waterproof mini interphone.

Background

The interphone is a two-way mobile communication tool, is connected with the interphone hung on the waist by an earphone wire, can perform short-distance communication in the same frequency band, can perform communication without any network support, and is suitable for occasions with relatively fixed and frequent communication, particularly service industries such as restaurants, convention centers, hotels and the like. The traditional interphone is large in size, and needs to be held by a user, when the work is complex, unnecessary troubles can be caused, the use is very inconvenient, so that the traditional interphone is developed towards the portable and small direction, and the ear-hung interphone is produced at the right moment. The existing ear-hung interphone mainly comprises a shell, a control circuit main board connected with the shell, used for hanging a hanging ear part arranged on the ear of a user and assembled with the shell, wherein the shell is provided with a sound generating device at the connecting part of the shell and the hanging ear part, a microphone opening used for receiving external audio information and a data connector used for carrying out data exchange and charging equipment are arranged on the shell, and one side of the shell is also provided with a PPT (power point) transmitting button, a power switch, a volume adding and subtracting button and a channel adjusting button, the sound generating device, the data connector, the PPT transmitting button, the power switch, the volume adding and subtracting button and the channel adjusting button are electrically connected with the control circuit main board, a spring antenna used for carrying out wireless communication on an external terminal is arranged on the control circuit board, and the spring antenna is in a spiral shape.

Compared with the traditional interphone, the ear-hung interphone is light and convenient, but the existing ear-hung interphone adopts the spring antenna which needs to be arranged longer in the whole length in order to meet the signal requirement, therefore, the spring antenna can only be transversely arranged on the main body machine when being arranged, and can only be arranged on the control circuit board, so that the control circuit board needs to be lengthened to place the spring antenna, the shell needs to be correspondingly lengthened, and the whole ear-hung interphone is longer in size.

In view of the above, the present inventors have conducted extensive studies to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ear-hung waterproof mini interphone, which aims to solve the problem that the existing ear-hung interphone antenna occupies a large space of a control circuit main board to cause large volume.

In order to achieve the purpose, the utility model adopts the following technical scheme: an ear-hung waterproof mini interphone comprises a shell, an ear-hanging part and a control circuit main board, wherein the shell is internally provided with an installation space, the control circuit main board is installed in the installation space, the ear-hanging part is installed on the outer side surface of the shell, and an antenna is installed on the control circuit main board; the antenna comprises a conductive thimble and an fpc soft antenna, the shell is provided with a strip-shaped shell with a rear side surface opened to be of a hollow structure and a sealing cover plate covered on the rear side surface of the strip-shaped shell, a control circuit mainboard is vertically installed in the strip-shaped shell, the rear side surface of the sealing cover plate is provided with the lug part, the conductive thimble is horizontally arranged along the front-back direction, the rear end of the conductive thimble is fixed on the front side surface of the control circuit mainboard, the fpc soft antenna is fixedly attached on the front inner side surface of the strip-shaped shell, the front end of the conductive thimble is electrically connected with the fpc soft antenna, the rear side surface of the strip-shaped shell is concavely provided with a closed-loop groove extending along the circumferential direction of the strip-shaped shell, a sealing gasket is embedded in the closed-loop groove, the sealing gasket is clamped between the sealing cover plate and the strip-shaped shell, and the sealing gasket is in concave-convex fit connection with the strip-convex connection with the strip-concave matching.

The conductive thimble is a metal cylindrical rod and is provided with an expanding section and a reducing section at the front end of the expanding section, the rear end part of the expanding section is welded on the front side surface of the control circuit mainboard, and the front end surface of the reducing part is an arc-shaped surface.

The fpc soft antenna is the rectangle piece to along the upper and lower direction extension setting of strip form casing, the upper end of fpc soft antenna is equipped with the through-hole, the front end tip of undergauge portion stretches into in this through-hole and with fpc soft antenna welding together.

The closed loop-shaped groove is communicated with the rear end opening of the strip-shaped shell, the closed loop-shaped groove is provided with an upper groove bottom, a lower groove bottom and two side groove bottoms, the upper groove bottom and the lower groove bottom are arranged in a left-right extending mode, the two side groove bottoms are arranged in an up-down extending mode, the upper groove bottom and the lower groove bottom are located at the rear of the side groove bottom, and the side groove bottom and the upper groove bottom and the lower groove bottom are in arc transition.

The upper tank bottom, the lower tank bottom and the tank bottoms on the two sides are all provided with positioning blind holes which are concave forwards, the sealing washer is convexly provided with positioning columns corresponding to the positioning holes, and the positioning columns are embedded in the positioning blind holes.

The lower bottom surface of the strip-shaped shell is concavely provided with a closed-loop concave cavity, a charging window communicated with the hollow cavity of the strip-shaped shell is arranged at the bottom of the closed-loop concave cavity, a communicating port communicated with the closed-loop concave groove is formed in the cavity wall of the closed-loop concave cavity, a sealing block is embedded in the closed-loop concave cavity, a connecting arm embedded in the communicating port is connected between the sealing washer and the sealing block, and the sealing washer, the sealing block and the connecting arm are integrally formed.

By adopting the novel ear-hung waterproof mini interphone, the conductive thimble is positioned in the space in the thickness direction of the shell, only the space of the shell is occupied, and the space of the shell is not required to be separately added, so that the shell of the interphone is not required to be enlarged, the size of the shell of the interphone is smaller, the structure is simple, the installation is convenient, and the problem that the shell of the existing interphone is required to be correspondingly lengthened for installing an antenna, and the size of the whole ear-hung interphone is required to be designed to be longer as a whole is solved; in addition, the embedded seal ring that is equipped with of closed loop shape recess, seal ring and the structure that the unsmooth cooperation of strip casing is connected have increased seal ring's installation fastness, and seal ring and the waterproof function promotion that the strip casing contact surface increases messenger whole ear-hanging intercom, avoid traditional housing seal to adopt O shape circle and cause the problem that the leakproofness is poor and difficult installation.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a strip housing of the present invention;

fig. 3 is a schematic view of the combination of the strip-shaped housing and the sealing gasket according to the present invention.

FIG. 4 is a perspective view of the present invention with the housing omitted;

Detailed Description

In order to further explain the technical scheme of the utility model, the following detailed description is combined with the accompanying drawings.

The utility model discloses an ear-hung waterproof mini interphone, which comprises a shell 1, an ear hanging part 2 and a control circuit main board 3, wherein the shell 1 is internally provided with an installation space, the control circuit main board 3 is arranged in the installation space, the ear hanging part 2 is arranged on the outer side surface of the shell 1, and an antenna is arranged on the control circuit main board 3; preferably, the casing 1 has a strip casing 11 with an open hollow rear side and a sealing cover plate 12 covering the strip casing rear side, the strip casing 11 extends along the vertical direction in the length direction, the control circuit board 3 is vertically installed in the strip casing 11, the sealing cover plate 12 is provided with the above-mentioned lug portion 3 on the rear side, the strip casing 11 is further provided with a PPT transmitting button, a power switch and an adjusting button, the strip casing 11 is provided with a battery, and the battery is located behind the control circuit board 3.

The antenna comprises a conductive thimble 41 and an fpc soft antenna 42, the conductive thimble 41 is horizontally arranged along the front-back direction, the rear end of the conductive thimble 41 is fixed on the front side surface of the control circuit main board 3, the fpc soft antenna 42 is fixedly attached to the front inner side surface of the strip-shaped shell 11, the front end of the conductive thimble 41 is electrically connected with the fpc soft antenna 42, the conductive thimble 41 is a metal cylindrical rod, the conductive thimble 41 is provided with an expanding section 411 and a reducing section 412 positioned at the front end of the expanding section, the rear end part of the expanding section 411 is welded on the front side surface of the control circuit main board 3, and the front end surface of the reducing section 412 is an arc-shaped surface. fpc the flexible antenna 42 is a rectangular plate and extends along the vertical direction of the strip-shaped housing 11, the upper end of the fpc flexible antenna 42 is provided with a through hole (not shown), and the front end of the reduced diameter part 412 extends into the through hole and is welded with the fpc flexible antenna 42.

The rear side surface of the strip-shaped shell 11 is concavely provided with a closed-loop groove 5 extending along the circumferential direction of the strip-shaped shell 11, a sealing gasket 6 is embedded in the closed-loop groove 5, the sealing gasket 6 is clamped between the sealing cover plate 12 and the strip-shaped shell 11, and the sealing gasket 6 is in concave-convex matching connection with the strip-shaped shell 11.

The closed annular groove 5 is communicated with the rear-end opening of the strip-shaped shell 11, the closed annular groove 5 is provided with an upper groove bottom 51, a lower groove bottom 52 and two side groove bottoms 53, the upper groove bottom 51 and the lower groove bottom 52 extend in the left-right direction, the two side groove bottoms 53 extend in the up-down direction, the upper groove bottom 51 and the lower groove bottom 52 are both positioned behind the side groove bottoms 53, and the side groove bottoms 53 are in arc transition with the upper groove bottom 51 and the lower groove bottoms 52. The upper groove bottom 51, the lower groove bottom 52 and the groove bottoms 53 at the two sides are all provided with positioning blind holes 100 which are concave forwards, the sealing washer 6 is convexly provided with positioning columns 61 corresponding to the positioning blind holes 100, and the positioning columns 61 are embedded in the positioning blind holes 100.

Adopt this novel waterproof mini intercom of ear-hang, with fpc soft antenna welding on electrically conductive thimble, fpc soft antenna pastes admittedly on the casing, electrically conductive thimble volume itself is less, need not to add the position that other positions supplied antenna installation on the control circuit mainboard, the space on the control circuit mainboard has been saved, fpc soft antenna also need not to add other positions and installs, thereby make the less that whole intercom casing can set up, moreover, the steam generator is simple in structure, high durability and convenient installation, the casing of having solved current intercom need corresponding extension to supply the antenna installation, make the whole longer problem that needs the design of the whole volume of hanging ear intercom. In addition, the positioning blind hole 100 and the positioning column 61 are installed in a concave-convex matching mode, so that the sealing washer is installed better, the sealing washer is not easy to shift, and the sealing effect is improved.

In the present invention, it is preferable that the lower bottom surface of the strip-shaped casing 11 is concavely provided with a closed-loop cavity 7, a charging window 71 communicated with the hollow cavity of the strip-shaped casing 11 is arranged on the cavity bottom of the closed-loop cavity 7, the charging window 71 is a USB charging window, a communication port 72 communicated with the closed-loop groove 5 is arranged on the cavity wall of the closed-loop cavity 7, a sealing block 61 is embedded in the closed-loop cavity 7, a connecting arm 62 embedded in the communication port is connected between the sealing washer 6 and the sealing block 61, and the sealing washer 6, the sealing block 61 and the connecting arm 62 are integrally formed; the sealed piece of current USB interface is independently installed on the casing more, and the USB interface needs often to be opened sealed piece and charges, and independent setting then leads to sealed piece to drop easily, and integrated into one piece's design makes sealed piece be difficult to drop, has increased the life of sealed piece.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. An ear-hung waterproof mini interphone comprises a shell, an ear-hanging part and a control circuit main board, wherein the shell is internally provided with a mounting space, the control circuit main board is arranged in the mounting space, the ear-hanging part is arranged on the outer side surface of the shell, and an antenna is arranged on the control circuit main board; the method is characterized in that: the antenna comprises a conductive thimble and an fpc soft antenna, the shell is provided with a strip-shaped shell with a rear side surface opened to be of a hollow structure and a sealing cover plate covered on the rear side surface of the strip-shaped shell, a control circuit mainboard is vertically installed in the strip-shaped shell, the rear side surface of the sealing cover plate is provided with the lug part, the conductive thimble is horizontally arranged along the front-back direction, the rear end of the conductive thimble is fixed on the front side surface of the control circuit mainboard, the fpc soft antenna is fixedly attached on the front inner side surface of the strip-shaped shell, the front end of the conductive thimble is electrically connected with the fpc soft antenna, the rear side surface of the strip-shaped shell is concavely provided with a closed-loop groove extending along the circumferential direction of the strip-shaped shell, a sealing gasket is embedded in the closed-loop groove, the sealing gasket is clamped between the sealing cover plate and the strip-shaped shell, and the sealing gasket is in concave-convex fit connection with the strip-convex connection with the strip-concave matching.

2. The ear-hung waterproof mini interphone of claim 1, characterized in that: the conductive thimble is a metal cylindrical rod and is provided with an expanding section and a reducing section at the front end of the expanding section, the rear end part of the expanding section is welded on the front side surface of the control circuit mainboard, and the front end surface of the reducing section is an arc-shaped surface.

3. The ear-hung waterproof mini interphone of claim 2, characterized in that: the fpc soft antenna is the rectangle piece to along the upper and lower direction extension setting of strip form casing, the upper end of fpc soft antenna is equipped with the through-hole, the front end tip of reducing section stretches into in this through-hole and with fpc soft antenna welding together.

4. The ear-hung waterproof mini interphone of claim 1, characterized in that: the closed loop-shaped groove is communicated with the rear end opening of the strip-shaped shell, the closed loop-shaped groove is provided with an upper groove bottom, a lower groove bottom and two side groove bottoms, the upper groove bottom and the lower groove bottom are arranged in a left-right extending mode, the two side groove bottoms are arranged in an up-down extending mode, the upper groove bottom and the lower groove bottom are located at the rear of the side groove bottom, and the side groove bottom and the upper groove bottom and the lower groove bottom are in arc transition.

5. The ear-hung waterproof mini interphone of claim 4, characterized in that: the upper tank bottom, the lower tank bottom and the tank bottoms on the two sides are all provided with positioning blind holes which are concave forwards, the sealing washer is convexly provided with positioning columns corresponding to the positioning holes, and the positioning columns are embedded in the positioning blind holes.

6. The ear-hung waterproof mini interphone of claim 4, characterized in that: the lower bottom surface of the strip-shaped shell is concavely provided with a closed-loop concave cavity, a charging window communicated with the hollow cavity of the strip-shaped shell is arranged at the cavity bottom of the closed-loop concave cavity, a communicating port communicated with the closed-loop groove is formed in the cavity wall of the closed-loop concave cavity, a sealing block is embedded in the closed-loop concave cavity, a connecting arm embedded in the communicating port is connected between the sealing washer and the sealing block, and the sealing washer, the sealing block and the connecting arm are integrally formed.