CN211908785U

CN211908785U - Portable handheld wireless interphone

Info

Publication number: CN211908785U
Application number: CN202020932231.7U
Authority: CN
Inventors: 陈小平
Original assignee: Fujian Quansheng Electronics Co ltd
Current assignee: Fujian Quansheng Electronics Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-10
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a portable handheld wireless interphone, including front shell, backshell, mainboard and display screen, the mainboard passes through bolted connection inside the front shell, the display screen joint is in the recess in the middle of the front shell, the display screen passes through wire and mainboard electric connection, the utility model discloses the basic structure of interphone is constituteed to increased front shell, backshell, mainboard and display screen, pulls out backing plate subassembly cooperation connecting rod from the front shell inside, and the joint of stand-by battery or the precious part that charges is in the middle of backing plate and connecting rod, just connects the charging wire and charges for the interphone, provides reverse pulling force for the connecting rod when the connecting rod is pulled out the front shell inside, conveniently blocks stand-by battery or the precious part that charges; turn over the baffle upwards, in the recess that the baffle meeting joint formed at protruding and connecting rod lateral wall junction in the middle of the shell fragment, maintain the stability of backing plate position, constitute the part that shelters from standby battery from this, prevent that the battery from taking off from in the middle of backing plate and the connecting rod.

Description

Portable handheld wireless interphone

Technical Field

The utility model relates to an intercom technical field specifically is a light handheld wireless intercom.

Background

The interphone is a two-way mobile communication tool, can be used for communication without any network support, has no telephone charge, and is suitable for occasions with relatively fixed and frequent communication. Interphones have three main categories: analog interphone, digital interphone, IP interphone. The range of coverage of the interphone is wide. The radio communication devices operating in the ultra-short wave band are all referred to as walkie-talkies herein, and in practice, according to the relevant national standards, they will be referred to as ultra-short wave fm radio telephones. Small power, small volume handheld wireless telephones, previously known as walkie-talkies and walkie-talkies, are commonly referred to by people as "walkie-talkies"; a radio telephone set which is large in power and volume and can be mounted in a vehicle (a ship) or used fixedly is called a "radio station", such as a vehicle-mounted station (a vehicle-mounted machine), a ship station, a fixed station, a base station, a transfer station, and the like.

Present intercom, if last conversation use, the time of endurance is about six hours, and the electricity that does not have must charge after just can reuse, but at the peak period of work, does not have the intercom chance and brings very big inconvenience for work, uses external treasured that charges to charge when charging, and it is thicker to charge the treasured card intercom rear end, and parts such as treasured that charges increase the burden of holding the intercom, and direct unsettled easy pine takes off.

Therefore, the portable handheld wireless interphone solves the problems in the prior art, the connecting assembly is added, a standby power supply or a charging treasure assembly is conveniently fixed, and the difficulty of holding the interphone and charging the treasure is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light handheld wireless intercom to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable handheld wireless interphone comprises a front shell, a rear shell, a main board and a display screen, wherein the main board is connected inside the front shell through a bolt, the display screen is clamped in a groove in the middle of the front shell, the display screen is electrically connected with the main board through a wire, the rear shell is clamped at the rear end of the front shell, the side wall of the rear shell is connected with the front shell through a bolt, a battery is inserted in a groove in the side wall of the rear shell, the electrode end of the battery is in contact with a battery spring piece of the main board, the end part of the front shell is in threaded connection with an antenna tube, and the antenna tube is sleeved outside a main board antenna;

a connecting rod is inserted into a through hole at the bottom of the front shell, the end part of the connecting rod is connected with a base plate through a bolt, the bottom of the front shell is provided with a groove structure matched with the base plate, the middle of the base plate is provided with a slot, the middle position of the bottom of the front shell is provided with an avoiding slot structure matched with the slot, the interior of the front shell is connected with a spring through a bolt, and the end part of the spring is connected with the connecting rod through a bolt;

the inner side of the base plate is hinged with a baffle, the inner side wall of the connecting rod is connected with an elastic sheet through a bolt, a protruding structure matched with the baffle is arranged in the middle of the elastic sheet, and the end part of the baffle is clamped on the side wall of the connecting rod through the elastic sheet.

Preferably, the front shell side wall is provided with an avoiding hole, the mainboard key is positioned in the avoiding hole, and the mainboard key protrudes out of the front shell surface.

Preferably, the rear end of the rear shell is connected with a back clamp through a bolt, the end part of the back clamp is positioned on the outer side wall of the battery, and anti-skid stripes are arranged on the side edges of the battery.

Preferably, the upper end of the front shell is sleeved with a knob located on the side edge of the antenna tube, and the knob is sleeved at the end part of a main board knob switch.

Preferably, the inner side wall of the front shell is integrally formed with a clamping block located on the side wall of the connecting rod, and the end part of the connecting rod is provided with a groove structure matched with the clamping block.

Preferably, the front end face of the front shell is prefabricated with a sound outlet notch matched with the mainboard loudspeaker, the sound outlet notch is positioned above the display screen, and the front end face of the front shell is provided with a sound inlet hole positioned between the sound outlet notch and the display screen.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the foundation structure of intercom is constituteed to the front shell, backshell, mainboard and the display screen that increase, and prefabricated microphone and speaker subassembly on the mainboard conveniently carry out functions such as the type-in transmission of sound and sound feedback broadcast, and the front shell constitutes the housing part of intercom with the backshell, conveniently installs the subassembly of intercom, and the battery of grafting in the backshell rear end is used for supplying power to the mainboard, makes things convenient for the mainboard to drive the subassembly work of installing on display screen and the mainboard; the connecting rod assembly is additionally arranged at the bottom of the front shell, the base plate is arranged at the end part of the connecting rod, the base plate assembly is matched with the connecting rod and pulled out of the front shell, a standby battery or a charging treasure component is conveniently clamped between the base plate and the connecting rod, the other end of the standby battery or the charging treasure can be clamped in a groove at the end part of the front shell, a charging wire is conveniently connected to charge the interphone, an inserting groove is additionally formed in the middle of the base plate, the charging wire is conveniently inserted, the connecting position of the charging wire and the charging treasure component is protected, a spring arranged in the front shell is used for being matched with the front shell to be connected with the connecting rod, reverse pulling force is provided for the connecting rod when the connecting rod; increase articulated baffle in the backing plate inboard, connecting rod inboard installation shell fragment overturns the baffle upwards, and the baffle can the joint in the recess that the protruding and connecting rod lateral wall junction formed in the middle of the shell fragment, maintains the stability of backing plate position, constitutes the part that shelters from the stand-by battery from this, prevents that the battery from taking off from the middle of backing plate and connecting rod.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the back structure of the present invention;

fig. 4 is a schematic view of the bottom view structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the present invention;

fig. 6 is a schematic structural view of the connecting rod assembly of the present invention.

In the figure: the mobile phone comprises a front shell 1, a rear shell 2, a main board 3, a display screen 4, a battery 5, an antenna tube 6, a connecting rod 7, a backing plate 8, a slot 9, a spring 10, a baffle 11, a spring plate 12, a back clamp 13, a knob 14, a clamping block 15 and a sound outlet notch 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a portable handheld wireless interphone comprises a front shell 1, a rear shell 2, a main board 3 and a display screen 4, wherein the main board 3 is connected inside the front shell 1 through bolts, the display screen 4 is clamped in a groove in the middle of the front shell 1, the display screen 4 is electrically connected with the main board 3 through a wire, the rear shell 2 is clamped at the rear end of the front shell 1, the side wall of the rear shell 2 is connected with the front shell 1 through bolts, a battery 5 is inserted in a groove in the side wall of the rear shell 2, the electrode end of the battery 5 is contacted with a battery spring piece of the main board 3, the end part of the front shell 1 is in threaded connection with an antenna tube 6, the antenna tube 6 is sleeved outside an antenna of the main board 3, the added front shell 1, the rear shell 2, the main board 3 and the display screen 4 form a basic structure of the interphone, a microphone and a loudspeaker assembly are prefabricated on the main board 3, functions of voice input transmission, voice feedback playing and the like are convenient to carry, the components of the interphone are convenient to install, and the battery 5 inserted at the rear end of the rear shell 2 is used for supplying power to the main board 3, so that the main board 3 can drive the display screen 4 and the components installed on the main board 3 to work conveniently;

specification parameters of the interphone, frequency range: UHF band model, UHF: 400 and 480 MHz; FM station WFM: 65-108; area capacity: 64; the number of channels: 1024; the contact person: 1024; modulation mode: FM:11K0F3E (12.5KHz),16K0F3E (25 KHz); 4FSK:7K60FXD (data only) 7K60FXW (data and voice); the multiple access mode comprises the following steps: a double time slot TDMA; frequency stability: 0.5 ppm; size: 117 mmX56.5mmX39mm; weight: 270g (including antenna, battery); a battery: 7.2V; battery capacity: 2600 mAh; antenna impedance: 50 ohms; working temperature: -20 ℃ to 60 ℃;

an emission part: output power: HI:5W, LOW: 1W; emission current: HI is less than or equal to 1.6A, LOW is less than or equal to 0.8A; FM maximum frequency offset: less than or equal to 5KHz (25KHz) and less than or equal to 2.5KHz (12.5KHz)

FM modulation distortion: less than or equal to 5 percent

4FSK modulation frequency offset error: less than or equal to 5 percent

Adjacent channel power: 60dB (12.5KHz)70dB (25KHz)

Emission of stray: less than or equal to-36 dBm (less than 1GHz), less than or equal to-30 dBm (more than 1GHz)

A receiving part:

reception sensitivity: FM: -121dBm (12 dBSSINAD)

4FSK:-121dBm(5％BER)

Residual noise: 40dB

Adjacent channel selectivity: not less than 60dB (12.5KHz) and not less than 70dB (25KHz)

Blocking: not less than 84dB

Intermodulation response suppression: not less than 55dB not less than 65dB

Rated audio power: 0.5W

The main functions of the interphone are as follows: 1. d, digital-analog compatibility; 2. chinese and English menus; 3. voice prompt; 4. an FM radio; 5. a flashlight; 6. emergency alarm; 7. working independently; 8. alarming when falling to the ground; 9. a clock function; 10. a net releasing function; 11. VOX function; 12. 1750 tone transmission; 13. large capacity channels (64 region 1024 channels); 14. pttid (dtmf); 15. a plurality of scanning modes; 16. the key function is selectable; 17. CTCSS, DCS functions; 18. busy locking;

digital mode unique function: 1. recording the long-time call; 2. searching the recording content quickly; 3. receiving and sending short messages; 4. recording the call; 5. single call, group call, full call; 6. encrypting communication; 7. a dual capacity pass-through mode; 8. remotely cheating and activating; 9. and (5) online detection.

A connecting rod 7 is inserted in a through hole at the bottom of the front shell 1, the end part of the connecting rod 7 is connected with a backing plate 8 through a bolt, the bottom of the front shell 1 is provided with a groove structure matched with the backing plate 8, the middle of the backing plate 8 is provided with a slot 9, the middle position of the bottom of the front shell 1 is provided with an avoiding groove structure matched with the slot 9, the inside of the front shell 1 is connected with a spring 10 through a bolt, the end part of the spring 10 is connected with the connecting rod 7 through a bolt, a connecting rod 7 component is added at the bottom of the front shell 1, the backing plate 8 is arranged at the end part of the connecting rod 7, the backing plate 8 component is matched with the connecting rod 7 to be pulled out from the inside of the front shell 1, a standby battery or a charging treasure component is conveniently clamped between the backing plate 8 and the connecting rod 7, the other end of the, the connecting position of the charging wire and the charger baby component is protected, the spring 10 arranged in the front shell 1 is used for being matched with the front shell 1 to be connected with the connecting rod 7, and when the connecting rod 7 is pulled out of the front shell 1, reverse tension is provided for the connecting rod 7, so that a standby battery or the charger baby component is conveniently clamped;

8 inboard hinges of backing plate have baffle 11, there is shell fragment 12 connecting rod 7 inside wall through bolted connection, shell fragment 12 intermediate position seted up with 11 assorted protruding structures of baffle, and the 11 tip of baffle passes through shell fragment 12 joints at 7 lateral walls of connecting rod, increase articulated baffle 11 in 8 inboard sides of backing plate, 7 inboard installation shell fragments 12 of connecting rod, upwards overturn baffle 11, baffle 11 can the joint in the middle of shell fragment 12 in the recess that arch and 7 lateral wall junctions of connecting rod formed, maintain the stability of 8 positions of backing plate, constitute the part that shelters from stand-by battery from this, prevent that the battery from taking off from the middle pine of backing plate 8 and connecting rod 7.

Specifically, 1 lateral wall of preceding shell has been seted up and has been dodged the hole, and 3 buttons of mainboard are located dodge downtheholely, and 1 surface of shell before 3 buttons of mainboard are outstanding, and preceding shell 1 increases and 3 assorted dodge the hole with the mainboard, and easy to assemble mainboard 3 adjusts the intercom running state through the button of mainboard 3.

Specifically, there is back splint 13 at the rear end of backshell 2 through bolted connection, and back splint 13 tip is located the battery 5 lateral wall, and the anti-skidding stripe has been seted up to battery 5 side, and back splint 13 is used for cooperating backshell 2 to fix the intercom on the base plate, perhaps pocket lateral wall.

Specifically, the knob 14 that is located the antenna tube 6 side is cup jointed to preceding shell 1 upper end, and knob 14 cup joints at 3 rotary switch tip on the mainboard, and knob 14 is used for rotating the volume control knob on the mainboard 3, changes the volume that the intercom speaker sent.

Concretely, preceding 1 inside wall integrated into one piece of shell has the fixture block 15 that is located the connecting rod 7 lateral wall, and connecting rod 7 tip is seted up with fixture block 15 assorted groove structure, increases fixture block 15 at 1 tip of preceding shell, and fixture block 15 is used for cooperating preceding shell 1 to carry on spacingly with the connecting rod 7 of groove structure, and when near the connecting rod 7 removed fixture block 15, fixture block 15 can cooperate the inside recess of preceding shell 1 to block connecting rod 7, maintains the stability of connecting rod 7 position.

Specifically, the preceding terminal surface of preceding shell 1 has been prefabricated and has been gone out sound notch 16 with mainboard 3 speaker assorted, goes out sound notch 16 and is located 4 tops of display screen, and preceding 1 preceding terminal surfaces of shell offer and be located the sound inlet between sound notch 16 and the display screen 4, advances the microphone induction sound that sound mouth is used for cooperating mainboard 3 and types, goes out sound notch 16 and is used for cooperating the speaker that mainboard 3 connects and make a sound.

The structure principle is as follows: the added front shell 1, the added rear shell 2, the added main board 3 and the added display screen 4 form a basic structure of the interphone, a microphone and a loudspeaker assembly are prefabricated on the main board 3, functions such as sound inputting and transmission, sound feedback and playing and the like are conveniently carried out, the front shell 1 and the rear shell 2 form a shell component of the interphone, the assembly of the interphone is convenient to install, a battery 5 inserted and connected at the rear end of the rear shell 2 is used for supplying power to the main board 3, and the main board 3 is convenient to drive the display screen 4 and the assembly installed on the main board 3 to work; a connecting rod 7 assembly is additionally arranged at the bottom of the front shell 1, a backing plate 8 is arranged at the end part of the connecting rod 7, the backing plate 8 assembly is matched with the connecting rod 7 to be pulled out from the interior of the front shell 1, a standby battery or a charging treasure component is conveniently clamped between the backing plate 8 and the connecting rod 7, the other end of the standby battery or the charging treasure can be clamped in a groove at the end part of the front shell 1, a charging wire is conveniently connected to charge the interphone, an inserting groove 9 is additionally formed in the middle of the backing plate 8, the charging wire is conveniently inserted, the connecting part of the charging wire and the charging treasure component is protected, a spring 10 arranged in the front shell 1 is used for being matched with the front shell 1 to be connected with the connecting rod 7, when the connecting rod 7 is pulled out of the interior of the front; increase articulated baffle 11 in backing plate 8 inboard, connecting rod 7 inboard installation shell fragment 12 overturns baffle 11 upwards, and baffle 11 can the joint in the recess that the protruding and connecting rod 7 lateral wall junction formed in the middle of shell fragment 12, maintains the stability of backing plate 8 position, constitutes the part that shelters from to stand-by battery from this, prevents that the battery from loosening in the middle of backing plate 8 and connecting rod 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a light handheld wireless intercom, includes preceding shell (1), backshell (2), mainboard (3) and display screen (4), its characterized in that: the main board (3) is connected inside the front shell (1) through a bolt, the display screen (4) is clamped in a middle groove of the front shell (1), the display screen (4) is electrically connected with the main board (3) through a wire, the rear shell (2) is clamped at the rear end of the front shell (1), the side wall of the rear shell (2) is connected with the front shell (1) through a bolt, a battery (5) is inserted in a groove of the side wall of the rear shell (2), an electrode end of the battery (5) is in contact with a battery elastic sheet of the main board (3), an antenna tube (6) is connected to the end part of the front shell (1) in a threaded manner, and the antenna tube (6) is sleeved outside an antenna of the main board (3);

a connecting rod (7) is inserted into a through hole in the bottom of the front shell (1), the end part of the connecting rod (7) is connected with a base plate (8) through a bolt, the bottom of the front shell (1) is provided with a groove structure matched with the base plate (8), the middle of the base plate (8) is provided with a slot (9), the middle position of the bottom of the front shell (1) is provided with an avoiding groove structure matched with the slot (9), the inside of the front shell (1) is connected with a spring (10) through a bolt, and the end part of the spring (10) is connected with the connecting rod (7) through a bolt;

the inner side of the base plate (8) is hinged with a baffle (11), the inner side wall of the connecting rod (7) is connected with an elastic sheet (12) through a bolt, a protruding structure matched with the baffle (11) is arranged in the middle of the elastic sheet (12), and the end part of the baffle (11) is connected to the side wall of the connecting rod (7) in a clamping mode through the elastic sheet (12).

2. A portable handheld wireless intercom as in claim 1 wherein: the front shell (1) side wall is provided with an avoiding hole, the main board (3) key is located in the avoiding hole, and the main board (3) key protrudes out of the surface of the front shell (1).

3. A portable handheld wireless intercom as in claim 1 wherein: the rear shell (2) is connected with a back clamp (13) at the rear end through a bolt, the end part of the back clamp (13) is located on the outer side wall of the battery (5), and anti-skid stripes are arranged on the side edge of the battery (5).

4. A portable handheld wireless intercom as in claim 1 wherein: the upper end of the front shell (1) is sleeved with a knob (14) located on the side edge of the antenna tube (6), and the knob (14) is sleeved on the end portion of a knob switch of the main board (3).

5. A portable handheld wireless intercom as in claim 1 wherein: preceding shell (1) inside wall integrated into one piece has fixture block (15) that are located connecting rod (7) lateral wall, connecting rod (7) tip is seted up with fixture block (15) assorted groove structure.

6. A portable handheld wireless intercom as in claim 1 wherein: the front end face of the front shell (1) is prefabricated with a sound outlet notch (16) matched with the loudspeaker of the main board (3), the sound outlet notch (16) is located above the display screen (4), and the front end face of the front shell (1) is provided with a sound inlet hole located between the sound outlet notch (16) and the display screen (4).