CN210780754U

CN210780754U - Intercommunication device for railway broadcast

Info

Publication number: CN210780754U
Application number: CN201921902756.XU
Authority: CN
Inventors: 闫理强
Original assignee: Tianjin Harrist Technology Co ltd
Current assignee: Tianjin Harrist Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-16
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a railway broadcasting's intercom device, including the backshell, backshell upper end fixed mounting has the protecgulum, the backshell left end is provided with signal antenna, volume knob and switch knob, and the volume knob is located between signal antenna and the switch knob, backshell right-hand member middle part is provided with the interface that charges, backshell front end left part is provided with the PTT button, backshell front end middle part is provided with earphone socket, the first louvre of inside and outside break-over is seted up at backshell lower extreme middle part, protecgulum upper end left part is provided with out the sound hole, protecgulum upper end right part is provided with anti-skidding line, form the installation cavity between backshell and the protecgulum, be provided with the buffering subassembly in the installation cavity and fall the speaker of making. A railway broadcast's intercom device, through being provided with speaker, coil spring and the buffer unit of making an uproar of falling, can improve intercom device's life to can the noise reduction, let the user have better experience.

Description

Intercommunication device for railway broadcast

Technical Field

The utility model relates to an intercom field, in particular to intercom device of railway broadcasting.

Background

With the development of science and technology and the improvement of society, the development of interphone products in the electronic communication industry is rapid, an interphone is a two-way mobile communication tool, the interphone can be used for communication without any network support, no call charge is generated, and the interphone is suitable for occasions with fixed and frequent communication, particularly on trains, as more iron falls and passes through the field, the signal is poor, and crews need to be equipped with the interphone to keep good communication efficiency; however, most of the existing intercom devices have many problems, and in a noisy environment of a train carriage, if the sound of the interphone is not clear enough, a crew member receives accurate information transmitted by the other party very easily, and in a multi-person environment, the interphone drops easily, so that the interphone is broken, and therefore the novel railway broadcasting intercom device is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an intercom device for railway broadcasting, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a railway broadcasting's intercom device, includes the backshell, backshell upper end fixed mounting has the protecgulum, the backshell left end is provided with signal antenna, volume knob and switch knob, and the volume knob is located between signal antenna and the switch knob, backshell right-hand member middle part is provided with the interface that charges, backshell front end left part is provided with the PTT button, backshell front end middle part is provided with earphone socket, the first louvre of inside and outside break-over is seted up at backshell lower extreme middle part, protecgulum upper end left part is provided with out the sound hole, protecgulum upper end right part is provided with anti-skidding line, form the installation cavity between backshell and the protecgulum, be provided with the buffering subassembly in the installation cavity and.

Preferably, installation cavity inner chamber bottom is provided with the mounting panel, the equal fixed mounting in mounting panel lower extreme four corners has coil spring, coil spring keeps away from the one end of mounting panel all with backshell inner chamber diapire fixed connection, the mounting panel middle part is provided with the second louvre of break-over from top to bottom, the lower screw of break-over from top to bottom is seted up at the mounting panel middle part, the mounting panel upper end is provided with integrated mainboard, the last screw of break-over from top to bottom is seted up at integrated mainboard middle part, the buffering subassembly is provided with four groups and respectively fixed mounting in integrated mainboard upper end four corners, the speaker fixed mounting that makes an uproar falls in integrated mainboard.

Preferably, the upper screw holes are provided with four groups and are respectively located at the left part and the right part of the integrated mainboard, the lower screw holes are located under the upper screw holes, and long screw rods are connected with the integrated mainboard and the mounting plate through common penetrating threads in the upper screw holes and the lower screw holes and are fixedly connected together.

Preferably, the main structure of the noise reduction loudspeaker is provided with a silica gel pad and a loudspeaker body, the silica gel pad is of an annular structure and is fixedly installed at the lower end of the loudspeaker body, the upper end of the loudspeaker body is provided with a noise reduction magnet, the upper end of the noise reduction magnet is fixedly provided with a shockproof voice coil, and the upper end of the shockproof voice coil is fixedly provided with a voltage division gasket.

Preferably, the main structure of the buffer assembly is provided with an upper mounting block, a vertical rod and a lower mounting block, the upper end of the vertical rod is fixedly connected to the middle part of the lower end of the upper mounting block, the upper mounting block and the lower mounting block are fixedly connected with a first buffer spring together, a cavity is formed in the middle part of the lower mounting block, the vertical rod is located inside the first buffer spring, the lower end of the vertical rod penetrates through the upper wall of the lower mounting block to extend into the cavity, a baffle is fixedly mounted in the cavity, and a second buffer spring is fixedly connected between the lower end of the baffle and the bottom wall of the cavity together.

Preferably, the upper end of the buffer assembly is fixedly connected with the lower end of the front cover, and the front cover is connected with the rear shell in a bolt connection mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through at speaker body lower extreme fixed mounting there is annular silica gel pad, has at speaker body upper end fixed mounting to fall the magnet of making an uproar and the voice coil loudspeaker voice coil that takes precautions against earthquakes, can reduce the noise that speaker body spreads in the degree of hating, when the train crew member is in comparatively noisy environment, can guarantee that the crew member accurately receives information.

2. Through being provided with coil spring and buffer assembly, when the more crowded intercom that leads to of taking place of passenger drops subaerial time, coil spring and buffer assembly can be fine filter the vibrations impact force to fine protection intercom prevents that its inside part from damaging.

Drawings

Fig. 1 is a schematic view of the overall structure of an intercom device for railway broadcasting of the present invention;

fig. 2 is a schematic view of the internal structure of an intercom device for railway broadcasting of the present invention;

fig. 3 is a schematic view of the overall structure of the noise reduction speaker of the intercom device of the railway broadcast of the present invention;

fig. 4 is a schematic structural diagram of a buffering assembly for railway broadcasting according to the present invention.

In the figure: 1. a rear housing; 2. a front cover; 3. a signal antenna; 4. a volume knob; 5. a switch knob; 6. a PTT key; 7. a sound outlet hole; 8. an earphone jack; 9. a charging interface; 10. anti-skid lines; 11. a mounting cavity; 12. a first heat dissipation hole; 13. mounting a plate; 14. integrating the mainboard; 15. a coil spring; 16. an upper screw hole; 17. a lower screw hole; 18. a second heat dissipation hole; 19. a buffer assembly; 20. a noise reduction speaker; 21. a speaker body; 22. a silica gel pad; 23. a noise reducing magnet; 24. a vibration-proof voice coil; 25. a pressure-dividing gasket; 26. an upper mounting block; 27. a lower mounting block; 28. a cavity; 29. a second buffer spring; 30. a baffle plate; 31. a first buffer spring; 32. a vertical rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an intercom device for railway broadcasting comprises a rear shell 1, a front cover 2 is fixedly mounted at the upper end of the rear shell 1, a signal antenna 3, a volume knob 4 and a switch knob 5 are arranged at the left end of the rear shell 1, the volume knob 4 is located between the signal antenna 3 and the switch knob 5, a charging interface 9 is arranged in the middle of the right end of the rear shell 1, a PTT button 6 is arranged at the left end of the front end of the rear shell 1, an earphone socket 8 is arranged in the middle of the front end of the rear shell 1, a first heat dissipation hole 12 penetrating inside and outside is formed in the middle of the lower end of the rear shell 1, a sound outlet 7 is arranged at the left end of the upper end of the front cover 2, anti-skid grains 10 are arranged at the right end of the front cover 2, a mounting cavity 11 is formed between the rear shell.

The bottom of the inner cavity of the mounting cavity 11 is provided with a mounting plate 13, four corners of the lower end of the mounting plate 13 are fixedly provided with spiral springs 15, a part of impact force can be filtered when collision occurs, one ends of the spiral springs 15 far away from the mounting plate 13 are fixedly connected with the bottom wall of the inner cavity of the rear shell 1, the middle of the mounting plate 13 is provided with second heat dissipation holes 18 which are vertically penetrated, the middle of the mounting plate 13 is provided with lower screw holes 17 which are vertically penetrated, the upper end of the mounting plate 13 is provided with an integrated main plate 14, the middle of the integrated main plate 14 is provided with upper screw holes 16 which are vertically penetrated, four groups of buffering assemblies 19 are arranged and are respectively and fixedly arranged at four corners of the upper end; the upper screw holes 16 are provided with four groups and are respectively positioned at the left part and the right part of the integrated mainboard 14, the lower screw holes 17 are all positioned under the upper screw holes 16, the long screw rods are connected in the upper screw holes 16 and the lower screw holes 17 through common penetrating threads to fixedly connect the integrated mainboard 14 with the mounting plate 13, so that the integrated mainboard 14 and the mounting plate 13 can be fixedly connected together, and the firmness of the integrated mainboard 14 and the mounting plate 13 is improved; the main structure of the noise reduction loudspeaker 20 comprises a silica gel pad 22 and a loudspeaker body 21, wherein the silica gel pad 22 is of an annular structure and is fixedly installed at the lower end of the loudspeaker body 21, a noise reduction magnet 23 is arranged at the upper end of the loudspeaker body 21, a shockproof voice coil 24 is fixedly installed at the upper end of the noise reduction magnet 23, and a voltage division gasket 25 is fixedly installed at the upper end of the shockproof voice coil 24, so that noise generated by the loudspeaker body 21 can be greatly reduced, and accurate information can be received by a crew member in a noisy environment; the main structure of the buffer assembly 19 is provided with an upper mounting block 26, a vertical rod 32 and a lower mounting block 27, the upper end of the vertical rod 32 is fixedly connected to the middle part of the lower end of the upper mounting block 26, a first buffer spring 31 is fixedly connected between the upper mounting block 26 and the lower mounting block 27 together, a cavity 28 is arranged in the middle part of the lower mounting block 27, the vertical rod 32 is positioned in the first buffer spring 31, the lower end of the vertical rod 32 penetrates through the top wall of the lower mounting block 27 to extend into the cavity 28 and is fixedly provided with a baffle 30, a second buffer spring 29 is fixedly connected between the lower end of the baffle 30 and the bottom wall of the cavity 28 together, and the electronic element at the upper end of the integrated mainboard 14 can be further protected when; the upper end of the buffering component 19 is fixedly connected with the lower end of the front cover 2, and the front cover 2 is connected with the rear shell 1 through bolts.

It should be noted that the utility model relates to an intercom device for railway broadcasting, which can prevent the crew from slipping off when holding the intercom device by the anti-slip lines 10, the four corners of the lower end of the mounting plate 13 are all fixedly provided with the coil springs 15, which can filter a part of impact force when bumping, and protect the intercom device, the noise generated by the loudspeaker body 21 can be greatly reduced by the cooperation of the silica gel pad 22, the noise reduction magnet 23, the shockproof voice coil 24 and the pressure division gasket 25, so as to ensure that the crew can receive accurate information in noisy environment, the first buffer spring 31 is fixedly connected between the upper mounting block 26 and the lower mounting block 27, the second buffer spring 29 is fixedly connected between the lower end of the baffle 30 and the bottom wall of the cavity 28, and can further protect the upper electronic components of the integrated main board 14 when bumping, the utility model relates to a rationally, simple structure can improve intercom's life to can the noise reduction, let the user have better experience.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An intercom device for railway broadcasting, comprising a rear case (1), characterized in that: a front cover (2) is fixedly arranged at the upper end of the rear shell (1), a signal antenna (3), a volume knob (4) and a switch knob (5) are arranged at the left end of the rear shell (1), and the volume knob (4) is positioned between the signal antenna (3) and the switch knob (5), a charging interface (9) is arranged in the middle of the right end of the rear shell (1), a PTT button (6) is arranged at the left part of the front end of the rear shell (1), an earphone jack (8) is arranged in the middle of the front end of the rear shell (1), a first heat dissipation hole (12) which is penetrated through from inside to outside is formed in the middle of the lower end of the rear shell (1), a sound outlet hole (7) is arranged at the left part of the upper end of the front cover (2), anti-skid grains (10) are arranged at the right part of the upper end of the front cover (2), an installation cavity (11) is formed between the rear shell (1) and the front cover (2), and a buffer component (19) and a noise reduction loudspeaker (20) are arranged in the mounting cavity (11).

2. The intercom device of railway broadcast according to claim 1, characterized in that: the bottom of the inner cavity of the mounting cavity (11) is provided with a mounting plate (13), four corners of the lower end of the mounting plate (13) are fixedly provided with spiral springs (15), one end of the spiral spring (15) far away from the mounting plate (13) is fixedly connected with the bottom wall of the inner cavity of the rear shell (1), a second heat dissipation hole (18) which is vertically penetrated is arranged in the middle of the mounting plate (13), the middle part of the mounting plate (13) is provided with a lower screw hole (17) which is penetrated through up and down, an integrated main board (14) is arranged at the upper end of the mounting plate (13), an upper screw hole (16) which is vertically penetrated is formed in the middle of the integrated main board (14), four groups of buffer components (19) are arranged and are respectively and fixedly arranged at four corners of the upper end of the integrated main board (14), the noise reduction loudspeaker (20) is fixedly installed at the left part of the upper end of the integrated main board (14) and electrically connected with the integrated main board (14).

3. The intercom device of railway broadcast according to claim 2, wherein: go up screw (16) and be provided with four groups and be located integrated mainboard (14) left part and right part respectively, screw (17) all are located under last screw (16) down, it has long screw rod through interlude threaded connection jointly in screw (16) and the lower screw (17) with integrated mainboard (14) and mounting panel (13) fixed connection together.

4. The intercom device of railway broadcast according to claim 1, characterized in that: the main structure of the noise reduction loudspeaker (20) is provided with a silica gel pad (22) and a loudspeaker body (21), the silica gel pad (22) is of an annular structure and is fixedly installed at the lower end of the loudspeaker body (21), a noise reduction magnet (23) is arranged at the upper end of the loudspeaker body (21), a shockproof voice coil (24) is fixedly installed at the upper end of the noise reduction magnet (23), and a partial pressure gasket (25) is fixedly installed at the upper end of the shockproof voice coil (24).

5. The intercom device of railway broadcasting of claim 1, wherein; the buffer assembly (19) is mainly structurally provided with an upper mounting block (26), a vertical rod (32) and a lower mounting block (27), the upper end of the vertical rod (32) is fixedly connected to the middle of the lower end of the upper mounting block (26), a first buffer spring (31) is fixedly connected between the upper mounting block (26) and the lower mounting block (27) together, a cavity (28) is arranged in the middle of the lower mounting block (27), the vertical rod (32) is located inside the first buffer spring (31), the lower end of the vertical rod (32) penetrates through the lower top wall of the lower mounting block (27) and extends into the cavity (28), a baffle (30) is fixedly mounted in the cavity (28), and a second buffer spring (29) is fixedly connected between the lower end of the baffle (30) and the bottom wall of the cavity (28) together.

6. The intercom device of railway broadcast according to claim 1, characterized in that: the upper end of the buffer component (19) is fixedly connected with the lower end of the front cover (2), and the front cover (2) is connected with the rear shell (1) in a bolt connection mode.