CN215187242U

CN215187242U - Background music and fire control broadcasting sharing device

Info

Publication number: CN215187242U
Application number: CN202121562117.0U
Authority: CN
Inventors: 刘建辉
Original assignee: Hainan Jiansheng Technology Co ltd
Current assignee: Islander Technology Group (Hainan) Co.,Ltd.
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-14
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a background music and fire-fighting broadcasting sharing device, which comprises a protection mechanism and an angle adjusting mechanism arranged at the rear end of the protection mechanism, and also comprises a closing mechanism arranged in the protection mechanism, wherein the protection mechanism comprises a protection cover and a rear plate fixedly connected at the rear end of the protection cover, the closing mechanism comprises a first plate fixedly connected on the inner wall of the front end of the protection cover, the first plate is provided with four groups, when smoke enters the broadcasting, the inner four-corner sleeve on a double-head motor is inserted into a first square rod by extending out of a telescopic cylinder, the double-head motor is electrified to drive a straight-tooth gear to rotate, and simultaneously, a gear ring is meshed to rotate, when the gear ring rotates, the fourth plate is driven to rotate around a rotating shaft by a connecting rod, so that the four groups of the first plate, the second plate, the third plate, the fourth plate and the fifth plate are unfolded to prevent smoke from entering, and the function of preventing rain from drifting is realized.

Description

Background music and fire control broadcasting sharing device

Technical Field

The utility model relates to a broadcasting technology field specifically is a background music and fire control broadcasting sharing device.

Background

Broadcasting refers to a news broadcasting tool that transmits sounds through radio waves or wires, so-called radio broadcasting, which transmits programs through radio waves, and so-called cable broadcasting, which transmits programs through wires, and is born in the 20 th century and the 20 th decade.

Present on the market background music and fire control broadcasting sharing device exist, can broadcast music and fire alarm, the broadcast sounds when the conflagration takes place, and background music closes, but when the smog that the conflagration produced stretchs to the broadcast, the loudspeaker that smog got into in the broadcast lead to the condition emergence of loudspeaker distortion, influence follow-up broadcast music to traditional broadcast is in the installation completion back angle inconvenient carry out remote regulation.

In order to solve the problems, the background music and fire-fighting broadcast sharing device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a background music and fire control broadcasting sharing device adopts this device to work to solved in the above-mentioned background when the smog that the conflagration produced stretchs to the broadcasting, smog gets into the condition that loudspeaker distortion in the broadcasting takes place, influences follow-up broadcast music, and the inconvenient problem of carrying out the remote regulation of relief angle degree is accomplished in the installation to traditional broadcasting.

In order to achieve the above object, the utility model provides a following technical scheme: a background music and fire-fighting broadcasting sharing device comprises a protection mechanism, an angle adjusting mechanism and a closing mechanism, wherein the angle adjusting mechanism is arranged at the rear end of the protection mechanism, the closing mechanism is arranged in the protection mechanism, the protection mechanism comprises a protection cover and a rear plate fixedly connected to the rear end of the protection cover, the closing mechanism comprises first plates fixedly connected to the inner wall of the front end of the protection cover, and the first plates are provided with four groups;

the first plate is connected with a second plate through a rotating shaft in a rotating mode, the other side of the second plate is connected with a third plate through a rotating shaft in a rotating mode, the other side of the third plate is connected with a fourth plate through a rotating shaft in a rotating mode, the other side of the fourth plate is connected with a fifth plate through a rotating shaft in a rotating mode, sliding rods are fixedly connected to the inner sides of the first plate, the second plate, the third plate and the fourth plate, and sliding grooves corresponding to the sliding rods are formed in the second plate, the third plate, the fourth plate and the fifth plate.

Further, the closing mechanism further comprises a gear ring, and the gear ring is fixedly connected with the fifth plate through a connecting rod.

Further, protection machanism is still including the activity double-end motor and the loudspeaker main part of fixed connection at the rear panel front end that set up on the protection casing inner wall, and telescopic cylinder fixed connection is passed through in the bottom of double-end motor to the front end of rear panel, the inboard fixedly connected with control module of rear panel, and control module and loudspeaker main part electric connection.

Further, the top fixedly connected with backup pad of loudspeaker main part, the centre of backup pad is rotated and is connected with first square pole, the one end fixedly connected with straight-tooth gear of first square pole, and straight-tooth gear is connected with the inner wall meshing of ring gear.

Further, four corner sleeve in the both ends equal fixedly connected with of double-end motor.

Further, angle adjustment mechanism includes the mounting panel to and the fixed block of fixed connection at the backplate rear end, the top fixedly connected with dwang of mounting panel, and the dwang rotates with the fixed block to be connected, the top fixedly connected with face gear of dwang.

Further, angle adjustment mechanism still includes the second square pole of being connected with the rearmounted board rotation, and the outside fixedly connected with umbelliform gear of second square pole, and the meshing of umbelliform gear and face gear's bottom is connected.

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

1. the utility model provides a pair of background music and fire control broadcasting sharing device, when smog enters into broadcasting inside, stretch out through telescopic cylinder, make the interior four corners sleeve on the double-end motor inject in first square pole, the double-end motor circular telegram drives straight-tooth gear and rotates, mesh ring gear simultaneously rotates, it rotates around the axis of rotation to drive fourth panel through the connecting rod when the ring gear rotates, make the first panel of four groups, the second panel, the third panel, expand between fourth panel and the fifth panel, prevent that smog from getting into, and can realize preventing the function of drifting rain.

2. The utility model provides a pair of background music and fire control broadcasting sharing device, when needs carry out angle modulation to the broadcasting, the flexible cylinder withdrawal of drive, make the interior four corners sleeve on the double-end motor inject on the square pole of second, then put through double-end motor, double-end motor drives the ring gear in the pivoted and rotates in terminal gear's bottom, because terminal gear passes through dwang and mounting panel fixed connection, so double-end motor can drive the protection casing and rotate around the dwang, and realized the remote regulation of angle through control module, control module can realize the switching between background music and the alarm simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the internal structure of the protective cover of the present invention;

fig. 3 is a schematic structural view of the closing mechanism of the present invention;

fig. 4 is a schematic structural view of the angle adjusting mechanism of the present invention.

In the figure: 1. a protection mechanism; 11. a protective cover; 12. a rear panel; 121. a telescopic cylinder; 13. a double-headed motor; 131. an inner four-corner sleeve; 14. a horn main body; 141. a support plate; 142. a first square bar; 143. a straight-tooth gear; 15. a control module; 2. an angle adjusting mechanism; 21. mounting a plate; 22. a fixed block; 23. a face gear; 24. rotating the rod; 25. an umbrella gear; 251. a second square bar; 3. a closing mechanism; 31. a first sheet material; 311. a second sheet material; 312. a third sheet material; 313. a fourth sheet material; 314. a fifth sheet material; 32. a slide bar; 33. a chute; 34. a rotating shaft; 35. a ring gear; 351. a connecting rod.

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. 1-3, a background music and fire-fighting broadcasting sharing device includes a protection mechanism 1, an angle adjusting mechanism 2 disposed at the rear end of the protection mechanism 1, and a closing mechanism 3 disposed in the protection mechanism 1, wherein the protection mechanism 1 includes a protection cover 11, and a rear plate 12 fixedly connected to the rear end of the protection cover 11, the closing mechanism 3 includes a first plate 31 fixedly connected to the inner wall of the front end of the protection cover 11, the first plate 31 is rotatably connected to a second plate 311 through a rotating shaft 34, the other side of the second plate 311 is rotatably connected to a third plate 312 through the rotating shaft 34, the other side of the third plate 312 is rotatably connected to a fourth plate 313 through the rotating shaft 34, the other side of the fourth plate 313 is rotatably connected to a fifth plate 314 through the rotating shaft 34, and the inner sides of the first plate 31, the second plate 311, the third plate 312 and the fourth plate 313 are fixedly connected to a slide rod 32, the second plate 311, the third plate 312, the fourth plate 313 and the fifth plate 314 are all provided with a sliding groove 33 corresponding to the sliding rod 32, and the first plate 31, the second plate 311, the third plate 312, the fourth plate 313 and the fifth plate 314 are all provided with four groups.

Referring to fig. 2, the closing mechanism 3 further includes a gear ring 35, the gear ring 35 is fixedly connected to the fifth plate 314 through a connecting rod 351, the protection mechanism 1 further includes a double-headed motor 13 movably disposed on the inner wall of the protection cover 11 and a horn main body 14 fixedly connected to the front end of the rear plate 12, the front end of the rear plate 12 is fixedly connected to the bottom of the double-headed motor 13 through a telescopic cylinder 121, the inner side of the rear plate 12 is fixedly connected to a control module 15, the control module 15 is electrically connected to the horn main body 14, the top of the horn main body 14 is fixedly connected to a support plate 141, the middle of the support plate 141 is rotatably connected to a first square rod 142, one end of the first square rod 142 is fixedly connected to a spur gear 143, the spur gear 143 is engaged with the inner wall of the gear ring 35, both ends of the double-headed motor 13 are fixedly connected to inner four-corner sleeves 131, the telescopic cylinder 121 extends out to insert the inner four-corner sleeves 131 of the double-headed motor 13 into the first square rod 142, the double-headed motor 13 is electrified to drive the straight-tooth gear 143 to rotate, and simultaneously, the gear ring 35 is meshed to rotate, when the gear ring 35 rotates, the connecting rod 351 drives the fourth plate 313 to rotate around the rotating shaft 34, so that the four groups of the first plate 31, the second plate 311, the third plate 312, the fourth plate 313 and the fifth plate 314 are unfolded.

Referring to fig. 4, the angle adjusting mechanism 2 includes a mounting plate 21, and a fixed block 22 fixedly connected to the rear end of the rear plate 12, the top of the mounting plate 21 is fixedly connected with a rotating rod 24, the rotating rod 24 is rotatably connected to the fixed block 22, the top of the rotating rod 24 is fixedly connected with a face gear 23, the angle adjusting mechanism 2 further includes a second square rod 251 rotatably connected to the rear plate 12, an umbrella gear 25 is fixedly connected to the outer side of the second square rod 251, the umbrella gear 25 is engaged with the bottom of the face gear 23, and drives the telescopic cylinder 121 to retract, so that the inner four-corner sleeve 131 on the dual-head motor 13 is inserted into the second square rod 251, then the dual-head motor 13 is switched on, the dual-head motor 13 drives the gear ring 35 to rotate at the bottom of the face gear 23 when rotating, because the face gear 23 is fixedly connected to the mounting plate 21 through the rotating rod 24, the dual-head motor 13 drives the protective cover 11 to rotate around the rotating rod 24, the remote adjustment of the angle is realized.

The working principle is as follows: when smoke enters the broadcasting, the telescopic cylinder 121 extends out, so that the inner four-corner sleeve 131 on the double-head motor 13 is inserted into the first square rod 142, the double-head motor 13 is electrified to drive the straight-tooth gear 143 to rotate, and simultaneously, the gear ring 35 is meshed to rotate, when the gear ring 35 rotates, the connecting rod 351 drives the fourth plate 313 to rotate around the rotating shaft 34, so that the four groups of the first plate 31, the second plate 311, the third plate 312, the fourth plate 313 and the fifth plate 314 are unfolded to prevent smoke from entering, and the function of preventing rain from drifting can be realized, when the broadcasting needs to be angularly adjusted, the telescopic cylinder 121 is driven to retract, so that the inner four-corner sleeve 131 on the double-head motor 13 is inserted into the second square rod 251, then the double-head motor 13 is switched on, when the double-head motor 13 rotates, the gear ring 35 is driven to rotate at the bottom of the end face gear 23, and the end face gear 23 is fixedly connected with the mounting plate 21 through the rotating rod 24, the double-headed motor 13 will drive the protection cover 11 to rotate around the rotating rod 24, and the remote adjustment of the angle is realized through the control module 15, and meanwhile, the control module 15 can realize the switching between the background music and the alarm.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 background music and fire control broadcasting sharing device, includes protection machanism (1) and sets up angle adjustment mechanism (2) in protection machanism (1) rear end, still including setting up closing mechanism (3) in protection machanism (1), its characterized in that: the protective mechanism (1) comprises a protective cover (11) and a rear plate (12) fixedly connected to the rear end of the protective cover (11), the closing mechanism (3) comprises first plates (31) fixedly connected to the inner wall of the front end of the protective cover (11), and four groups of the first plates (31) are arranged;

the novel wood floor is characterized in that the first plate (31) is rotatably connected with a second plate (311) through a rotating shaft (34), the other side of the second plate (311) is rotatably connected with a third plate (312) through the rotating shaft (34), the other side of the third plate (312) is rotatably connected with a fourth plate (313) through the rotating shaft (34), the other side of the fourth plate (313) is rotatably connected with a fifth plate (314) through the rotating shaft (34), slide bars (32) are fixedly connected to the inner sides of the first plate (31), the second plate (311), the third plate (312), the fourth plate (313) and the fifth plate (314), and sliding grooves (33) corresponding to the slide bars (32) are formed in the second plate (311), the third plate (312), the fourth plate (313) and the fifth plate (314).

2. A background music and fire fighting broadcast sharing device according to claim 1, wherein: the closing mechanism (3) further comprises a gear ring (35), and the gear ring (35) is fixedly connected with the fifth plate (314) through a connecting rod (351).

3. A background music and fire fighting broadcast sharing device according to claim 1, wherein: protection machanism (1) is still including activity double-end motor (13) and fixed connection loudspeaker main part (14) at rear panel (12) front end that set up on protection casing (11) inner wall, and the front end of rear panel (12) is through telescopic cylinder (121) fixed connection in the bottom of double-end motor (13), inboard fixedly connected with control module (15) of rear panel (12), and control module (15) and loudspeaker main part (14) electric connection.

4. A background music and fire fighting broadcast sharing device according to claim 3, wherein: the top fixedly connected with backup pad (141) of loudspeaker main part (14), the centre of backup pad (141) rotates and is connected with first square pole (142), the one end fixedly connected with straight-tooth gear (143) of first square pole (142), and straight-tooth gear (143) and the inner wall meshing of ring gear (35) are connected.

5. A background music and fire fighting broadcast sharing device according to claim 3, wherein: and two ends of the double-head motor (13) are fixedly connected with an inner four-corner sleeve (131).

6. A background music and fire fighting broadcast sharing device according to claim 1, wherein: angle adjustment mechanism (2) are including mounting panel (21) to and fixed block (22) of fixed connection at backplate (12) rear end, the top fixedly connected with dwang (24) of mounting panel (21), and dwang (24) rotate with fixed block (22) to be connected, the top fixedly connected with face gear (23) of dwang (24).

7. A background music and fire fighting broadcast sharing device according to claim 1, wherein: the angle adjusting mechanism (2) further comprises a second square rod (251) rotatably connected with the rear plate (12), an umbrella-shaped gear (25) is fixedly connected to the outer side of the second square rod (251), and the umbrella-shaped gear (25) is meshed with the bottom of the face gear (23).