CN216391332U

CN216391332U - Megaphone convenient to installation and dismantlement

Info

Publication number: CN216391332U
Application number: CN202122951324.1U
Authority: CN
Inventors: 李志民; 徐宏宇
Original assignee: Heilongjiang Yufu Technology Co ltd
Current assignee: Heilongjiang Yufu Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-26
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a loudspeaker convenient to mount and dismount, which comprises a loudspeaker main body, a mounting frame and a lifting mechanism, wherein the mounting frame is fixedly connected with a wall through expansion bolts, an angle adjusting mechanism is arranged in the mounting frame and comprises a first connecting plate and a clamping assembly, the right side of the first connecting plate is rotatably connected with a first connecting rod through a rotating part, the other end of the first connecting rod is rotatably connected with a second connecting rod, the right side of the first connecting plate is fixedly connected with a third connecting rod, and the third connecting rod is positioned below the first connecting rod. This megaphone convenient to installation and dismantlement is installing the installing frame back on the wall, fixes the megaphone through the chucking subassembly, and the locking bolt can be so that the installation is more firm, pulls from the megaphone top and can adjust the angle of megaphone in the vertical direction for the megaphone is towards the student in the classroom, has improved the practicality when the device uses.

Description

Megaphone convenient to installation and dismantlement

Technical Field

The utility model relates to the technical field of loudspeaker installation, in particular to a loudspeaker convenient to install and disassemble.

Background

The loudspeaker is an electronic device and mainly used for reducing sound diffusion and amplifying input sound to enable the sound to be transmitted farther, and mainly comprises iron, paper, a magnet and a copper wire.

The utility model provides an install megaphone on classroom wall, general megaphone is through the nailing on the wall to hang the megaphone and establish on the nail, such mounting means leads to the inconvenient adjustment of angle of installation back megaphone, and the higher inconvenient dismantlement of position of installation moreover.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the loudspeaker convenient to mount and dismount, and solves the problems that the angle cannot be adjusted and the loudspeaker is inconvenient to dismount in a mode that the loudspeaker is mounted on a wall.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a megaphone convenient to installation and dismantlement includes megaphone main part, installing frame, elevating system, the installing frame passes through expansion bolts and wall fixed connection, the inside angular adjustment mechanism that is provided with of installing frame, angular adjustment mechanism includes first connecting plate and chucking subassembly, the first connecting plate right side is rotated through rotating and is connected with the head rod, the head rod other end is rotated and is connected with the second connecting rod, first connecting plate right side fixedly connected with third connecting rod, the third connecting rod is located the head rod below, fixedly connected with second connecting plate is all connected through rotating with the second connecting rod other end to the third connecting rod.

Preferably, the chucking subassembly sets up on the second connecting plate right side, the chucking subassembly includes the fixed block, the fixed block is with the positive fixed connection of second connecting plate, logical groove has been seted up to fixed block inside, it has the slide bar to lead to inslot surface sliding connection, the slide bar runs through the one end fixedly connected with stopper to the fixed block back, two upper and lower spouts, two have been seted up to the fixed block inner wall the spout is located the top and the below that lead to the groove respectively.

Preferably, the surface of the through groove inner wall of the sliding rod is fixedly connected with an upper limiting rod and a lower limiting rod, the two limiting rods are respectively matched with the two sliding grooves, the front surface of the through groove inner wall of the sliding rod is fixedly connected with a first spring, and the first spring is sleeved on the surface of the sliding rod.

Preferably, the slide bar runs through to the positive one end threaded connection of fixed block has a locking bolt, locking bolt rotates with second connecting plate right side to be connected, two screens ware about second connecting plate right side fixedly connected with, the screens ware is located the rear of chucking subassembly.

Preferably, two upper and lower spacing grooves have been seted up respectively to the front and the back of megaphone main part, the spacing groove that is located the front of megaphone main part cooperatees with the stopper, the spacing groove that is located the back of megaphone main part cooperatees with the screens ware.

Preferably, the lifting mechanism is arranged inside the mounting frame and comprises a threaded rod, the threaded rod is rotatably connected with the top of the inner wall of the mounting frame, the other end of the threaded rod penetrates through the mounting frame and extends to the lower portion of the mounting frame, one end, located below the mounting frame, of the threaded rod is fixedly connected with a lifting handle, the surface, located inside the mounting frame, of the threaded rod is connected with an upper moving block and a lower moving block in a threaded mode, and the right sides of the first connecting plate and the two moving blocks are fixedly connected.

Advantageous effects

The utility model provides a loudspeaker which is convenient to mount and dismount. Compared with the prior art, the method has the following beneficial effects:

(1) this megaphone convenient to installation and dismantlement, include first connecting plate and chucking subassembly through angle adjustment mechanism, the first connecting plate right side rotates through rotating and is connected with the head rod, the head rod other end rotates and is connected with the second connecting rod, first connecting plate right side fixedly connected with third connecting rod, the third connecting rod is located the head rod below, the third connecting rod all is connected fixedly connected with second connecting plate through rotating with the second connecting rod other end, install the installing frame on the wall after, fix the megaphone through the chucking subassembly, the locking bolt can make the installation more firm, pull the angle that can adjust the megaphone in the vertical direction from the megaphone top, make the megaphone towards the student in the classroom, the practicality when having improved the device and using.

(2) This megaphone convenient to installation and dismantlement, set up inside the installing frame through elevating system, elevating system includes the threaded rod, the threaded rod rotates with the top of installing frame inner wall to be connected, the threaded rod other end runs through the installing frame and extends to the installing frame below, the one end fixedly connected with lifting handle that the threaded rod is located the installing frame below, two movable blocks about the threaded rod is located the inside surface threaded connection of installing frame, first connecting plate and two movable block right sides fixed connection, it can highly adjust the megaphone to rotate lifting handle, thereby the convenience is dismantled the megaphone.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the utility model at A;

fig. 6 is a side sectional view of the fixing block of the present invention.

In the figure: the loudspeaker comprises a loudspeaker body 1, a mounting frame 2, a lifting mechanism 3, a threaded rod 31, a lifting handle 32, a moving block 33, an angle adjusting mechanism 4, a first connecting plate 41, a clamping assembly 42, a fixed block 421, a through groove 422, a sliding rod 423, a limiting block 424, a sliding groove 425, a limiting rod 426, a first spring 427, a locking bolt 428, a position clamping device 429, a first connecting rod 43, a second connecting rod 44, a third connecting rod 45, a second connecting plate 46 and a limiting groove 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a megaphone convenient to installation and dismantlement includes megaphone main part 1, installing frame 2, elevating system 3, installing frame 2 passes through expansion bolts and wall fixed connection, 2 outstanding part bottoms of installing frame do not have the shielding plate, can let megaphone main part 1 from top to bottom freely, 2 inside angle adjustment mechanism 4 that are provided with of installing frame, angle adjustment mechanism 4 includes first connecting plate 41 and chucking subassembly 42, 41 right sides of first connecting plate are rotated through rotating and are connected with head rod 43, the head rod 43 other end is rotated and is connected with second connecting

rod

44, 41 right sides of first connecting plate fixedly connected with third connecting rod 45, third connecting rod 45 is located head rod 43 below, third connecting rod 45 all is connected fixedly connected with second connecting plate 46 through rotating with the second connecting rod 44 other end.

Chucking subassembly 42 sets up on second connecting plate 46 right side, chucking subassembly 42 includes fixed block 421, fixed block 421 and the positive fixed connection of second connecting plate 46, fixed block 421 has seted up logical groove 422 inside, it has slide bar 423 to lead to groove 422 internal surface sliding connection, slide bar 423 runs through the one end fixedly connected with stopper 424 to the fixed block 421 back, two upper and lower spout 425 have been seted up to the fixed block 421 inner wall, two spout 425 are located logical groove 422's top and below respectively, slide bar 423 is located two gag lever post 426 about the fixed surface of leading to groove 422 inner wall, two gag lever post 426 cooperate with two spout 425 respectively, slide bar 423 is located the first spring 427 of the positive fixedly connected with of leading to groove 422 inner wall, first spring 427 cover is established on slide bar 423 surface.

One end of the sliding rod 423 penetrating to the front face of the fixed block 421 is connected with a locking bolt 428 through a thread, the locking bolt 428 is rotatably connected with the right side of the second connecting plate 46, the right side of the second connecting plate 46 is fixedly connected with an upper retainer 429 and a lower retainer 429, and the retainer 429 is located behind the clamping assembly 42.

Two upper and lower spacing grooves 5 are respectively arranged on the front and the back of the loudspeaker main body 1, the spacing groove 5 positioned on the front of the loudspeaker main body 1 is matched with the spacing block 424, and the spacing groove 5 positioned on the back of the loudspeaker main body 1 is matched with the position-locking device 429.

Elevating system 3 sets up inside installing frame 2, and elevating system 3 includes threaded rod 31, and threaded rod 31 rotates with the top of 2 inner walls of installing frame to be connected, and the threaded rod 31 other end runs through installing frame 2 and extends to installing frame 2 below, and threaded rod 31 is located the one end fixedly connected with lift handle 32 of installing frame 2 below, and threaded rod 31 is located the inside surperficial threaded connection of installing frame 2 and has two movable blocks 33 from top to bottom, first connecting plate 41 and two movable blocks 33 right side fixed connection.

When the loudspeaker is used, holes are drilled in the wall, the mounting frame 2 is fixed through expansion bolts, the loudspeaker body 1 is mounted on the right side of the second connecting plate 46 through the clamping assembly 42, the loudspeaker body 1 is mounted, the limiting groove 5 in the front of the loudspeaker body 1 is aligned with the limiting block 424 and compresses the first spring 427, then the limiting groove 5 on the other side is matched with the clamping device 429, the loudspeaker body 1 can be fixed by loosening hands, the locking bolt 428 is rotated, the sliding rod 423 is moved by rotating the locking bolt 428, the limiting block 424 compresses the loudspeaker body 1, the loudspeaker body 1 is pulled from the upper side of the loudspeaker body 1, the vertical upward angle of the loudspeaker body 1 can be adjusted by rotating the loudspeaker body 1 around the third connecting rod 45, when the loudspeaker body needs to be disassembled, the lifting handle 32 is rotated, the lifting handle 32 drives the threaded rod 31 to rotate, thereby lowering the height of the microphone body 1, loosening the locking bolt 428, and removing the microphone body 1 by allowing the first spring 427 to be compressed by the microphone body 1 so that the stopper groove 5 on the back surface of the microphone body 1 is disengaged from the stopper 429.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a megaphone convenient to installation and dismantlement, includes megaphone main part (1), installing frame (2), elevating system (3), installing frame (2) are through expansion bolts and wall fixed connection, its characterized in that: installing frame (2) inside is provided with angle adjustment mechanism (4), angle adjustment mechanism (4) include first connecting plate (41) and chucking subassembly (42), first connecting plate (41) right side is rotated through rotating and is connected with head rod (43), head rod (43) other end is rotated and is connected with second connecting rod (44), first connecting plate (41) right side fixedly connected with third connecting rod (45), third connecting rod (45) are located head rod (43) below, fixedly connected with second connecting plate (46) are all connected through rotating with the second connecting rod (44) other end in third connecting rod (45).

2. A microphone as claimed in claim 1, wherein the microphone is adapted to be easily mounted and dismounted by: chucking subassembly (42) set up on second connecting plate (46) right side, chucking subassembly (42) include fixed block (421), fixed block (421) and the positive fixed connection of second connecting plate (46), fixed block (421) have been inside to have seted up logical groove (422), it has slide bar (423) to lead to groove (422) internal surface sliding connection, slide bar (423) run through to one end fixedly connected with stopper (424) at fixed block (421) the back, two upper and lower spout (425) have been seted up to fixed block (421) inner wall, two spout (425) are located the top and the below of leading to groove (422) respectively.

3. A microphone as claimed in claim 2, wherein the microphone is adapted to be easily mounted and dismounted by: the surface of the sliding rod (423) located on the inner wall of the through groove (422) is fixedly connected with an upper limiting rod (426) and a lower limiting rod (426), the two limiting rods (426) are respectively matched with the two sliding grooves (425), the front surface of the sliding rod (423) located on the inner wall of the through groove (422) is fixedly connected with a first spring (427), and the surface of the sliding rod (423) is sleeved with the first spring (427).

4. A microphone as claimed in claim 2, wherein the microphone is adapted to be easily mounted and dismounted by: slide bar (423) run through to the positive one end threaded connection of fixed block (421) have locking bolt (428), locking bolt (428) are connected with second connecting plate (46) right side rotation, two screens ware (429) about second connecting plate (46) right side fixedly connected with, screens ware (429) are located the rear of chucking subassembly (42).

5. A microphone as claimed in claim 2, wherein the microphone is adapted to be easily mounted and dismounted by: two spacing grooves (5) about having seted up respectively with the back in the front of megaphone main part (1), spacing groove (5) that are located megaphone main part (1) front cooperate with stopper (424), spacing groove (5) that are located megaphone main part (1) back cooperate with screens ware (429).

6. A microphone as claimed in claim 1, wherein the microphone is adapted to be easily mounted and dismounted by: elevating system (3) set up inside installing frame (2), elevating system (3) include threaded rod (31), threaded rod (31) are rotated with the top of installing frame (2) inner wall and are connected, threaded rod (31) other end runs through installing frame (2) and extends to installing frame (2) below, one end fixedly connected with lift handle (32) that threaded rod (31) are located installing frame (2) below, threaded rod (31) are located installing frame (2) inside surface threaded connection has two movable blocks (33) from top to bottom, first connecting plate (41) and two movable blocks (33) right side fixed connection.