Teaching sound box with pressure-equalizing sound wave coverage

Abstract

The utility model discloses a teaching sound box with pressure-equalizing sound wave coverage, which comprises a mounting plate, a detachable supporting plate arranged on the right side of the mounting plate, a sound box body arranged on the top of the supporting plate, a detachable equalizer body arranged above the sound box body, and a concave plate arranged on the right side of the mounting plate, the concave plate is installed on the right side of the supporting plate. According to the utility model, the supporting plate, the sound box body, the equalizer body, the concave plate, the threaded rod, the rotating block, the clamping groove, the clamping block, the movable plate, the limiting block, the limiting groove, the sliding groove, the sliding block, the connecting plate, the base, the inserting groove, the iron block and the magnet are matched with one another, so that the teaching sound box with the pressure equalizing sound wave coverage is realized; and the sound box can be quickly disassembled and assembled from the wall, the influence on the maintenance and repair of the sound box is avoided, the equalizer body can be disassembled for maintenance, and the flexibility in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching speakers, in particular to a teaching speaker with pressure-equalizing sound wave coverage. Background Art

[0002] With the development of multimedia technology, multimedia teaching has entered the classroom, and speakers as multimedia equipment are also used in the classroom.

[0003] According to the application number: CN202022750536.9, a suspended IP network speaker for a teaching building includes a network speaker body, a dust cover, a mounting bracket, a player and a decibel sensor, a player is installed inside the network speaker body, and a circular opening is provided on the outer wall of the network speaker body at the player position, and jacks are provided on the outer wall of the network speaker body outside the circular opening, a decoder is installed on the inner wall of the network speaker body on one side of the player, and a power supply box is installed on the bottom of the network speaker body below the player, a wireless communication module is installed on the top of the network speaker body above the player, and an audio signal module is installed on the top of the network speaker body on one side of the wireless communication module, and a single-chip computer is installed on the top of the network speaker body on the audio signal module side.

[0004] The speakers in the above case are installed on the wall by multiple bolts, which makes the later disassembly and assembly of the speakers complicated and troublesome, and requires the use of external tools for disassembly and assembly. In addition, the speakers do not have the effect of equalizing the pressure of the sound waves. For this reason, we provide a teaching speaker with equalizing the pressure of the sound waves. Utility Model Content

[0005] The purpose of the utility model is to provide a teaching sound box with pressure-equalizing sound wave coverage to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a teaching speaker with a pressure-equalizing sound wave cover, comprising a mounting plate, and a detachable supporting plate arranged on the right side of the mounting plate, a speaker body is installed on the top of the supporting plate, a detachable equalizer body is arranged above the speaker body, and also comprises a concave plate, the concave plate is installed on the right side of the supporting plate, a threaded rod is rotatably connected in the groove on the right side of the supporting plate through a bearing, the right end of the threaded rod passes through the concave plate and extends to the outside thereof, a rotating block is installed on the right end of the threaded rod, a card slot is opened on the left side of the front side of the supporting plate, and the mounting A card block is installed on the right side of the plate and at a position corresponding to the card slot, the right side of the card block penetrates the card slot and extends to the inside thereof to contact the inner wall of the card slot, a movable plate is threadedly connected to the surface of the threaded rod, two limit blocks are installed on the left side of the movable plate, a limit slot is provided on the right side of the card block and at a position corresponding to the limit block, a connecting plate is installed on the top of the support plate, a base is installed at the bottom of the equalizer body and at the top of the connecting plate, a slot is provided at the bottom of the base, an iron block is installed on the top of the connecting plate and at a position corresponding to the slot, and a magnet that attracts the iron block is installed on the inner wall of the slot.

[0007] Preferably, the top and the bottom of the inner wall of the concave plate are both provided with sliding grooves, and the top and the bottom of the movable plate are both provided with sliding blocks that are in sliding contact with the sliding grooves.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0009] The utility model realizes a teaching speaker with equalized sound wave coverage through the mutual cooperation of a supporting plate, a speaker body, an equalizer body, a concave plate, a threaded rod, a rotating block, a slot, a block, a movable plate, a limit block, a limit slot, a slide groove, a slider, a connecting plate, a base, a slot, an iron block and a magnet, and the speaker can be quickly disassembled and assembled from the wall to avoid affecting the maintenance and overhaul of the speaker, and the equalizer body can be disassembled for maintenance, thereby improving flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0011] Figure 2 It is a structural cross-sectional view of the front view of the utility model;

[0012] Figure 3 It is a structural cross-sectional view of the front view of the mounting plate, the support plate and the concave plate of the utility model;

[0013] Figure 4 This is a structural cross-sectional view of the front view of the connecting plate, base, slot, iron block and magnet of the utility model.

[0014] In the figure: 1 mounting plate, 2 supporting plate, 3 speaker body, 4 equalizer body, 5 concave plate, 6 threaded rod, 7 rotating block, 8 slot, 9 card block, 10 movable plate, 11 limiting block, 12 limiting slot, 13 slide slot, 14 slider, 15 connecting plate, 16 base, 17 slot, 18 iron block, 19 magnet. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-4 A teaching speaker with a pressure-equalizing sound wave coverage includes a mounting plate 1 and a detachable supporting plate 2 arranged on the right side of the mounting plate 1, the left side of the supporting plate 2 is in contact with the right side of the mounting plate 1, a speaker body 3 is fixedly connected to the top of the supporting plate 2, a detachable equalizer body 4 is arranged above the speaker body 3, and mounting holes are opened at the four corners of the right side of the mounting plate 1, which are connected and fixed to the external wall through the mounting holes.

[0017] A connecting plate 15 is fixedly connected to the top of the support plate 2, a base 16 is fixedly connected to the bottom of the equalizer body 4 and located on the top of the connecting plate 15, the base 16 is in contact with the connecting plate 15 on one side close to the connecting plate 15, a slot 17 is provided at the bottom of the base 16, an iron block 18 is fixedly connected to the top of the connecting plate 15 and at a position corresponding to the slot 17, and a magnet 19 that attracts the iron block 18 is fixedly connected to the inner wall of the slot 17.

[0018] Furthermore, a signal receiver is installed on the left side of the connecting plate 15 , the signal receiver is electrically connected to the external controller, the signal receiver is electrically connected to the equalizer body 4 , and the equalizer body 4 is electrically connected to the speaker body 3 .

[0019] Specifically, the base 16 is pulled upward, and the base 16 drives the slot 17 to move upward, so that the magnet 19 and the iron block 18 are separated, and the equalizer body 4 on the base 16 can be disassembled for maintenance.

[0020] It also includes a concave plate 5, which is installed on the right side of the support plate 2. A threaded rod 6 is rotatably connected to the groove on the right side of the support plate 2 through a bearing. The right end of the threaded rod 6 penetrates the concave plate 5 and extends to the outside thereof. A rotating block 7 is fixedly connected to the right end of the threaded rod 6. A slot 8 is provided on the left side of the front face of the support plate 2. A block 9 is fixedly connected to the right side of the mounting plate 1 and corresponds to the position of the slot 8. The right side of the block 9 penetrates the slot 8 and extends to its interior and contacts with the inner wall of the slot 8. A movable plate 10 is threadedly connected to the surface of the threaded rod 6. The side of the movable plate 10 close to the inner wall of the concave plate 5 is in contact with the concave plate 5. The left side of the movable plate 10 is fixedly connected with two limit blocks 11, and a limit slot 12 is provided on the right side of the block 9 corresponding to the position of the limit block 11. The side of the limit block 11 close to the limit slot 12 sequentially penetrates the card slot 8 and the limit slot 12 and extends to the inside of the limit slot 12 and contacts the inner wall of the limit slot 12. The top and bottom of the inner wall of the concave plate 5 are provided with sliding grooves 13, and the top and bottom of the movable plate 10 are fixedly connected with sliders 14 that are in sliding contact with the sliding grooves 13. By setting the sliding grooves 13 and the sliders 14, the stability of the movable plate 10 during movement is improved.

[0021] Through the mutual cooperation of the support plate 2, the speaker body 3, the equalizer body 4, the concave plate 5, the threaded rod 6, the rotating block 7, the slot 8, the block 9, the movable plate 10, the limit block 11, the limit slot 12, the slide groove 13, the slider 14, the connecting plate 15, the base 16, the slot 17, the iron block 18 and the magnet 19, a teaching speaker with a pressure-equalizing sound wave coverage is realized, and the speaker can be quickly disassembled and assembled from the wall to avoid affecting the maintenance and inspection of the speaker, and the equalizer body 4 can be disassembled for maintenance, thereby improving the flexibility during use.

[0022] When in use, the equalizer body 4 can be used to make the speaker body 3 emit a uniform sound pressure. When the support plate 2 needs to be removed to maintain the audio body 3 and the equalizer body 4, the rotating block 7 is rotated, and the rotating block 7 drives the threaded rod 6 to rotate, and the threaded rod 6 drives the movable plate 10 to move to the right, and the movable plate 10 drives the limit block 11 to move to the right, so that the limit block 11 and the limit slot 12 are separated, and then the support plate 2 is pulled back, and the support plate 2 drives the slot 8 to move backward, so that the slot 8 and the block 9 are separated to complete the disassembly.

[0023] To sum up: the teaching speaker with equalized sound wave coverage solves the problems raised in the above-mentioned background technology through the mutual cooperation of the support plate 2, the speaker body 3, the equalizer body 4, the concave plate 5, the threaded rod 6, the rotating block 7, the slot 8, the block 9, the movable plate 10, the limit block 11, the limit slot 12, the slide groove 13, the slider 14, the connecting plate 15, the base 16, the slot 17, the iron block 18 and the magnet 19.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A teaching speaker with pressure-equalizing sound wave coverage, characterized in that: The invention comprises a mounting plate (1), and a detachable supporting plate (2) arranged on the right side of the mounting plate (1), a speaker body (3) being installed on the top of the supporting plate (2), a detachable equalizer body (4) being arranged above the speaker body (3), and a concave plate (5) being installed on the right side of the supporting plate (2), a threaded rod (6) being rotatably connected in a groove on the right side of the supporting plate (2) through a bearing, the right end of the threaded rod (6) passing through the concave plate (5) and extending to the outside thereof, a rotating block (7) being installed on the right end of the threaded rod (6), a card slot (8) being provided on the left side of the front side of the supporting plate (2), a card block (9) being installed on the right side of the mounting plate (1) and corresponding to the card slot (8), the right side of the card block (9) passing through the card slot (8) The threaded rod (6) is connected to a movable plate (10) by a threaded connection on the surface of the threaded rod (6), two limit blocks (11) are installed on the left side of the movable plate (10), and a limit groove (12) is provided on the right side of the block (9) and at a position corresponding to the limit block (11). A connecting plate (15) is installed on the top of the support plate (2), and a base (16) is installed at the bottom of the equalizer body (4) and at the top of the connecting plate (15), and a slot (17) is provided at the bottom of the base (16), and an iron block (18) is installed at the top of the connecting plate (15) and at a position corresponding to the slot (17), and a magnet (19) that attracts the iron block (18) is installed on the inner wall of the slot (17).

2. A teaching speaker with pressure-equalizing sound wave coverage according to claim 1, characterized in that: The top and bottom of the inner wall of the concave plate (5) are both provided with a slide groove (13), and the top and bottom of the movable plate (10) are both provided with a slider (14) which is in sliding contact with the slide groove (13).

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