A wall-mounted combined speaker

Abstract

The present invention belongs to the technical field of sound boxes, and specifically is a wall-hidden combination sound box, comprising a protective shell, an inner cavity of the protective shell is rotatably connected with a sealing cover, an upper end surface of the sealing cover is installed with a sound box body, a lower end of the sound box body is provided with a sound amplification cover, and the sound amplification cover is plugged into the inner cavity of the sealing cover, a heat dissipation port is provided at the upper end of the sound box body, two wiring grooves are provided on both sides of the protective shell, and two cable grooves are symmetrically provided on one side of the upper end of the protective shell, and a traction switch assembly is provided inside the cable groove; the problem that the sound box is installed in a wall in an embedded manner and is affected by the wall, resulting in the inability to effectively discharge the heat generated by the sound box during the use of the sound box, and the wall-hidden installation of the sound box makes it inconvenient to disassemble the sound box when the sound box needs to be repaired and inspected.

Description

Technical Field

[0001] The invention belongs to the technical field of sound boxes, in particular to a wall-hidden combined sound box. Background Art

[0002] A speaker is a device that can convert audio signals into sound. In layman's terms, it refers to a speaker mainframe or subwoofer box with a built-in power amplifier, which amplifies the audio signal and plays back the sound from the speaker itself, making the sound louder. Audio refers specifically to an audio system that uses a combination of electrical equipment to produce sound. It is usually combined with a box shell and a diaphragm to form a commonly used speaker. A speaker usually includes three types of speakers: high, low, and medium, and is used with a diaphragm to increase the sound transmission. With the development of technology, wall-mounted speakers have emerged. When installed, this type of speaker can protect the speaker while improving the aesthetics of the house.

[0003] A patent with publication number CN105939500B discloses a rotatable combination speaker, which can freely adjust the direction of the speaker. The rotatable combination speaker includes a main speaker, a first sub-speaker, a second sub-speaker and a third sub-speaker. A first clamping device is provided on the top of the main speaker, and a first pogo pin device is provided on the first clamping device; a first clamping seat is provided on the bottom of the first sub-speaker, and a first connecting piece is provided on the first clamping seat. The first clamping device and the first clamping seat are fixed by the contacts of the first pogo pin device, so that the main speaker and the first sub-speaker maintain power connection.

[0004] There are still some problems in the actual application of the above scheme. Usually, the speaker is installed in the inner cavity of the protective shell, and then the protective shell is installed in the wall, and the protective shell is fixed with expansion bolts. Although this wall-mounted speaker increases the aesthetics of the house, since the speaker is installed in the wall in an embedded manner, it will be affected by the wall, resulting in the inability to effectively discharge the heat generated by the speaker during the use of the speaker. In addition, the wall-mounted speaker is inconvenient to disassemble when the speaker needs to be repaired and inspected.

[0005] To this end, the present invention provides a wall-hiding type combined sound box. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is as follows: the wall-mounted combined sound box described in the present invention comprises a protective shell, the inner cavity of the protective shell is rotatably connected with a sealing cover, the upper end surface of the sealing cover is equipped with a sound body, the lower end of the sound body is provided with a sound amplification cover, and the sound amplification cover is plugged into the inner cavity of the sealing cover, the upper end of the sound body is provided with a heat dissipation port, two wiring grooves are provided on both sides of the protective shell, two wiring grooves are symmetrically provided on one side of the upper end of the protective shell, and a traction switch assembly is provided inside the wiring groove;

[0008] The traction switch assembly includes two winding grooves opened on both sides of the protective shell, and the inner cavities of the two winding grooves are rotatably connected to the winding rack, and the outside of the winding rack is fixed with a traction rope, and the traction rope is arranged in the inner cavity of the wiring groove. The traction rope slides in the inner cavity of the wiring groove and is fixed to the sealing cover.

[0009] Preferably, bolts are provided on both sides of the audio body and are installed and fixed to the sealing cover by bolts, two plug blocks are symmetrically provided on one side of the upper end surface of the sealing cover, two sockets are symmetrically opened at one end of the protective shell, and the two plug blocks are plugged into the sockets.

[0010] Preferably, a heat insulation cover is fixedly connected to the inner cavity of the protective shell, and the heat insulation cover is U-shaped, two slots are symmetrically provided at one end of the heat insulation cover, a heat dissipation opening is provided at the bottom of the inner cavity of the heat insulation cover, and the heat dissipation opening is connected to the heat dissipation opening of the audio body.

[0011] Preferably, two sealing strips are symmetrically fixedly connected to the upper end surface of the sealing cover, and the two sealing strips are plugged into the slots, and two heat dissipation mesh plates are symmetrically installed inside the upper end surface of the sealing cover.

[0012] Preferably, a knob is rotatably connected inside one end of the protective shell, one end of the knob is fixedly connected to the winding frame, one end of the winding frame is fixedly connected to a transmission shaft, and a transmission bevel gear is fixedly connected to the outside of the transmission shaft.

[0013] Preferably, a connecting shaft is rotatably connected to the interior of the lower end of the protective shell, and both ends of the connecting shaft are fixedly connected to driven bevel gears in the inner cavity of the winding groove, and the driven bevel gear is meshingly connected to the transmission bevel gear. A T-shaped rotating column is rotatably connected to the inner cavity of one side of the protective shell, and a torsion spring is fixedly connected to one side of the T-shaped rotating column, and one end of the torsion spring is fixedly connected to the inner cavity wall of the protective shell, and one end of the T-shaped rotating column is fixedly connected to the sealing cover.

[0014] Preferably, two receiving grooves are provided on both sides of the protective shell, a rotation groove is provided inside one end of the protective shell, and an expansion fixing component is provided in the inner cavity of the rotation groove.

[0015] Preferably, the expansion and fixing assembly includes a rotating frame rotatably connected in the inner cavity of the rotating groove, both ends of the inner cavity of the rotating frame are rotatably connected to pull rods, one end of the pull rod is rotatably connected to a telescopic rod, one end of the rotating frame passes through the protective shell, and a crank is fixedly connected to one end of the inner cavity of the protective shell, and a fastening bolt is threadedly connected to the inside of the crank.

[0016] Preferably, one end of the telescopic rod passes through the protective shell, and an anti-skid clamping rod is fixedly connected to one end of the inner cavity of the storage slot, and a plurality of anti-skid protrusions are evenly arranged on one end of the anti-skid clamping rod.

[0017] Preferably, the upper and lower walls of the inner cavity of the protective shell are fixedly connected with partitions, an exhaust device is arranged in one side of the partition, and the inner cavity of the protective shell is connected with the heat dissipation mesh plate.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The wall-hidden combination speaker of the present invention drives the sealing cover to flip by driving the traction switch assembly, and then the installer installs the speaker body on the sealing cover and fixes the speaker body with bolts, and the sound amplification cover at the lower end of the speaker body is inserted into the sealing cover, and then the sealing cover is driven to flip by driving the traction switch assembly, and the sealing cover drives the speaker body to rotate synchronously, so that the speaker body is inserted into the inner cavity of the heat insulation cover, and when the sealing cover is flipped, it drives the sealing strip to be inserted into the inner cavity of the slot, and then cooperates with the speaker body to form a sealed state in the inner cavity of the heat insulation cover, thereby isolating the sound waves before and after the diaphragm, eliminating the phenomenon of acoustic short circuit and acoustic interference, improving the purity and clarity of the sound quality, and making the sound fuller and more powerful, thereby solving the problem that the existing wall-hidden combination speaker is installed in the wall in an embedded manner, so that it will be affected by the wall, resulting in the inability to effectively discharge the heat generated by the speaker during the use of the speaker, and the wall-hidden speaker is inconvenient to disassemble when the speaker needs to be repaired and inspected.

[0020] 2. The wall-hidden combination speaker of the present invention drives the traction switch assembly to operate, thereby driving the sealing cover to flip open, so that it is convenient for operators to disassemble and repair the speaker body. The traction switch assembly drives the sealing cover to flip open, and the sealing cover can also form a temporary workbench for maintenance personnel to perform maintenance operations on the speaker body. The speaker body can be installed and disassembled separately, thereby preventing the speaker body and other internal parts from being physically damaged due to improper operation or improper use of tools when the speaker is installed inside the wall. Moreover, when the combination speaker is installed and used, if there is moisture or water seepage inside the wall, it can also effectively protect the speaker body and other parts inside the speaker to prevent corrosion and damage to the speaker body caused by moisture or water seepage inside the wall, thereby solving the problem that when the existing wall-hidden combination speaker is installed inside the wall, if the speaker is not well protected from moisture and water, it will cause corrosion and damage to the internal parts of the speaker when there is moisture or water seepage inside the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the structure of the main view of the present invention as a whole;

[0023] Figure 2 It is a schematic diagram of the structure of the present invention when viewed from above;

[0024] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a wiring trough of the present invention;

[0025] Figure 4 It is a schematic diagram of the internal structure of a partial cross section of the rotating tank of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the protective housing of the present invention when it is opened;

[0027] Figure 6 It is a schematic diagram of the internal structure of a partial cross section of the winding tank of the present invention;

[0028] Figure 7 It is a schematic diagram of a partial cross-section of the protective housing of the present invention;

[0029] In the figure: 1. Protective housing; 2. Sealing cover; 3. Sealing strip; 4. Sound body; 5. Heat dissipation port; 6. Heat dissipation mesh plate; 7. Insert block; 8. Traction switch assembly;

[0030] 801, knob; 802, reeling frame; 803, reeling slot; 804, traction rope; 805, transmission shaft; 806, transmission bevel gear; 807, driven bevel gear; 808, connecting shaft;

[0031] 9. Socket; 10. Cable duct; 11. Storage slot; 12. Heat insulation cover; 13. Slot; 14. Bolt; 15. Heat dissipation vent; 16. Sound amplification cover; 17. Rotation slot; 18. Rotation frame; 19. Pull rod; 20. Telescopic rod; 21. Anti-slip clamp rod; 22. Crank; 23. Fastening bolt; 24. Wiring trough; 25. Partition; 26. Torsion spring; 27. T-shaped rotation column. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods. Embodiment 1

[0033] like Figures 1 to 7 As shown, a wall-mounted combination speaker according to an embodiment of the present invention comprises a protective shell 1, a sealing cover 2 is rotatably connected to the inner cavity of the protective shell 1, a sound body 4 is installed on the upper end surface of the sealing cover 2, a sound amplifier cover 16 is arranged at the lower end of the sound body 4, and the sound amplifier cover 16 is plugged into the inner cavity of the sealing cover 2, a heat dissipation port 5 is arranged at the upper end of the sound body 4, two wiring grooves 24 are arranged on both sides of the protective shell 1, two wiring grooves 10 are symmetrically arranged on one side of the upper end of the protective shell 1, and a traction switch assembly 8 is arranged inside the wiring groove 10;

[0034] The traction switch assembly 8 includes two winding grooves 803 opened on both sides of the protective shell 1. The inner cavities of the two winding grooves 803 are rotatably connected to the winding rack 802. The outside of the winding rack 802 is fixedly connected to a traction rope 804, and the traction rope 804 is arranged in the inner cavity of the wiring groove 24. The traction rope 804 slides in the inner cavity of the wiring groove 10 and is fixedly connected to the sealing cover 2.

[0035] Specifically, in the prior art, expansion bolts are usually used to install the speaker housing and the wall, so that the speaker is embedded in the wall. Although this wall-mounted speaker increases the aesthetics of the house, since the speaker is installed in the wall in an embedded manner, it will be affected by the wall, resulting in the inability to effectively discharge the heat generated by the speaker during the use of the speaker. In addition, the wall-mounted speaker is inconvenient to disassemble when the speaker needs to be repaired and inspected.

[0036] The structure of the sound body 4 includes a speaker and a diaphragm. The present invention installs the protective shell 1 in the wall, and then drives the winding frame 802 to rotate, and the winding frame 802 drives the traction rope 804 to be discharged, and the traction rope 804 is discharged from the inner cavity of the wiring groove 24, so that the sealing cover 2 is turned over, and the sealing cover 2 drives the traction rope 804 to slide out of the inner cavity of the wiring groove 10. Then the installer installs the sound body 4 on the sealing cover 2 and fixes the sound body 4 with bolts 14. At the same time, the sound amplification cover 16 at the lower end of the sound body 4 will be inserted into the sealing cover 2, thereby effectively improving the installation efficiency of the sound body 4, and also facilitating the quick repair of the sound body 4 when it is necessary to repair the sound body 4. It can be disassembled quickly to improve the maintenance efficiency, and then the winding frame 802 is driven to rotate, and the winding frame 802 drives the traction rope 804 to reel up, so that the traction rope 804 pulls the sealing cover 2 to flip over, and the sealing cover 2 drives the sound body 4 to rotate synchronously, so that the sound body 4 is inserted into the inner cavity of the heat insulation cover 12, and when the sealing cover 2 is flipped, it will drive the sealing strip 3 to be inserted into the inner cavity of the slot 13, and then cooperate with the sound body 4 to form a sealed state in the inner cavity of the heat insulation cover 12, so as to avoid the sound box being affected by the wall and causing the sound short circuit and sound interference, and then the sound waves before and after the diaphragm can be isolated, the purity and clarity of the sound quality can be improved, and the sound can be fuller and more powerful, thereby solving the above-mentioned problems.

[0037] like Figure 1 and Figure 5 As shown, bolts 14 are provided on both sides of the speaker body 4, and the speaker body 4 is fixed to the sealing cover 2 by bolts 14. Two plug blocks 7 are symmetrically provided on one side of the upper end surface of the sealing cover 2. Two plug holes 9 are symmetrically opened at one end of the protective shell 1, and the two plug blocks 7 are plugged into the plug holes 9.

[0038] like Figure 1 , Figure 3 and Figure 5 As shown, a heat insulating cover 12 is fixedly connected to the inner cavity of the protective shell 1, and the heat insulating cover 12 is U-shaped. Two slots 13 are symmetrically provided at one end of the heat insulating cover 12. A heat dissipation hole 15 is provided at the bottom of the inner cavity of the heat insulating cover 12, and the heat dissipation hole 15 is connected to the heat dissipation hole 5 of the sound body 4.

[0039] like Figure 1 and Figure 5 As shown, two sealing strips 3 are symmetrically fixedly connected to the upper end surface of the sealing cover 2, and the two sealing strips 3 are plugged into the slots 13, and two heat dissipation mesh plates 6 are symmetrically installed inside the upper end surface of the sealing cover 2.

[0040] like Figures 3 to 6As shown, a knob 801 is rotatably connected inside one end of the protective shell 1 , one end of the knob 801 is fixedly connected to a winding frame 802 , one end of the winding frame 802 is fixedly connected to a transmission shaft 805 , and a transmission bevel gear 806 is fixedly connected to the outside of the transmission shaft 805 .

[0041] like Figure 3 , Figure 6 and Figure 7 As shown, the lower end of the protective shell 1 is internally rotatably connected with a connecting shaft 808, and both ends of the connecting shaft 808 are located in the inner cavity of the winding groove 803 and are fixedly connected with driven bevel gears 807, the driven bevel gear 807 is meshingly connected with the transmission bevel gear 806, and the inner cavity of one side of the protective shell 1 is rotatably connected with a T-shaped rotating column 27, one side of the T-shaped rotating column 27 is fixedly connected with a torsion spring 26, and one end of the torsion spring 26 is fixedly connected to the inner cavity wall of the protective shell 1, and one end of the T-shaped rotating column 27 is fixedly connected to the sealing cover 2.

[0042] Specifically, when the audio body 4 is inspected and repaired, the knob 801 is driven to rotate, and the knob 801 drives the winding rack 802 to rotate, and the winding rack 802 drives the transmission shaft 805 to rotate. During the rotation of the transmission shaft 805, the transmission bevel gear 806 is driven to rotate, and the transmission bevel gear 806 is meshed with the transmission driven bevel gear 807 to rotate, and then the connecting shaft 808 is driven to rotate. During the rotation of the connecting shaft 808, the driven bevel gear 807 is driven to rotate, and the transmission bevel gear 806 is meshed to rotate, and then the transmission shaft 805 is driven to rotate, and the winding rack 802 is driven to rotate, so that the winding rack 802 drives the traction rope 804 to discharge, and then the torsion spring 26 is used to twist the T-shaped rotating column 27, and the T-shaped rotating column 27 drives the sealing cover 2 to flip and open, so as to facilitate the operator The technicians can disassemble and repair the sound body 4, and this combined speaker can protect the sound body 4 separately to prevent physical damage to the internal parts such as the sound body 4 when the speaker is installed inside the wall due to improper operation or improper use of tools. Moreover, when this combined speaker is installed and used, if there is moisture or water seepage inside the wall, it can also effectively protect the parts such as the sound body 4 inside the speaker to prevent corrosion and damage to the sound body 4 due to moisture or water seepage inside the wall, thereby solving the problem that when the existing wall-hidden combined speakers are installed inside the wall, the walls in the southern region are prone to moisture, which is a common weather moisture phenomenon. If the speakers are not well protected from moisture and water, moisture will return to the wall, which will cause corrosion and damage to the internal parts of the speakers. Embodiment 2

[0043] like Figures 4 to 5 As shown, two receiving grooves 11 are provided on both sides of the protective shell 1, a rotation groove 17 is provided inside one end of the protective shell 1, and an expansion fixing component is provided in the inner cavity of the rotation groove 17.

[0044] like Figures 4 to 5 As shown, the expansion and fixing assembly includes a rotating frame 18 rotatably connected in the inner cavity of the rotating groove 17, and pull rods 19 are rotatably connected at both ends of the inner cavity of the rotating frame 18. A telescopic rod 20 is rotatably connected inside one end of the pull rod 19. One end of the rotating frame 18 passes through the protective shell 1, and a crank 22 is fixedly connected at one end of the inner cavity of the protective shell 1, and a fastening bolt 23 is threadedly connected inside the crank 22.

[0045] like Figures 4 to 5 As shown, one end of the telescopic rod 20 passes through the protective housing 1 , and an anti-skid clamping rod 21 is fixedly connected to one end of the inner cavity of the storage slot 11 , and a plurality of anti-skid protrusions are evenly arranged at one end of the anti-skid clamping rod 21 .

[0046] Specifically, after the protective shell 1 is installed inside the wall, the fastening bolt 23 is driven to rotate, and the fastening bolt 23 drives the crank 22 to rotate, and the crank 22 drives the rotating frame 18 to rotate. During the rotation of the rotating frame 18, the pull rod 19 is driven to rotate, and the pull rod 19 pushes the telescopic rod 20 to slide inside the protective shell 1, so that the telescopic rod 20 pushes the anti-slip clamping rod 21 to slide out of the inner cavity of the storage groove 11, and a plurality of anti-slip protrusions are evenly arranged on one end of the anti-slip clamping rod 21. After the anti-slip clamping rod 21 is pushed out of the inner cavity of the storage groove 11, the anti-slip protrusions are used to squeeze the inner cavity wall of the wall, so as to fix the protective shell 1. After the expansion and extrusion is fixed on the inner wall of the wall, the fastening bolt 23 is twisted to rotate with the crank 22 thread, and the fastening bolt 23 is made to abut against the inner wall of the protective shell 1, thereby fixing the crank 22 to prevent the crank 22 from rotating and causing the anti-slip clamping rod 21 to loosen, thereby solving the problem that the existing wall-mounted combination speakers usually use expansion bolts to install the speaker shell and the wall, so that the speaker is embedded in the wall. However, this installation method is very inconvenient when the speaker shell needs to be disassembled, and when installing the speaker, it is necessary to drill installation holes in the inner wall of the wall in advance, and then the expansion bolts can be used to install and fix the speaker. Not only is the installation cumbersome, but the disassembly is also not convenient enough.

[0047] like Figure 1 , Figure 5 and Figure 7 As shown, the upper and lower walls of the inner cavity of the protective shell 1 are fixedly connected with partitions 25, and an exhaust device is arranged on one side of the partition 25. The inner cavity of the protective shell 1 is connected with the heat dissipation mesh plate 6.

[0048] Specifically, during the operation of the speaker, the exhaust device is started and the exhaust device draws the heat discharged from the heat dissipation port 5 through the heat dissipation port 15, and then discharges the heat through the heat dissipation mesh plate 6 in the sealing cover 2, thereby avoiding the problem that after the existing wall-mounted combination speaker is installed inside the wall, the speaker will generate a certain amount of heat when working, and the speaker is completely closed and installed inside the wall. If the heat generated inside the speaker cannot be effectively discharged and dissipated, it will cause internal parts to overheat, thereby affecting its performance and life.

[0049] The working principle is that the protective shell 1 is installed in the wall, and then the fastening bolt 23 is driven to rotate, and the fastening bolt 23 drives the crank 22 to rotate, and the crank 22 drives the rotating frame 18 to rotate. During the rotation of the rotating frame 18, the pull rod 19 is driven to rotate, and the pull rod 19 pushes the telescopic rod 20 to slide inside the protective shell 1, so that the telescopic rod 20 pushes the anti-skid clamping rod 21 to slide out of the inner cavity of the storage groove 11, and a plurality of anti-skid protrusions are evenly arranged on one end of the anti-skid clamping rod 21. After the anti-skid clamping rod 21 is pushed out of the inner cavity of the storage groove 11, the anti-skid protrusions are used to squeeze the inner cavity wall of the wall, so as to fix the protective shell 1. After the protective shell 1 is expanded and squeezed to fix the inner wall of the wall, the fastening bolt 23 and the crank 22 are rotated by twisting the fastening bolt 23, and the fastening bolt 23 is abutted against the inner wall of the protective shell 1, so as to fix the crank 22, so as to prevent the anti-skid clamping rod 21 from loosening due to the rotation of the crank 22.

[0050] The winding frame 802 is driven to rotate and the winding frame 802 drives the traction rope 804 to be discharged, and the traction rope 804 is discharged from the inner cavity of the wiring groove 24, so that the sealing cover 2 is turned over, and the sealing cover 2 drives the traction rope 804 to slide out from the inner cavity of the wiring groove 10. Then the installer installs the audio body 4 on the sealing cover 2 and fixes the audio body 4 with bolts 14. At the same time, the sound expansion cover 16 at the lower end of the audio body 4 will be inserted into the sealing cover 2, thereby effectively improving the installation efficiency of the audio body 4, and facilitating the rapid disassembly of the audio body 4 when it needs to be repaired to improve the maintenance efficiency. Then the winding frame 802 is driven to rotate and the winding frame 802 drives the traction rope 804 to be discharged. The sealing cover 2 is wound up, and then the traction rope 804 pulls the sealing cover 2 to flip over, and the sealing cover 2 drives the sound body 4 to rotate synchronously, so that the sound body 4 is inserted into the inner cavity of the heat insulation cover 12, and when the sealing cover 2 is flipped, it will drive the sealing strip 3 to be inserted into the inner cavity of the slot 13, and then cooperate with the sound body 4 to form a sealed state in the inner cavity of the heat insulation cover 12, thereby isolating the sound waves before and after the diaphragm, eliminating the acoustic short circuit and acoustic interference, improving the purity and clarity of the sound quality, and making the sound fuller and more powerful. In addition, during the operation of the speaker, the exhaust device is started, and the exhaust device draws the heat discharged from the heat dissipation port 5 through the heat dissipation port 15, and then discharges it through the heat dissipation mesh plate 6 in the sealing cover 2, thereby improving the heat dissipation efficiency of the speaker.

[0051] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wall-mounted combination speaker, characterized in that: The invention comprises a protective shell (1), wherein the inner cavity of the protective shell (1) is rotatably connected to a sealing cover (2), an acoustic body (4) is mounted on the upper end surface of the sealing cover (2), a sound amplification cover (16) is arranged at the lower end of the acoustic body (4), and the sound amplification cover (16) is plugged into the inner cavity of the sealing cover (2), a heat dissipation port (5) is arranged at the upper end of the acoustic body (4), two wiring grooves (24) are arranged on both sides of the protective shell (1), two wiring grooves (10) are symmetrically arranged on one side of the upper end of the protective shell (1), and a traction switch assembly (8) is arranged inside the wiring groove (10); The traction switch assembly (8) comprises two winding grooves (803) provided inside the two sides of the protective housing (1), the inner cavities of the two winding grooves (803) are rotatably connected to winding racks (802), the outer portion of the winding racks (802) is fixedly connected to a traction rope (804), and the traction rope (804) is arranged in the inner cavity of the wiring groove (24), and the traction rope (804) slides in the inner cavity of the wiring groove (10) and is fixedly connected to the sealing cover (2); A knob (801) is rotatably connected to one end of the protective housing (1); one end of the knob (801) is fixedly connected to a winding frame (802); one end of the winding frame (802) is fixedly connected to a transmission shaft (805); and a transmission bevel gear (806) is fixedly connected to the outside of the transmission shaft (805); The lower end of the protective shell (1) is internally rotatably connected to a connecting shaft (808), and both ends of the connecting shaft (808) are located in the inner cavity of the winding groove (803) and are fixedly connected to driven bevel gears (807), and the driven bevel gear (807) is meshingly connected to the transmission bevel gear (806). The inner cavity of one side of the protective shell (1) is rotatably connected to a T-shaped rotating column (27), and one side of the T-shaped rotating column (27) is fixedly connected to a torsion spring (26), and one end of the torsion spring (26) is fixedly connected to the inner cavity wall of the protective shell (1), and one end of the T-shaped rotating column (27) is fixedly connected to the sealing cover (2).

2. The wall-mounted combination speaker according to claim 1, characterized in that: Bolts (14) are provided on both sides of the sound body (4), and the sound body (4) is fixed to the sealing cover (2) by means of the bolts (14); two plug blocks (7) are symmetrically provided on one side of the upper end surface of the sealing cover (2); two plug holes (9) are symmetrically provided on one end of the protective housing (1), and the two plug blocks (7) are plugged into the plug holes (9).

3. The wall-mounted combination speaker according to claim 1, characterized in that: The inner cavity of the protective housing (1) is fixedly connected with a heat insulation cover (12), and the heat insulation cover (12) is arranged in a U shape. Two slots (13) are symmetrically provided at one end of the heat insulation cover (12). A heat dissipation opening (15) is provided at the bottom of the inner cavity of the heat insulation cover (12), and the heat dissipation opening (15) is connected to the heat dissipation opening (5) of the sound body (4).

4. The wall-mounted combination speaker according to claim 3, characterized in that: Two sealing strips (3) are symmetrically fixedly connected to the upper end surface of the sealing cover (2), and the two sealing strips (3) are plugged into the slots (13). Two heat dissipation mesh plates (6) are symmetrically installed inside the upper end surface of the sealing cover (2).

5. The wall-mounted combination speaker according to claim 1, characterized in that: Two receiving grooves (11) are provided on both sides of the protective shell (1), a rotation groove (17) is provided inside one end of the protective shell (1), and an expansion fixing component is provided in the inner cavity of the rotation groove (17).

6. The wall-mounted combination speaker according to claim 5, characterized in that: The expansion fixing assembly comprises a rotating frame (18) rotatably connected in the inner cavity of the rotating groove (17), both ends of the inner cavity of the rotating frame (18) are rotatably connected to pull rods (19), one end of the pull rod (19) is internally rotatably connected to a telescopic rod (20), one end of the rotating frame (18) passes through the protective shell (1), and a crank (22) is fixedly connected at one end of the inner cavity of the protective shell (1), and a fastening bolt (23) is internally threadedly connected to the crank (22).

7. The wall-mounted combination speaker according to claim 6, characterized in that: One end of the telescopic rod (20) passes through the protective housing (1), and one end located in the inner cavity of the storage slot (11) is fixedly connected to an anti-skid clamping rod (21), and one end of the anti-skid clamping rod (21) is evenly provided with a plurality of anti-skid protrusions.

8. The wall-mounted combination speaker according to claim 1, characterized in that: The upper and lower walls of the inner cavity of the protective shell (1) are both fixedly connected with partitions (25), one side of the partition (25) is provided with an exhaust device, and the inner cavity of the protective shell (1) is connected to the heat dissipation mesh plate (6).

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