Thin-wall sound box rear shell not prone to deformation

Abstract

The utility model discloses a non-deformable thin-wall sound equipment rear shell, which belongs to the technical field of sound equipment and comprises an upper shell and an inner container, a lower shell is arranged under the upper shell, round shells are fixedly mounted on two sides of the upper shell, bolts are inserted in the middles of the round shells in a sliding manner, and round blocks are fixedly mounted at the other ends, close to each other, of the two bolts. A first reset spring is fixedly installed on the right side of the circular block, the right side of the first reset spring is fixedly installed in the circular shell, a rotating shaft is fixedly installed on the right side of the plug pin, a pressing plate is rotationally connected to the outer side of the rotating shaft, and the plug pin is movably inserted into the upper shell and the lower shell. Through mutual cooperation of the supporting ribs, the pressing plate, the rotating column, the first inserting plate, the rectangular plate, the fixing shaft, the round shell, the round block, the plug pin, the first reset spring, the round limiting plate, the telescopic cylinder, the telescopic column, the second reset spring and the rotating shaft, the shell is not prone to deformation, and meanwhile the upper shell and the lower shell can be detached and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of audio equipment, in particular to a thin-walled audio rear shell which is not easily deformed. Background Art

[0002] With the development of science and technology, people pay more and more attention to the appearance and function of audio equipment. In order to pursue fashion, beauty, lightness and portability, the shell of audio equipment tends to be thinner.

[0003] The patent document with publication number CN 218450386 U discloses a thin-walled audio back shell that is not easy to deform, which relates to the field of plastic audio shells. The key points of its technical solution are: it includes a back shell body, the inner peripheral side of the edge of the back shell body is provided with support ribs, a step groove is formed between the support ribs and the inner peripheral side wall of the edge of the back shell body, the support ribs are bent downward to form a plurality of recesses of varying depths, the inner side of the back shell body is provided with inner hoop ribs below the support ribs, the inner side wall of the back shell body is provided with longitudinal reinforcement ribs, and the bottom is provided with horizontal reinforcement ribs.

[0004] In the above technical solution, the inner stirrups are arranged to support the rear shell body close to the step groove, so that the edge of the rear shell body is not easily deformed by pressure. However, it is inconvenient to disassemble and replace the shell body when it is damaged. Therefore, we propose a thin-walled audio rear shell that is not easy to deform to solve this problem. Utility Model Content

[0005] The utility model aims to provide a thin-walled acoustic rear shell which is not easily deformed, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A thin-walled audio rear shell that is not easily deformed comprises: an upper shell and an inner shell, a lower shell is arranged directly below the upper shell, round shells are fixedly installed on both sides of the upper shell, a latch is slidably inserted in the middle of the round shell, a round block is fixedly installed on the other end of the two latches close to each other, a return spring 1 is fixedly installed on the right side of the round block, the right side of the return spring 1 is fixedly installed on the inside of the round shell, a rotating shaft is fixedly installed on the right side of the latch, a pressure plate is rotatably connected to the outside of the rotating shaft, the latch is movably inserted in the inside of the upper shell and the lower shell, the lower shell and the upper shell are movably sleeved on the outside of the inner shell, and a plurality of supporting ribs are fixedly installed on the outside of the inner shell.

[0008] Preferably, a hinge shaft is fixedly installed on the outer side of the pressure plate, a rotating column is rotatably connected to the outer side of the hinge shaft, a rectangular plate is slidably connected to the top of the rotating column, a plug plate 1 is fixedly installed in the middle of the bottom of the rectangular plate, fixed shafts are fixedly installed on both sides of the upper shell, the outer side of the plug plate 1 is movably inserted into the inside of the fixed shaft, a circular limiting plate is fixedly installed on one side of the fixed shaft, and one side of the rectangular plate is movably abutted against one side of the fixed shaft.

[0009] Preferably, a groove is provided on the top of the rotating column, a telescopic cylinder is fixedly installed in the groove, a telescopic column is slidably inserted inside the telescopic cylinder, the top of the telescopic column is fixedly installed on the bottom of the rectangular plate, a second reset spring is fixedly installed in the groove, and the top of the second reset spring is fixedly installed on the bottom of the rectangular plate.

[0010] Preferably, a plug plate three is fixedly mounted on the bottom of the upper shell, and the outer side of the plug plate three is movably plugged into the interior of the lower shell.

[0011] Preferably, a second plug-in plate is fixedly mounted on the inner side of the top of the upper shell, and the outer side of the second plug-in plate is movably plugged into the top of the inner tank.

[0012] Preferably, handle openings are provided on both sides of the upper shell, and a heat dissipation opening is provided on the rear side of the upper shell.

[0013] In the utility model, the thin-walled acoustic rear shell which is not easy to deform is driven by pulling the rectangular plate to drive the plug plate to separate from the fixed axis, and then manually rotating the rectangular plate so that the rectangular plate starts to rotate around the hinge axis, thereby breaking away from the restriction on the pressure plate, and then rotating the pressure plate so that the pressure plate starts to rotate around the rotation axis, thereby driving the latch to start to separate from the interior of the upper shell and the lower shell;

[0014] In the utility model, the thin-walled acoustic rear shell which is not easy to deform is manually pulled upward by pulling the handle mouth upward after the latch is detached, so that the upper shell and the lower shell of the acoustic can be separated, so that the upper shell and the lower shell of the acoustic can be replaced, and the inner shell can be cleaned at the same time. After completion, the new upper shell and the lower shell are installed by repeating the above operation in the direction;

[0015] The utility model has a reasonable structural design. Through the mutual cooperation among the supporting ribs, the pressure plate, the rotating column, the first plug plate, the rectangular plate, the fixed shaft, the round shell, the round block, the latch, the first reset spring, the round limit plate, the telescopic cylinder, the telescopic column, the second reset spring and the rotating shaft, the shell is not easily deformed, and the upper shell and the lower shell can be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a thin-walled audio rear shell that is not easily deformed proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of a thin-walled audio rear shell that is not easily deformed, as proposed by the utility model;

[0018] Figure 3 for Figure 2 A partial enlarged view of part A;

[0019] Figure 4 This is a schematic diagram of the structure of the support ribs, inner liner and insert plate 2 proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the heat dissipation port, the upper shell and the lower shell proposed in the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the pressing plate, round shell and latch proposed in the utility model;

[0022] Figure 7 for Figure 6 A partial enlarged view of part B.

[0023] In the figure: 1. upper shell; 2. lower shell; 3. pressure plate; 4. rotating column; 5. plug-in plate 1; 6. rectangular plate; 7. round block; 8. latch; 9. reset spring 1; 10. telescopic cylinder; 11. telescopic column; 12. reset spring 2; 13. fixed axis; 14. round limit plate; 15. rotating axis; 16. handle mouth; 17. liner; 18. supporting ribs; 19. plug-in plate 2; 20. plug-in plate 3; 21. heat dissipation port; 22. round shell; 23. hinge axis. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-7 A threaded element inner groove polishing device comprises: an upper shell 1 and an inner liner 17, a lower shell 2 is arranged directly below the upper shell 1, round shells 22 are fixedly installed on both sides of the upper shell 1, a latch 8 is slidably inserted in the middle of the round shell 22, a round block 7 is fixedly installed at the other end of the two latches 8 close to each other, a return spring 9 is fixedly installed on the right side of the round block 7, the right side of the return spring 9 is fixedly installed inside the round shell 22, a rotating shaft 15 is fixedly installed on the right side of the latch 8, a pressing plate 3 is rotatably connected to the outer side of the rotating shaft 15, the latch 8 is movably inserted into the interior of the upper shell 1 and the lower shell 2, the lower shell 2 and the upper shell 1 are movably sleeved on the outer side of the inner liner 17, and a plurality of supporting ribs 18 are fixedly installed on the outer side of the inner liner 17.

[0026] In this embodiment, a hinge shaft 23 is fixedly installed on the outer side of the pressure plate 3, and a rotating column 4 is rotatably connected to the outer side of the hinge shaft 23. A rectangular plate 6 is slidably connected to the top of the rotating column 4, and an insert plate 5 is fixedly installed in the middle of the bottom of the rectangular plate 6. Fixed shafts 13 are fixedly installed on both sides of the upper shell 1. The outer side of the insert plate 5 is movably inserted into the inside of the fixed shaft 13. A circular limiting plate 14 is fixedly installed on one side of the fixed shaft 13, and one side of the rectangular plate 6 is movably abutted against one side of the fixed shaft 13, so as to facilitate the restriction of the pressure plate 3 by the insert plate 5.

[0027] In this embodiment, a groove is provided on the top of the rotating column 4, a telescopic cylinder 10 is fixedly installed in the groove, a telescopic column 11 is slidably inserted inside the telescopic cylinder 10, the top of the telescopic column 11 is fixedly installed on the bottom of the rectangular plate 6, a reset spring 12 is fixedly installed in the groove, and the top of the reset spring 12 is fixedly installed on the bottom of the rectangular plate 6, so that the rectangular plate 6 can be reset by the reset spring 12.

[0028] In this embodiment, a plug board 3 20 is fixedly installed at the bottom of the upper shell 1 , and the outer side of the plug board 3 20 is movably plugged into the interior of the lower shell 2 , so that the upper shell 1 and the lower shell 2 can be connected conveniently through the plug board 3 20 .

[0029] In this embodiment, a second plug plate 19 is fixedly installed on the inner side of the top of the upper shell 1, and the outer side of the second plug plate 19 is movably inserted into the top of the inner liner 17. Handle openings 16 are opened on both sides of the upper shell 1, and a heat dissipation port 21 is provided on the rear side of the upper shell 1, so that the upper shell 1 can be easily separated from the lower shell 2 through the handle openings 16.

[0030] The working principle of the utility model is: when it is necessary to replace the shell and clean the inside of the speaker, first manually pull the rectangular plate 6, thereby driving the plug plate 5 to separate from the fixed axis 13, and then manually rotate the rectangular plate 6, so that the rectangular plate 6 begins to rotate around the hinge axis 23, thereby breaking away from the restriction on the pressure plate 3, and then rotating the pressure plate 3, the pressure plate 3 begins to rotate around the rotating axis 15, thereby driving the latch 8 to begin to separate from the interior of the upper shell 1 and the lower shell 2, after the latch 8 is separated, manually pull the handle 16 upwards to separate the upper shell 1 from the lower shell 2, thereby replacing the upper shell 1 and the lower shell 2 of the speaker, and at the same time the liner 17 can be cleaned, and after completion, the new upper shell 1 and the lower shell 2 are installed by repeating the above operation in the direction.

[0031] The above is a detailed introduction to a thin-walled audio rear shell that is not easily deformed provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A thin-walled acoustic rear shell that is not easily deformed, characterized in that: include: An upper shell (1) and an inner shell (17), wherein a lower shell (2) is arranged directly below the upper shell (1), round shells (22) are fixedly installed on both sides of the upper shell (1), a latch (8) is slidably inserted in the middle of the round shell (22), a round block (7) is fixedly installed at the other end of the two latches (8) close to each other, a return spring (9) is fixedly installed on the right side of the round block (7), the right side of the return spring (9) is fixedly installed inside the round shell (22), a rotating shaft (15) is fixedly installed on the right side of the latch (8), and a pressure plate (3) is rotatably connected to the outer side of the rotating shaft (15), the latch (8) is movably inserted into the interior of the upper shell (1) and the lower shell (2), the lower shell (2) and the upper shell (1) are movably sleeved on the outer side of the inner shell (17), and a plurality of supporting ribs (18) are fixedly installed on the outer side of the inner shell (17).

2. The thin-walled acoustic rear shell that is not easily deformed according to claim 1, characterized in that: A hinge shaft (23) is fixedly installed on the outer side of the pressure plate (3), and a rotating column (4) is rotatably connected to the outer side of the hinge shaft (23). A rectangular plate (6) is slidably connected to the top of the rotating column (4), and a plug plate (5) is fixedly installed in the middle of the bottom of the rectangular plate (6). Fixed shafts (13) are fixedly installed on both sides of the upper shell (1), and the outer side of the plug plate (5) is movably inserted into the inside of the fixed shaft (13). A circular limiting plate (14) is fixedly installed on one side of the fixed shaft (13), and one side of the rectangular plate (6) is movably abutted against one side of the fixed shaft (13).

3. The thin-walled acoustic rear shell that is not easily deformed according to claim 2, characterized in that: The top of the rotating column (4) is provided with a groove, a telescopic cylinder (10) is fixedly installed in the groove, a telescopic column (11) is slidably inserted inside the telescopic cylinder (10), the top of the telescopic column (11) is fixedly installed on the bottom of the rectangular plate (6), a second return spring (12) is fixedly installed in the groove, and the top of the second return spring (12) is fixedly installed on the bottom of the rectangular plate (6).

4. The thin-walled acoustic rear shell that is not easily deformed according to claim 1, characterized in that: A plug-in plate three (20) is fixedly mounted on the bottom of the upper shell (1), and the outer side of the plug-in plate three (20) is movably plugged into the interior of the lower shell (2).

5. The thin-walled acoustic rear housing that is not easily deformed according to claim 1, characterized in that: A second plug plate (19) is fixedly mounted on the inner side of the top of the upper shell (1), and the outer side of the second plug plate (19) is movably plugged into the top of the inner liner (17).

6. The thin-walled acoustic rear housing that is not easily deformed according to claim 1, characterized in that: Handle openings (16) are provided on both sides of the upper shell (1), and a heat dissipation opening (21) is provided on the rear side of the upper shell (1).

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