Double-side welding type silicon microphone

Abstract

The utility model discloses a double-side welding type silicon microphone, which belongs to the technical field of silicon microphones, and comprises a microphone and a silicon microphone, the inner side of the silicon microphone is fixedly connected with two first springs and two guide columns, the outer sides of the two guide columns are connected with guide shells in a sliding manner, the other ends of the two first springs are fixedly connected with moving blocks, and the moving blocks are connected with the guide shells in a sliding manner. The other sides of the two guide shells are fixedly connected to one sides of the corresponding moving blocks respectively, the sides, close to each other, of the two moving blocks are fixedly connected with small balls, the outer sides of the two small balls movably abut against the same large ball, sliding grooves matched with the moving blocks are formed in the bottom of the silicon microphone, clamping grooves matched with the moving blocks are formed in the inner side of the microphone, and the sliding grooves are matched with the clamping grooves. According to the utility model, the structural design is reasonable, through the cooperation of the moving blocks, the large ball, the small ball, the pressing column, the bolt and the flat plate, the silicon microphone and the microphone are convenient to disassemble, and the working efficiency of workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon microphone technical field especially relates to a double-sided welding formula silicon microphone. BACKGROUND

[0002] The double-sided welding formula silicon microphone relates to a novel microphone structure, and its core lies in its double-sided welding function, specifically, the microphone comprises a hard frame, a first circuit board, a second circuit board, a silicon microphone chip and an integrated IC, the design features that it can be welded on an electronic product circuit board by using the first pad structure or the second pad structure respectively, realizes the function that the upper and lower surfaces can be welded, in addition, the microphone can also comprise the first circuit board and the second circuit board, bonding lead wire and other components on the double sides, and the patent document with the publication number CN201369823Y discloses a double-sided welding formula silicon microphone, which comprises a hard frame, a first circuit board, a second circuit board, a silicon microphone chip and an integrated IC, the first circuit board and the second circuit board are respectively sealed on the upper and lower end openings of the hard frame to form a shielding cavity, the first circuit board or the second circuit board has a sound hole communicating inside and outside the shielding cavity, the silicon microphone chip and the integrated IC are located in the shielding cavity and are electrically connected to the inner surface of one of the circuit boards, and the first pad structure is arranged on the outer surface of the first circuit board, the second pad structure is arranged on the outer surface of the second circuit board, the hard frame is provided with a through hole, and the through hole is provided with a metallized hole or a conductive unit connected between the first pad structure and the second pad structure, so that the silicon microphone can be welded on the electronic product circuit board by using the first pad structure or the second pad structure respectively, and realizes the double-sided welding function that the upper and lower surfaces can be welded.

[0003] The connection mode between the silicon microphone and the electronic product in the above technical solution is mainly direct fixation, when the staff needs to disassemble the silicon microphone, it is troublesome, thereby affecting the work efficiency of the staff, therefore we propose a double-sided welding formula silicon microphone to solve the problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a double-sided welding formula silicon microphone to solve the problems in the above background technology.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A double-sided soldered silicon microphone includes: a microphone and a silicon microphone. Two No. 1 springs and two guide posts are fixedly connected to the inner side of the silicon microphone. Guide shells are slidably connected to the outer sides of the two guide posts. Movable blocks are fixedly connected to the other ends of the two No. 1 springs. The other sides of the two guide shells are respectively fixedly connected to one side of the corresponding movable blocks. Small balls are fixedly connected to the sides of the two movable blocks that are close to each other. The outer sides of the two small balls movably abut against the same large ball. A sliding groove adapted to the movable blocks is formed at the bottom of the silicon microphone. A slot adapted to the movable blocks is formed on the inner side of the microphone. The outer sides of the two movable blocks are slidably connected to the sliding groove and movably inserted into the corresponding slot.

[0007] Preferably, a pressing post is fixedly connected to the bottom of the large ball, and multiple rectangular blocks are fixedly connected to the bottom of the silicon microphone. The bottoms of the multiple rectangular blocks are fixedly connected to the same plate, and the pressing post is slidably connected to the inner side of the plate. A fixing block and two spring blocks are fixedly connected to the outer side of the pressing post. A second spring is fixedly connected to the top of each of the two spring blocks, and the other end of each of the two second springs is fixedly connected to the bottom of the silicon microphone. The fixing block is connected to the bottom of the plate by bolts.

[0008] Preferably, a fixed frame is movably inserted into the outside of the microphone, a flexible rod is fixedly connected to the bottom of the fixed frame, a lifting rod is fixedly connected to the bottom of the flexible rod, a screw is threadedly connected to the inside of the lifting rod, a fixed cylinder is fixedly connected to the outside of the lifting rod, a protective shell is rotatably connected to the outside of the screw, a guide strip is fixedly connected to the top of the protective shell, and the guide strip is slidably connected to the inside of the fixed cylinder.

[0009] Preferably, a motor is fixedly connected to the inner wall of the front side of the protective shell, a rotating rod is fixedly connected to the output end of the motor, a worm is fixedly connected to the outer side of the rotating rod, a worm wheel meshes with the outer side of the worm, and the inner side of the worm wheel is fixedly connected to the outer side of the screw.

[0010] Preferably, a base is fixedly connected to the bottom of the protective shell.

[0011] Preferably, a friction pad is fixedly connected to the outside of the microphone, and the microphone and the silicon microphone are electrically connected.

[0012] In this utility model, a double-sided welded silicon microphone is described. By pressing the pressing post, the large ball squeezes the small ball, causing the moving block to move and compress the No. 1 spring until the moving block enters the slot. At this time, the bolt is rotated so that the microphone can be fixed to the silicon microphone. When it is necessary to disassemble the silicon microphone, simply rotate the bolt in the opposite direction so that the large ball no longer abuts against the small ball.

[0013] In this utility model, a double-sided welded silicon microphone is created by extending a spring, causing the moving block to leave the slot. At this point, the microphone and silicon microphone are no longer fixed. A motor can then be used to rotate the worm gear, which in turn rotates the screw, allowing the lifting rod to move vertically.

[0014] This utility model has a reasonable structural design. Through the cooperation between the moving block, large ball, small ball, pressing column, bolt, and plate, it realizes the easy disassembly of the silicon microphone and the microphone, and improves the work efficiency of the staff. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a double-sided welded silicon microphone proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the flat plate and bolt structure proposed in this utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of the large ball, small ball, pressing column, and moving block proposed in this utility model.

[0018] Figure 4 This is a schematic diagram of the moving block and silicon microphone structure proposed in this utility model;

[0019] Figure 5 This is a schematic diagram of the rectangular block and fixed block structure proposed in this utility model;

[0020] Figure 6 for Figure 5 A magnified view of part A in the middle;

[0021] Figure 7 This is a cross-sectional structural diagram of the screw, base, and worm gear proposed in this utility model.

[0022] In the diagram: 1. Microphone; 2. Silicon microphone; 3. Spring No. 1; 4. Guide post; 5. Guide shell; 6. Moving block; 7. Small ball; 8. Large ball; 9. Pressing post; 10. Spring block; 11. Spring No. 2; 12. Rectangular block; 13. Flat plate; 14. Fixing block; 15. Bolt; 16. Friction pad; 17. Fixing frame; 18. Flexible rod; 19. Lifting rod; 20. Fixing cylinder; 21. Protective shell; 22. Screw; 23. Motor; 24. Rotating rod; 25. Worm gear; 26. Worm wheel; 27. Base; 28. Guide strip. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figures 1-7 A double-sided welded silicon microphone includes: a microphone 1 and a silicon microphone 2. Two No. 1 springs 3 and two guide posts 4 are fixedly connected to the inner side of the silicon microphone 2. Guide shells 5 are slidably connected to the outer side of each of the two guide posts 4. Movable blocks 6 are fixedly connected to the other ends of the two No. 1 springs 3. The other side of each of the two guide shells 5 is fixedly connected to one side of the corresponding movable block 6. Small balls 7 are fixedly connected to the side of each of the two movable blocks 6 that are close to each other. The outer side of each of the two small balls 7 is movably abutting against the same large ball 8. A sliding groove adapted to the movable block 6 is opened at the bottom of the silicon microphone 2. A slot adapted to the movable block 6 is opened on the inner side of the microphone 1. The outer side of each of the two movable blocks 6 is slidably connected in the sliding groove and movably inserted into the corresponding slot.

[0025] In this embodiment, a pressing post 9 is fixedly connected to the bottom of the large ball 8, and multiple rectangular blocks 12 are fixedly connected to the bottom of the silicon microphone 2. The bottom of the multiple rectangular blocks 12 is fixedly connected to the same plate 13, and the pressing post 9 is slidably connected to the inner side of the plate 13. A fixing block 14 and two spring blocks 10 are fixedly connected to the outer side of the pressing post 9. A second spring 11 is fixedly connected to the top of each of the two spring blocks 10. The other end of each of the two second springs 11 is fixedly connected to the bottom of the silicon microphone 2. The fixing block 14 is threadedly connected to the bottom of the plate 13 by bolts 15. A fixing frame 17 is movably inserted into the outer side of the microphone 1. A flexible rod 18 is fixedly connected to the bottom of the fixing frame 17. A lifting rod 19 is fixedly connected to the bottom of the flexible rod 18. A screw 22 is threadedly connected to the inner side of the lifting rod 19, and a fixing cylinder 20 is fixedly connected to the outer side of the lifting rod 19. A protective shell 21 is rotatably connected to the outer side of the screw 22, and a guide strip 28 is fixedly connected to the top of the protective shell 21. The outer side of the guide strip 28 is slidably connected to the inner side of the fixing cylinder 20, so that the lifting rod 19 moves more stably.

[0026] In this embodiment, a motor 23 is fixedly connected to the inner wall of the front side of the protective shell 21. A rotating rod 24 is fixedly connected to the output end of the motor 23. A worm gear 25 is fixedly connected to the outer side of the rotating rod 24. A worm wheel 26 meshes with the outer side of the worm gear 25. The inner side of the worm wheel 26 is fixedly connected to the outer side of the screw 22. A friction pad 16 is fixedly connected to the outer side of the microphone 1. The microphone 1 and the silicon microphone 2 are electrically connected. A base 27 is fixedly connected to the bottom of the protective shell 21, which can support the entire device.

[0027] In this embodiment, during use, pressing the pressing post 9 causes the large ball 8 to squeeze the small ball 7, causing the moving block 6 to move and compress the first spring 3 until the moving block 6 enters the slot. At this time, rotating the bolt 15 allows the microphone 1 to be fixed to the silicon microphone 2. When it is necessary to disassemble the silicon microphone 2, simply rotate the bolt 15 in the opposite direction so that the large ball 8 no longer abuts against the small ball 7. At this time, the first spring 3 begins to extend, causing the moving block 6 to leave the slot. This releases the fixation between the microphone 1 and the silicon microphone 2. The motor 23 can then drive the rotating rod 24 to rotate the worm gear 25, thereby causing the worm wheel 26 to drive the screw 22 to rotate, allowing the lifting rod 19 to move vertically.

[0028] The above provides a detailed description of a double-sided soldered silicon microphone provided by this utility model. Specific embodiments have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A double-sided soldered silicon microphone, characterized in that, include: Microphone (1) and silicon microphone (2). The silicon microphone (2) is fixedly connected to two No. 1 springs (3) and two guide posts (4) on its inner side. The guide posts (4) are slidably connected to guide shells (5) on their outer sides. The other ends of the two No. 1 springs (3) are fixedly connected to moving blocks (6). The other sides of the two guide shells (5) are respectively fixedly connected to one side of the corresponding moving blocks (6). The two moving blocks (6) are fixedly connected to small balls (7) on their sides that are close to each other. The outer sides of the two small balls (7) are movably abutting against the same large ball (8). The bottom of the silicon microphone (2) is provided with a sliding groove that matches the moving blocks (6). The inner side of the microphone (1) is provided with a slot that matches the moving blocks (6). The outer sides of the two moving blocks (6) are slidably connected in the sliding groove. The outer sides of the two moving blocks (6) are movably inserted into the corresponding slots.

2. The double-sided soldered silicon microphone according to claim 1, characterized in that, The bottom of the large ball (8) is fixedly connected to a pressing post (9), the bottom of the silicon microphone (2) is fixedly connected to multiple rectangular blocks (12), the bottom of the multiple rectangular blocks (12) is fixedly connected to the same plate (13), and the pressing post (9) is slidably connected to the inner side of the plate (13). The outer side of the pressing post (9) is fixedly connected to a fixing block (14) and two spring blocks (10). The top of each of the two spring blocks (10) is fixedly connected to a second spring (11), and the other end of each of the two second springs (11) is fixedly connected to the bottom of the silicon microphone (2). The fixing block (14) is threadedly connected to the bottom of the plate (13) by bolts (15).

3. A double-sided soldered silicon microphone according to claim 1, characterized in that, A fixed frame (17) is movably inserted into the outside of the microphone (1). A flexible rod (18) is fixedly connected to the bottom of the fixed frame (17). A lifting rod (19) is fixedly connected to the bottom of the flexible rod (18). A screw (22) is threadedly connected to the inside of the lifting rod (19). A fixed cylinder (20) is fixedly connected to the outside of the lifting rod (19). A protective shell (21) is rotatably connected to the outside of the screw (22). A guide strip (28) is fixedly connected to the top of the protective shell (21). The guide strip (28) is slidably connected to the inside of the fixed cylinder (20).

4. A double-sided soldered silicon microphone according to claim 3, characterized in that, A motor (23) is fixedly connected to the inner wall of the front side of the protective shell (21). A rotating rod (24) is fixedly connected to the output end of the motor (23). A worm (25) is fixedly connected to the outer side of the rotating rod (24). A worm wheel (26) meshes with the outer side of the worm (25), and the inner side of the worm wheel (26) is fixedly connected to the outer side of the screw (22).

5. A double-sided soldered silicon microphone according to claim 3, characterized in that, The bottom of the protective shell (21) is fixedly connected to a base (27).

6. A double-sided soldered silicon microphone according to claim 1, characterized in that, A friction pad (16) is fixedly connected to the outside of the microphone (1), and the microphone (1) and the silicon microphone (2) are electrically connected.

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