Interchangeable electret conference microphone

Abstract

The utility model relates to the technical field of microphones, in particular to an interchangeable electret conference microphone, which comprises a base. A connecting column is fixed to the top of the base, a mounting groove is formed in the top of the connecting column, a connecting piece is mounted in the mounting groove, and a fixing block is fixed to the outer wall of the connecting piece; a fixing groove is formed in the top of the fixing block, and a fixing assembly and a conference microphone body are arranged in the fixing groove; the fixing assembly is used for fixing the conference microphone body; the conference microphone body comprises a pickup part; the outer wall of the pickup part is connected with a connecting ring, and one end of the connecting ring is provided with a gauze element; a cotton cloth body is placed in the connecting ring, one end of the cotton cloth body abuts against the gauze element, and the other end of the cotton cloth body abuts against the pickup portion, the conference microphone body is fixed well, the first fixing strip and the second fixing strip are not prone to being broken when the conference microphone body is fixed, and the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model relates to a microphone technical field, concretely is a kind of interchangeable electret conference microphone. BACKGROUND

[0002] Microphone, also known as microphone, microphone, is a kind of sensor that converts sound waves into electrical signals, is the core component in modern audio and communication system, conference microphone is generally divided into integrated microphone and interchangeable microphone from structural form, China patent network discloses a kind of interchangeable electret conference microphone, and the publication number is CN221531630U, although adjustable resistance network is increased in microphone pickup part, the resistance value affects the gain of common-source amplification circuit consisting of self-bias voltage junction field effect transistor, in turn changes the sensitivity attribute of pickup part under the condition of given power supply voltage. The sensitivity of interchangeable electret conference microphone has excellent consistency, but according to the background technology of contrast document, the existing conference microphone is composed of base and pickup part, and the pickup part is often clamped on the base, and the base is usually made of plastic material, long time uses, and the clamping part of base and pickup part is prone to break, thereby affecting the overall service life.

[0003] Therefore, an interchangeable electret conference microphone is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an interchangeable electret conference microphone.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An interchangeable electret conference microphone comprises:

[0007] A base;

[0008] A connecting column is fixed on the top of the base, an installation slot is formed on the top of the connecting column, a connecting piece is installed in the installation slot, and a fixed block is fixed on the outer wall of the connecting piece;

[0009] A fixed groove is formed on the top of the fixed block, a fixed assembly and a conference microphone body are arranged in the fixed groove;

[0010] The fixed assembly is used for fixing the conference microphone body;

[0011] The conference microphone body comprises a pickup part, a connecting ring is connected to the outer wall of the pickup part, and a gauze screen is installed at one end of the connecting ring.

[0012] A cotton cloth body is placed in the connecting ring, one end of the cotton cloth body abuts against the gauze screen, and the other end of the cotton cloth body abuts against the pickup part.

[0013] Preferably, the fixing assembly includes a first fixing bar and a second fixing bar arranged inside the fixing groove, and the conference microphone body is arranged between the first fixing bar and the second fixing bar.

[0014] Preferably, the first fixing bar is fixed to an inner wall of one side of the fixing groove, the second fixing bar is movably arranged inside the fixing groove, a threaded hole connected to the fixing groove is opened on the right outer wall of the fixing block, a threaded rod is threadedly connected to the threaded hole, a first rotating part is fixed to one end of the threaded rod, and the other end of the threaded rod is rotatably connected to the second fixing bar.

[0015] Preferably, a through hole communicating with the fixing groove is formed on the right outer wall of the fixing block, and a limiting rod movably arranged inside the through hole is fixed to the outer wall of the second fixing strip.

[0016] Preferably, the cotton cloth body is composed of a first cotton cloth strip and a second cotton cloth strip.

[0017] Preferably, the outer wall of the sound pickup portion is provided with an external thread, the inner wall of the connecting ring is provided with an internal thread, and the connecting ring is threadably connected to the outer wall of the sound pickup portion through the internal thread and the external thread.

[0018] Preferably, a second rotating member is fixed to the outer wall of the connecting ring.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The present invention places the conference microphone body between the first fixing bar and the second fixing bar, and then rotates the threaded rod through the first rotating member. At this time, the threaded rod will move in the threaded hole, and when the threaded rod moves, it will drive the second fixing bar to move. After the second fixing bar and the first fixing bar abut against the conference microphone body, the conference microphone body can be clamped and fixed. When the conference microphone body is disassembled, it is only necessary to rotate the threaded rod through the first rotating member, and the threaded rod will drive the second fixing bar to move. After the second fixing bar is no longer abutted against the conference microphone body, the conference microphone body can be disassembled. Compared with the existing ones, the present invention has a better fixing effect on the conference microphone body, and the first fixing bar and the second fixing bar are not easy to break when fixing the conference microphone body, and the service life is longer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a partial structural diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the cotton cloth structure in the present utility model;

[0024] Figure 4 It is fixed assembly structure schematic view in the utility model.

[0025] In the drawing: 1, base; 2, connecting column; 3, installation slot; 4, connecting piece; 5, fixed block; 6, fixed slot; 7, conference microphone body; 8, sound pickup part; 9, connecting ring; 10, gauze; 11, cotton cloth body; 1101, first cotton cloth strip; 1102, second cotton cloth strip; 12, second rotating piece; 13, first fixed strip; 14, second fixed strip; 15, perforation; 16, limiting rod; 17, screw hole; 18, threaded rod; 19, first rotating piece. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the drawings in the specification and specific embodiments. Embodiment 1

[0028] Please refer to Figure 1 , 4The utility model provides a technical scheme: for realizing above -mentioned purpose, the utility model provides following technical scheme: a kind of interchangeable electret conference microphone, comprising: base 1;Base 1 top is fixed with connecting column 2, connecting column 2 top is equipped with installation slot 3, connecting piece 4 is installed in installation slot 3, and connecting piece 4 outer wall is fixed with fixed block 5;Fixed block 5 top is equipped with fixed slot 6, and fixed slot 6 is provided with fixed assembly, conference microphone body 7;Fixed assembly is used to fix conference microphone body 7;Conference microphone body 7 includes pickup portion 8, and the outer wall of pickup portion 8 is connected with connecting ring 9, and connecting ring 9 one end is installed with gauze 10;Connecting ring 9 inside is placed with cotton cloth body 11, and cotton cloth body 11 one end is in abutment with gauze 10, and cotton cloth body 11 other end is in abutment with pickup portion 8, and fixed assembly includes the first fixed strip 13 of being arranged in the inside of fixed slot 6, second fixed strip 14, and conference microphone body 7 is located between the first fixed strip 13, second fixed strip 14, and the first fixed strip 13 is fixed in the inside wall of fixed slot 6, and second fixed strip 14 is movably arranged in the inside of fixed slot 6, and the outer wall of fixed block 5 right side is equipped with the threaded hole 17 being connected with fixed slot 6, and the threaded hole 17 is screw-threaded with threaded rod 18, and threaded rod 18 one end is fixed with first rotating part 19, and threaded rod 18 other end is rotatably connected with second fixed strip 14, and the outer wall of fixed block 5 right side is equipped with the perforation 15 being connected with fixed slot 6, and the outer wall of second fixed strip 14 is fixed with the limit rod 16 movably arranged in the inside of perforation 15.

[0029] Specifically, the utility model places conference microphone body 7 between the first fixed strip 13 and the second fixed strip 14, then rotates threaded rod 18 through first rotating part 19, at this time, threaded rod 18 moves in threaded hole 17, when threaded rod 18 moves, it drives second fixed strip 14 to move, after second fixed strip 14 and the first fixed strip 13 abut with conference microphone body 7, conference microphone body 7 can be clamped and fixed, when conference microphone body 7 is disassembled, only need to rotate threaded rod 18 through first rotating part 19, threaded rod 18 drives second fixed strip 14 to move, after second fixed strip 14 does not abut with conference microphone body 7, conference microphone body 7 can be disassembled, compared with the prior art, the utility model has better fixing effect on conference microphone body 7, and the first fixed strip 13 and the second fixed strip 14 are not easy to break when fixing conference microphone body 7, and have long service life.

[0030] It should be noted that the components inside base 1 and pickup portion 8 in the embodiment are disclosed in the prior art, and will not be described herein. Embodiment 2

[0031] Please refer to Figures 1-3The utility model provides a technical scheme: a kind of interchangeable electret conference microphone, cotton cloth body 11 is constituted by first cotton cloth strip 1101, second cotton cloth strip 1102, pickup portion 8 outer wall is provided with outer thread, connecting ring 9 inner wall is provided with inner thread, connecting ring 9 is connected in the outer wall of pickup portion 8 by inner thread cooperation outer thread thread, second rotating element 12 is fixed on the outer wall of connecting ring 9.

[0032] Specifically, since cotton cloth body 11 is constituted by first cotton cloth strip 1101 and second cotton cloth strip 1102, the dustproof and moisture-proof performance of cotton cloth body 11 can be improved under the cooperation of first cotton cloth strip 1101 and second cotton cloth strip 1102.

[0033] Since connecting ring 9 is connected in the outer wall of pickup portion 8 by inner thread cooperation outer thread thread, connecting ring 9 can be disassembled by reversing the rotation of second rotating element 12 along the thread connection direction of inner thread and outer thread, so that connecting ring 9, gauze 10 and cotton cloth body 11 can be cleaned conveniently.

[0034] Working principle:

[0035] By placing conference microphone body 7 between first fixed strip 13 and second fixed strip 14, and then rotating threaded rod 18 by first rotating element 19, threaded rod 18 will move in threaded hole 17, and second fixed strip 14 will be moved when threaded rod 18 moves. After second fixed strip 14 and first fixed strip 13 abut against conference microphone body 7, conference microphone body 7 can be clamped and fixed. When conference microphone body 7 is disassembled, only need to rotate threaded rod 18 by first rotating element 19, and second fixed strip 14 will be moved by threaded rod 18. After second fixed strip 14 and conference microphone body 7 are not in abutment, conference microphone body 7 can be disassembled.

[0036] Since cotton cloth body 11 is constituted by first cotton cloth strip 1101 and second cotton cloth strip 1102, the dustproof and moisture-proof performance of cotton cloth body 11 can be improved under the cooperation of first cotton cloth strip 1101 and second cotton cloth strip 1102.

[0037] Since the connecting ring 9 is connected with the outer wall of the sound pickup part 8 through the internal thread and external thread, the connecting ring 9 can be disassembled by rotating the second rotating part 12 in the reverse direction of the thread connection direction of the internal thread and external thread, so that the connecting ring 9, the screen 10 and the cotton body 11 can be cleaned conveniently, and the traditional microphone cotton cover is sleeved with the elastic band on the head of the microphone, the performance of the elastic band is weakened after long-term use, the stability of the cotton cover is affected, and the service life is short, but the cotton body 11 is fixed by the thread connection mode, the stability is high, and the service life is long.

[0038] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An interchangeable electret conference microphone, characterized by, Include: Base (1); The top of the base (1) is fixed with a connecting column (2), the top of the connecting column (2) is provided with a mounting groove (3), the mounting groove (3) is provided with a connecting piece (4), the outer wall of the connecting piece (4) is fixed with a fixed block (5); The top of the fixed block (5) is provided with a fixed groove (6), and the fixed groove (6) is provided with a fixed assembly, a conference microphone body (7); The fixed assembly is used for fixing the conference microphone body (7); The conference microphone body (7) includes a pickup part (8), the outer wall of the pickup part (8) is connected with a connecting ring (9), one end of the connecting ring (9) is provided with a gauze (10); The connecting ring (9) is placed with a cotton cloth body (11), one end of the cotton cloth body (11) abuts against the gauze (10), and the other end of the cotton cloth body (11) abuts against the pickup part (8).

2. An interchangeable electret conference microphone according to claim 1, characterized in that The fixed assembly includes a first fixed strip (13) and a second fixed strip (14) arranged in the fixed groove (6), and the conference microphone body (7) is arranged between the first fixed strip (13) and the second fixed strip (14).

3. An interchangeable electret conference microphone according to claim 2, wherein, The first fixed strip (13) is fixed to the inner wall of one side of the fixed groove (6), the second fixed strip (14) is movably arranged in the fixed groove (6), the right outer wall of the fixed block (5) is provided with a threaded hole (17) communicated with the fixed groove (6), the threaded hole (17) is threadedly connected with a threaded rod (18), one end of the threaded rod (18) is fixed with a first rotating piece (19), and the other end of the threaded rod (18) is rotatably connected with the second fixed strip (14).

4. An interchangeable electret conference microphone according to claim 3, wherein, The right outer wall of the fixed block (5) is provided with a through hole (15) communicated with the fixed groove (6), and the outer wall of the second fixed strip (14) is fixed with a limiting rod (16) movably arranged in the through hole (15).

5. An interchangeable electret conference microphone according to claim 1, wherein, The cotton cloth body (11) is composed of a first cotton cloth strip (1101) and a second cotton cloth strip (1102).

6. An interchangeable electret conference microphone according to claim 1, wherein, The outer wall of the pickup part (8) is provided with external threads, the inner wall of the connecting ring (9) is provided with internal threads, and the connecting ring (9) is threadedly connected to the outer wall of the pickup part (8) through the internal threads matched with the external threads.

7. An interchangeable electret conference microphone according to claim 6, wherein, The outer wall of the connecting ring (9) is fixed with a second rotating piece (12).

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