CN215187268U

CN215187268U - Microphone

Info

Publication number: CN215187268U
Application number: CN202121265860.XU
Authority: CN
Inventors: 王鹏; 李亮; 周郡; 乔琼
Original assignee: Jiusheng Tangshan Technology Co ltd
Current assignee: Jiusheng Tangshan Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-14
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a microphone relates to audio frequency electronic equipment's field, including bobbin casing and the sound head of setting in the bobbin casing, be provided with the fixed plate in the bobbin casing, be fixed with sound head array subassembly on one side lateral wall of fixed plate, be connected with at least one sound head on the sound head array subassembly, sound head array subassembly is fixed with two branches, two including fixing the connecting plate on the fixed plate on the connecting plate set up the groove that slides that extends along branch length direction on the lateral wall that branch is close to mutually, still includes the sound head support, and the sound head support is including the cylinder shell that is used for joint sound head and fix two fixture blocks about shell centre of a circle symmetry on the shell, and the fixture block inserts the groove that slides and locks. The method and the device have the advantages that manufacturing cost is reduced, and the sound pickup effect of the conference microphone is improved.

Description

Microphone

Technical Field

The present application relates to the field of audio electronic devices, and more particularly, to a microphone.

Background

The microphone array is a system consisting of a certain number of microphones and used for sampling and filtering the spatial characteristics of a sound field. The microphone array includes a line array in which a plurality of microphones are arranged in a line in a layout shape. Different sound pickup effects can be obtained by changing the characteristics of the microphone arrays, such as the number, the spacing and the like of the microphones, so that the proper microphone arrays can be selected in different use occasions to obtain the most suitable sound pickup effect.

In view of the above-described related art, the inventors have considered that a microphone array needs to be composed of a plurality of microphones, and the cost of providing the microphone array is high.

SUMMERY OF THE UTILITY MODEL

In order to reduce the cost of manufacturing a microphone array and improve the sound pickup effect of a microphone, the application provides the microphone.

The application provides a microphone, adopts following technical scheme:

the utility model provides a microphone, includes the bobbin casing and sets up the sound head in the bobbin casing, is provided with the fixed plate in the bobbin casing, be fixed with sound head array subassembly on one side lateral wall of fixed plate, be connected with at least one sound head on the sound head array subassembly, sound head array subassembly is fixed with two branches, two on the connecting plate set up the groove of sliding that extends along branch length direction on the lateral wall that one side that branch is close to mutually, still includes the sound head support, and the sound head support is including the cylinder shell that is used for joint sound head and fix two fixture blocks about shell centre of a circle symmetry on the shell, and the fixture block inserts the groove of sliding and locks.

Through adopting above-mentioned technical scheme, when changing the position of sound head support, along the groove slip fixture block that slides, make the sound head support slide along the support frame to confirm the position of sound head support after, with the fixture block locking in the groove that slides, the sound head support is spacing in two spinal branch poles and the position is locked, improves the stability of sound head support joint. According to the use scene of microphone promptly, select suitable pickup effect, confirm the sound head number of installing on sound head array subassembly, adjust the interval between two adjacent sound heads as required, consequently can obtain various microphones that have different pickup effects to need not to reset microphone inner structure according to use scene and pickup effect, realize integrative multi-purpose, the operation is convenient, practices thrift the fund, improves economic benefits.

Optionally, four sound head supports are provided.

Optionally, the distance between two adjacent sound head supports is multiple.

Optionally, the clamping block is a rectangular block, two sets of locking slots are formed in the side wall, close to the support rod, of one side, inserting pieces are inserted into the locking slots, the extending direction of the locking slots is perpendicular to the length extending direction of the sliding slots, and the clamping block is tightly abutted between the two inserting pieces in each set.

Through adopting above-mentioned technical scheme, the inserted sheet locks the fixture block in the inslot that slides, and the position of sound head support is fixed promptly, and the equipment is convenient swift.

Optionally, the side wall of one side, close to the two support rods, is an arc-shaped surface, and the shell is tightly attached to the arc-shaped surface.

Through adopting above-mentioned technical scheme, after the sound head support mounting between two branches, the shell pastes tight branch lateral wall, improves the stability of sound head support.

Optionally, the sound head array assembly further comprises an end frame fixed on one end of the support rod far away from the connecting plate, the end frame comprises a circular ring frame, the end frame is close to the connecting plate and provided with a mounting groove, the support rod is inserted into the mounting groove, one side of the ring frame, which deviates from the connecting plate, is in threaded connection with a locking screw extending into the mounting groove, and the locking screw is screwed into the support rod.

Through adopting above-mentioned technical scheme, after branch inserted the mounting groove, locking screw was fixed end frame and branch, improved the stability of branch, reduced the possibility that branch rocked, and then improved the stability of sound head support.

Optionally, the cartridge case includes a head cover provided with a plurality of rows of sound inlet holes, and an end cover also provided with sound inlet holes is provided at an end of the head cover.

By adopting the technical scheme, sound can enter the barrel shell through the sound inlet hole, so that the sound head can receive the sound.

Optionally, a support rod is fixed in the center of the ring frame, a clamping groove is formed in one surface, facing the end cover, of the support rod, a convex buckle is fixed on one surface, close to the fixed plate, of the end cover, and the buckle is connected with the clamping groove in an inserting mode.

Through adopting above-mentioned technical scheme, when fixed end cover, the end frame can be used to support the end cover, improves the stability of end cover.

Optionally, the barrel casing comprises a head cover provided with a plurality of rows of sound inlet holes, a side net used for shielding the sound inlet holes is fixed on the inner wall of the head cover, and an end net used for shielding the sound inlet holes is fixed on the back of the end cover.

By adopting the technical scheme, the side net and the end net can both reduce dust entering the cavity.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the using scene of the microphone, selecting a proper sound pickup effect, determining the number of the sound heads arranged on the sound head array assembly, and adjusting the distance between two adjacent sound heads according to the requirement, so that various microphones with different sound pickup effects can be obtained, and the internal structure of the microphone does not need to be reset according to the using scene and the sound pickup effect, so that the integrated multiple purposes are realized, the operation is convenient, the fund is saved, and the economic benefit is improved;

2. the clamping block slides along the sliding groove, so that the sound head bracket slides along the supporting frame, the clamping block is locked in the sliding groove after the position of the sound head bracket is determined, the sound head bracket is limited in the two support rods, and the position of the sound head bracket is locked, so that the clamping stability of the sound head bracket is improved.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a sectional view of the inner structure of the cartridge case of the present application;

FIG. 3 is a schematic structural diagram of a support for a sound head according to the present application;

FIG. 4 is a schematic structural view of a strut of the present application;

FIG. 5 is an exploded view of the sonic head array assembly of the present application;

figure 6 is an exploded view of the present application with the strut plugged into the end frame.

Description of reference numerals: 1. a base; 2. a pillar; 3. a support; 4. a cartridge housing; 41. a head cover; 411. a fixing plate; 412. inserting a rod; 413. a cavity; 414. a groove; 415. a screw; 42. a rear housing; 421. inserting the column; 43. an end cap; 431. buckling; 5. a sound inlet hole; 6. a sound head array assembly; 61. a sound head; 62. a sound head support; 621. a housing; 622. a clamping block; 623. a limiting plate; 63. a connecting frame; 631. a connecting plate; 632. a strut; 6321. a sliding groove; 6322. locking the slot; 633. an end frame; 6331. a ring frame; 6332. a stay bar; 6333. mounting grooves; 6334. a locking screw; 6335. a card slot; 64. inserting sheets; 7. threading holes; 8. a side net; 9. and (4) end net.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a microphone. Referring to fig. 1, the microphone includes a base 1, a pillar 2 is fixed on the base 1, one end of the pillar 2 far away from the base 1 is connected with a bracket 3, and one end of the bracket 3 far away from the base 1 is fixed with a cylindrical shell 4. The bracket 3 is rotated to adjust the angle of the microphone.

Referring to fig. 2, the cartridge case 4 includes a head case 41 and a rear case 42 which are inserted, and the head case 41 and the rear case 42 are cylindrical. A fixing plate 411 is fixed at one end of the head housing 41 close to the rear case 42, and an end cover 43 is provided at one end of the head housing 41 far from the fixing plate 411. An inserting column 421 is fixed in the rear housing 42, one end of the inserting column 421 close to the fixing plate 411 is provided with an inward concave inserting groove, and one side of the fixing plate 411 far away from the end cover 43 is fixed with an inserting rod 412. When the nose cap 41 and the rear case 42 are fixed together, the insertion rod 412 is aligned with the insertion post 421, and then the insertion rod 412 is inserted into the insertion groove and tightened.

A cavity 413 is formed among the head housing 41, the fixing plate 411 and the end cap 43. A plurality of rows of sound inlet holes 5 are uniformly distributed on the side wall of the head cover 41, and the end cover 43 is also provided with the sound inlet holes 5, so that sound can enter the cavity 413 through the sound inlet holes 5, and sound waves are received by the sound head 61. A sound head array unit 6 composed of a plurality of sound heads 61 is provided in the cavity 413. The sound head array module 6 includes a sound head holder 62 for holding the sound head 61 and a connecting holder 63 for holding the sound head holder 62.

Referring to fig. 3, the sound head holder 62 includes a cylindrical housing 621, and two rectangular latch 622 are fixed to an outer wall of the housing 621, and the two latch 622 are symmetrically arranged with respect to an axis of the housing 621. An annular limiting plate 623 is fixed to each of the two end faces of the housing 621, and the limiting plates 623 extend in the axial direction of the housing 621. The sound head holder 62 is made of rubber, and thus can be deformed. The sound head 61 pushes away the limiting plate 623 from the side of the housing 621, and then plugs into the housing 621, and after the side wall of the sound head 61 is tightly attached to the inner wall of the housing 621, the limiting plate 623 restores to the original position and is close to the front end and the rear end of the sound head 61, so that the sound head 61 is stably limited in the housing 621.

Referring to fig. 4 and 5, the connecting frame 63 includes a connecting plate 631 fixed to the fixing plate 411, one supporting rod 632 fixed to each end of the connecting plate 631 on the same plane, and an end frame 633 fixed to an end of the supporting rod 632 remote from the connecting plate 631.

Referring to fig. 2 and 4, a groove 414 is formed on the side wall of the fixing plate 411 adjacent to the end cap 43, a connecting plate 631 is inserted into the groove 414, a screw 415 screwed on the fixing plate 411 is screwed to the connecting plate 631, and the connecting frame 63 is stably installed in the cavity 413. A thread hole 7 is formed through the center of the connecting plate 631, and a thread hole 7 is also formed through the center of the fixing plate 411, so that the wires connected to the sound head 61 sequentially pass through the two thread holes 7.

Referring to fig. 4 and 5, the two opposite side walls of the two support rods 632 are both provided with sliding grooves 6321, the sliding grooves 6321 extend along the length direction of the support rods 632, and the opposite side walls of the two support rods 632 are arc-shaped surfaces. Two fixture blocks 622 on the sound head bracket 62 are fixed in one-to-one correspondence with the two support rods 632, the fixture blocks 622 slide into the sliding grooves 6321 from the end portions of the support rods 632 so as to slide between the two support rods 632, the fixture blocks 622 are rectangular blocks, the fixture blocks 622 are limited in the sliding grooves 6321, and the possibility of rotation and shaking is reduced.

Referring to fig. 4 and 5, a plurality of sets of locking slots 6322 are further formed on the opposite side walls of the two struts 632, and the extending direction of the locking slots 6322 is perpendicular to the length extending direction of the sliding slots 6321. The distance between the two locking slots 6322 in each set is equal to the width of the latch 622. The distance between the locking slots 6322 of two adjacent groups is multiple, that is, the distance between the locking slots 6322 is 1:2: 4. An insertion sheet 64 is inserted into each locking slot 6322, after the latch 622 slides between two locking slots 6322, the insertion sheet 64 is inserted into the locking slot 6322, the insertion sheet 64 abuts against the side wall of the latch 622, that is, the latch 622 is limited between two insertion sheets 64, so that the sound head 61 is fixed on the connecting frame 63.

When the sound head support 62 with the sound heads 61 is installed, the sound head supports 62 with the sound heads 61 are sequentially slid into the support rod 632, after each sound head support 62 is fixed on the support rod 632, the distance between two adjacent sound heads 61 is set in multiple, and the sound heads 61 are connected. For example, in the present application, the sound heads 61 are four, and therefore, the pitches between the sound heads 61 are 1mm, 2mm, and 4mm in order along the direction from the end cap 43 to the fixing plate 411.

Referring to fig. 5 and 6, the end frame 633 comprises a circular ring frame 6331, a stay 6332 is fixed at the center of the ring frame 6331, and a gap is formed between the stay 6332 and the ring frame 6331. In order to stabilize the supporting rod 632, two installation slots 6333 are formed at one end of the ring holder 6331 close to the connecting plate 631, and the end of the supporting rod 632 far from the connecting plate 631 is inserted into the installation slot 6333. A locking screw 6334 is screwed on a surface of the ring frame 6331 away from the connecting plate 631, the locking screw 6334 extends into the mounting groove 6333 and is screwed into the supporting rod 632, and the end frame 633 further improves the stability of the supporting rod 632, reduces the shake of the supporting rod 632, and therefore improves the stability of the sound head 61.

Referring to fig. 2 and 5, the end cap 43 has a thicker thickness in the central region, a catch 431 is provided on the back of the end cap 43, a plurality of catching grooves 6335 are provided on the side of the stay 6332 away from the connecting plate 631, and when the end cap 43 is fixed, the catch 431 is aligned with the catching grooves 6335, so that the catch 431 is inserted into the catching grooves 6335, and the end cap 43 is adhered to the inner wall of the head cap 41.

Referring to fig. 2, a side net 8 for shielding the sound inlet holes 5 is fixed on the inner wall of the head cap 41, and an end net 9 for shielding the sound inlet holes 5 is fixed on the back of the end cap 43, and both the side net 8 and the end net 9 can reduce dust entering the cavity 413.

The implementation principle of the microphone in the embodiment of the application is as follows: when assembling the microphone, the side net 8 is first fixed to the inner wall of the head case 41. Then, the sound head 61 is mounted on the sound head holder 62, and then the plurality of sound head holders 62 are sequentially pushed into the space between the two support bars 632 from the end portions of the support bars 632, the latch 622 slides in the sliding groove 6321, the latch 622 is stopped between two adjacent locking slots 6322, and then the insertion piece 64 is inserted into the locking slot 6322, and the latch 622 is locked in the sliding groove 6321.

The wires of the sound head 61 are sequentially passed through the connecting plate 631 and the threading holes of the fixing plate 411, and then the connecting plate 631 is inserted into the groove 414 and fixed by the screw 415.

The post 632 is then inserted into the mounting slot 6333, and the locking screw 6334 is tightened onto the ring holder 6331 and into the post 632. Finally, the end net 9 is installed on the back of the end cover 43, the buckle 431 is inserted into the clamping groove 6335, and the end cover 43 and the head cover 41 are fixedly bonded.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a microphone, includes cartridge case (4) and sets up sound head (61) in cartridge case (4), is provided with fixed plate (411) in cartridge case (4), its characterized in that: be fixed with sound head array subassembly (6) on one side lateral wall of fixed plate (411), be connected with at least one sound head (61) on sound head array subassembly (6), sound head array subassembly (6) are including fixing connecting plate (631) on fixed plate (411), are fixed with two branch (632) on connecting plate (631), two set up along slide groove (6321) that branch (632) length direction extends on the lateral wall that one side that branch (632) are close to mutually, still include sound head support (3), sound head support (3) are including being used for cylinder shell (621) of joint sound head (61) and fixing two on shell (621) about shell (621) centre of a circle symmetrical fixture block (622), fixture block (622) insert slide groove (6321) and lock.

2. A microphone according to claim 1, wherein: the number of the sound head supports (3) is four.

3. A microphone according to claim 2, wherein: the distance between two adjacent sound head supports (3) is multiple.

4. A microphone according to claim 1, wherein: the fixture block (622) is a rectangular block, a plurality of groups of locking slots (6322) are formed in the side wall, close to the support rod (632), of the side wall, inserting pieces (64) are inserted into the locking slots (6322), the extending direction of the locking slots (6322) is perpendicular to the length extending direction of the sliding slots (6321), and the fixture block (622) abuts between the two inserting pieces (64) in each group.

5. A microphone according to claim 1, wherein: the side wall of one side, close to the two support rods (632), is an arc-shaped surface, and the shell (621) is tightly attached to the arc-shaped surface.

6. A microphone according to claim 1, wherein: the sound head array component (6) is still including fixing end frame (633) of keeping away from connecting plate (631) one end in branch (632), end frame (633) is including annular ring frame (6331), mounting groove (6333) have been seted up to one end that ring frame (6331) are close to connecting plate (631), branch (632) insert mounting groove (6333), one side threaded connection that ring frame (6331) deviates from connecting plate (631) has locking screw (6334) that stretches into mounting groove (6333), locking screw (6334) are screwed into branch (632).

7. A microphone according to claim 6, wherein: the barrel shell (4) comprises a head cover (41) provided with a plurality of rows of sound inlet holes (5), and an end cover (43) with the sound inlet holes (5) is arranged at the end part of the head cover (41).

8. A microphone according to claim 7, wherein: the ring frame (6331) center is fixed with vaulting pole (6332), vaulting pole (6332) face the one side of end cover (43) is provided with draw-in groove (6335), and end cover (43) is close to the one side of fixed plate (411) and is fixed with convex buckle (431), and buckle (431) are pegged graft with draw-in groove (6335).

9. A microphone according to claim 7, wherein: the barrel shell (4) comprises a head cover (41) provided with a plurality of rows of sound inlet holes (5), a side net (8) used for shielding the sound inlet holes (5) is fixed on the inner wall of the head cover (41), and an end net (9) used for shielding the sound inlet holes (5) is fixed on the back of an end cover (43).