CN210469667U

CN210469667U - Electret capacitive detachable microphone

Info

Publication number: CN210469667U
Application number: CN201921840450.6U
Authority: CN
Inventors: 阙海凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-05
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to an electrical auxiliary equipment technical field just discloses an electret capacitanc can dismantle miaow head, comprises a box bod, the fixed copper ring that has cup jointed in the bottom of box inner chamber, the fixed back polar plate that has cup jointed of inner chamber that the box body is located the copper ring top, the fixed gasket that has cup jointed of inner chamber that the box body is located the back polar plate top, the fixed vibrating diaphragm that has cup jointed of inner chamber that the box body is located the gasket top, the top swing joint of box body has the protective cover, the bottom fixedly connected with reference column of protective cover, the middle part joint that the reference column runs through and extends to box body lateral wall inner chamber one end. This electret capacitanc can dismantle miaow head, through the reference column with be connected of box body, guaranteed that this electret capacitanc can dismantle the miaow head can be convenient when using dismantles, avoid the miaow head can not dismantle, can't maintain when local damage appears, need wholly change, lead to the user to need to improve certain economic cost.

Description

Electret capacitive detachable microphone

Technical Field

The utility model relates to an electrical auxiliary equipment technical field specifically is an electret capacitanc can dismantle miaow head.

Background

The microphone is an energy conversion device for converting a sound signal into an electric signal, is a device just opposite to a loudspeaker, and is divided into the following parts in terms of working principle: carbon fine particle type, electromagnetic type, capacitance type, electret capacitance type, piezoelectric crystal type, piezoelectric ceramic type, silica type, and the like.

The existing microphone cannot be detached in the using process, and is difficult to maintain when the microphone breaks down, so that the microphone needs to be integrally replaced, certain economic loss is brought to a user, and the electret capacitive detachable microphone is provided for the user.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an electret capacitanc can dismantle miaow head possesses advantages such as dismantle convenient, simple to use, the maintenance of being convenient for, has solved and can't dismantle the detection, use complicacy, and the practicality is poor, the maintenance is inconvenient, the big problem of resource consumption.

(II) technical scheme

For the purpose that realizes above-mentioned dismantlement is convenient, simple to use, the maintenance of being convenient for, the utility model provides a following technical scheme: an electret capacitive detachable microphone comprises a box body, wherein a copper ring is fixedly sleeved at the bottom of an inner cavity of the box body, a back plate is fixedly sleeved at an inner cavity of the box body, which is positioned at the top of the copper ring, a gasket is fixedly sleeved at the inner cavity of the box body, a vibrating diaphragm is fixedly sleeved at the inner cavity of the box body, which is positioned at the top of the gasket, a protective cover is movably connected at the top of the box body, a positioning column is fixedly connected at the bottom of the protective cover, a fixing block is clamped at the middle part of the positioning column, which penetrates through and extends to one end of an inner cavity of a side wall of the box body, a moving rod is fixedly connected to the side surface of the fixing block, the side surface of the moving rod is in transmission connection with the side surface of the inner cavity of the side wall of the box body through a reset spring, the fixed cover in middle part that the reference column is located box body lateral wall inner chamber has connect the extrusion piece, the bottom swing joint of extrusion piece has the deformation piece, and the deformation piece is located the side of carriage release lever, the one end screw thread that the reference column runs through the box body outside has cup jointed the reinforcement cap, the top of protective cover inner chamber is cup jointed along the activity with the outer of dust screen through positioner, the top fixedly connected with location cap of protective cover.

Preferably, positioner includes the rotary rod, the inner chamber at the protective cover is cup jointed to the middle part screw thread of rotary rod, solid net piece has been cup jointed in the middle part activity of rotary rod, the top of solid net piece is passed through anti-skidding spring and is connected with the top transmission of rotary rod.

Preferably, the box body is cylindrical, the surface of the box body is coated with heat insulation coating, and the bottom of the side wall of the inner cavity of the box body is provided with a position fixing hole.

Preferably, the number of the positioning columns is two, the two positioning columns are arranged in parallel, and positioning grooves are formed in the middle of the two positioning columns.

Preferably, the diameter of protective cover equals with the diameter of box body, and protective cover and box body all are in the coplanar.

Preferably, the middle part of the limiting block is provided with a shaped hole, the diameter of the middle part hole of the limiting block is larger than that of the positioning column, and the middle part hole of the limiting block is matched with the positioning column.

(III) advantageous effects

Compared with the prior art, the utility model provides an electret capacitanc can dismantle miaow head possesses following beneficial effect:

1. this electret capacitanc can dismantle miaow head, through the reference column with be connected of box body, guaranteed that this electret capacitanc can dismantle the miaow head can be convenient when using dismantles, avoid the miaow head can not dismantle, can't maintain when local damage appears simultaneously, need wholly change, lead to the user to need to improve certain economic cost.

2. This miaow head can be dismantled to electret capacitanc through being connected of positioner and dust screen, has guaranteed that this miaow head can be dismantled to electret capacitanc can dismantle the washing to the dust screen when using, avoids dust screen surface dust too much, leads to the miaow head radiating effect to reduce to make the inside spare part of miaow head because of the high temperature, reduce the production of life condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the present invention at the position A;

fig. 3 is a bottom view of the structural protective cover of the present invention;

fig. 4 is a schematic view of the positioning device in the structure diagram 3 of the present invention.

In the figure: 1. a box body; 2. a copper ring; 3. a back plate; 4. a gasket; 5. vibrating diaphragm; 6. a protective cover; 7. a positioning column; 8. a retention block; 9. a travel bar; 10. a return spring; 11. a limiting block; 12. rotating the rod; 13. extruding the block; 14. a deformation block; 15. a reinforcement cap; 16. a positioning device; 161. rotating the rod; 162. a net fixing block; 163. an anti-slip spring; 17. a dust screen; 18. and a positioning cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an electret capacitive detachable microphone comprises a box body 1, wherein the box body 1 is cylindrical, the surface of the box body 1 is coated with thermal insulation coating, the bottom of the side wall of the inner cavity of the box body 1 is provided with a position fixing hole, the arrangement of the box body 1 ensures that the electret capacitive detachable microphone can protect internal parts when in use and avoid the occurrence of damage caused by exposure to the outside, the bottom of the inner cavity of the box body 1 is fixedly sleeved with a copper ring 2, the inner cavity of the box body 1 at the top of the copper ring 2 is fixedly sleeved with a back plate 3, the inner cavity of the box body 1 at the top of the back plate 3 is fixedly sleeved with a gasket 4, the inner cavity of the box body 1 at the top of the gasket 4 is fixedly sleeved with a vibrating diaphragm 5, the top of the box body 1 is movably connected with a protective cover 6, the diameter of the protective cover 6 is equal to the diameter of the box body 1, the arrangement of the protective cover 6 ensures that the electret capacitance type detachable microphone can protect the parts in the box body 1 when in use, reduces the damage caused by external force to the electret capacitance type detachable microphone and prolongs the service life of the electret capacitance type detachable microphone, the bottom of the protective cover 6 is fixedly connected with two positioning columns 7, the two positioning columns 7 are arranged in parallel, the middle parts of the two positioning columns 7 are both provided with positioning grooves, the electret capacitance type detachable microphone can be fixed in position when in use by the arrangement of the positioning columns 7, the poor fixing effect is avoided, the electret capacitance type detachable microphone can not be effectively used, the middle part of one end of the side wall inner cavity of the box body 1, which penetrates through and extends to the positioning column 7, is clamped with a fixing block 8, the side surface of the fixing block 8 is fixedly connected with a movable rod 9, and the side surface of the movable rod 9 is in transmission connection with the side surface of, the middle part of the inner cavity of the side wall of the box body 1 is fixedly sleeved with a limiting block 11, the middle part of the limiting block 11 is provided with a fixed hole, the diameter of the middle hole of the limiting block 11 is larger than that of the positioning column 7, the hole in the middle part of the limiting block 11 is matched with the positioning column 7, the arrangement of the limiting block 11 ensures that the electret capacitive detachable microphone can be normally fixed when in use, the situation that the box body 1 and the protective cover 6 cannot be connected due to damage is avoided, the inner cavity of the limiting block 11 is fixedly sleeved with a rotating rod 12, the middle part of the rotating rod 12 is movably sleeved with the inner cavity at the top end of the movable rod 9, the positioning column 7 is fixedly sleeved with an extrusion block 13 in the middle part of the inner cavity of the side wall of the box body 1, the bottom of the extrusion block 13 is movably connected with a deformation block 14, the, the top of protective cover 6 inner chamber is passed through positioner 16 and is cup jointed with the outer activity along of dust screen 17, positioner 16 includes rotary rod 161, the middle part screw thread of rotary rod 161 cup joints the inner chamber at protective cover 6, the middle part activity of rotary rod 161 has cup jointed solid net piece 162, the top of solid net piece 162 is passed through anti-skidding spring 163 and is connected with the top transmission of rotary rod 161, setting through positioner 16, it can carry out the fixed in position to dust screen 17 to have ensured that this electret capacitanc can be dismantled the miaow head when using, made things convenient for simultaneously to change the dust screen 17 of damage, the top fixedly connected with of protective cover 6 fixes a position cap 18.

During operation, at first cup joint at the lateral wall of box body 1 through reference column 7, make protective cover 6 be connected with box body 1, then through extrusion piece 13 to the 14 application of force of deformation piece, make maintenance piece 8 connect reference column 7, improve the compactness of box body 1 and protective cover 6, rethread reinforcing cap 15 and reference column 7 are connected, prevent it not hard up, at last through being connected of positioner 16 and dust screen 17, make things convenient for it to change the washing, can.

In summary, the electret capacitive detachable microphone is connected with the box body 1 through the positioning column 7, so that the electret capacitive detachable microphone can be conveniently detached when in use, the microphone is prevented from being undetachable, and meanwhile, the electret capacitive detachable microphone cannot be maintained when being locally damaged and needs to be integrally replaced, so that a user needs to increase certain economic cost; through the connection of the positioning device 16 and the dustproof net 17, the electret capacitive detachable microphone is guaranteed to be capable of disassembling and cleaning the dustproof net 17 when in use, and the reduction of the radiating effect of the microphone caused by excessive dust on the surface of the dustproof net 17 is avoided, so that the generation of service life conditions of parts in the microphone is reduced due to overhigh temperature; the problems that disassembly detection cannot be carried out, use is complex, practicability is poor, maintenance is inconvenient, and resource consumption is high are solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electret capacitanc can dismantle miaow head, includes box body (1), its characterized in that: the bottom of the inner cavity of the box body (1) is fixedly sleeved with a copper ring (2), the inner cavity of the box body (1) at the top of the copper ring (2) is fixedly sleeved with a back plate (3), the inner cavity of the box body (1) at the top of the back plate (3) is fixedly sleeved with a gasket (4), the inner cavity of the box body (1) at the top of the gasket (4) is fixedly sleeved with a vibrating diaphragm (5), the top of the box body (1) is movably connected with a protective cover (6), the bottom of the protective cover (6) is fixedly connected with a positioning column (7), the positioning column (7) penetrates through and extends to the middle part of one end of the inner cavity of the side wall of the box body (1) and is clamped with a positioning block (8), the side of the positioning block (8) is fixedly connected with a moving rod (9), and the side of the moving rod (9) is in transmission connection, fixed stopper (11) of having cup jointed in middle part of box body (1) lateral wall inner chamber, dwang (12) have been cup jointed to the inner chamber of stopper (11) fixed, and the middle part activity of dwang (12) cup joints the inner chamber on carriage release lever (9) top, the fixed cover in middle part that reference column (7) are located box body (1) lateral wall inner chamber has connect extrusion piece (13), the bottom swing joint that extrudes piece (13) has deformation piece (14), and deformation piece (14) are located the side of carriage release lever (9), reinforcing cap (15) have been cup jointed to the one end screw thread that reference column (7) run through the box body (1) outside, positioner (16) and dust screen (17) are passed through at the top of protective cover (6) inner chamber outer along the activity cup joint, the top fixedly connected with position cap (18) of protective cover (6).

2. An electret capacitive detachable microphone according to claim 1, characterised in that: positioner (16) include rotary rod (161), the middle part screw thread of rotary rod (161) cup joints the inner chamber at protective cover (6), the middle part activity of rotary rod (161) has cup jointed solid net piece (162), the top of solid net piece (162) is passed through anti-skidding spring (163) and is connected with the top transmission of rotary rod (161).

3. An electret capacitive detachable microphone according to claim 1, characterised in that: the shape of box body (1) is cylindrical, and the surface of box body (1) scribbles thermal barrier coating, the position fixing hole has been seted up to the bottom of box body (1) inner chamber lateral wall.

4. An electret capacitive detachable microphone according to claim 1, characterised in that: the number of the positioning columns (7) is two, the two positioning columns (7) are arranged in parallel, and positioning grooves are formed in the middle of the two positioning columns (7).

5. An electret capacitive detachable microphone according to claim 1, characterised in that: the diameter of protective cover (6) equals the diameter of box body (1), and protective cover (6) all are in the coplanar with box body (1).

6. An electret capacitive detachable microphone according to claim 1, characterised in that: the middle part of stopper (11) has seted up the definite shape hole, and the diameter in stopper (11) middle part hole is greater than the diameter of reference column (7), the hole in stopper (11) middle part and reference column (7) phase-match.