CN213485134U - Conjoined key combination structure of handheld microphone and handheld microphone - Google Patents

Abstract

The utility model discloses a conjuncted key integrated configuration of handheld microphone and handheld microphone. The utility model discloses a conjuncted key combination structure, which comprises a key board, a key support and a PCB board; the key board comprises a flat board body, the top of the flat board body is integrally provided with a key cap block, and the key cap block is divided by a plurality of shallow grooves to form a plurality of conjoined key caps; the bottom of the flat plate body is integrally provided with a key contact corresponding to the key cap; the key board is arranged on the key support, and the key cap protrudes out of the microphone shell; and the PCB is provided with a key switch corresponding to the key contact. The conjoined key combination structure is simple and compact, does not have a clamping key when in use, and has lower forming cost, more convenience, higher production efficiency and yield and good durability. The utility model discloses a handheld microphone is based on the aforesaid handheld microphone conjuncted button integrated configuration uses convenient operation, and life is high.

Description

Conjoined key combination structure of handheld microphone and handheld microphone

Technical Field

The utility model relates to a microphone technical field, concretely relates to conjuncted key integrated configuration of handheld microphone and handheld microphone.

Background

The hand microphone is provided with a key for switching and volume adjustment, and can be freely controlled and adjusted by a performer at any time. Meanwhile, the handheld microphone has the characteristic of no fixed limit, can be freely transferred along with the scene and performance requirements when in use, and is convenient, easy and free to use.

In the existing market, a handheld microphone is generally provided with more than two keys, the top key caps of the handheld microphone are separated and independent, but the bottoms of the handheld microphone are connected together, so that the keys can sink and can be linked to clamp the keys during user experience, and the experience effect is influenced. In addition, the key forming die of the existing hand-held microphone is generally a double-color die, and the soft rubber and the hard rubber of the key are formed at one time, so that the cost is high; or, some key caps are soft rubber, key contacts are hard rubber, and the key caps are formed by beer sleeving, so that the reject ratio and the processing cost are high; or the soft rubber key cap is firstly formed, then the hard rubber key contact is formed, and then the hard rubber key contact and the soft rubber key cap are stuck together by using the adhesive water, so that the operation is time-consuming.

SUMMERY OF THE UTILITY MODEL

The button for solving among the prior art handheld microphone can appear linkage card key, experience the effect poor when using to and the shaping is with high costs, production efficiency is low, the problem that the defective rate is high, the utility model provides a handheld microphone conjuncted key integrated configuration.

Another object of the present invention is to provide a handheld microphone based on the above structure.

The purpose of the utility model is realized through the following technical scheme.

A hand-held microphone conjuncted key composite structure, including key board, key bracket and PCB board;

the key board comprises a flat board body, and a key cap block is integrally arranged at the top of the flat board body; the surface of the key cap block is provided with a plurality of shallow grooves, and the key cap block is divided by the shallow grooves to form a plurality of conjoined key caps; the bottom of the flat plate body is integrally provided with a key contact corresponding to the key cap;

the key support is arranged in the microphone shell; the key board is arranged on the key support, the key support is provided with a clearance groove for accommodating the key contact to be pressed and stretched, and the key cap protrudes out of the microphone shell;

the PCB is arranged in the microphone shell; and the PCB is provided with a key switch corresponding to the key contact.

In a preferred embodiment, the key support is provided with a positioning hole; the key board is provided with a positioning column correspondingly matched with the positioning hole; the positioning column is positioned and assembled on the positioning hole.

In a more preferred embodiment, the positioning column is provided with a mushroom head inverted part.

In a preferred embodiment, the outer side of the plate body has an outwardly extending extension; the key support is provided with a groove matched with the extension part, and the bottom of the groove corresponds to the edge of the extension part; the key board is arranged in the groove of the key support in a matched and erected mode through the extending part.

In a preferred embodiment, the key support is a support with an open middle, and a plurality of ribs are arranged on the open middle part of the key support; the plurality of ribs are separated to form the empty avoiding groove.

In a preferred embodiment, the key support is provided with a plurality of clamping positions; the microphone shell is provided with a clamping hook corresponding to the clamping position; the key support passes through the trip with the joint cooperation of screens sets up in the microphone casing.

In a preferred embodiment, the PCB board is provided with a mounting screw hole; the PCB is locked and installed in the microphone shell through the matching of the screw and the installation screw hole.

A hand-held microphone comprises a pickup head and the hand-held microphone conjuncted key combination structure of any one of the above; the sound pickup head is arranged in the front end of the microphone shell, and a sound transmission net is arranged at the position, corresponding to the sound pickup head, of the front end of the microphone shell; the sound pickup head is connected with the PCB.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

the utility model discloses an among the conjuncted key integrated configuration of handheld microphone, can cut apart the conjuncted structure of formation by the shallow slot between a plurality of key caps, and the keypad location erect on key-press support and with key-press support fixed connection, the stroke that the button contact touching key switch that corresponds to be located key cap bottom is short, can carry out stable switch touching by the button contact to key switch when pressing down the key cap, and continue to not take place further sinking under the pressing force effect after accomplishing the switch-on yet, protect key switch, avoid the button excessively sinking and the linkage card key condition appears simultaneously, remove and press down the button and can reset under the elastic action of dull and stereotyped body after the external force.

Moreover, the keys of the combined key combination structure of the handheld microphone adopt a combined structure design, the key caps, the flat plate body and the key contacts in the keys are integrated, the forming cost is lower and more convenient, and the production efficiency and the yield are higher.

In addition, the integrated key combination structure is simple and compact in overall structure, stable and high-strength assembly relations are adopted between the key board and the key support and between the PCB and the microphone shell, so that the integrated key combination structure is simple and convenient to operate, good in durability, beneficial to improvement of the structural compactness and the service life of the handheld microphone.

The utility model discloses a handheld microphone based on handheld microphone conjuncted key integrated configuration, the structure assembly of whole microphone is compact, stable, uses convenient operation, and the durability is good, and life is high.

Drawings

Fig. 1 is a schematic structural diagram of a handheld microphone conjoined key combination structure according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a hand-held microphone conjoined key assembly structure assembled on a microphone housing;

fig. 3 is a schematic view of an assembly structure of a hand-held microphone conjuncted key combination structure assembled on a microphone upper shell;

fig. 4 is a schematic structural diagram of a key sheet;

FIG. 5 is a schematic structural view of a key holder;

fig. 6 is a schematic view of an assembly structure of the key sheet and the key holder;

fig. 7 is a schematic structural view of the key sheet and the key holder assembled on the microphone case;

fig. 8 is a schematic cross-sectional view of a hand-held microphone equipped with a hand-held microphone conjunct key combination structure;

the attached drawings are marked as follows: 1-key board, 101-panel body, 1011-extension part, 102-key cap block, 103-shallow slot, 104-key cap, 105-key contact, 106-positioning column, 2-key support, 201-rib, 202-clearance groove, 203-positioning hole, 204-groove, 205-clamping position, 3-PCB board, 301-installation screw hole, 4-microphone shell, 401-clamping hook, 402-sound transmission net, 5-screw and 6-sound pickup head.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "top", "bottom", "front", "back", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the products of the present invention are usually placed when in use, or are only used for distinguishing the description, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be interpreted as limiting the present invention, nor indicating or implying relative importance.

Example 1

The combined structure of the handheld microphone and the key of the embodiment is shown in fig. 1 to 3, and includes a key board 1, a key support 2, and a PCB board 3. The key board 1 is used as a key action part, and when a key cap on the key board 1 is pressed, a switch circuit on the PCB 3 can be prompted to be switched on, so that corresponding electric control operation is carried out. Optionally, the PCB 3 at least includes a power circuit, a volume control circuit, and an audio signal conversion circuit.

As shown in fig. 4, the key sheet 1 includes a flat sheet body 101, and a key cap block 102 is integrated on the top of the flat sheet body 101. A plurality of shallow grooves 103 are formed on the surface of the key cap block 102, and the key cap block 102 is divided by the plurality of shallow grooves 103 to form a plurality of conjoined key caps 104; the bottom of the flat plate body 101 is integrally provided with a plurality of key contacts 105, and the plurality of key contacts 105 correspond to the plurality of key caps 104 one by one. In this embodiment, the top of the tablet body 101 is integrally provided with two key cap blocks 102, which are a power key cap block for controlling a microphone power supply and a volume adjustment key cap block for controlling a microphone volume, respectively, the power key cap block and the volume adjustment key cap block are independent from each other, the power key cap block is separately formed into a separate key cap without a groove 103, and the bottom of the power key cap block is separately provided with a key contact 105; the volume adjusting key cap block is provided with two shallow grooves 103, so that three volume adjusting key caps of + M and-M are formed by division, and the bottom of the volume adjusting key cap block is correspondingly provided with three independent key contacts 105.

In the present embodiment, the key holder 2 is disposed in the microphone case 4, and the key sheet 1 is mounted on the key holder 2.

Optionally, referring to fig. 5, the key holder 2 is provided with a plurality of detents 205, and the detents 205 are concave structures on the side edges of the key holder 2, in this embodiment, two symmetric four detents are respectively provided on two sides of the key holder 2 in the width direction; the inner wall of the microphone housing 4 has a plurality of hooks 401 corresponding to the plurality of detents 205, and the plurality of hooks 401 correspond to the plurality of detents 205 one by one. Through trip 401 with the joint cooperation of screens 205 makes the firm joint of key-press support 2 sets up in microphone casing 4, and easy dismounting.

As shown in fig. 6, a positioning hole 203 is formed in the key holder 2, and the key board 1 has a positioning post 106 correspondingly fitted to the positioning hole 203; the positioning posts 106 are positioned and penetrated through the positioning holes 203, so that the key board 1 is positioned, erected and assembled on the key holder 2. Furthermore, a mushroom head reverse buckling part is arranged on the end part of the positioning column 106, and after the end part of the positioning column 106 passes through the positioning hole 203, the mushroom head reverse buckling part and the positioning hole 203 are clamped in the reverse direction, so that the key board 1 is fixedly arranged on the key support 2.

Referring to fig. 7, in the combined structure of the handheld microphone and the key, the key holder 2 is clamped and assembled by using the combination structure of the clamping position 205 and the clamping hook 401, and the key board 1 is erected and assembled by using the combination structure of the positioning column 106 with the mushroom head reverse buckle part and the positioning hole 203, so that the assembling structure is simple and firm, and the number of screws is reduced.

In a specific embodiment, the key holder 2 has a clearance groove 202 for accommodating the key contact 105 to be pressed and extended, and the key contact 105 can be pressed downwards continuously through the clearance groove 202. In a preferred embodiment, the key holder 2 is a holder with a middle opening, a plurality of ribs 201 are disposed on the middle opening portion of the key holder 2, and the plurality of ribs 201 are separated from each other to form a plurality of clearance grooves 202. The design of the rib 201 ensures the clearance position required by the key contact 105 in the process of pressing down, and simultaneously enhances the strength and rigidity of the key support 2.

In this embodiment, optionally, a rib 201 is disposed on the middle opening portion of the key holder 2, and the middle opening portion of the key holder 2 is divided into two clearance grooves 202 corresponding to the power supply key cap block and the volume adjustment key cap block, where the three volume adjustment key contacts 105 share the same clearance groove 202. Or, the middle opening portion of the key holder 2 is provided with three ribs 201, the middle opening portion of the key holder 2 is divided into four clearance grooves 202 corresponding to the power supply key contact and the three volume adjustment key contacts, and the power supply key contact and the three volume adjustment key contacts respectively correspond to one clearance groove 202.

Referring again to fig. 4, the outer side of the plate body 101 has an extension 1011 extending outward; the key support 2 is provided with a groove 204 matched with the extension part 1011, the bottom groove edge of the groove 204 is an edge which is formed by integrally extending the bottom of the edge of the key support 2 to the center of the middle opening part, and the bottom groove edge of the groove 204 corresponds to the edge of the extension part 1011. Moreover, preferably, the positioning hole 203 is opened on the bottom groove edge of the groove 204, the positioning column 106 is disposed on the edge of the key board 1, and the key board 1 is fittingly erected in the groove 204 of the key support 2 through the extension 1011 to form a stable clamping erection. When the key board 1 is pressed downwards under stress, the key contact 105 of the key board 1 cannot sink excessively due to the clamping effect of the extension 1011 and the groove 204; and the material of the keypad 1 is a rubber material, so that the flat plate body 101 has better elasticity, and after the external pressing force is removed, the keys can reset under the elastic action of the flat plate body 1011.

Thus, after the key holder 2 and the key sheet 1 are assembled, the portion of the flat plate body 101 and the key contacts 105 of the key sheet 1 are both located in the microphone case 4, the top of the key cap 104 protrudes out of the microphone case 4, and the depth of the shallow groove 103 is just lower than the surface of the microphone case 4. When the key is pressed, the top of the key cap 104 exposed outside the microphone case 4 is directly pressed by applying force, and the key jamming phenomenon is effectively avoided.

In addition, the PCB board 3 is disposed inside the microphone case 4. In an optional embodiment, the PCB 3 is provided with an installation screw hole 301, and the PCB 3 is locked and installed in the microphone housing 4 through the cooperation of the screw 5 and the installation screw hole 301, so that the stable installation of the PCB 3 is ensured, the PCB 3 is not loosened during the operation of pressing the button, and the structure is kept stable.

The PCB 3 has a plurality of key switches 301 corresponding to the plurality of key contacts 105 one by one, and each of the key switches 301 is connected to a different control circuit on the PCB 3. In this embodiment, the PCB 3 has a control power supply and four key switches 301 for volume adjustment "+", "M", and "-", and the four key switches 301 are independent from each other, and the four key switches 301 are respectively connected to the power supply circuit and the volume control circuit on the PCB 3, and the corresponding key cap 104 is pressed to make the corresponding key contact 105 touch the corresponding key switch 301 to be turned on, so that the corresponding control circuit is turned on to perform the corresponding circuit control.

When the key is pressed, the top of the key cap 104 protruding out of the microphone case 4 of the key board 1 is pressed, the key cap 104 presses down the corresponding key contact 105 to press and touch the corresponding key switch 301, and the key switch 301 operates to connect the corresponding control circuit, so as to perform the corresponding operation. Due to the conjuncted design of the key caps 104 and the erection and assembly of the key board 1 on the key support 2, the key caps 104 cannot be pressed continuously under the action of continuous pressing after the key switch 301 is switched on by pressing, so that the key switch 301 is effectively protected from being damaged due to excessive pressing, and the phenomenon of linkage key clamping caused by excessive sinking of the keys is effectively avoided.

Moreover, the key cap 104 of the key sheet 1 is designed as a combined structure, and is integrated with the flat plate body 101 and the key contacts 105, so that the key sheet 1 is lower in molding cost, more convenient, and higher in production efficiency and yield.

Example 2

The hand-held microphone of this embodiment, as shown in fig. 8, includes a pickup head 6 and the hand-held microphone conjoined key combination structure described in embodiment 1. The sound pickup head 6 is disposed inside the front end of the microphone housing 4, the front end of the microphone housing 4 is provided with a sound transmission net 402 corresponding to the sound pickup head 6, and the sound pickup head 6 is connected to the PCB board 3. Optionally, a signal antenna is disposed on the PCB 3, or a signal and power connection line accessed from the outside of the tail of the handheld microphone is connected to the PCB 3.

When the handheld microphone works, external sound enters the sound pickup head 6 through the sound transmitting net 402, is picked up by the sound pickup head 6 and is transmitted to the PCB 3 for signal conversion processing, and then is transmitted to the player. The power control and the volume adjustment of the hand-held microphone can be realized by directly pressing the corresponding key cap 104 on the key board 1, and the hand-held microphone is convenient to use and operate and has good durability.

The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principles of the present invention will be included in the protection scope of the present invention.

Claims (8)

1. A handheld microphone conjuncted key composite structure, wherein including key board, key support and PCB board;

the key board comprises a flat board body, and a key cap block is integrally arranged at the top of the flat board body; the surface of the key cap block is provided with a plurality of shallow grooves, and the key cap block is divided by the shallow grooves to form a plurality of conjoined key caps; the bottom of the flat plate body is integrally provided with a key contact corresponding to the key cap;

the key support is arranged in the microphone shell; the key board is arranged on the key support, the key support is provided with a clearance groove for accommodating the key contact to be pressed and stretched, and the key cap protrudes out of the microphone shell;

the PCB is arranged in the microphone shell; and the PCB is provided with a key switch corresponding to the key contact.

2. The combined structure of the handheld microphone and the key of claim 1, wherein the key holder is provided with a positioning hole; the key board is provided with a positioning column correspondingly matched with the positioning hole; the positioning column is positioned and assembled on the positioning hole.

3. The structure of claim 2, wherein the positioning post has a mushroom-head inverted button.

4. The structure of claim 1, wherein the outer side of the plate body has an extension part extending outwards; the key support is provided with a groove matched with the extension part, and the bottom of the groove corresponds to the edge of the extension part; the key board is arranged in the groove of the key support in a matched and erected mode through the extending part.

5. The integrated key combination structure of a handheld microphone according to claim 1, wherein the key holder is a holder having an open middle, and a plurality of ribs are provided on the open middle of the key holder; the plurality of ribs are separated to form the empty avoiding groove.

6. The integrated key combination structure of a handheld microphone according to claim 1, wherein the key holder has a plurality of detents; the microphone shell is provided with a clamping hook corresponding to the clamping position; the key support passes through the trip with the joint cooperation of screens sets up in the microphone casing.

7. The combined structure of the handheld microphone and the key as claimed in claim 1, wherein the PCB board is formed with a mounting screw hole; the PCB is locked and installed in the microphone shell through the matching of the screw and the installation screw hole.

8. A hand-held microphone, characterized by comprising a sound pickup head and the hand-held microphone conjuncted key combination structure of any one of claims 1 to 7; the sound pickup head is arranged in the front end of the microphone shell, and a sound transmission net is arranged at the position, corresponding to the sound pickup head, of the front end of the microphone shell; the sound pickup head is connected with the PCB.

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