CN213818102U - Telescopic microphone without wheat straw - Google Patents
Telescopic microphone without wheat straw Download PDFInfo
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- CN213818102U CN213818102U CN202022931336.3U CN202022931336U CN213818102U CN 213818102 U CN213818102 U CN 213818102U CN 202022931336 U CN202022931336 U CN 202022931336U CN 213818102 U CN213818102 U CN 213818102U
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- guide rail
- microphone
- pin shaft
- microphone assembly
- motor
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Abstract
The utility model discloses a telescopic microphone without wheat straw, which comprises a microphone assembly, a power component and a transmission system for pushing the microphone assembly to lift, and a guide rail slide block, wherein the guide rail slide block is provided with a guide rail chute extending longitudinally; the guide rail is arranged in the guide rail sliding groove in a matched manner and can slide up and down; the microphone assembly is fixed on a guide rail, and a pin shaft extending transversely is arranged on the guide rail; the power component is a lifting motor; the transmission system comprises a lifting connecting rod in power connection with a motor shaft of the lifting motor, a pin shaft hole is formed in the lifting connecting rod, and a pin shaft is sleeved in the pin shaft hole. The utility model has the advantages that: simple structure, simple to operate, drive mechanism's transmission efficiency is high, and the lift action is simple direct.
Description
Technical Field
The utility model belongs to the office equipment field specifically is a telescopic microphone of no straw.
Background
Chinese patent document CN210958690U discloses a "panel-less microphone device" in 7.7.2020, which includes a case, an upper limit photoelectric sensor, a lower limit photoelectric sensor and a wheat straw which are disposed in the case, a microphone disposed at the upper end of the wheat straw, a motor disposed at the lower portion of the case, a driving synchronizing wheel connected to the motor, a driven synchronizing wheel disposed at the upper portion of the case, a synchronizing belt disposed on the driving synchronizing wheel and the driven synchronizing wheel, a lifting guide rail disposed on the case on one side of the wheat straw, a wheat straw straightening pull rod disposed at the lower portion of the lifting guide rail, a wheat straw straightening return spring sleeved on the wheat straw straightening pull rod, and a wheat straw straightening return block disposed at the upper end of the wheat straw straightening return spring. The utility model has the characteristics of reduced the width of lift microphone panel by a wide margin, reduced the size of meeting desktop trompil, improved the practicality of meeting table. Similar to this kind of traditional scheme, the structure is complicated, and spare part is numerous, and the installation is loaded down with trivial details, and drive mechanism's transmission efficiency is low, and the lift action is too drags the crowd.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model provides a there is not telescopic microphone of wheat straw, simple structure, simple to operate, drive mechanism's transmission efficiency is high, and the lift action is simple direct.
In order to realize the purpose of the invention, the utility model adopts the following technical scheme: a telescopic microphone without wheat straw comprises a microphone assembly, a power part and a transmission system, wherein the power part and the transmission system are used for pushing the microphone assembly to lift; the guide rail is arranged in the guide rail sliding groove in a matched manner and can slide up and down; the microphone assembly is fixed on a guide rail, and a pin shaft extending transversely is arranged on the guide rail; the power component is a lifting motor; the transmission system comprises a lifting connecting rod in power connection with a motor shaft of the lifting motor, a pin shaft hole is formed in the lifting connecting rod, and a pin shaft is sleeved in the pin shaft hole.
The telescopic microphone without the wheat straw designed by the technical scheme comprises a microphone assembly, a power part for pushing the microphone assembly to lift and a transmission system. The microphone assembly generally comprises a microphone, a microphone shell, a microphone fixing seat, a connecting sheet metal part and the like. The power part provides power for driving the microphone assembly to lift. The transmission system is connected with the power component and the microphone assembly and is responsible for transmitting the power of the power component to the microphone assembly to realize the lifting action of the microphone assembly. In the scheme, a guide rail sliding block is fixedly arranged, a longitudinally extending guide rail sliding groove is formed in the guide rail sliding block, and the guide rail is arranged in the guide rail sliding groove in a matched mode and can slide up and down as a movable part. The upper end of the guide rail is fixed with the microphone assembly, and the middle part or the lower part of the guide rail is provided with a pin shaft which extends transversely. The power component selects a lifting motor, the lifting motor is in power connection with a lifting connecting rod, a pin shaft hole is formed in the lifting connecting rod, and a pin shaft is sleeved in the pin shaft hole. Therefore, only the lifting motor acts, the lifting connecting rod and the pin shaft can drive the guide rail to lift, and the action is compact and the dragging is avoided. The scheme is small in part quantity and convenient to install. Because no wheat straw and no flip mechanism are arranged, the part exposed on the table top is small when the table is lifted, the occupied space is small, and the sight line of a user or the operation space of the table top is not easy to be shielded.
Preferably, the lifting motor is an eccentric motor, one end of the lifting connecting rod is fixed with a shaft of the lifting motor, and the pin shaft hole is a long hole extending along the length direction of the lifting connecting rod. The eccentric motor is used, the rotating moment is large, and larger force can be applied to the lifting of the guide rail, so that the lifting action is more convenient.
Preferably, an upper limit photoelectric sensor and a lower limit photoelectric sensor which are fixedly installed are further arranged; and a light blocking sheet is fixed on the guide rail, and the light blocking sheet synchronously goes up and down along with the guide rail and respectively passes through the photosensitive positions of the upper limiting photoelectric sensor and the lower limiting photoelectric sensor. The scheme provides a limiting method for lifting of a guide rail. The upper limit photoelectric sensor and the lower limit photoelectric sensor are fixedly arranged, the light blocking sheet is arranged on the guide rail, the light blocking sheet is lifted along with the guide rail, and when the photoelectric sensor is shielded by the light blocking sheet, an electric signal is triggered to control the lifting motor to start and stop, so that the lifting limit is realized. Usually, the upper limit photoelectric sensor and the lower limit photoelectric sensor can be mounted on a fixedly arranged photoelectric sensor circuit board, and the photoelectric sensor circuit board is electrically connected with the lifting motor.
Preferably, the microphone assembly is further provided with a top end panel, a microphone assembly through hole is formed in the top end panel, and the size of the microphone assembly through hole corresponds to the size of the microphone assembly in an adaptive mode. The top panel is installed in the microphone mounting hole of conference table desktop in a matching way, and after the installation is finished, the top panel is flush with the conference table desktop. When the multifunctional conference table is used, the microphone assembly rises from the microphone assembly through hole, and when the multifunctional conference table is not used, the microphone assembly falls into the microphone assembly through hole, so that the table top of the conference table is kept flush.
Preferably, a microphone protection ring is fixed on the bottom surface of the top end panel, and the microphone protection ring extends upwards to the hole wall of the microphone assembly through hole. The microphone has precision features that require protection from impact. After having designed miaow head guard circle, at the installation of miaow head assembly and lift in-process, can play the buffering guard action to the miaow head. The microphone protection ring can be made of rubber, plastic and the like which are made of proper elastic materials.
Preferably, the top panel is provided with a speech button, and the speech button is electrically connected to the lift motor. The speaking button can be generally electrically connected to the speaking circuit board, and the speaking circuit board controls the opening and closing of the microphone and the lifting motor.
Preferably, the number of the guide rail sliding blocks is 2, and the guide rail sliding blocks are arranged up and down; the maximum up-down swinging amplitude of the lifting connecting rod is limited by the lower end surface of the guide rail slide block above and the upper end surface of the guide rail slide block below. The scheme is a protection scheme, the lower end face of the guide rail sliding block above and the upper end face of the guide rail sliding block below are used for physical limiting, so that the lifting amplitude of the lifting connecting rod is always in a limited range, and accidents can be prevented even if the upper limiting photoelectric sensor and the lower limiting photoelectric sensor fail.
To sum up, the beneficial effects of the utility model are that: simple structure, simple to operate, drive mechanism's transmission efficiency is high, and the lift action is simple direct.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection relationship between the microphone assembly and the guide rail.
Fig. 3 is a schematic diagram of the internal structure of the present invention.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a schematic view of the structure of the top panel.
Fig. 6 is a schematic view of the top panel from another perspective.
Wherein: 1 miaow head assembly, 2 guide rail slider, 3 guide rails, 31 barn door, 4 round pin axles, 5 elevator motor, 6 lifting connecting rods, 61 round pin shaft holes, 7 photoelectric sensor circuit boards, spacing photoelectric sensor on 71, spacing photoelectric sensor under 72, 8 top end panels, 81 miaow head assembly via holes, 82 miaow head guard circle, 83 speech button, 9 box shell, 99 speech circuit board.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment shown in fig. 1 is a straw-less telescopic microphone mainly installed under the table top of the conference table.
Referring to fig. 1, 2, 3 and 4, the telescopic microphone without straw in this embodiment is installed in a box body casing 9, an upper guide rail sliding block 2 and a lower guide rail sliding block 2 are fixed on the side wall of the box body casing 9, a longitudinally extending guide rail sliding groove is arranged on the guide rail sliding block 2, and the guide rail 3 is fittingly arranged in the guide rail sliding groove and can slide up and down. The microphone assembly 1 is fixed on the top end of the guide rail 3. The middle part of the guide rail 3 is fixedly provided with a pin shaft 4 which extends transversely and is made of stainless steel. The lifting motor 5 is also fixed on the side wall of the box body shell 9, and the lifting motor 5 of the embodiment adopts an eccentric motor. The motor shaft of the lifting motor 5 is fixedly connected with a lifting connecting rod 6, a pin shaft hole 61 is formed in the lifting connecting rod 6, the pin shaft hole is a long hole extending along the length direction of the lifting connecting rod 6, and the pin shaft 4 is sleeved in the pin shaft hole 61. Meanwhile, the maximum vertical swing amplitude of the lifting connecting rod 6 is limited by the lower end surface of the upper guide rail slide block 2 and the upper end surface of the lower guide rail slide block 2.
Below the lifting motor 5, a photoelectric sensor circuit board 7 is further fixed on the side wall of the box body shell 9, and an upper limit photoelectric sensor 71 and a lower limit photoelectric sensor 72 are fixed on the photoelectric sensor circuit board 7 one above the other. The light blocking sheet 31 is installed near the lower end of the guide rail 3, and the light blocking sheet 31 has a light blocking effect and can move up and down along with the guide rail 3. When the light blocking sheet 31 moves to the upper side, it will be located at the photosensitive position of the upper limit photoelectric sensor 71, and when the light blocking sheet 31 moves to the lower side, it will be located at the photosensitive position of the lower limit photoelectric sensor 72, so as to trigger the corresponding photoelectric sensor to generate an electric signal. The upper limit photosensor 71 and the lower limit photosensor 72 are electrically connected to the photosensor circuit board 7, and the photosensor circuit board 7 is electrically connected to the lift motor 5.
The top panel 8 made of aluminum alloy is fixedly arranged at the upper end of the box body shell 9. As shown in fig. 5 and 6, the top panel 8 is provided with a microphone assembly via hole 81, and the size of the microphone assembly via hole 81 corresponds to the size of the microphone assembly 1, so that the microphone assembly 1 can conveniently lift in the microphone assembly via hole 81. A microphone protection ring 82 is fixed on the bottom surface of the top panel 8, and the microphone protection ring 82 extends upwards to the hole wall of the microphone assembly via hole 81. The microphone guard 82 is made of plastic and has a buffering and protecting function for the microphone assembly 1. The top panel 8 is further provided with a speech button 83, the speech button 83 is electrically connected to a speech circuit board 99 fixed below the side wall of the body case 9, and the speech circuit board 99 is electrically connected to the elevator motor 5.
In the telescopic microphone without the straw in this embodiment, the microphone assembly 1 is at the lowest position when not in use, and the top surface of the microphone assembly 1 is flush with the top of the microphone assembly through hole 81. When the microphone assembly needs to be used, a user presses the speaking button 83, the lifting motor 5 works in the forward direction to drive the lifting connecting rod 6 to rotate in the forward direction, and then the pin shaft 4 drives the guide rail 3 to move upwards, so that the microphone assembly 1 is lifted from the microphone assembly through hole 81; at this time, the light blocking sheet 31 rises along with the guide rail 3, and blocks light to the upper limit photoelectric sensor 71 to trigger the upper limit photoelectric sensor 71 to send an electric signal, so as to instruct the lifting motor 5 to stop working, the lifting action is finished, and the microphone assembly 1 starts to pick up sound after 1 second. After the microphone assembly is used, the speaking button 83 is pressed again, the lifting motor 5 works reversely to drive the lifting connecting rod 6 to rotate reversely, and then the guide rail 3 is driven to move downwards through the pin shaft 4, so that the microphone assembly 1 descends from the microphone assembly through hole 81 to reset; at this time, the light blocking sheet 31 descends along with the guide rail 3 to the lower limit photoelectric sensor 72, and blocks light to trigger the lower limit photoelectric sensor 72 to send an electric signal, so as to instruct the lifting motor 5 to stop working, the descending action is finished, the speaking circuit board 99 stops working, and the microphone assembly 1 stops picking sound synchronously.
The telescopic microphone without the wheat straw has no wheat straw and no flip mechanism, has short lifting distance of only 330 mm, small volume after lifting and long sound pick-up distance, so that the operation of a touch screen and the like is not hindered by the shielding of the wheat straw. The telescopic microphone without the wheat straw is arranged on the conference table, so that the conference table is more tidy and attractive, and the operation is simple to only one key.
Claims (7)
1. A telescopic microphone without wheat straw comprises a microphone assembly (1), a power part for pushing the microphone assembly to lift and a transmission system, and is characterized by further comprising a guide rail sliding block (2), wherein a guide rail sliding groove extending longitudinally is formed in the guide rail sliding block (2); the guide rail (3) is arranged in the guide rail sliding groove in a matched manner and can slide up and down; the microphone assembly (1) is fixed on the guide rail (3), and the guide rail (3) is provided with a pin shaft (4) which extends transversely; the power component is a lifting motor (5); the transmission system comprises a lifting connecting rod (6) in power connection with a motor shaft of the lifting motor (5), a pin shaft hole (61) is formed in the lifting connecting rod (6), and the pin shaft (4) is sleeved in the pin shaft hole (61).
2. The telescopic microphone without straw as claimed in claim 1, wherein the elevating motor (5) is an eccentric motor, one end of the elevating link (6) is fixed to a shaft of the elevating motor (5), and the pin shaft hole (61) is a long hole extending in a length direction of the elevating link (6).
3. The telescopic microphone without straw as claimed in claim 1 or 2, wherein an upper limit photoelectric sensor (71) and a lower limit photoelectric sensor (72) are fixedly mounted; a light blocking sheet (31) is fixed on the guide rail (3), and the light blocking sheet synchronously goes up and down along with the guide rail (3) and respectively passes through the photosensitive positions of an upper limiting photoelectric sensor (71) and a lower limiting photoelectric sensor (72).
4. The telescopic microphone without the wheat straw as claimed in claim 1 or 2, wherein a top panel (8) is further provided, a microphone assembly through hole (81) is formed in the top panel (8), and the size of the microphone assembly through hole (81) corresponds to the size of the microphone assembly (1).
5. The telescopic microphone without the straw as claimed in claim 4, wherein the head guard (82) is fixed to the bottom surface of the top panel (8), and the head guard (82) extends upward to the wall of the through hole (81) of the head assembly.
6. The telescopic microphone without straw as claimed in claim 4, wherein the speaker button (83) is provided on the top panel (8), and the speaker button (83) is electrically connected to the elevator motor (5).
7. The telescopic microphone without straw as claimed in claim 1 or 2, wherein the number of the guide rail sliding blocks (2) is 2, and the guide rail sliding blocks are arranged up and down; the maximum vertical swing amplitude of the lifting connecting rod (6) is limited by the lower end surface of the guide rail sliding block (2) above and the upper end surface of the guide rail sliding block (2) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931336.3U CN213818102U (en) | 2020-12-07 | 2020-12-07 | Telescopic microphone without wheat straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931336.3U CN213818102U (en) | 2020-12-07 | 2020-12-07 | Telescopic microphone without wheat straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213818102U true CN213818102U (en) | 2021-07-27 |
Family
ID=76945388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022931336.3U Active CN213818102U (en) | 2020-12-07 | 2020-12-07 | Telescopic microphone without wheat straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213818102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829348B (en) * | 2022-09-20 | 2024-01-11 | 英業達股份有限公司 | Electronic device and turning structure of microphone thereof |
-
2020
- 2020-12-07 CN CN202022931336.3U patent/CN213818102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829348B (en) * | 2022-09-20 | 2024-01-11 | 英業達股份有限公司 | Electronic device and turning structure of microphone thereof |
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