CN214548017U - Automatic lifting sound collecting device for teacher platform - Google Patents
Automatic lifting sound collecting device for teacher platform Download PDFInfo
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- CN214548017U CN214548017U CN202022978380.XU CN202022978380U CN214548017U CN 214548017 U CN214548017 U CN 214548017U CN 202022978380 U CN202022978380 U CN 202022978380U CN 214548017 U CN214548017 U CN 214548017U
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- plate
- lifting
- platform
- collecting device
- teacher
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 241001310793 Podium Species 0.000 claims abstract description 19
- 230000003028 elevating effect Effects 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses an automatic lifting sound collecting device for a teacher podium, which comprises a podium, wherein a desktop plate is arranged at the middle upper part of the podium, a bottom plate fixedly connected with or integrally formed with the podium is arranged at the bottom of the podium, a lifting mechanism positioned below the desktop plate is fixedly arranged on the bottom plate, a microphone for collecting sound is fixedly arranged on the lifting mechanism, a through hole is formed in the desktop plate, a rotating plate for closing or opening the through hole is hinged on the desktop plate, and after the through hole is opened by the rotation of the rotating plate, the lifting mechanism drives the microphone to ascend to the upper part of the desktop plate; compared with the prior art, the microphone provided by the invention is more convenient to use, has a good dustproof effect and can effectively prolong the service life.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of teaching application, in particular to an automatic lifting sound collecting device for a teacher platform.
[ background of the invention ]
In prior art, for good teaching effect, generally all install the microphone on the podium, through the microphone with install in the classroom that the megaphone is electric is connected, the teacher talkbacks through the microphone, the microphone can gather mr lecture sound and propagate in the classroom with its public address back to this plays the effect of clear lecture, but the current microphone of installing on the podium still has following two problems:
the microphone is placed on a platform only through a support, and is not fixed in position, the microphone can be placed at will, teachers or students often cause damage due to falling caused by misoperation or unstable holding, and therefore teaching quality is affected.
Secondly, because the dropping of dust is cleaned on the podium, the dust is easily dropped into at the sound inlet of placing the microphone on the podium, and over time, can lead to the laying dust of microphone the inside more and more, and then has led to the microphone and has sent out not good audio such as noise, broken sound easily, and serious sound directly leads to the microphone to damage, and then has influenced the effect of teaching.
[ summary of the invention ]
In order to solve the problems, the invention provides an automatic lifting sound collecting device for a teacher platform.
In order to achieve the purpose, the invention provides the following technical scheme.
An automatic lifting sound collecting device for a teacher podium comprises a podium, wherein a desktop plate is arranged at the middle upper part of the podium, a bottom plate fixedly connected with or integrally formed with the podium is arranged at the bottom of the podium, a lifting mechanism positioned below the desktop plate is fixedly arranged on the bottom plate, a microphone for collecting sound is fixedly arranged on the lifting mechanism, an opening is formed in the desktop plate, a rotating plate for closing or opening the opening is hinged to the desktop plate, and after the opening is rotated and opened through the rotating plate, the lifting mechanism drives the microphone to ascend from the lower part of the desktop plate to the upper part of the desktop plate; when the lifting mechanism drives the microphone to descend to the lower portion of the table top plate from the upper portion of the table top plate, the through hole is closed through rotation of the rotating plate.
As a preferred embodiment, further defined is: the lifting mechanism comprises a base fixedly connected with the bottom plate, a sliding cavity with an upward opening is formed in the base, a lifting platform matched with the sliding cavity is arranged in the sliding cavity in a sliding mode, a screw rod capable of rotating under the control of a driving motor is further arranged in the sliding cavity, a containing cavity with a downward opening is formed in the lifting platform, the screw rod is connected with a nut sleeve arranged in the containing cavity through threads, the screw rod drives the nut sleeve to move up and down under the control of the driving motor, and then the lifting platform is driven to lift.
As a preferred embodiment, further defined is: be provided with on the bottom plate and be located just be used for settling between bottom plate and the base driving motor's mounting groove, the dead eye relative with the mounting groove position is seted up to the base bottom, the bearing is installed to the dead eye, the lead screw including the lead screw body and with lead screw body integrated into one piece's pivot, the lower extreme of pivot pass with it looks adaptation behind the bearing with driving motor's output fixed connection.
As a preferred embodiment, further defined is: the lower end of the rotating shaft is provided with an insertion hole for inserting the output end of the driving motor, and the output end of the driving motor is tightly matched with the insertion hole through a screw.
As a preferred embodiment, further defined is: the cross section of the sliding cavity is square, sliding blocks are fixedly arranged on the periphery of the lifting platform, sliding chutes for the sliding blocks to be inserted in a one-to-one correspondence mode are formed in the peripheral inner wall of the sliding cavity, and the lifting platform is inserted into the sliding chutes through the sliding blocks to enable the lifting platform to slide up and down relative to the base.
As a preferred embodiment, further defined is: the periphery of the nut sleeve is fixedly provided with a cross-shaped connecting rod, and the connecting rod of the nut sleeve is fixedly connected with the lower part of the lifting platform through a screw.
As a preferred embodiment, further defined is: an electric push rod is further arranged below the table top plate, the bottom end of the electric push rod is hinged to the inner side of the platform, and the telescopic end of the electric push rod is hinged to the bottom end of the rotating plate.
As a preferred embodiment, further defined is: the rotating plates and the electric push rods are respectively provided with two, the electric push rods respectively control the two rotating plates to rotate in a one-to-one correspondence mode, and the two rotating plates are respectively hinged to the inner opposite sides of the through holes.
The beneficial effects of the invention are as follows:
1. when a teacher needs to attend a class, the rotating plate can be controlled to rotate and the through hole is opened, then the lifting mechanism drives the microphone to ascend to the upper portion of the desktop plate from the lower portion of the desktop plate for the teacher to use in class, after the microphone is used up, the lifting mechanism is controlled to drive the microphone to descend to the lower portion of the desktop plate from the upper portion of the desktop plate, and then the rotating plate rotates and closes the through hole. Compared with the prior art, the microphone provided by the invention is more convenient to use, has a good dustproof effect, and can effectively prolong the service life.
2. To above-mentioned technical scheme, make further improvement, elevating system including with bottom plate fixed connection's base, be provided with opening slip chamber up on the base, it is provided with the elevating platform with slip chamber looks adaptation to slide in the chamber, still be provided with in the slip chamber and carry out the pivoted lead screw through driving motor control, be provided with opening holding chamber down on the elevating platform, the lead screw has the nut cover of settling in the holding intracavity through threaded connection, the lead screw drives nut cover elevating movement under driving motor control, and then drive the elevating platform and go up and down, driving motor and lead screw are mutually supported in order to play the effect of elevating platform automatic rising, this elevating system's simple structure and convenient high-efficient quick installation, do benefit to the popularization.
3. To above-mentioned technical scheme, make further improvement, be provided with the mounting groove that is located between bottom plate and the base and is used for settling driving motor on the bottom plate, the dead eye relative with the mounting groove position is seted up to the base bottom, the bearing is installed to the dead eye, the lead screw including the lead screw body and with lead screw body integrated into one piece's pivot, the lower extreme of pivot pass with its looks adaptation behind the bearing with driving motor's output fixed connection, supporting the messenger lead screw that makes through pivot and bearing firmly rotates, do benefit to the elevating movement of elevating platform.
[ description of the drawings ]
Fig. 1 is a front view of the invention.
Fig. 2 is a top view of the invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 1.
Fig. 4 is an enlarged view at B of fig. 1.
Fig. 5 is a structural view of the spout of the present invention in an open state.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
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. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in the attached fig. 1 to 5, the automatic lifting sound collecting device for the teacher platform comprises a platform 1, a desktop plate 11 is arranged at the middle upper part of the platform 1, a bottom plate 12 fixedly connected with or integrally formed with the platform 1 is arranged at the bottom of the platform 1, the bottom plate 12 is fixedly provided with a lifting mechanism 2 positioned below the table top plate 11, the lifting mechanism 2 is fixedly provided with a microphone 3 for picking up sound, the table top 11 is provided with a through hole 110, preferably, the platform 1, the table top 11, the bottom plate 12 and the rotating plate 13 together enclose a closed cavity, the closed cavity is communicated with the outside through the through hole 110, a rotating plate 13 for closing or opening the through hole 110 is hinged on the table top plate 11, when the through hole 110 is opened by rotating the rotating plate 13, the lifting mechanism 2 drives the microphone 3 to ascend from the lower part of the table top plate 11 to the upper part of the table top plate 11; when the lifting mechanism 2 drives the microphone 3 to descend from the upper side of the table top board 11 to the lower side of the table top board 11, the through hole 110 is closed by rotating the rotating plate 13; preferably, the platform is provided with an ascending button and a descending button, when a teacher needs to attend a class, the rotating plate 13 rotates and opens the through hole 110 by operating the ascending button, the lifting mechanism 2 drives the microphone 3 to ascend from the lower part of the desktop plate 11 to the upper part of the desktop plate 11 for the teacher to use, after the microphone is used up, the lifting mechanism 2 drives the microphone 3 to descend from the upper part of the desktop plate 11 to the lower part of the desktop plate 11 by operating the descending button, and then the rotating plate 13 rotates and closes the through hole 110. Compared with the prior art, the microphone 3 is more convenient to use, has a good dustproof effect, and can effectively prolong the service life.
Specifically, in the present embodiment, the lifting mechanism 2 includes a base 21 fixedly connected to the bottom plate 12, the base 21 is provided with a sliding cavity 211 with an upward opening, the sliding cavity 211 is internally provided with a lifting platform 22 matched with the sliding cavity 211 in a sliding way, the sliding cavity 211 is also provided with a screw rod 24 which can be controlled by a driving motor 23 to rotate, the lifting platform 22 is provided with a containing cavity 221 with a downward opening, the screw rod 24 is connected with a nut sleeve 25 arranged in the containing cavity 221 through threads, the screw rod 24 drives the nut sleeve 25 to move up and down under the control of the driving motor 23, and then drive elevating platform 22 goes up and down, driving motor 23 and lead screw 24 mutually support in order to play the effect of elevating platform automatic rising, and this elevating system 2's simple structure just makes things convenient for high-efficient quick installation, does benefit to the popularization.
Specifically, in this embodiment, be provided with on the bottom plate 12 and be located just be used for settling between bottom plate 12 and the base 21 the mounting groove 121 of driving motor 23, the dead eye relative with mounting groove 121 position is seted up to base 21 bottom, bearing 20 is installed to the dead eye, lead screw 24 including lead screw body 241 and with lead screw body 241 integrated into one piece's pivot 242, the lower extreme of pivot 242 passes with it looks adaptation behind the bearing 20 with driving motor 23's output fixed connection, through the supporting lead screw 24 of making firmly rotate with bearing 20 of pivot 242, do benefit to the elevating platform and do the elevating movement.
Specifically, in the present embodiment, the lower end of the rotating shaft 242 is provided with an insertion hole 243 into which the output end of the driving motor 23 is inserted, and the output end of the driving motor 23 is inserted into the insertion hole 243 and then is tightly fitted with a screw, so that the power between the driving motor 23 and the screw rod is effectively transmitted.
Specifically, in this embodiment, the cross section of the sliding cavity 211 is square, the sliding blocks 222 are fixedly arranged around the lifting platform 22, the inner walls of the sliding cavity 211 are provided with the sliding grooves 212 for the sliding blocks 222 to be inserted in one-to-one correspondence, the lifting platform 22 is inserted into the sliding grooves 212 through the sliding blocks 222, so that the lifting platform 22 slides up and down relative to the base 21, and the mutual matching of the sliding blocks 222 and the sliding grooves 212 can facilitate the lifting platform to move up and down without circumferential movement, so as to improve the stability of the lifting platform to move up and down.
Specifically, in the present embodiment, the nut sleeve 25 is fixedly provided at an outer periphery thereof with a cross-shaped connecting rod 251, and the connecting rod 251 of the nut sleeve 25 is fixedly connected to a lower portion of the lifting table 22 by a screw, which facilitates quick fixing and installation of the nut sleeve 25 and the lifting table 22, so as to improve work efficiency.
Specifically, in this embodiment, an electric push rod 4 is further disposed below the tabletop plate 11, a bottom end of the electric push rod 4 is hinged to the inner side of the platform 1, a telescopic end of the electric push rod 4 is hinged to a bottom end of the rotating plate 13, two rotating plates 13 and two electric push rods 4 are disposed, the two electric push rods 4 respectively control the two rotating plates 13 to rotate in a one-to-one correspondence manner, the two rotating plates 13 are respectively hinged to the inner opposite sides of the through hole 110, and preferably, the two electric push rods 4 respectively control the two rotating plates 13 in a corresponding manner, which can facilitate quick opening or closing of the through hole.
The working principle is as follows: when the lifting button is operated, firstly, the electric push rod 4 contracts and drives the rotating plate 13 to rotate downwards so as to open the through hole 110; then, the driving motor 23 drives the screw rod 24 to rotate, the screw rod 24 drives the nut sleeve 25 to move upwards under the control of the driving motor 23, and further drives the lifting table 22 to move upwards, so that the lifting table 22 is linked with the microphone 3 to lift from the lower part of the table top plate 11 to the upper part of the table top plate 11, and the microphone can be used conveniently; when the descending button is operated, firstly, the screw rod 24 drives the nut sleeve 25 to make descending motion under the control of the driving motor 23, and further drives the lifting table 22 to descend, so that the lifting table 22 is linked with the microphone 3 to descend from the upper part of the table top plate 11 to the lower part of the table top plate 11, and then, the electric push rod 4 extends and drives the rotating plate 13 to rotate upwards, so as to seal the through hole 110, so as to facilitate the storage of the microphone.
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 (8)
1. The utility model provides an automatic rising sound collecting device for teacher's podium, including podium (1), the well upper portion of podium (1) is provided with desktop board (11), the bottom of podium (1) be provided with podium (1) fixed connection or integrated into one piece's bottom plate (12), its characterized in that: the base plate (12) is fixedly provided with a lifting mechanism (2) positioned below the desktop plate (11), the lifting mechanism (2) is fixedly provided with a microphone (3) used for picking sound, the desktop plate (11) is provided with a through hole (110), the desktop plate (11) is hinged with a rotating plate (13) used for closing or opening the through hole (110), and after the through hole (110) is rotated and opened through the rotating plate (13), the lifting mechanism (2) drives the microphone (3) to ascend from the lower part of the desktop plate (11) to the upper part of the desktop plate (11); when the lifting mechanism (2) drives the microphone (3) to descend to the lower part of the table top plate (11) from the upper part of the table top plate (11), the through hole (110) is closed by rotating the rotating plate (13).
2. The automatic lifting sound collecting device for teacher's platform as claimed in claim 1, wherein: the lifting mechanism (2) comprises a base (21) fixedly connected with the base plate (12), a sliding cavity (211) with an upward opening is formed in the base (21), a lifting platform (22) matched with the sliding cavity (211) is arranged in the sliding cavity (211) in a sliding mode, a screw rod (24) capable of rotating under the control of a driving motor (23) is further arranged in the sliding cavity (211), an accommodating cavity (221) with a downward opening is formed in the lifting platform (22), the screw rod (24) is connected with a nut sleeve (25) arranged in the accommodating cavity (221) through threads, and the screw rod (24) drives the nut sleeve (25) to move up and down under the control of the driving motor (23) so as to drive the lifting platform (22) to lift up and down.
3. The automatic lifting and sound collecting device for teacher's lecture table as claimed in claim 2, wherein: be provided with on bottom plate (12) and be located just be used for settling between bottom plate (12) and base (21) mounting groove (121) of driving motor (23), the dead eye relative with mounting groove (121) position is seted up to base (21) bottom, bearing (20) are installed to the dead eye, lead screw (24) including lead screw body (241) and with lead screw body (241) integrated into one piece's pivot (242), the lower extreme of pivot (242) pass with it looks adaptation behind bearing (20) with the output fixed connection of driving motor (23).
4. The automatic lifting and sound collecting device for teacher's lecture table as claimed in claim 3, wherein: the lower end of the rotating shaft (242) is provided with an insertion hole (243) for inserting the output end of the driving motor (23) into the insertion hole, and the output end of the driving motor (23) is tightly matched with the insertion hole (243) through a screw.
5. The automatic lifting and sound collecting device for teacher's lecture table as claimed in claim 2, wherein: the cross section of sliding cavity (211) is square, all fixed slider (222) that is provided with all around of elevating platform (22), sliding cavity (211) inner wall all around is provided with the confession slider (222) one-to-one male spout (212), elevating platform (22) pass through slider (222) insert to make in spout (212) elevating platform (22) relative base (21) slides from top to bottom.
6. The automatic lifting and sound collecting device for teacher's lecture table as claimed in claim 2, wherein: a cross-shaped connecting rod (251) is fixedly arranged on the periphery of the nut sleeve (25), and the connecting rod (251) of the nut sleeve (25) is fixedly connected with the lower part of the lifting platform (22) through a screw.
7. The automatic lifting/lowering sound collecting device according to any one of claims 1 to 6, wherein: an electric push rod (4) is further arranged below the tabletop plate (11), the bottom end of the electric push rod (4) is hinged to the inner side of the platform (1), and the telescopic end of the electric push rod (4) is hinged to the bottom end of the rotating plate (13).
8. The automatic lifting/lowering sound collecting device for teacher's lecture table as claimed in claim 7, wherein: the rotating plates (13) and the electric push rods (4) are respectively provided with two, the electric push rods (4) respectively control the two rotating plates (13) to rotate in a one-to-one correspondence mode, and the two rotating plates (13) are respectively hinged to the inner opposite sides of the through holes (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978380.XU CN214548017U (en) | 2020-12-08 | 2020-12-08 | Automatic lifting sound collecting device for teacher platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978380.XU CN214548017U (en) | 2020-12-08 | 2020-12-08 | Automatic lifting sound collecting device for teacher platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214548017U true CN214548017U (en) | 2021-11-02 |
Family
ID=78364359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022978380.XU Expired - Fee Related CN214548017U (en) | 2020-12-08 | 2020-12-08 | Automatic lifting sound collecting device for teacher platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214548017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531627A (en) * | 2022-02-22 | 2022-05-24 | 杭州席媒科技有限公司 | Gun type lifting microphone |
-
2020
- 2020-12-08 CN CN202022978380.XU patent/CN214548017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531627A (en) * | 2022-02-22 | 2022-05-24 | 杭州席媒科技有限公司 | Gun type lifting microphone |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |