CN112653981A - Think political affairs teaching and use megaphone - Google Patents
Think political affairs teaching and use megaphone Download PDFInfo
- Publication number
- CN112653981A CN112653981A CN202011490530.0A CN202011490530A CN112653981A CN 112653981 A CN112653981 A CN 112653981A CN 202011490530 A CN202011490530 A CN 202011490530A CN 112653981 A CN112653981 A CN 112653981A
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- CN
- China
- Prior art keywords
- loudspeaker
- gear
- outer side
- bonded
- seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/04—Electric megaphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a precaution teaching loudspeaker which comprises a loudspeaker body, a loudspeaker and a gear, wherein the loudspeaker is embedded in the outer side of the bottom of the loudspeaker body, a fixing groove is formed in the outer side of the middle of the loudspeaker body, a fixing seat is bonded on the inner wall of the fixing groove, a placing groove is reserved in the fixing seat, a clamping plate is connected in the placing groove, a spring is fixed on the bottom of the clamping plate and the inner wall of the placing groove, a winding frame is bonded in the middle of the fixing groove, a winding post is fixed in the winding frame, a movable seat is bonded on the outer side of the loudspeaker body, a guide rod penetrates through the movable seat, one end of the guide rod is connected with a movable rod, a clamping block is bonded on the outer side of the movable rod, the gear is connected with an outer side shaft of the loudspeaker body, the gear is located on the outer side. This think political affairs megaphone for teaching can receive and release headset and electric wire, can carry out dustproof protection to loudspeaker and the headset of receiving and releasing simultaneously.
Description
Technical Field
The invention relates to the technical field of ideological and political affairs teaching, in particular to a loudspeaker for ideological and political affairs teaching.
Background
Think political affairs teaching time, mr and cadre carry out the propaganda of ideological and political theory to student and masses, in think political affairs teaching, involve many people and teach simultaneously, for letting all people can both hear sound, need enlarge mr's sound with the help of the megaphone, nevertheless current megaphone has following problem when using:
the use of megaphone, earphone and the electric wire that need be equipped with to correspond, earphone loses when preventing it to deposit, need fix the earphone on the megaphone and receive and release, involves the use of loudspeaker in the megaphone simultaneously, when depositing, for avoiding the dust to get into loudspeaker inside, influences its life, needs shelter from and dustproof protection loudspeaker.
In order to solve the above problems, innovative design based on the original loudspeaker is urgently needed.
Disclosure of Invention
The invention aims to provide a sound amplifier for thinking and political affairs teaching, which aims to solve the problems that the existing sound amplifier provided by the background technology needs to fixedly receive and release earphones on the sound amplifier and needs to shield and prevent dust for a loudspeaker.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a think political affairs megaphone for teaching, includes the ware body, loudspeaker and gear, the embedded loudspeaker of installing in the outside of ware body bottom, and the fixed slot has been seted up in the ware body middle part outside, it has the fixing base to bond on the inner wall of fixed slot, and has the standing groove in advance on the fixing base, the standing groove in-connection has splint, and is fixed with the spring on the bottom of splint and the inner wall of standing groove, the middle part of fixed slot bonds and has the reel frame, and is fixed with the wrapping post in the reel frame, the outside of the ware body bonds and has the sliding seat, and runs through the guide arm in the sliding seat, the one end of guide arm is connected with the movable rod, and the outside of movable rod bonds and has the fixture block, the outside hub connection of the ware body has the gear, and the gear.
Preferably, the fixing seats are distributed at equal angles with respect to the central axis of the fixing groove, and the fixing seats are designed to be arc-shaped structures.
Preferably, the clamping plate is connected with the placing groove through a shaft, and an inclined included angle is formed between the clamping plate and the placing groove.
Preferably, the guide rod is in threaded connection with the movable seat, and the guide rod is in rotational connection with the movable rod.
Preferably, the clamping blocks are distributed on the movable rod at equal intervals, and the clamping blocks are meshed with the gear.
Preferably, the baffle corresponds to the distribution positions of the horn and the fixing groove, and the sectional area of the baffle is larger than that of the horn and the fixing groove.
Compared with the prior art, the invention has the beneficial effects that: the ideological and political affairs teaching loudspeaker;
1. the fixing seats are distributed in an equal angle mode about the central axis of the fixing groove, the fixing seats are in arc-shaped structural design, the clamping plates are connected with the placing groove in a shaft mode, an inclined included angle is formed between the clamping plates and the placing groove, when the headset is placed in the placing groove, the headset is in contact with the clamping plates to drive the clamping plates to rotate, the headset is fixed in a matched mode with the use of a spring, and meanwhile, a winding frame and a winding column are matched to wind a circuit;
2. threaded connection between guide arm and the sliding seat through setting up, and rotate between guide arm and the movable rod and be connected for through rotating the guide arm, can drive the horizontal migration of movable rod, intermeshing between the fixture block of equidistant distribution and the gear simultaneously drives the rotation of gear through the movable rod, rotates the baffle on the gear to the top of loudspeaker and fixed slot, protects loudspeaker and headset.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the fixing base of the present invention;
FIG. 4 is a schematic side sectional view of the present invention.
In the figure: 1. a body; 2. a horn; 3. fixing grooves; 4. a fixed seat; 5. a placement groove; 6. a splint; 7. a spring; 8. a winding frame; 9. a winding post; 10. a movable seat; 11. a guide bar; 12. a movable rod; 13. a clamping block; 14. a gear; 15. and a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a think political affairs teaching uses the loudspeaker, including the body 1, loudspeaker 2, fixed slot 3, fixed seat 4, standing groove 5, clamp plate 6, spring 7, bobbin frame 8, winding post 9, movable seat 10, guide arm 11, movable rod 12, fixture block 13, gear 14 and baffle 15, the outside of the body 1 bottom is embedded to install loudspeaker 2, and the body 1 middle part outside is equipped with fixed slot 3, the fixed seat 4 is bonded on the inner wall of the fixed slot 3, and reserve on the fixed seat 4 and leave the standing groove 5, connect with clamp plate 6 in the standing groove 5, and the bottom of the clamp plate 6 and on the inner wall of the standing groove 5 are fixed with spring 7, the middle part of the fixed slot 3 is bonded with bobbin frame 8, and fixed with winding post 9 in the bobbin frame 8, the body 1 outside is bonded with movable seat 10, and pass through the guide arm 11 in the movable seat 10, one end of the guide arm 11 is connected with movable rod 12, and the outside of the movable rod 12 is bonded with fixture, a gear 14 is axially connected to the outer side of the device body 1, the gear 14 is positioned on the outer side of the movable rod 12, and a baffle 15 is bonded to the outer side of the gear 14;
the fixing seats 4 are distributed in an equal angle mode about the central axis of the fixing groove 3, the fixing seats 4 are designed to be arc-shaped structures, so that earphones can be conveniently fixed in multiple positions through the fixing seats 4, and can be conveniently collected and released;
the clamping plate 6 is connected with the placing groove 5 through a shaft, an inclined included angle is formed between the clamping plate 6 and the placing groove 5, the headset is in contact with the clamping plate 6 to drive the clamping plate 6 to rotate, and the headset is clamped and fixed in cooperation with the spring 7;
the guide rod 11 is in threaded connection with the movable seat 10, and the guide rod 11 is in rotational connection with the movable rod 12, so that when the guide rod 11 is rotated, the guide rod 11 is in threaded connection with the movable seat 10 to drive the guide rod 11 to horizontally move, and meanwhile, the guide rod 11 can rotate on the movable rod 12 to drive the movable rod 12 to horizontally move;
the fixture blocks 13 are distributed on the movable rod 12 at equal intervals, the fixture blocks 13 are meshed with the gear 14, and when the movable rod 12 moves horizontally, the fixture blocks 13 are in contact with the gear 14 to drive the gear 14 to rotate;
The working principle is as follows: when the ideological and political affairs teaching loudspeaker is used, as shown in fig. 1-3, firstly, an earphone matched with the earphone is placed in the fixed groove 3, the earphone is inserted into the placing groove 5 on the fixed seat 4, the earphone is contacted with the clamping plate 6 to drive the clamping plate 6 to rotate in the placing groove 5, the earphone is fixed in the placing groove 5 through the clamping plate 6 in cooperation with the use of the spring 7, the whole earphone is fixed through the fixed seats 4, and meanwhile, a circuit on the earphone is wound on the winding post 9 in the winding frame 8 to wind and release the earphone;
next, as shown in fig. 1 and 4, the guide rod 11 on the movable seat 10 is manually rotated, the guide rod 11 is connected with the movable seat 10 by a screw thread, so that the guide rod 11 can horizontally move, meanwhile, the guide rod 11 is rotatably connected with the movable rod 12, the bottom of the movable rod 12 is attached to the outer side of the device body 1, so that the movable rod 12 can horizontally move along with the guide rod 11, the fixture block 13 on the outer side of the movable rod 12 is in meshing contact with the gear 14, so as to drive the gear 14 to rotate, the gear 14 drives the baffle 15 to move, so that the baffle 15 moves above the speaker 2 and the fixed slot 3, and the earphone in the speaker 2 and the fixed slot 3 is protected from dust.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a think political affairs teaching and use megaphone, includes the ware body (1), loudspeaker (2) and gear (14), its characterized in that: the loudspeaker (2) is installed in an embedded mode on the outer side of the bottom of the device body (1), the fixing groove (3) is formed in the outer side of the middle of the device body (1), the fixing seat (4) is bonded to the inner wall of the fixing groove (3), the placing groove (5) is reserved on the fixing seat (4), the clamping plate (6) is connected into the placing groove (5), the spring (7) is fixed to the bottom of the clamping plate (6) and the inner wall of the placing groove (5), the winding frame (8) is bonded to the middle of the fixing groove (3), the winding column (9) is fixed into the winding frame (8), the movable seat (10) is bonded to the outer side of the device body (1), the guide rod (11) penetrates through the movable seat (10), the movable rod (12) is connected to one end of the guide rod (11), the clamping block (13) is bonded to the outer side of the movable rod (12), and the gear (14) is connected to, the gear (14) is positioned outside the movable rod (12), and a baffle (15) is adhered outside the gear (14).
2. The ideology and education loudspeaker according to claim 1, wherein: the fixing seat (4) is distributed in an equal angle mode about the central axis of the fixing groove (3), and the fixing seat (4) is designed to be of an arc-shaped structure.
3. The ideology and education loudspeaker according to claim 1, wherein: the clamping plates (6) are connected with the placing grooves (5) through shafts, and inclined included angles are formed between the clamping plates (6) and the placing grooves (5).
4. The ideology and education loudspeaker according to claim 1, wherein: the guide rod (11) is in threaded connection with the movable seat (10), and the guide rod (11) is in rotary connection with the movable rod (12).
5. The ideology and education loudspeaker according to claim 1, wherein: the clamping blocks (13) are distributed on the movable rod (12) at equal intervals, and the clamping blocks (13) are meshed with the gear (14).
6. The ideology and education loudspeaker according to claim 1, wherein: the baffle (15) corresponds to the distribution positions of the horn (2) and the fixing groove (3), and the sectional area of the baffle (15) is larger than that of the horn (2) and the fixing groove (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011490530.0A CN112653981A (en) | 2020-12-17 | 2020-12-17 | Think political affairs teaching and use megaphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011490530.0A CN112653981A (en) | 2020-12-17 | 2020-12-17 | Think political affairs teaching and use megaphone |
Publications (1)
Publication Number | Publication Date |
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CN112653981A true CN112653981A (en) | 2021-04-13 |
Family
ID=75354510
Family Applications (1)
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CN202011490530.0A Withdrawn CN112653981A (en) | 2020-12-17 | 2020-12-17 | Think political affairs teaching and use megaphone |
Country Status (1)
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CN (1) | CN112653981A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338481A2 (en) * | 1988-04-22 | 1989-10-25 | ELLE ENNE S.r.l. | Folding loudspeaker box |
EP1164814A2 (en) * | 2000-06-16 | 2001-12-19 | Funktion One Research | Loudspeaker |
EP0807716B1 (en) * | 1996-05-14 | 2003-07-23 | Suiden Co., Ltd. | Large-scale cleaning vehicle |
US20060140439A1 (en) * | 2004-12-27 | 2006-06-29 | Takahiro Nakagawa | Gasket member, diaphragm, flat panel speaker, method of mounting same flat panel speaker, and method of assembling electronic device |
CN207328314U (en) * | 2017-09-27 | 2018-05-08 | 扬州晶视科技发展有限公司 | The Bluetooth connection structure of vehicle-loaded video player |
CN208094798U (en) * | 2018-03-20 | 2018-11-13 | 广州市天历德电子科技有限公司 | A kind of teaching loudspeaker |
CN208850056U (en) * | 2018-11-07 | 2019-05-10 | 合肥宏立电子有限公司 | A kind of dust-proof hand-held loudspeaker |
CN210007896U (en) * | 2019-08-20 | 2020-01-31 | 沈阳工学院 | speaker for college foreign language teaching |
CN210431733U (en) * | 2019-10-16 | 2020-04-28 | 石家庄航广电子有限公司 | Dustproof power amplifier that barrier propterty is good |
-
2020
- 2020-12-17 CN CN202011490530.0A patent/CN112653981A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338481A2 (en) * | 1988-04-22 | 1989-10-25 | ELLE ENNE S.r.l. | Folding loudspeaker box |
EP0807716B1 (en) * | 1996-05-14 | 2003-07-23 | Suiden Co., Ltd. | Large-scale cleaning vehicle |
EP1164814A2 (en) * | 2000-06-16 | 2001-12-19 | Funktion One Research | Loudspeaker |
US20060140439A1 (en) * | 2004-12-27 | 2006-06-29 | Takahiro Nakagawa | Gasket member, diaphragm, flat panel speaker, method of mounting same flat panel speaker, and method of assembling electronic device |
CN207328314U (en) * | 2017-09-27 | 2018-05-08 | 扬州晶视科技发展有限公司 | The Bluetooth connection structure of vehicle-loaded video player |
CN208094798U (en) * | 2018-03-20 | 2018-11-13 | 广州市天历德电子科技有限公司 | A kind of teaching loudspeaker |
CN208850056U (en) * | 2018-11-07 | 2019-05-10 | 合肥宏立电子有限公司 | A kind of dust-proof hand-held loudspeaker |
CN210007896U (en) * | 2019-08-20 | 2020-01-31 | 沈阳工学院 | speaker for college foreign language teaching |
CN210431733U (en) * | 2019-10-16 | 2020-04-28 | 石家庄航广电子有限公司 | Dustproof power amplifier that barrier propterty is good |
Non-Patent Citations (1)
Title |
---|
张雪松: "大容量机组静电除尘器的安装", 《科技资讯》 * |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210413 |