CN208850056U - A kind of dust-proof hand-held loudspeaker - Google Patents
A kind of dust-proof hand-held loudspeaker Download PDFInfo
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- CN208850056U CN208850056U CN201821824000.3U CN201821824000U CN208850056U CN 208850056 U CN208850056 U CN 208850056U CN 201821824000 U CN201821824000 U CN 201821824000U CN 208850056 U CN208850056 U CN 208850056U
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- dust
- wall
- rotating disc
- installation cavity
- rack gear
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Abstract
The utility model discloses a kind of dust-proof hand-held loudspeaker, including speaker body, the bottom side of the speaker body is fixedly installed with handheld handle, installation cavity is offered in speaker body, installation cavity is rotatably equipped with rotating bar on the side inner wall of handheld handle, gear has been fixedly attached in rotating bar, rack gear is engaged on gear, shifting chute is offered on the top side inner wall of installation cavity, the top side of rack gear extends in shifting chute, the lower section of rack gear is equipped with the elliptical aperture being provided on the inner wall of installation cavity bottom side, is movably installed with stretch rod in elliptical aperture.The utility model structure is simple; it is mobile by the mobile band carry-over bar of stretch rod; rack gear is mobile to drive turn disc, turn disc to drive dust excluding plate to move in sound outlet hole, make to need using when; dust excluding plate opening is located in sound outlet hole; when not used, dust excluding plate is moved in movable span, effectively reduces dust and enters in speaker body; it is easy to use to protect the service life of loudspeaker.
Description
Technical field
The utility model relates to loudspeaker technical fields, more particularly to a kind of dust-proof hand-held loudspeaker.
Background technique
Loudspeaker are divided into several different musical instruments, and a kind of wind instrument is up-thin-low-thick, are made of copper more, and another kind is modern
Electroacoustic component, effect are to convert electrical signals to sound, are also loudspeaker, and existing most hand-held loudspeaker have in use
The puzzlement of dust.
Publication No. CN1164146C discloses the structure and its preparation method of a kind of loudspeaker, the predominantly frame in a kind of loudspeaker
The side of ontology forms resonant cavity along its periphery fixed eardrum between the frame body and the eardrum, and its central location is installed with
Coil corresponds to the center of the coil when the coil is by excitation, and when magnetic line of force variation occurs for its central location on the eardrum
Magnetic element set by position forms by because of the variation of the magnetic line of force and inhales reprimand effect, and then the eardrum is enabled to generate vibration sending sound
Sound can substantially reduce the thickness of loudspeaker, simplify the package assembly and cost of loudspeaker, but traditional hand-held loudspeaker are being used and put
When setting, the puzzlement of dust will receive, so that sound quality decreases when loudspeaker reuse, reduce the service life of loudspeaker, because
This needs a kind of novel dust-proof hand-held loudspeaker to meet the needs of people.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the dust-proof hand-held loudspeaker of one kind proposed
?.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of dust-proof hand-held loudspeaker, including speaker body, the bottom side of the speaker body are fixedly installed with handheld handle, loudspeaker
Offer installation cavity on ontology, installation cavity is rotatably equipped with rotating bar on the side inner wall of handheld handle, in rotating bar
It has been fixedly attached gear, rack gear is engaged on gear, shifting chute is offered on the top side inner wall of installation cavity, the top side of rack gear extends
To shifting chute, the lower section of rack gear is equipped with the elliptical aperture being provided on the inner wall of installation cavity bottom side, is movably installed with drawing in elliptical aperture
Boom, the top and bottom end of stretch rod all extend to outside elliptical aperture, and the bottom side of rack gear is rotatably installed on the top of stretch rod, institute
It states rotating bar and is fixedly installed with rotating disc far from one end of handheld handle, rotating disc is fixedly installed with more far from the side of rotating bar
A circular columns, the sound outlet hole for being surrounded by multiple annulars and being provided on speaker body side of rotating disc, multiple sound outlet hole difference
Setting corresponding with multiple circular columns, the sound outlet hole offer movable span on the side inner wall of rotating disc, movable span with
The inside of installation cavity is connected, and far from dust excluding plate is movably installed on the side inner wall of rotating disc, dust excluding plate is close to be turned sound outlet hole
The side of Moving plate is fixedly installed with pull lever, and one end of the close rotating disc of pull lever extends in movable span and is rotatably equipped with
Connecting rod, connecting rod extends in installation cavity far from one end of dust excluding plate and the one end far from rotating disc that is rotatably installed in circular columns
On,
Preferably, the bottom end of the stretch rod is fixedly installed with pulling block, is socketed with rubber protecting jacket on pulling block.
Preferably, annular offers multiple card slots on the inner wall of the elliptical aperture, fixes on the two sides inner wall of stretch rod
Fixture block is installed, the side that two fixture blocks are located remotely from each other all extends in card slot.
Preferably, extension spring, the fixed peace in the bottom end of extension spring are fixedly installed on the top side inner wall of the shifting chute
On the top side of rack gear.
Preferably, the installation cavity offers rotation slot on the side inner wall of handheld handle, and rotating bar is far from rotation
One end of disk is rotatably installed in rotation slot.
Preferably, the connecting rod offers rotation hole, the one end of circular columns far from rotating disc close to the side of rotating disc
Through rotation hole.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, by speaker body, handheld handle, installation cavity, rotating bar, gear, rack gear, shifting chute, ellipse
Circular hole, stretch rod, card slot, fixture block, rotating disc, circular columns, connecting rod, sound outlet hole, movable span, dust excluding plate, limiting slot, limited block
It is used cooperatively, when needing using speaker body, the rotation of circumgyration stretch bar drives fixture block to be detached from card slot, pushes stretch rod mobile
Band carry-over bar is mobile, and by extrusion stretching spring when rack gear moves in shifting chute, the mobile band moving gear of rack gear is rotated, gear rotation
Rotating bar rotation is driven, rotating bar rotation drives turn disc, and turn disc drives circular columns rotation, and circular columns rotate band
Dynamic connecting rod is mobile, and connecting rod is mobile to drive pull lever mobile, and pull lever is mobile to drive dust excluding plate to move in sound outlet hole, when anti-
When dirt plate is moved in movable span, so that dust excluding plate will stop inside speaker body and external connection, circumgyration stretch bar, is drawn again
Boom rotation drives fixture block to extend in another card slot, achievees the effect that dust is effectively prevent to enter in speaker body；
The utility model structure is simple, and mobile by the mobile band carry-over bar of stretch rod, rack gear is mobile to drive rotating disc
Rotation, turn disc make to need in use, dust excluding plate opening is located to drive dust excluding plate to move in sound outlet hole
In sound outlet hole, when not used, dust excluding plate is moved in movable span, dust is effectively reduced and enters in speaker body, to protect
The service life of loudspeaker, it is easy to use.
Detailed description of the invention
Fig. 1 be the utility model proposes the dust-proof hand-held loudspeaker main view of one kind structural schematic diagram；
Fig. 2 be the utility model proposes the dust-proof hand-held loudspeaker side view of one kind structural schematic diagram；
Fig. 3 be the utility model proposes the dust-proof hand-held loudspeaker Fig. 1 of one kind in part A structural schematic diagram；
Fig. 4 be the utility model proposes the dust-proof hand-held loudspeaker Fig. 1 of one kind in part B structural schematic diagram；
Fig. 5 be the utility model proposes the dust-proof hand-held loudspeaker Fig. 2 of one kind in C portion structural schematic diagram.
In figure: 1 speaker body, 2 handheld handles, 3 installation cavitys, 4 rotating bars, 5 gears, 6 rack gears, 7 shifting chutes, 8 elliptical apertures,
9 stretch rods, 10 card slots, 11 fixture blocks, 12 rotating discs, 13 circular columns, 14 connecting rods, 15 sound outlet holes, 16 movable spans, 17 dust excluding plates,
18 pull lever.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-5, a kind of dust-proof hand-held loudspeaker, including speaker body 1, the bottom side of speaker body 1 are fixedly installed with hand
Handle 2 is held, installation cavity 3 is offered in speaker body 1, installation cavity 3 is rotatably equipped on the side inner wall of handheld handle 2
Lever 4 has been fixedly attached gear 5 in rotating bar 4, rack gear 6 is engaged on gear 5, offers shifting on the top side inner wall of installation cavity 3
Dynamic slot 7, the top side of rack gear 6 extend in shifting chute 7, and the lower section of rack gear 6 is equipped with the ellipse being provided on 3 bottom side inner wall of installation cavity
Hole 8 is movably installed with stretch rod 9 in elliptical aperture 8, and the top and bottom end of stretch rod 9 all extend to outside elliptical aperture 8, the bottom of rack gear 6
Side is rotatably installed on the top of stretch rod 9, and rotating bar 4 is fixedly installed with rotating disc 12 far from one end of handheld handle 2, rotation
Disk 12 is fixedly installed with multiple circular columns 13 far from the side of rotating bar 4, and multiple annulars that are surrounded by of rotating disc 12 are provided with
Sound outlet hole 15 on 1 side of speaker body, setting corresponding with multiple circular columns 13, sound outlet hole 15 lean on multiple sound outlet holes 15 respectively
Movable span 16 is offered on the side inner wall of nearly rotating disc 12, movable span 16 is connected with the inside of installation cavity 3, and sound outlet hole 15 is remote
Dust excluding plate 17 is movably installed on side inner wall from rotating disc 12, dust excluding plate 17 is fixedly installed with close to the side of rotating disc 12
Pull lever 18, one end of the close rotating disc 12 of pull lever 18 extend in movable span 16 and are rotatably equipped with connecting rod 14, even
Extension bar 14 extends in installation cavity 3 far from one end of dust excluding plate 17 and is rotatably installed in the one end of circular columns 13 far from rotating disc 12
On, when needing using speaker body 1, the rotation of circumgyration stretch bar 9 drives fixture block 11 to be detached from card slot 10, and stretch rod 9 is pushed to move
Dynamic band carry-over bar 6 is mobile, and by extrusion stretching spring when rack gear 6 moves in shifting chute 7, the mobile band moving gear 5 of rack gear 6 is rotated,
The rotation of gear 5 drives rotating bar 4 to rotate, and the rotation of rotating bar 4 drives rotating disc 12 to rotate, and the rotation of rotating disc 12 drives circular columns 13
Rotation.
The bottom end of stretch rod 9 is fixedly installed with pulling block, and rubber protecting jacket, ring on the inner wall of elliptical aperture 8 are socketed on pulling block
Shape offers multiple card slots 10, and fixture block 11 is fixedly installed on the two sides inner wall of stretch rod 9, what two fixture blocks 11 were located remotely from each other
Side all extends in card slot 10, and extension spring is fixedly installed on the top side inner wall of shifting chute 7, and the bottom end of extension spring is fixed
It is mounted on the top side of rack gear 6, installation cavity 3 offers rotation slot on the side inner wall of handheld handle 2, and rotating bar 4 is separate
One end of rotating disc 12 is rotatably installed in rotation slot, and connecting rod 14 offers rotation hole close to the side of rotating disc 12, round
Column 13 runs through rotation hole far from one end of rotating disc 12, and the rotation of circular columns 13 drives connecting rod 14 mobile, the mobile band of connecting rod 14
Dynamic pull lever 18 is mobile, and pull lever 18 is mobile to drive dust excluding plate 17 to move in sound outlet hole 15, when dust excluding plate 17 is moved to activity
When in hole 16, so that dust excluding plate 16 will stop 1 inside of speaker body and external connection, circumgyration stretch bar 9, stretch rod 9 revolve again
Turn that fixture block 11 is driven to extend in another card slot 10, achievees the purpose that dust is effectively prevent to enter in speaker body 1.
Working principle: when needing using speaker body 1, the rotation of circumgyration stretch bar 9 drives fixture block 11 to be detached from card slot 10,
Push the mobile band carry-over bar 6 of stretch rod 9 mobile, by extrusion stretching spring, the mobile band of rack gear 6 when rack gear 6 moves in shifting chute 7
Moving gear 5 rotates, and the rotation of gear 5 drives rotating bar 4 to rotate, and the rotation of rotating bar 4 drives rotating disc 12 to rotate, and rotating disc 12 rotates
Circular columns 13 are driven to rotate, the rotation of circular columns 13 drives connecting rod 14 mobile, and connecting rod 14 is mobile to drive pull lever 18 mobile, draws
Lever 18 is mobile to drive dust excluding plate 17 to move in sound outlet hole 15, when dust excluding plate 17 is moved in movable span 16, so that dust-proof
Plate 16 will stop 1 inside of speaker body and external connection, again circumgyration stretch bar 9, and the rotation of stretch rod 9 drives fixture block 11 to extend to
In another card slot 10, achieve the purpose that dust is effectively prevent to enter in speaker body 1.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of dust-proof hand-held loudspeaker, including speaker body (1), which is characterized in that the fixed peace in the bottom side of the speaker body (1)
It equipped with handheld handle (2), is offered in speaker body (1) installation cavity (3), installation cavity (3) is in the side of handheld handle (2)
It is rotatably equipped with rotating bar (4), has been fixedly attached in rotating bar (4) gear (5) on wall, rack gear (6) are engaged on gear (5),
It is offered on the top side inner wall of installation cavity (3) shifting chute (7), the top side of rack gear (6) extends in shifting chute (7), rack gear (6)
Lower section is equipped with the elliptical aperture (8) being provided on the inner wall of installation cavity (3) bottom side, is movably installed with stretch rod (9) in elliptical aperture (8),
The top and bottom end of stretch rod (9) all extend to elliptical aperture (8) outside, and the bottom side of rack gear (6) is rotatably installed in the top of stretch rod (9)
On end, the rotating bar (4) is fixedly installed with rotating disc (12) far from the one end of handheld handle (2), and rotating disc (12) is separate to be turned
The side of lever (4) is fixedly installed with multiple circular columns (13), and multiple annulars that are surrounded by of rotating disc (12) are provided with loudspeaker
Sound outlet hole (15) on ontology (1) side, the setting corresponding with multiple circular columns (13) respectively of multiple sound outlet holes (15), it is described go out
Sound hole (15) offers movable span (16) on the side inner wall of rotating disc (12), and movable span (16) is interior with installation cavity (3)
Portion is connected, and is movably installed with dust excluding plate (17) on the side inner wall of sound outlet hole (15) separate rotating disc (12), dust excluding plate (17)
Side close to rotating disc (12) is fixedly installed with pull lever (18), and one end of the close rotating disc (12) of pull lever (18) extends
It in movable span (16) and is rotatably equipped with connecting rod (14), connecting rod (14) extends to installation far from the one end of dust excluding plate (17)
In chamber (3) and circular columns (13) are rotatably installed in far from the one end of rotating disc (12).
2. the dust-proof hand-held loudspeaker of one kind according to claim 1, which is characterized in that the bottom end of the stretch rod (9) is fixed
Pulling block is installed, is socketed with rubber protecting jacket on pulling block.
3. the dust-proof hand-held loudspeaker of one kind according to claim 1, which is characterized in that ring on the inner wall of the elliptical aperture (8)
Shape offers multiple card slots (10), is fixedly installed on the two sides inner wall of stretch rod (9) fixture block (11), two fixture block (11) phases
Mutually separate side all extends in card slot (10).
4. the dust-proof hand-held loudspeaker of one kind according to claim 1, which is characterized in that the top side inner wall of the shifting chute (7)
On be fixedly installed with extension spring, the bottom end of extension spring is fixedly mounted on the top side of rack gear (6).
5. the dust-proof hand-held loudspeaker of one kind according to claim 1, which is characterized in that the installation cavity (3) is close to hand-held handle
Rotation slot is offered on the side inner wall of handle (2), rotating bar (4) is rotatably installed in rotation slot far from the one end of rotating disc (12)
It is interior.
6. the dust-proof hand-held loudspeaker of one kind according to claim 1, which is characterized in that the connecting rod (14) is close to rotating disc
(12) side offers rotation hole, and circular columns (13) run through rotation hole far from the one end of rotating disc (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824000.3U CN208850056U (en) | 2018-11-07 | 2018-11-07 | A kind of dust-proof hand-held loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824000.3U CN208850056U (en) | 2018-11-07 | 2018-11-07 | A kind of dust-proof hand-held loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208850056U true CN208850056U (en) | 2019-05-10 |
Family
ID=66376668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821824000.3U Active CN208850056U (en) | 2018-11-07 | 2018-11-07 | A kind of dust-proof hand-held loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208850056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233705A (en) * | 2020-10-15 | 2021-01-15 | 河南卓立瀚光科技有限公司 | Outdoor waterproof and windproof recording device and use method thereof |
| CN112653981A (en) * | 2020-12-17 | 2021-04-13 | 柳琴琴 | Think political affairs teaching and use megaphone |
-
2018
- 2018-11-07 CN CN201821824000.3U patent/CN208850056U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233705A (en) * | 2020-10-15 | 2021-01-15 | 河南卓立瀚光科技有限公司 | Outdoor waterproof and windproof recording device and use method thereof |
| CN112233705B (en) * | 2020-10-15 | 2021-11-12 | 河南卓立瀚光科技有限公司 | Outdoor waterproof and windproof recording device |
| CN112653981A (en) * | 2020-12-17 | 2021-04-13 | 柳琴琴 | Think political affairs teaching and use megaphone |
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