CN205958911U - Projector - Google Patents
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- CN205958911U CN205958911U CN201620959226.9U CN201620959226U CN205958911U CN 205958911 U CN205958911 U CN 205958911U CN 201620959226 U CN201620959226 U CN 201620959226U CN 205958911 U CN205958911 U CN 205958911U
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- vibrating diaphragm
- installing hole
- audio amplifier
- projecting apparatus
- bass
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Abstract
The utility model provides a projector belongs to the projection equipment field. This projector includes casing, audio amplifier and damping device, the audio amplifier reaches damping device all sets up in the casing, the audio amplifier is including the cavity that is equipped with loudspeaker, the vibrating diaphragm orientation of loudspeaker the outside of cavity, the outer wall of cavity is provided with the bass vibrating diaphragm, the audio amplifier passes through damping device with the casing is connected, be provided with the opening on the casing, the bass vibrating diaphragm is located in the opening. This embodiment has promoted projector's bass effect effectively, and the aggravation that has just improved the audio amplifier vibration of bass vibrating diaphragm introduction back effectively results in the problem of the shake of projector camera lens, projection picture unstability.
Description
Technical field
The utility model is related to projector equipment field, in particular to a kind of projecting apparatus.
Background technology
Projecting apparatus is widely used in the work and life of people as a kind of projection display apparatus.Need with user
The raising asked, existing big multi-projector is all built-in with audio amplifier.However, due to being limited by projecting apparatus volume, the chi of audio amplifier
Very little typically small.Because the size of the loudspeaker of small size audio amplifier use is also relatively small, that is, the bore of Loudspeaker diaphragm is less, and it is every
The air capacity promoting during secondary vibration is less.And the volume of air that loudspeaker promote and the bass texture of loudspeaker have direct relation, because
This lead to projecting apparatus bass texture poor.
Utility model content
In consideration of it, the utility model provides a kind of projecting apparatus, by arranging bass vibrating diaphragm and damping device, effectively change
It has been apt to the poor problem of projecting apparatus bass texture.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of projecting apparatus, including housing, audio amplifier and damping device, described audio amplifier and described damping device are arranged at described
In housing, described audio amplifier includes the cavity being provided with loudspeaker, the vibrating diaphragm of described loudspeaker towards the outside of described cavity, described cavity
Outer wall is provided with bass vibrating diaphragm, and described audio amplifier is connected with described housing by described damping device, and described housing is provided with out
Mouthful, described bass vibrating diaphragm is located in described opening.
In the utility model preferred embodiment, the direction of vibration of above-mentioned bass vibrating diaphragm is shaken with the vibrating diaphragm of described loudspeaker
Dynamic direction is vertical.
In the utility model preferred embodiment, above-mentioned bass vibrating diaphragm is arranged on the bottom of described cavity, described opening
The corresponding bottom being arranged on described housing.
In the utility model preferred embodiment, the quantity of above-mentioned bass vibrating diaphragm is consistent with the quantity of described loudspeaker, institute
The open amount stating setting on housing is consistent with the quantity of described bass vibrating diaphragm.
In the utility model preferred embodiment, the quantity of above-mentioned bass vibrating diaphragm is two, including the first bass vibrating diaphragm
With the second bass vibrating diaphragm, described first bass vibrating diaphragm is identical with the direction of vibration of described second bass vibrating diaphragm.
In the utility model preferred embodiment, above-mentioned damping device include support member and with described support member
The dampening assembly connecting, described dampening assembly includes the first beam, one end of described support member and described case inside wall
Connect, the other end of described support member is connected with described first beam, and the cavity lateral wall of described audio amplifier is provided with support
Piece, described support chip is nested in the outside of described first beam.
In the utility model preferred embodiment, the first beam described above includes the first installing hole and pad, institute
State projection and the depression that pad includes being molded over respectively the end face of described pad, multiple described projections and multiple described depression replace
Setting, two described pads are separately positioned on the two ends of described first beam, are formed for embedding between two described pads
The vacancy of described support chip, described two described pads of first installing hole insertion..
In the utility model preferred embodiment, above-mentioned dampening assembly also includes the second beam and the 3rd beam,
Described first beam is arranged between described second beam and described 3rd beam, the other end of described support member with
Described 3rd beam connects, and described support member includes cavity and pilot hole, and described second beam includes the second installing hole,
Described 3rd beam includes the 3rd installing hole, described pilot hole and described first installing hole, described second installing hole, described the
Three installing holes are all arranged concentrically, and described pilot hole is connected with described cavity.
In the utility model preferred embodiment, above-mentioned damping device also includes securing member, described securing member respectively with
Described first installing hole, described second installing hole, described 3rd installing hole and the cooperation of described pilot hole.
In the utility model preferred embodiment, described securing member is screw, and described screw includes screw cap, non-threaded
Bar and have threaded rod, when described screw is in tightening state, described have threaded rod and described pilot hole cooperation, described non-threaded
Bar runs through described first installing hole, described second installing hole and described 3rd installing hole, and described second beam and described spiral shell
There is between the head of a nail non-threaded bar of preset length.
It is additionally arranged bass vibrating diaphragm, by bass vibrating diaphragm and loudspeaker in the audio amplifier of projecting apparatus that the utility model embodiment provides
Cooperation effectively improve the bass effect of projecting apparatus.Further, audio amplifier is connected with housing by damping device, effectively changes
The aggravation being apt to audio amplifier vibration after bass vibrating diaphragm introduces leads to the unstable problem of projector lens shake, projected picture.
Brief description
In order to be illustrated more clearly that the technical scheme of the utility model embodiment, below will be to use required in embodiment
Accompanying drawing be briefly described it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other related accompanying drawings according to these accompanying drawings.
A kind of stereogram of projecting apparatus that Fig. 1 provides for the utility model embodiment；
A kind of upward view of projecting apparatus that Fig. 2 provides for the utility model embodiment；
The mounting structure of a kind of damping device of the projecting apparatus that Fig. 3 provides for the utility model embodiment and support chip is illustrated
Figure；
The structural representation of the first beam in the damping device of the projecting apparatus that Fig. 4 provides for the utility model embodiment；
Another kind of damping device of the projecting apparatus that Fig. 5 provides for the utility model embodiment and the mounting structure of support chip show
It is intended to；
In another kind of damping device of the projecting apparatus that Fig. 6 provides for the utility model embodiment, the structure of the second beam is shown
It is intended to；
In another kind of damping device of the projecting apparatus that Fig. 7 provides for the utility model embodiment, the structure of the 3rd beam is shown
It is intended to.
Reference numerals list：
Projecting apparatus 100；Housing 110；Opening 111；Audio amplifier 120；Loudspeaker 121；Bass vibrating diaphragm 122；Support chip 123；Damping
Device 130；Support member 210；Dampening assembly 220；Securing member 230；Screw cap 231；There is threaded rod 232；Non-threaded bar 233；
Cavity 211；Pilot hole 212；First beam 221；First installing hole 241；Pad 242；Vacancy 243；Projection 244；Depression
245；Second beam 222；Second installing hole 251；First annular raised 252；First annular groove 253；3rd beam 223；
3rd installing hole 261；Second annular protrusion 262；Second cannelure 263；Sleeve 264.
Specific embodiment
Purpose, technical scheme and advantage for making the utility model embodiment are clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The assembly of the utility model embodiment illustrating can be arranged with various different configurations and design.
Therefore, below requirement is not intended to limit to the detailed description of the embodiment of the present utility model providing in the accompanying drawings
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when this utility model product uses, be for only for ease of description the utility model and letter
Change description, rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or hint relative importance.
In addition it is also necessary to explanation in description of the present utility model, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", for example, it may be being fixedly connected or being detachably connected,
Or be integrally connected；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning in the utility model for the above-mentioned term.
As shown in figure 1, the utility model provides a kind of projecting apparatus 100, at least include housing 110, audio amplifier 120 and damping
Device 130.Audio amplifier 120 and damping device 130 are arranged in housing 110.Audio amplifier 120 passes through damping device 130 and housing 110
Connect.It should be noted that other general components within unshowned projecting apparatus 100 are also contained in projection of the present utility model
In instrument 100, for example, camera lens, heat abstractor, control module and power module etc..
Wherein, described audio amplifier 120 includes being provided with the cavity of loudspeaker 121, and the outer wall of cavity is provided with bass vibrating diaphragm 122.Tool
Body, in order to ensure the air-tightness in cavity, cavity wall is respectively arranged with the bellmouth orifice being adapted to loudspeaker 121 and is shaken with bass
The vibrating diaphragm hole of film 122 adaptation, loudspeaker 121 are arranged on the outside of the vibrating diaphragm of loudspeaker in the hole and loudspeaker 121 towards cavity, bass vibrating diaphragm
122 are arranged on the vibrating diaphragm of vibrating diaphragm in the hole and bass vibrating diaphragm 122 also towards the outside of cavity.
Bass vibrating diaphragm 122 it is also possible to referred to as passive vibrating diaphragm or passive radiator, has the vibrating diaphragm promoting air and allows vibrating diaphragm
Recover the ring required for normal position, similar with loudspeaker 121, but there is no drive mechanism in bass vibrating diaphragm 122, itself can not send out
Go out sound.Its operation principle is usually：Bass vibrating diaphragm 122 and loudspeaker 121 are arranged in the cavity of sealing, when loudspeaker 121 work
When sending sound, the vibrating diaphragm motion of loudspeaker 121, the air in cavity can be led to be compressed and extend, in the work of air pressure change
With under, bass vibrating diaphragm 122 produce vibration, the external air of push chamber, thus send sound.
As shown in Fig. 2 being provided with opening 111 on housing 110, bass vibrating diaphragm 122 is located in opening 111 and exposes to housing
110.The shape of opening 111 is arranged all in accordance with the shape of bass vibrating diaphragm 122 and size with size.In order to reach more preferable bass effect
Really, the vibration area of bass vibrating diaphragm 122 can be more than the vibrating diaphragm area of loudspeaker 121.Additionally, in the present embodiment, bass vibrating diaphragm 122
It is preferably provided at the bottom of housing 110, accordingly, the opening 111 on housing 110 is also disposed at housing 110 bottom.So design
Purpose be, can bass vibrating diaphragm 122 vibration area design as far as possible big, and do not affect the attractive in appearance of projecting apparatus 100, low
The vibration area of sound vibrating diaphragm 122 is bigger, promotes the volume of air to be consequently increased, can greatly promote the texture of bass.In addition,
When projecting apparatus 100 is placed on desktop or other plane mechanism, due to the rebound effect of sound wave, bass effect can be improved.
It is of course also possible to be effectively protected being not damaged by of bass vibrating diaphragm 122.
In preferred embodiment of the present utility model, bass vibrating diaphragm 122 is arranged on the lower section of loudspeaker 121, and bass vibrating diaphragm
122 direction of vibration is vertical with the direction of vibration of the vibrating diaphragm of loudspeaker 121.The quantity of bass vibrating diaphragm 122 and the quantity one of loudspeaker 121
Cause.Certainly, on housing 110, opening 111 quantity of setting is consistent with the quantity of bass vibrating diaphragm 122.
As shown in figure 1, in the projecting apparatus 100 of the present embodiment offer, the quantity of loudspeaker 121 is two, and accordingly, bass shakes
The quantity of film 122 is also two, the respectively first bass vibrating diaphragm 122 and the second bass vibrating diaphragm 122.Wherein, the first bass vibrating diaphragm
122 direction of vibration can be identical with the direction of vibration of the second bass vibrating diaphragm 122.
It is understood that being applied to bass vibrating diaphragm 122 in the audio amplifier 120 of projecting apparatus 100, throwing can be effectively improved
The bass effect of shadow instrument 100.However, the introducing of bass vibrating diaphragm 122 also enhances the vibration of projecting apparatus 100 audio amplifier 120, this vibration
If cannot be eased greatly affected the work of the other structures in projecting apparatus 100, the work of camera lens especially can be affected,
Cause the shake of projecting apparatus 100 picture.Therefore, the utility model is while applying bass vibrating diaphragm 122 in projecting apparatus 100,
It is provided with damping device 130 in projecting apparatus 100 so that the audio amplifier 120 in projecting apparatus 100 passes through this damping device 130 and throws
The housing 110 of shadow instrument 100 connects, and can effectively alleviate the impact vibrated to other structures of audio amplifier 120.Below will be to damping
The structure of device 130 is introduced.
In the present embodiment, damping device 130 includes support member 210, dampening assembly 220 and connects support member 210
Securing member 230 with dampening assembly 220.The bottom of support member 210 is fixedly connected on the projecting apparatus 100 of the present embodiment offer
Inside housing 110.And in a kind of preferred embodiment of the present embodiment, the bottom of support member 210 is fixedly connected on housing
110 bottom.
Wherein, support member 210 is hollow cylinder, and it includes being arranged on the cavity 211 of inside.In support member 210
Top be provided with pilot hole 212.Pilot hole 212 is connected with cavity 211.Pilot hole 212 is coordinated with securing member 230, thus will
Dampening assembly 220 is fixed in support member 210.Support member 210 is for having to the audio amplifier 120 being connected with dampening assembly 220
Supporting role, thus audio amplifier 120 is hung setting.
In an embodiment of the present embodiment, dampening assembly 220 includes the first beam 221.As shown in figure 3, the
One beam 221 is connected with the top of support member 210.The lateral wall of the cavity of audio amplifier 120 is provided with support chip 123, this
Blade 123 is nested in the outside of the first beam 221, for connecting audio amplifier 120 and damping device 130.Preferably, support chip
123 is integrally formed with audio amplifier 120 cavity.
As shown in figure 4, the first beam 221 is in substantially I shape, it is used for the support chip 123 with setting on audio amplifier 120
Connect.First beam 221 is made up of highly elastic material, has good damping, cushioning effect.First beam 221 exists
In the presence of external force, it is extruded and deforms, after external force eliminates, return to original shape again.First beam 221 includes
One installing hole 241 and pad 242.Two pads 242 are separately positioned on the two ends of the first beam 221, and two pads 242
Between form vacancy 243 for embedding support chip 123.First installing hole, two pads 242 of 241 insertion.
First installing hole 241 is corresponding with pilot hole 212, and it passes through for securing member 230, by the first beam 221
Fixing.First installing hole 241 is arranged on the center of the first beam 221.A preferred embodiment in the present embodiment
In, the first installing hole 241 is circular port.
Pad 242 is circular laminated structure, and it includes projection 244 and the depression being molded over the end face of pad 242 respectively
245.Multiple projections 244 and multiple depression 245 are arranged alternately.Setting projection 244 and depression 245 are so that the first beam 221
Two pads 242 have space to reserve when contacting with other structures, are conducive to discharging because of loudspeaker 121 vibrating diaphragm and bass vibrating diaphragm 122
The impulsive force that vibration produces, can improve the damping effect of the first beam 221 further.In the present embodiment, projection 244 and recessed
Fall into 245 equal being radially arranged along circular gasket 242.
By being arranged on what the pad 242 at the first beam 221 two ends was formed, it is used for embedded in sound box 120 to vacancy 243
Support chip 123.
Now, securing member 230 is used for through the first installing hole 241 and pilot hole 212, and securing member 230 and pilot hole 212
Cooperation, the first beam 221 is fixing.
As shown in figure 5, in the another embodiment of the present embodiment, dampening assembly 220 is except including the first beam
Outside 221, also include the second beam 222 and the 3rd beam 223.First beam 221 is arranged on the second beam 222 He
Between 3rd beam 223, the 3rd beam 223 is arranged at the top of support member 210.The lateral wall of the cavity of audio amplifier 120
It is provided with support chip 123, this support chip 123 is nested in the outside of the first beam 221, for connecting audio amplifier 120 and damping dress
Put 130.Preferably, support chip 123 is integrally formed with audio amplifier 120 cavity.
Now, the second beam 222, as the ground floor of dampening assembly 220, is arranged on dampening assembly in the present embodiment
220 top, as shown in Figure 5.Referring to Fig. 6, in the present embodiment, the second beam 222 is rounded, and its thickness is 2-10mm's
In the range of.According to a preferred embodiment, the second beam 222 can also be square or oval.Second beam 222
It is made up of elastomer, it can adopt and the first beam 221 identical highly elastic material.Second beam 222
Including the second installing hole 251 and multiple be arranged concentrically first annular raised 252.
Second installing hole 251 is corresponding with the first installing hole 241, passes through for securing member 230, by the second beam
222 is fixing.Second installing hole 251 is arranged on the center of the second beam 222.According to a preferred embodiment, second
Installing hole 251 and the first installing hole 241 keep identical shape.Therefore, in the present embodiment, the second installing hole 251 is circle
Hole.
First annular raised 252 end faces being arranged on the second beam 222, and arrange around the second installing hole 251, its
Effect lies also in the damping effect improving the first beam 221 further.In prior art, its surface of general beam is put down
Whole, when audio amplifier 120 vibrates along the vertical direction, beam can play certain buffering, cushioning effect in above-below direction, but
When audio amplifier 120 vibrates in the horizontal direction, because the contact with the connector connecting audio amplifier 120 for the beam is plane, in level
Cushioning effect can not be played, thus leading to damping effect not good on direction.
In the present embodiment, damping device 130 arranges first annular raised 252 on the end face of the second beam 222, can
Effectively solving audio amplifier 120 vibration problem in the horizontal direction.When audio amplifier 120 vibrates in the horizontal direction, first annular projection
252 can be with the left and right of audio amplifier 120 or movable left and right together or movable, thus will be because of loudspeaker 121 vibrating diaphragm and low
The impulsive force that the vibration of sound vibrating diaphragm 122 produces fully discharges, and further functions as cushioning effect, reduces and vibrate to throwing because of audio amplifier 120
Other devices within shadow instrument 100 produce impact.Additionally, by first annular raised 252 make the second beam 222 respectively with
There is gap in the contact surface between the first beam 221 and securing member 230, be conducive to improving damping effect.Multiple first rings
Shape projection 252 is arranged concentrically, i.e. multiple first annular raised 252 have identical center, and this center is also the second installing hole
251 center.
In the present embodiment, as shown in fig. 6, first annular raised 252 is by opening on the end face of the second beam 222
If multiple first annular grooves 253 are formed.Multiple first annular grooves 253 and multiple first annular raised 252 are arranged alternately.At this
In embodiment, first annular raised 252 are arranged on two end faces of the second beam 222, as shown in Figure 5.Need explanation
Be, the end face of the second beam 222 refer to the surface contacting with the first beam 221 and corresponding away from the first beam 221
Surface.In the present embodiment in a preferred embodiment, multiple first annular raised 252 is to be arranged equally spaced at second
On the end face of beam 222.
As shown in figure 5, the 3rd beam 223 is the third layer of dampening assembly 220, it is arranged on the bottom of dampening assembly 220,
As shown in Figure 5.3rd beam 223 is also to be made up of highly elastic material, and it can adopt and the first beam 221 and second
Beam 222 identical highly elastic material.Referring to Fig. 7, the 3rd beam 223 is roughly the same with the structure of the second beam 222,
It includes the 3rd installing hole 261 and multiple the second annular protrusion 262 being arranged concentrically, and multiple second annular protrusions 262 are
Arrange around the 3rd installing hole 261 on the end face of three beams 223.And multiple second annular protrusions 262 are equally spacedly to set
Put on the end face of the 3rd beam 223.
Wherein, the 3rd installing hole 261 and the first installing hole 241 and the second installing hole 251 all correspond to each other, for securing member
230 pass through, and the 3rd beam 223 is fixing.3rd installing hole 261 has and the first installing hole 241 and the second installing hole 251
Identical shape.In the present embodiment, the 3rd installing hole 261 is circular port.Wherein, the second annular protrusion 262 is also used for improving
The damping effect of the 3rd beam 223, its shock absorption principle is also consistent with first annular raised 252, will not be described here.And,
The set-up mode of the second annular protrusion 262 is also identical with first annular raised 252 setting.That is, by the 3rd beam 223
End face on open up what multiple second cannelures 263 were formed, and multiple second cannelure 263 and multiple second annular protrusion
262 are arranged alternately.
It is with the difference of the second beam 222, the second annular protrusion 262 of the 3rd beam 223 is positioned only at
On one end face, and the 3rd beam 223 also includes the sleeve 264 that is arranged on the other end.Sleeve 264 and the 3rd installing hole
261 connections, for the 3rd beam 223 is set in the outside of support member 210, by the 3rd beam 223 and supporting part
Part 210 connects, thus whole dampening assembly 220 is connected with support member 210, as shown in Figure 5.
Now, securing member 230 be used for sequentially passing through the second installing hole 251, the first installing hole 241, the 3rd installing hole 261 with
And pilot hole 212, and securing member 230 coordinated with pilot hole 212, by the first beam 221, the second beam 222 and the 3rd
Beam 223 is fixing.In a kind of preferred embodiment of the present utility model, can lead between securing member 230 and pilot hole 212
Cross threaded.
It should be noted that in the present embodiment, dampening assembly 220 at least includes the first beam 221, according to the need of user
One of the second beam 222 and the 3rd beam 223 or two kinds can also be set up.
In the present embodiment, securing member 230 can preferably employ screw or bolt.As shown in figure 5, when securing member 230 is spiral shell
During nail, screw includes screw cap 231 and screw rod.Screw rod includes non-threaded bar 233 and has threaded rod 232.In the mounted state, spiral shell
The screw rod of nail sequentially passes through the second installing hole 251, the first installing hole 241, the 3rd installing hole 261 and pilot hole 212, wherein has
Threaded rod 232 is threaded connection with pilot hole 212, non-threaded bar 233 run through the second installing hole 251, the first installing hole 241 and
3rd installing hole 261.When the audio amplifier 120 of projecting apparatus 100 does not work, when that is, there is not vibration in audio amplifier 120, screw cap 231
It is reserved with the non-threaded bar 233 of preset length and the second beam 222 between.In a kind of embodiment of the present utility model, should
Preset length can be more than 10 millimeters.The purpose of so design is, by being designed securing member 230 so that screw exists
Under tightening state, still suffer from the non-threaded bar 233 of preset length between the second beam 222 and screw cap 231, to audio amplifier 120
Reserve certain activity space so that audio amplifier 120 vibrates in this activity space, by the first beam 221, the second damping
On the basis of pad 222 and the 3rd beam 223 are alleviated and hung the vibration of audio amplifier 120 being arranged in housing 110, avoid further
Other structures in the vibration effect projecting apparatus 100 of audio amplifier 120.
It should be noted that in the projecting apparatus 100 of the present embodiment offer, above-mentioned damping device 130 can have multiple, audio amplifier
120 are connected with housing 110 by multiple damping devices 130 so that audio amplifier 120 hangs the housing 110 being arranged on projecting apparatus 100
Interior.When audio amplifier 120 vibrates because of sounding, due to being to hang setting, audio amplifier 120 is not directly contacted with housing 110, is had by three layers
There is the beam of buffering and shock-absorbing function, the impulsive force that audio amplifier 120 can be vibrated generation discharges completely, decreases to projecting apparatus
The impact of other structures in 100.
In sum, the projecting apparatus 100 that the utility model embodiment provides, is additionally arranged bass vibrating diaphragm in audio amplifier 120
122, it is effectively improved the bass effect of projecting apparatus 100.Further, by damping device 130 by the audio amplifier in projecting apparatus 100
120 hang and are arranged in the housing 110 of projecting apparatus 100, using the first beam 221, or using the first beam 221, the
Two beams 222 and the 3rd beam 223 reduce bass vibrating diaphragm 122 and introduce the aggravation of led to audio amplifier 120 vibration to throwing
The impact of other structures in shadow instrument 100, the especially impact to camera lens, keep away while improving projecting apparatus 100 bass effect
Exempt from audio amplifier 120 vibration and lead to the unstable problem of projector lens shake, projected picture.Additionally, working as using screw as tight
During firmware 230, by the non-threaded bar 233 of preset length reserved between the second beam 222 and screw cap 231, to audio amplifier
120 reserve certain activity space so that audio amplifier 120 vibrates in this activity space, further avoid shaking of audio amplifier 120
Other structures in dynamic impact projecting apparatus 100.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1., it is characterised in that including housing, audio amplifier and damping device, described audio amplifier and described damping device are equal for a kind of projecting apparatus
Be arranged in described housing, described audio amplifier includes the cavity being provided with loudspeaker, the vibrating diaphragm of described loudspeaker towards the outside of described cavity,
The outer wall of described cavity is provided with bass vibrating diaphragm, and described audio amplifier is connected with described housing by described damping device, described housing
On be provided with opening, described bass vibrating diaphragm be located at described opening in.
2. projecting apparatus according to claim 1 is it is characterised in that the direction of vibration of described bass vibrating diaphragm and described loudspeaker
The direction of vibration of vibrating diaphragm is vertical.
3. projecting apparatus according to claim 2 is it is characterised in that described bass vibrating diaphragm is arranged on the bottom of described cavity,
The corresponding bottom being arranged on described housing of described opening.
4. the projecting apparatus according to any one of claim 1-3 it is characterised in that the quantity of described bass vibrating diaphragm with described
The quantity of loudspeaker is consistent, and on described housing, the open amount of setting is consistent with the quantity of described bass vibrating diaphragm.
5. projecting apparatus according to claim 4 is it is characterised in that the quantity of described bass vibrating diaphragm is two, including first
Bass vibrating diaphragm and the second bass vibrating diaphragm, described first bass vibrating diaphragm is identical with the direction of vibration of described second bass vibrating diaphragm.
6. projecting apparatus according to claim 1 it is characterised in that described damping device include support member and with described
The dampening assembly that support member connects, described dampening assembly includes the first beam, one end of described support member and described shell
Body madial wall connects, and the other end of described support member is connected with described first beam, and the cavity lateral wall of described audio amplifier sets
It is equipped with support chip, described support chip is nested in the outside of described first beam.
7. projecting apparatus according to claim 6 is it is characterised in that described first beam includes the first installing hole and pad
Piece, described pad includes projection and the depression being molded over the end face of described pad respectively, multiple described projections and multiple described recessed
Fall into and be arranged alternately, two described pads are separately positioned on the two ends of described first beam, formed between two described pads and use
In the vacancy embedding described support chip, described two described pads of first installing hole insertion.
8. projecting apparatus according to claim 7 is it is characterised in that described dampening assembly also includes the second beam and the 3rd
Beam, described first beam is arranged between described second beam and described 3rd beam, described support member
The other end is connected with described 3rd beam, and described support member includes cavity and pilot hole, and described second beam includes
Two installing holes, described 3rd beam includes the 3rd installing hole, described pilot hole and described first installing hole, described second installation
Hole, described 3rd installing hole are all arranged concentrically, and described pilot hole is connected with described cavity.
9. projecting apparatus according to claim 8 is it is characterised in that described damping device also includes securing member, described fastening
Part is coordinated with described first installing hole, described second installing hole, described 3rd installing hole and described pilot hole respectively.
10. it is characterised in that described securing member is screw, described screw includes screw to projecting apparatus according to claim 9
Cap, non-threaded bar and have threaded rod, when described screw is in tightening state, described have threaded rod and described pilot hole cooperation,
Described non-threaded bar runs through described first installing hole, described second installing hole and described 3rd installing hole, and described second damping
There is between pad and described screw cap the non-threaded bar of preset length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959226.9U CN205958911U (en) | 2016-08-29 | 2016-08-29 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959226.9U CN205958911U (en) | 2016-08-29 | 2016-08-29 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958911U true CN205958911U (en) | 2017-02-15 |
Family
ID=57980937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620959226.9U Active CN205958911U (en) | 2016-08-29 | 2016-08-29 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058482A (en) * | 2019-05-21 | 2019-07-26 | 成都极米科技股份有限公司 | Exhibition system and exhibiting method |
| CN112135112A (en) * | 2020-09-25 | 2020-12-25 | 成都极米科技股份有限公司 | Loudspeaker shock-absorbing structure of projector |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058482A (en) * | 2019-05-21 | 2019-07-26 | 成都极米科技股份有限公司 | Exhibition system and exhibiting method |
| CN110058482B (en) * | 2019-05-21 | 2024-03-08 | 成都极米科技股份有限公司 | Exhibition system and exhibition method |
| CN112135112A (en) * | 2020-09-25 | 2020-12-25 | 成都极米科技股份有限公司 | Loudspeaker shock-absorbing structure of projector |
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