CN207148506U - Buffer structure and projecting apparatus - Google Patents
Buffer structure and projecting apparatus Download PDFInfo
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- CN207148506U CN207148506U CN201720961703.XU CN201720961703U CN207148506U CN 207148506 U CN207148506 U CN 207148506U CN 201720961703 U CN201720961703 U CN 201720961703U CN 207148506 U CN207148506 U CN 207148506U
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- damping
- hole
- shock absorber
- absorber part
- buffer structure
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Abstract
The utility model provides a kind of buffer structure and projecting apparatus, belong to field of display devices, shock absorber part, shock absorber part is provided with grafting through hole, surround and be provided with that at least one damping is raised on the inwall of the shock absorber part of grafting through hole, the raised protrusion direction of damping along grafting through hole radially-inwardly.The buffer structure in use, traditional circumferential contact mode is changed into the way of contact for being decomposed into a plurality of line, multiple faces or multiple points in the circumferential, reduces the contact area with vibration source, can weaken resonance of the loudspeaker to equipment.
Description
Technical field
Field of display devices is the utility model is related to, in particular to a kind of buffer structure and projecting apparatus.
Background technology
Projecting apparatus, also known as projector, be it is a kind of can be by the equipment on image or VIDEO PROJECTION to curtain, can be by not
The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding vision signal.Projecting apparatus is wide at present
It is general to be applied to family, office, school and public place of entertainment, it is different according to working method, there are the different types such as CRT, LCD, DLP.
Laser television in the market does not have built-in 80W high power loudspeaker substantially, general built-in below 60W loudspeaker
.General loudspeaker are fixed on plastic parts, or as voice unit (VU), product lack competitiveness using loudspeaker are external.
Inventor has found that traditional projecting apparatus at least has the disadvantage that in use under study for action：
In the projecting apparatus course of work, loudspeaker rely on vibration sounding, and vibration is passed into housing, band during horn vibration
Dynamic whole equipment vibration, influence the normal work of equipment.Therefore, many producers are bonded damping foam to slow down loudspeaker outside loudspeaker
Vibration, this measure, add cost, add labour, and easily influence the radiating of loudspeaker.
Utility model content
The purpose of this utility model is to provide a kind of buffer structure, is slowing down loudspeaker resonance to improve traditional projecting apparatus
When damping foam the problem of adding manufacturing cost is bonded outside loudspeaker.
The purpose of this utility model is to provide a kind of projecting apparatus, to improve traditional projecting apparatus when slowing down loudspeaker resonance
The problem of damping foam adds manufacturing cost is bonded outside loudspeaker.
What embodiment of the present utility model was realized in：
Based on above-mentioned first purpose, the utility model provides a kind of buffer structure, including：
Shock absorber part, the shock absorber part are provided with grafting through hole, on the inwall for the shock absorber part for surrounding the grafting through hole
Be provided with that at least one damping is raised, the raised protrusion direction of the damping along the grafting through hole radially-inwardly.
In the utility model preferred embodiment, the damping projection is strip, the raised length side of the damping
Extend to along the axis direction parallel to the grafting through hole.
In the utility model preferred embodiment, the raised both ends along its length of the damping extend respectively to
On two end faces of the axis direction along the grafting through hole of the shock absorber part.
In the utility model preferred embodiment, the damping projection is provided with multiple, and multiple damping projections are enclosed
Axis around the grafting through hole is intervally arranged.
In the utility model preferred embodiment, the cross sectional shape perpendicular to its length direction of the shock absorber part is plum
Flower-shape.
In the utility model preferred embodiment, the grafting through hole has the first hole section and the second hole section, described
The aperture of first hole section is more than the aperture of second hole section, and the damping is raised in second hole section.
In the utility model preferred embodiment, the damping projection is strip, the raised length side of the damping
To the axis direction parallel to second hole section, the raised length of the damping is identical with the length of second hole section.
In the utility model preferred embodiment, the shock absorber part is rubber parts.
In the utility model preferred embodiment, the outer peripheral face of the shock absorber part is provided with annular and pushes against projection, described
Annular pushes against raised protrusion direction along the grafting through hole radially outward.
Based on above-mentioned second purpose, the utility model provide a kind of projecting apparatus, including horn assembly, projecting apparatus housing with
And described buffer structure, boss posts are provided with the projecting apparatus housing, and the shock absorber part is set in outside the boss posts, institute
Horn assembly is stated to be installed in the projecting apparatus housing and spacing by the boss posts.
The beneficial effect of the utility model embodiment is：
In summary, the utility model embodiment provides a kind of buffer structure, and its is simple and reasonable, is easy to manufacture to add
Work, install with easy to use, meanwhile, in use, traditional circumferential contact mode was changed into week for the buffer structure
The way of contact of a plurality of line, multiple faces or multiple points is decomposed into upwards, reduces the contact area with vibration source, can be weakened
Resonance of the loudspeaker to equipment.It is specific as follows：
The buffer structure that the present embodiment provides, includes shock absorber part, shock absorber part is provided with grafting through hole, leads to surrounding grafting
Damping projection is provided with the inwall of the shock absorber part in hole.Damping projection is radially inwardly projecting along grafting through hole, and damping projection accounts for
With certain space of grafting through hole.When installing shock absorber part, shock absorber part is set in outside boss posts using grafting through hole, by
In being provided with the raised structure of damping, boss posts and damping projection contacts, the outer peripheral faces of boss posts not completely with shock absorber part
Inwall contacts, that is, the contact area of shock absorber part and boss posts is reduced, when vibration is passed to boss by vibration source by shock absorber part
During post, it is capable of the transmission of damping vibration, reduces resonance of the vibration source to equipment.Damping is set to steep at vibration source compared to traditional
Cotton, reduces the cost of installation, and is not easy to influence the radiating of equipment in itself.
The projecting apparatus that the present embodiment provides includes above-mentioned buffer structure, has all advantages of above-mentioned buffer structure.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model 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 not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram of the projecting apparatus of the utility model embodiment；
Fig. 2 is the schematic diagram for taking upper shell apart of the projecting apparatus of the utility model embodiment；
Fig. 3 is the schematic diagram of the horn assembly of the utility model embodiment；
Fig. 4 is the decomposing schematic representation of the horn assembly of the utility model embodiment；
Fig. 5 is the boss posts of the utility model embodiment and the decomposing schematic representation of buffer structure；
Fig. 6 is the schematic diagram of the buffer structure of the utility model embodiment；
Fig. 7 is the schematic top plan view of the buffer structure of the utility model embodiment；
Fig. 8 is the schematic cross-sectional view of the buffer structure of the utility model embodiment.
Icon：10- projecting apparatus；100- projecting apparatus housings；110- upper shells；120- lower houses；The boss of 130- the first
Post；The boss posts of 140- the 2nd；200- horn assemblies；210- loudspeaker housings；220- horn main bodies；230- passively shakes film；
300- buffer structures；310- shock absorber parts；311- grafting through holes；The hole sections of 3111- first；The hole sections of 3112- second；312- subtracts
Shake is raised；313- annulars push against raised；314- bearing surfaces.
Embodiment
In the projecting apparatus course of work, loudspeaker rely on vibration sounding, and vibration is passed into housing, band during horn vibration
Dynamic whole equipment vibration, influence the normal work of equipment.Therefore, many producers are bonded damping foam to slow down loudspeaker outside loudspeaker
Vibration, this measure, add cost, add labour, and easily influence the radiating of loudspeaker.
In consideration of it, inventor devises a kind of buffer structure 300 and projecting apparatus 10, by being carried out to buffer structure 300
Improve, the face contact in traditional vibration transmittance process is changed to multiple face ways of contact, the multiple ways of contact or a plurality of
The way of contact of line, reduces contact area, reduces resonance of the vibration source to equipment.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the 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 creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is necessary to explanation, the orientation of instruction such as term " level ", " interior ", " outer " or
Position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when the side usually put
Position or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or the device for implying meaning
Or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to of the present utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " level " is not offered as requiring part abswolute level or pendency, but can be slightly tilted.
Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent that the structure must be fully horizontal,
But it can be slightly tilted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Embodiment
Fig. 1 and Fig. 2 are referred to, present embodiments provides a kind of projecting apparatus 10, includes projecting apparatus housing 100, loudspeaker group
Part 200 and buffer structure 300.
Fig. 1 and Fig. 2 are referred to, projecting apparatus housing 100 includes upper shell 110 and lower house 120, upper shell 110 and lower casing
Body 120 is fixed by boss posts.Optionally, multiple first boss posts 130 are provided with upper shell 110, in lower house
Multiple 2nd boss posts 140 are provided with 120, multiple first boss posts 130 and multiple 2nd boss posts 140 correspond clamping
Coordinate.Meanwhile the installation of the miscellaneous part for the ease of projecting apparatus 10, it is respectively arranged with upper shell 110 and lower house 120
Mounting groove and installing port, herein without describing one by one.For example, after upper shell 110 and lower house 120 fasten, formed for putting
The region of horn assembly 200 is put, horn assembly 200 is located in projecting apparatus housing 100, enters by corresponding multigroup boss rod structures
Row is spacing.
Fig. 1-Fig. 3 is referred to, horn assembly 200 includes horn main body 220 and vibration housing, and horn main body 220 is installed
On vibration housing, optionally, vibration housing is cuboid, and vibration housing is provided with vibration cavity and is connected with the vibration cavity
Logical circular port.Explanation is needed further exist for, circular port is provided with four, and the both ends for vibrating the length direction of housing have two
Individual circular port, vibrate setting in be oppositely arranged two side walls of housing and be respectively arranged with a circular port, in vibration housing
Horn main body 220 is installed at one circular port of length direction, three passive shake films are installed at its excess-three circular port
230, greatly improve the quality of supper bass.Meanwhile projection will be exposed at positioned at a passive vibrating diaphragm of the length direction of vibration housing
Outside instrument housing 100, as the outward appearance of projecting apparatus housing 100, for can preferably experience bass effect.
At work, the sound sent at horn main body 220 passes to three passively to horn assembly 200 by vibrating cavity
Film 230 is shaken, using asymmetric design, i.e., the length direction of vibration housing is provided with a quilt relative with horn main body 220
Dynamic shake film 230, this passively shakes another passive shake film 230 that film 230 does not match with it, after adding the passive shake film 230
Enhance bass effect.
Fig. 2, Fig. 4-Fig. 8 are referred to, buffer structure 300 includes shock absorber part 310.Optionally, shock absorber part 310 is rubber
Part, further, shock absorber part 310 are cylindrical rubber part.
Shock absorber part 310 is provided with grafting through hole 311, and the axis direction of the axis of grafting through hole 311 along shock absorber part 310 prolongs
To stretch, the both ends of grafting through hole 311 are located on two end faces of axis direction of shock absorber part 310 respectively, optionally, grafting through hole
311 axis and the axis collinear of shock absorber part 310.Need further exist for explanation, grafting through hole 311 perpendicular to its axis side
To cross sectional shape everywhere for circle.
Grafting through hole 311 has the first hole section 3111 and the second hole section 3112 that are connected along its axis direction, and first
The aperture of hole section 3111 is more than the aperture of the second hole section 3112, the i.e. link position in the first hole section 3111 and the second hole section 3112
Place forms the bearing surface 314 of ring-type, can be pushed against on bearing surface 314, rely on from the boss posts of the first hole section 3111 insertion
The progress of abutting face is spacing, while the position for the shock absorber part 310 being set in outside boss posts is fixed, and is not easy to slide in use.
I.e. in actual use, projecting apparatus 10 is placed on operating platform, projecting apparatus 10 is horizontal positioned, and the on lower house 120
Two boss posts 140 are inserted into the first hole section 3111, and shock absorber part 310 is connected to the 2nd boss posts by bearing surface 314 thereon
On 140, shock absorber part 310 will not move downward along the axis of the 2nd boss posts 140, meanwhile, in the running of horn main body 220
In, shock absorber part 310 will not also move downward under gravity after vibration is passed into shock absorber part 310, the position of shock absorber part 310
It is reliable and stable.
Have foregoing description understand, the grafting through hole 311 of shock absorber part 310 be cylindrical hole, is easy to process and manufactures, be easy to and
Boss posts coordinate installation.Optionally, shock absorber part 310 is cylinder.
The inwall for surrounding grafting through hole 311 of shock absorber part 310 is the face of cylinder, and it is convex to be provided with least one damping on the inwall
Play 312.Optionally, damping projection 312 is hemispherical that damping projection 312 is provided with multiple, the raised 312 uniform cloth of multiple dampings
Put on the inwall of shock absorber part 310, meanwhile, multiple damping projections 312 are in the second hole section 3112.By the first boss posts
After 130 are inserted into the second hole section 3112, the outer peripheral face of the first boss posts 130 contacts with multiple dampings projection 312 for point, reduces
Contact area, the vibration of horn main body 220 pass to boss posts by shock absorber part 310, are passing to the mistake of projecting apparatus housing 100
Cheng Zhong, reduce resonance.
Optionally, damping projection 312 is strip, the axis of the length direction of damping projection 312 parallel to grafting through hole 311
Direction, the cross sectional shape along its vertical length direction of damping projection 312 is semicircle, the side along its length of damping projection 312
To both ends extend respectively to the both ends of the second hole section 3112.The design of such a damping projection 312, inserted in the first boss posts 130
Enter to after the second hole section 3112, by increasing capacitance it is possible to increase the stability of the first boss posts 130 and shock absorber part 310, and then damping vibration.
Optionally, damping projection 312 is provided with a plurality of, and a plurality of damping projection 312 is between the axis of the second hole section 3112
Every in arrangement, the present embodiment, damping projection 312 is provided with six, i.e., the edge for the structure that six dampings projections 312 are formed perpendicular to
The cross sectional shape of its length direction is in plum blossom-shaped.
The outer peripheral face of shock absorber part 310 is provided with annular and pushes against projection 313, and it is annular that annular, which pushes against projection 313, and annular is supported
The axis collinear of the axis and shock absorber part 310 of tight projection 313.Annular push against projection 313 be provided with it is multiple, it is multiple annular push against it is convex
313 are played to be intervally arranged along the axis direction of shock absorber part 310.In the present embodiment, the quantity that annular pushes against projection 313 is provided with three
It is individual.The raised quantity of annular abutment is set on demand, the stress balance of guarantee horn main body 220, and horn main body 220 is worked
Cheng Zhong, whole equipment it is with small vibration.
In the present embodiment, shock absorber part 310 is formed in one structure.
The projecting apparatus 10 that the present embodiment provides, horn main body 220 is arranged in projecting apparatus housing 100, by four groups
Boss rod structures are spacing, and two groups of boss posts are located at the side of horn main body 220, and two groups of boss posts are located at horn main body 220 in addition
The opposite side being oppositely arranged, a buffer structure 300 is separately installed with four groups of boss posts.During actual installation, by damping
Second hole section 3112 of part 310 is inserted on the 2nd boss posts 140 of lower house 120, by the first hole section 3111 and
Bearing surface 314 between two hole sections 3112 realizes spacing abutting, and after having inserted shock absorber part 310, the lid of upper shell 110 is located at into lower casing
On body 120, corresponding first boss posts 130 are inserted in the first hole section 3111 of shock absorber part 310, meanwhile, the first boss posts 130
It extend into the 2nd boss posts 140, the fastening of the first boss posts 130 and the 2nd boss posts 140 is realized by screw, completes upper casing
The installation of body 110 and lower house 120, complete the installation of projecting apparatus housing 100.After installation, the periphery of the first boss posts 130
Face contacts with the damping projection 312 in the second hole section 3112, reduces the contact area of the first boss posts 130 and shock absorber part 310.
When horn main body 220 works, vibration is passed to shock absorber part 310 by horn main body 220, and shock absorber part 310 passes to vibration
Boss rod structures, boss rod structures are structure as a whole with whole projecting apparatus housing 100, the contact surface of shock absorber part 310 and boss posts
Product is small, can reduce resonance of the horn main body 220 to projecting apparatus 10.
In other embodiments, damping projection 312, the edge of damping projection 312 can also be set in the first hole section 3111
The projection of the axis direction of first hole section 3111 is dropped into bearing surface 314, i.e., the 2nd boss posts 140 are inserted into the first hole section
After 3111, the 2nd boss posts 140 are spacing by bearing surface 314.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. buffer structure, it is characterised in that including：Shock absorber part, the shock absorber part are provided with grafting through hole, are set on the inwall for the shock absorber part for surrounding the grafting through hole Have that at least one damping is raised, the raised protrusion direction of the damping along the grafting through hole radially-inwardly.
- 2. buffer structure according to claim 1, it is characterised in that the damping projection is strip, and the damping is convex The length direction risen extends along the axis direction parallel to the grafting through hole.
- 3. buffer structure according to claim 2, it is characterised in that the raised both ends along its length of the damping On two end faces for extending respectively to the axis direction along the grafting through hole of the shock absorber part.
- 4. according to the buffer structure described in claim any one of 1-3, it is characterised in that the damping projection be provided with it is multiple, Multiple raised axis around the grafting through hole of the damping are intervally arranged.
- 5. buffer structure according to claim 4, it is characterised in that the cutting perpendicular to its length direction of the shock absorber part Face is shaped as quincunx.
- 6. buffer structure according to claim 1, it is characterised in that the grafting through hole has the first hole section and second Hole section, the aperture of first hole section are more than the aperture of second hole section, and the damping is raised in second hole section.
- 7. buffer structure according to claim 6, it is characterised in that the damping projection is strip, and the damping is convex The length direction risen is parallel to the axis direction of second hole section, the length of the raised length of the damping and second hole section Spend identical.
- 8. buffer structure according to claim 1, it is characterised in that the shock absorber part is rubber parts.
- 9. buffer structure according to claim 8, it is characterised in that the outer peripheral face of the shock absorber part is provided with annular abutting Projection, the annular push against raised protrusion direction along the grafting through hole radially outward.
- 10. a kind of projecting apparatus, it is characterised in that including horn assembly, projecting apparatus housing and any according to claim 1-9 Buffer structure described in, boss posts is provided with the projecting apparatus housing, the shock absorber part is set in outside the boss posts, institute Horn assembly is stated to be installed in the projecting apparatus housing and spacing by the boss posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961703.XU CN207148506U (en) | 2017-08-03 | 2017-08-03 | Buffer structure and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961703.XU CN207148506U (en) | 2017-08-03 | 2017-08-03 | Buffer structure and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148506U true CN207148506U (en) | 2018-03-27 |
Family
ID=61673874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961703.XU Active CN207148506U (en) | 2017-08-03 | 2017-08-03 | Buffer structure and projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207148506U (en) |
-
2017
- 2017-08-03 CN CN201720961703.XU patent/CN207148506U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Buffer structure and projecting apparatus Effective date of registration: 20181109 Granted publication date: 20180327 Pledgee: Pudong Development Silicon Valley Bank Co., Ltd. Beijing branch Pledgor: CHENGDU XGIMI TECHNOLOGY CO., LTD. Registration number: 2018990001052 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610094 Tianfu Software Park Area A, 1129 Century City Road, Chengdu High-tech Zone, Sichuan Province Patentee after: Chengdu Jimi Technology Co., Ltd. Address before: No. 1129 Tianfu Software Park A District Century City high tech Zone of Chengdu City, Sichuan Province Road 610000 7 5 storey building No. 501 Patentee before: CHENGDU XGIMI TECHNOLOGY CO., LTD. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200616 Granted publication date: 20180327 Pledgee: Pudong Development Silicon Valley Bank Co.,Ltd. Beijing branch Pledgor: CHENGDU XGIMI TECHNOLOGY Co.,Ltd. Registration number: 2018990001052 |