CN107846644A - A kind of guard fastening structure and its closed no resonance sound box - Google Patents
A kind of guard fastening structure and its closed no resonance sound box Download PDFInfo
- Publication number
- CN107846644A CN107846644A CN201711060165.8A CN201711060165A CN107846644A CN 107846644 A CN107846644 A CN 107846644A CN 201711060165 A CN201711060165 A CN 201711060165A CN 107846644 A CN107846644 A CN 107846644A
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- Prior art keywords
- press strip
- guard
- box casing
- voice box
- hole
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- 239000000463 material Substances 0.000 claims abstract description 20
- 239000013536 elastomeric material Substances 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 239000000725 suspension Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 239000011257 shell material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000009411 base construction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention provides a kind of guard fastening structure and its closed no resonance sound box, sound box mesh cover is fastened on voice box casing along its length, it is characterized in that, the voice box casing is symmetrically formed the combination slot of length direction with guard joint face upper and lower side, the guard lower edges symmetrically extend inwardly to form connection flanging, and the connection flanging bends inwards, inserts combination slot；The combination slot is also combined with combination press strip, the combination press strip is combined and formed by hard material press strip and elastomeric material press strip, and press strip is combined to be interference fitted in combination slot, and by elastomeric material press strip top pressure guard connection flanging, connection flanging is pressed in combination slot.The present invention can both ensure guard and voice box casing strong bonded, without friction, can conveniently realize the dismounting between guard and voice box casing again.
Description
Technical field
The present invention relates to a kind of audio amplifier field, fastening structure more particularly, to sound box mesh cover and voice box casing and its adopt
With the fastening structure it is closed without resonance TV loudspeaker box.
Background technology
With a large amount of popularizations of LED flat plate television set, television set more and more thinner, people's high definition is brought and ultra-thin has regarded
Feel and enjoy, but because the compression of speaker mounting space volume is limited, LED loudspeaker thin type, narrow shape, cause tonequality
Performance far can not meet public demand, and therefore, the external voice box that some supporting television sets use arises at the historic moment.Such as in electricity
Both sides mounting or placement audio amplifier depending on machine, tonequality of televising is improved by the way of this externally-hung loundspeaker.
Existing television acoustics, the lateral symmetry arrangement of loudspeaker left and right acoustic channels, shell material is thin, and die cavity is long, flat and narrow.This
Kind television acoustics good appearance, installation occupy little space, and power of loudspeaker is larger, and carrying loudspeaker tonequality than television set has very
It is big to improve.The external voice box of these existing television sets be generally all using moulding aluminium section bar or wooden structures come
Audio amplifier voice box casing is made, is fitted together using several, for example compared with common practice is that audio amplifier is formed using fore shell, rear shell
Voice box casing, the sealing of this voice box casing is poor, and the special shape of audio amplifier, and system resonance phenomenon can not be solved
Certainly, the defects of noise and distorsion be present.
A kind of published Chinese invention patent of the external voice box of television set, its Authorization Notice No. are CN1988730B,
Its improved procedure is that the voice box casing being made in a manner of extrusion moulding is agent structure, this structure type with it is original
The speaker casing structure form of forward and backward shell is compared, be first it is structure-integrated can reduce die cost and assembly costs, its
It is secondary, sealed by loading onto closure in the upper and lower opening of voice box casing and having in corresponding connection at the mounting hole of part
Processing, it is possible to achieve hermetically sealed in voice box casing.
But cover in the anterior sound box mesh cover of voice box casing, it is connected between voice box casing using double buckle mode
Connect；The guard of strip is fixed on voice box casing by four point type double buckles, for audio amplifier it is this play sound, vibration compared with
Railway Project be present in big device, such a connected mode,
1st, point connecting structure, intensity is relatively low, for strip voice box casing, easily between guard and voice box casing
Gap be present, and gap may result in vibratory murmur.
2nd, double buckle required precision is high, and guard connection is insecure, and sound shakes in the presence of may result in compared with high tolerance for both sizes
It is dynamic to can bring about guard vibration, noise is produced, influences to use.
3rd, maintenance dismounting inconvenience, in order to ensure that the usual clamping of firm double buckle is tight slightly, dismounting may result in double buckle several times
Deformation.
The content of the invention
It is an object of the invention to overcome the deficiency of prior art, there is provided a kind of television set it is closed without resonate it is external
Audio amplifier, it can both ensure guard and voice box casing strong bonded, without friction, guard and voice box casing can be conveniently realized again
Between dismounting.
The first technical scheme provided by the invention is：A kind of guard fastening structure, sound box mesh cover fasten along its length
It is fixed on voice box casing, it is characterised in that the voice box casing is symmetrically formed length direction with guard joint face upper and lower side
Combination slot, the guard lower edges symmetrically extend inwardly to form connection flanging, and the connection flanging bends inwards, inserts combination
Groove；The combination slot is also combined with combination press strip, and the combination press strip combines structure by hard material press strip and elastomeric material press strip
Into, and combine press strip and be interference fitted in combination slot, and by elastomeric material press strip top pressure guard connection flanging, make connection
Flanging is pressed in combination slot.
Further, guard connection flanging with combine press strip contact surface formed a fixed groove, the fixed groove with
Combination press strip, which coordinates, makes guard connection flanging be connected in combination slot.
Further, combination slot includes first connecting portion and second connecting portion, and first connecting portion is to include combination slot side
Wall and the insert port for connecting side wall, the connection flanging are fixed in combination slot through insert port, close to side wall；Described second
Connecting portion is U-shaped shape, and U-shaped shape opening penetrates first connecting portion；Corresponding combination press strip is by the press strip of hard material first and bullet
Property material second press strip form, the first press strip section be it is circular it is corresponding is connected in second connecting portion, the second press strip section is length
It is square, it is correspondingly arranged at first connecting portion, in second connecting portion；First the second press strip of press strip top pressure makes it consolidate with connection flanging
It is fixed.
The present invention also provides another technical solution：It is closed without resonance TV loudspeaker box, including sound box mesh cover and audio amplifier shell
Body, sound box mesh cover are fastened on voice box casing along its length, it is characterised in that sound box mesh cover and voice box casing use
Guard fastening structure described above.
Further, baffle assembly is additionally provided with the voice box casing, the voice box casing inner chamber is symmetrically formed length side
To mounting groove, insertion cylindrical hole is formed in mounting groove；The baffle assembly forms consolidating for corresponding matching cylindrical hole with mounting groove
Fixed slider；The baffle assembly has two, and housing cavity is divided into left, right three enclosed regions of neutralization.
Further, baffle assembly includes dividing plate, damped rubber ring, and damped rubber ring is provided with fixed sliding block and fixation
The through hole coordinated with dividing plate is additionally provided with housing cavity, damped rubber ring, the dividing plate is arranged on damping rubber ring through hole
On；The domed arc surface of dividing plate plate face, middle part are provided with shield bore, and Wire sheath is socketed in shield bore.
The beneficial effects of the invention are as follows：
1st, the guard of audio amplifier and voice box casing use this guard fastening structure, its main body include combination slot, combination press strip,
Connection flanging, combination press strip is combined and formed by hard material press strip and elastomeric material press strip, and is combined press strip and be interference fitted in
In combination slot, and by elastomeric material press strip top pressure guard connection flanging, make connection flanging be pressed on combination groove in.Merely
Elastomeric material be interference fitted in due to needing in groove, this just makes assembling not realize, but use hard material press strip and elasticity
The combination press strip of material press strip, space is big in combination slot, and elastomeric material press strip first can be located in combination slot, and second step is used
Hard material press strip is passed through in combination slot remaining space, is easily propagated through because hard material is smooth, is also reached interference in addition and match somebody with somebody
Close, connection flanging is suppressed using elastomeric material press strip.
This strip, the flexible mode being fixedly connected avoid buckle rigidity, point connecting structure in the prior art and lacked
Point, as buckle point connecting structure can form seam, gap between guard and voice box casing, integrated degree is low, and just
Property connection, it is difficult to avoid vibration, the generation of noise.
2nd, formed with fixed groove in connection flanging, the fixed groove plays hook effect, links up with guard connection flanging
On combination press strip, voice box casing, make guard connection more firm.
3rd, in addition, being also convenient for guard assembly or disassembly maintenance.
4th, realization principle of the present invention compared with prior art its beneficial have the technical effect that：Switch on power, loudspeaker produces
In, low, high audio, Hz-KHz is typically 20 between 22000HZ.When sound wave passes to inner walls, sound box system excited target
The intrinsic frequency of frequency and system when being close, there is system amplitude and significantly increase phenomenon resonating.When resonance wave starts
It is derivative, when propagating, suppressed immediately by the damped rubber ring in the second press strip damping rubber and baffle assembly, and rapidly decay and
Eliminate, whole process is held time≤0.02 second.The device technique positive effect：It is simple in construction, thickness ultrathin, clean-cut
While, sensitivity 90dB/Wm is realized, the comprehensive distortion factor≤1%, resonance is eliminated, distortion reduction, and Hz-KHz is widened, can
It is widely used in the external sound equipment of liquid crystal TV set.
Brief description of the drawings
Fig. 1 is main structure diagram of the present invention；
Fig. 2 is main view A-A cross-sectional views of the present invention；
Fig. 3 is (Fig. 2) B-B cross-sectional views of the invention；
Fig. 4 is inventive antenna base construction schematic diagram；
Fig. 5 is the present invention (Fig. 4) D to structural representation；
Fig. 6 is inventive shell positive structure schematic；
Fig. 7 is inventive shell structure schematic diagram；
Fig. 8 is the present invention (Fig. 7) E to structural representation；
Fig. 9 is clamp base assembly structure schematic diagram of the present invention；
Figure 10 is (Fig. 9) F-F cross-sectional views of the invention；
Figure 11 is damped rubber ring main structure diagram of the present invention；
Figure 12 is (Figure 11) H-H cross-sectional views of the invention；
Figure 13 is dividing plate main structure diagram of the present invention；
Figure 14 is (Figure 13) left view structural representation of the invention；
Figure 15 is Wire sheath main structure diagram of the present invention；
Figure 16 is (Figure 15) left view structural representation of the invention；
Figure 17 is end cap main structure diagram of the present invention；
Figure 18 is (Figure 17) L-L cross-sectional views of the invention；
Figure 19 is that damping seal of the present invention pads main structure diagram；
Figure 20 is (Figure 19) M-M cross-sectional views of the invention；
Figure 21 is control panel main structure diagram of the present invention；
Figure 22 is control panel structure schematic diagram of the present invention；
Figure 23 is button main structure diagram of the present invention；
Figure 24 is (Figure 23) N-N cross-sectional views of the invention；
Figure 25 is control board main structure diagram of the present invention；
Figure 26 is (Figure 25) side structure schematic view of the invention；
Figure 27 is outer cover main structure diagram of the present invention；
Figure 28 is the present invention (Fig. 2) G to structural representation；
Figure 29 is the schematic perspective view that sound box mesh cover is combined with voice box casing by combining press strip；
Figure 30 is the sectional schematic diagram of guard in Figure 29.
Fig. 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
25th, in 26,27,28,29,30：
01--- housings；02--- guards；03--- dividing plates；04--- damped rubber rings；05--- loudspeakers；
06--- end caps；07--- controlling switches；08--- antenna bases；09--- board base assemblies；
10--- mounting blocks；11--- suspension members；12--- fixing bolts；13--- outer covers；14--- control panels；
15--- buttons；16--- control boards；17--- sealing gaskets；18--- damping seal pads；
19--- consent pins；20--- rubber seal strips；21--- board subplates；22--- board mainboards；23--- antennas；
24--- bases；25--- Wire sheaths；26--- key panels；1.1--- combination slot；1.2--- mounting groove；
1.3--- sub-ellipticals combine with circular curve；1.4--- speaker hole；1.5--- board base apertures；
1.6--- antenna bases hole；2.1--- guard through holes；2.2--- connection flanging；2.3--- mesh；
2.4--- indicia grooves；3.1--- shield bore；3.2--- forward flange；3.3--- rear flange；
3.4--- arch arc surfaces；4.1--- stepped hole；4.2--- fabrication hole；4.3--- sealing lip；
6.1--- damping seal pad ranks；6.2--- damping seals pad positioning hole；6.3--- mounting hole；
8.1--- antenna huggings；8.2--- antenna installing hole；8.3--- pedestal flanges；11.1--- right suspension member；
11.2--- left open pore；11.3--- under shed hole；11.4--- left suspension member；13.1--- outer cover square hole；
14.1--- power switch holes；14.2--- control panel mounting hole；14.3--- control panel step；
14.4--- button positioning hole；14.5--- control panel positioning hole；15.1--- alignment pins；15.2--- key holes；
15.3--- resilient male-female groove；16.1--- power outlets；16.2--- data-signal socket；16.3--- metal domes；
18.1--- sealing gasket through hole；18.2--- sealing gasket alignment pin；24.1--- heat emission holes；
24.2--- board pedestal flanges；24.3--- preceding mounting post；24.4--- interface holes；24.5--- back mounting poles；
25.1--- thread semicircle orifice；25.2--- bottom sheet；25.3--- upper piece.
1.1.1--- first connecting portion；1.1.2--- second connecting portion；1.1.3--- holding tank
2.2.1--- fixed groove
Embodiment
Referring to Fig. 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,
24th, 25,26,27,28,29,30, closed without resonance TV loudspeaker box, it is by housing 1, guard 2, baffle assembly, damping rubber
Circle 4, loudspeaker 5, end cap 6, controlling switch 7, antenna base 8, board base assembly 9 are formed.The longitudinal profile of housing 1 is
Sub-elliptical combines 1.3 closure thin wall hollow pipe with circular curve, and upper and lower both sides thin-walled is provided with Symmetric Composite groove 1.1 and peace
Tankage 1.2, mounting groove 1.2 are located at housing cavity, and outer surface is provided with combination slot 1.1, antenna base hole 1.6, board base aperture
1.5th, speaker hole 1.4, mounting hole and suspension member 11.
The combination slot 1.1 includes first connecting portion 1.1.1 and second connecting portion 1.1.2, and first connecting portion 1.1.1 is
Insert port including the side wall of combination slot 1.1 1 and connection side wall, the connection flanging 2.2 are fixed through insert port, close to side wall
In combination slot 1.1；The second connecting portion 1.1.2 is U-shaped shape, and U-shaped shape opening penetrates first connecting portion；Corresponding combination
For press strip to be made up of the first press strip of hard material 19 and the second press strip of elastomeric material 20, the section of the first press strip 19 is circular plug
Hole pin 19, it corresponds to and is connected in second connecting portion 1.1.2, and the section of the second press strip 20 is rectangular rubber seal strip 20, and its is right
It should be arranged in first connecting portion 1.1.1, second connecting portion 1.1.2；The top pressure rubber seal strip 20 of consent pin 19 makes it with being connected folding
While fix.In addition, the connection flanging 2.2 of guard 1 forms a fixed groove 2.2.1 with combining the contact surface of press strip, this is fixed
Groove 2.2.1 makes guard connection flanging 2.2 be connected in combination slot 1.1 with combining press strip cooperation.The combination slot 1.1 first
Connecting portion 1.1.1 and the bottom land bottom of insert port face supply connection flanging formed with holding tank 1.1.3, holding tank 1.1.3
2.2 stretch into.
The surface of guard 2 is provided with equally distributed regular mesh 2.3, indicia grooves 2.4, and both sides are provided with connection and rolled over
Side 2.2, the middle part of connection flanging 2.2 are provided with guard through hole 2.1.
The voice box casing inner chamber is symmetrically formed the mounting groove 1.2 of length direction, and insertion cylinder is formed in mounting groove 1.2
Hole, the baffle assembly have two and are assemblied in housing cavity, and the inner chamber of housing 1 is divided into left, right three closed areas of neutralization
Domain, concrete structure upper spacer component include dividing plate 3 and damped rubber ring 4, and damped rubber ring 4 is provided with fixed sliding block, itself and peace
Tankage 1.2 is slidably matched, and ensures that baffle assembly is fixed on housing cavity, is additionally provided with damped rubber ring 4 and leads to what dividing plate coordinated
Hole, the dividing plate 3 are arranged on the through hole of damped rubber ring 4；The domed arc surface 3.4 of the plate face of dividing plate 3, middle part are provided with shield
Sets of holes 3.1, Wire sheath 25 are socketed in shield bore 3.1.
The dividing plate 3 is fixed on the inner side of housing 1 by mounting hole, forward flange 3.2, rear flange 3.3, by the medial type of housing 1
Chamber is divided into left, right three enclosed regions of neutralization.The domed arc surface 3.4 of the plate face of dividing plate 3, middle part is provided with shield bore
3.1, Wire sheath 25 is socketed in shield bore 3.1, the Wire sheath 25 be characterized in that by upper piece 25.3, bottom sheet 25.2
Form, middle part is provided with threading semicircle orifice 25.1, and the quantity of dividing plate 3 is two, and each quantity of dividing plate shield bore 3.1 is two.
The damped rubber ring 4 is arranged on dividing plate 3 and in the middle part of the junction of housing 1, the damped rubber ring 4 is characterized in that middle part is set
There is stepped hole 4.1, outside is provided with sealing lip 4.3, simultaneously provided with fabrication hole 4.2.The loudspeaker 5 is by middle pitch, bass, high pitch
Loudspeaker and echosonde are formed, and the loudspeaker 5 is fixed on the front of housing 1 by speaker hole 1.4, and it is in one to divide left and right acoustic channels
Font symmetric configuration.
Described one end of voice box casing 2 is provided with end cap 6, and damping seal is additionally provided between end cap 6 and housing 1 junction
Pad 18；The other end of voice box casing 2 is provided with outer cover 13, and sealing gasket 17, control circuit are fixed between the outer cover 13 and housing
Plate 16, the sealing gasket 17 are located among control board 16 and outer cover 13.
The damping seal pad 18 is planar profile and approximate with the planar profile of end cap 6, and middle part is provided with sealing gasket through hole
18.1, two sides is provided with sealing gasket alignment pin 18.2, the damping seal pad that the sealing gasket alignment pin is provided with the inner side of end cap 6
Positioning hole 6.2 coordinates, and realizes that end cap 6 is flexibly connected with housing 1, guard 2.Specifically, end cap 6 passes through mounting hole 6.3, installation
Block 10, damping seal pad 18 are fixed on the left end of housing 1, and the damping seal pad 18 is located at housing 1 and the junction of end cap 6
Centre, the damping seal pad 18 are planar profile and approximate with the planar profile of end cap 6, and middle part is provided with sealing gasket through hole 18.1,
Two sides is provided with sealing gasket alignment pin 18.2, and it is two that the damping seal, which pads 18 quantity, the planar profile of end cap 6 and housing 1
Section is approximate, and inner side is provided with damping seal pad positioning hole 6.2, damping seal pad rank 6.1 and mounting hole 6.3, and by wherein
One damping seal pads 18 sealing gasket alignment pins 18.2 and realizes that end cap 6 socket-connects with guard 2.
Controlling switch component 07 is additionally provided with the voice box casing 2, the controlling switch component 07 includes control board
16th, control panel 14, key panel 26, key panel 26 are provided with power switch, button 15, and the material of button 15 is rubber.
Specifically, the one side of control board 16 is provided with four metal domes 16.3, simultaneously provided with two power outlets
16.1 and a data-signal socket 16.2, the control board 16 is arranged on the inner side of outer cover 13, the sum of power outlet 16.1
It is socketed according to signal plug 16.2 in outer cover square hole 13.1, the sealing gasket 17 is located among control board 16 and outer cover 13,
The upper face of key panel 26 is provided with four key holes 15.2 and two alignment pins 15.1, and lower face is provided with and key hole
Four resilient male-female grooves 15.3 corresponding to 15.2, the material of button 15 are rubber, and the button 15 is socketed in by alignment pin 15.1
The inner side of control panel 14, described one end of key panel 26 are socketed on key hole 15.2, the profile of key panel 26 be it is "T"-shaped,
Quantity is four, and the outer cover 13 is fixed on the inner side of control panel 14, and the control panel 14 passes through control panel mounting hole 14.2, peace
Dress block 10, damping seal pad 18 are fixed on the right-hand member of housing 1, and the damping seal pad 18 is located at housing 1 and combined with control panel 14
Between；The planar profile of control panel 14 is approximate with housing section, and inner side is provided with power switch hole 14.1, control panel is installed
Hole 14.2, control panel step 14.3, button positioning hole 14.4 and control panel positioning hole 14.5, and it is close by one of damping
The sealing gasket alignment pin 18.2 of packing 18 realizes that control panel 14 socket-connects with guard 13, and the power switch is socketed in power switch
In hole 14.1, attaching plug is inserted in one of power outlet 16.1.
The antenna base 8 is fixed on the antenna base hole 1.6 of the overhead surface of housing 1, outside the antenna base 8
Provided with pedestal flange 8.3, outer middle side part is provided with antenna hugging 8.1, and the bottom of antenna hugging 8.1 is provided with antenna installing hole
8.2, the antenna is arranged in antenna installing hole 8.2.
The board base assembly 9 is made up of base 24, board mainboard 22 and board subplate 21, above the base 24
Plate is provided with mounting post 24.3, back mounting pole 24.5, interface holes 24.4, and backplate is provided with heat emission hole 24.1, and front is provided with board base
Seat flange 24.2, the lower part of board mainboard 22 are arranged on base 24 by preceding mounting post 24.3, and upper part passes through fixation
Bolt 12 is fixed on the front of housing 1 inner side, and the lower part of board subplate 21 is pacified by back mounting pole 24.5, interface holes 24.4
On base 24, the board base assembly 9 is arranged in housing board base aperture 1.5 by mounting hole.
The suspension member 11 is made up of left suspension member 11.4 and right suspension member 11.1, is all the character cut in bas-relief shape provided with open pore, and lead to
Cross mounting hole and be symmetrically mounted on the back side both sides of housing 1, the left panel of suspension member 11.4 is provided with a under shed hole down
11.3, side outline approximation Z-shaped, the right panel of suspension member 11.1 is provided with one towards left open pore 11.2, side outline
Approximate Z-shaped.
Other Engineering flexible plastic can also be used in the rubber seal strip 20, damped rubber ring 4, damping seal pad 18；The shell
Body 1, end cap 6, control panel 14, dividing plate 3 can use metal material, can also use engineering plastics, from unlike material not shadow
This patent is rung to implement.
To ensure that connection flanging and combination slot buckle are firm, specific technical measures have three：
1st, the bottom land bottom of the combination slot first connecting portion and insert port face supplies formed with holding tank, the holding tank
Connection flanging depth capacity to the greatest extent stretches into.
2nd, connection flanging and the contact surface of the second press strip form a fixed groove, the press strip of fixed groove clamping second.
Connection flanging does not have singly combination press strip elasticity extruding to be fixed in combination slot, and connection flanging is also pressed by fixed groove and second
Bar clamping, it is ensured that guard is fastenedly connected voice box casing.
3rd, first connecting portion is wedge shape, and the intilted groove can coordinates the connection flanging to bend inwards to press
In side wall.
4th, second connecting portion is circular hole, and the first press strip made of hard material is cylindrical bars, and the cylindrical bars are penetrated in circular hole
It is interior；Second press strip made of elastomeric material is rectangular strip, and the rectangular strip both ends extrude the first press strip and connection flanging respectively.This
The soft or hard combination of kind, is on the one hand more easily installed, is on the other hand extruded by elastomeric material, it is ensured that guard can be fastened on
On voice box casing.
In material selection, the hard material for forming the first press strip is one of glass fibre, metal, preferably glass fibre.Structure
Elastomeric material into the second press strip is rubber, elastic metallic, one of foamed plastics, preferred rubber.
This product assembly method is：
1st, sound box mesh cover and voice box casing mutually fasten, and connection flanging is inserted combination slot.
2nd, the second press strip is rectangular rubber strip of paper used for sealing through the hole between connection flanging and combination slot.
3rd, the first press strip is the circular hole that cylindrical metal consent pin runs through in combination slot.
4th, sound box mesh cover and voice box casing fasten fastening.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (14)
1. a kind of guard fastening structure, sound box mesh cover (1) is fastened on voice box casing (2) along its length, and its feature exists
In the voice box casing (2) is symmetrically formed the combination slot (1.1) of length direction, the guard with guard (1) joint face upper and lower side
(1) lower edges symmetrically extend inwardly to form connection flanging (2.2), and the connection flanging (2.2) bends inwards, inserts combination slot
(1.1)；The combination slot (1.1) is also combined with combination press strip, and the combination press strip is by hard material press strip and elastomeric material press strip
Combination is formed, and is combined press strip and be interference fitted in combination slot (1.1), and by elastomeric material press strip top pressure guard (1) even
Connect flanging (2.2), connection flanging (2.2) is pressed in combination slot (1.1).
2. guard fastening structure according to claim 1, it is characterised in that guard (1) connection flanging (2.2) is with combining pressure
The contact surface of bar forms a fixed groove (2.2.1), and the fixed groove (2.2.1) rolls over guard connection with combining press strip cooperation
Side (2.2) is connected in combination slot (1.1).
3. guard fastening structure according to claim 1 or 2, it is characterised in that the combination slot (1.1) includes first and connected
Socket part (1.1.1) and second connecting portion (1.1.2), first connecting portion (1.1.1) are to include the side wall of combination slot (1.1) one and connection
The insert port of side wall, the connection flanging (2.2) are fixed on through insert port, close to side wall in combination slot (1.1)；Described second
Connecting portion (1.1.2) is U-shaped shape, and U-shaped shape opening penetrates first connecting portion；Corresponding combination press strip is to be pressed by hard material first
Bar (19) and the press strip of elastomeric material second (20) are formed, and the first press strip (19) section is that circular correspond to is connected to second connecting portion
In (1.1.2), the second press strip (20) section is rectangle, is correspondingly arranged at first connecting portion (1.1.1), second connecting portion
In (1.1.2)；First press strip (19) the second press strip of top pressure (20) makes it be fixed with connection flanging.
4. guard fastening structure according to claim 3, it is characterised in that combination slot (1.1) first connecting portion
(1.1.1) and the bottom land bottom of insert port face supply connection flanging formed with holding tank (1.1.3), the holding tank (1.1.3)
(2.2) stretch into.
5. according to the guard fastening structure described in claim 1 or 2 or 3, it is characterised in that form the hard of the first press strip (19)
Material be glass fibre, metal any one；The elastomeric material for forming the second press strip (20) is rubber, elastic metallic, foam plastic
Expect any one.
6. closed without resonance TV loudspeaker box, including sound box mesh cover (1) and voice box casing (2), sound box mesh cover (1) is along its length
It is fastened on voice box casing (2), it is characterised in that sound box mesh cover (1) and voice box casing (2) use the claims 1-
5 any described guard fastening structures.
7. audio amplifier according to claim 6, it is characterised in that be additionally provided with suspension member (11), suspension member on the voice box casing (2)
Position is provided with the character cut in bas-relief shape of open pore, and suspension member is divided into left suspension member (11.4) and right suspension member (11.1), and is symmetrically pacified by mounting hole
Mounted in voice box casing (2) back side both sides, left suspension member (11.4) open pore is down-set, right suspension member (11.1) open pore
Horizontally toward set.
8. audio amplifier according to claim 6, it is characterised in that be additionally provided with the board pedestal on the voice box casing (2)
Component (9), the board base assembly (9) are made up of base (24), board mainboard (22) and board subplate (21), the base
(24) top panel is provided with mounting post (24.3), back mounting pole (24.5), interface holes (24.4), and backplate is provided with heat emission hole
(24.1), front is provided with board pedestal flange (24.2), and board mainboard (22) lower part is pacified by preceding mounting post (24.3)
On base (24), upper part is fixed on the inside of housing (1) front by fixing bolt (12), under the board subplate (21)
Part is arranged on base (24) by back mounting pole (24.5), interface holes (24.4), and the board base assembly (9) passes through peace
It is inner installed in housing board base aperture (1.5) to fill hole.
9. audio amplifier according to claim 6, it is characterised in that antenna base (8) is additionally provided with the voice box casing (2),
The antenna base (8) is fixed on the antenna base hole (1.6) of housing (1) overhead surface, is set outside the antenna base (8)
There is pedestal flange (8.3), outer middle side part is provided with antenna hugging (8.1), and antenna hugging (8.1) bottom is provided with antenna installing hole
(8.2), the antenna is arranged in antenna installing hole (8.2).
10. audio amplifier according to claim 6, it is characterised in that be additionally provided with baffle assembly in the voice box casing (2), institute
The mounting groove (1.2) that voice box casing inner chamber is symmetrically formed length direction is stated, insertion cylindrical hole is formed in mounting groove (1.2)；It is described
Baffle assembly forms the fixation sliding block of corresponding matching cylindrical hole with mounting groove；The baffle assembly has two, by housing (1) inner chamber
It is divided into left, right three enclosed regions of neutralization.
11. audio amplifier according to claim 10, it is characterised in that baffle assembly includes dividing plate (3), damped rubber ring (4),
Damped rubber ring (4) is provided with fixed sliding block and is fixed on housing cavity, is additionally provided with what is coordinated with dividing plate on damped rubber ring (4)
Through hole, the dividing plate (3) are arranged on damped rubber ring (4) through hole；The domed arc surface of dividing plate (3) plate face (3.4), in
Portion is provided with shield bore (3.1), and it is inner that Wire sheath (25) is socketed in shield bore (3.1).
12. audio amplifier according to claim 6, it is characterised in that described voice box casing (2) one end is provided with end cap (6), described
Damping seal pad (18) is additionally provided between end cap (6) and housing (1) junction；Voice box casing (2) other end is provided with outer cover
(13), the outer cover (13) is fixed with sealing gasket (17), control board (16) between housing, and the sealing gasket (17) is located at control
Circuit board (16) processed is middle with outer cover (13).
13. audio amplifier according to claim 12, it is characterised in that the damping seal pad (18) be planar profile and with end
It is approximate to cover (6) planar profile, middle part is provided with sealing gasket through hole (18.1), and two sides is provided with sealing gasket alignment pin (18.2), the sealing
Pad alignment pin coordinates with the damping seal pad positioning hole (6.2) being provided with the inside of the end cap (6), realizes end cap (6) and housing
(1), guard (2) is flexibly connected.
14. audio amplifier according to claim 6, it is characterised in that be additionally provided with controlling switch component in the voice box casing (2)
(07), the controlling switch component (07) includes control board (16), control panel (14), key panel (26), key panel
(26) power switch, button (15) are provided with, button (15) material is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060165.8A CN107846644A (en) | 2017-11-01 | 2017-11-01 | A kind of guard fastening structure and its closed no resonance sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060165.8A CN107846644A (en) | 2017-11-01 | 2017-11-01 | A kind of guard fastening structure and its closed no resonance sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107846644A true CN107846644A (en) | 2018-03-27 |
Family
ID=61681202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060165.8A Pending CN107846644A (en) | 2017-11-01 | 2017-11-01 | A kind of guard fastening structure and its closed no resonance sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107846644A (en) |
Cited By (2)
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| CN110177329A (en) * | 2019-07-04 | 2019-08-27 | 深圳市仁禾智能实业有限公司 | A kind of speaker lid infantees technique and speaker lid infantees bottom surface bond mold |
| CN111182437A (en) * | 2020-01-04 | 2020-05-19 | 刘俊杰 | Automatic assembly process for portable sound equipment |
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Effective date of registration: 20210122 Address after: Room 529, 319 Shenjia Road, Xiacheng District, Hangzhou, Zhejiang 310000 Applicant after: Zhejiang Jintong Intelligent Technology Co.,Ltd. Address before: Room 528, 319 Shenjia Road, Xiacheng District, Hangzhou City, Zhejiang Province 310005 Applicant before: ZHEJIANG JINTONG CULTURE CREATIVITY Co.,Ltd. |