CN207603878U - 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
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- CN207603878U CN207603878U CN201721439493.4U CN201721439493U CN207603878U CN 207603878 U CN207603878 U CN 207603878U CN 201721439493 U CN201721439493 U CN 201721439493U CN 207603878 U CN207603878 U CN 207603878U
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- press strip
- guard
- box casing
- voice box
- hole
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Abstract
The utility model 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, which bends inwards, is inserted into combination slot;The combination slot is also combined with combination press strip, the combination press strip is combined and is formed by hard material press strip and elastic material press strip, and it combines press strip to be interference fitted in combination slot, and passes through elastic material press strip top pressure guard connection flanging, connection flanging is made to be pressed in combination slot.The utility model can not only ensure that guard was strong bonded, without friction with voice box casing, but also can conveniently realize the dismounting between guard and voice box casing.
Description
Technical field
The present invention relates to a kind of speaker field, more particularly, to the fastening structure and its use of sound box mesh cover and voice box casing
The fastening structure it is closed without resonance TV loudspeaker box.
Background technology
A large amount of with LED flat plate television set popularize, and television set is more and more thinner, has brought people's high definition and ultra-thin vision
It enjoys, but since the compression of speaker mounting space volume is limited, the loud speaker thin type of LED, narrow shape causes sound quality to show
Public demand far can not be met, therefore, the external voice box that some mating television sets use comes into being.Such as in television set
Both sides mount or place speaker, and sound quality of televising is improved by the way of this externally-hung loundspeaker.
Existing television acoustics, the lateral symmetry arrangement of loud speaker left and right acoustic channels, shell material is thin, and cavity is long, flat and narrow.It is this
Television acoustics good appearance, installation occupy little space, and power of loudspeaker is larger, carry loudspeaker tonequality than television set and have and carry greatly very much
It is high.The external voice box of these existing television sets is usually all to make sound using moulding aluminium section bar or wooden structures
Case voice box casing, is fitted together using several, for example compared with common practice is to form speaker speaker shell using front housing, rear shell
Body, the leakproofness of this voice box casing is poor and the special shape of speaker, system resonance phenomenon can not be resolved, exist
The defects of noise and distorsion.
A kind of published Chinese invention patent of the external voice box of television set, Authorization Notice No. CN1988730B,
Its improved procedure is structure based on the voice box casing being made in a manner of extrusion moulding, 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,
It is secondary, it is sealed at the mounting hole of component by loading onto sealing cover in the upper and lower opening of voice box casing and having in corresponding connection
Processing, can realize hermetically sealed in voice box casing.
But cover in the sound box mesh cover of voice box casing forepart, it is connected between voice box casing using snap fastener mode
It connects;The guard of strip is fixed on by four point type snap fasteners on voice box casing, larger for this broadcasting sound of speaker, vibration
Device, such connection mode there are Railway Project,
1st, point connecting structure, intensity is relatively low, for strip voice box casing, is easily deposited between guard and voice box casing
In gap, and gap may result in vibratory murmur.
2nd, snap fastener required precision is high, and guard connection is insecure, and sound shakes in the presence of may result in compared with high tolerance for the two size
It is dynamic to can bring about guard vibration, noise is generated, influences to use.
3rd, repair dismounting is inconvenient, and in order to ensure that it is tight slightly that secured snap fastener is usually clamped, dismounting may result in snap fastener several times
Deformation.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, a kind of the closed without the external sound that resonates of television set is provided
Case can not only ensure that guard was strong bonded, without friction with voice box casing, but also can conveniently realize between guard and voice box casing
Dismounting.
The first technical solution 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, which is characterized 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, which bends inwards, is inserted into combination
Slot;The combination slot is also combined with combination press strip, which is combined and formed by hard material press strip and elastic material press strip,
And it combines press strip to be interference fitted in combination slot, and passes through elastic material press strip top pressure guard connection flanging, makes connection flanging
It 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 cooperation 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 pass through insert port, against side wall and be fixed in combination slot;Described second connects
Socket part is U-shaped shape, U-shaped shape opening perforation first connecting portion;Corresponding combination press strip is by the first press strip of hard material and elasticity
The second press strip of material is formed, and the first press strip section is that circle is correspondingly connected in second connecting portion, and the second press strip section is rectangular
Shape is correspondingly arranged at first connecting portion, in second connecting portion;First the second press strip of press strip top pressure makes it be fixed with connection flanging.
The present invention also provides another technical solutions:It is closed without resonance TV loudspeaker box, including sound box mesh cover and speaker shell
Body, sound box mesh cover are fastened on voice box casing along its length, which is characterized in that sound box mesh cover and voice box casing are using upper
State the guard fastening structure.
Further, baffle assembly is additionally provided in the voice box casing, the voice box casing inner cavity is symmetrically formed length side
To mounting groove, perforation cylindrical hole is formed in mounting groove;The baffle assembly forms consolidating for corresponding matching cylindrical hole with mounting groove
Fixed slider;There are two the baffle assemblies, and housing cavity is divided into left, right three enclosed regions of neutralization.
Further, baffle assembly includes partition board, damped rubber ring, and damped rubber ring is equipped with fixed sliding block and is fixed on
Housing cavity, the through-hole coordinated with partition board is additionally provided on damped rubber ring, and the partition board is mounted on damping rubber ring through hole;Institute
The domed arc surface of partition board plate face is stated, middle part is equipped with shield bore, and Wire sheath is socketed in shield bore.
The beneficial effects of the invention are as follows:
1st, using this guard fastening structure, main body includes combination slot, combination press strip, connects for the guard of speaker and voice box casing
Flanging is connect, combination press strip is combined and formed by hard material press strip and elastic material press strip, and combined press strip and be interference fitted in group
It closes in slot, and passes through elastic material press strip top pressure guard connection flanging, connection flanging is made to be pressed in combination groove.Simple bullet
Property material due to needing to be interference fitted in slot, this just makes assembling that can not realize, but use hard material press strip and elastic material
The combination press strip of press strip, space is big in combination slot, and elastic material press strip can be first threaded through in combination slot, second step hard material
Expect that press strip is passed through in combination slot remaining space, easily propagated through since hard material is smooth, also reach interference fit in addition, utilize bullet
Property material press strip suppresses connection flanging.
This strip, the flexible mode being fixedly connected avoid buckle rigidity, point connecting structure shortcoming in the prior art,
The point connecting structure that is such as buckled can form seam, gap between guard and voice box casing, and integrated degree is low, and rigidly connects
It connects, it is difficult to avoid vibration, the generation of noise.
2nd, fixed groove is formed in connection flanging, which plays the role of hook, links up with guard connection flanging
On combination press strip, voice box casing, make guard connection more secured.
3rd, in addition, being also convenient for guard assembly or disassembly repair.
4th, realization principle of the present invention compared with prior art its beneficial have the technical effect that:Power on, loud speaker generates
In, low, high audio, Hz-KHz is generally 20 between 22000HZ.When sound wave passes to inner walls, sound box system excited target
Frequency when being close with the intrinsic frequency of the system, there is system amplitude and significantly increase phenomenon resonating.When resonance wave starts
When deriving, propagating, inhibited immediately by the damped rubber ring in the second press strip damping rubber and baffle assembly, and decay rapidly and disappear
It removes, whole process is held time≤0.02 second.The device technique is with obvious effects:Simple in structure, thickness ultrathin is clean-cut
Meanwhile sensitivity 90dB/Wm is realized, the comprehensive distortion factor≤1%, resonance is eliminated, distortion reduction, and Hz-KHz is widened, can be wide
It is general to be applied to the external sound equipment of liquid crystal TV set.
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 structure diagram;
Fig. 6 is the present invention (Fig. 2) D to structure diagram;
Fig. 7 is inventive shell structure schematic diagram;
Fig. 8 is the present invention (Fig. 7) E to structure diagram;
Fig. 9 is snap-gauge 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 partition board 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 pads main structure diagram for damping seal of the present invention;
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 circuit 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 structure diagram;
Figure 29 is the stereoscopic schematic diagram 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--- partition boards;04--- damped rubber rings;05--- loud speakers;
06--- end caps;07--- control switches;08--- antenna bases;09--- board base assemblies;
10--- mounting blocks;11--- pendants;12--- fixing bolts;13--- outer covers;14--- control panels;
15--- buttons;16--- control circuit boards;17--- gaskets;18--- damping seal pads;
19--- consent needles;20--- rubber seal strips;21--- board subplates;22--- board mainboards;23--- antennas;
24--- pedestals;25--- Wire sheaths;26--- key panels;1.1--- combination slot;1.2--- mounting groove;
1.3--- approximate ellipses are combined 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 location hole;6.3--- mounting hole;
8.1--- antenna huggings;8.2--- antenna installing hole;8.3--- pedestal flanges;11.1--- right pendant;
11.2--- left open pore;11.3--- under shed hole;11.4--- left pendant;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 location hole;14.5--- control panel location hole;15.1--- positioning pins;15.2--- key holes;
15.3--- resilient male-female slot;16.1--- power outlets;16.2--- data-signal socket;16.3--- metal domes;
18.1--- gasket through-hole;18.2--- gasket positioning 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
Specific 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, it is closed without resonance TV loudspeaker box, by housing 1, guard 2, baffle assembly, damped rubber ring
4th, loud speaker 5, end cap 6, control switch 7, antenna base 8, board base assembly 9 are formed.1 longitudinal profile of housing is approximate
Ellipse combines 1.3 closure thin wall hollow pipe with circular curve, and upper and lower both sides thin-walled is equipped with Symmetric Composite slot 1.1 and mounting groove
1.2, mounting groove 1.2 be set on housing cavity, outer surface be equipped with combination slot 1.1, antenna base hole 1.6, board base aperture 1.5,
Speaker hole 1.4, mounting hole and pendant 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
Including 1.1 one side wall of combination slot and the insert port of side wall is connected, the connection flanging 2.2 passes through insert port, againsts side wall and fix
In combination slot 1.1;The second connecting portion 1.1.2 is U-shaped shape, U-shaped shape opening perforation first connecting portion;Corresponding combination pressure
For item to be made of the first press strip of hard material 19 and the second press strip of elastic material 20,19 section of the first press strip is circular consent
Needle 19 is correspondingly connected in second connecting portion 1.1.2, and 20 section of the second press strip is rectangular rubber seal strip 20, is corresponded to
It is arranged in first connecting portion 1.1.1, second connecting portion 1.1.2;19 top pressure rubber seal strip 20 of consent needle makes itself and connection flanging
It is fixed.In addition, 2 connection flanging 2.2 of guard forms a fixed groove 2.2.1, the fixed groove with combining the contact surface of press strip
2.2.1 guard connection flanging 2.2 is made to be connected in combination slot 1.1 with combining press strip cooperation.The combination slot 1.1 first connects
Portion 1.1.1 and the slot bottom bottom of insert port face are formed with holding tank 1.1.3, and holding tank 1.1.3 is stretched for connection flanging 2.2
Enter.
2 surface of guard is equipped with the mesh 2.3 of equally distributed rule, indicia grooves 2.4, and both sides are equipped with connection flanging
2.2,2.2 middle part of connection flanging is equipped with guard through-hole 2.1.
The voice box casing inner cavity is symmetrically formed the mounting groove 1.2 of length direction, and perforation cylinder is formed in mounting groove 1.2
Hole, there are two the baffle assemblies and is assemblied in housing cavity, and 1 inner cavity of housing is divided into left, right three closed areas of neutralization
Domain, concrete structure upper spacer component include partition board 3 and damped rubber ring 4, and damped rubber ring 4 is equipped with fixed sliding block, with peace
Tankage 1.2 is slidably matched, and ensures that baffle assembly is fixed on housing cavity, is additionally provided on damped rubber ring 4 and leads to what partition board coordinated
Hole, the partition board 3 are mounted on 4 through-hole of damped rubber ring;The domed arc surface 3.4 of 3 plate face of partition board, middle part are equipped with shield
Sets of holes 3.1, Wire sheath 25 are socketed in shield bore 3.1.
The partition board 3 is fixed on 1 inside of housing by mounting hole, forward flange 3.2, rear flange 3.3, by 1 medial type of housing
Chamber is divided into left, right three enclosed regions of neutralization.The domed arc surface 3.4 of 3 plate face of partition board, middle part are equipped with shield bore
3.1, Wire sheath 25 is socketed in shield bore 3.1, the Wire sheath 25 it is characterized in that by upper piece 25.3, bottom sheet 25.2
It forms, middle part is equipped with threading semicircle orifice 25.1, and 3 quantity of partition board is two, and each 3.1 quantity of partition board shield bore is two.
The damped rubber ring 4 is arranged on partition board 3 and in the middle part of 1 junction of housing, the damped rubber ring 4 is it is characterized in that middle part is set
There is stepped hole 4.1, outside is equipped with sealing lip 4.3, on one side equipped with fabrication hole 4.2.The loud speaker 5 is raised by middle pitch, bass, high pitch
Sound device and echosonde are formed, and the loud speaker 5 is fixed on 1 front of housing by speaker hole 1.4, and it is in linear type to divide left and right acoustic channels
Symmetric configuration.
Described 1 one end of voice box casing is equipped with end cap 6, and the end cap 6 and housing are additionally provided with damping seal pad between 1 junction
18;1 other end of voice box casing is equipped with outer cover 13, and gasket 17, control circuit board are fixed between the outer cover 13 and housing
16, the gasket 17 is located among control circuit board 16 and outer cover 13.
The damping seal pad 18 is planar profile and approximate with 6 planar profile of end cap, and middle part is equipped with gasket through-hole
18.1, two sides is equipped with gasket positioning pin 18.2, and the damping seal pad which is equipped with 6 inside of end cap is determined
Position 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, mounting blocks
10th, damping seal pad 18 is fixed on the left end of housing 1, and the damping seal pad 18 is located in housing 1 and 6 junction of end cap
Between, the damping seal pad 18 is planar profile and approximate with 6 planar profile of end cap, and middle part is equipped with gasket through-hole 18.1, two
Face is equipped with gasket positioning pin 18.2, and it is two that the damping seal, which pads 18 quantity, and 6 planar profile of end cap is cut with housing 1
Face is approximate, and inside is equipped with damping seal pad location hole 6.2, damping seal pad rank 6.1 and mounting hole 6.3, and passes through wherein one
A damping seal pads 18 gasket positioning pins 18.2 and realizes that end cap 6 socket-connects with guard 2.
Control switch module 07 is additionally provided in the voice box casing 1, the control switch module 07 includes control circuit board
16th, control panel 14, key panel 26, key panel 26 are equipped with power switch, button 15, and 15 material of button is rubber.
Specifically, the control circuit board 16 is set on one side there are four metal dome 16.3, set that there are two power outlets on one side
16.1 and a data-signal socket 16.2, the control circuit board 16 is mounted on 13 inside of outer cover, 16.1 sum number of power outlet
It being socketed in outer cover square hole 13.1 according to signal plug 16.2, the gasket 17 is located among control circuit board 16 and outer cover 13,
26 upper face of key panel is set there are four key hole 15.2 and two positioning pins 15.1, and lower face is equipped with and key hole
15.2 corresponding four resilient male-female slots 15.3,15 material of button are rubber, and the button 15 is socketed in by positioning pin 15.1
The inside of control panel 14, described 26 one end of key panel are socketed on key hole 15.2,26 shape of key panel be it is "T"-shaped,
Quantity is four, and the outer cover 13 is fixed on 14 inside of control panel, and the control panel 14 passes through control panel mounting hole 14.2, installation
Block 10, damping seal pad 18 are fixed on the right end of housing 1, and the damping seal pad 18 is located at housing 1 and 14 junction of control panel
Between;14 planar profile of control panel is approximate with housing section, and inside is equipped with power switch hole 14.1, control panel mounting hole
14.2nd, control panel step 14.3, button location hole 14.4 and control panel location hole 14.5, and pass through one of damping seal pad
18 gasket positioning pins 18.2 realize that control panel 14 socket-connects with guard 2, and the power switch is socketed in power switch hole 14.1
In, 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 1 overhead surface of housing, outside the antenna base 8
Equipped with pedestal flange 8.3, outer middle side part is equipped with antenna hugging 8.1, and 8.1 bottom of antenna hugging is equipped with antenna installing hole 8.2,
The antenna is mounted in antenna installing hole 8.2.
The board base assembly 9 is made of pedestal 24, board mainboard 22 and board subplate 21,24 top panel of pedestal
Equipped with preceding mounting post 24.3, back mounting pole 24.5, interface holes 24.4, backplate is equipped with heat emission hole 24.1, and front is equipped with board base
Seat flange 24.2,22 lower part of board mainboard are mounted on by preceding mounting post 24.3 on pedestal 24, and upper part passes through fixation
Bolt 12 is fixed on 1 front inside of housing, and 21 lower part of board subplate is installed by back mounting pole 24.5, interface holes 24.4
On pedestal 24, the board base assembly 9 is mounted on by mounting hole in housing board base aperture 1.5.
The pendant 11 is made of left pendant 11.4 and right pendant 11.1, all to be equipped with the character cut in bas-relief shape of open pore, and is led to
It crosses mounting hole and is symmetrically mounted on 1 back side both sides of housing, set on left 11.4 panel of pendant there are one under shed hole 11.3 downward,
Side outline approximation Z-shaped is set on right 11.1 panel of pendant there are one towards left open pore 11.2, and side outline is 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, partition board 3 can use metal material, can also use engineering plastics, select unlike material not shadow
This patent is rung to implement.
To ensure that connection flanging and combination slot buckle are secured, there are three specific technical measures:
1st, the slot bottom bottom of the combination slot first connecting portion and insert port face is formed with holding tank, and the holding tank is for connecting
It connects flanging and uses up depth capacity and stretch into.
2nd, the contact surface of connection flanging and the second press strip forms a fixed groove, which is clamped the second press strip.
Connection flanging does not have singly the elasticity extruding of combination press strip to be fixed in combination slot, and connection flanging also passes through fixed groove and the second press strip
Clamping, it is ensured that guard is fastenedly connected voice box casing.
3rd, first connecting portion is wedge shape, which can coordinate the connection flanging to bend inwards to be pressed on
On side wall.
4th, second connecting portion is circular hole, and the first press strip made of hard material is cylindrical bars, which penetrates through in circular hole
It is interior;Second press strip made of elastic material is rectangular strip, which squeezes the first press strip and connection flanging respectively.It is this
Soft or hard combination, is on the one hand more easily installed, and is on the other hand squeezed by elastic material, it is ensured that guard can be fastened on speaker
On housing.
In material selection, the hard material for forming the first press strip is one of glass fibre, metal, preferably glass fibre.Structure
Elastic 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 made to be inserted into 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, circular hole of first press strip for cylindrical metal consent needle in combination slot.
4th, sound box mesh cover and voice box casing fasten fastening.
Using above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
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 range is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (14)
1. a kind of guard fastening structure, sound box mesh cover (2) is fastened along its length on voice box casing (1), and feature exists
In the voice box casing (1) is symmetrically formed the combination slot (1.1) of length direction, the guard with guard (2) joint face upper and lower side
(2) lower edges symmetrically extend inwardly to form connection flanging (2.2), which bends inwards, is inserted into 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 elastic material press strip
Combination is formed, and is combined press strip and be interference fitted in combination slot (1.1), and passes through elastic material press strip top pressure guard (2) even
It connects flanging (2.2), connection flanging (2.2) is made to be pressed in combination slot (1.1).
2. guard fastening structure according to claim 1, which is characterized in that guard (2) connection flanging (2.2) is with combining pressure
The contact surface of item forms a fixed groove (2.2.1), which roll 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, which is characterized in that the combination slot (1.1) connects including first
Socket part (1.1.1) and second connecting portion (1.1.2), first connecting portion (1.1.1) are to include combination slot (1.1) one side wall and connection
The insert port of side wall, the connection flanging (2.2) across insert port, against side wall and be fixed in combination slot (1.1);Described second
Connecting portion (1.1.2) is U-shaped shape, U-shaped shape opening perforation first connecting portion;Corresponding combination press strip is is pressed by hard material first
Item (19) and the second press strip of elastic material (20) are formed, and the first press strip (19) section is that circle is correspondingly connected in 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, which is characterized in that combination slot (1.1) first connecting portion
(1.1.1) and the slot bottom bottom of insert port face are formed with holding tank (1.1.3), and the holding tank (1.1.3) is for connection flanging
(2.2) it stretches into.
5. guard fastening structure according to claim 3, which is characterized in that form the first press strip (19) hard material be
Glass fibre, metal any one;It is arbitrary for glue, elastic metallic, foamed plastics to form the elastic material rubber of the second press strip (20)
It is a kind of.
6. closed without resonance TV loudspeaker box, including sound box mesh cover (2) and voice box casing (1), sound box mesh cover (2) is along its length
It is fastened on voice box casing (1), which is characterized in that sound box mesh cover (2) and voice box casing (1) are using the claims 1-
The 5 arbitrary guard fastening structures.
7. speaker according to claim 6, which is characterized in that be additionally provided with pendant (11), pendant on the voice box casing (1)
Position is equipped with the character cut in bas-relief shape of open pore, and pendant is divided into left pendant (11.4) and right pendant (11.1), and passes through mounting hole and symmetrically pacify
Mounted in voice box casing (1) back side both sides, left pendant (11.4) open pore is down-set, right pendant (11.1) open pore
Horizontally toward set.
8. speaker according to claim 6, which is characterized in that be additionally provided with board base assembly on the voice box casing (1)
(9), the board base assembly (9) is made of pedestal (24), board mainboard (22) and board subplate (21), the pedestal (24)
Top panel is equipped with preceding mounting post (24.3), back mounting pole (24.5), interface holes (24.4), and backplate is equipped with heat emission hole (24.1),
Front is equipped with board pedestal flange (24.2), and board mainboard (22) lower part is by preceding mounting post (24.3) mounted on pedestal
(24) on, upper part is fixed on housing (1) front inside by fixing bolt (12), and board subplate (21) lower part passes through
On pedestal (24), the board base assembly (9) is installed by mounting hole for back mounting pole (24.5), interface holes (24.4)
It is inner in housing board base aperture (1.5).
9. speaker according to claim 6, which is characterized in that antenna base (8) is additionally provided on the voice box casing (1),
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 equipped with antenna hugging (8.1), and antenna hugging (8.1) bottom is equipped with antenna installing hole
(8.2), the antenna is mounted in antenna installing hole (8.2).
10. speaker according to claim 6, which is characterized in that be additionally provided with baffle assembly in the voice box casing (1), institute
The mounting groove (1.2) that voice box casing inner cavity is symmetrically formed length direction is stated, perforation 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;There are two the baffle assemblies, by housing (1) inner cavity
It is divided into left, right three enclosed regions of neutralization.
11. speaker according to claim 10, which is characterized in that baffle assembly includes partition board (3), damped rubber ring (4),
Damped rubber ring (4) is equipped with fixed sliding block and is fixed on housing cavity, is additionally provided with what is coordinated with partition board on damped rubber ring (4)
Through-hole, the partition board (3) is on damped rubber ring (4) through-hole;The domed arc surface of partition board (3) plate face (3.4), in
Portion is equipped with shield bore (3.1), and it is inner that Wire sheath (25) is socketed in shield bore (3.1).
12. speaker according to claim 6, which is characterized in that described voice box casing (1) one end is equipped with end cap (6), described
Damping seal pad (18) is additionally provided between end cap (6) and housing (1) junction;Voice box casing (1) other end is equipped with outer cover
(13), which is fixed with gasket (17), control circuit board (16) between housing, and the gasket (17) is located at control
Circuit board (16) processed is intermediate with outer cover (13).
13. speaker according to claim 12, which is characterized in that the damping seal pad (18) for planar profile and with end
It is approximate to cover (6) planar profile, middle part is equipped with gasket through-hole (18.1), and two sides is equipped with gasket positioning pin (18.2), the sealing
The damping seal pad location hole (6.2) being equipped on the inside of pad positioning pin and the end cap (6) coordinates, and realizes end cap (6) and housing
(1), guard (2) is flexibly connected.
14. speaker according to claim 6, which is characterized in that be additionally provided with control switch module in the voice box casing (1)
(07), the control switch module (07) includes control circuit board (16), control panel (14), key panel (26), key panel
(26) power switch, button (15) are equipped with, button (15) material is rubber.
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CN201721439493.4U CN207603878U (en) | 2017-11-01 | 2017-11-01 | A kind of guard fastening structure and its closed no resonance sound box |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107846644A (en) * | 2017-11-01 | 2018-03-27 | 浙江金通文化创意有限公司 | A kind of guard fastening structure and its closed no resonance sound box |
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2017
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107846644A (en) * | 2017-11-01 | 2018-03-27 | 浙江金通文化创意有限公司 | A kind of guard fastening structure and its closed no resonance sound box |
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