CN108391189A - A kind of adjustable angle embedded loudspeaker box - Google Patents
A kind of adjustable angle embedded loudspeaker box Download PDFInfo
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- CN108391189A CN108391189A CN201810470584.7A CN201810470584A CN108391189A CN 108391189 A CN108391189 A CN 108391189A CN 201810470584 A CN201810470584 A CN 201810470584A CN 108391189 A CN108391189 A CN 108391189A
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- Prior art keywords
- speaker
- mounting base
- ceiling mounting
- tightrope
- ceiling
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Classifications
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- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
Abstract
The present invention relates to speaker technology fields, specifically a kind of adjustable angle embedded loudspeaker box, including a speaker and a ceiling mounting base, speaker is arcuate structure, the front end face in speaker is arranged in the speaker voice giving mouth of speaker, the side of speaker is equipped with articulated section, the opposite other side is using articulated section as the arc surface in the center of circle, arc surface is equipped with location structure, ceiling mounting base is the cyclic structure being sleeved on outside speaker, the side of ceiling mounting base is hinged with speaker, the other side is equipped with the retaining mechanism of cooperation location structure, speaker can rotate so as to adjust the orientation angle of speaker voice giving mouth when retaining mechanism is opened, ceiling mounting base is equipped with the first bindiny mechanism for being fixedly connected with smallpox preformed hole.The invention has the advantages that the installation by adhering of speaker not only may be implemented, but also it can realize that the outlet sound mouth orientation angle of speaker of voice box is adjusted according to needs are used, to obtain best acoustics, and also it is simple in structure, it is easy to install and use.
Description
Technical field
The present invention relates to speaker technology field, specifically a kind of adjustable angle embedded loudspeaker box.
Background technology
Since there is speaker certain volume, independent place can occupy many interior spaces indoors, and if
Put it is improper if, can also influence beauty.In order to solve this problem, some existing speakers are mounted on smallpox using ceiling type
On plate, the speaker of this ceiling type installation, the speaker voice giving mouth of speaker is arranged vertically downward, and angle cannot be adjusted, right
In the small-size sound box of some low-power, this set does not interfere with its normal work and use, but for high-power speaker, it is special
It is not professional full-range cabinet, if using this mounting means, since the outlet sound mouth orientation angle of speaker of voice box cannot
Need and be adjusted according to using, can seriously affect acoustics when use, and due to its generate the sound pressure level of sound compared with
Greatly, the listener head below the mouth down face speaker of speaking of loud speaker, can produce bigger effect the health of hearer.
Invention content
Above of the existing technology in order to solve the problems, such as, the present invention provides a kind of adjustable angle embedded loudspeaker box, both may be used
To realize the installation by adhering of speaker, and it can realize that the outlet sound mouth orientation angle of speaker of voice box is adjusted according to needs are used
Section, to obtain best acoustics, and also it is simple in structure, it is easy to install and use.
The present invention is realized by following technical proposals：
A kind of adjustable angle embedded loudspeaker box, including a speaker and a ceiling mounting base, the speaker are arcuate structure, sound
The front end face in speaker is arranged in the speaker voice giving mouth of case, and the side of speaker is equipped with articulated section, and the opposite other side is with hinged
Portion is the arc surface in the center of circle, several location structures are intervally distributed on the arc surface, and the ceiling mounting base is to be sleeved on sound
Cyclic structure outside case, the side of ceiling mounting base are hinged with speaker at the articulated section, the other side be equipped with can with it is any
The retaining mechanism that the location structure locks, the speaker being capable of the relatively described ceiling mounting base turn when opening for retaining mechanism
It moves so as to adjust the orientation angle of speaker voice giving mouth, the ceiling mounting base is equipped with reserved for being fixedly connected with smallpox
First bindiny mechanism in hole.
Preferably, the location structure is locating slot, and the retaining mechanism includes a lock and an elastic component, lock and institute
It states ceiling mounting base to be hinged, lock is equipped with the lock pin that can carry out grafting with any locating slot, and the elastic component can
The lock is driven to rotate so that lock pin is inserted into locating slot.
Preferably, the elastic component is the first compressed spring, the back of the body of one end apical grafting of the first compressed spring in the lock pin
Face, other end apical grafting is in the ceiling mounting base.
Preferably, one is additionally provided on the lock can stir the shifting block that lock is rotated relative to the ceiling mounting base, institute
State the front that shifting block is exposed to the ceiling mounting base.
Preferably, the connection jaws of the speaker are located at the rear end face of speaker, and the side of speaker is additionally provided with deflector hole.
Preferably, first bindiny mechanism includes at least two buckle mechanisms, and the buckle mechanism includes an adjusting spiral shell
Bolt, a baffle and a button bar, the ceiling mounting base are equipped with the perforation for penetrating its front and back, and the adjusting bolt passes through
The head of the perforation and adjusting bolt is exposed to the front of ceiling mounting base, and one end of button bar is threadedly coupled with adjusting bolt,
Rotation adjusting bolt can drive the button bar follow rotation until button bar touch baffle and stop rotating, be rotated further adjusting spiral shell
Bolt can drive button bar to be moved towards the back side of ceiling mounting base, pre- to enable button bar that ceiling mounting base to be coordinated to clamp smallpox
The edge boxed out.
Preferably, the perforation is through-hole, and the buckle mechanism further includes second pressure being sleeved on outside the adjusting bolt
Contracting spring, one end of the second compressed spring are connected to the back side of the ceiling mounting base, and the other end is connected on the button bar, from
And the head of adjusting bolt is made to be tightly attached to the front of the ceiling mounting base always.
Preferably, the rear end of the speaker is equipped with for limiting its limit convex passed through from the inner ring of the ceiling mounting base
It rising, the orientation angle adjustable range of the speaker voice giving mouth is 0-90 °, when orientation angle is 0 °, the front end face of speaker and suction
The front of top mounting base is generally aligned in the same plane, and the front end face outer diameter of the speaker is equal to the inner ring diameter of ceiling mounting base so that sound
Case and the inner ring of ceiling mounting base fit.
Preferably, the second bindiny mechanism for suspending supporting point in midair for connecting roof, institute are additionally provided in the ceiling mounting base
It is adjustable soft suspension mechanism, including a tightrope and a non-return locking wire device to state the second bindiny mechanism, and non-return locking wire device, which is equipped with, to be supplied
What tightrope passed through crosses space of lines, the non-return mechanism for preventing tightrope from inversely being moved in crossing space of lines and stops for unclamping
Inverse mechanism is so that the unlock piece that tightrope can inversely move in crossing space of lines, non-return locking wire device are fixed on the one of ceiling mounting base
One end of side, tightrope passes through the space of lines of crossing of non-return locking wire device, the other end of tightrope to pass through roof suspention supporting point and and ceiling
The other side of mounting base is detachably connected.
Preferably, the non-return locking wire device includes a locking wire device ontology for being internally provided with cavity and a unlock
One end of part, unlock piece is contained in the cavity of locking wire device ontology and can move up and down wherein, and one is additionally provided on unlock piece
The top of adjusting rope, cavity is up-small and down-big conical cavity, and the non-return mechanism includes a preload being arranged in cavity
The first compressed spring and at least three balls, in the bottom of cavity, other end apical grafting exists one end apical grafting of the first compressed spring
The bottom of ball, at least three balls are close to the inner wall of conical cavity and, the top abutting of ball circumferentially distributed along inner wall
On the bottom of unlock piece, the tightrope passes through the enclosed space of at least three balls；When pulling downward on tightrope, tightrope band
It moves the ball to scroll down through in cavity, the enclosed space of ball becomes larger and tightrope is enable to pull downward on；It pulls up
When dynamic tightrope, tightrope drives ball to scroll up in cavity, and the enclosed space of ball tapers into and prevents tightrope clamping
Tightrope inversely moves；Pulling downward on adjusting rope can drive unlock piece to move down and then ball is pushed to overcome the first compressed spring
Active force move down to unclamp non-return mechanism, so that tightrope is pulled up.
Compared to the prior art, a kind of advantageous effect of adjustable angle embedded loudspeaker box of the present invention is：It is installed by ceiling
Speaker installation by adhering in smallpox preformed hole, is realized the installation by adhering of speaker by seat；By speaker and ceiling mounting base it
Between hinged cooperation, arc surface is matched with the retaining mechanism in ceiling mounting base on speaker, need not dismantle ceiling installation
In the case of seat, operating personnel stir the angle that speaker is rotated by lock can open retaining mechanism by shifting block, unclamp and dial
Block is the locked and fixed realized between speaker and ceiling mounting base, can realize the flexible of speaker of voice box outlet sound mouth orientation angle
Adjust, and adjust it is extremely convenient and simple in structure, stablize it is durable, manufacture it is low with maintenance cost；Ceiling is realized by buckle mechanism
Mounting base reserves fixing to clamp for bore edges with smallpox, and operating personnel only need to rotate adjusting bolt by tool and ceiling can be realized
Hand need not be stretched into smallpox preformed hole and be operated by the fixation or release of mounting base and ceiling, construction safety, moreover,
The load-bearing capacity of buckle mechanism is strong, can realize the installation by adhering of heavier speaker；It can be real by adjustable soft suspension mechanism
Now suspension installation, effectively undertakes the weight of speaker, due to being to use soft suspension mode, so not requiring the suspention supporting point on roof
With the necessary precise alignment of ceiling preformed hole, speaker can be effectively undertaken if even if there is certain deviation that soft suspension mechanism is adjusted
Weight, nor influence the installation by adhering of ceiling mounting base and ceiling preformed hole.
The effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with abundant
Ground understands the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is a kind of one of structural schematic diagram of adjustable angle embedded loudspeaker box of the present invention；
Fig. 2 is a kind of second structural representation of adjustable angle embedded loudspeaker box of the present invention；
Fig. 3 is a kind of decomposition texture schematic diagram of adjustable angle embedded loudspeaker box of the present invention；
Fig. 4 is a kind of using state structure diagram of adjustable angle embedded loudspeaker box in embodiment；
Fig. 5 is the structural schematic diagram that the ceiling mounting base that soft suspension mechanism is adjusted is arranged in embodiment；
Fig. 6 is the decomposition texture schematic diagram of Fig. 5；
Fig. 7 is the use state reference chart of ceiling mounting base in Fig. 5；
Fig. 8 is the structural schematic diagram of non-return locking wire device in Fig. 5；
Fig. 9 is the internal structure schematic diagram of non-return locking wire device in Fig. 5；
Wherein：Speaker 1, first rotating shaft 11, arc surface 12, locating slot 121,122,13 speaker voice giving mouth of limit protrusion,
Front end face 14, rear end face 15, deflector hole 16, ceiling mounting base 2, lock 21, lock pin 211, shifting block 212, the second shaft 213, the
One compressed spring 22, perforation 23, accommodating groove 24, capping 25, hanging ring 26, buckle mechanism 3, adjusting bolt 31, baffle 32, button bar
33, soft suspension mechanism 4, tightrope 41, hard hook 411, non-return locking wire device 42, locking wire device sheet is adjusted in the second compressed spring 34
Body 421, conical cavity 4211, external screw thread 4212, unlock piece 422, the first compressed spring 423, ball 424, adjusting rope 425, spiral shell
Cap 426, ceiling preformed hole 5, hanging rod 6.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of adjustable angle embedded loudspeaker box, including a speaker 1 and a ceiling mounting base 2, ceiling installation
Seat 2 is the cyclic structure being sleeved on outside speaker 1, and ceiling mounting base 2 is equipped with the first connection for being fixedly connected with smallpox preformed hole
Mechanism.By ceiling mounting base 2 by 1 installation by adhering of speaker in smallpox preformed hole, realize speaker 1 installation by adhering.
As shown in Figs. 1-3, speaker 1 is arcuate structure, and the front end face in speaker 1 is arranged in the speaker voice giving mouth 13 of speaker 1
14, the side of speaker 1 is set there are one the first rotating shaft 11 protruded, and the opposite other side is using 11 center of first rotating shaft as the center of circle
Arc surface 12, is intervally distributed with several locating slots 121 on arc surface 12, and the side of ceiling mounting base 2 is with speaker 1 at first turn
It is hinged at axis 11, the other side is equipped with the retaining mechanism that can be locked with any locating slot 121, and retaining mechanism includes a lock
21 and one first compressed spring 22, lock 21 is hinged by the second shaft 213 with ceiling mounting base 2, and lock 21 is equipped with can
Carry out the lock pin 211 of grafting with any locating slot 121, one end apical grafting of the first compressed spring 22 is another at the back side of lock pin 211
Hold apical grafting in ceiling mounting base 2, lock 21 can be driven to rotate for the first compressed spring 22 so that lock pin 211 is inserted into locating slot
In 121；One is additionally provided on lock 21 can stir the shifting block 212 that lock 21 is rotated relative to ceiling mounting base 2, and shifting block 212 exposes
In the front of ceiling mounting base 2.
By the hinged cooperation between speaker 1 and ceiling mounting base 2, the locating slot 121 and ceiling of arc surface 12 on speaker 1
The lock pin 211 of retaining mechanism matches in mounting base 2, can realize the flexible modulation of 1 angle of speaker；Ceiling need not dismantled
In the case of mounting base 2, operating personnel by shifting block 212 stir lock 21 can enable lock pin 211 be detached from locating slot 121 by
Enough rotation speakers 1 adjust angle, are inserted into locating slot 121 even if unclamping 212 lock pin 211 of shifting block and realize speaker 1 and installed with ceiling
Locked and fixed between seat 2 can realize the flexible modulation of 13 orientation angle of speaker of voice box outlet sound mouth, and adjust extremely square
Just, and it is simple in structure, stablize it is durable, manufacture it is low with maintenance cost.
The connection jaws of the speaker 1 are located at the rear end face 15 of speaker, and the side of speaker is additionally provided with deflector hole 16, wherein wiring
Mouth omits in the accompanying drawings.
The rear end of arc surface 12 is equipped with for limiting its limit protrusion 122 passed through from ceiling mounting base 2, the loud speaker
The orientation angle adjustable range of outlet sound mouth 13 is 0-90 °, as shown in figure 4, when orientation angle is 0 °, front end face 14 and the suction of speaker
The front of top mounting base is generally aligned in the same plane, 14 outer diameter of front end face of the speaker be equal to the inner ring diameter of ceiling mounting base so that
The advantages of speaker and the inner ring of ceiling mounting base fit, the design is that the orientation angle of speaker of voice box outlet sound mouth adjusts model
The orientation angle of speaker voice giving mouth can arbitrarily be adjusted according to different service conditions greatly and obtain optimal sound equipment effect by enclosing
Fruit, and be not in due to the gap between 2 inner ring of speaker 1 and ceiling mounting base is too big and unsightly.
As shown in Fig. 3,7, the first bindiny mechanism includes four buckle mechanisms 3, and four buckle mechanisms 3 are in ceiling mounting base 2
The back side be oppositely arranged two-by-two, each buckle mechanism 3 include an adjusting bolt 31, a baffle 32 and a strip button bar 33, inhale
Top mounting base 2 is equipped with the perforation 23 for penetrating its front and back, and adjusting bolt 31 passes through the head of perforation 23 and adjusting bolt 31
Portion is exposed to the front of ceiling mounting base 2, and one end of button bar 33 is threadedly coupled with adjusting bolt 31, and rotation adjusting bolt 31 can
Button bar 33 is driven to follow rotation until button bar 33 touches baffle 32 and stops rotating, button can be driven by being rotated further adjusting bolt 31
Bar 33 is moved towards the back side of ceiling mounting base 2, to enable button bar 33 that ceiling mounting base 2 to be coordinated to clamp smallpox preformed hole
Edge.
When carrying out installation by adhering using buckle mechanism 3, the initial angle of button bar 33 keeps the external profile diameter of four button bars small
In the diameter of smallpox preformed hole, so as to which the back side of ceiling mounting base is buckled into smallpox preformed hole easily, then operator
Member's rotation adjusting bolt can drive button bar rotation until baffle position, the external profile diameter of four button bars is pre- less than smallpox at this time
The diameter boxed out is rotated further adjusting spiral shell to make smallpox preformed hole outer rim be sandwiched between four button bars and ceiling mounting base
Bolt can drive button bar towards the back side movement of ceiling mounting base until clamping smallpox preformed hole outer rim.It is real by buckle mechanism 3
Existing ceiling mounting base 2 reserves fixing to clamp for bore edges with smallpox, and operating personnel only need to rotate adjusting bolt 31 by tool and be
The fixation or release that ceiling mounting base 2 and ceiling can be achieved, hand need not be stretched into smallpox preformed hole operate, and be constructed
Safety, moreover, the load-bearing capacity of buckle mechanism 3 is strong, can realize the installation by adhering of heavier speaker.
As preferred embodiment, perforation 23 is through-hole, buckle mechanism 3 further include one be sleeved on outside adjusting bolt 31 the
One end of two compressed springs 34, the second compressed spring 34 is connected to the back side of ceiling mounting base 2, and the other end is connected to button bar 33
On, to make the head of adjusting bolt 31 be tightly attached to the front of ceiling mounting base 2 always；The design being capable of more convenient operator
Member's operation.
As preferred embodiment, as illustrated in figs. 5-7, it is additionally provided in the ceiling mounting base for connecting roof suspention
Second bindiny mechanism of supporting point, roof suspend supporting point in midair by taking the hanging rod 6 for being fixed on roof as an example, and the second bindiny mechanism is adjustable
Soft suspension mechanism 4, including a tightrope 41 and a non-return locking wire device 42 are saved, non-return locking wire device 42 is equipped with the mistake passed through for tightrope 41
Space of lines, for prevent tightrope 41 in crossing space of lines the non-return mechanism that inversely moves and for unclamping non-return mechanism so that
The unlock piece 422 that tightrope 41 can inversely move in crossing space of lines, non-return locking wire device 42 are fixed on the one of ceiling mounting base 2
One end of side, tightrope 41 passes through the space of lines of crossing of non-return locking wire device 42, the other end of tightrope 41 to be installed around hanging rod 6 and with ceiling
The other side of seat 2 is detachably connected.
Since high-power speaker is especially professional full-range cabinet generally all than heavier, sometimes by ceiling type mounting base
It is difficult to bear its weight, suspension installation can be realized by adjustable soft suspension mechanism, can effectively undertake the weight of speaker, by
Then soft suspension mode is used, so the suspention supporting point on roof and the necessary precise alignment of ceiling preformed hole are not required, even if
There is certain deviation, adjustable soft suspension mechanism also can effectively undertake the weight of speaker, nor influence ceiling mounting base and day
The installation by adhering of card preformed hole.
As preferred embodiment, as shown in figures 5-9, non-return locking wire device 42 includes a locking wire for being internally provided with cavity
Device ontology 421 and a unlock piece 422 are additionally provided with an adjusting rope 425 on unlock piece 422, by pulling adjusting rope 425 can
Unlock piece 422 is driven to move down, one end of unlock piece 422 is contained in the cavity of locking wire device ontology 421 and can be on wherein
The top of lower movement, cavity is up-small and down-big conical cavity 4211, and non-return mechanism includes a preload being arranged in cavity
The first compressed spring 423 and three balls 424, one end apical grafting of the first compressed spring 423 is on the bottom of cavity, other end top
It is connected on the bottom of ball 424, three balls 424 are close to the inner wall of conical cavity 4211 and are circumferentially uniformly distributed along inner wall, ball
424 top is connected on the bottom of unlock piece 422, and tightrope 41 passes through the enclosed space of three balls 424；Pull downward on tightrope
When 41, tightrope 41 drives ball 424 to be scrolled down through in cavity, and the enclosed space of ball 424 becomes larger and enables tightrope 41
Enough pull downward on；When pulling up tightrope 41, tightrope 41 drives ball 424 to scroll up in cavity, and the enclosing of ball 424 is empty
Between taper into and prevent tightrope 41 inversely mobile 41 clamping of tightrope；Unlock can be moved down by pulling downward on adjusting rope 425
Part 422 makes it push ball 424 that the active force of the first compressed spring 423 is overcome to move down to unclamp non-return mechanism in turn,
Tightrope 41 is set to pull up.
As preferred embodiment, unlock piece 422 is tubular structure, and the endoporus of tubular structure is passed through for tightrope 41, cylinder
The outer tube wall of shape structure and the cavity port cooperation of locking wire device ontology 421 are oriented to.
As preferred embodiment, as shown in figure 8,421 periphery of locking wire device ontology is equipped with external screw thread 4212, non-return locking wire
Device 42 further includes a nut 426 that can coordinate external screw thread 4212, and locking wire device ontology 432 passes through nut 426 and external screw thread
4212 cooperation is fixed in ceiling mounting base 2.
As preferred embodiment, as shown in fig. 6, the front of ceiling mounting base 2 is set, there are one accommodating groove 24, adjusting ropes
425 and be accommodated in accommodating groove 24 across the tightrope 41 of non-return locking wire device 42, the notch of accommodating groove 24 be additionally provided with one it is removable
The capping 25 unloaded.
As preferred embodiment, as illustrated in figs. 5-7, one end that tightrope 41 is detachably connected with mounting base 2 is set
There are one hard to link up with 411, and a hanging ring 26 is correspondingly provided in mounting base 2, is coordinated with hanging ring 26 by hard hook 411, real
Existing tightrope 41 is detachably connected with mounting base 2.
Presently preferred embodiments of the present invention is given in attached drawing.But the present invention can realize in many different forms,
It is not limited to this specification described embodiment.Make to disclosure of the invention on the contrary, purpose of providing these embodiments is
The understanding of content is more thorough and comprehensive.
Claims (10)
1. a kind of adjustable angle embedded loudspeaker box, which is characterized in that including a speaker and a ceiling mounting base, the speaker is arc
The front end face in speaker is arranged in shape structure, the speaker voice giving mouth of speaker, and the side of speaker is equipped with articulated section, the opposite other side
Using articulated section as the arc surface in the center of circle, to be intervally distributed with several location structures, the ceiling mounting base on the arc surface
To be sleeved on the cyclic structure outside speaker, the side of ceiling mounting base is hinged with speaker at the articulated section, and the other side is equipped with energy
Enough retaining mechanisms locked with any location structure, the speaker being capable of the relatively described ceiling when opening for retaining mechanism
So as to adjust the orientation angle of speaker voice giving mouth, the ceiling mounting base is equipped with for being fixedly connected for mounting base rotation
First bindiny mechanism of smallpox preformed hole.
2. adjustable angle embedded loudspeaker box according to claim 1, which is characterized in that the location structure is locating slot,
The retaining mechanism includes a lock and an elastic component, and lock and the ceiling mounting base are hinged, lock be equipped with can with appoint
One locating slot carries out the lock pin of grafting, and the lock can be driven to rotate for the elastic component so that lock pin is inserted into locating slot
In.
3. adjustable angle embedded loudspeaker box according to claim 2, which is characterized in that the elastic component is the first compression bullet
Spring, one end apical grafting of the first compressed spring is at the back side of the lock pin, and other end apical grafting is in the ceiling mounting base.
4. adjustable angle embedded loudspeaker box according to claim 2, which is characterized in that being additionally provided with one on the lock can
The shifting block that lock is rotated relative to the ceiling mounting base is stirred, the shifting block is exposed to the front of the ceiling mounting base.
5. adjustable angle embedded loudspeaker box according to claim 1, which is characterized in that the connection jaws of the speaker are located at sound
The side of the rear end face of case, speaker is additionally provided with deflector hole.
6. adjustable angle embedded loudspeaker box according to claim 1, which is characterized in that first bindiny mechanism includes extremely
Shao Liangge buckles mechanism, the buckle mechanism include an adjusting bolt, a baffle and a button bar, and the ceiling mounting base is equipped with
The perforation of its front and back is penetrated, the adjusting bolt passes through the head of the perforation and adjusting bolt to be exposed to ceiling installation
The front of seat, one end of button bar are threadedly coupled with adjusting bolt, and rotation adjusting bolt can drive the button bar to follow rotation straight
Baffle is touched to button bar and is stopped rotating, and being rotated further adjusting bolt can drive button bar to be moved towards the back side of ceiling mounting base
It is dynamic, to the edge for enabling button bar that ceiling mounting base to be coordinated to clamp smallpox preformed hole.
7. adjustable angle embedded loudspeaker box according to claim 6, which is characterized in that the perforation is through-hole, described embedding
Buckle mechanism further includes second compressed spring being sleeved on outside the adjusting bolt, and one end of the second compressed spring is connected to the suction
The back side of mounting base is pushed up, the other end is connected on the button bar, to make the head of adjusting bolt be tightly attached to the ceiling always
The front of mounting base.
8. adjustable angle embedded loudspeaker box according to claim 1, which is characterized in that the rear end of the speaker is equipped with and is used for
Limit its limit protrusion passed through from the inner ring of the ceiling mounting base, the orientation angle adjustable range of the speaker voice giving mouth
It it is 0-90 °, when orientation angle is 0 °, the front end face of speaker and the front of ceiling mounting base are generally aligned in the same plane, the speaker
Front end face outer diameter is equal to the inner ring diameter of ceiling mounting base so that speaker and the inner ring of ceiling mounting base fit.
9. according to any adjustable angle embedded loudspeaker boxes of claim 1-8, which is characterized in that in the ceiling mounting base
It is additionally provided with the second bindiny mechanism for suspending supporting point in midair for connecting roof, second bindiny mechanism is adjustable soft suspension machine
Structure, including a tightrope and a non-return locking wire device, non-return locking wire device is equipped with crosses space of lines, for preventing tightrope for what tightrope passed through
In crossing space of lines the non-return mechanism that inversely moves and for unclamp non-return mechanism so that tightrope can in crossing space of lines it is inverse
To mobile unlock piece, non-return locking wire device is fixed on the side of ceiling mounting base, and one end of tightrope passes through the mistake of non-return locking wire device
The other end of space of lines, tightrope passes through roof suspention supporting point and is detachably connected with the other side of ceiling mounting base.
10. adjustable angle embedded loudspeaker box according to claim 9, which is characterized in that the non-return locking wire device includes one
A locking wire device ontology for being internally provided with cavity and a unlock piece, one end of unlock piece are contained in the cavity of locking wire device ontology
It is interior and can move up and down wherein, an adjusting rope is additionally provided on unlock piece, the top of cavity is up-small and down-big conical cavity,
The non-return mechanism includes the first compressed spring and at least three balls for a preload being arranged in cavity, the first compression bullet
One end apical grafting of spring is close to conical cavity in the bottom of cavity, other end apical grafting in the bottom of ball, at least three balls
Inner wall and circumferentially distributed along inner wall, be connected on the bottom of unlock piece at the top of ball, the tightrope passes through at least three institutes
State the enclosed space of ball；When pulling downward on tightrope, tightrope drives the ball to be scrolled down through in cavity, and the enclosing of ball is empty
Between become larger and tightrope enable to pull downward on；When pulling up tightrope, tightrope drives ball to scroll up in cavity, rolls
The enclosed space of pearl tapers into and prevents tightrope from inversely moving tightrope clamping；Unlock piece can be driven by pulling downward on adjusting rope
It moves down and then pushes ball that the active force of the first compressed spring is overcome to move down to unclamp non-return mechanism, enable tightrope
Enough pull up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470584.7A CN108391189A (en) | 2018-05-11 | 2018-05-11 | A kind of adjustable angle embedded loudspeaker box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470584.7A CN108391189A (en) | 2018-05-11 | 2018-05-11 | A kind of adjustable angle embedded loudspeaker box |
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| CN108391189A true CN108391189A (en) | 2018-08-10 |
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| CN201810470584.7A Pending CN108391189A (en) | 2018-05-11 | 2018-05-11 | A kind of adjustable angle embedded loudspeaker box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812493A (en) * | 2024-02-29 | 2024-04-02 | 宁波富声达电机有限公司 | Ceiling loudspeaker box |
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| CN208402048U (en) * | 2018-05-11 | 2019-01-18 | 广州市夜太阳舞台灯光音响设备有限公司 | Adjustable angle embedded loudspeaker box |
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| CN117812493A (en) * | 2024-02-29 | 2024-04-02 | 宁波富声达电机有限公司 | Ceiling loudspeaker box |
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