CN108668195A - A kind of directive property horn - Google Patents
A kind of directive property horn Download PDFInfo
- Publication number
- CN108668195A CN108668195A CN201810456744.2A CN201810456744A CN108668195A CN 108668195 A CN108668195 A CN 108668195A CN 201810456744 A CN201810456744 A CN 201810456744A CN 108668195 A CN108668195 A CN 108668195A
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- horn
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- ontology
- rotating shaft
- directive property
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- 238000010586 diagram Methods 0.000 description 5
- 230000000644 propagated effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 241001503991 Consolida Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of directive property horns, including horn ontology, triangle circular cone is installed in the bottom interior wall of the horn ontology, the energy converter being located above triangle circular cone is equipped in horn ontology, the issuing of horn ontology sets that there are two support plates, it is welded with the same mounting base at the top of two support plates, mounting groove is offered at the top of mounting base, horn ontology is installed in mounting groove, two support plates side close to each other offers the first rotation hole, it is rotatablely equipped with the same first rotating shaft in two the first rotation holes, symmetrically arranged vertical core there are two being opened up in the bottom interior wall of mounting groove, riser is slidably fitted in vertical core, the bottom of riser extends to the lower section of first rotating shaft, two risers are located at the same side of first rotating shaft.Practicability of the present invention is high, and by triangle circular cone and energy converter, directive property is strong, and by riser and snap-gauge, convenient for being replaced to horn ontology.
Description
Technical field
The present invention relates to loud speaker sound amplifier technical field more particularly to a kind of directive property horns.
Background technology
Horn is a kind of musical instrument, and Authorization Notice No. is a kind of horn disclosed in CN206118020U, including cylinder and
It is respectively arranged on the horn mouth and aditus laryngis at the left and right both ends of cylinder, the cylinder includes two pieces of opposite narrow curved surface barrels and two pieces
Opposite wide type curved surface barrel, the horn mouth are equipped with panel, and the panel includes two opposite straight templates and two phases
To curved plate, straight template corresponds to the setting of narrow curved surface barrel, and curved plate corresponds to wide type curved surface barrel setting, set at the aditus laryngis
There are mounting base, the mounting base to be equipped with installation screw, can reach linear array partial function, but also cost performance has very greatly
Promotion, horn mouth size is sufficiently large, in working band its radiation impedance close to pure resistance, horizontal direction cone of coverage >=70 °,
Remote public address and output sound pressure level reaches 110dB, but its directive property is poor, because not specific according to longitudinal wave propagation characteristic
Analysis and design so that sound longitudinal wave is pushed out leave horn or bugle after, to multiple directions radiate, cause directive property bad,
And its majority is to be fixedly mounted, it has not been convenient to it is dismantled, once horn damages, is not easy to replace it, therefore I
Propose a kind of directive property horn for solving the above problems.
Invention content
Technical problems based on background technology, the present invention propose a kind of directive property horn.
A kind of directive property horn proposed by the present invention, including horn ontology are installed in the bottom interior wall of the horn ontology
There is a triangle circular cone, be equipped with the energy converter being located above triangle circular cone in horn ontology, the issuing of horn ontology sets that there are two supports
Plate is welded with the same mounting base at the top of two support plates, mounting groove is offered at the top of mounting base, horn ontology is installed on
In mounting groove, two support plates side close to each other offers the first rotation hole, is rotatablely installed in two the first rotation holes
There is the same first rotating shaft, opened up in the bottom interior wall of mounting groove there are two symmetrically arranged vertical core, is slidably fitted in vertical core
Riser, the bottom of riser extend to the lower section of first rotating shaft, and two risers are located at the same side of first rotating shaft, first rotating shaft it is outer
Side is equipped with gear, and riser is equipped with rack close to the side of first rotating shaft, and wheel and rack is meshed, the outside of first rotating shaft
Fixing sleeve is set there are two the first angular wheel, and two support plates are respectively positioned between two the first angular wheels, and mounting base is equipped with
Two symmetrically arranged placed cavities, offer the second rotation hole in the bottom interior wall of placed cavity, rotational installation in the second rotation hole
There are the second shaft, the bottom end of the second shaft to extend to the lower section of mounting base and be welded with the second angular wheel, the second angular wheel
It is meshed with the first angular wheel, rotation slot is offered in the top inner wall of placed cavity, the top of the second shaft extends to relatively
In the rotation slot answered, it is equipped with movable plate in placed cavity, threaded hole is offered at the top of movable plate, second turn be located in placed cavity
External screw thread is offered on the outside of axis, the external screw thread in the second shaft is threadedly coupled with threaded hole, and two movable plates are close to each other
Top side is hinged with one end of draw bar, and fixed column is welded on two placed cavities side inner wall close to each other, Gu
The outside sliding sleeve of fixed column is equipped with sliding panel, and the other end of draw bar is articulated with the bottom of corresponding sliding panel, two slidings
A plate side bottom close to each other is welded with transverse slat, is offered on two placed cavities side inner wall close to each other positioned at solid
Cross-drilled hole below fixed column, cross-drilled hole is interior to be equipped with snap-gauge, and two transverse slat sides close to each other extend respectively in corresponding cross-drilled hole
And be in contact with snap-gauge, two snap-gauge sides close to each other all extend in mounting groove and respectively with the both sides phase of horn ontology
Contact.
Preferably, locating slot, the top and bottom of snap-gauge are offered in the top inner wall and bottom interior wall of the cross-drilled hole
It is welded with positioning plate, the side that two on same vertical axis positioning plate is located remotely from each other extends respectively to corresponding
In locating slot, it is welded with spring on two locating slots on same level axis side inner wall close to each other, is located at
It is mutually welded with corresponding positioning plate respectively one end that two springs on same level axis are located remotely from each other.
Preferably, two movable plates are symmetrical arranged, and the side that is located remotely from each other of two movable plates respectively with two placed cavities
The side inner wall being located remotely from each other is slidably connected.
Preferably, the vertex of the triangle circular cone is 90 degree.
Preferably, the angle of the bottom interior wall of the side wall and horn ontology of the horn ontology is 135 degree.
Preferably, two risers are symmetrical arranged, and the top of riser is not contacted with the bottom of horn ontology.
Preferably, the top of the sliding panel and the top inner wall of placed cavity are slidably connected.
Preferably, sliding block is installed, the inner wall of rotation slot is equipped with annular on the outside of the second shaft in rotation slot
Sliding rail, and sliding block is slidably connected with endless glide.
Compared with prior art, the beneficial effects of the invention are as follows：
(1), it is matched by horn ontology, triangle circular cone and energy converter, the sound that energy converter is sent out is anti-through triangle circular cone
After penetrating, the parallel bottom interior wall with horn ontology is propagated, and is 103 using the bottom interior wall angle with horn ontology
After this body sidewall reflection of 15 degree of horn, the acoustic irradiation formed perpendicular to the bottom interior wall of horn ontology is gone out, directive property
By force；
(2), pass through support plate, mounting base, the first rotation hole, first rotating shaft, vertical core, riser, gear, rack, the first cone
Shape gear, the second rotation hole, the second shaft, the second angular wheel, movable plate, threaded hole, draw bar, fixed column, sliding panel, cross
Plate, snap-gauge, locating slot, positioning plate and spring match, when the damage of horn ontology needs replacing, rotation first rotating shaft, and first
Shaft drive the first angular wheel rotated, the gear in first rotating shaft is meshed with the rack on riser, drive riser into
Row movement, the first angular wheel drive the second angular wheel to be rotated, and the second angular wheel drives the second shaft to be rotated,
External screw thread in second shaft is threadedly coupled with threaded hole, and movable plate is driven to be moved, and movable plate drives draw bar to be turned
Dynamic, draw bar drives sliding panel to be moved, and sliding panel band motion plate is moved so that transverse slat is separated with snap-gauge, spring
Since the elastic force of itself drives locating piece to be moved, locating piece drives snap-gauge to be moved so that snap-gauge and horn ontology phase
Separation releases the fixation to horn ontology, and riser is in contact with horn ontology just at this time, is rotated further first rotating shaft, is convenient for
Horn ontology is replaced.
Practicability of the present invention is high, and by triangle circular cone and energy converter, directive property is strong, and by riser and snap-gauge, is convenient for
Horn ontology is replaced.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of directive property horn proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of the part A of directive property horn proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of the part B of directive property horn proposed by the present invention；
Fig. 4 is a kind of structural schematic diagram of the C portion of directive property horn proposed by the present invention；
Fig. 5 is the connection of the rack on gear and riser in a kind of first rotating shaft of directive property horn proposed by the present invention
Structural schematic diagram.
In figure：1 horn ontology, 2 support plates, 3 mounting bases, 4 mounting grooves, 5 first rotation holes, 6 first rotating shafts, 7 vertical cores, 8
Riser, 9 gears, 10 racks, 11 first angular wheels, 12 second rotation holes, 13 second shafts, 14 second angular wheels, 15 are put
Set chamber, 16 rotation slots, 17 movable plates, 18 threaded holes, 19 draw bars, 20 fixed columns, 21 sliding panels, 22 transverse slats, 23 cross-drilled holes, 24 cards
Plate, 25 locating slots, 26 positioning plates, 27 springs, 28 triangle circular cones, 29 energy converters.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
Embodiment
Referring to Fig.1-5, a kind of directive property horn, including horn ontology 1, the bottom of horn ontology 1 are proposed in the present embodiment
Triangle circular cone 28 is installed on portion's inner wall, the energy converter 29 for being located at 28 top of triangle circular cone, horn ontology are equipped in horn ontology 1
1 issue is set there are two support plate 2, and the top of two support plates 2 is welded with the same mounting base 3, and the top of mounting base 3 opens up
There are mounting groove 4, horn ontology 1 to be installed in mounting groove 4, two support plates 2 side close to each other offers the first rotation
Hole 5 is rotatablely equipped with the same first rotating shaft 6 in two the first rotation holes 5, opened up in the bottom interior wall of mounting groove 4 there are two
Symmetrically arranged vertical core 7, is slidably fitted with riser 8 in vertical core 7, and the bottom of riser 8 extends to the lower section of first rotating shaft 6, two
Riser 8 is located at the same side of first rotating shaft 6, and the outside of first rotating shaft 6 is equipped with gear 9, riser 8 close to first rotating shaft 6 one
Side is equipped with rack 10, and gear 9 is meshed with rack 10, and the outside fixing sleeve of first rotating shaft 6 sets that there are two the first angular wheels
11, two support plates 2 are respectively positioned between two the first angular wheels 11, are set in mounting base 3 there are two symmetrically arranged placed cavity
15, the second rotation hole 12 is offered in the bottom interior wall of placed cavity 15, and the second shaft 13 is rotatablely equipped in the second rotation hole 12,
The bottom end of second shaft 13 extends to the lower section of mounting base 3 and is welded with the second angular wheel 14, the second angular wheel 14 and
One angular wheel 11 is meshed, and rotation slot 16 is offered in the top inner wall of placed cavity 15, and the top of the second shaft 13 extends to
In corresponding rotation slot 16, movable plate 17 is equipped in placed cavity 15, the top of movable plate 17 offers threaded hole 18, positioned at putting
The outside for setting the second shaft 13 in chamber 15 offers external screw thread, and the external screw thread in the second shaft 13 connects with 18 screw thread of threaded hole
It connects, two movable plates 17 top side close to each other is hinged with one end of draw bar 19, and two placed cavities 15 are close to each other
Side inner wall on be welded with fixed column 20, the outside sliding sleeve of fixed column 20 is equipped with sliding panel 21, draw bar 19 it is another
End is articulated with the bottom of corresponding sliding panel 21, and two sliding panels 21 side bottom close to each other is welded with transverse slat 22,
The cross-drilled hole 23 positioned at 20 lower section of fixed column is offered on two placed cavities 15 side inner wall close to each other, is equipped in cross-drilled hole 23
Snap-gauge 24, two sides close to each other of transverse slat 22 extend respectively to be in contact in corresponding cross-drilled hole 23 and with snap-gauge 24, and two
The side close to each other of a snap-gauge 24 all extends in mounting groove 4 and is in contact respectively with the both sides of horn ontology 1, passes through horn
Ontology 1, triangle circular cone 28 and energy converter 29 match, the sound that energy converter 29 is sent out through triangle circular cone 28 reflection after, it is parallel with
The bottom interior wall of horn ontology 1 is propagated, number for being 135 degree using the bottom interior wall angle with horn ontology 1
After cylinder 1 side wall of ontology reflection, the acoustic irradiation formed perpendicular to the bottom interior wall of horn ontology 1 is gone out, and directive property is strong；Pass through branch
Fagging 2, mounting base 3, the first rotation hole 5, first rotating shaft 6, vertical core 7, riser 8, gear 9, rack 10, the first angular wheel 11,
Second rotation hole 12, the second angular wheel 14, movable plate 17, threaded hole 18, draw bar 19, fixed column 20, is slided second shaft 13
Movable plate 21, transverse slat 22, snap-gauge 24, locating slot 25, positioning plate 26 and spring 27 match, when the damage of horn ontology 1 needs replacing
When, first rotating shaft 6 is rotated, first rotating shaft 6 drives the first angular wheel 11 to be rotated, the gear 9 in first rotating shaft 6 and riser
Rack 10 on 8 is meshed, and riser 8 is driven to be moved, and the first angular wheel 11 drives the second angular wheel 14 to be rotated,
Second angular wheel 14 drives the second shaft 13 to be rotated, and the external screw thread in the second shaft 13 is threadedly coupled with threaded hole 18,
Movable plate 17 is driven to be moved, movable plate 17 drives draw bar 19 to be rotated, and draw bar 19 drives sliding panel 21 to be moved
Dynamic, sliding panel 21 is moved with motion plate 22 so that transverse slat 22 is separated with snap-gauge 24, elastic band of the spring 27 due to itself
Dynamic locating piece 26 is moved, and locating piece 26 drives snap-gauge 24 to be moved so that snap-gauge 24 is separated with horn ontology 1, solution
Except the fixation to horn ontology 1, riser 8 is in contact with horn ontology 1 just at this time, is rotated further first rotating shaft 6, convenient for checking the number
Cylinder ontology 1 is replaced, and practicability of the present invention is high, and by triangle circular cone 28 and energy converter 29, directive property is strong, and passes through riser
8 and snap-gauge 24, convenient for being replaced to horn ontology 1.
In the present embodiment, locating slot 25, the top of snap-gauge 24 are offered in the top inner wall and bottom interior wall of cross-drilled hole 23
Positioning plate 26 is welded with bottom, the side that two on same vertical axis positioning plate 26 is located remotely from each other each extends over
To in corresponding locating slot 25, welded on two locating slots 25 on same level axis side inner wall close to each other
Be connected to spring 27, one end that two on same level axis spring 27 is located remotely from each other respectively with corresponding positioning plate 26
Mutually weld, two movable plates 17 are symmetrical arranged, and the side that is located remotely from each other of two movable plates 17 respectively with two 15 phases of placed cavity
Mutually separate side inner wall is slidably connected, and the vertex of triangle circular cone 28 is 90 degree, side wall and the horn ontology 1 of horn ontology 1
The angle of bottom interior wall be 135 degree, two risers 8 are symmetrical arranged, and the bottom at the top of riser 8 and horn ontology 1
Portion does not contact, and the top of sliding panel 21 and the top inner wall of placed cavity 15 are slidably connected, the second shaft being located in rotation slot 16
13 outside is equipped with sliding block, and the inner wall of rotation slot 16 is equipped with endless glide, and sliding block is slidably connected with endless glide, passes through
Horn ontology 1, triangle circular cone 28 and energy converter 29 match, and the sound that energy converter 29 is sent out is put down after the reflection of triangle circular cone 28
The bottom interior wall of row and horn ontology 1 is propagated, and is 135 degree using the bottom interior wall angle with horn ontology 1
The reflection of 1 side wall of horn ontology after, formed and gone out perpendicular to the acoustic irradiation of the bottom interior wall of horn ontology 1, directive property is strong；It is logical
Cross support plate 2, mounting base 3, the first rotation hole 5, first rotating shaft 6, vertical core 7, riser 8, gear 9, rack 10, the first angular wheel
11, the second rotation hole 12, the second shaft 13, the second angular wheel 14, movable plate 17, threaded hole 18, draw bar 19, fixed column
20, sliding panel 21, transverse slat 22, snap-gauge 24, locating slot 25, positioning plate 26 and spring 27 match, and are needed when horn ontology 1 damages
When replacement, rotate first rotating shaft 6, first rotating shaft 6 drive the first angular wheel 11 rotated, the gear 9 in first rotating shaft 6 with
Rack 10 on riser 8 is meshed, and riser 8 is driven to be moved, and the first angular wheel 11 drives the second angular wheel 14 to carry out
Rotation, the second angular wheel 14 drive the second shaft 13 to be rotated, the external screw thread in the second shaft 13 and 18 screw thread of threaded hole
Connection, drive movable plate 17 moved, movable plate 17 drive draw bar 19 rotated, draw bar 19 drive sliding panel 21 into
Row movement, sliding panel 21 are moved with motion plate 22 so that transverse slat 22 is separated with snap-gauge 24, bullet of the spring 27 due to itself
Power drives locating piece 26 to be moved, and locating piece 26 drives snap-gauge 24 to be moved so that snap-gauge 24 and 1 phase of horn ontology point
From releasing fixation to horn ontology 1, riser 8 is in contact with horn ontology 1 just at this time, is rotated further first rotating shaft 6, just
It is replaced in horn ontology 1, practicability of the present invention is high, and by triangle circular cone 28 and energy converter 29, directive property is strong, and leads to
Riser 8 and snap-gauge 24 are crossed, convenient for being replaced to horn ontology 1.
It is parallel with horn ontology in use, the sound that sends out of energy converter 29 is after the reflection of triangle circular cone 28 in the present embodiment
1 bottom interior wall is propagated, and 1 side wall of horn ontology for being 135 ° using the bottom interior wall angle with horn ontology 1 reflects
Afterwards, the acoustic irradiation formed perpendicular to the bottom interior wall of horn ontology 1 is gone out, and directive property is strong, when the damage of horn ontology 1 needs more
When changing, rotate first rotating shaft 6, first rotating shaft 6 drives the first angular wheel 11 to be rotated, the gear 9 in first rotating shaft 6 with it is perpendicular
Rack 10 on plate 8 is meshed, and riser 8 is driven to be moved so that riser 8 is slided on the inner wall of vertical core 7, the first cone
Shape gear 11 drives the second angular wheel 14 to be rotated, and the second angular wheel 14 drives the second shaft 13 to be rotated, and second
External screw thread in shaft 13 is threadedly coupled with threaded hole 18, drives movable plate 17 to be moved so that movable plate 17 is in placed cavity
It being slided on 15 inner wall, movable plate 17 drives draw bar 19 to be rotated, and draw bar 19 drives sliding panel 21 to be moved,
So that sliding panel 21 is slided on the inner wall of placed cavity 15, sliding panel 21 is moved with motion plate 22 so that transverse slat 22
With snap-gauge 24 be separated, spring 27 due to itself elastic force drive locating piece 26 moved, locating piece 26 drive snap-gauge 24 into
Row movement so that snap-gauge 24 and horn ontology 1 are separated, and release the fixation to horn ontology 1, and riser 8 is just and horn at this time
Ontology 1 is in contact, and is rotated further first rotating shaft 6, convenient for being replaced to horn ontology 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of directive property horn, including horn ontology (1), which is characterized in that pacify in the bottom interior wall of the horn ontology (1)
Equipped with triangle circular cone (28), the energy converter (29) being located above triangle circular cone (28), horn ontology are equipped in horn ontology (1)
(1) issue sets there are two support plate (2), and the same mounting base (3), mounting base (3) are welded at the top of two support plates (2)
Top offer mounting groove (4), horn ontology (1) is installed in mounting groove (4), two support plates (2) it is close to each other one
Side offers the first rotation hole (5), and the same first rotating shaft (6), mounting groove are rotatablely equipped in two the first rotation holes (5)
(4) it is opened up in bottom interior wall there are two symmetrically arranged vertical core (7), vertical core (7) is interior to be slidably fitted with riser (8), riser (8)
Bottom extend to the lower sections of first rotating shaft (6), two risers (8) are located at the same side of first rotating shaft (6), first rotating shaft (6)
Outside gear (9) is installed, riser (8) is equipped with rack (10), gear (9) and rack close to the side of first rotating shaft (6)
(10) it is meshed, the outside fixing sleeve of first rotating shaft (6) sets that there are two the first angular wheel (11), two equal positions of support plate (2)
Between two the first angular wheels (11), set in mounting base (3) there are two symmetrically arranged placed cavity (15), placed cavity (15)
Bottom interior wall on offer the second rotation hole (12), be rotatablely equipped with the second shaft (13) in the second rotation hole (12), second
The bottom end of shaft (13) extends to the lower section of mounting base (3) and is welded with the second angular wheel (14), the second angular wheel (14)
It is meshed with the first angular wheel (11), rotation slot (16), the second shaft (13) is offered in the top inner wall of placed cavity (15)
Top extend in corresponding rotation slot (16), movable plate (17), the top of movable plate (17) are equipped in placed cavity (15)
Threaded hole (18) is offered, is located on the outside of the second shaft (13) in placed cavity (15) and offers external screw thread, the second shaft
(13) external screw thread on is threadedly coupled with threaded hole (18), and two movable plate (17) top sides close to each other are hinged with and lead
Draw one end of bar (19), fixed column (20), fixed column are welded on two placed cavities (15) side inner wall close to each other
(20) outside sliding sleeve is equipped with sliding panel (21), and the other end of draw bar (19) is articulated with the bottom of corresponding sliding panel (21)
Portion, two sliding panel (21) side bottoms close to each other are welded with transverse slat (22), and two placed cavities (15) are close to each other
The cross-drilled hole (23) below fixed column (20) is offered on the inner wall of side, and snap-gauge (24), two cross are equipped in cross-drilled hole (23)
Plate (22) side close to each other extends respectively to be in contact in corresponding cross-drilled hole (23) and with snap-gauge (24), two snap-gauges
(24) side close to each other all extends in mounting groove (4) and is in contact respectively with the both sides of horn ontology (1).
2. a kind of directive property horn according to claim 1, which is characterized in that the top inner wall of the cross-drilled hole (23) and bottom
Locating slot (25) is offered on portion's inner wall, the top and bottom of snap-gauge (24) are welded with positioning plate (26), are located at same perpendicular
The side that two positioning plates (26) in straight axis are located remotely from each other extends respectively in corresponding locating slot (25), is located at same
It is welded with spring (27) on two locating slots (25) on horizontal axis side inner wall close to each other, is located at same level axis
It is mutually welded with corresponding positioning plate (26) respectively one end that two springs (27) on line are located remotely from each other.
3. a kind of directive property horn according to claim 1, which is characterized in that two movable plates (17) are symmetrical arranged, and
The side inner wall that the side that two movable plates (17) are located remotely from each other is located remotely from each other with two placed cavities (15) respectively is slidably connected.
4. a kind of directive property horn according to claim 1, which is characterized in that the vertex of the triangle circular cone (28) is nine
Ten degree.
5. a kind of directive property horn according to claim 1, which is characterized in that the side wall of the horn ontology (1) with number
The angle of the bottom interior wall of cylinder ontology (1) is 135 degree.
6. a kind of directive property horn according to claim 1, which is characterized in that two risers (8) are symmetrical arranged, and riser
(8) top is not contacted with the bottom of horn ontology (1).
7. a kind of directive property horn according to claim 1, which is characterized in that the top of the sliding panel (21) and placement
The top inner wall of chamber (15) is slidably connected.
8. a kind of directive property horn according to claim 1, which is characterized in that the second shaft being located in rotation slot (16)
(13) sliding block is installed, the inner wall of rotation slot (16) is equipped with endless glide, and sliding block is slidably connected with endless glide on the outside of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456744.2A CN108668195B (en) | 2018-05-14 | 2018-05-14 | Directive horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456744.2A CN108668195B (en) | 2018-05-14 | 2018-05-14 | Directive horn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108668195A true CN108668195A (en) | 2018-10-16 |
| CN108668195B CN108668195B (en) | 2020-01-10 |
Family
ID=63779372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456744.2A Active CN108668195B (en) | 2018-05-14 | 2018-05-14 | Directive horn |
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| Country | Link |
|---|---|
| CN (1) | CN108668195B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990182A (en) * | 2019-05-10 | 2019-07-09 | 马鞍山职业技术学院 | A kind of computer-assisted instruction device |
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| US3912866A (en) * | 1974-01-30 | 1975-10-14 | Showsound Inc | Folded bass horn speaker |
| CN1044376A (en) * | 1988-11-30 | 1990-08-01 | 费宗浩 | Speaker unit |
| CN1235688A (en) * | 1996-08-30 | 1999-11-17 | 梅迪亚菲利影音技术公司 | Cone reflector/coupler speaker system and method |
| CN2316789Y (en) * | 1997-12-02 | 1999-04-28 | 上海广电设计开发有限公司 | Conical sound wave reflecting body leadspeaker box |
| CN2521861Y (en) * | 2001-10-18 | 2002-11-20 | 陈坚胜 | Bugle loudspeaker |
| CN101557546A (en) * | 2009-04-07 | 2009-10-14 | 广州市锐丰建业灯光音响器材有限公司 | Acoustically transparent waveguide horn |
| CN206118020U (en) * | 2016-06-29 | 2017-04-19 | 广州市嘉声音响设备有限公司 | Horn |
| CN206196025U (en) * | 2016-12-01 | 2017-05-24 | 石家庄尔通声纹科技有限公司 | Directive property audio amplifier of connecting high in clouds |
| CN107606411A (en) * | 2017-10-25 | 2018-01-19 | 梁溪区昊星工业设计工作室 | A kind of adjustable phototube stent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990182A (en) * | 2019-05-10 | 2019-07-09 | 马鞍山职业技术学院 | A kind of computer-assisted instruction device |
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