CN208850046U - A kind of runway type voice coil of improvement - Google Patents
A kind of runway type voice coil of improvement Download PDFInfo
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- CN208850046U CN208850046U CN201821823995.1U CN201821823995U CN208850046U CN 208850046 U CN208850046 U CN 208850046U CN 201821823995 U CN201821823995 U CN 201821823995U CN 208850046 U CN208850046 U CN 208850046U
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- type voice
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- shaped cavity
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Abstract
The utility model discloses a kind of runway type voice coils of improvement, including speech coil framework and mounting base, the speech coil framework is racetrack setting, the two sides of speech coil framework are equipped with bright and beautiful silk thread, speech coil framework is equipped with multi-turn and is located at the enameled wire below bright and beautiful silk thread, U-shaped cavity is offered in the mounting base, mounting base top side offers mounting groove, the bottom side of speech coil framework extends in mounting groove, threaded hole is offered on the bottom side inner wall of U-shaped cavity, threaded post is installed in threaded hole, the both ends of threaded post all extend to outside threaded hole, the top of threaded post offers shifting chute, rotation axis is movably installed in shifting chute.The utility model structure is simple, the design of runway type voice coil not only solves the problem inadequate because of driving force, keep product volume bigger, and its vibration is steady, the distortion factor is lower, and with more the sense of reality of music, and runway type voice coil is completely embedded by inner splint and external splint with mounting base, it is easy to use, meet use demand.
Description
Technical field
The utility model relates to voice coil technical field more particularly to a kind of runway type voice coils of improvement.
Background technique
Our voice coil shape is circular under normal circumstances, and when we develop sleeve configuration loudspeaker, voice coil diameter is restricted
In the size of loudspeaker broadside, due to loudspeaker vibration when driving force F=B L I(F: driving force, B: magnetic field strength, L: by magnetic field
Coil length in cladding, I: the electric current in coil), when designing long and narrow loudspeaker, the ratio loudspeaker that voice coil diameter can only design are narrow
Bian Geng little, comparatively voice coil perimeter is also just small, therefore magnetic field length of coil L is equally small, causes driving force F small, to make
The about sound size of loudspeaker.
The patent of Publication No. CN207603903U discloses a kind of runway type voice coil with Fast Installation function, including
Inner splint, external splint, nut, guide rod, magnetic patch, bolt, sleeve and strut, the design have reached installation voice coil quickly, just
Prompt and firm purpose, magnetic patch are fixed on strut upper end, and bolt is assemblied in guide pad, and sleeve is fixed on the base end face,
Strut is mounted in sleeve, and the design achieves the effect that changeable voice coil as needed generates magnetic force range, the utility model
It is easy to use, convenient for operation, stability is good, high reliablity, but the mounting device of the voice coil need to operate separately interior fixture with
Outer fixture, it is inconvenient, therefore cannot satisfy the use demand.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of runway of the improvement proposed
Type voice coil.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of runway type voice coil of improvement, including speech coil framework and mounting base, the speech coil framework are racetrack setting, sound
The two sides of ring framework are equipped with bright and beautiful silk thread, and speech coil framework is equipped with multi-turn and is located at the enameled wire below bright and beautiful silk thread, the mounting base
On offer U-shaped cavity, mounting base top side offers mounting groove, and the bottom side of speech coil framework extends in mounting groove, the bottom side of U-shaped cavity
Threaded hole is offered on inner wall, threaded post is installed in threaded hole, and the both ends of threaded post all extend to outside threaded hole, threaded post
Top offers shifting chute, and rotation axis is movably installed in shifting chute, and the top of rotation axis extends to outside shifting chute, U-shaped cavity
Rotation hole is offered on the inner wall of top side, the top of rotation axis through rotation hole and is fixedly installed with elliptic wheel, fixed in rotation axis
It is socketed with the rotating disc being located in U-shaped cavity, there are two pin shaft, two equal pivot bush units in pin shaft top side for the fixed installation of rotating disc top side
There is rotating bar, moving hole is offered on the two sides inner wall of the mounting groove, and two moving hole are connected with U-shaped cavity, moves
It is movably installed with mobile bar in dynamic hole, two mobile bars one end close to each other is fixedly installed with the outer clip in mounting groove
Plate, two external splints side close to each other are in contact with the two sides of speech coil framework respectively, two mobile bars be located remotely from each other one
End is rotatably equipped with the connecting rod in U-shaped cavity, and the bottom end of two connecting rods is rotatably equipped with push-pull rod, two push-and-pulls
The bottom end of bar is fixedly installed with pushing block, is fixedly mounted on the bottom side inner wall of the U-shaped cavity there are two corner block, two push
The bottom side of block is in contact with the top side of two corner blocks respectively.
Preferably, two push plates are movably installed on the bottom side inner wall of the mounting groove, and two push plates are based on rotation axis
It is symmetrical arranged, the side that two push plates are located remotely from each other is fixedly installed with inner splint, the side that two inner splints are located remotely from each other point
The side close to each other with speech coil framework is not in contact, and two push plates side close to each other connects with the two sides of elliptic wheel respectively
Touching.
Preferably, limiting slot there are two opening up on the bottom side inner wall of the mounting groove, the bottom side of two push plates is slided respectively
It is mounted in two limiting slots, two push plate sides close to each other are fixedly installed with the same spring in mounting groove.
Preferably, sliding slot is offered on the two sides inner wall of the shifting chute, is slidably fitted in two sliding slots same
The bottom end of movable block, rotation axis is fixedly mounted on the top side of movable block.
Preferably, the side that two push plates are located remotely from each other is equipped with racetrack and is provided with the positioning on the inner wall of mounting groove bottom side
The bottom side of slot, speech coil framework extends in locating slot.
Preferably, the top side of two rotating bars offers push-and-pull hole, and the bottom end of two push-pull rods extends through two and pushes away
Pulling eye.
Compared with prior art, the utility model has the beneficial effects that
It in the utility model, by speech coil framework, bright and beautiful silk thread, enameled wire, is used cooperatively, in the circular voice coils of script
On the basis of shape is designed to racetrack, in the case of loudspeaker equivalent width, the bigger coil of perimeter is can be used in runway type voice coil,
Loudspeaker are made to generate bigger driving force, loudspeaker sound press is improved, while long and narrow loudspeaker, and voice coil length increases, loudspeaker vibration
It is more steady, by mounting base, U-shaped cavity, mounting groove, threaded hole, threaded post, shifting chute, movable block, rotation axis, rotation hole, ellipse
Circle wheel, push plate, inner splint, locating slot, rotating disc, pin shaft, rotating bar, corner block, pushing block, moving hole, mobile bar, outer clip
Plate, push-pull rod, pushes and pulls being used cooperatively for hole at connecting rod, and runway type voice coil is connect tightly by inner splint and external splint with mounting base
It is close, and can easily remove；
The utility model structure is simple, and the design of runway type voice coil not only solves the problem inadequate because of driving force, makes to produce
Product volume is bigger, and its vibration is steady, and the distortion factor is lower, and with more the sense of reality of music, and runway type voice coil passes through inner clip
Plate and external splint are completely embedded with mounting base, easy to use, meet use demand.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of improvement runway type voice coil overlooking structure diagram；
Fig. 2 be the utility model proposes a kind of improvement runway type voice coil positive structure diagram；
Fig. 3 be the utility model proposes a kind of improvement runway type voice coil installation after schematic cross-sectional view；
Fig. 4 be the utility model proposes a kind of improvement runway type voice coil Fig. 3 in part A structural schematic diagram.
In figure: 1 speech coil framework, 2 bright and beautiful silk threads, 3 enameled wires, 4 mounting bases, 5U type chamber, 6 mounting grooves, 7 threaded holes, 8 screw threads
Column, 9 shifting chutes, 10 movable blocks, 11 rotation axis, 12 rotation holes, 13 elliptic wheels, 14 push plates, 15 inner splints, 16 locating slots, 17 turns
Moving plate, 18 pin shafts, 19 rotating bars, 20 corner blocks, 21 pushing blocks, 22 moving hole, 23 mobile bars, 24 external splints, 25 connecting rods, 26
Push-pull rod, 27 push-and-pull holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of runway type voice coil of improvement, including speech coil framework 1 and mounting base 4, speech coil framework 1 are runway
Type setting, the two sides of speech coil framework 1 are equipped with bright and beautiful silk thread 2, and speech coil framework 1 is equipped with the enamel-cover that multi-turn is located at 2 lower section of bright and beautiful silk thread
Line 3 offers U-shaped cavity 5 in mounting base 4, and 4 top side of mounting base offers mounting groove 6, and the bottom side of speech coil framework 1 extends to installation
In slot 6, threaded hole 7 is offered on the bottom side inner wall of U-shaped cavity 5, threaded post 8 is installed in threaded hole 7, and the both ends of threaded post 8 are equal
It extends to outside threaded hole 7, the top of threaded post 8 offers shifting chute 9, and rotation axis 11, rotation axis are movably installed in shifting chute 9
11 top extends to outside shifting chute 9, and rotation hole 12 is offered on the top side inner wall of U-shaped cavity 5, and the top of rotation axis 11, which is run through, to be turned
Dynamic hole 12 is simultaneously fixedly installed with elliptic wheel 13, and fixing sleeve is connected to the rotating disc 17 in U-shaped cavity 5, rotating disc in rotation axis 11
17 top sides are fixedly mounted there are two pin shaft 18, and two equal movable sleeves in 18 top side of pin shaft are connected to rotating bar 19, in the two sides of mounting groove 6
Moving hole 22 is offered on wall, and two moving hole 22 are connected with U-shaped cavity 5, are movably installed with movement in moving hole 22
Bar 23, two mobile bars 23 one end close to each other are fixedly installed with the external splint 24 in mounting groove 6, two external splints
24 sides close to each other are in contact with the two sides of speech coil framework 1 respectively, and one end that two mobile bars 23 are located remotely from each other rotates
The connecting rod 25 being located in U-shaped cavity 5 is installed, the bottom end of two connecting rods 25 is rotatably equipped with push-pull rod 26, two push-and-pulls
The bottom end of bar 26 is fixedly installed with pushing block 21, corner block 20 there are two fixed installations on the bottom side inner wall of U-shaped cavity 5, and two
The bottom side of pushing block 21 is in contact with the top side of two corner blocks 20 respectively, and speech coil framework 1 is in racetrack, in loudspeaker equivalent width
In the case of, the bigger coil of perimeter can be used in runway type voice coil, and loudspeaker is made to generate bigger driving force, and loudspeaker sound press is mentioned
Height, while long and narrow loudspeaker, voice coil length increase, and loudspeaker vibration is more steady, when needing to fix the runway type voice coil, by sound
The bottom side of ring framework 1 is put into the racetrack locating slot 16 on 6 bottom side inner wall of mounting groove, in rotation threaded post 8,8 band of threaded post
Turn moving axis 11 rotates, and rotation axis 11 drives elliptic wheel 13 to rotate, and two push plates 14, spring are pushed in the two sides of elliptic wheel 13 respectively
It is stretched, so that two push plates 14 are located remotely from each other, so that two inner splints 15 are located remotely from each other and squeeze the interior of speech coil framework 1
Wall.
Two push plates 14 are movably installed on the bottom side inner wall of mounting groove 6, and two push plates 14 are based on rotation axis 11 symmetrically
Setting, the side that two push plates 14 are located remotely from each other is fixedly installed with inner splint 15, the side that two inner splints 15 are located remotely from each other
The side close to each other with speech coil framework 1 is in contact respectively, two push plates 14 side close to each other respectively with elliptic wheel 13
Two sides are in contact, and are opened up on the bottom side inner wall of mounting groove 6 there are two limiting slot, the bottom side of two push plates 14 is slidably mounted on respectively
In two limiting slots, two sides close to each other of push plate 14 are fixedly installed with the same spring in mounting groove 6, mobile
Sliding slot is offered on the two sides inner wall of slot 9, and the same movable block 10, the bottom end of rotation axis 11 are slidably fitted in two sliding slots
It is fixedly mounted on the top side of movable block 10, the side that two push plates 14 are located remotely from each other is equipped with racetrack and is provided with 6 bottom of mounting groove
Locating slot 16 on the inner wall of side, the bottom side of speech coil framework 1 extend in locating slot 16, and the top side of two rotating bars 19 offers
Hole 27 is pushed and pulled, the bottom end of two push-pull rods 26 extends through two push-and-pull holes 27, and rotation axis 11 drives rotating disc 17 to rotate, rotation
Disk 17 drives two rotating bars 19 to rotate by two pin shafts 18, and two rotating bars 19 pull two push-pull rods 26, and push-pull rod
The pushing block 21 of 26 bottom sides moves on corner block 20, moves up so that push-pull rod 26 is not only close to each other but also simultaneously, two
Person can be transferred through connecting rod 25 and push two mobile bars 23 close to each other, so that two external splints 24 are close to each other and squeeze
The two sides of speech coil framework 1 speech coil framework 1 of racetrack is said by being used cooperatively for two external splints 24 and two inner splints 15
It is fixed in mounting base 4, it is easy to use.
Working principle: speech coil framework 1 is in racetrack, and in loudspeaker equivalent width, week is can be used in runway type voice coil
Long bigger coil, makes loudspeaker generate bigger driving force, loudspeaker sound press is improved, while long and narrow loudspeaker, voice coil length
Increase, loudspeaker vibration is more steady, and when needing to fix the runway type voice coil, the bottom side of speech coil framework 1 is put into 6 bottom of mounting groove
In racetrack locating slot 16 on the inner wall of side, in rotation threaded post 8, threaded post 8 drives rotation axis 11 to rotate, and rotation axis 11 drives
Elliptic wheel 13 rotates, and two push plates 14 are pushed in the two sides of elliptic wheel 13 respectively, and spring is stretched, so that two push plates 14 are mutually remote
From, so that two inner splints 15 are located remotely from each other and squeeze the inner wall of speech coil framework 1, meanwhile, rotation axis 11 drives rotating disc
17 rotations, rotating disc 17 drive two rotating bars 19 to rotate by two pin shafts 18, and two rotating bars 19 pull two push-pull rods
26, and the pushing block 21 of 26 bottom side of push-pull rod moves on corner block 20, so that push-pull rod 26 is not only close to each other but also simultaneously
It moves up, the two can be transferred through connecting rod 25 and push two mobile bars 23 close to each other, so that two 24 phases of external splint
It is mutually close and squeeze the two sides of speech coil framework 1, by being used cooperatively for two external splints 24 and two inner splints 15, say racetrack
Speech coil framework 1 be fixed in mounting base 4, it is easy to use, meet use demand.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of runway type voice coil of improvement, including speech coil framework (1) and mounting base (4), which is characterized in that the speech coil framework
(1) it is arranged for racetrack, the two sides of speech coil framework (1) are equipped with bright and beautiful silk thread (2), and speech coil framework (1) is equipped with multi-turn and is located at brocade
Enameled wire (3) below silk thread (2) offers U-shaped cavity (5) on the mounting base (4), and mounting base (4) top side offers installation
Slot (6), the bottom side of speech coil framework (1) extend in mounting groove (6), and threaded hole (7) are offered on the bottom side inner wall of U-shaped cavity (5),
It is equipped with threaded post (8) in threaded hole (7), the both ends of threaded post (8) all extend to threaded hole (7) outside, the top of threaded post (8)
It offers shifting chute (9), is movably installed with rotation axis (11) in shifting chute (9), the top of rotation axis (11) extends to shifting chute
(9) outside, it is offered rotation hole (12) on the top side inner wall of U-shaped cavity (5), the top of rotation axis (11) is through rotation hole (12) and solid
Dingan County is equipped with elliptic wheel (13), and fixing sleeve is connected to the rotating disc (17) in U-shaped cavity (5), rotating disc in rotation axis (11)
(17) top side is fixedly mounted there are two pin shaft (18), and two equal movable sleeves in pin shaft (18) top side are connected to rotating bar (19), the peace
It is offered on the two sides inner wall of tankage (6) moving hole (22), and two moving hole (22) are connected with U-shaped cavity (5), it is mobile
It is movably installed with mobile bar (23) in hole (22), two mobile bar (23) one end close to each other, which are fixedly installed with, is located at installation
External splint (24) in slot (6), two external splints (24) side close to each other connect with the two sides of speech coil framework (1) respectively
Touching, one end that two mobile bars (23) are located remotely from each other is rotatably equipped with the connecting rod (25) in U-shaped cavity (5), two companies
The bottom end of extension bar (25) is rotatably equipped with push-pull rod (26), and the bottom end of two push-pull rods (26) is fixedly installed with pushing block
(21), it is fixedly mounted on the bottom side inner wall of the U-shaped cavity (5) there are two corner block (20), the bottom side of two pushing blocks (21) is divided
It is not in contact with the top side of two corner blocks (20).
2. a kind of runway type voice coil of improvement according to claim 1, which is characterized in that the bottom side of the mounting groove (6)
Two push plates (14) are movably installed on inner wall, and two push plates (14) are symmetrical arranged based on rotation axis (11), two push plates
(14) side being located remotely from each other is fixedly installed with inner splint (15), the side that two inner splints (15) are located remotely from each other respectively with sound
Ring framework (1) side close to each other is in contact, two push plates (14) side close to each other respectively with elliptic wheel (13) two
Side is in contact.
3. a kind of runway type voice coil of improvement according to claim 2, which is characterized in that the bottom side of the mounting groove (6)
It is opened up on inner wall there are two limiting slot, the bottom side of two push plates (14) is slidably mounted on respectively in two limiting slots, two push plates
(14) side close to each other is fixedly installed with the same spring in mounting groove (6).
4. a kind of runway type voice coil of improvement according to claim 1, which is characterized in that the two sides of the shifting chute (9)
Sliding slot is offered on inner wall, is slidably fitted in two sliding slots the same movable block (10), and the bottom end of rotation axis (11) is fixed
It is mounted on the top side of movable block (10).
5. a kind of runway type voice coil of improvement according to claim 1, which is characterized in that two push plates (14) are located remotely from each other
Side be equipped with racetrack be provided with the locating slot (16) on the inner wall of mounting groove (6) bottom side, the bottom side of speech coil framework (1) extends to
In locating slot (16).
6. a kind of runway type voice coil of improvement according to claim 1, which is characterized in that the top side of two rotating bars (19)
Push-and-pull hole (27) is offered, the bottom end of two push-pull rods (26) extends through two push-and-pull holes (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821823995.1U CN208850046U (en) | 2018-11-07 | 2018-11-07 | A kind of runway type voice coil of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821823995.1U CN208850046U (en) | 2018-11-07 | 2018-11-07 | A kind of runway type voice coil of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208850046U true CN208850046U (en) | 2019-05-10 |
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ID=66376665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821823995.1U Active CN208850046U (en) | 2018-11-07 | 2018-11-07 | A kind of runway type voice coil of improvement |
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| Country | Link |
|---|---|
| CN (1) | CN208850046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475168A (en) * | 2019-09-16 | 2019-11-19 | 沛县华达电子器材有限公司 | A kind of loudspeaker fix device with voice coil |
-
2018
- 2018-11-07 CN CN201821823995.1U patent/CN208850046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475168A (en) * | 2019-09-16 | 2019-11-19 | 沛县华达电子器材有限公司 | A kind of loudspeaker fix device with voice coil |
| CN110475168B (en) * | 2019-09-16 | 2020-11-03 | 沛县华达电子器材有限公司 | Voice coil loudspeaker voice coil fixing device for loudspeaker |
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