CN113507673B - Magnetic conduction T iron of loudspeaker - Google Patents
Magnetic conduction T iron of loudspeaker Download PDFInfo
- Publication number
- CN113507673B CN113507673B CN202110783774.6A CN202110783774A CN113507673B CN 113507673 B CN113507673 B CN 113507673B CN 202110783774 A CN202110783774 A CN 202110783774A CN 113507673 B CN113507673 B CN 113507673B
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- Prior art keywords
- iron
- permanent magnet
- supporting rod
- assembly
- power
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transmission Devices (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A magnetic conduction T iron of a loudspeaker belongs to the field of loudspeakers; including T iron and with the permanent magnet of T iron adaptation, be provided with the through-hole in the T iron, the inside fretwork of permanent magnet, its characterized in that still includes: the locking component is arranged between the T iron and the permanent magnet and used for keeping a stable connection state of the T iron and the permanent magnet when the T iron is completely inserted into the permanent magnet; the power assembly is connected with the T iron and the permanent magnet, and drives the locking assembly to extend outwards in the process of inserting the T iron into the permanent magnet until the T iron is fixed on the permanent magnet; the guide assembly is arranged between the T iron and the permanent magnet, so that the T iron cannot deflect in the process of being inserted into the permanent magnet, the quick disassembly of the T iron is realized, the operation amount in the maintenance process is reduced, the structure is simple, and the practicability is strong.
Description
Technical Field
The invention belongs to the technical field of speakers, and particularly relates to a magnetic conduction T iron of a speaker.
Background
T-Fe, its texture is pure iron. In the sound unit, the primary function of T-iron is to be magnetically conductive when energized, but it has no remanence. Related to t-iron is a clamping plate, which together are a component of the sound unit. The thickness of the clamping plate directly influences the stroke of the sound unit, and for long stroke units, the t-iron and the clamping plate are very thick, and can basically enable the whole stroke of the voice coil to perform cutting magnetic induction line movement. The smaller the gap between the clamping plate and the t-bar, the less power is required for voice coil movement and the higher the efficiency of the sound unit.
The T iron is generally connected with the permanent magnet through glue, the connection method is simple and easy to operate, but in the disassembly process, the T iron is difficult to disassemble from the permanent magnet due to the high viscosity of the glue, and therefore the magnetic conduction T iron of the loudspeaker is provided to solve the problems.
Disclosure of Invention
The invention mainly solves the technical problems existing in the prior art and provides a magnetic conduction T iron of a loudspeaker.
The technical problems of the invention are mainly solved by the following technical proposal: the utility model provides a speaker magnetic conduction T iron, includes T iron and the permanent magnet of T iron adaptation, be provided with the through-hole in the T iron, the inside fretwork of permanent magnet still includes:
the locking component is arranged between the T iron and the permanent magnet and used for keeping a stable connection state of the T iron and the permanent magnet when the T iron is completely inserted into the permanent magnet;
the power assembly is connected with the T iron and the permanent magnet, and drives the locking assembly to extend outwards in the process of inserting the T iron into the permanent magnet until the T iron is fixed on the permanent magnet;
the guide assembly is arranged between the T iron and the permanent magnet, so that the T iron cannot deflect in the process of inserting the permanent magnet.
Preferably, the locking assembly comprises an elastic structure connected with the power assembly and a telescopic structure connected with the elastic assembly;
the telescopic structure is connected with a release rod penetrating through the T iron through a connecting rod and comprises a supporting rod penetrating through the T iron, a limiting block fixedly arranged at one end of the supporting rod and a pulley rotatably arranged at the other end of the supporting rod;
the limiting block is hinged with the connecting rod, and the permanent magnet is provided with a wheel groove matched with the pulley.
Preferably, the elastic structure comprises a spring sleeve fixedly connected with the power assembly and arranged on the spring
The spring in the sleeve is inserted into the supporting rod which is arranged in the spring sleeve and connected with the spring;
the inner portion of the supporting rod is hollow, and the surface of the supporting rod is provided with a track matched with the limiting block.
Preferably, the power assembly comprises a meshing structure arranged between the T iron and the permanent magnet and a transmission structure arranged in a power chamber and used for connecting the meshing structure and the spring sleeve, and the power chamber is arranged inside the T iron.
Preferably, the meshing structure comprises a rack plate fixedly mounted on the permanent magnet and a gear meshed with the rack plate and rotatably mounted in the power cavity, and the gear is connected with the transmission structure through a belt.
Preferably, the transmission structure comprises a rotary table which is connected with the gear through a belt and is rotatably installed in the power cavity, a sliding plate which is matched with the rotary table and is arranged on two guide rods fixed with the power cavity in a sliding manner, and a steel wire which is connected with the sliding plate and is rotatably installed in the power cavity;
the fixed shaft is fixedly arranged on the turntable, the fixed shaft is matched with a groove formed in the sliding plate, and the steel wire is connected with the spring sleeve through a connecting piece.
Preferably, the guide assembly comprises a protrusion arranged in the permanent magnet and a clamping groove which is matched with the protrusion and arranged on the T-shaped iron.
The invention has the beneficial effects that:
when the T-shaped iron is used, the T-shaped iron is inserted into the permanent magnet, and the T-shaped iron and the permanent magnet cannot deflect under the action of the guide assembly, so that the power assembly can work;
in the process of inserting T iron into the permanent magnet, the locking assembly is driven to move through the power assembly, so that the T iron can be firmly fixed on the permanent magnet, and meanwhile, when the T iron is required to be separated from the permanent magnet, the connection relationship between the T iron and the permanent magnet can be relieved through the locking assembly, and the T iron is convenient to maintain or replace.
Drawings
FIG. 1 is a schematic view of a construction of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 2;
FIG. 4 is a schematic diagram of the connection between T-iron and permanent magnets;
in the figure: 1. t iron; 2. a permanent magnet; 3. a through hole; 4. rack plate; 5. a power chamber; 6. a gear; 7. a belt; 8. a turntable; 9. a guide rod; 10. a slide plate; 11. a steel wire; 12. a connecting piece; 13. a spring sleeve; 14. a spring; 15. a support rod; 16. a supporting rod; 17. a connecting rod; 18. a release lever; 19. a protrusion; 20. a track.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: a magnetic conduction T iron of a loudspeaker is shown in figures 1-4, the magnetic conduction T iron of the loudspeaker comprises a T iron 1 and a permanent magnet 2 which is matched with the T iron 1, a through hole 3 is arranged in the T iron 1, and the interior of the permanent magnet 2 is hollowed out, and the magnetic conduction T iron is special in that
Characterized in that the method also comprises the following steps:
the locking component is arranged between the T iron 1 and the permanent magnet 2 and is used for keeping a stable connection state of the T iron 1 and the permanent magnet 2 when the T iron 1 is fully inserted into the permanent magnet 2;
the power component is connected with the T iron 1 and the permanent magnet 2, and drives the locking component to extend outwards until the T iron 1 is fixed on the permanent magnet 2 in the process of inserting the T iron 1 into the permanent magnet 2;
a guide component arranged between the T iron 1 and the permanent magnet 2, so that the T iron 1 cannot deflect in the process of inserting the permanent magnet 2
In the embodiment of the invention, when in use, the T iron 1 is inserted into the permanent magnet 2, and the T iron 1 and the permanent magnet 2 cannot deflect under the action of the guide component, so that the power component can work;
in the process of inserting the T iron 1 into the permanent magnet 2, the power assembly drives the locking assembly to move, so that the T iron 1 can be firmly fixed on the permanent magnet 2, and meanwhile, when the T iron 1 and the permanent magnet 2 are required to be separated, the connection relationship between the T iron 1 and the permanent magnet 2 can be relieved through the locking assembly, and the T iron is convenient to maintain or replace;
in the embodiment of the invention, the through holes 3 are provided for assisting heat dissipation.
As an embodiment of the present invention, the locking assembly includes an elastic structure connected with the power assembly and a telescopic structure connected with the elastic assembly;
the telescopic structure is connected with a release rod 18 penetrating through the T iron 1 through a connecting rod 17, and comprises a supporting rod 16 penetrating through the T iron 1, a limiting block fixedly arranged at one end of the supporting rod 16 and a pulley rotatably arranged at the other end of the supporting rod 16;
the limiting block is hinged with the connecting rod 17, and the permanent magnet 2 is provided with a wheel groove matched with the pulley.
In the embodiment of the invention, in the process of inserting the T iron 1 into the permanent magnet 2, the power assembly drives the elastic assembly to extend outwards to push the supporting rod 16 to move outwards so as to enable the pulley to be attached to the inner wall of the permanent magnet 2 until the pulley is clamped with the pulley groove, and then the T iron 1 and the permanent magnet 2 are fixed;
in the embodiment of the invention, at the moment of the engagement of the pulley and the pulley groove, the release lever 18 is sprung outwards, and when the fixed state between the T iron 1 and the permanent magnet 2 needs to be released, the release lever 18 is pressed to enable the pulley to be separated from the pulley groove, so that unlocking is realized.
As an embodiment of the present invention, the elastic structure includes a spring sleeve 13 fixedly connected with the power assembly, a spring 14 disposed in the spring sleeve 13, and a support rod 15 inserted into the spring sleeve 13 and connected with the spring 14;
the support rod 15 is hollow, and the surface of the support rod 15 is provided with a track 20 adapted to the limiting block.
In the embodiment of the invention, when the pulley is used, the power assembly drives the spring sleeve 13 to move, the limiting block on the supporting rod 16 is abutted with one side of the track 20 on the supporting rod 15, the power assembly continues to move, at the moment, the pulley is in rolling connection with the inner wall of the permanent magnet 1, the spring 14 is compressed until the pulley moves to the pulley groove, and the spring 14 releases elastic potential energy to enable the pulley and the permanent magnet to be clamped;
in the embodiment of the invention, the supporting rod 16 penetrates through the T iron 1, and one end of the supporting rod 16 is slidably arranged in the supporting rod 15, so that the supporting rod 16 plays a guiding role to avoid displacement of the spring sleeve 13.
As an embodiment of the invention, the power assembly comprises a meshing structure arranged between the T-iron 1 and the permanent magnet 2, and a transmission structure arranged in a power chamber 5 for connecting the meshing structure and the spring sleeve 13, wherein the power chamber is arranged inside the T-iron 1.
In the embodiment of the invention, in the process of inserting the T iron 1 into the permanent magnet 2, the transmission structure is driven to work under the action of the meshing structure, so that the spring sleeve 13 is driven to move.
As an embodiment of the present invention, the meshing structure comprises a rack plate 4 fixedly mounted on the permanent magnet 2, and a gear 6 meshed with the rack plate 4 and rotatably mounted in the power chamber 5, wherein the gear 6 is connected with the transmission structure through a belt 7.
In the embodiment of the invention, in the process of inserting the T iron 1 into the permanent magnet 2, the gear 6 is combined with the rack plate 4, and at the moment, the gear 6 rotates and drives the transmission structure to move through the belt 7.
As an embodiment of the invention, the transmission structure comprises a rotary table 8 which is connected with the gear 6 through a belt 7 and is rotatably installed in the power chamber 5, a sliding plate 10 which is matched with the rotary table 8 and is arranged on two guide rods 9 fixed with the power chamber 5 in a sliding way, and a steel wire 11 which is connected with the sliding plate 10 and is rotatably installed in the power chamber 5;
the rotary table 8 is fixedly provided with a fixed shaft, the fixed shaft is matched with a groove formed in the sliding plate 10, and the steel wire 11 is further connected with the spring sleeve 13 through a connecting piece 12.
In the embodiment of the invention, when the gear 6 rotates, the turntable 8 is driven to rotate through the belt 7, so that the fixed shaft on the turntable 8 moves circularly along with the turntable 8, and the fixed shaft is matched with the groove on the slide plate 10 to drive the slide plate 10 to move on the guide rod 9 and drive the steel wire 11 to move;
in the embodiment of the invention, the power chamber 5 is rotatably provided with two belt wheels, and the two belt wheels are sleeved with steel wires 11;
in the embodiment of the invention, the T iron 1 drives the rotary table 8 to rotate by an angle smaller than 90 degrees through the meshing structure in the process of inserting the permanent magnet 2 until the permanent magnet is fixed.
As an embodiment of the invention, the guiding assembly comprises a protrusion 19 arranged in the permanent magnet 2, and a clamping groove which is matched with the protrusion 19 and is arranged on the T-iron 1.
In the embodiment of the invention, the protrusion 19 and the clamping groove are arranged, so that the T iron 1 cannot deflect in the process of inserting the permanent magnet 2, and the gear 6 and the rack plate 4 are ensured to be always in a meshed state.
The principle of the invention is as follows: after aligning the clamping groove on the T iron 1 with the bulge 19 on the permanent magnet 2, inserting the T iron 1 into the permanent magnet 2 to enable the gear 6 to be meshed with the rack plate 4, so that the gear 6 rotates, the gear 6 drives the turntable 8 to rotate through the belt 7, a fixed shaft is arranged on the turntable 8 and is matched with a groove formed in the slide plate 10 to drive the slide plate 10
The spring sleeve 13 is driven to move, meanwhile, the supporting rod 15 extends outwards and acts on the supporting rod 16, so that the pulley is in rolling connection with the inner wall of the permanent magnet 2 and compresses the spring 14, when the pulley moves to the pulley groove, the pulley is clamped under the action of the spring 14, fixation is achieved, and when the release rod 18 is pressed, the pulley is separated from the pulley groove.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the invention is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention should be considered to be within the scope of the present invention.
Claims (3)
1. The utility model provides a speaker magnetic conduction T iron, includes T iron (1) and permanent magnet (2) with T iron (1) adaptation, be provided with through-hole (3) in T iron (1), the inside fretwork of permanent magnet (2), its characterized in that still includes:
the locking assembly is arranged between the T iron (1) and the permanent magnet (2) and is used for keeping the T iron (1) and the permanent magnet (2) in a stable connection state when the T iron is fully inserted into the permanent magnet (2);
the power assembly is connected with the T iron (1) and the permanent magnet (2), and drives the locking assembly to extend outwards in the process of inserting the T iron (1) into the permanent magnet (2) until the T iron (1) is fixed on the permanent magnet (2);
the guide assembly is arranged between the T iron (1) and the permanent magnet (2) so that the T iron (1) cannot deflect in the process of being inserted into the permanent magnet (2);
the locking component comprises an elastic structure connected with the power component and a telescopic structure connected with the elastic structure;
the telescopic structure is connected with a release rod (18) penetrating through the T iron (1) through a connecting rod (17), and comprises a supporting rod (16) penetrating through the T iron (1), a limiting block fixedly arranged at one end of the supporting rod (16) and a pulley rotatably arranged at the other end of the supporting rod (16);
the limiting block is hinged with the connecting rod (17), and the permanent magnet (2) is provided with a wheel groove matched with the pulley;
the elastic structure comprises a spring sleeve (13) fixedly connected with the power assembly, a spring (14) arranged in the spring sleeve (13), and a supporting rod (15) inserted into the spring sleeve (13) and connected with the spring (14);
wherein the inside of the supporting rod (15) is hollow, and a track (20) matched with the limiting block is arranged on the surface of the supporting rod (15);
the power assembly comprises a meshing structure arranged between the T iron (1) and the permanent magnet (2) and a transmission structure arranged in a power chamber (5) and used for connecting the meshing structure and the spring sleeve (13), and the power chamber is arranged in the T iron (1);
the meshing structure comprises a rack plate (4) fixedly mounted on the permanent magnet (2), and a gear (6) meshed with the rack plate (4) and rotatably mounted in the power chamber (5), wherein the gear (6) is connected with the transmission structure through a belt (7).
2. A magnetically permeable T-iron for a loudspeaker as claimed in claim 1, wherein: the transmission structure comprises a rotary table (8) which is connected with the gear (6) through the belt (7) and is rotatably arranged in the power chamber (5), a sliding plate (10) which is matched with the rotary table (8) and is arranged on two guide rods (9) fixed with the power chamber (5) in a sliding way, and a steel wire (11) which is connected with the sliding plate (10) and is rotatably arranged in the power chamber (5);
the fixed shaft is fixedly arranged on the rotary table (8), the fixed shaft is matched with a groove formed in the sliding plate (10), and the steel wire (11) is further connected with the spring sleeve (13) through a connecting piece (12).
3. A magnetically permeable T-iron for a loudspeaker as claimed in claim 1, wherein: the guide assembly comprises a protrusion (19) arranged in the permanent magnet (2) and a clamping groove which is matched with the protrusion (19) and arranged on the T iron (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783774.6A CN113507673B (en) | 2021-07-12 | 2021-07-12 | Magnetic conduction T iron of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783774.6A CN113507673B (en) | 2021-07-12 | 2021-07-12 | Magnetic conduction T iron of loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113507673A CN113507673A (en) | 2021-10-15 |
| CN113507673B true CN113507673B (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110783774.6A Active CN113507673B (en) | 2021-07-12 | 2021-07-12 | Magnetic conduction T iron of loudspeaker |
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| CN (1) | CN113507673B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8110951B2 (en) * | 2008-12-17 | 2012-02-07 | Hsin Min Huang | Electromagnetic vibrator and producing method thereof |
| CN208924503U (en) * | 2018-10-09 | 2019-05-31 | 浙江欧赛电子有限公司 | A kind of T iron in larger type speakers |
| CN209057358U (en) * | 2018-10-19 | 2019-07-02 | 浙江欧赛电子有限公司 | A kind of loudspeaker magnet steel |
| CN209218375U (en) * | 2018-11-15 | 2019-08-06 | 青岛麒麟电子有限公司 | A kind of improved magnetic circuit structure for loudspeaker |
| CN213661923U (en) * | 2020-11-30 | 2021-07-09 | 浙江欧赛电子有限公司 | Loudspeaker T iron with quick installation |
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2021
- 2021-07-12 CN CN202110783774.6A patent/CN113507673B/en active Active
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| Publication number | Publication date |
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| CN113507673A (en) | 2021-10-15 |
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