CN210491192U

CN210491192U - High-performance loudspeaker magnetic cover

Info

Publication number: CN210491192U
Application number: CN201922220386.8U
Authority: CN
Inventors: 唐银飞
Original assignee: Suzhou Zhongjin Hardware Products Co Ltd
Current assignee: Suzhou Zhongjin Hardware Products Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-05-08
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a high-performance loudspeaker magnetic cover, which comprises a frame and an outer frame edge, wherein the outer frame edge is arranged on the outer wall of the upper end of the frame, the inner part of the outer frame edge is provided with a magnetic cover structure, the inner part of the outer wall of the upper end of the outer frame edge is provided with a fixed groove, the inner wall of the lower end of the fixed groove is provided with a fixed column, dust on a protective net can be removed by adopting three modes, the first mode directly presses the protective net by hand and rapidly presses the protective net downwards, simultaneously also compresses a spring at the lower side of the cover frame, then loosens the finger, rebounds the magnetic cover structure upwards under the action of the spring, repeatedly presses, thus the dust on the protective net can be shaken, the second mode is that the sound of the loudspeaker is maximized, drives the magnetic cover structure by the sound and shakes upwards and downwards under the action of the spring, the dust can also be removed, the third mode directly removes the magnetic cover, and cleaning the protection net by using water.

Description

High-performance loudspeaker magnetic cover

Technical Field

The utility model belongs to the technical field of the speaker is relevant, concretely relates to high performance speaker magnetic shield.

Background

The loudspeaker is a transducer for converting electric signal into sound signal, its performance has great influence on sound quality, and it is the weakest component in sound equipment and the most important component for sound effect. The loudspeaker has a wide variety of types and greatly different prices, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance (resonance) with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects.

The existing magnetic shield technology has the following problems: the existing magnetic shield structure is usually bonded or embedded into a shell, but the magnetic shield fixing mode is unstable and easy to fall off, and after the magnetic shield structure is used for a long time, a protection net on the magnetic shield is easy to be full of dust, so that the sound output effect of the loudspeaker is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high performance speaker magnetic shield to it is unstable easily to drop and its inside guard net amasss easily and influences the sound effect problem of speaker to propose current magnetic shield structure fixed mode among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance loudspeaker magnetic cover comprises a frame and an outer frame edge, wherein the outer frame edge is arranged on the outer wall of the upper end of the frame, the inner part of the outer frame edge is provided with a magnetic shield structure, the inner part of the outer wall of the upper end of the outer frame edge is provided with a fixed groove, a fixing column is arranged on the inner wall of the lower end of the fixing groove, a screw hole is arranged in the outer wall of the upper end of the fixing column, a spring is sleeved outside the fixed column, a cover frame is arranged on the magnetic cover structure, a net groove is arranged inside the outer wall of the upper end of the cover frame, a protective net is arranged inside the net groove, an inner groove is arranged on the outer wall of the upper end of the cover frame, a fixed block is arranged inside the inner groove, the outer wall of the upper end of the fixed block is provided with a rotating button, the inner wall of the upper end of the inner groove is internally provided with a connecting groove, the inside of spread groove is provided with the connecting block, be provided with the screw rod on the connecting block lower extreme outer wall.

Preferably, the screw rod is arranged on the right upper side of the screw hole, and the connecting block is arranged on the outer wall of the lower end of the fixing block.

Preferably, the inner wall of the lower end of the fixing groove is internally provided with a mounting groove, and the diameter of the net groove is the same as that of the mounting groove.

Preferably, the fixed block is of a disc plastic structure, and the outer wall of the lower end of the fixed block and the inner wall of the upper end of the inner groove are both in a smooth state.

Preferably, the spring and the fixing groove are fixedly connected through glue, and the height of the spring is smaller than that of the fixing column.

Preferably, the knob is of a cylindrical plastic structure, and anti-skid grains are arranged on the outer wall of the circumference of the knob.

Preferably, the diameter of the spring is larger than that of the connecting groove, and the diameter of the connecting groove is larger than that of the screw.

Preferably, the number of the fixed columns and the number of the screws are four, the length of each screw is equal to that of each fixed column, and the cross-sectional area of the cover frame is equal to that of the fixing groove.

Compared with the prior art, the utility model provides a high performance speaker magnetic shield possesses following beneficial effect:

the utility model discloses the magnetic shield adopts glue fixed mode in the past through changing, and fix through the mounting means of nut, and can also clear away the dust on the protection network fast when fixed, before installing this magnetic shield structure, install other parts of speaker in the mounting groove of the inside of frame earlier, protect other parts of speaker like this, then put the magnetic shield structure into the inside of fixed slot, make the spread groove on the cover frame aim at the screw on the fixed column, can fix a position the magnetic shield structure fast like this, easy to assemble, then put the screw rod into the inside groove, hold the knob on the fixed block with the hand, and rotate the knob, drive the screw rod and also rotate like this, at this moment the screw rod can constantly enter the screw on the fixed column, the fixed block can also push down the inside groove and remove simultaneously, namely push down the cover frame and descend, at the moment, the cover frame presses the spring, so that the spring is continuously compressed, and the cover frame and the fixed groove keep a certain distance, therefore, the traditional fixing mode of gluing by using glue is replaced by a screw fixing mode, and the cover frame is not easy to fall off;

when producing the dust on the protecting wire net, can knob antiport, make the screw rod rise, and the screw rod does not leave the screw, the spring also can follow and recover simultaneously, then can adopt three kinds of modes to get rid of the dust on the protecting wire net, the protecting wire net is directly pressed with the hand to the first kind, and it pushes down the protecting wire net fast, the spring of cover frame downside also can compress simultaneously, loosen the finger after that, the effect through the spring is popped up the magnetism cover structure again and is gone up, press repeatedly, the last dust that can protect the wire net shakes like this, the second kind is to open the sound of speaker to the biggest, drive the magnetism cover structure and shake from top to bottom under the effect of spring through sound, also can get rid of the dust, the third kind is direct to lift off the magnetism cover structure, wash the protecting wire net water can.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a high-performance speaker magnetic cover in a three-dimensional structure according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a frame provided by the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the magnetic shield structure provided by the present invention;

fig. 4 is a schematic structural view of a cross section of the magnetic shield structure provided by the present invention;

in the figure: 1. a frame; 2. an outer frame edge; 3. a magnetic shield structure; 4. a screw hole; 5. fixing grooves; 6. fixing a column; 7. a spring; 8. a protection net; 9. a cover frame; 10. a mesh groove; 11. a rotation knob; 12. an inner tank; 13. a fixed block; 14. connecting grooves; 15. a screw; 16. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high performance speaker magnetic shield, including frame 1 and frame limit 2, frame limit 2 is installed on 1 upper end outer wall of frame, the inside of frame limit 2 is provided with magnetic shield structure 3, frame limit 2 upper end outer wall inside is provided with fixed slot 5, be provided with fixed column 6 on the 5 lower extreme inner walls of fixed slot, the inside screw 4 that is provided with of fixed column 6 upper end outer wall, spring 7 has been cup jointed to the outside of fixed column 6, be provided with cover frame 9 on the magnetic shield structure 3, the inside screen groove 10 that is provided with of cover frame 9 upper end outer wall, the inside of screen groove 10 is provided with protecting screen 8, be provided with inside groove 12 on the 9 upper end outer walls of cover frame, the inside of inside groove 12 is provided with fixed block 13, be provided with knob 11 on the outer wall of fixed block 13 upper end, inside spread groove 14 that is provided with of inside groove 12 upper end.

A high-performance loudspeaker magnetic cover comprises a frame 1 and an outer frame 2, a screw rod 15 is arranged right above a screw hole 4, a connecting block 16 is arranged on the outer wall of the lower end of a fixed block 13, so that a magnetic cover structure 3 is conveniently fixed inside the outer frame 2, the screw rod 15 is used for fixing, a mounting groove is arranged inside the inner wall of the lower end of the fixed groove 5, the diameter of a net groove 10 is the same as that of the mounting groove, other parts of a loudspeaker can be mounted inside the frame 1 and protected by the magnetic cover structure 3, the fixed block 13 is of a disc plastic structure, the outer wall of the lower end of the fixed block 13 and the inner wall of the upper end of an inner groove 12 are both in a smooth state, so that the fixed block 13 can rotate on the inner wall of the inner groove 12, the magnetic cover structure 3 is conveniently fixed in the fixed groove 5, a spring 7 is fixedly connected, can fix spring 7 like this, make things convenient for cover frame 9 to suppress spring 7, knob 11 is cylindrical plastic construction, be provided with anti-skidding line on the 11 circumference outer walls of knob, knob 11 is held to convenience like this, can carry out quick fixed to magnetic shield structure 3, the diameter of spring 7 is greater than the diameter of spread groove 14, the diameter of spread groove 14 is greater than the diameter of screw rod 15, make things convenient for cover frame 9 to push down spring 7 like this, and cover frame 9 can slide about the outside of screw rod 15, fixed column 6 and screw rod 15 are equallyd divide and do not are provided with four, the length of screw rod 15 is the same with the length of fixed column 6, the cross sectional area of cover frame 9 is the same with the cross sectional area of fixed slot 5, can put into the inside of fixed slot 5 with magnetic shield structure 3 like this, the convenience is fixed it through screw rod 15.

The utility model discloses a theory of operation and use flow: after the installation of the utility model, when installing the magnetic shield structure 3, firstly, other parts of the loudspeaker are installed in the installation groove in the frame 1, then the magnetic shield structure 3 is put into the fixed groove 5, so that the connection groove 14 on the shield frame 9 is aligned with the screw hole 4 on the fixed column 6, then the screw rod 15 is put into the inner groove 12, the knob 11 on the fixed block 13 is held by hand and the knob 11 is rotated, thus driving the screw rod 15 to rotate, at the same time, the screw rod 15 can continuously enter the screw hole 4 on the fixed column 6, meanwhile, the fixed block 13 can also press the inner groove 12 to move, namely, the shield frame 9 is pressed to descend, at the same time, the spring 7 is pressed by the shield frame 9, so that the shield frame 9 and the fixed groove 5 keep a certain distance, four screw rods 15 are respectively installed, thus, the installation of the magnetic shield structure 3 is completed, therefore, the traditional fixing mode of gluing by using glue is replaced by a mode of fixing the screw rod 15, when dust is generated on the protection net 8, the rotary button 11 can be rotated reversely, so that the screw rod 15 rises, the screw rod 15 does not leave the screw hole 4, meanwhile, the spring 7 can be recovered, then, the dust on the protection net 8 can be removed by adopting three modes, the first mode directly presses the protection net 8 by hand, the protection net 8 is quickly pressed downwards by the first mode, the spring 7 on the lower side of the cover frame 9 can be compressed, then, fingers are loosened, the magnetic cover structure 3 is rebounded up under the action of the spring 7 and is repeatedly pressed, so that the dust on the protection net 8 can be shaken, the second mode is that the sound of the loudspeaker is maximized, the magnetic cover structure 3 is driven by the sound and shaken up and down under the action of the spring 7, the dust can also be removed, and the third mode directly removes the magnetic cover structure 3, the protection net 8 is convenient to clean by water, it is an electroacoustic transducer applying electric principle, according to Faraday's law, when the current-carrying conductor passes through the magnetic field, it can receive an electrodynamic force, its direction accords with Fleming's left hand rule, the force is mutually perpendicular to current and magnetic field direction, the received magnitude is in direct proportion to current, wire length and magnetic flux density, when the voice coil inputs the alternating audio current, the voice coil receives an alternating driving force to produce alternating motion, and drive the cone to vibrate, and repeatedly push air to make sound, at present, the most widely used cone loudspeaker and horn loudspeaker all belong to the electrodynamic loudspeaker.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high performance speaker magnetic shield, includes frame (1) and outer frame limit (2), its characterized in that: the outer frame edge (2) is installed on the outer wall of the upper end of the frame (1), the magnetic shield structure (3) is arranged inside the outer frame edge (2), the fixing groove (5) is arranged inside the outer wall of the upper end of the outer frame edge (2), the fixing column (6) is arranged on the inner wall of the lower end of the fixing groove (5), the screw hole (4) is arranged inside the outer wall of the upper end of the fixing column (6), the spring (7) is sleeved outside the fixing column (6), the magnetic shield structure (3) is provided with the shield frame (9), the mesh groove (10) is arranged inside the outer wall of the upper end of the shield frame (9), the protective mesh (8) is arranged inside the mesh groove (10), the inner groove (12) is arranged on the outer wall of the upper end of the shield frame (9), the fixing block (13) is arranged inside the inner groove (12), and the rotating button, the inner wall of the upper end of the inner groove (12) is internally provided with a connecting groove (14), the inside of the connecting groove (14) is provided with a connecting block (16), and the outer wall of the lower end of the connecting block (16) is provided with a screw rod (15).

2. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the screw rod (15) is arranged on the right upper side of the screw hole (4), and the connecting block (16) is arranged on the outer wall of the lower end of the fixing block (13).

3. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the inside mounting groove that is provided with of fixed slot (5) lower extreme inner wall, the diameter of net groove (10) is the same with the diameter of mounting groove.

4. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the fixing block (13) is of a disc plastic structure, and the outer wall of the lower end of the fixing block (13) and the inner wall of the upper end of the inner groove (12) are both in a smooth state.

5. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the spring (7) is fixedly connected with the fixing groove (5) through glue, and the height of the spring (7) is smaller than that of the fixing column (6).

6. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the rotary button (11) is of a cylindrical plastic structure, and anti-slip lines are arranged on the outer wall of the circumference of the rotary button (11).

7. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the diameter of the spring (7) is larger than that of the connecting groove (14), and the diameter of the connecting groove (14) is larger than that of the screw (15).

8. A high performance loudspeaker magnetic shield as recited in claim 1, wherein: the four fixing columns (6) and the four screws (15) are respectively arranged, the length of each screw (15) is the same as that of each fixing column (6), and the cross-sectional area of the cover frame (9) is the same as that of the fixing groove (5).