CN210351605U

CN210351605U - Track type voice coil

Info

Publication number: CN210351605U
Application number: CN201921657128.XU
Authority: CN
Inventors: 刘雅伦
Original assignee: Lianyungang Lehu Electronic Technology Co Ltd
Current assignee: Lianyungang Lehu Electronic Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-04-17
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a track type voice coil, which belongs to the technical field of voice coils and particularly relates to a track type voice coil, which comprises a voice coil body and a support platform supported at the bottom of the voice coil body, four corners at the top of an inner cavity of the support platform are all connected with buffer rods through screws, a buffer cylinder is movably sleeved at the lower part of the outer wall of the buffer rods, springs are connected between the bottom of the buffer rods and the bottom of the inner cavity of the buffer cylinder through screws, four groups of buffer cylinders are connected with a bottom plate through screws, the top of the support platform is connected with a dust cover through hinges, jacks are respectively arranged at the left side and the right side at the rear side of the top of the support platform, an inserting rod corresponding to the positions of the jacks is bonded at the bottom of the dust cover, the inserting rod is inserted in the jack, the apex angle of the dust cover is of, and have all-round physics protection to the voice coil and make the voice coil can not damaged by external force.

Description

Track type voice coil

Technical Field

The utility model relates to a voice coil loudspeaker voice coil technical field specifically is a runway type voice coil loudspeaker voice coil.

Background

The voice coil is used as an important component for the sound production of the loudspeaker, the performance of the sound quality and the like of the loudspeaker is determined, the voice coil is classified into various categories, the racetrack type voice coil is one of the voice coils, the body of the racetrack type voice coil is very fragile, protection needs to be provided for the racetrack type voice coil in order to protect the racetrack type voice coil from being damaged and prolong the service life, and various manufacturers have various improvements aiming at the direction.

For example, chinese utility model patent application number is CN 201721900931.2's a runway type voice coil loudspeaker voice coil with safeguard function, include connecting plate, shock attenuation board, spring one, telescopic link, stand pipe, miniature electronic jar, fixing base, spring two and take the holding rod, the shock attenuation board is installed to the connecting plate lower extreme, the stand pipe sets up on the connecting plate, spring one is installed on the inside top of stand pipe, spring one assembles in the telescopic link upper end, the telescopic link sets up on the stand pipe, the stand pipe is installed on the shock attenuation board, the telescopic link is placed inside the connecting plate, the telescopic link is installed at the connecting plate downside, and this design is convenient for protect, miniature electronic jar is installed on the fixing base, miniature electronic jar lower extreme is provided with takes the holding rod, it is equipped with spring two to take the holding rod rear end, spring two is laid inside the fixing base.

However, the above-mentioned device has the problem that the voice coil is not protected from dust, and the voice coil is not protected from all directions physically, so that the voice coil may be damaged by external force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runway type voice coil loudspeaker voice coil to what provide in solving above-mentioned background art does not carry out dustproof protection to the voice coil loudspeaker voice coil, and does not have the problem that omnidirectional physical protection leads to the voice coil loudspeaker voice coil probably to be damaged by external force to the voice coil loudspeaker voice coil.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a runway type voice coil loudspeaker voice coil, includes voice coil loudspeaker voice coil body and supports the brace table in voice coil loudspeaker voice coil body bottom, all there is the buffer beam in the four corners at brace table inner chamber top through screwed connection, the buffer cylinder has been cup jointed in the activity of the outer wall lower part of buffer beam, there are the spring, four groups through screwed connection between the bottom of buffer cylinder there is the bottom plate through screwed connection between the bottom of buffer cylinder, there is the dust cover brace table's top through hinged joint, the jack has all been seted up on the left and right sides of brace table top rear side, the bottom of dust cover bonds the inserted bar that corresponds with the jack position, the inserted bar is pegged graft in the jack.

Preferably, the top corner of the dust cover is of a round corner structure.

Preferably, the side walls of the support table and the side walls of the base plate are flush.

Preferably, a connecting piece is bonded at the center of the lower end of the rear side face of the dust cover, a buckling block is bonded at the front side of the connecting piece, a buckling hole corresponding to the buckling block is formed in the rear surface of the supporting table, and the buckling block is buckled in the buckling hole.

Preferably, a rubber film is adhered to the bottom of the bottom plate.

Preferably, the distance value between the top of the bottom plate and the bottom of the support table is 2-3 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the dustproof cover is connected and fixed on the support table below the voice coil body through a hinge and an insertion rod, so that effective dustproof protection is provided for the voice coil body, the dustproof cover can be conveniently opened and fixed, and the dustproof cover is convenient to open, view and maintain the voice coil body;

2) when the supporting table is impacted by external force, the buffer rods can press the springs and move relatively in the buffer cylinders, the four groups of structures decompose and buffer the stress, and then the bottom plate can be stably supported on an external structure;

3) the voice coil body is completely surrounded inside by the dust cover and the structure below the supporting table, omnibearing physical protection is provided, and the voice coil body cannot be in direct contact with external force.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is a top cross-sectional view of the present invention;

FIG. 4 is a cross-sectional enlarged view of the junction between the buffer rod and the buffer tube of the present invention;

fig. 5 is a rear view of the dust cover of the present invention after being opened.

In the figure: 1 voice coil loudspeaker voice coil body, 2 brace tables, 3 buffer rods, 4 buffer barrels, 5 springs, 6 bottom plates, 7 dust covers, 8 jacks, 9 inserted bars, 10 connecting pieces, 11 buckle blocks and 12 buckle holes.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a runway type voice coil loudspeaker voice coil, include voice coil loudspeaker voice coil body 1 and support brace table 2 in voice coil loudspeaker voice coil body 1 bottom, brace table 2 is the protective framework of voice coil loudspeaker voice coil body, the four corners at 2 inner chamber tops of brace table all has buffer beam 3 through screwed connection, buffer tube 4 has been cup jointed in buffer beam 3's outer wall lower part activity, there is spring 5 through screwed connection between buffer beam 3's the bottom and the inner chamber bottom of buffer tube 4, there is bottom plate 6 through screwed connection between the bottom of four groups of buffer tubes 4, when brace table 2 receives external force and assaults, buffer beam 3 can oppress spring 5 and relative movement in buffer tube 4, four groups of such structures will receive the atress to decompose the buffering, then bottom plate 6 just can keep.

The top of brace table 2 has dust cover 7 through hinged joint, dust cover 7 can provide dustproof protection to the top and the outer wall of voice coil body 1, brace table 2 of cooperation below provides omnidirectional dustproof protection for voice coil body 1, jack 8 has all been seted up to the side about 2 top rear sides of brace table, the bottom of dust cover 7 bonds has the inserted bar 9 that corresponds with jack 8 position, can fix dust cover 7 firm on brace table 2 through inserted bar 9, inserted bar 9 is pegged graft in jack 8.

Wherein, the apex angle of dust cover 7 is the fillet structure, prevents that 7 apex angles of dust cover from colliding with the damage.

The side walls of the support platform 2 and the side walls of the base plate 6 are flush, making the overall device more comfortable to handle when moved.

The connecting piece 10 is bonded at the lower end center of the rear side face of the dust cover 7, the buckling block 11 is bonded at the front side of the connecting piece 10, the buckling hole 12 corresponding to the buckling block 11 is formed in the rear surface of the supporting table 2, the buckling block 11 is buckled in the buckling hole 12, the dust cover 7 is reinforced to be connected with the supporting table 2 through the buckling block 11 and the buckling hole 12, and the dust cover 7 can be connected to the supporting table 2 more stably.

The rubber membrane is bonded at the bottom of the bottom plate 6, so that the friction force of the bottom plate 6 is increased, and the supporting stability of the whole device is increased in an auxiliary mode.

The distance between the top of the bottom plate 6 and the bottom of the supporting platform 2 is 2-3mm, and the buffer rod 3 and the buffer cylinder 4 provide effective buffer distance.

The working principle is as follows: fix dust cover 7 on a supporting bench 2 through the mode that inserted bar 9 inserted jack 8, then buckle a 11 straining knot holes 12 reinforced connection, supporting bench 2 of dust cover 7 cooperation below provides omnidirectional dustproof protection for voice coil body 1 like this, when supporting bench 2 receives external force and assaults, buffer beam 3 can oppress spring 5 and relative movement in buffer tube 4, four groups of such structures will receive the atress to decompose the buffering, then bottom plate 6 just can remain stable support on the external structure, these ensure that voice coil body 1 can not receive the damage.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. The utility model provides a runway type voice coil loudspeaker voice coil, includes voice coil loudspeaker voice coil body (1) of runway type and supports brace table (2) in voice coil loudspeaker voice coil body (1) bottom, its characterized in that: the four corners at the top of the inner cavity of the supporting table (2) are connected with buffer rods (3) through screws, a buffer cylinder (4) is movably sleeved on the lower portion of the outer wall of the buffer rod (3), springs (5) and four groups are connected between the bottom of the buffer rod (3) and the bottom of the inner cavity of the buffer cylinder (4) through screws, a bottom plate (6) is connected between the bottoms of the buffer cylinders (4) through screws, the top of the supporting table (2) is connected with a dust cover (7) through a hinge, jacks (8) are formed in the left side and the right side of the rear side of the top of the supporting table (2), inserting rods (9) corresponding to the jacks (8) are bonded to the bottom of the dust cover (7), and the inserting rods (9) are inserted into the jacks.

2. A racetrack voice coil as claimed in claim 1, wherein: the top angle of the dust cover (7) is of a round angle structure.

3. A racetrack voice coil as claimed in claim 1, wherein: the side wall of the support platform (2) is flush with the side wall of the bottom plate (6).

4. A racetrack voice coil as claimed in claim 1, wherein: the dust cover is characterized in that a connecting piece (10) is bonded to the center of the lower end of the rear side face of the dust cover (7), a buckling block (11) is bonded to the front side of the connecting piece (10), a buckling hole (12) corresponding to the position of the buckling block (11) is formed in the rear surface of the supporting table (2), and the buckling block (11) is buckled in the buckling hole (12).

5. A racetrack voice coil as claimed in claim 1, wherein: the bottom of the bottom plate (6) is adhered with a rubber film.

6. A racetrack voice coil as claimed in claim 1, wherein: the distance value between the top of the bottom plate (6) and the bottom of the supporting platform (2) is 2-3 mm.