CN2164625Y

CN2164625Y - Improved structure tweeter and bass loudspeaker

Info

Publication number: CN2164625Y
Application number: CN 93215230
Authority: CN
Inventors: 陈定邦
Original assignee: JINGNENG ENTERPRISE CO Ltd
Current assignee: JINGNENG ENTERPRISE CO Ltd
Priority date: 1993-06-12
Filing date: 1993-06-12
Publication date: 1994-05-11
Anticipated expiration: 2003-06-12

Abstract

The utility model provides a high and bass loudspeaker with an improved structure. The utility model mainly comprises a frame which is connected with a sound basin, the center part of the sound basin is provided with a wavy damping support, a yoke plate, a sound ring and a magnet are arranged below the damping support to form the bass part of the utility model; the central part of the sound basin is provided with a dust cover, and the bottom of the dust cover is connected with a high vibrating diaphragm to form the high part of the utility model. The structure of the utility model can cause the assemblage efficiency of the high and bass loudspeaker to be improved, and the dust influence on the tone quality is avoided.

Description

Improved structure tweeter and bass loudspeaker

The utility model relates to a kind of structure improved combination loudspeaker, and it mainly is that bass sound basin central authorities at loud speaker cover a dust cover, and this dust cover bottom is connected with a high pitch vibrating diaphragm, and constitutes an assembling rapidly and the combination loudspeaker of the dustproof effect of tool.

Loud speaker sent tonal range according to it in the past, and the difference of high bass is arranged, at present on the loudspeaker enclosure of general sound equipment, can see that still it disposes the combination loudspeaker that varies in size, recently in response to the demand on the function and simplify the trend of the times of audio amplifier volume, combination loudspeaker has been fused into one, its structure generally as shown in Figure 3, mainly be on a framework 30, to be provided with sound basin 31, the 31 tapered downward extensions of sound basin also form a portion 310, tube portion 310 outside upper limbs are provided with a waveform damping 32, and with support sound basin 31 bottoms, and tube portion 310 outer rings are provided with voice coil loudspeaker voice coil 33, framework 30 bottoms are provided with, following

yoke plate

34,35 and magnet 36, and the bass of finishing this loud speaker partly, wherein descends yoke plate 35 central spiral shells to be provided with a pillar 37, and pillar 37 upper ends pass a portion 310, outside sound basin 31, be connected with a high pitch element 38, the detailed construction of high pitch element 38 repeats no more as above-mentioned loud speaker, and promptly forms a high bass coaxial-type loud speaker by above-mentioned structure.

Still there is following shortcoming in the combination loudspeaker of said structure:

This loud speaker in assemble sound basin, waveform damping, voice coil loudspeaker voice coil on the framework in regular turn, up and down behind the element such as yoke plate and magnet, must outside the sound basin, be connected with a high pitch element, because high pitch partly is stretched on sound basin central authorities, so the following yoke plate central authorities in framework promptly must establish long screw rod from the bottom, and by a pillar, this high pitch element could be fixed in the central part of sound basin, its assembling process complexity and efficient are low;

2. though the tube portion of central authorities of general loudspeaker cone is open shape, but generally all be provided with a dust cover, so that provide dustproof effect to each element of sound basin bottom part, above-mentioned combination loudspeaker has outwards protruded out a high pitch element, promptly can't cover dust cover, and in use, dust in air can be invaded loud speaker magnetic gap inside via open tube portion in tube portion top, when being accumulated to certain degree, promptly may cause to have a strong impact on to the tonequality of loud speaker.

For overcoming the dust in the easy absorbed air of above-mentioned inside loudspeakers, so that influence the shortcoming of tonequality, another kind of combination loudspeaker has also appearred at present on the market, as shown in Figure 4, the assembling mode of this loudspeaker structure and high pitch element is roughly same as described above, it mainly also is on a framework 40 sound basin 41 to be set, sound basin 41 central authorities then are provided with a high pitch element 42, and with different improvement place of above-mentioned loud speaker, be to be that high pitch element 42 bottom part ring are provided with the brace 43 of a cross section undulate, brace 43 outer shroud peripheries then are connected on the pelvic surface of sacrum of sound basin 41 correspondences with horizontal direction, obstruct by this brace 43, can prevent that dust from entering inside loudspeakers, though easily be the long-pending shortcoming of dust trowel used for plastering but this structure has solved loud speaker, also influence simultaneously the vibration efficiency of sound basin 41, because the space is limited, when high-power output, brace 43 easily and bass sound basin 41 collide, or formation pins down, make the abnormal noise of its generation as the sound that breaks, and this combination loudspeaker also is not easy to produce the shortcoming that percent defective is higher.

Main purpose of the present utility model is: provide a kind of packaging efficiency height at the problems referred to above, also can avoid the combination loudspeaker that dust is infected with influences tonequality simultaneously.

It mainly is to cover a dust cover in sound basin central authorities, and the dust cover bottom is provided with a high pitch vibrating diaphragm, constitutes the high pitch part of this loud speaker, forms combination loudspeaker.

Combination loudspeaker of the present utility model, it mainly is to cover a sound basin in a taper framework, and these sound basin central authorities are formed with a portion, and tube portion outer rim is to be supported by a waveform damping, and is equipped with a voice coil loudspeaker voice coil, and base of frame is provided with upper and lower yoke plate and magnet; Particularly be covered with a dust cover at this sound basin near tube portion place, edge cooperates the pelvic surface of sacrum tapering of sound basin to be equipped with the cover edge of identical tapering around this dust cover, so that be glued at the corresponding site of sound basin, is connected with a high pitch vibrating diaphragm in the dust cover bottom again; Become a combination loudspeaker with above-mentioned structural group.

Combination loudspeaker of the present utility model has following effect:

This combination loudspeaker directly is connected with a high pitch vibrating diaphragm in the dust cover bottom again owing to be covered with a dust cover at sound basin place, makes it simple in structure and be convenient to assembling, and the dustproof effect of tool; So can solve the problem of damaging loud speaker tonequality because of the absorption dust, can guarantee loudspeaker quality.

Further specify architectural feature of the present utility model below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a cutaway view of the present utility model.

Fig. 2 is an outside drawing of the present utility model.

Fig. 3, Fig. 4 are the cutaway view of existing combination loudspeaker.

Relevant structure of the present utility model partly, as shown in Figure 1, it mainly is to cover a sound basin 11 in taper framework 10, this sound basin 11 extends to central authorities with a suitable tapering, and form a portion 12, the upper limb place of tube portion 12 outer rims is provided with a waveform damping 13, waveform damping 13 other ends are connected with in framework 10 bottom surfaces, this waveform damping 13 of mat is to support sound basin 11 bottoms, also be equipped with a voice coil loudspeaker voice coil 14 outside this one 12 again, be provided with in framework 10 bottoms again, following yoke plate 15,16 and magnet 17, above-described loudspeaker structure is with existing roughly similar, and non-main points of the present utility model, so its structure function repeats no more; Key of the present utility model is, be covered with its appearance of dust cover 20(as shown in Figure 2 at sound basin 11 in approaching central authorities tube portion 12 places), this dust cover 20 is made of light material, its periphery cooperates the pelvic surface of sacrum tapering ring of sound basin 11 to establish the cover edge 21 that is formed with equal angular, so that be glued on the sound basin 11, dust cover 20 centers are to be invaginated type again, its recess is connected with a high pitch vibrating diaphragm 22 in dust cover 20 bottoms, with the high pitch that constitutes this loud speaker partly, and by above-mentioned contexture one combination loudspeaker.

From the above, the utility model is that mat covers a dust cover 20 on bass sound basin 11, and directly be connected with a high pitch vibrating diaphragm 22 in dust cover 20 bottoms, constituting a combination loudspeaker, and this dust cover 20 is except that the vebrato basin that can make high pitch vibrating diaphragm 22, in addition since its outer rim with cover edge 21 and sound basin 11 gummeds, and with the tube portion 12 opening driving fits of sound basin 11, and dustproof effect can be provided, and invade the magnetic gap of inside loudspeakers to avoid dust, influence its tonequality; And this dust cover 20 is approaching tube portion 12 places that are assembled on the sound basin 11, and be to constitute by flexible material, so when sound basin 11 produces vibration, this dust cover 20 will vibrate with it, can the Oscillation Amplitude of sound basin 11 not impacted, be connected with the practice of brace compared to existing loud speaker in sound basin pelvic surface of sacrum central authorities and high pitch interelement, have more practicality and progressive.

High pitch vibrating diaphragm 22 because of this dust cover 20 and bottom thereof is to be assembled on the sound basin 11 again, so on framework 10, finish sound basin 11, waveform damping 13, voice coil loudspeaker voice coil 14, the bass formed of main member such as yoke plate 15,16 and magnet 17 is partly up and down, promptly finish its high pitch simultaneously partly, can improve packaging efficiency greatly.

Claims

1, a kind of structure improved combination loudspeaker, it mainly is to cover a sound basin in a taper framework, these sound basin central authorities are formed with a portion, tube portion outer rim connects a waveform damping and supports, be equipped with a voice coil loudspeaker voice coil, base of frame is installed with upper and lower yoke plate and magnet, it is characterized in that:

Described sound basin is covered with a dust cover near tube portion place, and the pelvic surface of sacrum tapering of its periphery cooperation sound basin is formed with identical tapering and is convenient to be glued at cover edge on the sound basin pelvic surface of sacrum, and the dust cover center bottom is connected with a high pitch vibrating diaphragm.