Loudspeaker with split-type basin stand

Abstract

The utility model discloses a loudspeaker with a split-type basin stand, and relates to the technical field of loudspeakers. The loudspeaker comprises a metal rear cover, a basin frame, a magnetic circuit system and a vibration system. The basin frame comprises a metal mounting ring and a plurality of metal connecting columns, the metal mounting ring is coaxially arranged above the opening of the metal rear cover, and the plurality of metal connecting columns are vertically arranged and detachably connected between the metal mounting ring and the edge of the metal rear cover; the magnetic circuit system is arranged in the metal rear cover, and the magnetic circuit system is provided with a magnetic gap; the vibration system comprises a voice coil, a damper and a cone, the voice coil is suspended in the magnetic gap, the damper sleeves the outer side of the voice coil, the edge of the damper is fixedly connected with the edge of the opening of the metal rear cover, the bottom of the cone sleeves the outer side of the voice coil, and the edge of the top of the cone is fixedly connected with the inner ring of the metal mounting ring. The basin stand is simple in processing, short in processing period and capable of saving die cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker technical field, especially a loudspeaker of split type basin frame. BACKGROUND

[0002] Loudspeaker (loudspeaker), it is a transducer device that electric signal is converted for sound signal. When audio current passes through the voice coil of loudspeaker, the voice coil will be affected by the magnetic force in the magnetic field generated by the magnetic circuit system, according to the left-hand rule, the voice coil will reciprocating motion in the magnetic field, the voice coil drives the paper basin synchronous vibration, the vibration of paper basin causes the density variation of surrounding air, thereby generating sound wave.

[0003] In loudspeaker, the basin frame is an important support structure, which is used to fix the components such as magnetic circuit system and vibration system, to ensure the relative position between components accurate and stable, however, the current basin frame is usually an integral structure, the structure is relatively complex, and the corresponding mold is needed for forming, and the corresponding mold design requires high, long processing cycle, high cost, and the basin frame is difficult to demold after forming. SUMMARY

[0004] The utility model provides a loudspeaker of split type basin frame, and the basin frame is simple to process, short in processing cycle, and can save mold cost.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A loudspeaker of split type basin frame, comprising a metal back cover, a basin frame, a magnetic circuit system and a vibration system, the basin frame comprises a metal mounting ring and a plurality of metal connecting columns, the metal mounting ring is coaxially arranged above the opening of the metal back cover, and the plurality of metal connecting columns are vertically arranged and detachably connected between the metal mounting ring and the edge of the metal back cover, the magnetic circuit system is arranged in the metal back cover, and the magnetic circuit system is provided with a magnetic gap, the vibration system comprises a voice coil, a spring wave and a paper cone, the voice coil is suspended in the magnetic gap, the spring wave is sleeved outside the voice coil, the edge of the spring wave is fixedly connected with the opening edge of the metal back cover, the paper cone is sleeved outside the voice coil at the bottom, and the top edge of the paper cone is fixedly connected with the inner ring of the metal mounting ring.

[0007] In some embodiments, a plurality of first countersunk holes are arranged on the metal mounting ring in a circumferential direction, and a first screw is arranged in each first countersunk hole; a plurality of second countersunk holes corresponding to the first countersunk holes are arranged on the opening end of the metal back cover in a circumferential direction, and a second screw is arranged in each second countersunk hole; a threaded hole penetrating through both ends is arranged on the metal connecting column along the axis, one end of the metal connecting column is threadedly connected with the first screw through the threaded hole, and the other end is threadedly connected with the second screw through the threaded hole.

[0008] In at least one embodiment, the first countersunk hole is coaxially provided with a first positioning circular groove matched with one end of the metal connecting column; the second countersunk hole is coaxially provided with a second positioning circular groove matched with the other end of the metal connecting column; and the two ends of the metal connecting column are respectively positioned and inserted into the first positioning circular groove and the second positioning circular groove.

[0009] Compared with the prior art, the utility model has at least the following beneficial effects:

[0010] The utility model discloses the pot support is set to split type structure, it includes metal mounting ring and metal connecting column, need not using mould to form, only need to adopt CNC processing technology to process metal blank precision respectively metal mounting ring and metal connecting column, utilize assembly line production technology again metal mounting ring, metal connecting column and metal back cover and assemble into product can be, metal mounting ring and metal connecting column simple processing, short processing period can save mould expense, for the large -size pot support can detachable convenient transportation. BRIEF DESCRIPTION OF DRAWINGS

[0011] One or more embodiments of the utility model will now be described, by way of example only, with reference to the accompanying drawings:

[0012] Fig. 1 It is the structure schematic diagram of the utility model embodiment;

[0013] Fig. 2 It is the explosion drawing of the utility model embodiment;

[0014] Fig. 3 It is the structure schematic diagram of metal mounting ring of the utility model embodiment;

[0015] Fig. 4 It is the structure schematic diagram of metal back cover of the utility model embodiment;

[0016] Fig. 5 It is the section view of partial structure of the utility model embodiment.

[0017] The reference signs in the drawings are: 1, metal back cover;11, second countersunk hole;12, second annular step;13, installation groove;2, pot support;21, metal mounting ring;211, first countersunk hole;212, first annular step;22, metal connecting column;221, screw hole;3, magnetic circuit system;31, U iron;32, annular magnet;33, hu sai gasket;4, vibration system;41, voice coil;42, elastic wave;43, paper basin;431, dust cover;5, magnetic gap;6, first screw;7, second screw;8, first positioning circular groove;9, second positioning circular groove;10, terminal post. DETAILED DESCRIPTION

[0018] The utility model will be described in detail below with reference to the exemplary embodiments in the drawings. But it should be understood that the present application can be realized in various different forms, and should not be understood as being limited to the embodiments set forth herein. The embodiments are provided herein to make the disclosure of the present application more complete and to fully convey the concept of the present application to those skilled in the art.

[0019] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0020] As Figs. 1-5As shown, in one embodiment of the utility model, the speaker of the split type basin frame comprises a metal back cover 1, a basin frame 2, a magnetic circuit system 3 and a vibration system 4; the basin frame 2 comprises a metal mounting ring 21 and a plurality of metal connecting columns 22, the metal mounting ring 21 is coaxially arranged above the opening of the metal back cover 1, and the plurality of metal connecting columns 22 are vertically arranged and detachably connected between the metal mounting ring 21 and the edge of the metal back cover 1; the magnetic circuit system 3 is arranged in the metal back cover 1, and the magnetic circuit system 3 is provided with a magnetic gap 5; the vibration system 4 comprises a voice coil 41, a spring wave 42 and a paper basin 43, the voice coil 41 is suspended in the magnetic gap 5, the spring wave 42 is sleeved on the outer side of the voice coil 41, and the edge of the spring wave 42 is fixedly connected with the opening edge of the metal back cover 1, and the paper basin 43 is sleeved on the outer side of the voice coil 41, and the top edge of the paper basin 43 is fixedly connected with the inner ring of the metal mounting ring 21.

[0021] The utility model sets up the basin frame 2 as split type structure, it includes metal mounting ring 21 and metal connecting column 22, need not using mould to be shaped, just adopt CNC processing technology to be precisely processed metal mounting ring 21 and metal connecting column 22 with metal blank respectively, then utilize assembly line production technology to be equipped with metal mounting ring 21, metal connecting column 22 and metal back cover 1 into product, metal mounting ring 21 and metal connecting column 22 are simple to process, and the processing cycle is short, and can save mould expense, and for the basin frame 2 of big size, can detachable convenient transportation.

[0022] In some embodiments, a plurality of first countersunk holes 211 are circumferentially spaced apart on the metal mounting ring 21, and a first screw 6 is threaded through the first countersunk holes 211 downward; a plurality of second countersunk holes 11 corresponding to the first countersunk holes 211 are circumferentially spaced apart on the opening end of the metal back cover 1, and a second screw 7 is threaded through the second countersunk holes 11 upward; a threaded hole 221 penetrating both ends is arranged on the metal connecting column 22 along the axis, one end of the metal connecting column 22 is threadedly connected with the first screw 6 through the threaded hole 221, and the other end is threadedly connected with the second screw 7 through the threaded hole 221. It should be noted that the size of the paper basin 43 of different characteristic speakers is different, by adjusting the connection length of the first screw 6, the second screw 7 and the metal connecting column 22, the overall height of the basin frame 2 can be changed, and by replacing the metal mounting ring 21 of different sizes, the structural size of the high-power heavy-bass speaker and the midrange speaker can be adapted, and the flexibility is high.

[0023] It can be understood that the number of metal mounting rings 21 and metal connecting columns 22 can be multiple, and there is no limitation here. When multiple metal mounting rings 21 are provided, the multiple metal mounting rings 21 can be coaxially stacked above the opening of the metal back cover 1. The edges of each metal mounting ring 21 and the metal mounting ring 21 and the edge of the metal back cover 1 are connected by metal connecting columns 22 and screws, so that different numbers and sizes of metal mounting rings 21 can be assembled according to the personalized structural requirements of the speaker to meet the needs of different consumer groups.

[0024] Specifically, a first circular positioning groove 8 is coaxially provided at the bottom of the first countersunk hole 211, which mates with one end of the metal connecting post 22. A second circular positioning groove 9 is coaxially provided at the top of the second countersunk hole 11, which mates with the other end of the metal connecting post 22. The provision of the first and second circular positioning grooves 8 and 9 facilitates assembly by positioning the ends of the metal connecting post 22 within the first and second circular positioning grooves 8 and 9, respectively.

[0025] In some embodiments, the inner top of the metal mounting ring 21 is provided with a first annular step 212 that matches the top of the paper cone 43. During assembly, the first annular step 212 can position the top of the paper cone 43, and the top edge of the paper cone 43 is glued and fixed to the first annular step 212. The opening edge of the metal back cover 1 is provided with a second annular step 12 that matches the damper 42. During assembly, the second annular step 12 can position the damper 42, and the edge of the damper 42 is glued and fixed to the second annular step 12.

[0026] Preferably, the metal back cover 1 and metal mounting ring 21 are made of aluminum. Because aluminum has a high thermal conductivity, the magnetic circuit system 3 is located within the metal back cover 1, allowing the metal back cover 1 to conduct away the heat generated therein, resulting in excellent heat dissipation. Furthermore, because the frame 2 includes the metal mounting ring 21 and metal connecting posts 22, the metal mounting ring 21 and the metal back cover 1 are connected by spaced metal connecting posts 22, leaving ample space between them, thereby improving the overall heat dissipation performance of the speaker.

[0027] In some embodiments, a mounting groove 13 is provided on the metal back cover 1; the magnetic circuit system 3 includes a U-iron 31, an annular magnet 32 ​​and a washer gasket 33, the U-iron 31 is fixedly connected in the mounting groove 13, the annular magnet 32 ​​and the washer gasket 33 are coaxially arranged in the U-iron 31 from bottom to top, and a magnetic gap 5 is formed between the inner wall of the U-iron 31 and the outer circle of the annular magnet 32 ​​and the washer gasket 33, so that the voice coil 41 is suspended in the magnetic gap 5.

[0028] In some embodiments, a dust cover 431 is provided at the center of the paper cone 43 .

[0029] In some embodiments, the loudspeaker further comprises a terminal post 10 mounted on the metal back cover 1. The terminal post 10 is used to connect with an external audio device to transmit the electrical signal output by the audio amplifier into the voice coil 41 of the loudspeaker.

[0030] It should be understood that all the above embodiments are exemplary but not restrictive, and any modification, equivalent change and modification made by the skilled person in the light of the concept of the present application to the above described specific embodiments still belong to the scope of the technical solutions of the present application.

Claims

1. A speaker with a split-type basin frame, characterized by: Including metal back cover, basin frame, magnetic circuit system and vibration system; The basin frame includes a metal mounting ring and a plurality of metal connecting columns. The metal mounting ring is coaxially arranged above the opening of the metal back cover. The plurality of metal connecting columns are vertically arranged and detachably connected between the metal mounting ring and the edge of the metal back cover. The magnetic circuit system is arranged in the metal back cover, and the magnetic circuit system is provided with a magnetic gap; The vibration system includes a voice coil, a spring and a paper cone. The voice coil is suspended in the magnetic gap, the spring is mounted on the outside of the voice coil, and the edge of the spring is fixedly connected to the opening edge of the metal back cover. The bottom of the paper cone is mounted on the outside of the voice coil, and the top edge of the paper cone is fixedly connected to the inner ring of the metal mounting ring.

2. The speaker of the split-type basin frame according to claim 1, characterized in that: The metal mounting ring is provided with a plurality of first countersunk holes spaced circumferentially, and a first screw is passed downward through the first countersunk holes; the open end of the metal back cover is provided with a plurality of second countersunk holes corresponding to the first countersunk holes spaced circumferentially, and a second screw is passed upward through the second countersunk holes; the metal connecting column is provided with screw holes passing through both ends along the axis, one end of the metal connecting column is threadedly connected to the first screw through the screw hole, and the other end is threadedly connected to the second screw through the screw hole.

3. The speaker of the split basin frame according to claim 2, characterized in that: A first positioning circular groove is coaxially provided at the bottom of the first countersunk hole, and the first positioning circular groove matches one end of the metal connecting column; a second positioning circular groove is coaxially provided at the top of the second countersunk hole, and the second positioning circular groove matches the other end of the metal connecting column; the two ends of the metal connecting column are respectively positioned and inserted into the first positioning circular groove and the second positioning circular groove.

4. The speaker of the split-type basin frame according to claim 1 or 2, characterized in that: The top of the inner ring of the metal mounting ring is provided with a first annular step that matches the top of the paper cone; the edge of the top of the paper cone is bonded and fixed to the first annular step.

5. The speaker of the split basin frame according to claim 1 or 2, characterized in that: The opening edge of the metal back cover is provided with a second annular step matching the elastic wave; the elastic wave edge is bonded and fixed on the second annular step.

6. The speaker of the split-type basin frame according to claim 1 or 2, characterized in that: The metal back cover and the metal mounting ring are made of aluminum.

7. The speaker of the split basin frame according to claim 1 or 2, characterized in that: The metal back cover is provided with a mounting groove; the magnetic circuit system includes a U iron, an annular magnet and a washer gasket, the U iron is fixedly connected in the mounting groove, the annular magnet and the washer gasket are coaxially arranged in the U iron from bottom to top, and the magnetic gap is formed between the inner side wall of the U iron and the outer ring of the annular magnet and the washer gasket.

8. The speaker of the split-type basin frame according to claim 1, characterized in that: A dust cover is provided at the center of the paper basin.

9. The speaker of the split-type basin frame according to claim 1, characterized in that: It also includes a terminal, which is installed on the metal back cover.

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