Coaxial loudspeaker

Abstract

The utility model relates to a coaxial loudspeaker, and belongs to the technical field of loudspeaker equipment. An integrated cast aluminum basin frame and an integrated aluminum sound basin are adopted, a low pitch unit is formed through the synergistic effect of T iron, a first magnet, an upper clamping plate and a first voice coil, meanwhile, a high pitch unit is formed through the synergistic effect of a middle column, a second basin frame, U iron, a second magnet, a second voice coil and a voice diaphragm, and the coaxial design of the low pitch unit and the high pitch unit is achieved. According to the wiring assembly of the utility model, through the combination of the plastic coating member and the copper sheet, hidden wiring and fixed assembly are realized, the structural stability is enhanced, and the problems of complex structure and easy fracture caused by leading-out of an extra lead are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to loudspeaker equipment technical field especially a kind of coaxial loudspeaker. BACKGROUND

[0002] With the development of sound field technology, coaxial loudspeaker technology appears;The core feature of coaxial loudspeaker is that high pitch unit and bass unit are integrated on the same axis, so that sound spreads outward from the same sound point, and spreads to the audience's ear with the same axis;The design of coaxial loudspeaker solves the problem of phase deviation of high pitch and bass unit in traditional sound box, thereby improving the fidelity of sound and the accuracy of sound field positioning.

[0003] In related art, coaxial loudspeaker needs to be led out by wire for electrical connection, and additional wiring device needs to be additionally provided.

[0004] However, the wiring structure of the lead wire of the above coaxial sound box is complex, which can easily cause the lead wire to break, and can also affect the normal use of the loudspeaker. INVENTION CONTENTS

[0005] The applicant provides a coaxial loudspeaker to solve the problem that lead wire is easily broken by external influence by the way of hidden wiring.

[0006] The technical scheme adopted by the utility model is as follows: a coaxial loudspeaker comprises:

[0007] First basin frame, for supporting each component of loudspeaker;

[0008] Sound basin, arranged on the first basin frame;

[0009] T iron, arranged at the inner bottom of the first basin frame, and first magnet and upper clamping plate are sequentially sleeved on the T iron from bottom to top, and the top of the T iron is connected with first voice coil;

[0010] Positioning support piece, arranged between the outer side of the first voice coil and the inner side of the first basin frame, the sound basin is installed on the first basin frame and is sleeved at the top of the first voice coil, and aluminum support is arranged between the top end of the first voice coil and the sound basin;

[0011] Wiring assembly, connected with the positioning support piece through connecting sheet, the other end of the wiring assembly is connected with lead wire, the other end of the lead wire is used for connecting to PCB mechanism, and the wiring assembly is fixedly assembled on the first basin frame through connecting piece;

[0012] Further comprising middle column, the middle column is arranged at the middle position of the sound basin, and the upper portion of the middle column is provided with second basin frame, and U iron is arranged at the inner bottom of the second basin frame.

[0013] The PCB mechanism is arranged between the middle column and the U-shaped iron;

[0014] A second magnet, a magnetic pole core and a second voice coil are sequentially sleeved on the U-shaped iron from bottom to top, and a diaphragm is arranged on the top of the second voice coil.

[0015] As a further improvement of the above technical solution:

[0016] Preferably, the wiring assembly comprises a plastic covering member, the plastic covering member covers the copper sheet inside, and the lead wire is connected with the copper sheet.

[0017] Preferably, the middle column is used for supporting and positioning the second yoke, and the PCB mechanism is arranged between the middle column and the U-shaped iron.

[0018] Preferably, the air-permeable net is further arranged between the bottom center of the first yoke and the bottom center of the T-shaped iron.

[0019] Preferably, the protective sleeve is further arranged on the exposed bottom part of the wiring assembly.

[0020] Preferably, the first yoke is an integrated cast aluminum yoke, and the sound cone is an integrated aluminum sound cone.

[0021] Preferably, the first yoke and the T-shaped iron are assembled through the fixing bolt.

[0022] Preferably, the nameplate is further arranged on the bottom surface of the first yoke.

[0023] Preferably, the sponge is further arranged between the second voice coil and the diaphragm; and the mesh cover is arranged on the top of the diaphragm.

[0024] Preferably, the connecting member is a bolt structure.

[0025] The beneficial effects of the utility model are as follows:

[0026] The utility model discloses a compact structure, by the high sound unit and bass unit are integrated on the same axis, solved the problem of the phase deviation of high sound and bass unit in traditional sound box, significantly improved the fidelity of sound and the accuracy of sound field positioning, bring more real, stereoscopic hearing experience for the user, simultaneously, the wiring assembly of the utility model is combined through the plastic covering member and copper sheet, realizes hidden wiring and fixed assembly, not only simplifies the internal structure of the loudspeaker, also effectively avoids the influence of external factors to lead wire, reduces the risk of lead wire fracture, improves the reliability and durability of the loudspeaker.

[0027] The utility model also has the following advantages:

[0028] (1) The utility model discloses an integral cast aluminum basin frame and an integral aluminum cone, which effectively improve the structural strength of the loudspeaker and ensure the stability under long-term use. At the same time, the aluminum material has good heat dissipation performance, which helps the heat dissipation of the loudspeaker during high-power operation and prolongs the service life.

[0029] (2) The utility model discloses a synergistic effect of the air-permeable net and the protective sleeve, which effectively prevents dust and other impurities from entering the loudspeaker, protects the internal components from damage, and enhances the overall protection performance of the loudspeaker. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the overall structure schematic diagram of the utility model.

[0031] Figure 2 It is the explosion state structure schematic diagram of Figure 1 .

[0032] Figure 3 It is the explosion structure schematic diagram of the utility model's wiring assembly.

[0033] 1, first basin frame; 2, cone; 3, first voice coil; 4, aluminum support; 5, positioning support piece; 6, T iron; 7, first magnet; 8, upper clamping plate; 9, air-permeable net; 10, connecting piece; 11, lead wire; 12, wiring assembly; 13, connecting piece; 14, protective sleeve; 15, nameplate; 16, fixing bolt; 17, middle column; 18, PCB mechanism; 19, U iron; 20, second magnet; 21, magnetic pole core; 22, second basin frame; 23, second voice coil; 24, sound film; 25, sponge; 26, mesh cover;

[0034] 1201, plastic covering piece; 1202, copper sheet. DETAILED DESCRIPTION

[0035] To make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0036] In the description of the application, it should be understood that, if there are these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, these terms 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 application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0037] In addition, if there are these terms "first", "second", these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0038] In this application, unless otherwise explicitly specified and limited, if there are terms such as "mounting", "connecting", "connecting", "fixing" and the like, these terms should be broadly understood. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; 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; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0039] In this application, unless otherwise explicitly specified and limited, if there are similar descriptions such as "first feature on or under second feature", the meaning can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or 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" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] It is to be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar terms as used herein are for the purpose of illustration only and do not indicate the only possible orientation.

[0041] Referring to Figures 1-3 , a structure diagram of a coaxial speaker in an embodiment of the present application is shown. The coaxial speaker provided by the embodiment of the present application comprises a first spider 1, a cone 2, a first voice coil 3, an aluminum support 4, a positioning support piece 5, a T iron 6, a first magnet 7, an upper clamping plate 8, a gas permeable mesh 9, a connecting piece 10, a lead wire 11, a wiring assembly 12 (comprising a plastic covering 1201 and a copper sheet 1202), a connecting piece 13, a protective sleeve 14, a nameplate 15, a fixing bolt 16, a middle column 17, a PCB mechanism 18, a U iron 19, a second magnet 20, a magnetic pole core 21, a second spider 22, a second voice coil 23, a diaphragm 24, a sponge 25, and a mesh cover 26.

[0042] In the embodiment, the first spider 1 is used as a support structure of the entire speaker and is made of an integrated cast aluminum material, which has good structural strength and heat dissipation performance; the cone 2 is an integrated aluminum cone, which is installed on the first spider 1 and is sleeved with the top center of the first voice coil 3, and is fixed by the aluminum support 4 to ensure the stability of the cone 2 during vibration.

[0043] In the embodiment, the T iron 6 is arranged at the inner bottom of the first spider 1, and the first magnet 7 and the upper clamping plate 8 are sequentially sleeved thereon to form a magnetic circuit system of a bass unit; the first voice coil 3 is arranged at the top of the T iron 6 and is fixed with the inner side of the first spider 1 through the positioning support piece 5 to ensure the stable movement of the voice coil in the magnetic field.

[0044] In the embodiment, the wiring assembly 12 is covered with the copper sheet 1202 inside the plastic covering 1201 to realize hidden wiring. The lead wire 11 is connected with the copper sheet 1202 and is fixed and assembled on the first spider 1 through the connecting piece 13 (such as a bolt structure), which avoids the influence of external factors on the lead wire 11 and reduces the risk of breakage of the lead wire 11.

[0045] In the embodiment, the middle column 17 is arranged at the middle position of the cone 2 and is used for supporting and positioning the second spider 22; the U iron 19 is arranged at the inner bottom of the second spider 22, and the second magnet 20, the magnetic pole core 21, and the second voice coil 23 are sequentially sleeved thereon to form a magnetic circuit system of a treble unit; the diaphragm 24 is arranged at the top of the second voice coil 23 and is used for converting electrical signals into sound signals.

[0046] In the embodiment, in order to further improve the performance of the loudspeaker, a sponge 25 is additionally arranged between the second voice coil 23 and the diaphragm 24, for absorbing vibration energy and reducing distortion; meanwhile, a mesh cover 26 is arranged on the top of the diaphragm 24, for protecting the diaphragm 24 from external damage.

[0047] In the embodiment, the air-permeable mesh 9 is arranged between the bottom center of the first basket 1 and the bottom center of the T iron 6, for keeping the air inside the loudspeaker circulating and preventing overheating.

[0048] In the embodiment, the protective sleeve 14 is sleeved on the bottom exposed part of the wiring assembly 12, further enhancing the protection performance of the loudspeaker. The nameplate 15 is attached to the bottom surface of the first basket 1, for identifying the model, specifications and other information of the loudspeaker.

[0049] In actual work, the assembly process of the loudspeaker is as follows:

[0050] The T iron 6, the first magnet 7 and the upper clamping plate 8 are sequentially sleeved in the bottom of the first basket 1, and the first voice coil 3 is installed on the top of the T iron 6, while the aluminum support 4 and the positioning support 5 are installed.

[0051] The cone 2 is installed on the first basket 1 and sleeved with the first voice coil 3.

[0052] The wiring assembly 12 is connected with the positioning support 5 through the connecting piece 10 and fixedly assembled on the first basket 1 through the connecting piece 13.

[0053] The middle column 17 is installed at the middle position of the cone 2, and the second basket 22 and the U iron 19 are installed above the middle column 17.

[0054] The PCB mechanism 18 is arranged between the middle column 17 and the U iron 19, and the second magnet 20, the magnetic pole core 21 and the second voice coil 23 are sequentially sleeved on the U iron 19, and finally the diaphragm 24, the sponge 25 and the mesh cover 26 are installed on the top of the second voice coil 23.

[0055] The air-permeable mesh 9 and the protective sleeve 14 are installed, and the nameplate 15 is attached to the bottom surface of the first basket 1, completing the assembly of the entire coaxial loudspeaker.

[0056] The loudspeaker has reasonable structure, realizes the coaxial design of the high-frequency unit and the low-frequency unit, improves the fidelity of sound and the accuracy of sound field positioning, simultaneously adopts the wiring assembly 12 with plastic coating process, avoids the risk of fracture of additional lead wire, simplifies the structure, has practicality and is suitable for social popularization.

[0057] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, it is to be understood that the application embraces all such possible combinations.

[0058] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A coaxial loudspeaker, characterized by It comprises: a first yoke (1) for supporting components of a speaker; a cone (2) arranged on the first yoke (1); a T-shaped iron (6) arranged at the bottom of the first yoke (1), a first magnet (7) and an upper clamping plate (8) being sequentially sleeved on the T-shaped iron (6) from bottom to top, and the top of the T-shaped iron (6) being connected with a first voice coil (3); a positioning support (5) arranged between the outside of the first voice coil (3) and the inside of the first yoke (1), the cone (2) being mounted on the first yoke (1) and sleeved on the top of the first voice coil (3), and an aluminum support (4) being arranged between the top of the first voice coil (3) and the cone (2); a wiring assembly (12) connected with the positioning support (5) through a connecting piece (10), the other end of the wiring assembly (12) being connected with a lead wire (11), the other end of the lead wire (11) being used for being connected to a PCB mechanism (18), and the wiring assembly (12) being fixedly assembled on the first yoke (1) through a connecting piece (13); a middle column (17) is further arranged at the middle position of the cone (2), a second yoke (22) is arranged above the middle column (17), and a U-shaped iron (19) is arranged at the inner bottom of the second yoke (22); the PCB mechanism (18) is arranged between the middle column (17) and the U-shaped iron (19); a second magnet (20), a magnetic pole core (21) and a second voice coil (23) are sequentially sleeved on the U-shaped iron (19) from bottom to top, and a diaphragm (24) is arranged at the top of the second voice coil (23).

2. The coaxial loudspeaker of claim 1, wherein, The wiring assembly (12) comprises a plastic covering piece (1201) for covering a copper sheet (1202) inside, and the lead wire (11) is connected with the copper sheet (1202).

3. The coaxial loudspeaker of claim 1, wherein, The middle column (17) is used for supporting and positioning the second yoke (22), and the PCB mechanism (18) is arranged between the middle column (17) and the U-shaped iron (19).

4. The coaxial loudspeaker of claim 1, wherein, A breathable mesh (9) is further arranged between the bottom center of the first yoke (1) and the bottom center of the T-shaped iron (6).

5. The coaxial loudspeaker of claim 1, wherein, A protective sleeve (14) is further arranged on the exposed part at the bottom of the wiring assembly (12).

6. The coaxial loudspeaker of claim 1, wherein, The first yoke (1) is an integrated cast aluminum yoke, and the cone (2) is an aluminum cone formed integrally.

7. The coaxial loudspeaker of claim 1, wherein, The first yoke (1) and the T-shaped iron (6) are assembled through a fixing bolt (16).

8. The coaxial loudspeaker of claim 1, wherein, A nameplate (15) is further arranged on the bottom surface of the first yoke (1).

9. The coaxial loudspeaker of claim 1, wherein, A sponge (25) is further arranged between the second voice coil (23) and the diaphragm (24), and a mesh cover (26) is arranged at the top of the diaphragm (24).

10. The coaxial loudspeaker of claim 1, wherein, The connecting piece (13) is a bolt structure.

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