Helmet type earphone loudspeaker

Abstract

The utility model belongs to the technical field of earphones, and particularly relates to a helmet type earphone loudspeaker, which comprises a bracket, U iron, a magnet, a washer, a lower cover connected with the opening end of the bracket, and a vibrating diaphragm and a voice coil which are arranged in an accommodating space formed by combining the bracket and the lower cover and are fixedly connected with the bracket and the lower cover, the support comprises a bottom plate, and a plurality of penetrating holes enabling the containing space to be communicated with the outside are formed in the bottom plate. The ring-shaped tuning net is arranged outside the sealing end of the U iron in a sleeving manner, and the tuning net is arranged on the bottom plate and covers the plurality of through holes; a plurality of tuning holes are formed in the annular part of the tuning net; according to the utility model, the vibrating diaphragm fixedly connected with the support and the lower cover is arranged in the accommodating space formed by combining the support and the lower cover of the loudspeaker, and the tuning net is arranged on the bottom plate of the support, so that the support, the vibrating diaphragm and the tuning net jointly form a noise reduction structure, and when the loudspeaker is used on the helmet type earphone, noise in sound can be filtered out, and the sound quality is improved. Sound distortion is reduced, and the sound quality of the loudspeaker is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone technical field, specifically point to a kind of loudspeaker for the earphone on helmet. BACKGROUND

[0002] In order to be safe, when riding, helmet needs to be worn, obviously, both head-mounted earphone and in-ear earphone are inconvenient to use in the case of wearing helmet, therefore, in order to also can conveniently and safely enjoy music when riding, earphone matched with helmet is used on helmet;When riding, because environmental noise is large, and the existing helmet earphone loudspeaker lacks necessary noise reduction structure, noise reduction function is poor, and noise cannot be filtered out well, experience effect is poor. SUMMARY

[0003] In order to overcome the deficiencies of prior art, the utility model aims at providing a helmet earphone loudspeaker.

[0004] Technical scheme: a helmet earphone loudspeaker, including support, U iron installed in support, magnet, which is arranged in U iron and stacked together, hua si, lower cover connected with opening end of support and closing opening end, diaphragm arranged in accommodating space formed by combination of support and lower cover and fixedly connected with both, voice coil, one end of which is fixedly connected with diaphragm and the other end is inserted into opening end of U iron;The support includes bottom plate, a plurality of through holes are arranged in the bottom plate to communicate the accommodating space with the outside;It further includes circular ring tuning net, the tuning net is sleeved on the sealing end of U iron, and the tuning net is arranged on the bottom plate and covers the plurality of through holes;A plurality of tuning holes are arranged in the annular part of the tuning net.

[0005] Preferably, the bottom plate is circular, the support further includes a first circular body fixedly connected with the bottom surface of the bottom plate, a circular ring plate sleeved on the other end of the first circular body, and a second circular body fixedly connected with the bottom surface of the circular ring plate;The bottom plate, the first circular body, the circular ring plate and the second circular body are coaxial and connected by integral molding process.

[0006] Preferably, the sealing end of the U iron is provided with a sealing plate, and the inner surface of the sealing plate is fixedly connected with the magnet;The magnet, hua si and sealing plate are all provided with axially communicating through holes.

[0007] Preferably, the plurality of through holes are circular, and are uniformly arranged in the bottom plate, and the centers of the plurality of through holes are located on the same circle.

[0008] Preferably, the diaphragm includes a circular ring connecting plate, a diaphragm surface with arc-shaped cross section fixedly connected with the edge of the connecting plate, a plurality of diaphragm patterns uniformly distributed in the diaphragm surface, and a center through hole arranged at the center of the diaphragm surface;The center through hole is located inside one end of the voice coil;The connecting plate is arranged at the position where the support and the lower cover are combined.

[0009] Preferably, the annular plate is provided with a PCB, and a longitudinal linear slot is arranged below the PCB in the outer wall of the second circular body.

[0010] Technical effects: the loudspeaker's support and lower cover form a containing space, the diaphragm is fixedly connected in the containing space, the tuning net is arranged on the bottom plate of the support, the support, the diaphragm and the tuning net jointly constitute a noise reduction structure, when the loudspeaker is used on a helmet headset, the noise in the sound can be filtered out, the distortion of the sound is reduced, and the sound quality of the loudspeaker is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective view of the utility model embodiment;

[0012] Figure 2 is a bottom view of the utility model embodiment;

[0013] Figure 3 is an exploded view of the utility model embodiment;

[0014] Figure 4 is a sectional view of the utility model embodiment.

[0015] Reference signs: support-1, bottom plate-101, perforation-101a, first circular body-102, annular plate-103, second circular body-104, longitudinal linear slot-104a, U-shaped iron-2, sealing plate-201, magnet-3, Huasi-4, lower cover-5, diaphragm-6, connecting plate-601, diaphragm surface-602, diaphragm pattern-603, center perforation-604, voice coil-7, tuning net-8, tuning hole-801, axial perforation-9, PCB-10. DETAILED DESCRIPTION

[0016] In order to make the personnel in the technical field better understand the utility model scheme, the utility model is further explained in detail below in combination with the drawings and embodiments.

[0017] As Figures 3-4As shown in the utility model embodiment provides a kind of headset loudspeaker, it is used in headset, including support 1, U iron 2 installed in support, magnet 3, huasi 4 being located in U iron and stacked together, lower cover 5 being connected with the opening end of support and closing opening end, diaphragm 6 being located in the accommodating space formed by the combination of support and lower cover and being fixedly connected with the two, voice coil 7 being fixedly connected with diaphragm one end and being inserted in the opening end of U iron;The support 1 includes bottom plate 101, a plurality of perforations 101a for communicating the accommodating space with the outside are provided in the bottom plate;Further including circular ring tuning net 8, the tuning net is sleeved on the closed end of U iron, and the tuning net is placed on the bottom plate 101 and covers a plurality of perforations 101a;A plurality of tuning holes 801 are provided in the annular part of the tuning net.

[0018] As Figures 1-4 Shown, U iron 2 of the embodiment one end opening, one end closed, so it exists closed end and opening end, specifically, the closed end of the U iron 2 is provided with sealing plate 201, the inner surface of the sealing plate is fixedly connected with the magnet 3;The magnet 3, huasi 4 and sealing plate 201 are all provided with axially communicating perforations 9.

[0019] The lower cover 5 of the embodiment is made of plastic, a plurality of perforations are provided in it, so that the accommodating space formed by the combination of support 1 and lower cover 5 can communicate with the outside.

[0020] Specifically, the bottom plate 101 is circular, the support 1 further includes a first circular body 102 fixedly connected with the bottom surface of the bottom plate, a circular ring plate 103 sleeved on the other end of the first circular body, and a second circular body 104 fixedly connected with the bottom surface of the circular ring plate;The bottom plate 101, the first circular body 102, the circular ring plate 103 and the second circular body 104 are coaxial and connected by integral molding process, such as common injection molding process.

[0021] Specifically, a plurality of perforations 101a are all circular, and are uniformly arranged in the bottom plate 101, and the centers of a plurality of perforations are located on the same circumference.

[0022] As Figures 3-4 Shown, the diaphragm 6 includes a circular ring connecting plate 601, a diaphragm surface 602 fixedly connected with the edge of the connecting plate and having arc-shaped cross section, a plurality of diaphragm patterns 603 uniformly distributed in the diaphragm surface, and a center perforation 604 arranged at the center of the diaphragm surface;The center perforation is located inside one end of the voice coil 7;The connecting plate is arranged at the position where the support 1 and the lower cover 5 are combined.The diaphragm patterns 603 uniformly distributed in the diaphragm surface are beneficial to increase the rigidity and elasticity of the diaphragm, and the uniform distribution means that the spacing between adjacent two diaphragm patterns is the same.

[0023] The PCB 10 is arranged on the annular plate 103, and a longitudinal slot 104a is arranged in the outer wall of the second circular body 104 below the PCB 10, through which the connecting wires for electrically connecting the elements in the support 1 to the PCB are passed.

[0024] The support 1, the diaphragm 6 and the tuning net 8 jointly constitute a noise reduction structure, which is beneficial to filter out the noise in the sound, reduce the distortion of the sound and improve the sound quality of the loudspeaker when the loudspeaker is used on a headphone.

[0025] In the above description, it should be noted that the terms "mounting", "connecting", "connecting" and the like should be understood in a broad sense, for example, they can be fixedly connected, detachably connected or integrally connected; they can be directly connected or indirectly connected through an intermediate medium; they can be connected inside two components; "arranged on" should be understood as "mounted on, arranged on", including fixed mounting, movable mounting and other mounting modes.

[0026] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A headphone speaker, comprising a support (1), a U-shaped iron (2) mounted in the support, magnets (3) and a dust cap (4) arranged in the U-shaped iron and stacked together, a lower cover (5) connected with the open end of the support and closing the open end, a diaphragm (6) arranged in the accommodating space formed by the combination of the support and the lower cover and fixedly connected with both, a voice coil (7) fixedly connected with one end of the diaphragm and inserted into the open end of the U-shaped iron; characterized in that, The support (1) comprises a bottom plate (101) in which a plurality of through holes (101a) are arranged to communicate the containing space with the outside; further comprises a circular tuning net (8) which is sleeved on the outer end of the U-shaped iron sealing end and is arranged on the bottom plate (101) and covers the plurality of through holes (101a); a plurality of tuning holes (801) are arranged in the annular part of the tuning net.

2. A headset speaker as claimed in claim 1, characterized in that The bottom plate (101) is circular, the support (1) further comprises a first circular body (102) fixedly connected with the bottom surface of the bottom plate, a circular plate (103) sleeved on the outer end of the other end of the first circular body, a second circular body (104) fixedly connected with the bottom surface of the circular plate; the bottom plate (101), the first circular body (102), the circular plate (103) and the second circular body (104) are coaxial and connected by an integral molding process.

3. A headset speaker as defined in claim 1, wherein The sealing end of the U-shaped iron (2) is provided with a sealing plate (201), and the magnet (3) is fixedly connected with the inner surface of the sealing plate; the magnet (3), the pot core (4) and the sealing plate (201) are all provided with axially through holes (9) which are communicated with each other.

4. A headset speaker as defined in claim 1, wherein The plurality of through holes (101a) are all circular and are uniformly arranged in the bottom plate (101), and the centers of the plurality of through holes are located on the same circle.

5. A headphone speaker as defined in claim 1, wherein The vibrating diaphragm (6) comprises a circular connecting plate (601), a vibrating diaphragm surface (602) fixedly connected with the edge of the connecting plate and having an arc-shaped cross section, a plurality of vibrating diaphragm patterns (603) uniformly distributed in the vibrating diaphragm surface, and a center through hole (604) arranged at the center of the vibrating diaphragm surface; the center through hole is located in the inner end of the voice coil (7); the connecting plate is arranged at the position where the support (1) and the lower cover (5) are combined.

6. A headset speaker as defined in claim 2, wherein The circular plate (103) is provided with a PCB (10), and a longitudinal linear slot (104a) is arranged in the outer wall of the second circular body (104) below the PCB.

Images