Plug-in type loudspeaker
By using a plug-in speaker design, the sound-generating unit is installed upside down in the inner cavity of the diaphragm, which solves the problem of large space occupation of traditional speakers and realizes efficient sound wave propagation and miniaturization in devices with limited installation space.
Patent Information
- Application Number
- CN202422953125.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Traditional loudspeaker diaphragms are horn-shaped, taking up a lot of space and making them difficult to use in equipment with limited installation space.
Design a plug-in loudspeaker with the sound-generating unit installed upside down in the diaphragm cavity and electrically connected to an external plug through a wiring unit. By utilizing the space inside the diaphragm cavity, the external dimensions of the overall structure are reduced, making it suitable for equipment with limited installation space.
It achieves the goal of reducing the need for external installation space while ensuring sound quality, making it suitable for electronic devices with limited installation space and meeting the requirements of high integration and miniaturization design.
Smart Images

Figure CN223567778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to loudspeaker technical field especially relates to a plug-in loudspeaker. BACKGROUND
[0002] Loudspeaker is a kind of electroacoustic device that converts electrical signal into sound wave, and is widely used in sound system, communication equipment, home theater and mobile device etc.Its working principle is based on electromagnetic induction and mechanical vibration: current through voice coil produces magnetic field, and interacts with the magnetic field of permanent magnet, to push diaphragm vibration, thereby forming sound.
[0003] However, the prior art has some problems: the traditional loudspeaker diaphragm is arranged in a horn shape, which occupies a large part of space, and the installation space left on some devices is insufficient, so the traditional loudspeaker is difficult to install and use, therefore we propose a plug-in loudspeaker. UTILITY MODEL CONTENT
[0004] In view of the problems existing in the prior art, the utility model provides a plug-in loudspeaker.
[0005] The utility model is realized in this way, a kind of plug-in loudspeaker, including support frame, further including fixed in the sound unit of support frame interior and the wiring unit for external plug, the wiring unit is fixed in the support frame outside, the sound unit is connected with the external plug of outside by the wiring unit and does work play action, wherein, the sound unit includes sound emitting piece, the sound emitting piece is installed in the support frame interior, the support frame, fixed installation in the diaphragm of support frame interior is arranged in a horn shape, the sound emitting piece main body is located in the diaphragm inner cavity.
[0006] As preferred in the utility model, the support frame includes lower support, the third through hole for being fixed on the shell using screw is set in the lower support interior, the arc-shaped pad strip is equipped in the lower support lower part, the first through hole is set in the arc-shaped pad strip, and the first through hole is correspondingly arranged with the third through hole.
[0007] As preferred in the utility model, the arc-shaped pad strip is equipped with two, two The arc-shaped pad strip is formed with gasket, the limiting hole is set in the arc-shaped pad strip interior, the limiting rod is fixedly connected to the side close to the arc-shaped pad strip of lower support, and the limiting rod is movably inserted into the limiting hole.
[0008] As preferred in the utility model, the wiring unit includes socket, the socket is fixed in the support frame outside, the socket is equipped with two, and two The conductive sheet is fixedly installed in the socket interior respectively.
[0009] As the utility model discloses, preferably, the conductive sheet is externally welded with a wire, one end of the wire away from the conductive sheet is fixedly connected with the sound production piece, and the sound production piece head is fixedly connected with a middle support.
[0010] As the utility model discloses, preferably, the lower support is fixedly connected with an upper support through a screw rod, the sound production piece and the middle support are clamped and installed in the middle of the lower support and the upper support, the diaphragm is fixed in the inside of the upper support, the outside of the diaphragm is fixedly connected with a protective film, the outside of the sound production piece is fixedly connected with a vibration disc, a limiting groove is formed in the outside of the diaphragm, and the screw rod passes through the limiting groove to make a rotating limiting action on the diaphragm.
[0011] As the utility model discloses, preferably, the upper support is provided with a second through hole, the lower support is provided with a screw hole, and the screw rod is screwed through the second through hole and the screw hole.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] When working, the external audio equipment transmits audio signals to the wiring unit through the external plug, the wiring unit guides the signals into the sound production piece, the voice coil in the sound production piece and the permanent magnet generate electromagnetic force under the action of input electric signals, the voice coil drives the diaphragm to vibrate, the sound waves generated by the diaphragm vibration are amplified and guided through the design of the loudspeaker structure, efficient sound wave propagation is realized, the sound production piece body is inverted and embedded in the diaphragm inner cavity, the loudspeaker structure is compact, the internal space is maximized, and therefore the demand for external installation space is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure schematic view provided by the utility model embodiment;
[0015] Figure 2 It is another angle overall structure schematic view provided by the utility model embodiment;
[0016] Figure 3 It is the explosion structure schematic view provided by the utility model embodiment;
[0017] Figure 4 It is the sound production unit structure schematic view provided by the utility model embodiment;
[0018] Figure 5 It is another angle explosion structure schematic view provided by the utility model embodiment.
[0019] In the drawing: 1, support frame; 2, wiring unit; 3, sound production unit;
[0020] 101, arc-shaped pad strip; 102, limiting hole; 103, first through hole; 104, lower support; 105, upper support; 106, screw rod; 107, second through hole; 108, screw hole; 109, third through hole; 110, limiting rod;
[0021] 201, socket; 202, conductive sheet; 203, wire;
[0022] 301, sound producing member; 302, middle support; 303, vibration disc; 304, diaphragm; 305, limiting groove; 306, protective film. DETAILED DESCRIPTION
[0023] In order to further understand the utility model content, characteristics and effects of the utility model, the following examples are listed, and the detailed description is as follows in combination with the drawings.
[0024] The structure of the utility model will be described in detail below in combination with the drawings.
[0025] As Figures 1 to 5 shown, the utility model embodiment provides a plug-in loudspeaker, which comprises a support frame 1, further comprises a sound producing unit 3 fixed in the support frame 1 and a wiring unit 2 for external plug, the wiring unit 2 is fixed outside the support frame 1, the sound producing unit 3 is electrically connected with external plug through the wiring unit 2 and does power amplifier action, wherein the sound producing unit 3 comprises a sound producing member 301, the sound producing member 301 is installed in the support frame 1, the diaphragm 304 fixedly installed in the support frame 1 is arranged in a horn shape, and the sound producing member 301 is located in the inner cavity of the diaphragm 304.
[0026] The above-mentioned plug-in loudspeaker, the support frame 1 is used as the main frame of the loudspeaker, supports the internal components and provides installation stability, the sound producing unit 3 is composed of the sound producing member 301 and the diaphragm 304, is the core working component of the loudspeaker, is responsible for the conversion of electrical signal to sound wave, the wiring unit 2 is arranged outside the support frame 1, is electrically connected with external plug, provides electrical energy and audio signal input for the sound producing unit 3, and simplifies external wiring demand;
[0027] The diaphragm 304 is fixedly installed in the support frame 1 and is arranged in a horn shape to expand the propagation range of sound wave, the sound producing member 301 is installed in the inner cavity of the diaphragm 304 in an inverted manner, the internal space of the diaphragm 304 in the traditional design is utilized, so that the external size occupation of the overall structure is reduced, and the equipment with limited installation space is suitable;
[0028] When working, the external audio device transmits audio signals to the wiring unit 2 through the external plug, the wiring unit 2 guides the signals into the sound production part 301, the voice coil inside the sound production part 301 generates electromagnetic force under the action of input electric signals together with the permanent magnet, the voice coil drives the diaphragm 304 to vibrate, the sound waves generated by the vibration of the diaphragm 304 are amplified and guided through the design of the loudspeaker structure, efficient sound wave propagation is realized, the sound production part 301 is inverted and embedded in the inner cavity of the diaphragm 304, so that the loudspeaker structure is compact, and the internal space is maximized, thereby reducing the requirement for external installation space;
[0029] It is suitable for electronic equipment with limited installation space, and can meet the requirements of high integration and miniaturization design inside the equipment while ensuring sound quality.
[0030] As preferred in the utility model, the supporting frame 1 comprises a lower support 104, a third through hole 109 for being fixed on the shell by screws is arranged in the lower support 104, an arc-shaped pad strip 101 is arranged at the lower part of the lower support 104, a first through hole 103 is arranged in the arc-shaped pad strip 101, and the first through hole 103 is arranged in correspondence with the third through hole 109.
[0031] In the embodiment, two arc-shaped pad strips 101 are arranged, the two arc-shaped pad strips 101 are formed with gaskets, a limiting hole 102 is arranged in the arc-shaped pad strip 101, a limiting rod 110 is fixedly connected to one side of the lower support 104 close to the arc-shaped pad strip 101, and the limiting rod 110 is movably inserted into the limiting hole 102.
[0032] When assembling, the two arc-shaped pad strips 101 are in contact with other structures and are fixed through the gaskets, meanwhile, the limiting rod 110 is inserted into the limiting hole 102, and the preliminary positioning of the device is formed. The cooperation of the limiting hole 102 and the limiting rod 110 enables the arc-shaped pad strip 101 to be finely adjusted within a certain range, so as to adapt to the installation error and ensure the accurate alignment and stability of the whole system. When external force acts on the arc-shaped pad strip 101, the cooperation of the limiting rod 110 and the limiting hole 102 prevents the arc-shaped pad strip 101 from deviating or dislocating, and further improves the reliability of the structure.
[0033] In the embodiment, the wiring unit 2 comprises sockets 201, the sockets 201 are fixed outside the supporting frame, the sockets 201 are two, and conductive sheets 202 are fixedly installed in the sockets 201 respectively. Wires 203 are welded outside the conductive sheets 202, one end of the wires 203 away from the conductive sheets 202 is fixedly connected with the sound production part 301, the sound production part 301 is fixedly connected with a middle support 302 at the head, and the middle support 302 is embedded and placed in the middle part of the lower support 104.
[0034] The external audio device is inserted into the socket 201 through the plug, and the metal terminal of the plug is in contact with the conductive sheet 202 to complete the signal input. The conductive sheet 202 transmits the signal to the sound generating part 301 through the soldered wire 203, and the sound generating part 301 generates vibration according to the input signal and converts the electrical signal into sound waves through the diaphragm 304. The embedded design of the middle support 302 and the lower support 104 provides stable support for the sound generating part 301, ensuring that the structure does not deviate or loosen during operation.
[0035] The double socket 201 design supports double signal input, increasing the adaptability and flexibility of the device. The modular design of the middle support 302 and the lower support 104 facilitates the replacement of the sound generating unit 3, enhancing the expansion capability of the loudspeaker.
[0036] In this embodiment, the lower support 104 is fixedly connected with the upper support 105 through the screw rod 106, and the sound generating part 301 and the middle support 302 are clamped and installed between the lower support 104 and the upper support 105. The diaphragm 304 is fixed inside the upper support 105, and the protective film 306 is fixedly connected outside the diaphragm 304. The sound generating part 301 is fixedly connected with the vibration disc 303 outside, and the diaphragm 304 is provided with a limiting groove 305 outside. The screw rod 106 passes through the limiting groove 305 to limit the rotation of the diaphragm 304. The upper support 105 is provided with a second through hole 107, and the lower support 104 is provided with a screw hole 108. The screw rod 106 passes through the second through hole 107 and is screwed with the screw hole 108.
[0037] Through the clamping installation structure of the upper and lower supports 104, the fixing and limiting function of the screw rod 106, and the cooperation of the diaphragm 304 and the vibration disc 303, the stable connection and vibration limitation of the loudspeaker assembly are realized.
[0038] Assembly stage
[0039] During the assembly process, first, the lower support 104 is fixed on the base or shell of the device, and the middle support 302 and the sound generating part 301 are aligned, and the sound generating part 301 is connected closely with the middle support 302. Then, the diaphragm 304 is installed inside the upper support 105 and aligned with the sound generating part 301. The protective film 306 is fixed outside by clamping or gluing to ensure that the diaphragm 304 is not damaged by the outside world. Next, the screw rod 106 passes through the second through hole 107 on the upper support 105, the limiting groove 305 outside the diaphragm 304 in turn, and is screwed into the screw hole 108 of the lower support 104. By tightening the screw rod 106, the clamping and fixing of the upper support 105, the diaphragm 304, the middle support 302 and the lower support 104 are completed, ensuring the stability of the structure. At the same time, the vibration disc 303 is installed outside the sound generating part 301, and it works cooperatively with the diaphragm 304 through screwing or buckling.
[0040] The external audio device is connected to the socket 201 of the wiring unit 2 through a plug, the metal terminal of the plug contacts the conductive sheet 202 in the socket 201 to complete signal input, and the conductive sheet 202 transmits the signal to the sound generating part 301 through the wire 203. After the sound generating part 301 receives the electric signal, the sound generating part 301 converts the signal into mechanical vibration through the internal electromagnetic driving mechanism thereof, and transmits the vibration to the diaphragm 304 through the vibration disc 303. The diaphragm 304 generates vibration of a corresponding frequency under the driving of the vibration disc 303, and transmits the sound wave to the outside. The cooperation of the screw rod 106 and the limiting groove 305 ensures that the diaphragm 304 always vibrates within the designed range, avoids excessive deviation or rotation to affect the sound generating quality, and protects the membrane 306 from the environment to ensure clear and stable sound output.
[0041] When maintenance is required, the upper support 105 can be quickly removed by loosening the screw rod 106 to replace the sound generating part 301 or the diaphragm 304; when the activity range of the diaphragm 304 is adjusted, the limiting groove 305 only needs to be repositioned and the screw rod 106 is fixed. The connection between the socket 201 of the wiring unit 2 and the conductive sheet 202 needs to be checked regularly to ensure stable and error-free signal transmission. The whole structure design is convenient for installation and disassembly, which not only realizes efficient sound output in a compact space, but also improves the maintainability and service life of the loudspeaker
[0042] The working principle of the utility model is:
[0043] In use, the external audio device transmits the audio signal to the wiring unit 2 through the external plug during work, the wiring unit 2 guides the signal into the sound generating part 301, the voice coil in the sound generating part 301 generates electromagnetic force under the action of the input electric signal together with the permanent magnet, the voice coil drives the diaphragm 304 to vibrate, the sound wave generated by the vibration of the diaphragm 304 is amplified and guided through the design of the horn-shaped structure, efficient sound wave propagation is realized, the sound generating part 301 is inverted and embedded in the inner cavity of the diaphragm 304, the loudspeaker structure is compact, the internal space is maximized, thereby reducing the demand for external installation space; it is suitable for electronic equipment with limited installation space, and can meet the demand of high integration and miniaturization design in the equipment while ensuring the sound quality.
[0044] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or device.
[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A plug-in loudspeaker comprising a support frame (1), characterized in that: Also include The sound unit (3) fixed inside the support frame (1) and the wiring unit (2) for external plug, the wiring unit (2) is fixed outside the support frame (1), the sound unit (3) is connected with the external plug of outside through the wiring unit (2) and does the work of power amplifier, Wherein, the sound unit (3) includes sound emitting part (301), the sound emitting part (301) is installed inside the support frame (1), the support frame (1), the diaphragm (304) fixedly installed inside the support frame (1) is arranged in the shape of horn, the sound emitting part (301) is located in the inner cavity of the diaphragm (304).
2. A plug-in loudspeaker as claimed in claim 1, characterised in that: The support frame (1) includes a lower support (104), a third through hole (109) is formed in the lower support (104) for fixing the shell with screws, and an arc-shaped pad strip (101) is arranged at the lower part of the lower support (104), the arc-shaped pad strip (101) is provided with a first through hole (103), and the first through hole (103) is arranged corresponding to the third through hole (109).
3. A plug-in loudspeaker as claimed in claim 2, characterised in that: The arc-shaped pad strip (101) is provided with two, the arc-shaped pad strip (101) is formed with a limiting hole (102), the lower support (104) is fixedly connected with a limiting rod (110) on one side close to the arc-shaped pad strip (101), and the limiting rod (110) is movably inserted into the limiting hole (102).
4. A plug-in loudspeaker as claimed in claim 2, characterised in that: The wiring unit (2) includes a socket (201), the socket (201) is fixed outside the support frame, and the socket (201) is provided with two, and the conductive sheet (202) is fixedly installed in the socket (201).
5. A plug-in loudspeaker as claimed in claim 4, characterised in that: The conductive sheet (202) is welded with a wire (203) outside, one end of the wire (203) away from the conductive sheet (202) is fixedly connected with the sound emitting part (301), the sound emitting part (301) is fixedly connected with a middle support (302) at the head, and the middle support (302) is embedded and placed in the middle of the lower support (104).
6. A plug-in loudspeaker as claimed in claim 5, characterised in that: The lower support (104) is fixedly connected with an upper support (105) through a screw rod (106), the sound emitting part (301) and the middle support (302) are clamped and installed in the middle of the lower support (104) and the upper support (105), the diaphragm (304) is fixedly connected with the upper support (105), the diaphragm (304) is fixedly connected with a protective film (306) outside, the sound emitting part (301) is fixedly connected with a vibration disc (303) outside, the diaphragm (304) is provided with a limiting groove (305) outside, and the screw rod (106) passes through the limiting groove (305) to rotate and limit the diaphragm (304).
7. A plug-in loudspeaker as claimed in claim 6, characterised in that: The upper support (105) is provided with a second through hole (107), the lower support (104) is provided with a screw hole (108), and the screw rod (106) is screwed with the screw hole (108) through the second through hole (107).