Voice coil lead leading-out conduction device
By designing a voice coil lead wire conduction device, and utilizing the rotation of the connecting post and contact plate, a stable connection and control between the voice coil lead wire and the external power supply is achieved. This solves the problem of unstable connection of the loudspeaker under vibration and temperature changes, and improves the reliability and lifespan of the loudspeaker.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-03-10
AI Technical Summary
In existing technologies, the connection between the voice coil leads and the external circuit is unstable when the loudspeaker is in use, making it difficult to adapt to working conditions such as vibration and temperature changes, and there is a lack of effective control methods.
A voice coil lead wire lead-out and conduction device is designed, including a base plate, a connecting post, a connecting block, screws, and a fixing block. By setting first and second contact pieces and rotating the connecting post with an operating handle, the voice coil lead wire can be stably connected and disconnected from the external power supply.
It achieves stable conduction and control between the voice coil leads and the external power supply, adapts to vibration and temperature changes, and improves the reliability and lifespan of the loudspeaker.
Smart Images
Figure CN223987175U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of voice coil, concretely is a voice coil lead wire lead -out on -off device. BACKGROUND
[0002] The voice coil is an important component of the mechanical wave system of the electric loudspeaker, and can be called the heart of the loudspeaker. The main function is to convert the electric signal into mechanical vibration energy, and then drive the loudspeaker to vibrate to produce sound. The performance of the voice coil will directly affect the sound intensity characteristics, sound intensity level, impedance curve, distortion, transient characteristics, loudspeaker parameters and sound quality of the loudspeaker, especially the power and life of the loudspeaker.
[0003] When the loudspeaker is used, the voice coil on the loudspeaker needs to be connected with the external circuit through the connecting device. Its core function is to ensure that the voice coil lead wire (the lead end of the coil) can stably conduct current, and at the same time adapt to the working conditions such as vibration and temperature change. At the same time, the loudspeaker needs to be controlled during use. Therefore, a device for facilitating the conduction and control of the voice coil lead wire during the use of the loudspeaker is needed. UTILITY MODEL CONTENT
[0004] The utility model discloses a voice coil lead wire lead -out on -off device, has the advantage that is favorable to the conduction and control of the voice coil lead wire when the loudspeaker is used, solves the problem that the loudspeaker needs to be connected with the external circuit through the connecting device when the loudspeaker is used.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a voice coil lead wire lead -out on -off device, including bottom plate, connecting column, connecting block, screw and fixed block, the fixed block is fixed in the middle of the upper end surface of bottom plate, the inside middle of fixed block is equipped with control groove, the inside both sides lower end of control groove is equipped with the second contact piece, the both sides lower end of connecting column is inlayed with the first contact piece, the lower end of connecting column is movably installed in the inside of control groove, the upper end of connecting column is fixed with operating handle, the connecting block is equipped with two, and two connecting blocks are fixed at the both ends of the upper end surface of bottom plate respectively, the side of connecting block is connected with the side of fixed block, the both ends lower side of the side of connecting block deviating from fixed block is equipped with connecting groove, the inside lower end of connecting groove is fixed with connecting piece, the inside of connecting block is connected and is equipped with screw hole in the upper end middle of connecting groove, the upper side of connecting block is equipped with recess in the upper end of screw hole.
[0006] Preferably, the screw is screw mounted in the inside of the screw hole, and the nut on the upper end of the screw is located in the recess.
[0007] Preferably, the both ends of the both sides of the bottom plate are equipped with fixing holes, and the fixing holes are located on the outside of the connecting block and the fixed block.
[0008] Preferably, the connecting block and the fixed block are both smaller in width than the bottom plate, and the sum of the lengths of the two connecting blocks and the fixed block is equal to the length of the bottom plate.
[0009] Preferably, the lower end of the operating handle is disc-shaped, and the outer diameter of the disc is equal to the length of the cross section of the fixed block.
[0010] Preferably, the second contact piece adjacent to one side of the connecting piece at the lower end of the connecting block is electrically connected by a wire, the two first contact pieces are electrically connected by a wire, and the first contact piece and the second contact piece are in contact with each other.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] 1、The utility model discloses a connecting piece and a connecting block are arranged, which are favorable for connecting the voice coil lead and the external power supply, the voice coil lead and the external power supply wire are respectively inserted into the connecting groove on the two connecting blocks, and the lead and the external power supply wire are fixedly contacted with the connecting piece through the rotation of the screw, so that the voice coil lead and the external power supply are connected.
[0013] 2、The utility model discloses a first contact piece and a second contact piece are arranged, which are favorable for realizing the control of the power supply and the voice coil, the lower end of the connecting column is located in the control groove, in use, the first contact piece and the second contact piece are contacted through the rotation of the operating handle to the connecting column, so that the voice coil lead and the external power supply are electrically connected, and according to the requirement of use, the first contact piece and the second contact piece are separated through rotation, so that the voice coil lead and the external power supply are disconnected. DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a top view structural schematic diagram of the utility model;
[0016] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 4 It is a three-dimensional structural schematic diagram of the connecting column of the utility model.
[0018] In the drawing: 1, bottom plate; 2, fixed hole; 3, connecting column; 4, first contact piece; 5, second contact piece; 6, connecting piece; 7, connecting groove; 8, connecting block; 9, screw; 10, operating handle; 11, fixed block; 12, control groove; 13, recess; 14, screw hole. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0020] Embodiment one
[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a voice coil lead wire lead -out device, including bottom plate 1, connecting post 3, connecting block 8, screw 9 and fixed block 11, fixed block 11 is fixed in the upper end surface middle place of bottom plate 1, the inside middle place of fixed block 11 is equipped with control groove 12, the inside both sides lower end of control groove 12 is fixed with second contact piece 5, the both sides lower end of connecting post 3 is embedded with first contact piece 4, and the lower end of connecting post 3 is movably installed in the inside of control groove 12, and the upper end of connecting post 3 is fixed with operating handle 10, and connecting block 8 is equipped with two, and two connecting block 8 are fixed at the both ends of the upper end surface of bottom plate 1, and one side of connecting block 8 is connected with one side of fixed block 11, and the both ends lower side of one side of connecting block 8, which is away from fixed block 11, is equipped with connecting groove 7, and the inside lower end of connecting groove 7 is fixed with connecting piece 6, and the inside of connecting block 8 is communicated with screw hole 14 in the upper end middle place of connecting groove 7, and the upper side of connecting block 8 is equipped with recess 13 in the upper end of screw hole 14.
[0022] Screw 9 is screw mounted in the inside of screw hole 14, and the nut on the upper end of screw 9 is located in recess 13.
[0023] The both ends of the both sides of bottom plate 1 are equipped with fixed hole 2, and fixed hole 2 is located on the outside of connecting block 8 and fixed block 11.
[0024] The voice coil lead wire and external power cord are respectively inserted into the connecting groove 7 on the two connecting blocks 8, and the lead wire and external power cord are fixedly contacted with connecting piece 6 by the rotation of screw 9, so as to facilitate the connection of voice coil lead wire and external power supply.
[0025] Embodiment two
[0026] Please refer to Figures 1-4This utility model provides an embodiment of a voice coil lead wire lead-out conduction device. Compared with embodiment one, this embodiment further includes: a base plate 1, a connecting post 3, a connecting block 8, a screw 9, and a fixing block 11. The fixing block 11 is fixed at the middle of the upper end face of the base plate 1. A control groove 12 is formed in the middle of the interior of the fixing block 11. Second contact pieces 5 are fixed at the lower ends of both sides of the interior of the control groove 12. First contact pieces 4 are embedded at the lower ends of both sides of the connecting post 3. The lower end of the connecting post 3 is movably installed in the control groove 12. Inside, the upper end of the connecting column 3 is fixed with an operating handle 10. There are two connecting blocks 8. The two connecting blocks 8 are fixed at both ends of the upper end face of the base plate 1. One side of the connecting block 8 is connected to one side of the fixing block 11. The lower ends of both sides of the connecting block 8 away from the fixing block 11 are provided with connecting grooves 7. The lower end of the connecting groove 7 is fixed with a connecting piece 6. The connecting block 8 is provided with a screw hole 14 in the middle of the upper end of the connecting groove 7. The upper side of the connecting block 8 is provided with a groove 13 at the upper end of the screw hole 14.
[0027] The width of both connecting block 8 and fixing block 11 is smaller than the width of base plate 1, and the sum of the lengths of the two connecting blocks 8 and fixing blocks 11 is equal to the length of base plate 1.
[0028] The lower end of the operating handle 10 is disc-shaped, and the outer diameter of the disc is equal to the side length of the cross section of the fixing block 11.
[0029] The second contact piece 5 on the adjacent side of the connecting piece 6 at the lower end of the connecting block 8 is electrically connected by a wire, and the two first contact pieces 4 are electrically connected by a wire, and the first contact piece 4 and the second contact piece 5 are in contact with each other.
[0030] The lower end of the connecting post 3 is located inside the control slot 12. During use, the connecting post 3 is rotated by the operating handle 10 to make the first contact piece 4 and the second contact piece 5 come into contact, so that the voice coil lead wire is electrically connected to the external power supply. According to the needs of use, the first contact piece 4 and the second contact piece 5 can be separated by rotating to disconnect the voice coil lead wire from the external power supply.
[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A voice coil lead-out guide device, comprising a base plate (1), a connecting column (3), a connecting block (8), a screw (9) and a fixing block (11), characterized in that: The fixed block (11) is fixed in the middle of the upper end surface of the bottom plate (1), a control groove (12) is arranged in the middle of the inside of the fixed block (11), the second contact sheet (5) is arranged at the lower end of the two sides of the inside of the control groove (12), the first contact sheet (4) is inlaid at the lower end of the two sides of the connecting column (3), the connecting column (3) is movably installed at the lower end of the inside of the control groove (12), the operating handle (10) is fixed at the upper end of the connecting column (3), the connecting block (8) is provided with two, the two connecting blocks (8) are fixed at the two ends of the upper end surface of the bottom plate (1), the connecting block (8) is connected with the side of the fixed block (11), the connecting groove (7) is arranged at the lower side of the two ends of the side, away from the fixed block (11), of the connecting block (8), the connecting sheet (6) is fixed at the lower end of the inside of the connecting groove (7), the screw hole (14) is arranged in the middle of the upper end of the inside of the connecting groove (7), and the recess (13) is arranged at the upper end of the upper side of the connecting block (8).
2. A voice coil lead-out guide device according to claim 1, characterized in that: The screw (9) is screwed into the inside of the screw hole (14), and the nut at the upper end of the screw (9) is located in the recess (13).
3. The voice coil lead-out guide device according to claim 1, characterized in that: The fixed hole (2) is arranged at the two ends of the two sides of the bottom plate (1), and the fixed hole (2) is located outside the connecting block (8) and the fixed block (11).
4. The voice coil lead-out guide device according to claim 1, characterized by: The width of the connecting block (8) and the fixed block (11) is less than the width of the bottom plate (1), and the sum of the lengths of the two connecting blocks (8) and the fixed block (11) is equal to the length of the bottom plate (1).
5. The voice coil lead-out guide device according to claim 1, characterized by: The lower end of the operating handle (10) is disc-shaped, and the outer diameter of the disc is equal to the length of the cross section of the fixed block (11).
6. The voice coil lead-out guide device according to claim 1, characterized by: The second contact sheet (5) adjacent to the side of the connecting sheet (6) at the lower end of the connecting block (8) is electrically connected by a wire, the two first contact sheets (4) are electrically connected by a wire, and the first contact sheet (4) and the second contact sheet (5) are in contact with each other.