Anti-floating voice coil gauge structure

Abstract

The utility model relates to the technical field of voice coil gauges, and discloses an anti-floating voice coil gauge structure, which is used for installing a voice coil in a loudspeaker in an auxiliary manner and comprises a cylinder body, an accommodating space is arranged in the cylinder body, and a first positioning hole and a second positioning hole are respectively formed on two sides of the cylinder body in a penetrating manner; a magnetic conducting piece with a U-shaped cross section is arranged in the cylinder body; the two ends of the top of the magnetic conducting piece are inserted into the first positioning hole and the second positioning hole respectively; and when the voice coil is installed, a magnetic attraction force is generated between the magnetic conductive piece and an auxiliary magnet or a washer of the loudspeaker, so that the voice coil gauge is pressed on the auxiliary magnet or the washer, and the voice coil gauge is prevented from floating.

Description

Technical Field

[0001] The utility model relates to the technical field of voice coil gauges, and in particular to an anti-floating voice coil gauge structure. Background Art

[0002] The voice coil is a core component of the speaker. It carries the task of converting the electric power of the sound signal and radiating the sound. During the operation of the speaker, the voice coil will be affected by the magnetic force, generate vibration, and convert the electrical signal into a sound signal for radiation. The voice coil positioning gauge is a tool used to install the voice coil and position and fix the voice coil. When using it, put the voice coil on the voice coil positioning gauge, and then insert it into the magnetic gap of the speaker. Use glue to glue the voice coil and related accessories, and then remove the voice coil positioning gauge.

[0003] At present, there are the following problems on the market: the existing ordinary voice coil gauge is prone to floating during use, which causes the voice coil to not be positioned in the correct position and is easily bent, resulting in defects such as the speaker plug-in coil, and further causing loss of materials and working hours; therefore, it is necessary to design a voice coil positioning gauge with good anti-floating stability to solve the current problems, reduce defective losses and thus reduce costs. Utility Model Content

[0004] The utility model aims to solve the technical problem of providing a voice coil gauge that prevents floating, wherein a cylinder body is arranged so that the voice coil can be sleeved on the outside of the cylinder body, and the internal space of the cylinder body can accommodate other components; the two sides of the cylinder body are respectively provided with a first positioning hole and a second positioning hole; the magnetic conductive part is used to ensure that the magnetic conductive part can be accurately inserted into the cylinder body; the cross section of the magnetic conductive part is U-shaped, which helps to increase the magnetic conductive effect of the magnetic field; the top two ends of the magnetic conductive part are respectively inserted into the first positioning hole and the second positioning hole of the cylinder body, which can ensure that the magnetic conductive part is tightly connected to the cylinder body; when the voice coil is installed, magnetic attraction will be generated between the magnetic conductive part and the auxiliary magnet or washer of the speaker; the magnetic attraction will press the voice coil gauge on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating.

[0005] A voice coil gauge structure for preventing floating is used for assisting the installation of a voice coil in a loudspeaker, comprising a cylinder body, wherein the interior of the cylinder body has a containing space, and two sides of the cylinder body are respectively penetrated with a first positioning hole and a second positioning hole; and the interior of the cylinder body is provided with a magnetic conductive member with a U-shaped cross section; and the top two ends of the magnetic conductive member are respectively plugged into the first positioning hole and the second positioning hole; and when the voice coil is installed, a magnetic attraction force is generated between the magnetic conductive member and the auxiliary magnet or washer of the loudspeaker, so that the voice coil gauge is pressed on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating.

[0006] Preferably, a long groove communicating with the accommodating space is formed on the front side of the cylinder; a wire hole communicating with the accommodating space is formed on the front end of the cylinder; and the wire hole is communicated with the end of the long groove.

[0007] Preferably, a circle of first step recessed inward is formed inside the cylinder; a spring sheet is provided at the first step; the spring sheet is in an arc shape; the spring sheet expands the inside of the cylinder; and the upper end of the spring sheet abuts against the first step.

[0008] Preferably, a second step that is recessed inward is formed inside the cylinder; and the second step is located below the first step; and after the voice coil gauge is installed in the speaker, the second step is used to position it with the washer or auxiliary magnet of the speaker; and the distance between the magnetic conductive part and the auxiliary magnet or washer of the speaker is 0.2 to 2 mm.

[0009] Preferably, the two ends of the magnetic conductive member are respectively formed with a first bending portion and a second bending portion outwardly; the first bending portion is plugged into the first positioning hole; and the second bending portion is plugged into the second positioning hole; the first positioning hole and the second positioning hole are horizontally symmetrically arranged.

[0010] Preferably, both the first bending portion and the second bending portion are provided with rolling balls; during the installation process, the magnetic conductive member slides into the first positioning hole and the second positioning hole along the inner wall of the cylinder by means of the balls.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the voice coil gauge structure of the utility model that prevents floating, the cylinder body can make the voice coil be sleeved on the outside of the cylinder body, and the internal space of the cylinder body can accommodate other components; the two sides of the cylinder body are respectively provided with a first positioning hole and a second positioning hole; it is used to ensure that the magnetic conductive part can be accurately inserted into the cylinder body; the cross-section of the magnetic conductive part is U-shaped, which helps to increase the magnetic conductive effect of the magnetic field; the top two ends of the magnetic conductive part are respectively inserted into the first positioning hole and the second positioning hole of the cylinder body, which can ensure that the magnetic conductive part is tightly connected to the cylinder body; when the voice coil is installed, a magnetic attraction will be generated between the magnetic conductive part and the auxiliary magnet or washer of the speaker; this magnetic attraction will press the voice coil gauge on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2This utility model Figure 1 Schematic diagram of the cross-sectional structure.

[0016] Figure 3 This utility model Figure 1 Schematic diagram of the decomposition structure.

[0017] Figure 4 It is a schematic diagram of the ball structure of the utility model.

[0018] In the figure: 1, cylinder; 2, first positioning hole; 3, second positioning hole; 4, magnetic conductive member; 5, long groove; 6, lead hole; 7, first step; 8, spring piece; 9, second step; 10, first bending part; 11, second bending part; 12, ball. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that the terms "first", "second", etc. in the present invention are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure.

[0021] See also Figures 1 to 4 In an embodiment of the utility model, an anti-floating voice coil gauge structure is used to assist the installation of a voice coil in a loudspeaker, including a cylinder 1, and the interior of the cylinder 1 has a accommodating space; a first positioning hole 2 and a second positioning hole 3 are respectively formed through both sides of the cylinder 1; and a magnetic conductive part 4 with a U-shaped cross-section is provided inside the cylinder 1; and the top two ends of the magnetic conductive part 4 are respectively plugged into the first positioning hole 2 and the second positioning hole 3; and when the voice coil is installed, a magnetic attraction force is generated between the magnetic conductive part 4 and the auxiliary magnet or washer of the loudspeaker, so that the voice coil gauge is pressed on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating.

[0022] Specifically, the cylinder 1 allows the voice coil to be sleeved on the outside of the cylinder 1, and the internal space of the cylinder 1 can accommodate other components; the cylinder 1 has a first positioning hole 2 and a second positioning hole 3 on both sides respectively; it is used to ensure that the magnetic conductive member 4 can be accurately inserted into the cylinder 1; the cross section of the magnetic conductive member 4 is U-shaped, which helps to increase the magnetic conductive effect of the magnetic field; the top two ends of the magnetic conductive member 4 are respectively inserted into the first positioning hole 2 and the second positioning hole 3 of the cylinder 1, which can ensure that the magnetic conductive member 4 is tightly connected to the cylinder 1; when the voice coil is installed, a magnetic attraction will be generated between the magnetic conductive member 4 and the auxiliary magnet or washer of the speaker; this magnetic attraction will press the voice coil gauge on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating;

[0023] Furthermore, a long groove 5 communicating with the accommodating space is formed on the front side of the barrel 1 ; a wire hole 6 communicating with the accommodating space is formed at the front end of the barrel 1 ; and the wire hole 6 is communicated with the end of the long groove 5 .

[0024] Specifically, the long groove 5 formed on the front side of the cylinder 1 is connected to the accommodating space; the long groove 5 is convenient for pressing the cylinder 1 to reduce its outer diameter, so as to facilitate the installation of the voice coil; the lead hole 6 formed at the front end of the cylinder 1 is also connected to the accommodating space, and the lead hole 6 is connected to the end of the long groove 5 for inserting the lead wire of the voice coil.

[0025] Furthermore, a circle of inwardly recessed first step 7 is formed inside the cylinder 1; a spring piece 8 is provided at the first step 7; the spring piece 8 is in an arc shape; the spring piece 8 expands the inside of the cylinder 1; and the upper end of the spring piece 8 abuts against the first step 7.

[0026] Specifically, a circle of inwardly recessed first step 7 is formed inside the cylinder 1, and a spring clip 8 is provided at the first step 7; the spring clip 8 is in an arc shape, and its function is to provide additional support and stability when installing the voice coil; the spring clip 8 expands the interior of the cylinder 1, and at the same time, the upper end of the spring clip 8 abuts against the first step 7 to ensure their position and stability; the design of the spring clip 8 can play an expanding and supporting role during the installation of the voice coil, so that the voice coil can be tightly fixed on the cylinder 1 without loosening or movement; the stability and reliability of the voice coil during use can be improved, and the U-shaped magnetic conductive part 4 also has a certain supporting effect on the outer wall of the cylinder 1.

[0027] Furthermore, a circle of inwardly recessed second step 9 is formed inside the cylinder body 1; and the second step 9 is located below the first step 7; and after the voice coil gauge is installed in the speaker, the second step 9 is used to position with the washer or auxiliary magnet of the speaker; and the distance between the magnetic conductive part 4 and the auxiliary magnet or washer of the speaker is 0.2 to 2 mm.

[0028] Specifically, a circle of inwardly recessed second step 9 is formed inside the cylinder 1 and is located below the first step 7; the function of the second step 9 is to position the voice coil with the washer or auxiliary magnet of the speaker after the voice coil is installed in the speaker; ensure that the voice coil is correctly aligned with other components of the speaker, so that the sound transmission is more accurate and stable; the distance between the magnetic component 4 and the auxiliary magnet or washer of the speaker is 0.2 to 2 mm; maintaining an appropriate distance can ensure that the magnetic component 4 can effectively generate a magnetic field, thereby generating sufficient magnetic attraction with the magnet in the voice coil, and stably fixing the voice coil in the correct position.

[0029] Furthermore, the two ends of the magnetic conductive member 4 are respectively formed with a first bending portion 10 and a second bending portion 11 outwardly; the first bending portion 10 is plugged into the first positioning hole 2; and the second bending portion 11 is plugged into the second positioning hole 3.

[0030] Specifically, the two ends of the magnetic conductive component 4 are respectively formed with a first bending portion 10 and a second bending portion 11 outwardly, in order to better adapt to the structure of the cylinder 1 and ensure the plugging with the positioning hole; the first bending portion 10 is plugged into the first positioning hole 2, and the second bending portion 11 is plugged into the second positioning hole 3, so that the magnetic conductive component 4 can be accurately inserted into the interior of the cylinder 1 and tightly combined with the positioning hole of the cylinder 1, and the magnetic conductive component 4 can be firmly fixed on the cylinder 1, ensuring the stable installation of the voice coil and the normal operation of the speaker.

[0031] Furthermore, the first positioning hole 2 and the second positioning hole 3 are arranged horizontally symmetrically.

[0032] Specifically, the first positioning hole 2 and the second positioning hole 3 are horizontally symmetrically arranged on the cylinder 1, which helps to ensure that the magnetic conductive member 4 can be correctly inserted into the cylinder 1 and tightly combined with the two positioning holes, thereby achieving stable installation of the voice coil and normal operation of the speaker.

[0033] Furthermore, both the first bending portion and the second bending portion are provided with rolling balls 12 ; during the installation process, the magnetic conductive member 4 slides into the first positioning hole 2 and the second positioning hole 3 along the inner wall of the cylinder 1 by means of the balls 12 .

[0034] Specifically, the first bending portion and the second bending portion are both rollingly provided with balls 12, which are rollingly installed with the bending portion of the magnetic component 4 to reduce the friction between the magnetic component 4 and the inner wall of the cylinder 1 and make the magnetic component 4 smoother during the loading process; during the loading process, the magnetic component 4 relies on the balls 12 to slide along the inner wall of the cylinder 1 into the first positioning hole 2 and the second positioning hole 3; the rolling characteristics of the balls 12 are utilized, so that the magnetic component 4 can slide smoothly along the inner wall of the cylinder 1 and accurately enter the first and second positioning holes 3; the accurate docking of the magnetic component 4 and the cylinder 1 can be ensured, thereby achieving stable installation of the voice coil and normal operation of the speaker.

[0035] During assembly, the spring piece 8 is placed inside the cylinder 1 from the bottom and the upper end of the spring piece 8 is in contact with the bottom of the first step 7. Then the magnetic conductive part 4 is pressed to push it into the cylinder 1. The two ends of the magnetic conductive part 4 can be smoothly inserted into the two opposing positioning holes by rolling the ball 12 on the inner wall of the cylinder 1. When installing the voice coil, the cylinder 1 is pressed through the through groove to reduce the outer diameter of the cylinder 1, and then the voice coil is installed. Then, it is positioned on the washer or auxiliary magnet of the speaker through the second step 9 inside the cylinder 1. At this time, the cylinder 1 is fixed on the auxiliary magnet or washer through the magnetic adsorption force between the magnetic conductive part 4 and the washer or auxiliary magnet. The voice coil is glued and fixed to the relevant accessories with glue, and then the voice coil gauge is removed. The operation is convenient.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. An anti-floating voice coil gauge structure, used for assisting the installation of a voice coil in a loudspeaker, comprising a cylinder (1), wherein the cylinder (1) has a receiving space inside, characterized in that: A first positioning hole (2) and a second positioning hole (3) are respectively formed through the two sides of the cylinder (1); a magnetic conductive part (4) having a U-shaped cross section is provided inside the cylinder (1); and the two ends of the top of the magnetic conductive part (4) are respectively plugged into the first positioning hole (2) and the second positioning hole (3); and when the voice coil is installed, a magnetic attraction force is generated between the magnetic conductive part (4) and the auxiliary magnet or washer of the speaker, so that the voice coil gauge is pressed on the auxiliary magnet or washer, thereby preventing the voice coil gauge from floating.

2. The anti-floating voice coil gauge structure according to claim 1, characterized in that: The front side of the cylinder (1) is formed with a long groove (5) communicating with the accommodating space; the front end of the cylinder (1) is formed with a lead hole (6) communicating with the accommodating space; and the lead hole (6) is communicated with the end of the long groove (5).

3. The anti-floating voice coil gauge structure according to claim 1, characterized in that: A circle of inwardly recessed first steps (7) is formed inside the cylinder (1); a spring sheet (8) is provided at the first step (7); the spring sheet (8) is in an arc shape; the spring sheet (8) expands and supports the inside of the cylinder (1); and the upper end of the spring sheet (8) abuts against the first step (7).

4. The anti-floating voice coil gauge structure according to claim 3, characterized in that: The cylinder (1) is internally formed with a second step (9) that is recessed inwards; the second step (9) is located below the first step (7); after the voice coil gauge is installed in the speaker, the second step (9) is used to locate with the washer or auxiliary magnet of the speaker; and the distance between the magnetic conductive part (4) and the auxiliary magnet or washer of the speaker is 0.2 to 2 mm.

5. The anti-floating voice coil gauge structure according to claim 1, characterized in that: The two ends of the magnetic conductive member (4) are respectively formed outwardly with a first bent portion (10) and a second bent portion (11); the first bent portion (10) is plugged into the first positioning hole (2); and the second bent portion (11) is plugged into the second positioning hole (3); the first positioning hole (2) and the second positioning hole (3) are arranged horizontally symmetrically.

6. The anti-floating voice coil gauge structure according to claim 1, characterized in that: The first bent portion and the second bent portion are both provided with rolling balls (12); during the installation process, the magnetic conductive member (4) slides into the first positioning hole (2) and the second positioning hole (3) along the inner wall of the cylinder (1) by means of the balls (12).

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