CN218648974U - Internal stay formula sound rule - Google Patents
Internal stay formula sound rule Download PDFInfo
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- CN218648974U CN218648974U CN202223125258.3U CN202223125258U CN218648974U CN 218648974 U CN218648974 U CN 218648974U CN 202223125258 U CN202223125258 U CN 202223125258U CN 218648974 U CN218648974 U CN 218648974U
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- conical surface
- voice coil
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Abstract
The utility model provides an internal stay formula sound rule belongs to stereo set production tool technical field. The body of including the tube-shape, the body has set gradually clamping part, last direction conical surface, tube-shape rule portion and the lower direction conical surface from top to bottom, and the big footpath end of going up the direction conical surface links up with the upper end of tube-shape rule portion down, and the big footpath end of the lower direction conical surface links up with the lower extreme of tube-shape rule portion up. The utility model has the advantages of convenient use, etc.
Description
Technical Field
The utility model belongs to the technical field of the stereo set production instrument, a internal stay formula sound rule is related to.
Background
The sound rule is voice coil loudspeaker voice coil location rule, is the instrument that is used for fixed voice coil loudspeaker voice coil when assembling the speaker, establishes the voice coil loudspeaker voice coil on the voice coil loudspeaker voice coil location rule, hits the glue at the outer wall of voice coil loudspeaker voice coil, then inserts the voice coil loudspeaker voice coil location rule together with the voice coil loudspeaker voice coil in the magnetic gap of stereo set, treats the laminating rigidity back of voice coil loudspeaker voice coil and stereo set skeleton, takes out the sound rule again and accomplishes the installation of voice coil loudspeaker voice coil promptly.
The voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil skeleton, enameled wire, reinforcement paper and lead to the silk thread, wholly is the thin wall tube-shape, and it is impaired to need to pay attention to take precautions against voice coil loudspeaker voice coil deformation, wearing and tearing and extrusion during the assembly, and current sound rule is as shown in figure 1, for the tubular structure who has the clamping part, utilizes slight frictional resistance between sound rule outer wall and the voice coil loudspeaker voice coil inner wall, realizes the fixed to the voice coil loudspeaker voice coil, and there is following problem in this kind of mode: 1. because the inner diameter of the voice coil is equivalent to the outer diameter of the voice gauge, the voice coil is relatively inconvenient to sleeve, and the voice coil is extruded to be damaged; 2. in order to adapt to the rhythm of an automatic production line, glue is solidified at an accelerated speed by generally adopting a drying and solidifying mode, the glue is in a normal-temperature state when a sound gauge is installed, the sound gauge is cooled after drying and solidifying, but the temperature after cooling is higher than the normal temperature, the resistance is larger when the sound gauge is taken out due to the heat expansion of the sound gauge of the plastic part, and the production efficiency is influenced if the sound gauge is completely cooled to the normal temperature; 3. the voice gauge is also influenced to be taken out, namely glue can be adhered to the voice gauge, and the glue is adhered to the voice gauge after overflowing from the upper edge and the lower edge of the voice coil, so that the voice coil can be easily pulled out when the voice gauge is taken out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists to current technique, provide an internal stay formula sound rule, the utility model aims to solve the technical problem of how avoid glue adhesion to cause the sound rule to be difficult to take out on the sound rule.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides an internal stay formula sound rule, its characterized in that, includes the body of tube-shape, and the body has set gradually clamping part, upper guide conical surface, tube-shape rule portion and the lower guide conical surface from top to bottom, the big footpath end of upper guide conical surface links up with the upper end of tube-shape rule portion down, the big footpath end of the lower guide conical surface links up with the lower extreme of tube-shape rule portion up.
Furthermore, a plurality of strength reducing structures are uniformly arranged on the body in the circumferential direction, each strength reducing structure comprises an avoiding groove longitudinally distributed on the cylindrical gauge part, an upper weakening groove arranged on the upper guide conical surface and a lower weakening groove arranged on the lower guide conical surface, and the avoiding groove, the upper weakening groove and the lower weakening groove all penetrate through the inner surface and the outer surface of the body; elastic deformation parts are respectively formed between adjacent upper weakening grooves on the upper guide conical surface and between adjacent lower weakening grooves on the lower guide conical surface.
The structure of stepping down is "worker" style of calligraphy, because the existence of the conical surface of last direction and the conical surface of leading down, the thickness that elastic deformation portion corresponds the position is less, no matter be plastics material or metal material manufacturing cost sound rule, can have the internal contraction of less range after the voice coil loudspeaker voice coil is established to the cover in elastic deformation portion, makes the voice coil loudspeaker voice coil can be fixed by the internal stay, has strengthened the fixed reliability of voice coil loudspeaker voice coil.
In addition, the voice coil is more portable due to the existence of the upper guide conical surface and the lower guide conical surface, and meanwhile, the upper edge and the lower edge of the voice coil are respectively positioned at the upper guide conical surface and the lower guide conical surface, so that even if glue coated on the outer wall surface of the voice coil overflows, the condition that the voice coil is bonded with a voice gauge cannot be caused, and the resistance is smaller when the voice coil is taken out; the prior art also has a fracture type elastic sound gauge, but the part of the voice coil internally supported is conical instead of cylindrical, so that the internal support shape-preserving effect of the voice coil is poor, the voice coil cannot be better attached to the mounting hole wall of the voice coil, and the solidification of glue and the uniformity of the glue are affected.
Drawings
Fig. 1 is a schematic structural diagram of a prior art voice gauge.
Fig. 2 is a schematic structural diagram of the internal bracing type voice gauge.
Fig. 3 is a schematic structural view of the inner-bracing voice gauge after being sleeved with a voice coil.
In the figure, 1, a clamping part; 2. an upper guiding conical surface; 3. a cylindrical gauge part; 4. a lower guide conical surface; 5. an avoidance groove; 6. an upper weakening groove; 7. a lower weakening groove; 8. an elastic deformation part.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 2 and 3, the inner support type voice gauge comprises a cylindrical body, the body is sequentially provided with a clamping part 1, an upper guiding conical surface 2, a cylindrical gauge part 3 and a lower guiding conical surface 4 from top to bottom, the large-diameter end of the upper guiding conical surface 2 faces downwards to be connected with the upper end of the cylindrical gauge part 3, and the large-diameter end of the lower guiding conical surface 4 faces upwards to be connected with the lower end of the cylindrical gauge part 3.
A plurality of strength reducing structures are uniformly arranged on the body in the circumferential direction, each strength reducing structure comprises an avoiding groove 5 longitudinally distributed on the cylindrical gauge part 3, an upper weakening groove 6 arranged on the upper guide conical surface 2 and a lower weakening groove 7 arranged on the lower guide conical surface 4, and the avoiding groove 5, the upper weakening groove 6 and the lower weakening groove 7 penetrate through the inner surface and the outer surface of the body; elastic deformation parts 8 are respectively formed between adjacent upper weakening grooves 6 on the upper guide conical surface 2 and between adjacent lower weakening grooves 7 on the lower guide conical surface 4.
The structure of stepping down is "worker" style of calligraphy, because the existence of the conical surface of going up direction 2 and the conical surface of leading down 4, the thickness that elastic deformation portion 8 corresponds the position is less, no matter be plastics material or metal material system cost sound rule, can have the internal shrinkage of less range after the voice coil loudspeaker voice coil is established to the cover in elastic deformation portion 8, makes the voice coil loudspeaker voice coil can be fixed by the internal stay, has strengthened the fixed reliability of voice coil loudspeaker voice coil.
In addition, the voice coil is more portable due to the existence of the upper guide conical surface 2 and the lower guide conical surface 4, and meanwhile, the voice coil is not bonded with the voice gauge even if glue coated on the outer wall surface of the voice coil overflows because the upper edge and the lower edge of the voice coil are respectively positioned at the upper guide conical surface 2 and the lower guide conical surface 4, so that the resistance is lower when the voice coil is taken out; the prior art also has a fracture type elastic sound gauge, but the part of the voice coil internally supported is conical instead of cylindrical, so that the internal support shape-preserving effect of the voice coil is poor, the voice coil cannot be better attached to the mounting hole wall of the voice coil, and the solidification of glue and the uniformity of the glue are affected.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (2)
1. The utility model provides an internal stay formula sound rule, its characterized in that, includes the body of tube-shape, and the body has set gradually clamping part (1), has gone up direction conical surface (2), tube-shape rule portion (3) and down direction conical surface (4) from top to bottom, the big footpath end of going up direction conical surface (2) links up with the upper end of tube-shape rule portion (3) down, the big footpath end of direction conical surface (4) is held up and is linked up with the lower extreme of tube-shape rule portion (3) down.
2. The internally-supporting type compass according to claim 1, wherein a plurality of reinforcement structures are uniformly arranged on the body in the circumferential direction, the reinforcement structures comprise avoidance grooves (5) longitudinally distributed on the cylindrical compass part (3), upper weakening grooves (6) arranged on the upper guiding conical surface (2) and lower weakening grooves (7) arranged on the lower guiding conical surface (4), and the avoidance grooves (5), the upper weakening grooves (6) and the lower weakening grooves (7) penetrate through the inner surface and the outer surface of the body; an elastic deformation part (8) is respectively formed between the adjacent upper weakening grooves (6) on the upper guide conical surface (2) and between the adjacent lower weakening grooves (7) on the lower guide conical surface (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223125258.3U CN218648974U (en) | 2022-11-22 | 2022-11-22 | Internal stay formula sound rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223125258.3U CN218648974U (en) | 2022-11-22 | 2022-11-22 | Internal stay formula sound rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648974U true CN218648974U (en) | 2023-03-17 |
Family
ID=85498358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223125258.3U Active CN218648974U (en) | 2022-11-22 | 2022-11-22 | Internal stay formula sound rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648974U (en) |
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2022
- 2022-11-22 CN CN202223125258.3U patent/CN218648974U/en active Active
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