CN213462294U - Loudspeaker diaphragm and loudspeaker - Google Patents
Loudspeaker diaphragm and loudspeaker Download PDFInfo
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- CN213462294U CN213462294U CN202023066898.2U CN202023066898U CN213462294U CN 213462294 U CN213462294 U CN 213462294U CN 202023066898 U CN202023066898 U CN 202023066898U CN 213462294 U CN213462294 U CN 213462294U
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- loudspeaker
- fixedly connected
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- support
- push rod
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Abstract
The utility model discloses a loudspeaker diaphragm and a loudspeaker, which comprises a fixed seat, wherein the outer surface of the upper end of the fixed seat is provided with a buffer cavity, the rear end of the inner surface of the buffer cavity is provided with a rotary groove, the interior of the rotary groove is rotatably connected with a rotary rod, the outer surface of the front end of the rotating rod is fixedly connected with a bracket, the annular outer surface of the rotating rod is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the buffer cavity, the other end of the torsion spring is fixedly connected with the bracket, an air pipe is arranged in the bracket, a filter screen is fixedly connected inside the air pipe, a magnet is fixedly connected on the outer surface of the upper end of the bracket, the annular outer surface of the magnet is sleeved with a cylinder, the annular outer surface of the cylinder is wound with a coil, the outer surface of the lower end of the cylinder is fixedly connected with a push rod, a cavity is formed between the push rod and the magnet, and the powered loudspeaker drives the push rod to reciprocate up and down to compress air in the cavity so as to clean the surface of the vibration film.
Description
Technical Field
The utility model belongs to the technical field of the speaker technique and specifically relates to a loudspeaker diaphragm and speaker are related to.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, is quite wide in application in reality, is applied to court, bar, automobile and the like, can be said that the place with sound production equipment has the existence of the loudspeaker, and is different due to different practical places and environments of the vibration film material, most of the loudspeakers can play music in proper occasions, and part of the loudspeakers can be used for providing alarm to warn people.
In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: 1. the electric vehicle gives a warning to passers-by through the loudspeaker when running normally, and because the electric vehicle is convenient to use in daily life, most of workers on a construction site can use the electric vehicle to go to work, the environment of the construction site contains a large amount of dust, the dust can be attached to the outer surface and internal parts of the electric vehicle, and the sound production can be influenced if the dust is attached to the surface of the loudspeaker; 2. the driving road section of the electric vehicle is complex, although the electric vehicle is provided with the damping device, the vehicle body can still have the condition of shaking up and down, and the loudspeaker and the electric vehicle can be damaged by violent shaking, so that the normal use of the loudspeaker is influenced.
Therefore, a loudspeaker diaphragm and a loudspeaker are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a loudspeaker diaphragm and speaker to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a loudspeaker diaphragm and speaker, includes the fixing base, the cushion chamber has been seted up to the upper end surface of fixing base, the turn trough has been seted up to the internal surface rear end of cushion chamber, the inside rotation of turn trough is connected with the bull stick, the front end surface fixed connection of bull stick has the support, torsion spring has been cup jointed to the annular surface of bull stick, torsion spring's one end and cushion chamber fixed connection, the other end and support fixed connection, the inside trachea of having seted up of support, tracheal inside fixedly connected with filter screen, the upper end surface fixed connection of support has magnet, the annular surface of magnet has cup jointed the drum, and the annular surface winding of drum has the coil, and the lower extreme surface fixed connection of drum has the push rod, the cavity has been seted up between push rod and the magnet.
Through adopting above-mentioned technical scheme, the speaker can vibrate at the promotion of drum after the circular telegram vibrating diaphragm, thereby the sound production, drum annular surface winding wire, circular telegram back drum reciprocates along magnet, the drum that reciprocates drives fixed connection push rod with it and reciprocates, the push rod blows the vibrating diaphragm surface along the trachea with the inside air extrusion of cavity through the filter screen, prevent that the dust from piling up and influencing the sound production at vibrating diaphragm surface, the user passes through the threaded rod with the fixing base and vertically fixes inside the electric motor car, when the electric motor car receives and rocks, the support floats about as the center through a bull stick at the inside bull stick of buffer chamber through the bull stick, absorb the impact that external force brought.
Preferably, the rotating rod and the rotating groove are both in T-shaped structural design and are matched with each other correspondingly.
Through adopting above-mentioned technical scheme, the bull stick of T shape structural design rotates at the turn trough inside, and can not drop, and the support uses the mid point of bull stick to overturn from top to bottom as the center.
Preferably, the support and the buffer cavity are both designed in a rectangular structure, and the support and the buffer cavity are matched with each other correspondingly and are movably connected with the rotary groove through the rotary rod.
Through adopting above-mentioned technical scheme, the support absorbs the electric motor car through bull stick and torsion spring and appears rocking the external force that brings inside the cushion chamber.
Preferably, the air pipe corresponds to the cavity, the push rod is designed to be of a T-shaped structure, and the push rod and the cavity are matched with each other correspondingly.
Through adopting above-mentioned technical scheme, the push rod of T shape structural design can the inside air of the compression cavity of maximum area, blows the vibrating diaphragm surface after like the trachea with air pressure.
Preferably, threaded holes are formed in four corners of the outer surface of the upper end of the fixing seat.
Through adopting above-mentioned technical scheme, the user is with the vertical inside placing of fixing base in electric motor car, fixes it through screw hole and bolt and makes the speaker fixed comparatively firm.
Preferably, the inner surface of the support is fixedly connected with a vibration membrane, and the vibration membrane is made of composite plastic.
By adopting the technical scheme, the vibrating diaphragm made of the composite plastic is durable in use and has remarkable heat and corrosion resistance effects.
Compared with the prior art, the beneficial effects of the utility model are that:
the outer surface of the lower end of the cylinder is fixedly connected with a push rod, the push rod surrounds a circle of the magnet, a cavity is formed between the outer surface of the lower end of the push rod and the outer surface of the upper end of the bracket, the push rods are arranged in the cavity and are matched with each other correspondingly, after a user powers on the loudspeaker, a lead wound on the outer surface of the cylinder forms a magnetic field, the lead reciprocates up and down under the action of the magnet, the cylinder reciprocates to drive the push rod to move to compress air in the cavity, the air is discharged along an air pipe, and the surface of the vibration membrane is blown and cleaned, so that the surface of the vibration membrane is cleaned by power generated by the loudspeaker when the loudspeaker generates sound;
a buffer cavity is formed in the fixed seat, a rotary groove is formed in the rear end of the inner surface of the buffer cavity, the rotary groove is connected with a rotary rod in a rotating mode, and one end of a torsion spring sleeved on the annular outer surface of the rotary rod is fixedly connected with the buffer cavity. The other end and support fixed connection, when the electric motor car went in the section of pot-and-hole depression, the vehicle appeared rocking from top to bottom, and the support uses the mid point of bull stick to turn as the center, can absorb the external force of rocking from top to bottom through torsion spring, makes the support can automatic re-setting through torsion spring, makes the electric motor car speaker can effectual absorption external force through torsion spring when receiving external force through this structure, can reduce the speaker and receive the influence of external force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a view of the overall structure of the present invention;
FIG. 2 is a combination view of the bracket and the fixing base of the present invention;
FIG. 3 is a combination view of the rotary rod and the buffer chamber of the present invention;
fig. 4 is an enlarged view of the present invention at B in fig. 2;
fig. 5 is an enlarged view of the position a in fig. 2 according to the present invention.
Description of reference numerals:
1. a support; 11. a vibrating membrane; 12. an air tube; 13. a filter screen; 2. a fixed seat; 21. a buffer chamber; 22. rotating the groove; 23. a rotating rod; 24. a torsion spring; 31. a push rod; 32. a cavity; 4. and a magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
as shown in fig. 1 to 5, a loudspeaker diaphragm and a loudspeaker include a fixing base 2, a buffer chamber 21 is disposed on an outer surface of an upper end of the fixing base 2, the rear end of the inner surface of the buffer cavity 21 is provided with a rotary groove 22, a rotary rod 23 is rotatably connected in the rotary groove 22, the outer surface of the front end of the rotating rod 23 is fixedly connected with the bracket 1, the annular outer surface of the rotating rod 23 is sleeved with a torsion spring 24, one end of the torsion spring 24 is fixedly connected with the buffer cavity 21, the other end is fixedly connected with the bracket 1, an air pipe 12 is arranged in the bracket 1, a filter screen 13 is fixedly connected in the air pipe 12, the outer surface of the upper end of the support 1 is fixedly connected with a magnet 4, the annular outer surface of the magnet 4 is sleeved with a cylinder, a coil is wound on the annular outer surface of the cylinder, a push rod 31 is fixedly connected with the outer surface of the lower end of the cylinder, and a cavity 32 is formed between the push rod 31 and the magnet 4.
Through adopting above-mentioned technical scheme, the speaker can vibrate at the promotion of drum 11 after the circular telegram, thereby the sound production, drum annular surface winding wire, circular telegram back drum reciprocates along magnet 4, the drum that reciprocates drives fixed connection push rod 31 with it and reciprocates, push rod 31 blows 11 surfaces of vibrating diaphragm along trachea 12 inside air extrusion of cavity 32 through filter screen 13, prevent that the dust from piling up 11 surface influence phonations at the vibrating diaphragm, the user passes through the threaded rod with fixing base 2 and vertically fixes inside the electric motor car, when the electric motor car receives and rocks, support 1 floats about the center at inside bull stick 23 of cushion chamber 21 through bull stick 23, absorb the impact that external force brought.
Specifically, as shown in fig. 3, the rotating rod 23 and the rotating groove 22 are both in a T-shaped structural design and are matched with each other, the rotating rod 23 in the T-shaped structural design rotates inside the rotating groove 22 and cannot fall off, and the support 1 is turned over up and down by taking the middle point of the rotating rod 23 as the center.
Specifically, as shown in fig. 3 and 2, the support 1 and the buffer cavity 21 are both designed in a rectangular structure, the support 1 and the buffer cavity 21 are correspondingly matched with each other and movably connected with the rotary groove 22 through the rotary rod 23, and the support 1 absorbs external force caused by shaking of the electric vehicle through the rotary rod 23 and the torsion spring 24 inside the buffer cavity 21.
Specifically, as shown in fig. 4 and 2, the air tube 12 corresponds to the cavity 32, the push rod 31 is designed in a T-shape, and the push rod 31 and the cavity 32 are matched with each other, and the push rod 31 with the T-shape can compress the air in the cavity 32 in the largest area, so as to blow the air such as the air tube 12 to the surface of the diaphragm 11.
Specifically, as shown in fig. 1, threaded holes are formed in four corners of the outer surface of the upper end of the fixing seat 2, a user vertically places the fixing seat 2 inside the electric vehicle, and the fixing seat is fixed through the threaded holes and the bolts so that the loudspeaker is fixed stably.
Specifically, as shown in fig. 1 and 2, a diaphragm 11 is fixedly connected to an inner surface of the bracket 1, the diaphragm 11 is made of composite plastic, and the diaphragm 11 made of composite plastic is durable and has significant heat and corrosion resistance.
The working principle is as follows: by fixedly connecting a push rod 31 to the outer surface of the lower end of a cylinder, the push rod 31 surrounds a magnet 4 for a circle, a cavity 32 is formed between the outer surface of the lower end of the push rod 31 and the outer surface of the upper end of a bracket 1, the push rod 31 is arranged in the cavity 32 and matched with the cavity correspondingly, after a user powers on a loudspeaker, a magnetic field is formed by a lead wound on the outer surface of the cylinder, the lead reciprocates up and down under the action of the magnet 4, the reciprocating cylinder drives the push rod 31 to move to compress air in the cavity 32, the air is discharged along an air pipe 12 to blow and clean the surface of a vibration film 11, the surface of the vibration film 11 is cleaned by a power source generated by the loudspeaker when the loudspeaker generates sound, the service life of the loudspeaker is prolonged, the buffer cavity 21 is formed in a fixing seat 2, the rotary groove 22 is formed in the rear end of the inner surface of the, one end of a torsion spring 24 sleeved on the annular outer surface of the rotating rod 23 is fixedly connected with the buffer cavity 21. The other end and support 1 fixed connection, when the electric motor car went in the section of pot and hole hollow, the vehicle appeared rocking from top to bottom, and support 1 uses the mid point of bull stick 23 to turn as the center, can absorb the external force of rocking from top to bottom through torsion spring 24, makes support 1 can automatic re-setting through torsion spring 24, makes the electric motor car speaker can effectual absorption external force through torsion spring 24 when receiving external force through this structure, can reduce the speaker and receive the influence of external force.
The using method comprises the following steps: the loudspeaker is powered on, electricity forms a magnetic field after being wound on a wire on the annular outer surface of the cylinder and is mutually attracted and repelled with the magnet 4, the cylinder floats up and down, the cylinder drives the push rod 31 to compress air in the cavity 32 and push the air out of the air pipe 12 through the filter screen 13 to blow the vibration film 11, dust is cleaned, the buffer cavity 21 is formed in the fixing seat 2, the rotating rod 23 is movably connected with the buffer cavity 21, the rotating rod 23 is fixedly connected with the support 1, when the loudspeaker is subjected to external force, the support 1 is overturned by taking the middle point of the rotating rod 23 as the center, and the force of the loudspeaker, which is shaken up and down, can be absorbed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a loudspeaker diaphragm and speaker, includes fixing base (2), its characterized in that: the outer surface of the upper end of the fixing seat (2) is provided with a buffer cavity (21), the rear end of the inner surface of the buffer cavity (21) is provided with a rotating groove (22), the rotating groove (22) is internally and rotatably connected with a rotating rod (23), the outer surface of the front end of the rotating rod (23) is fixedly connected with a support (1), the annular outer surface of the rotating rod (23) is sleeved with a torsion spring (24), one end of the torsion spring (24) is fixedly connected with the buffer cavity (21), the other end of the torsion spring is fixedly connected with the support (1), the support (1) is internally provided with an air pipe (12), the inner part of the air pipe (12) is fixedly connected with a filter screen (13), the outer surface of the upper end of the support (1) is fixedly connected with a magnet (4), the annular outer surface of the magnet (4) is sleeved with a cylinder, the annular outer surface of the, a cavity (32) is arranged between the push rod (31) and the magnet (4).
2. The loudspeaker diaphragm and loudspeaker of claim 1, wherein: the rotating rod (23) and the rotating groove (22) are both designed in a T-shaped structure and are matched with each other correspondingly.
3. The loudspeaker diaphragm and loudspeaker of claim 1, wherein: support (1) and cushion chamber (21) all are the design of rectangle structure, support (1) and cushion chamber (21) correspond each other and match and pass through bull stick (23) and rotary trough (22) swing joint.
4. The loudspeaker diaphragm and loudspeaker of claim 1, wherein: the air pipe (12) corresponds to the cavity (32), the push rod (31) is designed to be of a T-shaped structure, and the push rod and the cavity (32) are matched with each other correspondingly.
5. The loudspeaker diaphragm and loudspeaker of claim 1, wherein: threaded holes are formed in four corners of the outer surface of the upper end of the fixed seat (2).
6. The loudspeaker diaphragm and loudspeaker of claim 1, wherein: the inner surface of the support (1) is fixedly connected with a vibration film (11), and the vibration film (11) is made of composite plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066898.2U CN213462294U (en) | 2020-12-18 | 2020-12-18 | Loudspeaker diaphragm and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066898.2U CN213462294U (en) | 2020-12-18 | 2020-12-18 | Loudspeaker diaphragm and loudspeaker |
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| Publication Number | Publication Date |
|---|---|
| CN213462294U true CN213462294U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066898.2U Active CN213462294U (en) | 2020-12-18 | 2020-12-18 | Loudspeaker diaphragm and loudspeaker |
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| CN (1) | CN213462294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613149B (en) * | 2021-08-31 | 2023-09-12 | 安徽井利电子有限公司 | High-toughness anti-distortion cone and manufacturing process thereof |
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2020
- 2020-12-18 CN CN202023066898.2U patent/CN213462294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613149B (en) * | 2021-08-31 | 2023-09-12 | 安徽井利电子有限公司 | High-toughness anti-distortion cone and manufacturing process thereof |
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