CN113473274A - Audio device with noise reduction function - Google Patents
Audio device with noise reduction function Download PDFInfo
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- CN113473274A CN113473274A CN202110564905.1A CN202110564905A CN113473274A CN 113473274 A CN113473274 A CN 113473274A CN 202110564905 A CN202110564905 A CN 202110564905A CN 113473274 A CN113473274 A CN 113473274A
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- China
- Prior art keywords
- wall
- fixedly connected
- slot
- limiting
- ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Abstract
The invention discloses audio equipment with a noise reduction function, and relates to the field of audio equipment. This audio equipment with function of making an uproar falls, including box and protection ring, loudspeaker and two solid fixed cylinders are inlayed in the front of box, ring groove has been seted up in the front of box, just gu the fixed cylinder symmetry sets up the both sides at ring groove, the slot has been seted up in the front of solid fixed cylinder, just gu the surface of fixed cylinder has seted up constant head tank and spacing groove, sliding connection has the sliding plate on the inner wall of slot, first telescopic shaft of fixedly connected with and spacing spring between the inner diapire of sliding plate and solid fixed cylinder. This audio equipment with function of making an uproar falls, spacing spring bounce-back has promoted the stopper and has removed towards the constant head tank in, can outwards stimulate the protection ring this moment for the stopper breaks away from the spacing groove, and the inserted block breaks away from the slot, and the rubber ring breaks away from ring groove, can clear up protection screen panel and loudspeaker.
Description
Technical Field
The invention relates to the technical field of audio equipment, in particular to audio equipment with a noise reduction function.
Background
The audio equipment is a general name for audio input and output equipment, and includes many types of products, which can be generally divided into a power amplifier, a sound box, a multimedia console, a digital sound console, an audio sampling card, a synthesizer, a medium-high frequency sound box, a microphone, a sound card in a PC, an earphone, and the like.
The audio equipment that uses the most among the daily life is the audio amplifier, the audio amplifier generally all can be provided with the dust cover when producing, thereby play effectual dustproof effect to the loudspeaker of audio amplifier, but in some big regions of sand blown by the wind, even there is the dust cover, still can have tiny dust to pass the dust cover and carry out piling up on the loudspeaker, the dust enters into and probably causes the audio amplifier noise to appear in the loudspeaker, simultaneously the dust is gone into to the same easy card in the clearance of dust cover, go into too much dust when the clearance is gone into, probably cause the propagation of sound, consequently often need dismantle the dust cover, wash it, but current dust cover is fixed in the front of audio amplifier usually, non professional hardly dismantles it and installs again, therefore we have provided an audio equipment who has the function of making an uproar.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention discloses an audio device with noise reduction function to solve the problems set forth in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an audio device with a noise reduction function comprises a box body and a protection ring, wherein a loudspeaker and two fixed cylinders are embedded in the front of the box body, an annular clamping groove is formed in the front of the box body, the fixed cylinders are symmetrically arranged on two sides of the annular clamping groove, slots are formed in the front of the fixed cylinders, positioning grooves and limiting grooves are formed in the outer surfaces of the fixed cylinders, the slots, the positioning grooves and the limiting grooves are communicated, a sliding plate is connected to the inner wall of each slot in a sliding mode, a first telescopic shaft and a limiting spring are fixedly connected between the sliding plate and the inner bottom wall of each fixed cylinder, and the limiting spring is movably sleeved on the outer surface of the first telescopic shaft;
the back fixedly connected with rubber ring of protection ring, just the rubber ring closely laminates with ring groove's inner wall, four connecting rods of the inner wall fixedly connected with of protection ring, and through connecting rod fixedly connected with fixed blocks, be provided with the protection screen panel between protection ring and four connecting rods, two supporting shoes of the bilateral symmetry fixedly connected with of protection ring, the back of supporting shoe rotates and is connected with the dwang, the one end of dwang is connected with drive assembly, just the other end fixedly connected with inserted block of dwang, the surface of inserted block laminates with the inner wall of slot mutually, the outer fixed surface of inserted block is connected with the stopper, the stopper laminates with the inner wall of constant head tank mutually.
Preferably, both sides and the top of box all are provided with the metal sheet, and the quantity of metal sheet sets up to three.
Preferably, the inner wall of the slot is symmetrically and fixedly connected with two sliding chutes, the edges and corners of the sliding plate are symmetrically and fixedly connected with two sliding blocks, and the two sliding blocks are respectively connected with the two sliding chutes in a sliding manner.
Preferably, the outer walls of the two sides of the box body are fixedly connected with a plurality of first sleeves, the side walls of the three metal plates are fixedly connected with a plurality of second sleeves, and the outer walls of the second sleeves are slidably connected with the inner walls of the first sleeves.
Preferably, a second telescopic shaft and a damping spring are fixedly connected between the inner wall of the first sleeve and the inner wall of the second sleeve, and the damping spring is movably sleeved on the outer surface of the second telescopic shaft.
Preferably, the transmission assembly includes the main shaft, the one end of main shaft is rotated and is connected on the inner wall of fixed block, and the other end of main shaft passes the outer wall of fixed block and extends and fixedly connected with knob to the external world, the fixed cover of surface that the main shaft is in the inside of fixed block has cup jointed first conical gear, first conical gear meshing is connected with two second conical gears, first conical gear's one end fixedly connected with transfer line is kept away from to second conical gear, just the transfer line runs through the connecting rod and extends to the inside of supporting shoe, and fixed cup joint has third conical gear, the tip of dwang is rotated and is connected on the inner wall of supporting shoe, and fixed cup joint has fourth conical gear, just third conical gear and fourth conical gear meshing are connected.
Preferably, the two second bevel gears and the two third bevel gears are symmetrically arranged.
The invention discloses audio equipment with a noise reduction function, which has the following beneficial effects:
1. this audio equipment with function of making an uproar falls, slot through setting up, the constant head tank, the spacing groove, the sliding plate, the protection ring, spacing spring, the inserted block, the stopper, when dismantling guard net cover, promote the protection ring towards the direction of box, make the inserted block remove towards the inside of slot, compress spacing spring, make spacing spring be in compression state, then rotate the knob, through transmission assembly, make two inserted blocks rotate simultaneously, make the stopper remove towards the notch department of constant head tank, move the notch department of constant head tank until the stopper, the spacing spring of compressing is rebounded up before, the stopper has been promoted and has moved towards in the constant head tank, can outwards stimulate the protection ring this moment, make the stopper break away from the spacing groove, the inserted block breaks away from the slot, the rubber ring breaks away from ring groove, can clear up guard net cover and loudspeaker.
2. This audio equipment with function of making an uproar falls through the rubber ring and the ring groove that set up, under the effect of spacing spring elasticity for the stopper can't break away from the spacing groove, thereby fixes the inserted block in the slot, and the rubber ring is fixed in ring groove, thereby makes protection ring and its inside protection screen panel cover on loudspeaker, thereby has played effectual dustproof effect to loudspeaker.
3. This audio equipment with function of making an uproar is fallen, through the metal sheet that sets up, can effectively reduce the electromagnetic wave interference that communication equipment receiving and dispatching signal produced like this, avoid the audio amplifier the condition of noise to appear, simultaneously, when the box receives the collision, strike the metal sheet, make the second sleeve remove towards first telescopic inside, compressed second telescopic shaft and damping spring, thereby make damping spring absorb the impact force, effectual shock attenuation effect has been played, effectual guard action has been played metal sheet and box.
4. This audio equipment with function of making an uproar is fallen, through the first conical gear that sets up, second conical gear, third conical gear and fourth conical gear, because of first conical gear is connected with two second conical gear meshing, and two second conical gear symmetries set up, thereby the main shaft rotates and to drive two second conical gear opposite direction and rotate, and then has taken two transfer line opposite direction to rotate, make two third conical gear opposite direction rotate simultaneously, and two third conical gear symmetries set up, make two third conical gear drive two fourth conical gear syntropys, thereby make two dwang syntropys rotate.
5. This audio equipment with function of making an uproar is fallen through spout and the slider that sets up to make the sliding plate can only carry out rectilinear movement on the inner wall of slot, the sliding plate can't rotate, thereby has played effectual guard action to first telescopic shaft and spacing spring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of the joint of the fixing cylinder and the insert block according to the present invention;
FIG. 5 is a schematic view of a guard ring according to the present invention;
FIG. 6 is a schematic view of the inner structure of the guard ring of the present invention;
FIG. 7 is a schematic view of a guard ring portion of the present invention
Fig. 8 is a schematic structural view of the junction of the first sleeve and the second sleeve of the present invention.
In the figure: 1. a box body; 101. a horn; 102. an annular neck; 103. a fixed cylinder; 104. a slot; 105. positioning a groove; 106. a limiting groove; 107. a first telescopic shaft; 108. a sliding plate; 109. a limiting spring; 110. a metal plate; 111. a chute; 112. a slider; 113. a first sleeve; 114. a second sleeve; 115. a second telescopic shaft; 116. a damping spring; 2. a guard ring; 201. a rubber ring; 202. a connecting rod; 203. a fixed block; 204. a protective mesh enclosure; 205. a support block; 206. rotating the rod; 207. inserting a block; 208. a limiting block; 3. a main shaft; 301. a first bevel gear; 302. a second bevel gear; 303. a transmission rod; 304. a third bevel gear; 305. a fourth bevel gear.
Detailed Description
The first embodiment is as follows:
the embodiment of the invention discloses audio equipment with a noise reduction function, which comprises a box body 1 and a protection ring 2, wherein a loudspeaker 101 and two fixed cylinders 103 are embedded in the front surface of the box body 1, the front surface of the box body 1 is provided with an annular clamping groove 102, the fixed cylinders 103 are symmetrically arranged at two sides of the annular clamping groove 102, the front surface of the fixed cylinder 103 is provided with a slot 104, the outer surface of the fixed cylinder 103 is provided with a positioning groove 105 and a limiting groove 106, the slot 104, the positioning groove 105 and the limiting groove 106 are communicated, the inner wall of the slot 104 is connected with a sliding plate 108 in a sliding manner, a first telescopic shaft 107 and a limiting spring 109 are fixedly connected between the sliding plate 108 and the inner bottom wall of the fixed cylinder 103, and the limiting spring 109 is movably sleeved on the outer surface of the first telescopic shaft 107;
the back of the protection ring 2 is fixedly connected with a rubber ring 201, the rubber ring 201 is tightly attached to the inner wall of the ring slot 102, the inner wall of the protection ring 2 is fixedly connected with four connecting rods 202, a fixing block 203 is fixedly connected through the connecting rods 202, a protection net cover 204 is arranged between the protection ring 2 and the four connecting rods 202, two supporting blocks 205 are symmetrically and fixedly connected to two sides of the protection ring 2, the back of each supporting block 205 is rotatably connected with a rotating rod 206, one end of the rotating rod 206 is connected with a transmission component, the other end of the rotating rod 206 is fixedly connected with an inserting block 207, the outer surface of the inserting block 207 is attached to the inner wall of the slot 104, the outer surface of the inserting block 207 is fixedly connected with a limiting block 208, the limiting block 208 is attached to the inner wall of the locating slot 105, and the rubber ring 2, the limiting spring 109, the inserting block 207 and the limiting block 208 are arranged through the slot 104, the locating slot 105, the limiting slot 106, the sliding plate 108, when the protective net cover 204 is detached, the protective ring 2 is pushed towards the box body 1, the inserting blocks 207 move towards the inside of the inserting grooves 104, the limiting springs 109 are compressed, the limiting springs 109 are in a compressed state, then the knobs are rotated, the two inserting blocks 207 are simultaneously rotated through the transmission assembly, the limiting blocks 208 move towards the notches of the positioning grooves 105 until the limiting blocks 208 move to the notches of the positioning grooves 105, the limiting springs 109 compressed before rebound, the limiting blocks 208 are pushed to move towards the positioning grooves 105, the protective ring 2 can be pulled outwards at the moment, the limiting blocks 208 are separated from the limiting grooves 106, the inserting blocks 207 are separated from the inserting grooves 104, the rubber rings 201 are separated from the annular clamping grooves 102, and the protective net cover 204 and the horn 101 can be cleaned.
Two chutes 111 of symmetry fixedly connected with on the inner wall of slot 104, two sliders 112 of the edges and corners symmetry fixedly connected with of sliding plate 108, and two sliders 112 respectively with two chutes 111 sliding connection, through the spout 111 and the slider 112 that set up, thereby make sliding plate 108 can only carry out rectilinear movement on the inner wall of slot 104, sliding plate 108 can't rotate, thereby played effectual guard action to first telescopic shaft 107 and spacing spring 109.
The transmission assembly comprises a main shaft 3, one end of the main shaft 3 is rotatably connected to the inner wall of the fixing block 203, the other end of the main shaft 3 penetrates through the outer wall of the fixing block 203 to extend to the outside and is fixedly connected with a knob, a first bevel gear 301 is fixedly sleeved on the outer surface of the main shaft 3 in the fixing block 203, the first bevel gear 301 is connected with two second bevel gears 302 in a meshed mode, one end, far away from the first bevel gear 301, of the second bevel gear 302 is fixedly connected with a transmission rod 303, the transmission rod 303 penetrates through the connecting rod 202 to extend to the inside of the supporting block 205 and is fixedly sleeved with a third bevel gear 304, the end of the transmission rod 206 is rotatably connected to the inner wall of the supporting block 205 and is fixedly sleeved with a fourth bevel gear 305, and the third bevel gear 304 and the fourth bevel gear 305 are connected in a meshed mode.
The two second bevel gears 302 and the two third bevel gears 304 are symmetrically arranged.
In the using process, firstly, the protection ring 2 is erected and is positioned on the front surface of the box body 1, the two insertion blocks 207 are respectively positioned at the notch positions of the insertion grooves 104, the knob is rotated to drive the main shaft 3 to rotate, so that the first bevel gear 301 on the outer surface rotates along with the rotation, the first bevel gear 301 is meshed with the two second bevel gears 302, the two second bevel gears 302 are symmetrically arranged, the two second bevel gears 302 are driven to rotate in opposite directions, the two transmission rods 303 are driven to rotate in opposite directions, the two third bevel gears 304 are symmetrically arranged, the two third bevel gears 304 drive the two fourth bevel gears 305 to rotate in the same direction, and the two rotating rods 206 rotate in the same direction;
when the two rotating rods 206 rotate, the two inserting blocks 207 are respectively driven to rotate until the limiting block 208 is positioned at the leftmost side and positioned at the notch of the positioning groove 105, then the protection ring 2 is pushed towards the box body 1, so that the rubber ring 201 is clamped into the annular clamping groove 102, the inserting blocks 207 and the limiting block 208 respectively enter the inserting groove 104 and the positioning groove 105, and when the inserting blocks 207 move in the inserting groove 104, the inserting blocks contact the sliding plate 108 and push the sliding plate 108 to compress the limiting spring 109, so that the limiting spring 109 is in a compressed state;
then, the knob is rotated reversely, the two inserting blocks 207 are rotated reversely at the same time, the limiting block 208 moves towards the notch of the limiting groove 106 until the limiting block 208 moves to the notch of the limiting groove 106, the limiting spring 109 compressed before rebounds to push the limiting block 208 to move towards the limiting groove 106, and under the action of the elastic force of the limiting spring 109, the limiting block 208 cannot be separated from the limiting groove 106, so that the inserting blocks 207 are fixed in the inserting grooves 104, the rubber ring 201 is fixed in the annular clamping groove 102, the protection ring 2 and the protection net cover 204 in the protection ring 2 are covered on the loudspeaker 101, and effective dustproof effect is achieved on the loudspeaker 101;
when the protective mesh enclosure 204 is detached, the protective ring 2 is pushed towards the box body 1, the insertion blocks 207 move towards the inside of the slot 104, the limiting springs 109 are compressed, the limiting springs 109 are in a compressed state, then the knob is rotated, the actions are repeated, the two insertion blocks 207 simultaneously rotate, the limiting blocks 208 move towards the notches of the positioning grooves 105 until the limiting blocks 208 move to the notches of the positioning grooves 105, the limiting springs 109 compressed before rebound, the limiting blocks 208 are pushed to move towards the positioning grooves 105, the protective ring 2 can be pulled outwards at the moment, the limiting blocks 208 are separated from the limiting grooves 106, the insertion blocks 207 are separated from the slot 104, the rubber ring 201 is separated from the annular clamping groove 102, and the protective mesh enclosure 204 and the horn 101 can be cleaned.
Example two:
the embodiment of the invention discloses audio equipment with a noise reduction function, which comprises a box body 1 and a protection ring 2, wherein a loudspeaker 101 and two fixed cylinders 103 are embedded in the front surface of the box body 1, the front surface of the box body 1 is provided with an annular clamping groove 102, the fixed cylinders 103 are symmetrically arranged at two sides of the annular clamping groove 102, the front surface of the fixed cylinder 103 is provided with a slot 104, the outer surface of the fixed cylinder 103 is provided with a positioning groove 105 and a limiting groove 106, the slot 104, the positioning groove 105 and the limiting groove 106 are communicated, the inner wall of the slot 104 is connected with a sliding plate 108 in a sliding manner, a first telescopic shaft 107 and a limiting spring 109 are fixedly connected between the sliding plate 108 and the inner bottom wall of the fixed cylinder 103, and the limiting spring 109 is movably sleeved on the outer surface of the first telescopic shaft 107;
the back of the protection ring 2 is fixedly connected with a rubber ring 201, the rubber ring 201 is tightly attached to the inner wall of the ring groove 102, the limiting block 208 cannot be separated from the limiting groove 106 under the action of the elastic force of the limiting spring 109 through the arranged rubber ring 201 and the ring groove 102, so that the plug-in block 207 is fixed in the slot 104, the rubber ring 201 is fixed in the ring groove 102, so that the protection ring 2 and the protection net cover 204 therein are covered on the loudspeaker 101, thereby having an effective dustproof effect on the loudspeaker 101, the inner wall of the protection ring 2 is fixedly connected with four connecting rods 202, the fixing block 203 is fixedly connected through the connecting rods 202, the protection net cover 204 is arranged between the protection ring 2 and the four connecting rods 202, two supporting blocks 205 are symmetrically and fixedly connected to two sides of the protection ring 2, the back of the supporting block 205 is rotatably connected with a rotating rod 206, and one end of the rotating rod 206 is connected with a transmission component, and the other end fixedly connected with inserted block 207 of dwang 206, the surface of inserted block 207 and the inner wall of slot 104 laminate mutually, and the surface fixedly connected with stopper 208 of inserted block 207, stopper 208 and the inner wall of constant head tank 105 laminate mutually.
Both sides and the top of box 1 all are provided with metal sheet 110, and the quantity of metal sheet 110 sets up to three, through the metal sheet 110 who sets up, can effectively reduce the electromagnetic wave interference that communication equipment receiving and dispatching signal produced like this, avoids the audio amplifier the condition of noise to appear.
The outer walls of the two sides of the box body 1 and the upper surface are fixedly connected with a plurality of first sleeves 113, the side walls of the three metal plates 110 are fixedly connected with a plurality of second sleeves 114, and the outer walls of the second sleeves 114 are slidably connected with the inner walls of the first sleeves 113.
A second telescopic shaft 115 and a damping spring 116 are fixedly connected between the inner wall of the first sleeve 113 and the inner wall of the second sleeve 114, and the damping spring 116 is movably sleeved on the outer surface of the second telescopic shaft 115.
In the in-process of using, when communication equipment places the side or the top at box 1, through the metal sheet 110 that sets up, the metal sheet 110 of shielding usefulness simultaneously needs the lead wire earth connection (not marked in the figure), can effectively reduce the electromagnetic wave interference that communication equipment send-receive signal produced like this, avoid the condition that the noise appears in the audio amplifier, and simultaneously, when box 1 received the collision, strike metal sheet 110, make second sleeve 114 remove towards the inside of first sleeve 113, second telescopic shaft 115 and damping spring 116 have been compressed, thereby make damping spring 116 absorb the impact force, effectual shock attenuation effect has been played, effectual guard action has been played metal sheet 110 and box 1.
In summary, the following steps: in the using process, firstly, the protection ring 2 is erected and is positioned on the front surface of the box body 1, the two insertion blocks 207 are respectively positioned at the notch positions of the insertion grooves 104, the knob is rotated to drive the main shaft 3 to rotate, so that the first bevel gear 301 on the outer surface rotates along with the rotation, the first bevel gear 301 is meshed with the two second bevel gears 302, the two second bevel gears 302 are symmetrically arranged, the two second bevel gears 302 are driven to rotate in opposite directions, the two transmission rods 303 are driven to rotate in opposite directions, the two third bevel gears 304 are symmetrically arranged, the two third bevel gears 304 drive the two fourth bevel gears 305 to rotate in the same direction, and the two rotating rods 206 rotate in the same direction;
when the two rotating rods 206 rotate, the two inserting blocks 207 are respectively driven to rotate until the limiting block 208 is positioned at the leftmost side and positioned at the notch of the positioning groove 105, then the protection ring 2 is pushed towards the box body 1, so that the rubber ring 201 is clamped into the annular clamping groove 102, the inserting blocks 207 and the limiting block 208 respectively enter the inserting groove 104 and the positioning groove 105, and when the inserting blocks 207 move in the inserting groove 104, the inserting blocks contact the sliding plate 108 and push the sliding plate 108 to compress the limiting spring 109, so that the limiting spring 109 is in a compressed state;
then, the knob is rotated reversely, the two inserting blocks 207 are rotated reversely at the same time, the limiting block 208 moves towards the notch of the limiting groove 106 until the limiting block 208 moves to the notch of the limiting groove 106, the limiting spring 109 compressed before rebounds to push the limiting block 208 to move towards the limiting groove 106, and under the action of the elastic force of the limiting spring 109, the limiting block 208 cannot be separated from the limiting groove 106, so that the inserting blocks 207 are fixed in the inserting grooves 104, the rubber ring 201 is fixed in the annular clamping groove 102, the protection ring 2 and the protection net cover 204 in the protection ring 2 are covered on the loudspeaker 101, and effective dustproof effect is achieved on the loudspeaker 101;
when the protective net cover 204 is detached, the protective ring 2 is pushed towards the box body 1, the inserting blocks 207 move towards the inside of the inserting grooves 104, the limiting springs 109 are compressed, the limiting springs 109 are in a compressed state, then the knobs are rotated, the actions are repeated, the two inserting blocks 207 simultaneously rotate, the limiting blocks 208 move towards the notches of the positioning grooves 105 until the limiting blocks 208 move to the notches of the positioning grooves 105, the limiting springs 109 compressed before rebound, the limiting blocks 208 are pushed to move towards the positioning grooves 105, at the moment, the protective ring 2 can be pulled outwards, the limiting blocks 208 can be separated from the limiting grooves 106, the inserting blocks 207 can be separated from the inserting grooves 104, the rubber rings 201 can be separated from the annular clamping grooves 102, and the protective net cover 204 and the loudspeaker 101 can be cleaned;
when communication equipment places the side or the top at box 1, through the metal sheet 110 that sets up, the metal sheet 110 that shields simultaneously and use needs lead wire earth connection (not marked in the figure), can effectively reduce the electromagnetic wave interference that communication equipment receiving and dispatching signal produced like this, avoid the condition that the noise appears in the audio amplifier, and simultaneously, when box 1 receives the collision, strike metal sheet 110, make second sleeve 114 remove towards the inside of first sleeve 113, second telescopic shaft 115 and damping spring 116 have been compressed, thereby make damping spring 116 absorb the impact force, effective shock attenuation effect has been played, effectual guard action has been played metal sheet 110 and box 1.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An audio equipment with noise reduction function, includes box (1) and protection ring (2), its characterized in that: a loudspeaker (101) and two fixed cylinders (103) are embedded in the front face of the box body (1), an annular clamping groove (102) is formed in the front face of the box body (1), the fixed cylinders (103) are symmetrically arranged on two sides of the annular clamping groove (102), a slot (104) is formed in the front face of each fixed cylinder (103), a positioning groove (105) and a limiting groove (106) are formed in the outer surface of each fixed cylinder (103), the slot (104), the positioning groove (105) and the limiting groove (106) are communicated, a sliding plate (108) is connected to the inner wall of the slot (104) in a sliding mode, a first telescopic shaft (107) and a limiting spring (109) are fixedly connected between the sliding plate (108) and the inner bottom wall of each fixed cylinder (103), and the limiting spring (109) is movably sleeved on the outer surface of the first telescopic shaft (107);
the back fixedly connected with rubber ring (201) of protection ring (2), just rubber ring (201) closely laminates with the inner wall of ring groove (102), the inner wall fixedly connected with four connecting rods (202) of protection ring (2), and through connecting rod (202) fixedly connected with fixed block (203), be provided with protection screen panel (204) between protection ring (2) and four connecting rods (202), the bilateral symmetry fixedly connected with two supporting shoes (205) of protection ring (2), the back rotation of supporting shoe (205) is connected with dwang (206), the one end of dwang (206) is connected with drive assembly, just the other end fixedly connected with inserted block (207) of dwang (206), the surface of inserted block (207) laminates with the inner wall of slot (104) mutually, the surface fixedly connected with stopper (208) of inserted block (207), the limiting block (208) is attached to the inner wall of the positioning groove (105).
2. An audio apparatus with noise reduction function according to claim 1, characterized in that: both sides and the top of box (1) all are provided with metal sheet (110), and the quantity of metal sheet (110) sets up to three.
3. An audio apparatus with noise reduction function according to claim 1, characterized in that: the inner wall of the slot (104) is symmetrically and fixedly connected with two sliding grooves (111), the edges and corners of the sliding plate (108) are symmetrically and fixedly connected with two sliding blocks (112), and the two sliding blocks (112) are respectively in sliding connection with the two sliding grooves (111).
4. An audio apparatus with noise reduction function according to claim 2, characterized in that: the outer wall and the upper surface of both sides of box (1) are fixedly connected with a plurality of first sleeves (113), it is three fixedly connected with a plurality of second sleeves (114) on the lateral wall of metal sheet (110), just the outer wall of second sleeve (114) and the inner wall sliding connection of first sleeve (113).
5. An audio apparatus with noise reduction function according to claim 4, characterized in that: a second telescopic shaft (115) and a damping spring (116) are fixedly connected between the inner wall of the first sleeve (113) and the inner wall of the second sleeve (114), and the damping spring (116) is movably sleeved on the outer surface of the second telescopic shaft (115).
6. An audio apparatus with noise reduction function according to claim 1, characterized in that: the transmission assembly comprises a main shaft (3), one end of the main shaft (3) is rotatably connected to the inner wall of the fixed block (203), the other end of the main shaft (3) penetrates through the outer wall of the fixed block (203) to extend to the outside and is fixedly connected with a knob, a first conical gear (301) is fixedly sleeved on the outer surface of the main shaft (3) in the fixed block (203), the first conical gear (301) is meshed with two second conical gears (302), one end of the second conical gear (302) far away from the first conical gear (301) is fixedly connected with a transmission rod (303), the transmission rod (303) penetrates through a connecting rod (202) to extend to the inside of the supporting block (205) and is fixedly sleeved with a third conical gear (304), the end of the transmission rod (206) is rotatably connected to the inner wall of the supporting block (205) and is fixedly sleeved with a fourth conical gear (305), and the third bevel gear (304) and the fourth bevel gear (305) are in meshed connection.
7. An audio apparatus with noise reduction function according to claim 6, characterized in that: the two second bevel gears (302) and the two third bevel gears (304) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564905.1A CN113473274A (en) | 2021-05-24 | 2021-05-24 | Audio device with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564905.1A CN113473274A (en) | 2021-05-24 | 2021-05-24 | Audio device with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113473274A true CN113473274A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110564905.1A Pending CN113473274A (en) | 2021-05-24 | 2021-05-24 | Audio device with noise reduction function |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115103247A (en) * | 2022-07-25 | 2022-09-23 | 荣耀终端有限公司 | Shell assembly and electronic equipment |
| CN116501283A (en) * | 2023-04-24 | 2023-07-28 | 云步(济南)智能科技有限公司 | Live broadcast sound card capable of automatically reducing noise and playing in sound control mode |
| CN116866742A (en) * | 2023-06-25 | 2023-10-10 | 无锡杰夫电声股份有限公司 | Vehicle-mounted sound box |
-
2021
- 2021-05-24 CN CN202110564905.1A patent/CN113473274A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115103247A (en) * | 2022-07-25 | 2022-09-23 | 荣耀终端有限公司 | Shell assembly and electronic equipment |
| CN116501283A (en) * | 2023-04-24 | 2023-07-28 | 云步(济南)智能科技有限公司 | Live broadcast sound card capable of automatically reducing noise and playing in sound control mode |
| CN116501283B (en) * | 2023-04-24 | 2024-02-09 | 恩平市美奇音响设备有限公司 | Live broadcast sound card capable of automatically reducing noise and playing in sound control mode |
| CN116866742A (en) * | 2023-06-25 | 2023-10-10 | 无锡杰夫电声股份有限公司 | Vehicle-mounted sound box |
| CN116866742B (en) * | 2023-06-25 | 2024-03-19 | 无锡杰夫电声股份有限公司 | Vehicle-mounted sound box |
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