CN210042108U - Automobile power amplifier protector - Google Patents
Automobile power amplifier protector Download PDFInfo
- Publication number
- CN210042108U CN210042108U CN201921391151.9U CN201921391151U CN210042108U CN 210042108 U CN210042108 U CN 210042108U CN 201921391151 U CN201921391151 U CN 201921391151U CN 210042108 U CN210042108 U CN 210042108U
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- CN
- China
- Prior art keywords
- power amplifier
- wall
- protective cover
- cover
- protecting cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to the field of automobile power amplifiers, in particular to a protective device for automobile power amplifiers, which comprises a power amplifier body and a protective cover sliding on the outer wall of the power amplifier body, wherein the outer wall of the protective cover is sleeved with a protective cover, one end of the protective cover is hinged with a rotating protective plate through a hinge, the hinge is positioned at the top end of the protective cover, the inner wall of the protective cover is fixedly connected with a fixed plate, the protective cover is fixedly connected with the power amplifier body through the fixed plate, the protective cover is internally provided with a motor, a screw rod and a sliding guide rod motor which drive the screw rod to rotate, a threaded connecting block is driven by the screw rod to drive the protective cover to slide, the protective cover slides to the outside of the protective cover along the sliding guide rod under the action of the sliding connecting block, when the hinge slides to the outside of the protective cover, the, prevent dust entering the external inserting hole of the operation panel of the power amplifier body.
Description
Technical Field
The utility model relates to a car power amplifier field specifically is a car power amplifier protector.
Background
The vehicle-mounted power amplifier has the functions of selecting and preprocessing the audio input signal, amplifying the power, enabling the electric signal to have the capacity of pushing a sound box, and realizing the power amplification of an automobile and the common power amplifierHome theaterThe power amplifiers in (1) are slightly different, because of a lot ofVehicle-mounted hostThe power amplification function is integrated with the power amplifier,the power amplifier plays a role of pre-amplification, so that the vehicle-mounted power amplifier is sometimes called post-amplification, namely, the power amplifier can be connected with the amplified power amplifierHigh level input。
The control panel of the existing vehicle-mounted power amplifier is directly exposed in the external environment, and along with the prolonging of the service time, dust in the air can enter into an external connection hole on the control panel of the vehicle-mounted power amplifier, so that the external connection hole on the control panel of the vehicle-mounted power amplifier is in poor contact with the external equipment connector, and the vehicle-mounted power amplifier cannot be normally used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car power amplifier protector to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a protection device for an automobile power amplifier comprises a power amplifier body and a protection cover sliding on the outer wall of the power amplifier body, wherein a protection cover is sleeved on the outer wall of the protection cover, one end of the protection cover is hinged with a rotating protection plate through a hinge, the hinge is positioned at the top end of the protection cover, a fixing plate is fixedly connected to the inner wall of the protection cover, the protection cover is fixedly connected with the power amplifier body through the fixing plate, a motor, a lead screw and a sliding guide rod are arranged inside the protection cover, the motor is fixedly connected to the side wall of the fixing plate, the output end of the motor is connected with the lead screw, the other end of the lead screw is rotatably connected with the inner wall of the protection cover, the sliding guide rod is positioned at the bottom end of the inner wall of the protection cover, one end of the sliding guide rod is fixedly connected with the, the bottom surface fixedly connected with sliding connection piece of protecting cover, threaded connection piece with the lead screw spiro union, sliding connection piece with sliding guide sliding connection, motor and external power source electric connection.
As a further aspect of the present invention: the top surface of power amplifier body rotates and is connected with first live-rollers, the inboard second live-rollers that rotate be connected with first live-rollers is corresponding of the open end of guard shield, the lateral wall and the inside wall of protecting cover respectively in second live-rollers with first live-rollers sliding connection.
As a further aspect of the present invention: the magnetic suction plate b is embedded at the bottom end of the inner side wall of the rotating protection plate, the magnetic suction plate a is embedded at the opening end of the protection cover, and the position and the size of the magnetic suction plate b correspond to those of the magnetic suction plate a.
As a further aspect of the present invention: the number of the sliding guide rods is two, and the two sliding guide rods are symmetrically distributed in parallel.
As a further aspect of the present invention: the motor and the screw rod are positioned in the middle of the top end of the inner wall of the protective cover.
As a further aspect of the present invention: the thickness of the rotary protecting plate is consistent with the wall thickness of the protecting cover.
As a further aspect of the present invention: the second rotating roller and the first rotating roller are both made of rubber.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when not using, the motor drives the lead screw and rotates, and under the effect of screw thread, the threaded connection piece is at the lead screw transmission to drive the protecting cover and slide, the protecting cover slides to the guard shield outside along sliding guide under sliding connection piece's effect, slides to the guard shield outside at the hinge when, rotates the backplate and rotates downwards under the effect of gravity and close, can protect the operating panel of power amplifier body, prevents that the dust from getting into power amplifier body operating panel's external plug and connects downthehole.
2. The top surface of power amplifier body rotates and is connected with first live-rollers, and the inboard second live-rollers that is connected with and first live-rollers corresponding that rotates of open end of guard shield rotates, and the lateral wall and the inside wall of protecting cover slide on second live-rollers and first live-rollers respectively, and the protecting cover is direct not to contact with power amplifier body and guard shield, and under the effect of second live-rollers and first live-rollers, the slip frictional force of protecting cover is less for the slip of protecting cover is more smooth and easy.
Drawings
FIG. 1 is a schematic structural diagram of a protection device for a power amplifier of an automobile;
FIG. 2 is a schematic diagram of a protective cover structure in a car power amplifier protection device;
FIG. 3 is a schematic view of a sliding guide bar in a protection device of a power amplifier of an automobile;
FIG. 4 is a schematic diagram of a sliding cover of a protection device for a power amplifier of a vehicle;
fig. 5 is a schematic view of closing a rotating guard plate in a protection device of a power amplifier of an automobile.
In the figure: 1. a power amplifier body; 11. a first rotating roller; 2. a protective cover; 201. a magnetic attraction plate a; 231. a magnetic attraction plate b; 21. a threaded connection block; 22. a sliding connection block; 23. rotating the guard plate; 24. a hinge; 3. a shield; 31. a fixing plate; 32. a motor; 33. a screw rod; 34. a sliding guide bar; 35. a second rotating roller.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an automobile power amplifier protection device includes a power amplifier body 1 and a protective cover 2 sliding on an outer wall of the power amplifier body, the outer wall of the protective cover 2 is sleeved with a protective cover 3, one end of the protective cover 2 is hinged with a rotating protective plate 23 through a hinge 24, the hinge 24 is located at a top end of the protective cover 2, an inner wall of the protective cover 3 is fixedly connected with a fixing plate 31, the protective cover 3 is fixedly connected with the power amplifier body 1 through the fixing plate 31, a motor 32, a lead screw 33 and a sliding guide rod 34 are installed inside the protective cover 3, the motor 32 is fixedly connected to a side wall of the fixing plate 31, an output end of the motor 32 is connected with the lead screw 33, the other end of the lead screw 33 is rotatably connected with an inner wall of the protective cover 3, the sliding guide rod 34 is located at, the top surface fixedly connected with threaded connection piece 21 of protecting cover 2, the bottom surface fixedly connected with sliding connection piece 22 of protecting cover 2, threaded connection piece 21 and lead screw 33 spiro union, sliding connection piece 22 and sliding guide 34 sliding connection, motor 32 and external power source electric connection.
In fig. 1: 1 outside sliding connection of power amplifier body has protecting cover 2, and the outer wall cover of protecting cover 2 is equipped with guard shield 3, and the one end of protecting cover 2 is articulated through hinge 24 to have and rotates backplate 23, and when not using, protecting cover 2 stretches out, rotates backplate 23 and closes, can protect the external jack of 1 control panel of power amplifier body, prevents that the dust from getting into.
In fig. 2: one end of the protecting cover 2 is hinged with a rotating protecting plate 23 through a hinge 24, the hinge 24 is positioned at the top end of the protecting cover 2, the inner wall of the protecting cover 3 is fixedly connected with a fixing plate 31, the protecting cover 3 is fixedly connected with the power amplifier body 1 through the fixing plate 31, a motor 32 is arranged inside the protecting cover 3, a lead screw 33 and a sliding guide rod 34 are arranged inside the protecting cover 3, the motor 32 is fixedly connected with the side wall of the fixing plate 31, the output end of the motor 32 is connected with the lead screw 33, the other end of the lead screw 33 is rotatably connected with the inner wall of the protecting cover 3, the sliding guide rod 34 is positioned at the bottom end of the inner wall of the protecting cover 3, one end of the sliding guide rod 34 is fixedly connected with the fixing plate 31, the other end of the sliding guide rod 34 is fixedly connected with the inner wall of the protecting cover 3, the motor 32 is electrically connected with an external power supply, when in use, the motor 32 is started, the motor 32 drives the screw rod 33 to rotate, under the action of the screw thread, the threaded connecting block 21 is in transmission with the screw rod 33 and drives the protecting cover 2 to slide, the protecting cover 2 slides towards the inside of the protecting cover 3 along the sliding guide rod 34 under the action of the sliding connecting block 22, meanwhile, the rotating protecting plate 23 is in contact with the power amplifier body 1, and rotates upwards to a horizontal position by taking the hinge 24 as a rotating axis and slides to the inside of the protecting cover 3, at the moment, a user can normally use the operating panel of the power amplifier body 1, when not in use, the motor 32 drives the screw rod 33 to rotate reversely, under the action of the screw thread, the threaded connecting block 21 is in transmission with the screw rod 33 and drives the protecting cover 2 to slide, the protecting cover 2 slides towards the outside of the protecting cover 3 along the sliding guide rod 34 under the, the rotating protection plate 23 is downwards rotated and closed under the action of gravity, the operation panel of the power amplifier body 1 can be protected, dust is prevented from entering an external insertion hole of the operation panel of the power amplifier body 1, the motor 32 and the lead screw 33 are located at the middle position of the top end of the inner wall of the protective cover 3, when the lead screw 33 rotates, acting force can act on the middle position of the protective cover 2, the force on the protective cover 2 is balanced, and the model of the motor 32 is WL-36RP 545.
In fig. 3: the number of the sliding guide rods 34 is two, and the two sliding guide rods 34 are symmetrically distributed in parallel, so that the sliding of the sliding connection block 22 can be stably guided and supported by the two sliding guide rods 34, and the protective cover 2 is prevented from inclining during sliding.
In fig. 4: the top surface of the power amplifier body 1 is rotatably connected with a first rotating roller 11, the inner side of the opening end of the protective cover 3 is rotatably connected with a second rotating roller 35 corresponding to the first rotating roller 11, the outer side wall and the inner side wall of the protective cover 2 are respectively in sliding connection with the second rotating roller 35 and the first rotating roller 11, the outer side wall and the inner side wall of the protective cover 2 respectively slide on the second rotating roller 35 and the first rotating roller 11, the protective cover 2 is not directly contacted with the power amplifier body 1 and the protective cover 3, under the action of the second rotating roller 35 and the first rotating roller 11, the sliding friction force of the protective cover 2 is smaller, so that the sliding of the protective cover 2 is smoother, the thickness of the rotating protective plate 23 is consistent with the wall thickness of the protective cover 2, when the rotating protective plate 23 rotates to the horizontal level, the sliding to the protective plate 3 can be smoothly slid, the materials of the second rotating roller 35 and the first rotating roller 11 are rubber, in long-time use, if, the second rotating roller 35 and the first rotating roller 11 made of rubber can also slightly deform under the action of pressure, so that the deformed protecting cover 2 and the rotating protecting plate 23 can smoothly slide towards the inside of the protecting cover 3.
In fig. 5: the inside wall bottom of rotating backplate 23 inlays and is equipped with magnetism and inhale board b231, and the open end of protecting cover 2 inlays and is equipped with magnetism and inhale board a201, and magnetism inhales board b231 and magnetism and inhales the position and the size of board a201 corresponding, and it is when closing to rotate backplate 23, and magnetism inhales board b231 and magnetism and inhales board a201 and can inhale magnetism and fix for it is tightly laminated with the open end of protecting cover 2 to rotate backplate 23, prevents that it from following the slip of car and taking place the swing.
The utility model discloses a theory of operation is: when the power amplifier is used, the motor 32 is started, the motor 32 drives the screw rod 33 to rotate, under the action of the screw thread, the threaded connecting block 21 is driven by the screw rod 33 and drives the protecting cover 2 to slide, the protecting cover 2 slides towards the inside of the protecting cover 3 along the sliding guide rod 34 under the action of the sliding connecting block 22, meanwhile, the rotating protecting plate 23 is contacted with the power amplifier body 1, and rotates upwards to a horizontal position by taking the hinge 24 as a rotating axis and slides to the inside of the protecting cover 3, at the moment, a user can normally use the operating panel of the power amplifier body 1, when the power amplifier is not used, the motor 32 drives the screw rod 33 to rotate reversely, under the action of the screw thread, the threaded connecting block 21 is driven by the screw rod 33 and drives the protecting cover 2 to slide, the protecting cover 2 slides towards the outside of the protecting cover 3 along the sliding guide rod 34 under the action of the sliding connecting block 22, and when the hinge, can protect the operation panel of the power amplifier body 1, prevent dust from entering into the external jack of the operation panel of the power amplifier body 1, when the rotating protection plate 23 is closed, the magnetic attraction plate b231 and the magnetic attraction plate a201 can be fixed by magnetic attraction, so that the rotating protection plate 23 is tightly attached to the opening end of the protection cover 2, prevent the swinging of the rotating protection plate along with the sliding of the automobile, the top surface of the power amplifier body 1 is rotatably connected with the first rotating roller 11, the inner side of the opening end of the protection cover 3 is rotatably connected with the second rotating roller 35 corresponding to the first rotating roller 11, the outer side wall and the inner side wall of the protection cover 2 are respectively and slidably connected with the second rotating roller 35 and the first rotating roller 11, the outer side wall and the inner side wall of the protection cover 2 respectively slide on the second rotating roller 35 and the first rotating roller 11, the protection cover 2 is not directly contacted with the power amplifier body 1 and the protection cover 3, under the action of the second rotating roller 35 and, so that the sliding of the protective cover 2 is smoother.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an automobile power amplifier protector, its characterized in that, including power amplifier body (1) and slip protecting cover (2) at its outer wall, the outer wall cover of protecting cover (2) is equipped with guard shield (3), the one end of protecting cover (2) is articulated through hinge (24) has rotation backplate (23), just hinge (24) are located the top of protecting cover (2), the inner wall fixedly connected with fixed plate (31) of guard shield (3), guard shield (3) pass through fixed plate (31) with power amplifier body (1) fixed connection, the internally mounted of guard shield (3) has motor (32), lead screw (33) and sliding guide (34), motor (32) fixed connection in the lateral wall of fixed plate (31), the output of motor (32) is connected with lead screw (33), the other end of lead screw (33) with the inner wall rotation of guard shield (3) is connected, slide guide (34) are located the inner wall bottom of guard shield (3), the one end of slide guide (34) with fixed plate (31) fixed connection, the other end of slide guide (34) with the inner wall fixed connection of guard shield (3), the top surface fixedly connected with threaded connection piece (21) of protecting cover (2), the bottom surface fixedly connected with sliding connection piece (22) of protecting cover (2), threaded connection piece (21) with lead screw (33) spiro union, sliding connection piece (22) with slide guide (34) sliding connection, motor (32) and external power source electric connection.
2. The protection device for the power amplifier of the car according to claim 1, wherein the top surface of the power amplifier body (1) is rotatably connected with a first rotating roller (11), the inner side of the opening end of the protective cover (3) is rotatably connected with a second rotating roller (35) corresponding to the first rotating roller (11), and the outer side wall and the inner side wall of the protective cover (2) are respectively connected with the second rotating roller (35) and the first rotating roller (11) in a sliding manner.
3. The protection device for the power amplifier of the car according to claim 1, wherein a magnetic attraction plate b (231) is embedded at the bottom end of the inner side wall of the rotating protection plate (23), a magnetic attraction plate a (201) is embedded at the opening end of the protection cover (2), and the position and the size of the magnetic attraction plate b (231) correspond to those of the magnetic attraction plate a (201).
4. The protection device for the power amplifier of the car according to claim 1, wherein the number of the sliding guide rods (34) is two, and the two sliding guide rods (34) are symmetrically distributed in parallel.
5. The protection device for the power amplifier of car as claimed in claim 1, wherein said motor (32) and said lead screw (33) are located at the middle position of the top end of the inner wall of said shield (3).
6. The protection device for the power amplifier of the car as claimed in claim 1, wherein the thickness of the rotating guard plate (23) is the same as the wall thickness of the protecting cover (2).
7. The protection device for the power amplifier of the car according to claim 2, wherein the second rotating roller (35) and the first rotating roller (11) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391151.9U CN210042108U (en) | 2019-08-26 | 2019-08-26 | Automobile power amplifier protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391151.9U CN210042108U (en) | 2019-08-26 | 2019-08-26 | Automobile power amplifier protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210042108U true CN210042108U (en) | 2020-02-07 |
Family
ID=69351410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921391151.9U Expired - Fee Related CN210042108U (en) | 2019-08-26 | 2019-08-26 | Automobile power amplifier protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210042108U (en) |
-
2019
- 2019-08-26 CN CN201921391151.9U patent/CN210042108U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210826 |