CN210431733U - Dustproof power amplifier that barrier propterty is good - Google Patents
Dustproof power amplifier that barrier propterty is good Download PDFInfo
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- CN210431733U CN210431733U CN201921734486.6U CN201921734486U CN210431733U CN 210431733 U CN210431733 U CN 210431733U CN 201921734486 U CN201921734486 U CN 201921734486U CN 210431733 U CN210431733 U CN 210431733U
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Abstract
The utility model discloses a dust protected power amplifier that barrier propterty is good belongs to power amplifier technical field, which comprises a housin, be equipped with two loudspeaker on the casing, two second track grooves have been seted up at the top of casing, slidable mounting has the movable block in the second track groove, and two second track inslot internal rotation install two symmetrical threaded rods that set up, movable block and threaded rod threaded connection, be equipped with two U-shaped plates that stand upside down on the casing, the top of movable block and the top inner wall fixed connection of U-shaped plate, the top inner wall of casing rotates and installs the cross axle that sets up horizontally, the both ends of cross axle are connected with the threaded rod transmission respectively, two track boards are installed to the top inner wall of casing; the utility model discloses play fine dustproof effect to the power amplifier, solved the power amplifier handle among the prior art simultaneously because the dew leads to occupation space and influences the problem of the whole aesthetic property of product at the product surface, easily promote.
Description
Technical Field
The utility model belongs to the technical field of the power amplifier, concretely relates to dust protected power amplifier that barrier propterty is good.
Background
The existing power amplifier does not have any dustproof measure at the position of a loudspeaker, dust enters the existing power amplifier to affect the sounding quality of the power amplifier and even damage the power amplifier, and a handle of the power amplifier in the prior art is exposed on the outer surface of a product to cause the problems of occupying space and affecting the integral attractiveness of the product, so that the problem is solved by a dustproof power amplifier with good protection performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust protected power amplifier that barrier propterty is good 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: a dustproof power amplifier with good protection performance, which comprises a shell, wherein two loudspeakers are arranged on the shell, the top of the shell is provided with two second rail grooves, the second rail grooves are internally provided with movable blocks in a sliding way, the two second rail grooves are internally and rotatably provided with two symmetrically arranged threaded rods, the movable block is in threaded connection with the threaded rod, two U-shaped plates which are arranged in an inverted manner are arranged on the shell, the top of the movable block is fixedly connected with the inner wall of the top of the U-shaped plate, the inner wall of the top of the shell is rotatably provided with a horizontal shaft, two ends of the cross shaft are respectively connected with the threaded rod in a transmission way, two track plates are arranged on the inner wall of the top of the shell, the top slidable mounting of casing has the lifter of two vertical settings, the bottom of lifter extend to in the casing and with lifter sliding connection, be connected with the handle between the top of two lifters.
Adopt above-mentioned scheme, drive bevel gear through two-way gear motor and rotate and realize that two U-shaped boards move in opposite directions or keep away from each other, and the U-shaped board blocks loudspeaker and can play fine dustproof effect to loudspeaker, and when using the power amplifier, on the U-shaped board took away loudspeaker, when not using, the U-shaped board lid played dustproof effect on loudspeaker. Through the sliding connection of lifter and track board, can through promoting the handle, when the power amplifier is not carried, the lifter descends and drives the handle and descend the top to the casing, has solved the power amplifier handle among the prior art because the exsertion leads to occupation space and the problem that influences the whole aesthetic property of product at the product surface.
In the above scheme, it should be noted that: the bidirectional driving motor is an RV75 type bidirectional driving motor.
As a preferred embodiment, a vertically arranged connecting rod is mounted on the inner wall of the top of the housing, a placing plate is fixedly connected to the bottom of the connecting rod, a bidirectional speed reducing motor is mounted on the placing plate, a driving bevel gear is fixedly connected to an output shaft of the bidirectional speed reducing motor, a driven bevel gear is fixedly sleeved on the transverse shaft, and the driven bevel gear is meshed with the driving bevel gear.
By adopting the scheme, the bidirectional speed reducing motor drives the driving bevel gear to rotate so that the driven bevel gear and the transverse shaft rotate, and the transmission connection between the bidirectional speed reducing motor and the transverse shaft is realized.
As a preferred embodiment, a first rail groove is formed in one side of the rail plate close to the lifting rod, a guide rod is arranged in the first rail groove, a connecting block is slidably sleeved on the guide rod, and the connecting block is fixedly connected with the lifting rod.
Adopt above-mentioned scheme, through the sliding connection of lifter and track board, lifter and casing sliding connection rise the back at the pulling handle, move the top inner wall in track groove until the connecting block, the connecting block no longer removes, and the handle is located the top of casing for the transport of power amplifier, can through promoting the handle, when not carrying the power amplifier, the lifter descends and drives the top that the handle falls the casing.
As a preferred embodiment, two sliding holes are formed in the top of the housing, and the lifting rod is slidably connected with the inner walls of the sliding holes.
By adopting the scheme, the lifting rod is installed through the sliding hole, the sliding hole is used for installing the lifting rod, the sliding installation of the lifting rod and the shell is realized, and the lifting rod is stable during lifting.
As a preferred embodiment, the U-shaped plate is composed of two vertical plates and a transverse plate, the transverse plate is arranged at the tops of the two vertical plates, the transverse plate and the vertical plates are vertically arranged, and the vertical plates are arranged at two ends of the transverse plate
Adopt above-mentioned scheme, two risers are located the both sides of casing, and the diaphragm is located the top of casing, shelters from loudspeaker that like this can be fine, plays dirt-proof effect.
Compared with the prior art, the beneficial effects of the utility model are that:
drive bevel gear through two-way gear motor and rotate and realize two U-shaped boards and move or keep away from each other in opposite directions, and the U-shaped board blocks loudspeaker and can play fine dustproof effect to loudspeaker, and when using the power amplifier, the U-shaped board is put aside on loudspeaker, and when not using, the U-shaped board lid plays dustproof effect on loudspeaker.
Through the sliding connection of lifter and track board, can through promoting the handle, when the power amplifier is not carried, the lifter descends and drives the handle and descend the top to the casing, has solved the power amplifier handle among the prior art because the exsertion leads to occupation space and the problem that influences the whole aesthetic property of product at the product surface.
The utility model discloses play fine dustproof effect to the power amplifier, solved the power amplifier handle among the prior art simultaneously because the dew leads to occupation space and influences the problem of the whole aesthetic property of product at the product surface, easily promote.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic cross-sectional view of the track plate;
fig. 4 is a perspective view of the U-shaped plate.
In the figure: 1. a housing; 2. a horn; 3. a second track groove; 4. a movable block; 5. a threaded rod; 6. a U-shaped plate; 7. a horizontal axis; 8. a bidirectional reduction motor; 9. a track plate; 10. a lifting rod; 11. a handle; 12. a driven bevel gear; 13. a drive bevel gear; 14. a first track groove; 15. a guide bar; 16. and (4) connecting the blocks.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-4, the utility model provides a dust-proof power amplifier with good protection performance, which comprises a casing 1, wherein two loudspeakers 2 are arranged on the casing 1, two second track grooves 3 are arranged at the top of the casing 1, movable blocks 4 are slidably arranged in the second track grooves 3, two symmetrically arranged threaded rods 5 are rotatably arranged in the two second track grooves 3, the movable blocks 4 are in threaded connection with the threaded rods 5, two U-shaped plates 6 which are arranged in an inverted manner are arranged on the casing 1, the tops of the movable blocks 4 are fixedly connected with the inner walls of the tops of the U-shaped plates 6, a horizontal shaft 7 which is arranged horizontally is rotatably arranged on the inner wall of the top of the casing 1, and two ends of the horizontal shaft 7 are respectively in transmission connection with the threaded rods 5 (see fig.; drive bevel gear 13 through two-way gear motor 8 and rotate and realize that two U-shaped plates 6 move in opposite directions or keep away from each other, and U-shaped plate 6 blocks loudspeaker 2 and can play fine dustproof effect to loudspeaker 2, and when using the power amplifier, U-shaped plate 6 takes away on loudspeaker 2, and when not using, U-shaped plate 6 covers on loudspeaker 2, plays dustproof effect.
Two track plates 9 are mounted on the inner wall of the top of the shell 1, two vertically arranged lifting rods 10 are slidably mounted on the top of the shell 1, the bottoms of the lifting rods 10 extend into the shell 1 and are slidably connected with the lifting rods 10, and a handle 11 (see fig. 2) is connected between the tops of the two lifting rods 10; through the sliding connection of lifter 10 and track board 9, can through promoting handle 11, when the power amplifier is not carried, lifter 10 descends and drives handle 11 and fall to the top of casing 1, has solved the power amplifier handle among the prior art because the exsertion leads to occupation space and the problem that influences the whole aesthetic property of product at the product surface.
A vertically arranged connecting rod is installed on the inner wall of the top of the shell 1, a placing plate is fixedly connected to the bottom of the connecting rod, a bidirectional speed reducing motor 8 is installed on the placing plate, a driving bevel gear 13 is fixedly connected to an output shaft of the bidirectional speed reducing motor 8, a driven bevel gear 12 is fixedly sleeved on the transverse shaft 7, and the driven bevel gear 12 is meshed with the driving bevel gear 13 (see fig. 2); the bidirectional speed reducing motor 8 drives the driving bevel gear 13 to rotate, so that the driven bevel gear 12 and the transverse shaft 7 rotate, and the transmission connection between the bidirectional speed reducing motor 8 and the transverse shaft is realized.
A first track groove 14 is formed in one side, close to the lifting rod 10, of the track plate 9, a guide rod 15 is arranged in the first track groove 14, a connecting block 16 is slidably sleeved on the guide rod 15, and the connecting block 16 is fixedly connected with the lifting rod 10 of the lifting rod 10 (see fig. 3); through the sliding connection of lifter 10 and track board 9, lifter 10 and 1 sliding connection of casing, after pulling handle 11 rises, until connecting block 16 moves the top inner wall in track groove, connecting block 16 no longer moves, and handle 11 is located the top of casing 1 for the transport of power amplifier, through promoting handle 11 can, when not carrying the power amplifier, lifter 10 descends and drives handle 11 and fall to the top of casing 1.
Two sliding holes are formed in the top of the shell 1, and the lifting rod 10 is connected with the inner walls of the sliding holes in a sliding mode. The lifting rod 10 is installed through the sliding hole, and the sliding hole is used for installing the lifting rod 10, so that the sliding installation of the lifting rod 10 and the shell 1 is realized, and the lifting rod is stable during lifting.
The U-shaped plate 6 consists of two vertical plates and a transverse plate, the transverse plate is arranged at the tops of the two vertical plates, the transverse plate is perpendicular to the vertical plates, and the vertical plates are arranged at two ends of the transverse plate (see figure 4); two risers are located the both sides of casing 1, and the diaphragm is located the top of casing 1, shelters from loudspeaker 2 that like this can be fine, plays dirt-proof effect.
When using, it makes driven bevel gear 12 and cross axle 7 rotate and drives two threaded rods 5 and rotate to drive through two-way gear motor 8 drive bevel gear 13, two threaded rods 5 are the symmetry and set up, threaded rod 5 rotates and drives two movable block 4 and move or keep away from each other in opposite directions, movable block 4 removes and drives 6 and remove, make two U-shaped plate 6 move in opposite directions or keep away from each other, U-shaped plate 6 blocks loudspeaker 2 and can play fine dustproof effect to loudspeaker 2, when using the power amplifier, U-shaped plate 6 moves away from on loudspeaker 2, when not using, U-shaped plate 6 covers on loudspeaker 2, play dustproof effect. Through the sliding connection of lifter 10 and track board 9, lifter 10 and 1 sliding connection of casing, after pulling handle 11 rises, until connecting block 16 moves the top inner wall in track groove, connecting block 16 no longer moves, handle 11 is located the top of casing 1, a transport for the power amplifier, can through promoting handle 11, when not carrying the power amplifier, lifter 10 descends and drives handle 11 and fall to the top of casing 1, the problem of power amplifier handle among the prior art because the exsertion leads to occupation space and influences the whole aesthetic property of product at the product surface has been solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dust protected power amplifier that barrier propterty is good, includes casing (1), its characterized in that: the novel loudspeaker box is characterized in that two loudspeakers (2) are arranged on the shell (1), two second track grooves (3) are formed in the top of the shell (1), movable blocks (4) are arranged in the second track grooves (3) in a sliding mode, threaded rods (5) which are symmetrically arranged are rotatably arranged in the two second track grooves (3), the movable blocks (4) are in threaded connection with the threaded rods (5), two U-shaped plates (6) which are arranged in a handstand mode are arranged on the shell (1), the top of each movable block (4) is fixedly connected with the inner wall of the top of each U-shaped plate (6), a horizontal cross shaft (7) is rotatably arranged on the inner wall of the top of the shell (1), two ends of the cross shaft (7) are respectively in transmission connection with the threaded rods (5), two track plates (9) are arranged on the inner wall of the top of the shell (1), and two lifting rods (10) which are vertically arranged are, the bottom of the lifting rod (10) extends into the shell (1) and is in sliding connection with the lifting rod (10), and a handle (11) is connected between the tops of the two lifting rods (10).
2. The power amplifier of claim 1, wherein the power amplifier further comprises: the connecting rod of vertical setting is installed to the top inner wall of casing (1), and the board is placed to the bottom fixedly connected with of connecting rod, places and installs two-way gear motor (8) on the board, the output shaft fixedly connected with drive bevel gear (13) of two-way gear motor (8), fixed cover is equipped with driven bevel gear (12) on cross axle (7), driven bevel gear (12) and drive bevel gear (13) meshing.
3. The power amplifier of claim 1, wherein the power amplifier further comprises: track board (9) are close to one side of lifter (10) and have seted up first track groove (14), be equipped with guide arm (15) in first track groove (14), sliding sleeve is equipped with connecting block (16) on guide arm (15), connecting block (16) and 10 lifter (10) fixed connection.
4. The power amplifier of claim 1, wherein the power amplifier further comprises: two sliding holes are formed in the top of the shell (1), and the lifting rod (10) is connected with the inner walls of the sliding holes in a sliding mode.
5. The power amplifier of claim 1, wherein the power amplifier further comprises: the U-shaped plate (6) is composed of two vertical plates and a transverse plate, the transverse plate is arranged at the tops of the two vertical plates, the transverse plate and the vertical plates are perpendicular to each other, and the vertical plates are arranged at two ends of the transverse plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734486.6U CN210431733U (en) | 2019-10-16 | 2019-10-16 | Dustproof power amplifier that barrier propterty is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734486.6U CN210431733U (en) | 2019-10-16 | 2019-10-16 | Dustproof power amplifier that barrier propterty is good |
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| Publication Number | Publication Date |
|---|---|
| CN210431733U true CN210431733U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921734486.6U Active CN210431733U (en) | 2019-10-16 | 2019-10-16 | Dustproof power amplifier that barrier propterty is good |
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| Country | Link |
|---|---|
| CN (1) | CN210431733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653981A (en) * | 2020-12-17 | 2021-04-13 | 柳琴琴 | Think political affairs teaching and use megaphone |
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2019
- 2019-10-16 CN CN201921734486.6U patent/CN210431733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653981A (en) * | 2020-12-17 | 2021-04-13 | 柳琴琴 | Think political affairs teaching and use megaphone |
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