CN207045256U - A kind of Car Audio loudspeaker support - Google Patents
A kind of Car Audio loudspeaker support Download PDFInfo
- Publication number
- CN207045256U CN207045256U CN201720642046.2U CN201720642046U CN207045256U CN 207045256 U CN207045256 U CN 207045256U CN 201720642046 U CN201720642046 U CN 201720642046U CN 207045256 U CN207045256 U CN 207045256U
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- CN
- China
- Prior art keywords
- mounting bracket
- loudspeaker
- car audio
- plectane
- annular seating
- 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
It the utility model is related to a kind of loudspeaker support, more particularly to a kind of Car Audio loudspeaker support.The technical problems to be solved in the utility model is to provide one kind and need not destroy ceiling can just install to loudspeaker, and can adjust the Car Audio loudspeaker support of loudspeaker angles.In order to solve the above-mentioned technical problem, the utility model provides such a Car Audio loudspeaker support, includes mounting bracket etc.；Mounting hole is provided with left and right sides of mounting bracket, rotating device is installed among mounting bracket bottom, rotating device is provided with the support for being used for fixing loudspeaker.The utility model, which has reached, is easy to Car Audio, and mounting bracket is fixed on roof by former car roof handle screw hole, will not destroy in-car ceiling.
Description
Technical field
It the utility model is related to a kind of loudspeaker support, more particularly to a kind of Car Audio loudspeaker support.
Background technology
The folding and unfolding mixer that automobile audio is set for the uninteresting sense in mitigation driver and occupant's travelling.Use earliest
It is automobile AM receiver, was AMFM radio, magnetic tape sound reproducer later, is developed to CD cassette players and compatible DCC, DAT
Digital acousticses.No matter present automobile audio in each side such as tone color, operation and vibrationproof has reached higher standard, can deal with vapour
Car jolts on rugged road, ensures the perfection of the stabilization and tonequality of performance.
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, the shadow of the performance quality of loudspeaker to tonequality
Sound is very big.Loudspeaker is a most weak device in stereo set, and for acoustics, it is one most heavy again
The part wanted.The species of loudspeaker is various, and price differs greatly.Audio electric energy is made by electromagnetism, piezoelectricity or electrostatic effect
Its cone or diaphragm vibration simultaneously produce resonance (sympathetic response) with the air of surrounding and send sound.
Loudspeaker can be typically arranged on the ceiling of automobile by Car Audio, and ceiling can be destroyed on ceiling,
And the angle of loudspeaker can not be adjusted, therefore need research and development one kind badly and need not destroy ceiling and loudspeaker can just be installed,
And the Car Audio loudspeaker support of loudspeaker angles can be adjusted.
Utility model content
(1) technical problems to be solved
The utility model can destroy ceiling to overcome loudspeaker to be arranged on ceiling, and the angle of loudspeaker can not be adjusted
The shortcomings that section, the technical problems to be solved in the utility model is to provide one kind and need not destroy ceiling can just pacify to loudspeaker
Dress, and the Car Audio loudspeaker support of loudspeaker angles can be adjusted.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a Car Audio loudspeaker branch
Frame, include mounting bracket, rotating device and support, mounting hole is provided with left and right sides of mounting bracket, is installed among mounting bracket bottom
There is rotating device, rotating device is provided with the support for being used for fixing loudspeaker.
Preferably, rotating device includes endless glide, sliding block, plectane, L-shaped support plate, motor, gear and gear ring,
Endless glide is arranged among mounting bracket bottom by bolted connection, and sliding block is slidably provided with endless glide, sliding
Block bottom is connected with plectane, and L-shaped support plate is provided with the left of endless glide, and L-shaped support plate connects with mounting bracket by bolted connection
Connect, motor be installed on L-shaped support plate, gear is installed on the output shaft of motor, gear ring is installed on the outside of plectane,
Gear engages with gear ring, and plectane bottom is connected with cradle top.
Preferably, protection device is also included, protection device includes annular seating, toroidal shell and mat, annular
The outside of slide rail is provided with annular seating, and annular seating is arranged on mounting bracket bottom, opened on the outside of annular seating by bolted connection
There is external screw thread groove, annular seating is provided with toroidal shell, and toroidal shell inside upper part is provided with internal thread groove, toroidal shell and annular seating
It is connected by external screw thread groove and internal thread groove, mat is provided among toroidal shell bottom.
Preferably, stopping means is also included, stopping means includes vertical pole, L-shaped pole and limit switch, and annular is sliding
Vertical pole is provided with the right side of rail, vertical pole is located on the inside of mat, and the front and rear sides of vertical pole bottom are mounted on limit switch,
Former and later two limit switches have connection with motor, and plectane bottom bias is connected with L-shaped pole, L-shaped pole and limit
Bit switch is located at same level.
Preferably, string holes and wire casing are provided with the top of mounting bracket, string holes is located in the middle part of mounting bracket, and wire casing is located at string holes and left side
Between mounting hole, string holes connects with wire casing.
Preferably, also include and only shake plate, only shake plate is provided with the inside of toroidal shell.
Operation principle：The handle of former car roof is removed, passes through mounting hole with bolt, and mounting bracket is fixed on original top
On the position of canopy handle, it can so ensure that roof of the vehicle is not destroyed.Loudspeaker is fixed on support and raised one's voice, it is necessary to adjust
During device sound field, rotating device can be started, rotating device can drive rack-mount loudspeaker to rotate, and treat that loudspeaker adjusts
After angle is suitable, control rotating device stops.
Because rotating device includes endless glide, sliding block, plectane, L-shaped support plate, motor, gear and gear ring, annular
Slide rail is arranged among mounting bracket bottom by bolted connection, and sliding block, sliding block bottom are slidably provided with endless glide
Portion is connected with plectane, is provided with L-shaped support plate on the left of endless glide, L-shaped support plate is connected with mounting bracket by bolted connection, L
Motor is installed on shape support plate, gear is installed on the output shaft of motor, gear ring, gear are installed on the outside of plectane
Engaged with gear ring, plectane bottom is connected with cradle top.When sound field of loudspeaker needs adjustment, start motor and rotate, drive
Dynamic motor rotation driven gear rotates, and pinion rotation drives gear ring and disk rotational, loudspeaker concomitant rotation, waits to find suitably
After sound field, motor is closed.
Because also including protection device, protection device includes annular seating, toroidal shell and mat, endless glide
Outside be provided with annular seating, annular seating is arranged on mounting bracket bottom by bolted connection, is provided with the outside of annular seating outer
Thread groove, annular seating are provided with toroidal shell, and toroidal shell inside upper part is provided with internal thread groove, and toroidal shell passes through with annular seating
External screw thread groove and internal thread groove are connected, and mat is provided among toroidal shell bottom.Toroidal shell is to installed in support
On loudspeaker play a protective role, when that need to change loudspeaker, rotatable circular housing pulls down it from annular seating, then
Loudspeaker can be pulled down to replacing from support.Mat can avoid people from touching the drum paper of loudspeaker, cause to rouse paper by
Damage influences tonequality.
Because also including stopping means, stopping means includes vertical pole, L-shaped pole and limit switch, endless glide
Right side is provided with vertical pole, and vertical pole is located on the inside of mat, and the front and rear sides of vertical pole bottom are mounted on limit switch, preceding
Latter two limit switch has a connection with motor, and plectane bottom bias is connected with L-shaped pole, L-shaped pole with it is spacing
Switch is located at same level.When motor rotates clockwise drive plectane rotation, L-shaped pole can touch the limit on front side of vertical pole
Bit switch, motor rotate counterclockwise.When motor rotates counterclockwise drive plectane rotation, L-shaped pole can touch perpendicular branch
Limit switch on rear side of bar, motor rotate clockwise, and so with regard to that can limit motor rotational angle less than a circle, avoid
The tone frequency channel wire of loudspeaker is wound.
Because being provided with string holes and wire casing at the top of mounting bracket, string holes is located in the middle part of mounting bracket, and wire casing is located at string holes pacifies with left side
Between filling hole, string holes connects with wire casing.The tone frequency channel wire connected on loudspeaker is passed through string holes and wire casing, energy by loudspeaker after installing
Enough avoid tone frequency channel wire exposed outside, influence attractive in appearance.
Plate is only shaken because also including, only shake plate is provided with the inside of toroidal shell.In speaker operation, only shaking plate can keep away
Exempt to produce resonance between toroidal shell and annular seating, reduce noise.
(3) beneficial effect
The utility model, which has reached, is easy to Car Audio, and mounting bracket is fixed on by former car roof handle screw hole
On roof, in-car ceiling will not be destroyed, and the effect of sound field of loudspeaker adjustable angle can be realized by rotating device.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is second of main structure diagram of the present utility model.
Fig. 3 is the third main structure diagram of the present utility model.
Fig. 4 is the 4th kind of main structure diagram of the present utility model.
Mark in accompanying drawing for：1- mounting brackets, 2- mounting holes, 3- rotating devices, 31- endless glides, 32- sliding blocks, 33- circles
Plate, 34-L shape support plates, 35- motors, 36- gears, 37- gear rings, 4- supports, 5- loudspeakers, 6- protection devices, 61- annulars
Seat, 62- toroidal shells, 63- mats, 7- stopping means, 71- vertical poles, 72-L shape poles, 73- limit switches, 8- lines
Hole, 9- wire casings, 10- only shake plate.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of Car Audio loudspeaker support, as Figure 1-4, include mounting bracket 1, rotating device 3 and branch
Frame 4, the left and right sides of mounting bracket 1 are provided with mounting hole 2, rotating device 3 are provided among the bottom of mounting bracket 1, is set on rotating device 3
There is the support 4 for fixing loudspeaker 5.
Embodiment 2
A kind of Car Audio loudspeaker support, as Figure 1-4, include mounting bracket 1, rotating device 3 and branch
Frame 4, the left and right sides of mounting bracket 1 are provided with mounting hole 2, rotating device 3 are provided among the bottom of mounting bracket 1, is set on rotating device 3
There is the support 4 for fixing loudspeaker 5.
Rotating device 3 includes endless glide 31, sliding block 32, plectane 33, L-shaped support plate 34, motor 35, the and of gear 36
Gear ring 37, endless glide 31 are arranged among the bottom of mounting bracket 1 by bolted connection, in endless glide 31 slidably
Provided with sliding block 32, the bottom of sliding block 32 is connected with plectane 33, and the left side of endless glide 31 is provided with L-shaped support plate 34, and L-shaped support plate 34 passes through spiral shell
Tether the mode connect to be connected with mounting bracket 1, motor 35 is installed on L-shaped support plate 34, pacified on the output shaft of motor 35
Equipped with gear 36, the outside of plectane 33 is provided with gear ring 37, and gear 36 engages with gear ring 37, the bottom of plectane 33 and the top of support 4
It is connected.
Embodiment 3
A kind of Car Audio loudspeaker support, as Figure 1-4, include mounting bracket 1, rotating device 3 and branch
Frame 4, the left and right sides of mounting bracket 1 are provided with mounting hole 2, rotating device 3 are provided among the bottom of mounting bracket 1, is set on rotating device 3
There is the support 4 for fixing loudspeaker 5.
Rotating device 3 includes endless glide 31, sliding block 32, plectane 33, L-shaped support plate 34, motor 35, the and of gear 36
Gear ring 37, endless glide 31 are arranged among the bottom of mounting bracket 1 by bolted connection, in endless glide 31 slidably
Provided with sliding block 32, the bottom of sliding block 32 is connected with plectane 33, and the left side of endless glide 31 is provided with L-shaped support plate 34, and L-shaped support plate 34 passes through spiral shell
Tether the mode connect to be connected with mounting bracket 1, motor 35 is installed on L-shaped support plate 34, pacified on the output shaft of motor 35
Equipped with gear 36, the outside of plectane 33 is provided with gear ring 37, and gear 36 engages with gear ring 37, the bottom of plectane 33 and the top of support 4
It is connected.
Also include protection device 6, protection device 6 includes annular seating 61, toroidal shell 62 and mat 63, annular
The outside of slide rail 31 is provided with annular seating 61, and annular seating 61 is arranged on the bottom of mounting bracket 1, annular seating 61 by bolted connection
Outside be provided with external screw thread groove, annular seating 61 is provided with toroidal shell 62, and the inside upper part of toroidal shell 62 is provided with internal thread groove, ring
Shape housing 62 is connected with annular seating 61 by external screw thread groove and internal thread groove, and catch net is provided among the bottom of toroidal shell 62
Cover 63.
Embodiment 4
A kind of Car Audio loudspeaker support, as Figure 1-4, include mounting bracket 1, rotating device 3 and branch
Frame 4, the left and right sides of mounting bracket 1 are provided with mounting hole 2, rotating device 3 are provided among the bottom of mounting bracket 1, is set on rotating device 3
There is the support 4 for fixing loudspeaker 5.
Rotating device 3 includes endless glide 31, sliding block 32, plectane 33, L-shaped support plate 34, motor 35, the and of gear 36
Gear ring 37, endless glide 31 are arranged among the bottom of mounting bracket 1 by bolted connection, in endless glide 31 slidably
Provided with sliding block 32, the bottom of sliding block 32 is connected with plectane 33, and the left side of endless glide 31 is provided with L-shaped support plate 34, and L-shaped support plate 34 passes through spiral shell
Tether the mode connect to be connected with mounting bracket 1, motor 35 is installed on L-shaped support plate 34, pacified on the output shaft of motor 35
Equipped with gear 36, the outside of plectane 33 is provided with gear ring 37, and gear 36 engages with gear ring 37, the bottom of plectane 33 and the top of support 4
It is connected.
Also include protection device 6, protection device 6 includes annular seating 61, toroidal shell 62 and mat 63, annular
The outside of slide rail 31 is provided with annular seating 61, and annular seating 61 is arranged on the bottom of mounting bracket 1, annular seating 61 by bolted connection
Outside be provided with external screw thread groove, annular seating 61 is provided with toroidal shell 62, and the inside upper part of toroidal shell 62 is provided with internal thread groove, ring
Shape housing 62 is connected with annular seating 61 by external screw thread groove and internal thread groove, and catch net is provided among the bottom of toroidal shell 62
Cover 63.
Also include stopping means 7, stopping means 7 includes vertical pole 71, L-shaped pole 72 and limit switch 73, annular
The right side of slide rail 31 is provided with vertical pole 71, and vertical pole 71 is located at the inner side of mat 63, and the front and rear sides of the bottom of vertical pole 71 are pacified
Equipped with limit switch 73, former and later two limit switches 73 have connection, the eccentric connection in the bottom of plectane 33 with motor 35
There is L-shaped pole 72, L-shaped pole 72 is located at same level with limit switch 73.
The top of mounting bracket 1 is provided with string holes 8 and wire casing 9, and string holes 8 is located at the middle part of mounting bracket 1, and wire casing 9 is located at string holes 8 and left side
Between mounting hole 2, string holes 8 connects with wire casing 9.
Also include only shake plate 10, the inner side of toroidal shell 62 is provided with only shake plate 10.
Operation principle：The handle of former car roof is removed, passes through mounting hole 2 with bolt, and mounting bracket 1 is fixed on originally
On the position of ceiling handle, it can so ensure that roof of the vehicle is not destroyed.Loudspeaker 5 is fixed on support 4, it is necessary to adjust
During 5 sound field of loudspeaker, rotating device 3 can be started, rotating device 3 can drive the loudspeaker 5 on support 4 to rotate, treat
After the adjustment angle of loudspeaker 5 is suitable, control rotating device 3 stops.
Because rotating device 3 includes endless glide 31, sliding block 32, plectane 33, L-shaped support plate 34, motor 35, gear
36 and gear ring 37, endless glide 31 is arranged among the bottom of mounting bracket 1 by bolted connection, is slided in endless glide 31
Sliding block 32 is provided with likes, the bottom of sliding block 32 is connected with plectane 33, and the left side of endless glide 31 is provided with L-shaped support plate 34, and L-shaped support plate 34 is logical
Cross bolted mode to be connected with mounting bracket 1, motor 35, the output shaft of motor 35 are installed on L-shaped support plate 34
On gear 36 is installed, the outside of plectane 33 is provided with gear ring 37, and gear 36 engages with gear ring 37, the bottom of plectane 33 and support 4
Top is connected.When the sound field of loudspeaker 5 needs adjustment, start motor 35 and rotate, the rotation driven gear 36 of motor 35
Rotate, the rotational band moving teeth circle 37 of gear 36 and disk rotational, the concomitant rotation of loudspeaker 5, after suitable sound field is found, close and drive
Dynamic motor 35.
Because also including protection device 6, protection device 6 includes annular seating 61, toroidal shell 62 and mat 63,
The outside of endless glide 31 is provided with annular seating 61, and annular seating 61 is arranged on the bottom of mounting bracket 1 by bolted connection, annular
The outside of seat 61 is provided with external screw thread groove, and annular seating 61 is provided with toroidal shell 62, and the inside upper part of toroidal shell 62 is provided with internal thread
Groove, toroidal shell 62 are connected by external screw thread groove and internal thread groove with annular seating 61, are provided among the bottom of toroidal shell 62
Mat 63.Toroidal shell 62 plays a protective role to the loudspeaker 5 on support 4, when loudspeaker 5 need to be changed,
Rotatable circular housing 62 pulls down it from annular seating 61, then loudspeaker 5 can be pulled down into replacing from support 4.Protection
Guard 63 can avoid people from touching the drum paper of loudspeaker 5, cause to rouse the impaired influence tonequality of paper.
Because also including stopping means 7, stopping means 7 includes vertical pole 71, L-shaped pole 72 and limit switch 73,
The right side of endless glide 31 is provided with vertical pole 71, and vertical pole 71 is located at the inner side of mat 63, the front and rear sides of the bottom of vertical pole 71
Limit switch 73 is mounted on, former and later two limit switches 73 have connection, the bottom of plectane 33 bias with motor 35
L-shaped pole 72 is connected with, L-shaped pole 72 is located at same level with limit switch 73.Motor 35 rotates clockwise drive circle
When plate 33 rotates, L-shaped pole 72 can touch the limit switch 73 of the front side of vertical pole 71, and motor 35 rotates counterclockwise.Driving
When motor 35 rotates counterclockwise the drive rotation of plectane 33, L-shaped pole 72 can touch the limit switch 73 of the rear side of vertical pole 71, driving
Motor 35 rotates clockwise, and is so enclosed with regard to that can limit the rotational angle of motor 35 less than one, avoids the tone frequency channel wire quilt of loudspeaker 5
Winding.
Because the top of mounting bracket 1 is provided with string holes 8 and wire casing 9, string holes 8 be located at the middle part of mounting bracket 1, wire casing 9 be located at string holes 8 and
Between left side mounting hole 2, string holes 8 connects with wire casing 9.The tone frequency channel wire connected on loudspeaker 5 is passed through line by loudspeaker 5 after installing
Hole 8 and wire casing 9, tone frequency channel wire can be avoided exposed outside, influenceed attractive in appearance.
Because also including only shake plate 10, the inner side of toroidal shell 62 is provided with only shake plate 10.When loudspeaker 5 works, only shake
Plate 10 can avoid producing resonance between toroidal shell 62 and annular seating 61, reduce noise.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of Car Audio loudspeaker support, it is characterised in that include mounting bracket (1), rotating device (3) and branch
Frame (4), mounting hole (2) is provided with left and right sides of mounting bracket (1), rotating device (3) is installed among mounting bracket (1) bottom, revolve
Rotary device (3) is provided with the support (4) for being used for fixing loudspeaker (5).
A kind of 2. Car Audio loudspeaker support according to claim 1, it is characterised in that rotating device (3)
Include endless glide (31), sliding block (32), plectane (33), L-shaped support plate (34), motor (35), gear (36) and gear ring
(37), endless glide (31) is arranged among mounting bracket (1) bottom by bolted connection, and endless glide is slided on (31)
Sliding block (32) is provided with likes, sliding block (32) bottom is connected with plectane (33), L-shaped support plate (34), L are provided with the left of endless glide (31)
Shape support plate (34) is connected with mounting bracket (1) by bolted connection, and motor (35) is provided with L-shaped support plate (34),
Gear (36) is installed on the output shaft of motor (35), gear ring (37) is installed on the outside of plectane (33), gear (36) with
Gear ring (37) engages, and plectane (33) bottom at the top of support (4) with being connected.
3. a kind of Car Audio loudspeaker support according to claim 2, it is characterised in that also include protection
Device (6), protection device (6) include annular seating (61), toroidal shell (62) and mat (63), endless glide (31)
Outside is provided with annular seating (61), and annular seating (61) is arranged on mounting bracket (1) bottom, annular seating (61) by bolted connection
Outside be provided with external screw thread groove, annular seating (61) is provided with toroidal shell (62), and toroidal shell (62) inside upper part is provided with interior spiral shell
Groove, toroidal shell (62) are connected with annular seating (61) by external screw thread groove and internal thread groove, toroidal shell (62) bottom
Centre is provided with mat (63).
4. a kind of Car Audio loudspeaker support according to claim 3, it is characterised in that also including limited location
Device (7), stopping means (7) include vertical pole (71), L-shaped pole (72) and limit switch (73), and endless glide (31) is right
Side is provided with vertical pole (71), and vertical pole (71) is located on the inside of mat (63), and the front and rear sides of vertical pole (71) bottom are pacified
Equipped with limit switch (73), former and later two limit switches (73) have connection, plectane (33) bottom with motor (35)
Bias is connected with L-shaped pole (72), and L-shaped pole (72) is located at same level with limit switch (73).
5. a kind of Car Audio loudspeaker support according to claim 4, it is characterised in that mounting bracket (1) pushes up
Portion is provided with string holes (8) and wire casing (9), and string holes (8) is located in the middle part of mounting bracket (1), and wire casing (9) is located at string holes (8) and installed with left side
Between hole (2), string holes (8) connects with wire casing (9).
6. a kind of Car Audio loudspeaker support according to claim 5, it is characterised in that also include and only shake
Plate (10), toroidal shell (62) inner side are provided with only shake plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720642046.2U CN207045256U (en) | 2017-06-05 | 2017-06-05 | A kind of Car Audio loudspeaker support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720642046.2U CN207045256U (en) | 2017-06-05 | 2017-06-05 | A kind of Car Audio loudspeaker support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207045256U true CN207045256U (en) | 2018-02-27 |
Family
ID=61491860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720642046.2U Expired - Fee Related CN207045256U (en) | 2017-06-05 | 2017-06-05 | A kind of Car Audio loudspeaker support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207045256U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212193A (en) * | 2020-10-27 | 2021-01-12 | 中拜出行科技股份有限公司 | Network car booking support that shake degree is low |
| CN112827931A (en) * | 2020-12-31 | 2021-05-25 | 安徽名正汽车部件有限公司 | Automobile parts processing is with soaking storehouse |
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
-
2017
- 2017-06-05 CN CN201720642046.2U patent/CN207045256U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212193A (en) * | 2020-10-27 | 2021-01-12 | 中拜出行科技股份有限公司 | Network car booking support that shake degree is low |
| CN112827931A (en) * | 2020-12-31 | 2021-05-25 | 安徽名正汽车部件有限公司 | Automobile parts processing is with soaking storehouse |
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
| CN113810824B (en) * | 2021-10-27 | 2023-04-28 | 安徽井利电子有限公司 | High sensitivity speaker for improving medium and high frequency |
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| 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: 20180227 Termination date: 20190605 |