CN110410649A - A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction - Google Patents
A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction Download PDFInfo
- Publication number
- CN110410649A CN110410649A CN201910766831.2A CN201910766831A CN110410649A CN 110410649 A CN110410649 A CN 110410649A CN 201910766831 A CN201910766831 A CN 201910766831A CN 110410649 A CN110410649 A CN 110410649A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- low voltage
- sound insulation
- electrical equipment
- voltage electrical
- 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.)
- Pending
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Classifications
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
Abstract
The invention belongs to high and low voltage electrical equipment technical fields, the high and low voltage electrical equipment lifting device of especially a kind of sound insulation and noise reduction, for the problem that the sound insulation and noise reduction effect of existing high and low voltage electrical equipment lifting device is poor, now propose following scheme comprising device housing, fixed case, motor, output shaft, threaded rod, supporting element and noise reduction component；The connection of the output end of output shaft and motor；Threaded rod is vertically arranged and is rotatablely connected with device housing, and driving member is horizontally disposed with and be sequentially connected output shaft and threaded rod；Supporting element connection fixture, bottom end are threadedly coupled with threaded rod；Fixing piece connecting circuit ontology；Device housing includes puigging, reinforcing layer and noise reduction layer；Vacuum chamber is equipped in puigging；Noise reduction layer surface is equipped with protrusion, and convex surfaces are equipped with the first acoustical cotton.The present invention can be such that the noise generated in operating process constantly weakens, sound insulation and noise reduction performance is splendid, and noise is avoided to bring adverse effect to the physical and mental health of neighbouring personnel by the way that a variety of denoising structures are arranged.
Description
Technical field
The present invention relates to a kind of high and low voltage electrical equipment of high and low voltage electrical equipment technical field more particularly to sound insulation and noise reduction lifting dresses
It sets.
Background technique
Noise refers to that pitch and loudness of a sound variation are chaotic, sounds disharmonic sound, is produced by the irregular vibration of sounding body
Raw, from the perspective of physics, noise is that sounding body does the sound issued when random vibration；Noise also refers in certain ring
Should not have and some sound in border, refer to noisy, ear-piercing sound, it is all to hamper people just from the point of view of environmental protection
It often rests, the sound of study and work, and generates the sound of interference to the sound to be listened of people, belong to noise；Noise is
One kind causes the sound that people is irritated or volume is too strong and is detrimental to health, and noise pollution is mainly derived from communications and transportation, vehicle
Whistle, industrial noise, construction, social noise such as music hall, high-pitched speaker, morning market and people speak up；
High and low voltage electrical equipment lifting device is as its name suggests one kind for adjusting high and low voltage electrical equipment vertical direction height
Device, to be easy to use high and low voltage electrical equipment；
And the sound insulation and noise reduction performance of existing high and low voltage electrical equipment lifting device is poor, can generate in use larger
Noise, adverse effect can be brought to the physical and mental health of neighbouring personnel.
Summary of the invention
A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention, by the way that a variety of denoising structures are arranged,
The noise generated in operating process can be made constantly to weaken, sound insulation and noise reduction performance is splendid, avoids noise to the body and mind of neighbouring personnel
Health care belt adversely affects, and structure is simple, facilitate carry out descending operation, time saving and energy saving.
To achieve the goals above, present invention employs following technical solutions:
A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction, including device housing, fixed case, motor, output shaft, spiral shell
Rasp bar, supporting element, guide part and noise reduction component；
Hole capital after selling all securities is equipped in device housing, fixed case setting is on the device housing and in hole capital after selling all securities；Motor is arranged in fixation
On case, output shaft is vertically arranged and connect with the output end of motor；Threaded rod is vertically arranged and is rotatablely connected with device housing, passes
Moving part is horizontally disposed with and be sequentially connected output shaft and threaded rod；Supporting element is vertically arranged and is equipped with downward opening thread groove, and
Top connection fixture, bottom end are threadedly coupled with threaded rod；Fixing piece connecting circuit ontology；Guide part is horizontally set on supporting element
Above and with device housing it is slidably connected；
Device housing includes puigging, reinforcing layer and noise reduction layer, and puigging is located at outermost, and reinforcing layer is located at puigging
Between noise reduction layer；Vacuum chamber is equipped in puigging；Noise reduction layer surface is equipped with protrusion, and convex surfaces are equipped with the first acoustical cotton；
Noise reduction component includes hush pipe, the second acoustical cotton, noise reduction ring, acoustical panel and elastic component；Hush pipe is horizontally set on
In noise reduction layer, and it is open towards hole capital after selling all securities；Noise reduction ring is interior on hush pipe to be equipped with multiple groups, and noise reduction ring is located at close to hush pipe nozzle
Position；Acoustical panel is slidably arranged in hush pipe；Elastic component joint noise reduction plate and hush pipe.
Preferably, it is horizontally disposed with first bevel gear on output shaft, second bevel gear and third cone are vertically arranged on driving member
Gear is horizontally disposed with the 4th bevel gear on threaded rod；
First bevel gear and second bevel gear are connected by meshing transmission, and third hand tap gear and the 4th bevel gear engaged transmission are even
It connects.
Preferably, driving member is distributed around output shaft circular array.
Preferably, device housing bottom is equipped with universal wheel.
Preferably, guide part is equipped with sliding part, and limit sliding chutes are vertically arranged in device housing, and guide part is located at limit and slides
It is slidably connected in slot and with device housing.
Preferably, protrusion is hemispherical dome structure.
Preferably, in hush pipe by the direction in nozzle to pipe, the internal diameter of noise reduction ring constantly expands.
Preferably, the number of noise reduction component is multiple groups.
Preferably, the number of acoustical panel is multiple groups, and adjacent two acoustical panel is connected by elastic component.
Compared with prior art, the beneficial effects of the present invention are:
Output shaft carries out horizontal direction circular-rotation and each driving member is driven to carry out vertical direction circular-rotation, to drive
Each threaded rod carries out horizontal direction circular-rotation, and supporting element carries out vertical direction and moves up and down, and guide part plays guiding role,
Be conducive to the stabilization of support movements process；Electric appliance ontology carries out vertical direction with supporting element and moves above and below, realizes electric appliance ontology
Lifting, it is easy to operate, be easy to use；
Protrusion reflects noise, and the first acoustical cotton absorbs noise, in constantly reflection and absorption process,
Noise gradually weakens；
Noise enters in hush pipe, by the way that multiple groups noise reduction ring is arranged, plays the role of preliminary noise reduction；Acoustical panel is again to making an uproar
Sound carries out noise reduction processing, and acoustical panel is slided, and elastic component is compressed and resetted, and energy contained by noise is advantageously reduced
Amount, weakens noise gradually；Second acoustical cotton absorbs noise, significantly improves noise reduction effect；
By the way that puigging is arranged, vacuum chamber is set in puigging, barrier action is played to noise, can effectively prevent noise
It outwardly propagates, further improves sound insulation and noise reduction performance；
The present invention can be such that the noise generated in operating process constantly weakens, sound insulation drop by the way that a variety of denoising structures are arranged
Performance of making an uproar is splendid, avoids noise from bringing adverse effect to the physical and mental health of neighbouring personnel, and structure is simple, facilitates and gone up and down
Operation, it is time saving and energy saving.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention；
Fig. 2 is a kind of front view of the high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention；
Fig. 3 is the structural representation of puigging in a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention
Figure；
Fig. 4 is the structural representation of noise reduction layer in a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention
Figure；
Fig. 5 is that the structure of noise reduction component in a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention is shown
It is intended to；
Fig. 6 is output shaft and driving member in a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction proposed by the present invention
Connection figure (vertical view).
In figure: 1, device housing；2, puigging；3, reinforcing layer；4, noise reduction layer；5, electric appliance ontology；6, fixed case；7, electric
Machine；8, output shaft；9, driving member；10, threaded rod；11, supporting element；12, fixing piece；13, universal wheel；14, guide part；15, convex
It rises；16, the first acoustical cotton；17, vacuum chamber；18, noise reduction component；19, hush pipe；20, the second acoustical cotton；21, noise reduction ring；22,
Acoustical panel；23, elastic component；24, first bevel gear；25, second bevel gear；26, third hand tap gear；27, the 4th bevel gear；28,
Hole capital after selling all securities.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-6, the high and low voltage electrical equipment lifting device of a kind of sound insulation and noise reduction, including device housing 1, fixed case 6, electricity
Machine 7, output shaft 8, threaded rod 10, supporting element 11, guide part 14 and noise reduction component 18；
Hole capital after selling all securities 28 is equipped in device housing 1, fixed case 6 is arranged in device housing 1 and is located in hole capital after selling all securities 28；Motor 7 is set
It sets on fixed case 6, output shaft 8 is vertically arranged and connect with the output end of motor 7；Threaded rod 10 be vertically arranged and with device shell
Body 1 is rotatablely connected；Driving member 9 is distributed around 8 circular array of output shaft, and driving member 9 is horizontally disposed with and the output shaft 8 that is sequentially connected
With threaded rod 10；Supporting element 11 is vertically arranged and is equipped with downward opening thread groove, and top connection fixture 12, bottom end and spiral shell
Rasp bar 10 is threadedly coupled；12 connecting circuit ontology 5 of fixing piece；Guide part 14 is horizontally set on supporting element 11 and and device housing
1 is slidably connected；
Device housing 1 includes puigging 2, reinforcing layer 3 and noise reduction layer 4, and puigging 2 is located at outermost, and reinforcing layer 3 is located at
Between puigging 2 and noise reduction layer 4；Vacuum chamber 17 is equipped in puigging 2；4 surface of noise reduction layer is equipped with protrusion 15, and raised 15 surfaces are set
There is the first acoustical cotton 16；
The number of noise reduction component 18 be multiple groups, noise reduction component 18 include hush pipe 19, the second acoustical cotton 20, noise reduction ring 21,
Acoustical panel 22 and elastic component 23；Hush pipe 19 is horizontally set in noise reduction layer 4, and is open towards hole capital after selling all securities 28；Noise reduction ring 21 is disappearing
Multiple groups are equipped in sound tube 19, and noise reduction ring 21 is located at close to the position of 19 nozzle of hush pipe；Acoustical panel 22, which is slidably arranged in, to disappear
In sound tube 19；23 joint noise reduction plate 22 of elastic component and hush pipe 19.
In an alternative embodiment, it is horizontally disposed with first bevel gear 24 on output shaft 8, is vertically arranged on driving member 9
Second bevel gear 25 and third hand tap gear 26 are horizontally disposed with the 4th bevel gear 27 on threaded rod 10；
First bevel gear 24 and second bevel gear 25 are connected by meshing transmission, and third hand tap gear 26 is engaged with the 4th bevel gear 27
Transmission connection.Output shaft 8 makes first bevel gear 24 carry out horizontal direction circular-rotation, and then first bevel gear 24 and the second cone tooth
Wheel 25, which matches, makes driving member 9 carry out vertical direction circular-rotation, and third hand tap gear 26 is matched with the 4th bevel gear 27 later
Threaded rod 10 is set to carry out horizontal direction circular-rotation.
In an alternative embodiment, 1 bottom of device housing is equipped with universal wheel 13, and universal wheel 13 is equipped with service brake, side
Just device is moved and is fixed, be convenient for transporting, flexibility is preferable.
In an alternative embodiment, guide part 14 is equipped with sliding part, and limit is vertically arranged in device housing 1 and is slided
Slot, guide part 14 are located in limit sliding chutes and are slidably connected with device housing 1.Sliding part is slided along limit sliding chutes, limit
Position sliding slot plays the role of guiding and limit, not only contributes to electric appliance ontology 5 in the stabilization of vertical direction motion process, moreover it is possible to keep away
Exempt from supporting element 11 to separate with threaded rod 10.
In an alternative embodiment, protrusion 15 is hemispherical dome structure, noise can be made constantly to be reflected, and is improved
Erasure effect, additionally it is possible to increase surface area, and then increase the surface area for the first acoustical cotton 16 for being covered on its surface, improve and inhale
Audio fruit.
In an alternative embodiment, in hush pipe 19 by the direction in nozzle to pipe, the internal diameter of noise reduction ring 21 is continuous
Expand, noise can be made constantly to spread apart and be absorbed, the noise reduction effect significantly improved.
In an alternative embodiment, the number of acoustical panel 22 is multiple groups, and adjacent two acoustical panel 22 passes through elastic component
23 connections, can further increase sound insulation and noise reduction effect.
In the present invention, motor 7 makes output shaft 8 carry out horizontal direction circular-rotation, and then each driving member 9 is driven to carry out vertically
Direction circular-rotation, so that each threaded rod 10 be driven to carry out horizontal direction circular-rotation；Due to supporting element 11 be vertically arranged and with
Threaded rod 10 is threadedly coupled, therefore supporting element 11 carries out vertical direction and moves up and down, and guide part 14 plays guiding role, favorably
In the stabilization of 11 motion process of supporting element；Electric appliance ontology 5 carries out vertical direction with supporting element 11 and moves above and below, realizes electric appliance sheet
The lifting of body 5, it is easy to operate, it is easy to use；
Noise can be generated in lifting process；Raised 15 pairs of noises reflect, and the first acoustical cotton 16 inhales noise
It receives, in constantly reflection and absorption process, noise gradually weakens；Noise enters in hush pipe 19, by the way that multiple groups noise reduction is arranged
Ring 21 plays the role of preliminary noise reduction；Acoustical panel 22 carries out noise reduction processing to noise again, and acoustical panel 22 is slided,
Elastic component 23 is compressed and is resetted, and is advantageously reduced energy contained by noise, is weakened noise gradually；Second acoustical cotton 20 is right
Noise is absorbed, and noise reduction effect is significantly improved；
And by setting puigging 2, vacuum chamber 17 is set in puigging 2, barrier action is played to noise, it can be effective
It prevents noise from outwardly propagating, further improves sound insulation and noise reduction performance；
The present invention can be such that the noise generated in operating process constantly weakens, sound insulation drop by the way that a variety of denoising structures are arranged
Performance of making an uproar is splendid, avoids noise from bringing adverse effect to the physical and mental health of neighbouring personnel, and structure is simple, facilitates and gone up and down
Operation, it is time saving and energy saving.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction, which is characterized in that including device housing (1), fixed case
(6), motor (7), output shaft (8), threaded rod (10), supporting element (11), guide part (14) and noise reduction component (18)；
Hole capital after selling all securities (28) are equipped in device housing (1), fixed case (6) is arranged on device housing (1) and is located in hole capital after selling all securities (28)；Electricity
Machine (7) is arranged on fixed case (6), and output shaft (8) is vertically arranged and connect with the output end of motor (7)；Threaded rod (10) is perpendicular
Straight setting is simultaneously rotatablely connected with device housing (1), and driving member (9) is horizontally disposed and the output shaft that is sequentially connected (8) and threaded rod
(10)；Supporting element (11) is vertically arranged and is equipped with downward opening thread groove, and top connection fixture (12), bottom end and screw thread
Bar (10) is threadedly coupled；Fixing piece (12) connecting circuit ontology (5)；Guide part (14) be horizontally set on supporting element (11) and with
Device housing (1) is slidably connected；
Device housing (1) includes puigging (2), reinforcing layer (3) and noise reduction layer (4), and puigging (2) is located at outermost, is reinforced
Layer (3) is located between puigging (2) and noise reduction layer (4)；Vacuum chamber (17) are equipped in puigging (2)；Noise reduction layer (4) surface is equipped with
Raised (15), raised (15) surface are equipped with the first acoustical cotton (16)；
Noise reduction component (18) includes hush pipe (19), the second acoustical cotton (20), noise reduction ring (21), acoustical panel (22) and elastic component
(23)；Hush pipe (19) is horizontally set on noise reduction layer (4), and is open towards hole capital after selling all securities (28)；Noise reduction ring (21) is in hush pipe
(19) multiple groups are equipped on, and noise reduction ring (21) is located at close to the position of hush pipe (19) nozzle；Acoustical panel (22) sliding setting
In hush pipe (19)；Elastic component (23) joint noise reduction plate (22) and hush pipe (19).
2. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that output shaft
(8) first bevel gear (24) are horizontally disposed on, are vertically arranged second bevel gear (25) and third hand tap gear on driving member (9)
(26), the 4th bevel gear (27) is horizontally disposed on threaded rod (10)；
First bevel gear (24) and second bevel gear (25) are connected by meshing transmission, third hand tap gear (26) and the 4th bevel gear (27)
It is connected by meshing transmission.
3. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that driving member
(9) it is distributed around output shaft (8) circular array.
4. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that device shell
Body (1) bottom is equipped with universal wheel (13).
5. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that guide part
(14) be equipped with sliding part, be vertically arranged limit sliding chutes in device housing (1), guide part (14) be located at limit sliding chutes it is interior and with dress
Shell (1) is set to be slidably connected.
6. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that protrusion
It (15) is hemispherical dome structure.
7. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that in noise reduction
(19) are managed by the direction in nozzle to pipe, the internal diameter of noise reduction ring (21) constantly expands.
8. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that noise reduction group
The number of part (18) is multiple groups.
9. a kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction according to claim 1, which is characterized in that acoustical panel
(22) number is multiple groups, and adjacent two acoustical panel (22) is connected by elastic component (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910766831.2A CN110410649A (en) | 2019-08-20 | 2019-08-20 | A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910766831.2A CN110410649A (en) | 2019-08-20 | 2019-08-20 | A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110410649A true CN110410649A (en) | 2019-11-05 |
Family
ID=68367969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910766831.2A Pending CN110410649A (en) | 2019-08-20 | 2019-08-20 | A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction |
Country Status (1)
| Country | Link |
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| CN (1) | CN110410649A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923321A (en) * | 2020-07-08 | 2022-01-11 | 荣耀终端有限公司 | Camera lifting module and electronic equipment |
| WO2022180280A1 (en) | 2021-02-25 | 2022-09-01 | Defensya Ingeniería Internacional, S.L. | System to eliminate sound noise inside a receptacle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210587A (en) * | 1995-02-02 | 1996-08-20 | Takigen Mfg Co Ltd | Adjusting leg of machinery and equipment |
| CN102235208A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Silencer |
| CN106227308A (en) * | 2016-08-29 | 2016-12-14 | 四川弘毅智慧知识产权运营有限公司 | The radioprotective noise abatement computer heat exchange box that a kind of Smart Home is special |
| CN108006403A (en) * | 2017-12-30 | 2018-05-08 | 付淑珍 | A kind of medical instrument support device |
| CN208311776U (en) * | 2018-04-13 | 2019-01-01 | 天津石文达科技发展有限公司 | A kind of exhaust pipe denoising device |
| CN208620004U (en) * | 2018-07-12 | 2019-03-19 | 江苏创迈达智能科技有限公司 | A kind of industrial robot mounting seat |
| CN208764616U (en) * | 2018-09-04 | 2019-04-19 | 江西服装学院 | A kind of truck video playing system |
| CN209150604U (en) * | 2019-01-22 | 2019-07-23 | 厦门先德开关有限公司 | A kind of environment-friendly type safety ring network cabinet |
-
2019
- 2019-08-20 CN CN201910766831.2A patent/CN110410649A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210587A (en) * | 1995-02-02 | 1996-08-20 | Takigen Mfg Co Ltd | Adjusting leg of machinery and equipment |
| CN102235208A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Silencer |
| CN106227308A (en) * | 2016-08-29 | 2016-12-14 | 四川弘毅智慧知识产权运营有限公司 | The radioprotective noise abatement computer heat exchange box that a kind of Smart Home is special |
| CN108006403A (en) * | 2017-12-30 | 2018-05-08 | 付淑珍 | A kind of medical instrument support device |
| CN208311776U (en) * | 2018-04-13 | 2019-01-01 | 天津石文达科技发展有限公司 | A kind of exhaust pipe denoising device |
| CN208620004U (en) * | 2018-07-12 | 2019-03-19 | 江苏创迈达智能科技有限公司 | A kind of industrial robot mounting seat |
| CN208764616U (en) * | 2018-09-04 | 2019-04-19 | 江西服装学院 | A kind of truck video playing system |
| CN209150604U (en) * | 2019-01-22 | 2019-07-23 | 厦门先德开关有限公司 | A kind of environment-friendly type safety ring network cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923321A (en) * | 2020-07-08 | 2022-01-11 | 荣耀终端有限公司 | Camera lifting module and electronic equipment |
| CN113923321B (en) * | 2020-07-08 | 2022-09-02 | 荣耀终端有限公司 | Camera lifting module and electronic equipment |
| WO2022180280A1 (en) | 2021-02-25 | 2022-09-01 | Defensya Ingeniería Internacional, S.L. | System to eliminate sound noise inside a receptacle |
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Application publication date: 20191105 |
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| RJ01 | Rejection of invention patent application after publication |