CN108777821B - Telescopic heat dissipation audio amplifier - Google Patents
Telescopic heat dissipation audio amplifier Download PDFInfo
- Publication number
- CN108777821B CN108777821B CN201810737606.1A CN201810737606A CN108777821B CN 108777821 B CN108777821 B CN 108777821B CN 201810737606 A CN201810737606 A CN 201810737606A CN 108777821 B CN108777821 B CN 108777821B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- wall
- sound box
- box body
- movable rod
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a telescopic heat-dissipation sound box which comprises a base, wherein a plurality of universal wheels are arranged at the bottom of the base, a brake mechanism is arranged on each universal wheel, a fixing plate is sleeved at the top of the outer wall of the base, a plurality of first hydraulic cylinders are arranged at the bottom of the fixing plate, an auxiliary plate is sleeved outside the base below the fixing plate, an outer box body is arranged at the top of the base, a sound box body is arranged inside the outer box body in a matched mode, a water storage layer is arranged on the inner wall of the outer box body, a heat dissipation layer is arranged on the outer wall of the sound box body, a plurality of water delivery pipes are arranged at the top of the inner side of the water storage layer, a plurality of second hydraulic cylinders are arranged at the top of the fixing plate, adjusting chambers are symmetrically arranged on two sides inside the water storage layer, rotating rods, first gears, second movable rods. This audio amplifier convenient to use is swift, and stability is good, can realize flexible, and flexible in-process does not influence the radiating effect.
Description
Technical Field
The invention relates to the technical field of sound equipment, in particular to a telescopic heat dissipation sound box.
Background
The sound refers to sounds other than human speech and music, and includes sounds of natural environments, sounds of animals, sounds of machine tools, various sounds generated by human motions, and the like.
The sound equipment roughly comprises a power amplifier, peripheral equipment (comprising a pressure limiter, an effector, an equalizer, a VCD, a DVD and the like), a loudspeaker (a sound box and a loudspeaker), a sound console, a microphone, display equipment and the like which are added together. Among them, the sound box is a sound output device, a speaker, a subwoofer, etc. A sound box comprises three loudspeakers, namely a high loudspeaker, a low loudspeaker and a middle loudspeaker, but not necessarily three loudspeakers. The development history of sound technology can be divided into four stages, namely a transistor, an integrated circuit and a field effect transistor.
A speaker refers to a device that can convert an audio signal into sound. The popular way is that a power amplifier is arranged in a main box body or a bass box body of the sound box, and the sound is emitted back by the sound box after the audio signal is amplified, so that the sound is increased. The loudspeaker box is a terminal of the whole sound system and is used for converting audio electric energy into corresponding sound energy and radiating the sound energy into a space. It is an extremely important component of an audio system and is responsible for the task of converting electrical signals into acoustic signals for direct listening by the human ear.
However, the existing sound box is inconvenient to use, poor in stability and poor in heat dissipation effect.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a telescopic heat dissipation sound box, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a telescopic heat dissipation sound box comprises a base, wherein a plurality of universal wheels are arranged at the bottom of the base, braking mechanisms are arranged on the universal wheels, a fixed plate is sleeved at the top of the outer wall of the base, a plurality of first hydraulic cylinders are arranged at the bottom of the fixed plate, movably connected first telescopic rods are matched and arranged at the bottoms of the first hydraulic cylinders, a movably connected auxiliary plate is sleeved outside the base below the fixed plate, the bottoms of the first telescopic rods are connected with the tops of the auxiliary plates, rubber pads are arranged at the bottoms of the auxiliary plates, an outer box body is arranged at the top of the base, a movably connected sound box body is matched and arranged inside the outer box body, the top of the sound box body extends to the upper part of the outer box body, a water storage layer is matched and arranged on the outer side of the sound box body on the inner wall of the outer box body, a slide rail is, the bottom of the inner wall of the sliding rail is provided with a first buffer piece, the outer wall of the sound box body is provided with a heat dissipation layer, the top of the inner side of the water storage layer is provided with a plurality of water delivery pipes, the water delivery pipes are connected with the bottom of the heat dissipation layer, the top of the outer wall of the heat dissipation layer is provided with a connecting plate, the top of the fixing plate is provided with a plurality of second hydraulic cylinders, the top of the second hydraulic cylinders is matched with and provided with movably connected second telescopic rods, the top of the second telescopic rods is connected with the bottom of the connecting plate, two sides inside the water storage layer are symmetrically provided with adjusting chambers, the center inside of each adjusting chamber is horizontally provided with a movably connected rotating rod, the rotating rod is sleeved with a first gear and a second gear, one side of the inside of each adjusting chamber, which is far away from the sound box body, is provided with a, a second limiting block is arranged on the outer wall of the second movable rod above the second rack, a second buffer piece is arranged at the top of the second movable rod, the bottom of the second movable rod extends to the lower part of the adjusting chamber and is provided with a push plate matched with the water storage layer, a first movable rod movably connected is arranged in the adjusting chamber and close to one side of the sound box body, a first rack matched with the first gear is arranged on one side of the outer wall of the first movable rod and close to the rotating rod, a first limiting block is arranged on the outer wall of the first movable rod below the first rack, a third buffer piece is arranged at the bottom of the first movable rod, the top of the first movable rod extends to the upper part of the outer box body and is provided with a connecting block, the outer wall of the heat dissipation layer is provided with a first fixed block, the outer wall of the heat dissipation layer is provided with a second fixing block above the first fixing block, and the connecting block is arranged between the first fixing block and the second fixing block.
Preferably, the bottom of the push plate is provided with a sealing ring.
Preferably, the top of the adjusting chamber is provided with a first through hole matched with the first movable rod, and the bottom of the adjusting chamber is provided with a second through hole matched with the second movable rod.
Preferably, the brake mechanism is a hydraulic brake mechanism, and the hydraulic brake mechanism is provided with an elastic member.
Preferably, the fixed plate is of an annular structure, and the first hydraulic cylinders are annularly arranged on the outer side of the fixed plate.
Preferably, the top of the auxiliary plate is provided with a plurality of first connecting frames matched with the first telescopic rods, and the bottom of the connecting plate is provided with a plurality of second connecting frames matched with the second telescopic rods.
Preferably, the first gear and the second gear are the same size.
Preferably, the first buffer member comprises a first baffle and a second baffle, a spring is arranged between the first baffle and the second baffle, and the second buffer member and the third buffer member are identical in structure to the first buffer member.
Compared with the prior art, the invention has the beneficial effects that:
1. the loudspeaker box is provided with the universal wheels and the braking mechanism, so that the loudspeaker box can freely move and brake, and is convenient and quick and good in stability.
By arranging the first hydraulic cylinder and the auxiliary plate, the telescopic adjustment of the auxiliary plate can be realized, the base is supported, and the stability of the sound box is enhanced.
According to the invention, the second hydraulic cylinder is arranged, so that the lifting operation of the sound box body is realized, and the convenience and the rapidness are realized.
According to the loudspeaker box, the water storage layer, the heat dissipation layer, the adjusting chamber, the first fixing block and the second fixing block are arranged, so that water can be squeezed into the heat dissipation layer through the water conveying pipe to dissipate heat while the loudspeaker box is lifted, the heat dissipation effect cannot be reduced due to the lifting of the loudspeaker box body, and the heat dissipation effect is good.
Drawings
FIG. 1 is a schematic view of an overall structure of a retractable heat dissipating sound box according to the present invention;
FIG. 2 is a schematic structural diagram of a substrate of a retractable heat dissipation speaker of the present invention;
FIG. 3 is a schematic structural view of an adjustment chamber of a retractable heat dissipation speaker of the present invention;
FIG. 4 is a schematic structural view of another state of the retractable heat dissipating sound box according to the present invention;
fig. 5 is a schematic structural view of another state of the retractable heat dissipation speaker base according to the present invention.
In the figure: 1. a base; 2. a universal wheel; 3. a brake mechanism; 4. a fixing plate; 5. a first hydraulic cylinder; 6. a first telescopic rod; 7. an auxiliary plate; 8. a rubber pad; 9. an outer case; 10. a sound box body; 11. a water storage layer; 12. a slide rail; 13. a slide bar; 14. a first buffer member; 15. a heat dissipation layer; 16. a water delivery pipe; 17. a connecting plate; 18. a second hydraulic cylinder; 19. a second telescopic rod; 20. a conditioning chamber; 21. a rotating rod; 22. a first gear; 23. a second gear; 24. a second movable bar; 25. a second rack; 26. a second limiting block; 27. a second buffer member; 28. pushing the plate; 29. a first movable bar; 30. a first rack; 31. a first stopper; 32. a third buffer member; 33. connecting blocks; 34. a first fixed block; 35. and a second fixed block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a telescopic heat dissipation sound box comprises a base 1, a plurality of universal wheels 2 are arranged at the bottom of the base 1, a brake mechanism 3 is arranged on each universal wheel 2, a fixing plate 4 is sleeved at the top of the outer wall of the base 1, a plurality of first hydraulic cylinders 5 are arranged at the bottom of the fixing plate 4, movably connected first telescopic rods 6 are matched and arranged at the bottoms of the first hydraulic cylinders 5, a movably connected auxiliary plate 7 is sleeved outside the base 1 below the fixing plate 4, the bottom of each first telescopic rod 6 is connected with the top of the auxiliary plate 7, a rubber pad 8 is arranged at the bottom of each auxiliary plate 7, an outer box 9 is arranged at the top of the base 1, a movably connected sound box body 10 is matched and arranged inside the outer box 9, the top of the sound box body 10 extends to the upper side of the outer box 9, a water storage layer 11 is matched and arranged on the outer side of the sound box body 10 on the inner, the bottom of the inner wall of the sliding rail 12 is provided with a first buffer 14, the outer wall of the sound box body 10 is provided with a heat dissipation layer 15, the top of the inner side of the water storage layer 11 is provided with a plurality of water delivery pipes 16, the water delivery pipes 16 are connected with the bottom of the heat dissipation layer 15, the top of the outer wall of the heat dissipation layer 15 is provided with a connecting plate 17, the top of the fixing plate 4 is provided with a plurality of second hydraulic cylinders 18, the top of the second hydraulic cylinders 18 is matched with a movably connected second telescopic rod 19, the top of the second telescopic rod 19 is connected with the bottom of the connecting plate 17, two sides of the inside of the water storage layer 11 are symmetrically provided with adjusting chambers 20, the center of the inside of each adjusting chamber 20 is horizontally provided with a movably connected rotating rod 21, the rotating rod 21 is sleeved with a first gear 22 and a second gear 23, one side of the inside of each adjusting chamber 20, far away from the sound box body 10, one side of the outer wall of each second, second movable rod 24 top is equipped with second bolster 27, second movable rod 24 bottom extends to regulating chamber 20 below and is equipped with the push pedal 28 with reservoir 11 assorted, regulating chamber 20 inside is close to loudspeaker box body 10 one side and is equipped with swing joint's first movable rod 29, first movable rod 29 outer wall is close to bull stick 21 one side and is equipped with the first rack 30 with first gear 22 assorted, first movable rod 29 outer wall is equipped with first stopper 31 in first rack 30 below, first movable rod 29 bottom is equipped with third bolster 32, first movable rod 29 top extends to outer box 9 top and is equipped with connecting block 33, heat dissipation layer 15 outer wall is equipped with first fixed block 34, heat dissipation layer 15 outer wall is equipped with second fixed block 35 in first fixed block 34 top, and connecting block 33 locates between first fixed block 34 and the second fixed block 35.
A sealing ring is arranged at the bottom of the push plate 28 to prevent water in the water storage layer 11 from leaking; a first through hole matched with the first movable rod 29 is formed in the top of the adjusting chamber 20, and a second through hole matched with the second movable rod 24 is formed in the bottom of the adjusting chamber 20, so that the operation is facilitated; the brake mechanism 3 is a hydraulic brake mechanism, and the hydraulic brake mechanism is provided with an elastic piece, so that the brake effect is good; the fixed plate 4 is of an annular structure, and the first hydraulic cylinders 5 are annularly arranged on the outer side of the fixed plate 4; the top of the auxiliary plate 7 is provided with a plurality of first connecting frames matched with the first telescopic rods 6, the bottom of the connecting plate 17 is provided with a plurality of second connecting frames matched with the second telescopic rods 19, and the hydraulic cylinder is convenient and quick to install and connect; the first gear 22 and the second gear 23 are the same in size; the first buffer member 14 comprises a first baffle plate and a second baffle plate, a spring is arranged between the first baffle plate and the second baffle plate, the second buffer member 27 and the third buffer member 32 are both identical to the first buffer member 14 in structure, and the buffer effect is good.
The working principle and the using process of the invention are as follows: the free movement and braking of the sound box can be realized through the universal wheels 2 and the braking mechanism 3, the convenience and the rapidness are realized, and the stability is good; after the sound box is moved to a proper position, the first hydraulic cylinder 5 is started, the first telescopic rod 6 extends to push the auxiliary plate 7 to move downwards, the bottom of the auxiliary plate 7 is in contact with the ground, and the rubber pad 8 is used for preventing skidding, so that the stability of the sound box can be enhanced; the second hydraulic cylinder 18 is started, the second telescopic rod 19 extends to push the sound box body 10 to move upwards, the sliding strip 13 slides upwards in the sliding rail 12, the first fixed block 34 moves upwards along with the sound box body 10, when the first fixed block 34 is in contact with the connecting block 33, the connecting block 33 is pushed to move upwards, so that the first movable rod 29 is driven to move upwards, the first rack 30 and the first gear 22 are meshed to drive the rotating rod 21 to rotate, so that the second gear 23 is driven to rotate, the second rack 25 is meshed with the second gear 23, so that the second movable rod 24 moves downwards, the push plate 28 is driven to move downwards, water in the water storage layer 11 is pushed downwards, the water is squeezed into the heat dissipation layer 15 through the water conveying pipe 16 to dissipate heat, the heat dissipation effect cannot be reduced due to the lifting of the sound box body 10, and the heat dissipation effect is good; when the second telescopic link 19 contracts, the slide bar 13 slides in the slide rail 12, when the second fixed block 35 contacts with the top of the connecting block 33, the second fixed block 35 continues to move downwards along with the sound box body 10, the connecting block 33 is pushed to move downwards, thereby driving the first movable rod 29 to move downwards, the first rack 30 and the first gear 22 are meshed with each other to drive the rotating rod 21 to rotate, further driving the second gear 23 to rotate, the second rack 25 is meshed with the second gear 23, further realizing the upward movement of the second movable rod 24, driving the push plate 28 to move upwards, and the water level inside the water storage layer 11 rises back.
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 (8)
1. The utility model provides a telescopic heat dissipation audio amplifier, includes base (1), its characterized in that: the bottom of the base (1) is provided with a plurality of universal wheels (2), the universal wheels (2) are provided with brake mechanisms (3), the top of the outer wall of the base (1) is sleeved with a fixed plate (4), the bottom of the fixed plate (4) is provided with a plurality of first hydraulic cylinders (5), the bottoms of the first hydraulic cylinders (5) are matched and provided with movably connected first telescopic rods (6), the outer side of the base (1) is sleeved with a movably connected auxiliary plate (7) below the fixed plate (4), the bottom of the first telescopic rod (6) is connected with the top of the auxiliary plate (7), the bottom of the auxiliary plate (7) is provided with a rubber pad (8), the top of the base (1) is provided with an outer box body (9), a movably connected sound box body (10) is matched and arranged in the outer box body (9), and the top of the sound box body (10) extends to the upper part of the outer, the inner wall of the outer box body (9) is provided with a water storage layer (11) in a matching manner on the outer side of the sound box body (10), the inner wall of the water storage layer (11) is provided with a slide rail (12), the outer wall of the sound box body (10) is provided with a slide bar (13) matched with the slide rail (12), the bottom of the inner wall of the slide rail (12) is provided with a first buffer piece (14), the outer wall of the sound box body (10) is provided with a heat dissipation layer (15), the top of the inner side of the water storage layer (11) is provided with a plurality of water pipes (16), the water pipes (16) are connected with the bottom of the heat dissipation layer (15), the top of the outer wall of the heat dissipation layer (15) is provided with a connecting plate (17), the top of the fixing plate (4) is provided with a plurality of second hydraulic cylinders (18), the top of the second hydraulic cylinders (18) is provided, the inside bilateral symmetry of reservoir stratum (11) is equipped with control chamber (20), the inside central level of control chamber (20) is equipped with swing joint's bull stick (21), the cover is equipped with first gear (22) and second gear (23) on bull stick (21), the inside second movable rod (24) of being equipped with swing joint of keeping away from on one side of audio amplifier body (10) of control chamber (20), second movable rod (24) outer wall is close to bull stick (21) one side be equipped with second gear (23) assorted second rack (25), second movable rod (24) outer wall in second rack (25) top is equipped with second stopper (26), second movable rod (24) top is equipped with second bolster (27), second movable rod (24) bottom extend to be equipped with reservoir stratum (11) assorted push pedal (28) below control chamber (20), a first movable rod (29) movably connected is arranged at one side of the interior of the adjusting chamber (20) close to the sound box body (10), a first rack (30) matched with the first gear (22) is arranged on one side of the outer wall of the first movable rod (29) close to the rotating rod (21), a first limit block (31) is arranged below the first rack (30) on the outer wall of the first movable rod (29), a third buffer piece (32) is arranged at the bottom of the first movable rod (29), a connecting block (33) is arranged at the top of the first movable rod (29) and extends to the upper part of the outer box body (9), a first fixed block (34) is arranged on the outer wall of the heat dissipation layer (15), a second fixed block (35) is arranged on the outer wall of the heat dissipation layer (15) above the first fixed block (34), and the connecting block (33) is arranged between the first fixing block (34) and the second fixing block (35).
2. The telescopic heat dissipation sound box according to claim 1, wherein: and a sealing ring is arranged at the bottom of the push plate (28).
3. The telescopic heat dissipation sound box according to claim 1, wherein: the top of the adjusting chamber (20) is provided with a first through hole matched with the first movable rod (29), and the bottom of the adjusting chamber (20) is provided with a second through hole matched with the second movable rod (24).
4. The telescopic heat dissipation sound box according to claim 1, wherein: the brake mechanism (3) is a hydraulic brake mechanism, and an elastic piece is arranged on the hydraulic brake mechanism.
5. The telescopic heat dissipation sound box according to claim 1, wherein: the fixed plate (4) is of an annular structure, and the first hydraulic cylinders (5) are annularly arranged on the outer side of the fixed plate (4).
6. The telescopic heat dissipation sound box according to claim 1, wherein: the top of the auxiliary plate (7) is provided with a plurality of first connecting frames matched with the first telescopic rods (6), and the bottom of the connecting plate (17) is provided with a plurality of second connecting frames matched with the second telescopic rods (19).
7. The telescopic heat dissipation sound box according to claim 1, wherein: the first gear (22) and the second gear (23) are the same in size.
8. The telescopic heat dissipation sound box according to claim 1, wherein: the first buffer piece (14) comprises a first baffle plate and a second baffle plate, a spring is arranged between the first baffle plate and the second baffle plate, and the second buffer piece (27) and the third buffer piece (32) are identical to the first buffer piece (14) in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737606.1A CN108777821B (en) | 2018-07-06 | 2018-07-06 | Telescopic heat dissipation audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737606.1A CN108777821B (en) | 2018-07-06 | 2018-07-06 | Telescopic heat dissipation audio amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777821A CN108777821A (en) | 2018-11-09 |
| CN108777821B true CN108777821B (en) | 2020-06-16 |
Family
ID=64029637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810737606.1A Active CN108777821B (en) | 2018-07-06 | 2018-07-06 | Telescopic heat dissipation audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777821B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380351B (en) * | 2019-07-29 | 2020-07-07 | 国家电网有限公司 | Power cabinet with good heat dissipation and water resistance for precision instrument |
| CN110784787B (en) * | 2019-11-13 | 2021-04-06 | 深圳市丽耳科技有限公司 | Bluetooth sound box with anti-falling function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129007A (en) * | 2014-07-10 | 2014-11-05 | 高峰 | Tablet press |
| CN107539830A (en) * | 2017-09-29 | 2018-01-05 | 嘉兴市雄辉纺织有限公司 | One kind weaving creel |
| CN207104019U (en) * | 2017-07-31 | 2018-03-16 | 山东星通电讯科技股份有限公司 | Die head threading machine |
| CN207494821U (en) * | 2017-09-07 | 2018-06-15 | 浙江梅园实业有限公司 | A kind of steam turbine heat-resisting steels mending of iron castings processes radiator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846756B (en) * | 2014-03-03 | 2016-04-06 | 朱联江 | A kind of full automatic polishing brick flooring sander |
| US10123121B2 (en) * | 2015-01-09 | 2018-11-06 | Sony Corporation | Water proof speaker device |
| CN204780910U (en) * | 2015-04-16 | 2015-11-18 | 武汉科技大学 | Pile driver equipment |
| CN206402388U (en) * | 2017-01-26 | 2017-08-11 | 广州市德士奥音响设备有限公司 | A kind of sound column audio amplifier for outside broadcast |
| CN207382530U (en) * | 2017-08-11 | 2018-05-18 | 广州市育贝文化传播有限公司 | A kind of water-cooling type is conducive to the sound equipment of heat dissipation |
| CN107734443B (en) * | 2017-11-20 | 2020-06-12 | 马鞍山思哲知识产权服务有限公司 | Sound equipment surface paint spraying and air drying device |
| CN107967826A (en) * | 2017-12-14 | 2018-04-27 | 詹柱友 | A kind of multifunctional network educational multimedia instructional device |
-
2018
- 2018-07-06 CN CN201810737606.1A patent/CN108777821B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129007A (en) * | 2014-07-10 | 2014-11-05 | 高峰 | Tablet press |
| CN207104019U (en) * | 2017-07-31 | 2018-03-16 | 山东星通电讯科技股份有限公司 | Die head threading machine |
| CN207494821U (en) * | 2017-09-07 | 2018-06-15 | 浙江梅园实业有限公司 | A kind of steam turbine heat-resisting steels mending of iron castings processes radiator |
| CN107539830A (en) * | 2017-09-29 | 2018-01-05 | 嘉兴市雄辉纺织有限公司 | One kind weaving creel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108777821A (en) | 2018-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108777821B (en) | Telescopic heat dissipation audio amplifier | |
| CN207531031U (en) | A kind of earphone winding displacement pressurizer | |
| CN1992994A (en) | Portable speaker of portable multimedia device | |
| CN213072978U (en) | Portable novel stereo set | |
| CN207083210U (en) | A kind of wear-type bluetooth earphone of adjustable size | |
| CN208118248U (en) | A kind of earphone outer covering mold | |
| CN206819738U (en) | A kind of portable old walkman | |
| CN207316418U (en) | A kind of sound equipment mounting and fixing bracket | |
| CN207603753U (en) | A kind of mobile phone loudspeaker | |
| CN207340139U (en) | The audio playing apparatus of permanent tack | |
| CN212850960U (en) | Durable anti bone conduction earphone that falls | |
| CN207340138U (en) | The audio playing apparatus of hearing user can be protected | |
| CN207340137U (en) | Easy to the audio playing apparatus of folding and unfolding | |
| CN207340135U (en) | Design rational audio playing apparatus | |
| CN208063394U (en) | A kind of sound equipment with projecting apparatus | |
| CN208299993U (en) | A kind of education on foreign language earphone | |
| CN207665129U (en) | A kind of sound equipment of adjustable-angle | |
| CN205179335U (en) | Telescopic sucking disc bluetooth speaker | |
| CN213244282U (en) | Sound box convenient to carry | |
| CN208174913U (en) | A kind of audio device of good damping effect | |
| CN210351482U (en) | Sound installation support convenient to dismantle | |
| CN213403401U (en) | Multifunctional outdoor sound equipment | |
| CN204887142U (en) | Novel cell -phone megaphone | |
| CN210518731U (en) | DVD intelligence head of a bed stereo set | |
| CN213403406U (en) | Wall-mounted sound box equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200521 Address after: 518000 615, building 20, Yitian Garden Phase II, no.216, bodi Road, Fubao community, Futian District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Tiange Intelligent Technology Co., Ltd Address before: 512000 No. 4, Zhang Wu dam, Luo Keng Village Committee, Luo Gang Town, Qujiang District, Shaoguan, Guangdong Applicant before: Zhang Chuansai |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |