CN204046766U - Lift - Google Patents
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- Publication number
- CN204046766U CN204046766U CN201420502939.3U CN201420502939U CN204046766U CN 204046766 U CN204046766 U CN 204046766U CN 201420502939 U CN201420502939 U CN 201420502939U CN 204046766 U CN204046766 U CN 204046766U
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- CN
- China
- Prior art keywords
- gear
- terminal pad
- fixed
- expansion link
- gear box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to audio amplifier and manufactures field, in particular to a kind of lift, comprise triangular support bracket, gear box, expansion link, described gear box is fixed on described triangular support bracket, described expansion link is connected with described gear box, the top of described expansion link is fixed with terminal pad, is provided with the first gear, the second gear, the 3rd gear and the 4th gear in described gear box; Described terminal pad is connected with described expansion link by gusseted bar, the surface of described terminal pad is evenly equipped with several bolts hole, described bolt hole coordinates with bolt, one end of described terminal pad is connected with band, and the other end of described band is connected with the fastener being fixed on the described terminal pad other end.The utility model is by improving gear box of the prior art, adopt four gears, by arranging rational speed reducing ratio thus being convenient to audio amplifier up-down adjustment, time saving and energy saving, audio amplifier is all fixed on terminal pad by four direction, improves the fail safe of this support.
Description
Technical field
The utility model relates to audio amplifier and manufactures field, particularly a kind of lift.
Background technology
Audio amplifier is the terminal of whole sound system, and its effect is that audio frequency electric energy is converted to corresponding acoustic energy, and it is radiated space.It is the extremely important part of sound system, the signal of telecommunication is transformed into acoustical signal directly listens to so mission critical because which is responsible for the ear of people, it is wanted directly and the sense of hearing of people is come into contacts with, and the sense of hearing of people is very sensitive, and to the tone color of complex sound, there is very strong resolving ability.Along with the development of communication electronics, portable loudspeaker box is had higher requirement.
A kind of sound box bracket that can regulate is there is in prior art, its structural base adopts the triangular support bracket that can shrink, middle part is with a gear box, gear box inside is the structure of worm and gear, the expansion link of top is driven to move, the sound box bracket of this kind of structure has following shortcoming: audio amplifier can only be lifted down the length of adjustable telescopic rod when adopting worm gear structure to regulate, otherwise due to the heavier-weight of audio amplifier, is difficult to rotary worm; When audio amplifier is arranged on above expansion link, there is no fixture, what have fixture is also be tightly the below being bolted on audio amplifier, generally that a terminal pad is first fixed at expansion link top, terminal pad has fixing hole, and this structure necessarily requires the bolt hole bottom audio amplifier consistent with the fixing hole holding position on terminal pad, otherwise cannot install, so just cause sound box bracket can only be equipped with the audio amplifier of certain model of some producers, cause the versatility of sound box bracket to reduce.
Utility model content
The technical problem that the utility model solves is to provide a kind of lift being convenient to fixed players and is applicable to multiple audio amplifier, and is fixed on expansion link at audio amplifier expansion link also can be made to move up and down.
For achieving the above object, the utility model provides a kind of lift, comprise triangular support bracket, gear box, expansion link, described gear box is fixed on described triangular support bracket, described expansion link is connected with described gear box, the top of described expansion link is fixed with terminal pad, it is characterized in that: in described gear box, be provided with the first gear, second gear, 3rd gear and the 4th gear, described first gear and described second gears meshing, described second gear and described 3rd gear are fixed in same rotating shaft, the diameter of described 3rd gear is less than the diameter of described second gear, described 3rd gear and described 4th gears meshing, the diameter of described 4th gear is identical with the diameter of described 3rd gear, described 4th gear engages with the tooth bar on described expansion link, locking pin is provided with between described tooth bar and described 4th gear, described terminal pad is connected with described expansion link by gusseted bar, the surface of described terminal pad is evenly equipped with several bolts hole, described bolt hole coordinates with bolt, one end of described terminal pad is connected with band, and the other end of described band is connected with the fastener being fixed on the described terminal pad other end.The utility model, by being improved by gear box of the prior art, adopts four gears, by arranging rational speed reducing ratio thus being convenient to audio amplifier up-down adjustment, time saving and energy saving, terminal pad is provided with multiple bolt hole, when the audio amplifier of different size is placed on terminal pad, some bolts hole will be covered, also some bolts hole can be exposed, bolt is screwed in the bolt hole exposed that distance audio amplifier side is nearest, thus audio amplifier can be limited move horizontally, move up and down to prevent audio amplifier, terminal pad arranges several bands, these bands can around audio amplifier top, by fastener, audio amplifier is fixed on terminal pad closely, audio amplifier is all fixed on terminal pad by four direction, securely, not easily drop, improve the fail safe of this support.
Preferably, described fastener is formed primarily of U-shaped frame, band roller, ratchet and ratchet, described band roller is supported on described U-shaped frame, one end of described band roller is provided with pin-and-hole, described pin-and-hole coordinates with pin rod, the other end and the described ratchet of described band roller are affixed, described ratchet and click-fit, and described ratchet is arranged on the side of described U-shaped frame by rotating shaft.This structure is the most preferred mode of this device, and after band is fixing from one end of terminal pad, the other end is wrapped on band roller through audio amplifier top, artificial by moving pin rod, rotated by band roller, the band roller rotation number of turns is more, it is more firm that audio amplifier is fixed by band, each rotating ratchet and ratchet all can cooperatively interact, and ratchet limits by ratchet, prevent band roller from turning round, when needs unclamp, only need ratchet to pull open, this is simple and practical, is easy to operation.
Preferably, described fastener is formed primarily of adapter sleeve, left screw rod, right screw rod, described left and right screw rod is threaded with the two ends of described adapter sleeve respectively, and the hand of spiral on described left and right screw rod is contrary, and the front end of described left and right screw rod is respectively equipped with connecting hole.This structure is the another kind of execution mode of the utility model, by tightening adapter sleeve, left and right screw rod can be drawn close mutually, thus the band at the left and right screw rod two ends of connection can be made to tighten.
Preferably, the side of described triangular support bracket is provided with location notch, and described gear box is fixed by bolt and described triangular support bracket, and this bolt is inserted in described location notch.Gear box can be fixed on triangular support bracket firmly by arranging location notch, prevent in use, gear box is subjected to displacement, and impact uses.
Preferably, described first gear is coaxially fixed with crank.Several pinion rotation can be made by crank, be equivalent to power source.
The beneficial effects of the utility model are: the utility model, by being improved by gear box of the prior art, adopts four gears, by arranging rational speed reducing ratio thus being convenient to audio amplifier up-down adjustment, time saving and energy saving, terminal pad is provided with multiple bolt hole, when the audio amplifier of different size is placed on terminal pad, some bolts hole will be covered, also some bolts hole can be exposed, bolt is screwed in the bolt hole exposed that distance audio amplifier side is nearest, thus audio amplifier can be limited move horizontally, move up and down to prevent audio amplifier, terminal pad arranges several bands, these bands can around audio amplifier top, by fastener, audio amplifier is fixed on terminal pad closely, audio amplifier is all fixed on terminal pad by four direction, securely, not easily drop, improve the fail safe of this support.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is a kind of in the utility model structural representation of fastener;
Fig. 4 is the structural representation of alternative fastener in the utility model.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing and preferred embodiment, as depicted in figs. 1 and 2, a kind of lift, comprise triangular support bracket 1, gear box 2, expansion link 3, described gear box is fixed on described triangular support bracket, described expansion link is connected with described gear box, the top of described expansion link is fixed with terminal pad 4, the first gear 5 is provided with in described gear box, second gear 6, 3rd gear 7 and the 4th gear 8, described first gear and described second gears meshing, described second gear and described 3rd gear are fixed in same rotating shaft, the diameter of described 3rd gear is less than the diameter of described second gear, described 3rd gear and described 4th gears meshing, the diameter of described 4th gear is identical with the diameter of described 3rd gear, described 4th gear engages with the tooth bar 26 on described expansion link, locking pin 27 is provided with between described tooth bar and described 4th gear, described terminal pad is connected with described expansion link by gusseted bar 9, the surface of described terminal pad is evenly equipped with several bolts hole 10, described bolt hole coordinates with bolt 11, one end of described terminal pad is connected with band 12, and the other end of described band is connected with the fastener being fixed on the described terminal pad other end.The utility model, by being improved by gear box of the prior art, adopts four gears, by arranging rational speed reducing ratio thus being convenient to audio amplifier up-down adjustment, time saving and energy saving, terminal pad is provided with multiple bolt hole, when the audio amplifier of different size is placed on terminal pad, some bolts hole will be covered, also some bolts hole can be exposed, bolt is screwed in the bolt hole exposed that distance audio amplifier side is nearest, thus audio amplifier can be limited move horizontally, move up and down to prevent audio amplifier, terminal pad arranges several bands, these bands can around audio amplifier top, by fastener, audio amplifier is fixed on terminal pad closely, audio amplifier is all fixed on terminal pad by four direction, securely, not easily drop, improve the fail safe of this support.
As shown in Figure 3, described fastener is formed primarily of U-shaped frame 13, band roller 14, ratchet 15 and ratchet 16, described band roller is supported on described U-shaped frame, one end of described band roller is provided with pin-and-hole 17, described pin-and-hole coordinates with pin rod 18, the other end and the described ratchet of described band roller are affixed, described ratchet and click-fit, and described ratchet is arranged on the side of described U-shaped frame by rotating shaft.This structure is the most preferred mode of this device, and after band is fixing from one end of terminal pad, the other end is wrapped on band roller through audio amplifier top, artificial by moving pin rod, rotated by band roller, the band roller rotation number of turns is more, it is more firm that audio amplifier is fixed by band, each rotating ratchet and ratchet all can cooperatively interact, and ratchet limits by ratchet, prevent band roller from turning round, when needs unclamp, only need ratchet to pull open, this is simple and practical, is easy to operation.
As shown in Figure 4, described fastener is formed primarily of adapter sleeve 19, left screw rod 20, right screw rod 21, described left and right screw rod is threaded with the two ends of described adapter sleeve respectively, and the hand of spiral on described left and right screw rod is contrary, and the front end of described left and right screw rod is respectively equipped with connecting hole 22.This structure is the another kind of execution mode of the utility model, by tightening adapter sleeve, left and right screw rod can be drawn close mutually, thus the band at the left and right screw rod two ends of connection can be made to tighten.
As further improvement of the utility model, the side of described triangular support bracket is provided with location notch 23, and described gear box is fixed by bolt 24 and described triangular support bracket, and this bolt is inserted in described location notch.Gear box can be fixed on triangular support bracket firmly by arranging location notch, prevent in use, gear box is subjected to displacement, and impact uses.Described first gear is coaxially fixed with crank 25.Several pinion rotation can be made by crank, be equivalent to power source.
The utility model, by being improved by gear box of the prior art, adopts four gears, by arranging rational speed reducing ratio thus being convenient to audio amplifier up-down adjustment, time saving and energy saving, terminal pad is provided with multiple bolt hole, when the audio amplifier 28 of different size is placed on terminal pad, some bolts hole will be covered, also some bolts hole can be exposed, bolt is screwed in the bolt hole exposed that distance audio amplifier side is nearest, thus audio amplifier can be limited move horizontally, move up and down to prevent audio amplifier, terminal pad arranges several bands, these bands can around audio amplifier top, by fastener, audio amplifier is fixed on terminal pad closely, audio amplifier is all fixed on terminal pad by four direction, securely, not easily drop, improve the fail safe of this support.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a lift, comprise triangular support bracket, gear box, expansion link, described gear box is fixed on described triangular support bracket, described expansion link is connected with described gear box, the top of described expansion link is fixed with terminal pad, it is characterized in that: in described gear box, be provided with the first gear, second gear, 3rd gear and the 4th gear, described first gear and described second gears meshing, described second gear and described 3rd gear are fixed in same rotating shaft, the diameter of described 3rd gear is less than the diameter of described second gear, described 3rd gear and described 4th gears meshing, the diameter of described 4th gear is identical with the diameter of described 3rd gear, described 4th gear engages with the tooth bar on described expansion link, locking pin is provided with between described tooth bar and described 4th gear, described terminal pad is connected with described expansion link by gusseted bar, the surface of described terminal pad is evenly equipped with several bolts hole, described bolt hole coordinates with bolt, one end of described terminal pad is connected with band, and the other end of described band is connected with the fastener being fixed on the described terminal pad other end.
2. lift according to claim 1, it is characterized in that: described fastener is formed primarily of U-shaped frame, band roller, ratchet and ratchet, described band roller is supported on described U-shaped frame, one end of described band roller is provided with pin-and-hole, described pin-and-hole coordinates with pin rod, the other end and the described ratchet of described band roller are affixed, described ratchet and click-fit, and described ratchet is arranged on the side of described U-shaped frame by rotating shaft.
3. lift according to claim 1, it is characterized in that: described fastener is formed primarily of adapter sleeve, left screw rod, right screw rod, described left and right screw rod is threaded with the two ends of described adapter sleeve respectively, hand of spiral on described left and right screw rod is contrary, and the front end of described left and right screw rod is respectively equipped with connecting hole.
4. the lift according to Claims 2 or 3, is characterized in that: the side of described triangular support bracket is provided with location notch, and described gear box is fixed by bolt and described triangular support bracket, and this bolt is inserted in described location notch.
5. lift according to claim 4, is characterized in that: described first gear is coaxially fixed with crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502939.3U CN204046766U (en) | 2014-09-02 | 2014-09-02 | Lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502939.3U CN204046766U (en) | 2014-09-02 | 2014-09-02 | Lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046766U true CN204046766U (en) | 2014-12-24 |
Family
ID=52247386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502939.3U Expired - Fee Related CN204046766U (en) | 2014-09-02 | 2014-09-02 | Lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046766U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905571A (en) * | 2015-05-08 | 2015-09-16 | 中山市吉尔科研技术服务有限公司 | Novel practical television cabinet |
| CN106169715A (en) * | 2016-08-09 | 2016-11-30 | 国网上海市电力公司 | A kind of UHV transmission line cross-arm side whole string strain insulator departs from and restoration methods |
| CN106207855A (en) * | 2016-08-09 | 2016-12-07 | 国网上海市电力公司 | A kind of UHV transmission line whole string strain insulator exchange method |
| CN106253132A (en) * | 2016-08-09 | 2016-12-21 | 国网上海市电力公司 | A kind of whole string strain insulator handling scalable pole and application thereof |
| CN106410660A (en) * | 2016-08-09 | 2017-02-15 | 国网上海市电力公司 | Whole string tension insulator separation and recovery device at cross arm side of ultra-high voltage transmission line |
| CN106410661A (en) * | 2016-08-09 | 2017-02-15 | 国网上海市电力公司 | Whole string tension insulator exchange device of ultra-high voltage transmission line |
| CN107770650A (en) * | 2017-11-27 | 2018-03-06 | 杨静怡 | It is a kind of be used for it is indoor can intelligent control lifting sound equipment fixed framing device |
| CN109230845A (en) * | 2018-09-28 | 2019-01-18 | 德清县金丝源纺织品有限公司 | Reeling machine |
| CN109319586A (en) * | 2018-09-28 | 2019-02-12 | 德清县金丝源纺织品有限公司 | The device of rotation combing yarn |
| CN109368389A (en) * | 2018-09-28 | 2019-02-22 | 德清县金丝源纺织品有限公司 | Yarn shoulders a machine |
| CN109368386A (en) * | 2018-09-28 | 2019-02-22 | 德清县金丝源纺织品有限公司 | Yarn finish system easy to operate |
| CN109384092A (en) * | 2018-09-28 | 2019-02-26 | 德清县金丝源纺织品有限公司 | It is able to record the collating unit of number of yarns |
| CN109455576A (en) * | 2018-09-28 | 2019-03-12 | 德清县金丝源纺织品有限公司 | The yarn that work efficiency is high shoulders a machine |
| WO2019071867A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳光峰科技股份有限公司 | Body adjustment device and projection apparatus |
| CN109884854A (en) * | 2019-04-17 | 2019-06-14 | 常州信息职业技术学院 | A kind of portable regulating mechanism of smart projector |
-
2014
- 2014-09-02 CN CN201420502939.3U patent/CN204046766U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905571A (en) * | 2015-05-08 | 2015-09-16 | 中山市吉尔科研技术服务有限公司 | Novel practical television cabinet |
| CN106169715A (en) * | 2016-08-09 | 2016-11-30 | 国网上海市电力公司 | A kind of UHV transmission line cross-arm side whole string strain insulator departs from and restoration methods |
| CN106207855A (en) * | 2016-08-09 | 2016-12-07 | 国网上海市电力公司 | A kind of UHV transmission line whole string strain insulator exchange method |
| CN106253132A (en) * | 2016-08-09 | 2016-12-21 | 国网上海市电力公司 | A kind of whole string strain insulator handling scalable pole and application thereof |
| CN106410660A (en) * | 2016-08-09 | 2017-02-15 | 国网上海市电力公司 | Whole string tension insulator separation and recovery device at cross arm side of ultra-high voltage transmission line |
| CN106410661A (en) * | 2016-08-09 | 2017-02-15 | 国网上海市电力公司 | Whole string tension insulator exchange device of ultra-high voltage transmission line |
| WO2019071867A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳光峰科技股份有限公司 | Body adjustment device and projection apparatus |
| CN107770650A (en) * | 2017-11-27 | 2018-03-06 | 杨静怡 | It is a kind of be used for it is indoor can intelligent control lifting sound equipment fixed framing device |
| CN109319586A (en) * | 2018-09-28 | 2019-02-12 | 德清县金丝源纺织品有限公司 | The device of rotation combing yarn |
| CN109368389A (en) * | 2018-09-28 | 2019-02-22 | 德清县金丝源纺织品有限公司 | Yarn shoulders a machine |
| CN109368386A (en) * | 2018-09-28 | 2019-02-22 | 德清县金丝源纺织品有限公司 | Yarn finish system easy to operate |
| CN109384092A (en) * | 2018-09-28 | 2019-02-26 | 德清县金丝源纺织品有限公司 | It is able to record the collating unit of number of yarns |
| CN109455576A (en) * | 2018-09-28 | 2019-03-12 | 德清县金丝源纺织品有限公司 | The yarn that work efficiency is high shoulders a machine |
| CN109230845A (en) * | 2018-09-28 | 2019-01-18 | 德清县金丝源纺织品有限公司 | Reeling machine |
| CN109884854A (en) * | 2019-04-17 | 2019-06-14 | 常州信息职业技术学院 | A kind of portable regulating mechanism of smart projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |