CN207573787U - A kind of liftable power amplifier - Google Patents
A kind of liftable power amplifier Download PDFInfo
- Publication number
- CN207573787U CN207573787U CN201721835836.9U CN201721835836U CN207573787U CN 207573787 U CN207573787 U CN 207573787U CN 201721835836 U CN201721835836 U CN 201721835836U CN 207573787 U CN207573787 U CN 207573787U
- Authority
- CN
- China
- Prior art keywords
- supporting rod
- power amplifier
- protective shell
- fixedly connected
- rack
- 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
Links
Abstract
The utility model discloses a kind of liftable power amplifiers to include shaft one, fixed card base, power amplifier shell, protection cap, protective shell, supporting rod one, supporting rod two, rack one, gear, spring, foot-operated case, gear fixed link, stop nut, fixing bolt, shifting block, buckle, rack two, sliding block, sliding rail, limiting slot one, foot pedal, elevator chamber, shaft two, rack two, elevating lever, limit hole one, limit hole two, idler wheel and limiting slot two.The utility model is a kind of power amplifier that can adjust height; large-scale lifting is done using two supporting rods in bottom; bottom, which is equipped with pedal lifting device, can help the accurate adjusting position of equipment; top is equipped with power amplifier protective shell and protection cap, it is ensured that top power amplifier can be fixed on top while lifting.
Description
Technical field
The utility model is related to a kind of power amplifier, specifically a kind of liftable power amplifier belongs to power and puts
Big device technical field.
Background technology
Power amplifier referred to as " power amplifier ", refers under the conditions of given distortion rate, can generate maximum power output to drive
A certain load(Such as loud speaker)Amplifier, power amplifier plays the pivot of " tissue, coordination " in entire sound system
Knob acts on, and can dominate whole system to a certain extent provide good sound quality output.
Present power amplifier can not adjust height, when in use necessary mating desktop or shelf, not so can be difficult behaviour
Make, cause to cause significant limitations to the practicality of power amplifier.Therefore, a kind of liftable power is proposed regarding to the issue above
Amplifier.
Invention content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of liftable power amplifier.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of liftable power amplifier, including
Power amplifier shell, institute are placed in protective shell and the supporting rod one being fixedly connected with protective shell bottom end, the protective shell inner cavity
It states one end at the top of protective shell and is fixedly connected with shaft one, the shaft one is rotatablely connected protection cap one end, the protection cap other end
Be connected together the protective shell top other end, and the protective shell marginal surface is fixedly connected with fixed card base, and the protective shell bottom is consolidated
Determine one one end of connection support bar, one bottom end of supporting rod extends to two inner cavity of supporting rod, the two top side wall spiral shell of supporting rod
Line connects fixing bolt, and the fixing bolt threaded one end is socketed stop nut, and two bottom end of supporting rod connects elevator chamber, institute
The logical bottom end of two company of extending to of supporting rod lifting is stated, two side wall of supporting rod is fixedly connected with rack one, and the rack one engages
Connection gear, the gear centre are rotatablely connected shaft two, and the shaft two is rotatablely connected gear fixed link, and the gear is fixed
Bar both ends are fixedly connected with elevator chamber side wall, the gear engagement connection rack three, and the rack three is fixedly connected with elevating lever one end,
For the elevating lever by limit hole one through elevator chamber side wall, the elevating lever connects foot-operated case, the liter by limit hole two
Drop bar is located at foot-operated box cavity member base end and is fixedly connected with foot pedal, and described foot pedal one end is fixedly connected with idler wheel, the idler wheel
One inner cavity of limiting slot is entrenched in, the foot pedal bottom end is equipped with spring, and the spring extends to foot-operated bottom portion, the foot pedal
Foot-operated case is penetrated through by limiting slot two, the foot pedal bottom end is equipped with sliding rail, the sliding rail internal slide connection sliding block, the cunning
Block is fixedly connected with buckle, and the buckle bottom end is fixedly connected with shifting block, and the snap into engagement connects rack two, and the rack two is fixed
It is connected to foot-operated case side wall.
Preferably, the supporting rod one and supporting rod two are a kind of hollow form bar.
Preferably, the elevating lever is in integrally a T-shaped structure.
Preferably, there are two one quantity of supporting rod, and two supporting rods one are separately fixed at protective shell both ends.
Preferably, there are two the quantity of the elevator chamber, and two elevator chambers are supported bar two and connect respectively.
Preferably, there are four the fixed card base quantity, and four fixed card bases are separately fixed at protective shell bottom edge
Quadrangle.
The beneficial effects of the utility model are:
1st, the utility model realizes the significantly rising or decline of power amplifier using double layer support bar, ensures to make
User can arbitrarily adjust height when using power amplifier, and top adds protective shell and fixed card base, it is ensured that is lifting
During height will not, drop or strike power amplifier.
2nd, bottom employs foot-operated gear rack elevating, accurately can increase or reduce, and realizes adjust to greatest extent
The function of height, and by pedal come adjust height can be used in debugging machine when, with foot adjust height.
Description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 rides case internal structure schematic diagram for the utility model;
Fig. 3 rides case surface texture schematic diagram for the utility model;
Fig. 4 is close-up schematic view at the utility model A;
Fig. 5 is close-up schematic view at the utility model B.
In figure:1st, shaft one, 2, fixed card base, 3, power amplifier shell, 4, protection cap, 5, protective shell, 6, supporting rod
One, 7, supporting rod two, 8, rack one, 9, gear, 10, spring, 11, foot-operated case, 12, gear fixed link, 13, stop nut, 14,
Fixing bolt, 15, shifting block, 16, buckle, 17, rack two, 18, sliding block, 19, sliding rail, 20, limiting slot one, 21, foot pedal, 22,
Elevator chamber, 23, shaft two, 24, rack three, 25, elevating lever, 26, limit hole one, 27, limit hole two, 28, idler wheel, 29, limiting
Slot two.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -5, a kind of liftable power amplifier, consolidates including protective shell 5 and with 5 bottom end of protective shell
Surely power amplifier shell 3 is placed in the supporting rod 1 connected, 5 inner cavity of protective shell, and described 5 top one end of protective shell is fixed
Connect shaft 1, the shaft 1 is rotatablely connected 4 one end of protection cap, and 4 other end of the protection cap protective shell 5 that is connected together pushes up
Portion's other end, 5 marginal surface of protective shell are fixedly connected with fixed card base 2, and 5 bottom of protective shell is fixedly connected with supporting rod one
6 one end, one 6 bottom end of supporting rod extend to 27 inner cavity of supporting rod, and the 27 top side wall of supporting rod, which is threadedly coupled, to be fixed
Bolt 14,14 threaded one end of fixing bolt are socketed stop nut 13, and 27 bottom end of supporting rod connects elevator chamber 22, institute
It states supporting rod 27 and extends to connection elevator chamber bottom end, 27 side wall of supporting rod is fixedly connected with rack 1, the rack 1
Connection gear 9 is engaged, 9 center rotating of gear connects shaft 2 23, and the shaft 2 23 is rotatablely connected gear fixed link 12,
12 both ends of gear fixed link are fixedly connected with 22 side wall of elevator chamber, the engagement of the gear 9 connection rack 3 24, the rack three
24 are fixedly connected with 25 one end of elevating lever, and the elevating lever 25 is by limit hole 1 through 22 side wall of elevator chamber, the elevating lever
25 connect foot-operated case 11 by limit hole 2 27, and the elevating lever 25 is fixedly connected foot-operated positioned at foot-operated 11 lumen portion bottom end of case
Plate 21, described 21 one end of foot pedal are fixedly connected with idler wheel 28, and the idler wheel 28 is entrenched in one 20 inner cavity of limiting slot, the foot pedal
21 bottom ends are equipped with spring 10, and the spring 10 extends to foot-operated 11 bottom of case, and the foot pedal 21 is penetrated through by limiting slot 2 29
Foot-operated case 11,21 bottom end of foot pedal are equipped with sliding rail 19, the 19 internal slide connection sliding block 18 of sliding rail, and the sliding block 18 is consolidated
Determine connection buckle 16,16 bottom ends of the buckle are fixedly connected with shifting block 15, the 16 engagement connection rack 2 17 of buckle, the rack
2 17 are fixedly connected on foot-operated 11 side wall of case.
As a kind of technical optimization scheme of the utility model, the supporting rod 1 is a kind of hollow form with supporting rod 27
It is flexible to ensure that supporting rod 1 is realized with supporting rod 27 for bar.
As a kind of technical optimization scheme of the utility model, the elevating lever 25 is whole in a T-shaped structure, realizes
The functions of 25 liters of valency both sides racks 3 24 of elevating lever.
As a kind of technical optimization scheme of the utility model, there are two one 6 quantity of supporting rod, and two supporting rods
One 6 are separately fixed at 5 both ends of protective shell, ensure the temperature support of supporting rod 1.
As a kind of technical optimization scheme of the utility model, there are two the quantity of elevator chamber 22, and elevator chamber 22 is distinguished
The connection of bar 27 is supported, realizes that two supporting rods lift simultaneously.
As a kind of technical optimization scheme of the utility model, there are two the quantity of the supporting rod 27, and supporting rod two
7 are socketed in one 6 bottom end of supporting rod respectively, realize the elevating function of supporting rod.
As a kind of technical optimization scheme of the utility model, there are four fixed 2 quantity of card base, and four fixing cards
Foot 2 is separately fixed at 5 bottom edge quadrangle of protective shell, realizes the function 3 of 2 constant power amplifier housing of fixed card base.
When the utility model is used, power amplifier shell 3 is fixed on 4 in protective shell inner cavity, engaging protection cap 4 in
5 top of protective shell, when substantially adjusting height, rotation, which is twisted, send stop nut 14 to adjust supporting rod 1 in 27 inner cavity of supporting rod
Length, rotary stopper nut solid 14 determines support arm 1 and support arm 27 when reaching proper height, when approximate location is fixed, passes through
It pushes foot pedal 21 and drives elevating lever 25, so as to mobile rack 3 24,3 24 band moving gear 9 of rack, the transmission of gear 9 is fixed on branch
The rack 1 of 27 bottom end of strut fine-tunes so as to the height reached to power amplifier, and 21 bottom of foot pedal is equipped with buckle
16, when height is adjusted to suitable position, 16 engagement connection rack 2 17 of buckle is stirred by shifting block 15 and fixes foot pedal 21.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that obtaining containing with important document in claim by falling
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of liftable power amplifier, including protective shell(5)And and protective shell(5)The supporting rod that bottom end is fixedly connected
One(6), it is characterised in that:The protective shell(5)Place power amplifier shell in inner cavity(3), the protective shell(5)Top one end
It is fixedly connected with shaft one(1), the shaft one(1)It is rotatablely connected protection cap(4)One end, the protection cap(4)The other end engages
Connect protective shell(5)The top other end, the protective shell(5)Marginal surface is fixedly connected with fixed card base(2), the protective shell
(5)Bottom is fixedly connected with supporting rod one(6)One end, the supporting rod one(6)Bottom end extends to supporting rod two(7)Inner cavity, it is described
Supporting rod two(7)Top side wall is threadedly coupled fixing bolt(14), the fixing bolt(14)Threaded one end is socketed stop nut
(13), the supporting rod two(7)Bottom end connects elevator chamber(22), the supporting rod two(7)Extend to elevator chamber bottom end, the branch
Strut two(7)Side wall is fixedly connected with rack one(8), the rack one(8)Engage connection gear(9), the gear(9)Center turns
Dynamic connection shaft two(23), the shaft two(23)It is rotatablely connected gear fixed link(12), the gear fixed link(12)Both ends
It is fixedly connected with elevator chamber(22)Side wall, the gear(9)Engagement connection rack three(24), the rack three(24)It is fixedly connected with liter
Bar drops(25)One end, the elevating lever(25)Pass through limit hole one(26)Through elevator chamber(22)Side wall, the elevating lever(25)
Pass through limit hole two(27)The foot-operated case of connection(11), the elevating lever(25)Positioned at foot-operated case(11)Lumen portion bottom end, which is fixed, to be connected
Pin pedal(21), the foot pedal(21)One end is fixedly connected with idler wheel(28), the idler wheel(28)It is entrenched in limiting slot one
(20)Inner cavity, the foot pedal(21)Bottom end is equipped with spring(10), the spring(10)Extend to foot-operated case(11)Bottom, it is described
Foot pedal(21)Pass through limiting slot two(29)The foot-operated case of perforation(11), the foot pedal(21)Bottom end is equipped with sliding rail(19), it is described
Sliding rail(19)Internal slide connection sliding block(18), the sliding block(18)It is fixedly connected with buckle(16), the buckle(16)Bottom end is consolidated
Surely shifting block is connected(15), the buckle(16)Engagement connection rack two(17), the rack two(17)It is fixedly connected on foot-operated case
(11)Side wall.
2. a kind of liftable power amplifier according to claim 1, it is characterised in that:The supporting rod one(6)With
Supporting rod two(7)For a kind of hollow form bar.
3. a kind of liftable power amplifier according to claim 1, it is characterised in that:The elevating lever(25)It is whole
In a T-shaped structure.
4. a kind of liftable power amplifier according to claim 1, it is characterised in that:The supporting rod one(6)Number
There are two amounts, and two supporting rods one(6)It is separately fixed at protective shell(5)Both ends.
5. a kind of liftable power amplifier according to claim 1, it is characterised in that:The elevator chamber(22)Number
There are two amounts, and two elevator chambers(22)It is supported bar two respectively(7)Connection.
6. a kind of liftable power amplifier according to claim 1, it is characterised in that:The supporting rod two(7)'s
There are two quantity, and supporting rod two(7)It is socketed in supporting rod one respectively(6)Bottom end.
7. a kind of liftable power amplifier according to claim 1, it is characterised in that:The fixed card base(2)Number
There are four amounts, and four fixed card bases(2)It is separately fixed at protective shell(5)Bottom edge quadrangle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721835836.9U CN207573787U (en) | 2017-12-25 | 2017-12-25 | A kind of liftable power amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721835836.9U CN207573787U (en) | 2017-12-25 | 2017-12-25 | A kind of liftable power amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207573787U true CN207573787U (en) | 2018-07-03 |
Family
ID=62686037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721835836.9U Expired - Fee Related CN207573787U (en) | 2017-12-25 | 2017-12-25 | A kind of liftable power amplifier |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207573787U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110980583A (en) * | 2019-12-25 | 2020-04-10 | 曾炎 | Semi-automatic lifting device |
CN111987622A (en) * | 2020-09-01 | 2020-11-24 | 西电联合电气集团股份有限公司 | Multifunctional self-protection power distribution cabinet |
CN114904326A (en) * | 2022-06-07 | 2022-08-16 | 山东中烟工业有限责任公司 | Filter equipment convenient to clearance residue |
-
2017
- 2017-12-25 CN CN201721835836.9U patent/CN207573787U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110980583A (en) * | 2019-12-25 | 2020-04-10 | 曾炎 | Semi-automatic lifting device |
CN110980583B (en) * | 2019-12-25 | 2020-11-20 | 杭州承凰科技有限公司 | Semi-automatic lifting device |
CN111987622A (en) * | 2020-09-01 | 2020-11-24 | 西电联合电气集团股份有限公司 | Multifunctional self-protection power distribution cabinet |
CN111987622B (en) * | 2020-09-01 | 2022-02-15 | 西电联合电气集团股份有限公司 | Multifunctional self-protection power distribution cabinet |
CN114904326A (en) * | 2022-06-07 | 2022-08-16 | 山东中烟工业有限责任公司 | Filter equipment convenient to clearance residue |
CN114904326B (en) * | 2022-06-07 | 2023-11-14 | 山东中烟工业有限责任公司 | Filter equipment convenient to clearance residue |
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Legal Events
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: 20180703 Termination date: 20201225 |