CN107734437A - A kind of Portable teaching power amplifier - Google Patents
A kind of Portable teaching power amplifier Download PDFInfo
- Publication number
- CN107734437A CN107734437A CN201710991417.2A CN201710991417A CN107734437A CN 107734437 A CN107734437 A CN 107734437A CN 201710991417 A CN201710991417 A CN 201710991417A CN 107734437 A CN107734437 A CN 107734437A
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- casing
- sound equipment
- universal wheel
- fixed
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- 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
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- 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
- H04R1/026—Supports for loudspeaker casings
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention provides a kind of Portable teaching power amplifier, including：Power amplifier casing, power amplifier case lid, the power amplifier case lid is arranged at the upper end open of power amplifier casing, it is raised that power amplifier casing is surrounded by side anti-collision rubber, the power amplifier casing lower end is provided with universal wheel, and described power amplifier casing one end is provided with pull bar, sound equipment is provided with the power amplifier casing, the sound equipment is provided with broadcast receiving aerial, louver on the power amplifier casing of the sound equipment both sides, the sound equipment are arranged in sound equipment fixed plate, and the sound equipment fixed plate is arranged on the bottom of power amplifier casing by adjustable support.The present invention can prevent casing from colliding damage simultaneously, needing static using constantly, support swingle is folded down and used as support bar, can also protect universal wheel, when needing to walk in use, swingle pull-up will be supported, therefore it is very easy to use.
Description
Technical field
The present invention relates to teaching equipment technical field, specially a kind of Portable teaching power amplifier.
Background technology
With the development of educational undertaking, the enrollment scale of school constantly expands, and the number of students is continuously increased, teaching
Also improve therewith Deng hardware facility, still, its improvement is often very unbecoming with the development scale of school.One school should configure
Campus Broadcasting System, Linking All Classes teaching sound system is configured again, and two systems are independent operating, it is incompatible, use
It is extremely inconvenient, therefore, how to improve the management of teaching under existence conditions and quality has become the problem of people urgently pay close attention to.
With the dramatic change of Modern Teaching Mode, multimedia teaching becomes increasingly popular.Multimedia teaching refers to using computer technology as core
The heart, aided education mode of the medium techniques such as sound, image, magic lantern, animation, video display short-movie for Teaching Service is used, is to electricity
Change the integrated application of the Multiform Teaching Medias such as teaching, computer-assisted instruction.
But it is growing with science and technology, the campus stereo set reserved in design, it can not cover new school
Garden, and its function is more old, it is therefore desirable to and a kind of portable power amplifier supplements as teaching.
The content of the invention
Technical problem solved by the invention is to provide a kind of Portable teaching power amplifier, to solve in above-mentioned background technology
The problem of proposition.
Technical problem solved by the invention is realized using following technical scheme：A kind of Portable teaching power amplifier, including：
Power amplifier casing, power amplifier case lid, the power amplifier case lid are arranged at the upper end open of power amplifier casing, and power amplifier casing is surrounded by side
Anti-collision rubber is raised, and the power amplifier casing lower end is provided with universal wheel, and described power amplifier casing one end is provided with pull bar, the power amplifier case
It is provided with sound equipment in vivo, the sound equipment is provided with broadcast receiving aerial, louver on the power amplifier casing of the sound equipment both sides, the sound
Ring and be arranged in sound equipment fixed plate, the sound equipment fixed plate is arranged on the bottom of power amplifier casing by adjustable support, described adjustable
Support includes regulation overcoat, regulation interior bar, and the regulation interior bar is inserted in regulation overcoat, and regulation interior bar upper end is solid by adjusting
Fixed board is arranged on the downside of sound equipment fixed plate.
Both ends are provided with support swingle on the power amplifier body side, and support swingle stretches out the length of power amplifier bottom half
More than the height of universal wheel, the support swingle is arranged on power amplifier casing by fixed pivot pin, in the support swingle
Portion is provided with telescopic lever, and telescopic lever one end is arranged on support swingle by steady pin, the other end extend into flexible help pull a cart
Interior, flexible help pull a cart is arranged on power amplifier casing by rotary shaft, is set on one end that the telescopic lever is extend into flexible help pull a cart
Limited location is raised, is arranged with adjustable spring on the part that telescopic lever is extend into flexible help pull a cart, adjustable spring one end is fixed on
On spacing preiection, the other end is fixed in flexible help pull a cart.
The universal wheel is arranged on universal wheel fixed support, and the universal wheel fixed support is pacified by universal wheel fixed seat
Mounted in the lower end of power amplifier casing, the universal wheel fixed support is fixed in universal wheel fixed seat by rotary shaft, and universal wheel is solid
Reservation is weldingly fixed on the lower end of power amplifier casing.
The power amplifier case lid is arranged at the upper end open of power amplifier casing by fixed hinge, and power amplifier case lid upper center is set
There is handle, the power amplifier case lid of handle both sides is provided with top anti-collision rubber projection, and top anti-collision rubber height of projection is more than handle
Height.
The top anti-collision rubber projects through fixing bolt on power amplifier case lid, and side anti-collision rubber projects through
Fixing bolt is arranged on power amplifier casing.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can prevent casing from colliding damage simultaneously,
Needing static using constantly, support swingle is folded down and used as support bar, universal wheel can also be protected, when needing to walk
In use, swingle pull-up will be supported, thus it is very easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the push-and-pull view of the present invention.
Embodiment
In order that implement technical means, creation characteristic, reached purpose and effect of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figure 1 and Figure 2, a kind of Portable teaching power amplifier, including：Power amplifier casing 1, power amplifier case lid 2, the power amplifier case
Lid 2 is arranged at the upper end open of power amplifier casing 1, and power amplifier casing 1 is surrounded by side anti-collision rubber projection 13, the power amplifier case
The lower end of body 1 is provided with universal wheel 6, and described one end of power amplifier casing 1 is provided with pull bar 18, sound equipment 20, institute are provided with the power amplifier casing 1
State sound equipment 20 and be provided with broadcast receiving aerial, louver 19 on the power amplifier casing 1 of the both sides of sound equipment 20, the sound equipment 20 is installed
In sound equipment fixed plate 21, the sound equipment fixed plate 21 is arranged on the bottom of power amplifier casing 1, the adjustable supporting by adjustable support
Frame includes regulation overcoat 24, regulation interior bar 23, and the regulation interior bar 23 is inserted in regulation overcoat 24, and regulation interior bar 23 upper end leads to
Fixed plate 22 is overregulated installed in the downside of sound equipment fixed plate 21.
Both ends are provided with support swingle 3 on the side of power amplifier casing 1, and support swingle 3 stretches out the bottom of power amplifier casing 1
Length is more than the height of universal wheel 6, and the support swingle 3 is arranged on power amplifier casing 1 by fixed pivot pin 17, the support
The middle part of swingle 3 is provided with telescopic lever 12, and the one end of telescopic lever 12 is arranged on support swingle 3 by steady pin 11, is another
End extend into it is flexible help pull a cart in 4, flexible help pull a cart 4 is arranged on power amplifier casing 1 by rotary shaft 8, and the telescopic lever 12 stretches into
Be provided with spacing preiection 9 to flexible one end helped pull a cart in 4, telescopic lever 12 extend on the part stretched and helped pull a cart in 4 and is arranged with
Adjustable spring 10, the one end of adjustable spring 10 is fixed on spacing preiection 9, the other end is fixed on flexible help pull a cart in 4.
The universal wheel 6 is arranged on universal wheel fixed support 7, and the universal wheel fixed support 7 is fixed by universal wheel
Seat 5 is arranged on the lower end of power amplifier casing 1, and the universal wheel fixed support 7 is fixed in universal wheel fixed seat 5 by rotary shaft,
Universal wheel fixed seat 5 is weldingly fixed on the lower end of power amplifier casing 1.
The power amplifier case lid 2 is arranged at the upper end open of power amplifier casing 1 by fixed hinge 16, the upper end of power amplifier case lid 2
Middle part is provided with handle 15, and the power amplifier case lid 2 of the both sides of handle 15 is provided with top anti-collision rubber projection 14, and top anti-collision rubber is raised
14 height are more than the height of handle 15.
The top anti-collision rubber projection 14 is arranged on power amplifier case lid 2 by fixing bolt, and side anti-collision rubber is raised
13 are arranged on power amplifier casing 1 by fixing bolt.
The present invention is surrounded by side anti-collision rubber projection 13 in power amplifier casing 1, is set on the power amplifier case lid 2 of the both sides of handle 15
There is top anti-collision rubber projection 14, anti-collision rubber 14 height of projection in top are more than the height of handle 15, on the one hand can prevent case
Body collide damage, on the other hand can also protect handle 15, and top anti-collision rubber projection 14 is pacified by fixing bolt
On power amplifier case lid 2, side anti-collision rubber projection 13 is arranged on power amplifier casing 1 by fixing bolt, convex in anti-collision rubber
Can very easily it be changed when playing damage, meanwhile, support swingle 3 stretches out height of the length more than universal wheel 6 of the bottom of casing 1
Degree, needing static using constantly, support swingle 3 is folded down and used as support bar, universal wheel 6 can also be protected, when needing
Walk in use, the pull-up of swingle 3 will be supported, it is therefore very easy to use.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the present invention by appended claims and
Its equivalent thereof.
Claims (5)
1. a kind of Portable teaching power amplifier, including：Power amplifier casing, power amplifier case lid, it is characterised in that：The power amplifier case lid is arranged on
At the upper end open of power amplifier casing, power amplifier casing is surrounded by side anti-collision rubber projection, and the power amplifier casing lower end is provided with ten thousand
To wheel, described power amplifier casing one end is provided with pull bar, is provided with sound equipment in the power amplifier casing, the sound equipment is provided with broadcast reception
Antenna, louver on the power amplifier casing of the sound equipment both sides, the sound equipment are arranged in sound equipment fixed plate, the sound equipment fixed plate
The bottom of power amplifier casing is arranged on by adjustable support, the adjustable support includes regulation overcoat, adjusts interior bar, in the regulation
Bar is inserted in regulation overcoat, and regulation interior bar upper end is arranged on the downside of sound equipment fixed plate by adjustment fixing plate.
A kind of 2. Portable teaching power amplifier according to claim 1, it is characterised in that：Both ends on the power amplifier body side
Provided with support swingle, support swingle stretches out height of the length more than universal wheel of power amplifier bottom half, the support rotation
Bar is arranged on power amplifier casing by fixed pivot pin, is provided with telescopic lever in the middle part of the support swingle, telescopic lever one end leads to
Cross that steady pin is arranged on support swingle, the other end is extend into flexible help pull a cart, flexible help pull a cart is arranged on work(by rotary shaft
Put on casing, one end that the telescopic lever is extend into flexible help pull a cart is provided with spacing preiection, and telescopic lever extend into flexible
Adjustable spring is arranged with part in helping pull a cart, adjustable spring one end is fixed on spacing preiection, the other end is fixed on flexible drawing
In set.
A kind of 3. Portable teaching power amplifier according to claim 1, it is characterised in that：The universal wheel is arranged on universal wheel
On fixed support, the universal wheel fixed support is arranged on the lower end of power amplifier casing, the universal wheel by universal wheel fixed seat
Fixed support is fixed in universal wheel fixed seat by rotary shaft, and universal wheel fixed seat is weldingly fixed on the lower end of power amplifier casing.
A kind of 4. Portable teaching power amplifier according to claim 1, it is characterised in that：The power amplifier case lid is closed by fixed
Page is arranged at the upper end open of power amplifier casing, and power amplifier case lid upper center is provided with handle, is set on the power amplifier case lid of handle both sides
There is top anti-collision rubber projection, top anti-collision rubber height of projection is more than the height of handle.
A kind of 5. Portable teaching power amplifier according to claim 4, it is characterised in that：The top anti-collision rubber is raised logical
Fixing bolt is crossed on power amplifier case lid, side anti-collision rubber projects through fixing bolt on power amplifier casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991417.2A CN107734437A (en) | 2017-10-23 | 2017-10-23 | A kind of Portable teaching power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991417.2A CN107734437A (en) | 2017-10-23 | 2017-10-23 | A kind of Portable teaching power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734437A true CN107734437A (en) | 2018-02-23 |
Family
ID=61212983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710991417.2A Pending CN107734437A (en) | 2017-10-23 | 2017-10-23 | A kind of Portable teaching power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734437A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477223A (en) * | 2014-12-11 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Novel multifunctional trailer for field operations |
| CN204906622U (en) * | 2015-09-22 | 2015-12-23 | 宁波中荣声学科技有限公司 | Collision avoidance structure of audio amplifier box back - end face |
| CN205094839U (en) * | 2015-08-12 | 2016-03-23 | 张娟 | Multi -functional nursing of surgery bed |
| CN105491479A (en) * | 2016-01-06 | 2016-04-13 | 北京联科中诺科技有限公司 | WIFI connection-based mobile sound box |
| CN105828242A (en) * | 2016-04-27 | 2016-08-03 | 黑龙江真美广播通讯器材有限公司 | Portable outdoor sound box |
| CN205795123U (en) * | 2016-07-13 | 2016-12-14 | 广州洛民塑料有限公司 | A kind of high-grade Multifunction portable box |
-
2017
- 2017-10-23 CN CN201710991417.2A patent/CN107734437A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477223A (en) * | 2014-12-11 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Novel multifunctional trailer for field operations |
| CN205094839U (en) * | 2015-08-12 | 2016-03-23 | 张娟 | Multi -functional nursing of surgery bed |
| CN204906622U (en) * | 2015-09-22 | 2015-12-23 | 宁波中荣声学科技有限公司 | Collision avoidance structure of audio amplifier box back - end face |
| CN105491479A (en) * | 2016-01-06 | 2016-04-13 | 北京联科中诺科技有限公司 | WIFI connection-based mobile sound box |
| CN105828242A (en) * | 2016-04-27 | 2016-08-03 | 黑龙江真美广播通讯器材有限公司 | Portable outdoor sound box |
| CN205795123U (en) * | 2016-07-13 | 2016-12-14 | 广州洛民塑料有限公司 | A kind of high-grade Multifunction portable box |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
|
| RJ01 | Rejection of invention patent application after publication |