CN204611222U - A kind of remote teaching both-way trunk line amplifier accessory - Google Patents
A kind of remote teaching both-way trunk line amplifier accessory Download PDFInfo
- Publication number
- CN204611222U CN204611222U CN201520155016.XU CN201520155016U CN204611222U CN 204611222 U CN204611222 U CN 204611222U CN 201520155016 U CN201520155016 U CN 201520155016U CN 204611222 U CN204611222 U CN 204611222U
- Authority
- CN
- China
- Prior art keywords
- base plate
- equipment box
- trunk line
- transverse slat
- dielectric resilience
- 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
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Abstract
The utility model relates to a kind of remote teaching both-way trunk line amplifier accessory, comprise equipment box, the lower end of described equipment box is provided with base plate, described base plate is provided with multiple dielectric resilience post, described dielectric resilience post is provided with spring, the upper end of dielectric resilience post is also provided with fixed plate, the two ends of described fixed plate are provided with set screw, the lower end of base plate is also provided with hollow thread cover, the lower end of described hollow thread cover is provided with transverse slat, the two ends of described transverse slat are provided with T-shaped load bearing seat, and described T-shaped load bearing seat is also positioned at the lower end of transverse slat.The utility model contributes to realizing the location of spring by the fixed plate and base plate being provided with set screw, by being provided with the damping that the dielectric resilience post of spring and fixed plate had not only contributed to the spacing of spring but also contributed to electric elements in equipment box, contribute to supporting and regulating equipment case position by the hollow thread cover being provided with transverse slat, extension device case working life.
Description
Technical field
The utility model relates to teaching Device Design manufacturing technology field, particularly relates to a kind of remote teaching both-way trunk line amplifier accessory.
Background technique
The development of China's Modern Education Technology originates in 1920's, is referred to as audio-visual education programme.The media such as the magic lantern used in audio-visual education programme activity at that time, film than original knowledge from hearsay and print media afterwards for teaching, its circulation way has been leaped major step, belong to the category of Modern Education Technology, but this is not also the Modern Education Technology in complete meaning, the primary stage of just Modern Education Technology development.Electronic instruction equipment is that modern education educates indispensable device concept with Modern Education Technology such as computer, projector, magic lantern, recording, video recording, broadcast, film, TV, computers, use Modern Educational Theory and technology, by the design to teaching process and resource, exploitation, application, management and evaluation, to realize the theory and practice of teaching modernization.But, remote teaching both-way trunk line amplifier accessory on existing market lacks the device of the damping not only contributing to the spacing of spring but also contribute to electric elements in equipment box, the remote teaching both-way trunk line amplifier accessory also had lacks the device contributing to support and regulating equipment case position, the demand of reality can not be met.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of remote teaching both-way trunk line amplifier accessory.
The utility model is achieved through the following technical solutions:
A kind of remote teaching both-way trunk line amplifier accessory, comprise equipment box, the lower end of described equipment box is provided with base plate, described base plate is provided with multiple dielectric resilience post, described dielectric resilience post is provided with spring, the upper end of dielectric resilience post is also provided with fixed plate, the two ends of described fixed plate are provided with set screw, the lower end of base plate is also provided with hollow thread cover, the lower end of described hollow thread cover is provided with transverse slat, the two ends of described transverse slat are provided with T-shaped load bearing seat, and described T-shaped load bearing seat is also positioned at the lower end of transverse slat.
As optimal technical scheme of the present utility model, the upper end of described equipment box is provided with rectangular opening and end plate, and described rectangular opening and end plate are all positioned at the side of equipment box.
As optimal technical scheme of the present utility model, described dielectric resilience post has several, and is symmetrically arranged on base plate.
As optimal technical scheme of the present utility model, described hollow thread cover has four, and is evenly distributed on base plate.
During onsite application, operator need electric elements to be arranged in equipment box according to actual conditions, can carry out remote teaching both-way trunk line amplification work.
Compared with prior art, the beneficial effects of the utility model are: the utility model contributes to realizing the location of spring by the fixed plate and base plate being provided with set screw, by being provided with the damping that the dielectric resilience post of spring and fixed plate had not only contributed to the spacing of spring but also contributed to electric elements in equipment box, minimizing electric elements and surface of contact produce rigid collision, contribute to supporting and regulating equipment case by the hollow thread cover being provided with transverse slat, and structure is simple, easy to operate, economical and practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
In figure: 1, equipment box; 11, base plate; 12, rectangular opening; 13, end plate; 2, dielectric resilience post; 21, spring; 22, fixed plate; 221, set screw; 3, hollow thread cover; 31, transverse slat; 311, T-shaped load bearing seat.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 and Fig. 2, Fig. 1 is structural representation of the present utility model, and Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Described a kind of remote teaching both-way trunk line amplifier accessory, comprise equipment box 1, the lower end of described equipment box 1 is provided with base plate 11, described base plate 11 is provided with dielectric resilience post 2, described dielectric resilience post 2 has ten, and be symmetrically arranged on base plate 11, described dielectric resilience post 2 is provided with spring 21, not only contributed to the spacing of spring 21 with the dielectric resilience post 2 of spring 21 and fixed plate 22 but also contributed to the damping of electric elements in equipment box 1, having reduced electric elements and surface of contact produces rigid collision.
The upper end of described dielectric resilience post 2 is also provided with fixed plate 22, the two ends of described fixed plate 22 are provided with set screw 221, the location realizing spring 21 is contributed to the fixed plate 22 of set screw 221 and base plate 11, the lower end of base plate 11 is also provided with hollow thread cover 3, described hollow thread cover 3 has four, and is evenly distributed on base plate 11.
The lower end of described hollow thread cover 3 is provided with transverse slat 31, the two ends of described transverse slat 31 are provided with T-shaped load bearing seat 311, hollow thread cover 3 with transverse slat 31 contributes to the position life of support and regulating equipment case 1, described T-shaped load bearing seat 311 is also positioned at the lower end of transverse slat 31, the upper end of described equipment box 1 is provided with rectangular opening 12 and end plate 13, and described rectangular opening 12 and case lid 13 second are all positioned at the side of equipment box 1.
During onsite application, operator need to be arranged on by electric elements in equipment box 1 according to actual conditions, can carry out remote teaching both-way trunk line amplification work.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a remote teaching both-way trunk line amplifier accessory, it is characterized in that: comprise equipment box (1), the lower end of described equipment box (1) is provided with base plate (11), described base plate (11) is provided with multiple dielectric resilience post (2), described dielectric resilience post (2) is provided with spring (21), the upper end of dielectric resilience post (2) is also provided with fixed plate (22), the two ends of described fixed plate (22) are provided with set screw (221), the lower end of base plate (11) is also provided with hollow thread cover (3), the lower end of described hollow thread cover (3) is provided with transverse slat (31), the two ends of described transverse slat (31) are provided with T-shaped load bearing seat (311).
2. a kind of remote teaching both-way trunk line amplifier accessory according to claim 1, it is characterized in that: the upper end of described equipment box (1) is provided with rectangular opening (12) and end plate (13), and described rectangular opening (12) and case lid (13) second are all positioned at the side of equipment box (1).
3. a kind of remote teaching both-way trunk line amplifier accessory according to claim 1, is characterized in that: described dielectric resilience post (2) has several, and is symmetrically arranged on base plate (11).
4. a kind of remote teaching both-way trunk line amplifier accessory according to claim 1, is characterized in that: described hollow thread cover (3) has four, and is evenly distributed on base plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155016.XU CN204611222U (en) | 2015-03-18 | 2015-03-18 | A kind of remote teaching both-way trunk line amplifier accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155016.XU CN204611222U (en) | 2015-03-18 | 2015-03-18 | A kind of remote teaching both-way trunk line amplifier accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204611222U true CN204611222U (en) | 2015-09-02 |
Family
ID=53963788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520155016.XU Expired - Fee Related CN204611222U (en) | 2015-03-18 | 2015-03-18 | A kind of remote teaching both-way trunk line amplifier accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204611222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144405A (en) * | 2016-08-05 | 2016-11-23 | 北京长峰广播通讯设备有限责任公司 | A kind of transmitter coupling cavity |
| CN109488738A (en) * | 2019-01-07 | 2019-03-19 | 东莞市兆丰精密仪器有限公司 | A kind of diaphragm type screw rod flexible connection device |
-
2015
- 2015-03-18 CN CN201520155016.XU patent/CN204611222U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144405A (en) * | 2016-08-05 | 2016-11-23 | 北京长峰广播通讯设备有限责任公司 | A kind of transmitter coupling cavity |
| CN106144405B (en) * | 2016-08-05 | 2018-05-04 | 北京长峰广播通讯设备有限责任公司 | A kind of transmitter matches cavity |
| CN109488738A (en) * | 2019-01-07 | 2019-03-19 | 东莞市兆丰精密仪器有限公司 | A kind of diaphragm type screw rod flexible connection device |
| CN109488738B (en) * | 2019-01-07 | 2023-09-12 | 东莞市兆丰精密仪器有限公司 | Diaphragm type screw rod flexible connecting device |
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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: 20150902 Termination date: 20160318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |