CN207349749U - The projecting apparatus that a kind of management teaching uses - Google Patents
The projecting apparatus that a kind of management teaching uses Download PDFInfo
- Publication number
- CN207349749U CN207349749U CN201720614057.XU CN201720614057U CN207349749U CN 207349749 U CN207349749 U CN 207349749U CN 201720614057 U CN201720614057 U CN 201720614057U CN 207349749 U CN207349749 U CN 207349749U
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- telescopic rod
- electric telescopic
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Abstract
The technical field of projector equipment is the utility model is related to, the projecting apparatus used more particularly to a kind of teaching of management, it can be adjusted its height according to user demand, improve adaptability, and reduction uses limitation；Preferably fixed and dismounting effect is can reach at the same time, without often retracting screw；And conveniently the equipment after removing is moved, improves use reliability；Including link and projection arrangement；Link includes two groups of left attachment devices, two groups of right attachment devices, support plate, two groups of left fixing devices and two groups of right fixing devices, and left attachment device includes left connection board and left placement plate, and projection arrangement is arranged on support plate bottom；Right fixing device includes right fixed plate, right electric telescopic rod and right fixed link, and right electric telescopic rod is arranged on the left of right fixed plate bottom, and right electric telescopic rod bottom is arranged on the right side of right fixed link top；Left handle and right handle are further included, right handle bottom front side and rear side are respectively hinged at two groups of right connection board tops.
Description
Technical field
The technical field of projector equipment is the utility model is related to, the projection used more particularly to a kind of teaching of management
Instrument.
Background technology
It is used for it is well known that the projecting apparatus that management teaching uses is one kind in education process, assisted teacher carries out
Teaching, so that student is better understood from managing the ancillary equipment gained knowledge, it is widely used in field of Education and teaching；
The projecting apparatus that existing management teaching uses includes link and projection arrangement, and the link is installed on classroom ceiling
On, projection arrangement is installed on link bottom；The projecting apparatus that this management teaching uses need to only open projection arrangement when using
Switch, is projected it；The projecting apparatus that the teaching of this management uses finds that its height is fixed in using, can not be according to
Its height is adjusted in user demand, and adaptability is poor, higher using limitation；And link needs to consolidate by screw
Determine to ceiling, need to take out screw when this equipment is integrally damaged and replaced after removing, need to lead to again after replacement
Cross screw to secure it at the top of ceiling, process is more troublesome, and screw takes out the process being put into again by screw hole and holds very much
Fragile ceiling, causes fixed effect difference and drops；And equipment remove it is rear be inconvenient to be carried, so as to cause its use can
It is poor by property.
Utility model content
Its height can be adjusted according to user demand in order to solve the above technical problems, the utility model provides one kind,
Adaptability is improved, reduction uses limitation；Preferably fixed and dismounting effect is can reach at the same time, without often retracting screw；
And conveniently the equipment after removing is moved, improves the projecting apparatus that the management teaching of use reliability uses.
The projecting apparatus that a kind of management teaching of the utility model uses, including link and projection arrangement；The connection
Frame includes two groups of left attachment devices, two groups of right attachment devices, support plate, two groups of left fixing devices and two groups of right fixing devices, described
Left attachment device includes left connection board and left placement plate, and the support plate left end front side and rear side are both provided with lower through-hole, support plate top
End front side and rear side are both provided with lower placing groove, and placing groove is communicated with two groups of lower through-holes respectively under two groups, two groups of left companies
Fishplate bar bottom is separately positioned on two groups of lower through-holes with placing groove inner bottom wall left contact under two groups, two groups of left placement plates respectively
It is interior, and be respectively positioned on the left of two groups of lower through-holes, and two groups of left placement plate right ends are connected with the downside of two groups of left connection board left ends respectively, institute
Stating right attachment device includes right connection board and right placement plate, two groups of right connection board bottoms respectively with bottom in placing groove under two groups
Wall right contact, two groups of right placement plates are separately positioned in two groups of lower through-holes, and are respectively positioned on the right side of two groups of lower through-holes, and two
The right placement plate left end of group is connected with the downside of two groups of right connection board right ends respectively, is all provided with the upside of two groups of left connection board left ends
Left through hole is equipped with, is both provided with right through hole on the upside of two groups of right connection board right ends, the projection arrangement is arranged on support plate bottom；
The left fixing device includes left fixed plate, left electric telescopic rod and left fixed link, and the left electric telescopic rod is arranged on
On the right side of left fixed plate bottom, left fixed link top left hand is arranged on left electric telescopic rod bottom, and left fixed link right end is inserted into
In left through hole, the right fixing device includes right fixed plate, right electric telescopic rod and right fixed link, and the right electric telescopic rod is set
Put on the left of right fixed plate bottom, right electric telescopic rod bottom is arranged on the right side of right fixed link top, and the right fixed link is left
End is inserted into right through hole；Left handle and right handle are further included, the left handle bottom front side and rear side are respectively hinged at two groups
Left connection board top, right handle bottom front side and rear side are respectively hinged at two groups of right connection board tops.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes two groups of groups of springs, two groups of springs
Group is located under two groups in placing groove respectively, and two groups of groups of springs left ends and right end respectively with the downside of two groups of left connection board right ends and two
Connection on the downside of group right connection board left end.
A kind of projecting apparatus that uses of management teaching of the utility model, further include intubation on two groups, two groups of upper plungers and
Spring on two groups, right end is intubated on described two groups and be connected respectively with the upside of two groups of right connection board left ends, two groups of upper plungers left side
End is connected with the upside of two groups of left connection board right ends respectively, and spring is separately positioned on two groups in intubation on described two groups, and two groups
Upper spring left end is connected with two groups of upper plunger left ends respectively, and spring right end on the upside of two groups of right connection board left ends respectively with connecting on two groups
Connect.
A kind of projecting apparatus that uses of management teaching of the utility model, further include intubation under two groups, two groups of lower plungers and
Spring under two groups, left end is intubated under described two groups and be connected respectively with the downside of two groups of left connection board right ends, two groups of lower plungers right side
End is connected with the downside of two groups of right connection board left ends respectively, and spring is separately positioned under two groups in intubation under described two groups, and two groups
Lower spring left end is connected with the downside of two groups of left connection board right ends respectively, and spring right end connects with two groups of lower plunger left ends respectively under two groups
Connect.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes two groups of screwed pipes and two groups of threaded rods,
Two groups of left connecting rod right ends are both provided with left placing groove, and ball bearing is provided with left placing groove, two groups of spiral shells
Line pipe left end is inserted into two groups of ball bearings respectively, and two groups of threaded rod left ends are inserted into respectively and spiral shell is filled to two groups of screwed pipe right ends
Inside, two groups of threaded rod right ends are connected with two groups of right connecting rod left ends respectively.
The beneficial effects of the utility model are compared with prior art：, can be by adjusting two groups at the same time by above-mentioned setting
This device height is adjusted in left electric telescopic rod and two groups of right electric expansion pole lengths, improves adaptability, reduces and uses
Limitation；At the same time by the cooperation of left fixing piece and left connector and the cooperation of right fixing piece and right connector, reach
Preferably fixed and dismounting effect, without often retracting screw；It is and convenient to removing by the setting of left handle and right handle
Equipment afterwards is moved, and improves use reliability.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the A portions enlarged drawing of Fig. 1；
Marked in attached drawing：1 link；2nd, projection arrangement；3rd, support plate；4th, left connection board；5th, left placement plate；6th, right connection
Plate；7th, right placement plate；8th, left fixed plate；9th, left electric telescopic rod；10th, left fixed link；11st, right fixed plate；12nd, right electric expansion
Bar；13rd, right fixed link；14th, left handle；15th, right handle；16th, groups of springs；17th, upper intubation；18th, upper plunger；19th, upper spring；
20th, lower intubation；21st, lower plunger；22nd, lower spring；23rd, screwed pipe；24th, threaded rod；25th, ball bearing.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
As shown in Figure 1 to Figure 3, the projecting apparatus that a kind of management teaching of the utility model uses, including link 1 and throwing
Image device 2；It is right that link includes two groups of left attachment devices, two groups of right attachment devices, 3, two groups of left fixing devices of support plate and two groups
Fixing device, left attachment device include left connection board 4 and left placement plate 5, and support plate left end front side and rear side are both provided with lower through-hole,
On front side of support plate top and rear side is both provided with lower placing groove, and placing groove is communicated with two groups of lower through-holes respectively under two groups, and two groups left
Connecting plate bottom is separately positioned on two groups of lower through-holes with placing groove inner bottom wall left contact under two groups, two groups of left placement plates respectively
It is interior, and be respectively positioned on the left of two groups of lower through-holes, and two groups of left placement plate right ends are connected with the downside of two groups of left connection board left ends respectively, it is right
Attachment device includes right connection board 6 and right placement plate 7, two groups of right connection board bottoms respectively with the right side of placing groove inner bottom wall under two groups
Contact, two groups of right placement plates are separately positioned in two groups of lower through-holes, and are respectively positioned on the right side of two groups of lower through-holes, and two groups of right placement plates
Left end is connected with the downside of two groups of right connection board right ends respectively, and left through hole is both provided with the upside of two groups of left connection board left ends, and two groups right
Right through hole is both provided with the upside of connecting plate right end, projection arrangement is arranged on support plate bottom；Left fixing device includes left fixation
Plate 8, left electric telescopic rod 9 and left fixed link 10, left electric telescopic rod are arranged on the right side of left fixed plate bottom, left fixed link top
Left side is arranged on left electric telescopic rod bottom, and left fixed link right end is inserted into left through hole, and right fixing device includes right fixation
Plate 11, right electric telescopic rod 12 and right fixed link 13, right electric telescopic rod are arranged on the left of right fixed plate bottom, right fixed link top
End right side is arranged on right electric telescopic rod bottom, and right fixed link left end is inserted into right through hole；Further include left handle 14 and the right side
Handle 15, left handle bottom front side and rear side are respectively hinged at two groups of left connection board tops, divide on front side of right handle bottom with rear side
Two groups of right connection board tops are not hinged on；, can be right by adjusting two groups of left electric telescopic rods and two groups at the same time by above-mentioned setting
This device height is adjusted in electric expansion pole length, improves adaptability, and reduction uses limitation；Pass through left fixation at the same time
The cooperation of part and left connector and the cooperation of right fixing piece and right connector, reach preferably fixed and dismounting effect,
Without often retracting screw；And equipment after removing is moved by the way that the setting of left handle and right handle is convenient, is improved
Use reliability.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes two groups of groups of springs 16, two groups of groups of springs
Be located at respectively under two groups in placing groove, and two groups of groups of springs left ends and right end respectively with the downside of two groups of left connection board right ends and two groups
Connection on the downside of right connection board left end；By above-mentioned setting, left fixing piece and left connector and right fixing piece and right company can be facilitated
Coordinate between fitting and be attached, improve use reliability.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes 17, two groups of upper plungers of intubation on two groups
18 and two groups on spring 19, right end is intubated on two groups and is connected respectively with the upside of two groups of right connection board left ends, two groups of upper plunger left ends
It is connected respectively with the upside of two groups of left connection board right ends, spring is separately positioned on two groups in intubation on two groups, and spring on two groups
Left end is connected with two groups of upper plunger left ends respectively, and spring right end is connected with the upside of two groups of right connection board left ends respectively on two groups；It is logical
Above-mentioned setting is crossed, its stability can be increased when pressing left connection board and right connection board, improve use reliability.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes 20, two groups of lower plungers of intubation under two groups
21 and two groups under spring 22, left end is intubated under two groups and is connected respectively with the downside of two groups of left connection board right ends, two groups of lower plunger right ends
It is connected respectively with the downside of two groups of right connection board left ends, spring is separately positioned under two groups in intubation under two groups, and spring under two groups
Left end is connected with the downside of two groups of left connection board right ends respectively, and spring right end is connected with two groups of lower plunger left ends respectively under two groups；It is logical
Above-mentioned setting is crossed, its stability can be increased when pressing left connection board and right connection board, improve use reliability.
The projecting apparatus that a kind of management teaching of the utility model uses, further includes two groups of screwed pipes 23 and two groups of threaded rods
24, two groups of left connecting rod right ends are both provided with left placing groove, and ball bearing 25 is provided with left placing groove, two groups of screwed pipes
Left end is inserted into two groups of ball bearings respectively, and two groups of threaded rod left ends are inserted into respectively and spiral shell is filled in two groups of screwed pipe right ends
Portion, two groups of threaded rod right ends are connected with two groups of right connecting rod left ends respectively；, can be by left in rotated threaded tubular by above-mentioned setting
The distance between connecting plate and right connection board are adjusted, and without being adjusted by way of pressing, improving use can
By property.
The projecting apparatus that a kind of management teaching of the utility model uses, it when in use can be by two groups of left fixed plates and two
The right fixed plate of group is fixed by screws on ceiling, can be by adjusting two groups of left electric telescopic rods and two groups of electronic right electricity at the same time
This device is highly adjusted in dynamic telescopic rod, to be dismantled to this equipment, can be contracted by two groups of screwed pipes of rotation at the same time
The distance between short two groups of left connection boards and two groups of right connection boards, make two groups of left fixed links and two groups of right fixed links respectively from two groups
Removed in left through hole and two groups of right through holes, so that left fixing piece and left connector separate, right fixing piece and right connector separate,
Then this equipment is removed, the equipment cocoa after removing is moved by holding left handle and right handle.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made, these change
The scope of protection of the utility model is also should be regarded as into modification.
Claims (5)
1. the projecting apparatus that a kind of management teaching uses, including link (1) and projection arrangement (2)；It is characterized in that, link
(1) two groups of left attachment devices, two groups of right attachment devices, support plate (3), two groups of left fixing devices and two groups of right fixing devices are included,
Left attachment device includes left connection board (4) and left placement plate (5), and support plate (3) left end front side and rear side are both provided with lower through-hole, prop up
On front side of plate (3) top and rear side is both provided with lower placing groove, and placing groove is communicated with two groups of lower through-holes respectively under two groups, and two groups left
Connecting plate (4) bottom is separately positioned under two groups with placing groove inner bottom wall left contact under two groups, two groups of left placement plates (5) respectively
In through hole, and be respectively positioned on the left of two groups of lower through-holes, and two groups of left placement plate (5) right ends respectively with two groups of left connection board (4) left ends
Downside connects, and right attachment device includes right connection board (6) and right placement plate (7), two groups of right connection board (6) bottoms respectively with two groups
Lower placing groove inner bottom wall right contact, two groups of right placement plates (7) are separately positioned in two groups of lower through-holes, and are respectively positioned under two groups and are led to
On the right side of hole, and two groups of right placement plate (7) left ends are connected with the downside of two groups of right connection board (6) right ends respectively, two groups of left connection boards (4)
Left through hole is both provided with the upside of left end, right through hole is both provided with the upside of two groups of right connection board (6) right ends, projection arrangement (2) is set
In support plate (3) bottom；Left fixing device includes left fixed plate (8), left electric telescopic rod (9) and left fixed link (10), left electronic
Telescopic rod (9) is arranged on the right side of left fixed plate (8) bottom, and left fixed link (10) top left hand is arranged on left electric telescopic rod (9)
Bottom, and left fixed link (10) right end is inserted into left through hole, right fixing device includes right fixed plate (11), right electric telescopic rod
(12) it is arranged on right fixed link (13), right electric telescopic rod (12) on the left of right fixed plate (11) bottom, right fixed link (13) top
End right side is arranged on right electric telescopic rod (12) bottom, and right fixed link (13) left end is inserted into right through hole；A left side is further included to carry
Hand (14) and right handle (15), left handle (14) bottom front side and rear side are respectively hinged at two groups of left connection board (4) tops, and the right side carries
On front side of hand (15) bottom and rear side is respectively hinged at two groups of right connection board (6) tops.
2. the projecting apparatus that a kind of management teaching as claimed in claim 1 uses, it is characterised in that further include two groups of groups of springs
(16), two groups of groups of springs (16) are located under two groups in placing groove respectively, and two groups of groups of springs (16) left ends and right end are respectively with two
Connected on the downside of group left connection board (4) right end and on the downside of two groups of right connection board (6) left ends.
3. the projecting apparatus that a kind of management teaching as claimed in claim 2 uses, it is characterised in that further include and be intubated on two groups
(17), spring (19) on two groups of upper plungers (18) and two groups, it is left with two groups of right connection boards (6) respectively to be intubated (17) right end on two groups
The connection of end upside, two groups of upper plunger (18) left ends are connected with the upside of two groups of left connection board (4) right ends respectively, spring (19) on two groups
It is separately positioned on two groups and is intubated in (17), and spring (19) left end is connected with two groups of upper plunger (18) left ends respectively on two groups,
Spring (19) right end is connected with the upside of two groups of right connection board (6) left ends respectively on two groups.
4. the projecting apparatus that a kind of management teaching as claimed in claim 3 uses, it is characterised in that further include and be intubated under two groups
(20), spring (22) under two groups of lower plungers (21) and two groups, it is right with two groups of left connection boards (4) respectively to be intubated (20) left end under two groups
The connection of end downside, two groups of lower plunger (21) right ends are connected with the downside of two groups of right connection board (6) left ends respectively, spring (22) under two groups
Be separately positioned under two groups and be intubated in (20), and under two groups spring (22) left end respectively with the downside of two groups of left connection board (4) right ends
Connect, spring (22) right end is connected with two groups of lower plunger (21) left ends respectively under two groups.
5. the projecting apparatus that a kind of management teaching as claimed in claim 4 uses, it is characterised in that further include two groups of screwed pipes
(23) and two groups of threaded rods (24), two groups of left connection board right ends are both provided with left placing groove, and rolling is provided with left placing groove
Pearl bearing (25), two groups of screwed pipe (23) left ends are inserted into two groups of ball bearings (25) respectively, two groups of threaded rod (24) left ends
Simultaneously spiral shell is filled to inside two groups of screwed pipe (23) right ends for insertion respectively, and two groups of threaded rod (24) right ends are left with two groups of right connection boards respectively
End connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720614057.XU CN207349749U (en) | 2017-05-27 | 2017-05-27 | The projecting apparatus that a kind of management teaching uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720614057.XU CN207349749U (en) | 2017-05-27 | 2017-05-27 | The projecting apparatus that a kind of management teaching uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349749U true CN207349749U (en) | 2018-05-11 |
Family
ID=62361946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720614057.XU Expired - Fee Related CN207349749U (en) | 2017-05-27 | 2017-05-27 | The projecting apparatus that a kind of management teaching uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886936A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Valve body support and assembling method |
-
2017
- 2017-05-27 CN CN201720614057.XU patent/CN207349749U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886936A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Valve body support and assembling method |
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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 |
Granted publication date: 20180511 Termination date: 20190527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |