CN203784586U - Projector suspension bracket - Google Patents

Projector suspension bracket Download PDF

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Publication number
CN203784586U
CN203784586U CN201320895636.8U CN201320895636U CN203784586U CN 203784586 U CN203784586 U CN 203784586U CN 201320895636 U CN201320895636 U CN 201320895636U CN 203784586 U CN203784586 U CN 203784586U
Authority
CN
China
Prior art keywords
provided
described
projector
lifting bar
land
Prior art date
Application number
CN201320895636.8U
Other languages
Chinese (zh)
Inventor
黄录良
Original Assignee
陕西理工学院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 陕西理工学院 filed Critical 陕西理工学院
Priority to CN201320895636.8U priority Critical patent/CN203784586U/en
Application granted granted Critical
Publication of CN203784586U publication Critical patent/CN203784586U/en

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Abstract

The utility model discloses a projector suspension bracket and relates to the field of film and television teaching equipment. The projector suspension bracket comprises a bottom plate fixed below a ceiling, a lifting rod and a hanging frame. A slide chute is formed in the bottom plate and is 1 m to 1.5 m long, the slide chute is provided with a connector, the connector is provided with two U-shaped hooks, a positioning hole is formed between the U-shaped hooks, the U-shaped hooks are connected with the lifting rod, the lifting rod is provided with a knob screw and a dustproof plate, a large connecting disk and a small connecting disk are arranged at the tail end of the lifting rod, and the large connecting disk is arranged above the small connecting disk and connected with the hanging frame. The projector suspension bracket is reasonable in design, simple in structure, wide in application range and low in cost; because the corresponding slide chute is used, the distance between the projector bracket and a screen can be freely adjusted; because the dustproof plate and dustproof cloth are matched, dust can be effectively prevented from entering a projector.

Description

A kind of projector suspension holdfast

Technical field

The utility model relates to video display teaching basis apparatus field, relates in particular to a kind of projector suspension holdfast.

Technical background

The current continuous popularization along with video display teaching is with universal, projector is widely used in classroom, conference hall etc., traditional way is that projector is placed on desk and is used, for classroom and the convention Room etc., be placed on and on desk, carry out projection and obviously have a lot of inconveniences, at this moment just need a kind of suspension bracket being suspended on ceiling board, and current projector mount is to be directly hung on ceiling board, the position of support cannot be moved, so this support can only match with a kind of projector, lack the property adjusted, as application number is: the suspension bracket for projector as described in 200910030479.2, distinguishing feature is to be provided with liftable sleeve pipe, but this lifting sleeve can only change the position of projector in vertical height, and specifically can only could realize by focusing between projector and screen is clear, but the adjusting of focal length is also limited, after having changed projector, distance between original support and screen not necessarily meets the requirement of new projector, certainly projector After Long-term Simulated Weightlessness is on ceiling board, unmanned cleaning, if do not take certain dust prevention to be just easy to into ash, affect the working life of projector.

Summary of the invention

The deficiency that provides a kind of projector suspension holdfast to exist to solve existing issue is provided the purpose of this utility model.

A kind of projector suspension holdfast, comprise the base plate being fixed under ceiling board, lifting bar and suspension bracket, described base plate is provided with chute, the length of described chute is 1m-1.5m, described chute is connected with connecting body, described connecting body is provided with two U-shaped hooks, between described U-shaped hook, be provided with positioning hole, on described U-shaped hook, be connected with lifting bar, described lifting bar is provided with knob screw, described lifting bar is provided with dust guard, described lifting bar end is provided with large land and little land, described large land is located at above little land, described large land is connected with suspension bracket.

Preferably, described connecting body is also provided with fixing pin with respect to runner position.

Preferably, the edge of described dust guard is provided with the long dustcloth for 30cm-50cm.

Preferably, between described large land and little land, be provided with friction plate.

Preferably, described dustcloth is provided with projection window.

The beneficial effects of the utility model, reasonable in design, simple in structure, applicability is wide, with low cost, use corresponding chute, can adjust arbitrarily the distance between projection bracket and screen, dust guard matches with dustcloth, can effectively prevent that dust from entering in projector, base plate, lifting bar and suspension bracket are the basic structure of projector mount, there is the long chute of 1m, the convenient distance of adjusting between projector mount and screen, connecting body is connecting base plate and lifting bar, be provided with two U-shaped hooks, can be the in the situation that of one man operation mounting bracket, save manpower, facilitate installation and removal, positioning hole between hook is for fixing lifting bar, prevent that lifting bar from rocking, what the knob screw on lifting bar was used for regulating projection is vertical height, lifting bar is provided with dust guard can effectively cover the dust from ceiling board, the end of lifting bar is provided with big or small land, can adjust arbitrarily the angle of projector, runner position is also provided with fixing pin, in the time that projector has been determined correct position, just can fix with fixing pin the position of support, the dustcloth that the edge of dust guard is provided with appropriate length can cover projector, cover dust, between large land and little land, be provided with friction plate, improve the frictional force between large land and little land, for improving the accuracy of adjusting projector angle of swing, dustcloth is provided with projection window, prevent that dustcloth from covering the light of projection lamp.

Brief description of the drawings

Fig. 1 is the structural representation of a kind of projector suspension holdfast of the utility model.

Fig. 2 is the structural representation of a kind of projector suspension holdfast of the utility model connecting body.1-base plate, 2-lifting bar, 3-suspension bracket, 4-connecting body, 11-chute, 21-knob screw 22-dust guard, 23-dustcloth, 24-projection window, 41-hook, 42-positioning hole, 43-fixing pin, the large land of 51-, the little land of 52-, 53-friction plate.

Embodiment

A kind of projector suspension holdfast as described in Fig. 1 Fig. 2, comprise the base plate 1 being fixed under ceiling board, lifting bar 2 and suspension bracket 3, base plate 1, lifting bar 2 and suspension bracket 3 are the basic structure of projector mount, described base plate 1 is provided with chute 11, the length of described chute 11 is 1m-1.5m, described chute 11 is provided with connecting body 4, there is the long chute 1 of 1m, facilitate connecting body 4 to adjust the distance between projector mount and screen, described connecting body 4 is provided with two U-shaped hooks 41, be provided with two U-shaped hooks 41, can be the in the situation that of one man operation mounting bracket, save manpower, facilitate installation and removal, between described U-shaped hook 41, be provided with positioning hole 42, positioning hole 42 is for fixing lifting bar 2, prevent that lifting bar 2 from rocking, on described U-shaped hook 41, be connected with lifting bar 2, described lifting bar 2 is provided with knob screw 21, thereby knob screw 21 is used for regulating, the length of lifting bar regulates projection is vertical height, described lifting bar 2 is provided with dust guard 22, dust guard 22 can effectively cover the dust from ceiling board, described lifting bar 2 ends are provided with large land 51 and little land 52, described large land 51 is located on little land 52, described large land 51 is connected with suspension bracket 3, large land 51 and little land 52 coordinate the angle that can adjust arbitrarily projector, be connected with suspension bracket and can increase the pressure between it on little land 52 with large land 51.

It should be noted that described connecting body 4 is also provided with fixing pin 43 with respect to chute 11 positions, for the position of rigid connector 4.

Edge that it should be noted that described dust guard 22 is provided with the long dustcloth 23 for 30cm-50cm, and dustproof 23 cloth that the edge of dust guard 22 is provided with appropriate length can cover projector, cover dust.

In the present embodiment, between described large land 51 and little land 52, be provided with friction plate, improve the frictional force between large land 51 and little land 52, for improving the accuracy of adjusting projector angle of swing, described dustcloth 23 is provided with projection window 24, prevents that dustcloth 23 from covering the light of projection lamp.

Based on a kind of projector suspension holdfast described above, reasonable in design, simple in structure, applicability is wide, with low cost, use corresponding chute, can adjust arbitrarily the distance between projection bracket and screen, dust guard matches with dustcloth, can effectively prevent that dust from entering in projector, base plate, lifting bar and suspension bracket are the basic structure of projector mount, there is the long chute of 1m, the convenient distance of adjusting between projector mount and screen, connecting body is connecting base plate and lifting bar, be provided with two U-shaped hooks, can be the in the situation that of one man operation mounting bracket, save manpower, facilitate installation and removal, positioning hole between hook is for fixing lifting bar, prevent that lifting bar from rocking, what the knob screw on lifting bar was used for regulating projection is vertical height, lifting bar is provided with dust guard can effectively cover the dust from ceiling board, the end of lifting bar is provided with big or small land, can adjust arbitrarily the angle of projector.

As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.

Claims (5)

1. a projector suspension holdfast, comprise the base plate being fixed under ceiling board, lifting bar and suspension bracket, it is characterized in that: described base plate is provided with chute, the length of described chute is 1m-1.5m, described chute is provided with connecting body, described connecting body is provided with two U-shaped hooks, between described U-shaped hook, be provided with positioning hole, on described U-shaped hook, be also connected with lifting bar, described lifting bar is provided with lifting bar described in knob screw and is provided with dust guard, described lifting bar end is provided with large land and little land, described large land is located at above little land, described large land is connected with suspension bracket.
2. a kind of projector suspension holdfast according to claim 1, is characterized in that: on described connecting body, be also provided with fixing pin with respect to runner position.
3. a kind of projector suspension holdfast according to claim 1, is characterized in that: the edge of described dust guard is provided with the long dustcloth for 30cm-50cm.
4. a kind of projector suspension holdfast according to claim 1, is characterized in that: between described large land and little land, be provided with friction plate.
5. a kind of projector suspension holdfast according to claim 3, is characterized in that: described dustcloth is provided with projection window.
CN201320895636.8U 2013-12-29 2013-12-29 Projector suspension bracket CN203784586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320895636.8U CN203784586U (en) 2013-12-29 2013-12-29 Projector suspension bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320895636.8U CN203784586U (en) 2013-12-29 2013-12-29 Projector suspension bracket

Publications (1)

Publication Number Publication Date
CN203784586U true CN203784586U (en) 2014-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320895636.8U CN203784586U (en) 2013-12-29 2013-12-29 Projector suspension bracket

Country Status (1)

Country Link
CN (1) CN203784586U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105333285A (en) * 2015-12-05 2016-02-17 永嘉跑酷智能科技有限公司 Push rod type lifting power supply device
CN105372918A (en) * 2015-12-15 2016-03-02 重庆触视科技有限公司 Adjustment device for projector
CN105652576A (en) * 2016-03-09 2016-06-08 宁波萨瑞通讯有限公司 Device and method for automatically adjusting projection position of projector
CN106527029A (en) * 2016-12-30 2017-03-22 明基电通有限公司 Automatic installation and adjustment system for projector
CN109296909A (en) * 2018-10-17 2019-02-01 北京西柚传媒科技有限公司 A kind of huge curtain projection fixes device with projection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105333285A (en) * 2015-12-05 2016-02-17 永嘉跑酷智能科技有限公司 Push rod type lifting power supply device
CN105372918A (en) * 2015-12-15 2016-03-02 重庆触视科技有限公司 Adjustment device for projector
CN105652576A (en) * 2016-03-09 2016-06-08 宁波萨瑞通讯有限公司 Device and method for automatically adjusting projection position of projector
CN105652576B (en) * 2016-03-09 2017-09-26 宁波萨瑞通讯有限公司 The adjusting device and method of adjust automatically projector position
CN106527029A (en) * 2016-12-30 2017-03-22 明基电通有限公司 Automatic installation and adjustment system for projector
CN109296909A (en) * 2018-10-17 2019-02-01 北京西柚传媒科技有限公司 A kind of huge curtain projection fixes device with projection device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20141229