CN204534016U - Multimedia teaching projection fixing device - Google Patents
Multimedia teaching projection fixing device Download PDFInfo
- Publication number
- CN204534016U CN204534016U CN201520226613.7U CN201520226613U CN204534016U CN 204534016 U CN204534016 U CN 204534016U CN 201520226613 U CN201520226613 U CN 201520226613U CN 204534016 U CN204534016 U CN 204534016U
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- CN
- China
- Prior art keywords
- guide rod
- circular hole
- fixing device
- multimedia teaching
- screw
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Abstract
The utility model discloses a kind of multimedia teaching projection fixing device, described multimedia teaching projection fixing device comprises the guide rod of a vertical rod longitudinally arranged and a cross setting, and the head of described guide rod is provided with a dismountable mounting bracket.The advantage of multimedia teaching projection fixing device of the present utility model is: when not needing projection, user directly can stir guide rod, utilize and rotate horizontal stripe, whole guide rod can turn to longitudinal state together with mounting bracket simultaneously, greatly reduces taking up room of projection equipment.This multimedia teaching projection fixture structure is simple, easy to use, practical.
Description
Technical field
The utility model relates to a kind of multimedia equipment, or rather, is a kind of multimedia teaching projection fixing device.
Background technique
A large amount of use multimedia overhead projector equipment in modern teaching, existing projection equipment is usually fixing to be hung on the ceiling, takes up room large, almost cannot regulate the angle of inclination of projection setting.
Model utility content
The utility model mainly solves the technical problem existing for prior art, thus provides a kind of multimedia teaching projection fixing device.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of multimedia teaching projection fixing device, described multimedia teaching projection fixing device comprises the guide rod of a vertical rod longitudinally arranged and a cross setting, the head of described guide rod is provided with a dismountable mounting bracket, be provided with a rotation horizontal stripe and between described vertical rod and described guide rod and support horizontal stripe, the sidewall of described vertical rod is respectively equipped with one first draw-in groove, the sidewall of described guide rod is respectively equipped with one second draw-in groove, the head of described support horizontal stripe is provided with one first supporting circular holes, the afterbody of described support horizontal stripe is provided with one second supporting circular holes, one first screw runs through the first described supporting circular holes and is connected with the second described draw-in groove, one second screw runs through the second described supporting circular holes and is connected with the first described draw-in groove, the afterbody of described guide rod is provided with a guide rod projection, described guide rod projection is provided with a guide rod circular hole, described rotation horizontal stripe is provided with one first and rotates circular hole, one second rotates circular hole and the 3rd rotates circular hole, one the 3rd screw runs through the first described rotation circular hole and is connected with the first described draw-in groove, one the 4th screw runs through the 3rd described rotation circular hole and described guide rod circular hole, a damping screw is provided with in the second described rotation circular hole, the head of described damping screw is provided with a damper cap.
As the utility model preferred embodiment, the middle part of described mounting bracket is provided with pair of brackets circular hole, the both sides of described mounting bracket are respectively equipped with pair of brackets notch, and pair of brackets screw runs through described support circular hole respectively and is fixedly connected with described guide rod.
The advantage of multimedia teaching projection fixing device of the present utility model is: when not needing projection, user directly can stir guide rod, utilize and rotate horizontal stripe, whole guide rod can turn to longitudinal state together with mounting bracket simultaneously, greatly reduces taking up room of projection equipment.This multimedia teaching projection fixture structure is simple, easy to use, practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of multimedia teaching of the present utility model projection fixing device;
Fig. 2 is the stereochemical structure decomposing schematic representation of the multimedia teaching projection fixing device in Fig. 1;
Fig. 3 is the details enlarged diagram of a-quadrant of the multimedia teaching projection fixing device in Fig. 2;
Fig. 4 is the details enlarged diagram in B region of the multimedia teaching projection fixing device in Fig. 2;
Fig. 5 is the further stereochemical structure decomposing schematic representation of the multimedia teaching projection fixing device in Fig. 2;
Fig. 6 is the details enlarged diagram in C region of the multimedia teaching projection fixing device in Fig. 5;
Fig. 7 is the further stereochemical structure decomposing schematic representation of the multimedia teaching projection fixing device in Fig. 5;
Wherein,
1, multimedia teaching projection fixing device; 2, vertical rod; 21, the first draw-in groove; 3, guide rod; 31, the second draw-in groove; 32, guide rod projection; 33, guide rod circular hole; 4, horizontal stripe is supported; 41, the first supporting circular holes; 42, the second supporting circular holes; 5, the first screw; 6, the second screw; 7, mounting bracket; 71, support circular hole; 72, support notch; 8, bracket screw; 9, horizontal stripe is rotated; 91, first circular hole is rotated; 92, second circular hole is rotated; 93, the 3rd circular hole is rotated; 10, damping screw; 11, the 3rd screw; 12, the 4th screw; 13, damper cap.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
As shown in Figures 1 to 7, this multimedia teaching projection fixing device 1 comprises the guide rod 3 of a vertical rod 2 longitudinally arranged and a cross setting, the head of this guide rod 3 is provided with a dismountable mounting bracket 7, be provided with a rotation horizontal stripe 9 and between this vertical rod 2 and this guide rod 3 and support horizontal stripe 4, the sidewall of this vertical rod 2 is respectively equipped with one first draw-in groove 21, the sidewall of this guide rod 3 is respectively equipped with one second draw-in groove 31, the head of this support horizontal stripe 4 is provided with one first supporting circular holes 41, the afterbody of this support horizontal stripe 4 is provided with one second supporting circular holes 42, one first screw 5 runs through this first supporting circular holes 41 and is connected with this second draw-in groove 31, one second screw 6 runs through this second supporting circular holes 42 and is connected with this first draw-in groove 21, the afterbody of this guide rod 3 is provided with a guide rod projection 32, this guide rod projection 32 is provided with a guide rod circular hole 33, this rotation horizontal stripe 9 is provided with one first and rotates circular hole 91, one second rotates circular hole 92 and the 3rd rotates circular hole 93, one the 3rd screw 11 runs through this first rotation circular hole 91 and is connected with this first draw-in groove 21, one the 4th screw 12 runs through the 3rd and rotates circular hole 93 and this guide rod circular hole 33, a damping screw 10 is provided with in this second rotation circular hole 92, the head of this damping screw 10 is provided with a damper cap 13.
The middle part of this mounting bracket 7 is provided with pair of brackets circular hole 71, and the both sides of this mounting bracket 7 are respectively equipped with pair of brackets notch 72, and pair of brackets screw 8 runs through this support circular hole 71 respectively and is fixedly connected with this guide rod 3.
During use, as depicted in figs. 1 and 2, projection equipment can directly be fixed on mounting bracket 7 by user.When not needing projection, user can directly stir guide rod 3, and utilize and rotate horizontal stripe 9, whole guide rod 3 can turn to longitudinal state together with mounting bracket 7 simultaneously, greatly reduces taking up room of projection equipment.In addition, utilize and support horizontal stripe 4, user can the setting angle of free adjustment mounting bracket 7, and be user-friendly for debugging, flexibility is good.
In addition, utilize damping screw 10 and damper cap 13, can effectively prevent the accident of guide rod 3 from sliding, do not affect again the upset of guide rod 3 simultaneously.
This multimedia teaching projection fixing device 1 structure is simple, easy to use, practical.
Be not limited to this, any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (2)
1. a multimedia teaching projection fixing device, it is characterized in that, described multimedia teaching projection fixing device (1) comprises the guide rod (3) of a vertical rod (2) longitudinally arranged and a cross setting, the head of described guide rod (3) is provided with a dismountable mounting bracket (7), be provided with a rotation horizontal stripe (9) and between described vertical rod (2) and described guide rod (3) and support horizontal stripe (4), the sidewall of described vertical rod (2) is respectively equipped with one first draw-in groove (21), the sidewall of described guide rod (3) is respectively equipped with one second draw-in groove (31), the head of described support horizontal stripe (4) is provided with one first supporting circular holes (41), the afterbody of described support horizontal stripe (4) is provided with one second supporting circular holes (42), one first screw (5) runs through described the first supporting circular holes (41) and is connected with described the second draw-in groove (31), one second screw (6) runs through described the second supporting circular holes (42) and is connected with described the first draw-in groove (21), the afterbody of described guide rod (3) is provided with a guide rod projection (32), described guide rod projection (32) is provided with a guide rod circular hole (33), described rotation horizontal stripe (9) is provided with one first and rotates circular hole (91), one second rotates circular hole (92) and the 3rd rotates circular hole (93), one the 3rd screw (11) runs through the first described rotation circular hole (91) and is connected with described the first draw-in groove (21), one the 4th screw (12) runs through the 3rd described rotation circular hole (93) and described guide rod circular hole (33), a damping screw (10) is provided with in the second described rotation circular hole (92), the head of described damping screw (10) is provided with a damper cap (13).
2. multimedia teaching projection fixing device according to claim 1, it is characterized in that, the middle part of described mounting bracket (7) is provided with pair of brackets circular hole (71), the both sides of described mounting bracket (7) are respectively equipped with pair of brackets notch (72), and pair of brackets screw (8) runs through described support circular hole (71) respectively and is fixedly connected with described guide rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226613.7U CN204534016U (en) | 2015-04-15 | 2015-04-15 | Multimedia teaching projection fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226613.7U CN204534016U (en) | 2015-04-15 | 2015-04-15 | Multimedia teaching projection fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204534016U true CN204534016U (en) | 2015-08-05 |
Family
ID=53748022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520226613.7U Expired - Fee Related CN204534016U (en) | 2015-04-15 | 2015-04-15 | Multimedia teaching projection fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204534016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351709A (en) * | 2015-11-20 | 2016-02-24 | 山东送变电工程公司 | Carrying support special for GIS foundation grounding block |
-
2015
- 2015-04-15 CN CN201520226613.7U patent/CN204534016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351709A (en) * | 2015-11-20 | 2016-02-24 | 山东送变电工程公司 | Carrying support special for GIS foundation grounding block |
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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: 20150805 Termination date: 20170415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |