CN208503857U - A kind of bracket of optical instrument - Google Patents
A kind of bracket of optical instrument Download PDFInfo
- Publication number
- CN208503857U CN208503857U CN201821124698.8U CN201821124698U CN208503857U CN 208503857 U CN208503857 U CN 208503857U CN 201821124698 U CN201821124698 U CN 201821124698U CN 208503857 U CN208503857 U CN 208503857U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- sunpender
- shaft
- cavity
- square tube
- 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
Links
Abstract
The utility model discloses a kind of brackets of optical instrument, including fixed plate, sunpender and square tube, the sunpender is fixedly connected on the lower surface of fixed plate, the surface of the sunpender is flexibly connected with the inner wall of square tube, the lower surface of the fixed plate has been respectively fixedly connected with connecting rod and support rod, the sunpender, connecting rod and support rod are arranged successively from left to right, the bottom of the square tube is fixedly connected with mounting plate, the front of the square tube is fixedly connected with rack gear, the inside of the support rod offers cavity, the bottom movable inlaying of the cavity inner wall has shaft, the surface fixing sleeve of the shaft is connected to drive bevel gear, the drive bevel gear is located at the inside of cavity.For the utility model by setting drive bevel gear, driven wheel of differential, transmission gear and rack gear, the height for solving most of projectors is higher, and needing to stand aloft adjusts the height of projector, makes troubles problem to the adjusting of height of projector.
Description
Technical field
The utility model relates to fixed support technology field, specially a kind of brackets of optical instrument.
Background technique
Optical instrument is to be combined to constitute by single or multiple optical devices, most of optical instruments using when require bracket
Support, if using will be very inconvenient without bracket, projector is one kind of optical instrument, and most of projectors are
It lifts on the ceiling, so needing using hoisting bracket.
After the good height of projector mounting and adjusting common at present, it may occur to change up and down in the image that the later period launches
When, adjusting height of projector is needed, but since the height of most of projectors is higher, needing to stand aloft adjusts projector
Highly, it makes troubles to the adjusting of height of projector.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of bracket of optical instrument, solves most of
The height of projector is higher, and needing to stand aloft adjusts the height of projector, makes troubles problem to the adjusting of height of projector.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of bracket of optical instrument, including solid
Fixed board, sunpender and square tube, the sunpender are fixedly connected on the lower surface of fixed plate, and the surface of the sunpender and the inner wall of square tube are living
Dynamic connection, the lower surface of the fixed plate has been respectively fixedly connected with connecting rod and support rod, the sunpender, connecting rod and support rod
It being arranged successively from left to right, the bottom of the square tube is fixedly connected with mounting plate, and the front of the square tube is fixedly connected with rack gear,
The inside of the support rod offers cavity, and the bottom movable inlaying of the cavity inner wall has shaft, and the surface of the shaft is solid
Surely be socketed with drive bevel gear, the drive bevel gear is located at the inside of cavity, the bottom of the shaft through cavity and with turn
The upper surface of wheel is fixedly connected, and the upper surface of the runner offers locating slot, and the bottom of the support rod is fixedly connected with
Fixed pole, the fixed link are located at the right side of shaft, and the lower surface of the fixed link offers limit hole, the inside of the limit hole
Be movably connected with spring and limited block, the limited block is plugged on the inside of locating slot, the both ends of the spring respectively with
It is fixedly connected at the top of the top of limit hole inner wall and limited block, the inside of the connecting rod is inlaid with bearing, the bearing
Inner wall is fixedly connected with transmission shaft, and the right end of the transmission shaft is flexibly connected through cavity and with the right side of cavity inner wall, described
The surface of transmission shaft has been respectively fixedly connected with driven wheel of differential and transmission gear, and the transmission gear is engaged with rack, it is described from
Dynamic bevel gear is engaged with drive bevel gear.
Preferably, the sunpender, connecting rod and support rod are square bar, and sunpender is T-shaped.
Preferably, the quantity of the locating slot is 16, and 16 locating slots are using the center of circle of runner as in array
The distribution of heart circular array.
Preferably, the bottom of the limited block is curved surface, and the shape of the locating slot is adapted with the shape of limited block.
Preferably, the shaft is vertical with transmission shaft, and the lower surface of the fixed plate and the upper surface of mounting plate are parallel.
(3) beneficial effect
The utility model provides a kind of bracket of optical instrument, have it is following the utility model has the advantages that
1, the utility model is made by setting drive bevel gear, driven wheel of differential, transmission gear and rack gear, rotating wheel
The inner wall for obtaining locating slot squeezes limited block, and limited block squeezes spring and enters in limit hole, and runner drives active conical tooth by shaft
Wheel rotation, drive bevel gear are engaged with driven wheel of differential, so that driven wheel of differential rotates, driven wheel of differential is driven by transmission shaft
Transmission gear rotation, transmission gear is engaged with rack, so that rack gear moves upwards, rack drives square tube is moved upwards, and runner stops
When rotation stop is moved, under spring tension, limited block is moved downwardly into locating slot, so that runner not can rotate, square tube
It will not move downward, the height of runner is more much lower than the height of mounting plate, and the height of projector can be adjusted in lower by standing
Degree has achieved the effect that facilitate adjusting height of projector, the height for solving most of projectors is higher, needs to stand and aloft adjust
The height for saving projector is made troubles problem to the adjusting of height of projector.
2, the utility model is fixedly connected by setting bearing, the outer wall of bearing with the inside of connecting rod, the inner wall of bearing
It is fixedly connected with the surface of transmission shaft, so that frictional force when shaft rotates reduces.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is A schematic enlarged-scale view in the utility model Fig. 1；
Fig. 3 is B structure enlarged drawing in the utility model Fig. 1；
Fig. 4 is that figure is cutd open on a left side at the utility model boom location；
Fig. 5 is that the utility model positions top cross-sectional view at groove location.
In figure: 1 fixed plate, 2 sunpenders, 3 square tubes, 4 connecting rods, 5 support rods, 6 mounting plates, 7 rack gears, 8 cavitys, 9 shafts, 10
Drive bevel gear, 11 runners, 12 locating slots, 13 fixed links, 14 limit holes, 15 springs, 16 limited blocks, 17 bearings, 18 transmission shafts,
19 driven wheel of differential, 20 transmission gears.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of bracket of optical instrument, including fixation
Plate 1, sunpender 2 and square tube 3, sunpender 2 are fixedly connected on the lower surface of fixed plate 1, and sunpender 2 plays a supportive role to transmission shaft 18, hangs
The surface of bar 2 is flexibly connected with the inner wall of square tube 3, and the lower surface of fixed plate 1 has been respectively fixedly connected with connecting rod 4 and support rod 5,
Support rod 5 plays a supportive role to transmission shaft 18 and drive bevel gear 10, and sunpender 2, connecting rod 4 and support rod 5 are square bar, and are hung
Bar 2 is T-shaped, and sunpender 2, connecting rod 4 and support rod 5 are arranged successively from left to right, and the bottom of square tube 3 is fixedly connected with mounting plate 6,
Mounting plate 6 is fixedly connected with rack gear 7 for installing projector, the front of square tube 3, and rack gear 7 can drive square tube 3 to move up and down,
The inside of support rod 5 offers cavity 8, and the bottom movable inlaying of 8 inner wall of cavity has shaft 9, and the surface fixing sleeve of shaft 9 is connected to
Drive bevel gear 10, drive bevel gear 10 are located at the inside of cavity 8, and cavity 8 and the upper table with runner 11 are run through in the bottom of shaft 9
Face is fixedly connected, and the upper surface of runner 11 offers locating slot 12, and the quantity of locating slot 12 is 16, and 16 locating slots
12 are distributed by array center's circular array of the center of circle of runner 11, and the bottom of support rod 5 is fixedly connected with fixed link 13, fixed
Bar 13 is located at the right side of shaft 9, and the lower surface of fixed link 13 offers limit hole 14, and the inside of limit hole 14 is movably connected with
Have a spring 15 and limited block 16, limited block 16 is inserted into locating slot 12, under the action of 15 tension of spring so that limited block 16 with
Biggish frictional force is generated between locating slot 12, prevents runner 11 from rotating, so that projector will not under gravity down
Fall, the bottom of limited block 16 is curved surface, and the shape of locating slot 12 is adapted with the shape of limited block 16, and limited block 16 is plugged on fixed
The inside of position slot 12, the both ends of spring 15 are fixedly connected with the top at the top of 14 inner wall of limit hole and limited block 16 respectively, even
The inside of extension bar 4 is inlaid with bearing 17, and the inner wall of bearing 17 is fixedly connected with transmission shaft 18, and bearing 17 can reduce transmission shaft 18
Frictional force when rotation between connecting rod 4, shaft 9 is vertical with transmission shaft 18, and the lower surface of fixed plate 1 is upper with mounting plate 6
Surface is parallel, and to guarantee that the position of projector in the horizontal direction will not change, the right end of transmission shaft 18 runs through cavity 8 simultaneously
It is flexibly connected with the right side of 8 inner wall of cavity, the surface of transmission shaft 18 has been respectively fixedly connected with driven wheel of differential 19 and transmission gear
20, transmission gear 20 is engaged with rack gear 7, and driven wheel of differential 19 is engaged with drive bevel gear 10.
When in use, projector is mounted on mounting plate 6, is secured the stand on ceiling by fixed plate 1, uses hand
Rotating wheel 11, so that the inner wall of locating slot 12 squeezes limited block 16, limited block 16 squeezes spring 15 and enters in limit hole 14, turns
Wheel 11 drives drive bevel gear 10 to rotate in cavity 8 by shaft 9, and drive bevel gear 10 is engaged with driven wheel of differential 19, is made
It obtains driven wheel of differential 19 to rotate, driven wheel of differential 19 drives transmission shaft 18 to rotate, and support rod 5 can support drive bevel gear 10 and pass
Moving axis 18, to guarantee that they can reduce the frictional force between transmission shaft 18 and connecting rod 4 with normal operation, bearing 17, transmission
Axis 18 is rotated with nutating gear 20, and transmission gear 20 is engaged with rack gear 7, so that rack gear 7 moves upwards, rack gear 7 drives square tube 3
Inner wall is moved upwards along the direction of sunpender 2, and when projector reaches required height, stop operating runner 11, in spring
Under 15 tension force effect, limited block 16 is moved downwardly into locating slot 12, is acted in limited block 16 and 12 frictional force of locating slot
Under, so that runner 11 not can rotate, projector will not then be moved downward, when needing adjusting height of projector, rotating wheel 11
?.
It can to sum up obtain, the utility model passes through setting drive bevel gear 10, driven wheel of differential 19, transmission gear 20 and rack gear
7, the height for solving most of projectors is higher, and needing to stand aloft adjusts the height of projector, to the tune of height of projector
Save problem of making troubles.
It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of bracket of optical instrument, including fixed plate (1), sunpender (2) and square tube (3), the sunpender (2) are fixedly connected
It is flexibly connected on the surface of the lower surface of fixed plate (1), the sunpender (2) with the inner wall of square tube (3), it is characterised in that: described
The lower surface of fixed plate (1) has been respectively fixedly connected with connecting rod (4) and support rod (5), the sunpender (2), connecting rod (4) and branch
Strut (5) is arranged successively from left to right, and the bottom of the square tube (3) is fixedly connected with mounting plate (6), and the square tube (3) is just
Face is fixedly connected with rack gear (7), and the inside of the support rod (5) offers cavity (8), and the bottom of cavity (8) inner wall is living
Dynamic to be inlaid with shaft (9), the surface fixing sleeve of the shaft (9) is connected to drive bevel gear (10), the drive bevel gear (10)
Positioned at the inside of cavity (8), the bottom of the shaft (9) is fixedly connected through cavity (8) and with the upper surface of runner (11), institute
The upper surface for stating runner (11) offers locating slot (12), and the bottom of the support rod (5) is fixedly connected with fixed link (13), institute
The right side that fixed link (13) is located at shaft (9) is stated, the lower surface of the fixed link (13) offers limit hole (14), the limit
The inside in hole (14) is connected with spring (15) and limited block (16) respectively, and the limited block (16) is plugged on locating slot (12)
Inside, the both ends of the spring (15) respectively with the top of limit hole (14) inner wall and the top of limited block (16) are fixed connects
It connecing, the inside of the connecting rod (4) is inlaid with bearing (17), and the inner wall of the bearing (17) is fixedly connected with transmission shaft (18),
The right end of the transmission shaft (18) is flexibly connected through cavity (8) and with the right side of cavity (8) inner wall, the transmission shaft (18)
Surface has been respectively fixedly connected with driven wheel of differential (19) and transmission gear (20), and the transmission gear (20) is engaged with rack gear (7),
The driven wheel of differential (19) is engaged with drive bevel gear (10).
2. a kind of bracket of optical instrument according to claim 1, it is characterised in that: the sunpender (2), connecting rod
(4) and support rod (5) is square bar, and sunpender (2) is T-shaped.
3. a kind of bracket of optical instrument according to claim 1, it is characterised in that: the quantity of the locating slot (12)
It is 16,16 locating slots (12) are distributed by array center's circular array of the center of circle of runner (11).
4. a kind of bracket of optical instrument according to claim 1, it is characterised in that: the bottom of the limited block (16)
Shape for curved surface, the locating slot (12) is adapted with the shape of limited block (16).
5. a kind of bracket of optical instrument according to claim 1, it is characterised in that: the shaft (9) and transmission shaft
(18) vertically, the lower surface of the fixed plate (1) is parallel with the upper surface of mounting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124698.8U CN208503857U (en) | 2018-07-17 | 2018-07-17 | A kind of bracket of optical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124698.8U CN208503857U (en) | 2018-07-17 | 2018-07-17 | A kind of bracket of optical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503857U true CN208503857U (en) | 2019-02-15 |
Family
ID=65289226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124698.8U Expired - Fee Related CN208503857U (en) | 2018-07-17 | 2018-07-17 | A kind of bracket of optical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143366A (en) * | 2022-07-27 | 2022-10-04 | 重庆几维科技有限公司 | Security protection equipment for intelligent building |
-
2018
- 2018-07-17 CN CN201821124698.8U patent/CN208503857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143366A (en) * | 2022-07-27 | 2022-10-04 | 重庆几维科技有限公司 | Security protection equipment for intelligent building |
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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: 20190215 Termination date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |