CN212959690U - Flywheel assembly of photographic slide rail - Google Patents
Flywheel assembly of photographic slide rail Download PDFInfo
- Publication number
- CN212959690U CN212959690U CN202021010313.2U CN202021010313U CN212959690U CN 212959690 U CN212959690 U CN 212959690U CN 202021010313 U CN202021010313 U CN 202021010313U CN 212959690 U CN212959690 U CN 212959690U
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- CN
- China
- Prior art keywords
- slide rail
- flywheel
- belt pulley
- photographic slide
- belt
- 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 belongs to the technical field of the photography equipment technique and specifically relates to a flywheel assembly of photographic slide rail, which comprises a fixed base, the fixing base passes through fixed knot to be constructed and installs on the sliding platform of photographic slide rail, rotate on the fixing base and install the belt pulley and be no less than an inert wheel, the axis of inert wheel and belt pulley is parallel to each other, it has the drive belt to walk around jointly on inert wheel and the belt pulley, the both ends at photographic slide rail are fixed respectively at the both ends of drive belt, the tip of belt pulley is connected with coaxial flywheel with it through connection structure. The utility model discloses a flywheel assembly installs on the sliding platform of photographic slide rail, occupation space not.
Description
Technical Field
The utility model relates to a photography equipment field especially relates to a flywheel assembly of photographic slide rail.
Background
The photographic slide rail is the photographic auxiliary assembly of commonly used, and the gravity wheel device of current manual photographic slide rail generally sets up in the slide rail both ends top, and the flywheel adopts the belt to link to each other with slide rail sliding platform, for example patent number for one that CN201721082244.4 disclosed with shoot the shadow track, novel guide rail etc. of making a video recording that patent number CN201320578735.3 disclosed are this setting. When the sliding platform moves, the belt is driven, so that the flywheel is driven to rotate, and the problem of uneven sliding speed of the sliding rail is solved. However, when other devices are required to be installed at the two ends, the scheme is not applicable, for example, when the focus-chasing bars and the adjusting screws are required to be installed at the two ends in the middle, the original installation positions of the flywheel and the transmission structure are occupied.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flywheel assembly of photographic slide rail in order to solve the shortcoming that has inconvenient setting among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a flywheel assembly of photographic slide rail, includes the fixing base, the fixing base passes through fixed knot to be constructed and installs on the sliding platform of photographic slide rail, rotate on the fixing base and install the belt pulley and be no less than an inert wheel, the axis of inert wheel and belt pulley is parallel to each other, it has walked around the drive belt jointly on inert wheel and the belt pulley, the both ends of drive belt are fixed respectively at the both ends of photographic slide rail, the tip of belt pulley is connected with coaxial flywheel with it through connection structure.
Preferably, the fixed structure comprises a fixed plate which is fixedly connected with the fixed seat in a vertical manner, second mounting holes are formed in two ends of the fixed plate, and the second mounting holes are fixedly connected with the sliding platform of the photographing slide rail through connecting bolts.
Preferably, the belt pulley is a synchronous belt pulley, and the transmission belt is a synchronous belt.
Preferably, the connecting structure comprises a middle shaft, one end of the middle shaft is coaxially connected with the middle part of the flywheel, and the other end of the middle shaft penetrates through the middle part of the belt pulley and then is connected with a second connecting screw.
Preferably, the positive middle part of fixing base is equipped with first mounting hole, the back of fixing base is equipped with the mounting groove, mounting groove and first mounting hole intercommunication, the card is gone into in the mounting groove has the bearing, there is the bearing cap at the back of fixing base through the bolt fastening, the bearing cap covers on mounting groove upper portion, the axis passes the middle part of bearing cap and the inner circle of bearing, in epaxial one section boss that is equipped with, the boss supports the surface of bearing, the tip that supports the bearing after the first mounting hole is passed to the one end of belt pulley.
Preferably, the upper end of the middle shaft is provided with a non-circular connecting block, the connecting block is inserted into a connecting groove which is arranged on the end face of one end of the flywheel and is matched with the connecting block in shape, a first connecting screw is inserted into the end face of the other end of the flywheel, and the first connecting screw penetrates through the flywheel and is in threaded connection with a threaded hole arranged at the end part of the connecting block.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model is used for cooperate the photographic slide rail to use, install the sliding platform of slide rail with the fixing base through the screw on, walk around the belt pulley after the inert wheel with the drive belt for the drive belt can stably drive the belt pulley rotatory. And then the two ends of the transmission belt are respectively fixed at the two ends of the sliding rail. When the sliding platform of the sliding rail is pushed, the transmission belt is fixed, the transmission belt drives the belt pulley to rotate, the belt pulley drives the flywheel to rotate, the flywheel generates centrifugal inertia, and when the pushing force is not uniform, the inertia generated by the flywheel can enable the sliding platform to keep uniform movement.
Drawings
FIG. 1 is an exploded view of the components of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken along A-A in FIG. 2;
fig. 4 is a bottom view of the present invention.
In the figure: the flywheel comprises a flywheel 1, a first connecting screw 2, a connecting groove 3, a bearing cover 4, a first mounting hole 5, a belt pulley 6, an inert wheel 7, a second connecting screw 8, a fixing plate 9, a second mounting hole 10, a fixing seat 11, a bearing 12, a middle shaft 13, a connecting block 14, a boss 15, a mounting groove 16 and a transmission belt 17.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The flywheel assembly of the photographic slide rail shown in fig. 1-4 comprises a fixed seat 11, the fixed seat 11 is mounted on a sliding platform of the photographic slide rail through a fixed structure, a belt pulley 6 and at least one inert wheel 7 are rotatably mounted on the fixed seat 11, the central axes of the inert wheel 7 and the belt pulley 6 are parallel to each other, a transmission belt 17 is wound on the inert wheel 7 and the belt pulley 6 together, two ends of the transmission belt 17 are respectively fixed at two ends of the photographic slide rail, and the end of the belt pulley 6 is connected with a flywheel 1 which is coaxial with the belt pulley through a connecting structure.
The two sets of preferred setting of inertia wheel 7 are, and divide the both sides of arranging belt pulley 6, drive belt 17 is through after inertia wheel 7 again around belt pulley 6 surface like this, again around the surface of another inertia wheel 7, be the installation of journey omega type, can keep the inseparable laminating between belt pulley 6, when promoting the platform that slides of slide rail, because the both ends of drive belt 17 are fixed respectively, drive belt 17 drives belt pulley 6 rotatory, belt pulley 6 drives flywheel 1 rotatory again, make flywheel 1 produce centrifugal inertia, when the hand push dynamics is inhomogeneous, the inertia that flywheel 1 produced can make the platform that slides keep even removal.
The fixing structure comprises a fixing plate 9 which is vertically and fixedly connected with a fixing seat 11, second mounting holes 10 are formed in two ends of the fixing plate 9, and the second mounting holes 10 are fixedly connected with a sliding platform of the photographing slide rail through connecting bolts. The belt pulley 6 is a synchronous belt pulley, and the transmission belt 17 is a synchronous belt. With this arrangement, the pulley 6 can be prevented from slipping.
The connecting structure comprises a middle shaft 13, one end of the middle shaft 13 is coaxially connected with the middle part of the flywheel 1, and the other end of the middle shaft 13 penetrates through the middle part of the belt pulley 6 and then is connected with a second connecting screw 8. The front middle part of fixing base 11 is equipped with first mounting hole 5, the back of fixing base 11 is equipped with mounting groove 16, mounting groove 16 and 5 intercommunications of first mounting hole, bearing 12 has been gone into to the card in the mounting groove 16, there is bearing cap 4 at the back of fixing base 11 through the bolt fastening, bearing cap 4 covers on mounting groove 16 upper portion, axis 13 passes the middle part of bearing cap 4 and the inner circle of bearing 12, be equipped with one section boss 15 in the axis 13, boss 15 supports the surface of bearing 12, the tip that supports bearing 12 after first mounting hole 5 is passed to the one end of belt pulley 6. The middle shaft 13 plays a connecting role, the middle shaft 13 and the belt pulley 6 can be separated by disassembling the second connecting screw 8, and the boss 15 plays a limiting role.
The upper end of the middle shaft 13 is provided with a non-circular connecting block 14, the connecting block 14 is inserted into a connecting groove 3 which is arranged on the end face of one end of the flywheel 1 and is matched with the connecting block in shape, a first connecting screw 2 is inserted into the end face of the other end of the flywheel 1, and the first connecting screw 2 penetrates through the flywheel 1 and then is in threaded connection with a threaded hole arranged at the end part of the connecting block 14. The first connecting screw 2 serves to connect the middle shaft 16 and the flywheel 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a flywheel assembly of photographic slide rail, includes fixing base (11), its characterized in that, fixing base (11) are installed on the sliding platform of photographic slide rail through fixed knot structure, rotate on fixing base (11) and install belt pulley (6) and be no less than an inert wheel (7), the axis of inert wheel (7) and belt pulley (6) is parallel to each other, it has drive belt (17) to walk around jointly on inert wheel (7) and belt pulley (6), the both ends at photographic slide rail are fixed respectively at the both ends of drive belt (17), the tip of belt pulley (6) is connected with coaxial flywheel (1) with it through connection structure.
2. The flywheel assembly of a photographic slide rail according to claim 1, wherein the fixing structure comprises a fixing plate (9) vertically and fixedly connected with a fixing seat (11), two ends of the fixing plate (9) are provided with second mounting holes (10), and the second mounting holes (10) are fixedly connected with a sliding platform of the photographic slide rail through connecting bolts.
3. The flywheel assembly of a photographic slide rail according to claim 1, characterized in that the pulley (6) is a synchronous pulley and the transmission belt (17) is a synchronous belt.
4. The flywheel assembly of the photographic slide rail according to claim 1, wherein the connecting structure comprises a middle shaft (13), one end of the middle shaft (13) is coaxially connected with the middle part of the flywheel (1), and the other end of the middle shaft (13) penetrates through the middle part of the belt pulley (6) and is connected with a second connecting screw (8).
5. The flywheel assembly of a photographic slide rail according to claim 4, wherein the front middle part of the fixing seat (11) is provided with a first mounting hole (5), the back of the fixing seat (11) is provided with a mounting groove (16), the mounting groove (16) is communicated with the first mounting hole (5), the bearing (12) is clamped in the mounting groove (16), the back of the fixing seat (11) is fixed with the bearing cover (4) through a bolt, the bearing cover (4) covers the upper part of the mounting groove (16), the middle part of the bearing cover (4) and the inner ring of the bearing (12) are passed through the middle shaft (13), the middle shaft (13) is provided with a section of boss (15), the boss (15) supports the surface of the bearing (12), and one end of the belt pulley (6) supports the end part of the bearing (12) after passing through the first mounting hole (5).
6. The flywheel assembly of the photographic slide rail according to claim 4, characterized in that the upper end of the middle shaft (13) is provided with a non-circular connecting block (14), the connecting block (14) is inserted into a connecting groove (3) which is arranged on the end surface of one end of the flywheel (1) and is matched with the connecting block in shape, a first connecting screw (2) is inserted into the end surface of the other end of the flywheel (1), and the first connecting screw (2) penetrates through the flywheel (1) and is in threaded connection with a threaded hole arranged at the end of the connecting block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010313.2U CN212959690U (en) | 2020-06-05 | 2020-06-05 | Flywheel assembly of photographic slide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010313.2U CN212959690U (en) | 2020-06-05 | 2020-06-05 | Flywheel assembly of photographic slide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959690U true CN212959690U (en) | 2021-04-13 |
Family
ID=75384768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021010313.2U Expired - Fee Related CN212959690U (en) | 2020-06-05 | 2020-06-05 | Flywheel assembly of photographic slide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959690U (en) |
-
2020
- 2020-06-05 CN CN202021010313.2U patent/CN212959690U/en not_active Expired - Fee Related
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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: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |