CN211344604U

CN211344604U - Fine adjustment tray of photographic foot rest

Info

Publication number: CN211344604U
Application number: CN201922167058.6U
Authority: CN
Inventors: 张春兰
Original assignee: Chengdu Mars Vision Digital Technology Co ltd
Current assignee: Chengdu Mars Vision Digital Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-25
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a fine setting tray of photographic foot rest, the fine setting tray is installed the top of foot rest, the fine setting tray includes frame, bearing frame, little awl tooth, transmission shaft, big awl tooth, bracket back shaft, adjustment handle and equipment bracket, the frame is both ends confined hollow cylinder, the one end of transmission shaft is equipped with adjustment handle, adjustment handle establishes the lateral surface of frame, the other end of transmission shaft is established on the bearing frame, be equipped with on the transmission shaft little awl tooth to axis coincidence between them, little awl tooth with big awl tooth meshing, and both axis are mutually perpendicular, big awl tooth is established the one end of bracket back shaft, be equipped with on the other end of bracket back shaft equipment bracket, equipment bracket establishes the outside of a frame terminal surface.

Description

Fine adjustment tray of photographic foot rest

Technical Field

The utility model relates to a photographic equipment, more specifically the utility model discloses mainly relate to a photographic foot rest's fine setting tray.

Background

The camera is used for shooting, not only is the exclusive vocabulary in the film and television industry at present, people with the camera are more and more, people who travel on many trips can take a photo and a memorial book, even a traveler who carries professional equipment is not lacked, for shooting, the framing is the operation of a little relatively in a professional, a scene, good framing angle and relatively poor framing angle, the shot photo can be a weather difference, in the framing process, a certain building or a certain plant often can be needed, the angle of the camera lens needs to be finely adjusted, the common adjusting mode is that the camera lens is manually pushed, however, the phenomenon that the camera lens is pushed over or is not in place is easily caused, and the time for adjusting the angle of the camera lens is prolonged.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a photographic foot rest's fine setting tray has the advantage of quick fine setting camera lens.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a pair of fine setting tray of photographic foot rest, the fine setting tray is installed the top of foot rest, the fine setting tray includes frame, bearing frame, little awl tooth, transmission shaft, big awl tooth, bracket back shaft, adjustment handle and equipment bracket, the frame is both ends confined hollow cylinder, the one end of transmission shaft is equipped with adjustment handle, adjustment handle establishes the lateral surface of frame, the other end of transmission shaft is established on the bearing frame, be equipped with on the transmission shaft little awl tooth to axis coincidence between them, little awl tooth with big awl tooth meshing, and both axis is mutually perpendicular, big awl tooth is established the one end of bracket back shaft, be equipped with on the other end of bracket back shaft equipment bracket, equipment bracket establishes the outside of a frame terminal surface.

Firstly, when debugging camera equipment such as a camera, the equipment is installed on an equipment bracket, the whole fine adjustment tray is rotated, the equipment can be quickly adjusted to a roughly required range, and small bevel teeth are driven by the small bevel teeth through rotating the adjusting handle to perform small angle adjustment.

Preferably, the transmission ratio of the large bevel gear to the small bevel gear is not lower than 3:1, and the axis of the large bevel gear is parallel to the height direction of the foot rest.

The transmission ratio of the large bevel gear to the small bevel gear is not less than 6:1, when the small bevel gear rotates for 360 degrees, the large bevel gear can only rotate for 60 degrees at most, when the transmission ratio is larger, the smaller the rotating angle of the large bevel gear when the small bevel gear rotates for one circle, the better the fine adjustment effect can be achieved.

Preferably, the fine tuning tray further comprises a bearing, an outer ring of the bearing is arranged on the bearing seat, and an inner ring of the bearing is provided with the transmission shaft.

Be equipped with the bearing between transmission shaft and the bearing frame, reduce the friction between transmission shaft and the bearing frame, reduce and rotate the required dynamics of adjustment handle to more convenient adjustment apparatus's angle.

Preferably, the outer frame is in a hollow cylindrical shape, one end of the outer frame is arranged on the foot rest, the bearing seat is arranged at the bottom of the inner side face of the outer frame, the equipment bracket is arranged on the outer side of the other end face of the outer frame, and the large bevel gear is arranged on the inner side of the equipment bracket.

Establish the frame into hollow cylinder shape, and both ends are sealed, and under the big awl tooth of the same size condition, it has littleer volume to be cylindrical to, it is more convenient when adjusting whole micromatic setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. firstly, when camera equipment such as a camera is debugged, the equipment is arranged on an equipment bracket, the whole fine adjustment tray is rotated, the equipment can be quickly adjusted to a roughly required range, the small bevel gear is utilized to drive the large bevel gear to perform small angle adjustment by rotating the adjusting handle, and the transmission ratio of the large bevel gear and the small bevel gear is large, so that the adjusting handle is greatly rotated, the camera equipment cannot greatly rotate, and the fine adjustment function is realized;

2. the transmission ratio of the large bevel gear to the small bevel gear is not less than 6:1, when the small bevel gear rotates for 360 degrees, the large bevel gear can only rotate for 60 degrees at most, when the transmission ratio is larger, the smaller the rotating angle of the large bevel gear when the small bevel gear rotates for one circle, the better the fine adjustment effect can be achieved;

3. a bearing is arranged between the transmission shaft and the bearing seat, so that the friction between the transmission shaft and the bearing seat is reduced, and the force required for rotating the adjusting handle is reduced, so that the angle of the equipment can be adjusted more conveniently;

4. establish the frame into hollow cylinder shape, and both ends are sealed, and under the big awl tooth of the same size condition, it has littleer volume to be cylindrical to, it is more convenient when adjusting whole micromatic setting.

Drawings

Fig. 1 is a schematic view of an internal structure of a fine adjustment tray of a tripod according to the present invention;

description of reference numerals:

1-bearing seat, 2-outer frame, 3-small bevel gear, 4-adjusting handle, 5-transmission shaft, 6-bearing, 7-large bevel gear, 8-equipment bracket, 9-bracket supporting shaft and 10-foot rest.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in figure 1, a fine adjustment tray of a photographic tripod comprises a tripod 10, the top end of the tripod 10 is provided with the fine adjustment tray, the fine adjustment tray comprises an outer frame 2, a bearing seat 1, a small bevel gear 3, a transmission shaft 5, a large bevel gear 7, a bracket supporting shaft 9, an adjusting handle 4 and an equipment bracket 8, the outer frame 2 is a hollow cylindrical structure, the bearing seat 1, the small bevel gear 3, the transmission shaft 5, the large bevel gear 7 and the bracket supporting shaft 9 are all arranged inside the outer frame 2, the bearing seat 1 is arranged on the bottom surface of the outer frame 2, one end of the transmission shaft 5 is arranged on the bearing seat 1, the other end of the transmission shaft 5 is fixedly provided with the adjusting handle 4, the adjusting handle 4 is arranged on the outer side surface of the outer frame 2, the transmission shaft 5 is also provided with the small bevel gear 3, the small bevel gear 3 is arranged between the adjusting handle 4 and the bearing seat 1, the axis of the small bevel, the axis of little awl tooth 3 and the axis mutually perpendicular of big awl tooth 7, big awl tooth 7 is installed in the one end of bracket back shaft 9, equipment bracket 8 is installed to the other end of bracket back shaft 9, equipment bracket 8 is established at the outside terminal surface of frame 2, through rotating adjustment handle 4, make little awl tooth 3 take place to rotate, little awl tooth 3 drives big awl tooth 7 and rotates, the turned angle of big awl tooth 7 is the same with the turned angle of equipment bracket 8, the transmission ratio between little awl tooth 3 and the big awl tooth 7 is big, adjustment handle 4 rotates a week, equipment bracket 8 pivoted angle is less, reach the purpose of fine setting through the transmission ratio like individual gear, when equipment needs big angle adjustment, can directly rotate whole fine setting tray and adjust, and is convenient and fast, utilize adjustment handle 4 to adjust, can be quick adjustment on the small-angle.

Example 2:

compared with the embodiment 1, the following scheme is also included:

in order to meet the requirements of more users, the transmission ratio of the large bevel gear 7 to the small bevel gear 3 is not less than 6:1, when the adjusting handle 4 rotates for one circle, the equipment bracket 8 rotates for 60 degrees along with the large bevel gear 7, generally, when the rotation angle is larger than 45 degrees, the angle of the fine adjustment tray is manually adjusted, the efficiency is higher, and meanwhile, the larger the transmission ratio is, the better the fine adjustment effect is.

Example 3:

compared with the embodiment 1, the following scheme is also included:

in order to reduce the resistance that rotation adjustment handle 4 receives, install bearing 6 on bearing frame 1, the outer lane of bearing 6 is installed on bearing frame 1, and inner circle fixed mounting can also restrict the axial displacement of transmission shaft 5 in the one end of transmission shaft 5, on the other hand, bearing 6 for the user is more convenient more light.

Example 4:

compared with the embodiment 3, the following scheme is also included:

under the unchangeable condition of 7 addendum circles diameters of big awl tooth, frame 2 establishes to the cylinder, and is littleer than establishing to the space that the polygon cylinder took, and equipment bracket 8 establishes at the up end of frame 2 to equipment bracket 8 and frame 2's axis and the coincidence of the focus of foot rest 10 guarantee the stable use of whole fine setting tray.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a photographic foot rest's fine setting tray, includes the foot rest, its characterized in that: the fine setting tray is installed the top of foot rest, the fine setting tray includes frame, bearing frame, little awl tooth, transmission shaft, big awl tooth, bracket back shaft, adjustment handle and equipment bracket, the frame is both ends confined hollow cylinder, the one end of transmission shaft is equipped with adjustment handle, adjustment handle establishes the lateral surface of frame, the other end of transmission shaft is established on the bearing frame, be equipped with on the transmission shaft little awl tooth to axis coincidence between them, little awl tooth with big awl tooth meshing, and both axes are mutually perpendicular, big awl tooth is established the one end of bracket back shaft, be equipped with on the other end of bracket back shaft equipment bracket, equipment bracket establishes the outside of frame a terminal surface.

2. A fine tuning tray for a tripod according to claim 1, wherein: the transmission ratio of the large bevel gear to the small bevel gear is not lower than 6:1, and the axis of the large bevel gear is parallel to the height direction of the foot rest.

3. A fine tuning tray for a tripod according to claim 1, wherein: the fine tuning tray further comprises a bearing, an outer ring of the bearing is arranged on the bearing seat, and the inner ring of the bearing is provided with the transmission shaft.

4. A fine tuning tray for a tripod according to claim 3, wherein: the outer frame is in a hollow cylindrical shape, one end of the outer frame is arranged on the foot stool, the bearing seat is arranged at the bottom of the inner side face of the outer frame, the equipment bracket is arranged on the outer side of the other end face of the outer frame, and the large bevel gear is arranged on the inner side of the equipment bracket.