CN219300354U

CN219300354U - Photographic rocking arm rotates auto-lock protective structure

Info

Publication number: CN219300354U
Application number: CN202320771241.0U
Authority: CN
Inventors: 徐宁; 王立中
Original assignee: Shanxi Technology and Business College
Current assignee: Shanxi Technology and Business College
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-04
Anticipated expiration: 2033-04-10

Abstract

The utility model belongs to the field of photographic equipment, and particularly relates to a photographic rocker arm rotation self-locking protection structure. The photographic rocker arm rotation self-locking protection structure comprises a mounting shell, wherein a rotation shaft in rotation connection is mounted in the mounting shell, and a rotation gear is fixedly sleeved on the rotation shaft in the mounting shell; the rotating shaft is provided with a self-locking component. According to the photographic rocker arm rotation self-locking protection structure provided by the utility model, the motor in the rotating shaft is started to drive the screw rod to rotate, and the mounting disc is in threaded connection with the screw rod and has the limitation of the rotating shaft, so that the mounting disc can slide downwards, and the limiting rod in the sleeve can be inserted into the prefabricated corresponding limiting hole, so that the U-shaped frame is locked, and the rotating gear is in meshed connection with the inner gear ring and the linkage gear, so that the stability of the rotating shaft during rotation is improved, and the mechanical sense of the rotating shaft during rotation is enhanced.

Description

Photographic rocking arm rotates auto-lock protective structure

Technical Field

The utility model belongs to the field of photographic auxiliary equipment, and particularly relates to a photographic rocker arm rotation self-locking protection structure.

Background

With the rapid development of modern media technologies, people pursue higher and higher visual effects of photographic pictures, and the demands for photographic auxiliary equipment are rapidly increasing. At present, many short video photographers use small rocker arm cameras, and the function of the small rocker arm of the camera is to provide a free working platform with zero gravity for the photographer in a simple operation mode so as to realize point-to-point displacement in space.

However, since many short video photographers are not professionals, the swing arm cannot be well controlled to swing up and down after the camera is held, and since the swing arm is spaced apart from the stand point by a certain distance, the problem of swing arm side rotation tends to occur when the camera swings up and down. Therefore, it is needed to develop a novel rotation self-locking protection structure for a photographic swing arm to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a rotation self-locking protection structure of a photographic rocker arm.

The utility model provides a photographic rocker arm rotation self-locking protection structure which comprises a mounting shell, wherein a rotation shaft in rotation connection is arranged in the mounting shell, and a rotation gear is fixedly sleeved on the rotation shaft in the mounting shell;

the automatic locking device is characterized in that a self-locking assembly is arranged on the rotating shaft and comprises a screw rod, the screw rod is rotatably arranged in an annular groove formed in the rotating shaft and is arranged in parallel with the rotating shaft, one end of the screw rod is fixedly connected with the output end of a motor embedded in the rotating shaft, a mounting disc is arranged on the screw rod, and a plurality of limiting rods distributed in an annular mode are arranged at the bottom of the mounting disc.

Preferably, the mounting plate is sleeved on the shaft section of the annular groove part of the rotating shaft through a through cavity formed in the plate center, and a threaded through hole formed in the mounting plate is sleeved on the screw rod and is in threaded connection with the screw rod.

Preferably, the bottom of the mounting plate is fixedly provided with a plurality of annularly distributed sleeves, each sleeve is internally inserted with a limit rod in sliding connection, and the inserted end of each limit rod is elastically connected with the inner top wall of the sleeve through a spring.

Preferably, a circle of annular grooves are formed in the wheel surface, corresponding to the rotating gear and the limiting rod, and a plurality of limiting holes which are distributed in an annular mode are formed in the annular grooves.

Preferably, the bottom of the limiting rod is hemispherical.

Preferably, an inner gear ring in rotary connection is installed on the inner ring wall of the installation shell, and a pair of linkage gears in annular distribution and rotary connection are installed in the installation shell in front of the inner gear ring and the rotary gears, and the linkage gears are respectively in meshed connection with the rotary gears and the inner gear ring.

Preferably, a fixing seat is fixedly arranged at the bottom of the installation shell.

Preferably, the top of the rotating shaft extends out of the mounting shell and is fixedly provided with a U-shaped frame.

Preferably, a protective cover which is connected with the U-shaped frame in a rotating way is arranged between the installation shell and the U-shaped frame.

Compared with the related art, the utility model has the following beneficial effects:

when the photographic rocker arm is rotated to the left and right directions, the motor in the rotating shaft is started to drive the screw rod to rotate, and the mounting disc is in threaded connection with the screw rod and limited by the rotating shaft, so that the mounting disc can slide downwards, the limiting rod in the sleeve can be inserted into the prefabricated corresponding limiting hole, thereby locking the U-shaped frame, and the inner gear ring and the linkage gear are arranged, so that when the photographic rocker arm is rotated to the left and right directions, the rotating gear is in meshed connection with the inner gear ring and the linkage gear, on one hand, the stability of the rotating shaft during rotation is improved, and on the other hand, the mechanical sense of the rotating shaft during rotation is also enhanced.

Drawings

FIG. 1 is a schematic view of a rotary self-locking protective structure for a camera arm according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the structure within the mounting housing of FIG. 1;

FIG. 3 is a schematic view of a partially enlarged construction within the mounting housing of FIG. 2;

FIG. 4 is a schematic view of the structure of the mounting plate of the self-locking assembly of FIG. 2.

Reference numerals in the drawings: 1. a mounting shell; 2. a fixing seat; 3. a rotating shaft; 3a, an annular groove; 4. rotating the gear; 4a, an annular groove; 4b, limiting holes; 5. a self-locking assembly; 51. a screw rod; 52. a mounting plate; 52a, through cavity; 52b, threaded through holes; 53. a sleeve; 54. a limit rod; 55. a spring; 6. an inner gear ring; 61. a linkage gear; 7. a U-shaped frame; 8. and a protective cover.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 4, a rotation self-locking protection structure for a photographic swing arm according to an embodiment of the present utility model includes: a mounting shell 1, a rotating shaft 3, a rotating gear 4 and a self-locking assembly 5.

In the embodiment of the present utility model, referring to fig. 1, a fixing seat 2 is fixedly installed at the bottom of the installation housing 1, a rotating shaft 3 rotatably connected is installed in the installation housing 1, and a U-shaped frame 7 is fixedly installed at the top of the rotating shaft 3 extending out of the installation housing 1.

It should be noted that: the fixing seat 2 is used for fixing the installation shell 1 on the tripod, the photographing rocker is rotatably installed on a rotating connecting shaft on the U-shaped frame 7, the photographing rocker can swing left and right through the arranged rotating shaft 3, and the photographing rocker can swing up and down through the rotating connecting shaft on the U-shaped frame 7.

In the embodiment of the present utility model, referring to fig. 3 and 4, a rotating gear 4 is fixedly sleeved on a rotating shaft 3 in a mounting housing 2, a self-locking assembly 5 is disposed on the rotating shaft 3, the self-locking assembly 5 includes a screw rod 51, the screw rod 51 is rotatably mounted in an annular groove 4a formed in the rotating shaft 3 and is parallel to the rotating shaft 3, one end of the screw rod 51 is fixedly connected with an output end of a motor embedded in the rotating shaft 3, a mounting disc 52 is mounted on the screw rod 51, a plurality of annularly distributed limit rods 54 are disposed at the bottom of the mounting disc 52, the mounting disc 52 is sleeved on a shaft section of the annular groove 4a formed in the rotating shaft 3 through a through cavity 52a formed in a disc center, a threaded through hole 52b formed in the mounting disc 52 is sleeved on the screw rod 51 and is in threaded connection with the screw rod 51, a plurality of annularly distributed sleeves 53 are fixedly mounted at the bottom of the mounting disc 52, a limit rod 54 in sliding connection is inserted into each sleeve 53, and an insertion end of the limit rod 54 is elastically connected with an inner top wall 53 through a spring 55;

a circle of annular groove 3a is formed in the wheel surface of the rotary gear 4 corresponding to the limiting rod 54, and a plurality of limiting holes 4b distributed in an annular mode are formed in the annular groove 3 a.

It should be noted that: when the photographing rocker arm is required to be fixed in the left-right direction after rotating, a motor in the rotating shaft 3 is started to drive the screw rod 51 to rotate, and the mounting disc 52 can slide downwards due to the fact that the mounting disc 52 is in threaded connection with the screw rod 51 and the limitation of the rotating shaft 3 is arranged, so that a limiting rod 54 in the sleeve 53 can be inserted into a corresponding pre-manufactured limiting hole 4b, and the U-shaped frame 7 is locked;

if the spacing rod 54 and the mounting plate 52 between the adjacent spacing holes 4b are arranged, the spring 55 is pressed in the spacing rod 54 and retracted into the sleeve 53, and the spacing rod 54 can be inserted into the adjacent spacing hole 4b after the follow-up micro-rotation of the photographic rocker arm;

in order to improve the convenience of controlling the motor, the motor switch can be arranged on the camera erected on the shooting rocker arm, so that the control can be performed during shooting.

The bottom of the limiting rod 54 is hemispherical, so that the limiting rod 54 can conveniently slide into the adjacent limiting hole 4b along the annular groove 3 a.

In the embodiment of the present utility model, referring to fig. 2 and 3, an inner ring gear 6 is rotatably mounted on the inner ring wall of the mounting housing 1, and a pair of linkage gears 61 which are annularly distributed and rotatably connected are mounted in the mounting housing 1 before the inner ring gear 6 and the rotation gear 4, and the linkage gears 61 are respectively meshed with the rotation gear 4 and the inner ring gear 6.

It should be noted that: the inner gear ring 6 and the linkage gear 61 are arranged, so that when the photographing rocker arm rotates left and right, the rotation gear 4 is meshed with the inner gear ring 6 and the linkage gear 61, so that on one hand, the stability of the rotation shaft 3 during rotation is improved, and on the other hand, the mechanical sense of the rotation shaft 3 during rotation is also enhanced.

Wherein, install the protection casing 8 of rotation connection between installation casing 1 and the U type frame 7, can effectively protect the part in the installation casing 1.

The working principle of the photographic rocker arm rotation self-locking protection structure provided by the utility model is as follows:

when the photographing rocker arm is required to be fixed in the left-right direction after rotating, a motor in the rotating shaft 3 is started to drive the screw rod 51 to rotate, and the mounting disc 52 can slide downwards due to the fact that the mounting disc 52 is in threaded connection with the screw rod 51 and the limitation of the rotating shaft 3 is arranged, so that a limiting rod 54 in the sleeve 53 can be inserted into a corresponding pre-manufactured limiting hole 4b, and the U-shaped frame 7 is locked;

the inner gear ring 6 and the linkage gear 61 are arranged, so that when the photographing rocker arm rotates left and right, the rotation gear 4 is meshed with the inner gear ring 6 and the linkage gear 61, thereby improving the stability of the rotation shaft 3 during rotation and enhancing the mechanical sense of the rotation shaft 3 during rotation.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The rotary self-locking protection structure of the photographic rocker arm is characterized by comprising a mounting shell (1), wherein a rotary shaft (3) in rotary connection is mounted in the mounting shell (1), and a rotary gear (4) is fixedly sleeved on the rotary shaft (3) in the mounting shell (1);

be provided with on axis of rotation (3) auto-lock subassembly (5), auto-lock subassembly (5) include lead screw (51), lead screw (51) rotate install in ring channel A (4 a) that axis of rotation (3) were seted up and with axis of rotation (3) parallel arrangement, just the one end and the motor output fixed connection of embedded in axis of rotation (3) of lead screw (51), install mounting disc (52) on lead screw (51), just mounting disc (52) bottom is provided with many annular distribution's gag lever post (54).

2. The photographic rocker arm rotation self-locking protection structure according to claim 1, wherein the mounting plate (52) is sleeved on a shaft section of the rotary shaft (3) provided with the annular groove A (4 a) through a through cavity (52 a) formed in a plate center, and a threaded through hole (52 b) formed in the mounting plate (52) is sleeved on the screw rod (51) and is in threaded connection with the screw rod (51).

3. The photographic rocker arm rotation self-locking protection structure according to claim 2, wherein a plurality of annularly distributed sleeves (53) are fixedly arranged at the bottom of the mounting plate (52), a limit rod (54) in sliding connection is inserted into each sleeve (53), and the insertion end of the limit rod (54) is elastically connected with the inner top wall of the sleeve (53) through a spring (55).

4. The photographic rocker arm rotation self-locking protection structure according to claim 3, wherein a circle of annular grooves B (3 a) are formed in a wheel surface of the rotary gear (4) corresponding to the limiting rod (54), and a plurality of limiting holes (4B) which are distributed in an annular mode are formed in the annular grooves B (3 a).

5. The photographic rocker arm rotation self-locking protection structure according to claim 4, wherein the bottom of the limit rod (54) is hemispherical.

6. The photographic rocker arm rotation self-locking protection structure according to claim 1, characterized in that an inner ring gear (6) in rotation connection is installed on the inner ring wall of the installation shell (1), and a linkage gear (61) in opposite annular distribution and rotation connection is installed in the installation shell (1) in front of the inner ring gear (6) and the rotation gear (4), and the linkage gear (61) is respectively in meshed connection with the rotation gear (4) and the inner ring gear (6).

7. The photographic rocker arm rotation self-locking protection structure according to claim 1, wherein a fixing seat (2) is fixedly arranged at the bottom of the installation shell (1).

8. The photographic rocker arm rotation self-locking protection structure according to claim 1, wherein the top of the rotation shaft (3) extends out of the installation shell (1) and is fixedly provided with a U-shaped frame (7).

9. The photographic rocker arm rotation self-locking protection structure according to claim 8, wherein a protection cover (8) which is in rotation connection is arranged between the installation shell (1) and the U-shaped frame (7).