Movable shooting support allowing linear motion

Abstract

The utility model relates to the technical field of mobile shooting supports, in particular to a mobile shooting support allowing linear motion, which comprises a middle column, a middle connecting part, a first supporting leg, a second supporting leg, a third supporting leg, a first steering wheel, a second steering wheel, a third steering wheel, a connecting rod and a connecting piece, the middle column is sleeved with the middle connecting part, the first supporting leg, the second supporting leg and the third supporting leg are hinged to the middle connecting part, the two ends of the connecting rod are detachably connected to the second steering wheel and the third steering wheel respectively, and the two ends of the connecting piece are detachably connected to the middle column and the first steering wheel respectively. And the limiting groove is used for carrying out swing limiting on the first steering wheel. The movable shooting support allowing linear motion aims at solving the problem that when an existing movable shooting support walks linearly, the precision control difficulty is large.

Description

A mobile shooting rig that allows linear motion Technical Field

[0001] This utility model relates to the field of mobile shooting bracket technology, specifically to a mobile shooting bracket that allows linear movement. Background Technology

[0002] Currently, with the rise of short videos and live streaming, the requirements for video shooting are becoming increasingly demanding. While swivel-wheel mounts offer convenience for shooting moving shots, certain shooting scenarios require the equipment (mainly cameras, mobile phones, and tablets) to move in a straight line. Laying tracks is obviously cumbersome, and current mounts with only swivel wheels cannot achieve precise straight-line movement. Installing independent limiters on each swivel wheel requires different limit structures for different wheels, and the installation of different wheels requires specifying corresponding support legs. Furthermore, such independent limit structures can easily cause the mount to deflect during straight-line movement.

[0003] Therefore, the inventors have provided a movable shooting stand that allows linear motion. Summary of the Invention

[0004] (1) Technical problems to be solved

[0005] This utility model provides a mobile shooting bracket that allows linear movement, solving the technical problem of high precision control when the current mobile shooting bracket moves in a straight line, while ensuring that it can be easily switched between a linear movement path and a free movement path.

[0006] (2) Technical solution

[0007] This utility model provides a movable shooting bracket that allows linear movement, including a central column, a central connecting part, a first support leg, a second support leg, a third support leg, a first steering wheel, a second steering wheel, a third steering wheel, a connecting rod, and a connecting member. The upper end face of the central column is used to mount the camera. The central connecting part is sleeved on the central column. The first, second, and third support legs are all hinged to the central connecting part. The first, second, and third steering wheels are respectively mounted on the bottom of the corresponding first, second, and third support legs.

[0008] The two ends of the connecting rod are respectively detachably connected to the second steering wheel and the third steering wheel. One end of the connecting member is detachably connected to the center column. The other end of the connecting member is provided with the limiting groove. The first steering wheel is accommodated in the limiting groove, and the limiting groove is used to limit the swing of the first steering wheel.

[0009] Furthermore, both the second steering wheel and the third steering wheel are hollow structures, and the two ends of the connecting rod are respectively inserted into the second steering wheel and the third steering wheel.

[0010] Furthermore, the connecting rod is provided with threads and end caps at both ends.

[0011] Furthermore, the central column is a telescopic column, comprising an outer column and an inner column that are nested and connected to each other.

[0012] Furthermore, one end of the connector is provided with a mounting hole, and the lower end of the central column is installed in the mounting hole.

[0013] Furthermore, the circumferential outer wall of the connector is provided with a dovetail guide rail.

[0014] Furthermore, the upper end of the central column has a camera mounting base.

[0015] Furthermore, the first steering wheel, the second steering wheel, and the third steering wheel are respectively detached and installed at the bottom of the corresponding first support leg, the second support leg, and the third support leg.

[0016] Furthermore, the mobile shooting bracket also includes a limiting member, which is installed at the bottom end of the central column and is used to vertically limit the connecting member.

[0017] Furthermore, the limiting member includes a body and limiting bosses distributed circumferentially along the body. The body is inserted into the inner cavity of the central column, and the limiting bosses are attached to the lower end face of the central column and their outer diameter is larger than the diameter of the mounting hole.

[0018] (3) Beneficial effects

[0019] In summary, this invention uses a connecting rod to synchronously connect the two support legs, and a connector to connect the central column to the other support leg to ensure synchronized movement. This ensures that the first, second, and third steering wheels do not wobble during movement, allowing the shooting equipment bracket to move in a straight line, enabling the shooting equipment mounted on it to shoot video in a straight line for specific scenes. Furthermore, disassembling and installing the connecting rod or connector does not require disassembling or installing any wheel first, making it easier to switch between free movement and linear movement for the mobile shooting bracket. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 is a schematic diagram of the structure of an existing mobile shooting rig;

[0022] Figure 2 is a structural elevation view of a movable shooting bracket that allows linear motion according to an embodiment of the present invention;

[0023] Figure 3 is a top view of the structure of a movable shooting bracket that allows linear motion according to an embodiment of the present invention;

[0024] Figure 4 is a schematic diagram of the connecting rod of a movable shooting bracket that allows linear motion according to an embodiment of the present invention;

[0025] Figure 5 is a structural schematic diagram of a connecting member of a movable shooting bracket that allows linear motion, provided in an embodiment of this utility model.

[0026] In the picture:

[0027] 1-Center column; 2-Intermediate connecting part; 31-First support leg; 32-Second support leg; 33-Third support leg; 41-First steering wheel; 42-Second steering wheel; 43-Third steering wheel; 5-Connecting rod; 501-Main rod; 502-First support rod; 503-Second support rod; 6-Connecting piece; 601-Limiting groove; 602-Mounting hole; 603-Dovetail guide rail; 7-Camera mounting base; 8-Limiting piece. Detailed Implementation

[0028] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are used to exemplarily illustrate the principle of this utility model, but should not be used to limit the scope of this utility model. That is, this utility model is not limited to the described embodiments, and covers any modifications, substitutions and improvements to the parts, components and connection methods without departing from the spirit of this utility model.

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "install" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Figure 2 is a structural schematic diagram of a mobile shooting bracket that allows linear motion according to an embodiment of the present invention. Referring to Figure 2, the mobile shooting device bracket may include a central column 1, a middle connecting part 2, a first support leg 31, a second support leg 32, a third support leg 33, a first steering wheel 41, a second steering wheel 42, a third steering wheel 43, a connecting rod 5, and a connecting piece 6. The upper end face of the central column 1 is used to mount the camera. The middle connecting part 2 is sleeved on the central column 1. The first support leg 31, the second support leg 32, and the third support leg 33 are all hinged to the middle connecting part 2. The first steering wheel 41, the second steering wheel 42, and the third steering wheel 43 are respectively installed at the bottom of the corresponding first support leg 31, the second support leg 32, and the third support leg 33. The two ends of the connecting rod 5 are detached and connected to the second steering wheel 42 and the third steering wheel 43 respectively. One end of the connecting piece 6 is detached and connected to the center column 1. The other end of the connecting piece 6 is provided with a limiting groove 601. The first steering wheel 41 is accommodated in the limiting groove 601, and the limiting groove 601 is used to limit the swing of the first steering wheel 41.

[0033] In the above embodiment, the connecting rod 5 applies a concentric constraint to the second steering wheel 42 and the third steering wheel 43. This constraint, together with the existing geometric constraints between the second steering wheel 42, the third steering wheel 43 and the corresponding second support leg 32, and the third support leg 33, completely fixes the position and angle of the second steering wheel 42 and the third steering wheel 43, preventing the second steering wheel 42 and the third steering wheel 43 from swaying during the movement of the mobile shooting bracket. At the same time, the connecting piece 6 connects the central column 1 to the first steering wheel 41, which is the first steering wheel. 41. An additional directional constraint is added through the center point of the central column. This constraint, together with the geometric constraint of the first steering wheel 41 through the connecting axis of the first support leg 31, ensures that the position and angle of the first steering wheel 41 are completely fixed during the movement. Furthermore, due to the geometric constraint that the included angles between the three support legs (i.e., the first support leg 31, the second support leg 32, and the third support leg 33) are equal, the three wheels (i.e., the first steering wheel 41, the second steering wheel 42, and the third steering wheel 43) must be facing the same direction, thus fulfilling the requirement for the shooting device to move in a straight line.

[0034] In addition, the central column 1 is a telescopic column, including an outer column and an inner column that are nested together. Both the outer column and the inner column are preferably cylindrical. The outer column is fitted onto the inner column, and the two can move relative to each other axially. The detachable connection of the connecting rod 5 and the connecting piece 6 allows the mobile shooting bracket to simultaneously have both linear motion and traditional non-linear motion functions. Without changing the traditional mobile shooting bracket (as shown in Figure 1), the shooting device can move in a straight line by adding the detachable connecting rod 5 and the connecting piece 6.

[0035] More importantly, the connector 6 can also be installed by detaching and connecting both ends to the first steering wheel 41 and the connecting rod 5 respectively. However, compared to the connection with the center column 1, this connection method would result in a longer connector 6, leading to increased volume and weight. Furthermore, since the connector 6 is not fixedly connected to the first steering wheel 41, relying solely on the connection at the connecting rod 5 would create an excessively long cantilever. Since the contact surface between the connecting rod 5 and the connector 6 is cylindrical, rotation is easily generated. Conversely, if the connector 6 is fixedly connected to the first steering wheel 41, it would increase the difficulty of system installation. Therefore, considering all these factors, the preferred method in this application is for one end of the connector 6 to be detachably connected to the center column 1, rather than the connecting rod 5.

[0036] Since the intermediate connecting part 2 is a conventional component, its specific structure will not be described in detail. Generally, the intermediate connecting part 2 is movably sleeved on the central column 1 and has a self-locking function to adjust the axial length of the telescopic central column 1.

[0037] As an optional implementation, as shown in Figures 2-3, both the second steering wheel 42 and the third steering wheel 43 are hollow structures, with the two ends of the connecting rod 5 inserted into the second steering wheel 42 and the third steering wheel 43 respectively. The specific connection method between the connecting rod 5 and the second steering wheel 42 and the third steering wheel 43 is given above, the purpose of which is to ensure that the second steering wheel 42 and the third steering wheel 43 do not wobble during rolling.

[0038] As an optional implementation, the hollow inner walls of the second steering wheel 42 and the third steering wheel 43 are provided with internal threads (not shown in the figure), and both ends of the connecting rod 5 are provided with external threads adapted to the internal threads. This embodiment provides a specific method for the connecting rod 5 to be detachably connected to the second steering wheel 42 and the third steering wheel 43. It should be noted that the detachable connection method includes, but is not limited to, threaded connection, which will not be elaborated here.

[0039] In a specific application scenario, as shown in Figure 4, the connecting rod 5 includes a main rod 501 and a first support rod 502 and a second support rod 503 respectively threaded to both ends of the main rod 501, and the distance between the first support rod 502 and the second support rod 503 is adjustable. When the connecting rod 5 is a single rod, the length of the connecting rod 5 must be greater than the fixed distance between the second steering wheel 42 and the third steering wheel 43 during installation and disassembly, making installation and disassembly inconvenient and laborious. Therefore, a split-type structural design is adopted. First, the first support rod 502 is inserted into the corresponding second steering wheel 42 / third steering wheel 43. Then, by adjusting the relative distance between the first support rod 502 and the second support rod 503 via threads, the second support rod 503 is inserted into the corresponding second steering wheel 42 / third steering wheel 43, thus allowing for quick and precise installation and disassembly of the connecting rod 5 to the second steering wheel 42 and the third steering wheel 43.

[0040] As an optional implementation, as shown in Figure 5, the other end of the connector 6 is provided with a mounting hole 602, and the lower end of the central column 1 is installed in the mounting hole 602. This embodiment provides a specific method for detachable connection between the connector 6 and the central column 1. It should be noted that the detachable connection method includes, but is not limited to, slot connection, which will not be elaborated here. As shown in Figure 5, the circumferential outer wall of the connector 6 is provided with a dovetail guide rail 603. The dovetail guide rail 603 can satisfy the multi-functionality of the connector 6. When straight-line movement is not required, the connector 6 can be detached and installed at the end of the central column 1 as a mounting base for shooting equipment. Its length allows it to install two shooting devices at the same time to realize 3D shooting.

[0041] As an optional implementation, as shown in Figure 1, the mobile shooting bracket also includes a limiting member 8. The limiting member 8 is installed at the bottom end of the central column 1 and is used to vertically limit the connecting member 6. Specifically, the limiting member 8 includes a body and limiting bosses (not shown in the figure) distributed circumferentially along the body. The body is inserted into the inner cavity of the central column 1, and the limiting bosses fit against the lower end face of the central column 1, with their outer diameter being larger than the diameter of the mounting hole 602. Therefore, the setting of the limiting member 8 can ensure that the installation of the connecting member 6 is more stable, preventing the mobile shooting bracket from detaching from the central column 1 during movement.

[0042] As an optional implementation, as shown in Figure 2, the upper end of the central column 1 has a camera mounting base 7, which facilitates the stable installation of the shooting device. Furthermore, the intermediate connecting part 2 is fixedly connected or slidably connected to the outer column of the central column 1.

[0043] As an optional implementation, as shown in Figure 3, the included angles between the first support leg 31, the second support leg 32, and the third support leg 33 are all the same. This allows the line connecting the projections of the first support leg 31, the second support leg 32, and the third support leg 33 to form an equilateral triangle, resulting in more stable support.

[0044] As an optional implementation, the first steering wheel 41, the second steering wheel 42, and the third steering wheel 43 are respectively detached and installed at the bottom of the corresponding first support leg 31, second support leg 32, and third support leg 33. When shooting video from a fixed position, the first steering wheel 41, the second steering wheel 42, and the third steering wheel 43 can be removed, and the first support leg 31, the second support leg 32, and the third support leg 33 can be placed directly on the ground to prevent the bracket from moving during shooting.

[0045] It should be clarified that the various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. This utility model is not limited to the specific steps and structures described above and shown in the figures. Furthermore, for the sake of brevity, detailed descriptions of known methods and techniques are omitted here.

[0046] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art without departing from the scope of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A movable shooting stand that allows linear motion, characterized in that, The system includes a central column (1), an intermediate connecting part (2), a first support leg (31), a second support leg (32), a third support leg (33), a first steering wheel (41), a second steering wheel (42), a third steering wheel (43), a connecting rod (5), and a connecting piece (6). The upper end face of the central column (1) is used to mount the camera. The intermediate connecting part (2) is sleeved on the central column (1). The first support leg (31), the second support leg (32), and the third support leg (33) are all hinged to the intermediate connecting part (2). The first steering wheel (41), the second steering wheel (42), and the connecting piece (6) are connected together. The third steering wheel (43) is respectively installed at the bottom of the corresponding first support leg (31), second support leg (32) and third support leg (33); wherein, the two ends of the connecting rod (5) are respectively detachably connected to the second steering wheel (42) and the third steering wheel (43), one end of the connecting member (6) is detachably connected to the central column (1), and the other end of the connecting member (6) is provided with a limiting groove (601). The first steering wheel (41) is accommodated in the limiting groove (601), and the limiting groove (601) is used to limit the swing of the first steering wheel (41).

2. The movable shooting bracket allowing linear motion according to claim 1, characterized in that, The second steering wheel (42) and the third steering wheel (43) are both hollow structures, and the two ends of the connecting rod (5) are respectively inserted into the second steering wheel (42) and the third steering wheel (43).

3. The movable shooting bracket allowing linear motion according to claim 2, characterized in that, The connecting rod (5) has threads and end caps at both ends.

4. The movable shooting bracket allowing linear motion according to any one of claims 1-3, characterized in that, The central column (1) is a telescopic column, including an outer column and an inner column that are nested and connected to each other.

5. The movable shooting bracket allowing linear motion according to claim 1, characterized in that, One end of the connector (6) is provided with a mounting hole (602), and the lower end of the central column (1) is installed in the mounting hole (602).

6. The movable shooting bracket allowing linear motion according to claim 1, characterized in that, The connector (6) is provided with dovetail guide rails (603) on the upper and lower edges of its circumferential outer wall.

7. The movable shooting bracket allowing linear motion according to claim 1, characterized in that, The upper end of the central column (1) has a camera mounting base (7).

8. The movable shooting bracket allowing linear motion according to claim 1, characterized in that, The first steering wheel (41), the second steering wheel (42) and the third steering wheel (43) are respectively disassembled and installed at the bottom of the corresponding first support leg (31), the second support leg (32) and the third support leg (33).

9. The movable shooting bracket allowing linear motion according to claim 5, characterized in that, It also includes a limiting member (8), which is installed at the bottom of the central column (1) and is used to vertically limit the connecting member (6).

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