CN203705805U - Camera stand - Google Patents

Abstract

The utility model discloses a camera stand which comprises a body, two bracing frames hinged to the body, a soleplate which is rotatably connected with the body, a first supporting leg, a second supporting leg and a drive unit. The body is rotatably connected with the soleplate. The soleplate contains a soleplate body, a rotary rod and a fixed part. The rotary rod is connected with the soleplate body. The rotary rod and the fixed part are fixedly connected inside the body. The first supporting leg contains a housing, a knob cap threadingly connected with the housing and a fixation tripod. The housing is threadingly connected with the knob cap. The fixation tripod contains a spring fixedly connected with the housing, a tripod base connected with the spring and a connecting rod hinged to the tripod base. A free end of the connecting rod is provided with a retention hole. One end of the second supporting leg, corresponding to the knob cap, is equipped with a retention column which matches the retention hole. The utility model has the following beneficial effects: rotation of a camera relative to the camera stand is realized, and arbitrary sliding of the tripod is prevented.

Description

camera stand

technical field

The utility model relates to the field of photographic equipment, in particular to a camera bracket.

Background technique

At present, various camera brackets can be used in daily life, and the camera brackets are generally used for shooting still lifes and the like. However, the traditional camera bracket has the characteristics of large size and is not easy to carry.

In Chinese Patent Publication No. CN201707535U, a camera bracket is disclosed, which includes a base, at least two frame-shaped wings hinged to the base, and a camera body adapted to attach the camera body to the Mounting pins for the base. After the camera main body is fixed by the mounting bolt, the angle of the camera cannot be rotated relative to the camera bracket, and an image of a corresponding angle can be taken.

Utility model content

The technical problem to be solved by the utility model is to provide a camera bracket, which realizes the rotation of the camera relative to the camera bracket, and at the same time prevents the tripod from sliding arbitrarily.

In order to solve the above technical problems, the technical solution of the utility model is to provide a camera bracket, which includes a main body, two supporting frames hinged with the main body, a mounting seat rotatably connected with the main body, a first supporting foot, a second supporting foot and The driving device, the surface of the body in contact with the mounting seat is provided with a rotating hole, the mounting seat includes a seat main body, a rotating rod and a fixing piece, the seat main body is a barrel-shaped structure, and the inner wall of the seat main body is provided with There is a buckle, the rotating rod is fixedly connected with the seat main body, the rotating rod enters the inner space of the body through the rotating hole, the rotating rod and the fixing part are fixedly connected in the inner space of the body, and the first supporting foot And the second support legs are respectively installed on the two support frames, the first support legs include a housing, a knob cap screwed with the housing and a fixed foot, and the housing and the knob cap are screwed to form a hollow cylinder The fixed tripod includes a spring fixedly connected to the housing, a tripod seat connected to the spring, and a connecting rod hinged to the tripod seat, the free end of the connecting rod is provided with a retaining hole, and the first One end of the two supporting legs corresponding to the knob cap is provided with a retaining post, and the retaining post is matched with the retaining hole.

Further, the fixing member is a ring structure, and the inner wall of the fixing member is provided with tooth lines, and the camera bracket also includes a driving device, and the driving device includes a gear, a screw, and a screw connected to the free end of the screw. Anti-slip parts, stepping motors and motor control circuits, the gear is a hollow structure, the gear is meshed with the teeth of the fixing part, the inner wall of the gear is provided with internal threads, and the gear is threadedly connected with the screw rod. The anti-slip part is a cylindrical structure, the outer diameter of the anti-slip part is smaller than the inner diameter of the fixed part and the anti-slip part is in conflict with the rotating rod, the length of the anti-slip part is 1/4 of the length of the fixed part, and the anti-slip part The outer diameter of the stepper motor is larger than the outer diameter of the screw rod, and the rotating shaft of the stepping motor is connected with the screw rod through a bearing.

Further, the motor control circuit includes a single-chip microcomputer, a switch button and a motor driver connected to the output end of the single-chip microcomputer, one end of the switch button is grounded, and the other end of the switch button is connected to the input end of the single-chip microcomputer, and the motor driver is connected to the connected to the stepper motor.

Still further, the single-chip microcomputer adopts an AT89C51 type chip, and the described motor driver adopts a ULN2003 type chip.

Beneficial effects of the utility model: the first support foot is provided with a fixed foot frame which cooperates with the fixed column on the second support foot frame to fix the angle formed by the two support frames and prevent the support frame from sliding. At the same time, the mounting seat is arranged to be rotatably connected with the body, so that the purpose of rotating the camera body as required is achieved. Coupled with the setting of the stepping motor and the motor driving circuit, the automatic rotation of the camera body is realized.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Fig. 1 is a schematic structural view of the camera bracket of the present invention.

Fig. 2 is a structural schematic diagram of the driving device in the utility model.

Fig. 3 is a schematic structural diagram of the first supporting foot in Fig. 1 .

Fig. 4 is a circuit diagram of the motor control circuit in the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Embodiment: As shown in Figure 1 and Figure 2, it is a preferred embodiment of the camera bracket of the present invention. The camera bracket includes a main body 1, two support frames 2 hinged with the main body 1, and a mounting seat rotatably connected with the main body 1 3. The first supporting foot 4 , the second supporting foot 5 and the driving device 6 .

Specifically, the body 1 is a hollow cuboid structure, and the surface of the body 1 in contact with the mounting base 3 is provided with a rotation hole 10 .

The mounting seat 3 includes a seat main body 30, a rotating rod 31 and a fixing member 32. The seat main body 30 is a barrel-shaped structure, and the inner wall of the seat main body 30 is provided with a buckle 33. The camera body and the seat main body 30 Inner wall snap connection. The rotating rod 31 is fixedly connected with the seat main body 30, and the rotating rod 31 enters the inner space of the body 1 through the rotating hole 10, and the rotating rod 31 is fixedly connected with the fixing member 32 in the inner space of the main body 1. The fixing part 32 is connected to the free end of the rotating rod 31 to prevent the rotating rod 31 from being separated from the body 1 . The fixing member 32 is a ring structure, and the inner wall of the fixing member 32 is provided with teeth.

Please continue to refer to Figure 1 and Figure 3, the first supporting foot 4 and the second supporting foot 5 are respectively installed on two supporting frames 2, and the first supporting foot 4 and the second supporting foot 5 are cylinders body structure. The first supporting foot 4 includes a housing 40 , a knob cap 41 screwed to the housing 40 and a fixed stand. The housing 40 is screwed to the knob cap 41 to form a hollow cylindrical structure. The fixed stand includes a spring 42 fixedly connected to the housing 40 , a stand seat 43 connected to the spring 42 , and a connecting rod 44 hinged to the stand seat 43 . The spring 42 , the tripod seat 43 and the connecting rod 44 are all disposed in the casing 40 , and the tripod seat 43 and the connecting rod 44 can also slide relative to the casing 40 . The free end of the connecting rod 44 is provided with a retaining hole 45 . One end of the second supporting foot 5 corresponding to the knob cap 41 is provided with a retaining post 50 , and the retaining post 50 is matched with the retaining hole 45 .

Please continue to refer to FIG. 2 , the driving device 6 includes a gear 60 , a screw 61 , an anti-slip member connected to the free end of the screw 61 , a stepping motor 62 and a motor control circuit 63 . The gear 60 is a hollow structure, the gear 60 meshes with the teeth of the fixing member 32 , the inner wall of the gear 60 is provided with an internal thread, and the gear 60 is screwed with the screw 61 . The anti-slip part is a cylindrical structure, the outer diameter of the anti-slip part is less than the inner diameter of the fixed part 32 and the anti-slip part is in conflict with the rotating rod 31, the length of the anti-slip part is 1/4 of the length of the fixed part 32, So that there is enough space in the fixing part 32 to accommodate the gear 60 . The outer diameter of the anti-slip member is larger than the outer diameter of the screw 61 , so that the gear 60 slides to the position of the anti-slip member and disengages from the screw 61 . The rotating shaft of the stepping motor 62 is connected with the screw rod 61 through a bearing.

Please continue to refer to FIG. 4 , the motor control circuit 63 includes a single-chip microcomputer 630 , a switch button 631 connected to the input end of the single-chip microcomputer 630 , and a motor driver 632 connected to the output end of the single-chip microcomputer 630 . In this embodiment, the single-chip microcomputer 630 uses an AT89C51 chip, and the motor driver 632 uses a ULN2003 chip. One end of the switch button 631 is grounded, the other end of the switch button 631 is connected to the input terminal P1.0 of the single-chip microcomputer 630 , and the motor driver 632 is connected to the stepping motor 62 .

The working principle of the utility model: when the camera body needs to be supported up, rotate the two supporting frames 2, and then rotate the knob cap 41 on the first supporting foot 4, and the connecting rod 44 is ejected from the shell under the action of the spring 42 body 40, then move the connecting rod 44, pull the connecting rod 44 out of the housing 40 as a whole, the tripod seat 43 still stays in the housing 40, turn the connecting rod 44, and connect the retaining hole 45 of the connecting rod 44 with the retaining post 50 buckle, thereby the angle between the two support frames 2 is fixed to prevent sliding. When the angle of the camera body needs to be adjusted, it can be adjusted automatically or manually. When the motor control circuit 63 is not started, under the control of the single-chip microcomputer 630, the stepper motor 62 is reset, so that the gear 60 is away from the anti-skid part and disengaged from the fixing part 32, so that the mounting seat 3 can be manually rotated to the desired position. Angle. When the motor control circuit 63 is started, the switch button 631 is pressed for the first time, and the switch button 631 inputs a low-level signal to the single-chip microcomputer, and the single-chip microcomputer 630 inputs a certain voltage to the motor driver 632, so that the stepping motor 62 is in the motor driver 632. Driven by the driver 632, it rotates to a first preset angle, so that the gear 60 is close to the anti-slip part and engages with the fixed part 32; press the switch button 631 again, and now the gear 60 drives the fixed part 32 to rotate, and the camera body rotates The second preset angle; if the camera body needs to be rotated further, the switch button 631 can be pressed again.

The above are only embodiments of the present utility model, and are not intended to limit the patent scope of the present invention. All equivalent structures made using the description of the utility model and the contents of the accompanying drawings are directly or indirectly used in other related technical fields. Within the scope of patent protection of the utility model.

Claims (4)

1. A camera bracket, characterized in that it comprises a body, two support frames hinged with the body, a mounting seat rotatably connected to the body, a first supporting foot and a second supporting foot, the surface of the body in contact with the mounting seat There is a turning hole on the top, the mounting seat includes a seat main body, a rotating rod and a fixing piece, the seat main body is a barrel-shaped structure, the inner wall of the seat main body is provided with buckles, and the rotating rod is fixed to the seat main body connected, the rotating rod enters the inner space of the body through the rotating hole, the rotating rod is fixedly connected with the fixing part in the inner space of the main body, and the first supporting foot and the second supporting foot are respectively installed on two supporting frames Above, the first supporting foot includes a housing, a knob cap screwed to the housing, and a fixed foot, the housing is screwed to the knob cap to form a hollow cylindrical structure, and the fixed foot includes a The fixedly connected spring, the tripod seat connected to the spring and the connecting rod hinged with the tripod seat, the free end of the connecting rod is provided with a retaining hole, and the end corresponding to the second supporting foot is provided with a A retention post, the retention post is matched with the retention hole. 2. The camera bracket according to claim 1, wherein the fixing member is a ring structure, the inner wall of the fixing member is provided with tooth lines, and the camera bracket also includes a driving device, and the driving The device includes a gear, a screw, an anti-skid piece connected to the free end of the screw, a stepper motor and a motor control circuit. The gear is a hollow structure, and the gear is engaged with the teeth of the fixing piece. The inner wall of the gear is provided with There are internal threads, the gear is threadedly connected with the screw rod, the anti-slip part is a cylindrical structure, the outer diameter of the anti-slip part is smaller than the inner diameter of the fixed part and the anti-slip part conflicts with the rotating rod, and the length of the anti-slip part is 1/4 of the length of the fixing piece, the outer diameter of the anti-skid piece is larger than the outer diameter of the screw, and the rotating shaft of the stepping motor is connected with the screw through a bearing. 3. camera support according to claim 1, is characterized in that, described motor control circuit comprises single-chip microcomputer, switch button and the motor driver that links to each other with output end of single-chip microcomputer, one end of described switch button is grounded, and the other end of described switch button One end is connected with the input end of the single-chip microcomputer, and the motor driver is connected with the stepping motor. 4. The camera bracket according to claim 3, wherein the single-chip microcomputer adopts an AT89C51 type chip, and the described motor driver adopts a ULN2003 type chip.