A dual-drive clutch-type explosion-proof and security camera and its adjustment method

Abstract

The present invention relates to a dual-drive clutch type explosion-proof security camera, which includes an installation housing. Inside the installation housing, there are a spherical camera, a first spherical cover and a second spherical cover. A first universal ball, a first drive shaft and a first stepping motor are rotatably arranged on the first spherical cover, and the rotation plane of the first drive shaft coincides with the longitudinal central symmetry plane of the spherical camera. A second universal ball, a second drive shaft and a second stepping motor are rotatably arranged on the second spherical cover, and the rotation plane of the second drive shaft coincides with the transverse central symmetry plane of the spherical camera. Friction rubber wheels are arranged on both the first drive shaft and the second drive shaft, and clutch notch grooves are arranged on the outer surfaces of the two friction rubber wheels. Two pressing members are also arranged on the installation housing, and the two pressing members, the first universal ball and the second universal ball are distributed in a triangular pyramid shape. By adopting this method, not only the structure is simple and compact, but also the adjustment angle of the camera can reach the full angle, greatly improving the adjustable angle range.

Description

Technical Field

[0001] The present invention relates to the technical field of explosion-proof security cameras, and more specifically, to a dual-drive clutch type explosion-proof security camera and an adjustment method thereof. Background Art

[0002] An explosion-proof security camera is a relatively special camera, usually set to be used in flammable, explosive or high-risk areas. The volume and weight of such cameras are relatively important indicators; the conventional drive adjustment method has a large limitation on the adjustment angle, and there is a need for an explosion-proof security camera that can perform large-angle adjustment. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a dual-drive clutch type explosion-proof security camera and an adjustment method thereof in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problems is as follows:

[0005] Construct a dual-drive clutch type explosion-proof security camera, which includes an installation housing filled with inert gas; a spherical camera is arranged in the installation housing, a first spherical cover located at the upper end of the spherical camera, and a second spherical cover located on the right side of the spherical camera; a first universal ball fitting the spherical camera is rotatably arranged on the first spherical cover, a first drive shaft driving the first universal ball to rotate longitudinally by static friction, and a first stepping motor driving the first drive shaft to rotate, and the rotation plane of the first drive shaft coincides with the longitudinal central symmetry plane of the spherical camera; a second universal ball fitting the spherical camera is rotatably arranged on the second spherical cover, a second drive shaft driving the second universal ball to rotate horizontally by static friction, and a second stepping motor driving the second drive shaft to rotate, and the rotation plane of the second drive shaft coincides with the horizontal central symmetry plane of the spherical camera; friction rubber wheels are arranged on both the first drive shaft and the second drive shaft, and clutch notch grooves are arranged on the outer surfaces of the two friction rubber wheels; two pressing members fitting and acting on the spherical camera are further arranged on the installation housing, and the two pressing members, the first universal ball and the second universal ball are distributed in a triangular pyramid shape.

[0006] In the dual-drive clutch type explosion-proof security camera of the present invention, the two pressing members are respectively a third universal ball and a fourth universal ball; two ball head seats for correspondingly installing the third universal ball and the fourth universal ball are arranged on the inner wall of the installation housing.

[0007] In the dual-drive clutch type explosion-proof security camera of the present invention, an elastic arc-shaped strip is arranged on the inner wall of the installation housing, and the ball head seats are arranged at both ends of the arc-shaped strip.

[0008] In the dual-drive clutch type explosion-proof security camera of the present invention, a first sleeve body sleeving outside the first universal ball is arranged on the first spherical cover. The first sleeve body includes two first limiting rings respectively sleeving on the upper and lower parts of the first universal ball and a first arc-shaped connecting rod connecting the two first limiting rings.

[0009] In the dual-drive clutch type explosion-proof security camera of the present invention, a second sleeve body sleeving outside the second universal ball is arranged on the second spherical cover. The second sleeve body includes two second limiting rings respectively sleeving on the upper and lower parts of the second universal ball and a second arc-shaped connecting rod connecting the two second limiting rings.

[0010] In the dual-drive clutch type explosion-proof security camera of the present invention, a plurality of clutch notch grooves are arranged on the edge of the friction rubber wheel.

[0011] A method for adjusting a dual-drive clutch type explosion-proof security camera, according to the above-mentioned dual-drive clutch type explosion-proof security camera, includes the following steps:

[0012] A triangular pyramid shape is formed by two pressing members, the first universal ball and the second universal ball to continuously support and position the spherical camera at four points.

[0013] When performing longitudinal adjustment, the friction rubber wheel in contact with the second universal ball rotates to a disengaged state where the clutch notch groove on it is facing the second universal ball, and the first stepping motor is controlled to operate to drive the first drive shaft to rotate, driving the first universal ball to rotate longitudinally and then driving the spherical camera to rotate longitudinally.

[0014] When performing transverse adjustment, the friction rubber wheel in contact with the first universal ball rotates to a disengaged state where the clutch notch groove on it is facing the first universal ball, and the second stepping motor is controlled to operate to drive the second drive shaft to rotate, driving the second universal ball to rotate transversely and then driving the spherical camera to rotate transversely.

[0015] The beneficial effects of the present invention are as follows: A triangular pyramid shape is formed by two pressing members, a first universal ball, and a second universal ball to continuously support and position the spherical camera at four points. When performing longitudinal adjustment, the friction rubber wheel in contact with the second universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the second universal ball, and the first stepping motor is controlled to operate to drive the first drive shaft to rotate, driving the first universal ball to rotate longitudinally and then driving the spherical camera to rotate longitudinally. When performing lateral adjustment, the friction rubber wheel in contact with the first universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the first universal ball, and the second stepping motor is controlled to operate to drive the second drive shaft to rotate, driving the second universal ball to rotate laterally and then driving the spherical camera to rotate laterally. By adopting this method, not only is the structure simple and compact, but the adjustment angle of the camera can reach a full angle, greatly improving the adjustable angle range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will further explain the present invention in conjunction with the drawings and embodiments. The drawings in the following description are only partial embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0017] Figure 1 is a schematic structural diagram of a double-drive clutch type explosion-proof security camera according to a preferred embodiment of the present invention;

[0018] Figure 2 is a schematic structural diagram of the first universal ball drive of a double-drive clutch type explosion-proof security camera according to a preferred embodiment of the present invention;

[0019] Figure 3 is a schematic structural diagram of the second universal ball drive of a double-drive clutch type explosion-proof security camera according to a preferred embodiment of the present invention;

[0020] Figure 4 is a schematic structural diagram of the assembly of the third universal ball and the fourth universal ball of a double-drive clutch type explosion-proof security camera according to a preferred embodiment of the present invention;

[0021] Figure 5 is a schematic structural diagram of the cooperation between the first universal ball and the friction rubber wheel of a double-drive clutch type explosion-proof security camera according to a preferred embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] The dual-drive clutch type explosion-proof security camera of the preferred embodiment of the present invention, as Figure 1 shown, also refer to Figures 2 - 4 , includes an installation housing 1 filled with inert gas inside; a spherical camera 2, a first spherical cover 3 located at the upper end of the spherical camera 2, and a second spherical cover 4 located on the right side of the spherical camera 2 are arranged inside the installation housing 1; a first universal ball 30 fitting the spherical camera 2, a first drive shaft 31 driving the first universal ball to rotate longitudinally by static friction, and a first stepping motor 32 driving its rotation are rotatably arranged on the first spherical cover 3, and the rotation plane of the first drive shaft 31 coincides with the longitudinal central symmetry plane of the spherical camera 2; a second universal ball 40 fitting the spherical camera, a second drive shaft 41 driving the second universal ball to rotate horizontally by static friction, and a second stepping motor 42 driving its rotation are rotatably arranged on the second spherical cover 4, and the rotation plane of the second drive shaft 41 coincides with the horizontal central symmetry plane of the spherical camera; friction rubber wheels 5 are arranged on both the first drive shaft 31 and the second drive shaft 41, and clutch notch grooves 50 are arranged on the outer surfaces of the two friction rubber wheels 5; two pressing members acting on the spherical camera are further arranged on the installation housing 1, and the two pressing members, the first universal ball 30 and the second universal ball 40 are distributed in a triangular pyramid shape;

[0024] By forming a triangular pyramid shape with the two pressing members, the first universal ball 30 and the second universal ball 40, continuous support and positioning of four points of the spherical camera 2 are carried out; when performing longitudinal adjustment, the friction rubber wheel 5 in contact with the second universal ball 40 rotates to a disengaged state where the clutch notch groove 50 thereon is facing the second universal ball 40, and the first stepping motor 32 is controlled to operate to drive the first drive shaft 31 to rotate, driving the first universal ball 30 to rotate longitudinally and then driving the spherical camera 2 to rotate longitudinally; when performing horizontal adjustment, the friction rubber wheel 5 in contact with the first universal ball 30 rotates to a disengaged state where the clutch notch groove 50 thereon is facing the first universal ball 30, and the second stepping motor 42 is controlled to operate to drive the second drive shaft 41 to rotate, driving the second universal ball 40 to rotate horizontally and then driving the spherical camera 2 to rotate horizontally;

[0025] Adopting this method, not only is the structure simple and compact, but also the adjustment angle of the camera can reach a full angle, greatly improving the adjustable angle range.

[0026] Preferably, the two pressing members are respectively a third universal ball 60 and a fourth universal ball 61; two ball head seats 62 for correspondingly installing the third universal ball 60 and the fourth universal ball 61 are arranged on the inner wall of the installation housing 1; the structure is reasonable and compact, and the rotational resistance of the spherical camera is small.

[0027] Preferably, an elastic arc-shaped strip 63 is arranged on the inner wall of the installation housing 1, and ball head seats 62 are arranged at both ends of the arc-shaped strip 63; the structure is reasonable and can maintain a certain continuous pressing force on the spherical camera.

[0028] Preferably, a first sleeve body 33 sleeved outside the first universal ball is arranged on the first spherical cover 3, and the first sleeve body 33 includes two first limiting rings 330 respectively sleeved on the upper and lower parts of the first universal ball 30 and a first arc-shaped connecting rod 331 connecting the two first limiting rings 330; the structure is reasonable and does not interfere with the rotational operation of the first universal ball 30.

[0029] Preferably, a second sleeve body 43 sleeved outside the second universal ball is arranged on the second spherical cover 4, and the second sleeve body includes two second limiting rings respectively sleeved on the upper and lower parts of the second universal ball and a second arc-shaped connecting rod connecting the two second limiting rings.

[0030] Preferably, a plurality of clutch notch grooves 50 are arranged on the edge of the friction rubber wheel 5; the setting position and the setting quantity can be set according to actual adjustment needs.

[0031] A double-drive clutch type explosion-proof security camera adjustment method, according to the above-mentioned double-drive clutch type explosion-proof security camera, includes the following method:

[0032] A triangular pyramid shape is formed by the two pressing members, the first universal ball and the second universal ball to continuously support and position the spherical camera at four points;

[0033] When performing longitudinal adjustment, the friction rubber wheel in contact with the second universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the second universal ball, and the first stepping motor is controlled to operate to drive the first drive shaft to rotate, driving the first universal ball to rotate longitudinally and then driving the spherical camera to rotate longitudinally;

[0034] When performing lateral adjustment, the friction rubber wheel in contact with the first universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the first universal ball, and the second stepping motor is controlled to operate to drive the second drive shaft to rotate, driving the second universal ball to rotate laterally and then driving the spherical camera to rotate laterally;

[0035] Adopting this method, not only is the structure simple and compact, but also the adjustment angle of the camera can reach a full angle, greatly improving the adjustable angle range.

[0036] It should be understood that those of ordinary skill in the art can make improvements or modifications based on the above description, and all such improvements and modifications shall fall within the protection scope of the appended claims of the present invention.

Claims

1. A dual-drive clutch type explosion-proof security camera, characterized in that, It includes an installation housing filled with inert gas inside; a spherical camera is arranged inside the installation housing, a first spherical cover located at the upper end of the spherical camera, and a second spherical cover located on the right side of the spherical camera; a first universal ball fitting the spherical camera is rotatably arranged on the first spherical cover, a first drive shaft driving the first universal ball to rotate longitudinally by static friction, and a first stepping motor driving its rotation, the rotation plane of the first drive shaft coincides with the longitudinal central symmetry plane of the spherical camera; a second universal ball fitting the spherical camera is rotatably arranged on the second spherical cover, a second drive shaft driving the second universal ball to rotate horizontally by static friction, and a second stepping motor driving its rotation, the rotation plane of the second drive shaft coincides with the horizontal central symmetry plane of the spherical camera; friction rubber wheels are arranged on both the first drive shaft and the second drive shaft, and clutch notch grooves are arranged on the outer surfaces of the two friction rubber wheels; two pressing members fitting and acting on the spherical camera are further arranged on the installation housing, and the two pressing members, the first universal ball and the second universal ball are distributed in a triangular pyramid shape; A first sleeve body sleeved outside the first universal ball is arranged on the first spherical cover, the first sleeve body includes two first limiting rings respectively sleeved on the upper and lower parts of the first universal ball and a first arc-shaped connecting rod connecting the two first limiting rings; a second sleeve body sleeved outside the second universal ball is arranged on the second spherical cover, the second sleeve body includes two second limiting rings respectively sleeved on the upper and lower parts of the second universal ball and a second arc-shaped connecting rod connecting the two second limiting rings.

2. The dual-drive clutch type explosion-proof security camera according to claim 1, characterized in that, The two pressing members are respectively a third universal ball and a fourth universal ball; two ball head seats for correspondingly installing the third universal ball and the fourth universal ball are arranged on the inner wall of the installation housing.

3. The dual-drive clutch type explosion-proof security camera according to claim 2, characterized in that, An elastic arc-shaped strip is arranged on the inner wall of the installation housing, and the two ball head seats are arranged at both ends of the arc-shaped strip.

4. The dual-drive clutch type explosion-proof security camera according to any one of claims 1-3, characterized in that, The clutch notch grooves are arranged at multiple positions on the edge of the friction rubber wheel.

5. A method for adjusting a dual-drive clutch type explosion-proof security camera, according to the dual-drive clutch type explosion-proof security camera according to any one of claims 1-4, characterized in that, It includes the following method: Four-point continuous support positioning of the spherical camera is carried out by forming a triangular pyramid shape with two pressing members, the first universal ball and the second universal ball; When longitudinal adjustment is carried out, the friction rubber wheel in contact with the second universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the second universal ball, and the first stepping motor is controlled to operate to drive the first drive shaft to rotate, driving the first universal ball to rotate longitudinally and then driving the spherical camera to rotate longitudinally; When horizontal adjustment is carried out, the friction rubber wheel in contact with the first universal ball rotates to a disengaged state where the clutch notch groove on it is directly opposite to the first universal ball, and the second stepping motor is controlled to operate to drive the second drive shaft to rotate, driving the second universal ball to rotate horizontally and then driving the spherical camera to rotate horizontally.

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