CN220668998U

CN220668998U - Anti-shake tripod head structure

Info

Publication number: CN220668998U
Application number: CN202322160488.1U
Authority: CN
Inventors: 麦练智; 李靖
Original assignee: Vista Innotech Ltd
Current assignee: Vista Innotech Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-26
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of anti-shake cradle head structures, and discloses an anti-shake cradle head structure, which comprises: a fixing seat; the magnetic piece is arranged on the fixed seat; the mounting seat is provided with a rotating shaft, the mounting seat is rotationally connected with the fixing seat through the rotating shaft, and the mounting seat and the fixing seat are respectively positioned at two sides of the magnetic piece; the coil is arranged on the side surface of the mounting seat facing one side of the magnetic piece, and the coil is arranged corresponding to the magnetic piece; and the controller is electrically connected with the coil. The anti-shake cradle head structure is simple in structure, easy to implement and good in anti-shake effect, so that the structure is simplified and the economic cost is low while the anti-shake function is achieved.

Description

Anti-shake tripod head structure

Technical Field

The utility model relates to the technical field of anti-shake cradle head structures.

Background

At present, there are two general anti-shake modes for anti-shake pan-tilt structures in lamps and cameras. One is to provide vibration damping members such as vibration damping pads to also perform anti-shake, but the assembly parts of such an anti-shake structure are numerous and complicated, and do not support wide-angle anti-shake applications. The other is to adopt multiunit connecting rod, spring and PLC controller to realize the function of anti-shake, and this kind of anti-shake mode's volume is great, and the cost is higher, can only be applied to the field that stage lamps and lanterns were lighted usually. Both of these anti-shake forms have the problem of high cost of a plurality of coils, so that improvement is needed in the prior art.

Disclosure of Invention

The purpose of the utility model is that: the anti-shake tripod head structure has the advantages that the structure is simplified while the anti-shake function is achieved, only one coil is needed inside the anti-shake tripod head structure, and lower economic cost can be achieved.

In order to achieve the above object, the present utility model provides an anti-shake pan-tilt structure, including:

a fixing seat;

the magnetic piece is arranged on the fixed seat;

the mounting seat is provided with a rotating shaft, the mounting seat is rotationally connected with the fixing seat through the rotating shaft, and the mounting seat and the fixing seat are respectively positioned at two sides of the magnetic piece;

the coil is arranged on the side surface of the mounting seat facing one side of the magnetic piece, and the coil is arranged corresponding to the magnetic piece;

and the controller is electrically connected with the coil.

In some embodiments of the present application:

the controller comprises a plate and a first connecting piece, wherein the plate is arranged on the mounting seat, two ends of the first connecting piece are respectively connected with the plate and the fixing seat, the first connecting piece is electrically connected with the coil, and at least one part of the first connecting piece can deform.

In some embodiments of the present application:

the plate is provided with a light-emitting element, and the plate, the light-emitting element and the first connecting piece are electrically connected.

In some embodiments of the present application:

the controller also comprises a position sensor, wherein the position sensor is arranged on the first connecting piece and is electrically connected with the first connecting piece, the position of the position sensor corresponds to the position of the magnetic piece, and the position sensor is used for detecting the magnetic field intensity of the magnetic piece.

In some embodiments of the present application:

the controller further comprises a vibration sensor which is arranged on the first connecting piece and is electrically connected with the first connecting piece, and the vibration sensor is used for detecting the angular speed of the controller.

In some embodiments of the present application:

the fixing seat comprises a first seat board and a second seat board which are oppositely arranged, the first seat board and the second seat board are respectively positioned at two sides of the mounting seat, and the magnetic piece is arranged on the first seat board;

the rotating shaft comprises a first shaft and a second shaft which are coaxially arranged, the first shaft and the second shaft are respectively positioned on two side surfaces of the mounting seat, the mounting seat is in rotary connection with the first seat board through the first shaft, and the mounting seat is in rotary connection with the second seat board through the second shaft.

In some embodiments of the present application:

the fixing seat comprises a first seat board, the first seat board is located on one side of the mounting seat, the magnetic piece is arranged on the first seat board, a bearing is arranged on the first seat board, and the first seat board is rotatably connected with the rotating shaft through the bearing.

In some embodiments of the present application:

the controller comprises a plate, a second connecting piece and a third connecting piece, wherein the plate, the second connecting piece and the third connecting piece are electrically connected with each other, the plate is arranged on the mounting seat, the plate and the second seat board are connected through the second connecting piece, at least one part of the second connecting piece can deform, the plate and the coil are connected through the third connecting piece, and at least one part of the third connecting piece can deform.

In some embodiments of the present application, the anti-shake pan-tilt structure further includes:

the two ends of the first elastic piece are respectively arranged on the fixing seat and the plate, and the first elastic piece is used for resetting the mounting seat.

the two ends of the second elastic piece are respectively arranged on the fixing seat and the mounting seat, and the second elastic piece is used for resetting the mounting seat.

The utility model provides an anti-shake tripod head structure, which has the beneficial effects that compared with the prior art:

according to the anti-shake holder structure, the magnetic piece is arranged on the fixed seat, the coil corresponding to the magnetic piece is arranged on the mounting seat, when shake occurs, the fixed seat and the mounting seat relatively rotate, the relative position between the coil and the magnetic piece is changed, the magnetic field generated by energizing the coil can provide magnetic field moment for the mounting seat, and the mounting seat reversely rotates to reset the mounting seat, so that the anti-shake function is realized. The anti-shake cradle head structure has the advantages of simple structure, easy implementation, better anti-shake effect, and low economic cost, and only one coil is needed inside the anti-shake cradle head structure, so that the anti-shake function is realized, and meanwhile, the structure is simplified.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is an exploded view of an embodiment of the present utility model.

FIG. 3 is a schematic view of another embodiment of the present utility model.

Fig. 4 is a schematic diagram of a position sensor according to an embodiment of the utility model.

Fig. 5 is a schematic diagram of a vibration sensor according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of an embodiment of the present utility model applied to a lamp.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is a partial schematic view of the structure of fig. 6.

Fig. 9 is a partial schematic structure of fig. 6.

Fig. 10 is an exploded view of the alternative embodiment of fig. 6.

Fig. 11 is a partial schematic structure of fig. 10.

In the figure, 1, a fixing seat; 2. a magnetic member; 3. a mounting base; 4. a coil; 5. a controller; 6. a light emitting element; 7. a first elastic member; 8. a second elastic member; 9. a heat sink; 11. a first seat plate; 12. a second seat plate; 13. a base; 14. a buckle; 15. a bearing; 131. a receiving groove; 132. a buckling groove; 31. a rotating shaft; 311. a first shaft; 312. a second shaft; 51. a plate member; 52. a first connector; 53. a position sensor; 54. a vibration sensor; 55. a second connector; 56. and a third connecting piece.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, an anti-shake pan-tilt structure according to a preferred embodiment of the present utility model includes: the device comprises a fixed seat 1, a magnetic piece 2, a mounting seat 3, a coil 4 and a controller 5.

The magnetic part 2 is arranged on the fixed seat 1. The magnetic member 2 may be provided in one or more. The magnetic member 2 may be provided as a magnet.

The mount pad 3 is provided with pivot 31, and mount pad 3 passes through pivot 31 and fixing base 1 swivelling joint, and mount pad 3 and fixing base 1 are located the both sides of magnetic part 2 respectively.

The coil 4 is disposed on a side surface of the mounting base 3 facing the magnetic member 2, and the coil 4 is disposed corresponding to the magnetic member 2.

In the embodiment, the number of the coils 4 is 1, so that the economic cost is reduced.

The controller 5 is electrically connected to the coil 4.

The material of the fixing seat 1 can be steel or other magnetic conductive materials, so that electromagnetic force and assembly efficiency are increased, and magnetic interference on the periphery of the anti-shake holder structure and the mounting structure is reduced.

In the anti-shake holder structure of this embodiment, the magnetic part 2 is disposed on the fixing base 1, the coil 4 corresponding to the magnetic part 2 is disposed on the mounting base 3, when shake occurs, the fixing base 1 and the mounting base 3 rotate relatively, the relative position between the coil 4 and the magnetic part 2 also changes, the magnetic field generated by energizing the coil 4 can provide a magnetic field moment for the mounting base 3, so that the mounting base 3 rotates reversely to reset the mounting base 3, thereby realizing the anti-shake function.

By changing the current and direction of the coil 4, the magnetic field moment is changed to drive the mount 3 to rotate about the rotation shaft 31. In the anti-shake process, the mounting seat 3 is driven to perform reset movement, and when the shake amplitude is smaller, the movement can be counteracted, so that the anti-shake function is achieved, and the vibration and the shake influence caused by vibration are reduced.

The magnet is arranged on the fixing base 1, and the shaking does not interfere the magnetic force of the anti-shaking cradle head structure, so that the anti-shaking effect and the power consumption are not affected.

Through such a structure, other drivers are not required to be arranged, so that the anti-shake function can be realized, the structure is simple, the structural parts are few, the production cost can be greatly reduced, the production efficiency is improved, and a better anti-shake effect is achieved.

Referring to fig. 3, the controller 5 includes a plate 51 and a first connecting member 52, the plate 51 is disposed on the mounting base 3, two ends of the first connecting member 52 are respectively connected to the plate 51 and the fixing base 1, the first connecting member 52 is electrically connected to the coil 4, and at least a portion of the first connecting member 52 can be deformed.

The plate member 51 has a certain hardness and is not provided to be flexible.

In the present embodiment, the first connector 52 is a circuit board. The first connecting member 52 is fixed to the plate 51 and the fixing base 1 at both ends thereof, respectively, and the first connecting member 52 is further connected to the coil 4 to achieve electrical connection of the first connecting member 52 and the coil 4. In this embodiment, the deformed portion is a portion other than the connection wire 4, referring to fig. 4 and 5, the bent portion of the first connecting member 52, and the portion of the bent portion with no shading at both ends in the drawing may be a flexible circuit board, and the flexible circuit board is designed in a layered manner, with at least one layer. The hatched portions of the first connecting member 52 are portions for connecting the fixing base 1, the coil 4, and the plate member 51, which may be provided with reinforcing plates for improving strength.

Of course, the first connection member 52 may be a wire harness, and at least one wire harness of the wire harness may be arranged.

When the first connecting member 52 is deformed, the electrical connection between the coil 4, the first connecting member 52, and the plate member 51 is not affected.

The anti-shake holder structure of the embodiment can be applied to lamps. The board 51 is provided with the light emitting element 6, and the board 51, the light emitting element 6, and the first connector 52 are electrically connected. The anti-shake holder structure of the embodiment may be applied to a camera, and the light emitting element 6 may be replaced by a photosensitive element, that is, the photosensitive element is disposed on the plate 51, and the plate 51, the photosensitive element and the first connecting member 52 are electrically connected.

Specifically, referring to fig. 4, the controller 5 further includes a position sensor 53, the position sensor 53 is disposed on the first connecting member 52 and electrically connected to the first connecting member, the position of the position sensor 53 corresponds to the position of the magnetic member 2, and the position sensor 53 is used for detecting the magnetic field strength of the magnetic member 2.

When the position sensor 53 of the present embodiment shakes, the relative position between the position sensors 53 of the magnetic member 2 changes, so that the position sensor 53 senses the change of the magnetic field intensity of the magnetic member 2, and transmits a signal to the coil 4 through the first connection member 52, thereby controlling the current and direction of the coil 4 in the direction of the coil 4, and changing the magnetic field moment to drive the mount 3 to rotate around the rotating shaft 31.

In other embodiments, referring to fig. 5, the position sensor 53 may be replaced by a vibration sensor 54, the vibration sensor 54 is disposed on the first connecting member 52 and electrically connected to each other, and the vibration sensor 54 is used to detect the angular velocity thereof.

In this embodiment, the vibration sensor 54 is a gyroscope, and when the vibration occurs, the mount 3 and the fixing base 1 rotate relatively, the first connector 52 also moves along with the vibration sensor 54, the vibration sensor 54 detects the change of its angular velocity, and signals are transmitted to the coil 4 through the first connector 52, so as to control the current and direction of the coil 4, and change the magnetic field moment, so as to drive the mount 3 to rotate around the rotating shaft 31. The position of the vibration sensor 54 does not need to be set in correspondence with the magnetic member 2.

Whether the vibration sensor 54 or the position sensor 53, the posture of the anti-shake head structure can reduce the influence on the anti-shake effect due to the change of the direction of the earth's center suction, and the anti-shake effect is reliable.

The embodiment also provides another resetting structure to assist the resetting of the mounting base 3, a first elastic member 7 is provided, two ends of the first elastic member 7 are respectively provided on the fixing base 1 and the plate 51, and the first elastic member 7 is used for resetting the mounting base 3. By the action of the elastic force, the elastic force for driving the plate 51 to reset is applied, so that the mounting seat 3 is driven to reset. Referring to fig. 8, two first elastic members 7 are symmetrically disposed.

Or, a second elastic piece 8 is arranged, two ends of the second elastic piece 8 are respectively arranged on the fixing seat 1 and the mounting seat 3, and the second elastic piece 8 is used for resetting the mounting seat 3. Referring to fig. 10 and 11, the second elastic member 8 may be directly disposed on the mounting seat 3, or a connecting plate may be disposed on the mounting seat 3, where the second elastic member 8 is directly connected to the connecting plate, and applies an elastic force to drive the connecting plate to return, so as to drive the mounting seat 3 to return.

The first elastic piece 7 or the second elastic piece 8 can be used for making the displacement stiffness coefficient extremely high, so that the vibration resistance of the anti-shake tripod head structure can be improved.

The embodiment also provides a lamp applying the anti-shake holder structure, please refer to fig. 6 and 7.

The fixed seat 1 comprises a first seat board 11 and a second seat board 12 which are oppositely arranged, the first seat board 11 and the second seat board 12 are respectively positioned at two sides of the mounting seat 3, and the magnetic piece 2 is arranged on the first seat board 11;

the rotating shaft 31 includes a first shaft 311 and a second shaft 312 which are coaxially arranged, the first shaft 311 and the second shaft 312 are respectively positioned on two side surfaces of the mounting seat 3, the mounting seat 3 is rotatably connected with the first seat plate 11 through the first shaft 311, and the mounting seat 3 is rotatably connected with the second seat plate 12 through the second shaft 312.

The first shaft 311 and the second shaft 312 are coaxial, so that the mounting seat 3 can rotate on the fixing seat 1, and the mounting seat 3 can rotate on the fixing seat 1 more stably and reliably through the structure. The mount 3 is also used to set up a lens.

In some embodiments, the fixing base 1 includes a first seat board 11, the first seat board 11 is located at one side of the mounting base 3, the magnetic element 2 is disposed on the first seat board 11, a bearing 15 is disposed on the first seat board 11, and the first seat board 11 is rotatably connected with the rotating shaft 31 through the bearing 15.

In these embodiments, it is also possible to provide only the first seat plate 11, that is, not provide the second seat plate 12, and further provide a hole in the first seat plate 11, in which the bearing 15 is mounted, and the rotation shaft 31 is inserted into the bearing 15, so as to achieve connection of the rotation shaft 31 with the first seat plate 11 through the bearing 15.

The fixing base 1 further comprises a base body 13, the base body 13 is provided with a containing groove 131, the first seat board 11 and the second seat board 12 are clamped on two opposite inner walls of the containing groove 131, and the containing groove 131 is further used for containing at least one part of the mounting base 3.

Specifically, the first seat plate 11 and the second seat plate 12 are provided with the buckle 14, the seat body 13 is provided with the buckle groove 132, and the buckle 14 is clamped in the buckle groove 132 to realize the clamping of the first seat plate 11 and the seat body 13 and the clamping of the second seat plate 12 and the seat body 13.

When the shake occurs, the space in the accommodating groove 131 is slightly larger than that of the mounting seat 3 and other parts, and the space in the accommodating groove 131 is surplus, so that the mounting seat 3 and the lens mounted on the mounting seat 3 can rotate in the accommodating groove 131.

With this structure, the controller 5 includes the plate member 51, the second connecting member 55, and the third connecting member 56, the plate member 51, the second connecting member 55, and the third connecting member 56 are electrically connected to each other, the plate member 51 is provided on the mount 3, the plate member 51 and the second seat plate 12 are connected by the second connecting member 55, at least a part of the second connecting member 55 is deformable, the plate member 51 and the coil 4 are connected by the third connecting member 56, and at least a part of the third connecting member 56 is deformable.

The second connecting member 55 is located at an end of the plate member 51 facing the second seat plate 12, and the third connecting member 56 is located at an end of the plate member 51 facing the first seat plate 11.

The second connecting piece 55 and the third connecting piece 56 are also driving circuit boards, and at least a part of the second connecting piece 55 and the third connecting piece 56 can deform, so that the electric connection among the coil 4, the second connecting piece 55, the third connecting piece 56 and the plate 51 can not be affected during deformation, and the normal operation of the anti-shake function of the anti-shake holder structure can be ensured when shake occurs.

In the present embodiment, the second connection member 55 has the same structure as the first connection member 52 described above, but the second connection member 55 is not directly connected to the coil 4, and the coil 4 is directly connected by the third connection member 56. The third connecting member 56 is integrally provided with the plate member 51.

In this case, the position sensor 53 may be provided on the third link 56, and if the vibration sensor 54 is provided, the vibration sensor 54 may be provided on the plate 51 or the second link 55.

Since the present embodiment is a lamp, a heat sink 9 is also provided on the bottom surface of the plate member 51 for dissipating heat from the plate member 51 and the light emitting element 6. A first elastic member 7 is provided to assist in realizing an anti-shake function.

Further, since there is no relative movement between the lens and the light emitting element 6, no change in the brightness of the lamp light is caused when shaking occurs.

The present embodiment also provides a similar lamp using the anti-shake pan-tilt structure, which is different from the above lamp in that the third connecting member 56 and the plate member 51 may be separately disposed, and the second elastic member 8 is disposed to replace the first elastic member 7 of the above lamp.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. An anti-shake tripod head structure, comprising:

a fixing seat;

the magnetic piece is arranged on the fixed seat;

and the controller is electrically connected with the coil.

2. The anti-shake pan-tilt structure of claim 1, wherein:

3. The anti-shake pan-tilt structure of claim 2, wherein:

4. The anti-shake pan-tilt structure of claim 2, wherein:

5. The anti-shake pan-tilt structure of claim 2, wherein:

6. The anti-shake pan-tilt structure of claim 1, wherein:

7. The anti-shake pan-tilt structure of claim 1, wherein:

8. The anti-shake tripod head structure according to claim 6, wherein:

9. The anti-shake head structure of claim 2, further comprising:

10. The anti-shake pan-tilt structure of claim 1, further comprising: