CN218923761U

CN218923761U - VR is compound actuating mechanism for dynamic regulation

Info

Publication number: CN218923761U
Application number: CN202221763899.9U
Authority: CN
Inventors: 许成龙; 张吉权; 颜小龙
Original assignee: Xuzhou Topow Interactive Intelligent Technology Co ltd
Current assignee: Xuzhou Topow Interactive Intelligent Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-04-28
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a compound driving mechanism for VR dynamic adjustment, which comprises: a linear driving mechanism; the linear driving mechanism comprises a low auxiliary assembly driven by the power piece, wherein at least two rotary pairs exist in the low auxiliary assembly, and the low auxiliary assembly outputs one linear degree of freedom outwards, and the linear degree of freedom is circularly output from bottom to top to realize feeding adjustment; the linear driving mechanism provided by the utility model can replace a cylinder type linear driving part of the traditional VR dynamic equipment; the linear driving mechanism adopts mechanical reciprocating linear driving, changes the linear motion track from the straight line of the traditional technology into a smooth sinusoidal curve through a mechanical linkage mode, has natural smoothness, improves entertainment sense and reduces abrupt sense for the traditional entertainment equipment, synchronously improves the technical defects of poor bearing capacity and small stroke adjusting range of the traditional cylinder driving, and effectively meets the practical requirement of the equipment.

Description

VR is compound actuating mechanism for dynamic regulation

Technical Field

The utility model relates to the technical field of VR dynamic equipment, in particular to a compound driving mechanism for VR dynamic adjustment.

Background

The VR dynamic experience device is widely applied to entertainment industries such as VR cinema, commercial game machines and the like, and can bring spectators into virtual motion scenes by combining VR film and video pictures and special effects, so as to bring real experience of the spectators on the scene; the equipment essentially belongs to a deformation and transfer of a parallel robot, a parallel mechanism is used as a carrier, and a linear shaft and a rotating shaft are combined to form a closed moving chain; the more the number of the linear axes is, the more flexible and diversified dynamic experience can be felt by the experimenter;

as can be seen from the above description, such a device is essentially applied in the field of parallel robots, and the "linear axis" is generally a cylinder type telescopic member such as a servo cylinder or an air cylinder, which has high precision in the fields of chemistry, biology, etc., but when the whole device is applied in the VR dynamic experience field, the linear driving mode is a stiff linear reciprocating motion, so that the user cannot effectively experience smooth body feeling; meanwhile, the bearing capacity, the speed and the formation adjustment range are small, the abrupt sense is particularly remarkable, and the actual experience effect is not ideal.

For this reason, a compound driving mechanism for VR dynamic adjustment is proposed.

Disclosure of Invention

Accordingly, embodiments of the present utility model desirably provide a VR dynamic adjustment compound driving mechanism to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice;

the technical scheme of the embodiment of the utility model is realized as follows: a VR is dynamic to be adjusted with compound actuating mechanism, includes: a linear driving mechanism;

the linear driving mechanism comprises a low auxiliary assembly driven by the power piece, wherein at least two rotary pairs exist in the low auxiliary assembly, and the low auxiliary assembly outputs one linear degree of freedom outwards, and the linear degree of freedom is circularly output from bottom to top to realize feeding adjustment;

the output end of the linear degree of freedom is connected with a driven piece to be matched through a hinging assembly, and angle adjustment is achieved through linkage of the hinging assembly.

As a further preferred aspect of the present utility model: the low-side assembly is a crank rocker mechanism;

the crank rocker mechanism comprises a crank block and a rocker shaft; one end of the crank block is hinged with the rocker shaft through a pin shaft;

the power piece is the motor, the output shaft of motor with the other end fixed connection of crank piece, the top of rocker shaft is installed the hinge subassembly.

As a further preferred aspect of the present utility model: the hinge assembly comprises two joint forks and a cross head;

the two joint forks are hinged up and down through the cross head, and the joint fork positioned at the lower part is connected with the output end of the linear degree of freedom in a matching way.

As a further preferred aspect of the present utility model: the external surface fixedly connected with frame of power spare, the frame is used for fixed whole device in the external environment.

Compared with the prior art, the utility model has the beneficial effects that: the linear driving mechanism provided by the utility model can replace a cylinder type linear driving part of the traditional VR dynamic equipment; the linear driving mechanism adopts mechanical reciprocating linear driving, changes the linear motion track from the straight line of the traditional technology into a smooth sinusoidal curve through a mechanical linkage mode, has natural smoothness, improves entertainment sense and reduces abrupt sense for the traditional entertainment equipment, synchronously improves the technical defects of poor bearing capacity and small stroke adjusting range of the traditional cylinder driving, and effectively meets the practical requirement of the equipment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of another embodiment of the present utility model;

fig. 3 is a schematic view of the practical use state of the present utility model.

Reference numerals: 1. a linear driving mechanism; 101. a frame; 102. a power member; 2. a crank rocker mechanism; 201. a crank block; 202. a pin shaft; 203. a rocker shaft; 204. a yoke; 205. a cross head; 3. a top seat.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

It should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;

in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present utility model will be understood by those skilled in the art from the specification and drawings in combination with specific cases.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution: a VR is dynamic to be adjusted with compound actuating mechanism, includes: a linear driving mechanism 1;

VR dynamic equipment generally comprises a lower base (or replaced by the ground) and a top seat 3, wherein the traditional equipment is connected with the lower base through devices such as telescopic cylinders, the piston rods of the telescopic cylinders are connected with the bottom of the top seat 3, and a plurality of groups of telescopic cylinders are distributed in an annular array manner so as to control the top seat 3 to adjust pitch angle and inclination;

in the device, a plurality of groups of linear driving mechanisms 1 replace the traditional telescopic cylinder and are matched with a top seat 3;

the linear driving mechanism 1 comprises a low-auxiliary assembly driven by the power piece 102, wherein two rotary pairs exist in the low-auxiliary assembly, and the low-auxiliary assembly externally outputs one linear degree of freedom, and the linear degree of freedom is circularly output from bottom to top to realize feeding adjustment;

wherein, the low subassembly can be set as a crank rocker mechanism 2, the crank rocker mechanism 2 comprises a crank block 201 and a rocker shaft 203; one end of a crank block 201 is hinged with a rocker shaft 203 through a pin shaft 202; the power piece 102 is a motor, an output shaft of the motor is fixedly connected with the other end of the crank block 201, and a hinging assembly is arranged at the top of the rocker shaft 203;

when the motor rotates, the crank block 201 rotates in a full circle, and the rocker shaft 203 is located at the other end of the contact point between the crank block 201 and the motor output shaft, so that the rocker shaft 203 moves eccentrically, the rocker shaft 203 moves up and down in a reciprocating and swinging mode, the linear degree of freedom is further formed, and the movement track is formed into a sine curve shape due to the movement mode control of the crank block 201, namely:

S＝R*SINΦ

because of the natural smooth characteristic of the sinusoidal curve, the linear driving mechanisms at different positions and different angles made by the linear driving mechanism 1 can be well adapted to the top seat 3, the abrupt feeling and the hard feeling of the straight line driving in the traditional technology are improved, and the entertainment requirement can be better met; meanwhile, no rigid impact and sliding friction are generated in the operation process, the overload capacity is high, the safety coefficient is more than 10 times, and the fracture probability is close to zero;

meanwhile, the output end of the linear degree of freedom is connected with a driven piece to be matched through a hinging assembly, and angle adjustment is achieved through linkage of the hinging assembly; the hinge assembly includes two prongs 204 and a cross head 205; the two yoke 204 are hinged up and down through a cross head 205, and the yoke 204 positioned at the lower part is connected with the output end of the linear degree of freedom in a matching way; the upper part and the lower part are respectively hinged to the bottom of the footstock 3 to realize the additional three virtual constraints taking the revolute pair as the center, and the relative angle adjustment is carried out on the experienter, so that the human-computer interaction is realized through more real and more comprehensive somatosensory output, and the actual use requirement and the practical requirement thereof are effectively met.

In this embodiment, specific: the outer surface of the power piece 102 is fixedly connected with a frame 101, and the frame 101 is used for fixing the whole device in an external environment.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a dynamic regulation of VR is with compound actuating mechanism which characterized in that includes: a linear drive mechanism (1);

the linear driving mechanism (1) comprises a low auxiliary assembly driven by a power piece (102), wherein at least two rotary pairs exist in the low auxiliary assembly, and the low auxiliary assembly outputs one linear degree of freedom outwards, and the linear degree of freedom is circularly output from bottom to top to realize feeding adjustment;

2. The VR dynamic adjustment compound drive mechanism of claim 1, wherein: the low sub-assembly is a crank rocker mechanism (2);

the crank rocker mechanism (2) comprises a crank block (201) and a rocker shaft (203); one end of the crank block (201) is hinged with the rocker shaft (203) through a pin shaft (202);

the power piece (102) is a motor, an output shaft of the motor is fixedly connected with the other end of the crank block (201), and the hinge assembly is arranged at the top of the rocker shaft (203).

3. The VR dynamic adjustment compound drive mechanism of claim 1 or 2, wherein: the hinge assembly comprises two yoke (204) and a cross head (205);

the two yoke (204) are hinged up and down through the cross head (205), and the yoke (204) positioned at the lower part is connected with the output end of the linear degree of freedom in a matching way.

4. The VR dynamic adjustment compound drive mechanism of claim 3, wherein: the external surface of power spare (102) is fixedly connected with frame (101), frame (101) are used for fixed integral device in the external environment.