CN114546123B - Walking motion sensing device for VR equipment - Google Patents

Walking motion sensing device for VR equipment Download PDF

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Publication number
CN114546123B
CN114546123B CN202210298379.3A CN202210298379A CN114546123B CN 114546123 B CN114546123 B CN 114546123B CN 202210298379 A CN202210298379 A CN 202210298379A CN 114546123 B CN114546123 B CN 114546123B
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disc
opening
fixedly connected
running belt
end surface
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CN114546123A (en
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黎娅
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Chongqing College of Electronic Engineering
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Chongqing College of Electronic Engineering
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/20—Input arrangements for video game devices
    • A63F13/21—Input arrangements for video game devices characterised by their sensors, purposes or types
    • A63F13/212—Input arrangements for video game devices characterised by their sensors, purposes or types using sensors worn by the player, e.g. for measuring heart beat or leg activity
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/20—Input arrangements for video game devices
    • A63F13/24—Constructional details thereof, e.g. game controllers with detachable joystick handles
    • A63F13/245—Constructional details thereof, e.g. game controllers with detachable joystick handles specially adapted to a particular type of game, e.g. steering wheels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0638—Displaying moving images of recorded environment, e.g. virtual environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/012—Walk-in-place systems for allowing a user to walk in a virtual environment while constraining him to a given position in the physical environment

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

A walking motion sensing device for VR equipment is characterized in that a plurality of pressure sensors or travel sensors driven by foot treads are distributed on the outer ring of a running belt; the pressure sensors or the travel sensors are distributed in an annular shape, and the running belt can be arranged in the annular pressure sensors or the travel sensors in a rotating mode. The running belt is adopted as a walking simulation basis, so that good walking motion feedback of a user is maintained; on the basis, the accurate steering of the running belt is realized by foot control according to the step action of the user during the real steering; the invention adopts the pressing plate structure, and can realize three working modes; when the pressing plate is vertically upwards, the working mode is a free tilting working mode; when the pressure plate is kept horizontal, the steering mode is a level ground walking steering mode; when the rotation angles of the two pressing plates are different, the walking mode is an upward/downward slope walking mode.

Description

Walking motion sensing device for VR equipment
Technical Field
The invention relates to the technical field of VR equipment, in particular to a walking motion sensing device for VR equipment.
Background
The virtual reality technology VR comprises a computer, electronic information and a simulation technology, and the basic implementation mode is that the computer simulates a virtual environment so as to bring the sense of environmental immersion to people. The immersive experience is divided into a non-interactive experience and a virtual environment interactive experience, and compared with the non-interactive experience, the virtual environment interactive experience enables a user to interact with the virtual environment through equipment such as data gloves, digital surgical knives, universal running machines and the like, the user at the moment can perceive the change of the virtual environment, and the user can control the virtual environment to do corresponding actions through the action of reality, so that various experiences possibly generated in the corresponding real world can be generated.
The universal running machine is used as the most important somatosensory and control equipment, so that a user can complete actions such as walking, running, turning, jumping and the like in the virtual world, a basic control instruction of the virtual world is generated, and the functions and the positions of the universal running machine are not replaced.
CN112402942a discloses an invention patent named as a VR game machine of an omnidirectional running platform by adopting a shoulder and back rod device, which adopts a running belt to simulate and collect electric signals of the forward and backward movement of a user, and adopts a shoulder and back rod to collect turning signals of the user; the running belt has the advantages that the running belt collects forward and backward signals of a user and gives the user good somatosensory feedback, and the somatosensory feedback of the user is closer to the somatosensory of a real running when the VR glasses are matched; the utility model has the advantages that 1, the human body turns to the step when turning around, the turning signal of the human body when the shoulder and back poles collect. In practical use, the specific steering angle is determined not to be the rotation amplitude of the human body, but to be the angle of the first step stepped when the steering is performed, the signal acquisition of the shoulder and back rod is inaccurate, the requirement of accurate steering cannot be met, and the correction can be performed to a certain extent through an AI algorithm, but the problem cannot be solved; 2. the rotating force of the shoulder and back rod is transmitted by the rotating force of the human body, the upper body of the user needs to be fixed, the user can be given a resistance sense when the user turns, and the user can be blocked when other actions are completed.
Disclosure of Invention
The invention aims to provide a walking motion sensing device for VR equipment, which adopts a simple structure, uses feet to control steering on the basis of a running belt, realizes accurate steering, and provides good walking motion sensing for users.
The invention aims at realizing the technical scheme that the device comprises a running belt, wherein a plurality of pressure sensors or travel sensors driven by foot treads are distributed on the outer ring of the running belt; the pressure sensors or the travel sensors are annularly distributed, and the running belt is arranged in the annular pressure sensors or the travel sensors in a autorotation manner; let the running direction of the user be the front when the running belt is at the initial position.
Further, the running belt is arranged in the first disc, a first opening for installing the running belt is formed in the center of the first disc, and the rotating rollers of the running belt are rotatably arranged on two side walls opposite to the first opening;
the first disc is arranged in the second disc, a concentric disc-shaped second opening is formed in the center of the upper end face of the second disc, and the first disc is rotatably arranged in the second opening.
Further, the device also comprises a hemispherical rotating seat with a circular plane on the upper end surface, and the upper end surface of the rotating seat is fixedly connected with the lower end surface of the second disc; the rotating seat is internally and fixedly provided with a rotating motor, and a rotating shaft of the rotating motor sequentially penetrates through the upper end face of the rotating seat and the lower end face of the second disc and stretches into the second opening to be fixedly connected with the bottom end face of the first disc.
Further, the device also comprises a third disc, a concentric disc-shaped third opening is formed in the upper end face of the third disc, and the second disc is concentric with the third opening and is placed in the third opening; the diameter of the third opening is larger than that of the second disc, and the second disc can incline towards any direction in the third opening;
the center of the bottom end surface of the third opening is provided with a cylindrical fourth opening, the bottom end surface of the fourth opening is fixedly connected with one end of a tension spring, and the other end of the tension spring extends out of the fourth opening and is fixedly connected with the center of the bottom end surface of the rotating seat.
Further, the device also comprises a plurality of first telescopic rods, wherein the bottom end surfaces of the first telescopic rods are fixedly connected with the bottom end surface of the third opening and are uniformly distributed around the circle center of the third opening; the telescopic end of the first telescopic rod is vertically upwards, and a vibration unit for vibrating the bottom end surface of the rotating seat is installed at the end part.
Further, the device further comprises an inclination locking unit for fixing the front-rear inclination angle of the second disc.
Further, two mounting openings are formed in the top end face of the side wall of the third disc, the inclined locking unit comprises two pressing plates hinged to the bottom end face of the mounting openings and capable of rotating towards the circle center of the second disc under the drive of the micro motor, and the pressing plates are used for locking the front-back inclined angle of the second disc; when the running belt is at the initial position, the two pressing plates are respectively positioned in front of and behind the running belt; the length of the pressing plate is larger than the gap between the third disc and the second disc.
Further, the pressing plate comprises a first single plate and a second single plate, the upper end face of the first single plate is provided with a fifth opening, the second single plate is telescopically arranged in the fifth opening, a second telescopic rod is fixedly connected to the bottom end face of the fifth opening, and the telescopic end of the second telescopic rod is fixedly connected with the bottom end face of the second single plate; the length of the first single plate is smaller than the gap between the third disc and the second disc, and when the second single plate extends out of the maximum length of the first single plate, the length of the pressing plate is larger than the gap between the third disc and the second disc.
Further, one end of a limiting vertical plate is fixedly connected to the side wall of one side, far away from the second disc, of the first single plate, and the limiting vertical plate vertically extends downwards to the lower part of the bottom end face of the mounting opening; the outer side wall of the third disc is fixedly connected with a first installation seat, the first installation seat is located below the installation opening, the upper end face of the first installation seat is fixedly connected with a third telescopic rod, the telescopic end of the third telescopic rod is fixedly connected with a limiting transverse plate, and the limiting transverse plate is matched with a limiting vertical plate to limit the turning angle of the pressing plate.
Further, the inclined locking unit further comprises two locking blocks for clamping and locking the pressing plates, and the locking blocks correspond to the pressing plates one by one; the upper end face of the second disc is provided with a chute, an extension line of the central line of the chute penetrates through the circle center position of the second disc, the locking block is slidably arranged in the chute, a fourth telescopic rod is fixedly connected in one side wall of the chute, and the telescopic end of the fourth telescopic rod is fixedly connected with the locking block;
the locking block comprises a first locking block and a second locking block, and the first locking block is slidably arranged in the sliding groove and fixedly connected with the telescopic end of the fourth telescopic rod; one end of the second locking piece is fixedly connected to the top end of the first locking piece, an included angle formed by the second locking piece and the first locking piece is larger than or smaller than the third disc, and the other end of the second locking piece faces the third disc.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the running belt is adopted as a walking simulation basis, so that good walking motion feedback of a user is maintained; on the basis, the accurate steering of the running belt is realized by foot control according to the step action of the user during the real steering;
2. the invention adopts the multilayer embedded structure that the running belt is arranged in the first disc, the first disc is arranged in the second disc, and on the basis of ensuring the running belt to rotate, an installation basis is provided for the rotating seat, and the rotating seat can realize the inclination of a user at any angle; the invention can be used for VR game experience such as skiing, driving, body tilting, balance keeping and the like;
3. the invention adopts the pressing plate structure, and can realize three working modes; when the pressing plate is vertically upwards, the working mode is a free tilting working mode; when the pressure plate is kept horizontal, the steering mode is a level ground walking steering mode; when the rotation angles of the two pressing plates are different, the two pressing plates are in an ascending/descending walking mode; therefore, the pressing plate has more than three beneficial effects;
4. the invention adopts a locking block structure, and the first function of the locking block is to cooperate with the pressing plate to work so as to provide a stable structure for a flat ground walking steering mode and an up/down slope walking mode; the second function of the locking block is used for calibrating the second disc and the third disc, and when the two pressing plates are positioned at the horizontal position, the locking block pushes the pressing plates with the same stroke to realize calibration; the locking block has more than two beneficial effects.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic perspective view of the free tilting mode of operation of the present invention;
FIG. 2 is an exploded view of the installation of the tread belt, first and second discs;
FIG. 3 is a top view of the present invention;
FIG. 4 isbase:Sub>A sectional view A-A of FIG. 3;
FIG. 5 is an exploded view of the installation of the third disk and the second disk;
FIG. 6 is an assembled exploded view of the platen;
FIG. 7 is a schematic perspective view of the tilt lock unit;
FIG. 8 is a schematic view of a three-dimensional structure of the present invention in a level ground walking and turning mode of operation;
fig. 9 is a schematic perspective view of the present invention in the ascending/descending walking mode.
In the figure: 1. a running belt; 2. a sensor; 3. a first disc; 4. a first opening; 5. a second disc; 6. a second opening; 7. a rotating seat; 8. a rotating motor; 9. a third disc; 10. a third opening; 11. a fourth opening; 12. a tension spring; 13. a first telescopic rod; 14. a pressing plate; 15. a first veneer; 16. a second veneer; 17. a fifth opening; 18. a second telescopic rod; 19. a limiting vertical plate; 20. a first mount; 21. a third telescopic rod; 22. a limiting transverse plate; 23. a miniature motor; 24. a chute; 25. a fourth telescopic rod; 26. a locking block; 27. a first locking piece; 28. and a second locking piece.
Detailed Description
The invention is further described below with reference to the drawings and examples.
In the description of the embodiments of the present invention, 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 embodiments of the present invention 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 embodiments of the present invention. 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 describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
A walking motion sensing device for VR equipment, as shown in figure 1, comprises a running belt 11, wherein the outer ring of the running belt 1 is provided with a plurality of pressure sensors or travel sensors 2 driven by foot treads; the pressure sensors or the travel sensors 2 are annularly distributed, and the running belt 1 is rotatably arranged in the annular pressure sensors or the travel sensors 2; let the direction of running of the user be the front when the running belt 1 is at the initial position.
When the running belt is used, a user stands on the running belt to walk or run, when the user needs to turn according to the progress of a VR program, the user simulates the real turning pace, firstly, the user steps on the turning foot to the sensor in the pre-turning direction, the center of gravity of the user is transferred to the stepping foot, the triggered sensor sends an instruction to the control chip, the unique number of the triggered sensor is combined, the turning angle is searched in the database, then according to the current direction of the running belt, the control chip calculates the turning angle and the turning direction of the running belt, the control chip sends the calculated turning angle and the calculated turning direction to the turning motor, and the turning motor drives the running belt to finish the turning process. At this time, the user shifts the center of gravity back to the other foot, and finally, the user withdraws the stepping foot again to complete the whole steering process. The running belt is adopted as a walking simulation basis, so that good walking motion feedback of a user is maintained; on the basis, the accurate steering of the running belt is realized by foot control according to the step action of the user during the real steering;
as shown in fig. 1 and 2, the running belt 1 is installed in the first disc 3, a first opening 4 for installing the running belt is formed in the center of the first disc 3, and the rotating rollers of the running belt 1 are rotatably installed on two opposite side walls of the first opening 4; the first disc is arranged in the second disc 5, a concentric disc-shaped second opening 6 is formed in the center of the circle of the upper end face of the second disc 5, and the first disc 3 is rotatably arranged in the second opening 6.
Because the running belt is generally of a rectangular structure, the running belt is easy to collide with other structures during the re-steering, the first disc limits the rotating track of the running belt and provides a rotatably installed base for the rotating roller of the running belt; and a plurality of switches driven by foot treading can be designed on the upper end surface of the first disc and used for controlling and switching the working mode, resetting the running belt and other playing operations.
As shown in fig. 2, 3 and 4, the device further comprises a hemispherical rotating seat 7 with a circular plane on the upper end surface, wherein the upper end surface of the rotating seat 7 is fixedly connected with the lower end surface of the second disc 5; the rotating seat 7 is internally and fixedly provided with a rotating motor 8, and a rotating shaft of the rotating motor 8 sequentially penetrates through the upper end face of the rotating seat 7 and the lower end face of the second disc 5, and stretches into the second opening 6 to be fixedly connected with the bottom end face of the first disc 3.
The hemispherical rotating seat provides an installation space for the rotating motor and also provides an angle tilting function for the invention; the user stands on the running belt, and can incline at a plurality of angles such as left, right, front, back and the like by adjusting the position of the gravity center. The invention adopts the multi-layer embedded structure that the running belt is arranged in the first disc, the first disc is arranged in the second disc, the running belt is ensured to rotate, the installation foundation is provided for the rotating seat, the rotating seat can realize the inclination of a user at any angle, and the running belt can be used for VR game experiences such as skiing, driving, body inclination, balance keeping and the like.
As shown in fig. 4 and 5, the device further comprises a third disc 9, the upper end surface of the third disc 9 is provided with a concentric disc-shaped third opening 10, and the second disc 5 is concentric with the third opening 10 and is placed in the third opening 10; the diameter of the third opening 10 is larger than that of the second disk 5, and the second disk 5 can be inclined in any direction within the third opening 10; a cylindrical fourth opening 11 is formed at the center of the bottom end surface of the third opening 10, one end of a tension spring 12 is fixedly connected to the bottom end surface of the fourth opening 11, and the other end of the tension spring 12 extends out of the fourth opening 11 and is fixedly connected with the center of the bottom end surface of the rotating seat 7.
The third disc is used as the mounting base, provides a mounting base and a limiting function for the second disc and the rotating seat, and ensures the safety of the user because the user can only tilt in a safe angle range; the tension spring is connected with the third disc and the rotating seat, so that the rotating seat is always positioned at the center of the third disc and cannot deviate due to intense long-time movement.
As shown in fig. 5, the device further comprises a plurality of first telescopic rods 13, wherein the bottom end surfaces of the first telescopic rods 13 are fixedly connected with the bottom end surface of the third opening 10, and are uniformly distributed around the circle center of the third opening 10; the telescopic end of the first telescopic rod 13 is vertically upwards, and a vibration unit for vibrating the bottom end surface of the rotating seat 7 is arranged at the end part.
When needs provide the shock experience for the user, first telescopic link rises, makes vibrations unit keep pressure contact with the seat that rotates, and vibrations unit provides the shock experience for stepping on the user on the running belt.
As shown in fig. 5 and 7, the top end surface of the side wall of the third disc 9 is provided with two mounting openings, the tilt locking unit comprises two pressing plates 14 hinged on the bottom end surface of the mounting openings, and the pressing plates can rotate 180 degrees towards the center of the second disc 5 under the driving of the micro motor 23 and are used for locking the front-back tilt angle of the second disc 5; when the running belt 1 is at the initial position, the two pressing plates 14 are respectively positioned at the front and the rear of the running belt 1; the length of the pressing plate 14 is greater than the gap between the third disk 9 and the second disk 5.
The pressing plate provides three working modes for the invention, and can also solve the problem of inclination caused by the deviation of the gravity center when a user needs to turn or walk. As shown in fig. 8, when tilting is not required, the pressing plate is simultaneously pressed down to ensure that the balance of the rotating seat is not tilted; when tilting is required, the pressing plate is vertically upwards, and the rotating seat can tilt at any angle under the control of a user. As shown in fig. 9, when it is required to simulate the upward and downward slope walking, the pressing plates are first vertically upward, the user moves the center of gravity back and forth, and after the rotating seat is tilted to a desired angle, the two pressing plates are rotated downward, one pressing plate is located above the second disc to provide downward pressure, and the other pressing plate is located below the second disc to provide upward supporting force.
As shown in fig. 5 and 6, the pressing plate 14 includes a first single plate 15 and a second single plate 16, a fifth opening 17 is formed on an upper end surface of the first single plate 15, the second single plate 16 is telescopically installed in the fifth opening 17, a second telescopic rod 18 is fixedly connected to a bottom end surface of the fifth opening 17, and a telescopic end of the second telescopic rod 18 is fixedly connected to a bottom end surface of the second single plate 16; the length of the first single plate 15 is smaller than the gap between the third disc 10 and the second disc 5, and when the second single plate 16 extends out of the maximum length of the first single plate 15, the length of the pressing plate 14 is larger than the gap between the third disc 10 and the second disc 5.
The design of first veneer and second veneer is when the clamp plate needs to provide holding power, can roll into the below of second disc and stretch out again, and when the clamp plate needed to provide down pressure, the flexible different length of angle according to the slope of second veneer can guarantee to provide the pressure of pushing down for the second disc.
As shown in fig. 1 and 7, one end of a limiting vertical plate 19 is fixedly connected to the side wall of the first single plate 15, which is far away from the second disc 5, and the limiting vertical plate 19 vertically extends downwards to the lower part of the bottom end surface of the mounting opening; the outer side wall of the third disc 9 is fixedly connected with a first mounting seat 20, the first mounting seat 20 is located below the mounting opening, the upper end face of the first mounting seat 20 is fixedly connected with a third telescopic rod 21, the telescopic end of the third telescopic rod 21 is fixedly connected with a limiting transverse plate 22, and the limiting transverse plate 22 is matched with a limiting vertical plate 19 to limit the overturning angle of the pressing plate 14.
Because the power of the pressing plate is provided by the micro motor, when the position of the pressing plate needs to be locked, the resistance of the pressing plate is possibly insufficient, and therefore the telescopic limiting transverse plate and the rotatable limiting vertical plate are designed, and when the position needs to be kept, the limiting transverse plate is positioned above the limiting vertical plate, and the limiting vertical plate is limited to continue to rotate. In the rotation process, the limiting transverse plate firstly ascends, and a rotation space is reserved for the limiting vertical plate.
As shown in fig. 3, 4 and 5, the tilt locking unit further includes two locking blocks 26 for clamping and locking the pressing plate 14, where the locking blocks 26 are in one-to-one correspondence with the pressing plate 14; a chute 24 is formed in the upper end face of the second disc 5, an extension line of the central line of the chute 24 penetrates through the circle center position of the second disc 5, a locking block 26 is slidably arranged in the chute 24, a fourth telescopic rod 25 is fixedly connected in one side wall of the chute 24, and a telescopic end 25 of the fourth telescopic rod is fixedly connected with the locking block 26; the locking block 26 comprises a first locking block 27 and a second locking block 28, and the first locking block 27 is slidably arranged in the chute 24 and fixedly connected with the telescopic end of the fourth telescopic rod 25; one end of the second locking piece 28 is fixedly connected to the top end of the first locking piece 27, and an included angle formed between the second locking piece 28 and the first locking piece 27 is larger than 90 degrees and smaller than 180 degrees, and the other end of the second locking piece 28 faces the third disc 9.
The first function of the locking block is that under the limitation of the two groups of limiting transverse plates and limiting vertical plates, the locking block is combined to be clamped on the upper side of the pressing plate, so that the rotating inclined state can be further ensured, and the user can ensure that the inclined angle is unchanged when walking violently. Moreover, the second function of the locking block is to calibrate the second disc and the third disc, and when the two pressing plates are in the horizontal position, the locking block pushes the pressing plates with the same stroke to realize calibration.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims (9)

1. The walking motion sensing device for the VR equipment comprises a running belt (1), and is characterized in that a plurality of pressure sensors or stroke sensors (2) driven by foot treading are distributed on the outer ring of the running belt (1); the pressure sensors or the travel sensors (2) are annularly distributed, and the running belt (1) can be arranged in the annular pressure sensors or the travel sensors (2) in a rotating way; setting the running direction of the user as the front when the running belt (1) is at the initial position;
the running belt (1) is arranged in the first disc (3), a first opening (4) for installing the running belt is formed in the center position of the first disc (3), and rotating rollers of the running belt (1) are rotatably arranged on two opposite side walls of the first opening (4);
the first disc (3) is arranged in the second disc (5), a concentric disc-shaped second opening (6) is formed in the center position of the upper end face of the second disc (5), and the first disc (3) is rotatably arranged in the second opening (6).
2. The walking motion sensing device for VR equipment according to claim 1, further comprising a hemispherical rotating seat (7) with a circular plane on the upper end surface, wherein the upper end surface of the rotating seat (7) is fixedly connected with the lower end surface of the second disc (5); the rotating seat (7) is internally and fixedly provided with a rotating motor (8), and a rotating shaft of the rotating motor (8) sequentially penetrates through the upper end face of the rotating seat (7) and the lower end face of the second disc (5) and stretches into the second opening (6) to be fixedly connected with the bottom end face of the first disc (3).
3. The walking motion sensing device for VR equipment according to claim 2, further comprising a third disc (9), wherein the upper end surface of the third disc (9) is provided with a concentric disc-shaped third opening (10), and the second disc (5) is concentric with the third opening (10) and is placed in the third opening (10); the diameter of the third opening (10) is larger than that of the second disc (5), and the second disc (5) can incline towards any direction in the third opening (10);
a cylindrical fourth opening (11) is formed in the center of the bottom end surface of the third opening (10), one end of a tension spring (12) is fixedly connected to the bottom end surface of the fourth opening (11), and the other end of the tension spring (12) extends out of the fourth opening (11) and is fixedly connected with the center of the bottom end surface of the rotating seat (7).
4. A walking motion sensing device for VR equipment as set forth in claim 3, further comprising a plurality of first telescopic rods (13), wherein the bottom end surfaces of the first telescopic rods (13) are fixedly connected to the bottom end surface of the third opening (10) and uniformly distributed around the center of the third opening (10); the telescopic end of the first telescopic rod (13) is vertically upwards, and a vibration unit for vibrating the bottom end surface of the rotating seat (7) is arranged at the end part.
5. A walking motion sensing device for a VR device as set forth in claim 3, further comprising an inclination locking unit for fixing the front and rear inclination angle of the second disc (5).
6. The walking motion sensing device for VR equipment according to claim 5, characterized in that the top end surface of the side wall of the third disc (9) is provided with two mounting openings, the tilt locking unit comprises two pressing plates (14) hinged on the bottom end surface of the mounting openings, and the pressing plates can rotate 180 degrees towards the center of the second disc (5) under the drive of a micro motor (23) and are used for locking the front-back tilt angle of the second disc (5); when the running belt (1) is at the initial position, the two pressing plates (14) are respectively positioned in front of and behind the running belt (1); the length of the pressing plate (14) is larger than the gap between the third disc (9) and the second disc (5).
7. The walking motion sensing device for VR equipment as set forth in claim 6, characterized in that said pressing plate (14) comprises a first single plate (15) and a second single plate (16), a fifth opening (17) is opened on the upper end surface of the first single plate (15), the second single plate (16) is retractably installed in the fifth opening (17), a second telescopic rod (18) is fixedly connected on the bottom end surface of the fifth opening (17), and the telescopic end of the second telescopic rod (18) is fixedly connected with the bottom end surface of the second single plate (16); the length of the first single plate (15) is smaller than the gap between the third disc (10) and the second disc (5), and when the second single plate (16) extends out of the maximum length of the first single plate (15), the length of the pressing plate (14) is larger than the gap between the third disc (10) and the second disc (5).
8. The walking motion sensing device for VR equipment according to claim 7, characterized in that one end of a limiting vertical plate (19) is fixedly connected to the side wall of one side of the first single plate (15) far away from the second disc (5), and the limiting vertical plate (19) extends vertically downwards to the lower part of the bottom end face of the mounting opening; the outer side wall of the third disc (9) is fixedly connected with a first installation seat (20), the first installation seat (20) is located below the installation opening, the upper end face of the first installation seat (20) is fixedly connected with a third telescopic rod (21), the telescopic end of the third telescopic rod (21) is fixedly connected with a limiting transverse plate (22), and the limiting transverse plate (22) is matched with a limiting vertical plate (19) to limit the overturning angle of the pressing plate (14).
9. The walking motion sensing device for VR apparatus as set forth in claim 8, wherein said tilt lock unit further comprises two lock blocks (26) for locking the pressing plates (14) by clipping, the lock blocks (26) being in one-to-one correspondence with the pressing plates (14); a chute (24) is formed in the upper end face of the second disc (5), an extension line of the central line of the chute (24) penetrates through the circle center position of the second disc (5), a locking block (26) is slidably arranged in the chute (24), a fourth telescopic rod (25) is fixedly connected in one side wall of the chute (24), and a telescopic end (25) of the fourth telescopic rod is fixedly connected with the locking block (26);
the locking block (26) comprises a first locking block (27) and a second locking block (28), and the first locking block (27) is slidably arranged in the sliding groove (24) and fixedly connected with the telescopic end of the fourth telescopic rod (25); one end of the second locking piece (28) is fixedly connected to the top end of the first locking piece (27), an included angle formed by the second locking piece (28) and the first locking piece (27) is larger than 90 degrees and smaller than 180 degrees, and the other end of the second locking piece (28) faces the third disc (9).
CN202210298379.3A 2022-03-24 2022-03-24 Walking motion sensing device for VR equipment Active CN114546123B (en)

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