CN209808920U - Differential wheel type vertigo treatment swivel chair - Google Patents
Differential wheel type vertigo treatment swivel chair Download PDFInfo
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- CN209808920U CN209808920U CN201822215778.0U CN201822215778U CN209808920U CN 209808920 U CN209808920 U CN 209808920U CN 201822215778 U CN201822215778 U CN 201822215778U CN 209808920 U CN209808920 U CN 209808920U
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Abstract
The utility model discloses a differential wheel type vertigo treatment swivel chair, which comprises a frame, a rotating frame, a differential wheel A and a differential wheel B; the rack is fixedly provided with a limiting wheel, and the differential wheel A and the differential wheel B are connected with the rack through the limiting wheel; the upper end and the lower end of the rotating frame are respectively connected with the differential wheel A and the differential wheel B through a friction wheel and a supporting wheel; the differential wheel A and the differential wheel B rotate relative to the frame through a first transmission mechanism and a second transmission mechanism respectively; the restriction of a rotary power supply device is eliminated, namely, a conductive slip ring is omitted; all electrical components are arranged on the frame, so that the problem of long-term vibration damage of electrical parts mounted on the rotating component is solved.
Description
Technical Field
The utility model belongs to the technical field of medical instrument technique and specifically relates to a differential wheel formula vertigo treatment swivel chair.
Background
The vestibule is a main organ for human body balance, an important structure in the vestibule for sensing head position change is a semicircular canal which is divided into a horizontal semicircular canal, an upper semicircular canal and a rear semicircular canal, planes of the horizontal semicircular canal, the upper semicircular canal and the rear semicircular canal are perpendicular to each other, and head position change of different planes is sensed. When the posture of a human body changes, the stimulation intensity of different semicircular canals is different, and when the stimulation on two sides is unbalanced, the eye shake occurs, and the direction of the eye shake faces to one side of the strong stimulation. Therefore, corresponding semicircular canals can be stimulated through the acceleration or deceleration rotation of different semicircular canal planes, so that the balance condition of the function of the vestibules at both sides and the corresponding function condition of the semicircular canals can be known through the examination of the eye shock when the acceleration or deceleration rotation of different directions and different planes is carried out; the vertigo chair is a device used for fixing a human body to perform function detection of the semicircular canal so as to evaluate the function of the vestibule.
For example, chinese patent CN2015207538496 discloses a gear type vertigo diagnosis and treatment system, which comprises a frame, a revolution device, a positioning device, a rotation device and a seat; the positioning device is arranged on the frame, and the revolution device, namely the circular ring-shaped gear ring, rolls and operates under the limitation of the positioning device; the rotation device is in transmission connection with the gear through a worm gear reducer arranged at the bottom of the seat. The following disadvantages exist in the above patents: 1. the rotating motion part is provided with an electric appliance such as a motor, a cable and a sensor, the revolution mechanism is easy to generate electromagnetic interference when rotating, but the requirement of the medical appliance on the electromagnetic interference is strict; 2. a rotation motor is arranged on a rotation motion part, a rotation power supply device is required to be arranged at the revolution center, and the rotation power supply device is required to be installed with high precision and is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the utility model aims to solve is to solve the long-term vibration damage of the electrical parts on the rotary motion part aiming at the deficiencies in the prior art, break away from a poor driving wheel formula vertigo treatment swivel chair of rotary power supply unit's restriction problem.
The utility model provides a technical scheme that its technical problem adopted is: a differential wheel type vertigo treating swivel chair comprises a frame, a swivel mount, a differential wheel A and a differential wheel B; the rack is fixedly provided with a limiting wheel, and the differential wheel A and the differential wheel B are connected with the rack through the limiting wheel; the upper end and the lower end of the rotating frame are respectively connected with the differential wheel A and the differential wheel B through a friction wheel and a supporting wheel; the differential wheel a and the differential wheel B rotate relative to the frame via a first transmission mechanism and a second transmission mechanism, respectively.
The first transmission mechanism comprises a driving wheel A, a motor gear A and a transmission gear A; the driving wheel A is closely matched with the outer surface of the differential wheel A, the motor A is connected with the motor gear A, the motor gear A drives the transmission gear A, the transmission gear A drives the driving wheel A, and the driving wheel A enables the differential wheel A to rotate through friction force.
The transmission gear A is connected with the shaft of the driving wheel A through a flat key; the motor A is connected with the motor gear A through a flat key; the transmission gear A and the motor gear A are in gear transmission.
The second transmission mechanism comprises a driving wheel B, a motor gear B and a transmission gear B; the driving wheel B is tightly matched with the outer surface of the differential wheel B, the motor B is connected with the motor gear B, the motor gear B drives the transmission gear B, the transmission gear B is connected with the driving wheel B, and the driving wheel A enables the differential wheel B to rotate through friction force.
The transmission gear B is connected with the shaft of the driving wheel B through a flat key; the motor B is connected with the motor gear B through a flat key; the transmission gear B and the motor gear B are in gear transmission.
The friction wheel is arranged between the differential wheel A and the differential wheel B, and the symmetrical positions of the two sides of the concave outer surface of the friction wheel are respectively in close fit with the outer surfaces of the differential wheel A and the differential wheel B.
And the symmetrical positions on two sides of the concave outer surface of the supporting wheel are respectively and tightly matched with the outer surfaces of the differential wheel A and the differential wheel B.
And a bearing is arranged between the outer surface of the supporting wheel and the central shaft of the supporting wheel, and the central shaft of the supporting wheel is fixedly connected with the top of the rotating frame.
The outer surface of the limiting wheel is an inward concave arc surface, and the outer surface of the limiting wheel is tightly matched with the outer surfaces of the differential wheel A and the differential wheel B.
The outer surface of the limiting wheel is made of polyurethane or rubber.
Compared with the prior art, the beneficial effects of the utility model are that: when the motor A and the motor B simultaneously run in the positive direction at the same speed, the differential wheel A and the differential wheel B simultaneously run in the positive direction at the same speed to drive the rotating frame and the patient to turn in the positive direction; similarly, when the motor A and the motor B simultaneously run in the negative direction at the same speed, the rotating frame and the patient turn over in the negative direction; when the motor A runs in the positive direction and the motor B runs in the negative direction at the same speed, the differential wheel A runs in the positive direction, the differential wheel B runs in the negative direction, and the friction wheel rotates in the positive direction to drive the rotating frame and the patient to rotate in the positive direction; similarly, when the motor A runs towards the negative direction and the motor B runs towards the positive direction at the same speed, the friction wheel rotates towards the negative direction to drive the rotating frame and the patient to rotate towards the negative direction; when the motor A and the motor B have speed difference, the rotating frame and the patient do overturning and autorotation motions simultaneously.
The restriction of a rotary power supply device is eliminated, namely, a conductive slip ring is omitted; all electrical components are arranged on the frame, so that the problem of long-term vibration damage of electrical components mounted on the rotating component is solved, the problem of electromagnetic emission interference generated by movement of the electrical components is solved, meanwhile, the mass and the movement inertia of a rotor of the vertigo treatment swivel chair are small, the weight of the whole machine is reduced, the floor area of the vertigo treatment swivel chair is reduced, and the vertigo treatment swivel chair is light.
Drawings
Fig. 1 is a schematic diagram of a front right three-dimensional structure of the present invention;
fig. 2 is a schematic view of the left front three-dimensional structure of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a cross-sectional view of the present invention;
FIG. 5 is a partial enlarged view of A in FIG. 4;
fig. 6 is a partial enlarged view of B in fig. 4.
In the drawings: 1-a rack, 21-a differential wheel A, 22-a differential wheel B, 31-a driving wheel A, 32-a driving wheel B, 41-a limiting wheel A, 42-a limiting wheel B, 43-a limiting wheel C, 44-a limiting wheel D, 51-a motor A, 52-a motor gear A, 53-a transmission gear A, 61-a friction wheel, 62-a supporting wheel, 7-a rotating frame, 8-a patient, 91-a motor B, 92-a motor gear B, 93-a transmission gear B.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-6, a differential wheel vertigo treating swivel chair comprises a frame 1, a swivel bracket 7, a differential wheel a21 and a differential wheel B22; a limiting wheel is fixedly arranged on the machine frame 1, and the differential wheel A21 and the differential wheel B22 are connected with the machine frame 1 through the limiting wheel; the upper end and the lower end of the rotating frame 7 are respectively connected with the differential wheel A and the differential wheel B through a friction wheel 61 and a supporting wheel 62; the differential wheel a21 and differential wheel B22 are rotated relative to the frame 1 by a first gear and a second gear, respectively.
The first transmission mechanism comprises a driving wheel A31, a motor A51, a motor gear A52 and a transmission gear A53; the action wheel a31 with the surface of differential wheel a21 closely cooperates, motor a51 with motor gear a52 is connected, motor gear a52 drives drive gear a53, drive gear a53 drives action wheel a31, action wheel a31 makes through frictional force differential wheel a21 is rotatory.
The transmission gear A53 is connected with the shaft of the driving wheel A31 through a flat key; the motor A51 and the motor gear A52 are connected through a flat key; the transmission gear A53 and the motor gear A52 are in gear transmission.
The second transmission mechanism comprises a driving wheel B32, a motor B91, a motor gear B92 and a transmission gear B93; the driving wheel B32 is closely matched with the outer surface of the differential wheel B22, the motor B91 is connected with the motor gear B92, the motor gear B92 drives the transmission gear B93, the transmission gear B93 is connected with the driving wheel B32, and the driving wheel A31 enables the differential wheel B22 to rotate through friction force.
The transmission gear B93 is connected with the shaft of the driving wheel B32 through a flat key; the motor B91 and the motor gear B92 are connected through a flat key; the transmission gear B93 and the motor gear B92 are in gear transmission.
The friction wheel 61 is disposed intermediate the differential wheel a21 and the differential wheel B22, and the concave outer surface of the friction wheel 61 is bilaterally symmetrically positioned to mate with the outer surfaces of the differential wheel a21 and the differential wheel B22, respectively.
The concave outer surface of support wheel 62 is bilaterally symmetrically positioned to mate with the outer surfaces of differential wheel a21 and differential wheel B22, respectively.
A bearing is arranged between the outer surface of the supporting wheel 62 and the central shaft of the supporting wheel 62, and the central shaft of the supporting wheel 62 is fixedly connected with the top of the rotating frame 7.
The outer surface of the limiting wheel is an inward concave arc surface, and the outer surface of the limiting wheel is tightly matched with the outer surfaces of the differential wheel A21 and the differential wheel B22.
The outer surface of the limiting wheel is made of polyurethane or rubber; polyurethane or rubber is adopted to increase the friction force with the differential wheel A21 and the differential wheel B22 and buffer and absorb shock; on the other hand, the fault tolerance of the differential wheel A21 and the differential wheel B22 is improved, and the machining requirement on the surface of the differential wheel is reduced.
In the above embodiment, differential wheel a21 and differential wheel B22 are steel round tubes.
In the above embodiment, the spacing wheel includes a spacing wheel a41, a spacing wheel B42, a spacing wheel C43, and a spacing wheel D44, which are all fixedly mounted on the frame 1, wherein the spacing wheel a41 and the spacing wheel B42 are disposed on one side of the frame 1; the spacing wheel C43 and the spacing wheel D44 are arranged on the other side of the machine frame 1 and are symmetrical to the spacing wheel A41 and the spacing wheel B42.
In the above embodiment, when the motor a51 and the motor B91 simultaneously operate in the forward direction at the same speed, the differential wheel a21 and the differential wheel B22 simultaneously operate in the forward direction at the same speed, and drive the rotating frame 7 and the patient 8 to turn in the forward direction; similarly, when motor a51 and motor B91 are simultaneously operating in the negative direction at the same rate, the gantry 7 and patient 8 are flipped in the negative direction; when the motor A51 runs towards the positive direction and the motor B91 runs towards the negative direction at the same speed, the differential wheel A21 runs towards the positive direction, the differential wheel B22 runs towards the negative direction, and the friction wheel 61 rotates towards the positive direction to drive the rotating frame 7 and the patient 8 to rotate towards the positive direction; similarly, when the motor A51 runs towards the negative direction and the motor B91 runs towards the positive direction, the speed of the motor B91 is the same, the friction wheel 61 rotates towards the negative direction, and the rotating frame 7 and the patient 8 are driven to rotate towards the negative direction; when the speed difference exists between the motor A51 and the motor B91, the rotating frame 7 and the patient 8 do the overturning and rotating motions simultaneously.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A differential wheel type vertigo treatment swivel chair is characterized in that: the differential wheel type vertigo treatment swivel chair comprises a rack (1), a rotating frame (7), a differential wheel A (21) and a differential wheel B (22); a limit wheel is fixedly arranged on the rack (1), and the differential wheel A (21) and the differential wheel B (22) are connected with the rack (1) through the limit wheel; the upper end and the lower end of the rotating frame (7) are respectively connected with the differential wheel A and the differential wheel B through a friction wheel (61) and a supporting wheel (62); the differential wheel A (21) and the differential wheel B (22) are rotated relative to the machine frame (1) by means of a first transmission mechanism and a second transmission mechanism, respectively.
2. The differential wheeled vertigo treatment swivel chair of claim 1, wherein: the first transmission mechanism comprises a driving wheel A (31), a motor A (51), a motor gear A (52) and a transmission gear A (53); action wheel A (31) with the surface of differential wheel A (21) closely cooperates, motor A (51) with motor gear A (52) are connected, motor gear A (52) drive gear A (53), drive gear A (53) drive action wheel A (31), action wheel A (31) make through frictional force differential wheel A (21) is rotatory.
3. The differential wheeled vertigo treatment swivel chair of claim 2, wherein: the transmission gear A (53) is connected with the shaft of the driving wheel A (31) through a flat key; the motor A (51) is connected with the motor gear A (52) through a flat key; the transmission gear A (53) and the motor gear A (52) are in gear transmission.
4. The differential wheeled vertigo treatment swivel chair of claim 3, wherein: the second transmission mechanism comprises a driving wheel B (32), a motor B (91), a motor gear B (92) and a transmission gear B (93); the driving wheel B (32) is tightly matched with the outer surface of the differential wheel B (22), the motor B (91) is connected with the motor gear B (92), the motor gear B (92) drives the transmission gear B (93), the transmission gear B (93) is connected with the driving wheel B (32), and the driving wheel A (31) enables the differential wheel B (22) to rotate through friction force.
5. The differential wheeled vertigo treatment swivel chair of claim 4, wherein: the transmission gear B (93) is connected with the shaft of the driving wheel B (32) through a flat key; the motor B (91) is connected with the motor gear B (92) through a flat key; the transmission gear B (93) and the motor gear B (92) are in gear transmission.
6. The differential wheeled vertigo treatment swivel chair of claim 1, wherein: the friction wheel (61) is arranged between the differential wheel A (21) and the differential wheel B (22), and the two symmetrical positions of the concave outer surface of the friction wheel (61) are respectively in close fit with the outer surfaces of the differential wheel A (21) and the differential wheel B (22).
7. The differential wheeled vertigo treatment swivel chair of claim 1, wherein: the two symmetrical positions of the two sides of the concave outer surface of the supporting wheel (62) are respectively and tightly matched with the outer surfaces of the differential wheel A (21) and the differential wheel B (22).
8. The differential wheeled vertigo treatment swivel chair of claim 1, wherein: a bearing is arranged between the outer surface of the supporting wheel (62) and the central shaft of the supporting wheel (62), and the central shaft of the supporting wheel (62) is fixedly connected with the top of the rotating frame (7).
9. The differential wheeled vertigo treatment swivel chair of claim 1, wherein: the outer surface of the limiting wheel is an inward concave arc surface, and the outer surface of the limiting wheel is tightly matched with the outer surfaces of the differential wheel A (21) and the differential wheel B (22).
10. The differential wheeled vertigo treatment swivel chair of claim 2, wherein: the outer surface of the limiting wheel is made of polyurethane or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215778.0U CN209808920U (en) | 2018-12-27 | 2018-12-27 | Differential wheel type vertigo treatment swivel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215778.0U CN209808920U (en) | 2018-12-27 | 2018-12-27 | Differential wheel type vertigo treatment swivel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209808920U true CN209808920U (en) | 2019-12-20 |
Family
ID=68870025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215778.0U Active CN209808920U (en) | 2018-12-27 | 2018-12-27 | Differential wheel type vertigo treatment swivel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209808920U (en) |
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2018
- 2018-12-27 CN CN201822215778.0U patent/CN209808920U/en active Active
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