CN113018794A - Rotation stroke limiting device - Google Patents
Rotation stroke limiting device Download PDFInfo
- Publication number
- CN113018794A CN113018794A CN202110229910.7A CN202110229910A CN113018794A CN 113018794 A CN113018794 A CN 113018794A CN 202110229910 A CN202110229910 A CN 202110229910A CN 113018794 A CN113018794 A CN 113018794A
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- Prior art keywords
- hole
- block
- rotating
- base
- rotating shaft
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
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- 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
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention is suitable for the technical field of upper limb rehabilitation training limiting devices, and provides a rotation stroke limiting device, which comprises: the rotating shaft assembly comprises a rotating shaft, a limiting block and a base, the rotating shaft is arranged at the top of the base, the side surface of the base is provided with an installation block, and the side surface of the limiting block is provided with a buffering head installation hole; the rotating hole assembly comprises a rotating hole and a rotating hole main body, the rotating hole is arranged in the center of the rotating hole main body, an angle adjusting hole is formed in the outer side of the rotating hole, and an obstacle avoiding groove which corresponds to the limiting block is formed in the bottom of the rotating hole main body; and the adjusting block is arranged corresponding to the angle adjusting hole. Therefore, the upper limb training device is limited, so that the elbow lifting angle and the elbow relaxing angle can be limited when a patient rotates the elbow, secondary injury to the injured upper limb caused by insufficient strength in the rehabilitation training process is prevented, and the reliability of the upper limb training device is improved.
Description
Technical Field
The invention relates to the technical field of upper limb rehabilitation training limiting devices, in particular to a rotary stroke limiting device.
Background
Modern social competition is continuously enhanced, mental pressure and living pressure of people are continuously increased, the number of people suffering from cardiovascular and cerebrovascular diseases and upper limb injuries is continuously increased, the rehabilitation degree of patients is improved, the improvement of the quality of life after diseases is a problem concerned in the field of rehabilitation medicine in recent years, and the adoption of rehabilitation training is proved to be an important means for treating limb disorders.
The domestic each medical institution constantly increases the input in the aspect of the rehabilitation medical treatment in recent years, because reasons such as security, the advance of equipment, present rehabilitation medical instrument is with imported equipment many, and in the equipment that exists, when carrying out the rehabilitation training of arm, do not set up reliable spacing and buffer when lifting up and putting down of arm, can lead to carrying out the rehabilitation training in-process at the patient like this, because the phenomenon that the arm suddenly relaxes appears when strength is not enough, cause great impact to injured arm under the circumstances that buffering and stop device are not enough, form the secondary injury of arm.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a rotation stroke limiting device, which can limit and buffer a device for upper limb training, so as to ensure that a patient can limit an angle at which an elbow is raised and an angle at which the elbow is relaxed when performing a rotation motion of the elbow, prevent secondary injury to an injured upper limb due to insufficient strength during a rehabilitation training process, and increase reliability of the upper limb training device.
In order to achieve the above object, the present invention provides a rotational stroke limiting device, comprising: the rotating shaft assembly comprises a rotating shaft, a limiting block and a base, the rotating shaft is arranged at the top of the base, the limiting block is arranged at the intersection of the rotating shaft and the base, an installation block is arranged on the side surface of the base, a buffering head installation hole is formed in the side surface of the limiting block, and a buffering head is arranged in the buffering head installation hole; the rotating hole assembly comprises a rotating hole and a rotating hole main body, the rotating hole is formed in the center of the rotating hole main body, the rotating hole is arranged corresponding to the rotating shaft, an angle adjusting hole is formed in the outer side of the rotating hole, a plurality of protrusions are uniformly arranged in the angle adjusting hole, and an obstacle avoiding groove is formed in the bottom of the rotating hole main body and corresponds to the limiting block; the regulating block, the regulating block with the angle modulation hole corresponds the setting, the regulating block is equipped with two, two the regulating block set up in the stopper both sides.
According to the rotation travel limiting device, the top of the rotation shaft is provided with a clamping ring groove, the height of the clamping ring groove from the base is the same as the thickness of the rotation hole main body, and a clamping ring is arranged inside the clamping ring groove.
According to the rotation travel limiting device, the buffer head is arranged inside the buffer head mounting hole, the buffer head is arranged at the top of the buffer spring, and the buffer head can axially slide along the buffer head mounting hole.
According to the rotation travel limiting device, the top of the adjusting block is provided with the button, the side face of the adjusting block is movably provided with the fixed block, the inner side of the fixed block is movably provided with the connecting rod, the other side of the connecting rod is movably connected with the push rod, the top of the push rod is hinged with the button, the bottom of the button is provided with the supporting plate, and the return spring is arranged between the supporting plate and the button.
According to the rotation stroke limiting device, the fixed block is matched with the two adjacent bulges, the adjusting block can slide along the angle adjusting hole, and the bottom of the fixed block is slightly higher than the top surface of the base.
According to the rotation travel limiting device, the top of the clamping ring is provided with a dismounting hole.
According to the rotation stroke limiting device, the angle adjusting holes are two semicircular ring structures taking the circle center of the rotation hole as the circle center, and the middle of the two semicircular ring structures is provided with the blocking rib.
The invention provides a rotation stroke limiting device, which comprises: the rotating shaft assembly comprises a rotating shaft, a limiting block and a base, the rotating shaft is arranged at the top of the base, the limiting block is arranged at the intersection of the rotating shaft and the base, and the rotating shaft is limited in an area by the limiting block when rotating to a set position in the rotating process of the rotating shaft; the rotating hole assembly comprises a rotating hole and a rotating hole main body, wherein the rotating hole is formed in the center of the rotating hole main body, the rotating hole is arranged corresponding to the rotating shaft to realize the relative rotation of the two assemblies, an angle adjusting hole is formed in the outer side of the rotating hole, a plurality of protrusions which are uniformly arranged are arranged in the angle adjusting hole, the adjustment of a rotating angle is controlled by arranging the protrusions, a large angle deviation is prevented, the control of a rotating stroke is more accurate, and an obstacle avoiding groove is formed in the bottom of the rotating hole main body and is arranged corresponding to the limiting block to ensure the rotation of the limiting block, so that the rotation is realized; the regulating block, the regulating block with the angle modulation hole corresponds the setting, the regulating block is equipped with two, two the regulating block set up in the stopper both sides set up two and can all restrict two directions when rotating.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the rotating shaft assembly of the present invention;
FIG. 3 is a schematic sectional view of the stopper of the present invention;
FIG. 4 is a schematic view of a rotary bore assembly of the present invention;
FIG. 5 is a schematic cross-sectional view of an adjustment block of the present invention;
FIG. 6 is a schematic view of a snap ring construction of the present invention;
in the drawing, 1-rotating shaft assembly, 2-rotating shaft connector, 3-rotating hole assembly, 4-adjusting block, 5-snap ring, 6-rotating hole connector, 101-base, 102-rotating shaft, 103-snap ring groove, 104-stopper, 105-cushion head, 106-cushion spring, 301-rotating hole body, 302-protrusion, 303-barrier rib, 304-angle adjusting hole, 305-rotating hole sleeve, 306-rotating hole, 401-adjusting block body, 402-fixing block, 403-cavity, 404-link, 405-push rod, 406-fixing block mounting hole, 407-button, 408-button top plate, 409-return spring, 410-support plate, 501-snap ring body, 502-snap ring dismounting hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the invention provides a rotation travel limiting device, which comprises a rotation shaft assembly 1, a rotation shaft connector 2, a rotation hole assembly 3, an adjusting block 4, a clamping ring 5 and a rotation hole connector 6, wherein the rotation hole assembly 3 is sleeved on the rotation shaft assembly 1 to ensure that the rotation shaft assembly 1 can rotate in the rotation hole assembly 3, the adjusting block 4 is arranged on the rotation hole assembly 3, the rotation angle of the rotation shaft assembly 1 is limited by arranging the adjusting block 4, the rotation shaft connector 2 is connected with the rotation shaft assembly 1 and is used for limiting a subsequent device in connection and use, meanwhile, the rotation hole connector 6 is connected with the rotation hole assembly 3, the clamping ring 5 is arranged on the rotation shaft assembly 1 to ensure that after the rotation hole assembly 3 is sleeved on the rotation shaft assembly 1, the snap ring 5 ensures that the two can not be scraped axially to influence the movement effect of the limiting device.
Referring to fig. 2 and 3, it is preferable that the rotating shaft assembly 1 of the present invention includes: base 101, axis of rotation 102 and stopper 104, axis of rotation 102 set up in the base 101 top, stopper 104 set up in the crossing department of axis of rotation 102 and base 101 guarantees to rotate the in-process at axis of rotation 102, when the axis of rotation 102 rotated the position that sets up, inject the axis of rotation in regional inside through stopper 104, stopper 104 side is equipped with the buffer head mounting hole, the inside buffer head 105 that is equipped with of buffer head mounting hole, realize carrying on when spacing to axis of rotation 102 through setting up buffer head 105, buffer head 105 can realize buffering the power of contact when spacing, the great impulsive force influence stopper 104's life appears when preventing the contact.
In addition, the top of the rotating shaft 102 of the present invention is provided with a snap ring groove 103, the height of the snap ring groove 103 from the base 101 is the same as the thickness of the rotating hole body 301, so that after the installation is completed, the rotating hole assembly 3 and the rotating shaft assembly 1 can be fixed by the snap ring 5, the phenomenon of sliding during the rotation due to axial sliding can be prevented, and the snap ring 5 is arranged in the snap ring groove 103. Buffer head mounting hole is inside to be equipped with buffer spring 106, buffer head 105 set up in buffer spring 106 top, buffer head 105 can follow buffer head mounting hole axial slip is guaranteeing like this when rotating limiting position, and stopper 104 and regulating block 4 lateral wall impact can furthest's reduction, prevents great impulsive force.
Referring to FIG. 4, further, the rotary bore assembly 3 of the present invention includes: rotating hole main body 31, arch 302, separation rib 303, angle adjustment hole 304, rotation hole cover 305 and rotation hole 306, rotation hole 306 set up in rotate hole main body 301 center, rotation hole 306 with the relative rotation that two subassemblies were realized to rotation axis 102 corresponding setting, the rotation hole 306 outside is equipped with angle adjustment hole 304, angle adjustment hole 304 inside is equipped with a plurality of evenly arranged archs 302, through setting up arch 302, realizes the control of the regulation of rotation angle, prevents to appear great angle deviation, to the more accurate of control of moving distance, rotate hole main body 301 bottom be equipped with the stopper corresponds the obstacle avoidance groove that sets up, set up the obstacle avoidance groove and guarantee spacing, 104 rotation to realize rotating, simultaneously, angle adjustment hole 304 is two semicircle ring structures that use the rotation hole centre of a circle as the centre of a circle, be equipped with separation rib 303 in the middle of two semicircle ring structures, for reinforcing the strength of the rotating hole main body 301 and preventing the two regulating blocks 4 from overlapping.
Referring to fig. 6, further, the snap ring 5 of the present invention includes a snap ring body 501 and a removal hole 502, and the removal hole 502 facilitates the removal of the snap ring 5 by the engagement between the snap ring body 501 and the snap ring groove 103.
Referring to fig. 5, preferably, the adjusting block 4 of the present invention comprises an adjusting block body 401, a fixing block 402, a cavity 403, a connecting rod 404, a push rod 405, a fixing block mounting hole 406, a button 407, a button top plate 408, a return spring 409 and a supporting plate 410, the adjusting blocks 4 are arranged corresponding to the angle adjusting holes 304, two adjusting blocks 4 are arranged, two adjusting blocks 4 are respectively arranged at two sides of the limiting block 104, two adjusting blocks can limit two directions during rotation, the top of the adjusting block 4 is provided with a button 407, the side surface of the adjusting block 4 is movably provided with a fixed block 402, a connecting rod 404 is movably arranged at the inner side of the fixed block 402, a push rod 405 is movably connected at the other side of the connecting rod 404, the top of the push rod 405 is hinged to the button 407, the bottom of the button 407 is provided with a support plate 410, and the support plate 410 and the button 407 are directly provided with a return spring 409. The fixed block 402 is matched with the two adjacent protrusions 302, the adjusting block 4 can slide along the angle adjusting hole 304, and the bottom of the fixed block 402 is slightly higher than the top surface of the base 101, so that large friction resistance is prevented.
In this example, the rotation shaft assembly 1 and the rotation hole assembly 3 are matched with each other, the rotation hole assembly 3 is sleeved on the rotation shaft assembly 1, the rotation shaft assembly 1 and the rotation shaft assembly can rotate relatively, meanwhile, the adjustment block 4 is arranged on the rotation hole assembly 3, the adjustment block 4 is provided with two, the rotation shaft assembly 1 is provided with the limit block 104, the adjustment block 4 is arranged on two sides of the limit block 104, by pressing the button 407, the fixed block 402 can be retracted into the adjustment block 4, at the moment, the adjustment block 4 can slide along the inside of the angle adjustment hole 304, after reaching a preset position, the button 407 is released, the fixed block 402 can extend out to be clamped with the bulge 302 in the angle adjustment hole 304, so that when the limit block 104 moves to the positions of the two adjustment blocks 4 in the rotation process of the rotation shaft 102, the buffer head 105 is firstly contacted with the adjustment block 4 to realize the buffer function, when the limit block, the final limiting position is achieved, and the effect of rotation limiting is achieved.
In summary, the present invention provides a rotation stroke limiting device, including: the rotating shaft assembly comprises a rotating shaft, a limiting block and a base, the rotating shaft is arranged at the top of the base, the limiting block is arranged at the intersection of the rotating shaft and the base, and the rotating shaft is limited in an area by the limiting block when rotating to a set position in the rotating process of the rotating shaft; the rotating hole assembly comprises a rotating hole and a rotating hole main body, the rotating hole is formed in the center of the rotating hole main body, the rotating hole and the rotating shaft are correspondingly arranged to realize relative rotation of the two assemblies, an angle adjusting hole is formed in the outer side of the rotating hole, a plurality of protrusions which are uniformly arranged are arranged in the angle adjusting hole, the adjustment of a rotating angle is controlled by arranging the protrusions, a large angle deviation is prevented, the control of a rotating stroke is more accurate, an obstacle avoiding groove which is correspondingly arranged with the limiting block is formed in the bottom of the rotating hole main body, the obstacle avoiding groove is formed in the bottom of the rotating hole main body to guarantee the rotation of the limiting block, and therefore rotation is realized; the regulating block, the regulating block with the angle modulation hole corresponds the setting, the regulating block is equipped with two, two the regulating block set up in the stopper both sides set up two and can all restrict two directions when rotating.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Claims (7)
1. A rotational stroke limiting device, comprising:
the rotating shaft assembly comprises a rotating shaft, a limiting block and a base, the rotating shaft is arranged at the top of the base, the limiting block is arranged at the intersection of the rotating shaft and the base, an installation block is arranged on the side surface of the base, a buffering head installation hole is formed in the side surface of the limiting block, and a buffering head is arranged in the buffering head installation hole;
the rotating hole assembly comprises a rotating hole and a rotating hole main body, the rotating hole is formed in the center of the rotating hole main body, the rotating hole is arranged corresponding to the rotating shaft, an angle adjusting hole is formed in the outer side of the rotating hole, a plurality of protrusions are uniformly arranged in the angle adjusting hole, and an obstacle avoiding groove is formed in the bottom of the rotating hole main body and corresponds to the limiting block;
the regulating block, the regulating block with the angle modulation hole corresponds the setting, the regulating block is equipped with two, two the regulating block set up in the stopper both sides.
2. The rotary stroke limiting device of claim 1, wherein a snap ring groove is formed at the top of the rotary shaft, the height of the snap ring groove from the base is the same as the thickness of the rotary hole body, and a snap ring is arranged in the snap ring groove.
3. The rotational stroke limiting device of claim 1, wherein a buffering spring is disposed inside the buffering head mounting hole, the buffering head is disposed on the top of the buffering spring, and the buffering head can axially slide along the buffering head mounting hole.
4. The rotary stroke limiting device according to claim 1, wherein a button is arranged at the top of the adjusting block, a fixed block is movably arranged at the side of the adjusting block, a connecting rod is movably arranged at the inner side of the fixed block, a push rod is movably connected to the other side of the connecting rod, the top of the push rod is hinged to the button, a supporting plate is arranged at the bottom of the button, and a return spring is arranged between the supporting plate and the button.
5. The rotary stroke limiting device of claim 4, wherein the fixing block is engaged with the two adjacent protrusions, the adjusting block can slide along the angle adjusting hole, and the bottom of the fixing block is slightly higher than the top surface of the base.
6. The rotational travel stop of claim 1 wherein the snap ring has a removal hole at the top.
7. The rotary stroke limiting device of claim 1, wherein the angle adjusting hole is formed in two semicircular ring structures with the center of the rotary hole as the center, and a blocking rib is arranged between the two semicircular ring structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229910.7A CN113018794A (en) | 2021-03-02 | 2021-03-02 | Rotation stroke limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229910.7A CN113018794A (en) | 2021-03-02 | 2021-03-02 | Rotation stroke limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113018794A true CN113018794A (en) | 2021-06-25 |
Family
ID=76465396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110229910.7A Pending CN113018794A (en) | 2021-03-02 | 2021-03-02 | Rotation stroke limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113018794A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2030873A1 (en) * | 1990-11-26 | 1992-05-27 | Errol Gray | Therapeutic exercise device for arms |
| CN107928986A (en) * | 2017-12-07 | 2018-04-20 | 同济大学浙江学院 | Wrist joint device for healing and training |
| CN109077894A (en) * | 2018-06-29 | 2018-12-25 | 北京恒信卓元科技有限公司 | A kind of the upper limb healing device and its control method of bidirectional hydraulic control |
| CN111012631A (en) * | 2020-01-10 | 2020-04-17 | 韩鹏鹏 | Elbow joint rehabilitation training device |
| CN111375179A (en) * | 2018-12-28 | 2020-07-07 | 沈阳新松机器人自动化股份有限公司 | Rehabilitation training device and vertical rotation structure for training upper limbs thereof |
-
2021
- 2021-03-02 CN CN202110229910.7A patent/CN113018794A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2030873A1 (en) * | 1990-11-26 | 1992-05-27 | Errol Gray | Therapeutic exercise device for arms |
| CN107928986A (en) * | 2017-12-07 | 2018-04-20 | 同济大学浙江学院 | Wrist joint device for healing and training |
| CN109077894A (en) * | 2018-06-29 | 2018-12-25 | 北京恒信卓元科技有限公司 | A kind of the upper limb healing device and its control method of bidirectional hydraulic control |
| CN111375179A (en) * | 2018-12-28 | 2020-07-07 | 沈阳新松机器人自动化股份有限公司 | Rehabilitation training device and vertical rotation structure for training upper limbs thereof |
| CN111012631A (en) * | 2020-01-10 | 2020-04-17 | 韩鹏鹏 | Elbow joint rehabilitation training device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |