CN110236840B - Hip supporting mechanism of old-age assisting shifting vehicle - Google Patents

Hip supporting mechanism of old-age assisting shifting vehicle Download PDF

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Publication number
CN110236840B
CN110236840B CN201910577818.2A CN201910577818A CN110236840B CN 110236840 B CN110236840 B CN 110236840B CN 201910577818 A CN201910577818 A CN 201910577818A CN 110236840 B CN110236840 B CN 110236840B
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CN
China
Prior art keywords
connecting rod
bracket
plate
hip
locking
Prior art date
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Active
Application number
CN201910577818.2A
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Chinese (zh)
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CN110236840A (en
Inventor
李路平
杨茗予
陆柯军
覃鸿
李可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shanse Health Technology Co ltd
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Ningbo Shanse Health Technology Co ltd
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Priority to CN201910577818.2A priority Critical patent/CN110236840B/en
Publication of CN110236840A publication Critical patent/CN110236840A/en
Priority to US17/296,143 priority patent/US20220073521A1/en
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Publication of CN110236840B publication Critical patent/CN110236840B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1057—Supported platforms, frames or sheets for patient in lying position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1061—Yokes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • A61G7/1082—Rests specially adapted for
    • A61G7/109—Lower body, e.g. pelvis, buttocks

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Seats For Vehicles (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention provides a buttock supporting mechanism of an aging-assisting shifting vehicle, which comprises a bracket and a buttock supporting plate, wherein the bracket is rotationally connected with the buttock supporting plate, a linear driver is arranged on the buttock supporting plate, a connecting rod assembly is further arranged between the bracket and the buttock supporting plate, one end of the connecting rod assembly is rotationally connected with the bracket, the other end of the connecting rod assembly is rotationally connected with the linear driver, the buttock supporting mechanism further comprises a locking piece for locking the connecting rod assembly, when the locking piece is in a locking state, the linear driver drives the buttock supporting plate to rotate relative to the bracket, and when the locking piece is in an unlocking state, the buttock supporting plate can manually rotate relative to the bracket.

Description

Hip supporting mechanism of old-age assisting shifting vehicle
Technical Field
The invention relates to the technical field of medical equipment, in particular to a buttock supporting mechanism of an old-age assisting shifting vehicle.
Background
In the daily care of the elderly, since the elderly often walk and transfer inconveniently, they often have a need for shifting to accomplish basic activities of daily living, such as shifting to a wheelchair or a seat in a bed, or shifting from a wheelchair to a toilet or a bathtub, etc.
In the prior art, the operation of the binding belt of the hanger type shifting vehicle is complex, in order to solve the problem, the concept of the holding type shifting vehicle is provided, and the hip supporting plate function is one of important constituent elements of the holding type shifting vehicle.
The buttock supporting plate can simplify the operation steps and improve the efficiency. The electric buttock supporting plate can be conveniently converted into a manual mode, and the risk that the supporting plate can not rotate an object to lock on a vehicle due to circuit faults is eliminated.
Disclosure of Invention
The invention aims to provide a buttock supporting mechanism of an aging-assisting shifting vehicle.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a help buttock supporting mechanism of old aversion car, includes support and buttock backup pad, rotate between support and the buttock backup pad and be connected, be equipped with sharp driver in the buttock backup pad, still be equipped with link assembly between support and the buttock backup pad, link assembly one end is connected with the support rotation, and the other end is connected with sharp driver rotation, buttock supporting mechanism still includes right link assembly locking piece, when the locking piece is in the locked state, sharp driver drive buttock backup pad rotates for the support, and when the locking piece is in the unlocked state, buttock backup pad is rotatable manually for the support.
Further, the link assembly includes first connecting rod and second connecting rod, the one end and the straight line driver of first connecting rod rotate to be connected, the other end and the second connecting rod of first connecting rod rotate to be connected, the one end that the second connecting rod kept away from first connecting rod rotates to be connected with the support, and when the locking piece was in the locked state, the second connecting rod is non-rotatable for the support, and straight line driver drive buttock backup pad is rotatable for the support, and when the locking piece was in the unlocked state, the second connecting rod is rotatable for the support, and buttock backup pad is rotatable manually for the support.
Further, the second connecting rod includes sleeve pipe, first connecting plate and second connecting plate are installed on the sleeve pipe lateral wall and homonymy sets up, it is connected with the jump ring round pin to rotate between sleeve pipe's tip is kept away from to first connecting plate and second connecting plate, the one end that linear drive was kept away from to first connecting rod rotates and installs on the jump ring round pin, be connected with the connecting axle between buttock backup pad and the support, the sleeve pipe rotates and installs on the connecting axle.
Further, the first connecting rod is arranged between the first connecting plate and the second connecting plate, and a limiting shaft sleeve for limiting the sliding of the first connecting rod is arranged on the clamp spring pin.
Further, a first movable groove for swinging the first connecting plate and the second connecting plate is formed in the support.
Further, the distance between the inner wall of the first movable groove and one side wall of the first connecting plate far away from the second connecting plate is M, and M is more than 0 and less than 3cm.
Further, the locking piece comprises a locking bolt and a pull ring, and the second connecting rod and the bracket are respectively provided with a positioning hole for the locking bolt to move.
Further, the linear actuator is installed in the hip support plate.
Furthermore, the opposite ends of the hip support plate and the bracket are respectively provided with locking teeth, and the section of each locking tooth is trapezoidal.
Further, the included angle range between the two bevel edges of the locking tooth is alpha, and alpha is more than or equal to 60 degrees and less than or equal to 120 degrees.
Further, after the locking teeth are meshed, the gap between the top plane of the locking teeth and the bottom plane of the other locking teeth is N, and N is more than or equal to 0.3mm and less than or equal to 2mm.
After the technical scheme is adopted, the invention has the following advantages:
1. when the locking piece is in a locking state, the linear driver drives the connecting rod assembly to drive the hip support plate to rotate relative to the support, so that the hip support plate is driven to rotate electrically, when the linear driver cannot work normally, the locking piece is in an unlocking state, and at the moment, the hip support plate can be driven to rotate around the support manually, so that objects are prevented from being blocked on the shifting vehicle, and the safety of the old-person shifting vehicle is improved.
2. When the locking piece is in a locking state, the second connecting rod is not rotatable relative to the support, the linear driver drives the first connecting rod to rotate relative to the second connecting rod, the hip support plate rotates relative to the support at the moment, when the locking piece is in an unlocking state, the first connecting rod rotates relative to the second connecting rod, the second connecting rod rotates relative to the support, the hip support plate can rotate relative to the support through manual rotation of the hip support plate, manual rotation adjustment of the hip support plate is achieved, objects are prevented from being blocked on the old-fashioned shifting assisting vehicle, and safety of the old-fashioned shifting assisting vehicle is improved.
3. The sleeve pipe rotates to be connected on the connecting axle, first connecting plate and second connecting plate can rotate along with the sleeve pipe rotation, when being in the locked state, the locking piece has restricted first connecting plate and second connecting plate and has rotated, linear drive drives first connecting rod and rotates for the jump ring round pin, when being in the unlocked state, first connecting plate and second connecting plate can rotate relative connecting axle, first connecting plate and second connecting plate can rotate along with the sleeve pipe is rotatory, first connecting rod also can rotate along with the jump ring round pin relatively this moment, can realize the manual rotation of buttock backup pad, the intensity of second connecting rod has been strengthened in the setting of first connecting plate and second connecting plate, stability when guaranteeing manual rotation buttock backup pad.
4. The first connecting rod is installed between the first connecting plate and the second connecting plate, and the limiting shaft sleeve limiting the sliding of the first connecting rod is arranged on the clamp spring pin, so that the first connecting rod can be prevented from sliding on the clamp spring pin when rotating, the stability of the first connecting rod when rotating is improved, and the comfort of the old-person assisting shifting vehicle when in use is further improved.
5. Through being equipped with the first movable groove that supplies first connecting plate and second connecting plate wobbling on the support, first movable groove can restrict the range of motion of first connecting plate and second connecting plate, rocks when avoiding first connecting plate and second connecting plate rotatory, improves buttock backup pad rotatory stability.
6. The friction of first movable groove inner wall can not be received when rotatory to first connecting plate and second connecting plate can be guaranteed in this kind of setting, has also avoided simultaneously when M is greater than 3cm, rocks seriously when leading to first connecting plate and second connecting plate rotatory owing to the clearance is too big, and then causes buttock backup pad rotatory to rock, reduces the travelling comfort of use.
7. The second connecting rod and the support are connected through the insertion of the locking bolt into the positioning hole, the second connecting rod cannot rotate at the moment, the locking piece is in a locking state, the linear driver drives the first connecting rod to rotate around the second connecting rod, the hip support plate rotates relative to the support, the second connecting rod is separated from the support after the locking bolt is pulled out, the second connecting rod can rotate around the support, the first connecting rod rotates relative to the second connecting rod, the second connecting rod rotates relative to the support, and the hip support plate can be manually rotated at the moment.
8. The linear driver is arranged in the hip supporting plate, so that the hidden arrangement of the linear driver is realized, the structure of the shifting vehicle is more compact, and the appearance is more attractive.
9. The setting of the locking teeth can improve the firmness after the locking teeth are meshed, prevent the buttock support plate and the support from shaking under the closed state, and in addition, the cross section of the locking teeth is trapezoidal, so that the firmness after the locking teeth are meshed can be further increased, and the stability of the buttock support plate during use is improved.
10. The included angle between two bevel edges of the locking teeth is alpha, alpha is more than or equal to 60 degrees and less than or equal to 120 degrees, so that the risk of insecurity after the locking teeth are meshed can be avoided, and when alpha is less than 60 degrees or alpha is more than 120 degrees, the risk of insecurity of locking teeth is easily caused.
11. After the locking teeth are meshed, the gap between the top plane of the locking teeth and the bottom plane of the other locking teeth is N, and N is more than or equal to 0.3mm and less than or equal to 2mm, so that the gap between the locking teeth is reserved, so that the locking teeth are firmly and stably meshed, the stability of the hip support plate in use is further improved, and the comfort of the support is improved. When N is less than 0.3mm or N is more than 2mm, the too large or too small clearance after locking meshing is easy to cause insufficient firmness and stability of meshing.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic view of a buttocks support mechanism of an embodiment of an assist-shift vehicle according to the present invention.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3a is a schematic view of a hip support mechanism of an embodiment of an assist-shift vehicle according to the present invention, in which a hip support plate is closed in a locked state by a locking member.
Fig. 3B is a cross-sectional view of the B-B plane in fig. 3 a.
Fig. 4 is a schematic view of a partial structure of a bracket in a hip support mechanism of an embodiment of an assist-shift vehicle according to the present invention.
Fig. 5 is a schematic structural view of a second link in a first embodiment of a hip support mechanism of an assist-shift vehicle according to the present invention.
Fig. 6 is a front view of a bracket of a first embodiment of the inventive assisted-aging shift car.
Fig. 7 is a schematic view showing a partial structure of the cooperation of the hip support plate and the bracket of the first embodiment of the inventive assisted-aging shift vehicle.
Fig. 8 is a side view of a bracket of a first embodiment of the inventive assisted-ageing shift car.
Fig. 9a is a schematic view of a hip support mechanism of an embodiment of an assisted-aging shift vehicle according to the present invention, in which a hip support plate is opened in a locked state of a locking member.
Fig. 9b is a cross-sectional view of the C-C plane in fig. 9 a.
Fig. 10a is a schematic view of a hip support mechanism of an embodiment of an assisted-aging shift vehicle according to the present invention, in which a hip support plate is closed in an unlocked state of a locking member.
Fig. 10b is a cross-sectional view of the D-D plane of fig. 10 a.
Fig. 11a is a schematic view of a hip support mechanism of an embodiment of an assisted-aging shift vehicle according to the present invention, in which a hip support plate is opened in an unlocked state of a locking member.
FIG. 11b is a cross-sectional view taken along the E-E plane in FIG. 11 a.
Fig. 12 is a schematic view of a structure of a linear actuator, a locking member and a connecting rod assembly in cooperation with a hip support mechanism of an embodiment of an assist-shift vehicle according to the present invention.
The names of the components marked in the figure are as follows:
b1, a bracket; b2, buttocks supporting plate; b3,;
b4, a connecting rod assembly; b41, a first connecting rod; b42, a second connecting rod; b4201, cannula; b4202, first connection plate; b4203, second connection plate;
b5, locking piece; b51, locking bolt; b52, pull ring;
b6, clamping spring pins; b7, connecting shafts; b8, locking teeth; b9, a first movable groove; b10, positioning holes; b11, a second movable groove; and B12, limiting the shaft sleeve.
Description of the embodiments
The invention will be further described with reference to the drawings and the specific examples. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the invention.
Examples
As shown in fig. 1-11B, the invention provides a hip supporting mechanism of an old-fashioned shifting assisting vehicle, which comprises a bracket B1 and a hip supporting plate B2, wherein the bracket B1 is rotationally connected with the hip supporting plate B2, a linear driver B3 is arranged on the hip supporting plate B2, a connecting rod assembly B4 is further arranged between the bracket B1 and the hip supporting plate B2, one end of the connecting rod assembly B4 is rotationally connected with the bracket B1, the other end of the connecting rod assembly B4 is rotationally connected with the linear driver B3, the hip supporting mechanism further comprises a locking piece B5 for locking the connecting rod assembly B4, when the locking piece B5 is in a locking state, the linear driver B3 drives the hip supporting plate B2 to rotate relative to the bracket B1, and when the locking piece B5 is in an unlocking state, the hip supporting plate B2 can manually rotate relative to the bracket B1. When the locking piece B5 is in a locking state, the linear driver B3 drives the connecting rod assembly B4 to drive the hip support plate B2 to rotate relative to the support B1, so that the hip support plate B2 is driven to rotate electrically, and when the linear driver B3 cannot work normally, the hip support plate B2 can be driven to rotate around the support B1 manually at the moment by enabling the locking piece B5 to be in an unlocking state, so that objects are prevented from being blocked on a shifting vehicle, and the safety of the old-person shifting vehicle is improved.
In this embodiment, the link assembly B4 includes a first link B41 and a second link B42, one end of the first link B41 is rotatably connected to the linear driver B3, the other end of the first link B41 is rotatably connected to the second link B42, one end of the second link B42 remote from the first link B41 is rotatably connected to the bracket B1, the second link B42 is not rotatable with respect to the bracket B1 when the locking member B5 is in the locked state, the linear driver B3 drives the hip support plate B2 to rotate with respect to the bracket B1, and the second link B42 is rotatable with respect to the bracket B1 and the hip support plate B2 is manually rotatable with respect to the bracket B1 when the locking member B5 is in the unlocked state. When the locking piece B5 is in a locking state, the second connecting rod B42 is not rotatable relative to the support B1, the linear driver B3 drives the first connecting rod B41 to rotate relative to the second connecting rod B42, at the moment, the hip support plate B2 rotates relative to the support B1, when the locking piece B5 is in an unlocking state, the first connecting rod B41 rotates relative to the second connecting rod B42, the second connecting rod B42 rotates relative to the support B1, the hip support plate B2 can rotate relative to the support B1 by manually rotating the hip support plate B2, manual rotation adjustment of the hip support plate B2 is achieved, objects are prevented from being clamped on an aging-assisting shifting vehicle, and safety of the aging-assisting shifting vehicle is improved.
In the present embodiment, the second link B42 includes a sleeve B4201, a first connection plate B4202 and a second connection plate B4203, the first connection plate B4202 and the second connection plate B4203 are mounted on a side wall of the sleeve B4201 and are disposed on the same side, a clamp spring pin B6 is rotatably connected between ends of the first connection plate B4202 and the second connection plate B4203 far from the sleeve B4201, one end of the first link B41 far from the linear actuator B3 is rotatably mounted on the clamp spring pin B6, a connection shaft B7 is connected between the hip support plate B2 and the bracket B1, and the sleeve B4201 is rotatably mounted on the connection shaft B7. The sleeve B4201 is rotatably connected to the connecting shaft B7, the first connecting plate B4202 and the second connecting plate B4203 can rotate along with the sleeve B4201, when the sleeve B4201 is in a locked state, the locking member B5 limits the first connecting plate B4202 and the second connecting plate B4203 to rotate, the linear driver B3 drives the first connecting rod B41 to rotate relative to the clamp spring pin B6, when the sleeve B4201 is in an unlocked state, the first connecting plate B4202 and the second connecting plate B4203 can rotate relative to the connecting shaft B7, the first connecting plate B4202 and the second connecting plate B4203 can rotate along with the sleeve B4201, at the moment, the first connecting rod B41 can also rotate relative to the clamp spring pin B6, and therefore manual rotation of the hip support plate B2 can be achieved, the strength of the second connecting rod B42 is enhanced due to the arrangement of the first connecting plate B4202 and the second connecting plate B4203, and stability of the hip support plate B2 is ensured when the sleeve B is manually rotated.
In the present embodiment, the bracket B1 is provided with a first movable groove B9 for swinging the first connection board B4203 and the second connection board B4203. By providing the bracket B1 with the first movable groove B9 for swinging the first connection plate B4202 and the second connection plate B4203, the first movable groove B9 can limit the movable range of the first connection plate B4202 and the second connection plate B4203, prevent the first connection plate B4202 and the second connection plate B4203 from swinging when rotating, and improve the rotation stability of the hip support plate B2.
In this embodiment, the distance between the inner wall of the first movable groove B9 and a side wall of the first connection plate B4202 away from the second connection plate B4203 is M,0 < M < 3cm. In this embodiment, M is 2cm. This arrangement ensures that the first connection plate B4202 and the second connection plate B4203 are not rubbed against the inner wall of the first movable groove B9 when rotated.
In this embodiment, the locking member B5 includes a locking bolt B52 and a pull ring B52, and the second connecting rod B42 and the bracket B1 are both provided with a positioning hole B10 for moving the locking bolt B52. The second connecting rod B42 is connected with the support B1 through the connection of the second connecting rod B42 and the support B10, the second connecting rod B42 cannot rotate at the moment, the locking piece B5 is in a locking state, the linear driver B3 drives the first connecting rod B41 to rotate around the second connecting rod B42, the hip support plate B2 rotates relative to the support B1, the second connecting rod B42 is separated from the support B1 after the locking bolt B52 is pulled out, the second connecting rod B42 can rotate around the support B1, the first connecting rod B41 rotates relative to the second connecting rod B42, the second connecting rod B42 rotates relative to the support B1, and the hip support plate B2 can be manually rotated at the moment.
In this embodiment, the linear actuator B3 is installed in the hip support plate B2. The linear driver B3 is arranged in the hip support plate B2, so that the hidden arrangement of the linear driver B3 is realized, the structure of the shift vehicle is more compact, and the appearance is more attractive.
In the present embodiment, the hip support plate B2 is provided with a second movable groove B11 in which the link assembly B4 swings. Through establishing the second movable groove B11 that supplies link assembly B4 wobbling on buttock backup pad B2, can restrict link assembly B4 wobbling scope on the one hand, realize buttock backup pad B2 rotatory in the safe region, on the other hand has also avoided rocking when first link B41 rotates, improves the travelling comfort when shifting the car and uses.
It will be appreciated that M may also be 0.1cm, 0.2cm, 0.3cm, 0.4cm, 0.5cm, 0.6cm, 0.7cm, 0.8cm, 0.9cm, 1cm, 1.1cm, 1.2cm, 1.3cm, 1.4cm, 1.5cm, 1.6cm, 1.7cm, 1.8cm, 1.9cm, 2.1cm, 2.2cm, 2.3cm, 2.4cm, 2.5cm, 2.6cm, 2.7cm, 2.8cm, 2.9cm.
In this embodiment, the opposite ends of the hip support plate B2 and the bracket B1 are provided with locking teeth B8, and the cross section of the locking teeth B8 is trapezoidal. The provision of the locking teeth B8 prevents the buttocks support plate B2 and the supporter B1 from shaking in a closed state.
In this embodiment, the angle between the two oblique sides of the locking tooth B8 is α, 60.ltoreq.α.ltoreq.120°, in this embodiment α is 90 °. The included angle between the two bevel edges of the locking tooth B8 can improve the resultant force of teeth, and the problem that the locking tooth B8 is not firm in meshing is avoided.
In this embodiment, after the locking teeth B8 are engaged, the clearance between the top plane of the locking tooth B8 and the bottom plane of the other locking tooth B8 is N, N is 0.3 mm.ltoreq.N.ltoreq.2 mm, and in this embodiment, N is 1.1mm. The advantage of leaving a gap between the locking teeth is to make the engagement more secure and stable.
It will be appreciated that α may also be 60 °, 61 °, 62 °, 63 °, 64 °, 65 °, 66 °, 67 °, 68 °, 69 °, 70 °, 71 °, 72 °, 73 °, 74 °, 75 °, 76 °, 77 °, 78 °, 79 °, 80 °, 81 °, 82 °, 83 °, 84 °, 85 °, 86 °, 87 °, 88 °, 89 °, 91 °, 92 °, 93 °, 94 °, 95 °, 96 °, 97 °, 98 °, 99 °, 100 °, 101 °, 102 °, 103 °, 104 °, 105 °, 106 °, 107 °, 108 °, 109 °, 110 °, 111 °, 112 °, 113 °, 114 °, 115 °, 116 °, 117 °, 118 °, 119 °, 120 °.
It will be appreciated that N may also be 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm.
It will be appreciated that the buttocks support panel is provided with a pair of buttocks support panels which enclose a structure similar to a toilet seat after the locking teeth are engaged, providing a more comfortable support for the user.
It can be appreciated that the buttock support plate is made of rubber material, thereby ensuring the comfort of buttock support.
Examples
As shown in fig. 12, the second embodiment is different from the first embodiment in that the first link B41 is installed between the first connection plate B4202 and the second connection plate B4203, and the snap spring pin B6 is provided with a limiting sleeve B12 for limiting the sliding of the first link B41. The first connecting rod B41 is arranged between the first connecting plate B4202 and the second connecting plate B4203, and the limiting shaft sleeve B12 for limiting the sliding of the first connecting rod B41 is arranged on the clamp spring pin B6, so that the first connecting rod B41 can be prevented from sliding on the clamp spring pin B6 when rotating, the stability of the first connecting rod B41 when rotating is improved, and the comfort of the old-person shifting vehicle when in use is further improved.
Other undescribed partial structures and their beneficial effects are the same as those of the first embodiment, and are not described here again.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.

Claims (8)

1. The hip supporting mechanism of the aging-assisting shifting vehicle comprises a bracket and a hip supporting plate, wherein the bracket is rotationally connected with the hip supporting plate, and the hip supporting plate is characterized in that a linear driver is arranged on the hip supporting plate, a connecting rod assembly is further arranged between the bracket and the hip supporting plate, one end of the connecting rod assembly is rotationally connected with the bracket, the other end of the connecting rod assembly is rotationally connected with the linear driver, the hip supporting mechanism further comprises a locking piece for locking the connecting rod assembly, when the locking piece is in a locking state, the linear driver drives the hip supporting plate to rotate relative to the bracket, and when the locking piece is in an unlocking state, the hip supporting plate can manually rotate relative to the bracket;
the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotationally connected with the linear driver, the other end of the first connecting rod is rotationally connected with the second connecting rod, one end of the second connecting rod, which is far away from the first connecting rod, is rotationally connected with the bracket, when the locking piece is in a locking state, the second connecting rod is non-rotatable relative to the bracket, the linear driver drives the hip support plate to rotate relative to the bracket, when the locking piece is in an unlocking state, the second connecting rod is rotatable relative to the bracket, and the hip support plate is manually rotatable relative to the bracket;
the linear driver is arranged in the hip supporting plate;
the second connecting rod comprises a sleeve, a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are arranged on the side wall of the sleeve and are arranged on the same side, the first connecting plate and the second connecting plate are connected with a clamp spring pin in a rotating mode between the end portions, far away from the sleeve, of the first connecting plate, one end, far away from the linear driver, of the first connecting rod is arranged on the clamp spring pin in a rotating mode, a connecting shaft is connected between the hip supporting plate and the support, and the sleeve is arranged on the connecting shaft in a rotating mode.
2. The hip support mechanism of the old-fashioned shifting aid vehicle according to claim 1, wherein the first connecting rod is installed between the first connecting plate and the second connecting plate, and the snap spring pin is provided with a limiting shaft sleeve for limiting the sliding of the first connecting rod.
3. The hip support mechanism of the old-fashioned shifting aid vehicle according to claim 1, wherein the bracket is provided with a first movable groove for swinging the first connecting plate and the second connecting plate.
4. The hip support mechanism of the old-fashioned shifting cart of claim 3, wherein a distance between an inner wall of the first movable groove and a side wall of the first connecting plate far away from the second connecting plate is M, and M is more than 0 and less than 3cm.
5. The hip support mechanism of the old-fashioned shifting assisting vehicle according to claim 1, wherein the locking piece comprises a locking bolt and a pull ring, and the second connecting rod and the bracket are respectively provided with a positioning hole for the locking bolt to move.
6. The hip support mechanism of the shift assist vehicle as set forth in claim 1, wherein the hip support plate and the bracket are provided with locking teeth at opposite ends thereof, and the locking teeth have a trapezoidal cross section.
7. The hip support mechanism of the shift assist vehicle according to claim 6, wherein the angle between the two sloping sides of the locking teeth ranges from α to 60 ° to 120 °.
8. The hip support mechanism of the shift assist vehicle according to claim 6, wherein after the locking teeth are engaged, a gap between a top plane of the locking teeth and a bottom plane of the other locking teeth is N, N is 0.3 mm.ltoreq.n.ltoreq.2 mm.
CN201910577818.2A 2018-11-30 2019-06-28 Hip supporting mechanism of old-age assisting shifting vehicle Active CN110236840B (en)

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