CN217118770U - Walking aid vehicle standing traction device based on lever and hinge four-bar mechanism - Google Patents
Walking aid vehicle standing traction device based on lever and hinge four-bar mechanism Download PDFInfo
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- CN217118770U CN217118770U CN202221065621.4U CN202221065621U CN217118770U CN 217118770 U CN217118770 U CN 217118770U CN 202221065621 U CN202221065621 U CN 202221065621U CN 217118770 U CN217118770 U CN 217118770U
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- push rod
- lever
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Abstract
The utility model discloses a help driving vehicle draw gear that stands based on lever, hinge four-bar linkage, include fixed crossbeam frame in the middle of a supporting beam, fixed push rod support one on the crossbeam frame, the fixed electric putter afterbody is connected to push rod support one, electric putter fixes again on push rod support two, push rod support two is fixed on the draft arm crossbeam, the draft arm crossbeam is fixed at the draft arm afterbody, two fixed bearing frames in draft arm both sides, a 10mm optical axis has been connected to the two bearing frames, 10mm optical axis passes two 10mm vertical optical axis support frames, two 10mm vertical optical axis support frames are connected with the forearm before the level, the forearm is fixed with pull the backplate before the level, pull backplate and protection band sliding connection. The utility model discloses a help capable car draw gear that stands based on lever, hinge four-bar linkage is favorable to the switching of low limbs obstacle crowd in helping capable car upper station sitting posture.
Description
Technical Field
The utility model relates to the field of medical equipment and living assistive devices, in particular to a device for assisting a lower limb obstacle to pull and protect the body of a user when sitting and standing during walking by using a lever and a hinge four-bar mechanism.
Background
With the rapid development of society and the improvement of the living standard of China, the demand that the lower limb disorder people desire independent life is more and more strong. At present, common walking aid products in China are large in size and inflexible in movement, and cannot simultaneously meet the requirements of people of the type for different standing and sitting postures, so that the walking aid products are difficult to move from a wheelchair to a toilet without the assistance of nursing staff and family members. The lower limbs of people with lower limb disorder originally have problems, and the lower limbs of people with lower limb disorder can not be exercised frequently even in a flat sitting posture, so that the lower limbs of people with lower limb disorder have adverse effects on the muscular system, the osteoarticular system, the cardiovascular system, the respiratory system, the central nervous system, the digestive system, the urinary system, the skin system and the metabolic endocrine system in different degrees.
At present, the walking aid vehicle used by the lower limb obstacle people has structural design functions, and the standing posture and the sitting posture of the lower limb obstacle people can not be switched on the premise of ensuring safety. This is a disadvantage of the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a help driving vehicle draw gear that stands based on lever, hinge four-bar linkage is favorable to realizing helping the driving vehicle user's the switching of standing and the flat position of sitting gesture when using.
The utility model adopts the following technical scheme to realize the purpose of the invention:
the utility model provides a help capable car of walking and stand draw gear based on lever, hinge four-bar linkage, includes a supporting beam of symmetry, characterized by: two ends of a cross beam frame are fixed on the middle of the symmetrical supporting beams through bolts, a first push rod support is fixed on the cross beam frame through bolts, the other side of the first push rod support is connected and fixed with a tail fixed end of an electric push rod through bolts, the extending push rod end of the electric push rod is connected and fixed on a second push rod support, the second push rod support is fixed on a tail cross beam of a traction arm through bolts, the tail cross beam of the traction arm is fixed on the traction arm through bolts, two bearing blocks are symmetrically connected and fixed on two sides of the front end of the traction arm, a 10mm optical axis is rotatably connected with two bearing holes of the two symmetrical bearing blocks, two ends of the 10mm optical axis respectively pass through axial holes of two symmetrical 10mm vertical optical axis supporting frames and are connected in a fastening mode, the front end faces of the two symmetrical 10mm vertical optical axis supporting frames are connected with a horizontal front small arm through bolt, and the horizontal front small arm is connected with a through hole behind a traction guard plate through bolt in a fastening mode, the traction guard plate is connected with the protection belt in a sliding mode through a bolt.
As the further limitation of the technical scheme, the traction arm is fixedly connected with the bottom surfaces of two symmetrical 17mm vertical bearing seats, bearing holes of the two symmetrical 17mm vertical bearing seats are rotatably connected with a 17mm optical axis, and the 17mm optical axis penetrates through two symmetrical shaft holes in the top of the supporting beam and is fixedly connected with the supporting beam.
As a further limitation of the technical scheme, the 17mm optical axis middle position crosses through two fixed 17mm vertical optical axis fixing frames, one ends of two square iron pull rods are fixed by two 17mm vertical optical axis fixing frame clamping, the other ends of the two square iron pull rods are fixed by two symmetrical 10mm diamond fixing seats clamping, two symmetrical 10mm diamond fixing seat bearing holes are fixedly connected with the 10mm optical axis, and the 10mm optical axis is fixedly connected on the traction arm through a bearing seat.
As the further injeciton of the technical scheme, the two ends of the 17mm optical axis respectively pass through the bearing holes of the two pairs of 17mm rhombic bearing blocks, the two pairs of 17mm rhombic bearing blocks are respectively fixed on the fastening base plate through bolts, the upper ends of the two pairs of fastening base plates are fixedly connected with the two sides of the armrest frame in a symmetrical mode, the handle at the top end of the armrest frame is fixedly and symmetrically connected with the two adjusting handles, the blind holes at the bottom of the adjusting handles are fixedly connected with one end of the adjusting rod, the two sides of the adjusting rod can slide up and down to be matched with the blind holes in the locking ring, and the locking rings at the two sides are fixedly connected with the 17mm optical axis.
As the technical scheme, the adjusting handle comprises a bearing plate fixedly connected with a traction block through a bolt, the traction block is provided with a bilateral symmetry blind hole and a middle lifting rod blind hole, the bilateral symmetry blind holes are respectively connected with one ends of two stress rods, the other ends of the two stress rods respectively penetrate through two side holes of a handle base and one end of a compression spring and are fixedly connected with two blocking blocks at the bottom, the middle blind hole of the traction block is fixedly connected with an adjusting rod, and the adjusting rod penetrates through a middle through hole of the handle base and can slide up and down to be matched with a locking ring fixing blind hole.
With prior art, the utility model discloses an advantage is with positive effect:
(1) the device enables the traction arm to be always in the horizontal state through the fixation and the driving of the four-bar hinge mechanism, assists a user to complete a standing posture on the premise of ensuring safety, and plays a role in protection when the user stands.
(2) The device is provided with a handle adjusting function based on the lever principle, and a user can adjust the handle to change the posture and simultaneously rotate the front armrest frame along with the handle adjusting function, so that the device is convenient to use.
The utility model relates to a help driving vehicle draw gear that stands based on lever, hinge four-bar linkage is favorable to realizing helping the switching of standing and the flat position of sitting gesture of driving vehicle when using.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 3 is a schematic diagram of a partial three-dimensional structure of the present invention.
Fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 5 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 6 is a schematic diagram of a partial three-dimensional structure of the present invention.
In the figure: 1. the device comprises a supporting beam, 2, a cross beam frame, 3, a first push rod support, 4, an electric push rod, 5, a second push rod support, 6, a cross beam at the tail part of a traction arm, 7, the traction arm, 8 and 10mm vertical optical axis supporting frames, 9, a bearing seat, a 10 and 10mm diamond-shaped fixed seat, 11 and 10mm optical axes, 12, a horizontal front small arm, 13, a traction guard plate 14, a protective belt, 15 and 17mm optical axes, 16 and 17mm diamond-shaped bearing seats, 17, a handrail frame, 18 and 17mm vertical bearing seats, 19 and 17mm vertical optical axis fixed frames, 20, a square iron pull rod, 21, a locking ring, 22, a fastening backing plate, 23, an adjusting rod, 24, an adjusting handle, 25, a bearing plate, 26, a traction block, 27, a stress rod, 28, a base, 29, a compression spring, 30 and a blocking block.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in figures 1-6, the utility model comprises a symmetrical supporting beam 1, two ends of a beam frame 2 are symmetrically fixed by bolts in the middle of the supporting beam 1, a push rod bracket I3 is fixed by bolts on the beam frame 2, the other end of the push rod bracket I3 is fixed by bolts at the tail fixed end of an electric push rod 4, the extended push rod end of the electric push rod 4 is fixed at a push rod bracket II 5, the push rod bracket II 5 is fixed on a tail cross beam 6 of a traction arm by bolts, the tail cross beam 6 of the traction arm is fixed on a traction arm 7 by bolts, two bearing blocks 9 are symmetrically connected and fixed at the front end of the traction arm 7, two bearing holes of the two symmetrical bearing blocks 9 are rotationally connected with a 10mm optical axis 11, two ends of the 10mm optical axis 11 respectively pass through and are fastened and connected with two axial center holes of two symmetrical 10mm vertical optical axis supporting frames 8, the front end faces of the two symmetrical 10mm vertical optical axis supporting frames 8 are connected with a horizontal front small arm 12 by bolts, the horizontal front small arm 12 is fastened and connected with a through hole behind the traction guard plate 13 through a bolt, and the traction guard plate 13 is connected with the protective belt 14 in a sliding mode through a bolt.
The draft arm 7 is connected with the bottom surface fastening of two symmetrical 17mm vertical bearing blocks 18, the dead eye of two symmetrical 17mm vertical bearing blocks 18 rotates with 17mm optical axis 15 and is connected, 17mm optical axis 15 passes the two symmetrical shaft holes in the top of supporting beam 1 and connects fixedly.
The 15 intermediate positions of 17mm optical axis cross fixed two vertical optical axis mounts 19 of 17mm, the one end of two square iron pull rods 20 is fixed to the 19 centre gripping of two vertical optical axis mounts of 17mm, the other end of two square iron pull rods 20 is fixed by the 10 centre gripping of two symmetrical 10mm rhombus fixing bases, 10 dead eye and the 11 fixed connection of 10mm optical axis of two symmetrical 10mm rhombus fixing bases, 10mm optical axis 11 passes through bearing frame 9 fixed connection on draft arm 7.
The utility model discloses a handle of handrail frame 17, including 17mm optical axis 15, 17mm optical axis 15 both ends pass through the dead eye of two pairs of 17mm rhombus bearing frame 16 respectively, two pairs of 17mm rhombus bearing frame 16 are respectively through the bolt fastening on fastening backing plate 22, two pairs of fastening backing plate 22 upper ends pass through bolt and handrail frame 17 bilateral symmetry fixed connection, two regulation handle 24 of fixed symmetrical connection on the handle of handrail frame 17 top, adjust handle 24 bottom blind hole and adjust 23 one end fixed connection of pole, the pole 23 is adjusted to both sides can slide from top to bottom and the fixed blind hole cooperation of locking ring 21, both sides locking ring 21 and 17mm optical axis 15 fastening connection.
The adjusting handle 24 comprises a bearing plate 25 and a traction block 26 which are fixedly connected through bolts, the traction block 26 is provided with a bilateral symmetry blind hole and a middle lifting rod blind hole, the bilateral symmetry blind hole is respectively connected with one ends of two stress rods 27, the other ends of the two stress rods 27 respectively penetrate through two side holes of a handle base 28 and a compression spring 29 to be fixedly connected with two blocking blocks 30 at the bottom, the middle blind hole of the traction block 26 is fixedly connected with an adjusting rod 23, and the adjusting rod 23 penetrates through the middle through hole of the handle base 28 to be capable of sliding up and down to be matched with the fixed blind hole of a locking ring 21.
The utility model discloses the work flow does: fix on this device on helping the front end base of the driving vehicle by a supporting beam 1, when 4 push rods of electric putter are flexible, the push-and-pull will drive and fix and rotate about 17mm optical axis 15 on draft arm 7, fix by the one end of the 19 centre gripping square iron pull rods 20 of the vertical optical axis mount of 17mm in draft arm 7 and lock on 17mm optical axis 15, the other end is fixed by 10mm rhombus fixing base 10 and is locked on 10mm optical axis 11, 17mm optical axis 15 passes bearing frame 9 and rotates, when draft arm 7 rotates from top to bottom: the front end of the square iron pull rod 20 tensions the 10mm optical axis 11 to enable the square iron pull rod to rotate along with the optical axis, so that the horizontal front small arm 12 fixed on the 10mm optical axis 11 is always kept in the horizontal direction, and the protective belt 14 fixed on the horizontal front small arm 12 is also kept horizontal.
When the position of the handrail frame 17 is adjusted, the pressure bearing plate 25 is pressed, the traction block 26 of the pressure bearing spring 29 is extruded through the lever principle to lift the adjusting rod 23, the adjusting rod 23 is separated from the locking hole of the locking ring 21, the handrail frame 17 fixed on the 17mm diamond-shaped bearing seat 16 can rotate around the 17mm optical axis 15, when the position is adjusted to a proper position, the pressure bearing plate 25 is loosened, the pressure bearing spring 29 rebounds, the adjusting rod 23 is inserted into the locking hole of the locking ring 21, and the handrail frame 17 is fixed again.
The above disclosure is only one specific embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a help capable car of walking and stand draw gear based on lever, hinge four-bar linkage, includes a supporting beam (1) of symmetry, characterized by:
the symmetrical middle of the supporting beam (1) is fixed with two ends of a beam frame (2) through bolts, the beam frame (2) is fixed with a first push rod support (3) through bolts, the other side of the first push rod support (3) is connected with a tail fixed end of a fixed electric push rod (4) through bolts, the electric push rod (4) extends out of the push rod end and is fixed on one side of a second push rod support (5) through bolts, the second push rod support (5) is fixed on a tail cross beam (6) of a traction arm through bolts, the tail cross beam (6) of the traction arm is fixed on a traction arm (7) through bolts, two bearing blocks (9) are symmetrically connected and fixed on the two sides of the front end of the traction arm (7), two bearing holes of the two symmetrical bearing blocks (9) are connected with a 10mm optical axis (11) through, the two ends of the 10mm optical axis (11) are respectively connected with two ends through two axial center holes of two symmetrical 10mm vertical optical axis supporting frames (8) through fastening connection, preceding terminal surface of two vertical optical axis support frames of 10mm of symmetry (8) and preceding forearm of level (12) rear side both ends face bolted connection, the terminal surface uses the bolt-up to be connected with the through-hole of pulling behind forearm (12) before the level, pull backplate (13) and pass through bolt and protection band (14) sliding connection.
2. The rollator standing traction device based on the lever and hinge four-bar mechanism is characterized in that the rear end face of the traction arm (7) is in bolt fastening connection with the bottom faces of two symmetrical 17mm vertical bearing blocks (18), bearing holes of the two symmetrical 17mm vertical bearing blocks (18) are in rotating connection with a 17mm optical shaft (15), and the 17mm optical shaft (15) penetrates through two symmetrical shaft holes in the top of a support beam (1) and is connected and fixed.
3. A rollator standing traction device based on a lever, articulated four bar mechanism according to claim 2, characterized by: 17mm optical axis (15) intermediate position crosses fixed two vertical optical axis mounts (19) of 17mm, the one end of two vertical optical axis mounts (19) centre gripping welded fastening two square iron pull rods (20) of 17mm, the other end of two square iron pull rods (20) is by bisymmetry 10mm rhombus fixing base (10) centre gripping welded fastening, bisymmetry 10mm rhombus fixing base (10) dead eye and 10mm optical axis (11) fixed connection, 10mm optical axis (11) are through bearing frame (9) fixed connection at trailing arm (7) front end.
4. A rollator standing traction device based on a lever, articulated four bar mechanism according to claim 2, characterized by: 17mm optical axis (15) both ends are passed the dead eye of two pairs of 17mm rhombus bearing frame (16) respectively and are fixed it at both ends, two holes are respectively through the bolt fastening on fastening backing plate (22) about two pairs of 17mm rhombus bearing frame (16), two pairs of fastening backing plate (22) upper ends are through bolt and handrail frame (17) bilateral symmetry fixed connection, nested two regulation handle (24) of having fixed on handrail frame (17) top handle.
5. A rollator standing traction device based on a lever, articulated four bar mechanism according to claim 4, characterized by: including adjusting handle (24), its component part includes bearing plate (25) front end through-hole and the crisscross centre gripping of traction block (26) and passes through bolt fixed connection, traction block (26) have bilateral symmetry blind hole and middle pull rod blind hole, and bilateral symmetry blind hole is connected with two atress pole (27) upper ends respectively, the both sides through-hole and the pressurized spring (29) that pass handle base (28) respectively of the lower extreme of two atress poles (27) stop block (30) fixed connection with two bottoms, blind hole and regulation pole (23) upper end fixed connection in the middle of traction block (26), adjust pole (23) and pass handle base (28) middle through-hole can drive pressurized spring (29) rebound at bearing plate (25) and slide from top to bottom and the blind hole sliding fit on locking ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221065621.4U CN217118770U (en) | 2022-05-06 | 2022-05-06 | Walking aid vehicle standing traction device based on lever and hinge four-bar mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221065621.4U CN217118770U (en) | 2022-05-06 | 2022-05-06 | Walking aid vehicle standing traction device based on lever and hinge four-bar mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217118770U true CN217118770U (en) | 2022-08-05 |
Family
ID=82651840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221065621.4U Expired - Fee Related CN217118770U (en) | 2022-05-06 | 2022-05-06 | Walking aid vehicle standing traction device based on lever and hinge four-bar mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217118770U (en) |
-
2022
- 2022-05-06 CN CN202221065621.4U patent/CN217118770U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220805 |