CN210078081U - Wheelchair supported by straight legs - Google Patents
Wheelchair supported by straight legs Download PDFInfo
- Publication number
- CN210078081U CN210078081U CN201920196111.2U CN201920196111U CN210078081U CN 210078081 U CN210078081 U CN 210078081U CN 201920196111 U CN201920196111 U CN 201920196111U CN 210078081 U CN210078081 U CN 210078081U
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- CN
- China
- Prior art keywords
- folding rod
- ball
- universal
- wheelchair
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000007306 turnover Effects 0.000 claims description 12
- 210000002414 leg Anatomy 0.000 abstract description 29
- 210000003414 extremity Anatomy 0.000 abstract description 13
- 206010030113 Oedema Diseases 0.000 abstract description 5
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 210000001699 lower leg Anatomy 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 2
- 244000309466 calf Species 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 208000012271 tenesmus Diseases 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 206010061599 Lower limb fracture Diseases 0.000 description 1
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model discloses a straight leg supported wheelchair, which comprises a seat and a seat frame, wherein the seat is provided with a seat surface, the wheelchair also comprises a support, the support comprises a fixing frame, a horizontal turning and folding rod, a vertical turning and folding rod, a limiting mechanism, a universal mechanism and a supporting plate, the fixing frame is fixed with the seat frame, the horizontal turning and folding rod is horizontally hinged at one end of the fixing frame, the vertical turning and folding rod is vertically hinged at the other end of the horizontal turning and folding rod, the supporting plate is fixed at the other end of the vertical turning and folding rod through the universal mechanism, and the limiting mechanism is positioned between the horizontal turning and folding rod and the vertical turning and folding rod; the foldable support and the support plate are additionally arranged below the chair frame of the wheelchair, the affected limb is lifted and kept in a straight leg posture through the support plate on the support, postoperative edema of the affected limb is prevented, and pain generated when the crus drop is reduced.
Description
Technical Field
The utility model relates to a wheelchair, in particular to a wheelchair supported by straight legs.
Background
The wheelchair is a chair provided with wheels, is an important moving tool for the rehabilitation, turnover transportation, treatment and outgoing activities of wounded, patients and disabled people at home, not only meets the requirements of physically disabled people and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the movement of family members and the care of patients.
At present, when a common wheelchair is used by a fracture patient (thigh or calf fracture), if the patient steps on a wheelchair pedal, the calf and thigh of the common wheelchair are in a natural sagging state, which can bring the following problems:
(1) due to the drooping legs, the pulling force at the fracture is offset, which can exacerbate the patient's pain and discomfort.
(2) The tissue fluid stays in the leg along with the gravity and is easy to accumulate on the leg to cause edema and swelling of the affected limb.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheelchair that straight leg supported through add the support and the layer board that can turn over the book in the chair frame below of wheelchair, will suffer from the limb and raise and keep the posture of straight leg through the layer board on the support, prevent to suffer from limb postoperative edema, the pain that produces when reducing the shank tenesmus.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a wheelchair supported by straight legs comprises a seat and a seat frame, wherein the seat is provided with a seat surface, the wheelchair further comprises a support, the support comprises a fixing frame, a horizontal turning rod, a vertical turning rod, a limiting mechanism, a universal mechanism and a supporting plate, the fixing frame is fixed with the seat frame, the horizontal turning rod is horizontally hinged to one end of the fixing frame, the vertical turning rod is vertically hinged to the other end of the horizontal turning rod, the supporting plate is fixed to the other end of the vertical turning rod through the universal mechanism, and the limiting mechanism is positioned between the horizontal turning rod and the vertical turning rod;
the limiting mechanism is used for limiting and adjusting the included angle between the vertical turnover rod and the horizontal turnover rod;
and the universal mechanism is used for adjusting the orientation angle of the supporting plate.
Preferably, universal mechanism includes universal ball, ball cover and is used for the fixed first locking structure of universal ball, universal ball is located inside the ball cover, and the ball cover is located the vertical outer end that turns over the pole, and ball cover open-top, layer board are fixed in on the universal ball, and the layer board is located ball cover open-top.
Preferably, a rod-shaped connecting rod is further connected between the universal ball and the supporting plate, a notch for enabling the connecting rod to turn in a vertical plane is formed in the side wall of the ball sleeve, and the notch is communicated with the opening.
Preferably, the first locking structure comprises a limiting convex ring, a top block and a first locking bolt, the limiting convex ring is located on the inner wall of the opening of the ball sleeve, the universal ball is located between the top block and the limiting convex ring, the inner diameter of the limiting convex ring is smaller than the outer diameter of the universal ball, the ball sleeve is provided with a first threaded hole corresponding to the first locking bolt, and the top block is provided with an inclined plane which enables the top block to tightly press the universal ball on the limiting convex ring along with the screwing of the first locking bolt.
Preferably, the ball sleeve is sleeved on the side wall of the ejector block, the ejector block is fixed at the outer end of the vertical turnover rod, and the ball sleeve can rotate circumferentially relative to the ejector block/the vertical turnover rod.
Preferably, the limiting mechanism comprises a hinged disc, an inserting plate and a second locking structure, wherein a slot is formed in the middle of the hinged disc, the inserting plate is inserted into the slot in the middle of the hinged disc, and the hinged disc is hinged to the inserting plate through a pivot; the second locking structure comprises a second threaded hole and a second locking bolt; the second screw hole is opened in the articulated dish outer wall, and second locking bolt passes second screw hole and compresses tightly the plugboard.
Preferably, the supporting plate is an arc-shaped plate with the middle part sunken downwards.
Compared with the prior art, the wheelchair supported by the straight legs has the following beneficial effects that:
one, adopt the utility model discloses a wheelchair that straight leg supported turns over a pole and a vertical pole that turns over through addding mount, level in the chair frame below of wheelchair, and the attendant can be folded out the support from the chair frame below and use, raises the shank and keeps the posture of straight leg through last layer board, prevents to suffer from limb postoperative edema, reduces the pain that produces when the shank tenesmus.
Secondly, adjust the height of layer board through stop gear, the angle of rethread universal mechanism adjustment layer board to satisfy different height leg length patients' demand.
Thirdly, because the support can be turned over below the chair frame to move, when the support is folded and enters the lower part of the chair frame, the support can also be used for other patients with inconvenient actions to normally use.
Drawings
Fig. 1 is a schematic structural view (unfolded state) of an embodiment 1 of the straight-leg supporting wheelchair of the present invention.
Fig. 2 is a schematic structural view (folded state) of the wheelchair supported by the straight legs in embodiment 1.
Fig. 3 is a side view of the wheelchair supported by the straight legs in embodiment 1.
Fig. 4 is a schematic structural view of the stent in example 1.
Fig. 5 is an exploded view of the stent of example 1.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a sectional view of the gimbal mechanism in embodiment 1.
Fig. 8 is a schematic structural view of the gimbal mechanism in embodiment 1.
FIG. 9 is a schematic structural view of a wheelchair supported by straight legs according to embodiment 2.
Fig. 10 is a schematic structural view of a wheelchair supported by straight legs according to embodiment 2.
Reference numerals: 1. a fixed mount; 21. a horizontal folding bar; 22. a vertical folding rod; 3. a universal mechanism; 30. a ball sleeve; 300. a limit convex ring; 301. a notch; 31. a universal ball; 310. a connecting rod; 32. a first locking bolt; 33. a top block; 4. a limiting mechanism; 40. a hinged disk; 400. a slot; 401. a second threaded hole; 41. a plugboard; 42. a second locking bolt; 5. and (7) a supporting plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1:
the wheelchair supported by the straight legs as shown in fig. 1 to 8 comprises a seat, a seat frame and a foldable and movable bracket, wherein the seat is provided with a seat surface, the bracket is positioned below the seat surface, the bracket can be folded, when the bracket is unfolded outwards (as shown in fig. 1 and 3), the bracket 5 above can be supported, and the single-side leg of a patient can be lifted and supported to keep the straight leg state, so that the pain caused by falling is avoided, and the edema condition of the affected limb is effectively relieved. When the wheelchair is not needed to be used, if the patient is inconvenient to move after recovery, the support can be folded to the folded state shown in the figure 2, the support is folded under the chair surface, and the patient can normally sit on the wheelchair without lifting the legs.
As shown in fig. 4 and 5, the support comprises a fixed frame 1, a horizontal folding rod 21, a vertical folding rod 22, a limiting mechanism 4, a universal mechanism 3 and a supporting plate 5, wherein the functions of the components are as follows:
① the fixed mount 1 is fixed with the chair frame, mainly plays the role of integral support and fixation.
② the horizontal turning and folding rod 21 is hinged on one end of the fixed mount 1, mainly responsible for the whole horizontal turning and folding movement of the bracket, and the unfolding and the contraction need the horizontal movement of the horizontal turning and folding rod 21 to realize.
③ the vertical folding rod 22 is hinged on the other end of the horizontal folding rod 21, and the height and the front and back position of the supporting plate 5 can be adjusted by matching with the limit mechanism 4.
④ the limiting mechanism 4 is used to limit and adjust the angle between the vertical folding rod 22 and the horizontal folding rod 21, and the vertical folding rod 22 and the horizontal folding rod 21 are regulated and fixed by limiting their movement.
⑤ the position-limiting mechanism 4 is located between the horizontal folding rod 21 and the vertical folding rod 22, the universal mechanism 3 is used for adjusting the orientation angle of the supporting plate 5, which is the final adjustment of the supporting plate 5, so that the supporting plate can adapt to the patient and the patient can find the most comfortable elevation posture of the affected limb.
⑥ the supporting board 5 is fixed on the other end of the vertical folding rod 22 through the universal mechanism 3, mainly uses the plate surface to bear the affected limb, and raises the affected limb to the recovery position, the supporting board 5 is an arc board with the middle part sinking downwards, when the affected limb is raised, the affected limb naturally falls into the middle part of the supporting board 5, and is not easy to fall off from the edge.
As shown in fig. 5 and 6, the limiting mechanism 4 includes a hinge plate 40, a plug board 41 and a second locking structure, a slot 400 is formed in the middle of the hinge plate 40, the plug board 41 is inserted into the slot 400 in the middle of the hinge plate 40, and the hinge plate 40 and the plug board 41 are hinged through a pivot; the second locking structure comprises a second threaded hole 401 and a second locking bolt 42; the second screw hole 401 is opened on the outer wall of the hinge plate 40, and the second locking bolt 42 passes through the second screw hole 401 to press the inserting plate 41. The second locking bolt 42 is pressed into the surface of the plugboard 41 by screwing the second locking bolt 42, and the plugboard 41 is clamped by improving the friction between the two bolts, so that the movement between the vertical turnover rod 22 and the horizontal turnover rod 21 is limited by the limiting mechanism.
As shown in fig. 7 and 8, the universal mechanism 3 includes a universal ball 31, a ball sleeve 30 and a first locking structure for fixing the universal ball 31, the universal ball 31 is located inside the ball sleeve 30, the ball sleeve 30 is located at the outer end of the vertical turnover rod 22, the top of the ball sleeve 30 is open, the support plate 5 is fixed on the universal ball 31, and the support plate 5 is located above the opening of the ball sleeve 30. Universal mechanism can make whole layer board 5 produce conical angle of regulation at the 30 openings of ball cover, and the user can adjust the angle of layer board 5 wantonly in this within range to make layer board 5 the orientation angle can reach the most selection, follow-up fixes universal ball 31 through first locking structure, makes it unable rotation, accomplishes the regulation of layer board 5 angle.
As shown in fig. 7, the first locking structure includes a limiting convex ring 300, a top block 33 and a first locking bolt 32, the limiting convex ring 300 is located on the inner wall of the opening of the ball sleeve 30, the universal ball 31 is located between the top block 33 and the limiting convex ring 300, the inner diameter of the limiting convex ring 300 is smaller than the outer diameter of the universal ball 31, the ball sleeve 30 is provided with a first threaded hole corresponding to the first locking bolt 32, and the top block 33 is provided with an inclined surface which enables the top block 33 to compress the universal ball 31 on the limiting convex ring 300 along with the screwing-in of the first locking bolt 32. Screw in through first locking bolt 32 and push up the conical surface tightly, make the kicking block compress tightly 33 universal ball in spacing bulge loop 330, realize universal ball 31 fixed, the contact point during locking is more, and is fixed reliable and stable, and universal ball 31 is difficult for taking place to deflect along with layer board 5 pressurized.
As shown in fig. 8, a rod-shaped connecting rod 310 is further connected between the universal ball 31 and the supporting plate 5, a notch 301 for allowing the connecting rod 310 to turn in a vertical plane is formed in the side wall of the ball sleeve 30, and the notch 301 is communicated with the opening. The purpose of the notch 301 is to make the universal ball 31 turn downward at a certain angle to the position of the notch 301, so as to obtain a larger adjusting range in the vertical plane.
Wherein, ball cover 30 cup joints in kicking block 33 lateral wall, and kicking block 33 is fixed in the outer end of vertical folding rod 22 that turns over, and ball cover 30 can be relative kicking block 33/vertical folding rod 22 rotation in circumference, and the conical surface is the toper inclined plane, and kicking block 33 horizontal rotation 360 first locking bolt 32 still can aim at the conical surface, and the ball cover can be 360 rotations in the horizontal plane promptly to the angle of regulation notch 301 and layer board 5.
In the embodiment, the wheelchair supported by the straight legs is mainly used for a patient with unilateral leg fracture, and the position of the support can be the left leg or the right leg.
Example 2:
this example is further optimized for example 1 to accommodate any lateral limb of the patient.
As shown in fig. 9, the wheelchair supported by the straight legs in the embodiment includes two brackets, and the brackets can support the left leg or the right leg of the patient, and can also support both legs simultaneously.
When the support is not needed, the wheelchair can be normally used only by taking the two supports into the lower part of the seat through the horizontal turnover rod 21, and when the wheelchair is folded, the angle of the supporting plate 5 is adjusted through the universal mechanism, so that the wheelchair can be stored more orderly, as shown in fig. 10.
The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.
Claims (7)
1. A straight-leg supported wheelchair comprising a seat and a frame, the seat having a seating surface, characterized in that: the folding chair is characterized by further comprising a support, wherein the support comprises a fixing frame (1), a horizontal folding rod (21), a vertical folding rod (22), a limiting mechanism (4), a universal mechanism (3) and a supporting plate (5), the fixing frame (1) is fixed with the chair frame, the horizontal folding rod (21) is horizontally hinged to one end of the fixing frame (1), the vertical folding rod (22) is vertically hinged to the other end of the horizontal folding rod (21), the supporting plate (5) is fixed to the other end of the vertical folding rod (22) through the universal mechanism (3), and the limiting mechanism (4) is located between the horizontal folding rod (21) and the vertical folding rod (22);
the limiting mechanism (4) is used for limiting and adjusting the included angle between the vertical folding rod (22) and the horizontal folding rod (21);
the universal mechanism (3) is used for adjusting the orientation angle of the supporting plate (5).
2. The straight leg supported wheelchair of claim 1, wherein: universal mechanism (3) are including universal ball (31), ball cover (30) and be used for the fixed first locking structure of universal ball (31), inside universal ball (31) were located ball cover (30), and ball cover (30) are located the vertical outer end that turns over folding rod (22), and ball cover (30) open-top, on layer board (5) were fixed in universal ball (31), layer board (5) were located ball cover (30) opening top.
3. The straight leg supported wheelchair of claim 2, wherein: a rod-shaped connecting rod (310) is further connected between the universal ball (31) and the supporting plate (5), a notch (301) for enabling the connecting rod (310) to turn in a vertical plane is formed in the side wall of the ball sleeve (30), and the notch (301) is communicated with the opening.
4. The straight-leg supported wheelchair as claimed in claim 2 or 3, wherein: the first locking structure comprises a limiting convex ring (300), a top block (33) and a first locking bolt (32), the limiting convex ring (300) is located on the inner wall of an opening of a ball sleeve (30), a universal ball (31) is located between the top block (33) and the limiting convex ring (300), the inner diameter of the limiting convex ring (300) is smaller than the outer diameter of the universal ball (31), a first threaded hole corresponding to the first locking bolt (32) is formed in the ball sleeve (30), and the top block (33) is provided with an inclined surface which is screwed in along with the first locking bolt (32) to enable the top block (33) to tightly press the universal ball (31) on the limiting convex ring (300).
5. The straight leg supported wheelchair of claim 4, wherein: the ball sleeve (30) is sleeved on the side wall of the ejector block (33), the ejector block (33) is fixed at the outer end of the vertical turnover rod (22), and the ball sleeve (30) can rotate circumferentially relative to the ejector block (33)/the vertical turnover rod (22).
6. The straight leg supported wheelchair of claim 1, wherein: the limiting mechanism (4) comprises a hinged disc (40), an inserting plate (41) and a second locking structure, wherein a slot (400) is formed in the middle of the hinged disc (40), the inserting plate (41) is inserted into the slot (400) in the middle of the hinged disc (40), and the hinged disc (40) is hinged to the inserting plate (41) through a pivot; the second locking structure comprises a second threaded hole (401) and a second locking bolt (42); the second threaded hole (401) is formed in the outer wall of the hinged disc (40), and the second locking bolt (42) penetrates through the second threaded hole (401) to press the plug board (41).
7. The straight leg supported wheelchair of claim 1, wherein: the supporting plate (5) is an arc-shaped plate with the middle part sunken downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196111.2U CN210078081U (en) | 2019-02-14 | 2019-02-14 | Wheelchair supported by straight legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196111.2U CN210078081U (en) | 2019-02-14 | 2019-02-14 | Wheelchair supported by straight legs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210078081U true CN210078081U (en) | 2020-02-18 |
Family
ID=69470742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920196111.2U Expired - Fee Related CN210078081U (en) | 2019-02-14 | 2019-02-14 | Wheelchair supported by straight legs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210078081U (en) |
-
2019
- 2019-02-14 CN CN201920196111.2U patent/CN210078081U/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: 20200218 |