CN112957205A

CN112957205A - Novel leg support

Info

Publication number: CN112957205A
Application number: CN202110361247.6A
Authority: CN
Inventors: 林仲勋
Original assignee: Beijing Chenglong Juling Trading Co ltd
Current assignee: Nanjing Halls Biological Technology Co Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-06-15
Anticipated expiration: 2041-04-02
Also published as: CN112957205B

Abstract

The invention relates to the field of medical orthopedics and discloses a novel leg support which comprises an upper supporting plate, wherein a lower supporting plate connected through a hinge is arranged at one end of the upper supporting plate, the upper supporting plate and the lower supporting plate can be respectively fixed to the lower sides of thighs and shanks, and a base is fixedly arranged at one end, close to the upper supporting plate, of the lower end face of the lower supporting plate. The leg support tightens legs of a wounded person by utilizing the hinged matching of the upper supporting plate and the lower supporting plate, effectively prevents the legs of the wounded person from shaking, supports the legs by utilizing the supporting rods which are kept in a vertical state with the ground, prevents muscle ache of the wounded person caused by the gravity of the legs, and relieves the fatigue of the legs of the wounded person.

Description

Novel leg support

Technical Field

The invention relates to the technical field of medical orthopedics, in particular to a novel leg support.

Background

When the ankle sprains and the shank is injured, the wounded generally need to crouch in bed, avoid the action of shank and ankle as far as possible, the wounded is because when physiological reasons need to get off the bed and walk about, the crooked vibration that can cause the muscle of shank arouses the patient extremely uncomfortable, when sitting the rest, the shank is in the state of straightening for a long time, cause muscle fatigue easily, patient's pain can not be alleviated to current shank nursing device, can not play fine protection to the patient under the state of standing, cause the secondary injury to take place easily.

Disclosure of Invention

The novel leg support provided by the invention has the advantages of leg support, solves the problem of bearing stress of the injured leg in a standing state, relieves muscle soreness caused by the gravity of the leg, and can assist the injured person to walk vertically.

The invention provides the following technical scheme: a novel leg support comprises an upper support plate, wherein one end of the upper support plate is provided with a lower support plate connected through a hinge, the upper support plate and the lower support plate can be respectively fixed at the lower sides of thighs and shanks, the lower end face of the lower support plate is close to one end of the upper support plate, a base is fixedly arranged inside the base, a rack accommodating cavity is arranged inside the base, a rack which can extend into the rack accommodating cavity is fixedly arranged at the lower end of the upper support plate, a power transmission assembly is arranged in the base, a support rod is hinged to the lower end face of the lower support plate at the side far away from the base, the lower end face of the lower support plate is provided with a support assembly which is mutually contacted with the ground, a telescopic assembly is arranged inside the support rod and can push the support assembly to extend, the furling assembly can drive the supporting assembly to retract.

The gear storage cavity is communicated with a gear storage cavity through a lower wall surface on one side, close to the gear, of the rack, a ratchet cavity is formed in one side of the gear storage cavity, a rope wheel cavity is formed in the ratchet cavity and corresponds to the other side of the gear storage cavity, a rope pulling component is arranged in the rope wheel cavity, and the rope pulling component can provide power for the furling component.

Carefully, ratchet chamber one side wall rotates and is equipped with and runs through the gear deposits chamber both sides wall and extends the integral key shaft of base terminal surface is located the base outside integral key shaft one end is fixed and is equipped with the unlocking plate, is located the gear is deposited intracavity portion the outer disc spline fit of integral key shaft has the straight-teeth gear, the outer disc of straight-teeth gear extends to the intracavity is settled to the rack, the outer terminal surface of rack be equipped with the outer disc of straight-teeth gear is the profile of tooth of mutually supporting, the rack can drive the straight-teeth gear rotates.

The ratchet wheel is characterized in that an outer ratchet wheel is fixedly arranged at one end of the spline shaft and positioned inside the ratchet wheel cavity, a side wall surface of the ratchet wheel cavity rotates to be provided with a synchronous disc which is coaxial with the spline shaft, a side end surface of the synchronous disc is fixedly provided with a reset spring between the outer ratchet wheel end surfaces, a side wall surface of the ratchet wheel cavity rotates to be provided with a rope wheel shaft which runs through the side wall surfaces of the rope wheel cavity, the side wall surface of the rope wheel cavity is positioned inside the rope wheel cavity, a rope wheel is fixedly arranged on the outer side surface of the rope wheel shaft, a stay cord is fixedly wound on the outer side surface of the rope wheel, a torsion spring sleeved on the outer side of the rope wheel shaft is fixedly arranged.

The ratchet mechanism is characterized in that an inner ratchet wheel is fixedly arranged at one end of the rope wheel shaft positioned in the ratchet wheel cavity, a pawl shaft is fixedly arranged at a position, deviating from the circle center, of one side end face of the inner ratchet wheel, a rotatable pawl is arranged on the outer circular surface of the pawl shaft, the pawl can be matched with the tooth form of the circumferential wall of the outer ratchet wheel in a forming mode, a baffle is fixedly arranged at a position, far away from the pawl shaft, of one side end face of the inner ratchet wheel, a return spring is fixedly arranged between the end face of the baffle and the outer circular surface of the pawl, and.

The ground grabbing device is characterized in that a slidable displacement block is arranged on the inner wall surface of the extension cavity, an extension rod extending out of the support rod is fixedly arranged on the lower end surface of the displacement block, ground grabbing rubber is connected to a ball pin at the lower end of the extension rod, and ground grabbing force can be enhanced through the ground grabbing rubber.

Carefully selecting, the inside fixed electro-magnet that is equipped with of displacement piece, the electro-magnet upside the bracing piece inside is fixed and is equipped with armature, displacement piece circular telegram can with armature inter attraction, displacement piece up end with fixed being equipped with supporting spring between the wall on the bracing piece.

The selection, draw in the subassembly in including fixing the release link of terminal surface under the bottom suspension fagging, the inside return link that is equipped with of release link deposits the chamber, the fixed return link that is equipped with of bracing piece terminal surface extends to the return link deposits the intracavity portion draws back the pole, is located the return link deposits the intracavity portion draw back one end of the pole is fixed to be equipped with and leads the slide, lead slide a side end face with the return link deposits the fixed return spring that is equipped with between the chamber wall, lead slide another side terminal surface with the return link deposits all fixedly between the intracavity internal face and is equipped with touch switch, touch switch can control the circular telegram of electro-magnet, the stay cord other end with lead slide terminal surface fixed connection.

Carefully, go up the backup pad with all fixed being equipped with the bandage between the outer terminal surface of bottom suspension fagging, the bandage can be bound the shank.

The invention has the following beneficial effects:

1. the invention effectively prevents the leg of the wounded from shaking by tightening the leg of the wounded through the hinged fit of the upper supporting plate and the lower supporting plate, and prevents the wounded from muscle ache caused by the self gravity of the leg by supporting the leg by the supporting rod which is kept in a vertical state with the ground, thereby relieving the fatigue of the leg of the wounded.

2. The invention utilizes the extensible extension rod to extend the supporting length, thereby being convenient for the wounded to stand and walk, and simultaneously supporting the legs of the wounded in a standing state, and reducing the harm to the legs when the wounded walks.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a schematic view at B-B of FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at C;

FIG. 5 is a schematic view taken at D-D in FIG. 4;

FIG. 6 is an enlarged view of E in FIG. 1;

fig. 7 is an enlarged view of F in fig. 6.

In the figure: 11. an upper support plate; 12. a lower support plate; 13. binding bands; 14. a base; 15. a rack housing chamber; 16. a rack; 17. a gear storage chamber; 18. a spline shaft; 19. a spur gear; 20. an unlocking plate; 21. a ratchet cavity; 22. a sheave cavity; 23. a synchronization disc; 24. an outer ratchet wheel; 25. a return spring; 26. an inner ratchet wheel; 27. a pawl shaft; 28. a pawl; 29. a rope pulley shaft; 30. a sheave; 31. pulling a rope; 32. a torsion spring; 33. a baffle plate; 34. a return spring; 35. a support bar; 36. an extension cavity; 37. a displacement block; 38. an extension rod; 39. a grip rubber; 40. an electromagnet; 41. a support spring; 42. an armature; 43. a reset lever; 44. a pull rod storage chamber; 45. a guide slide plate; 46. the pull rod is pulled back; 47. a touch switch; 48. the spring is pulled back.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a novel leg support comprises an upper support plate 11, a lower support plate 12 hinged to one end of the upper support plate 11, the upper support plate 11 and the lower support plate 12 can be fixed to the lower sides of thighs and shanks respectively, a base 14 is fixed to a lower end surface of the lower support plate 12 near the upper support plate 11, a rack housing cavity 15 is arranged inside the base 14, a rack 16 capable of extending into the rack housing cavity 15 is fixed to the lower end of the upper support plate 11, a power transmission assembly is arranged inside the base 14, a support rod 35 is hinged to a lower end surface of the lower support plate 12 far away from the base 14, a support assembly in contact with the ground is arranged on the lower side of the support rod 35, a telescopic assembly is arranged inside the support rod 35 and can push the support assembly to extend, a furling assembly is arranged between the outer circular surface of the support rod 35 and one side end surface of the lower support plate 12, and the furling assembly can drive the support assembly to retract.

The rack arrangement cavity 15 is communicated with a gear storage cavity 17 through the lower wall surface on one side, close to the rack 16, of the rack, a ratchet cavity 21 is arranged on one side of the gear storage cavity 17, a rope wheel cavity 22 is arranged on the other side, opposite to the gear storage cavity 17, of the ratchet cavity 21, a rope wheel component is arranged inside the rope wheel cavity 22, and the rope wheel component can provide power for the furling component.

Wherein, ratchet chamber 21 one side wall rotates to be equipped with and runs through the gear deposits chamber 17 both sides wall and extends the integral key shaft 18 of 14 terminal surfaces of base is located the base 14 the outside 18 one end of integral key shaft is fixed and is equipped with unlocking plate 20, is located the gear is deposited intracavity 17 inside 18 outer disc spline of integral key shaft cooperates and is had straight-

teeth gear

19, 19 outer discs of straight-teeth gear extend to in the chamber 15 is settled to the rack, 16 outer terminal surfaces of rack be equipped with the profile of tooth that 19 outer discs of straight-teeth gear mutually supported, rack 16 can drive straight-teeth gear 19 rotates.

The outer ratchet wheel 24 is fixedly arranged at one end of the spline shaft 18 and located inside the ratchet wheel cavity 21, a synchronizing disc 23 which is coaxial with the spline shaft 18 is arranged on one side wall surface of the ratchet wheel cavity 21 in a rotating mode, a reset spring 25 is fixedly arranged between one side end surface of the synchronizing disc 23 and the end surface of the outer ratchet wheel 24, a rope wheel shaft 29 which penetrates through two side wall surfaces of the rope wheel cavity 22 is arranged on one side wall surface of the ratchet wheel cavity 21 in a rotating mode, a rope wheel 30 is fixedly arranged on the outer circular surface of the rope wheel shaft 29 and located inside the rope wheel cavity 22, a pull rope 31 is fixedly wound on the outer circular surface of the rope wheel 30, a torsion spring 32 which is sleeved on the outer side of the rope wheel shaft 29 is fixedly arranged between one side wall surface of the rope wheel cavity 22 and the end.

An inner ratchet wheel 26 is fixedly arranged at one end of the rope wheel shaft 29 positioned in the ratchet wheel cavity 21, a pawl shaft 27 is fixedly arranged at a position, deviating from the circle center, of one side end face of the inner ratchet wheel 26, a rotatable pawl 28 is arranged on the outer circular surface of the pawl shaft 27, the pawl 28 can be matched with the tooth form of the circumferential wall of the outer ratchet wheel 24, a baffle 33 is fixedly arranged at a position, far away from the pawl shaft 27, of one side end face of the inner ratchet wheel 26, a return spring 34 is fixedly arranged between the end face of the baffle 33 and the outer circular surface of the pawl 28, and the baffle 33 can limit the rotation angle of the pawl 28.

The inner wall surface of the extension cavity 36 is provided with a slidable displacement block 37, the lower end surface of the displacement block 37 is fixedly provided with an extension rod 38 extending out of the support rod 35, a ground grabbing rubber 39 is connected to a ball pin at the lower end of the extension rod 38, and the ground grabbing rubber 39 can enhance the ground grabbing force.

The electromagnet 40 is fixedly arranged inside the displacement block 37, the armature 42 is fixedly arranged inside the supporting rod 35 on the upper side of the electromagnet 40, the displacement block 37 can be mutually attracted with the armature 42 when being electrified, and the supporting spring 41 is fixedly arranged between the upper end face of the displacement block 37 and the upper wall face of the supporting rod 35.

Wherein, draw in the subassembly including fixing reset rod 43 of terminal surface under backup pad 12, reset rod 43 is inside to be equipped with the pull-back rod and deposits chamber 44, the fixed extension that is equipped with of bracing piece 35 terminal surface is to the pull-back rod deposits the pull-back rod 46 of chamber 44 inside, is located the pull-back rod deposits the chamber 44 inside pull-back rod 46 one end is fixed to be equipped with and leads slide 45, lead slide 45 a side terminal surface with the pull-back rod deposits and is equipped with pull-back spring 48 between the chamber 44 wall fixedly, lead slide 45 another side terminal surface with the pull-back rod deposits and all fixedly is equipped with touch switch 47 between the chamber 44 internal face, touch switch 47 can control the break-make electricity of electro-magnet 40, the stay cord 31 other end with lead slide 45 terminal surface fixed connection.

And binding bands 13 are fixedly arranged between the outer end faces of the upper supporting plate 11 and the lower supporting plate 12, and the binding bands 13 can bind the legs.

The working principle is as follows:

initially, the upper support plate 11 and the lower support plate 12 are in the same linear position, the pawl 28 and the outer ratchet 24 are matched with each other, the return spring 25 and the torsion spring 32 are in a free state, the electromagnet 40 is in a power-on state, the displacement block 37 and the extension rod 38 are in the upper limit position, the support spring 41 is in a compressed state, the pull-back spring 48 is in a free state, and the pull-back rod 46 is in an extended state.

The upper supporting plate 11 and the lower supporting plate 12 are respectively attached to the lower sides of thighs and calves of the wounded, the upper supporting plate 11 and the lower supporting plate 12 are bound by the binding band 13, when the legs of the wounded extend, the upper supporting plate 11 and the lower supporting plate 12 are located at the same straight line position, the pull rod 46 is located at the limit position, the supporting rod 35 is pushed to be perpendicular to the ground, the ground rubber 39 is in contact with the ground and supports the lower supporting plate 12, the disease aggravation and muscle soreness caused by long-time suspension of the legs are avoided, when the wounded want to stand, the thighs are stressed and the calves are stressed synchronously, the lower supporting plate 12 is driven to rotate, a certain included angle is gradually formed between the lower supporting plate 12 and the upper supporting plate 11, the base 14 is driven to rotate towards the side close to the upper supporting plate 11, and the rack 16 and the straight gear 19 move relatively, then the straight gear 19 and the spline shaft 18 are driven to rotate, and the outer ratchet wheel 24 is driven to rotate, at this time, through the mutual cooperation with the pawl 28, the power is transmitted into the inner ratchet wheel 26, and then the rope pulley shaft 29 is driven to rotate, and then the rope pulley 30 is driven to rotate and wind the rope pulley 31, at this time, the torsion spring 32 carries out a certain torsion force accumulation, the rope pulley 31 winds and simultaneously drives the guide slide plate 45 to move to the side close to the lower support plate 12 and compress the pull-back spring 48, at this time, the guide slide plate 45 drives the support rod 35 to rotate and draw the lower support plate 12 together through the pull-back rod 46, at this time, the guide slide plate 45 is disconnected from the touch switch 47 on the inner wall surface of the pull-back rod storage cavity 44, and then the power supply to the electromagnet 40 is stopped, the magnetic force of the electromagnet 40 disappears, the displacement block 37 moves to the side, then the ground rubber 39 is driven to extend, the ground rubber 39 extends to a position beyond the sole of the foot, when the wounded stands, the upper support plate 11 and the lower support plate 12 are kept in a straight state again by the force of the large and small legs, and then the straight gear 19 and the spline shaft 18 are driven to rotate in the opposite direction, at this time, the rope wheel shaft 29 cannot be driven to rotate due to the power one-way transmission function of the ratchet wheel assembly, so that the ground rubber 39 can be kept in contact with the ground, and the legs are supported, the wounded can be assisted to walk by the support of the extension rod 38 and the ground rubber 39, when the wounded is in a sitting state again after the movement is finished, the unlocking plate 20 is held by one hand to pull outwards, so that the spline shaft 18 and the outer ratchet wheel 24 are driven to move outwards, the return spring 25 is compressed, at this time, the pawl 28 is disengaged from the outer ratchet wheel 24, and the restriction of the inner ratchet wheel 26 is released, the rope sheave 30 reversely rotates under the action of the torsional moment of the rope sheave shaft 29, and then the pull rope 31 is released, after the rope sheave 30 stops rotating, the control on the unlocking plate 20 is released, the outer ratchet wheel 24 resets under the action of the elastic force of the return spring 25 and the matching of the outer ratchet wheel 24 and the pawl 28 is completed, after the pull rope 31 is released, the guide sliding plate 45 moves towards one side far away from the lower support plate 12 under the action of the elastic force of the pull-back spring 48, the support rod 35 is pushed to rotate towards one side far away from the lower support plate 12 through the pull-back rod 46, the inner wall of the pull-back rod storage cavity 44 is mutually abutted against the touch switch 47 on the end face of the guide sliding plate 45 at the moment, and then the electromagnet 40 is electrified again to generate magnetic force, so that the armature 42 is attracted, the extension rod 38.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A novel leg support comprises an upper support plate (11), and is characterized in that: the upper supporting plate (11) is provided with a lower supporting plate (12) connected through a hinge, the upper supporting plate (11) and the lower supporting plate (12) can be fixed on the lower sides of thighs and shanks respectively, the lower end face of the lower supporting plate (12) is close to a base (14) fixed at one end of the upper supporting plate (11), a rack settling cavity (15) is arranged in the base (14), a rack (16) capable of extending into the rack settling cavity (15) is fixedly arranged at the lower end of the upper supporting plate (11), a power transmission assembly is arranged in the base (14), the lower end face of the lower supporting plate (12) far away from one side of the base (14) is connected through a hinge to a supporting rod (35), a supporting assembly in mutual contact with the ground is arranged on the lower side of the supporting rod (35), a telescopic assembly is arranged in the supporting rod (35), and can push the, a furling assembly is arranged between the outer circular surface of the support rod (35) and one side end surface of the lower support plate (12), and the furling assembly can drive the support assembly to retract.

2. A novel leg support as claimed in claim 1, wherein: the rack is settled chamber (15) and is close to lower wall face intercommunication in rack (16) one side is equipped with the gear and deposits chamber (17), the gear is deposited chamber (17) one side and is equipped with ratchet chamber (21), ratchet chamber (21) for the gear is deposited chamber (17) opposite side and is equipped with rope wheel chamber (22), rope wheel chamber (22) inside is equipped with the stay cord subassembly, the stay cord subassembly can be for draw in the subassembly and provide power.

3. A novel leg support as claimed in claim 2, wherein: ratchet chamber (21) a lateral wall rotates and is equipped with and runs through the gear is deposited chamber (17) both sides lateral wall and is extended spline shaft (18) of base (14) terminal surface are located the base (14) outside spline shaft (18) one end is fixed and is equipped with unlocking plate (20), is located the gear is deposited chamber (17) inside spline shaft (18) outer disc spline fit has straight-teeth gear (19), the outer terminal surface of rack (16) be equipped with the profile of tooth of straight-teeth gear (19) outer disc mutually supporting, rack (16) can drive straight-teeth gear (19) rotate.

4. A novel leg support as claimed in claim 2, wherein: be located inside ratchet chamber (21) spline shaft (18) one end is fixed and is equipped with outer ratchet (24), ratchet chamber (21) a lateral wall rotate be equipped with spline shaft (18) synchronization disc (23) with the axle center, synchronization disc (23) a lateral wall face with fixedly between outer ratchet (24) the terminal surface be equipped with reset spring (25), ratchet chamber (21) a lateral wall rotates and is equipped with and runs through rope sheave shaft (29) of rope sheave chamber (22) both sides lateral wall face, be located inside rope sheave chamber (22) rope sheave shaft (29) outer disc is fixed and is equipped with rope sheave (30), rope sheave (30) outer disc is fixed to be twined and has stay cord (31), rope sheave chamber (22) a lateral wall face with fixedly being equipped with the cover between rope sheave (30) the terminal surface torsion spring (32) in the rope sheave shaft (29) outside.

5. A novel leg support as claimed in claim 4, wherein: an inner ratchet wheel (26) is fixedly arranged at one end of the rope wheel shaft (29) positioned in the ratchet wheel cavity (21), a pawl shaft (27) is fixedly arranged at a position, deviating from the circle center, of one side end face of the inner ratchet wheel (26), a pawl (28) capable of rotating is arranged on the outer circular face of the pawl shaft (27), the pawl (28) can be matched with the tooth form of the circumferential wall of the outer ratchet wheel (24), a baffle (33) is fixedly arranged at a position, far away from the pawl shaft (27), of one side end face of the inner ratchet wheel (26), and a return spring (34) is fixedly arranged between the end face of the baffle (33) and the outer circular face of the pawl (28.

6. A novel leg support as claimed in claim 1, wherein: extend chamber (36) internal face and be equipped with gliding displacement piece (37), the fixed extension rod (38) that extend of displacement piece (37) lower extreme face extension bracing piece (35), extension rod (38) lower extreme ball round pin is connected with grabs ground rubber (39), it can strengthen and grab ground power to grab ground rubber (39).

7. A novel leg support as claimed in claim 6, wherein: the utility model discloses a displacement block, including displacement block (37), bracing piece (35), displacement block (37) inside fixed be equipped with electro-magnet (40), electro-magnet (40) upside the bracing piece (35) inside fixed be equipped with armature (42), displacement block (37) circular telegram can with armature (42) inter attraction, displacement block (37) up end with fixed supporting spring (41) that are equipped with between the wall on bracing piece (35).

8. A novel leg support as claimed in claim 1, wherein: the furling assembly comprises a reset rod (43) fixed on the lower end surface of the lower supporting plate (12), a pull-back rod storage cavity (44) is arranged in the reset rod (43), a pull-back rod (46) extending into the pull-back rod storage cavity (44) is fixedly arranged on the end surface of the support rod (35), a guide sliding plate (45) is fixedly arranged at one end of the pull-back rod (46) positioned in the pull-back rod storage cavity (44), a pull-back spring (48) is fixedly arranged between the end surface of one side of the guide sliding plate (45) and the wall surface of the pull-back rod storage cavity (44), touch switches (47) are fixedly arranged between the end surface of the other side of the guide sliding plate (45) and the inner wall surface of the pull-back rod storage cavity (44), the touch switch (47) can control the electromagnet (40) to be powered on or off, the other end of the pull rope (31) is fixedly connected with the end face of the guide sliding plate (45).

9. A novel leg support as claimed in claim 1, wherein: go up backup pad (11) with all fixed bandage (13) of being equipped with between the outer terminal surface of lower support plate (12), bandage (13) can be bound the shank.