CN111110526A

CN111110526A - Medical walking stick with lifting and anti-skidding functions

Info

Publication number: CN111110526A
Application number: CN202010038668.0A
Authority: CN
Inventors: 张振香; 梅永霞; 林蓓蕾; 李媛; 付忠荣; 刘凤; 栾文艳; 任慧; 王少阳; 李炎
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-05-08

Abstract

The invention discloses a medical crutch with lifting and anti-skidding functions, which comprises an armpit support frame, supporting legs, an adjusting mechanism and an anti-skidding mechanism, wherein the adjusting mechanism and the anti-skidding mechanism are used for adjusting the height of the medical crutch; the landing leg is provided with an anti-skid mechanism, and the anti-skid mechanism is provided with a retractable anti-skid supporting rod; the side of the armpit support bracket is also provided with a control switch for controlling the anti-skid mechanism. The medical crutch with the lifting anti-skidding function has the advantages of strong anti-skidding function, flexible and convenient use, adjustable height and high universality, and has the anti-skidding arrangement capable of being automatically folded and unfolded according to different external environments and conditions.

Description

Medical walking stick with lifting and anti-skidding functions

Technical Field

The invention relates to the technical field of medical supplies, in particular to a medical crutch with lifting and anti-skidding functions.

Background

The crutch is an important medical rehabilitation aid and is divided into a crutch, an elbow stick, an axillary stick and the like, and in hospitals, the crutch is a common aid for patients who are inconvenient to move or after operations; however, the requirements of patients are different, the specifications of the walking stick are different, which greatly increases the purchase cost of hospitals, but for some patients who have inconvenient actions or after operation, the walking stick is an indispensable auxiliary tool, which can help the patients to walk after operation and help the patients to recover. However, the common crutch is supported by a single rod for convenient walking, is very easy to fall down when walking on wet and slippery ground, is mostly weak, and can be rescued in time once falling down, so that the later fruit cannot be imagined; in the prior art, the antiskid is mostly carried out by adopting a rubber sleeve, the rubber sleeve is easy to wear, and the antiskid capability is poor.

Chinese patent publication No. CN105640745B discloses a medical walking stick, including the telescopic link, two bracing piece fixedly connected with cane heads are passed through to the one end of telescopic link to be equipped with the handle between two bracing pieces, the other end threaded connection of telescopic link has the stay tube, the bottom of stay tube is equipped with the end cover, the end cover passes through screw and sets up at the inside anti-skidding rubber pad fixed connection of stay tube to the upper surface of anti-skidding rubber pad contacts with the reserve anti-skidding rubber pad that sets up at the stay tube internal middle part, be provided with the core bar between reserve anti-skidding rubber pad and the telescopic link, and the surface cover of core bar is equipped with the spring.

Although the anti-skidding rubber pad can play an anti-skidding role, the rubber pad is easy to wear, the anti-skidding capacity is poor, and the problem to be solved is solved by how to enable the medical crutch to have a better anti-skidding effect and adjust the height.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a medical crutch with a lifting antiskid function, which has strong antiskid function, flexible and convenient use and high universality and can be automatically folded and unfolded according to different external environments and conditions.

In order to achieve the purpose, the invention provides the following technical scheme:

a medical crutch with lifting and anti-skidding functions comprises an armpit support bracket, a supporting leg, an adjusting mechanism and an anti-skidding mechanism, wherein the adjusting mechanism is used for adjusting the height of the medical crutch; the anti-skid mechanism is arranged on the supporting leg, and a retractable anti-skid supporting rod is arranged on the anti-skid mechanism; the side of the armpit support bracket is also provided with a control switch for controlling the anti-skid mechanism.

According to the medical crutch with the lifting and anti-skidding functions, the connecting column is fixedly arranged above the supporting leg, and the adjusting mechanism is fixedly connected with the connecting column; a storage battery is arranged inside the supporting leg and is electrically connected with the control switch; the landing leg is provided with a circular chute, a plurality of mounting grooves are formed in the circumference of the outer wall of the landing leg, the mounting grooves are communicated with the circular chute, the inner wall of each mounting groove is provided with a magnet, and the bottom end of each mounting groove is an inclined plane.

The medical crutch with the lifting antiskid function comprises an electric push rod, a sliding ring, a limit stop block, an installation block and an antiskid support rod; a plurality of electric putter's the equal fixed mounting in one end is in the lower extreme of spliced pole, it is a plurality of electric putter is located a plurality of respectively the inside of mounting groove, electric putter with control switch electric connection.

The equal fixedly connected with slip ring of electric putter's the other end, the slip ring slides and sets up in the ring spout, the outside of slip ring corresponds every electric putter's the equal fixed limit stop that is equipped with in position, every limit stop's the equal fixed installation piece that is equipped with in below, every the rotation groove has all been seted up on the installation piece, every all rotate the connection in the rotation groove and set up one anti-skidding branch, anti-skidding branch's terminal surface is for cooperating the gliding convex terminal surface design in inclined plane of mounting groove bottom.

According to the medical crutch with the lifting anti-skidding function, the supporting legs and the anti-skidding support rods are provided with rubber anti-skidding layers on the end faces which are in contact with the ground.

The medical crutch with the lifting and anti-skidding functions comprises an adjusting pipe, a locking rod, a lifting pipe, a lifting chute, a rack and a rotation adjusting device.

The utility model discloses a locking device, including spliced pole, control post, regulating pipe fixed connection install on the spliced pole, the lateral wall upper portion of regulating pipe is opened there is the through-hole, slidable mounting has the locking lever in the through-hole, a terminal surface of locking lever is equipped with the locking tooth, another terminal surface of locking lever is equipped with the locking piece, it is provided with the spring to lie in between locking tooth and the regulating pipe inner wall on the locking lever.

The upper part of the side wall of the adjusting pipe is perpendicular to the locking rod and is also provided with a pair of rotating through holes in the radial direction.

The intraductal endwise slip of regulating tube is provided with the fall way, the lateral wall circumference equipartition of fall way is opened has a plurality of lift spouts, the two bisymmetry of lift spout, the locking tooth passes the lift spout stretches into the fall way inner chamber, the fixed rack that is equipped with of inner wall of fall way.

According to the medical crutch with the lifting anti-skidding function, the rotation adjusting device comprises a rotating shaft, a gear and a hand wheel.

The rotating shaft penetrates through the pair of rotating through holes and the pair of lifting chutes at the same time and is arranged on the adjusting pipe in a rotating mode, the end portion of the rotating shaft extends out of the adjusting pipe, and a hand wheel is fixedly arranged at the end portion of the rotating shaft.

The lifting pipe is characterized in that a gear is fixedly arranged on the rotating shaft and is located in the lifting pipe, the gear is meshed with the rack and the locking teeth respectively, the gear and the rack are meshed for driving the lifting pipe to slide up and down along the inner wall of the adjusting pipe, and the locking teeth and the gear meshing control rotation adjusting device rotate to lock and limit the lifting pipe.

According to the medical crutch with the lifting and anti-skidding functions, the supporting column is fixedly arranged below the armpit support bracket, and the lifting pipe is fixedly connected with the supporting column; the armpit support is provided with a plurality of handles which are anti-skid handles.

Compared with the prior art, the invention has the beneficial effects that:

1. the anti-skid mechanism is arranged on the supporting leg, the electric push rod is driven by the storage battery arranged in the supporting leg to push the sliding ring to drive the limit stop block to move, and then the mounting block is driven to move, so that the anti-skid supporting rod is unfolded and retracted; when the anti-skid supporting rod is unfolded, the use clearance can be ensured, and the crutch can be placed vertically.

2. The cooperation design of ring spout and mounting groove on the landing leg can provide the space of packing up when retrieving for anti-skidding branch, and the inner wall of mounting groove is provided with magnet, avoids appearing rocking behind anti-skidding branch income mounting groove, and the convenience is used in normal highway section, and occupation space is convenient for depositing simultaneously.

3. By adopting the adjusting mechanism, the lifting pipe is controlled and adjusted to lift through the meshing of the gear, the rack and the locking teeth, so that the height of the medical crutch is adjusted, the medical crutch is suitable for different patients, the acquisition and supply cost is reduced, and the universality is improved.

4. The bottom of mounting groove is the inclined plane, and the terminal surface of antiskid branch is the design of convex terminal surface, is favorable to smooth roll-off expansion after antiskid branch is promoted, prevents to be blocked.

5. The anti-skid supporting rod is unfolded and retracted by controlling the transmission of the anti-skid mechanism through the control switch, the degree of automation is high, the height of the medical crutch can be adjusted by rotating the hand wheel, the operation of a patient is facilitated, and the use is simple.

Drawings

Fig. 1 is a schematic perspective view of the medical crutch of the invention.

Fig. 2 is a schematic view of the unfolding three-dimensional structure of the anti-skid strut of the medical crutch of the invention.

Fig. 3 is an exploded view of the adjusting mechanism of the medical crutch of the invention.

FIG. 4 is a schematic view of a partial cross-sectional structure of an adjusting tube of the medical crutch of the invention.

Fig. 5 is a schematic partial three-dimensional structure view of the anti-slip mechanism of the medical crutch.

Fig. 6 is an enlarged schematic view of a portion a in fig. 2.

Fig. 7 is a schematic perspective view of a leg according to the present invention.

In the figure: 1. the armpit support comprises an armpit support frame, 101, a handle, 102, a supporting column, 2, an adjusting mechanism, 201, a lifting pipe, 202, a rack, 203, a gear, 204, a rotating through hole, 205, an adjusting pipe, 206, a hand wheel, 207, a rotating shaft, 208, a lifting sliding groove, 209, a locking rod, 210, a spring, 211, locking teeth, 212, a locking block, 3, an anti-skidding mechanism, 301, an anti-skidding supporting rod, 302, a limit stop, 303, a sliding ring, 304, an installation block, 305, a rotating groove, 306, an electric push rod, 4, a supporting leg, 401, a connecting column, 402, a circular ring sliding groove, 403, an installation groove, 5 and a control switch.

Detailed Description

The technical solution of the present invention will be described in further detail below with reference to the detailed description and the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a medical crutch with lifting and anti-skidding functions comprises an armpit support 1 and a leg 4, and is characterized by further comprising an adjusting mechanism 2 and an anti-skidding mechanism 3 for adjusting the height of the medical crutch, wherein the adjusting mechanism 2 is arranged below the armpit support 1, and the leg 4 is arranged below the adjusting mechanism 2; the anti-skid mechanism 3 is arranged on the supporting leg 4, and the retractable anti-skid supporting rod 301 is arranged on the anti-skid mechanism 3; the side of the armpit support bracket 1 is also provided with a control switch 5 for controlling the anti-skid mechanism 3.

In the application, a connecting column 401 is fixedly arranged above the supporting leg 4, and the adjusting mechanism 2 is fixedly connected with the connecting column 401; a storage battery is arranged inside the supporting leg 4 and is electrically connected with the control switch 5; the supporting leg 4 is provided with a circular sliding groove 402, the circumference of the outer wall of the supporting leg 4 is provided with a plurality of mounting grooves 403, the mounting grooves 403 are communicated with the circular sliding groove 402, the inner wall of the mounting grooves 403 is provided with magnets, and the bottom end of the mounting grooves 403 is an inclined surface.

The ring sliding groove 402 and the mounting groove 403 enable the anti-slip mechanism 3 to slide, a space for packing up the anti-slip support rod 301 is provided, the storage battery provides electric energy for the anti-slip mechanism 3, and the magnet can attract the anti-slip support rod 301 to avoid shaking.

In the application, the anti-skid mechanism 3 comprises an electric push rod 306, a sliding ring 303, a limit stop 302, a mounting block 304 and an anti-skid strut 301; a plurality of electric putter 306's one end is all fixed mounting in the lower extreme of spliced pole 401, and a plurality of electric putter 306 is located a plurality of respectively the inside of mounting groove 403, electric putter 306 with control switch 5 electric connection.

The equal fixedly connected with slip ring 303 of electric putter 306 other end, the slip ring 303 slides and sets up in the ring spout 402, the outside of slip ring 303 corresponds every electric putter 306's position is all fixed and is equipped with limit stop 302, every limit stop 302's below is all fixed and is equipped with installation piece 304, every rotation groove 305 has all been seted up on the installation piece 304, every all rotate in the rotation groove 305 and connect and set up one antiskid branch 301, antiskid branch 301's terminal surface is for can cooperating the gliding convex terminal surface design of inclined plane of installation groove 403 bottom.

Electric putter 306 promotes slip ring 303, and slip ring 303 drives limit stop 302 and removes, and limit stop 302 drives installation piece 304 and removes, and installation piece 304 drives anti-skidding branch 301 and removes, and simultaneously anti-skidding branch 301's terminal surface is for can cooperating the gliding convex terminal surface design of inclined plane of mounting groove 403 bottom makes anti-skidding branch 301 expand through mounting groove 403, later carries out spacingly by limit stop 302 to enlarge the support area, carry out antiskid.

In the application, rubber anti-slip layers are arranged on the end surfaces of the supporting legs 4 and the anti-slip supporting rods 301, which are in contact with the ground; the anti-skid effect is further enhanced.

In the present application, the adjusting mechanism 2 includes an adjusting pipe 205, a locking rod 209, an elevating pipe 201, an elevating chute 208, a rack 202, and a rotation adjusting device.

Adjusting tube 205 fixed connection installs on spliced pole 401, open on adjusting tube 205's lateral wall upper portion has the through-hole, slidable mounting has locking lever 209 in the through-hole, a terminal surface of locking lever 209 is equipped with locking tooth 211, another terminal surface of locking lever 209 is equipped with locking block 212, it is provided with spring 210 to lie in between locking tooth 211 and the adjusting tube 205 inner wall on the locking lever 209.

The upper part of the side wall of the adjusting pipe 205 is perpendicular to the locking rod 209 and is also provided with a pair of rotating through holes 204 in the radial direction.

The intraductal endwise slip of 205 pipes of regulation is provided with elevator pipe 201, elevator pipe 201's lateral wall circumference equipartition is opened has a plurality of lift spouts 208, two bisymmetry of lift spout 208, locking tooth 211 passes lift spout 208 stretches into the elevator pipe 201 inner chamber, elevator pipe 201's inner wall is fixed and is provided with rack 202, and in this embodiment, rack 202 fixed mode is the welding.

The regulation pipe 205 lumen provides the sliding space for elevator pipe 201, lift spout 208 makes elevator pipe 201 can go up and down and not blockked, the locking piece 212 on the locking lever 209 of pulling, locking lever 209 drives locking tooth 211 and removes, compress spring 210, relieve the locking to locking tooth 211 simultaneously, when the appropriate position is adjusted to elevator pipe 201, loosen locking piece 212 on the locking lever 209, spring 210 kick-backs, it locks to drive locking tooth 211, locking piece 212 is spacing to locking lever 209, prevent to drop.

In the present application, the rotation adjusting means includes a rotation shaft 207, a gear 203, and a handwheel 206.

The rotating shaft 207 penetrates through the pair of rotating through holes 204 and the pair of lifting chutes 208 at the same time and is rotatably arranged on the adjusting pipe 205, the end part of the rotating shaft 207 extends out of the adjusting pipe 205, and a hand wheel 206 is fixedly arranged at the end part of the rotating shaft 207.

When the elevator tube 201 is adjusted in an elevating manner, the elevating chute 208 enables the elevator tube 201 to be lifted without being blocked, and meanwhile, the elevating chute 208 also has a limiting effect on the elevator tube 201, so that the elevator tube 201 is ensured to be lifted upwards without falling out of the adjusting tube 205.

Still fixedly on the axis of rotation 207 being provided with gear 203, gear 203 is located the elevator pipe 201 is intraductal, gear 203 respectively with rack 202 with locking tooth 211 meshes, gear 203 with rack 202 meshes the transmission and drives elevator pipe 201 is followed adjust the pipe 205 inner wall and slide from top to bottom, locking tooth 211 with gear 203 meshes the control and rotates adjusting device and rotate and lock spacingly to elevator pipe 201.

The hand wheel 206 is rotated, the hand wheel 206 drives the rotating shaft 207 to rotate, the rotating shaft 207 drives the gear 203 to rotate, and the gear 203 is in meshing transmission with the rack 202, so that the lifting pipe 201 is driven to ascend or descend to move, and the height of the medical crutch is adjusted.

In the application, a supporting column 102 is fixedly arranged below the armpit support bracket 1, and the lifting pipe 201 is fixedly connected with the supporting column 102; the armpit support is characterized in that a plurality of handles 101 are arranged on the armpit support bracket 1, and the handles 101 are anti-skidding handles.

Support column 102 both plays the effect of connecting elevator pipe 201, makes the armpit support 1 more stable simultaneously again, and a plurality of handles 101 and handle 101 are anti-skidding handles, make things convenient for different patients to grasp, have improved the universality.

The working principle of the invention is as follows: when a patient with a leg injury needs to move, the height of the patient is adjusted according to the self condition, the armpit support bracket 1 is placed under an armpit, the locking block 212 on the locking rod 209 is pulled, the locking rod 209 drives the locking teeth 211 to move, the spring 210 is compressed, meanwhile, the locking of the locking teeth 211 on the gear 203 is released, then, the handle 101 is held by a hand, the hand wheel 206 is rotated, the hand wheel 206 drives the rotating shaft 207 to rotate, the rotating shaft 207 drives the gear 203 to rotate, the gear 203 is in meshed transmission with the rack 202, so that the lifting pipe 201 is driven to ascend or descend to move, the height of the medical crutch is adjusted to be proper, then, the locking block 212 on the locking rod 209 is released, and the spring 210 rebounds to drive the.

When a slippery road section is encountered, the control switch 5 is pressed, the electric push rod 306 is started to push the sliding ring 303, the sliding ring 303 drives the limit stop 302 to move, the limit stop 302 drives the mounting block 304 to move, the mounting block 304 drives the anti-skidding support rod 301 to move, the anti-skidding support rod 301 is unfolded through the mounting groove 403 and then limited by the limit stop 302, so that the supporting area is enlarged, and anti-skidding is carried out; after leaving the wet road section, the control switch 5 is pressed again, the electric push rod 306 is retracted, the anti-slip support rod 301 is retracted into the mounting groove 403, the magnet inside the mounting groove 403 attracts the anti-slip support rod 301, and the anti-slip support rod 301 is prevented from shaking.

In conclusion, the anti-skid mechanism 3 is adopted, the anti-skid support rod 301 is driven by the electric push rod 306 to expand and contract, the grounding area is increased, and the anti-skid capacity of the medical crutch is greatly enhanced; by adopting the matching of the circular sliding groove 402 and the mounting groove 403, a retracting space can be provided for the anti-slip support rod 301 when being retracted, and the anti-slip support rod is convenient to use in a normal road section; by adopting the adjusting mechanism 2, the lifting pipe 201 is controlled to lift and lock by matching the gear 203, the rack 202 and the locking teeth 211, so that the height of the medical crutch can be adjusted, the crutch is suitable for different patients, the collecting and supplying cost is reduced, and the universality is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The medical crutch with the lifting and anti-skidding functions comprises an armpit support bracket (1) and supporting legs (4), and is characterized by further comprising an adjusting mechanism (2) and an anti-skidding mechanism (3), wherein the adjusting mechanism (2) is used for adjusting the height of the medical crutch, the adjusting mechanism (2) is arranged below the armpit support bracket (1), and the supporting legs (4) are arranged below the adjusting mechanism (2); the anti-skid mechanism (3) is arranged on the supporting leg (4), and the retractable anti-skid supporting rod (301) is arranged on the anti-skid mechanism (3); the side surface of the armpit support bracket (1) is also provided with a control switch (5) for controlling the anti-skid mechanism (3).

2. The medical crutch with lifting and anti-skidding functions as claimed in claim 1, wherein a connecting column (401) is fixedly arranged above the supporting leg (4), and the adjusting mechanism (2) is fixedly connected with the connecting column (401); a storage battery is arranged in the supporting leg (4), and the storage battery is electrically connected with the control switch (5); the supporting leg is characterized in that a circular sliding groove (402) is formed in the supporting leg (4), a plurality of mounting grooves (403) are formed in the circumference of the outer wall of the supporting leg (4), the mounting grooves (403) are communicated with the circular sliding groove (402), magnets are arranged on the inner wall of the mounting grooves (403), and the bottom end of the mounting grooves (403) is an inclined plane.

3. The medical crutch with the function of lifting and anti-skidding as per claim 1, characterized in that the anti-skidding mechanism (3) comprises an electric push rod (306), a sliding ring (303), a limit stop (302), a mounting block (304) and an anti-skidding strut (301); one end of each of the electric push rods (306) is fixedly arranged at the lower end of the connecting column (401), the electric push rods (306) are respectively positioned in the mounting grooves (403), and the electric push rods (306) are electrically connected with the control switch (5);

the equal fixedly connected with slip ring (303) of the other end of electric putter (306), slip ring (303) slide and set up in ring spout (402), the outside of slip ring (303) corresponds every electric putter (306)'s position is all fixed and is equipped with limit stop (302), every limit stop (302)'s below is all fixed and is equipped with installation piece (304), every rotation groove (305) have all been seted up on installation piece (304), every all rotate in rotation groove (305) and connect and set up one anti-skidding branch pole (301), the terminal surface of anti-skidding branch pole (301) is for can cooperating the gliding convex terminal surface design of inclined plane of installation groove (403) bottom.

4. The medical crutch with lifting and anti-skidding functions as claimed in claim 1, wherein the end surfaces of the supporting legs (4) and the anti-skidding supporting rods (301) which are in contact with the ground are provided with rubber anti-skidding layers.

5. The medical crutch with the lifting antiskid function according to claim 1, wherein the adjusting mechanism (2) comprises an adjusting tube (205), a locking rod (209), a spring (210), a lifting tube (201), a lifting chute (208), a rack (202) and a rotation adjusting device;

the adjusting pipe (205) is fixedly connected and installed on the connecting column (401), a through hole is formed in the upper portion of the side wall of the adjusting pipe (205), a locking rod (209) is installed in the through hole in a sliding mode, a locking tooth (211) is arranged on one end face of the locking rod (209), a locking block (212) is arranged on the other end face of the locking rod (209), and a spring (210) is arranged between the locking tooth (211) and the inner wall of the adjusting pipe (205) on the locking rod (209);

the upper part of the side wall of the adjusting pipe (205) is vertical to the locking rod (209) and is also provided with a pair of rotating through holes (204) in the radial direction;

the intraductal endwise slip of control tube (205) is provided with fall way (201), the lateral wall circumference equipartition of fall way (201) is opened has a plurality of lift spout (208), lift spout (208) two bisymmetries, locking tooth (211) pass lift spout (208) stretch into fall way (201) inner chamber, the inner wall of fall way (201) is fixed and is provided with rack (202).

6. The medical crutch with lifting antiskid function of claim 5, wherein said rotation adjusting device comprises a rotation shaft (207), a gear (203) and a handwheel (206);

the rotating shaft (207) penetrates through the pair of rotating through holes (204) and the pair of lifting sliding grooves (208) at the same time and is rotatably arranged on the adjusting pipe (205), the end part of the rotating shaft (207) extends out of the adjusting pipe (205), and a hand wheel (206) is fixedly arranged at the end part of the rotating shaft (207);

the fixed gear (203) that is provided with still on axis of rotation (207), gear (203) are located fall way (201) is intraductal, gear (203) respectively with rack (202) with locking tooth (211) meshing, gear (203) with rack (202) meshing transmission drives fall way (201) are followed adjust pipe (205) inner wall and slide from top to bottom, locking tooth (211) with gear (203) meshing control rotates adjusting device and rotates and lock spacingly to fall way (201).

7. The medical crutch with lifting and anti-skidding functions as claimed in claims 1-6, wherein a supporting column (102) is fixedly arranged below the armpit support (1), and the lifting pipe (201) is fixedly connected with the supporting column (102); the armpit support is characterized in that a plurality of handles (101) are arranged on the armpit support bracket (1), and the handles (101) are anti-skidding handles.