CN111840011A - Armpit walking stick for patient with wrist injury - Google Patents

Abstract

The invention discloses an underarm crutch for a patient with a wrist injury, which comprises a body, a stay bar arranged at the bottom end of the body and a stay block arranged at the top end of the body, wherein a holding rod is rotatably arranged at the middle position of the body, a forearm accommodating mechanism is rotatably arranged at the top in the body, and the forearm accommodating mechanism is used for accommodating the forearm of the patient; an adjusting mechanism is arranged between the forearm containing mechanism and the top end of the body, and the inclination angle of the forearm containing mechanism can be adjusted through the adjusting mechanism. The forearm accommodating mechanism comprises a barrel body used for accommodating the forearm of a patient, a support ring body is arranged on the periphery of the barrel body, the support ring body is rotatably arranged between the tops of the body through a rotating shaft, and an elbow supporting mechanism is arranged at the rear end of the barrel body. When the wrist of the patient is injured, the forearm is inserted into the forearm accommodating mechanism, the adjusting mechanism is locked to fix the forearm accommodating mechanism, and the patient can drive the crutch to walk through the forearm, so that the adaptability of the crutch is improved.

Description

Armpit walking stick for patient with wrist injury

Technical Field

The invention relates to the technical field of walking sticks, in particular to an underarm walking stick for a patient with a wrist injury.

Background

As is well known, China has a large population base, and in recent years, China is slowly entering an aging society. For some elderly people with slow mobility or people with disabled legs, the crutch is widely used in the elderly people with slow mobility or people with disabled legs because the crutch is used as an auxiliary support tool for the legs when the user walks, and the user can keep the balance of the body.

At present, most of conventional walking sticks in the market are stick-shaped structures made of wood or metal materials, and the walking sticks are widely applied to traditional Chinese medical walking sticks in hospitals, and the medical walking sticks can stably support patients.

However, the current medical crutch has the following disadvantages:

1. when the wrist of a patient is injured and cannot exert force, the medical crutch cannot be used and cannot be driven to walk together, so that the adaptability of the crutch is poor.

2. Some patients are relatively weak after the operation, the crutch is lifted (the forearm and the rear arm are straightened) in a manner of holding the rod with hands, the shoulder muscle group is required to exert force, and the shoulder muscle group (compared with the pectoral muscle, the dorsal muscle and other large muscle groups) of a common person is small in strength, so that in the lifting process of the crutch, the crutch is difficult to be effectively controlled in a manner of lifting the wrist with the shoulder force.

3. The wrist grips the holding rod, the holding rod is used as the force application end of the arm, and the distance between the force application end and the movable end (shoulder position) is longer, so that the force arm is increased when the force application point has insufficient muscle action force, and the difficulty of gripping the crutch by the wrist is increased.

Disclosure of Invention

The invention aims to provide an underarm crutch for a patient with a wrist injured.A forearm accommodating mechanism is loosened through an adjusting mechanism when the wrist of the patient is injured, the forearm accommodating mechanism is rotated to be in a horizontal state, then the forearm is inserted into the forearm accommodating mechanism, the adjusting mechanism is locked to fix the forearm accommodating mechanism, the patient can drive the crutch to walk through the forearm, the adaptability is improved, and for a user without an injured wrist, the forearm accommodating mechanism is locked in a vertical state through the adjusting mechanism, so that the use is convenient.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: an armpit crutch for a patient with an injured wrist comprises a support, a support rod arranged at the bottom end of the support and a support pad arranged at the top end of the support, wherein a holding rod is rotatably arranged at the middle position of the support, a forearm accommodating mechanism is rotatably arranged at the inner top of the support, and the forearm accommodating mechanism is used for accommodating the forearm of the patient;

an adjusting mechanism is arranged between the forearm containing mechanism and the top end of the support, and the inclination angle of the forearm containing mechanism can be adjusted through the adjusting mechanism;

the forearm holds the mechanism and includes the barrel that is used for holding patient's forearm, the periphery of barrel is equipped with the support ring type body, the support ring type body rotates through the pivot and sets up in the support, the rear end of barrel is equipped with elbow supporting mechanism.

Preferably, elbow supporting mechanism is including the fixed sliding sleeve that sets up in the barrel bottom, it is equipped with the backup pad to slide in the sliding sleeve, be equipped with the retaining member between backup pad and the sliding sleeve, the both ends of backup pad all are equipped with spacing piece.

Preferably, the front end of the barrel is provided with air holes, and reinforcing ribs are arranged between the barrel and the supporting ring body.

Preferably, adjustment mechanism is including setting up the fixed block in the barrel both sides, it is equipped with the connecting plate to rotate through the round pin axle on the fixed block, the other end of connecting plate is equipped with the mounting panel, two be equipped with the rectilinear movement part between the mounting panel, the locating hole has been seted up along the direction of height in the support top, through the handle the rectilinear movement part inserts the locating hole of co-altitude not, can adjust the inclination of barrel.

Preferably, the linear moving part comprises a linear bearing arranged on the mounting plate, an inserting rod is arranged in the linear bearing, the outer end of the inserting rod is inserted into the positioning hole, two sleeves are arranged on the peripheries of the inner ends of the inserting rods, notches are formed in the top ends of the sleeves, vertical rods are fixed to the inner ends of the inserting rods, and the top ends of the vertical rods extend to the outer sides of the notches.

Preferably, a return spring is arranged between the inner ends of the two inserted rods.

Preferably, the cross section of the supporting plate adopts an arc structure, and the size of the limiting piece is larger than the inner diameter of the sliding sleeve.

Preferably, the barrel adopts a conical shell structure, and one end of the barrel close to the elbow is larger than the other end of the barrel.

Preferably, the support adopts the type of falling U structure, and the support top is greater than the size of bottom, the periphery of holding rod is equipped with the sponge cover.

Preferably, the middle part and the tail end of the cylinder body are both provided with a butt joint device, the middle part of the cylinder body is connected with the bracket by the butt joint device, the tail end of the cylinder body is connected with the adjusting mechanism, and the butt joint device comprises a butt joint groove, a magnetic suction plate, a magnetic suction block, a top block and a pull rope; the butt joint groove is formed in the rotating shaft of the barrel body and the rotating position of the adjusting mechanism and the barrel body, the opening is outward, the magnetic suction plate is fixed to the bottom of the butt joint groove, through grooves are formed in positions, corresponding to the butt joint groove, on the support and the adjusting mechanism, the magnetic suction block and the ejection block are arranged in the through grooves, limiting grooves are formed in two sides of each through groove, and the moving distance of the magnetic suction block is limited by the limiting grooves; the magnetic suction block and the jacking block are connected into a whole, and the magnetic suction block is positioned at one side close to the magnetic suction plate; the pull rope is connected to one end of the top block, which is far away from the magnetic block; the magnetic suction block and the magnetic suction plate attract each other, so that the magnetic suction block and the ejector block move towards the magnetic suction plate together, the magnetic suction block moves out of the through groove and enters the butt joint groove until being attached to the surface of the magnetic suction plate, and the pull rope is used for resetting the magnetic suction block.

Preferably, the docking device further comprises a limiting plate and a compression spring; compression spring cup joints in the magnetism piece outside to be located the spacing inslot, support and adjustment mechanism all with limiting plate sliding connection, limiting plate and kicking block vertical distribution, kicking block and limiting plate are connected to the stay cord.

Compared with the prior art, the armpit crutch for the patient with the injured wrist has the following beneficial effects:

one, when patient's wrist is injured, through adjustment mechanism not hard up forearm receiving mechanism to rotatory forearm receiving mechanism to horizontality, then insert the forearm receiving mechanism in, locking adjustment mechanism is in order to fix forearm receiving mechanism, and the patient can drive the walking stick walking through the forearm, has improved the adaptability of walking stick, does not have injured user to the wrist, through adjustment mechanism forearm receiving mechanism locking in vertical state, convenient to use.

The crutch is suitable for a patient with a wrist injury, and when the crutch is used, the forearm of the patient is lifted upwards, the forearm bends (the included angle between the forearm and the rear arm tends to be vertical) and is lifted upwards, and the muscle group with force of the lifting action mainly takes the pectoral muscle to assist the shoulder-arm muscle group. Therefore, the lifting force is stronger when the patient lifts the bed, the patient can use the bed more easily, and the bed is suitable for the patient with postoperative weakness.

And thirdly, when the holding posture of the crutch is changed, the force application end moves backwards from the wrist to the elbow position, the force arm is shortened after the muscle group exerting force is improved, so that the lifting and controlling of the crutch are easier to control, and the crutch is prevented from slipping.

Set up interfacing apparatus, can judge through approximate direction position in advance, the user is in this position within range, constantly probes the adjustment and aims at the position, through judging the state of magnetism piece of inhaling, can discern whether aim at completely, aim at providing an automatic butt joint, it is more convenient when letting user's barrel dress back to this new technical problem of inconvenient wearing to take off that brings when solving and setting up the barrel and solving technical problem.

Fifthly, after the magnetic suction block enters the butt joint groove, the ejector block moves along with the magnetic suction block, the limiting plate can slide downwards, the ejector block is tightly ejected towards one side of the magnetic suction block through the limiting plate, the magnetic suction block is prevented from popping out of the butt joint groove, the effect similar to a safety bolt is achieved, the problem that the magnetic suction block is convenient to wear and take off can be solved, and the guarantee of safety is achieved for the stability and the strength of connection of the magnetic suction block.

Drawings

FIG. 1 is a perspective view of the underarm crutch for a patient with a wrist injury.

Fig. 2 is a side view of the embodiment.

Fig. 3 is a top view of the embodiment.

Fig. 4 is a perspective view of the forearm receiving mechanism and adjustment mechanism of an embodiment.

Fig. 5 is a perspective view (another perspective view) of the forearm receiving mechanism and adjustment mechanism of the embodiment.

Fig. 6 is a front view of the forearm receiving mechanism and adjustment mechanism of an embodiment.

Fig. 7 is a perspective view of an adjusting mechanism in the embodiment.

Fig. 8 is a side view (in a state where the forearm receiving mechanism is retracted) in the embodiment.

FIG. 9 is a schematic view showing the use of the cylinder in example 2 with the bracket and the connecting plate detached.

Fig. 10 is a sectional view of the docking device in embodiment 2.

Fig. 11 is an active schematic view of the docking device in embodiment 2.

Reference numerals: the device comprises a support 1, a support rod 2, a holding rod 3, a support pad 4, a forearm containing mechanism 5, a cylinder body 51, reinforcing ribs 511, air holes 512, a rotating shaft 52, a support ring body 53, a fixing block 54, an adjusting mechanism 55, a connecting plate 551, a mounting plate 552, a linear bearing 553, an insertion rod 554, a sleeve 555, a notch 556, a return spring 557, a vertical rod 558, a positioning hole 559, a sliding sleeve 56, a locking member 561, a support plate 57, a limiting sheet 58, a butt joint device 6, a butt joint groove 60, a magnetic suction plate 61, a magnetic suction block 62, a top block 63, a limiting plate 64, a compression spring 65 and a pull rope 66.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Example 1:

the underarm crutch for the patient with the wrist injury as shown in fig. 1-3 comprises a bracket 1, a support rod 2 arranged at the bottom end of the bracket 1 and a support pad 4 arranged at the top end of the bracket 1, wherein a holding rod 3 is rotatably arranged at the middle position of the bracket 1, the bracket 1 adopts an inverted U-shaped structure, the top end of the bracket 1 is larger than the size of the bottom end, and a sponge sleeve is arranged at the periphery of the holding rod 3; support 1 fixes vaulting pole 2, hold in the palm and fill up 4 and holding rod 3, during the use, hold in the palm and fill up 4 centre gripping in the armpit, support ground with vaulting pole 2, hold holding rod 3 with the hand simultaneously can, in addition, support 1 adopts the type of falling U structure, and the design that 1 top of support is greater than the size of bottom, can also suitably alleviate the weight of walking stick when guaranteeing that the walking stick plays the outrigger effect, holding rod 3 can be at 1 internal rotation of support, the flexibility of use is improved, the periphery of holding rod 3 is equipped with the design of sponge cover, can improve the feeling when the user holds, improve user experience.

A forearm containing mechanism 5 is rotatably arranged at the top in the support 1, the forearm containing mechanism 5 is used for containing the forearm of a patient, the forearm containing mechanism 5 comprises a barrel body 51 used for containing the forearm of the patient, the barrel body 51 adopts a conical shell structure, one end, close to the elbow, of the barrel body 51 is larger than the other end of the barrel body 51, an air hole 512 is formed in the front end of the barrel body 51, a reinforcing rib 511 is arranged between the barrel body 51 and a support ring molded body 53, a support ring molded body 53 is arranged on the periphery of the barrel body 51, and the support ring molded body 53 is rotatably arranged in the; when the wrist of the user is injured and the gripping force can not be applied by the wrist, the barrel 51 is adjusted to be in a horizontal state, the forearm is inserted into the barrel 51, the walking stick is driven by the forearm to move and walk, the adaptability of the walking stick is improved, in addition, the barrel 51 adopts the design of a conical shell structure, the inner wall of the barrel 51 can be ensured to be closely attached to the forearm of the patient, the shaking is avoided, the use stability is ensured, the air vent 512 can play a role in ventilation, and the peculiar smell generated around the forearm of the patient due to the air gathering can be avoided, wherein the air vent 512 can adopt various structures such as round and square, the air vent 512 is preferably uniformly distributed, finally, the barrel 51 can be stably supported by matching of the rotating shaft 52 and the supporting ring body 53, the barrel 51 can be ensured to rotate around the support 1 to adjust the support 1 to be in a horizontal state or a vertical state, the reinforcing ribs 511 can improve the, the reinforcing ribs 511 are preferably distributed uniformly in the circumferential direction of the support ring profile 53, ensuring a uniform force.

As shown in fig. 4-6, an elbow supporting mechanism is provided at the rear end of the barrel 51, the elbow supporting mechanism comprises a sliding sleeve 56 fixedly provided at the bottom end of the barrel 51, a supporting plate 57 is slidably provided in the sliding sleeve 56, a locking member 561 is provided between the supporting plate 57 and the sliding sleeve 56, both ends of the supporting plate 57 are provided with a limiting piece 58, the cross section of the supporting plate 57 is of an arc structure, and the size of the limiting piece 58 is larger than the inner diameter size of the sliding sleeve 56; before the forearm of the patient is inserted into the barrel body 51, the supporting plate 57 is firstly held by hands and pulling force is exerted backwards, the supporting plate 57 slides in the sliding sleeve 56 under the action of the backward pulling force, after the supporting plate 57 extends out of the rear end of the barrel body 51 to a required position, the locking member 561 is screwed to lock the relative position between the supporting plate 57 and the sliding sleeve 56, wherein the locking member 561 can adopt a positioning screw or a positioning bolt, the supporting plate 57 can be used for supporting the elbow of the patient and ensuring the stability of the use of the crutch, in addition, the size of the limiting piece 58 is larger than the inner diameter size of the sliding sleeve 56, the limiting function is realized, the supporting plate 57 is prevented from being separated from the sliding sleeve 56, and the.

As shown in fig. 7-8, an adjusting mechanism 55 is arranged between the forearm accommodating mechanism 5 and the top end of the support 1, the inclination angle of the forearm accommodating mechanism 5 can be adjusted by the adjusting mechanism 55, the adjusting mechanism 55 comprises fixing blocks 54 arranged on both sides of the cylinder 51, a connecting plate 551 is rotatably arranged on the fixing blocks 54 through a pin shaft, the other end of the connecting plate 551 is provided with a mounting plate 552, a linear moving member is arranged between the two mounting plates 552, the top end of the support 1 is provided with positioning holes 559 along the height direction, and the inclination angle of the cylinder 51 can be adjusted by inserting the linear moving member into the positioning holes 559 with different heights; when the length of the linearly moving member is shortened, the end of the linearly moving member is disengaged from the positioning hole 559, namely, the connecting plate 551 can be held by hand to apply a rotating force, the connecting plate 551 drives the rear end of the cylinder 51 to rotate around the rotating shaft 52 through the fixing block 54, and further, the inclination angle of the cylinder 51 is adjusted, so that when the cylinder 51 is rotated to a horizontal state, the patient can insert the forearm into the cylinder 51, to use the crutch, then the linear moving component is loosened to enable the linear moving component to extend by itself, so that the two ends of the linear moving component are respectively inserted into the corresponding positioning holes 559, the cylinder 51 is positioned, and the end of the linear moving member is engaged in the positioning hole 559, the connecting plate 551 and the fixing block 54 can provide a pulling force to the rear end of the barrel body 51 to adapt to the force of the elbow of the patient pressing the barrel body 51, and finally, when the barrel body 51 is in the vertical state, the barrel body can adapt to the user without injury of the wrist.

The linear moving part comprises linear bearings 553 arranged on the mounting plate 552, inserting rods 554 are arranged in the linear bearings 553, the outer ends of the inserting rods 554 are inserted into the positioning holes 559, sleeves 555 are arranged on the peripheries of the inner ends of the two inserting rods 554, notches 556 are formed in the top ends of the sleeves 555, vertical rods 558 are fixed at the inner ends of the inserting rods 554, the top ends of the vertical rods 558 extend to the outer sides of the notches 556, and return springs 557 are arranged between the inner ends of the two inserting rods 554; the two vertical rods 558 are grasped by hands and pressure is applied inwards, the two vertical rods 558 drive the two inserting rods 554 to move inwards at the same time, the inserting rods 554 move in the linear bearings 553 until the outer ends of the inserting rods are separated from the positioning holes 559, the inclination angle of the cylinder body 51 can be adjusted, after the angle adjustment is finished, the two vertical rods 558 are loosened, the inserting rods 554 move outwards in the sleeves 555 and the linear bearings 553 under the action of the elastic force of the return springs 557, after the outer ends of the inserting rods 554 are inserted into the positioning holes 559, the linear moving components can be positioned, finally, the vertical rods 558 move in the notches 556, the notches 556 can limit the vertical rods 558 while playing a role of guiding the vertical rods 558 to move, and the inserting rods 554 are prevented from being completely separated from the.

The walking stick in the embodiment specifically comprises the following steps:

1. the vertical rods 558 are pressed inwards by both hands to move inwards in the sleeve 555, the vertical rods 558 drive the inserted rods 554 at two ends to move inwards in the sleeve 555 until the outer ends of the inserted rods 554 are separated from the positioning holes 559 at the upper ends, and meanwhile, the return springs 557 are compressed;

2. downward pressure is applied, and the linear moving part pushes the rear end of the cylinder body 51 to rotate downwards around the rotating shaft 52 through the mounting plate 552 and the connecting plate 551 until the cylinder body 51 rotates to a horizontal state;

3. the vertical rod 558 is loosened by two hands, under the action of the elastic force of the return spring 557, two ends of the return spring 557 push the insertion rod 554 to move outwards in the sleeve 555 until the outer end of the insertion rod 554 is inserted into the positioning hole 559 at the lower end, so that the barrel 51 is ensured to be kept in a horizontal state;

4. the supporting plate 57 is held by hand and a pulling force is applied backwards, the supporting plate 57 slides backwards in the sliding sleeve 56 under the action of the pulling force, and after the supporting plate 57 slides and extends out of a required length, the locking member 561 is screwed to position the supporting plate 57;

5. the patient inserts the forearm into the barrel 51 with the elbow resting on the support plate 57, and the forearm is bent (the angle between the forearm and the hind arm tends to be vertical) and lifted upward to move the crutch.

If the wrist of the patient is not injured, the patient only needs to grasp the holding rod 3 and needs to retract the forearm accommodating mechanism 5 to the vertical state, and the specific steps are as follows:

1. the vertical rod 558 is pressed inwards by both hands to move inwards in the sleeve 555, the vertical rod 558 drives the inserted rods 554 at two ends to move inwards in the sleeve 555 until the outer ends of the inserted rods 554 are separated from the positioning holes 559 at the lower end, and meanwhile, the return springs 557 are compressed;

2. a pulling force is exerted upwards, and the linear moving component pushes the rear end of the cylinder body 51 to rotate upwards around the rotating shaft 52 through the mounting plate 552 and the connecting plate 551 until the cylinder body 51 rotates to a vertical state;

3. the vertical rod 558 is loosened by two hands, under the action of the elastic force of the return spring 557, two ends of the return spring 557 push the inserted rod 554 to move outwards in the sleeve 555 until the outer end of the inserted rod 554 is inserted into the positioning hole 559 at the upper end, so that the barrel 51 is ensured to be kept in a vertical state;

4. the support plate 57 is grasped by hand and pushed forward, the support plate 57 is slid forward in the slide sleeve 56 by the pushing force, and after the support plate 57 is slid into the slide sleeve 56, the locking member 561 is screwed to position the support plate 57.

Example 2:

in the present invention, the cylinder 51 is used for fixing the forearm of the patient, so that the patient can lift the crutch upwards through the forearm, therefore, for the patient with injured feet, if the patient needs to frequently walk while handling some affairs, the frequent wearing of the cylinder 51 becomes a burden, and the wearing and taking off of the cylinder 51 becomes more complicated if the wrist is injured, the clothes are more, or the arm of the patient is thicker.

Therefore, in the present embodiment, the cylinder 51 can be detachably designed with the bracket 1 and the connection plate 551, that is, referring to fig. 9-10, the middle of the cylinder 51 can be separated from the bracket 1, and the end of the cylinder 51 can be separated from the connection plate 551.

Therefore, under the condition that the arm of the patient does not fall off the cylinder body 51, the cylinder body 51 is taken down from the bracket 1, and certain hand operation is carried out, so that the free movement of the hand is realized without putting on or taking off the cylinder body 51.

In this embodiment, the middle part and the end of the cylinder 51 are provided with the docking device 6, the docking device 6 connects the middle part of the cylinder 51 with the bracket 1, connects the end of the cylinder 51 with the adjusting mechanism 55, and specifically, connects the connection plate 551 in the adjusting mechanism 55, and the docking device 6 includes a docking groove 60, a magnetic attraction plate 61, a magnetic attraction block 62, a top block 63, and a pull rope 66; the butt joint groove 60 is arranged at the rotating shaft 52 of the barrel body 51 and on the pin shaft between the fixing block 54 and the connecting plate 551, the opening is outward, the magnetic suction plate 61 is fixed at the bottom of the butt joint groove 60, a through groove is arranged at the position, corresponding to the butt joint groove 60, on the bracket 1, a through groove is also arranged at the position, corresponding to the butt joint groove 60, of the connecting plate 551, the magnetic suction block 62 and the ejector block 63 are both arranged in the through groove, a limiting groove 67 is drilled at both sides of the through groove, and the moving distance of the magnetic suction block 62 is limited by the limiting groove 67; the magnetic suction block 62 and the top block 63 are connected into a whole, and the magnetic suction block 62 is positioned at one side close to the magnetic suction plate 61; the pull rope 66 is connected to one end of the top block 63 far away from the magnetic block 62; the magnetic suction block 62 and the magnetic suction plate 61 attract each other, so that the magnetic suction block 62 and the ejector block 63 move together towards the magnetic suction plate 61, the magnetic suction block 62 moves out of the through groove and enters the butt joint groove 60 until being attached to the surface of the magnetic suction plate 61, and the pull rope 66 is used for resetting the magnetic suction block 62.

The docking device 6 further comprises a limit plate 64 and a compression spring 65; compression spring 65 cup joints in the piece 62 outside is inhaled to magnetism, and be located limiting groove 67, compression spring 65 is used for magnetism to inhale piece 62 retraction to logical inslot, the opening part that makes logical groove is level and smooth surface, avoid magnetism to inhale piece 62 evagination and touching barrel 51, hinder the butt joint of barrel 51, limiting plate 64 and support 1 sliding connection, limiting plate 64 and connecting plate 551 also sliding connection, limiting plate 64 and kicking block 63 vertical distribution, kicking block 63 and limiting plate 64 are connected to stay cord 66, can cut the through-line hole that matches with stay cord 66 on limiting plate 64, stay cord 66 is in the through-line hole, when limiting plate 64 removes to the state shown in figure 10, stay cord 66 is in vertical state, pull out logical groove with kicking block 63, make the one end that kicking block 63 is close to magnetism suction plate 61 flush with support 1 surface, thereby be convenient for next time magnetism suction plate 61 is to inhale the attraction.

The magnetic attraction block 62 and the magnetic attraction plate 61 in this embodiment are used for: when the butt joint device 6 is aligned, the alignment position can be judged in advance through the approximate direction position, a user can continuously adjust the alignment position in the position range in a trial mode, whether the alignment is completely aligned can be identified by judging the state of the magnetic suction block 62, and the butt joint device aims to provide automatic butt joint and is more convenient for the user to assemble the barrel body 51 back.

After the piece 62 is inhaled to magnetism gets into butt joint groove 60 because of the attraction of magnetism board 61, magnetism is inhaled piece 62 and kicking block 63 and is moved into butt joint groove 60 simultaneously, magnetism is inhaled the piece 62 and is laminated on magnetism board 61 surface, as shown in fig. 11 (b), compression spring 65 is extruded, limiting plate 64 moves down to the position shown in (b) along with kicking block 63 because of the effect of stay cord 66, can continue gliding limiting plate 64 to the position shown in (c) this moment, through limiting plate 64 with kicking block 63 to being close to magnetism board 61 one side top tightly, effectively avoid magnetism to inhale piece 62 and pop out butt joint groove 60, accomplish final butt joint. This design plays the effect of similar safe bolt, can enough solve the problem of conveniently wearing to take off, plays the guarantee of security again for its stability, the intensity of connecting.

When the butt joint is released, the limiting plate 64 is moved upwards to the position shown in (a) in fig. 11, the magnetic suction block 62 and the jacking block 63 are pulled out by the pull rope 66 simultaneously, the magnetic suction block 62 is separated from the butt joint groove 60, and under the elastic action of the compression spring 65, the magnetic suction block 62 is not easy to extend out of the through groove again when no external force exists, the middle part of the cylinder body 51 can be separated from the support 1, the end of the cylinder body 51 is separated from the connecting plate 551 in the same way, so that the cylinder body 51 is independent, and the free movement of the hand can be realized by a patient without wearing the.

The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and these should be considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a wrist is injured patient and is used armpit walking stick, includes support (1), sets up vaulting pole (2) and the support pad (4) of setting on support (1) top in support (1) bottom, support (1) intermediate position department rotates and is equipped with holding rod (3), its characterized in that: a forearm accommodating mechanism (5) is rotatably arranged at the top in the support (1), and the forearm accommodating mechanism (5) is used for accommodating the forearm of a patient;

an adjusting mechanism (55) is arranged between the forearm accommodating mechanism (5) and the top end of the support (1), and the inclination angle of the forearm accommodating mechanism (5) can be adjusted through the adjusting mechanism (55);

forearm accommodate mechanism (5) is including barrel (51) that are used for holding patient's forearm, the periphery of barrel (51) is equipped with support ring type body (53), support ring type body (53) rotate through pivot (52) and set up in support (1), the rear end of barrel (51) is equipped with elbow supporting mechanism.

2. The underarm crutch for a patient with a wrist injury according to claim 1, further comprising: elbow supporting mechanism is including fixed sliding sleeve (56) that sets up in barrel (51) bottom, it is equipped with backup pad (57) to slide in sliding sleeve (56), be equipped with retaining member (561) between backup pad (57) and sliding sleeve (56), the both ends of backup pad (57) all are equipped with spacing piece (58).

3. The underarm crutch of a patient with a damaged wrist as defined in claim 2, further comprising: the front end of the barrel body (51) is provided with an air hole (512).

4. The underarm crutch for a patient with a wrist injury according to claim 1, further comprising: the adjusting mechanism (55) comprises fixing blocks (54) arranged on two sides of the barrel (51), a connecting plate (551) is arranged on each fixing block (54) in a rotating mode through a pin shaft, an installing plate (552) is arranged at the other end of each connecting plate (551), a linear moving part is arranged between the two installing plates (552), a positioning hole (559) is formed in the top end of the support (1) in the height direction, and the inclination angle of the barrel (51) can be adjusted by inserting the linear moving part into the positioning holes (559) of different heights.

5. The underarm crutch for a patient with a wrist injury according to claim 4, further comprising: the linear moving part comprises a linear bearing (553) arranged on the mounting plate (552), an inserting rod (554) is arranged in the linear bearing (553), the outer end of the inserting rod (554) is inserted into the positioning hole (559), a sleeve (555) is arranged on the periphery of the inner end of the inserting rod (554), a notch (556) is formed in the top end of the sleeve (555), a vertical rod (558) is fixed at the inner end of the inserting rod (554), and the top end of the vertical rod (558) extends to the outer side of the notch (556).

6. The underarm crutch for a patient with a wrist injury according to claim 5, further comprising: a return spring (557) is arranged between the inner ends of the two insert rods (554).

7. The underarm crutch of a patient with a damaged wrist as defined in claim 2, further comprising: the cross section of the supporting plate (57) adopts an arc structure, and the size of the limiting sheet (58) is larger than the inner diameter of the sliding sleeve (56).

8. The underarm crutch for a patient with a wrist injury according to claim 1, further comprising: the barrel (51) adopts a conical shell structure, and one end of the barrel (51) close to the elbow is larger than the other end.

9. The underarm crutch for a patient with a wrist injury according to claim 1, further comprising: the middle part and the tail end of the cylinder body (51) are respectively provided with a butt joint device (6), the middle part of the cylinder body (51) is connected with the bracket (1) through the butt joint devices (6), and the tail end of the cylinder body (51) is connected with the adjusting mechanism (55);

the butt joint device (6) comprises a butt joint groove (60), a magnetic suction plate (61), a magnetic suction block (62), a top block (63) and a pull rope (66);

the butt joint groove (60) is formed in the position of a rotating shaft (52) of the barrel body (51) and the rotating position of the adjusting mechanism (55) and the barrel body (51), the opening is outward, the magnetic suction plate (61) is fixed to the bottom of the butt joint groove (60), through grooves are formed in the positions, corresponding to the butt joint groove (60), of the support (1) and the adjusting mechanism (55), the magnetic suction block (62) and the ejector block (63) are arranged in the through grooves, limiting grooves (67) are formed in the two sides of each through groove, and the moving distance of the magnetic suction block (62) is limited by the limiting grooves (67);

the magnetic suction block (62) and the jacking block (63) are connected into a whole, and the magnetic suction block (62) is positioned at one side close to the magnetic suction plate (61); the pull rope (66) is connected to one end of the top block (63) far away from the magnetic suction block (62);

the magnetic suction block (62) and the magnetic suction plate (61) are mutually attracted, so that the magnetic suction block (62) and the jacking block (63) move towards the magnetic suction plate (61) together, the magnetic suction block (62) moves out of the through groove and enters the butt joint groove (60) until being attached to the surface of the magnetic suction plate (61), and the pull rope (66) is used for resetting the magnetic suction block (62).

10. The underarm crutch for a patient with a wrist injury according to claim 9, further comprising: the butt joint device (6) further comprises a limiting plate (64) and a compression spring (65); compression spring (65) cup joints in magnetism piece (62) outside to be located spacing groove (67), support (1) and adjustment mechanism (55) all with limiting plate (64) sliding connection, limiting plate (64) and kicking block (63) vertical distribution, kicking block (63) and limiting plate (64) are connected in stay cord (66).

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