CN111544265A

CN111544265A - Orthopedic adjustable universal tuck crutch

Info

Publication number: CN111544265A
Application number: CN202010403272.1A
Authority: CN
Inventors: 韦华根; 朱圣泽; 张晓义
Original assignee: Nantong University
Current assignee: Nantong University
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-08-18
Anticipated expiration: 2040-05-13
Also published as: CN111544265B

Abstract

The invention discloses an orthopedic adjustable universal tuck crutch, which comprises a supporting rod, wherein one end of the supporting rod is provided with an armpit support, the supporting rod is provided with a handle, the handle is movably arranged on the rod body of the supporting rod through an adjusting mechanism, and the adjusting mechanism is used for adjusting the position of the handle on the supporting rod.

Description

Orthopedic adjustable universal tuck crutch

Technical Field

The invention relates to the field of medical instruments, in particular to an adjustable universal tuck crutch for orthopedics department.

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods.

A plurality of orthopedic instruments are provided in orthopedic departments, and are used for patients with injured legs and feet or diseases.

Disclosure of Invention

In order to solve the technical problem, the invention provides an orthopedic adjustable universal tuck crutch which comprises a supporting rod, wherein one end of the supporting rod is provided with an armpit support, the supporting rod is provided with a handle, the handle is movably arranged on the rod body of the supporting rod through an adjusting mechanism, and the adjusting mechanism is used for adjusting the position of the handle on the supporting rod.

Preferably: the adjusting mechanism comprises a movable adjusting component and a rotary adjusting component, the movable adjusting component is used for adjusting the handle to move along the length direction of the supporting rod, and the rotary adjusting component is used for adjusting the handle to rotate around the length direction of the supporting rod

Preferably: the mobile adjusting component comprises a sleeve, the sleeve is sleeved on a support rod body, the sleeve constitutes sliding guide cooperation along the rod length direction and the support rod of the support rod, the support rod body is provided with spacing holes along the rod length direction at intervals, the sleeve pipe body is provided with a boss, the boss is provided with a through hole communicating the inside of the sleeve, the through hole corresponds to the consistent position with the hole in the spacing hole, a limiting pin is arranged in the through hole in a sliding manner, the limiting pin is provided with a limiting bulge, an A sliding groove is formed in the inner wall of the boss through hole, the A sliding groove is matched with the limiting bulge, the limiting bulge forms sliding guide cooperation along the groove of the A sliding groove, a limiting groove communicated with the A sliding groove is further formed in the inner wall of the boss through hole: spacing arch and A spout cooperation, the spacer pin can be at through-hole and spacing downthehole gliding sliding state, and its two are: the limiting pin rotates, the limiting protrusion rotates into the limiting groove, and the limiting pin is in a locking state that the limiting pin cannot slide outwards the boss.

Preferably: the section of the support rod perpendicular to the length direction of the support rod is elliptical.

Preferably: the spacing between the limiting holes is consistent.

Preferably: the B spout has still been seted up to the through-hole inner wall, the B spout matches with spacing arch, the groove of B spout to unanimous with A spout groove, spacing groove both ends are arranged in to A spout and B spout branch, the spacing groove to perpendicular with A spout groove, A spout and B spout extend the setting to the difference in spacing groove both ends, when the spacer pin is in the locking state, the boss is stretched out to the one end that the bracing piece was kept away from to the spacer pin, the tip that the boss was stretched out to the spacer pin is buckled, be provided with the draw-in groove that the spacer pin kink matches on the boss, the spacer pin kink is in two kinds of states, one of which is: when spacing arch was located A spout or spacing inslot, the kink was located outside the draw-in groove, and its two were, in spacing arch turned to the B spout to when sliding to being close to the bracing piece direction along the B spout, the kink joint was in the draw-in groove.

Preferably: the rotation adjusting part comprises a sleeve seat, the sleeve seat is fixedly sleeved on a sleeve, the outer wall of the sleeve seat is provided with an annular sliding groove along the circumferential direction of the sleeve seat, a positioning hole with distributed intervals is formed in the groove bottom of the annular sliding groove, an annular sleeve is slidably mounted in the annular sliding groove, the annular sleeve is matched with the annular sliding groove, the upper end surface and the lower end surface of the annular sleeve are attached to the groove wall of the annular sliding groove, the inner wall of the annular sleeve is attached to the groove bottom of the annular sliding groove, a positioning pin hole is formed in the inner wall of the annular sleeve, the position of the positioning pin hole corresponds to the position of the positioning hole, a: the locating pin is located the locating pin downthehole, and the annular cover can pivoted rotation state, and its two are: the positioning pin extends into the positioning hole to clamp the annular sleeve in a fixed state.

Preferably: the adjusting part comprises a transmission part, reset and trigger part, the trigger part passes through the transmission part and connects the locating pin, reset and connect the locating pin, reset and make the locating pin have the trend to the motion in the locating hole, the tip of bracing piece is kept away from at the handle to the setting of trigger part, the trigger part constitutes the sliding guide cooperation with the handle on the length direction of handle, trigger part one end stretches out the handle, press the trigger part, drive the locating pin through the transmission part and leave the locating hole, loosen the trigger part, reset and order about the locating pin and reset and insert in the locating hole.

Preferably: the tip that the armpit held away from is kept away from to the bracing piece is installed from lock type lift cylinder, and from lock type lift cylinder arranges along the pole length direction of bracing piece, and self-lock type lift cylinder stiff end is installed on one's body at the bracing piece, and anti-skidding piece is installed to self-lock type lift cylinder's expansion end.

Preferably: from lock lift cylinder includes the cylinder body, is equipped with the piston rod in the cylinder body, and piston rod one end stretches out the cylinder body, and the other end is located the cylinder body and be equipped with cylinder body complex piston, is equipped with the spring between piston and the cylinder body tip, and the flexible direction of spring is unanimous with the length direction of cylinder body, and the cylinder body supports the tip that leans on with the spring and is equipped with the control valve with the cylinder body intercommunication, and the switch and the lift adjustment handle of control valve are connected, and the lift adjustment handle setting is in the handle.

The invention has the technical effects and advantages that: .

Drawings

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

FIG. 2 is a schematic structural view of a support bar according to the present invention;

FIG. 3 is a schematic view of the construction of the sleeve mount of the mobile adjustment assembly and the rotary adjustment assembly of the present invention;

FIG. 4 is a schematic structural view of the slide groove A, the slide groove B and the limiting groove in the boss of the mobile adjusting assembly of the present invention;

FIG. 5 is a schematic view of a spacing pin of the mobile adjustment assembly of the present invention;

fig. 6 is a schematic structural view of the rotation adjustment assembly of the present invention.

Description of reference numerals: 100. a support bar; 110. a limiting hole; 200. an adjustment mechanism; 210. moving the adjustment assembly; 211. a sleeve; 212. a boss; 212a, a through hole; 212B, B chute; 212c, a limiting groove; 212d, A chute; 212e, a card slot; 213. a spacing pin; 213a, a limit protrusion; 213b, a bending part; 220. rotating the adjusting assembly; 221. a sleeve seat; 221a, an annular chute; 221b, positioning holes; 222. positioning pins; 223. a reset member; 224. a transmission member; 225. a trigger; 226. an annular sleeve; 300. a handle; 400. a self-locking type lifting cylinder; 410. a control valve; 420. a lifting adjusting handle; 500. an anti-slip member; 600. the armpit is supported.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-6, in this embodiment, an orthopedic adjustable universal crutch is provided, which includes a support rod 100, an armpit 600 is mounted at one end of the support rod 100, a handle 300 is disposed on the support rod 100, the handle 300 is movably mounted on the shaft of the support rod 100 through an adjusting mechanism 200, and the adjusting mechanism 200 adjusts the handle 300 to move along the length direction of the support rod 100 and rotate around the length direction of the support rod 100.

The adjustment mechanism 200 includes a movable adjustment assembly 210 and a rotatable adjustment assembly 220, wherein the movable adjustment assembly 210 is used for adjusting the handle 300 to move along the length direction of the supporting rod 100, and the rotatable adjustment assembly 220 is used for adjusting the handle 300 to rotate around the length direction of the supporting rod 100.

The movable adjusting component 210 comprises a sleeve 211, the sleeve 211 is sleeved on the body of the support rod 100, the sleeve 211 forms a sliding guide fit with the support rod 100 along the length of the support rod 100, the body of the support rod 100 is provided with limiting holes 110 at intervals along the length direction of the support rod, the body of the sleeve 211 is provided with a boss 212, the boss 212 is provided with a through hole 212a communicated with the interior of the sleeve 211, the through hole 212a corresponds to the consistent position of the holes of the limiting holes 110, a limiting pin 213 is arranged in the through hole 212a in a sliding manner, the limiting pin 213 is provided with a limiting bulge 213a, the inner wall of the through hole of the boss 212 is provided with an A sliding groove 212d, the A sliding groove 212d is matched with the limiting bulge 213a, the limiting bulge 213a forms a sliding guide fit with the A sliding groove 212d along the groove direction of the A sliding groove 212d, the inner wall of the through, the method comprises the following steps: the limit protrusion 213 is matched with the a chute 212d, and the limit pin 213 can slide in the through hole 212a and the limit hole 110, and the two states are: the stopper pin 213 rotates, the stopper protrusion 213a rotates into the stopper groove 212c, and the stopper pin 213 is in a locked state where it cannot slide outward of the boss 212.

The section of the support pole 100 perpendicular to the pole length direction is oval.

The spacing between the limiting holes 110 is uniform.

The inner wall of the through hole 212a is further provided with a B sliding groove 212B, the B sliding groove 212B is matched with the limiting protrusion 213a, the groove direction of the B sliding groove 212B is consistent with the groove direction of the A sliding groove 212d, the A sliding groove 212d and the B sliding groove are respectively arranged at two groove ends of the limiting groove 212c, the groove direction of the limiting groove 212c is perpendicular to the groove direction of the A sliding groove 212d, the A sliding groove 212d and the B sliding groove 212B extend towards different sides at the two groove ends of the limiting groove 212c, when the limiting pin 213 is in a locking state, one end, far away from the support rod 100, of the limiting pin 213 extends out of the boss 212, the end, extending out of the boss 212, of the limiting pin 213 is bent, the boss 212 is provided with a clamping groove 212e matched with the bent portion 213: when the limiting protrusion 213a is located in the a sliding groove 213d or the limiting groove 213c, the bending portion 213B is located outside the engaging groove 212e, and when the limiting protrusion 213a rotates into the B sliding groove 212B and slides along the B sliding groove 212B toward the supporting rod 110, the bending portion 213B is engaged with the engaging groove 212 e.

Rotation adjusting part 220 includes sleeve seat 221, sleeve seat 221 fixes the cover and connects on sleeve 211, sleeve seat 221 outer wall is opened and is seted up annular spout 221a along sleeve seat 221 circumferencial direction, interval distribution's locating hole 221b is seted up to annular spout 221 a's tank bottom, slidable mounting has annular cover 226 in annular spout 221a, annular cover 226 matches with annular spout 221a, terminal surface and annular spout 221a cell wall paste about annular cover 226, annular cover 226 inner wall pastes with annular spout 221a tank bottom and pastes, the locating pin hole has been seted up on the annular cover 226 inner wall, locating pin hole position corresponds with locating hole 221b position, the downthehole locating pin 222 that is equipped with of locating pin, locating pin 222 connects adjusting part, adjusting part adjusts and is in two kinds of states, one of them is: the positioning pin 222 is located in the positioning pin hole, and the annular sleeve 226 can rotate in a rotating state, which is two: the positioning pin 222 extends into the positioning hole 221b to clamp the annular sleeve 226 in a fixed state.

The adjusting assembly comprises a transmission piece 224, a reset piece 223 and a trigger piece 225, the trigger piece 225 is connected with the positioning pin 222 through the transmission piece 224, the reset piece 223 is connected with the positioning pin 222, the reset piece 223 enables the positioning pin 222 to have a tendency of moving into the positioning hole 221b, the trigger piece 225 is arranged at the end portion, far away from the supporting rod 100, of the handle 300, the trigger piece 225 forms sliding guide fit with the handle 300 along the length direction of the handle 300, one end of the trigger piece 225 extends out of the handle 300, the trigger piece 225 is pressed, the positioning pin 222 is driven to leave the positioning hole 221b through the transmission piece 224, the trigger piece 225 is released, and the reset piece 223 drives the positioning pin 222.

The end of the support rod 100 far from the armpit support 600 is provided with a self-locking lifting cylinder 400, the self-locking lifting cylinder 400 is arranged along the rod length direction of the support rod 100, the fixed end of the self-locking lifting cylinder 400 is arranged on the support rod 100, and the movable end of the self-locking lifting cylinder 400 is provided with an anti-skid member 500.

The self-locking lifting cylinder 400 comprises a cylinder body, a piston rod is arranged in the cylinder body, one end of the piston rod extends out of the cylinder body, the other end of the piston rod is positioned in the cylinder body and is provided with a piston matched with the cylinder body, a spring is arranged between the piston and the end part of the cylinder body, the stretching direction of the spring is consistent with the length direction of the cylinder body, a control valve 410 communicated with the cylinder body is arranged at the end part of the cylinder body abutted against the spring, a switch of the control valve 410 is connected with a lifting adjusting handle 420, and the lifting adjusting handle.

When the invention is used, when a user needs to adjust the overall height of the tuck crutch, firstly, the user holds the handle, then holds the lifting adjusting handle 420 tightly, the lifting adjusting handle 420 pulls the control valve 410 open through the wire harness, the control valve 410 is communicated with the outside, if the height of the tuck crutch needs to be adjusted to be high, the tuck crutch does not need to be pressed on the armpit support, the piston is flicked outwards by the self elasticity of the spring, the air is sucked through the control valve 410, the spring drives the piston to drive the piston rod to move downwards, if the height of the tuck crutch needs to be adjusted to be low, the user supports the armpit on the armpit support, the support rod presses the cylinder body downwards, the piston compresses the spring, when the proper height is adjusted, the lifting adjusting handle is loosened, the control valve is provided with the reset mechanism, the control valve is reset and closed, at the time, because the cavities at the two ends of the piston rod are sealed, the, because the gas has compressibility, when a user uses the tuck crutch, the piston and the piston rod can want to move a small section of displacement, so that the tuck crutch has elasticity, the tuck crutch has a damping function, the user is more comfortable when using, and the problem that the use is uncomfortable and painful due to the fact that the tuck crutch with a rigid structure impacts the armpit when using is avoided; the user can adjust the proper height of the handle 300 according to the arm length of the user, when adjusting, the user only needs to pull the bending part 213B out of the clamping groove 212e, then rotates the limiting pin 213, rotates the limiting bulge 213a from the B chute 212B to the A chute 212d, then continuously pulls out the limiting pin 213, then pulls the positioning pin 222 out of the limiting hole 110 on the supporting rod 100, then pulls the handle 300 to slide up and down along the rod body of the supporting rod 100, adjusts to the proper position, realizes the limiting guide fit by the arrangement that the cross section of the supporting rod 100 vertical to the rod length direction is oval, ensures that the handle 300 can not rotate left and right, avoids the problem that the limiting pin 213 can be dislocated with the limiting hole 110 and can not be aligned, adjusts to the proper height, presses the limiting pin 213 into the limiting hole 110 with the corresponding height, then rotates the limiting pin 213, and returns the limiting bulge 213a to the B chute 212B, then, the handle 300 is pressed continuously, and the bending part 213b is clamped into the clamping groove 212e, so that the height of the handle 300 can be adjusted conveniently and conveniently; many users use the habit differently, want to rotate regulation handle 300 to suitable position, when being convenient for it uses, only need press trigger 225, trigger 225 pulls driving medium 224, driving medium 224 position steel wire line constitutes, driving medium 224 drives locating pin 222 and outwards slides, locating pin 222 roll-off cover barrel seat 221 goes up locating hole 221b, then rotate handle 300 to suitable position, loosen trigger 225, reset 223 comprises the spring, the spring orders about locating pin 222 to insert in the locating hole 221b of corresponding position, the realization is locked handle 300, can realize the angle modulation of handle, the angle that the user of being convenient for adjusted the handle according to oneself intention, it is convenient to adjust.

The crutch is stable in structure, reasonable in layout and convenient to adjust, can realize the height adjustment of the tuck crutch, can realize the position of the handle on the supporting rod, realizes the use requirements suitable for different patients, and meets the current use requirements.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. An orthopedic adjustable universal tuck crutch, which is characterized in that: the armpit support comprises a supporting rod (100), wherein an armpit support (600) is arranged at one end of the supporting rod (100), a handle (300) is arranged on the supporting rod (100), the handle (300) is movably arranged on the rod body of the supporting rod (100) through an adjusting mechanism (200), and the adjusting mechanism (200) is used for adjusting the position of the handle (300) on the supporting rod (100).

2. The adjustable orthopedic universal crutch as claimed in claim 1, wherein: the adjusting mechanism (200) comprises a moving adjusting component (210) and a rotating adjusting component (220), the moving adjusting component (210) is used for adjusting the handle (300) to move along the rod length direction of the supporting rod (100), and the rotating adjusting component (220) is used for adjusting the handle (300) to rotate around the rod length direction of the supporting rod (100).

3. The orthopedic adjustable universal tuck crutch according to claim (2), characterized in that: the movable adjusting component (210) comprises a sleeve (211), the sleeve (211) is sleeved on a rod body of the support rod (100), the sleeve (211) and the support rod (100) form sliding guide fit along the rod length of the support rod (100), limit holes (110) are arranged on the rod body of the support rod (100) at intervals along the rod length direction of the support rod, a boss (212) is arranged on the tube body of the sleeve (211), a through hole (212 a) communicated with the inside of the sleeve (211) is formed in the boss (212), the through holes (212 a) and the limit holes (110) correspond to the same position, a limit pin (213) is arranged in the through hole (212 a) in a sliding mode, a limit bulge (213 a) is arranged on the limit pin (213), an A sliding groove (212 d) is formed in the inner wall of the through hole of the boss (212), the A sliding groove (212 d) is matched with the limit bulge (213 a), and the limit bulge (213 a) forms sliding guide fit along the groove, the boss (212) is provided with a limit groove (212 c) communicated with the A sliding groove (212 d) on the inner wall of the through hole, and the limit bulge (213 a) is in two states, one of which is: the limiting protrusion (213 a) is matched with the A sliding groove (212 d), the limiting pin (213) can slide in the through hole (212 a) and the limiting hole (110) in a sliding state, and the two sliding states are as follows: the limit pin (213) rotates, the limit protrusion (213 a) rotates into the limit groove (212 c), and the limit pin (213) is in a locking state that the limit pin cannot slide towards the outside of the boss (212).

4. The adjustable orthopedic universal crutch of claim 3, wherein: the section of the support rod (100) perpendicular to the length direction of the support rod is elliptical.

5. The adjustable orthopedic universal crutch of claim 4, wherein: the spacing between the limiting holes (110) is consistent.

6. The adjustable orthopedic universal crutch as claimed in claim 5, wherein: the inner wall of the through hole (212 a) is further provided with a B sliding groove (212B), the B sliding groove (212B) is matched with the limiting protrusion (213 a), the groove direction of the B sliding groove (212B) is consistent with the groove direction of the A sliding groove (212 d), the A sliding groove (212 d) and the B sliding groove (212B) are arranged at two groove ends of the limiting groove (212 c), the groove direction of the limiting groove (212 c) is vertical to the groove direction of the A sliding groove (212 d), the A sliding groove (212 d) and the B sliding groove (212B) extend towards different sides at two groove ends of the limiting groove (212 c), when the limiting pin (213) is in a locking state, one end, far away from the support rod (100), of the limiting pin (213) extends out of the boss (212), the end, extending out of the boss (212), the boss (212) is provided with a clamping groove (212 e) matched with the bending part (213B) of the limiting pin (213), and the bending part (213B) of the limiting pin, the method comprises the following steps: when the limiting protrusion (213 a) is located in the sliding groove (213 d) or the limiting groove (213 c), the bending part (213B) is located outside the clamping groove (212 e), and the limiting protrusion (213 a) rotates into the sliding groove (212B) and slides along the sliding groove (212B) to the direction close to the supporting rod (100), and the bending part (213B) is clamped in the clamping groove (212 e).

7. The adjustable orthopedic universal crutch of claim 6, wherein: the rotary adjusting component (220) comprises a sleeve seat (221), the sleeve seat (221) is fixedly sleeved on the sleeve (211), the outer wall of the sleeve seat (221) is provided with an annular sliding groove (221 a) along the circumferential direction of the sleeve seat (221), the groove bottom of the annular sliding groove (221 a) is provided with positioning holes (221 b) distributed at intervals, an annular sleeve (226) is arranged in the annular sliding groove (221 a) in a sliding manner, the annular sleeve (226) is matched with the annular sliding groove (221 a), the upper end surface and the lower end surface of the annular sleeve (226) are attached to the groove wall of the annular sliding groove (221 a), the inner wall of the annular sleeve (226) is attached to the groove bottom of the annular sliding groove (221 a), the inner wall of the annular sleeve (226) is provided with positioning pin holes, the positions of the positioning pin holes correspond to the positioning holes (221 b), positioning pins (222) are arranged in the, the method comprises the following steps: the locating pin (222) is located in the locating pin hole, and the annular sleeve (226) can rotate, and the second mode is that: the positioning pin (222) extends into the positioning hole (221 b) to clamp the annular sleeve (226) in a fixed state.

8. The adjustable orthopedic universal crutch as claimed in claim 7, wherein: the adjusting component comprises a transmission piece (224), a reset piece (223) and a trigger piece (225), the trigger piece (225) is connected with a positioning pin (222) through the transmission piece (224), the reset piece (223) is connected with the positioning pin (222), the reset piece (223) enables the positioning pin (222) to have a trend of moving towards a positioning hole (221 b), the trigger piece (225) is arranged at the end part of the handle (300) far away from the supporting rod (100), the trigger piece (225) is matched with the handle (300) in a sliding guide mode along the length direction of the handle (300), one end of the trigger piece (225) extends out of the handle (300), the trigger piece (225) is pressed, the positioning pin (222) is driven to leave the positioning hole (221 b) through the transmission piece (224), the trigger piece (225) is loosened, and the reset piece (223) drives the positioning pin (222) to reset and insert.

9. The adjustable orthopedic universal crutch as claimed in claim 8, wherein: the tip that the armpit held in the palm (600) is kept away from in bracing piece (100) is installed from lock type lift cylinder (400), and from lock type lift cylinder (400) are arranged along the pole length direction of bracing piece (100), and install on one's body bracing piece (100) from lock type lift cylinder (400) stiff end, and antiskid (500) are installed to the expansion end of lock type lift cylinder (400).

10. The adjustable orthopedic universal crutch of claim 9, wherein: from lock lift cylinder (400) including the cylinder body, be equipped with the piston rod in the cylinder body, piston rod one end stretches out the cylinder body, the other end is located the cylinder body and is equipped with in the cylinder body with cylinder body complex piston, be equipped with the spring between piston and the cylinder body tip, the flexible direction of spring is unanimous with the length direction of cylinder body, the cylinder body supports with the spring tip that leans on and is equipped with control valve (410) with the cylinder body intercommunication, the switch and the lift adjustment handle (420) of control valve (410) are connected, lift adjustment handle (420) set up in handle (300) below.