CN208339074U - A kind of crutch that multifunction retractable is adjusted - Google Patents

Abstract

The utility model discloses the crutch that a kind of multifunction retractable is adjusted, including pole body, bottom end support device is equipped with below the pole body, the bottom end support device is by being located at the bracket that is fixedly connected with pole body of pole body lower end and above cylindrical body and being successively arranged adjustable height devices, lighting mechanism, cigarette lighting device, disassembly mechanism collectively forms, the microchip and linear motor, microchip is electrically connected, the damper box that the adjustable height devices are fixedly connected by being located at cylindrical body upper end with cylindrical body, the disassembly mechanism is by being located at the handrails framework being fixedly connected above cylindrical body with cylindrical body, the circular hole three that the lighting device is fixedly connected by being located at damper box side surface with damper box, the cylindrical concave volume that the cigarette lighting device is fixedly connected by being located at cylinder body side surface with cylindrical body.The utility model has the beneficial effects that of simple structure and strong practicability.

Description

A kind of crutch that multifunction retractable is adjusted

Technical field

The present invention relates to Medical Devices, especially a kind of crutch of multifunction retractable adjusting.

Background technique

It is well known that auxiliary support function when crutch can be to handicapped elderly and the disabled's offer walking, But faucet crutch made of modern society is carved as woodcarving, the function of crutch are developed to from the crutch of most original served as branch It can be limited to always in the most basic function that support is provided, and traditional crutch handgrip height is not adjustable height, cannot dismantle, because The function of this current crutch is more single, is not able to satisfy the use of people.

Summary of the invention

The purpose of the present invention is to solve the above problems, devise a kind of crutch that multifunction retractable is adjusted.

Realize above-mentioned purpose the technical scheme is that, a kind of crutch that multifunction retractable is adjusted, including pole body, institute It states and is equipped with bottom end support device below pole body, the branch that the bottom end support device is fixedly connected by being located at pole body lower end with pole body Frame, the cylindrical body being fixedly connected with bracket positioned at rack upper surface, the rubber sleeve being fixedly connected with bracket positioned at bracket one end, position The connecting hole that is fixedly connected with cylindrical body in cylindrical body lower end side surface, be fixedly connected in connecting hole with connecting hole and with branch The bearing that is fixedly connected among frame is fixedly connected with positioned at the bracket other end and is extend into bracket the intracorporal end of cylinder, is located at Linear motor that cylinder interior surface is fixedly connected with cylindrical body is located at linear motor round end and input terminal and linear motor Be fixedly connected with telescopic machine that output end is fixedly connected with end, be fixedly connected positioned at cylinder interior surface with cylindrical body it is miniature It chip, the oblong service ports being fixedly connected in cylinder body side surface with cylindrical body and is successively arranged above cylindrical body Adjustable height devices, lighting mechanism, cigarette lighting device, disassembly mechanism collectively form, it is the microchip and linear motor, micro- Cake core is electrically connected.

The adjustable height devices by being located at damper box that cylindrical body upper end is fixedly connected with cylindrical body, positioned at damper box Circular open that upper surface is fixedly connected with damper box, the groove being fixedly connected positioned at damper box upper end outer surface with damper box One, the linear motor two that is fixedly connected in damper box with damper box is located at two telescopic end of linear motor and linear motor two It is fixedly connected with and stretches out the cylinder of circular open, the handrail crossbeam being fixedly connected with cylinder positioned at cylinder upper end upper surface, be located at Handrail crossbeam both ends be fixedly connected with handrail crossbeam and be slidably connected with handrail crossbeam groove two, be located at handrail crossbeam both ends with Handrail crossbeam be fixedly connected with baffle, positioned at the circular hole one that baffle center is fixedly connected with baffle, be located at circular hole one in and circle Hole one is fixedly connected and side is fixedly connected with circular hole one steel ball, the spring being fixedly connected with steel ball positioned at the steel ball other side, The soft suede that is fixedly connected positioned at handrail beam outer surface with handrail crossbeam and it is located at handrail one end of the beam and handrail crossbeam The lifter switch being fixedly connected is constituted.

The disassembly mechanism by be located at cylindrical body above be fixedly connected with cylindrical body handrails framework, be located at groove one in and Groove one is fixedly connected and one end is fixedly connected in handrails framework square tube is fixedly connected and inserts with square tube positioned at square tube one end Convex shape in groove one, is located at column inner surface at the column being fixedly connected below handrails framework with handrails framework Be fixedly connected with column and in the card slot of vertical direction, be fixedly connected positioned at column outer surface with column and be uniformly distributed up and down And the multiple circular holes two being fixedly connected with steel ball, the dependence crossbeam that is fixedly connected with handrails framework positioned at handrails framework top and position It is constituted in leaning on beam surface upper with the software foam that crossbeam is fixedly connected is leaned on.

The lighting mechanism by be located at damper box side surface be fixedly connected with damper box circular hole three, be located at circular hole three in and Tempered glass that circular hole three is fixedly connected, the sense for being fixedly connected in circular hole three with circular hole three and being fixedly connected with tempered glass Light probe in damper box and is located at luminescence chip that the corresponding position of tempered glass is fixedly connected with damper box, positioned at steel Change the reflective mirror being fixedly connected between glass and luminescence chip with damper box to constitute, battery is equipped in the damper box, it is described Luminescence chip and battery, sensitive probe, microchip are electrically connected.

The cigarette lighting device by be located at cylindrical concave volume that cylinder body side surface is fixedly connected with cylindrical body, be located at it is cylindrical The thermal insulation layer that is fixedly connected on the inside of concave volume with cylindrical concave volume is fixedly connected on the outside of cylindrical concave volume with cylinder concave volume Fixing card, is located at ignition head outer surface and ignition head at the ignition head being fixedly connected in cylindrical concave volume with cylindrical concave volume The photosensitive part being fixedly connected and the heater being fixedly connected on the inside of cylindrical concave volume with cylindrical concave volume are constituted.

The battery is made of miniature lithium battery block.

The software foam is made of the harder sponge of material.

The pole body is made of high-strength light alloy.

The rubber sleeve and bracket are mutually matched use.

The outer surface of the groove two carries out grinding process.

Made using the crutch that a kind of multifunction retractable of technical solution of the present invention production is adjusted by lighting mechanism User of service rather dark place can be avoided using lighting mechanism again and be easy the case where falling down because rather dark, Adult or child use crutch in injured situation, because height differences are larger, the different crowd of same crutch uses meeting It is very improper, it is many by dismountable function opposite side of handrail, and then solve the problems such as walking stick function is single, one The safe and reliable multi-function walking stick of kind.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the crutch that a kind of multifunction retractable of the present invention is adjusted；

Fig. 2 is the schematic diagram of support device of the present invention；

Fig. 3 is the schematic diagram of adjustable height devices of the present invention；

Fig. 4 is the schematic diagram of handrail crossbeam of the present invention；

Fig. 5 is the schematic diagram of handrails framework of the present invention；

In figure, 1, pole body；2, handrails framework；3, bracket；4, rubber sleeve；5, cylindrical body；6, connecting hole；7, bearing；8, last End；9, linear motor；10, telescopic machine；11, ellipsoid service ports；12, microchip；13, damper box；14, circular open；15, Groove one；16, linear motor two；17, cylinder；18, handrail crossbeam；19, groove two；20, heater；21, column；22, it keeps off Piece；23, circular hole one；24, steel ball；25, spring；26, suede；27, square tube；28, convex shape；29, card slot；30, circular hole two； 31, crossbeam is leaned on；32, software foam；33, circular hole three；34, tempered glass；35, sensitive probe；36, luminescence chip；37, electric Pond；38, reflective mirror；39, cylindrical concave volume；40, thermal insulation layer；41, fixing card；42, ignition head；43, photosensitive part；44, it rises Drop switch.

Specific embodiment

The present invention is specifically described with reference to the accompanying drawing, as shown in Figs. 1-5, a kind of multifunction retractable adjusting is turned Cane, including pole body 1, are equipped with bottom end support device below the pole body 1, the bottom end support device by be located at 1 lower end of pole body with Bracket 3 that pole body 1 is fixedly connected, the cylindrical body 5 being fixedly connected with bracket 3 positioned at 3 upper surface of bracket, be located at 3 one end of bracket with Rubber sleeve 4 that bracket 3 is fixedly connected, is located at the connecting hole 6 being fixedly connected with cylindrical body 5 positioned at 5 lower end side surface of cylindrical body Be fixedly connected with connecting hole 6 in connecting hole 6 and with the bearing 7 being fixedly connected among bracket 3, positioned at 3 other end of bracket and bracket 3 It is fixedly connected and the end 8 extending into cylindrical body 5, the straight-line electric being fixedly connected positioned at 5 inner surface of cylindrical body with cylindrical body 5 Machine 9, positioned at 9 round end of linear motor and input terminal is fixedly connected with output end with linear motor 9 and stretches with what end 8 was fixedly connected Contracting machine 10, positioned at the microchip 12 that 5 inner surface of cylindrical body is fixedly connected with cylindrical body 5, be located at 5 side surface of cylindrical body on Oblong service ports 11 that cylindrical body 5 is fixedly connected and the adjustable height devices being successively arranged above cylindrical body 5, illumination Mechanism, cigarette lighting device, disassembly mechanism collectively form, and the microchip 12 is electrically connected with linear motor 9, microchip 12； The adjustable height devices by being located at damper box 13 that 5 upper end of cylindrical body is fixedly connected with cylindrical body 5, in the damper box 13 Circular open 14 that surface is fixedly connected with damper box 13 is fixedly connected positioned at 13 upper end outer surface of damper box with damper box 13 Groove 1, be fixedly connected in damper box 13 with damper box 13 linear motor 2 16, stretch positioned at linear motor 2 16 Contracting end is fixedly connected with and is stretched out with linear motor 2 16 cylinder 17 of circular open 14, is located at 17 upper end upper surface of cylinder and gas Handrail crossbeam 18 that cylinder 17 is fixedly connected, be fixedly connected positioned at 18 both ends of handrail crossbeam with handrail crossbeam 18 and with handrail crossbeam 18 be slidably connected groove 2 19, positioned at 18 both ends of handrail crossbeam be fixedly connected with handrail crossbeam 18 with baffle 22, be located at gear Circular hole 1 that 22 center of piece is fixedly connected with baffle 22 is fixedly connected in circular hole 1 with circular hole 1 and side and circle Steel ball 24 that hole 1 is fixedly connected, is located at handrail crossbeam at the spring 25 being fixedly connected with steel ball 24 positioned at 24 other side of steel ball The soft suede 26 and consolidate positioned at 18 one end of handrail crossbeam and handrail crossbeam 18 that 18 outer surfaces are fixedly connected with handrail crossbeam 18 Surely the lifter switch 44 connected is constituted；The handrail frame that the disassembly mechanism is fixedly connected by being located at 5 top of cylindrical body with cylindrical body 5 Frame 2 is fixedly connected with groove 1 in groove 1 and square tube 27 that one end is fixedly connected in handrails framework 2, is located at side 27 one end of pipe is fixedly connected with and is inserted into square tube 27 convex shape 28 in groove 1, is located at 2 lower section of handrails framework and handrail Column 21 that frame 2 is fixedly connected, be fixedly connected positioned at 21 inner surface of column with column 21 and the card slot of vertical direction 29, The multiple circular holes for being fixedly connected positioned at 21 outer surface of column with column 21 and being uniformly distributed and being fixedly connected with steel ball 24 up and down 2 30, the dependence crossbeam 31 that is fixedly connected with handrails framework 2 positioned at 2 top of handrails framework and it is located at and leans on 31 upper surface of crossbeam It is constituted with the software foam 32 that crossbeam 31 is fixedly connected is leaned on；The lighting mechanism is by being located at 13 side surface of damper box and damper box 13 be fixedly connected circular hole 3 33, be fixedly connected in circular hole 3 33 with circular hole 3 33 tempered glass 34, be located at circular hole three Be fixedly connected with circular hole 3 33 in 33 and be fixedly connected with tempered glass 34 sensitive probes 35, in damper box 13 and position The luminescence chip 36 that is fixedly connected with damper box 13 in the corresponding position of tempered glass 34 is located at tempered glass 34 and luminescence chip The reflective mirror 38 being fixedly connected between 36 with damper box 13 is constituted, and battery 37, the luminescence chip are equipped in the damper box 36 are electrically connected with battery 37, sensitive probe 35, microchip 12；The cigarette lighting device is by being located at 5 side surface of cylindrical body and circle Cylindrical concave volume 39 that cylinder 5 is fixedly connected, be fixedly connected positioned at cylindrical 39 inside of concave volume with cylinder concave volume 39 it is heat-insulated Layer 40, is located in cylindrical concave volume 39 fixing card 41 being fixedly connected on the outside of cylindrical concave volume 39 with cylindrical concave volume 39 The ignition head 42 being fixedly connected with cylindrical concave volume 39, the photosensitive original being fixedly connected positioned at 42 outer surface of ignition head with ignition head 42 Part 43 and the composition of heater 20 being fixedly connected positioned at cylindrical 39 inside of concave volume with cylindrical concave volume 39；The battery 37 by Miniature lithium battery block is made；The software foam 32 is made of the harder sponge of material；The pole body 1 is by high-strength light alloy It is made；The rubber sleeve 4 is mutually matched use with bracket 3；The outer surface of the groove 2 19 carries out grinding process.

The characteristics of the present embodiment is that bottom end support device is equipped with below pole body, and bottom end support device is by being located under pole body The bracket being fixedly connected with pole body, the cylindrical body being fixedly connected with bracket positioned at rack upper surface are held, is located at bracket one end and props up Rubber sleeve that frame is fixedly connected, positioned at the connecting hole that cylindrical body lower end side surface is fixedly connected with cylindrical body, be located in connecting hole It is fixedly connected with connecting hole and is fixedly connected and protrudes into bracket with the bearing being fixedly connected among bracket, positioned at the bracket other end The linear motor that is fixedly connected to the intracorporal end of cylinder, positioned at cylinder interior surface with cylindrical body is located at linear motor and revolves Turn end and input terminal is fixedly connected with telescopic machine that output end is fixedly connected with end with linear motor, positioned at cylinder interior surface The microchip that is fixedly connected with cylindrical body, the oblong service ports being fixedly connected in cylinder body side surface with cylindrical body and Adjustable height devices, lighting mechanism, cigarette lighting device, the disassembly mechanism being successively arranged above cylindrical body collectively form, micro- Cake core and linear motor, microchip are electrically connected.Adjustable height devices are fixed by being located at cylindrical body upper end with cylindrical body The damper box of connection, positioned at the circular open that damper box upper surface is fixedly connected with damper box, be located at damper box upper end on the outside of table Groove one that face is fixedly connected with damper box, is located at straight line at the linear motor two being fixedly connected in damper box with damper box Two telescopic end of motor is fixedly connected with and is stretched out with linear motor two cylinder of circular open, is located at cylinder upper end upper surface and cylinder The handrail crossbeam that is fixedly connected is fixedly connected with handrail crossbeam and is slidably connected with handrail crossbeam recessed positioned at handrail crossbeam both ends Slot two, positioned at being fixedly connected with baffle, positioned at baffle center with baffle of being fixedly connected with handrail crossbeam of handrail crossbeam both ends Circular hole one is fixedly connected in circular hole one with circular hole one and steel ball that side is fixedly connected with circular hole one, to be located at steel ball another Spring that side is fixedly connected with steel ball, the soft suede being fixedly connected with handrail crossbeam positioned at handrail beam outer surface and it is located at The lifter switch that handrail one end of the beam is fixedly connected with handrail crossbeam is constituted.Disassembly mechanism is by being located at cylindrical body top and cylindrical body The handrails framework that is fixedly connected is fixedly connected in groove one with groove one and one end is in the side that handrails framework is fixedly connected Pipe, the convex shape for being fixedly connected and being inserted into groove one with square tube positioned at square tube one end are located at handrails framework lower section and handrail Column that frame is fixedly connected, be fixedly connected positioned at column inner surface with column and in the card slot of vertical direction, be located at column Outer surface be fixedly connected with column and be uniformly distributed up and down and be fixedly connected with steel ball multiple circular holes two, be located at handrails framework The dependence crossbeam that top is fixedly connected with handrails framework and the software being fixedly connected positioned at dependence beam surface upper with dependence crossbeam Foam is constituted.Lighting mechanism by being located at circular hole three that damper box side surface is fixedly connected with damper box, in the circular hole three and circle Tempered glass that hole three is fixedly connected with circular hole three is fixedly connected and is fixedly connected with tempered glass photosensitive in circular hole three Probe in damper box and is located at luminescence chip that the corresponding position of tempered glass is fixedly connected with damper box, positioned at tempering The reflective mirror that is fixedly connected between glass and luminescence chip with damper box is constituted, and is equipped with battery in damper box, luminescence chip with Battery, sensitive probe, microchip are electrically connected.The circle that cigarette lighting device is fixedly connected by being located at cylinder body side surface with cylindrical body Cylindricality concave volume, the thermal insulation layer being fixedly connected on the inside of cylindrical concave volume with cylindrical concave volume, be located on the outside of cylindrical concave volume and Fixing card that cylindrical concave volume is fixedly connected, is located at the ignition head being fixedly connected in cylindrical concave volume with cylindrical concave volume The photosensitive part and be located on the inside of cylinder concave volume and the fixed company of cylindrical concave volume that ignition head outer surface is fixedly connected with ignition head The heater connect is constituted.

In the present embodiment, there are two types of the application methods of the crutch, first method is in badly wounded situation Lower use, palm when held handrail crossbeam, arm upper end is clamped by crossbeam.Then press...with one's finger lifter switch, and switch is silent It rises under recognizing first, stops under second, third decline, so circulation is gone down.Signal is passed to microchip, microchip by switch Controlling linear motor drives cylinder to rise, while the handrail crossbeam connecting with cylinder rises jointly, at this time in handrail crossbeam both ends Steel ball be compressed against toward handrail crossbeam center, then handrail crossbeam starts to slide under the promotion of cylinder, because of handrail crossbeam It is major bearing structures, so spring handle steel ball is restored to originally when handrail crossbeam slides into position near suitable position Position, and state is blocked to improve the stability of handrail crossbeam at fixation with the circular hole one on column.Second method is only to need Single hand grip crutch is wanted, handrails framework is dismantled when needing not rely on crossbeam, the groove one positioned at damper box upside, because Impact direction for crutch is vertical, so applying certain pulling force in the horizontal direction, handrails framework is made to be detached from crutch main body, The toughness of crutch is not interfered with.If microchip can returning by sensitive probe in the case where road conditions are more complicated Feedback is automatic to be determined, so that linear motor is in stretched condition, and steel pawl is driven to be in open configuration, to improve the stability of crutch, Microchip control motor is in contraction state when road conditions are relatively flat, and steel pawl is driven to shrink, and keeps action more convenient. Sensitive probe can make feedback to the strong and weak past microchip of light to automatically control the luminous intensity of luminescence chip, when wanting to smoke The photosensitive part to light a cigarette on head surface is pressed, heater is in transient heating, and in heat transfer to ignition head and popping up cylinder Shape concave volume.

Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it It is interior.

Claims (10)

1. the crutch that a kind of multifunction retractable is adjusted, including pole body (1), which is characterized in that be equipped with bottom below the pole body (1) Hold support device, the bottom end support device by be located at pole body (1) lower end be fixedly connected with pole body (1) bracket (3), be located at prop up Cylindrical body (5) that frame (3) upper surface is fixedly connected with bracket (3) is located at the rubber that bracket (3) one end is fixedly connected with bracket (3) Gum cover (4) is located at that connecting hole (6) that cylindrical body (5) lower end side surface is fixedly connected with cylindrical body (5), to be located at connecting hole (6) interior Be fixedly connected with connecting hole (6) and with bracket (3) among be fixedly connected bearing (7), be located at bracket (3) other end and bracket (3) it is fixedly connected with and extend into the end (8) in cylindrical body (5), fixed positioned at cylindrical body (5) inner surface and cylindrical body (5) The linear motor (9) of connection, be located at linear motor (9) round end and input terminal be fixedly connected with linear motor (9) output end and Telescopic machine (10) that end (8) is fixedly connected is located at the minicore that cylindrical body (5) inner surface is fixedly connected with cylindrical body (5) Piece (12) is located at the oblong service ports (11) being fixedly connected on cylindrical body (5) side surface with cylindrical body (5) and is located at cylindrical body (5) the top and adjustable height devices, lighting mechanism, cigarette lighting device, the disassembly mechanism that are successively arranged collectively form, it is described miniature Chip (12) and linear motor (9), microchip (12) are electrically connected.

2. the crutch that a kind of multifunction retractable according to claim 1 is adjusted, which is characterized in that the adjustable height Device by be located at cylindrical body (5) upper end be fixedly connected with cylindrical body (5) damper box (13), be located at damper box (13) upper surface and Circular open (14) that damper box (13) is fixedly connected is located at damper box (13) upper end outer surface and the fixed company of damper box (13) The groove one (15) that connects is located at the linear motor two (16) being fixedly connected in damper box (13) with damper box (13), positioned at straight line Motor two (16) telescopic end is fixedly connected with and is stretched out with linear motor two (16) cylinder (17) of circular open (14), is located at cylinder (17) upper end upper surface is fixedly connected with cylinder (17) handrail crossbeam (18) is located at handrail crossbeam (18) both ends and handrail crossbeam (18) be fixedly connected and be slidably connected with handrail crossbeam (18) groove two (19), be located at handrail crossbeam (18) both ends and handrail cross Beam (18) be fixedly connected with baffle (22), be located at baffle (22) center be fixedly connected with baffle (22) circular hole one (23), position Be fixedly connected with circular hole one (23) in the circular hole one (23) and steel ball (24) that side is fixedly connected with circular hole one (23), positioned at steel Spring (25) that pearl (24) other side is fixedly connected with steel ball (24) is located at handrail crossbeam (18) outer surface and handrail crossbeam (18) The soft suede (26) being fixedly connected and the lifting being fixedly connected positioned at handrail crossbeam (18) one end with handrail crossbeam (18) are opened (44) are closed to constitute.

3. the crutch that a kind of multifunction retractable according to claim 1 is adjusted, which is characterized in that the disassembly mechanism by The handrails framework (2) that is fixedly connected above the cylindrical body (5) with cylindrical body (5) is located in groove one (15) and groove one (15) it is fixedly connected and square tube (27) that one end is fixedly connected in handrails framework (2), is located at square tube (27) one end and square tube (27) Be fixedly connected and be inserted into groove one (15) convex shape (28), be located at it is fixed with handrails framework (2) below handrails framework (2) The column (21) of connection, be located at column (21) inner surface be fixedly connected with column (21) and the card slot of vertical direction (29), It is fixedly connected positioned at column (21) outer surface with column (21) and is uniformly distributed and is fixedly connected with steel ball (24) more up and down A circular hole two (30) is located at dependence crossbeam (31) and be located at dependence that handrails framework (2) top is fixedly connected with handrails framework (2) Crossbeam (31) upper surface is constituted with the software foam (32) that crossbeam (31) are fixedly connected is leaned on.

4. the crutch that a kind of multifunction retractable according to claim 2 is adjusted, which is characterized in that the lighting mechanism by The circular hole three (33) that is fixedly connected positioned at damper box (13) side surface with damper box (13) is located in circular hole three (33) and circular hole three (33) tempered glass (34) that is fixedly connected is located in circular hole three (33) and is fixedly connected with circular hole three (33) and and tempered glass (34) sensitive probe (35) that is fixedly connected is located in damper box (13) and is located at tempered glass (34) corresponding position and adjusts It is luminescence chip (36) that box (13) is fixedly connected, solid with damper box (13) between tempered glass (34) and luminescence chip (36) Surely the reflective mirror (38) that connects is constituted, and is equipped with battery (37) in the damper box, the luminescence chip (36) and battery (37), Sensitive probe (35), microchip (12) are electrically connected.

5. the crutch that a kind of multifunction retractable according to claim 1 is adjusted, which is characterized in that the cigarette lighting device by The cylindrical concave volume (39) that is fixedly connected positioned at cylindrical body (5) side surface with cylindrical body (5) is located on the inside of cylindrical concave volume (39) The thermal insulation layer (40) that is fixedly connected with cylindrical concave volume (39), be located at it is solid with cylindrical concave volume (39) on the outside of cylindrical concave volume (39) Surely the fixing card (41) that connects, be located at the ignition head (42) being fixedly connected in cylindrical concave volume (39) with cylinder concave volume (39), The photosensitive part (43) that is fixedly connected positioned at ignition head (42) outer surface with ignition head (42) and it is located in cylindrical concave volume (39) The heater (20) that side is fixedly connected with cylindrical concave volume (39) is constituted.

6. the crutch that a kind of multifunction retractable according to claim 4 is adjusted, which is characterized in that the battery (37) by Miniature lithium battery block is made.

7. the crutch that a kind of multifunction retractable according to claim 3 is adjusted, which is characterized in that the software foam (32) it is made of the harder sponge of material.

8. the crutch that a kind of multifunction retractable according to claim 1 is adjusted, which is characterized in that the pole body (1) by High-strength light alloy is made.

9. the crutch that a kind of multifunction retractable according to claim 1 is adjusted, which is characterized in that the rubber sleeve (4) Use is mutually matched with bracket (3).

10. the crutch that a kind of multifunction retractable according to claim 2 is adjusted, which is characterized in that the groove two (19) outer surface carries out grinding process.