CN107296345A - A kind of crutch with bench function - Google Patents

Abstract

The invention relates to a crutch with a stool function. Axial guide grooves are arranged on the left and right sides of the main rod, a fixed seat is set in the middle of the main rod, and a positioning seat, a movable seat and a connection The front side of the connecting seat and the connecting end of the stool surface are pivotally connected to each other. The bottom of the movable end of the stool surface and the front side of the movable seat are connected by two support rods. The rear side of the movable seat is hinged with two supporting feet. The rear sides of the fixing seats are connected by pull rods, and the position of the positioning seat and the connecting seat corresponding to the axial guide groove is provided with a positioning hole, and a limit steel wire is placed in the axial guide groove, and the upper and lower ends of the limit steel wire are respectively set There are radial upper and lower positioning parts. The upper and lower radial positioning parts are respectively accommodated in the positioning holes of the connecting seat and the positioning seat. The middle part of the limit steel wire is provided with a radial limit part. The seat cover is arranged between the limiting part and the connecting seat, the invention has better strength and stability, and the folding is more convenient and fast.

Description

A crutch with a stool function

technical field

The invention relates to a crutch, in particular to a crutch with the function of a stool.

Background technique

Crutches are essential supplies for elderly friends. Existing crutches generally include a main rod and a handle. relatively simple.

Someone designs a crutch chair with seat function for this reason, as the announcement number is that CN103859723B, CN103859724B, CN 103720148 B disclose a kind of crutch chair, and this crutch chair is to be provided with a The fixed seat is provided with a pivotal seat that can move relative to the crutch rod at a position close to the top of the crutch rod, and a chair seat that is pivotally connected to the pivotal seat and a chair foot that is pivotally connected to the fixed seat , and a support rod group pivotally connected between the seat group and the chair feet, and after the crutch chair is folded, the center of gravity of the crutch chair is located between the middle section and the top end of the crutch rod. When the crutch chair assists walking, the swinging moment is small, and it is easier and less labor-saving when swinging back and forth, which can reduce the burden on the user and prevent the user from colliding with the folded seat and chair legs, which may cause the user to trip To improve the convenience and safety of the crutch chair by avoiding dangers.

The middle of the supporting legs of the crutch chair mentioned above is a foldable structure, so that the strength of the supporting legs will be affected. In addition, when folding, the folding parts in the middle of the supporting legs are all rotated upwards. In this way, in order not to touch the body during the folding process, it is necessary to The supporting feet face outward or on both sides, and there are certain potential safety hazards in some crowded places.

Contents of the invention

In view of the above problems, the object of the present invention is to provide a crutch with a stool function, which improves the structure of the existing crutch chair, so that the supporting feet and the stool surface are both rotated downward when they are folded, and the supporting feet are integrated , the present invention has better strength and stability, and the folding is more convenient and fast.

In order to achieve the above purpose, the following technical solutions are adopted:

A crutch with a stool function, including a main rod, the upper end of the main rod is provided with a handle, and the lower end is provided with a bottom cover, and the feature is that axial guide grooves are arranged on the left and right sides of the main rod, and the main rod The middle part is covered with a fixed seat, and the main rod is located above the fixed seat and is also provided with a positioning seat, a movable seat and a connecting seat. The inner and outer sides of the stool surface have a connecting end and a movable end respectively. The connecting ends of the stool are pivotally connected to each other, the bottom of the movable end of the stool surface and the front side of the movable seat are connected by at least two support rods, the rear side of the movable seat is at least hinged with two supporting legs, and the middle part of the supporting leg is connected to the rear side of the fixed seat. They are connected by pull rods. The positioning seat and the connecting seat are provided with positioning holes corresponding to the positions of the axial guide grooves. Limiting steel wires are placed in the axial guide grooves. The upper and lower ends of the limiting steel wires are respectively provided with radial upper The positioning part and the lower positioning part, the upper and lower radial positioning parts are respectively accommodated in the positioning holes of the connecting seat and the positioning seat, and the middle part of the limit steel wire is provided with a radial limit part, and the movable seat cover is set in the limit Between the position part and its connecting seat, and can move axially between the limiting part and the connecting seat. When the movable seat moves upward, the lower end of the supporting leg and the movable end of the stool surface rotate downward and move closer to the main rod until they fit together. on the main pole.

The main rod includes the upper part of the main rod and the telescopic rod. The fixed seat, the movable seat, the connecting seat and the limit steel wire are all arranged on the upper part of the main rod, and the telescopic rod is accommodated inside the upper part of the main rod from the bottom port of the upper part of the main rod. And it can expand and contract along the axial direction, and the bottom sleeve is provided with the lower end of the telescopic rod.

A positioning spring pin is provided on the upper section of the main rod, and a pin hole is provided on the connecting seat.

The stool surface includes a stool surface main body in the middle and side panels on both sides. The side panels are pivotally connected to both sides of the stool surface main body, and a folding torsion spring is sleeved on the pivot, and the folding torsion spring exerts force on the side panel to the stool. The function of rotating the bottom of the main body of the stool; the main body of the stool surface and the connecting seat are pivotally connected to each other, and the pivot between the connecting end of the main body of the stool surface and the connecting seat is provided with an unfolding torsion spring, and the unfolding torsion spring exerts a force on the main body of the stool surface With the force of upward turning, the upper ends of the support rods are movably connected to the bottoms of the side plates on both sides of the main body of the stool surface.

At the bottom of the movable end of the stool surface main body 51 is provided a lock hook 59 that cooperates with the positioning seat 27 .

The two side plates are provided with a T-shaped guide groove at the bottom near the movable end, and a sliding seat is arranged in the T-shaped guide groove. The sliding seat can slide in the T-shaped guide groove and can rotate freely. The joint is hinged, the upper end of the support rod is hinged with the adapter, and the direction of the hinge axis of the sliding seat and the connector is perpendicular to the direction of the hinge axis of the connector and the support rod.

The supporting legs and the supporting rods are a pair, the upper ends of the supporting legs are hinged on the hinged part on the rear side of the movable seat, and the lower ends of the supporting rods are hinged on the hinged part on the front side of the movable seat.

The upper parts of the two support feet 7 are connected by a stay cord, and the two support rods are connected by a stay cord.

The main body of the stool surface includes a connecting plate and a movable plate, the connecting plate is pivotally connected to the connecting seat, and the side plates on both sides are pivotally connected to both sides of the movable plate; a guiding mechanism, Resetting mechanism and locking mechanism, the movable plate is relative to the connecting plate 511 front and rear sliders through the guide mechanism, the locking mechanism can lock the connecting plate and the movable plate, and the reset mechanism makes the movable plate automatically reset forward when the locking mechanism is released.

The guide mechanism includes a guide groove and a guide hole set in the front and rear directions, the movable plate is limited in the guide hole by rivets, a baffle plate is arranged at the position corresponding to the guide groove at the bottom of the movable plate, and the reset mechanism is arranged in the guide groove Inside, the reset mechanism is a reset spring, and one end of the reset spring is pressed against the side wall at the end of the guide groove, and the other end is squeezed by the baffle; the lock mechanism is a button on the connecting plate, and the The movable plate is provided with a lock hole matched with the button, and when the movable plate squeezes the return spring into place, the button can just be accommodated in the lock hole to lock the movable plate and the connecting plate.

The telescopic rod is an umbrella, the handle of the umbrella is plugged into the lower end of the upper section of the main rod, and the bottom cover is arranged at the end of the umbrella.

The handle contains a player and a lithium battery, and a lamp bead is arranged at the front end of the handle, and the lithium battery supplies power for the player and the lamp bead, and the control buttons and the charging interface of the player and the lithium battery are arranged on the surface of the handle.

The handle is also provided with a bluetooth module, the player can be wirelessly connected with the smart terminal through the bluetooth module, the player is built with a radio, and the surface of the handle is also provided with a USB interface.

Compared with the prior art, the biggest difference of the present invention is that when the stool is folded, the supporting legs and the seat are turned downwards. This feature may prevent crutches from bumping into others and oneself when the stool is folded in crowded places, and has the advantages of Better safety; in addition, the supporting legs of the present invention are of an integrated structure, which is stronger than the supporting legs of the existing intermediate folding structure, which solves the problem that the existing crutches and stools cannot bear a large weight, and at the same time ensures that they cannot be folded. It affects the normal use of crutches; the present invention has better strength and stability, and is more convenient and quick to fold.

Description of drawings

Fig. 1 is the structural representation when the present invention is opened;

Fig. 2 is a schematic view of the side structure when the present invention is opened;

Fig. 3 is a schematic diagram of the side structure of the folded stool of the present invention;

Fig. 4 is the second schematic diagram of the side structure of the folded stool of the present invention;

Fig. 5 is a structural schematic diagram of the folded stool of the present invention;

Fig. 6 is a schematic structural view of the main rod of the crutches of the present invention;

Fig. 7 is a schematic diagram of cooperation between the upper section of the main rod of the present invention and the fixed seat, the movable seat and the connecting seat;

Fig. 8 is a schematic cross-sectional view of the main rod of the crutches of the present invention;

Fig. 9 is a schematic diagram of the bottom structure of the stool surface of the present invention;

Fig. 10 is a schematic diagram of cooperation between the stool surface of the present invention, the sliding seat and the connecting head;

Fig. 11 is a schematic structural view of the movable stool surface of the present invention;

Fig. 12 is a schematic diagram of the exploded structure of the movable stool surface of the present invention;

Fig. 13 is a schematic diagram of the exploded structure of the movable stool surface in another direction of the present invention;

Fig. 14 is a schematic structural view of the present invention adopting a movable stool surface;

Fig. 15 is a schematic diagram of the structure of the present invention after adopting the folding of the movable stool surface;

Fig. 16 is a schematic structural view of the limiting wire of the present invention;

Fig. 17 is a structural schematic diagram of the umbrella function of the present invention.

detailed description

As shown in Figure 1-17, a crutch with a stool function includes a main rod 1, a handle 2 is provided at the upper end of the main rod 1, and a bottom cover 3 is provided at the lower end, and the feature is that: Axial axial guide grooves 11 are arranged on the left and right sides, and a fixed seat 21 is set in the middle of the main rod 1, and a positioning seat 27, a movable seat 22 and a connecting seat 23 are also set on the main rod 1 above the fixed seat 21 , the front side of the connecting seat 23 is pivotally connected to the inner connecting end of the stool surface 5, the bottom of the movable end of the stool surface 5 outside and the front side of the movable seat 22 are at least connected by two support rods 6, and the rear of the movable seat 22 At least two supporting feet 7 are hinged on the side, and the middle part of the supporting foot 7 is connected with the rear side of the fixed seat 21 through a pull rod 8. The positioning seat 27 and the connecting seat 23 are provided with positioning holes 25 at the positions corresponding to the axial guide groove 11. , the limit steel wire 16 is placed in the axial guide groove 11, the upper and lower ends of the limit steel wire 16 are respectively provided with a radial upper positioning part 17 and a lower positioning part 18, and the radial positioning parts of the upper and lower ends of the limit steel wire 16 are respectively Accommodated in the positioning hole 25 of the connecting seat 23 and the positioning seat 27, the middle part of the limiting steel wire 16 is provided with a radial limiting part 19, and the movable seat cover 22 is arranged between the limiting part 19 and the connecting seat 23 , and can move axially between the limiting part 19 and the connecting seat 23, when the movable seat 22 moves upwards, the lower end of the supporting foot 7 and the movable end of the stool surface 5 rotate downward and move closer to the main rod 1 until they fit together on main rod 1.

Described supporting foot 7 and supporting rod 6 are a pair, and supporting foot 7 upper ends are hinged on the hinged part of movable seat 22 rear sides, and the lower end of supporting rod 6 is hinged on the hinged part of movable seat 22 front sides; The upper parts of the two support legs 7 are connected by a stay cord, and the two support bars 6 are connected by a stay cord; the main bar 1 includes a main bar upper section 12 and a telescopic bar 13, and the fixed seat 21, the movable The seat 22, the connecting seat 23 and the limit steel wire 16 are all arranged on the upper section 12 of the main rod. The lower end of the telescopic rod 13 is set in 3 sets; the positioning spring pin 15 is arranged on the upper section 12 of the main rod, and a pin hole 231 is opened on the connecting seat 23 .

The stool surface 5 includes a stool surface main body 51 in the middle and side plates 52 on both sides. The side plates 52 are pivotally connected to both sides of the stool surface main body 51, and a folding torsion spring 55 is sleeved on the pivot shaft. The folding torsion spring 55 acts on the side plate 52 to rotate toward the bottom of the stool surface main body 51; the stool surface main body 51 and the connecting seat 23 are pivotally connected to each other, and the pivot between the connecting end of the stool surface main body 51 and the connecting seat 23 is covered Set the unfolding torsion spring 53, and the unfolding torsion spring 53 exerts an upward turning force on the stool surface main body 51, and the upper end of the support rod 6 is movably connected to the bottom of the side plates 52 on both sides of the stool surface main body 51; Side plate 52 is provided with T-shaped guide groove 56 near the bottom of movable end, and slide seat 57 is set in T-shaped guide groove 56, and slide seat 57 can slide in T-shaped guide groove 56 and can rotate freely, and described slide seat 57 and An adapter 58 is hinged, the upper end of the support rod 6 is hinged with the adapter 58, and the direction of the hinge axis between the slide seat 57 and the connector 58 is perpendicular to the direction of the hinge axis between the connector 57 and the support rod 8.

In the present invention, when the stool surface is folded, the movable seat 22 moves upward, and the upper end of the support rod 6, the lower end of the support leg 7 and the stool surface all rotate downward, and at the same time, the pull rod rotates upward, so that the parts of the crutch during the folding process will not resemble the present one. There are crutches and stools to support the legs to expand outward, so the folding process avoids scratching others and yourself; when the movable seat 23 pushes against the connecting seat 23, the movable seat 22 continues to drive the connecting seat 23 and the positioning seat 23 to move upward until it is positioned The spring pin 15 is aligned with the pin hole 231, and the connecting seat 23 is locked, and the supporting foot 7, the supporting rod 6, the stool surface 5 and the pull rod are fitted on the main rod.

At the same time, a folding torsion spring 55 is arranged on the pivot between the stool main body 51 of the present invention and the side plates 52 on both sides. Since the support rod 6 is connected with the T-shaped guide groove 56 at the bottom of the side plate through the adapter 58 and the sliding seat 57, When the stool surface of the crutch is attached to the main rod, the support rod 6 loses its supporting force to the side plates, and the side plates 52 on both sides are automatically folded to wrap the main rod 1 under the action of the folding torsion spring 55. Now the crutch is in the state of Fig. 3; finally the telescopic rod 13 shrinks into the upper section 12 of the main rod as shown in Fig. 4 and 5, so far the crutch is folded and folded.

The present invention adopts the combination connection mode of the T-shaped guide groove 56, the adapter 58 and the sliding seat 57, mainly to increase the activity space and avoid the jamming phenomenon between the support rod 6 and the stool surface 5 when unfolding and folding, and increase the Reliability of the product; in addition, the present invention is provided with an unfolding torsion spring 53 between the stool surface 5 and the connecting seat 23, which provides an automatic unfolding force when opening, making the opening process more labor-saving and smooth.

In the present invention, a player and a lithium battery are installed on the handle 2, and a lamp bead is arranged at the front end of the handle, the lithium battery supplies power for the player and the lamp bead, and the control buttons of the player and the lithium battery are arranged on the surface of the handle And the charging interface; there is also a Bluetooth module on the handle 2, the player can be wirelessly connected to the smart terminal through the Bluetooth module, the player has a built-in radio, and the surface of the handle is also equipped with a USB interface; usually you can listen to music or radio when you carry it around , and can also be connected to the smart terminal via Bluetooth to realize the diversification of functions. There is also a lamp bead on the front end of the handle 2. The handle is equivalent to a flashlight, which can provide lighting when walking at night.

The telescopic rod 13 of the present invention is an umbrella, the handle of the umbrella is plugged into the lower end of the upper section of the main rod, the bottom cover 3 is arranged on the end of the umbrella, and the outer cover is provided with a decorative cover, which does not affect the crutches at ordinary times. In normal use, the umbrella can be opened by taking off the decorative cover when it rains; the use function of the crutches is added.

In addition, the present invention may also improve the structure of the stool surface, so that the stool surface can be opened and closed more smoothly, and the stool surface main body 51 is set as a connecting plate 511 and a movable plate 512, and the connecting plate 511 is pivotally connected with the connecting seat 23. The side plates 51 are pivotally connected to both sides of the movable plate 512; a guiding mechanism, a reset mechanism and a locking mechanism are arranged between the connecting plate 511 and the movable plate 512, and the movable plate 512 slides back and forth relative to the connecting plate 511 through the guiding mechanism , the locking mechanism can lock the connecting plate 511 and the movable plate 512, and the reset mechanism makes the movable plate 512 automatically reset and move forward when the locking mechanism is released; The plate 512 is limited in the guide hole 515 by the rivet 516, the position of the guide groove 513 corresponding to the bottom of the movable plate 512 is provided with a baffle 517, and the reset mechanism is arranged in the guide groove 513, and the reset mechanism is reset Spring 518, one end of back-moving spring 518 abuts on the side wall of guide groove 513 ends, and the other end is subjected to the extruding of baffle plate 517; There is a lock hole 510 matched with the button 519. When the movable plate 512 squeezes the return spring 518 into place, the button 519 can just be accommodated in the lock hole 510 to lock the movable plate 512 and the connecting plate 511; The bottom of the movable end is provided with a locking hook 59 that matches the positioning sleeve, and the upper side of the positioning sleeve is provided with a locking groove that cooperates with the locking hook 59 .

With the above-mentioned stool surface structure, when the button 519 is pressed when folding, the movable plate 512 slides outward under the thrust of the return spring 518, the original tension state of the stool surface 5 and the support rod 6 is immediately relaxed, and the stool surface is downward. Turn over and move the movable seat up, and at the same time, the connecting seat drives the positioning seat to move up together, the supporting legs shrink inward, and then press the stool surface after folding it in place to make the locking hook 59 cooperate with the upper lock groove of the positioning sleeve, so that the stool surface is fixed , the connecting seat and the positioning sleeve are locked by the spring pin 15 and the lock hole 231, and the integrity of the crutch stool is better after being folded.

When opening the crutch stool, you only need to push the movable plate 512 upwards or pull the movable seat 23 upwards, so that the lock hook 59 can be disengaged from the lock groove, and the spring pin 15 can be pressed at the same time, so that the spring pin 15 can break away from the lock hole 231. It makes the opening of the stool surface and supporting feet very labor-saving and smooth.

Compared with the prior art, the biggest difference of the present invention is that when the stool is folded, the supporting legs and the seat are turned downwards. This feature may prevent crutches from bumping into others and oneself when the stool is folded in crowded places, and has the advantages of Better safety; in addition, the supporting foot of the present invention is a whole one-piece structure, which is stronger than the supporting foot of the existing middle folding structure, which solves the problem that the existing crutch stool cannot bear a large weight, and at the same time ensures the The normal use of the crutch will not be affected after being folded; the present invention has better strength and stability, and the folding is more convenient and fast.

Claims (10)

1. a kind of crutch with bench function, including mobile jib（1）, mobile jib（1）Upper end is provided with handle（2）, lower end is provided with bottom Set（3）, it is characterised in that：In described mobile jib（1）The left and right sides be provided with axial axial channel（11）, in mobile jib（1） Middle part be arranged with fixed seat（21）, mobile jib（1）It is upper to be located at fixed seat（21）Top is also arranged with positioning seat（27）, sliding seat （22）And connecting seat（23）, described connecting seat（23）Front side and stool surface（5）The connection end of inner side is mutually pivotally connected, stool surface（5）Outside The bottom of side movable end and sliding seat（22）At least through two support bars between front side（6）Connection, sliding seat（22）Rear side At least it is hinged two support feets（7）, support feet（7）Middle part and fixed seat（21）Pass through pull bar between rear side（8）Connection, it is described Positioning seat（27）And connecting seat（23）Correspondence axial channel（11）Position on be provided with positioning hole（25）, led in described axial direction Groove（11）Inside it is equipped with spacing steel wire（16）, spacing steel wire（16）Upper and lower side is respectively arranged with the upper location division of radial direction（17）With under Location division（18）, spacing steel wire（16）The location division of upper and lower side radial direction is respectively contained in connecting seat（23）And positioning seat（27）Determine Position hole（25）It is interior, spacing steel wire（16）Middle part is provided with the limiting section of radial direction（19）, described activity cover for seat（22）It is arranged on limit Position portion（19）It is attached thereto seat（23）Between, and can be in limiting section（19）With connecting seat（23）Between move axially, sliding seat （22）Support feet when moving up（7）Lower end and stool surface（5）Movable end be rotated down and to mobile jib（1）Draw close until laminating In mobile jib（1）On.

2. a kind of crutch with bench function as claimed in claim 1, it is characterised in that：The mobile jib（1）Including on mobile jib Section（12）And expansion link（13）, described fixed seat（21）, positioning seat（27）, sliding seat（22）, connecting seat（23）And it is spacing Steel wire（16）It is provided with mobile jib epimere（12）On, expansion link（13）From mobile jib epimere（12）Bottom nozzle is placed in mobile jib epimere （12）Inside simultaneously can axially stretch, described bottom set（3）Set sets expansion link（13）Lower end.

3. a kind of crutch with bench function as claimed in claim 2, it is characterised in that：Described mobile jib epimere（12）On set It is equipped with positioning spring pin（15）, in described connecting seat（23）On be installed with pin-and-hole（231）.

4. a kind of crutch with bench function as claimed in claim 1, it is characterised in that：Described stool surface（5）Including centre Stool surface main body（51）With the side plate of both sides（52）, side plate（52）It is articulated in stool surface main body（51）Both sides, be arranged on pivot There is folding torsion spring（55）, fold torsion spring（55）To side plate（52）Apply to stool surface main body（51）The effect of bottom direction rotation；Institute The stool surface main body stated（51）With connecting seat（23）Mutually pivot joint, stool surface main body（51）Connection end and connecting seat（23）Between pivot Set sets expansion torsion spring on axle（53）, deploy torsion spring（53）To stool surface main body（51）Apply the active force being flipped up, it is described Support bar（6）Upper end is movably connected in side plate（52）Bottom；In described stool surface main body（51）The bottom of movable end is provided with With positioning seat（27）The latch hook of cooperation（59）.

5. a kind of crutch with bench function as claimed in claim 4, it is characterised in that：Two blocks of described side plates（52）By The bottom of nearly movable end is provided with T-shaped guide groove（56）, T-shaped guide groove（56）Interior setting slide（57）, slide（57）Can be in T-shaped guide groove （56）Slide and be freely rotatable, described slide（57）With an adapter（58）It is hinged, described support bar（6）Upper end is with turning Joint（58）It is hinged, slide（57）With connector（58）It is hinged direction of principal axis and connector（57）With support bar（8）It is hinged direction of principal axis It is mutually perpendicular to.

6. a kind of crutch with bench function as claimed in claim 1, it is characterised in that：Described support feet（7）And support Bar（6）It is a pair, support feet（7）Upper end is hinged on sliding seat（22）On the articulated section of rear side, support bar（6）Lower end be hinged In sliding seat（22）On the articulated section of front side；Two described support feets（7）Top is connected by drawstring, two described supports Bar（6）Between connected by drawstring.

7. a kind of crutch with bench function as claimed in claim 4, it is characterised in that：The stool surface main body（51）Including even Fishplate bar（511）And portable plate（512）, connecting plate（511）With connecting seat（23）Pivot joint, the side plate of both sides（51）It is articulated in portable plate （512）Both sides；In described connecting plate（511）With portable plate（512）Between be provided with guiding mechanism, resetting-mechanism and locking Mechanism, portable plate（512）By guiding mechanism with respect to connecting plate（511）Front and rear sliding block, locking mechanism can be by connecting plate（511）With Portable plate（512）Locking, resetting-mechanism causes portable plate when locking mechanism unclamps（512）Automatic reseting movement forward.

8. a kind of crutch with bench function as claimed in claim 7, it is characterised in that：Described guiding mechanism includes front and rear Direction sets guide groove（513）And pilot hole（515）, portable plate（512）Pass through rivet（516）It is limited in pilot hole（515） It is interior, portable plate（512）The corresponding guide groove in bottom（513）Position on be provided with baffle plate（517）, described resetting-mechanism sets In guide groove（513）Interior, described resetting-mechanism is back-moving spring（518）, back-moving spring（518）One end withstands on guide groove （513）On the side wall of end, the other end is by baffle plate（517）Extruding；Described locking mechanism is pressing on setting connecting plate Button（519）, it is provided with the portable plate and button（519）The lockhole of cooperation（510）, work as portable plate（512）Pressed home Spring（518）When in place, button（519）Lockhole can just be placed in（510）It is interior by portable plate（512）And connecting plate（511）Lock It is fixed.

9. a kind of crutch with bench function as claimed in claim 2, it is characterised in that：Described expansion link（13）For one Umbrella, the handle of umbrella is plugged on the bottom of mobile jib epimere, described bottom set（3）It is arranged on the end of umbrella.

10. a kind of crutch with bench function as claimed in claim 2, it is characterised in that：Described handle（2）Played in upper Device and lithium battery, lamp bead is additionally provided with the front end of handle, and lithium battery is that player and lamp bead are powered, and is set on the surface of handle There are the control button and charging inlet of player and lithium battery.