CN209883604U

CN209883604U - Go-carts

Info

Publication number: CN209883604U
Application number: CN201822145175.8U
Authority: CN
Inventors: 刘奀仔
Original assignee: Shunde Foshan Fuyu Plastic Toys Co Ltd
Current assignee: Shunde Foshan Fuyu Plastic Toys Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-01-03
Anticipated expiration: 2028-12-20

Abstract

The utility model relates to a walker, which comprises a top plate, a first adjusting device for adjusting the height of the top plate or rotating the top plate, a first supporting rod, a second supporting rod, a chassis and a second adjusting device for folding or unfolding the chassis, the chassis comprises a chassis front part and a chassis rear part, the chassis front part is hinged with the chassis rear part, the second adjusting device is arranged at the hinged position of the chassis front part and the chassis rear part, the top disk is positioned above the chassis, the top disk is provided with a seat cavity convenient for children to stand or sit down, the first adjusting devices are respectively arranged at two sides of the top disk, one end of the first supporting rod is movably connected with the first adjusting device, the other end of the first supporting rod is movably connected with the front part of the chassis, one end of the second supporting rod is movably connected with the first adjusting component, the other end of the second supporting rod is movably connected with the rear part of the chassis, and the first supporting rod and the second supporting rod upwards support the top disk. Folding walker, the volume of the walker that significantly reduces facilitates the user to carry or accomodate.

Description

Go-carts

Technical Field

The utility model relates to an infant article, in particular to a baby walker.

Background

The baby walker is a tool for a baby to learn to walk in a small time, can appropriately assist the baby to learn to walk, has an entertainment function, and is helpful for training the coordination of the limb movement of the baby. On the premise of ensuring safe and correct use, the walker provides a convenient tool for the baby to walk and liberates both hands of the mother.

Present walker, because whole car is bulky, and general walker can't fold or only can partially fold, lead to the walker to occupy too much space when not using, neither be convenient for transport, be convenient for accomodate yet, perhaps children are when outdoor walker, because the walker is bulky after can't folding or folding, inconvenient user carries, reduce the practicality of walker, and because every baby's height has the difference, current walker generally can't height-adjusting or height-adjusting is comparatively complicated, increase the degree of difficulty that the baby learnt the step, and be not convenient for user operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a baby walker folding easy, altitude mixture control is simple.

The purpose of the utility model is realized like this:

a walker, which comprises a top plate, a first adjusting device for adjusting the height of the top plate or rotating the top plate, a first supporting rod, a second supporting rod, a chassis and a second adjusting device for folding or unfolding the chassis, the chassis comprises a chassis front part and a chassis rear part, the chassis front part is hinged with the chassis rear part, the second adjusting device is arranged at the hinged position of the chassis front part and the chassis rear part, the top disk is positioned above the chassis, the top disk is provided with a seat cavity convenient for children to stand or sit down, the first adjusting devices are respectively arranged at two sides of the top disk, one end of the first supporting rod is movably connected with the first adjusting device, the other end of the first supporting rod is movably connected with the front part of the chassis, one end of the second supporting rod is movably connected with the first adjusting device, the other end of the second supporting rod is movably connected with the rear part of the chassis, and the first supporting rod and the second supporting rod upwards support the top disk. When the user need adjust the take-up height, can adjust the take-up height through the second adjusting device to make the baby of walker adaptation different heights use, improve the practicality of walker, and when needs folding walker, the user can fold chassis front portion and chassis rear portion together through the second adjusting device, can overturn the take-up through first adjusting device, make take-up and chassis be in on the same position, the volume of walker that significantly reduces, convenience of customers carries or accomodates.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the outer walls of the two sides of the top plate are respectively provided with a connecting part, and the two sides of the top plate, which are positioned on the connecting parts, are respectively and symmetrically provided with gear clamping openings.

As more specific scheme, first adjusting device includes casing, screens connecting block and locking Assembly, the casing includes procapsid and back casing, the back casing is opened there is the connection chamber, the casing inner chamber is arranged in to the screens connecting block, connecting portion pass and connect the chamber and be connected with the screens connecting block, top dish and casing swing joint, and the top dish uses connecting portion to rotate as rotation center. Connecting portion pass first connection chamber and are connected with the screens connecting block to make top dish and casing link together, the dish uses connecting portion to rotate as rotation center in addition, is favorable to reducing the volume of folding back walker.

According to a more specific scheme, the locking assembly comprises a gear pulling cover, a spring and a gear clamping piece, the gear clamping piece is provided with a buckle, the spring and the gear clamping piece are arranged in a shell, one end of the spring is abutted against the gear clamping piece, the other end of the spring is abutted against a clamping connecting block to form a resetting mechanism of the gear clamping piece, a buckle opening is formed in the position, corresponding to the buckle, of the rear shell, a jack communicated with the inner cavity of the shell is formed in the front shell, the gear pulling cover is in threaded connection with the jack, and the gear pulling cover penetrates through the jack to push and pull the gear clamping piece, so that the buckle is controlled to stretch out of. Through being provided with locking Assembly, locking Assembly controls the unblock or the locking of casing and top dish, and when casing and top dish unblock, the top dish is rotatable, and when casing and top dish locking, the top dish can't rotate, makes things convenient for the walker to fold or assemble.

As a more specific aspect, the locking assembly further includes a connection chamber shield cover slidably disposed on the rear housing to shield the connection chamber. The cover is shielded through being provided with the connecting cavity, the connecting portion of the top plate and the gap of the connecting cavity are prevented from leaking, the phenomenon that a baby puts fingers into the gap to cause clamping injury is avoided, and the safety of the baby walker is improved.

As a more specific scheme, the buckle penetrates through the buckle opening to be inserted into the gear clamping opening of the top plate or the bottom wall of the top plate to support the top plate, so that the height of the top plate is locked.

More specifically, the front part of the chassis is provided with a front connecting part, the rear part of the chassis is provided with a rear connecting part, the front connecting part and the rear connecting part are hinged, the front part of the chassis and the rear part of the chassis form the chassis, and the front part of the chassis and the rear part of the chassis rotate by taking the hinged part as a rotation center.

As a more specific scheme, the second adjusting device comprises a pressing cover, a reset spring, a positioning fixture block and a fixing cover, wherein a front connecting cavity is formed in the front connecting portion, a first locking hole is formed in the front connecting cavity, a pressing post is arranged on the pressing cover, the pressing cover is movably arranged in the front connecting cavity, the pressing post is aligned with the first locking hole, a rear connecting cavity is formed in the rear connecting portion, a second locking hole is formed in the rear connecting cavity, the positioning fixture block is provided with a clamping post, the positioning fixture block, the reset spring and the fixing cover are arranged in the rear connecting cavity, one end of the reset spring is abutted against the positioning fixture block, the other end of the reset spring is abutted against the fixing cover, the reset spring forms a reset mechanism of the positioning fixture block, the reset spring pushes the positioning fixture block to move, and the clamping post passes through the. The front part of the chassis and the rear part of the chassis are connected through a second adjusting device, when the clamping columns of the positioning clamping blocks are retracted into the second locking holes of the rear connecting parts, the second adjusting device unlocks the front part of the chassis and the rear part of the chassis, the front part of the chassis and the rear part of the chassis can be folded or unfolded mutually, when the clamping columns of the positioning clamping blocks are inserted into the second locking holes of the rear connecting parts and the first locking holes of the front connecting parts in sequence, the second adjusting device locks the front part of the chassis and the rear part of the chassis, the front part of the chassis and the rear part of the chassis cannot rotate or unfold mutually, and folding or assembling.

As a more specific scheme, the first lock hole of the front connecting cavity and the second lock hole of the rear connecting cavity are positioned on the same horizontal line, and the clamping column sequentially penetrates through the second lock hole and the first lock hole to realize the locking of the front part of the chassis and the rear part of the chassis.

As a more specific scheme, the front housing is provided with a first connecting column for facilitating rotation of the first support rod and a second connecting column for facilitating rotation of the second support rod, the front part of the chassis is provided with a third connecting column for facilitating rotation of the first support rod, and the rear part of the chassis is provided with a fourth connecting column for facilitating rotation of the second support rod.

The utility model has the advantages as follows:

the utility model discloses, when the user need adjust the take-up height, can adjust the take-up height through the second adjusting device to make the baby of the different heights of walker adaptation use, improve the practicality of walker, and when needs folding walker, the user can fold chassis front portion and chassis rear portion together through the second adjusting device, can overturn the take-up through first adjusting device, make take-up and chassis be in on the same position, the volume of walker that significantly reduces, convenience of customers carries or accomodates.

The utility model discloses, first adjusting device is provided with the locking subassembly, the unblock or the locking of locking subassembly control casing and top dish, and when casing and top dish unblock, the top dish is rotatable or height-adjusting, and when casing and top dish locking, the unable rotation of top dish or height-adjusting make things convenient for the walker to fold or assemble.

The utility model discloses, the chassis front portion is connected through second adjusting device with the chassis rear portion, when the second lockhole of connecting portion after the card post retraction of positioning fixture block, the locking of chassis front portion and chassis rear portion is relieved to second adjusting device, the chassis front portion can fold each other or expand with the chassis rear portion, when the card post of positioning fixture block inserts the second lockhole of back connecting portion and the first lockhole of preceding connecting portion in proper order, second adjusting device locks the chassis front portion and chassis rear portion, the chassis front portion can't rotate each other or expand with the chassis rear portion, make things convenient for the folding or the equipment of walker.

Drawings

Fig. 1 is a schematic view of the walker of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is an exploded view of the first adjusting device of the walker according to the present invention.

Fig. 5 is an exploded view of the second adjustment device of the walker according to the present invention.

Fig. 6 is a schematic view of the chassis folding of the walker of the present invention.

Fig. 7 is a folding schematic view of the baby walker of the present invention.

Fig. 8 is a schematic view of the walker according to the present invention (after adjusting the height of the top plate).

Detailed Description

The invention will be further described with reference to the following drawings and examples:

embodiment, as shown in fig. 1 to 8, a walker comprises a top plate 1, a first adjusting means 2 for adjusting the height of the top plate 1 or rotating the top plate 1, a first support bar 3, a second support bar 4, a bottom plate 5, a second adjusting means 6 for folding or unfolding the bottom plate 5, and tires 9.

The top plate 1 is provided with a seat cavity 11 convenient for a child to stand or sit, the surface of the top plate 1 is provided with a handle 100, an ornament 101 and a music plate 102, the outer walls of two sides of the top plate 1 are respectively provided with a connecting part 12, and two sides of the connecting part 12 are respectively symmetrically provided with a gear clamping opening 13.

The first adjusting device 2 comprises a shell 21, a clamping connecting block 22, a locking assembly 23 and a connecting cavity shielding cover 27, wherein the shell 21 comprises a front shell 211 and a rear shell 212, and the front shell 211 and the rear shell 212 are combined to form the shell 21. The front housing 211 is provided with a receptacle 2111 communicating with the inner cavity of the housing 21, a first connection post 2112 facilitating rotation of the first support bar 3 and a second connection post 2113 facilitating rotation of the second support bar 4.

The back casing 212 is opened there are connecting chamber 2121 and buckle mouth 2122, the casing 21 inner chamber is arranged in to screens connecting block 22, connecting portion 12 of top dish 1 passes connecting chamber 2121 and the screens connecting block 22 of casing 21 and is connected, top dish 1 and casing 21 swing joint, and connecting portion 12 constitutes the center of rotation of top dish 1, and top dish 1 can follow connecting chamber 2121 and reciprocate the height-adjusting, and connecting chamber 2121 limits the height control scope of top dish 1, connecting chamber shelters from that lid 27 slides and sets up and shelters from connecting chamber 2121 on back casing 212, avoids connecting portion 12 of top dish 1 and the space of connecting chamber 2121 to leak outward, avoids the baby to put into the finger in the space and leads to the clamp wound, improves the security of walker.

The locking assembly 23 comprises a gear pulling cover 24, a spring 25 and a gear clamping piece 26, the gear clamping piece 26 is provided with a gear buckle 261, the gear clamping piece 26 and the spring 25 are arranged in the inner cavity of the shell 21, one end of the spring 25 is abutted against the clamping connecting block 22, the other end of the spring 25 is abutted against the gear clamping piece 26, the buckle 261 of the gear clamping piece 26 is aligned to a buckle opening 2122 of the rear shell 21, the gear pulling cover 24 is in threaded connection with the insertion hole 2111, the gear pulling cover 24 is inserted into the inner cavity of the shell 21 to push the gear clamping piece 26 to act, the spring 25 is compressed, so that the buckle 261 extends out towards the buckle opening 2122 and is inserted into the gear clamping opening 13 of the top plate 1 to support the top plate 1.

The chassis 5 comprises a chassis front part 7 and a chassis rear part 8, the chassis front part 7 is provided with a third connecting column 72 and a front connecting part 71 which are convenient for the first supporting rod 3 to rotate, the front connecting part 71 is provided with a front connecting cavity 711, and the front connecting cavity 711 is provided with a first lock hole 712. The chassis rear portion 8 is provided with a fourth connecting column 82 and a rear connecting portion 81 which facilitate rotation of the second support rod 4, the rear connecting portion 81 is provided with a rear connecting cavity 811, the rear connecting cavity 811 is provided with a second locking hole 812, and the tire 9 is arranged on the chassis rear portion 8. The front connecting portion 71 and the rear connecting portion 81 are hinged together, and the chassis front portion 7 and the chassis rear portion 8 rotate with the hinged portion as a rotation center, thereby unfolding or folding the chassis front portion 7 and the chassis rear portion 8.

The second adjusting device 6 comprises a pressing cover 61, a return spring 62, a positioning fixture block 63 and a fixed cover 64, wherein the pressing cover 61 is provided with a pressing column 611, the pressing cover 61 is movably arranged in a front connecting cavity 711, the pressing column 611 is aligned with a first lock hole 712, and the pressing cover 61 can move along the front connecting cavity 711 to push the pressing column 611 to extend out of the first lock hole 712. The positioning fixture block 63 is provided with a fixture post 631, the positioning fixture block 63, the return spring 62 and the fixing cover 64 are arranged in the rear connecting cavity 811, one end of the return spring 62 abuts against the positioning fixture block 63, the other end of the return spring 62 abuts against the fixing cover 64, the return spring 62 forms a return mechanism of the positioning fixture block 63, and the return spring 62 pushes the positioning fixture block 63 to move so as to force the fixture post 631 to pass through the second lock hole 812. The first locking hole 712 of the front connection cavity 711 and the second locking hole 812 of the rear connection cavity 811 are on the same horizontal line, and if the clamping column 631 sequentially passes through the second locking hole 812 and the first locking hole 712, the front part 7 and the rear part 8 of the chassis can be locked, so that the front part 7 and the rear part 8 of the chassis are prevented from moving.

One end of the first support rod 3 is connected with the first connecting column 2112 of the first adjusting device 2, the other end of the first support rod 3 is connected with the third connecting column 72 of the front part 7 of the chassis, one end of the second support rod 4 is connected with the second connecting column 2113 of the first adjusting device 2, and the other end of the second support rod 4 is connected with the fourth connecting column 82 of the rear part 8 of the chassis, so that the first support rod 3 and the second support rod 4 can upwards support the top plate 1.

Firstly, adjusting the height of a top plate: the user rotates the gear pulling cover 24 of the first adjusting device 2, the gear pulling cover 24 extends out of the housing 21, the spring 25 is reset, the spring 25 pushes the gear fastener 26 to move, so that the buckle 261 of the gear fastener 26 retracts into the inner cavity of the housing 21 along the buckle opening 2122 of the rear housing 212, the buckle 261 is separated from the gear fastener placing opening 13 of the top plate 1, the first adjusting device 2 unlocks the top plate 1, at the moment, the user can pull the top plate 1 up and down to adjust the height of the top plate 1, when the user adjusts the top plate 1 to a proper height, the user rotates the gear pulling cover 24, the gear pulling cover 24 extends into the housing 21 and pushes the gear fastener 26 to move the compression spring 25, so that the buckle 261 of the gear fastener 26 extends out of the housing 21 along the buckle opening 2122 of the rear housing 212 and is inserted into the gear fastener placing opening 13 of the top plate 1 or inserted into the bottom of the top plate 1 to support the top plate 1.

Secondly, folding the walker: (1) folding the chassis: the user presses the pressing cover 61 of the second adjusting device 6, the pressing column 611 of the pressing cover 61 is inserted towards the first locking hole 712 of the front connecting cavity 711, the pressing column 611 extrudes the clamping column 631 of the positioning clamping block 63 out of the first locking hole 712, the clamping column 631 retracts into the second locking hole 812 of the rear connecting cavity 811 and compresses the return spring 62, the second adjusting device releases the locking of the chassis front part 7 and the chassis rear part 8, the chassis front part 7 and the chassis rear part 8 can be folded with each other, and at this time, the user bends the chassis front part 7 and the chassis rear part 8 to complete the folding of the chassis 5.

(2) The top disc rotates: the gear that the user rotated first adjusting device 2 draws lid 24, the gear is drawn lid 24 and is stretched out outside casing 21, make spring 25 reset, spring 25 promotes gear fastener 26 and removes, so that buckle 261 of gear fastener 26 retracts into the casing 21 inner chamber along buckle mouth 2122 of back casing 21, buckle 261 breaks away from the gear card of set top 1 and puts mouth 13, the locking of set top 1 is relieved to second adjusting device 6, the user can rotate set top 1 this moment, set top 1 uses connecting portion 12 to rotate as the rotation center, thereby fold set top 1 and chassis 5 on same position, reduce the volume of walker.

Thirdly, unfolding the walker: (1) opening the chassis: when a user presses the pressing cover 61 of the second adjusting device 6, the pressing column 611 of the pressing cover 61 is inserted towards the first locking hole 712 of the front connecting cavity 711, the pressing column 611 pushes the clamping column 631 of the positioning fixture block 63 out of the first locking hole 712, the clamping column 631 is retracted into the second locking hole 812 of the rear connecting cavity 811 and compresses the return spring 62, the second adjusting device 6 unlocks the front chassis part 7 and the rear chassis part 8, the front chassis part 7 and the rear chassis part 8 can be unfolded mutually, at this time, the user unfolds the front chassis part 7 and the rear chassis part 8 to unfold the chassis 5, then the user releases the pressing cover 61, the return spring 62 resets, the return spring 62 pushes the positioning fixture block 63 to move, the clamping column 631 of the positioning fixture block 63 sequentially passes through the first locking hole 712 of the front chassis part 7 and the second locking hole 812 of the rear chassis part 8, and the second adjusting device 6 locks the front chassis part 7 and.

(2) Adjusting a top plate: the user rotates the top plate 1 to the upper part of the bottom plate 5, rotates the gear pulling cover 24 of the first adjusting device 2, the gear pulling cover 24 extends out of the shell 21, the spring 25 is reset, the spring 25 pushes the gear clamping piece 26 to move, so that the buckle 261 of the gear position fastener 26 is retracted into the inner cavity of the housing 21 along the buckle opening 2122 of the rear housing 212, the buckle 261 is separated from the gear position fastener opening 13 of the top plate 1, the first adjusting device 2 releases the locking of the top plate 1, at this time, the user can pull the top plate 1 up and down, the height of the top plate 1 is adjusted, when a user adjusts the top plate 1 to a proper height, the user rotates the gear pulling cover 24, the gear pulling cover 24 extends into the shell 21 and pushes the gear clamping piece 26 to move the compression spring 25, so that the catches 261 of the gear catches 26 extend out of the housing 21 along the catch openings 2122 of the rear housing 212 and are inserted into the gear catch placement openings 13 of the top plate 1 or into the bottom of the top plate 1 for holding the top plate 1.

Claims

1. The utility model provides a walker which characterized in that: comprises a top disc (1), a first adjusting device (2) used for adjusting the height of the top disc (1) or rotating the top disc (1), a first supporting rod (3), a second supporting rod (4), a chassis (5) and a second adjusting device (6) used for folding or unfolding the chassis (5), wherein the chassis (5) comprises a chassis front part (7) and a chassis rear part (8), the chassis front part (7) is hinged with the chassis rear part (8), the second adjusting device (6) is arranged at the hinged part of the chassis front part (7) and the chassis rear part (8), the top disc (1) is positioned above the chassis (5), the top disc (1) is provided with a seat cavity (11) convenient for a child to stand or sit down, the first adjusting devices (2) are respectively arranged at two sides of the top disc (1), one end of the first supporting rod (3) is movably connected with the first adjusting device (2), the other end of the first supporting rod (3) is movably connected with the front part (7) of the chassis, one end of the second supporting rod (4) is movably connected with the first adjusting device (2), the other end of the second supporting rod (4) is movably connected with the rear part (8) of the chassis, and the first supporting rod (3) and the second supporting rod (4) bear the top plate (1) upwards.

2. The walker of claim 1 wherein: the outer walls of two sides of the top disc (1) are respectively provided with a connecting part (12), and the two sides of the top disc (1) at the connecting part (12) are respectively and symmetrically provided with gear clamping ports (13).

3. The walker of claim 2 wherein: first adjusting device (2) include casing (21), screens connecting block (22) and locking Assembly (23), casing (21) are including procapsid (211) and hou hull (212), hou hull (212) are opened and are connected chamber (2121), casing (21) inner chamber is arranged in screens connecting block (22), connecting portion (12) are passed and are connected chamber (2121) and screens connecting block (22), and top dish (1) and casing (21) swing joint, top dish (1) use connecting portion (12) to rotate as rotation center.

4. The walker of claim 3 wherein: the locking component (23) comprises a gear pulling cover (24), a spring (25) and a gear clamping piece (26), the gear fastener (26) is provided with a buckle (261), the spring (25) and the gear fastener (26) are arranged in the shell (21), one end of the spring (25) is propped against the gear clamping piece (26), the other end of the spring (25) is propped against the clamping connecting block (22) to form a resetting mechanism of the gear clamping piece (26), a buckle opening (2122) is formed in the position, corresponding to the buckle (261), of the rear shell (212), the front shell (211) is provided with a jack (2111) communicated with the inner cavity of the shell (21), the gear pulling cover (24) is in threaded connection with the insertion hole (2111), the gear pulling cover (24) penetrates through the insertion hole (2111) to pull and push the gear clamping piece (26), thereby controlling the clip 261 to extend out of or retract into the housing 21 toward the clip opening 2122.

5. The walker of claim 3 wherein: the locking assembly (23) further comprises a connecting cavity shielding cover (27), and the connecting cavity shielding cover (27) is slidably arranged on the rear housing (212) and shields the connecting cavity (2121).

6. The walker of claim 4 wherein: the buckle (261) passes through the buckle opening (2122) and is inserted into the gear clamping opening (13) of the top plate (1) or the bottom wall of the top plate (1) to support the top plate (1), so that the height of the top plate (1) is locked.

7. The walker of claim 1 wherein: the chassis is characterized in that a front connecting portion (71) is arranged on the front portion (7) of the chassis, a rear connecting portion (81) is arranged on the rear portion (8) of the chassis, the front connecting portion (71) is hinged to the rear connecting portion (81), the front portion (7) of the chassis and the rear portion (8) of the chassis form the chassis (5), and the front portion (7) of the chassis and the rear portion (8) of the chassis rotate around the hinged portion as a rotating center.

8. The walker of claim 7 wherein: the second adjusting device (6) comprises a pressing cover (61), a return spring (62), a positioning clamping block (63) and a fixed cover (64), a front connecting cavity (711) is formed in the front connecting portion (71), a first locking hole (712) is formed in the front connecting cavity (711), a pressing column (611) is arranged on the pressing cover (61), the pressing cover (61) is movably arranged in the front connecting cavity (711), the pressing column (611) is aligned with the first locking hole (712), a rear connecting cavity (811) is formed in the rear connecting portion (81), a second locking hole (812) is formed in the rear connecting cavity (811), the clamping block (63) is provided with a clamping column (631), the positioning clamping block (63), the return spring (62) and the fixed cover (64) are arranged in the rear connecting cavity (811), one end of the return spring (62) is abutted against the positioning clamping block (63), and the other end of the return spring (62) is abutted against the fixed cover (64), the return spring (62) forms a return mechanism of the positioning fixture block (63), the return spring (62) pushes the positioning fixture block (63) to move, and the fixture column (631) passes through the second lock hole (812) to be locked with the front part (7) of the chassis.

9. The walker of claim 8 wherein: the first lock hole (712) of the front connecting cavity (711) and the second lock hole (812) of the rear connecting cavity (811) are located on the same horizontal line, and the clamping column (631) sequentially penetrates through the second lock hole (812) and the first lock hole (712), so that the front part (7) of the chassis and the rear part (8) of the chassis are locked.

10. The walker of claim 4 wherein: the front housing (211) is provided with a first connecting post (2112) facilitating rotation of the first support rod (3) and a second connecting post (2113) facilitating rotation of the second support rod (4), the chassis front portion (7) is provided with a third connecting post (72) facilitating rotation of the first support rod (3), and the chassis rear portion (8) is provided with a fourth connecting post (82) facilitating rotation of the second support rod (4).