CN113022682B

CN113022682B - Shopping cart for supermarket

Info

Publication number: CN113022682B
Application number: CN202110464773.5A
Authority: CN
Inventors: 李秀强; 江桦; 郑晓航
Original assignee: Fujian Lianchuang Zhiye Construction Engineering Co ltd
Current assignee: Fujian Lianchuang Zhiye Construction Engineering Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-02-08
Anticipated expiration: 2041-04-28
Also published as: CN113022682A

Abstract

The application discloses a shopping cart for supermarkets, which relates to the technical field of shopping carts and solves the problems that in the process of sequentially moving commodities to a cash register, the whole moving operation is inconvenient, which comprises a vehicle body frame, a rectangular accommodating part is arranged in the vehicle body frame, one end of the long edge of the vehicle body frame is connected with a push handle, the lower part of the vehicle body frame is connected with a supporting leg, one end of the supporting leg, which is far away from the vehicle body frame, is provided with a caster wheel, the bottom of the vehicle body frame is provided with a bearing plate, the bearing plate is provided with an accommodating frame, the bearing plate drives the accommodating frame to move up and down relative to the vehicle body frame, the vehicle body frame is provided with a driving component for driving the bearing plate to lift relative to the vehicle body frame, the bearing plate is connected with a first rotating shaft, the extension direction of the first rotating shaft is consistent with that of the push handle, and the bearing plate is rotatably connected to the first rotating shaft. The shopping cart has the effect of convenience in the commodity checkout process in the shopping cart.

Description

Shopping cart for supermarket

Technical Field

The application relates to the technical field of shopping carts, in particular to a shopping cart for a supermarket.

Background

A shopping cart is a cart used by customers for temporarily storing selected items in a large-sized department store such as a supermarket. It has carries the thing function for the customer can place the article of shopping of choosing inside the shopping cart when shopping, improves the convenience of article transportation process.

The invention patent with the publication number of CN103818421B discloses a supermarket shopping trolley with variable nesting distance, which comprises a handle, a handrail net mounting piece, a handrail net, a basket, an anti-collision piece, a bottom frame, a caster and a buckle; the handle is connected with basket upper end, and the basket upper end is equipped with the crossbeam, and the crossbeam both ends are equipped with handrail net installed part respectively, and handrail net is connected with handrail net installed part, and the chassis passes through the buckle to be connected with the basket, and basket bottom position is located to the anticollision piece, and the chassis includes chassis pipe, preceding even pipe, preceding locating lever, back locating lever, lower connecting rod, connecting plate and truckle mounting panel.

In view of the above-mentioned related technologies, the inventor believes that, in the process of using the shopping cart, after shopping is completed, the commodities in the shopping cart need to be sequentially moved to a cashier's desk, and then the commodities are checked out by scanning the codes by a cashier, so that the overall moving operation is inconvenient in the process of sequentially moving the commodities to the cashier's desk.

Disclosure of Invention

In order to improve convenience in the commodity account settling process in the shopping cart, the shopping cart for the supermarket is provided.

The application provides a shopping cart for supermarket adopts following technical scheme:

the utility model provides a shopping cart for supermarket, includes vehicle body frame, the inside rectangle holding portion that is provided with of vehicle body frame, the long limit of vehicle body frame's one end is connected with and pushes away the handle, vehicle body frame's sub-unit connection has the supporting leg, the one end that vehicle body frame was kept away from to the supporting leg is provided with the truckle, the vehicle body frame bottom is provided with the loading board, the holding frame has been placed on the loading board, the loading board drives the relative vehicle body frame of holding frame and reciprocates, the last drive assembly who is provided with the relative vehicle body frame lift of drive loading board of vehicle body frame, be connected with first pivot on the loading board, the extending direction of first pivot is unanimous with the extending direction who pushes away the handle, loading board swivelling joint is in first pivot.

By adopting the technical scheme, when the shopping cart is used, the accommodating frame and the bearing plate are arranged in the rectangular accommodating part of the cart body frame, when a customer uses the shopping cart, selected commodities are placed in the accommodating frame, then the bearing plate is driven to lift through the driving assembly when the shopping cart moves to the position of the cash desk, the accommodating frame is driven to move towards the upper end of the cart body frame, and the cart body frame plays a guiding role in the vertical moving process of the accommodating frame, so that the accommodating frame can only move up and down in the vertical direction; when the bearing plate drives the accommodating frame to move to the upper end of the vehicle body frame, the overall height of the accommodating frame is consistent with that of the cash register; relative first pivot rotation loading board, because the extending direction of first pivot is unanimous with the extending direction who pushes away the handle, it is rotatory to keeping away from the direction that pushes away the handle with the loading board, make the loading board slope, place the holding frame on loading board upper portion this moment and rotate to keeping away from the direction that pushes away the handle under the drive action of loading board, thereby make the whole slope of holding frame, keep away from the holding frame this moment and push away one side of handle towards cashier's desk, cashier can take out the article in the holding frame conveniently and settle accounts, the operation of taking out the commodity in the shopping cart in proper order has been reduced, consequently, the convenience of commodity in the shopping cart at the in-process of settling accounts has been improved.

Optionally, drive assembly is including connecting the connecting rod at first pivot middle part, drive assembly still includes the branch of being connected with the connecting rod, branch rotates to be connected and is close to the one side that pushes away the handle at automobile body frame, and when branch is rotatory relative automobile body frame, the connecting rod drives the position that the loading board removed to automobile body frame upper end, and the opening has been seted up to the position that the connecting rod wore to establish first pivot.

Through adopting above-mentioned technical scheme, when needs promote the loading board to body frame's upper end, relative body frame rotation branch, branch pivoted in-process downwards drives the connecting rod and upwards rotates, and the connecting rod upwards rotates, realizes the removal of loading board to body frame upper end, because the upper end of loading board is arranged in to the holding frame for the holding frame reciprocates relative body frame under body frame's guide, and the loading board is in the horizontally state, and first pivot takes place the rotation relative to the loading board, realizes that the loading board promotes reciprocating of holding frame relative body frame.

Optionally, the position that branch contact automobile body frame's position is provided with perpendicular to branch and the rotatory second pivot of relative branch, automobile body frame corresponds both ends about the second pivot and is provided with the bracing piece that supplies the installation of second pivot, the second pivot is provided with the ratchet towards one side of bracing piece, ratchet and branch fixed connection, the pawl that is used for injecing the ratchet position is installed to the position that the bracing piece corresponds the ratchet.

Through adopting above-mentioned technical scheme, through the setting of ratchet pawl, when rotatory branch of relative automobile body frame, the ratchet is rotatory at the relative second pivot under the drive of branch, and when branch rotated to certain inclination, the pawl was locked the ratchet for branch only can carry out single rotation, when needs reverse rotation branch, removes the restriction of ratchet with the pawl, makes the position playback of branch.

Optionally, a locking rod parallel to the pushing handle is arranged on one side, away from the pushing handle, of the vehicle body frame, a rectangular plate with a rectangular vertical cross section is arranged at a position between two adjacent vertical side walls of the locking rod, positioning grooves are formed in the left side and the right side of the rectangular plate in the length direction, facing one side of the supporting leg, of the rectangular plate, and retaining rings buckled with the positioning grooves are arranged at positions, corresponding to the rectangular plate, of the bottom of the accommodating frame.

By adopting the technical scheme, through the arrangement of the retaining ring and the locking rod, when the accommodating frame moves to the position of the locking rod, the position of the accommodating frame is limited by buckling the retaining ring and the locking rod, so that the accommodating frame does not depart from the vehicle body frame.

Optionally, the locking rod rotates relative to the vehicle body frame, the locking rod moves along the length direction of the locking rod relative to the vehicle body frame, the left end and the right end of the locking rod in the length direction are provided with limiting blocks, the rectangular plate is provided with blocking blocks at positions of the positioning grooves, and when the retaining ring corresponds to the positioning grooves, accommodating grooves for accommodating the blocking blocks are formed in positions of the retaining ring corresponding to the blocking blocks.

By adopting the technical scheme, after the retaining ring and the locking rod are positioned, the locking rod moves along the length direction of the locking rod, so that the blocking block slides to enter the accommodating groove, at the moment, the locking rod rotates relative to the vehicle body frame, the locking rod drives the accommodating frame to rotate towards one side close to the locking rod, the accommodating frame presents a certain inclination angle, and the goods inside the accommodating frame can be conveniently taken out.

Optionally, the one end of blockking that the piece is provided with towards the storage tank inclines the guide face that upwards sets up from the side of keeping away from the positioning tank bottom to the side that is close to the positioning tank bottom, the pot head that the guide face was kept away from to the rectangular plate is equipped with first spring, the both ends of first spring butt respectively in the lateral wall of rectangular plate and automobile body frame.

Through adopting above-mentioned technical scheme, when the buckle to the position that is close to the locking lever removal, the buckle contact blocks the guide face of piece, and later the buckle lasts the in-process that upwards removes, will block the piece and promote to the direction of keeping away from the buckle, extrudees first spring simultaneously, and when blocking the piece and corresponding with the storage tank, first spring diastole will block the piece and promote to the storage tank is inside to it is fixed to realize blocking the quick closure between piece and the storage tank.

Optionally, limiting plates are arranged at two ends of the first rotating shaft, a blocking strip used for abutting against the limiting plate is arranged at a position, close to the upper end of the rectangular accommodating part, of the vehicle body frame, a plurality of bayonets which are uniformly distributed in the circumferential direction are formed in one ends, close to the pushing handles, of the limiting plates, the rotating centers of the bayonets coincide with the rotating center of the first rotating shaft, and a clamping plate moving towards or away from the bayonets is arranged at one end, close to the bayonets, of the bearing plate.

Through adopting above-mentioned technical scheme, when the loading board removed to body frame's upper portion, the lateral wall contact blend stop of limiting plate, at this moment, rotated the loading board for the loading board inclines to required inclination, then pegs graft the cooperation with cardboard and bayonet socket, realizes fixing loading board inclination.

Optionally, the limiting plate is rotatably connected to the first rotating shaft, a guide rod is connected to one end, away from the bayonet, of the limiting plate, and a guide groove for the guide rod to slide is formed in the vehicle body frame.

Through adopting above-mentioned technical scheme, through the setting of guide bar and guide way, be convenient for realize when the loading board removes to automobile body frame's upper end, the guide bar slides in the guide way, is convenient for fix a position the orientation of limiting plate.

In summary, the present application includes at least one of the following benefits:

1. when the shopping cart moves to the position of the cash register table, the bearing plate is driven to lift through the driving assembly to drive the accommodating frame to move towards the upper end of the cart body frame, and the cart body frame plays a guiding role in the vertical moving process of the accommodating frame, so that the accommodating frame can only move vertically in the vertical direction; when the bearing plate drives the accommodating frame to move to the upper end of the vehicle body frame, the overall height of the accommodating frame is consistent with that of the cash register; the bearing plate is rotated relative to the first rotating shaft, the extending direction of the first rotating shaft is consistent with the extending direction of the push handle, the bearing plate is rotated towards the direction far away from the push handle, so that the bearing plate is inclined, the accommodating frame arranged on the upper portion of the bearing plate is rotated towards the direction far away from the push handle under the driving action of the bearing plate, so that the accommodating frame is integrally inclined, one side, far away from the push handle, of the accommodating frame faces a cash desk, a cashier can conveniently take out articles in the accommodating frame for settlement, the operation of sequentially taking out commodities in the shopping cart is reduced, and the convenience of the commodities in the shopping cart in the settlement process is improved;

2. when the loading board removed to body frame's upper portion, the lateral wall contact blend stop of limiting plate, at this moment, rotated the loading board for the loading board inclines to required inclination, then pegs graft the cooperation with cardboard and bayonet socket, realizes fixed to loading board inclination.

Drawings

Fig. 1 is a schematic view illustrating a storage state of the accommodating frame according to the present embodiment;

FIG. 2 is a schematic structural diagram illustrating a structure of the load-bearing plate of the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic structural diagram illustrating a locking lever structure according to an embodiment;

FIG. 5 is a schematic view showing the accommodating frame moved to the upper end of the body frame;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

FIG. 7 is a schematic diagram illustrating a state of the accommodating frame in an inverted state according to the present embodiment;

fig. 8 is an enlarged schematic view at C in fig. 7.

Description of reference numerals: 1. a vehicle body frame; 11. a rectangular receptacle; 12. a push handle; 13. supporting legs; 14. a caster wheel; 15. a support bar; 16. a mounting seat; 17. blocking strips; 18. a guide groove; 2. an accommodating frame; 21. a retaining ring; 211. a containing groove; 3. a carrier plate; 31. an opening; 32. a chute; 4. a first rotating shaft; 5. a drive assembly; 51. a connecting rod; 52. a strut; 521. an operating lever; 6. a second rotating shaft; 7. a ratchet wheel; 8. a pawl; 9. a locking lever; 91. a rubber pad; 92. a rectangular plate; 93. positioning a groove; 94. a limiting block; 95. a blocking block; 951. a guide surface; 10. a first spring; 19. a limiting plate; 191. a bayonet; 20. clamping a plate; 22. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a shopping cart for a supermarket. Referring to fig. 1, a shopping cart for supermarket includes body frame 1, body frame 1 wholly is the rectangle form, body frame 1 is inside to be formed with rectangle holding portion 11, it has holding frame 2 to reciprocate in the rectangle holding portion 11, one side fixedly connected with of body frame 1 width direction pushes away handle 12, body frame 1's lower extreme is connected with supporting leg 13, body frame 1's one end swivelling joint has truckle 14 is kept away from to supporting leg 13, in the use, the commodity of selecting purchasing is placed inside holding frame 2, promote the shopping cart through pushing away handle 12, and simultaneously, realize the holistic removal of shopping cart through truckle 14.

Referring to fig. 2, a bearing plate 3 is placed at the bottom of the car body frame 1, the bearing plate 3 moves up and down relative to the car body frame 1, a first rotating shaft 4 penetrates through the middle of the bearing plate 3, the extending direction of the first rotating shaft 4 is consistent with the extending direction of the push handle 12, and when the first rotating shaft 4 is connected with the bearing plate 3, the bearing plate 3 is rotatably connected onto the first rotating shaft 4. Be provided with drive assembly 5 that drive loading board 3 reciprocated relative to body frame 1 on body frame 1, drive assembly 5 include with first pivot 4 be connected connecting rod 51 and with connecting rod 51 fixed connection's branch 52, branch 52 rotates and connects on body frame 1, connecting rod 51 is perpendicular and is connected with the middle part of first pivot 4 with first pivot 4's axis, loading board 3 corresponds the opening 31 that supplies connecting rod 51 holding in the position of connecting rod 51.

Referring to fig. 1 and 2, a second rotating shaft 6 is inserted into a position where the strut 52 contacts the vehicle body frame 1, two ends of the vehicle body frame 1 corresponding to the second rotating shaft 6 are welded with support rods 15 for fixing two ends of the second rotating shaft 6, one end of the strut 52 extends to the outside of the vehicle body frame 1, one end of the strut 52 extending to the outside of the vehicle body frame 1 is connected with an operating rod 521 perpendicular to the strut 52, and the extending direction of the operating rod 521 is consistent with the extending direction of the push handle 12. The angle between the connecting rod 51 and the strut 52 is greater than 90 degrees, so that the end of the strut 52 disposed outside the vehicle body frame 1 extends to the outside of the vehicle body frame 1. When the supporting rod 52 is rotated relative to the second rotating shaft 6, the connecting rod 51 drives the first rotating shaft 4 to move to the position of the upper end of the vehicle body frame 1, at this time, the first rotating shaft 4 and the bearing plate 3 rotate, and in the process of upward movement of the bearing plate 3, the accommodating frame 2 placed on the upper portion of the bearing plate 3 moves to the position of the upper end of the vehicle body frame 1.

Referring to fig. 2 and 3, the ratchet wheel 7 is welded on one side of the second rotating shaft 6 facing one of the support rods 15, the axis of the ratchet wheel 7 coincides with the axis of the second rotating shaft 6, the pawl 8 is installed on the support rod 15 corresponding to the position of the ratchet wheel 7, the pawl 8 is rotatably connected to the support rod 15, and when the pawl 8 is in a vertically downward state under the action of gravity, the pawl 8 is clamped with the ratchet wheel 7, so that the rotation position of the ratchet wheel 7 is fixed. Through the arrangement of the ratchet 7 and the pawl 8 locking structure, after the support rod 52 rotates downwards to a designated height, after the support rod 52 is released, the pawl 8 is clamped to the position of the ratchet 7, so that the position of the support rod 52 is fixed.

Referring to fig. 4 and 5, a locking rod 9 is disposed at one end of the vehicle body frame 1 away from the push handle 12, mounting seats 16 for rotatably connecting the locking rod 9 are disposed at two ends of the vehicle body frame 1 corresponding to the locking rod 9, the locking rod 9 is rotatably connected to the mounting seats 16, rubber pads 91 are sleeved at positions of the locking rod 9 corresponding to the mounting seats 16, and the locking rod 9 does not rotate relative to the mounting seats 16 under the absence of external force. The locking lever 9 is provided with a rectangular plate 92 with a rectangular vertical section at a position between the two vertical side walls, one side of the rectangular plate 92 facing the supporting leg 13 is provided with positioning grooves 93 extending along the length direction of the rectangular plate 92, and the positioning grooves 93 are symmetrically arranged at the left side and the right side of the rectangular plate 92. The retaining ring 21 for locking the positioning groove 93 is arranged on one side of the bottom of the accommodating frame 2 corresponding to the locking rod 9, and when the bearing plate 3 pushes the accommodating frame 2 to move to the position where the retaining ring 21 locks the positioning groove 93, the accommodating frame 2 does not move upwards relative to the vehicle body frame 1, so that the limiting effect of the locking rod 9 on the accommodating frame 2 is realized. Three retaining rings 21 are welded along the width direction of the accommodating frame 2 at regular intervals.

Referring to fig. 5 and 6, the locking rod 9 moves along the length direction of the locking rod 9, and the two ends of the locking rod 9, which are located outside the mounting seat 16, are welded with the limiting blocks 94, so that the locking rod 9 can move a certain distance relative to the mounting seat 16 and the locking rod 9 does not separate from the mounting seat 16. Three stop blocks 95 are fixedly bonded on the rectangular plate 92, and the distance between the adjacent stop blocks 95 is consistent with the distance between the adjacent retaining rings 21. The stop block 95 is installed on one side of the rectangular plate 92 close to the supporting leg 13, and the stop block 95 is provided with a guide surface 951 which is inclined and upwards arranged from one end far away from the bottom of the positioning groove 93 to one end of the bottom of the positioning groove 93. When the retaining ring 21 is completely engaged with the positioning groove 93, the retaining ring 21 is provided with a receiving groove 211 for the blocking block 95 to be inserted into at a position corresponding to the blocking block 95. When the retaining ring 21 moves upwards, the side wall of the retaining ring 21 is attached to the guide surface 951, and in the process that the retaining ring 21 continuously moves upwards along the guide surface 951, the locking rod 9 is pushed to move towards the direction away from the retaining ring 21, and after the blocking block 95 corresponds to the position of the accommodating groove 211, the locking rod 9 is pushed to accommodate the blocking block 95 in the accommodating groove 211, so that the locking between the accommodating frame 2 and the locking rod 9 is realized.

Referring to fig. 4 and 6, in order to improve the convenience of locking between the retaining ring 21 and the locking lever 9, one end of the locking lever 9 away from the guide surface 951 is sleeved with the first spring 10, and two ends of the first spring 10 respectively abut against the rectangular plate 92 and the side wall of the mounting seat 16, so that when the first spring 10 is in a natural relaxation state, the first spring 10 drives the locking lever 9 to move toward the direction close to the receiving groove 211.

Referring to fig. 7 and 8, two ends of the first rotating shaft 4 are rotatably connected with limiting plates 19, one side of each limiting plate 19, which is far away from the push handle 12, is connected with a guide rod 22, which extends towards one side, which is far away from the push handle 12, the position of the car body frame 1, which corresponds to the guide rod 22, is provided with a guide groove 18 for the guide rod 22 to slide, and when the first rotating shaft 4 moves up and down relative to the car body frame 1, the guide rod 22 drives the limiting plates 19 to lift in the vertical direction. The upper portion welding of automobile body frame 1 has blend stop 17, and the lateral wall butt of limiting plate 19 is in blend stop 17 to the realization is to the location of holding frame 2 position.

Referring to fig. 7 and 8, a plurality of circumferentially uniformly distributed bayonets 191 are formed on one side of the stopper plate 19 facing the push handle 12, and the axes of the plurality of bayonets 191 coincide with the axis of the first rotating shaft 4. The loading board 3 is close to the spout 32 that extends along the length direction of loading board 3 is seted up to the one side that pushes away 12, and the spout 32 extends to the position that is close to limiting plate 19, and the inside sliding connection of spout 32 has cardboard 20. When the bearing plate 3 rotates to the state of supporting the accommodating frame 2, the clamping plate 20 slides to the inside of the corresponding bayonet 191, so that the inclination angle of the bearing plate 3 is fixed.

The implementation principle of the shopping cart for the supermarket in the embodiment of the application is as follows:

when the supermarket shopping cart is used, selected commodities are placed in the accommodating frame 2, when account needs to be settled, the support rod 52 is pulled to one side close to the support legs 13, when the retaining ring 21 is buckled with the locking rod 9, the blocking block 95 is locked with the accommodating groove 211, and when the accommodating frame 2 moves to the upper end portion of the cart body frame 1, the accommodating frame 2 moves to the position of the height of the cash register table. Then, the accommodating frame 2 is turned to the side away from the push handle 12, the accommodating frame 2 is driven by the locking rod 9 to rotate relative to the mounting seat 16, when the accommodating frame 2 rotates to the upper end toward the cash desk, the bearing plate 3 rotates relative to the first rotating shaft 4, and when one end of the bearing plate 3 abuts against the bottom of the accommodating frame 2, the clamping plate 20 moves towards the bayonet 191, so that the fixing of the rotating position of the bearing plate 3 is realized.

After the settlement of the articles in the accommodating frame 2 is completed, the clamping plate 20 is separated from the bayonet 191, so that the bearing plate 3 rotates to a horizontal state, the locking rod 9 is pulled to extrude the first spring 10, the blocking block 95 is separated from the accommodating groove 211, then the pawl 8 is pulled, the ratchet wheel 7 is unlocked by the pawl 8, the support rod 52 rotates anticlockwise, the bearing plate 3 is driven to move towards the bottom close to the car body frame 1, the position of the accommodating frame 2 is restored, the complexity of the customer in the process of sequentially moving the articles in the accommodating frame 2 to the cash register table is reduced, and the convenience in the settlement process of the articles in the shopping cart is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a shopping cart for supermarket, includes body frame (1), body frame (1) inside is provided with rectangle holding portion (11), the one end on the long limit of body frame (1) is connected with pushes away handle (12), the sub-unit connection of body frame (1) has supporting leg (13), the one end that body frame (1) was kept away from in supporting leg (13) is provided with truckle (14), its characterized in that: the automobile body frame is characterized in that a bearing plate (3) is arranged at the bottom of the automobile body frame (1), a containing frame (2) is placed on the bearing plate (3), the bearing plate (3) drives the containing frame (2) to move up and down relative to the automobile body frame (1), a driving assembly (5) for driving the bearing plate (3) to lift up and down relative to the automobile body frame (1) is arranged on the automobile body frame (1), a first rotating shaft (4) is connected onto the bearing plate (3), the extending direction of the first rotating shaft (4) is consistent with the extending direction of a push handle (12), the bearing plate (3) is rotatably connected onto the first rotating shaft (4), a locking rod (9) parallel to the push handle (12) is arranged on one side of the automobile body frame (1) far away from the push handle (12), and a rectangular plate (92) with a rectangular vertical section is arranged at a position, between two adjacent vertical side walls, of the locking rod (9), the left side and the right side of the rectangular plate (92) facing the length direction of one side of the supporting leg (13) are provided with positioning grooves (93), the position, corresponding to the rectangular plate (92), of the bottom of the containing frame (2) is provided with a buckle ring (21) buckled on the positioning grooves (93), the locking rod (9) rotates relative to the car body frame (1), the locking rod (9) moves along the length direction of the locking rod (9) relative to the car body frame (1), limiting blocks (94) are arranged at the left end and the right end of the locking rod (9) in the length direction, blocking blocks (95) are arranged on the rectangular plate (92) in the positioning grooves (93), and when the buckle ring (21) corresponds to the positioning grooves (93), a containing groove (211) for containing the blocking blocks (95) is formed in the position, corresponding to the blocking blocks (95), of the buckle ring (21).

2. A supermarket shopping cart according to claim 1, characterized in that: drive assembly (5) is including connecting rod (51) at first pivot (4) middle part, drive assembly (5) still includes branch (52) of being connected with connecting rod (51), branch (52) rotate to be connected and are close to the one side that pushes away handle (12) in body frame (1), and when branch (52) is rotatory relative body frame (1), connecting rod (51) drive loading board (3) and remove the position to body frame (1) upper end, and opening (31) have been seted up to the position of wearing to establish first pivot (4) in connecting rod (51).

3. A supermarket shopping cart according to claim 2, characterized in that: the position that branch (52) contact automobile body frame (1) is provided with perpendicular to branch (52) and relative branch (52) rotatory second pivot (6), automobile body frame (1) corresponds about second pivot (6) both ends and is provided with bracing piece (15) that supply second pivot (6) to install, second pivot (6) are provided with ratchet (7) towards one side of bracing piece (15), ratchet (7) and branch (52) fixed connection, pawl (8) that are used for injecing ratchet (7) position are installed to the position that bracing piece (15) correspond ratchet (7).

4. A supermarket shopping cart according to claim 1, characterized in that: stop block (95) and be provided with guide face (951) that upwards set up from one side of keeping away from constant head tank (93) bottom to the one side slope that is close to constant head tank (93) bottom towards the one end of storage tank (211), the pot head that guide face (951) was kept away from in rectangular plate (92) is equipped with first spring (10), the both ends of first spring (10) butt respectively in the lateral wall of rectangular plate (92) and automobile body frame (1).

5. A supermarket shopping cart according to claim 1, characterized in that: first pivot (4) both ends are provided with limiting plate (19), body frame (1) is close to the position of rectangle holding portion (11) upper end and is provided with blend stop (17) that are used for butt limiting plate (19), limiting plate (19) are close to the bayonet socket (191) of seting up a plurality of circumference evenly distributed to the one end that pushes away (12), the rotation center of bayonet socket (191) and the rotation center coincidence of first pivot (4), the one end that loading board (3) are close to bayonet socket (191) is provided with towards or keeps away from cardboard (20) that bayonet socket (191) removed.

6. A supermarket shopping cart according to claim 5, characterized in that: limiting plate (19) swivelling joint is on first pivot (4), the one end that bayonet socket (191) were kept away from in limiting plate (19) is connected with guide arm (22), set up on body frame (1) and supply guide arm (22) guide way (18) that slide.