CN209208790U - A kind of Multifunctional shopping trolley - Google Patents

Abstract

A kind of Multifunctional shopping trolley, belongs to household items technical field.Hook, stainless steel spacer screen, connector are used including frame assembly, the mute wheel assembly of stainless steel climbing, cloth bag assembly, folded metal basket, basket handle, wire basket bolt, wire basket card slot, three；Connector includes right-angle connector, straight line connector, shelf connector and basket base connector；Folded metal basket can be connected by the dismounting plug at the basket back side with the dismounting slot of two vertical bars of shelf, and basket bottom is connected with the Rapid fastener of bottom shelf, be connected by three with hook at the top of basket with whippletree among shelf；Cloth bag assembly can be by three with linking up in vehicle frame iron wire cross bar, and two vertical bars of vehicle frame are fixed on using velcro in back, and cloth bag bottom is put in vehicle frame base, realize the fixation of cloth bag and vehicle frame.

Description

A kind of Multifunctional shopping trolley

Technical field

The utility model patent is related to a kind of Multifunctional shopping trolley, belongs to household items technical field.

Background technique

In response to national energy conservation and emission reduction and the call of environmental protection, China largely eliminates free disposable plastic Bag, consumer need to buy polybag at one's own expense, in this context, many consumers are conscious to provide for oneself in shopping Shopping bag, shopping basket, positive performs the call of environmental protection.But the shopping bag or shopping basket provided for oneself, disappeared after shopping Expense person causes the burden of physical strength；And also occur the shopping cart of some styles currently on the market, but have a single function, have There was only cloth-bag type shopping cart on a little trolleys, some are the shopping carts for only having wire basket, need to buy when consumer's shopping It mixes to put together when dried food and nuts product and aquatic products and be not suitable for, bring many inconvenience to consumer.

Summary of the invention

For overcome the deficiencies in the prior art, the utility model provides a kind of Multifunctional shopping trolley.

A kind of Multifunctional shopping trolley, including the mute building climbing wheel assembly of frame assembly, stainless steel, cloth bag assembly, folding Wire basket, basket handle, wire basket dismounting plug, wire basket dismounting slot, three use hook, iron wire pedestal, connector；Connector Including right-angle connector, straight line connector, shelf connector and basket base connector；

The dismounting plug that folded metal basket can lead to the basket back side is connected with the dismounting slot of two vertical bars of shelf, basket Bottom is connected with the Rapid fastener of bottom shelf, is connected by three with hook at the top of basket with whippletree among shelf；

Cloth bag assembly can be by three with linking up in vehicle frame iron wire cross bar, and back is fixed on vehicle frame two using velcro and is erected Bar, cloth bag bottom are put in vehicle frame base, realize the fixation of cloth bag and vehicle frame；

It is fixed after the mute building climbing wheel assembly of stainless steel can pass through the bearing of the mute building climbing wheel of stainless steel by vehicle frame iron staff In wheel elastic card buckle；

Folded metal basket includes front column, back column, left side column, right side column and bottom surface column totally 5 faces and 2 handles, Between by connecting the connector composition in each joint, before column, back column, left side column and right side column become the frame at right angle each other Son；5 faces and 2 handles can be realized by the connector in each joint and be folded simultaneously；

Bottom surface column is iron wire pedestal, and the two sides of the rotating bar on bottom surface column are connect with the bottom bar two sides on column below respectively, It can open and shut using the two sides of rotating bar as fulcrum after the installation of bottom surface column, be sticked on after unlatching in behind folded metal basket Side, the size for shutting rear iron wire pedestal can just prop up folded metal basket,

Left side column is identical as right side column structure, and the mandril on left side column is connect by connector with wire basket handle, mandril and Hole is distributed in bottom bar, and connection straight-bar is simultaneously fixed at both ends in hole, and one end of mandril is connect by right-angle connector with column mandril below, The other end of mandril is connect by right-angle connector with the left mandril on front column, and the bottom bar one end on left side column passes through right-angle connector It is connect with column bottom bar below, the bottom bar other end on left side column is connect by right-angle connector with the left bottom bar on front column；

The lower part connected slot connector of the top connected slot connector of the side straight-bar on left side column, side straight-bar, it is left The lower part connected slot connector of the top connection other side straight-bar of the other side straight-bar on face column；The left mandril on front column passes through straight Wire connections are connect with right mandril, before the left bottom bar on column connect with right bottom bar by straight line connector, left mandril and right mandril It is separately connected hook；The connection structure on right side column and front column and back column is the connection with left side column and front column and back column Structure is identical；

The structure of shelf metal connecting piece: shelf metal connecting piece is used to be connected and fixed two square tubes of vehicle frame base, frame Sub- metal connecting piece has middle part pipeline and is connected to the triangle part of middle part pipeline two sides；The triangle part of side has upper hole, upper punching Indentation slot, lower stamped recess and bottom hole, the triangle part of the other side have upper hole, upper stamped recess, lower stamped recess and lower part Hole, the upper hole and bottom hole of shelf metal connecting piece are capable of fixing the round tube of vehicle frame, pipe are enable to fold；The side of upper hole While there is upper stamped recess, there is lower stamped recess beside bottom hole, hole stamped recess includes upper stamped recess and lower stamped recess, Hole stamped recess can just block the pipe after opening in place, and pipe is made not fall out displacement；In upper hole and bottom hole Between have a folding platform, for supporting lateral pipe；

The dismounting plug of fixed fold wire basket and vehicle frame dismounts slot connectors structure: dismounting plug can be pacified with rivet Dress is fixed on two vertical bars of folded metal basket, and dismounting slot can be mounted on two vertical bars of vehicle frame with rivet；It tears open Plug and dismounting slot are the trade shape for sliding not deviate from but that can cooperate, and dismounting slot both direction can insert Enter and dismount plug, but can pass through completely on one side, there is barrier, dismounting plug and dismounting slot Bian Shangyou chamfering on one side.

Wire basket handle is fixed on the top on left side column, right side column, wire basket handle by the fixing seat of handle connecting piece It can be rotated and be folded by handle connecting piece；The fixing seat of handle connecting piece has hole, and rotating member has hole, connecting pin in hole Axis, rotating member have connector, and connector is connect with wire basket handle.

The fast fastening clamp button of shelf base and basket pedestal: fast fastening clamp is buckled with fixing card Button Block and fixed card buckle, Fixing card Button Block has a hole, and fixing card is buckled with hole, and fastener spanner has preceding hole and a metapore, in the socket of fixing card Button Block and fixed card buckle There is fastener spanner, the preceding hole of fastener spanner is connect by the second snap pin with fixed card buckle, and the metapore of fastener spanner passes through first Snap pin is connect with fixing card Button Block, and fixing card Button Block is fixed on the cross bar middle position of vehicle frame base with rivet, golden when folding After category basket is mounted on vehicle frame, fixed card buckle can catch on basket iron wire pedestal and basket front bottom cross bar, press buckle and pull It is capable of fixing folded metal basket and vehicle frame base again while being capable of fixing basket iron wire pedestal and basket after hand.

The structure of iron wire pedestal: bottom surface column be iron wire spacer screen, the two sides of the rotating bar on bottom surface column respectively with column below Bottom bar two sides connection, bottom surface column installation after can using the two sides of rotating bar be fulcrum unlatching and shut, the Z-shaped of iron wire pedestal Type shape bar, the right and left of the L structural poles of iron wire pedestal are to be converted into L structure upwards.

Three can be hung on vehicle frame with one side of hook, and three can be hung on folded metal basket with the another side linked up with and cloth bag is total At；Cloth bag assembly connects velcro, and velcro includes the first velcro, the second velcro, third velcro, the 4th velcro, The side marsupial of cloth bag assembly connects.

The structure of the mute building climbing wheel of stainless steel: upper stainless steel three-legged support shell, lower stainless steel three-legged support shell and modeling Material three-legged support inner core is trilobal cross structure, upper stainless steel three-legged support shell, lower stainless steel three-legged support shell and plastics three There are mesoporous, the upper stainless steel three-legged support shell and lower stainless steel three-legged support of the mute building climbing wheel of stainless steel in the middle part of foot support inner core Plastics three-legged support inner core is connected with fixation hole by rivet between shell, rivet includes the first rivet, the second rivet and third Connecting bolt axis in the mesoporous of rivet, upper stainless steel three-legged support shell and plastics three-legged support inner core, circlip are buckled in bolt axle On, the mesoporous of plastics three-legged support inner core connects bearing, there is the first wheel bore, the second wheel bore and the at the top of three leaves of trilobal cross structure Three wheel bore, the first runner, the first spring, the first Upper gasket, the first lower gasket and the first runner shaft pin bank are at the first light-emitting window, and Two runners, second spring, the second Upper gasket, the second lower gasket and the second runner shaft pin bank are at the second light-emitting window, third runner, Three springs, third Upper gasket, third lower gasket and third runner shaft pin bank pass through first turn at third light-emitting window, the first light-emitting window Axle pin is connect with the first wheel bore, and the second light-emitting window is connect by the first runner pivot pin with the second wheel bore, and light-emitting window passes through on the First runner pivot pin is connect with third wheel bore.

The right-angle connector structure of folded metal basket: under right-angle connector of the right-angle connector by two outer image letter b Part and right-angle connector piece uploading composition, including waveform spring gasket and fixing rivet, right-angle connector lower part and right-angle connector The interstitial hole of piece uploading is rivet fixation hole, has lower-left half-turn groove and bottom right half-turn recessed in the circular end face of right-angle connector lower part Slot has upper left half-turn groove and upper right half-turn groove, lower-left half-turn groove, bottom right half in the circular end face of right-angle connector piece uploading The slope inside grooves Bian Shangyou of groove, upper left half-turn groove and upper right half-turn groove is enclosed, dot is smooth when convenient for folding Pass through, the first salient point and the first shrinkage pool, the round nose of right-angle connector piece uploading are distributed in the circular end face of right-angle connector lower part The second salient point and the second shrinkage pool are distributed on face, the first salient point matches relatively with the second shrinkage pool, and the second salient point is matched with the first shrinkage pool Relatively；

Right-angle connector lower part has a lower part confined planes, and right-angle connector piece uploading has a piece uploading confined planes, lower part confined planes and straight The straight-bar bottom surface of angle connector lower part forms 45 degree, and piece uploading confined planes and the straight-bar bottom surface of right-angle connector piece uploading form 45 degree, After lower part confined planes and piece uploading limit face contact, right-angle connector lower part and right-angle connector piece uploading form right angle, lower part limit Face rotate right-angle connector lower part and right-angle connector piece uploading can only within 90 degree with piece uploading confined planes；

Arc groove in right-angle connector lower part and right-angle connector piece uploading can rotate within 90 degree；When firmly turn After follower link makes corrugated gasket deformation, right-angle connector lower part and right-angle connector piece uploading form right angle, salient point and concave point energy It is enough to block mutually.

The straight line connecting-piece structure of folded metal basket: straight line connector includes on straight line connector lower part and straight line connector Part, straight line connector is identical as the structure of right-angle connector, difference are as follows: lower part confined planes are straight with straight line connector lower part Bar bottom surface is parallel, and piece uploading confined planes are parallel with the straight-bar bottom surface of straight line connector piece uploading；Straight line connector lower part is connect with straight line Part piece uploading is connected by rivet and corrugated gasket；The lower part confined planes and piece uploading confined planes of straight line connector position limiting structure make straight line Connector can only rotate within 180 degree；Arc groove in straight line connector can make angular rotational position not in 180 degree It can rotate；After firmly rotating connector makes corrugated gasket deformation, right-angle connector is 180 degree, and salient point and concave point can be mutual Mutually block.

The utility model has the advantages that having cloth bag and folded metal basket interchange structure, the purchase of the majority of consumers' difference is met The demand of object.

Detailed description of the invention

When considered in conjunction with the accompanying drawings, by referring to following detailed description, it can more completely more fully understand that this is practical new Type and being easy learns many adjoint advantages, but attached drawing described herein is used to provide to the utility model into one Step understands, constitutes a part of the utility model, and the illustrative embodiments and their description of the utility model are practical for explaining It is novel, it does not constitute improper limits to the present invention, such as schemes wherein:

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the mute building climbing wheel assembly structure schematic diagram of knot stainless steel of the utility model.

Fig. 3 is the iron wire schematic diagram of base structure of the utility model.

Fig. 4 is the cloth bag assembly structure schematic diagram of the utility model.

Fig. 5 is the folded metal basket structural schematic diagram of the utility model.

Fig. 6 is that the dismounting plug of the utility model dismounts slot connectors structural schematic diagram.

Fig. 7 is the shelf metal connecting piece structural schematic diagram of the utility model.

Fig. 8 is the basket and pedestal connection buckle structural schematic diagram of the utility model.

Fig. 9 is the handgrips schematic diagram of the utility model.

Figure 10 is the right-angle connector structural schematic diagram of the utility model.

Figure 11 is the straight line connecting-piece structure schematic diagram of the utility model.

Figure 12 is the foldable structure schematic diagram of the utility model.

The present invention will be further described with reference to the accompanying drawings and examples.

Specific embodiment

Obviously, those skilled in the art are belonged to originally practical based on many modifications and variations that the objective of the utility model is done Novel protection scope.

Obviously, those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, "one", " described " and "the" may also comprise plural form.It is to be further understood that making in the specification of the utility model Wording " comprising " refers to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of Or add other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when claiming When element, component are "connected" to another element, component, it can be directly connected to other elements perhaps component or can also With there are intermediary element or components.Wording "and/or" used herein includes one or more associated listing item Any cell and all combination.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the de-scription, the meaning of " plurality " is two or more, unless otherwise Clear specific restriction.

Unless otherwise clearly defined and limited, the terms such as term " installation ", " connected ", " connection ", " fixation " should be done extensively Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；It can be mechanical connection, It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary It is logical.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term) there is meaning identical with the general understanding of the those of ordinary skill in fields.

For convenient for the understanding to embodiment, below in conjunction with being further explained explanation, and each embodiment not structure The restriction of pairs of utility model embodiment.

Embodiment 1: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, one Kind Multifunctional shopping trolley, comprising: the mute building climbing wheel assembly 1 of frame assembly 2, stainless steel, cloth bag assembly 3, folded metal basket 4, basket handle 52, wire basket dismounting plug, wire basket dismounting slot, shelf metal connecting piece, basket base connector, three use Hook, iron wire pedestal, right-angle connector, straight line connector.

The type of protection three folds dismounting and the fixed structure for vehicle of buying vegetables.Frame assembly 2, stainless steel climb mute wheel assembly 1, 4 cloth bag assembly 3, folded metal basket components.

Each component easily can split and assemble.

The dismounting plug that folded metal basket 4 can lead to the basket back side is connected with the dismounting slot of two vertical bars of shelf, basket Bottom is connected with the Rapid fastener of bottom shelf, is connected by three with hook at the top of basket with whippletree among shelf and is played admittedly Determine basket and vehicle frame pole acts on.

Cloth bag assembly 3 can be by three with linking up in vehicle frame iron wire cross bar, and back is fixed on vehicle frame two using velcro and is erected Bar, cloth bag bottom are put in vehicle frame base, realize the fixation of cloth bag and vehicle frame.

It is fixed after the mute building climbing wheel assembly 1 of stainless steel can pass through the bearing of the mute building climbing wheel of stainless steel by vehicle frame iron staff In wheel elastic card buckle.

Folded metal basket 4 includes front column, behind column, left side column, right side column, bottom surface column totally 5 faces and 2 handles, Between by connecting the connector composition in each joint, before column, back column, left side column and right side column become the frame at right angle each other Son.5 faces and 2 handles can be realized by the connector in each joint and be folded simultaneously.

Bottom surface column is iron wire pedestal, and the two sides of the rotating bar 301 on bottom surface column connect with the bottom bar two sides on column below respectively It connects, freely can open and shut using the two sides of rotating bar 301 as fulcrum after the installation of bottom surface column, folding gold is sticked on after unlatching 4 faces of folded metal basket 4 can just be propped up by belonging to inside, the size for shutting rear iron wire pedestal behind basket 4, played and further added Gu the effect of 4 square structure of folded metal basket.

Left side column is identical as right side column structure, and the mandril 51 on left side column is connect by connector 55 with wire basket handle 52, Hole is distributed in mandril 51 and bottom bar 54, and connection straight-bar 53 is simultaneously fixed at both ends in hole, and one end of mandril 51 passes through right-angle connector 64 It is connect with column mandril below, the other end of mandril 51 is connect by right-angle connector 201 with the left mandril 59 on front column, left side column 54 one end of bottom bar connect with column bottom bar below by right-angle connector 203,54 other end of bottom bar on left side column passes through right angle company Fitting 63 is connect with the left bottom bar 61 on front column.

The lower part connection of top connection the dismounting plug 56, side straight-bar 53 of the side straight-bar 53 on left side column dismounts plug 204, the lower part connection dismounting plug 202 of the top connection other side straight-bar 53 of the other side straight-bar 53 on left side column.

The left mandril 59 on front column connect by straight line connector 58 with right mandril 57, before the left bottom bar 61 on column pass through directly Wire connections 62 are connect with right bottom bar 60, and left mandril 59 and right mandril 57 are separately connected hook 200.

The connection structure on right side column and front column and back column is the connection structure with left side column and front column and back column It is identical.

As shown in figure 9, wire basket handle 52 is fixed on the top on left side column, right side column by the fixing seat 90 of handle connecting piece Portion, wire basket handle 52 can be rotated and be folded by handle connecting piece.The fixing seat 90 of handle connecting piece has hole, rotating member 91 have hole, connect pin shaft 89 in hole, rotating member 91 has connector, and connector is connect with wire basket handle 52.

Right-angle connector (right-angle connector 64, right-angle connector 201, right-angle connector 63 and the right angle of folded metal basket 4 Connector 203) structure: right-angle connector by two outer image letter b right-angle connector lower part 96 and right-angle connector piece uploading 99 compositions are connected including waveform spring gasket 94 (flexible fastening when for turning to 90 degree) and fixing rivet 93, right angle Part lower part 96 and the interstitial hole of right-angle connector piece uploading 99 are rivet fixation hole, are had in the circular end face of right-angle connector lower part 96 Lower-left half-turn groove 95 and bottom right half-turn groove 98 have upper left half-turn groove 101 in the circular end face of right-angle connector piece uploading 99 And upper right half-turn groove 102, lower-left half-turn groove 95, bottom right half-turn groove 98, upper left half-turn groove 101 and upper right half-turn groove 102 slope inside grooves Bian Shangyou, dot passes through when convenient for folding, the circular end face of right-angle connector lower part 96 The first salient point 104 of upper distribution and the first shrinkage pool 97 are distributed the second salient point 100 and in the circular end face of right-angle connector piece uploading 99 Two shrinkage pools 103, the first salient point 104 match relatively with the second shrinkage pool 103, and the second salient point 100 matches relatively with the first shrinkage pool 97.

Right-angle connector includes right-angle connector lower part 96 and right-angle connector piece uploading 99, assembles right-angle connector lower part 96 And when right-angle connector piece uploading 99, one under, one in turn upper, salient point passes through centre against concave point, fixing rivet 93 The one end in hole, fixing rivet 93 is connected by waveform spring gasket 94.

Right-angle connector lower part 96 has lower part confined planes 115, and right-angle connector piece uploading 99 has piece uploading confined planes 116, lower part 45 degree of the straight-bar bottom surface of confined planes 115 and right-angle connector lower part 96 formation, piece uploading confined planes 116 and right-angle connector piece uploading 99 Straight-bar bottom surface formed 45 degree, after lower part confined planes 115 are contacted with piece uploading confined planes 116, right-angle connector lower part 96 and right angle Connector piece uploading 99 forms 90 degree of right angles, and lower part confined planes 115 and piece uploading confined planes 116 make right-angle connector lower part 96 and right angle Connector piece uploading 99 can only rotate within 90 degree, cannot rotate beyond 90 degree, by limitation.

Arc groove in right-angle connector lower part 96 and right-angle connector piece uploading 99 can make right angle rotating position not 90 It can be freely rotated when spending.After firmly rotating connector makes corrugated gasket deformation, right-angle connector lower part 96 and right angle connection Part piece uploading 99 forms 90 degree of right angles, and salient point and concave point can block mutually, keeps right-angle structure more stable.

Straight line connector (straight line connector 58 and straight line connector 62) structure of folded metal basket 4: straight line connector packet Straight line connector lower part 109 and straight line connector piece uploading 108 are included, straight line connector is identical as the structure of right-angle connector, different Place are as follows:

Lower part confined planes 118 are parallel with the straight-bar bottom surface of straight line connector lower part 109, and piece uploading confined planes 117 and straight line connect The straight-bar bottom surface of fitting piece uploading 108 is parallel.

Straight line connector lower part 109 is connect with straight line connector piece uploading 108 by rivet 106 and corrugated gasket 107.

The lower part confined planes 118 and piece uploading confined planes 117 of straight line connector position limiting structure make straight line connector can only be 180 It rotates within degree, will be rotated by limitation after 180 degree.Arc groove in straight line connector can make squareness turned position not exist It can be freely rotated when 180 degree.After firmly rotating connector makes corrugated gasket deformation, right-angle connector is 180 degree, salient point and Concave point can block mutually, keep right-angle structure more stable.

The structure of the mute building climbing wheel 1 of stainless steel: upper stainless steel three-legged support shell 7, lower stainless steel three-legged support shell 5 and Plastics three-legged support inner core 6 is trilobal cross structure, upper stainless steel three-legged support shell 7, lower stainless steel three-legged support shell 5 and modeling There are mesoporous, the upper stainless steel three-legged support shell 7 and lower stainless steel of the mute building climbing wheel 1 of stainless steel in the middle part of material three-legged support inner core 6 Plastics three-legged support inner core 6 connect with fixation hole by rivet between three-legged support shell 5, rivet includes the first rivet 10, the Connecting bolt in the mesoporous of two rivets 11 and third rivet 12, upper stainless steel three-legged support shell 7 and plastics three-legged support inner core 6 Axis 8, circlip 9 are buckled on bolt axle 8, and the mesoporous of plastics three-legged support inner core 6 connects bearing 19, the three leaves top of trilobal cross structure There are the first wheel bore, the second wheel bore and third wheel bore, the first runner 16, the first spring 21, the first Upper gasket 20, the first lower gasket 22 And first runner pivot pin 14 form the first light-emitting window, the second runner 17, second spring 27, the second Upper gasket 26, the second lower gasket 28 and second runner pivot pin 13 form the second light-emitting window, third runner 18, third spring 23, third Upper gasket 24, third underlay Piece 25 and third runner pivot pin 15 form third light-emitting window, and the first light-emitting window is connected by the first runner pivot pin 14 and the first wheel bore Connect, the second light-emitting window connect by the first runner pivot pin 13 with the second wheel bore, on the light-emitting window pass through the first runner pivot pin 15 and The connection of third wheel bore.

Two stainless steel three-legged support shells are first separately fixed at three foot inner core two sides of plastics with rivet, make three-prong structure Secure rigid, which again respectively puts the side of three wheels, successively puts gasket, spring, gasket, then centre bore and assembled three Three holes alignment on foot support side, is fixed with rivet.Three wheels after fixation need can be with flexible rotating, but due to bullet It not will shake left and right and collide when the deformation effect of spring is allowed to drag, bearing and bolt axle are respectively arranged in three-legged support two sides Portion.

Mute principle:

(1) add three foot inner core of plastics in three foot shell of stainless steel, reduce the sound generated when wheel and bracket collision.

(2) three wheel sides have added spring and gasket, and gasket can guarantee the normal rotation of wheel.

Spring can be such that wheel no longer double swerve collides.Under duplicate protection, wheel could be mute.

Common stainless steel building climbing wheel currently on the market, during towing, wheel and fixed stainless steel stent There is collision, causes to have metal bump abnormal sound in use.

As shown in fig. 7, the structure of shelf metal connecting piece: shelf metal connecting piece is for being connected and fixed the two of vehicle frame base Root U-bend, shelf metal connecting piece have middle part pipeline 81 and are connected to the triangle part 79,80 of middle part pipeline two sides.Side Triangle part 79 has upper hole 75, upper stamped recess 73, lower stamped recess 78 and bottom hole 74, and the triangle part 80 of the other side has top Hole 76, upper stamped recess 72, lower stamped recess 77 and bottom hole, the upper hole 75,76 and bottom hole 74 of shelf metal connecting piece It is capable of fixing the round tube of vehicle frame, folds pipe.

There is upper stamped recess 72,73 on the side of upper hole 75,76, and there are lower stamped recess 77,78, hole in the side of bottom hole 74 Stamped recess includes upper stamped recess 72,73 and lower stamped recess 77,78, after hole stamped recess can just block opening in place Pipe, so that the pipe under certain strength effect is not fallen out displacement.

There is a folding platform in the centre of upper hole 75,76 and bottom hole 74, for supporting lateral pipe, makes lateral pipe Indeformable, structure is more stable.

Three can be hung on vehicle frame with one side of hook 45, can be hung on folded metal basket 4 with the another side of hook 45 and cloth bag is total At 3.Cloth bag assembly 3 is connected with three with hook 45 and velcro, and velcro includes the first velcro 46, the second velcro 47, the The side marsupial 50 of three velcro 48, the 4th velcro 49, cloth bag assembly 3 connects.

Three use the effect of hook 45:

(1) can one end hook on 4 cross bar of folded metal basket, one end is hung on frame rail.To folding wire basket 4 and shelf Connection play certain fixed function.

(2) can one end hook hanging buckle position on cloth bag, one end is hung on frame rail.Cloth bag and shelf are played The effect being fixedly connected.

(3) can one end hang upside down on folded metal basket 4, the same of certain reinforcement effect is played to the fixation of the link position of basket When again can when hook, the article of polybag etc can be hung.

As shown in fig. 6, fixed fold wire basket 4 is with the dismounting plug of vehicle frame dismounting slot connectors, (dismounting plug is connected Part 56, dismounting slot connectors 204, dismounting plug connection 205 and dismounting slot connectors 202) structure: dismounting plug 71 can It is mounted on two vertical bars of folded metal basket 4 with rivet, dismounting slot 70 can be mounted on vehicle frame two with rivet On vertical bar.

Mounting distance on folded metal basket 4 is consistent with the mounting distance on vehicle frame.Dismount plug 71 and dismounting slot 70 For the trade shape that the sliding that can cooperate is not deviate from but, dismounting slot both direction all can be inserted into dismounting plug, but on one side can Pass through completely, on one side have barrier (when dismount plug insert in barrier while when and can not pass through, play fixation tangling folded metal Effect of the basket 4 in a certain position), dismounting plug 71 and dismounting 70 Bian Shangyou chamfering of slot, the requirement for being directed at installation process is more It is small, it installs easier to be light.

As shown in figure 3, the structure of iron wire pedestal: bottom surface column is iron wire pedestal, the two sides of the rotating bar 301 on bottom surface column It connect with the bottom bar two sides on column below, can freely be opened using the two sides of rotating bar 301 as fulcrum after the installation of bottom surface column respectively With shut, (Z-shaped structure can make pedestal that can prop up again while being hung on folded metal basket pedestal to the Z-shaped shape bar 303 of iron wire pedestal Prop up in basket internal structure), the right and left of the L structural poles of iron wire pedestal is to be converted into L structure upwards.

After entire iron wire pedestal is fixed, size is just greatly little by little than 4 bottom size of folded metal basket.

After iron wire spacer screen closes, basket can just be pushed away toward four sides by the elastic deformation of some iron wires, in conjunction with folding The characteristic of basket right-angle connector and straight line connector can make the more solid stabilization of the square structure of folding basket.

As shown in figure 8, the fast fastening clamp button 105 of shelf base and basket pedestal: fast fastening clamp button 105 has fixing card Button 87 and fixing card Button Block 84, fixed card buckle 87 have hole, and fixing card Button Block 84 has hole, and fastener spanner 83 has preceding hole and metapore, Gu Surely have a fastener spanner 83 in the socket of buckle 87 and fixing card Button Block 84, the preceding hole of fastener spanner 83 by the second snap pin 85 with Fixing card Button Block 84 connects, and the metapore of fastener spanner 83 is connect by the first snap pin 86 with fixed card buckle 87, fixing card Button Block 84 are fixed on the cross bar middle position of vehicle frame base with rivet, and after folded metal basket 4 is mounted on vehicle frame, fixed card buckle 87 can To catch on basket iron wire pedestal and basket front bottom cross bar, basket spacer screen and basket can be fixed after fastener spanner 83 by pressing It simultaneously again can be with fixed fold wire basket 4 and vehicle frame base.

Embodiment 2: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, one Kind Multifunctional shopping trolley.

The foldable structure of folded metal basket 4: folded metal basket 4 by preceding, after, it is left, it is right, go to the bottom 5 faces and 2 handle hands it is logical Cross the connector composition for connecting each joint.5 faces of each basket and 2 handles can pass through the connector in each joint simultaneously Folding realize basket folding.Two faces in left and right are connected and fixed respectively by two identical facets by straight line connector At.All around 4 faces are mounted to the frame at 4 faces right angle each other by right-angle connector connection again.Bottom surface is iron wire bottom Seat is installed on the bottom of inside behind basket, freely can open and shut after installation, and inside behind basket is sticked on after unlatching, The size for shutting rear iron wire pedestal can just prop up 4 faces of basket, play the role of further reinforcing basket square structure. Basket handle is fixed on the top of basket front and back by handle connecting piece, and handle can be rotated by handle connecting piece With folding.

The right-angle connector structure of folded metal basket 4: accessory of the right-angle connector by two outer image letter b, a wave Shape spring shim (for flexible fastening when turning to 90 degree), a fixing rivet composition.B font accessory circle position It is rivet fixation hole that, which there is a hole in centre, and there are two half-turn grooves (to have on inside grooves side small for b type accessory inner rivet hole outer Slope, dot passes through when convenient for folding) a boss point, a round shrinkage pool.Salient point and shrinkage pool it is in the same size.Group When filling right-angle connector, b type accessory one under, one in turn upper, the salient point of an accessory is matched against another They are assembled with rivet and are fixed by the concave point of part, the top for the accessory that waveform spring gasket puts aside.Right-angle connector is by limiting Bit architecture rotate right-angle connector can only within 90 degree, will be rotated by limitation after 90 degree.Circular arc in right-angle connector Groove can be such that right angle rotating position is not freely rotated at 90 degree.After firmly rotating connector makes corrugated gasket deformation, Right-angle connector is 90 degree, and salient point and concave point can block mutually, keep right-angle structure more stable.

The straight line connection structure of folded metal basket 4: accessory of the straight line connector by two outer image letter b, a waveform Spring shim (for turning to flexible fastening when 0 degree and 180 degree), a fixing rivet composition.B font accessory rounded portions It is rivet fixation hole that, which there is a hole in the centre of position, b type accessory inner rivet hole it is outer there are two half-turn groove (inside grooves Bian Shangyou A clivia, dot passes through when convenient for folding) a boss point, a round shrinkage pool.The size one of salient point and shrinkage pool It causes.When assembling straight line connector, b type accessory one under, one in turn upper, the salient point of an accessory is against another They are assembled with rivet and are fixed by the concave point of a accessory, the top for the accessory that waveform spring gasket puts aside.Right-angle connector It by position limiting structure, rotate right-angle connector can only within 180 degree, will be rotated by limitation after 180 degree.In straight line connector Arc groove right angle rotating position can be allow not to be freely rotated in 180 degree.When firmly rotating connector makes waveform spring After gasket deformation, right-angle connector is 180 degree, and salient point and concave point can block mutually, keeps right-angle structure more stable.

The structure of the mute building climbing wheel of stainless steel: common stainless steel building climbing wheel currently on the market, during towing, Wheel and fixed stainless steel stent have collision, cause to have metal bump abnormal sound in use.The structure that we design It is by two stainless steel three-legged support shells, a plastics three-legged support inner core, three wheels, several springs, several gaskets, riveting Nail, a bearing, a fixed switch, composition.Two stainless steel three-legged support shells are first separately fixed at plastics with rivet Three foot inner core two sides put three-prong structure secure rigid again respectively the side of three wheels and successively put gasket, spring, gasket, Then three holes alignment on centre bore and assembled three-legged support side, is fixed with rivet.Three wheels after fixation need Can be with flexible rotating, but due to not will shake left and right and colliding when the deformation effect of spring is allowed to drag, bearing and fixation are opened Pass is respectively arranged in inside three-legged support two sides.Three foot inner core of plastics is added in mute three foot shell of principle (1) stainless steel, has reduced The sound that wheel and bracket generate when colliding.(2) three wheel sides have added spring and gasket, and gasket can guarantee wheel Normal rotation.Spring can be such that wheel no longer double swerve collides.Under duplicate protection, wheel could be mute.)

The structure of shelf metal connecting piece: the metal connecting piece of shelf is used to be connected and fixed two U-bends of vehicle frame base Pipe.Two holes of metal connecting piece can fix the round tube of vehicle frame, fold pipe.There is stamped recess beside hole, rushes Indentation slot can just block the pipe after opening in place, and the pipe under certain strength effect is made not fall out displacement.Two There is a folding platform in the centre in hole, for supporting lateral pipe, keeps lateral pipe indeformable, structure is more stable.

The fast fastening clamp button of shelf base and basket pedestal: fast fastening clamp button is fixed on vehicle frame base with rivet Cross bar middle position, after folded metal basket 4 is mounted on vehicle frame, before Rapid fastener can catch on basket iron wire pedestal and basket Face bottom bar, press while can fixing basket spacer screen and basket after Rapid fastener again can with fixed fold wire basket 4 and Vehicle frame base.

Three with hook: can be hung on vehicle frame on one side, can be hung on folded metal basket 4 and cloth bag on one side.Act on (1) can one end hook exist On 4 cross bar of folded metal basket, one end is hung on frame rail.Certain fixation is played to the connection for folding wire basket 4 and shelf Effect.(2) can one end hook hanging buckle position on cloth bag, one end is hung on frame rail.Phase is played to cloth bag and shelf The fixed effect of fixed.(3) can one end hang upside down on folded metal basket 4, it is fixed to the link position of basket to play certain reinforce and make With while again can when hook, the article of polybag etc can be hung.

The dismounting plug of fixed fold wire basket 4 and vehicle frame and dismounting inserting slot construction: dismounting plug can be installed solid with rivet Due on two vertical bars of folded metal basket 4, dismounting slot can be mounted on two vertical bars of vehicle frame with rivet.Folded metal Mounting distance on basket 4 is consistent with the mounting distance on vehicle frame.Dismounting plug and dismounting slot are that can cooperate to slide but not The trade shape of abjection, dismounting slot both direction all can be inserted into dismounting plug, but can pass through completely on one side, there is barrier on one side (can not pass through when plug inserts in one side of barrier, play the role of fixation and tangle folding basket in a certain position), dismounting Plug and dismounting slot Bian Shangyou chamfering, the requirement for being directed at installation process is smaller, installs easier to be light.

The structure of iron wire pedestal: iron wire pedestal back is rotating bar, is mountable to bottom inside behind folded metal basket 4, Front is that (Z-shaped structure can make pedestal that can be supported again while being hung on folding basket pedestal in basket internal junction to Z-shaped shape Structure), the right and left is to be converted into L structure upwards.After entire iron wire pedestal is fixed, size is just bigger than folding basket bottom size by one Point point.After pedestal closes, basket can just be pushed away toward four sides by the elastic deformation of some iron wires, in conjunction with folded metal basket 4 The characteristic of right-angle connector and straight line connector can make the more solid stabilization of the square structure of folded metal basket 4.

The assembling of vehicle frame, vehicle frame are divided into vehicle frame vertical bar and vehicle frame base.Vehicle frame vertical bar is divided under vertical bar upper half set and vertical bar Half covers.Collodion handle is placed on vertical bar upper half set top cross bar, first iron staff cross bar is installed on vertical bar upper half sets of holes by (1) Institute is placed on second iron staff to position, then by hook, has the iron staff of hook to be mounted on the position of second iron staff.(2) it will fix Slot confirmation side backs through vertical bar lower half set vertical bar, and alignment uses riveting after dismounting the hole site in slot and the position of vertical bar mesoporous Nail is fixed.(3) by two U-bends of pedestal, iron bar is connected, complexed metal connector is fixed on relative position with rivet, will be fast Fast fixed card buckle is fixed on pedestal with rivet.(4) vehicle frame vertical bar upper half set is fixed on vehicle frame vertical bar lower half set with rivet.Again The vehicle frame vertical bar and vehicle frame base that will have been organized, are fixed with rivet and long iron staff.

The assembling of folded basket, folded metal basket 4 by preceding, after, it is left, it is right, go to the bottom 5 faces and 2 handle hands it is each by connection The connector in a joint forms.Former and later two faces are by 2 cross bars and several thin vertical bar, 2 root thickness vertical bars composition.Have on 2 cross bars The hole of the thin vertical bar of people can just be inserted.Thin vertical bar is hollow structure, and the installation that can be used for self-tapping screw is fixed.(1) before making Two sides afterwards.Thin vertical bar is inserted into cross bar hole, is pierced with self-tapping screw from the other side and thin vertical bar is fixed on cross bar.Connected with bilateral Fitting and rivet fix thick vertical bar and cross bar.Locking-type plug is fixed on to the designated position of thick vertical bar below with rivet.(2) left Right two big face is connected and fixed respectively by two identical facets by straight line connector.It is used as the identical of front and back two sides The facet of the technique production left and right sides.Two facets are fixed into the two big faces in left and right with straight line connector and rivet again.(3) Before, after, left, right 4 faces are mounted to the frame at 4 faces right angle each other by right-angle connector connection again.Bottom surface is iron wire bottom Seat is installed on the bottom of inside behind basket, freely can open and shut after installation, and inside behind basket is sticked on after unlatching, The size for shutting rear iron wire pedestal can just prop up 4 faces of basket, play the role of further reinforcing basket square structure. Basket handle is fixed on the top of basket front and back by handle connecting piece, and handle can be rotated by handle connecting piece With folding.

The assembling of right-angle connector.Accessory of the right-angle connector by two outer image letter b, a waveform spring gasket (for flexible fastening when turning to 90 degree), a fixing rivet composition.There is a hole in the centre at b font accessory circle position For rivet fixation hole, the outer of b type accessory inner rivet hole (has a clivia, facilitates folding there are two half-turn groove on inside grooves side Dot passes through when folded) a boss point, a round shrinkage pool.Salient point and shrinkage pool it is in the same size.Right angle is assembled to connect When fitting, b type accessory one under, one in turn upper, the salient point of an accessory against another accessory concave point, They are assembled with rivet and are fixed by the top for the accessory that waveform spring gasket puts aside.Right-angle connector is made by position limiting structure Right-angle connector can only rotate within 90 degree, will be rotated by limitation after 90 degree.Arc groove in right-angle connector can make Right angle rotating position can not be freely rotated at 90 degree.After firmly rotating connector makes corrugated gasket deformation, right angle connection Part is 90 degree, and salient point and concave point can block mutually, keep right-angle structure more stable.

The assembling of straight line connector.Accessory of the straight line connector by two outer image letter b, a waveform spring gasket (for turning to flexible fastening when 0 degree and 180 degree), a fixing rivet composition.The centre at b font accessory circle position Have a hole be rivet fixation hole, b type accessory inner rivet hole it is outer there are two half-turn groove (have a clivia on inside grooves side, Dot passes through when convenient for folding) a boss point, a round shrinkage pool.Salient point and shrinkage pool it is in the same size.Assembling When straight line connector, b type accessory one under, one in turn upper, the salient point of an accessory is against another accessory Concave point, the top for the accessory that waveform spring gasket puts aside, with rivet by they assemble fix.Right-angle connector is by limiting Structure rotate right-angle connector can only within 180 degree, will be rotated by limitation after 180 degree.Circular arc in straight line connector Groove can be such that right angle rotating position is not freely rotated in 180 degree.After firmly rotating connector makes corrugated gasket deformation, Right-angle connector is 180 degree, and salient point and concave point can block mutually, keeps right-angle structure more stable.

The installation of the mute building climbing wheel of stainless steel, the mute building climbing wheel structure of stainless steel be by two stainless steel three-legged supports outside Shell, a plastics three-legged support inner core, three wheels, several springs, several gaskets, rivet, a bearing, a fixation are opened It closes, composition.Two stainless steel three-legged support shells are first separately fixed at three foot inner core two sides of plastics with rivet, make three-prong structure Secure rigid, which again respectively puts the side of three wheels, successively puts gasket, spring, gasket, then centre bore and assembled three Three holes alignment on foot support side, is fixed with rivet.Three wheels after fixation need can be with flexible rotating, but due to bullet It not will shake left and right and collide when the deformation effect of spring is allowed to drag, bearing and fixed switch are respectively arranged in three-legged support two sides It is internal.

The installation of fast fastening clamp button.Fixed card buckle is divided into 3 components, is mounted to all parts fastly with cylindrical positioning pins Fast fixed card buckle.

The sewing of cloth bag.Cloth bag material requested is made of sewing machine, bottom plate sewing is installed on cloth bag bottom, by 2 Running-on sewing is linked up at the top of the cloth bag back side, 4 velcro are sewed according to the size of vehicle frame vertical bar lower half set spacing in cloth bag The back side.

The assembling of vehicle, by assembled vehicle frame, folded metal basket 4, cloth bag, stainless steel 4 components of mute wheel carry out group The dismounting plug that dress (1) member collapses wire basket 4 can lead to the basket back side is connected with the dismounting slot of two vertical bars of shelf, basket Bottom is connected with the Rapid fastener of bottom shelf, is connected by three with hook at the top of basket with whippletree among shelf and is played admittedly Determine basket and vehicle frame pole acts on.(2) component cloth bag can be by three with linking up in vehicle frame iron wire cross bar, and back is solid using velcro Due to two vertical bars of vehicle frame, cloth bag bottom is put in vehicle frame base, realizes the fixation of cloth bag and vehicle frame.(3) component stainless steel is mute Wheel can be fixed on wheel elastic card buckle by vehicle frame iron staff after the bearing of the mute wheel of stainless steel.

As described above, being explained in detail to the embodiments of the present invention, as long as but essentially without disengaging The inventive point and effect of the utility model can have many deformations, this is apparent to one skilled in the art 's.Therefore, such variation is also integrally incorporated within the protection scope of the utility model.

Claims (8)

1. a kind of Multifunctional shopping trolley, it is characterised in that total including frame assembly, the mute building climbing wheel assembly of stainless steel, cloth bag At, folded metal basket, basket handle, wire basket dismounting plug, wire basket dismounting slot, three with hooks, iron wire pedestal, connect Part；Connector includes right-angle connector, straight line connector, shelf connector and basket base connector；

The dismounting plug that folded metal basket can lead to the basket back side is connected with the dismounting slot of two vertical bars of shelf, basket bottom It is connected with the Rapid fastener of bottom shelf, is connected by three with hook at the top of basket with whippletree among shelf；

Cloth bag assembly can be by three with linking up in vehicle frame iron wire cross bar, and two vertical bars of vehicle frame are fixed on using velcro in back, Cloth bag bottom is put in vehicle frame base, realizes the fixation of cloth bag and vehicle frame；

After the mute building climbing wheel assembly of stainless steel can pass through the bearing of the mute building climbing wheel of stainless steel by vehicle frame iron staff, it is fixed on wheel At elastic buckle；

Folded metal basket includes front column, back column, left side column, right side column and bottom surface column totally 5 faces and 2 handles, between By connecting the connector composition in each joint, before column, back column, left side column and right side column become the frame at right angle each other； 5 faces and 2 handles can be realized by the connector in each joint and be folded simultaneously；

Bottom surface column is iron wire pedestal, and the two sides of the rotating bar on bottom surface column are connect with the bottom bar two sides on column below respectively, is gone to the bottom It can open and shut using the two sides of rotating bar as fulcrum after the installation of face column, inside behind folded metal basket is sticked on after unlatching, The size for shutting rear iron wire pedestal can just prop up folded metal basket,

Left side column is identical as right side column structure, and the mandril on left side column is connect by connector with wire basket handle, mandril and bottom bar Hole is distributed with, connection straight-bar is simultaneously fixed at both ends in hole, and one end of mandril is connect by right-angle connector with column mandril below, mandril The other end connect with the left mandril on front column by right-angle connector, the bottom bar one end on left side column pass through right-angle connector and after The bottom bar other end of the connection of face column bottom bar, left side column is connect by right-angle connector with the left bottom bar on front column；

The lower part connected slot connector of the top connected slot connector of the side straight-bar on left side column, side straight-bar, left side column Other side straight-bar top connection other side straight-bar lower part connected slot connector；The left mandril on front column is connected by straight line Fitting is connect with right mandril, before the left bottom bar on column connect with right bottom bar by straight line connector, left mandril and right mandril are distinguished Connection hook；The connection structure on right side column and front column and back column is the connection structure with left side column and front column and back column It is identical；

The structure of shelf metal connecting piece: shelf metal connecting piece is used to be connected and fixed two square tubes of vehicle frame base, shelf gold Belonging to connector has middle part pipeline and is connected to the triangle part of middle part pipeline two sides；The triangle part of side has upper hole, upper stamped female Slot, lower stamped recess and bottom hole, the triangle part of the other side have upper hole, upper stamped recess, lower stamped recess and bottom hole, frame The upper hole and bottom hole of sub- metal connecting piece are capable of fixing the round tube of vehicle frame, and pipe is enable to fold；Have beside upper hole Upper stamped recess has lower stamped recess beside bottom hole, and hole stamped recess includes upper stamped recess and lower stamped recess, Kong Chong Indentation slot can just block the pipe after opening in place, and pipe is made not fall out displacement；The centre of upper hole and bottom hole has One folding platform, for supporting lateral pipe；

The dismounting plug of fixed fold wire basket and vehicle frame dismounts slot connectors structure: dismounting plug can be installed solid with rivet Due on two vertical bars of folded metal basket, dismounting slot can be mounted on two vertical bars of vehicle frame with rivet；Dismounting is inserted Head and dismounting slot are the trade shape for sliding not deviate from but that can cooperate, and dismounting slot both direction, which can be inserted into, tears open Plug, but can pass through completely on one side, there are barrier, dismounting plug and dismounting slot Bian Shangyou chamfering on one side.

2. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that wire basket handle is connected by handle The fixing seat of fitting is fixed on the top on left side column, right side column, wire basket handle can be carried out by handle connecting piece rotation with It folds；The fixing seat of handle connecting piece has hole, and rotating member has hole, and pin shaft is connected in hole, and rotating member has connector, connector and gold Belong to the connection of basket handle.

3. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that shelf base and basket pedestal Fast fastening clamp button: fast fastening clamp is buckled with fixing card Button Block and fixed card buckle, and fixing card Button Block has hole, and fixing card is buckled with hole, Fastener spanner has preceding hole and a metapore, there is fastener spanner in the socket of fixing card Button Block and fixed card buckle, and the preceding hole of fastener spanner is logical It crosses the second snap pin to connect with fixed card buckle, the metapore of fastener spanner is connect by the first snap pin with fixing card Button Block, fixed Snap seats are fixed on the cross bar middle position of vehicle frame base with rivet, after folded metal basket is mounted on vehicle frame, fixed card buckle Basket iron wire pedestal and basket front bottom cross bar can be caught on, is capable of fixing basket iron wire pedestal and basket after pressing fastener spanner Folded metal basket and vehicle frame base are capable of fixing while sub- again.

4. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that the structure of iron wire pedestal: bottom surface Column is iron wire spacer screen, and the two sides of the rotating bar on bottom surface column are connect with the bottom bar two sides on column below respectively, after the installation of bottom surface column It can open and shut, the Z-shaped shape bar of iron wire pedestal, a left side for the L structural poles of iron wire pedestal using the two sides of rotating bar as fulcrum Right both sides are to be converted into L structure upwards.

5. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that three can be hung with one side of hook Folded metal basket and cloth bag assembly can be hung on the another side of hook in vehicle frame, three；Cloth bag assembly connects velcro, velcro Including the first velcro, the second velcro, third velcro, the 4th velcro, the side marsupial of cloth bag assembly is connected.

6. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that the knot of the mute building climbing wheel of stainless steel Structure: upper stainless steel three-legged support shell, lower stainless steel three-legged support shell and plastics three-legged support inner core are trilobal cross structure, on There is mesoporous in the middle part of stainless steel three-legged support shell, lower stainless steel three-legged support shell and plastics three-legged support inner core, stainless steel is quiet It is connected between the upper stainless steel three-legged support shell of sound building climbing wheel and lower stainless steel three-legged support shell by rivet and fixation hole Plastics three-legged support inner core, rivet include the first rivet, the second rivet and third rivet, upper stainless steel three-legged support shell and modeling Expect that connecting bolt axis in the mesoporous of three-legged support inner core, circlip are buckled on bolt axle, the mesoporous connection of plastics three-legged support inner core First wheel bore, the second wheel bore and third wheel bore, the first runner, the first spring, first are arranged at the three leaves top of bearing, trilobal cross structure Upper gasket, the first lower gasket and the first runner shaft pin bank are at the first light-emitting window, the second runner, second spring, the second Upper gasket, Two lower gaskets and the second runner shaft pin bank are at the second light-emitting window, third runner, third spring, third Upper gasket, third lower gasket And third runner shaft pin bank, at third light-emitting window, the first light-emitting window is connect by the first runner pivot pin with the first wheel bore, second turn Wheel group is connect by the first runner pivot pin with the second wheel bore, and light-emitting window passes through the first runner pivot pin and connect with third wheel bore on the.

7. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that the right angle of folded metal basket connects Part structure: right-angle connector is made of the right-angle connector lower part and right-angle connector piece uploading of two outer image letter b, including wave The interstitial hole of shape spring shim and fixing rivet, right-angle connector lower part and right-angle connector piece uploading is rivet fixation hole, right angle There are lower-left half-turn groove and bottom right half-turn groove in the circular end face of connector lower part, in the circular end face of right-angle connector piece uploading There are upper left half-turn groove and upper right half-turn groove, lower-left half-turn groove, bottom right half-turn groove, upper left half-turn groove and upper right half-turn The slope inside grooves Bian Shangyou of groove, dot passes through when convenient for folding, the circular end face of right-angle connector lower part The first salient point of upper distribution and the first shrinkage pool are distributed the second salient point and the second shrinkage pool in the circular end face of right-angle connector piece uploading, and One salient point matches relatively with the second shrinkage pool, and the second salient point matches relatively with the first shrinkage pool；

Right-angle connector lower part has lower part confined planes, and right-angle connector piece uploading has piece uploading confined planes, and lower part confined planes and right angle connect The straight-bar bottom surface of fitting lower part forms 45 degree, and piece uploading confined planes and the straight-bar bottom surface of right-angle connector piece uploading form 45 degree, lower part After confined planes and piece uploading limit face contact, right-angle connector lower part and right-angle connector piece uploading form right angle, lower part confined planes with Piece uploading confined planes rotate right-angle connector lower part and right-angle connector piece uploading can only within 90 degree；

Arc groove in right-angle connector lower part and right-angle connector piece uploading can rotate within 90 degree；When firmly rotation connects After fitting makes corrugated gasket deformation, right-angle connector lower part and right-angle connector piece uploading form right angle, and salient point and concave point can be mutual Mutually block.

8. a kind of Multifunctional shopping trolley according to claim 1, it is characterised in that the straight line of folded metal basket connects Part structure: straight line connector includes straight line connector lower part and the piece uploading of straight line connector, straight line connector and right-angle connector Structure is identical, difference are as follows: lower part confined planes are parallel with the straight-bar bottom surface of straight line connector lower part, piece uploading confined planes and straight line The straight-bar bottom surface of connector piece uploading is parallel；Straight line connector lower part and the piece uploading of straight line connector are connected by rivet and corrugated gasket It connects；The lower part confined planes and piece uploading confined planes of straight line connector position limiting structure rotate straight line connector can only within 180 degree； Arc groove in straight line connector can enable angular rotational position not rotate in 180 degree；When firmly rotating connector After making corrugated gasket deformation, right-angle connector is 180 degree, and salient point and concave point can block mutually.