CN208198487U - A kind of foldable multifunctional cart - Google Patents

A kind of foldable multifunctional cart Download PDF

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Publication number
CN208198487U
CN208198487U CN201820399556.6U CN201820399556U CN208198487U CN 208198487 U CN208198487 U CN 208198487U CN 201820399556 U CN201820399556 U CN 201820399556U CN 208198487 U CN208198487 U CN 208198487U
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CN
China
Prior art keywords
hole
working position
castor
handle
push rod
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201820399556.6U
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Chinese (zh)
Inventor
王俊博
王钦兵
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Individual
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Individual
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Priority to CN201820399556.6U priority Critical patent/CN208198487U/en
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Publication of CN208198487U publication Critical patent/CN208198487U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of foldable multifunctional carts, and including supporting panel and the castor in supporting surface board bottom portion being arranged in, the support panel is folding structure；The support panel is equipped with the castor storage space for storing the castor；The castor is mounted on support panel by hinged seat, which has after expansion with vertically arranged first working position of support panel and folding and retraction in the second working position in the castor storage space；It is equipped with simultaneously on the support panel and castor is maintained at the first working position or is maintained at the castor locking piece of the second working position.The foldable multifunctional cart of the utility model, the folding and unfolding realized to push rod can be facilitated, supporting panel simultaneously is folding structure, when not in use, support panel can further be folded, reduce the occupied space of cart, while can use as tortoise vehicle or support plate, function is more comprehensive, and practicability is stronger.

Description

A kind of foldable multifunctional cart
Technical field
The utility model relates to a kind of carts, are specifically related to a kind of cart convenient for storage.
Background technique
Cart is mainly used for transporting cargo, generally comprises support panel, push rod (or referred to as handrail, handle etc.), castor Deng.The quantity of castor general three to four.When not in use, to save space, convenient for storage, the push rod of most cart generally may be used To fold and support on panel.Current cart occupied space is larger, and has a single function.
Utility model content
The utility model provides a kind of foldable multifunctional cart, when not in use, castor can be accommodated in support panel It is interior, so that cart becomes plate structure, convenient retracted and transport.Meanwhile support panel can further be folded, it is further reduced The use space of cart.
A kind of foldable multifunctional cart, including supporting panel and the castor in supporting surface board bottom portion, the support being arranged in Panel is folding structure；The support panel is equipped with the castor storage space for storing the castor；The castor passes through hinge Joint chair be mounted on support panel on, the castor have expansion after with support vertically arranged first working position of panel, and fold The second working position being retractable in the castor storage space；It is equipped with simultaneously on the support panel and castor is maintained at first Working position or the castor locking piece for being maintained at the second working position.
It is selectable, it can also include dismountable handrail.The support panel is equipped with handrail location hole.I.e. this is practical Novel cart both may include handrail, can not also include handrail；Handrail can not be used using handrail or, work as use When handrail, handrail can be mounted on support panel by handrail location hole.
In the utility model, conversion of the castor between the first working position and the second working position is realized by hinged seat.It is logical Crossing castor locking piece can be the positioning for realizing castor in the first working position and the second working position.In the first working position, castor It is the state of cart normal use perpendicular to support panel.When not needing using cart, or not needing using castor, Castor can be retractable in castor storage space, i.e., so that castor is in the second working position state.By adopting the above technical scheme, i.e., It can be used the cart of the utility model as conventional cart, i.e., castor, handrail etc. are in normal operating conditions, can also be with Castor is packed up；It is of course also possible to which castor is all stored, while handrail being dismantled, is used cart as support plate.
Preferably, further including the caster seat for installing the castor, which is equipped with for cutting with scissors with hinged seat The hinge hole and lock hole connect；
The castor locking piece is the slide being slidably arranged on support panel, which is equipped with towards the side of lock hole At least one locking bar, and the slide can be moved along locking bar axial reciprocating；
The lock hole is at least two, and when the castor is in the first working position or the second working position, at least There are a lock hole and the locking bar face；
When the castor is located at the first working position or the second working position, realization pair in the lock hole of the locking bar insertion face The positioning of castor；Between the first working position and the second working position in handoff procedure, the locking bar is detached from corresponding the castor Lock hole.
In the utility model, the castor can use one-way wheel or universal wheel etc. or part for one-way wheel part Universal wheel etc. (for example two of them are universal wheel, other two is one-way wheel etc.), realizes the peace with hinged seat by caster seat Dress.Castor is generally arranged 3~4, can also adjust the quantity of castor as needed.
In the utility model, in a free state, caster seat can rotate in hinged seat, can complete castor at this time Conversion between one working position and the second working position.In order to realize the positioning to caster seat, the final positioning realized to castor, lock Determine hole and is not overlapped with hinge hole, when being transformed into the first working position or the second working position, wherein at least one lock hole and lock Fixed pole is to just, when locking bar is inserted into corresponding lock hole (when in the first working position or the second working position and it is to positive lock hole) Afterwards, under the collective effect of articulated shaft and locking bar, the stable position to castor is realized.
Preferably, the hinged seat is equipped with the auxiliary positioning hole being coaxially disposed with the locking bar；
Be equipped in the caster seat with lock hole coaxial arrangement and can auxiliary positioning bar in axial sliding, it is auxiliary Help locating rod between lock hole and auxiliary positioning hole, there are two working positions for auxiliary positioning bar tool, are respectively as follows:
When the castor is located at the first working position or the second working position, under locking bar promotion, first end insertion pair Auxiliary positioning hole is answered, second end is detached from the locking working position of corresponding lock hole；
And in castor between the first working position and the second working position in conversion process, it is fixed that first end is detached from corresponding auxiliary Position hole, second end are inserted into the release working position of corresponding lock hole.
In the utility model, the locking bar and auxiliary positioning hole are fixed structure, and coaxially to positive setting, will not be with castor Seat overturning；The lock hole and auxiliary positioning bar can be overturn between locking bar and auxiliary positioning hole with caster seat is synchronous.
In above-mentioned technical proposal, when the auxiliary positioning bar is located at locking working position, the locking bar is inserted into lock simultaneously Determine in hole, realizes Dual positioning.When the auxiliary positioning bar is located at release working position, locking bar exits lock hole, auxiliary positioning Bar is inserted into lock hole, and caster seat is in free state, and castor can turn to the first working position or the second working position with caster seat.
Preferably, the caster seat is equipped with end plate along one end of auxiliary positioning bar axial direction, which is equipped with described Lock hole；The auxiliary positioning bar is equipped with auxiliary positioning platform close to one end outer wall of lock hole, in auxiliary positioning bar position When discharging working position, which offsets with the end plate inwall；It is arranged with and promotes on the auxiliary positioning bar Its spring-assisted reduction for restoring release working position, the both ends of the spring-assisted reduction respectively with the caster seat that is arranged in caster seat Positioning table, the auxiliary positioning platform the other side offset.When actual processing, institute's auxiliary positioning platform outer diameter is generally higher than in lock hole The auxiliary positioning bar is limited in the caster seat by diameter using the end plate；It is on the one hand realized by auxiliary positioning platform Limit of the end plate to auxiliary positioning bar, while also achieving limit and installation to spring-assisted reduction.
For convenience of installation, as further preferred, accessory plate, the auxiliary positioning hole setting are fixed on the hinged seat On the accessory plate.Accessory plate generally passes through screw and determines removably and hinged seat installation fixation.
The through-hole structure passed through for auxiliary positioning bar is equipped in the caster seat of the utility model, the through-hole structure is simultaneously to auxiliary Locating rod is helped to play axially directed effect.When installation, spring-assisted reduction is directly set in auxiliary positioning bar outer wall, it is auxiliary It helps reset spring one end (outer end) to offset with one side end face of auxiliary positioning platform, then will be cased with the auxiliary positioning of spring-assisted reduction Bar is inserted into the through-hole structure in caster seat, with going deep into for insertion, the other end (inner end) and castor of spring-assisted reduction Seat positioning table contact, offsets.Finally end plate and caster seat are fixed, at this time one side end face of auxiliary positioning platform and spring-assisted reduction One end offsets, and another side end face offsets with end plate inwall.The positioning to auxiliary positioning bar in caster seat is realized by end plate.
Preferably, the lock hole and auxiliary positioning bar are at least three groups, the auxiliary positioning hole and the lock hole At least two groups；
And when the castor is in the first working position or the second working position, at least two groups of lock holes and auxiliary positioning bar With the locking bar face.
In the utility model, the locking bar is corresponding at least two, using at least two locking bars, further increases lock Fixed stability.As further preferred, the auxiliary positioning hole and locking bar are the auxiliary positioning bar and lock to positive two groups Hole is to positive three groups.
Preferably, being equipped with reduction torsion spring between the caster seat and hinged seat.Using reduction torsion spring, can promote to be in The castor of free state can turn to rapidly vertical operation state, that is, reach the first working position.
Promote the thrust of the corresponding lock hole of locking bar insertion elastic preferably, being equipped between the slide and support panel Part.The setting of thrust elastic component quickly realizes locking bar to caster seat for promoting slide quickly mobile to hinged seat direction With the positioning of castor.The thrust elastic component general spring part.As further preferred, the thrust elastic component is thrust bullet Spring.
Preferably, the articulated shaft between the caster seat and the hinged seat extends caster seat towards one end of slide Extended segment is formed, the slide coaxially slide is threaded through on the extended segment.Using articulated shaft, hinged same of caster seat is being realized When, also achieve the guiding and positioning to slide.As a kind of selection, can be arranged simultaneously between the slide and support panel Guiding parts, for example sliding slot and projection cube structure can be set between slide and support panel, to realize the guiding to slide.
Certainly, above scheme is only a kind of preferred embodiment, and slide also can choose and the mutually independent guiding of articulated shaft Mechanism, that is, articulated shaft functions only as hinged effect without extending.And slide and support panel between setting sliding slot and The guiding matching piece of convex block realizes the guiding to slide with this.
Preferably, being equipped in the hinged seat for installing the caster seat installation cavity of caster seat and for installing slide Slide installation cavity, the partition between two installation cavitys is equipped with the articulated shaft avoid holes for avoiding the articulated shaft.Using above-mentioned Integrated morphology has further facilitated the installation of caster seat and slide.
Preferably, further including push rod, which is detachable structure；The support panel is equipped with described for storing The push rod storage space of push rod, and push rod locating piece push rod being located in push rod storage space；On the support panel It is equipped with blocked hole, and the push rod locking piece that push rod can be fixed in blocked hole simultaneously.
Preferably, the castor storage space, push rod storage space are arranged in supporting surface board bottom face.It further facilitates The use of cart.The use as support plate is also facilitated simultaneously.
In the utility model, push rod is subjected to thrust or pulling force, to realize the driving to cart.Wherein push rod can be used as Handrail uses, and can be accommodated in supporting surface board bottom portion.Meanwhile handrail and push rod can be used both independently of each, for example handrail and be pushed away Setting one, or handrail and push rod simultaneously may be selected in bar, when using handrail, push rod can be accommodated in supporting surface board bottom portion, made When with push rod, handrail can be removed, to meet various requirement.
Preferably, the push rod is stretching structure.The height of push rod can be adjusted, according to actual needs to facilitate various fields Close the use with various height users.The stretching structure is generally made of multiple casings for being mutually arranged and sliding setting, Top is the handle of push rod.Being equipped between multiple casings can be achieved relatively-stationary position limiting structure, for example can be raised and recessed The structure etc. of slot cooperation.
Preferably, the push rod locking piece includes:
The pedestal being fixed on support panel；
Two movable blocks being slidably arranged in pedestal；
Be slidably arranged in the bolts of two on pedestal coaxial arrangements, two bolts back to the extended pedestal insertion in one end In the blocked hole, the other end is fixed with corresponding movable block；
The push rod bottom is equipped with the push rod location hole that can cooperate with the bolt extension end；
Under the drive of movable block, the bolt can cooperate realization positioning with blocked hole is protruded into the push rod location hole The first working position, and the second working position of the push rod is discharged after shrinking.
In the utility model, supporting surface board bottom portion is provided with the accommodation space for installing the pedestal.The bottom Seat is mounted in the accommodation space by screw element etc..It is equipped with cavity in the pedestal, is provided for movable block and bolt mobile Space.
Preferably, further including handle, which is detachable structure；The support panel is equipped with described for storing The handle storage space of handle, and handle locating piece handle being located in handle storage space；The push rod locking piece The handle can be fixed in the blocked hole.
Preferably, the handle base is equipped with the handle location hole that can cooperate with the bolt extension end；In movable block Drive under, the bolt have protrudes into blocked hole can with the handle location hole cooperate realize positioning the first working position, with And the second working position of the handle is discharged after shrinking.
In the utility model, the handle can be plastic part, metalwork etc., and the handle location hole can be direct at this time It is arranged on handle, handle and the locating piece for being equipped with handle location hole can also be fixed to each other；The handle can also be soft Property part (such as cloth, flexible plastic part or soft rubber parts etc.), at this time can by handle be provided with determining for handle location hole Position block is fixed.
In the utility model, the fixation to push rod can be realized using locking piece, can also realize the fixation to handle, push rod A blocked hole is shared with handle, one step of progress reduces the difficulty of processing of support panel.And in fixed push rod or handle, The working condition of locking piece is identical with working principle.
In the utility model, the fixation to push rod can be realized using locking piece, can also realize the fixation to handle, push rod A blocked hole is shared with handle, one step of progress reduces the difficulty of processing of support panel.And in fixed push rod or handle, The working condition of locking piece is identical with working principle.
In the utility model, handle can also be separately provided, that is, be not provided with push rod, handle is only set, wherein handle, blocked hole Structure and push rod locking piece (or being called handle locking part) structure are constant, it may be assumed that
The foldable multifunctional cart further includes handle, which is detachable structure；The support panel, which is equipped with, to be used In the handle storage space for storing the handle, and handle locating piece handle being located in handle storage space；It is described It supports and is equipped with blocked hole, and the handle locking part that handle can be fixed in blocked hole on panel simultaneously.
Preferably, the handle locking part includes:
The pedestal being fixed on support panel；
Two movable blocks being slidably arranged in pedestal；
Be slidably arranged in the bolts of two on pedestal coaxial arrangements, two bolts back to the extended pedestal insertion in one end In the blocked hole, the other end is fixed with corresponding movable block；
The handle base is equipped with the push rod location hole that can cooperate with the bolt extension end；
Under the drive of movable block, the bolt can cooperate realization positioning with blocked hole is protruded into the handle location hole The first working position, and the second working position of the handle is discharged after shrinking.
Above-mentioned handle locking part is as above-mentioned push rod locking piece structure, when push rod and handle is arranged simultaneously, the two For a structure, i.e. handle locking part is exactly push rod locking piece, can realize the positioning to handle and push rod respectively.
Preferably, further including the clamping stopple for blocking the blocked hole.Preferably, further include can be by blocked hole Fill in the clamping stopple locking piece being fixed in blocked hole.As further preferred, it is fixed that the blocked hole is equipped with clamping stopple beyond the Great Wall Position hole；The clamping stopple locking piece is the push rod locking piece or handle locking part.
The clamping stopple of the utility model mainly blocks blocked hole when not using push rod or handle, directly utilizes and pushes away Rod lock part or handle locking part carry out the fixation of itself, do not need additional locking piece, and it is more reasonable to design.In fixed institute When stating clamping stopple, under the drive of movable block, the bolt, which has, to be protruded into blocked hole and can match with the clamping stopple location hole The first working position for realizing positioning is closed, and discharges the second working position of the clamping stopple after shrinking.
Preferably, supporting surface board bottom portion is equipped with the clamping stopple storage space for storing the clamping stopple.When with Make desk or stool in use, hole plug will be clamped using clamping stopple, so that support panel forms complete plate knot Structure.
In the utility model, described two movable block bottom ends are inserted into the pedestal, the prominent base top in top, convenient outer Adjustment of the power to movable block.The pedestal two sides are separately installed with sleeve, and two bolts are respectively sleeved in corresponding sleeve, benefit It is further ensured that the stability of bolt axial movement with sleeve, bolt is avoided to generate shaking.
Preferably, the movable block is equipped with movable block gag lever post, the pedestal is equipped with and wears for movable block gag lever post The movable block limit hole crossed.Movable block limit hole is generally strip-shaped hole, can be with by movable block gag lever post and movable block limit hole It realizes the restriction to movable block moving limit position, prevents limited block from moving past setting position；Movable block is played simultaneously and is led To effect.Movable block gag lever post is generally vertically arranged with bolt.Movable block gag lever post it is settable two or more.
Preferably, being equipped with the bolt reset spring for driving two movable blocks separate between described two movable blocks.It utilizes Bolt reset spring can promote movable block and bolt to reach the first working position rapidly, realize to push rod, handle or blocked hole The positioning of plug.Bolt reset spring may also set up two, corresponding with corresponding movable block respectively, and bolt reset spring is arranged at this time Between corresponding movable block and pedestal, the reset etc. of movable block is realized.
In the utility model, by pushing movable block, two movable blocks can be promoted close to each other, bolt is detached from clamping at this time Push rod (handle is perhaps clamped stopple) can be inserted into blocked hole when push rod (handle or clamping stopple) is inserted into blocked hole by hole Afterwards, movable block is discharged, bolt can quickly pass through the evacuation of blocked hole bottom setting under the effect of the elastic force of bolt reset spring Hole is further inserted into push rod location hole (handle location hole or the clamping of push rod (handle or clamping stopple) bottom setting Stopple location hole) in, while using blocked hole to the position-limiting action on push rod (handle or clamping stopple) periphery, and then realize pair The positioning of push rod (handle or clamping stopple).
The cart of the utility model can be used as multi-functional tortoise vehicle and use, and can fast implement multiple crows by splicing fixing piece The splicing of tortoise vehicle can meet the needs of various use occasions.Preferably, the support panel is equipped with splicing fixing piece, it is more A support panel can carry out free splicing.
Foldable structure can also be used in support panel of the utility model itself, preferably, the support panel is by mutual Two hinged sub- board groups at；It is equipped with simultaneously on the support panel and two daughter boards is located in the positioning of the folding under folded state Part, and the stretching, extension locating piece two daughter boards being located under horizontal stretching state.Under folded state, taken using handle Band etc..Using the technical solution, when not in use, the tortoise vehicle of the utility model can be further folded into " luggage case " formula Structure has further facilitated transport and storage, while having reduced area occupied.
Preferably, the stretching, extension locating piece include be separately positioned on the hinged side of two daughter boards and mutually matched convex block and Notch.As further preferred, convex block and card slot setting are multipair.Using the structure of convex block and card slot, on the one hand, at two After daughter board expansion, on the convex block card such as same supporting surface plate on a daughter board in the card slot of adjacent daughter board, two daughter boards no longer can Two daughter boards are fixed on horizontal development state by enough further rotations.On the other hand, it after two daughter boards fold into position, is formed " luggage case " structure, convex block are used as " luggage case " structural support leg simultaneously, guarantee the stability of tortoise vehicle after folding.
Preferably, the side wall of one end that described two daughter boards are connected to each other is equipped with to positive flange；The stretching, extension positioning Part is the snap-gauge for being hinged on a daughter board side, which is equipped with the fore shaft for locking two sub- plate flanges.The card Plate can be rotated along its articulated shaft, be fastened on institute after having the storage position for being retractable in one of daughter board side, and rotation 180 degree State the locking bit on the flange on two daughter boards.The snap-gauge also can be used as the stretching, extension locating piece to two sons after expansion Plate is positioned.
The stretching, extension locating piece of above two structure can individually select one of which, can also use simultaneously, as into one Preferably, the stretching, extension locating piece includes both the above to step.Realized simultaneously using above two structure to daughter board horizontal stretching shape The positioning of state.
Preferably, the support panel is equipped with the hinge hole and reception hole being arranged in pairs, and it is arranged in hinge hole The location hook for being inside able to carry out axial movement and circumferentially rotating；Location hole is additionally provided on the support panel simultaneously；When needing to spell When connecing, hook portion insertion is adjacent after there is the location hook hook portion to be accommodated in the storage working position in the reception hole, and rotation Location hole on panel is supported to realize the installment work position that two support panels position.The splicing fixing piece includes described hinged Hole, reception hole and the location hook.
Preferably, being equipped with location hook axial direction reset spring and axial anti-falling piece in the hinge hole.Location hook is axially multiple The setting of position spring can promote location hook to quickly enter reception hole or positioning hole after discharging location hook, and avoid positioning Hook voluntarily falls off reception hole out or location hole.The axial direction anti-falling piece is the positioning protrusion that location hook bottom is arranged in, described The positioning convex platform of limitation positioning protrusion is equipped in hinge hole.
Preferably, the location hole is the reception hole of the adjacent supports panel simultaneously.
In the utility model, " the hinged side " refers to the side that articulated shaft or hinge hole are arranged on daughter board.It is described " to hang down Directly in the side of hinged side " refer to and " the hinged side " adjacent side, the i.e. two sides of the support panel of cart.
In the utility model, the locating piece that folds includes the card being disposed therein on one piece of daughter board far from hinge position side Forming with the engaging button of hook cooperation far from hinge position side is hooked and is arranged on another daughter board, the engaging is pressed Button is equipped with the bayonet arrangement cooperated with the hook.After two daughter boards of panel will be supported to fold,
Preferably, hingedly there are two support legs in supporting surface board bottom portion；The support leg includes:
Two fixing pipes being hinged on the support panel；
It is nested with fixing pipe and slides the telescoping tube of setting；
Realize the support leg locking piece being mutually located between fixing pipe and telescoping tube；
The support panel is equipped with the support leg storage space for storing the support leg.
Using the above scheme, the cart of the utility model can be deformed into desk or stool uses, at this point, can be by foot Wheel, pull rod, handle etc. are accommodated in the corresponding storage space in supporting surface board bottom portion.
Preferably, the support leg locking piece includes:
The cross bar being fixed to each other with described two fixing pipes；
The mobile bolt of two be slidably arranged in cross bar and two movable buttons, one end similar in two mobile bolts point It is not fixed with corresponding movable button, opposite facing one end can be pierced by the fixing pipe；
Described two mobile bolts, which have, is inserted into telescoping tube to realize that telescoping tube and fixing pipe are fixed to each other when being located remotely from each other The first working position, and be detached from telescoping tube the second working position.
In the utility model, cross bar is cavity structure, and both ends are fixed with fixing pipe respectively, and two mobile bolts are coaxial, right In the cavity being arranged in inside cross bar claimed.
In the utility model, anti-falling piece is equipped between the telescoping tube and fixing pipe.Anti-falling piece is generally arranged flexible The projection cube structure of tube end is typically provided the boss structure for limiting convex block in fixing pipe.
In the utility model, described two movable button bottoms are located in the cavity of cross bar, the prominent cross bar in top, with Facilitate adjustment of the external force to movable button.
Preferably, the fixing pipe bottom end is fixed with T-type pipe fitting, which is fixed in fixing pipe, and It is set in flexible pipe outer wall simultaneously and forms guide cylinder, which is pierced by fixed tube wall and corresponding cross bar One end is fixed, and the end is equipped with the pilot hole passed through for mobile bolt.
In the utility model, T-type pipe fitting is actually to turn over to turn 90 degrees setting, i.e., its horizontal segment is vertically arranged in fixing pipe It is interior, and its vertical section is horizontally disposed with (similar).T-type pipe fitting horizontal segment also plays telescoping tube while realizing fixed to cross bar To the effect of limition orientation, avoid shaking when telescoping tube telescopic moving.Pass through the pilot hole in T-type pipe fitting, it is ensured that move Dynamic bolt carries out stable movement according to direction initialization, and mobile bolt is avoided to shift.
Preferably, the telescoping tube is equipped with several groups for the flexible location hole of mobile bolt insertion.Each group is flexible fixed Position hole height is different, during telescoping tube adjustment, can be adjusted to different height as needed, then by mobile bolt with it is right It answers the flexible location hole of height to position, and then realizes the adjustment and fixation to support leg height.
It, when not in use, can be by the support leg folding and unfolding of desk and support leg storage space, further in the utility model Space is saved, meanwhile, it can be used desk as support plate.Preferably, the handle storage space, support leg storage space Etc. being arranged at supporting surface board bottom face.The use of desk is further facilitated.The use as support plate is also facilitated simultaneously.
Preferably, being hinged with reinforcement connecting rod in the fixing pipe；
Supporting surface board bottom portion is equipped with link track；
The described one end of connecting rod far from hinged end of reinforcing is sliding end, which is connected to connecting rod by pulley sliding On guide rail；
There is the connecting rod of reinforcing folding and unfolding working position and its sliding end when its sliding end is located at guide rail one end to be located at Position of organizing work when the guide rail other end；In the folding and unfolding working position, the support leg is accommodated in support leg storage space, In the position of organizing work, the support leg is deployed in supporting surface board bottom portion.
Compared with prior art, the beneficial effects of the utility model are embodied in:
The foldable multifunctional cart of the utility model can facilitate the folding and unfolding realized to push rod, while supporting panel is that can roll over Support panel can further be folded when not in use, reduce the occupied space of cart, while can be as crow by stack structure Tortoise vehicle or support plate use, and function is more comprehensive, and practicability is stronger.
The castor of the utility model is using auxiliary positioning bar, locking bar, it can be achieved that the double locking to castor, further increases Stability of the castor in the first working position or the second working position, further ensures the safety in cart use process.
The foldable multifunctional cart of the utility model, can be exchanged into desk or stool uses, and folding and unfolding is convenient, program letter It is single.Meanwhile as desk or stool in use, adjustable, the use suitable for various occasions of support leg height.
The foldable multifunctional cart of the utility model can further be folded into smaller more compact row when not in use Lee's box structure has further facilitated transport and storage, while can further facilitate user's carrying using handle.
The foldable multifunctional cart of the utility model, castor can be more convenient for the storage and transport of cart, be kept away with folding and unfolding Exempt from the damage in storage and transportational process to castor, while also facilitating and being used cart as other tools.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the foldable multifunctional cart of the utility model；
Fig. 2 is that cart shown in Fig. 1 removes the structural schematic diagram after support panel；
Fig. 3 is that castor, support leg, push rod and handle are accommodated in the structure behind supporting surface board bottom portion by cart shown in Fig. 1 Schematic diagram；In figure, push rod locating piece 120, handle locating piece 103a are disassembled；
Fig. 4 is that castor, support leg, push rod and handle are accommodated in looking up behind supporting surface board bottom portion by cart shown in Fig. 1 Structural schematic diagram；
Fig. 5 is the perspective view of Fig. 4；
Fig. 6 is the disassemblying structure schematic diagram between castor and support panel；
Fig. 7, Fig. 8 are the disassemblying structure schematic diagram of castor, caster seat and hinged seat；
Fig. 9, Figure 10 are the working state figure of auxiliary positioning bar, locking bar in caster seat；
Figure 11 is the cross-sectional view of caster seat, hinged seat after removing castor；
Figure 12, Figure 13 are respectively the disassembly diagram of locking piece C and support panel and the disassembly diagram for locking piece C；
Figure 14 is locking piece C and supports the schematic cross-sectional view of panel；
Figure 15 is the schematic cross-sectional view that locking piece C is used to lock push rod；
After Figure 16 is push rod or handle storage, the schematic perspective view in hole is connect using clamping stopple enclosed card；
After Figure 17 is push rod or handle storage, the schematic cross-sectional view in hole is connect using clamping stopple enclosed card；
Figure 18 is the schematic cross-sectional view that locking piece C is used for lock handle；
Figure 19 is the dismantling schematic diagram of push rod locating piece 120, handle locating piece 103a and support panel；
The respectively disassembly diagram of push rod locating piece of Figure 20,21 and dismantling cross-sectional view；
Figure 22 is the cross-sectional view of push rod locating piece；
Figure 23 is to support the structural schematic diagram that locating piece is stretched on panel, and snap-gauge is in an open state in figure；
Figure 24 is to support the structural schematic diagram that locating piece is stretched on panel, and snap-gauge is lock state in figure；
Figure 25 is to support the schematic cross-sectional view that locating piece is stretched on panel, and snap-gauge is lock state in figure；
Figure 26 be the utility model cart on flick part and engage button and support panel between disassembly diagram；
Figure 27 is the cross-sectional view for engaging button；
Figure 28 is the structural schematic diagram that two daughter boards of the utility model will be opened；
Figure 29 is the structural schematic diagram that two daughter boards of the utility model will be closed；
Figure 30 is that two daughter boards of the utility model fold the structural schematic diagram completed；
After the completion of Figure 31 folds for two daughter boards of the utility model, while the structural schematic diagram of handle being installed；(a) hand in Handle is plastic part；(b) handle is flexible piece in；
Figure 32 be the utility model cart on flick the disassembly diagram of part；
Figure 33 is the structural schematic diagram after the support panel expansion of the utility model；
Figure 34 is that location hook is accommodated in the structural schematic diagram in reception hole when the cart of the utility model does not splice；
Figure 35 is the corresponding schematic cross-sectional view of Figure 34；
When Figure 36 is that the cart of the utility model is spliced, location hook will after pulling out reception hole and being rotated by 90 ° The structural schematic diagram spliced；
Figure 37 is that the structure that support leg is not extended when the cart of the utility model is used as desk or stool is shown It is intended to；
Figure 38, Figure 39 are respectively the structural schematic diagram of Figure 37 support leg elongation a part and stretch value highest point；
Figure 40 is the disassembly diagram of support leg；
Figure 41, Figure 42 are respectively the structural schematic diagram that two mobile bolts are in the first working position and the second working position；
Figure 43 and Figure 44 is the structural schematic diagram and practical structures schematic diagram reinforced connecting rod and be in folding and unfolding working position；
Figure 45 is the structural schematic diagram for reinforcing the switching state that connecting rod is between folding and unfolding working position and position of organizing work；
Figure 46 is Figure 45 practical structures schematic diagram；
Figure 47, Figure 48 are respectively the structural schematic diagram and practical structures schematic diagram reinforced connecting rod and be in position of organizing work；
Figure 49 is support leg elongation a part, and two mobile bolts are in the structural schematic diagram of the second working position；
Figure 50 is support leg elongation a part, and two mobile bolts are in the structural schematic diagram of the first working position；
Figure 51 is the spliced structural schematic diagram of cart (without push rod) of the utility model；
Figure 52 is the spliced structural schematic diagram of cart (band push rod) of the utility model；
Figure 53 is the enlarged drawing and its cooperation figure between locking piece C of plastic handle；
Figure 54 is the disassembly diagram of flexible handle.
Specific embodiment
The utility model is described further with reference to the accompanying drawings:
Fig. 1 is the general usage state diagram of cart, and Fig. 2 is that Fig. 1 removes the structure chart after support panel: one kind is multi-functional to be pushed away Vehicle, including support panel 100, push rod 101 and four castors 102 that support 100 bottom of panel is arranged in；Simultaneously further include The handle 103 that support panel 100 is convenient for carrying after folding and two support legs 104 set on support 100 bottom of panel.
It referring to Fig. 3 and Fig. 4 and Fig. 5, supports panel 100 while playing load-bearing effect, also provides and pushed away for storing The push rod storage space of bar 101, and the handle storage space for storing handle 103, while additionally providing for storing foot The castor storage space and support leg storage space for storing support leg 104 of wheel 102；In addition, being additionally provided with for accommodating card Connect the clamping stopple accommodation space of stopple 118.And push rod storage space, handle storage space and castor storage space, support Foot storage space, connect stopple accommodation space be arranged at support 100 bottom of panel.Clamping there are two being set at the top of support panel 100 Hole 106 and four groups are distributed in the handrail location hole 100-2 of the four corners of support 100 top surface of panel.
The cart support panel of the utility model can fix conventional cart handrail.Pass through above-mentioned handrail location hole 100- 2 can install handrail in the front-end and back-end of support panel 100.
We introduce the structure of castor first:
As shown in Fig. 6-Figure 11: support 100 bottom of panel is equipped with the castor installation space 100-5 for installing the castor 102, The castor top surface installation space 100-5 is equipped with location rib 100-6.Hinged seat 146, hinged seat are installed in castor installation space 146 bottoms, which are equipped with, cooperates positioning groove with location rib, and house hinged seat shifts.It is equipped in hinged seat 146 for installing The installation cavity of caster seat 147 and installation cavity for installation foot wheel locking piece；Hinged seat 146 is equipped with installation hole location, passes through Bolt etc. is mounted on support panel 100.Castor 102 is transferred on caster seat 147, is connect at the top of the caster seat with caster axle, real Now to the installation of castor.
Referring to figs. 7 and 8, for convenience of installing, 147 one end bolt of caster seat is fixed with end plate 147-1, and end plate 147-1 is set There is one to be used for the hinge hole and lock hole 148 hinged with hinged seat 146.Lock hole 148 is three, three lock hole distances Hinge hole center is equidistant, and the line of three lock holes and hinge hole forms 90 degree of right angles, and wherein the two of two sides lock The center for determining the line in hole is hinge hole, and the perpendicular bisector of the line passes through another lock hole.Lock hole uses above-mentioned cloth Mode is set, so that caster seat is in a vertical state or after turning over and turning 90 degrees, there are two lock holes and two locking levels to just always. It is equipped in caster seat 147 simultaneously with hinge hole and lock hole coaxially to positive through-hole structure 147-3, is equipped with three in through-hole structure A auxiliary positioning bar 148-3, intermediate through-hole structure (with hinge hole to positive through-hole structure) is interior to be equipped with articulated shaft 149, auxiliary Help locating rod 148-3 that can move back and forth in the corresponding through-hole structure of lock hole axially.There are two being set simultaneously on hinged seat 146 With the auxiliary positioning hole 146-1 of lock hole coaxial arrangement.Two auxiliary positioning hole 146-1 are coaxially disposed with two locking bars simultaneously, And opposite support face plate is fixed, and will not be overturn and be moved with castor.It is fixed that three auxiliary positioning bar 148-3 outer walls are equipped with auxiliary simultaneously Position platform 148-4 is equipped with caster seat positioning table 147-2 in the through-hole structure in caster seat 147 simultaneously.Three auxiliary positioning bar 148- 3 outer walls are arranged with spring-assisted reduction 148-4.Spring-assisted reduction 148-4 setting is fixed in auxiliary positioning platform 148-4, caster seat Between the platform 147-2 of position, for promoting auxiliary positioning bar 148-3 to restore rapidly to release working position.
Above-mentioned castor 102 have stretch out support panel and with vertically disposed first working position of support panel, and Equivalent the second working position being retractable in the castor storage space；Matched, there are two working positions for auxiliary positioning bar tool, divide Not are as follows: when the castor is located at the first working position or the second working position, first end is inserted into corresponding auxiliary positioning hole, and second end is de- Locking working position from lock hole；And in castor between the first working position and the second working position in conversion process, first end It is detached from corresponding auxiliary positioning hole, second end is inserted into the release working position of lock hole；It is located at locking in the auxiliary positioning bar simultaneously When working position, the locking bar is inserted into lock hole simultaneously, realizes Dual positioning.It is located at release work in the auxiliary positioning bar When position, locking bar exits lock hole, and auxiliary positioning bar is inserted into lock hole, and caster seat is in free state, and castor can turn with caster seat It moves to the first working position or the second working position.
Caster seat is hingedly installed by articulated shaft 149 with hinged seat, and caster seat 147 can be synchronous along articulated shaft with castor 102 Overturning.In castor 102 in the first working position or the second working position, two of them lock hole site and two following locking bars 152 pairs just.Hinged seat is equipped with the avoid holes for being same as avoiding the locking bar.It is arranged with vertical direction on articulated shaft 149 and resets torsion Spring 150.Hinged seat is equipped with the hole bit architecture for reduction torsion spring 150 to be fixedly mounted, and realization is facilitated to determine reduction torsion spring 150 Position.
The castor lock that castor is maintained at the first working position or is maintained at the second working position is installed simultaneously on support panel Determine part.Castor locking piece is to be slidably arranged in hinged seat for the slide 151 in the installation cavity of installation foot wheel locking piece, the cunning The side of seat face hinged seat is set there are two locking bar 152, and the hinged seat is equipped with the avoid holes 153 for avoiding the locking bar, institute Face locking bar is needed to be arranged with avoid holes 153, avoid holes 153 are also possible to one piece of evacuation region.Castor 102 is from the first working position The second working position needs are transformed into be rotated by 90 °；In the second working position or the first working position, two lockings in three lock holes Hole and two locking bar positions are completely to just, and described two locking bars are inserted into realizing positioning in corresponding lock hole at this time.
Articulated shaft 149 crosses hinged seat intermediate bulkhead, eventually passes through slide 151, and articulated shaft plays slide 151 lead simultaneously To effect.It is equipped with thrust spring 154 between slide 151 and support panel 100, for promoting slide 151 to hinged seat direction It is mobile.
Further, two lock holes are located across on the straight line at hinge hole center in three lock holes 148, and are symmetrically set It sets, the two lock holes are respectively designated as the first lock hole, the second lock hole, another lock hole 148 is located at the first locking Between hole, the second lock hole, it is named as third lock hole, the first lock hole, the second lock hole and lower third lock hole distance are cut with scissors It connects hole to be equidistant, the line between the first lock hole, the second lock hole is vertical with the line of hinge hole with third lock hole. Three lock holes 148 can be rotated with the rotation of castor.In the first working position, the first lock hole and third lock hole and two Locking bar aligns；In the second working position, position when third lock hole is transformed into the first working position where the first lock hole, Position when second lock hole is transformed into the first working position where third lock hole, third lock hole and the second lock hole and two Locking bar is to just.In actual use, two adjacent in three lock holes 148 when castor is in the first working position, the second working position Lock hole and two locking levels are to just, and when discharging slide 151, slide 151 can be under 154 thrust of thrust spring, so that two A locking bar 152 is inserted into corresponding two lock holes, while the corresponding end of auxiliary positioning bar is released above-mentioned two lock hole, auxiliary It helps the other end of locating rod then while being inserted into and be arranged on hinged seat in corresponding auxiliary positioning hole, by locking level to lock hole Positioning to auxiliary positioning bar of positioning and auxiliary positioning hole, realize the Dual positioning to castor.
When needing castor to convert between the first working position and the second working position, need slide 151 with external force to remote It is mobile from corresponding castor direction, until two locking bars 152 exit lock hole, caster seat 147 is discharged, auxiliary positioning bar is multiple in auxiliary Position spring effect is lower to be detached from auxiliary positioning hole 146-1, and caster seat 147 is free to rotate at this time, and caster seat 147 is rotated to be level Direction or vertical direction in place after, discharge slide 151, slide 151 is inserted into corresponding lock under the thrust of thrust spring 154 Determine in hole, realizes the positioning to caster seat 147 again.
In the utility model, two or whole optional universal wheels in four castors.And the quantity of castor can also root Adjusted according to actual needs, for example three or more can be set etc..
The structure and fixed form of push rod is described below:
Referring to Fig. 1, Figure 15, the telescopic putter structure in conventional luggage case is can be used in push rod 101, and 101 bottom of push rod is set There is push rod location hole 105.
Referring to shown in Figure 12, Figure 13, Figure 14 and Figure 15, supporting 100 top surface of panel to set, there are two blocked hole 106, blocked holes 106 bottoms are equipped with bolt avoid holes 107.In support 100 bottom of panel, position corresponding with blocked hole, i.e. in two blocked holes Between be equipped with pedestal installation space 108, locking piece C, locking piece C packet are fixedly installed with by screw etc. in pedestal installation space 108 Include pedestal 109, movable block 110, bolt 111 etc..Pedestal 109 is installed in pedestal installation space 108, is equipped with and is slided in pedestal 109 Slot and cavity structure, being slidably installed in sliding slot, there are two movable blocks 110.The position corresponding with two avoid holes 107 of pedestal 109, There are two bolts 111 for sliding setting respectively.It is fixed simultaneously on pedestal 109 there are two the sleeve 112 for being set in 111 outside of bolt, Bolt 111 can be moved along 112 axial reciprocating of sleeve.Two sleeves play guiding and stabilization to bolt 111 simultaneously, avoid Shaking is generated in bolt reciprocating movement.Two bolts 111 are coaxially disposed, and pedestal is stretched out in the one end being located remotely from each other, and can be worn 105 grafting of push rod location hole corresponding with push rod 101 of avoid holes 107 is crossed, realizes the stationary positioned to push rod 101, two bolts 111 one end close to each other are fixed with corresponding movable block.Two 110 sides of movable block are fixed with movable block gag lever post simultaneously 113, the corresponding position of 109 side wall of pedestal is equipped with the movable block limit hole 114 of bar shaped, and movable block gag lever post 113 is inserted into movable block It in limit hole 114, can be moved back and forth along movable block limit hole 114, movable block limit hole 114 and movable block gag lever post 113 match It closes, realizes the restriction to two extreme positions of movable block.
, can be by 101 folding and unfolding of push rod in push rod storage space when not needing push rod 101 such as Figure 16, while utilizing clamping Stopple 118 will be clamped hole plug.At this point, castor 102 further can also be accommodated in castor storage space, as in Figure 3-5.
Push rod 101 can be realized by blocked hole 106 and bolt 111 and is supported relatively fixed between panel 100.In movement Under the drive of block 110, bolt 111, which has, protrudes into the first working position that blocked hole can cooperate realization to position with push rod location hole 105, And the second working position of push rod 101 is discharged after shrinking；Bolt reset spring 115 is installed between two movable blocks 110, is being inserted It sells under the elastic force effect of reset spring 115, two bolts 111 can be driven to reach the first working position rapidly.
As shown in Figure 14 and Figure 15, in actual use, it when needing using push rod 101, needs push rod 101 from supporting surface Push rod 101 is taken out in the push rod storage space in board bottom portion；Then movable block 110 is pressed inward against, two movable blocks 110 mutually lean on Closely, two 111 synchronizing movings of bolt, until being detached from blocked hole 106；At this point, 101 bottom of push rod is inserted into blocked hole, insert After being connected to position, the push rod location hole 105 and bolt 111 of push rod bottom exist to two movable blocks 110, two movable blocks just, are discharged It under the pulling force effect of bolt reset spring 115, is located remotely from each other, is inserted into 101 bottom of push rod also cross the avoid holes of blocked hole Push rod location hole 105 in.It is acted on by the Dual positioning of bolt 111 and blocked hole hole wall, 101 opposite support face plate of push rod 100 is relatively fixed, and push rod 101 can normal use.
As shown in Figure 17 and Figure 18, in the present embodiment, handle 103 (Figure 18) and clamping stopple 118 (Figure 17) can also pass through Blocked hole 106 and locking piece C are fixed on supporting surface plate top surface.Likewise, handle 103 is equipped with handle location hole 117；Blocked hole It fills in 118 bottom surfaces and is equipped with clamping stopple location hole 119, the function and push rod of handle location hole 117 and clamping stopple location hole 119 are fixed Position hole 105 function is similar, when handle or clamping stopple insertion blocked hole 106 in place after, handle location hole 117 and clamping stopple are fixed To just, the fixation to handle and clamping stopple is can be realized in release bolt 111 for position hole 119 and above-mentioned bolt 111.Pass through card of jumping a queue After connecing stopple 118, clamping 118 top surface of stopple and support 100 either flush of panel guarantee the whole integrality of support panel 100
As shown in figure 3, when push rod 101 and handle 103 and being clamped stopple 118 when not in use, corresponding receipts can be accommodated in It receives in space.Push rod 101 is located in push rod storage space by push rod locating piece 120.Handle 103 passes through handle locating piece 103a is located in handle storage space.The clamping engaging of stopple 118 is located in blocked hole fork clip seat 121.
As shown in Figure 19, Figure 20, Figure 21 and Figure 22, the push rod locating piece 120 and handle of support 100 bottom of panel are set Locating piece 103a structure is similar, or identical structure can be used, and positioning principle is identical, by taking the storage of push rod positioning as an example Be further described: push rod locating piece includes: that support 100 bottom surface of panel and the installation bottom with square hole structure 122 is arranged in Seat 123；123 bottom of mounting seat is equipped with guide post 126；126 end face center of guide post is equipped with screw hole；Pressing plate 124 and locating rod 125.Pressing plate 124 includes mainly plate body part 130 and main part, and plate body part 130 is mainly used for push rod being pressed on push rod In storage space, the installation that main part is mainly used for pressing plate entirety is fixed.124 main part of pressing plate is equipped with the sky being connected to up and down Chamber, the bottom of 124 main part of pressing plate are equipped with the canister portion 132 for being set in 126 outside of guide post and sliding setting；Pressing plate 124 is main It is equipped with baffle ring 128 in the middle part of body portion cavity, the avoid holes of evacuation locating rod 125 are equipped in the middle part of baffle ring；125 top of locating rod is equipped with Diameter is greater than the head 129 in avoid holes aperture, and the setting on head 129 prevents locating rod 125 to be detached from pressing plate.125 bottom of locating rod Avoid holes across baffle ring are fixed with the screw hole in mounting seat 123.Outer wall of the locating rod 125 close to head is arranged with multiple Position spring 127,127 top of reset spring offset with 129 bottom surface of head, and 127 bottom end of reset spring offsets with 128 top surface of baffle ring, After pressing plate above mentions, the elastic force being pressed downward is formed to pressing plate 124 and is acted on, promotes pressing plate 124 quickly to move down, replys initial shape State.132 top exterior walls of canister portion of pressing plate 124 are equipped with the rectangular limiting stand 131 cooperated with square hole structure 122, and limiting stand 131 is set It sets, so that pressing plate 124 is no longer able to be freely rotated when limiting stand 131 protrudes into square hole structure 122, is only capable of under external force Carry out axial movement.
In actual use, when needing to store push rod 101, push rod 101 is fixed in push rod storage space first, then Pressing plate 124 is lifted, rectangular limiting stand 131 is detached from square hole structure 122, and pressing plate 124 is free to rotate, and pressing plate 124 is rotated 90 Degree, is pressed on push rod, then discharges pressing plate 124, and under the effect of reset spring 127, pressing plate 124 bounces back, while pushing down push rod, Rectangular limiting stand 131 extend into square hole and can no longer be freely rotated, and realizes and positions to push rod.When needing to take out push rod, mistake Journey is similar, it is necessary first to pressing plate 124 is pulled up, the state so that pressing plate 124 affranchises, and 90 degree of rotary pressure plates 124, until push rod is no longer Compression plate 124 constrains, and can be taken off push rod at this time, while pressing plate bounces back to initial position.
As shown in Fig. 3, Fig. 4 and Fig. 5 and Figure 23-26, support panel 100 is foldable structure, by two to be hinged Daughter board composition, two daughter boards are mutually joined by articulated shaft and hinged seat；It is equipped with simultaneously on support panel 100 and determines two daughter boards Position folding locating piece in a folded configuration, and the stretching, extension locating piece two daughter boards being located under horizontal stretching state.Together When, support 100 bottom of panel, which is additionally provided with, flicks part 135.
Referring also to Figure 12, folding locating piece includes the hook being disposed therein on one piece of daughter board far from hinge position side 133 and it is arranged on another daughter board and is formed far from hinge position side with the engaging button 134 of hook cooperation.Hook 133 are arranged on the pedestal 109 on push rod locking piece C, and the two is integrated setting, can be with one-pass molding when processing.
As shown in figure 27, engaging button 134 is disposed therein the side of a daughter board, including protrusion support panel 100 1 The bayonet 137 that engaging 134 side of button is arranged in, leading for engaging 134 other side of button is arranged in the press-side 136 of side side To axis 138, the push-button reset spring 139 being set on guiding axis 138, engaging button 134 is equipped with back to the other side of bayonet and leads Xiang Kong, support panel 100 are equipped with the guide rod 140 being threaded through in pilot hole.Panel 100 is supported to be equipped with installation engaging button 134 space is equipped with the button avoid holes of evacuation press-side 136 in support 100 side of panel.Support 100 bottom of panel is equipped with Mounting plate 141, the limit hole passed through for 138 free end of guiding axis on mounting plate 141,139 one end of push-button reset spring and installation 141 inner wall of plate offsets, and the other end offsets with button 134 is engaged, and when pressing fastened button 134, push-button reset spring 139 compresses, Form the elastic force for promoting to engage 134 homing of button.Guiding axis 138 is for guaranteeing that engaging button is back and forth moved according to direction initialization It is dynamic.Guide rod 140 and the pilot hole of its cooperation are used to limit the extreme position of engaging button operation.And the setting of limit hole, it uses It is moved back and forth in guarantee guiding axis 138 along axial stablize, avoids shifting and shake.
Such as Figure 28~31, push rod, castor etc. are accommodated in supporting surface board bottom portion at this time, when two daughter board B foldings fold Behind position, the hook portion of hook 133 is concordant with the bayonet for engaging button 134, release button reset spring 139, in push-button reset spring Under 139 thrust, the hook portion of hook 133 be caught in engaging button 134 bayonet in, engage button 134 by hook 133 tightly Card jail, realizes the fixation to two daughter boards.Before being folded, handle 103 can be inserted into blocked hole, when two daughter board B have been folded Cheng Hou, entire cart form the structure of luggage case, as shown in figure 31, wherein handle is plastic part in (a), (b) in handle be soft Property part, such as can be using the preferable cloth of toughness or rubber etc..
If Figure 53 is the structure chart that handle is plastic part, handle 103 includes the handhold part 116a on top and is hinged on hand The hinge bar 116b of the portion bottom 116a is mentioned, the bottom hinge bar 116b is equipped with handle location hole 117.As shown in figure 54, handle is soft When property part, 103 both ends bottom of handle is fixed on locating piece 117a by screw 116c and pressing plate 116d, the handle location hole 117 are arranged on locating piece 117a.
With reference to Figure 32, supports and be equipped with the mounting hole 173 that installation flicks part on panel 100 simultaneously；Flicking part 135 includes sliding The elastomer 142 that is arranged in mounting hole is arranged between 142 bottom of elastomer and mounting hole bottom hole and flicks part reset spring 143.142 bottom of elastomer is cavity structure, flicks and is located in the cavity structure at the top of part reset spring 143.Outside elastomer 142 Two symmetrical sides of wall are equipped with guiding groove 142a, and two guiding bottom portion of groove, which are equipped with, flicks part limiting stand 142-1；Mounting hole 173 Symmetrical two sides side has been bolted limit cover board 174, and the side of limit cover board 174 towards guiding groove 142a hair has It is on the one hand realized by guiding groove 142a and limit cover board 174 to elasticity with the guiding consistent moulding surface structure of groove 142a The guiding of body 142, while realizing the installation to elastomer 142.
Elastomer 142 is generally column structure, and in the initial state, elastomer 142 is flicking 143 elastic force of part reset spring Lower protrusion support 100 bottom plane of panel of effect.
As shown in figure 33, the hinged side of two daughter boards is additionally provided with corresponding and mutually matched convex block 166 and 167 knot of card slot Structure, convex block 166 and card slot 167 are arranged in groups, and in every group of convex block 166 and card slot 167, convex block 166 and card slot 167 are separately positioned on On different daughter boards.Multiple groups convex block 166 and card slot 167 can be symmetrical arranged and (be symmetrical arranged with articulated shaft middle vertical plane).Convex block 166 It cooperates with card slot 167, after support panel is stretched over position, corresponding convex block 166 is inserted into corresponding card slot, avoids son Plate stretches transition, guarantees entire support panel for the setting of horizontal plate face.Meanwhile (" luggage is formed after two daughter boards fold into position Case "), multiple convex blocks 166 can be used as the supporting leg of " luggage case " again, avoids folded trolley from toppling over, facilitates storage.It is above-mentioned convex Block 166 and 167 structure of card slot constitute one of stretching, extension locating piece.
Such as Figure 23-25, meanwhile, in the side that two daughter boards are hinged, two daughter boards are maintained at water equipped with another The stretching, extension locating piece 168 of flat extended state.The side wall that two daughter board B are connected to each other the one end of (hinged side) is equipped with to positive flange 175；Stretching, extension locating piece is the snap-gauge 176 for being hinged on a daughter board side, which is equipped with convex for locking two daughter boards The fore shaft 177 of edge.Snap-gauge can be rotated along its articulated shaft, have the storage position (such as Figure 23) for being retractable in one of daughter board side, And the locking bit (such as Figure 24 and Figure 25) on the flange on described two daughter boards is fastened on after rotation 180 degree.Snap-gauge can also be made Locating piece is stretched for another structure to position two daughter boards after expansion.
The stretching, extension locating piece of above two structure can individually select one of which, can also use simultaneously, the present embodiment In two kinds of stretching, extension locating pieces use simultaneously.Under the collective effect of convex block 166 and card slot 167 and snap-gauge 176, two daughter board B Stable is in unfolded state, will not voluntarily deform.With reference to Figure 28~31, in actual use, two daughter boards are folded, so that two The bottom surface of a daughter board mutually draw close until fitting, and force flicks part 135 contraction, until one of daughter board hook 133 with The engaging button 134 of another daughter board is directed at engaging, and hook 133 is fastened in the bayonet 137 of engaging button 134 at this time.When When needing to open, pressing fastened button 134 discharges hook 133, and on flicking part 135 under bullet effect, daughter board above is flicked, Two daughter boards are opened.After two daughter boards are opened to position, the mutually card jail of convex block 166 and card slot 167 thereon, daughter board cannot be into one Step overturning, opens snap-gauge 176, so that the fore shaft 177 of snap-gauge 176 is fastened on the flange on described two daughter boards, most at this time The positioning to two daughter boards is realized eventually.In addition, snap-gauge 176 is equipped with guiding groove, adjacent daughter board is equipped with positioning protrusion, card In locking bit, guiding groove is fastened in positioning protrusion plate 176, is realized by positioning protrusion and positioning groove to snap-gauge 176 guiding and positioning.
Such as Figure 34-36, the cart in the utility model is sliceable structure.Supporting panel to be equipped with can be by multiple support The splicing locating piece of panel splicing, the splicing locating piece include that supporting surface plate top surface is arranged in by the pairs of of the position of proximal edge The hinge hole 170 and reception hole 169 of setting, and the positioning for being able to carry out axial movement in hinge hole and circumferentially rotating is set Hook 172；It in addition is additionally provided with location hole on support panel 100 simultaneously, when needing to splice, supports the reception hole on panel to be used as fixed Position hole uses.Location hook axial direction reset spring 178 and axial anti-falling piece are equipped in hinge hole.Location hook axial direction reset spring is set It sets, after discharging location hook, location hook can be promoted to quickly enter reception hole or positioning hole, and location hook is avoided voluntarily to fall off Reception hole or location hole out.Axial anti-falling piece is the positioning protrusion that location hook bottom is arranged in, and is equipped with limit in the hinge hole The positioning convex platform of positioning protrusion processed.After there is location hook hook portion to be accommodated in the storage working position in the reception hole, and rotation Hook portion is inserted into the installment work position that location hole on adjacent supports panel realizes two support panel positioning.When needing to splice, than When such as needing to splice support panel A and support panel B, process are as follows: the location hook of panel A can will be supported to pull out, until location hook It is detached from reception hole (such as Figure 36), then 90 degree of rotational positioning hook, the corresponding receipts of location hook alignment support panel B after guaranteeing rotation It receives hole, discharges location hook, in the reception hole of location hook insertion support panel B, realize the positioning between two carts.Support panel Generally rectangular cross-section structure, in rectangular configuration top surface, by the position of proximal edges, to be generally respectively provided with two groups or more above-mentioned at one 172 structure of hinge hole 170, reception hole 169 and location hook on panel is supported, in order to realize the splicing of multiple support panels.Figure 51 and Figure 52 is spliced structure chart.
As shown in Figure 37-39 and Figure 40, hingedly there are two support legs 104 in supporting surface board bottom portion；Support leg includes: to be hinged on Two fixing pipes 156 on the support panel；Be nested the telescoping tube 157 of setting with fixing pipe, and 157 bottom end of telescoping tube is inserted into It is sliding setting between the telescoping tube and fixing pipe in fixing pipe 156；Realize the branch being mutually located between fixing pipe and telescoping tube Support foot locking piece.Settable anti-falling piece between telescoping tube and fixing pipe avoids telescoping tube from being detached from fixing pipe.
As shown in Figure 40-48, support leg locking piece includes: the cross bar 158 being fixed to each other with described two fixing pipes；Sliding The mobile bolt 159 of two be arranged in cross bar and two movable buttons 160.Cross bar is fixed on fixation by T-type pipe fitting 158a Guan Shang, T-type pipe fitting one end is horizontally disposed, which is equipped with the through-hole passed through for mobile bolt 159, while cross bar and the end outer wall are solid It is fixed；The other both ends of T-type pipe fitting are vertically arranged and fix with fixing pipe, and are set in flexible pipe outer wall, play limit to telescoping tube The effect of position guiding, avoids shaking when telescoping tube telescopic moving.What cross bar 158 was fixed by two by screw or bolt Housing combination forms, and centre is cavity structure, and the shell of cross bar 158 is equipped with the tune exposed for the pressing position of movable button Knothole.Two mobile bolts coaxial arrangements, two mobile bolts to back to one end can be pierced by fixing pipe 156 and be inserted into turn and stretch In the draw, for being mutually located for fixing pipe and telescoping tube.Two mobile bolt one end close to each other respectively with corresponding shifting Dynamic button is fixed.Adjustment hole on at least a part of prominent cross bar 158 of two movable buttons 160, passes through the part of the protrusion External force can be applied on movable button, may be implemented to pass through the adjustment of mobile snibbing position simultaneously by pressing movable button Adjustment hole can limit the moving limit position of movable button.Two mobile bolts have insertion telescoping tube when being located remotely from each other First working position, and it is detached from the second working position of telescoping tube；It further include the reset bullet for promoting two mobile bolts to be located remotely from each other Spring 161,161 one end of reset spring offset with the block that mobile bolt is arranged in, the other end and the block phase being arranged in cross bar It supports, for promoting mobile bolt to reach the first working position rapidly；The telescoping tube is equipped with one or more fixed for mobile bolt The flexible location hole 162 of position.Fixing pipe 156 is hinged with close to the part of support panel reinforces connecting rod 179；Supporting surface board bottom portion is set There is link track 180；Reinforcing the one end of connecting rod 179 far from hinged end is sliding end, which passes through a pulley 181 sliding card It connects on link track；Reinforce connecting rod with the folding and unfolding working position and its sliding end when its sliding end is located at guide rail one end Position of organizing work when positioned at the guide rail other end；In the folding and unfolding working position, it is empty that the support leg is accommodated in support leg storage In, in the position of organizing work, the support leg is deployed in supporting surface board bottom portion.
Such as Figure 43-48, when needing to be used as desk or stool in use, support panel can be accommodated in for knob or handle etc. In corresponding storage space.Figure 43 and Figure 44 is that support leg 104 is retractable in the state diagram in the accommodation space in supporting surface board bottom portion, Reinforce connecting rod at this time and is in folding and unfolding working position；As shown in Figure 45 and 46, when needing as stool or desk in use, can will support Foot 104 is overturn, and reinforces connecting rod cooperation rotation at this time, and pulley 181 is slided along link track, until it is moved to the other end from one end, As shown in Figure 47 and Figure 48；Complete the adjustment of support leg 104.
Such as Figure 37-39 and Figure 41, Figure 42 and Figure 49 and Figure 50, when needing to adjust the height of support leg, can first to Interior pressing movable button (such as Figure 42), so that mobile bolt discharges telescoping tube, telescoping tube is in free extension state at this time, stretches Then telescoping tube discharges movable button, so that mobile bolt is inserted into corresponding flexible location hole 162, in fact to height appropriate The fixation of the relatively fixed pipe of existing telescoping tube, that is, complete (to be adjustment section see Figure 50 and Figure 38 and Figure 39, Figure 38 to the adjustment of support leg Schematic diagram after dividing height, Figure 39 is schematic diagram when being adjusted to maximum height).
In the utility model, support panel can perhaps injection structure passes through blow molding or Shooting Technique, shape for integral blow At required thereon various storage spaces or structure.In the utility model, in four castors two or all may be selected Universal wheel.And the quantity of castor can also adjust according to actual needs, for example three or more can be set etc..
The multi-purpose wheelbarrow of the utility model can be used as following product and use:
The first, it can be used as cart use, as shown in Figure 1, and can be by the cart of multiple carts formation larger capacity after assembled It uses, as shown in figure 52.Alternatively, handle can be changed to push rod, be transformed to pull a cart using.
The second, after all member storages, it can be used as fixed support panel and use, it is moisture-proof and more for the storage of article Add sanitation and hygiene, as in Figure 3-5；It is also possible to which castor is unfolded, used as moveable support panel, such as Figure 16 It is shown；In addition can be by multiple fixations or mobile support panel splicings, the support panel for forming larger capacity uses, such as Shown in Figure 51.
Support leg after storing handle, push rod, can be unfolded, use as desk or stool by third, convenient for users to stopping Breath, or can also be used for storage article, as shown in figs. 37-39.
4th, when not in use, in order to facilitate the carrying of trolley and transport, support panel can be folded, is formed smaller Structure, while can avoid in transport or carrying process, the damage to storage member.In addition, supporting surface can be fixed on handle In the blocked hole of plate, carrying is further facilitated.As shown in figure 31.
In addition, the distressed structure as the utility model, it is hinged to can be used a variety of articulated manners between two daughter boards, such as An articulated shaft can be used；Simultaneously be arranged on two daughter boards one or more hinge holes or by daughter board with hinge hole Orifice plate is fixed；Or multiple short articulated shafts can be used, it is realized by multiple short articulated shafts and connects the hinged of a daughter board.

Claims (22)

1. a kind of foldable multifunctional cart, including supporting panel and the castor in supporting surface board bottom portion being arranged in, which is characterized in that The support panel is folding structure；The support panel is equipped with the castor storage space for storing the castor；The foot Wheel by hinged seat be mounted on support panel on, the castor have expansion after with support vertically arranged first working position of panel, And folding and retraction is in the second working position in the castor storage space；It is equipped with simultaneously on the support panel and protects castor Hold in the first working position or be maintained at the castor locking piece of the second working position.
2. foldable multifunctional cart according to claim 1, which is characterized in that further include the castor for installing the castor Seat, the caster seat are equipped with for the hinge hole and lock hole hinged with hinged seat；
The castor locking piece is the slide being slidably arranged on support panel, which is equipped at least towards the side of lock hole One locking bar, and the slide can be moved along locking bar axial reciprocating；
The lock hole is at least two, and when the castor is in the first working position or the second working position, at least one A lock hole and the locking bar face；
When the castor is located at the first working position or the second working position, realize in the lock hole of the locking bar insertion face to castor Positioning；For the castor between the first working position and the second working position in handoff procedure, the locking bar is detached from corresponding locking Hole.
3. foldable multifunctional cart according to claim 2, which is characterized in that the hinged seat is equipped with same with the locking bar The auxiliary positioning hole of axis setting；
It is equipped in the caster seat and is coaxially disposed and auxiliary positioning bar, auxiliary can be determined in axial sliding with the lock hole Position bar is between lock hole and auxiliary positioning hole, and there are two working positions for auxiliary positioning bar tool, is respectively as follows:
When the castor is located at the first working position or the second working position, under locking bar promotion, first end insertion correspondence is auxiliary Location hole is helped, second end is detached from the locking working position of corresponding lock hole；
And in castor between the first working position and the second working position in conversion process, first end is detached from corresponding auxiliary positioning Hole, second end are inserted into the release working position of corresponding lock hole.
4. foldable multifunctional cart according to claim 3, which is characterized in that the lock hole and auxiliary positioning bar are at least Three groups, the auxiliary positioning hole and the lock hole at least two groups；
And when the castor is in the first working position or the second working position, at least two groups of lock holes and auxiliary positioning bar and institute State locking bar face.
5. the foldable multifunctional cart according to Claims 2 or 3, which is characterized in that the caster seat and the hinged seat it Between articulated shaft extend caster seat towards one end of slide and form extended segment, the slide coaxially slide is threaded through the extended segment On.
6. foldable multifunctional cart according to claim 5, which is characterized in that be equipped in the hinged seat for installing castor The caster seat installation cavity and slide installation cavity for installing slide of seat, the partition between two installation cavitys are equipped with evacuation institute State the articulated shaft avoid holes of articulated shaft.
7. foldable multifunctional cart according to claim 3, which is characterized in that the caster seat is along auxiliary positioning bar axial direction One end is equipped with end plate, which is equipped with the lock hole；The auxiliary positioning bar is set close to one end outer wall of lock hole There is auxiliary positioning platform, when the auxiliary positioning bar is located at release working position, the auxiliary positioning platform side and the end plate inwall It offsets；The spring-assisted reduction for promoting it to restore release working position, the spring-assisted reduction are arranged on the auxiliary positioning bar The other side of the both ends respectively with the caster seat positioning table, the auxiliary positioning platform that are arranged in caster seat offset.
8. according to claim 1 or the 3 foldable multifunctional carts, which is characterized in that further include push rod, which is detachable Structure；The support panel is equipped with the push rod storage space for storing the push rod, and push rod is located in push rod and is received The push rod locating piece received in space；Blocked hole is equipped on the support panel simultaneously, and push rod can be fixed in blocked hole Push rod locking piece.
9. foldable multifunctional cart according to claim 8, which is characterized in that the push rod locking piece includes:
The pedestal being fixed on support panel；
Two movable blocks being slidably arranged in pedestal；
Be slidably arranged in the bolts of two on pedestal coaxial arrangements, two bolts back to the extended pedestal insertion in one end described in In blocked hole, the other end is fixed with corresponding movable block；
The push rod bottom is equipped with the push rod location hole that can cooperate with the bolt extension end；
Under the drive of movable block, the bolt, which has to protrude into blocked hole and can cooperate with the push rod location hole, realizes the of positioning One working position, and the second working position of the push rod is discharged after shrinking.
10. foldable multifunctional cart according to claim 9, which is characterized in that be equipped with and drive between described two movable blocks The separate bolt reset spring of two movable blocks.
11. foldable multifunctional cart according to claim 8, which is characterized in that further include handle, which is detachable knot Structure；The support panel is equipped with the handle storage space for storing the handle, and handle is located in handle storage Handle locating piece in space；The handle can be fixed in the blocked hole by the push rod locking piece.
12. according to claim 1 or the 3 foldable multifunctional carts, which is characterized in that the support panel is by being hinged Two sub- board groups at；It is equipped with simultaneously on the support panel and two daughter boards is located in the folding locating piece under folded state, with And two daughter boards are located in the stretching, extension locating piece under horizontal stretching state.
13. foldable multifunctional cart according to claim 12, which is characterized in that one end that described two daughter boards are connected to each other Side wall is equipped with to positive flange；The stretching, extension locating piece is the snap-gauge for being hinged on a daughter board side, which is equipped with For locking the fore shaft of two sub- plate flanges.
14. foldable multifunctional cart according to claim 12, which is characterized in that further include handle, which is detachable Structure；The support panel is equipped with the handle storage space for storing the handle, and handle is located in handle and is received The handle locating piece received in space；Blocked hole is equipped on the support panel simultaneously, and handle can be fixed in blocked hole Handle locking part.
15. the 4 foldable multifunctional cart according to claim 1, which is characterized in that the handle locking part includes:
The pedestal being fixed on support panel；
Two movable blocks being slidably arranged in pedestal；
Be slidably arranged in the bolts of two on pedestal coaxial arrangements, two bolts back to the extended pedestal insertion in one end described in In blocked hole, the other end is fixed with corresponding movable block；
The handle base is equipped with the handle location hole that can cooperate with the bolt extension end；
Under the drive of movable block, the bolt, which has to protrude into blocked hole and can cooperate with the handle location hole, realizes the of positioning One working position, and the second working position of the handle is discharged after shrinking.
16. foldable multifunctional cart according to claim 12, which is characterized in that the folding locating piece includes being arranged at it In hook on one piece of daughter board far from hinge position side and be arranged on another daughter board far from hinge position side with card The engaging button composition of cooperation is hooked, the engaging button is equipped with the bayonet arrangement cooperated with the hook.
17. according to claim 1 or the 3 foldable multifunctional carts, which is characterized in that supporting surface board bottom portion is hinged with two A support leg；The support leg includes:
Two fixing pipes being hinged on the support panel；
It is nested with fixing pipe and slides the telescoping tube of setting；
Realize the support leg locking piece being mutually located between fixing pipe and telescoping tube；
The support panel is equipped with the support leg storage space for storing the support leg.
18. the 7 foldable multifunctional cart according to claim 1, which is characterized in that the support leg locking piece includes:
The cross bar being fixed to each other with described two fixing pipes；
The mobile bolt of two be slidably arranged in cross bar and two movable buttons, one end similar in two mobile bolts respectively with Corresponding movable button is fixed, and opposite facing one end can be pierced by the fixing pipe；
Described two mobile bolts have telescoping tube is inserted into when being located remotely from each other with realize that telescoping tube and fixing pipe be fixed to each other the One working position, and it is detached from the second working position of telescoping tube.
19. the 7 foldable multifunctional cart according to claim 1, which is characterized in that be hinged with reinforcement in the fixing pipe and connect Bar；
Supporting surface board bottom portion is equipped with link track；
The described one end of connecting rod far from hinged end of reinforcing is sliding end, which is connected to link track by pulley sliding On；
There is the connecting rod of reinforcing folding and unfolding working position and its sliding end when its sliding end is located at guide rail one end to be located at guide rail Position of the organizing work when other end；In the folding and unfolding working position, the support leg is accommodated in support leg storage space, in institute Position of organizing work is stated, the support leg is deployed in supporting surface board bottom portion.
20. according to claim 1 or the 3 foldable multifunctional carts, which is characterized in that the support panel is equipped with and sets in pairs The hinge hole and reception hole set, and the location hook for being able to carry out axial movement in hinge hole and circumferentially rotating is set；Simultaneously Location hole is additionally provided on the support panel；When needing to splice, there is the location hook hook portion to be accommodated in the reception hole Storage working position, and rotation after hook portion insertion adjacent supports panel on location hole realize two support panels positioning installations Working position.
21. the foldable multifunctional cart according to claim 20, which is characterized in that it is axial to be equipped with location hook in the hinge hole Reset spring and axial anti-falling piece.
22. the foldable multifunctional cart according to claim 20, which is characterized in that the location hole is the adjacent branch simultaneously Support the reception hole of panel.
CN201820399556.6U 2018-03-23 2018-03-23 A kind of foldable multifunctional cart Expired - Fee Related CN208198487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820399556.6U CN208198487U (en) 2018-03-23 2018-03-23 A kind of foldable multifunctional cart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820399556.6U CN208198487U (en) 2018-03-23 2018-03-23 A kind of foldable multifunctional cart

Publications (1)

Publication Number Publication Date
CN208198487U true CN208198487U (en) 2018-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275181A (en) * 2018-03-23 2018-07-13 王钦兵 A kind of foldable multifunctional cart
CN114040871A (en) * 2019-08-30 2022-02-11 雷德福来尔有限公司 Push-pull type cart

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275181A (en) * 2018-03-23 2018-07-13 王钦兵 A kind of foldable multifunctional cart
CN114040871A (en) * 2019-08-30 2022-02-11 雷德福来尔有限公司 Push-pull type cart

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Granted publication date: 20181207

Termination date: 20200323