CN106956693A - A kind of folding type trolley and its method for folding - Google Patents
A kind of folding type trolley and its method for folding Download PDFInfo
- Publication number
- CN106956693A CN106956693A CN201710070870.XA CN201710070870A CN106956693A CN 106956693 A CN106956693 A CN 106956693A CN 201710070870 A CN201710070870 A CN 201710070870A CN 106956693 A CN106956693 A CN 106956693A
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- Prior art keywords
- guardrail
- buckle structure
- hinged
- locating groove
- caught
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/022—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible folding down the body to the wheel carriage or by retracting projecting parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A kind of folding type trolley and its method for folding, including roller installed in underframe bottom, the lower fence being movably connected on underframe, the upper railingses that are movably arranged on lower fence.During storage, left and right guardrail in the fence of upper strata or so be folded in second after on guardrail, left and right guardrail in lower floor's fence or so be folded in first after on guardrail, guardrail carries out reverse vertical folding poststack after guardrail and first after second, positive put down is stacked on underframe guardrail again after first, whole fence, which is folded, to be finished, and the center of gravity of chassis declines, without the danger toppled over.The chassis folding convenient of the present invention is quick, and Stability Analysis of Structures uses safety.
Description
Technical field
The present invention relates to logistic storage technical field, and in particular to freight transportation apparatus.
Background technology
In the prior art, the chassis for transshipment cargo, mainly includes underframe and fence, wherein, underframe is provided with roller.
Above-mentioned chassis typically has folder function, and chassis, by prior art, is typically can be folded into setting shape by convenient storage
The flat shape of state, is so designed that, the chassis after folding has the danger toppled over.
The content of the invention
Technical problem solved by the invention：How to make the chassis decentralization after folding, be the level of state, to ensure platform
The safe handling of car.
In order to solve the above technical problems, the present invention provides following technical scheme：A kind of folding type trolley, including be flexibly connected
Fence on underframe, the roller installed in underframe bottom；The fence includes upper railingses and lower fence；The lower fence includes
Rear guardrail, rear side and the left guardrail being hinged on the left of rear guardrail, the right side hinge of rear side and rear guardrail that bottom is hinged on underframe
The right guardrail connect；There is matching design on left guardrail and underframe is locked in the first locker on the left of underframe, right shield by left guardrail
Matching design has the second locker being locked in right guardrail on the right side of underframe on column and underframe；The upper railingses are cut with scissors including bottom
It is connected on the second left guardrail being hinged after second at the top of rear guardrail after guardrail, rear side and second on the left of guardrail, rear side and second
The second right guardrail being hinged afterwards on the right side of guardrail；There being matching design on second left guardrail and left guardrail is locked in the second left guardrail
There is matching design on the 3rd locker on left guardrail, the second right guardrail and right guardrail is locked in right guardrail by the second right guardrail
On the 4th locker.
The method for folding of above-mentioned folding type trolley is as follows：
The first, the second left guardrail and the second right guardrail opposite direction rotating, the second left guardrail abut second after again second after guardrail
Right guardrail abuts the second left guardrail, or, the second left guardrail abuts the second right shield to the second right guardrail again after guardrail after second
Column, make the second left guardrail, the second right guardrail be superimposed upon second after on guardrail；
The relatively rear guardrail of guardrail is to the back lower place to upset after the second, the second, until after second between guardrail and rear guardrail
Angle is zero degree, i.e. guardrail abuts the back side of rear guardrail after second；
3rd, left guardrail and right guardrail opposite direction rotating, left guardrail abut after rear guardrail that right guardrail abuts left guardrail again, or
Person, left guardrail abuts right guardrail to right guardrail again after rear guardrail, left guardrail, right guardrail is superimposed upon on rear guardrail, i.e. left shield
Column and right guardrail are superimposed upon before rear guardrail；
4th, rear guardrail with respect to underframe forward downward to upset, until the angle between rear guardrail and underframe is zero degree.Extremely
This, upper railingses and lower fence are overlayed on underframe in the way of being superimposed up and down, the decentralization of whole chassis.
When need to use chassis, guardrail after rotation makes it in setting shape；Afterwards, to anticlockwise left guardrail, to the right shield of right rotation
Column, left guardrail is opened with right guardrail, during to precalculated position, and left guardrail is locked on underframe by the first buckle structure, the second lock
Right guardrail is locked on underframe by structure.Afterwards, guardrail after being flipped up second, makes it in setting shape, then open the second left shield
Column and the second right guardrail, during to precalculated position, the second left guardrail is locked on left guardrail by the 3rd buckle structure, the 4th lock knot
Second right guardrail is locked on right guardrail by structure, so far, and chassis is in use state.
The design of first locker and the second locker can be following two modes：
First way：The bottom of left guardrail is provided with the first buckle structure being locked on the left of underframe, the bottom of right guardrail
Provided with the second buckle structure being locked on the right side of underframe；The first shop bolt is fixed with the left of underframe, the right side of underframe is fixed
There is the second shop bolt；First buckle structure sets locating groove, and the sidepiece of locating groove, which is opened up, is caught in mouth, and locating groove is with level
The mode of curve movement engages with shop bolt, and the first shop bolt enters locating groove from the mouth that is caught in of the first buckle structure；
The structure of second buckle structure is same as the first buckle structure, and the second shop bolt enters fixed from the mouth that is caught in of the second buckle structure
Position neck；First buckle structure is caught in the left side that mouth is opened in locating groove；The mouth that is caught in of second buckle structure is opened in calmly
The right side of position neck.
The second way：The bottom of left guardrail is provided with the first shop bolt, and the bottom of right guardrail is provided with the second shop bolt；
It is fixed with the left of underframe on the right side of the first buckle structure, underframe and is fixed with the second buckle structure；First buckle structure sets position
Neck, the sidepiece of locating groove, which is opened up, is caught in mouth, and the first shop bolt engages in the way of level curve is moved with locating groove,
First shop bolt enters locating groove from the mouth that is caught in of the first buckle structure；The structure of second buckle structure is same as the first lock
Buckle structure, the second shop bolt enters locating groove from the mouth that is caught in of the second buckle structure；The mouth that is caught in of first buckle structure is opened
It is located at the right side of locating groove；Second buckle structure is caught in the left side that mouth is opened in locating groove.
By taking above-mentioned first way as an example, to anticlockwise left guardrail, to right rotation right guardrail, left guardrail and right guardrail
Open, to precalculated position, when such as left guardrail, right guardrail are vertical with rear guardrail respectively, locating groove and underframe left side on left guardrail
The engaging of the first shop bolt, the second shop bolt card on right guardrail on the right side of the locating groove and underframe of the second buckle structure
Close, left guardrail and right guardrail are locked on underframe.Above-mentioned locating groove in the way of level curve is moved with shop bolt card
Close, its concrete meaning is as follows：Rotated to the left or to the right in the left guardrail for erectting shape, locating groove transfer thereon, transfer
The motion made of locating groove be level curve movement, locating groove transfer predetermined angular after, the first positioning being fixedly installed
Pin is caught in mouth and enters locating groove, engage with locating groove from the side of locating groove；Second buckle structure on right guardrail
Locating groove and base on the right side of the snap fit of the second shop bolt be same as the locator card of the first buckle structure on left guardrail
The snap fit of groove and the shop bolt of chassis left side first.
By taking above-mentioned first way as an example, left guardrail rotates from right to left, thereon the locating groove of the first buckle structure with
The first shop bolt engaging of chassis left side；Right guardrail rotates from left to right, thereon the locating groove of the second buckle structure and bottom
The second shop bolt engaging on the right side of seat.
The first latch is movably equipped with the side wall of the locating groove of first buckle structure, the first shop bolt is opened up and first
First jack of latch matching design；The second latch is movably equipped with the side wall of the locating groove of second buckle structure, second determines
Position pin opens up the second jack with the second latch matching design.Specifically, on the side wall of the locating groove of the first buckle structure
Open up and fairlead be bolted with the screwed hole connected with locating groove, screwed hole, the end of fairlead opens up in-line locating slot,
Adjustable spring is provided with fairlead；First latch is plugged in fairlead, and the first latch is connected with adjustable spring, and first inserts
The end of pin is provided with the in-line location division with in-line locating slot matching design；The side wall of the locating groove of first buckle structure
On open up positioning hole, the hole heart line of positioning hole is overlapped with the hole heart line of screwed hole.The structure of second buckle structure and the first lock
The structure of structure is identical, and no longer the concrete structure of the second buckle structure is described herein.
By the design of above-mentioned first latch, the operating principle of the first latch is as follows：Initially, the first latch is not in the first lock
In the locating groove of structure, in the state of extraction, adjustable spring accumulation elastic potential energy, in-line location division departs from in-line positioning
Groove, in-line location division is against on the end face of fairlead in the presence of adjustable spring；In the first shop bolt and locating groove
After engaging, operating personnel rotate latch, in-line location division is alignd with in-line locating slot, in the presence of adjustable spring,
In-line location division is caught in in-line locating slot, and the elastic potential energy of adjustable spring is released, the first latch insertion locating groove
In the jack of the first shop bolt, positioning hole is inserted into, locating groove and the first shop bolt are locked.Wherein, locating slot
Shape be not limited to in-line, can be cross or other geometries.
The design of 3rd locker and the 4th locker can be following two modes：
First way：Threeth buckle structure of the top of left guardrail provided with the second left guardrail of locking, the top of right guardrail
The 4th buckle structure provided with the second right guardrail of locking；The bottom of second left guardrail is fixed with the 3rd shop bolt, the second right shield
The bottom on column is fixed with the 4th shop bolt；3rd buckle structure sets the second locating groove, and the sidepiece of the second locating groove is opened up
Second is caught in mouth, and the 3rd shop bolt is caught in mouth through second in the way of level curve is moved and is caught in the second locating groove；4th
The structure of buckle structure is same as the 3rd buckle structure, and the 4th shop bolt is tied in the way of level curve is moved through the 4th lock
The second of structure is caught in mouth and is caught in the second locating groove；The second of 3rd buckle structure is caught in the left side that mouth is opened in the second locating groove
Side；The second of 4th buckle structure is caught in the right side that mouth is opened in the second locating groove；Second locator card of the 3rd buckle structure
The 3rd latch is movably equipped with the side wall of groove, the 3rd shop bolt opens up the 3rd jack with the 3rd latch matching design；4th
The 4th latch is movably equipped with the side wall of second locating groove of buckle structure, the 4th shop bolt is opened up to be coordinated with the 4th latch
4th jack of design.The structure design of above-mentioned 3rd buckle structure is same as the 4th buckle structure, and is same as the first lock
Structure.The cooperation principle of above-mentioned 3rd shop bolt and the 3rd buckle structure is same as the 4th shop bolt and the 4th buckle structure
Cooperation principle, and be same as the cooperation principle of the first shop bolt and the first buckle structure.
The second way：The top of left guardrail is provided with the 3rd shop bolt, and the top of right guardrail is provided with the 4th shop bolt；
The bottom of second left guardrail is fixed with the 3rd buckle structure of the second left guardrail of locking, and the bottom of the second right guardrail is fixed with locking
4th buckle structure of the second right guardrail；3rd buckle structure sets the second locating groove, and the sidepiece of the second locating groove opens up
Two are caught in mouth, and the 3rd shop bolt is caught in mouth through second in the way of level curve is moved and is caught in the second locating groove；4th lock
The structure of buckle structure is same as the 3rd buckle structure, and the 4th shop bolt is in the way of level curve is moved through the 4th buckle structure
Second be caught in mouth and be caught in the second locating groove；The second of 3rd buckle structure is caught in the right side that mouth is opened in the second locating groove
Side；The second of 4th buckle structure is caught in the left side that mouth is opened in the second locating groove；Second locator card of the 3rd buckle structure
The 3rd latch is movably equipped with the side wall of groove, the 3rd shop bolt opens up the 3rd jack with the 3rd latch matching design；4th
The 4th latch is movably equipped with the side wall of second locating groove of buckle structure, the 4th shop bolt is opened up to be coordinated with the 4th latch
4th jack of design.
The rear guardrail is hinged by hinge assembly with underframe, and left guardrail is hinged by hinge assembly with rear guardrail, right shield
Column is hinged by hinge assembly with rear guardrail；Guardrail is hinged by hinge assembly with rear guardrail after described second, the second left guardrail
It is hinged by guardrail after hinge assembly and second, the second right guardrail is hinged by guardrail after hinge assembly and second；It is described to be hinged
Component includes being hinged main part and is hinged duplicate, is hinged main part and is hinged between duplicate provided with damping fin.Damping fin is rubber,
Specially butyl rubber, the effect of damping fin is：Each guardrail increased in the frictional force of hinge assembly, prevention fence makees relative
High speed rotation and operating personnel or property is in dangerous condition.
Being hinged main part includes being arranged on a pair of lugs being hinged in main part main body, and being hinged duplicate includes being arranged on being hinged duplicate
A lug in main body a, lug for being hinged duplicate is hinged between a pair of lugs for being hinged main part, and the damping fin is set
Between being hinged the side wall of one lug of duplicate and being hinged the side wall of a pair of lugs of main part；Be hinged in main part main body open up bar shaped slit
Mouthful, bar shaped gap is located between a pair of lugs, and a lug for being hinged duplicate passes through jointed shaft and a pair of lugs for being hinged main part
It is hinged, one end of jointed shaft sets radial lugs, and the other end to set and be bolted with clamp nut on external screw thread, external screw thread.By above-mentioned design,
The clamp nut is tightened, the extruding force increase between a lug of duplicate and a pair of lugs for being hinged main part is hinged, and then,
Frictional force increases.The setting of bar shaped gap can make to be hinged the certain elastic deformation of main part main body generation, increase above-mentioned frictional force
While, the abrasion between part can be reduced or avoided.
It is hinged main part main body to be put together by main part main body left-half and main part main body right half part, main part main body left half
Part and main part main body right half part are equipped with main part arc bayonet socket, and the madial wall of main part arc bayonet socket is provided with bar shaped convex portion；
It is hinged duplicate main body to be put together by duplicate main body left-half and duplicate main body right half part, duplicate main body left-half and pair
Part main body right half part is equipped with duplicate arc bayonet socket, and the madial wall of duplicate arc bayonet socket is provided with bar shaped convex portion；Left guardrail, the right side
Guardrail is made up of some balustrade units respectively after guardrail, rear guardrail, the second left guardrail, the second right guardrail, second, balustrade units
Lateral wall is provided with strip groove；Main part main body left-half and main part main body right half part are arranged on column by threaded fastener
On bar unit, the main part arc bayonet socket of main part main body left-half and the main part arc bayonet socket of main part main body right half part are pressed from both sides in opposite directions
Hold in balustrade units, the bar shaped convex portion of main part arc bayonet socket and the strip groove of balustrade units coordinate；Duplicate main body left side
Divide and duplicate main body right half part is arranged in balustrade units by threaded fastener, the duplicate arc of duplicate main body left-half
The duplicate arc bayonet socket of bayonet socket and duplicate main body right half part is clamped in balustrade units in opposite directions, and the bar shaped of duplicate arc bayonet socket is convex
The strip groove of portion and balustrade units coordinates.Above-mentioned strip groove and the cooperation of bar shaped convex portion, can effectively prevent from being hinged main part, hinge
Duplicate is connect to relatively rotate with balustrade units.
The hinge assembly of left guardrail and rear guardrail is hinged, the distance between its jointed shaft and rear guardrail are the first distance, hinge
The hinge assembly of right guardrail and rear guardrail is connect, the distance between its jointed shaft and rear guardrail are second distance, first distance
More than second distance；The hinge assembly of guardrail after the second left guardrail and second is hinged, after its jointed shaft and second between guardrail
Distance is the 3rd distance, the hinge assembly of guardrail after the second right guardrail and second is hinged, after its jointed shaft and second between guardrail
Distance be the 4th distance, it is described 3rd distance be more than the 4th distance.By above-mentioned design, when chassis is folded, the second right guardrail is tight
By the second left guardrail abuts the second right guardrail again after guardrail after second；In the same manner, left guardrail is tight again after rear guardrail for right guardrail
Keep right guardrail.After the completion of chassis is folded, the second right shield, the second left guardrail, right guardrail, left guardrail are in horizontality.
Provided with preceding shield part between the front side of left guardrail and the front side of right guardrail, the left and right sides of preceding shield part respectively with a left side
Guardrail, right guardrail are detachably connected；When left guardrail opens with right guardrail, and when being locked in respectively on underframe, preceding shield part
Both sides are connected on left guardrail and right guardrail, are used as the anterior guardrail of chassis.In the same manner, the front side of the second left guardrail and
Be provided between the front side of two right guardrails protected before second the left and right sides that part is protected before part, second respectively with the second left guardrail, the
Two right guardrails are detachably connected.
Chassis of the present invention is mainly made up of upper railingses, lower fence, underframe.In use, upper railingses and the expansion of lower fence
On underframe, during storage, upper railingses are folded with lower fence again after folding, and are put down being stacked on underframe in the way of folding up and down, are easy to
While storage, the center of gravity of chassis declines, without the danger toppled over.
Wherein, positioned after upper railingses and the expansion of lower fence by the buckle structure of plug-in, not only folding convenient is fast
Speed, moreover, making the trolley structure after expansion stable, the underframe of chassis is uniformly born by buckle structure and articulated elements at corner
The gravity of two layers of fence.
Wherein, the jointed shaft of hinge assembly is shifted to install, it is ensured that each guardrail in upper railingses and lower fence is in level
State.
Wherein, each guardrail that the setting of damping fin can increase in the frictional force of hinge assembly, prevention fence makees relative height
Speed rotates and operating personnel or property is in dangerous condition.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of folding type trolley of the invention；
Fig. 2 is a kind of front view of folding type trolley of the invention；
Fig. 3 is Fig. 2 top view；
Fig. 4 is Fig. 2 left view；
Fig. 5 is the structural representation after a kind of folding type trolley folding in Fig. 1；
Fig. 6 is the front view after a kind of folding type trolley folding in Fig. 5；
Fig. 7 is Fig. 6 top view；
Fig. 8 is the front view of the first buckle structure 30 in Fig. 1；
Fig. 9 be in Fig. 8 A-A to sectional view；
Figure 10 is Fig. 8 left view；
Figure 11 is Fig. 8 rearview；
Figure 12 is the dimensional structure diagram of the first buckle structure 30 in Fig. 1；
Figure 13 is the front view of the first shop bolt 11 in Fig. 1；
Figure 14 is Figure 13 left view；
Figure 15 is the structural representation for being hinged main part 41 in Fig. 1 in hinge assembly 40；
Figure 16 is Figure 15 top view；
Figure 17 is Figure 15 rearview；
Figure 18 is B-B direction sectional view in Figure 15；
Figure 19 is the structural representation for being hinged duplicate 42 in Fig. 1 in hinge assembly 40；
Figure 20 is Figure 19 top view；
Figure 21 be in Figure 19 C-C to schematic partial sectional view.
Symbol description in figure：
10th, underframe；11st, the first shop bolt；110th, the first jack；12nd, the second shop bolt；
20th, lower fence；21st, rear guardrail；22nd, left guardrail；23rd, right guardrail；24th, preceding shield part；
30th, the first buckle structure；31st, locating groove；32nd, it is caught in mouth；33rd, screwed hole；34th, positioning hole；
301st, the second buckle structure；302nd, the 3rd buckle structure；303rd, the 4th buckle structure；
40th, hinge assembly；41st, it is hinged main part；411st, it is hinged main part main body；412nd, a pair of lugs；413rd, bar shaped gap；
414th, main part arc bayonet socket；415th, bar shaped convex portion；42nd, it is hinged duplicate；421st, it is hinged duplicate main body；422nd, a lug；423、
Duplicate arc bayonet socket；
50th, upper railingses；51st, guardrail after second；52nd, the second left guardrail；521st, the 3rd shop bolt；53rd, the second right guardrail；
531st, the 4th shop bolt；54th, part is protected before second.
Embodiment
With reference to Fig. 1 to Fig. 4, a kind of folding type trolley, including be movably connected on underframe 10 fence, installed in underframe bottom
The roller in portion；The fence includes upper railingses 50 and lower fence 20.
Rear guardrail 21, rear side and the left shield being hinged on the left of rear guardrail that the lower fence is hinged on including bottom on underframe
Column 22, rear side and the right guardrail 23 being hinged on the right side of rear guardrail；The bottom of left guardrail is provided with the first lock being locked on the left of underframe
Buckle structure 30, the bottom of right guardrail is provided with the second buckle structure 301 being locked on the right side of underframe.
The left side of underframe 10, which is fixed with the right side of the first shop bolt 11, underframe, is fixed with the second shop bolt 12.
With reference to Fig. 8 to Figure 14, the above-mentioned matching design of first shop bolt, 11 and first buckle structure 30, be specifically described as
Under.First buckle structure 30 sets locating groove 31, and the sidepiece of locating groove, which is opened up, is caught in mouth 32, and locating groove is moved with level curve
Dynamic mode engages with shop bolt, and the first shop bolt enters locating groove from the mouth that is caught in of the first buckle structure.First lock
Buckle structure is caught in the left side that mouth is opened in locating groove.Is movably equipped with the side wall of the locating groove 31 of first buckle structure
One latch, the first shop bolt 11 opens up the first jack 110 with the first latch matching design.On in the first buckle structure
First latch, specific design is as follows：Open up what is connected with locating groove on the side wall of the locating groove 31 of first buckle structure 30
Fairlead is bolted with screwed hole 33, screwed hole, the end of fairlead is opened up in in-line locating slot, fairlead provided with flexible bullet
Spring；First latch is plugged in fairlead, and the first latch is connected with adjustable spring, and the end of the first latch is provided with and a word
The in-line location division of shape locating slot matching design；Positioning hole 34 is opened up on the side wall of the locating groove 31 of first buckle structure,
The hole heart line of positioning hole is overlapped with the hole heart line of screwed hole 33.
The above-mentioned matching design of second shop bolt, 12 and second buckle structure 301, is specifically described as follows.Second buckle structure
301 structure is same as the first buckle structure, and the second shop bolt enters locating groove from the mouth that is caught in of the second buckle structure.The
Two buckle structures are caught in the right side that mouth is opened in locating groove.It is movably equipped with the side wall of the locating groove of second buckle structure
Second latch, the second shop bolt opens up the second jack with the second latch matching design.On in the second buckle structure
Two latches, specific design is as follows：The screw thread connected with locating groove is opened up on the side wall of the locating groove of second buckle structure 301
The second fairlead is bolted with hole, screwed hole, the end of the second fairlead is opened up to be provided with in-line locating slot, the second fairlead
Second adjustable spring；Second latch is plugged in the second fairlead, and the second latch is connected with the second adjustable spring, and second inserts
The end of pin is provided with the in-line location division with in-line locating slot matching design；The side wall of the locating groove of second buckle structure
On open up positioning hole, the hole heart line of positioning hole is overlapped with the hole heart line of screwed hole.
With reference to Fig. 1 to Fig. 4, the upper railingses be hinged on including bottom the top of rear guardrail 21 second after guardrail 51, rear side
With second after the second left guardrail 52 being hinged on the left of guardrail, the second right guardrail for being hinged on the right side of guardrail after rear side and second
53；Threeth buckle structure 302 of the top of left guardrail 22 provided with the second left guardrail of locking, the top of right guardrail 23 is provided with locking the
4th buckle structure 303 of two right guardrails.
The bottom of second left guardrail 52 is fixed with the 3rd shop bolt 521, and the bottom of the second right guardrail is fixed with the 4th and determined
Position pin 531.
With reference to Fig. 8 to Figure 14, above-mentioned 3rd shop bolt 521 and the matching design of the 3rd buckle structure 302, be specifically described as
Under.The design of 3rd buckle structure is same as the first buckle structure.Specifically, the 3rd buckle structure 302 sets the second locator card
Groove, the sidepiece of the second locating groove opens up second and is caught in mouth, and the 3rd shop bolt is in the way of level curve is moved through the second card
Entrance is caught in the second locating groove.The second of 3rd buckle structure is caught in the left side that mouth is opened in the second locating groove.3rd lock
The 3rd latch is movably equipped with the side wall of second locating groove of buckle structure, the 3rd shop bolt is opened up to coordinate with the 3rd latch and set
3rd jack of meter.The 3rd latch, the 3rd alignment pin are movably equipped with the side wall of second locating groove of the 3rd buckle structure 302
Nail 521 opens up the 3rd jack with the 3rd latch matching design.3rd latch activity is plugged in the knot on the 3rd buckle structure 302
Structure design is same as the structure design that the first latch activity is plugged on the first buckle structure 30.
Above-mentioned 4th shop bolt 531 and the matching design of the 4th buckle structure 303, are specifically described as follows.4th lock knot
The structure of structure 303 is same as the 3rd buckle structure, and the 4th shop bolt is in the way of level curve is moved through the 4th buckle structure
Second be caught in mouth and be caught in the second locating groove.The second of 4th buckle structure is caught in the right side that mouth is opened in the second locating groove
Side.The 4th latch is movably equipped with the side wall of second locating groove of the 4th buckle structure, the 4th shop bolt is opened up and the 4th
4th jack of latch matching design.The 4th latch is movably equipped with the side wall of second locating groove of the 4th buckle structure 303,
4th shop bolt 531 opens up the 4th jack with the 4th latch matching design.4th latch activity is plugged in the 4th lock knot
Structure design on structure 303 is same as the structure design that the first latch activity is plugged on the first buckle structure 30.
The rear guardrail 21 is hinged by hinge assembly 40 with underframe 10, and left guardrail 22 passes through hinge assembly and rear guardrail 21
It is hinged, right guardrail 23 is hinged by hinge assembly with rear guardrail.Guardrail 51 passes through hinge assembly and rear guardrail 21 after described second
It is hinged, the second left guardrail 52 is hinged by guardrail after hinge assembly and second, the second right guardrail 53 passes through hinge assembly and second
Guardrail is hinged afterwards.The hinge assembly 40 includes being hinged main part 41 and being hinged duplicate 42, is hinged main part and is hinged between duplicate and sets
There is damping fin.
With reference to Figure 15 to Figure 21, on the design of damping fin in above-mentioned hinge assembly 40, it is specifically described as follows.It is hinged main part
41 include being arranged on a pair of the lugs 412 being hinged in main part main body 411, and being hinged duplicate 42 includes being arranged on being hinged duplicate main body
A lug 422 on 421 a, lug for being hinged duplicate is hinged between a pair of lugs for being hinged main part, and the damping fin is set
Put between being hinged the side wall of one lug of duplicate and being hinged the side wall of a pair of lugs of main part.It is hinged in main part main body and opens up bar shaped
Gap 413, bar shaped gap is located between a pair of lugs, is hinged a lug of duplicate by jointed shaft and is hinged a pair of main part
Lug is hinged, and one end of jointed shaft sets radial lugs, and the other end to set and be bolted with clamp nut on external screw thread, external screw thread.
On the concrete structure design of above-mentioned hinge assembly 40, it is described below.It is hinged main part main body 411 left by main part main body
Half part and main part main body right half part are put together, and main part main body left-half and main part main body right half part are equipped with main part
Arc bayonet socket 414, the madial wall of main part arc bayonet socket is provided with bar shaped convex portion 415.It is hinged duplicate main body 421 left by duplicate main body
Half part and duplicate main body right half part are put together, and duplicate main body left-half and duplicate main body right half part are equipped with duplicate
Arc bayonet socket 423, the madial wall of duplicate arc bayonet socket is provided with bar shaped convex portion.
On above-mentioned hinge assembly 40 and the assembly relation of fence, it is specifically described as follows.Left guardrail 22, right guardrail 23, after
Guardrail 51 is made up of some balustrade units respectively after guardrail 21, the second left guardrail 52, the second right guardrail 53, second, balustrade units
Lateral wall be provided with strip groove.Main part main body left-half and main part main body right half part are arranged on by threaded fastener
In balustrade units, the main part arc bayonet socket of main part main body left-half and the main part arc bayonet socket of main part main body right half part are opposite
It is clamped in balustrade units, the bar shaped convex portion of main part arc bayonet socket and the strip groove of balustrade units coordinate.Duplicate main body left half
Part and duplicate main body right half part are arranged in balustrade units by threaded fastener, the duplicate arc of duplicate main body left-half
The duplicate arc bayonet socket of shape bayonet socket and duplicate main body right half part is clamped in balustrade units in opposite directions, the bar shaped of duplicate arc bayonet socket
The strip groove of convex portion and balustrade units coordinates.
With reference to Fig. 5 to Fig. 7, the hinge assembly 40 of left guardrail 22 and rear guardrail 21 is hinged, between its jointed shaft and rear guardrail
Distance be the first distance, be hinged the hinge assembly of right guardrail 23 and rear guardrail, the distance between its jointed shaft and rear guardrail are
Second distance, first distance is more than second distance.The hinge assembly of guardrail 51 after the second left guardrail 52 and second is hinged, its
The distance between guardrail is the 3rd distance after jointed shaft and second, and be hinged guardrail after the second right guardrail 53 and second is hinged group
The distance between guardrail is the 4th distance after part, its jointed shaft and second, and the 3rd distance is more than the 4th distance.
Such as Fig. 1, provided with preceding shield part 24 between the front side of left guardrail 22 and the front side of right guardrail 23, the left and right of preceding shield part
Both sides are detachably connected with left guardrail, right guardrail respectively.Between the front side of second left guardrail 52 and the front side of the second right guardrail 53
Detachably connect with the second left guardrail, the second right guardrail respectively provided with the left and right sides that shield part before part 54, second is protected before second
Connect.It is described to be detachably connected including clamping, i.e. the two ends of preceding shield part 24 respectively with the front side of left guardrail 22 and right guardrail 23
Front side clamping, the two ends of shield part 54 front side respectively with the second left guardrail 52 and the front side card of the second right guardrail 53 before second
Connect.
In practical operation, with reference to Fig. 5 to Fig. 7, the step of folding chassis is as follows：
The first, the second left guardrail 52 and the opposite direction rotating of the second right guardrail 53, the second left guardrail is after guardrail 51 after second
The second right guardrail abuts the second left guardrail again, or, the second right guardrail abut second after after guardrail again the second left guardrail against the
Two right guardrails, thus, the second left guardrail 52, the second right guardrail 53 be superimposed upon second after on guardrail 51.
After the second, the second guardrail 51 relatively after guardrail 21 to the back lower place to upset, until after second guardrail and rear guardrail it
Between angle be zero degree, i.e. after second guardrail abut rear guardrail.
3rd, left guardrail 22 and the opposite direction rotating of right guardrail 23, left guardrail abut after rear guardrail 21 that right guardrail abuts left shield again
Column, or, left guardrail abuts right guardrail to right guardrail again after rear guardrail, thus, left guardrail 22, right guardrail 23 are protected after being superimposed upon
On column 21.So far, guardrail 51 is behind rear guardrail 21 after second, and left guardrail 22 and right guardrail 23 are before rear guardrail 21.
4th, the relative forward downward of underframe 10 of rear guardrail 21 is to upset, until the angle between rear guardrail and underframe is zero
Degree, i.e. guardrail, rear guardrail, left guardrail, right guardrail are folded in the way of being superimposed up and down after the second left guardrail, the second right guardrail, second
It is placed on underframe, the decentralization of whole chassis.
In practical operation, referring to figs. 1 to Fig. 4, the step of deploying chassis is as follows：
First, guardrail 21 after rotation makes it in setting shape.
Second, to anticlockwise left guardrail 22, to right rotation right guardrail 23, left guardrail, right guardrail open, respectively with rear guardrail
Vertically.First shop bolt 11 in the left side of underframe 10 coordinates with the first buckle structure 30 on left guardrail, and left guardrail is locked in
On underframe 10, second shop bolt 12 on the right side of underframe 10 coordinates with the second buckle structure 301 on right guardrail, and right guardrail is locked
It is scheduled on underframe 10.
3rd, preceding shield part 24 is erected between left guardrail 22 and right guardrail 23.
4th, guardrail 51 after forward upward upset second, it is in upright state to make it, after second guardrail 51 with rear guardrail 21
Lower alignment.
5th, to the second left guardrail of anticlockwise 52, to the second right guardrail of right rotation 53, the second left guardrail, the second right guardrail
Open, it is vertical with guardrail after second 51 respectively.The 3rd shop bolt 521 on second left guardrail and the 3rd lock on left guardrail
Structure 302 coordinates, and the second left guardrail is locked on left guardrail 22, the second left guardrail and left guardrail consistency from top to bottom.Second right shield
The 4th shop bolt 531 on column coordinates with the 4th buckle structure 303 on right guardrail, and the second right guardrail is locked in right guardrail
On 23, the second right guardrail and right guardrail consistency from top to bottom.
6th, shield part 54 is erected between the second left guardrail 52 and the second right guardrail 53 before second.
Above content is only the better embodiment of the present invention, for one of ordinary skill in the art, according to the present invention
Thought, will change in specific embodiments and applications, this specification content should not be construed as to this hair
Bright limitation.
Claims (10)
1. a kind of folding type trolley and its method for folding, the folding type trolley include being movably connected in enclosing on underframe (10)
Column, the roller installed in underframe bottom；The fence includes upper railingses (50) and lower fence (20)；
Rear guardrail (21), rear side and the left guardrail being hinged on the left of rear guardrail that the lower fence is hinged on underframe including bottom
(22), rear side and the right guardrail (23) being hinged on the right side of rear guardrail；There being matching design on left guardrail and underframe locks left guardrail
Matching design has second be locked in right guardrail on the right side of underframe on the first locker on the left of underframe, right guardrail and underframe
Locker；
The upper railingses including bottom be hinged at the top of rear guardrail (21) second after guardrail after guardrail (51), rear side and second
The second right guardrail (53) being hinged after the second left guardrail (52) that left side is hinged, rear side and second on the right side of guardrail；Second left shield
Matching design has the 3rd locker being locked in the second left guardrail on left guardrail, the second right guardrail and the right side on column and left guardrail
Matching design has the 4th locker being locked in the second right guardrail on right guardrail on guardrail；It is characterized in that：
The method for folding of folding type trolley is as follows：
The first, the second left guardrail (52) and the second right guardrail (53) opposite direction rotating, the second left guardrail is against guardrail (51) after second
The second right guardrail abuts the second left guardrail again afterwards, or, the second left guardrail is abutted the second right guardrail again after guardrail after second
Second right guardrail, make the second left guardrail (52), the second right guardrail (53) be superimposed upon second after on guardrail (51)；
After the second, the second guardrail (51) relatively after guardrail (21) to the back lower place to upset, until after second guardrail and rear guardrail it
Between angle be zero degree, i.e. after second guardrail abut rear guardrail the back side；
3rd, left guardrail (22) and right guardrail (23) opposite direction rotating, left guardrail abut after rear guardrail (21) again right guardrail against a left side
Guardrail, or, left guardrail abuts right guardrail to right guardrail again after rear guardrail, is superimposed upon left guardrail (22), right guardrail (23)
Afterwards on guardrail (21), i.e. left guardrail (22) and right guardrail (23) are superimposed upon before rear guardrail (21)；
4th, relative underframe (10) forward downward of rear guardrail (21) is to upset, until the angle between rear guardrail and underframe is zero
Degree.
2. a kind of folding type trolley and its method for folding as claimed in claim 1, it is characterised in that：
The bottom of left guardrail is provided with the first buckle structure (30) being locked on the left of underframe, and the bottom of right guardrail, which is provided with, is locked in bottom
The second buckle structure (301) on the right side of frame；
It is fixed with the left of underframe (10) on the right side of the first shop bolt (11), underframe and is fixed with the second shop bolt (12)；
First buckle structure (30) sets locating groove (31), and the sidepiece of locating groove, which is opened up, is caught in mouth (32), and locating groove is with water
The mode of horizontal curve movement engages with shop bolt, and the first shop bolt enters locator card from the mouth that is caught in of the first buckle structure
Groove；
The structure of second buckle structure (301) is same as the first buckle structure, card of second shop bolt from the second buckle structure
Entrance enters locating groove；
First buckle structure is caught in the left side that mouth is opened in locating groove；
Second buckle structure is caught in the right side that mouth is opened in locating groove；
Be movably equipped with the first latch on the side wall of the locating groove (31) of first buckle structure, the first shop bolt (11) open up with
The first jack (110) of first latch matching design；
The second latch is movably equipped with the side wall of the locating groove of second buckle structure, the second shop bolt is opened up and the second latch
Second jack of matching design；
The screwed hole (33) connected with locating groove, screw thread are opened up on the side wall of the locating groove (31) of first buckle structure (30)
Fairlead is bolted with hole, the end of fairlead, which is opened up, is provided with adjustable spring in in-line locating slot, fairlead；
First latch is plugged in fairlead, and the first latch is connected with adjustable spring, and the end of the first latch is provided with and one
The in-line location division of font locating slot matching design；
Positioning hole (34), the hole heart line and screwed hole of positioning hole are opened up on the side wall of the locating groove (31) of first buckle structure
(33) hole heart line is overlapped.
3. a kind of folding type trolley and its method for folding as claimed in claim 1, it is characterised in that：The bottom of left guardrail (22)
Provided with the first shop bolt, the bottom of right guardrail (23) is provided with the second shop bolt；
It is fixed with the left of underframe (10) on the right side of the first buckle structure, underframe and is fixed with the second buckle structure；
First buckle structure sets locating groove, and the sidepiece of locating groove, which is opened up, is caught in mouth, and the first shop bolt is moved with level curve
Dynamic mode engages with locating groove, and the first shop bolt enters locating groove from the mouth that is caught in of the first buckle structure；
The structure of second buckle structure is same as the first buckle structure, and the second shop bolt enters from the mouth that is caught in of the second buckle structure
Enter locating groove；
First buckle structure is caught in the right side that mouth is opened in locating groove；
Second buckle structure is caught in the left side that mouth is opened in locating groove；
The first latch is movably equipped with the side wall of the locating groove of first buckle structure, the first shop bolt is opened up and the first latch
First jack of matching design；
The second latch is movably equipped with the side wall of the locating groove of second buckle structure, the second shop bolt is opened up and the second latch
Second jack of matching design；
Open up to be bolted with the screwed hole connected with locating groove, screwed hole on the side wall of the locating groove of first buckle structure and lead
To set, the end of fairlead, which is opened up, is provided with adjustable spring in in-line locating slot, fairlead；
First latch is plugged in fairlead, and the first latch is connected with adjustable spring, and the end of the first latch is provided with and one
The in-line location division of font locating slot matching design；
Positioning hole, the hole heart line of positioning hole and the hole heart line weight of screwed hole are opened up on the side wall of the locating groove of first buckle structure
Close.
4. a kind of folding type trolley and its method for folding as claimed in claim 1, it is characterised in that：The top of left guardrail (22)
The 3rd buckle structure (302) provided with the second left guardrail of locking, the top of right guardrail (23) provided with the second right guardrail of locking the
Four buckle structures (303)；
The bottom of second left guardrail (52) is fixed with the 3rd shop bolt (521), and the bottom of the second right guardrail is fixed with the 4th and determined
Position pin (531)；
3rd buckle structure (302) sets the second locating groove, and the sidepiece of the second locating groove opens up second and is caught in mouth, the 3rd positioning
Pin is caught in mouth through second in the way of level curve is moved and is caught in the second locating groove；
The structure of 4th buckle structure (303) is same as the 3rd buckle structure, the side that the 4th shop bolt is moved with level curve
Formula second being caught in mouth and be caught in the second locating groove through the 4th buckle structure；
The second of 3rd buckle structure is caught in the left side that mouth is opened in the second locating groove；
The second of 4th buckle structure is caught in the right side that mouth is opened in the second locating groove；
The 3rd latch is movably equipped with the side wall of second locating groove of the 3rd buckle structure, the 3rd shop bolt is opened up and the 3rd
3rd jack of latch matching design；
The 4th latch is movably equipped with the side wall of second locating groove of the 4th buckle structure, the 4th shop bolt is opened up and the 4th
4th jack of latch matching design.
5. a kind of folding type trolley and its method for folding as claimed in claim 1, it is characterised in that：The top of left guardrail (22)
Provided with the 3rd shop bolt, the top of right guardrail (23) is provided with the 4th shop bolt；
The bottom of second left guardrail (52) is fixed with the 3rd buckle structure of the second left guardrail of locking, and the bottom of the second right guardrail is consolidated
Surely there is the 4th buckle structure of the second right guardrail of locking；
3rd buckle structure sets the second locating groove, and the sidepiece of the second locating groove opens up second and is caught in mouth, the 3rd shop bolt
Mouth is caught in through second be caught in the second locating groove in the way of level curve is moved；
The structure of 4th buckle structure is same as the 3rd buckle structure, and the 4th shop bolt is in the way of level curve is moved through
The second of four buckle structures is caught in mouth and is caught in the second locating groove；
The second of 3rd buckle structure is caught in the right side that mouth is opened in the second locating groove；
The second of 4th buckle structure is caught in the left side that mouth is opened in the second locating groove；
The 3rd latch is movably equipped with the side wall of second locating groove of the 3rd buckle structure, the 3rd shop bolt is opened up and the 3rd
3rd jack of latch matching design；
The 4th latch is movably equipped with the side wall of second locating groove of the 4th buckle structure, the 4th shop bolt is opened up and the 4th
4th jack of latch matching design.
6. a kind of folding type trolley and its method for folding as claimed in claim 1, it is characterised in that：The rear guardrail (21) is led to
Cross hinge assembly (40) to be hinged with underframe (10), left guardrail (22) is hinged by hinge assembly with rear guardrail (21), right guardrail
(23) it is hinged by hinge assembly with rear guardrail；
Guardrail (51) is hinged by hinge assembly with rear guardrail (21) after described second, and the second left guardrail (52) passes through hinge assembly
With second after guardrail be hinged, the second right guardrail (53) is hinged by guardrail after hinge assembly and second；
The hinge assembly (40) includes being hinged main part (41) and being hinged duplicate (42), is hinged main part and is hinged between duplicate and is provided with
Damping fin.
7. a kind of folding type trolley and its method for folding as claimed in claim 6, it is characterised in that：Being hinged main part (41) includes
A pair of the lugs (412) being hinged in main part main body (411) are arranged on, being hinged duplicate (42) includes being arranged on being hinged duplicate main body
(421) a upper lug (422) a, lug for being hinged duplicate is hinged between a pair of lugs for being hinged main part, the damping
Piece is arranged on the side wall for being hinged one lug of duplicate and is hinged between the side wall of a pair of lugs of main part；
It is hinged in main part main body and opens up bar shaped gap (413), bar shaped gap is located between a pair of lugs, and be hinged duplicate one is convex
Ear is hinged by jointed shaft with being hinged a pair of lugs of main part, and one end of jointed shaft sets radial lugs, and the other end sets external screw thread, outside
Clamp nut is bolted with screw thread.
8. a kind of folding type trolley and its method for folding as claimed in claim 7, it is characterised in that：It is hinged main part main body
(411) it is put together by main part main body left-half and main part main body right half part, main part main body left-half and main part main body
Right half part is equipped with main part arc bayonet socket (414), and the madial wall of main part arc bayonet socket is provided with bar shaped convex portion (415)；
It is hinged duplicate main body (421) to be put together by duplicate main body left-half and duplicate main body right half part, duplicate main body is left
Half part and duplicate main body right half part are equipped with duplicate arc bayonet socket (423), and the madial wall of duplicate arc bayonet socket is provided with bar
Shape convex portion；
Guardrail after left guardrail (22), right guardrail (23), rear guardrail (21), the second left guardrail (52), the second right guardrail (53), second
(51) it is made up of respectively some balustrade units, the lateral wall of balustrade units is provided with strip groove；
Main part main body left-half and main part main body right half part are arranged in balustrade units by threaded fastener, main part main body
The main part arc bayonet socket of left-half and the main part arc bayonet socket of main part main body right half part are clamped in balustrade units in opposite directions, main
The bar shaped convex portion of part arc bayonet socket and the strip groove of balustrade units coordinate；
Duplicate main body left-half and duplicate main body right half part are arranged in balustrade units by threaded fastener, duplicate main body
The duplicate arc bayonet socket of left-half and the duplicate arc bayonet socket of duplicate main body right half part are clamped in balustrade units in opposite directions, secondary
The bar shaped convex portion of part arc bayonet socket and the strip groove of balustrade units coordinate.
9. a kind of folding type trolley and its method for folding as claimed in claim 7, it is characterised in that：Be hinged left guardrail (22) with
The hinge assembly (40) of guardrail (21) afterwards, the distance between its jointed shaft and rear guardrail are the first distance, are hinged right guardrail (23)
With the hinge assembly of rear guardrail, the distance between its jointed shaft and rear guardrail are second distance, and first distance is more than second
Distance；
Be hinged after the hinge assembly of guardrail (51) after the second left guardrail (52) and second, its jointed shaft and second between guardrail away from
From for a distance from the 3rd, be hinged after the hinge assembly of guardrail after the second right guardrail (53) and second, its jointed shaft and second guardrail it
Between distance be the 4th distance, it is described 3rd distance be more than the 4th distance.
10. a kind of folding type trolley as claimed in claim 1, it is characterised in that：The front side of left guardrail (22) and right guardrail
(23) provided with preceding shield part (24) between front side, the left and right sides of preceding shield part detachably connects with left guardrail, right guardrail respectively
Connect；
Protected before being provided with second between the front side of second left guardrail (52) and the front side of the second right guardrail (53) before part (54), second
The left and right sides of shield part is detachably connected with the second left guardrail, the second right guardrail respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070870.XA CN106956693A (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley and its method for folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070870.XA CN106956693A (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley and its method for folding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106956693A true CN106956693A (en) | 2017-07-18 |
Family
ID=59481632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070870.XA Pending CN106956693A (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley and its method for folding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106956693A (en) |
-
2017
- 2017-02-09 CN CN201710070870.XA patent/CN106956693A/en active Pending
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Application publication date: 20170718 |
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| WD01 | Invention patent application deemed withdrawn after publication |