CN206569099U - A kind of folding type trolley - Google Patents
A kind of folding type trolley Download PDFInfo
- Publication number
- CN206569099U CN206569099U CN201720119421.5U CN201720119421U CN206569099U CN 206569099 U CN206569099 U CN 206569099U CN 201720119421 U CN201720119421 U CN 201720119421U CN 206569099 U CN206569099 U CN 206569099U
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- China
- Prior art keywords
- guardrail
- hinged
- buckle structure
- main body
- duplicate
- Prior art date
- 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.)
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Abstract
A kind of folding type trolley, 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, upper strata fence is folded with lower floor fence again after folding, and puts down being stacked on underframe in the way of folding up and down, and the center of gravity of chassis declines, without the danger toppled over.In use, lower fence is deployed on underframe, upper railingses are deployed in above lower fence.The design folding convenient is quick, and Stability Analysis of Structures uses safety.
Description
Technical field
The utility model is related 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.
Utility model content
The technical problem that the utility model is solved：How to make the chassis decentralization after folding, be horizontal, to protect
Demonstrate,prove the safe handling of chassis.
In order to solve the above technical problems, the utility model provides following technical scheme：A kind of folding type trolley, including activity
It is connected to the fence on underframe, the roller installed in underframe bottom；The fence includes upper railingses and lower fence；The lower fence
Rear guardrail, rear side and the left guardrail being hinged on the left of rear guardrail, the right side of rear side and rear guardrail being hinged on including bottom on underframe
The right guardrail that side is hinged；The bottom of left guardrail is provided with the first buckle structure being locked on the left of underframe, and the bottom of right guardrail is provided with
It is locked in the second buckle structure on the right side of underframe；Guardrail after the upper railingses are hinged on second at the top of rear guardrail including bottom,
The second right shield being hinged after the second left guardrail for being hinged after rear side and second on the left of guardrail, rear side and second on the right side of guardrail
Column；Threeth buckle structure of the top of left guardrail provided with the second left guardrail of locking, the top of right guardrail is provided with the second right shield of locking
4th buckle structure on column.
By above-mentioned technical proposal, the left guardrail and right guardrail being hinged on rear guardrail can opposite direction rotating, after left guardrail is abutted
Right guardrail abuts left guardrail again after guardrail, or, left guardrail abuts right guardrail to right guardrail again after rear guardrail, i.e. left and right is protected
Column is superimposed upon on rear guardrail.In the same manner, after the second left guardrail and the second right guardrail may be superimposed on second on guardrail.Afterwards, second
Guardrail is lower backward again afterwards rotates, and is superimposed with rear guardrail.Afterwards, rear guardrail is lower further along rotates, and is superimposed upon on underframe, so far, on
Fence and lower fence are overlayed on underframe in the way of being superimposed up and down, the decentralization of whole chassis.
By above-mentioned technical proposal, when need to use chassis, guardrail after rotation makes it in setting shape；Afterwards, to the left shield of anticlockwise
Column, to right rotation right guardrail, left guardrail is opened with right guardrail, during to precalculated position, and left guardrail is locked in by the first buckle structure
On underframe, right guardrail is locked on underframe by the second buckle structure.Afterwards, guardrail after being flipped up second, makes it in setting shape,
The second left guardrail and the second right guardrail are opened again, and during to precalculated position, the second left guardrail is locked in left shield by the 3rd buckle structure
On column, the second right guardrail is locked on right guardrail by the 4th buckle structure, so far, and chassis is in use state.
It is fixed with the left of underframe on the right side of the first shop bolt, underframe and is fixed with the second shop bolt；First lock knot
Structure sets locating groove, and the sidepiece of locating groove, which is opened up, is caught in mouth, and locating groove is in the way of level curve is moved and shop bolt
Engaging, 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
First buckle structure, the second shop bolt enters locating groove from the mouth that is caught in of the second buckle structure；The card of first buckle structure
Entrance is opened in the left side of locating groove；Second buckle structure is caught in the right side that mouth is opened in locating groove.
By above-mentioned design, to anticlockwise left guardrail, to right rotation right guardrail, left guardrail opens with right guardrail, to pre-determined bit
Put, when such as left guardrail, right guardrail are vertical with rear guardrail respectively, the locating groove on left guardrail and the first alignment pin on the left of underframe
The locating groove of the second buckle structure engages with the second shop bolt on the right side of underframe on nail engaging, right guardrail, left guardrail and the right side
Guardrail is locked on underframe.Above-mentioned locating groove engages in the way of level curve is moved with shop bolt, its concrete meaning
It is as follows：Rotated to the left or to the right in the left guardrail for erectting shape, locating groove transfer thereon, the locating groove of transfer is made
Motion be level curve movement, after locating groove transfer predetermined angular, the first shop bolt being fixedly installed is from locating groove
Side, that is, be caught in mouth and enter locating groove, engage with locating groove；The locating groove of second buckle structure and bottom on right guardrail
The snap fit of the second shop bolt of seat right side is same as on left guardrail the locating groove of the first buckle structure and chassis left side the
The snap fit of one shop bolt.
By above-mentioned design, left guardrail rotates from right to left, thereon the locating groove of the first buckle structure and chassis left side
First shop bolt engages；Right guardrail rotates from left to right, thereon on the right side of the locating groove and base of the second buckle structure
Two shop bolts engage.
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 guide sleeve be bolted with the screwed hole connected with locating groove, screwed hole, the end of guide sleeve opens up in-line locating slot,
Adjustable spring is provided with guide sleeve；First latch is plugged in guide sleeve, 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 above-mentioned design, initially, the first latch, in the state of extraction, is stretched not in the locating groove of the first buckle structure
Contracting spring gathers elastic potential energy, and in-line location division departs from in-line locating slot, effect of the in-line location division in adjustable spring
Under be against on the end face of guide sleeve；After the first shop bolt engages with locating groove, operating personnel rotate latch, make in-line
Location division is alignd with in-line locating slot, in the presence of adjustable spring, and in-line location division is caught in in-line locating slot, is stretched
The elastic potential energy of spring is released, and in the jack of the first latch insertion locating groove and the first shop bolt, is inserted into positioning
Hole, locating groove and the first shop bolt are locked.Wherein, the shape of locating slot is not limited to in-line, can be cross
Or other geometries.
The bottom of second left guardrail is fixed with the 3rd shop bolt, and the bottom of the second right guardrail is fixed with the 4th alignment pin
Nail；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 with
The mode of level curve movement is caught in mouth through second and is caught in the second locating groove；The structure of 4th buckle structure is same as the 3rd lock
Buckle structure, the 4th shop bolt second being caught in mouth and be caught in the second positioning through the 4th buckle structure in the way of level curve is moved
Neck；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
Mouth is opened in the right side of the second locating groove；The 3rd is movably equipped with the side wall of second locating groove of the 3rd buckle structure to insert
Pin, the 3rd shop bolt opens up the 3rd jack with the 3rd latch matching design；Second locating groove of the 4th buckle structure
The 4th latch is movably equipped with the wall of side, the 4th shop bolt opens up the 4th jack with the 4th latch matching design.Above-mentioned 3rd
The structure design of buckle structure is same as the 4th buckle structure, and is same as the first buckle structure.Above-mentioned 3rd shop bolt with
The cooperation principle of 3rd buckle structure is same as the cooperation principle of the 4th shop bolt and the 4th buckle structure, and is same as first
The cooperation principle of shop bolt and the first buckle structure.
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 sets and is 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 described in the utility model is mainly made up of upper railingses, lower fence, underframe.In use, upper railingses and lower fence
It is deployed on underframe, during storage, upper railingses are folded with lower fence again after folding, and put down being stacked on underframe in the way of folding up and down,
While being easy to 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 utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of folding type trolley of the utility model；
Fig. 2 is a kind of front view of folding type trolley of the utility model；
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.
The lower fence includes rear guardrail 21, rear side and the left shield being hinged on the left of rear guardrail that bottom is hinged 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
Guide sleeve is bolted with screwed hole 33, screwed hole, the end of guide sleeve is opened up in in-line locating slot, guide sleeve provided with flexible bullet
Spring；First latch is plugged in guide sleeve, 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 guide sleeve is bolted with hole, screwed hole, the end of the second guide sleeve is opened up to be provided with in-line locating slot, the second guide sleeve
Second adjustable spring；Second latch is plugged in the second guide sleeve, 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 include bottom be hinged on the top of rear guardrail 21 second after guardrail 51, rear side
With second after the second left guardrail 52, the second right guardrail that is hinged on the right side of guardrail after rear side and second that are hinged on the left of guardrail
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 sets and is 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, after the second left guardrail abuts second after guardrail 51
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, in this way, 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, in this way, 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 better embodiment of the present utility model, for one of ordinary skill in the art, according to this
The thought of utility model, will change in specific embodiments and applications, and this specification content should not be understood
For to limitation of the present utility model.
Claims (9)
1. a kind of folding type trolley, including fence, the roller installed in underframe bottom being movably connected on underframe (10)；It is special
Levy and be：
The fence includes upper railingses (50) and lower fence (20)；
The lower fence includes rear guardrail (21), rear side and the left guardrail being hinged on the left of rear guardrail that bottom is hinged on underframe
(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 first be 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 upper railingses are hinged on after second at the top of rear guardrail (21) guardrail after guardrail (51), rear side and second including bottom
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；Left guardrail
(22) threeth buckle structure (302) of the top provided with the second left guardrail of locking, the top of right guardrail (23) is provided with locking second
4th buckle structure (303) of right guardrail.
2. a kind of folding type trolley as claimed in claim 1, it is characterised in that：Underframe is fixed with the first positioning on the left of (10)
The second shop bolt (12) is fixed with the right side of pin (11), underframe；
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 the first shop bolt, and the first shop bolt enters positioning from the mouth that is caught in of the first buckle structure
Neck；
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.
3. a kind of folding type trolley as claimed in claim 2, it is characterised in that：The locating groove of first buckle structure (30)
(31) opened up on side wall in the screwed hole (33) connected with locating groove, screwed hole and be bolted with guide sleeve, the end of guide sleeve
Open up and adjustable spring is provided with in-line locating slot, guide sleeve；
First latch is plugged in guide sleeve, 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.
4. a kind of folding type trolley as claimed in claim 1, it is characterised in that：The bottom of second left guardrail (52) is fixed with
Three shop bolts (521), the bottom of the second right guardrail is fixed with the 4th shop bolt (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 as claimed in claim 1, it is characterised in that：The rear guardrail (21) passes through hinge assembly
(40) it is hinged with underframe (10), left guardrail (22) is hinged by hinge assembly with rear guardrail (21), right guardrail (23) is by being hinged
Component is hinged 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.
6. a kind of folding type trolley as claimed in claim 5, it is characterised in that：Being hinged main part (41) includes being arranged on being hinged master
A pair of lugs (412) in part main body (411), being hinged duplicate (42) includes being arranged on that to be hinged upper one of duplicate main body (421) convex
Ear (422) a, lug for being hinged duplicate is hinged between a pair of lugs for being hinged main part, and the damping fin, which is arranged on, is hinged pair
The side wall of one lug of part and it 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.
7. a kind of folding type trolley as claimed in claim 6, it is characterised in that：Main part main body (411) is hinged by main part main body
Left-half 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 master
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) 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.
8. a kind of folding type trolley as claimed in claim 6, it is characterised in that：It is hinged left guardrail (22) and rear guardrail (21)
The distance between hinge assembly (40), its jointed shaft and rear guardrail are the first distance, are hinged the hinge of right guardrail (23) and rear guardrail
The distance between connected components, 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.
9. 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)
Front side between be detachably connected respectively with left guardrail, right guardrail provided with preceding shield part (24), the left and right sides of preceding shield part；
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 |
|---|---|---|---|
| CN201720119421.5U CN206569099U (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720119421.5U CN206569099U (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley |
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| Publication Number | Publication Date |
|---|---|
| CN206569099U true CN206569099U (en) | 2017-10-20 |
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ID=60058787
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720119421.5U Expired - Fee Related CN206569099U (en) | 2017-02-09 | 2017-02-09 | A kind of folding type trolley |
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| Country | Link |
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| CN (1) | CN206569099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353387A (en) * | 2018-10-31 | 2019-02-19 | 成都高新区新宁物流有限公司 | A kind of table trolley |
| CN109812002A (en) * | 2019-01-25 | 2019-05-28 | 江苏能建机电实业集团有限公司 | For boiler maintenance ash mouth support platform and building method |
-
2017
- 2017-02-09 CN CN201720119421.5U patent/CN206569099U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353387A (en) * | 2018-10-31 | 2019-02-19 | 成都高新区新宁物流有限公司 | A kind of table trolley |
| CN109812002A (en) * | 2019-01-25 | 2019-05-28 | 江苏能建机电实业集团有限公司 | For boiler maintenance ash mouth support platform and building method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |