CN216886763U

CN216886763U - Flatbed and detachable truckle mounting structure thereof

Info

Publication number: CN216886763U
Application number: CN202220101342.2U
Authority: CN
Inventors: 明衡
Original assignee: Hengshui Guanghuan Caster Co ltd
Current assignee: Hengshui Guanghuan Caster Co ltd
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-07-05
Anticipated expiration: 2032-01-15

Abstract

The utility model provides a flat car and a detachable caster mounting structure thereof, and relates to the field of storage logistics. Including truckle and truckle board, be equipped with two downward archs on the truckle board, and bilateral symmetry's lug, the lug is one side open-ended slot-shaped structure, the bottom plate of lug with be parallel to each other between the truckle board and form the draw-in groove, the connecting plate joint is in the draw-in groove, make the truckle is pegged graft on the truckle board. The mounting structure has the advantages of ingenious design and simple structure, solves the problems of low disassembly and assembly speed, low efficiency, labor and time consumption caused by the traditional screw connection fixing mode, and simultaneously enables the load-carrying parts of the flat car to be folded, thereby saving the occupied area.

Description

Flatbed and detachable truckle mounting structure thereof

Technical Field

The utility model relates to the field of storage logistics, in particular to a flat car and a detachable caster mounting structure thereof.

Background

The flatbed is a common utensil in the storage logistics industry, owing to have the removal nimble, the convenient advantage of loading and unloading, consequently is essential instrument in short distance goods turnover transportation.

The bottom of the flat car is generally provided with the trundles, so that the flat car can move objects very easily through the trundles, and the objects with larger weight can be pushed only by small manpower. At present, the truckle installation of most of flatcars on the market all is through the bolt fastening to the layer board on, though this kind of fixed mode fastness is good, nevertheless to some flatcars that can fold the layer board, adopt dismouting bolt speed slow, inefficiency, still take a lot of work and time.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the background art, the utility model provides a flat car and a detachable caster mounting structure thereof, and solves the problems of low dismounting speed, low efficiency, labor and time consumption caused by the fact that casters are fixed on the flat car with a foldable supporting plate in a screw connection mode.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

on one hand, the utility model provides a detachable caster mounting structure which comprises a caster, wherein the caster comprises a connecting plate, a support frame and a roller, the support frame is positioned below the connecting plate, the support frame is connected with the connecting plate, and the roller is rotatably connected with the support frame through a transverse rotating shaft so that the roller can rotate;

still include the truckle board, be equipped with two downward archs on the truckle board, and bilateral symmetry's lug, the lug is one side open-ended slot-shaped structure, the bottom plate of lug with be parallel to each other between the truckle board and form the draw-in groove, the connecting plate joint is in the draw-in groove, make the truckle is pegged graft on the truckle board.

Furthermore, the depth of the clamping groove is matched with the thickness of the connecting plate, and the connecting plate and the clamping groove are in interference fit.

Further, the opening of the lug on the left side faces to the right, and the opening of the lug on the right side faces to the left.

Furthermore, the lug is formed by processing through stamping and bending processes of a hardware mould.

Furthermore, a guide rail groove which is concave downwards is arranged on the bottom plate of the lug, a guide rail strip which is matched with the guide rail groove is arranged on the connecting plate, and the connecting plate slides into the guide rail groove through the guide rail strip.

Further, when the caster wheel is a universal wheel, the support frame is rotatably connected with the connecting plate through a vertical rotating shaft;

when the caster wheel is the directional wheel, the support frame is fixedly connected with the connecting plate.

In another aspect, the present invention further provides a flatbed that employs the detachable caster mounting structure, and includes: load subassembly, push away and hold up the subassembly and install through the connecting piece both ends about load subassembly front side up end, wherein:

the load-carrying assembly comprises a left steel frame, a right steel frame and a hinge, the left steel frame and the right steel frame are symmetrically positioned at the left side and the right side of the hinge, and the left steel frame and the right steel frame can be unfolded or folded by taking the hinge as an axis;

the number of the caster boards is four, and the caster boards are symmetrically fixed at the front end and the rear end of the outer side of the lower end face of the left steel frame and the right steel frame respectively;

the connecting piece comprises two brackets which are respectively fixed on the outer sides of the left steel frame and the right steel frame, and limit grooves are formed in the brackets;

the push-and-hold assembly comprises handrails which are of hollow structures, the handrails are installed on the support through pin shafts and can be unfolded or folded, the number of the handrails is two, the handrails are respectively located on the outer sides of the upper ends of the left steel frame and the right steel frame, the handrail located at the left steel frame is connected with the handrail located at the right steel frame through stopper rods.

In a possible implementation manner, the inner side and the outer side of the lower end of the armrest are provided with a projection, and when the armrest needs to be unfolded, the projection slides from the opening of the limiting groove to the tail end of the limiting groove, so that the armrest is perpendicular to the left steel frame or the right steel frame;

when the handrail needs to be folded, the lug at the tail end of the limiting groove slides out of the opening, so that the handrail is horizontally placed with the left steel frame or the right steel frame.

In a possible implementation, stopper stick one end is the stiff end, and its other end is the expansion end, if the stiff end stopper of stopper stick is stifled in left handrail, works as when the handrail is in the expansion state, the expansion end plug bush of stopper stick is in right handrail, works as when the handrail is in fold condition, the expansion end of stopper stick is followed extract in the right handrail.

In a possible implementation mode, push away and hold up the subassembly and still include the extension spring, extension spring one end is the stiff end, and its other end is the expansion end, the stiff end of extension spring is fixed in the inboard latch closure of left side handrail, work as when the handrail is in the expansion state, the expansion end of extension spring is hung in the inboard latch closure of right side handrail, work as when the handrail is in fold condition, the expansion end of extension spring is followed pull out in the inboard latch closure of right side handrail.

In a possible implementation mode, stopper stick one end is the stiff end, and its other end is the expansion end, if the stiff end stopper of stopper stick is stifled in right handrail, works as when the handrail is in the expansion state, the expansion end plug bush of stopper stick is in left handrail, works as when the handrail is in fold condition, the expansion end of stopper stick is followed extract in the left handrail.

In a possible implementation mode, push away and hold up the subassembly and still include the extension spring, extension spring one end is the stiff end, and its other end is the expansion end, the stiff end of extension spring is fixed in the inboard latch closure of right side handrail, work as when the handrail is in the expansion state, the expansion end of extension spring is hung in the inboard latch closure of left side handrail, work as when the handrail is in fold condition, the expansion end of extension spring is followed pull out in the inboard latch closure of left side handrail.

In one possible implementation manner, the left steel frame and the right steel frame are both frame structures formed by processing sectional materials.

In one possible implementation, the left armrest is the armrest located at the left steel frame, and the right armrest is the armrest located at the right steel frame.

(III) advantageous effects

The utility model provides a flat car and a detachable caster mounting structure thereof, which comprise casters and caster plates, wherein the caster plates are provided with two lugs which are protruded downwards and are bilaterally symmetrical, the lugs are in a groove-shaped structure with an opening at one side, a bottom plate of the lugs is parallel to the caster plates to form clamping grooves, and a connecting plate is clamped in the clamping grooves, so that the casters are inserted on the caster plates. The mounting structure has the advantages of ingenious design and simple structure, solves the problems of low disassembly and assembly speed, low efficiency, labor and time consumption caused by the traditional screw connection fixing mode, and simultaneously enables the load-carrying parts of the flat car to be folded, thereby saving the occupied area.

Drawings

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to make the technical solutions of the present invention practical in accordance with the contents of the specification, the following detailed description is given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

FIG. 1 is a first structural assembly view of a detachable caster wheel mounting structure according to an embodiment;

FIG. 2 is a second structural assembly view of the detachable caster mounting structure in accordance with an embodiment;

FIG. 3 is an exploded view of the detachable caster wheel mounting structure in accordance with one embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a schematic illustration of an expanded configuration of the flatbed in an embodiment;

FIG. 6 is a schematic view of a folding structure of the flatbed cart in accordance with an embodiment;

illustration of the drawings: 1-a load carrying assembly; 11-left steel frame, 12-right steel frame; 13-a hinge; 2-a connector; 21-a scaffold; 211-a limiting groove; 22-a pin shaft; 3-a push-right assembly; 31-a handrail; 311-left armrest; 312-right armrest; 313-a bump; 32-a stopper rod; 33-a tension spring; 4-a caster; 41-connecting plate; 42-a support frame; 43-a roller; 5-caster board; 51-a lug; 52-card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.

As shown in fig. 1-4, the present invention provides a detachable caster mounting structure, including a caster 4, as shown in fig. 1 and 2, the caster 4 includes a connecting plate 41, a supporting frame 42 and a roller 43, the supporting frame 42 is located below the connecting plate 41, the supporting frame 42 is connected to the connecting plate 41, and the roller 43 is rotatably connected to the supporting frame 42 via a transverse rotating shaft, so that the roller 43 can rotate.

Specifically, when the caster 4 is a universal wheel, the support frame 42 is rotatably connected with the connecting plate 41 through a vertical rotating shaft;

when the caster 4 is a directional wheel, the supporting frame 42 is fixedly connected with the connecting plate 41. In this application truckle 4 not only can be universal wheel and directive wheel, still can be for other structural style, is guaranteeing under this mounting structure is not influenced the prerequisite, and the structural style of truckle 4 can be selected according to actual need to the technical staff in the field, and the change of truckle 4 structural style does not influence the protection scope of this application.

As shown in fig. 3 and 4, the caster wheel device further comprises a caster wheel plate 5, two downward-protruding and bilaterally-symmetrical lugs 51 are arranged on the caster wheel plate 5, the lugs 51 are groove-shaped structures with one open side, a bottom plate of the lugs 51 is parallel to the caster wheel plate 5 to form a clamping groove 52, and the connecting plate 41 is clamped in the clamping groove 52, so that the caster wheel 4 is inserted into the caster wheel plate 5.

Specifically, the lug 51 is formed by stamping and bending processes of a hardware die. Meanwhile, the present application is not particularly limited to the manner of processing the lug 51.

Specifically, the caster plate 5 is a metal plate, and the thickness of the metal plate is not less than 3 mm.

Further, a guide rail groove which is concave downwards is arranged on the bottom plate of the lug 51, a guide rail strip which is matched with the guide rail groove is arranged on the connecting plate 41, and the connecting plate 41 slides into the guide rail groove through the guide rail strip.

Preferably, the depth of the locking groove 52 is matched with the thickness of the connecting plate 41, and the connecting plate 41 and the locking groove 52 are in interference fit.

Specifically, because the connecting plate 41 and the clamping groove 52 are in interference fit, the caster 4 and the caster plate 5 are firmly connected and are not easy to fall off, and the phenomenon that the caster 4 falls off or is misplaced in the operation process is avoided.

Preferably, as shown in fig. 4, the opening of the lug 51 on the left side faces to the right, and the opening of the lug 51 on the right side faces to the left. Only when the left and right lugs 51 are symmetrically opened, the connecting plate 41 of the caster 4 can be inserted into the slot 52.

In another aspect, the present invention provides a flatbed, as shown in fig. 5 to 6, which employs the detachable caster 4 mounting structure and includes: load subassembly 1, push away and hold up subassembly 3, it installs through connecting piece 2 to push away and hold up subassembly 3 both ends about 1 front side up end of load subassembly, wherein:

as shown in fig. 5, the load-carrying assembly 1 includes a left steel frame 11, a right steel frame 12 and a hinge 13, the left steel frame 11 and the right steel frame 12 are symmetrically located at left and right sides of the hinge 13, and the left steel frame 11 and the right steel frame 12 can be unfolded or folded by using the hinge 13 as an axis.

Specifically, the left steel frame 11 and the right steel frame 12 are both frame structures formed by processing sectional materials. The section bar is cavity thin wall square pipe, has light in weight, advantage that the bearing is good, and simultaneously, the section bar not only can be cavity thin wall square pipe, still can be for other tubular products, under the prerequisite of guaranteeing that this flatbed working property is not influenced, and the shape, the structure of tubular product can be selected according to actual need to technical staff in the art, and the change of tubular product shape and structure does not influence the protection scope of this application.

The number of the caster boards 5 is four, and the caster boards are symmetrically fixed to the front end and the rear end of the outer side of the lower end face of the left steel frame 11 and the right steel frame 12 respectively.

As shown in fig. 5, the connecting member 2 includes two brackets 21, the two brackets 21 are respectively fixed to the outer sides of the left steel frame 11 and the right steel frame 12, and the bracket 21 is provided with a limiting groove 211.

The pushing and supporting assembly 3 comprises handrails 31, the handrails 31 are of a hollow structure, the handrails 31 are installed on the support 21 through the pin shafts 22 and can be unfolded or folded, the number of the handrails 31 is two, the handrails 31 are respectively located on the outer sides of the upper ends of the left steel frame 11 and the right steel frame 12, the handrail 31 located on the left steel frame 11 is connected with the handrail 31 located on the right steel frame 12 through the stopper rods 32.

Preferably, the inner side and the outer side of the lower end of the armrest 31 are both provided with a protrusion 313, as shown in fig. 5, when the armrest 31 needs to be unfolded, the protrusion 313 slides from the opening of the limiting groove 211 to the tail end of the limiting groove, so that the armrest 31 is perpendicular to the left steel frame 11 or the right steel frame 12;

as shown in fig. 6, when the armrest 31 needs to be folded, the protrusion 313 at the tail end of the limiting groove 211 slides out of the opening, so that the armrest 31 is placed flat on the left steel frame 11 or the right steel frame 12.

In an application scene, the bump 313 of the handrail 31 is matched with the limit groove 211 on the bracket 21, so that the bump 313 can slide in or slide out from the limit groove 211, when the handrail 31 needs to be unfolded, the handrail 31 rotates along with the pin shaft 22 along a preset direction, when the handrail rotates to a preset angle, the bump 313 automatically slides in from an opening of the limit groove 211, the handrail 31 continues to rotate, and the bump 313 synchronously slides to the tail end of the limit groove 211, so that the bump 313 is clamped at the tail end of the limit groove 211, and an operator can push and pull goods conveniently;

as shown in fig. 6, when folding is required, the armrest 31 performs a rotation movement in a direction opposite to the preset direction, so that the protrusion 313 slides to the opening from the rear end of the limiting groove 211, and then disengages from the limiting groove 211, and finally the armrest 31 is folded in parallel with the left and right steel frames 12.

Specifically, the left armrest 311 is the armrest 31 located on the left steel frame 11, and the right armrest 312 is the armrest 31 located on the right steel frame 12.

Further, as shown in fig. 5, one end of the stopper rod 32 is a fixed end, and the other end thereof is a movable end, and if the fixed end of the stopper rod 32 is jammed in the left handrail 311, the movable end of the stopper rod 32 is inserted into the right handrail 312 when the handrail 31 is in the unfolded state, and the movable end of the stopper rod 32 is pulled out from the right handrail 312 when the handrail 31 is in the folded state.

Specifically, the material of stopper 32 is rubber, and the material of stopper 32 not only can be rubber simultaneously, still can be for other materials, guaranteeing that this flatbed working property is not influenced under the prerequisite, and the material of stopper 32 can be selected according to actual need to the technical staff in the field, and the scope of protection of this application is not influenced in the change of stopper 32 material.

In an application scenario, the diameter of the fixed end of the stopper rod 32 is larger than that of the movable end thereof, so as to facilitate the insertion and extraction of the movable end. The fixed end of the stopper 32 is in interference fit with the left armrest 311, and the movable end thereof is in clearance fit with the right armrest 312.

Further, as shown in fig. 5, it still includes extension spring 33 to push up subassembly 3, extension spring 33 one end is the stiff end, and its other end is the expansion end, the stiff end of extension spring 33 is fixed in the inside latch closure of left side handrail 311, works as when handrail 31 is in the expansion state, the expansion end of extension spring 33 is hung in the inside latch closure of right side handrail 312, works as when handrail 31 is in fold condition, the expansion end of extension spring 33 is followed pull out in the inside latch closure of right side handrail 312.

Further, as shown in fig. 5, one end of the stopper rod 32 is a fixed end, and the other end thereof is a movable end, if the fixed end of the stopper rod 32 is plugged in the right armrest 312, when the armrest 31 is in the expanded state, the movable end of the stopper rod 32 is inserted in the left armrest 311, and when the armrest 31 is in the folded state, the movable end of the stopper rod 32 is pulled out from the left armrest 311.

Further, as shown in fig. 5, it still includes extension spring 33 to push up subassembly 3, extension spring 33 one end is the stiff end, and its other end is the expansion end, the stiff end of extension spring 33 is fixed in the inside latch closure of right side handrail 312, work as when handrail 31 is in the expansion state, the expansion end of extension spring 33 is hung in the inside latch closure of left side handrail 311, works as when handrail 31 is in fold condition, the expansion end of extension spring 33 is followed pull out in the inside latch closure of left side handrail 311. Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to implement the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above disclosure is only a concrete implementation scenario of the present invention, however, the present invention is not limited to this, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A detachable caster wheel mounting structure comprises a caster wheel (4), wherein the caster wheel (4) comprises a connecting plate (41), a supporting frame (42) and a roller (43), the supporting frame (42) is positioned below the connecting plate (41), the supporting frame (42) is connected with the connecting plate (41), and the roller (43) is rotatably connected with the supporting frame (42) through a transverse rotating shaft, so that the roller (43) can rotate;

still include truckle board (5), be equipped with two downward archs on truckle board (5), and bilateral symmetry's lug (51), lug (51) are one side open-ended slot-shaped structure, the bottom plate of lug (51) with be parallel to each other and form draw-in groove (52) between truckle board (5), connecting plate (41) joint is in draw-in groove (52), make truckle (4) peg graft on truckle board (5).

2. A detachable caster wheel mounting structure as claimed in claim 1, wherein said locking groove (52) has a depth corresponding to the thickness of said connecting plate (41), and said connecting plate (41) and said locking groove (52) are in interference fit.

3. A detachable caster wheel mounting structure, as recited in claim 1, wherein said lug (51) on the left side has an opening facing to the right and said lug (51) on the right side has an opening facing to the left.

4. A demountable caster wheel mounting structure according to claim 1, wherein when said caster wheel (4) is a universal wheel, said supporting frame (42) is rotatably connected to said connecting plate (41) via a vertical rotating shaft;

when the caster wheel (4) is a directional wheel, the support frame (42) is fixedly connected with the connecting plate (41).

5. A flat cart to which the detachable caster wheel mounting structure of any one of claims 1 to 4 is applied, and which comprises: load subassembly (1), push up subassembly (3) and install through connecting piece (2) both ends about load subassembly (1) front side up end, wherein:

the load-carrying assembly (1) comprises a left steel frame (11), a right steel frame (12) and a hinge (13), the left steel frame (11) and the right steel frame (12) are symmetrically positioned at the left side and the right side of the hinge (13), and the left steel frame (11) and the right steel frame (12) can be unfolded or folded by taking the hinge (13) as an axis;

the number of the caster boards (5) is four, and the caster boards are symmetrically fixed at the front end and the rear end of the outer side of the lower end face of the left steel frame (11) and the right steel frame (12) respectively;

the connecting piece (2) comprises two brackets (21), the two brackets (21) are respectively fixed on the outer sides of the left steel frame (11) and the right steel frame (12), and the brackets (21) are provided with limiting grooves (211);

the push-and-hold assembly (3) comprises handrails (31), the handrails (31) are of a hollow structure, the handrails (31) are installed on the support (21) through pin shafts (22) and can be unfolded or folded, the number of the handrails (31) is two, the handrails (31) are respectively located on the outer sides of the upper ends of the left steel frame (11) and the right steel frame (12), the handrails (31) are located on the left steel frame (11), and the handrails (31) located on the right steel frame (12) are connected through stopper rods (32).

6. The flat car according to claim 5, wherein the handle (31) has a protrusion (313) at both the inner side and the outer side of the lower end, and when the handle (31) needs to be unfolded, the protrusion (313) slides from the opening of the limiting groove (211) to the tail end of the limiting groove, so that the handle (31) is perpendicular to the left steel frame (11) or the right steel frame (12);

when the handrail (31) needs to be folded, the projection (313) at the tail end of the limiting groove (211) slides out of the opening, so that the handrail (31) is horizontally placed with the left steel frame (11) or the right steel frame (12).

7. A flatbed cart as claimed in claim 6, wherein said stopper rod (32) has a fixed end at one end and a movable end at the other end, and if said fixed end of said stopper rod (32) is jammed in said left armrest (311), said movable end of said stopper rod (32) is inserted into said right armrest (312) when said armrest (31) is in said unfolded state, and said movable end of said stopper rod (32) is pulled out from said right armrest (312) when said armrest (31) is in said folded state.

8. The flat car according to claim 7, wherein the pushing assembly (3) further comprises a tension spring (33), one end of the tension spring (33) is a fixed end, and the other end of the tension spring is a movable end, the fixed end of the tension spring (33) is fixed in the ring buckle on the inner side of the left handrail (311), when the handrail (31) is in the unfolded state, the movable end of the tension spring (33) is hung in the ring buckle on the inner side of the right handrail (312), and when the handrail (31) is in the folded state, the movable end of the tension spring (33) is pulled out from the ring buckle on the inner side of the right handrail (312).

9. A flatbed cart as claimed in claim 6, wherein said stopper rod (32) has a fixed end at one end and a movable end at the other end, and if said fixed end of said stopper rod (32) is jammed in said right armrest (312), said movable end of said stopper rod (32) is inserted into said left armrest (311) when said armrest (31) is in said unfolded state, and said movable end of said stopper rod (32) is pulled out from said left armrest (311) when said armrest (31) is in said folded state.

10. The flat car according to claim 9, wherein the pushing assembly (3) further comprises a tension spring (33), one end of the tension spring (33) is a fixed end, and the other end of the tension spring is a movable end, the fixed end of the tension spring (33) is fixed in the ring buckle on the inner side of the right armrest (312), when the armrest (31) is in the unfolded state, the movable end of the tension spring (33) is hung in the ring buckle on the inner side of the left armrest (311), and when the armrest (31) is in the folded state, the movable end of the tension spring (33) is pulled out from the ring buckle on the inner side of the left armrest (311).