CN111845886A - Foldable flat trolley - Google Patents
Foldable flat trolley Download PDFInfo
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- CN111845886A CN111845886A CN202010821473.3A CN202010821473A CN111845886A CN 111845886 A CN111845886 A CN 111845886A CN 202010821473 A CN202010821473 A CN 202010821473A CN 111845886 A CN111845886 A CN 111845886A
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- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
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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
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Abstract
The application relates to a foldable flat handcart, which comprises a bearing platform, a mounting seat, a handle, a slider, an elastic assembly and an unlocking assembly, wherein the mounting seat is at least provided with one group and fixedly assembled on the bearing platform; the sliding block is assembled at the bottom of the upright column in a sliding manner, the sliding direction of the sliding block is consistent with the length direction of the upright column, the elastic component is arranged at the bottom of the upright column and drives the sliding block to slide towards the direction in the installation gap, and a limiting structure for preventing the upright column from rotating is arranged between the sliding block and the side plate; on the mount pad was located to the unblock subassembly, the unblock subassembly was used for driving about the slider and slides in order to realize unblock limit structure towards the outer direction in installation clearance. This application has sound construction, uses more convenient effect.
Description
Technical Field
The application relates to the technical field of trolleys, in particular to a foldable flat trolley.
Background
Flat-bed handcart mainly used transportation goods generally includes load-bearing platform, handle (or be called handrail, handle etc.), truckle etc. and the quantity of truckle is generally three to four, when not using, for saving space, is convenient for deposit, and the handle of most shallow can generally fold to rotate and set up on load-bearing platform.
The foldable handle generally has two using states of a joint bearing platform and a vertical bearing platform, and is generally locked by bolts in order to fix the handle in the two using states.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the user need bow to go to loosen soon the bolt when switching above-mentioned two kinds of states, then rotates the handle, screws the bolt again, and this kind of operation mode is convenient inadequately, uses and experiences not well, so await the improvement.
Disclosure of Invention
In order to make the flatbed handcart use more convenient, this application provides a collapsible flatbed handcart.
The application provides a collapsible dull and stereotyped handcart adopts following technical scheme:
a foldable flat-plate handcart is composed of a bearing platform, a mounting seat, a handle, a slide block, an elastic module and a unlocking module,
the mounting seat is at least provided with one group and fixedly assembled on the bearing platform, the mounting seat is provided with two side plates, the two side plates are arranged at intervals to form a mounting gap, the handle is provided with at least one upright post, the bottom end of the upright post extends into the mounting gap between the two side plates, the bottom end of the upright post is rotatably assembled on the side plates, and the rotating direction of the upright post is horizontally arranged;
the sliding block is assembled at the bottom of the upright column in a sliding mode, the sliding direction of the sliding block is consistent with the length direction of the upright column, the elastic assembly is arranged at the bottom of the upright column and drives the sliding block to slide towards the direction in the installation gap, and a limiting structure for preventing the upright column from rotating is arranged between the sliding block and the side plate;
the unlocking assembly is arranged on the mounting seat and used for driving the sliding block to slide towards the direction outside the mounting gap so as to realize unlocking of the limiting structure.
By adopting the technical scheme, when the sliding block is separated from the mounting gap, the upright post can freely rotate relative to the mounting seat, so that a user can drive the handle to be attached to the upper surface of the bearing platform, and the purpose of accommodating the handle is achieved; when the stand rotated to vertical state, under elastic pressure effect of elastic component, the slider can slide in the installation clearance, and cooperates limit structure to realize the locking purpose. Compared with a common flat-plate trolley, although the upright post of the handle can freely rotate, when the upright post needs to be kept in a vertical state, the upright post is realized by limiting the forward and backward rotation of the sliding block and a limiting structure through the two side plates, and the locking of bolts is not needed, so that the bolts do not need to be bent to loosen; still increase the delocking subassembly, the unblock subassembly can order about slider upward movement and compression elastic component, with the limit structure unblock, ensures that the slider can break away from in the installation clearance of mount pad, convenience of customers' operation.
Preferably, the limiting structure comprises a limiting block and a limiting groove which are matched with each other, the limiting block is arranged on the side face of the sliding block, the limiting groove is formed in the side plate, the limiting groove is vertically arranged, and a notch of the limiting groove is communicated to the upper surface of the side plate to allow the limiting block to slide in.
Through adopting above-mentioned technical scheme, on two curb plate restriction sliders can only be in the mount pad on gliding basis from top to bottom, still increased spacing groove and stopper and mutually supported, further be favorable to the slider to slide from top to bottom stable in the mount pad to the slider is difficult for drunkenness and fore-and-aft rotation around in the mount pad, ensures that the stand can stably keep vertical state, and above-mentioned structural design's limit structure is simple and stable.
Preferably, the two side plates are respectively provided with one limiting groove, the two limiting blocks are respectively arranged on the two opposite side surfaces of the sliding block, and the limiting blocks are cuboid.
By adopting the technical scheme, the two limiting blocks and the two limiting grooves are arranged and are symmetrically designed, so that the sliding block can only slide up and down in the mounting seat, and the stand column can not rotate; and the stopper of cuboid shape, convenient preparation, simultaneously with the area of contact of spacing groove bigger, the stress state of during operation is better.
Preferably, a rotating shaft which is horizontally arranged is arranged at the bottom of the upright post, the rotating shaft is rotatably assembled with the side plate, the unlocking assembly comprises a seesaw and a force application rod, the rotating shaft penetrates through the seesaw and is rotatably assembled with the seesaw, the force application rod is arranged at one end of the seesaw, which extends out of the installation gap, and when the force application rod is pressed downwards, one end of the seesaw, which is far away from the force application rod, is tilted upwards and pushes the limiting block out of the limiting groove; when the limiting block is positioned in the limiting groove, the sliding block presses down one end of the seesaw, which is far away from the force application rod, and the force application rod is tilted upwards.
Through adopting above-mentioned technical scheme, the mode of downwards pressing the application of force pole during the unblock operation has two kinds: firstly, the force application rod is stepped down by feet, and secondly, the force application rod is pressed down by a user bending down and a hand, the two operation modes are mechanical unlocking modes, the operation is simple, and the manufacture is convenient; the unlocking assembly with the structural design has a stable structure and can be matched with the sliding block in a narrow space of the mounting seat.
Preferably, the seesaw is provided with two and is located respectively the both sides of stand, two the seesaw is with same root the application of force pole is connected.
By adopting the technical scheme, the two seesaws are adopted to jack up the same sliding block, the structural design is more symmetrical, so that the sliding block is not easy to shake and is more stable in the process of jacking up the sliding block by the seesaws or pressing down the sliding block by the elastic assembly; and a force application rod is used for driving the two seesaws, so that the unlocking operation is more convenient.
Preferably, a connecting plate is fixedly arranged between the two seesaws and located between the rotating shaft and the force application rod, a separation baffle is further fixed between the two side plates, and when the force application rod is located at the top, the separation baffle is used for separating and blocking the connecting plate.
By adopting the technical scheme, the two seesaws are connected into a whole by the connecting plate, so that the two seesaws can synchronously act, the baffle and the connecting plate are matched with each other to separate the baffle, one end of each seesaw close to the force application rod is prevented from being too tilted, and the unlocking operation is more convenient; and the baffle is supported between the two side plates, so that the structural firmness of the whole mounting seat is improved.
Preferably, the two installation seats are arranged on two sides of the rear end of the bearing platform respectively, the two corresponding unlocking assemblies are arranged, and the force application rods of the two groups of unlocking assemblies are the same.
Through adopting above-mentioned technical scheme, through setting up two sets of mount pads, the stand of the handle that corresponds also is provided with two, is favorable to promoting the installation stability of handle, just can unblock two sets of unblock subassemblies through a power of exerting oneself pole moreover, and structural design is more reasonable, and it is more convenient to operate, uses and experiences and obviously promotes, and the cost of manufacture is also lower.
Preferably, elastic component includes solid fixed ring and spring, the bottom of stand is run through gu fixed ring with the spring, gu fixed ring with stand fixed connection, the spring both ends respectively the butt in gu fixed ring with the slider.
Through adopting above-mentioned technical scheme, solid fixed ring provides stable butt basis for the top of spring, combines the bottom of stand to run through the spring to the spring is difficult for rocking and breaking away from, above-mentioned structural design's elastic component, easy to assemble and preparation, stable in structure moreover.
Preferably, two corners of the top of the side plate are respectively provided with a first fillet and a second fillet, the first fillet and the second fillet are respectively located on two sides of the limiting groove, the second fillet is located at a position higher than the first fillet, and the sliding block rotates along the first fillet after the limiting structure is unlocked.
By adopting the technical scheme, the first round angle and the second round angle can prevent two corners at the top of the side plate from being too sharp, people are not easy to hurt, and the safety coefficient is higher; when the slider rotated behind the limit structure unblock, first fillet had the guide effect to the slider, made things convenient for the slider to rotate, when the slider resets moreover, because the position that the second fillet is located is than higher, had good fender effect to the slider to prevent that the slider continues to rotate backward.
Preferably, the bottom of the upright post is in a square rod shape, a square through hole is formed in the middle of the sliding block, and an arc surface is formed at the bottom end of the upright post.
By adopting the technical scheme, the arc surface can effectively prevent the bottom end of the upright post from contacting with the mounting seat in the rotating process of the upright post; after the slider slided out from the installation clearance, the slider had not had separating of two blocks of curb plates and kept off, and square through hole can cooperate the bottom of stand, makes the slider be difficult for rotatory along the axis of stand for the bottom of stand, is favorable to promoting the stability of slider, and the slider can laminate in load-bearing platform's upper surface steadily when the handle is in the state of accomodating.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the upright column needs to be kept in a vertical state, the upright column is realized by limiting the forward and backward rotation of the sliding block and limiting structures through the two side plates, and bolts are not needed for locking, so that the bolts do not need to be stooped down to unscrew; the unlocking assembly is additionally arranged, the sliding block can be driven to move upwards by the unlocking assembly and compress the elastic assembly, the limiting structure is unlocked, the sliding block can be separated from the mounting gap of the mounting seat, and the operation of a user is facilitated;
2. the two seesaws are adopted to jack up the same sliding block, the structural design is more symmetrical, so that the sliding block is not easy to shake and is more stable in the process of being jacked up by the seesaws or being pressed down by the elastic assembly; and a force application rod is used for driving the two seesaws, so that the unlocking operation is more convenient;
3. the connecting plate enables the two seesaws to be connected into a whole, so that the two seesaws can act synchronously, the baffle plate and the connecting plate are matched with each other to prevent one end of the seesaw close to the force application rod from tilting too much, and the unlocking operation is more convenient; and the baffle is supported between the two side plates, so that the structural firmness of the whole mounting seat is improved.
Drawings
Fig. 1 is a schematic structural view of a foldable flat cart according to an embodiment of the present application, wherein the uprights are held in an upright position.
Fig. 2 is a schematic view of an assembly relationship between the pillar and the mounting base in the embodiment of the present application, in which one side plate is removed and the limiting structure is in a locked state.
Fig. 3 is a schematic view of an assembly relationship between the pillar and the mounting seat in the embodiment of the present application, where one side plate is removed and the limiting structure is in an unlocked state.
Fig. 4 is a schematic structural diagram of a mounting seat in the embodiment of the present application.
Description of reference numerals: 1. a load-bearing platform; 11. an anti-slip bar; 2. a mounting seat; 21. a side plate; 211. a limiting groove; 212. a first rounded corner; 213. a second rounded corner; 22. a baffle plate; 23. a U-shaped support plate; 3. a handle; 31. a column; 311. a rotating shaft; 4. a slider; 41. a limiting block; 5. an elastic component; 51. a fixing ring; 52. a spring; 6. an unlocking assembly; 61. a seesaw; 62. a force application rod; 63. a connecting plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Flat-bed handcart mainly used transportation goods generally includes load-bearing platform, handle (or be called handrail, handle etc.), truckle etc. and the quantity of truckle is generally three to four, when not using, for saving space, is convenient for deposit, and the handle of most shallow can generally fold to rotate and set up on load-bearing platform. The foldable handle generally has two using states of a joint bearing platform and a vertical bearing platform, and is generally locked by bolts in order to fix the handle in the two using states. The user need bow to go to loosen soon the bolt when switching above-mentioned two kinds of states, then rotates the handle, screws the bolt again, and this kind of operation mode is convenient inadequately, uses and experiences not well, so await the improvement.
The embodiment of the application discloses collapsible dull and stereotyped handcart.
Referring to fig. 1 and 2, the foldable flat cart includes a loading platform 1, a mounting seat 2, a handle 3, a slider 4, an elastic assembly 5, and an unlocking assembly 6.
Referring to fig. 1 and 2, the two mounting seats 2 are arranged on two sides of the rear end of the bearing platform 1 (the mounting seats 2 may be one or three or more in other embodiments), the two corresponding unlocking assemblies 6 are provided in two sets, the mounting seats 2 are detachably fixed on the bearing platform 1 through a plurality of sets of bolts, wheels are respectively installed on four corners of the bottom of the bearing platform 1, the anti-slip rods 11 are welded on the front end and two sides of the upper surface of the bearing platform 1, and the anti-slip rods 11 are stainless steel round rods. Be provided with two curb plates 21 on the mount pad 2, two curb plates 21 interval arrangement and formation installation clearance are provided with two stands 31 (the quantity of stand 31 and the quantity of mount pad 2 keep unanimous) on the handle 3, and in the installation clearance between two curb plates 21 was stretched into to the bottom of stand 31, the bottom of stand 31 rotated and assembled in curb plate 21, and the rotation direction level of stand 31 was arranged.
Referring to fig. 2 and 3, the slider 4 is specifically made of stainless steel, the bottom of the upright column 31 is in a square rod shape, a square through hole is formed in the middle of the slider 4, the slider 4 is slidably assembled at the bottom of the upright column 31, the sliding direction of the slider 4 is consistent with the length direction of the upright column 31, and an arc surface is formed at the bottom end of the upright column 31.
The elastic component 5 is arranged at the bottom of the upright column 31, the elastic component 5 drives the sliding block 4 to slide towards the direction in the installation gap, and a limiting structure for preventing the upright column 31 from rotating is arranged between the sliding block 4 and the side plate 21; on the mount pad 2 was located to unblock subassembly 6, unblock subassembly 6 was used for driving about slider 4 and slides in order to realize unblock limit structure towards the outer direction in installation clearance.
The elastic component 5 comprises a fixing ring 51 and a spring 52, the bottom of the upright post 31 penetrates through the fixing ring 51 and the spring 52, the spring 52 is specifically a stainless steel strong spring 52, the fixing ring 51 and the upright post 31 are welded and fixed, and two ends of the spring 52 are respectively abutted to the fixing ring 51 and the sliding block 4.
The limiting structure comprises a limiting block 41 and a limiting groove 211 which are matched with each other, the limiting block 41 is integrally formed on the side face of the sliding block 4, the limiting groove 211 is formed in the side plate 21, the limiting groove 211 is vertically arranged, and a notch of the limiting groove 211 is communicated to the upper surface of the side plate 21 to enable the limiting block 41 to slide in. Two limiting grooves 211 are respectively arranged on the two side plates 21, two limiting blocks 41 are arranged on two opposite side surfaces of the sliding block 4, and the limiting blocks 41 are cuboid.
The bottom of the upright column 31 is provided with a rotating shaft 311 which is horizontally arranged, the rotating shaft 311 is rotatably assembled with the side plate 21, the unlocking assembly 6 comprises a seesaw 61 and a force application rod 62, the rotating shaft 311 penetrates through the seesaw 61 and the force application rod are rotatably assembled, the force application rod 62 is arranged at one end of the seesaw 61 extending out of the installation gap, when the force application rod 62 is pressed downwards, one end of the seesaw 61 far away from the force application rod 62 is tilted upwards and pushes the limit block 41 out of the limit groove 211; when the limiting block 41 is positioned in the limiting groove 211, the sliding block 4 presses down one end of the seesaw 61 far away from the force application rod 62 and enables the force application rod 62 to tilt upwards.
The seesaws 61 are arranged at two sides of the upright column 31, the two seesaws 61 are connected with the same force application rod 62, and the force application rods 62 of the two groups of unlocking assemblies 6 are the same (refer to fig. 1). A connecting plate 63 is further clamped and fixed between the two seesaws 61, the connecting plate 63 is located between the rotating shaft 311 and the force application rod 62, a separation baffle 22 is further clamped and fixed between the two side plates 21, and when the force application rod 62 is located at the topmost portion, the separation baffle 22 is used for separating the connecting plate 63.
Referring to fig. 2 and 4, a first fillet 212 and a second fillet 213 are respectively disposed at two corners of the top of the side plate 21, the first fillet 212 and the second fillet 213 are respectively located at two sides of the limiting groove 211, the second fillet 213 is located at a position higher than the first fillet 212, and the slider 4 rotates along the first fillet 212 after the limiting structure is unlocked.
Still the joint installs U-shaped backup pad 23 between two curb plates 21, and when stand 31 rotated to the upper surface of laminating in load-bearing platform 1 (refer to fig. 1), U-shaped backup pad 23 just can support stand 31, is favorable to promoting stability, and U-shaped backup pad 23 can further promote the structural firmness of mount pad 2 moreover.
The implementation principle of the foldable flat trolley in the embodiment of the application is as follows: when the sliding block 4 is separated from the mounting gap, the upright column 31 can freely rotate relative to the mounting seat 2, so that a user can drive the handle 3 to be attached to the upper surface of the bearing platform 1, and the purpose of accommodating the handle 3 is achieved; when the upright column 31 rotates to the vertical state, the sliding block 4 slides into the installation gap under the action of the elastic pressure of the elastic component 5, and the purpose of locking is achieved by matching with a limiting structure. Compared with a common flat-plate cart, although the upright post 31 of the handle 3 can freely rotate, when the upright post 31 needs to be kept in a vertical state, the upright post is realized by limiting the forward and backward rotation of the sliding block 4 through the two side plates 21 and limiting structures, and does not need to be locked by bolts, and does not need to be stood down to unscrew the bolts; still increase unlocking subassembly 6, unlocking subassembly 6 can order about slider 4 upward movement and compression elastic component 5, with the limit structure unblock, ensures that slider 4 can break away from in the installation clearance of mount pad 2, convenience of customers' operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A foldable flat cart, comprising: comprises a bearing platform (1), a mounting seat (2), a handle (3), a slide block (4), an elastic component (5) and an unlocking component (6),
the mounting seat (2) is at least provided with one group and fixedly assembled on the bearing platform (1), the mounting seat (2) is provided with two side plates (21), the two side plates (21) are arranged at intervals to form a mounting gap, the handle (3) is provided with at least one upright column (31), the bottom end of the upright column (31) extends into the mounting gap between the two side plates (21), the bottom end of the upright column (31) is rotatably assembled on the side plates (21), and the rotating direction of the upright column (31) is horizontally arranged;
the sliding block (4) is assembled at the bottom of the upright post (31) in a sliding mode, the sliding direction of the sliding block (4) is consistent with the length direction of the upright post (31), the elastic component (5) is arranged at the bottom of the upright post (31), the elastic component (5) drives the sliding block (4) to slide towards the direction in the installation gap, and a limiting structure for preventing the upright post (31) from rotating is arranged between the sliding block (4) and the side plate (21);
the unlocking assembly (6) is arranged on the mounting seat (2), and the unlocking assembly (6) is used for driving the sliding block (4) to slide towards the direction outside the mounting gap so as to realize unlocking of the limiting structure.
2. The foldable flat cart of claim 1, wherein: the limiting structure comprises a limiting block (41) and a limiting groove (211) which are matched with each other, the limiting block (41) is arranged on the side face of the sliding block (4), the limiting groove (211) is arranged on the side plate (21), the limiting groove (211) is vertically arranged, and a notch of the limiting groove (211) is communicated to the upper surface of the side plate (21) to allow the limiting block (41) to slide in.
3. The foldable flat cart of claim 2, wherein: the two side plates (21) are respectively provided with one limiting groove (211), the two limiting blocks (41) are arranged on two opposite side surfaces of the sliding block (4) respectively, and the limiting blocks (41) are cuboid.
4. The foldable flat cart of claim 2, wherein: the bottom of the upright post (31) is provided with a rotating shaft (311) which is horizontally arranged, the rotating shaft (311) is rotatably assembled with the side plate (21), the unlocking component (6) comprises a seesaw (61) and a force application rod (62), the rotating shaft (311) penetrates through the seesaw (61) and the seesaw and the force application rod (62) are rotatably assembled, the force application rod (62) is arranged at one end of the seesaw (61) extending out of the installation gap,
when the force application rod (62) is pressed downwards, one end, far away from the force application rod (62), of the seesaw (61) tilts upwards and pushes the limiting block (41) out of the limiting groove (211); when the limiting block (41) is located in the limiting groove (211), the sliding block (4) presses down one end, far away from the force application rod (62), of the seesaw (61) and enables the force application rod (62) to tilt upwards.
5. The foldable flat cart of claim 4, wherein: the seesaws (61) are arranged at two sides of the upright post (31) respectively, and the two seesaws (61) are connected with the same force application rod (62).
6. The foldable flat cart of claim 5, wherein: a connecting plate (63) is fixedly arranged between the two seesaws (61), the connecting plate (63) is located between the rotating shaft (311) and the force application rod (62), a separation baffle (22) is further fixed between the two side plates (21), and when the force application rod (62) is located at the top, the separation baffle (22) is used for separating and blocking the connecting plate (63).
7. The foldable flat cart of claim 5, wherein: the mounting seat (2) is provided with two and is respectively located the rear end both sides of load-bearing platform (1) are arranged, and the unblock subassembly (6) that corresponds is provided with two sets ofly, two sets ofly unblock subassembly (6) force application pole (62) are same root.
8. The foldable flat cart of claim 5, wherein: elastic component (5) are including solid fixed ring (51) and spring (52), the bottom of stand (31) is run through gu fixed ring (51) with spring (52), gu fixed ring (51) with stand (31) fixed connection, spring (52) both ends respectively the butt in gu fixed ring (51) with slider (4).
9. The foldable flat cart of claim 2, wherein: two top corners of curb plate (21) are provided with first fillet (212) and second fillet (213) respectively, first fillet (212) with second fillet (213) are located respectively the both sides of spacing groove (211), the position that second fillet (213) were located is higher than the position that first fillet (212) were located, limit structure unblock back slider (4) are followed first fillet (212) are rotated.
10. The foldable flat cart of claim 1, wherein: the bottom of stand (31) sets up to square bar shape, the middle part of slider (4) is provided with square through hole, the bottom of stand (31) is provided with the arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821473.3A CN111845886B (en) | 2020-08-15 | 2020-08-15 | Foldable flat handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821473.3A CN111845886B (en) | 2020-08-15 | 2020-08-15 | Foldable flat handcart |
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| CN111845886A true CN111845886A (en) | 2020-10-30 |
| CN111845886B CN111845886B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010821473.3A Active CN111845886B (en) | 2020-08-15 | 2020-08-15 | Foldable flat handcart |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115083257A (en) * | 2022-06-09 | 2022-09-20 | 贵州电网有限责任公司 | Modularization concatenation signboard |
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| CN209208797U (en) * | 2018-12-07 | 2019-08-06 | 长安大学 | A kind of dual-purpose transport vehicle of novel foldable layering |
| CN210760871U (en) * | 2019-10-16 | 2020-06-16 | 广宁县木格农业机械有限公司 | Novel transport vehicle |
| CN212289951U (en) * | 2020-08-15 | 2021-01-05 | 武汉创元铝制休闲用品有限责任公司 | Foldable flat trolley |
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| CN115083257A (en) * | 2022-06-09 | 2022-09-20 | 贵州电网有限责任公司 | Modularization concatenation signboard |
| CN115083257B (en) * | 2022-06-09 | 2023-10-24 | 贵州电网有限责任公司 | Modular spliced signboard |
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