CN111845886B - Foldable flat handcart - Google Patents
Foldable flat handcart Download PDFInfo
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- CN111845886B CN111845886B CN202010821473.3A CN202010821473A CN111845886B CN 111845886 B CN111845886 B CN 111845886B CN 202010821473 A CN202010821473 A CN 202010821473A CN 111845886 B CN111845886 B CN 111845886B
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- force application
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The application relates to a foldable flat handcart, which comprises a bearing platform, a mounting seat, a handle, a sliding block, an elastic component and an unlocking component, wherein the mounting seat is at least provided with one group and is fixedly assembled on the bearing platform, two side plates are arranged on the mounting seat at intervals to form a mounting gap, at least one upright post is arranged on the handle, 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 post in a sliding way, the sliding direction of the sliding block is consistent with the length direction of the upright post, the elastic component is arranged at the bottom of the upright post and drives the sliding block to slide towards the direction in the installation gap, and a limiting structure for preventing the upright post from rotating is arranged between the sliding block and the side plate; the unlocking component 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 the unlocking limiting structure. The application has the advantages of firm structure and more convenient use.
Description
Technical Field
The application relates to the technical field of trolleys, in particular to a foldable flat trolley.
Background
The flat handcart is mainly used for transporting goods and generally comprises a bearing platform, handles (or handrails, handles and the like), casters and the like, wherein the number of the casters is generally three to four, and when the flat handcart is not used, the handles of most of the trolleys can be folded and rotated on the bearing platform for saving space and facilitating storage.
The foldable handle generally has two use 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 states.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the two states are switched, a user needs to bend down to unscrew the bolt, then rotates the handle and screws the bolt, and the operation mode is inconvenient and has poor use experience, so the improvement is needed.
Disclosure of Invention
In order to facilitate the use of the flat handcart, the application provides a foldable flat handcart.
The application provides a foldable flat handcart, which adopts the following technical scheme:
A foldable flat handcart, which comprises a bearing platform, a mounting seat, a handle, a sliding block, an elastic component and an unlocking component,
The mounting seat is at least provided with a group and is fixedly assembled on the bearing platform, two side plates are arranged on the mounting seat, the two side plates are arranged at intervals and form a mounting gap, at least one upright post is arranged on the handle, the bottom ends of the upright posts extend into the mounting gap between the two side plates, the bottom ends of the upright posts are rotatably assembled on the side plates, and the rotating directions of the upright posts are horizontally arranged;
The sliding block is assembled at the bottom of the upright post in a sliding way, the sliding direction of the sliding block is consistent with the length direction of the upright post, the elastic component is arranged at the bottom of the upright post and drives the sliding block to slide towards the direction in the installation gap, and a limiting structure for preventing the upright post from rotating is arranged between the sliding block and the side plate;
the unlocking component 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 unlock the limiting structure.
By adopting the technical scheme, when the sliding block is separated from the installation gap, the upright post can rotate freely relative to the installation seat, so that a user drives the handle to be attached to the upper surface of the bearing platform, and the purpose of accommodating the handle is realized; when the stand column rotates to a vertical state, under the action of elastic pressure of the elastic component, the sliding block can slide into the installation gap, and the locking purpose is realized by matching with the limiting structure. Compared with the common flat handcart, the upright post of the handle can also rotate freely, but when the upright post needs to be kept in a vertical state, the upright post is realized by limiting the sliding block to rotate forwards and backwards and a limiting structure through two side plates, and the upright post does not need to be locked by bolts, namely does not need to bend down to unscrew the bolts; the unlocking component is further added, the unlocking component can drive the sliding block to move upwards and compress the elastic component, the limiting structure is unlocked, the sliding block is ensured to be separated from the installation gap of the installation seat, and the operation of a user is facilitated.
Preferably, the limit structure comprises a limit block and a limit groove which are mutually matched, the limit block is arranged on the side face of the sliding block, the limit groove is formed in the side plate, the limit groove is vertically arranged, and the notch of the limit groove is communicated to the upper surface of the side plate so as to enable the limit block to slide in.
Through adopting above-mentioned technical scheme, on two curb plate restriction sliders can only be in the mount pad gliding foundation from top to bottom, still increased spacing groove and stopper mutually supporting, further be favorable to the slider stable upper and lower slip in the mount pad to the slider is difficult for drunkenness and fore-and-aft rotation 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, two limiting grooves are respectively formed in the two side plates, two limiting blocks are respectively arranged on two opposite side surfaces of the sliding block, and the limiting blocks are cuboid.
By adopting the technical scheme, the limit blocks and the limit grooves are arranged in two, and the positions are symmetrically designed, so that the slide block can slide up and down in the mounting seat, and the upright post can not rotate; and the cuboid-shaped limiting block is convenient to manufacture, and meanwhile, the contact area with the limiting groove is larger, and the stress state of the working process is better.
Preferably, a rotating shaft which is horizontally arranged is arranged at the bottom of the upright post, the rotating shaft is rotationally assembled with the side plate, the unlocking component comprises a seesaw and a force application rod, the rotating shaft penetrates through the seesaw and is rotationally 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 lifted upwards and the limiting block is ejected 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 pressing down the application of force pole when the unblock operation has two kinds: the first step is to step down the force application rod by foot, the second step is to press down the force application rod by the user bending down by hand, and the two operation modes are mechanical unlocking modes, so that the operation is simple and the manufacture is convenient; above-mentioned structural design's unblock subassembly, the structure is more stable, can cooperate with the slider in the narrow and small space of mount pad just.
Preferably, the teeterboard is provided with two teeterboards and is respectively positioned at two sides of the upright post, and the two teeterboards are connected with the same force application rod.
By adopting the technical scheme, two teeterboards are adopted to jack up the same sliding block, and 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 teeterboards or being pressed down by the elastic component; and the force application rod is used for driving the two seesaws, so that the unlocking operation is more convenient.
Preferably, a connecting plate is further fixedly arranged between the two seesaw plates, the connecting plate is located between the rotating shaft and the force application rod, a baffle plate is further fixed between the two side plates, and the baffle plate is used for blocking the connecting plate when the force application rod is located at the top.
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, and the baffle plate and the connecting plate are mutually matched to form a baffle, so that one end of the seesaw, which is close to the force application rod, is prevented from being excessively tilted, and the unlocking operation is more convenient; and separate the baffle and support between two curb plates, still promoted the structural rigidity of whole mount pad.
Preferably, the mounting seats are provided with two groups and are respectively positioned at two sides of the rear end of the bearing platform, the unlocking assemblies corresponding to the mounting seats are provided with two groups, and the force application rods of the two groups of unlocking assemblies are identical.
Through adopting above-mentioned technical scheme, through setting up two sets of mount pads, the stand of corresponding handle also is provided with two, is favorable to promoting the installation stability of handle, and just can unlock two sets of unblock subassemblies through a application of force pole moreover, structural design is more reasonable, and the operation is more convenient, uses and experiences and obtains obvious promotion, and the cost of manufacture is also lower.
Preferably, the elastic component comprises a fixed ring and a spring, the bottom of the upright penetrates through the fixed ring and the spring, the fixed ring is fixedly connected with the upright, and two ends of the spring are respectively abutted to the fixed ring and the sliding block.
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, a first round corner and a second round corner are respectively arranged at two corners of the top of the side plate, the first round corner and the second round corner are respectively located at two sides of the limiting groove, the position of the second round corner is higher than that of the first round corner, and the sliding block rotates along the first round corner after the limiting structure is unlocked.
By adopting the technical scheme, the first round corners and the second round corners can avoid the situation that the two corners of the top of the side plate are too sharp, so that people are not easy to hurt, and the safety coefficient is higher; when the sliding block rotates after the limiting structure is unlocked, the first round corner has a guiding effect on the sliding block, the sliding block is convenient to rotate, and when the sliding block resets, the sliding block is well blocked due to the fact that the position of the second round corner is higher, so that the sliding block is prevented from continuing to rotate backwards.
Preferably, the bottom of stand sets up to square pole shape, the middle part of slider is provided with square through-hole, the bottom of stand is provided with the arc surface.
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 rotation process of the upright post; after the slider slides out from the installation clearance, the slider has not kept off the separation of two blocks of curb plates, 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 loading platform's upper surface steadily when the handle is in storage state.
In summary, the present application includes at least one of the following beneficial technical effects:
1. When the upright post needs to be kept in a vertical state, the upright post is realized by limiting the sliding block to rotate forwards and backwards through the two side plates and a limiting structure, and the upright post does not need to be locked by bolts, namely does not need to be bent to unscrew the bolts; the unlocking component is further added, and can drive the sliding block to move upwards and compress the elastic component to unlock the limiting structure, so that 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, and 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 seesaw or being pressed down by the elastic component; and a force application rod is used for driving the two seesaws, so that the unlocking operation is more convenient;
3. The two seesaws are connected into a whole by the connecting plate, so that the two seesaws can synchronously act, the baffle plate and the connecting plate are mutually matched to form a baffle, one end of the seesaw, which is close to the force application rod, is prevented from being excessively tilted, and the unlocking operation is more convenient; and separate the baffle and support between two curb plates, still promoted the structural rigidity of whole mount pad.
Drawings
Fig. 1 is a schematic structural view of a foldable pallet truck according to an embodiment of the present application, in which a column is maintained in an upright state.
Fig. 2 is a schematic diagram showing an assembly relationship between a column and a mounting base in an embodiment of the present application, wherein one side plate is removed and a limiting structure is in a locked state.
Fig. 3 is a schematic diagram illustrating an assembly relationship between a column and a mounting base according to an embodiment of the present application, wherein one side plate is removed and the limiting structure is in an unlocked state.
Fig. 4 is a schematic structural view of a mounting base according to an embodiment of the present application.
Reference numerals illustrate: 1. a load-bearing platform; 11. an anti-skid bar; 2. a mounting base; 21. a side plate; 211. a limit 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 slide block; 41. a limiting block; 5. an elastic component; 51. a fixing ring; 52. a spring; 6. unlocking the assembly; 61. a seesaw; 62. a force application rod; 63. and (5) connecting a plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The flat handcart is mainly used for transporting goods and generally comprises a bearing platform, handles (or handrails, handles and the like), casters and the like, wherein the number of the casters is generally three to four, and when the flat handcart is not used, the handles of most of the trolleys can be folded and rotated on the bearing platform for saving space and facilitating storage. The foldable handle generally has two use 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 states. When the two states are switched, a user needs to bend down to unscrew the bolt, then rotates the handle and screws the bolt, and the operation mode is inconvenient and has poor use experience, so the improvement is needed.
The embodiment of the application discloses a foldable flat handcart.
Referring to fig. 1 and 2, the collapsible flat cart comprises a carrying platform 1, a mounting base 2, a handle 3, a slider 4, an elastic assembly 5 and an unlocking assembly 6.
Referring to fig. 1 and 2, the mounting bases 2 are provided with two and are respectively located at two sides of the rear end of the bearing platform 1 (in other embodiments, the mounting bases 2 may be one or three or more), the corresponding unlocking assemblies 6 are provided with two groups, the mounting bases 2 are detachably fixed on the bearing platform 1 through multiple groups of bolts, wheels are respectively installed at four corners of the bottom of the bearing platform 1, anti-slip rods 11 are welded at the front end and two sides of the upper surface of the bearing platform 1, and the anti-slip rods 11 are specifically stainless steel round rods. The mounting seat 2 is provided with two side plates 21, the two side plates 21 are arranged at intervals and form a mounting gap, the handle 3 is provided with two upright posts 31 (the number of the upright posts 31 is consistent with that of the mounting seat 2), the bottom ends of the upright posts 31 extend into the mounting gap between the two side plates 21, the bottom ends of the upright posts 31 are rotationally assembled on the side plates 21, and the rotation directions of the upright posts 31 are horizontally arranged.
Referring to fig. 2 and 3, the slider 4 is specifically made of stainless steel, the bottom of the upright post 31 is shaped as a square rod, 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 post 31, the sliding direction of the slider 4 is consistent with the length direction of the upright post 31, and an arc surface is formed at the bottom end 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 component 6 is arranged on the mounting seat 2, and the unlocking component 6 is used for driving the sliding block 4 to slide towards the direction outside the mounting gap so as to realize an unlocking limiting structure.
The elastic component 5 comprises a fixed ring 51 and a spring 52, the bottom of the upright post 31 penetrates through the fixed ring 51 and the spring 52, the spring 52 is specifically a stainless steel powerful spring 52, the fixed ring 51 is welded and fixed with the upright post 31, and two ends of the spring 52 are respectively abutted to the fixed ring 51 and the sliding block 4.
The limit structure comprises a limit block 41 and a limit groove 211 which are mutually matched, the limit block 41 is integrally formed on the side face of the sliding block 4, the limit groove 211 is formed in the side plate 21, the limit groove 211 is vertically arranged, and the notch of the limit groove 211 is communicated to the upper surface of the side plate 21 so as to enable the limit block 41 to slide in. The two side plates 21 are respectively provided with a limiting groove 211, the limiting block 41 is provided with two limiting blocks and is respectively arranged on two opposite side surfaces of the sliding block 4, and the limiting block 41 is in a cuboid shape.
The bottom of the upright post 31 is provided with a rotating shaft 311 which is horizontally arranged, the rotating shaft 311 is rotationally 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 is rotationally assembled with the seesaw 61, the force application rod 62 is arranged at one end of the seesaw 61 extending out of the installation gap, and when the force application rod 62 is pressed downwards, one end of the seesaw 61 away from the force application rod 62 is lifted upwards and the limiting block 41 is ejected out of the limiting groove 211; when the stopper 41 is positioned in the stopper groove 211, the slider 4 presses down one end of the seesaw 61 away from the urging lever 62 and lifts the urging lever 62 upward.
The two seesaws 61 are provided on both sides of the column 31, and the two seesaws 61 are connected to the same biasing lever 62, and the biasing levers 62 of the two sets of unlocking members 6 are identical (see fig. 1). The connecting plate 63 is also clamped and fixed between the two seesaw plates 61, the connecting plate 63 is positioned between the rotating shaft 311 and the force application rod 62, the baffle plate 22 is also clamped and fixed between the two side plates 21, and the baffle plate 22 is used for blocking the connecting plate 63 when the force application rod 62 is positioned at the topmost part.
Referring to fig. 2 and 4, the top two corners of the side plate 21 are respectively provided with a first fillet 212 and a second fillet 213, the first fillet 212 and the second fillet 213 are respectively located at two sides of the limit groove 211, the second fillet 213 is located at a position higher than the first fillet 212, and the slide block 4 rotates along the first fillet 212 after the limit structure is unlocked.
The U-shaped supporting plate 23 is also installed in a clamping manner between the two side plates 21, when the upright posts 31 rotate to be attached to the upper surface of the bearing platform 1 (refer to fig. 1), the U-shaped supporting plate 23 just can support the upright posts 31, so that the stability is improved, and the structural firmness of the mounting seat 2 can be further improved by the U-shaped supporting plate 23.
The implementation principle of the foldable flat handcart provided by the embodiment of the application is as follows: when the sliding block 4 is separated from the installation gap, the upright post 31 can rotate freely relative to the installation seat 2, so that a user drives 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 31 rotates to a vertical state, under the action of the elastic pressure of the elastic component 5, the sliding block 4 can slide into the installation gap, and the locking purpose is realized by matching with the limiting structure. Compared with the common flat cart, although the upright posts 31 of the handle 3 can also rotate freely, when the upright posts 31 need to be kept in a vertical state, the upright posts are realized by limiting the sliding blocks 4 to rotate forwards and backwards and limiting structures through the two side plates 21, and the upright posts are not required to be locked by bolts, namely, the upright posts do not need to be bent to unscrew the bolts; the unlocking component 6 is further added, the unlocking component 6 can drive the sliding block 4 to move upwards and compress the elastic component 5, the limiting structure is unlocked, the sliding block 4 can be ensured to be separated from the installation gap of the installation seat 2, and the operation of a user is facilitated.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A foldable flat-panel cart, characterized by: comprises a bearing platform (1), a mounting seat (2), a handle (3), a sliding block (4), an elastic component (5) and an unlocking component (6),
The mounting seat (2) is at least provided with a group and is fixedly assembled on the bearing platform (1), two side plates (21) are arranged on the mounting seat (2), the two side plates (21) are arranged at intervals and form a mounting gap, at least one upright post (31) is arranged on the handle (3), the bottom ends of the upright posts (31) extend into the mounting gap between the two side plates (21), the bottom ends of the upright posts (31) are rotatably assembled on the side plates (21), and the rotation direction of the upright posts (31) is horizontally arranged;
The sliding block (4) is slidably assembled at the bottom of the upright post (31), 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 component (6) is arranged on the mounting seat (2), and the unlocking component (6) is used for driving the sliding block (4) to slide towards the direction outside the mounting gap so as to unlock the limiting structure;
The limiting structure comprises limiting blocks (41) and limiting grooves (211) which are mutually matched, the limiting blocks (41) are arranged on the side faces of the sliding blocks (4), the limiting grooves (211) are formed in the side plates (21), the limiting grooves (211) are vertically arranged, and notch openings of the limiting grooves (211) are communicated to the upper surfaces of the side plates (21) so that the limiting blocks (41) can slide in;
The two side plates (21) are respectively provided with a limiting groove (211), the limiting blocks (41) are respectively provided with two limiting grooves and are respectively arranged on two opposite side surfaces of the sliding block (4), and the limiting blocks (41) are in a cuboid shape;
The bottom of the upright post (31) is provided with a rotating shaft (311) which is horizontally arranged, the rotating shaft (311) is rotationally 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 is rotationally assembled with the seesaw (61), the force application rod (62) is arranged at one end of the seesaw (61) extending out of the installation gap, and when the force application rod (62) is pressed downwards, one end of the seesaw (61) far away from the force application rod (62) is lifted upwards and the limiting block (41) is pushed 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, away from the force application rod (62), of the seesaw (61) and enables the force application rod (62) to tilt upwards.
2. The collapsible flat cart of claim 1, wherein: the teeterboard (61) is provided with two teeterboards which are respectively positioned at two sides of the upright post (31), and the two teeterboards (61) are connected with the same force application rod (62).
3. The collapsible flat cart of claim 2, wherein: a connecting plate (63) is further fixedly arranged between the two seesaw plates (61), the connecting plate (63) is located between the rotating shaft (311) and the force application rod (62), a baffle plate (22) is further fixedly arranged between the two side plates (21), and the baffle plate (22) is used for blocking the connecting plate (63) when the force application rod (62) is located at the topmost part.
4. The collapsible flat cart of claim 2, wherein: the mounting seats (2) are arranged at two sides of the rear end of the bearing platform (1) respectively, the unlocking assemblies (6) corresponding to the two mounting seats are arranged at two groups, and the force application rods (62) of the two groups of unlocking assemblies (6) are identical.
5. The collapsible flat cart of claim 2, wherein: the elastic component (5) comprises a fixed ring (51) and a spring (52), the bottom of the upright post (31) penetrates through the fixed ring (51) and the spring (52), the fixed ring (51) is fixedly connected with the upright post (31), and two ends of the spring (52) are respectively abutted to the fixed ring (51) and the sliding block (4).
6. The collapsible flat cart of claim 1, wherein: the top both 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) is located is higher than the position that first fillet (212) is located, limit structure unblock back slider (4) are followed first fillet (212) are rotated.
7. The collapsible flat cart of claim 1, wherein: the bottom of stand (31) sets up to square pole 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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| Publication Number | Publication Date |
|---|---|
| CN111845886A CN111845886A (en) | 2020-10-30 |
| CN111845886B true CN111845886B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010821473.3A Active CN111845886B (en) | 2020-08-15 | 2020-08-15 | Foldable flat handcart |
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| CN (1) | CN111845886B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115083257B (en) * | 2022-06-09 | 2023-10-24 | 贵州电网有限责任公司 | Modular spliced signboard |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0317673A1 (en) * | 1987-10-20 | 1989-05-31 | Sun Son Aluminum Factory Co. Ltd. | Golf cart or trolley |
| JP2011000979A (en) * | 2009-06-19 | 2011-01-06 | Uchiyama Shokai:Kk | Carrying truck |
| CN206012648U (en) * | 2016-08-19 | 2017-03-15 | 四川南格尔生物科技有限公司 | A kind of foldable pushcart |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101899755B1 (en) * | 2018-03-21 | 2018-09-17 | 여신동 | Cart By Which Wheel Locking and Unlocking Is Facilitated |
-
2020
- 2020-08-15 CN CN202010821473.3A patent/CN111845886B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0317673A1 (en) * | 1987-10-20 | 1989-05-31 | Sun Son Aluminum Factory Co. Ltd. | Golf cart or trolley |
| JP2011000979A (en) * | 2009-06-19 | 2011-01-06 | Uchiyama Shokai:Kk | Carrying truck |
| CN206012648U (en) * | 2016-08-19 | 2017-03-15 | 四川南格尔生物科技有限公司 | A kind of foldable pushcart |
| 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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| CN111845886A (en) | 2020-10-30 |
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