CN112622992A - Folding cart - Google Patents
Folding cart Download PDFInfo
- Publication number
- CN112622992A CN112622992A CN202011620343.XA CN202011620343A CN112622992A CN 112622992 A CN112622992 A CN 112622992A CN 202011620343 A CN202011620343 A CN 202011620343A CN 112622992 A CN112622992 A CN 112622992A
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- limiting
- trailer frame
- rod
- rods
- trailer
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- 125000006850 spacer group Chemical group 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
- B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels 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 invention relates to a folding cart which comprises a goods shelf, a trailer frame and wheels, wherein the goods shelf comprises two goods shelf rods which are arranged in parallel, the trailer frame comprises two trailer frame rods which are arranged in parallel, the goods shelf rods are hinged on the inner sides of the trailer frame rods through hinged shafts, the lower ends of the goods shelf rods and the trailer frame rods both exceed the hinged shafts, wheel handles are arranged at the lower ends of the trailer frame rods and comprise rotating sleeves and supporting plates, the rotating sleeves are rotatably assembled at the lower ends of the trailer frame rods, the wheels are arranged on the supporting plates, limiting parts for limiting the wheel handles when the wheels are in an open state are arranged at the lower ends of the trailer frame rods, and the trailer frame or the wheel handles are provided with limiting parts for limiting. The folding trolley has the advantages of simple structure and convenient carrying after being folded.
Description
Technical Field
The invention relates to the technical field of carts, in particular to a folding cart.
Background
Folding shallow is the instrument commonly used in daily life, folding shallow is used to commodity circulation transportation more, shopping, the place that needs transport goods such as food and beverage, current folding shallow, can't compromise the bearing and conveniently carry, the unable fully folding of shallow that bearing capacity is good, can the unable bearing of fully folding handcart, and even the size of many shallow after folding is still bigger, weight is heavier, very inconvenient carries, the space that occupies when depositing is also bigger, inconvenient accomodating, therefore, its structure is urgent to treat and improves. The folding hand trailer disclosed as the utility model patent of grant publication No. CN209159735U adopts folding design to the wheel also can be folded, conveniently carries, but the wheel changes original angle very easily under the bearing state, and is not stable enough, leads to the wheel to damage easily.
Disclosure of Invention
The invention aims to provide a folding cart to solve the problems that the folding cart cannot bear weight and is large in size after being folded and inconvenient to carry and store.
In order to achieve the purpose, the invention adopts the following technical scheme:
a folding cart comprises a goods shelf, a trailer frame and wheels, wherein the goods shelf comprises two goods shelf rods which are arranged in parallel, the trailer frame comprises two trailer frame rods which are arranged in parallel, the goods shelf rods are hinged to the inner sides of the trailer frame rods through hinge shafts, the lower ends of the goods shelf rods and the trailer frame rods both exceed the hinge shafts, wheel handles are arranged at the lower ends of the trailer frame rods, each wheel handle comprises a rotating sleeve and a supporting plate, the rotating sleeves are rotatably assembled at the lower ends of the trailer frame rods, the wheels are arranged on the supporting plates, and the lower ends of the trailer frame rods are provided with limiting parts which limit the wheel handles when the wheels are in an open state; the trailer frame or the wheel handle is provided with a limiting part for limiting the goods shelf in an open state.
Further preferably, the rack rod is provided with the limiting part, the limiting part adopts a limiting pin or a limiting screw, and the inner side plate of the wheel handle is provided with an arc-shaped limiting groove.
Preferably, a telescopic pull rod is arranged at the upper end of the trailer frame rod and sleeved in the trailer frame rod, and the telescopic pull rod can slide in the trailer frame rod in a telescopic manner.
Preferably, the trailer frame rod is provided with a limiting device for limiting the telescopic pull rod.
Further preferably, the mortise lock device further comprises a limiting release button, and the release button is pressed downwards to drive the limiting rod to slide out of the limiting hole.
Further preferably, the upper end of the trailer frame rod is provided with a cross rod, the cross rod is connected between the two parallel trailer frame rods, the cross rod is internally provided with a mortise lock device, the mortise lock device comprises two limiting rods arranged along the length direction of the cross rod, one limiting rod extends leftwards, the other limiting rod extends rightwards, a limiting hole is formed in the telescopic pull rod, and the limiting rod is inserted into the limiting hole to limit the telescopic pull rod and limit the telescopic movement of the telescopic pull rod.
Further preferably, the mortise lock device further comprises a limiting release button, and the release button is pressed downwards to drive the limiting rod to slide out of the limiting hole.
Preferably, the shelf is provided with a support part, and the support part supports the shelf after the shelf is unfolded.
Further preferably, a cushion block is arranged in a lower port of the trailer frame rod, a screw hole is formed in the cushion block, a limiting screw is assembled in the screw hole and is perpendicular to the trailer frame rod, and the limiting screw forms the limiting part.
The invention has the beneficial effects that:
the folding cart comprises a goods shelf, a trailer frame and wheels, wherein the goods shelf comprises two goods shelf rods which are arranged in parallel, the trailer frame comprises two trailer frame rods which are arranged in parallel, the goods shelf rods are hinged to the inner sides of the trailer frame rods through hinge shafts, the lower ends of the goods shelf rods and the trailer frame rods both exceed the hinge shafts, wheel handles are arranged at the lower ends of the trailer frame rods and comprise rotating sleeves and supporting plates, the rotating sleeves are rotatably assembled at the lower ends of the trailer frame rods, the wheels are mounted on the supporting plates, limiting parts for limiting the wheel handles when the wheels are in an open state are arranged at the lower ends of the trailer frame rods, and the trailer frame or the wheel handles are provided with limiting parts for limiting. The folding trolley has the advantages of simple structure and convenient carrying after being folded.
Drawings
FIG. 1 is a schematic view of the folding cart of the present invention in a folded state;
FIG. 2 is a schematic illustration of the folding cart of the present invention in an unfolded state;
FIG. 3 is a schematic view of the latch mechanism of the folding cart of the present invention;
FIG. 4 is a schematic view of another perspective of the latch mechanism of the folding cart of the present invention;
figure 5 is a partial schematic view of the wheels of the folding cart of the present invention;
figure 6 is a partial schematic view of the wheels of the folding cart of the present invention after deployment.
Names corresponding to the marks in the figure: 10. first trailer hack lever, 11, second trailer hack lever, 12, the violently pipe, 13, the button, 14, first gag lever post, 15, the second gag lever post, 16, the spacing seat, 17, the gag lever post fixing base, 18, first spacing groove, 19, the second gag lever post, 20, first goods hack lever, 21, the second goods hack lever, 22, the articulated shaft, 23 support, 24, the support pull rod, 25, first spacing screw, 26, the second spacing screw, 30, first wheel handle, 31, the second wheel handle, 32, first wheel, 33, the second wheel, 34, first goods shelves dead lever connecting plate, 35, second goods shelves dead lever connecting plate, 36, first arc spacing groove, 37, the second arc spacing groove, 38, the cushion, 4, flexible pull rod, 5, the spacer pin.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1 of the invention:
fig. 1 shows a folding cart comprising: the device comprises a trailer frame, a goods shelf and a wheel unit.
Two trailer hack levers that the trailer frame set up about including, write into first trailer frame pole 10 and second trailer hack lever 11, be provided with between first trailer frame pole 10 and the second trailer hack lever 11 and violently manage 12, violently manage 12 one ends and connect the upper end of first trailer frame pole 10, the upper end of second trailer hack lever 11 is connected to the other end, violently manage 12 square tubes, violently manage 12 both ends respectively with the upper end fixed connection of first trailer frame pole 10 and second trailer hack lever 11, be provided with the square hole on the pipe wall of first trailer hack lever 10 upper end, also be provided with the square hole on the pipe wall of second trailer hack lever 11 upper end, the square hole sets up violently manages 12 left ends and right-hand member mouth of pipe and the position that the trailer hack lever. The side is provided with the keyway on violently managing 12, and the keyway setting is provided with the round hole at the center of violently managing 12 length direction on violently managing 12 downside, and keyway and round hole link up.
The pipe of the transverse pipe 12 is internally provided with a mortise lock device which comprises a limiting seat 16, a first limiting rod 14, a second limiting rod 15 and a limiting rod fixing seat 17.
The limiting seat 16 shown in fig. 3 is in an inverted U shape, and comprises an upper side surface and two front and rear side surfaces, wherein the upper side surface is provided with a key 13, the two ends of the front and rear side surfaces are respectively provided with a limiting clamping groove, the limiting clamping grooves arranged at the left and right ends of the limiting seat are marked as a first limiting clamping groove and a second limiting clamping groove, as shown in fig. 4, the first limiting groove comprises a limiting groove arranged in the up-down direction and a limiting groove arranged in the oblique direction, the second limiting groove also comprises a limiting groove arranged in the up-down direction and a limiting groove arranged in the oblique direction, and the key 13 is arranged on the upper side surface of.
The width of first gag lever post 14 and second gag lever post 15 is less than the width of spacing seat 16, the curb plate of spacing seat 16 forms spacing portion to first gag lever post 14 and second gag lever post 15, be provided with the spacer pin on the right-hand member of first gag lever post 14 salient first gag lever post 14 width direction, the both ends of spacer pin pass the spacing draw-in groove that spacing seat 16 left side set up, be provided with the spacer pin on the left side protrusion second of second gag lever post 15 manages the pole width direction, the both ends of spacer pin pass the spacing draw-in groove that spacing seat 16 right side set up.
The limiting rod fixing seat 17 is arranged on the rear side of the limiting seat 16 and attached to the limiting seat 16, openings are formed in the left side plate and the right side plate of the limiting rod, the first limiting rod 14 is in clearance fit with the opening on the left side, and the second limiting rod 15 is in clearance fit with the opening on the right side.
The left end of the first limiting rod 14 is provided with a circular boss, the bottom area of the boss is smaller than the area of the left end face of the first limiting rod 14, the right end of the second fixing rod is provided with a boss, and the bottom area of the boss is smaller than the area of the right end face of the second limiting rod 15.
The bottom surface of the limiting seat 16 is provided with a groove for mounting a spring.
The mortise lock device is inserted from the pipeline end of the transverse pipe 12, the limiting seat 16 is just arranged below the key groove arranged on the upper side surface of the transverse pipe 12, the spring is placed from the round hole position on the lower side surface of the transverse pipe 12, after the screw is screwed, the upper end of the spring pushes the limiting seat 16 upwards, and the key 13 protrudes out of the key groove.
Be provided with telescopic pull rod 4 in first trailer frame pole 10 and the second trailer frame pole 11, telescopic pull rod 4 cover is established in first trailer frame pole 10 and the second trailer frame pole 11, is provided with a plurality of groups's round hole on the telescopic pull rod 4 outer wall, and every group's round hole is including setting up two round holes of the same height on two telescopic pull rod 4.
The round hole that sets up on the telescopic pull rod 4 link up with the square hole that first trailer frame pole 10 and second trailer frame pole 11 upper end set up, and the left boss of first gag lever post 14 just in time blocks into the square hole that first trailer frame pole 10 set up to spacing is carried out to the left side pull rod, and the boss on second gag lever post 15 right side just in time blocks into the square hole that second trailer frame pole 11 set up, thereby spacing is carried out to the right side pull rod. The bottom area of the boss is smaller than the area of the end face of the limiting rod, so that the telescopic pull rod 4 can be stably clamped.
When the telescopic pull rod 4 needs to be pulled out, the key 13 is pressed, the key 13 drives the first limiting rod 14 to pop out of the lower end of the first limiting groove 18 and slide rightwards in the first limiting groove 18, the boss arranged at the left end of the first limiting rod seat 14 slides out of the square hole formed in the first trailer frame rod 10, and the limit of the telescopic rod on the left side is removed. The second limiting rod 15 is popped out of the lower end of the second limiting groove 19 and slides leftwards in the second limiting groove 19, and a boss arranged at the right end of the second limiting rod 15 slides out of a square hole formed in the second trailer frame rod 11, so that the limiting of the right telescopic rod is relieved.
In order to make the telescopic pull rod slide in the first trailer frame rod and the second trailer frame rod all the time without sliding out of the pipe orifice, the upper end of the first trailer frame rod and the upper end of the second trailer frame rod are provided with limiting clamps, the lower end of the telescopic pull rod is provided with limiting clamping grooves, the telescopic pull rod is pulled out to a certain length, the limiting clamps can be clamped into the limiting clamping grooves to limit the telescopic pull rod, and the telescopic pull rod is ensured not to be pulled out of the first trailer frame rod and the second trailer frame rod.
As shown in fig. 1-2, the shelf includes a shelf bar, a hinge shaft 22, a bracket 23, and a bracket pull rod 24.
The goods shelves are marked as first goods shelves pole 20 and second goods shelves pole 21 including controlling two goods shelves poles that set up, are provided with the stull between first goods shelves pole 20 and the second goods shelves pole 21, and the upper end of first goods shelves pole 20 is connected to stull one end, and the upper end of second goods shelves pole 21 is connected to the other end.
Articulated shaft 22 left end is fixed in the lower part of first trailer frame pole 10, the lower part at second trailer frame pole 11 is fixed to the right-hand member, the through-hole that runs through the pipe wall is all opened to the lower part of first goods frame pole 20 and second goods frame pole 21, articulated shaft 22 passes first goods frame pole 20 and second goods frame pole 21 in proper order, make first goods frame pole 20 and second goods frame pole 21 be connected to on first trailer frame pole 10 and the second trailer frame pole 11 through articulated shaft 22, first goods frame pole 20 and second goods frame pole 21 and articulated shaft 22 clearance fit, the goods shelves can use articulated shaft 22 as the axle luffing motion.
The upper part of the goods shelf is provided with a bracket 23, one end of the bracket 23 is hinged to the first goods shelf rod 20, the other end of the bracket 23 is hinged to the second goods shelf rod 21, the bracket 23 can rotate, a left bracket pull rod and a right bracket pull rod 24 are arranged below the bracket, one end of the left bracket pull rod 24 is hinged to the left side of the bracket 23, the other end of the left bracket pull rod 24 is hinged to a first limiting screw 25 arranged at the bottom of the first trailer frame rod 10, one end of the right bracket pull rod is hinged to the right side of the bracket 23, and the other end of the right bracket. As shown in fig. 3, the support rod 24 is provided with a space-avoiding portion, which can avoid the support rod 24 from abutting against the hinge shaft 22 to affect the folding degree after the cart is folded.
As shown in fig. 5-6, the wheel unit includes a first wheel handle 30 disposed at the lower end of the first trailer frame rod 10 and a second wheel handle 31 disposed at the lower end of the second trailer frame rod 11, and the first wheel handle 30 and the second wheel handle 31 include a rotating sleeve and a U-shaped support plate, as shown in fig. 5, the support plate has a double-layer structure, which can make the wheel stressed uniformly and can bear more weight.
The first wheel handle 30 is sleeved on the outer wall of the lower end of the first trailer frame rod 10, a limiting groove is formed in the position, attached to the first trailer frame rod 10, of the rotating sleeve of the first wheel handle 30, a first limiting screw 25 is arranged at the lower end of the first trailer frame rod 10, the first limiting screw 25 and the limiting groove are matched to form a limiting portion limiting the first wheel handle 30, the first wheel handle 30 can rotate for a certain angle by taking the first trailer frame rod 10 as a shaft in a set rotating range, and the first wheel 32 is installed in a supporting plate of the first wheel handle 30.
The second wheel handle 31 is sleeved on the outer wall of the lower end of the second trailer frame rod 11, a limiting groove is formed in the position, attached to the second trailer frame rod 11, of the lower end of the second wheel handle 31, a second limiting screw 26 is arranged at the lower end of the second trailer frame rod 11, the second limiting screw 26 and the limiting groove are matched to form a limiting portion limiting the second wheel handle 31, the second wheel handle 31 can rotate for a certain angle by taking the second trailer frame rod 11 as a shaft in a set rotating range, and the second wheel 33 is installed in a supporting plate of the second wheel handle 31.
A spring is provided in the lower end tube of the first trailer frame rod 10, and under the action of the spring, the first wheel handle 30 is folded, and as shown in fig. 1, the second wheel handle 31 is also folded.
The first goods shelf rod 20 is adjusted to enable the first goods shelf rod 20 to rotate by taking the hinge shaft 22 as a shaft, the lower end of the first goods shelf rod 20 abuts against the upper side face of the first wheel handle 30, the first wheel handle 30 rotates by a certain angle by taking the first trailer frame rod 10 as a shaft, similarly, the second goods shelf rod 21 rotates by taking the hinge shaft 22 as a shaft, the lower end of the second goods shelf abuts against the upper side face of the second wheel handle 31, the second wheel handle 31 rotates by a certain angle by taking the second trailer frame rod 11 as a shaft, and in a final unfolding state, the first wheel handle 30 and the second wheel handle 31 are in a parallel state and can be dragged and bear weight.
In order to ensure the stability of the goods shelf, the design is further made as follows, a first arc-shaped limiting groove 36 is arranged on the upper side surface of the first wheel handle 30, as shown in the figure, a first limiting pin is arranged at the lower end of the first goods shelf rod 20, the first limiting pin slides in the first arc-shaped limiting groove 36, similarly, a second arc-shaped limiting groove 37 is arranged on the upper side surface of the second wheel handle 31, a second limiting pin is also arranged at the lower end of the second goods shelf, the second limiting pin slides in the second arc-shaped limiting groove 37, under the folding state, the first limiting pin cannot be clamped in the first limiting groove, and the first limiting pin gradually slides into the first arc-shaped limiting groove in the process of opening the first wheel handle by the first goods shelf rod 20. When the first wheel handle 30 is unfolded, the limiting pin is clamped at the tail end of the arc-shaped limiting groove on the first wheel handle 30 to limit the first goods shelf rod 20, so that the stability of the first goods shelf rod 20 is ensured. Similarly, under fold condition, the second spacer pin can not block in the second spacing groove, and the second spacer pin slides into the second arc-shaped spacing groove gradually in the process that the second goods shelves pole 21 struts the second wheel handle, and when unfolding, the second spacer pin blocks at the end of the second arc-shaped spacing groove on the second wheel handle 31, so that the second goods shelves pole 21 is limited, and the stability of the second goods shelves pole 21 is ensured. After the wheel is unfolded, the goods shelf rod also forms a limit to the wheel handle, so that the wheel cannot turn inwards when walking. The limiting pin arranged on the goods shelf rod further limits the overturning of the wheel handle, and the limiting screw arranged at the lower end of the trailer shelf rod limits the overturning of the wheel handle to the outside. The limiting screw and the goods shelf rod are limited at the inner side and the outer side by the multiple wheel handles, so that the stable operation of the wheel handles is ensured, and the possibility of bearing more weight for the trailer is provided.
As shown in fig. 5, a cushion block 38 is disposed in a lower end pipe orifice of the first trailer frame rod 10, the pipe orifice is blocked by the cushion block 38, so as to ensure that the pipe orifice is not scratched in use, a groove is further disposed on the cushion block 38, the groove is used for placing a nut, the first limiting screw 25 disposed on the first trailer frame rod 10 is installed in cooperation with the nut, so that welding operation is avoided, the service life of the first limiting screw 25 can be prolonged, and the same second limiting screw 26 is also connected to the second trailer frame rod 11 through the nut.
In other embodiments, the number of the wheels in the wheel handle can be two, so that the bearing is further improved, and the wheels can also be universal wheels, so that the rotation is convenient.
In other embodiments, the limitation of the shelf open state may also be achieved by providing a matching hinge on the first shelf bar 20 and the first trailer frame bar 10 to limit the first shelf bar 20. The second cargo frame rod 21 and the second trailer frame rod 11 are provided with a matched hinge part to limit the second cargo frame rod 21.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a folding shallow which characterized in that: the goods shelf comprises two goods shelf rods which are arranged in parallel, the trailer frame comprises two trailer frame rods which are arranged in parallel, the goods shelf rods are hinged to the inner sides of the trailer frame rods through hinged shafts, the lower ends of the goods shelf rods and the trailer frame rods both exceed the hinged shafts, wheel handles are arranged at the lower ends of the trailer frame rods and comprise rotating sleeves and supporting plates, the rotating sleeves are rotatably assembled at the lower ends of the trailer frame rods, the wheels are mounted on the supporting plates, and limiting parts for limiting the wheel handles when the wheels are in an open state are arranged at the lower ends of the trailer frame rods; the trailer frame or the wheel handle is provided with a limiting part for limiting the goods shelf in an open state.
2. The folding cart of claim 1, wherein: the goods shelf is provided with the limiting part, the limiting part adopts a limiting pin or a limiting screw, and the inner side plate of the wheel handle is provided with an arc-shaped limiting groove.
3. The folding cart of claim 1, wherein: the trailer is characterized in that a telescopic pull rod is arranged at the upper end of the trailer frame rod and sleeved in the trailer frame rod, and the telescopic pull rod can slide in the trailer frame rod in a telescopic mode.
4. The folding cart of claim 3, wherein: and the trailer frame rod is provided with a limiting device for limiting the telescopic pull rod.
5. The folding cart of claim 1, wherein: the trailer is characterized in that a cross rod is arranged at the upper end of each trailer frame rod, the cross rod is connected between the two parallel trailer frame rods, a mortise lock device is arranged in the cross rod and comprises two limiting rods arranged along the length direction of the cross rod, one limiting rod extends leftwards, the other limiting rod extends rightwards, a limiting hole is formed in the telescopic pull rod, and the limiting rods are inserted into the limiting holes to limit the telescopic pull rod and limit the telescopic movement of the telescopic pull rod.
6. The folding cart of claim 5, wherein: the mortise lock device further comprises a limiting release button, and the release button is pressed downwards to drive the limiting rod to slide out of the limiting hole.
7. The folding cart of claim 1, wherein: the lower end of the trailer frame rod is provided with a limiting screw, a limiting clamping groove is formed in the part, attached to the lower end of the trailer rod, of the wheel handle, and the limiting screw is matched with the limiting clamping groove to limit the wheel handle.
8. The folding cart of claim 1, wherein: the shelf is provided with a supporting part, and the supporting part supports the shelf after the shelf is unfolded.
9. The folding cart of claim 1, wherein: be provided with the cushion in the lower port of trailer hack lever, be provided with the screw hole in the cushion, be equipped with spacing screw in the screw hole, spacing screw perpendicular trailer hack lever, spacing screw forms spacing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620343.XA CN112622992A (en) | 2020-12-31 | 2020-12-31 | Folding cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620343.XA CN112622992A (en) | 2020-12-31 | 2020-12-31 | Folding cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112622992A true CN112622992A (en) | 2021-04-09 |
Family
ID=75287302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011620343.XA Pending CN112622992A (en) | 2020-12-31 | 2020-12-31 | Folding cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112622992A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050258621A1 (en) * | 2004-05-18 | 2005-11-24 | Chris Johnson | Portable luggage carts/carriers |
| CN202987212U (en) * | 2013-01-06 | 2013-06-12 | 北京信息科技大学 | Portable type household shopping cart |
| CN209159735U (en) * | 2018-11-22 | 2019-07-26 | 吕天海 | A kind of folding Hand pulling vehicle |
| CN209667117U (en) * | 2019-02-01 | 2019-11-22 | 古正煇 | Glove vehicle carriage fast folding unlocking mechanism |
| CN209956004U (en) * | 2019-05-04 | 2020-01-17 | 吴屹峰 | Multifunctional luggage cart |
| CN214295975U (en) * | 2020-12-31 | 2021-09-28 | 吕天海 | Folding cart |
-
2020
- 2020-12-31 CN CN202011620343.XA patent/CN112622992A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050258621A1 (en) * | 2004-05-18 | 2005-11-24 | Chris Johnson | Portable luggage carts/carriers |
| CN202987212U (en) * | 2013-01-06 | 2013-06-12 | 北京信息科技大学 | Portable type household shopping cart |
| CN209159735U (en) * | 2018-11-22 | 2019-07-26 | 吕天海 | A kind of folding Hand pulling vehicle |
| CN209667117U (en) * | 2019-02-01 | 2019-11-22 | 古正煇 | Glove vehicle carriage fast folding unlocking mechanism |
| CN209956004U (en) * | 2019-05-04 | 2020-01-17 | 吴屹峰 | Multifunctional luggage cart |
| CN214295975U (en) * | 2020-12-31 | 2021-09-28 | 吕天海 | Folding cart |
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