CN115140138A - Portable folding push-and-pull car - Google Patents

Portable folding push-and-pull car Download PDF

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Publication number
CN115140138A
CN115140138A CN202210836402.XA CN202210836402A CN115140138A CN 115140138 A CN115140138 A CN 115140138A CN 202210836402 A CN202210836402 A CN 202210836402A CN 115140138 A CN115140138 A CN 115140138A
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CN
China
Prior art keywords
fork
connecting piece
shaped
frame
handle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210836402.XA
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Chinese (zh)
Inventor
杨贞华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Ruidaxiang Machinery Manufacturing Co ltd
Qingdao Hongrunfa Machinery Manufacturing Co ltd
Original Assignee
Qingdao Ruidaxiang Machinery Manufacturing Co ltd
Qingdao Hongrunfa Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Ruidaxiang Machinery Manufacturing Co ltd, Qingdao Hongrunfa Machinery Manufacturing Co ltd filed Critical Qingdao Ruidaxiang Machinery Manufacturing Co ltd
Priority to CN202210836402.XA priority Critical patent/CN115140138A/en
Publication of CN115140138A publication Critical patent/CN115140138A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0003—Adaptations for loading in or on a vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0006—Bumpers; Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/067—Stowable or retractable handle bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/02—Hand-propelled vehicles or sledges being foldable or dismountable when not in use foldable widthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/06—Foldable with a scissor-like mechanism

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

The embodiment of the invention discloses a portable folding push-pull vehicle, which comprises: the device comprises a walking wheel component, four shock absorption elements, a foldable bearing bottom frame, a foldable main frame, a telescopic handle component and a cloth bag; the traveling wheel assembly comprises two fixed wheels arranged at the rear) and two universal steering wheels arranged at the front; the foldable bearing bottom frame comprises two lower rear connecting pieces, a lower front connecting piece and an X-shaped foldable bearing fork frame; the fixed wheel is arranged below the lower rear connecting piece through the shock absorption element, and the universal steering wheel is arranged below the lower front connecting piece through the shock absorption element; the shock absorption element is one or a mixture of a shock absorption spring, a cylinder type shock absorber or a variable damping shock absorber. The portable folding push-pull vehicle provided by the invention has excellent damping performance, is very suitable for road conditions with rugged and rugged road and large vibration in field camping, has larger integral volume compared with the conventional one, and has smaller size after being folded.

Description

Portable folding push-and-pull car
Technical Field
The invention relates to the field of cart or trolley products, in particular to a portable folding trolley.
Background
The camppers walk on foot or drive the vehicle and arrive the camping place, usually in valley, lakeside, seaside, and the camppers can live the bonfire, can barbecue, cook a meal or sing a song, and this is the most common camping activity, often carries out the tourist that volume is littleer after doing so, and like other outdoor sport fans, is also called knapsack visitor, is called donkey friend again. In the process of camping, the vehicle often can not enter a camping site, so that a lot of objects, such as tents, foods and the like, need to be carried by manpower, but generally, the objects need to be carried are many, in this case, the vehicle can only be carried by selecting a plurality of times back and forth, but people feel tired and are very troublesome, and based on the problems, the push-pull vehicle capable of solving the problems needs to be provided.
Disclosure of Invention
In view of the above technical problems, an embodiment of the present invention provides a portable foldable push-pull cart to solve the problem of transporting or carrying articles during camping activities.
A first aspect of an embodiment of the present invention provides a portable folding push-pull cart, including:
the device comprises a walking wheel assembly, four damping elements, a foldable bearing bottom frame, a foldable main frame, a telescopic handle assembly and a cloth bag;
the walking wheel assembly comprises two fixed wheels 11 arranged at the rear and two universal steering wheels 12 arranged at the front;
the foldable bearing bottom frame comprises two lower rear connecting pieces 13, a lower front connecting piece 14 and an X-shaped foldable bearing fork frame 15;
the fixed wheel 11 is arranged below the lower rear connecting piece 13 through the shock absorption element, and the universal steering wheel 12 is arranged below the lower front connecting piece 14 through the shock absorption element;
the shock absorption element is one or a mixture of a shock absorption spring, a cylinder type shock absorber or a variable damping shock absorber;
the X-shaped folding bearing fork frame 15 comprises two metal supporting rods 151 and two auxiliary supporting rods 152 which play a main supporting role, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are combined into an X shape through a bottom connecting piece 153, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are folded by taking the bottom connecting piece 53 as a center, connecting pieces 154 are welded to one ends of the two metal supporting rods 151, the connecting pieces 154 of the two metal supporting rods 151 are connected through lower connecting plates 155, the lower connecting plates 155 are arranged on the bottom connecting piece 153, and the two metal supporting rods 151 are folded by taking the lower connecting plates 155 as centers.
Alternatively, the first and second liquid crystal display panels may be,
the foldable main frame comprises two upright-column-free side frame bodies and two X-shaped supporting fork bodies, and the side frame bodies and the X-shaped supporting fork bodies can be folded.
Alternatively, the first and second liquid crystal display panels may be,
the side frame body without the upright column comprises two X-shaped folding frames 21, the two X-shaped folding frames 21 are connected through a supporting node 22, each X-shaped folding frame 21 comprises a side straight rod 201 and a side bent rod 202, the middle of each side straight rod 201 is connected with the corresponding side bent rod 202 through a pin shaft, and the middle of each side straight rod 201 and the corresponding side bent rod 202 can be folded through rotation of the pin shaft.
Alternatively,
the X-shaped supporting fork body comprises a straight rod 31 and a bent rod 32 with a convex middle part, the straight rod 31 and the bent rod 32 are connected through a pin shaft in the middle, and the straight rod 31 and the bent rod 32 are folded in a rotating mode around the pin shaft.
Alternatively,
the foldable main frame comprises four upright posts, two inclined fork structure assemblies respectively arranged on the left side surface and the right side surface and two supporting fork bodies respectively arranged on the front side and the back side.
Alternatively,
the inclined fork structure component comprises an inclined fork 41, an inclined fork sliding sleeve 42, a rotating support section 43, a rivet 44 capable of freely rotating and an inclined fork 45 with a bent head.
Alternatively,
the supporting fork body comprises a positive V-shaped supporting fork 51, a reverse V-shaped supporting fork 52 and a supporting fork sliding sleeve 53;
the positive V-shaped supporting fork 51 comprises two supporting rods 501 and a first rotary joint 502 which connects the two supporting rods together to form a V shape;
the inverted V-shaped supporting fork 52 includes two supporting rods 503 with bent heads and a second rotary joint 504 connecting the two supporting rods 503 with bent heads to form a V shape.
Alternatively, the first and second liquid crystal display panels may be,
the telescopic handle assembly comprises a handle grip ring 61, an inner handle 62, an intermediate handle 63, an inner handle lock 64, an outer handle lock 65, an outer handle 66, a support connecting rod 67 and a U-shaped connecting piece 68; an inner handle pipe plug 69 is arranged at the bottom of the inner handle 62, and an intermediate handle pipe plug 70 is arranged at the bottom of the intermediate handle 63;
one end of the U-shaped connecting member 68 is connected to the lower front connecting member 14 by a pin, and the other end of the U-shaped connecting member 68 is connected to the lower front connecting member 14 by a resilient limiting spring 71.
Alternatively, the first and second liquid crystal display panels may be,
the telescopic handle assembly comprises an inner handle 81, an outer handle 82, a handle grip ring 83, an unlocking connecting rod 84, an unlocking button 85, an upper pressure spring 86, an unlocking seat 87, a locking fork 88, a locking seat 89, a lower pressure spring 90, a locking block 91, an outer handle pipe plug 92, a support connecting rod 93 and a U-shaped connecting part 94;
the telescoping handle assembly is connected to the lower front connector 14 by a U-shaped connecting member 94.
Alternatively, the first and second liquid crystal display panels may be,
the two non-upright-column side frame bodies and the two X-shaped supporting fork bodies form a non-upright-column folding frame body frame through the upper connecting piece 17, and the cloth bag 16 is detachably arranged on the non-upright-column folding frame body frame through the upper connecting piece 17 and the side connecting piece 18.
According to the portable folding push-pull vehicle provided by the embodiment of the invention, the damping element is arranged between the walking wheel assembly and the foldable bearing bottom frame, and the damping element has an excellent damping effect in a camping process, so that the problem that articles in the vehicle are damaged due to the fact that the bottom surface of a camping place is uneven or the push-pull vehicle is bumpy by other obstacles is effectively solved; meanwhile, the foldable bearing bottom frame is X-shaped, the metal supporting rod has higher strength and higher bearing weight; the portable folding push-pull vehicle provided by the invention has excellent shock absorption performance, is very suitable for road conditions with rugged, uneven and large vibration in field camping, has larger integral volume compared with the conventional one, and has smaller size after being folded.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a portable folding push-pull cart according to an embodiment of the present invention;
fig. 2 is a schematic view of the structure (without a cloth bag) of embodiment 1 of the portable folding push-pull cart according to the present invention;
fig. 3 is a schematic structural view of a side frame without a pillar in embodiment 1 of the portable folding push-pull cart in accordance with the present invention;
fig. 4 is a schematic view of an X-shaped supporting fork of an embodiment 1 of the portable folding push-pull cart according to the present invention;
fig. 5 is a schematic structural view of a foldable load-bearing bottom frame of the portable folding push-pull vehicle in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of parts of a foldable load-bearing bottom frame of an embodiment 1 of the portable folding push-pull vehicle according to the present invention;
fig. 7 is an exploded view of the telescopic handle of the embodiment 1 of the portable folding push-pull cart according to the present invention;
fig. 8 is a schematic view of the folding structure of the portable folding push-pull cart in the embodiment 1 of the invention;
fig. 9 is a schematic structural view of an embodiment 2 of the portable folding push-pull cart according to the present invention;
fig. 10 is a schematic view showing the structure (without a cloth bag) of embodiment 2 of the portable folding push-pull cart according to the present invention;
fig. 11 is a schematic structural view of the oblique fork structure assembly of the embodiment 2 of the portable folding push-pull cart according to the present invention;
fig. 12 is a schematic structural view of a foldable load-bearing bottom frame of an embodiment 2 of the portable foldable push-pull vehicle according to the present invention;
fig. 13 is an exploded perspective view of the telescopic handle assembly of embodiment 2 of the portable foldable push-pull cart according to the present invention;
fig. 14 is a schematic view showing the installation of the rebound check spring of the embodiment 2 of the portable folding push-pull cart according to the embodiment of the present invention;
fig. 15 is a schematic structural view of a portable folding push-pull cart in a folded state according to an embodiment 2 of the present invention;
11-a fixed wheel; 12-a universal steering wheel; 13-lower rear attachment; 14-lower front attachment; 15-X type folding bearing fork frame; 16-cloth bag; 17-an upper connection; an 18-side connector; 151-metal support rods; 152-a secondary support bar; 153-bottom connector; 154-connecting piece; 155-lower connecting plate; 21-X type folding frame; 22-a branch knot; 201-side straight rod; 202-side bent rod; 31-straight rod; 32-a curved rod with a convex middle part; 41-oblique fork; 42-a skewer sliding sleeve; 43-swivel leg joint; 44-a rivet that can rotate freely; 45-the head is an inclined fork with a bending structure; 51-positive V-shaped support forks; 52-inverted V shaped support forks; 53-support fork slip cap; 501-supporting rods; 502-a first rotational joint; 503-the head is a support bar with a bending structure; 504-a second rotational joint; 61-a handle grip ring; 62-inner handle; 63-middle handle; 64-inner handle lock; 65-external handle lock; 66-external handle; 67-support connecting rods; 68-U-shaped connecting piece; 69-inner handle pipe plug; 70-middle handle plug; 71-a rebound limit spring; 81-inner handle; 82 an outer handle; 83-handle grip ring; 84-an unlocking link; 85-unlock button; 86-upper pressure spring; 87-an unlocking seat; 88-locking the fork; 89-locking seat; 90-lower pressure spring; 91-locking block; 92-external handle pipe plug; 93-a support link; 94-U-shaped connecting parts; 95-column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-8, an embodiment of a portable foldable push-pull cart according to the present invention comprises:
the device comprises a walking wheel component, four shock absorption elements, a foldable bearing bottom frame, a foldable main frame, a telescopic handle component and a cloth bag 16;
the walking wheel assembly comprises two fixed wheels 11 arranged at the rear and two universal steering wheels 12 arranged at the front;
the foldable bearing bottom frame comprises two lower rear connecting pieces 13, a lower front connecting piece 14 and an X-shaped foldable bearing fork frame 15;
the fixed wheel 11 is arranged below the lower rear connecting piece 13 through the shock absorption element, and the universal steering wheel 12 is arranged below the lower front connecting piece 14 through the shock absorption element;
the shock absorption element is one or a mixture of a shock absorption spring, a cylinder type shock absorber or a variable damping shock absorber;
the X-shaped folding bearing fork frame 15 comprises two metal supporting rods 151 and two auxiliary supporting rods 152 which play a main supporting role, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are combined into an X shape through a bottom connecting piece 153, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are folded by taking the bottom connecting piece 153 as a center, one ends of the two metal supporting rods 151 are welded with connecting pieces 154, the connecting pieces 154 of the two metal supporting rods 151 are connected through lower connecting plates 155, the lower connecting plates 155 are arranged on the bottom connecting piece 153, and the two metal supporting rods 151 are folded by taking the lower connecting plates 155 as centers.
Alternatively,
the foldable main frame comprises two upright-column-free side frame bodies and two X-shaped supporting fork bodies, and the side frame bodies and the X-shaped supporting fork bodies can be folded.
Alternatively, the first and second liquid crystal display panels may be,
the side frame body without the upright column comprises two X-shaped folding frames 21, the two X-shaped folding frames 21 are connected through a supporting node 22, each X-shaped folding frame 21 comprises a side straight rod 201 and a side bent rod 202, the middle of each side straight rod 201 is connected with the corresponding side bent rod 202 through a pin shaft, and the middle of each side straight rod 201 and the corresponding side bent rod 202 can be folded through rotation of the pin shaft.
Alternatively,
the X-shaped supporting fork body comprises a straight rod 31 and a bent rod 32 with a convex middle part, the straight rod 31 and the bent rod 32 are connected through a pin shaft in the middle, and the straight rod 31 and the bent rod 32 are folded in a rotating mode around the pin shaft.
Alternatively,
the telescopic handle assembly comprises an inner handle 81, an outer handle 82, a handle grip ring 83, an unlocking connecting rod 84, an unlocking button 85, an upper pressure spring 86, an unlocking seat 87, a lock shifting fork 88, a lock seat 89, a lower pressure spring 90, a lock block 91, an outer handle pipe plug 92, a support connecting rod 93 and a U-shaped connecting component 94;
the telescoping handle assembly is connected to the lower front connector 14 by a U-shaped connecting member 94.
Alternatively,
the two non-upright-column side frame bodies and the two X-shaped supporting fork bodies form a non-upright-column folding frame body frame through the upper connecting piece 17, and the cloth bag 16 is detachably arranged on the non-upright-column folding frame body frame through the upper connecting piece 17 and the side connecting piece 18.
Example 2
Referring to fig. 9-15, an embodiment of the portable foldable push-pull cart according to the present invention comprises:
the device comprises a walking wheel component, four shock absorption elements, a foldable bearing bottom frame, a foldable main frame, a telescopic handle component and a cloth bag;
the walking wheel assembly comprises two fixed wheels 11 arranged at the rear and two universal steering wheels 12 arranged at the front;
the foldable bearing bottom frame comprises two lower rear connecting pieces 13, a lower front connecting piece 14 and an X-shaped foldable bearing fork frame 15;
the fixed wheel 11 is arranged below the lower rear connecting piece 13 through the shock absorption element, and the universal steering wheel 12 is arranged below the lower front connecting piece 14 through the shock absorption element;
the shock absorption element is one or a mixture of a shock absorption spring, a cylinder type shock absorber or a variable damping shock absorber;
the X-shaped folding bearing fork frame 15 comprises two metal supporting rods 151 and two auxiliary supporting rods 152 which play a main supporting role, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are combined into an X shape through a bottom connecting piece 153, the two metal supporting rods 151 and the two auxiliary supporting rods 152 are folded by taking the bottom connecting piece 153 as a center, connecting pieces 154 are welded to one ends of the two metal supporting rods 151, the connecting pieces 154 of the two metal supporting rods 151 are connected through lower connecting plates 155, the lower connecting plates 155 are arranged on the bottom connecting piece 153, and the two metal supporting rods 151 are folded by taking the lower connecting plates 155 as centers.
Alternatively,
the foldable main frame comprises four upright posts 95, two inclined fork structure components respectively arranged at the left side surface and the right side surface and two supporting fork bodies respectively arranged at the front and the back.
Alternatively,
the inclined fork structure component comprises an inclined fork 41, an inclined fork sliding sleeve 42, a rotating support section 43, a rivet 44 capable of freely rotating and an inclined fork 45 with a bent head.
Alternatively, the first and second liquid crystal display panels may be,
the supporting fork body comprises a positive V-shaped supporting fork 51, a reverse V-shaped supporting fork 52 and a supporting fork sliding sleeve 53;
the positive V-shaped supporting fork 51 comprises two supporting rods 501 and a first rotary joint 502 which connects the two supporting rods together to form a V shape;
the inverted V-shaped supporting fork 52 includes two supporting rods 503 with bent heads and a second rotary joint 504 connecting the two supporting rods 503 with bent heads to form a V shape.
Alternatively, the first and second liquid crystal display panels may be,
the telescopic handle assembly comprises a handle grip ring 61, an inner handle 62, an intermediate handle 63, an inner handle lock 64, an outer handle lock 65, an outer handle 66, a support connecting rod 67 and a U-shaped connecting piece 68; the bottom of the inner handle 62 is provided with an inner handle pipe plug 69, and the bottom of the middle handle 63 is provided with a middle handle pipe plug 70;
one end of the U-shaped connecting member 68 is connected to the lower front connecting member 14 by a pin, and the other end of the U-shaped connecting member 68 is connected to the lower front connecting member 14 by a resilient limiting spring 71.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a portable folding push-and-pull car which characterized in that: comprises a walking wheel component, four shock absorption elements, a foldable bearing bottom frame, a foldable main frame, a telescopic handle component and a cloth bag;
the walking wheel assembly comprises two fixed wheels (11) arranged at the rear and two universal steering wheels (12) arranged at the front;
the foldable bearing bottom frame comprises two lower rear connecting pieces (13), a lower front connecting piece (14) and an X-shaped foldable bearing fork frame (15);
the fixed wheel (11) is arranged below the lower rear connecting piece (13) through the shock absorption element, and the universal steering wheel (12) is arranged below the lower front connecting piece (14) through the shock absorption element;
the shock absorption element is one or a mixture of a shock absorption spring, a cylinder type shock absorber or a variable damping shock absorber;
the X-shaped folding bearing fork frame (15) comprises two metal supporting rods (151) and two auxiliary supporting rods (152) which play a main supporting role, the X-shaped folding bearing fork frame is composed of the two metal supporting rods (151) and the two auxiliary supporting rods (152) through a bottom connecting piece (153), the two metal supporting rods (151) and the two auxiliary supporting rods (152) are folded by taking the bottom connecting piece (153) as the center, connecting pieces (154) are welded to one ends of the two metal supporting rods (151), the connecting pieces (154) of the two metal supporting rods (151) are connected through lower connecting plates (155), the lower connecting plates (155) are arranged on the bottom connecting piece (153), and the lower connecting plates (155) of the two metal supporting rods (151) are folded by taking the center as the center.
2. A portable folding push-pull cart according to claim 1, characterized in that: the foldable main frame comprises two upright-column-free side frame bodies and two X-shaped supporting fork bodies, and the side frame bodies and the X-shaped supporting fork bodies can be folded.
3. A portable folding push-pull cart according to claim 2, characterized in that: the side frame body without the upright column comprises two X-shaped folding frames (21), the two X-shaped folding frames (21) are connected through a branch joint (22), each X-shaped folding frame (21) comprises a side straight rod (201) and a side bent rod (202), the middle of each side straight rod (201) is connected with the corresponding side bent rod (202) through a pin shaft, and the middle of each side straight rod (201) and the corresponding side bent rod (202) can be folded around the pin shaft in a rotating mode.
4. A portable folding push-pull cart according to claim 3, characterized in that: the X-shaped supporting fork body comprises a straight rod (31) and a bent rod (32) with a convex middle part, the straight rod (31) and the bent rod (32) are connected through a pin shaft, and the straight rod (31) and the bent rod (32) are rotationally folded around the pin shaft.
5. A portable folding push-pull cart according to claim 1, characterized in that: the foldable main frame comprises four upright posts, two inclined fork structure assemblies respectively arranged on the left side surface and the right side surface and two supporting fork bodies respectively arranged on the front side and the back side.
6. The portable folding push-pull cart as recited in claim 5, further comprising: the inclined fork structure component comprises an inclined fork (41), an inclined fork sliding sleeve (42), a rotating support section (43), a rivet (44) capable of freely rotating and an inclined fork (45) with a bent head.
7. The portable folding push-pull cart as recited in claim 6, further comprising: the supporting fork body comprises a positive V-shaped supporting fork (51), a reverse V-shaped supporting fork (52) and a supporting fork sliding sleeve (53);
the positive V-shaped support fork (51) comprises two support rods (501) and a first rotary joint (502) which connects the two support rods together to form a V shape;
the inverted V-shaped supporting fork (52) comprises two supporting rods (503) with bent heads and a second rotating joint (504) which connects the two supporting rods (503) with bent heads to form a V shape.
8. A portable folding push-pull cart according to claim 1, characterized in that: the telescopic handle assembly comprises a handle grip ring (61), an inner handle (62), a middle handle (63), an inner handle lock (64), an outer handle lock (65), an outer handle (66), a support connecting rod (67) and a U-shaped connecting piece (68); an inner handle pipe plug (69) is arranged at the bottom of the inner handle (62), and a middle handle pipe plug (70) is arranged at the bottom of the middle handle (63);
one end of the U-shaped connecting piece (68) is connected with the lower front connecting piece (14) through a pin shaft, and the other end of the U-shaped connecting piece (68) is connected with the lower front connecting piece (14) through a rebound limiting spring (71).
9. A portable folding push-pull cart according to claim 1, characterized in that: the telescopic handle assembly comprises an inner handle (81), an outer handle (82), a handle holding ring (83), an unlocking connecting rod (84), an unlocking button (85), an upper pressure spring (86), an unlocking seat (87), a lock shifting fork (88), a lock seat (89), a lower pressure spring (90), a lock block (91), an outer handle pipe plug (92), a support connecting rod (93) and a U-shaped connecting part (94);
the telescopic handle assembly is connected to the lower front connecting piece (14) through a U-shaped connecting part (94).
10. The portable folding push-pull cart as recited in claim 4, further comprising: two do not have stand side frame body and two X type support fork body and pass through upper connecting piece (17) and constitute no stand folding frame body frame, and cloth pocket (16) are in through upper connecting piece (17) and side connecting piece (18) detachable setting on no stand folding frame body frame.
CN202210836402.XA 2022-07-15 2022-07-15 Portable folding push-and-pull car Pending CN115140138A (en)

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Application Number Priority Date Filing Date Title
CN202210836402.XA CN115140138A (en) 2022-07-15 2022-07-15 Portable folding push-and-pull car

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Application Number Priority Date Filing Date Title
CN202210836402.XA CN115140138A (en) 2022-07-15 2022-07-15 Portable folding push-and-pull car

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CN115140138A true CN115140138A (en) 2022-10-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428177A (en) * 1934-08-10 1935-05-08 Ernst Klimt Improvements in collapsible frames for camp beds and the like
CN1437539A (en) * 2000-06-14 2003-08-20 金正基 Portable and collapsible carts
CN108725533A (en) * 2018-04-08 2018-11-02 鹭谱达（厦门）户外用品有限公司 Portable folding trailer
CN112519853A (en) * 2020-12-30 2021-03-19 青岛鸿润发机械制造有限公司 Frame lockable cloth bag folding car that stability is high
CN213862325U (en) * 2020-12-17 2021-08-03 轻派(厦门)科技有限公司 Multifunctional trolley
DE202022102086U1 (en) * 2021-12-18 2022-04-27 Qingdao Tmz Tools Co., Ltd. Foldable wagon with foldable tabletop
CN114506371A (en) * 2020-11-16 2022-05-17 薛勇 Foldable push-and-pull vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428177A (en) * 1934-08-10 1935-05-08 Ernst Klimt Improvements in collapsible frames for camp beds and the like
CN1437539A (en) * 2000-06-14 2003-08-20 金正基 Portable and collapsible carts
CN108725533A (en) * 2018-04-08 2018-11-02 鹭谱达（厦门）户外用品有限公司 Portable folding trailer
CN114506371A (en) * 2020-11-16 2022-05-17 薛勇 Foldable push-and-pull vehicle
CN213862325U (en) * 2020-12-17 2021-08-03 轻派(厦门)科技有限公司 Multifunctional trolley
CN112519853A (en) * 2020-12-30 2021-03-19 青岛鸿润发机械制造有限公司 Frame lockable cloth bag folding car that stability is high
DE202022102086U1 (en) * 2021-12-18 2022-04-27 Qingdao Tmz Tools Co., Ltd. Foldable wagon with foldable tabletop

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