CN102390419B - Fully-foldable handcart - Google Patents
Fully-foldable handcart Download PDFInfo
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- CN102390419B CN102390419B CN2011102962572A CN201110296257A CN102390419B CN 102390419 B CN102390419 B CN 102390419B CN 2011102962572 A CN2011102962572 A CN 2011102962572A CN 201110296257 A CN201110296257 A CN 201110296257A CN 102390419 B CN102390419 B CN 102390419B
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- handspike
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- connecting rod
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Abstract
The invention discloses a fully-foldable handcart, comprising a front wheel set, a rear wheel set, a wheel set connecting rod, a T-shaped slanting rod and a hand-pushing rod. The front end of the wheel set connecting rod is connected with the front wheel set. A rear wheel shaft is installed on the rear wheel set. An installing seat is arranged on the rear wheel shaft. A connecting rod groove is arranged on the installing seat. The rear end of the wheel set connecting rod is inserted in the connecting rod groove of the installing seat. The invention is characterized in that the T-shaped slanting rod and the hand-pushing rod can be collected by folding. The handcart can be folded completely only by arranging the collecting and folding mechanism of the T-shaped slanting rod and the hand-pushing rod, and the folding can be operated by treading twice lightly and pulling the lower end of the hand-pushing rod; while the handcart can be automatically expanded only by opening the frame, which is very simple and fast. The invention is simple and rational in structure. The cost can be reduced because the related component is very small. The invention is suitable for popularizing and applying the product.
Description
Technical field
The present invention relates to the hand barrow technical field, is especially a kind of Full-foldable trolley that is convenient for carrying and collects.
Background technology
Existing hand barrow, as: baby stroller, golf cart etc., carry for convenience and collect, all can be set to the folding structure; As Chinese invention patent number: 201120076462.3, name is called: baby cart folding mechanism, this kind of baby cart folding mechanism, be mainly to fold cliding seat at tool one, is interior empty shape, with perambulator two side skeletons, fixes.Tool one is assembled seat, that build-in is in folding cliding seat, use for a fastening plate and and fold the control knob embedding, wherein fastening plate is middle by pivot joint, front end tool one clamping hooked, and another rear end connects a pull back spring, fold control knob and connect another pull back spring, when folding control knob one, unclasp, the pull back spring that it connects, can drive and fold control knob and reset.Tool one seat that is fixed, be the maincenter pipe top that is fixed on the baby stroller skeleton, and the top of maincenter pipe is through after the hollow inner side that folds cliding seat, more fixed with the seat that is fixed, and the clamping hooked position of the corresponding fastening plate of seat that is fixed has connecting hole.Use these to arrange, can reach the effect that baby stroller opens location and folds.
Yet; The hand barrow retracting mechanism of said structure still has the following disadvantages: (1) its accessory of relating to is many, structure is very complicated, therefore, causes the manufacturing cost of product higher, is unfavorable for promoting the use of of product; (2) when hand barrow is opened location and folds operation, be subject to its a plurality of engaging bit architectures spacing, cause complicated operation, inconvenience, and be difficult to accomplish real full foldable structure.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of simple and reasonable for structure, folding and to open operation simple and easy, quick, and can really accomplish the hand barrow of full foldable structure.
The object of the present invention is achieved like this:
Full-foldable trolley, comprise front wheels, rear wheels, wheels connecting rod, T-shaped brace and handspike, wheels connecting rod front end is connected with front wheels, on rear wheels, hind axle is installed, be provided with mount pad on hind axle, have the connecting rod access slot on mount pad, the wheels rod rear end is pegged graft in the connecting rod access slot of mount pad, it is characterized in that:
Also have brace access slot and foot-operated groove on the mount pad of described hind axle, peg graft in the brace access slot in T-shaped brace lower end, lay spring and brace thereof in foot-operated groove foot-operated, brace is foot-operated to be placed in spring top and to expose to outside foot-operated groove, T-shaped brace lower end has positioning groove, the end holding that brace is ridden is in the positioning groove of T-shaped brace, T-shaped brace hypomere is equipped with travel(l)ing rest, on the wheels connecting rod, carrier base is installed, T-shaped brace is arranged on the carrier base of wheels connecting rod by its travel(l)ing rest bottom with the axle manner, and the carrier base side of wheels connecting rod also is equipped with support and rides and spring, support is foot-operated to offset with the travel(l)ing rest bottom, so that foot-operated by trampling brace, the foot-operated end of oblique stalk that allows holding enter positioning groove leaves, make not circumscribed of T-shaped brace lower end, now, foot-operated by trampling support again, make with the past clockwise direction of the T-shaped brace of travel(l)ing rest near the wheels connecting rod, and make T-shaped brace collection folding,
Described handspike lower end is arranged on the travel(l)ing rest top of T-shaped brace with the axle movable connection method, in the handspike positioning groove that the handspike lower end is telescoping the travel(l)ing rest of planting, so that by pull-up handspike lower end, make the handspike lower end leave the handspike positioning groove of travel(l)ing rest, apply clockwise direction power to handspike again, make handspike near T-shaped brace, realize that the handspike collection is folding.
This kind of hand barrow, only by the collection fold mechanism of T-shaped brace and handspike is set, can realize complete folding effect, and, during folding operation, can ride and a pull-up handspike lower end by gently twice, can realize, and hand barrow open operation, only needing to open support body can open automatically, very simple and easy, quick, and simple and reasonable for structure, the parts that relate to are very little, can reduce costs, and are conducive to promoting the use of of product.
The present invention can also adopt following technical measures to solve:
As scheme more specifically, the flexible operating-controlling mechanism of handspike lower end is installed on described handspike, it mainly consists of sliding sleeve, tie rod and inner sleeve, sliding sleeve is arranged on the shaft surface of handspike, tie rod and in be placed in shaft, tie rod one end connects sliding sleeve, and the other end and handspike lower end join, and the top quilt cover of handspike lower end fixes in the trepanning of inner sleeve; People, by mentioning or pressing down sliding sleeve, can drive hand push stalk lower end, under the directional tagging of inner sleeve, along the shaft inner chamber of hand push stalk, do upper and lower sliding, and realize the telescopic action of handspike lower end, so that folding or the push rod that opens one's hand.
As better scheme, described handspike lower end is a locating piece independently, and on this locating piece, planting into the end face in the handspike positioning groove is inclined-plane, and the handspike lower end is inclined plane shape, can make itself and coordinating of handspike positioning groove manage good, location and the effect broken away from are better.
As the scheme of refinement more, the top of described handspike lower end is equipped with two fixed plates, and the tie rod lower end is connected with two fixed plates.
Described T-shaped brace lower end is the piece of independently pegging graft, and positioning groove is arranged on the front end of grafting piece, on the shaft of the rear end of grafting piece through travel(l)ing rest the T-shaped brace of planting.
Described travel(l)ing rest comprises transverse part and vertical part, the shaft shape of the approximate T-shaped brace of transverse part also has axial trepanning, the handspike lower end is through the axial trepanning of transverse part, its vertical part comprises left and right side journal stirrup and rear side block thereof, described left and right side journal stirrup bottom is protruded the travel(l)ing rest bottom and is offseted with support is foot-operated, the shaft of handspike hypomere is arranged on the left and right side journal stirrup by rotating shaft, so that be flexibly connected between travel(l)ing rest and carrier base.
Described carrier base is nested with the back segment at the wheels connecting rod, mount pad extends the journal stirrup seat upward, the left and right side journal stirrup of journal stirrup seat and travel(l)ing rest is that axle is flexibly connected, also have mounting groove on carrier base, be placed with spring and support in mounting groove foot-operated, the stent foot trampling puts on spring, and protruding upward.
Beneficial effect of the present invention is as follows:
(1) hand barrow of the present invention, only by the collection fold mechanism of T-shaped brace and handspike is set, can realize complete folding effect, and, during folding operation, can ride and a pull-up hand push stalk lower end by gently twice, can realize, and hand barrow open operation, only needing to open support body can open automatically, very simple and easy, quick, and simple and reasonable for structure, the parts that relate to are very little, can reduce costs, and are conducive to promoting the use of of product.
The accompanying drawing explanation
Fig. 1 is the block diagram of invention hand barrow;
Fig. 2 is another angle block diagram of hand barrow of Fig. 1;
Fig. 3 is the exploded view of invention hand barrow;
Fig. 4 is the exploded view of hand barrow folded state of the present invention;
Fig. 5 is hand barrow folded state schematic diagram of the present invention.
The specific embodiment
As shown in Figures 1 to 5, a kind of Full-foldable trolley, comprise front wheels 1, rear wheels 2, wheels connecting rod 3, T-shaped brace 4 and handspike 5, wheels connecting rod 3 front ends are connected with front wheels 1, on rear wheels 2, hind axle 21 is installed, be provided with mount pad 6 on hind axle 21, have connecting rod access slot 61 on mount pad 6, peg graft in the connecting rod access slot 61 of mount pad 6 in wheels connecting rod 3 rear ends, it is characterized in that: also have brace access slot 62 and foot-operated groove 63 on the mount pad 6 of described hind axle 21, peg graft in brace access slot 62 in T-shaped brace lower end 41, lay spring 7 and brace foot-operated 8 thereof in foot-operated groove 63, brace foot-operated 8 is placed in spring 7 tops and exposes to outside foot-operated groove 63, T-shaped brace lower end 41 has positioning groove 9, one end holding of brace foot-operated 8 is in the positioning groove 9 of T-shaped brace, T-shaped brace 4 hypomeres are equipped with travel(l)ing rest 10, carrier base 11 is installed on wheels connecting rod 3, T-shaped brace 4 is arranged on the carrier base 11 of wheels connecting rod by its travel(l)ing rest 10 bottoms with the axle manner, and carrier base 11 sides of wheels connecting rod also are equipped with support foot-operated 12 and spring 13 thereof, support foot-operated 12 offsets with travel(l)ing rest 10 bottoms, so that by trampling brace foot-operated 8, foot-operated 8 one ends of brace that allow holding enter positioning groove 9 leave, make not circumscribed of T-shaped brace lower end 41, now, again by trampling support foot-operated 12, make the close wheels connecting rod 3 of the past clockwise direction of T-shaped brace 4 with travel(l)ing rest 10, and make T-shaped brace 4 collections folding, described handspike bottom 51 is arranged on travel(l)ing rest 10 tops of T-shaped brace with the axle movable connection method, in the handspike positioning groove 1001 of handspike lower end 51 for telescoping the travel(l)ing rest 10 of planting, so that by pull-up handspike lower end 51, make handspike lower end 51 leave the handspike positioning groove 1001 of travel(l)ing rest, apply clockwise direction power to handspike 5 again, make handspike 5 near T-shaped brace 4, realize that handspike 5 collections are folding.
The flexible operating-controlling mechanism 13 of handspike lower end is installed on described handspike 5, it mainly consists of sliding sleeve 131, tie rod 132 and inner sleeve 133, sliding sleeve 131 is arranged on the shaft surface of handspike 5, tie rod 132 and inner sleeve 133 are placed in shaft, tie rod 132 1 ends connect sliding sleeve 131, the other end and handspike lower end 51 join, and 51De top, handspike lower end quilt cover fixes in the trepanning of inner sleeve 133.
Described handspike lower end 51 is a locating piece independently, and on this locating piece, planting into the end faces in handspike positioning groove 1001 is inclined-plane 511; 51De top, handspike lower end is equipped with two fixed plates 134, and tie rod 132 lower ends are connected with two fixed plates 134.
Described T-shaped brace lower end 41 is the piece of independently pegging graft, and positioning groove 9 is arranged on the front end of grafting piece, on the shaft of the rear end of grafting piece through travel(l)ing rest 10 the T-shaped brace 4 of planting.
Described travel(l)ing rest 10 comprises transverse part and vertical part, the shaft shape of the approximate T-shaped brace 4 of transverse part also has axial trepanning, handspike lower end 51 is through the axial trepanning of transverse part, its vertical part comprises left and right side journal stirrup 1002,1003 and rear side block 1004 thereof, described left and right side journal stirrup 1002,1003 bottoms are protruded travel(l)ing rest 10 bottoms and are offseted with support foot-operated 12, and the shaft of handspike 5 hypomeres is arranged on left and right side journal stirrup 1002,1003 by rotating shaft.
Described carrier base 11 is nested with the back segment at wheels connecting rod 3, carrier base 11 extends journal stirrup seat 111 upward, journal stirrup seat 111 is flexibly connected for axle with the left and right side journal stirrup 1002,1003 of travel(l)ing rest, also have mounting groove 112 on carrier base 11, be placed with spring 13 and support in mounting groove 112 foot-operated 12, support foot-operated 12 presses and puts on spring 13, and protruding upward.
Principle of work: when folding, by trampling brace foot-operated 8, foot-operated 8 one ends of brace that allow holding enter positioning groove 9 leave, make not circumscribed of T-shaped brace lower end 41, now, ride 12 by trampling support again, make the close wheels connecting rod 3 of the past clockwise direction of T-shaped brace 4 with travel(l)ing rest 10, and make T-shaped brace 4 collections folding; Then, also by pull-up handspike lower end 51, make handspike lower end 51 leave the handspike positioning groove 1001 of travel(l)ing rest, then apply clockwise direction power to handspike 5, make handspike 5 near T-shaped brace 4, realize that handspike 5 collections are folding.While opening, only need to open (pulling open) T-shaped brace 4 and handspike, can realize opening operation.
Claims (4)
1. Full-foldable trolley, comprise front wheels (1), rear wheels (2), wheels connecting rod (3), T-shaped brace (4) and handspike (5), wheels connecting rod (3) front end is connected with front wheels (1), hind axle (21) is installed on rear wheels (2), be provided with mount pad (6) on hind axle (21), have connecting rod access slot (61) on mount pad (6), pegging graft in the connecting rod access slot (61) of mount pad (6) in wheels connecting rod (3) rear end, it is characterized in that:
Also have brace access slot (62) and foot-operated groove (63) on the mount pad (6) of described hind axle (21), peg graft in brace access slot (62) in T-shaped brace lower end (41), lay spring (7) and brace foot-operated (8) thereof in foot-operated groove (63), brace foot-operated (8) is placed in spring (7) top and exposes to outside foot-operated groove (63), T-shaped brace lower end (41) has positioning groove (9), one end holding of brace foot-operated (8) is in the positioning groove (9) of T-shaped brace, T-shaped brace (4) hypomere is equipped with travel(l)ing rest (10), carrier base (11) is installed on wheels connecting rod (3), T-shaped brace (4) is arranged on the carrier base (11) of wheels connecting rod by its travel(l)ing rest (10) bottom with the axle manner, and the carrier base of wheels connecting rod (11) side also is equipped with support foot-operated (12) and spring (13) thereof, support foot-operated (12) offsets with travel(l)ing rest (10) bottom, so that by trampling brace foot-operated (8), foot-operated (8) one ends of brace that allow holding enter positioning groove (9) leave, make not circumscribed of T-shaped brace lower end (41), now, again by trampling support foot-operated (12), make with the past clockwise direction of the T-shaped brace (4) of travel(l)ing rest (10) near wheels connecting rod (3), and make T-shaped brace (4) collection folding,
Handspike lower end (51) is arranged on travel(l)ing rest (10) top of T-shaped brace with the axle movable connection method, in the handspike positioning groove (1001) of handspike lower end (51) for telescoping the travel(l)ing rest of planting (10), so that by pull-up handspike lower end (51), make handspike lower end (51) leave the handspike positioning groove (1001) of travel(l)ing rest, apply clockwise direction power to handspike (5) again, make handspike (5) near T-shaped brace (4), realize that handspike (5) collection is folding;
Described handspike lower end (51) is a locating piece independently, and on this locating piece, planting into the end face in handspike positioning groove (1001) is inclined-plane (511);
The flexible operating-controlling mechanism (13) of handspike lower end is installed on described handspike (5), it mainly consists of sliding sleeve (131), tie rod (132) and inner sleeve (133), sliding sleeve (131) is arranged on the shaft surface of handspike (5), tie rod (132) and inner sleeve (133) are placed in shaft, tie rod (132) one ends connect sliding sleeve (131), the other end and handspike lower end (51) join, and the top quilt cover of handspike lower end (51) fixes in the trepanning of inner sleeve (133).
The top of described handspike lower end (51) is equipped with two fixed plates (134), and tie rod (132) lower end is connected with two fixed plates (134).
2. Full-foldable trolley according to claim 1, it is characterized in that, described T-shaped brace lower end (41) is the piece of independently pegging graft, and positioning groove (9) is arranged on the front end of grafting piece, on the shaft of the rear end of grafting piece through travel(l)ing rest (10) T-shaped brace (4) of planting.
3. Full-foldable trolley according to claim 2, it is characterized in that, described travel(l)ing rest (10) comprises transverse part and vertical part, the shaft shape of the approximate T-shaped brace (4) of transverse part, and have an axial trepanning, handspike lower end (51) is through the axial trepanning of transverse part, its vertical part comprises a left side, right side journal stirrup (1002, 1003) and rear side block (1004), a described left side, right side journal stirrup (1002, 1003) travel(l)ing rest (10) bottom is protruded in bottom, and offset with support foot-operated (12), the shaft of handspike (5) hypomere is arranged on a left side by rotating shaft, right side journal stirrup (1002, 1003) on.
4. Full-foldable trolley according to claim 3, it is characterized in that, described carrier base (11) is nested with the back segment in wheels connecting rod (3), carrier base (11) extends journal stirrup seat (111) upward, journal stirrup seat (111) is flexibly connected for axle with the left and right side journal stirrup (1002,1003) of travel(l)ing rest, also have mounting groove (112) on carrier base (11), be placed with spring (13) and support foot-operated (12) in mounting groove (112), support foot-operated (12) pressure is put at spring (13) upper, also protruding upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102962572A CN102390419B (en) | 2011-09-28 | 2011-09-28 | Fully-foldable handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102962572A CN102390419B (en) | 2011-09-28 | 2011-09-28 | Fully-foldable handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390419A CN102390419A (en) | 2012-03-28 |
| CN102390419B true CN102390419B (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102962572A Active CN102390419B (en) | 2011-09-28 | 2011-09-28 | Fully-foldable handcart |
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| Country | Link |
|---|---|
| CN (1) | CN102390419B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5863061A (en) * | 1996-10-25 | 1999-01-26 | Ziegler; Scott William | Collapsible three wheeled stroller |
| CN201951527U (en) * | 2011-03-22 | 2011-08-31 | 王立德 | Baby cart folding mechanism |
| CN202294895U (en) * | 2011-09-28 | 2012-07-04 | 李从道 | Full-foldable trolley |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2696950Y (en) * | 2004-04-30 | 2005-05-04 | 明门实业股份有限公司 | Foldable frame for permulator |
-
2011
- 2011-09-28 CN CN2011102962572A patent/CN102390419B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5863061A (en) * | 1996-10-25 | 1999-01-26 | Ziegler; Scott William | Collapsible three wheeled stroller |
| CN201951527U (en) * | 2011-03-22 | 2011-08-31 | 王立德 | Baby cart folding mechanism |
| CN202294895U (en) * | 2011-09-28 | 2012-07-04 | 李从道 | Full-foldable trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102390419A (en) | 2012-03-28 |
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Effective date of registration: 20170502 Address after: 362300 Fujian province Nanan city Meishan town Guangfu two Lin Ban Industrial Park Patentee after: Fujian Rongzhong Renfa Children Products Co. Ltd. Address before: 523000 room, power supply building, Qingxi Town, Guangdong, Dongguan, China, 1203 Patentee before: Li Congdao |
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