CN102390419A

CN102390419A - Fully-foldable handcart

Info

Publication number: CN102390419A
Application number: CN2011102962572A
Authority: CN
Inventors: 李从道
Original assignee: 李从道
Current assignee: Fujian Rongzhong Renfa Children Products Co. Ltd.
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-03-28
Anticipated expiration: 2031-09-28
Also published as: CN102390419B

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

The full folding type hand barrow

Technical field

The present invention relates to the hand barrow technical field, especially is a kind of full folding type hand barrow that is convenient for carrying and collects.

Background technology

Existing hand barrow, as: baby stroller, golf cart etc., for being convenient for carrying and collecting, all can it be arranged to the folding structure; Like Chinese invention patent number: 201120076462.3, name is called: the baby stroller retracting mechanism, this kind of baby stroller retracting mechanism mainly is to fold cliding seat at tool one, is interior empty shape, with perambulator both sides skeletal fixation.Tool one is assembled seat, be build-in in folding cliding seat, use to fold control knob for a fastening plate and and embed; Wherein articulated in the middle of the fastening plate, front end tool one clamping hooked, another rear end connects a pull back spring; Fold control knob and connect another pull back spring; Unclasp when folding control knob one, its bonded assembly pull back spring can drive and folds control knob and reset.Tool one seat that is fixed is the maincenter pipe top that is fixed on the baby stroller skeleton, and the top of maincenter pipe is after passing the hollow inner side that folds cliding seat, and is fixed with the seat that is fixed again, and the clamping hooked position of the corresponding fastening plate of seat that is fixed has connecting hole.Use these to be provided with, can reach the effect that baby stroller opens the location and folds.

Yet still there is following weak point in the hand barrow retracting mechanism of said structure: (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; When (2) hand barrow opens the location and folds operation, receive 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 objective of the invention is to overcome the deficiency that above-mentioned prior art exists, and a kind of structure letter is provided

1

Single, rationally, folding and to open operation simple and easy, quick, and can really accomplish the hand barrow of full foldable structure.

The objective of the invention is to realize like this:

The full folding type hand barrow; Comprise preceding wheels, back wheels, wheels connecting rod, T type brace and handspike, wheels connecting rod front end is connected with preceding wheels, on the back wheels hind axle is installed; Hind axle is provided with mount pad; Have the connecting rod access slot on the 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 having brace access slot and foot-operated groove on the mount pad of said hind axle, pegs graft in the brace access slot in T type brace lower end, lays spring in the foot-operated groove and brace is foot-operated; Brace is ridden to place spring top and expose to and is ridden outside the groove, and T type brace lower end has positioning groove, and the end holding that brace is ridden is in the positioning groove of T type brace; T type brace hypomere is equipped with travel(l)ing rest, on the wheels connecting rod carrier base is installed, and T type brace is installed on the carrier base of wheels connecting rod through its travel(l)ing rest bottom with the axle manner; And the carrier base of wheels connecting rod next door also is equipped with the foot-operated and spring of support, and support is foot-operated to offset with the travel(l)ing rest bottom, so that foot-operated through trampling brace; The foot-operated end of brace that lets holding go into positioning groove leaves; Make not constrained of T type brace lower end, at this moment, foot-operated through trampling support again; The past clockwise direction of T type brace that makes the band travel(l)ing rest is near the wheels connecting rod, and it is folding that T type brace is collected;

Said handspike bottom is installed in the travel(l)ing rest top of T type brace with the axle movable connection method; The handspike lower end is a telescoping, also plant is gone in the handspike positioning groove of travel(l)ing rest; So that through 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 type brace, realize that the handspike collection is folding.

This kind of hand barrow only through the collection fold mechanism of T type brace and handspike is set, can be realized complete folding effect; And, during folding operation, can ride and a pull-up handspike lower end through gently twice; Can realize; And hand barrow open operation, only need open support body can open automatically, very letter

2

Easy, quick, and simple and reasonable for structure, and the parts that relate to are very little, but cost-cutting helps 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 the said handspike, and it mainly is made up of sliding sleeve, tie rod and interior cover, and sliding sleeve is arranged on the shaft surface of handspike; Tie rod with in be placed in the shaft; Tie rod one end connects sliding sleeve, and the other end and handspike lower end join, in the trepanning that overlaps in the top quilt cover of handspike lower end fixes on; People can drive the handspike lower end through mentioning or pressing down sliding sleeve, under the directional tagging of interior cover, do upper and lower sliding along the shaft inner chamber of handspike, realize the telescopic action of handspike lower end, so that folding or the push rod that opens one's hand.

As better scheme; Said handspike lower end is a locating piece independently, and the end face in the handspike positioning groove of planting on this locating piece is the inclined-plane, and the handspike lower end is an inclined plane shape; It is good that itself and cooperating of handspike positioning groove are managed, and location and the effect that breaks away from are better.

As the scheme of refinement more, the top of said handspike lower end is equipped with two fixed plates, and the tie rod lower end is connected with two fixed plates.

Said T type brace lower end is the piece of independently pegging graft, and positioning groove is arranged on the front end of grafting piece, the rear end of grafting piece pass travel(l)ing rest and the shaft of the T type brace of planting on.

Said travel(l)ing rest comprises transverse part and vertical part; The shaft shape of the approximate T type brace of transverse part also has axial trepanning; The axial trepanning of transverse part is passed in the handspike lower end, and its vertical part comprises left and right side journal stirrup and rear side block thereof, and said left and right side journal stirrup bottom is protruded the travel(l)ing rest bottom and offseted with support is foot-operated; The shaft of handspike hypomere is installed on the left and right side journal stirrup through rotating shaft, so that flexibly connect between travel(l)ing rest and the carrier base.

3

Said carrier base is nested with the back segment at the wheels connecting rod; Mount pad extends the journal stirrup seat up; The left and right side journal stirrup of journal stirrup seat and travel(l)ing rest is that axle flexibly connects; Also have mounting groove on the carrier base, it is foot-operated to be placed with spring and support in the mounting groove, and the stent foot trampling puts on spring, and protruding upward.

Beneficial effect of the present invention is following:

(1) hand barrow of the present invention only through the collection fold mechanism of T type brace and handspike is set, can be realized complete folding effect, and; During folding operation, can be through gently twice foot-operated and a pull-up handspike lower end can be realized, and hand barrow open operation; Only need 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, but cost-cutting helps promoting the use of of product.

Description of drawings

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 a hand barrow folded state scheme drawing of the present invention.

The specific embodiment

Extremely shown in Figure 5 like Fig. 1; A kind of full folding type hand barrow, wheels 1, back wheels 2, wheels connecting rod 3, T type brace 4 and handspike 5 before comprising, wheels connecting rod 3 front ends are connected with preceding wheels 1; On the back wheels 2 hind axle 21 is installed; Hind axle 21 is provided with mount pad 6, has connecting rod access slot 61 on the mount pad 6, pegs 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 having brace access slot 62 and foot-operated groove 63 on the mount pad 6 of said hind axle 21, pegs graft tiltedly in T type brace lower end 41

4

In the bar access slot 62, it is foot-operated 8 to lay spring 7 and brace thereof in the foot-operated groove 63, and brace foot-operated 8 places spring 7 tops and exposes to outside the foot-operated groove 63; T type brace lower end 41 has positioning groove 9, and an end holding of brace foot-operated 8 is in the positioning groove 9 of T type brace, and T type brace 4 hypomeres are equipped with travel(l)ing rest 10; Carrier base 11 is installed on the wheels connecting rod 3, and T type brace 4 is installed on the carrier base 11 of wheels connecting rod with the axle manner through its travel(l)ing rest 10 bottoms, and carrier base 11 next doors of wheels connecting rod also are equipped with support foot-operated 12 and spring 13 thereof; Support foot-operated 12 and travel(l)ing rest 10 bottoms offset; So that ride 8 through trampling brace, foot-operated 8 one ends of brace that let holding go into positioning groove 9 leave, and make not constrained of T type brace lower end 41; At this moment; Ride 12 through trampling support again, the T type brace 4 past clockwise directions that make band travel(l)ing rest 10 are near wheels connecting rod 3, and it is folding that T type brace 4 is collected; Said handspike bottom 51 is installed in travel(l)ing rest 10 tops of T type brace with the axle movable connection method; Handspike lower end 51 is a telescoping, also plant is gone in the handspike positioning groove 1001 of travel(l)ing rest 10; So that through 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 type brace 4, realize that handspike 5 collections are folding.

The flexible operating-controlling mechanism 13 of handspike lower end is installed on the said handspike 5; It mainly is made up of sliding sleeve 131, tie rod 132 and interior cover 133; Sliding sleeve 131 is arranged on the shaft surface of handspike 5, and tie rod 132 places in the shaft with interior cover 133, and tie rod 132 1 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 interior cover 133.

Said handspike lower end 51 is a locating piece independently, and the end faces in the handspike positioning groove 1001 of planting on this locating piece are inclined-plane 511; The top of handspike lower end 51 is equipped with two fixed plates 134, and tie rod 132 lower ends are connected with two fixed plates 134.

Said T type brace lower end 41 is the piece of independently pegging graft, and positioning groove 9 is arranged on the front end of grafting piece,

5

The rear end of grafting piece passes travel(l)ing rest 10 and plant is gone on the shaft of T type brace 4.

Said travel(l)ing rest 10 comprises transverse part and vertical part; The shaft shape of the approximate T type brace 4 of transverse part also has axial trepanning; The axial trepanning of transverse part is passed in handspike lower end 51; Its vertical part comprises left and right

side journal stirrup

1002,1003 and rear side block 1004 thereof, and said left and right side journal stirrup 1002,1003 bottoms are protruded travel(l)ing rest 10 bottoms and offseted with support foot-operated 12, and the shaft of handspike 5 hypomeres is installed on the left and right side journal stirrup 1002,1003 through rotating shaft.

Said carrier base 11 is nested with the back segment at wheels connecting rod 3; Mount pad 11 extends journal stirrup seat 111 up; Journal stirrup seat 111 is that axle flexibly connects with the left and right side journal stirrup 1002,1003 of travel(l)ing rest; Also have mounting groove 112 on the carrier base 11, it is foot-operated 12 to be placed with spring 13 and support in the mounting groove 112, and support foot-operated 12 presses and put on spring 13, and protruding upward.

Principle of work: when folding; Ride 8 through trampling brace, foot-operated 8 one ends of brace that let holding go into positioning groove 9 leave, and make not constrained of T type brace lower end 41; At this moment; Ride 12 through trampling support again, the T type brace 4 past clockwise directions that make band travel(l)ing rest 10 are near wheels connecting rod 3, and it is folding that T type brace 4 is collected; Then,, 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, realize that handspike 5 collections are folding near T type brace 4 also through pull-up handspike lower end 51.When opening, only need open (drawing back) T type brace 4 and handspike, can realize opening operation.

Claims

1. full folding type hand barrow; Comprise preceding wheels (1), back wheels (2), wheels connecting rod (3), T type brace (4) and handspike (5), wheels connecting rod (3) front end is connected with preceding wheels (1), and hind axle (21) is installed on the back wheels (2); Hind axle (21) is provided with mount pad (6); Have connecting rod access slot (61) on the 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 said hind axle (21); T type brace lower end (41) grafting is gone in the brace access slot (62), lays spring (7) and brace foot-operated (8) thereof in the foot-operated groove (63), and brace foot-operated (8) places spring (7) top and exposes to outside the foot-operated groove (63); T type brace lower end (41) has positioning groove (9); One end holding of brace foot-operated (8) is in the positioning groove (9) of T type brace, and T type brace (4) hypomere is equipped with travel(l)ing rest (10), and carrier base (11) is installed on the wheels connecting rod (3); T type brace (4) is installed on the carrier base (11) of wheels connecting rod through its travel(l)ing rest (10) bottom with the axle manner; And the carrier base of wheels connecting rod (11) next door also is equipped with support foot-operated (12) and spring (13) thereof, and support foot-operated (12) offsets with travel(l)ing rest (10) bottom, so that through trampling brace foot-operated (8); Foot-operated (8) one ends of brace that let holding go into positioning groove (9) leave; Make not constrained of T type brace lower end (41), at this moment, again through trampling support foot-operated (12); The past clockwise direction of T type brace (4) that makes band travel(l)ing rest (10) is near wheels connecting rod (3), and it is folding that T type brace (4) is collected;

Said handspike bottom (51) is installed in travel(l)ing rest (10) top of T type brace with the axle movable connection method; Handspike lower end (51) is a telescoping, also plant is gone in the handspike positioning groove (1001) of travel(l)ing rest (10); So that through pull-up handspike lower end (51), make handspike lower end (51) leave activity

1

The handspike positioning groove (1001) of support applies clockwise direction power to handspike (5) again, makes handspike (5) near T type brace (4), realizes that handspike (5) collection is folding.

2. according to the said full folding type hand barrow of claim 1; It is characterized in that; The flexible operating-controlling mechanism (13) of handspike lower end is installed on the said handspike (5), and it mainly is made up of sliding sleeve (131), tie rod (132) and interior cover (133), and sliding sleeve (131) is arranged on the shaft surface of handspike (5); Tie rod (132) and interior cover (133) place in the shaft; Tie rod (132) one ends connect sliding sleeve (131), and the other end and handspike lower end (51) join, and the top quilt cover of handspike lower end (51) fixes in the trepanning of interior cover (133).

3. according to claim 1 or 2 said full folding type hand barrows, it is characterized in that said handspike lower end (51) is a locating piece independently, the end face in the handspike positioning groove (1001) of planting on this locating piece is inclined-plane (511).

4. according to claim 1 or 2 said full folding type hand barrows, it is characterized in that the top of said handspike lower end (51) is equipped with two fixed plates (134), tie rod (132) lower end is connected with two fixed plates (134).

5. according to claim 1 or 2 said full folding type hand barrows; It is characterized in that; Said T type brace lower end (41) is the piece of independently pegging graft, and positioning groove (9) is arranged on the front end of grafting piece, the rear end of grafting piece pass travel(l)ing rest (10) and the shaft of the T type brace (4) of planting on.

6. according to the said full folding type hand barrow of claim 1; It is characterized in that; Said travel(l)ing rest (10) comprises transverse part and vertical part; The shaft shape of the approximate T type brace (4) of transverse part also has axial trepanning, and the axial trepanning of transverse part is passed in handspike lower end (51), and its vertical part comprises left and right side journal stirrup (1002,1003) and rear side block (1004) thereof; Said left and right side journal stirrup (1002,1003) bottom protrusion travel(l)ing rest (10) bottom also offsets with support foot-operated (12), the shaft of handspike (5) hypomere through rotating shaft be installed in a left side,

2

On the right side journal stirrup (1002,1003).

7. according to the said full folding type hand barrow of claim 6; It is characterized in that; Said carrier base (11) is nested with the back segment in wheels connecting rod (3); Mount pad (11) extends journal stirrup seat (111) up, and journal stirrup seat 111 is that axle flexibly connects with the left and right side journal stirrup (1002,1003) of travel(l)ing rest, also has mounting groove (112) on the carrier base (11); Be placed with spring (13) and support foot-operated (12) in the mounting groove (112), support foot-operated (12) press put at spring (13) go up, and protruding upward.