CN201026906Y - Shrinkage handcar - Google Patents
Shrinkage handcar Download PDFInfo
- Publication number
- CN201026906Y CN201026906Y CNU2007201189497U CN200720118949U CN201026906Y CN 201026906 Y CN201026906 Y CN 201026906Y CN U2007201189497 U CNU2007201189497 U CN U2007201189497U CN 200720118949 U CN200720118949 U CN 200720118949U CN 201026906 Y CN201026906 Y CN 201026906Y
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- CN
- China
- Prior art keywords
- poppet
- pipe
- hinged
- hand barrow
- frame
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a foldable barrow, which comprises a front bracket, a rear bracket, a backrest bracket, a seat bracket, a push handle, a front wheel assembly, and a rear wheel assembly connected together via a pivoted base. Two support rods in Z shape are hinged at center thereof to form crossed-pipe bracket. The crossed-pipe bracket has two upper ends hinged at upper parts of the left and right front brackets, and two lower ends hinged at upper parts of the left and right rear brackets. The utility model has small volume after folded, and its front and rear wheels can stand side by side and be pushed to roll after folded.
Description
Technical field
The utility model relates to can fold hand barrow, be specifically related to a kind of fold the back front and back wheel can stand side by side and can continue to promote fold hand barrow.
Background technology
The known hand barrow that folds, can only realize simple closing function, when it folds, its front and back wheel can only outwards be opened, the vehicle body horizontal positioned perhaps can only be rested in corner etc. and locates after folding, can not keep standing state, more can not make hand barrow under kind of state, be continued to promote, give to store and move and make troubles.
The utility model content
The purpose of this utility model is, overcomes deficiency of the prior art, provides a kind of back front and back wheel that folds to stand side by side, and can continue the folded hand barrow that promotes.
The purpose of this utility model is achieved by following technical proposals: construct a kind of hand barrow that folds, comprise the front frame, after poppet, back rest and the seat frame that link together by pivot connecting seat, pushing hands, front component, wheel assembly, two poles that are " ㄣ " are the hinged formation cross pipe in heart place support therein, the top of two front frames about two upper ends of described cross pipe support are hinged on, the top of two after poppets about two lower ends of described cross pipe support are hinged on.
One end that has the hinge of several circular holes is hinged on one of them pole center one side, and correspondingly, an end that has the hinge of cylindrical protrusion is hinged on another the same side, pole center.
Described hinge is " ㄑ " shape, and described circular hole quantity is two, and one of them is located on the turning of hinge, and another is located at the tail end of hinge.
Described pivot connecting seat comprises after poppet attaching parts and the front frame coupling assembling that is articulated, and a backrest seat attaching parts is fixed in the inboard of described after poppet attaching parts.
Described after poppet attaching parts and after poppet pipe coupling end have a step body, on the small end insertion after poppet pipe of described step body and by the screw retention on its sidewall, the other end of described after poppet attaching parts is provided with cylindrical cavity, two wall centers of described cylindrical cavity are provided with axis hole, and wherein the outside of madial wall is provided with some tenons.
The inner support frame that described front frame coupling assembling comprises pivot connecting seat attaching parts, front frame sleeve pipe, pivot connecting seat attaching parts and front frame sleeve pipe are linked together, one end of described pivot connecting seat attaching parts has can be placed in described cylindrical cavity cylinder-shaped end, the center of described cylinder-shaped end is provided with axis hole, the opposite side of described pivot connecting seat attaching parts has a skewed slot along the front frame direction, inner support frame is fixed in the skewed slot, the front frame casing pipe sleeve on front support pipe, its madial wall by screw retention on inner support frame.
Backrest seat attaching parts comprises back rest connecting portion and seat frame connecting portion, and its outside is provided with the hole that several cooperate tenon.
On the described front frame and comprise successively down and be inserted in the front support pipe in the front frame sleeve pipe with pushing hands bonded assembly pushing hands height adjuster, centre portion, the lower end of hinged two front frame contraction poles that are " X " shape respectively by " L " shape adaptor union with about two front frames hinged, the upper end of support contraction pole is connected with the seat frame is inboard respectively.
Described pushing hands height adjuster comprises that an end is connected with pushing hands, the slide bar that is the step body plunger and is inserted into support tube is installed in the other end, slide bar is provided with several height adjustment holes, one tubulose body cradle is enclosed within slide bar and front support pipe junction and is fixed on by the screw outside it on screw in the front support pipe outside, the tubulose body cradle outside is hinged with the stop button, and the stop head of stop button enters in the height adjustment hole on the slide bar.
Described after poppet comprises after poppet pipe and two horizontal folding bars, and the outer end of described two horizontal folding bars is connected with the after poppet pipe by " U " adaptor union, and two the inners of described horizontal folding bar are hinged on the deck.
Inboard, described two front support pipe lower ends is provided with stretcher.
In described front frame, the cross connection of after poppet bottom two steel ropes are arranged.
Described front component comprises and comprises front wheel carrier connecting element, front wheel carrier, front-wheel from top to bottom successively, also comprises the shock absorption device that is located in the front wheel carrier connecting element.
Described wheel assembly comprises with after poppet pipe bonded assembly rear wheel frame connecting element, rear wheel frame from top to bottom successively, is connected two trailing wheels of both sides, described rear wheel frame bottom, also comprise brake gear, described brake gear comprises the brake key in the cavity that is hinged on the rear wheel frame lower central, and the brake key connects the brake iron plate.
Described wheel assembly is two, described two brake iron plates are hinged, one of them iron plate respectively is provided with a projection in both sides up and down, and another iron plate respectively is provided with a breach in the relevant position, both sides up and down, and two brake iron plates are engaged by described breach and projection.
The utlity model has following advantage: because the front frame of hand barrow is connected by pivot connecting seat with after poppet, and is provided with the cross pipe support behind at hand barrow, hand barrow can keep standing state after folding, and can continue to promote; Pushing hands is connected with front frame by the pushing hands height adjuster, can regulate the pushing hands height to adapt to different users's needs, and hand barrow also is provided with brake gear and antivibration device in addition.
Description of drawings
Fig. 1 is that the utility model can fold the block diagram that the hand barrow forward right side is observed;
Fig. 2 is that the utility model can fold the block diagram that the hand barrow left rear side is observed;
Fig. 3 is the STRUCTURE DECOMPOSITION figure that the utility model can fold the hand barrow pivot connecting seat;
Fig. 4 is the STRUCTURE DECOMPOSITION figure that the utility model can fold hand barrow pushing hands height adjuster;
Fig. 5 is the STRUCTURE DECOMPOSITION figure that the utility model can fold the hand barrow front component;
Fig. 6 is the STRUCTURE DECOMPOSITION figure that the utility model can fold the hand barrow wheel assembly
The specific embodiment
Can fold hand barrow below in conjunction with accompanying drawing and the specific embodiment to the utility model describes in further detail:
As Fig. 1, shown in Figure 2, the utility model can fold hand barrow and comprise the front frame 1 that links together by pivot connecting seat 4, after poppet 2, back rest 5 and seat frame 6, pushing hands 7, front component 9, wheel assembly 8, two poles 30 that are " ㄣ " are the hinged formation cross pipe in heart place support 3 therein, the top of two front frames 1 about two upper ends of described cross pipe support 3 are hinged on, the top of two after poppets 2 about two lower ends of described cross pipe support 3 are hinged on, whole like this hand barrow forms four-bar mechanism, hand barrow can keep standing state after folding, and can continue to promote.
One has the end that two circular holes 32 are the hinge 31 of " ㄑ " shape is hinged on one of them pole 30 centers one side, correspondingly, one end that has the hinge 33 of cylindrical protrusion is hinged on another the same side, pole 30 center, both fastenings can strengthen the firmness of whole cross pipe support 3, if hand barrow in the time of need folding separates both.
As Fig. 1, Fig. 3, front frame 1 is connected by pivot connecting seat 4 with after poppet 2, and described pivot connecting seat 4 comprises the inboard that the after poppet attaching parts 40 that is articulated and front frame coupling assembling 41, one backrest seat attaching partss 42 are fixed in described after poppet attaching parts 40.After poppet attaching parts 40 has a step body 400 with coupling end, the small end of step body 400 inserts after poppet pipe 24 upper ends and by the screw retention on its sidewall, the other end of after poppet attaching parts 40 is provided with cylindrical cavity 401, two wall centers of described cylindrical cavity 401 are provided with axis hole, and wherein the outside of madial wall 402 is provided with some tenons 403.Front frame coupling assembling 41 comprises pivot connecting seat attaching parts 43, inner support frame 44, one end of pivot connecting seat attaching parts 43 has can be placed in described cylindrical cavity 401 cylinder-shaped ends 410, the center of cylinder-shaped end 410 is provided with axis hole, the opposite side of described pivot connecting seat attaching parts 43 has a skewed slot 430 along front frame 1 direction, inner support frame 44 is fixed in the skewed slot 430, front support pipe 14 by screw retention on inner support frame 44.Backrest seat attaching parts 42 comprises by the back of the body frame connecting portion 420 of fixing back rest 5 and the fixing seat frame connecting portion 421 of seat frame 6, its outside is provided with the hole (not shown) that several cooperate tenons 403, and backrest seat attaching parts 42 and after poppet attaching parts 40 are connected with screw by its centre hole by narrating hole and tenon.Backrest height adjusting knob 51 is fixed on the backrest seat attaching parts 42 by hinge 52, back rest 5 has a cap portion 53, described cap portion 53 can slide in elongated slot 54, be provided with spring 55 in the breach of backrest height adjusting knob 51 bottoms, press backrest height adjusting knob 51, and 5 pairs of back rests can make back rest 5 layback, and hand barrow can couch for the user.
As Fig. 1, Fig. 2, Fig. 4, front frame 1 from top to bottom comprises and pushing hands 7 bonded assembly pushing hands height adjusters 13 successively, with bonded assembly front support pipe 14 in the inner support frame 44, the lower end of hinged two front frame contraction poles 17 that are " X " shape respectively by " L " shape adaptor union 11 with about two front frames 1 hinged, the upper end of support contraction pole 17 is connected with seat frame 6 inboards respectively, pushing hands height adjuster 13 comprises that an end is connected with pushing hands 7, the slide bar 131 that is step body plunger 136 and is inserted into front support pipe 14 is installed in the other end, slide bar 131 is provided with several height adjustment holes 132, one tubulose body cradle 133 is enclosed within slide bar 131 and is fixed on the screw 15 in front support pipe 14 outsides with front support pipe 14 junctions and by the screw 134 outside it, tubulose body cradle 13 outsides are hinged with stop button 135, the stop head of stop button 135 enters in the height adjustment hole 132 on the slide bar 131, press stop button 135 and to pushing hands 7 applied thrusts or pulling force, can realize adjusting, to adapt to the different users that require to pushing hands 7 height.Inboard, two front support pipe 14 lower ends is provided with stretcher 151, and screw retention is passed through at the two ends of stretcher 151.
As Fig. 2, described after poppet 2 comprises after poppet pipe 24 and two horizontal folding bars 26, and the outer end of described two horizontal folding bars 26 is by " U " adaptor union 21, and two the inners of described horizontal folding bar 26 are hinged on the deck 22.In described front frame 1, after poppet 2 bottom cross connections two steel ropes 152 are arranged, to strengthen the fastness of whole vehicle body.
As Fig. 1, Fig. 5, described front component 9 comprises front wheel carrier connecting element 90 from top to bottom successively, front wheel carrier 91, front-wheel 93, also comprise the shock absorption device 92 that is located in the front wheel carrier connecting element 90, institute's shock absorption device 92 comprise with two levels of moving axis 95 neck bonded assemblys to spring 920 and one by vertical bar 921 support vertically to spring 922, described level is limited to moving axis 95 necks to spring 920 by a hook portion 923, and be fixed on by cross female cap 902 in the cavity 901 of front wheel carrier connecting element 90 inboards, describedly vertically be provided with square hole to vertical bar 921 sides of spring 922, one square lid 903 is provided with the projection of square hole by the described vertical bar of the cooperation of its inboard 921 sides, is fixed in the cavity 904 of front wheel carrier connecting element 90 inboards.Moving axis 95 lower ends have a cap portion, and be connected with wheel carrier 91 with first location structure 94, second location structure 95, the 3rd location structure 96 by this cap portion successively, because in the front component of the left and right sides, all have antivibration device, strengthened the smoothness of whole hand barrow operation greatly.
As Fig. 2, Fig. 6, described wheel assembly 8 comprises with after poppet pipe 24 bonded assembly rear wheel frame connecting elements 80, rear wheel frame 81 from top to bottom successively, is attached at two trailing wheels 83 of both sides, described rear wheel frame 81 bottom connecting portion 810, and brake gear 82, described brake gear 82 comprises the brake key 84 of 85 li of cavitys that are hinged on rear wheel frame 81 lower central, and brake key 84 connects brake iron plates 86 by the breach on its madial wall 840; Equally, the opposite side of hand barrow also is arranged with a wheel assembly 8, two brake iron plates 86 are hinged by the hole 860 near its end, one of them iron plate respectively is provided with a projection 87 in both sides about in the of 86, and respectively to be provided with 88, two of breach brake iron plate 86 engaged by described breach 88 and projection 87 relevant position, both sides about in the of 86 for another iron plate, when pressing brake key 84, brake iron plate 86 moves down, and pushes down two trailing wheels 83, realizes braking.
Claims (10)
1. one kind can fold hand barrow, comprise the front frame (1), after poppet (2), back rest (5) and the seat frame (6) that link together by pivot connecting seat (4), pushing hands (7), front component (9), wheel assembly (8), it is characterized in that, two poles (30) that are " ㄣ " are the hinged formation cross pipe in heart place support (3) therein, the top of two front frames (1) about two upper ends of described cross pipe support (3) are hinged on, the top of two after poppets (2) about two lower ends of described cross pipe support (3) are hinged on.
2. the hand barrow that folds according to claim 1, it is characterized in that, one end that has the hinge (31) of several circular holes (32) is hinged on one of them pole (30) center one side, correspondingly, an end that has the hinge (33) of cylindrical protrusion is hinged on another pole (30) the same side, center.
3. the hand barrow that folds according to claim 2 is characterized in that described hinge (31) is " ㄑ " shape, and described circular hole (32) quantity is two, and one of them is located on the turning of hinge (31), and another is located at the tail end of hinge (31).
4. the hand barrow that folds according to claim 1, it is characterized in that, described pivot connecting seat (4) comprises after poppet attaching parts (40) and the front frame coupling assembling (41) that is articulated, and a backrest seat attaching parts (42) is fixed in the inboard of described after poppet attaching parts (40).
5. the hand barrow that folds according to claim 4, it is characterized in that, described after poppet attaching parts (40) has a step body (400) with after poppet pipe (24) coupling end, on the small end insertion after poppet pipe (24) of described step body and by the screw retention on its sidewall, the other end of described after poppet attaching parts (40) is provided with cylindrical cavity (401), two wall centers of described cylindrical cavity (401) are provided with axis hole, and wherein the outside of madial wall (402) is provided with some tenons (403).
6. the hand barrow that folds according to claim 4, it is characterized in that, described front frame coupling assembling (41) comprises pivot connecting seat attaching parts (43), inner support frame (44), one end of described pivot connecting seat attaching parts (43) has can be placed in described cylindrical cavity (401) cylinder-shaped end (410), the center of described cylinder-shaped end (410) is provided with axis hole (411), inner support frame (45) is fixed in the skewed slot (430), front support pipe (14) by screw retention on inner support frame (45).
7. the hand barrow that folds according to claim 4 is characterized in that, backrest seat attaching parts (42) comprises back rest connecting portion (420) and seat frame connecting portion (421), and its outside is provided with the hole that several cooperate tenon (403).
8. the hand barrow that folds according to claim 1, it is characterized in that, described front frame (1) from top to bottom comprises successively and pushing hands (7) bonded assembly pushing hands height adjuster (13), centre portion are inserted in the interior front support pipe (14) of front frame sleeve pipe (44), the lower end of hinged two the front frame contraction poles (17) that are " X " shape respectively by " L " shape adaptor union (11) with about two front frames (1) hinged, the upper end of support contraction pole (17) is connected with seat frame (6) is inboard respectively.
9. the hand barrow that folds according to claim 8, it is characterized in that, described pushing hands height adjuster (13) comprises that an end is connected with pushing hands (7), the slide bar (131) that is step body plunger (136) and is inserted into front support pipe (14) is installed in the other end, slide bar (131) is provided with several height adjustment holes (132), one tubulose body cradle (133) is enclosed within slide bar (131) and front support pipe (14) junction and is fixed on the screw 15 in front support pipe (14) outside by the screw (134) in its outside) on, tubulose body cradle (133) outside is hinged with stop button (135), and the stop head of stop button (135) enters in the height adjustment hole (132) on the slide bar (131).
10. the hand barrow that folds according to claim 1, it is characterized in that, described after poppet (2) comprises after poppet pipe (24) and two horizontal folding bars (26), the outer end of described two horizontal folding bars (26) is connected with after poppet pipe (24) by " U " shape adaptor union (21), and two the inners of described horizontal folding bar (26) are hinged on the deck (22); Described two front support pipes (14) inboard, lower end is provided with stretcher (151); Be connected with two intersection steel ropes (152) in described front frame (1), after poppet (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201189497U CN201026906Y (en) | 2007-03-14 | 2007-03-14 | Shrinkage handcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201189497U CN201026906Y (en) | 2007-03-14 | 2007-03-14 | Shrinkage handcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201026906Y true CN201026906Y (en) | 2008-02-27 |
Family
ID=39131108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201189497U Expired - Fee Related CN201026906Y (en) | 2007-03-14 | 2007-03-14 | Shrinkage handcar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201026906Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638104A (en) * | 2008-07-02 | 2010-02-03 | 马克西米利安公司 | Collapsible support frame |
-
2007
- 2007-03-14 CN CNU2007201189497U patent/CN201026906Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638104A (en) * | 2008-07-02 | 2010-02-03 | 马克西米利安公司 | Collapsible support frame |
| CN101638104B (en) * | 2008-07-02 | 2013-02-06 | 马克西米利安公司 | Collapsible support frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20100314 |