CN102689644A - Foldable handcart - Google Patents
Foldable handcart Download PDFInfo
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- CN102689644A CN102689644A CN201110068149XA CN201110068149A CN102689644A CN 102689644 A CN102689644 A CN 102689644A CN 201110068149X A CN201110068149X A CN 201110068149XA CN 201110068149 A CN201110068149 A CN 201110068149A CN 102689644 A CN102689644 A CN 102689644A
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Abstract
The invention discloses a foldable handcart, which comprises an armrest, wherein the armrest is in pivoted connection with the handcart, and is driven to be folded or unfolded pivotally via a linking part when the handcart is folded and unfolded. When the handcart is folded and unfolded, the linking part drives the armrest to be unfolded and folded automatically along with it and the folding or unfolding process requires no manual labor, so that the handcart is simple in operation and convenient in use, the effective folding and unfolding processes of the handcart with smoothness are realized, and the space occupied during the folding and unfolding processes of the handcart small.
Description
Technical field
The present invention relates to a kind of go-cart, relate in particular to a kind of go-cart that handrail can fold automatically or open synchronously when folding or opening with handrail.
Background technology
The carriage for children go-cart is little because of volume, and is easy to use, and can reduce greatly to be grown up and carry burden that the baby goes out and very popular, thereby it uses also more and more widely.Along with being widely used of carriage for children go-cart, people are also increasingly high to the functional requirement of carriage for children go-cart, hope that not only the carriage for children go-cart can make baby's safety and comfort in taking process, and the adult also makes things convenient for going of control carriage for children go-cart simultaneously; And people hope that also thereby the carriage for children go-cart has the storage basket of depositing article and in use brings convenience for the adult; For example can relevant articles for babies be placed in this storage basket when going out carrying the baby; Feasible adult can be at any time takes out articles for babies in the storage basket easily the baby is looked after; The adult carries baby's shopping of going out to go window-shopping and can purchase be placed in this storage basket simultaneously, thereby alleviates the burden of being grown up and going out shopping greatly.
General main vehicle frame, some wheels and the seat of comprising of now common carriage for children go-cart; Said wheel rotatably is articulated in the lower end of said vehicle frame; With the said carriage for children go-cart walking of convenient promotion, chair mounted is taken for the baby on said vehicle frame, and the carriage for children go-cart that has also is provided with storage basket below vehicle frame; For the user some relative articles of carrying are placed in the said storage basket, to alleviate the stroke burden; And existing carriage for children go-cart much all is designed to folding structure, is convenient carrying and taking in, however existing carriage for children go-cart; What be used for that the vehicle frame of supporting chair can not be in full force and effect when folding folds, and takes in inconvenience when carrying, and perhaps body frame structure for automotive is complicated; In the process that folds or launch, need the manpower pulling; Can not fold automatically or launch, use inconvenience, cause when folding easily to have some setbacks.
Therefore, provide a kind of simple in structure, can fold automatically or open vehicle frame with convenient use go-cart overcome the deficiency of prior art.
Summary of the invention
The object of the present invention is to provide a kind of go-cart with handrail, its handrail in the process of taking down the exhibits can fold thereupon or open automatically.
For realizing above-mentioned purpose; Technical scheme of the present invention is: a kind of go-cart of taking down the exhibits is provided, and it has a handrail, and said handrail is articulated in the said go-cart; And through a moving part when start is taken down the exhibits in said go-cart, and pivot and fold and open with driving said handrail.
Preferably, said go-cart also comprises a bindiny mechanism, and said handrail is articulated in the said go-cart through said bindiny mechanism; One end of said moving part is connected with said handrail, and the other end of said moving part is connected with said bindiny mechanism, drives said handrail through said moving part when said go-cart is taken down the exhibits and pivots; Realize folding or opening of said handrail, and said handrail is when opening, said moving part is in tension; To prevent to fall under the said handrail; When said driver folded, said moving part was in relaxation state, so that said handrail folds with said driver automatically.
Preferably; Said bindiny mechanism comprises forward foot in a step attaching parts, driver's attaching parts, driver's moving part and handrail permanent seat; Articulate between said forward foot in a step attaching parts and the said driver's attaching parts, the back side of said driver's attaching parts is fixed in the rear end of said driver's moving part, and the front end activity of said driver's moving part contacts at the back side of said forward foot in a step attaching parts; Said handrail permanent seat is articulated in the side of said forward foot in a step attaching parts; And the upper end of said handrail permanent seat is connected with said handrail, captives joint with an end of said moving part in the lower end of said handrail permanent seat, and the other end of said moving part is captiveed joint with the front end of said driver's moving part.
Preferably, said forward foot in a step attaching parts, said driver's attaching parts and said handrail permanent seat are articulated on the same pivotal axis.
Preferably, said go-cart also comprises the shock absorbing apparatus connecting element, and the lower ending pivot of said shock absorbing apparatus connecting element is connected in the said go-cart, and the upper end of said shock absorbing apparatus connecting element is fixedly connected on the front end of said driver's moving part, and captives joint with said moving part.
Preferably, have the articulated section on the said forward foot in a step attaching parts, offer arc groove on the said articulated section, said arc groove forms pivot region, and said handrail permanent seat is articulated in the side of said forward foot in a step attaching parts and in said pivot region, rotates.
Preferably, said moving part also is arranged with protecting sleeve outward, and more specifically, said protecting sleeve is soft spring or polyvinylchloride cover, and protecting sleeve shields to moving part.
Preferably, said moving part is a steel wire.
Preferably, said bindiny mechanism also comprises the handrail deck, and said handrail removably is connected with said handrail permanent seat through said handrail deck.
Preferably; The two ends of said handrail are stretched into the upper end of said handrail deck respectively and are captiveed joint with said handrail deck, the lower end of said handrail deck and the removably clamping of said handrail permanent seat, more specifically; Said handrail deck is provided with elastic button; Offer on the said handrail permanent seat and the corresponding connecting hole of said elastic button, said elastic button and said connecting hole fasten, and push elastic button and make it withdraw from the connecting hole on the handrail permanent seat; Can handrail be disassembled, easy and simple to handle.
Preferably; Said handrail permanent seat is hollow structure, and the open top of said handrail permanent seat, and said connecting hole is opened in the said handrail permanent seat outside; Said handrail deck stretches in the said handrail permanent seat, and said elastic button is sticked in the said connecting hole and protrudes out said connecting hole.
Preferably, said elastic button comprises button and spring, and said button is sticked on the said handrail and stretches out said handrail deck, and said spring is being placed in the said button of compression shape.
Preferably, the inwall of said handrail permanent seat is provided with the fin that is step-like, and said handrail deck is provided with and the corresponding holding section of said fin, and more specifically, the bottom of said handrail permanent seat also offers sand losing opening.
Preferably, offer draw-in groove on the said handrail permanent seat, offer said connecting hole on the inwall of said draw-in groove; Said elastic button comprises button and spring, and said button has press section and engagement section, forms between said press section and the said engagement section to engage the district; Said handrail deck is sticked in the said engaging district; And said press section and said engagement section all protrude out said handrail deck, and said spring is being placed in the said button of compression shape, and said handrail deck is sticked in the draw-in groove of said handrail permanent seat; The engagement section of said button and said connecting hole fasten; The press section of pressing button makes the engagement section withdraw from the connecting hole on the draw-in groove inside, and then can handrail be pulled down fast, operates easier.
Preferably, said go-cart also comprises a seat, and said seat is connected in the said go-cart.
Preferably, the front end symmetry of said seat offers two engagement grooves, and two said engagement grooves all engage with said handrail; And then said seat is movably connected in the said go-cart; More specifically, also be provided with snap-in structure between the two said engagement grooves, said snap-in structure is connected with said handrail engaging.
Compared with prior art, because the handrail that go-cart had that can take down the exhibits of the present invention, it is articulated in the said go-cart, and through a moving part when start is taken down the exhibits in said go-cart, and pivot and fold and open with driving said handrail; In the go-cart opening procedure, follow it automatically through moving part drive handrail and open together, when go-cart folds; Handrail folds automatically thereupon together, need not the manpower pulling in the process that folds or launch, and makes easy and simple to handle; Easy to use, and simple in structure, can not cause having some setbacks when folding; And can realize effectively folding of go-cart, when being folded, go-cart occupies less space.
Description of drawings
Fig. 1 is the structural representation of the go-cart that can take down the exhibits of the present invention.
Fig. 2 is the structural representation that first embodiment of the go-cart that can take down the exhibits of the present invention removes seat.
Fig. 3 is the enlarged diagram of bindiny mechanism among Fig. 2.
Fig. 4 is the decomposing schematic representation of bindiny mechanism among Fig. 2.
Fig. 5 is the generalized section of bindiny mechanism among Fig. 2.
Fig. 6 is the state of kinematic motion scheme drawing of bindiny mechanism among Fig. 2.
Fig. 7 is the structural representation that second embodiment of the go-cart that can take down the exhibits of the present invention removes seat.
Fig. 8 is the enlarged diagram of bindiny mechanism among Fig. 7.
Fig. 9 is the generalized section of bindiny mechanism among Fig. 8.
Figure 10 is the decomposing schematic representation of bindiny mechanism among Fig. 8.
Figure 11 is the structural representation of bindiny mechanism's lock-out state among Fig. 8.
Figure 12 is the structural representation of bindiny mechanism's release the lock state among Fig. 8.
Figure 13 is the structural representation that the 3rd embodiment of the go-cart that can take down the exhibits of the present invention removes seat.
Figure 14 is the enlarged diagram of bindiny mechanism among Figure 13.
Figure 15 is the decomposing schematic representation of bindiny mechanism among Figure 14
Figure 16 is the structural representation of bindiny mechanism's lock-out state among Figure 14.
Figure 17 is the structural representation of bindiny mechanism's release the lock state among Figure 14.
The specific embodiment
For technical scheme of the present invention is explained in more detail, with reference now to accompanying drawing embodiments of the invention are described, the similar elements label is represented similar elements in the accompanying drawing.
As shown in Figure 1, the go-cart that the present invention can take down the exhibits comprises wheel 10, vehicle frame and seat 90, and said wheel 10 is installed on the lower end of said vehicle frame; Said seat 90 is connected in the upper end of said vehicle frame, and is concrete, and said vehicle frame comprises base 20, the forward foot in a step 30, driver 50 and handrail 60; The lower end of the forward foot in a step 30 is connected on the base 20, and the upper end of the said forward foot in a step 30 articulates with said driver's 50 lower end through bindiny mechanism 40, and driver 50 can be rotated around pivotal axis; Said handrail 60 is articulated in the bindiny mechanism 40, and is connected through a moving part 70 between handrail 60 and the bindiny mechanism 40, therefore; When start is taken down the exhibits in go-cart; Fold and open through moving part 70 and with driving handrail 60 pivots, seat 90 is connected on said driver's 50 the upper end and said handrail 60, and the front end symmetry of seat 90 offers two engagement groove 910a, 910b; Two engagement groove 910a, 910b engage with said handrail 60; And then said seat 90 is movably connected on the said vehicle frame, between two engagement groove 910a, 910b, also being provided with snap-in structure 910c, snap-in structure 910c is sticked in the middle part of said handrail 60.
Like Fig. 2-shown in Figure 5, it is protruding 510 on driver 50, also to be provided with engaging, and protruding 510 correspondences of said engaging are sticked in the both sides of seat 90; And in first embodiment of go-cart of the present invention; Its bindiny mechanism 40 comprises forward foot in a step attaching parts 410, driver's attaching parts 420, driver's moving part 430 and handrail permanent seat 440; Captive joint with the upper end of the said forward foot in a step 30 in the rear end of said forward foot in a step attaching parts 410, the front end of said forward foot in a step attaching parts 410 is provided with articulated section 411, offers arc groove 412 on the said articulated section 411; Said arc groove 412 forms pivot region, and the two-end-point D1 of arc groove 412, D2 carry out spacing to handrail 60; Said driver's attaching parts 420 is captiveed joint with said driver's 50 lower end; And the front end of driver's attaching parts 420 also just has articulated section 421; Driver's attaching parts 420 is articulated in the inboard of the articulated section 411 of forward foot in a step attaching parts 410 through the articulated section on it 421, and driver 50 can be rotated around pivotal axis; The binding that the back side of the back segment of driver's moving part 430 and said driver's attaching parts 420 is one of the forming; The front end of driver's moving part 430 has the contact part 431 of arc; When ride was opened, the contact part 431 of said driver's moving part 430 contacted on the surface of said forward foot in a step attaching parts 410; Said handrail permanent seat 440 is articulated in the outside of the articulated section 411 of forward foot in a step attaching parts 410, and rotates in the pivot region on articulated section 411, and forward foot in a step attaching parts 410, driver's attaching parts 420 and handrail permanent seat 440 are articulated on the same pivotal axis; Captiveing joint with said handrail 60 in the upper end of said handrail permanent seat 440, captives joint with an end of moving part 70 in the lower end of said handrail permanent seat 440, and the other end of said moving part 70 is fixedly connected on the front end of driver's moving part 430; On vehicle frame, also be provided with shock absorbing apparatus connecting element 80; The lower end of said shock absorbing apparatus connecting element 80 and said base 20 articulate; The upper end of said shock absorbing apparatus connecting element 80 is fixedly connected on the front end of said driver's moving part 430, and captives joint with said moving part 70; When handrail 60 was opened, said moving part 70 was in tension, fell down to prevent said handrail 60, when said driver 60 folds, made moving part 70 be in relaxation state, and therefore, handrail 60 can folding and fold automatically with said go-cart.
The better one, said moving part 70 is preferably steel wire, is not limited to steel wire certainly; Can also be similar other materials; For protecting said moving part 70, outside moving part 70, also be arranged with protecting sleeve, said protecting sleeve is preferably soft spring or polyvinylchloride cover; Be appreciated that ground, protecting sleeve can also be other similar materials.
In conjunction with Fig. 1-Fig. 6, the handrail 60 of the go-cart that can take down the exhibits to the present invention open and the process of folding describes.When go-cart is opened; The driver 50 and the forward foot in a step 30 are located along the same line, and the contact part 431 of driver's moving part 430 contacts on the forward foot in a step attaching parts 410, and moving part 70 is in tension; Shown in the AB line; Moving part 70 is held the lower end of handrail permanent seat 440, and handrail permanent seat 440 contacts at the D1 point of pivot region end, and then prevents that handrail 60 from falling down; When folding go-cart, driver's 50 rotations make driver's moving part 430 rotate thereupon, and the contact part 431 of driver's moving part 430 front ends no longer contacts at forward foot in a step attaching parts 410; The rotation of driver's moving part 430 makes the change in location of attachment point of the moving part 70 be positioned at its front end, at this moment; Moving part 70 turns to the position shown in the C point with the attachment point of shock absorbing apparatus connecting element 80; Moving part 70 is positioned at the position shown in the BC line, and therefore, moving part 70 is in relaxation state; Handrail 60 can rotate around pivotal axis; Handrail permanent seat 440 pivot region by figure in the direction shown in the arrow rotate, therefore can make handrail 60 with the folding and fold automatically of go-cart, contact at until handrail permanent seat 440 till the D2 point of pivot region end.
Shown in Fig. 7-10; Second embodiment of the go-cart that the present invention can take down the exhibits and the difference of the foregoing description only are the design of bindiny mechanism 40; Said bindiny mechanism 40 also comprises a handrail deck 460; Said handrail 60 removably is connected with said handrail permanent seat 440 through said handrail deck 460, to realize the dismounting of handrail 60; Particularly, the upper end and the captive joint with it of handrail deck 460 all stretched at the two ends of handrail 60, and said handrail deck 460 is connected on the handrail permanent seat 440 on the vehicle frame; Said handrail deck 460 is provided with elastic button, is used for being connected with 440 engagings of handrail permanent seat; Said elastic button comprises button 461 and spring 462; The rear end of button 461 outwards is bent to form engagement section 461a; Button 461 is stuck on the handrail 60 through the engagement section 461a on it; The front end of button 461 protrudes out corresponding with it connecting hole 463 on the handrail deck 460, and spring 462 is being placed in the button 461 of compression shape; In this embodiment; Handrail permanent seat 440 is hollow structure; And the open top of said handrail permanent seat 440, said handrail permanent seat 440 outsides offer and said button 461 corresponding connecting holes 441, and the lower end of said handrail deck 460 is stretched in the said handrail permanent seat 440; Said elastic button 461 is sticked in the connecting hole 441 on the handrail permanent seat 440 and protrudes out said connecting hole 441, realizes both clampings; On the inwall of handrail permanent seat 440, also be provided with the fin 442 that is step-like; Said handrail deck 460 is provided with and said fin 442 corresponding holding sections 464; Make both assemble compacter that the back cooperates, the fin 442 in the handrail permanent seat 440 can only design in the one of which side, also can all design both sides; This is well known to those skilled in the art, and the bottom of handrail permanent seat 440 also offers sand losing opening 443.
In conjunction with Figure 11, Figure 12, the dismounting of the handrail 60 of the go-cart that can take down the exhibits to present embodiment and principle is installed describes.When needing to remove handrail 60; Button 461 is applied the power shown in the direction of arrow among Figure 11, spring 462 is compressed, and then make button 461 withdraw from the connecting hole 441 on the handrail permanent seat 440; Again handrail deck 460 is withdrawed from handrail permanent seat 440, handrail 60 is disassembled; When needing handrail 60 is installed, pressing button 461 makes spring 462 be compressed, and handrail deck 460 is stretched in the handrail permanent seat 440 again; In connecting hole 441 corresponding positions, button 461 loses the effect of power, and spring 462 is resetted; And then make button 461 protrude out connecting hole 441 and be sticked in connecting hole 441; Realize the installation of handrail 60, easy and simple to handle, and bindiny mechanism is simple in structure.
Shown in Figure 13-14, the different designs that also only are bindiny mechanism 40 of the 3rd embodiment of the go-cart that the present invention can take down the exhibits and the foregoing description, the bindiny mechanism 40 of present embodiment also comprises a handrail deck 460; But its structure is different with the foregoing description, and handrail deck 460 is captiveed joint with handrail 60, and on handrail deck 460, also is provided with elastic button; Particularly, offer draw-in groove 441 on the handrail permanent seat 440, offer connecting hole 442 on the inwall of said draw-in groove 441; Be used for being connected with said elastic button engaging, said elastic button comprises button 461, spring 462 and bonnet 463, has press section 461a and engagement section 461b on the button 461; Form between said press section 461a and the said engagement section 461b engage and distinguish 461c; Offer on the said handrail deck 460 and said press section 461a and the corresponding connecting hole 464a of engagement section 461b, 464b, button 461 is sticked on the handrail deck 460, and press section 461a and engagement section 461b stretch out connecting hole 464a, 464b respectively; Handrail deck 460 is sticked in the said engaging district 461c; Bonnet 463 is installed on the rear end of button 461, and spring 462 is compression being arranged between button 461 and the bonnet 463 of shape, and said handrail deck 460 is sticked in the draw-in groove 441 on the handrail permanent seat 440; The engagement section 461b and the said connecting hole 442 of said button 461 fasten; The press section 461a of pressing button 461 makes its engagement section 461b withdraw from the connecting hole 442 on the draw-in groove 441, and then can handrail 60 be pulled down fast, operates easier.
In conjunction with Figure 16, Figure 17, to the dismounting of handrail in the present embodiment 60 and principle is installed describes.When needing to remove handrail 60; Press the press section 461a of pressing button shown in the direction of arrow 461 among Figure 16, spring 462 is compressed, and then make engagement section 461b withdraw from the connecting hole 442 on the handrail permanent seat 440; Can handrail deck 460 be withdrawed from handrail permanent seat 440, and then handrail 60 is disassembled; When needing handrail 60 is installed, pin press section 461a and make spring 462 be compressed, again handrail deck 460 is stretched in the groove 441 on the handrail permanent seat 440; The rear spring 462 of letting go resets; And then make the engagement section 461b protrusion of button 461 and snap in the connecting hole 442, realize the installation of handrail 60, the dismounting of handrail 60 and install more quick; Operate easylier, and bindiny mechanism is simple in structure.
Because the handrail that go-cart had 60 that can take down the exhibits of the present invention, it is articulated in the said go-cart, and is connected through a moving part 70 between handrail 60 and the go-cart, therefore; When start is taken down the exhibits in go-cart, fold and open, promptly in the go-cart opening procedure, follow it automatically through moving part 70 drive handrails 60 and open together through moving part 70 and with driving said handrail 60 pivots; When go-cart folded, handrail 60 folded automatically thereupon together, need not the manpower pulling in the process that folds or launch; Make easy and simple to handle, easy to use, and simple in structure; Can not cause having some setbacks when folding, and can realize effectively folding of go-cart, occupy less space when go-cart is folded.
The connection mode of handrail of the present invention and the principle of taking down the exhibits are not limited in the go-cart that can take down the exhibits, use, and also can be used for other similar structures according to actual conditions, and this is a technology well known to those of ordinary skill in the art.
The above disclosed the preferred embodiments of the present invention that are merely can not limit the present invention's interest field certainly with this, so according to the equivalent variations that claim of the present invention is done, still belong to the scope that the present invention is contained.
Claims (20)
1. the go-cart that can take down the exhibits has a handrail, it is characterized in that: said handrail is articulated in the said go-cart, and through a moving part when start is taken down the exhibits in said go-cart, and pivot and fold and open with driving said handrail.
2. go-cart of taking down the exhibits as claimed in claim 1; It is characterized in that: also comprise a bindiny mechanism; Said handrail is articulated in the said go-cart through said bindiny mechanism, and an end of said moving part is connected with said handrail, and the other end of said moving part is connected with said bindiny mechanism; Drive said handrail through said moving part when said go-cart is taken down the exhibits and pivot, realize folding or opening of said handrail.
3. go-cart of taking down the exhibits as claimed in claim 2; It is characterized in that: said bindiny mechanism comprises forward foot in a step attaching parts, driver's attaching parts, driver's moving part and handrail permanent seat; Articulate between said forward foot in a step attaching parts and the said driver's attaching parts; The back side of said driver's attaching parts is fixed in the rear end of said driver's moving part; The front end activity of said driver's moving part contacts at the back side of said forward foot in a step attaching parts, and said handrail permanent seat is articulated in the side of said forward foot in a step attaching parts, and the upper end of said handrail permanent seat is connected with said handrail; Captive joint with an end of said moving part in the lower end of said handrail permanent seat, the other end of said moving part is captiveed joint with the front end of said driver's moving part.
4. go-cart of taking down the exhibits as claimed in claim 2 is characterized in that: said forward foot in a step attaching parts, said driver's attaching parts and said handrail permanent seat are articulated on the same pivotal axis.
5. go-cart of taking down the exhibits as claimed in claim 2; It is characterized in that: also comprise the shock absorbing apparatus connecting element; The lower ending pivot of said shock absorbing apparatus connecting element is connected in the said go-cart; The upper end of said shock absorbing apparatus connecting element is fixedly connected on the front end of said driver's moving part, and captives joint with said moving part.
6. go-cart of taking down the exhibits as claimed in claim 2; It is characterized in that: have the articulated section on the said forward foot in a step attaching parts; Offer arc groove on the said articulated section; Said arc groove forms pivot region, and said handrail permanent seat is articulated in the side of said forward foot in a step attaching parts and in said pivot region, rotates.
7. go-cart of taking down the exhibits as claimed in claim 2 is characterized in that: said moving part also is arranged with protecting sleeve outward.
8. go-cart of taking down the exhibits as claimed in claim 7 is characterized in that: said protecting sleeve is soft spring or polyvinylchloride cover.
9. go-cart of taking down the exhibits as claimed in claim 7 is characterized in that: said moving part is a steel wire.
10. go-cart of taking down the exhibits as claimed in claim 3 is characterized in that: said bindiny mechanism also comprises the handrail deck, and said handrail removably is connected with said handrail permanent seat through said handrail deck.
11. go-cart of taking down the exhibits as claimed in claim 10 is characterized in that: the two ends of said handrail are stretched into the upper end of said handrail deck respectively and are captiveed joint the lower end of said handrail deck and the removably clamping of said handrail permanent seat with said handrail deck.
12. go-cart of taking down the exhibits as claimed in claim 11 is characterized in that: said handrail deck is provided with elastic button, offers on the said handrail permanent seat and the corresponding connecting hole of said elastic button, and said elastic button and said connecting hole fasten.
13. go-cart of taking down the exhibits as claimed in claim 12; It is characterized in that: said handrail permanent seat is hollow structure; And the open top of said handrail permanent seat; Said connecting hole is opened in the said handrail permanent seat outside, and said handrail deck stretches in the said handrail permanent seat, and said elastic button is sticked in the said connecting hole and protrudes out said connecting hole.
14. go-cart of taking down the exhibits as claimed in claim 13 is characterized in that: said elastic button comprises button and spring, said button is sticked on the said handrail and stretches out said handrail deck, and said spring is being placed in the said button of compression shape.
15. go-cart of taking down the exhibits as claimed in claim 13 is characterized in that: the inwall of said handrail permanent seat is provided with the fin that is step-like, said handrail deck is provided with and the corresponding holding section of said fin.
16. go-cart of taking down the exhibits as claimed in claim 15 is characterized in that: the bottom of said handrail permanent seat offers sand losing opening.
17. go-cart of taking down the exhibits as claimed in claim 12 is characterized in that: offer draw-in groove on the said handrail permanent seat, offer said connecting hole on the inwall of said draw-in groove; Said elastic button comprises button and spring; Said button has press section and engagement section, forms between said press section and the said engagement section to engage the district, and said handrail deck is sticked in the said engaging district; And said press section and said engagement section all protrude out said handrail deck; Said spring is being placed in the said button of compression shape, and said handrail deck is sticked in the draw-in groove of said handrail permanent seat, and the engagement section of said button and said connecting hole fasten.
18. go-cart of taking down the exhibits as claimed in claim 1 is characterized in that: also comprise a seat, said seat is connected in the said go-cart.
19. go-cart of taking down the exhibits as claimed in claim 18 is characterized in that: the front end symmetry of said seat offers two engagement grooves, and two said engagement grooves all engage with said handrail, and then said seat is movably connected in the said go-cart.
20. go-cart of taking down the exhibits as claimed in claim 19 is characterized in that: also be provided with snap-in structure between the two said engagement grooves, said snap-in structure is connected with said handrail engaging.
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CN201110068149.XA CN102689644B (en) | 2011-03-21 | 2011-03-21 | Foldable handcart |
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CN201110068149.XA CN102689644B (en) | 2011-03-21 | 2011-03-21 | Foldable handcart |
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CN102689644B CN102689644B (en) | 2014-05-21 |
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---|---|---|---|---|
CN107224151A (en) * | 2017-02-28 | 2017-10-03 | 姚福来 | A kind of foldable baby hand basket |
CN110920729A (en) * | 2018-09-19 | 2020-03-27 | 明门瑞士股份有限公司 | Linkage unfolding mechanism for armrest frame |
CN110920729B (en) * | 2018-09-19 | 2022-07-15 | 明门瑞士股份有限公司 | Linkage unfolding mechanism of armrest frame |
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