CN201856792U - Baby carriage frame capable of converting front wheel supporting state - Google Patents
Baby carriage frame capable of converting front wheel supporting state Download PDFInfo
- Publication number
- CN201856792U CN201856792U CN2010205131213U CN201020513121U CN201856792U CN 201856792 U CN201856792 U CN 201856792U CN 2010205131213 U CN2010205131213 U CN 2010205131213U CN 201020513121 U CN201020513121 U CN 201020513121U CN 201856792 U CN201856792 U CN 201856792U
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- wheel support
- skeleton
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- wheels
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Abstract
The utility model provides a baby carriage frame capable of converting the supporting state of front wheels, which comprises a foldable frame main body, a front wheel support and a converting mechanism. The foldable frame main body is at least provided with a rear wheel shaft for connecting a pair of rear wheels located respectively on the left and right side of the rear end. The front wheel support is pivoted on the front of the foldable frame. The two ends of the front wheel support are respectively connected with a pair of front wheels. The converting mechanism is installed on the part where the foldable frame main body and the front wheel support are in pivoted connection. The converting mechanism controls the pivoting of the front wheel support and makes the front wheel support positioned on a first operation mode position or a second operation mode position so as to enable the front wheels together with the rear wheel group to form a four-point supporting state or a three-point supporting state. Thereby, the baby carriage is enabled to have the stability of a common four-wheel go-cart and the excellent control of a three-wheel racing car.
Description
Technical field
The utility model relates to perambulator skeleton, especially its front-wheel support that a kind of convertible front-wheel supports the sample attitude can select the perambulator skeleton that separates to middle closing or the super left and right sides.
Background technology
Perambulator is made of collapsible skeleton and wheel; With function distinguishing, these two kinds of GENERAL TYPE and sports types are arranged.The collapsible skeleton of sports type is based on the sample attitude of three-wheel vehicle, and than the length of GENERAL TYPE, as the 6th, 196, No. 572 patent cases, the 5th, 876 of the U.S., No. 309 patent cases and the 5th, 536, No. 033 case such as patent disclose the front and rear wheel wheelbase relatively.
The operation mode of perambulator comprises normal promotion and goes out to jog, and allows the user can push away perambulator leisure stroll or is engaged in the outdoor activity of jogging.Under the normal pattern that promotes, the perambulator characteristic that the user needs most is to control flexibly, turn easily; Under mode of motion, the direction of front-wheel can be kept stable voluntarily when the characteristic that the user needs then was quick travel.
The utility model content
Because the problem of traditional perambulator, in order to make same perambulator have above-mentioned characteristic concurrently, the utility model provides a kind of convertible front-wheel to support the perambulator skeleton of sample attitude, comprise: collapsible skeleton main body has hind axle at least for connecting the and arranged on left and right sides that the pair of rear wheels group is positioned at its rear end; Front-wheel support, with the front end pivot joint of this collapsible skeleton, its two ends can be respectively in order to connect a pair of preceding wheels; And switching mechanism, be installed on described collapsible skeleton main body and the described articulated section between this front-wheel support, the pivot of controlling this front-wheel support also can make it be positioned the first operation mode position or the second operation mode position, thereby must constitute the state of four point-supported states or supported at three point with described back wheels jointly.
Described switching mechanism comprises: positioning seat, and affixed with described collapsible skeleton front end, be provided with location division, rotary seat, dowel disc and elastic element at least; Rotary seat is connected with described front-wheel support, and this positioning seat that is coupling; Dowel disc is installed between this rotary seat and this positioning seat, movably with this positioning seat buckle and release, make described front-wheel support selectively be positioned the described first operation mode position and the described second operation mode position one of them; Elastic component device is used the snap fit of this dowel disc of maintenance to this positioning seat between this dowel disc and described collapsible skeleton.
When this front-wheel support is positioned the described first operation mode position, slightly be parallel with the axis of described hind axle, and should to preceding wheels with this to the common formation of back wheels four point-supported states.
When this front-wheel support is positioned the described second operation mode position, slightly be vertical, and should be forward and backward arrangement and the back wheels constituted jointly the state of supported at three point preceding wheels with this with the axis of described hind axle.
The utility model also can be provided with a pair of front-wheel support, and the one end articulates with the body front end of collapsible skeleton respectively, the other end respectively with a pair of before wheels be connected; Collapsible skeleton main body can produce via operation and launch stationary state and folding state, and be provided with hind axle for connecting the pair of rear wheels group in the rear end of this collapsible skeleton; Switching mechanism then is installed on collapsible skeleton main body and the articulated section between a pair of front-wheel support respectively, controls the rotation and the location of described front-wheel support; Can make it be positioned the first operation mode position or the second operation mode position; When front-wheel support was positioned the first operation mode position, this was opened the front-wheel component and lays respectively at the both sides of described collapsible skeleton main body, thereby constituted four point-supported states with described this to the back wheels are common; Mutual closing locking when front-wheel support is positioned the second operation mode position, this to preceding wheels thereupon closing each other and with described this to the common gusseted state that constitutes the virgin sport car of approximate baby of back wheels.
Thus, owing to support the perambulator skeleton of sample attitude according to convertible front-wheel of the present utility model, it is provided with the front-wheel support of convertible fixed position at least, and can be for wheels before connecting at the front-wheel support side, and between front-wheel support and skeleton, be provided with the transfer posting machine structure, make front-wheel support selectively be fixed in the first operation mode position or the second operation mode position on the skeleton, thereby wheels can conversion with the wheelbase of back wheels before making, support kenel therebetween can switch to supported at three point kenel or at 4 and support kenels, allows same perambulator be selected it to present the stability of general four-wheeled or has the superior handling of three-wheel sport car.
The utility model also provides a kind of convertible front-wheel to support the perambulator skeleton of sample attitude, comprises collapsible skeleton main body, preceding foot rest and detent mechanism, and collapsible skeleton main body, the and arranged on left and right sides of its rear end are respectively equipped with the back wheels; Preceding foot rest comprises front support rod, pivot connecting seat and a pair of extension rod, and this front support rod is connected with this collapsible skeleton main body, and pivot connecting seat is connected with this front support rod, and this articulates extension rod one end and this pivot connecting seat, and the other end connects preceding wheels respectively; Detent mechanism is installed between described extension rod and the described pivot connecting seat, and it comprises the V-type shell fragment that is installed on described extension rod, and described pivot connecting seat is provided with knock hole for this V-type shell fragment snap-lock, makes described extension rod be positioned collapse state and deployed condition; When extension rod folded, the preceding wheels of and arranged on left and right sides were thereupon forming the state of the gusseted of the virgin sport car of approximate baby (jogger) to middle closing with two back wheels; And when extension rod launched, the preceding wheels that can make and arranged on left and right sides formed four point-supported states of general four-wheel go-cart with the back wheels thereupon being separated from each other; By this, make same perambulator the superior handling of the stability of general four-wheel go-cart and three-wheel sport car of holding concurrently.
Description of drawings
Fig. 1 is the schematic perspective view that the perambulator skeleton of the convertible front-wheel support of the utility model sample attitude is positioned at the first operation mode position;
Fig. 2 is the schematic side view that the perambulator skeleton of convertible front-wheel support sample attitude of the present utility model is positioned at the first operation mode position;
Fig. 3 is a switching mechanism member exploded perspective scheme drawing of the present utility model;
Fig. 4 is a switching mechanism component composition generalized section of the present utility model;
Fig. 5 is that perambulator skeleton that convertible front-wheel of the present utility model supports the sample attitude is positioned at the first operation mode position and is four point-supported elevational schematic view;
Fig. 6 is the removable schematic perspective view of wheels before of the present utility model;
Fig. 7 is the schematic perspective view that the perambulator skeleton of convertible front-wheel support sample attitude of the present utility model is positioned at the second operation mode position;
Fig. 8 is the schematic side view that the perambulator skeleton of convertible front-wheel support sample attitude of the present utility model is positioned at the second operation mode position;
Fig. 9 is that the perambulator skeleton that convertible front-wheel of the present utility model supports the sample attitude is positioned at the elevational schematic view that the second operation mode position is approximate gusseted state;
Figure 10 is that the utility model adopts a pair of front-wheel support to be positioned at the elevational schematic view that the first operation mode position is 4 holding states;
Figure 11 is that the utility model adopts a pair of front-wheel support to be positioned at the elevational schematic view that the second operation mode position is approximate gusseted state;
Figure 12 is the preceding foot rest collapse state schematic perspective view of the another kind of embodiment of the utility model;
Figure 13 be the another kind of embodiment of the utility model detent mechanism and extension rod move scheme drawing;
Figure 14 be the another kind of embodiment of the utility model preceding foot rest deployed condition schematic perspective view;
Figure 15 is the elevational schematic view that is approximate gusseted state of the another kind of embodiment of the utility model;
Figure 16 is the elevational schematic view that is 4 holding states of the another kind of embodiment of the utility model.
The specific embodiment
As Fig. 1 and shown in Figure 2, convertible front-wheel of the present utility model supports the perambulator skeleton embodiment of sample attitude, comprise: collapsible skeleton main body 10 comprises: front frame 11, after poppet 12, connecting rod 13, control joint 15, handspike 16 and one can take advantage of the seat to put 17 for stringing seat cloth or the baby child who puts the seat.The user can operate control joint 15, makes collapsible skeleton main body 10 have the stationary state of expansion and folding state.
Wherein, collapsible skeleton main body 10 also has hind axle at least for connecting the and arranged on left and right sides that pair of rear wheels group 18 is positioned at its rear end, more particularly, the after poppet 12 of present embodiment, its both sides, lower end are installed hind axle respectively for connecting pair of rear wheels group 18.In addition, the perambulator skeleton that the convertible front-wheel of present embodiment supports the sample attitude also comprises front-wheel support 2, is articulated in the front end of collapsible skeleton main body 10 rotationally, and the better one is articulated in front frame 11.The two ends of front-wheel support 2 connect respectively a pair of before wheel seat 21,22, and by preceding wheel seat 21,22 with removable group structure connect a pair of before wheels 23,24.
The perambulator skeleton that the convertible front-wheel of present embodiment supports the sample attitude also comprises switching mechanism 3, switching mechanism 3 embodiment shown in Fig. 3,4, it is installed between front-wheel support 2 and the collapsible skeleton main body 10, comprising: positioning seat 31, rotary seat 32, dowel disc 33 and elastic element 34.
Positioning seat 31 is fixed in the front end of collapsible skeleton main body 10, is provided with location division 35 at least, preferably, is provided with a plurality of location divisions 35, and the location division 35 of present embodiment can be slotted eye.
Dowel disc 33, be installed on movably between front-wheel support 2 and the positioning seat 31, more specifically, be installed between rotary seat 32 and the positioning seat 31, dowel disc 33 movably with positioning seat 31 buckles and release, make front-wheel support 2 selectively be positioned the first operation mode position 20 and the second operation mode position 30 one of them.Elastic parts 34 is installed between dowel disc 33 and the skeleton 10, uses the snap fit that keeps 33 pairs of positioning seats 31 of dowel disc.The dowel disc 33 of present embodiment is installed on the inside of rotary seat 32 movably, be provided with can with the engaging member 36 of location division 35 clips of positioning seat 31, and keep the buckle state of 36 pairs of location divisions 35 of engaging members by elastic element 34, front-wheel support 2 can't be rotated.The dowel disc 33 of present embodiment still can be provided with grip part 37 again, makes for user's driver card fastener 36 to break away from location division 35, makes front-wheel support 2 be able to discharge from aforesaid buckle state, reverts to rotating state.
To front-wheel support 2 embodiment shown in Figure 6, it can be positioned slightly to be parallel position with the axis A of hind axle, to constitute the first operation mode position 20 as Fig. 1 to Fig. 2 and Fig. 5.When it is in the first operation mode position 20, be connected in front-wheel support 2 both sides two before wheels 18 formations four point-supported states behind 23,24 and two of the wheels, provide than the pulsation-free handling.
Embodiment structure and Fig. 7 of please refer to Fig. 4 are extremely shown in Figure 9, when desire is changed the second operation mode position 30, make the engaging member 36 of dowel disc 33 recess location division 35 earlier, front-wheel support 2 is push-jump to slightly being vertical position with the axis A of hind axle, just can make the preceding wheels 23,24 of front-wheel support 2 both sides form forward and backward arrangement, and constitute the supported at three point state of similar three-wheel sport car with back wheels 18.The better one in the second operation mode position 30, can remove the preceding wheels 24 of rear side to increase the wheelbase between the front and rear wheel, the direction degree of stability when the increase straight line scuds.
As the alternate embodiment of Figure 10 and another front- wheel support 51,52 shown in Figure 11, comprising: a pair of front- wheel support 51,52 is articulated in collapsible skeleton main body 10 front end both sides, with an end switching mechanism 3 is set respectively, wheels 71,72 before the other end connects.This is to the alternate embodiment of front- wheel support 51,52, in the first operation mode position 40 times, make two before wheels 71,72 lay respectively at 10 liang of side positions of collapsible skeleton main body and constitute four point-supported states with back wheels 73,74.When perambulator was transformed into the second operation mode position 50, operation switching mechanism 3 was drawn close front- wheel support 51,52 each other, and left and right two preceding wheels 71,72 constitute the state that is similar to gusseted to middle closing with two back wheels 73,74.Front- wheel support 51,52 can be simultaneously and perambulator skeleton 10 articulate, also can pull down one of them (not shown) and constitute real supported at three point state.Obviously, the mode that front- wheel support 51,52 is articulated in collapsible skeleton main body 10 front ends can also be changed to coaxial pivot joint, and promptly front- wheel support 51,52 is a place (not shown) in the coincidence of the articulated section of collapsible skeleton main body 10 front ends.
The another kind of embodiment of perambulator skeleton as Figure 12 and convertible front-wheel support sample attitude of the present utility model shown in Figure 16, collapsible skeleton main body 8, formed by hand push frame 81, a pair of rear leg 82, trace 84 and joint set 85, can be fixed in and launch running condition and folding state.
Both sides and lower end that two rear legs 82 are installed in collapsible skeleton main body 8 respectively respectively connect back wheels 79,80.Foot rest 83 before the perambulator skeleton that the convertible front-wheel of present embodiment supports the sample attitude also comprises comprises front support rod 86, pivot connecting seat 87 and a pair of extension rod 88, is connected with collapsible skeleton main body 8 in an end of front support rod 86, and the other end and pivot connecting seat 87 are affixed.
Two extension rods 88 articulate with an end and pivot connecting seat 87 respectively, and the other end is connected with preceding wheels 90.Between pivot connecting seat 87 and extension rod 88, be provided with one the location mechanism 9, with so that this extension rod 88 is selectively kept folding and launching.Detent mechanism 9 is provided with V-type shell fragment 91 in extension rod 88 as shown in figure 13, establishes at least two knock holees 92 in pivot connecting seat 87, makes two extension rods 88 be positioned collapse state 93 and deployed condition 94.
Extremely shown in Figure 16 as Figure 15, when collapse state 93, operation detent mechanism 9 makes two extension rods 88 fold fixing towards the centre and is a straight line with front support rod 86, before two wheels 90 will be thereupon to middle closing and with both sides after wheels 79,80 form the state of the gusseted of an approximate virgin sport car of baby (jogger).When launching positioning states 94, operation detent mechanism 9 makes two extension rods 88 launch the back to the left and right sides and fixes, make two extension rods 88 and front support rod 86 constitute Y word shape, at this moment two preceding wheels 90 also support form thereupon constituting towards left and right separating at one 4 with two back wheels 79,80.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (12)
1. the perambulator skeleton of a convertible front-wheel support sample attitude is characterized in that, comprising:
Collapsible skeleton main body has hind axle at least for connecting the and arranged on left and right sides that the pair of rear wheels group is positioned at its rear end;
Front-wheel support, with the front end pivot joint of this collapsible skeleton, its two ends can be respectively in order to connect a pair of preceding wheels; And
Switching mechanism, be installed on described collapsible skeleton main body and the described articulated section between this front-wheel support, control the pivot of this front-wheel support and can make it be positioned the first operation mode position or the second operation mode position, with the common state that constitutes four point-supported states or supported at three point of described back wheels.
2. convertible front-wheel according to claim 1 supports the perambulator skeleton of sample attitude, it is characterized in that the two ends of described front-wheel support connect preceding wheel seat respectively, and connects a pair of removable preceding wheels respectively by this preceding wheel seat.
3. convertible front-wheel according to claim 1 supports the perambulator skeleton of sample attitude, it is characterized in that described switching mechanism comprises:
Positioning seat, affixed with described collapsible skeleton front end, be provided with the location division at least;
Rotary seat is connected with described front-wheel support, and this positioning seat that is coupling;
Dowel disc is installed between this rotary seat and this positioning seat, this dowel disc movably with this positioning seat buckle and release, make described front-wheel support selectively be positioned the described first operation mode position and the described second operation mode position one of them; And
Elastic element is installed between this dowel disc and the described collapsible skeleton, uses to keep the snap fit of this dowel disc to this positioning seat.
4. convertible front-wheel according to claim 3 supports the perambulator skeleton of sample attitude, it is characterized in that the location division of described positioning seat is a slotted eye.
5. convertible front-wheel according to claim 3 supports the perambulator skeleton of sample attitude, it is characterized in that, described dowel disc be provided with can with the engaging member of described location division buckle.
6. convertible front-wheel according to claim 3 supports the perambulator skeleton of sample attitude, it is characterized in that, described dowel disc is provided with for the user and moves described dowel disc to break away from the grip part of described location division.
7. convertible front-wheel according to claim 1 supports the perambulator skeleton of sample attitude, it is characterized in that described front-wheel support is positioned one of them of described first operation mode position and the described second operation mode position removably.
8. the perambulator skeleton of a convertible front-wheel support sample attitude is characterized in that, comprising:
Collapsible skeleton main body can produce via operation and launch stationary state and folding state, and be provided with hind axle for connecting the pair of rear wheels group in the rear end of this collapsible skeleton;
A pair of front-wheel support, one end articulate with the front end of this collapsible skeleton main body respectively, the other end respectively with a pair of before wheels be connected;
Switching mechanism is installed on described collapsible skeleton main body and the described articulated section between the described front-wheel support, controls the rotation and the location of described front-wheel support; Can make it be positioned the first operation mode position or the second operation mode position, with the common state that constitutes four point-supported states or gusseted of described back wheels.
9. the perambulator skeleton of a convertible front-wheel support sample attitude is characterized in that, comprising:
Collapsible skeleton main body, the and arranged on left and right sides of its rear end are respectively equipped with the back wheels;
Preceding foot rest comprises front support rod, pivot connecting seat and a pair of extension rod, and this front support rod is connected with this collapsible skeleton main body, and pivot connecting seat is connected with this front support rod, and this articulates extension rod one end and this pivot connecting seat, and the other end connects preceding wheels respectively; And
Detent mechanism is installed between described extension rod and the described pivot connecting seat, makes described extension rod selectively keep folding and launching; When described extension rod kept folding, described preceding wheels and described back wheels formed the gusseted form of the virgin sport car shape of baby; When described extension rod kept launching, described preceding wheels and described back wheels constituted four point-supported states jointly.
10. convertible front-wheel according to claim 9 supports the perambulator skeleton of sample attitude, it is characterized in that, described detent mechanism comprises the V-type shell fragment that is installed on described extension rod, described pivot connecting seat is provided with knock hole for this V-type shell fragment snap-lock, makes described extension rod be positioned collapse state and deployed condition.
11. convertible front-wheel according to claim 10 supports the perambulator skeleton of sample attitude, it is characterized in that, described extension rod when collapse state and described front support rod be a straight line.
12. convertible front-wheel according to claim 10 supports the perambulator skeleton of sample attitude, it is characterized in that, described extension rod when deployed condition and described front support rod be the Y font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205131213U CN201856792U (en) | 2009-10-22 | 2010-09-01 | Baby carriage frame capable of converting front wheel supporting state |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920219623 | 2009-10-22 | ||
| CN200920219623.2 | 2009-10-22 | ||
| CN2010205131213U CN201856792U (en) | 2009-10-22 | 2010-09-01 | Baby carriage frame capable of converting front wheel supporting state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201856792U true CN201856792U (en) | 2011-06-08 |
Family
ID=44102608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205131213U Expired - Fee Related CN201856792U (en) | 2009-10-22 | 2010-09-01 | Baby carriage frame capable of converting front wheel supporting state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201856792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390423A (en) * | 2011-09-29 | 2012-03-28 | 好孩子儿童用品有限公司 | Stroller |
| CN102416973A (en) * | 2011-11-22 | 2012-04-18 | 好孩子儿童用品有限公司 | Baby carriage |
| CN105197086A (en) * | 2015-10-09 | 2015-12-30 | 南京航空航天大学 | Safe baby tricycle with adjustable front universal wheel eccentric rotating axle inclination angle |
| CN110861696A (en) * | 2019-11-26 | 2020-03-06 | 邯郸市亿航车业有限公司 | Children's handcart of convertible front wheel subassembly |
-
2010
- 2010-09-01 CN CN2010205131213U patent/CN201856792U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390423A (en) * | 2011-09-29 | 2012-03-28 | 好孩子儿童用品有限公司 | Stroller |
| CN102416973A (en) * | 2011-11-22 | 2012-04-18 | 好孩子儿童用品有限公司 | Baby carriage |
| CN105197086A (en) * | 2015-10-09 | 2015-12-30 | 南京航空航天大学 | Safe baby tricycle with adjustable front universal wheel eccentric rotating axle inclination angle |
| CN110861696A (en) * | 2019-11-26 | 2020-03-06 | 邯郸市亿航车业有限公司 | Children's handcart of convertible front wheel subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee after: ZHONGSHAN LERUI INFANT AND CHILDREN PRODUCTS CO., LTD. Address before: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee before: Zhongshan City Longcheng Daily-Use Article Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20160901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |