CN106347444B - Convenient for the frame for baby cart of storage after a kind of folding - Google Patents
Convenient for the frame for baby cart of storage after a kind of folding Download PDFInfo
- Publication number
- CN106347444B CN106347444B CN201610951511.0A CN201610951511A CN106347444B CN 106347444 B CN106347444 B CN 106347444B CN 201610951511 A CN201610951511 A CN 201610951511A CN 106347444 B CN106347444 B CN 106347444B
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- rod
- hinge point
- frame
- connecting rod
- push rod
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- 230000000750 progressive effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/06—Foldable with a scissor-like mechanism
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
Convenient for the frame for baby cart of storage, including push-rod frame, fore-stock, after-poppet and seat frame after a kind of folding；The upper end of front support rod and the lower end of push rod hingedly constitute the first hinge joint；The upper end of back stay is articulated with the first hinge joint；The rear end of seat pillar, which is articulated on push rod, constitutes the second hinge joint；It further include first connecting rod and second connecting rod；The middle part that the upper end of first connecting rod is articulated with seat pillar constitutes third hinge joint；It is articulated with front support rod in the middle part of first connecting rod and constitutes the 4th hinge joint；The lower end of first connecting rod bends backward and hingedly constitutes the 5th hinge joint with the front end of second connecting rod；The rear end of second connecting rod is articulated with back stay and constitutes the 6th hinge joint；Corresponding first hinge joint is equipped with a locking structure.Structure of the invention design is reasonable, folding pusher bridge, seat frame, fore-stock and after-poppet is in approach fitting shape, so that the storage space that folded vehicle frame occupies substantially reduces, and when opening vehicle frame stability it is good, open, the operation that folds it is also more convenient.
Description
Technical Field
The invention relates to a baby carriage, in particular to a baby carriage frame. The baby carriage frame is convenient to fold and store, and the volume after folding is small.
Background
Strollers, also known as strollers, are of many types depending on their function, but typically include two portions, a frame and a seat. Wherein, the bottom of the frame is provided with wheels, which is convenient for the movement and the steering of the baby carriage; the frame can be designed in different structures according to the functional requirements of the baby carriage, for example, a storage bag can be arranged on the frame base under the seat, so that the storage is convenient, or the adjustment can be carried out on the interface of the seat and the frame, so that the frame can be directly arranged on the child seat … … used in the automobile.
In order to facilitate carrying and storage, manufacturers design a foldable baby carrier, the frame of the baby carrier can be folded, the purpose is to reduce the volume through folding, and the problem of large storage space occupation is solved. However, when the existing folding frame is used, the frame can be folded to facilitate storage, but due to the structural design problem of the frame, the distance between the front wheel and the rear wheel of the folded frame is not changed, and the thickness of the folded frame is still larger, so that the size of the folded frame cannot be effectively reduced, and when the frame of the baby carriage is folded and placed into a limited space such as a car trunk, the problem that the frame cannot be placed into the limited space often occurs, so that the requirement of a user cannot be met.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The invention provides a baby carriage frame convenient to store after being folded, and aims to solve the problem that the size of the frame cannot be effectively reduced after being folded in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a baby carriage frame convenient to store after being folded comprises a push rod frame, a front support, a rear support and a seat cushion frame; wherein,
the push rod frame comprises two push rods; the front support comprises two front support rods, and the upper ends of the front support rods are hinged with the lower ends of the push rods to form a first hinge point; the rear support comprises two rear support rods, the upper ends of the rear support rods are hinged to the first hinge point, and the upper ends of the rear support rods are hinged to the upper ends of the front support rods and the lower ends of the push rods; the seat cushion frame comprises two seat cushion rods, and the rear ends of the seat cushion rods are hinged to the push rods to form a second hinge point; in the open state of the frame, the second hinge point is located above the first hinge point;
the connecting rod mechanism further comprises a first connecting rod and a second connecting rod; the upper end of the first connecting rod is hinged to the middle of the seat cushion rod to form a third hinged point; the middle part of the first connecting rod is hinged with the front supporting rod to form a fourth hinged point; the lower end of the first connecting rod is bent backwards and hinged with the front end of the second connecting rod to form a fifth hinge point; the first connecting rod comprises a straight rod-shaped upper section and a bent rod-shaped lower section, and the upper section and the lower section are bounded by the fourth hinge point; the rear end of the second connecting rod is hinged to the rear supporting rod to form a sixth hinge point; in an open state of the frame, the second hinge point, the third hinge point, the fourth hinge point, the fifth hinge point and the sixth hinge point are sequentially arranged along the circumferential direction of the frame around the first hinge point;
when the front supporting rod is used as a reference object, any one of the other three rotates, and the other two rotate synchronously; each rod body forms a second four-bar linkage structure through a first hinge point, a fourth hinge point, a fifth hinge point and a sixth hinge point, the second four-bar linkage structure comprises the front support rod, the lower section of the first linkage rod, the second linkage rod and the rear support rod, and when the front support rod is used as a reference object, any one of the other three rotates, and the other two rotate synchronously; the common part of the two sets of four-bar linkage structures is the front supporting rod so as to achieve the linkage of the two sets of four-bar linkage structures;
a locking structure is arranged corresponding to the first hinge point, acts on the push rod and the rear support rod and is used for locking the first hinge point, so that the opening state of the frame is locked;
wherein, in the open state of the frame, the locking structure is in the locked state; the push rod frame is opened backwards and upwards, the seat cushion frame is horizontally arranged, the upper section of the first connecting rod is vertically arranged, the lower section of the first connecting rod is horizontally arranged, the second connecting rod is horizontally arranged, and the included angle between the front supporting rod and the rear supporting rod is the largest;
when the frame is folded, the locking structure is in an unlocking state; the push rod rotates forwards by taking the first hinge point as a center, and the cushion rod rotates towards the push rod by taking the second hinge point as a center; the center of the first connecting rod rotates around the fourth hinge point, the upper section of the first connecting rod rotates forwards and downwards, and the lower section of the first connecting rod rotates backwards and upwards; the upper end of the first connecting rod drives the seat cushion rod to rotate towards the front supporting rod, and further drives the push rod to rotate towards the front supporting rod; the lower end of the first connecting rod drives the front end of the second connecting rod to move towards the upper end of the front supporting rod, so that the lower end of the rear supporting rod is driven to move towards the lower end of the front supporting rod, and the included angle between the front supporting rod and the rear supporting rod is gradually reduced;
wherein, the lower extreme of fore-stock links to be equipped with the front wheel, and the lower extreme of rear bracket links to be equipped with the rear wheel.
The relevant content in the above technical solution is explained as follows:
1. in the above solution, the seat cushion frame is used for supporting a seat cushion of a seat of a stroller.
2. In the above solution, the first connecting rod is a lever, and the lever rotates with the fourth hinge point as a fixed point and is J-shaped.
3. In the above scheme, the two sets of four-bar linkage structures both relate to the front support rod, so as to achieve the linkage of the two sets of bar linkage structures; by the design, when the frame is folded or unfolded, the continuity and convenience of operation can be improved.
4. In the above scheme, the push rod frame is telescopic or foldable. By the design, the push rod frame can be further pressed close to the frame main body, so that the longitudinal length of the folded frame is greatly reduced, and the volume of the folded frame is further reduced.
5. In the above scheme, when the push rod frame is of a foldable design, the push rod comprises an upper push rod and a lower push rod which are hinged;
the locking structure comprises a pull switch, a pull rope, a spring, a locking gear, a rear support rod upper joint and a push rod lower joint; the pull switch is arranged on the upper push rod; the upper joint of the rear supporting rod is fixedly arranged at the upper end of the rear supporting rod, and the lower joint of the push rod is fixedly arranged at the lower end of the lower push rod; the pull rope is arranged in the push rod, one end of the pull rope is connected with the pulling switch, the other end of the pull rope is connected with the locking gear, and when the upper push rod and the lower push rod are folded and closed, the locking gear is pulled by the pulling switch through the pull rope; the locking gear is arranged in a cavity formed by splicing and combining the upper joint of the rear support rod and the lower joint of the lower push rod, positioning grooves matched with the locking gear in shape are formed in the opposite surfaces of the upper joint of the rear support rod and the lower joint of the lower push rod, and the cavity is formed by oppositely combining two positioning grooves; the spring is arranged between the lower connector of the lower push rod and the locking gear, so that when the locking gear is pulled by the pull rope, the locking gear can completely enter the positioning groove of the lower connector of the push rod and compress the spring, the locking gear is completely separated from the upper connector of the rear support rod at the moment, and then the push rod and the rear support rod are unlocked, namely the first hinge point is unlocked; when the traction force disappears, the spring pushes the locking gear out to a state of being matched with the positioning grooves on the upper joint of the rear support rod and the lower joint of the push rod at the same time so as to lock the upper joint of the rear support rod and the lower joint of the push rod, and then the push rod and the rear support rod are locked, namely the first hinge point is locked.
When the push rod frame is designed to be retractable, the locking structure can be in a form of impact unlocking commonly used in the industry, and the specific scheme is not described herein.
6. In the above scheme, the rear wheels are connected with the rotating shafts of the rear wheels through a connecting rod, a brake structure is arranged corresponding to the connecting rod, the brake structure acts on the connecting rod, and the rotation of the rear wheels is further stopped by stopping the rotation of the connecting rod. By means of the design, the safety of parking is improved, and the baby carrier is prevented from sliding due to the terrain gradient factors.
7. In the scheme, the upper ends of the two push rods are fixedly connected through a handle rod. By the design, the overall structural strength of the push rod frame can be enhanced, and a part convenient for holding of a user is provided.
The working principle and the advantages of the invention are as follows:
the invention relates to a baby carriage frame convenient to store after being folded, which comprises a push rod frame, a front support, a rear support and a seat cushion frame; the upper end of the front supporting rod is hinged with the lower end of the push rod to form a first hinge point; the upper end of the rear supporting rod is hinged to the first hinge point; the rear end of the seat cushion rod is hinged on the push rod to form a second hinge point; when the frame is opened, the second hinge point is positioned above the first hinge point; the connecting rod mechanism further comprises a first connecting rod and a second connecting rod; the upper end of the first connecting rod is hinged to the middle part of the seat cushion rod to form a third hinged point; the middle part of the first connecting rod is hinged with the front supporting rod to form a fourth hinged point; the lower end of the first connecting rod is bent backwards and hinged with the front end of the second connecting rod to form a fifth hinge point; the rear end of the second connecting rod is hinged to the rear supporting rod to form a sixth hinge point; when the frame is opened, the second hinge point, the third hinge point, the fourth hinge point, the fifth hinge point and the sixth hinge point are sequentially arranged along the circumferential direction of the frame by taking the first hinge point as the center; wherein, correspond first pin joint and be equipped with a locking structure for lock first pin joint, thereby the open mode of locking the frame. Compared with the prior art, the folding bicycle frame is reasonable in structural design, the folding push rod frame, the seat cushion frame, the front support and the rear support are in an approaching fit shape, the thickness of the bicycle frame is reduced, meanwhile, due to the fact that the length of the bicycle frame is reduced by the fit of the front wheel and the rear wheel, the storage space occupied by the folded bicycle frame is greatly reduced, the bicycle frame is good in stability when being opened, and the folding bicycle frame is convenient to open and fold. In conclusion, the folding chair has the practical and progressive properties of reasonable structural design, small storage space after folding, convenient operation and the like.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention in an open position;
FIG. 2 is a rear view of the embodiment of the present invention in an open position;
FIG. 3 is a schematic perspective view of an open position according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of the folding operation of the embodiment of the present invention;
FIG. 5 is a schematic perspective view of an embodiment of the present invention in a folded state;
FIG. 6 is an exploded, schematic view of a locking device in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a locking device in an unlocked state in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a locking device in a locked condition in accordance with an embodiment of the present invention;
in the above drawings: 1. a push rod; 1a, pushing up a push rod; 1b, pushing down the push rod; 2. a front support rod; 3. a first hinge point; 4. a rear support rod; 5. a seat cushion rod; 6. a second hinge point; 7. a first link; 7 a. an upper section of the first link; 7 b. a lower section of the first link; 8. a second link; 9. a third hinge point; 10. a fourth hinge point; 11. a fifth hinge point; 12. a sixth hinge point; 13. a spring; 14. a locking gear; 15. the upper joint of the rear supporting rod; 16. a lower joint of the lower push rod; 17. a chamber; 18. positioning a groove; 19. a front wheel; 20. a rear wheel; 21. a connecting rod; 22. a brake structure; 23. a handle bar.
Detailed Description
The invention is further described with reference to the following figures and examples:
example (b): referring to fig. 1-5, a stroller frame convenient to store after being folded comprises a push rod frame, a front support, a rear support and a seat cushion frame, wherein the seat cushion frame is used for supporting a seat cushion of a stroller seat.
The push rod frame comprises two push rods 1 which are arranged in parallel; the front support comprises two front support rods 2 arranged in parallel, and the upper ends of the front support rods 2 are hinged with the lower ends of the push rods 1 to form a first hinge point 3; the rear support comprises two rear support rods 4 which are arranged in parallel, the upper ends of the rear support rods 4 are hinged to the first hinge point 3, and the upper ends of the rear support rods 4 are hinged to the upper end of the front support rod 2 and the lower end of the push rod 1; the seat cushion frame comprises two seat cushion rods 5 which are arranged in parallel, and the rear ends of the seat cushion rods 5 are hinged to the push rod 1 to form a second hinge point 6; in the open state of the frame, the second hinge point 6 is located above the first hinge point 3;
the device also comprises two first connecting rods 7 and two second connecting rods 8; the upper end of the first connecting rod 7 is hinged to the middle part of the seat cushion rod 5 to form a third hinged point 9; the middle part of the first connecting rod 7 is hinged with the front supporting rod 2 to form a fourth hinged point 10; the lower end of the first connecting rod 7 is bent backwards and hinged with the front end of the second connecting rod 8 to form a fifth hinge point 11; the first link 7 is a lever that rotates with the fourth hinge point 10 as a fixed point, and includes a straight rod-shaped upper section 7a and a bent rod-shaped lower section 7b, thus being J-shaped, and the upper section 7a and the lower section 7b are bounded by the fourth hinge point 10; the rear end of the second connecting rod 8 is hinged to the rear support rod 4 to form a sixth hinge point 12; in the open state of the frame, the second hinge point 6, the third hinge point 9, the fourth hinge point 10, the fifth hinge point 11, and the sixth hinge point 12 are sequentially arranged along the circumferential direction thereof with the first hinge point 3 as the center.
Wherein, each rod body forms a first four-bar linkage structure by a first hinge point 3, a second hinge point 6, a third hinge point 9 and a fourth hinge point 10, the first four-bar linkage structure comprises the push rod 1, the cushion rod 5, the upper section 7a of the first linkage and the front support rod 2, when the front support rod 2 is used as a reference object, any one of the other three rotates, and the other two rotate synchronously; each rod body forms a second four-bar linkage structure by a first hinge point 3, a fourth hinge point 10, a fifth hinge point 11 and a sixth hinge point 12, the second four-bar linkage structure comprises the front support rod 2, the lower section 7b of the first link rod, the second link rod 8 and the rear support rod 4, and when the front support rod 2 is used as a reference object, any one of the other three rotates, and the other two rotate synchronously. The common part of the two sets of four-bar linkage structures is the front supporting rod 2 so as to achieve the linkage of the two sets of four-bar linkage structures, so that the continuity and the convenience of operation can be conveniently improved when the frame is folded or unfolded.
A locking structure is arranged corresponding to the first hinge point 3, and acts on the push rod 1 and the rear support rod 4 to lock the first hinge point 3, so as to lock the opening state of the frame. As shown in fig. 6 to 8, the push rod frame is of a foldable design, and the push rod 1 comprises an upper push rod 1a and a lower push rod 1b which are hinged; the locking structure comprises a pull switch, a pull rope, a spring 13, a locking gear 14, a rear support rod upper joint 15 and a lower push rod lower joint 16; the pull switch is arranged in the upper push rod 1a (not shown in the figure); the rear support rod upper joint 15 is fixedly arranged at the upper end of the rear support rod 4, and the lower push rod lower joint 16 is fixedly arranged at the lower end of the lower push rod 1 b; the pull rope is arranged inside the push rod 1 (not shown in the figure), one end of the pull rope is connected with the pull switch, and the other end of the pull rope is connected with the locking gear 14; when the upper push rod 1a and the lower push rod 1b are folded and closed, the locking gear 14 is pulled by the pull switch through the pull rope; the locking gear 14 is arranged in a cavity 17 formed by splicing and combining the rear support rod upper joint 15 and the lower push rod lower joint 16, positioning grooves 18 matched with the locking gear 14 in shape are formed in the opposite surfaces of the rear support rod upper joint 15 and the lower push rod lower joint 16, and the cavity 17 is formed by oppositely combining the two positioning grooves 18; the spring 13 is arranged between the lower push rod joint 16 and the locking gear 14, so that when the locking gear 14 is pulled by the pull rope, the locking gear 14 can completely enter the positioning groove 18 of the lower push rod joint 16 and compress the spring 13, and at the moment, the locking gear 14 is completely separated from the upper rear support rod joint 15, so that the push rod 1 and the rear support rod 4 are unlocked, namely the first hinge point 3 is unlocked; when the traction force disappears, the spring 13 pushes the locking gear 14 out to a state of being matched with the positioning groove 18 on the upper joint 15 of the rear support rod and the lower joint 16 of the lower support rod at the same time, so as to lock the upper joint and the lower joint, and further lock the push rod 1 and the rear support rod 4, namely lock the first hinge point 3.
Wherein, in the open state of the frame, the locking structure is in the locked state; the seat cushion is characterized in that the push rod frame is opened backwards and upwards, the two push rods 1 are vertically and parallelly arranged, the seat cushion frame is horizontally arranged, the upper section 7a of the first connecting rod is vertically arranged, the lower section 7b of the first connecting rod is horizontally arranged, the second connecting rod 8 is horizontally arranged, and the included angle between the front supporting rod 2 and the rear supporting rod 4 is the largest;
when the frame is folded, the locking structure is in an unlocking state; the push rod 1 rotates forwards towards the front support rod 2 by taking the first hinge point 3 as a center, and the cushion rod 5 rotates towards the push rod 1 by taking the second hinge point 6 as a center; the center of the first link 7 rotates around the fourth hinge point 10, the upper section 7a of the first link rotates forwards and downwards, and the lower section 7b rotates backwards and upwards; the upper end of the first connecting rod 7 drives the cushion rod 5 to rotate towards the front supporting rod 2, and further drives the push rod 1 to rotate towards the front supporting rod 2; the lower end 7b of the first connecting rod drives the front end of the second connecting rod 8 to move towards the upper end of the front supporting rod 2, so that the lower end of the rear supporting rod 4 is driven to move towards the lower end of the front supporting rod 2, and the included angle between the front supporting rod 2 and the rear supporting rod 4 is gradually reduced.
In practical use, in order to facilitate folding operation, a user can fold the frame by operating the push rod 1, the seat cushion rod 5 is driven by the push rod 1, the first connecting rod 7 and the first connecting rod 7 are driven by the seat cushion rod 5 to drive the second connecting rod 8, and finally the rear support is driven by the second connecting rod 8 to be folded towards the front support.
Wherein, the lower end of the front bracket is connected with a front wheel 19, and the lower end of the rear bracket is connected with a rear wheel 20.
The rear wheels 20 are connected with each other through a connecting rod 21, a rotating shaft of each rear wheel 20 is arranged corresponding to the connecting rod 21, a brake structure 22 is arranged corresponding to the connecting rod 21, the brake structure 22 acts on the connecting rod 21, and the rotation of each rear wheel 20 is stopped by stopping the rotation of the connecting rod 21. By means of the design, the safety of parking is improved, and the baby carrier is prevented from sliding due to the terrain gradient factors.
Wherein, the upper ends of the two push rods 1 are connected and fixed through a handle rod 23. By the design, the overall structural strength of the push rod frame can be enhanced, and a part convenient for holding of a user is provided.
The invention relates to a baby carriage frame convenient to store after being folded, which comprises a push rod frame, a front support, a rear support and a seat cushion frame; the upper end of the front supporting rod is hinged with the lower end of the push rod to form a first hinge point; the upper end of the rear supporting rod is hinged to the first hinge point; the rear end of the seat cushion rod is hinged on the push rod to form a second hinge point; when the frame is opened, the second hinge point is positioned above the first hinge point; the connecting rod mechanism further comprises a first connecting rod and a second connecting rod; the upper end of the first connecting rod is hinged to the middle part of the seat cushion rod to form a third hinged point; the middle part of the first connecting rod is hinged with the front supporting rod to form a fourth hinged point; the lower end of the first connecting rod is bent backwards and hinged with the front end of the second connecting rod to form a fifth hinge point; the rear end of the second connecting rod is hinged to the rear supporting rod to form a sixth hinge point; when the frame is opened, the second hinge point, the third hinge point, the fourth hinge point, the fifth hinge point and the sixth hinge point are sequentially arranged along the circumferential direction of the frame by taking the first hinge point as the center; wherein, correspond first pin joint and be equipped with a locking structure for lock first pin joint, thereby the open mode of locking the frame. Compared with the prior art, the folding bicycle frame is reasonable in structural design, the folding push rod frame, the seat cushion frame, the front support and the rear support are in an approaching fit shape, the thickness of the bicycle frame is reduced, meanwhile, due to the fact that the length of the bicycle frame is reduced by the fit of the front wheel and the rear wheel, the storage space occupied by the folded bicycle frame is greatly reduced, the bicycle frame is good in stability when being opened, and the folding bicycle frame is convenient to open and fold. In conclusion, the folding chair has the practical and progressive properties of reasonable structural design, small storage space after folding, convenient operation and the like.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a bassinet frame of being convenient for accomodate after folding which characterized in that:
comprises a push rod frame, a front bracket, a rear bracket and a seat cushion frame; wherein,
the push rod frame comprises two push rods; the front support comprises two front support rods, and the upper ends of the front support rods are hinged with the lower ends of the push rods to form a first hinge point; the rear support comprises two rear support rods, the upper ends of the rear support rods are hinged to the first hinge point, and the upper ends of the rear support rods are hinged to the upper ends of the front support rods and the lower ends of the push rods; the seat cushion frame comprises two seat cushion rods, and the rear ends of the seat cushion rods are hinged to the push rods to form a second hinge point; in the open state of the frame, the second hinge point is located above the first hinge point;
the connecting rod mechanism further comprises a first connecting rod and a second connecting rod; the upper end of the first connecting rod is hinged to the middle of the seat cushion rod to form a third hinged point; the middle part of the first connecting rod is hinged with the front supporting rod to form a fourth hinged point; the lower end of the first connecting rod is bent backwards and hinged with the front end of the second connecting rod to form a fifth hinge point; the first connecting rod comprises a straight rod-shaped upper section and a bent rod-shaped lower section, and the upper section and the lower section are bounded by the fourth hinge point; the rear end of the second connecting rod is hinged to the rear supporting rod to form a sixth hinge point; in an open state of the frame, the second hinge point, the third hinge point, the fourth hinge point, the fifth hinge point and the sixth hinge point are sequentially arranged along the circumferential direction of the frame around the first hinge point;
when the front supporting rod is used as a reference object, any one of the other three rotates, and the other two rotate synchronously; each rod body forms a second four-bar linkage structure through a first hinge point, a fourth hinge point, a fifth hinge point and a sixth hinge point, the second four-bar linkage structure comprises the front support rod, the lower section of the first linkage rod, the second linkage rod and the rear support rod, and when the front support rod is used as a reference object, any one of the other three rotates, and the other two rotate synchronously; the common part of the two sets of four-bar linkage structures is the front supporting rod so as to achieve the linkage of the two sets of four-bar linkage structures;
a locking structure is arranged corresponding to the first hinge point, acts on the push rod and the rear support rod and is used for locking the first hinge point, so that the opening state of the frame is locked;
wherein, in the open state of the frame, the locking structure is in the locked state; the push rod frame is opened backwards and upwards, the seat cushion frame is horizontally arranged, the upper section of the first connecting rod is vertically arranged, the lower section of the first connecting rod is horizontally arranged, the second connecting rod is horizontally arranged, and the included angle between the front supporting rod and the rear supporting rod is the largest;
when the frame is folded, the locking structure is in an unlocking state; the push rod rotates forwards by taking the first hinge point as a center, and the cushion rod rotates towards the push rod by taking the second hinge point as a center; the center of the first connecting rod rotates around the fourth hinge point, the upper section of the first connecting rod rotates forwards and downwards, and the lower section of the first connecting rod rotates backwards and upwards; the upper end of the first connecting rod drives the seat cushion rod to rotate towards the front supporting rod, and further drives the push rod to rotate towards the front supporting rod; the lower end of the first connecting rod drives the front end of the second connecting rod to move towards the upper end of the front supporting rod, so that the lower end of the rear supporting rod is driven to move towards the lower end of the front supporting rod, and the included angle between the front supporting rod and the rear supporting rod is gradually reduced;
wherein, the lower extreme of fore-stock links to be equipped with the front wheel, and the lower extreme of rear bracket links to be equipped with the rear wheel.
2. A stroller frame according to claim 1, wherein: the push rod frame is telescopic or foldable.
3. A stroller frame according to claim 2, wherein: the push rod frame can be folded to form the push rod which comprises an upper push rod and a lower push rod which are hinged;
the locking structure comprises a pull switch, a pull rope, a spring, a locking gear, a rear support rod upper joint and a push rod lower joint; the pull switch is arranged on the upper push rod; the upper joint of the rear supporting rod is fixedly arranged at the upper end of the rear supporting rod, and the lower joint of the push rod is fixedly arranged at the lower end of the lower push rod; the pull rope is arranged in the push rod, one end of the pull rope is connected with the pulling switch, the other end of the pull rope is connected with the locking gear, and when the upper push rod and the lower push rod are folded and closed, the locking gear is pulled by the pulling switch through the pull rope; the locking gear is arranged in a cavity formed by splicing and combining the upper joint of the rear support rod and the lower joint of the lower push rod, positioning grooves matched with the locking gear in shape are formed in the opposite surfaces of the upper joint of the rear support rod and the lower joint of the lower push rod, and the cavity is formed by oppositely combining two positioning grooves; the spring is arranged between the lower connector of the lower push rod and the locking gear, so that when the locking gear is pulled by the pull rope, the locking gear can completely enter the positioning groove of the lower connector of the push rod and compress the spring, the locking gear is completely separated from the upper connector of the rear support rod at the moment, and then the push rod and the rear support rod are unlocked, namely the first hinge point is unlocked; when the traction force disappears, the spring pushes the locking gear out to a state of being matched with the positioning grooves on the upper joint of the rear support rod and the lower joint of the push rod at the same time so as to lock the upper joint of the rear support rod and the lower joint of the push rod, and then the push rod and the rear support rod are locked, namely the first hinge point is locked.
4. A stroller frame according to claim 1, wherein: the rear wheels are connected with the rotating shafts of the rear wheels through a connecting rod, a brake structure is arranged corresponding to the connecting rod, the brake structure acts on the connecting rod, and the rotation of the rear wheels is further stopped by stopping the rotation of the connecting rod.
5. A stroller frame according to claim 1, wherein: the upper ends of the two push rods are fixedly connected through a handle rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951511.0A CN106347444B (en) | 2016-10-25 | 2016-10-25 | Convenient for the frame for baby cart of storage after a kind of folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951511.0A CN106347444B (en) | 2016-10-25 | 2016-10-25 | Convenient for the frame for baby cart of storage after a kind of folding |
Publications (2)
| Publication Number | Publication Date |
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| CN106347444A CN106347444A (en) | 2017-01-25 |
| CN106347444B true CN106347444B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610951511.0A Active CN106347444B (en) | 2016-10-25 | 2016-10-25 | Convenient for the frame for baby cart of storage after a kind of folding |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2560075B (en) | 2015-11-23 | 2019-04-10 | Wonderland Nursery Goods | Infant stroller apparatus |
| CN107985377B (en) * | 2017-12-28 | 2023-10-13 | 苏州昂锐儿童用品有限公司 | Baby stroller with seat pocket frame and frame both foldable |
| CN108945072A (en) * | 2018-06-28 | 2018-12-07 | 唐满林 | A kind of multifunctional power-assisted vehicle |
| JP6923930B2 (en) * | 2018-07-31 | 2021-08-25 | コンビ株式会社 | baby carriage |
| GB2591211B (en) * | 2018-09-18 | 2022-04-27 | Jijibaba Ltd | A push chair |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335900A (en) * | 1978-07-24 | 1982-06-22 | Henry Fleischer | Collapsible frames for baby carriers |
| DE3007888A1 (en) * | 1980-03-01 | 1981-09-17 | Herlag Holzwarenfabrik Kg, 3472 Beverungen | Safety catch for folding pushchair - has pivoted catch to link frame and ratchet location |
| CN202911784U (en) * | 2012-10-31 | 2013-05-01 | 好孩子儿童用品有限公司 | Children stroller |
| CN203111249U (en) * | 2013-01-05 | 2013-08-07 | 好孩子儿童用品有限公司 | Baby stroller |
| CN104554410B (en) * | 2014-12-26 | 2017-01-04 | 好孩子儿童用品有限公司 | A kind of can the double stroller of twice-folded |
| CN205652188U (en) * | 2016-05-20 | 2016-10-19 | 汉川市娇贝儿童用品有限公司 | Collapsible perambulator |
| CN206125115U (en) * | 2016-10-25 | 2017-04-26 | 苏州昂锐儿童用品有限公司 | Bassinet frame of being convenient for to accomodate after folding |
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