CN110733550A - child cart capable of being switched between single person and double persons - Google Patents
child cart capable of being switched between single person and double persons Download PDFInfo
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- CN110733550A CN110733550A CN201910840570.4A CN201910840570A CN110733550A CN 110733550 A CN110733550 A CN 110733550A CN 201910840570 A CN201910840570 A CN 201910840570A CN 110733550 A CN110733550 A CN 110733550A
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- seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000007306 turnover Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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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
- B62B7/008—Carriages for children; Perambulators, e.g. dolls' perambulators for two or more children
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to child carts capable of being switched between single and double persons, wherein the cart frame of the cart comprises a front support, a rear support rotationally connected with the front support, a push rod rotationally connected with the rear support and a seat mechanism rotationally connected on the front support and the push rod, the seat mechanism comprises a main seat and an auxiliary seat rotationally connected with the main seat, of the main seat and the auxiliary seat can be connected with another in a turnover mode, the main seat and the auxiliary seat are unfolded and arranged along the front-back direction of the cart by turning over the main seat or the auxiliary seat, so that the cart has a double-person use state, or the auxiliary seat is positioned below the main seat, so that the cart has a single-person use state, and the cart is very convenient to switch between the single-person use state and the double-person use state.
Description
Technical Field
The invention relates to the field of children products, in particular to an child stroller capable of being switched between single and double persons.
Background
The present children's barrow capable of single-double conversion is usually to add detachable second seat mechanisms on a stroller frame with th seat mechanisms, such as kinds of children's barrow capable of single-double conversion disclosed in chinese patent CN208198547U, and includes a stroller frame, th seat mechanism arranged on the stroller frame and a second seat mechanism detachably arranged on the stroller frame, the children's barrow has single-person and double-person using states, when in single-person using state, the second seat mechanism is separated from the stroller frame, when in double-person using state, the second seat mechanism is arranged on the stroller frame.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide improved child carts capable of being converted by single person or double persons.
In order to solve the technical problems, the invention adopts the following technical scheme:
A child stroller capable of being converted by single or double persons comprises a stroller frame with an unfolding state, a front wheel assembly and a rear wheel assembly, wherein the stroller frame comprises a front support, a rear support, a push rod and a seat mechanism, the front support is provided with the front wheel assembly at the bottom, the rear support is provided with the rear wheel assembly at the bottom, the push rod is rotatably connected with the rear support, the seat mechanism is rotatably connected with the front support and the push rod, the seat mechanism comprises a main seat and an auxiliary seat rotatably connected with the main seat, of the main seat and the auxiliary seat can be connected with another in a turnover mode, so that the stroller has a single-person use state and a double-person use state, when the stroller is in the single-person use state, the main seat and the auxiliary seat are unfolded and are respectively arranged along the front-back direction of the stroller, and when the stroller is in the single-person use state, the auxiliary seat is positioned below the main seat.
According to aspects of the present invention, the front part of the main seat is pivotally connected to the front frame, the rear part of the main seat is pivotally connected to the lower part of the push rod, the sub-seat is pivotally connected to the rear part of the main seat so as to be able to turn over, and the sub-seat is turned over to a position below the main seat when the stroller is in the single-person use state.
, the main seat comprises a connecting rod connected with the push rod and the auxiliary seat through a pivot , and a main seat body arranged on the connecting rod in a sliding way along the front-back direction of the cart, and the front part of the main seat body is connected with the front bracket in a rotating way.
Further , the sub-seat is turned forward and backward around the pivot so that the main seat body slides on the link in the forward and backward direction of the stroller during the transition of the stroller between the single use state and the double use state, and the distance between the front wheel assembly and the rear wheel assembly in the forward and backward direction is changed.
According to , the seat mechanism further includes a driver connected between the main seat body and the sub-seat, the driver being connected to the sub-seat at a position behind the pivot when the stroller is in the single-person use position, and at a position in front of the pivot when the stroller is in the double-person use position.
According to embodiments of the present invention, the sub-seat is provided with an arc-shaped groove along a circumferential direction of the pivot, a sliding member is slidably disposed in the arc-shaped groove along a length direction of the arc-shaped groove, two ends of the driving member are respectively connected to the main seat body and the sliding member, when the stroller is switched from a single use state to a double use state, the sub-seat rotates around the pivot to further drive the sliding member to rotate from a rear position located at the pivot to a front position located at the pivot, and when the stroller is in the single use state and the double use state, the sliding members are respectively located at two end portions of the arc-shaped groove.
According to examples of the present invention, the main seat body includes a seat post portion pivotally connected to the front bracket and extending in the front-rear direction of the stroller, the rear portion of the link is pivotally connected to the push rod and the sub-seat by the pivot, and the link has a hollow inner cavity extending in the front-rear direction of the stroller, and the seat post portion is slidably inserted into the link.
According to , the link is provided with a sliding slot extending in a front-rear direction of the stroller, and the main seat body further includes a fixing portion fixedly provided on the seat post portion, the fixing portion being located in the sliding slot and being slidable in a longitudinal direction of the sliding slot.
According to , the sub-seat is also detachably connected to the rear frame, and is separated from the rear frame when the stroller is in a single use position and connected to the rear frame when the stroller is in a double use position.
According to aspects of the present invention, the pivot connection of the seat mechanism to the push bar is between the front and rear brackets.
According to aspects of the present invention, the pivotal connection of the seat structure to the front support is located below the pivotal connection of the rear support to the front support.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the child stroller capable of being converted by single or double persons has the advantages that the seat mechanisms are connected to the front support and the push rod in a rotating mode, the main seat and the auxiliary seat in the seat mechanisms are connected in a rotating mode, of the main seat and the auxiliary seat can be connected with the other seat in a turnover mode, and therefore the main seat and the auxiliary seat can be unfolded and arranged along the front-back direction of the stroller to enable the stroller to be in a double-person use state, or the auxiliary seat is located below the main seat to enable the stroller to be in a single-person use state, and therefore the child stroller can be conveniently switched between the single-person use state and the double-person use state.
Drawings
Fig. 1 is a perspective view of a stroller of embodiments of the present invention in use by a single person;
FIG. 2 is a side view of a stroller of embodiments of the present invention in use by a single person;
FIG. 3 is a schematic view, partially in section, of the connection of the primary seat and the secondary seat of the illustration of FIG. 2;
fig. 4 is a schematic side view of stroller embodiments of the present invention in a double use;
FIG. 5 is a schematic view, partially in section, of the connection of the primary seat and the secondary seat of the illustration of FIG. 4;
in the figure: 1. a front wheel assembly; 2. a rear wheel assembly; 3. a front bracket; 4. a rear bracket; 5. a push rod; 51. a lower push rod; 52. a push rod is arranged; 6. a main seat; 61. a connecting rod; 62. a seat post portion; 63. a fixed part; 7. a sub-seat; 71. an auxiliary seat body; 72. a connecting portion; 8. a chute; 9. a back rest rod; 10. a front pedal; 11. a rear pedal; 12. a drive member; 13. an arc-shaped slot; 14. a slider;
a. th rotating shaft, b, a second rotating shaft, c, a third rotating shaft, d, a fourth rotating shaft.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments of the specification:
as shown in fig. 1 to 5, the stroller of embodiments of the present invention includes a stroller frame in an unfolded state, a front wheel assembly 1, a rear wheel assembly 2, and a locking mechanism for locking the stroller frame in the unfolded state, wherein the stroller frame includes side frames symmetrically disposed at left and right sides of the stroller, each side frame includes a front frame 3 having the front wheel assembly 1 at the bottom, a rear frame 4 having the rear wheel assembly 2 at the bottom and rotatably connected to the front frame 3 through a -th rotating shaft a, and a push rod 5 rotatably connected to the rear frame 4 through a second rotating shaft b.
The stroller frame further comprises a seat mechanism arranged between the side brackets at two sides, the seat mechanism is rotatably connected to the front bracket 3 and the push rod 5 and comprises a main seat 6 and an auxiliary seat 7 rotatably connected with the main seat 6, of the main seat 6 and the auxiliary seat 7 can be connected with the other in a turnover mode, so that the stroller has a single-person use state and a double-person use state, when the stroller is in the double-person use state, the main seat 6 and the auxiliary seat 7 are unfolded and respectively arranged along the front-back direction of the stroller, and when the stroller is in the single-person use state, the auxiliary seat 7 is positioned below the main seat 6.
The front part of the main seat 6 is rotationally connected with the front brackets 3 on two sides through a third rotating shaft c, the rear part of the main seat is rotationally connected with the lower parts of the push rods 5 on two sides and the auxiliary seat 7 through a fourth rotating shaft d, the auxiliary seat 7 can also be rotationally connected with the rear part of the main seat 6 in a turnover mode, and when the cart is in a single-person use state, the auxiliary seat 7 is turned to the lower part of the main seat 6.
Referring to fig. 2 to 5, the th rotation shaft a is located above the third rotation shaft c on each side of the front frame 3, the th rotation shaft a is located above the second rotation shaft b on each side of the rear frame 4, the second rotation shaft b is located above the fourth rotation shaft d on each side of the push rod 5, and the fourth rotation shaft d is located between the front frame 3 and the rear frame 4 when the stroller frame is in the unfolded state.
In this example, the main seat 6 includes links 61 symmetrically disposed on both left and right sides of the cart, and a main seat body slidably disposed on the links 61 on both sides in the front-rear direction of the cart. The connecting rods 61 on the two sides are rotatably connected with the push rods 5 on the two sides and the two sides of the auxiliary seat 7 through a fourth rotating shaft d, and the main seat body is rotatably connected with the front support 3.
Referring to fig. 2 to 5, in the process of switching the stroller between the single use state and the double use state by tilting the sub-seat 7 back and forth about the fourth rotation axis d, the main seat body slides on the connecting rod 61 in the front and rear direction of the stroller, so that the distance between the front bracket 3 and the rear bracket 4 in the front and rear direction is increased or decreased to adapt to the length of the seat mechanism in the double use state or the length of the seat mechanism in the single use state, and the distance between the front wheel assembly 1 and the rear wheel assembly 2 in the front and rear direction of the stroller is changed accordingly, thereby maintaining the stable support of the entire stroller frame. Specifically, when the stroller is switched from the single-person use state to the double-person use state, the distance between the front wheel assembly 1 and the rear wheel assembly 2 along the front-back direction is increased from small to large; when the stroller is switched from a double use state to a single use state, the distance between the front wheel assembly 1 and the rear wheel assembly 2 along the front-back direction is reduced.
Referring to fig. 3 and 5, the seat mechanism further includes a driving member 12 connected between the main seat body and the sub-seat 7, and when the stroller is in the single-person use state, a connection point of the driving member 12 and the sub-seat 7 is located behind the fourth rotation axis d; when the stroller is used by two persons, the connection between the driving member 12 and the sub-seat 7 is located in front of the fourth rotating shaft d.
Arc wall 13 has been seted up along the circumferential direction of fourth pivot d on the sub-seat 7, it is provided with slider 14 to slide along its length direction in the arc wall 13, the both ends of driving piece 12 are connected with main seat body and slider 14 respectively, when the shallow switches to double user state by single user state, sub-seat 7 overturns around fourth pivot d and drives arc wall 13 and rotate to the place ahead that is located fourth pivot d by the rear that is located fourth pivot d, and then drive slider 14 and rotate to the place ahead that is located fourth pivot d by the rear that is located fourth pivot d, and when the shallow is single user state and double user state respectively, slider 7 is located the both ends of arc wall 14 respectively. In this embodiment, the sub-seat 7 includes a sub-seat body 71 and connecting portions 72 respectively fixed to two sides of the sub-seat body 71, the connecting portions 72 on each side are respectively rotatably connected to the connecting rod 61 and the push rod 5 through a fourth rotating shaft d, the connecting portions 72 on each side are opened with the arc-shaped grooves 13, the sliding members 14 are respectively disposed in the arc-shaped grooves 13, and the driving members 12 are respectively connected between the sliding members 14 on each side and the main seat body.
In this example, the main seat body includes seat rod portions 62 symmetrically disposed on both left and right sides of the cart, each side seat rod portion 62 extends in the front-rear direction of the cart and has its front end rotatably connected to the front bracket 3, the rear portion of each side link 61 is rotatably connected to the push rod 5 and the connecting portion 72 of the sub-seat 7, the link 61 has a hollow inner cavity extending in the front-rear direction of the cart, and the seat rod portions 62 are slidably inserted into the link 61.
The connecting rod 61 is further provided with a sliding chute 8 extending along the front-rear direction of the cart, the main seat body further comprises fixing parts 63 fixedly arranged on the seat rod parts 62 on the two sides respectively, and the fixing parts 63 on the two sides are respectively positioned in the sliding chute 8 and can slide along the length direction of the sliding chute 8.
Specifically, the two end portions of the driving member 12 may be fixedly connected to the fixing portion 63 and the sliding member 14, respectively.
The cart further comprises a back rest rod 9, wherein the lower end part of the back rest rod 9 is rotatably connected to the rear part of the main seat body, specifically, the back rest rod 9 is a U-shaped rod, and two end parts of the U-shaped rod are respectively rotatably connected to the main seat body.
In this example, in order to make the children go to the carriage more stably and safely in the double-person use state, two sides of the auxiliary seat 7 are also detachably connected with the rear supports 4 at two sides, and when the children go to the carriage in the single-person use state, the auxiliary seat 7 is separated from the rear supports 4; when the stroller is in a double use position, the auxiliary seat 7 is connected to the rear support 4.
The front brackets 3 on each side are arc-shaped rods which are bent upwards and backwards from the lower end parts of the arc-shaped rods.
The push rods 5 on each side comprise a lower push rod 51 and an upper push rod 52 arranged on the lower push rod 51 in a sliding manner along the length direction of the lower push rod 51, the seat mechanism is rotatably connected to the front bracket 3 and the lower push rod 51, the rear bracket 4 is rotatably connected with the lower push rod 51, the stroller frame also comprises push handle rods of which the two ends are respectively connected with the upper ends of the upper push rods 52 on the two sides, and in the embodiment, the upper push rods 52 on the two sides and the push handle rods can be composed of U-shaped rods.
In this example, the stroller further includes a front pedal 10 provided between lower portions of the front frames 3 on both sides and a rear pedal 11 provided between lower portions of the rear frames 4 on both sides.
As shown in fig. 2 and 3, the stroller is in a single-person use state, the sub-seat 7 is located below the main seat 6, the arc-shaped slot 13 and the sliding member 14 are respectively located behind the fourth rotating shaft d, and the sliding member 14 is located at the end of the arc-shaped slot 13, the fixing portion 63 of the main seat body is located at the rear end of the sliding slot 8, the sub-seat 7 is separated from the rear bracket 4, and the distance between the front wheel assembly 1 and the rear wheel assembly 2 in the front-rear direction is H1, when the stroller needs to be converted from the single-person use state to the double-person use state, the sub-seat 7 is turned backwards to be unfolded relative to the main seat 6, the sub-seat 7 rotates to drive the arc-shaped slot 13 to rotate around the fourth rotating shaft d, so that the sliding member 14 slides relatively from the end of the arc-shaped slot 13 to the other end of the arc-shaped slot 13 in the arc-shaped slot 13, when the sliding member 14 slides to the other end of the arc-shaped slot 13 relative to the sliding member, the sub-seat 7 is turned backwards, the sliding member 13, the sub-seat 13 continues to be turned over, the sub-seat 7, the sliding member 13 continues to rotate around the arc-wheel assembly 13, the sliding member 13 rotates around the fourth rotating shaft d, and the sliding member 14 is gradually, and the sliding member 13 is located between the front of the rear bracket is located between the sliding member 7 and the sliding member 13, and the sliding member is located in the front of the sliding slot 2, and the front of the sliding member is located in the sliding member 4, and the front of the sliding member 13, and the sliding member is located between the front of the sliding member 4, and the sliding of the sliding member is.
The single-person and double-person switching operation of the baby stroller is very simple, convenient and quick, and the whole stroller frame is also very simple.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
- The child stroller capable of being converted by one person or two persons comprises a stroller frame in an unfolded state, a front wheel assembly and a rear wheel assembly, wherein the stroller frame comprises a front support, a rear support, a push rod and a seat mechanism, the front support is provided with the front wheel assembly at the bottom, the rear support is provided with the rear wheel assembly at the bottom, the push rod is rotatably connected with the rear support, the seat mechanism is rotatably connected to the front support and the push rod, the seat mechanism comprises a main seat and an auxiliary seat, the auxiliary seat is rotatably connected with the main seat, of the main seat and the auxiliary seat can be connected with of the main seat and the auxiliary seat in a turnover mode, so that the stroller has a single-person use state and a double-person use state, when the stroller is in a double-person use state, the main seat and the auxiliary seat are unfolded and respectively arranged along the front-back direction of the stroller, and when the stroller is in the single-person use state, the auxiliary seat is positioned below the main seat.
- 2. The convertible stroller of claim 1, wherein: the front part of the main seat is rotationally connected with the front support, the rear part of the main seat is rotationally connected with the lower part of the push rod, the auxiliary seat can be rotationally connected with the rear part of the main seat in a turnover mode, and when the cart is in a single-person using state, the auxiliary seat is turned to the lower part of the main seat.
- 3. The convertible stroller as recited in claim 2, wherein said main seat comprises a link pivotally connected to said push rod and said auxiliary seat via a pivot shaft , and a main seat body slidably disposed on said link in a front-rear direction of said stroller, a front portion of said main seat body being pivotally connected to said front frame.
- 4. The convertible stroller of claim 3, wherein: the auxiliary seat is turned forwards and backwards around the pivot, so that in the process of converting the stroller between the single-person use state and the double-person use state, the main seat body slides on the connecting rod along the front-back direction of the stroller, and the distance between the front wheel assembly and the rear wheel assembly along the front-back direction is changed.
- 5. The convertible stroller of claim 4, wherein: the seat mechanism further comprises a driving piece connected between the main seat body and the auxiliary seat, and when the stroller is in a single-person use state, the connection position of the driving piece and the auxiliary seat is located behind the pivot; when the stroller is in a double-use state, the connecting position of the driving piece and the auxiliary seat is positioned in front of the pivot.
- 6. The convertible stroller of claim 5, wherein: the stroller is characterized in that an arc-shaped groove is formed in the auxiliary seat along the circumferential direction of the pivot, a sliding part is arranged in the arc-shaped groove in a sliding mode along the length direction of the arc-shaped groove, two ends of the driving part are connected with the main seat body and the sliding part respectively, when the stroller is switched from a single use state to a double use state, the auxiliary seat rotates around the pivot to further drive the sliding part to rotate to the front side of the pivot from the rear side of the pivot, and when the stroller is in the single use state and the double use state respectively, the sliding part is located at two end parts of the arc-shaped groove respectively.
- 7. The convertible stroller of claim 3, wherein: the main seat body comprises a seat rod part which is rotatably connected with the front support and extends in the front-back direction of the trolley, the rear part of the connecting rod is rotatably connected with the push rod and the auxiliary seat through the pivot, the connecting rod is provided with a hollow inner cavity extending in the front-back direction of the trolley, and the seat rod part is slidably inserted in the connecting rod.
- 8. The convertible stroller of claim 7, wherein: the main seat body further comprises a fixing part fixedly arranged on the seat rod part, and the fixing part is positioned in the sliding groove and can slide along the length direction of the sliding groove.
- 9. The convertible stroller of claim 2, wherein: the auxiliary seat is also detachably connected with the rear bracket, and when the trolley is in a single-person use state, the auxiliary seat is separated from the rear bracket; when the cart is in a double-person use state, the auxiliary seat is connected with the rear support.
- 10. The convertible stroller of any of claims , wherein the pivotal connection of the seat mechanism to the push bar is between the front and rear frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840570.4A CN110733550A (en) | 2019-09-06 | 2019-09-06 | child cart capable of being switched between single person and double persons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840570.4A CN110733550A (en) | 2019-09-06 | 2019-09-06 | child cart capable of being switched between single person and double persons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110733550A true CN110733550A (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840570.4A Pending CN110733550A (en) | 2019-09-06 | 2019-09-06 | child cart capable of being switched between single person and double persons |
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| Country | Link |
|---|---|
| CN (1) | CN110733550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276930A (en) * | 2021-04-14 | 2021-08-20 | 好孩子儿童用品有限公司 | Child stroller capable of being converted between single person and double persons |
-
2019
- 2019-09-06 CN CN201910840570.4A patent/CN110733550A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276930A (en) * | 2021-04-14 | 2021-08-20 | 好孩子儿童用品有限公司 | Child stroller capable of being converted between single person and double persons |
| CN113276930B (en) * | 2021-04-14 | 2022-08-02 | 好孩子儿童用品有限公司 | Child stroller capable of being switched between single person and double persons |
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