CN113734262A - Children article - Google Patents
Children article Download PDFInfo
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- CN113734262A CN113734262A CN202110890057.3A CN202110890057A CN113734262A CN 113734262 A CN113734262 A CN 113734262A CN 202110890057 A CN202110890057 A CN 202110890057A CN 113734262 A CN113734262 A CN 113734262A
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- China
- Prior art keywords
- rotating shaft
- rod
- support
- support rod
- relative
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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
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
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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
Abstract
The invention relates to a children article which comprises a base rod, a first support rod and a second support rod, wherein the first support rod and the second support rod are rotatably connected through a first rotating shaft, a second rotating shaft is further arranged among the first support rod, the second support rod and the base rod, the axial leads of the first rotating shaft and the second rotating shaft are arranged in parallel, a first linkage unit is arranged between the first support rod and the base rod, a second linkage unit is arranged between the second support rod and the base rod, the first linkage unit links the first support rod to rotate and approach around the first rotating shaft relative to the second support rod when the base rod rotates and approaches around the second rotating shaft relative to the second support rod, and the second linkage unit links the second support rod to rotate and approach around the first rotating shaft relative to the first support rod when the base rod rotates and approaches around the second rotating shaft relative to the first support rod. The invention realizes that the base rod rotates in different states and can link the first bracket rod and the second bracket rod to rotate, simplifies the operation steps, simplifies the structure of the children product and ensures that the whole children product is lighter.
Description
Technical Field
The invention relates to the field of children products, in particular to a children product.
Background
In the prior art, many children's products include a plurality of levers that rotate relative to each other to enable the transition between different states. Generally, if one rotary joint is connected with three or more rod pieces which are mutually and rotatably connected, the structural design of the rotary joint becomes complicated, and the rod pieces do not have linkage relation, and need to be respectively driven to rotate, so that the operation is complex, and the structure is complex.
Disclosure of Invention
The invention aims to solve the technical problem of providing a children article which is simple in structure and different rod pieces can rotate in a linkage manner to overcome the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a children article comprises a base rod, a first bracket rod and a second bracket rod, wherein the first bracket rod and the second bracket rod are rotationally connected through a first rotating shaft, a second rotating shaft is arranged among the first support rod, the second support rod and the base rod, the axial lead of the first rotating shaft and the axial lead of the second rotating shaft are arranged in parallel, a first linkage unit is arranged between the first support rod and the base rod, a second linkage unit is arranged between the second support rod and the base rod, the first linkage unit links the first support rod to rotate around the first rotating shaft to approach relative to the second support rod when the base rod rotates around the second rotating shaft to approach relative to the second support rod, the second linkage unit is used for linking the second support rod to rotate around the first rotating shaft to approach relative to the first support rod when the base rod rotates around the second rotating shaft to approach relative to the first support rod.
In some preferred and specific embodiments, the child product is a stroller, the stroller includes a stroller frame having a folded state and an unfolded state, a front wheel assembly disposed in front of the stroller frame bottom, and a rear wheel assembly disposed in rear of the stroller frame bottom, the stroller frame includes a push rod, a front bracket having the front wheel assembly disposed at a lower portion thereof, and a rear bracket having the rear wheel assembly disposed at a lower portion thereof, wherein the push rod constitutes the base rod, the front bracket constitutes the first bracket rod, the rear bracket constitutes the second bracket rod, when the base rod rotates around the second rotating shaft relative to the second bracket rod, the push rod rotates around the second rotating shaft relative to the rear bracket, and the first linkage unit links the front bracket to rotate around the first rotating shaft relative to the rear bracket; when the base rod rotates around the second rotating shaft relative to the first support rod, namely the push rod rotates around the second rotating shaft relative to the front support, the second linkage unit is linked with the rear support to rotate around the first rotating shaft relative to the front support.
The push rod has a forward using state and a reverse using state, the push frame has a first folding state after being folded from the forward using state of the push rod and a second folding state after being folded from the reverse using state of the push rod, when the push frame is folded from the forward using state of the push rod, the push rod rotates and draws close relative to the rear support, the first linkage unit links the front support and rotates and draws close relative to the rear support, and when the push frame is in the first folding state, the push rod and the rear support are positioned at the rear side of the front support in the front-rear direction; when the stroller frame is folded by the push rod in a reverse using state, the push rod rotates and draws close relative to the front support, the second linkage unit is linked with the rear support and rotates and draws close relative to the front support, and when the stroller frame is in a second folding state, the push rod and the front support are positioned on the front side of the rear support in the front-back direction.
According to some embodiments of the present invention, the first linkage unit includes a first pin shaft disposed on the base rod and a first sliding slot disposed on the first support rod, the first pin shaft is slidably and rotatably inserted into the first sliding slot, and an axial line of the first pin shaft is parallel to an axial line of the first rotating shaft or an axial line of the second rotating shaft; and/or the second linkage unit comprises a second pin shaft arranged on the base rod and a second chute arranged on the second support rod, the second pin shaft is inserted in the second chute in a sliding and rotating fit manner, and the axis of the second pin shaft is parallel to the axis of the first rotating shaft or the axis of the second rotating shaft.
In some embodiments, the first pin shaft is fixedly disposed on the base rod, a first avoidance groove is formed in a position of the first support rod corresponding to the first pin shaft along a rotation extending direction of the first pin shaft, and one end of the first avoidance groove is communicated with one end of the first sliding groove; and/or the second pin shaft is fixedly arranged on the base, a second avoidance groove is formed in the position, corresponding to the second pin shaft, of the second support rod along the rotating extending direction of the second pin shaft, and one end of the second avoidance groove is communicated with one end of the second sliding groove.
Furthermore, when the base rod rotates relative to the second support rod, the first pin shaft slides and rotates relatively in the first sliding groove, so that the first support rod is driven to rotate relative to the second support rod, and the second pin shaft slides in the second avoidance groove along the length direction of the second avoidance groove; when the base rod rotates relative to the first support rod, the second pin shaft slides and rotates relatively in the second sliding groove, so that the second support rod is driven to rotate relative to the first support rod, and the first pin shaft slides in the first avoiding groove along the length direction of the first avoiding groove.
Furthermore, on a plane perpendicular to the extending direction of the axis of the first rotating shaft, the center of the first pin shaft, the center of the second rotating shaft and the center of the second pin shaft are located on the same straight line, and in the extending direction of the axis of the first rotating shaft, the first pin shaft and the second pin shaft are also located on two sides of the base rod respectively; and/or the first sliding chute and the second sliding chute are respectively positioned above the first rotating shaft.
In some embodiments, the second rotating shaft is fixedly disposed on the base rod, an arc-shaped first limiting groove with the axis of the first rotating shaft as a center of a circle is formed in a position of the first bracket rod corresponding to the second rotating shaft, and an arc-shaped second limiting groove with the axis of the first rotating shaft as a center of a circle is formed in a position of the second bracket rod corresponding to the second rotating shaft.
Further, when the base rod rotates around the second rotating shaft relative to the second support rod, the second rotating shaft slides in the first limiting groove along the length direction of the first limiting groove, and the second rotating shaft is always abutted against one end of the second limiting groove; when the base rod rotates around the second rotating shaft relative to the first support rod, the second rotating shaft slides in the second limiting groove along the length direction of the second limiting groove, and the second rotating shaft is always abutted against one end of the first limiting groove.
According to some embodiments of the invention, the first shaft is located below the second shaft; and/or the first support rod and the second support rod are respectively positioned at two opposite sides of the base rod.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the children article, the first linkage unit is linked with the first support rod to rotate relative to the second support rod when the base rod rotates relative to the second support rod, the second linkage unit is linked with the second support rod to rotate relative to the first support rod when the base rod rotates relative to the first support rod, the base rod can rotate under different states and can be linked with the first support rod and the second support rod to rotate, operation steps are simplified, the design structure of the rotation connection part of the base rod, the first support rod and the second support rod is simple, the structure of the children article is simplified, and the whole children article is lighter.
Drawings
FIG. 1 is a schematic side view of a stroller in a deployed state (with the push rod in use) according to an exemplary embodiment of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic perspective view of a stroller according to an exemplary embodiment of the present invention in a deployed state (with the push rod in use in a forward direction);
FIG. 4 is a side view of a stroller in a semi-collapsed configuration (push bar in use) according to an exemplary embodiment of the present invention;
FIG. 5 is an enlarged view of the point B in FIG. 4;
FIG. 6 is a schematic perspective view of a stroller according to an exemplary embodiment of the present invention in a semi-folded state (with the push rod in use in a forward direction);
FIG. 7 is a side view of a stroller in a first collapsed configuration in accordance with an exemplary embodiment of the present invention;
FIG. 8 is an enlarged view of FIG. 7 at C;
fig. 9 is a perspective view of a stroller in a first folded state in accordance with an exemplary embodiment of the present invention;
FIG. 10 is a side view of a stroller in a deployed configuration (push bar reversed in use) in accordance with an exemplary embodiment of the present invention;
FIG. 11 is an enlarged view of FIG. 10 at D;
FIG. 12 is a schematic perspective view of a stroller according to an exemplary embodiment of the present invention in a deployed configuration (with the push rod in reverse use);
FIG. 13 is a side view of a stroller in a semi-collapsed configuration (push bar used in reverse) in accordance with an exemplary embodiment of the present invention;
FIG. 14 is an enlarged view of E in FIG. 13;
FIG. 15 is a schematic perspective view of a stroller according to an exemplary embodiment of the present invention in a semi-folded configuration (with the push rod in reverse use);
fig. 16 is a side view of a stroller in a second folded configuration (push bar in reverse use) in accordance with an exemplary embodiment of the present invention;
FIG. 17 is an enlarged view at F of FIG. 16;
fig. 18 is a schematic perspective view of a stroller according to an exemplary embodiment of the present invention in a second folded state (with the push rod in reverse use);
FIG. 19 is an exploded isometric view of a stroller in accordance with an exemplary embodiment of the present invention;
FIG. 20 is an exploded side view schematic illustration of a stroller in accordance with an exemplary embodiment of the present invention;
FIG. 21 is an enlarged view at G of FIG. 20;
fig. 22 is a schematic side view of the stroller with the seat frame in the unfolded state according to the exemplary embodiment of the present invention (the push rod is used in the forward direction and the seat frame is installed in the forward direction);
fig. 23 is a schematic perspective view of a stroller with a seat frame in an unfolded state according to an exemplary embodiment of the present invention (the push rod is used in a forward direction and the seat frame is installed in the forward direction);
fig. 24 is a side view schematically illustrating the structure of the baby stroller in a first folded state after the cradle is mounted thereon (the push rod is used in a forward direction and the cradle is mounted in a forward direction) according to the exemplary embodiment of the present invention;
fig. 25 is a schematic perspective view of a stroller with a first folded state after the cradle is mounted on the cradle according to the exemplary embodiment of the present invention (the push rod is used in the forward direction and the cradle is mounted in the forward direction);
fig. 26 is a schematic side view of the stroller with the docking stand in an unfolded state (with the push rod used in a reverse direction and the docking stand installed in a forward direction) according to the exemplary embodiment of the present invention;
fig. 27 is a schematic perspective view of the stroller in accordance with the exemplary embodiment of the present invention in an unfolded state after the cradle is mounted thereon (the push rod is used in a reverse direction and the cradle is mounted in a forward direction);
fig. 28 is a schematic side view of the stroller in a second folded state after the cradle is mounted thereon (with the push rod used in a reverse direction and the cradle mounted in a forward direction);
fig. 29 is a schematic perspective view of a stroller with a docking stand according to an exemplary embodiment of the present invention in a second folded state (the push rod is used in a reverse direction and the docking stand is installed in a forward direction);
fig. 30 is a schematic side view of the stroller with the docking stand installed and the stroller in an unfolded state according to the exemplary embodiment of the present invention (the push rod is used in a forward direction and the docking stand is installed in a reverse direction);
fig. 31 is a schematic perspective view of the stroller in an unfolded state after the cradle is mounted on the stroller (the push rod is used in a forward direction and the cradle is mounted in a reverse direction);
fig. 32 is a side view schematically illustrating the structure of the stroller in a first folded state after the cradle is mounted thereon (the push rod is used in a forward direction and the cradle is mounted in a reverse direction) according to the exemplary embodiment of the present invention;
fig. 33 is a schematic perspective view of a stroller with a first folded state after being mounted on a seat frame (with the push rod being used in a forward direction and the seat frame being mounted in a reverse direction) according to an exemplary embodiment of the present invention;
fig. 34 is a schematic side view of the stroller with the seat stand in the unfolded state according to the exemplary embodiment of the present invention (the push rod is used in the reverse direction and the seat stand is installed in the reverse direction);
fig. 35 is a schematic perspective view of the stroller with the seat frame in an unfolded state according to the exemplary embodiment of the present invention (the push rod is used in a reverse direction and the seat frame is installed in a reverse direction);
fig. 36 is a side view schematically illustrating the stroller according to the exemplary embodiment of the present invention in a second folded state after being mounted on the docking stand (with the push rod used in a reversed direction and the docking stand mounted in a reversed direction);
fig. 37 is a schematic perspective view of a stroller with a docking stand according to an exemplary embodiment of the present invention in a second folded state (the push rod is used in a reverse direction and the docking stand is mounted in a reverse direction);
in the figure: 100. a cart frame; 200. a stump frame is seated;
1. a push rod; 1a, a push rod body; 1b, a base; 2. a front bracket; 2a, a front bracket body; 2b, a first connecting seat; 3. a rear bracket; 3a, a rear bracket body; 3b, a second connecting seat; 4. a front wheel assembly; 5. a rear wheel assembly; 6. a first rotating shaft; 7. a second rotating shaft; 8. a first pin shaft; 9. a second pin shaft; 10. a first chute; 11. a second chute; 12. a first avoidance slot; 13. a second avoidance slot; 14. a first limit groove; 15. a second limit groove; p, a first intersection point; q, a second intersection point; m, a first end portion; n, a second end.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments in the following description:
referring to fig. 1 to 21, the children product includes a base rod, a first support rod and a second support rod, the base rod and the first support rod are rotatably connected to each other, the first support rod and the second support rod are rotatably connected to each other through a first rotating shaft 6, the first support rod and the second support rod are further rotatably connected to the base rod through a second rotating shaft 7, an axial line of the first rotating shaft 6 and an axial line of the second rotating shaft 7 are parallel to each other, a first linkage unit is disposed between the first support rod and the base rod, a second linkage unit is disposed between the second support rod and the base rod, the first linkage unit links the first support rod to rotate around the first rotating shaft 6 relative to the second support rod when the base rod rotates around the second rotating shaft 7 relative to the second support rod, and the second linkage unit links the second support rod to rotate around the first rotating shaft 6 relative to the first support rod when the base rod rotates around the second rotating shaft 7 relative to the first support rod.
In this embodiment, the children's products are exemplified by a stroller, the stroller includes a stroller frame 100 having a folded and unfolded state, a front wheel assembly 4 disposed in front of a bottom of the stroller frame 100, a rear wheel assembly 5 disposed in rear of the bottom of the stroller frame 100, and a locking mechanism for locking the stroller frame 100 in the unfolded state, the stroller frame 100 includes a push rod 1, a front frame 2 having the front wheel assembly 4 at a lower portion thereof, and a rear frame 3 having the rear wheel assembly 5 at a lower portion thereof, the push rod 1 forms a base rod, the front support 2 forms a first support rod, the rear support 3 forms a second support rod, when the base rod rotates around a second rotating shaft 7 relative to the second support rod, namely the push rod 1 rotates around the second rotating shaft 7 relative to the rear support 3, the first linkage unit links the first support rod to rotate around a first rotating shaft 6 relative to the second support rod, namely the first linkage unit links the front support 2 to rotate around the first rotating shaft 6 relative to the rear support 3; when the base rod rotates around the second rotating shaft 7 relative to the first support rod, namely the push rod 1 rotates around the second rotating shaft 7 relative to the front support 2, the second linkage unit is linked with the second support rod to rotate around the first rotating shaft 6 relative to the first support rod, namely the second linkage unit is linked with the rear support 3 to rotate around the first rotating shaft 6 relative to the front support 2.
The first linkage unit comprises a first pin shaft 8 arranged on the push rod 1 (namely the base rod) and a first chute 10 arranged on the front bracket 2 (namely the first bracket rod), the first pin shaft 8 is inserted in the first chute 10 in a sliding and rotating fit manner, and the axis of the first pin shaft 8 is parallel to the axis of the first rotating shaft 6 or the axis of the second rotating shaft 7; the second linkage unit comprises a second pin shaft 9 arranged on the push rod 1 (namely the base rod) and a second chute 11 arranged on the rear bracket 3 (namely the second bracket rod), the second pin shaft 9 is inserted in the second chute 11 in a sliding and rotating fit manner, and the axis of the second pin shaft 9 is parallel to the axis of the first rotating shaft 6 or the axis of the second rotating shaft 7.
In this embodiment, the push rod 1 includes a push rod body 1a and a base 1b fixedly disposed at a lower end of the push rod body 1a, the front bracket 2 includes a front bracket body 2a having a front wheel assembly 4 at a lower end thereof and a first connecting seat 2b fixedly disposed at an upper end of the front bracket body 2a, and the rear bracket 3 includes a rear bracket body 3a having a rear wheel assembly 5 at a lower end thereof and a second connecting seat 3b fixedly disposed at an upper end of the rear bracket body 3 a. On the left and right directions of children's shallow, first connecting seat 2b, base 1b, second connecting seat 3b set gradually, so, rotation between the two of first connecting seat 2b, second connecting seat 3b is mutual noninterference.
Referring to fig. 21, a first pin 8 is fixedly disposed on a base 1b, a first sliding groove 10 is formed in a first connecting seat 2b, a first avoidance groove 12 is formed in a position, corresponding to the first pin 8, of the first connecting seat 2b along a rotation extending direction of the first pin 8, the first avoidance groove 12 is used for avoiding the first pin 8, one end of the first avoidance groove 12 is communicated with one end of the first sliding groove 10, and a connection point where the first avoidance groove 12 is connected with the first sliding groove 10 is marked as a first intersection point P; the second pin shaft 9 is fixedly arranged on the base 1b, the second sliding groove 11 is formed in the second connecting seat 3b, a second avoiding groove 13 is formed in the position, corresponding to the second pin shaft 9, of the second connecting seat 3b along the rotating extending direction of the second pin shaft 9, the second avoiding groove 13 is used for avoiding the second pin shaft 9, one end of the second avoiding groove 13 is communicated with one end of the second sliding groove 11, and the joint where the second avoiding groove 13 is connected with the second sliding groove 11 is marked as a second intersection point Q. When the push rod 1 rotates relative to the rear bracket 3, the first pin shaft 8 slides and rotates relatively in the first sliding groove 10, so that the front bracket 2 is driven to rotate relative to the rear bracket 3, and the second pin shaft 9 slides in the second avoidance groove 13 along the length direction of the second avoidance groove 13; when the push rod 1 rotates relative to the front bracket 2, the second pin 9 slides and rotates relatively in the second sliding groove 11, so as to drive the rear bracket 3 to rotate relative to the front bracket 2, and the first pin 8 slides in the first avoidance groove 12 along the length direction of the first avoidance groove 12.
In the extending direction of the axis of the first rotating shaft 6, the first connecting seat 2b, the base 1b and the second connecting seat 3b are sequentially arranged, the second rotating shaft 7 penetrates and is fixedly arranged on the base 1b, and in the extending direction of the axis of the first rotating shaft 6, the first pin shaft 8 is positioned on one side of the base 1b, and the second pin shaft 9 is positioned on the second side of the base 1 b; the first pin shaft 8 and the second pin shaft 9 are also respectively positioned at two sides of the second rotating shaft 7; the first sliding chute 10, the second sliding chute 11, the first avoidance groove 12 and the second avoidance groove 13 are respectively positioned above the first rotating shaft 6; the first rotating shaft 6 is located below the second rotating shaft 7.
An arc-shaped first limiting groove 14 which takes the axis of the first rotating shaft 6 as the center of a circle is arranged on the first connecting seat 2b corresponding to the second rotating shaft 7, the first limiting groove 14 is intersected with a first avoidance groove 12, the intersection point is positioned above a first intersection point P, the first limiting groove 14 is provided with a first end part M, and the first avoidance groove 12 is an arc-shaped groove which takes the center of the first end part M as the center of a circle; an arc-shaped second limiting groove 15 taking the axis of the first rotating shaft 6 as the center of a circle is formed in the position, corresponding to the second rotating shaft 7, of the second connecting seat 3b, the second limiting groove 15 is intersected with the second avoiding groove 12, the intersection point is located above the second intersection point Q, the second limiting groove 15 is provided with a second end portion N, and the second avoiding groove 13 is an arc-shaped groove formed by taking the center of the second end portion N as the center of a circle.
When the push rod 1 rotates relative to the rear bracket 3, the second rotating shaft 7 slides in the first limiting groove 14 along the length direction of the first limiting groove 14, and the second rotating shaft 7 always abuts against one end part of the second limiting groove 15, namely the second rotating shaft 7 always abuts against the second end part N of the second limiting groove 15; when the push rod 1 rotates relative to the front bracket 2, the second rotating shaft 7 slides in the second limiting groove 15 along the length direction of the second limiting groove 15, and the second rotating shaft 7 always abuts against one end of the first limiting groove 14, i.e., the second rotating shaft 7 always abuts against the first end M of the first limiting groove 14.
In this example, the lock mechanism for locking the stroller frame in the unfolded state is not a design point of the present invention, and the conventional art can be adopted, and the present invention is not limited thereto.
The working principle of the baby stroller is as follows:
referring to fig. 1 to 3, the stroller is in an unfolded state and the push rod 1 is in a forward use state, the push rod 1, the front support 2 and the rear support 3 are unfolded relatively, the push rod 1 is inclined and extended from bottom to top along the front-rear direction of the stroller, the second rotating shaft 7 is respectively located at the first end M of the first limiting groove 14 and the second end N of the second limiting groove 15, the first rotating shaft, the second rotating shaft and the third rotating shaft are abutted against each other, the first pin shaft 8 is located at the intersection of the first sliding groove 10 and the first avoidance groove 12, namely the first pin shaft 8 is located at the first intersection point P, and the second pin shaft 9 is located in the second avoidance groove 13.
When the child stroller needs to be folded, the locking mechanism is unlocked, the push rod 1 is pressed downwards and drives the push rod 1 to rotate around the second rotating shaft 7 to approach the rear bracket 3, referring to fig. 4-6, during the rotation process, the second rotating shaft 7 slides in the first limiting groove 14 along the length direction of the first limiting groove 14 and the second rotating shaft 7 always abuts against the second end portion N of the second limiting groove 15, the first pin shaft 8 slides downwards into the first sliding groove 10 from the position of the first intersection point P and abuts against the side wall of the first sliding groove 10 and rotates relatively, so as to drive the first connecting seat 2b to rotate around the first rotating shaft 6 relative to the second connecting seat 3b, namely, the front bracket 2 rotates around the first rotating shaft 6 relative to the rear bracket 3 to approach, the second pin shaft 9 slides in the second avoiding groove 13 along the length direction of the second avoiding groove 13, namely, when the push rod 1 rotates relative to the rear bracket 3 to approach, the front bracket 2 rotates to approach the rear bracket 3, and finally, folding is finished. After the folding is completed, referring to fig. 7 to 9, the stroller is in the first folding state, the push rod 1 and the rear bracket 3 are located at the rear side of the front bracket 2 in the front-rear direction, and the push rod 1 is located behind the rear bracket 3. When the child stroller is unfolded, the opposite operation is adopted, namely the push rod 1 is upwards rotated and unfolded relative to the rear support 3, the linkage front support 2 is rotated and unfolded relative to the rear support 3 until the child stroller is completely unfolded, then the locking mechanism is locked, the unfolding is completed, and the operation is very simple and convenient.
When the stroller is in the unfolded state and the push rod 1 needs to be reversed, if the push rod 1 is used in the forward direction and the reverse direction, the locking mechanism only needs to be unlocked, the push rod 1 rotates around the second rotating shaft 7 towards the front support 2 close to the stroller, during the rotating process, the second rotating shaft 7 is always located at the first end portion M of the first limiting groove 14, the second end portion N of the second limiting groove 15 and the three are abutted, the first pin shaft 8 rotates into the first avoiding groove 12, the second pin shaft 9 rotates in the second avoiding groove 13 to the intersection of the second avoiding groove 13 and the second sliding groove 11, namely the second pin shaft 9 rotates to the position of the second intersection point Q, the locking mechanism is locked, and the push rod 1 is reversed, as shown in fig. 10-12.
When the stroller with the push rod 1 in the reverse use state needs to be folded, the locking mechanism is unlocked, the push rod 1 is pressed downwards and drives the push rod 1 to rotate around the second rotating shaft 7 to approach the front bracket 2, as shown in fig. 13-15, during the rotation process, the second rotating shaft 7 slides in the second limiting groove 15 along the length direction of the second limiting groove 15 and the second rotating shaft 7 always abuts against the first end M of the first limiting groove 14, the second pin shaft 9 slides downwards from the position of the second intersection point Q into the second sliding groove 11 and abuts against the side wall of the second sliding groove 11 and rotates relatively, so as to drive the second connecting seat 3b to rotate around the first rotating shaft 6 relative to the first connecting seat 2b, that is, the rear bracket 3 rotates around the first rotating shaft 6 relative to the front bracket 2 to approach, the first pin shaft 8 slides in the first avoiding groove 12 along the length direction of the first avoiding groove 12, that is, when the push rod 1 rotates relative to approach the front bracket 2, the linkage rear bracket 3 rotates towards the front bracket 2 to get close, and finally folding is finished. After the folding is completed, referring to fig. 16 to 18, the stroller is in the second folded state, the push rod 1 and the front bracket 2 are located at the front side of the rear bracket 3 in the front-rear direction, and the push rod 1 is located in front of the front bracket 2. When the stroller is unfolded, the opposite operation is adopted, namely the push rod 1 is upwards rotated and unfolded relative to the front support 2, the linkage rear support 3 is rotated and unfolded relative to the front support 2 until the stroller is completely unfolded, then the locking mechanism is locked, the unfolding is completed, and the operation is very simple and convenient.
Referring to fig. 22 to 37, the seat pocket 200 can be further installed on the stroller, the seat pocket 200 can be folded and unfolded, the seat pocket 200 can be further installed in a forward direction and installed in a reverse direction, the push rod 1 can be reversed and the stroller can be folded regardless of whether the seat pocket 200 is installed in the forward direction or the reverse direction, and the folding of the stroller is not interfered by the seat pocket 200.
Specifically, as shown in fig. 22 to 23, the push rod 1 is used in the forward direction, the seat pocket frame 200 is installed in the forward direction, when the stroller frame 100 needs to be folded, the push rod 1 is pressed downward and the push rod 1 rotates and draws close relative to the rear support 3, the front support 2 is linked to rotate and draws close to the rear support 3, the stroller frame 100 is finally folded, meanwhile, the backrest rod of the seat pocket frame 200 is folded in the direction close to the front support 2, and the folded stroller is shown in fig. 24 to 25.
Referring to fig. 26 to 27, the push rod 1 is used in a reverse direction, the seat pocket 200 is installed in a forward direction, when the stroller frame 100 needs to be folded, the push rod 1 is unlocked, the push rod 1 is pressed downward and rotates relative to the front support 2, the rear support 3 is linked to rotate towards the front support 2, the stroller frame 100 is folded, meanwhile, the back rod of the seat pocket 200 is turned over towards the direction close to the front support 2 to fold the seat pocket 200, and the folded stroller is as shown in fig. 28 to 29.
Referring to fig. 30 to 31, the push rod 1 is used in the forward direction, the seat pocket frame 200 is installed in the reverse direction, when the stroller frame 100 needs to be folded, the push rod 1 is pressed downward to enable the push rod 1 to rotate and approach to the rear support 3, the front support 2 is linked to rotate and approach to the rear support 3, the stroller frame 100 is finally folded, meanwhile, the backrest rod of the seat pocket frame 200 is turned over towards the direction close to the rear support 3 to fold the seat pocket frame 200, and the folded stroller is as shown in fig. 32 to 33.
Referring to fig. 34 to 35, the push rod 1 is used in a reverse direction, the seat pocket frame 200 is installed in a reverse direction, when the stroller frame 100 needs to be folded, the push rod 1 is pressed downward to enable the push rod 1 to rotate and approach to the front support frame 2, the rear support frame 3 is linked to rotate and approach to the front support frame 2, the stroller frame 100 is finally folded, meanwhile, the backrest rod of the seat pocket frame 200 is turned over towards the direction close to the rear support frame 3 to fold the seat pocket frame 200, and the folded stroller is as shown in fig. 36 to 37.
In a word, through the arrangement, the stroller can be folded and unfolded in a linkage manner when the push rod 1 is used in the forward direction and the reverse direction, and the push rod 1 can be pushed when the push rod 1 is used in the forward direction and the reverse direction. The seat pocket frame 200 is assembled on the stroller frame 100, the seat pocket frame 200 can also be installed in the forward direction and the reverse direction, and when the stroller frame 100 is folded, the seat pocket frame 200 can be installed in the forward direction and the reverse direction, so that the folding of the stroller frame 100 is not influenced.
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)
1. The utility model provides a children's articles for use, includes base rod, first cradling piece and second cradling piece, its characterized in that: the first support rod and the second support rod are connected in a rotating mode through a first rotating shaft, a second rotating shaft is further arranged between the first support rod and the second support rod and between the base rod, the axial lead of the first rotating shaft and the axial lead of the second rotating shaft are arranged in parallel, a first linkage unit is arranged between the first support rod and the base rod, a second linkage unit is arranged between the second support rod and the base rod, the first linkage unit is used for linking the first support rod to the second support rod to move close around the first rotating shaft when the base rod moves close around the second rotating shaft relative to the second support rod, and the second linkage unit is used for linking the second support rod to move close around the first rotating shaft relative to the first support rod when the base rod moves close around the second rotating shaft relative to the first support rod.
2. The children's product of claim 1, wherein: the children product is a children cart, the children cart comprises a cart frame in a folding and unfolding state, a front wheel assembly arranged in front of the cart frame bottom and a rear wheel assembly arranged in rear of the cart frame bottom, the cart frame comprises a push rod, a front support with the front wheel assembly arranged at the lower part and a rear support with the rear wheel assembly arranged at the lower part, the push rod forms the base rod, the front support forms the first support rod, the rear support forms the second support rod, when the base rod rotates around the second rotating shaft relative to the second support rod, the push rod rotates around the second rotating shaft relative to the rear support, and the first linkage unit links the front support to rotate around the first rotating shaft relative to the rear support; when the base rod rotates around the second rotating shaft relative to the first support rod, namely the push rod rotates around the second rotating shaft relative to the front support, the second linkage unit is linked with the rear support to rotate around the first rotating shaft relative to the front support.
3. The children's article of claim 2, wherein: the push rod has a forward using state and a reverse using state, the push frame has a first folding state after being folded from the forward using state of the push rod and a second folding state after being folded from the reverse using state of the push rod, when the push frame is folded from the forward using state of the push rod, the push rod rotates and draws close relative to the rear support, the first linkage unit links the front support to rotate and draw close relative to the rear support, and when the push frame is in the first folding state, the push rod and the rear support are positioned at the rear side of the front support in the front-rear direction; when the stroller frame is folded by the push rod in a reverse using state, the push rod rotates and draws close relative to the front support, the second linkage unit is linked with the rear support and rotates and draws close relative to the front support, and when the stroller frame is in a second folding state, the push rod and the front support are positioned on the front side of the rear support in the front-back direction.
4. A children's article according to any one of claims 1 to 3, wherein: the first linkage unit comprises a first pin shaft arranged on the base rod and a first chute arranged on the first support rod, the first pin shaft is inserted in the first chute in a sliding and rotating fit manner, and the axis of the first pin shaft is parallel to the axis of the first rotating shaft or the axis of the second rotating shaft; and/or the second linkage unit comprises a second pin shaft arranged on the base rod and a second chute arranged on the second support rod, the second pin shaft is inserted in the second chute in a sliding and rotating fit manner, and the axis of the second pin shaft is parallel to the axis of the first rotating shaft or the axis of the second rotating shaft.
5. The children's article of claim 4, wherein: the first pin shaft is fixedly arranged on the base rod, a first avoidance groove is formed in the position, corresponding to the first pin shaft, of the first support rod along the rotation extending direction of the first pin shaft, and one end of the first avoidance groove is communicated with one end of the first sliding groove; and/or the second pin shaft is fixedly arranged on the base, a second avoidance groove is formed in the position, corresponding to the second pin shaft, of the second support rod along the rotating extending direction of the second pin shaft, and one end of the second avoidance groove is communicated with one end of the second sliding groove.
6. The children's article of claim 5, wherein: when the base rod rotates relative to the second support rod, the first pin shaft slides and rotates relatively in the first sliding groove, so that the first support rod is driven to rotate relative to the second support rod, and the second pin shaft slides in the second avoidance groove along the length direction of the second avoidance groove; when the base rod rotates relative to the first support rod, the second pin shaft slides and rotates relatively in the second sliding groove, so that the second support rod is driven to rotate relative to the first support rod, and the first pin shaft slides in the first avoiding groove along the length direction of the first avoiding groove.
7. The children's article of claim 4, wherein: on a plane perpendicular to the extending direction of the axis of the first rotating shaft, the center of the first pin shaft, the center of the second rotating shaft and the center of the second pin shaft are positioned on the same straight line, and in the extending direction of the axis of the first rotating shaft, the first pin shaft and the second pin shaft are also respectively positioned on two sides of the base rod; and/or the first sliding chute and the second sliding chute are respectively positioned above the first rotating shaft.
8. The children's article of claim 4, wherein: the second rotating shaft is fixedly arranged on the base rod, an arc-shaped first limiting groove with the axis of the first rotating shaft as the center of a circle is formed in the position, corresponding to the second rotating shaft, of the first support rod, and an arc-shaped second limiting groove with the axis of the first rotating shaft as the center of a circle is formed in the position, corresponding to the second rotating shaft, of the second support rod.
9. The children's article of claim 8, wherein: when the base rod rotates around the second rotating shaft relative to the second support rod, the second rotating shaft slides in the first limiting groove along the length direction of the first limiting groove, and the second rotating shaft is always abutted against one end part of the second limiting groove; when the base rod rotates around the second rotating shaft relative to the first support rod, the second rotating shaft slides in the second limiting groove along the length direction of the second limiting groove, and the second rotating shaft is always abutted against one end of the first limiting groove.
10. A children's article according to any one of claims 1 to 3, wherein: the first rotating shaft is positioned below the second rotating shaft; and/or the first support rod and the second support rod are respectively positioned at two opposite sides of the base rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110890057.3A CN113734262B (en) | 2021-08-04 | 2021-08-04 | Children article |
| PCT/CN2022/099295 WO2023011017A1 (en) | 2021-08-04 | 2022-06-17 | Rotating joint and child product having rotating joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890057.3A CN113734262B (en) | 2021-08-04 | 2021-08-04 | Children article |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011017A1 (en) * | 2021-08-04 | 2023-02-09 | 好孩子儿童用品有限公司 | Rotating joint and child product having rotating joint |
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| WO2023011017A1 (en) * | 2021-08-04 | 2023-02-09 | 好孩子儿童用品有限公司 | Rotating joint and child product having rotating joint |
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|---|---|
| CN113734262B (en) | 2022-09-06 |
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