Disclosure of Invention
Technical problem
The invention aims to provide a baby carriage capable of semi-automatically folding without complicated operation.
Technical scheme
According to an embodiment of the present invention, there is provided a foldable stroller including: the main body part, the handle bracket, the connecting bracket and the lower bracket are sequentially and rotatably connected to form a frame from top to bottom; a lower body support part rotatably connected to the connection bracket for supporting the lower body; a backrest part connected with the lower body support part for supporting the back of the user; a backrest adjusting part located at an upper side of the backrest part; a cable adjusting part connected with the lower body supporting part and the backrest part; one end of the first cable is connected to the cable adjusting part, and the other end of the first cable is connected to the supporting rod of the connecting bracket; and a second cable having one end connected to the cable adjusting part and the other end connected to the backrest adjusting part, wherein the foldable stroller is folded when the first cable is pulled to a rear side lower side and the second cable is pulled to an upper side.
In addition, in the body part, the handle bracket is formed to be bent, and one end and the other end are formed at both sides to be spaced apart from and face each other, the connection brackets are rotatably connected to both ends of the handle bracket, respectively, and a lower part is formed to be bent toward the front, and further includes the support bar connecting both sides, the lower bracket being connected to a lower end of the connection bracket and extending toward the front.
In addition, the main body portion includes: side brackets positioned at both sides of the user's body and having upper ends rotatably connected to the handle brackets; a first wheel bracket rotatably connected to a lower end of the side bracket and connected to a front wheel; and a second wheel bracket rotatably coupled to a lower end of the side bracket and coupled to the rear wheel.
In addition, the lower body support part includes: first lower body brackets which are respectively positioned at both sides to support the lower body, and the rear part of which is fastened at the cable adjusting part; a second lower body support, both ends of which are connected in front of the side supports at both sides; and the upper end of the adjusting bracket is connected with the rear end part of the first lower body bracket, and the lower end of the adjusting bracket is connected with the lower part of the connecting bracket and comprises adjusting teeth for accommodating the supporting rod.
Further, when the handle bracket is rotated forward and lowered downward at the same time, the upper end of the connecting bracket connected to the lower end of the handle bracket moves rearward and is lowered, the lower end of the connecting bracket moves rearward and is raised as the upper end of the connecting bracket moves rearward and is lowered, and the first wheel bracket is pulled rearward as the lower end of the connecting bracket moves rearward and is raised.
Further, as the upper end of the connecting bracket moves backward and descends, the lower end of the adjusting bracket connected to the connecting bracket moves backward, the support rod and the adjusting bracket are spaced apart from each other, and as the rear end of the adjusting bracket moves backward, the first lower body bracket connected to the upper end of the adjusting bracket moves forward.
In addition, as the handle bracket descends to drive the upper end of the connecting bracket to move backward and descend, the first cable connected to the connecting bracket is pulled to the lower rear side, and as the upper end of the adjusting bracket moves forward, the first lower body bracket connected to the upper end of the adjusting bracket moves forward, and the second cable is pulled forward, thereby completing the folding.
Advantageous effects
According to the embodiment of the invention, semi-automatic folding can be realized without a separate folding process.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. These are merely examples and the present invention is not limited thereto.
In describing the present invention, detailed descriptions of well-known technologies related to the present invention will be omitted when they may obscure the gist of the present invention. Also, a plurality of terms described later are defined based on the functions in consideration of the present invention, and may be changed according to the intention of a user, a convention, or the like. Therefore, the definition should be made based on the contents of the entire specification.
The technical idea of the present invention is defined by the claims, and the following examples are only means for effectively explaining the technical idea of the present invention to those skilled in the art.
Fig. 1 is a view showing a foldable stroller 1 according to an embodiment of the present invention, fig. 2 is a view showing a backrest part 30 according to an embodiment of the present invention, fig. 3 is a view showing a cross-section of a cable adjusting part 50 according to an embodiment of the present invention, and fig. 4 is an exploded view of the cable adjusting part 50 according to an embodiment of the present invention.
Referring to fig. 1 to 4, the foldable stroller 1 may include a main body 10, a folding button 20, a backrest 30, a backrest adjusting part 40, a cable adjusting part 50, a first cable 61, a second cable 62, a lower body support part 70, a table 81, a step 82, and a support stand 83.
The main body 10 can form a frame constituting the overall shape of the stroller.
The main body part 10 may include a handle bracket 11, a connection bracket 12, a lower bracket 13, a side bracket 14, a first wheel bracket 15, and a second wheel bracket 16. At this time, the respective structures can be rotatably connected to each other. As an example, the portions where the respective structures are connected to each other may be formed with a hinge, a connector, or the like, so that the respective structures are rotatably connected to each other.
The handle bracket 11, the connecting bracket 12, and the lower bracket 13 can be rotatably connected in this order to form a top-down frame. The side frames 14 can form a frame on both sides, and the first wheel frame 15 and the second wheel frame 16 are attached to the wheels.
The handle support 11 is a part for the guardian to hold the stroller. That is, the handle holder 11 can be formed in a height and a shape that the guardian can hold.
The
handle bracket 11 may be formed to be bent, and one end and the other end are formed at both sides in a spaced and facing manner to each other. One end of the
handle bracket 11 is positioned at the left side and the other end is positioned at the right side. That is, the
handle holder 11 is formed so as to be
The shape is rotated 90 degrees clockwise.
In the present invention, the table 81 side facing the front of the user when the user is seated on the stroller is defined as the front, and the handle holder 11 side is defined as the rear.
The connection brackets 12 are rotatably connected to both ends of the handle bracket 11, respectively. Specifically, the connecting brackets 12 are respectively connected to the left and right side ends of the handle bracket 11. The connecting bracket 12 is formed in a shape in which a lower portion thereof is bent forward.
The upper end of the connecting bracket 12 is connected to the handle bracket 11, and the lower end of the connecting bracket 12 bent toward the front is connected to the lower bracket 13.
The lower bracket 13 can connect the connecting bracket 12 and the first wheel bracket 15. Specifically, the lower bracket 13 is connected to a lower end of the connecting bracket 12, and extends forward to be connected to the first wheel bracket 15. In addition, the lower holder 13 is connected to the connecting holders 12 on both sides, respectively.
The side brackets 14 are positioned on both sides of the user's body to protect the user on both sides of the user's body. The side bracket 14 may be connected to the handle bracket 11 and the first wheel bracket 15. Specifically, the upper end of the side bracket 14 is rotatably coupled to the side of the handle bracket 11 at a predetermined height, and the lower end of the side bracket 14 is rotatably coupled to the upper end of the first wheel bracket 15.
The first wheel bracket 15 is rotatably coupled to the lower end of the side bracket 14 and is coupled to the front wheel. A second wheel bracket 16 is rotatably connected to the lower end of the side bracket 14 and is connected to the rear wheel.
That is, the upper end of the first wheel bracket 15, the upper end of the second wheel bracket 16, and the lower end of the side bracket 14 are rotatably connected to a point.
The folding button 20 may be formed at the handle holder 11. The folding button 20 is formed at a portion that the user can hold so that the guardian can press the button.
The folding button 20 is connected to an inner cable inside the handle holder 11, and when the folding button 20 is pressed, the inner cable is driven to release the fixed state between the handle holder 11 and the connection holder 12. The fixed state of the handle bracket 11 and the connecting bracket 12 is a state in which the foldable stroller 1 is unfolded, and a state in which the lower portion of the handle bracket 11 and the upper portion of the connecting bracket 12 are aligned. In contrast, the released state of the fixation of the handle bracket 11 and the connecting bracket 12 is a state in which the foldable stroller 1 is folded, and is a state in which the lower portion of the handle bracket 11 and the upper portion of the connecting bracket 12 are folded at a predetermined angle.
The backrest portion 30 is a portion for supporting the back of the user.
The backrest part 30 is located between the connecting brackets 12 on both sides, and is formed along the longitudinal direction from the handle bracket 11 to the connecting brackets 12. That is, the upper portion of the backrest portion 30 is positioned between both sides of the lower portion of the handle holder 11, and the lower portion of the backrest portion 30 is positioned between both sides of the upper portion of the connecting holder 12.
The backrest portion 30 may include a back plate bracket 31 and a connecting bar 32.
The
back plate holder 31 is formed to be bent, and one end and the other end are formed at both sides in a spaced and facing manner. One end of the
back plate bracket 31 is positioned at the left side and the other end is positioned at the right side. That is, the
back plate holder 31 is formed to
The shape is rotated 90 degrees clockwise.
At this time, the back plate bracket 31 may be formed to be smaller than the handle bracket 11 so as to be located inside the handle bracket 11.
The connection rod 32 can connect both sides of the backboard bracket 31 to improve durability of the backboard bracket 31, and can support the user's back so as not to fall backward when the user leans against the back. In addition, a backrest adjusting portion 40 may be provided at the connecting rod 32.
The backrest adjusting part 40 is connected to an upper side of the backrest part 30 and is connected to a second cable 62. Specifically, the backrest adjusting part 40 is provided on the connecting rod 32 to fix the other end of the second cable 62. Since the backrest adjustment unit 40 fixes the other end of the second cable 62 in a state of being provided to the connecting rod 32 of the backrest 30, when the second cable 62 is pulled, the backrest adjustment unit 40 is also pulled, and the backrest 30 is pulled.
The cable adjusting part 50 is connected to the lower body support part 70 and connected to the first and second cables 61 and 62. Specifically, the cable adjustor 50 may be fixed to a rear end of the first lower body support 71 of the lower body support. One ends of the first cable 61 and the second cable 62 are fixed to the cable adjusting portion 50.
Referring to fig. 3 and 4, the cable adjusting portion 50 includes an internal gear cover 51, a fixing portion 52, a gear 53, a spring 54, a fixing plate 55, an external gear cover 56, and a fastener 57.
The inner gear cover 51 includes a first inlet 511 and a second inlet 512. One end of each of the first and second cables 61 and 62 can be inserted through the first and second inlets 511 and 512.
The fixing part 52 may be coupled in a manner of surrounding the first and second inlets 511 and 512 of the inner gear cover 51 to improve a fixing force of the first and second cables 61 and 62 inserted into the first and second inlets 511 and 512.
The gear 53 is inserted into the inner gear cover 51 to fix one end portions of the first and second cables 61 and 62. The gear 53 can move from side to side inside the internal gear cover 51 in a state where the first and second cables 61 and 62 are fixed.
The spring 54 is inserted inside the internal gear cover 51 and is located between the first and second inlets 511 and 512 of the internal gear cover 51 and the gear 53. The spring 54 provides an elastic force to the gear 53.
Specifically, when a force pulling the first and second cables 61 and 62 to the outside of the internal gear cover 51 is generated, the spring 54 is compressed, and the gear 53 moves toward the first and second inlets 511 and 512 sides of the internal gear cover 51. Thereafter, when the force pulling the first and second cables 61 and 62 to the outside disappears, the spring 54 returns to the state before being compressed, whereby the gear 53 also moves in the direction away from the first and second inlets 511 and 512.
The fixing plate 55 can fix the external gear cover 56 and the gear 53.
The outer gear cover 56 is fixed to the opposite side of the first and second inlets 511 and 512 of the inner gear cover 51. A first lower body bracket 71 is fixed to the outer gear cover 56.
The plurality of structures and the first lower body bracket 71 can be fastened by the fastening member 57.
The lower body support 70 is connected with the cable adjusting part 50 to support the lower body. The lower body support 70 includes a first lower body support 71, a second lower body support 72, and an adjustment bracket 73.
The first lower body brackets 71 are respectively located at both sides to support the lower body, and the cable adjusting part 50 is fastened at the rear portion thereof.
Both ends of the second lower body support 72 are connected in front of the side supports 14 on both sides.
The upper end of the adjustment bracket 73 is connected to the rear end of the first lower body bracket 71, and the lower end thereof is connected to the lower portion of the connection bracket 12. The adjustment bracket 73 is formed with adjustment teeth 731 for accommodating the support bar 121.
The table 81 is connected to the steps 82, and a user can get on the hand or place an article, and is positioned in front of the user to protect the front of the user.
The step 82 is attached to the second lower body support 72 and the user can get on and off the lower body. The pedal 82 is rotatably connected to the second lower body bracket 72.
The support table 83 is connected to the lower holder 13 and can hold other objects.
Fig. 5 to 7 are views showing a process of folding the foldable stroller 1 according to the embodiment of the present invention, and fig. 8 and 9 are views showing an operation of a cable according to the embodiment of the present invention.
Referring to fig. 5 to 9, the state before folding is a state in which the handle holder 11 is tilted rearward.
In this state, when the folding button 20 is pressed to fold the foldable stroller 1, the handle bracket 11 is rotated forward and lowered downward.
The upper end of the link bracket 12 rotatably connected to the lower end of the handle bracket 11 moves backward and descends, and the lower end of the link bracket 12, the lower end of which is bent forward, moves backward and ascends as the upper end of the link bracket 12 moves backward and descends. As the lower end of the linking bracket 12 moves rearward and rises, the first wheel bracket 15 to which the front wheel is linked is pulled rearward.
As the upper end of the link bracket 12 moves rearward and descends, the lower end of the adjustment bracket 73 connected to the link bracket 12 moves rearward, thereby spacing the support bar 121 and the adjustment bracket 73 from each other. At this time, as the rear end of the adjustment bracket 73 moves rearward, the first lower body bracket 71 connected to the upper end of the adjustment bracket 73 can move forward.
As the handle holder 11 descends, the upper end of the connecting holder 12 moves rearward and descends, the first cable 61 connected to the connecting holder 12 is pulled rearward and downward, and as the upper end of the adjusting bracket 73 moves forward, the first lower body holder 71 connected to the upper end of the adjusting bracket 73 moves forward, and the second cable 62 is pulled forward.
In this way, the first cable 61 pulled downward on the rear side and the second cable 62 pulled upward can be folded.
In short, when the folding button 20 is pressed, the handle holder 11 is lowered, and the support rod 121 of the connecting holder 12 is lowered as the handle holder 11 is lowered, so that the fixing of the adjustment bracket 73 fixed to the support rod 121 is released, and the fixing of the backrest portion 30 is released. At this time, the first cable 61 moves rearward and downward, and the second cable 62 is pulled upward, thereby folding the stroller.
While representative embodiments of the present invention have been described in detail, those skilled in the art will be able to make various modifications to the embodiments without departing from the scope of the present invention. Accordingly, the scope of the claims of the present invention is not limited to the illustrated embodiments, but is defined by the appended claims and equivalents thereof.