CN220180897U - Handle and handrail linkage locking mechanism of baby stroller and baby stroller - Google Patents
Handle and handrail linkage locking mechanism of baby stroller and baby stroller Download PDFInfo
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- CN220180897U CN220180897U CN202321235172.8U CN202321235172U CN220180897U CN 220180897 U CN220180897 U CN 220180897U CN 202321235172 U CN202321235172 U CN 202321235172U CN 220180897 U CN220180897 U CN 220180897U
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- stroller
- handrail
- frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 5
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000007306 turnover Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model relates to a handle and handrail linkage locking mechanism of a baby stroller and the baby stroller, wherein the handle and handrail linkage locking mechanism comprises a stroller handle and a handrail corresponding to a seat position, and is characterized in that the end part of the handrail is hinged to a rotating base in the middle of a frame, the end part of the stroller handle is hinged to the handrail, and the handrail can be driven to overturn in a clockwise direction in the overturning process of the stroller handle towards the handrail; a locking mechanism for synchronously fixing the handrails and the trolley handles is arranged between the trolley handles and the rotating base. According to the utility model, the overturning action of the trolley handles drives the overturning action of the armrests to form overturning linkage action, and the synchronous overturning and folding of two armrests are realized only by one-step operation; simultaneously, the locking mechanism combining the trolley handle and the rotary base realizes synchronous unfolding and locking of the handrail and the trolley handle.
Description
Technical Field
The utility model belongs to the field of baby strollers, and particularly relates to a handle and handrail linkage locking mechanism of a baby stroller and the baby stroller.
Background
For ease of carrying, storage and transport, baby strollers have evolved from partially collapsible to wholly collapsible. A single-hand collapsible stroller frame as disclosed in CN 217649504U; as well as an automatic folding baby stroller as disclosed in CN216359981U, all disclose the technology of folding the whole stroller. The folding and fixing modes of the handles and handrails related to the CN217649504U are as follows: the handle is driven, and the linkage rod is used for driving the front support and the rear support to be folded, and finally the phase-changed driving handrail becomes a handle of the folded trolley. It is known that the handle and the armrest are not in direct linkage structural relationship, and the armrest cannot be flexibly folded.
The folding mode of the handles and handrails related to CN216359981U is as follows: the handle is driven to turn over relative to the frame, and the backrest is driven to drive the armrests to turn over together, so that the handle and the armrests respectively act. It is known that there is no direct linkage between the handle and the armrest. Multiple steps are required to complete folding and securing of the handle and armrest in use.
Disclosure of Invention
The utility model mainly aims at the folding and unfolding fixing problems of a trolley handle and a seat armrest of a baby trolley, and discloses a handle and armrest linkage locking mechanism of the baby trolley, wherein the overturning action of the trolley handle drives the overturning action of the seat armrest to form overturning linkage action, and the synchronous overturning and folding of two armrests are realized only by one-step operation; simultaneously, the locking mechanism combining the trolley handle and the rotating base realizes synchronous unfolding and locking of the handrails and the trolley handle, and the two folded handrails are tightly attached after being turned over, so that the size of the trolley frame is reduced, and the trolley is favorable for storage and carrying.
The utility model aims at realizing the following technical scheme: the handle and handrail linkage locking mechanism of the baby stroller comprises a stroller handle and a handrail, wherein the stroller handle is arranged at the upper part of a frame, and the handrail is arranged at the middle part of the frame and corresponds to a seat position; a locking mechanism for synchronously fixing the handrails and the trolley handles is arranged between the trolley handles and the rotating base.
Preferably, the end of the armrest is rotatably hinged to the rotating base by a shaft or a pin, and the lower end of the cart handle is rotatably hinged to the end of the armrest by a shaft or a pin.
The hand rest and the rotating base are not provided with a direct limiting mechanism, but are indirectly locked and fixed with the rotating base through a trolley handle; specifically, the handrails are hinged to the rotating base, the trolley handles are hinged to the handrails, and locking mechanisms are arranged between the trolley handles and the rotating base; when the trolley handle is unlocked and overturned, the armrest is driven to synchronously overturned until the trolley handle is tightly attached to the armrest and overturned to a position which is obliquely downward relative to the trolley frame; at this time, the cart handle and the armrests of the cart frame together complete the preliminary folding of the upper half of the cart frame.
Preferably, the locking mechanism comprises a driving piece arranged on the trolley handle, a transmission piece arranged on the trolley handle and connected with the driving part, a locking piece connected with the transmission piece, and a locking part matched with the locking piece to form locking; the locking piece is arranged on the trolley handle, and the locking part is arranged on the rotating base.
Preferably, the lower end of the cart handle is connected with a turnover piece, one end of the turnover piece facing the handrail is hinged to the end of the handrail through a shaft or a pin, and one side of the turnover piece far away from the handrail is connected with the locking piece.
Preferably, the locking piece is hinged to the overturning piece through a pin or a shaft, the driving piece and the transmission piece drive the locking piece to rotate, an elastic reset piece is further arranged between the locking piece and the overturning piece, a locking end which is relatively convex or concave is further arranged on the locking piece, meanwhile, a locking part in the rotating base is provided with a concave locking hole or a locking groove matched with the locking end, or the locking part is provided with a convex end which is convex.
Preferably, the locking piece is slidably connected to the overturning piece through a sliding groove or a sliding rail or a guiding piece, the driving piece and the transmission piece drive the locking piece to perform translational reciprocating motion, an elastic resetting piece is further arranged between the locking piece and the overturning piece, a locking end which is convex or concave relatively is further arranged on the locking piece, meanwhile, a locking part in the rotating base is arranged into a concave locking hole or a locking groove matched with the locking end, or the locking part is arranged into a convex end which is convex.
When the frame is unfolded, the trolley handle turns upwards, so that the handrail is driven to turn upwards until locking is formed between the trolley handle and the rotating base, and the trolley handle and the handrail are unfolded and locked in a synchronous rotating manner.
Preferably, the driving piece is arranged in the middle of the upper end of the trolley handle, the transmission piece is positioned in the trolley handle, and the transmission piece adopts a steel wire rope or a pull rope. The handle presses the driving piece to drive the driving piece to stretch upwards, so that the locking piece is driven to stretch up and down, move up and down, or rotate, and finally, the locking end part on the locking piece is matched with the locking part on the rotating base in a concave-convex mode to form locking.
Another object of the present utility model is to provide a stroller, wherein a frame of the stroller comprises the armrest overturning linkage mechanism of the stroller, and the stroller is characterized in that a seat is arranged in the middle of the frame, a front frame leg is arranged at the front side of the lower part of the frame, and a rear frame leg is arranged at the rear side of the lower part of the frame; the lower end of the front foot of the frame is provided with a front wheel mechanism, and the lower end of the rear foot of the frame is provided with a rear wheel mechanism.
Preferably, a sunshade is provided at the upper part of the frame.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the overturning action of the trolley handles drives the overturning action of the armrests to form overturning linkage action, and the synchronous overturning and folding of two armrests are realized only by one-step operation; simultaneously, the locking mechanism of the trolley handle and the rotary base is combined, so that the synchronous unfolding and locking of the handrail and the trolley handle are realized; and two armrests after overturning and folding are closely attached, so that the size of the frame is reduced, and the storage and carrying are facilitated.
Drawings
FIG. 1 is a schematic view of the structure of the utility model in an unfolded state;
FIG. 2 is a partial exploded view of the present utility model;
FIG. 3 is a schematic view of the structure of the rotating base, the turning member and the locking member of the present utility model;
FIG. 4 is a schematic diagram showing a stroller in a flipped and folded state according to the present utility model;
fig. 5 is a schematic structural view of a stroller according to the present utility model.
The marks in the figure: 1. a cart handle; 2. an armrest; 21. a second shaft hole; 3. a turnover piece; 31. a hinge part; 4. a locking member; 41. a locking end; 5. a driving member; 6. rotating the base; 61. and a hinging seat. 7. A frame front foot; 8. a frame rear foot; 9. and a sunshade awning.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
example 1:
as shown in fig. 1-3, a handle and armrest linkage locking mechanism of a baby stroller mainly comprises a stroller handle 1 positioned at the upper part of a frame and an armrest 2 positioned at the middle part of the frame and corresponding to a seat position, wherein the stroller handle 1 and the armrest 2 are approximately U-shaped; wherein, both ends of the handrail 2 are respectively hinged with two rotary bases 6 in the middle of the frame, and both lower ends of the cart handle 1 are respectively hinged with both ends of the handrail 2.
The hand grip 1 of the trolley can drive the hand rest 2 to overturn in the forward direction of the hand rest 2; a locking mechanism for synchronously fixing the armrest 2 and the cart handle 1 is arranged between the cart handle 1 and the rotary base 6.
Specifically, the rotating base 6 is fixedly connected to the middle part of the frame and hollow, one side of the rotating base 6, which is close to the armrest 2, is provided with a relatively protruding hinge seat 61, a shaft or a pin is connected in two parallel shaft holes of the hinge seat 61, and meanwhile, the end part of the armrest 2 is provided with a shaft hole and is connected with the shaft or the pin through the shaft hole, so that the armrest 2 and the hinge seat 61 are in rotary connection.
The end part of the handrail 2, which penetrates into the rotating base 6, is in a flat plate shape, the part is provided with a second shaft hole 21, the second shaft hole 21 is close to one side of the cart handrail 1, and the cart handrail 1 is hinged at the second shaft hole 21; specifically, the lower end of the handle 1 of the cart is fixedly connected with a turnover member 3, the turnover member 3 penetrates into the rotating base 6, the turnover member 3 is plate-shaped and is provided with a relatively convex hinge part 31 towards one side of the handrail 2, the end part of the hinge part is provided with a third shaft hole 32, a shaft or a pin is connected in the third shaft hole 32, and then the turnover member 3 is hinged with the handrail 2 through the shaft hole, the shaft or the pin.
The locking mechanism mainly comprises a driving piece, a transmission piece, a locking piece 4 and a locking part matched with the locking piece 4 to form locking.
The driving piece is arranged in the middle of the upper end of the cart handle 1, the driving piece can be of a push type, elasticity is arranged between the driving piece and the cart handle 1, one end of the transmission piece is connected with the driving piece, the driving piece is elastically pressed, and the driving piece can be driven to stretch up and down.
Specifically, the transmission piece adopts wire rope or stay cord, and wire rope or stay cord are installed in shallow handle 1, extend to the lower extreme from the upper end of shallow handle 1, and wire rope or stay cord lower extreme is connected in closure 4.
The upper part of the locking piece 4 is rotationally hinged to one side, far away from the handrail 2, of the overturning piece 3 through a pin or a shaft, the lower end of the transmission piece is connected to the middle part of the locking piece 4, and then the locking piece 4 can rotate under the drive of the driving piece and the transmission piece; a return spring is also arranged between the locking piece 4 and the turning piece 3 so as to return the locking piece 4; a relatively convex locking end 41 is also provided on the side of the locking element 4 remote from the armrest 2, and a concave locking hole or locking groove is provided in the swivel base 6, which locking end 41 is matched.
Example 2: compared with the embodiment 1, the difference of the embodiment is that the locking element 4 is slidingly connected to the overturning element 3 and far away from the side of the handrail 2 through the chute and the guide element, the lower end of the transmission element is connected to the upper part of the locking element 4, and then the locking element 4 can be driven by the driving element and the transmission element to perform up-and-down lifting reciprocating motion; a return spring is also mounted between the locking element 4 and the tilting element 3 in order to return the locking element 4.
Example 3: the difference from the embodiment 1 is that the locking element 4 is slidingly connected to the overturning element 3 and far away from the side of the handrail 2 through the sliding groove and the guiding element, the lower end of the transmission element is connected to one side of the locking element 4, and then the locking element 4 can perform transverse reciprocating translational motion under the drive of the driving element and the transmission element; a return spring is also mounted between the locking element 4 and the tilting element 3 in order to return the locking element 4.
Example 4: the difference from embodiment 1 is that the locking element 4 has a locking end 41 which is relatively concave on the side facing away from the handrail 2, and at the same time has a convex protruding end in the swivel base 6 which mates with the locking end 41.
Example 5:
as shown in fig. 1-5, a stroller comprises a stroller frame comprising a handle and armrest interlocking mechanism of the stroller in embodiment 1, 2, 3 or 4, a seat is arranged in the middle of the stroller frame, a front frame leg 7 is arranged on the front side of the lower part of the stroller frame, and a rear frame leg 8 is arranged on the rear side of the lower part of the stroller frame; the lower end of the front frame leg 7 is provided with a front wheel mechanism, and the lower end of the rear frame leg 8 is provided with a rear wheel mechanism; a sunshade 9 is arranged on the upper part of the frame.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The handle and handrail linkage locking mechanism of the baby stroller comprises a stroller handle (1) positioned at the upper part of a frame and a handrail (2) positioned at the middle part of the frame and corresponding to a seat position, and is characterized in that the end part of the handrail is hinged to a rotary base (6) at the middle part of the frame, the end part of the stroller handle is hinged to the handrail, and the handrail can be driven to overturn in a clockwise direction in the overturning process of the stroller handle towards the handrail;
a locking mechanism for synchronously fixing the handrails and the trolley handles is arranged between the trolley handles and the rotating base.
2. The stroller handle-to-armrest interlocking mechanism of claim 1, wherein the end of the armrest is rotatably hinged to the swivel base by a shaft or pin, and wherein the lower end of the stroller handle is rotatably hinged to the end of the armrest by a shaft or pin.
3. The handle and armrest linkage locking mechanism of the stroller according to claim 1, wherein the locking mechanism comprises a driving piece (5) arranged on the handle of the stroller, a transmission piece arranged on the handle of the stroller and connected with the driving part, a locking piece (4) connected with the transmission piece, and a locking part matched with the locking piece to form locking; the locking piece is arranged on the trolley handle, and the locking part is arranged on the rotating base.
4. A stroller handle and armrest interlocking mechanism according to claim 3, characterised in that the lower end of the stroller handle is connected to a flip (3), the end of the flip facing the armrest being hinged to the end of the armrest by means of a shaft or pin, the side of the flip facing away from the armrest being connected to the interlocking member.
5. The handle-armrest interlocking mechanism of claim 4, wherein the locking member is hinged to the turning member by a pin or a shaft, the driving member and the transmission member drive the locking member to perform a rotational movement, an elastic restoring member is further provided between the locking member and the turning member, a locking end (41) which is relatively convex or concave is further provided on the locking member, and at the same time, a locking portion in the rotating base is provided as a concave locking hole or locking groove matched with the locking end, or a locking portion is provided as a convex end which is convex.
6. The handle-armrest linkage locking mechanism of claim 4, wherein the locking member is slidably connected to the turning member through a sliding slot or a sliding rail or a guiding member, the driving member and the driving member drive the locking member to perform translational reciprocating motion, an elastic restoring member is further disposed between the locking member and the turning member, a locking end (41) which is relatively convex or concave is further disposed on the locking member, and at the same time, a locking portion disposed in the rotating base is disposed as a concave locking hole or locking groove matching the locking end, or a locking portion is disposed as a convex end.
7. The handle-armrest interlocking mechanism of claim 5 or 6, wherein the driving part is disposed in the middle of the upper end of the handle, the transmission member is disposed in the handle, and the transmission member is a wire rope or a pull rope.
8. A stroller, the frame of which comprises the handle and handrail linkage locking mechanism of the stroller of any one of claims 1-7, and is characterized in that a seat is arranged in the middle of the frame, a frame front leg (7) is arranged on the front side of the lower part of the frame, and a frame rear leg (8) is arranged on the rear side of the lower part of the frame; the lower end of the front foot of the frame is provided with a front wheel mechanism, and the lower end of the rear foot of the frame is provided with a rear wheel mechanism.
9. A stroller according to claim 8, characterized in that a sunshade (9) is provided in the upper part of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321235172.8U CN220180897U (en) | 2023-05-17 | 2023-05-17 | Handle and handrail linkage locking mechanism of baby stroller and baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321235172.8U CN220180897U (en) | 2023-05-17 | 2023-05-17 | Handle and handrail linkage locking mechanism of baby stroller and baby stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180897U true CN220180897U (en) | 2023-12-15 |
Family
ID=89104375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321235172.8U Active CN220180897U (en) | 2023-05-17 | 2023-05-17 | Handle and handrail linkage locking mechanism of baby stroller and baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180897U (en) |
-
2023
- 2023-05-17 CN CN202321235172.8U patent/CN220180897U/en active Active
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| GR01 | Patent grant |