CN214001784U - Front wheel orientation mechanism of bassinet - Google Patents
Front wheel orientation mechanism of bassinet Download PDFInfo
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- CN214001784U CN214001784U CN202023345001.XU CN202023345001U CN214001784U CN 214001784 U CN214001784 U CN 214001784U CN 202023345001 U CN202023345001 U CN 202023345001U CN 214001784 U CN214001784 U CN 214001784U
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- front wheel
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- groove
- wheel seat
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Abstract
The utility model discloses a front wheel orientation mechanism of a baby carriage, which comprises a front wheel seat and a front wheel component which is rotatably arranged with the front wheel seat, wherein an orientation block which can move up and down is arranged in the front wheel seat, the front wheel component is provided with an orientation groove which is matched with the orientation block, and an elastic component which pushes the orientation block downwards is arranged between the front wheel seat and the orientation block; an operating assembly capable of sliding up and down is arranged in an open slot of the front wheel seat, and the inner end of the operating assembly is matched with the front wheel seat through damping limit to realize limit at two different height positions of a high position and a low position respectively; the operating component part is arranged in the through groove of the orientation block in a penetrating way and can slide up and down relative to the orientation block; when the operating component is in a high position, the front wheel of the baby carrier is in a universal state; when the operating assembly is in a low position, the operating assembly can be rotated to be located, when the orientation block is aligned to the orientation groove, the orientation block is automatically locked into the orientation groove under the pushing action of the elastic piece, the front wheel of the baby carrier realizes orientation locking, the orientation operation is simpler, and the use is more reliable.
Description
Technical Field
The utility model relates to a bassinet field especially relates to a front wheel orientation mechanism of bassinet.
Background
A stroller is a common child go-out ride, such as a four-wheeled stroller or a three-wheeled stroller, each having a forward roll-guided front wheel assembly; at present, most front wheel subassembly all can design the structure that can freely rotate, and its structure is: the front fork with the front wheel is provided with a front fork shaft at the top, the front support is provided with a front wheel seat which is rotatably assembled with the front fork shaft, the front fork with the front wheel freely rotates relative to the front support, and the design of the rotating structure enables the baby carrier to be driven by the front wheel assembly to flexibly adjust a plurality of advancing directions.
However, in some situations, such as pushing the stroller down a smooth downhill slope, the parent may wish to limit the free rotation of the front wheel assembly, i.e., preferably lock the front wheel assembly for rolling forward only, and design the front wheel orientation mechanism. Most front wheel orienting mechanisms lock orienting grooves at the top of a front fork by operating orienting blocks which move up and down in a front wheel seat, and although the orienting blocks can play a role in orienting and locking, whether the orienting blocks are aligned to the orienting grooves at the moment or not is difficult to judge in actual operation, whether the front wheel assembly is oriented and locked is difficult to determine, repeated confirmation is often needed in operation, and the actual use is troublesome.
Disclosure of Invention
The utility model discloses the purpose is: the front wheel orienting mechanism of the baby carrier is provided to solve the problem that the orientation of the front wheel of the existing baby carrier is unreliable, the operation is simpler, the position can be searched for and the locking is automatic, and the use is more reliable.
The technical scheme of the utility model is that: a front wheel orientation mechanism of a baby carrier comprises a front wheel seat arranged on a frame and a front wheel assembly rotatably arranged below the front wheel seat, wherein an orientation block capable of moving up and down is arranged in the front wheel seat, an orientation groove correspondingly matched with the orientation block is formed in the top of the front wheel assembly, an elastic piece is arranged between the front wheel seat and the orientation block, and the elastic piece pushes the orientation block downwards; an open slot is formed in the front wheel seat, an operation assembly capable of sliding up and down is arranged in the open slot, and the inner end of the operation assembly is matched with the front wheel seat through damping limiting to realize limiting at two different height positions of a high position and a low position; the operating component part is arranged in the through groove of the orientation block in a penetrating way and can slide up and down relative to the orientation block;
when the operating assembly is at a high position, the operating assembly abuts against the upper groove wall of the through groove, at the moment, the orientation block is separated from the orientation groove and cannot move downwards, and the front wheel of the baby carrier is in a universal state;
when the operation assembly is in a low position, the operation assembly is positioned in the middle position of the through groove, the orientation block can move up and down at the moment so that the front wheel orientation mechanism can rotate to seek the position, when the orientation block is aligned with the orientation groove, the orientation block is automatically locked into the orientation groove under the pushing action of the elastic piece, and the front wheel of the baby carrier is in an orientation state.
Furthermore, the operating assembly comprises a sliding block which is in up-and-down sliding fit with the open slot, the outer end of the sliding block extends out of the front wheel seat to form an operating part, a penetrating part which is in up-and-down sliding fit with the penetrating slot of the directional block is formed on the inner side of the sliding block, a ball is movably arranged at the inner end of the penetrating part, and a first spring is arranged between the ball and the sliding block; the front wheel seat is provided with spherical grooves corresponding to the balls respectively at two different height positions, namely a high position and a low position, corresponding to the operating assembly; the operation assembly enables the ball bearings to be embedded in the corresponding spherical grooves through the first springs to achieve damping limiting.
Furthermore, the bottom of the orientation block is a narrow bolt part, and the orientation groove is correspondingly matched with the caliber of the bolt part.
Furthermore, a movable groove for the directional block to move up and down is formed in the front wheel seat, and a lock tongue hole corresponding to the lock tongue part and allowing the lock tongue part to extend out is formed in the cover plate at the bottom of the front wheel seat.
Further, the elastic member is a second spring disposed between the top of the orientation block and the top wall of the movable slot.
Further, the front wheel assembly includes a front fork to which the front wheel is attached and a front fork shaft provided on a top of the front fork, the front fork shaft being inserted into the front wheel seat and rotatably fitted. The directional slot is formed at the top of the front fork.
The utility model has the advantages that: the utility model discloses not only can realize the switching of bassinet front wheel between different states, when directional operation, can be convenient for the directional mechanism of front wheel rotate and seek position and automatic locking moreover, operate simpler, use more reliably, solved the directional unreliable problem of current bassinet front wheel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model in a use state;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a partially enlarged schematic view of FIG. 2;
FIG. 4 is a schematic side view of the front wheel seat of the present invention (the bottom cover plate is not shown);
fig. 5 is a schematic cross-sectional view of the alignment block and the operation assembly when the operation assembly is in the high position (the universal state of the front wheel);
fig. 6 is a schematic cross-sectional view of the alignment block and the operation assembly when the operation assembly is in the low position.
Wherein: 1, a front wheel seat; 1-1 open slot; 1-2 spherical grooves; 1-3 cover plates; 1-3-1 bolt hole;
2, a front wheel assembly; 2-1 orientation groove; 2-2 front wheels; 2-3 front forks; 2-4 front fork shafts;
3, an orientation block; 3-1, a perforation groove; 3-2, locking the tongue part;
4, an elastic piece;
5 operating the components; 5-1 sliding block; 5-1-1 operation part; 5-1-2 penetrating parts; 5-2, rolling balls; 5-3 first spring.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.
As shown in fig. 1 to 6, a front wheel orientation mechanism of a stroller comprises a front wheel seat 1 arranged on a frame and a front wheel assembly 2 rotatably mounted below the front wheel seat 1, wherein an orientation block 3 capable of moving up and down is arranged in the front wheel seat 1, an orientation groove 2-1 correspondingly matched with the orientation block 3 is arranged on the front wheel assembly 2, an elastic member 4 is arranged between the front wheel seat 1 and the orientation block 3, and the elastic member 4 pushes the orientation block 3 downwards; an open slot 1-1 is arranged on the front wheel seat 1, an operating component 5 capable of sliding up and down is arranged in the open slot 1-1, and the inner end of the operating component 5 is matched with the front wheel seat 1 through damping limiting to realize limiting at two different height positions of a high position and a low position respectively; the operating component 5 is partially arranged in the through slot 3-1 of the orientation block 3 in a penetrating way and can slide up and down relative to the orientation block.
In this embodiment, the specific structure of the operating assembly 5 and the damping limiting principle between the operating assembly and the front wheel seat 1 are as follows: the operating component 5 comprises a sliding block 5-1 which is in up-and-down sliding fit with the open slot 1-1, the outer end of the sliding block 5-1 extends out of the front wheel seat 1 and forms an operating part 5-1-1, a penetrating part 5-1-2 which is in up-and-down sliding fit with the penetrating slot 3-1 of the directional block 3 is formed on the inner side of the sliding block 5-1, a rolling ball 5-2 is movably arranged at the inner end of the penetrating part 5-1-2, and a first spring 5-3 is arranged between the rolling ball 5-2 and the sliding block 5-1; the front wheel seat 1 is provided with spherical grooves 1-2 corresponding to the balls 5-2 at two different height positions corresponding to the high position and the low position of the operating assembly 5. The operating component 5 enables the ball 5-2 to be embedded in the corresponding spherical groove 1-2 through the first spring 5-3 so as to realize damping limiting.
In this embodiment, the bottom of the orientation block 3 is a narrower bolt portion 3-2, and the aperture of the orientation groove 2-1 corresponding to the bolt portion 3-2. The front wheel seat 1 is internally provided with a movable groove for the orientation block 3 to move up and down, and a lock tongue hole 1-3-1 corresponding to the lock tongue part 3-2 and for the lock tongue part 3-2 to extend out is arranged on a cover plate 1-3 at the bottom of the front wheel seat 1. The design not only facilitates the assembly of the orientation block 3 in the front wheel seat 1, but also can avoid the orientation block from falling out, and the installation is more reliable.
In this embodiment, the elastic member 4 is a second spring, which is preferably disposed between the top of the orientation block 3 and the top wall of the movable slot.
In this embodiment, the front wheel assembly 2 includes a front fork 2-3 to which the front wheel 2-2 is attached, and a front fork shaft 2-4 provided on the top of the front fork 2-3, and the front fork shaft 2-4 is inserted into the front wheel holder 1 and is rotatably fitted. The directional groove 2-1 is formed at the top of the front fork 2-3. The front wheel assembly is conventional in the art and will not be described further.
The utility model discloses a theory of operation does:
when the device is used, the operation component 5 slides up and down through the operation part 5-1-1 according to the use requirement, so that the operation component 5 is switched between a high position and a low position with different heights.
When the operating component 5 is at the high position, the operating component 5 is abutted against the upper groove wall of the through groove 3-1, at the moment, the orientation block 3 is separated from the orientation groove 2-1, the orientation block 3 cannot move downwards, and the front wheel of the baby carrier is in a universal state.
When the operating component 5 is at a low position, the operating component 5 is positioned at the middle position of the through slot 3-1, the orientation block 3 can move up and down at the moment so that the front wheel orientation mechanism can rotate to seek a position, when the orientation block 3 is aligned with the orientation slot 2-1, the orientation block is automatically locked into the orientation slot 2-1 under the pushing action of the elastic piece 4, and the front wheel of the baby carriage is in an orientation state.
The utility model discloses not only can realize the switching of bassinet front wheel between different states, moreover when directional operation, can be convenient for the rotation of front wheel directional mechanism and seek the position, the directional piece 3 of being convenient for finds just to the position and the automatic locking of orienting groove 2-1, and the operation is simpler, uses more reliably, has solved the directional unreliable problem of current bassinet front wheel.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.
Claims (7)
1. The utility model provides a front wheel orientation mechanism of bassinet, is including setting up front wheel seat (1) on the frame and rotating front wheel subassembly (2) of installation in front wheel seat (1) below, be equipped with orientation piece (3) that can reciprocate in front wheel seat (1), have on front wheel subassembly (2) and correspond complex orientation groove (2-1) with orientation piece (3), its characterized in that: an elastic piece (4) is arranged between the front wheel seat (1) and the directional block (3), and the elastic piece (4) pushes the directional block (3) downwards; an open slot (1-1) is formed in the front wheel seat (1), an operating assembly (5) capable of sliding up and down is arranged in the open slot (1-1), and the inner end of the operating assembly (5) is matched with the front wheel seat (1) through damping limiting to realize limiting at two different height positions of a high position and a low position respectively; the operating component (5) is partially arranged in the through groove (3-1) of the orientation block (3) in a penetrating way and can slide up and down relative to the orientation block;
when the operating component (5) is at a high position, the operating component (5) abuts against the upper groove wall of the through groove (3-1), at the moment, the orientation block (3) is separated from the orientation groove (2-1), the orientation block (3) cannot move downwards, and the front wheel of the baby carrier is in a universal state;
when the operating component (5) is at a low position, the operating component (5) is positioned at the middle position of the through groove (3-1), the orientation block (3) can move up and down at the moment so that the front wheel orientation mechanism can rotate and seek positions, when the orientation block (3) is aligned with the orientation groove (2-1), the orientation block is automatically locked into the orientation groove (2-1) under the pushing action of the elastic piece (4), and the front wheel of the baby carrier is in an orientation state.
2. A stroller front wheel orientation mechanism according to claim 1, wherein: the operating component (5) comprises a sliding block (5-1) which is in up-and-down sliding fit with the open slot (1-1), the outer end of the sliding block (5-1) extends out of the front wheel seat (1) and forms an operating part (5-1-1), a penetrating part (5-1-2) which is in up-and-down sliding fit with the penetrating slot (3-1) of the directional block (3) is formed on the inner side of the sliding block (5-1), a rolling ball (5-2) is movably arranged at the inner end of the penetrating part (5-1-2), and a first spring (5-3) is arranged between the rolling ball (5-2) and the sliding block (5-1); the front wheel seat (1) is provided with spherical grooves (1-2) corresponding to the balls (5-2) respectively at two different height positions of a high position and a low position of the operating assembly (5); the operating assembly (5) enables the ball bearings (5-2) to be embedded in the corresponding spherical grooves (1-2) through the first springs (5-3) to achieve damping limiting.
3. A stroller front wheel orientation mechanism according to claim 1, wherein: the bottom of the orientation block (3) is a narrow lock tongue portion (3-2), and the orientation groove (2-1) is correspondingly matched with the caliber of the lock tongue portion (3-2).
4. A stroller front wheel orientation mechanism according to claim 3, wherein: the front wheel seat (1) is internally provided with a movable groove for the orientation block (3) to move up and down, and a lock tongue hole (1-3-1) corresponding to the lock tongue part (3-2) and used for the lock tongue part (3-2) to extend out is arranged on a cover plate (1-3) at the bottom of the front wheel seat (1).
5. A stroller front wheel orientation mechanism according to claim 4, wherein: the elastic piece (4) is a second spring and is arranged between the top of the orientation block (3) and the top wall of the movable groove.
6. A stroller front wheel orientation mechanism according to claim 1, wherein: the front wheel assembly (2) comprises a front fork (2-3) provided with a front wheel (2-2) and a front fork shaft (2-4) arranged at the top of the front fork (2-3), and the front fork shaft (2-4) is inserted into the front wheel seat (1) and is rotatably assembled.
7. A stroller front wheel orientation mechanism according to claim 6, wherein: the directional groove (2-1) is formed on the top of the front fork (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023345001.XU CN214001784U (en) | 2020-12-31 | 2020-12-31 | Front wheel orientation mechanism of bassinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023345001.XU CN214001784U (en) | 2020-12-31 | 2020-12-31 | Front wheel orientation mechanism of bassinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214001784U true CN214001784U (en) | 2021-08-20 |
Family
ID=77294886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023345001.XU Active CN214001784U (en) | 2020-12-31 | 2020-12-31 | Front wheel orientation mechanism of bassinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214001784U (en) |
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2020
- 2020-12-31 CN CN202023345001.XU patent/CN214001784U/en active Active
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