CN215851425U - Anti-accident unlocking mechanism of baby carriage - Google Patents
Anti-accident unlocking mechanism of baby carriage Download PDFInfo
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- CN215851425U CN215851425U CN202122283074.9U CN202122283074U CN215851425U CN 215851425 U CN215851425 U CN 215851425U CN 202122283074 U CN202122283074 U CN 202122283074U CN 215851425 U CN215851425 U CN 215851425U
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Abstract
The utility model discloses an accidental unlocking prevention mechanism of a baby carrier, which comprises a first part and a to-be-locked part which can move relatively, a main locking mechanism arranged between the first part and the to-be-locked part, an unlocking piece, and an auxiliary locking mechanism arranged on the main locking mechanism, wherein the auxiliary locking mechanism is positioned between the unlocking piece and the main locking mechanism and is unlocked by the unlocking piece; when the baby carrier is in an unfolding state, the main locking mechanism and the auxiliary locking mechanism are in a locking state; when the unlocking piece is used for unlocking, firstly unlocking the auxiliary locking mechanism, and then driving the main locking mechanism to realize unlocking through the auxiliary locking mechanism; the utility model can avoid the accidental unlocking of the main locking mechanism and improve the safety performance of the whole vehicle.
Description
Technical Field
The utility model relates to the field of baby carriers, in particular to an accidental unlocking prevention mechanism of a baby carrier.
Background
Strollers are an essential travel tool for every family with children. For convenience of carrying and transportation, foldable children carriages are available in the market at present. In the fully unfolded state of the existing folding baby carrier, the frame is generally locked by a locking mechanism, and is unlocked by a corresponding unlocking mechanism.
The locking mechanism of the existing stroller generally includes a locking block disposed on one component and capable of sliding relative to the component, a return spring disposed between the locking block and the component, and a locking groove disposed on one or more other components and corresponding to the locking block, and the locking mechanism locks the stroller in a fully unfolded state by locking the locking block and the locking groove. When the baby carriage needs to be folded, the locking of the locking block to the locking groove is released through the unlocking mechanism, and then the folding of the whole baby carriage is completed. However, in the actual use process, because the traditional locking mechanism is simple, the locking block is likely to automatically withdraw from the locking groove due to bumping in the long-time pushing process, so that accidental unlocking is caused, certain potential safety hazards exist, and the safety performance of the whole vehicle is reduced.
Disclosure of Invention
The utility model aims to: the anti-accident unlocking mechanism of the baby carrier can avoid accidental unlocking of the main locking mechanism, avoid potential safety hazards and improve the safety performance of the whole baby carrier.
The technical scheme of the utility model is as follows: an accidental unlocking prevention mechanism of a baby carriage comprises a first part and a to-be-locked part which can move relatively, a main locking mechanism arranged between the first part and the to-be-locked part, and an unlocking piece, and further comprises an auxiliary locking mechanism arranged on the main locking mechanism, wherein the auxiliary locking mechanism is positioned between the unlocking piece and the main locking mechanism, and is unlocked by the unlocking piece; when the baby carrier is in an unfolding state, the main locking mechanism and the auxiliary locking mechanism are in a locking state; when the unlocking piece is used for unlocking, the auxiliary locking mechanism is unlocked firstly, and then the main locking mechanism is driven by the auxiliary locking mechanism to realize unlocking.
Further, the main locking mechanism comprises a locking block which is arranged on the first component and can slide relative to the first component, a first return spring which is arranged between the locking block and the first component, and a locking groove which is arranged on the locked component and correspondingly matched with the locking block.
Furthermore, the auxiliary locking mechanism comprises an auxiliary blocking piece which is rotationally connected with the locking block and a second return spring which is arranged between the auxiliary blocking piece and the locking block or the first component; the first part or the part to be locked is provided with a stop block for stopping the movable limiting end of the auxiliary separation blade from moving along the unlocking direction of the locking block, and one side of the locking block, which corresponds to the stop block, is provided with an avoiding notch for the movable limiting end of the auxiliary separation blade to be embedded in; the unlocking piece can drive the auxiliary blocking piece to rotate and can drive the auxiliary blocking piece and the locking block to move along the unlocking direction of the locking block;
when the baby carrier is in an unfolded state, the locking block is clamped into the locking groove of the locked part under the action of the first reset spring, the main locking mechanism is in a locked state, the movable limiting end of the auxiliary blocking piece abuts against the stop block at the moment, the auxiliary blocking piece and the locking block cannot move along the unlocking direction of the locking block, and the auxiliary locking mechanism is in a locked state;
when the baby carrier needs to be unlocked, the unlocking piece drives the auxiliary blocking piece to rotate, the movable limiting end of the auxiliary blocking piece rotates to the avoiding notch of the locking piece to avoid the stop block, and the auxiliary locking mechanism is in an unlocking state; at the moment, the unlocking piece can drive the locking piece to move along the unlocking direction of the locking piece through the auxiliary blocking piece, so that the locking piece is separated from the locking groove, and the locking of the main locking mechanism is released.
Furthermore, the unlocking piece and the auxiliary blocking piece are in contact type movable fit; the unlocking piece drives the auxiliary blocking piece to rotate through self movement, and when the movable limiting end of the auxiliary blocking piece rotates to the avoidance notch of the locking piece, the auxiliary blocking piece and the locking piece are driven to move along the unlocking direction of the locking piece.
Further, the first member and the to-be-locked member are rotatably connected; the locking piece is provided with a convex locking part, the locked part is provided with an arc-shaped groove for sliding of the locking part, and the locking groove is formed on one side of the arc-shaped groove and communicated with the arc-shaped groove.
Furthermore, the locking part on the locking piece has two, and the arc wall and the locking groove of the part to be locked are respectively two and are correspondingly matched with the two locking parts respectively.
Further, the locked members are two in number, which are coaxially connected with the first member.
Further, the unlocking piece is arranged on one of the locked components and can slide relative to the locked component where the unlocking piece is arranged.
Furthermore, the unlocking piece is arranged on the upper side of the locking piece, and the stop block is arranged above the locking piece; the unlocking piece comprises a connecting part rotationally connected with the locking piece, a first extending part extending from the connecting part to the unlocking direction of the locking piece, and a second extending part extending upwards from the connecting part; the movable limiting end is formed at the end part of the first extending part; the unlocking piece is positioned on one side of the second extension part far away from the first extension part. Wherein the stop block is in an inverted L shape; a step matched with the stop block is formed between the movable limiting end and the second extending part.
The utility model has the advantages that: according to the utility model, the auxiliary blocking piece which can rotate relative to the locking piece is arranged on the locking piece, when the locking state is carried out, the locking piece and the locking groove are locked, and meanwhile, the auxiliary blocking piece is blocked by the stop block, so that the locking piece is prevented from automatically exiting the locking groove due to bumping in the long-time pushing process, further, the accidental unlocking is avoided, the potential safety hazard is avoided, and the safety performance of the whole vehicle is improved.
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 it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention in use;
FIG. 2 is a schematic view of an assembly structure of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 2;
FIG. 4 is an exploded view of the present invention in a locked position;
FIG. 5 is an exploded view of the auxiliary catch of the present invention when it avoids the stop;
fig. 6 is an assembly structure diagram of the present invention in an unlocked state.
Wherein: a, a main locking mechanism; b auxiliary locking mechanism;
1 a first part; 1-1 stop block;
2 locked member; 2-1 locking groove; 2-2 arc-shaped grooves;
3, locking the block; 3-1 avoiding the notch; 3-2 locking part;
4 a first return spring;
5 unlocking the lock;
6, auxiliary blocking pieces; 6-1 movable limiting end; 6-2 connecting part; 6-3 a first extension; 6-4 second extension;
7 second return 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, an accidental unlocking prevention mechanism for a stroller includes a first member 1 and a to-be-locked member 2 that are relatively movable, a main lock mechanism a provided between the first member 1 and the to-be-locked member 2, and an unlocking member 5, and further includes an auxiliary lock mechanism B provided on the main lock mechanism a, the auxiliary lock mechanism B being located between the unlocking member 5 and the main lock mechanism a, and being unlocked by the unlocking member 5; when the baby carrier is in an unfolded state, the main locking mechanism A and the auxiliary locking mechanism B are both in a locked state; when the unlocking member 5 is used for unlocking, the auxiliary locking mechanism B is unlocked firstly, and then the main locking mechanism A is driven by the auxiliary locking mechanism B to realize unlocking.
The main locking mechanism A comprises a locking block 3 which is arranged on the first component 1 and can slide relative to the first component, a first return spring 4 which is arranged between the locking block 3 and the first component 1, and a locking groove 2-1 which is arranged on the locked component 2 and correspondingly matched with the locking block 3.
The auxiliary locking mechanism B comprises an auxiliary blocking piece 6 which is rotationally connected with the locking block 3 and a second return spring 7 which is arranged between the auxiliary blocking piece 6 and the locking block 3 or the first component 1; the first component 1 or the locked component 2 is provided with a stop block 1-1 for stopping the movable limit end 6-1 of the auxiliary catch 6 from moving along the unlocking direction of the lock block 3, and one side of the lock block 3 corresponding to the stop block 1-1 is provided with an avoidance notch 3-1 for the movable limit end 6-1 of the auxiliary catch 6 to be embedded in; the unlocking piece 5 can drive the auxiliary blocking piece 6 to rotate and can drive the auxiliary blocking piece 6 and the locking piece 3 to move along the unlocking direction of the locking piece 3.
In this embodiment, the unlocking member 5 and the auxiliary blocking piece 6 are in contact type movable fit; the unlocking piece 5 drives the auxiliary blocking piece 6 to rotate through self movement, and when the movable limiting end 6-1 of the auxiliary blocking piece 6 rotates to the avoiding notch 3-1 of the locking piece 3, the auxiliary blocking piece 6 and the locking piece 3 are driven to move along the unlocking direction of the locking piece 3.
In this embodiment, the locking piece 3 has a protruding locking portion 3-2, the locked member 2 has an arc-shaped groove 2-2 for the sliding of the locking portion 3-2, and the locking groove 2-1 is formed at one side of the arc-shaped groove 2-2 and is communicated with the same. When the baby carriage is unlocked, the locking part 3-2 exits the locking groove 2-1 and slides into the corresponding arc-shaped groove 2-2, and when the first part 1 and the locked part 2 rotate relatively, the locking part 3-2 slides in the corresponding arc-shaped groove 2-2.
In order to provide stability during locking, in this embodiment, there are two locking portions 3-2 on the locking block 3, and the arc-shaped groove 2-2 and the locking groove 2-1 of the to-be-locked component 2 are also respectively two and respectively correspondingly matched with the two locking portions 3-2.
In the present embodiment, the accidental unlocking prevention mechanism is used for a folding joint of three members, wherein the number of the locked members 2 is two, and the locked members are coaxially connected to the first member 1. This configuration is merely one embodiment and is not limited to a specific number of components.
In the present embodiment, the unlocking member 5 is provided on one of the locked members 2 and is slidable with respect to the locked member 2 on which it is provided. This configuration is only an embodiment, and the unlocking element 5 can also be arranged slidably on the first part 1, as long as the unlocking element 5 can move the auxiliary catch 6. The unlocking piece 5 can be directly driven by the exposed part and can also be driven by other linkage mechanisms, and the motion mode can be diversified and is not the key point of the application, so that specific limitation and repeated description are not required.
In the embodiment, the unlocking member 5 is installed on the upper side of the locking piece 3, and the stopper 1-1 is arranged above the locking piece 3; the unlocking piece 5 comprises a connecting part 6-2 which is rotatably connected with the locking piece 3, a first extending part 6-3 which extends from the connecting part 6-2 to the unlocking direction of the locking piece 3, and a second extending part 6-4 which extends upwards from the connecting part 6-2; the movable limiting end 6-1 is formed at the end part of the first extending part 6-3; the unlocking member 5 is located on the side of the second extension 6-4 away from the first extension 6-3.
In order to increase the blocking reliability, the stopper 1-1 has an inverted L shape. A step matched with the stop block 1-1 is formed between the movable limiting end 6-1 and the second extending part 6-4.
As shown in fig. 4 to 6, the working principle of the present invention is:
when the baby carrier is in an unfolded state, the locking block 3 is clamped into the locking groove 4 of the locked part 2 under the action of the first return spring 4, the main locking mechanism is in a locked state, at the moment, the movable limiting end 6-1 of the auxiliary blocking piece 6 abuts against the stop block 1-1, the auxiliary blocking piece 6 and the locking block 3 cannot move along the unlocking direction of the locking block 3, and the auxiliary locking mechanism is in a locked state;
when the baby carrier needs to be unlocked, the unlocking piece 5 drives the auxiliary blocking piece 6 to rotate, the movable limiting end 6-1 of the auxiliary blocking piece 6 rotates to the avoiding notch 3-1 of the locking piece 3 to avoid the stop block 1-1, and the auxiliary locking mechanism is in an unlocking state; at this time, the unlocking piece 5 can drive the locking piece 3 to move along the unlocking direction of the locking piece 3 through the auxiliary blocking piece 6, so that the locking piece 3 is separated from the locking groove, and the locking of the main locking mechanism A is released.
According to the utility model, the auxiliary blocking piece 6 which can rotate relative to the locking piece 3 is arranged on the locking piece 3, when the vehicle is in a locking state, the locking piece 3 and the locking groove 2-1 are locked, and meanwhile, the auxiliary blocking piece 6 is blocked by the stop block 1-1, so that the locking piece 3 is prevented from automatically exiting the locking groove 2-1 due to bumping in the long-time pushing process, further, the accidental unlocking is caused, the potential safety hazard is avoided, and the safety performance of the whole vehicle is improved.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the present invention.
Claims (10)
1. An accidental unlocking prevention mechanism for a stroller, comprising a first member (1) and a locked member (2) which are relatively movable, a main lock mechanism (a) provided between the first member (1) and the locked member (2), and an unlocking member (5), characterized in that: the accidental unlocking preventing mechanism further comprises an auxiliary locking mechanism (B) arranged on the main locking mechanism (A), wherein the auxiliary locking mechanism (B) is positioned between the unlocking piece (5) and the main locking mechanism (A), and is unlocked by the unlocking piece (5); when the baby carrier is in an unfolded state, the main locking mechanism (A) and the auxiliary locking mechanism (B) are both in a locked state; when the unlocking piece (5) is used for unlocking, the auxiliary locking mechanism (B) is unlocked firstly, and then the main locking mechanism (A) is driven by the auxiliary locking mechanism (B) to realize unlocking.
2. A stroller anti-accidental release mechanism according to claim 1, characterized in that: the main locking mechanism (A) comprises a locking block (3) which is arranged on the first component (1) and can slide relative to the first component, a first return spring (4) which is arranged between the locking block (3) and the first component (1), and a locking groove (2-1) which is arranged on the locked component (2) and correspondingly matched with the locking block (3).
3. A stroller anti-accidental release mechanism according to claim 2, characterized in that: the auxiliary locking mechanism (B) comprises an auxiliary blocking piece (6) rotationally connected with the locking block (3) and a second return spring (7) arranged between the auxiliary blocking piece (6) and the locking block (3) or the first component (1); the first component (1) or the locked component (2) is provided with a stop block (1-1) for stopping the movable limit end (6-1) of the auxiliary stop piece (6) from moving along the unlocking direction of the lock block (3), and one side of the lock block (3) corresponding to the stop block (1-1) is provided with an avoidance notch (3-1) for the movable limit end (6-1) of the auxiliary stop piece (6) to be embedded; the unlocking piece (5) can drive the auxiliary blocking piece (6) to rotate and can drive the auxiliary blocking piece (6) and the locking block (3) to move along the unlocking direction of the locking block (3);
when the baby carrier is in an unfolded state, the lock block (3) is clamped into a lock groove (2-1) of a locked component (2) under the action of a first reset spring (4), the main lock mechanism is in a locked state, at the moment, a movable limiting end (6-1) of the auxiliary blocking piece (6) abuts against a blocking piece (1-1), the auxiliary blocking piece (6) and the lock block (3) cannot move along the unlocking direction of the lock block (3), and the auxiliary lock mechanism is in a locked state;
when the baby carrier needs to be unlocked, the unlocking piece (5) drives the auxiliary blocking piece (6) to rotate, the movable limiting end (6-1) of the auxiliary blocking piece (6) rotates to the avoiding notch (3-1) of the locking piece (3) to avoid the stop block (1-1), and the auxiliary locking mechanism is in an unlocking state; at the moment, the unlocking piece (5) can drive the locking piece (3) to move along the unlocking direction of the locking piece (3) through the auxiliary blocking piece (6), so that the locking piece (3) is separated from the locking groove, and the locking of the main locking mechanism is released.
4. A stroller anti-accidental release mechanism according to claim 3, characterized in that: the unlocking piece (5) is in contact type movable fit with the auxiliary blocking piece (6); the unlocking piece (5) drives the auxiliary blocking piece (6) to rotate through self movement, and when the movable limiting end (6-1) of the auxiliary blocking piece (6) rotates to the avoiding notch (3-1) of the locking piece (3), the auxiliary blocking piece (6) and the locking piece (3) are driven to move along the unlocking direction of the locking piece (3).
5. A stroller anti-accidental release mechanism according to claim 2, characterized in that: the first member (1) and the to-be-locked member (2) are rotatably connected; the locking piece (3) is provided with a convex locking part (3-2), the locked part (2) is provided with an arc-shaped groove (2-2) for the sliding of the locking part (3-2), and the locking groove (2-1) is formed on one side of the arc-shaped groove (2-2) and communicated with the arc-shaped groove.
6. An accidental unlocking prevention mechanism for a stroller according to claim 5, characterized in that: the number of the locking parts (3-2) on the locking block (3) is two, and the arc-shaped groove (2-2) and the locking groove (2-1) of the locked part (2) are respectively two and are respectively correspondingly matched with the two locking parts (3-2).
7. An accidental unlocking prevention mechanism for a stroller according to claim 5 or 6, characterized in that: the number of the locked members (2) is two, and the two locked members are coaxially connected to the first member (1).
8. An accidental unlocking prevention mechanism for a stroller according to claim 5 or 6, characterized in that: the unlocking piece (5) is arranged on one of the locked components (2) and can slide relative to the locked component (2) where the unlocking piece is arranged.
9. A stroller anti-accidental release mechanism according to claim 3, characterized in that: the unlocking piece (5) is arranged on the upper side of the locking piece (3), and the stop block (1-1) is arranged above the locking piece (3); the auxiliary blocking piece (6) comprises a connecting part (6-2) rotatably connected with the locking block (3), a first extending part (6-3) extending from the connecting part (6-2) to the unlocking direction of the locking block (3), and a second extending part (6-4) extending upwards from the connecting part (6-2); the movable limiting end (6-1) is formed at the end part of the first extending part (6-3); the unlocking piece (5) is positioned on one side of the second extension part (6-4) far away from the first extension part (6-3).
10. A stroller anti-accidental release mechanism according to claim 9, characterized in that: the stop block (1-1) is in an inverted L shape; a step matched with the stop block (1-1) is formed between the movable limiting end (6-1) and the second extending part (6-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283074.9U CN215851425U (en) | 2021-09-18 | 2021-09-18 | Anti-accident unlocking mechanism of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283074.9U CN215851425U (en) | 2021-09-18 | 2021-09-18 | Anti-accident unlocking mechanism of baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215851425U true CN215851425U (en) | 2022-02-18 |
Family
ID=80255345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283074.9U Active CN215851425U (en) | 2021-09-18 | 2021-09-18 | Anti-accident unlocking mechanism of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215851425U (en) |
-
2021
- 2021-09-18 CN CN202122283074.9U patent/CN215851425U/en active Active
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