CN209757229U - Unlocking mechanism of baby stroller - Google Patents
Unlocking mechanism of baby stroller Download PDFInfo
- Publication number
- CN209757229U CN209757229U CN201920488864.0U CN201920488864U CN209757229U CN 209757229 U CN209757229 U CN 209757229U CN 201920488864 U CN201920488864 U CN 201920488864U CN 209757229 U CN209757229 U CN 209757229U
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- China
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- push rod
- block
- unlocking
- locking mechanism
- tooth groove
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Abstract
The utility model discloses an unlocking mechanism of a baby stroller, which comprises a lower frame, a lower push rod rotationally connected with the lower frame, an upper push rod rotationally connected with the upper end of the lower push rod, a push handle capable of sliding up and down along the upper push rod, a push handle locking mechanism arranged between the push handle and the upper push rod, and a joint locking mechanism arranged between the upper push rod and the lower push rod; the joint locking mechanism in the utility model is designed specially, when unlocking, only the locking of the push handle locking mechanism needs to be released, and the push handle slides downwards along the upper push rod, and the joint locking mechanism is triggered to automatically unlock through the sliding push handle; the utility model discloses novel structure, convenient operation, one step of unblock can realize quick interlock unblock to the folding operation of drawing in of follow-up whole car.
Description
Technical Field
The utility model relates to an unlocking mechanism of baby's shallow.
background
The stroller is a necessary tool for traveling of infants, and users pay more and more attention to the characteristics of small volume, folding and the like of the stroller in addition to the basic requirements of pursuing stability and safety of the stroller. When present baby's shallow is folding, need the user to unblock baby's shallow earlier to can fold between each part, present locking mechanical system often is provided with many places, consequently during the unblock, also needs to carry out manual unblock operation step by step respectively, and it has the loaded down with trivial details problem of unblock step, can't satisfy the quick unblock requirement of user.
Disclosure of Invention
The utility model discloses the purpose is: the unlocking mechanism of the baby stroller can realize quick unlocking so as to facilitate the subsequent folding and folding operation of the whole stroller.
The technical scheme of the utility model is that: an unlocking mechanism of a baby stroller comprises a lower frame, a lower push rod rotationally connected with the lower frame, an upper push rod rotationally connected with the upper end of the lower push rod, a push handle capable of sliding up and down along the upper push rod, a push handle locking mechanism arranged between the push handle and the upper push rod, and a joint locking mechanism arranged between the upper push rod and the lower push rod, wherein the joint locking mechanism comprises a gear, a first tooth groove arranged at the upper end of the lower push rod and matched with the gear, a second tooth groove arranged at the lower end of the upper push rod and matched with the gear, a first spring arranged between the gear and the first tooth groove, a pushing block arranged in the second tooth groove and capable of moving along the radial direction of the pushing block, a second spring arranged between the pushing block and the wall of the second tooth groove, a linkage block arranged between the gear and the pushing block, and a movable block arranged at the lower part of the upper push rod and capable of sliding up and down along the upper push rod and extending into, the bottom of the movable block is provided with a first inclined surface, the pushing block is provided with a second inclined surface matched with the first inclined surface, and the linkage block is provided with a third inclined surface in sliding fit with the pushing block; the two ends of the push handle are provided with insertion rods which are inserted into the upper push rod and are in sliding fit with the upper push rod;
When the baby stroller is in the unfolding position, the insertion rod of the push handle extends out of the upper push rod and is far away from the movable block, the push handle and the upper push rod are locked and positioned through the push handle locking mechanism, the gear is embedded in the first tooth groove and the second tooth groove at the same time, the joint locking mechanism is in a locking state, and the upper push rod and the lower push rod cannot be folded and folded;
When the baby stroller is folded, the locking of the push handle locking mechanism is released, the push handle slides downwards along the upper push rod, the inserted rod impacts the movable block downwards and drives the movable block to move downwards, the movable block drives the pushing block to move radially along the second tooth groove through the sliding fit of the first inclined surface and the second inclined surface, the pushing block drives the linkage block and the gear to move transversely towards the first tooth groove through the sliding fit of the pushing block and the third inclined surface, the gear exits from the second tooth groove and is completely embedded into the first tooth groove, the joint locking mechanism is in an unlocking state, and the upper push rod and the lower push rod can rotate relatively to fold and furl.
Preferably, a frame locking mechanism is arranged between the lower push rod and the lower frame; an unlocking block capable of moving upwards relative to the first tooth groove is arranged in the first tooth groove, a third spring is arranged between the unlocking block and the first tooth groove, and a traction lock for unlocking the frame locking mechanism is arranged between the unlocking block and the lower frame; a driven part is convexly arranged on one side of the unlocking block close to the gear, a convex part penetrating through a central hole of the gear is arranged on one side of the linkage block opposite to the unlocking block, and the convex part is provided with a linkage part capable of driving the driven part to move upwards when rotating; the periphery of one side of the linkage block close to the pushing block is provided with a tooth-shaped part matched with the second tooth groove;
when the baby stroller is in the unfolding position, the frame locking mechanism is in a locking state, and the lower push rod cannot rotate and fold relative to the lower frame;
In the folding process of the baby stroller, when the joint locking mechanism is in an unlocking state and the upper push rod rotates and is folded relative to the lower push rod, the upper push rod drives the linkage block to synchronously rotate under the matching of the tooth-shaped part and the second tooth groove, the linkage block drives the unlocking block to move upwards through the sliding fit of the linkage part and the driven part, the traction lock is pulled upwards, the locking of the frame locking mechanism is released, and the folding of the whole stroller is finally realized.
The first spring extends in the left-right direction, the extending direction of the second spring is consistent with the sliding direction of the pushing block, and the third spring extends in the up-down direction.
preferably, the lower part of the upper push rod is provided with a first guide post extending transversely, and the upper part of the movable block is provided with a first guide groove for the first guide post to penetrate through and slide up and down.
Preferably, the linkage part comprises a movable groove for placing the driven part of the unlocking block, and one side of the movable groove is provided with an arc-shaped guide surface which can drive the driven part of the unlocking block to move upwards when the linkage block rotates.
The utility model has the advantages that: when unlocking, the locking of the locking mechanism of the push handle is only needed to be released, the push handle slides downwards along the upper push rod, at the moment, the inserted rod downwards impacts the movable block and drives the movable block to move downwards, so that the locking of the joint locking mechanism is automatically released, and meanwhile, after the joint locking mechanism is released, when the upper push rod is folded and furled, the locking of the frame locking mechanism is automatically released by driving the unlocking block to move. The utility model discloses novel structure, convenient operation, one step of unblock can realize quick interlock unblock to the folding operation of drawing in of follow-up whole car.
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 present invention in an unfolded state;
FIG. 2 is a side schematic view of FIG. 1;
FIG. 3 is a schematic view of the partially assembled structure of FIG. 1;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is another partially assembled structural view of FIG. 1;
FIG. 6 is an enlarged partial schematic view of FIG. 5;
fig. 7 is a schematic structural view of the utility model during the folding process;
FIG. 8 is a side schematic view of FIG. 1;
Fig. 9 is a schematic structural view of the present invention in the folded position.
Wherein: 1, a lower frame;
2, pushing down the push rod;
3, pushing a push rod;
4, pushing a handle; 4-1 inserting rod;
5 a joint locking mechanism; 5-1 gear; 5-2 a first tooth slot; 5-3 second tooth grooves; 5-4 a first spring; 5-5 pushing blocks; 5-5-1 second inclined plane; 5-6 second springs; 5-7 linkage blocks; 5-7-1, a third inclined plane; 5-7-2 linkage part; 5-7-2-1 movable groove; 5-7-2-2 arc guide surface; 5-7-3 teeth; 5-8 movable blocks; 5-8-1 a first bevel; 5-8-2 a first guide groove;
6 unlocking the block; 6-1 driven part;
7 a third spring;
8 a first guide post;
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 employed in the examples may be further adjusted according to specific conditions, and the conditions not specified are generally conditions in routine experiments.
as shown in fig. 1 to 9, an unlocking mechanism of a stroller includes a lower frame 1, a lower push rod 2 rotatably connected to the lower frame 1, an upper push rod 3 rotatably connected to an upper end of the lower push rod 2, a push handle 4 vertically slidable along the upper push rod 3, a push handle locking mechanism provided between the push handle 4 and the upper push rod 3, a joint locking mechanism 5 provided between the upper push rod 3 and the lower push rod 2, and a frame locking mechanism provided between the lower push rod 2 and the lower frame 1. The push handle locking mechanism is a locking structure between two sliding parts, which is common in the field, and the frame locking mechanism is a locking structure between two rotating parts, which is common in the field, and the types of the frame locking mechanisms are various, and detailed description and specific structural limitations are not repeated herein.
As shown in fig. 3 to 6, in this embodiment, the joint locking mechanism 5 includes a gear 5-1, a first tooth groove 5-2 disposed at an upper end of the lower push rod 2 and engaged with the gear 5-1, a second tooth groove 5-3 disposed at a lower end of the upper push rod 3 and engaged with the gear 5-1, a first spring 5-4 installed between the gear 5-1 and the first tooth groove 5-2, a push block 5-5 disposed in the second tooth groove 5-3 and movable in a radial direction thereof, a second spring 5-6 installed between the push block 5-5 and a wall of the second tooth groove 5-3, a linkage block 5-7 disposed between the gear 5-1 and the push block 5-5, and a movable block 5-8 disposed at a lower portion of the upper push rod 3 and slidable up and down along the upper push rod 3 and extending into the second tooth groove 5-3, the bottom of the movable block 5-8 is provided with a first inclined surface 5-8-1, the pushing block 5-5 is provided with a second inclined surface 5-5-1 matched with the first inclined surface 5-8-1, and the linkage block 5-7 is provided with a third inclined surface 5-7-1 in sliding fit with the pushing block 5-5; two ends of the push handle 4 are provided with insertion rods 4-1 which are inserted in the upper push rod 3 and are in sliding fit with the upper push rod 3; an unlocking block 6 capable of moving upwards relative to the first tooth groove 5-2 is arranged in the first tooth groove 5-2, a third spring 7 is arranged between the unlocking block 6 and the first tooth groove 5-2, and a traction lock for unlocking the frame locking mechanism is arranged between the unlocking block 6 and the lower frame 1; a driven part 6-1 is convexly arranged on one side of the unlocking block 6 close to the gear 5-1, a convexly arranged part penetrating through a central hole of the gear 5-1 is arranged on one side of the linkage block 5-7 opposite to the unlocking block 6, and the convexly arranged part is provided with a linkage part 5-7-2 which can drive the driven part 6-1 to move upwards when rotating; the periphery of one side of the linkage block 5-7, which is close to the pushing block 5-5, is provided with a tooth-shaped part 5-7-3 matched with the second tooth groove 5-3.
in this embodiment, the first spring 5-4 extends in the left-right direction, the second spring 5-6 extends in the same direction as the sliding direction of the pushing block 5-5, and the third spring 7 extends in the up-down direction.
In this embodiment, the lower portion of the upper push rod 3 is provided with a first guide post 8 extending transversely, and the upper portion of the movable block 5-8 is provided with a first guide groove 5-8-2 through which the first guide post 8 penetrates and slides up and down.
In this embodiment, the linkage portion 5-7-2 includes a movable groove 5-7-2-1 for placing the driven portion 6-1 of the unlocking block 6 therein, and one side of the movable groove 5-7-2-1 is provided with an arc-shaped guide surface 5-7-2-2 capable of driving the driven portion 6-1 of the unlocking block 6 to move upwards when the linkage block 5-7 rotates.
The working principle of the utility model is as follows:
When the baby stroller is in an unfolded position, the inserted rod 4-1 of the push handle 4 extends out of the upper push rod 3 and is far away from the movable block 5-8, the push handle 4 and the upper push rod 3 are locked and positioned through the push handle locking mechanism, at the moment, the gear 5-1 is embedded in the first tooth groove 5-2 and the second tooth groove 5-3 at the same time, the joint locking mechanism is in a locked state, and the upper push rod 3 and the lower push rod 2 cannot be folded and folded; meanwhile, the frame locking mechanism is in a locking state, and the lower push rod 2 cannot rotate and fold relative to the lower frame 1;
When the baby stroller is folded, the locking of the push handle locking mechanism is released, the push handle 4 slides downwards along the upper push rod 3, at the moment, the inserted rod 4-1 impacts the movable block 5-8 downwards and drives the movable block 5-8 to move downwards, the movable block 5-8 drives the push block 5-5 to move along the second tooth groove 5-3 in the radial direction through the sliding fit of the first inclined surface 5-8-1 and the second inclined surface 5-5-1, the push block 5-5 drives the linkage block 5-7 and the gear 5-1 to move transversely to the first tooth groove 5-2 direction through the sliding fit of the third inclined surface 5-7-1 and the first inclined surface 5-3, at the moment, the gear 5-1 exits from the second tooth groove 5-3 and is completely embedded into the first tooth groove 5-2, the joint locking mechanism is in an unlocking state, and the upper push rod 3 and the lower push rod 2 can rotate relatively to fold; when the upper push rod 3 rotates and folds relative to the lower push rod 2, the upper push rod 3 drives the linkage block 5-7 to synchronously rotate under the matching of the tooth-shaped part 5-7-3 and the second tooth groove 5-3, the linkage block 5-7 drives the unlocking block 6 to move upwards through the sliding fit of the linkage part 5-7-2 and the driven part 6-1, and further the traction lock is pulled upwards to release the locking of the frame locking mechanism, and finally the folding of the whole vehicle is realized.
the utility model discloses novel structure, convenient operation, one step of unblock can realize quick interlock unblock to the folding operation of drawing in of follow-up whole car.
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 (5)
1. an unlocking mechanism of a baby stroller is characterized in that: the bicycle comprises a lower frame (1), a lower push rod (2) rotationally connected with the lower frame (1), an upper push rod (3) rotationally connected with the upper end of the lower push rod (2), a push handle (4) capable of sliding up and down along the upper push rod (3), a push handle locking mechanism arranged between the push handle (4) and the upper push rod (3), and a joint locking mechanism (5) arranged between the upper push rod (3) and the lower push rod (2), wherein the joint locking mechanism (5) comprises a gear (5-1), a first tooth groove (5-2) arranged at the upper end of the lower push rod (2) and matched with the gear (5-1), a second tooth groove (5-3) arranged at the lower end of the upper push rod (3) and matched with the gear (5-1), and a first spring (5-4) arranged between the gear (5-1) and the first tooth groove (5-2), A pushing block (5-5) which is arranged in the second tooth groove (5-3) and can move along the radial direction thereof, a second spring (5-6) which is arranged between the pushing block (5-5) and the groove wall of the second tooth groove (5-3), a linkage block (5-7) which is arranged between the gear (5-1) and the pushing block (5-5), and a movable block (5-8) which is arranged at the lower part of the upper push rod (3) and can slide up and down along the upper push rod (3) and extend into the second tooth groove (5-3), wherein the bottom of the movable block (5-8) is provided with a first inclined plane (5-8-1), the pushing block (5-5) is provided with a second inclined plane (5-5-1) which is matched with the first inclined plane (5-8-1), and the linkage block (5-7) is provided with a third inclined plane (5-5) which is matched with the pushing block (5-5) in a sliding way 7-1); two ends of the push handle (4) are provided with insertion rods (4-1) which are inserted in the upper push rod (3) and are in sliding fit with the upper push rod (3);
when the baby stroller is in an unfolded position, the inserted rod (4-1) of the push handle (4) extends out of the upper push rod (3) and is far away from the movable block (5-8), the push handle (4) and the upper push rod (3) are locked and positioned through the push handle locking mechanism, at the moment, the gear (5-1) is embedded in the first tooth groove (5-2) and the second tooth groove (5-3) at the same time, the joint locking mechanism is in a locked state, and the upper push rod (3) and the lower push rod (2) cannot be folded and folded;
when the baby stroller is folded, the locking of the push handle locking mechanism is released, the push handle (4) slides downwards along the upper push rod (3), at the moment, the inserted rod (4-1) downwards impacts the movable block (5-8) and drives the movable block (5-8) to move downwards, the movable block (5-8) drives the push block (5-5) to radially move along the second tooth groove (5-3) through the sliding fit of the first inclined surface (5-8-1) and the second inclined surface (5-5-1), the push block (5-5) drives the linkage block (5-7) and the gear (5-1) to transversely move towards the first tooth groove (5-2) through the sliding fit of the first inclined surface (5-8-1) and the third inclined surface (5-7-1), at the moment, the gear (5-1) exits from the second tooth groove (5-3) and is completely embedded into the first tooth groove (5-2), the joint locking mechanism is in an unlocking state, and the upper push rod (3) and the lower push rod (2) can rotate relatively to fold.
2. an unlocking mechanism for a stroller according to claim 1, characterized in that: a frame locking mechanism is arranged between the lower push rod (2) and the lower frame (1); an unlocking block (6) capable of moving upwards relative to the first tooth groove (5-2) is arranged in the first tooth groove (5-2), a third spring (7) is arranged between the unlocking block (6) and the first tooth groove (5-2), and a traction lock for unlocking the frame locking mechanism is arranged between the unlocking block (6) and the lower frame (1); a driven part (6-1) is convexly arranged on one side of the unlocking block (6) close to the gear (5-1), a convex part penetrating through a central hole of the gear (5-1) is arranged on one side of the linkage block (5-7) opposite to the unlocking block (6), and the convex part is provided with a linkage part (5-7-2) capable of driving the driven part (6-1) to move upwards when rotating; the periphery of one side of the linkage block (5-7) close to the pushing block (5-5) is provided with a tooth-shaped part (5-7-3) matched with the second tooth groove (5-3);
when the baby stroller is in the unfolding position, the frame locking mechanism is in a locking state, and the lower push rod (2) cannot rotate and fold relative to the lower frame (1);
in the folding process of the baby stroller, when the joint locking mechanism is in an unlocking state and the upper push rod (3) rotates and is folded relative to the lower push rod (2), the upper push rod (3) drives the linkage block (5-7) to synchronously rotate under the matching of the tooth-shaped part (5-7-3) and the second tooth groove (5-3), the linkage block (5-7) drives the unlocking block (6) to move upwards through the sliding fit of the linkage part (5-7-2) and the driven part (6-1), and then the traction lock is pulled upwards to unlock the frame locking mechanism, so that the folding of the whole stroller is finally realized.
3. An unlocking mechanism for a stroller according to claim 2, characterized in that: the first spring (5-4) extends in the left-right direction, the extending direction of the second spring (5-6) is consistent with the sliding direction of the pushing block (5-5), and the third spring (7) extends in the up-down direction.
4. an unlocking mechanism for a stroller according to claim 1, characterized in that: the lower part of the upper push rod (3) is provided with a first guide post (8) which extends transversely, and the upper part of the movable block (5-8) is provided with a first guide groove (5-8-2) which is used for the first guide post (8) to penetrate and slide up and down.
5. An unlocking mechanism for a stroller according to claim 2, characterized in that: the linkage part (5-7-2) comprises a movable groove (5-7-2-1) for placing the driven part (6-1) of the unlocking block (6), and one side of the movable groove (5-7-2-1) is provided with an arc-shaped guide surface (5-7-2-2) which can drive the driven part (6-1) of the unlocking block (6) to move upwards when the linkage block (5-7) rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488864.0U CN209757229U (en) | 2019-04-11 | 2019-04-11 | Unlocking mechanism of baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488864.0U CN209757229U (en) | 2019-04-11 | 2019-04-11 | Unlocking mechanism of baby stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209757229U true CN209757229U (en) | 2019-12-10 |
Family
ID=68758822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920488864.0U Active CN209757229U (en) | 2019-04-11 | 2019-04-11 | Unlocking mechanism of baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209757229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401211A (en) * | 2021-08-11 | 2021-09-17 | 深圳市惠贝贝科技有限公司 | Single-hand opening and closing mechanism and baby stroller |
| CN114889683A (en) * | 2022-05-30 | 2022-08-12 | 好孩子儿童用品有限公司 | Children's barrow |
-
2019
- 2019-04-11 CN CN201920488864.0U patent/CN209757229U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401211A (en) * | 2021-08-11 | 2021-09-17 | 深圳市惠贝贝科技有限公司 | Single-hand opening and closing mechanism and baby stroller |
| CN114889683A (en) * | 2022-05-30 | 2022-08-12 | 好孩子儿童用品有限公司 | Children's barrow |
| CN114889683B (en) * | 2022-05-30 | 2023-08-04 | 好孩子儿童用品有限公司 | Child cart |
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