CN209904857U - Locking mechanism of children's article and children's article - Google Patents
Locking mechanism of children's article and children's article Download PDFInfo
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- CN209904857U CN209904857U CN201920319178.0U CN201920319178U CN209904857U CN 209904857 U CN209904857 U CN 209904857U CN 201920319178 U CN201920319178 U CN 201920319178U CN 209904857 U CN209904857 U CN 209904857U
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Abstract
The utility model discloses a locking mechanism of children's supplies and children's supplies, the fixing base is connected with the central joint through the hollow rivet, the unlocking piece is movably arranged in the cavity of the hollow rivet, one end of the unlocking piece is provided with a locking piece, the base is provided with a locking groove, the locking piece is detachably connected with the locking groove, the fixing base is provided with a space for the base to be inserted in a pull-out manner, when in a locking state, the unlocking piece is at a first working position, the locking piece is connected with the locking groove, so that the base is limited in the space; when the unlocking piece is in the second working position, the locking piece is separated from the locking groove, and the base is released. The utility model discloses children's articles for use's locking mechanical system and children's articles for use can realize fast between children's articles for use upper part, locking and unblock between the seat pocket of especially children's shallow and the frame, and seat pocket locking mechanical system's simple structure, it is firm to lock, has very high security, inserts the base during locking can automatic locking, press down during the unblock operating parts can, easy operation is convenient.
Description
Technical Field
The utility model relates to a children's articles for use's locking mechanical system and children's articles for use.
Background
In order to facilitate use of existing children products, some detachable structures, such as a stroller and a seat pocket on a dining chair, are often arranged on the existing children products. Taking the stroller as an example, a locking mechanism is connected between the seat pocket and the frame, so that the seat pocket and the frame can be locked and unlocked, the seat pocket is more firm after being installed when the locking mechanism is locked, and the seat pocket can be taken down from the frame after the locking mechanism is unlocked. However, the seat pocket locking mechanism in the prior art is complex in structure, complex in part manufacturing and part assembling during production, high in cost, inconvenient and easy in unlocking and disassembling the seat pocket of the locking mechanism and simple in operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a locking mechanism for children products and children products.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a locking mechanism of children articles comprises a base, a fixed seat, a central joint and an unlocking piece, wherein the fixed seat is connected with the central joint through a hollow rivet, the unlocking piece is movably arranged in a cavity of the hollow rivet in a penetrating way and is provided with at least two working positions, one end of the unlocking piece is provided with a locking block, the base is provided with a locking groove, the locking block is detachably positioned in the locking groove, the fixed seat is provided with a space for the base to be inserted in a pulling way,
when the locking mechanism is in a locking state, the unlocking piece is in a first working position, and the locking piece is positioned in the locking groove, so that the base is limited in the space; when the locking mechanism is in an unlocking state, the unlocking piece is in the second working position, the locking piece is separated from the locking groove, and the base is released.
Furthermore, a bolt retractably inserted into the lock groove and a first elastic element applying force to the bolt to enable the bolt to be inserted into the lock groove are arranged in the base, when the fixing seat is inserted into the space and the unlocking piece is in the second working position, one end part of the bolt is inserted into the lock groove and is positioned between the locking piece and the fixing seat, and the unlocking piece is kept in the second working position.
Furthermore, when the locking mechanism is in a locking state, one end of the bolt abuts against the locking block.
Further, the piece that unlocks includes the pole portion that movably wears to establish in hollow rivet's cavity, and the locking piece is connected in the one end of pole portion, and the first passageway that is linked together with the locked groove is seted up to the base, inserts when the base and establish in the space and the piece that unlocks when second operating position, and pole portion is located the locked groove, extracts the in-process in space at the base, and pole portion slides through first passageway.
Furthermore, a second elastic piece which enables the unlocking piece to move from the second working position to the first working position is arranged between the hollow rivet and the unlocking piece.
Furthermore, the first channel is internally provided with a first inclined surface, the first inclined surface is in sliding contact with the locking block in the process of inserting the base into the space, and the force applied to the locking block by the first inclined surface is opposite to the force applied to the locking block by the second elastic member.
Furthermore, the base is provided with a second channel communicated with the locking groove and the first channel, when the base is inserted into the space and the unlocking piece is in the second working position, the locking piece is positioned in the second channel, and the locking piece slides through the second channel in the process of pulling the base out of the space.
Furthermore, the other end of the unlocking piece opposite to the end where the locking piece is located is an operating end, and the central joint is provided with an accommodating groove for the operating end to be movably arranged in.
Furthermore, the base is provided with an inserting block which can be inserted into the space in a pull-out mode, the locking groove is formed in the inserting block, convex edges are arranged on two sides of the inserting block, and side grooves for the convex edges to be inserted into the space in a pull-out mode in a matched mode are arranged on two sides of the space.
The utility model also provides another kind of technical scheme: the utility model provides a children's supplies, this children's supplies are children's shallow, and it includes the frame, with the seat pocket that the frame liftoff is connected, the seat pocket is connected with the frame through foretell seat pocket locking mechanical system liftoff, central joint connects on the frame, the seat pocket is connected with the base.
Furthermore, two locking mechanisms are arranged on the left side and the right side of the baby stroller symmetrically.
Since the technical scheme is used, the utility model discloses children's articles for use's locking mechanical system and children's articles for use can realize fast between children's articles for use upper part, locking and unblock between the seat pocket of especially children's shallow and the frame, and locking mechanical system's simple structure, it is firm to lock, has very high security, inserts the base during the locking can automatic locking, press during the unblock operating parts can, easy operation is convenient.
Drawings
Fig. 1 is a schematic structural view of a locking mechanism for children products in a locked state according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a base of the locking mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of a fixing seat of the locking mechanism shown in FIG. 1;
FIG. 4 is a schematic top view of the locking mechanism of FIG. 1 in a locked condition;
FIG. 5 is a schematic longitudinal sectional view of the locking mechanism shown in FIG. 1, taken along line A-A of FIG. 4;
FIG. 6 is a schematic view of the cross-sectional structure B-B of FIG. 5;
FIG. 7 is a schematic structural view of the locking mechanism shown in FIG. 1 in an unlocked state (the base is not yet pulled out of the space of the holder);
FIG. 8 is a schematic longitudinal cross-sectional view of the locking mechanism of FIG. 7;
FIG. 9 is a schematic structural view of the locking mechanism shown in FIG. 1 in an unlocked state (during the process of pulling the base out of the space of the holder);
FIG. 10 is a schematic longitudinal cross-sectional view of the locking mechanism of FIG. 9;
fig. 11 is a schematic structural diagram of a stroller according to an embodiment of the present invention. The reference numbers in the figures are:
1. a base; 11. locking the groove; 12. a first channel; 13. a first inclined plane; 14. a second channel; 15. inserting a block; 16. a convex edge; 2. a fixed seat; 21. a space; 22. a side groove; 3. a central joint; 31. accommodating grooves; 4. unlocking the lock; 41. a rod portion; 42. an operation end; 5. a blind rivet; 6. a locking block; 7. a latch bolt; 71. a second inclined plane; 8. a first elastic member; 9. a second elastic member.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.
As can be seen from the schematic structural diagrams of fig. 1 to 10, the locking mechanism in this embodiment includes a base 1, a fixed seat 2, a central joint 3 and an unlocking member 4, the fixed seat 2 is connected with the central joint 3 through a hollow rivet 5, the unlocking member 4 movably penetrates through a cavity of the hollow rivet 5, the unlocking member 4 has at least two working positions, one end of the unlocking member 4 has a locking piece 6, a locking groove 11 is formed in the base 1, the locking piece 6 is detachably located in the locking groove 11, and a space for the base 1 to be inserted in an extractable manner is formed in the fixed seat 2.
When the locking mechanism is in the locked state, as shown in fig. 5, the unlocking member 4 is in the first working position, and the locking piece 6 is located in the locking groove 11, so that the base 1 is limited in the space 21; when the locking mechanism is in the unlocked state, as shown in fig. 10, the unlocking member is in the second working position, the locking piece 6 is disengaged from the locking groove 11, and the base 1 is released.
In a preferred embodiment, the base 1 is provided with a latch tongue 7 retractably inserted into the locking groove 11, a first elastic member exerting a force on the latch tongue 7 to be inserted into the locking groove 11, and when the base 1 is inserted into the space 21 and the unlocking member 4 is in the second working position, one end of the latch tongue 7 is inserted into the locking groove 11 and positioned between the locking piece 6 and the base 1 to keep the unlocking member 4 in the second working position. Therefore, the locking mechanism has a pause function, as shown in fig. 8, the locking mechanism which is operated at present can be automatically kept in an unlocked state after being unlocked, at the moment, the locking mechanism at the other side of the unlocking cart can be operated, the locking mechanism at the other side is also kept in the unlocked state, and then a part to be disassembled (such as a seat pocket) is lifted and pulled, so that the bases 1 at the two sides are simultaneously pulled out of the fixed seat 2. The first elastic member 8 in this embodiment is a compression spring.
Preferably, when the locking mechanism is in the locked state, one end of the bolt 7 abuts against the lock block 6. In this embodiment, one end of the latch 7 has a second inclined surface 71, and the second inclined surface 71 is disposed on a side facing the fixing base 2. When the lock mechanism is in the locked state, the lock piece 6 abuts against the end of the second inclined surface 71. When the locking piece 6 moves out of the locking groove 11, the bolt 7 moves against the force of the first elastic piece 8 under the action of the second inclined surface 71 and the locking piece 6 to avoid, so that the bolt 7 and the locking piece 6 are prevented from interfering.
In a preferred embodiment, a second spring element 9 is provided between the blind rivet 5 and the unlocking element 4, which spring element moves the unlocking element 4 from the second operating position into the first operating position. After the locking mechanism is unlocked and the base 1 is pulled out of the space 21 of the fixed seat 2, the unlocking piece 4 can automatically reset under the action of the second elastic piece 9. The second elastic member 9 in this embodiment is a compression spring.
The hollow cavity of the hollow rivet 5 is a through hole arranged along the axial lead of the hollow rivet. In a preferred embodiment, the unlocking member 4 comprises a shaft 41 movably inserted into the cavity of the hollow rivet 5, and the locking piece 6 is connected to one end of the shaft 41, and the locking piece 6 and the shaft 41 are fixed by screws in this embodiment. The base 1 is provided with a first channel 12 communicated with the locking groove 11, when the base 1 is inserted into the space 21 and the unlocking piece 4 is at the second working position, the rod part 41 moves into the locking groove 11, and the rod part 41 slides through the first channel 12 in the process of pulling the base 1 out of the space 21. More preferably, the base 1 is further opened with a second passage 14 communicating with the locking groove 11 and the first passage 12, respectively, when the base 1 is inserted in the space 21 and the unlocking member 4 is in the second working position, the locking piece 6 moves from the locking groove 11 to the second passage 14, and during the process of pulling the base 1 out of the space 21, the locking piece 6 slides through the second passage 14.
Specifically, the cross-sectional dimension of the locking piece 6 is greater than the cross-sectional dimension of the rod portion 41, accordingly, the widths of the locking groove 11 and the second channel 14 match with the dimension of the locking piece 6, the width of the first channel 12 matches with the dimension of the rod portion 41, the locking groove 11 is located at one end portion of the first channel 12, the second channel 14 is located at one side of the locking groove 11 and the first channel 12, the first channel 12 and the second channel 14 are arranged in parallel, and the length directions of the first channel 12 and the second channel 14 are perpendicular to the axial direction of the rod portion 41, refer to fig. 2, fig. 6, and fig. 10. When unlocking, the unlocking piece 4 moves along the axial direction of the rod part 41, the locking piece 6 directly enters the second channel 14 from the locking groove 11, meanwhile, the rod part 41 enters the locking groove 11, at the moment, the base 1 is pulled out, along with the movement of the base 1, the rod part 41 enters the first channel 12 from the locking groove 11 and forms relative sliding with the first channel 12, meanwhile, relative sliding is formed between the locking piece 6 and the second channel 14, until the rod part 41 leaves the first channel 12, and the locking piece 6 leaves the second channel 14.
Since the unlocking member 4 is in the first operating position under the action of the second resilient member 9 in the event of the base 1 being detached from the holder 2, in order to prevent interference between the base 1 and the locking member 6 during insertion of the base 1 into the space 21, it is more preferred to provide a first inclined surface 13 in the first passage 12, which first inclined surface 13 extends from the first passage 12 to the second passage 14. During the process of inserting the base 1 into the space 21, the locking piece 6 firstly touches the first inclined surface 13, the first inclined surface 13 is in sliding contact with the locking piece 6, and the force applied by the first inclined surface 13 to the locking piece 6 is opposite to the force applied by the second elastic member 9 to the locking piece 6, so that during the process of inserting the base 1 into the space 21, the unlocking piece 4 moves against the second elastic member 9 through the interaction between the first inclined surface 13 and the locking piece 6, the locking piece 6 slides along the first inclined surface 13 to enter the second channel 14, and simultaneously the rod part 41 of the unlocking piece 4 enters the first channel 12, thereby preventing the interference between the base 1 and the locking piece 6, along with the continuous insertion of the base 1, the locking pieces 6 and 41 slide in the corresponding channels, when the base 1 is completely inserted, the rod part 41 slides relatively to the locking groove 11, at this time, under the action of the elastic member 9, the unlocking piece 4 moves, the rod part 41 exits the locking groove 11, while the locking piece 6 enters the locking groove 11 from the second channel 14.
When the bolt 7 is inserted into the lock slot 11, the bolt 7 is inserted into the end of the lock slot 11, and part of the bolt is located in the lock slot 11, and the other part of the bolt is located in the second channel 14. Therefore, in the process that the base 1 is inserted into the space 21 of the fixing seat 2, the locking piece 6 slides in the second channel 14 to be in contact with the bolt 7, the force of the first elastic piece 8 can be overcome, the bolt 7 can be ejected out of the second channel 14 and the locking groove 11, then, after the base 1 is completely inserted, the bolt 7 cannot block the locking piece 6, the unlocking piece 4 can move to the first working position under the action of the second elastic piece 9, and the locking piece 6 enters the locking groove 11 to realize locking.
In this embodiment, the base 1 has an insertion block 15 that is inserted into the space 21 in a removable manner, and the lock groove 11, the first passage 12, and the second passage 14 are all formed in the insertion block 15. The two sides of the insertion block 15 are provided with convex edges 16, the two sides of the space 21 are provided with side grooves 22 for the convex edges 16 to be inserted in a matching way in a pulling way, and after the insertion block 15 is inserted into the space 21, the axial movement between the base 1 and the fixed seat 2 in the central joint 3 is limited through the matching of the convex edges 16 and the side grooves 22.
In this embodiment, the other end of the unlocking member 4 opposite to the end of the locking piece 6 is an operation end 42, and the central joint 3 is provided with a receiving groove 31 in which the operation end 42 is movably disposed. The second elastic element 9 described above is arranged between the blind rivet 5 and the operating end 42.
Referring to fig. 11, the present embodiment also provides a stroller including a frame 100, and a seat pocket 200 detachably coupled to the frame. The seat pocket 200 is detachably connected to the frame 100 by the above-described locking mechanism, the center joint 3 is connected to the frame 100, and the seat pocket 200 is connected to the base 1.
The two locking mechanisms are symmetrically arranged at the left side and the right side of the baby stroller.
It should be noted that the structures of the frame 100 and the seat pocket 200 are not limited to the structure shown in fig. 11.
The working principle is as follows:
during unlocking, the locking mechanism on one side of the stroller can be operated firstly, the operating end 42 of the unlocking piece 4 is pressed (the second elastic piece 9 is compressed), so that the unlocking piece 4 moves to the second working position, the locking piece 6 is separated from the locking groove 11 on the base 1 and moves into the second channel 14, meanwhile, one end part of the rod part 41 of the unlocking piece 4 moves into the locking groove 11, and the locking mechanism is unlocked; because the locking piece 6 moves out of the locking groove 11, the bolt 7 moves under the action of the first elastic piece 8, the lower end of the bolt 7 enters the locking groove 11 and is clamped between the locking piece 6 and the fixed seat 2, the locking piece 6 is prevented from returning to the locking groove 11, the unlocking piece 4 is kept at the second working position, and at the moment, the locking mechanism is suspended; then, according to the same operation and principle, the locking mechanism on the other side of the child stroller is unlocked and paused (if the child stroller is operated by one hand, the locking mechanisms on the two sides can be respectively operated, and if the child stroller can be operated by two hands, the locking mechanisms on the two sides can be simultaneously operated); the seat pocket 100 or the base 1 is pulled up, and the base 1 is pulled out of the fixed seat 2 (the locking block 6 and one end of the rod part 41 respectively slide in the corresponding channels), so that the seat pocket 100 is detached. After the base 1 is pulled out, the unlocking piece 4 is reset to the first working position under the action of the second elastic piece 9.
When locking, insert base 1 in the space 21 of fixing base 2, in the insertion process, locking piece 6 and first inclined plane 13 interact, pulling unlocking piece 4 moves to the second operating position, make locking piece 6 get into in second passageway 14, pole portion 41 gets into in first passageway 12 simultaneously, a tip of locking piece 6 and pole portion 41 slides in corresponding passageway respectively, along with the insertion of base 1, locking piece 6 overcomes the ejecting locked groove 11 of the power of first elastic component 8 with spring bolt 7, after base 1 inserts completely, unlocking piece 4 moves to first operating position under the effect of second elastic component 9, locking piece 6 gets into locked groove 11 from second passageway 14, locking mechanism accomplishes the locking.
The utility model discloses children's articles for use's locking mechanical system and children's articles for use can realize fast between children's articles for use upper part, locking and unblock between the seat pocket of especially children's shallow and the frame, and locking mechanical system's simple structure, it is firm to lock, has very high security, inserts the base during locking can automatic locking, presses down during the unblock operating parts can, easy operation is convenient.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A locking mechanism for children's products, characterized in that: comprises a base (1), a fixed seat (2), a central joint (3) and an unlocking piece (4), wherein the fixed seat (2) is connected with the central joint (3) through a hollow rivet (5), the unlocking piece (4) is movably arranged in a cavity of the hollow rivet (5) in a penetrating way, the unlocking piece (4) is provided with at least two working positions, one end of the unlocking piece (4) is provided with a locking block (6), the base (1) is provided with a locking groove (11), the locking block (6) is detachably positioned in the locking groove (11), the fixed seat (2) is provided with a space (21) for the base (1) to be inserted in a pulling way,
when the locking mechanism is in a locking state, the unlocking piece (4) is in a first working position, the locking piece (6) is positioned in the locking groove (11), and the base (1) is limited in the space (21); when the locking mechanism is in an unlocking state, the unlocking piece is in a second working position, the locking piece (6) is separated from the locking groove (11), and the base (1) is released.
2. The locking mechanism for children's products according to claim 1, wherein: the base (1) in be provided with the spring bolt (7) that insert retractably the locked groove (11), to spring bolt (7) application force makes its insert the first elastic component (8) of locked groove (11), when base (1) is inserted and is established in space (21) and when unblocking piece (4) is in the second operating position, one end of spring bolt (7) is inserted the locked groove (11) and is located between locking piece (6) and fixing base (2), make unblocking piece (4) keep in the second operating position.
3. The locking mechanism for children's products according to claim 2, wherein: when the locking mechanism is in a locking state, one end of the bolt (7) abuts against the locking block (6).
4. The locking mechanism for children's products according to claim 1, wherein: unlocking piece (4) including movably wearing to establish pole portion (41) in the cavity of hollow rivet (5), locking piece (6) connect in the one end of pole portion (41), base (1) seted up with first passageway (12) that locked groove (11) are linked together, work as base (1) are inserted and are established in space (21) and unlocking piece (4) when second operating position, pole portion (41) be located locked groove (11) base (1) is extracted the in-process in space (21), pole portion (41) slide through first passageway (12).
5. The locking mechanism for children's products according to claim 4, wherein: a second elastic piece (9) for enabling the unlocking piece (4) to move from the second working position to the first working position is arranged between the hollow rivet (5) and the unlocking piece (4).
6. The locking mechanism for children's products according to claim 5, wherein: the first channel (12) is internally provided with a first inclined surface (13), the first inclined surface (13) is in sliding contact with the locking block (6) in the process of inserting the base (1) into the space (21), and the force applied to the locking block (6) by the first inclined surface (13) is opposite to the force applied to the locking block (6) by the second elastic member (9).
7. The locking mechanism for children's products according to claim 4, wherein: the base (1) is provided with a second channel (14) communicated with the locking groove (11) and the first channel (12), when the base (1) is inserted into the space (21) and the unlocking piece (4) is at a second working position, the locking piece (6) is positioned in the second channel (14), and in the process that the base (1) is pulled out of the space (21), the locking piece (6) slides through the second channel (14).
8. The locking mechanism for children's products according to claim 1, wherein: the other end of the unlocking piece (4) opposite to the end where the locking piece (6) is located is an operating end (42), and the central joint (3) is provided with an accommodating groove (31) for the operating end (42) to be movably arranged in.
9. The locking mechanism for children's products according to claim 1, wherein: base (1) have and insert with can extracting insert piece (15) in space (21), locked groove (11) set up insert piece (15) on, the both sides of inserting piece (15) have chimb (16), the both sides in space (21) have the confession chimb (16) cooperation ground can extract male side groove (22).
10. A children's article, characterized in that: the children's article is a children's stroller, the children's stroller comprises a frame (100) and a seat pocket (200) detachably connected with the frame, the seat pocket (200) is detachably connected with the frame (100) through a locking mechanism of any one of claims 1 to 9, the central joint (3) is connected with the frame (100), and the seat pocket (200) is connected with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319178.0U CN209904857U (en) | 2019-03-13 | 2019-03-13 | Locking mechanism of children's article and children's article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319178.0U CN209904857U (en) | 2019-03-13 | 2019-03-13 | Locking mechanism of children's article and children's article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209904857U true CN209904857U (en) | 2020-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920319178.0U Withdrawn - After Issue CN209904857U (en) | 2019-03-13 | 2019-03-13 | Locking mechanism of children's article and children's article |
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| Country | Link |
|---|---|
| CN (1) | CN209904857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001741A (en) * | 2019-03-13 | 2019-07-12 | 好孩子儿童用品有限公司 | The locking mechanism and articles for children of articles for children |
-
2019
- 2019-03-13 CN CN201920319178.0U patent/CN209904857U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001741A (en) * | 2019-03-13 | 2019-07-12 | 好孩子儿童用品有限公司 | The locking mechanism and articles for children of articles for children |
| CN110001741B (en) * | 2019-03-13 | 2023-12-29 | 好孩子儿童用品有限公司 | Locking mechanism of children's products and children's products |
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