CN109938458B - Restraint system for children's products - Google Patents
Restraint system for children's products Download PDFInfo
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- CN109938458B CN109938458B CN201910178908.4A CN201910178908A CN109938458B CN 109938458 B CN109938458 B CN 109938458B CN 201910178908 A CN201910178908 A CN 201910178908A CN 109938458 B CN109938458 B CN 109938458B
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- hasp
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- locking
- base
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- 230000000670 limiting effect Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Buckles (AREA)
Abstract
The invention discloses a binding system of children articles, which comprises shoulder straps, a hasp connecting belt and a locking device, wherein the locking device comprises a hasp ring and a hasp base, the hasp ring is provided with a first magnetic piece, the hasp base is provided with a second magnetic piece, a locking position for accommodating the hasp ring is arranged on the hasp base, a limiting mechanism is arranged between the hasp ring and the hasp base, when the locking device is in a locking state, the first magnetic piece and the second magnetic piece attract each other to enable the hasp ring to enter the locking position, and the limiting mechanism limits the hasp ring at the locking position; the locking device further includes an unlocking piece for releasing the restriction of the snap ring by the stopper mechanism by operating the unlocking piece. According to the binding system of the children articles, the locking mode of the hasp ring and the hasp base adopts magnetic attraction, so that the children articles can be quickly positioned and locked, the operation is easy, simple and convenient, and meanwhile, in the locking state, the hasp ring is limited at the locking position by the limiting mechanism, so that the locking safety is ensured.
Description
Technical Field
The invention relates to a restraint system for children articles.
Background
The restraint system is widely applied to children products, such as a child cart, a child car seat, a child electric car and the like, so as to ensure personal safety of the children. The locking buckle is an important structure in the restraint system and generally comprises a buckle base and two buckle rings which are detachably connected with the buckle base, and the locking and unlocking of the restraint system are realized through the connection and disconnection of the buckle base and the buckle rings. The existing locking hasp adopts a traditional plug-in structure, realizes locking and unlocking completely through a mechanical structure, and is difficult to operate and inconvenient because the existing locking hasp needs to be aligned with a socket and is forcefully inserted tightly during locking.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a restraint system for children's products.
In order to achieve the above purpose, the invention adopts the following technical scheme: a restraint system of children articles comprises shoulder straps, a snap-fit connection belt and a locking device, wherein the locking device comprises a snap-fit ring arranged on the shoulder straps and a snap-fit base arranged on the snap-fit connection belt, when the locking device is in a locking state, the snap-fit ring is connected with the snap-fit base, when the locking device is in an unlocking state, the snap-fit ring is separated from the snap-fit base,
the snap ring is provided with a first magnetic part, the snap base is provided with a second magnetic part, the snap base is provided with a locking position for accommodating the snap ring, a limiting mechanism is arranged between the snap ring and the snap base, when the locking device is in a locking state, the first magnetic part and the second magnetic part are attracted mutually to enable the snap ring to enter the locking position, and the limiting mechanism limits the snap ring at the locking position;
the locking device further includes an unlocking piece for releasing the restriction of the snap ring by the stopper mechanism by operating the unlocking piece.
Further, a limiting area adjacent to the locking position is arranged above the hasp base, and the limiting mechanism comprises a fixing piece, wherein one end of the fixing piece is rotatably connected to the unlocking piece, the other end of the fixing piece can be located in the limiting area in a separated mode, and a first elastic piece is used for applying force to the fixing piece to enable the other end of the fixing piece to enter the limiting area; during the process of the snap ring entering the locking position, the snap ring is in sliding contact with the other end of the fixing piece and exerts a force on the fixing piece that causes the other end to leave the limit area.
Further, the unlocking piece is provided with a convex part which is formed on one end of the fixing piece and resists the fixing piece to rotate in one direction only.
Further, a blocking piece is connected to the hasp base, and when the other end of the fixing piece is located in the limiting area, the fixing piece is propped against the blocking piece by the first elastic piece.
Further, the unlocking piece is arranged on the hasp base in a sliding mode, the unlocking piece is provided with a first position and a second position, when the unlocking piece is in the first position, the unlocking piece is provided with a force applied to the fixing piece to enable the other end of the locking piece to leave the limiting area, and the hasp base is further provided with a second elastic piece which is used for applying force to the unlocking piece to enable the unlocking piece to return to the second position.
Further, when the locking device is in the locked state, the unlocking member is in the second position.
Further, a guide mechanism for enabling the snap ring to enter the locking position is arranged between the snap ring and the snap base, and comprises a first inclined surface arranged on the snap base and a second inclined surface which is arranged on the snap ring and can be in sliding contact with the first inclined surface.
Further, the stopper mechanism includes a pair of ribs provided on the buckle base, the pair of ribs being located on both sides of the buckle ring in the front-rear direction, respectively, when the buckle ring is in the locked position.
Further, when the snap ring is at the locking position, the other end of the fixing piece is positioned at one side of the snap ring in the left-right direction; the limiting mechanism comprises a first stop block arranged on the hasp base and a second stop block arranged on the hasp ring, and when the hasp ring is in a locking position, the first stop block is used for blocking the second stop block so as to prevent the hasp ring from moving to the other side in the left-right direction.
Further, the first magnetic member is positioned directly above the second magnetic member when the snap ring is in the locked position.
By adopting the technical scheme, the locking mode of the hasp ring and the hasp base of the binding system for the children supplies adopts magnetic attraction, so that the binding system can be rapidly positioned and locked, is easy and convenient to operate, and simultaneously, in a locking state, the hasp ring is limited at a locking position by the limiting mechanism, so that the locking safety is ensured.
Drawings
FIG. 1 is a schematic top view of a locking device of the restraint system of the child product of the present invention in a locked condition;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic view of the cross-section of FIG. 2 during a locking process;
FIG. 4 is a schematic view of the cross-section of FIG. 2 during an unlocking process;
FIG. 5 is a schematic perspective view of a locking device in the restraint system of the child product of the present invention in an unlocked state;
FIG. 6 is a schematic perspective view of a locking device of the restraint system of the child product of the present invention in a locked condition;
FIG. 7 is a schematic view of the structure of the snap base, the limiting mechanism, and the unlocking member of the locking device in the restraint system of the child product of the present invention;
FIG. 8 is a schematic view of the structure of the snap base, second elastic member of the locking device of the binding system of the child product of the present invention;
FIG. 9 is a schematic view of the structure of the snap ring of the locking device in the binding system of the child product of the present invention;
fig. 10 is a schematic structural view of the restraint system applied to a stroller.
The reference numerals in the figures are:
1. a snap ring; 11. a first magnetic member; 12. a guide rib; 121. a second inclined surface; 13. a second stopper; 14. perforating the shoulder strap;
2. a hasp base; 21. a second magnetic member; 22. a guide groove; 221. a first inclined surface; 23. a first stopper; 24. a fixing piece; 241. a rotating shaft; 25. a first elastic member; 26. an upper cover; 27. a limit area; 28. a blocking rib; 29. perforating the connecting belt;
3. an unlocking member; 31. a convex portion; 32. a second elastic member;
4. a shoulder strap;
5. the strap is connected by a snap.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.
The directions front, rear, left, right, up, down, etc. in the description and the claims of the present invention are intended to describe relative positional relationships between components, and are not necessarily used to describe actual state positions and directions of the binding system of the present application in use, namely: the front and the back are opposite directions, the left and the right are opposite directions, the upper and the lower are opposite directions, the front and the back are perpendicular to the left and the right directions, the front and the back are perpendicular to the up and the down directions, and the left and the right are perpendicular to the up and the down directions.
As can be seen from the structural schematic diagrams of fig. 1 to 10, the restraint system for the child product in this embodiment includes a shoulder strap 4, a buckle strap 5, and a locking device including a buckle ring 1 provided on the shoulder strap 4, a buckle base 2 provided on the buckle strap 5, the buckle ring 1 being connected to the buckle base 2 when the locking device is in a locked state, and the buckle ring 1 being disconnected from the buckle base 2 when the locking device is in an unlocked state. Specifically, the snap ring 1 is provided with a shoulder strap through hole 14 for connecting with the shoulder strap 4, and the snap base 2 is provided with a connecting strap through hole 29 for connecting with the snap connecting strap 5. It should be noted that the child articles used in the restraint system are not limited to the stroller illustrated in fig. 10.
The snap ring 1 is provided with a first magnetic piece 11, the snap base 2 is provided with a second magnetic piece 21, the snap base 2 is provided with a locking position for accommodating the snap ring 1, a limiting mechanism is arranged between the snap ring 1 and the snap base 2, when the locking device is in a locking state, the first magnetic piece 11 and the second magnetic piece 21 are attracted mutually to enable the snap ring 1 to enter the locking position, and the limiting mechanism limits the snap ring 1 to the locking position.
Specifically, when the snap ring is in the locked position, the first magnetic member 11 is located directly above the second magnetic member 21.
The locking device further includes an unlocking piece 3 for releasing the restriction of the snap ring 1 by the stopper mechanism by operating it.
The limiting mechanism comprises a fixing piece 24 with one end rotatably connected to the unlocking piece 3 through a rotating shaft 241 and a first elastic piece 25 for applying force to the fixing piece 24. The snap base 2 has a limit area 27 above adjacent to the above-mentioned locking position, and the other end of the fixing piece 24 is detachably located in the limit area 27. When the snap ring 1 is in the locking position, the other end of the fixing piece 24 is positioned in the limit area 27 and prevents the snap ring 1 from moving from the locking position to the limit area; during the process of bringing the snap ring 1 into the locking position, the snap ring 1 is brought into sliding contact with the other end of the fixing piece 24 and exerts a force on the fixing piece 24 to move the other end away from the limit area 27, so that the snap ring 1 can push away the fixing piece 24 into the locking position. When the snap ring 1 enters the locking position, the snap ring 1 is separated from the fixing piece 24, the fixing piece 24 is pushed by the first elastic piece 25 to enable the other end of the fixing piece 24 to enter the limiting area 27, and at this time, the fixing piece 24 forms a blocking for the snap ring 1. Specifically, the first elastic member 25 is a compression spring provided below the fixing piece 24.
In a more preferred embodiment, the other end of the fixing piece 24 is located on one side of the snap ring 1 in the left-right direction when the snap ring 1 is in the locked position, and the fixing piece 24 is for preventing the snap ring 1 from moving to one side thereof in the left-right direction; the limit mechanism further includes a first stopper 23 provided on the buckle base 2, and a second stopper 13 provided on the buckle 1, the first stopper 23 forming a block against the second stopper 13 when the buckle 1 is in the locked position so as to prevent the buckle 1 from moving to the other side in the left-right direction thereof.
In a more preferred embodiment, the stopper mechanism further includes a pair of ribs 28 provided on the buckle base 2, the pair of ribs 28 being located on both sides of the buckle 1 in the front-rear direction when the buckle 1 is in the locked position, respectively, so as to restrict the movement of the buckle 1 in the front-rear direction. Specifically, the pair of ribs 28 respectively abut on the front and rear sides of the second stopper 13, and the movement of the snap ring 1 in the front and rear direction is regulated by regulating the second stopper 13.
In a more preferred embodiment, a guide mechanism is provided between the snap ring 1 and the snap base 2, which guide mechanism enables the snap ring 1 to push the securing tab 24 more smoothly into the locked position during the above-described movement of the snap ring 1 into the locked position. The guide mechanism, as shown in fig. 5 and 9, comprises a first inclined surface 221 arranged on the buckle base 2, and a second inclined surface 121 arranged on the buckle ring 1 and capable of sliding contact with the first inclined surface 221, more specifically, a guide groove 22 is arranged on the buckle base 2, the first inclined surface 221 is arranged in the guide groove 22, a guide rib 12 is arranged on the buckle ring 1, the second inclined surface 121 is arranged on the guide rib 12, and the guide rib 12 slides into the guide groove 22 while the second inclined surface 121 slides along the first inclined surface 221 in the process of entering the locking position of the buckle ring 1.
The unlocking member 3 is slidably arranged on the buckle base 2, the unlocking member 3 having a first position and a second position, the unlocking member 3 being in the second position when the locking device is in the locked state. When the unlocking piece 3 is in the first position, the unlocking piece drives the fixing piece 24 to enable the other end of the fixing piece 24 to leave the limiting area 27, and at the moment, the snap ring 1 can be separated from the locking position. The buckle base 2 is further provided with a second elastic member 32 for applying a force to the unlocking member 3 to return to the second position, and specifically, the second elastic member 32 is a compression spring disposed below the unlocking member 3.
In a more preferred embodiment, the unlocking member 3 has a protrusion 31 formed on one end of the fixing piece 24 to resist the rotation of the fixing piece 24 in only one direction, i.e., in the position shown in fig. 2, the fixing piece 24 can only rotate downward but not upward. Thus, when the unlocking member 3 is operated to move from the second position to the first position, the fixing piece 24 cannot rotate about the rotation shaft 241, but can only leave the limit area 27 as the unlocking member 3 moves downward. Specifically, the protrusion 31 abuts against one end of the fixing piece 24 above the rotation shaft 241, so that the fixing piece 24 as a whole cannot be rotated upward. More specifically, the fixing piece 24 is formed into a stepped shape by bending, one end of which is a higher level and the other end of which is a lower level, and the convex portion 31 abuts against the higher level.
In a more preferred embodiment, the buckle base 2 is connected with a blocking member, and the first elastic member 25 abuts the fixing piece 24 against the blocking member when the other end of the fixing piece 24 is located in the limit area 27. Specifically, the stopper in this embodiment is an upper cover 26 attached above the buckle base 2, and as shown in fig. 2, when the other end of the fixing piece 24 is located in the limit area 27, the edge of the upper cover 26 forms a stop above the other end of the fixing piece 24.
The number of the snap rings 1 is two, and the snap rings are symmetrically arranged at the left side and the right side of the snap base 2. Correspondingly, the limit mechanism and the guide mechanism are respectively provided with two groups.
Working principle:
when locked, the snap ring 1 is close to the snap base 2, as shown in fig. 5; the snap ring 1 is attracted to the snap base 2 and moves toward the locking position due to the attraction force of the first magnetic member 11 and the second magnetic member 22, and during the movement of the snap ring 1 toward the locking position, as shown in fig. 3, the snap ring 1 is pressed against the fixing piece 24 and rotates the fixing piece 24 downward about the rotation shaft 241, thereby pushing away the fixing piece 24; under the action of magnetic attraction, the guide rib 12 on the hasp ring 1 is matched with the guide groove 22 on the hasp base 2, so that the upper hasp ring 1 smoothly enters a preset position; after the snap ring 1 enters the locking position, the fixing piece 24 is disengaged from the pressing of the snap ring 1, and is reset by the resilience of the first elastic piece 25, as shown in fig. 2, the movement of the snap ring 1 is blocked (the movement of the snap ring 1 on the right side of the snap ring base 2 is blocked by the corresponding fixing piece 24 and the movement of the snap ring 1 on the left side of the snap ring base 2 is blocked by the corresponding fixing piece 24), while the first stopper 23 on the snap ring base 2 abuts on the right/left side of the second stopper 13 of the snap ring 1 to block the movement of the snap ring 1 (the first stopper 23 on the right side of the snap ring base 2 abuts on the right side of the second stopper 13 to block the movement of the snap ring 1 on the right side to the left side is blocked), and the stopper 28 on the snap ring base 2 is used to block the movement of the snap ring 1 in the left-right direction. Thereby completing the locking as shown in fig. 6.
When the unlocking piece 3 is pressed downwards, as shown in fig. 4, the unlocking piece 3 drives the fixing piece 24 to move downwards, so that the other end of the fixing piece 24 is separated from the limiting area 27, at the moment, the blocking of the fixing piece 24 is lost, the snap ring 1 can be pulled, at the moment, the snap ring 1 is pulled to overcome the attractive force between magnetic pieces, and the snap ring 1 can be separated from the snap base 2, so that the unlocking is achieved.
According to the binding system of the children articles, the locking mode of the hasp ring and the hasp base adopts magnetic attraction, so that the children articles can be quickly positioned and locked, the operation is easy, simple and convenient, and meanwhile, in the locking state, the hasp ring is limited at the locking position by the limiting mechanism, so that the locking safety is ensured.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a restraint system of children's articles for use, includes baldric (4), hasp connecting area (5) and locking device, locking device is including setting up hasp ring (1) on baldric (4), set up hasp base (2) on hasp connecting area (5), when locking device is in the locked state, hasp ring (1) are connected with hasp base (2), when locking device is in the unlocked state, hasp ring (1) breaks away from with hasp base (2), its characterized in that:
the hasp ring (1) is provided with a first magnetic piece (11), the hasp base (2) is provided with a second magnetic piece (21), the hasp base (2) is provided with a locking position for accommodating the hasp ring (1), a limiting mechanism is arranged between the hasp ring (1) and the hasp base (2), when the locking device is in a locking state, the first magnetic piece (11) and the second magnetic piece (21) attract each other to enable the hasp ring (1) to enter the locking position, and the limiting mechanism limits the hasp ring (1) to the locking position;
the locking device also comprises an unlocking piece (3) which is operated to release the limiting action of the limiting mechanism on the hasp ring (1),
the lock catch base (2) is provided with a limiting area (27) adjacent to the locking position, the limiting mechanism comprises a fixing piece (24) with one end rotatably connected to the unlocking piece (3) and the other end capable of being separated from the unlocking piece and positioned in the limiting area (27), and a first elastic piece (25) for applying force to the fixing piece (24) to enable the other end of the fixing piece to enter the limiting area (27), and when the lock catch ring (1) is in the locking position, the other end of the fixing piece (24) is positioned in the limiting area (27) and prevents the lock catch ring (1) from moving from the locking position to the limiting area; in the process that the hasp ring (1) enters the locking position, the hasp ring (1) is in sliding contact with the other end of the fixing piece (24) and applies force for enabling the other end of the fixing piece (24) to leave a limiting area (27), a blocking piece is connected to the hasp base (2), when the other end of the fixing piece (24) is located in the limiting area (27), the first elastic piece (25) enables the fixing piece (24) to abut against the blocking piece, a convex part (31) which enables the fixing piece (24) to rotate only in one direction is formed on one end of the unlocking piece (3),
the unlocking piece (3) is slidably arranged on the hasp base (2), the unlocking piece (3) is provided with a first position and a second position, when the unlocking piece (3) is positioned at the first position, the unlocking piece (3) is provided with a force applied to the fixing piece (24) to enable the other end of the unlocking piece to leave the limiting area (27), the hasp base (2) is further provided with a second elastic piece (32) which is used for applying force to the unlocking piece (3) to enable the unlocking piece (3) to return to the second position, and when the unlocking piece (3) is operated to move from the second position to the first position, the fixing piece (24) can only move downwards along with the unlocking piece (3) to leave the limiting area (27).
2. The child restraint system of claim 1, wherein: when the locking device is in a locked state, the unlocking piece (3) is in a second position.
3. The child restraint system of claim 1, wherein: the locking device is characterized in that a guiding mechanism for enabling the locking ring (1) to enter a locking position is arranged between the locking ring (1) and the locking base (2), and comprises a first inclined surface (221) arranged on the locking base (2) and a second inclined surface (121) arranged on the locking ring (1) and capable of being in sliding contact with the first inclined surface (221).
4. The child restraint system of claim 1, wherein: the limiting mechanism comprises a pair of blocking ribs (28) arranged on the hasp base (2), and when the hasp ring (1) is in a locking position, the blocking ribs (28) are respectively positioned on two sides of the hasp ring (1) in the front-rear direction.
5. The child restraint system of claim 1, wherein: when the snap ring (1) is at the locking position, the other end of the fixing piece (24) is positioned at one side of the snap ring (1) in the left-right direction; the limiting mechanism comprises a first stop block (23) arranged on the hasp base (2) and a second stop block (13) arranged on the hasp ring (1), and when the hasp ring (1) is in a locking position, the first stop block (23) is used for blocking the second stop block (13) so as to prevent the hasp ring (1) from moving to the other side in the left-right direction.
6. The child restraint system of claim 1, wherein: when the snap ring is in the locked position, the first magnetic member (11) is positioned directly above the second magnetic member (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178908.4A CN109938458B (en) | 2019-03-11 | 2019-03-11 | Restraint system for children's products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178908.4A CN109938458B (en) | 2019-03-11 | 2019-03-11 | Restraint system for children's products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109938458A CN109938458A (en) | 2019-06-28 |
| CN109938458B true CN109938458B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178908.4A Active CN109938458B (en) | 2019-03-11 | 2019-03-11 | Restraint system for children's products |
Country Status (1)
| Country | Link |
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| CN (1) | CN109938458B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584273A (en) * | 2019-09-02 | 2019-12-20 | 联扬塑胶(深圳)有限公司 | Fastener capable of unlocking and automatically separating |
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|---|---|---|---|---|
| JP2005212682A (en) * | 2004-01-30 | 2005-08-11 | Takata Corp | Method for manufacturing magnetic sensor for buckle device, and buckle device |
| CN103957739A (en) * | 2011-11-23 | 2014-07-30 | 费得洛克有限公司 | Locking device |
| CN104585978A (en) * | 2014-12-03 | 2015-05-06 | 江苏江永新材料科技有限公司 | Safety belt buckle |
| CN109431012A (en) * | 2018-12-18 | 2019-03-08 | 福建省石狮市华联服装配件企业有限公司 | A kind of magnetic fastener |
| CN210018096U (en) * | 2019-03-11 | 2020-02-07 | 好孩子儿童用品有限公司 | Restraint system for children's articles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014090926A1 (en) * | 2012-12-14 | 2014-06-19 | Fidlock Gmbh | Closure device for detachably connecting two parts |
-
2019
- 2019-03-11 CN CN201910178908.4A patent/CN109938458B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005212682A (en) * | 2004-01-30 | 2005-08-11 | Takata Corp | Method for manufacturing magnetic sensor for buckle device, and buckle device |
| CN103957739A (en) * | 2011-11-23 | 2014-07-30 | 费得洛克有限公司 | Locking device |
| CN104585978A (en) * | 2014-12-03 | 2015-05-06 | 江苏江永新材料科技有限公司 | Safety belt buckle |
| CN109431012A (en) * | 2018-12-18 | 2019-03-08 | 福建省石狮市华联服装配件企业有限公司 | A kind of magnetic fastener |
| CN210018096U (en) * | 2019-03-11 | 2020-02-07 | 好孩子儿童用品有限公司 | Restraint system for children's articles |
Also Published As
| Publication number | Publication date |
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| CN109938458A (en) | 2019-06-28 |
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