CN220966587U

CN220966587U - Unlocking button and safety buckle with same

Info

Publication number: CN220966587U
Application number: CN202322712776.3U
Authority: CN
Inventors: 魏辰龙; 李飞
Original assignee: Wuxi Lee Care Child Product Co ltd
Current assignee: Wuxi Lee Care Child Product Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-17
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a safety buckle, which comprises a first buckle part, a second buckle part and an unlocking button, wherein the first buckle part is magnetically connected with the second buckle part to realize locking, a slot is arranged between the first buckle part and the second buckle part, the unlocking button is formed into a whole by adopting a plastic piece in an injection molding mode, the unlocking button is pressed on the second buckle part, the unlocking button can be matched with the slot when not pressed so as to ensure that the first buckle part and the second buckle part are kept locked, and the unlocking button can move downwards until moving out of the slot to realize unlocking of the second buckle part and the first buckle part when pressed. Through the mode, the safety buckle disclosed by the utility model is simple in structure, convenient to assemble and disassemble, has an excellent elastic extrusion function, can smoothly and stably perform extrusion action, does not deviate a movement path, and can accurately reset to an original position after the extrusion force is released; the unlocking process is gradually applied with force, unlocking caused by false touching or extrusion with slight force is avoided, and locking safety of children products is greatly improved.

Description

Unlocking button and safety buckle with same

Technical Field

The utility model relates to the technical field of safety buckles, in particular to an unlocking button and a safety buckle with the same.

Background

Most children's products have safety buckles, such as harnesses, safety seats, carts, helmets, backpacks, etc., that are locked together in a removable connection. The safety buckle unlocking modes are various, and the conventional unlocking modes are separated by the extrusion of an operator.

The conventional unlocking button is complex in structure, inconvenient to assemble and disassemble, and has low strength and long service life, and most of the unlocking buttons are assembled and are required to be replaced frequently.

In addition, the extrusion type unlocking mode is easy to unlock by mistake, and potential safety hazards exist; or the movement path of the unlocking button after being extruded is deviated, the established unlocking cannot be completed, and the original position cannot be restored, so that the safety protection function of the safety buckle cannot be exerted.

Disclosure of utility model

The technical problem to be solved mainly by the utility model is to provide the unlocking button and the safety buckle with the unlocking button, wherein the unlocking button is formed into a whole by adopting a plastic part in an injection molding mode, has an excellent elastic extrusion function, can smoothly and stably carry out extrusion action, does not deviate a movement path, and can be reset to the original accurate position after the extrusion force is released; the safety buckle has the advantages that the structure is simple, the disassembly and the assembly are convenient, the unlocking process needs to be applied with force step by step, so that the unlocking condition caused by mistaken touch or extrusion with slight application of force is avoided, and the locking safety of the children products is greatly improved.

In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided an unlock button including: an elastic part, a button part and a locking part,

The locking part is connected with the lower end of the button part in an elastically deformable mode, and the button part, the locking part and the elastic part are connected together in a surrounding mode to form an integral unlocking button;

The button part is provided with a button body, a first extrusion part and a second extrusion part which are connected with the button body,

The locking part is provided with a locking insert block which is clamped or separated from the slot, the rear end of the locking insert block is provided with an unlocking boss, the unlocking boss is provided with a first abutting part which is in action with the extrusion part, the front end of the locking insert block is provided with a second abutting part which is in action with the extrusion part,

An elastic transition piece is further connected between the rear end of the locking insert block and the first abutting part, and the elastic transition piece has a trend of driving the locking insert block to move downwards after extrusion deformation.

In a preferred embodiment of the present utility model, the elastic portion is formed by symmetrically connecting two ends of the button body, and the locking portion is formed by symmetrically connecting two ends of the button body.

In a preferred embodiment of the present utility model, the first pressing portion has a first pressing surface, the first abutting portion has a first abutting surface, and the first pressing surface has a tendency to abut against the first abutting surface after the first pressing portion is deformed by pressing;

The second extrusion part is provided with a second extrusion surface, the second abutting part is provided with a second abutting surface, and the second extrusion surface has a tendency of abutting against the second abutting surface after the second extrusion part is extruded and deformed.

In a preferred embodiment of the present utility model, a first idle stroke is reserved between the first pressing surface and the first abutting surface, a second idle stroke is reserved between the second pressing surface and the second abutting surface, and a stroke distance of the second idle stroke is greater than a stroke distance of the first idle stroke.

In a preferred embodiment of the present utility model, the first idle stroke has a stroke distance of 0.5mm to 2.3mm, and the second idle stroke has a stroke distance of 3.0mm to 3.5mm.

In a preferred embodiment of the present utility model, the elastic transition piece includes a first curved portion and a second curved portion connected to each other, and a limit boss capable of moving downward along a defined path is provided at a bottom end surface of a connection position of the first curved portion and the second curved portion.

In order to solve the technical problems, the utility model adopts another technical scheme that: the utility model provides a safety buckle, including interconnect's first knot portion and second knot portion and unlocking button, be formed with a slot between first knot portion and the second knot portion, unlocking button pressure equipment is at second knot portion: the unlocking button can be matched with the slot when not extruded so as to ensure that the first buckling part and the second buckling part are kept in locking connection, and can move downwards until moving out of the slot when extruded so as to realize unlocking of the second buckling part and the first buckling part.

In a preferred embodiment of the utility model, the first and second fastening parts are locked to each other in a magnetic connection.

In a preferred embodiment of the present utility model, the first fastening portion includes a left lower cover, a first magnet cover, a right lower cover, and a second magnet cover: the bottom of the left lower cover is provided with a left lower cover middle hole and a left lower cover side hole, a first magnet is arranged in the left lower cover middle hole, a second magnet is arranged in the left lower cover side hole, and the first magnet cover is used for covering the left lower cover middle hole and the left lower cover side hole and is welded and fixed by ultrasonic waves; the right lower cover is provided with a right lower cover side hole, a magnet II is arranged in the right lower cover side hole, and the magnet II is used for covering the right lower cover side hole and is welded and fixed by ultrasonic waves; the left lower cover and the right lower cover are mutually attracted through a second magnet to form a first buckling part; the second buckling part comprises a bottom cover, a bottom cover middle hole is formed in the bottom cover, a first magnet is arranged in the bottom cover middle hole, and the second buckling part and the first buckling part are attracted to each other through the first magnet.

In a preferred embodiment of the present utility model, the bottom cover is provided with a mounting cavity adapted to the unlocking button: the left side and the right side of the installation cavity are provided with button sliding tables, and the button body of the unlocking button extrudes and elastically moves along the button sliding tables; a positioning boss is arranged at the top end of the mounting cavity, and a central positioning groove of the unlocking button elastic part is kept matched with the positioning boss; the installation cavity bottom is equipped with two spacing spouts, and the spacing boss of release button elastic transition piece department is restricted to slide in this spacing spout, is equipped with a transition slip table between two spacing spouts, and release button's elastic transition piece extrudees elastic motion along the transition slip table.

The beneficial effects of the utility model are as follows:

The unlocking button is formed into a whole by adopting a plastic part in an injection molding mode, no additional assembly operation is needed, the overall strength of the unlocking button can be improved, the service durability of the unlocking button is relatively enhanced, and the unlocking button has an excellent elastic extrusion function and can smoothly and stably carry out extrusion action;

The movement path of the unlocking button after being extruded cannot deviate, and the unlocking button can be accurately reset to the original position after the extrusion force is released;

The safety buckle has the advantages that the structure is simple, the disassembly and the assembly are convenient, the unlocking process needs to be applied with force step by step, so that the unlocking condition caused by mistaken touch or extrusion with slight application of force is avoided, and the locking safety of the children products is greatly improved.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic perspective view of an unlocking button according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a front view of an unlock button according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of an exploded structure of a preferred embodiment of the first buckle portion of the present utility model;

FIG. 4 is a schematic view of the bottom surface of the left lower cover in the first fastening part of the present utility model;

FIG. 5 is a schematic view of an assembly structure of a preferred embodiment of the first buckle portion of the present utility model;

FIG. 6 is a schematic view of a second buckle portion according to a preferred embodiment of the present utility model;

FIG. 7 is a schematic view of an assembly structure of a preferred embodiment of the first and second fastening parts of the present utility model;

FIG. 8 is a schematic view of an assembly structure of a preferred embodiment of the unlocking button and the first and second fastening parts of the present utility model;

FIG. 9 is an exploded view of a preferred embodiment of the safety buckle of the present utility model;

FIG. 10 is a schematic view of an assembly structure of a safety buckle according to a preferred embodiment of the present utility model;

The components in the drawings are marked as follows:

100. Unlocking button, 110, elastic part, 111, center positioning groove, 120, button part, 121, first pressing part, 121-1, first pressing surface, 122, second pressing part, 122-1, second pressing surface, 123, button body, 130, locking part, 131, locking insert, 132, unlocking boss, 133, first abutting part, 133-1, first abutting surface, 134, second abutting part, 134-1, second abutting surface, 140, elastic transition piece, 141, first bending part, 142, second bending part, 143, limit boss 150, first idle stroke, 160, second idle stroke,

200. A first buckling part 210, a left lower cover 211, a left lower cover middle hole 212, a left lower cover side hole 213, a left circular arc matching end 220, a right lower cover 221, a right lower cover side hole 222, a right circular arc matching end 230, a first magnet cover 240 and a second magnet cover 240,

300. The second buckling part 310, a middle hole of the bottom cover 320, a mounting cavity 321, a button sliding table 322, a positioning boss 323, a limiting sliding groove 324 and a transition sliding table,

400. Slot 500, magnet one, 600, magnet two, 700, upper cover 800, left plug, 900, right plug.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The present utility model relates to a preferred embodiment of an unlocking button.

Referring to fig. 1-2, the structure of the unlocking button provided by the application is shown, and the unlocking button is mainly used for safety locking of children products. The unlocking button provided by the application is formed into a whole by adopting a plastic part in an injection molding mode, no additional assembly operation is needed, the overall strength of the unlocking button can be improved, the service durability of the unlocking button is relatively enhanced, and the unlocking button has an excellent elastic extrusion function and can accurately and stably carry out extrusion action.

In the present application, the unlocking button 100 includes an elastic portion 110, a button portion 120, and a locking portion 130, and the elastic portion 110, the button portion 120, and the locking portion 130 are integrally formed by an injection molding method.

The elastic part 110 is connected with the upper end of the button part 120 in an elastically deformable manner, the locking part 130 is connected with the lower end of the button part 120 in an elastically deformable manner, and the button part 120, the locking part 130 and the elastic part 110 are surrounded together to form an integral unlocking button.

Further, the button portion 120 has a button body 123, and a first pressing portion 121 and a second pressing portion 122 connected to the button body 123, wherein the first pressing portion 121 has a first pressing surface 121-1, and the second pressing portion 122 has a second pressing surface 122-1.

The elastic portion 110 is formed by symmetrically connecting both ends of the button body 123, and the locking portion 130 is formed by symmetrically connecting both ends of the button body 123, so that the pressing operation can be accurately performed, that is, when the operator applies force to the button portion 120 of the unlocking button 100 in opposite directions, the same elastic deformation can be performed on the left and right sides of the elastic portion 110 and the left and right sides of the locking portion 130 in opposite directions, and the unlocking button can be reset to the original accurate position without being deviated.

Further, the locking portion 130 includes a locking plug 131, and the locking plug 131 is configured to be capable of being engaged with or disengaged from the slot 400. The rear end of the locking insert 131 is provided with an unlocking boss 132, the unlocking boss 132 is provided with an abutting part I133 which acts with the pressing part I121, the abutting part I133 is provided with an abutting surface I133-1, and the pressing surface I121-1 has a mutual abutting trend with the abutting surface I133-1 after the pressing part I121 is pressed and deformed.

The front end of the locking insert 131 has a second abutting portion 134 that acts on the second pressing portion 122, the second abutting portion 134 has a second abutting surface 134-1, and the second pressing portion 122 is pressed and deformed to form a second pressing surface 122-1 with a tendency to abut against the second abutting surface 134-1.

The first pressing surface 121-1 and the first abutting surface 133-1 are provided as smooth slopes, and the second pressing surface 122-1 is provided as a smooth slope, so that the contact area can be increased, and the downward pressing sliding tendency of the first pressing portion 121 and the second pressing portion 122 can be increased.

In the present application, a first idle stroke 150 is reserved between the first pressing surface 121-1 and the first abutting surface 133-1, so that only a sufficient force is applied to enable the first pressing portion 121 to interact with the first abutting portion 131; the second pressing surface 122-1 and the second abutting surface 134-1 are reserved with a second idle stroke 160, and the second idle stroke 160 has a larger stroke distance than the first idle stroke 150, so that the second pressing portion 122 and the second abutting portion 134 can interact only if enough force is continuously applied again.

Preferably, the first idle stroke 150 has a stroke distance of 0.5mm-2.3mm, and the second idle stroke 160 has a stroke distance of 3.0mm-3.5mm, so that the operator can be ensured to operate stably and comfortably, and the unlocking can be ensured to be accurate and stable.

Further, an elastic transition piece 140 is further connected between the rear end of the locking insert 131 and the abutting portion 133, and the elastic transition piece 140 has a tendency to drive the locking insert 131 to move downward after being deformed by extrusion.

The elastic transition piece 140 includes a first bending portion 141 and a second bending portion 142 that are connected to each other, a limiting boss 143 that can move downward along a defined path is disposed at a bottom end surface of a connection position of the first bending portion 141 and the second bending portion 142, and when the elastic transition piece 140 is deformed by being pressed by force, the limiting boss 143 can move downward along a predetermined path, so that the locking insert 131 can move downward along the elastic transition piece 140 as a whole until the locking insert is moved out of the slot 400 to complete unlocking.

Example two

The utility model also relates to a preferred embodiment of the safety buckle.

Referring to fig. 3-10, the structure of the safety buckle provided by the application is shown, the safety buckle provided by the application is mainly used for safety locking of children products, the safety buckle is simple in structure and convenient to assemble and disassemble, and the unlocking process needs to be applied with force step by step so as to avoid unlocking caused by false touch or extrusion with slight force, thus greatly improving the locking safety of the children products.

The safety buckle comprises a first buckle part 200 and a second buckle part 300, wherein the first buckle part 200 and the second buckle part 300 are mutually attracted in a magnetic connection mode to realize locking, and a slot 400 is formed between the first buckle part 200 and the second buckle part 300.

The safety buckle further includes an unlocking button 100 according to the first embodiment, and the unlocking button 100 is press-mounted on the second buckle portion 300: the unlocking button 100 can be matched with the slot 400 when not pressed so as to keep the first buckling part 200 and the second buckling part 300 in locking connection, and the unlocking button 100 can move downwards until moving out of the slot 400 when pressed so as to unlock the second buckling part 300 and the first buckling part 200.

Further, the first fastening portion 200 includes a left lower cover 210, a first magnet cover 230, a right lower cover 220, and a second magnet cover 240, a left lower cover middle hole 211 and a left lower cover side hole 212 are provided at the bottom of the left lower cover 210, a first magnet 500 is provided in the left lower cover middle hole 211, a second magnet 600 is provided in the left lower cover side hole 212, and the first magnet cover 230 is used for covering the left lower cover middle hole 211 and the left lower cover side hole 212 and is fixed by ultrasonic welding.

The right lower cover 220 is provided with a right lower cover side hole 221, the right lower cover side hole 221 is internally provided with a second magnet 600, and the second magnet cover 240 is used for covering the right lower cover side hole 221 and is fixed by ultrasonic welding.

The left lower cover 210 further has a left circular arc mating end 213, the right lower cover 220 has a right circular arc mating end 222, the left lower cover 210 and the right lower cover 220 are automatically attracted together by the attraction force of the two magnets 600, and at the same time, the left circular arc mating end 213 and the right circular arc mating end 222 are mutually buckled to form the first buckle portion 200.

Further, the second fastening part 300 includes a bottom cover, a bottom cover middle hole 310 is provided on the bottom cover, a first magnet 500 is provided in the bottom cover middle hole 310, and the second fastening part 300 and the first fastening part 200 are automatically attracted together by the attraction force of the first magnet 500.

Further, the bottom cover is provided with a mounting cavity 320 adapted to the unlocking button: the button slipway 321 is arranged at the left and right sides of the installation cavity 320, and the button body 123 of the unlocking button 100 can be extruded to elastically move along the button slipway 321 after being extruded by force, so that the extrusion movement of the button body 123 can not deviate, and smooth reset can be ensured.

The top end of the mounting cavity 320 is provided with a positioning boss 322, and the central positioning groove 111 of the elastic part 110 of the unlocking button 100 is kept in fit with the positioning boss 322.

The bottom end of the installation cavity 320 is provided with two limiting sliding grooves 323, the limiting boss 143 of the elastic transition piece 140 of the unlocking button 100 is limited to slide in the limiting sliding grooves 323, a transition sliding table 324 is arranged between the two limiting sliding grooves 323, and the elastic transition piece 140 of the unlocking button 100 extrudes and moves elastically along the path of the transition sliding table 324.

The limit sliding groove 323 is configured to be in engagement with the limit boss 143 of the elastic transition member 140, and when the unlocking button 100 is deformed by pressing, the limit boss 143 can have a downward movement tendency along the path of the limit sliding groove 323.

The arrangement of the top end positioning boss 322 and the bottom end transition sliding table 324 can ensure that the unlocking button 100 can play a centering role when being installed on the second buckle part 300, and can generate stable elastic deformation when the unlocking button 100 is pressed by force, so that smooth and fluent elastic action is ensured, and the situation that the unlocking button is unlocked by mistake due to transition deformation is avoided.

The safety buckle further comprises an upper cover 700, a left plug 800 and a right plug 900, wherein the upper cover 700 is connected to the second buckle part 300, and the left plug 800 and the right plug 900 are inserted into the sockets of the first buckle part 200 and the second buckle part 300.

The action process of the safety buckle of the application is as follows:

When the unlocking button 100 is not pressed, the locking plug 131 is inserted into the slot 400 between the first fastening portion 200 and the second fastening portion 300, so that the first fastening portion 200 and the second fastening portion 300 are kept in locking connection, at this time, an idle stroke 150 is formed between the first abutting surface 133-1 of the first abutting portion 133 and the first pressing surface 121-1 of the first pressing portion 121, and an idle stroke second 160 is formed between the second abutting surface 134-1 of the second abutting portion 134 and the second pressing surface 122-1 of the second pressing portion 122;

When the unlocking button 100 is pressed under force, due to the arrangement of the first idle stroke 150 and the second idle stroke 160, if the pressing force is slightly insufficient, the unlocking button 100 cannot be triggered to unlock, so that a safety protection effect of false unlocking can be achieved;

Then, a sufficient pressing force is continuously applied to enable the pressing surface one 121-1 of the pressing part one 121 to interact with the abutting surface one 133-1 of the abutting part one 133, so that the locking plug 131 firstly generates a trend of moving downwards out of the slot 400, and at this time, the pressing part two 122 does not act on the abutting part two 134 yet because the stroke distance of the idle stroke two 160 is greater than the stroke distance of the idle stroke one 150;

And then continuing to apply the extrusion force, so that the extrusion surface II 122-1 of the extrusion part II 122 interacts with the abutting surface II 134-1 of the abutting part II 134, namely, the extrusion part II acts on the top end part of the locking insert block 131, so that the locking insert block 131 continues to move downwards until moving out of the slot 400, and when the locking insert block 131 is safely separated from the slot 400, unlocking is completed.

The unlocking button and the safety buckle with the unlocking button have the beneficial effects that:

The movement path of the unlocking button after being extruded cannot deviate, and the unlocking button can be reset to the original accurate position after the extrusion force is released;

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims

1. An unlock button, comprising: an elastic part, a button part and a locking part,

2. The unlocking button according to claim 1, wherein the elastic portion is formed by symmetrically connecting both ends of the button body, and the locking portion is formed by symmetrically connecting both ends of the button body.

3. The unlocking button according to claim 1, wherein the pressing portion has a pressing surface, the abutting portion has an abutting surface, and the pressing surface has a tendency to abut against the abutting surface after the pressing portion is deformed by pressing;

4. The unlocking button according to claim 3, wherein a first idle stroke is reserved between the first pressing surface and the first abutting surface, a second idle stroke is reserved between the second pressing surface and the second abutting surface, and the second idle stroke is longer than the first idle stroke.

5. The unlocking button according to claim 4, wherein the first idle stroke has a stroke distance of 0.5mm to 2.3mm, and the second idle stroke has a stroke distance of 3.0mm to 3.5mm.

6. The unlocking button according to claim 1, wherein the elastic transition piece comprises a first curved portion and a second curved portion connected to each other, and a limit boss is provided at a bottom end surface of a connection position of the first curved portion and the second curved portion to be movable downward along a defined path.

7. A safety buckle, comprising: the first knot portion and the second knot portion of interconnect and the release button of any one of claims 1-6, be formed with a slot between first knot portion and the second knot portion, release button pressure equipment is at the second knot portion:

The unlocking button can be matched with the slot when not extruded so as to ensure that the first buckling part and the second buckling part are kept in locking connection, and can move downwards until moving out of the slot when extruded so as to realize unlocking of the second buckling part and the first buckling part.

8. The safety clip of claim 7, wherein the first and second clip portions are magnetically coupled to each other.

9. The safety buckle according to claim 8, wherein the first buckle portion includes a left lower cover, a first magnet cover, a right lower cover, and a second magnet cover:

The bottom of the left lower cover is provided with a left lower cover middle hole and a left lower cover side hole, a first magnet is arranged in the left lower cover middle hole, a second magnet is arranged in the left lower cover side hole, and the first magnet cover is used for covering the left lower cover middle hole and the left lower cover side hole and is welded and fixed by ultrasonic waves;

The right lower cover is provided with a right lower cover side hole, a magnet II is arranged in the right lower cover side hole, and the magnet II is used for covering the right lower cover side hole and is welded and fixed by ultrasonic waves;

The left lower cover and the right lower cover are mutually attracted through a second magnet to form a first buckling part;

the second buckling part comprises a bottom cover, a bottom cover middle hole is formed in the bottom cover, a first magnet is arranged in the bottom cover middle hole, and the second buckling part and the first buckling part are attracted to each other through the first magnet.

10. The safety buckle according to claim 9, wherein the bottom cover is provided with a mounting cavity adapted to the unlocking button:

The left side and the right side of the installation cavity are provided with button sliding tables, and the button body of the unlocking button extrudes and elastically moves along the button sliding tables;

A positioning boss is arranged at the top end of the mounting cavity, and a central positioning groove of the unlocking button elastic part is kept matched with the positioning boss;

The installation cavity bottom is equipped with two spacing spouts, and the spacing boss of release button elastic transition piece department is restricted to slide in this spacing spout, is equipped with a transition slip table between two spacing spouts, and release button's elastic transition piece extrudees elastic motion along the transition slip table.