CN111535685A

CN111535685A - Multifunctional safety lock for children

Info

Publication number: CN111535685A
Application number: CN202010507022.2A
Authority: CN
Inventors: 王新军; 董力
Original assignee: Ningbo Fabe Child Safety Co ltd
Current assignee: Ningbo Fabe Child Safety Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-08-14

Abstract

The invention discloses a multifunctional safety lock for children, and mainly relates to the technical field of safety locks. The method comprises the following steps: the device comprises a base, a button, a pressing spring, a positioning block, a limiting main body and a torsion spring; the base is connected with the positioning block through a first buckle; one end of the pressing spring is abutted with the button, and the other end of the pressing spring is abutted with the positioning block; the button is connected with the positioning block through a second buckle; the bottom of the positioning block is provided with a positioning groove matched with the second buckle; a locking block is arranged on one side of the top of the base, and a locking groove matched with the locking block is arranged in the limiting main body; one end of the torsion spring is connected with the limiting main body, and the other end of the torsion spring is connected with the base. The invention has the beneficial effects that: the lock is designed to be opened in a double-way mode, the lock is opened through two steps, the lock is protected against being opened in a double-protection mode, the lock can be safer and more reliable, the lock can be locked by one key, the lock can be automatically locked by lightly pressing a button, and the use is convenient.

Description

Multifunctional safety lock for children

Technical Field

The invention relates to the technical field of safety locks, in particular to a multifunctional safety lock for children.

Background

In a house or other living space, there are usually cabinets, drawers, gas cookers, ovens, steamers, electronic touch buttons, etc. that are opened by rotation, pressing, pulling, or touching, which is very convenient for use, but presents some potential risks for children or young children, such as: when children open cabinet doors, drawers and the like at home without permission, articles are inevitably upset, and dangerous medicines and the like can be misused sometimes; when children open the gas switch without permission, unnecessary dangers such as gas poisoning, fire, scalding and the like can be caused; when a child opens the oven and the steamer door, the danger of scalding and the like can be caused; when a child turns on or off some of the electronic touch buttons, unknown dangers or losses may result.

For solving above-mentioned problem, many kinds of children's safety lock have appeared in the market at present, but mostly be directed at a certain structure of opening, the function is comparatively single, can't use in multiple occasion, and open this kind of children's safety lock and only need a step, and is comparatively simple, has very big drawback, is cracked by child easily and opens, has lost the original usage of protection lock.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a multifunctional safety lock for children, which is convenient to use, safe, reliable and wide in application range, and adopts a design of opening in a double-way mode, wherein the opening needs two steps, the double-protection opening prevention is realized, the lock can be safer and more reliable, the lock can be locked by one key, and the lock can be automatically locked by only lightly pressing a button, so that the multifunctional safety lock is convenient to use.

In order to achieve the purpose, the invention is realized by the following technical scheme:

child multifunction safety lock, comprising: the device comprises a base, a button, a pressing spring, a positioning block, a limiting main body and a torsion spring; the positioning block is arranged at the top of the limiting main body; the base is positioned on the lower side of the limiting main body and connected with the positioning block through a first buckle; one end of the pressing spring is abutted with the button, and the other end of the pressing spring is abutted with the positioning block; the button is connected with the positioning block through a second buckle; the bottom of the positioning block is provided with a positioning groove matched with the second buckle; a locking block is arranged on one side of the top of the base, and a locking groove matched with the locking block is arranged in the limiting main body; the torsion spring is located inside the limiting main body, one end of the torsion spring is connected with the limiting main body, and the other end of the torsion spring is connected with the base.

Preferably, the number of the first buckles and the number of the second buckles are two, the second buckles are located between the two first buckles, the number of the positioning grooves is four, and the positioning grooves are evenly arranged at the bottom of the positioning block.

Preferably, the second buckle is located inside the pressing spring and penetrates through the pressing spring, and the claw on the second buckle is connected with the positioning groove.

Preferably, a first mounting hole matched with the button is vertically formed in the positioning block, the first mounting hole vertically penetrates through the positioning block, the button is connected with the first mounting hole in a sliding mode, a first annular clamping plate matched with a first buckle is arranged at the bottom of the first mounting hole, and a claw on the first buckle is located on the upper side of the first annular clamping plate and is abutted to the upper surface of the first annular clamping plate;

preferably, both ends all are equipped with the stopper about the locating piece, the top of spacing main part is equipped with the spout that suits with the stopper.

Preferably, the left end of spacing main part is equipped with the second mounting hole that suits with the locating piece, the vertical spacing main part that runs through of second mounting hole, be equipped with the supporting part that suits with the locating piece on the inner wall of second mounting hole, the locating piece can move about in the second mounting hole and the range that the locating piece moved about in the second mounting hole is not less than the degree of depth that the locking piece inserted in the locking groove.

Preferably, the bottom surface of the base is provided with a non-setting adhesive.

Preferably, the right end of the limiting main body is provided with a slope extending downwards.

Preferably, torsion spring's one end is equipped with the first couple of joint on first buckle, centers on the annular connecting portion on two first buckles, torsion spring keeps away from the one end of first couple and is equipped with the second couple, be equipped with the spliced pole that suits with the second couple in the spacing main part, the top of base is equipped with the arc guide piece that suits with the spliced pole.

Compared with the prior art, the invention has the beneficial effects that:

the assembly of the invention adopts a buckle type structure, the assembly process is simple, the cost is low, and the reliability is high; the invention can be applied to the false unlocking prevention of cabinets, drawers, gas stoves, ovens, steam boxes, electronic touch buttons and the like, has two states of locking and unlocking, and when in use, the base is fixed at the use position, and the locking state is as follows: second buckle on the button and first buckle butt on the base can prevent mutual rotation between button and the base, and in the constant head tank was gone into to the hook card on the second buckle, can prevent mutual rotation between locating piece and the button, prevent that spacing main part is rotatory, reach the safeguard function who hinders the object, locking piece on the base inserts the locking groove of spacing main part, can block mutual rotation between spacing main part and the base again to reach duplicate protection and prevent the function of opening.

The unlocking step is divided into two steps, and the first unlocking step is as follows: the button is pressed downwards, so that the claw on the second buckle is separated from the positioning groove, the connection between the button and the positioning block and between the button and the limiting main body is released, the limitation is avoided, and the unlocking function can be achieved due to the fact that the locking block on the base is blocked between the locking groove of the limiting main body and the locking block on the base. The unlocking step II comprises the following steps: when the button is pressed down, the limiting main body is pushed, so that the locking block on the base slides out of the locking groove of the limiting main body, all the limitations of the invention can be removed by removing the blockage between the locking block on the base and the locking groove of the limiting main body, and then the limiting main body is rotated, so that the unlocking can be realized.

A key locking step: after the unblock, owing to press the spring under the effect, loosen the back with the button, the button bounce-back, in the constant head tank is gone into to the hook card on the second buckle once more, prevent that spacing main part is rotatory, and when pushing down the button once more, remove the restriction in the hook and the constant head tank on the second buckle, spacing main part can autogiration arrive the position under torque spring's effect, reach the effect of locking once more.

The invention has the characteristics of convenient use, safety, reliability and wide application range, the unlocking needs two steps, the double protection and the unlocking prevention are carried out, the lockset can be safer and more reliable, the locking can be realized by one key, the locking can be realized by only lightly pressing the button, and the use is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a base;

FIG. 4 is a top view of the base;

FIG. 5 is a schematic view of a connection structure between the base and the torsion spring;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic structural view of a torsion spring;

FIG. 8 is a schematic view of the structure of the button;

FIG. 9 is a schematic view of the positioning block;

FIG. 10 is a schematic structural view of the spacing body;

FIG. 11 is a schematic view of the components in the second mounting hole in the locked state;

fig. 12 is a schematic view of the internal structure of the stopper body in the locked state;

FIG. 13 is a schematic view of the components in the second mounting hole during the unlocking step;

FIG. 14 is a schematic view of the internal structure of the temporary limit body in the unlocking step;

FIG. 15 is a schematic view of the internal structure of the positioning body in the second unlocking step;

FIG. 16 is a schematic diagram of a locked state of an electronic touch button according to the present invention;

FIG. 17 is a schematic diagram of an unlock state of the present invention applied to an electronic touch button;

FIG. 18 is a schematic view of the locking state of the knob switch of the gas range according to the present invention;

FIG. 19 is a schematic view showing an unlocked state of the present invention applied to a knob switch of a gas range;

FIG. 20 is a schematic view of a locking position of the present invention applied to an oven;

FIG. 21 is a schematic view of the present invention applied to an unlocked state of the oven;

FIG. 22 is a schematic view of a drawer in a locked state according to the present invention;

fig. 23 is a schematic view of the unlocked state of the drawer according to the present invention.

The reference numbers in the drawings:

1. a base; 11. a first buckle; 12. a locking block; 13. an arc-shaped guide block;

2. a button; 21. a second buckle;

3. a pressing spring;

4. positioning blocks; 41. positioning a groove; 42. a first mounting hole; 43. a first annular snap gauge; 44. a limiting block; 45. an end cap;

5. a limiting main body; 51. a locking groove; 52. a chute; 53. a second mounting hole; 54. a support portion; 55. connecting columns;

6. a torsion spring; 61. a first hook; 62. an annular connecting portion; 63. and a second hook.

71. An electronic touch button; 72. a gas stove knob; 73. a knob fixing seat; 74. an oven; 75. a drawer.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Example (b): as shown in fig. 1 and 2, the invention relates to a child multifunctional safety lock, which comprises: base 1, button 2, press spring 3, locating piece 4, spacing main part 5, torque spring 6, base 1, button 2, locating piece 4, spacing main part 5 all can adopt the plastics material, and is specific:

as shown in fig. 3 and 4, the base 1 may be disc-shaped or have other shapes, the top of the base 1 is symmetrically provided with first hooks 11 extending upward with a vertical plane of a center line of the base 1 as a symmetric plane, a claw of the first hook 11 is located at an outer side of the top of the first hook, a left end of the top of the base 1 is provided with a locking block 12, and the base 1 may be fixed at an opening structure such as a rotary opening structure, a press opening structure, a pull opening structure, a touch opening structure, and the like by screws.

As shown in fig. 8, the push button 2 may be in a disk shape, a second catch 21 extending downward is symmetrically provided on the bottom of the push button 2 with a vertical plane of the center line of the push button 2 as a symmetrical plane, the hook of the second catch 21 is located on the outer side of the bottom of the second catch 21, after the assembly of the present invention is completed, the second catch 21 is located between two first catches 11, one side end surface of the second catch 21 abuts against one of the first catches 11, and the other side end surface abuts against the other first catch 11.

As shown in fig. 12, the top end of the pressing spring 3 abuts against the bottom surface of the push button 2, the second catch 21 is located inside the pressing spring 3 and penetrates through the pressing spring 3, and the claw of the second catch 21 is connected to the positioning groove 41.

As shown in fig. 9, a first mounting hole 42 adapted to the button 2 is vertically formed in the positioning block 4, the first mounting hole 42 vertically penetrates through the positioning block 4, the button 2 is slidably connected to the first mounting hole 42, the button 2 can slide in the first mounting hole 42 up and down, a first annular clamping plate 43 adapted to the first buckle 11 is arranged at the bottom of the first mounting hole 42, an integrated structure is adopted between the first annular clamping plate 43 and the positioning block 4, and a claw on the first buckle 11 is located on the upper side of the first annular clamping plate 43 and abuts against the upper surface of the first annular clamping plate 43; the bottom of pressing spring 3 and the upper surface butt of first annular cardboard 43, the bottom annular array of locating piece 4 is equipped with four constant head tanks 41 that suit with the claw of second buckle 21, and the claw on two second buckles 21 occupies two in four constant head tanks 41 all the time, and locating piece 4 is along with spacing main part 5 rotatory 90 backs, and the claw card on the second buckle 21 is gone into in corresponding constant head tank 41, both ends all are equipped with stopper 44 about locating piece 4, and is further, in order to protect the part in the second mounting hole, the top of locating piece 4 is equipped with the end cover 45 that suits with second mounting hole 53.

As shown in fig. 10, the right end of the limiting main body 5 is a limiting function portion, the left end of the limiting main body 5 is provided with a second mounting hole 53 adapted to the positioning block 4, the second mounting hole 53 vertically penetrates through the limiting main body 5, a supporting portion 54 adapted to the positioning block 4 is arranged on the inner wall of the second mounting hole 53, the supporting portion 54 is an annular plate, an integrated structure is adopted between the supporting portion 54 and the limiting main body 5, the bottom surface of the positioning block 4 is abutted to the top surface of the supporting portion 54, a locking groove 51 adapted to the locking block 12 is arranged on the left side wall of the bottom of the second mounting hole 53, the locking block 12 is slidably connected to the locking groove 51, a sliding groove 52 adapted to the limiting block 44 is arranged on the side wall of the top of the limiting main body 5, and the limiting block 44 is slidably connected. The locating block 4 can move left and right in the second mounting hole 53, the moving range of the locating block 4 in the first mounting hole 53 is not smaller than the depth of the locking block 12 inserted into the locking groove 51, the locating block 4, the base 1, the button 2 and the pressing spring 3 are connected through a buckle to form a component, the component and the limiting main body 5 can move relatively, as shown in the attached drawing 15, the component formed by the locating block 4, the base 1, the button 2 and the pressing spring 3 is kept still, when the limiting main body 5 moves left, the locking block 12 can be pulled out of the locking groove 51, and when the limiting main body 5 moves right, the locking block 12 can be inserted into the locking groove 51.

The torsion spring 6 is located in the second mounting hole 53, one end of the torsion spring 6 is connected to the limiting main body 5, the other end of the torsion spring is connected to the base 1, and further, in order to facilitate the installation of the torsion spring, as shown in fig. 6 and 7, one end of the torsion spring 6 is provided with a first hook 61 clamped on the first buckle 11 and an annular connecting portion 62 surrounding the two first buckles 11, one end of the torsion spring 6 far away from the first hook 61 is provided with a second hook 63, the limiting main body 5 is provided with a connecting column 55 (as shown in fig. 12) adapted to the second hook 63, the top of the base 1 is provided with an arc-shaped guide block 13 adapted to the connecting column 55, and when a key is locked, the arc-shaped guide block 13 provides a guide for the sliding of the connecting column 55. The connection between the torsion spring 6 and the base 1 is shown in fig. 5 and 6.

Further, in order to increase the applicability of the present invention, a downward extending inclined surface is provided at the right end of the limiting main body 5, as shown in fig. 18, when the present invention is applied to the gas stove knob 72, an optimal installation position can be obtained by adjusting the distance between the present invention and the gas stove knob 72 according to the height of the gas stove knob 72, so that the inclined surface of the limiting main body 5 is abutted against the lower surface of the gas stove knob 72, and the limiting effectiveness is ensured.

Further, in order to standardize the use of the present invention, an operation mark including a rotation direction arrow and a pushing direction arrow may be provided on the position limiting body 5.

The assembly of the invention adopts a buckle type structure, so the cost is low; during assembly, one end of the torsion spring 6 is installed on the base 1, the first buckle 11 is inserted from the bottom of the second installation hole 53, the other end of the torsion spring 6 is clamped on the inner wall of the second installation hole 53, the limiting main body 5 is pushed, the locking block 12 is inserted into the locking groove 51, then the positioning block 4 is put in from the top of the second installation hole 53 and pressed downwards, the claw of the first buckle 11 is clamped on the first annular clamping plate 43, when the positioning block 4 is installed, the limiting block 44 is ensured to be inserted into the sliding groove 52, the pressing spring 3 is put in from the top of the first installation hole 42, then the second buckle 21 is inserted into the pressing spring 3 and the button 2 is pressed downwards, so that the claw on the second buckle 21 is clamped into the positioning groove 41, and assembly is completed, the assembly process is simple, and reliability is high.

The invention has two states of locking and unlocking, and when in use, the base 1 is fixed at the use position.

Locking state: as shown in fig. 11 and 12, the second buckle 21 on the button 2 is located between the two first buckles 11 on the base 1, which can prevent the mutual rotation between the button 2 and the base 1, the claw on the second buckle 21 is clamped into the positioning groove 41, which can prevent the mutual rotation between the positioning block 4 and the button 2, the limiting block 44 on the positioning block 4 is clamped into the sliding groove 52, which can prevent the mutual rotation between the positioning block 4 and the limiting main body 5, which can fix the position of the limiting main body 5, prevent the rotation of the limiting main body 5, and achieve the protection function of obstructing objects, the locking block 12 on the base 1 is inserted into the locking groove 51 of the limiting main body 5, which can block the mutual rotation between the limiting main body 5 and the base 1, thereby achieving the dual protection anti.

The unlocking step is divided into two steps, as shown in fig. 13 and 14, and the first unlocking step is as follows: the button 2 is pressed down, so that the claw on the second buckle 21 is separated from the positioning groove 41, the connection between the button 2 and the positioning block 4 and the limiting main body 5 is released, no limitation exists, but the limiting main body 5 cannot be rotated to achieve an unlocking function because the blocking exists between the locking block 12 on the base 1 and the locking groove 51 of the limiting main body 5; as shown in fig. 15, the unlocking step two is: under the state of pressing button 2 down, promote spacing main part 5 for locking piece 12 on the base 1 slides out from the locking groove 51 of spacing main part 5, removes the blockking alright remove all restrictions between locking piece 12 on the base 1 and the locking groove 51 of spacing main part 5, rotates spacing main part 5 again, alright reach the unblock.

A key locking step: after the unlocking, due to the action of the pressing spring 3, after the button 2 is loosened, the button 2 rebounds, the claw on the second buckle 21 is clamped into the positioning groove 41 again, the limiting main body 5 is prevented from rotating, when the button 2 is pressed down again, the limitation of the claw on the second buckle 21 and the positioning groove 41 is removed, the limiting main body 5 can automatically rotate to the position under the action of the torsion spring 6, and the locking effect is achieved again.

The invention can be applied to the false opening prevention of cabinets, drawers, gas stoves, ovens, steam boxes, electronic touch buttons and the like, wherein some application scenes are as follows:

when the electronic touch control button is applied, as shown in fig. 16 and 17, the electronic touch control button 71 is installed with the electronic touch control button, when the electronic touch control button 71 is locked, the electronic touch control button 71 is covered by the limiting main body 5, and when the electronic touch control button is unlocked, the limiting main body 5 is rotated by 90 degrees;

when the gas stove knob switch is applied to a gas stove knob switch, as shown in fig. 18 and 19, the gas stove knob switch is arranged on one side of a knob fixing seat 73, when the gas stove knob switch is locked, an inclined plane on a limiting main body 5 is abutted against the bottom surface of a gas stove knob 72, the gas stove knob 72 cannot be pressed for ignition, and when the gas stove knob switch is unlocked, the limiting main body 5 is rotated by 90 degrees;

when the invention is applied to an oven, as shown in fig. 20 and 21, the invention is arranged on a door frame of the oven 74, when the oven is locked, the limit main body 5 blocks the oven door, and when the oven is unlocked, the limit main body 5 is rotated by 90 degrees;

when the present invention is to be mounted on a drawer, as shown in fig. 22 and 23, the present invention is mounted on the upper side of the drawer 75, and when locked, the stopper body 5 catches the main drawer 75, and when unlocked, the stopper body 5 is rotated by 90 °.

Claims

1. Multi-functional safety lock of children, its characterized in that includes: the device comprises a base (1), a button (2), a pressing spring (3), a positioning block (4), a limiting main body (5) and a torsion spring (6);

the positioning block (4) is arranged at the top of the limiting main body (5);

the base (1) is positioned at the lower side of the limiting main body (5), and the base (1) is connected with the positioning block (4) through a first buckle (11);

one end of the pressing spring (3) is abutted against the button (2), and the other end of the pressing spring is abutted against the positioning block (4);

the button (2) is connected with the positioning block (4) through a second buckle (21);

the bottom of the positioning block (4) is provided with a positioning groove (41) which is matched with the second buckle (21);

a locking block (12) is arranged on one side of the top of the base (1), and a locking groove (51) matched with the locking block (12) is arranged in the limiting main body (5);

the torsion spring (6) is located inside the limiting main body (5), one end of the torsion spring (6) is connected with the limiting main body (5), and the other end of the torsion spring is connected with the base (1).

2. Child multifunction safety lock according to claim 1, characterized in that: the number of the first buckles (11) and the second buckles (21) is two, the second buckles (21) are located between the two first buckles (11), the number of the positioning grooves (41) is four, and the positioning grooves are evenly arranged at the bottom of the positioning block (4).

3. Child multifunction safety lock according to claim 1, characterized in that: the second buckle (21) is positioned on the inner side of the pressing spring (3) and penetrates through the pressing spring (3), and a claw on the second buckle (21) is connected with the positioning groove (41).

4. Child multifunction safety lock according to claim 1, characterized in that: the utility model discloses a lock catch, including locating piece (4), button (2), first mounting hole (42) that the vertical and button (2) suited that is equipped with on locating piece (4), locating piece (42) vertically runs through locating piece (4), button (2) and first mounting hole (42) sliding connection, the bottom of first mounting hole (42) is equipped with first buckle (11) the first annular cardboard (43) that suit, the hook on first buckle (11) is located the upside of first annular cardboard (43) and with the upper surface butt of first annular cardboard (43).

5. Child multifunction safety lock according to claim 1, characterized in that: the left end and the right end of the positioning block (4) are both provided with limiting blocks (44), and the top of the limiting main body (5) is provided with a sliding groove (52) matched with the limiting blocks (44).

6. Child multifunction safety lock according to claim 1, characterized in that: the left end of spacing main part (5) is equipped with second mounting hole (53) that suits with locating piece (4), spacing main part (5) are vertically run through in second mounting hole (53), be equipped with on the inner wall of second mounting hole (53) with supporting part (54) that locating piece (4) suit, locating piece (4) can remove about in second mounting hole (53) and locating piece (4) remove about in second mounting hole (53) the range of removing not less than the degree of depth that locking piece (12) inserted in locking groove (51).

7. Child multifunction safety lock according to claim 1, characterized in that: the bottom surface of the base (1) is provided with adhesive sticker.

8. Child multifunction safety lock according to claim 1, characterized in that: the right end of the limiting main body (5) is provided with a slope extending downwards.

9. Child multifunction safety lock according to claim 2, characterized in that: the one end of torsion spring (6) is equipped with first couple (61) of joint on first buckle (11), centers on annular connecting portion (62) on two first buckles (11), the one end that first couple (61) were kept away from in torsion spring (6) is equipped with second couple (63), be equipped with spliced pole (55) that suit with second couple (63) on spacing main part (5), the top of base (1) is equipped with arc guide piece (13) that suit with spliced pole (55).