CN213869362U

CN213869362U - Safety lock for children

Info

Publication number: CN213869362U
Application number: CN202022590048.6U
Authority: CN
Inventors: 叶涵仪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-03
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a children safety lock, including fixed chassis, the top on fixed chassis is equipped with the lock core, be equipped with two at least locked grooves along the position on the internal diameter of lock core, the outside rotatable lock body of installing of lock core, the top fixedly connected with locking closure of lock body, be equipped with two at least movable button switch between lock body and the locking closure, the button switch front end is equipped with the hasp, hasp and locked groove cooperation are in order to realize the locking of lock body, the front end of lock body is equipped with the spring bolt that extends outward and rotates along with the lock body is synchronous, realizes the cooperation with the locked groove through designing three button switch, and combines the rotatory process of accomplishing the closure, needs higher finger coordination ability to children, even know the principle of unblanking and also can not unblank easily, increased children's the degree of difficulty of unblanking, can avoid domestic appliance to be opened by children easily when the adult is not in the field, the probability of safety accidents is reduced, and the safety is improved.

Description

Safety lock for children

Technical Field

The utility model belongs to the technical field of domestic tool to lock design technique and specifically relates to a children's safety lock is related to.

Background

The child safety lock is an active safety device for ensuring the safety of children, and the main purpose of the child safety lock is to prevent unnecessary safety accidents caused by the fact that children easily open a household electrical appliance door. In modern families, there are many children's potential safety hazards problem, for example, when children climb and play at home, often under the condition that adult can't notice, open drawer door, cupboard door, oven door etc. probably cause unexpected personal injury incident, children are when opening these doors, easily arouse the emergence of injury incident such as tong. Therefore, the child safety lock is used for locking the door in the prior art, however, most of child locks in the existing market adopt a switch structure with one button, unlocking can be realized by pressing the single button, and due to the fact that the existing child is more and more clever and stubborn, the simple unlocking mode is easily understood by the child and is easily opened, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a children safety lock to the mode of unblanking of the current children safety lock who proposes in solving above-mentioned background art is simple, easily is opened by children, causes the problem of potential safety hazard.

The technical scheme of the utility model is realized like this:

the utility model provides a children safety lock, includes fixed chassis, the top on fixed chassis is equipped with the lock core, be equipped with two at least locked grooves along the position on the internal diameter of lock core, the outside rotatable lock body of installing of lock core, the top fixedly connected with locking closure of lock body, be equipped with the button switch of two at least activities between lock body and the locking closure, the button switch front end is equipped with the hasp, hasp and the locking of locked groove cooperation in order to realize the lock body, the front end of lock body is equipped with outside extension and along with the synchronous pivoted spring bolt of lock body.

Preferably, the number of the locking grooves is three or four.

Preferably, the number of the push button switches is three.

Preferably, the center of the fixed chassis is provided with an upward convex mounting lug, and the bottom of the lock cylinder is provided with a mounting groove matched with the mounting lug.

Preferably, the bottom of the lock body is provided with a semicircular sliding groove, the bottom of the lock body is provided with a sliding groove, the upper surface of the fixed chassis is provided with a positioning bulge, and the positioning bulge is movably arranged in the sliding groove.

Preferably, the shape of the sliding groove is semicircular and corresponds to one side of the lock tongue.

Preferably, the button switch is arranged at the positions of the channels formed in the two sides and the tail of the lock cover, the upper surface of the button switch is provided with a raised limiting bump, and the edge position of the lock cover is provided with a limiting stop which is matched with the limiting bump and used for limiting the button switch.

Preferably, two rib plates are fixedly arranged at the inner position of the button switch, a spring is arranged between the two rib plates, one end of the spring abuts against the inner side of the button switch, and the other end of the spring abuts against the outer diameter position of the annular step protruding on the lock body.

Preferably, the bottom of the fixed chassis is fixed with adhesive tape.

Preferably, the back position of the lock tongue at the front end of the lock body is fixedly connected with an anti-collision pad.

Preferably, the fixed chassis is connected with the lock cylinder through screws, and the lock body is connected with the lock cover through screws.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model relates to a children's safety lock realizes the cooperation with the locked groove through designing three button switch to combine the rotatory process of accomplishing the closure, need higher finger coordination ability to children, even children know the principle of unblanking also can not unblank easily, increased the degree of difficulty that children unblanked, can avoid domestic appliance in that the adult is not opened by children easily at present, reduced the probability that the incident takes place, improved the security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a three-dimensional structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an exploded view of the present invention;

FIG. 5 is a perspective view of the lock cover of the present invention;

fig. 6 is a front perspective view of the push switch of the present invention;

fig. 7 is a back perspective view of the push switch of the present invention;

fig. 8 is a front perspective view of the lock body of the present invention;

fig. 9 is a back perspective view of the lock body of the present invention;

fig. 10 is a perspective view of the fixing chassis of the present invention;

fig. 11 is a front perspective view of the lock cylinder of the present invention;

fig. 12 is a back perspective view of the lock cylinder of the present invention;

fig. 13 is a schematic view of the installation of the present invention in use.

Wherein:

1. a locking cover; 101. a limit stop block; 2. a push button switch; 201. a limiting bump; 202. locking; 203. a rib plate; 3. a spring; 4. a lock cylinder; 401. locking the groove; 402. installing a groove; 5. a lock body; 501. an annular step; 502. a latch bolt; 503. a chute; 504. an anti-collision pad; 6. fixing the chassis; 601. mounting a bump; 602. positioning the projection; 7. and sticking adhesive tape.

Detailed Description

Embodiments of the invention are further described below with reference to the accompanying drawings:

as shown in fig. 1-13, a child safety lock comprises a fixed chassis 6, a lock cylinder 4 is arranged above the fixed chassis 6, at least two lock slots 401 are arranged along the inner diameter of the lock cylinder 4, a lock body 5 is rotatably arranged outside the lock cylinder 4, a lock cover 1 is fixedly connected to the top of the lock body 5, at least two movable button switches 2 are arranged between the lock body 5 and the lock cover 1, a lock catch 202 is arranged at the front end of each button switch 2, the lock catch 202 is matched with the lock slots 401 to lock the lock body 5, a lock tongue 502 which extends outwards and rotates synchronously with the lock body 5 is arranged at the front end of the lock body 5, the button switches 2 are pressed, the lock body 5 is rotated to separate the lock tongue 502 from an electrical appliance door, the button switches 2 are released to realize unlocking, the button switches 2 are pressed again, the lock body 5 is rotated to enable the lock tongue 502 to be attached to the electrical appliance door, the button switches 2 are released, and locking is realized.

The locked groove 401 is three or four, and when three, the locked groove 401 matches with button switch 2 counterpoint each other, and when four, vacant locked groove 401 can be as the spacing groove of button switch 2 when rotatory lock body 5.

Button switch 2 is three, becomes triangular distribution on lock body 5, installs on oven door front panel, when unblanking, needs three finger to open simultaneously, and button switch 2's distance and required strength of using also are that children hardly reach, can effectively avoid children to open domestic appliance door by mistake.

The working principle is as follows:

the fixed chassis 6 is fixed on the household electrical appliance through the adhesive tape 7, when in a locking state, the lock catch 202 is clamped at the lock groove 401 through the elastic force of the spring 3, the lock body 5 is kept relatively fixed with the lock cylinder 4 under the clamping action of the lock catch 202, the lock tongue 502 of the lock body 5 extends through the door gap and locks the electrical appliance door, and at the moment, the electrical appliance door cannot be opened; when needing to unblank, press three button switch 2 simultaneously, button switch 2 moves towards the central axis direction of lock core 4, and make hasp 202 break away from each other with locked groove 401, rotatory lock body 5 this moment, lock body 5, locking closure 1, button switch 2 and spring 3 rotate around the central line of lock core 4, until spring bolt 502 and electrical apparatus door break away from each other, the electrical apparatus door can only be opened, when rotating to extreme position, the spout 503 root that sets up in the lock body 5 bottom contacts each other with the location arch 602 on the fixed chassis 6, lock body 5 can not rotate, loosen button switch 2, hasp 202 card is established in locked groove 401 department, accomplish the working process of this children's safety lock.

The center of the fixed chassis 6 is provided with an upward convex mounting lug 601, the bottom of the lock cylinder 4 is provided with a mounting groove 402 matched with the mounting lug 601, wherein the mounting lug 601 and the mounting groove 402 are arranged to avoid relative rotation between the fixed chassis 6 and the lock cylinder 4, and are matched with screws to achieve a relatively fixed state, so that the connection firmness of the two is improved.

The bottom of lock body 5 is seted up the appearance and is the spout 503 of semicircle form, the bottom of lock body 5 is equipped with spout 503, the upper surface of fixed chassis 6 is equipped with location arch 602, location arch 602 movable mounting is in spout 503, and in the electric door locking state, location arch 602 is in the middle section position of spout 503, and when the electric door opened the state, location arch 602 is in the tip position of spout 503, can realize lock body 5 relative rotation angle locking and the purpose of unblanking in different directions, satisfies the in-service use demand.

The sliding groove 503 is semicircular and corresponds to one side of the latch 502.

The button switch 2 is arranged at the channel positions arranged at the two sides and the tail of the lock cover 1, the upper surface of the button switch 2 is provided with a raised limit bump 201, the edge position of the lock cover 1 is provided with a limit stop 101 which is matched with the limit bump 201 and used for limiting the button switch 2, and the limit bump 201 and the limit stop 101 are arranged to prevent the button switch 2 from falling off from the lock cover 1 and achieve the limiting effect.

Two rib plates 203 are fixedly arranged at the inner position of the button switch 2, the spring 3 is arranged between the two rib plates 203, the limiting installation of the spring 3 is realized, one end of the spring 3 is abutted against the inner side of the button switch 2, and the other end of the spring 3 is abutted against the outer diameter position of an annular step 501 protruding on the lock body 5, so that the button switch 2 is elastically abutted against the lock body 5.

The bottom of the fixed chassis 6 is fixed with adhesive paper 7, and the fixed chassis 6 can be fixed on the surface of the electric appliance by using the adhesive paper 7.

The back position of the lock tongue 502 at the front end of the lock body 5 is fixedly connected with an anti-collision pad 504, so that the surface of an electric appliance is prevented from being scratched and damaged.

The above examples are merely for illustrative clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A child safety lock, characterized by: including fixed chassis (6), the top of fixed chassis (6) is equipped with lock core (4), be equipped with two at least locked grooves (401) along the position on the internal diameter of lock core (4), the outside rotatable lock body (5) of installing of lock core (4), the top fixedly connected with locking closure (1) of lock body (5), be equipped with button switch (2) of two at least activities between lock body (5) and locking closure (1), button switch (2) front end is equipped with hasp (202), hasp (202) and locked groove (401) cooperate in order to realize the locking of lock body (5), the front end of lock body (5) is equipped with outside extension and along with lock body (5) synchronous pivoted spring bolt (502).

2. Child safety lock according to claim 1, characterized in that: the number of the locking grooves (401) is three or four.

3. Child safety lock according to claim 1, characterized in that: the number of the button switches (2) is three.

4. Child safety lock according to claim 1, characterized in that: the center of the fixed chassis (6) is provided with an upward convex mounting lug (601), and the bottom of the lock cylinder (4) is provided with a mounting groove (402) matched with the mounting lug (601).

5. Child safety lock according to claim 1, characterized in that: the bottom of lock body (5) is equipped with spout (503), the upper surface of fixed chassis (6) is equipped with location arch (602), location arch (602) movable mounting is in spout (503).

6. Child safety lock according to claim 5, wherein: the shape of the sliding groove (503) is semicircular and corresponds to one side of the bolt (502).

7. Child safety lock according to claim 1, characterized in that: the button switch (2) is arranged at the positions of the channels formed in the two sides and the tail of the lock cover (1), the upper surface of the button switch (2) is provided with a raised limiting bump (201), and the edge position of the lock cover (1) is provided with a limiting stop block (101) which is matched with the limiting bump (201) and used for limiting the button switch (2).

8. Child safety lock according to claim 1, characterized in that: the inner position of the button switch (2) is fixedly provided with two rib plates (203), a spring (3) is installed between the two rib plates (203), one end of the spring (3) abuts against the inner side of the button switch (2), and the other end of the spring abuts against the outer diameter position of an annular step (501) protruding on the lock body (5).

9. Child safety lock according to claim 1, characterized in that: and adhesive gummed paper (7) is fixed at the bottom of the fixed chassis (6).

10. Child safety lock according to claim 1, characterized in that: the back position of the lock tongue (502) at the front end of the lock body (5) is fixedly connected with an anti-collision pad (504).