CN219034383U

CN219034383U - Concealed child safety lock

Info

Publication number: CN219034383U
Application number: CN202223381439.2U
Authority: CN
Inventors: 化明杰; 刘雨; 薛敏; 郭淑静; 李洪斌
Original assignee: Shandong Junqiang Hardware Co ltd
Current assignee: Shandong Junqiang Hardware Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-16
Anticipated expiration: 2032-12-16

Abstract

The utility model belongs to the technical field of child safety locks, and discloses a hidden child safety lock which comprises a cabinet and a drawer, wherein a hidden ring is fixedly arranged on the front surface of the cabinet, a fixed cylinder is fixedly sleeved in the front surface of the cabinet, a clamping groove and a rotating groove are formed in the top of the inner wall of the fixed cylinder, a lock cylinder is movably sleeved in the fixed cylinder, a fixed ring is fixedly sleeved at the front end of the outer surface of the lock cylinder, a clamping block is fixedly connected to the top of the fixed ring, and a locking block is fixedly connected to the right side of the inner wall of the cabinet. According to the utility model, the friction force generated by the spring in the process of rotating and stretching is utilized to increase the resistance of the index finger of the child when the lock barrel is rotated, and meanwhile, the effective pressing distance of the index finger of the child to the ears of the lock barrel is reduced by utilizing the hidden ring, so that the clamping block cannot move to a region capable of being driven to rotate, the safety lock is prevented from being opened or even damaged by the child, and the safety lock has the advantage of high reliability.

Description

Concealed child safety lock

Technical Field

The utility model belongs to the technical field of child safety locks, and particularly relates to a hidden child safety lock.

Background

The hidden child safety lock is a specially-made lock for children, and is usually additionally arranged in a drawer for household use in order to prevent potential safety hazards and mess caused by the fact that children turn over the cabinet everywhere under the condition that adults are not around.

At present, the existing hidden child safety lock adopts magnetic attraction for locking, but an additional magnetic attraction block is needed, the magnetic attraction block is very inconvenient to bring around, unlike an integrated safety lock, the existing integrated safety lock is usually automatically locked by adopting a spring and connecting rod structure in order to abandon the trouble of a key, but the structure can attract children in the aspect of appearance so as to press, press and scratch with fingers, thereby not only playing the role of the safety lock, but also being very easy to cause child injury; meanwhile, the existing hidden child safety lock also needs to carry out additional manual reset operation after unlocking each time, which clearly increases the operation cost for the drawer for placing socks and common underwear.

Disclosure of Invention

The utility model aims at solving the problems, and provides the hidden child safety lock which has the advantages of high reliability and convenience in automatic locking.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hidden children safety lock, includes cupboard and drawer, the positive fixed mounting of cupboard has hidden the ring, the positive internal fixation of cupboard has cup jointed a fixed section of thick bamboo, draw-in groove and rotary groove have been seted up at the top of fixed section of thick bamboo inner wall, the lock core post has been cup jointed in the internal activity of fixed section of thick bamboo, lock core post surface front end has fixedly cup jointed solid fixed ring, gu fixed ring's top fixedly connected with fixture block, the right side fixedly connected with locking piece of cupboard inner wall, lock core post's rear end fixedly connected with jam plate, the spring has been cup jointed in the internal activity of fixed section of thick bamboo.

As a preferable technical scheme of the utility model, the front surface of the locking plate is in limit contact with the back surface of the locking block, and the horizontal section shape and the longitudinal section shape of the locking block are triangular.

As a preferable technical scheme of the utility model, the diameter value of the front surface of the lock cylinder is larger than the inner diameter value of the fixed cylinder, the front surface of the lock cylinder is fixedly connected with an anti-skid block, and the anti-skid block is made of a rubber block.

As a preferable technical scheme of the utility model, the clamping groove is formed in the top of the front surface of the fixed cylinder, the left side of the inner wall of the fixed cylinder is provided with a rotary groove which is vertically communicated with the fixed cylinder, the depth value of the rotary groove is the same as the thickness value of the clamping block, and the clamping block is in fit and clamping connection with the clamping groove.

As a preferable technical scheme of the utility model, two ends of the spring are respectively and elastically connected with the lock barrel and the inner wall of the fixed barrel.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the lock barrel is driven by the pressing of the index finger of a user, the fixing ring and the clamping block synchronously move backwards, then the clamping block enters the rear side of the inner wall of the clamping groove, the static friction force between the index finger and the lock barrel drives the lock barrel to rotate anticlockwise around the axial direction of the clamping block, so that the lock plate is driven to rotate and unlock is completed while the clamping block is driven to rotate, the friction force generated by the spring in the rotating and stretching process is utilized to increase the resistance of the index finger of a child when the lock barrel is rotated, and meanwhile, the effective pressing distance of the finger of the child to the ears of the lock barrel is reduced by the hidden ring, so that the clamping block cannot move to a region capable of being driven to rotate, and the safety lock is prevented from being opened or even damaged by the child.

2. According to the utility model, the locking block with the triangular inclined plane design is used for limiting the locking plate by utilizing the straight back surface of the locking block, so that the drawer is safely locked, and on the other hand, the locking plate which moves backwards and returns to the right is limited to rotate when contacting with the locking block by utilizing the front triangular inclined plane design of the locking block, so that the front surface of the locking block is automatically bypassed, and the locking plate is driven to automatically return to the horizontal state to complete automatic locking when moving to the back surface of the locking block under the rotary stretching cooperation of the spring, so that the complexity of the drawer in locking is reduced, and time and labor are saved.

Drawings

FIG. 1 is an exploded view of the hidden ring, the stationary barrel, the locking block, the lock barrel, the cleat, the locking plate, the spring, the stationary ring and the latch block of the present utility model;

FIG. 2 is a front perspective view of the drawer lock of the present utility model;

FIG. 3 is a schematic top cut-away view of the overall structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a cabinet; 2. a drawer; 3. a hidden ring; 4. a fixed cylinder; 5. a clamping groove; 6. a rotary groove; 7. a locking block; 8. a lock barrel; 9. an anti-skid block; 10. a lock plate; 11. a spring; 12. a fixing ring; 13. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1 to 4, the utility model provides a hidden child safety lock, which comprises a cabinet 1 and a drawer 2, wherein a hidden ring 3 is fixedly arranged on the front surface of the cabinet 1, a fixed cylinder 4 is fixedly sleeved in the front surface of the cabinet 1, a clamping groove 5 and a rotary groove 6 are formed in the top of the inner wall of the fixed cylinder 4, a lock cylinder 8 is movably sleeved in the fixed cylinder 4, a fixed ring 12 is fixedly sleeved at the front end of the outer surface of the lock cylinder 8, a clamping block 13 is fixedly connected to the top of the fixed ring 12, a locking block 7 is fixedly connected to the right side of the inner wall of the cabinet 1, a locking plate 10 is fixedly connected to the rear end of the lock cylinder 8, and a spring 11 is movably sleeved in the fixed cylinder 4;

when the safety lock is used, when a child stamps the lock barrel 8 by fingers, the lock barrel 8 is stressed and drives the fixed ring 12 and the clamping block 13 to move backwards, and because the length of the child fingers is limited, the clamping block 13 cannot enter the clamping groove 5 and the rotary groove 6 to be communicated with each other, and on the other hand, the strength of the child is very small, and the child is not enough and drives the lock barrel 8 to rotate by using static friction force; unlocking: the user can press the front of the lock barrel 8 with the index finger and drive the lock barrel 8 to move towards the inner direction of the fixed barrel 4, and simultaneously drive the fixed ring 12, the clamping block 13 and the lock plate 10 to move, so that the clamping block 13 moves backwards to the rear side of the inner wall of the clamping groove 5, the spring 11 is compressed, then the lock barrel 8 is rotated anticlockwise by using static friction force between the index finger and the lock barrel 8, the lock plate 10, the fixed ring 12 and the clamping block 13 are driven to synchronously rotate, the clamping block 13 enters the inside of the rotary groove 6, the spring 11 is rotationally stretched, and the lock plate 10 is not in limiting contact with the back of the locking block 7 any more through rotation, so that the drawer 2 can be pulled forwards to finish the door opening operation; locking: the lock cylinder 8 is loosened, the fixing ring 12 is driven to rotate to an initial angle position by the resilience force of the spring 11, at the moment, the lock plate 10 is kept at a horizontal position and is positioned right in front of the locking block 7, at the moment, the drawer 2 is pushed and enters the cabinet 1, then the lock plate 10 is driven to be contacted with the locking block 7, the lock plate 10 is driven to rotate anticlockwise around the axial direction of the lock cylinder 8 in the moving process through the inclined plane design limit of the upper surface of the locking block 7, the front surface of the locking block 7 is bypassed, and the lock plate is reset and locked under the resilience force of the spring 11 when the lock plate returns to the back surface position of the locking block 7.

Wherein, the front surface of the locking plate 10 is in limit contact with the back surface of the locking block 7, and the horizontal section shape and the longitudinal section shape of the locking block 7 are triangular;

the horizontal direction and the longitudinal section direction of the locking block 7 are cut, so that when the locking plate 10 passes through the upper surface of the locking block 7 backwards, the inclined surface can be utilized to drive the locking plate 10 to rotate to bypass the front surface of the locking block 7, and automatic locking is completed.

The locking block 7 designed through the triangular inclined plane is used for limiting the locking plate 10 by utilizing the flat back surface of the locking block 7 on one hand, so that the drawer 2 is safely locked, on the other hand, the locking plate 10 which moves backwards to be righted is limited to rotate when being contacted with the locking block 7 by utilizing the front triangular inclined plane design of the locking block 7, so that the front surface of the locking block 7 is automatically bypassed, and under the rotary stretching cooperation of the spring 11, the locking plate 10 is driven to automatically righte to a horizontal state when moving to the back surface of the locking block 7, so that the automatic locking is completed, the complexity of the drawer 2 in locking is reduced, and the time and labor are saved.

The diameter value of the front face of the lock barrel 8 is larger than the inner diameter value of the fixed barrel 4, the front face of the lock barrel 8 is fixedly connected with an anti-skid block 9, and the anti-skid block 9 is made of a rubber block;

the large diameter design on the front of the lock barrel 8 is used for keeping the limit function of the lock barrel 8 in the backward moving process, and the static friction force between the index finger and the lock barrel 8 can be increased through the anti-skid block 9, so that a user can rotate the lock barrel 8 more easily.

Through being provided with lock barrel 8 under the user index finger presses down and drives, solid fixed ring 12 and fixture block 13 synchronous backward movement, then make the rear side of fixture block 13 entering draw-in groove 5 inner wall, utilize the stiction between index finger and the lock barrel 8 to drive lock barrel 8 around self axial anticlockwise rotation, thereby drive lock plate 10 rotation and accomplish the unblock when driving fixture block 13 pivoted, and this design utilizes spring 11 to increase the resistance of children index finger when rotating lock barrel 8 by the frictional force that the in-process of rotatory tensile produced, simultaneously, utilize hidden ring 3 to reduce children's finger and effectively press down the distance to lock barrel 8 ear, make fixture block 13 unable removal to can be driven pivoted region, thereby avoid children to open the safety lock even spoil, have the advantage that the reliability is high.

The clamping groove 5 is formed in the top of the front surface of the fixed cylinder 4, the left side of the inner wall of the fixed cylinder 4 is provided with a rotary groove 6 vertically communicated with the fixed cylinder 4, the depth value of the rotary groove 6 is the same as the thickness value of the clamping block 13, and the clamping block 13 is adaptively clamped in the clamping groove 5;

the clamping groove 5 is used for clamping and placing the clamping block 13, and when the clamping block 13 is not driven to a rotatable position by the fixing ring 12, the problem of safe opening caused by rotation of the index finger of a child is avoided by utilizing the limiting clamping effect of the clamping groove 5 on the clamping block 13.

Wherein, two ends of the spring 11 are respectively and elastically connected with the lock barrel 8 and the inner wall of the fixed barrel 4; the spring 11 is subjected to axial pressure from the barrel 8 on the one hand and also to rotational tension to power the barrel 8 in rotational reset.

The working principle and the using flow of the utility model are as follows:

when the safety lock is used, when a child stamps the lock barrel 8 by fingers, the lock barrel 8 is stressed and drives the fixed ring 12 and the clamping block 13 to move backwards, and because the length of the child fingers is limited, the clamping block 13 cannot enter the clamping groove 5 and the rotary groove 6 to be communicated with each other, and on the other hand, the strength of the child is very small, and the child is not enough and drives the lock barrel 8 to rotate by using static friction force;

unlocking: the user can press the front of the lock barrel 8 with the index finger and drive the lock barrel 8 to move towards the inner direction of the fixed barrel 4, and simultaneously drive the fixed ring 12, the clamping block 13 and the lock plate 10 to move, so that the clamping block 13 moves backwards to the rear side of the inner wall of the clamping groove 5, the spring 11 is compressed, then the lock barrel 8 is rotated anticlockwise by using static friction force between the index finger and the lock barrel 8, the lock plate 10, the fixed ring 12 and the clamping block 13 are driven to synchronously rotate, the clamping block 13 enters the inside of the rotary groove 6, the spring 11 is rotationally stretched, and the lock plate 10 is not in limiting contact with the back of the locking block 7 any more through rotation, so that the drawer 2 can be pulled forwards to finish the door opening operation;

locking: the lock cylinder 8 is loosened, the fixing ring 12 is driven to rotate to an initial angle position by the resilience force of the spring 11, at the moment, the lock plate 10 is kept at a horizontal position and is positioned right in front of the locking block 7, at the moment, the drawer 2 is pushed and enters the cabinet 1, then the lock plate 10 is driven to be contacted with the locking block 7, the lock plate 10 is driven to rotate anticlockwise around the axial direction of the lock cylinder 8 in the moving process through the inclined plane design limit of the upper surface of the locking block 7, the front surface of the locking block 7 is bypassed, and the lock plate is reset and locked under the resilience force of the spring 11 when the lock plate returns to the back surface position of the locking block 7.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hidden children safety lock, includes cupboard (1) and drawer (2), its characterized in that: the utility model discloses a lock cylinder, including cupboard (1), lock cylinder (4), lock cylinder (8) front end, lock cylinder (4) front end, lock cylinder (8) front end, lock cylinder (12) front end, lock cylinder (8) front end, lock cylinder (7) are fixed to right side fixedly connected with of cupboard (1), lock cylinder (8) rear end fixedly connected with jam plate (10), lock cylinder (4) inner activity has cup jointed spring (11).

2. A concealed child safety lock according to claim 1, wherein: the front surface of the locking plate (10) is in limit contact with the back surface of the locking block (7), and the horizontal section shape and the longitudinal section shape of the locking block (7) are triangular.

3. A concealed child safety lock according to claim 1, wherein: the diameter value of the front face of the lock barrel (8) is larger than the inner diameter value of the fixed barrel (4), the front face of the lock barrel (8) is fixedly connected with an anti-skid block (9), and the anti-skid block (9) is made of rubber blocks.

4. A concealed child safety lock according to claim 1, wherein: the clamping groove (5) is formed in the top of the front face of the fixed cylinder (4), the left side of the inner wall of the fixed cylinder (4) is provided with a rotary groove (6) which is vertically communicated with the fixed cylinder, the depth value of the rotary groove (6) is identical to the thickness value of the clamping block (13), and the clamping block (13) is connected with the clamping groove (5) in an adaptive mode.

5. A concealed child safety lock according to claim 1, wherein: the two ends of the spring (11) are respectively and elastically connected with the lock cylinder (8) and the inner wall of the fixed cylinder (4).