CN210264249U

CN210264249U - Anti-unlocking internal lock more convenient to use

Info

Publication number: CN210264249U
Application number: CN201920837618.1U
Authority: CN
Inventors: 王红娟; 何丽华
Original assignee: Guangzhou Xuya Household Items Co ltd
Current assignee: Guangzhou Xuya Household Items Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-07
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses an anti-unlocking internal lock which is more convenient to use, comprising a locking piece, a lock seat and a spring, wherein the locking piece is provided with a lock rod, the front end of the lock rod is provided with a lock hook, and the rear end of the lock rod is provided with a sliding plate; the lock seat comprises a lock plate, a slide way is arranged in the lock plate, and a slide plate of the lock piece is arranged in the slide way of the lock plate; a fixed sleeve is arranged between the lock rod and the sliding plate, a control piece is arranged in a sleeve hole of the fixed sleeve, and the control piece is clamped with the side wall by sliding the control piece left and right to form a locking structure of the locking piece. The utility model has the advantages that the control piece with the sliding cover is arranged, when the sliding cover slides to one side, the blocking wall beside the sliding cover can be blocked, so that the whole locking piece can not be pressed down, and the drawer or the cabinet can not be opened, thereby preventing children from seeing the action of pressing the locking piece by adults or unintentionally pressing down the locking piece to open the drawer or the cabinet, and achieving more effective opening prevention function; and through setting up spacing strip and chucking strip, make the latch fitting can not bounce automatically after pushing down completely to it is more convenient to use when need not prevent opening the function.

Description

Anti-unlocking internal lock more convenient to use

Technical Field

The utility model relates to a furniture accessory product technical field, concretely relates to be used for fixing in order to prevent that drawer or cupboard from being opened by children's anti-unlocking tool to lock in drawer or cupboard.

Background

The drawer or cabinet is a widely attached component in furniture, is used for placing various living goods or working goods, and generally comprises two components with or without a lock. Important, private items are typically placed in drawers or cabinets with locks and are generally not opened frequently, while ordinary items are typically placed in drawers or cabinets without locks because of the frequent need for use. However, if a child of a low age is in a home, the child may open the lockless drawer or cabinet when unattended due to the understandability, the drawer or cabinet may be upset or lost if the drawer or cabinet is light, and in a serious case, the child may be physically injured due to placing of knives, scissors, medicines and the like in the drawer or cabinet. Therefore, some locks for preventing children from opening are invented, for example, patent CN201320584536.3 discloses an inner lock assembly of a drawer, which is characterized in that a stop block is fixed at the bottom of a plate above the drawer, a lock head is fixed at the back of a drawer panel, after the drawer is closed, a protrusion of the lock head can block the stop block under the action of a return spring, and the drawer can be opened only when the lock head is pressed down, so that the drawer can be prevented from being opened by the children of low age. However, this type of lock has a disadvantage in that, since children have curiosity and strong imitation ability, when an adult presses the lock and then opens the drawer, the children can easily learn to open the drawer. In addition, the existing lockset can be always in a locked state after the drawer is closed, and sometimes the drawer does not need to be locked actually, for example, a child is not at home for a long time or the child grows up.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the defect to prior art existence, provide a simple structure, reasonable in design, can prevent more effectively that children from opening drawer or cupboard, can also be with the lock setting to the unlocking state, use more convenient prevent opening the internal lock.

In order to solve the technical problem, the utility model adopts the following technical scheme: an anti-unlocking internal lock which is more convenient to use comprises a locking piece, a lock seat and a spring, wherein the locking piece is provided with a lock rod, the front end of the lock rod is provided with a lock hook, and the rear end of the lock rod is provided with a sliding plate; the lock seat has the slide including the jam plate in the jam plate, and the slide of latch fitting sets up and forms gliding structure from top to bottom in the slide of jam plate, and the spring sets up and forms the structure of latch fitting jack-up, its characterized in that between latch fitting and lock seat: a fixed sleeve is arranged between the lock rod and the sliding plate, a control piece capable of sliding left and right is arranged in a sleeve hole of the fixed sleeve, and the control piece is clamped with the side wall of the slideway by sliding the control piece left or right to form a locking structure of the locking piece.

Furthermore, the control element comprises a sliding cover and a sleeve core, the sliding cover is connected to the top end of the sleeve core, the sleeve core is sleeved in a sleeve hole of the fixed sleeve, and the size of the sleeve core is smaller than that of the sleeve hole so that the sleeve core has a moving allowance moving left and right in the sleeve hole; the sliding cover is larger than the trepanning and is positioned above the trepanning, and the blocking walls positioned on the inner side surfaces of the side walls on the two sides of the sliding way are lower than the bottom surface of the sliding cover, so that the sliding cover slides leftwards or rightwards and then is clamped at the top end of the blocking wall.

Furthermore, the trepanning is divided into an upper part and a lower part, the size of the lower part is larger than that of the upper part, and a circle of clamping table is formed on the inner wall surface of the trepanning; the lateral surface of cover core is equipped with along the direction of control piece slip direction extension direction card strip that leads, and the card platform department in trepanning is blocked to the card strip card of direction, forms the fixed and slip guide structure of control piece and latch fitting.

Furthermore, be equipped with vertical arc location strip on the slide front surface of fixed cover top, and the rear end face of sliding closure is vertical to be equipped with two arc constant head tanks that parallel, and one of them is located the center department of sliding closure rear end face, another is located the left side of center department, make the sliding closure not blocked behind the constant head tank of location strip card income center department, just so to say only when the sliding closure dials to the centre the latch fitting just can be pressed and open drawer or cupboard, and make the sliding closure card on the wall that keeps off on the slide right side behind the constant head tank of location strip card income left. This makes it possible to keep the entire lock from being pressed down, thereby achieving a double anti-opening function.

Furthermore, the rear surface of the sliding plate is transversely provided with a limiting strip protruding backwards, the slide way is provided with a clamping strip protruding forwards and matched with the limiting strip, and after the locking piece is pressed down and the limiting strip goes over the clamping strip downwards, the limiting strip is clamped by the clamping strip to enable the locking piece not to be bounced. Therefore, when the anti-opening function is not needed, the whole locking piece can be directly pressed and released lightly, the locking hook can not hook the inner blocking piece, and the locking piece can be opened normally. When the anti-opening function needs to be restored, the locking piece is only required to be pressed again and released rapidly, and the limiting strip and the clamping strip are both of arc structures and are small in size, so that the spring can restore to the original shape under the action force of the spring.

Furthermore, still be equipped with in the slide about two vertical side blend stops with the chucking strip card in the centre, spacing length is less than the distance between the both sides blend stop a little, makes spacing can slide from top to bottom between the both sides blend stop, rocks when can preventing that the latch fitting from sliding from top to bottom.

Furthermore, a guide rod is arranged on the bottom surface of the lock rod, a guide fixing seat extending towards the front is arranged at the bottom of the lock plate, a guide hole matched with the guide rod is formed in the guide fixing seat, the guide rod penetrates through the guide hole when the locking piece is pressed down, the spring is sleeved on the guide rod and is compressed by the lock rod and the guide fixing seat, and when the locking piece is not pressed down, the spring bounces the locking piece, so that the lock hook is hooked with an inner blocking piece fixed in the drawer or the cabinet.

The lock plate is provided with a screw hole, and the lock seat is fixed through a screw; or the back end face of the lock plate is provided with a double-sided adhesive tape, and the lock seat is fixed by gluing.

The utility model has the advantages that the control piece with the sliding cover is arranged, when the sliding cover slides to one side, the blocking wall beside the sliding cover can be blocked, so that the whole locking piece can not be pressed down, the drawer or the cabinet can not be opened, and the locking piece can be pressed down only by the sliding cover to the middle position to open the drawer or the cabinet, thereby preventing children from seeing the action of pressing the locking piece by adults or unintentionally pressing down the locking piece to open the drawer or the cabinet, and achieving more effective opening prevention function; in addition, through setting up spacing strip and chucking strip, make the latch fitting can not bounce automatically after pushing down completely to it is more convenient to use when need not prevent opening the function.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural diagram of the present invention used in conjunction with an inner stop;

FIG. 3 is an exploded view of the present invention;

fig. 4 is an exploded view of the present invention from another perspective.

In the figure, 1 is a locking piece, 11 is a locking bar, 12 is a sliding plate, 13 is a fixing sleeve, 14 is a sleeve hole, 15 is a locking hook, 16 is a guide bar, 17 is a positioning bar, 18 is a limiting bar, 2 is a locking seat, 21 is a locking plate, 22 is a side wall, 23 is a blocking wall, 24 is a clamping bar, 25 is a side blocking bar, 26 is a guide fixing seat, 27 is a guide hole, 3 is a control piece, 31 is a sliding cover, 32 is a sleeve core, 33 is a guide clamping bar, 34 is a positioning groove, 4 is a spring, and 5 is an inner blocking piece.

Detailed Description

In this embodiment, referring to fig. 1, 2, 3 and 4, the anti-unlocking inner lock which is more convenient to use comprises a locking piece 1, a locking seat 2 and a spring 4, wherein the locking piece 1 is used in cooperation with an inner stopper 5, the locking piece 1 is provided with a locking rod 11, the front end of the locking rod 11 is provided with a locking hook 15, and the rear end of the locking rod 11 is provided with a sliding plate 12; the lock seat 2 comprises a lock plate 21, a slideway is arranged in the lock plate 21, a sliding plate 12 of the lock piece 1 is arranged in the slideway of the lock plate 21 to form a structure capable of sliding up and down, and the spring 4 is arranged between the lock piece 1 and the lock seat 2 to form a structure for jacking up the lock piece 1; a fixing sleeve 13 is arranged between the lock rod 11 and the sliding plate 12, a control piece which can slide left and right is arranged in a sleeve hole 14 of the fixing sleeve 13, and the control piece 3 is clamped with the side wall 22 of the slideway by sliding the control piece 3 left or right to form a locking structure of the locking piece 1.

The control member 3 comprises a sliding cover 31 and a sleeve core 32, the sliding cover 31 is connected to the top end of the sleeve core 32, the sleeve core 32 is sleeved in the sleeve hole 14 of the fixed sleeve 13, and the size of the sleeve core 32 is smaller than that of the sleeve hole 14 so that the sleeve core 32 has a moving allowance moving left and right in the sleeve hole 14; the sliding cover 31 is larger than the trepan boring 14 and is positioned above the trepan boring 14, the blocking walls 23 positioned on the inner side surfaces of the side walls 22 at two sides of the slideway are lower than the bottom surface of the sliding cover 31, so that the sliding cover 31 can be clamped at the top end of the blocking walls 23 after sliding leftwards or rightwards.

The trepanning 14 is divided into an upper part and a lower part, the size of the lower part is larger than that of the upper part, and a circle of clamping table is formed on the inner wall surface of the trepanning; the outer side surface of the sleeve core 32 is provided with a guide clamping strip 33 extending along the sliding direction of the control member, and the guide clamping strip 33 is clamped at the clamping table of the sleeve hole 14 to form a fixing and sliding guide structure of the control member 3 and the locking member 1, so that the control member 3 can slide left and right.

The front surface of the sliding plate 12 above the fixed sleeve 13 is provided with a vertical arc positioning strip 17, the rear end surface of the sliding cover 31 is vertically provided with two parallel arc positioning grooves 34 (two can be provided with three), one of the two arc positioning grooves is positioned at the center of the rear end surface of the sliding cover 31, the other arc positioning groove is positioned at the left side of the center, the positioning strip 17 is clamped into the positioning groove 34 at the center to prevent the sliding cover 31 from being clamped, namely, only when the sliding cover 31 is shifted to the middle, the locking part 1 can be pressed to open the drawer or the cabinet, and after the positioning strip 17 is clamped into the positioning groove 34 at the left side, the sliding cover 31 is clamped on the blocking wall 23. This makes it possible to hold the entire lock 1 down, thus providing a double anti-opening function.

A limit strip 18 protruding backwards is transversely arranged on the rear surface of the sliding plate 12, a clamping strip 24 protruding forwards and matched with the limit strip 18 is arranged in the sliding way, and after the locking piece 1 is pressed down and the limit strip 18 goes over the clamping strip 24 downwards, the limit strip 18 is clamped by the clamping strip 24 (needing to release hands lightly) so that the locking piece 1 cannot be bounced. Thus, when the opening-preventing function is not needed, the whole locking piece 1 can be directly pressed and released lightly, so that the locking hook 15 can not hook the inner blocking piece 5, and the locking piece can be opened normally. When the anti-opening function needs to be restored, the locking piece 1 is pressed again and released quickly, and the limiting strip 18 and the clamping strip 24 are both of arc structures and are small in size, so that the spring 4 can restore to the original state under the action force.

Still be equipped with in the slide about two vertical side blend stops 25 with chucking strip 24 card in the centre, the length of spacing 18 is less than the distance between the blend stop 25 of both sides slightly, makes spacing 18 can slide from top to bottom between the blend stop 25 of both sides, rocks when can preventing latch fitting 1 from sliding from top to bottom.

The bottom surface of the lock rod 11 is provided with a guide rod 16, the bottom of the lock plate 21 is provided with a guide fixing seat 26 which extends towards the front, a guide hole 27 which is matched with the guide rod 16 is arranged in the guide fixing seat 26, the guide rod 16 passes through the guide hole 27 when the lock piece 1 is pressed down, the spring 4 is sleeved on the guide rod 16 and is compressed by the lock rod 11 and the guide fixing seat 26, and when the lock piece 1 is not pressed down, the spring 4 bounces up to enable the lock hook 15 to be hooked with the inner blocking piece 5 fixed in the drawer or the cabinet.

The lock plate 21 is provided with a screw hole, and the lock seat 2 is fixed through a screw; or a double-sided adhesive tape is arranged on the rear end face of the lock plate 21, and the lock base 2 is fixed by gluing.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. An anti-unlocking internal lock which is more convenient to use comprises a locking piece, a lock seat and a spring, wherein the locking piece is provided with a lock rod, the front end of the lock rod is provided with a lock hook, and the rear end of the lock rod is provided with a sliding plate; the lock seat has the slide including the jam plate in the jam plate, and the slide of latch fitting sets up and forms gliding structure from top to bottom in the slide of jam plate, and the spring sets up and forms the structure of latch fitting jack-up, its characterized in that between latch fitting and lock seat: a fixed sleeve is arranged between the lock rod and the sliding plate, a control piece capable of sliding left and right is arranged in a sleeve hole of the fixed sleeve, and the control piece is clamped with the side wall of the slideway by sliding the control piece left or right to form a locking structure of the locking piece.

2. A more user friendly anti-unlock inner lock according to claim 1 wherein: the control piece comprises a sliding cover and a sleeve core, the sliding cover is connected to the top end of the sleeve core, the sleeve core is sleeved in a sleeve hole of the fixed sleeve, and the size of the sleeve core is smaller than that of the sleeve hole so that the sleeve core has a movable allowance moving left and right in the sleeve hole; the sliding cover is larger than the trepanning and is positioned above the trepanning, and the blocking walls positioned on the inner side surfaces of the side walls on the two sides of the sliding way are lower than the bottom surface of the sliding cover, so that the sliding cover slides leftwards or rightwards and then is clamped at the top end of the blocking wall.

3. A more user friendly anti-unlock inner lock according to claim 2 wherein: the trepanning is divided into an upper part and a lower part, the size of the lower part is larger than that of the upper part, and a circle of clamping table is formed on the inner wall surface of the trepanning; the lateral surface of cover core is equipped with along the direction of control piece slip direction extension direction card strip that leads, and the card platform department in trepanning is blocked to the card strip card of direction, forms the fixed and slip guide structure of control piece and latch fitting.

4. A more user friendly anti-unlock inner lock according to claim 3 wherein: the front surface of the sliding plate above the fixed sleeve is provided with a vertical arc positioning strip, the rear end surface of the sliding cover is vertically provided with two parallel arc positioning grooves, one arc positioning groove is positioned at the center of the rear end surface of the sliding cover, the other arc positioning groove is positioned at the left side of the center, the positioning strip is clamped into the positioning groove at the center to prevent the sliding cover from being clamped, and the sliding cover is clamped on the blocking wall at the right side of the slide way after the positioning strip is clamped into the positioning groove at the left side.

5. A more user friendly anti-unlock inner lock according to claim 1 wherein: the rear surface of the sliding plate is transversely provided with a limiting strip protruding backwards, the slide way is internally provided with a clamping strip protruding forwards and matched with the limiting strip, and after the locking piece is pressed down and the limiting strip goes over the clamping strip downwards, the limiting strip is clamped by the clamping strip to form a positioning structure when the locking piece is pressed down.

6. A more user friendly anti-unlock inner lock according to claim 5 wherein: the slide way is also internally provided with a left vertical side barrier strip and a right vertical side barrier strip which clamp the clamping strip in the middle, and the length of the limiting strip is slightly smaller than the distance between the barrier strips at the two sides, so that the limiting strip can slide up and down between the barrier strips at the two sides.

7. A more user friendly anti-unlock inner lock according to claim 1 wherein: the bottom surface of the lock rod is provided with a guide rod, the bottom of the lock plate is provided with a guide fixing seat extending towards the front, a guide hole matched with the guide rod is formed in the guide fixing seat, the guide rod penetrates through the guide hole when the locking piece is pressed down, and the spring is sleeved on the guide rod and compressed by the lock rod and the guide fixing seat.

8. A more user friendly anti-unlock inner lock according to claim 1 wherein: the lock plate is provided with a screw hole, and the lock seat is fixed through a screw; or the back end face of the lock plate is provided with a double-sided adhesive tape, and the lock seat is fixed by gluing.