CN218265440U

CN218265440U - Safety lock structure

Info

Publication number: CN218265440U
Application number: CN202222273133.9U
Authority: CN
Inventors: 黄国勇
Original assignee: Ningbo Cadit Machinery Co ltd
Current assignee: Ningbo Cadit Machinery Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-10
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a safety lock structure belongs to door fence accessory technical field. It has solved the current poor problem of safety lock structure security. This safety lock structure includes lock body and lock seat, and the lock seat has been close to lock body one side and has been seted up the locked groove, and the tip that has spring bolt and spring bolt that inserts the locked groove on the lock body is close to the tank bottom setting of locked groove, and the locked groove is located the domatic of being equipped with relative spring bolt downside downward sloping near notch position department on the cell wall of spring bolt below, is equipped with on the lock body to drive the spring bolt part and withdraws from the locked groove and make the spring bolt tip be in the linkage piece of domatic top, when the spring bolt tip is in domatic top the spring bolt can make the spring bolt tip move to withdrawing from the locked groove completely along domatic direction through upwards lifting the lock seat. The linkage of this design is removed also can only the unblock part, can't directly open the door grating of having installed this safety lock, only lifts the lock seat again and just can accomplish whole unblocks after removing the linkage for this safety lock security after the locking obtains promotion by a wide margin.

Description

Safety lock structure

Technical Field

The utility model relates to a belong to children's door fence accessory technical field, relate to a safety lock structure.

Background

The children's door fence is a simple and easy blocking device who is used for placing children room from home, and it mainly comprises the hurdle frame that is used for fixing with the wall and the breast board of rotation connection on the hurdle frame, and the breast board can rotate to open and make things convenient for us adult to pass through, often is provided with simple and easy safety lock between breast board and hurdle frame. The conventional simple safety lock consists of a lock body and a lock seat, the lock body is fixed on a hurdle frame, the lock body is provided with a telescopic bolt, the lock seat is provided with a lock groove for the bolt to insert, the lock seat is fixed on the hurdle plate, the lock body is provided with a button capable of driving the bolt to be completely accommodated in the lock body, when locking is needed, locking can be completed only by sliding the button to enable the bolt to be completely retracted into the lock body and then aligning the lock groove on the lock seat with the bolt position to release the button, unlocking can be directly performed through the button when unlocking is performed, but when people use the safety lock, people find that clever children or young children can unlock the door fence only by sliding the button after seeing unlocking operation of adults for several times, so that the door fence is in the same nominal shape, and the door fence is convenient for users to use, the button is placed on an obvious position on the upper end face of the lock body and even provided with comments or patterns for opening, so that children with great curiosity can try to slide, and the safety lock can be unlocked.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a safety lock structure. It solves the technical problem that the safety of the existing safety lock structure is poor.

In order to realize the purpose, the utility model adopts the technical scheme that:

the utility model provides a safety lock structure, includes lock body and lock seat, the lock seat has been close to lock body one side and has been seted up the locked groove, the tank bottom setting that the tip that has spring bolt and the spring bolt that inserts the locked groove on the lock body is close to the locked groove, its characterized in that, the locked groove is located the cell wall of spring bolt below and is equipped with the domatic of relative spring bolt downside downward sloping near notch position department, be equipped with on the lock body and drive the spring bolt part and withdraw from the linkage piece that the locked groove made the spring bolt tip be in domatic top, when the spring bolt tip is in domatic top the spring bolt can make the spring bolt tip remove to withdrawing from the locked groove completely along domatic direction through upwards lifting the lock seat.

This safety lock structure has three kinds of states: in a normal locking state, the lock tongue is completely inserted into the lock groove, the end part of the lock tongue is close to the bottom of the lock groove, and at the time, the lock seat is moved upwards in the up-down front-back direction, so that the lock tongue and four groove walls of the lock groove form a support to limit the movement of the lock seat, namely, the normal locking state; in a semi-unlocking state, if a person accidentally moves the linkage piece to enable the spring bolt to partially withdraw from the lock groove, at the moment, the spring bolt can be abutted against the front side groove wall and the rear side groove wall of the lock groove in the front-rear direction and is positioned in a locked state at the front side and the rear side, the lock seat is pressed downwards, the spring bolt can also be abutted against and limited to be separated from the upper side groove wall of the lock groove, only the lock seat is lifted upwards, the slope surface on the lock seat can drive the spring bolt to guide and move to further withdraw from the lock groove, and when the spring bolt completely withdraws from the lock groove, the lock seat can move back and forth, namely, the lock is unlocked; the complete unlocking moves the linkage earlier and makes the spring bolt tip be in domatic top, then lets domatic drive spring bolt withdraw from the locked groove completely through carrying and draw the lock seat and be in the complete unlocking state promptly, and this design is through such three kinds of unlocking states, can realize preventing that some kids from going to unblock this safety lock through control linkage, even the linkage is moved also can only unblock the part, and can't open the door sill of having installed this safety lock for the security of this safety lock after the locking obtains promotion by a wide margin.

In the safety lock structure, the lower side of the end part of the lock tongue is provided with the guide inclined plane which can be matched with the slope surface.

The direction inclined plane has on the tip of the spring bolt of this design, and the direction inclined plane is the same with domatic incline direction, and what the direction inclined plane can be better when carrying the zip lock seat makes the spring bolt withdraw from the lock seat completely along domatic direction removal, and the design makes this safety lock structure more smooth and easy when the secondary unblock, improves the security when guaranteeing that the unblock is smooth and easy.

In foretell safety lock structure, the stroke groove has been seted up to the lock body upper end, the button that the linkage just can follow the stroke groove and remove for being located the stroke inslot, the draw-in groove has been seted up to the upper end of spring bolt, the left side of draw-in groove is sealed and the right side of draw-in groove is opened, be equipped with the fixture block that the card goes into in the draw-in groove on the button, the fixture block can form with draw-in groove left side cell wall and keep out and the fixture block can deviate from the right side uncovered department of draw-in groove, when the button removes left to support to lean on to support and lean on when leaning on with the left side cell wall in stroke groove the tip of spring bolt is located domatic top.

The linkage of this design is actually for the button, can drive the spring bolt unblock through the removal button on the lock body, but the button of this design also can only withdraw the spring bolt half when moving to leftmost extreme position along the stroke groove, the spring bolt part is retrieved and is made the tip of spring bolt be located domatic top, can let the spring bolt further retract through carrying the lock seat like this, thereby such secondary unblock mode can effectively avoid some clever children independently to remove the button unblock safety lock and open the door sill, design the security height like this.

Through fixture block and draw-in groove cooperation between the button of this design and the spring bolt, the left side cell wall of draw-in groove is the encapsulated situation, the right side cell wall is open state, can drive the synchronous left side of spring bolt to move out the locked groove when the button moves left like this, but move the stroke groove and reach the biggest exit stroke promptly in the leftmost side at the button, the fixture block can be followed the uncovered department on draw-in groove right side and taken off when moving on the lock seat domatic drive spring bolt continuation move left this moment, can not disturb the removal of spring bolt, design structure is ingenious like this, and the practicality is fabulous.

In foretell safety lock structure, the lock body includes casing and spring, have the installation cavity that holds the spring bolt in the casing, the spring bolt slides and sets up in the installation cavity and the right-hand member of spring bolt is worn out and is inserted the locked groove from the right side of casing.

In the safety lock structure, the spring is pressed between the lock tongue and the mounting cavity, and the lock tongue always keeps the trend of being inserted into the lock groove under the action of the elastic force of the spring.

In the safety lock structure, a guide post protrudes from the installation cavity, one end of the spring is sleeved on the guide post, a mounting groove is formed in the left end of the spring bolt, and the other end of the spring extends into the mounting groove and can extend into the mounting groove when the spring bolt moves leftwards and exits from the lock groove.

In the safety lock structure, the two side parts of the lock seat are provided with the guide chutes at the positions opposite to the lock groove.

The design of the guide chute is that the side part of the spring bolt can be pressed against the inclined groove bottom of the guide chute and slide along the groove bottom to gradually shrink into the lock body when the lock base returns after being opened, finally the spring bolt extends into the lock groove to be locked when the lock groove is opposite to the spring bolt, and the guide chute mainly plays a role of guiding the spring bolt to enter the lock groove when being closed, so that the design is convenient for automatic locking.

The utility model has the advantages that: this design can only let the spring bolt part withdraw from the locked groove through removing the linkage, then just can let domatic drive spring bolt guide on the lock seat move and further withdraw from the locked groove to the pulling lock seat that lifts, complete unblock, can prevent like this that some kids from going to unblock this safety lock through control linkage, even the linkage is removed also can the unblock part, and can't open the door fence of installing this safety lock, only remove the linkage after the lifting lock seat just can accomplish whole unblocks again, make the security of this safety lock after the locking obtain promotion by a wide margin.

Drawings

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

fig. 2 is a half sectional view of the present invention;

fig. 3 is a structural view of the lock body of the present invention;

fig. 4 is a structural view of the lock base of the present invention;

fig. 5 is a part view of the housing of the present invention;

fig. 6 is a part view of the locking tongue of the present invention;

fig. 7 is a part view of a linkage member according to the present invention.

In the figure, 1, a lock body; 11. a stroke slot; 12. a housing; 13. a spring; 14. a mounting cavity; 15. a guide post; 2. a lock seat; 21. locking the groove; 22. a slope surface; 23. a guide chute; 3. a latch bolt; 31. a guide slope; 32. a card slot; 33. mounting grooves; 4. a linkage member; 41. a button; 42. and (7) clamping blocks.

Detailed Description

As shown in fig. 1-7, the safety lock structure includes a lock body 1 and a lock base 2, a lock groove 21 is formed on one side of the lock base 2 close to the lock body 1, a lock tongue 3 inserted into the lock groove 21 is arranged on the lock body 1, and the end of the lock tongue 3 is close to the bottom of the lock groove 21, a slope 22 inclined downwards relative to the lower side of the lock tongue 3 is arranged on the groove wall of the lock groove 21 below the lock tongue 3 at a position close to the notch, a linkage member 4 capable of driving part of the lock tongue 3 to exit from the lock groove 21 so that the end of the lock tongue 3 is located above the slope 22 is arranged on the lock body 1, and when the end of the lock tongue 3 is located above the slope 22, the lock tongue 3 can move to exit from the lock groove 21 completely by lifting the lock base 2 upwards along the slope 22. This safety lock structure has three kinds of states: in a normal locking state, the bolt 3 is completely inserted into the lock groove 21, the end part of the bolt 3 is close to the bottom of the lock groove 21, at this time, the lock base 2 is moved upwards in the up-down front-back direction, and the bolt 3 and four groove walls of the lock groove 21 form a support to limit the movement of the lock base 2, namely, the normal locking state; in a semi-unlocking state, if a person accidentally moves the linkage 4 to enable the bolt 3 to partially withdraw from the lock groove 21, at the moment, the bolt 3 can be in a resisting state with the front and rear side groove walls of the lock groove 21 in the front and rear directions, and when the front and rear sides are in a locking state, the lock base 2 is pressed downwards, the bolt 3 can also be in a resisting limit and is separated from the upper side groove wall of the lock groove 21, only the lock base 2 is lifted upwards, the slope 22 on the lock base 2 can drive the bolt 3 to move in a guiding manner to further withdraw from the lock groove 21, and when the bolt 3 completely withdraws from the lock groove 21, the lock base 2 can move back and forth, namely, the unlocking is realized; complete unlocking, remove linkage 4 earlier and make 3 tip of spring bolt be in domatic 22 top, then let domatic 22 drive spring bolt 3 to withdraw from the locked groove 21 completely through carrying and draw lock seat 2 and be in the complete unlocking state promptly, this design is through such three kinds of unlocking state, can realize preventing that some kids from removing this safety lock through control linkage 4, even linkage 4 is removed also can only the unblock part, and can't open the door sill of installing this safety lock, make the security of this safety lock after the locking obtain promotion by a wide margin. The lower side of the end part of the lock tongue 3 is provided with a guide inclined plane 31 which can be matched with the sloping surface 22. The inclined plane 31 that has the direction on the tip of the spring bolt 3 of this design, the inclined plane 31 that leads is the same with domatic 22's incline direction, and the inclined plane 31 that leads when carrying the lock seat 2 can be better moves along domatic 22 direction and makes spring bolt 3 withdraw from lock seat 2 completely, and the design makes this safety lock structure more smooth and easy when the secondary unblock, improves the security when guaranteeing that the unblock is smooth and easy like this. Travel groove 11 has been seted up to lock body 1 upper end, link 4 is for being located travel groove 11 and can be along the button 41 that travel groove 11 removed, draw-in groove 32 has been seted up to the upper end of spring bolt 3, the left side of draw-in groove 32 is sealed and the right side of draw-in groove 32 is opened, be equipped with the fixture block 42 that the card was gone into in draw-in groove 32 on the button 41, fixture block 42 can form with draw-in groove 32 left side cell wall and support and fixture block 42 can take off from the right side opening of draw-in groove 32 and move, the tip that leans on spring bolt 3 when leaning on with travel groove 11 when button 41 moves left and supports and lean on is located domatic 22 top. Linkage 4 of this design is actually button 41, can drive 3 unblocks of spring bolt through moving button 41 on lock body 1, but this design's button 41 also can only withdraw the part with spring bolt 3 when moving to leftmost extreme position along stroke groove 11, spring bolt 3 part is retrieved and is made the tip of spring bolt 3 be located domatic 22 top, can let spring bolt 3 further retract through carrying the lift lock seat 2 like this, thereby it unlocks the safety lock and opens the door sill to such secondary unblock mode can effectively avoid some clever children independently to move button 41 unblock safety lock, design the security height like this. Through fixture block 42 and draw-in groove 32 cooperation between button 41 of this design and the spring bolt 3, the left side cell wall of draw-in groove 32 is the closure state, the right side cell wall is open state, can drive the synchronous left shift of spring bolt 3 and withdraw from lock groove 21 when button 41 moves left like this, but move to stroke groove 11 leftmost at button 41 and reach the biggest stroke of withdrawing from promptly, move up domatic 22 at lock seat 2 this moment and drive spring bolt 3 and continue when moving left fixture block 42 can take off from the opening on draw-in groove 32 right side and move, can not disturb the removal of spring bolt 3, design structure is ingenious like this, the practicality is fabulous.

Lock body 1 includes casing 12 and spring 13, has the installation cavity 14 that holds spring bolt 3 in the casing 12, and spring bolt 3 slides and sets up in installation cavity 14 and the right-hand member of spring bolt 3 is worn out and is inserted in keyway 21 from the right side of casing 12. Spring 13 is pressed between bolt 3 and mounting cavity 14 and bolt 3 always tends to be inserted into lock slot 21 under the action of spring force of spring 13. Protruding have guide post 15 in the installation cavity 14, spring 13's one end suit has been seted up mounting groove 33 on guide post 15 on the left end of spring bolt 3, and spring 13's the other end stretches into in mounting groove 33 and when spring bolt 3 moved left and withdraws from lock groove 21 guide post 15 can stretch into in the mounting groove 33.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description, and are not intended to indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and therefore, are not to be considered as limitations of the present invention, and the fundamental principles, main features, and advantages of the present invention have been shown and described above, as would be understood by those skilled in the art.

Claims

1. The utility model provides a safety lock structure, includes lock body (1) and lock seat (2), lock seat (2) are close to lock body (1) one side and have seted up locked groove (21), lock body (1) is gone up and has the tank bottom setting that inserts spring bolt (3) in locked groove (21) and spring bolt (3) tip be close to locked groove (21), its characterized in that, locked groove (21) are located spring bolt (3) below the cell wall and are equipped with domatic (22) of relative spring bolt (3) downside downward sloping near notch position department, be equipped with on lock body (1) and drive spring bolt (3) part and withdraw from linkage piece (4) that locked groove (21) made spring bolt (3) tip be in domatic (22) top, when spring bolt (3) tip is in domatic (22) top spring bolt (3) can make spring bolt (3) tip along domatic (22) direction removal to complete locked groove (21) through upwards lifting lock seat (2).

2. A safety lock arrangement according to claim 1, characterised in that the underside of the end of the bolt (3) is provided with a guide ramp (31) which engages the ramp (22).

3. The safety lock structure according to claim 2, wherein a travel groove (11) is formed in the upper end of the lock body (1), the linkage member (4) is a button (41) which is located in the travel groove (11) and can move along the travel groove (11), a clamping groove (32) is formed in the upper end of the lock tongue (3), the left side of the clamping groove (32) is closed, the right side of the clamping groove (32) is open, a clamping block (42) which is clamped into the clamping groove (32) is arranged on the button (41), the clamping block (42) can be abutted against the left side groove wall of the clamping groove (32), the clamping block (42) can be disengaged from the right side opening of the clamping groove (32), and when the button (41) moves leftwards to abut against the left side groove wall of the travel groove (11), the end of the lock tongue (3) is located above the slope surface (22).

4. A safety lock arrangement according to claim 1, 2 or 3, wherein the lock body (1) comprises a housing (12) and a spring (13), the housing (12) has a mounting chamber (14) therein for accommodating the locking bolt (3), the locking bolt (3) is slidably disposed in the mounting chamber (14) and the right end of the locking bolt (3) is inserted into the lock groove (21) through the right side of the housing (12).

5. A safety lock arrangement according to claim 4, characterised in that the spring (13) is press fitted between the bolt (3) and the mounting cavity (14) and the bolt (3) is always held in a tendency to insert into the lock recess (21) under the force of the spring (13).

6. A safety lock arrangement according to claim 5, wherein a guide post (15) projects into the mounting cavity (14), one end of the spring (13) is fitted over the guide post (15), the left end of the bolt (3) is provided with a mounting groove (33), the other end of the spring (13) extends into the mounting groove (33) and the guide post (15) can extend into the mounting groove (33) when the bolt (3) is moved leftwards to exit the locking groove (21).

7. A safety lock arrangement according to claim 6, characterised in that the lock holder (2) is provided with guide ramps (23) on both sides opposite the lock slot (21).