CN218029516U - Handle door lock capable of preventing children from opening in door - Google Patents

Abstract

The utility model discloses an avoid handle lock that children's door was opened in, spring bolt portion include push rod and latch bolt, the spring bolt torsion portion orders about the push rod seesaw, drives the latch bolt and holds the external motion of returning towards the lock shell, the tail end of push rod is equipped with telescopic locking portion, the locking portion is including running through outdoor jam plate, and extends to the outer spacing end of lock shell, and the locking end that is located the lock intracavity, be equipped with the trompil corresponding with the locking position on the indoor jam plate, one side of locking end is equipped with the inclined plane, and the opposite side is equipped with the telescopic fixture block, be equipped with draw-in groove one, draw-in groove two with the fixture block adaptation on the inner wall of lock chamber, when the fixture block moves to draw-in groove one, the inclined plane on the locking end is inconsistent with the tail end of push rod, when the fixture block moves to draw-in groove two, the tail end that the push rod was left to the locking end. The utility model has the advantages of high safety performance and good product quality.

Description

Handle door lock capable of preventing children from opening in door

Technical Field

The utility model relates to a lock technical field, more specifically say, it relates to an avoid the interior handle lock of opening of children's door.

Background

And the handle door lock is arranged indoors and used for locking the door body. A common indoor handle door lock can be unlocked by rotating a handle, so that a door can be opened. Under some special indoor environment, especially under the condition that there is children, indoor handle lock is very easy to be opened, can have very big potential safety hazard. Therefore, the handle door lock capable of preventing children from opening in the door can improve the safety performance of indoor environment and further improve the safety performance of the lock.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a security performance is higher, can avoid the handle lock that children's door was opened in.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an avoid inside handle lock of opening of children's door, includes the lock shell, the lock shell corresponds indoor one side and is indoor jam plate, corresponds outdoor one side and is outdoor jam plate, form the lock chamber between indoor jam plate and the outdoor jam plate, the lock intracavity is equipped with the locking structure, the locking structure includes spring bolt torsion portion and spring bolt portion, spring bolt portion includes push rod and oblique tongue, the spring bolt torsion portion orders about the push rod seesaw, drives the oblique tongue towards the external motion of lock shell, the tail end of push rod is equipped with telescopic detent, the detent is including running through outdoor jam plate, and extends to the spacing end outside the lock shell, and the detent end that is located the lock chamber, be equipped with the trompil corresponding with detent position on the indoor jam plate, one side of detent is equipped with the inclined plane, and the opposite side is equipped with the telescopic fixture block, be equipped with draw-in groove one, draw-in groove two with the fixture block adaptation on the inner wall of lock chamber, when the fixture block moves to draw-in groove one, the inclined plane on the detent end is inconsistent with the tail end of push rod, when the fixture block moves to draw-in the draw-in groove two, the tail end that the fixture block left the push rod.

The utility model discloses further set up to: the locking end is externally provided with a limiting ring and a spring, one end of the spring is abutted against the limiting ring, and the other end of the spring is abutted against the inner wall of the lock cavity.

The utility model discloses further set up to: the spring bolt portion of torsion is including turning round seat, reset torsion spring, cover and establish the square core pole of establishing on turning round the seat torsion piece one, torsion piece two and insert, one side of torsion piece one and torsion piece two is equipped with the kicking pad, forms between two kicking pads and presss from both sides the groove, be equipped with the baffle on the push rod, the push rod is worn to locate and is pressed from both sides the inslot, just the kicking pad is inconsistent with the baffle, still be equipped with the lug that resets on the torsion piece two, the lug that resets cooperatees with the reset torsion spring.

The utility model discloses further set up to: one side of the stopping end is provided with a groove, the clamping block is arranged in a spherical shape and is positioned in the groove, and a pressure spring is further arranged between the clamping block and the bottom wall of the groove.

Through adopting above-mentioned technical scheme, add the structure of locking end, after the tool to lock is to the door body locking, through the locking end, can play the effect that prevents that the tool to lock from directly opening from the door, avoid indoor children's maloperation to open the door, cause the potential safety hazard. After the locking end is adopted for secondary locking, when the door needs to be opened, the locking end can be pressed by other tools, so that the locking end is separated from the limit of the lock tongue portion, the door is unlocked, and the use safety performance of the lockset is improved.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

fig. 4 is a schematic structural diagram of the present invention.

1. A lock case; 10. an indoor lock plate; 11. an outdoor lock plate; 12. a lock cavity; 2. a bolt torsion portion; 20. twisting the seat; 21. a return torsion spring; 22. a first torsion piece; 23. a second torsion piece; 24. a square core bar; 25. pushing the sheet; 26. a clamping groove; 27. resetting the bump; 3. a lock tongue portion; 30. a push rod; 31. a latch bolt; 32. a baffle plate; 4. a stopper portion; 40. a limiting end; 41. a stopping end; 42. opening a hole; 43. a bevel; 44. a clamping block; 45. a first clamping groove; 46. a second clamping groove; 47. a limiting ring; 48. a spring; 49. a groove; 50. and (5) pressing a spring.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 4. The structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather the structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms may be changed or adjusted without substantial change in the technical content.

A handle door lock capable of avoiding opening of a child door comprises a lock shell 1, wherein the lock shell 1 corresponds to an indoor side and is provided with an indoor lock plate 10, the lock shell corresponds to an outdoor side and is provided with an outdoor lock plate 11, a lock cavity 12 is formed between the indoor lock plate 10 and the outdoor lock plate 11, a locking structure is arranged in the lock cavity 12 and comprises a lock bolt torsion portion 2 and a lock bolt portion 3, the lock bolt portion 3 comprises a push rod 30 and an inclined bolt 31, the lock bolt torsion portion 2 drives the push rod 30 to move back and forth to drive the inclined bolt 31 to move back and forth towards the outside of the lock shell 1, a telescopic stopping portion 4 is arranged at the tail end of the push rod 30, the stopping portion 4 comprises a limiting end 40 penetrating through the outdoor lock plate 11 and extending to the outside of the lock shell 1 and a stopping end 41 located in the lock cavity 12, an opening 42 corresponding to the position of the stopping end 41 is arranged on the indoor lock plate 10, an inclined surface 43 is arranged at one side of the stopping end 41, a clamping block 44 is arranged at the other side, a clamping block 44 is arranged on the inner wall of the lock cavity 12, a first clamping groove 46 and a second clamping groove 46 and a clamping block 44 and a clamping groove 46 which is arranged on the push rod 30 and is contacted with the telescopic stopping end of the clamping block 44 when the push rod 30 and moves away from the clamping block 41. A limiting ring 47 and a spring 48 are arranged outside the stopping end 41, one end of the spring 48 is abutted against the limiting ring 47, and the other end of the spring is abutted against the inner wall of the lock cavity 12. The bolt torsion portion 2 is including turning round swivel mount 20, reset torsion spring 21, the square core pole 24 of establishing on turning round swivel mount 20, two 23 of twisted sheet and inserting of the piece of establishing on turning round swivel mount 20, one side of one 22 of twisted sheet and two 23 of twisted sheet is equipped with the kicking pad 25, forms between two kicking pads 25 and presss from both sides groove 26, be equipped with baffle 32 on the push rod 30, push rod 30 is worn to locate in pressing from both sides groove 26, just the kicking pad 25 is inconsistent with baffle 32, still be equipped with reset lug 27 on two 23 of twisted sheet, reset lug 27 and reset torsion spring 21 cooperate. A groove 49 is formed in one side of the stopping end 41, the fixture block 44 is arranged in a spherical shape and is located in the groove 49, and a pressure spring 50 is further arranged between the fixture block 44 and the bottom wall of the groove 49.

The working principle is as follows: the square core bar 24 on the bolt torsion part 2 is matched and fixed with the handle, when the door body is locked or opened, the handle is rotated to drive the square core bar 24 to move, the square core bar 24 drives the first torsion piece 22 and the second torsion piece 23 to rotate, and when the first torsion piece 22 and the second torsion piece 23 rotate, the push piece 25 drives the push rod 30 to move back and forth, so that the latch bolt 31 moves to the door body outside the lock shell 1 to be in a locked state, or contracts to be in an open state with the door body inside the lock shell 1.

The latch bolt 31 extends to the outside of the lock shell 1 to be matched with a lock groove on the door frame, so that the locking of the door body is realized. The stopping end 41 moves towards the indoor lock plate 10 direction by pressing the limiting end 40 of the stopping part 4, the clamping block 44 moves into the clamping groove I45 from the clamping groove II 46 in the moving process of the stopping end 41, the inclined surface 43 on the stopping end 41 is abutted against the tail part of the push rod 30 at the moment, the action of limiting the movement of the push rod 30 is achieved, and the purpose of unlocking cannot be achieved by twisting the handle at the moment. The handle door lock can not be opened from the inside of the door, and the safety performance is improved. When the door needs to be opened in the door, a screwdriver or other tools extend into the lock cavity 12 from the opening 42 on the indoor lock plate 10, the stop end 41 is pressed, the stop end 41 moves towards the outdoor lock plate 11, the clamping block 44 moves into the clamping groove II 46, the stop end 41 is separated from the contact of the tail part of the push rod 30, the latch bolt 31 can be moved into the lock shell 1 by rotating the handle, the door is opened, and the door is unlocked. Due to the arrangement of the structure, the safety performance of the lockset is further improved, and the function of preventing misoperation and opening is realized.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (4)

1. The utility model provides an avoid the handle lock that children's door was opened in, includes the lock shell, the lock shell corresponds indoor one side and is indoor jam plate, corresponds outdoor one side and is outdoor jam plate, form the lock chamber between indoor jam plate and the outdoor jam plate, the lock intracavity is equipped with the locking structure, the locking structure includes spring bolt torsion portion and lock tongue portion, its characterized in that: the utility model discloses a lock, including lock shell, spring bolt portion, lock shell, limiting end, clamping groove two, when the clamping block moves to clamping groove one, the spring bolt portion includes push rod and latch bolt, spring bolt torsion portion orders about the push rod seesaw, drives the latch bolt and drives the external motion of lock shell, the tail end of push rod is equipped with telescopic locking portion, locking portion is including running through outdoor jam plate, and extends to the outer spacing end of lock shell, and is located the locking end of lock intracavity, be equipped with the trompil corresponding with locking end position on the indoor jam plate, one side of locking end is equipped with the inclined plane, and the opposite side is equipped with the telescopic fixture block, be equipped with draw-in groove one, draw-in groove two with the fixture block adaptation on the inner wall of lock chamber, when the fixture block moves to draw-in groove one, the inclined plane on the locking end is inconsistent with the tail end of push rod, when the fixture block moves to draw-in groove two, the tail end that the push rod was left to the locking end.

2. A handle door lock for preventing a child's door from being opened in a child's door according to claim 1, wherein: the locking end is externally provided with a limiting ring and a spring, one end of the spring is abutted against the limiting ring, and the other end of the spring is abutted against the inner wall of the lock cavity.

3. A handle door lock for preventing a child's door from being opened in a child's door according to claim 2, wherein: the spring bolt portion of torsion is including turning round seat, reset torsion spring, cover and establish the square core pole of establishing on turning round the seat torsion piece one, torsion piece two and insert, one side of torsion piece one and torsion piece two is equipped with the kicking pad, forms between two kicking pads and presss from both sides the groove, be equipped with the baffle on the push rod, the push rod is worn to locate and is pressed from both sides the inslot, just the kicking pad is inconsistent with the baffle, still be equipped with the lug that resets on the torsion piece two, the lug that resets cooperatees with the reset torsion spring.

4. A handle door lock for preventing a child from opening inside a door as claimed in claim 2, wherein: one side of the stopping end is provided with a groove, the clamping block is arranged in a spherical shape and is positioned in the groove, and a pressure spring is further arranged between the clamping block and the bottom wall of the groove.

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