CN209924622U

CN209924622U - Door lock

Info

Publication number: CN209924622U
Application number: CN201920076026.2U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Jianlang Precision Manufacturing Co Ltd
Current assignee: Guangdong Jianlang Precision Manufacturing Co Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-01-10
Anticipated expiration: 2029-01-16

Abstract

The utility model relates to a door lock, which comprises a lock body and a lock tongue component; the lock body comprises a panel, and the lock tongue assembly comprises a lock tongue connected with the panel in a sliding manner, compensation pieces connected to two opposite side surfaces of the lock tongue in a sliding manner, and a pushing spring abutted against the compensation pieces; one end of the pushing spring is abutted against the compensation piece, and the other end of the pushing spring is abutted against the end part of the lock tongue; the spring bolt slides and protrudes beyond the panel, the end part of the spring bolt extrudes and pushes the spring to drive the compensating piece to protrude outwards, so that one end of the compensating piece protrudes beyond the panel and then fills the gap between the spring bolt and the lock catch box. Above-mentioned lock, simple structure, slidable mounting has the compensating part on two relative sides of spring bolt, and protruding the outside of surpassing the panel that stretches when the spring bolt slides, the outside that stretches out the panel thereupon under the effect that promotes the spring is used for pressing from both sides the clearance of locating between spring bolt and the hasp box, improves the leakproofness of spring bolt and hasp box, reduces the production of noise, the life of extension lock.

Description

Door lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to lock.

Background

At present, the lock mechanism commonly used in the market mainly comprises a bolt, wherein the bolt extends out of a panel and is inserted into a lock catch box on a doorframe. Specifically, be equipped with the lock tongue hole on the hasp box, the lock tongue hole is worn to establish by the spring bolt, needs the cross sectional dimension of spring bolt and the size of the lock tongue hole of hasp box to cooperate, and the spring bolt can lead to the spring bolt frictional force big with the size cooperation of lock tongue hole too tightly usually, and the flexible process of spring bolt is hard to influence even the realization of locking or unblanking. Therefore, in practical use, a certain gap is reserved around the bolt hole on the door frame, but the existence of the gap can still enable the bolt to rock in the bolt hole after being locked, so that impact noise is easily generated, and even the lockset is damaged.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a door lock, simple structure can effectively fill the clearance between spring bolt and the hasp box, improves the leakproofness of spring bolt and hasp box, reduces the production of noise, prolongs the life of door lock.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

a door lock is used for being installed on a door leaf and matched with a lock catch box on a door frame, and comprises a lock body and a lock tongue assembly which is installed inside the lock body in a sliding mode; the lock body comprises a panel, and the lock tongue assembly comprises a lock tongue in sliding connection with the panel, compensation pieces in sliding connection with two opposite side surfaces of the lock tongue, and a pushing spring abutted against the compensation pieces; one end of the pushing spring is abutted against the compensating piece, and the other end of the pushing spring is abutted against the end part of the lock tongue; when the spring bolt slides and protrudes beyond the panel, the end part of the spring bolt extrudes the pushing spring to drive the compensating piece to protrude outwards, so that one end of the compensating piece protrudes beyond the panel and then fills a gap between the spring bolt and the lock catch box.

Above-mentioned lock, simple structure, slidable mounting has the compensating part on two relative sides of spring bolt, and protruding the outside of surpassing the panel that stretches when the spring bolt slides, the outside that stretches out the panel thereupon under the effect that promotes the spring is used for pressing from both sides the clearance of locating between spring bolt and the hasp box, improves the leakproofness of spring bolt and hasp box, reduces the production of noise, the life of extension lock.

In one embodiment, the keeper includes a sealing plate with a latch hole in the middle; the compensating piece is provided with a first end and a second end, and the width of the first end is gradually reduced from the second end to the first end; the sum of the thicknesses of the two second ends and the lock tongue is greater than the opening width of the lock tongue hole; the first end protrudes and exceeds the panel and then is clamped between the lock tongue and the sealing plate.

In one embodiment, the bolt assembly further comprises a strut connected to one end of the compensator; one end of the support rod, which is far away from the compensation piece, penetrates through the end part of the lock tongue; the pushing spring is sleeved on the supporting rod.

In one embodiment, the first end is distal from the post and the second end is connected to the post.

In one embodiment, the lock body further comprises a handle pivoted outside the panel, a shifting piece coaxially connected with the handle, and a shifting block pivoted inside the panel; the plectrum is positioned inside the panel; the poking block is positioned on one side of the poking piece, one side of the poking block is used for abutting against the poking piece, and the other end of the poking block is used for pushing the lock tongue.

In one embodiment, the inner wall of the lock body is further connected with two limiting columns, and the limiting columns are located on two opposite sides of the shifting piece.

In one embodiment, the latch bolt assembly further comprises an end sleeve mounted on one side of the panel; one end of the lock tongue penetrates through the end sleeve, and the other end of the lock tongue is provided with a driving groove; one end of the poking block, far away from the poking piece, is accommodated in the driving groove, and one end of the poking block, far away from the poking piece, is used for abutting against the inner wall, corresponding to the two opposite sides of the inside of the driving groove, of the spring bolt.

In one embodiment, the bolt assembly further comprises hooks pivoted in the other two opposite side surfaces of the bolt; the spring bolt pin joint has two relative sides of trip are equipped with the installation cavity respectively, the installation cavity is used for holding the trip.

In one embodiment, the hook is provided with a hook part and a pressing part; the hook part is positioned at one end of the hook, which is far away from the toggle block, and the pressing part is positioned at one end of the hook, which is close to the toggle block; still install the jacking spring in the installation cavity, the one end butt of jacking spring in the inner wall of installation cavity, other end butt press the splenium.

In one embodiment, the lock body further comprises a knob coaxially connected to the dial block, the knob being located outside the faceplate.

Drawings

Fig. 1 is a perspective view of a door lock according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the door lock shown in FIG. 1;

FIG. 3 is an exploded view of the keeper of the door lock of FIG. 2;

FIG. 4 is a schematic view of the latch bolt assembly and the tumbler in the door lock of FIG. 2;

FIG. 5 is an exploded comparison view of the deadbolt assembly and tumbler in the door lock shown in FIG. 4;

FIG. 6 is a schematic view of the locked state of the strike assembly and strike housing of the door lock of FIG. 1;

fig. 7 is a cross-sectional view taken along line a-a of fig. 6.

Reference is made to the accompanying drawings in which:

10-lock catch box, 11-main box, 12-sealing plate, 13-containing cavity, 14-lock tongue hole;

20-door lock, 21-panel, 22-handle, 23-shifting piece, 24-shifting block, 25-limiting column and 26-knob;

30-bolt assembly, 31-end sleeve, 32-bolt, 320-driving groove, 33-trip, 34-compensation piece, 35-support rod, 36-pushing spring, 37-mounting cavity and 28-jacking spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 7, a door lock according to a preferred embodiment of the present invention is provided for being installed on a door leaf, and the door lock includes a lock body 10 and a latch bolt assembly 20 slidably installed inside the lock body 10. The locking bolt assembly 20 is adapted to be slidably inserted into the keeper 30 installed on the doorframe after protruding beyond the lock body 10 to provide a locking effect. The lockbox 30 includes a main box 31, and a closing plate 32 attached to one side of the main box 31. The main box 31 is provided with an accommodating cavity 33, the middle part of the closing plate 32 is provided with a lock tongue hole 34, the lock tongue hole 34 is correspondingly communicated with the accommodating cavity 33, and the opening size of the lock tongue hole 34 is smaller than that of the accommodating cavity 44.

The lock body 10 comprises a panel 11, a handle 12 pivoted outside the panel 11, a shifting piece 13 coaxially connected with the handle 12, a shifting block 14 pivoted inside the panel 11, and a bolt assembly 20 slidably mounted inside the panel 11. The face plate 11 is spaced from the closure plate 32. Plectrum 13 is located the inside of panel 11, and setting block 14 is located one side of setting block 13, and the one end of setting block 14 is used for butt plectrum 13, and the other end is used for promoting spring bolt subassembly 20. When the handle 12 is pulled, the shifting piece 13 can be driven to push the shifting block 14. In this embodiment, the inner wall of the panel 11 is further connected with two limiting posts 15, the limiting posts 15 are located on two opposite sides of the pick 13, and the limiting posts 15 are used for limiting the swing range of the pick 13. Further, the lock body 10 further includes a knob 16 coaxially connected to the dial 14, the knob 16 is located outside the faceplate 11, and the dial 14 is controlled to rotate by twisting the knob 16.

The latch bolt assembly 20 includes an end sleeve 21 installed at one side of the panel 11, a latch bolt 22 slidably connected to the panel 11, a hook 23 pivotally connected to two opposite sides of the latch bolt 22, a compensating member 24 slidably connected to the other two opposite sides of the latch bolt 22, a support rod 25 connected to one end of the compensating member 24, and a push spring 26 sleeved on the support rod 25. The end sleeve 21 is arranged on one side of the closing plate 32 in a corresponding mode. The thickness of locking bolt 22 is less than the width of the opening of locking bolt hole 34. One end of the bolt 22 passes through the end sleeve 21, and the other end is provided with a driving groove 220. One end of toggle block 14, which is far from toggle piece 13, is accommodated in driving groove 220, the one end of toggle block 14 is used for abutting against the inner walls of the opposite sides of the interior of driving groove 220 on lock tongue 22, and toggle block 14 can push lock tongue 22 to protrude out of panel 11 or retract into panel 11. The compensating piece 24 is provided with a first end and a second end, the first end is far away from the supporting rod 25, and the second end is connected with the supporting rod 25; the width of the first end gradually decreases from the second end toward the first end, and the sum of the two second ends and the thickness of the locking bolt 22 is greater than the opening width of the locking bolt hole 34. One end of strut 25 far from compensator 24 penetrates through the end of bolt 22, and one end of pushing spring 26 abuts against compensator 24 and the other end abuts against the end of bolt 22.

When the toggle block 14 pushes the latch bolt 22 to slide and protrude beyond the panel 11, the latch bolt 22 penetrates through the end sleeve 21 and the latch bolt hole 34 and then is inserted into the accommodating cavity 33 of the main box 31, meanwhile, the end of the latch bolt 22 extrudes the push spring 26, and then the push spring 26 pushes the compensation piece 24 to protrude outwards, so that the first end protrudes beyond the panel 21 and then is clamped between the latch bolt 22 and the sealing plate 32, and the gap between the latch bolt 22 and the sealing plate 32 is just filled, so that the latch bolt 22 and the latch box 30 are tightly connected, shaking and noise are avoided, and the sealing performance is improved.

In this embodiment, the hook 23 has a hook portion and a pressing portion, the hook portion is located at an end of the hook 23 away from the toggle block 14, and the pressing portion is located at an end of the hook 23 close to the toggle block 14. Two opposite side surfaces of the lock tongue 22 are respectively provided with a mounting cavity 27, and the mounting cavities 27 are used for accommodating the hooks 23. Further, still install jacking spring 28 in the installation cavity 27, jacking spring 28's one end butt is in the inner wall of installation cavity 27, and the other end butt presses the splenium, and under jacking spring 28's effect, the splenium protruding is established and is surpassed installation cavity 27 according to the splenium, colludes the position and is located installation cavity 27. When bolt 22 inserts and locates holding chamber 33 of main box 31, trip 23 wears to establish end cover 21, presses the splenium to sink by the extrusion of end cover 21 and gets into installation cavity 27 in, colludes the lifting of portion and protruding stretching beyond installation cavity 27, colludes the portion and is located and holds chamber 33, colludes the portion and is used for blocking and establishes shrouding 32, can prevent the lock picking action.

The door lock is simple in structure, the compensation pieces 24 are slidably mounted on the two opposite side surfaces of the lock tongue 22, when the lock tongue 22 slides and protrudes to exceed the outside of the panel 11, the compensation pieces 24 extend out of the outside of the panel 11 under the action of the pushing spring 36, one end of each compensation piece 24 is used for clamping a gap between the lock tongue 22 and the lock catch box 30, the sealing performance of the lock tongue 22 and the lock catch box 30 is improved, the noise is reduced, and the service life of the door lock is prolonged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A door lock is used for being installed on a door leaf and matched with a lock catch box on a door frame, and is characterized by comprising a lock body and a lock tongue assembly which is installed inside the lock body in a sliding mode; the lock body comprises a panel, and the lock tongue assembly comprises a lock tongue in sliding connection with the panel, compensation pieces in sliding connection with two opposite side surfaces of the lock tongue, and a pushing spring abutted against the compensation pieces; one end of the pushing spring is abutted against the compensating piece, and the other end of the pushing spring is abutted against the end part of the lock tongue; when the spring bolt slides and protrudes beyond the panel, the end part of the spring bolt extrudes the pushing spring to drive the compensating piece to protrude outwards, so that one end of the compensating piece protrudes beyond the panel and then fills a gap between the spring bolt and the lock catch box.

2. The door lock of claim 1 wherein said keeper includes a sealing plate having a latch opening at a central portion thereof; the compensating piece is provided with a first end and a second end, and the width of the first end is gradually reduced from the second end to the first end; the sum of the thicknesses of the two second ends and the lock tongue is greater than the opening width of the lock tongue hole; the first end protrudes and exceeds the panel and then is clamped between the lock tongue and the sealing plate.

3. The door lock of claim 2, wherein the deadbolt assembly further comprises a strut coupled to an end of the compensator; one end of the support rod, which is far away from the compensation piece, penetrates through the end part of the lock tongue; the pushing spring is sleeved on the supporting rod.

4. The door lock of claim 3, wherein said first end is distal from said post and said second end is connected to said post.

5. The door lock of claim 1, wherein the lock body further comprises a handle pivotally connected to an exterior of the panel, a paddle coaxially connected to the handle, and a toggle block pivotally connected to an interior of the panel; the plectrum is positioned inside the panel; the poking block is positioned on one side of the poking piece, one side of the poking block is used for abutting against the poking piece, and the other end of the poking block is used for pushing the lock tongue.

6. The door lock of claim 5, wherein two position posts are further connected to the inner wall of the lock body, and the position posts are located on opposite sides of the pick.

7. The door lock of claim 5, wherein the latch bolt assembly further comprises an end sleeve mounted to one side of the panel; one end of the lock tongue penetrates through the end sleeve, and the other end of the lock tongue is provided with a driving groove; one end of the poking block, far away from the poking piece, is accommodated in the driving groove, and one end of the poking block, far away from the poking piece, is used for abutting against the inner wall, corresponding to the two opposite sides of the inside of the driving groove, of the spring bolt.

8. The door lock of claim 5, wherein the strike assembly further comprises a hook pivotally connected to the strike on opposite sides thereof; the spring bolt pin joint has two relative sides of trip are equipped with the installation cavity respectively, the installation cavity is used for holding the trip.

9. The door lock of claim 8, wherein the hook is provided with a hook portion and a pressing portion; the hook part is positioned at one end of the hook, which is far away from the toggle block, and the pressing part is positioned at one end of the hook, which is close to the toggle block; still install the jacking spring in the installation cavity, the one end butt of jacking spring in the inner wall of installation cavity, other end butt press the splenium.

10. The door lock of claim 5, wherein the lock body further comprises a knob coaxially coupled to the tumbler, the knob being located outside of the faceplate.