CN210918531U

CN210918531U - New lock

Info

Publication number: CN210918531U
Application number: CN201921246905.1U
Authority: CN
Inventors: 程新民; 王向阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-07-03
Anticipated expiration: 2029-08-06

Abstract

The utility model provides a new lock. The novel lock comprises a shell, a turnover mechanism, a lock tongue, a locking rod and a locking block, wherein the shell is hollow, one side of the shell is provided with a turnover port, the shell at the turnover port is internally provided with the turnover mechanism, the turnover mechanism comprises an adjusting block, a turnover block and a movable block, the adjusting block and the movable block form a clamping port for clamping the lock tongue, the turnover block and the movable block are fixed through a turnover shaft, the turnover shaft is provided with a torsional spring, the locking rod is positioned on the right side of the turnover mechanism, one side of the locking rod is fixed by a fixed pin, a pressure spring I is arranged between the middle part of the locking rod and the shell, the locking block is fixed between the other side of the locking rod and the inner wall of the shell, the head part of the locking block is a flat iron sheet, one side of the locking rod is arc-shaped, the tail part of the, and simultaneously controlling whether the turnover mechanism is opposite to the lock tongue.

Description

New lock

Technical Field

The utility model belongs to the technical field of the tool to lock.

Background

The bolt of door leaf is generally inserted into the keyway of door frame for locking to current lock, makes the push-and-pull rod in the lock body drag the bolt to withdraw to the lock body inner door of door leaf from the keyway of door frame promptly by rotating key or handle and is opened, and current lock is locked and is unblanked all to realize through bolt horizontal migration, and the shortcoming that this kind of lock exists is: if the door needs to be tightly closed, the lock tongue and the lock groove are tightly matched, when the door is unlocked, the lock tongue needs to be pulled out of the lock groove, the relative friction force is very large, a key or a handle needs to be rotated forcibly in the unlocking process, the unlocking is inconvenient, if the door needs to be opened easily, the matching of the lock tongue and the lock groove is loose, the matching of the door leaf and the door frame is loose, and the door cannot be tightly closed.

SUMMERY OF THE UTILITY MODEL

In view of the defect that current lock exists, the utility model discloses the technical problem that will solve is: provides a new lock with small friction and firm fixation.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: a new lock, comprising:

the opening on the top surface of the shell is hollow, the top surface of the shell is sealed by a cover plate, fixing plates extend from two ends of the left vertical surface of the shell, a turnover opening is formed in the left vertical surface of the shell, and two fixing blocks are further arranged on the shell at the turnover opening;

the turnover mechanism comprises a regulating block, a turnover block, a movable block, a turnover shaft and a torsional spring, wherein two sides of the bottom of the movable block extend to form clamping heads, the movable block is clamped at two sides of the turnover block through the clamping heads, the turnover shaft passes through the two clamping heads and the turnover block and then is fixed on two fixed blocks of a turnover opening, the torsional spring is also arranged on the turnover shaft, the regulating block is fixed on the turnover block, a clamping opening is formed between the regulating block and the turnover block, and the turnover mechanism can turn over up and down along the turnover opening;

the lock tongue comprises a seat body and a rolling shaft, the seat body is in a half-frame shape, the closed end of the seat body is fixed on the door frame, and the opening end of the seat body is provided with the rolling shaft;

the locking rod is arranged in the shell and abuts against one side, where the clamping opening is not formed, of the turnover mechanism, the upper end of the locking rod is fixed through a fixing pin, and a pressure spring I is arranged between one side, where the locking rod is not in contact with the turnover mechanism, of the locking rod and the inner wall of the shell;

the locking piece, the locking piece comprises location head and fixed handle for flat iron sheet, location head both sides are supporting locking lever and shells inner wall, are the arc with the first one side of location of locking lever contact, fixed handle is fixed with the location head, and fixed pole portion wears out the casing and is connected with the lock body push-and-pull rod, still is equipped with pressure spring II on the dead lever simultaneously.

This new lock is through pulling locking piece, makes locking lever unfixed one side slowly be close to shells inner wall, and tilting mechanism has just so overturned, simultaneously because upset piece, movable block pass through the trip shaft activity fixed, the movable block can rotate round the trip shaft alone, makes the spring bolt card go into behind tilting mechanism's the double-layered mouth and fix through the torsional spring.

Furthermore, a turning space of the turning block is reserved between the turning block and the inner bottom surface of the shell.

Furthermore, a limiting column is further arranged on the bottom shell at one side, fixed with the adjusting block, of the turnover block, and the limiting column controls the turnover distance of the turnover mechanism towards the side of the locking rod.

Furthermore, the adjusting block and the turning block are fixed through screws.

Furthermore, a sliding groove for moving the bolt is formed in the adjusting block.

Furthermore, rack surfaces which are meshed with each other are arranged on the bottom surface of the adjusting block and the top surface of the overturning block.

Further, when the movable block is horizontally contacted with the bottom of the turnover opening, one side of the movable block, which is not fixed by the locking rod, is contacted with the fixed block close to the locking block.

Furthermore, the shell is internally provided with a limiting pin II and a limiting block II, the limiting pin II is used for fixing one side of the pressure spring II, the other side of the pressure spring II is fixed with the fixed handle, and the limiting block II is used for limiting the positioning head to control the outward pulling distance of the fixed handle.

Compared with the prior art, the utility model has the advantages of: 1. the positioning head of the locking block is a flat iron sheet, and the friction force between the positioning head and the locking rod is small, so that the door can be opened easily by using a key or a handle; 2. the adjusting block of the turnover mechanism and the bolt fixed by the turnover block are loosened, and the bolt is screwed again after the bolt slides along the strip bolt hole of the adjusting block for fixing, so that the adjustment is very convenient.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a schematic view of a new lock component according to the present invention.

Fig. 2 is a schematic view of the parts of the turnover mechanism of the present invention.

Description of reference numerals: 1. a housing; 2. a cover plate; 3. a fixing plate; 4. a turnover mechanism; 5. an adjusting block; 6. turning over the block; 7. a movable block; 8. clamping a head; 9. a latch bolt; 10. a base body; 11. a roller; 12. a locking lever; 13. a fixing pin; 14. a pressure spring I; 15. a locking block; 16. positioning the head; 17. a fixed handle; 18. a pressure spring II; 19. a limiting column; 20. a chute; 21. a rack face; 22. a fixed block; 23. a limiting pin II; 24. and a limiting block II.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and fig. 2, the new lock of the present invention includes a housing 1, a turnover mechanism 4, a lock tongue 9, a lock rod 12 and a lock block 15;

the shell 1 is a hollow cuboid, the top of the shell is a detachable cover plate 2, the cover plate 2 is movably fixed through screws, fixing plates 3 respectively extend from the front end and the rear end of a vertical plate on the left side of the shell 1, the shell 1 is fixed on the side edge of a door leaf by penetrating through the fixing plates 3 through bolts, a turning opening is formed in the vertical plate on the left side of the shell 1, and two opposite fixing blocks 22 are further fixed on the shell 1 on the right side of the turning opening;

the turnover mechanism 4 comprises an adjusting block 5, a turnover block 6, a movable block 7, a turnover shaft and a torsion spring, wherein the adjusting block 5 is a right-angle iron block, the bottom surface of the horizontal plane is uniformly distributed with a rack to form a rack surface, the horizontal plane is also provided with two opposite sliding chutes 20, the top surface of the turnover block 6 is distributed with a rack surface 21 opposite to the bottom surface of the adjusting block 5, thus, when the adjusting block 5 is screwed with the turnover block 6 through a bolt, the rack surface and the rack surface 21 can be meshed with each other, the tooth surface of the adjusting block 5 is meshed and fixed with the rack surface 21 of the turnover block 6 after the bolt is tightened, the adjusting block 5 can adjust the fixing position with the turnover block 6 along the sliding chute 20 of the tooth surface after the bolt is loosened, meanwhile, the other end of the adjusting block 5 is an inclined plane, the center of the turnover block 6 is provided with a center shaft hole for the turnover shaft to penetrate through, and the two ends of the, meanwhile, two ends of the turnover block 6 are connected with the turnover shaft through torsional springs, the movable block 7 is a flat cuboid iron block, two ends of the right side of the movable block are respectively provided with a clamping head 8, the clamping heads 8 are provided with connecting holes, the clamping heads 8 are arranged on the turnover shaft outside the turnover block 6 and are connected with the turnover shaft through the torsional springs at the two ends of the turnover shaft, the movable block 7 and the adjusting block 5 form a clamping opening, the turnover mechanism 4 can turn over back and forth along the turnover opening, and meanwhile, the turnover mechanism 4 is turned over and limited by a limiting column 19 arranged in the shell 1 when turning over to the right side;

the locking rod 12 is arranged in the shell 1 on the right side of the turnover mechanism 4, the upper end of the locking rod is movably connected to the upper right corner of the shell 1 through a fixing pin 13, a pressure spring I14 is fixed on the right side of the locking rod 12, and the right end of the pressure spring I14 abuts against the inner wall of a vertical plate on the right side of the shell 1;

the locking block 15 is a flat iron sheet and is composed of a positioning head 16 and a fixing handle 17, two sides of the positioning head 16 are abutted against the locking rod 12 and the inner wall of the shell 1, one side of the positioning head 16, which is contacted with the locking rod 12, is arc-shaped, the middle part of the fixing handle 17 is a thin rod, the tail part of the fixing handle 17 penetrates out of the shell 1 to be connected with a lock body push-pull rod, and a pressure spring II 18 is also arranged on the fixing handle 17 as a preferred structure, when the positioning head 16 extrudes the locking rod 12, the locking rod 12 is contacted with a fixing block 22 at the rear side, a limit pin II 23 is also fixed in the shell 1 at the side of the fixing block 22, the limit pin II 23 is used for fixing the front side of the pressure spring II 18, a limit block II 24 is also fixed in the shell 1, and the limit II 24;

the bolt 9 comprises a seat body 10 and a roller 11, wherein the seat body 10 is in a semi-frame shape, the closed end of the seat body is fixed on the door frame, and the open end of the seat body is used for the roller 11 to be inserted.

When the door leaf and the door frame are closed, the roller 11 of the lock tongue 9 is positioned in a clamping opening formed by the adjusting block 5 and the movable block 7 of the turnover mechanism 4, at the moment, the turnover block 6 is supported by the rear end of the locking rod 12, the locking rod 12 is supported by the positioning head 16 of the locking block 15, so that the turnover block 6 cannot be turned over, the roller 11 of the lock tongue 9 is fixed by the adjusting block 5 and the movable block 7, the door cannot be opened, when the lock needs to be opened, the push-pull rod for rotating the lock body through a key or a handle slides towards the rear side, the push-pull rod pulls the locking block 15 to slide backwards along the shell 1, the positioning head 16 of the locking block 15 is separated from the locking rod 12, the turnover block 6 of the turnover mechanism 4 turns over towards the side turning opening of the fixed plate 3 of the shell 1 under the action of a torsion spring, the movable block 7 can freely turn over away from one side of the shell 1, a clamping opening cavity formed, namely, the adjusting block 5 and the movable block 7 enclose a clamping opening cavity with an opening inclined to one side, the roller 11 of the lock tongue 9 is separated from the clamping opening cavity enclosed by the adjusting block 5 and the movable block 7, and the door can be opened; when the door is closed again, the roller 11 of the lock tongue 9 enters the cavity from the clamping opening on one side in the inclined direction and continuously abuts against the bottom of the movable block 7 and the bottom of the adjusting block 5, the turning block 6 fixed with the adjusting block 5 turns back, the rear end of the locking rod 12 leaves the side face of the shell 1 under the pushing of the pressure spring I14, the positioning head 16 of the locking block 15 is pushed by the pressure spring II 18 to be inserted between the locking rod 12 and the side face of the shell 1 again to fix the turning block 6, the roller 11 of the lock tongue 9 is fixed by the adjusting block 5 and the movable block 7, and the door is locked.

To sum up the new lock that this embodiment provided, the location head of its locking piece is flat iron sheet, and its frictional force with the locking lever is little, all very light when consequently opening the door with key or handle, and it is suitable with the door frame closure to adjust the door leaf, only needs to loosen the regulating block of tilting mechanism and the fixed bolt of upset piece, slide along the bar bolt hole of regulating block after screw up the bolt fastening again can, it is also very convenient to adjust.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A new lock, characterized in that it comprises:

2. The lock of claim 1 wherein the turning block is spaced from the inner bottom surface of the housing to allow the turning block to turn.

3. The lock as claimed in claim 2, wherein the bottom housing of the turning block at the side fixed to the adjusting block is further provided with a limiting post for controlling the turning distance of the turning mechanism to the locking rod.

4. The lock of claim 1 wherein the adjustment block and the tumbler are secured by screws.

5. The lock as claimed in claim 4, wherein the adjustment block is provided with a slot for movement of the bolt.

6. A lock as claimed in claim 4 or claim 5, wherein the bottom surface of the adjustment block and the top surface of the tumbler are provided with interengaging rack surfaces.

7. The lock as claimed in claim 1, wherein the side of the movable block which is not fixed when the movable block is horizontally contacted with the bottom of the turnover port is contacted with the fixed block close to the side of the locking block.

8. The novel lock according to claim 1, characterized in that a limiting pin II and a limiting block II are further arranged in the shell, the limiting pin II is used for fixing one side of the pressure spring II, the other side of the pressure spring II is fixed with the fixed handle, and the limiting block II is used for limiting the positioning head to control the outward pulling distance of the fixed handle.