CN210422170U

CN210422170U - Novel door lock

Info

Publication number: CN210422170U
Application number: CN201920939048.7U
Authority: CN
Inventors: 彭连钢
Original assignee: Chongqing Haode Hardware Co ltd
Current assignee: Chongqing Haode Hardware Group Co.,Ltd.
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-28
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a novel door lock, including casing, inner chamber, lower spring bolt, go up spring bolt and square through hole, the inside of casing is equipped with the inner chamber, and the inside one end of inner chamber is equipped with the driver blade to the bottom of driver blade is equipped with reset structure, be equipped with first rack on the outer wall of driver blade one side, and articulated on the inner chamber inner wall that driver blade one side was kept away from to first rack have an action wheel, action wheel and first rack intermeshing to the inside central point of action wheel puts the department and is equipped with square through hole, and square through hole's one end extends to the outside of casing, the drive blade is kept away from and is equipped with down the spring bolt on the outer wall of first rack one side, and the bottom of spring bolt extends to the outside of casing down, and the inner chamber inside of spring. The utility model discloses not only ensure the security when the lock uses, prolonged the life of lock, the phenomenon of block appears when having avoided the lock to use moreover.

Description

Novel door lock

Technical Field

The utility model relates to a tool to lock technical field specifically is a novel lock.

Background

The main function of the door lock is to lock the door so as to prevent others from opening the door, the door locks are of various types, different types of door locks are required to be used according to different occasions, and corresponding door locks are required to be used in order to improve the safety performance of various occasions.

The door locks on the market are various in types and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The traditional door lock is inconvenient to reset, difficult to automatically close and difficult to ensure safety;

(2) the traditional door lock is difficult to limit the upper lock tongue and the lower lock tongue, and the upper lock tongue and the lower lock tongue are easy to collide, so that the damage phenomenon is caused;

(3) traditional this type of lock is not convenient for lubricate second rack and third rack, and the phenomenon of wearing and tearing easily appears, leads to the phenomenon of block to appear in the lock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel door lock to it is not convenient for reset, is difficult to carry on spacingly and is not convenient for carry out lubricated problem to second rack and third rack to last spring bolt and lower spring bolt to provide the lock among the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: a novel door lock comprises a shell, an inner cavity, a lower lock tongue, an upper lock tongue and a square through hole, wherein the inner cavity is arranged in the shell, a transmission piece is arranged at one end in the inner cavity, a reset structure is arranged at the bottom end of the transmission piece, a first rack is arranged on the outer wall of one side of the transmission piece, a driving wheel is hinged on the inner wall of the inner cavity of one side, away from the transmission piece, of the first rack, the driving wheel is meshed with the first rack, the square through hole is arranged at the central position in the driving wheel, one end of the square through hole extends to the outer part of the shell, the lower lock tongue is arranged on the outer wall, away from the first rack, of the transmission piece, the bottom end of the lower lock tongue extends to the outer part of the shell, the upper lock tongue is arranged in the inner cavity above the lower lock tongue, the top end of the upper lock tongue extends to the outer part of the shell, a third rack, the driven wheel is meshed with the third rack, a second rack is arranged on the outer wall of the transmission piece on one side, away from the third rack, of the driven wheel, and the second rack is meshed with the driven wheel.

Preferably, the lower lock tongue and the two ends of the shell on one side of the upper lock tongue are both provided with limiting blocks, and one end, far away from the shell, of each limiting block is fixedly provided with a rubber gasket.

Preferably, a liquid storage chamber is arranged at the top of the inner cavity above the driven wheel, a liquid injection hole is formed in the center of the top of the liquid storage chamber, the top end of the liquid injection hole extends to the outside of the shell, two groups of soft overflow pipes are arranged at the bottom of the liquid storage chamber, and the bottom ends of the soft overflow pipes are respectively in contact with the outer walls of the third rack and the second rack.

Preferably, the reset structure is equipped with piston rod, a location section of thick bamboo, the slab and reset spring that reset from last to down in proper order, the inner chamber bottom of driving plate below is equipped with a location section of thick bamboo, and the inside one end of a location section of thick bamboo is equipped with the slab that resets.

Preferably, the central position department on reset plate top is equipped with the piston rod, the top of piston rod extend to the inside of inner chamber and with the bottom fixed connection of driving plate, and the central position department of reset plate bottom is equipped with reset spring, reset spring's bottom and the bottom fixed connection of a location section of thick bamboo.

Preferably, the lower lock tongue and the outer wall of the upper lock tongue, which are far away from one side of the shell, of the limiting block are respectively provided with an L-shaped positioning plate, and the outer walls, which are far away from one side of the lower lock tongue and one side of the upper lock tongue, of the L-shaped positioning plates are respectively provided with a lock catch.

Compared with the prior art, the beneficial effects of the utility model are that: the novel door lock not only ensures the safety of the door lock when in use, prolongs the service life of the door lock, but also avoids the phenomenon of clamping when the door lock is in use;

(1) the reset plate is positioned by the positioning cylinder through the piston connecting rod, the positioning cylinder, the reset plate and the reset spring, and the piston connecting rod drives the transmission piece to descend under the elastic action of the reset spring so as to automatically reset the lower lock tongue and the upper lock tongue to the original position and enable the door lock to be in a closed state, thereby ensuring the safety of the door lock during use;

(2) through the arrangement of the limiting block, the rubber gasket and the L-shaped positioning plate, when the lower lock tongue and the upper lock tongue move towards the inner cavity, the limiting block can touch the L-shaped positioning plate, and meanwhile, the rubber gasket further improves the friction force between the L-shaped positioning plate and the limiting block, so that the lower lock tongue and the upper lock tongue can be limited, the collision phenomenon between the lower lock tongue and the upper lock tongue is avoided, and the service life of the door lock is prolonged;

(3) through being provided with liquid injection hole, hold liquid chamber and soft overflow pipe, pour into lubricated liquid into the inside that holds the liquid chamber through annotating the liquid hole, the rethread soft overflow pipe slowly permeates the outer wall to third rack and second rack with the inside lubricated liquid that holds the liquid chamber to lubricate third rack and second rack, thereby the phenomenon of block appears when having avoided the lock to use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 4 is a schematic view of the sectional and enlarged structure of the reduction structure of the present invention.

In the figure: 1. a housing; 2. an inner cavity; 3. a lower lock tongue; 4. a driving strap; 5. a driven wheel; 6. a third rack; 7. an upper lock tongue; 8. a second rack; 9. a first rack; 10. a driving wheel; 11. a square through hole; 12. a reset structure; 1201. a piston connecting rod; 1202. a positioning cylinder; 1203. resetting the plate; 1204. a return spring; 13. a limiting block; 14. a rubber gasket; 15. an L-shaped positioning plate; 16. locking; 17. a liquid injection hole; 18. a reservoir chamber; 19. a soft overflow tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a novel door lock comprises a shell 1, an inner cavity 2, a lower lock tongue 3, an upper lock tongue 7 and a square through hole 11, wherein the inner cavity 2 is arranged inside the shell 1, a transmission piece 4 is arranged at one end inside the inner cavity 2, a reset structure 12 is arranged at the bottom end of the transmission piece 4, the reset structure 12 is sequentially provided with a piston connecting rod 1201, a positioning cylinder 1202, a reset plate 1203 and a reset spring 1204 from top to bottom, the bottom of the inner cavity 2 below the transmission piece 4 is provided with the positioning cylinder 1202, one end inside the positioning cylinder 1202 is provided with the reset plate 1203, the center of the top end of the reset plate 1203 is provided with the piston connecting rod 1201, the top end of the piston connecting rod 1201 extends into the inner cavity 2 and is fixedly connected with the bottom end of the transmission piece 4, the center of the bottom end of the reset plate 1203 is provided with the reset spring 1204, and the bottom end;

the reset plate 1203 is positioned through the positioning cylinder 1202, and due to the elastic action of the reset spring 1204, the piston connecting rod 1201 drives the transmission piece 4 to descend, so that the lower bolt 3 and the upper bolt 7 are automatically reset to the original positions, the door lock is in a closed state, and the safety of the door lock during use is ensured;

a first rack 9 is arranged on the outer wall of one side of the transmission piece 4, a driving wheel 10 is hinged on the inner wall of the inner cavity 2 of one side of the first rack 9 far away from the transmission piece 4, the driving wheel 10 is meshed with the first rack 9, a square through hole 11 is arranged at the central position inside the driving wheel 10, one end of the square through hole 11 extends to the outside of the shell 1, a lower lock tongue 3 is arranged on the outer wall of the transmission piece 4 at one side far away from the first rack 9, two ends of the shell 1 at one side of the lower lock tongue 3 and the upper lock tongue 7 are both provided with a limiting block 13, and one end of the limiting block 13 far away from the shell 1 is fixed with a rubber gasket 14, the lower bolt 3 and the outer wall of the upper bolt 7 at one side of the limiting block 13 far away from the shell 1 are both provided with an L-shaped positioning plate 15, the outer walls of the L-shaped positioning plate 15, which are far away from the lower bolt 3 and the upper bolt 7, are provided with the lock catches 16, so that the phenomenon of collision between the lower bolt 3 and the upper bolt 7 is avoided;

the bottom end of the lower lock tongue 3 extends to the outside of the shell 1, an upper lock tongue 7 is arranged inside an inner cavity 2 above the lower lock tongue 3, the top end of the upper lock tongue 7 extends to the outside of the shell 1, a third rack 6 is arranged on the outer wall of one side, close to the transmission piece 4, of the upper lock tongue 7, a driven wheel 5 is hinged to the inner wall of the inner cavity 2, far away from the upper lock tongue 7, of the third rack 6, a liquid storage chamber 18 is arranged at the top of the inner cavity 2 above the driven wheel 5, a liquid injection hole 17 is formed in the center of the top of the liquid storage chamber 18, the top end of the liquid injection hole 17 extends to the outside of the shell 1, two groups of soft overflow pipes 19 are arranged at the bottom of the liquid storage chamber 18, and the bottom ends of the soft overflow pipes 19 are respectively contacted with the outer walls of the;

follow driving wheel 5 and third rack 6 intermeshing, and be equipped with second rack 8 from driving wheel 5 on keeping away from the transmission piece 4 outer wall of third rack 6 one side, second rack 8 with follow driving wheel 5 intermeshing.

The working principle is as follows: when the door lock is used, firstly, an external element is inserted into the square through hole 11, then the element is rotated to drive the driving wheel 10 to rotate, because the driving wheel 10 is meshed with the first rack 9, the driving sheet 4 can be lifted in the inner cavity 2, the lower lock tongue 3 can be lifted synchronously, through the mutual meshing of the second rack 8 and the driven wheel 5 as well as the third rack 6 and the driven wheel 5, the upper lock tongue 7 can be lowered in the inner cavity 2, so that the door lock is in an open state, then, the positioning cylinder 1202 is used for positioning the reset plate 1203, due to the elastic action of the reset spring 1204, the piston connecting rod 1201 drives the driving sheet 4 to be lowered, so that the lower lock tongue 3 and the upper lock tongue 7 can be automatically reset to the original position, so that the door lock is in a closed state, the safety of the door lock in use is ensured, and then, the lower lock tongue 3 and the upper lock tongue 7 move towards the inner cavity 2, stopper 13 then can touch mutually with L type locating plate 15, rubber gasket 14 has further improved the frictional force between L type locating plate 15 and the stopper 13 simultaneously, so that carry on spacingly to lower spring bolt 3 and last spring bolt 7, avoid appearing colliding between spring bolt 3 and the last spring bolt 7 down, the life of extension lock, at last through annotating liquid hole 17 with lubricated liquid injection to the inside of holding liquid room 18, rethread soft overflow pipe 19 will hold the inside lubricated liquid of liquid room 18 and slowly permeate to the outer wall of third rack 6 and second rack 8 on, so that lubricate third rack 6 and second rack 8, avoid the phenomenon of block to appear in the lock, thereby accomplish the use of lock.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel door lock, includes casing (1), inner chamber (2), lower spring bolt (3), goes up spring bolt (7) and square through hole (11), its characterized in that: an inner cavity (2) is arranged inside the shell (1), a transmission piece (4) is arranged at one end inside the inner cavity (2), a reset structure (12) is arranged at the bottom end of the transmission piece (4), a first rack (9) is arranged on the outer wall of one side of the transmission piece (4), a driving wheel (10) is hinged to the inner wall of the inner cavity (2) of one side, far away from the transmission piece (4), of the first rack (9), the driving wheel (10) is meshed with the first rack (9), a square through hole (11) is arranged at the central position inside the driving wheel (10), one end of the square through hole (11) extends to the outside of the shell (1), a lower bolt (3) is arranged on the outer wall of one side, far away from the first rack (9), of the transmission piece (4), the bottom end of the lower bolt (3) extends to the outside of the shell (1), and an upper bolt (7) is arranged inside the inner cavity (2) above, go up the top of spring bolt (7) and extend to the outside of casing (1) to go up spring bolt (7) and be equipped with third rack (6) on being close to the outer wall of driving plate (4) one side, it has from driving wheel (5) to articulate on inner chamber (2) inner wall of spring bolt (7) one side is kept away from in third rack (6), from driving wheel (5) and third rack (6) intermeshing, and keep away from driving wheel (5) and be equipped with second rack (8) on driving plate (4) outer wall of third rack (6) one side, second rack (8) and follow driving wheel (5) intermeshing.

2. The new door lock according to claim 1, characterized in that: both ends of the shell (1) on one side of the lower bolt (3) and the upper bolt (7) are provided with limit blocks (13), and one end, far away from the shell (1), of each limit block (13) is fixed with a rubber gasket (14).

3. The new door lock according to claim 1, characterized in that: the top of the inner cavity (2) above the driven wheel (5) is provided with a liquid storage chamber (18), the central position of the top of the liquid storage chamber (18) is provided with a liquid injection hole (17), the top end of the liquid injection hole (17) extends to the outside of the shell (1), the bottom of the liquid storage chamber (18) is provided with two sets of soft overflow pipes (19), and the bottom ends of the soft overflow pipes (19) are respectively touched with the outer walls of the third rack (6) and the second rack (8).

4. The new door lock according to claim 1, characterized in that: the reset structure (12) is provided with a piston connecting rod (1201), a positioning cylinder (1202), a reset plate (1203) and a reset spring (1204) from top to bottom in sequence, the bottom of the inner cavity (2) below the transmission plate (4) is provided with the positioning cylinder (1202), and one end inside the positioning cylinder (1202) is provided with the reset plate (1203).

5. The new door lock according to claim 4, characterized in that: the center position department at the top of reset plate (1203) is equipped with piston connecting rod (1201), the top of piston connecting rod (1201) extends to the inside of inner chamber (2) and with the bottom fixed connection of drive plate (4), and the center position department of reset plate (1203) bottom is equipped with reset spring (1204), the bottom of reset spring (1204) and the bottom fixed connection of a location section of thick bamboo (1202).

6. The new door lock according to claim 2, characterized in that: the lower bolt (3) and the upper bolt (7) outer wall of one side of the shell (1) are kept away from the limiting block (13), the L-shaped positioning plates (15) are arranged on the outer walls of the lower bolt (3) and the upper bolt (7) respectively, and the L-shaped positioning plates (15) are provided with lock catches (16) on the outer walls of one side of the lower bolt (3) and the upper bolt (7) respectively.