CN212867163U

CN212867163U - Door lock body

Info

Publication number: CN212867163U
Application number: CN202020846135.0U
Authority: CN
Inventors: 林茂者
Original assignee: Wenzhou Tiejun Hardware Lock Co ltd
Current assignee: Wenzhou Tiejun Hardware Lock Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-04-02
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a door lock body, its technical scheme main points are including casing, spring bolt and lock core, are provided with the lockhole on the casing, and the spring bolt slides with the lockhole and is connected, and the lock core rotates to be connected on the casing, is provided with the drive plate on the lock core, and the one end of spring bolt is provided with the butt face, is provided with slider on the drive plate, and when the lock core rotated, slider slided on the butt face. The utility model discloses following beneficial effect has: when the lock core was driven, it is rotatory to drive the drive plate, and the sliding device on the drive plate tightly compels the spring bolt for tightly compel face and sliding device and keep the butt, sliding device separates drive plate and spring bolt, and sliding device laminating slides on tightly compeling the face, thereby avoids the drive plate to be worn and torn, ensures the normal use of lock.

Description

Door lock body

Technical Field

The utility model relates to a door lock body, more specifically say, it relates to a door lock body.

Background

Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door. When the door lock is started, the lock cylinder is driven to rotate through pushing and pulling or rotating the handle, and the driving plate on the lock cylinder pushes the lock tongue to move. In the process of repeated opening and closing, a driving plate on the lock cylinder is easily abraded, so that the use of the door lock is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a door lock body, the difficult quilt wearing and tearing of drive plate on this door lock core.

In order to achieve the above purpose, the utility model provides a following technical scheme: a door lock body comprises a shell, a lock tongue and a lock core, wherein a lock hole is formed in the shell, the lock tongue is in rolling connection with the lock hole, the lock core is rotatably connected to the shell, a drive plate is arranged on the lock core, one end of the lock tongue is provided with a butt surface, a rolling device is arranged on the drive plate, and when the lock core rotates, the rolling device pushes the lock tongue to slide and roll on the butt surface.

The utility model discloses further set up to: the rolling device is a rolling column, the rolling column is rotatably connected to the drive plate, the rolling column is provided with a rotating hole, a groove is further formed in the drive plate, a rotating shaft is arranged in the groove, and the rotating shaft penetrates through the rotating hole to enable the rolling column to be rotatably connected to the groove.

The utility model discloses further set up to: the drive plate is including first splint and second splint, and the lock core still is provided with the spread groove, and the second splint are fixed in the spread groove, and the second splint are provided with the through-hole, and the axis of rotation setting is on first splint, and the through-hole is inserted to the axis of rotation.

The utility model discloses further set up to: the drive plate also comprises a support plate which is vertically arranged on the first clamping plate, and the second clamping plate is abutted against the support plate.

The utility model discloses further set up to: one end of the first clamping plate far away from the lock cylinder is provided with a first arc-shaped surface, and one end of the second clamping plate far away from the lock cylinder is also provided with a second arc-shaped surface.

The utility model discloses further set up to: the rolling devices are bearings, and the number of the bearings is at least two.

The utility model discloses further set up to: the casing still is connected with the piece that resets, and the one end of the piece that resets is connected on the spring bolt, and the piece that resets drives the spring bolt and removes in to the casing.

The utility model discloses further set up to: the piece that resets is the spring, and the casing still is provided with spacing post, and the spring supports and leans on spacing post.

The utility model discloses further set up to: the lock core is also provided with a sleeve hole and a core sleeve, the core sleeve is inserted into the sleeve hole, the sleeve hole is provided with an arc-shaped groove, the core sleeve is provided with an arc-shaped sliding block, and the arc-shaped sliding block is arranged on the arc-shaped groove in a rolling manner.

The utility model discloses further set up to: be provided with two limiting plates on the casing, two limiting plates set up respectively on the both sides of spring bolt, and one of spring bolt is served and is connected with the butt board, and the butt face sets up on the butt board, and lock core and butt board all adopt plastics to make.

To sum up, the utility model discloses following beneficial effect has: when closing the lock, the lock core is driven, and it is rotatory to drive the drive plate, and the rolling device on the drive plate tightly compels the spring bolt for tightly compel face and rolling device keep the butt, and rolling device separates drive plate and spring bolt, and the rolling device laminating rolls on tightly compeling the face, thereby avoids the drive plate to be worn and torn, the normal use of guarantee lock. The rolling friction coefficient is small, the rolling device is not easy to wear, and the rolling device can be used for a long time.

Drawings

FIG. 1 is a schematic structural diagram of a door lock body;

FIG. 2 is a schematic view of a bearing connection structure of a door lock body;

fig. 3 is a schematic diagram of a lock core structure of a door lock body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, a door lock body includes a housing 1, a bolt 2 and a lock cylinder 3, the housing 1 is provided with a lock hole 11, the bolt 2 is in rolling connection with the lock hole 11, the lock cylinder 3 is rotatably connected to the housing 1, the lock cylinder 3 is provided with a drive plate 4, one end of the bolt 2 is provided with an abutting surface 22, the drive plate 4 is provided with a rolling device 5, and when the lock cylinder 3 rotates, the rolling device 5 pushes the bolt 2 to slide and roll on the abutting surface 22.

Through above-mentioned scheme, when closing the lock, lock core 3 is driven, and it is rotatory to drive plate 4, and 5 tight bolts 2 of the last rolling device of drive plate 4 for tight face 22 and rolling device 5 keep the butt, and rolling device 5 separates drive plate 4 and bolts 2, and rolling device 5 laminating rolls on tight face 22, thereby avoids drive plate 4 by wearing and tearing, the normal use of guarantee lock. The rolling friction coefficient is small, the rolling device 5 is not easy to wear, and the rolling device can be used for a long time.

In a modified embodiment, the rolling device 5 is a rolling post 51, the rolling post 51 is rotatably connected to the driving plate 4, the rolling post 51 is provided with a rotating hole 511, the driving plate 4 is further provided with a groove 41, the groove 41 is provided with a rotating shaft 42, and the rotating shaft 42 passes through the rotating hole 511, so that the rolling post 51 is rotatably connected to the groove 41.

Through the scheme, the groove 41 is convenient for accommodating the rolling column 51 and limits the rolling column 51, so that the rolling column 51 is not easy to deviate. The rotating shaft 42 passes through the rotating hole 511, so that the rolling column 51 is not easy to fall off, and is firmly connected and not easy to loosen.

As a modified embodiment, the driving plate 4 includes a first clamping plate 43 and a second clamping plate 44, the key cylinder 3 is further provided with a connecting groove 31, the second clamping plate 44 is fixed in the connecting groove 31, the second clamping plate 44 is provided with a through hole 441, the rotating shaft 42 is arranged on the first clamping plate 43, and the rotating shaft 42 is inserted into the through hole 441.

Through the scheme, the connecting groove 31 limits the second clamping plate 44, so that the second clamping plate 44 is not easy to rotate or shift. The rotation shaft 42 is inserted into the through hole 441 so that the connection is firm and the rolling post 51 can be more stably supported. Simple structure, convenient equipment and maintenance change.

As a modified embodiment, the driving plate 4 further includes a supporting plate 45, the supporting plate 45 is vertically disposed on the first clamping plate 43, and the second clamping plate 44 abuts against the supporting plate 45.

Through the scheme, the supporting plate 45 is matched with the connecting groove 31 to limit the position of the second clamping plate 44, so that the second clamping plate 44 is not easy to rotate or shift. When the rolling column 51 is pressed against the abutting surface 22, the supporting plate 45 supports the first clamping plate 43 and the second clamping plate 44, so that the supporting stress limit is improved, and the possibility of damage is reduced.

As a modified embodiment, a first arc 431 is provided on an end of first clamping plate 43 away from lock cylinder 3, a second arc 442 is also provided on an end of second clamping plate 44 away from lock cylinder 3, and first arc 431, second arc 442 and rotation shaft 42 are concentrically arranged.

Through above-mentioned scheme, when rolling device 5 and spring bolt 2 butt, the arc of concentric setting is favorable to avoiding contacting with spring bolt 2, avoids damaging.

As a modified specific embodiment, the rolling devices are bearings, and the number of the bearings is at least two.

Through above-mentioned scheme, the surface of bearing is glossy metal covering, antifriction, rotates in the same direction as smooth, and difficult wearing and tearing can use for a long time, the stable use of guarantee lock. The width of the at least two bearings is increased, the contact surface is enlarged, and the pressure is commonly born by the bearings to avoid being pressed and damaged.

As a modified specific implementation mode, the housing 1 is further connected with a resetting piece 13, one end of the resetting piece 13 is connected to the bolt 2, and the resetting piece 13 drives the bolt 2 to move into the housing 1.

Through above-mentioned scheme, piece 13 that resets drives spring bolt 2 and moves back to casing 1 is inside, keeps the distance between spring bolt 2 and the drive plate 4 for tight face 22 and rolling device 5 keep the butt, reduce the collision, avoid damaging.

As a modified specific embodiment, the reset piece 13 is a spring, and the housing 1 is further provided with a limit post 12, and the spring abuts against the limit post 12.

Through the scheme, the limiting column 12 plays a supporting role, and the limiting spring ensures that the spring can reset, so that the lock tongue 2 is driven to move.

As a modified specific embodiment, the lock cylinder 3 is further provided with a sleeve hole 32 and a cylinder sleeve 33, the cylinder sleeve 33 is inserted into the sleeve hole 32, the sleeve hole 32 is provided with an arc-shaped groove 321, the cylinder sleeve 33 is provided with an arc-shaped slide block 331, and the arc-shaped slide block 331 is arranged on the arc-shaped groove 321 in a rolling manner.

Through above-mentioned scheme, arc slider 331 rolls on arc slot 321 for core cover 33 just can make lock core 3 rotate after rotating certain angle, can play certain cushioning effect, avoids opening and close at the excessive speed, and the impact force is too strong, leads to wearing and tearing aggravation.

As a modified specific embodiment, the housing 1 is provided with two limiting plates 14, the two limiting plates 14 are respectively disposed on two sides of the bolt 2, one end of the bolt 2 is connected with a butt plate 21, a butt surface 22 is disposed on the butt plate 21, and the lock cylinder 3 and the butt plate 21 are both made of plastic.

Through the scheme, the lock tongue 2 is limited by the limiting plates 14, so that the lock tongue 2 is not easy to rotate and shift and can only linearly translate. Plastics are light, can reduce inertial impact, make lock core 3 and butt board 21 separate moreover, and difficult wearing and tearing, plastics low price is favorable to reduce cost, easily machine-shaping, the production of being convenient for.

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

1. The utility model provides a door lock body, including casing (1), spring bolt (2) and lock core (3), be provided with lockhole (11) on casing (1), spring bolt (2) and lockhole (11) roll connection, lock core (3) are rotated and are connected on casing (1), be provided with drive plate (4), characterized by on lock core (3): one end of the bolt (2) is provided with a butt surface (22), the driving plate (4) is provided with a rolling device (5), and when the lock core (3) rotates to close the lock, the rolling device (5) pushes the bolt (2) to slide and roll on the butt surface (22).

2. The door lock body of claim 1, wherein: the rolling device (5) is a rolling column (51), the rolling column (51) is rotatably connected to the drive plate (4), the rolling column (51) is provided with a rotating hole (511), the drive plate (4) is further provided with a groove (41), the groove (41) is provided with a rotating shaft (42), and the rotating shaft (42) penetrates through the rotating hole (511) to enable the rolling column (51) to be rotatably connected to the groove (41).

3. The door lock body of claim 2, wherein: the driving plate (4) comprises a first clamping plate (43) and a second clamping plate (44), the lock cylinder (3) is further provided with a connecting groove (31), the second clamping plate (44) is fixed in the connecting groove (31), the second clamping plate (44) is provided with a through hole (441), the rotating shaft (42) is arranged on the first clamping plate (43), and the rotating shaft (42) is inserted into the through hole (441).

4. The door lock body of claim 3, wherein: the driving plate (4) further comprises a supporting plate (45), the supporting plate (45) is vertically arranged on the first clamping plate (43), and the second clamping plate (44) abuts against the supporting plate (45).

5. The door lock body of claim 4, wherein: one end, far away from lock core (3), of first splint (43) is provided with first arcwall face (431), one end, far away from lock core (3), of second splint (44) also is provided with second arcwall face (442).

6. The door lock body of claim 1, wherein: the rolling devices (5) are bearings, and the number of the bearings is at least two.

7. The door lock body of claim 1, wherein: the casing (1) still is connected with piece (13) that resets, the one end of piece (13) that resets is connected on spring bolt (2), piece (13) that resets drives spring bolt (2) and removes in to casing (1).

8. The door lock body of claim 7, wherein: the reset piece (13) is a spring, the shell (1) is further provided with a limiting column (12), and the spring abuts against the limiting column (12).

9. The door lock body according to any one of claims 1 to 8, wherein: the lock core (3) is further provided with a sleeve hole (32) and a core sleeve (33), the core sleeve (33) is inserted into the sleeve hole (32), an arc-shaped groove (321) is formed in the sleeve hole (32), an arc-shaped sliding block (331) is arranged on the core sleeve (33), and the arc-shaped sliding block (331) is arranged on the arc-shaped groove (321) in a rolling mode.

10. The door lock body according to any one of claims 1 to 8, wherein: be provided with two limiting plate (14) on casing (1), two limiting plate (14) set up respectively on the both sides of spring bolt (2), one of spring bolt (2) is served and is connected with butt plate (21), butt face (22) set up on butt plate (21), lock core (3) and butt plate (21) all adopt plastics to make.