CN208137688U - A kind of Anti-theft door handle - Google Patents

Abstract

The utility model provides a kind of Anti-theft door handle, belong to door lock technical field, Anti-theft door handle, including door lock inner cover, lock core and door lock outer cover, wherein door lock inner cover is located on the left of lock core, and lock core is located among door lock inner cover and door lock outer cover, and door lock outer cover is located on the right side of lock core, door lock inner cover, lock core and door lock outer cover are screwed in outside door lock by door lock inner cover and lock core and are covered by screw connection, screw.This example has very strong practicability, simple mechanical realization greatly reduces required cost in door handle production process, door handle has newly added the aperture that can add lubricant simultaneously, we are in use, lubricant can be very easily added, can be very good to solve the lubrication problem between key and keyhole.

Description

A kind of Anti-theft door handle

Technical field

The utility model relates to a kind of door handle, specifically a kind of Anti-theft door handle.

Background technique

Door handle is the object of the indispensability in people's life since ancient times, it may be said that the market prospects of door handle are boundless, In the different stages, the form that door handle embodies also phase not to the utmost, magnificent appearance and exaggeration are often pursued by many producers at this stage Internal structure, considerably increase the cost in production process, cause a large amount of wasting of resources, while our many people are using Key is often encountered in the process to be difficult to be inserted into keyhole, is lacked lubricant and is considerably increased frictional force, to key and key The damage of keyhole is very big, substantially reduces the service life of door handle, but does not all have when our many producer's production door handles There is design that can add the configuration of lubricant.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of simple structures Anti-theft door handle.

In order to solve the above technical problems, the utility model provides following technical solution：

A kind of Anti-theft door handle, including door lock inner cover, lock core and door lock outer cover；The door lock inner cover is located on the left of lock core； The lock core is located among door lock inner cover and door lock outer cover；The door lock outer cover is located on the right side of lock core, and the door lock inner cover includes First turntable, the first torque spring, the first bull stick, the first in command, safety fastener and the second bull stick；The first turntable door lock setting On the right side of inner cover；First torque spring lower end is connect with the first turntable, is connect inside upper end and door lock inner cover, can be by the The effect rebound of one torque spring；First bull stick is connect with the first turntable upper aperture, passes through lock core upper aperture and the second turntable Upper aperture connection, the first bull stick is detachable, is designed as square column；It is flexibly connected on the left of the first in command and door lock inner cover, It is fixedly connected across door lock inner cover with the first turntable, the first turntable can be driven to rotate；The safety fastener is located on the left of door lock inner cover, Positioned at first in command lower end, door lock inner cover and flexible connection are passed through；Second bull stick is connect with the square hole on safety fastener, is passed through Lock core is connect with lockhole upper aperture on door lock outer cover, and the first bull stick is detachable, is designed as square column, and the first bull stick can be with guarantor Danger button and lockhole are rotated and are rotated；The door lock outer cover includes second handle, the second turntable, the second torque spring, aperture and lock Hole；The first turntable for being covered in the second handle, the second turntable and the second torque spring and door lock, the first torque spring and the Leader's positional relationship is symmetrical；The aperture is located on the right side of door lock outer cover, is located above lockhole, and aperture leads to the key on lockhole Hole；The safety fastener positional relationship covered in the lockhole and door lock is symmetrical, and lockhole is flexibly connected with door lock outer cover, sets on the left of lockhole In respect of square hole；The lock core includes first rotating shaft, the first rack gear, spring, the first lock tongue, the second rack gear, the second shaft and second Lock tongue；The first rotating shaft is located inside lock core；First rack gear is located inside lock core；On the right side of the spring and the first rack gear Connection, the first rack gear can drive spring mobile when mobile；It is connect on the right side of first lock tongue and spring, spring can drive the first lock Tongue is mobile, when the first lock tongue is under pressure, can make spring contraction, second rack gear is located inside lock core, nibbles with the second shaft It closes；Second shaft is located inside lock core, connects the second bull stick, when the second bar rotation, drives the rotation of the second shaft, and second Shaft drives the second rack gear mobile when rotating；Second lock tongue is connected on the right side of the second rack gear, and the second rack gear can band when mobile Dynamic second lock tongue is mobile；The lockhole includes keyhole；The keyhole is located on lockhole.

As the further improvement project of the utility model：The first rotating shaft is designed as cylinder, and outside is with teeth, internal Design has square hole.

As the further improvement project of the utility model：First rack gear be designed as it is U-shaped, it is with teeth in mouth.

As the utility model further improvement project：Covering design outside the door lock has aperture, and aperture leads to key Keyhole can add lubricant.

Compared with prior art, the utility model has the beneficial effects that：

The utility model has very strong practicability, and simple mechanical realization greatly reduces institute in door handle production process The cost needed, while this door handle also has very strong anti-theft function, door handle has newly added the aperture that can add lubricant, We can very easily add lubricant in use, can be very good to solve the lubrication between key and keyhole Problem.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of Anti-theft door handle；

Fig. 2 is a kind of inner cover structure schematic diagram of Anti-theft door handle；

Fig. 3 is a kind of outer cover structure schematic diagram of Anti-theft door handle；

Fig. 4 is a kind of lock core schematic diagram of internal structure of Anti-theft door handle；

Fig. 5 is a kind of Anti-theft door handle lockhole schematic diagram；

Fig. 6 is a kind of Anti-theft door handle front view schematic diagram；

Fig. 7 is a kind of Anti-theft door handle top view illustration；

In figure：1- door lock inner cover, 2- lock core, 3- door lock outer cover, the first turntable of 4-, the first torque spring of 5-, first turn of 6- Bar, the 7- first in command, 8- safety fastener, the second bull stick of 9-, 10- second handle, the second turntable of 11-, the second torque spring of 12-, 13- aperture, 14- lockhole, 15- first rotating shaft, the first rack gear of 16-, 17- spring, the first lock tongue of 18-, the second rack gear of 19-, 20- Second shaft, the second lock tongue of 21-, 22- keyhole.

Specific embodiment

The technical solution of the patent is explained in further detail With reference to embodiment.

The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.

In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.

In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.

Referring to Fig. 1, present embodiments providing a kind of Anti-theft door handle, including door lock inner cover 1, lock core 2 and door lock outer cover 3；The door lock inner cover 1 is located at 2 left side of lock core；The lock core 2 is located among door lock inner cover 1 and door lock outer cover 3；Outside the door lock Lid 3 is located at 2 right side of lock core；The door lock inner cover 1, lock core 2 and door lock outer cover 3 pass through door lock inner cover 1 by screw connection, screw It is screwed on door lock outer cover 3 with lock core 2.

Please refer to Fig. 2 and Fig. 3, the door lock inner cover 1 includes the first turntable 4, the first torque spring 5, the first bull stick 6, the Leader 7, safety fastener 8 and the second bull stick 9；The setting of first turntable 4 is on 1 right side of door lock inner cover；First torque spring 5 Lower end is contacted with the first turntable 4, is connected inside upper end and door lock inner cover 1, and the first turntable 4, can after following the first in command 7 to rotate It is acted on and being sprung back by the first torque spring 5；First bull stick 6 is connect with 4 upper aperture of the first turntable, passes through 2 upper aperture of lock core It is connected with 11 upper aperture of the second turntable, the first bull stick 6 is detachable, is designed as square column, the first bull stick 6 can be with the first turntable 4 and second turntable 11 rotation and rotate；Be flexibly connected on the left of the first in command 7 and door lock inner cover 1, pass through door lock inner cover 1 with First turntable 4 is fixedly connected, and when rotating the first door handle 7, the first turntable 4 can be driven to rotate；The safety fastener 8 is located in door lock 1 left side of lid, is located at 7 lower part of the first in command, passes through door lock inner cover 1 and is flexibly connected；On second bull stick 9 and safety fastener 8 Square hole connection passes through lock core 2 and connect with 14 upper aperture of lockhole on door lock outer cover 3, and the first bull stick 9 is detachable, is designed as square column Shape, the first bull stick 9 can be rotated with safety fastener 8 and lockhole 14 and be rotated；The door lock outer cover 3 includes second handle 10, second Turntable 11, the second torque spring 12, aperture 13 and lockhole 14；The second handle 10, the second turntable 11 and the second torque spring 12 on door lock inner cover 1 the first turntable 4, the first torque spring 5 and 7 positional relationship of the first in command it is symmetrical；The aperture 13 In the right side of door lock outer cover 3, it is located at 14 top of lockhole, aperture 13 leads to the keyhole 22 on lockhole 14, can be by aperture 13 to key Lubricant is added on keyhole 22；The lockhole 14 and 8 positional relationship of safety fastener on door lock inner cover 1 are symmetrical, lockhole 14 and door lock Outer cover 3 is flexibly connected, and design has square hole on the left of lockhole 14.

Referring to Fig. 4, the lock core 2 includes first rotating shaft 15, the first rack gear 16, spring 17, the first lock tongue 18, the second tooth Item 19, the second shaft 20 and the second lock tongue 21；The first rotating shaft 15 is located inside lock core 2, and first rotating shaft 15 is designed as cylinder Shape, outside is with teeth, and interior design has square hole, can connect the first bull stick 6, when the first bull stick 6 rotates, first rotating shaft 5 is driven to rotate； First rack gear 16 is located inside lock core, the first rack gear 16 be designed as it is U-shaped, it is with teeth in mouth to be engaged with first rotating shaft 15, first Shaft 15 drives the first rack gear 6 mobile when rotating；It is connected on the right side of the spring 17 and the first rack gear 16, spring 17 receives pressure Shrinkable, the first rack gear 6 can drive spring 17 mobile when mobile；It is connected on the right side of first lock tongue 18 and spring 17, spring 17 The first lock tongue 18 can be driven mobile, when the first lock tongue 18 is under pressure, spring 17 can be made to shrink.Second rack gear 19 is located at lock Inside core 2, the second rack gear 19 be designed as it is U-shaped, it is with teeth in mouth to be engaged with the second shaft 20；Second shaft 20 is located at lock core 2 Inside, the second shaft 20 are designed as cylinder, and outside is with teeth, and interior design has square hole, can connect the second bull stick 9, the second bull stick 9 When rotation, the rotation of the second shaft 20 is driven, the second shaft 20 drives the second rack gear 19 mobile when rotating；Second lock tongue 21 connects It connects on 19 right side of the second rack gear, the second rack gear 19 can drive the second lock tongue 21 mobile when mobile.

Referring to Fig. 5, the lockhole 14 includes keyhole 22；The keyhole 22 is located on lockhole 14, can pass through key Lockhole 14 is rotated, to reach unlock purpose.

Fig. 6 and Fig. 7 are please referred to, the locking closure 1 is in rectangular parallelepiped structure, cubic corner's rounding arc angle；The handle 7 designs At bending, surrounding falls small round corner.

When needing to lock a door using door handle, door to the first lock tongue 18 is pushed to block if people in door, first holds the first in command 7 After in frame hole, rotates clockwise 8 to the second lock tongue 21 of safety fastener and be stuck in frame hole, if people is shutting outdoors Behind the door, keyhole 22 is inserted a key into, key to the second lock tongue is rotated counterclockwise and is stuck in frame hole, then extract key. When needing to open the door.If people in door, can first rotate safety fastener 8 counterclockwise, press the first door handle 7 downwards, if people outdoors, Key is first rotated counterclockwise, presses the second door handle 10 still further below, then extracts key.

The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (2)

1. a kind of Anti-theft door handle, including door lock inner cover, lock core and door lock outer cover；It is characterized in that：The door lock inner cover is located at lock On the left of core；The lock core is located among door lock inner cover and door lock outer cover；The door lock outer cover is located on the right side of lock core；In the door lock Lid includes the first turntable, the first torque spring, the first bull stick, the first in command, safety fastener and the second bull stick；First turntable is set It sets on the right side of door lock inner cover；First torque spring lower end is connect with the first turntable, is connect inside upper end and door lock inner cover；Institute It states the first bull stick to connect with the first turntable upper aperture, passes through lock core upper aperture and connected with the second turntable upper aperture；The first It is flexibly connected on the left of hand and door lock inner cover, is fixedly connected across door lock inner cover with the first turntable；The safety fastener is located in door lock Lid left side, is located at first in command lower end, passes through door lock inner cover and flexible connection；Square hole on second bull stick and safety fastener connects It connects, passes through lock core and connect with lockhole upper aperture on door lock outer cover；The door lock outer cover includes second handle, the second turntable, second Torque spring, aperture and lockhole；First turn covered in the second handle, the second turntable and the second torque spring and door lock Disk, the first torque spring and first in command's positional relationship are symmetrical；The aperture is located on the right side of door lock outer cover, is located above lockhole, Aperture leads to the keyhole on lockhole；The safety fastener positional relationship covered in the lockhole and door lock is symmetrical, outside lockhole and door lock Lid is flexibly connected；The lock core includes first rotating shaft, the first rack gear, spring, the first lock tongue, the second rack gear, the second shaft and Two lock tongues；The first rotating shaft is located inside lock core；First rack gear is located inside lock core；The spring and the first rack gear are right Side connection；It is connect on the right side of first lock tongue and spring, second rack gear is located inside lock core, engages with the second shaft；Institute It states the second shaft to be located inside lock core, connects the second bull stick；Second lock tongue is connected on the right side of the second rack gear；The lockhole packet Include keyhole；The keyhole is located on lockhole.

2. a kind of Anti-theft door handle according to claim 1, it is characterized in that：First rack gear be designed as it is U-shaped, it is with teeth in mouth.