CN211081309U

CN211081309U - Cipher inner door lock

Info

Publication number: CN211081309U
Application number: CN201921370463.1U
Authority: CN
Inventors: 章林峰; 王振
Original assignee: Suzhou Kunshan Intelligent Technology Co ltd
Current assignee: Suzhou Kunshan Intelligent Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-07-24
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a password inner door lock, the inner door lock is provided with a password lock head, the password lock head comprises a shell, a password input unlocking device, a knob and a lock brake, the password input unlocking device is arranged on the shell and can be exposed outside the shell, the knob can be movably arranged outside the shell, the knob movement can stir the lock core rotating shaft of the inner door lock to rotate, the lock brake can be movably arranged in the shell, the lock brake can prevent the knob movement, the password input unlocking device can remove the prevention of the lock brake to the knob, the password lock head is arranged on the inner door lock, the lock core rotating shaft of the inner door lock is stirred by the knob on the password lock head to rotate to realize unlocking, the use of a key is avoided, the use is convenient and safe, and the password lock head overload protection structure is also arranged, the condition that the lock core of the inner door lock is damaged due to overlarge operating force of the knob on, the lock core of the inner door lock has a protection effect, and the service life of the inner door lock is guaranteed.

Description

Cipher inner door lock

Technical Field

The utility model relates to an interior lock, in particular to lock in password.

Background

At present, the existing internal door lock unlocking mode adopts a mechanical key to unlock, and unlocking can be realized by directly rotating the key to a corresponding position, as shown in figure 1, the unlocking mode has low safety factor, easy technical unlocking is realized, meanwhile, the key is required to be carried to unlock, and once the key is lost, the lock is required to be picked, so that a user needs to carry a plurality of keys, and the carrying and the use are inconvenient.

Disclosure of Invention

In order to compensate above not enough, the utility model provides a lock in password, this lock in password passes through the password tapered end and realizes unblanking, has avoided the use of key, and can avoid the too big damage lock core of strength of unblanking.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a lock in password, be equipped with the password tapered end on the interior lock, the password tapered end includes shell, password input unlocking device, knob and lock floodgate, password input unlocking device sets up on the shell and can expose in the shell outside, and what the knob can move installs in the shell outside, and the lock core pivot that the interior lock can be stirred in the knob motion rotates, and the lock floodgate can be movable installs in the shell, and the lock floodgate can prevent the knob motion, and password input unlocking device can relieve the prevention of lock floodgate to the knob.

As a further improvement of the utility model, the knob can be rotatably arranged outside the shell, a rotary disc coaxially and fixedly connected with the knob is arranged in the shell, a radial clamping groove is arranged on the side wall of the rotary disc, the lock brake can be arranged in the shell along the radial sliding of the rotary disc, one end of the lock brake can be inserted into the radial clamping groove of the rotary disc, the password of the password lock head is unlocked by the unlocking device which comprises a central shaft and password wheels, the central shaft is arranged in the shell, at least two groups of password wheels can be rotatably sleeved on the central shaft in the circumferential direction, a plurality of password marks are arranged at intervals outside the circumference of the password wheels, a hollow part for exposing at least one password mark by each password wheel is arranged, and each code wheel circumference outer side wall is provided with a radial inner concave part, each code wheel circumference outer side wall tightly supports the surface of the other end of the lock brake, and the other end of the lock brake can be accommodated in the inner concave part on the code wheel circumference outer side wall.

As a further improvement, the housing of the coded lock head is further provided with a first elastic member, and the first elastic member provides elastic retaining force for the lock brake to move towards the radial inward concave part on the coded wheel.

As a further improvement, the eccentric jack that is equipped with on the carousel terminal surface in the trick lock, the eccentric locating pin that is equipped with on the lock core pivot terminal surface of interior lock, this locating pin just can insert and locate in the jack on the carousel.

As a further improvement, the locating pin axial can elastically stretch out and draw back install on the lock core pivot terminal surface of interior lock, the locating pin tip passes through chamfer face or fillet face and the contact of jack lateral wall.

As a further improvement, the bottom surface of the insertion hole on the rotary plate is an inclined plane or an arc-shaped surface which becomes shallow gradually along the depth in the front of the rotary plate rotation direction.

As the utility model discloses a further improvement, coaxial fixed location disc that is equipped with on the lock core pivot terminal surface, the eccentric mounting hole that is equipped with on the location disc, and the mounting hole just can with the carousel on the jack position just right, the locating pin can slide to set for inserting of distance and locate in the mounting hole, still is equipped with the second elastic component in the mounting hole, the both ends of second elastic component elastic expansion direction tightly support the mounting hole bottom surface respectively and the locating pin is located the axial terminal surface in the mounting hole.

As a further improvement, the locating pin is located the one end inboard in the mounting hole and is equipped with the groove structure that supplies the second elastic component to hold.

As a further improvement, the axes of the rotary table and the rotating shaft of the lock cylinder are concentrically spliced and positioned through the concave-convex structure.

As a further improvement, the knob of the coded lock head and the shell of the coded lock head are respectively provided with a position-rightly-facing indication mark, and the shell is also provided with a dust cover capable of covering the coded lock head.

The utility model has the beneficial technical effects that: the utility model discloses an installation password tapered end on interior lock, the lock core pivot of stirring interior lock through the knob on the password tapered end is rotated and is realized unblanking, has avoided the use of key, convenient to use, safety, and has still set up password tapered end overload protection structure, avoids the too big condition emergence that leads to damaging interior lock core of knob operation power on the password tapered end, has the guard action to the lock core of interior lock, guarantees its life.

Drawings

FIG. 1 is a front view of the structural principle of the prior art;

FIG. 2 is a front view of the structure principle of the present invention;

FIG. 3 is a perspective view of the structure principle of the present invention;

fig. 4 is an exploded view of the structure principle of the present invention;

FIG. 5 is a schematic cross-sectional view of the structure of the present invention;

fig. 6 is a usage state diagram of the present invention.

Detailed Description

Example (b): the utility model provides a lock 1 in password, be equipped with password tapered end 2 on the interior lock 1, password tapered end 2 includes shell 3, password input unlocking device, knob 4 and lock floodgate, password input unlocking device sets up on shell 3 and can expose in the shell 3 outside, and the installation in the shell 3 outside that knob 4 can move, and the lock core pivot 14 that interior lock 1 can be stirred in the knob 4 motion rotates, and the lock floodgate can be moved install in shell 3, and the lock floodgate can prevent knob 4 motion, and password input unlocking device can remove the prevention of lock floodgate to knob 4. When the lock is unlocked, a user only needs to input a password to remove the blockage of the lock gate on the knob 4, the operation knob 4 enables the lock cylinder rotating shaft 14 of the inner door lock 1 to rotate to unlock, the inner door lock 1 is unlocked through the password lock head 2, the use of a key is avoided, the situation that the key is lost and cannot be unlocked is prevented, the lock is convenient to unlock and safe to use, mounting hole positions can be reserved on a panel of the inner door lock 1, and a lock head assembly can be installed at different positions of the inner door lock 1 to adapt to lock bodies of different specifications.

The knob 4 can be rotatably arranged outside the shell 3, the shell 3 is also internally provided with a rotary disc 5 coaxially and fixedly connected with the knob 4, the side wall of the rotary disc 5 is provided with a radial clamping groove, a lock brake can be arranged in the shell 3 along the radial sliding of the rotary disc 5, one end of the lock brake can be inserted into the radial clamping groove of the rotary disc 5, the unlocking device of the password lock head 2 comprises a central shaft and password wheels 6, the central shaft is arranged in the shell 3, at least two groups of password wheels 6 can be rotatably sleeved on the central shaft in the circumferential direction, a plurality of password marks are further arranged at intervals outside the circumference of the password wheels 6, the shell 3 is provided with a hollow part for exposing at least one password mark from each password wheel 6, and each password wheel 6 circumference lateral wall is equipped with radial indent portion respectively, each password wheel 6 circumference lateral wall tightly supports lock another end surface respectively, the lock other end can be held in the indent portion on password wheel 6 circumference lateral wall.

When the lock is unlocked, when the password wheel 6 is rotated to a correct position, the radial inward concave part on the password wheel 6 is just right opposite to the other end of the lock brake, the other end of the lock brake can be accommodated in the radial inward concave part of the password wheel 6, one end of the lock brake can be withdrawn from the outer side of the radial clamping groove of the rotary disc 5, at the moment, the lock cylinder rotating shaft 14 of the inner door lock 1 can be rotationally driven to rotate to unlock, the password wheel 6 can also be a password adjustable structure consisting of the inner password wheel 6 and the outer password wheel 6, and the password lock head 2 adopting the structure of the password wheel 6 can be a key password lock head 2 or a fingerprint password lock head 2 and the like.

The shell 3 of the coded lock head 2 is also internally provided with a first elastic piece which provides elastic retaining force for the lock brake to slide towards the radial inward concave part on the coded wheel 6. After the password is input correctly, the lock brake automatically releases the blockage of the knob 4, and the knob 4 can be rotated to unlock smoothly.

The end face of the rotary disc 5 in the coded lock head 2 is eccentrically provided with a jack 7, the end face of the lock core rotating shaft 14 of the inner door lock 1 is eccentrically provided with a positioning pin 8, and the positioning pin 8 can be just inserted into the jack 7 on the rotary disc 5. Through the jack 7 on the carousel 5 and the cooperation of the locating pin 8 on the lock core pivot 14, realize that knob 4 shifts in step to unlock to lock core pivot 14, the two can also be coaxial fixed connection structure to realize in addition.

The positioning pin 8 is axially and elastically installed on the end face of the lock cylinder rotating shaft 14 of the inner door lock 1 in a telescopic mode, and the end portion of the positioning pin 8 is in contact with the side wall of the jack 7 through a chamfer face or a round corner face. Realize knob 4 overload protection through this structure, after knob 4 rotated to target in place and unblanked, continue to rotate knob 4 again and then locating pin 8 receives 4 lateral wall pressure effect elastic shrinkage of knob and withdraws from jack 7 of carousel 5, rotate knob 4 this moment, lock core pivot 14 is not with the commentaries on classics, avoid damaging the lock core, after unlocking, continue rotatory knob 4 and reset the back, locating pin 8 is automatic under the elastic force effect and is stretched into in the jack 7 of carousel 5, do not influence and unblank next time, the structure is simple, the overload protection of unblanking of 1 knob 4 of interior lock has been realized, even the too big lock core that also can not damage interior lock 1 of knob 4 turned angle, this knob 4 overload protection structure can also ensure when external force is rotatory knob 4 by force, knob 4 idles, do not take the lock body square tongue to rotate. Thereby ensuring that the inner door lock 1 cannot be forcibly rotated and opened from the knob 4, and improving the use safety of the inner door lock 1.

The bottom surface of the jack 7 on the rotary disc 5 is an inclined surface or an arc surface with the depth gradually becoming shallow along the front direction of the rotary disc 5. When the knob 4 is overloaded, the positioning pin 8 can be axially guided, so that the positioning pin can smoothly exit from the jack 7 of the turntable 5, and the clamping phenomenon is avoided.

The end face of the lock cylinder rotating shaft 14 is coaxially and fixedly provided with a positioning disc 9, the positioning disc 9 is eccentrically provided with a mounting hole, the mounting hole is just right opposite to the position of the jack 7 on the turntable 5, the positioning pin 8 can be inserted into the mounting hole in a sliding set distance mode, a second elastic piece 10 is further arranged in the mounting hole, and two ends of the second elastic piece 10 in the elastic stretching direction respectively tightly abut against the bottom face of the mounting hole and the axial end face of the positioning pin 8 in the mounting hole. The axial sliding and stretching of the positioning pin 8 are realized through the elastic force of the second elastic piece 10, the structure is simple, the operation is convenient, and the second elastic piece 10 can be a spring. In addition, the positioning pin 8 may be made of an elastic material, or the positioning pin 8 may be positioned on the lock cylinder rotating shaft 14 in a manner of being capable of elastically swinging within a certain range, which are equivalent alternative structures that can be easily conceived by those skilled in the art according to the present patent.

And a groove structure for accommodating the second elastic piece 10 is arranged on the inner side of one end of the positioning pin 8 in the mounting hole.

The axes of the turntable 5 and the lock cylinder rotating shaft 14 are concentrically inserted and positioned through the concave-convex structure 11. The knob 4 and the lock core rotating shaft 14 are ensured to keep a coaxial rotating state.

The knob 4 of the coded lock head 2 and the shell 3 of the coded lock head 2 are respectively provided with an indicating mark 12 which can be aligned to the position, and the shell 3 is also provided with a dust cover 13 which can cover the coded lock head 2. The knob 4 is convenient to observe and the unlocking angle is convenient to rotate.

Claims

1. A password inner door lock is characterized in that: the inner door lock (1) is provided with a password lock head (2) which comprises a shell (3), a password input unlocking device, a knob (4) and a lock gate, wherein the password input unlocking device is arranged on the shell and can be exposed out of the shell, the knob can be movably arranged on the outer side of the shell, a lock core rotating shaft (14) of the inner door lock can be stirred by the knob movement to rotate, the lock gate can be movably arranged in the shell, the lock gate can prevent the knob movement, and the password input unlocking device can relieve the prevention of the lock gate on the knob.

2. The combination inner door lock of claim 1, wherein: the knob can be rotatably arranged outside the shell, a rotary disc (5) coaxially and fixedly connected with the knob is further arranged in the shell, a radial clamping groove is formed in the side wall of the rotary disc, the lock brake can be arranged in the shell in a sliding mode along the radial direction of the rotary disc, one end of the lock brake can be inserted into the radial clamping groove of the rotary disc, the password unlocking device of the password lock head comprises a central shaft and password wheels (6), the central shaft is arranged in the shell, at least two groups of password wheels can be sleeved on the central shaft in a rotating mode in the circumferential direction, a plurality of password marks are further arranged on the outer side of the circumference of each password wheel at intervals, and a hollow-out part for, and each code wheel circumference outer side wall is provided with a radial inner concave part, each code wheel circumference outer side wall tightly supports the surface of the other end of the lock brake, and the other end of the lock brake can be accommodated in the inner concave part on the code wheel circumference outer side wall.

3. The combination inner door lock of claim 2, wherein: still be equipped with first elastic component in the shell of password tapered end, first elastic component provides the gliding elasticity holding power of radial indent portion on the password wheel for the lock floodgate.

4. The combination inner door lock of claim 2, wherein: a jack (7) is eccentrically arranged on the end face of a turntable in the coded lock head, and a positioning pin (8) is eccentrically arranged on the end face of a lock core rotating shaft of the inner door lock and can be rightly inserted into the jack on the turntable.

5. The combination inner door lock of claim 4, wherein: the positioning pin is axially and elastically installed on the end face of a lock core rotating shaft of the inner door lock in an extensible and retractable manner, and the end part of the positioning pin is in contact with the side wall of the jack through a chamfer surface or a fillet surface.

6. The combination inner door lock of claim 5, wherein: the bottom surface of the jack on the rotary table is an inclined plane or an arc-shaped surface, and the depth of the front part of the bottom surface of the jack on the rotary table is gradually shallow along the rotation direction of the rotary table.

7. The combination inner door lock of claim 5, wherein: the lock core is characterized in that a positioning disc (9) is coaxially and fixedly arranged on the end face of the rotating shaft of the lock core, a mounting hole is eccentrically arranged on the positioning disc, the mounting hole can be just right opposite to the position of a jack on the turntable, the positioning pin can slide for a set distance to be inserted into the mounting hole, a second elastic piece (10) is further arranged in the mounting hole, and two ends of the elastic stretching direction of the second elastic piece respectively tightly abut against the bottom surface of the mounting hole and the axial end face of the positioning pin in the mounting hole.

8. The combination inner door lock of claim 7, wherein: the positioning pin is arranged in the mounting hole, and the inner side of one end of the positioning pin is provided with a groove structure for accommodating the second elastic piece.

9. The combination inner door lock of claim 4, wherein: the axes of the turntable and the lock cylinder rotating shaft are concentrically inserted and positioned through the concave-convex structure (11).

10. The combination inner door lock of claim 1, wherein: the knob of the coded lock head and the shell of the coded lock head are respectively provided with an indicating mark (12) which can be aligned to the right position, and the shell is also provided with a dustproof cover (13) which can cover the coded lock head.