CN211448165U - Lock core structure for opening and closing door conveniently and lock with lock core structure - Google Patents

Abstract

The utility model discloses a lock core structure of convenient switch door, including the lock core casing, be equipped with the expansion joint on the lock core casing, be equipped with rotatable shifting block in the lock core casing, the shifting block is connected with the spring bolt subassembly that conveniently opens the door or closes the door, the spring bolt subassembly includes loose axle, first spring bolt, second spring bolt and the reset piece of locating on the loose axle that is connected with the shifting block; a connecting clamping block is arranged at one end of the movable shaft, which is far away from the shifting block, a hinged shaft is arranged on the connecting clamping block, and the first lock tongue and the second lock tongue are respectively hinged at two ends of the hinged shaft; the first lock tongue is provided with a first limiting structure; and a second limiting structure is arranged on the second lock tongue. When the first spring bolt drives the connecting clamping block to contract back into the lock cylinder shell, the second spring bolt hinged with the hinge shaft can be driven to contract back into the lock cylinder shell, so that the door can be conveniently opened and closed, and the problem of inconvenience in opening and closing the door is solved. The utility model also discloses a tool to lock that has this lock core structure.

Description

Lock core structure for opening and closing door conveniently and lock with lock core structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tool to lock technical field specifically is a lock core structure of convenient switch door and have tool to lock of this lock core structure.

[ background of the invention ]

With the progress and development of the technology, the structure of the lockset is more and more complex, the manufacturing and assembling process is complex, and the using method is also more complex. If the complex lockset is installed on a place where the complex lockset is not needed, the inconvenience is caused to the life of people, for example, if the complex lockset is installed on a bathroom door, a user can operate the door lock with the complex structure to lock the door in emergency, and the inconvenience is very high.

[ Utility model ] content

An object of the utility model is to provide a lock core structure of convenient switch door solves the awkward problem that causes because of the tool to lock structure complicacy of part place.

In order to solve the above problem, the utility model provides a technical scheme as follows: the lock core structure for opening and closing the door conveniently comprises a lock core shell, wherein a movable opening is formed in the lock core shell, a rotatable shifting block is arranged in the lock core shell, the shifting block is connected with a lock tongue assembly for opening or closing the door conveniently, the lock tongue assembly comprises a movable shaft connected with the shifting block, a first lock tongue, a second lock tongue and a reset piece arranged on the movable shaft, and the lock tongue assembly extends out of the movable opening from the inside of the lock core shell; a connecting clamping block is arranged at one end, far away from the shifting block, of the movable shaft, a hinged shaft is arranged on the connecting clamping block, the first lock tongue is hinged to one end of the hinged shaft, and the second lock tongue is hinged to the other end of the hinged shaft;

the first lock tongue is provided with a first limiting structure, when the first lock tongue rotates around the hinge shaft, the first limiting structure takes the fixed end of the first limiting structure as a fulcrum to push the connecting clamping block to retract towards the interior of the lock cylinder shell, and the connecting clamping block simultaneously drives the second lock tongue to retract towards the interior of the lock cylinder shell; and a second limiting structure is arranged on the second spring bolt, when the second spring bolt rotates around the hinge shaft, the second limiting structure uses the fixed end of the second limiting structure as a fulcrum to push the connecting clamping block to retract into the lock cylinder shell, and the connecting clamping block simultaneously drives the first spring bolt to retract into the lock cylinder shell.

The first limiting structure is a first limiting transverse block arranged on one side of the first lock tongue connected with the lock cylinder shell, the first limiting transverse block surrounds the hinge shaft and outwards shrinks into an arc shape along the radial direction of the hinge shaft, and the first limiting transverse block is arranged in the lock cylinder shell; the second limiting structure is a second limiting transverse block arranged on one side, connected with the lock cylinder shell, of the second lock tongue, the second limiting transverse block outwards shrinks into an arc shape along the radial direction of the hinge shaft at the position of the hinge shaft, and the second limiting transverse block is arranged in the lock cylinder shell.

One side of the first lock tongue connected with the hinged shaft is provided with a first limiting folding edge for limiting the rotation angle of the first lock tongue, and one side of the second lock tongue connected with the hinged shaft is provided with a second limiting folding edge for limiting the rotation angle of the second lock tongue.

First spring bolt with the second spring bolt is located part in the lock core casing is the semicircular ring body, first spring bolt with the second spring bolt stretches out the outer part of expansion mouth is the triangle body, the ring body with triangle body integrated into one piece, first spring bolt with encircle on the second spring bolt the centre of a circle of semicircular ring body all is equipped with the confession the via hole that the articulated shaft passed, the base of triangle body with the circle at via hole place is tangent.

The first limiting folding edge comprises two crossed edges, and the two edges are crossed at the intersection of a connecting line of the top end of the triangular body and the circle center of the semicircular ring body and the circle where the semicircular ring body is located; the second limiting folding edge comprises two crossed edges, and the two edges are crossed at the intersection of a connecting line of the top end of the triangular body and the circle center of the semicircular ring body and the circle where the semicircular ring body is located;

when the first lock tongue is in an initial state or a complete rotation state, the bottom surface of the first limiting folding edge is tangent to the top surface of the connecting clamping block, and when the second lock tongue is in an initial state or a complete rotation state, the bottom surface of the second limiting folding edge is tangent to the top surface of the connecting clamping block.

The articulated shaft is movably connected to the connecting clamping block.

The lock core is characterized in that the connecting clamping block is provided with a convex block, and the lock core shell is provided with a positioning groove which is matched with the convex block so as to limit the sliding range of the convex block.

The piece that resets is reset spring, lock core casing including the main casing body with the shell cover of main casing body detachable connection.

The shifting block is provided with a long shifting block and a short shifting block.

Compared with the prior art, the utility model discloses a lock core structure of convenient switch door has following advantage:

1. the lock core structure of the convenient door opening and closing device of the utility model has the advantages that the rotation angle of the first lock tongue in the lock core shell is in a fixed range through the first limit structure on the first lock tongue of the lock tongue component of the convenient door opening and closing device, when the first lock tongue drives the connecting clamping block to retract into the lock core shell, the second lock tongue hinged with the hinge shaft on the connecting clamping block can be driven to retract into the lock core shell, so that the door can be opened or closed conveniently; according to the same principle, the second limiting structure on the second spring bolt enables the rotation angle of the second spring bolt around the hinge shaft in the lock cylinder shell to be in a fixed range, and when the second spring bolt drives the connecting clamping block to retract into the lock cylinder shell, the first spring bolt hinged with the hinge shaft on the connecting clamping block can be driven to retract into the lock cylinder shell, so that the door is convenient to open or close, and the problem that the existing part of the door is inconvenient to use due to the complex structure of the lock is solved;

2. the lock core structure of the convenient door opening and closing of the utility model has the advantages that when the door is opened, the first lock tongue is stressed by extrusion, the first lock tongue is limited by the first limit transverse block, the first lock tongue rotates by taking one end of the first limit transverse block as a fixed point, the articulated shaft connected with the first lock tongue is pressed into the lock core shell by the first lock tongue, meanwhile, the second lock tongue which is hinged on the same hinge shaft with the first lock tongue is also retracted into the lock cylinder shell under the driving of the hinge shaft, after the first lock tongue is contracted to the point that the tip end of the first lock tongue is parallel to the lock tongue hole on the door frame, along with the rotation of the door around the loose leaf, the first lock tongue and the second lock tongue are separated from the lock tongue hole, so that the door is opened, the return spring arranged on the movable shaft pushes the movable shaft to restore to the state before the door is opened or closed, and the first lock tongue and the second lock tongue hinged on the movable shaft extend outwards to prevent the door from being locked; when the door is closed, the second lock tongue is stressed by the force of the door frame, the second lock tongue is compressed due to the limitation of the second limiting transverse block, the second lock tongue rotates by taking one end of the second limiting transverse block as a fixed point, the hinged shaft connected with the second lock tongue is pressed into the lock cylinder shell by the second lock tongue, meanwhile, the first lock tongue hinged on the same hinged shaft with the second lock tongue is also retracted into the lock cylinder shell under the driving of the hinged shaft, after the second lock tongue is contracted to the state that the tip of the second lock tongue is parallel to the lock tongue hole on the door frame, the second lock tongue and the first lock tongue both slide into the lock tongue hole along with the rotation of the door around the hinge, so that the door is locked, the reset spring arranged on the movable shaft pushes the movable shaft to restore to the state before opening or closing the door, namely, the first lock tongue and the second lock tongue hinged on the movable shaft extend out of the lock tongue hole, and;

3. the utility model discloses a lock core structure of convenient switch door can also make the loose axle can't withdraw to be connected with the loose axle through rotating long shifting block after closing the door to lock the door and die, prevent that the door from being opened by the people from the outside.

The application still provides a tool to lock with above-mentioned lock core structure, and this tool to lock operation is got up simply, conveniently, sets up in the place that need not use complicated structure tool to lock, solves the awkward problem that current partial door caused because of the structure complicacy of lock.

[ description of the drawings ]

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a lock tongue structure view of the embodiment of the present invention.

Fig. 4 is a first lock tongue structure diagram according to an embodiment of the present invention.

Fig. 5 is a view of the state of the tongue movement of the embodiment of the present invention 1.

Fig. 6 is a view of the state of the tongue in motion according to the embodiment of the present invention 2.

Fig. 7 is the lock tongue structure inside the lock cylinder housing of the present invention sets up the drawing.

[ detailed description ] embodiments

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.

Example 1: referring to fig. 1 to 7, the present embodiment provides a lock cylinder structure for opening and closing a door conveniently, including a lock cylinder housing 1, where the lock cylinder housing 1 is provided with a movable opening 11, a rotatable shifting block 2 is arranged in the lock cylinder housing 1, the shifting block 2 is connected to a latch bolt assembly 3 for opening or closing the door conveniently, and the latch bolt assembly for opening or closing the door conveniently is used to open or close the door conveniently, so as to solve the problem of inconvenient use of the existing partial door due to a complex lock cylinder structure.

Specifically, as shown in fig. 2, the latch bolt assembly 3 includes a movable shaft 31 connected to the shift block 2, a first latch bolt 32, a second latch bolt 33, and a reset element 34 disposed on the movable shaft 31, the reset element is disposed between the shift block and the connecting clamp block, and the reset element enables the movable shaft to restore to the original position after the position deviation, and simultaneously pushes the first latch bolt and the second latch bolt hinged to the movable shaft to restore to the original state. The lock tongue component 3 by stretch out in the lock core casing 1 outside the activity mouth 11, the loose axle 31 is kept away from the one end of shifting block 2 is equipped with connects clamp splice 31a, be equipped with articulated shaft 31b on connecting clamp splice 31a, in this embodiment, articulated shaft 31b and connection clamp splice 31a integrated into one piece, first lock tongue 32 articulate in the one end of articulated shaft 31b, second lock tongue 33 articulate in the other end of articulated shaft 31 b. Of course, the hinge shaft 31b and the connecting clamping block 31a can also be movably connected, that is, a through hole is formed in the connecting clamping block 31a, the hinge shaft 31b penetrates through the through hole to be movably connected with the connecting clamping block, and can rotate in the through hole, so that the first lock tongue and the second lock tongue can rotate around the hinge shaft.

As shown in fig. 5 and 6, the first latch 32 is provided with a first limiting structure, when the first latch 32 rotates around the hinge shaft 31b, the first limiting structure uses a stationary end of the first limiting structure as a fulcrum to push the connecting clamp block 31a to retract into the cylinder housing 1, and the connecting clamp block 31a simultaneously drives the second latch 33 to retract into the cylinder housing 1. The second bolt 33 is provided with a second limiting structure, when the second bolt 33 rotates around the hinge shaft 31b, the second limiting structure uses the stationary end of the second limiting structure as a fulcrum to push the connecting clamp block 31a to retract into the key cylinder housing 1, and the connecting clamp block 31a simultaneously drives the first bolt 32 to retract into the key cylinder housing 1. Through the cooperation of first limit structure and second limit structure and lock core casing and the piece that resets, make first spring bolt and second spring bolt can be convenient shrink in the lock core casing or automatic recovery to stretching out in the lock core casing, be convenient for open or close the door, solve current partial door because the complicated awkward problem that causes of lock core structure.

Specifically, in this embodiment, as shown in fig. 1 to 7, the first limiting structure is a first limiting horizontal block 32b disposed on a side where the first lock tongue 32 is connected to the lock cylinder housing 1, the first limiting horizontal block 32b surrounds the hinge shaft 31b and is outwardly contracted into an arc shape along a radial direction of the hinge shaft 31b, so as to prevent the first lock tongue from affecting rotation of the first lock tongue when rotating around the hinge shaft, and the first limiting horizontal block 32b is disposed in the lock cylinder housing 1, so that the first lock tongue is rapidly restored to an original state before being forced under the pushing of the restoring member after being forced to rotate. The second limiting structure is a second limiting transverse block 33b arranged on one side, connected with the lock cylinder shell 1, of the second lock tongue 33, the second limiting transverse block 33b is arranged along the position of the hinge shaft 31b and radially outwards shrinks into an arc shape along the hinge shaft 31b, so that the second limiting transverse block is prevented from influencing the rotation of the second lock tongue when the second lock tongue rotates around the hinge shaft, and the second limiting transverse block 33b is arranged in the lock cylinder shell 1, so that the second lock tongue is rapidly restored to the original state before being stressed under the pushing of a restoring piece after being stressed and rotated.

The first bolt 32 and the second bolt 33 are both semi-circular rings in the lock cylinder housing 1, and the semi-circular rings enable the first bolt and the second bolt to rotate in the lock cylinder housing and outside with the smallest volume, so that the bolt housing is prevented from being large due to the adoption of bolts with other shapes. First spring bolt 32 with second spring bolt 33 stretches out the outer part of activity mouth 11 is the triangle-shaped body, and the triangle-shaped body is less along with semicircle ring pivoted angle can realize the income of first and second spring bolt or stretch out the lock core casing, and the spring bolt point that adopts other shapes needs bigger rotatable angle, can make the volume of lock core casing become bigger like this. The tip of the triangle body is smoothened, so that the tip of the bolt can conveniently slide into the bolt hole or slide out of the bolt hole. The tourus with triangle body integrated into one piece, first spring bolt 32 with encircle on the second spring bolt 33 the centre of a circle of semicircle ring body all is equipped with the confession the via hole that articulated shaft 31b passed, the base of triangle body with the circle at via hole place is tangent.

As shown in fig. 3, a first limit folding edge 32a for limiting a rotation angle of the first locking tongue 32 is disposed at a side where the first locking tongue 32 is connected to the hinge shaft 31b, and a second limit folding edge 33a for limiting a rotation angle of the second locking tongue 33 is disposed at a side where the second locking tongue 33 is connected to the hinge shaft 31 b. The first limit folding edge 32a ensures that the first lock tongue cannot deflect without limit when rotating around the hinge shaft, and stops when the side surface of the first lock tongue rotates to be parallel to the side surface of the connecting clamping block, so as to limit the deflection angle of the first lock tongue. The second limit folding edge 33a ensures that the second lock tongue cannot deflect without limit when rotating around the hinge shaft, and stops after the side surface of the second lock tongue rotates to be parallel to the side surface of the connecting clamping block, so that the deflection angle of the second lock tongue is limited.

The first limiting folding edge 32a comprises two intersecting edges, the two intersecting edges are positioned at the intersection of a connecting line between the top end of the triangular body and the center of the semi-circular ring body and the circle of the semi-circular ring body, when the first lock tongue 32 is in an initial state or a complete rotation state, the bottom surface of the first limiting folding edge 32a is tangent to the top surface of the connecting clamping block 31a, the initial state of the first lock tongue refers to a state that the first lock tongue is unchanged before being extruded by a door frame as shown by a dotted line in fig. 5, at the moment, the bottom surface of one edge of the first limiting folding edge is tangent to the top surface of the connecting clamping block, and the top surface of the first limiting transverse block is parallel to the top surface of the connecting clamping block; the complete rotation state of the first lock tongue means that when the first lock tongue is hindered by the doorframe, the first lock tongue deflects to a state that the bottom surface of the other edge of the first limit folding edge is tangent to the top surface of the connecting clamping block.

The second limiting folding edge 33a comprises two crossed edges, and the two crossed edges are positioned at the crossed position of a connecting line of the top end of the triangular body and the circle center of the semicircular ring body and the circle of the semicircular ring body. When the second bolt 33 is in an initial state or a completely rotated state, the bottom surfaces of the second limit folding edges 33a are all tangent to the top surface of the connecting clamping block 31a, the initial state of the second bolt refers to a state that the second bolt is unchanged before being extruded by a door frame as shown by a dotted line in fig. 6, at the moment, the bottom surface of one edge of the second limit folding edge is tangent to the top surface of the connecting clamping block, and the top surface of the second limit cross block is parallel to the top surface of the connecting clamping block; the complete rotation state of the second bolt means that when the first bolt is hindered by the door frame, the second bolt deflects to a state that the bottom surface of the other edge of the second limiting folding edge is tangent to the top surface of the connecting clamping block.

In this embodiment, the two sides of the connecting clamp block are both provided with a protruding block 31c, the protruding block 31c slides in the positioning after being clamped into the positioning groove 12, and the protruding block can limit the sliding range of the protruding block 31c due to the fixed length of the positioning groove.

Specifically, in this embodiment, the reset element 34 is a reset spring, and the first lock tongue and the second lock tongue compressed back into the lock cylinder housing can be restored from the fully rotated state to the initial state by the reset spring after the acting force is removed. The lock cylinder shell 1 comprises a main shell 1a and a shell cover 1b detachably connected with the main shell 1a, and the main shell 1a and the shell cover 1b are detachably connected to facilitate maintenance of the lock cylinder.

The long shifting block 21 and the short shifting block 22 are arranged on the shifting block 2, the shifting block is connected with a door handle, a key hole 23 for rotating a key switch is further formed in the middle of the shifting block, when the shifting block is rotated through a key or the door handle, if the long shifting block rotates to be connected with the movable shaft and abuts against the movable shaft to be incapable of moving towards the direction of the shifting block, the first lock tongue and the second lock tongue cannot retract into the lock cylinder shell under the action of external force, the effect of locking the door is achieved, and inconvenience is brought to people in the door due to the fact that the door is pushed away is prevented. When the short shifting block is shifted to be opposite to the movable shaft, the movable shaft can move towards the shifting block, the first lock tongue and the second lock tongue which are hinged with the movable shaft can stretch out and draw back in the lock cylinder shell under the action of external force when the door is opened or closed, the door can be opened or closed conveniently, and the use is simple and convenient.

The lock core structure of the convenient door opening and closing device of the embodiment realizes the opening or closing of the door through the lock tongue component of the convenient door opening and closing device, and solves the problem of practicality and inconvenience caused by complex structure of the existing partial door; when the door is opened, the first lock tongue is stressed by extrusion force, the first lock tongue is limited by the first limiting transverse block, the first lock tongue rotates by taking one end of the first limiting transverse block as a fixed point, a hinge shaft connected with the first lock tongue is pressed into the lock cylinder shell by the first lock tongue, meanwhile, a second lock tongue hinged on the same hinge shaft with the first lock tongue is also retracted into the lock cylinder shell under the driving of the hinge shaft, after the first lock tongue is contracted to the state that the tip end of the first lock tongue is parallel to a lock tongue hole on a door frame, the first lock tongue and the second lock tongue are both separated from the lock tongue hole along with the rotation of the door around a hinge, so that the door is opened, a reset spring arranged on the movable shaft pushes the movable shaft to restore to the state before the door is opened, and the first lock tongue and the second lock tongue hinged on the movable shaft extend outwards to prevent the door from being locked; when the door is closed, the second spring bolt is subject to the counterforce of the door frame, the second spring bolt is limited by the second limit transverse block, the second spring bolt rotates by taking one end of the second limit transverse block as a fixed point, the hinge shaft connected with the second spring bolt is pressed into the lock cylinder shell by the second spring bolt to drive the connecting clamping block to be pressed in, meanwhile, the first lock tongue which is hinged with the second lock tongue on the same hinge shaft is also retracted into the lock cylinder shell under the driving of the hinge shaft, after the second bolt is contracted to the point that the tip end of the second bolt is parallel to the bolt hole on the door frame, along with the rotation of the door around the hinge, the second lock tongue and the first lock tongue slide into the lock tongue hole to lock the door, the return spring arranged on the movable shaft pushes the movable shaft to return to the state before opening or closing the door, namely, the first bolt and the second bolt hinged on the movable shaft extend out of the bolt hole to prevent the door from being opened easily; after the door is closed, the long shifting block can be rotated to be connected with the movable shaft, so that the movable shaft cannot be retracted, the door is locked, and the door is prevented from being opened by people from the outside.

Example 2: this embodiment provides a tool to lock with lock core structure of embodiment 1, easy operation, convenience, convenient to use person uses.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Lock core structure of convenient switch door, including lock core casing (1), its characterized in that: the lock cylinder comprises a lock cylinder shell (1), wherein a movable opening (11) is formed in the lock cylinder shell (1), a rotatable shifting block (2) is arranged in the lock cylinder shell (1), the shifting block (2) is connected with a lock tongue assembly (3) which can be opened or closed conveniently, the lock tongue assembly (3) comprises a movable shaft (31) connected with the shifting block (2), a first lock tongue (32), a second lock tongue (33) and a reset piece (34) arranged on the movable shaft (31), and the lock tongue assembly (3) extends out of the movable opening (11) from the interior of the lock cylinder shell (1); a connecting clamping block (31a) is arranged at one end, far away from the shifting block (2), of the movable shaft (31), a hinge shaft (31b) is arranged on the connecting clamping block (31a), the first bolt (32) is hinged to one end of the hinge shaft (31b), and the second bolt (33) is hinged to the other end of the hinge shaft (31 b);

the first bolt (32) is provided with a first limiting structure, when the first bolt (32) rotates around the hinge shaft (31b), the first limiting structure takes the fixed end of the first limiting structure as a fulcrum to push the connecting clamping block (31a) to retract towards the inside of the lock cylinder shell (1), and the connecting clamping block (31a) simultaneously drives the second bolt (33) to retract towards the inside of the lock cylinder shell (1); the second bolt (33) is provided with a second limiting structure, when the second bolt (33) rotates around the hinge shaft (31b), the second limiting structure uses the fixed end of the second limiting structure as a fulcrum to push the connecting clamping block (31a) to retract into the lock cylinder shell (1), and the connecting clamping block (31a) simultaneously drives the first bolt (32) to retract into the lock cylinder shell (1).

2. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: the first limiting structure is a first limiting transverse block (32b) arranged on one side, connected with the lock cylinder shell (1), of the first lock tongue (32), the first limiting transverse block (32b) surrounds the hinge shaft (31b) and outwards shrinks into an arc shape along the radial direction of the hinge shaft (31b), and the first limiting transverse block (32b) is arranged in the lock cylinder shell (1); the second limiting structure is a second limiting transverse block (33b) arranged on one side, connected with the lock cylinder shell (1), of the second lock tongue (33), the second limiting transverse block (33b) is outwards contracted into an arc shape along the radial direction of the hinge shaft (31b) at the position of the hinge shaft (31b), and the second limiting transverse block (33b) is arranged in the lock cylinder shell (1).

3. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: one side of the first lock tongue (32) connected with the hinge shaft (31b) is provided with a first limiting folding edge (32a) for limiting the rotation angle of the first lock tongue (32), and one side of the second lock tongue (33) connected with the hinge shaft (31b) is provided with a second limiting folding edge (33a) for limiting the rotation angle of the second lock tongue (33).

4. The lock cylinder structure of a convenient opening and closing door according to claim 3, characterized in that: first spring bolt (32) with second spring bolt (33) are located part in lock core casing (1) is the semicircular ring body, first spring bolt (32) with second spring bolt (33) stretch out the outer part of activity mouth (11) is the triangle body, the ring body with triangle body integrated into one piece, first spring bolt (32) with encircle on second spring bolt (33) the centre of a circle of semicircular ring body all is equipped with the confession the via hole that articulated shaft (31b) passed, the base of triangle body with the circle at via hole place is tangent.

5. The lock cylinder structure for opening and closing a door conveniently according to claim 4, wherein: the first limit folding edge (32a) comprises two crossed edges, and the two crossed edges are positioned at the crossed position of a connecting line of the top end of the triangular body and the circle center of the semicircular ring body and the circle of the semicircular ring body; the second limiting folding edge (33a) comprises two crossed edges, and the two crossed edges are positioned at the crossed position of a connecting line of the top end of the triangular body and the circle center of the semicircular ring body and the circle of the semicircular ring body;

when the first lock tongue (32) is in an initial state or a fully rotating state, the bottom surface of the first limiting folding edge (32a) is tangent to the top surface of the connecting clamping block (31a), and when the second lock tongue (33) is in an initial state or a fully rotating state, the bottom surface of the second limiting folding edge (33a) is tangent to the top surface of the connecting clamping block (31 a).

6. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: the hinge shaft (31b) is movably connected to the connecting clamping block (31 a).

7. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: the lock cylinder is characterized in that a convex block (31c) is arranged on the connecting clamping block (31a), and a positioning groove (12) matched with the lock cylinder shell (1) is arranged on the lock cylinder shell to limit the sliding range of the convex block (31 c).

8. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: the reset piece (34) is a reset spring, and the lock cylinder shell (1) comprises a main shell body (1a) and a shell cover (1b) detachably connected with the main shell body (1 a).

9. The lock cylinder structure of a convenient opening and closing door according to claim 1, characterized in that: the shifting block (2) is provided with a long shifting block (21) and a short shifting block (22).

10. Tool to lock of convenient switch door, its characterized in that: the lock core structure of the convenient opening and closing door of any one of claims 1 to 9.

Images