CN210370223U

CN210370223U - Spring-free idle lock head

Info

Publication number: CN210370223U
Application number: CN201920983440.1U
Authority: CN
Inventors: 林喜禄
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-21
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a tool to lock technical field, specific no spring idle running tapered end that says so, including shell, lock core, key, be equipped with the cavity that can place the lock core in the shell, the lock core is installed in the cavity of shell, the lock core can be rotatory in the cavity, the lock core includes blade subassembly, knob, gear and spare part, the gear is put in the second notch, the gear can be at second notch internal rotation, spare part is equipped with tooth with the edge of back end blade contact surface, tooth meshes with the gear of installing in the second notch of back end blade mutually, still be provided with the draw-in groove in the cavity of shell, draw-in groove department is fixed with the snap ring. This novel no spring idle running tapered end does not restrict the angle to inserting or dial out the key, and the key can be dialled out in arbitrary angle, and the tapered end becomes idle running, and the lock core is no spring design, can prevent that the high temperature from destroying, can be used to fire control utensil or use in other high temperature environment.

Description

Spring-free idle lock head

Technical Field

The utility model relates to a tool to lock technical field specifically is a no spring idle running tapered end.

Background

The existing lock head is composed of a lock core with blades, a middle shell with a transmission structure sleeved behind the lock core, and a shell with a firm structure sleeved behind the middle shell, wherein the lock core is provided with a plurality of blade grooves, each blade groove is internally provided with a blade and a spring for pushing the blade to move, each blade is provided with a notch with a certain grade difference corresponding to a key tooth, a movable pin is arranged on the notch, the middle shell is provided with a notch corresponding to the notch on the lock core blade, a movable pin is arranged in the notch, the inner wall of the shell is provided with a groove corresponding to the notch on the middle shell, a plurality of marble springs capable of resetting the movable pin on the middle shell are arranged above the groove, when the key is inserted into the lock core, if the grade differences of all the key teeth on the key and the blades are matched, the notches on all the blades of the lock core form a straight groove, the movable pins of the lock core can fall into the groove under the action of elastic force, the movable pin in the middle shell also falls along with the movable pin, the groove body part which is separated from the shell slides into the blade groove in the lock cylinder, the lock key is rotated at the moment, the lock key drives the lock cylinder, the lock cylinder drives the middle shell to rotate simultaneously, and the transmission structure connected with the middle shell also rotates simultaneously, so that the door can be opened and closed. The inventor finds that the lock head has the following problems:

(1) the lock core is mainly of a three-layer structure, and a plurality of groups of elastic sheets are used, so that the structure is loose, parts are thin, and destructive examination cannot be borne;

(2) the lock core is rotated to the same point when the key is inserted to open the lock core and pulled out to idle the lock core, and the lock core is easily cracked by lawless persons or the whole lock core is damaged to unlock no matter how the lock core is opened or opened by the original key.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, an object of the present invention is to provide a spring-free idle lock head, which aims to solve the above problems in the prior art.

The technical scheme of the utility model is that: a springless idle lock head comprises a shell, a lock core and a key, wherein a cavity capable of placing the lock core is arranged in the shell, the lock core is arranged in the cavity of the shell, the lock core can rotate in the cavity, the lock core comprises a blade assembly, a top ball, a gear and a spare part, the blade assembly comprises a front section blade, a middle section blade and a rear section blade, a slotted hole capable of being inserted by the key is formed in the middle of the front section blade, the middle section blade and the rear section blade, the number of the front section blade is one, a convex peak capable of interacting with the top ball is arranged on the side surface of the front section blade, the middle section blade comprises a plurality of groups of blades, a first notch corresponding to a key code of the key is arranged on the edge of the middle section blade, the first notch is used for placing the top ball, the top ball is arranged in the first notch, and can axially move in the first, the piece number of back end blade is a slice, back end blade edge is equipped with the second notch corresponding with the key sign indicating number of key, the second notch is used for placing the gear, the gear is put in the second notch, the gear can be at second notch internal rotation, spare one side of piece dress back end blade, spare one is equipped with the tooth with the edge of back end blade contact surface, the tooth meshes with the gear of installing in the second notch of back end blade mutually, still be provided with the draw-in groove in the cavity of shell, draw-in groove department is fixed with the snap ring.

As a further optimization of the present solution, the blade assemblies can be combined or individually rotated within the cavity of the housing.

As a further optimization of the technical scheme, the key code of the key is generated by rotating the contact point of the key and the slotted hole along the axis and changing the angle in a grading way.

As a further optimization of the technical solution, the snap ring is disposed on one side of the backup member.

As a further optimization of the technical scheme, the convex vertex, the top bead and the gear can be distributed on a straight line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a spring-free idle lock head, which adopts the principle of the spring-free idle lock head to hammer in a key of a corresponding key code, so that a front section blade, a middle section blade and a rear section blade rotate in a cavity of a shell, a convex vertex, a top ball and a gear are arranged in a straight line in the axial direction of the gear, the convex vertex pushes the top ball in the axial direction, the top ball arranged in a straight line is pushed to a gear, the top ball is meshed with teeth of the gear, the gear is locked by the top ball and can not rotate, the gear locked and can not rotate automatically is connected with the teeth of a spare part, at the moment, the rotary lock key drives the front section blade, the middle section blade and the rear section blade, the spare part can rotate simultaneously, the lock head is opened, the front section blade, the middle section blade and the rear section blade are driven to rotate when the lock key is pulled out, the convex vertex on the edge of the front section blade, the top ball and the gear are arranged in, the front blade, the middle blade and the rear blade can only be driven to idle, and the spare part can not rotate along with the spare part, so that the lock head can not be opened. This novel no spring idle running tapered end does not restrict the angle to inserting or dial out the key, and the key can be dialled out in arbitrary angle, and the tapered end becomes idle running, and the lock core is no spring design, can prevent that the high temperature from destroying, can be used to fire control utensil or use in other high temperature environment, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a front blade of the present invention;

FIG. 3 is a schematic side view of the front blade of the present invention;

FIG. 4 is a schematic view of a middle blade structure of the present invention;

FIG. 5 is a schematic side view of the middle blade of the present invention;

FIG. 6 is a schematic structural view of a rear blade according to the present invention;

FIG. 7 is a schematic side view of the rear blade of the present invention;

FIG. 8 is a schematic structural view of the backup member of the present invention;

FIG. 9 is a schematic side view of the backup member of the present invention;

FIG. 10 is a schematic view of the structure of the top bead of the present invention;

fig. 11 is a schematic view of the gear structure of the present invention;

fig. 12 is a schematic view of a key structure of the present invention;

fig. 13 is a schematic view of the structure of the housing of the present invention.

In the figure: 1-front section blade; 2-middle blade; 3-rear blade; 4-a backup member; 5-top bead; 6-gear; 7-a key; 8-a housing; 9-a snap ring; 10-convex apex; 11-a first recess; 12-a second recess; 13-teeth; 14-a cavity; 15-a card slot; 16-slotted hole.

Detailed Description

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

Referring to fig. 1-13, the present invention provides a technical solution: a springless idle lock head comprises a shell 8, a lock core and a key 7, wherein a cavity 14 capable of placing the lock core is arranged in the shell 8, the lock core is arranged in the cavity 14 of the shell 8 and can rotate in the cavity 14, the lock core comprises a blade assembly, a top bead 5, a gear 6 and a spare part 4, the blade assembly comprises a front blade 1, a middle blade 2 and a rear blade 3, a slotted hole 16 capable of being inserted by the key 7 is formed in the middle of the front blade 1, the middle blade 2 and the rear blade 3, the number of the front blade 1 is one, a convex vertex 10 capable of interacting with the top bead 5 is arranged on the side surface of the front blade 1, the middle blade 2 is composed of a plurality of groups of blades, a first notch 11 corresponding to the key code of the key 7 is arranged on the side of the middle blade 2, the first notch 11 is used for placing the top bead 5, the top bead 5 is arranged in the first notch 11, the top bead 5 can move in the first notch 11 along the axial direction, the number of the rear blade 3 is one, a second notch 12 corresponding to the key code of the key 7 is arranged on the edge of the rear blade 3, the second notch 12 is used for placing the gear 6, the gear 6 is placed in the second notch 12, the gear 6 can rotate in the second notch 12, the spare part 4 is arranged on one side of the rear blade 3, teeth 13 are arranged on the edge of the contact surface of the spare part 4 and the rear blade 3, the teeth 13 are meshed with the gear 6 arranged in the second notch 12 of the rear blade 3, a clamping groove 15 is further arranged in a cavity 14 of the shell 8, and a clamping ring 9 is fixed at the clamping groove 15.

In particular, the blade assemblies can be combined or rotated individually within the cavity 14 of the housing 8.

Specifically, the key code of the key 7 is generated by rotating the contact point with the slot 16 along the axis and changing the angle in a grading way.

Specifically, the snap ring 9 is disposed on one side of the backup 4.

In particular, the convex apex 10, the apex bead 5 and the gear 6 can be distributed in a straight line.

Specifically, according to the principle of the novel spring-free idle lock head, a key 7 of a corresponding key code is hammered in, so that a front section blade 1, a middle section blade 2 and a rear section blade 3 rotate in a cavity 14 of a shell 8, a convex vertex 10, a top ball 5 and a gear 6 behind the key code are axially arranged in a straight line, the convex vertex 10 axially pushes the top ball 5, the top ball 5 arranged in the straight line is pushed to the gear 6, the top ball 5 is meshed with teeth 13 of the gear 6, the gear 6 is locked by the top ball 5 and cannot rotate, the locked gear 6 which cannot rotate is connected with the teeth 13 of a spare part 4, at the moment, the rotary lock key 7 drives the front section blade 1, the middle section blade 2 and the rear section blade 3, the spare part 4 can rotate at the same time, the lock head is opened, the front section blade 1, the middle section blade 2 and the rear section blade 3 are driven to rotate when the lock key 7 is pulled out, the convex vertex 10, the top ball 5 and the gear 6 on, the top ball 5 can not lock the gear 6, at this time, the key 7 or the hard object which can not match the code is inserted into the slotted hole 16, and only the front blade 1, the middle blade 2 and the rear blade 3 can be driven to idle, the spare part 4 can not rotate along with the spare part, so that the lock head can not be opened. This novel no spring idle running tapered end does not restrict the angle to inserting or dial key 7, and key 7 can be dialled in arbitrary angle, and the tapered end becomes idle running, and the lock core is no spring design, can prevent that the high temperature from destroying, can be used to fire control utensil or other high temperature environment and use, is fit for using widely.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a no spring idle running tapered end, includes shell (8), lock core, key (7), its characterized in that: the lock core is arranged in the shell (8), a cavity (14) capable of containing a lock core is arranged in the cavity (14) of the shell (8), the lock core can rotate in the cavity (14), the lock core comprises a blade assembly, a top ball (5), a gear (6) and a spare part (4), the blade assembly comprises a front section blade (1), a middle section blade (2) and a rear section blade (3), a slotted hole (16) capable of being inserted by a key (7) is formed in the middle of the front section blade (1), the middle section blade (2) and the rear section blade (3), the number of the front section blade (1) is one, a convex vertex (10) capable of interacting with the top ball (5) is arranged on the side surface of the middle section blade (1), the blades (2) are composed of a plurality of groups of blades, a first notch (11) corresponding to a key code of the key (7) is arranged on the side of the middle section blade (2), the first notch (11) is used for placing a top bead (5), the top bead (5) is installed in the first notch (11), the top bead (5) can move in the first notch (11) along the axial direction, the number of the rear section blade (3) is one, a second notch (12) corresponding to a key code of a key (7) is arranged on the edge of the rear section blade (3), the second notch (12) is used for placing a gear (6), the gear (6) is placed in the second notch (12), the gear (6) can rotate in the second notch (12), the spare part (4) is installed on one side of the rear section blade (3), teeth (13) are arranged on the edge of the contact surface of the spare part (4) and the rear section blade (3), and the teeth (13) are meshed with the gear (6) installed in the second notch (12) of the rear section blade (3), a clamping groove (15) is further formed in the cavity (14) of the shell (8), and a clamping ring (9) is fixed at the clamping groove (15).

2. The springless lost motion lock cylinder of claim 1, wherein: the blade assemblies can be combined or rotated individually within the cavity (14) of the housing (8).

3. The springless lost motion lock cylinder of claim 1, wherein: the key code of the key (7) is generated by rotating the contact point of the key and the slotted hole (16) along the axis and changing the angle in a grading way.

4. The springless lost motion lock cylinder of claim 1, wherein: the clamping ring (9) is arranged on one side of the standby moving piece (4).