CN203271350U

CN203271350U - Anti-theft lock body

Info

Publication number: CN203271350U
Application number: CN 201320319056
Authority: CN
Inventors: 黄辉源
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-05
Filing date: 2013-06-05
Publication date: 2013-11-06
Anticipated expiration: 2023-06-05

Abstract

An anti-theft lock body comprises a lock body seat, a latch bolt assembly, a handle square rod linked with a handle, a shifting fork assembly, a dead bolt assembly and a dead bolt linkage structure. The shifting fork assembly comprises a bidirectional shifting fork, an upper dialing sheet and a lower dialing sheet, and a dialing position is arranged at one end of the upper dialing sheet and at the one end of the lower dialing sheet. An upper boss is arranged at the upper end of the bidirectional shifting fork. A dialing hook is arranged on the lock body seat. A lower boss is arranged at the lower end of the bidirectional shifting fork. The dead bolt assembly is pulled via effect of the upper boss exerted on the upper dialing sheet after the handle square rod is pushed downwardly so that the anti-theft lock body can be started in a face-up mode. Or, after the handle square rod is pushed downwardly, the handle square rod is enabled to swing via the effect of the lower boss exerted on the dialing hook, and the latch bolt assembly is pulled by the effect of the dialing hook exerted on the lower dialing sheet so that the anti-theft lock body can be started in a face-down mode. Therefore, the anti-theft lock body can be assembled in face-up and face-down modes, good in commonality and broad in application scope. Additionally, when mounting modes are transferred, the anti-theft lock body can be used without the need of adjusting the interior structure of the anti-theft lock body and can be convenient to install and use.

Description

Safety lock body

[technical field]

The utility model relates to a kind of theftproof lock that is arranged on door.

[background technology]

Present stage, the lock body of theftproof lock controls respectively the latch bolt assembly with handle and key and square tongue assembly is realized locking a door or opening the door.We know, although people clockwise rotate handle after handle and open latch bolt by pressing down, but countries in the world are to the mounting means of handle some difference all, such as China and Europe etc. ground, handle must be arranged on the top of safety lock body, at this moment the latch bolt assembly is positioned at the top of lock body, referred to herein as formal dress; And on the U.S. and Korea S and other places, handle must be arranged on the bottom of safety lock body, and at this moment the latch bolt assembly is positioned at the bottom of lock body, referred to herein as upside-down mounting.Current safety lock body is that can't accomplish can be at formal dress, again can be in the situation that upside-down mounting still can be opened latch bolt by pressing down handle, and therefore the versatility of this current class safety lock body is poor, narrow application range.

[utility model content]

The purpose of this utility model is to be to overcome the deficiencies in the prior art, and a kind of highly versatile is provided, safety lock body applied widely, and it can press down handle again and open latch bolt at formal dress in the upside-down mounting situation, and easy to install.

In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

a kind of safety lock body, include lock body base, be located at the latch bolt assembly in lock body base, stirred to open the pull-fork assembly of latch bolt assembly by handle square bar, side's tongue assembly, with slide into or skid off the square tongue linkage structure of lock body base by the square tongue that is contained in lock core in the lock body base hardy hole and drives the side's of drive tongue assembly, described latch bolt assembly includes latch bolt, oblique tongue rod, oblique tongue rod prerotation vane and latch bolt back-moving spring, described pull-fork assembly includes two and is contained in respectively the two-way shift fork that lock body base and lock body cover, and upper plectrum and the lower plectrum of turning set on two-way shift fork outer wall, on described, one end of lower plectrum is equipped with to act on and pulls latch bolt toward the position of stirring of the interior slip of lock body base on the oblique tongue rod prerotation vane, be provided with the convex platform that acts on after plectrum is rotated on the oblique tongue rod prerotation vane in the upper end of two-way shift fork, be provided with the hook of stirring that swings in this lock body base on lock body base, described hook one end of stirring is provided with lower pressure arm on the semi-girder that can act on lower plectrum, and the other end is provided with and is subjected to the arm of force, be provided with in the lower end of described two-way shift fork and can act on this and be subjected to lower convex platform on the arm of force.

In the improvement project to above-mentioned safety lock body, have the arc notch of the convex platform of accommodating two-way shift fork on described on plectrum.

Compared with prior art, the beneficial effects of the utility model are: owing to being respectively equipped with upper and lower boss on two-way shift fork, and be provided with on lock body base and stir hook, press down like this after handle with it the handle square bar of interlock and just can act on by the convex platform of two-way shift fork on upper plectrum and pull the latch bolt assembly, to realize opening latch bolt in the formal dress situation; Perhaps pressing down after handle the lower convex platform by two-way shift fork of the handle square bar of interlock with it acts on to stir and makes it on hook to swing, the hook of stirring after swing acts on to set aside again and pulls the latch bolt assembly on sheet, to realize opening latch bolt in the upside-down mounting situation, the utility model can be at formal dress like this, press down handle in again can the upside-down mounting situation and open latch bolt, therefore it is applicable to the ground uses such as China, Europe, the U.S. and Korea S, its highly versatile, applied widely; And the internal construction that conversion need not to adjust safety lock body during mounting means between formal dress and upside-down mounting just can use, so of the present utility model easy to install.

Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:

[description of drawings]

Fig. 1 is the assembling schematic diagram of the utility model embodiment;

Fig. 2 is the latch bolt assembly of the utility model embodiment and the assembling schematic diagram between pull-fork assembly;

Fig. 3 is the elevation of the utility model embodiment under the formal dress state;

Fig. 4 is the part assembling schematic diagram of the utility model embodiment under the formal dress state;

Fig. 5 is the elevation of the utility model embodiment under the upside-down mounting state;

Fig. 6 is the part assembling schematic diagram of the utility model embodiment under the upside-down mounting state.

[specific embodiment]

the utility model is a kind of safety lock body, as Fig. 1, shown in 2, include lock body base 1, be located at the latch bolt assembly 2 in lock body base 1, stirred to open the pull-fork assembly 4 of latch bolt assembly 2 by handle square bar 3, side's tongue assembly 5, with slide into or skid off the square tongue linkage structure 6 of lock body base 1 by the square tongue that is contained in lock core in lock body base 1 hardy hole 11 and drives the side's of drive tongue assembly 5, described latch bolt assembly 2 includes latch bolt 21, oblique tongue rod 22, oblique tongue rod prerotation vane 23 and latch bolt back-moving spring 24, this: described pull-fork assembly 4 includes two and is contained in respectively two-way shift fork 41 on lock body base 1 and lock body lid 7, and upper plectrum 42 and the lower plectrum 43 of turning set on two-way shift fork 41 outer walls, on described, lower plectrum 42, an end of 43 is equipped with to act on and pulls latch bolt 21 to stir position 421 toward lock body base 1 interior slips on oblique tongue

rod prerotation vane

23, 431, be provided with the convex platform 411 that acts on after plectrum 42 is rotated on oblique tongue rod prerotation vane 23 in the upper end of two-way shift fork 41, be provided with on lock body base 1 swing in this lock body base stir hook 8(at this, it is riveted on lock body base as swinging axle by locating pin 50), described hook 8 one ends of stirring are provided with lower pressure arm 81 on the semi-girder 432 that can act on lower plectrum 43, and the other end is provided with and is subjected to the arm of force 82, be provided with in the lower end of described two-way shift fork 41 and can act on this and be subjected to lower convex platform 412 on the arm of force 82.

When the utility model used on China, Europe and other places, on door, as shown in Fig. 3,4, at this moment handle 9 was positioned at the top of lock body with this formal dress, and latch bolt assembly 2 also is positioned at top.In the time will opening latch bolt with handle, pressing down handle 9 makes handle square bar 3 drive two-way shift forks 41 to clockwise rotate in the

shift fork hole

12,71 of lock body base 1 and lock body lid 7, at this moment the convex platform 411 of two-way shift fork 41 acts on and makes it on plectrum 42 also and then to swing clockwise, so the upper plectrum 42 after swinging is stirred the latch bolt 21 that pulls oblique tongue rod 22 on the oblique tongue rod prerotation vane 23 that position 421 acts on latch bolt assembly 2 and be attached thereto toward the interior slip of lock body base 1 by it, so just can open latch bolt.

When the utility model used on the U.S., Korea S and other places, on door, as shown in Fig. 5,6, at this moment handle 9 was positioned at the bottom of lock body with this upside-down mounting, and latch bolt assembly 2 also is positioned at the bottom.in the time will opening latch bolt with handle, to press down handle 9 to make handle square bar 3 drive two-way shift forks 41 in the shift fork hole 12 of lock body base 1 and lock body lid 7 equally, clockwise rotate in 71, at this moment the lower convex platform 412 of two-way shift fork 41 acts on and stirs being subjected to make on the arm of force 82 and stirring hook 8 and also and then swing of hook 8, so the hook 8 of stirring after swinging acts on lower plectrum 43 by its lower pressure arm 81, it stirs the latch bolt 21 that pulls oblique tongue rod 22 on the oblique tongue rod prerotation vane 23 that position 431 acts on latch bolt assembly 2 and be attached thereto toward the interior slip of lock body base 1 after the outer wall of two-way shift fork 41 swings clockwise to make lower plectrum 43, so just latch bolt can have been opened.

Owing to being respectively equipped with upper and lower boss 411,412 on two-way shift fork 41, and be provided with on lock body base 1 and stir hook 8, press down like this after handle 9 with it the handle square bar 3 of interlock and just can act on by the convex platform 411 of two-way shift fork 41 on upper plectrum 42 and pull latch bolt assembly 2, thereby realize opening latch bolt in the formal dress situation; Perhaps pressing down after handle 9 lower convex platform 412 by two-way shift fork 41 of the handle square bar 3 of interlock with it acts on to stir and makes it on hook 8 to swing, the hook 8 of stirring after swing acts on to set aside again and pulls latch bolt assembly 2 on sheet 42, to realize opening latch bolt in the upside-down mounting situation, as can be seen from above, the utility model can be at formal dress, press down handle in again can the upside-down mounting situation and open latch bolt, so it is applicable to the ground such as China, Europe, the U.S. and Korea S and uses, its highly versatile, applied widely; And the internal construction that conversion need not to adjust safety lock body during mounting means between formal dress and upside-down mounting just can use, so of the present utility model easy to install.

In the present embodiment, as shown in Fig. 2,3,6, have the arc notch 422 of the convex platform 411 of accommodating two-way shift fork 41 on described on plectrum 42, this can make structure between plectrum 42 and two-way shift fork 41 compacter, also just make pull-fork assembly 4 take less space; When opening latch bolt like this in the formal dress situation, the convex platform 411 of two-way shift fork 41 pulls latch bolt assembly 4 to realize after acting on and on the upper perpendicular wall 4221 of arc notch 422, plectrum 42 being swung.

Although describe the utility model in detail with reference to top embodiment, but it will be apparent to one skilled in the art that by the disclosure, in the situation that do not break away from principle of the present utility model and the spiritual scope that described claim limits, can make a variety of changes or revise the utility model.Therefore, the detailed description of disclosure embodiment only is used for explaining, rather than is used for limiting the utility model, but is defined by the subject-matter of the claims the scope of protection.

Claims

1. safety lock body, include lock body base, be located at the latch bolt assembly in lock body base, stirred to open the pull-fork assembly of latch bolt assembly by handle square bar, side's tongue assembly, with slide into or skid off the square tongue linkage structure of lock body base by the square tongue that is contained in lock core in the lock body base hardy hole and drives the side's of drive tongue assembly, described latch bolt assembly includes latch bolt, oblique tongue rod, oblique tongue rod prerotation vane and latch bolt back-moving spring, it is characterized in that: described pull-fork assembly includes two and is contained in respectively the two-way shift fork that lock body base and lock body cover, and upper plectrum and the lower plectrum of turning set on two-way shift fork outer wall, on described, one end of lower plectrum is equipped with to act on and pulls latch bolt toward the position of stirring of the interior slip of lock body base on the oblique tongue rod prerotation vane, be provided with the convex platform that acts on after plectrum is rotated on the oblique tongue rod prerotation vane in the upper end of two-way shift fork, be provided with the hook of stirring that swings in this lock body base on lock body base, described hook one end of stirring is provided with lower pressure arm on the semi-girder that can act on lower plectrum, and the other end is provided with and is subjected to the arm of force, be provided with in the lower end of described two-way shift fork and can act on this and be subjected to lower convex platform on the arm of force.

2. safety lock body according to claim 1 is characterized in that: the arc notch that has the convex platform of accommodating two-way shift fork on described on plectrum.