CN201087590Y

CN201087590Y - Square tongue positioning device of strong theft-proof lock

Info

Publication number: CN201087590Y
Application number: CNU2007200572453U
Authority: CN
Inventors: 曹湛斌; 马宗献
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-21
Filing date: 2007-09-21
Publication date: 2008-07-16
Anticipated expiration: 2017-09-21

Abstract

The utility model discloses a dead bolt locating device of a strong theftproof lock, and aims to provide a dead bolt locating device which has simple structure and can greatly increase the ability of a bolt to bear the static load in a perpendicular axial direction. The utility model comprises a dead bolt arranged inside the back shell of a lock case, a dead bolt connecting block and a dead bolt locating block, wherein, the dead bolt and the dead bolt connecting block which are fixedly connected into a whole are fixedly connected inside the back shell and can slide along the perpendicular axial direction, the dead bolt locating block which is positioned on the lower part of the dead bolt connecting block is fixedly connected inside the back shell and can slide along the horizontal axial direction. The utility model is characterized in that one side of the dead bolt connecting block is provided with two or more than two saw-toothed locating teeth, and the dead bolt locating block is provided with one or more than one locating pole matched with the locating teeth to locate. The utility model is provided with saw-toothed locating teeth on the dead bolt locating block; therefore, the ability of the dead bolt to bear the axially directional load is greatly increased. The utility model has the advantages, thereby being widely applicable to various dead bolt mortice door locks.

Description

The square tongue positioner of powerful theftproof lock

Technical field

The utility model relates to a kind of square tongue positioner of powerful theftproof lock.

Background technology

In existing mortise door lock, the general side's of being provided with tongue positioner all, as China Patent No. is ZL200520102762.9, notice of authorization day to be on August 16th, 2006, notice of authorization number to be called " lock clutch and the electric control lock with clutch with lock " for CN 2806674Y, utility model name, this utility model discloses a kind of square tongue positioner that has main dead bolt retaining locating piece, because its reasons in structure often is difficult to satisfy the security protection requirement of relevant dead bolt axial carrying static load.

The utility model content

In order to overcome the deficiencies in the prior art, it is a kind of simple in structure and can greatly improve the square tongue positioner that dead bolt bears vertical axial static load ability that the utility model provides.

For achieving the above object, the utility model is taked following technical scheme:

A kind of square tongue positioner of powerful theftproof lock comprises that square tongue 1, the square tongue in the drain pan 6b that is arranged on lock housing 6 connects piece 2 and square tongue locating piece 3; Described side's tongue 1 and square tongue connect piece 2 and are fixed with one and can be connected in slidably in the described drain pan 6b along vertical axial, and described side's tongue locating piece 3 is positioned at described side's tongue and connects the bottom of piece 2 and can be connected in described drain pan 6b slidably along horizontal axis; It is characterized in that: the side that described side's tongue connects piece 2 is provided with the positioning tooth 2b of 2 or 2 above indentations, and described side's tongue locating piece 3 is provided with the reference column 3c of the location of matching with described positioning tooth 2b more than 1 or 1.

The described vertical axial side of being meant tongue 1 and square tongue connect that piece 2 stretches out or the direction of the lock housing 6 of withdrawing.Described horizontal axis then is meant the direction that is 90 degree with above-mentioned vertical axial.

Described positioning tooth 2b indentation, be meant the shape that positioning tooth 2b retreads on foot before sawtooth is, be that front 2b1 is vertical about Q1 ≈ 90 degree substantially with vertical axial, and the angle that back 2b2 spends (being far smaller than 90 degree) with Q2＜＜90 favour vertical axial.The main effect of zigzag positioning tooth 2b is, when square tongue 1 need stretch out outside the lock housing 6 in lock housing 6, do not need the external force side of pulling tongue locating piece 3 that reference column 3c and positioning tooth 2b are disengaged, but also can make reference column 3c leave the groove of positioning tooth 2b by the extruding forces of square tongue piece 2 itself, thereby the side's of making tongue 1 stretches out lock housing 6 easily and then reaches the function of locking a door; In the time of when square tongue 1 need be withdrawn lock housing 6 outside lock housing 6 in, if the side's of driving tongue locating piece 3 disengages reference column 3c and positioning tooth 2b, the reference column 3c tightly side's of withstanding tongue connects piece 2, and the side's of making tongue 1 can not be withdrawn outside lock housing 6 in the lock housing 6.

Described positioning tooth 2b can be two or more according to intensity and the actual needs that square tongue connects piece 2, is evenly distributed on the side that described side's tongue connects piece 2.

Described reference column 3c can be one as required, also can be for more than two, when reference column 3c is two when above, should connect on the positioning tooth 2b side of the being evenly distributed in tongue locating piece 3 of piece 2 along square tongue, and the spacing between adjacent two reference column 3c is identical with spacing between adjacent two positioning tooth 2b, thereby can realize that each reference column 3c can both cooperatively interact with positioning tooth 2b.

Further technical scheme can also be: described reference column 3c is a cylinder.

Further technical scheme can also be: described reference column 3c radially also is provided with annular projection 3d.Described annular projection 3d mainly acts on and being: when described reference column 3c cooperates with positioning tooth 2b, not only can utilize reference column 3c and cooperating of positioning tooth 2b to realize that the other side's tongue 1 and square tongue connect piece 2 and locate at vertical axial, the tooth mouth that can also utilize annular projection 3d realization the other side tongue to connect piece 2 is located up and down, and the side's of preventing tongue connects piece 2 and produce the skew of beating when vertical axial moves.Further equivalent can also be: radially also be provided with ring-type concave ring groove 3e on the described reference column 3c, the tooth mouth of described positioning tooth 2b inserts in the described ring-type concave ring groove 3e.

Further technical scheme can also be: the cover plate 6a of described lock housing 6 goes up and reference column 3c and the corresponding position of movement locus thereof also are provided with reference column groove 6c.Described reference column groove 6c mainly acts on and being, utilizes reference column groove 6c that reference column 3c is carried out axial support, and when applying axial load on square tongue 1, reference column 3c is also simultaneously stressed, and this moment, reference column groove 6c also increased supporting force to reference column 3c simultaneously.Compare with the square tongue positioner that reference column groove 6c is not set, the axial load that the technical program can be born is bigger.Described reference column groove 6c can be for directly being stamped to form from cover plate 6a.

The square tongue positioner that the utility model adopted has following advantage:

1. owing to adopted jagged positioning tooth 2b, make described side's tongue 1 and square tongue connect piece 2 and can stretch out lock housing very like a cork and enter in the doorframe; Also can make described side's tongue 1 and square tongue connect piece 2 and leave the situation of positioning tooth 2b at the reference column 3c that does not have the key side of driving tongue locating piece 3, in the lock body outside described side's tongue 1 being pushed back in the lock body required strength by force in other words from the door leaf outside will be very big.

2. because described reference column 3c radially also is provided with annular projection 3d or ring-type concave ring groove 3e, can the side's of preventing tongue connects piece 2 and when vertical axial moves, produce the skew of beating.

3. because the cover plate 6a of described lock housing 6 is provided with reference column groove 6c, reference column 3c is increased supporting force.

Owing to the utlity model has above-mentioned advantage, so can be widely used in all kinds of side's tongue mortise door locks.

Description of drawings

Fig. 1 is the utility model side's tongue positioner decomposing schematic representation;

Fig. 2 is that the utility model side's tongue locating piece and square tongue connect piece fit structure schematic diagram;

Fig. 3 is that the utility model side's tongue connects piece tooth facial planes schematic diagram;

Fig. 4 is provided with the axial sectional view of circular protrusion 3d on the utility model reference column 3c;

Fig. 5 is provided with the axial sectional view of ring-type concave ring groove 3e on the utility model reference column 3c;

Fig. 6 is that the utility model side's tongue stretches out the outer structural representation that is locked by square tongue positioner of lock housing;

Fig. 7 is the structural representation in the tongue positioner lock function side of releasing, the utility model side tongue withdrawal lock housing;

The specific embodiment

Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model:

As shown in Figure 1, a kind of square tongue positioner of powerful theftproof lock, the side's of comprising tongue 1, square tongue connect piece 2 and square tongue locating piece 3, also comprise with square tongue 1, square tongue connecting the lock housing 6 that piece 2 and square tongue locating piece 3 are used; Described lock housing 6 comprises lock cap 6a and lock drain pan 6b again, and described side's tongue 1, square tongue connect lock assemblies such as piece 2 and square tongue locating piece 3 and be accommodated in the described lock housing 6.

As shown in Figure 1, the also side's of being set with tongue lead 4 and square tongue locating piece lead 5 in the described lock housing 6, described side's tongue lead 4 and square tongue locating piece lead 5 makes described side's tongue connect piece 2 and square tongue locating piece 3 is connected in the lock housing 6 respectively slidably.

As depicted in figs. 1 and 2, described side's tongue 1 and square tongue connect piece 2 and are connected as a single entity, the left side that side's tongue connects piece 2 is provided with the fork slot that cooperates with the lock core shift fork, the center is provided with the groove 2a that endwisely slips, described side's tongue lead 4 inserts among the groove 2a that endwisely slips, thereby when stirring the lock core shift fork, can drive described side's tongue and connect piece 2 and slide at vertical axial along described side's tongue lead 4, promptly square tongue connects piece 2 and form the structure that can slide along vertical axial in lock drain pan 6b.

As Fig. 1, Fig. 2 and shown in Figure 3, the right side that described side's tongue connects piece 2 is provided with the positioning tooth 2b of 3 indentations and 1 unlimited positioning tooth 2b is set at the top, the zigzag of retreading on foot before all positioning tooth 2b are, described positioning tooth 2b cooperates formation side's tongue positioner with reference column 3c on being fixed on described side's tongue locating piece 3.The zigzag of retreading on foot before all positioning tooth 2b are, as shown in Figure 3, front 2b1 is vertical about Q1 ≈ 90 degree substantially with vertical axial, and the angle that back 2b2 spends (being far smaller than 90 degree) with Q2＜＜90 favours vertical axial.If the side's of driving tongue locating piece 3 disengages reference column 3c and positioning tooth 2b, the reference column 3c tightly side's of withstanding tongue connects the front 2b1 of piece 2, the side's of making tongue 1 can not be at an easy rate outside lock housing 6 in the withdrawal lock housing 6.

As shown in Figure 1, described side's tongue locating piece 3 is provided with left sliding tray 3a and right sliding tray 3b, described side's tongue lead 4 and square tongue locating piece lead 5 insert respectively among left sliding tray 3a and the right sliding tray 3b, thereby described side's tongue locating piece 3 can be slided along described side's tongue lead 4 and square tongue locating piece lead 5 horizontal axis, and promptly square tongue locating piece 3 forms in lock drain pan 6b can be along the structure of horizontal axis slip.

As Fig. 1, Fig. 3 and shown in Figure 4, described side's tongue locating piece 3 is positioned at the below that described side's tongue connects piece 2, and the top of described side's tongue locating piece 3 also is provided with two reference column 3c along described positioning tooth 2b.Described reference column 3c is a cylinder, its top radially is provided with annular projection 3d, the lower surface of described protruding 3d connects the upper surface of piece 2 a little more than described side's tongue, thereby described reference column 3c is formed described side's tongue is connected the location of piece 2 in the axially-movable direction, and can also realize described side's tongue is connected the position-limiting action of piece 2 at above-below direction by annular projection 3d, make described side's tongue connect piece 2 and can not beat at above-below direction.As described side's tongue being connected the spacing another kind of alternative of piece 2 at above-below direction, as shown in Figure 5, can also be, on described reference column 3c, radially being provided with ring-type concave ring groove 3e, the tooth mouth of described positioning tooth 2b inserts in the described ring-type concave ring groove 3e.

As shown in Figure 1, on described lock cap 6a, also be provided with reference column groove 6c with reference column 3c top and the corresponding position of movement locus thereof.From the outside of lock cap 6a, this reference column groove 6c is convex shape; But from the inner face of lock cap 6a, this reference column groove 6c is the groove shape.When lock cap 6a was installed on the lock drain pan 6b by fastening after, reference column 3c top also was positioned and is limited in the reference column groove 6c, utilizes reference column groove 6c that reference column 3c is carried out axial support, increases vertical axial load-bearing power.

The course of work:

Start lock function, as shown in Figure 6, described side's tongue locating piece 3 is inserted in square tongue lead 4 and the square tongue locating piece lead 5 that is arranged in the lock housing 6 respectively by left sliding tray 3a and the right sliding tray 3b that is provided with on it, the side's of utilization tongue lead 4 and square tongue locating piece lead 5 can be limited to the glide direction of square tongue locating piece 3 in the lock housing 6 and connect on the axial vertical direction of piece 2 along described side's tongue, described side's tongue 1 and square tongue connect the groove 2a that endwisely slips that piece 2 connects piece 2 by the side's of being arranged on tongue and are inserted on the square tongue lead 4 that is arranged in the lock housing 6, the glide direction side of the being limited to tongue that the side's of utilization tongue lead 4 and square bolt hole can connect square tongue 1 and square tongue piece 2 connect piece 2 axially on.When square tongue 1 all stretches out outside the lock housing 6, described two reference column 3c will cooperate with two positioning tooth 2b that square tongue connects piece 2 tail ends, utilize reference column 3c square tongue 6 can be locked in outside the lock housing 6, as long as reference column 3c and positioning tooth 2b do not disengage, square tongue 1 just can not be withdrawn in lock housing 6 vertically.

Function unlocks, as shown in Figure 7, when square tongue locating piece 3 slides along described left sliding tray 3a and right sliding tray 3b by the driving of other actuators in the lock housing 6, drive reference column 3c and positioning tooth 2b and disengage, lock function is removed, and square tongue 1 just can be along in its axial retraction lock housing 6.

Claims

1. the square tongue positioner of a powerful theftproof lock comprises that square tongue (1), the square tongue in the drain pan (6b) that is arranged on lock housing (6) connects piece (2) and square tongue locating piece (3); Described side's tongue (1) and square tongue connect piece (2) and are fixed with one and can be connected in slidably in the described drain pan (6b) along vertical axial, and described side's tongue locating piece (3) is positioned at described side's tongue and connects the bottom of piece (2) and can be connected in described drain pan (6b) slidably along horizontal axis; It is characterized in that: the side that described side's tongue connects piece (2) is provided with the positioning tooth (2b) of 2 or 2 above indentations, and described side's tongue locating piece (3) is provided with the reference column (3c) of the location of matching with described positioning tooth (2b) more than 1 or 1.

2. according to the square tongue positioner of the described powerful theftproof lock of claim 1, it is characterized in that: radially also be provided with annular projection (3d) on the described reference column (3c), the lower surface of described projection (3d) connects the upper surface of piece (2) a little more than described side's tongue.

3. according to the square tongue positioner of the described powerful theftproof lock of claim 1, it is characterized in that: radially also be provided with ring-type concave ring groove (3e) on the described reference column (3c), the tooth mouth of described positioning tooth (2b) inserts in the described ring-type concave ring groove (3e).

4. according to the square tongue positioner of claim 1,2 or 3 described powerful theftproof locks, it is characterized in that: the cover plate of described lock housing (6a) is gone up with described reference column (3c) top end face and the corresponding position of movement locus thereof and also is provided with reference column groove (6c).

5. state the square tongue positioner of powerful theftproof lock according to claim 5, it is characterized in that: described reference column (3c) is a cylinder.