CN201288452Y - Anti-theft door lock with stop device - Google Patents

Abstract

The utility model relates to a lockset production field, especially relates to a non-return device for a master bolt of an anti-theft door lock. The utility model is an anti-theft door lock with the non-return device, including a lock body and a lock core, wherein the lock body includes a lock case, a lock cover, a master bolt, a carriage, and a side face board, the master bolt is fixed on the carriage, the side face board is fixed on the lock case. The lock body is provided with a non-return board acting on the carriage, the non-return board and the carriage are provided with a joggle joining structure for matching with each other, and the non-return board and the carriage may move and return along different directions under the guide of the guide fixed pole. The utility model makes a plurality of edges of the dummy club to joggle with the non-return teeth on the carriage by the non-return board to form a plurality of non-return points to enhance non-return force, a non-return top block is fixed on the lock cover or the lock case to give the non-return board with a non-return force by means of the rigid lock cover or the lock case. The utility model improves the non-return capability greatly, and is capable of meeting the pick-proof functional requirement of the anti-theft door lock completely.

Description

A kind of safe-guard door lock that has stopping device

Technical field

The utility model relates to lockset and makes the field, relates in particular to a kind of stopping device of safe-guard door lock master dead bolt.

Background technology

Present known safe-guard door lock is because main dead bolt retaining ability, amount of recovery should be greater than the requirement of 8mm after being difficult to reach safe-guard door lock master dead bolt and bearing the axial static pressure of 9800N, this is for illegally opening the security door situation with means such as ripping bars, be difficult to provide reliable pick-proof guarantee, had a strong impact on the anti-theft feature of safe-guard door lock.

Summary of the invention

In view of this, how to provide a kind of simple in structure, the pick-proof ability is strong, and the safe-guard door lock of reliable operation becomes extremely urgent problem.

Designer of the present utility model relies on research, exploitation and the knowhow of being engaged in each lockset for many years, after feasibility study repeatedly, draws a kind of safe-guard door lock goods that have stopping device of the present utility model eventually.

For overcoming existing safe-guard door lock master dead bolt retaining ability, have a strong impact on the deficiency of the anti-theft feature of safe-guard door lock.The utility model provides a kind of stopping device of safe-guard door lock master dead bolt, satisfies the tamper-resistant function of safe-guard door lock.

The utility model is further characterized in that: a kind of safe-guard door lock that has stopping device, comprise lock body and lock core, wherein lock body comprises that lock box, locking closure, main dead bolt, planker, side panel, main dead bolt are fixed on the planker, side panel is fixed on the lock box, it is characterized in that, be provided with the retaining plate that acts on the planker in the described lock body, described retaining plate and planker are provided with the engagement interface arrangment of working in coordination, and described retaining plate and planker can move and return along different directions under the guide effect of guide securement post.

Described lock body is provided with the retaining jacking block and acts on the retaining plate, and described retaining jacking block is located on the locking closure or is installed in the lock box.

Described engagement interface arrangment is that engagement clamping of locking tooth and opening boss or locking tooth embed in the square hole of square hole boss and mesh clamping.

Described retaining jacking block directly leans on boss the one side away from main dead bolt.

Described retaining plate is provided with the pin that protrudes from the retaining plate plane that is against lock box bottom more than three or three, and an end hook that wherein hooks end of extension spring or extension spring on pin is on retaining plate, and the other end of extension spring is hooked on the lock box.

The main dead bolt that described planker connects passes side panel, at least be provided with the mounting hole that a confession wears the guide securement post on the described planker, described planker is pressed on the retaining plate, described retaining plate is provided with for wearing two mounting holes of guide securement post, and at least one guide securement post on the described lock box had not only passed the mounting hole of planker but also passed the mounting hole of retaining plate.

Boss on the described retaining plate and three pin lay respectively at the edge of retaining plate and direction on the contrary perpendicular to the retaining plate plane.

Described retaining jacking block is located on the locking closure, or it is provided with two circular holes and cooperates with the guide securement post and be installed in the lock box.

Described retaining jacking block is provided with at least two rectangular openings, and described rectangular opening is inserted for the opening boss corresponding to retaining opening boss, and its two mounting holes that are provided with are corresponding to the guide securement post on the lock box; With upper and lower vertically moving of retaining plate while.

The utility model has adopted the locking tooth engagement clamping on a plurality of edges of retaining plate boss and the planker, form a plurality of retaining points, strengthen retaining power, when retaining plate adopts the square hole boss, wale locking tooth by square hole, can prevent effectively that planker is at planker face lateral displacement, the retaining jacking block is fixed in locking closure or the lock box can strengthen retaining power to retaining plate by the locking closure or the lock box of rigidity, and the retaining jacking block directly leans on boss the one side away from main dead bolt, more can increase retaining power more than one times, the utility model has improved the retaining ability greatly, can satisfy the tamper-resistant function requirement of safe-guard door lock fully.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is the part-structure schematic diagram of first embodiment lock body of the utility model;

Fig. 2 is the locking closure part-structure schematic diagram of first embodiment of the utility model;

Fig. 3 is the locking closure sectional drawing of first embodiment of the utility model;

Fig. 4 is the main dead bolt carriage structure schematic diagram of first embodiment of the utility model;

Fig. 5 is the retaining plate structural representation of first embodiment of the utility model;

Fig. 6 is the retaining plate of first embodiment of the utility model diagrammatic sketch of bowing;

Fig. 7 is the extension spring schematic diagram of first embodiment of the utility model;

Fig. 8 is the part-structure schematic diagram of second embodiment lock body of the utility model;

Fig. 9 is the retaining ejecting block schematic diagram of second embodiment of the utility model;

Figure 10 is the retaining plate structural representation of second embodiment of the utility model;

Figure 11 is the retaining plate of second embodiment of the utility model diagrammatic sketch of bowing;

Figure 12 is the part-structure schematic diagram of the 3rd embodiment lock body of the utility model;

Figure 13 is the retaining ejecting block schematic diagram of the 3rd embodiment of the utility model;

Figure 14 is the retaining plate structural representation of the 3rd embodiment of the utility model;

Figure 15 is the retaining plate of the 3rd embodiment of the utility model diagrammatic sketch of bowing;

Figure 16 is the lock body schematic diagram that the utility model is applied to lockset.

1 main dead bolt among the figure, 2 side panels, 3 lock boxes, 4 retaining plates, 5 plankers, 6 extension springs, 7 locking closures, 8 retaining jacking blocks

Specific embodiment

See also shown in the accompanying drawing, because three embodiment principle unanimities, be that concrete parts have some variations, therefore simultaneously illustrate that in the lump following embodiment directly is applied in the structure in the security door lock body, but for lock body, the modular construction that is not specifically related in the lock core, can adopt existing universal architecture, so omit among the figure, the utility model comprises the lock body and the lock core of common notion, lock core drives by key and can cause shifting block to be stirred stirring on the retaining plate when dead bolt in the lock body stretches out in lock body or the withdrawal lock body, following length travel, with the dead bolt direction of motion serves as horizontal, wherein lock body comprises lock box 3, locking closure 7, main dead bolt 1, planker 5, side panel 2, main dead bolt 1 is fixed on the planker 5, and side panel 2 is fixed on the lock box 3.Be provided with the retaining plate 4 that acts on the planker 5 in the described lock body, described retaining plate and planker are provided with the engagement interface arrangment of working in coordination, described engagement interface arrangment is locking tooth 502 and retaining plate boss engagement clamping, described boss is divided into opening boss 506 and square hole boss 406, promptly meshing interface arrangment is that locking tooth 502 embeds in the square hole of square hole boss 406 with 506 engagement clampings of opening boss or locking tooth, the engagement system retaining flank of tooth is vertical each other with boss face, described retaining plate and planker are at guide securement post 301, can move and return along different directions under 302 guide effects, planker shown in Figure 1 can transversely move, retaining plate can move along the longitudinal, and the planker moving direction is vertical with the retaining plate moving direction; With retaining plate 4, pack into earlier in the lock box 3, wherein, guide securement post 301 in the lock box 3,302 pass the kidney slot 402 on the retaining plate 4,405, three pin 401 on the retaining plate 4,403,404, be against the bottom of lock box simultaneously, be square hole boss 406 on the retaining plate or opening boss 506 with retaining plate on three pin lay respectively at the edge of retaining plate and direction on the contrary perpendicular to the retaining plate plane, selecting three pin is to realize that retaining plate moves can realize again under the little prerequisite of sliding friction power that balance and stability supports, selection also is feasible more than three pin, but effect is not as the state of three pin.One end 601 of extension spring 6 is hooked on the pin 403 on the retaining plate 4, or an end hook of extension spring is on retaining plate, the other end 602 is hooked on the protruding clasp 303 on the lock box 3, retaining plate is provided with one section and can be used to make retaining plate along arc edge that the mounting hole length direction moves, when the lock core shifting block is stirred in the process of arc limit, and under the return effect of extension spring 6, retaining plate is with length travel up and down, stir the planker left and right displacement simultaneously, so just can realize separating and meshing of retaining plate boss and planker locking tooth.

The planker 5 of packing in the lock box 3, main dead bolt 1 on its middle carriage 5 passes a guide securement post 302 on side panel 2, the lock box 3 and had both passed mounting hole 501 on the planker 5, pass retaining plate 4 mounting holes 405 again, can conveniently locate planker and retaining plate, planker 5 is pressed on the retaining plate 4, locking tooth 502 embodiment 1 on the planker 5 are embedded in the square hole 407 in retaining plate 4 convex platforms 406, or 502 embodiment 2 of the locking tooth on the planker 5 are engaged on 506 of retaining plate 4 upper shed boss, make retaining plate and planker have a plurality of contact points to form a plurality of retainings force.Cover locking closure 7, wherein the circular hole on the locking closure 7 701,702 can be located corresponding to the guide securement post on the lock box 3 301,302, can further stabilize fixed leg again.Locking closure 7 is provided with retaining plate jacking block 703 and withstands on the reverse end of boss 406 and main dead bolt 1 on the retaining plate 4, and promptly retaining jacking block 703 directly leans on retaining plate boss 406 one side away from main dead bolt 1; In like manner be located at the retaining jacking block 703 on the locking closure 7 or be located at the interior retaining jacking block 8 of lock box, directly lean at retaining plate square hole boss 406 or opening boss 506, be located at retaining jacking block 8 in the lock box and be provided with two circular holes 801,802 (Figure 13) and cooperate with guide securement post 301,302 and be fixed in the lock box 3; Above-mentioned retaining jacking block 8 also can be provided with at least two rectangular openings 803 (Fig. 9), described rectangular opening is corresponding to retaining plate opening boss 506, insert for the opening boss, its two mounting holes 801,802 (Fig. 9) that are provided with match with lead 301,302 and retaining plate 4 lengthwise movement up and down simultaneously.

In addition, above-mentionedly only the specific embodiment of the utility model is illustrated, but can not be as protection scope of the present invention, every equivalence of having done according to the design spirit among the present invention changes or modifies, and all should think to fall into protection domain of the present utility model.

Claims (10)

1. safe-guard door lock that has stopping device, comprise lock body and lock core, wherein lock body comprises that lock box, locking closure, main dead bolt, planker, side panel, main dead bolt are fixed on the planker, side panel is fixed on the lock box, it is characterized in that, be provided with the retaining plate that acts on the planker in the described lock body, described retaining plate and planker are provided with the engagement interface arrangment of working in coordination, and described retaining plate and planker can move and return along different directions under the guide effect of guide securement post.

2. a kind of safe-guard door lock that has stopping device according to claim 1, it is characterized in that: described lock body is provided with the retaining jacking block and acts on the retaining plate, and described retaining jacking block is located on the locking closure or is settled in the lock box.

3. a kind of safe-guard door lock that has stopping device according to claim 1 is characterized in that: described engagement interface arrangment is that engagement clamping of locking tooth and opening boss or locking tooth embed in the square hole of square hole boss and mesh clamping.

4, a kind of safe-guard door lock that has stopping device according to claim 2 is characterized in that: described engagement interface arrangment is that engagement clamping of locking tooth and opening boss or locking tooth embed in the square hole of square hole boss and mesh clamping.

5, a kind of safe-guard door lock that has stopping device according to claim 4 is characterized in that: described retaining jacking block directly leans on boss the one side away from main dead bolt.

6. according to claim 4 or 5 described a kind of safe-guard door locks that have stopping device, it is characterized in that: described retaining plate is provided with the pin that protrudes from the retaining plate plane that is against the lock box bottom more than three or three, an end hook that wherein hooks end of extension spring or extension spring on pin is on retaining plate, and the other end of extension spring is hooked on the lock box.

7. a kind of safe-guard door lock that has stopping device according to claim 6, it is characterized in that: the main dead bolt that described planker connects passes side panel, at least be provided with the mounting hole that a confession wears the guide securement post on the described planker, described planker is pressed on the retaining plate, described retaining plate is provided with for wearing two mounting holes of guide securement post, and at least one guide securement post on the described lock box had not only passed the mounting hole of planker but also passed the mounting hole of retaining plate.

8. a kind of safe-guard door lock that has stopping device according to claim 7 is characterized in that: boss on the described retaining plate and pin lay respectively at the edge of retaining plate and direction on the contrary perpendicular to the retaining plate plane.

9. a kind of safe-guard door lock that has stopping device according to claim 8 is characterized in that: described retaining jacking block is located on the locking closure; Or it is provided with two circular holes and cooperates with the guide securement post and be installed in the lock box.

10. a kind of safe-guard door lock that has stopping device according to claim 9, it is characterized in that: described retaining jacking block is provided with at least two rectangular openings, described rectangular opening is corresponding to retaining plate opening boss, insert for the opening boss, its two mounting holes that are provided with are corresponding to the guide securement post on the lock box; With retaining plate upper and lower lengthwise movement simultaneously.

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