CN2337260Y - Multiple protection ball shape door lock - Google Patents

Abstract

The utility model relates to a multi-protection ball-shaped door lock which is composed of a casing base, a lock core, a rotating shaft of an outer handle and a rotating shaft of an inner handle, and comprises a safety lever, an opening safety catch, a bolt and a lock core structure, wherein, the safety lever is additionally provided with a plurality of ratchets respectively playing a first and a second stages of safety functions: the first stage is normally used indoor safety and permanent safety, and the second stage is a forced safety function in which the door lock can not be opened even with a key. The body of the opening safety catch is additionally provided with a containing groove for the safety lever to be inserted in when the second stage safety is forced to be arranged, so that the door lock can only be opened by a long system, and the safety catch can not rotate to achieve the purpose of forced safety function.

Description

Many insurance door lock with knobs

The utility model is the improvement about door lock with knob, specially refers to the architecture advances of the door lock with knob of various train types.

In the existing serial door lock with knob that uses, there is not the security insurance functional device more, the people stands outside the door and can directly open door with key, also is in the structure stage of original design on its performance, has caused inconvenience in some cases.Along with the development of society, people require constantly to pay attention to door lock with knob security insurance theftproof performance, and therefore the door lock with knob of the no insurance function of using does not at present often catch up with the demand of market development.

In view of the problem that known technology exists, the purpose of this utility model is to provide a kind of door lock with knob that the many insurances of safety theftproof is arranged to market, so that have a kind of product of renewal to select to the customer.

The utility model is achieved in that a kind of many insurance door lock with knobs, it is characterized in that: be made up of a housing pedestal, lock core, outdoor handle rotating shaft and inner handle rotating shaft; Wherein, be separately installed with an identical shaped handle on the inside and outside arm pivot post, bumper bar passes in the hole of inner handle rotating shaft together with button, the bumper bar end interconnects with the spring stop piece in the opening safety bolt, under the effect of spring, make bumper bar outwards pushing all the time, the opening safety bolt is arranged in the hole of outdoor handle rotating shaft and constitutes one, opening tank and the tank on the opening safety bolt in the outdoor handle rotating shaft remain on same direction position, and an end of arm pivot post and opening safety bolt is respectively equipped with cam mechanism outside; On bumper bar, be provided with ratchet; Have spacer to match on the button with groove in the inner handle rotating shaft, in the housing pedestal, be equipped with can upper and lower slip sliding pallet, be fixed with retaining sheet on it, it is used to block ratchet, in the upper end of sliding pallet a pair of stage clip is arranged.Lock core structure can be cross or blossom type.

The utility model is finished as follows, improve on the parts basis in addition existing original, include bumper bar, the opening safety bolt, a plurality of ratchets have been set up in dead bolt and lock core structure innovation on its bumper bar, play the effect of I and II insurance function respectively, the first order is the indoor insurance and the permanent insurance of general normal use, and the second level can not be opened with the key of the former interworking of this lockset itself for forcing the security insurance function.Add a tank on the basis of opening safety bolt body, this tank is when forcing security insurance for the second level, bumper bar to be inserted in this tank, and blocking is opened lock can not be rotated, and forces security insurance performance purpose to reach.

Mostly the lock core structure unification that current this lockset disposed is the yi word pattern key, therefore security performance is lacked to some extent, quotes " cross lock core, blossom type lock core " simultaneously improved, and has improved the privacy degrees and the anti-performance of dialling of this lockset.

Operating principle of the present utility model is: when need not safety position, its inside and outside handle is many can open door freely, press the duty that into enters normal insurance of the first order and permanent insurance once retaining when button, outdoor handle can only insert and can open with key this moment.Enable when forcing the security insurance performance as need, enter the second level and carry out and force the security insurance function, prevent all motions outdoors simultaneously, insert with key and also can't turn unlatching just after door closed button pressed again into two retainings.

The utility model is compared with prior art has following advantage:

One. simultaneously externally arm pivot post and the blocking of opening safety bolt, so that the function of generation double insurance, enter the two-stage safety descendant and stand outside the door and also can't open this lockset with key, comprise other any means, thereby reach main purpose of the present utility model.

Two. door is being when opening, and during if any a wind or unconscious close, no safety position is answered back in the I and II insurance immediately, and button ejects automatically.

Three. according to the lock core structure of the configurable multiple class of the market demand, cross lock core is arranged, the blossom type lock core has increased the performance and the kind of lockset, and this is second purpose of the present utility model.

Four. be applicable to various types of door lock with knob series, improve simple in structure, can be in original production technology, in time transform on the basis of technical condition and produce in batches, easy to implement.

Fig. 1 is a stereoscopic exploded view of the present utility model.

Fig. 2 is a structural upright exploded view of the present utility model.

Fig. 3 is two kinds of lock core stereoscopic figure of the present utility model.

Fig. 4 (a, b) is an opening structural representation of the present utility model.

Fig. 5 (a, b) is a first order permanent insurance structural representation of the present utility model.

Fig. 6 (a, b) is that the safety insurance structure schematic diagram is forced in the second level of the present utility model.

It is as follows to describe the utility model in detail below in conjunction with embodiment and accompanying drawing thereof:

As shown in Figure 1: the utility model is mainly formed one by a housing pedestal 31 and outdoor handle rotating shaft 21 and inner handle rotating shaft 11, in, outdoor handle rotating shaft 11, be fixed with an identical shaped handle 13 or 50 on 21 respectively, when the lockset function is in the zero-bit state, in the rotation, outdoor handle 13 can drive arm pivot post 21 respectively, 11 do a left side, the right side is shaken, interlock sliding pallet 32 is done, under the reciprocating action that is shifted, simultaneously and drive dead bolt 33 and do one and stretch one and contract, so just finish this lockset and opened or closed closed procedure, said structure and existing structure are basic identical, but the structure that has increased lock core 22 as shown in Figure 3: a. is cross lock core, b. be the blossom type lock core, with mutual opening rate and the security performance that improves this lockset.

Opening is in conjunction with Fig. 2, shown in Figure 4: bumper bar 14 passes in the hole of inner handle rotating shaft 11 together with button 12, bumper bar end 145 interconnects with the spring stop piece in the opening safety bolt 413, under spring 414 effects, make bumper bar outwards pushing all the time, opening safety bolt 41 is arranged in the hole of outdoor handle rotating shaft 21 and constitutes one, opening tank 211 in the outdoor handle rotating shaft 21 remains on same direction position with the tank 411 on the opening safety bolt 41, make left rotation and right rotation when outdoor handle rotating shaft 21 and also make the and then rotation together of opening safety bolt simultaneously, cam 212 is stirred on the sliding pallet work simultaneously with cam 412 thus, back and forth displacement down, inner handle rotating shaft this moment 11 rotation purposes are identical with outdoor handle rotating shaft 21.

First order permanent insurance function is as shown in Figure 5: advance button 12 to drive bumper bars 14 and shift forward a retaining, retaining sheet 35 is blocked under stage clip 36 pressurizeds toward ratchet 143 positions, make insurance be in first order inactive state, 141 positions on the bumper bar also extend in the opening tank 211 of outdoor handle rotating shaft 21 simultaneously, do the blocking locking, reaching outdoor handle can not rotate freely, as lockset being opened by the lock core connecting rod 23 (as shown in Figure 1) on the lock core 22, the cam 412 that drives on the opening safety bolt 41 just can be stirred sliding pallet 32, retaining sheet 35 raises along with sliding pallet moves and breaks away from the blocking effect that loses, make bumper bar 14 get back to the original place again again, set the permanent insurance state, pressing into 12 whiles of button, 30 ° of button 12 rotations are made in the groove 113 that spacer 121 must slip into inner handle rotating shaft 11, bumper bar 14 is for good and all rested on this position.

The security insurance function is forced as shown in Figure 6 in the second level: when finishing first order insurance function, button 12 is pressed an into retaining more forward, ratchet on the bumper bar 14 moves on to 144 positions from 143 at this moment, along with bumper bar 14 progressive stretching into, make 142 positions block opening safety bolt 41 and outdoor handle rotating shaft 21 simultaneously, this lockset is in the two-stage safety performance fully and makes state mutually like this, can't open this lock with any means and self original key outdoors.As want arming to do the time spent, and just turn inner handle 13, retaining sheet 35 along with raising, sliding pallet 32 is shifted, break away from ratchet 143 bumper bar 14 is discharged automatically, return original position automatically again by spring 414 release interlock slide plate 413 bumper bars 14 and button 12.

Claims (2)

1. the door lock with knob of insurance more than a kind is characterized in that: be made up of a housing pedestal, lock core, outdoor handle rotating shaft and inner handle rotating shaft; Wherein, be separately installed with an identical shaped handle on the inside and outside arm pivot post, bumper bar passes in the hole of inner handle rotating shaft together with button, the bumper bar end interconnects with the spring stop piece in the opening safety bolt, under the effect of spring, make bumper bar outwards pushing all the time, the opening safety bolt is arranged in the hole of outdoor handle rotating shaft and constitutes one, opening tank and the tank on the opening safety bolt in the outdoor handle rotating shaft remain on same direction position, and an end of arm pivot post and opening safety bolt is respectively equipped with cam mechanism outside; On bumper bar, be provided with ratchet; Have spacer to match on the button with groove in the inner handle rotating shaft, in the housing pedestal, be equipped with can upper and lower slip sliding pallet, be fixed with retaining sheet on it, it is used to block ratchet, in the upper end of sliding pallet a pair of stage clip is arranged.

2. many insurance door lock with knobs according to claim 1, it is characterized in that: lock core structure can be cross or blossom type.

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