CN2310843Y - Safety door lock - Google Patents
Safety door lock Download PDFInfo
- Publication number
- CN2310843Y CN2310843Y CN 97220168 CN97220168U CN2310843Y CN 2310843 Y CN2310843 Y CN 2310843Y CN 97220168 CN97220168 CN 97220168 CN 97220168 U CN97220168 U CN 97220168U CN 2310843 Y CN2310843 Y CN 2310843Y
- Authority
- CN
- China
- Prior art keywords
- plate
- lock
- keratotic plugs
- baffle plate
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a safety door lock, which is particularly suitable for arrangement and use in hotels, restaurants, households, etc. The utility model is formed by the way that a lock core and a linkage device for driving a four-corner bolt, a three-corner bolt and a stop bolt in a door lock cavity to move are arranged in the door lock cavity composed of a cover plate, a lock shell and a lock shell plate. The linkage device is fixed on the lock shell. A twisting plate with a circular sleeve and a torsion spring is matched with a rotary horn of a handle, is arranged on a stop and baffle plate and is matched with the stop and baffle plate which is connected with the stop bolt through the torsion spring. The rotary horn is matched with the four-corner bolt with the torsion spring. A tongue piece on the lock core is matched with the rotary horn to drive the three-corner bolt and the stop and baffle plate through a linkage plate. The four-corner bolt not only can be self-locked, but also can lock the three-corner bolt. The utility model has the advantages of strong abilities of impact resistance, theft protection and prizing protection, firmness, reliability and light sound at the time of door closing.
Description
The utility model relates to a kind of swinging door mortise lock, the insurance lock of suit in the hotel especially, installing and using in place such as restaurant, family.
Existing commercially available lockset type, various in style, but its impact resistance of some lockset is not enough, pick-proof, antitheft, the anti-function of pounding are relatively poor, and sound is very loud at closing time, the living environment around the influence.
The purpose of this utility model is to provide a kind of antitheft, pick-proof, the anti-performance of pounding good, and impact resistance is strong, and the sound of closing the door is little, safe in utilization, reliable, firm insurance lock:
The utility model is achieved in that linkage and the lock core that four keratotic plugs in the actuator chamber, stop bolt move is installed in the door lock chamber that insurance lock is made of cover plate, lock housing, lock housing plate to be formed, and linkage is for being fixed on the lock housing, the twisting plate that has circle cover, torsion spring rotates ox horn with handle and matches, be installed in the top of baffle plate and be mated, baffle plate ties by torsion spring and stop and connects, rotating ox horn cooperates with four keratotic plugs that have torsion spring, tongue piece on the lock core cooperates with the rotation ox horn, drives three keratotic plugs, baffle plate by interlock plate.
Fig. 1. structural representation of the present utility model (taking away cover plate).
Fig. 2. the left view of Fig. 1 (taking away the side plate of lock housing).
Fig. 3. the A-A view of Fig. 1.
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Cover plate has the flat board (province's sketch map) of large and small through hole and long slot bore on being.
Four keratotic plugs (1) one end is a cuboid, and an end is the slide block of shape, and is fluted on the upper surface, and three travellers are arranged on the soffit.
Three keratotic plugs (2) one ends are middle jagged, three keratotic plug heads that both sides are tapered plane, and other holds and is with spring on the cylinder pull bar, have in the middle of the breach transverse axis, nested end surface shape and tapered plane be complementary, on the bolt angle (3) of arc notch is arranged.
Stop bolt (4) one ends are the rectangle that tapered plane is arranged, and an end has two through hole on being, the vertical gusset that the end struts towards both sides.
Lock housing plate (6) on the rectangular plate of through hole and rectangular opening is arranged.
Twisting plate (10) is that an end has through hole, and end has arc port, mid portion that the strip of strengthening gusset is arranged in addition.
Baffle plate (11) two edges are arc, and the projection (21) of lower end band concave ring groove and the flat bar of through hole are arranged on the end face.
Positioning seat (12) is that the jagged cross section of a side is recessed.
Interlock plate (13) has a fixed leg for there are plane and the vertical strip that pulls out hook in two ends on the lower surface.
Rotate ox horn (15) one ends for stirring bar, an end is the fork-shaped that arc notch is arranged, and can install in the middle square hole to change and turn round (figure omits).
Handle rotates ox horn (9) has two pawls by two one sides, one side is middle arc jaggy (non-notch), upper and lower two handles of middle square hole rotate ox horn, connect into the middle cover on the end face in the middle of being enclosed within wholely to constitute, can be in door, respectively adorn the leader in the square hole outdoors.
Lock housing (7) is three limit crimpings, the box-like that has through hole, screw of openings at one side, four jiaos of fixed legs that the band screw is arranged at the bottom of the box, there is the chute (18) of two and a long waist shaped to reach positioning seat (12) and the fixed leg (19) vertical at the bottom of the box of middle and four keratotic plugs (1), stop bolt (4) relevant position respectively, a fixed leg is arranged by the lock core (17) with chute (18) direction.Lock housing plate (6) is screwed on the crimping of lock housing (7) opening part two correspondences.
At first baffle plate (11) is enclosed within the bottom of lock housing (7) box on the fixed leg (19) with the through hole on it, outside fixed leg (19), be with circle cover (20), and the twisting plate (10) that will be mated has an end of through hole to be enclosed within on the fixed leg of band screw on lock housing (7) angle, overcoat circle cover (20) makes the arc notch on it cooperate with projection (21) on the baffle plate (11).Three keratotic plugs (2) are installed on the positioning seat (12) again, make its drag link end at baffle plate (11), above the twisting plate (10), four keratotic plugs (1), stop bolt (4) utilize traveller and the gusset on it to insert in the chute (18) of lock housing (7) cassette holder respectively.
The lock core (17) that has tongue piece (16) is fixed in the screw at the bottom of the box.
Handle rotates ox horn (9), and rotation ox horn (15) embeds respectively in the through hole at the bottom of the box and cooperates with twisting plate (10), four keratotic plugs (1).
The holder (14) of band through hole is screwed at the bottom of the box, and interlock plate (13) inserts in holder (14) through hole fixing with the fixed leg on it, and an end cooperates with tongue piece (16), and other holds at three keratotic plugs (2) above the pull bar.
Circle cover (20) on baffle plate (11) is outer to be with two torsion springs (5), and the one end inserts respectively in the two through hole on the stop bolt (4), and the other end one embeds in the breach of positioning seat (12) side, in the concave ring groove of embedding projection (a 21) lower end.
Also be with a torsion spring (5) respectively outside the fixed leg that circle cover (20) is outer and lock core (7) is other of twisting plate (10) one ends, the one end bearing is at the bottom of the box, and end is bearing in respectively on twisting plate (10) and the rotation ox horn (5) in addition.
Locating piece (8) is inserted in handle and rotates at the bottom of the breach of ox horn (9) and the box in the through-hole groove.
Cover cover plate and connect whole insurance lock, be contained in the door and just can have used with four screws.
During use; can close the door without key; as long as push away; pull handle door shut after; stop bolt (4) contracts in trend lock housing (7); utilize torsion spring on it (5) _ effect; connected baffle plate (11) is rotated; forward position shown in Fig. 1 imaginary line to; one end of baffle plate (11) arrives to the afterbody of three keratotic plug tightening latches; three keratotic plugs (2) are pinned, and this moment, if contract after will all can't making three keratotic plugs (2) with inserted block or other thing picking lock, can not open the door played a protective role outdoors; and the people in the door needs only swing handle, and drive twisting plate (10) makes baffle plate (11) throw off three keratotic plugs (2) by projection (21) and just can open the door.As long as there is key also can open the door outdoors, key inserts lock core (17) and rotates, thereby drive tongue piece (16) swing, tongue piece (16) drives interlock plate (13) again and makes its termination back down projection (21) on the baffle plate (11) to remove locking to three keratotic plugs (2), simultaneously drive three keratotic plugs (2) again and inwardly move back, make a unlatching.
If at closing time with key, lock core (17) drives tongue piece (16) rotation and drives rotation ox horn (15) by the fork-shaped breach, rotate the dead man of ox horn (5) one ends and the groove fit on four keratotic plugs (1) slide block, four keratotic plugs (1) outward direction is moved, utilize torsion spring (5) effect to make four keratotic plugs (1) locked, the slider end on it withstands three keratotic plugs (2) again, does not allow it retreat, four keratotic plugs (1), three keratotic plugs (2) are all pinned simultaneously, under strong wallop, can not destroyed.If baffle plate (11) is destroyed, cause stop bolt (4) to lose efficacy, four keratotic plugs this moment (1) play the effect of twin-lock equally.
During if turn the key in the lock, tongue piece (16) rotating drive is rotated ox horn (15), removes the effect of torsion spring (5), make four keratotic plugs (1) withdrawal original position, simultaneously interlock plate (13) makes its termination back down projection (21) on the baffle plate (11), drives three keratotic plugs (2) and inwardly moves back, and finishes the action of opening door.
The utility model compared with prior art.Therefore the linkage of lock is made of the many groups of moving parts that are associated, and flexible movements, light and handy, reliable, four keratotic plugs have double action, can not only self-locking, can also pin three keratotic plugs, and so just increased the pick-proof of this lock, antitheft.The protecting against shock ability.Also has the stop bolt simultaneously, close and also can pin three keratotic plugs behind the door, therefore more increased reliability, the fastness of three keratotic plugs, and the end of three keratotic plugs also is connected with bolt angle (3) and makes the bolt head pin door from two different directions, so safety and reliability, can alleviate the sound of closing the door again simultaneously.
Claims (3)
1. insurance lock, by cover plate, lock housing (7), four keratotic plugs (1) in the actuator chamber are installed in the door lock chamber that lock housing plate (6) constitutes, three keratotic plugs (2), linkage that stop bolt (4) moves and lock core (17) are formed, it is characterized in that linkage is for being fixed on the lock housing (7), have circle cover (20), the twisting plate (10) of torsion spring (5) rotates ox horn (9) with handle and matches, be installed in above the baffle plate (11) and be mated, baffle plate (11) is connected with stop bolt (4) by torsion spring (5), rotating ox horn (15) cooperates with four keratotic plugs (1) that have torsion spring (5), tongue piece (16) on the lock core (17) cooperates with rotation ox horn (15), drive three keratotic plugs (2), baffle plate (11) by interlock plate (13).
2. door lock according to claim 1, it is characterized in that three keratotic plugs (2) one ends are for middle jagged, both sides are three keratotic plug heads of tapered plane, other holds on the cylinder pull bar and is with spring, one transverse axis is arranged in the middle of the breach, be nested with end surface shape and tapered plane is complementary, on the bolt angle (3) of arc notch is arranged, four keratotic plugs (1) one end is a cuboid, one end is the slide block of shape, fluted on the upper surface, three travellers are arranged on the soffit, stop bolt (4) one ends are the rectangle that tapered plane is arranged, one end has two through hole on being, the vertical gusset that the end struts towards both sides, four keratotic plugs (1), stop bolt (4) utilizes respectively in the chute (18) at the bottom of traveller on it and gusset insert lock housing (7) box, and three keratotic plugs (2) are installed on the positioning seat (12), its drag link end is in the baffle plate that matches (11), above the twisting plate (10), twisting plate (10) is that an end has through hole, and end has arc notch, mid portion that the strip of strengthening gusset is arranged in addition.
3. door lock according to claim 1, it is characterized in that baffle plate (11) two edges are arc, the projection (2) of lower end band concave ring groove and the flat bar of through hole are arranged on one end face, be with two torsion springs (5) outside the circle cover (20) on baffle plate (11), the one end inserts respectively in the two through hole on the stop bolt (4), and the other end one embeds in the breach of positioning seat (12) side, one embeds in the concave ring groove of projection (21) lower end, interlock plate (13) has plane and the vertical strip that pulls out hook for two ends, one fixed leg is arranged on the lower surface, be screwed in the through hole of holder (14) at the bottom of lock housing (7) box with the insertion of the fixed leg on it, an end cooperates with tongue piece (16) to be held at three keratotic plugs (2) above the pull bar in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220168 CN2310843Y (en) | 1997-07-04 | 1997-07-04 | Safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220168 CN2310843Y (en) | 1997-07-04 | 1997-07-04 | Safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2310843Y true CN2310843Y (en) | 1999-03-17 |
Family
ID=33935920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97220168 Expired - Fee Related CN2310843Y (en) | 1997-07-04 | 1997-07-04 | Safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2310843Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201296A (en) * | 2015-09-18 | 2015-12-30 | 嘉兴美可泰科技有限公司 | Super-series lock |
-
1997
- 1997-07-04 CN CN 97220168 patent/CN2310843Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201296A (en) * | 2015-09-18 | 2015-12-30 | 嘉兴美可泰科技有限公司 | Super-series lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |