CN1912318B - Anti-insert device of mortise door lock - Google Patents
Anti-insert device of mortise door lock Download PDFInfo
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- CN1912318B CN1912318B CN2006100371878A CN200610037187A CN1912318B CN 1912318 B CN1912318 B CN 1912318B CN 2006100371878 A CN2006100371878 A CN 2006100371878A CN 200610037187 A CN200610037187 A CN 200610037187A CN 1912318 B CN1912318 B CN 1912318B
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- block
- inserted block
- safety tongue
- dead bolt
- rotating shaft
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Abstract
A inserting proof unit of door lock in insertion type is prepared as jacketing safety bolt on rotary shaft in slide way and fixing rotary shaft on lock shell, setting insertion proof block under safety bolt as its tail end being jacketed on rotary shaft in rotary way, setting groove at internal side of insertion proof block and setting convex shoulder on pulling block of lock bolt, setting torsional spring between safety bolt and insertion proof block and jacketing it on rotary shaft as supporting its first free end on internal wall of lock shell and the second one on external side edge of insertion proof block.
Description
Technical field
The present invention relates to lockset, be specifically related to a kind of anti-plug device of mortise door lock.
Background technology
In existing like product, a lot of lock bodies all are provided with anti-inserting structure, but there are defectives such as member is many, complex structure, cost height, assembling trouble, China Patent No. CN200420094269.2 for example, open day on October 19th, 2005, invention and created name is the mortise door lock that has anti-plugging function, this application case discloses a kind of mortise door lock that has anti-plugging function, its weak point is that anti-plugging function is to drive driver blade by anti-tongue, drive the anti-plug insurance by driver blade again, realize anti-plugging function, its anti-inserting structure is still complicated, the cost height.
Summary of the invention
At the deficiencies in the prior art, the present invention proposes a kind of anti-plug device of simple in structure, a kind of mortise door lock that cost is low, safe and reliable.
In order to achieve the above object, the present invention takes following technical scheme:
A kind of anti-plug device of mortise door lock comprises safety tongue 2, anti-inserted block 3, rotating shaft 4, torsion torsion spring 5 and dead bolt pulling block 7.Safety tongue 2 is sleeved in the rotating shaft 4 slidably; Described rotating shaft 4 is fixed on the lock housing.Described anti-inserted block 3 places the below of safety tongue 2 and tail end to be sleeved on rotationally in the rotating shaft 4; The lead 21 that safety tongue 2 bottoms are provided with stretches in the cashew nut shape gathering sill 31 that is provided with in the middle of the anti-inserted block 3 slidably; Position, described anti-inserted block 3 inner side edge middle and upper part is provided with vertebra connected in star 33, and described dead bolt pulling block 7 tops are provided with convex shoulder 71 by anti-inserted block 3 sides; Described convex shoulder 71 stretches in the vertebra connected in star 33; Described torsion torsion spring 5 places between safety tongue 2 and the anti-inserted block 3 and is sleeved in the rotating shaft 4, and first free end is supported on lock-shell lining, and second free end is supported on the outer side edges of anti-inserted block 3.
Above-mentioned safety tongue 2 is the devices with anti-inserted block 3 and dead bolt pulling block 7 interlocks, comprises strip groove 23 and tension spring 6.Safety tongue 2 rearward end are provided with strip groove 23 and slidably safety tongue 2 are sleeved in the rotating shaft 4; Tension spring 6 is placed in the strip groove 23, and an end withstands rotating shaft 4, and the other end withstands the roof of strip groove 23, thereby can rotating shaft 4 be fulcrum, drives safety tongue 2 and slides along rotating shaft 4.
Above-mentioned safety tongue 2 bottoms also are provided with lead 21, and lead 21 stretches into the gathering sill 31 that is provided with in the middle of the anti-inserted block 3, and can slide along gathering sill 31.The epimere part of lead 21 is provided with the convex post 22 of an external diameter greater than lead 21, thus lower flat that can be by this convex post 22, untouchable be pressed in anti-inserted block 3 above, prevent from that inserted block 3 from producing to beat or stifled card problem in rotation process.
The front end bottom of above-mentioned safety tongue 2 also is provided with boss 24.Boss 24 is the positions that contact with external object such as doorframe, and when safety tongue 2 shrinks, spatially may conflict with anti-inserted block 3 tops in its inboard.So the bottom of boss 24 is provided with empty avoiding inclined-plane 26, correspondingly, in the anti-inserted block 3 tops outsides, the inclined-plane adaptive with empty avoiding inclined-plane 26 also is set, the top of so not only can empty avoiding preventing inserted block 3, prevent that both from conflicting in motion process, can increase the overall mechanical strength at safety tongue 2 tops again.
Above-mentioned anti-inserted block 3 is locking dead bolts 8 and prevent the parts that dead bolt 8 is regained improperly under the state of closing the door.Anti-inserted block 3 is sleeved in the rotating shaft 4 rotationally by its aft mounted hole 32; The centre of anti-inserted block 3 is provided with gathering sill 31, and the lead 21 of safety tongue 2 bottoms can slide in this gathering sill 31.
The shape of gathering sill 31 is, from gathering sill 31 tail ends, outside vallecular cavity diagonally extending slightly laterally forms skew wall face 34, inboard vallecular cavity is after the inboard extends to form wall 36, by the skew wall face 35 that tilts to the inside skew wall face 34 and wall 36 are coupled together again, make whole gathering sill 31 be approximate cashew nut shape.Above-mentioned skew wall face 34 can not be the inclined plane, but the wall parallel with wall 36.Secondly, the width of gathering sill 31 is greater than the external diameter of lead 21, so, when at safety tongue 2 because of being forced when afterbody retreats, the lead 21 of its underpart returns to gathering sill 31 tail ends, the gap that exists between gathering sill 31 and the lead 21 can guarantee that anti-inserted block 3 is fulcrum needed gap when turning to the inside with rotating shaft 4; In safety tongue 2 stretched out process outside the lock body, the lead 21 of its underpart moved forward in gathering sill 31, and with skew wall face 35 relative sliding processes in force to promote anti-inserted block 3 and laterally rotate, remove the anti-plug state of anti-inserted block 3.
The position, inner side edge middle and upper part of above-mentioned anti-inserted block 3 is provided with the gradual change connected in star 33 that is vertebra shape.Groove 33 main with convex shoulder 71 routing motions that are arranged on the dead bolt pulling block 7, the convex shoulder 71 that is provided with on it can slide along groove 33 diapires.The gradual change connected in star 33 of vertebra shape, exactly when dead bolt pulling block 7 is done the straight path withdrawal, the diminishing structure in gap between anti-inserted block 3 and the convex shoulder 71, the elastic force of forcing the anti-inserted block 3 of promotion to overcome torsion torsion spring 5 laterally rotates.For realizing this purpose, groove 33 also can be to be positioned at anti-inserted block 3 inner side edge middle and upper parts, and an inclined-plane 33 that begins to tilt gradually from anti-inserted block 3 inner side edge middle and upper parts, all is the application that is equal to.
Above-mentioned dead bolt pulling block 7, one ends are connected separably with handle moving block 1 and are driven by it, and the other end is connected with dead bolt 8, and can draw dead bolt 8 and move along straight path.When dead bolt pulling block 7 inwardly shrinks, drive safety tongue 2 and inwardly shrink, lead 21 returns to gathering sill 31 tail ends; At this moment, be arranged on the dead bolt pulling block 7 convex shoulder 71, groove 33 in, slide, force to promote to prevent that the elastic force that inserted block 3 overcomes torsion torsion spring 5 laterally rotates by anti-inserted block 3 sides.
In order to make dead bolt pulling block 7 and safety tongue 2 form interlock, on dead bolt pulling block 7, lean on safety tongue 2 sides, block 72 is set, tail end at safety tongue 2 is provided with block 25, when dead bolt pulling block 7 caudad inwardly shrinks in other words, block 72 promotes block 25 drive safety tongues 2 and caudad shrinks, thereby forms the relation of being in transmission connection.Like this, no matter in the process of opening the door or the process of closing the door, during swing handle moving block 1, just can be contracted in safety tongue 2, dead bolt 8 in the lock body simultaneously, make door open or close Shi Buhui generation safety tongue 2, dead bolt 8 and doorframe generation friction sound, reach quiet effect, the application life of also having improved lock body simultaneously.
Above-mentioned torsion torsion spring 5 is sleeved in the rotating shaft, and first free end is supported on lock-shell lining, also can be supported on other the fixing fulcrum on the lock housing, and second free end is supported on the outer side edges of anti-inserted block 3, imposes the moment of elasticity that turns to the inside for anti-inserted block 3.
The course of work of above-mentioned anti-plug device is as follows:
After door was closed, dead bolt 8 stretched out lock body, and doorframe is forced safety tongue 2 to push back in the lock body.At this moment, tension spring 6 is compressed, the lead 21 of safety tongue 2 bottoms is forced to return to the tail end of the gathering sill 31 of preventing inserted block 3 centres, torsion torsion spring 5 also promotes to prevent that inserted block 3 turns to the inside simultaneously, the result makes the top of anti-inserted block 3 withstand the track that retreats of dead bolt 8, and it can not be withdrawn along movement locus.
When opening the door or at closing time, the handle moving block 1 of rotation drives dead bolt pulling block 7 and dead bolt withdrawal, is arranged on the block 72 on the dead bolt pulling block 7 this moment, drives the block 25 of safety tongue 2, makes safety tongue 2 caudad withdrawal simultaneously; Simultaneously, the convex shoulders 71 that stretch in the groove 33 also caudad slide, because the gradual change shape structure of anti-inserted block 3 inner side edge grooves 33, can force to promote the elastic force that anti-inserted block 3 overcomes torsion torsion spring 5 and laterally rotate, make the top of preventing inserted block 3 leave the withdrawal track of dead bolt 8, dead bolt 8 can freely be regained.
After door is opened, decontrol the lock handle, dead bolt 8 and safety tongue 2 freely stretch out lock body once more, at this moment, the lead 21 of safety tongue 2 bottoms moves along the front end straight line of the gathering sill 31 of hypotenuse 34 in the middle of anti-inserted block 3, and by with the relative slip on inclined-plane 35, promote anti-inserted block 3 and laterally rotate, remove the anti-plug state of anti-inserted block 3.
In the above description, be basic point with described rotating shaft 4, the position at rotating shaft 4 places is the tail end of anti-inserted block 3 or safety tongue 2; With described rotating shaft 4 is that basic point rotates to clockwise direction, is called direction rotation to the inside, otherwise is called direction rotation laterally.Anti-inserted block 3 is an inner side edge with the side that dead bolt pulling block 7 closes on mutually, otherwise for preventing the outer side edges of inserted block 3.
Since take technique scheme, anti-plug device provided by the invention have simple in structure, member is few, stable performance, characteristics that manufacturing cost easy to assembly is low.
This present invention can be widely applied in the various mortise door locks.
Description of drawings
Fig. 1 is an assembly structure figure of the present invention;
Fig. 2 is a component-assembled structure chart of the present invention;
Fig. 3 is a safety tongue front view of the present invention;
Fig. 4 is a safety tongue vertical view of the present invention;
Fig. 5 is that safety tongue of the present invention is faced upward upward view;
Fig. 6 is the anti-inserted block stereogram of the present invention;
Fig. 7 is the anti-inserted block front view of the present invention;
Fig. 8 is a dead bolt pulling block stereogram of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment, the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of anti-plug device of mortise door lock comprises safety tongue 2, anti-inserted block 3, rotating shaft 4, torsion torsion spring 5, tension spring 6 and dead bolt pulling block 7.
As shown in Figure 2, anti-inserted block 3 places the below of safety tongue 2.As shown in Figure 6 and Figure 7, afterbody is provided with hole 32 and is sleeved on rotationally in the rotating shaft 4 by hole 32; In the middle of the anti-inserted block 3 gathering sill 31 is set, the shape of gathering sill 31 is, from gathering sill 31 tail ends, outside vallecular cavity diagonally extending slightly laterally forms skew wall face 34, inboard vallecular cavity is after the inboard extends to form wall 36, by the skew wall face 35 that tilts to the inside skew wall face 34 and wall 36 are coupled together again, make whole gathering sill 31 be approximate cashew nut shape.
As Fig. 3 and shown in Figure 5, safety tongue 2 bottoms are provided with lead 21, and lead 21 stretches in this cashew nut shape gathering sill 31, and can slide in gathering sill 31; The width of gathering sill 31 is greater than the external diameter of lead 21.The epimere part of lead 21 is provided with the convex post 22 of external diameter greater than lead 21, thus lower flat that can be by this convex post 22, untouchable be pressed in anti-inserted block 3 above, prevent from that inserted block 3 from producing to beat or stifled card problem in rotation process.
As Fig. 3 and shown in Figure 5, the front end bottom of safety tongue 2 is provided with boss 24.The bottom of boss 24, design empty avoiding inclined-plane 26, the top of so not only can empty avoiding preventing inserted block 3 prevents that both from conflicting in motion process, can increase the overall mechanical strength at safety tongue 2 tops again.
As shown in Figure 6 and Figure 7, anti-inserted block 3 inner side edges middle part is provided with gradual change vertebra connected in star 33, makes and prevents that the gap dwindles gradually between inserted block 3 inner side edges middle part and the convex shoulder 71.As Fig. 2 and shown in Figure 8, by a side of anti-inserted block 3, convex shoulder 71 is set on dead bolt pulling block 7 tops; Described convex shoulder 71 stretches in the vertebra connected in star 33.Above-mentioned dead bolt pulling block 7, one ends are connected separably with handle moving block 1 and are driven by it, and the other end is connected with dead bolt 8, and can draw dead bolt 8 and move along straight path.When dead bolt pulling block 7 caudad shrinks, drive safety tongue 2 and caudad shrink, lead 21 returns to gathering sill 31 tail ends; At this moment, be arranged on the dead bolt pulling block 7 convex shoulder 71, groove 33 in, slide, force to promote to prevent that the elastic force that inserted block 3 overcomes torsion torsion spring 5 laterally rotates by anti-inserted block 3 sides.
In order to make dead bolt pulling block 7 and safety tongue 2 form interlock, as shown in Figure 8, on dead bolt pulling block 7, lean on safety tongue 2 sides, block 72 also is set, as shown in Figure 1 and Figure 4, tail end at safety tongue 2 is provided with block 25, and when dead bolt pulling block 7 caudad shrank, block 72 promoted block 25 drive safety tongues 2 and caudad shrinks.
As shown in Figure 2, torsion torsion spring 5 places between safety tongue 2 and the anti-inserted block 3 and is sleeved in the rotating shaft 4, and first free end is supported on lock-shell lining, and second free end is supported on the outer side edges of anti-inserted block 3, imposes the moment of elasticity that turns to the inside for anti-inserted block 3.
Claims (4)
1. the anti-plug device of a mortise door lock comprises safety tongue (2), anti-inserted block (3), rotating shaft (4), torsion torsion spring (5) and dead bolt pulling block (7), and safety tongue (2) is sleeved in the rotating shaft (4) slidably; Described rotating shaft (4) is fixed on the lock housing; It is characterized in that:
Described anti-inserted block (3) places the below of safety tongue (2) and tail end to be sleeved on rotationally in the rotating shaft (4); The lead (21) that safety tongue (2) bottom is provided with stretches in the cashew nut shape gathering sill (31) that is provided with in the middle of the anti-inserted block (3) slidably;
Described anti-inserted block (3) is the inner side edge of described anti-inserted block (3) with the side that described dead bolt pulling block (7) closes on mutually, otherwise is the outer side edges of described anti-inserted block (3);
Position, described anti-inserted block (3) inner side edge middle and upper part is provided with vertebra connected in star (33), and described dead bolt pulling block (7) top is provided with convex shoulder (71) by anti-inserted block (3) side; Described convex shoulder (71) is slidingly matched with vertebra connected in star (33);
Described torsion torsion spring (5) places between safety tongue (2) and the anti-inserted block (3) and is sleeved in the rotating shaft (4), and first free end is supported on lock-shell lining, and second free end is supported on the outer side edges of anti-inserted block (3).
2. the anti-plug device of a kind of mortise door lock according to claim 1, it is characterized in that: the epimere part of described lead (21) is provided with the convex post (22) of external diameter greater than lead (21).
3. the anti-plug device of a kind of mortise door lock according to claim 1 and 2 is characterized in that: by safety tongue (2) side, block (72) is set on the described dead bolt pulling block (7); Block (25) is set and can be in transmission connection at the tail end of safety tongue (2) with block (72).
4. the anti-plug device of a kind of mortise door lock according to claim 3, it is characterized in that: described safety tongue (2) front end bottom is provided with boss (24), and the bottom of boss (24) is provided with empty avoiding inclined-plane (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100371878A CN1912318B (en) | 2006-08-25 | 2006-08-25 | Anti-insert device of mortise door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100371878A CN1912318B (en) | 2006-08-25 | 2006-08-25 | Anti-insert device of mortise door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1912318A CN1912318A (en) | 2007-02-14 |
| CN1912318B true CN1912318B (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100371878A Expired - Fee Related CN1912318B (en) | 2006-08-25 | 2006-08-25 | Anti-insert device of mortise door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1912318B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010008016U1 (en) * | 2010-07-08 | 2010-09-09 | Dorma Gmbh + Co. Kg | Lock bolt lock with improved safety |
| CN105587170A (en) * | 2015-12-18 | 2016-05-18 | 宁波埃迪五金工贸有限公司 | T-shaped lock |
| CN107178248A (en) * | 2017-07-01 | 2017-09-19 | 中山欧朗金属制品有限公司 | The anti-plug tongue structure of lock body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672714A (en) * | 1970-09-28 | 1972-06-27 | Eaton Corp | Mortise lock with multiple functions |
| US4353582A (en) * | 1978-07-31 | 1982-10-12 | Willi Eigemeier | Door lock with two lock case portions disposed in parallel opposed relationship |
| CN2550457Y (en) * | 2002-05-31 | 2003-05-14 | 张良辉 | Convenient insert core lock |
| CN2603169Y (en) * | 2003-01-28 | 2004-02-11 | 固力保安制品有限公司 | Oblique bolt plug-core lock with safety means |
| CN2734925Y (en) * | 2004-10-22 | 2005-10-19 | 陆小强 | Insert core door lock with plug proof function |
| CN200946387Y (en) * | 2006-08-25 | 2007-09-12 | 曹湛斌 | Anti-inserting device for latch lock |
-
2006
- 2006-08-25 CN CN2006100371878A patent/CN1912318B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672714A (en) * | 1970-09-28 | 1972-06-27 | Eaton Corp | Mortise lock with multiple functions |
| US4353582A (en) * | 1978-07-31 | 1982-10-12 | Willi Eigemeier | Door lock with two lock case portions disposed in parallel opposed relationship |
| CN2550457Y (en) * | 2002-05-31 | 2003-05-14 | 张良辉 | Convenient insert core lock |
| CN2603169Y (en) * | 2003-01-28 | 2004-02-11 | 固力保安制品有限公司 | Oblique bolt plug-core lock with safety means |
| CN2734925Y (en) * | 2004-10-22 | 2005-10-19 | 陆小强 | Insert core door lock with plug proof function |
| CN200946387Y (en) * | 2006-08-25 | 2007-09-12 | 曹湛斌 | Anti-inserting device for latch lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1912318A (en) | 2007-02-14 |
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Owner name: GUANGDONG ARCHIE HARDWARE CO., LTD. Free format text: FORMER OWNER: CAO ZHANBIN Effective date: 20110616 |
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Free format text: CORRECT: ADDRESS; FROM: 528231 INSIDE OF GUANGDONG ARCHIE HARDWARE CO., LTD., CHANGGANG NORTH ROAD,CHANGHONGLING INDUSTRIAL PARK, DALI, NANHAI, FOSHAN CITY, GUANGDONG PROVINCE, NANHAI DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE TO: 528231 CHANGGANG NORTH ROAD, CHANGHONGLING INDUSTRIAL PARK, DALI, NANHAI DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110616 Address after: Nanhai Dali Changhong ridge industrial garden in Guangdong province Foshan City Gang Road 528231 Patentee after: Guangdong Archie Hardware Co., Ltd. Address before: 528231 Guangdong Province Nanhai District of Foshan City, Guangdong Province, Foshan City Nanhai Dali Changhong ridge industrial director Gang Bei Lu Guangdong Yajie Hardware Co. Ltd. in Patentee before: Cao Zhanbin |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20150825 |
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