CN102979383B - Internal clamping type lock - Google Patents
Internal clamping type lock Download PDFInfo
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- CN102979383B CN102979383B CN201210564996.XA CN201210564996A CN102979383B CN 102979383 B CN102979383 B CN 102979383B CN 201210564996 A CN201210564996 A CN 201210564996A CN 102979383 B CN102979383 B CN 102979383B
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Abstract
An internal clamping type lock is provided with an internal clamping type lock tongue movement mechanism in a lock box; the internal clamping type lock tongue movement mechanism consists of a connecting rod base, a rotating shaft, a connecting rod, a rolling shaft, internal clamping type lock tongues, a lock tongue movement trajectory side plate, a lock box front cover and a fixed plate. An unlocking power mechanism drives a rack to linearly move front and back, and then one pair of internal clamping type lock tongues is driven through the internal clamping type lock tongue movement mechanism to perform front-back curvilinear movement and to be clamped or opened with corresponding lock catch boxes. The internal clamping type lock solves the problems that double doors, double-leaf or single-leaf sliding doors and the like cannot be firmly and reliably locked and straight lock tongue type door locks are weaker in anti-prying performance, has the advantages of wide application range, simplicity in and convenience for use, high mechanical strength and excellent anti-prying and antitheft performance, and creates new elements for development of the lock industry.
Description
Technical field
The present invention relates to the technical field of lock, particularly a kind of interior pincers type lock.
Background technology
For double door, in the situation that not fixing Yishanmen, straight dead bolt lock is difficult to double door to lock, because locking rear shake two fan door bodies is just easy to deviate from and be opened because mutually swing the excessive dead bolt that causes of angle forming between keeper and dead bolt, and for sliding door, what general straight dead bolt lock especially cannot locking door body.So at present general employing of double door on the market and biparting sliding door installed U-shaped large padlock or locked a door by the method for locking again cylinder lock after iron chains tighten between two door handles, this not only inconvenience but also dangerous yet not attractive in appearance of method of locking a door, does not catch up with the requirements of the times of people's aesthetic and hommization.And straight dead bolt prizes power while being locked in by sled can be directly delivered to lock body inside, and in the time that lock body is inner destroyed, door lock will be opened, pick-proof poor-performing.And only also not have on the market now with a lock with regard to energy solid and reliable lock the product of double door or biparting sliding door.
Chinese patent communique discloses the one " glass door handle lock " that notification number is CN201635493U, and it is mainly made up of handle, gear drive, clutch, lock core and stubborn hand, straight rod-shaped dead bolt, transverse tube, slide.Wherein gear drive comprises gear, rack and pinion seat, and clutch comprises axle bed, spring and axle.Gear and tooth bar engagement, stubborn hand strap has a pin, and lock core and axle bed plug-in mounting, be equipped with spring and axle in axle bed, and axle inserts gear and is connected with it from outer end.When at rotational lock core outdoors, gear is driven to rotate; When press stubborn hand in door time, stubborn pin on hand can insert gear and be connected with it from the inner, the axle being originally connected with gear is ejected to gear simultaneously, makes axle and gear disengaging, and hand is twisted in now rotation, and gear can be driven to rotate.The rotation of gear can drive the tooth bar being engaged with to carry out rectilinear motion, thereby straight rod-shaped dead bolt horizontal direction is released to lock body or regained in lock body.This lock is only suitable for using on single door, if be arranged on double door, when in the time that latch position is firmly rocked by people, between straight rod-shaped dead bolt and snap close, can form larger angle, cause dead bolt to depart from snap close and be opened, and for single fan or biparting sliding door, what this door lock especially cannot locking door body.And the lock body of this handle lock is arranged in the pipe outer side edges of interior handle pipe, and between door, leave one section of very large distance, such design is unreasonable, mounting means very built on the sand, once prizing pine, pick-proof, anti-push-and-pull, protecting against shock, theftproof performance are poor, are also easy to damage because of collision.
Summary of the invention
The object of the present invention is to provide a kind of interior pincers type lock, it has solved double door or biparting sliding door or single fan sliding door etc. can not solid and reliable locking and the problem of straight dead bolt lock pick-proof poor-performing, this interior pincers type lock can clamp together locking with interior jaw type dead bolt securely two fan door bodies or sliding door body and keeper, its scope of application is extensive, easy to install and use, mechanical strength is high, and pick-proof, anti-push-and-pull, protecting against shock, theftproof performance are superior.
Technical solution proposed by the invention is such: pincers type lock in a kind of, comprise lock box 11, keeper 17, rack-and-pinion fastening devices, unblank actuating unit 16 and power transmission shaft 15, the gear 9 of this rack-and-pinion fastening devices and tooth bar 8 are placed in rack-and-pinion holder 12 also intermeshing, this actuating unit 16 of unblanking is connected with gear 9 by power transmission shaft 15, also be provided with interior jaw type dead bolt motion, be contained in interior jaw type dead bolt motion in lock box 11 by connecting rod base 7, pair of rotary axes 6, pair of links 5, the a pair of axis of rolling 4, a pair of interior jaw type dead bolt 3, a pair of dead bolt movement locus side plate 2, lock box protecgulum 1 and fixed head 10 form, described connecting rod base 7 rear portions are connected with tooth bar 8 leading sections, be flexibly connected with one end of symmetrical pair of links 5 respectively by pair of rotary axes 6 symmetrically in the upper and lower of connecting rod base 7, the other end of pair of links 5 is flexibly connected with the rear portion of a pair of interior jaw type dead bolt 3 respectively by a pair of axis of rolling 4, the a pair of axis of rolling 4 two terminal circle cylindricality axle heads are bearing in respectively and are positioned at a left side, in the corresponding movement locus groove 2-1 of a pair of dead bolt movement locus side plate 2 of right both sides, unblank before actuating unit 16 is with carry-over bar 8 rectilinear motions drive a pair of interior jaw type dead bolt 3 to do before and after doing, rear curvilinear motion also clamps together or opens with corresponding keeper 17.
Described have the fixed head 10 that tooth bar 8 passes to be fixedly connected with the rearward end of a pair of dead bolt movement locus side plate 2, fixed head 10 middle parts have a square opening, this square opening is the moving conduit of tooth bar 8, described lock box protecgulum 1 is fixed on lock box 11 leading sections and is fixedly connected with the leading section of a pair of dead bolt movement locus side plate 2, the upper and lower of lock box protecgulum 1 is respectively equipped with a square opening, and this square opening is the moving conduit of a pair of interior jaw type dead bolt 3.
The outside of described interior jaw type dead bolt 3 is convex globoidal, and its inner face is provided with V-shaped groove 3-2, becomes interior hook-shape lock tongue, and the rear portion of described interior jaw type dead bolt 3 is provided with pick-proof projection 3-1.
Compared with prior art, the present invention has following remarkable result:
Interior pincers type lock of the present invention is owing to being provided with interior jaw type dead bolt motion between tooth bar front end and keeper, make hook-shape lock tongue in a pair can under power drive, do by default movement locus anterioposterior curve motion, realize the sealed of keeper or open, having solved the problem that double door or biparting sliding door or single fan sliding door etc. can not be locked solid and reliablely.Simultaneously, because the rear portion of hook-shape lock tongue in a pair is respectively equipped with four pick-proof projections, when by sled, lock box protecgulum is withstood, and the V-shaped groove of dead bolt hooks tight keeper, dead bolt cannot be thrown off, solved existing straight dead bolt and be locked in the problem that while sled, dead bolt is easily thrown off.In this, the actuating unit of unblanking of pincers type lock can adopt existing lock core unlocking mechanism, manual unlocking mechanism, driven opening latch mechanism etc., in this, pincers type lock can be installed one or more unlocking mechanism, this actuating unit of unblanking can be arranged on the one or both sides of lock box, and in this, pincers type lock can be applied in the field of the locks such as door lock, handle lock, safe lock.Pincers type lock scope of application is extensive in this, installs, easy to use, and applicability is wide, and mechanical strength is high, and pick-proof, antitheft, preventing destructing performance is superior.Be specially adapted to double door and single, double fan sliding door.In this, pincers type lock has solved innovatively all the time and has coordinated straight dead bolt lock could lock the problem of double door and the locking problem of biparting sliding door with Tiandi lock, make double door and biparting sliding door only need to an interior pincers type lock just can be solid and reliable lock, for the development of lock industry has increased new element.
Brief description of the drawings
Fig. 1 is the profile schematic diagram of the interior pincers type lock of one embodiment of the invention.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of interior pincers type lock shown in Fig. 1.
Fig. 3 is that shown in Fig. 1, interior pincers type lock is crossed the X-axis of rectangular co-ordinate and the schematic cross-section of Z axis, and now the dead bolt of interior pincers type lock is in opening;
Fig. 4 is that shown in Fig. 1, interior pincers type lock is crossed the X-axis of rectangular co-ordinate and the schematic cross-section of Z axis, and now the dead bolt of interior pincers type lock is in locking state;
In figure: 1, lock box protecgulum; 2, dead bolt movement locus side plate; 2-1, movement locus groove; 3, interior jaw type dead bolt; 3-1, pick-proof projection; 3-2, V-shaped groove; 4, the axis of rolling; 5, connecting rod; 6, turning cylinder; 7, connecting rod base; 8, tooth bar; 9, gear; 10, fixed head; 11, lock box; 12, rack-and-pinion holder; 13, gear position limiting piece; 14, holder locking ring; 15, power transmission shaft; 16, the actuating unit of unblanking; 17, keeper.
Detailed description of the invention
By embodiment below, the present invention is further elaborated.
Referring to Fig. 1--shown in Fig. 4, a kind of interior pincers type lock is made up of lock box 11, keeper 17, rack-and-pinion fastening devices, the actuating unit 16 of unblanking, power transmission shaft 15 and interior jaw type dead bolt motion.Lock box 11 is fixed on the wherein Yishanmen limit of double door, and keeper 17 is fixed on another Yishanmen limit and is corresponding with lock box 11.Rack-and-pinion fastening devices is made up of tooth bar 8, gear 9, rack-and-pinion holder 12, holder locking ring 14 and gear position limiting ring 13, the tooth bar 8 of horizontal positioned through and sliding bearing on the horizontal direction through hole of rack-and-pinion seat 12, gear 9 is placed in the center hole of rack-and-pinion seat 12 and engages with tooth bar 8, rack-and-pinion seat 12 is fixed in lock box 11 by holder locking ring 14, gear 9 is spacing in rack-and-pinion seat 12 by gear position limiting piece 13, and the gear 9 of this rack-and-pinion fastening devices and tooth bar 8 are placed in rack-and-pinion holder 12 also intermeshing.This actuating unit 16 of unblanking is connected with gear 9 by power transmission shaft 15.Be contained in interior jaw type dead bolt motion in lock box 11 by connecting rod base 7, pair of rotary axes 6, pair of links 5, the a pair of axis of rolling 4, a pair of interior jaw type dead bolt 3, a pair of dead bolt movement locus side plate 2, lock box protecgulum 1 and fixed head 10 form, described connecting rod base 7 rear portions are connected with tooth bar 8 leading sections, be flexibly connected with one end of symmetrical pair of links 5 respectively by pair of rotary axes 6 symmetrically in the upper and lower of connecting rod base 7, the other end of pair of links 5 is flexibly connected with the rear portion of a pair of interior jaw type dead bolt 3 respectively by a pair of axis of rolling 4, the a pair of axis of rolling 4 two terminal circle cylindricality axle heads are bearing in respectively and are positioned at a left side, in the corresponding movement locus groove 2-1 of a pair of dead bolt movement locus side plate 2 of right both sides, unblank before actuating unit 16 is with carry-over bar 8 rectilinear motions drive a pair of interior jaw type dead bolt 3 to do before and after doing, rear curvilinear motion also clamps together or opens with corresponding keeper 17.
Have fixed head 10 middle parts that tooth bar 8 passes to have a square opening, this square opening is the moving conduit of tooth bar 8, and four jiaos of this hole are respectively equipped with an aperture, is fixed with the rim of the mouth of corresponding a pair of dead bolt movement locus side plate 2 rearward end.Lock box protecgulum 1 is fixed on lock box 11 leading sections, the upper and lower of lock box protecgulum 1 is respectively equipped with a square opening, this square opening is the moving conduit of a pair of interior jaw type dead bolt 3, and be respectively equipped with an aperture four jiaos of square openings, be fixed with the rim of the mouth of corresponding a pair of dead bolt movement locus side plate 2 leading sections.
The outside of interior jaw type dead bolt 3 is convex globoidal, and its inner face is provided with V-shaped groove 3-2, becomes interior hook-shape lock tongue, and the rear portion of described interior jaw type dead bolt 3 is provided with pick-proof projection 3-1.
As shown in Figure 3, the opening that now interior pincers type lock is regained in interior jaw type dead bolt 3, unblank actuating unit 16 by power transmission shaft 15 driven gears 9 when in figure, clockwise direction rotates a circle, tooth bar 8 rectilinear motion forward engaging with gear 9, promote connecting rod base 7 rectilinear motion forward, connecting rod base 7 promotes pair of rotary axes 6, pair of links 5, the a pair of axis of rolling 4 travels forward, because the cylindrical shaft end bearing of a pair of axis of rolling 4 is on a corresponding left side, the movement locus groove 2-1 of right dead bolt movement locus side plate 2 goes up and drives a pair of interior jaw type dead bolt 3 to travel forward along this movement locus, a pair of interior jaw type dead bolt 3 inserts in keeper 17 and enters and clamp together locking state (as shown in Figure 4).In like manner, when the actuating unit 16 of unblanking rotates a circle by counter clockwise direction in figure by power transmission shaft 15 driven gears 9, can make a pair of interior jaw type dead bolt 3 leave keeper 17 and return in lock box 11 and lock box protecgulum 1, enter door lock opening.
Claims (3)
1. pincers type lock in a kind, comprise lock box (11), keeper (17), rack-and-pinion fastening devices, unblank actuating unit (16) and power transmission shaft (15), the gear (9) of this rack-and-pinion fastening devices and tooth bar (8) are placed in rack-and-pinion holder (12) also intermeshing, this actuating unit of unblanking (16) is connected with gear (9) by power transmission shaft (15), it is characterized in that: be also provided with interior jaw type dead bolt motion, be contained in the interior interior jaw type dead bolt motion of lock box (11) by connecting rod base (7), pair of rotary axes (6), pair of links (5), the a pair of axis of rolling (4), a pair of interior jaw type dead bolt (3), a pair of dead bolt movement locus side plate (2), lock box protecgulum (1) and fixed head (10) composition, described connecting rod base (7) rear portion is connected with tooth bar (8) leading section, be flexibly connected with one end of symmetrical pair of links (5) respectively by pair of rotary axes (6) symmetrically in the upper and lower of connecting rod base (7), the other end of pair of links (5) is flexibly connected with the rear portion of a pair of interior jaw type dead bolt (3) respectively by a pair of axis of rolling (4), the a pair of axis of rolling (4) two terminal circle cylindricality axle head is bearing in respectively and is positioned at a left side, in the corresponding movement locus groove (2-1) of a pair of dead bolt movement locus side plate (2) of right both sides, unblank actuating unit (16) band carry-over bar (8) do before and after rectilinear motion drive a pair of interior jaw type dead bolts (3) do anterioposterior curve motion and clamp together or open with corresponding keeper (17).
2. interior pincers type lock according to claim 1, it is characterized in that: have the fixed head (10) that tooth bar (8) passes to be fixedly connected with the rearward end of a pair of dead bolt movement locus side plate (2), fixed head (10) middle part has a square opening, this square opening is the moving conduit of tooth bar (8), described lock box protecgulum (1) is fixed on lock box (11) leading section and is fixedly connected with the leading section of a pair of dead bolt movement locus side plate (2), the upper and lower of lock box protecgulum (1) is respectively equipped with a square opening, this square opening is the moving conduit of a pair of interior jaw type dead bolt (3).
3. interior pincers type lock according to claim 1, it is characterized in that: the outside of described interior jaw type dead bolt (3) is convex globoidal, its inner face is provided with V-shaped groove (3-2), becomes interior hook-shape lock tongue, and the rear portion of described interior jaw type dead bolt (3) is provided with pick-proof projection (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564996.XA CN102979383B (en) | 2012-12-24 | 2012-12-24 | Internal clamping type lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564996.XA CN102979383B (en) | 2012-12-24 | 2012-12-24 | Internal clamping type lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102979383A CN102979383A (en) | 2013-03-20 |
| CN102979383B true CN102979383B (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210564996.XA Active CN102979383B (en) | 2012-12-24 | 2012-12-24 | Internal clamping type lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102979383B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386658B (en) * | 2015-12-18 | 2017-09-29 | 陈海敏 | The locking device of safe door leaf |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29811395U1 (en) * | 1998-06-25 | 1998-10-15 | Hoppe Ag | Espagnolette lock |
| CN101440674A (en) * | 2008-12-17 | 2009-05-27 | 罗宇聪 | Anti-theft lock with barbed bolt and top-bottom lock including the same |
| CN201635493U (en) * | 2010-02-02 | 2010-11-17 | 殷青林 | Glass door handle lock |
| CN202324895U (en) * | 2011-11-21 | 2012-07-11 | 南京康尼机电股份有限公司 | Connecting rod locking device for sliding door |
| CN202990627U (en) * | 2012-12-24 | 2013-06-12 | 杨伟津 | Embedded lock |
-
2012
- 2012-12-24 CN CN201210564996.XA patent/CN102979383B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29811395U1 (en) * | 1998-06-25 | 1998-10-15 | Hoppe Ag | Espagnolette lock |
| CN101440674A (en) * | 2008-12-17 | 2009-05-27 | 罗宇聪 | Anti-theft lock with barbed bolt and top-bottom lock including the same |
| CN201635493U (en) * | 2010-02-02 | 2010-11-17 | 殷青林 | Glass door handle lock |
| CN202324895U (en) * | 2011-11-21 | 2012-07-11 | 南京康尼机电股份有限公司 | Connecting rod locking device for sliding door |
| CN202990627U (en) * | 2012-12-24 | 2013-06-12 | 杨伟津 | Embedded lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102979383A (en) | 2013-03-20 |
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