CN2434395Y - Three-position core insertion antitheft door lock - Google Patents
Three-position core insertion antitheft door lock Download PDFInfo
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- CN2434395Y CN2434395Y CN 00237685 CN00237685U CN2434395Y CN 2434395 Y CN2434395 Y CN 2434395Y CN 00237685 CN00237685 CN 00237685 CN 00237685 U CN00237685 U CN 00237685U CN 2434395 Y CN2434395 Y CN 2434395Y
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- tongue
- lock
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- dead bolt
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Abstract
The utility model relates to a three-position anti-theft door lock of a core insertion type. The locking function of outer-keep-inner or inner-keep-outer is realized by that a lock body is provided with a square lock tongue, an oblique lock tongue, an upper and a lower sliding boards which are driven by an outdoor key or an inner turn knob via a linkage locking mechanism. A hook tongue of a reverse claw type is additionally arranged on the square lock tongue, a locking head component adopts a cross slot structure, and the side surface of a locking head body is connected with a flat thread of a cover board of the lock body. The linkage locking mechanism is simplified, so the functions of outer-keep-inner and inner-keep-outer can be realized only by using one outdoor key and one indoor turn knob. The utility model has the advantages of simple structure and convenient installation and use, enhances the functions of preventing pry, impact, using foreign bodies to be inserted into a locking core to rotate the locking head, etc., and greatly enhances the performance of theft prevention.
Description
The utility model relates to lockset, particularly Three-bearing core-inset type safe-guard door lock.
That locks is of a great variety, in order to tackle constantly brilliant theft means and technology of theft protection molecule, solve user's trouble and worry, improve lock pick-proof, anti-drilling, anti-ly unload the urgent hope that performance is users, for this reason, invented a kind of Three-bearing safe-guard door lock in recent years, promptly door go up, the student, reveal three Square lock bolts automatic blocking simultaneously, have three anti-functions preferably, extensively adopted, and receive effect preferably, but the locking mechanism of this lock is complicated by the user, install and use trouble, on NBC protective performance, still be weak.
The purpose of this utility model all provides a kind of simple in structure, easy to install, Three-bearing core-inset type safe-guard door lock that theftproof performance is strong in the defective that further overcomes prior art.
By above-mentioned purpose, embodiment of the present utility model is: Three-bearing core-inset type safe-guard door lock is formed lock body by panel, lock housing, cover plate, the lock body inner chamber is provided with by outdoor key and rotates the ganged locking mechanism of actuating through cross recess tapered end parts or indoor knob, and ganged locking mechanism drives along panel square bolt hole and inclined tongue hole and realizes flexible Square lock bolt and oblique dead bolt; And realize in outer the guarantor or interior guarantor locks outward by the locking safety structure; With dead bolt do synchronization telescope be connected the sky, the upper slide and the lower skateboard of Lock Part, it is characterized in that: be provided with identical, the symmetrically arranged in opposite directions anti-pawl formula of a pair of shape in the described Square lock bolt of a. and collude tongue, the tongue that colludes that colludes on having and descend to collude is hinged and connected by separately the tongue axle that colludes, collude to be provided with between the back portion breach and be beneficial to the open tongue spring that colludes, the Square lock bolt center be provided with two collude that the recessed circle of back portion matches collude the tongue limited post; The tapered end side surface of b. described tapered end parts is a flat department structure, inserts in the lock body and with the cover plate cell wall is matched and touches.
Described ganged locking mechanism comprises the tapered end drive sleeve that is arranged in lock housing of being stirred by key, dials plate outward with the dead bolt of tapered end drive sleeve riveted one; The knob drive sleeve that is arranged in lock housing of stirring by knob, with dial plate in the dead bolt of knob drive sleeve riveted one, dial outward in plate and the dead bolt by dead bolt and to dial plate and stir and make a last hyoplastron and the following hyoplastron that the advance and retreat shelves move, on, following hyoplastron extends the Square lock bolt that is that the riveted joint one is arranged in the panel square bolt hole, Square lock bolt and last, following hyoplastron is with square bolt hole and last, dead bolt slide plate reference column in the following hyoplastron long slot bore moves for guiding, on, riveted joint has 2 hyoplastron braces on the following hyoplastron, dead bolt slide plate and the torsion spring that acts on it are located at, between 2 hyoplastron braces in the following hyoplastron, following hyoplastron one side has equidistant teeth groove structure, overhead gage is fixed on down the hyoplastron end, promote the lower baffle plate that moves along 2 lower baffle plate limited posts that are fastened on the lock housing by overhead gage, lower baffle plate top is provided with dials the oblique tongue that the flat spring post links to each other by oblique tongue and dials plate, tiltedly tongue is dialled in the mounting hole of plate has an oblique tongue that is fixed in the lock housing to dial the plate reference column, be set with the lower baffle plate torsion spring on this reference column, torsion spring two collude respectively be pulled in the lower baffle plate limited post and tiltedly tongue dial on the flat spring post, the oblique tongue pull bar that connects oblique dead bolt is being supported by inclined tongue hole near the panel end, the other end is supported by baffle plate, tiltedly the tongue pull bar is provided with the reset oblique tongue spring of usefulness of oblique dead bolt, stir oblique tongue that oblique tongue pull bar moves dial outward plate be "
" type, be hinged and connected by oblique tongue switch-plate shaft and following hyoplastron.
Described oblique dead bolt links to each other with alignment pin with oblique tongue pull bar, and is provided with pull bar catch and pull bar back-up ring at the tail end of oblique tongue pull bar, is provided with the oblique tongue limit spring of regulating oblique dead bolt direction between catch and the back-up ring.
The utility model is the improvement of original Three-bearing safe-guard door lock, and its advantage is: (1) has been set up anti-pawl formula and has been colluded tongue on Square lock bolt, firmly fasten doorframe, reinforces the pick-proof locking effect of Square lock bolt, so improved theftproof performance greatly; (2) adopt cross recess tapered end parts, its side surface is connected the pick-proof, the protecting against shock that have improved tapered end, prevents reversing the tapered end function with foreign matter insertion lock core with the flat department of the cover plate of lock body; (3) improvement of ganged locking mechanism is simplified mechanism greatly, and key of a promptly outdoor usefulness carries out in outer the guarantor, knob of indoor usefulness is protected outer function in carrying out; (4) lock body is installed and adopted core-inset type, makes simple installation, and is easy to use; (5) tiltedly dead bolt links to each other with alignment pin with oblique tongue pull bar, is convenient to oblique dead bolt tuning, need not to open lock body.
Embodiment is described further the utility model again below with reference to accompanying drawing.
Fig. 1 is the utility model contour structures schematic diagram.
Fig. 2 removes internal construction schematic diagram behind the cover plate for Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is tapered end parts structure charts.
Three-bearing core-inset type safe-guard door lock is formed lock body by panel (1), lock housing (3), cover plate (9) shown in Fig. 1-4, panel and three is worn the lock housing solid welding one that flanging encloses frame, and cover plate is fastened on the joint pin of lock housing with screw.
The lock body inner chamber is provided with by the ganged locking mechanism of outdoor key (55) through cross recess tapered end parts or indoor knob rotation actuating, and ganged locking mechanism (Fig. 1-2) drives along panel (1) square bolt hole and inclined tongue hole and realizes flexible Square lock bolt (18) and oblique dead bolt (6).Be provided with the outer locking safety structure of protecting interior (being outdoor locking, indoor can't the unlatching) and interior guarantor outer (being indoor locking, outdoor can't the unlatching) in the ganged locking mechanism.And with Square lock bolt, tiltedly dead bolt do synchronization telescope be connected the sky, the upper slide (2) and the lower skateboard (8) of Lock Part.
Be provided with identical, the symmetrically arranged in opposite directions anti-pawl formula of a pair of shape between the last hyoplastron (41) of described Square lock bolt (18) and the following hyoplastron (45) and collude tongue (15), collude tongue have disjunctor on collude and under collude, on collude and can catch on doorframe firmly, collude on panel limitedly down, improve tamper-resistant function.Colluding tongue connects continuous by separately tongue axle (19) dumpling that colludes, collude back portion and have breach and recessed round structure, two collude to be provided with to be beneficial between the breach of tongue and collude the open tongue spring (16) that colludes of tongue, the Square lock bolt center be provided with two collude that the recessed circle of tongue coincide collude tongue limited post (17), the spacing tongue swing position of colluding.
Described ganged locking mechanism comprises the tapered end drive sleeve (5) that is arranged in lock housing, and dead bolt is dialled plate (4) outward and is enclosed within on the tapered end drive sleeve and the riveted one, and both rotate simultaneously and do locking in outer the guarantor.Be arranged in the knob drive sleeve (11) of lock housing equally, dial plate (12) in the dead bolt and be enclosed within on the knob drive sleeve and the riveted one, protect outer locking in both rotate simultaneously and do.Dial outward in plate and the dead bolt by dead bolt and to dial plate to stir what do the action of advance and retreat shelves be the Square lock bolt that is arranged in the panel square bolt hole, the Square lock bolt of disjunctor and upper and lower hyoplastron serve as that guiding work advance and retreat shelves move with the dead bolt slide plate reference column (44) in square bolt hole and the upper and lower hyoplastron elongated slot, and dead bolt slide plate reference column close-fitting is in lock housing; On, riveted joint has 2 hyoplastron braces (42) on the following hyoplastron, dead bolt slide plate (47) and the torsion spring (46) that acts on it are located at, between 2 hyoplastron braces in the following hyoplastron, torsion spring makes the dead bolt slide plate rely on dead bolt all the time and dials plate outward on one side, following hyoplastron one side has equidistant teeth groove (43) structure, overhead gage (38) riveted is fixed on down the hyoplastron end, promote the lower baffle plates (37) that move along 2 lower baffle plate limited posts (34) that are fastened on the lock housing by overhead gage, 2 long slot bores are arranged on the lower baffle plate, and the moving direction of making parallel Square lock bolt in the long slot bore length range moves.Lower baffle plate top is provided with dials the oblique tongue that flat spring post (30) links to each other by oblique tongue and dials plate (7), tiltedly tongue is dialled a mounting hole is arranged on the plate, there is an oblique tongue that is fixed in the lock housing to dial plate reference column (31) in the mounting hole, be set with lower baffle plate torsion spring (33) on this reference column, torsion spring two collude respectively be pulled in lower baffle plate limited post (34) and tiltedly tongue dial on the flat spring post (30), tiltedly to dial plate limited post (29) by oblique tongue spacing in the tongue rotation of dialling plate.The oblique tongue pull bar (25) that connects oblique dead bolt (6) is being supported by inclined tongue hole near the panel end, and the other end is by baffle plate (28) supporting, and this baffle plate can be welded in the lock housing at the end or stamp out the right-angle baffle of disjunctor by lock housing, and the utility model adopts the latter.Tiltedly the tongue pull bar is provided with the reset oblique tongue spring (27) of usefulness of oblique dead bolt, stir oblique tongue that oblique tongue pull bar moves dial outward plate (21) be "
" type, be hinged and connected by oblique tongue switch-plate shaft (20) and following hyoplastron (45).
Ganged locking mechanism rotates by outdoor key (55) and makes Square lock bolt (18) third gear of advancing, third gear is colluded tongue (15) and is launched, being rotated further key again makes Square lock bolt be able to the locking insurance, reach function in outer the guarantor, plectrum I (26) and following hyoplastron teeth groove (43) that the locking safety structure is dialled outward on the plate by dead bolt constitute, and promptly when key turns the 4th is enclosed, the plectrum I snaps in down in the hyoplastron teeth groove and by locking, indoor can't opening, the plectrum I can be dialled the vertical pressing and bending of plate outward by dead bolt and form.
Ganged locking mechanism advances behind the second gear Square lock bolt by indoor knob, being rotated further knob makes Square lock bolt be able to the locking insurance, protect outer function in reaching, the locking safety structure is constituted by plectrum II (39) in the dead bolt group of plate and the gap slot (40) on the upper and lower hyoplastron, promptly when knob is rotated further the 3rd circle, the plectrum II snaps in gap slot and by locking, outdoor can't opening, and the plectrum II can form by dialling the vertical pressing and bending of plate in the dead bolt.
In order to adapt to the different needs in door installation site, tiltedly dead bolt (6) must have the tuning function, for this reason, tiltedly dead bolt is connected with alignment pin (23) with oblique tongue pull bar, at oblique dead bolt and recessed annulus that tiltedly processing and alignment pin work are joined on the tongue pull bar, make oblique dead bolt relatively tiltedly the rotatable tuning of doing of tongue pull bar regulate.And be provided with pull bar catch (32) and pull bar back-up ring (36) at the oblique tail end of tongue pull bar, be provided with the oblique tongue limit spring (35) of regulating oblique dead bolt direction between catch and the back-up ring, tiltedly needn't open lock body during the dead bolt tuning, hole of preprocessing on lock housing, with the oblique tongue pull bar of screwdriver pushing tow tail end, oblique dead bolt is shifted out from inclined tongue hole, get final product tuning, the tuning dead bolt that retreads is tiltedly resetting under tongue limit spring (35) effect.
With Square lock bolt, tiltedly dead bolt do synchronization telescope be connected the sky, the upper slide (2) and the lower skateboard (8) of Lock Part (this case is not described in detail).Upper slide has an elongated slot and skewed slot, and limited post I (24) is arranged in elongated slot, and slide plate reference column (14) and its outer slide plate positioning sleeve (13) of suit of being riveted on the upper and lower hyoplastron are arranged in skewed slot.
One elongated slot is arranged on the lower skateboard, the limited post I (24) and the limited post II (22) that are fixed on the lock housing are arranged in elongated slot, two limited posts and slide plate reference column have determined the displacement of upper and lower slide plate, and wherein the limited post I is longer than limited post II, and the limited post I is that upper and lower slide plate is shared.
Tapered end (56) side surface (57) of the cross recess tapered end parts (Fig. 4) of field operation is a flat department structure, and inserting matches in the lock body and with cover plate (9) cell wall contact, improved tapered end pick-proof, protecting against shock, anti-ly reverse the tapered end function with foreign matter insertion lock core.The rotation of key (55) drives the tapered end connecting rod (59) that is fixed on the lock core by lock core back-up ring (58) and rotates, and the tapered end connecting rod is direct and tapered end drive sleeve (5) plugs, drive the tapered end drive sleeve and then drive dead bolt and dial the plate rotation outward, realize function in outer the guarantor.
The knob of in-house operation (Fig. 3) is installed on the back shroud of fixing with doorframe (10), the upper casing (50) of forming knob is connected with the seam close-fitting with lower casing (48), lower casing is connected with knob base (52), with back-up ring (53) is housed and stirs the connecting rod (54) of knob drive sleeve on the power transmission shaft (51) of upper casing disjunctor, be provided with the spacing spring of knob (49) between the upper and lower shell, connecting rod directly and knob drive sleeve (11) plug, drive the knob drive sleeve and then drive and dial the plate rotation in the dead bolt, protect outer function in realizing.
This lock can be laid down upper and lower slide plate again with the Three-bearing locking, makes independent limit lock and is used with middle lock, is applicable to various security doors.
Dynamic structure once is described below:
In outer the guarantor:
This lock is at closing time at outdoor right-hand rotation key (55), driving the tapered end connecting rod (59) that inserts in the tapered end drive sleeve (5) by lock core back-up ring (58) rotates, tapered end drive sleeve and dead bolt are dialled plate (4) outward and are rotated simultaneously, dead bolt is dialled plectrum I (26) on the plate outward and is promoted that dead bolt slide plate (47) is outer to be moved and enter sublingua plate teeth groove (43) and promote down that hyoplastron (45) moves forward, dead bolt is dialled a moving week of plate revolution outward, Square lock bolt (18) is pushed out one grade, when shifting third gear onto, following the colluding of colluding tongue (15) is subjected to stopping of panel, on collude ejection, Square lock bolt reaches latched position.Synchronization-moving upper slide (2), lower skateboard (8) stretch out respectively, and the plectrum I snaps in down the hyoplastron teeth groove and insured by locking, realize function in outer the guarantor.
When this lock opens the door in outdoor three weeks of left-hand rotation key, Square lock bolt and colluding in the tongue indentation lock housing, the slide plate original position of withdrawing synchronously up and down, key continues to turn left, dead bolt is dialled plate outward and is promoted oblique tongue through following hyoplastron and dial plate outward, and then drives oblique tongue pull bar and make in the oblique dead bolt indentation lock housing, realizes outdoor unlatching.
Outside interior the guarantor:
This lock is at closing time in indoor left-hand rotation knob rotation, the knob connecting rod of fixing by knob power transmission shaft (51) front end and back-up ring (53) (54) inserts in the knob drive sleeve (11), drive and dial plate (12) rotation in knob drive sleeve and the dead bolt, dial following hyoplastron teeth groove one retaining of plectrum II (39) the promotion Square lock bolt on the plate in the dead bolt, dialling plate in the dead bolt whenever circles, Square lock bolt is pushed out a retaining, release two retaining back Square lock bolts and reach latched position, synchronization-moving have upper slide (2) and a lower skateboard (8), when being pushed into third gear, the plectrum II snaps in, the gap slot of following hyoplastron (40) and by locking is protected outer function in realizing.
When this lock opens the door in indoor two weeks of right-hand rotation knob, make in the Square lock bolt indentation lock housing, the upper and lower slide plate original position of withdrawing synchronously, overhead gage promotes lower baffle plate simultaneously, lower baffle plate is moved in spacing guide range, and drive oblique tongue and dial plate action, under the effect of lower baffle plate torsion spring, tiltedly tongue is dialled plate and can only be promoted pull bar catch on the oblique tongue pull bar.When continuing the right-hand rotation knob, group plate promotes oblique tongue and dials plate in the dead bolt, spurs in the oblique dead bolt indentation panel by pull bar, realizes indoor unlatching.
Claims (8)
1. Three-bearing core-inset type safe-guard door lock, form lock body by panel (1), lock housing (3), cover plate (9), the lock body inner chamber is provided with by the ganged locking mechanism of outdoor key (55) through cross recess tapered end parts or indoor knob rotation actuating, and ganged locking mechanism drives along panel square bolt hole and inclined tongue hole and realizes flexible Square lock bolt (18) and oblique dead bolt (6); And realize in outer the guarantor or interior guarantor locks outward by the locking safety structure; With dead bolt do synchronization telescope be connected the sky, the upper slide (2) and the lower skateboard (8) of Lock Part, it is characterized in that:
A. be provided with identical, the symmetrically arranged in opposite directions anti-pawl formula of a pair of shape in the described Square lock bolt (18) and collude tongue (15), collude on having with the tongue that colludes that colludes down and connect and link to each other by separately tongue axle (19) dumpling that colludes, collude to be provided with between the back portion breach and be beneficial to the open tongue spring (16) that colludes, the Square lock bolt center be provided with two collude that the recessed circle of back portion matches collude tongue limited post (17);
The tapered end of b. described tapered end parts (56) side surface (57) is a flat department structure, and inserting matches in the lock body and with cover plate (9) cell wall contacts.
2. Three-bearing core-inset type safe-guard door lock as claimed in claim 1 is characterized in that described ganged locking mechanism comprises the tapered end drive sleeve (5) that is arranged in lock housing (3) of being stirred by key (55), dials plate (4) outward with the dead bolt of tapered end drive sleeve riveted one; The knob drive sleeve (11) that is arranged in lock housing (3) of stirring by knob, with dial plate (12) in the dead bolt of knob drive sleeve riveted one, dial outward in plate and the dead bolt by dead bolt and to dial plate and stir and make a last hyoplastron (41) and the following hyoplastron (45) that the advance and retreat shelves move, on, what following hyoplastron extension riveted joint one was arranged in the panel square bolt hole is Square lock bolt (18), Square lock bolt and last, following hyoplastron is with square bolt hole and last, dead bolt slide plate reference column (44) in the following hyoplastron long slot bore moves for guiding, on, riveted joint has 2 hyoplastron braces (42) on the following hyoplastron, dead bolt slide plate (47) and the torsion spring (46) that acts on it are located at, between 2 hyoplastron braces in the following hyoplastron, following hyoplastron one side has equidistant teeth groove (43) structure, overhead gage (38) is fixed on down the hyoplastron end, promote the lower baffle plates (37) that move along 2 lower baffle plate limited posts (34) that are fastened on the lock housing by overhead gage, lower baffle plate top is provided with dials the oblique tongue that flat spring post (30) links to each other by oblique tongue and dials plate (7), tiltedly tongue is dialled in the mounting hole of plate has an oblique tongue that is fixed in the lock housing to dial plate reference column (31), be set with lower baffle plate torsion spring (33) on this reference column, torsion spring two collude respectively be pulled in lower baffle plate limited post (34) and tiltedly tongue dial on the flat spring post (30); The oblique tongue pull bar (25) that connects oblique dead bolt (6) is being supported by inclined tongue hole near the panel end, and the other end is by baffle plate (28) supporting, and tiltedly the tongue pull bar is provided with the reset oblique tongue spring (27) of usefulness of oblique dead bolt, stir oblique tongue that oblique tongue pull bar moves dial outward plate (21) be "
" type, be hinged and connected by oblique tongue switch-plate shaft (20) and following hyoplastron.
3. Three-bearing core-inset type safe-guard door lock as claimed in claim 1 or 2 is characterized in that the plectrum I (26) that the locking safety structure is dialled on the plate by dead bolt in described outer the guarantor constitutes with following hyoplastron teeth groove (43) outward.
4. Three-bearing core-inset type safe-guard door lock as claimed in claim 1 or 2 is characterized in that the outer locking safety structure of described interior guarantor is constituted by plectrum II (39) in the dead bolt group of plate and the gap slot (40) on the upper and lower hyoplastron.
5. Three-bearing core-inset type safe-guard door lock as claimed in claim 1, it is characterized in that described upper slide (2) has an elongated slot and skewed slot, limited post I (24) is arranged in elongated slot, and slide plate reference column (14) and its outer slide plate positioning sleeve (13) of suit of being riveted on the upper and lower hyoplastron are arranged in skewed slot.
6. Three-bearing core-inset type safe-guard door lock as claimed in claim 1 is characterized in that on the described lower skateboard (8) elongated slot being arranged, and the limited post I (24) and the limited post II (22) that are fixed on the lock housing are arranged in elongated slot.
7. Three-bearing core-inset type safe-guard door lock as claimed in claim 1 or 2, it is characterized in that described oblique dead bolt (6) links to each other with alignment pin (23) with oblique tongue pull bar (25), and be provided with pull bar catch (32) and pull bar back-up ring (36) at the oblique tail end of tongue pull bar, be provided with the oblique tongue limit spring (35) of the oblique dead bolt direction of adjusting between catch and the back-up ring.
8. Three-bearing core-inset type safe-guard door lock as claimed in claim 1, it is characterized in that described knob is installed on the back shroud of fixing with doorframe (10), the upper casing (50) of forming knob is connected with the seam close-fitting with lower casing (48), lower casing is connected with knob base (52), back-up ring (53) is housed on the upper casing power transmission shaft (51) and stirs the connecting rod (54) of knob drive sleeve (11), be provided with the spacing spring of knob (49) between the upper and lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00237685 CN2434395Y (en) | 2000-06-28 | 2000-06-28 | Three-position core insertion antitheft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00237685 CN2434395Y (en) | 2000-06-28 | 2000-06-28 | Three-position core insertion antitheft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434395Y true CN2434395Y (en) | 2001-06-13 |
Family
ID=33598891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00237685 Expired - Fee Related CN2434395Y (en) | 2000-06-28 | 2000-06-28 | Three-position core insertion antitheft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434395Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178734A (en) * | 2015-10-19 | 2015-12-23 | 吴江市莘塔前进五金厂 | Safe-guard door lock with latch bolt capable of being axially locked |
| CN105201284A (en) * | 2015-10-19 | 2015-12-30 | 吴江市莘塔前进五金厂 | Square-bolt safe-guard door lock |
| CN107939169A (en) * | 2017-12-27 | 2018-04-20 | 东莞市秦基减速电机有限公司 | A kind of decelerating motor built in antitheft door |
-
2000
- 2000-06-28 CN CN 00237685 patent/CN2434395Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178734A (en) * | 2015-10-19 | 2015-12-23 | 吴江市莘塔前进五金厂 | Safe-guard door lock with latch bolt capable of being axially locked |
| CN105201284A (en) * | 2015-10-19 | 2015-12-30 | 吴江市莘塔前进五金厂 | Square-bolt safe-guard door lock |
| CN105178734B (en) * | 2015-10-19 | 2018-08-21 | 吴江市莘塔前进五金厂 | A kind of latch bolt safe-guard door lock of energy axial lock |
| CN107939169A (en) * | 2017-12-27 | 2018-04-20 | 东莞市秦基减速电机有限公司 | A kind of decelerating motor built in antitheft door |
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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 |