CN2675795Y - Reed lock - Google Patents
Reed lock Download PDFInfo
- Publication number
- CN2675795Y CN2675795Y CN 200420038079 CN200420038079U CN2675795Y CN 2675795 Y CN2675795 Y CN 2675795Y CN 200420038079 CN200420038079 CN 200420038079 CN 200420038079 U CN200420038079 U CN 200420038079U CN 2675795 Y CN2675795 Y CN 2675795Y
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- locking plate
- cavity
- shifting block
- lock
- groove
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Abstract
The utility model relates to a reed lock. A lock core is composed of an anti-dial block cavity and a locking plate cavity according to the dismountable mode; the keyhole positions on the head end of the anti-dial block cavity; the locking plate groove, the conjugated superimposed locking plate, and corresponding spring are installed on the locking plate cavity. In addition, the tail of the anti-dial block cavity is provided with a groove cavity; at least a spring loaded anti-dial block is placed in the groove cavity and is assorted in slip mode; the medial surface of the anti-dial block height direction is provided with an anti-dial sand grip which is arranged along the width direction and has the same width with the keyhole; the lateral surface of the anti-dial block height direction positions on the same cylinder with the tail lateral surface cylinder of the anti-dial block cavity; the anti-dial sand grip closes the keyhole; the header of the lock body is provided with at least an anti-dial groove which corresponds to the anti-dial block. Because the lock core is fission structure, when encountering twist lock by the violence tool, the reed lock can make the anti-dial block cavity rupture and unhitched with the locking plate cavity; the anti-dial block cavity can hang in empty because of rupture, the locking plate cavity still has the effect of locking, and the lock is unable to be stolen.
Description
Technical field
The utility model relates to a kind of lockset, particularly relates to the good Reed lock of a kind of anti-pirate of the open performance.
Background technology
The patent No. is that 02212155.2 Chinese utility model patent manual discloses a kind of pick-resisting reed lock, and the structure of this Reed lock is: it comprises is equipped with rotating lock cylinder in a lock body, the lock body; Lock core has keyhole at axial head end; The lock core stem is disposed radially at least one pull-preventing pin, the chute that pull-preventing pin is arranged in lock core is slidingly matched, lock body is provided with at least one and chute corresponding spring groove, wherein the spring of She Zhiing withstands pull-preventing pin one end and makes this end concordant with lock core exterior circular column surface, the pull-preventing pin other end has the inclined-plane, this end is with the keyhole sealing of lock core, and pull-preventing pin quantity can be for more than two; The lock core afterbody radially is provided with one group of locking plate groove, and (the locking plate groove is four generally speaking, it is separated to separate each other between four locking plate grooves), be provided with locking plate and a spring that is connected between two locking plates of a pair of stacked placement in each locking plate groove, the middle part of locking plate is porose, side end has outside projection, the two ends of spring contact with projection on two locking plates, lock body is provided with two groups of locked grooves that end that axially are symmetrical in the locking plate groove, each locking plate only reaches with corresponding locking plate groove, and locked groove is slidingly matched, locking plate for every pair of stacked placement, when two locking plates overlapping the most after a little while, each locking plate is arranged in the locking plate groove simultaneously and ends locked groove, when the overlapping maximum of two locking plates, two locking plates only are arranged in the locking plate groove simultaneously.In addition, for this phase-locked key of joining, the key both sides are provided with bilateral tooth, are provided with the groove that adapts with pull-preventing pin shape and quantity in the key plane.Though this lock overcome existing lockset easily by technical unlocking and key easily by the imitated defective of soft material mold pressing, but because of the part that comes with some shortcomings on its structure design, make it still have following defective: 1, to be structure as a whole because of lock core, when meeting screwdriver class instrument violence twistlock, will make the lock core fracture and can't play locked effect, so that this lock is easily by pirate of the open; 2, be disposed radially plural pull-preventing pin because of the lock core stem, the chute that pull-preventing pin is arranged in lock core is slidingly matched, must be provided with spring groove corresponding with chute and that quantity is identical like this on the lock body, again because of the lock core afterbody radially is provided with a plurality of locking plate grooves that separate each other, so that the difficulty of processing of this lock is bigger; 3, the locking plate because of every pair of stacked placement is connected with spring by the projection on two locking plates, like this, the contact area of the two ends of spring and two locking plate upper protruding blocks is less, the stressed very difficult maintenance balance of both ends of the spring, instability when spring uses, reliability are relatively poor, particularly when spring is aging, the both ends or one end of spring can break away from the tight of two projections and contact, so that reduced the safety of this lock.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of anti-pirate of the open performance good Reed lock.
For achieving the above object, the utility model provides a kind of Reed lock, it comprises lock body, be contained in the lock cylinder in the lock body rotationally, lock core is formed by connecting by dismountable active mode by the anti-shifting block cavity of stem and the locking plate cavity of afterbody, keyhole is positioned at the head end of anti-shifting block cavity, make lock core axially have keyhole, the locking plate groove, be loaded on the locking plate of at least one pair of the stacked placement in the locking plate groove and be connected in this spring between locking plate is located on the locking plate cavity, make lock core be provided with the locking plate groove, paired stacked locking plate and corresponding spring, lock body is provided with the locked groove that ends that twice are symmetrical in the locking plate groove, and each locking plate is with corresponding locking plate groove and end locked groove and be slidingly matched.
Adopt after the above structure, because lock core is formed by connecting by removably active mode by the anti-shifting block cavity of stem and the locking plate cavity of afterbody, keyhole is positioned at the head end of anti-shifting block cavity, the locking plate groove, stacked locking plate and corresponding spring is located on the locking plate cavity in pairs, therefore, lock core becomes the branch body structure, like this, when meeting screwdriver class instrument violence twistlock, with only making anti-shifting block cavity fracture and throwing off (at this moment, preventing no longer connecting between shifting block cavity and the locking plate cavity) with the locking plate cavity, though anti-shifting block cavity revolves because of the fracture sky, but the locking plate cavity still can play locked effect, so that this lock can't be by pirate of the open.As seen, this Reed lock has the good advantage of anti-pirate of the open performance.
As improvement of the present utility model, the afterbody of anti-shifting block cavity radially has the plane that is parallel to each other by two, the vallecular cavity that the baffle plate of two radial symmetric surrounds, the radially dual-side on described each plane extends to respectively on the face of cylinder, the outside of anti-shifting block tail of cavity body, the tail side on each plane is having a radially symmetrical breach respectively near two baffle plate places, and it is also symmetrical near two breach of same baffle plate simultaneously, the lateral surface of described each baffle plate all with a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, all leave the gap of equal size between each baffle plate and two planes, the tail end of each baffle plate all is within the breech face of anti-shifting block cavity; At least one anti-shifting block that spring is housed is placed in the vallecular cavity and is slidingly matched, distance between two parallel side of anti-shifting block width is identical with the width of keyhole, the tail side edge of anti-shifting block width two parallel side is respectively equipped with a projection that is mutually symmetrical, the medial surface of anti-shifting block short transverse is provided with along its width layout and with wide the preventing of keyhole and dials raised line, lateral surface is the face of cylinder, the head end of anti-shifting block length direction has a groove hole that allows corresponding baffle plate to enter, spring is installed in the groove hole and places the head end of anti-shifting block length direction, two projections put in simultaneously near in two breach of same baffle plate, the other end of spring contacts with the medial surface of corresponding baffle plate, make the lateral surface of anti-shifting block short transverse and a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, and the anti-raised line of dialling seals keyhole; The stem of lock body is provided with at least one and the corresponding anti-allocating slot of anti-shifting block.Because spring is placed in the vallecular cavity of anti-shifting block cavity (promptly adopting built-in), as long as so have on the lock body and the corresponding anti-allocating slot of anti-shifting block, like this, the difficulty of processing of this lock diminishes.
The anti-allocating slot quantity that anti-shifting block of placing in the vallecular cavity of described anti-shifting block cavity that spring is housed and lock body stem are provided with is two.
As further improvement of the utility model, the locking plate groove is an elongated slot that connects, and the length of locking plate groove makes its locking plate that can hold four pairs of stacked placements and four springs that are connected in respectively between every pair of locking plate.Like this, compare with existing Reed lock, the difficulty of processing of this lock becomes littler.
In addition, the sidepiece of each locking plate is provided with pit, and the spring that is connected between every pair of locking plate is placed in the pit of two locking plates.Like this, it is big that the contact area of the two ends of spring and two locking plates becomes, and the stressed balance that just keeps easily of both ends of the spring is stable when spring uses, reliability is stronger, so that the safety that has improved this lock.
Description of drawings
Fig. 1 is the shaft side decomposition figure of seeing towards the upper left side from the lower right of this Reed lock preferred forms and key thereof;
Fig. 2 is the shaft side decomposition figure of seeing towards the upper right side from the lower left of this Reed lock preferred forms and key thereof.
The specific embodiment
Below in conjunction with accompanying drawing this Reed lock preferred forms and key thereof are specifically described:
Referring to Fig. 1, Fig. 2, lock body 3 stems are inserted in the face shield 1, circumferentially four uniform rivets 2 pass face shield 1 back and the grafting of lock body 3 stems, make lock body 3 obtain the location, be equipped with lock cylinder concentric with it and that can rotate in lock body 3 inner chambers within it, back-up ring 10 is installed in lock body 3 tail ends and does axially-movable with the restriction lock core.
Lock core is made up of the anti-shifting block cavity 4 of stem and the locking plate cavity 7 of afterbody, the head end of locking plate cavity 7 is provided with two projections 71 of radial symmetric, the tail end of anti-shifting block cavity 4 is provided with and two projections, 71 corresponding two pits 42, locking plate cavity 7 and anti-shifting block cavity 4 are pegged graft by described projection 71 and pit 42, like this, lock core is formed by connecting by dismountable active mode by anti-shifting block cavity 4 and locking plate cavity 7, and this minute body structure effectively improved the anti-pirate of the open performance of this Reed lock.
The afterbody of anti-shifting block cavity 4 radially has by two planes that are parallel to each other 431, the vallecular cavity 43 that the baffle plate 432 of two radial symmetric surrounds, the radially dual-side on each plane 431 extends to respectively on the face of cylinder, the outside of anti-shifting block cavity 4 afterbodys, the tail side on each plane 431 is having a radially symmetrical breach 433 respectively near two baffle plate 432 places, and it is also symmetrical near two breach 433 of same baffle plate 432 simultaneously, the lateral surface of each baffle plate 432 all with a common face of cylinder, the face of cylinder, the outside of anti-shifting block cavity 4 afterbodys, the shape of each baffle plate 432 is roughly oval shape half, all leave the gap of equal size between each baffle plate 432 and two planes 431, the tail end of each baffle plate 432 all is within the breech face of anti-shifting block cavity 4, and promptly the length of each baffle plate 432 is less than the degree of depth of vallecular cavity 43.
Two anti-shifting blocks 5 that spring 6 all are housed and are roughly square block are placed in the vallecular cavity 43 and are slidingly matched, distance between two parallel side 52 of anti-shifting block 5 widths is identical with the width of keyhole 41, and this distance is less than the distance between two planes 431 in the vallecular cavity 43, the tail side edge of two sides 52 is respectively equipped with a projection that is mutually symmetrical 56, the medial surface 54 of anti-shifting block 5 short transverses is provided with along its width layout and wide with keyhole 41, section is the anti-raised line 57 of dialling of truncated cone shape, the lateral surface 53 of anti-shifting block 5 short transverses is the face of cylinder, the head end of anti-shifting block 5 length directions has one to allow corresponding baffle plate 432 to enter and section is the groove hole 55 of half oval shape, two openings in groove hole 55 are located at respectively on the lateral surface 53 of the head end side 51 of anti-shifting block 5 length directions and short transverse, spring 6 is installed in the groove hole 55 and places the head end of anti-shifting block 5 length directions, two projections 56 on each anti-shifting block 5 put in simultaneously near in two breach 433 of same baffle plate 432, the other end of institute's shock mount 6 contacts with the medial surface of corresponding baffle plate 432 on each anti-shifting block 5, just the lateral surface 53 of each anti-shifting block 5 short transverse all with a common face of cylinder, the face of cylinder, the outside of anti-shifting block cavity 4 afterbodys, and anti-the dialling of on two anti-shifting blocks 5 two left space (promptly two anti-raised lines 57 of dialling do not contact each other) on anti-shifting block cavity 4 axial between the raised lines 57.
The stem of lock body 3 radially is respectively equipped with two and two anti-shifting block 5 corresponding anti-allocating slots 31, and the width of anti-allocating slot 31, length are prevented width, the length of shifting block 5 respectively greater than correspondence.
The key Y that matches with this Reed lock comprise a spoon body, with the terminal affixed the shank of the key two parts of spoon body, two groups of the stem two side milling systems of spoon body different, become vertical teeth C of 180 °, reduced mutual opening rate like this, the afterbody of spoon body is respectively equipped with two grooves 0 that adapt with two anti-group raised line 57 shapes and position, and the difficulty of the imitative bitting of mold pressing is strengthened.
Each anti-shifting block 5 is positioned at the afterbody of anti-shifting block cavity 4 under normal conditions and the anti-raised line 57 of dialling on it seals keyhole 41, as insertions such as object such as keys, force each anti-shifting block 5 to enter in separately the anti-allocating slot 31, can allow corresponding baffle plate 432 to enter in the groove hole 55 on each anti-shifting block 5, make the spring of being adorned on each anti-shifting block 56 obtain compression, if the key Y of this lock, the back put in place under the elastic force effect of respective springs 6, anti-on the two anti-shifting blocks 5 dialled raised line 57 with in the groove 0 that enters respectively on the key Y separately, at this moment, the lateral surface 53 of each anti-shifting block 5 short transverse again with a common face of cylinder, the face of cylinder, the outside of anti-shifting block cavity 4 afterbodys, two anti-shifting blocks 5 can not limit lock core and rotate, if not this lock key, then can not unblank from the beginning with in the anti-allocating slot 31 that is in respectively separately in the outside of two anti-shifting block 5 short transverses.Like this, soft instrument such as steel wire, hair fastener, master key etc. can't insert.
The footpath that is located at locking plate cavity 7 for the locking plate groove 72 of consistent elongated groove upwards, the length of locking plate groove 72 makes its locking plate that can hold four pairs of stacked placements and four springs 9 that are connected in respectively between every pair of locking plate, the locking plate that all is connected with the stacked placement of four couples of spring 9 between the every pair of locking plate is installed in the locking plate groove 72, the middle part of each locking plate 8 is provided with jack 81, sidepiece is provided with pit 82, being connected in spring 9 between every pair of locking plate is placed in the pit 82 of two locking plates 8 (for the purpose of clearly demonstrating problem, in the accompanying drawing the 3rd pair of locking plate and corresponding spring 9 have been carried out decomposing once more), make lock core be provided with locking plate groove 72 like this, paired stacked locking plate and corresponding spring 9, and be provided with in the inner chamber of lock body 3 afterbodys that twice are symmetrical in locking plate groove 72 end locked groove 32, each locking plate 8 only reaches with corresponding locking plate groove 72, and locked groove 32 is slidingly matched, locking plate for every pair of stacked placement, next locking plate 8 of normality is under the effect of spring 9 and ends together in the locked groove 32,8 of another locking plates are in another road and end in the locked groove 32 circlip 12, gear 11 is installed in locking plate cavity 7 ends to open and close Reed lock.
When key Y insert one by one along eight jacks 81 of four pairs of locking plates put in place after, two groups of teeth C on the key Y press to the center with two locking plates 8 of every pair of locking plate, two locking plates 8 break away from twice and end locked groove 32, then lock core is rotatable.If not this lock key, an arbitrary locking plate 8 or two locking plates 8 to locking plate can not break away from twice and end locked groove 32, and then lock core can not rotate.
After key Y extracts, two locking plates 8 of every pair of locking plate enter twice again and end in the locked groove 32 under the effect of respective springs 9, like this, soft instrument such as steel wire, hair fastener, master key etc. may detect the position and the degree of depth of locking plate 8 hardly, thereby have stopped technical unlocking; In addition, after key Y extracted, each anti-shifting block 5 was positioned at not only the afterbody of anti-shifting block cavity 4 and anti-on it dialled raised line 57 but also with keyhole 41 sealings under the effect of respective springs 6.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.Also can be connected and form lock core such as: anti-shifting block cavity and locking plate cavity by other dismountable active mode; Anti-shifting block is at the block that guarantees also to can be under the prerequisite that can be slidingly matched with described vallecular cavity other shape; But also interlaced arrangement of raised line is dialled in set preventing on the two anti-shifting block short transverse medial surfaces, cooperatively interact so that keyhole is sealed, at this moment, set up defences on the two anti-shifting block short transverse medial surfaces and dial the number of raised line, width (at this moment, each is anti-dial the width of raised line all should be less than the width of keyhole) and the particular location arranged can decision flexibly under guaranteeing with the prerequisite of keyhole sealing, as: for described two anti-shifting blocks, wherein an anti-shifting block is provided with an anti-raised line of dialling, should anti-ly dial the width stage casing that raised line is in described anti-shifting block short transverse medial surface, and another anti-shifting block is provided with two symmetrical anti-raised lines of dialling, two anti-group raised lines are in the width both sides of described anti-shifting block short transverse medial surface respectively, that of front be anti-to be dialled anti-the dialling of raised line and back two and leaves space (being that the anti-anti-raised lines of dialling of raised line and back two of dialling of that of front do not contact on shifting block cavity axial each other preventing) between the raised lines, and the above three the anti-width sums of dialling raised line just equal the width of keyhole, certainly, must be provided with three in the key that matches with this Reed lock and anti-ly dial the grooves that raised line shapes and position adapt with described three; Being contained in locking plate groove middle level stacks the locking plate logarithm of putting and can determine flexibly as required; In addition, anti-shifting block that spring is housed and is roughly square block is placed in the vallecular cavity of anti-shifting block cavity and is slidingly matched also can, the distance of being somebody's turn to do between two parallel side of preventing the shifting block width is identical with the width of keyhole, and this distance is less than two distances that are parallel to each other between the plane in the vallecular cavity, should prevent that the tail side edge of shifting block width two parallel side was respectively equipped with a projection that is mutually symmetrical, the medial surface of anti-shifting block short transverse is provided with along its width layout and wide with keyhole, section is the anti-raised line of dialling of truncated cone shape, the lateral surface of anti-shifting block short transverse is the face of cylinder, the head end of anti-shifting block length direction has the corresponding baffle plate of a permission to enter and section configuration is the groove hole of half oval shape, two openings in groove hole are located at respectively on the lateral surface of the head end side of anti-shifting block length direction and short transverse, spring is installed in the groove hole and places the head end of anti-shifting block length direction, should prevent that two projections on the shifting block put in simultaneously near in two breach of same baffle plate, the spring-loaded other end of institute contacts with the medial surface of corresponding baffle plate on should anti-shifting block, make the lateral surface of anti-shifting block short transverse and a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, and the stem of lock body radially be provided with one with should get final product by anti-corresponding anti-allocating slot of shifting block, the width of anti-allocating slot, length is greater than the width of this anti-shifting block, length, certainly, must be provided with in the key that matches with this Reed lock one with the described anti-groove that raised line shape and position adapt of dialling.
Claims (6)
1, Reed lock, it comprises lock body, be contained in the lock cylinder in the lock body rotationally, lock core is axially having keyhole, lock core is provided with the locking plate groove, be loaded on the locking plate of at least one pair of the stacked placement in the locking plate groove and be connected in this spring between the locking plate, lock body is provided with the locked groove that ends that twice are symmetrical in the locking plate groove, each locking plate only reaches with corresponding locking plate groove, and locked groove is slidingly matched, it is characterized in that: lock core is formed by connecting by dismountable active mode by the anti-shifting block cavity of stem and the locking plate cavity of afterbody, keyhole is positioned at the head end of anti-shifting block cavity, locking plate groove, stacked locking plate and corresponding spring is located on the locking plate cavity in pairs.
2, Reed lock according to claim 1 is characterized in that:
The afterbody of anti-shifting block cavity radially has the plane that is parallel to each other by two, the vallecular cavity that the baffle plate of two radial symmetric surrounds, the radially dual-side on described each plane extends to respectively on the face of cylinder, the outside of anti-shifting block tail of cavity body, the tail side on each plane is having a radially symmetrical breach respectively near two baffle plate places, and it is also symmetrical near two breach of same baffle plate simultaneously, the lateral surface of described each baffle plate all with a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, all leave the gap of equal size between each baffle plate and two planes, the tail end of each baffle plate all is within the breech face of anti-shifting block cavity;
At least one anti-shifting block that spring is housed is placed in the vallecular cavity and is slidingly matched, distance between two parallel side of anti-shifting block width is identical with the width of keyhole, the tail side edge of anti-shifting block width two parallel side is respectively equipped with a projection that is mutually symmetrical, the medial surface of anti-shifting block short transverse is provided with along its width layout and with wide the preventing of keyhole and dials raised line, lateral surface is the face of cylinder, the head end of anti-shifting block length direction has a groove hole that allows corresponding baffle plate to enter, spring is installed in the groove hole and places the head end of anti-shifting block length direction, two projections put in simultaneously near in two breach of same baffle plate, the other end of spring contacts with the medial surface of corresponding baffle plate, make the lateral surface of anti-shifting block short transverse and a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, and the anti-raised line of dialling seals keyhole;
The stem of lock body is provided with at least one and the corresponding anti-allocating slot of anti-shifting block.
3, Reed lock according to claim 2 is characterized in that: the anti-allocating slot quantity that anti-shifting block of placing in the vallecular cavity of anti-shifting block cavity that spring is housed and lock body stem are provided with is two.
4, according to any one described Reed lock in the claim 1 to 3, it is characterized in that: the locking plate groove is an elongated slot that connects, and the length of locking plate groove makes its locking plate that can hold four pairs of stacked placements and four springs that are connected in respectively between every pair of locking plate.
5, Reed lock according to claim 4 is characterized in that: the sidepiece of each locking plate is provided with pit, and the spring that is connected between every pair of locking plate is placed in the pit of two locking plates.
6, according to any one described Reed lock in the claim 1 to 3, it is characterized in that: the sidepiece of each locking plate is provided with pit, and the spring that is connected between every pair of locking plate is placed in the pit of two locking plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038079 CN2675795Y (en) | 2004-01-18 | 2004-01-18 | Reed lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038079 CN2675795Y (en) | 2004-01-18 | 2004-01-18 | Reed lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2675795Y true CN2675795Y (en) | 2005-02-02 |
Family
ID=34483950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420038079 Expired - Fee Related CN2675795Y (en) | 2004-01-18 | 2004-01-18 | Reed lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2675795Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235686B (en) * | 2007-02-01 | 2011-02-09 | 桦岑工业有限公司 | Lock core structure |
| CN1641172B (en) * | 2004-01-18 | 2011-04-06 | 曹云周 | Leaf lock |
| CN101694134B (en) * | 2009-10-16 | 2012-03-14 | 曹云周 | Pull-preventing pin for lock |
| CN102605999A (en) * | 2012-03-20 | 2012-07-25 | 江阴市东方锁业有限公司 | Lock head capable of being broken |
-
2004
- 2004-01-18 CN CN 200420038079 patent/CN2675795Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641172B (en) * | 2004-01-18 | 2011-04-06 | 曹云周 | Leaf lock |
| CN101235686B (en) * | 2007-02-01 | 2011-02-09 | 桦岑工业有限公司 | Lock core structure |
| CN101694134B (en) * | 2009-10-16 | 2012-03-14 | 曹云周 | Pull-preventing pin for lock |
| CN102605999A (en) * | 2012-03-20 | 2012-07-25 | 江阴市东方锁业有限公司 | Lock head capable of being broken |
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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 |