CN203594275U - Bi-directional sealing lock head and key - Google Patents
Bi-directional sealing lock head and key Download PDFInfo
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- CN203594275U CN203594275U CN201320827652.3U CN201320827652U CN203594275U CN 203594275 U CN203594275 U CN 203594275U CN 201320827652 U CN201320827652 U CN 201320827652U CN 203594275 U CN203594275 U CN 203594275U
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- marble
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Abstract
The utility model discloses a bi-directional sealing lock head and a key. The bi-directional sealing lock head comprises a lock body (2), a lock cylinder (6) and the key (12). The lock body (2) and the lock cylinder (6) are correspondingly provided with a sealing pellet hole (4) and a step sealing pellet hole (7) which are communicated with each other, the sealing pellet hole (4) and the step sealing pellet hole (7) are sequentially provided with a step sealing pellet (8), an upper sealing pellet (5) and a pellet spring (3) and sealed through sealing beads (1), and the lock cylinder (6) is provided with a key hole sealing device (10). The key hole sealing device comprises a special-shaped pellet sleeve (18), a special-shaped sealing pellet (19) and a special-shaped pellet spring (20). The special-shaped sealing pellet (19) is movably arranged in the special-shaped pellet sleeve (18) through the special-shaped pellet spring (20), and the head of the special-shaped sealing pellet (19) extends into a key hole (9) and is matched with the step sealing pellet (8) to seal the key hole (9). The bi-directional sealing lock head has the advantages of being simple and reasonable in structure, convenient to produce and process and good in anti-theft performance, and accordingly the key which is of a novel structure is derived.
Description
Technical field
The utility model relates to a kind of mechanical lock, the novel key that particularly a kind of mechanical double-way with good theftproof performance seals tapered end and derives from.
Background technology
Although existing all kinds of mechanical lock head profile is ever-changing, the internal construction of tapered end is basic identical, is mainly made up of parts such as lock body, lock core, keys, is aided with pellet different in size and marble spring, jointly forms locking and the open function of tapered end.When blocking, the lower pellet in marble hole is all lower than plug face under the elastic force effect of marble spring, and upper pellet half enters in lock core, and second half is stayed in lock body, and now lock core can not rotate.When inserting after key, the different key bit of height overcomes the lower pellet of extruding after the elastic force of marble spring on the key, the rising that makes lower pellet upwards make differing heights is moved, cause whole lower pellet afterbodys and plug face to maintain an equal level, and upper pellet is all discharged to lock core, lock core can freely rotate relative to lock body under key drives, and tapered end just can be opened.When this type of tapered end has just been released market, due to pellet circumferentially and distribute morely, lawless person does not also have special pirate of the open instrument for the moment, therefore, theftproof performance is better.But after use in a few years, occurred the special pirate of the open instrument for this type of tapered end on market, As time goes on and constantly theftproof performance also declines.Therefore, people have developed again blade lock, although on theftproof performance, there is large increase, but can not stop, need further improvement.For this reason, many manufacturers and knowledgeable people have carried out development, but not yet have so far rational product to emerge.
Summary of the invention
The above-mentioned disadvantage existing in order to overcome existing machinery formula tapered end, the purpose of this utility model is not change on the basis of existing tapered end internal construction, increase by one group of closing device in the entrance of keyhole, further improve two-way sealing tapered end and the key of antitheft function.
The utility model solves the problems of the technologies described above adopted technical scheme, it comprises lock body, lock core, key, lock core is arranged in lock body rotationally, lock core is provided with keyhole, the corresponding sealing marble hole and the ladder sealing marble hole that are connected of being provided with on described lock body and lock core, on sealing marble hole and ladder sealing marble hole, be provided with successively ladder sealing pellet, on seal pellet, marble spring and by sealing bead capping, ladder sealing pellet is arranged on ladder sealing marble hole, and its head stretches in keyhole, described lock core is provided with keyhole closing device, this device comprises Special-shaped marble cover, abnormity sealing pellet, Special-shaped marble spring, Special-shaped marble cover (18) is fixed on the Special-shaped marble hole of lock core (6), marble hole (7) is sealed on same axis with sealing marble hole (4) and ladder in Special-shaped marble hole, abnormity sealing pellet is arranged in Special-shaped marble cover movably by Special-shaped marble spring, the head of abnormity sealing pellet stretches in keyhole and with ladder sealing pellet and coordinates sealed key hole, lock body is provided with the obturator hernia matching with abnormity sealing pellet afterbody.
The described sealing open keyhole that is provided with on the key, is provided with by bearing pin the axle sleeve of unblanking matching with ladder sealing pellet and abnormity sealing pellet on sealing open keyhole.
The elastic force of described Special-shaped marble spring is greater than the elastic force of marble spring.
The head of described abnormity sealing pellet is nose cone, and the afterbody of abnormity sealing pellet is socket cap.
Adopt after said structure, have the following advantages compared with the prior art and effect: the one, due to ladder sealing pellet and the abnormity sealing pellet of sealed key hole being set in the entrance of keyhole, need act on ladder sealing pellet and abnormity sealing pellet simultaneously and just can unblank by the key of new construction, further increase opening difficulty, greatly improve theftproof performance.The 2nd, owing to having increased on the key sealing open keyhole, on sealing open keyhole, be provided with by bearing pin the axle sleeve of unblanking matching with ladder sealing pellet and abnormity sealing pellet, derive new structure key for this reason, make key there is obvious distinguishing characteristics.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model while not inserting key.
Structural representation when Fig. 2 is the utility model insertion key.
Structural representation when Fig. 3 is the utility model insertion pirate of the open instrument.
Fig. 4 is the structural representation of the utility model key.
Fig. 5 is the A-A sectional structure schematic diagram of the utility model Fig. 4.
Fig. 6 is the structural representation of the utility model keyhole closing device.
Wherein 1 sealing bead, 2 lock bodies, 3 marble springs, 4 sealing marble holes, on 5, seal pellet, 6 lock cores, 7 ladder sealing marble holes, 8 ladder sealing pellets, 9 keyholes, 10 keyhole closing devices, 11 obturator hernias, 12 keys, 13 axle sleeves of unblanking, 14 bearing pins, 15 pirate of the open instruments, 16 sealing open keyholes, 17 nose cones, 18 Special-shaped marble covers, 19 abnormity sealing pellets, 20 Special-shaped marble springs, 21 socket caps.
The specific embodiment
Shown in Fig. 1 to Fig. 6, for the specific embodiments of a kind of two-way sealing tapered end of the utility model and key, it comprises lock body 2, lock core 6, key 12, lock core 6 is arranged in lock body 2 rotationally, lock core 6 is provided with keyhole 9, the corresponding sealing marble hole 4 and the ladder sealing marble hole 7 that are connected of being provided with on described lock body 2 and lock core 6, on sealing marble hole 4 and ladder sealing marble hole 7, be provided with successively ladder sealing pellet 8, upper sealing pellet 5, marble spring 3 by sealing bead 1 capping, ladder sealing pellet 8 is arranged on ladder sealing marble hole 7, its head stretches in keyhole 9, described lock core 6 is provided with keyhole closing device 10, this device comprises Special-shaped marble cover 18, abnormity sealing pellet 19, Special-shaped marble spring 20, Special-shaped marble cover 18 is fixed on the Special-shaped marble hole of lock core 6, marble hole 7 is sealed on same axis with sealing marble hole 4 and ladder in Special-shaped marble hole, abnormity sealing pellet 19 is arranged in Special-shaped marble cover 18 movably by Special-shaped marble spring 20, the head of abnormity sealing pellet 19 stretches in keyhole 9 and with ladder sealing pellet 8 and coordinates sealed key hole 9, lock body 2 is provided with the obturator hernia 11 matching with abnormity sealing pellet 19 afterbodys.Can promote ladder sealing pellet 8 and upper sealing pellet 5 when unblanking, the elastic force of described Special-shaped marble spring 20 is greater than the elastic force of marble spring 3.In order conveniently to unblank, the head of described abnormity sealing pellet 19 is nose cone 17, and the afterbody of abnormity sealing pellet 19 is socket cap 21.
Described key 12 is provided with sealing open keyhole 16, on sealing open keyhole 16, is provided with by bearing pin 14 axle sleeve 13 of unblanking matching with ladder sealing pellet 8 and abnormity sealing pellet 19.
The utility model course of work is as follows, in the time inserting key 12 on the keyhole 9 at lock core 6, as shown in Figure 2, the axle sleeve 13 of unblanking of key 3 seals pellet 19 at same axis with ladder sealing pellet 8 and abnormity, abnormity sealing pellet 19 its head nose cone 17 pushing tows under the 20 elastic force effects of Special-shaped marble spring axle sleeve 13 of unblanking, the axle sleeve 13 that makes to unblank is close to bearing pin 14, the afterbody socket cap 21 of abnormity sealing pellet 19 maintains an equal level with lock core 6 outer circumference surfaces, unblank the simultaneously pushing tow ladder sealing pellet 8 again of top arc of axle sleeve 13, upper sealing pellet 5, marble spring 3, the unblank top arc of axle sleeve 13 exceeds key 12 surfaces, the raised area enters ladder sealing marble hole 7, overcoming the sealing marble hole 4 that after marble spring 3 elastic force, upper sealing pellet 5 is all headed into lock body 2, ladder sealing pellet 8 is maintained an equal level with lock core 6 outer circumference surfaces, the relative lock body 2 of lock core 6 is free to rotate, now rotate key 12, tapered end just can be opened.
When extracting after key 12, as shown in Figure 1, the axle sleeve 13 of unblanking of key 3 pushes the pressure of ladder sealing pellet 8 and abnormity sealing pellet 19 and removes, abnormity sealing pellet 19 automatically resets under the 20 elastic force effects of Special-shaped marble spring, ladder sealing pellet 8 and upper sealing pellet 5 automatically reset under marble spring 3 elastic force effects, ladder sealing pellet 8 and abnormity sealing pellet 19 are closed keyhole 9 again, now upper sealing pellet 5 half enter in lock core 6, second half is stayed in lock body 2, abnormity sealing pellet 19 all enters in lock core 6, thereby realizes locking.
In the time that lawless person opens with pirate of the open instrument 15, as shown in Figure 3, under pirate of the open instrument 15 pushing tows at compression Special-shaped marble spring 20 simultaneously, its afterbody socket cap 21 inserts in the obturator hernia 11 of lock core 6 abnormity sealing pellet 19, ladder sealing pellet 8, upper sealing pellet 5 and marble spring 3 bounce back under pirate of the open instrument 15 pushing tows, ladder sealing pellet 8 is maintained an equal level with lock core 6 inner peripheral surfaces, ladder sealing pellet 8 also has a segment distance with lock core 6 outer circumference surfaces, upper sealing pellet 5 also has one section to stay in ladder sealing marble hole 7, while now rotating pirate of the open instrument 15, because abnormity sealing pellet 19 afterbody socket caps 21 insert in the obturator hernia 11 of lock core 6 and upper sealing pellet 5 also has in one section of ladder sealing marble hole 7 of staying lock core 6, lock core 6 cannot rotate at all, tapered end cannot be opened, thereby greatly improve antitheft performance.
Above content is further illustrating of in conjunction with specific embodiments the utility model being done; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; make some simple deductions and replacement, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. a two-way sealing tapered end and key, comprise lock body (2), lock core (6), key (12), lock core (6) is arranged in lock body (2) rotationally, lock core (6) is provided with keyhole (9), it is characterized in that: the upper correspondence of described lock body (2) and lock core (6) is provided with the sealing marble hole (4) and the ladder sealing marble hole (7) that are connected, on sealing marble hole (4) and ladder sealing marble hole (7), be provided with successively ladder sealing pellet (8), upper sealing pellet (5), marble spring (3) by sealing bead (1) capping, ladder sealing pellet (8) is arranged on ladder sealing marble hole (7), its head stretches in keyhole (9), described lock core (6) is provided with keyhole closing device (10), this device comprises Special-shaped marble cover (18), abnormity sealing pellet (19), Special-shaped marble spring (20), Special-shaped marble cover (18) is fixed on the Special-shaped marble hole of lock core (6), marble hole (7) is sealed on same axis with sealing marble hole (4) and ladder in Special-shaped marble hole, abnormity sealing pellet (19) is arranged in Special-shaped marble cover (18) movably by Special-shaped marble spring (20), the head of abnormity sealing pellet (19) stretches in keyhole (9) and with ladder sealing pellet (8) and coordinates sealed key hole (9), lock body (2) is provided with the obturator hernia (11) matching with abnormity sealing pellet (19) afterbody.
2. two-way sealing tapered end according to claim 1 and key, it is characterized in that: described key (12) is provided with sealing open keyhole (16) the upper axle sleeve of unblanking (13) matching with ladder sealing pellet (8) and abnormity sealing pellet (19) that is provided with by bearing pin (14) of sealing open keyhole (16).
3. two-way sealing tapered end according to claim 1 and 2 and key, is characterized in that: the elastic force of described Special-shaped marble spring (20) is greater than the elastic force of marble spring (3).
4. two-way sealing tapered end according to claim 3 and key, it is characterized in that: the head of described abnormity sealing pellet (19) is nose cone (17), the afterbody of abnormity sealing pellet (19) is socket cap (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827652.3U CN203594275U (en) | 2013-12-17 | 2013-12-17 | Bi-directional sealing lock head and key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827652.3U CN203594275U (en) | 2013-12-17 | 2013-12-17 | Bi-directional sealing lock head and key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594275U true CN203594275U (en) | 2014-05-14 |
Family
ID=50675170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320827652.3U Expired - Fee Related CN203594275U (en) | 2013-12-17 | 2013-12-17 | Bi-directional sealing lock head and key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178715A (en) * | 2015-10-09 | 2015-12-23 | 李建元 | Pull-down type magnetic cylinder lock and unlocking key thereof |
-
2013
- 2013-12-17 CN CN201320827652.3U patent/CN203594275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178715A (en) * | 2015-10-09 | 2015-12-23 | 李建元 | Pull-down type magnetic cylinder lock and unlocking key thereof |
| CN105178715B (en) * | 2015-10-09 | 2018-01-19 | 李建元 | Pull-down magnetic cylinder lock and its key for opening the lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |