CN220226521U - Sheet-arranging lockset and key thereof - Google Patents
Sheet-arranging lockset and key thereof Download PDFInfo
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- CN220226521U CN220226521U CN202321500291.1U CN202321500291U CN220226521U CN 220226521 U CN220226521 U CN 220226521U CN 202321500291 U CN202321500291 U CN 202321500291U CN 220226521 U CN220226521 U CN 220226521U
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- lock
- key
- hole
- inner sleeve
- locking
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- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a row-plate lockset and a key thereof, comprising a lock cylinder and a key, wherein the lock cylinder is provided with a lock hole for inserting the key, a plurality of lock plates are arranged in the lock cylinder, each lock plate is provided with a through hole for the key to pass through, the inner side of the through hole is provided with a notch or a bulge, the notch penetrates through the surfaces of two sides of the lock plate along the axial direction of the through hole, the key is provided with a handle part and a rod inserting part for inserting the lock hole, the periphery of the rod inserting part is provided with a pushing step corresponding to each lock plate, the periphery of the rod inserting part is also provided with a raised strip or a groove corresponding to the notch or the bulge, and the raised strip or the groove extends along the axial direction of the rod inserting part. According to the utility model, the convex strips or the grooves are arranged on the periphery of the key plunger, so that the copying difficulty of the key is increased, the anti-theft performance of the lockset is improved, and the number matching quantity of the key and the lock cylinder can be increased through the shape and the position of the convex strips or the grooves.
Description
Technical Field
The utility model relates to the technical field of locks, in particular to a row-plate lock and a key thereof.
Background
The common row-piece lock head comprises an outer sleeve, an inner sleeve, a plurality of locking pieces and a plurality of elastic elements, wherein the locking pieces and the elastic elements are arranged in the inner sleeve, the inner sleeve is rotatably arranged in the outer sleeve, a plurality of positioning grooves with the same number as the locking pieces are axially arranged on the inner wall of the outer sleeve at intervals, and the front end of a key matched with the positioning grooves is provided with steps from low to high, and each step corresponds to each locking piece. The working principle of the row-piece type lock cylinder is that a key matched with the row-piece type lock cylinder is inserted through rotation to drive the inner sleeve to rotate in the outer sleeve, and the functions of unlocking and locking can be realized by utilizing the cooperation of the rotation of the inner sleeve and corresponding parts in other locks. When the key is not inserted, the plurality of elastic elements push and stack the locking plates in front of the lock cylinder, the locking plates and the positioning grooves are kept at staggered positions, the locking plates and the inner sleeve are limited and cannot rotate relative to the outer sleeve, and the lock cylinder is in a locking state. When the key is inserted, if the key is a matched key, each step structure on the key can push each locking plate to the corresponding positioning groove, at the moment, the locking plate and the inner sleeve are released from restriction, the lock cylinder is in an unlocking state, and the lock can be opened by rotating the key; otherwise, if the key is not matched, each step structure on the key can not push each locking plate to the position of the positioning groove, the locking plate and the inner sleeve are not released, and the lock cylinder is still in a locking state.
However, the conventional flat lock cylinder structure has the following disadvantages that the number matching between the key and the lock cylinder is realized by arranging different step structures and positioning grooves matched with the steps, and the number matching is determined only by the number of the step structures on the key. The key is easy to copy due to the fact that only the step structure is needed to be machined on the key, and the anti-theft performance of the product is affected.
Disclosure of Invention
The utility model provides a flat-plate lock and a key thereof, which can increase the number distribution number of flat-plate lock cores, improve the difficulty of duplicating the key and improve the anti-theft performance of the lock.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a row's piece tool to lock, includes lock core and key, the lock core has the lockhole that supplies the key male, be equipped with a plurality of locking pieces in the lock core, have the through hole that supplies the key to pass on each locking piece, the inboard of through hole is equipped with breach or arch, the breach runs through the both sides surface of locking piece along the axial of through hole, the key has handle portion and is used for inserting the inserted bar portion of lockhole, the week side of inserted bar portion is equipped with the butt step that corresponds respectively with each locking piece, the week side of inserted bar portion still is equipped with the sand grip or the recess that correspond with breach or arch, sand grip or recess extend along the axial of inserted bar portion. According to the utility model, the convex strips or the grooves are arranged on the periphery of the key plunger, so that the copying difficulty of the key is increased, the anti-theft performance of the lockset is improved, and the number matching quantity of the key and the lock cylinder can be increased through the shape and the position of the convex strips or the grooves.
As a preferred technical scheme, the lock cylinder comprises a fixed outer sleeve and an inner sleeve, wherein the inner sleeve is rotatably arranged in the outer sleeve, a plurality of locking plates are sequentially arranged in the inner sleeve along the axial direction of the inner sleeve and synchronously rotate along with the inner sleeve, the axial direction of a through hole of each locking plate is parallel to the axial direction of the inner sleeve, and a plurality of elastic elements which respectively enable each locking plate to have a trend of moving towards one side of a locking hole are arranged in the inner sleeve.
As a preferable technical scheme, the notch is circular arc, polygonal and triangle-like, and the cross section of the raised strip is circular arc, polygonal and triangle-like.
As a preferable technical scheme, the protrusions are arc-shaped, polygonal and triangular, and the cross sections of the grooves are arc-shaped, polygonal and triangular.
As a preferable technical scheme, the free tail end of the inserted link part is provided with a non-circular embedded block, and the inner sleeve is provided with an embedded groove matched with the embedded block.
As a preferable technical scheme, one end of the raised strip away from the handle part is provided with a guide inclined plane which is convenient to insert into the lock hole.
The utility model also provides a key of the row-plate lockset, which is provided with a handle part and a plunger part for inserting the lock cylinder, wherein the periphery of the plunger part is provided with a pushing step corresponding to each locking plate in the lock cylinder, and the periphery of the plunger part is also provided with a convex strip or a groove which extends along the axial direction of the plunger part.
As a preferable technical scheme, the cross section of the raised line or the groove is circular arc, polygonal and triangle-like.
As a preferred solution, the free tail end of the plunger has a non-circular insert.
As a preferable technical scheme, one end of the raised strip away from the handle part is provided with a guide inclined plane which is convenient to insert into the lock hole.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the convex strips or grooves are arranged on the periphery of the key plunger, so that the copying difficulty of the key is increased, the anti-theft performance of the lockset is improved, the number matching quantity of the key and the lock core can be increased through the shape and position changes of the convex strips or grooves, and the mutual unlocking rate between the locks is reduced.
For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic diagram of a lock assembly structure according to a first embodiment of the present utility model;
FIG. 2 is an exploded view of a lock according to a first embodiment of the present utility model;
FIG. 3 is a schematic diagram of a lock plate and key structure according to a second embodiment of the present utility model;
FIG. 4 is a schematic diagram of a lock plate and key structure according to a third embodiment of the present utility model;
FIG. 5 is a schematic diagram of a lock plate and key structure according to a fourth embodiment of the present utility model;
FIG. 6 is a schematic diagram of a lock plate and key structure according to a fifth embodiment of the present utility model;
FIG. 7 is a schematic diagram of a lock plate and key structure according to a sixth embodiment of the present utility model;
fig. 8 is a schematic diagram of a lock plate and key structure according to a seventh embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. lock core 11, outer sleeve 12 and inner sleeve
13. Locking plate 131, through hole 132 and notch
133. Protrusion 20, key 21, handle portion
22. The insertion rod part 23, the pushing step 24 and the convex strip
25. Guide ramp 26, insert 27, groove.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1-2, in a first embodiment of the present utility model, a flat lock includes a lock cylinder 10 and a key 20, the lock cylinder 10 has a lock hole into which the key 20 is inserted, the lock cylinder 10 includes a fixed outer sleeve 11 and an inner sleeve 12, the inner sleeve 12 is rotatably mounted in the outer sleeve 11, a plurality of lock pieces 13 are disposed in the lock cylinder 10, each lock piece 13 has a through hole 131 through which the key 20 passes, the plurality of lock pieces 13 are sequentially disposed in the inner sleeve 12 along an axial direction of the inner sleeve 12 and synchronously rotate with the inner sleeve 12, the axial direction of the through hole 131 of each lock piece 13 is parallel to the axial direction of the inner sleeve 12, a plurality of elastic elements (not shown) which respectively make each lock piece 13 have a tendency to move to one side of the lock hole are disposed in the inner sleeve 12, the inner side of the through hole 131 is provided with a notch 132, the notch 132 penetrates through both side surfaces of the lock piece 13 along an axial direction of the through hole 131, the key 20 has a handle 21 and a plunger 22 for insertion, a circumferential side of the plunger 22 is provided with a pushing step 23 corresponding to each lock piece 13, the plunger 22 is disposed on a circumferential side of the plunger 22, and the plunger 24 is also provided with a protrusion 24 extending along the axial direction of the notch 24.
Specifically, in this embodiment, the free tail end of the plunger portion 22 has a non-circular insert 26, and the inner sleeve 12 is provided with an insert groove (not shown) that mates with the insert 26, so that the number of the key 20 and the lock cylinder 10 can be increased by changing the shapes of the insert 26 and the insert groove. The elastic element is a compression spring, and other elements with elastic restoring capability can be used for replacing the elastic element in actual use. The one end that grip portion 21 was kept away from to the sand grip 24 is equipped with the guide slope 25 of being convenient for insert the lockhole, through setting up guide slope 25 to make the inserted bar portion 22 of key 20 pass the through-hole 131 on lockhole and the locking plate 13 fast, improve the convenience that the tool to lock was used.
Fig. 2-5 show the structures of the locking plate 13 and the key 20 according to the first to fourth embodiments of the present utility model, in which the through holes 131 on the locking plate 13 are all in an oval hexagonal shape, and the inner sides of the through holes 131 are all provided with notches 132, which are different in shape and size of the notches 132 on each locking plate 13, for example, the notches 132 of the first and third embodiments are arc-shaped, the notches 132 of the second embodiment are triangular-like, and the notches 132 of the fourth embodiment are quadrilateral. The cross section of the inserted bar portion 22 of the corresponding key 20 is in an elliptical hexagon, and the inserted bar portion 22 is provided with convex strips 24 corresponding to the shape of the notch 132.
Fig. 6 and 7 show structures of a locking plate 13 and a key 20 according to a fifth embodiment and a sixth embodiment of the present utility model, in which a through hole 131 in the locking plate 13 is quadrilateral, and a circular arc-shaped notch 132 is provided at an inner side of the through hole 131, wherein positions of the notch 132 are different in the two embodiments, a cross section of a rod portion 22 of the corresponding key 20 is quadrilateral, and convex strips 24 corresponding to positions of the notch 132 are provided on the rod portion 22.
Fig. 8 shows a structure of a locking plate 13 and a key 20 according to a seventh embodiment of the present utility model, in this embodiment, a through hole 131 in the locking plate 13 is in a quadrilateral shape, a protrusion 133 protruding in an arc is provided on an inner side of the through hole 131, a cross section of a corresponding plunger portion 22 of the key 20 is in a quadrilateral shape, and a groove 27 corresponding to the protrusion 133 is provided on the plunger portion 22, and the groove 27 extends along an axial direction of the plunger portion 22.
It should be understood that the above embodiment only shows the shapes of the through hole 131, the notch 132 and the protrusion 133, and may be configured into other shapes, such as triangle, special shape, etc., as required in practical applications.
The utility model also provides a key 20 of the row-plate lockset, the key 20 is provided with a handle part 21 and a plunger part 22 for inserting the lock cylinder 10, the circumference side of the plunger part 22 is provided with a pushing step 23 corresponding to each lock plate 13 in the lock cylinder 10, the circumference side of the plunger part 22 is also provided with a convex strip 24 or a groove 27, and the convex strip 24 or the groove 27 extends along the axial direction of the plunger part 22.
Specifically, the cross section of the raised strip 24 or the groove 27 is circular arc, polygonal, or triangle-like. As shown in fig. 2-5, the free end of the plunger portion 22 has a non-circular insert 26, and the end of the rib 24 remote from the handle portion 21 is provided with a guide ramp 25 for facilitating insertion into a locking aperture.
In summary, the present utility model increases the duplication difficulty of the key 20 and improves the anti-theft performance of the lock by providing the protrusion 24 or the groove 27 on the peripheral side of the insertion portion 22 of the key 20, and simultaneously increases the number matching number between the key 20 and the lock cylinder 10 by changing the shape and the position of the protrusion 24 or the groove 27, thereby reducing the mutual unlocking rate between locks.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.
Claims (10)
1. The utility model provides a row's piece tool to lock, includes lock core and key, the lock core has the lockhole that supplies the key male, be equipped with a plurality of locking pieces in the lock core, have the through-hole that supplies the key to pass on each locking piece, its characterized in that, the inboard of through-hole is equipped with breach or arch, the both sides surface of the axial through-hole of breach along the locking piece, the key has handle portion and is used for inserting the inserted bar portion of lockhole, the week side of inserted bar portion is equipped with the butt step that corresponds respectively with each locking piece, the week side of inserted bar portion still is equipped with the sand grip or the recess that correspond with breach or arch, sand grip or recess extend along the axial of inserted bar portion.
2. The blade lock according to claim 1, wherein the lock cylinder comprises a fixed outer sleeve and an inner sleeve rotatably mounted in the outer sleeve, a plurality of locking blades are sequentially disposed in the inner sleeve along an axial direction of the inner sleeve and synchronously rotate with the inner sleeve, an axial direction of the through hole of each locking blade is parallel to an axial direction of the inner sleeve, and a plurality of elastic elements which respectively enable each locking blade to have a tendency to move to one side of the lock hole are disposed in the inner sleeve.
3. The blade lock of claim 1, wherein the notch is circular arc, polygonal, and triangular, and the cross section of the rib is circular arc, polygonal, and triangular.
4. The blade lock of claim 1, wherein the protrusion is circular arc, polygonal, triangular-like, and the cross section of the groove is circular arc, polygonal, triangular-like.
5. The blade lock of claim 2, wherein the free tail end of the plunger portion has a non-circular slug, and the inner sleeve has a slug mating slug groove.
6. The blade lock of claim 1, wherein the end of the rib remote from the handle portion is provided with a guide ramp for facilitating insertion into the locking aperture.
7. A key for a flat lock as defined in any one of claims 1 to 6, wherein the key has a handle portion and a plug portion for inserting a lock cylinder, a pushing step corresponding to each lock piece in the lock cylinder is provided on a peripheral side of the plug portion, and a protrusion or a groove extending in an axial direction of the plug portion is further provided on the peripheral side of the plug portion.
8. The key to a flat panel lock according to claim 7, wherein the cross section of the rib or groove is circular arc, polygonal, triangular-like.
9. The key to a blade lock of claim 7, wherein the free tail end of the plunger portion has a non-circular slug.
10. The key to a flat panel lock according to claim 7, wherein the end of the rib remote from the handle portion is provided with a guide ramp for facilitating insertion into the lock aperture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321124137 | 2023-05-10 | ||
| CN2023211241379 | 2023-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226521U true CN220226521U (en) | 2023-12-22 |
Family
ID=89186558
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321496740.XU Active CN220226522U (en) | 2023-05-10 | 2023-06-12 | Number changing structure of row-sheet lock core and key thereof |
| CN202321500291.1U Active CN220226521U (en) | 2023-05-10 | 2023-06-12 | Sheet-arranging lockset and key thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321496740.XU Active CN220226522U (en) | 2023-05-10 | 2023-06-12 | Number changing structure of row-sheet lock core and key thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN220226522U (en) |
-
2023
- 2023-06-12 CN CN202321496740.XU patent/CN220226522U/en active Active
- 2023-06-12 CN CN202321500291.1U patent/CN220226521U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN220226522U (en) | 2023-12-22 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |