CN219299000U - Flat unlocking lock - Google Patents
Flat unlocking lock Download PDFInfo
- Publication number
- CN219299000U CN219299000U CN202320043819.0U CN202320043819U CN219299000U CN 219299000 U CN219299000 U CN 219299000U CN 202320043819 U CN202320043819 U CN 202320043819U CN 219299000 U CN219299000 U CN 219299000U
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- lock
- lock bolt
- locking
- locking piece
- spring
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Abstract
The utility model relates to a flat unlocking lock, which comprises a lock shell, a lock assembly and a lock plunger, wherein the lock plunger comprises an upper lock plunger and a lower lock plunger which can slide along the length direction of the lock plunger, and the upper lock plunger and the lower lock plunger are respectively provided with a locking part; the lock assembly comprises a lock cylinder, an upper locking piece and a lower locking piece, wherein the bottom of the lock cylinder is provided with two action parts which are arranged away from the central shaft of the lock cylinder, and the upper locking piece and the lower locking piece are slidingly arranged in the lock shell and are correspondingly provided with a first spring and a second spring; under the action of the first spring and the second spring, the upper locking piece and the lower locking piece correspondingly act on the locking parts of the upper lock bolt and the lower lock bolt, so that the sliding trend of the upper lock bolt and the lower lock bolt is kept; the lock cylinder rotates, and the two functions of the lock cylinder respectively act on the upper locking piece and the lower locking piece, and the upper locking piece and the lower locking piece overcome the functions of the first spring and the second spring to respectively release the functions of the upper lock bolt and the lower lock bolt locking part. The utility model has the advantages of simple structure and good safety.
Description
Technical Field
The utility model relates to a flat unlocking lock.
Background
Existing flat locks have a lock housing through which the flat lock can be secured to a door, a lock assembly, and a lock bolt. The lock assembly can be controlled to lock or unlock the lock plunger, the conventional flat unlocking is generally provided with a square lock tongue or lock rod, the structure is simple and convenient, the lock tongue or the lock rod has no length or strength when being installed on a large door plate such as a rolling gate, and the lock tongue or the lock rod is extremely easy to be violently damaged, so that the safety is problematic.
Disclosure of Invention
The utility model aims to provide a flat unlocking lock with simple structure and good safety.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a flat lock comprises a lock shell, a lock assembly and a lock bolt, wherein the lock bolt comprises an upper lock bolt and a lower lock bolt which can slide along the length direction of the lock bolt, and the upper lock bolt and the lower lock bolt are respectively provided with a locking part; the lock assembly comprises a lock cylinder, an upper locking piece and a lower locking piece, wherein the bottom of the lock cylinder is provided with two action parts which are arranged away from the central shaft of the lock cylinder, and the upper locking piece and the lower locking piece are slidingly arranged in the lock shell and are correspondingly provided with a first spring and a second spring; under the action of the first spring and the second spring, the upper locking piece and the lower locking piece correspondingly act on the locking parts of the upper lock bolt and the lower lock bolt, so that the sliding trend of the upper lock bolt and the lower lock bolt is kept; the lock cylinder rotates, and the two functions of the lock cylinder respectively act on the upper locking piece and the lower locking piece, and the upper locking piece and the lower locking piece overcome the functions of the first spring and the second spring to respectively release the functions of the upper lock bolt and the lower lock bolt locking part.
The utility model has the advantages of simple structure and good safety.
Drawings
FIG. 1 is a schematic view showing a three-dimensional state structure in which a flat lock is mounted on a roll-up door in an example;
FIG. 2 is a schematic view of a three-dimensional state structure of a flat lock in an example;
FIG. 3 is a schematic view of a three-dimensional exploded view of a flat lock in an example;
FIG. 4 is a schematic longitudinal sectional view of an exemplary flat lock;
FIG. 5 is a schematic cross-sectional view of an exemplary flat lock;
FIG. 6 is a schematic view of the three-dimensional state structure of the lock bolt and lock assembly in an example flat lock (when locked);
fig. 7 is a schematic view of the three-dimensional state structure of the lock bolt and lock assembly in the flat unlocking in the example (unlocking).
Detailed Description
As shown in fig. 1, a flat lock is mounted on a roll-up door, which includes a lock housing 1, a lock assembly, and a lock bolt.
As shown in fig. 2 to 7, the latch includes an upper latch 2 and a lower latch 3 which are slidable along a length direction thereof, the upper latch 2 and the lower latch 3 are disposed in parallel with each other, and each of the upper latch 2 and the lower latch 3 has a locking portion (21, 31); more specifically, the upper latch 2 and the lower latch 3 are cylinders, and the locking portion 21 is a groove recessed around the circumference of the cylinders.
The lock assembly comprises a lock cylinder 41, an upper locking member 42 and a lower locking member 43.
The upper locking piece 42 and the lower locking piece 43 are slidably provided in the lock housing 1 and correspondingly provided with a first spring 44 and a second spring 45, more specifically, the sliding direction of the upper locking piece 42 and the lower locking piece 43 is perpendicular to the direction of the length direction of the upper lock bolt 2 and the lower lock bolt 3; under the action of the first spring 44 and the second spring 45, the upper locking piece 42 and the lower locking piece 43 correspond to the locking portions (21, 31) of the upper lock bolt 2 and the lower lock bolt 3, keep the tendency of preventing the sliding of the upper lock bolt 2 and the lower lock bolt 3, and achieve the purpose of locking.
More specifically, each of the upper lock member 42 and the lower lock member 43 has a first abutment portion (421, 431) and a second abutment portion (422, 432) which are arranged side by side, the upper lock member 42 and the lower lock member 43 are provided in opposition, the first abutment portion 421 of the upper lock member 42 is provided in correspondence with the second abutment portion 432 of the lower lock member 43, the second abutment portion 422 of the upper lock member 42 is provided in correspondence with the first abutment portion 431 of the lower lock member 43, the first spring 44 is provided between the first abutment portion 421 of the upper lock member 42 and the second abutment portion 432 of the lower lock member 43, and the second spring 45 is provided between the second abutment portion 422 of the upper lock member 42 and the first abutment portion 431 of the lower lock member 43.
The bottom of the lock cylinder 41 is provided with two action parts 411 which are arranged away from the central shaft of the lock cylinder 41, the lock cylinder 41 rotates, and the two action parts 411 of the lock cylinder 41 can respectively and correspondingly act on the upper locking piece 42 and the lower locking piece 43, so that the upper locking piece 42 and the lower locking piece 43 overcome the actions of the first spring 44 and the second spring 45 to respectively and correspondingly release the actions of the locking parts 21 of the upper lock bolt 2 and the lower lock bolt 3, and the purpose of unlocking is realized.
The upper locking piece 42 and the lower locking piece 43 are provided with action grooves (423, 433) in the middle of the second abutting parts (422, 432), two action parts 411 arranged at the bottom of the lock cylinder 41 respectively extend into the action grooves (423, 433), when the key is inserted into the lock cylinder 41 to unlock, the lock cylinder 41 rotates along with the key, and the two action parts 411 of the lock cylinder 41 respectively abut against one side surface of the action grooves (423, 433) to enable the upper locking piece 42 and the lower locking piece 43 to overcome the action of the first spring 44 and the second spring 45 along the sliding direction of the upper locking piece 42 and the lower locking piece 43.
The locking part 21 is formed by arc notches formed at the other ends of the first abutting parts (421, 431) and the second abutting parts (422, 432) which are oppositely arranged on the upper locking piece 42 and the lower locking piece 43, and when the arc notches abut on the annular groove, the upper locking piece 42 and the lower locking piece 43 prevent the sliding of the upper lock bolt 2 and the lower lock bolt 3.
The lock cylinder 41 includes a drill preventing piece 411 fixedly installed in the lock case 1 and a lock cylinder case 412 rotatably installed in the lock case 1, and two working portions 411 of the lock cylinder 41 are provided on a bottom end face of the lock cylinder case 412.
The lock case 1 is assembled by an inner case 11 and an outer case 12, guide grooves for sliding the upper locking member 42 and the lower locking member 43 are formed in the inner case 11, the upper locking member 42 and the lower locking member 43 are mounted and fixed in the inner case 11 by a side plate 14 and a locking screw 15, and the side plate 14 is provided with an upper screw sleeve 16 and a lower screw sleeve 17 corresponding to the upper locking member 42 and the lower locking member 43 so as to prevent the upper locking member 42 and the lower locking member 43 from being easily removed from the inner case after the locking screw 15 is removed. In order to make the appearance of the flat lock better, a soft sleeve 13 can be sleeved on the shell 12.
The inner housing 11 is provided with a slide way for sliding the upper lock bolt 2 and the lower lock bolt 3, one end of the upper lock bolt 2 and one end of the lower lock bolt 3 are inserted into the slide way, and the end caps (22, 32) are arranged at the end parts of the other end of the upper lock bolt 2 and the lower lock bolt 3, the upper lock bolt 2 and the lower lock bolt 3 are correspondingly sleeved with a third spring 23 and a fourth spring 33, one ends of the third spring 23 and the fourth spring 33 are propped against the end caps (22, 32) corresponding to the upper lock bolt 2 and the lower lock bolt 3, and the other ends are propped against the lock housing 1.
The flat unlocking also comprises a door frame locking frame, the door frame locking frame is provided with two locking plates 51, the locking plates 51 are provided with locking holes 511 corresponding to the upper lock bolt 2 and the lower lock bolt 3, and when the upper lock piece 42 and the lower lock piece 43 prevent the upper lock bolt 2 and the lower lock bolt 3 from sliding, one ends of the upper lock bolt 2 and the lower lock bolt 3, which are inserted into the slide ways, extend into the locking holes 511.
Claims (10)
1. A flat lock comprising a lock housing, a lock assembly and a lock bolt, wherein the lock bolt comprises an upper lock bolt and a lower lock bolt which can slide along the length direction of the lock bolt, and the upper lock bolt and the lower lock bolt are respectively provided with a locking part; the lock assembly comprises a lock cylinder, an upper locking piece and a lower locking piece, wherein the bottom of the lock cylinder is provided with two action parts which are arranged away from the central shaft of the lock cylinder, and the upper locking piece and the lower locking piece are slidingly arranged in the lock shell and are correspondingly provided with a first spring and a second spring; under the action of the first spring and the second spring, the upper locking piece and the lower locking piece correspondingly act on the locking parts of the upper lock bolt and the lower lock bolt, so that the sliding trend of the upper lock bolt and the lower lock bolt is kept; the lock cylinder rotates, and the two functions of the lock cylinder respectively act on the upper locking piece and the lower locking piece, and the upper locking piece and the lower locking piece overcome the functions of the first spring and the second spring to respectively release the functions of the upper lock bolt and the lower lock bolt locking part.
2. A flat lock according to claim 1, wherein the upper lock bolt and the lower lock bolt are arranged in parallel with each other, and the sliding direction of the upper lock bolt and the lower lock bolt is perpendicular to the longitudinal direction of the upper lock bolt and the lower lock bolt.
3. A flat lock according to claim 2, wherein the upper locking member and the lower locking member each have a first abutment portion and a second abutment portion arranged side by side, the upper locking member and the lower locking member being arranged in opposition, the first abutment portion of the upper locking member being arranged in correspondence with the second abutment portion of the lower locking member, the second abutment portion of the upper locking member being arranged in correspondence with the first abutment portion of the lower locking member, the first spring being arranged between the first abutment portion of the upper locking member and the second abutment portion of the lower locking member, the second spring being arranged between the second abutment portion of the upper locking member and the first abutment portion of the lower locking member.
4. A flat lock according to claim 3, wherein the upper and lower locking members are provided with an action groove in the middle of the second abutment portion thereof, two action portions provided at the bottom of the lock cylinder are respectively inserted into the action groove, and the lock cylinder is rotated, and the two action portions of the lock cylinder are respectively pressed against one side surface of the action groove to cause the upper and lower locking members to slide against the action of the first and second springs in the sliding direction thereof.
5. A flat lock according to claim 3, wherein the upper and lower bolts are cylinders and the locking portion is a groove recessed around the circumference of the cylinders.
6. The flat lock according to claim 5, wherein the locking portion is formed by forming an arc-shaped notch at the other end of the upper locking member and the lower locking member opposite to the first abutting portion and the second abutting portion, and the upper locking member and the lower locking member prevent sliding of the upper lock bolt and the lower lock bolt when the arc-shaped notch abuts on the ring groove.
7. A flat lock according to claim 1, wherein the lock cylinder comprises a drill preventing piece fixedly installed in the lock housing and a lock cylinder housing rotatably installed in the lock housing, and wherein the two action portions of the lock cylinder are provided on the bottom end face of the lock cylinder housing.
8. A flat lock according to any one of claims 1 to 7, wherein the lock housing is assembled from an inner housing and an outer housing, the inner housing being provided with guide slots for sliding movement of the upper and lower locking members.
9. A flat lock according to claim 8, wherein the inner housing is provided with a slide way for sliding the upper and lower bolts, one ends of the upper and lower bolts are inserted into the slide way and the other ends are provided with end caps, the upper and lower bolts are respectively sleeved with a third and fourth spring, one ends of the third and fourth springs are abutted against the end caps of the corresponding upper and lower bolts, and the other ends are abutted against the lock housing.
10. A flat lock according to claim 8, further comprising a door frame locking frame having two locking plates provided with locking holes corresponding to the upper and lower bolts, wherein when the upper and lower bolts are prevented from sliding, one ends of the upper and lower bolts inserted into the slide rail are extended into the locking holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320043819.0U CN219299000U (en) | 2023-01-06 | 2023-01-06 | Flat unlocking lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320043819.0U CN219299000U (en) | 2023-01-06 | 2023-01-06 | Flat unlocking lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299000U true CN219299000U (en) | 2023-07-04 |
Family
ID=86986215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320043819.0U Active CN219299000U (en) | 2023-01-06 | 2023-01-06 | Flat unlocking lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299000U (en) |
-
2023
- 2023-01-06 CN CN202320043819.0U patent/CN219299000U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |