CN219952977U - Door lock mechanism - Google Patents
Door lock mechanism Download PDFInfo
- Publication number
- CN219952977U CN219952977U CN202321082484.XU CN202321082484U CN219952977U CN 219952977 U CN219952977 U CN 219952977U CN 202321082484 U CN202321082484 U CN 202321082484U CN 219952977 U CN219952977 U CN 219952977U
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- connecting rod
- locking
- lock
- plate
- door
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- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a door lock mechanism, which comprises a first door plate and a second door plate which are arranged oppositely, and further comprises: the locking connecting rod is arranged on the first door plate and can move up and down; the lower locking connecting rod is arranged below the upper locking connecting rod and is symmetrically arranged with the upper locking connecting rod; the lock assembly is rotatably arranged on the first door plate and is connected with the upper lock connecting rod and the lower lock connecting rod so as to drive the upper lock connecting rod and the lower lock connecting rod to move relatively or reversely; the locking plate assembly comprises two locking plates which are arranged up and down, the two locking plates are respectively in rotary pin joint with the locking connecting rod and the lower locking connecting rod, a limiting column is arranged on the first door plate, and a limiting chute for the limiting column to extend in is arranged on the locking plates. The door lock mechanism provided by the utility model has the advantages of stable structure and convenience in operation.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to a door lock mechanism.
Background
Chinese patent CN 204876893U discloses a lock for filing cabinet, including upper lock rod, lower lock rod and lock, lock device is provided with the locking plate on the lock in the lockhole on the door on the lock, and the locking plate rotates in step along with the switching of lock, and the tip of upper lock rod, lower lock rod is connected respectively in the both sides of locking plate, and the other end of upper lock rod, lower lock rod then sets up in the lock rod cover that is located the door upside down side, and the main part of upper lock rod, lower lock rod is parallel and is located vertical direction with the axial of lock rod cover, and the one end that upper lock rod, lower lock rod and locking plate are connected becomes the buckling structure of L shape. The locking plate is rotated to drive the upper locking rod and the lower locking rod to move along the vertical direction so as to lock and unlock the cabinet door.
However, the lock structure described above has the following drawbacks: the structure is generally used for locking a single-door cabinet door and is not suitable for a double-door cabinet door; if the upper lock rod and the lower lock rod are too long, bending can occur, the stability is insufficient, the locking phenomenon is easy to occur, and the door lock cannot be opened.
The present utility model has been made in order to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a door lock mechanism which is stable in structure and convenient to operate.
Based on the problems, the technical scheme provided by the utility model is as follows:
a door lock mechanism comprising oppositely disposed first and second door panels, further comprising:
the locking connecting rod is arranged on the first door plate and can move up and down;
the lower locking connecting rod is arranged below the locking connecting rod and is symmetrically arranged with the locking connecting rod;
the lock assembly is rotatably arranged on the first door plate and is connected with the upper lock connecting rod and the lower lock connecting rod so as to drive the upper lock connecting rod and the lower lock connecting rod to move relatively or reversely;
the locking plate assembly comprises two locking plates which are arranged up and down, the two locking plates are respectively in rotary pin joint with the locking connecting rod and the locking connecting rod, a limiting column is arranged on the first door plate, and a limiting chute for the limiting column to extend in is arranged on the locking plates;
when the lock assembly drives the locking connecting rod and the lower locking connecting rod to move oppositely, the locking connecting rod and the lower locking connecting rod respectively move to the upper part and the lower part of the first door plate, the first door plate is locked, and in the moving process of the locking connecting rod and the lower locking connecting rod oppositely, the locking plate rotates to the second door plate, and the second door plate is locked; and when the lock assembly drives the upper lock connecting rod and the lower lock connecting rod to move oppositely and reset, the first door plate and the second door plate are opened.
In some embodiments, the lock assembly comprises a lock body rotatably arranged on the first door plate and a gear lock tongue arranged on the lock body, a first transmission bar is arranged at the lower end of the upper lock connecting rod, a second transmission bar is arranged at the upper end of the lower lock connecting rod, and the first transmission bar and the second transmission bar are meshed with the gear lock tongue and are arranged on two radial sides of the gear lock tongue.
In some embodiments, the first door plate is provided with a lock connecting rod limiting part, the lock connecting rod limiting part is in a U shape, and the first transmission bar and the second transmission bar are respectively attached to the lock connecting rod limiting part.
In some embodiments, the first door plate is provided with two limiting components arranged up and down, the limiting components comprise a limiting block fixed on the first door plate and a baffle plate limiting the locking connecting rod/the locking connecting rod on the limiting block, and the limiting block is provided with a first limiting groove for the locking connecting rod/the locking connecting rod to pass through.
In some embodiments, the stop post is secured to the baffle.
In some embodiments, the limiting chute is a kidney-shaped aperture.
In some embodiments, the locking connecting rod and the lower locking connecting rod are respectively provided with a locking plate connecting part, and the locking plate is rotationally connected with the locking plate connecting part.
In some embodiments, the first door plate is provided with two limiting plates arranged up and down, and the limiting plates are provided with second limiting grooves for the locking connecting rods/the locking connecting rods to pass through.
In some embodiments, the limiting plate is L-shaped.
In some embodiments, a top plate is arranged above the first door plate, a first locking groove for the locking connecting rod to extend in is formed in the top plate, a bottom plate is arranged below the first door plate, a second locking groove for the locking connecting rod to extend in is formed in the bottom plate, and a third locking groove for the locking plate to extend in is formed in the second door plate.
Compared with the prior art, the utility model has the advantages that:
1. the locking mechanism is simple, convenient to operate and good in stability;
2. the locking connecting rod and the lower locking connecting rod are limited to move up and down through the cooperation of the limiting component and the limiting plate, bending of the locking connecting rod and the lower locking connecting rod can be avoided, and stability is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a door lock mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a mounting structure according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of the portion I of FIG. 2;
FIG. 4 is a schematic view of an installation structure of a locking plate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a locking mechanism according to an embodiment of the present utility model;
FIG. 6 is a schematic view of an embodiment of the present utility model in an open state;
FIG. 7 is a schematic view of a lock assembly according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a lock assembly in an exploded configuration according to an embodiment of the present utility model;
wherein:
1. a first door panel;
2. a second door panel;
3. locking a connecting rod; 3-1, a first transmission bar;
4. a lower lock connecting rod; 4-1, a second transmission bar;
5. a lock assembly; 5-1, a lock body; 5-2, gear lock tongue;
6. a locking plate; 6-1, limiting sliding grooves;
7. a limit component; 7-1, limiting blocks; 7-1a, a first limit groove; 7-2, a baffle;
8. a lock link limiter;
9. a limiting plate; 9-1, a second limit groove;
10. a top plate;
11. a bottom plate;
12. a limit column;
13. and a locking plate connecting part.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the implementation conditions not noted are typically conditions in normal operation.
Referring to fig. 1 to 4, for an embodiment of the present utility model, there is provided a door lock mechanism including first and second door panels 1 and 2 disposed opposite to each other, an upper lock link 3, a lower lock link 4, a lock assembly 5, and a locking plate assembly.
The upper locking connecting rod 3 and the lower locking connecting rod 4 are movably arranged on the first door plate 1 up and down and are symmetrically arranged up and down. In order to limit the movement of the locking connecting rod 3 and the locking connecting rod 4, the locking connecting rod 3 and the locking connecting rod 4 are prevented from being deviated in the movement process, two limiting components 7 which are arranged up and down are arranged on the first door plate 1, specifically, the limiting components 7 comprise a limiting block 7-1 fixed on the first door plate 1 and a baffle 7-2 which limits the locking connecting rod 3/the locking connecting rod 4 on the limiting block 7-1, a first limiting groove 7-1a through which the locking connecting rod 3/the locking connecting rod 4 passes is arranged on the limiting block 7-1, when the locking connecting rod 3/the locking connecting rod 4 is installed, the limiting block 7-1 is welded and fixed on the first door plate 1, the locking connecting rod 3/the locking connecting rod 4 is arranged in the first limiting groove 7-1a of the limiting block 7-1 in a penetrating mode, and then the baffle 7-2 is fixed on the limiting block 7-1 through screws so as to limit the locking connecting rod 3/the locking connecting rod 4 on the limiting block 7-1.
In order to further optimize the implementation effect of the utility model, the locking connecting rod 3 and the locking connecting rod 4 are prevented from shifting in the moving process, two limiting plates 9 which are arranged up and down are further arranged on the first door plate 1, a second limiting groove 9-1 for the locking connecting rod 3/the locking connecting rod 4 to pass through is arranged on the limiting plates 9, and preferably, the limiting plates 9 are L-shaped.
And the lock assembly 5 is rotatably arranged on the first door plate 1 and is connected with the upper lock connecting rod 3 and the lower lock connecting rod 4 so as to drive the upper lock connecting rod 3 and the lower lock connecting rod 4 to move relatively or reversely. Specifically, as shown in fig. 7 and 8, the lock assembly 5 includes a lock body 5-1 rotatably disposed on the first door panel 1 and a gear lock tongue 5-2 disposed on the lock body 5-1, wherein the gear lock tongue 5-2 is fixed on the lock body 5-1 by a screw, and the lock body 5-1 is rotated by a key to drive the gear lock tongue 5-2 to rotate. The lower end of the locking connecting rod 3 is provided with a first transmission bar 3-1, the upper end of the locking connecting rod 4 is provided with a second transmission bar 4-1, and the first transmission bar 3-1 and the second transmission bar 4-1 are meshed with the gear lock tongue 5-2 and are positioned on two radial sides of the gear lock tongue 5-2. In this example, a plurality of through holes are respectively arranged on the first transmission bar 3-1 and the second transmission bar 4-1, and the gear lock tongue 5-2 can extend into the through holes in the rotation process to drive the locking connecting rod 3 and the locking connecting rod 4 to move up and down.
In order to position the transmission of the upper lock connecting rod 3 and the lower lock connecting rod 4, a lock connecting rod limiting piece 8 is arranged on the first door plate 1, preferably, the lock connecting rod limiting piece 8 is U-shaped, the first transmission bar 3-1 and the second transmission bar 4-1 are respectively attached to the lock connecting rod limiting piece 8, and the first transmission bar 3-1, the second transmission bar 4-1 and the gear lock tongue 5-2 can be guaranteed to be meshed for transmission through the arrangement of the lock connecting rod limiting piece 8, and meanwhile, the shift of the upper lock connecting rod 3 and the lower lock connecting rod 4 is avoided.
The locking plate assembly comprises two locking plates 6 which are arranged up and down, the two locking plates 6 are respectively in rotary pin joint with the locking connecting rod 3 and the locking connecting rod 4, a limiting column 12 is arranged on the baffle 7-2, and a limiting chute 6-1 for the limiting column 12 to extend into is arranged on the locking plates 6, and preferably, the limiting chute 6-1 is a strip-shaped waist-shaped hole extending in the length direction of the locking plates 6. Wherein, be equipped with locking plate connecting portion 13 on locking connecting rod 3 and lower locking connecting rod 4 respectively, locking plate 6 length direction one end and locking plate connecting portion 13 rotation are connected, and locking plate 6 length direction other end can extend to second door plant 2.
A top plate 10 is arranged above the first door plate 1, a bottom plate 11 is arranged below the first door plate 1, a first locking groove into which the upper locking connecting rod 3 extends is arranged on the top plate 10 for positioning the locking state, a second locking groove into which the lower locking connecting rod 4 extends is arranged on the bottom plate 11, and a third locking groove into which the locking plate 6 extends is arranged on the second door plate 2.
The working principle of the utility model is as follows:
inserting a key into the lock body 5-1 to rotate the lock body 5-1, driving the gear lock tongue 5-2 to rotate correspondingly, and meshing and driving the gear lock tongue 5-2 with the first transmission bar 3-1 and the second transmission bar 4-1 when rotating, wherein the upper lock connecting rod 3 and the lower lock connecting rod 4 move oppositely, when the upper lock connecting rod 3 moves into a first locking groove of the top plate 10 and the lower lock connecting rod 4 moves into a second locking groove of the bottom plate 11, the first door plate 1 is locked, and in the back moving process of the upper lock connecting rod 3 and the lower lock connecting rod 4, the lock plate 6 is driven to rotate and extend into a third locking groove on the second door plate 2 to finish locking of the second door plate 2 (as shown in fig. 5); the key is turned to drive the lock body 5-1 to rotate, so that the locking connecting rod 3 and the lower locking connecting rod 4 relatively move and reset, the locking connecting rod 3 is separated from the top plate 10, the lower locking connecting rod 4 is separated from the bottom plate 11, the locking plate 6 is separated from the second door plate 2, and the first door plate 1 and the second door plate 2 are opened (as shown in fig. 6).
In addition, the locking mechanism is simple in structure and convenient to operate, can lock the double-door cabinet body, is good in stability, and solves the problem that the locking mechanism is easy to block in the prior art.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A door lock mechanism comprising a first door panel and a second door panel disposed in opposition, further comprising:
the locking connecting rod is arranged on the first door plate and can move up and down;
the lower locking connecting rod is arranged below the locking connecting rod and is symmetrically arranged with the locking connecting rod;
the lock assembly is rotatably arranged on the first door plate and is connected with the upper lock connecting rod and the lower lock connecting rod so as to drive the upper lock connecting rod and the lower lock connecting rod to move relatively or reversely;
the locking plate assembly comprises two locking plates which are arranged up and down, the two locking plates are respectively in rotary pin joint with the locking connecting rod and the locking connecting rod, a limiting column is arranged on the first door plate, and a limiting chute for the limiting column to extend in is arranged on the locking plates;
when the lock assembly drives the locking connecting rod and the lower locking connecting rod to move oppositely, the locking connecting rod and the lower locking connecting rod respectively move to the upper part and the lower part of the first door plate, the first door plate is locked, and in the process that the locking connecting rod and the lower locking connecting rod move oppositely, the locking plate rotates to the second door plate, and the second door plate is locked; and when the lock assembly drives the upper lock connecting rod and the lower lock connecting rod to move oppositely and reset, the first door plate and the second door plate are opened.
2. The door lock mechanism according to claim 1, wherein: the lock assembly comprises a lock body arranged on the first door plate in a rotating mode and a gear lock tongue arranged on the lock body, a first transmission bar is arranged at the lower end of the upper lock connecting rod, a second transmission bar is arranged at the upper end of the lower lock connecting rod, and the first transmission bar and the second transmission bar are meshed with the gear lock tongue and are arranged on two radial sides of the gear lock tongue.
3. The door lock mechanism according to claim 2, wherein: the first door plate is provided with a lock connecting rod limiting part, the lock connecting rod limiting part is U-shaped, and the first transmission bar and the second transmission bar are respectively attached to the lock connecting rod limiting part.
4. The door lock mechanism according to claim 1, wherein: the two limiting components are arranged up and down on the first door plate, each limiting component comprises a limiting block fixed on the first door plate and a baffle plate limiting the locking connecting rod/the locking connecting rod on the limiting block, and a first limiting groove for the locking connecting rod/the locking connecting rod to pass through is formed in the limiting block.
5. The door lock mechanism according to claim 4, wherein: the limiting column is fixed on the baffle.
6. The door lock mechanism according to claim 5, wherein: the limiting sliding groove is a waist-shaped hole.
7. The door lock mechanism according to claim 1, wherein: and locking plate connecting parts are respectively arranged on the upper locking connecting rod and the lower locking connecting rod, and the locking plates are rotationally connected with the locking plate connecting parts.
8. The door lock mechanism according to claim 1, wherein: two limiting plates are arranged up and down on the first door plate, and a second limiting groove for the locking connecting rod/the lower locking connecting rod to pass through is formed in the limiting plate.
9. The door lock mechanism according to claim 8, wherein: the limiting plate is L-shaped.
10. The door lock mechanism according to claim 1, wherein: the novel lock comprises a first door plate and is characterized in that a top plate is arranged above the first door plate, a first locking groove for the locking connecting rod to extend in is formed in the top plate, a bottom plate is arranged below the first door plate, a second locking groove for the locking connecting rod to extend in is formed in the bottom plate, and a third locking groove for the locking plate to extend in is formed in the second door plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082484.XU CN219952977U (en) | 2023-05-08 | 2023-05-08 | Door lock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082484.XU CN219952977U (en) | 2023-05-08 | 2023-05-08 | Door lock mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952977U true CN219952977U (en) | 2023-11-03 |
Family
ID=88543782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321082484.XU Active CN219952977U (en) | 2023-05-08 | 2023-05-08 | Door lock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239608A (en) * | 2023-11-16 | 2023-12-15 | 西安图为电气技术有限公司 | Electrical equipment cabinet and power module thereof |
-
2023
- 2023-05-08 CN CN202321082484.XU patent/CN219952977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239608A (en) * | 2023-11-16 | 2023-12-15 | 西安图为电气技术有限公司 | Electrical equipment cabinet and power module thereof |
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