CN218862316U

CN218862316U - Novel door lock mechanism

Info

Publication number: CN218862316U
Application number: CN202223179747.7U
Authority: CN
Inventors: 周国奎; 范军明; 李海锋
Original assignee: GRG Banking Equipment Co Ltd
Current assignee: GRG Banking Equipment Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-14
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a lock technical field especially relates to a novel door lock mechanism. The novel door lock mechanism comprises a lock plate and a guide plate, wherein the guide plate is provided with a lock groove; the locking device is arranged on one side of the locking plate and comprises an upper locking plate and a lower locking plate, the upper locking plate is rotatably connected with the lower locking plate, a self-locking mechanism is arranged between the upper locking plate and the lower locking plate, a locking hook matched with the locking groove is arranged at one end, facing the locking plate, of the upper locking plate, the locking hook forms a locking state when located in the locking groove, and a pressing part is arranged at one end, away from the locking hook, of the upper locking plate; the unlocking device is arranged on one side, far away from the locking plate, of the locking device and is movably connected with one end, far away from the locking hook, of the upper locking plate, and when the unlocking device presses the upper locking plate downwards, the locking hook is separated from the locking groove to form an unlocking state. The novel door lock mechanism can realize self-locking after closing the door, can lock the door without inserting a key, and increases convenience; the lock body is not stressed in the locking state, and is stressed only when unlocked, so that the service life of the lock body is prolonged.

Description

Novel door lock mechanism

Technical Field

The utility model relates to a lock technical field especially relates to a novel door lock mechanism.

Background

The cabinet door of the intelligent teller machine of financial institutions such as banks needs to be opened when consumable items are replaced or fault maintenance is carried out. The door lock mechanism ensures that the teller machine locks the cabinet door under the severe conditions of shaking, vibration and the like in a locking state, and has enough mechanical strength. In the existing teller machine, common door lock mechanisms are a single-piece lock and a top-bottom lock mechanism, the lock body is stressed under the locking state of a single lock piece, the lock body is damaged for a long time, and a key is required to be inserted to rotate the lock piece when the door is closed; the lock body is not stressed when the common top and bottom lock mechanism is in a locking state, but the lock plate also needs to be rotated by inserting a key when the door is closed like a single lock plate. Because the door lock mechanism mounted position of wisdom automatic teller machine is general lower, need bow to use the key when closing the door, the operation is inconvenient, also appears leaking the phenomenon of locking the door after closing the door easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel door lock mechanism for need insert the defect that the key rotated the locking plate when closing the door among the solution prior art, realize need not insert the facility that the key just can the lock.

The utility model provides a novel door lock mechanism, include:

the locking plate is provided with a guide plate, and a locking groove is formed in the guide plate;

the locking device is arranged on one side of the locking plate and comprises an upper locking plate and a lower locking plate, the upper locking plate is rotatably connected with the lower locking plate, a self-locking mechanism is arranged between the upper locking plate and the lower locking plate, a locking hook matched with the locking groove is arranged at one end, facing the locking plate, of the upper locking plate, the locking hook forms a locking state when being positioned in the locking groove, and a pressing part is arranged at one end, away from the locking hook, of the upper locking plate;

the unlocking device is arranged on one side, away from the locking plate, of the locking device and is used for being movably connected with one end, away from the locking hook, of the upper locking plate, and when the unlocking device downwards extrudes the upper locking plate, the locking hook is separated from the locking groove to form an unlocking state.

According to the utility model provides a pair of novel lock mechanism, the deflector orientation the one end tilt down of latch hook is provided with the guiding edge.

According to the utility model provides a pair of novel lock mechanism, the both sides of jam plate are buckled up and are formed connecting portion, two down rotate between the connecting portion and install the pivot, the both sides of going up the jam plate are buckled down and are rotated and cup joint in the pivot.

According to the utility model provides a pair of novel door lock mechanism, be provided with E type retaining ring behind the connecting portion at place is run through respectively at the both ends of pivot.

According to the utility model provides a pair of novel door lock mechanism, self-locking mechanism includes the torsional spring that resets, the torsional spring that resets cup joints in the pivot, the one end of torsional spring that resets with the jam plate is connected down, the round hole has been seted up on the jam plate, the other end joint of torsional spring that resets is in the round hole.

According to the utility model provides a pair of novel door lock mechanism, the other end activity of reduction torsion spring is worn to establish behind the round hole towards horizontal plane bending type and is formed a kink.

According to the utility model provides a pair of novel lock mechanism, go up the jam plate and keep away from the one end of latch hook is provided with presses the splenium, press the splenium with unlocking device swing joint.

According to the utility model provides a pair of novel door lock mechanism, unlocking device is including unlocking piece, lock body and key, the one end of unlocking piece with the axle core of lock body is connected, the other end of unlocking piece is located press the splenium top, the key with the lock body adaptation.

And a blocking plate is arranged at one end, far away from the guide edge, of the guide plate.

The utility model provides a novel door lock mechanism, through set up the reset torsion spring between last jam plate and lower jam plate for this novel door lock mechanism can realize the auto-lock after closing the door, need not insert the key and just can realize locking the door, has increased the convenience; meanwhile, the lock body is not stressed in a locking state and is stressed only when unlocked, so that the service life of the lock body is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the novel door lock mechanism provided by the present invention;

fig. 2 is a front perspective view of the novel door lock mechanism provided by the present invention;

fig. 3 is a torque diagram of the novel door lock mechanism provided by the present invention in a locked state;

fig. 4 is a schematic view of a usage state of the novel door lock mechanism provided by the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is a locked state view of another embodiment of the novel door latch mechanism;

fig. 7 is an unlocked state diagram of another embodiment of the novel door latch mechanism.

Reference numerals are as follows:

100. a locking plate; 101. a guide plate; 102. locking the groove; 103. a guide edge;

200. a locking device; 201. an upper locking plate; 202. a lower lock plate; 203. a rotating shaft;

204. e-shaped check rings; 205. a return torsion spring; 206. a circular hole; 207. a latch hook;

208. a pressing part;

300. an unlocking device; 301. unlocking the plate; 302. a lock body; 303. a key;

400. a connecting rod; 401. pressing the block; 402. a guide groove.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A novel door lock mechanism of the present invention is described below with reference to fig. 1 to 5, which includes a lock plate 100, a locking device 200 and an unlocking device 300. The locking plate 100 is installed on the cabinet body, and the locking device 200 and the unlocking device 300 are installed on the cabinet door; when the door is installed, the lock plate 100 is fixed on the frame of the cabinet body, the lower lock plate 202 of the locking device 200 is fixed on the door frame of the cabinet door, and the lock body 302 of the unlocking device 300 is embedded on the door panel of the cabinet door. In order to avoid the rigid collision between the cabinet door and the cabinet body, elastic sponge can be pasted on one side of the cabinet body.

The locking plate 100 is provided with a guide plate 101, a locking groove 102 is formed in the guide plate 101, and a guide edge 103 is obliquely arranged at one end of the guide plate 101, which faces to the locking hook 207, downwards; the end of the guide plate 101 remote from the guide edge 103 is provided with a stop plate.

The locking device 200 is arranged on one side of the locking plate 100, the locking device 200 comprises an upper locking plate 201 and a lower locking plate 202, two sides of the lower locking plate 202 are bent upwards to form connecting parts, a rotating shaft 203 is rotatably arranged between the two connecting parts, two sides of the upper locking plate 201 are bent downwards and rotatably sleeved on the rotating shaft 203, the upper locking plate 201 is rotatably connected with the lower locking plate 202, and two ends of the rotating shaft 203 are respectively provided with an E-shaped retainer ring 204 after penetrating through the connecting parts;

a self-locking mechanism is arranged between the upper lock plate 201 and the lower lock plate 202, the self-locking mechanism comprises a reset torsion spring 205, the reset torsion spring 205 is sleeved on the rotating shaft 203, one end of the reset torsion spring 205 is connected with the lower lock plate 202, a round hole 206 is formed in the upper lock plate 201, and the other end of the reset torsion spring 205 is clamped in the round hole 206; the other end of the reset torsion spring 205 is movably inserted into the circular hole 206 and then bent towards the horizontal plane to form a bent part, so that the end part of the other end of the reset torsion spring 205 cannot be separated from the circular hole 206, and the upper lock plate 201 and the lower lock plate 202 cannot rotate relatively under the condition of no external force;

one end of the upper locking plate 201 facing the locking plate 100 is provided with a locking hook 207 matched with the locking groove 102, and one side of the locking hook 207 facing the locking groove 102 is inclined to match with the guide edge 103; when the reset torsion spring 205 is in a natural state, the upper lock plate 201 is still, and the lock hook 207 is located in the lock groove 102 to form a locking state;

when the door is closed, the upper lock plate 201 moves towards one side of the lock plate 100, the lock hook 207 firstly touches the guide edge 103 on the guide plate 101, and the lock hook 207 and the guide edge 103 are both inclined, so after the lock hook 207 and the guide edge 103 touch each other, the lock hook 207 can drive the upper lock plate 201 to lift upwards, under the action of the reset torsion spring 205, the lock hook 207 slides tightly close to the surfaces of the guide edge 103 and the guide plate 101 until the lock hook 207 falls into the lock groove 102, and the reset torsion spring 205 restores to the initial state to form a locking state.

As shown in FIG. 3, in the locked state, the contour line A of the upper lock plate 201 is located at the center O ₁ On the circumference of (1), center of circle O ₁ Located above L the center O of rotation of the upper lock plate 201. When the cabinet door is forced outwards, the upper lock plate 201 is forced to force F and torque M is shown in figure 3, and the mechanism is self-locked according to the torque direction.

The unlocking device 300 is arranged on one side of the locking device 200 far away from the locking plate 100 and is used for being movably connected with one end of the upper locking plate 201 far away from the locking hook 207, and when the unlocking device 300 presses the upper locking plate 201 downwards, the locking hook 207 is separated from the locking groove 102 to form an unlocking state; one end of the upper locking plate 201, which is far away from the locking hook 207, is provided with a pressing part 208, and the pressing part 208 is movably connected with the unlocking device 300;

specifically, the unlocking device 300 comprises an unlocking sheet 301, a lock body 302 and a key 303, wherein one end of the unlocking sheet 301 is connected with the shaft core of the lock body 302, the other end of the unlocking sheet 301 is positioned above the pressing part 208, and the key 303 is matched with the lock body 302;

when unlocking, the key 303 is inserted into the lock body 302, the key 303 is rotated, the shaft core of the lock body 302 drives the unlocking sheet 301 to rotate, one end of the unlocking sheet 301, which is far away from the lock body 302, rotates downwards and presses the pressing part 208 downwards, the torsion of the reset torsion spring 205 is overcome in the pressing process, the locking hook 207 moves upwards to be separated from the locking groove 102 through the lever action, unlocking is realized, after the key 303 is loosened, the shaft core of the lock body 302 drives the unlocking sheet 301 to return to the initial state, and the upper locking plate 201 also returns to the initial state under the action of the reset torsion spring 205; in the initial state, a certain gap exists between the unlocking piece 301 and the pressing part 208, and the lock body 302 is not stressed in the locking state and is stressed only when unlocked.

Further, as shown in fig. 6 and 7, if the cabinet body and the cabinet door are large, two sets of novel door lock mechanisms can be adopted for combined assembly. Specifically, two sets of locking plates 100 and locking devices 200 are symmetrically installed at the upper and lower sides, and the unlocking device 300 is located at the middle part, so that the locking plates 100 and the guide edges 103 located at the upper side are integrated into a straight shape for convenience of installation, and the blocking plates are correspondingly removed. A connecting rod 400 is fixedly installed and sleeved on a shaft core of the lock body 302, two ends of the connecting rod 400 are hinged with one end of an unlocking plate 301, the other end of the unlocking plate 301 extends to the outer side of a pressing part 208 on the corresponding side and is provided with a pressing block 401, the pressing block 401 and the pressing part 208 are located on the same side of the unlocking plate 301, one side, away from the locking plate 100, of the lower locking plate 202 can be extended by a certain distance and is provided with a guide groove 402 for the unlocking plate 301 to movably penetrate through, the size of the guide groove 402 can be wider than that of the unlocking plate 301, the pressing block 401 is not in contact with the pressing part 208 in an initial state, when the key 303 is rotated to unlock, the shaft core of the lock body 302 drives the connecting rod 400 to rotate, the connecting rod 400 drives the unlocking plate 301 to move towards one side of the middle part, the pressing block 401 on the unlocking plate 301 is pressed towards the corresponding pressing part 208, and the locking hook 207 is separated from the locking groove 102 to form an unlocking state after the pressing part 208 is pressed; after the key 303 is released, the shaft core of the lock body 302 drives the connecting rod 400 and the unlocking sheet 301 to return to the initial state. Because the size of the guide groove 402 is wider than that of the unlocking sheet 301, even if the unlocking sheet 301 does not move linearly in the moving process and only slightly swings to change the angle, the pressing block 401 can be ensured to smoothly contact with the pressing part 208 for unlocking.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A novel door lock mechanism is characterized by comprising:

the lock plate is provided with a guide plate, and a lock groove is formed in the guide plate;

the locking device is arranged on one side of the locking plate and comprises an upper locking plate and a lower locking plate, the upper locking plate is rotatably connected with the lower locking plate, a self-locking mechanism is arranged between the upper locking plate and the lower locking plate, one end of the upper locking plate, which faces the locking plate, is provided with a locking hook matched with the locking groove, and the locking hook forms a locking state when being positioned in the locking groove;

2. The novel door lock mechanism according to claim 1, wherein the end of the guide plate facing the latch hook is provided with a guide edge inclined downward.

3. The novel door lock mechanism as claimed in claim 1, wherein the two sides of the lower lock plate are bent upward to form connecting portions, a rotating shaft is rotatably installed between the two connecting portions, and the two sides of the upper lock plate are bent downward and rotatably sleeved on the rotating shaft.

4. The novel door lock mechanism as claimed in claim 3, wherein the two ends of the rotation shaft respectively penetrate through the connecting portion and are provided with E-shaped retaining rings.

5. The novel door lock mechanism according to claim 3, wherein the self-locking mechanism comprises a reset torsion spring, the reset torsion spring is sleeved on the rotating shaft, one end of the reset torsion spring is connected with the lower lock plate, a round hole is formed in the upper lock plate, and the other end of the reset torsion spring is clamped in the round hole.

6. The door lock mechanism as claimed in claim 5, wherein the other end of the return torsion spring is movably inserted into the circular hole and then bent toward the horizontal plane to form a bent portion.

7. The novel door lock mechanism according to claim 1, wherein a pressing portion is provided at an end of the upper lock plate away from the lock hook, and the pressing portion is movably connected with the unlocking device.

8. The novel door lock mechanism according to claim 7, wherein the unlocking device comprises an unlocking piece, a lock body and a key, one end of the unlocking piece is connected with a shaft core of the lock body, the other end of the unlocking piece is positioned above the pressing portion, and the key is matched with the lock body.

9. The novel door lock mechanism as claimed in claim 2, wherein the end of the guide plate remote from the guide edge is provided with a stop plate.