TWI705180B - Cabinet having double locking mechanism - Google Patents

Abstract

A cabinet having a double locking mechanism having a cabinet body, a first door leaf, a second door leaf, a surface lock and a safe locking structure is provided. The cabinet body has a cabinet opening. The first door leaf is arranged corresponding to the cabinet opening and has a leaf opening. The second door leaf is arranged corresponding to the leaf opening and is provided with the surface lock. The second door leaf could be locked with the first door leaf or unlocked via the surface lock. The safe locking structure has a carrier and a safe lock. The carrier is disposed on the first door leaf and is provided with an inlet slot. The safe lock is disposed on the carrier corresponding to the door opening, and the first door leaf could be locked with the cabinet or unlocked via the safe lock. Thereby, the cabinet is anti-theft, a person with basic authority can open only the second door leaf and a person with advanced authority can open both of the first and second door leaves.

Description

Storage cabinet with double lock mechanism

The present invention relates to a storage cabinet that needs to be locked after accommodating objects, and particularly refers to a storage cabinet with a double locking mechanism.

Regarding the storage cabinet, it is used to store banknotes, important documents or valuables, etc., so it must be locked to prevent theft.

Although the existing storage cabinet has a locking function, there are still the following shortcomings to be overcome:

1. The existing storage cabinet has only one lock and no double lock mechanism, so that anyone can open the storage cabinet and steal as long as they get the key to this lock. In this case, if the storage cabinet has a double lock mechanism, it can increase the difficulty of stealing two keys.

2. The owner of the storage cabinet often has to rely on others (such as the accountant in the company's line number) to place banknotes, important documents or valuables on his behalf, so he must give this key to this person At this time, as long as this person is negligent or wrong, he will use this opportunity to steal.

The object of the present invention is to provide a storage cabinet with a double lock mechanism. Therefore, one of the door panels must be opened before the other door panel can be opened, and the inserted objects can be removed only after the two door panels are opened.

In order to achieve the above objective, the present invention provides a storage cabinet with a double lock mechanism, including: a cabinet body with a cabinet opening; a first door panel disposed on the cabinet and capable of opening and closing the cabinet opening, The first door panel also has a door panel opening; a second door panel is arranged on the first door panel and can open and close the door panel opening; an open lock is arranged on the second door panel, the open lock can lock the second door panel It stops at the first door panel and can also be unlocked; and a safety lock structure, including a carrier and a safety lock, the carrier is arranged on the first door panel and is provided with an input slot connecting the door panel opening and the cabinet opening, The safety lock is arranged on the carrier and can be exposed through the door panel opening. The safety lock can lock the first door panel to the cabinet body and can also unlock.

Compared with the prior art, the present invention has the following effects: it can increase the difficulty of theft, and can also set the basic authority that can only open the second door panel and the advanced authority that can open the first and second door panels.

The detailed description and technical content of the present invention are described as follows in conjunction with the drawings. However, the drawings are only provided for reference and description, and are not intended to limit the present invention.

As shown in Figures 1 to 6, the present invention provides a storage cabinet with a double lock mechanism for accommodating, for example, banknotes, important documents or valuables. The accommodating cabinet with a double lock mechanism (hereinafter referred to as the accommodating cabinet) of the present invention includes: a cabinet body C, a first door panel 1, a second door panel 2, an exposed lock 3, and a safety lock structure 4.

The cabinet C has an accommodating space (component symbols are not marked), and the cabinet C has a cabinet opening C1 communicating with the accommodating space.

The first door panel 1 is arranged (for example, pivoted) on the cabinet C, and enables the first door panel 1 to open and close the cabinet opening C1. The first door panel 1 itself also has a door panel opening 11. Preferably, the door panel opening 11 is opened on the inner bottom surface away from the cabinet C. In this embodiment, it is opened near the upper side of the first door panel 1.

The second door panel 2 is arranged (for example pivoted) on the first door panel 1 and enables the second door panel 2 to open and close the door panel opening 11.

The exposed lock 3 is arranged on the outer side of the second door panel 2, so that the agent (such as the accountant in the company's line number) can see the exposed lock 3 from the outside of the storage cabinet, making the exposed lock 3 the feature of the present invention The first re-locking mechanism. The exposed lock 3 can not only lock the second door panel 2 to the first door panel 1, but also release the second door panel 2 from the first door panel 1 by unlocking, so that after the second door panel 2 is opened, the door panel opening 11 can be exposed . In this embodiment, the exposed lock 3 has a bolt 31. By controlling the different rotation angles of the bolt 31, the locking (not shown) and the unlocking can be performed respectively (see FIG. 2).

The safety lock structure 4 mainly includes a carrier 41 and a safety lock 42. The carrier 41 is disposed on the first door panel 1 (for example, on its inner side) and has an input slot 411 (for example, it may be a slit-type input slot); the safety lock 42 is disposed on the carrier 41 (for example, on its outer surface) and can pass through The door opening 11 is exposed. The safety lock 42 can lock the first door panel 1 to the cabinet body C, and can also release the first door panel 1 from the cabinet body C by unlocking, so that the opening C1 of the cabinet body can be exposed after the first door panel 1 is opened. Wherein, the aforementioned input slot 411 connects the door panel opening 11 and the cabinet opening C1, so that the object to be input (not shown in the figure) can be put into the accommodating space from the outside through the input slot 411.

As a result, since only the second key that can open the second door panel 2 is given to the placement staff, the owner of the storage cabinet has both the second key and the first key that can open the first door panel 1 , Therefore, the placement staff will only be able to put in the items to be put in, and cannot take out the items that have been put in (such as banknotes, important documents or valuables, etc.). In short, they are only granted basic permissions; but the storage cabinet The owner can open the second door panel 2 first by unlocking the exposed lock 3 to expose the safety lock 42, and then can open the first door panel 1 by unlocking the safety lock 42 to expose the cabinet opening C1, so The owner of the storage cabinet can not only put in the items to be put in, but also take out the aforementioned items that have been put in, in short, they are granted advanced authority. Of course, it can also be designed so that as long as the owner of the storage cabinet has a key, he can open both the lock 3 and the safety lock 42; as for the substitute placement personnel, he can only open the other lock 3 Put the key.

Preferably, the safety lock structure 4 further includes a lock plate 43, which is disposed on the carrier 41 and can move back and forth relative to the carrier 41 to have a locked position (see Figure 5) and an unlocked position (see Figure 6) . In this way, the safety lock 42 can not only lock the locking plate 43 in the locked position so that the first door panel 1 cannot be opened, but also release the locking plate 43 and move the locking plate 43 to the unlocking position to open the first door panel 1.

Specifically, the lock plate 43 is slidably disposed on the inner surface of the carrier 41, and the lock plate 43 is also provided with at least one opening and closing brake lever 435 along the sliding direction of the lock plate 43. In this way, the safety lock 42 It can lock the lock plate 43 so that the lock plate 43 cannot slide, and at the same time make the opening and closing brake lever 435 still locked in the cabinet C (for example, locked in the key hole C3); and, the safety lock 42 The lock plate 43 can also be released so that the lock plate 43 can slide until the opening and closing brake lever 435 is unlocked from the cabinet C (for example, the opening and closing brake lever 435 is retracted from the cabinet C and unlocked).

As mentioned above, when the lock plate 43 is released, the operator (such as the placement personnel or the owner of the storage cabinet) can directly push the lock plate 43 by hand (or push a set on the lock plate 43 by hand). The upper control handle 45) that can be exposed through the door panel opening 11 moves back and forth between the unlocked position and the locked position. The lock plate 43 can also be controlled to move back and forth between the unlocked position and the locked position by mechanical driving. As follows.

In order to control the movement of the lock plate 43 by mechanical driving, the safety lock structure 4 may further include a gear set 44 and the aforementioned control handle 45. The control bar 45 is rotatably arranged on the outer side of the carrier 41, and the control bar 45 can also drive the gear set 44 to rotate. The lock plate 43 is provided with a rack 434, the control bar 45 controls the rotation of the gear set 44, and the gear set 44 meshes with the rack 434 to drive the lock plate 43 to slide back and forth between the unlocked position and the locked position relative to the carrier 41. In this embodiment, the lock plate 43 defines an action opening 433, and the rack 434 is formed on an inner edge of the action opening 433.

The sliding structure for the lock plate 43 to slide back and forth includes a plurality of sliding rod members 412 protruding from the concave surface of the carrier 41 and a plurality of sliding grooves 432 formed on the lock plate 43. The lock plate 43 abuts on the inner concave surface of the carrier 41, and each sliding rod member 412 correspondingly extends into each sliding groove 432 to guide the lock plate 43 to slide back and forth relative to the carrier 41.

In order to allow the safety lock 42 to lock and release the lock plate 43, in this embodiment, the lock plate 43 defines a lock groove 431, and the safety lock 42 has a lock core 421 extending into the lock groove 431. The locking groove 431 includes a long groove 431a and an enlarged hole 431b connected to the long groove 431a, and as shown in FIG. 5, the inner diameter of the enlarged hole 431b is larger than the inner diameter of the long groove 431a. The length of the cross section (for example, rectangular) of the lock core 421 corresponds to the inner diameter of the enlarged hole 431b (see FIG. 5), and the width of the cross section of the lock core 421 corresponds to the inner diameter of the long groove 431a (see FIG. 6). Therefore, when the operator uses the key to operate the safety lock 42 to rotate until the lock core 421 is upright as shown in FIG. 5, since the cross section of the lock core 421 is longer than the inner diameter of the long groove 431a, the lock plate 43 is The lock core 421 is locked and cannot slide. At this time, the opening and closing brake lever 435 is still in the state of extending from the carrier 41 through the perforation 414 and locked in the lock hole C3; when the operator operates the safety lock 42 with the key to rotate to When the lock core 421 is in a horizontal shape as shown in FIG. 6, since the width of the cross section of the lock core 421 corresponds to the inner diameter of the long groove 431a, the locking state of the lock core 421 on the lock plate 43 is released. The lock plate 43 is in a state where it can freely slide back and forth.

It is worth noting that the specially designed lock groove 431 as described in the previous paragraph and the corresponding specially designed lock core 421 as described in the previous paragraph can ensure that the opening and closing brake lever 435 is completely inserted into the lock hole C3. The effect of removing the key from the safety lock 42. This is because if the opening and closing brake lever 435 is not fully inserted into the key hole C3, the lock core 421 cannot be located in the enlarged hole 431b, so the lock core 421 is still lying in the long groove 431a and cannot be turned into an upright position. , At this time, because the lock core 421 cannot be turned into an upright position, the key inserted in the safety lock 42 cannot be removed; on the contrary, the lock core 421 can only be made by fully inserting the opening and closing brake lever 435 into the key hole C3. It is located in the enlarged hole 431b, and then the lock core 421 can be turned into an upright position so that the key can be removed. In this way, incomplete locking (the opening and closing brake lever 435 is not completely inserted into the lock hole C3) can be avoided, thereby increasing safety.

It must be noted that the inner surface of the carrier 41 may form a recess (not marked with component symbols). The recess has the aforementioned inner concave surface, and the lock core 421 protrudes from the inner concave surface and is located in the recess. The carrier 41 also has a carrier inner cover 413, and the carrier inner cover 413 covers the recessed portion. The aforementioned lock plate 43 can be arranged in the carrier 41, in this embodiment, it can also be arranged in the recess of the carrier 41, the opening and closing brake lever 435 is extended and retracted into the carrier 41 by sliding following the locking plate 43 (respectively See Figure 5 and Figure 6).

As shown in Figures 3 and 7, the back panel and bottom panel of the cabinet C are provided with a plurality of fixing holes C2, so that the cabinet C can be fixed to the wall of the building with the fixing holes C2 on the back panel, and can be used The fixing hole C2 of the bottom plate fixes the cabinet C to the floor of the building.

As for the aforementioned input slot 411, it may have an inner end 411a facing the cabinet opening C1 direction and an outer end 411b facing the opposite direction. As shown in FIG. 4 and with reference to FIG. 8, in this embodiment, the outer end portion 411b is opened on the outer side surface of the carrier 41, and the inner end portion 411a is opened on the inner side surface of the carrier 41 (as shown in the figure, it is opened on the inner cover of the carrier). 413). It is worth noting that the input slot 411 is far away from the inner bottom surface of the cabinet C, for example, is close to the upper edge of the first door panel 1 so as to maintain a certain distance from the inserted objects.

As shown in FIG. 8, the input slot 411 opened in the carrier 41, the lower edge of the inner end 411a can also be extended with a shield 415 upwards, so as to prevent the thief from using elongated objects such as iron wire from the input slot 411 extends into the accommodating space from outside to inside and from top to bottom.

In summary, the storage cabinet with double lock mechanism of the present invention can indeed achieve the intended use purpose and solve the deficiencies of the prior art. It fully meets the requirements of an invention patent application. The application is filed in accordance with the patent law. Please check and verify Grant the patent in this case to protect the rights of the inventor.

The above are only the preferred and feasible embodiments of the present invention, and are not limited to the scope of the present invention. Any equivalent structural changes made by using the description and drawings of the present invention are all included in the present invention. Within the scope of the rights, he shall be Chen Ming.

C: Cabinet

C1: Cabinet opening

C2: fixing hole

C3: keyhole

1: The first door

11: Door opening

2: The second door

3: open lock

31: Lock tongue

4: Safety lock structure

41: carrier

411: Into the slot

411a: inner end

411b: outer end

412: Slider

413: carrier inner cover

414: perforation

415: Shutter

42: Security lock

421: Heart Lock

43: lock plate

431: lock slot

431a: Long slot

431b: enlarged hole

432: Chute

433: action port

434: rack

435: Open and close brake lever

44: gear set

45: control handle

Fig. 1 is a perspective view of the appearance of the storage cabinet of the present invention.

Figure 2 is a perspective view of the storage cabinet of the present invention when the second door panel is opened.

Fig. 3 is a perspective schematic view of the storage cabinet of the present invention when the first and second door panels are opened.

Figure 4 is a perspective exploded view of the first door panel and safety lock structure in the present invention.

5 is a cross-sectional view of the storage cabinet of the present invention when the lock plate is moved to the locked position.

6 is a cross-sectional view of the storage cabinet of the present invention when the lock plate is moved to the unlocking position.

Fig. 7 is a bottom perspective view of the present invention after turning to the back according to Fig. 1.

Figure 8 is a cross-sectional view of another embodiment of the storage cabinet of the present invention.

C: Cabinet

C1: Cabinet opening

C2: fixing hole

C3: keyhole

1: The first door

2: The second door

4: Safety lock structure

41: carrier

413: carrier inner cover

43: lock plate

435: Open and close brake lever

Claims (10)

A storage cabinet with a double lock mechanism, including: A cabinet with a cabinet opening; A first door panel arranged on the cabinet body and capable of opening and closing the cabinet body opening, and the first door panel also has a door panel opening; A second door panel arranged on the first door panel and capable of opening and closing the door panel opening; An exposed lock is arranged on the second door panel, the exposed lock can lock the second door panel to the first door panel and can also unlock; and A safety lock structure includes a carrier and a safety lock, the carrier is disposed on the first door panel and is provided with an input slot connecting the door panel opening and the cabinet opening, the safety lock is disposed on the carrier and can pass through the door panel The opening is exposed, and the safety lock can lock the first door panel to the cabinet body and also unlock it. The storage cabinet with a double lock mechanism according to claim 1, wherein the safety lock structure further includes a lock plate, the lock plate is disposed on the carrier and can move relative to the carrier to have a locked position and an unlocked position The safety lock can lock the locking plate at the locked position and cannot open the first door panel, and the safety lock can also release the locking plate and move the locking plate to the unlocking position to open the first door panel. The storage cabinet with a double lock mechanism according to claim 1, wherein the safety lock structure further comprises a lock plate, the lock plate is slidably arranged on the carrier and is provided with at least An opening and closing brake lever, the safety lock can lock the lock plate from sliding so that the at least one opening and closing brake lever is still locked in the cabinet, and the safety lock can also release the lock plate from sliding to the at least An opening and closing brake lever is unlocked from the cabinet. The storage cabinet with a double lock mechanism according to claim 3, wherein the lock plate is disposed in the carrier, and the at least one opening and closing brake lever extends and retracts relative to the carrier by sliding following the lock plate . The accommodating cabinet with a double lock mechanism according to claim 3, wherein the lock plate is provided with a lock slot, the lock slot includes a long slot and an enlarged hole connected to the long slot, and the inner diameter of the enlarged hole is larger than The inner diameter of the long slot, the safety lock has a lock core extending into the lock slot, and the length and width of the cross section of the lock core respectively correspond to the inner diameter of the enlarged hole and the inner diameter of the long slot. According to claim 3, the storage cabinet with a double lock mechanism, wherein one side of the carrier is protruding with a plurality of sliding rod members, the lock plate is attached to the side of the carrier and is provided with a plurality of sliding grooves, and each sliding The rods extend into the sliding grooves to guide the sliding movement of the lock plate. The storage cabinet with a double lock mechanism as described in claim 3, wherein the safety lock structure further includes a control handle, the control handle is arranged on the lock plate and can be exposed through the door opening, and the control handle controls the lock plate Sliding relative to the carrier. The storage cabinet with a double lock mechanism according to claim 7, wherein the safety lock structure further includes a gear set, the lock plate is provided with a rack, the control handle controls the rotation of the gear set, the gear set and the tooth The bar engages and drives the lock plate to slide relative to the carrier. The accommodating cabinet with a double lock mechanism according to claim 1, wherein the input slot has an inner end that opens toward the cabinet body, and the lower edge of the inner end extends upward with a shield. The storage cabinet with a double lock mechanism as described in claim 1, wherein the input slot is a slit type input slot.

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