Key box coded lock with night lamp for illumination

Abstract

The key box coded lock comprises a safety box body and a box cover, the safety box body comprises a bottom box and a coded lock cover, a code wheel assembly is arranged on the front face of the coded lock cover, and a trigger switch assembly is arranged on the downward side of the coded lock cover. The trigger switch assembly comprises a trigger rod extending out relative to the coded lock cover, a top spring, a light-emitting assembly and a swing trigger plate, and the trigger rod extends out relative to the fuse box body and is used for relieving swing limiting of the swing trigger plate, so that normally-closed state of the light-emitting assembly is switched to start state; according to the password key box, the trigger structure is arranged at the bottom of the box body, a horizontal pushing and pressing mode is adopted, the requirement for the size precision of the pressing structure is lowered, and the problems that a switch is damaged and triggered poorly due to the fact that the switch is pressed too deep vertically are solved; the night lamp can also be used for enabling the back plate to transmit light backwards after the lock is unlocked, the inner cavity of the box body is lighted to a certain degree, a user can conveniently take objects, and the night lamp is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of password locks, in particular to a key box password lock with night light illumination. Background Art

[0002] Locks are widely used to protect the safety of living or use spaces, or to prevent intentional theft and accidental misappropriation of items. However, it is common for users to accidentally lose or misplace keys, causing the locks to be unable to open, resulting in additional expenses and inconvenience such as hiring a locksmith to open the lock or destroying the lock. Therefore, lock boxes for storing keys have appeared on the market to avoid the above situation.

[0003] The existing combination lock boxes on the market require users to use mobile phones or other tools such as flashlights to illuminate the combination lock boxes in poor light conditions, which is inconvenient. China's patent: A key box combination lock with night light illumination Combination lock box with light (202220233043.4) provides a key box combination lock solution with night light illumination, but it still has shortcomings: ① When the box is covered, the pressure block presses the normally closed switch from the front, and the vertical trigger is triggered from the front, so it is necessary to ensure the pressing depth. Too little pressure will not trigger it, and too much pressure will damage the PCB or switch board; ② The use scenario of the combination lock box is in poor light conditions. The existing technology only realizes the lighting of the combination wheel. After opening the box, it is also very inconvenient to take out the keys and other items hung on the hook from the inside of the safety box when the light is poor. Utility Model Content

[0004] In view of the prior art, the purpose of the utility model is to provide a key box combination lock with night light illumination, which can provide light after the cover of the combination key box is opened to facilitate unlocking and taking out items.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a key box combination lock with night light illumination, including a fuse box body and a box cover, the fuse box body includes a bottom box and a combination lock cover, the front of the combination lock cover is provided with a combination wheel assembly, and the downward side is provided with a trigger switch assembly, the trigger switch assembly includes a trigger rod extending relative to the combination lock cover, a top spring, a light-emitting assembly and a swing trigger plate, the trigger rod extends and moves relative to the fuse box body, and is used to release the swing limit of the swing trigger plate, so that the normally closed state of the light-emitting assembly is switched to start.

[0006] As a further configuration of the above scheme, a slide buckle is further provided on the combination lock cover, and the slide buckle is connected to a lock tongue of the plug-in bottom box. A top-opening mechanism for popping open the combination lock cover after releasing the lock tongue is further provided in the bottom box.

[0007] As a further configuration of the above solution, a lock beam and a lock core structure are also provided on the fuse box body.

[0008] As a further configuration of the above solution, the trigger rod extends out of the fuse box body based on the top spring, and the trigger rod is pushed back into the fuse box body after the box cover is buckled.

[0009] As a further configuration of the above solution, the light emitting assembly includes a battery, a PCB board, a switch unit and LED lamp beads, and the LED lamp beads irradiate toward the password wheel assembly.

[0010] As a further configuration of the above solution, a light irradiation window is provided on the back of the combination lock cover, and the unlocking combination wheel of the combination wheel assembly and the back plate of the combination lock cover are made of transparent plastic material.

[0011] Beneficial effect: The password key box of the utility model sets a trigger structure at the bottom of the box body. Compared with the vertical front push-type trigger in the prior art, the utility model adopts a horizontal push-type. In terms of assembly, the precision requirement for the pressing structure is reduced, avoiding problems such as damage to the switch caused by pressing too deep or poor triggering due to pressing too shallowly during design or use. In addition, the night light of this embodiment can also be used to allow the back panel to transmit light backwards after unlocking, and illuminate the inner cavity of the box body to facilitate users to take items. It is convenient to use. The product of this embodiment with a lock beam structure can also be used as a password lock to meet usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the password key box of the utility model.

[0013] Figure 2 This is a schematic diagram of the fuse box in the open state of this embodiment.

[0014] Figure 3 This is a schematic diagram of the fuse and base box structure of this embodiment.

[0015] Figure 4 Schematic diagram of the cover structure of the combination lock cover of this embodiment.

[0016] Figure 5 Schematic diagram of the backplane structure of this embodiment.

[0017] Figure 6 Schematic diagram of the cross section of the trigger switch assembly of this embodiment.

[0018] Figure 7 It is a structural schematic diagram of the design scheme of the fuse box without lock beam in this embodiment.

[0019] Figure numerals: 1. fuse box body; 10. lock beam; 101. lock core structure; 11. bottom box; 12. combination lock cover; 120. light emitting window; 121. slide buckle; 122. lock tongue; 129. back plate; 13. combination wheel assembly; 133. combination wheel; 14. trigger switch assembly; 141. trigger rod; 142. top spring; 143. light-emitting assembly; 1431. PCB board; 1432. battery; 1433. LED lamp beads; 144. swing trigger plate; 18. top opening mechanism. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] like Figure 1-6 A key box combination lock with night light illumination is shown, comprising a fuse box body 1 and a box cover 2. The fuse box body 1 comprises a bottom box 11 and a combination lock cover 12. The combination lock cover 12 is provided with a combination wheel assembly 13 on the front and a trigger switch assembly 14 on the downward side. The trigger switch assembly 14 comprises a trigger rod 141 extending relative to the combination lock cover 12, a top spring 142, a light emitting assembly 143 and a swing trigger plate 144. The trigger rod 141 extends and moves relative to the fuse box body 1 to release the swing limit of the swing trigger plate 144, so that the normally closed switch of the light emitting assembly 143 is started.

[0022] Example 1: Figure 1-4 The trigger switch assembly 14 of the present embodiment shown is different from the trigger structure of the prior art. Compared with the prior art, the normally closed switch set in the light-emitting assembly 143 of the present embodiment is that when the box cover 2 of the key box is buckled, the trigger rod 141 retracts and the light-emitting assembly 143 is in a closed state, and the LED lamp bead 1433 remains closed. After the box cover 2 is opened, the trigger rod 141 extends. After the trigger rod 141 extends and moves, the swing trigger plate 144 releases the swing restriction and swings outward. After the swing, the normally closed switch of the light-emitting assembly 143 is released, the LED lamp bead 1433 lights up, and the light shines on the combination wheel 133, providing lighting for unlocking the combination wheel 133.

[0023] As a further configuration of the above scheme, the combination lock cover 12 is further provided with a slide buckle 121, and the slide buckle 121 is connected to a lock tongue 122 of the plug-in bottom box 11. The bottom box 11 is also provided with a top opening mechanism 18 for popping open the combination lock cover 12 after releasing the lock tongue 122.

[0024] refer to Figure 1 The fuse box body 1 is also provided with a lock beam 10 and a lock core structure 101. Figure 7 In another embodiment shown, the lock beam 10 is not provided on the fuse box body 1. The password key box of this embodiment can be configured with a design with a lock beam 10 or without a lock beam 10, mainly based on actual use requirements. The design with a lock beam 10 can be in a completely unlocked state when in use. The lock beam 10 can be unlocked by controlling the lock core structure 101 from the inside of the fuse box body 1, and then it can be hung on a ring-shaped structure like a common lock. In the scheme without a lock beam 10 structure, it can be fixed to a target wall or other surface by bolts from the inside of the fuse box body 1.

[0025] As a further configuration of the above solution, the trigger rod 141 extends outward from the fuse box body 1 based on the top spring 142 , and the box cover 2 pushes the trigger rod 141 to retract into the fuse box body 1 after being buckled.

[0026] As a further configuration of the above solution, the light emitting assembly 143 includes a battery 1432 , a PCB board 1431 , a switch unit and an LED lamp bead 1433 , and the LED lamp bead 1433 irradiates toward the password wheel assembly 13 .

[0027] Embodiment 2:

[0028] refer to Figure 5-6 The back of the combination lock cover 12 of the present embodiment shown is provided with a light emitting window 120, and the unlocking combination wheel 133 of the combination wheel assembly 13 and the back plate 129 of the combination lock cover 12 are made of transparent plastic material. After the combination wheel 133 is unlocked and the combination lock cover 12 is flipped downward, the light emitting window 120 faces the inner cavity of the bottom box 11, so that the user can easily identify the safe items in the bottom box 11.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the present invention and its equivalent technology, the present invention is also intended to include these modifications and variations.

Claims

1. A key box combination lock with night light illumination, comprising a fuse box body (1) and a box cover (2), wherein the fuse box body (1) comprises a bottom box (11) and a combination lock cover (12), characterized in that: The front of the combination lock cover (12) is provided with a combination wheel assembly (13), and the side facing downward is provided with a trigger switch assembly (14), the trigger switch assembly (14) comprising a trigger rod (141) extending relative to the combination lock cover (12), a top spring (142), a light emitting assembly (143) and a swing trigger plate (144), the trigger rod (141) extending relative to the fuse box body (1) to move, and is used to release the swing limit of the swing trigger plate (144), so that the normally closed state of the light emitting assembly (143) is switched to the start state.

2. A key box combination lock with night light illumination according to claim 1, characterized in that: The combination lock cover (12) is also provided with a slide buckle (121), the slide buckle (121) is connected to a lock tongue (122) plugged into the bottom box (11), and the bottom box (11) is also provided with a push-open mechanism (18) for ejecting the combination lock cover (12) after the lock tongue (122) is released.

3. A key box combination lock with night light illumination according to claim 2, characterized in that: The fuse box body (1) is also provided with a lock beam (10) and a lock core structure (101).

4. A key box combination lock with night light illumination according to claim 1, characterized in that: The trigger rod (141) extends outward from the fuse box body (1) based on the top spring (142); after the box cover (2) is buckled, the trigger rod (141) is pushed to retract into the fuse box body (1).

5. A key box combination lock with night light illumination according to claim 1, characterized in that: The light-emitting component (143) comprises a battery (1432), a PCB board (1431), a switch unit and an LED lamp bead (1433); the LED lamp bead (1433) illuminates the password wheel component (13).

6. A key box combination lock with night light illumination according to claim 5, characterized in that: A light irradiation window (120) is provided on the back of the combination lock cover (12), and the unlocking combination wheel (133) of the combination wheel assembly (13) and the back plate (129) of the combination lock cover (12) are made of a transparent plastic material.

Images