Key Box

Abstract

The key box to be protected by the present invention comprises a box body, a cover body and a locking mechanism; the box body is provided with a key cavity, a card block is protruding from the cavity wall of the key cavity, and a first inclined surface is provided at the free end of the card block; one side of the cover body is rotatably connected with the box body to close or open the key cavity; the locking mechanism is installed on the cover body; the locking mechanism comprises a locking part and a first elastic member, a locking tongue is provided at one end of the locking part, the other end of the locking part is arranged opposite to the first elastic member, and a second inclined surface is provided at the free end of the locking tongue; the cover body is closed, the locking tongue moves close to the card block, the second inclined surface slides along the first inclined surface, and the locking part compresses the first elastic member; the locking tongue is misaligned with the card block, the first elastic member is restored, and the locking tongue is driven to move in the opposite direction so that the locking tongue locks the card block. The key box of the present invention completes locking when the cover body is closed, which is very convenient.

Description

Technical Field

[0001] The invention relates to the technical field of container devices for placing keys, and in particular to a key box. Background Art

[0002] After people leave home, they usually carry keys with them, and the keys may be lost if they are not careful. In order to solve this problem, people have invented a key box for placing keys. The key box is installed at the door. When leaving home, the keys are placed in the key box and locked without using the keys. However, most of the current locking methods of key boxes are to lock by pushing the locking structure by hand, such as the smart video doorbell with patent application number 2019200367803, which locks the card block 13 by turning the hook 18 with the knob 17. This locking method brings certain inconveniences due to the existence of a manually operated locking structure, and is particularly not suitable for people with inflexible fingers. Based on this, it is necessary to improve the locking structure of the existing key box and design a more convenient locking method. Summary of the invention

[0003] In view of the problem that the existing key box is not easy to lock, the purpose of the present invention is to provide a structure that can be locked by simply closing the box cover of the key box, so that the key box can be locked very easily.

[0004] The specific technical solutions of the present invention are as follows:

[0005] A key box comprises a box body, a cover body and a locking mechanism;

[0006] The box body is provided with a key cavity, a clamping block is protruding from the cavity wall of the key cavity, and a first inclined surface is provided at the free end of the clamping block;

[0007] One side of the cover body is rotatably connected to the box body to close or open the key chamber;

[0008] The locking mechanism is mounted on the cover body;

[0009] The locking mechanism comprises a locking portion and a first elastic member, a locking tongue is arranged at one end of the locking portion, the other end of the locking portion is arranged opposite to the first elastic member, and a second inclined surface is arranged at the free end of the locking tongue;

[0010] When the cover is closed, the lock tongue moves close to the block, the second inclined surface slides along the first inclined surface, and the locking portion compresses the first elastic member; the lock tongue is misaligned with the block, the first elastic member recovers, and drives the lock tongue to move in the opposite direction so that the lock tongue locks the block.

[0011] Preferably, the cover body is provided with a pop-up structure;

[0012] The pop-up structure includes a second elastic member, a fixing plate and a push rod, and a ring-shaped protrusion is provided on the side of the push rod;

[0013] The cover body is provided with a receiving cavity;

[0014] The fixing plate is provided with a through hole, the fixing plate is fixed to the cover body, and the through hole is arranged opposite to the accommodating cavity;

[0015] The second elastic member is placed in the accommodating cavity, one end of the push rod is fixed to the second elastic member, and the other end of the push rod passes through the through hole;

[0016] The locking tongue locks the card block, and the abutting rod abuts the card block and compresses the second elastic member;

[0017] The locking tongue unlocks the card block, and the second elastic member recovers, driving the cover body to rotate so that the locking tongue moves away from the card block.

[0018] Preferably, the locking mechanism further includes a power supply, a fingerprint recognition controller, a driving member, a rotating part and a moving block;

[0019] The power supply is used to provide electrical energy;

[0020] The power supply is electrically connected to the fingerprint recognition controller;

[0021] The output end of the driving member is fixed to the rotating part, and the rotating part is provided with an eccentric rod;

[0022] A slide groove is arranged at one end of the moving block, and an inclined portion is arranged on the moving block;

[0023] The locking part opens a passage;

[0024] One end of the eccentric rod is inserted into the slide slot, and the moving block passes through the channel;

[0025] The fingerprint recognition controller recognizes the fingerprint and controls the driving member to rotate, driving the rotating part to drive the moving block to move along the channel, and the inclined part of the moving block drives the lock tongue to move away from the locking block to unlock, and compresses the first elastic member.

[0026] Preferably, the locking mechanism further comprises an electronic switch, and a touch portion is provided at the other end of the moving block;

[0027] The slide groove and the contact portion are located on opposite sides of the locking portion;

[0028] The moving block slides back and forth, and the contact part touches the electronic switch to close or open it;

[0029] Electronic switches are used to control the on and off of circuits.

[0030] Preferably, the cover body is provided with a mounting groove and a mounting plate;

[0031] The locking mechanism is fixed to the mounting slot;

[0032] The mounting plate secures the mounting slots to cover the locking mechanism.

[0033] Preferably, the locking portion is provided with a blind hole;

[0034] One end of the first elastic member abuts against the blind hole, and the other end of the first elastic member abuts against the groove wall of the installation groove.

[0035] Preferably, the fingerprint recognition controller includes a fingerprint recognition window, a circuit board, a display light and a charging plug;

[0036] The fingerprint recognition window, the display light and the charging plug are all electrically connected to the circuit board;

[0037] The fingerprint recognition window and the display light are exposed on the cover;

[0038] The display light can show two different colors;

[0039] The charging plug is used for charging.

[0040] Preferably, the first elastic member and the second elastic member are springs, and the driving member is a motor.

[0041] Preferably, the box body is also equipped with a doorbell device and a camera device;

[0042] The doorbell device and the camera device are integrated into one structure.

[0043] Preferably, the box body is provided with a mounting hole;

[0044] The mounting holes are used to fix the box body.

[0045] The key box of the present invention has a card block with a first inclined surface protruding from the cavity wall of the key cavity, and a lock tongue with a second inclined surface installed on the cover body. When the cover body covers the key cavity, the locking part moves relative to the card block and compresses the first elastic member through the interaction between the first inclined surface and the second inclined surface, and the lock tongue and the card block are misaligned and locked. The key box of the present invention completes locking when the cover body is closed, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a structural schematic diagram of an embodiment of a key box;

[0047] Figure 2 This is a structural diagram of the key box from another angle;

[0048] Figure 3 It is a top view of the key box;

[0049] Figure 4 yes Figure 3 Sectional view in the AA direction;

[0050] Figure 5 It is a schematic diagram of the structure of the box body, the doorbell device and the camera device;

[0051] Figure 6 is a schematic diagram of the structure of the cover body and the locking mechanism;

[0052] Figure 7 It is a schematic diagram of the structure inside the key box;

[0053] Figure 8 yes Figure 7 The enlarged view of the position indicated by B;

[0054] Fig. 9 is a schematic diagram of the structure of the locking mechanism and the mounting plate;

[0055] Fig.10 yes Fig. 9 A top view of

[0056] Fig.11 yes Fig. 9 A schematic diagram of the structure from another angle;

[0057] Fig.12 yes Fig.11 The enlarged view of the position indicated by C in the middle;

[0058] Fig.13 is an exploded schematic diagram of a portion of the structure of the locking mechanism and the mounting plate;

[0059] Fig.14 It is a structural schematic diagram of a cover body and a pop-up structure;

[0060] Fig.15 yes Fig.14 Exploded diagram of

[0061] Fig.16 yes Fig.15 The enlarged view of the position indicated by D in the figure;

[0062] Fig.17 It is a structural diagram of the pop-up structure;

[0063] Fig.18 yes Figure 4 Enlarged view of the position indicated by E in the middle.

[0064] Description of reference numerals:

[0065] 100-key box; 1-box body, 11-key cavity, 12-card block, 121-first inclined surface, 13-rotation hole, 14-mounting hole, 15-volume hole; 3-locking mechanism, 31-fingerprint recognition controller, 311-display light, 312-fingerprint recognition window, 313-circuit board, 314-charging plug, 32-locking part, 321-second inclined surface, 322-channel, 323-lock tongue, 324-blind hole, 33-first elastic member, 34-shift Moving block, 341-inclined portion, 342-touching portion, 343-sliding groove, 35-rotating portion, 351-eccentric rod, 36-driving member, 361-output end, 37-electronic switch, 371-button, 38-power supply; 4-doorbell device; 5-camera device; 6-cover body, 61-rotating shaft, 62-installing groove, 63-accommodating cavity; 7-installing plate; 8-pop-up structure, 81-fixing plate, 82-button rod, 83-second elastic member, 84-through hole, 85-annular protrusion. DETAILED DESCRIPTION

[0066] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0067] Please refer to Figure 1-2 The key box 100 is mainly fixed on the wall at the entrance. When going out, the key is placed in the key box 100. When entering the door, the key is taken out from the key box 100 to open the door. There are many ways to fix the key box 100 on the wall, such as hanging, embedding, etc. In this embodiment, the key box 100 has a box body 1, and a mounting hole 14 is set on the back of the box body 1. The key box 100 is fixed on the wall through the mounting hole 14.

[0068] In addition, a doorbell device 4 and a camera device 5 are installed on the box body 1, and the doorbell device 4 and the camera device 5 are integrated. The guest can knock on the door by pressing the doorbell device 4, and the family can see the guest clearly through the camera device 5 after hearing the knock on the door, and a volume hole 15 is provided to realize the conversation with the guest.

[0069] After the key is placed in the key box 100 , in order to conveniently lock the key box 100 , this embodiment provides a structure that can lock the key box 100 by simply closing the cover body 6 .

[0070] For details, please refer to Figure 1-7The key box 100 includes a box body 1, a cover body 6 and a locking mechanism 3. The box body 1 is provided with a key cavity 11, and the key cavity 11 is used to place a key. A card block 12 is protruding from the cavity wall of the key cavity 11, and a first inclined surface 121 is provided at the free end of the card block 12. One side of the cover body 6 is rotatably connected to the box body 1 to close or open the key cavity 11, and the locking mechanism 3 is installed on the cover body 6. The locking mechanism 3 includes a locking portion 32 and a first elastic member 33. A locking tongue 323 is provided at one end of the locking portion 32, and the other end of the locking portion 32 is arranged opposite to the first elastic member 33, and a second inclined surface 321 is provided at the free end of the locking tongue 323. The first elastic member 33 can be a spring or other elastic structure. In this embodiment, a spring is selected.

[0071] After the key is placed in the key cavity 11 of the box body 1, the cover body 6 is covered by hand to rotate the cover body 6, the locking tongue 323 moves close to the block 12, the second inclined surface 321 slides along the first inclined surface 121, and the locking portion 32 compresses the first elastic member 33; the second inclined surface 321 and the first inclined surface 121 slide relative to each other to make the locking tongue 323 misaligned with the block 12, and then the compressed first elastic member 33 recovers, driving the locking tongue 323 to move in the opposite direction so that the locking tongue 323 locks the block 12, thereby Figure 4 The locking situation can be clearly seen in the figure. This method of locking by simply covering the cover body 6 with the hand is very convenient and is particularly suitable for people with clumsy fingers.

[0072] Regarding the way in which one side of the cover body 6 is rotatably connected to the box body 1, in this embodiment, a rotation hole 13 is set on the box body 1, and the two rotation holes 13 are arranged opposite to each other. A rotating shaft 61 is set on the cover body 6, and the rotating shaft 61 is inserted into the rotation hole 13 to realize the rotation connection between the cover body 6 and the box body 1.

[0073] After the key box 100 is locked, it needs to be unlocked, and there are many unlocking structures, such as password key input, touch screen input, etc. In this embodiment, the locking mechanism 3 can also be unlocked, and the locking mechanism 3 is unlocked by fingerprint.

[0074] For details, please refer to Figure 7-13 The locking mechanism 3 includes a power supply 38, a fingerprint recognition controller 31, a driving member 36, a rotating part 35, a moving block 34, an electronic switch 37, and the aforementioned locking part 32 and a first elastic member 33. The locking mechanism 3 is unlocked by the cooperation of these mechanisms. The driving member 36 can be a motor or other power device, and the rotating part 35 is generally a cylindrical structure.

[0075] The power supply 38 provides power to the entire locking mechanism 3 and may be a battery. The power supply 38 is electrically connected to the fingerprint recognition controller 31. Figure 1 and Figure 10-11As shown, the fingerprint recognition controller 31 includes a fingerprint recognition window 312, a circuit board 313, a display light 311 and a charging plug 314. The charging plug 314 provides an interface for charging the power supply 38. The power supply 38, the fingerprint recognition window 312, the display light 311 and the charging plug 314 are all electrically connected to the circuit board 313, and the fingerprint recognition window 312 and the display light 311 are both exposed from the cover body 6, and the charging plug 314 is exposed from the box body 1. The fingerprint recognition window 312 is used to collect fingerprints. The circuit board 313 makes a matching judgment based on the fingerprint collected by the fingerprint recognition window 312 and decides whether to unlock, and prompts whether the match is correct by displaying two different colors on the display light 311.

[0076] Of course, initially, the fingerprint recognition controller 31 needs to store target fingerprints such as family members' fingerprints through the cooperation of the fingerprint recognition window 312, the circuit board 313 and the display light 311 to provide a basic fingerprint for matching. The collection of such target fingerprints will not be described in detail here.

[0077] When the circuit board 313 collects the fingerprint according to the fingerprint recognition window 312 and determines that it does not match, the display light 311 will turn red, prompting that entering the fingerprint again will not unlock the door; when the circuit board 313 collects the fingerprint according to the fingerprint recognition window 312 and determines that it matches, the display light 311 will turn blue, and the unlocking operation will be performed.

[0078] For better unlocking, please refer to Figure 8-14 In this embodiment, the cover body 6 is provided with a mounting groove 62 and a mounting plate 7, and the locking mechanism 3 is fixed in the mounting groove 62. The mounting groove 62 matches the size of the internal mechanisms of the locking mechanism 3, such as the power supply 38, the fingerprint recognition controller 31, the driving member 36, the rotating part 35, etc., and the mounting plate 7 fixes the mounting groove 62 to cover the locking mechanism 3, thereby ensuring the accuracy of the unlocking action of the locking mechanism 3. Figure 13-14 As shown, in order to more stably arrange the first elastic member 33 , a blind hole 324 is opened at one end of the locking portion 32 , one end of the first elastic member 33 abuts against the blind hole 324 , and the other end of the first elastic member 33 abuts against the groove wall of the installation groove 62 .

[0079] In addition, the related mechanisms in the locking mechanism 3 are connected and operated as follows: the fingerprint recognition controller 31 is electrically connected to the driving member 36, the output end 361 of the driving member 36 is fixed to the rotating part 35, the rotating part 35 is provided with an eccentric rod 351, one end of the moving block 34 is provided with a slide groove 343, and one end of the eccentric rod 351 is inserted into the slide groove 343. The other end of the moving block 34 is provided with a touch portion 342, the moving block 34 is provided with an inclined portion 341, the locking part 32 is provided with a channel 322, the moving block 34 passes through the channel 322, so that the slide groove 343 and the touch portion 342 are located on different sides of the locking part 32, the electronic switch 37 is electrically connected to the circuit board 313, the electronic switch 37 is provided with a button 371, and the button 371 is arranged opposite to the touch portion 342.

[0080] Please refer to Figure 4 and Figure 8-14 When the circuit board 313 determines that the fingerprint collected by the fingerprint identification window 312 is successfully matched, the circuit board 313 controls the driving member 36 to rotate, and the driving member 36 drives the rotating part 35 to rotate through the output end 361. The eccentric rod 351 of the rotating part 35 moves in the slide groove 343 to drive the moving block 34 to move along the channel 322. The inclined portion 341 of the moving block 34 squeezes the locking portion 32 to move it and drives the locking tongue 323 away from the block 12. The locking portion 32 also compresses the first elastic member 33 at the same time. In this way, the locking tongue 323 and the block 12 are no longer locked with each other, and the cover body 6 can be opened at this opportunity.

[0081] In order to reset the structures such as the driving member 36, the moving block 34 and the rotating part 35, an electronic switch 37 is installed. Specifically, during the movement of the moving block 34 along the channel 322, the touching part 342 of the moving block 34 acts on the button 371 to disconnect it, and the electronic switch 37 disconnects the circuit in the fingerprint recognition controller 31. At this time, the driving member 36 no longer drives the rotating part 35 to rotate, and the compressed first elastic member 33 recovers and can drive the locking part 32 to move in the opposite direction. The locking part 32 acts on the inclined part 341 to drive the moving block 34 to move in the opposite direction. During the return process, the touching part 342 of the moving block 34 acts on the button 371 again to close it, and the electronic switch 37 connects the circuit in the fingerprint recognition controller 31. However, because no fingerprint judgment is performed at this time, the circuit board 313 will not control the driving member 36 to rotate again.

[0082] When the inclined portion 341 of the moving block 34 presses the locking portion 32 so that the locking tongue 323 and the block 12 are no longer locked with each other, the cover body 6 can be opened. However, since the time interval between the locking tongue 323 and the block 12 being in the unlocked state is very short, in order to seize this opportunity, in this embodiment, the cover body 6 is provided with a pop-up structure 8. When the locking tongue 323 and the block 12 are in the unlocked state, the pop-up structure 8 can act on the cover body 6 to rotate it, driving the locking tongue 323 to quickly move away from the block 12 and unlock.

[0083] Please refer to Figure 4 and Figure 14-18 , the pop-up structure 8 is arranged on one side of the cover body 6, and the pop-up structure 8 includes a second elastic member 83, a fixing plate 81 and a push rod 82. The fixing plate 81 is provided with a through hole 84, and a ring-shaped protrusion 85 is provided on the side of the push rod 82. In addition, a receiving cavity 63 is provided on the cover body 6, the fixing plate 81 is fixed to the cover body 6, and the through hole 84 is arranged opposite to the receiving cavity 63. The second elastic member 83 is placed in the receiving cavity 63, one end of the push rod 82 is fixed to the second elastic member 83 and is located in the receiving cavity 63, and the other end of the push rod 82 passes through the through hole 84 and is exposed. Among them, the ring-shaped protrusion 85 can push against the fixing plate 81, and the second elastic member 83 can be a spring or other elastic structure. In this embodiment, the second elastic member 83 is a spring.

[0084] When one side of the cover body 6 rotates relative to the box body 1 so that the cover body 6 covers the key chamber 11, at this time, the lock tongue 323 locks the block 12, and the free end of the push rod 82 pushes against the block 12 and compresses the second elastic member 83; when the lock tongue 323 and the block 12 are in an unlocked state through the locking mechanism 3, at this time, the second elastic member 83 quickly recovers, because the free end of the push rod 82 pushes against the block 12, the second elastic member 83 acts on the cover body 6, driving the cover body 6 to rotate in the opposite direction to make the lock tongue 323 away from the block 12, and the cover body 6 is opened, and the key in the key chamber 11 can be taken out.

[0085] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A key box, characterized in that: It includes a box body, a cover body and a locking mechanism; The box body is provided with a key cavity, a clamping block is protruding from the cavity wall of the key cavity, and a first inclined surface is provided at the free end of the clamping block; One side of the cover is rotatably connected to the box body to close or open the key chamber; The locking mechanism is mounted on the cover body; The locking mechanism comprises a locking portion and a first elastic member, a locking tongue is arranged at one end of the locking portion, the other end of the locking portion is arranged opposite to the first elastic member, and a second inclined surface is arranged at the free end of the locking tongue; The cover body is closed, the lock tongue moves close to the block, the second inclined surface slides along the first inclined surface, and the locking portion compresses the first elastic member; the lock tongue is misaligned with the block, the first elastic member recovers, and drives the lock tongue to move in the opposite direction so that the lock tongue locks the block; The locking mechanism also includes a power supply, a fingerprint recognition controller, a driving member, a rotating part and a moving block; The power supply is used to provide electrical energy; The power supply is electrically connected to the fingerprint recognition controller; The output end of the driving member is fixed to the rotating part, and the rotating part is provided with an eccentric rod; A slide groove is provided at one end of the moving block, and an inclined portion is provided on the moving block; The locking portion defines a passage; One end of the eccentric rod is inserted into the slide slot, and the moving block passes through the channel; The fingerprint recognition controller recognizes the fingerprint and controls the driving member to rotate, driving the rotating part to drive the moving block to move along the channel, and the inclined part of the moving block drives the lock tongue to move away from the locking block to unlock, and compresses the first elastic member.

2. The key box according to claim 1, characterized in that: The cover body is provided with a pop-up structure; The pop-up structure includes a second elastic member, a fixing plate and a push rod, and a ring-shaped protrusion is provided on the side of the push rod; The cover body defines a receiving cavity; The fixing plate is provided with a through hole, the fixing plate is fixed to the cover body, and the through hole is arranged opposite to the accommodating cavity; The second elastic member is placed in the accommodating cavity, one end of the push rod is fixed to the second elastic member, and the other end of the push rod passes through the through hole; The locking tongue locks the card block, and the abutting rod abuts against the card block and compresses the second elastic member; The locking tongue unlocks the card block, and the second elastic member recovers, driving the cover body to rotate so that the locking tongue moves away from the card block.

3. The key box according to claim 1, characterized in that: The locking mechanism also includes an electronic switch, and a touch portion is provided at the other end of the moving block; The sliding groove and the contact portion are located on opposite sides of the locking portion; The moving block slides back and forth, and the touching part touches the electronic switch to close or open it; The electronic switch is used to control the on and off of the circuit.

4. The key box according to claim 3, characterized in that: The cover body is provided with a mounting groove and a mounting plate; The locking mechanism is fixed to the mounting slot; The mounting plate fixing mounting groove covers the locking mechanism.

5. The key box according to claim 4, characterized in that: The locking portion is provided with a blind hole; One end of the first elastic member abuts against the blind hole, and the other end of the first elastic member abuts against the groove wall of the installation groove.

6. The key box according to claim 1, characterized in that: The fingerprint recognition controller includes a fingerprint recognition window, a circuit board, a display light and a charging plug; The fingerprint recognition window, the display light and the charging plug are all electrically connected to the circuit board; The fingerprint recognition window and the display light are exposed from the cover; The display light can display two different colors; The charging plug is used for charging.

7. The key box according to claim 1, characterized in that: The first elastic member and the second elastic member are springs, and the driving member is a motor.

8. The key box according to claim 1, characterized in that: The box body is also equipped with a doorbell device and a camera device; The doorbell device and the camera device are integrated into one structure.

9. The key box according to claim 1, characterized in that: The box body is provided with a mounting hole; the mounting hole is used to fix the box body.

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