CN217681243U

CN217681243U - Key box

Info

Publication number: CN217681243U
Application number: CN202123097214.XU
Authority: CN
Inventors: 银行
Original assignee: Beijing Feihong Yunji Technology Co ltd
Current assignee: Beijing Feihong Yunji Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-10-28
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a key box, which comprises a shell, a switch module and a control module, wherein one side of the shell is provided with a key inlet and outlet for taking and placing keys; the switch module is arranged in the shell and connected with the control module, so that the shell is in an open state or a closed state; the control module is arranged in the shell and used for controlling the switch module. The utility model provides a key box compares with prior art, does not do any change to current emergency exit and key, only designs new key box, realizes the intelligent management to the emergency exit key, improves the security of railway operations.

Description

Key box

Technical Field

The utility model relates to a key box belongs to intelligent storage device technical field.

Background

Usually, a railway worker needs to often construct on a rail to perform operations such as patrol, overhaul and the like. In consideration of safety, a railway construction management department manages and controls the on-track operation of workers, but for various reasons, some railway workers still do not comply with the regulations and can go on and off the track privately outside the specified time, so that safety accidents are caused.

Usually, protective nets are installed on two sides of a rail to prevent people from intruding randomly, the rail can only enter a rail running area through a specific access door on the protective nets, keys of the access door are usually managed by each work area of the railway, and workers need to take the keys for getting on the rail when an operation plan exists. In order to ensure safety, special persons are set in some areas as key managers, and keys are required to be taken and registered for signature, but the mode increases the workload of a work area, consumes labor, and avoids the risk hazards of wrong picking and recording or untimely returning.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a key box is provided.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a key box comprises a shell, a switch module and a control module,

one side of the shell is provided with a key inlet and a key outlet for taking and placing keys;

the switch module is arranged in the shell and connected with the control module, so that the shell is in an opening state or a closing state;

the control module is arranged in the shell and used for controlling the switch module.

Wherein preferably, the switch module comprises a switch board, a cam and a motor,

the switch board is provided with a guide hole vertical to the first direction,

the cam comprises a cam disc and a cam column, the cam column is arranged at the edge of the cam disc, a cam hole is arranged on the cam disc,

the cam is inserted on the power shaft of the motor through the cam hole, the cam post is inserted in the guide hole,

the motor drives the cam to rotate, so that the switch board moves towards a first direction or a second direction, and the first direction and the second direction are opposite directions.

Preferably, the device also comprises a magnet and a Hall sensor,

the magnet is fixed on one side of the switch board facing the inside of the shell, and the magnet and the switch board move synchronously;

the Hall sensor is fixed on the control module and used for detecting whether the magnet enters a detection range.

Preferably, the motor is a miniature direct current motor.

Preferably, the key management device further comprises a detection module, wherein the detection module is arranged in the shell and is connected with the control module for detecting whether the key is in the state or not.

Wherein preferably, the detection module comprises a first limit part, a second limit part, a first limit plate, a second limit plate and an infrared distance measuring sensor,

the first limiting part and the second limiting part are oppositely arranged at a preset distance,

the first limit plate is tightly attached to one side of the first limit part and one side of the second limit part, the second limit plate is tightly attached to the other side of the first limit part and the second limit part,

on the first limiting plate, a sensor groove hole is formed in the position between the first limiting part and the second limiting part, and the infrared distance measuring sensor is arranged in the sensor groove hole.

Preferably, the device further comprises a guide plate, the guide plate is arranged on one side of the shell, and a guide groove is formed in the guide plate.

Preferably, the portable electronic device further comprises an input unit arranged on one side of the shell and used for inputting the unlocking password.

Preferably, a safety hole is formed in the housing at one side of the key inlet and outlet, and the safety hole corresponds to the cam column.

Preferably, the control module is a control circuit board.

The utility model discloses following technological effect has: compared with the prior art, the intelligent management of the safety door key is realized by only designing a new key box without changing the existing safety door and key, and the safety of railway operation is improved.

Drawings

Fig. 1 is a schematic structural view of a key case according to a first embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of the key box and the first key according to the first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a switch module of a key case according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a detection module of a key box according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a safety hole of a key box according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a key case according to a second embodiment of the present invention;

fig. 7 is a schematic view of the internal structure of the key box and the second key according to the second embodiment of the present invention;

fig. 8 is a schematic structural view of a key case according to a second embodiment of the present invention in a use state.

In the drawings, each reference numeral denotes:

1. a housing; 10. a key inlet and outlet; 2. a switch module; 21. a switch plate; 211. a guide hole; 22. a cam; 221. a cam plate; 222. a cam post; 223. a cam hole; 23. a motor; 231. a power shaft; 3. a control module; 4. a first key; 5. a detection module; 51. a first limiting part; 52. a second limiting part; 53. a first limit plate; 54. a second limiting plate; 55. An infrared distance measuring sensor; 56. a sensor slot; 6. an input unit; 7. a safety hole; 8. a Hall sensor; 9. a guide plate; 91. a guide groove; 11. a second key; 12. a key slider; 13. a key leg.

Detailed Description

The technical content of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

(first embodiment)

As shown in fig. 1-2, the key box of the present invention includes a housing 1, a switch module 2 and a control module 3. A key access opening 10 is provided at one side of the housing 1 for accessing the first key 4. The switch module 2 is disposed in the housing 1, and the switch module 2 is connected to the control module 3, and the control module 3 controls the switch module 2, so that the housing 1 is in an on state or an off state. In order to more clearly explain the present invention, the direction perpendicular to the key entry 10 is set to a first direction and a second direction, which are opposite directions; the extending direction of the key case doorway 10 is set to a third direction and a fourth direction, which are opposite directions. As shown in fig. 3, the switch module 2 includes a switch plate 21, a cam 22, and a motor 23. The switch plate 21 is provided with a guide hole 211 extending in the third direction. The cam 22 comprises a cam disc 221 and a cam column 222, the cam column 222 is arranged at the edge of the cam disc 221, and a cam hole 223 is formed in the cam disc 221. The power shaft 231 of the motor 23 is inserted into the cam hole 223, and the cam post 222 is inserted into the guide hole 211. When the key box is opened or closed, the control module 3 controls the motor 23 to drive the cam 22 to rotate after receiving an instruction of opening or closing the key box, and the cam column 222 moves along with the rotation. The displacement of the cam column 222 can be decomposed into two displacements in the horizontal and vertical directions, namely, two displacements in the first direction and the third direction, the guide hole 211 has a certain width in the third direction and can accommodate the displacement of the cam column 222 in the third direction, and the width of the guide hole 211 in the first direction is consistent with the diameter of the cam column 222, so that the displacement of the cam column 222 in the first direction can drive the switch plate 21 to displace in the first direction, thereby realizing that the rotary motion of the motor shaft 231 is converted into the motion of the switch plate 21 in the first direction, and further controlling the opening or closing of the key inlet 10. The motor 23 may be a common micro dc motor or a steering engine.

The control module 3 is disposed in the housing 1 and is configured to control the switch module 2. The control module 3 has the functions of Bluetooth, 4G, keyboard input and the like, a user sends instructions to the control module 3 through the ways, and after receiving the instructions, the control module 3 operates the switch module 2 to complete the opening and closing of the key box. In addition, the control module 3 has a storage function, and all operation records of the key box are stored in real time so as to realize intelligent management of the first key 4. The control module 3 is a control circuit board in this embodiment.

The utility model provides a key box can also include detection module 5. The detection module 5 is disposed in the housing 1, and the detection module 5 is connected to the control module 3 for detecting the presence or absence of the first key 4. As shown in fig. 4, the detecting module 5 includes a first limiting portion 51, a second limiting portion 52, a first limiting plate 53, a second limiting plate 54 and an infrared distance measuring sensor 55. The first limiting portion 51 and the second limiting portion 52 are oppositely arranged at a preset distance, the first limiting plate 53 is tightly attached to one side of the first limiting portion 51 and one side of the second limiting portion 52, and the second limiting plate 54 is tightly attached to the other side of the first limiting portion 51 and the other side of the second limiting portion 52. Thus, the first stopper portion 51, the second stopper portion 52, the first stopper plate 53 and the second stopper plate 54 define a key insertion hole. The first stopper plate 53 is provided with a sensor slot 56 at a position corresponding to a position between the first stopper portion 51 and the second stopper portion 52, and the infrared distance measuring sensor 55 is disposed in the sensor slot 56. When the leg of the first key 4 is inserted into the insertion hole, the infrared distance measuring sensor 55 can detect whether the first key 4 is returned to the key box.

Additionally, the utility model provides a key box still includes input unit 6, and this input unit 6 sets up in one side of casing 1 for input the password of unblanking. The input unit may include any letter, number, symbol, etc.

As shown in fig. 5, the key box of the present invention further includes a safety hole 7, the safety hole 7 is disposed on the housing 1 and located at one side of the key inlet/outlet 10, and the safety hole 7 corresponds to the cam post 222. The safety vent 7 is an emergency treatment structure for the switch module 2, and a circular hole is dug in the housing 1 and covered with a brittle high-transparency plexiglas plate to expose a portion where the cam post 222 and the switch plate 21 are connected. On the one hand, when the opening and closing operation of the key box is performed, whether the operation is normal can be observed from the safety hole 7; on the other hand, after the plexiglass plate is broken with a tool, the switch plate 21 is manually moved to take out the first key 4. The safety hole 7 is very practical in emergency, when the electronic part in the equipment fails to unlock the lock, and the worker needs to deal with the problem in the prior art, so that the first key 4 can be taken out by the method.

Additionally, the utility model provides a key box still includes magnet and hall sensor 8. The magnet is fixed to the side of the switch plate 21 facing the inside of the housing, and the magnet moves in synchronization with the switch plate 21. The hall sensor 8 is fixed on the control module 3 and used for detecting whether the magnet enters a detection range. Because the motor 23 is a common micro dc motor, it does not have a closed-loop detection function, i.e. the control program cannot know the current actual rotation position of the motor 23, and also cannot know whether the switch plate 21 has moved to a proper position, and whether the key entrance 10 is accurately closed. To solve this problem, a magnet is fixed on the switch plate 21, the magnet moves along with the switch plate 21, the hall sensor 8 can sense whether the magnet exists in a certain range, so that when the switch plate 21 does not completely close the key inlet/outlet 10, the magnet is in the sensing area of the hall sensor 8, and when the switch plate 21 completely closes the key box inlet/outlet 10, the magnet exceeds the sensing position of the hall sensor 8.

The key box of the present invention is used as follows. A user sends a key box opening instruction to the control module 3 through Bluetooth, 4G, keyboard input and the like, and after receiving the key box opening instruction, the control module 3 operates the switch module 2 to open the key box access 10, so that the user can take out the first key 4. After the first key 4 is used, the first key is put back into the key box, the user sends a closing instruction to the control module 3, and after the key box closing instruction is received, the control module 3 operates the switch module 2 to close the key inlet/outlet 10. While invoking the detection module 5 to determine whether the first key 4 has been placed. When the key box of the utility model is in a closed state, the switch board 21 blocks the key inlet/outlet 10 of the shell in the shell 1; when the key case is in the open state, the switch plate 21 moves in the first direction in the housing 1, and the portion of the switch plate 21 that blocks the key inlet 10 of the housing is moved to one side, so that the key inlet 10 is in the open state.

(second embodiment)

Compared with the first embodiment, the key box provided by the embodiment has different structures only in part. Only different portions will be described in detail below, and portions identical to those of embodiment 1 will not be described again.

As shown in fig. 6 to 7, the key case of the present embodiment further includes a guide plate 9, the guide plate 9 is disposed on one side of the housing 1, and the guide plate 9 is provided with a guide groove 91. In this embodiment, a key slider 12 is provided at the head of the second key 11, and the key slider 12 is inserted into the guide groove 91 and moves in the extending direction of the guide groove 91. As shown in fig. 8, the key used in the key box of the present embodiment is configured in a key structure different from that of embodiment 1 such that the leg portion 13 of the second key 11 protrudes from the key entry/exit 10, and it is not necessary to remove the second key 11 entirely. Since the second key 11 of the present embodiment does not need to be completely removed, the detection module 5 required in embodiment 1 is not required. The user sends a key box opening instruction to the control module 3 through bluetooth, 4G, keyboard input and the like, after receiving the key box opening instruction, the control module 3 operates the switch module 2 to open the key passageway 10, and the user slides the slider 12 of the second key 11 along the guide groove 91, so that the key leg 13 extends out of the key passageway 10. After the second key 11 is used, the key slider 12 slides along the guide groove 91, so that the key leg 13 enters the key inlet 10, the user sends a closing instruction to the control module 3, and after receiving the key box closing instruction, the control module 3 operates the switch module 2 to close the key inlet 10.

To sum up, the utility model provides a key box compares with prior art, does not do any change to current emergency exit and key, only designs new key box, realizes the intelligent management to the emergency exit key, improves the security of railway operations.

The present invention has been described in detail above. Any obvious modifications thereto, which would occur to one skilled in the art and which would not depart from the essence of the invention, would constitute a violation of the patent rights and would bear corresponding legal obligations.

Claims

1. A key box is characterized by comprising a shell, a switch module and a control module,

a key access is formed in one side of the shell and used for taking and placing keys;

the switch module is arranged in the shell and is connected with the control module, so that the shell is in an open state or a closed state;

2. The key box of claim 1, wherein the switch module includes a switch plate, a cam, and a motor,

the switch board is provided with a guide hole vertical to the first direction,

3. The key box of claim 2, further comprising a magnet and a Hall sensor,

the magnet is fixed on one side of the switch plate facing the inside of the shell, and the magnet and the switch plate move synchronously;

4. The key box of claim 1 or 2, further comprising a detection module disposed within the housing and connected to the control module for detecting the presence or absence of the key.

5. The key box of claim 4, wherein the detection module comprises a first limit portion, a second limit portion, a first limit plate, a second limit plate, and an infrared distance measuring sensor,

the first limit part and the second limit part are oppositely arranged at a preset distance,

on the first limiting plate, correspond first spacing portion with position between the spacing portion of second is provided with the sensor slotted hole, infrared distance measuring sensor set up in the sensor slotted hole.

6. The key case of claim 1 or 2, further comprising a guide plate disposed at one side of the housing, the guide plate having a guide groove disposed thereon.

7. The key box of claim 1, further comprising an input unit disposed at one side of the housing for inputting an unlocking code.

8. The key box of claim 2, wherein a security hole is provided in the housing at a side of the key entry and corresponds to the cam post.

9. The key box of claim 1, wherein the control module is a control circuit board.