CN221031987U - Key locking device - Google Patents

Abstract

The utility model discloses a key locking device. The key blocking device is used for the mosaic analog screen, and the key blocking device includes: the shell can be embedded in the mosaic simulation screen; the key ring module is used for connecting a key and can extend into the shell; the clamping jaw is arranged in the shell and is provided with a clamping state and an opening state, and in the clamping state, the clamping jaw can clamp the key ring module extending into the shell so as to lock the key ring module; and the locking piece is arranged in the shell and can be switched between a first position connected with the clamping jaw and a second position separated from the clamping jaw, and the clamping jaw is locked in a clamping state by the locking piece at the first position. According to the key locking device provided by the embodiment of the utility model, the random taking-out or the error taking-out of the key under the unauthorized condition can be avoided, so that the phenomena of key loss, disordered placement or inconvenient operation are reduced.

Description

Key locking device

Technical Field

The utility model relates to the field of locks, in particular to a key locking device.

Background

Mosaic analog screens are widely used as important analog display devices in the industrial field in system scheduling monitoring centers in utilities and related fields. The mosaic simulation screen can display working parameters and running states of the field equipment in real time and reflect the running states of the system equipment to a dispatcher timely, truly and comprehensively. Different devices displayed on the mosaic analog screen, some of which require a key to open and close. In the conventional key management method, a hook is added or the key is stored in a key management box for management.

In the existing key management mode, a mode of installing hooks on a simulation screen is adopted for simple management, the keys are used and stored at will, the condition of losing is easy to occur, the keys are stored in a key management box for management, and the keys need to come and go between a mosaic simulation screen and the key management box for multiple times during operation, so that the key management mode is very inconvenient. In the above-described manner, there are cases where key management is unordered, easy to lose, or inconvenient to operate.

Disclosure of utility model

The utility model provides a key locking device which is convenient for key management and reduces the phenomena of key loss, disordered placement or inconvenient operation.

The embodiment of the utility model provides a key locking device for a mosaic simulation screen, which comprises: the shell can be embedded in the mosaic simulation screen; the key ring module is used for connecting a key, and can extend into the shell; the clamping jaw is arranged in the shell and is provided with a clamping state and an opening state, and in the clamping state, the clamping jaw can clamp the key ring module extending into the shell so as to lock the key ring module; and the locking piece is arranged in the shell and can be switched between a first position connected with the clamping jaw and a second position separated from the clamping jaw, and the clamping jaw is locked in the clamping state by the locking piece in the first position.

According to the foregoing embodiment of the present utility model, the key fob module, the clamping jaw, and the locking member are sequentially disposed along the length direction of the housing in a state where the key fob module is inserted into the housing.

According to any one of the preceding embodiments of the utility model, the locking member is a reciprocating drive member comprising a movable portion capable of reciprocating in a length direction of the housing, the movable portion extending towards the jaws in the first position and the movable portion retracting from the jaws in the second position.

According to any of the foregoing embodiments of the present utility model, the clamping jaw includes clamping arms disposed in pairs and rotatably connected to each other, a limit groove is provided on a side of each clamping arm facing the locking member, the locking member extends into the limit groove in the first position, and exits from the limit groove in the second position.

According to any of the preceding embodiments of the utility model, the clamping jaws comprise clamping arms arranged in pairs and rotationally connected to each other, the key locking device further comprising a return spring connected to the pairs of clamping arms and adapted to return the clamping jaws towards the clamped state.

According to any of the preceding embodiments of the present utility model, the key lock device further includes: the mounting piece is located in the shell and connected with the shell, the locking piece is mounted on the mounting piece, a rotating shaft is arranged on the mounting piece, the clamping jaws comprise clamping arms which are arranged in pairs and are connected with each other in a rotating mode, and each clamping arm is connected with the rotating shaft in a rotating mode.

According to any one of the foregoing embodiments of the present utility model, the key ring module includes a key ring housing, a key ring connecting member, and a connecting post, the key ring connecting member and the connecting post are fixedly connected to the key ring housing, the key ring connecting member is used for connecting a key, the connecting post extends out of the key ring housing, a connecting groove is provided at an outer periphery of the connecting post, and the clamping jaw in the clamped state can partially extend into the connecting groove.

According to any of the preceding embodiments of the utility model, the key fob module further comprises a chip fixedly connected to the key fob housing, the key lock device further comprising: the circuit board is arranged in the shell and is electrically connected with the locking piece; the code reading module is arranged in the shell and is electrically connected with the circuit board, and the code reading module can identify the code chips.

According to any of the preceding embodiments of the present utility model, the key lock device further comprises: the circuit board is arranged in the shell and is electrically connected with the locking piece; the luminous piece is arranged in the shell and electrically connected with the circuit board, the key ring module further comprises a light guide column penetrating through the key ring shell, and the key ring module stretches into the shell, and a luminous wire emitted by the luminous piece can enter the light guide column under the state that the key ring module stretches into the shell.

According to any one of the preceding embodiments of the present utility model, the housing includes a front housing portion and a rear housing portion detachably connected in a length direction of the housing, the clamping jaw and the locking member are located in the rear housing portion, and the key fob module is capable of penetrating into the front housing portion and the rear housing portion in sequence.

According to the key locking device provided by the embodiment of the utility model, the shell of the key locking device can be embedded in the mosaic simulation screen, so that the key locking device can be installed on the mosaic simulation screen and integrated, and the appearance neatness of the mosaic simulation screen is maintained. The key locking device comprises a key ring module, clamping jaws and locking pieces, clamping jaws in a clamping state can clamp the key ring module stretching into the shell to lock the key ring module, the locking pieces in a first position lock the clamping jaws in the clamping state, at the moment, the key ring module connected with a key cannot be pulled out from the shell, the key locking device is guaranteed to lock the key ring module and the key under the condition that the key locking device is not unlocked, random taking or misoperation of the key under the condition that the key is not authorized is avoided, and therefore the phenomenon that the key is lost, misplaced or inconvenient to operate is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a key lock of the present utility model;

FIG. 2 is an exploded perspective view of one embodiment of the key lock of the present utility model;

FIG. 3 is a schematic perspective view of an embodiment of a key lock of the present utility model in a state where a key fob module is extended into a housing;

Fig. 4 is a schematic perspective view in half-section of an embodiment of the key lock device of the present utility model in a state in which the key fob module is pulled out of the housing.

Reference numerals illustrate:

100-key locking means;

110-a housing; 111-a front shell portion; 112-a rear shell portion;

120-key fob module; 121-a key fob housing; 122-key fob connector; 123-connecting columns; 1231-connecting groove; 124-chips; 125-a light guide column;

130-clamping jaw; 131-a clamping arm; 1311-limit grooves;

140-locking member; 141-a movable part;

150-resetting the elastic member;

160-mounting; 161-mounting a substrate; 162-mounting a buckle plate; 163-spindle;

170-a circuit board;

180-a code reading module;

190-lighting element.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Fig. 1 and 2 are a schematic perspective view and an exploded perspective view, respectively, of an embodiment of a key locking device according to the present utility model. The key locking device 100 is used for mosaic analog screens. The key lock device 100 includes a housing 110, a key fob module 120, a jaw 130, and a lock 140. The housing 110 can be embedded in a mosaic analog screen. The key fob module 120 is configured to be coupled to a key, and the key fob module 120 can extend into the housing 110.

Fig. 3 is a schematic perspective half-sectional view of an embodiment of the key locking device of the present utility model in a state that the key fob module is inserted into the housing, and fig. 4 is a schematic perspective half-sectional view of an embodiment of the key locking device of the present utility model in a state that the key fob module is pulled out of the housing.

The clamping jaw 130 is disposed within the housing 110, the clamping jaw 130 having a clamped state in which the clamping jaw 130 is capable of clamping the key fob module 120 extending into the housing 110 to latch the key fob module 120, and an open state.

The locking member 140 is disposed within the housing 110. The locking member 140 is capable of switching between a first position connected to the clamping jaw 130 and a second position separated from the clamping jaw 130, and the locking member 140 in the first position locks the clamping jaw 130 in the clamped state, at which time the clamping jaw 130 is no longer capable of switching states under the action of an external force. The locking member 140 in the second position is capable of unlocking the clamping jaw 130 such that the clamping jaw 130 is switchable between a clamped state and an open state under the influence of an external force.

According to the key locking device 100 of the embodiment of the utility model, the shell 110 of the key locking device 100 can be embedded in the mosaic screen, so that the key locking device 100 can be installed on the mosaic screen and integrated, and the appearance of the mosaic screen is kept neat. The key locking device 100 comprises a key ring module 120, a clamping jaw 130 and a locking piece 140, the clamping jaw 130 in a clamping state can clamp the key ring module 120 stretching into the shell 110 to lock the key ring module 120, the locking piece 140 in a first position locks the clamping jaw 130 in the clamping state, at the moment, the key ring module 120 connected with a key cannot be pulled out from the shell 110, the key locking device 100 is ensured to lock the key ring module 120 and the key under the condition of not unlocking, random taking or error taking of the key under the condition of not authorizing is avoided, and therefore the phenomena of lost and disordered putting of the key are reduced. The operation process can be completed at the mosaic simulation screen, and the operation process does not need to go back and forth between the mosaic simulation screen and the key management box for a plurality of times, so that the operation is more convenient in key management.

In some embodiments, the key fob module 120, the clamping jaw 130, and the locking member 140 are sequentially disposed along the length direction of the housing 110 in a state where the key fob module 120 is extended into the housing 110. Because the key ring module 120, the clamping jaw 130 and the locking piece 140 are sequentially arranged along the length direction of the shell 110, the key locking device 100 is more compact in structure, main functional pieces of the key locking device are arranged along the length direction of the shell 110, and the key locking device 100 is embedded in the mosaic screen, only one cell on the mosaic screen is occupied, and the surface of the mosaic screen is kept clean.

In some embodiments, the locking member 140 is a reciprocating drive member that includes a movable portion 141 that is capable of reciprocating in the length direction of the housing 110, in a first position in which the movable portion 141 extends toward the jaw 130, and in a second position in which the movable portion 141 is retracted from the jaw 130. In this embodiment, the locking member 140 is a solenoid assembly including a solenoid having a tubular shape and a plunger located within the solenoid, i.e., the movable portion 141 of the reciprocating driver. In other embodiments, the locking member 140 may also be a reciprocating drive member or a telescoping drive member having a telescoping portion.

In some embodiments, the clamping jaw 130 includes clamping arms 131 arranged in pairs and rotatably connected to each other, and a limiting groove 1311 is provided on a side of each clamping arm 131 facing the locking member 140, and the locking member 140 extends into the limiting groove 1311 in the first position and exits from the limiting groove 1311 in the second position. In some embodiments, each clamping arm 131 is in a bent configuration to enable clamping of the key fob module 120. In the present embodiment, the locking member 140 is a reciprocating driving member, and includes a movable portion 141 capable of reciprocating in the longitudinal direction of the housing 110, the movable portion 141 has a columnar shape, and the limiting groove 1311 has a groove structure matching at least a part of the outer peripheral shape of the movable portion 141 having the columnar shape. The movable portion 141 extends into the limiting groove 1311 in the first position of the locking member 140, and the movable portion 141 exits the limiting groove 1311 in the second position of the locking member 140.

In other embodiments, the locking member 140 may be coupled to the jaw 130 in the first position by other means, not limited to the provision of a limiting slot 1311 on the jaw 130, such that the jaw 130 is locked, and in particular such that the jaw 130 is no longer able to transition from the clamped state to the expanded state.

In some embodiments, the clamping jaws 130 include clamping arms 131 arranged in pairs and rotatably connected to each other, and the key locking device 100 further includes a return spring 150, the return spring 150 being connected to the pairs of clamping arms 131 and being adapted to return the clamping jaws 130 to the clamped state. In the present embodiment, the return elastic member 150 is, for example, a spring, which is connected to the pair of clamp arms 131. Optionally, each clamping arm 131 is provided with a connecting protrusion, and two ends of the spring are respectively connected with the connecting protrusions of the paired clamping arms 131 correspondingly.

In some embodiments, the key lock device 100 further comprises: the mounting member 160 is disposed in the housing 110 and connected to the housing 110, and the locking member 140 is mounted on the mounting member 160, wherein the mounting member 160 is provided with a rotation shaft 163, and the clamping jaws 130 include clamping arms 131 disposed in pairs and rotatably connected to each other, and each clamping arm 131 is rotatably connected to the rotation shaft 163.

In some embodiments, the mounting member 160 includes a mounting base 161 and a mounting clip 162, and the mounting base 161 and the mounting clip 162 can be snapped together and hold the locking member 140 in place. At least one of the mounting base 161 and the mounting clip 162 is detachably connectable with the housing 110.

In the present embodiment, the rotating shafts 163 for rotationally connecting the paired clamping arms 131 are integrated with the mounting member 160, so that the key locking device 100 has a compact internal structure, and the position stability between the clamping jaw 130 and the locking member 140 is ensured, and the connection accuracy of the two is ensured.

In some embodiments, the key ring module 120 includes a key ring housing 121, a key ring connecting member 122, and a connecting post 123, the key ring connecting member 122 and the connecting post 123 are fixedly connected with the key ring housing 121, the key ring connecting member 122 is used for connecting a key, the connecting post 123 extends outwards from the key ring housing 121, a connecting groove 1231 is formed in the periphery of the connecting post 123, and the clamping jaw 130 in a clamped state can partially extend into the connecting groove 1231.

In some embodiments, the attachment slots 1231 are annularly disposed about the outer periphery of the attachment post 123 so that the key fob module 120 can mate with the jaws 130 when inserted into the housing 110 at different angles of rotation.

In some embodiments, the end of the connecting post 123 extending from the key ring housing 121 may be provided with a chamfer, and the end of the clamping jaw 130 facing the key ring module 120 may also be provided with a chamfer, when the locking member 140 is in the second position, the locking member 140 unlocks the clamping jaw 130, and during the insertion of the key ring module 120 into the housing 110, the clamping jaw 130 is first switched from the clamped state to the open state under the action of the connecting post 123, and then the clamping jaw 130 cooperates with the connecting groove 1231, and the clamping jaw 130 is switched from the open state back to the clamped state, so as to clamp the key ring module 120.

In some embodiments, the key fob module 120 further includes a chip 124 fixedly attached to the key fob housing 121, and the key lock 100 further includes a circuit board 170, a code reading module 180. The circuit board 170 is disposed in the housing 110, and the circuit board 170 is electrically connected to the locking member 140. The code reading module 180 is disposed in the housing 110 and electrically connected to the circuit board 170, and the code reading module 180 can identify the chip 124.

By arranging the code chip 124 on the key ring module 120 and arranging the code reading module 180 in the shell 110, the key locking device 100 can read the code of the key ring module 120, thereby accurately identifying and further ensuring that the taking and returning positions of the keys are correct.

In some embodiments, the key locking device 100 further includes a circuit board 170, a light 190. The circuit board 170 is disposed in the housing 110, and the circuit board 170 is electrically connected to the locking member 140. The light emitting member 190 is disposed in the housing 110 and electrically connected to the circuit board 170. The key ring module 120 further includes a light guide post 125 penetrating through the key ring housing 121, and when the key ring module 120 is in a state of extending into the housing 110, the light emitting line emitted by the light emitting element 190 can enter the light guide post 125.

In some embodiments, the light emitting member 190 stands on the circuit board 170, and one end of the light guide post 125 is opposite to the light emitting member 190, and the other end is exposed from an end surface of the key ring housing 121 facing away from the end of the clamping jaw 130.

In some embodiments, the light emitting member 190 is capable of generating different light emitting cues, such as different colors of light, when the key lock 100 is in different states. By providing the light emitting member 190 and the light guide pole 125, the current state of the key locking device 100 can be clearly displayed, facilitating management of keys.

In some embodiments, the housing 110 includes front and rear housing portions 111, 112 detachably connected along the length of the housing 110, with the jaws 130 and locking members 140 located within the rear housing portion 112, and the key fob module 120 is capable of penetrating the front and rear housing portions 111, 112 in sequence.

According to the key locking device 100 of the above embodiment, when the key is returned, the key locking device 100 with a specific number receives a return key command from the host, and then controls the movable portion 141 of the locking member 140 to retract from the clamping jaw 130, the locking member 140 in the second position can unlock the clamping jaw 130, so that the clamping jaw 130 can be switched between the clamping state and the open state under the action of external force, meanwhile, the light emitting member 190 in the corresponding key locking device 100 can flash in red, so as to indicate that the key ring module 120 with a corresponding code value is inserted into the key locking device 100, after the key ring module 120 is inserted into place, the clamping jaw 130 is converted into the clamping state under the action of the reset elastic member 150, the key ring module 120 is clamped, at this time, the key locking device reads the code value of the code sheet 124 of the inserted key ring module 120 through the code reading module 180, and after checking is correct, the movable portion 141 of the locking member 140 stretches out, and the limiting groove 1311 stretching into the clamping jaw 130, so that the clamping arm 131 of the clamping jaw 130 cannot rotate, so as to lock the clamping jaw 130 into the clamping state, and simultaneously, the light emitting member 190 is changed into the green state, so as to indicate that the return is completed. If the returned key ring module 120 is not in the correct position, the host voice prompts the returned position, and the returning can be completed by repeating the above steps.

According to the key locking device 100 of the above embodiment, when a key is taken, the key locking device 100 with a specific number receives a command for taking a key from a host end, and then controls the movable portion 141 of the locking member 140 to retract from the clamping jaw 130, at this time, the clamping jaw 130 can switch between a clamping state and an opening state under the action of an external force, meanwhile, the light emitting member 190 can flash to prompt the key ring module 120 to be pulled out, after the key ring module 120 is pulled out, the code reading module 180 is far away from the code chip 124 built in the key ring module 120, and the corresponding code value of the key ring module 120 cannot be read, so that the key ring module 120 is judged to be taken out, and then the movable portion 141 of the locking member 140 is controlled to extend out and extend into the limiting groove 1311 of the clamping jaw 130, so that the clamping arm 131 of the clamping jaw 130 cannot rotate, so that the clamping jaw 130 is locked in the clamping state, and at the same time, the light emitting member 190 turns green, and the key taking operation is prompted to be completed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description and drawings of the present utility model or the direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A key locking device for a mosaic analog screen, the key locking device comprising:

The shell can be embedded in the mosaic simulation screen;

The key ring module is used for connecting a key, and can extend into the shell;

The clamping jaw is arranged in the shell and is provided with a clamping state and an opening state, and in the clamping state, the clamping jaw can clamp the key ring module extending into the shell so as to lock the key ring module;

and the locking piece is arranged in the shell and can be switched between a first position connected with the clamping jaw and a second position separated from the clamping jaw, and the clamping jaw is locked in the clamping state by the locking piece in the first position.

2. The key locking device according to claim 1, wherein the key ring module, the holding jaw, and the locking member are disposed in this order along a length direction of the housing in a state where the key ring module is inserted into the housing.

3. A key locking device as defined in claim 2, wherein said locking member is a reciprocating drive member including a movable portion reciprocally movable in a length direction of said housing, said movable portion extending toward said jaws in said first position and said movable portion retracting from said jaws in said second position.

4. The key locking device according to claim 1, wherein the clamping jaws comprise clamping arms arranged in pairs and rotatably connected to each other, each clamping arm being provided with a limit slot on a side facing the locking element, the locking element extending into the limit slot in the first position and exiting from the limit slot in the second position.

5. The key locking device according to claim 1, wherein the clamping jaws comprise clamping arms arranged in pairs and rotatably connected to each other, the key locking device further comprising a return spring connected to the clamping arms in pairs and adapted to return the clamping jaws to the clamped state.

6. The key locking device of claim 1 further comprising:

A mounting member positioned within and coupled to the housing, the locking member being mounted to the mounting member,

The clamping jaws comprise clamping arms which are arranged in pairs and are connected with each other in a rotating mode, and each clamping arm is connected with the rotating shaft in a rotating mode.

7. The key locking device according to claim 1, wherein the key ring module comprises a key ring housing, a key ring connecting member, and a connecting post, the key ring connecting member, the connecting post and the key ring housing are fixedly connected, the key ring connecting member is used for connecting a key, the connecting post extends out of the key ring housing, a connecting groove is formed in the periphery of the connecting post, and the clamping jaw in the clamping state can partially extend into the connecting groove.

8. The key locking device of claim 7 wherein said key fob module further comprises a chip fixedly attached to said key fob housing, said key locking device further comprising:

The circuit board is arranged in the shell and is electrically connected with the locking piece;

the code reading module is arranged in the shell and is electrically connected with the circuit board, and the code reading module can identify the code chips.

9. The key locking device of claim 7, wherein the key locking device further comprises:

The circuit board is arranged in the shell and is electrically connected with the locking piece;

The luminous piece is arranged in the shell and is electrically connected with the circuit board,

The key ring module further comprises a light guide column penetrating through the key ring shell, and the light emitting wire emitted by the light emitting piece can enter the light guide column when the key ring module stretches into the shell.

10. The key locking device of claim 1 wherein said housing includes front and rear housing portions removably connected along a length of said housing, said jaws and said locking member being located within said rear housing portion, said key fob module being capable of penetrating into said front and rear housing portions in sequence.