CN-122014060-A - Explosion venting double-locking system

CN122014060ACN 122014060 ACN122014060 ACN 122014060ACN-122014060-A

Abstract

The invention relates to a venting and explosion double-locking system which comprises an operation part, a sealing, anti-impact locking device and a venting and explosion unlocking device, wherein the anti-impact locking device comprises a transmission connecting rod assembly and a plurality of latch mechanisms, the latch mechanisms are allowed to be opened to a preset angle in a locked state, the angle is blocked, in an unlocked state, the blocking of the cabinet door is completely released, the operation part controls all the latch mechanisms to synchronously switch between the locked state and the unlocked state through the transmission connecting rod assembly, the sealing and locking device comprises a transmission assembly and a plurality of point locking mechanisms, the point locking mechanisms are synchronously unlocked through the driving of the transmission assembly, the transmission assembly is provided with a unlocking end and a venting and explosion triggering end, the unlocking end can be driven by the operation part to synchronously unlock the point locking mechanisms, and the unlocking process is independent of the operation part. Has the requirements of pressure relief and explosion prevention, ensure pressure release and simultaneously ensure the cabinet door has shock resistance.

Inventors

XIANG WENGUANG
CAI HUASHAN
YANG JUN
LI QIANXING
ZHOU YANYI

Assignees

温州一卡锁具科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260209

Claims (8)

1. The explosion venting double-locking system comprises an operation part and a locking device, wherein the locking device is defined with a locking state and an unlocking state, and is characterized in that the locking device comprises a sealing locking device which is used for sealing and locking a cabinet door, the sealing locking device comprises a transmission component, a plurality of point locking mechanisms connected to the transmission component, the point locking mechanisms are driven by the transmission component to synchronously unlock, the transmission component is provided with an unlocking end and an explosion venting triggering end, and the unlocking end can be driven by the operation part to synchronously unlock the point locking mechanisms; And an impact-resistant locking device for resisting the impact of the cabinet door, comprising a transmission connecting rod assembly connected with the driving end of the operation part and a plurality of latch mechanisms, wherein the latch mechanisms have a locking state and an unlocking state, in the locking state, the cabinet door is allowed to be opened to a preset angle and is blocked at the angle, in the unlocking state, the blocking of the cabinet door is completely released, the operation part controls all the latch mechanisms to synchronously switch between the locking state and the unlocking state through the transmission connecting rod assembly, The device also comprises a release explosion unlocking device, wherein the release explosion unlocking device drives the release explosion triggering end to finish the synchronous unlocking of each point locking mechanism, and the release explosion triggering end is driven to unlock through the release explosion unlocking device, so that the device is independent of the operation part; The sealing locking device and the anti-impact locking device are both in a locking state, the sealing locking device and the anti-impact locking device are both unlocked in an unlocking state, the locking device is also defined to be in an explosion venting locking state, and in the explosion venting locking state, the sealing locking device is unlocked through the explosion venting unlocking device, and the anti-impact locking device is in the locking state.
2. The explosion venting double-locking system according to claim 1, wherein the point locking mechanism is a latch mechanism which is in collision with the lock by means of external force, the transmission assembly comprises a driving cable, an actuating piece arranged on the point locking mechanism and used for driving the point locking mechanism to unlock, and a driven cable, one end of the driving cable is connected to the actuating piece of one of the point locking mechanisms, the other end of the driving cable is connected to the unlocking end, the actuating pieces of the point locking mechanisms are connected through the driven cable to realize linkage unlocking, and the explosion venting triggering end and the unlocking end are independent of each other, or the unlocking end is simultaneously used as the explosion venting triggering end.
3. The explosion venting dual locking system as set forth in claim 2, wherein the unlocking end of the sealing locking device is releasable by the operating portion for reset after unlocking the point locking mechanism, whereby the point locking mechanism is in a collided locked state while the latching mechanism remains unlocked.
4. The explosion venting dual lock system as defined in claim 3, wherein the unlock end includes a traction member movably coupled to the operating portion, the traction member defining an initial position maintained by the elastic restoring force and an unlock position driven to reach; The unlocking stroke of the operating part driving latch mechanism can be defined as a front section, a middle section and a rear section which are sequentially carried out, the driving end on the operating part is connected with an unlocking member, the unlocking member is configured to be engaged with the traction member in the middle section stroke, the traction member moves to an unlocking position against the elastic restoring force, and the unlocking member is disengaged from the traction member in the rear section stroke, so that the traction member is allowed to finish restoring to the initial position under the action of the elastic restoring force.
5. The explosion venting and double-locking system according to claim 4, wherein the traction member is a traction sliding block slidingly matched with the operation part, the traction sliding block defines a sliding stroke, two end limits of the stroke respectively form the initial position and the unlocking position, the driving stay rope is connected to the traction sliding block, a sliding block driving part is arranged on the traction sliding block, and the driving part is correspondingly matched with the unlocking member.
6. The explosion venting dual-locking system of claim 5, wherein the slider driving portion is a protruding block protruding on the traction slider, the unlocking member comprises a driving seat driven by the driving end and capable of moving along the sliding direction of the traction slider, a shifting block slidably arranged on the driving seat, and an elastic element for forcing the shifting block to keep a protruding state, when the driving seat moves to a middle stroke, the protruding shifting block forms pushing fit with the protruding block to drive the traction slider to move, and when the traction slider is at a sliding stroke limit position, the shifting block can be pushed by the protruding block to retract against the elastic force, so that the unlocking member passes over the protruding block.
7. The explosion venting dual lock system of claim 2, wherein the latch mechanism comprises a lock point bracket, a rotary lock fork with a U-shaped lock opening, a lock fork spring, a stop hook for locking the rotary lock fork and a stop hook spring, wherein the rotary lock fork is rotatably arranged on the lock point bracket through a pivot, the rotary lock fork is provided with an unlocking position and a locking position, the rotary lock fork is rotated to the locking position from the unlocking position under the action of external force acting on the U-shaped lock opening, the lock fork spring stores energy, the rotary lock fork is rotated to the unlocking position under the driving of the energy storage of the lock fork spring, the stop hook is rotatably arranged on the lock point bracket through the pivot, the stop hook is provided with a normal position, the stop hook spring drives the stop hook to be reset to the normal position, the stop hook is engaged with the rotary lock fork entering the locking position under the driving force of the stop hook spring, and maintains the rotary lock fork to be in the locking position, and the actuating piece is connected to the stop hook and drives the stop hook to be separated from the normal position so as to unlock the rotary lock fork.
8. The explosion venting dual-locking system of claim 1, wherein the operating portion is a connecting rod lock and the driving end is a driving connecting rod of the connecting rod lock.

Description

Explosion venting double-locking system Technical Field The invention relates to the technical field of locks, in particular to a double-locking system with an explosion venting function. Background In the use process of the energy storage device, when internal energy is abnormally accumulated, the internal energy of the energy storage device needs to be rapidly discharged so as to reduce harm. In addition, the reliable locking of the cabinet door and the cabinet body is ensured in the pressure relief process, so that the door plate is prevented from being washed away in the pressure relief process. At present, a connecting rod lock system is generally adopted in energy storage equipment, the lockset comprises an operation part, a locking device driven by the operation part, and the locking device is a multi-point linkage type locking device which is connected with a plurality of locking points through connecting rods, so that multi-point sealing locking of a door plate is realized. The lockset has reliable shock resistance and can effectively lock the door plate. However, under the existing connecting rod lock system, the equipment must additionally design an independent pressure relief channel, and pressure relief can not be directly performed through a cabinet door position, so that the equipment structure is complex and the pressure relief efficiency is low. Therefore, a novel lock structure is needed, which not only can meet the high anti-impact locking requirement during pressure relief, but also can give consideration to the high-efficiency pressure relief function so as to cope with the dual challenges of the equipment in the aspects of explosion relief and structural safety. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides an energy storage explosion venting double-locking system with pressure venting and explosion venting requirements, which can realize that a cabinet door can be locked at a preset opening angle, and ensure the shock resistance of the cabinet door while meeting the pressure venting. In order to achieve the above purpose, the present invention provides the following technical solutions: The explosion venting double-locking system comprises an operation part and a locking device, wherein the locking device is defined with a locking state and an unlocking state, and is characterized in that the locking device comprises a sealing locking device which is used for sealing and locking a cabinet door, the sealing locking device comprises a transmission component, a plurality of point locking mechanisms connected to the transmission component, the point locking mechanisms are driven by the transmission component to synchronously unlock, the transmission component is provided with an unlocking end and an explosion venting triggering end, and the unlocking end can be driven by the operation part to synchronously unlock the point locking mechanisms; And an impact-resistant locking device for resisting the impact of the cabinet door, comprising a transmission connecting rod assembly connected with the driving end of the operation part and a plurality of latch mechanisms, wherein the latch mechanisms have a locking state and an unlocking state, in the locking state, the cabinet door is allowed to be opened to a preset angle and is blocked at the angle, in the unlocking state, the blocking of the cabinet door is completely released, the operation part controls all the latch mechanisms to synchronously switch between the locking state and the unlocking state through the transmission connecting rod assembly, The device also comprises a release explosion unlocking device, wherein the release explosion unlocking device drives the release explosion triggering end to finish the synchronous unlocking of each point locking mechanism, and the release explosion triggering end is driven to unlock through the release explosion unlocking device, so that the device is independent of the operation part; The sealing locking device and the anti-impact locking device are both in a locking state, the sealing locking device and the anti-impact locking device are both unlocked in an unlocking state, the locking device is also defined to be in an explosion venting locking state, and in the explosion venting locking state, the sealing locking device is unlocked through the explosion venting unlocking device and the anti-impact locking device is in the locking state. Preferably, the point locking mechanism is a latch mechanism which is used for being collided and locked by external force, the transmission assembly comprises a driving inhaul cable, an actuating piece and a driven inhaul cable, the actuating piece is arranged on the point locking mechanism and used for driving the point locking mechanism to be unlocked, one end of the driving inhaul cable is connected to the actuating piece of one point locking mechanism, the other end of the driving inhaul cable is connec