CN214996734U - Emergency lock assembly and shielding door - Google Patents

Emergency lock assembly and shielding door Download PDF

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Publication number
CN214996734U
CN214996734U CN202023179358.5U CN202023179358U CN214996734U CN 214996734 U CN214996734 U CN 214996734U CN 202023179358 U CN202023179358 U CN 202023179358U CN 214996734 U CN214996734 U CN 214996734U
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China
Prior art keywords
emergency
lifting mechanism
latch
state
latch mechanism
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CN202023179358.5U
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Chinese (zh)
Inventor
魏明方
武军峰
冯志远
马岩
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Minsheng Hi Security Products Manufacture Corp
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Minsheng Hi Security Products Manufacture Corp
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Priority to CN202023179358.5U priority Critical patent/CN214996734U/en
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Abstract

In order to solve the problem that can't open fast among the prior art, the utility model provides an emergency lock subassembly, shield door, include: the emergency unlocking device comprises a latch mechanism, a lifting mechanism and an emergency unlocking mechanism; the lifting mechanism is connected with the latch mechanism and used for lifting the latch mechanism to lock; the emergency unlocking mechanism is connected with the lifting mechanism and used for changing the latch mechanism from a locking state to an unlocking state through the axial movement of the lifting mechanism in an emergency state. The utility model is connected with the latch mechanism through the lifting mechanism, and the latch mechanism is lifted to complete the locking; the emergency unlocking mechanism is connected with the lifting mechanism, and in an emergency state, the latch mechanism is changed from a locking state to an unlocking state through axial movement of the lifting mechanism. The utility model discloses simple structure adopts mechanical action, and the reliability is high, can promote the safety index of shielded cell greatly.

Description

Emergency lock assembly and shielding door
Technical Field
The utility model relates to a shield door field especially relates to an emergency lock subassembly, shield door.
Background
The shield door is a shielding device specially arranged for shielding electromagnetic waves in some important occasions. The existing shielding door is driven by a motor, is closed and opened, and is convenient.
However, when the shield door needs to be opened quickly in case of an emergency such as a fire after being closed, the motor is in a shutdown state because no power is supplied due to the fire. When a shielding door is locked, a bolt is required to be matched with a fixing plate, and the door is locked as shown in fig. 1.
Therefore, in case of fire or other accident, the handle is turned manually to move the latch out of the fixing plate, so as to open the door. This results in a very slow door opening speed and increases the potential safety hazard of personnel.
In a word, present shield door can't be opened fast, when meetting emergency, and the potential safety hazard is great.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that can't open fast among the prior art, the utility model provides an emergency lock subassembly, shield door, the utility model discloses simple structure is unanimous with ordinary shield door application method at ordinary times, when meetting special circumstances such as conflagration, through moving back or drawing, just can open the shield door, guarantees shield room personnel's safety.
The utility model provides a technical scheme that above-mentioned technical problem took is: an emergency lock assembly comprising:
a latch mechanism;
the lifting mechanism is connected with the latch mechanism and used for lifting the latch mechanism to lock;
and the emergency unlocking mechanism is connected with the lifting mechanism and is used for changing the latch mechanism from a locking state to an unlocking state through the axial movement of the lifting mechanism in an emergency state.
The latch mechanism, comprising:
a first chute;
the first sliding block is arranged in the first sliding groove and used for lifting in the first sliding groove;
the second sliding chute is arranged on the first sliding block;
the second sliding block is arranged in the second sliding groove;
the lock latch body is arranged at the end part of one end of the second sliding block;
the fixing part is matched with the lock latch body and used for entering a locking state;
the other end of the second sliding block is connected with the emergency unlocking mechanism and used for pulling the latch body out of the fixing part through the axial movement of the lifting mechanism in an emergency state.
The elevating system includes:
a rack;
a gear engaged with the rack;
a gear shaft, wherein the gear is arranged at the end part of the gear shaft and is used for driving the gear to move on the rack so as to lock the latch mechanism;
the end part of the gear shaft is connected with the emergency unlocking mechanism and is used for changing the latch mechanism from the locking state to the unlocking state through the axial movement of the gear shaft in the emergency state.
Emergent unlocking mechanism still includes:
the rotating wheel is arranged on the gear shaft and used for driving the gear shaft to rotate;
the spring is arranged on the outer side of one end of the gear shaft close to the rotating wheel;
the inner clamp spring sleeve is arranged on the outer side of the spring;
the outer clamp spring sleeve is coaxially arranged with the inner clamp spring sleeve;
the inner clamp spring sleeve is fixed with the gear shaft and used for displacing the outer clamp spring sleeve to the outer side of the inner clamp spring sleeve when the spring contracts.
Emergent unlocking mechanism includes:
one end of the first connecting shaft is connected with the lifting mechanism;
the second connecting shaft is connected with the latch mechanism;
one end of the first connecting sheet is connected with the other end of the first connecting shaft;
the second connecting sheet is fixed on the lifting mechanism;
the third connecting shaft is arranged between the first connecting sheet and the second connecting sheet and used for enabling the first connecting sheet to rotate along the axis of the third connecting shaft when the lifting mechanism moves axially;
the other end of the first connecting piece is connected with the second connecting shaft and used for driving the latch mechanism to change from a locking state to an unlocking state when the first connecting piece rotates.
A screen door, comprising: an emergency lock assembly as described above.
The utility model discloses the beneficial effect who brings includes at least: the utility model is connected with the latch mechanism through the lifting mechanism, and the latch mechanism is lifted to complete the locking; the emergency unlocking mechanism is connected with the lifting mechanism, and in an emergency state, the latch mechanism is changed from a locking state to an unlocking state through axial movement of the lifting mechanism. The utility model discloses simple structure adopts mechanical action, and the reliability is high, can promote the safety index of shielded cell greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of prior art lock.
Fig. 2 is a perspective view of the emergency lock assembly of the present invention.
Fig. 3 is an enlarged view at E in fig. 2.
Fig. 4 is a front view of the first connecting piece.
Fig. 5 is a front view of the elevating mechanism.
It is to be understood that: the broken line position in fig. 1 represents the unlocked position.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the structure of the conventional shielding door locking device is schematically illustrated, and the locking or unlocking operation is completed by the lifting of the latch body 103 and the cooperation of the strip-shaped groove on the fixing portion 106. However, in order to protect the equipment in case of an emergency, the power is usually cut off when a fire alarm signal is issued. At this time, since the movement of the latch body 103 is driven by a manual or motor. Since no power is supplied, the motor cannot work, and the latch body 103 can only be manually removed from the fixing portion 106, usually after being rotated, which is time-consuming and dangerous.
In order to solve the above problem, as shown in fig. 2 to 5, an emergency lock assembly includes: the emergency unlocking device comprises a latch mechanism 1, a lifting mechanism 2 and an emergency unlocking mechanism 3; the lifting mechanism 2 is connected with the latch mechanism 1 and used for lifting and locking the latch mechanism 1; the emergency unlocking mechanism 3 is connected with the lifting mechanism 2.
The latch mechanism 1 includes: a first sliding groove 101, a first slide block 102, a second sliding groove 103, a second slide block 104, a latch body 105 and a fixing part 106; the first sliding block 102 is arranged in the first sliding chute 101 and used for lifting in the first sliding chute 101; the second sliding chute 103 is arranged on the first sliding block 102; the second slider 104 is disposed in the second sliding groove 105; a latch body 105 is provided at an end of one end of the second slider 104; the fixing part 106 is matched with the latch body 103 and used for entering a locking state; the other end of the second slider 104 is connected to the emergency unlocking mechanism 3, and is used for pulling out the latch body 103 from the fixing portion 104 by the axial movement of the lifting mechanism 2 in the emergency state.
The lifting mechanism 2 includes: a rack 201, a gear 202 and a gear shaft 203; a gear 202 is meshed with the rack 201; the gear 202 is provided at an end of the gear shaft 203, and is used for driving the gear 202 to move on the rack 201, so that the latch mechanism 1 is locked; an end of the gear shaft 203 is connected to the emergency unlocking mechanism 3 for changing the latch mechanism 1 from the locked state to the unlocked state by the axial movement of the gear shaft 203 in the emergency state.
It is to be understood that: the lifting mechanism 2 can also adopt transmission modes such as a chain wheel and a chain, and the details are not repeated herein.
The lifting mechanism 2 further comprises: a rotating wheel 204, a spring 205, an inner clamp spring sleeve 206 and an outer clamp spring sleeve 207; the rotating wheel 204 is arranged on the gear shaft 203 and is used for driving the gear shaft 203 to rotate; the spring 205 is arranged on the outer side of one end of the gear shaft 203 close to the rotating wheel 204; an inner snap spring sleeve 206 is arranged outside the spring 205; the outer clamp spring sleeve 207 and the inner clamp spring sleeve 206 are coaxially arranged; the inner snap spring sleeve 206 is fixed to the gear shaft 203, and is configured to, when the spring 205 contracts, displace the outer snap spring sleeve 207 to the outer side of the inner snap spring sleeve 206, and compress the spring 205 to the maximum compression amount through an external force, so that the gear shaft 203 starts to move axially, and the gear 202 is driven to slide on the rack 201.
In actual production, a step can be arranged on the gear shaft 203 to complete the positioning of the inner snap spring sleeve 206. The wheel 204 may be a handwheel.
In use, the outer circlip 207 may be positioned by providing a nut 203A at the end of the gear shaft 203.
Emergent unlocking mechanism 3 includes: a first connecting shaft 301, a second connecting shaft 302, a first connecting piece 303, a second connecting piece 304 and a third connecting shaft 305; one end of the first connecting shaft 301 is connected with the lifting mechanism 2; the second connecting shaft 302 is connected with the latch mechanism 1; one end of the first connecting piece 303 is connected with the other end of the first connecting shaft 301; the second connecting piece 304 is fixed on the lifting mechanism 2; a third connecting shaft 305 is arranged between the first connecting piece 303 and the second connecting piece 304, and is used for enabling the first connecting piece 303 to rotate along the axis of the third connecting shaft 305 when the lifting mechanism 2 moves axially; the other end of the first connecting piece 303 is connected with the second connecting shaft 302, and is used for driving the second sliding block 104 to move in the second sliding groove 103 when the first connecting piece 303 rotates, so that the latch body 103 is directly pulled out from the fixing portion 106; as can be seen from fig. 1, the external dimension of the latch body 103 is definitely smaller than the slot of the fixing portion 106, so that the force used for directly pulling the latch body 103 out of the fixing portion 106 is small, i.e. the unlocking is quick; the gear shaft 203 is reset by the reset of the spring 205.
Specific example I: the first connecting piece 303 is L-shaped; an end of one side of the first connecting piece 303 is connected with the first connecting shaft 301 through a long hole 303A; the other side of the first connecting plate 303 is connected with the second connecting shaft 302 through a through hole; the junction of two sides of the first connecting piece 303 is connected with the third connecting shaft 305; when the gear shaft 203 axially moves, the first connecting piece 303 rotates along the third connecting shaft 305, and on the premise that the third connecting shaft 305 is fixed, the second slider 104 is pulled to drive the second slider 104 to move in the second sliding groove 103, so that the latch body 103 is directly pulled out from the fixing portion 106.
Preferably, in order to prevent interference, the first connecting piece 303 is arranged in parallel with the second connecting piece 304; the second connecting shaft 302 is connected with the latch mechanism 1 through a bracket 303B; a long hole 303C is formed at the joint of the bracket 303B and the second connecting shaft 302.
The emergency lock assembly is arranged on the shielding door of the shielding room, so that the door can be opened quickly when an emergency situation occurs, and the safety of personnel is guaranteed.
It is to be understood that: the directional descriptions described herein are subject to fig. 2.
It is to be understood that: the techniques not detailed herein are prior art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. An emergency lock assembly, comprising:
a latch mechanism;
the lifting mechanism is connected with the latch mechanism and used for lifting the latch mechanism to lock;
and the emergency unlocking mechanism is connected with the lifting mechanism and is used for changing the latch mechanism from a locking state to an unlocking state through the axial movement of the lifting mechanism in an emergency state.
2. An emergency lock assembly according to claim 1, wherein the latch mechanism includes:
a first chute;
the first sliding block is arranged in the first sliding groove and used for lifting in the first sliding groove;
the second sliding chute is arranged on the first sliding block;
the second sliding block is arranged in the second sliding groove;
the lock latch body is arranged at the end part of one end of the second sliding block;
the fixing part is matched with the lock latch body and used for entering a locking state;
the other end of the second sliding block is connected with the emergency unlocking mechanism and used for pulling the latch body out of the fixing part through the axial movement of the lifting mechanism in an emergency state.
3. An emergency lock assembly according to claim 1, wherein the lifting mechanism comprises:
a rack;
a gear engaged with the rack;
a gear shaft, wherein the gear is arranged at the end part of the gear shaft and is used for driving the gear to move on the rack so as to lock the latch mechanism;
the end part of the gear shaft is connected with the emergency unlocking mechanism and is used for changing the latch mechanism from the locking state to the unlocking state through the axial movement of the gear shaft in the emergency state.
4. An emergency lock assembly according to claim 3, wherein: the lifting mechanism further comprises:
the rotating wheel is arranged on the gear shaft and used for driving the gear shaft to rotate;
the spring is arranged on the outer side of one end of the gear shaft close to the rotating wheel;
the inner clamp spring sleeve is arranged on the outer side of the spring;
the outer clamp spring sleeve is coaxially arranged with the inner clamp spring sleeve;
the inner clamp spring sleeve is fixed with the gear shaft and used for displacing the outer clamp spring sleeve to the outer side of the inner clamp spring sleeve when the spring contracts.
5. The emergency lock assembly of claim 1, wherein the emergency unlocking mechanism comprises:
one end of the first connecting shaft is connected with the lifting mechanism;
the second connecting shaft is connected with the latch mechanism;
one end of the first connecting sheet is connected with the other end of the first connecting shaft;
the second connecting sheet is fixed on the lifting mechanism;
the third connecting shaft is arranged between the first connecting sheet and the second connecting sheet and used for enabling the first connecting sheet to rotate along the axis of the third connecting shaft when the lifting mechanism moves axially;
the other end of the first connecting piece is connected with the second connecting shaft and used for driving the latch mechanism to change from a locking state to an unlocking state when the first connecting piece rotates.
6. An emergency lock assembly according to claim 5, wherein:
the first connecting piece is L-shaped;
the end part of one side of the first connecting sheet is connected with the first connecting shaft through a long hole;
the other side of the first connecting plate is connected with the second connecting shaft through a through hole;
and the junction of the two sides of the first connecting sheet is connected with the third connecting shaft.
7. An emergency lock assembly according to claim 5, wherein:
the first connecting sheet and the second connecting sheet are arranged in parallel.
8. An emergency lock assembly according to claim 5, wherein:
the second connecting shaft is connected with the latch mechanism through a bracket;
and a long hole is formed at the joint of the bracket and the second connecting shaft.
9. A screen door, comprising: an emergency lock assembly according to claim 1.
CN202023179358.5U 2020-12-25 2020-12-25 Emergency lock assembly and shielding door Active CN214996734U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023179358.5U CN214996734U (en) 2020-12-25 2020-12-25 Emergency lock assembly and shielding door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023179358.5U CN214996734U (en) 2020-12-25 2020-12-25 Emergency lock assembly and shielding door

Publications (1)

Publication Number Publication Date
CN214996734U true CN214996734U (en) 2021-12-03

Family

ID=79084564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023179358.5U Active CN214996734U (en) 2020-12-25 2020-12-25 Emergency lock assembly and shielding door

Country Status (1)

Country Link
CN (1) CN214996734U (en)

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