CN223190236U - Emergency escape fireproof lock with height difference between inside and outside - Google Patents

Abstract

The present application relates to an emergency escape fire lock with an inside-outside height difference, and relates to the technical field of door locks. The emergency escape fire lock with an inside-outside height difference comprises a mounting frame, a locking mechanism, an outer door handle, and an inner door switch. The locking mechanism comprises a lock frame, which further comprises a drive frame and a drive assembly. The drive frame is rotatably connected to the mounting frame, and the drive frame drives the lock frame to slide via the drive assembly. The outer door handle is located above the drive frame and is provided with a lifting frame. The bottom end of the lifting frame extends downward and is connected to the drive frame. The outer door handle controls the movement of the lifting frame to drive the drive frame to rotate. The present application has the effect of reducing the probability of children opening the door lock from outside.

Description

Emergency escape fireproof lock with height difference between inside and outside

Technical Field

The application relates to the technical field of door locks, in particular to an emergency escape fireproof lock with high and low fall inside and outside.

Background

Along with the continuous development of social economy and the increasing of the scientific and technical level, the safety consciousness of people is continuously improved, and the door lock is used as a mechanism for locking the door body with the door frame or the wall, so that the door body can be effectively prevented from being opened by an endless molecule, and the door lock plays an important role in daily life of people.

There is a double-door lock in the prior art, and it includes the mounting bracket, and the mounting bracket is used for installing on the door, still is provided with locking mechanism on the mounting bracket, and locking mechanism includes lock frame, rotating turret, drive assembly, interior door handle and outer door handle. The lock frame is connected with the mounting bracket in a rotating way and is used for being inserted into the door frame, and the rotating frame is connected with the mounting bracket in a rotating way and drives the lock frame to rotate through the driving component. The inner door handle and the outer door handle are respectively arranged in the door and outside the door and are at the same height, and the inner door handle and the outer door handle are connected with the rotating frame and used for driving the rotating frame to rotate. When the door is used, a user rotates the inner door handle or the outer door handle, so that the rotating frame rotates, and the rotating frame drives the lock frame to rotate through the driving assembly, so that the door body and the door frame are unlocked.

For the above related art, because the positions of the handles in the door are generally set to be lower in consideration of the needs of users of different ages and different heights, so that the users of different heights can rotate the handles in the door to open the door body, however, in the prior art, the handles in the door and the handles outside the door are directly connected with the rotating frame, so that the handles in the door and the handles outside the door are at the same height, and the door body is easy to be opened by the handles outside the door, thereby disturbing personnel in the door in states of meeting, working, resting and the like.

Disclosure of utility model

The application provides an emergency escape fireproof lock with high and low fall inside and outside in order to reduce the probability of unlocking a door lock outside a door by a child.

The application provides an emergency escape fireproof lock with high and low fall inside and outside, which adopts the following technical scheme:

The utility model provides an inside and outside height fall emergency escape fireproof lock, includes mounting bracket, locking mechanism, outer door handle and interior door switch, locking mechanism includes the lock frame, locking mechanism still includes drive frame and drive assembly, the drive frame rotates with the mounting bracket and is connected, the drive frame passes through drive assembly drives the lock frame and slides, outer door handle is located the top of drive frame to be provided with the lifting frame, lifting frame's bottom downwardly extending, and with the drive frame is connected, outer door handle removes through control lifting frame, drives the drive frame rotates.

By adopting the technical proposal, compared with the prior art, the application adopts the mode that the outer door handle and the inner door handle are directly connected with the rotating frame, so that the outer door handle and the inner door handle are positioned at the same height, the application can be arranged above the driving frame by arranging the driving frame, the outer door handle and the lifting frame, and the outer door handle can be displaced by driving the lifting frame, thereby drive the drive frame and rotate, and then need not to set up outer door handle and interior door switch same height, just can make outer door handle drive the drive frame and rotate to effectively increased the setting height of outer door handle, effectively reduced the probability that the child contacted outer door handle outside the door, thereby reduced the child and passed through outer door handle, with the probability that the lock was opened.

Preferably, the locking frame comprises an upper locking frame and a lower locking frame, the upper locking frame and the lower locking frame are both in sliding connection with the mounting frame, the top end of the upper locking frame extends upwards and is used for being inserted into a door frame or a wall body, the bottom end of the lower locking frame extends downwards and is used for being inserted into the door frame or the wall body, and the driving assembly is used for driving the upper locking frame and the lower locking frame to reversely slide together.

By adopting the technical scheme, the upper locking frame and the lower locking frame can be inserted into the door frame or the wall body under the drive of the driving assembly, so that the upper side and the lower side of the door body are locked, the locking effect of the door lock to the door body is effectively improved, the using effect of the door lock is improved, and meanwhile, the driving frame can drive the upper locking frame and the lower locking frame to reversely slide together through the driving assembly, and the unlocking and driving of the upper unlocking frame and the lower unlocking frame by a user are effectively facilitated.

Preferably, the side wall of the upper locking frame is provided with a retaining groove, the top of the upper locking frame is further provided with a fixing mechanism, the fixing mechanism comprises an additional frame and a retaining component, the additional frame is used for being installed on the door body, the retaining component comprises a retaining frame and a resetting component, one end of the retaining frame is rotationally connected with the additional frame, the retaining frame is provided with a retaining portion, the retaining portion is used for being inserted into the retaining groove, and the resetting component is used for resetting the retaining frame.

Through adopting above-mentioned technical scheme, to the setting of retainer subassembly for when last locking frame breaks away from door frame or wall body completely, the retainer can be under the elasticity effect of restoring piece, and the last locking frame of locating is continuous, thereby carry out the locking, make last locking frame keep current unblock position, simultaneously make the drive frame keep current position, and then make last locking frame and lower locking frame homoenergetic keep the unblock state, thereby make the user only need unblock the door lock of the application once, just can make last locking frame and lower locking frame homoenergetic keep the unblock state, the user has effectively made things convenient for opening the door body.

Preferably, the side wall of the upper locking frame is provided with a reinforcing groove, the fixing mechanism further comprises a reinforcing component, the reinforcing component comprises a reinforcing frame and a reset elastic sheet, one end of the reset elastic sheet is connected with the additionally arranged frame, the other end of the reset elastic sheet is connected with one end of the reinforcing frame, and the other end of the reinforcing frame is inserted into the reinforcing groove.

Through adopting above-mentioned technical scheme, to the setting of reinforcement subassembly for the reinforcement frame can insert and locate the reinforcement inslot, thereby plays the hindrance effect to the displacement of last locking frame, has effectively reduced when last locking frame inserts in door frame or wall body, goes up the probability that the locking frame takes place the displacement downwards under self action of gravity, and then has guaranteed the locking effect of going up the locking frame.

Preferably, the driving assembly comprises an upper connecting frame and a lower connecting frame, one end of the upper connecting frame is rotationally connected with one end of the driving frame, the other end of the upper connecting frame is rotationally connected with the bottom end of the upper locking frame, one end of the lower connecting frame is rotationally connected with the other end of the driving frame, the other end of the lower connecting frame is rotationally connected with the top end of the lower locking frame, and the middle part of the driving frame is rotationally connected with the mounting frame.

Through adopting above-mentioned technical scheme, to drive assembly's concrete setting for when the drive frame rotates, the both ends of drive frame can drive respectively simultaneously and go up link and the one end of link down takes place opposite displacement, thereby make go up link and link down, can drive corresponding last locking frame and lower locking frame and take place to slide, and make the displacement opposite direction of going up locking frame and lower locking frame, thereby realize the drive that slides last locking frame and lower locking frame, thereby realize the linkage between last locking frame and the lower locking frame, need not the user and drive last locking frame and lower locking frame separately, the operation of user has effectively been made things convenient for.

Preferably, the inner door switch comprises a fixed frame, a pushing frame, a switch piece and a switch frame, wherein the fixed frame is used for being installed on the inner side of a door body, the pushing frame is in sliding connection with the fixed frame, one end of the pushing frame extends out of the fixed frame, the switch frame is in rotary connection with the fixed frame, one end of the switch frame is propped against one end of the driving frame, the pushing frame drives the switch frame to rotate through the switch piece, and pushes the driving frame to rotate through butt joint.

By adopting the technical scheme, a user can slide the inner door switch by pushing the pushing frame, so that the pushing frame drives the switch frame to rotate through the switch piece, and the switch frame continuously abuts against one end of the driving frame, so that the driving frame is pushed to rotate, the driving frame is driven in the door, the unlocking mode of sliding the pushing frame is arranged in the door, the unlocking requirement of various people can be met to a great extent, people of all ages and both ill and disabled can unlock the door lock by pushing the pushing frame, the unlocking of the user is effectively facilitated, the unlocking speed of the door lock is increased, and the unlocking speed of the user in emergency is effectively improved.

Preferably, the switch member includes a middle frame, the middle frame is located between the fixed frame and the pushing frame and rotates with the fixed frame, one end of the middle frame abuts against the pushing frame, and the other end of the middle frame extends to one side, close to the driving frame, of the switch frame and abuts against one end, far away from the driving frame, of the switch frame.

Through adopting above-mentioned technical scheme, the setting of middle frame for the user promotes the pushing frame and takes place the slip back, promotes the frame and can offset with the one end of middle frame, thereby promotes that middle frame takes place to slide, and makes the other end of middle frame offset with the switch frame, thereby promotes the one end of switch frame and takes place the displacement, makes the whole rotation that takes place of switch frame, realizes the drive to the switch frame, has effectively guaranteed to promote the smooth drive of frame to the switch frame.

Preferably, the fixing frame is further provided with a reset component, the reset component comprises a reset frame and a reset torsion spring, the reset frame is located between the fixing frame and the pushing frame and is rotationally connected with the fixing frame, one end of the reset frame abuts against the pushing frame, and the reset torsion spring is used for resetting the reset frame.

Through adopting above-mentioned technical scheme, to reset the setting of subassembly for reset frame can last to offset with the lateral wall of pushing the frame under reset torsion spring's elasticity effect, thereby make the pushing the frame and can return to initial position under reset frame's butt, for the next use of user, effectively made things convenient for the user to push the operation of frame, made things convenient for the user to the unblock of this application lock.

Preferably, the lifting frame comprises a driving frame, a middle rope and a hook frame, one end of the driving frame is arranged on the outer door handle, the other end of the driving frame extends to the lower side of the rotation axis of the outer door handle, one end of the middle rope is connected with the bottom end of the driving frame, the other end of the middle rope extends downwards and is connected with the hook frame, and the hook frame is sleeved on one end of the driving frame, which is close to the outer door handle.

By adopting the technical scheme, a user holds the outer door handle outside the door and the outer door handle rotates, the outer door handle can drive the driving frame to rotate together, so that the height of one end of the driving frame connected with the middle rope is changed, the driving frame drives the top end of the middle rope to move upwards, the middle rope pulls the hook frame to displace upwards, the hook frame drives one end of the driving frame to displace, further the driving of the driving frame is realized, the driving of the driving frame is effectively facilitated, meanwhile, the vertical distance between the outer door handle and the driving frame can be effectively increased, and related personnel can change the height of the outer door handle by changing the length of the middle rope, so that the probability that a child opens the door lock through the outer door handle accidentally is effectively reduced.

Preferably, the driving frame is further provided with an elastic member, and the elastic member is used for resetting the driving frame through self elasticity.

Through adopting above-mentioned technical scheme, setting to the elastic component for the elastic component can drive the drive frame through self elasticity and reset, thereby after the user loosens outer door handle or promotes the frame, the drive frame can automatic reply to initial position, and then makes last locking frame and lower locking frame reply to initial position, has effectively made things convenient for user's use next time.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The driving frame, the outer door handle and the lifting frame are arranged, so that the outer door handle can be arranged above the driving frame, and the outer door handle can be driven to move through the lifting frame, so that the driving frame is driven to rotate, the outer door handle does not need to be arranged at the same height as an inner door switch, and the outer door handle can drive the driving frame to rotate, so that the arrangement height of the outer door handle is effectively increased, the probability that a child contacts the outer door handle outside the door is effectively reduced, and the probability that the child passes through the outer door handle to open the door lock is reduced;

2. The lock frame and the driving component are specifically arranged, so that two ends of the driving frame can simultaneously drive one ends of the upper connecting frame and the lower connecting frame to generate opposite displacement, and linkage between the upper lock frame and the lower lock frame is realized, so that the upper lock frame and the lower lock frame can be inserted into a door frame or a wall body under the drive of the driving component, and the upper side and the lower side of the door body are locked, thereby effectively improving the locking effect of the door lock to the door body, and simultaneously facilitating unlocking and driving of the upper unlock frame and the lower unlock frame by a user;

3. The outer door handle can drive the top end of the middle rope to move upwards through the driving frame when the outer door handle rotates, so that the middle rope pulls the hook frame to move upwards, the hook frame drives one end of the driving frame to move, the driving frame is driven to rotate, meanwhile, related personnel can change the height of the outer door handle by changing the length of the middle rope, and the probability that a child accidentally opens the door lock through the outer door handle is effectively reduced.

Drawings

FIG. 1 is a schematic diagram of an overall emergency escape fireproof lock for embodying an inside-outside height drop in an embodiment of the application.

Fig. 2 is a schematic view of a structure for embodying an outer door handle in an embodiment of the present application.

Fig. 3 is a schematic diagram of a structure for embodying a driving assembly in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a driving frame according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a switch member according to an embodiment of the present application.

Fig. 6 is a schematic view of a structure for embodying a retention assembly in an embodiment of the present application.

Fig. 7 is a schematic view of a structure for embodying the reinforcing component in the embodiment of the present application.

The reference numerals are 1, a mounting frame, 2, a locking mechanism, 21, a locking frame, 211, an upper locking frame, 2111, a retention groove, 2112, a reinforcing groove, 212, a lower locking frame, 22, a driving frame, 23, a driving assembly, 231, an upper connecting frame, 232, a lower connecting frame, 24, an elastic piece, 3, an outer door handle, 31, a sleeving frame, 32, a protruding frame, 4, an inner door switch, 41, a fixing frame, 42, a pushing frame, 43, a switching piece, 431, a middle frame, 44, a switching frame, 5, a lifting frame, 51, a driving frame, 52, a middle rope, 53, a hook frame, 6, a resetting assembly, 61, a resetting frame, 62, a resetting torsion spring, 7, a fixing mechanism, 71, an additional frame, 72, a retention assembly, 721, a retention frame, 7211, a retaining part, 7212, an unlocking part, 722, a resetting piece, 73, a reinforcing assembly, 731, a reinforcing frame, 732, a spring sheet, 733, and a limiting frame.

Detailed Description

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses an emergency escape fireproof lock with high and low fall inside and outside. Referring to fig. 1, 2 and 3, the inside and outside height fall emergency escape fireproof lock comprises a mounting frame 1, a locking mechanism 2, an outer door handle 3 and an inner door switch 4, wherein the locking mechanism 2 comprises a lock frame 21, a driving frame 22 and a driving assembly 23. The mounting bracket 1 passes through bolt fixed mounting in the door, and the drive frame 22 rotates with the mounting bracket 1 to be connected, and the drive frame 22 drives the lock frame 21 through drive assembly 23 and slides, and outer door handle 3 is located the top of drive frame 22 to be provided with and carry and draw the frame 5, carry the bottom downwardly extending of drawing the frame 5, and be connected with drive frame 22, outer door handle 3 is through controlling and carry and draw the frame 5 to remove, drives drive frame 22 rotation.

Referring to fig. 3 and 4, the driving frame 22 is rotatably connected with the mounting frame 1 through a pin shaft along the middle part of the length direction thereof, and one end of the driving frame 22, which is close to the outer door handle 3, is downwardly inclined. The driving frame 22 is further provided with an elastic member 24, and in the embodiment of the application, the elastic member 24 is provided as a tension spring, one end of the tension spring is sleeved on one end of the driving frame 22 close to the outer door handle 3, and the other end of the tension spring is sleeved on the mounting frame 1, so that the driving frame 22 is reset by self elastic force.

Referring to fig. 3, the driving assembly 23 includes an upper link frame 231 and a lower link frame 232, and the latch frame 21 includes an upper latch frame 211 and a lower latch frame 212. In the embodiment of the present application, the upper connection frame 231 and the lower connection frame 232 are respectively provided with two, and are respectively located at two opposite sides of the driving frame 22.

Referring to fig. 3, the bottom end of each upper link frame 231 is rotatably connected to one end of the driving frame 22 remote from the outer door handle 3 through a pin, and the top end of each upper link frame 231 is rotatably connected to the bottom end of the upper locking frame 211 through a pin. The top end of each lower connecting frame 232 is rotatably connected with one end of the driving frame 22, which is close to the outer door handle 3, through a pin shaft, and the bottom end of each lower connecting frame 232 is rotatably connected with the top end of the lower locking frame 212 through a pin shaft.

Referring to fig. 2 and 3, the upper and lower locking frames 211 and 212 are slidably connected to the mounting frame 1, and the sliding directions of the upper and lower locking frames 211 and 212 are vertical. The top end of the upper locking frame 211 extends out of the door body upwards and is inserted into the door frame or the wall body, and the bottom end of the lower locking frame 212 extends out of the door body downwards and is inserted into the door frame or the wall body, so that the door body is locked.

Referring to fig. 3 and 4, in an initial state, the driving frame 22 is disposed at one end close to the outer door handle 3 in a downward inclined manner, and the elastic member 24 is in a stretched state, and the upper locking frame 211 and the lower locking frame 212 are inserted into the door frame or the wall body. When the driving frame 22 rotates and the driving frame 22 approaches to one end of the outer door handle 3 and rotates upwards, the driving frame 22 drives the upper connecting frame 231 and the lower connecting frame 232 to slide, so that the upper connecting frame 231 drives the upper locking frame 211 to slide downwards, and the lower connecting frame 232 drives the lower locking frame 212 to slide upwards, and the elastic member 24 is stretched in the process. Finally, the upper locking frame 211 and the lower locking frame 212 are separated from the door frame or the wall body, so that the door lock is in an unlocking state, and a user can open the door body provided with the door lock.

Referring to fig. 3 and 4, the frame portion of the outer door handle 3 is fixedly mounted to the outside of the door body by bolts. The outer door handle 3 is also provided with a sleeving frame 31, the sleeving frame 31 is positioned in the door body, and the sleeving frame 31 is fixedly sleeved on the handle part of the outer door handle 3, so that a user can drive the sleeving frame 31 to rotate by rotating the handle part. The top end of the sleeving frame 31 is also provided with a protruding frame 32, and the protruding frame 32 is fixedly arranged on the sleeving frame 31.

Referring to fig. 3 and 4, the pulling frame 5 includes a driving frame 51, a middle rope 52, and a hook frame 53, and one end of the driving frame 51 passes through the protruding frame 32 and is fixedly connected with the protruding frame 32. The other end of the driving frame 51 is bent to one side and extends below the rotation axis of the upper handle portion of the outer door handle 3.

Referring to fig. 4, the top end of the intermediate rope 52 is fixedly connected to the bottom end of the driving frame 51, and the bottom end of the intermediate rope 52 is extended downward and is fixedly connected to one end of the hook frame 53. The other end of the hook frame 53 extends upwards and surrounds one end of the driving frame 22, which is close to the outer door handle 3, so that the driving frame 22 is sleeved, and the hook frame 53 can drive the driving frame 22 to rotate. The arrangement of the middle rope 52 can enable related personnel to adjust the height of the outer door handle 3 when being installed by controlling the length of the middle rope 52, thereby being suitable for the needs of different occasions.

Referring to fig. 3 and 4, in an initial state, that is, when one end of the driving frame 22 near the outer door handle 3 is inclined downward, the protruding frame 32 is at the top of the sheathing frame 31, and the middle rope 52 is in a straightened state. When the user rotates the handle portion of the outer door handle 3, the handle portion of the outer door handle 3 drives the sleeving frame 31 to rotate together, so that the bottom end of the driving frame 51 is displaced, one end of the middle rope 52 is pulled to move upwards, the middle rope 52 is driven to rotate upwards through the hook frame 53, and one end of the driving frame 22, close to the outer door handle 3, is driven to drive the driving frame 22.

Referring to fig. 2 and 5, the inner door switch 4 includes a fixing frame 41, a push frame 42, a switch piece 43, and a switch frame 44, and the fixing frame 41 is fixedly mounted on a sidewall inside the door body by bolts. The fixed frame 41 is arranged far away from the opening at one end of the door body, one end of the pushing frame 42 extends into the opening of the fixed frame 41 and is in sliding connection with the fixed frame 41, and the sliding direction of the pushing frame 42 is the width direction (namely the opening direction) of the pushing frame 42, so that a user can push the pushing frame 42 conveniently, and after pushing, the pushing frame 42 is mostly positioned in the opening on the fixed frame 41.

Referring to fig. 5, the switching member 43 includes a middle frame 431, and the middle frame 431 is positioned in an opening of the fixing frame 41, and a middle position of the middle frame 431 is rotatably connected with the fixing frame 41 through a pin. One end of the intermediate frame 431 extends in a direction approaching the pushing frame 42 and abuts against the inner side wall of the pushing frame 42. The other end of the intermediate frame 431 extends in a direction approaching the switch frame 44 and extends to a side of the switch frame 44 approaching the drive frame 22.

Referring to fig. 3 and 5, the switch frame 44 is located at a side of the driving frame 22 remote from the outer door handle 3, the switch frame 44 is rotatably connected to the mounting frame 1, and a rotation axis of the switch frame 44 is parallel to a rotation axis of the driving frame 22. The bottom end of the switch frame 44 extends downward and abuts against the end of the intermediate frame 431. The top end of the switch frame 44 extends in a direction approaching the drive frame 22, and the bottom of the end abuts against the top of the end of the drive frame 22 away from the outer door handle 3. In the embodiment of the present application, the bottom of the switch frame 44 near one end of the driving frame 22 is further provided with a concave groove, so that the switch frame 44 fully abuts against the driving frame 22.

Referring to fig. 3 and 5, in an initial state, i.e., when the driving frame 22 is inclined upward away from the end of the outer door handle 3, the upper locking frame 211 and the lower locking frame 212 are inserted into the door frame or wall, and the pushing frame 42 is located at the end of the sliding path away from the door body. When the user pushes the pushing frame 42 to slide into the fixed frame 41, the inner side wall of the pushing frame 42 continuously abuts against the end of the middle frame 431, so that the middle frame 431 rotates, the other end of the middle frame 431 continuously pushes the bottom end of the switch frame 44 to rotate in a direction away from the driving frame 22 through abutting, and then the top end of the switch frame 44 pushes the driving frame 22 to rotate downwards away from one end of the outer door handle 3, so that driving of the driving frame 22 is achieved.

Referring to fig. 5, the opening of the fixing frame 41 is further provided with two reset assemblies 6, and in the embodiment of the present application, the number of the reset assemblies 6 is two, and the two reset assemblies 6 are distributed along the length direction of the fixing frame 41. Each reset assembly 6 comprises a reset frame 61 and a reset torsion spring 62, and each reset frame 61 is rotatably connected with the fixed frame 41 through a pin shaft.

Referring to fig. 5, one end of each reset frame 61 extends in a direction approaching the push frame 42 and abuts against the inner sidewall of the push frame 42. Each reset torsion spring 62 is sleeved on the corresponding reset frame 61, one end of each reset torsion spring abuts against the corresponding reset frame 61, and the other end of each reset torsion spring abuts against the inner wall of the fixed frame 41 to reset the reset frame 61, so that the reset of the pushing frame 42 is realized through resetting the reset frame 61.

Referring to fig. 6 and 7, a retention groove 2111 and a reinforcement groove 2112 are further formed on the top end of the upper locking frame 211, the retention groove 2111 is an annular groove, and guide surfaces are formed on the inner top wall and the inner bottom wall of the retention groove 2111. In the embodiment of the present application, the number of the reinforcing grooves 2112 is two, and the reinforcing grooves 2112 are respectively located at two opposite sides of the upper locking frame 211, and the inner top wall and the inner bottom wall of each reinforcing groove 2112 are respectively provided with a guiding surface.

Referring to fig. 2, 6 and 7, the upper locking frame 211 is further provided with a fixing mechanism 7, and the fixing mechanism 7 includes an additional frame 71, a retention assembly 72 and a reinforcement assembly 73, wherein the additional frame 71 is fixedly installed in the door body through bolts. The top end of the upper locking frame 211 passes through the extension frame 71 upwards and is connected with the extension frame 71 in a sliding manner, and the sliding direction of the upper locking frame 211 relative to the extension frame 71 is vertical.

Referring to fig. 6, the retention component 72 includes a retention frame 721 and a reset element 722, the retention frame 721 is located in the extension frame 71, and the bottom end of the retention frame 721 is rotatably connected to the extension frame 71 through a pin, and the top end of the upper locking frame 211 passes through the retention frame 721. The retention frame 721 further includes a retention portion 7211 extending therefrom, wherein the retention portion 7211 extends obliquely upward toward the upper locking frame 211, abuts against a side wall of the upper locking frame 211, and is located below the retention groove 2111.

Referring to fig. 2 and 6, an unlocking portion 7212 is extended from a side of the top end of the retainer 721 away from the outer door handle 3, and the unlocking portion 7212 is extended outwardly to the outside of the door body in a direction away from the outer door handle 3. In the embodiment of the present application, the restoring member 722 is configured as a torsion spring, which is sleeved on the retainer 721, and the middle portion of the torsion spring abuts against the retainer 721, and the two ends of the torsion spring abut against the additional frame 71, so as to restore the retainer 721.

Referring to fig. 6, in an initial state, that is, when the upper locking frame 211 is inserted into the door frame or the wall body, the retention frame 721 is positioned under the retention groove 2111, and the restoring member 722 is in a torsion deformed state. When the upper locking frame 211 slides down and is completely separated from the door frame or the wall body, the retention groove 2111 corresponds to the retention portion 7211 on the retention frame 721, and the retention frame 721 rotates under the elastic force of the reset piece 722, so that the retention portion 7211 is inserted into the retention groove 2111 and abuts against the inner bottom wall of the retention groove 2111, thereby preventing the upper locking frame 211 from sliding up, so that the upper locking frame 211 maintains an unlocked state, and further, the driving frame 22 and the lower locking frame 212 also maintain an unlocked state.

Referring to fig. 6, when the upper locking frame 211 needs to be restored to the initial state, the unlocking portion 7212 is pushed to rotate the retention frame 721, so that the retention portion 7211 is separated from the retention groove 2111, and the unlocking of the upper locking frame 211 is released, and at this time, the upper locking frame 211 is restored to the initial position under the driving of the driving frame 22.

Referring to fig. 7, in the embodiment of the present application, the number of reinforcing members 73 is set to two and corresponds to the reinforcing grooves 2112 one by one. Each reinforcing component 73 comprises a reinforcing frame 731, a reset elastic piece 732 and a limiting frame 733, wherein the bottom end of each reset elastic piece 732 is attached to the bottom end of the corresponding limiting frame 733, and is fixedly connected with the extension frame 71 through the same bolt, the top ends of each reset elastic piece 732 and the limiting frame 733 are upwards extended, and the top ends of the limiting frames 733 are higher than the top ends of the reset elastic pieces 732 so as to limit the reset elastic pieces 732.

Referring to fig. 7, the top end of each reset spring 732 is sleeved on one end of the corresponding reinforcing frame 731, and the other end of each reinforcing frame 731 extends in a direction close to the corresponding reinforcing groove 2112, and passes through the extension frame 71, and is slidably connected with the extension frame 71, and extends into the corresponding reinforcing groove 2112, so as to block downward displacement of the upper locking frame 211.

The embodiment of the application provides an emergency escape fireproof lock with high and low fall between the inside and outside, which is implemented by rotating the handle part of an outer door handle 3 when a door body needs to be opened outside the door body, and at the moment, the handle part of the outer door handle 3 drives a sleeved frame 31 to rotate together, so that the bottom end of a driving frame 51 is displaced, one end of a middle rope 52 is pulled to move upwards, and the middle rope 52 drives one end of a driving frame 22, which is close to the outer door handle 3, to rotate upwards through a hook frame 53, thereby realizing the driving of the driving frame 22. At this time, the driving frame 22 drives the upper locking frame 211 and the lower locking frame 212 to slide in opposite directions through the upper connecting frame 231 and the lower connecting frame 232, so that the upper locking frame 211 and the lower locking frame 212 are separated from the door frame or the wall body, and the door body provided with the door lock is unlocked.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (10)

1. The utility model provides an inside and outside height fall emergency escape fireproof lock, includes mounting bracket (1), locking mechanism (2), outer door handle (3) and interior door switch (4), locking mechanism (2) are including lock frame (21), wherein locking mechanism (2) still include drive frame (22) and drive assembly (23), drive frame (22) are connected with mounting bracket (1) rotation, drive frame (22) pass through drive assembly (23) drive lock frame (21) slide, outer door handle (3) are located the top of drive frame (22) to be provided with and carry and draw frame (5), carry the bottom downwardly extending of draw frame (5) and with drive frame (22) are connected, outer door handle (3) are through control carrying and draw frame (5) removal, drive frame (22) rotation.

2. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that the lock frame (21) comprises an upper lock frame (211) and a lower lock frame (212), the upper lock frame (211) and the lower lock frame (212) are connected with the installation frame (1) in a sliding mode, the top end of the upper lock frame (211) extends upwards and is inserted into a door frame or a wall body, the bottom end of the lower lock frame (212) extends downwards and is inserted into the door frame or the wall body, and the driving assembly (23) is used for driving the upper lock frame (211) to reversely slide together with the lower lock frame (212).

3. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that a retaining groove (2111) is formed in the side wall of the upper locking frame (211), a fixing mechanism (7) is further arranged on the top of the upper locking frame (211), the fixing mechanism (7) comprises an additional frame (71) and a retaining component (72), the additional frame (71) is used for being installed on a door body, the retaining component (72) comprises a retaining frame (721) and a resetting piece (722), one end of the retaining frame (721) is rotatably connected with the additional frame (71), a retaining portion (7211) is arranged on the retaining frame (721), the retaining portion (7211) is used for being inserted into the retaining groove (2111), and the resetting piece (722) is used for resetting the retaining frame (721).

4. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that a reinforcing groove (2112) is formed in the side wall of the upper locking frame (211), the fixing mechanism (7) further comprises a reinforcing component (73), the reinforcing component (73) comprises a reinforcing frame (731) and a reset elastic sheet (732), one end of the reset elastic sheet (732) is connected with the additionally-arranged frame (71), the other end of the reset elastic sheet is connected with one end of the reinforcing frame (731), and the other end of the reinforcing frame (731) is inserted into the reinforcing groove (2112).

5. The emergency escape fireproof lock with the height difference between the inside and the outside is as claimed in claim 2, wherein the driving assembly (23) comprises an upper connecting frame (231) and a lower connecting frame (232), one end of the upper connecting frame (231) is rotatably connected with one end of the driving frame (22), the other end of the upper connecting frame is rotatably connected with the bottom end of the upper locking frame (211), one end of the lower connecting frame (232) is rotatably connected with the other end of the driving frame (22), the other end of the lower connecting frame is rotatably connected with the top end of the lower locking frame (212), and the middle part of the driving frame (22) is rotatably connected with the mounting frame (1).

6. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that the inner door switch (4) comprises a fixed frame (41), a pushing frame (42), a switch piece (43) and a switch frame (44), the fixed frame (41) is used for being installed on the inner side of a door body, the pushing frame (42) is in sliding connection with the fixed frame (41), one end of the pushing frame (42) extends out of the fixed frame (41), the switch frame (44) is in rotary connection with the mounting frame (1), one end of the switch frame (44) abuts against one end of the driving frame (22), and the pushing frame (42) drives the switch frame (44) to rotate through the switch piece (43) and pushes the driving frame (22) to rotate through abutting.

7. The emergency escape fireproof lock with high and low drop height as claimed in claim 6, wherein the switch piece (43) comprises a middle frame (431), the middle frame (431) is located between the fixed frame (41) and the pushing frame (42) and rotates with the fixed frame (41), one end of the middle frame (431) abuts against the pushing frame (42), and the other end of the middle frame (431) extends to one side, close to the driving frame (22), of the switch frame (44) and abuts against one end, far away from the driving frame (22), of the switch frame (44).

8. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that a reset component (6) is further arranged on the fixed frame (41), the reset component (6) comprises a reset frame (61) and a reset torsion spring (62), the reset frame (61) is located between the fixed frame (41) and the pushing frame (42) and is rotationally connected with the fixed frame (41), one end of the reset frame (61) abuts against the pushing frame (42), and the reset torsion spring (62) is used for resetting the reset frame (61).

9. The emergency escape fireproof lock with the height difference between the inside and the outside is characterized in that the lifting frame (5) comprises a driving frame (51), a middle rope (52) and a hook frame (53), one end of the driving frame (51) is installed on the outer door handle (3), the other end of the driving frame (51) extends to the lower portion of the rotation axis of the outer door handle (3), one end of the middle rope (52) is connected with the bottom end of the driving frame (51), the other end of the middle rope (52) extends downwards and is connected with the hook frame (53), and the hook frame (53) is sleeved on one end, close to the outer door handle (3), of the driving frame (22).

10. The emergency escape fireproof lock with the height difference between the inside and the outside as claimed in claim 1, wherein the driving frame (22) is further provided with an elastic piece (24), and the elastic piece (24) is used for resetting the driving frame (22) through self elasticity.