CN110593731B - Two-leaf folio fireproof door capable of being closed sequentially - Google Patents
Two-leaf folio fireproof door capable of being closed sequentially Download PDFInfo
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- CN110593731B CN110593731B CN201910946174.XA CN201910946174A CN110593731B CN 110593731 B CN110593731 B CN 110593731B CN 201910946174 A CN201910946174 A CN 201910946174A CN 110593731 B CN110593731 B CN 110593731B
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- Prior art keywords
- door
- sliding
- rod
- installation box
- along
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/12—Braking devices, e.g. checks; Stops; Buffers specially for preventing the closing of a wing before another wing has been closed
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/325—Wings opening towards the outside
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged doors or windows
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Abstract
The invention provides a sequentially closed double-leaf oppositely-opened fireproof door, wherein the top of a door frame is provided with an installation box, the installation box is internally provided with a sliding mechanism, a stop block, a constraint mechanism, a limiting mechanism and a trigger device, the sliding mechanism comprises a left sliding mechanism and a right sliding mechanism which are symmetrically arranged left and right, a door leaf overcomes the assistance opening rotation of a door closer, can synchronously drive the movable parts in the sliding mechanism to slide away from each other, the closing rotation of the door leaf can synchronously drive the movable parts in the sliding mechanism to slide and reset close to each other, the stop block can limit the sliding and resetting of the movable parts in the right sliding mechanism and remove the limitation after the movable parts in the left sliding mechanism are completely reset, the significance of the scheme is that the left door can be automatically closed first, the right door can be closed again under the assistance action of the door closer, so that a blank holder on the right door can be tightly pressed on the step of the left door, the sealing performance of the left door and the right door when the left door and the right door are closed is ensured.
Description
Technical Field
The invention relates to a fireproof door, in particular to a sequentially closed double-leaf folio fireproof door.
Background
The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, and is a fireproof partition which is arranged in a fireproof partition, an evacuation staircase, a vertical shaft and the like and has certain fire resistance, the fireproof door has the functions of a common door, has the functions of preventing fire spreading and smoke diffusion, can prevent fire spreading within a certain time and ensures personnel evacuation, and the retrieval and discovery of an applicant show that at present, the existing split fireproof door mainly comprises a door frame, a left door leaf, a right door leaf and a door closer, in order to ensure that the left door and the right door can keep tightness, one end face of the existing left door close to the right door is provided with a step, one end face of the existing right door close to the left door is provided with a blank holder which is pressed with the step, and the arrangement has the advantages that the left door and the right door can be tightly combined when closed, no gap exists, the invention can improve the fireproof and smoke-proof performance of the fireproof door, but has the defect that when the fireproof door is opened and then closed, the left door is firstly closed and the right door is then closed to enable the edge pressing to be pressed on the step, otherwise, the edge pressing can not lead to the situation that the left door can not be closed, so that the fireproof door can lose the fireproof and smoke-proof effects.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the sequentially closed double-leaf folio fireproof door which is ingenious in structure, simple in principle and capable of automatically closing the left door first and then closing the right door.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A sequentially closed double-leaf oppositely-opened fireproof door comprises a fireproof door body, wherein the fireproof door body comprises a door frame, door leaves, hinges and a door closer, the door leaves are hinged and connected with the door frame through the hinges, the hinge shafts are axially and vertically arranged, the hinges are arranged in an array manner along the vertical direction, the door leaves comprise a left door with steps and a right door with a blank holder, a handle is arranged at the middle position of the outer side of each door leaf along the vertical direction and deviates from the hinge, the door closer is provided with two hinges and is respectively matched with the left door and the right door, an installation box is arranged at the top of the door frame, a sliding mechanism, a stop block, a constraint mechanism, a limiting mechanism and a trigger device are arranged in the installation box, the sliding mechanism comprises a left sliding mechanism and a right sliding mechanism which are symmetrically arranged, the door leaves can synchronously drive movable parts in the sliding mechanism to move away from each other to slide by overcoming the assisting, the closing rotation of the door leaf can synchronously drive the movable parts in the sliding mechanism to approach each other and slide and reset, and the stop block can limit the sliding and resetting of the movable part in the right sliding mechanism and release the limitation after the movable part in the left sliding mechanism is completely reset;
the installation box is set to be rectangular and extends from one side of a door frame to the other side, the length direction of the installation box is parallel to the direction of one side of the door frame pointing to the other side, the width direction of the installation box is parallel to the thickness direction of the door frame, the left sliding mechanism is arranged in the installation box and is positioned at the left end of the length direction of the installation box, the right sliding mechanism is arranged in the installation box and is positioned at the right end of the length direction of the installation box, the sliding mechanism comprises horizontal guide rods which are fixedly arranged in the installation box and are axially arranged in parallel to the length direction of the installation box, the horizontal guide rods are supported by a bracket fixedly arranged in the installation box, the horizontal guide rods are provided with two racks which are vertically and symmetrically arranged, a rack is movably arranged between the horizontal guide rods, the rack and the horizontal guide rods form sliding guide fit along the length direction of the installation box, the sliding mechanism further, a half gear meshed with the rack is coaxially and fixedly sleeved on the first rotating shaft, wherein the rack is a movable part of the sliding mechanism;
the door closer is characterized in that a linkage rod is fixedly arranged on an outer shell of the door closer, the linkage rod vertically extends upwards and movably penetrates through an eccentric position of the lower end face of the installation box and a half gear, the linkage rod can synchronously rotate along with the door closer along the axis direction of a first rotating shaft, a lug and a lug are fixedly arranged on the lower end face of a rack in the right sliding mechanism and used for receiving the limitation of a stop block, the stop block is abutted to the lug along the width direction of the installation box in an initial state, and a protruding rod are fixedly arranged on the lower end face of the rack in the left sliding mechanism and used for triggering a triggering device.
As a further optimization or improvement of the present solution.
The mounting box is internally provided with a first guide rod axially arranged in parallel with the width direction of the mounting box, the first guide rod is positioned below a rack in a right sliding mechanism, the first guide rod is provided with a bracket for supporting the first guide rod along the axial end position of the first guide rod and fixedly connected with the inner wall of the mounting box, the first guide rod is arranged in parallel at intervals, two first sliding plates which are slidably sleeved outside the first guide rod are arranged between the two first guide rods, the first sliding plates can slide along the first guide rod in the width direction of the mounting box, one end surface of the first sliding plates, which is close to a lug, is fixedly provided with a mandril, the axial direction of the mandril is parallel with the width direction of the mounting box, a stop block is fixedly arranged at the extending end of the mandril, a compression spring is sleeved on the sliding sleeve of the first guide rods, one end of the compression spring is abutted, in the initial state, the spring is pressed tightly to push the stop block to be abutted against the bump;
the two side surfaces of the stop block along the length direction of the mounting box are arranged into inclined surfaces, and the distance between the two inclined surfaces is reduced along the elastic direction of the compression spring.
As a further optimization or improvement of the present solution.
The restraint mechanism comprises two guide rods II which are fixedly arranged on the inner wall of the installation box and are vertically arranged in the axial direction, the two guide rods are arranged, one guide rod is positioned between the two guide rods, the end part of each guide rod II in the axial direction is provided with a support for supporting the guide rod II, the support is fixedly connected with the inner wall of the installation box, the two guide rods are sleeved with sliding plates II capable of sliding up and down, two sliding plates are positioned above the first sliding plates, the middle parts of the two sliding plates II in the two guide rod spacing direction are provided with restraint blocks which are vertically and downwardly extended and arranged, the outer parts of the two guide rods are movably sleeved with a pressing spring, one end of the pressing spring is abutted against the support, the other end of the first limiting block is abutted against the second sliding plate, the second sliding plate is pushed by the elastic force of the downward pressing spring to vertically slide downwards along the second guide rod, the first limiting block is located right above the ejector rod in the initial state, and the downward pressing spring enables the first limiting block to abut against the ejector rod from top to bottom.
As a further optimization or improvement of the present solution.
The limiting mechanism comprises a third guiding rod axially parallel to the width direction of the installation box, the third guiding rod is provided with a support for supporting the third guiding rod along the axial end position of the third guiding rod, the support is fixedly connected with the inner wall of the installation box, the three guiding rods are arranged in parallel and are arranged at intervals, a limiting block is sleeved between the three guiding rods in a sliding mode, the limiting block and the third guiding rod form sliding guide fit along the width direction parallel to the installation box, the limiting block is positioned on one side of the second sliding plate, a limiting spring is sleeved outside the third guiding rod in a sliding mode, one end of the limiting spring is abutted against the support, the other end of the limiting spring is abutted against the limiting block, the elastic force of the limiting spring always pushes the limiting block to slide close to the second sliding plate, the upper end face of the limiting block is horizontally arranged, the lower end face of the limiting, the lower end face of the second sliding plate is abutted to the upper end face of the limiting block in the initial state.
As a further optimization or improvement of the present solution.
The trigger device comprises a first stay wire mechanism containing a first stay wire, a second stay wire mechanism containing a second stay wire and a control mechanism for controlling the first stay wire and the second stay wire to be tightened and loosened.
As a further optimization or improvement of the present solution.
The first wire drawing mechanism comprises a first slide rod which is fixedly arranged in an installation box and is vertically arranged in the axial direction, a support used for supporting the first slide rod is fixedly arranged along the axial end position of the first slide rod, the first slide rod is fixedly connected with the inner wall of the installation box, the side face of a rack in the first slide rod and the side face of a rack in the left slide mechanism are arranged oppositely, a first rectangular lifting block capable of sliding up and down is sleeved on the first slide rod, the height direction of the first lifting block is vertically arranged, the width direction of the first lifting block is parallel to the length direction of the installation box, a first floating spring is sleeved outside the first slide rod, the first lifting block is always pushed to slide upwards along the first slide rod by the elasticity of the first floating spring, a first V-shaped open slot penetrating left and right is formed near one end face of the rack, a first inner sunken slot penetrating left and right and having a flat bottom is formed in the bottom of the first open slot, one end of a wire is fixedly The ends are arranged along the width direction of the mounting box.
As a further optimization or improvement of the present solution.
The wire drawing mechanism II comprises a second sliding rod which is fixedly arranged in the installation box and is vertically arranged in the axial direction, a support used for supporting the second sliding rod is fixedly arranged at the position of the end part of the second sliding rod along the axial direction of the second sliding rod, the support is fixedly connected with the inner wall of the installation box, the second sliding rod is positioned at one side of the first sliding rod close to the right sliding mechanism, the second sliding rod is arranged opposite to the side face of a rack in the left sliding mechanism, a rectangular lifting block II capable of sliding up and down is sleeved on the second sliding rod, the height direction of the lifting block II is vertically arranged, the width direction of the lifting block II is parallel to the length direction of the installation box, a second floating spring is sleeved outside the second sliding rod, the elastic force of the second floating spring always pushes the second lifting block to slide up along the second sliding rod, a V-shaped open slot II which penetrates through from left to right is formed in one end face of the second, The other end of the pull wire II is fixedly connected with the top of the sliding plate II by sequentially bypassing the guide wheels, and one end of the pull wire II connected with the sliding plate II is arranged along the height direction of the installation box.
As a further optimization or improvement of the present solution.
The control mechanism is arranged on a rack and an open slot I in the left sliding mechanism, the control mechanism comprises a third slide bar which is fixedly arranged between the inner walls of the installation boxes and is vertically arranged in the axial direction, a horizontal rectangular trigger plate is sleeved on the third slide bar in a coaxial rotating mode, the trigger plate and the open slots are arranged at equal heights, a sharp first bulge and a sharp second bulge are fixedly arranged on the end face, close to the rack, of the trigger plate, the first bulge is arranged right opposite to the first lifting block, the second bulge is arranged right opposite to the second lifting block, the first bulge and the second bulge are used for alternately receiving stirring of the convex rods, the second bulge is connected in the inner sunken groove in a clamping mode in an initial state, the second bulge and the convex rods are staggered along the length direction of the installation boxes, the first bulge is located outside the first open slot and corresponds to the first bulge along the length direction of the installation boxes, and the lower convex rods are located on one side, close.
Compared with the prior art, the door closer has the beneficial effects that the structure is ingenious, the principle is simple, the left door can be automatically closed first, and the right door can be automatically closed again under the assistance of the door closer, so that the edge pressing on the right door can be tightly pressed on the step of the left door, and the sealing performance of the left door and the right door when the left door and the right door are closed is ensured.
Drawings
Fig. 1 is a schematic structural view of a door closing state of the present invention.
Fig. 2 is a schematic structural diagram of the door opening state of the present invention.
FIG. 3 is a schematic view of the internal structure of the present invention.
Figure 4 is a schematic structural view of the fire door body.
Fig. 5 is a matching view of the left door leaf and the right door leaf.
Fig. 6 is a view showing the slide mechanism and the door closer in cooperation.
Fig. 7 is a view showing the slide mechanism and the door closer in cooperation.
Fig. 8 is a schematic structural view of the sliding mechanism.
Fig. 9 is a matching view of the right slide mechanism and the stopper.
Fig. 10 is a matching view of the right slide mechanism and the stopper.
Fig. 11 is a schematic structural view of the stopper.
Fig. 12 is a view of the engagement of the stopper with the restraint mechanism.
Fig. 13 is a schematic structural view of the restraint mechanism.
Fig. 14 is a combination view of the restraining mechanism and the limiting mechanism.
Fig. 15 is a schematic structural view of the limiting mechanism.
Fig. 16 is a view showing the engagement of the door-open state stopper with the right slide mechanism.
Fig. 17 is a matching view of the trigger device, the restriction mechanism and the limiting mechanism.
Fig. 18 is a view showing the engagement of the trigger device with the left slide mechanism.
Fig. 19 is a matching view of the first wire drawing mechanism and the second wire drawing mechanism.
Fig. 20 is a partial structural schematic diagram of the first wire drawing mechanism and the second wire drawing mechanism.
Fig. 21 is a matching diagram of the control mechanism and the first and second wire pulling mechanisms.
Fig. 22 is a schematic structural view of the control mechanism.
Fig. 23 is a combination view of the control mechanism and the left slide mechanism.
Labeled as:
100. a fire door body; 110. a door frame; 120. a door leaf; 121. a left door; 121a, a step; 122. a right door; 122a, pressing; 123. a handle; 130. a hinge; 140. a door closer; 141. a linkage rod;
200. installing a box; 210. a sliding mechanism; 211. a horizontal guide rod; 212. a rack; 213. a first rotating shaft; 214. a half gear; 215. a bump; 216. a nose bar; 220. a stopper; 221. a first guide rod; 222. a first sliding plate; 223. a top rod; 224. a compression spring; 230. a restraint mechanism; 231. a second guide rod; 232. a second sliding plate; 233. a constraint block; 234 depressing the spring; 240. a limiting mechanism; 241. a third guide rod; 242. a limiting block; 243. a limiting spring;
300. a trigger device; 310. a first wire pulling mechanism; 311. a first sliding rod; 312. a first lifting block; 312a, an open slot I; 312b, a first inner sink groove; 313. a first floating spring; 314. pulling a first wire; 320. a second wire drawing mechanism; 321. a second sliding rod; 322. a second lifting block; 322a, an open slot II; 322b, a second inner sink groove; 323. a second floating spring; 324. a second stay wire; 330. a control mechanism; 331. a third sliding rod; 332. a trigger plate; 333. a first bulge; 334. and a second bulge.
Detailed Description
A sequentially closed double-leaf oppositely-opened fireproof door comprises a fireproof door body 100, wherein the fireproof door body 100 comprises a door frame 110, door leaves 120, hinges 130 and door closers 140, the door leaves 120 are connected with the door frame 110 in a hinged mode through the hinges 130, the hinged shafts are arranged vertically in the axial direction, the hinges 130 are arranged in an array mode in the vertical direction, the door leaves 120 are composed of left door leaves 121 with steps 121a and right door leaves 122 with pressing edges 122a, handles 123 are arranged in the middle positions of the outer faces of the door leaves 120 in the vertical direction and are arranged to be opposite to the hinges 130, the door closers 140 are provided with two door leaves 123 and are matched with the left door leaves 121 and the right door leaves 122 respectively, an installation box 200 is arranged at the top of the door frame 110, sliding mechanisms 210, stoppers 220, restraining mechanisms 230, limiting mechanisms 240 and trigger devices 300 are arranged in the installation box 200, each sliding mechanism 210 comprises a left sliding mechanism and a right sliding mechanism, the door leaf 120 can synchronously drive the movable parts in the sliding mechanism 210 to slide away from each other by overcoming the assisting opening rotation of the door closer 140, the movable parts in the sliding mechanism 210 can synchronously be driven to slide and reset close to each other by closing rotation of the door leaf 120, the stop block 220 limits the sliding and resetting of the movable parts in the right sliding mechanism and releases the limitation after the movable parts in the left sliding mechanism are completely reset, and therefore the left door 121 is closed first and the right door 122 is closed again.
When the door 120 is opened, the stopper mechanism 240 is released from the stopper mechanism 230 and the stopper 220 is restrained by the stopper mechanism 230, so that the stopper 220 restrains the movable portion of the right slide mechanism, and when the movable portion of the left slide mechanism is completely restored and the left door 121 is closed, the left slide mechanism triggers the trigger device 300 and releases the stopper 220 from the restraint of the movable portion of the right slide mechanism, when the door 120 is closed.
The installation box 200 is rectangular and extends from one side of the door frame 110 to the other side, the length direction of the installation box 200 is parallel to the direction of one side of the door frame 110 pointing to the other side, the width direction is parallel to the thickness direction of the door frame 110, the left sliding mechanism is arranged in the installation box 200 and located at the left end of the length direction, the right sliding mechanism is arranged in the installation box 200 and located at the right end of the length direction, the sliding mechanism 210 comprises horizontal guide rods 211 which are fixedly arranged in the installation box 200 and axially arranged in parallel to the length direction of the installation box, the horizontal guide rods 211 are supported by brackets fixedly arranged in the installation box 200, the horizontal guide rods 211 are provided with two horizontal guide rods which are vertically arranged, racks 212 are movably arranged between the horizontal guide rods 211, the racks 212 and the horizontal guide rods 211 form sliding guide fit along the length direction of the installation box 200, the sliding mechanism 210 further comprises a first rotating shaft 213 which is rotatably arranged, the first rotating shaft 213 is coaxially disposed with the hinge 130 on the corresponding side, and a half gear 214 engaged with the rack 212 is coaxially and fixedly sleeved on the first rotating shaft 213, wherein the rack 212 is a movable portion of the sliding mechanism 210.
Specifically, in order to enable the racks 212 to move away from each other/approach each other and slide when the door leaf 120 is opened or closed, a linkage rod 141 is fixedly disposed on the housing of the door closer 140, the linkage rod 141 vertically extends upward and movably passes through the mounting box 200 and is fixedly connected with an eccentric position of the lower end surface of the half gear 214, the linkage rod 141 can synchronously rotate along the axis direction of the door closer 140 around the first rotating shaft 213, a protrusion 215 is fixedly disposed on the lower end surface of the rack 212 in the right sliding mechanism and is used for receiving the limitation of the stopper 220, the stopper 220 in the initial state is abutted against the protrusion 215 along the width direction of the mounting box 200, a protruding rod 216 is fixedly disposed on the lower end surface of the rack 212 in the left sliding mechanism and is used for triggering the triggering device 300, and the opening rotation of the door leaf 120 is converted into the mutual away sliding of the racks 212 through the connection of the linkage rod 141, the closing rotation of the door leaf 120 is converted into the mutual approaching sliding reset of the racks 212, and the sliding reset of the racks 212 positioned on the right side is limited (the movement reset of the convex block 215), so that the right door 122 is closed in a delayed manner, and the first closing of the left door 121 and the second closing of the right door 122 are realized.
When the fireproof door body 100 is in use, a user pulls the handle 123 to open the left door 121 and the right door 122 in a rotating manner, in the process, the limiting mechanism 240 releases the limitation on the limiting mechanism 230, then the lug 215 moves synchronously with the rack 212 and is staggered with the lug 215, the stopper 220 moves forwards along the width direction of the installation box 200 and moves to one side of the lug 215 close to the convex rod 216 to limit the reset movement of the stopper 220, then, the limiting mechanism 230 limits the withdrawing reset movement of the stopper 220, after that, the door closer 140 drives the left door 121 and the right door 122 to close around the axial rotation of the hinge 130, when the lug 215 is abutted against the stopper 220, the right door 122 stops rotating, at the moment, the left door 121 rotates continuously until it is completely closed, and in the process, the convex rod 216 in the left sliding mechanism stirs the trigger 300 to trigger, the trigger device 300 releases the retraction restriction of the stopper 220 by the restriction mechanism 230, the stopper 220 releases the restriction of the projection 215, and then the projection 215 is reset along with the rack 212 in the right sliding mechanism, and the right door 122 continues to rotate until the right door is completely closed, so that the left door 121 is closed first and the right door 122 is closed again.
In order to facilitate the installation of the stopper 220 and make the stopper 220 abut against the bump 215 in the initial state, a first guide rod 221 arranged axially parallel to the width direction of the installation box 200 is arranged in the installation box 200, the first guide rod 221 is located below the rack 212 in the right sliding mechanism, a bracket for supporting the first guide rod 221 is arranged at the end position of the first guide rod 221 along the axial direction and is fixedly connected with the inner wall of the installation box 200, two first guide rods 221 are arranged in parallel and at intervals, a first sliding plate 222 sleeved outside the first guide rods is arranged between the two first guide rods 221 in a sliding manner, the first sliding plate 222 can slide along the first guide rod 221 in the width direction of the installation box 200, a top rod 223 is fixedly arranged on one end surface of the first sliding plate 222 close to the bump 215, the axial direction of the top rod 223 is parallel to the width direction of the installation box 200, the stopper 220 is fixedly installed at the extending end of the top rod 223, and a sliding, one end of the pressing spring 224 abuts against the bracket, the other end of the pressing spring 224 abuts against the first sliding plate 222, the first sliding plate 222 is always pushed by the elastic force of the pressing spring 224 to slide close to the projection 215, and the stopper 220 is pushed by the pressing spring 224 to abut against the projection 215 in the initial state.
Specifically, the stopper 220 is located on a side of the protrusion 215 close to the protruding rod 216 to limit the protrusion, and when the restriction mechanism 230 releases the restriction on the stopper 220, it is necessary to enable the stopper 220 to perform a retracting movement against the elastic force of the pressing spring 224, for this reason, two side surfaces of the stopper 220 in the length direction of the mounting box 200 are provided with inclined surfaces, and the distance between the two inclined surfaces decreases along the elastic force direction of the pressing spring 224, so that the stopper 220 performs a retracting movement reset against the elastic force of the pressing spring 224 by the abutment of the protrusion 215 against the inclined surface of the stopper 220.
In order to restrain the retraction movement reset of the stopper 220, the restraining mechanism 230 includes a second guiding rod 231 which is fixedly disposed on the inner wall of the installation box 200 and is vertically disposed in the axial direction, the second guiding rod 231 is disposed with two first guiding rods 221 which are disposed between the second guiding rods 231, the second guiding rods 231 are disposed with a bracket for supporting the second guiding rods along the axial end positions thereof and fixedly connected with the inner wall of the installation box 200, a sliding plate two 232 which can slide up and down is sleeved on the second guiding rods 231, the sliding plate two 232 is disposed above the sliding plate one 222, a restraining block 233 which extends vertically and downwardly is disposed at the middle position of the sliding plate two 232 along the spacing direction of the two guiding rods 231, a pressing spring 234 is movably sleeved outside the second guiding rods 231, one end of the pressing spring 234 abuts against the bracket, the other end abuts against the sliding plate two 232, and the elastic force of the pressing spring 234 always pushes the sliding plate two 232 to slide vertically and downwardly along the second guiding rods 231, in the initial state, the restraint block 233 is located right above the ejector 223 and presses the spring 234 downwards to enable the restraint block 233 to abut against the ejector 223 from top to bottom, when the stop block 220 restrains the bump 215, the restraint block 233 moves downwards under the action of the elastic force of the spring 234 and is placed on an end face, away from the stop block 220, of the first sliding plate 222, so that the restraint of the retraction movement of the stop block 220 is achieved.
In order to limit the limiting mechanism 230, the limiting mechanism 240 includes a third guiding rod 241, the axial direction of which is parallel to the width direction of the installation box 200, a bracket for supporting the third guiding rod 241 is arranged along the axial end position of the third guiding rod 241, the bracket is fixedly connected with the inner wall of the installation box 200, the third guiding rods 241 are arranged in parallel, two limiting blocks 242 are arranged in parallel and are arranged at intervals, a limiting block 242 is slidably sleeved between the three guiding rods 241, the limiting block 242 and the three guiding rods 241 form a sliding guiding fit along the width direction parallel to the installation box 200, the limiting block 242 is positioned on one side of the second sliding plate 232, a limiting spring 243 is slidably sleeved outside the third guiding rod 241, one end of the limiting spring 243 abuts against the bracket, the other end of the limiting spring abuts against the limiting block 242, the elastic force of the limiting spring 243 always pushes the limiting block 242 to slide close, The lower end face is obliquely arranged, the distance between the upper end face of the limiting block 242 and the lower end face of the limiting spring 243 is gradually reduced along the elastic direction of the limiting spring 243, the lower end face of the second sliding plate 232 is abutted to the upper end face of the limiting block 242 in the initial state, the second sliding plate 232 is limited through the limiting block 242, only when the limiting block 242 relieves the limitation on the second sliding plate 232, the limiting block 233 can limit the retracting movement of the stop block 220, and the limit mechanism has the significance that the requirement that a user can independently open and close the right door 122 is met.
During the operation of the stop block 220, the restriction mechanism 230 and the limiting mechanism 240, during the rotation opening process of the left door 121 and the right door 122, the trigger device 300 makes the limiting block 242 overcome the elastic force of the limiting spring 243 to slide along the third guide rod 241 and stagger with the second sliding plate 232, the limiting block 242 releases the limitation on the second sliding plate 232, and when the limiting block 233 props against and slides along the top rod 223 and staggers with the first sliding plate 222, the limiting block 233 moves vertically downwards along with the second sliding plate 232 and restricts the first sliding plate 222, so as to restrict the retraction movement of the stop block 220; the concrete performance of the process of rotating and closing the left door 121 and the right door 122 is that when the protrusion 215 abuts against the stopper 220, the right door 122 will stop rotating, at this time, the left door 121 will rotate continuously until it is completely closed and in the process, the protruding rod 216 in the left sliding mechanism will toggle the trigger device 300 to trigger it, the trigger device 300 will drive the second sliding plate 232 to slide upwards against the elastic force of the pressing spring 234, the second sliding plate 232 will press the lower end surface of the stopper 242 until the stopper 242 exceeds the upper end surface of the stopper 242, the stopper 242 will resume the limiting of the second sliding plate 232, at the same time, the restriction block 233 will release the restriction of the first sliding plate 222, the stopper 220 will release the restriction of the protrusion 215, then, the protrusion 215 will press the inclined surface of the stopper 220 and force the stopper 220 to move backwards against the elastic force of the pressing spring 224 as the rack 212 in the right sliding mechanism resets, the right door 122 continues to rotate until the right door is completely closed, so that the left door 121 is closed first and the right door 122 is closed again.
As can be seen from the above description, the triggering device 300 needs to perform two functions, one is to pull the limiting block 242 to slide against the elastic force of the limiting spring 243 to release the limiting of the second sliding plate 232 when the left door 121 and the right door 122 are opened, and the other is to pull the second sliding plate 232 to slide upward against the elastic force of the pressing spring 234 to release the constraint of the first sliding plate 222 when the left door 121 and the right door 122 are closed, so that the triggering device 300 includes a first pulling mechanism 310 including a first pulling wire 314, a second pulling mechanism 320 including a second pulling wire 324, and a control mechanism 330 for controlling the first pulling wire 314 and the second pulling wire 324 to be tightened or loosened.
The first wire drawing mechanism 310 comprises a first sliding rod 311 which is fixedly arranged in the installation box 200 and is vertically arranged in the axial direction, a support used for supporting the first sliding rod 311 is fixedly arranged at the position of the end part of the first sliding rod 311 in the axial direction, the support is fixedly connected with the inner wall of the installation box 200, the first sliding rod 311 is arranged opposite to the side surface of the rack 212 in the left sliding mechanism, a rectangular lifting block 312 capable of sliding up and down is sleeved on the first sliding rod 311, the height direction of the lifting block 312 is vertically arranged, the width direction is parallel to the length direction of the installation box 200, a first floating spring 313 is sleeved outside the first sliding rod 311, the elastic force of the first floating spring 313 always pushes the first lifting block 312 to slide upwards along the first sliding rod 311, a V-shaped open slot 312a which penetrates left and right is formed in one end surface of the first lifting block 312, which is close to one end surface of the rack 212, a, one end of the first pull wire 314 is fixedly connected with the top of the first lifting block 312, the other end of the first pull wire is fixedly connected with the side face of the limiting block 242 by sequentially bypassing a plurality of guide wheels, one end of the first pull wire 314 connected with the limiting block 242 is arranged along the width direction of the mounting box 200, and the first lifting block 312 moves downwards by overcoming the elastic action of the first floating spring 313 through horizontal extrusion on the first opening groove 312a, so that the first pull wire 314 pulls the limiting block 242 to slide by overcoming the elastic action of the limiting spring 243, and the limiting block 242 releases the limitation on the second sliding plate 232.
The second wire drawing mechanism 320 comprises a second sliding rod 321 which is fixedly arranged in the installation box 200 and is vertically arranged along the axial direction, a bracket for supporting the second sliding rod 321 is fixedly arranged at the position of the end part of the second sliding rod 321 along the axial direction, the bracket is fixedly connected with the inner wall of the installation box 200, the second sliding rod 321 is positioned at one side of the first sliding rod 311 close to the right sliding mechanism, the second sliding rod 321 is arranged opposite to the side surface of the rack 212 in the left sliding mechanism, a rectangular lifting block II 322 capable of sliding up and down is sleeved on the second sliding rod 321, the height direction and the width direction of the lifting block II 322 are vertically arranged and parallel to the length direction of the installation box 200, a floating spring II 323 is sleeved outside the second sliding rod 321, the elastic force of the floating spring II 323 always pushes the lifting block II 322 to slide up along the second sliding rod 321, one end surface of the lifting block II 322 close to the rack 212 is provided with a V-shaped open slot 322a which penetrates left and, one end of the second pull wire 324 is fixedly connected with the top of the second lifting block 322, the other end of the second pull wire 324 sequentially bypasses a plurality of guide wheels to be fixedly connected with the top of the second sliding plate 232, one end of the second pull wire 324 connected with the second sliding plate 232 is arranged along the height direction of the installation box 200, the second lifting block 322 overcomes the elastic action of the second floating spring 323 to move downwards through horizontal extrusion on the second opening groove 322a, and therefore the second pull wire 324 pulls the second sliding plate 232 to slide upwards overcoming the elastic action of the second pressing spring 234.
The control mechanism 330 is arranged between the rack 212 and the first open slot 312a and the second open slot 322a in the left sliding mechanism, the control mechanism 330 comprises a third slide bar 331 which is fixedly arranged between the inner walls of the installation box 200 and is axially and vertically arranged, a horizontal rectangular trigger plate 332 is coaxially and rotatably sleeved on the third slide bar 331, the trigger plate 332 is arranged at the same height as the first open slot 312a, a sharp first bulge 333 and a second bulge 334 are fixedly arranged on the end surface of the trigger plate 332 close to the rack 212, the first bulge 333 is arranged opposite to the first lift block 312, the second bulge 334 is arranged opposite to the second lift block 322, the first bulge 333 and the second bulge 334 are used for alternately receiving the shifting of the convex rod 216, the second bulge 334 is clamped in the second inner sunken slot 322b in an initial state, the second bulge 334 is staggered with the convex rod 216 along the length direction of the installation box 200, the first bulge 333 is positioned outside the first open slot 312a in the initial state and the first bulge 333 corresponds to the convex rod 216 along, in the initial state, the convex rod 216 is positioned at one side of the trigger plate 332 close to the convex block 215, and the pull wire I314 and the pull wire II 324 are tightened/loosened by shifting the trigger plate 332 through the convex rod 216.
In the working process of the triggering device 300, the specific expression in the opening process of the left door 121 and the right door 122 is that the rack 212 slides away from each other, the protruding rod 216 stirs the first protrusion 333, so that the triggering plate 332 is withdrawn from the second inner sinking groove 322b, the second pull wire 324 is loosened, the triggering plate 332 extrudes the first opening groove 312a and is clamped in the first inner sinking groove 312b, the first pull wire 314 is tensioned and pulls the limiting block 242 to slide against the elastic action of the limiting spring 243, so that the limiting block 242 releases the limiting on the second sliding plate 232, and the limiting block 220 can smoothly limit the protrusion 215; the closing process of the left door 121 and the right door 122 is embodied in that the racks 212 slide close to each other, the protruding rod 216 shifts the second protrusion 334 to make the trigger plate 332 withdraw from the first inner sinking groove 312b, the first pull wire 314 is loosened to make the trigger plate 332 press the second opening groove 322a and be clamped in the second inner sinking groove 322b, the second pull wire 324 is tightened to pull the second sliding plate 232 to slide upwards against the elastic force of the pressing spring 234, and the stop block 220 releases the limitation on the projection 215.
Claims (4)
1. The utility model provides a close formula biparting prevents fire door in order, it is including preventing fire door body, prevent fire door body includes the door frame, the door leaf, hinge and door closer, carry out articulated connection and the vertical arrangement of axial of this articulated shaft by the hinge between door leaf and the door frame, the hinge has a plurality ofly along vertical direction array arrangement, the door leaf comprises the left side door that is provided with the step and the right side door that is provided with the blank pressing, the door leaf outside is provided with handle and handle along vertical direction's middle part position and deviates from the hinge and arranges, the door closer be provided with two and respectively with the left side door, the cooperation of right side door, its characterized in that: the door comprises a door frame, a door leaf and a door leaf, wherein the door leaf is provided with a door frame, the door leaf is provided with a door leaf opening and closing mechanism, the door leaf opening and rotating mechanism is arranged on the door frame, the door leaf opening and rotating mechanism is arranged on the door leaf opening and closing mechanism, the door leaf opening and rotating mechanism is arranged on the door leaf;
the installation box is set to be rectangular and extends from one side of a door frame to the other side, the length direction of the installation box is parallel to the direction of one side of the door frame pointing to the other side, the width direction of the installation box is parallel to the thickness direction of the door frame, the left sliding mechanism is arranged in the installation box and is positioned at the left end of the length direction of the installation box, the right sliding mechanism is arranged in the installation box and is positioned at the right end of the length direction of the installation box, the sliding mechanism comprises horizontal guide rods which are fixedly arranged in the installation box and are axially arranged in parallel to the length direction of the installation box, the horizontal guide rods are supported by a bracket fixedly arranged in the installation box, the horizontal guide rods are provided with two racks which are vertically and symmetrically arranged, a rack is movably arranged between the horizontal guide rods, the rack and the horizontal guide rods form sliding guide fit along the length direction of the installation box, the sliding mechanism further, a half gear meshed with the rack is coaxially and fixedly sleeved on the first rotating shaft, wherein the rack is a movable part of the sliding mechanism;
a linkage rod is fixedly arranged on a shell of the door closer, vertically and upwards extends to movably penetrate through an eccentric position of a lower end face of the mounting box and a half gear to be fixedly connected, the linkage rod can synchronously rotate along with the door closer around the axis direction of a first rotating shaft, a bump is fixedly arranged on the lower end face of a rack in the right sliding mechanism and used for being limited by a stop block, the stop block is abutted against the bump along the width direction of the mounting box in an initial state, and a convex rod is fixedly arranged on the lower end face of the rack in the left sliding mechanism and used for enabling a trigger device to be triggered;
the mounting box is internally provided with a first guide rod axially arranged in parallel with the width direction of the mounting box, the first guide rod is positioned below a rack in the right sliding mechanism, the first guide rod is provided with a bracket for supporting the first guide rod along the axial end position of the first guide rod and fixedly connected with the inner wall of the mounting box, the first guide rod is arranged in parallel at intervals, two first sliding plates which are slidably sleeved outside the first guide rod are arranged between the two first guide rods, the first sliding plates can slide along the first guide rod in the width direction of the mounting box, one end surface of the first sliding plate, which is close to a lug, is fixedly provided with a mandril, the axial direction of the mandril is parallel with the width direction of the mounting box, a stop block is fixedly arranged at the extending end of the mandril, the first guide rod is sleeved with a compression spring in a sliding manner, one end of the compression spring is abutted against, in the initial state, the spring is pressed tightly to push the stop block to be abutted against the bump;
the two side surfaces of the stop block along the length direction of the mounting box are provided with inclined surfaces, and the distance between the two inclined surfaces is gradually reduced along the elastic direction of the compression spring;
the restraint mechanism comprises two guide rods II which are fixedly arranged on the inner wall of the installation box and are vertically arranged in the axial direction, the two guide rods one are positioned between the two guide rods, the end parts of the two guide rods along the axial direction are provided with supports for supporting the two guide rods, the supports are fixedly connected with the inner wall of the installation box, the two guide rods are sleeved with sliding plates II capable of sliding up and down, the two sliding plates II are positioned above the first sliding plates, the middle parts of the two sliding plates II along the two guide rod spacing direction are provided with restraint blocks which are vertically and downwardly extended and arranged, the outer parts of the two guide rods are movably sleeved with a pressing spring, one end of the pressing spring is abutted against the supports, the other end of the first limiting block is abutted against the sliding plate II, the elastic force of the downward pressing spring always pushes the sliding plate II to vertically slide downwards along the guide rod II, and the limiting block is positioned right above the ejector rod in the initial state and presses the spring downwards to enable the limiting block to abut against the ejector rod from top to bottom;
the limiting mechanism comprises a third guiding rod axially parallel to the width direction of the installation box, the third guiding rod is provided with a support for supporting the third guiding rod along the axial end position of the third guiding rod, the support is fixedly connected with the inner wall of the installation box, the three guiding rods are arranged in parallel and are arranged at intervals, a limiting block is sleeved between the three guiding rods in a sliding mode, the limiting block and the third guiding rod form sliding guide fit along the width direction parallel to the installation box, the limiting block is positioned on one side of the second sliding plate, a limiting spring is sleeved outside the third guiding rod in a sliding mode, one end of the limiting spring is abutted against the support, the other end of the limiting spring is abutted against the limiting block, the elastic force of the limiting spring always pushes the limiting block to slide close to the second sliding plate, the upper end face of the limiting block is horizontally arranged, the lower end face of the limiting, the lower end face of the second sliding plate is abutted against the upper end face of the limiting block in the initial state;
the trigger device comprises a first stay wire mechanism containing a first stay wire, a second stay wire mechanism containing a second stay wire and a control mechanism for controlling the first stay wire and the second stay wire to be tightened and loosened.
2. A sequentially closed two-leaf bisected fire door according to claim 1, characterized in that: the first wire drawing mechanism comprises a first slide rod which is fixedly arranged in an installation box and is vertically arranged in the axial direction, a support used for supporting the first slide rod is fixedly arranged along the axial end position of the first slide rod, the first slide rod is fixedly connected with the inner wall of the installation box, the side face of a rack in the first slide rod and the side face of a rack in the left slide mechanism are arranged oppositely, a first rectangular lifting block capable of sliding up and down is sleeved on the first slide rod, the height direction of the first lifting block is vertically arranged, the width direction of the first lifting block is parallel to the length direction of the installation box, a first floating spring is sleeved outside the first slide rod, the first lifting block is always pushed to slide upwards along the first slide rod by the elasticity of the first floating spring, a first V-shaped open slot penetrating left and right is formed near one end face of the rack, a first inner sunken slot penetrating left and right and having a flat bottom is formed in the bottom of the first open slot, one end of a wire is fixedly The ends are arranged along the width direction of the mounting box.
3. A sequentially closed two-leaf bisected fire door according to claim 1, characterized in that: the wire drawing mechanism II comprises a slide bar II which is fixedly arranged in the installation box and is vertically arranged in the axial direction, a support used for supporting the slide bar II is fixedly arranged at the position of the end part of the slide bar II in the axial direction, the support is fixedly connected with the inner wall of the installation box, the slide bar II is positioned at one side of the slide bar I close to the right sliding mechanism and is just opposite to the side face of a rack in the left sliding mechanism, a rectangular lifting block II capable of sliding up and down is sleeved on the slide bar II, the height direction and the width direction of the lifting block II are vertically arranged and are parallel to the length direction of the installation box, a floating spring II is sleeved outside the slide bar II, the elastic force of the floating spring II always pushes the lifting block II to slide upwards along the slide bar II, a V-shaped second penetrating left and right is arranged at one end face of the lifting block II close to the rack, an inner sunken groove II penetrating left and right and, The other end of the pull wire II is fixedly connected with the top of the sliding plate II by sequentially bypassing the guide wheels, and one end of the pull wire II connected with the sliding plate II is arranged along the height direction of the installation box.
4. A sequentially closed two-leaf bisected fire door according to claim 1, characterized in that: the control mechanism is arranged on a rack and an open slot I in the left sliding mechanism, the control mechanism comprises a third slide bar which is fixedly arranged between the inner walls of the installation boxes and is vertically arranged in the axial direction, a horizontal rectangular trigger plate is sleeved on the third slide bar in a coaxial rotating mode, the trigger plate and the open slots are arranged at equal heights, a sharp first bulge and a sharp second bulge are fixedly arranged on the end face, close to the rack, of the trigger plate, the first bulge is arranged right opposite to the first lifting block, the second bulge is arranged right opposite to the second lifting block, the first bulge and the second bulge are used for alternately receiving stirring of the convex rods, the second bulge is connected in the inner sunken groove in a clamping mode in an initial state, the second bulge and the convex rods are staggered along the length direction of the installation boxes, the first bulge is located outside the first open slot and corresponds to the first bulge along the length direction of the installation boxes, and the lower convex rods are located on one side, close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946174.XA CN110593731B (en) | 2019-10-03 | 2019-10-03 | Two-leaf folio fireproof door capable of being closed sequentially |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946174.XA CN110593731B (en) | 2019-10-03 | 2019-10-03 | Two-leaf folio fireproof door capable of being closed sequentially |
Publications (2)
| Publication Number | Publication Date |
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| CN110593731A CN110593731A (en) | 2019-12-20 |
| CN110593731B true CN110593731B (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910946174.XA Active CN110593731B (en) | 2019-10-03 | 2019-10-03 | Two-leaf folio fireproof door capable of being closed sequentially |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2017268644B2 (en) * | 2016-12-07 | 2022-12-08 | Rakman International Pty Ltd | A safety cabinet and an associated door controlling mechanism |
| CN111456553B (en) * | 2020-03-13 | 2021-09-14 | 深圳市四维自动化设备有限公司 | Entrance guard's device and mechanical equipment |
| CN111963030B (en) * | 2020-08-29 | 2022-01-25 | 湖南远东人防设备有限公司 | Fireproof isolation door |
| CN116084812B (en) * | 2023-04-11 | 2023-06-23 | 中联科锐消防科技有限公司 | Bidirectional glass fireproof door |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5992098A (en) * | 1998-12-09 | 1999-11-30 | Justrite Manufacturing Company, Llc | Safety cabinet latching system |
| CN201381733Y (en) * | 2009-02-24 | 2010-01-13 | 固力保安制品有限公司 | Syn-position device |
| KR101066048B1 (en) * | 2009-06-26 | 2011-09-20 | (주) 아이레보 금강씨에스 | Close order adjustment device for fire door |
| DE102013109035A1 (en) * | 2013-08-21 | 2015-02-26 | Dorma Deutschland Gmbh | Door lock assembly |
| AU2017268644B2 (en) * | 2016-12-07 | 2022-12-08 | Rakman International Pty Ltd | A safety cabinet and an associated door controlling mechanism |
| CN206477722U (en) * | 2017-01-03 | 2017-09-08 | 苏州市富尔达科技股份有限公司 | A kind of Syn-position device of closing the door of double door |
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Effective date of registration: 20200904 Address after: 362100 Taiwan business start up base (Qianguo Village), huangtang Town, Hui'an County, Quanzhou City, Fujian Province Applicant after: Quanzhou Shengfa Security Development Co., Ltd Address before: 230036 Anhui Agriculture University, 130 Changjiang West Road, Shushan District, Anhui, Hefei Applicant before: Lu Zhongyan |
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