CN111206837B - Fireproof door closer - Google Patents
Fireproof door closer Download PDFInfo
- Publication number
- CN111206837B CN111206837B CN202010232021.1A CN202010232021A CN111206837B CN 111206837 B CN111206837 B CN 111206837B CN 202010232021 A CN202010232021 A CN 202010232021A CN 111206837 B CN111206837 B CN 111206837B
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- Prior art keywords
- shaft
- electromagnet
- door closer
- trompil
- sliding
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
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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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- 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—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a fireproof door closer, which comprises a chute, an installation frame and a sliding block, wherein an electromagnet assembly, a pull rod piece, a torsion spring piece and a manual reset piece are arranged in the installation frame; the electromagnet assembly comprises an electromagnet main body and an electromagnet shaft core, one end of the electromagnet shaft core is positioned in the electromagnet main body, the other end of the electromagnet shaft core is provided with a through hole, a first shaft is arranged in the through hole, the pull rod piece is connected with the electromagnet shaft core through the first shaft, and a tower spring is arranged between the first shaft and the electromagnet main body; the torsion spring piece comprises a middle elastic part, a first connecting part and a second connecting part, a second shaft is arranged in the first connecting part, the torsion spring piece is connected with the pull rod piece through the second shaft, a third shaft is arranged in the second connecting part, a stainless steel sleeve is sleeved on the third shaft, and the manual reset piece is connected to the mounting frame through a fourth shaft. The invention has the advantages of simple mechanical structure, reasonable design, convenient realization, few integral components, simple assembly, reduction of the comprehensive cost, good use effect and convenient popularization and use.
Description
Technical Field
The invention belongs to the technical field of fire safety equipment, and particularly relates to a fireproof door closer.
Background
The fireproof door closer is mainly applied to fireproof doors in various public places or commercial occasions, and is combined with a fireproof door hydraulic press to control the fireproof door to be closed in time when a building fire occurs. The fireproof door hydraulic press provides power for closing of a fireproof door, the fireproof door closer can control the fireproof door to maintain an opening state when the fireproof door is in daily passing, and the fireproof door is controlled to be automatically closed when a fire condition occurs. Because the flow of people in public places or commercial occasions is big, if the door closer is not installed on the fireproof door, the fireproof door can be automatically closed under the action of the hydraulic press after being opened manually, the fireproof door is frequently opened and closed, the generated noise can influence the surrounding environment, and meanwhile, the service life of the fireproof door can also be influenced by frequent collision between the fireproof door and a door frame.
The existing fireproof door closer in the market has the defects of large number of spare and accessory parts and complex structure, and high comprehensive cost of accessories, assembly, testing and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the fireproof door closer aiming at the defects in the prior art, which has the advantages of simple mechanical structure, reasonable design, convenient realization, few integral components, simple assembly, reduction of the comprehensive cost, good use effect and convenient popularization and use.
In order to solve the technical problems, the invention adopts the technical scheme that: a fireproof door closer comprises a sliding chute, an installation frame arranged in the sliding chute and a sliding block arranged on the sliding chute and capable of sliding along the sliding chute, wherein an electromagnet assembly, a pull rod piece, a torsion spring piece and a manual reset piece are arranged in the installation frame; the electromagnet assembly comprises an electromagnet main body fixed at the bottom of the mounting frame and an electromagnet shaft core arranged at the center shaft of the electromagnet main body, one end of the electromagnet shaft core is positioned in the electromagnet main body, the other end of the electromagnet shaft core is provided with a through hole vertical to the length direction of the electromagnet shaft core, a first shaft is arranged in the through hole, the pull rod piece is connected with the electromagnet shaft core through the first shaft, a tower spring is arranged between the first shaft and the electromagnet main body, and the tower spring is sleeved on the electromagnet shaft core; the torsion spring piece includes middle elasticity portion, first connecting portion and second connecting portion, be provided with the secondary shaft in the first connecting portion, the torsion spring piece passes through the secondary shaft and is connected with the pull rod piece, be provided with the third axle in the second connecting portion, the cover is equipped with the stainless steel sleeve on the third axle, manual piece that resets passes through the fourth shaft and connects on the mounting bracket.
The utility model provides a foretell prevent fire door closer, the shape of mounting bracket is the U-shaped, the mounting bracket has first trompil, second trompil, third trompil and fourth trompil along on two sides of length direction respectively symmetrical molding, the shape of first trompil is the rectangle, the shape of second trompil appears for fillet L, the third trompil is waist shape hole, the shape of fourth trompil is circular, the mounting bracket all is provided with ascending L shape hem along length direction's bottom plate both ends, the top symmetry of mounting bracket is provided with the limiting plate that is used for the locking slider.
The bottom of the mounting frame is symmetrically provided with a clamping plate for fixing the electromagnet main body, one end, close to the clamping plate, of the electromagnet main body is provided with a clamping groove corresponding to the shape of the clamping plate, the other end of the electromagnet main body is provided with a horizontal extending portion, and the horizontal extending portion is fixedly connected to the bottom of the mounting frame through screws.
The fireproof door closer is characterized in that the mounting frame is fixedly connected to the bottom of the sliding groove through screws.
The utility model provides a foretell prevent fire door closer, the slider includes the slider base member, the both sides of slider base member are provided with the sliding part, the one end of slider base member is provided with the spacing portion that is located the sliding part top, the other end of slider base member is provided with the block portion that is located slider base member bottom, the slider passes through the sliding part and slides on the spout, the slider passes through the block portion and overlaps the mutual block of establishing the epaxial stainless steel sleeve of third through block portion.
In the fireproof door closer, the clamping part is a wedge with a large upper end and a small lower end.
The pull rod piece comprises a first side plate and a second side plate which are integrally formed, and a connecting plate connected between the first side plate and the second side plate, the first side plate and the second side plate are symmetrically arranged, a fifth opening and a sixth opening are symmetrically formed on the first side plate and the second side plate respectively, and the first shaft penetrates through the through hole, the fifth opening and the first opening.
The fireproof door closer comprises a torsion spring piece, a first connecting portion, a second shaft and a third shaft, wherein the middle elastic portion, the first connecting portion and the second connecting portion of the torsion spring piece are two spiral structures arranged in parallel, the second shaft penetrates through the first connecting portion, the sixth opening and the second opening, and the third shaft penetrates through the second connecting portion and the third opening.
The utility model provides a foretell prevent fire door closer, manual reset piece includes integrated into one piece's base part, presses splenium and kink, the base part includes first base plate and the second base plate that mutually perpendicular set up, press the splenium including the press platen that the level set up, press platen and the upper end of first base plate to be connected, the kink includes first curved boom and the second curved boom that the symmetry set up, the one end of first curved boom and the one end of second curved boom all are connected with the second base plate, the other end of first curved boom and the other end of second curved boom all upwards buckle, form the coupler body, all be provided with seventh trompil on first curved boom and the second curved boom, the fourth axis runs through seventh trompil and fourth trompil.
The fireproof door closer is characterized in that a groove located below the second shaft is formed in the bent portion and close to the hook body.
In the fireproof door closer, the large end of the tower spring presses against the wall surface of the electromagnet main body close to the first shaft, and the small end of the tower spring presses against the first shaft.
Compared with the prior art, the invention has the following advantages: the mechanical structure of the invention is simple, the design is reasonable, the realization is convenient, the release of the sliding block is realized through the mutual matching of the electromagnet assembly, the pull rod piece and the torsion spring piece, thereby realizing the closing control of the fireproof door, and the resetting of the fireproof door closer is realized through the mutual matching of the manual resetting piece and the torsion spring piece.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the components within the mount of the present invention;
FIG. 3 is a schematic view of the structure of the shaft core of the electromagnet according to the present invention;
FIG. 4 is a schematic structural view of a torsion spring member according to the present invention;
FIG. 5 is a schematic structural view of a mount of the present invention;
FIG. 6 is a schematic view of the mounting of the electromagnet body within the mounting of the present invention;
FIG. 7 is a schematic structural view of an electromagnet body according to the present invention;
FIG. 8 is a schematic view of the slider of the present invention;
FIG. 9 is a schematic view showing the engagement of the slide engaging portion with the stainless steel sleeve according to the present invention;
FIG. 10 is a schematic view of the tie member of the present invention;
fig. 11 is a schematic structural view of the manual reset piece of the present invention.
Description of reference numerals:
1, a chute; 2, mounting a frame; 2-1 — first opening;
2-second opening; 2-3-third opening; 2-4-fourth opening;
2-5-folding; 2-6-limiting plate; 2-7-a clamping plate;
3, a sliding block; 3-1 — a slider substrate; 3-2-sliding part;
3-a limiting part; 3-4-a snap-fit portion; 4-a pull rod member;
4-1 — a first side panel; 4-2 — a second side plate; 4-3-connecting plate;
4-fifth opening; 4-5-sixth opening; 5-torsion spring piece;
5-1-middle elastic part; 5-2 — a first connection; 5-3 — a second connecting portion;
6-manual reset piece; 6-1 — a first substrate; 6-2 — a second substrate;
6-3-pressing plate; 6-4-first curved arm; 6-5-a second curved arm;
6-hook body; 6-7-seventh opening; 6-8-groove;
7, an electromagnet main body; 7-1-a snap groove; 7-2-horizontal extension;
8-an electromagnet shaft core; 9-a through hole; 10 — a first axis;
11-tower spring; 12-a second axis; 13-a third axis;
14-stainless steel sleeve; 15-fourth axis.
Detailed Description
As shown in fig. 1 to 2, the fire door closer of the present invention includes a sliding chute 1, an installation frame 2 disposed in the sliding chute 1, and a sliding block 3 disposed on the sliding chute 1 and capable of sliding along the sliding chute 1, wherein an electromagnet assembly, a pull rod 4, a torsion spring 5, and a manual reset element 6 are disposed in the installation frame 2; the electromagnet assembly comprises an electromagnet main body 7 fixed at the bottom of the mounting frame 2 and an electromagnet shaft core 8 arranged at the center shaft of the electromagnet main body 7, one end of the electromagnet shaft core 8 is positioned in the electromagnet main body 7, with reference to fig. 3, the other end of the electromagnet shaft core 8 is provided with a through hole 9 perpendicular to the length direction of the electromagnet shaft core 8, a first shaft 10 is arranged in the through hole 9, the pull rod piece 4 is connected with the electromagnet shaft core 8 through the first shaft 10, a tower spring 11 is arranged between the first shaft 10 and the electromagnet main body 7, and the tower spring 11 is sleeved on the electromagnet shaft core 8; with reference to fig. 4, the torsion spring member 5 includes a middle elastic portion 5-1, a first connecting portion 5-2 and a second connecting portion 5-3, a second shaft 12 is provided in the first connecting portion 5-2, the torsion spring member 5 is connected with the pull rod member 4 through the second shaft 12, a third shaft 13 is provided in the second connecting portion 5-3, a stainless steel sleeve 14 is sleeved on the third shaft 13, and the manual reset member 6 is connected to the mounting frame 2 through a fourth shaft 15.
In this embodiment, as shown in fig. 5, the shape of the mounting bracket 2 is a U shape, two sides of the mounting bracket 2 along the length direction are respectively and symmetrically formed with a first opening 2-1, a second opening 2-2, a third opening 2-3 and a fourth opening 2-4, the first opening 2-1 is rectangular, the second opening 2-2 is rounded L-shaped, the third opening 2-3 is a waist-shaped hole, the fourth opening 2-4 is circular, two ends of the bottom plate of the mounting bracket 2 along the length direction are both provided with upward L-shaped folded edges 2-5, and the top of the mounting bracket 2 is symmetrically provided with limiting plates 2-6 for locking the sliding block 3.
In specific implementation, the shape of the first opening 2-1 is a rectangle in the horizontal direction; the second opening hole 2-2 is in a round angle L shape, the vertical part of the L shape is close to the first opening hole 2-1, the horizontal part of the L shape is positioned at the upper part of the vertical part, one end of the horizontal part, which is far away from the vertical part, is a round angle, and the joint of the horizontal part and the vertical part is a round angle; the third opening 2-3 is a waist-shaped hole in the vertical direction; the limiting plates 2-6 are used for stopping and limiting the sliding block 3 sliding on the sliding chute 1, so that the sliding block 3 is located at a clamping position.
In this embodiment, as shown in fig. 6, the bottom of the mounting bracket 2 is symmetrically provided with engaging plates 2-7 for fixing the electromagnet main body 7, with reference to fig. 7, one end of the electromagnet main body 7 close to the engaging plates 2-7 is provided with engaging grooves 7-1 corresponding to the shapes of the engaging plates 2-7, the other end of the electromagnet main body 7 is provided with a horizontal extension portion 7-2, and the horizontal extension portion 7-2 is fixedly connected to the bottom of the mounting bracket 2 by screws.
In specific implementation, the clamping groove 7-1 at one end of the electromagnet main body 7 is mutually clamped and fixed with the clamping plate 2-7 at the bottom of the mounting rack 2.
In this embodiment, the mounting bracket 2 is fixedly connected to the bottom of the chute 1 through screws.
During specific implementation, the L-shaped folded edges 2-5 are used for enhancing the frame strength of the mounting frame 2, so that the bottom plate of the mounting frame 2 is prevented from being deformed by screws, and the service life of the mounting frame 2 is prolonged.
In this embodiment, as shown in fig. 8, the slider 3 includes a slider base body 3-1, sliding portions 3-2 are disposed on two sides of the slider base body 3-1, a limiting portion 3-3 located above the sliding portion 3-2 is disposed at one end of the slider base body 3-1, a clamping portion 3-4 located at the bottom of the slider base body 3-1 is disposed at the other end of the slider base body 3-1, the slider 3 slides on the chute 1 through the sliding portion 3-2, and with reference to fig. 9, the slider 3 is clamped with a stainless steel sleeve 14, which is sleeved on the third shaft 13, through the clamping portion 3-4.
In this embodiment, the engaging portion 3-4 is a wedge shape with a large upper end and a small lower end.
In this embodiment, as shown in fig. 10, the tie bar 4 includes a first side plate 4-1 and a second side plate 4-2 that are integrally formed, and a connecting plate 4-3 connected between the first side plate 4-1 and the second side plate 4-2, the first side plate 4-1 and the second side plate 4-2 are symmetrically disposed, fifth holes 4-4 and sixth holes 4-5 are symmetrically formed on the first side plate 4-1 and the second side plate 4-2, respectively, and the first shaft 10 penetrates through the through hole 9, the fifth holes 4-4 and the first holes 2-1.
In specific implementation, the first shaft 10 can move horizontally in the first opening 2-1 to drive the pull rod 4 to move, so that the pull rod 4 can move horizontally, one end of the rectangular first opening 2-1, which is close to the electromagnet main body 7, is a closing control position, and the other end of the rectangular first opening 2-1 is an initial position.
In this embodiment, as shown in fig. 4, the middle elastic part 5-1, the first connecting part 5-2 and the second connecting part 5-3 of the torsion spring 5 are all two spiral structures arranged in parallel, the second shaft 12 penetrates through the first connecting part 5-2, the sixth opening 4-5 and the second opening 2-2, and the third shaft 13 penetrates through the second connecting part 5-3 and the third opening 2-3.
In specific implementation, the second shaft 12 can move in the second opening 2-2 in an L track to drive the torsion spring piece 5 to move, so that the torsion spring piece 5 is extruded and released, one end, far away from the horizontal part, of the vertical part of the L-shaped second opening 2-2 is a torsion spring release position, and one end, far away from the vertical part, of the horizontal part of the L-shaped second opening 2-2 is a torsion spring extrusion position; the third shaft 13 can move in the third opening 2-3 in the vertical direction, so as to drive the stainless steel sleeve 14 to move, and realize the clamping and releasing of the slide block 3, the upper end in the third opening 2-3 is a slide block clamping position, and the lower end in the third opening 2-3 is a slide block releasing position.
In this embodiment, as shown in fig. 11, the manual reset piece 6 includes a base portion, a pressing portion and a bending portion, the base portion includes a first base plate 6-1 and a second base plate 6-2 that are perpendicular to each other, the pressing portion includes a horizontally disposed pressing plate 6-3, the pressing plate 6-3 is connected to an upper end of the first base plate 6-1, the bending portion includes a first curved arm 6-4 and a second curved arm 6-5 that are symmetrically disposed, one end of the first curved arm 6-4 and one end of the second curved arm 6-5 are both connected to the second base plate 6-2, the other end of the first curved arm 6-4 and the other end of the second curved arm 6-5 are both bent upward to form a hook 6-6, and seventh openings 6-7 are disposed on the first curved arm 6-4 and the second curved arm 6-5, the fourth shaft 15 penetrates through the seventh opening 6-7 and the fourth opening 2-4, and a groove 6-8 which is positioned below the second shaft 12 is formed in the bent part and is close to the hook body 6-6.
In specific implementation, the fourth shaft 15 is a rotation central shaft of the manual reset piece 6, when the pressing plate 6-3 is pressed downwards, the first bent arm 6-4 and the second bent arm 6-5 at the bent part rotate upwards, and the hook body 6-6 drives the second shaft 12 in the groove 6-8 to reset from the torsion spring release position to the torsion spring extrusion position.
In this embodiment, the large end of the tower spring 11 presses against the wall surface of the electromagnet body 7 near the first shaft 10, and the small end of the tower spring 11 presses against the first shaft 10.
When a fire situation occurs and the fireproof door needs to be closed, the electromagnet main body 7 is electrified, the electromagnet shaft core 8 contracts to drive the first shaft 10 penetrating through the through hole 9, the fifth opening 4-4 and the first opening 2-1 to move in the horizontal direction, so that the first shaft 10 reaches the door closing control position from the initial position in the first opening 2-1 of the mounting frame 2, the pull rod piece 4 is driven to move in the horizontal direction, the horizontal direction of the pull rod piece 4 drives the second shaft 12 penetrating through the first connecting part 5-2, the sixth opening 4-5 and the second opening 2-2 to move in an L track, the second shaft 12 reaches the torsion spring release position from the torsion spring extrusion position in the second opening 2-2 of the mounting frame 2, and the third shaft 13 penetrating through the second connecting part 5-3 and the third opening 2-3 is driven to move downwards in the third opening 2-3 of the mounting frame 2, and the sliding block is clamped to reach a sliding block release position, so that the sliding block 3 is released by the stainless steel sleeve 14 sleeved on the third shaft 13.
When the fireproof door closer needs to be reset, the pressing part of the manual reset piece 6 is pressed downwards, the manual reset piece 6 rotates around the fourth shaft 15, the first bent arm 6-4 and the second bent arm 6-5 of the bent part rotate upwards, the hook body 6-6 drives the second shaft 12 positioned in the groove 6-8 to reset from the torsion spring release position to the torsion spring extrusion position, the torsion spring piece 5 is changed from the release state to the extrusion state, the second connecting part 5-3 of the torsion spring piece 5 moves upwards, the third shaft 13 penetrating through the second connecting part 5-3 and the third opening 2-3 is driven to reach the slide block clamping position from the slide block release position in the third opening 2-3 of the mounting frame 2, and the clamping of the stainless steel sleeve 14 sleeved on the third shaft 13 to the slide block 3 is realized; meanwhile, the second shaft 12 penetrating through the first connecting portion 5-2, the sixth opening 4-5 and the second opening 2-2 drives the pull rod 4 to move in the horizontal direction, and the horizontal direction of the pull rod 4 drives the first shaft 10 penetrating through the through hole 9, the fifth opening 4-4 and the first opening 2-1 to move in the horizontal direction, so that the first shaft 10 reaches the initial position from the door closing control position in the first opening 2-1 of the mounting frame 2, and the reset of the fireproof door closer is realized.
In the process, when the third shaft 13 drives the stainless steel sleeve 14 to reach the slide block clamping position, and the slide block 3 on the chute 1 is also positioned at the clamping position at the same time, the stainless steel sleeve 14 is directly clamped with the slide block 3; when the slide block 3 is still outside the clamping position, namely the stainless steel sleeve 14 reaches the clamping position first, the slide block 3 slides to the clamping position, and after the wedge-shaped clamping part 3-4 of the slide block 3 contacts with the stainless steel sleeve 14, the wedge-shaped clamping part 3-4 further forcibly extrudes the torsion spring 5 in an extrusion state, so that the slide block 3 reaches the clamping position.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a prevent fire door closer which characterized in that: the device comprises a sliding chute (1), an installation frame (2) arranged in the sliding chute (1) and a sliding block (3) which is arranged on the sliding chute (1) and can slide along the sliding chute (1), wherein an electromagnet assembly, a pull rod piece (4), a torsion spring piece (5) and a manual reset piece (6) are arranged in the installation frame (2); the electromagnet assembly comprises an electromagnet main body (7) fixed at the bottom of the mounting frame (2) and an electromagnet shaft core (8) arranged at the middle shaft of the electromagnet main body (7), one end of the electromagnet shaft core (8) is located in the electromagnet main body (7), a through hole (9) perpendicular to the length direction of the electromagnet shaft core (8) is formed in the other end of the electromagnet shaft core (8), a first shaft (10) is arranged in the through hole (9), the pull rod piece (4) is connected with the electromagnet shaft core (8) through the first shaft (10), a tower spring (11) is arranged between the first shaft (10) and the electromagnet main body (7), and the tower spring (11) is sleeved on the electromagnet shaft core (8); torsion spring spare (5) include middle elasticity portion (5-1), first connecting portion (5-2) and second connecting portion (5-3), be provided with secondary shaft (12) in first connecting portion (5-2), torsion spring spare (5) are connected with pull rod spare (4) through secondary shaft (12), be provided with third axle (13) in second connecting portion (5-3), the cover is equipped with stainless steel sleeve (14) on third axle (13), manual piece (6) that reset is connected on mounting bracket (2) through fourth axle (15).
2. The fire door closer of claim 1, wherein: the shape of mounting bracket (2) is the U-shaped, mounting bracket (2) have first trompil (2-1), second trompil (2-2), third trompil (2-3) and fourth trompil (2-4) along the symmetrical shaping respectively on two sides of length direction, the shape of first trompil (2-1) is the rectangle, the shape of second trompil (2-2) is fillet L shape, third trompil (2-3) are waist shape hole, the shape of fourth trompil (2-4) is circular, mounting bracket (2) all are provided with ascending L shape hem (2-5) along length direction's bottom plate both ends, the top symmetry of mounting bracket (2) is provided with limiting plate (2-6) that are used for locking slider (3).
3. The fire door closer of claim 1, wherein: the bottom symmetry of mounting bracket (2) is provided with block board (2-7) that are used for fixed electro-magnet main part (7), the one end that electro-magnet main part (7) are close to block board (2-7) is provided with block groove (7-1) corresponding with block board (2-7) shape, the other end of electro-magnet main part (7) is provided with horizontal extension portion (7-2), horizontal extension portion (7-2) are through screw fixed connection in mounting bracket (2) bottom.
4. The fire door closer of claim 1, wherein: the mounting rack (2) is fixedly connected to the bottom of the sliding chute (1) through screws.
5. The fire door closer of claim 1, wherein: the sliding block (3) comprises a sliding block base body (3-1), sliding portions (3-2) are arranged on two sides of the sliding block base body (3-1), a limiting portion (3-3) located above the sliding portion (3-2) is arranged at one end of the sliding block base body (3-1), a clamping portion (3-4) located at the bottom of the sliding block base body (3-1) is arranged at the other end of the sliding block base body (3-1), the sliding block (3) slides on the sliding groove (1) through the sliding portion (3-2), and the sliding block (3) is clamped with a stainless steel sleeve (14) sleeved on the third shaft (13) through the clamping portion (3-4).
6. The fire door closer of claim 5, wherein: the clamping parts (3-4) are wedge-shaped with large upper ends and small lower ends.
7. The fire door closer of claim 2, wherein: the pull rod piece (4) comprises a first side plate (4-1) and a second side plate (4-2) which are integrally formed, and a connecting plate (4-3) connected between the first side plate (4-1) and the second side plate (4-2), the first side plate (4-1) and the second side plate (4-2) are symmetrically arranged, a fifth hole (4-4) and a sixth hole (4-5) are symmetrically formed in the first side plate (4-1) and the second side plate (4-2) respectively, and a first shaft (10) penetrates through a through hole (9), the fifth hole (4-4) and the first hole (2-1).
8. The fire door closer of claim 7, wherein: middle elastic part (5-1), first connecting portion (5-2) and second connecting portion (5-3) of torsion spring spare (5) are two helical structure that set up side by side, second axle (12) run through first connecting portion (5-2), sixth trompil (4-5) and second trompil (2-2), third axle (13) run through second connecting portion (5-3) and third trompil (2-3).
9. The fire door closer of claim 7, wherein: the manual reset part (6) comprises an integrally formed base body part, a pressing part and a bending part, the base body part comprises a first base plate (6-1) and a second base plate (6-2) which are perpendicular to each other, the pressing part comprises a pressing plate (6-3) which is horizontally arranged, the pressing plate (6-3) is connected with the upper end of the first base plate (6-1), the bending part comprises a first bent arm (6-4) and a second bent arm (6-5) which are symmetrically arranged, one end of the first bent arm (6-4) and one end of the second bent arm (6-5) are both connected with the second base plate (6-2), the other end of the first bent arm (6-4) and the other end of the second bent arm (6-5) are both bent upwards to form a hook body (6-6), and seventh holes (opening) are formed in the first bent arm (6-4) and the second bent arm (6-5) 6-7), the fourth shaft (15) runs through the seventh open pore (6-7) and the fourth open pore (2-4), and a groove (6-8) located below the second shaft (12) is arranged on the bent part and close to the hook body (6-6).
10. The fire door closer of claim 1, wherein: the big end of the tower spring (11) is pressed against the wall surface of the electromagnet main body (7) close to the first shaft (10), and the small end of the tower spring (11) is pressed against the first shaft (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010232021.1A CN111206837B (en) | 2020-03-27 | 2020-03-27 | Fireproof door closer |
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| CN202010232021.1A CN111206837B (en) | 2020-03-27 | 2020-03-27 | Fireproof door closer |
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| CN111206837B true CN111206837B (en) | 2021-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111946189A (en) * | 2020-08-11 | 2020-11-17 | 王芬芬 | Fireproof door closing device |
| CN112854951B (en) * | 2021-01-11 | 2022-05-17 | 江苏荣夏安全科技有限公司 | Door closer sliding groove structure, explosion-proof door closer and normally-open fireproof door |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5934019A (en) * | 1997-07-18 | 1999-08-10 | The Chamberlain Group, Inc. | Mounting bracket for safety device employing beam path |
| WO2012139806A1 (en) * | 2011-04-13 | 2012-10-18 | Arturo Salice S.P.A. | An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge |
| JP2014231712A (en) * | 2013-05-30 | 2014-12-11 | 株式会社ベスト | Pull-out structure of sliding door |
| WO2015114526A1 (en) * | 2014-01-28 | 2015-08-06 | Came Group Spa | System for the motor-driven control of the movement of at least one leaf for opening and closing an opening at least partially, such as a window, obtained on a wall |
| CN105064855A (en) * | 2015-08-06 | 2015-11-18 | 苏州市富尔达科技股份有限公司 | Automatic door closing device for fire |
| CN105401826A (en) * | 2016-01-06 | 2016-03-16 | 成都鑫豪斯电子探测技术有限公司 | Fireproof door electric door closer |
| CN205297124U (en) * | 2015-12-21 | 2016-06-08 | 黎枝华 | Two accuse door closers of temperature electricity |
| CN107327241A (en) * | 2017-08-11 | 2017-11-07 | 上海冉能自动化科技有限公司 | Door closer-holder |
| CN207110780U (en) * | 2017-07-19 | 2018-03-16 | 上海冉能自动化科技有限公司 | Door closer Automatic-reset buckle structure |
| CN207960321U (en) * | 2017-11-16 | 2018-10-12 | 广东华棱安防科技有限公司 | A kind of temperature control release limiting device |
-
2020
- 2020-03-27 CN CN202010232021.1A patent/CN111206837B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5934019A (en) * | 1997-07-18 | 1999-08-10 | The Chamberlain Group, Inc. | Mounting bracket for safety device employing beam path |
| WO2012139806A1 (en) * | 2011-04-13 | 2012-10-18 | Arturo Salice S.P.A. | An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge |
| JP2014231712A (en) * | 2013-05-30 | 2014-12-11 | 株式会社ベスト | Pull-out structure of sliding door |
| WO2015114526A1 (en) * | 2014-01-28 | 2015-08-06 | Came Group Spa | System for the motor-driven control of the movement of at least one leaf for opening and closing an opening at least partially, such as a window, obtained on a wall |
| CN105064855A (en) * | 2015-08-06 | 2015-11-18 | 苏州市富尔达科技股份有限公司 | Automatic door closing device for fire |
| CN205297124U (en) * | 2015-12-21 | 2016-06-08 | 黎枝华 | Two accuse door closers of temperature electricity |
| CN105401826A (en) * | 2016-01-06 | 2016-03-16 | 成都鑫豪斯电子探测技术有限公司 | Fireproof door electric door closer |
| CN207110780U (en) * | 2017-07-19 | 2018-03-16 | 上海冉能自动化科技有限公司 | Door closer Automatic-reset buckle structure |
| CN107327241A (en) * | 2017-08-11 | 2017-11-07 | 上海冉能自动化科技有限公司 | Door closer-holder |
| CN207960321U (en) * | 2017-11-16 | 2018-10-12 | 广东华棱安防科技有限公司 | A kind of temperature control release limiting device |
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| CN111206837A (en) | 2020-05-29 |
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