CN111677432B - Fire-proof rolling shutter door - Google Patents
Fire-proof rolling shutter door Download PDFInfo
- Publication number
- CN111677432B CN111677432B CN202010365159.9A CN202010365159A CN111677432B CN 111677432 B CN111677432 B CN 111677432B CN 202010365159 A CN202010365159 A CN 202010365159A CN 111677432 B CN111677432 B CN 111677432B
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- Prior art keywords
- groove
- curtain
- handle
- sliding
- positioning
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
- E06B2009/785—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles by belts, straps, bands, tapes, cords, tassels
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a fireproof rolling door, which belongs to the technical field of rolling doors and comprises a curtain body, wherein a rolling box is fixedly arranged at the top of a door of the wall body, slide rails are fixedly arranged at two sides of the door of the wall body, slide grooves are formed in one opposite side of each slide rail, two sides of the curtain body are connected into the slide grooves in a sliding manner, the curtain body comprises a plurality of curtain pieces with the same structure, two handles are symmetrically arranged in the curtain piece at the bottommost part of the curtain body, accommodating grooves for accommodating the handles are formed in the curtain pieces, partition plates are fixedly arranged in the accommodating grooves of the curtain pieces, the accommodating grooves are divided into an upper chamber and a lower chamber by the partition plates, the length of each partition plate is smaller than that of each accommodating groove, each handle is accommodated in the lower chamber, a curtain abdicating groove is formed in the bottom of each curtain piece and is used for sliding out of the handles, a pull rope is fixedly arranged in each slide groove, and a limiting component is arranged in the upper chamber of each curtain piece; the sliding rail is provided with a driving mechanism for shifting the handle to move downwards, and the roller shutter door has the effect of facilitating small people to close the roller shutter door.
Description
Technical Field
The invention relates to the technical field of rolling doors, in particular to a fireproof rolling door.
Background
With the development of national modern construction, various types of industrial buildings are being developed rapidly, and in the process of construction, especially the prevention of fire is more and more emphasized by people. The fireproof rolling door is mainly used in fireproof subareas of various industrial, civil and public buildings, has special functions of fire prevention, smoke isolation, fire spread inhibition and personnel evacuation protection, and is widely applied to occasions with dense personnel, such as high-rise buildings, superstores and the like.
In addition, compared with a common rolling door, the fireproof rolling door has stricter requirements on fire resistance, and is required to meet the requirements of national standard TF3 fire resistance grade, and a fireproof rolling door with the fire resistance limit not less than 3 hours is a special fireproof rolling door with the temperature rise of the back fire surface as the judgment condition. The special-grade fireproof rolling shutter in the market can basically reach the minimum standard of special-grade fireproof requirements, and the existing special-grade fireproof rolling shutter comprises a single-rail single-curtain fireproof rolling shutter door, a double-rail double-curtain fireproof rolling shutter door, an aerial fog type fireproof rolling shutter door, an evaporative type fireproof rolling shutter door, an aerial fog type fireproof rolling shutter door and the like.
The prior art can refer to the Chinese patent with the publication number of CN107386941B, it discloses a fire-proof rolling shutter door, which comprises a guide rail, a curtain body and a winding device, wherein the curtain body is positioned in the guide rail, the winding device comprises a rolling shutter door machine and a scroll, a driving shaft of the rolling shutter door machine drives a scroll rotating shaft, the scroll is fixedly connected with the curtain body, wherein the curtain body comprises a supporting piece, a first curtain surface, a second curtain surface, a fireproof strip and a bottom beam, the first curtain surface is provided with a first inorganic fiber cotton, a first inorganic fiber cloth and a first silica gel cloth from the supporting piece to the outside in sequence, the second curtain surface is provided with a second inorganic fiber cotton, a second inorganic fiber cloth and a second silica gel cloth from the supporting piece to the outside in sequence, the first curtain surface and the second curtain surface are respectively positioned at two sides of the supporting piece, the fireproof strip is arranged between the supporting piece and the first curtain surface and also arranged between the supporting piece and the second curtain surface, and the bottom beam is connected between the bottom of the first curtain surface and the bottom of the second curtain surface.
The utility model discloses in exist following not enough: when the gate of installation fire prevention rolling slats door is higher, coiling mechanism sets up in the top of gate, when the rolling slats door rolling up on coiling mechanism, when needing to close the rolling slats door, to the less people of little son, the rolling slats door of not being convenient for to pull.
Disclosure of Invention
The invention aims to provide a fireproof rolling door, wherein a handle is arranged at the bottom of a curtain body, so that a small person can pull the curtain body conveniently, and the small person can close the rolling door conveniently.
The technical purpose of the invention is realized by the following technical scheme:
a fireproof rolling door comprises a curtain body which is vertically connected to the door opening of a wall in a sliding manner, a rolling box which is used for rolling and rolling the curtain body is fixedly arranged at the top of the wall body, which is positioned at the door opening, sliding rails are fixedly arranged at two sides of the wall body, sliding grooves are formed in one side, which is opposite to the sliding rails, of the wall body, the two sides of the curtain body are connected to the sliding grooves in a sliding manner, the curtain body comprises a plurality of curtain sheets which are in the same structure in an end-to-end connection manner, two handles are symmetrically arranged in the curtain sheet at the bottommost part of the curtain body, accommodating grooves used for accommodating the handles are formed in the curtain sheet, partition plates are fixedly arranged in the accommodating grooves of the curtain sheets, the accommodating grooves are divided into an upper chamber and a lower chamber by the partition plates, the length of the partition plates is smaller than that of the accommodating grooves, the handles are accommodated in the lower chamber, abdicating grooves are formed in the bottom of the curtain sheet and used for the handles to slide out, one end of each handle extends into the sliding groove and vertically slides along with the curtain body in the sliding grooves, a pull rope is fixedly arranged in the sliding groove and extends into the upper chamber, and a limiting component is arranged in the upper chamber of the curtain sheet; the limiting groove is vertically formed in the sliding groove of the sliding rail, the handle slides in the limiting groove, the limiting groove is vertically arranged in the sliding groove, the limiting groove upwards extends to the two-thirds position of the sliding groove from the bottom of the sliding groove, and a driving mechanism for stirring the handle to move downwards is arranged on the sliding rail.
By adopting the scheme, when the curtain sheet is rolled up, the handle moves upwards along with the curtain sheet, the handle moves in the sliding groove along with the curtain body, when the handle moves to the top of the limiting groove, the end part of the handle is blocked, namely, the roller cannot continue to slide upwards, the curtain sheet continues to move upwards, the handle is separated from the receding groove at the bottom of the curtain sheet, the end, connected with the handle, of the curtain sheet continues to move upwards along with the curtain sheet, the handle drives the positioning block to move towards the direction of the baffle, so that the positioning block compresses the compression spring onto the baffle, when the bottommost curtain sheet moves to the top of the doorway, the handle is obliquely arranged between the curtain sheet and the sliding rail, the handle plays a supporting role on the curtain sheet, when the curtain body needs to be pulled downwards, the driving mechanism downwards stirs the handle, so that the handle drives the curtain body to move downwards, namely, a small person can also be convenient to pull the curtain body to move downwards.
The invention is further configured to: spacing subassembly includes the locating piece, and locating piece fixed connection keeps away from the one end of handle in the stay cord, and the one end that the slide rail was kept away from to the baffle that lies in the holding tank has set firmly the movable pulley, and fixed connection has set firmly the baffle in the tip of handle behind the movable pulley is walked around to the stay cord, and the position that the baffle top is close to the movable pulley sets firmly, sets up the through-hole that supplies the stay cord to pass on the baffle.
Through adopting above-mentioned scheme, when the handle roll-off is stepped down the groove and the pulling stay cord slides to the cavity down, the stay cord pulling locating piece slides to the one end of baffle at last cavity, and the baffle is used for preventing the locating piece roll-off from going up the cavity, prevents promptly that stay cord and handle roll-off curtain piece completely, and movable pulley plays the effect of switching-over to the stay cord.
The invention is further configured to: the pull rope is sleeved with a compression spring, one end of the compression spring is fixedly connected to the positioning block, and the other end of the compression spring is fixedly connected to the baffle.
Through adopting above-mentioned scheme, when the handle roll-off curtain piece, the handle drives the direction motion of locating piece to the baffle, makes the locating piece compress compression spring to the baffle on, makes the handle gliding in-process in the spout more stable.
The invention is further configured to: and one end of the handle, which is far away from the positioning block, is fixedly provided with a roller which rolls in the limiting groove.
Through adopting above-mentioned scheme, when the handle drives the gyro wheel and slides in the spacing inslot, the gyro wheel will slide and become to roll, reduces the friction between handle and the slide rail, can also be convenient for the handle and slide in the spacing inslot.
The invention is further configured to: a positioning groove is formed in the sliding groove in the sliding rail and is positioned above the limiting groove; actuating mechanism is including setting up the push rod in the constant head tank, and the bottom of push rod is rotated and is connected on the slide rail, and the top of push rod is the free end, and the from bottom to top of push rod is to one side slope of curtain body, and the bilateral symmetry of slide rail has set firmly the locating lever, and the locating lever is vertical to be seted up and to have slided the groove, slides the inslot jointly and is connected with one and dials the moving axis, and the breach groove has been seted up along its length direction to the push rod, and breach groove slope setting promptly dials the moving axis and passes from the breach groove.
By adopting the scheme, when the curtain body needs to be pulled downwards, the shifting shaft slides downwards in the sliding groove, namely, the shifting shaft slides in the notch groove, namely, the push rod can be pushed to rotate around the hinged point of the push rod and the sliding rail to the direction of the curtain body, so that the handle is pushed to slide downwards, the curtain body can be pulled to slide downwards, and the shutter door can be closed by a small person conveniently.
The invention is further configured to: the top of the push rod is fixedly provided with a pulley, and the pulley rolls in the positioning groove.
Through adopting above-mentioned scheme, when the push rod overturns around its pin joint with the slide rail, the gyro wheel of push rod tip rolls in the constant head tank, reduces the friction of push rod and slide rail inner wall, can be convenient for the push rod motion in order to outwards promote the handle.
The invention is further configured to: the top of the opposite side of the positioning rod is fixedly provided with a positioning column, a return spring is arranged on the positioning column, the top of the return spring is fixedly connected to the positioning column, and the bottom of the return spring is fixedly connected to the bottom of the shifting shaft.
Through adopting above-mentioned scheme, when the shifting shaft that slides downwards, the shifting shaft drives the extension of reset spring, when the shifting shaft moved the sliding groove bottom portion of locating lever, unclamped the shifting shaft, and reset spring's shrink drives the shifting shaft and moves to the top of locating lever, drives the push rod simultaneously and resets to the constant head tank in.
In conclusion, the invention has the following beneficial effects:
1. the curtain piece at the bottommost part of the curtain body is symmetrically provided with two handles, a containing groove for containing the handles is formed in the curtain piece, a partition plate is fixedly arranged in the containing groove of the curtain piece and divides the containing groove into an upper chamber and a lower chamber, the length of the partition plate is smaller than that of the containing groove, the handles are contained in the lower chamber, the bottom of the curtain piece is provided with a abdicating groove for the handles to slide out, one end of each handle extends into the sliding groove and vertically slides in the sliding groove along with the curtain body, a pull rope is fixedly arranged in the sliding groove and extends into the upper chamber, and a limiting component is arranged in the upper chamber of the curtain piece; a limiting groove is vertically formed in a sliding groove of the sliding rail, a handle slides in the limiting groove, the limiting groove is vertically arranged in the sliding groove, the limiting groove extends upwards from the bottom of the sliding groove to two thirds of the position of the sliding groove, a driving mechanism for stirring the handle to move downwards is arranged on the sliding rail, when a curtain sheet is rolled upwards, the handle moves upwards along with the curtain sheet, the handle moves in the sliding groove along with the curtain body, when the handle moves to the top of the limiting groove, the end part of the handle is blocked, namely the roller cannot continuously slide upwards, the curtain sheet continuously moves upwards, the handle is separated from a abdicating groove at the bottom of the curtain sheet, one end of the curtain sheet connected with the handle continuously moves upwards along with the curtain sheet, the handle drives a positioning block to move towards the direction of the baffle plate, the positioning block compresses a compression spring onto the baffle plate, when the curtain sheet at the bottommost moves to the top of a doorway, the handle is obliquely arranged between the curtain sheet and the sliding rail, the handle has a supporting function on the curtain sheet, and when the curtain body needs to be pulled downwards, the driving mechanism pulls the handle downwards so that the handle drives the curtain body to move downwards, namely, a small person can also conveniently pull the curtain body to move downwards;
2. the positioning block is fixedly connected to one end, far away from the handle, of the pull rope, the movable pulley is fixedly arranged at one end, far away from the sliding rail, of the partition board in the containing groove, the pull rope is fixedly connected to the end portion of the handle after passing around the movable pulley, the baffle is fixedly arranged at the position, close to the movable pulley, of the top of the partition board, a through hole for the pull rope to pass through is formed in the baffle, when the handle slides out of the abdicating groove and pulls the pull rope to slide downwards in the cavity, the pull rope pulls the positioning block to slide towards one end of the baffle in the upper cavity, the baffle is used for preventing the positioning block from sliding out of the upper cavity, namely preventing the pull rope and the handle from completely sliding out of the curtain sheet, and the movable pulley plays a reversing role on the pull rope;
3. the positioning column is fixedly arranged at the top of one side, opposite to the positioning rod, of the positioning column, the reset spring is arranged on the positioning column, the top of the reset spring is fixedly connected onto the positioning column, the bottom of the reset spring is fixedly connected to the bottom of the shifting shaft, the shifting shaft slides downwards, the shifting shaft drives the reset spring to extend, when the shifting shaft moves to the bottom of the sliding groove of the positioning rod, the shifting shaft is loosened, the contraction of the reset spring drives the shifting shaft to move to the top of the positioning rod, and meanwhile the push rod is driven to reset into the positioning groove.
Drawings
FIG. 1 is an isometric view of an embodiment;
FIG. 2 is a schematic view of the construction of the lowermost curtain sheet of the curtain;
FIG. 3 is a cross-sectional view of the lowermost curtain panel of the curtain;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
FIG. 5 is an enlarged schematic view of section B of FIG. 3;
FIG. 6 is a schematic structural view of the curtain rolled in the rolling box;
FIG. 7 is an enlarged view of section C of FIG. 6;
fig. 8 is a schematic structural view of the drive mechanism.
In the figure, 1, a wall body; 11. a doorway; 2. a curtain body; 21. a curtain sheet; 22. accommodating grooves; 221. a partition plate; 222. an upper chamber; 223. a lower chamber; 23. a yielding groove; 24. pulling a rope; 25. a limiting component; 251. positioning blocks; 252. a baffle plate; 2521. a through hole; 253. a compression spring; 254. a movable pulley; 26. a handle; 261. a roller; 3. a coiling box; 4. a slide rail; 41. a chute; 42. a limiting groove; 43. positioning a groove; 5. a drive mechanism; 51. a push rod; 511. a notch groove; 512. a pulley; 52. positioning a rod; 521. a sliding groove; 522. a positioning column; 523. a return spring; 53. a shifting shaft.
Detailed Description
The utility model provides a fire prevention rolling slats door, see figure 1, including the curtain 2 of vertical sliding connection in the gate 11 department of wall body 1, the top that wall body 1 is located gate 11 has set firmly the rolling box 3 that carries out the rolling and unreel to curtain 2, the both sides that wall body 1 is located gate 11 have set firmly slide rail 4, spout 41 has been seted up to the relative one side of slide rail 4, the both sides of curtain 2 slide and connect in spout 41, spout 41 plays the guide effect to curtain 2, makes curtain 2 more stable at the in-process that slides.
Referring to fig. 2 and 3, the curtain body 2 comprises a plurality of curtain sheets 21 with the same structure, the curtain sheets 21 at the bottommost of the curtain body 2 are symmetrically provided with two handles 26, an accommodating groove 22 for accommodating the handles 26 is formed in each curtain sheet 21, a partition plate 221 is fixedly arranged in the accommodating groove 22 of each curtain sheet 21, the partition plate 221 divides the accommodating groove 22 into an upper cavity 222 and a lower cavity 223, the length of the partition plate 221 is smaller than that of the accommodating groove 22, each handle 26 is accommodated in the lower cavity 223, the bottom of each curtain sheet 21 is provided with a relief groove 23, each relief groove 23 is used for allowing the handles 26 to slide out, one end of each handle 26 extends into the sliding groove 41 and vertically slides in the sliding groove 41 along with the curtain body 2, a pull rope 24 is fixedly arranged in the sliding groove 41, each pull rope 24 extends into the upper cavity 222, and a limiting assembly 25 is arranged in the upper cavity 222 of each curtain sheet 21; when the curtain sheet 21 carries the handle 26 to slide upwards in the slide groove 41, the handle 26 is separated from the relief groove 23, and the handle 26 slides upwards in the slide groove 41.
Referring to fig. 4 and 5, the limiting assembly 25 includes a positioning block 251, the positioning block 251 is fixedly connected to one end of the pulling rope 24 away from the handle 26, a movable pulley 254 is fixedly disposed at one end of the partition plate 221 away from the slide rail 4 in the accommodating groove 22, the pulling rope 24 is fixedly connected to the end of the handle 26 after passing around the movable pulley 254, a baffle 252 is fixedly disposed at a position of the top of the partition plate 221 close to the movable pulley 254, and a through hole 2521 for the pulling rope 24 to pass through is formed in the baffle 252; when the pull handle 26 slides out of the relief groove 23 and pulls the pull rope 24 to slide into the lower cavity 223, the pull rope 24 pulls the positioning block 251 to slide towards one end of the baffle 252 in the upper cavity 222, the baffle 252 is used for preventing the positioning block 251 from sliding out of the upper cavity 222, namely preventing the pull rope 24 and the pull handle 26 from completely sliding out of the curtain piece 21, and the movable pulley 254 has a reversing function on the pull rope 24. A pressing spring 253 is sleeved on the pull rope 24, one end of the pressing spring 253 is fixedly connected to the positioning block 251, and the other end of the pressing spring 253 is fixedly connected to the baffle 252; when the handle 26 slides out of the curtain 21, the handle 26 drives the positioning block 251 to move towards the direction of the baffle 252, so that the positioning block 251 compresses the pressing spring 253 onto the baffle 252, and the process that the handle 26 slides in the sliding groove 41 is more stable.
Referring to fig. 6 and 7, a roller 261 is fixedly arranged at one end of the handle 26, which is far away from the positioning block 251, a limiting groove 42 is vertically arranged in the sliding groove 41 of the sliding rail 4, the roller 261 rolls in the limiting groove 42, the limiting groove 42 is vertically arranged in the sliding groove 41, the limiting groove 42 extends upwards from the bottom of the sliding groove 41 to two thirds of the position of the sliding groove 41, and a driving mechanism 5 for stirring the handle 26 to move downwards is arranged on the sliding rail 4; when the curtain piece 21 is rolled up, the handle 26 moves upwards along with the curtain piece 21, the roller 261 slides in the limiting groove 42, when the roller 261 slides to the top of the limiting groove 42, the roller 261 is blocked, that is, the roller 261 cannot slide upwards continuously, the curtain sheet 21 moves upwards continuously, the handle 26 is disengaged from the relief groove 23 at the bottom of the curtain sheet 21, the end of the curtain sheet 21 connected with the handle 26 moves upwards continuously along with the curtain sheet 21, the handle 26 drives the positioning block 251 to move towards the baffle 252, so that the positioning block 251 compresses the pressing spring 253 to the baffle 252, when the bottommost curtain sheet 21 moves to the top of the doorway 11, the handle 26 is obliquely arranged between the curtain sheet 21 and the sliding rail 4, the handle 26 supports the curtain sheet 21, and when the curtain body 2 needs to be pulled downwards, the driving mechanism 5 downwards dials the handle 26, so that the handle 26 drives the curtain body 2 to move downwards, that is, a small person can also conveniently pull the curtain body 2 to move downwards.
Referring to fig. 7 and 8, a positioning groove 43 is formed in the sliding groove 41 in the sliding rail 4, the positioning groove 43 is located above the limiting groove 42, the driving mechanism 5 includes a push rod 51 disposed in the positioning groove 43, the bottom of the push rod 51 is rotatably connected to the sliding rail 4, the top of the push rod 51 is a free end, the push rod 51 inclines from bottom to top to one side of the curtain body 2, positioning rods 52 are symmetrically and fixedly disposed on two sides of the sliding rail 4, a sliding groove 521 is vertically disposed on the positioning rod 52, a shifting shaft 53 is slidably connected in the sliding groove 521 together, the push rod 51 is provided with a notch groove 511 along the length direction thereof, that is, the notch groove 511 is obliquely disposed, and the shifting shaft 53 passes through the notch groove 511; when the curtain body 2 needs to be pulled downwards, the shifting shaft 53 slides downwards in the sliding groove 521, that is, the shifting shaft 53 slides in the notch groove 511, so that the push rod 51 can be pushed to rotate around the hinge point of the push rod and the slide rail 4 towards the direction of the curtain body 2, the handle 26 is pushed to slide downwards, that is, the curtain body 2 can be pulled to slide downwards, and therefore, a small person can close the rolling door conveniently. The top of the push rod 51 is fixedly provided with a pulley 512, the pulley 512 rolls in the positioning groove 43, when the push rod 51 turns around the hinge point of the push rod 51 and the slide rail 4, the roller 261 at the end of the push rod 51 rolls in the positioning groove 43, so as to reduce the friction between the push rod 51 and the inner wall of the slide rail 4, and facilitate the movement of the push rod 51 to push the handle 26 outwards.
The top of one side of the positioning rod 52 opposite to the positioning rod is fixedly provided with a positioning column 522, the positioning column 522 is provided with a return spring 523, the top of the return spring 523 is fixedly connected to the positioning column 522, and the bottom of the return spring 523 is fixedly connected to the bottom of the shifting shaft 53; when the shifting shaft 53 slides downwards, the shifting shaft 53 drives the return spring 523 to extend, when the shifting shaft 53 moves to the bottom of the sliding groove 521 of the positioning rod 52, the shifting shaft 53 is released, the shifting shaft 53 is driven to move to the top of the positioning rod 52 by the contraction of the return spring 523, and meanwhile, the push rod 51 is driven to return to the positioning groove 43.
The use principle is as follows: when the curtain body 2 is pushed upwards, the curtain body 2 slides in the sliding groove 41 of the sliding rail 4, and then the handle 26 in the curtain piece 21 is driven to move vertically in the sliding groove 41; when the handle 26 moves to the top of the limiting groove 42, the curtain sheet 21 continues to move upwards, the handle 26 is separated from the abdicating groove 23 at the bottom of the curtain sheet 21, one end of the curtain sheet 21 connected with the handle 26 continues to move upwards along with the curtain sheet 21, the handle 26 drives the positioning block 251 to move towards the direction of the baffle 252, so that the positioning block 251 compresses the compression spring 253 to the baffle 252, when the bottommost curtain sheet 21 moves to the top of the doorway 11, the handle 26 is obliquely arranged between the curtain sheet 21 and the sliding rail 4, and the handle 26 plays a supporting role for the curtain sheet 21; when the curtain body 2 needs to be pulled downwards, the shifting shaft 53 slides downwards in the sliding groove 521, that is, the shifting shaft 53 slides in the notch groove 511, so that the push rod 51 can be pushed to rotate around the hinge point of the push rod and the slide rail 4 towards the direction of the curtain body 2, the handle 26 is pushed to slide downwards, that is, the curtain body 2 can be pulled to slide downwards, and therefore, a small person can close the rolling door conveniently.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a fire prevention rolling slats door, includes vertical sliding connection in curtain body (2) of gate (11) department of wall body (1), the top that wall body (1) is located gate (11) has set firmly winding box (3) that carry out the rolling and unreel to curtain body (2), the both sides that wall body (1) is located gate (11) have set firmly slide rail (4), spout (41) have been seted up to one side that slide rail (4) are relative, the both sides of the curtain body (2) slide and connect in spout (41), its characterized in that:
the curtain body (2) comprises a plurality of curtain sheets (21) with the same structure, the curtain sheets (21) are connected end to end, two handles (26) are symmetrically arranged in the curtain sheet (21) at the bottommost part of the curtain body (2), an accommodating groove (22) for accommodating the handles (26) is formed in the curtain sheet (21), a partition plate (221) is fixedly arranged in the accommodating groove (22) of the curtain sheet (21), the accommodating groove (22) is divided into an upper chamber (222) and a lower chamber (223) by the partition plate (221), the length of the partition plate (221) is smaller than that of the accommodating groove (22), the handles (26) are accommodated in the lower chamber (223), an abdicating groove (23) is formed in the bottom of the curtain sheet (21), the abdicating groove (23) is used for the handles (26) to slide out, one end of each handle (26) extends into the sliding groove (41) and vertically slides along with the curtain body (2) in the sliding groove (41), and a pull rope (24) is fixedly arranged in the sliding groove (41), the pull rope (24) extends into the upper chamber (222), and a limiting component (25) is arranged in the upper chamber (222) of the curtain sheet (21);
a limiting groove (42) is vertically formed in a sliding groove (41) of the sliding rail (4), the handle (26) slides in the limiting groove (42), the limiting groove (42) is vertically arranged in the sliding groove (41), the limiting groove (42) extends upwards from the bottom of the sliding groove (41) to two thirds of the position of the sliding groove (41), and a driving mechanism (5) for stirring the handle (26) to move downwards is arranged on the sliding rail (4);
the limiting assembly (25) comprises a positioning block (251), the positioning block (251) is fixedly connected to one end, far away from the handle (26), of the pull rope (24), a movable pulley (254) is fixedly arranged at one end, far away from the sliding rail (4), of the partition plate (221) in the accommodating groove (22), the pull rope (24) is fixedly connected to the end portion of the handle (26) after bypassing the movable pulley (254), a baffle (252) is fixedly arranged at a position, close to the movable pulley (254), of the top of the partition plate (221), and a through hole for the pull rope (24) to pass through is formed in the baffle (252);
the pull rope (24) is sleeved with a pressing spring (253), one end of the pressing spring (253) is fixedly connected to the positioning block (251), and the other end of the pressing spring (253) is fixedly connected to the baffle (252).
2. A fire resistant roller door as claimed in claim 1, wherein: and one end of the handle (26) far away from the positioning block (251) is fixedly provided with a roller (261), and the roller (261) rolls in the limiting groove (42).
3. A fire resistant roller door as claimed in claim 1, wherein:
a positioning groove (43) is formed in the sliding groove (41) in the sliding rail (4), and the positioning groove (43) is positioned above the limiting groove (42);
actuating mechanism (5) is including setting up push rod (51) in constant head tank (43), the bottom rotation of push rod (51) is connected on slide rail (4), the top of push rod (51) is the free end, the one side slope of from bottom to top to curtain body (2) of push rod (51), the bilateral symmetry of slide rail (4) has set firmly locating lever (52), locating lever (52) are vertical to have seted up sliding groove (521), sliding is connected with one and dials moving axis (53) in groove (521) jointly, breach groove (511) have been seted up along its length direction in push rod (51), breach groove (511) slope sets up promptly, dial moving axis (53) and pass in following breach groove (511).
4. A fire resistant roller door as claimed in claim 3, wherein: the top of the push rod (51) is fixedly provided with a pulley (512), and the pulley (512) rolls in the positioning groove (43).
5. A fire resistant roller door as claimed in claim 3, wherein: the top of one side, opposite to the positioning rod (52), of the positioning rod is fixedly provided with a positioning column (522), a return spring (523) is arranged on the positioning column (522), the top of the return spring (523) is fixedly connected to the positioning column (522), and the bottom of the return spring is fixedly connected to the bottom of the shifting shaft (53).
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| CN202010365159.9A CN111677432B (en) | 2020-04-30 | 2020-04-30 | Fire-proof rolling shutter door |
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| CN202010365159.9A CN111677432B (en) | 2020-04-30 | 2020-04-30 | Fire-proof rolling shutter door |
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| CN111677432A CN111677432A (en) | 2020-09-18 |
| CN111677432B true CN111677432B (en) | 2021-10-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114893110B (en) * | 2022-06-25 | 2024-08-23 | 杭州康安消防设备有限公司 | Fireproof emergency control rolling shutter door |
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|---|---|
| CN111677432A (en) | 2020-09-18 |
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Denomination of invention: Fireproof rolling shutter door Effective date of registration: 20221025 Granted publication date: 20211022 Pledgee: Zhejiang Fuyang Rural Commercial Bank Co.,Ltd. Dayuan sub branch Pledgor: HANGZHOU KANG AN FIRE EQUIPMENT Co.,Ltd. Registration number: Y2022980019578 |