CN218844164U - Fire-proof rolling shutter door with positioning mechanism - Google Patents
Fire-proof rolling shutter door with positioning mechanism Download PDFInfo
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- CN218844164U CN218844164U CN202222562146.8U CN202222562146U CN218844164U CN 218844164 U CN218844164 U CN 218844164U CN 202222562146 U CN202222562146 U CN 202222562146U CN 218844164 U CN218844164 U CN 218844164U
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Abstract
The utility model discloses a fire-proof rolling shutter door with a positioning mechanism, which comprises a box body and brackets arranged at the two opposite sides of the lower end of the box body, wherein the upper end of the box body is provided with a hydraulic cylinder; more than one limiting buckle is arranged on the hydraulic oil cylinder; a first rotating shaft and a second rotating shaft which are connected in a linkage manner are arranged in the box body; the utility model discloses install slide bar and second slider in the spout, first slider and second slider surface set up the slide opening, and second slider sets up with first slider relatively from top to bottom, and the slide bar is installed in the slide opening, and the wheel components of conflict spout are installed to first slider side, and the relative both sides in spout upper end are provided with spacing spout; the two opposite sides of the second sliding block are provided with limiting sliding blocks which are arranged in the limiting sliding grooves; the sliding rod is sleeved with an elastic element, two ends of the elastic element respectively abut against the sliding groove and the second sliding block, and the elastic element absorbs impact of the first sliding block on the second sliding block, so that the service life of the second pulley and the limiting body is effectively prolonged.
Description
Technical Field
The utility model relates to a fire prevention rolling slats door technical field, concretely relates to fire prevention rolling slats door with positioning mechanism.
Background
The fire-proof rolling curtain is a fire-proof and heat-insulating facility suitable for large opening of building, the product adopts the built-in reel in design, has the characteristics of reasonable and compact structure, and is divided into common type and composite type according to the type of curtain plate;
in the prior art, as a fire-proof rolling shutter disclosed in a patent with a chinese patent publication No. CN211201675U, the fire-proof rolling shutter comprises a fire-proof rolling shutter body and a driving mechanism for driving the fire-proof rolling shutter body to roll and horizontally open, buried guide rails are symmetrically installed on two sides of the fire-proof rolling shutter body, the driving mechanism comprises a box body, a rolling door machine for fire-proof rolling shutter is installed on the right end of the box body, an output end of the rolling door machine is connected with a scroll, and the fire-proof rolling shutter body is wound and connected with the scroll;
the fire-proof rolling shutter in the above patent has the following disadvantages: the device directly drives the fire-proof rolling curtain body to roll and horizontally open through the motor, and when the fire-proof rolling curtain body needs to be closed, the fire-proof rolling curtain body needs to wait for the driving part of the motor to stop working, so that the fire-proof rolling curtain body cannot be easily closed and stopped at any time;
meanwhile, in the prior art, the closing and locking of the fire-proof rolling shutter is mostly realized through the power failure of the motor, a positioning mechanism is not independently arranged between the rolling shutter door and a door frame for installing the rolling shutter door, and when the fire-proof rolling shutter door is forcibly opened by external force, the motor can rotate due to the force applied to the motor, so that the rolling shutter door is opened.
When the door is opened, the handle on the door curtain is lifted upwards, and the door curtain is wound on the winding shaft along with the spring steel sheet under the rewinding force of the spring steel sheet.
However, when a user lifts the door curtain upwards, the door curtain is usually forced too hard, and the acting force of the spring steel sheet gives the upward acceleration of the door curtain, so that the door curtain can be heavily collided on the limiting iron sheet on the guide rail, the damage of the door curtain is accelerated, and the service life of the rolling door is shortened.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a fire-proof rolling shutter door with a positioning mechanism; the fire-proof rolling shutter door with the positioning mechanism can prevent the door curtain from being violently impacted when the door curtain moves upwards to the top end, avoid the damage of the door curtain and prolong the service life of the rolling shutter door.
The utility model discloses fire prevention rolling slats door with positioning mechanism realizes through following technical scheme: the hydraulic oil cylinder type hydraulic oil tank comprises a tank body and brackets arranged on two opposite sides of the lower end of the tank body, wherein the upper end of the tank body is provided with a hydraulic oil cylinder; more than one limiting buckle is arranged on the hydraulic oil cylinder;
a first rotating shaft and a second rotating shaft which are connected in a linkage manner are arranged in the box body; more than one limiting buckle slot is arranged on the surface of the first rotating shaft; the limiting buckle groove and the limiting buckle are arranged oppositely up and down;
a sliding groove is arranged on the side surface of the bracket; a fireproof rolling door is arranged between the brackets; one end of the fireproof rolling door is connected with the second rotating shaft, and the two opposite sides of the other end of the fireproof rolling door are provided with first sliding blocks; hall sensors are arranged on the upper side and the lower side of the sliding chute; the surface of the first sliding block is provided with a magnet which is arranged opposite to the Hall sensor.
As the preferred technical scheme, a motor is arranged on the surface of the box body, a first chain wheel is arranged on the first rotating shaft, and a second chain wheel is arranged on the second rotating shaft; a chain is arranged between the first chain wheel and the second chain wheel.
As the preferred technical scheme, a control panel is arranged on the surface of the bracket, and the hydraulic oil cylinder, the motor and the Hall sensor are all connected with the control panel;
the control panel is provided with an ascending switch, a descending switch and an oil cylinder start-stop button; and time relays connected with the Hall sensors are arranged on the ascending switch and the descending switch.
As the preferred technical scheme, a sliding rod and a second sliding block are arranged in the sliding groove; sliding holes are formed in the surfaces of the first sliding block and the second sliding block; the second sliding block and the first sliding block are arranged oppositely up and down;
the sliding rod is arranged in the sliding hole; a roller assembly abutting against the sliding chute is arranged on the side surface of the first sliding block; the two opposite sides of the upper end of the chute are provided with limiting chutes; limiting sliding blocks are arranged on two opposite sides of the second sliding block; the limiting sliding block is arranged in the limiting sliding groove;
the sliding rod is sleeved with an elastic element; two ends of the elastic element respectively abut against the sliding chute and the second sliding block.
The utility model has the advantages that: the hydraulic rolling door is characterized in that more than one limiting buckle is arranged on a hydraulic oil cylinder, a first rotating shaft and a second rotating shaft which are connected in a linkage mode are arranged in a box body, more than one limiting buckle groove is formed in the surface of the first rotating shaft, the limiting buckle groove and the limiting buckle are arranged in an up-down opposite mode, a sliding groove is formed in the side face of a support, a fireproof rolling door is arranged between the supports, one end of the fireproof rolling door is connected with the second rotating shaft, first sliding blocks are arranged on two opposite sides of the other end of the fireproof rolling door, hall sensors are arranged on the upper side and the lower side of the sliding groove, and magnets which are arranged opposite to the Hall sensors are arranged on the surface of the first sliding blocks; when the rolling shutter door moves upwards to be completely opened or moves downwards to be completely closed, the Hall sensor and the magnet are relatively sensed, the hydraulic oil cylinder controls the limiting buckle to move downwards, the limiting buckle groove and the limiting buckle are relatively locked, locking is achieved, and the rolling shutter door is prevented from being damaged by external force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the fire-proof rolling door with a positioning mechanism of the present invention;
FIG. 2 is a schematic view of a case;
FIG. 3 is a schematic view of a stent;
fig. 4 is a schematic view of a first slider.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
As shown in fig. 1-4, the fire-proof rolling shutter door with a positioning mechanism of the present invention comprises a box body 1 and brackets 2 installed at two opposite sides of the lower end of the box body 1, wherein a hydraulic cylinder 6 is installed at the upper end of the box body 1; more than one limiting buckle 25 is arranged on the hydraulic oil cylinder 6; a first rotating shaft 10 and a second rotating shaft 11 which are connected in a linkage manner are arranged in the box body 1; more than one limiting buckle groove 13 is formed in the surface of the first rotating shaft 10; the limiting buckle groove 13 and the limiting buckle 25 are arranged oppositely up and down; the side surface of the bracket 2 is provided with a sliding chute 4; a fireproof rolling door 3 is arranged between the brackets 2; one end of the fireproof rolling door 3 is connected with the second rotating shaft 11, and the two opposite sides of the other end are provided with first sliding blocks 19; hall sensors 24 are arranged on the upper side and the lower side of the sliding chute 4; the surface of the first sliding block 19 is provided with a magnet 230 which is arranged opposite to the Hall sensor 24, when the rolling shutter door moves upwards to be completely opened or downwards to be completely closed, the Hall sensor and the magnet sense relatively, the hydraulic oil cylinder controls the limiting buckle to move downwards, the limiting buckle groove and the limiting buckle are locked relatively, locking is achieved, and the rolling shutter door is prevented from being damaged by external force.
In this embodiment, the surface of the box body 1 is provided with a motor 7, a first chain wheel 8 is arranged on a first rotating shaft 10, and a second chain wheel 9 is arranged on a second rotating shaft 11; a chain 12 is arranged between the first chain wheel 8 and the second chain wheel 9; the first rotating shaft and the second rotating shaft are operated in a linkage mode through the chain.
In the embodiment, the surface of the bracket 2 is provided with a control panel 23, and the hydraulic oil cylinder 6, the motor 7 and the Hall sensor 24 are all connected with the control panel 23; an ascending switch, a descending switch and an oil cylinder starting and stopping button are arranged on the control panel 23; the rising switch and the falling switch are both provided with time relays connected with the Hall sensors 24;
the hydraulic cylinder is in a contraction state in an initial state, the Hall sensor and the magnet are relatively sensed under the condition that the rolling door and the bracket are completely opened, the limiting buckle groove and the limiting buckle are relatively locked, the descending switch is pressed down, the time relay is powered off after reaching standard time, the limiting buckle groove and the limiting buckle are unlocked, the motor controls the rolling door to move downwards until the rolling door and the bracket are completely closed, the Hall sensor and the magnet are relatively sensed, and the limiting buckle groove and the limiting buckle are relatively locked; otherwise, the opening is prevented from being consistent, and the control mode is realized by PLC programming.
In this embodiment, a sliding rod 18 and a second sliding block 15 are installed in the sliding groove 4; the surfaces of the first slide block 19 and the second slide block 15 are provided with slide holes 20; the second slide block 15 and the first slide block 19 are arranged up and down oppositely; the slide bar 18 is arranged in the slide hole 20; a roller assembly 22 abutting against the sliding chute 4 is arranged on the side surface of the first sliding block 19; the two opposite sides of the upper end of the sliding groove 4 are provided with limiting sliding grooves 17; two opposite sides of the second sliding block 15 are provided with limiting sliding blocks 16; the limiting slide block 16 is arranged in the limiting slide groove 17; the sliding rod 18 is sleeved with an elastic element 14; the two ends of the elastic element 14 abut against the sliding slot 4 and the second slider 15, respectively.
The utility model has the advantages that: a sliding rod and a second sliding block are arranged in the sliding groove, sliding holes are formed in the surfaces of the first sliding block and the second sliding block, the second sliding block and the first sliding block are arranged in an up-down opposite mode, the sliding rod is arranged in the sliding holes, a roller assembly abutting against the sliding groove is arranged on the side face of the first sliding block, and limiting sliding grooves are formed in the two opposite sides of the upper end of the sliding groove; limiting sliding blocks are arranged on two opposite sides of the second sliding block and are arranged in the limiting sliding grooves; the slide bar is sleeved with an elastic element, two ends of the elastic element respectively abut against the sliding groove and the second sliding block, and the elastic element absorbs the impact of the first sliding block on the second sliding block, so that the service life of the second pulley and the limiting body is effectively prolonged.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a fire prevention rolling slats door with positioning mechanism, includes box (1) and installs in support (2) of the relative both sides of box (1) lower extreme, its characterized in that: the upper end of the box body (1) is provided with a hydraulic oil cylinder (6); more than one limiting buckle (25) is arranged on the hydraulic oil cylinder (6);
a first rotating shaft (10) and a second rotating shaft (11) which are connected in a linkage manner are arranged in the box body (1); more than one limiting buckle groove (13) is arranged on the surface of the first rotating shaft (10); the limiting buckle groove (13) and the limiting buckle (25) are arranged oppositely up and down;
a sliding groove (4) is arranged on the side surface of the bracket (2); a fireproof rolling door (3) is arranged between the brackets (2); one end of the fire-proof rolling door (3) is connected with the second rotating shaft (11), and the opposite two sides of the other end are provided with first sliding blocks (19); hall sensors (24) are arranged on the upper side and the lower side of the sliding chute (4); the surface of the first sliding block (19) is provided with a magnet (230) which is arranged opposite to the Hall sensor (24).
2. A fire resistant rolling door with locating mechanism as claimed in claim 1, wherein: a motor (7) is arranged on the surface of the box body (1), a first chain wheel (8) is arranged on the first rotating shaft (10), and a second chain wheel (9) is arranged on the second rotating shaft (11); a chain (12) is arranged between the first chain wheel (8) and the second chain wheel (9).
3. A fire resistant roller door with positioning mechanism as claimed in claim 1, wherein: a control panel (23) is arranged on the surface of the support (2), and the hydraulic oil cylinder (6), the motor (7) and the Hall sensor (24) are all connected with the control panel (23);
an ascending switch, a descending switch and an oil cylinder starting and stopping button are arranged on the control panel (23); and time relays connected with Hall sensors (24) are arranged on the ascending switch and the descending switch.
4. A fire resistant roller door with positioning mechanism as claimed in claim 1, wherein: a sliding rod (18) and a second sliding block (15) are arranged in the sliding groove (4); sliding holes (20) are formed in the surfaces of the first sliding block (19) and the second sliding block (15); the second sliding block (15) and the first sliding block (19) are arranged oppositely up and down;
the sliding rod (18) is arranged in the sliding hole (20); a roller component (22) abutting against the sliding chute (4) is arranged on the side surface of the first sliding block (19); the two opposite sides of the upper end of the sliding groove (4) are provided with limiting sliding grooves (17); limiting sliding blocks (16) are arranged on two opposite sides of the second sliding block (15); the limiting slide block (16) is arranged in the limiting slide groove (17);
the sliding rod (18) is sleeved with an elastic element (14); two ends of the elastic element (14) respectively abut against the sliding chute (4) and the second sliding block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222562146.8U CN218844164U (en) | 2022-09-27 | 2022-09-27 | Fire-proof rolling shutter door with positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222562146.8U CN218844164U (en) | 2022-09-27 | 2022-09-27 | Fire-proof rolling shutter door with positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218844164U true CN218844164U (en) | 2023-04-11 |
Family
ID=87283942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222562146.8U Active CN218844164U (en) | 2022-09-27 | 2022-09-27 | Fire-proof rolling shutter door with positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218844164U (en) |
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2022
- 2022-09-27 CN CN202222562146.8U patent/CN218844164U/en active Active
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