High-safety fireproof rolling shutter door

Abstract

The utility model relates to the technical field of roller shutter doors, and discloses a high-safety fireproof roller shutter door which solves the problem that an existing roller shutter door is poor in fireproof effect and comprises a door frame, a roller shutter door body is arranged on the inner side of the door frame, a fixing mechanism is arranged at the bottom of the roller shutter door body, and the fixing mechanism comprises a bottom plate fixed to the bottom of the roller shutter door body. Two side plates are symmetrically and fixedly connected to the outer side of the bottom plate, two positioning plates are symmetrically and fixedly connected to the inner side of the door frame, the two positioning plates are sleeved with the two side plates respectively, ejector rods are fixedly connected to the tops of the side plates, ejector blocks are fixedly connected to the top ends of the ejector rods, and sliding plates movably sleeve the outer sides of the ejector rods. Springs are fixedly connected between the sliding plates and the side plates and arranged on the outer sides of the ejector rods in a sleeving mode, and connecting shafts are rotationally connected to the bottoms of the sliding plates. According to the roller shutter door, the bottom plate can be fixed to prevent the roller shutter door body from being turned over, and therefore the fireproof effect of the roller shutter door body can be improved conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rolling shutter door, concretely is a kind of high security fireproof rolling shutter door. BACKGROUND

[0002] Rolling shutter door is with multiple joint activities door piece series connection together, in fixed slide, rolling shutter door is usually widely used in shop, and rolling shutter door is used as wall to play horizontal partition function, and it is generally installed in the part that is not convenient to adopt wall partition, when rolling shutter door is installed, the door can be rotated up and down around the reel in the upper part of the door, and it can be pulled sideways when installed sideways, according to opening type, rolling shutter door can be divided into manual rolling shutter and electric rolling shutter, manual rolling shutter, by the torsional spring balance force on the center shaft of rolling shutter, the purpose of manually pulling rolling shutter is achieved.

[0003] The existing rolling shutter door generally does not have a ground beam, even if there is a ground beam, there is also a lack of fixing device between the ground beam and the lower door frame, so that if a fire occurs, the negative pressure formed at the fire scene can easily overturn the entire fireproof rolling shutter, so that it loses the fireproof function. CONTENT OF THE UTILITY MODEL

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high security fireproof rolling shutter door, which effectively solves the problem of poor fireproof effect of the current rolling shutter door.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high security fireproof rolling shutter door, including door frame, the inner side of door frame is equipped with rolling shutter door main body, the bottom of rolling shutter door main body is equipped with fixed mechanism;

[0006] The fixed mechanism includes a bottom plate fixed to the bottom of the rolling shutter door main body, the outer side of the bottom plate is fixedly connected with two side plates, the inner side of the door frame is fixedly connected with two positioning plates, the two side plates are respectively sleeved on the outer side of the two positioning plates, the top of the side plate is fixedly connected with a top rod, the top end of the top rod is fixedly connected with a top block, the outer side of the top rod is movably sleeved with a sliding plate, the sliding plate and the side plate are fixedly connected with a spring, the spring is sleeved on the outer side of the top rod, the bottom of the sliding plate is rotatably connected with a connecting shaft, the bottom end of the connecting shaft is fixedly connected with a limiting plate, the connecting shaft penetrates through the side plate and is movably connected with the side plate, and the limiting plate is attached to the bottom of the positioning plate.

[0007] Preferably, the bottom of the positioning plate is fixedly connected with a bottom column, and the limiting plate is sleeved on the outer side of the bottom column.

[0008] Preferably, a bidirectional screw rod is rotatably connected between the two side plates, a rotating disc is fixedly sleeved on the outer middle portion of the bidirectional screw rod, two L-shaped plates are symmetrically screwedly sleeved on the outer side of the bidirectional screw rod, and the two L-shaped plates are respectively attached to the bottom of the two limiting plates.

[0009] Preferably, the outer side of the bottom plate is provided with a sliding groove, the outer side of the two L-shaped plates is fixedly connected with a sliding block, and the two sliding blocks are slidably connected with the sliding groove.

[0010] Preferably, the inner side of the L-shaped plate is fixedly connected with an abutting plate, and the abutting plate abuts against the limiting plate.

[0011] Preferably, the outer side of the abutting plate is fixedly connected with an insertion block, and the outer side of the limiting plate is provided with an insertion slot, and the insertion block is inserted into the insertion slot.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. Through the cooperation between the jacks, the sliding plates, the springs and the connecting shafts, the limiting plate can be sleeved on the outer side of the bottom column and abut against the bottom of the positioning plate, the side plate and the positioning plate can be fixed, the bottom plate can be fixed to avoid the rolling slats door body from being overturned, and the fireproof effect of the rolling slats door body is improved.

[0014] 2. Through the cooperation between the rotating disc, the bidirectional screw rod, the sliding block and the sliding groove, the L-shaped plate and the abutting plate can be horizontally moved to abut against the limiting plate, the insertion block can be inserted into the insertion slot to limit the limiting plate, and the stability of the rolling slats door body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a high safety fireproof rolling slats door structure schematic view of the utility model;

[0018] Figure 2 It is a fixing mechanism structure schematic view of the utility model;

[0019] Figure 3 It is a side plate structure schematic view of the utility model;

[0020] Figure 4 It is an L-shaped plate structure schematic view of the utility model;

[0021] Figure 5 It is a bottom plate structure schematic view of the utility model.

[0022] In the figure: 1, door frame; 2, fixing mechanism; 201, bottom plate; 202, side plate; 203, L-shaped plate; 204, rotating disc; 205, bidirectional screw rod; 206, positioning plate; 207, bottom column; 208, limiting plate; 209, slot; 2010, spring; 2011, top rod; 2012, top block; 2013, sliding plate; 2014, connecting shaft; 2015, sliding block; 2016, plug block; 2017, abutting plate; 2018, sliding groove; 3, roller shutter door body. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment one, by Figure 1 The utility model relates to a kind of high security fireproof roller shutter doors, including door frame 1, the inner side of door frame 1 is equipped with roller shutter door body 3, the bottom of roller shutter door body 3 is equipped with fixing mechanism 2.

[0025] Specifically, by Figures 2-3 Give, fixing mechanism 2 includes the bottom plate 201 fixed in the bottom of roller shutter door body 3, the outer side of bottom plate 201 is fixedly connected with two side plates 202 symmetrically, the inner side of door frame 1 is fixedly connected with two positioning plates 206 symmetrically, two side plates 202 are respectively set on the outer side of two positioning plates 206, the top of side plate 202 is fixedly connected with top rod 2011, the top end of top rod 2011 is fixedly connected with top block 2012, the outer side of top rod 2011 is movably sleeved with sliding plate 2013, sliding plate 2013 and side plate 202 are fixedly connected with spring 2010, spring 2010 is set on the outer side of top rod 2011, the bottom of sliding plate 2013 is rotatably connected with connecting shaft 2014, the bottom end of connecting shaft 2014 is fixedly connected with limiting plate 208, connecting shaft 2014 penetrates side plate 202 and is movably connected with side plate 202, limiting plate 208 is attached to the bottom of positioning plate 206, the bottom of positioning plate 206 is fixedly connected with bottom column 207, limiting plate 208 is set on the outer side of bottom column 207;

[0026] In use, first, when the roller shutter door body 3 is closed, the two side plates 202 are respectively sleeved outside the two positioning plates 206, then the limiting plate 208 is moved downward, the sliding plate 2013 is driven to slide downward along the top rod 2011 through the connecting shaft 2014, at this time, the spring 2010 is compressed, then the limiting plate 208 is rotated to be below the positioning plate 206, then the limiting plate 208 is sleeved outside the bottom column 207 under the elastic force of the spring 2010, until the limiting plate 208 abuts against the bottom of the positioning plate 206, the side plate 202 and the positioning plate 206 are fixed, finally, the roller shutter door body 3 is prevented from being overturned to improve the fireproof effect.

[0027] Specifically, by Figures 4-5 It is given that the two side plates 202 are rotationally connected with the bidirectional screw rod 205, the outer middle part of the bidirectional screw rod 205 is fixedly sleeved with the rotating disc 204, the outer side of the bidirectional screw rod 205 is symmetrically threadedly sleeved with the two L-shaped plates 203, the two L-shaped plates 203 are respectively attached to the bottom of the two limiting plates 208, the outer side of the bottom plate 201 is provided with the sliding groove 2018, the outer side of each of the two L-shaped plates 203 is fixedly connected with the sliding block 2015, each of the two sliding blocks 2015 is slidably connected with the sliding groove 2018, the inner side of the L-shaped plate 203 is fixedly connected with the abutting plate 2017, the abutting plate 2017 abuts against the limiting plate 208, the outer side of the abutting plate 2017 is fixedly connected with the plug block 2016, the outer side of the limiting plate 208 is provided with the plug groove 209, and the plug block 2016 is inserted into the plug groove 209;

[0028] In use, first, the rotating disc 204 is rotated to drive the bidirectional screw rod 205 to rotate, since the sliding block 2015 is slidably connected with the sliding groove 2018, the L-shaped plate 203 is guided to move along the length direction of the bidirectional screw rod 205, and the abutting plate 2017 is driven to move, until the L-shaped plate 203 and the abutting plate 2017 abut against the limiting plate 208, at this time, the plug block 2016 is inserted into the plug groove 209 to limit the limiting plate 208, finally, the stability of the roller shutter door body 3 is ensured.

Claims

1. A high-safety fireproof roller shutter door, comprising a door frame (1), an inner side of the door frame (1) being provided with a roller shutter door body (3), characterized in that: The bottom of the rolling door body (3) is provided with a fixing mechanism (2); The fixing mechanism (2) comprises a bottom plate (201) fixed to the bottom of the rolling door body (3), two side plates (202) fixedly connected to the outer sides of the bottom plate (201) in a symmetrical manner, two positioning plates (206) fixedly connected to the inner sides of the door frame (1) in a symmetrical manner, the two side plates (202) being respectively sleeved on the outer sides of the two positioning plates (206), a top rod (2011) fixedly connected to the top of the side plate (202), a top block (2012) fixedly connected to the top end of the top rod (2011), a sliding plate (2013) movably sleeved on the outer side of the top rod (2011), a spring (2010) fixedly connected between the sliding plate (2013) and the side plate (202) and sleeved on the outer side of the top rod (2011), a connecting shaft (2014) rotatably connected to the bottom of the sliding plate (2013), a limiting plate (208) fixedly connected to the bottom end of the connecting shaft (2014), the connecting shaft (2014) penetrating through the side plate (202) and movably connected with the side plate (202), and the limiting plate (208) abutting against the bottom of the positioning plate (206).

2. The high security fire shutter door according to claim 1, wherein: The bottom of the positioning plate (206) is fixedly connected with a bottom column (207), and the limiting plate (208) is sleeved on the outer side of the bottom column (207).

3. The high security fire shutter door according to claim 1, wherein: The two side plates (202) are rotatably connected with a bidirectional screw rod (205), the outer middle part of the bidirectional screw rod (205) is fixedly sleeved with a rotating disc (204), and the outer sides of the bidirectional screw rod (205) are symmetrically and threadedly sleeved with two L-shaped plates (203), and the two L-shaped plates (203) respectively abut against the bottoms of the two limiting plates (208).

4. The high security fire shutter door according to claim 1, wherein: The outer side of the bottom plate (201) is provided with a sliding groove (2018), and the outer sides of the two L-shaped plates (203) are fixedly connected with sliding blocks (2015), and the two sliding blocks (2015) are slidably connected with the sliding groove (2018).

5. The high security fire shutter door according to claim 3, wherein: The inner side of the L-shaped plate (203) is fixedly connected with an abutting plate (2017), and the abutting plate (2017) abuts against the limiting plate (208).

6. The high security fire shutter door according to claim 5, wherein: The outer side of the abutting plate (2017) is fixedly connected with an insertion block (2016), and the outer side of the limiting plate (208) is provided with an insertion groove (209), and the insertion block (2016) is inserted into the insertion groove (209).

Images