CN209908373U - Locking device for preventing roller shutter door from sliding downwards - Google Patents

Abstract

The utility model discloses a locking device that glides is prevented to shutter door, including two door limits, slidable mounting has same shutter door body between two door limits, and the equal slidable mounting in one side that two door limits are close to each other has the sliding seat, movable mounting has the fixed pin on the sliding seat, one side welding of sliding seat has the fixing base, fixed chamber has been seted up on the fixing base, fixed mounting has the motor on the bottom side inner wall in fixed chamber, the welding has first gear on the output shaft of motor, rotate on the top side inner wall in fixed chamber and install the dwang, the bottom welding of dwang has the second gear, and the second gear meshes with first gear mutually, the welding has first sprocket on the dwang, and the meshing has the chain on the first sprocket, rotate on the top side inner wall in fixed chamber and install the threaded rod, the welding has the second sprocket on the threaded rod. The utility model discloses be convenient for fixed shutter door body, weaving shutter door body gliding, simple structure, convenient to use.

Description

Locking device for preventing roller shutter door from sliding downwards

Technical Field

The utility model relates to a shutter door technical field especially relates to a locking device that glides is prevented to shutter door.

Background

Rolling doors, also known as "tambour doors", are doors that have a plurality of articulated flaps connected in series and rotate up and down in fixed slides about a roller above the door. The rolling gate (gate) is suitable for public places or houses such as commercial door faces, garages, markets, hospitals, factories and mines and enterprises, and particularly plays a role in conveniently and quickly opening places with large door openings and inconvenient installation of ground door bodies. Such as garage doors, fire-proof rolling doors for stores, aircraft garage doors.

The rolling gate is lack of a locking device after being opened, is easy to slide downwards and is not beneficial to use, so the rolling gate anti-sliding locking device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a locking device for preventing the roller shutter from sliding downwards.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a roll-up gate anti-gliding locking device comprises two gate edges, wherein the same roll-up gate body is slidably mounted between the two gate edges, one side of each two gate edges, which is close to each other, is provided with a sliding seat in a sliding manner, a fixing pin is movably mounted on the sliding seat, one side of the sliding seat is welded with a fixing seat, a fixing cavity is formed in the fixing seat, a motor is fixedly mounted on the inner wall of the bottom side of the fixing cavity, a first gear is welded on an output shaft of the motor, a rotating rod is rotatably mounted on the inner wall of the top side of the fixing cavity, a second gear is welded at the bottom end of the rotating rod, the second gear is meshed with the first gear, a first chain wheel is welded on the rotating rod, a chain is meshed with the first chain wheel, a threaded rod is rotatably mounted on the inner wall of the top side of the fixing cavity, a second, the bottom threaded connection of threaded rod has the screw thread piece, and screw thread piece slidable mounting is on one side inner wall in fixed chamber, the bottom welding of screw thread piece has the dead lever, the fixed pin extends to one of fixed chamber and serves and has seted up the fixed orifices, dead lever movable mounting is in the fixed orifices.

Preferably, the sliding seat is provided with a clamping groove with two sides being open, the two sides of the door edge are welded with first sliding rails, the inner walls of the two sides of the clamping groove are welded with first sliding blocks, and the two first sliding blocks are respectively slidably mounted on the two first sliding rails.

Preferably, the sliding holes are formed in the two sides of the sliding seat, the sliding holes are formed in the two sides of the door edge, and the fixing pins are movably mounted in the sliding holes and the sliding holes respectively.

Preferably, a first rotating groove is formed in the inner wall of the top side of the fixed cavity, the rotating rod is rotatably installed in the first rotating groove, a first bearing is fixedly installed in the first rotating groove, and the first bearing is sleeved on the rotating rod.

Preferably, a second rotating groove is formed in the inner wall of the top side of the fixed cavity, the threaded rod is rotatably installed in the second rotating groove, a second bearing is fixedly installed in the second rotating groove, and the second bearing is sleeved on the threaded rod.

Preferably, a second sliding rail is welded on the inner wall of one side, close to the sliding seat, of the fixed cavity, a second sliding block is welded on one side of the threaded block, and the second sliding block is slidably mounted on the second sliding rail.

Compared with the prior art, the beneficial effects of the utility model are that: through the matching of the motor, the first gear, the rotating rod, the second gear, the first chain wheel, the chain, the threaded rod, the second chain wheel, the threaded block, the fixed rod and the fixed hole, the output shaft of the motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating rod to rotate, the rotating rod drives the first chain wheel to rotate, the first chain wheel drives the chain to move, the chain drives the second chain wheel to rotate, the second chain wheel drives the threaded rod to rotate, the threaded rod drives the threaded block to move, the threaded block drives the fixed rod to move into the fixed hole,

the utility model discloses be convenient for fixed shutter door body, weaving shutter door body gliding, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of a downward-sliding prevention locking device of a rolling door of the present invention;

FIG. 2 is a schematic side view of the anti-sliding locking device of the rolling door of the present invention;

fig. 3 is a schematic structural diagram of a portion a of the anti-sliding locking device of the rolling door according to the present invention.

In the figure: 1 door limit, 2 shutter door bodies, 3 sliding seats, 4 fixed pins, 5 fixing seats, 6 fixed cavities, 7 motors, 8 first gears, 9 rotating rods, 10 second gears, 11 first chain wheels, 12 chains, 13 threaded rods, 14 second chain wheels, 15 threaded blocks, 16 fixed rods and 17 fixed holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a locking device for preventing the roll-up door from sliding down comprises two door edges 1, a same roll-up door body 2 is slidably mounted between the two door edges 1, a sliding seat 3 is slidably mounted on one side of the two door edges 1 close to each other, a fixed pin 4 is movably mounted on the sliding seat 3, a fixed seat 5 is welded on one side of the sliding seat 3, a fixed cavity 6 is arranged on the fixed seat 5, a motor 7 is fixedly mounted on the inner wall of the bottom side of the fixed cavity 6, a first gear 8 is welded on the output shaft of the motor 7, a rotating rod 9 is rotatably mounted on the inner wall of the top side of the fixed cavity 6, a second gear 10 is welded at the bottom end of the rotating rod 9, the second gear 10 is meshed with the first gear 8, a first chain wheel 11 is welded on the rotating rod 9, a chain 12 is meshed on the first chain wheel 11, a threaded rod 13 is rotatably mounted on, the second chain wheel 14 is in transmission connection with the first chain wheel 11 through a chain 12, a thread block 15 is in threaded connection with the bottom end of the threaded rod 13, the thread block 15 is slidably mounted on the inner wall of one side of the fixed cavity 6, a fixed rod 16 is welded at the bottom of the thread block 15, a fixed hole 17 is formed in one end, extending to the fixed cavity 6, of the fixed pin 4, the fixed rod 16 is movably mounted in the fixed hole 17, through the matching of the motor 7, the first gear 8, the rotating rod 9, the second gear 10, the first chain wheel 11, the chain 12, the threaded rod 13, the second chain wheel 14, the thread block 15, the fixed rod 16 and the fixed hole 17, the output shaft of the motor 7 drives the first gear 8 to rotate, the first gear 8 drives the second gear 10 to rotate, the second gear 10 drives the rotating rod 9 to rotate, the rotating rod 9 drives the first chain wheel 11 to rotate, the first chain wheel 11 drives, second sprocket 14 drives threaded rod 13 and rotates, and threaded rod 13 drives screw block 15 and removes, and screw block 15 drives dead lever 16 and removes to fixed orifices 17 in, the utility model discloses be convenient for fixed shutter door body 2 prevents shutter door body 2 gliding, simple structure, convenient to use.

In the utility model, a clamping groove with two open sides is arranged on a sliding seat 3, first sliding rails are welded on two sides of a door edge 1, first sliding blocks are welded on inner walls of two sides of the clamping groove, the two first sliding blocks are respectively arranged on the two first sliding rails in a sliding way, sliding holes are arranged on two sides of the sliding seat 3, sliding holes are arranged on two sides of the door edge, a fixed pin 4 is respectively arranged in the sliding holes and the sliding holes in a movable way, a first rotating groove is arranged on the inner wall of the top side of a fixed cavity 6, a rotating rod 9 is arranged in the first rotating groove in a rotating way, a first bearing is fixedly arranged in the first rotating groove, the first bearing is arranged on the rotating rod 9, a second rotating groove is arranged on the inner wall of the top side of the fixed cavity 6, a threaded rod 13 is arranged in the second rotating groove in a rotating way, a second bearing is fixedly arranged in the second rotating groove, the second bearing is arranged on the threaded rod 13, one side of the thread block 15 is welded with a second slide block which is arranged on a second slide rail in a sliding way, through motor 7, first gear 8, dwang 9, second gear 10, first sprocket 11, chain 12, threaded rod 13, second sprocket 14, threaded block 15, the cooperation of dead lever 16 and fixed orifices 17, the output shaft of motor 7 drives first gear 8 and rotates, first gear 8 drives second gear 10 and rotates, second gear 10 drives dwang 9 and rotates, dwang 9 drives first sprocket 11 and rotates, first sprocket 11 drives chain 12 and removes, chain 12 drives second sprocket 14 and rotates, second sprocket 14 drives threaded rod 13 and rotates, threaded rod 13 drives threaded block 15 and removes, threaded block 15 drives dead lever 16 and removes to the fixed orifices 17 in, the utility model discloses be convenient for fixed shutter door body 2 prevents shutter door body 2 gliding, simple structure, convenient to use.

The working principle is as follows: after the rolling gate body 2 is opened, the sliding seat 3 is moved to the bottom of the rolling gate body 2, the fixing pin 4 is moved into the fixing cavity 6 from the sliding hole and the sliding hole, then the motor 7 is started, the output shaft of the motor 7 drives the first gear 8 to rotate, the first gear 8 is meshed with the second gear 10, the first gear 8 drives the second gear 10 to rotate, the second gear 10 drives the rotating rod 9 to rotate, the rotating rod 9 drives the first chain wheel 11 to rotate, the first chain wheel 11 drives the chain 12 to move, the chain 12 drives the second chain wheel 14 to rotate, the second chain wheel 14 drives the threaded rod 13 to rotate, the threaded rod 13 is connected with the thread block 15, the threaded rod 13 rotates to drive the thread block 15 to move, the thread block 15 drives the fixing rod 16 to move into the fixing hole 17, the fixing pin 4 is fixed in the fixing cavity 6, the rolling gate body 2 is convenient to fix, and the rolling gate body 2 is prevented from sliding downwards.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a locking device that glides is prevented to shutter door, includes two door limits (1), its characterized in that, slidable mounting has same shutter door body (2) between two door limits (1), and the equal slidable mounting in one side that two door limits (1) are close to each other has sliding seat (3), movable mounting has fixed pin (4) on sliding seat (3), the welding of one side of sliding seat (3) has fixing base (5), seted up fixed chamber (6) on fixing base (5), fixed mounting has motor (7) on the bottom side inner wall of fixed chamber (6), the welding has first gear (8) on the output shaft of motor (7), rotate on the top side inner wall of fixed chamber (6) and install dwang (9), the bottom welding of dwang (9) has second gear (10), and second gear (10) mesh with first gear (8), the welding has first sprocket (11) on dwang (9), and the meshing has chain (12) on first sprocket (11), rotate on the top side inner wall of fixed chamber (6) and install threaded rod (13), and the welding has second sprocket (14) on threaded rod (13), and second sprocket (14) are connected with first sprocket (11) transmission through chain (12), the bottom threaded connection of threaded rod (13) has thread block (15), and thread block (15) slidable mounting is on one side inner wall of fixed chamber (6), the bottom welding of thread block (15) has dead lever (16), fixed pin (4) extend to one of fixed chamber (6) serve and have seted up fixed orifices (17), and dead lever (16) movable mounting is in fixed orifices (17).

2. The device for preventing the rolling door from sliding downwards according to claim 1, wherein the sliding seat (3) is provided with a slot with two open sides, the two sides of the door edge (1) are welded with first sliding rails, the inner walls of the two sides of the slot are welded with first sliding blocks, and the two first sliding blocks are respectively slidably mounted on the two first sliding rails.

3. The device for preventing the sliding down locking of the rolling door according to claim 1, wherein the sliding seat (3) is provided with sliding holes on both sides, the door edge is provided with sliding holes on both sides, and the fixing pin (4) is movably installed in the sliding holes and the sliding holes respectively.

4. The device for preventing the downward sliding of the rolling door according to claim 1, wherein the top side inner wall of the fixed cavity (6) is provided with a first rotating groove, the rotating rod (9) is rotatably installed in the first rotating groove, a first bearing is fixedly installed in the first rotating groove, and the first bearing is sleeved on the rotating rod (9).

5. The device for preventing the rolling door from sliding downwards and locking according to claim 1, wherein a second rotating groove is formed on the inner wall of the top side of the fixed cavity (6), the threaded rod (13) is rotatably installed in the second rotating groove, a second bearing is fixedly installed in the second rotating groove, and the second bearing is sleeved on the threaded rod (13).

6. The device for locking the door of rolling shutter against the sliding down according to claim 1, characterized in that the inner wall of the fixed chamber (6) on the side close to the sliding seat (3) is welded with a second sliding track, and the side of the threaded block (15) is welded with a second sliding block, which is slidably mounted on the second sliding track.

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