Descending speed reducing device for roller shutter door
Technical Field
The utility model relates to a rolling slats door technical field specifically is a rolling slats door is with decline decelerator.
Background
The rolling door is a door which is formed by connecting a plurality of movable door sheets in series and rotates up and down by taking a scroll above the door as a center in a fixed slideway. Rolling doors are generally widely used in stores, and the rolling doors serve as horizontal partitions like walls, and are composed of a plurality of parts, such as curtain plates, seat plates, guide rails, supports, reels, a box body, a control box, a rolling door machine, a limiter, a door lintel, a manual quick-release switch device, a button switch, a safety device and the like, and are generally installed at positions where partition by walls is inconvenient.
Present rolling slats door can not slow down well, leads to it at the in-process speed that descends too fast, not only harms the track easily, still causes the potential safety hazard to external operating personnel, for this reason we propose one kind can effectively be spacing to the side of rolling slats door, can solve this problem at the decelerator that descends the in-process and carry out effective locking simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roll up shutter door is with decline decelerator possesses and to carry out effectively spacingly to the side of rolling slats door, can carry out the advantage of effective locking simultaneously at the decline in-process, has solved present rolling slats door and can not slow down well, leads to it at the in-process speed of descending too fast, not only harms the track easily, still causes the problem of potential safety hazard to external operating personnel.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roll up decline decelerator for shutter door, includes the door body, door case and rolling box, the door case sets up the both sides at the door body, the top of the door body extends to the inboard of rolling box, the front of door case articulates there is hollow post, the top of door case is provided with quick-witted case, the inside of machine case is provided with adjusting device and rotation axis respectively, the top of rotation axis is rotated with quick-witted incasement wall's top and is connected, the bottom of rotation axis runs through to the inside of door case and bolted connection has a plurality of connecting rod, the place ahead of connecting rod is provided with the riser, the both sides of door incasement wall all are provided with limit structure, one side bolted connection that the connecting rod was kept away from to the riser is pressed the tight pulley, the surperficial bolted connection of hollow post inner wall has the limiting pulley, the both sides of the door body all integrated into one piece.
Preferably, the adjusting device comprises a motor, a driving gear and a driven gear, the motor is bolted to the top of the inner cavity of the case, the driving gear is bolted to an output shaft of the motor, the driven gear is located behind the driving gear and meshed with the driving gear, and the rotating shaft penetrates through the axis of the surface of the driven gear.
Preferably, limit structure includes spout, slider and compression spring, the inner wall of door case is seted up to the spout, slider and compression spring all set up the inboard at the spout, sliding connection between the inner wall of slider and spout, compression spring's both ends all through fixed detain respectively with the inner wall of spout and the surface mounting of slider.
Preferably, a vertical strip-shaped vacancy is formed between the hollow column and the shell of the door box, the door edge and the door body penetrate through the vacancy, and the vacancy is larger than the front and rear maximum thickness of the door body.
Preferably, the top of the front face of the case is provided with a ventilation groove, the top of the case is provided with a mounting plate, the case and the winding box are bolted through the mounting plate, and the middle part of the surface of the hollow column is provided with a notch.
Preferably, the bar-shaped vertical groove is formed in the front face and the back face of the door edge, the compression wheel and the limiting wheel are connected with the inner wall of the bar-shaped vertical groove in a sliding mode, the number of the limiting wheel and the number of the compression wheel are equal, and the limiting wheel and the compression wheel are symmetrically arranged.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a door case, the box of rolling up, hollow post, quick-witted case, adjusting device, the rotation axis, the connecting rod, a vertical plate, limit structure, pinch roller and spacing setting of taking turns for the device can effectively be spacing to the side of rolling slats door, can effectively lock at the decline in-process simultaneously, solved present rolling slats door and can not slow down well, lead to it at the in-process speed that descends too fast, not only damage the track easily, still cause the problem of potential safety hazard to external operating personnel, be worth promoting.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic perspective view of the door box according to the present invention;
FIG. 4 is a structural right sectional view of the door box of the present invention;
fig. 5 is a top view of the door box of the present invention.
In the figure: 1. a door body; 2. a door box; 3. a coiling box; 4. a hollow column; 5. a chassis; 6. an adjustment device; 61. a motor; 62. a driving gear; 63. a driven gear; 7. a rotating shaft; 8. a connecting rod; 9. a vertical plate; 10. a limiting structure; 101. a chute; 102. a slider; 103. a compression spring; 11. a pinch roller; 12. a limiting wheel; 13. a door edge; 14. a ventilation slot; 15. mounting a plate; 16. opening the gap; 17. a strip-shaped vertical groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a descending speed reducer for a roller shutter door comprises a door body 1, a door box 2 and a rolling box 3, wherein the door box 2 is arranged at two sides of the door body 1, the top end of the door body 1 extends to the inner side of the rolling box 3, a hollow column 4 is hinged at the front of the door box 2, a cabinet 5 is arranged at the top of the door box 2, an adjusting device 6 and a rotating shaft 7 are respectively arranged inside the cabinet 5, the top end of the rotating shaft 7 is rotatably connected with the top of the inner wall of the cabinet 5, the bottom end of the rotating shaft 7 penetrates into the door box 2 and is bolted with a plurality of connecting rods 8, a vertical plate 9 is arranged in front of the connecting rods 8, limiting structures 10 are arranged at two sides of the inner wall of the door box 2, a compressing wheel 11 is bolted at one side of the vertical plate 9 far away from the connecting rods 8, a limiting wheel 12 is bolted on the surface of the inner wall of the hollow column 4, door edges 13, through door case 2, rolling box 3, hollow post 4, machine case 5, adjusting device 6, rotation axis 7, connecting rod 8, riser 9, limit structure 10, pinch roller 11 and spacing 12's setting, make the device can effectively be spacing to the side of rolling slats door, can effectively lock at the decline in-process simultaneously, it can not slow down well to have solved present rolling slats door, it is too fast to lead to it to descend the in-process, not only damage the track easily, still cause the problem of potential safety hazard to external operating personnel, be worth promoting.
Referring to fig. 2, the adjusting device 6 includes a motor 61, a driving gear 62 and a driven gear 63, the motor 61 is bolted to the top of the inner cavity of the chassis 5, the driving gear 62 is bolted to the output shaft of the motor 61, the driven gear 63 is located behind the driving gear 62 and meshed therewith, the rotating shaft 7 penetrates through the axis of the surface of the driven gear 63, and through the arrangement of the driving gear and the driven gear, a driving force for rotation adjustment can be provided for the rotating shaft 7, so as to adjust the contact angle between the connecting rod 8 and the vertical plate 9.
Please refer to fig. 4 and 5, the limiting structure 10 includes a sliding groove 101, a sliding block 102 and a compression spring 103, the sliding groove 101 is disposed on the inner wall of the door box 2, the sliding block 102 and the compression spring 103 are both disposed on the inner side of the sliding groove 101, the sliding block 102 is slidably connected with the inner wall of the sliding groove 101, two ends of the compression spring 103 are respectively mounted on the inner wall of the sliding groove 101 and the surface of the sliding block 102 through fixing buckles, and through the arrangement of the sliding block 102 and the sliding block, not only can the vertical plate 9 be limited, but also a thrust can be always generated to the vertical plate 9, thereby realizing the pushing action on the compressing wheel 11, and ensuring the limiting effect on the door.
Referring to fig. 1, 3 and 5, a vertical strip-shaped gap is formed between the hollow column 4 and the shell of the door box 2, the door edge 13 and the door body 1 penetrate through the gap, the gap is larger than the front-rear maximum thickness of the door body 1, and the gap is used for filling the door edges 13 on two sides of the door body 1.
Referring to fig. 1-3, a ventilation slot 14 is formed in the top of the front surface of the case 5, a mounting plate 15 is arranged on the top of the case 5, the case 5 and the winding box 3 are bolted through the mounting plate 15, an opening 16 is formed in the middle of the surface of the hollow column 4, the ventilation slot 14 is used for dissipating heat generated when the motor 61 works, the mounting plate 15 is used for mounting the winding box 3 and the case 5, and the opening 16 is used for facilitating opening of the hollow column 4.
Please refer to fig. 4 and 5, the front and the back of the door edge 13 are both provided with a bar-shaped vertical slot 17, the pinch roller 11 and the limit roller 12 are both connected with the inner wall of the bar-shaped vertical slot 17 in a sliding manner, the number of the limit roller 12 and the pinch roller 11 are equal, the two are symmetrically arranged, and the limit effect on the door edge 13 can be realized by the arrangement of the bar-shaped vertical slot 17 in cooperation with the pinch roller 11 and the limit roller 12.
The working principle is as follows: when the descending of the rolling door needs to be decelerated, the control motor 61 is started, an output shaft of the control motor drives the driven gear 63 to rotate for a small distance through the driving gear 62, the rotating shaft 7 rotates along with the driven gear, and simultaneously drives the connecting rod 8 on the surface of the connecting shaft to rotate for a small distance, and the connecting rod 8 does fan-shaped motion by taking the rotating shaft 7 as an axis, so that the connecting rod can push the vertical plate 9 forwards, and further drives the pressing wheel 11 to further press the door edge 13, and the descending deceleration effect of the rolling door can be achieved, and meanwhile, the descending of the rolling door cannot be influenced when the pressing wheel 11 and the limiting wheel 12 are arranged; when the parts on the inner side of the door box 2 are damaged or the door body 1 needs to be replaced, the hollow column 4 can be opened through the notch 16, the limiting wheel 12 does not limit the door edge 13 any more at the moment, and then the door body 1 is overhauled or disassembled.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.