CN205063660U

CN205063660U - Lift door

Info

Publication number: CN205063660U
Application number: CN201520782792.2U
Authority: CN
Inventors: 刘才金; 周元梁
Original assignee: Yichang Enhance Ultrasound Electric Co Ltd
Current assignee: Yichang Enhance Ultrasound Electric Co Ltd
Priority date: 2015-10-10
Filing date: 2015-10-10
Publication date: 2016-03-02
Anticipated expiration: 2025-10-10

Abstract

The utility model provides a lift door, includes skeleton and roller chain, installs many transmission shafts in the skeleton, at the both ends of transmission shaft sprocket of fixedly connected with respectively, is equipped with two driving sprocket in the below of skeleton, the roller chain is installed on sprocket and driving sprocket, installs a body on the roller chain, still installs drive arrangement on one of them transmission shaft, installs overspeed device tensioner at the both ends of an other transmission shaft, the utility model provides a lift door, the convenience that not only opens and shuts, fine sealed effect can be played simultaneously in the not influence of wind -engaging after closing.

Description

A kind of lever gear door

Technical field

The utility model relates to a kind of lever gear door, is the isolation for each segmentation of factory floor.

Background technology

Production workshop section is divided into structure workshop section by a lot of factory now, to spray paint workshop section, machine workshop section, pernicious gas storage portion etc., but because the restriction of some conditions, many times some workshop section can be mixed in co-production in a large workshop, so arc light of producing of structure workshop section, spray paint the coating cloud that workshop section produces, the hazardous substancess such as the dust that machine workshop section produces can be adulterated mutually, very disadvantageous to the health of human body like this, the settling mode of usual employing is in large workshop, set up multiple partition by these workshop sections separately, the mode being divided into partition is not only with low cost, and isolation effect is also relatively good, but the door that this partition adopts is all generally select common vertical hinged door, the shortcoming of this vertical hinged door is, it is too large that the size of first this vertical hinged door can not be done, because size will bring too greatly the folding of door inconvenient, and in factory, often need to pass in and out material, some materials need to use vehicle, usually require that the size of door is greater than overall width, secondly this door can not play the technique effect of well sealing, because there is gap on vertical hinged door and ground, most back door is also easily damaged, because when blowing, wind can blow door and remove knocking door case, cut off body in addition and do not need load-bearing, so generally can not do firm especially, be not the words of doorframe with going to clash into compared with great for a long time when door, be easy to be damaged together with partition, so this problem must solve.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of lever gear door, not only folding with convenience, not the impact of wind-engaging, can play good sealing effectiveness after closedown simultaneously.

In order to solve the problem, the technical solution of the utility model is: a kind of lever gear door, comprise skeleton and roller chain, many power transmission shafts are installed in skeleton, are fixedly connected with a sprocket wheel at the two ends of power transmission shaft respectively, be provided with two drive sprockets in the below of skeleton, described roller chain is arranged on sprocket wheel and drive sprocket, roller chain is provided with a body, a power transmission shaft is also provided with drive unit wherein, at the two ends of an other power transmission shaft, tensioning apparatus is installed.

Further, described door body comprises many door-plates, flexible plastic catch and one piece of lower baffle plate, described door-plate is that the mode be arranged in order is fixedly connected on the carrier bar of roller chain, and the both sides of flexible plastic catch are fixedly connected on two adjacent door-plates respectively, described lower baffle plate is positioned at the below of door-plate bottom, and is fixedly connected on the carrier bar of roller chain.

Further, the width of described wall scroll door-plate is less than or equal to the pitch of roller chain.

Further, described drive unit comprises driven pulley, reducing motor and chain drive-belt, and described driven pulley is fixedly connected on power transmission shaft, and the output of reducing motor is fixedly connected with driving wheel, and described roller chain is arranged on driving wheel and driven pulley.

Further, described tensioning apparatus comprises framework, tensioning plate and fastening screw, described framework is provided with a through hole, and described framework is fixedly connected on skeleton, and one end of described turning cylinder is movably connected in tensioning plate, guide rail is provided with in framework, be provided with chute at the two ends of tensioning plate, described tensioning plate is by guide rail and chute line activities in framework, and one end of described fastening screw is fixedly connected on an end face of tensioning plate, and be positioned at through hole, fastening screw is also provided with nut.

Preferably, between skeleton and drive sprocket, be also mounted with roller key way, described roller chain is positioned at roller key way.

Technique effect of the present utility model is: the utility model adopts reducing motor as power source, drive power transmission shaft and roller chain running, the roller chain of running drives the opening and closing of door-plate, this lever gear door is only when reducing motor action, lever gear door could action, therefore not only can not the impact of wind-engaging compared with traditional vertical hinged door, and the folding that also can not have influence on greatly it again that the size of lever gear door is done, and be reducing motor as power source, therefore folding is more laborsaving; Next is that gap between door-plate uses flexible plastic catch to sealing, when closing completely, and the lower baffle plate energy of lower end and earth surface, and then make the utility model can serve good sealing effectiveness; Roller chain strainer adopts guide rail to join chute mode to carry out tension rollers chain, not only simple to operate, and the tensioning of adjustment roll subchain that can be suitable, further improves the safety of lever gear door.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is described further:

Fig. 1 is perspective view of the present utility model,

Fig. 2 is perspective view of the present utility model, and shown in figure is after door body and skeleton being hidden, power transmission shaft, sprocket wheel, annexation between drive sprocket and roller chain.

Fig. 3 is the perspective view of the utility model door body,

Fig. 4 is the close-up schematic view at B place in Fig. 3,

Fig. 5 is the close-up schematic view at A place in Fig. 2,

Fig. 6 is the close-up schematic view at C place in Fig. 2,

Fig. 7 is the perspective view of drive unit in the utility model,

Fig. 8 is the front view of the utility model tensioning apparatus,

Fig. 9 is the sectional view at D-D place in Fig. 8.

In figure: skeleton 1, door body 2, roller chain 3, power transmission shaft 4, reducing motor 5, drive sprocket 6, roller chain draw-in groove 7, tensioning apparatus 8, lower baffle plate 21, door-plate 22, flexible plastic catch 23, rolling ring 31, chain pin 32, wing plate 33, carrier bar 34, sprocket wheel 41, driven pulley 51, chain drive-belt 52, driving wheel 53, bearing support 54, framework 81, tensioning plate 82, fastening screw 83, nut 84, guide rail 85, chute 86.

Detailed description of the invention

As shown in Fig. 1 to 9: a kind of lever gear door, comprise welding of making square skeleton 1, roller chain 3 by angle steel and being fixedly mounted on roller chain 3 and to visit body 2, described roller chain 3 is conveying roller chain 3, it is interconnected by polylith carrier bar 34, rolling ring 31 and chain pin 32 to combine, and wherein side carrier bar 34 has one block of wing plate 33 for fixed gate body 2, wing plate 33 is provided with two through holes, and door body 2 is screwed on roller chain 3 by this through hole exactly.

A power transmission shaft 4 is separately installed with near four seamed edges in skeleton 1, a sprocket wheel 41 is fixedly connected with respectively at the two ends of described power transmission shaft 4, and the sprocket wheel 41 of these four power transmission shaft 4 the same sides is positioned in same plane, one group of drive sprocket 6 is respectively equipped with in the both sides of the below of skeleton 1, sprocket wheel 41 and drive sprocket 6 are provided with roller chain 3, its middle sprocket 41 and drive sprocket 6 are the extra friction in order to reduce between roller chain 3 and sprocket wheel 41 at grade, roller chain 3 is allowed to get into smooth on sprocket wheel 41 more smooth, some errors may be there are in the process of simultaneously installing at the scene, force sprocket wheel 41 and drive sprocket 6 not at grade, at this moment the mode of coating butter can be selected to reduce the friction between sprocket wheel 41 and roller chain 3.

A power transmission shaft 4 is also provided with drive unit wherein, at the two ends of an other power transmission shaft 4, tensioning apparatus 8 is installed.

Further, described door body 2 comprises many door-plates 22, flexible plastic catch 23 and one piece of lower baffle plate 21, the width of wall scroll door-plate 22 is wherein less than or equal to the pitch of roller chain 3, and described door-plate 22 is, and the mode be arranged in order is fixedly connected on the carrier bar 34 of roller chain 3, and the both sides of flexible plastic catch 23 are fixedly connected on two adjacent door-plates 22 respectively, described lower baffle plate 21 is positioned at the below of door-plate 22 bottom, and be fixedly connected on the wing plate 33 of roller chain 3, after wall scroll door-plate 22 and flexible plastic catch 23 install, measure the distance between wall scroll door-plate 22 and ground, then according to distance customization lower baffle plate 21 separately, to be applicable to the doorframe of differing heights, wherein flexible plastic catch 23 can adopt the mode that is screwed by the gap between adjacent door-plate 22 to sealing up, and plastic retainer sheet 23 can be arranged on door-plate 22 on the side of roller chain 3.

Further, described drive unit comprises driven pulley 51, reducing motor 5 and chain drive-belt 52, described driven pulley 51 is fixedly connected on power transmission shaft 4, the output of reducing motor 5 is fixedly connected with driving wheel 53, described chain drive-belt 52 is arranged on driving wheel 53 and driven pulley 51, more stable in order to make equipment run, bearing support 54 can be installed on the power transmission shaft 4 of the both sides of driven pulley 51, to improve the stability of drive unit running.

Further, described tensioning apparatus 8 comprises framework 81, tensioning plate 82 and fastening screw 83, described framework 81 is provided with a through hole, described framework 81 is fixedly connected on skeleton 1, one end of described power transmission shaft 4 is movably connected in tensioning plate 82, guide rail 85 is provided with in framework 81, chute 86 is provided with at the two ends of tensioning plate 82, described tensioning plate 82 by guide rail 85 and chute 86 line activities in framework 81, one end of described fastening screw 83 is fixedly connected on an end face of tensioning plate 82, and be positioned at through hole, fastening screw 83 is also provided with nut 84, after roller chain 3 installs, fastening screw 83 can be promoted by rotating nut 84, force tensioning plate 82 mobile in framework 81, while tensioning plate 82 movement, tensioning is carried out to roller chain 3.

In preferred embodiment: also limit switch can be installed on skeleton 1, when drive unit drives power transmission shaft 4 to turn clockwise, roller chain 3 drives door-plate 22 to move in skeleton 1, and in the process of roller chain 3 movement when roller chain 3 touches limit switch, drive unit stops driving; When drive unit drives power transmission shaft 4 to be rotated counterclockwise, roller chain 3 outwards shifts out with door body 2, and when behind the end and earth surface of lower baffle plate 21, limit switch is action again, and drive unit stops driving.

Further, between skeleton 1 and drive sprocket 6, be also mounted with roller chain draw-in groove 7, described roller chain 3 is positioned at roller chain draw-in groove 7, and roller chain draw-in groove 7 can be pre-installed on doorframe.

Claims

1. a lever gear door, it is characterized in that: comprise skeleton (1) and roller chain (3), many power transmission shafts (4) are installed in skeleton (1), a sprocket wheel (41) is fixedly connected with respectively at the two ends of power transmission shaft (4), two drive sprockets (6) are provided with in the below of skeleton (1), described roller chain (3) is arranged on sprocket wheel (41) and drive sprocket (6), roller chain (3) is provided with a body (2), a power transmission shaft (4) is also provided with drive unit wherein, at the two ends of an other power transmission shaft (4), tensioning apparatus (8) is installed.

2. a kind of lever gear door according to claim 1, it is characterized in that: described door body (2) comprises many door-plates (22), flexible plastic catch (23) and one piece of lower baffle plate (21), described door-plate (22) is that the mode be arranged in order is fixedly connected on the carrier bar (34) of roller chain (3), and the both sides of flexible plastic catch (23) are fixedly connected on two adjacent door-plates (22) respectively, described lower baffle plate (21) is positioned at the below of door-plate (22) bottom, and is fixedly connected on the carrier bar (34) of roller chain (3).

3. a kind of lever gear door according to claim 2, is characterized in that: the width of described door-plate (22) is less than or equal to the pitch of roller chain (3).

4. a kind of lever gear door according to claim 1, it is characterized in that: described drive unit comprises driven pulley (51), reducing motor (5) and chain drive-belt (52), described driven pulley (51) is fixedly connected on power transmission shaft (4), the output of reducing motor (5) is fixedly connected with driving wheel (53), and described roller chain (3) is arranged on driving wheel (53) and driven pulley (51).

5. a kind of lever gear door according to claim 1, it is characterized in that: described tensioning apparatus (8) comprises framework (81), tensioning plate (82) and fastening screw (83), described framework (81) is provided with a through hole, described framework (81) is fixedly connected on skeleton (1), one end of described power transmission shaft (4) is movably connected in tensioning plate (82), guide rail (85) is provided with in framework (81), chute (86) is provided with at the two ends of tensioning plate (82), described tensioning plate (82) by guide rail (85) and chute (86) line activities in framework (81), one end of described fastening screw (83) is fixedly connected on an end face of tensioning plate (82), and be positioned at through hole, fastening screw (83) is also provided with nut (84).

6. a kind of lever gear door according to any one of claim 1 to 5, is characterized in that: between skeleton (1) and drive sprocket (6), be also mounted with roller key way (7), and described roller chain (3) is positioned at roller key way (7).