The syndeton that can keep the retractable door of linear running
Technical field
The utility model relates to the electric extendable door of opening with stretch mode, particularly relates to a kind of syndeton that can keep the retractable door of linear running.
Background technology
Electric extendable door is a kind of by motor-driven, and with the type gate that stretch mode is opened or closed, it is convenient, handsome in appearance that it is opened with it, many-sided advantage such as can electronicly control and has obtained increasingly extensive application.The basic structure of existing electric extendable door comprises head section and the retractable door part that is attached thereto, and wherein the retractable door part is formed with its transverse axis is hinged by two-layer staggered form connecting rod up and down by a plurality of doorframes, road wheel is housed bottom the doorframe.The staggered form connecting rod of existing retractable door all is the interconnections in vertical plane, promptly from the place ahead of door and after can see the cross-shaped arrangement of connecting rod.Because connecting rod is vertical staggered form to be connected and for two-layer up and down, make the connecting rod overmatter, can't carry out ornamental design, thereby the structure dullness, lack ornamental and aesthetic property.Also because the cross link of existing retractable door is divided two-layer up and down, the length of cross link is all shorter, though arrangement is closeer, the rigidity of retractable door and whole steadiness are poor, cause the retractable door operation not steady easily, and be difficult to guarantee that railless electric retractable door is along linear running.
Summary of the invention
The utility model is intended to change the connected mode of existing retractable door and moulded, and a kind of novel structure is provided, and is connected firmly between doorframe and doorframe, and retractable door operates steadily, the syndeton of the retractable door that can keep linear running that is difficult for wandering off.
For achieving the above object, the utility model provides a kind of syndeton that can keep the retractable door of linear running, this structure comprises doorframe 10 and the staggered form connecting rod 20 that is connected each doorframe, it is characterized in that, each doorframe 10 of retractable door is upper and lower link assembly 21,22 flexible connections that level is intersected by upper and lower two groups, and at least one support bar 30 that plays the firm support effect is housed between adjacent two doorframes, and the two ends of this support bar are connected to the upper and lower of adjacent two doorframes.
The upper end pivot bush unit of support bar 30 is on the slidably cross bar 15 that is contained in doorframe top, and its lower end then is rotationally connected with on the sheer pole 12 of the nearly bottom of doorframe.
Support bar 30 can be a straight-bar, also can be curved rod.
Each connecting rod of last link assembly 21 is hinged successively by rotating connector 40, and hinged with cross tube 11, the top rail 13 of each doorframe; Each connecting rod of lower link assembly 22 is hinged successively, and hinged with sheer pole 12, the lower transverse beam 14 of each doorframe, and wherein two connecting rods are hinged with the sliding connector 50 that is contained on the sheer pole, make it and can rotate simultaneously and slide.
Each connecting rod of upper and lower link assembly 21,22 is respectively equipped with 5 pin joints.
Rotating connector 40 comprises joint pin 41, wear-resistant sleeve 42 and seal closure 43, and wherein interlinking lever end is enclosed within on the described joint pin, and wear-resistant sleeve is equipped with at the connecting hole two ends on the connecting rod, and the two ends up and down of connecting rod are sealed by seal closure.
Sliding connector 50 comprises joint pin 51, upper and lower slide block 52,53 and wear-resistant sleeve 54, wherein the end of connecting rod is enclosed within on the described joint pin, wear-resistant sleeve is equipped with at connecting hole two ends on the connecting rod, joint pin is equipped with upper and lower slide block in two ends up and down, and they place the internal chute 121 interior upper outside that reach lower transverse beam 14 of sheer pole downside respectively.
Be connected with a rotatable moulding decoration bar 60 in the adjacent two doorframe central authorities between link assembly 21 and the lower link assembly 22.
It is square hollow tube that bar 60 is decorated in moulding, and it respectively is connected with upper and lower link assembly 21,22 by a square knuckle 61 at two ends up and down.
Good effect of the present utility model is, it is connected two groups of horizontal cross link up and down that existing two-layer vertical staggered form connecting rod changes into by top and bottom, and between adjacent two doorframes, be connected with the strut of drawing money on credit from top to bottom, improved the bulk strength of retractable door greatly, make it firmly stable more, not yielding dislocation between doorframe, thereby can make the retractable door operation more steady, and can in running, remain the linear running state.Decorate bar because rotatable moulding is housed between adjacent two doorframes, thereby make the moulding of retractable door more attractive in appearance, and have more sight.
Description of drawings
Fig. 1 is a structural upright schematic diagram of the present utility model.
Fig. 2 is a forward sight floor map of the present utility model.
Fig. 3 is a side-looking floor map of the present utility model.
Fig. 4 is the sliding connector structural representation.
Fig. 5 is the rotating connector structural representation.
Fig. 6 is that the bar connection diagram is decorated in moulding.
The specific embodiment
Consult Fig. 1~3, this structure comprises doorframe 10 and the staggered form connecting rod 20 that is connected each doorframe, and wherein doorframe and common retractable door frame are similar, and it is by side frame 15, upper and lower cross bar 11,12, and upper and lower crossbeam 13,14 constitutes.Connecting rod 20 is a rectangle hollow tube connector.Main points of the present utility model are that each doorframe 10 of retractable door is upper and lower link assembly 21,22 flexible connections that level is intersected by upper and lower two groups, and at least one support bar 30 that plays the firm support effect is housed between adjacent two doorframes.The described link assembly 21 of going up comprises many connecting rods 211 and rotating connector 40, and many connecting rods are hinged in twos successively by rotating connector 40, and hinged with the cross tube 11 of each doorframe, and its long connecting rod has three pin joints, and short connecting rod has two pin joints.Rotating connector 40 structures as shown in Figure 5, it comprises joint pin 41, wear-resistant sleeve 42 and seal closure 43, the end of two connecting rods 20 that wherein are hinged is enclosed within on the joint pin of being made by steel pipe 41 by its connecting hole, plastic cement wear-resistant sleeve 42 is equipped with at connecting hole two ends on the connecting rod, and the two ends up and down of connecting rod are sealed by plastic cement seal closure 43.As Fig. 1, and the joint pin of the hinged usefulness of doorframe is fixed between top rail 13 and the cross tube 11, makes connecting rod to rotate around joint pin, and do not have moving of horizontal direction.Described lower link assembly 22 comprises many connecting rods 221 and sliding connector 50, its every six roots of sensation connecting rod is hinged by rotating connector 40 successively, and it is hinged with sheer pole 12, the lower transverse beam 14 of each doorframe, wherein with three hinged connecting rods of doorframe in, intermediate connecting rod can only rotate, can not move horizontally, two connecting rods of its both sides and be contained in sheer pole and lower transverse beam between sliding connector 50 hinged, make it and can rotate simultaneously and slide.Sliding connector 50 structures as shown in Figure 4, it comprises joint pin 51, upper and lower slide block 52,53 and wear-resistant sleeve 54, wherein the end of connecting rod is enclosed within on the joint pin 51 that described steel pipe makes, plastic cement wear-resistant sleeve 54 is equipped with at connecting hole two ends on the connecting rod, joint pin is set with the upper and lower slide block 52,53 that plastic cement is made in two ends up and down, and wherein the sliding block upper end is enclosed within on the joint pin, and the U-lag of lower end then is enclosed within the upper outside of lower transverse beam 14 versatilely.Top shoe is movably placed in the internal chute 121 of sheer pole 12 downsides.Sliding connector 50 can slide along sheer pole and lower transverse beam when retractable door is flexible.As Fig. 1, the short connecting rod of lower link assembly 22 has three pin joints, and long connecting rod then has five pin joints, and this multiple spot connects makes that the connection between doorframe is more stable, moves more steady.Retractable door makes the retractable door opening and closing by the expansion and the contraction of upper and lower link assembly.As Fig. 1, described support bar 30 is the hollow tube with arc of decoration function, its length is about 2~3 times of common retractable door length of connecting rod, its upper end is rotatable to be socketed on the slidably cross bar 16 that is contained in doorframe top, make it and to rotate around this cross bar, its lower end then turns on the sheer pole 12 that is socketed on the nearly bottom of doorframe, makes it to rotate around this cross bar.As Fig. 1~3, be connected with a rotatable moulding decoration bar 60 in the adjacent two doorframe central authorities between link assembly 21 and the lower link assembly 22, it is connected as shown in Figure 6 with upper and lower link assembly, it is square hollow tube that bar is decorated in this moulding, decorates can be provided with on the bar for decorating and view and admire the moulder of usefulness.The two ends up and down of decorating bar respectively are connected with upper and lower link assembly 21,22 by a square knuckle 61, the square knuckle 61 that is connected usefulness with the lower link assembly is T-shaped, the U-lag of its bottom surface is stuck in the central authorities of the center rod of lower link assembly, and its square tube section divides then insertion to decorate in the bar.The square knuckle lower end that is connected usefulness with last link assembly insert to be decorated in the bar, and top is then inserted by the joint pin of the rotating connector of last link assembly.When the flexible rotation of upper and lower link assembly, drive the decoration bar and rotate synchronously, thereby have the dynamic ornamentation effect.