The built-in tightening structure of electric extendable door
[technical field]
The utility model relates to electric extendable door, particularly relates to the built-in rotational structure that tightens up of the electric extendable door on a kind of central frame of being located at retractable door.
[background technology]
In people's life, can see various doors, door as dwelling house, the gate of gate and work unit etc., the structure of conventional door is known by people, no matter the form of door how, traditional door all is the switching that realizes door by rotation or push-and-pull dual mode, in recent years, along with development of science and technology, two traditional fan rotary-open-type gates are substituted by electric extendable door gradually, it is convenient that electric extendable door is opened as a kind of novel Men Yiqi, handsome in appearance, many-sided advantage such as can electronicly control and obtain increasingly extensive application, existing electric extendable door is by cross link a plurality of doorframes to be formed by connecting mostly, though some retractable door is provided with central frame, framework is the stationary frame of global formation in the middle of it, there are problems such as connecting portion unbalance stress in it, cause the suffered pressure of tube connector bigger, very easily bend and deform, and lack aesthetic feeling.
[summary of the invention]
The utility model is intended to address the above problem, and provide a kind of by changing traditional connected mode, with the moulding of the force-bearing situation and the connecting portion of effective raising central frame, reach stressed evenly, not yielding, the built-in tightening structure of electric extendable door handsome in appearance.
For achieving the above object, the utility model provides a kind of built-in tightening structure of electric extendable door, this structure comprises a plurality of doorframes, be located at the sheer pole and the bottom girder of doorframe bottom, it is characterized in that, the upper and lower of a plurality of doorframes is connected with horizontal cross link by vertical cross link respectively, between every two adjacent doorframes, be provided with a central frame, this central frame comprises straight-bar and bow, the upper end of described bow is connected with described vertical cross link by built-in tightening component, the lower end of bow is connected with horizontal cross link, and the two ends up and down of straight-bar are connected with horizontal cross link with vertical cross link respectively.
Described built-in tightening component comprises trim, gadget tube connector, decoration, reaches first locking member, a part of activity of described gadget tube connector is placed through the upper end of the vertical cross link that intersects, its another part and trim and decoration are affixed, and decoration is affixed by the bow upper end of first locking member and central frame, and trim is contained between decoration and the vertical cross link.
Described trim is a discoid body, trim central authorities are provided with connecting through hole, be provided with to right-angled intersection first stopper slot, second stopper slot, the 3rd stopper slot and the 4th stopper slot on the inwall of this through hole, the width of described first stopper slot is greater than the width of second stopper slot.
Described gadget tube connector comprise integrated tubulose first connecting portion, be located at second connecting portion and the tube connector in first connecting portion outside, described first connecting portion is located at the end of tube connector, second connecting portion is the stretch out ring bodies of the evagination that forms of the surface by tube connector, it is located at the side near first connecting portion, is respectively equipped with first locating piece, second locating piece, the 3rd locating piece and the 4th locating piece that match with first stopper slot, second stopper slot, the 3rd stopper slot and the 4th stopper slot on the described trim on the outer ring surface of described second connecting portion.
Described decoration comprises the part spherical shell, the link of this part spherical shell and trim is the plane, be provided with two connecting holes that are connected usefulness with described first connecting portion on the part spherical shell symmetrically, the link compartment of terrain of described part spherical shell and bow is provided with the tensioner sheet that a plurality of outward extending tensioners are used.
Described first locking member is the tapered annular body, its top is provided with arc-shaped recess, the top cross of described first locking member is provided with two screws and two breach symmetrically, relatively is provided with the projection of two usefulness that match with described tensioner sheet on the described first locking member outer wall.
Good effect of the present utility model is that it has effectively changed traditional connected mode of retractable door member.By the built-in tightening structure of central frame, can effectively improve the moulding of its force-bearing situation and connecting portion, reach stressed even, not yielding, handsome in appearance purpose, and be convenient to assemble at the scene.
[description of drawings]
Figure 1A is the schematic perspective view that the retractable door of central frame is housed of the present utility model.
Figure 1B is the forward sight floor map that the retractable door of central frame is housed of the present utility model.
Fig. 1 C is the lateral view of Figure 1B.
Fig. 1 D is a central frame lateral view of the present utility model.
Fig. 2 A is the connection diagram of built-in tightening component of the present utility model and vertical cross link.
Fig. 2 B is the schematic perspective view of first locking member of the present utility model.
Fig. 2 C is the upward view of Fig. 2 B.
Fig. 2 D is the vertical view of Fig. 2 B.
Fig. 2 E is the schematic perspective view of decoration of the present utility model.
Fig. 2 F is the sectional view of Fig. 2 E.
Fig. 2 G is the floor map of decoration of the present utility model.
Fig. 2 H is the schematic perspective view of trim of the present utility model.
Fig. 2 I is to be the side view cutaway drawing of trim of the present utility model.
Fig. 2 J is to be the floor map of trim of the present utility model.
Fig. 2 K is to be the schematic perspective view of gadget tube connector of the present utility model.
Fig. 2 L is the floor map of gadget tube connector of the present utility model.
[specific embodiment]
The following example is to further explanation of the present utility model and explanation, and the utility model is not constituted any limitation.
Shown in Figure 1A, the built-in tightening structure of electric extendable door of the present utility model comprises a plurality of doorframes 10, vertical cross link 20, horizontal cross link 30, central frame 40 and built-in tightening component 50.As Fig. 1 C, described doorframe 10 is the tubular body of inner hollow, and it is the general frame that is made of arc limit 13 and straight flange 14, is provided with sheer pole 11 and bottom girder 12 in doorframe 10 bottoms.The upper and lower of a plurality of doorframes 10 is connected with horizontal cross link 30 by vertical cross link 20 respectively, drives retractable door contraction or expansion by vertical cross link 20 and horizontal cross link 30.As Figure 1A, Fig. 1 C, respectively be provided with a central frame 40 between two adjacent doorframes 10, the built-in tightening component 50 of going up of this central frame 40 is connected with described vertical cross link 20.Described central frame is drawn together straight-bar 41 and bow 42, described bow is the tubular body of arc, described bow 42 ends are connected with described vertical cross link 20 by built-in tightening component 50, and bow 42 ends can be connected with horizontal cross link 30 by any known method.Described straight-bar is for vertically establishing tubular body, and the two ends up and down of straight-bar 41 can connect and 30 flexible connections of horizontal cross link with vertical the intersection respectively by any known method.
Shown in Fig. 2 A, described built-in tightening component 50 comprises trim 51, gadget tube connector 52, part 53 and first locking member 54, shown in Fig. 2 H~2J, described trim 51 is the plane for the link of this trim of circular discoid and decoration 53, the sphere contact site cambered surface of its edge and decoration, the central authorities of trim 51 are provided with the through hole 511 that is connected usefulness with described gadget tube connector 52.Be provided with to right-angled intersection first stopper slot 5111, second stopper slot 5112, the groove 5113 and the 4th stopper slot 5114 on the hole wall of through hole.As Fig. 2 J, the width of width second stopper slot 5112 of described first stopper slot 5111, both width also can be identical certainly.Between decoration 53 on the described trim 51 piece installing tube connectors 52 and the vertical cross link 20.As Fig. 2 K, 2L as described in gadget tube connector 52 comprise integrated tubulose first connecting portion 521, be located at second connecting portion 522 and the tube connector 523 in first outside, described first connecting portion 521 is a round tube, it is located at the end of tube connector 523, and the central axis of this connecting portion 521 and tube connector 523 axle lines are perpendicular.Described second connecting portion 522 is the ring bodies by the surperficial outward extending evagination of tube connector 523, it is located at the inboard near first connecting portion, is respectively equipped with first locating piece 5221, the piece 5222, the 3rd locating piece 5223 and the 4th locating piece that match with first stopper slot 5111, second stopper slot, the 3rd stopper slot 5113 and the 4th stopper slot 5114 on the described trim 51 on these second connecting portion, 522 anchor rings.Tube connector 523 is used to connect longitudinal rod 20.As Fig. 2 A, tube connector 523 activities of described gadget tube connector 52 are placed through in the connecting hole of the upper end of intersecting vertical cross link 20, the link of first connecting portion, 521 gadgets 53 of gadget tube connector inserts in the decoration 53, and affixed through connecting hole 5311,5312 bolts and the decoration 53 of decoration 53.Shown in Fig. 2 E~2G, described decoration 53 comprises part spherical shell 1, this part spherical shell 531 is the planes that cut out on spherical shell with the link of trim 51, be provided with two connecting holes 5313,14 that are connected usefulness with described first connecting portion 521 on the part shell 531 symmetrically, part spherical shell 531 is provided with a plurality of sheets 532 that rise that play the tensioner effect with the link compartment of terrain of bow 42, a plurality of tensioner sheets are to be extended downwards and formed by the end of part spherical shell, its cross section is three shapes, is formed with the breach 533 of a plurality of rectangles between a plurality of tensioner sheets 532.Described decoration 53 logical first locking members 54 are affixed with bow 42 upper ends of central frame.Shown in Fig. 2 A~2C, first locking member 54 is the tapered annular body, its central authorities are provided with arc-shaped recess 541, the edge cross of the portion of first locking member is provided with 542,543 and two breach 544,545 of two screws symmetrically, relatively is provided with two on a described locking member 54 outer walls and cooperates rectangular-shaped protruding 546,547 of usefulness with a plurality of breach 533 on the described decoration 53.
Shown in Fig. 2 A, in the present embodiment, built-in tightening component 50 is as follows with the method for attachment of vertical cross link 20 and shape bar 42: at first first locking member 54 is contained in upper ends in the bow 42, the tensioner sheet 532 of decoration 53 is inserted into first locking member, 54 outsides, and make the shape projection 546 of first locking member, 547 embed in the adjacent breach 533, and with tensioner sheet 532 tensioners between the first tight part 54 and bow 42, form the built-in tightening structure of wedge shape, use two screws 542 of screw again by the top of locking member, 543 are connected first locking member 54 with decoration 53.The other end of gadget 53 is connected with first connecting portion 521 of gadget tube connector.First locating piece 5221, second locating piece 5222, three locating piece 5223 and four locating pieces of trim 51 by first stopper slot 5111, second stopper slot 5112, the 3rd stopper slot 5113 and the 4th stopper slot 5,114 second connecting portions mutual chimeric is contained on second connecting portion 522 of gadget tube connector 52, sphere with decoration in its edge matches, its outside, edge is smooth cambered surface then, forms good decorative effect.Tube connector 523 activities of stating gadget tube connector 52 are placed through in the connecting hole of end of the vertical cross link 20 that intersects, insert in the decoration 53 through the link of decoration 53, and affixed through connecting hole 5311, the 5312 usefulness bolts and the decoration 53 of decoration.The other end end of the tube connector 3 of gadget tube connector 52 is equipped with and is decorated with end cap 55.
Although the utility model is disclosed by above embodiment, but scope of the present utility model is not limited thereto, do not departing under the condition of the utility model design, more than each member can replace with the similar or equivalent element that affiliated technical field personnel understand.