CN209523626U - Two-way dislocation type pushes and pulls open-and-close mechanism - Google Patents

Abstract

The utility model relates to a kind of open-and-close mechanisms, open-and-close mechanism is pushed and pulled more particularly to a kind of two-way dislocation type, including upper fixed pedestal, slide track component, the first downslide rail assembly and the second downslide rail assembly, the first plate body and the second plate body, maincenter functional unit, bottom righting component and bottom end fixation kit on slide track component and second on first；One end of slide track component is hinged with the both ends of upper fixed pedestal respectively on slide track component and second on first；First downslide rail assembly and the second downslide rail assembly are coupled with slide track component on slide track component on first and second by pulley respectively；First downslide rail assembly and the second downslide rail assembly are connect with the top of the first plate body and the second plate body respectively；Bottom righting component is installed in the pedestal sliding slot of bottom end fixation kit, and bottom end fixation kit is connect with the first plate body and the second plate body bottom end respectively；The centre of maincenter functional unit is connect with upper fixed pedestal, both ends respectively with first on slide track component and second slide track component the other end it is hinged.

Description

Two-way dislocation type pushes and pulls open-and-close mechanism

Technical field:

The utility model relates to a kind of open-and-close mechanisms, and in particular to a kind of two-way dislocation type push-and-pull open-and-close mechanism.

Background technique:

Existing push-and-pull open-and-close mechanism (such as sliding door or sliding window) has the disadvantage in that be in the cross structure that is parallel to each other, Occupied space is big；Push-pull mechanism respectively has two bright face tracks being parallel to each other up and down, no matter closed state or open state, rail Road all it is exposed outside, unsightly；In the case where same clear door opening, since door body is interlaced, door body width is relatively trendy The wider materials of sliding door size are more, not energy-efficient.So it is very necessary for designing a kind of two-way dislocation type push-and-pull open-and-close mechanism 's.

Utility model content:

The purpose of the utility model is to provide a kind of two-way dislocation types to push and pull open-and-close mechanism, which is in a word structure In the off state on one wire, it occupies little space；Since rail effect is in the upper and lower ends of a word door, no matter sliding door is opened All invisible track under still closed state is opened, it is overall beautiful generous；In a word structure, without the part of interlaced overlapping, Materials are less, energy conservation.

The technical solution adopted in the utility model are as follows: a kind of two-way dislocation type push-and-pull open-and-close mechanism, including opened for fixation Close the upper fixed pedestal of mechanism, can rotate and slide track component on slide track component and second on symmetrical first, can be wrong Position sliding and symmetrical the first downslide rail assembly and the second downslide rail assembly, symmetrical the first plate body and the second plate Body can rotate and the maincenter functional unit of locking, the fixed group of the bottom righting component that can rotate and symmetrical bottom end Part；One end of slide track component is hinged with the both ends of upper fixed pedestal respectively on slide track component and second on described first；Described Once slide track component and the second downslide rail assembly respectively with first on slide track component and second slide track component by can be in-orbit The pulley connection rolled in road；The first downslide rail assembly and the second downslide rail assembly respectively with the first plate body and the second plate body Top connection；The bottom righting component is installed in the pedestal sliding slot of bottom end fixation kit, bottom end fixation kit respectively with First plate body and the connection of the second plate body bottom end；The centre of the maincenter functional unit is connect with upper fixed pedestal, both ends difference With first on slide track component and second slide track component the other end it is hinged.

Further, fixed pedestal includes rectangular groove and symmetrical outer, in the rectangular groove Between be provided with flat axis hole for connecting maincenter functional unit, both ends are provided on hinged first on slide track component and second sliding Rail assembly and symmetrical side seat connecting hole；The mounting hole for fixed installation is additionally provided on fixed pedestal.

Further, on described first on slide track component and second slide track component respectively include sliding rail, top end seat, on Side end lid, middle end of upper section seat and middle end of upper section lid；The upper sliding rail includes upper stealthy slideway and symmetrical top threaded hole and bottom Threaded hole is held, symmetrical side pulley groove is equipped in upper stealth slideway, upper stealth slideway bottom end is provided with lower through slot；The top End seat includes upper stealthy slideway and symmetrical top through-hole and bottom end through-hole, and top end seat top is connected equipped with side end seat Axis, side end seat connecting shaft top are equipped with threaded connector；Top flare hole and bottom end speaker hole are provided on the top end cap；Institute Stating middle end of upper section seat includes upper stealthy slideway and symmetrical pulley, is equipped with middle partition, middle partition among the upper stealthy slideway Bottom end is provided with pulley mounting hole, and ladder connecting shaft is equipped in pulley mounting hole, and ladder connecting shaft both ends connect equipped with the first screw thread Hole is connect, the pulley is installed in ladder connecting shaft by the screw thread of ladder thread spindle, and ladder mounting hole, pulley are provided on pulley Excircle be equipped with semicircle annular projection, middle end of upper section seat top is equipped with middle end seat thread cnnecting shaft, middle end seat side Connecting plate on be provided with top flare hole, middle end seat bottom end is provided with bottom end through-hole；The top end seat and top end cap pass through spiral shell Bolt is connect with upper sliding rail one end, and the middle end of upper section seat and middle end of upper section lid are connect by bolt with the other end of upper sliding rail, after assembling First on the stealthy channel an of entirety is formed respectively on slide track component and second in slide track component；Sliding rail on described first Slide track component passes through side end seat connecting shaft respectively on component and second and upper fixed pedestal is hinged, and tight by gasket and nut Gu.

Further, the first downslide rail assembly and the second downslide rail assembly respectively include glidepath, following end seat, under Side end lid, T shape end, lower middle end seat, lower middle end cap and glidepath attachment base；The glidepath includes lower stealthy slideway and screw thread Mounting hole, lower stealth slideway is interior to be equipped with symmetrical middle pulley slot, and lower stealth slideway top is provided with through slot, glidepath two sides It is provided with outer pulley track, glidepath bottom is equipped with dovetail attachment base；The following end seat includes lower stealthy slideway and symmetrical Pulley, following end seat is equipped with installation through-hole, and following end seat two sides are provided with outer pulley track, and following end seat bottom is equipped with dovetail Attachment base, dovetail attachment base centre are equipped with the semicolumn end groove for installing T shape end, are equipped at the top of following end seat symmetrical The side partition of distribution, side partition are equipped with installation threaded hole, and the pulley is installed on the partition of side by ladder thread spindle；It is described Following end cap bottom end is provided with groove, and following end cap is equipped with installation speaker hole；T shape end includes that column end and T-type are solid Reservation, T shape end are equipped with fixed mounting hole；The lower middle end seat includes lower stealthy slideway and two groups of outer pulleys, lower middle end seat Be equipped with installation through-hole, lower middle end seat two sides are provided with outer pulley track, close to the outer pulley track of lower end surface side top and The outer pulley track of close upper surface side is respectively arranged below with the second symmetrical threaded connection hole, and the outer pulley is logical It crosses washer and thread cnnecting shaft is installed on the second threaded connection hole, thread cnnecting shaft includes short axle and stud, and the one of outer pulley End is speaker hole, and the axial cross section of the excircle of outer pulley is V-arrangement；The lower middle end cap two sides be equipped with outer pulley track, it is lower in End cap is equipped with installation speaker hole；It is provided with the dovetail groove for installing glidepath on the glidepath attachment base and is used for mounting plate The installation circular hole of body；The groove that T shape end passes through following end cap is installed in the semicolumn end groove of following end seat, under Side end seat and following end cap are installed on one end of glidepath, the lower middle end seat and lower middle end cap by bolt and are installed by bolt In the other end of glidepath, an entirety is formed respectively in the first downslide rail assembly and the second downslide rail assembly after assembling Stealthy channel, two sides form respectively whole pulley track, and the glidepath attachment base is installed on downslide by dovetail groove Rail bottom portion；The pulley of the following end seat of the first downslide rail assembly and the second downslide rail assembly is located at slide rail group on first On part and second in the stealthy slideway of slide track component, the first downslide rail assembly and second downslide rail assembly one end pass through following end seat Pulley roll the mode of hanging in sliding way and connect respectively with slide track component on slide track component on first and second.Described The pulley of the middle end of upper section seat of slide track component is located at the first downslide rail assembly and the second downslide on slide track component and second on one In the stealthy channel of rail assembly, the first downslide rail assembly and the second downslide rail assembly other end pass through the pulley of middle end of upper section seat under The mode that hanging is rolled in slideway is connect with slide track component on slide track component on first and second respectively；Mistake is in open-and-close mechanism When the state that position is opened, the outer pulley of the first downslide rail assembly side is located at the outer pulley rail of the second downslide rail assembly other side Road, the outer pulley of the second downslide rail assembly side are located at the outer pulley track of the first downslide rail assembly side；T shape end Column end is overlapped with the axis of the side end seat connecting shaft on top end seat top.

Further, the top and bottom end of first plate body and the second plate body are respectively equipped with the first mounting groove, the first peace The threaded hole for installation is equipped in tankage, the first plate body and the second plate body are pacified respectively by the threaded hole of the first mounting groove of top On attachment base loaded on the first downslide rail assembly and the second downslide rail assembly bottom end.

Further, the bottom end fixation kit includes that bottom end fixed pedestal, lower end rotation seat and T shape end, bottom end are solid Determine pedestal and be equipped with dislocation stepped groove, dislocation stepped groove both ends are provided with connected circular hole, are provided among the rotation seat of lower end for installing T The semicolumn end groove of shape end, semicolumn end groove two sides are equipped with the installation aperture for connecting plate body, install aperture Bottom end is equipped with the second mounting groove；T shape end is installed in the semicolumn end groove of lower end rotation seat, the lower end rotation Seat and bottom end fixed pedestal pass through the bottom that bolt is installed on the first plate body and the second plate body respectively.The fixed group in described two bottom ends The T shape end of part two sides is with the column end of the first downslide rail assembly and the T shape end of the second glidepath component side same On central axes.

Further, the bottom righting component includes lower rotating basis, lower fixed pedestal and symmetrical wheel shaft；Institute State the lower rotating basis wheel shaft installation threaded hole symmetrical equipped with the base aperture and two for installing pressure bearing；It is described Lower fixed pedestal is equipped with axis, and lower fixed pedestal is installed in the base aperture of lower rotating basis by pressure bearing；The wheel shaft One end is equipped with internal screw thread, and the other end is equipped with external screw thread, is sequentially installed with lower rotating wheel, retaining ring, upper rotating wheel and spiral shell on wheel shaft It follows closely, screw ladder mounting hole is set in upper rotating wheel, the wheel shaft after assembling is installed in the wheel shaft installation threaded hole of lower rotating basis； Wheel shaft after the assembling that the bottom righting component passes through both ends is installed on the dislocation ladder of symmetrical bottom end fixed pedestal In slot.

Further, the maincenter functional unit includes upper rotating basis, rotation connecting shaft and lock tongue；The upper rotation base Seat includes intermediate stepped hole and two symmetrical ladder chute holes, and the macropore two sides of intermediate stepped hole are installed equipped with jackscrew Hole is equipped with the jackscrew spring pearl that can be stretched in jackscrew mounting hole, and jackscrew spring pearl includes jackscrew, spring and hoodle, hoodle It is connect with one end of spring, the other end connection of jackscrew and spring, is equipped with adjusting screw hole on the outside of the macropore of ladder chute hole, adjusts Limit adjusting screw is installed in section screw hole；The rotation connecting shaft includes hoodle shaft, connection shaft, pedestal connection flat axis With flat thread head, hoodle shaft be equipped with two groups of symmetrical ballistics bowls, the quantity of every group of ballistics bowl many 3, institute Ballistics bowl is stated less than hemisphere bowl, hoodle shaft bottom is equipped with symmetrical lock tongue connecting plate, sets on lock tongue connecting plate There is lock tongue connecting hole；The lock tongue includes lock tongue plate, lock tongue body and the lock tongue wheel that can be rotated, and lock tongue plate is equipped with lock tongue Connecting hole, the lock tongue wheel are installed on the shaft shoulder of lock tongue body bottom end；The rotation connecting shaft is installed in rotating basis Between in stepped hole, the hoodle of jackscrew spring pearl is stuck in the ballistics bowl of intermediate stepped hole after installation, and the lock tongue passes through pin shaft Axis connection is connected with rotation；The maincenter functional unit is installed on upper fixed pedestal by the flat thread head on top and attaching nut Flat axis hole on；Slide track component passes through thread spindle and the attaching nut of its end respectively on slide track component and second on described first It is installed in two ladder chute holes of maincenter functional unit.

Further, first plate body and the second plate body difference door-plate, glass door assembly or windowpane assembly.

Further, first plate body and the second plate body are in concordant state after open-and-close mechanism closure.

The utility model has the beneficial effects that design is rationally, beautiful and generous, save the cost is economic and practical, is easy on a large scale It promotes and uses.Its major advantage are as follows: the open-and-close mechanism in a word structure in the off state on one wire, occupied space It is small；Since rail effect is in the upper and lower ends of a word door, sliding door no matter open or closed state under all invisible track, it is whole Body is beautiful and generous；Trendy sliding door (push-pull mechanism) is in a word structure, and without the part of interlaced overlapping, materials are less, section Energy.

Detailed description of the invention:

Fig. 1 is the superstructure schematic diagram of open-and-close mechanism:

Fig. 2 is the substructure schematic diagram of open-and-close mechanism；

Fig. 3 is upper fixed pedestal structural schematic diagram；

Fig. 4 is the structural schematic diagram of slide track component on slide track component and second on first；

Fig. 5 is the middle end of upper section seat scheme of installation of slide track component on first；

Fig. 6 is upper skid rail structure diagram；

Fig. 7 is the structural schematic diagram after the dismantling of top end seat；

Fig. 8 is top end cover structure schematic diagram；

Fig. 9 is the structural schematic diagram after the dismantling of middle end of upper section seat；

Figure 10 is the ladder connecting axle structure schematic diagram of middle end of upper section seat；

Figure 11 is the pulley structure schematic diagram of middle end of upper section seat；

Figure 12 is the structural schematic diagram of middle end of upper section lid；

Figure 13 is the ladder thread spindle structural schematic diagram of middle end of upper section seat；

Figure 14 is the overlooking structure diagram of the first downslide rail assembly and the second downslide rail assembly；

Figure 15 is the present invention looks up structural representation of the first downslide rail assembly and the second downslide rail assembly；

Figure 16 is glidepath structural schematic diagram；

Figure 17 is the structural schematic diagram after following end seat dismantling；

Figure 18 is following end cover structure schematic diagram；

Figure 19 is T shape end structure schematic diagram；

Figure 20 is the structural schematic diagram after lower middle end seat dismantling；

Figure 21 is lower middle end cap structural schematic diagram；

Figure 22 is glidepath connecting base structure schematic diagram；

Figure 23 is the thread cnnecting shaft structural schematic diagram of lower middle end seat；

Figure 24 is the outer pulley structure schematic diagram of lower middle end seat；

Figure 25 is the assembling schematic diagram of slide track component and the first downslide rail assembly on first；

Figure 26 is the structural schematic diagram of the first plate body and the second plate body；

Figure 27 is the structural schematic diagram after the dismantling of bottom end fixation kit；

Figure 28 is the structural schematic diagram of bottom end fixed pedestal；

Figure 29 is the present invention looks up structural representation of lower end rotation seat；

Figure 30 is the overlooking structure diagram of lower end rotation seat；

Figure 31 is the present invention looks up structural representation after the dismantling of bottom righting component；

Figure 32 is the overlooking structure diagram after the dismantling of bottom righting component；

Figure 33 is lower rotation base construction schematic diagram；

Figure 34 is the upper rotating wheel structure schematic diagram of bottom righting component；

Figure 35 is the retaining ring structural schematic diagram of bottom righting component；

Figure 36 is the lower rotating wheel structure schematic diagram of bottom righting component；

Figure 37 is the axle structure illustration of bottom righting component；

Figure 38 is lower fixed pedestal structural schematic diagram；

Figure 39 is the bolt structure schematic diagram of bottom righting component；

Figure 40 is the scheme of installation of bottom righting component；

Figure 41 is maincenter functional unit structural schematic diagram；

Figure 42 is the overlooking structure diagram of upper rotating basis；

Figure 43 is the present invention looks up structural representation of upper rotating basis；

Figure 44 is jackscrew spring pearl structural schematic diagram；

Figure 45 is rotation connecting axle structure schematic diagram；

Figure 46 is lock bolt structure schematic diagram；

Figure 47 is the rotation schematic diagram of maincenter functional unit after open-and-close mechanism is opened；

The scheme of installation of maincenter functional unit when Figure 48 is open-and-close mechanism closure；

Figure 49 is the top scheme of installation of mechanism under open-and-close mechanism closed state；

Figure 50 is the lower part scheme of installation of mechanism under open-and-close mechanism closed state.

Specific embodiment:

Embodiment one

Referring to each figure, a kind of two-way dislocation type push-and-pull open-and-close mechanism, including the upper fixed pedestal for fixing open-and-close mechanism 1, it can rotate and slide track component 8 on slide track component 2 and second on symmetrical first, can misplace sliding and symmetrical The first downslide rail assembly 3 and the second downslide rail assembly 7, the first symmetrical plate body 4 and the second plate body 5, can rotate and The maincenter functional unit 6 of locking, the bottom righting component 9 that can be rotated and symmetrical bottom end fixation kit 10；Described One end of slide track component 8 is hinged with the both ends of upper fixed pedestal 1 respectively on slide track component 2 and second on one；Described first glides Rail assembly 3 and the second downslide rail assembly 7 respectively with first on slide track component 2 and second slide track component 8 by can be in track The pulley of interior rolling couples；The first downslide rail assembly 3 and the second downslide rail assembly 7 respectively with the first plate body 4 and the second plate The top of body 5 connects；The bottom righting component 9 is installed in the pedestal sliding slot of bottom end fixation kit 10, bottom end fixation kit 10 connect with the first plate body 4 and 5 bottom end of the second plate body respectively；The centre of the maincenter functional unit 6 and upper fixed pedestal 1 connect Connect, both ends respectively with first on slide track component 2 and second slide track component 8 the other end it is hinged.

Fixed pedestal 1 includes rectangular groove 13 and symmetrical outer 12, the centre of the rectangular groove 13 It is provided with the flat axis hole 11 for connecting maincenter functional unit 6, both ends are provided with the slide track component 2 and second on hinged first Slide track component 8 and symmetrical side seat connecting hole 14；The installation for fixed installation is additionally provided on fixed pedestal 1 Hole.

Slide track component 8 respectively includes sliding rail 21, top end seat 22, top on slide track component 2 and second on described first End cap 23, middle end of upper section seat 24 and middle end of upper section lid 25；The upper sliding rail 21 includes upper stealthy slideway 213 and symmetrical top spiral shell Pit 211 and bottom end threaded hole 214, upper stealth slideway 213 is interior to be equipped with symmetrical side pulley groove 212, upper stealth slideway 213 Bottom end is provided with lower through slot 215；The top end seat 22 includes upper stealthy slideway 213 and symmetrical top through-hole 225 and bottom Through-hole 226 is held, end seat 22 top in top is equipped with side end seat connecting shaft 221, is equipped with threaded connector at the top of side end seat connecting shaft 221 224；Top flare hole 231 and bottom end speaker hole 232 are provided on the top end cap 23；The middle end of upper section seat 24 includes upper stealth Slideway 213 and symmetrical pulley 243 are equipped with middle partition 242 among the upper stealthy slideway 213, and middle 242 bottom end of partition is opened There is pulley mounting hole 245, ladder connecting shaft 244 is installed in pulley mounting hole 245,244 both ends of ladder connecting shaft are equipped with first Threaded connection hole 247, the pulley 243 are installed in ladder connecting shaft 244 by the screw thread 240 of ladder thread spindle 246, pulley Ladder mounting hole 248 is provided on 243, the excircle of pulley 243 is equipped with semicircle annular projection 249, the middle end of upper section seat 24 Top is equipped with middle end seat thread cnnecting shaft 241, is provided with top flare hole 231, middle end seat 24 on the connecting plate of middle 24 side of end seat Bottom end is provided with bottom end through-hole 226；The top end seat 22 and top end cap 23 are connect by bolt with upper 21 one end of sliding rail, described Middle end of upper section seat 24 and middle end of upper section lid 25 are connect by bolt with the other end of upper sliding rail 21, slide track component 2 on first after assembling With second on the stealthy channel an of entirety is formed respectively in slide track component 8；It is sliding on slide track component 2 and second on described first Rail assembly 8 is hinged by side end seat connecting shaft 221 and upper fixed pedestal 1 respectively, and is fastened by gasket 223 and nut 222.

The first downslide rail assembly 3 and the second downslide rail assembly 7 respectively include glidepath 31, following end seat 32, following End cap 33, T shape end 34, lower middle end seat 35, lower middle end cap 36 and glidepath attachment base 37；The glidepath 31 includes lower stealth Slideway 316 and threaded mounting hole 314, lower stealth slideway 316 is interior to be equipped with symmetrical middle pulley slot 315, lower stealth slideway 316 Top is provided with through slot 311, and 31 two sides of glidepath are provided with outer pulley track 312, and 31 bottom of glidepath is equipped with dovetail attachment base 313；The following end seat 32 includes lower stealthy slideway 316 and symmetrical pulley 243, and it is logical that following end seat 32 is equipped with installation Hole 323, following 32 two sides of end seat are provided with outer pulley track 312, and following 32 bottom of end seat is equipped with dovetail attachment base 313, and dovetail connects It is equipped with the semicolumn end groove 322 for installing T shape end 34 among joint chair 313, symmetrical point is equipped at the top of following end seat 32 The side partition 321 of cloth, side partition 321 are equipped with installation threaded hole 324, and the pulley 243 is installed on by ladder thread spindle 246 On side partition 321；33 bottom end of following end cap is provided with groove 331, and following end cap 33 is equipped with installation speaker hole 332；The T Shape end 34 includes column end 341 and T-type fixing seat 342, and T shape end 34 is equipped with fixed mounting hole；The lower middle end seat 35 include lower stealthy slideway 316 and two groups of outer pulleys 354, and lower middle end seat 35 is equipped with installation through-hole 323, lower middle 35 two sides of end seat It is provided with outer pulley track 312, the top close to the outer pulley track 312 of lower end surface side and the outer pulley close to upper surface side Track 312 is respectively arranged below with the second symmetrical threaded connection hole 351, and the outer pulley 354 passes through washer 353 and spiral shell Line connecting shaft 352 is installed on the second threaded connection hole 351, and thread cnnecting shaft 352 includes short axle 357 and stud 356, outer pulley 354 one end is speaker hole 359, and the axial cross section of the excircle 358 of outer pulley 354 is V-arrangement；Lower middle 36 two sides of end cap are set There is outer pulley track 312, lower middle end cap 36 is equipped with installation speaker hole 332；It is provided on the glidepath attachment base 37 for pacifying Load the dovetail groove 371 of sliding rail 31 and the installation circular hole 372 for installing plate body；T shape end 34 passes through following end cap 33 Groove 331 be installed in the semicolumn end groove 322 of following end seat 32, following end seat 32 and following end cap 33 pass through bolt It is installed on one end of glidepath 31, the lower middle end seat 35 and lower middle end cap 36 are installed on the another of glidepath 31 by bolt It holds, the stealthy channel an of entirety is formed respectively in the first downslide rail assembly 3 and the second downslide rail assembly 7 after assembling, Two sides form respectively whole pulley track, and the glidepath attachment base 37 is installed on 31 bottom of glidepath by dovetail groove 371 Portion；The pulley 243 of the following end seat 32 of the first downslide rail assembly 3 and the second downslide rail assembly 7 is located on first sliding On rail assembly 2 and second in the stealthy slideway of slide track component 8, the first downslide rail assembly 3 and 7 one end of the second downslide rail assembly pass through The pulley 243 of following end seat 32 rolled in sliding way the mode of hanging respectively with first on sliding rail on slide track component 2 and second Component 8 connects.The pulley 243 of the middle end of upper section seat 24 of slide track component 8 is located on slide track component 2 and second on described first Once in the stealthy channel of slide track component 3 and the second downslide rail assembly 7, the first downslide rail assembly 3 and the second downslide rail assembly 7 are another One end in such a way that the pulley 243 of middle end of upper section seat 24 rolls hanging in glide path respectively with first on slide track component 2 and Slide track component 8 connects on two；When open-and-close mechanism is in the state that dislocation is opened, the outer pulley of 3 side of the first downslide rail assembly 354 are located at the outer pulley track 312 of 7 other side of the second downslide rail assembly, 354, the outer pulley of 7 side of the second downslide rail assembly Outer pulley track 312 in 3 side of the first downslide rail assembly；The column end 341 of T shape end 34 and top end seat 22 are pushed up The axis of the side end seat connecting shaft 221 at end is overlapped.

The top and bottom end of first plate body 4 and the second plate body 5 are respectively equipped with the first mounting groove 41, the first mounting groove 41 The interior threaded hole being equipped with for installation, the first plate body 4 and the second plate body 5 are pacified respectively by the threaded hole of the first mounting groove of top 41 On attachment base loaded on 7 bottom end of the first downslide rail assembly 3 and the second downslide rail assembly.

The bottom end fixation kit 10 includes bottom end fixed pedestal 101, lower end rotation seat 102 and T shape end 34, and bottom end is solid Determine pedestal 101 and be equipped with dislocation stepped groove 1011, dislocation 1011 both ends of stepped groove are provided with connected circular hole 1012, lower end rotation seat The semicolumn end groove 322 for installing T shape end 34 is provided among 102, groove 322 two sides in semicolumn end are equipped with and are used for The installation aperture 1022 of plate body is connected, installation 1022 bottom end of aperture is equipped with the second mounting groove 1021；T shape end 34 is installed on In the semicolumn end groove 322 of lower end rotation seat 102, the lower end rotation seat 102 and bottom end fixed pedestal 101 pass through respectively Bolt is installed on the bottom of the first plate body 4 and the second plate body 5.The T shape end 34 of described two 10 two sides of bottom end fixation kit with The column end 341 of the T shape end 34 of 7 side of first downslide rail assembly 3 and the second downslide rail assembly is on same central axes.

The bottom righting component 9 includes lower rotating basis 91, lower fixed pedestal 96 and symmetrical wheel shaft 95；It is described Lower rotating basis 91 is equipped with the symmetrical wheel shaft of base aperture 912 and two for installing pressure bearing 98 and installs threaded hole 911；The lower fixed pedestal 96 is equipped with axis 961, and lower fixed pedestal 96 is installed on lower rotating basis 91 by pressure bearing 98 Base aperture 912 in；Described 95 one end of wheel shaft is equipped with internal screw thread 951, and the other end is equipped with external screw thread 952, on wheel shaft 95 successively Lower rotating wheel 94, retaining ring 93, upper rotating wheel 92 and screw 97 are installed, screw ladder mounting hole 921, group are set in upper rotating wheel 92 Wheel shaft 95 after dress is installed in the wheel shaft installation threaded hole 911 of lower rotating basis 91；The bottom righting component 9 passes through both ends Assembling after wheel shaft 95 be installed in the dislocation stepped groove 101 of symmetrical bottom end fixed pedestal 10.

The maincenter functional unit 6 includes rotating basis 61, rotation connecting shaft 62 and lock tongue 63；The upper rotating basis 61 Including intermediate stepped hole 611 and two symmetrical ladder chute holes 612, the macropore two sides of intermediate stepped hole 611 are equipped with top Silk mounting hole 615, the jackscrew spring pearl 614 that can be stretched is equipped in jackscrew mounting hole 615, and jackscrew spring pearl 614 includes top Silk 617, spring 618 and hoodle 619, hoodle 619 are connect with one end of spring 618, and the other end of jackscrew 617 and spring 618 connects It connects, adjusting screw hole 613 is equipped on the outside of the macropore of ladder chute hole 612, limit is installed in adjusting screw hole 613 and adjusts spiral shell Silk；The rotation connecting shaft 62 includes hoodle shaft 624, connects shaft 623, pedestal connection flat axis 622 and flat thread head 621, Hoodle shaft 624 is equipped with two groups of symmetrical ballistics bowls 625, the quantity of every group of ballistics bowl 625 many 3, described Ballistics bowl 625 is less than hemisphere bowl, and 624 bottom of hoodle shaft is equipped with symmetrical lock tongue connecting plate 626, lock tongue connection Plate 626 is equipped with lock tongue connecting hole 627；The lock tongue 63 includes lock tongue plate 631, lock tongue body 632 and the lock tongue that can be rotated Wheel 633, lock tongue plate 631 are equipped with lock tongue connecting hole 627, and the lock tongue wheel 633 is installed on the shaft shoulder of 632 bottom end of lock tongue body On；The rotation connecting shaft 62 is installed in the intermediate stepped hole 611 of rotating basis 61, jackscrew spring pearl 614 after installation Hoodle 619 is stuck in the ballistics bowl 625 of intermediate stepped hole 611, and the lock tongue 63 is connect by pin shaft with rotation connecting shaft 62； The maincenter functional unit 6 is installed on the flat axis hole 11 of upper fixed pedestal 1 by the flat thread head 621 on top and attaching nut On；Slide track component 8 is installed on by the thread spindle and attaching nut of its end respectively on slide track component 2 and second on described first In two ladder chute holes 612 of maincenter functional unit 6.

First plate body 4 and the second plate body 5 difference door-plate, glass door assembly or windowpane assembly.

First plate body 4 and the second plate body 5 are in concordant state after open-and-close mechanism closure.

The assembling mode of this open-and-close mechanism

Glidepath attachment base is first affixed to the top of left and right door body, then by the first downslide rail assembly and the second glidepath group The glidepath of part is connected with glidepath attachment base respectively, and door body and top chute system is made to be combined as a whole, and the bottom end of door body is solid Determine pedestal to install to the bottom of left and right door body, in conjunction with chute system bottom righting component, forms unified movement system. Top chute system is further described through by taking left side as an example, the composition and connection type of left side slide track component: the upper sliding rail in left side With the connection of glidepath, connection type are as follows: for the tail end of upper and lower slide rail by way of suspension sheave, suspension sheave is in following end seat The pulley of upper design, plate, will in the invisible track that upper sliding rail opening directed downwardly contains sliding rail between pulley and following end seat The two is strung, and the other end is then the plate between the pulley being arranged and middle end of upper section seat on the middle end of upper section seat of upper sliding rail by way of hanging wheel Across the opening of glidepath upward, contain in the invisible track of glidepath, thus the upper and lower sliding rail in left side snaps together, on Lower T shape end is installed on flute profile doorframe, and the position for designing installation is just embedded in the semicolumn end groove of glidepath side end seat, And the axle center of the cylinder of T shape end is overlapped with the axle center of the connecting shaft of upper sliding rail side end seat.The connection type of right side slide track component It is identical as left side.On first on slide track component and second slide track component and upper fixed pedestal connection type are as follows: by taking left side as an example, Tail end is connect by upper sliding rail side end seat connecting shaft with upper fixed pedestal, and the other side passes through end seat connecting shaft and top in upper sliding rail Maincenter functional unit rotating basis connection, and the maincenter functional unit at top is connected by connecting shaft and upper fixed pedestal, The connection type on right side is identical as left side.Door body bottom then passes through bottom end fixed pedestal and connect with bottom righting component slippage, such as This, entire open-and-close mechanism is linked to be the entirety that can play design function.

The motion principle of this open-and-close mechanism:

By taking offside door is opened in push-and-pull as an example, the position of the close centre of offside door, the above sliding rail side of door body are pushed to front End seat connecting shaft and upper and lower T shape end cylinder axle center are axis, drive the glidepath rotational action on top, and glidepath interlocks entire left Sideslip rail assembly does synchronization action, makes whole gearing, which drives top further through the connecting shaft in end seat in upper sliding rail The rotating basis of portion's maincenter functional unit rotates, and the rotation of rotating base interlocks the upper sliding rail of the other side (right side) door with its side end The connecting shaft of seat is that rotation axis misplaces rotation in the opposite direction, the movement interlock on the right side of slide track component and right side door body it is same The displacement of step and consistent movement, both sides' dislocation rotation is mobile according to design size, when turning to predeterminated position, by installing Bolt is adjusted in limit in adjusting screw hole to guarantee to prevent further movement, and the spring bullet being arranged on maincenter functional unit The effect of pearl and interior hoodle hole can guarantee that door body is paused motionless in position, and left and right door body misplaces completely at this time, a siding track The outer pulley track of outer another siding track of pulley face on road, and the outer pulley track on another siding track then face with respect to one Outer pulley on siding track.By offside door further along track side direction slide-open to the right, door body and glidepath synchronization action, The movement is based on: door body slipper tail portion is to be contained in the invisible track of upper sliding rail to slide with the pulley on glidepath side end seat Dynamic, middle part end portion is that the invisible track of end seat in glidepath contains the pulley sliding gone up in sliding rail in end seat, sliding action In progress, the outer side roller in glidepath in end seat enters the outer side track of right side glidepath, and the outer side track of glidepath enters The outer side roller of end seat in the glidepath of right side balances the weight of door body from the hanging wheel at middle part, gradually as the displacement of traveling increases It is transferred to outer side roller and outer side track.In addition, after this movement starts, the middle part end of the glidepath that left side moves synchronously by this Shi Juzhong motionless lock tongue wheel is lifted off its direction of advance, and the position that lock tongue deviates just is stuck in the front of offside door, and locking makes It cannot take action, but do not influence the unlatching of offside door and continue to slide, until entire door body is opened to the maximum opening of design.This For one, completely push-and-pull breakdown action, closing motion are on the contrary.Open B side door movement with it is upper identical.This folding is double-sided doors Body concordantly designs, rotation dislocation, slides laterally form, the design of ground rail-free, left and right door body, which is taken, first to be pushed away, and that slides afterwards opens Mode is opened, no matter people is inside or outside in door body, is started with the movement pushed away, slide-open terminates, and can call it Pure bilateral, four-way sliding door.

The structure and motion principle of maincenter functional unit and bottom righting component

The positioning of top maincenter functional unit is connected together by connecting shaft and the fixation of upper fixed pedestal, maincenter functional group The upper rotating basis of part can be freely rotated around connecting shaft, and it mainly includes that elongated ladder is sliding that rotating basis two sides, which separately design, Hole, adjusting screw hole and two outer spring hoodle hole compositions, the middle end seat connecting shaft of the ladder slide opening of two sides and two upper sliding rails It is slidably connected, design has 6 small hemispherical interior hoodle hole, under the state of normal position, two outer springs on the thick axle bed of connecting shaft Hoodle in hoodle hole is respectively embedded into the hole of bead among the interior hoodle hole in connecting shaft thick axle bed two sides three, and hoodle is by jackscrew and bullet Spring is located in outer spring hoodle hole, the telescopic slide in hole, thick axle bed envisaged underneath can have lock tongue under the effect of external force Connecting plate has lock tongue connecting hole on lock tongue connecting plate, which is used to the chain tongue of axis, and lock tongue can carry out backswing along the direction of design Dynamic, entire maincenter functional unit mainly assists to complete three critical functions: the 1, dislocation motion of left and right door body；2, two sides door body is wrong Position keeps pausing motionless when arriving design position；3, when slide displacement occurs for side door body, locking other side door body fixes it It is motionless.

Bottom righting component is to position to fix by lower end fixed pedestal, and lower end rotating basis can be around bottom end fixed pedestal certainly By rotating, the design of lower end rotating basis both ends has wheel shaft, and two rotating wheels, rotating wheel insertion installation are respectively equipped on each wheel shaft In in the lower fixed pedestal of door body, rotating wheel can be interior free to slide in dislocation stepped groove.

The principle of maincenter functional unit is described for first pushing left side side door body to open

Left side side door body is pushed, is rotated movement around side end seat connecting shaft, which passes through in end seat in upper sliding rail Connecting shaft, drive the upper rotating basis of maincenter functional unit to rotate around connecting shaft, the rotation of upper rotating basis interlocks the other side The middle end seat connecting shaft of upper sliding rail rotates backward, and it is whole using right edge end seat connecting shaft as rotation axis turn that this movement interlocks right side It is dynamic, dislocation motion is completed, first critical function of maincenter functional unit, " dislocation motion of left and right door body " are implemented；Upper rotation The displacement of pedestal rotation is mobile according to design size, when turning to predeterminated position, two sides hoodle hoodle out of thick axle bed centre Hole slips into another interior hoodle hole and pauses, and separately has limit adjusting screw to guarantee to prevent further rotational action, completes Second critical function of maincenter functional unit, " keeping pausing when door body dislocation in two sides is to design position motionless "；By offside door Further along track side direction slide-open to the right, door body and glidepath synchronization action, the middle part end of glidepath will occupy at this time In motionless lock tongue wheel be lifted off its direction of advance and mobile to the other side, the entire lock tongue of the mobile drive of lock tongue wheel is swung, lock tongue The front that the position after deviateing just is stuck in offside door is swung, locking prevents it from taking action, but does not influence the unlatching of offside door And continue to slide, the third critical function of maincenter functional unit is completed, " when slide displacement occurs for side door body, locking is another Side door body keeps its fixed ", until entire door body is opened to the maximum opening of design.

Claims (10)

1. a kind of two-way dislocation type pushes and pulls open-and-close mechanism, it is characterised in that: including the upper fixed pedestal for fixing open-and-close mechanism (1), it can rotate and slide track component (8) on slide track component (2) and second on symmetrical first, can misplace sliding and right Claim the first downslide rail assembly (3) and the second downslide rail assembly (7), symmetrical the first plate body (4) and the second plate body of distribution (5), it can rotate and the maincenter functional unit (6) of locking, the bottom righting component (9) that can rotate and symmetrical bottom end Fixation kit (10)；On described first on slide track component (2) and second one end of slide track component (8) respectively with upper fixed pedestal (1) both ends are hinged；The first downslide rail assembly (3) and the second downslide rail assembly (7) respectively with first on slide track component (2) With second on slide track component (8) pass through the pulley that can roll in orbit and couple；The first downslide rail assembly (3) and second Downslide rail assembly (7) is connect with the top of the first plate body (4) and the second plate body (5) respectively；Bottom righting component (9) installation In in the pedestal sliding slot of bottom end fixation kit (10), bottom end fixation kit (10) respectively with the first plate body (4) and the second plate body (5) Bottom end connection；The centre of the maincenter functional unit (6) is connect with upper fixed pedestal (1), both ends respectively with first on sliding rail The other end of slide track component (8) is hinged on component (2) and second.

2. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: fixed pedestal It (1) include rectangular groove (13) and symmetrical outer (12), the centre of the rectangular groove (13) is provided in for connecting The flat axis hole (11) of pivot functional unit (6), both ends are provided on hinged first slide track component on slide track component (2) and second (8) and symmetrical side seat connecting hole (14)；The mounting hole for fixed installation is additionally provided on fixed pedestal (1).

3. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: sliding rail on described first Slide track component (8) respectively includes sliding rail (21), top end seat (22), top end cap (23), middle end of upper section on component (2) and second Seat (24) and middle end of upper section lid (25)；The upper sliding rail (21) includes upper stealthy slideway (213) and symmetrical top threaded hole (211) and bottom end threaded hole (214) symmetrical side pulley groove (212), is equipped in upper stealth slideway (213), it is upper stealthy sliding Road (213) bottom end is provided with lower through slot (215)；The top end seat (22) includes upper stealthy slideway (213) and symmetrical top Through-hole (225) and bottom end through-hole (226) are held, end seat (22) top in top is equipped with side end seat connecting shaft (221), side end seat connecting shaft (221) top is equipped with threaded connector (224)；Top flare hole (231) and bottom end loudspeaker are provided on the top end cap (23) Hole (232)；The middle end of upper section seat (24) includes upper stealthy slideway (213) and symmetrical pulley (243), and the upper stealth is sliding Middle partition (242) are equipped among road (213), middle partition (242) bottom end is provided with pulley mounting hole (245), pulley mounting hole (245) It is inside equipped with ladder connecting shaft (244), ladder connecting shaft (244) both ends are equipped with the first threaded connection hole (247), the pulley (243) it is installed on ladder connecting shaft (244) by the screw thread (240) of ladder thread spindle (246), pulley is provided with rank on (243) Terraced mounting hole (248), the excircle of pulley (243) are equipped with semicircle annular projection (249), middle end of upper section seat (24) top Equipped with middle end seat thread cnnecting shaft (241), top flare hole (231), middle end seat are provided on the connecting plate of middle end seat (24) side (24) bottom end is provided with bottom end through-hole (226)；The top end seat (22) and top end cap (23) pass through bolt and upper sliding rail (21) One end connection, the middle end of upper section seat (24) and middle end of upper section lid (25) are connect by bolt with the other end of upper sliding rail (21), are assembled Form respectively the stealthy channel an of entirety on first afterwards on slide track component (2) and second in slide track component (8)；Described Slide track component (8) is cut with scissors by side end seat connecting shaft (221) and upper fixed pedestal (1) respectively on slide track component (2) and second on one It connects, and is fastened by gasket (223) and nut (222).

4. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: first glidepath Component (3) and the second downslide rail assembly (7) respectively include glidepath (31), following end seat (32), following end cap (33), T shape end Head (34), lower middle end seat (35), lower middle end cap (36) and glidepath attachment base (37)；The glidepath (31) includes lower stealthy sliding Road (316) and threaded mounting hole (314), lower stealth slideway (316) is interior to be equipped with symmetrical middle pulley slot (315), lower stealth Slideway (316) top is provided with through slot (311), and glidepath (31) two sides are provided with outer pulley track (312), glidepath (31) bottom Equipped with dovetail attachment base (313)；The following end seat (32) includes lower stealthy slideway (316) and symmetrical pulley (243), Following end seat (32) is equipped with installation through-hole (323), and following end seat (32) two sides are provided with outer pulley track (312), following end seat (32) bottom is equipped with dovetail attachment base (313), and the semicircle for installing T shape end (34) is equipped among dovetail attachment base (313) Styletable head groove (322), following end seat (32) top are equipped with symmetrical side partition (321), and side partition (321) is equipped with peace It fills threaded hole (324), the pulley (243) is installed on side partition (321) by ladder thread spindle (246)；The lower side end Lid (33) bottom end is provided with groove (331), and following end cap (33) is equipped with installation speaker hole (332)；T shape end (34) includes Column end (341) and T-type fixing seat (342), T shape end (34) are equipped with fixed mounting hole；Lower middle end seat (35) packet Lower stealthy slideway (316) and two groups of outer pulleys (354) are included, lower middle end seat (35) is equipped with installation through-hole (323), lower middle end seat (35) two sides are provided with outer pulley track (312), close to the top of the outer pulley track (312) of lower end surface side and close to upper surface The outer pulley track (312) of side is respectively arranged below with symmetrical the second threaded connection hole (351), the outer pulley (354) it is installed on the second threaded connection hole (351) by washer (353) and thread cnnecting shaft (352), thread cnnecting shaft (352) include short axle (357) and stud (356), one end of outer pulley (354) is speaker hole (359), outer pulley (354) it is outer The axial cross section of circumference (358) is V-arrangement；Lower middle end cap (36) two sides are equipped with outer pulley track (312), lower middle end cap (36) It is equipped with installation speaker hole (332)；The dovetail groove for installing glidepath (31) is provided on the glidepath attachment base (37) (371) and the installation circular hole (372) for installing plate body；T shape end (34) passes through the groove (331) of following end cap (33) It is installed in the semicolumn end groove (322) of following end seat (32), following end seat (32) and following end cap (33) pass through bolt It is installed on one end of glidepath (31), lower middle end seat (35) the He Xiazhong end cap (36) is installed on glidepath (31) by bolt The other end, form respectively the hidden of an entirety in the first downslide rail assembly (3) and the second downslide rail assembly (7) after assembling Shape channel, two sides form respectively whole pulley track, and the glidepath attachment base (37) is installed by dovetail groove (371) In glidepath (31) bottom；The pulley of the following end seat (32) of the first downslide rail assembly (3) and the second downslide rail assembly (7) (243) it is located on slide track component on first (2) and second in the stealthy slideway of slide track component (8), the first downslide rail assembly (3) and second downslide rail assembly (7) one end is in such a way that the pulley (243) of following end seat (32) rolls hanging in sliding way It is connect respectively with slide track component (8) on slide track component on first (2) and second.

5. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: first plate body (4) it is respectively equipped with the first mounting groove (41) with the top of the second plate body (5) and bottom end, is equipped in the first mounting groove (41) for pacifying The threaded hole of dress, the first plate body (4) and the second plate body (5) are respectively arranged in by the threaded hole of the first mounting groove of top (41) Once on slide track component (3) and the attachment base of second downslide rail assembly (7) bottom end.

6. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: the fixed group in the bottom end Part (10) includes bottom end fixed pedestal (101), lower end rotation seat (102) and T shape end (34), on bottom end fixed pedestal (101) Equipped with dislocation stepped groove (1011), dislocation stepped groove (1011) both ends are provided with connected circular hole (1012), in lower end rotation seat (102) Between be provided with semicolumn end groove (322) for installing T shape end (34), semicolumn end groove (322) two sides, which are equipped with, to be used In the installation aperture (1022) of connection plate body, installation aperture (1022) bottom end is equipped with the second mounting groove (1021)；T shape end (34) it is installed in the semicolumn end groove (322) of lower end rotation seat (102), the lower end rotation seat (102) and bottom end are solid Determine the bottom that pedestal (101) is installed on the first plate body (4) and the second plate body (5) by bolt respectively.

7. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: the bottom righting group Part (9) includes lower rotating basis (91), lower fixed pedestal (96) and symmetrical wheel shaft (95)；The lower rotating basis (91) It is equipped with base aperture (912) and two for installing pressure bearing (98) symmetrical wheel shaft and threaded hole (911) is installed；Institute Lower fixed pedestal (96) are stated equipped with axis (961), lower fixed pedestal (96) is installed on lower rotating basis by pressure bearing (98) (91) in base aperture (912)；Described wheel shaft (95) one end is equipped with internal screw thread (951), and the other end is equipped with external screw thread (952), Lower rotating wheel (94), retaining ring (93), upper rotating wheel (92) and screw (97), upper rotating wheel (92) are sequentially installed on wheel shaft (95) On set screw ladder mounting hole (921), the wheel shaft (95) after assembling be installed on lower rotating basis (91) wheel shaft installation threaded hole (911) in；Wheel shaft (95) after the assembling that the bottom righting component (9) passes through both ends is installed on symmetrical bottom end pedestal Stepped groove in.

8. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: the maincenter functional group Part (6) includes upper rotating basis (61), rotation connecting shaft (62) and lock tongue (63)；The upper rotating basis (61) includes scala media Pacify equipped with jackscrew the macropore two sides of terraced hole (611) and two symmetrical ladder chute holes (612), intermediate stepped hole (611) It fills hole (615), the jackscrew spring pearl (614) that can be stretched, jackscrew spring pearl (614) packet is installed in jackscrew mounting hole (615) Jackscrew (617), spring (618) and hoodle (619) are included, hoodle (619) is connect with one end of spring (618), jackscrew (617) and bullet The other end of spring (618) connects, and is equipped with adjusting screw hole (613) on the outside of the macropore of ladder chute hole (612), adjusting screw hole (613) limit adjusting screw is installed in；The rotation connecting shaft (62) include hoodle shaft (624), connection shaft (623), Pedestal connection flat axis (622) and flat thread head (621), hoodle shaft (624) are equipped with two groups of symmetrical ballistics bowls (625), many 3 of the quantity of every group of ballistics bowl (625), the ballistics bowl (625) are less than hemisphere bowl, the hoodle shaft (624) bottom is equipped with symmetrical lock tongue connecting plate (626), and lock tongue connecting plate (626) is equipped with lock tongue connecting hole (627)； The lock tongue (63) includes lock tongue plate (631), lock tongue body (632) and the lock tongue wheel (633) that can be rotated, lock tongue plate (631) lock tongue connecting hole (627) are equipped with, the lock tongue wheel (633) is installed on the shaft shoulder of lock tongue body (632) bottom end；It is described Rotation connecting shaft (62) is installed in the intermediate stepped hole (611) of rotating basis (61), jackscrew spring pearl (614) after installation Hoodle (619) is stuck in the ballistics bowl (625) of intermediate stepped hole (611), and the lock tongue (63) is connected by pin shaft and rotation Axis (62) connection；The maincenter functional unit (6) is installed on upper fixed base by the flat thread head (621) on top and attaching nut On the flat axis hole (11) of seat (1)；Slide track component (8) passes through its end respectively on slide track component (2) and second on described first Thread spindle and attaching nut are installed in two ladder chute holes (612) of maincenter functional unit (6).

9. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: first plate body (4) and the second plate body (5) distinguishes door-plate, glass door assembly or windowpane assembly.

10. a kind of two-way dislocation type according to claim 1 pushes and pulls open-and-close mechanism, it is characterised in that: first plate body (4) and the second plate body (5) is in concordant state after open-and-close mechanism closure.