CN109930954B - Hook type curtain wall opening anti-falling device - Google Patents
Hook type curtain wall opening anti-falling device Download PDFInfo
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- CN109930954B CN109930954B CN201910302303.1A CN201910302303A CN109930954B CN 109930954 B CN109930954 B CN 109930954B CN 201910302303 A CN201910302303 A CN 201910302303A CN 109930954 B CN109930954 B CN 109930954B
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Abstract
The invention discloses a hook type curtain wall opening anti-drop device, which comprises a cross beam, wherein the upper end and the lower end of the cross beam are respectively and fixedly provided with a window frame which corresponds up and down, the middle part of the outer side surface of the cross beam is provided with an E-shaped clamping groove for clamping a guide rail, the two transverse groove side walls of the E-shaped clamping groove are respectively distributed with positioning grooves which are arranged at intervals, the rear end part of the guide rail is provided with two clamping strips which are matched with the E-shaped clamping groove, and the two side surfaces of the clamping strip are distributed with arc-shaped elastic jacking mechanisms which are respectively arranged corresponding to the positioning grooves, the outer side surfaces of the cross beams on the upper side and the lower side of the E-shaped clamping groove are respectively provided with limiting clamping grooves which are symmetrically arranged, the upper end and the lower end of the guide rail are not respectively provided with limiting clamping parts matched with the limiting clamping grooves, the outer sides of the limiting clamping parts are respectively provided with a clamping hook, the clamping hook is matched with a corresponding hook on a window sash, and the outer end surface of the window sash is provided with a curtain. The invention has the advantages of good stability, high strength and good ventilation performance, avoids the phenomenon of unstable falling off when the automobile is opened frequently, and has the functions of buffering and limiting.
Description
The technical field is as follows:
the invention relates to the technical field of curtain wall structures, in particular to a hook type curtain wall opening anti-falling device.
Background art:
the curtain wall opening fan is commonly used on the curtain wall of a building, on one hand, the ventilation requirement of the building can be met, and on the other hand, the heat preservation, sealing and sound insulation of the building can be ensured; at present, a curtain wall opening sash is generally directly hooked through a hook connecting structure, and a baffle plate for preventing a sash from falling off needs to be installed above the hook connecting structure in consideration of the unhooking problem; the baffle is fixed on the aluminum alloy beam of the curtain wall by self-tapping screws, and the wall thickness of the aluminum alloy section of the beam is only 2.5mm generally, so that the reliability of screw connection is not high; the opening window can vibrate under the action of positive and negative wind pressure, and the screw is easy to fall off.
The patent aiming at the technical defects comprises the following steps: 201820387069.8 discloses a hook type curtain wall opening fan, which overcomes the defect that the prior structure is easy to fall off, but the fixing of the guide rail and the beam only adopts a positioning clamping structure in four directions of up, down, left and right, although the guide rail and the beam can be fixed, the stability is still poor, because the curtain wall board can be acted by wind power when being opened, because the front and back directions are not positioned, the dislocation phenomenon can be generated due to the long-term wind power, the limit to the front and back directions needs to be increased, and the prior curtain wall board is mostly in an opening state from bottom to top when being opened, the opening angle is very small, the ventilation performance is poor, because the whole large space is limited, the ventilation performance can not meet the requirement of good air environment, and the large wind power can cause that the curtain wall board has larger acting force to the window frame under the effect of the wind power when closing the curtain wall board, sometimes, the deformation problem due to excessive force occurs, so that the buffer limit is needed.
The invention content is as follows:
the invention aims to make up the defects of the prior art, and provides the hook type curtain wall opening anti-falling device which has the advantages of good stability, high strength and good ventilation performance, avoids the phenomenon of unstable falling during frequent opening, and has the functions of buffering and limiting.
The invention is realized by the following technical scheme:
the utility model provides a couple formula curtain opens dropout prevention means, including the crossbeam, its characterized in that: the upper end and the lower end of the crossbeam are respectively fixedly provided with a window frame which vertically corresponds, the middle part of the outer side surface of the crossbeam is provided with an E-shaped clamping groove for clamping a guide rail, the two transverse groove side walls of the E-shaped clamping groove are respectively distributed with positioning grooves which are arranged at intervals, the rear end part of the guide rail is provided with two clamping strips which are matched with the E-shaped clamping groove, the two side surfaces of each clamping strip are distributed with arc-shaped elastic jacking mechanisms which are respectively arranged corresponding to the positioning grooves, the outer side surfaces of the crossbeam above and below the E-shaped clamping groove are respectively provided with limiting clamping grooves which are symmetrically arranged, the upper end and the lower end of the guide rail are not respectively provided with a limiting clamping part which is matched with the limiting clamping grooves, the outer sides of the limiting clamping parts are respectively provided with clamping hooks, the clamping hooks at the upper end part of the guide rail are arranged downwards, the clamping hooks at the lower, the outer end face of the window sash is provided with a curtain wall plate, and the front end part of the guide rail is provided with a water-covering adhesive tape corresponding to the transitional joint of the outer side wall of the curtain wall plate above and below the guide rail.
The window frame and the cross beam are fixedly installed through screws respectively, and a sealing groove is formed in the connecting transition position of the inner side surfaces between the window frame and the cross beam.
The arc-shaped surface elastic jacking mechanism is installed in a groove corresponding to the front end of a guide rail and comprises an installation plate and a top plate, the installation plate is fixedly installed in a guide rail guide groove through bolts, guide pillars are distributed on the installation plate, guide sleeves are sleeved on the guide pillars, limiting plates are arranged at the end parts of the guide pillars in the guide sleeves, springs are sleeved on the guide pillars between the guide sleeves and the installation plate, the guide sleeves are installed on the top plate, arc-shaped positioning blocks are installed on the top plate, and the overall heights of the arc-shaped positioning blocks, the installation plate, the top plate, the guide sleeves and the guide pillars are matched with the depth of the groove.
The window sash hook is characterized in that a limiting rotating hook is arranged on the other side of the window sash hook mounting surface, a hemispherical auxiliary limiting block correspondingly matched with the limiting rotating hook is arranged on the guide rail, and the hemispherical auxiliary limiting block is respectively mounted on the end faces of the reinforcing ribs obliquely arranged at the upper end and the lower end of the guide rail.
The guide rail front end portion be equipped with inside sunken cavity, be equipped with the draw-in groove on the front end portion of cavity, the T shape fixed block that the level set up is equipped with to the draw-in groove, the preceding tip of T shape fixed block install with upper and lower cover water adhesive tape complex arc transition and cover water adhesive tape.
The inner side of the upper end surface of the upper window frame and the inner side of the bottom end surface of the lower window frame are respectively provided with a limiting column, and a rubber shock pad is arranged on the limiting column.
The anti-disengaging device is characterized in that anti-disengaging blocks are respectively installed on the lower end face of the upper window sash and the upper end face of the lower window sash, the anti-disengaging blocks and the window sashes are installed in a clamping and matching mode through clamping grooves and clamping blocks, elastic auxiliary limiting columns are respectively installed on the anti-disengaging blocks, the elastic auxiliary limiting columns are of a sleeve type structure and comprise an inner rod and an outer tube, a spring is sleeved on the inner rod between the outer tube and the anti-disengaging blocks, and the end portions of the outer tube are provided with rubber shock pads.
The principle is as follows: through the structure that the curtain wall boards above and below the cross beam are opened, the ventilation quantity is increased, the curtain wall board above the cross beam is opened upwards, the curtain wall board below the cross beam is opened downwards, a circulation is formed during ventilation, the rapid circulation of indoor air is ensured, the ventilation performance is good, the curtain wall board above the cross beam is closed only when a rainy day occurs, the upper curtain wall board and the lower curtain wall board share one guide rail, on one hand, the installation times of the guide rail are reduced, on the other hand, the two curtain wall boards share one guide rail, the thickness of the guide rail can be properly increased, and the strength of the guide rail is imposed, the upper limiting clamping groove and the lower limiting clamping groove on the cross beam are clamped with the limiting clamping part of the guide rail, the upper positioning, the lower positioning and the left positioning can be realized, meanwhile, the E-shaped clamping groove and the arc-shaped elastic clamping mechanism on the clamping strip are matched, the integral stability is ensured, and the phenomenon of dislocation caused by long-term wind action because the curtain wall plate can be subjected to the wind action when being opened is avoided; the arc-shaped surface elastic jacking mechanism is fixedly installed through the installation plate, the arc-shaped positioning blocks are guided under the action force of the springs, when the arc-shaped surface elastic jacking mechanism does not reach the corresponding positioning grooves, the arc-shaped positioning blocks are in a compression state, and when the arc-shaped positioning blocks reach the corresponding positioning grooves, the arc-shaped positioning blocks are matched with the positioning grooves and are in a clamping state.
The opposite side through casement couple installation face is equipped with spacing rotation pothook, it cooperates with the supplementary stopper of the episphere spheroid of guide rail, play the effect of supplementary direction on the one hand, on the other hand can carry out fine spacing to the flip angle, avoid the phenomenon of unhook, arc transition through the guide rail front end portion drapes over the structure of adhesive tape, the problem that sealing performance is not good between the upper and lower draped over adhesive tape has been avoided, through the structure of spacing post and rubber shock pad on the window frame and spacing post and rubber shock pad are assisted to casement anticreep piece elasticity, the spacing effect of buffering has been played, avoid big wind-force probably when closing curtain wall board, curtain wall board is bigger to the effort of window frame under the effect of wind-force, the problem that too vigorously and warp sometimes can.
The invention has the advantages that:
the curtain wall board has the advantages of reasonable overall structural design, good stability, high strength and good ventilation performance, avoids the phenomenon of unstable falling off when the curtain wall board is opened frequently, has the function of buffering and limiting, and avoids the problems that when the curtain wall board is closed by large wind force, the curtain wall board has larger acting force on a window frame under the action of the wind force, and the curtain wall board deforms due to excessive force.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial structure enlarged view of the installation fit of the arc-shaped surface elastic jacking mechanism.
Fig. 3 is an enlarged view of a part of the front end of the guide rail.
The specific implementation mode is as follows:
see the drawings.
A hook type curtain wall opening anti-falling device comprises a cross beam 1, wherein the upper end and the lower end of the cross beam 1 are respectively and fixedly provided with a window frame 2 and a window frame 3 which are corresponding to each other up and down, the middle part of the outer side surface of the cross beam 1 is provided with an E-shaped clamping groove 4 for clamping a guide rail 6, two transverse groove side walls of the E-shaped clamping groove 4 are respectively distributed with positioning grooves 5 which are arranged at intervals, the rear end part of the guide rail 6 is provided with two clamping strips 7 which are matched with the E-shaped clamping groove 4, two side surfaces of each clamping strip 7 are distributed with arc surface elastic abutting mechanisms 8 which are respectively corresponding to the positioning grooves 5, the outer side surfaces of the cross beam 1 above and below the E-shaped clamping groove 4 are respectively provided with limiting clamping grooves 9 which are symmetrically arranged, the upper end and the lower end of the guide rail 6 are not respectively provided with limiting clamping parts 10 which are matched with the limiting, the pothook of its guide rail 6 upper end sets up downwards, and the pothook of tip down upwards sets up, and the tip of pothook 11 is spherical, pothook 11 cooperates in couple 13 on its casement 12 that corresponds, install curtain board 14 on the outer terminal surface of casement 12, the front end tip of guide rail 6 is installed rather than the apron flashing adhesive tape 27 that upper and lower curtain board lateral wall transitional coupling department corresponds.
The window frames 2 and 3 and the beam 1 are fixedly installed through screws respectively, and sealing grooves are formed in the connecting transition positions of the inner side surfaces of the window frames.
The arc-shaped surface elastic jacking mechanism 8 is arranged in a groove corresponding to the front end part of the guide rail 6 and comprises a mounting plate 8-1 and a top plate 8-2, the mounting plate 8-1 is fixedly arranged in a guide rail guide groove through bolts, guide pillars 8-3 are distributed on the mounting plate, guide sleeves 8-4 are sleeved on the guide pillars 8-3, limit plates 8-5 are arranged at the end parts of the guide pillars positioned in the guide sleeves 8-4, springs 8-6 are sleeved on the guide pillars 8-3 between the guide sleeves 8-4 and the mounting plate 8-1, the guide sleeves 8-4 are arranged on the top plate 8-2, arc-shaped positioning blocks 8-7 are arranged on the top plate 8-2, the arc-shaped positioning blocks 8-7, the mounting plate 8-1, the top plate 8-2, the guide sleeves 8-4 and the whole height and groove depth of the guide pillars under the compression state And (4) matching.
The other side of the hook mounting surface of the sash 12 is provided with a limiting rotating hook 15, the guide rail 6 is provided with a hemispherical auxiliary limiting block 16 correspondingly matched with the limiting rotating hook 15, and the hemispherical auxiliary limiting block 16 is respectively arranged on the end faces of the reinforcing ribs obliquely arranged at the upper end and the lower end of the guide rail.
The guide rail 6 front end portion be equipped with inside sunken cavity 17, be equipped with draw-in groove 18 on the front end portion of cavity 17, the T shape fixed block 19 of level setting is equipped with to the draw-in groove, the preceding tip of T shape fixed block 19 is installed and is draped over water adhesive tape complex arc transition and draped over water adhesive tape 20 from top to bottom.
And the inner side of the upper end surface of the upper window frame 2 and the inner side of the bottom end surface of the lower window frame 3 are respectively provided with a limiting column 21, and a rubber shock pad 22 is arranged on the limiting column.
The anti-disengaging device is characterized in that anti-disengaging blocks 23 are respectively installed on the lower end face of the upper window sash 2 and the upper end face of the lower window sash 3, the anti-disengaging blocks 23 and the window sashes 2 are installed in a clamping and matching mode through clamping grooves and clamping blocks, elastic auxiliary limiting columns 24 are respectively installed on the anti-disengaging blocks 23, the elastic auxiliary limiting columns 24 are of a sleeve type structure and comprise an inner rod and an outer tube, a spring 25 is sleeved on the inner rod between the outer tube and the anti-disengaging blocks, and a rubber shock pad 26 is installed at the end portion of the outer tube.
Claims (5)
1. The utility model provides a couple formula curtain opens dropout prevention means, including the crossbeam, its characterized in that: the upper end and the lower end of the cross beam are respectively fixedly provided with a window frame which vertically corresponds, the middle part of the outer side surface of the cross beam is provided with an E-shaped clamping groove for clamping a guide rail, the two horizontal groove side walls of the E-shaped clamping groove are respectively distributed with positioning grooves which are arranged at intervals, the rear end part of the guide rail is provided with two clamping strips which are matched with the E-shaped clamping groove, the two side surfaces of each clamping strip are distributed with arc-shaped surface elastic jacking mechanisms which are respectively arranged corresponding to the positioning grooves, the arc-shaped surface elastic jacking mechanisms are arranged in the grooves corresponding to the front end parts of the guide rail and comprise a mounting plate and a top plate, the mounting plate is fixedly arranged in guide grooves of the guide rail through bolts, guide pillars are distributed on the mounting plate, guide sleeves are sleeved on the guide pillars, the end parts of the guide pillars in the guide sleeves are provided with limiting plates, springs, the top plate is provided with an arc-shaped positioning block, and the overall height of the arc-shaped positioning block, the mounting plate, the top plate, the guide sleeve and the guide pillar in a spring compression state is matched with the depth of the groove;
limiting clamping grooves which are symmetrically arranged are respectively arranged on the outer side surfaces of the cross beams above and below the E-shaped clamping groove, limiting clamping parts matched with the limiting clamping grooves are not respectively arranged at the upper end and the lower end of the guide rail, clamping hooks are respectively arranged at the outer sides of the limiting clamping parts, the clamping hooks at the upper end part of the guide rail are arranged downwards, the clamping hooks at the lower end part are arranged upwards, the end parts of the clamping hooks are spherical, the clamping hooks are matched with corresponding hooks on a window sash, a limiting rotating clamping hook is arranged at the other side of a window sash hook mounting surface, hemispherical auxiliary limiting blocks matched with the limiting rotating clamping hooks correspondingly are arranged on the guide rail, and the hemispherical auxiliary limiting blocks are respectively arranged on the end surfaces of;
the outer end face of the window sash is provided with a curtain wall plate, and the front end part of the guide rail is provided with a water-covering adhesive tape corresponding to the transitional joint of the outer side wall of the curtain wall plate above and below the guide rail.
2. The hook type curtain wall opening anti-drop device according to claim 1, characterized in that: the window frame and the cross beam are fixedly installed through screws respectively, and a sealing groove is formed in the connecting transition position of the inner side surfaces between the window frame and the cross beam.
3. The hook type curtain wall opening anti-drop device according to claim 1, characterized in that: the guide rail front end portion be equipped with inside sunken cavity, be equipped with the draw-in groove on the front end portion of cavity, the T shape fixed block that the level set up is equipped with to the draw-in groove, the preceding tip of T shape fixed block install with upper and lower cover water adhesive tape complex arc transition and cover water adhesive tape.
4. The hook type curtain wall opening anti-drop device according to claim 1, characterized in that: the inner side of the upper end surface of the upper window frame and the inner side of the bottom end surface of the lower window frame are respectively provided with a limiting column, and a rubber shock pad is arranged on the limiting column.
5. The hook type curtain wall opening anti-drop device according to claim 1, characterized in that: the anti-disengaging device is characterized in that anti-disengaging blocks are respectively installed on the lower end face of the upper window sash and the upper end face of the lower window sash, the anti-disengaging blocks and the window sashes are installed in a clamping and matching mode through clamping grooves and clamping blocks, elastic auxiliary limiting columns are respectively installed on the anti-disengaging blocks, the elastic auxiliary limiting columns are of a sleeve type structure and comprise an inner rod and an outer tube, a spring is sleeved on the inner rod between the outer tube and the anti-disengaging blocks, and the end portions of the outer tube are provided with rubber shock pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302303.1A CN109930954B (en) | 2019-04-16 | 2019-04-16 | Hook type curtain wall opening anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302303.1A CN109930954B (en) | 2019-04-16 | 2019-04-16 | Hook type curtain wall opening anti-falling device |
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| CN109930954A CN109930954A (en) | 2019-06-25 |
| CN109930954B true CN109930954B (en) | 2020-07-28 |
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| CN201910302303.1A Active CN109930954B (en) | 2019-04-16 | 2019-04-16 | Hook type curtain wall opening anti-falling device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112112298B (en) * | 2020-09-26 | 2022-01-28 | 南京上柏建筑设计咨询有限公司 | Building heat preservation curtain wall construction |
| CN114412031B (en) * | 2022-02-22 | 2024-05-28 | 中瑞祥合建设科技有限公司 | Fireproof curtain wall system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956505A (en) * | 2010-08-23 | 2011-01-26 | 无锡恒发幕墙工程有限公司 | Upper suspended window safety device of hook-type curtain wall |
| CN205078110U (en) * | 2015-09-14 | 2016-03-09 | 天津海格丽特装饰工程有限公司 | Hang dress formula anti -drop and open a structure |
| CN106088945A (en) * | 2016-07-29 | 2016-11-09 | 浙江亚厦幕墙有限公司 | A kind of attachment structure of opening window for glass curtain wall |
| CN107217955A (en) * | 2017-07-26 | 2017-09-29 | 杜军桦 | A kind of curtain wall opens sash mounting structure |
| JP2017222983A (en) * | 2016-06-13 | 2017-12-21 | 中西産業株式会社 | Drawing device for slide-out window |
| CN207660465U (en) * | 2017-12-21 | 2018-07-27 | 济南既有幕墙维护有限公司 | A kind of Novel external hook-type curtain wall opening leaf anti-dropping device |
| CN208152852U (en) * | 2018-03-21 | 2018-11-27 | 安徽国泰铝业有限公司 | A kind of coupling type curtain wall opening leaf |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE429776B (en) * | 1981-09-18 | 1983-09-26 | Sesamverken I Linkoping Ab | Locking arrangement for a wall consisting of several mobile sections, and a folding wall and sectional wall provided with such a locking arrangement |
| CN101748836A (en) * | 2008-12-03 | 2010-06-23 | 邱建平 | Enhancing type unitized curtain wall system |
-
2019
- 2019-04-16 CN CN201910302303.1A patent/CN109930954B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956505A (en) * | 2010-08-23 | 2011-01-26 | 无锡恒发幕墙工程有限公司 | Upper suspended window safety device of hook-type curtain wall |
| CN205078110U (en) * | 2015-09-14 | 2016-03-09 | 天津海格丽特装饰工程有限公司 | Hang dress formula anti -drop and open a structure |
| JP2017222983A (en) * | 2016-06-13 | 2017-12-21 | 中西産業株式会社 | Drawing device for slide-out window |
| CN106088945A (en) * | 2016-07-29 | 2016-11-09 | 浙江亚厦幕墙有限公司 | A kind of attachment structure of opening window for glass curtain wall |
| CN107217955A (en) * | 2017-07-26 | 2017-09-29 | 杜军桦 | A kind of curtain wall opens sash mounting structure |
| CN207660465U (en) * | 2017-12-21 | 2018-07-27 | 济南既有幕墙维护有限公司 | A kind of Novel external hook-type curtain wall opening leaf anti-dropping device |
| CN208152852U (en) * | 2018-03-21 | 2018-11-27 | 安徽国泰铝业有限公司 | A kind of coupling type curtain wall opening leaf |
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