CN213285411U - Aluminum alloy rotation type opening mechanism for outdoor escape - Google Patents

Abstract

The utility model belongs to the field of building outdoor self-rescue escape, and relates to an aluminum alloy rotary type opening mechanism for outdoor escape, which comprises a folding support and a trigger transmission system, wherein the trigger transmission system comprises a support rod, an upper rotary switch arranged on the support rod, a vertical positioning column arranged on a protective frame of an escape device and an elastic slide rod, a cross support is hinged on the protective frame arranged on the upper part of the slide rod, a lantern ring connected with the bottom end of the cross support is sleeved on the upper part of the slide rod, the support rod is flexibly connected with the positioning column, a rotary crawling ladder is rotatably arranged on the protective frame arranged below the slide rod, a positioning connection structure for fixing the vertical positioning column is fixedly arranged on the upper side of the rotary crawling ladder, a lower rotary switch for opening the upper rotary switch in the escape device at the lower layer by impacting is arranged at, the falling of the folding crawling ladder is uncontrollable, so that the folding crawling ladder is dangerous to fall off, and the problem of linkage triggering of the whole structure cannot be realized.

Description

Aluminum alloy rotation type opening mechanism for outdoor escape

Technical Field

The utility model belongs to the field of fleing of saving oneself in the building open air relates to an aluminum alloy rotation type outdoor escape uses opening mechanism, especially relates to a high-rise resident family and high-rise public office space, uses the aluminum alloy rotation type outdoor escape uses opening mechanism when meeting irresistible calamities such as natural disasters and fire incident.

Background

Along with the continuous propulsion of urbanization process, high-rise building quantity is more and more, and high-rise building self number of piles is many, and the floor is higher, and inner structure is complicated for it is higher to realize the degree of difficulty of fleing from as early as possible after the conflagration takes place, and in addition high-rise building's the number of people of living is more, and when the conflagration flue gas stretchs, visibility receives the influence, and the degree of difficulty that the personnel of evacuating the very first time escaped from high-rise. A plurality of fire cases show that the existing fire rescue means can not adapt to the development speed of high-rise buildings, and a novel outdoor escape system needs to be designed and developed according to the fire characteristics of the high-rise buildings and the technical conditions of fire-fighting escape equipment.

The outdoor escape system is not easy to be threatened by smoke and fire, and not only can be used for evacuating personnel, but also can be used for firefighters to ascend a high building for saving life. Structurally, the foldable solar energy building can be folded and contracted, and does not occupy effective indoor building area. In addition, the smoke invading the stairs can be blown away by wind quickly and is not influenced by the wind direction. Therefore, the air-permeable building has good ventilation diffusivity and economy, and can add a festoon to the exterior of the building when the modeling is well processed. Along with the development of economy, building height and structural variation are various, and indoor fire phenomenon takes place occasionally, and evacuation often accompanies the casualties in the building, so this outdoor escape system walks into masses 'field of vision, because of its have safety protection concurrently, trigger characteristics such as folding, convenient to use, appearance pleasing to the eye, bearing capacity are good, receive building developer's liking deeply, outdoor escape system market demand is huge.

The existing outdoor escape system opening mechanism can not be opened when an outdoor escape system is realized, and does not have a positioning structure of a folding crawling ladder, so that the falling of the folding crawling ladder is uncontrollable, the falling danger exists, and the linkage triggering of the whole structure can not be realized.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a solve the current outdoor system opening mechanism of fleing and do not have the location structure of folding cat ladder, folding cat ladder whereabouts is uncontrollable, has the landing dangerous, can not realize the problem that overall structure linkage triggered, provide an aluminum alloy rotation type opening mechanism for outdoor fleing.

In order to achieve the above object, the utility model provides an opening mechanism is used in outdoor escape of aluminum alloy rotation type, include two or more folding support and trigger transmission system, trigger transmission system and include the bracing piece, install the last rotary switch on the bracing piece, install the vertical reference column in escape device protective frame one side and install the elasticity slide bar in protective frame another side, it has cross support to articulate on the protective frame on slide bar upper portion, slide bar upper portion cover is equipped with the lantern ring of connection in the cross support bottom, flexible connection between bracing piece and the reference column, rotate on the protective frame of slide bar below and install rotatory cat ladder, rotatory cat ladder upside fixed mounting has the location connection structure who is used for fixed vertical reference column, the bottom of rotatory cat ladder is offered and is used for striking the lower rotary switch who opens last rotary switch in the lower one deck escape device.

The beneficial effect of this basic scheme lies in: when escape device was in fold condition, vertical reference column was fixed in location connection structure, and cooperation through last rotary switch and upper strata rotary switch down makes the bracing piece inwards move, extracts the reference column from location connection structure through the flexible connectors between bracing piece and the reference column, and the elasticity slide bar resumes deformation and opens top cross support and even whole escape device, supplies the personnel of fleing to flee.

Furthermore, the folding support is a telescopic rod which is vertically hinged on the support rod. Has the advantages that: the telescopic rod-shaped folding support plays a role in facilitating the folding of the whole protection frame.

Furthermore, the support rod is connected with the positioning column through a steel wire rope, and a protective pipe is sleeved outside the steel wire rope. Has the advantages that: the protective pipe plays a role in protecting the steel wire rope.

Furthermore, the positioning connection structure is fixedly arranged on the upper end face and the free end of the rotary crawling ladder, and a limiting block which is convenient for the positioning column to clamp and fix and is provided with a clamping groove is arranged on the upper end face and the free end of the rotary crawling ladder. Has the advantages that: the clamping groove on the limiting block plays a role in fixing the positioning column.

Furthermore, a pressure spring is wound outside the sliding rod. Has the advantages that: when the pressure spring outside the slide bar recovers deformation, the upper cross support can be rapidly opened.

The beneficial effects of the utility model reside in that:

1. the utility model discloses an opening mechanism is used in outdoor escape of aluminum alloy rotation type increases the location connection structure of fixed reference column, under the system folding condition of fleing, realizes the horizontal location of rotatory cat ladder, and the system first floor structure of fleing triggers the back, utilizes the tension of slide bar outer spring and wire rope's telescopic action, and the reference column shifts up, and rotatory cat ladder can realize free fall, utilizes the action of gravity, triggers lower floor's system opening mechanism of fleing, and the realization structure cooperates simultaneously and opens.

2. The utility model discloses an opening mechanism is used in outdoor escape of aluminum alloy rotation type does not have location structure to the outdoor system opening mechanism that flees of current rotation type, can not realize triggering the condition that opening mechanism back multilayer cooperation was opened and the linkage was opened, the utility model discloses utilize the tension that the outer spring of slide bar resumes deformation and wire rope's flexible effect, increase the location connection structure of rotatory cat ladder, after opening the top layer system opening mechanism that flees, rotatory cat ladder leaves positioner, because of the action of gravity whereabouts, triggers next floor opening mechanism, realizes that the linkage of whole mechanism triggers, and the cooperation is opened simultaneously to the multilayer. The aluminum alloy rotary type opening mechanism for outdoor escape does not need an external power supply and a control system, is efficient and quick in opening mode, saves time, improves personnel evacuation efficiency, and ensures safety of personnel on fire scene.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of an opening mechanism for aluminum alloy rotary outdoor escape of the present invention;

FIG. 2 is a schematic view of an installation structure of an upper rotary switch in the opening mechanism for aluminum alloy rotary outdoor escape of the present invention;

FIG. 3 is a schematic view of the installation structure of the steel wire rope in the opening mechanism for aluminum alloy rotary outdoor escape of the present invention;

FIG. 4 is an installation diagram of a positioning connection structure in the opening mechanism for aluminum alloy rotary outdoor escape of the present invention;

FIG. 5 is a schematic view of the expanded structure of the escape device where the opening mechanism for aluminum alloy rotary outdoor escape of the present invention is located;

FIG. 6 is a schematic view of a folding structure of an escape device where the opening mechanism for aluminum alloy rotary outdoor escape of the present invention is located;

FIG. 7 is a schematic structural view of the fixing frame of FIG. 5;

FIG. 8 is a schematic structural diagram of the suspension frame of FIG. 5;

FIG. 9 is a schematic structural view of the fixed ladder of FIG. 5;

FIG. 10 is a front view of the rotary step of FIG. 5;

FIG. 11 is a left side view of the rotary step of FIG. 5;

FIG. 12 is a schematic view of the rotary step of FIG. 5;

FIG. 13 is a schematic view of the rotary ladder of FIG. 5;

FIG. 14 is an assembly view of the swivel ladder and swivel enclosure of FIG. 5;

FIG. 15 is a schematic view of an opened state of the double-layer aluminum alloy rotary outdoor escape system;

FIG. 16 is a schematic view of an attached wall of a rotary type outdoor escape system made of double-layer aluminum alloy.

Reference numerals: a fixed frame 1, a fixed top beam 11, a fixed bottom beam 12, a fixed upright post 13, a fixed vertical support 14, a suspended frame 2, a suspended top beam 21, a suspended bottom beam 22, a suspended upright post 23, a suspended vertical support 24, a cross support 3, a folding support 4, a fixed ladder stand 5, a first left ladder stand bracket 51, a first right ladder stand bracket 52, a first pedal plate 53, a first ladder stand hinge 54, a rotary step 6, a step rotary beam 61, a step bracket 62, a step left bracket 621, a step right bracket 622, a bracket hinge 623, a pedal plate 63, a left step 631, a right step 632, a step hinge 633, a slideway snap ring 64, a rotary slideway 7, an upper rotary switch 71, a lower rotary switch 72, a support rod 73, a steel wire rope 74, a protective pipe 75, a positioning column 76, a sliding rod 77, a limit block 78, a fence rail 8, a rotary ladder stand 9, a second left ladder stand bracket 91, a second right ladder stand bracket 92, a second pedal plate 93, a first ladder stand hinge, A second ladder climbing hinge 94, the rotating enclosure 10.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The aluminum alloy rotary type opening mechanism for outdoor escape shown in figures 1-4 comprises three folding supports 4 and a trigger transmission system, wherein the folding supports 4 are telescopic rods, the trigger transmission system comprises a support rod 73, an upper rotary switch 71 arranged on the support rod 73, a vertical positioning column 76 arranged on one side surface of a protective frame and a sliding rod 77 arranged on the other side surface of the protective frame, cross supports 3 are arranged on the protective frame on the upper portion of the sliding rod 77, a lantern ring connected to the bottom end of the cross supports 3 is sleeved on the upper portion of the sliding rod 77, after the escape opening mechanism is opened by impact, the pressure spring recovers deformation and extrudes the lantern ring upwards, so that the cross supports 3 are opened, and further the whole escape device is opened. The support rod 73 is connected with the positioning column 76 through a steel wire rope 74, a protective pipe 75 is sleeved outside the steel wire rope 74, and a pressure spring is wound outside the spring sliding rod 77. The telescopic link articulates perpendicularly on bracing piece 73, and the last rotatory cat ladder 9 of installing of protective frame of spring slide bar 77 below rotates, and rotatory cat ladder 9 upside fixed mounting has the location connection structure who is used for fixed vertical reference column 76, and location connection structure is fixed mounting and has offered the reference column 76 card of being convenient for and establish the stopper 78 fixed and take the draw-in groove for fixed mounting at rotatory cat ladder 9 up end and free end. The bottom end of the rotary ladder 9 is provided with a lower rotary switch 72 for opening an upper rotary switch 71 in the escape device at the next layer by impact.

The aluminum alloy rotary outdoor escape system has two forms, namely an open state and a closed state. The outdoor escape system can be opened by opening the opening mechanism, and a linkage rotary outdoor stair structure is formed in the opening state, so that people trapped in a room can escape when a fire disaster happens; when the outdoor escape system is in a closed state, the outdoor escape system can be used as a protective window, is attractive and air-conditioned, is made of aluminum alloy materials, is not easy to rust and has a long service life. The outdoor escape system opening mechanism is mainly used when the outdoor escape system is opened, so that the opening state of the outdoor escape system is mainly introduced.

When a fire disaster happens, the top layer needs to be opened to trigger the upper rotary switch 71, the opening mechanism is opened, a pressure spring outside the sliding rod 77 acts upwards under the action of a compressive force from a compressive state, so that the cross support 3 is in an open state, the telescopic rod is driven to move and open, the folding structure of the outdoor escape system is in an open state, the positioning column 76 is inserted into the clamping groove of the positioning block 78 when the folding structure is in a closed state, after the escape system is opened, the supporting rod 73 moves leftwards to drive the steel wire rope 74, the protective pipe 75 and the vertical positioning column 76 to move upwards, the positioning block 78 is separated from the vertical positioning column 76, the positioning connecting structure (the positioning block 78) is connected with the rotary ladder stand 9, under the action of gravity of the rotary ladder stand 9, the positioning connecting structure is rotated from a vertical state to a horizontal state, the rotary ladder stand 9 is, the next layer of escape system trigger switch is automatically triggered, and the integral triggering linkage is realized.

The aluminum alloy rotary type outdoor escape opening mechanism is installed on an aluminum alloy rotary type outdoor escape device shown in figures 5-6 in a matched mode, the aluminum alloy rotary type outdoor escape device protrudes out of an outer wall of a building (shown in figures 15-16), and the aluminum alloy rotary type outdoor escape device comprises a protective frame and a rotary stepping unit arranged in the protective frame in a foldable mode.

The protective frame includes a fixed frame 1 (shown in fig. 7) attached to the building and a flying frame 2 (shown in fig. 8) corresponding to the fixed frame 1. A rotary stepping unit which is convenient for the escape personnel to escape is arranged between the fixed frame 1 and the suspension frame 2. The fixed frame 1 comprises a fixed top beam 11 and a fixed bottom beam 12 which are arranged in parallel, fixed upright columns 13 arranged at two ends of the fixed top beam 11 and the fixed bottom beam 12, and two fixed vertical braces 14 arranged between the fixed upright columns 13. The fixed top beam 11, the fixed bottom beam 12, the fixed upright column 13 and the fixed vertical support 14 are welded in sequence. The fixed frame 1 is fixed on a beam column of a high-rise building through bolts. The suspension frame 2 comprises a suspension top beam 21 and a suspension bottom beam 22 which are arranged in parallel, suspension upright posts 23 arranged at two ends of the suspension top beam 21 and the suspension bottom beam 22, and two suspension upright posts 24 arranged between the suspension upright posts 23. The suspended top beam 21, the suspended bottom beam 22, the suspended upright posts 23 and the suspended vertical braces 24 are welded in sequence, and five 1/4 arc-shaped rotating slideways 7 are welded between the suspended vertical braces 24. Four guard rails 8 are welded between the suspended top beam 21 and the suspended bottom beam 22 between the suspended upright posts 23 and the corresponding suspended upright braces 24. Three folding supports 4 are welded between the fixed top beam 11 and the suspended top beam 21, and the folding supports 4 are telescopic rods.

The rotary stepping unit comprises a fixed ladder stand 5 (shown in figure 9) arranged between a fixed frame 1 and a suspension frame 2, a rotary stepping 6 (shown in figures 10-12) arranged below a fixed bottom beam 12 and a suspension bottom beam 22, and a cross support 3 and a rotary ladder stand 9 arranged at the opposite side of the fixed ladder stand 5. The rotary ladder stand 9 is hinged on the fixed bottom beam 12 and the suspended bottom beam 22 below the cross support 3, namely the outer side of the rotary steps 6. The highest end of the rotary step 6 is hinged on the fixed bottom beam 12 and the suspended bottom beam 22. The area between the suspended upright post 23 and the suspended vertical support 24 on one side of the fixed ladder stand 5 is the escape entrance area for escaping people. An escape opening pedal with a centering position hinged through a hinge is hinged to each of the suspended upright column 23 at one side of the fixed crawling ladder 5, the fixed bottom beam 12 below the suspended vertical support 24 and the suspended bottom beam 22, and an escape entrance of an escape person is arranged in an area among the fixed top beam 11, the suspended top beam 21 and the telescopic rod above the escape opening pedal. The rotary ladder stand 9 is hinged on the fixed bottom beam 12 and the suspended bottom beam 22 which are close to the escape opening pedal, and the rotary ladder stand 9 can rotate upwards for 90 degrees around the hinged point to be accommodated between the fixed frame 1 and the suspended frame 2 when not used, so that the space is saved.

Wherein fixed cat ladder 5 includes respectively with fixed frame 1 and unsettled frame 2 through activity round pin swing joint and mutual articulated first left cat ladder support 51 and first right cat ladder support 52, and fixed mounting has five pairs of pedal rods that have first step tread 53 through the activity round pin is articulated on first left cat ladder support 51 and the first right cat ladder support 52, and integrated into one piece fixed mounting has anti-skidding arris or anti-skidding line on first step tread 53. Three first ladder stand hinges 54 are fixedly mounted at the junction of the first left ladder stand bracket 51 and the first right ladder stand bracket 52 at the central positions. When the fixed ladder stand 5 is not in operation, the fixed ladder stand can be folded between the fixed frame 1 and the suspension frame 2 through the ladder stand hinge, which is beneficial to reducing the space. When the fixed ladder stand 5 works, the fixed ladder stand 5 can be unfolded.

The end parts of the fixed frame 1 and the suspension frame 2 corresponding to the fixed crawling ladder 5, namely the right fixed upright post 13 and the suspension upright post 23 are fixedly provided with the cross supports 3 which are hinged with each other, and the rotating shaft of the rotary crawling ladder 9 is positioned at the right bottom corner of the fixed frame 1 and the suspension frame 2. Fixed mounting has the angle aluminium that the through-hole was seted up at the middle part on fixed column 13, the unsettled stand 23 of cross support 3 below, wears to establish the slide bar 77 that the cover has the pressure spring in the through-hole, and slide bar 77 upper portion cover is equipped with the lantern ring of connection in the 3 bottoms of cross support, and the opening mechanism of fleing is opened the back by the striking, and the pressure spring resumes deformation and upwards extrudes the lantern ring for cross support 3 opens, and then makes whole escape device open. The escape opening mechanism comprises a supporting rod which is rotatably installed on the inner side of the fixed top beam 11, one side of the supporting rod, which is close to the cross support 3, is connected with a positioning column 76 which is movably connected to the fixed upright post 13 and the suspended upright post 23 through a steel wire rope, the inner sides of the fixed upright post 13 and the suspended upright post 23, which are close to the sliding rod, are also fixedly provided with angle aluminum, the middle part of which is provided with a through hole, and the top end face of the rotary ladder stand 9 is provided with. When this escape device does not use, rotatory cat ladder 9 is accomodate to fixed frame 1 and unsettled frame 2 inboardly, and the reference column is inserted in the draw-in groove of stopper 78, and upper escape device striking bracing piece, reference column, rotatory 6, rotatory cat ladder 9 of marking time drive rotatory cat ladder 9 top stopper 78 rotation under the action of gravity simultaneously for the reference column breaks away from the draw-in groove on the stopper 78, and the pressure spring resumes deformation gradually and struts whole device on the slide bar 77.

The rotary step 6 (as shown in fig. 10-12) comprises a step rotary beam 61, four sequentially lengthened step supports 62 fixedly installed below the step rotary beam 61, and a step plate 63 installed between adjacent step supports 62, wherein three slide way snap rings 64 are fixedly installed on the step rotary beam 61 at one side of the suspension frame 2. The slide way snap ring 64 is fixed on the stepping rotating beam 61 through bolt connection. When the rotary pedal 6 rotates downwards to slide, the slide way snap ring 64 can slide along the rotary slide way 7 on the suspension frame 2 to rotate and contract. The rotating shaft of the rotating step 6 is positioned at the root of the step rotating beam 61 and passes through the bottom end of the fixed support, and the two are connected through a movable pin. The slideway snap ring 64 plays a role in rotation and limiting through rotating the slideway 7.

The rotary steps 6 are folded and contracted between the fixed frame 1 and the suspension frame 2 when not in operation, which is beneficial to reducing the space. When the escape system works, the lower parts of the fixed frame 1 and the suspended frame 2 are opened through rotation, and are connected with the escape system units of the lower floor.

The stepping support 62 comprises a stepping left support 621 and a stepping right support 622, and a transverse pulling mechanism with the middle hinged through a support hinge 623 is arranged on the stepping left support 621 and the stepping right support 622 below the stepping plate 63. The left support 621 of marking time and the right support 622 of marking time are fixed with the cardboard that the area runs through the hole, violently draw the mechanism to be the frame section bar that the four sides is to central slope form, violently draw the mechanism card between the cardboard and also offered the through hole with the position that the through hole corresponds on the cardboard, violently draw the mechanism and violently draw the cardboard through hole of mechanism upper and lower side and wear to establish the pivot and the free end of pivot is also fixed through the perforation round pin. Wherein the transverse pulling mechanism is mainly used for increasing the strength and the stability of the unfolded pedal body. The tread 63 is composed of a left tread 631, a right tread 632 and a tread hinge 633 hinged between the left tread 631 and the right tread 632.

The rotary ladder stand 9 (as shown in fig. 13) comprises a second left ladder stand bracket 91 and a second right ladder stand bracket 92 which are mutually hinged between the fixed bottom beam 12 and the suspended bottom beam 22 through movable pins, the centering positions of the second left ladder stand bracket 91 and the second right ladder stand bracket 92 are hinged through a second ladder stand hinge 94, and seven groups of protective rods are arranged on the second left ladder stand bracket 91 and the second right ladder stand bracket 92. The fixed upright column 13 and the suspended upright column 23 play a role in limiting the rotary crawling ladder 9. The upper part of the rotary ladder stand 9 is provided with five groups of guard bars, the two groups of guard bars at the lower part are hinged with a second pedal plate 93 through movable pins, and the second pedal plate 93 is fixedly provided with anti-skid edges or anti-skid lines in an integrated forming way. The two sides of the rotary crawling ladder 9 are provided with rotary enclosures 10 which coaxially rotate with the rotary crawling ladder 9, the joint of the rotary enclosures 10 and the rotary crawling ladder 9 is fixed in a welding mode (as shown in figure 14), one side, close to the rotary crawling ladder 9, of each rotary enclosure 10 is fixedly provided with a U-shaped outer support, the free end of each U-shaped outer support is welded on the rotary crawling ladder 9, and the rotary enclosures 10 play a role in enclosing escape personnel.

The rotary ladder stand 9 and the rotary enclosure 10 are folded and contracted between the fixed frame 1 and the suspension frame 2 when not in operation, which is beneficial to reducing the space. When the escape system works, the lower parts of the fixed frame 1 and the suspended frame 2 are opened through rotation, and are connected with the escape system units of the lower floor.

When this outdoor escape device of aluminum alloy rotation type does not use, fixed cat ladder 5, the mouthful footboard of fleing are the ruggedness, earlier with rotatory 6 folding and rotatory 90 of marking time accomodate to between fixed frame 1 and unsettled frame 2, fold and rotatory 90 of rotatory cat ladder 9 and rotatory enclosure 10 again and accomodate to between fixed frame 1 and unsettled frame 2, the reference column is inserted in stopper 78's draw-in groove. When the aluminum alloy rotary outdoor escape device is used, the escape device on the uppermost layer is opened, the lower rotary switch 72 below the rotary ladder stand 9 strikes the upper rotary switch 71 on the escape device on the lower layer to drive the supporting rod to move left, so that the positioning column 76 is separated from the clamping groove on the limiting block 78, and the rotary ladder stand 9 and the rotary enclosure 10 rotate downwards by 90 degrees while the rotary pedal 6 also rotates downwards by 90 degrees. The compression spring on the sliding rod 77 is gradually restored to deform to prop the upper cross support 3 open, so that the fixed ladder stand 5, the escape opening pedal, the rotary step 6 and the rotary ladder stand 9 are all propped open, and the lower rotary switch 72 at the bottom of the rotary ladder stand 9 can also impact the upper rotary switch 71 on the escape device on the next floor, so that a plurality of escape devices are continuously opened under the linkage effect, and the escape openings of the escape devices are arranged in a cross mode according to floors.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (5)

1. The utility model provides an aluminum alloy rotation type is opening mechanism for outdoor escape, a serial communication port, include two or more than two folding supports and trigger transmission system, trigger transmission system and include the bracing piece, install the last rotary switch on the bracing piece, install the vertical reference column in escape device protective frame one side and install the elasticity slide bar in protective frame another side, it has the cross bracing to articulate on the protective frame on slide bar upper portion, slide bar upper portion cover is equipped with the lantern ring of connection in the cross bracing bottom, flexible connection between bracing piece and the reference column, the rotatory cat ladder is installed in the rotation on the protective frame of slide bar below, rotatory cat ladder upside fixed mounting has the location connection structure who is used for fixed vertical reference column, the bottom of rotatory cat ladder is offered and is used for the striking to open the lower rotary switch of last rotary switch.

2. The aluminum alloy rotary type opening mechanism for outdoor escape of claim 1, wherein the folding support is a telescopic rod, and the telescopic rod is vertically hinged on the support rod.

3. The aluminum alloy rotary type opening mechanism for outdoor escape as claimed in claim 1, wherein the supporting rod is connected with the positioning post through a steel wire rope, and a protective pipe is sleeved outside the steel wire rope.

4. The aluminum alloy rotary type opening mechanism for outdoor escape as claimed in claim 1, wherein the positioning and connecting structure is fixedly installed on the upper end surface of the rotary ladder stand, and the free end is provided with a limiting block with a clamping groove for facilitating the clamping and fixing of the positioning column.

5. The aluminum alloy rotary type opening mechanism for outdoor escape of claim 1, wherein the sliding rod is externally wound with a compression spring.

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