CN217054081U - Assembled stair that takes precautions against earthquakes - Google Patents

Abstract

The utility model provides an assembled shockproof stair, which comprises a support frame, a pedal, a shockproof mechanism, a connecting plate, a connecting rod, a fixed plate and a buffer platform; the supporting frames comprise two lower section supporting frames and two upper section supporting frames, the two lower section supporting frames and the two upper section supporting frames are fixedly connected through a connecting plate, the pedal and the buffer platform are sleeved on the connecting rod, and the inner walls of the two lower section supporting frames are respectively and fixedly connected with the two ends of the connecting rod; the inner walls of the two upper section supporting frames are fixedly connected with the two ends of the connecting rod respectively; the shockproof mechanism comprises a shockproof box, a support rod, steel balls, a volute spiral spring, a disk spring and a fixing piece. The utility model discloses an omit preparation mould, install fast, pleasing to the eye, firmly be whole shockproof advantage such as promptly, specifically play the vibrations buffering about through bracing piece, steel ball, volute spiral spring, belleville spring and the separation blade in the shockproof mechanism.

Description

Assembled stair that takes precautions against earthquakes

Technical Field

The utility model belongs to the technical field of the interior stair installation, concretely relates to assembled stair that take precautions against earthquakes.

Background

The stairs are used as vertical traffic members between floors in buildings, are used for traffic connection between floors and when the height difference is large, and are also required to be arranged in multi-storey and high-rise buildings provided with elevators and escalators as main vertical traffic means.

Along with the improvement of living conditions of people, the requirements on the quality of houses are improved, the appearance of building types such as villas, duplex buildings, small high-rise buildings and the like is followed, stairs are arranged among all the layers, a large amount of cement or iron stair treads are usually adopted, but the cement stairs need to be provided with moulds according to actual sizes, the manufacturing process is troublesome, and the installation is inconvenient; when the traditional iron stair is installed, a professional construction worker is required to weld, welding marks left after welding affect the appearance, and the welding position is easy to loosen along with the long-time use of the stair, so that danger is caused; and the earthquake-proof structure needs to be calculated, so that the earthquake-proof coefficient is ensured to be enough to support the damage caused by the earthquake.

Therefore, in order to overcome the defects that the existing stair is inconvenient to manufacture a die and install, is not attractive in welding and easy to loosen, calculates a shockproof structure and the like, the assembled shockproof stair is designed.

Disclosure of Invention

The utility model aims at providing an assembled stair that takes precautions against earthquakes has realized omitting preparation mould, quick installation, pleasing to the eye, firmly advantage such as wholly taking precautions against earthquakes promptly.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

an assembled shockproof stair comprises a support frame, pedals, a shockproof mechanism, a connecting plate, a connecting rod, a fixing plate and a buffer platform;

the supporting frames comprise two lower section supporting frames and two upper section supporting frames, the two lower section supporting frames and the two upper section supporting frames are fixedly connected through a connecting plate, the pedal and the buffer platform are sleeved on the connecting rod, and the inner walls of the two lower section supporting frames are respectively and fixedly connected with the two ends of the connecting rod; the inner walls of the two upper section supporting frames are fixedly connected with the two ends of the connecting rod respectively;

the shockproof mechanism comprises a shockproof box, a support rod, steel balls, a volute spring, a disk spring and a fixing piece, wherein the shockproof box is of a cavity structure with an open upper end, and blocking pieces are fixedly connected to four corners of the inner wall of the shockproof box; the top end of the supporting rod is provided with a threaded hole, and the lower part of the supporting rod is fixedly connected with a lower baffle disc and an upper baffle disc; the steel balls are placed at the bottom of the shockproof box and located below the lower baffle disc, the volute spiral spring is placed below the baffle disc and surrounds the lower baffle disc, the lower baffle disc is located below the baffle disc, one end of the disc spring is fixedly connected to the baffle disc, the other end of the disc spring is abutted to the upper baffle disc, and the top end of the supporting rod extends out of an opening in the upper end of the shockproof box.

And the number of the shockproof mechanisms is 6, and every two shockproof mechanisms form a shockproof group a, a shockproof group b and a shockproof group c respectively.

Moreover, the connecting plates include a first connecting plate, a second connecting plate and a third connecting plate;

the first connecting plate is U-shaped, through holes are formed in the surfaces of two ends of the first connecting plate, two first supporting plates are fixedly connected to the middle of the first connecting plate, and first threaded rods are fixedly connected to the bottom surfaces of the first supporting plates;

the second connecting plate is U-shaped, through holes are formed in the surfaces of two ends of the second connecting plate, two second supporting plates are fixedly connected to the middle of the second connecting plate, and second threaded rods are fixedly connected to the bottom surfaces of the second supporting plates;

the third connecting plate is L-shaped and is fixedly connected with a third threaded rod on the inner wall of one side.

And the lower ends of the two lower section supporting frames are fixedly connected with a first connecting plate, and the first connecting plate is in threaded connection with the shockproof group a through a first threaded rod and a threaded hole.

And the upper ends of the two lower section supporting frames are fixedly connected with a second connecting plate, the second connecting plate is in threaded connection with the shockproof group b through a second threaded rod and a threaded hole, and the shockproof group b is fixedly connected to the L-shaped fixing plate through a fixing plate.

And the upper ends of the two upper section supporting frames are fixedly connected with a third connecting plate, and the third connecting plate and the shockproof group c are in threaded connection through a third threaded rod and a threaded hole.

And the two lower section supporting frames are fixedly connected with the two upper section supporting frames.

Moreover, the distance between the two oblique angle blocking pieces is smaller than the inner diameter of the disc spring and the diameter of the lower blocking disc and the upper blocking disc; the shockproof box is characterized in that an opening at the upper end of the shockproof box is circular, the diameter of the opening is larger than that of the supporting rod and smaller than that of the lower blocking disc and the upper blocking disc, and the diameter of the supporting rod is smaller than the distance between the blocking pieces which are close to each other.

Moreover, footboard fixedly connected with handrail, the handrail is detachable.

Moreover, the assembled shockproof stairway is also matched with an elastic plate.

The utility model has the advantages that:

1. the utility model omits the complex manufacturing process of manufacturing the mould, lightens the load of the wall body, and is convenient and quick to install; compared with the traditional iron stair, the iron stair can not influence the appearance, but can be combined and matched selectively, and can not loosen along with the lengthening of the service time.

2. The utility model discloses a bracing piece, steel ball, volute spiral spring, belleville spring and separation blade in the shockproof mechanism play about the vibrations buffering.

3. The utility model discloses well support frame does not support through shockproof group a, shockproof group b, shockproof group c and fixed plate fixed connection support with any direct contact on wall or ground, and has placed the elastic plate between the recess that third connecting plate and upper ground were reserved or were excavated, has further strengthened whole jar-proof effect.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a schematic view of the shockproof mechanism of the present invention;

FIG. 4 is a partial schematic view of the shockproof mechanism of the present invention;

FIG. 5 is a schematic view of the support rod of the anti-vibration mechanism of the present invention;

FIG. 6 is a sectional view of the shockproof mechanism of the present invention;

FIG. 7 is a schematic view of the connection between the shockproof group a and the bottom floor of the present invention;

FIG. 8 is a schematic view of the connection between the shockproof group b and the wall surface;

FIG. 9 is a schematic view of the connection between the quakeproof set c and the upper floor of the present invention;

fig. 10 is a perspective view of the middle pedal of the present invention;

fig. 11 is a perspective view of the middle connecting rod of the present invention;

in the figure: 1. a support frame; 11. a lower section supporting frame; 12. an upper section support frame; 2. a pedal; 3. a shock-proof mechanism; 31. a shock-proof box; 311. a baffle plate; 32. a support bar; 321. a threaded hole; 322. a lower baffle disc; 323. an upper baffle disc; 33. steel balls; 34. a volute spiral spring; 35. a disc spring; 36. a fixing sheet; 4. a connecting plate; 41. a first connecting plate; 411. a first support plate; 412. a first threaded rod; 42. a second connecting plate; 421. a second support plate; 422. a second threaded rod; 43. a third connecting plate; 431. a third threaded rod; 5. a connecting rod; 6. a fixing plate; 7. a buffer stage; 8. a handrail; 9. an elastic plate; 10. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-11, the assembled quakeproof staircase according to the embodiment includes a support frame 1, a tread 2, a quakeproof mechanism 3, a connecting plate 4, a connecting rod 5, a fixing plate 6 and a buffer platform 7;

the support frame 1 comprises two lower section support frames 11 and two upper section support frames 12, the two lower section support frames 11 and the two upper section support frames 12 are fixedly connected through a connecting plate 4, the pedal 2 and the buffer table 7 are sleeved on the connecting rod 5, and the inner walls of the two lower section support frames 11 are respectively and fixedly connected with the two ends of the connecting rod 5; the inner walls of the two upper section supporting frames 12 are fixedly connected with the two ends of the connecting rod 5 respectively; the buffer table 7 is positioned at the upper end positions of the two lower section supporting frames 11;

the shockproof mechanism 3 comprises a shockproof box 31, a support rod 32, steel balls 33, a volute spring 34, a disk spring 35 and a fixing piece 36, wherein the shockproof box 31 is of a cavity structure with an open upper end, and blocking pieces 311 are fixedly connected at four corners of the inner wall of the shockproof box 31; the top end of the support rod 32 is provided with a threaded hole 321, and the lower part of the support rod is fixedly connected with a lower baffle disc 322 and an upper baffle disc 323; a plurality of steel balls 33 are placed at the bottom of the shockproof box 31 and are located below the lower blocking disc 322, the volute spring 34 is placed below the blocking piece 311 and surrounds the lower blocking disc 322, the lower blocking disc 322 is located below the blocking piece 311, one end of the disk spring 35 is fixedly connected to the blocking piece 311, the other end of the disk spring is abutted to the upper blocking disc 323, and the top end of the support rod 32 extends out of an opening in the upper end of the shockproof box 31.

Preferably, the number of the shockproof mechanisms 3 is 6, and each two shockproof mechanisms are a group and respectively form a shockproof group a, a shockproof group b and a shockproof group c.

Preferably, the connection plates 4 comprise a first connection plate 41, a second connection plate 42 and a third connection plate 43;

the first connecting plate 41 is U-shaped, through holes are formed in the surfaces of two ends of the first connecting plate, two first supporting plates 411 are fixedly connected to the middle of the first connecting plate, and first threaded rods 412 are fixedly connected to the bottom surfaces of the first supporting plates 411;

the second connecting plate 42 is U-shaped, through holes are formed in the surfaces of two ends of the second connecting plate, two second supporting plates 421 are fixedly connected to the middle of the second connecting plate, and second threaded rods 422 are fixedly connected to the bottom surfaces of the second supporting plates 421;

the third connecting plate 43 is L-shaped and a third threaded rod 431 is fixedly connected to the inner wall of one side.

Preferably, the lower ends of the two lower supporting frames 11 are fixedly connected with a first connecting plate 41, the first connecting plate 41 and the anti-vibration group a are in threaded connection with the threaded hole 321 through a first threaded rod 412, and the two anti-vibration mechanisms 3 of the anti-vibration group a are fixedly connected with the ground of the bottom floor through fixing plates 36.

Preferably, the upper ends of the two lower section supporting frames 11 are fixedly connected with a second connecting plate 42, the second connecting plate 42 and the shockproof group b are in threaded connection with the threaded hole 321 through a second threaded rod 422, and the shockproof group b is fixedly connected to the L-shaped fixing plate 6 through a fixing plate 36; the fixing plate 6 is fixedly connected to the wall surface.

Preferably, the upper ends of the two upper supporting frames 12 are fixedly connected with a third connecting plate 43, and the third connecting plate 43 and the shockproof group c are in threaded connection through a third threaded rod 431 and a threaded hole 321; the two shockproof mechanisms 3 of the shockproof group c are fixedly connected with the grooves 10 reserved or excavated on the upper layer ground through fixing sheets 36.

Preferably, the two lower supporting frames 11 and the two upper supporting frames 12 are fixedly connected.

Preferably, the distance between the two angled baffles 311 is less than the inner diameter of the belleville springs 35 and less than the diameter of the lower and upper baffles 322, 323; the upper end opening of the shockproof box 31 is circular, the diameter of the opening is larger than the diameter of the support rod 32 and smaller than the diameters of the lower catch plate 322 and the upper catch plate 323, and the diameter of the support rod 32 is smaller than the distance between the catch plates 311 which are close to each other.

Preferably, the pedal 2 is fixedly connected with a handrail 8, and the handrail 8 is detachable.

Preferably, the assembled quakeproof staircase is also matched with an elastic plate 9; the resilient plate 9 is placed between the contact surfaces of the third connecting plate 43 and the recess 10.

The utility model discloses application method: fixedly connecting the shockproof group c to a groove 10 reserved or excavated in the upper-layer ground, and then connecting the third connecting plate 43 with the two shockproof mechanisms 3 of the shockproof group c in a threaded manner, wherein the size of the groove 10 is larger than that of the third connecting plate 43, a gap is reserved between the groove 10 and the third connecting plate 43, and an elastic plate 9 is placed in the gap; then, the connecting rod 5 sleeved with the pedal 2 is fixedly connected to the two upper section supporting frames 12, the upper ends of the two upper section supporting frames 12 are fixedly connected to the outer side surface of the third connecting plate 43, and then the two lower section supporting frames 11 fixedly connected with the pedal 2 and the buffer table 7 are fixedly connected to the lower ends of the two upper section supporting frames 12;

then, the fixing plate 6 is fixedly connected to the wall surface, the shockproof group b is fixedly connected above the fixing plate 6, two shockproof mechanisms 3 of the shockproof group b are in threaded connection with the second connecting plate 42 through the second threaded rod 422 and the threaded hole 321, and then the second connecting plate 42 is fixedly connected to the upper ends of the two lower section supporting frames 11; then, fixedly connecting the first connecting plate 41 to the lower ends of the two lower section support frames 11, and then connecting the first connecting plate 41 and the two shockproof mechanisms 3 of the shockproof group a through the first threaded rod 412 and the threaded hole 321 by threads; then the two shockproof mechanisms 3 of the shockproof group a are fixedly connected with the bottom layer ground through the fixing sheet 36;

finally, the handrail 8 is mounted on the steps 2 and the bumper table 7.

The working principle of the shockproof mechanism 3 is as follows: the utility model carries out the integral buffer of the stairs through the shockproof mechanism 3 when encountering earthquake; when the whole building shakes, the shockproof box 31 fixedly connected to the wall or the ground shakes along with the shaking, however, the supporting rod 32 inside the shockproof box 31 is static relative to the wall or the ground, the upper end of the supporting rod 32 is connected with the connecting plate 4, the supporting frame 1 is fixedly connected with the connecting plate 4, the lower blocking disc 322 at the lower part of the supporting rod 32 is positioned above the plurality of steel balls 33, and the supporting rod 32 is supported by the steel balls 33 and can horizontally slide; the spiral spring 34 surrounding the lower baffle disc 322 is deformed when being stressed, and then the reaction force returns to the initial position on the lower baffle disc 322; the disc spring 35 which is fixedly connected with the blocking piece 311 and abuts against the bottom surface of the upper blocking disc 323, the wall body or the ground deforms when stressed when vibrating up and down, the upper blocking disc 323 is buffered by the reaction force, the damping effect is achieved during climbing a ladder at ordinary times, and the blocking pieces 311 which are positioned on the lower blocking disc 322 and the upper blocking disc 323 limit the supporting rod to prevent the supporting rod from falling off;

it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (10)

1. The utility model provides an assembled stair that takes precautions against earthquakes, includes support frame (1), footboard (2), shockproof mechanism (3), connecting plate (4), connecting rod (5), fixed plate (6) and cushion pad (7) its characterized in that:

the supporting frame (1) comprises two lower section supporting frames (11) and two upper section supporting frames (12), the two lower section supporting frames (11) and the two upper section supporting frames (12) are fixedly connected through a connecting plate (4), the pedal (2) and the buffer table (7) are sleeved on the connecting rod (5), and the inner walls of the two lower section supporting frames (11) are respectively and fixedly connected with the two ends of the connecting rod (5); the inner walls of the two upper section supporting frames (12) are fixedly connected with the two ends of the connecting rod (5) respectively;

the shockproof mechanism (3) comprises a shockproof box (31), a support rod (32), steel balls (33), a volute spring (34), a disk spring (35) and a fixing piece (36), wherein the shockproof box (31) is of a cavity structure with an open upper end, and blocking pieces (311) are fixedly connected to four corners of the inner wall of the shockproof box (31); the top end of the supporting rod (32) is provided with a threaded hole (321), and the lower part of the supporting rod is fixedly connected with a lower baffle disc (322) and an upper baffle disc (323); a plurality of steel ball (33) are placed and are kept off dish (322) below under shockproof case (31) bottom and being located, keep off dish (322) under separation blade (311) and surrounding are placed in volute spiral spring (34), keep off dish (322) and be located separation blade (311) below down, belleville spring (35) one end fixed connection is on separation blade (311), the other end is contradicted with last fender dish (323), bracing piece (32) top is followed shockproof case (31) upper end opening and is stretched out.

2. The assembled quakeproof stair of claim 1, wherein: the number of the shockproof mechanisms (3) is 6, and every two shockproof mechanisms are in one group and respectively form a shockproof group a, a shockproof group b and a shockproof group c.

3. The modular earthquake-proof staircase of claim 1, wherein: the connecting plate (4) comprises a first connecting plate (41), a second connecting plate (42) and a third connecting plate (43);

the first connecting plate (41) is U-shaped, through holes are formed in the surfaces of two ends of the first connecting plate, two first supporting plates (411) are fixedly connected to the middle of the first connecting plate, and first threaded rods (412) are fixedly connected to the bottom surfaces of the first supporting plates (411);

the second connecting plate (42) is U-shaped, through holes are formed in the surfaces of two ends of the second connecting plate, two second supporting plates (421) are fixedly connected to the middle of the second connecting plate, and second threaded rods (422) are fixedly connected to the bottom surfaces of the second supporting plates (421);

the third connecting plate (43) is L-shaped, and a third threaded rod (431) is fixedly connected to the inner wall of one side of the third connecting plate.

4. The modular earthquake-proof staircase of claim 1, wherein: the lower ends of the two lower section supporting frames (11) are fixedly connected with a first connecting plate (41), and the first connecting plate (41) is in threaded connection with the shockproof group a through a first threaded rod (412) and a threaded hole (321).

5. The assembled quakeproof stair of claim 1, wherein: the upper ends of the two lower section supporting frames (11) are fixedly connected with a second connecting plate (42), the second connecting plate (42) is in threaded connection with a shockproof set b through a second threaded rod (422) and a threaded hole (321), and the shockproof set b is fixedly connected to the L-shaped fixing plate (6) through a fixing plate (36).

6. The modular earthquake-proof staircase of claim 1, wherein: the upper ends of the two upper section supporting frames (12) are fixedly connected with a third connecting plate (43), and the third connecting plate (43) is in threaded connection with the shockproof group c through a third threaded rod (431) and a threaded hole (321).

7. The modular earthquake-proof staircase of claim 1, wherein: the two lower section supporting frames (11) are fixedly connected with the two upper section supporting frames (12).

8. The assembled quakeproof stair of claim 1, wherein: the distance between the two oblique angle blocking pieces (311) is smaller than the inner diameter of the disc spring (35) and the diameters of the lower blocking disc (322) and the upper blocking disc (323); the upper end opening of the shockproof box (31) is circular, the diameter of the opening is larger than that of the supporting rod (32) and smaller than that of the lower baffle disc (322) and the upper baffle disc (323), and the diameter of the supporting rod (32) is smaller than the distance between the baffle plates (311) which are close to each other.

9. The modular earthquake-proof staircase of claim 1, wherein: footboard (2) fixedly connected with handrail (8), handrail (8) are detachable.

10. The assembled quakeproof stair of claim 1, wherein: the assembled shockproof stairway is also matched with an elastic plate (9).

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