CN213115265U - Shockproof stair structure for civil air defense - Google Patents
Shockproof stair structure for civil air defense Download PDFInfo
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- CN213115265U CN213115265U CN202021290548.1U CN202021290548U CN213115265U CN 213115265 U CN213115265 U CN 213115265U CN 202021290548 U CN202021290548 U CN 202021290548U CN 213115265 U CN213115265 U CN 213115265U
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- 230000007123 defense Effects 0.000 title claims abstract description 21
- 230000035939 shock Effects 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of civil air defense equipment, especially, a civil air defense is with stair structure that takes precautions against earthquakes, it is relatively poor to current stair structure shock attenuation shock-resistance, thereby run into the problem that strong impact leads to the internal damage easily to influence its life, the scheme is as follows now put forward, it includes the stair main part, shock attenuation frame and supporting seat, shock attenuation frame sliding sleeve establishes in the stair main part outside, the supporting seat sliding sleeve is established in the shock attenuation frame outside, stair main part one side bottom fixed mounting has two wedge push pedals, the circular recess has all been seted up on the inner wall of both sides around the shock attenuation frame, equal slidable mounting has the push rod in two circular recesses, the equal fixed mounting of one end that two push rods are close to each other has the wedge slide, two wedge. The utility model has the advantages of reasonable design, through carrying out the double buffering protection in three position to stair, guarantee the shock resistance that takes precautions against earthquakes of stair, do benefit to the life who improves stair.
Description
Technical Field
The utility model relates to a civil air defense equipment technical field especially relates to a civil air defense is with stair structure that takes precautions against earthquakes.
Background
Along with building industry's rapid development, the efficiency of construction has been improved greatly in the appearance of assembled prefabricated stair, and the stair body generally is fixed connection with the supporting seat, and tensile and resistance to compression effect between stair body and the supporting seat is relatively poor, makes the shock resistance of stair body and supporting seat junction relatively poor, appears damaging in the earthquake easily, for this reason, we propose a building industrialization prefabricated stair structure for antidetonation. Through retrieval, Chinese patent with the publication number of CN209468943U discloses an anti-seismic building industrialized assembly type prefabricated staircase structure in the technical field of staircases, which comprises a supporting seat and a staircase body, wherein the front side and the rear side of the bottom side wall of a transverse sliding plate are respectively provided with a transverse sliding block, the top side wall of a base is provided with a transverse sliding chute matched with the transverse sliding block, the left side and the right side of the bottom side wall of a top plate are respectively provided with a vertical sliding block, the top side wall of the transverse sliding plate is provided with a vertical sliding chute matched with the vertical sliding block, the staircase body can slightly move left and right when transverse pressure and pulling force are applied to the staircase body, the staircase body can slightly move front and back when vertical pressure and pulling force are applied to the staircase body, a fixed sleeve can move up and down on the outer side of a fixed inserted rod, the staircase body is convenient to vibrate up and down, the normal use of the stair body is ensured, and the service life of the stair is prolonged.
But the design has the defects that the requirement on safety is higher in the civil air defense engineering construction process, the impact on the stair is buffered and damped only through a single group of springs in the design, the buffering capacity is poor, and the damping effect is difficult to ensure, so that the civil air defense shockproof stair structure is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the shock absorption and impact resistance of the existing stair structure are poor, and the strong impact easily causes the internal damage to influence the service life of the stair structure, and providing the shockproof stair structure for civil air defense.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shockproof stair structure for civil air defense comprises a stair main body, a shock absorption frame and a supporting seat, wherein the shock absorption frame is slidably sleeved on the outer side of the stair main body, the supporting seat is slidably sleeved on the outer side of the shock absorption frame, two wedge-shaped push plates are fixedly installed at the bottom of one side of the stair main body, circular grooves are respectively formed in the inner walls of the front side and the rear side of the shock absorption frame, push rods are respectively slidably installed in the circular grooves, one ends, close to each other, of the two push rods are respectively fixedly provided with a wedge-shaped sliding plate, the two wedge-shaped sliding plates are respectively slidably connected with the inner wall of one side of the shock absorption frame and the inner wall of the bottom of one side of the shock absorption frame, the two wedge-shaped push plates are respectively movably connected with the corresponding wedge-shaped sliding plates, one ends, the sleeve plates are sleeved on the outer sides of the two vertical rods in a sliding mode, sliding grooves are formed in the inner walls of the front side and the rear side of the damping frame, and the two sleeve plates are connected with the corresponding sliding grooves in a sliding mode.
Preferably, two lagging equal fixed connection second buffer spring's in one side that are close to each other one end, two second buffer spring's the other end all with stair main part fixed connection.
Preferably, the two sliding grooves are internally and fixedly provided with guide rods, and the two sleeve plates are respectively sleeved on the outer sides of the corresponding guide rods in a sliding manner.
Preferably, two equal fixedly connected with third buffer spring's in lagging both sides one end, four third buffer spring's the other end all with the spout inner wall fixed connection that corresponds, four third buffer spring set up respectively in the guide bar outside that corresponds.
Preferably, equal fixed mounting has the blotter on supporting seat bottom inner wall and the top inner wall, two blotters all with shock attenuation frame swing joint.
Preferably, the two push rods are fixedly provided with limiting pins on two sides, the inner walls of two sides of the two circular grooves are provided with limiting grooves matched with the limiting pins, and the four limiting pins are respectively connected with the corresponding limiting grooves in a sliding manner.
In the utility model, when the stair body is vertically impacted, the stair body drives the damping frame to slide up and down in the supporting seat, the two cushion pads buffer the movement of the damping frame, thereby relieving the impact of the stair body and protecting the stair body, when the stair main body is impacted in the left-right direction, the stair main body slides left and right in the shock absorption frame and drives the two wedge-shaped push plates and the two vertical rods to slide left and right, the two wedge-shaped push plates slide and push the two wedge-shaped sliding plates to slide towards the sides far away from each other through the cooperation of the wedge-shaped sliding plates, the two first buffer springs buffer the sliding of the wedge-shaped sliding plates, the wedge-shaped push plate and the stair main body are buffered, meanwhile, the two vertical rods slide left and right to drive the two sleeve plates to slide left and right, and the four third buffer springs buffer the sliding of the two sleeve plates, so that the vertical rods and the stair main body are protected in a buffering mode;
in the utility model, when the stair main body is impacted in the front-back direction, the stair main body slides back and forth in the shock absorption frame and drives the two wedge-shaped push plates and the two vertical rods to slide back and forth, the two wedge-shaped push plates slide and push the two wedge-shaped slide plates to slide towards one side away from each other through the cooperation of the wedge-shaped slide plates, the two first buffer springs buffer the sliding of the wedge-shaped slide plates, so that the wedge-shaped push plates and the stair main body are buffered, meanwhile, the two vertical rods slide back and forth in the front-back direction of the inner sides of the two sleeve plates, and the two second buffer springs buffer and protect the sliding of the stair main body, so that the impact resistance of the stair main body is ensured through the buffer protection;
the utility model has the advantages of reasonable design, through carrying out the double buffering protection in three position to stair, guarantee the shock resistance that takes precautions against earthquakes of stair, do benefit to the life who improves stair, the reliability is high.
Drawings
Fig. 1 is a schematic structural view of a shockproof stair structure for civil air defense provided by the utility model;
FIG. 2 is a schematic structural view of the section A-A of the shockproof stair structure for civil air defense provided by the present invention;
fig. 3 is a schematic structural view of a portion B of the earthquake-proof stair structure for civil air defense provided by the present invention;
fig. 4 is the structural schematic diagram of the C part of the earthquake-proof stair structure for civil air defense provided by the utility model.
In the figure: 1. a stair body; 2. a shock-absorbing frame; 3. a supporting seat; 4. a cushion pad; 5. a wedge-shaped push plate; 6. a circular groove; 7. a push rod; 8. a wedge-shaped slide plate; 9. a first buffer spring; 10. a vertical rod; 11. sheathing; 12. a chute; 13. a second buffer spring; 14. a third buffer spring; 15. a guide bar; 16. a spacing pin; 17. a limiting 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.
Referring to fig. 1-4, a shockproof stair structure for civil air defense comprises a stair main body 1, a shock absorption frame 2 and a supporting seat 3, wherein the shock absorption frame 2 is slidably sleeved on the outer side of the stair main body 1, the supporting seat 3 is slidably sleeved on the outer side of the shock absorption frame 2, two wedge-shaped push plates 5 are fixedly installed at the bottom of one side of the stair main body 1, circular grooves 6 are respectively formed in the inner walls of the front side and the rear side of the shock absorption frame 2, push rods 7 are respectively and slidably installed in the two circular grooves 6, wedge-shaped sliding plates 8 are respectively and fixedly installed at the ends, close to each other, of the two push rods 7, the two wedge-shaped sliding plates 8 are respectively and slidably connected with the inner wall of one side and the inner wall of the bottom of the shock absorption frame 2, the two wedge-shaped push plates 5 are respectively and movably connected with the corresponding wedge, equal fixed mounting in both sides bottom has montant 10 around stair main part 1, and two montant 10 outsides all slide the cover and be equipped with lagging 11, all seted up spout 12 on the inner wall of both sides around the shock attenuation frame 2, two lagging 11 all with the 12 sliding connection of corresponding spout.
The utility model discloses in, two lagging 11 equal fixed connection second buffer spring 13's in one side that are close to each other one end, two second buffer spring 13's the other end all with 1 fixed connection of stair main part.
The utility model discloses in, equal fixed mounting has guide bar 15 in two spouts 12 are all fixed, and two lagging 11 slip caps respectively are established in the corresponding guide bar 15 outside.
The utility model discloses in, the equal fixedly connected with third buffer spring 14's in two lagging 11 both sides one end, four third buffer spring 14's the other end all with the 12 inner wall fixed connections of spout that correspond, four third buffer spring 14 set up respectively in the guide bar 15 outsides that correspond.
The utility model discloses in, equal fixed mounting has blotter 4 on 3 bottom inner walls of supporting seat and the top inner wall, two blotters 4 all with 2 swing joint of shock attenuation frame.
The utility model discloses in, two equal fixed mounting in push rod 7 both sides have a spacer pin 16, all set up on 6 both sides inner walls of two circular recesses with the spacing groove 17 of 16 adaptations of spacer pin, four spacer pins 16 respectively with the spacing groove 17 sliding connection who corresponds.
In the utility model, when the stair body 1 is vertically impacted, the stair body 1 drives the shock absorption frame 2 to slide up and down in the supporting seat 3, the two buffer pads 4 buffer the movement of the shock absorption frame 2, thereby buffering the impact of the stair body 1 and protecting the same, when the stair body 1 is impacted in the left and right directions, the stair body 1 slides left and right in the shock absorption frame 2 and drives the two wedge-shaped push plates 5 and the two vertical rods 10 to slide left and right, the two wedge-shaped push plates 5 slide and push the two wedge-shaped sliding plates 8 to slide to one side far away from each other through the matching of the wedge-shaped sliding plates 8, the two first buffer springs 9 buffer the sliding of the wedge-shaped sliding plates 8, thereby buffering the wedge-shaped push plates 5 and the stair body 1, meanwhile, the two vertical rods 10 slide left and right to drive the two sleeve plates 11 to slide left and right, and the four third buffer springs 14 buffer the sliding of, thereby carry out the buffer protection to montant 10 and stair main part 1, when stair main part 1 received the fore-and-aft direction and assaults, stair main part 1 slides around in shock-absorbing frame 2 and drives two wedge push pedal 5 and two montants 10 and slides, two wedge push pedal 5 slide and promote two wedge slides 8 to the one side slip of keeping away from each other through wedge slide 8's cooperation, two first buffer spring 9 cushion wedge slide 8's slip, thereby cushion wedge push pedal 5 and stair main part 1, slide around two montants 10 simultaneously and slide around two lagging 11 inboards, two second buffer spring 13 cushion the protection to stair main part 1's slip, thereby guarantee stair main part 1's shock resistance through the buffer protection in each position.
Claims (6)
1. A shockproof stair structure for civil air defense comprises a stair main body (1), a shock absorption frame (2) and a supporting seat (3), and is characterized in that the shock absorption frame (2) is slidably sleeved on the outer side of the stair main body (1), the supporting seat (3) is slidably sleeved on the outer side of the shock absorption frame (2), two wedge-shaped push plates (5) are fixedly arranged at the bottom of one side of the stair main body (1), circular grooves (6) are respectively formed in the inner walls of the front side and the rear side of the shock absorption frame (2), push rods (7) are respectively and slidably arranged in the two circular grooves (6), wedge-shaped sliding plates (8) are respectively and fixedly arranged at the ends, close to each other, of the two push rods (7), the two wedge-shaped sliding plates (8) are respectively and slidably connected with the inner wall at one side and the inner wall at the bottom of the shock absorption frame (2), the two wedge-shaped push plates (5) are respectively and movably connected with the, the other end of two first buffer spring (9) all with shock attenuation frame (2) inner wall fixed connection, equal fixed mounting in both sides bottom has montant (10) around stair main part (1), and two montant (10) outside all slide the cover and be equipped with lagging (11), spout (12) have all been seted up on both sides inner wall around shock attenuation frame (2), and two lagging (11) all with spout (12) sliding connection that correspond.
2. The earthquake-proof stair structure for civil air defense as claimed in claim 1, wherein one side of the two lagging (11) close to each other is fixedly connected with one end of the second buffer spring (13), and the other end of the two second buffer springs (13) is fixedly connected with the stair body (1).
3. The earthquake-proof stair structure for civil air defense as claimed in claim 1, wherein the two sliding grooves (12) are fixedly provided with guide rods (15) inside, and the two sleeve plates (11) are respectively sleeved on the outer sides of the corresponding guide rods (15) in a sliding manner.
4. The earthquake-proof stair structure for civil air defense as claimed in claim 1, wherein one end of the third buffer spring (14) is fixedly connected to both sides of the two strap plates (11), the other ends of the four third buffer springs (14) are fixedly connected to the inner wall of the corresponding sliding chute (12), and the four third buffer springs (14) are respectively arranged at the outer sides of the corresponding guide rods (15).
5. The earthquake-proof stair structure for civil air defense as claimed in claim 1, wherein the bottom inner wall and the top inner wall of the supporting seat (3) are both fixedly provided with the buffer pads (4), and both the buffer pads (4) are movably connected with the shock absorption frame (2).
6. The earthquake-proof stair structure for civil air defense as claimed in claim 1, wherein two sides of the two push rods (7) are fixedly provided with limit pins (16), two inner walls of two sides of the circular grooves (6) are respectively provided with limit grooves (17) matched with the limit pins (16), and four limit pins (16) are respectively connected with the corresponding limit grooves (17) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290548.1U CN213115265U (en) | 2020-07-06 | 2020-07-06 | Shockproof stair structure for civil air defense |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290548.1U CN213115265U (en) | 2020-07-06 | 2020-07-06 | Shockproof stair structure for civil air defense |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213115265U true CN213115265U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021290548.1U Active CN213115265U (en) | 2020-07-06 | 2020-07-06 | Shockproof stair structure for civil air defense |
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| Country | Link |
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| CN (1) | CN213115265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808728A (en) * | 2022-05-13 | 2022-07-29 | 中水电四局南方（珠海）工程有限公司 | Anti-falling device for bridge construction |
-
2020
- 2020-07-06 CN CN202021290548.1U patent/CN213115265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808728A (en) * | 2022-05-13 | 2022-07-29 | 中水电四局南方（珠海）工程有限公司 | Anti-falling device for bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: Room 204, Block A, Free Trade Building, No. 296, Zhengkai Avenue, Kaifeng District, Henan Pilot Free Trade Zone, 475000, Henan Province Patentee after: Kaifeng Anping Civil Air Defense Equipment Co.,Ltd. Address before: 341608 Huang Ni Keng, An'an village, Anxi Town, Xinfeng County, Ganzhou City, Jiangxi Province Patentee before: Liu Yanghua |
|
| TR01 | Transfer of patent right |