CN202273362U - Extensible drawer type staircase - Google Patents
Extensible drawer type staircase Download PDFInfo
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- CN202273362U CN202273362U CN2011203421536U CN201120342153U CN202273362U CN 202273362 U CN202273362 U CN 202273362U CN 2011203421536 U CN2011203421536 U CN 2011203421536U CN 201120342153 U CN201120342153 U CN 201120342153U CN 202273362 U CN202273362 U CN 202273362U
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- staircase
- bench
- buffer platform
- wall
- flooring
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Abstract
The utility model relates to a staircase, in particular to an extensible drawer type staircase. The extensible drawer type staircase is composed of a power gear, a chain, a pothook, sliding chutes, staircase side walls, staircase partition walls, a motor, a motor fixing frame, guardrails, wall end guardrails, a sliding pad, a driven gear, side shafts, balls, idler wheels and movable stair benches. Buffering platforms, which are horizontally arranged, are respectively arranged at the upper end and the lower end of a bottom stair bench; the plurality of side shafts are fixed on the side of each buffering platform; and the idler wheel and the ball at the end part of each side shaft are arranged in the sliding chute corresponding to the buffering platform where the side shaft is arranged. As the benches of the staircase can be conveniently adjusted to be in a compact state without the buffering platforms and in a safety state with the buffering platforms, the extensible drawer type staircase can meet the requirement of people for the service efficiency of the staircase at ordinary times in a non-people flow peak hour and also can meet the requirement for the safety of staircase in the people flow peak hour.
Description
Technical field
The present invention relates to a kind of stair, particularly relate to a kind of flexible drawer type stair.
Background technology
Often trample accident on the teaching building stair in campus, as: evenings 8 on October 25th, 2005 point, Tongjiang County, Bazhong City, Sichuan Province is extensively received primary school and is crowded and trample in the accident, 8 student's death, 17 students are injured; At the beginning of 2005 11 months, tread event when student's stair activity takes place in Anhui Bozhou City Qiaocheng District secondhand clothes or clothes badly tailored and of poor material primary school, 12 people are injured; Xiangxiang City, Hunan Province in 2009 school of cultivating people of ability takes place after 8 people are dead, 26 people are injured student tramples accident, and Xiangxiang City responds actively, and in time gives treatment to the injured student, carries out student died in an accident's aftermath, and strictly handles the accident responsibility people; 11: 50 Beijing time of on November 29th, 2010, when the student goes downstairs during the setting-up exercises during the break of Xinjiang Uygur Autonomous Regions's Aksu City the 5th primary school,, cause the accident of trampling because the student in front falls down, cause 41 students injured, wherein severely injured 7 people, slight wound 34 people.
The generation time and again of the accident of trampling of the stair in campus; Be enough to cause the attention of the Ministry of Education and each campus administrative department; But existing preventive action only are to prevent the generation of the accident of trampling through " safety management ", " safety inspection " and methods such as " safety educations ", do not have solid technological means and eliminate the potential safety hazard that causes tread event.
Why do the stair in campus trample accident time and again? Trace it to its cause mainly as follows:
The existing teaching building slope of stairs is steeper, and each floor ladder is made up of two bench at most, and simultaneously, each bench all is to be made up of the continuous ladder step, and the centre is not provided with more buffer platform again.And adolescent student is in the growth stage; Nature are active, and the jump of liking running is in the process of fast speed through long, the continuous ladder step; Owing to there be not being interrupted of buffer platform midway; It can in this accelerator, very easily be fallen in the effect constantly increase down of the oblique component of acceleration of gravity towards speed down.In the process that the intensive stream of people goes downstairs fast, in case there is the people to fall, because the place ahead does not have any impact mitigation measure; Under the stream of people's in the wings the pushing, the people who falls can continue to roll to the stair lower, also becomes back crowd's stumbling-block simultaneously; Cause falling of more people, thus the accident of trampling.
And why existing teaching building stair are not provided with a plurality of buffer platform on bench; Be because such design will certainly increase the length of stair greatly; Increase the total time that the pedestrian goes downstairs under non-congested conditions, also just reduced the service efficiency of stair under non-congested conditions.
Therefore, the mild and stair of the safety of the slope of stairs exist contradiction between the service efficiency under the non-congested conditions.
Summary of the invention
The present invention provides a kind of accident of can either avoiding trampling in student's visitors flowrate peak period to take place for solving the deficiency of prior art, can not reduce the flexible drawer type stair of stair service efficiency again in the normal period.
The scheme that solves the utility model technical problem is: flexible drawer type stair by power gear, chain, hook, chute, staircase side wall, staircase partition wall, motor, motor fixing frame, guardrail, wall end guardrail, increase skidding, driven gear, side shaft, ball, roller and activity bench and constitute.
Article two, staircase side wall and exterior wall constitute staircase, also have the staircase partition wall parallel with the staircase side wall at the middle part of two staircase side walls, and every activity bench is between staircase side wall and the staircase partition wall.Every the activity bench is made up of buffer platform, profile, middle part bench, bottom bench and top bench.
The upper and lower end of bench has buffer platform that be combined as a whole with the bottom bench, horizontally disposed respectively in the bottom; The upper and lower end of bench has buffer platform that be combined as a whole with the middle part bench, horizontally disposed respectively at the middle part, and the upper end of top bench combines as a whole with the flooring of building.The buffer platform that combines with bench lower end, bottom is fixed with guardrail on the edge of an end of staircase exterior wall; The buffer platform that combines with bench lower end, bottom be fixed with a pair of hook respectively towards the staircase exterior wall with on the end face at this two ends of flooring, also be provided with wall end guardrail leaning on the side of staircase partition wall of bottom bench.The horizontally disposed chute that a recessed metope is arranged respectively on the position identical with each buffer platform height of staircase side wall and staircase partition wall; Being bonded with material on the horizontal bottom of chute is the skidding that increases of corrosion resistant plate; Be fixed with a plurality of columniform side shafts on the side of each buffer platform; Be with the roller that becomes rotation to concern movingly with side shaft on the sidewall of the end of each side shaft, be inlaid with spheroidal, rotating ball on the end plane of each side shaft.Roller and ball all be in the pairing chute of the buffer platform at its place in.Profile is that the cross section is the elongate body of rectangle.
Bench ladder step bottom surface bottom in top is a horizontal plane, and this horizontal plane has one to be holistic profile with the top bench towards the lower limb of staircase exterior wall one end.The top edge towards flooring one end of the buffer platform that combines with middle part bench upper end have one therewith buffer platform be the profile of one; The lower edge at the two ends of the buffer platform that combines with bench lower end, middle part respectively have one therewith buffer platform be the profile of one, the top edge towards flooring one end of the buffer platform that combines with bottom bench upper end have one therewith buffer platform be the profile of one.
Be separately installed with a motor fixing frame at the inwall of staircase exterior wall and the junction of two staircase side walls, each motor fixing frame is connected with a motor.The rotating shaft of each motor interfixes with the power gear that is placed in the rotating shaft.Also be respectively arranged with a driven gear on the wall of each staircase side wall.The top edge of the top edge of each power gear and the driven gear of homonymy and lay respectively at two hooks buffer platform two ends, homonymy and all be on same the horizontal linear parallel with the staircase side wall; And this four part and a chain constitute a translation system, and chain has the perforation that matches with power gear.In each translation system, an end of chain be positioned at the hook of buffer platform and be connected towards staircase exterior wall one end, the other end of chain is walked around power gear successively and is connected with driven gear and with the hook of buffer platform towards flooring one end.Each buffer platform towards an end of flooring and corresponding chute separately under the situation of the sidewall flush of flooring one end, the length that each buffer platform exceeds the buffer platform of its top or exceeds its top ladder step equals the length in each ladder step of activity bench.Each buffer platform towards the profile of flooring one end and above it under the contacted state of profile of staircase exterior wall one end, each buffer platform exceeds the buffer platform of its top or exceeds the length in its top ladder step and is not less than 600mm.
Arrived the pedestrian on the stair before the period on visitors flowrate peak; The operator connects the power supply of motor; Power gear rotation and drive chain will be linked up with together with bottom bench and wall end guardrail and spur to staircase exterior wall direction; The buffer platform of bottom bench through bottom bench upper end with profile with the middle part bench to the pulling of staircase exterior wall direction, until the buffer platform of middle part bench upper end with the profile of profile and top bench ladder step bottom surface bottom when fastening each other, the cut-out motor power.At this moment, the buffer platform that two length are not less than 600mm appears on the bench of stair.Under normal condition at ordinary times; In the time of need stair being returned to the compact condition that does not have buffer platform; Only need make the motor reverse rotation; Power gear rotation and drive chain will be linked up with together with the bottom bench and spur to the flooring direction; The buffer platform of bottom bench through bottom bench upper end with profile the middle part bench is promoted to the flooring direction, mutual when concordant towards the wall of flooring one end until the buffer platform of middle part bench upper end towards the end face of the flooring one end chute corresponding with it, the cut-out motor power.At this moment, stair return to compact condition.
Adopt such scheme, can reach following beneficial effect:
1. because the utility model is provided with a plurality of buffer platform in the stair bench; Can repeatedly interrupt student's automatic habitual acceleration in the process that sweeps away stair with fast speed so on the one hand; Limit the speed that the student goes downstairs effectively; The gradient of simultaneously also having slowed down stair has on the whole been avoided the generation of traditional stair because of the gradient is big, the student the goes downstairs accident of trampling that excessive velocities causes.
2. in the process of going downstairs, the pedestrian is if fall, and buffer platform has certain pedestrian that organizes and continues the effect of rolling downwards, thereby avoids the chain accident of trampling of " snowball " type of falling in succession and producing because of the pedestrian below the accident origination point.
3. because the utility model can be adjusted into compact condition that does not have buffer platform and the safe condition that buffer platform is arranged with the stair bench easily; The demand of non-at ordinary times stream of people people's peak period can be satisfied, safety needs can be satisfied again at peak traffic period stair to the service efficiency of stair.
Description of drawings
Fig. 1 is in the plan view of rounding state for the utility model;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is in the plan view of extended state for the utility model;
Fig. 4 is the B-B sectional drawing of Fig. 3;
Fig. 5 is the structure enlarged diagram at the C place of Fig. 1;
Fig. 6 is the structure enlarged diagram at the D place of Fig. 4.
Among the figure: 1. power gear 2. chains 3. hooks 4. chutes 5. staircase side walls 6. staircase partition walls 7. motors 8. motor fixing frames 9. guardrails 10. wall end guardrails 11. increase skidding 12. driven gears 13. buffer platform 14. middle part bench 15. bottom bench 16. top bench 17. side shafts 18. balls 19. rollers 20. profiles
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe.
Flexible drawer type stair by power gear 1, chain 2, hook 3, chute 4, staircase side wall 5, staircase partition wall 6, motor 7, motor fixing frame 8, guardrail 9, wall end guardrail 10, increase skidding 11, driven gear 12, side shaft 17, ball 18, roller 19 and activity bench and constitute.
Article two, staircase side wall 5 constitutes staircase with exterior wall, also has the staircase partition wall 6 parallel with staircase side wall 5 at the middle part of two staircase side walls 5, and every activity bench is between staircase side wall 5 and the staircase partition wall 6.Every the activity bench is made up of buffer platform 13, profile 20, middle part bench 14, bottom bench 15 and top bench 16.
The upper and lower end of bench 15 has respectively and bottom bench 15 buffer platform 13 that be combined as a whole, horizontally disposed in the bottom; The upper and lower end of bench 14 has respectively and middle part bench 14 buffer platform 13 that be combined as a whole, horizontally disposed at the middle part, and the upper end of top bench 16 combines as a whole with the flooring of building.The buffer platform 13 that combines with bottom bench 15 lower ends is fixed with guardrail 9 on the edge of an end of staircase exterior wall; The buffer platform 13 that combines with bottom bench 15 lower ends be fixed with a pair of hook 3 respectively towards the staircase exterior wall with on the end face at this two ends of flooring, also be provided with wall end guardrail 10 leaning on the side of staircase partition wall 6 of bottom bench 15.The horizontally disposed chute 4 that a recessed metope is arranged respectively on the position highly identical with each buffer platform 13 of staircase side wall 5 and staircase partition wall 6; What be bonded with material on the horizontal bottom of chute 4 and be corrosion resistant plate increases skidding 11; Be fixed with a plurality of columniform side shafts 17 on the side of each buffer platform 13; Be with the roller 19 that concerns movingly with 17 one-tenth rotations of side shaft on the sidewall of the end of each side shaft 17, be inlaid with spheroidal, rotating ball 18 on the end plane of each side shaft 17.Roller 19 and ball 18 all are in the buffer platform 13 pairing chutes 4 with its place.Profile 20 is that the cross section is the elongate body of rectangle.
Be separately installed with a motor fixing frame 8 at the inwall of staircase exterior wall and the junction of two staircase side walls 5, each motor fixing frame 8 is connected with a motor 7.The rotating shaft of each motor 7 interfixes with the power gear 1 that is placed in the rotating shaft.Also be respectively arranged with a driven gear 12 on the wall of each staircase side wall 5.The top edge of the top edge of each power gear 1 and the driven gear of homonymy 12 and lay respectively at two hooks 3 buffer platform 13 two ends, homonymy and all be on same the horizontal linear parallel with staircase side wall 5; And this four part and a chain 2 constitute a translation system, and chain 2 has the perforation that matches with power gear 1.In each translation system, an end of chain 2 be positioned at the hook 3 of buffer platform 13 and be connected towards staircase exterior wall one end, the other end of chain 2 is walked around power gear 1 successively and is connected with driven gear 12 and with the hook 3 of buffer platform 13 towards flooring one end.Each buffer platform 13 towards an end of flooring and corresponding chute 4 separately under the situation of the sidewall flush of flooring one end, the length that each buffer platform 13 exceeds the buffer platform 13 of its top or exceeds its top ladder step equals the length in each ladder step of activity bench.Each buffer platform 13 towards the profile of flooring one end 20 above with it under the profile 20 contacted states of staircase exterior wall one end, each buffer platform 13 exceeds the buffer platform 13 of its top or exceeds the length in its top ladder step and is not less than 600mm.
Arrived the pedestrian on the stair before the period on visitors flowrate peak; The operator connects the power supply of motor 7; Power gear 1 is rotated and is driven chain 2 and will link up with 3 and spur to staircase exterior wall direction together with bottom bench 15 and wall end guardrail 10; The buffer platform 13 of bottom bench 15 through bottom bench 15 upper ends with profile 20 middle part bench 14 is spurred to staircase exterior wall direction; Until the buffer platform 13 of middle part bench 14 upper ends with the profile 20 of profile 20 and top bench 16 ladder step bottom surface bottom when fastening each other, cut off motor power.At this moment, the buffer platform 13 that two length are not less than 600mm appears on the bench of stair.Under normal condition at ordinary times; In the time of need stair being returned to the compact condition that does not have buffer platform; Only need make the motor reverse rotation; Power gear 1 is rotated and is driven chain 2 and will link up with 3 and spur to the flooring direction together with bottom bench 15; The buffer platform 13 of bottom bench 15 through bottom bench 15 upper ends with profile 20 middle part bench 14 is promoted to the flooring direction, mutual when concordant towards the wall of flooring one end until the buffer platform 13 of middle part bench 14 upper ends towards the end face of the flooring one end chute 4 corresponding with it, the cut-out motor power.At this moment, stair return to compact condition.
Claims (1)
1. flexible drawer type stair by power gear, chain, hook, chute, staircase side wall, staircase partition wall, motor, motor fixing frame, guardrail, wall end guardrail, increase skidding, driven gear, side shaft, ball, roller and activity bench and constitute, is characterized in that: two staircase side walls and exterior wall constitute staircase; Middle part at two staircase side walls also has the staircase partition wall parallel with the staircase side wall, and every activity bench is between staircase side wall and the staircase partition wall, and every activity bench is made up of buffer platform, profile, middle part bench, bottom bench and top bench; The upper and lower end of bench has buffer platform that be combined as a whole with the bottom bench, horizontally disposed respectively in the bottom; The upper and lower end of bench has buffer platform that be combined as a whole with the middle part bench, horizontally disposed respectively at the middle part, and the upper end of top bench combines as a whole with the flooring of building, and the buffer platform that combines with bench lower end, bottom is fixed with guardrail on the edge of an end of staircase exterior wall; The buffer platform that combines with bench lower end, bottom be fixed with a pair of hook respectively towards the staircase exterior wall with on the end face at this two ends of flooring; Also be provided with wall end guardrail leaning on the side of staircase partition wall of bottom bench, the horizontally disposed chute of a recessed metope is arranged respectively on the position identical with each buffer platform height of staircase side wall and staircase partition wall, being bonded with material on the horizontal bottom of chute is the skidding that increases of corrosion resistant plate; Be fixed with a plurality of columniform side shafts on the side of each buffer platform; Be with on the sidewall of the end of each side shaft with side shaft and become the rotation roller of relation movingly, be inlaid with spheroidal, rotating ball on the end plane of each side shaft, roller and ball all be in the pairing chute of the buffer platform at its place in; Profile is that the cross section is the elongate body of rectangle; Bench ladder step bottom surface bottom in top is a horizontal plane, and this horizontal plane has one to be holistic profile with the top bench towards the lower limb of staircase exterior wall one end, the top edge towards flooring one end of the buffer platform that combines with middle part bench upper end have one therewith buffer platform be the profile of one; The lower edge at the two ends of the buffer platform that combines with bench lower end, middle part respectively have one therewith buffer platform be the profile of one; The top edge towards flooring one end of the buffer platform that combines with bottom bench upper end have one therewith buffer platform be the profile of one, be separately installed with a motor fixing frame at the inwall of staircase exterior wall and the junction of two staircase side walls, each motor fixing frame is connected with a motor; The rotating shaft of each motor interfixes with the power gear that is placed in the rotating shaft; Also be respectively arranged with a driven gear on the wall of each staircase side wall, the top edge of the top edge of each power gear and the driven gear of homonymy and lay respectively at two hooks buffer platform two ends, homonymy and all be on same the horizontal linear parallel with the staircase side wall, and this four part and a chain constitute a translation system; Chain has the perforation that matches with power gear; In each translation system, an end of chain be positioned at the hook of buffer platform and be connected towards staircase exterior wall one end, the other end of chain is walked around power gear successively and is connected with driven gear and with the hook of buffer platform towards flooring one end; Each buffer platform towards an end of flooring and corresponding chute separately under the situation of the sidewall flush of flooring one end; The length that each buffer platform exceeds the buffer platform of its top or exceeds its top ladder step equals the length in each ladder step of activity bench, each buffer platform towards the profile of flooring one end with above it under the contacted state of profile of staircase exterior wall one end, each buffer platform exceeds the buffer platform of its top or exceeds the length that its top ladder goes on foot and is not less than 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421536U CN202273362U (en) | 2011-09-13 | 2011-09-13 | Extensible drawer type staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421536U CN202273362U (en) | 2011-09-13 | 2011-09-13 | Extensible drawer type staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273362U true CN202273362U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203421536U Withdrawn - After Issue CN202273362U (en) | 2011-09-13 | 2011-09-13 | Extensible drawer type staircase |
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| Country | Link |
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| CN (1) | CN202273362U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425278A (en) * | 2011-09-13 | 2012-04-25 | 宁波市鄞州千峰机械科技有限公司 | Trample protecting variable-grade staircase |
| CN104746817A (en) * | 2015-03-26 | 2015-07-01 | 河北工业大学 | PLC-based novel building external escaping ladder |
| CN106836854A (en) * | 2017-03-28 | 2017-06-13 | 中山市辉煌凯达房地产有限公司 | A kind of duplex house type house |
| CN108464264A (en) * | 2018-04-09 | 2018-08-31 | 中国环境科学研究院 | Length can self-adjustable fish-releasing slot |
| CN111591069A (en) * | 2020-05-29 | 2020-08-28 | 重庆工业职业技术学院 | Invoice containing box |
| CN112681807A (en) * | 2021-01-15 | 2021-04-20 | 重庆大学 | Convenient stair honeycomb building suitable for earthquake relief work |
-
2011
- 2011-09-13 CN CN2011203421536U patent/CN202273362U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425278A (en) * | 2011-09-13 | 2012-04-25 | 宁波市鄞州千峰机械科技有限公司 | Trample protecting variable-grade staircase |
| CN102425278B (en) * | 2011-09-13 | 2013-06-19 | 宁波市鄞州千峰机械科技有限公司 | Trample protecting variable-grade staircase |
| CN104746817A (en) * | 2015-03-26 | 2015-07-01 | 河北工业大学 | PLC-based novel building external escaping ladder |
| CN106836854A (en) * | 2017-03-28 | 2017-06-13 | 中山市辉煌凯达房地产有限公司 | A kind of duplex house type house |
| CN108464264A (en) * | 2018-04-09 | 2018-08-31 | 中国环境科学研究院 | Length can self-adjustable fish-releasing slot |
| CN111591069A (en) * | 2020-05-29 | 2020-08-28 | 重庆工业职业技术学院 | Invoice containing box |
| CN111591069B (en) * | 2020-05-29 | 2021-06-15 | 重庆工业职业技术学院 | Invoice containing box |
| CN112681807A (en) * | 2021-01-15 | 2021-04-20 | 重庆大学 | Convenient stair honeycomb building suitable for earthquake relief work |
| CN112681807B (en) * | 2021-01-15 | 2021-09-14 | 重庆大学 | Convenient stair honeycomb building suitable for earthquake relief work |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120613 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |