CN104687822A - Protection air bag type lifting chair - Google Patents

Protection air bag type lifting chair Download PDF

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Publication number
CN104687822A
CN104687822A CN201510139704.1A CN201510139704A CN104687822A CN 104687822 A CN104687822 A CN 104687822A CN 201510139704 A CN201510139704 A CN 201510139704A CN 104687822 A CN104687822 A CN 104687822A
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CN
China
Prior art keywords
steel pipe
bag
protective air
screw rod
piston
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Pending
Application number
CN201510139704.1A
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Chinese (zh)
Inventor
徐逸扬
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510139704.1A priority Critical patent/CN104687822A/en
Publication of CN104687822A publication Critical patent/CN104687822A/en
Pending legal-status Critical Current

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Abstract

A protection air bag type lifting chair comprises a chair cushion, a pressing rod, a support, a support steel plate, a screw rod, an inner steel pipe and an outer steel pipe, a pivot of the pressing rod is fixed to the side wall of the support, the bottom of the inner steel pipe is fixed to the outer steel pipe through a plug and a sealing ring on the top of the outer steel pipe, the screw rod capable of freely moving is arranged in the inner steel pipe, the end, in the support, of the pressing rod is connected with the top end of the screw rod, an elastic buffering layer is arranged in the support, the edge of the elastic buffering layer is embedded in the inner wall of the support, a protection air bag is arranged on the top of the screw rod, the edge of the protection air bag is fixed between the support and the inner steel pipe, when an explosion happens in the lifting the chair, a user can be effectively prevented from being hurt by the explosion due to inappropriate using of the lifting chair through the protection air bag installed on the screw rod and the elastic buffering layer arranged at the upper portion of the protection air bag part, and the personal safety of the user is guaranteed.

Description

Protective air-bag formula chair lift
Technical field
The invention belongs to household furniture field, particularly relate to a kind of protective air-bag formula chair lift.
Background technology
Along with the development of scientific and technological progress, more and more higher to the requirement of seat in people's daily life, the most work of the mankind all completes by being sitting on chair.In the development course of design seat, in order to different table height can be adapted to, also in order to the comfort level of user can be catered to, invent a kind of Pneumatic type lifting chair.Pneumatic type lifting chair by air spring using gas as working media, can play the flexible member of support, buffering, braking, the highly function such as adjustment and angular adjustment, be made up of force pipe, piston, piston rod and some connectors.The operation principle of Pneumatic type lifting chair is pressed into inert gas in airtight cavity, as nitrogen, makes the pressure in cavity be greater than atmospheric pressure, utilize pressure differential to realize the motion of piston rod, thus reach the effect of adjusting seat.But the producer is in the process of producing Pneumatic type lifting chair, pursue cheap while but to the quality aspect of chair lift, control is strict not, often there is the phenomenons such as nitrogen gas purity is not enough, screw rod material is adulterated.In addition, in the process using seat frequent height regulate and rotary seat or due to seat long for service life, cause the pressure portion of under-seat to cross thermal explosion and cause violent damage to person, What is more seriously can jeopardize the life security of user.It is because businessman uses poor material on the one hand that such situation occurs, but is that chair lift lacks corresponding protective device after all, and consumer's protection mechanism that neither one is good in the process using seat, for user security has buried hidden danger.
Summary of the invention
For solving the problem; the invention discloses a kind of protective air-bag formula chair lift; by being arranged on the protective air-bag on screw rod in protective air-bag formula chair lift; screw rod can be caused to blast in user's misoperation and necessary protection is provided; the special material that protective air-bag adopts can stop the material fragments such as screw rod explosive from seat, ensures the personal safety of user.Simultaneously; elastic cord breaker is there is also mounted on the top of protective air-bag part; the active force produced in the process of fragment can wrapped up by buffer protection air bag; the two duplicate protection can effectively stop user to explode when chair lift improper use brought injury, allows consumer relievedly use.
In order to achieve the above object, the invention provides following technical scheme: a kind of protective air-bag formula chair lift, comprise chair cushion, depression bar, support, support steel plate, screw rod, interior steel pipe, outer steel pipe, cradle top is fixed on the bottom of chair cushion by support steel plate, frame bottom is socketed in the top of interior steel pipe, rack side wall is fixed with the fulcrum on depression bar, the top of outer steel pipe will be fixed on outer steel pipe by plug and sealing ring bottom interior steel pipe, interior steel duct is provided with screw rod that can be freely movable, depression bar is connected with screw tip in one end of internal stent, internal stent is provided with elastic cord breaker, the edge of elastic cord breaker embeds in rack inner wall, described screw tip is provided with protective air-bag, the edge of protective air-bag is fixed between support and interior steel pipe, the inside of outer steel pipe is provided with a piston, the bottom of interior steel pipe is connected with piston, be connected with guide valve bottom screw rod.
As a modification of the present invention scheme, described protective air-bag is arranged between screw rod and depression bar.
As a preferred embodiment of the present invention, described protective air-bag adopts and makes without latitude cloth, and the inwall of protective air-bag is attached with great friction coefficient fiber.
As a preferred embodiment of the present invention, described elastic cord breaker inside comprises Kevlar material, and described elastic cord breaker outer wrap has sponge material.
As a preferred embodiment of the present invention, described outer steel duct comprises upper cylinder, lower cylinder, piston, guide valve, sealing ring, sealing gasket, described piston is connected with sealing ring, sealing gasket is provided with between piston and guide valve, the bottom of described interior steel pipe is connected with piston by gas port, and described screw rod is connected with guide valve through its centre.
As a preferred embodiment of the present invention, between described piston and screw rod, be provided with air slot.
By protective air-bag formula chair lift provided by the invention; seat inside adopts the unique design of protective air-bag; and the inside of protective air-bag is attached with great friction coefficient fiber; when chair lift break down or user in use misoperation is explosion caused time; fragment after blast is erupted to chair top by the steel pipe of seat; protective air-bag protection, in the exit of steel pipe, can wrap the fragment after blast, and the particular design of protective air-bag can prevent the fragment exploded from puncturing protective air-bag.Simultaneously, on protective air-bag top, elastic cord breaker is installed, because the active force of blast is huge, the active force that protective air-bag bears in instant of detonation can be alleviated, the personal safety of safety guarantee consumer, guarantee that user withdraws chair top in time, thus chair lift can be stopped to explode the personal injury brought to user.
Accompanying drawing explanation
Fig. 1 is the sectional view of protective air-bag formula chair lift.
Reference numerals list: steel pipe, 9-outer steel pipe, 10-plug, 11-upper cylinder, 12-piston, 13-sealing ring, 14-gas port, 15-air slot, 16-sealing gasket, 17-guide valve, 18-lower cylinder in 1-chair top, 2-support steel plate, 3-depression bar, 4-elastic cord breaker, 5-support, 6-protective air-bag, 7-screw rod, 8-.
Detailed description of the invention
Below with reference to specific embodiment, technical scheme provided by the invention is described in detail, following detailed description of the invention should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
Protective air-bag formula chair lift comprises chair top 1, depression bar 3, support 5, screw rod 7, interior steel pipe 8, outer steel pipe 9, support 5 supports chair cushion by support 5 steel plate 2, support 5 lower port wraps interior steel pipe 8 top, the top of outer steel pipe 9 wraps the middle part of interior steel pipe 8 by outer steel pipe 9 plug 10, outer steel pipe 9 inside is provided with piston 12, piston 12 connects the bottom of interior steel pipe 8, interior steel pipe 8 is divided into upper cylinder 11 and lower cylinder 18 by piston 12, screw rod 7 is fixed in interior steel pipe 8, the nut portion of screw rod 7 is located at support 5 inside, the bottom of screw rod 7 is connected with piston 12, the bottom of piston 12 is provided with guide valve 17.Depression bar 3 is provided with in the side of support 5, the connecting axle of depression bar 3 is fixed on the sidewall of support 5, the other end of depression bar 3 extends to support 5 inside and is connected with screw rod 7, connecting axle as the strong point by raising and active force can be reached by down-pressed pole 3 end on the screw rod 7 under depression bar 3 end, when people is sitting on chair, body weight, by chair top 1, support 5, interior steel pipe 8, piston 12, compresses the gas in lower cylinder 18.When the bounce of the Compressed Gas in lower cylinder 18 suffered on piston 12 is equal with human body weight, chair top 1 is just equilibrated at this height.When people be sitting in chair wants turn down chair top 1 height time, pull with hand and heighten low depression bar 3, depression bar 3 depress spiro rod 7, screw rod 7 backs down the guide valve 17 being arranged on piston 12 bottom, under the pressure that Compressed Gas in lower cylinder 18 is given by piston 12 at human body weight, flow through the gas port 14 between interior steel pipe 8 and piston 12 by the air slot 15 be arranged between piston 12 and bolt, enter upper cylinder 11, piston 12 times end pressures reduce and are able to move down in steel pipe 9 outside; When hand decontrols depression bar 3, guide valve 17 by Compressed Gas in lower cylinder 18 pressure again on move closedown, when bounce and the human body weight of the Compressed Gas in lower cylinder 18 suffered by piston 12 are equal again, chair top 1 just balances again on the seat height of people's needs.When wanting to heighten chair top 1 height, lift hip to pull with hand simultaneously and heighten low depression bar 3, depression bar 3 and screw rod 7 press off guide valve 17, the Compressed Gas in upper and lower air cylinders 18 is made to be circulated to equal air pressure through air slot 15, gas port 14,12, piston is because the sectional area of its lower surface contacted with gas is greater than the sectional area of the upper surface that it contacts with gas, so the pressure ratio upper surface that is subject to, piston 12 lower surface is large, thus piston 12 just promotes chair top 1 increases; When hand is decontroled after depression bar 3, guide valve 17 closes air slot 15 again, when the bounce of the Compressed Gas on back piston 12 of sitting down in suffered lower cylinder 18 is again equal with human body weight, chair top 1 be again equilibrated at need adjustment height on.
If the guide valve 17 that the nut shape on screw rod 7 lower end screw thread occurs loosen and slippage suddenly time or due to be repeatedly elevated seat height cause overheated time, Compressed Gas in cylinder just lead-screw 7 is shot out from interior steel pipe 8, the top of screw rod 7 is provided with protective air-bag 6, the employing of protective air-bag 6 is made without latitude cloth, the inside of protective air-bag 6 is attached with great friction coefficient fiber, the edge of protective air-bag 6 is fastened between support 5 and interior steel pipe 8, elastic cord breaker 4 is provided with between protective air-bag 6 and support 5 steel plate 2, elastic cord breaker 4 adopts Kevlar material to make, after screw rod 7 ejects from interior steel pipe 8, along with nitrogen pours in protective air-bag 6 together, protective air-bag 6 is upwards heaved rapidly under the active force impacted, protective air-bag 6 break up protective air-bag 6 without the fragment during latitude cloth and great friction coefficient fiber can prevent from exploding, protective air-bag 6 hits elastic cord breaker 4 in impact process, protective air-bag 6 and elastic cord breaker 4 object that will explode when coordinating protection is confined in protective air-bag 6, duplicate protection can ensure the personal safety of user at explosion time simultaneously, fundamentally solve chair lift to explode the technical difficult problem brought.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (6)

1. a protective air-bag formula chair lift, it is characterized in that: comprise chair cushion, depression bar, support, support steel plate, screw rod, interior steel pipe, outer steel pipe, described cradle top is fixed on the bottom of chair cushion by support steel plate, described frame bottom is socketed in the top of interior steel pipe, described rack side wall is fixed with the fulcrum on depression bar, the top of described outer steel pipe will be fixed on outer steel pipe by plug and sealing ring bottom interior steel pipe, described interior steel duct is provided with screw rod that can be freely movable, described depression bar is connected with screw tip in one end of internal stent, described internal stent is provided with elastic cord breaker, the edge of elastic cord breaker embeds in rack inner wall, described screw tip is provided with protective air-bag, the edge of protective air-bag is fixed between support and interior steel pipe, the inside of outer steel pipe is provided with a piston, the bottom of described interior steel pipe is connected with piston, be connected with guide valve bottom described screw rod.
2. protective air-bag formula chair lift according to claim 1, is characterized in that: described protective air-bag is arranged between screw rod and depression bar.
3. protective air-bag formula chair lift according to claim 1 and 2, is characterized in that: described protective air-bag adopts and makes without latitude cloth, and the inwall of protective air-bag is attached with great friction coefficient fiber.
4. protective air-bag formula chair lift according to claim 1, it is characterized in that: described elastic cord breaker inside comprises Kevlar material, described elastic cord breaker outer wrap has sponge material.
5. protective air-bag formula chair lift according to claim 1, it is characterized in that: described outer steel duct comprises upper cylinder, lower cylinder, piston, guide valve, sealing ring, sealing gasket, described piston is connected with sealing ring, sealing gasket is provided with between piston and guide valve, the bottom of described interior steel pipe is connected with piston by gas port, and described screw rod is connected with guide valve through its centre.
6. protective air-bag formula chair lift according to claim 5, is characterized in that: be provided with air slot between described piston and screw rod.
CN201510139704.1A 2015-03-29 2015-03-29 Protection air bag type lifting chair Pending CN104687822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510139704.1A CN104687822A (en) 2015-03-29 2015-03-29 Protection air bag type lifting chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510139704.1A CN104687822A (en) 2015-03-29 2015-03-29 Protection air bag type lifting chair

Publications (1)

Publication Number Publication Date
CN104687822A true CN104687822A (en) 2015-06-10

Family

ID=53335700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510139704.1A Pending CN104687822A (en) 2015-03-29 2015-03-29 Protection air bag type lifting chair

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CN (1) CN104687822A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105815956A (en) * 2016-05-31 2016-08-03 浙江安吉护童家具有限公司 Pneumatic lifting chair with explosion-proof device
CN105877256A (en) * 2016-05-18 2016-08-24 朱小菊 Adjustable seat
CN106864020A (en) * 2017-04-06 2017-06-20 贵州鸿图彩印包装有限责任公司 Safe and efficient gilding press
CN107826010A (en) * 2016-09-15 2018-03-23 福特全球技术公司 Apparatus and method for customizing seat
CN107960774A (en) * 2017-12-28 2018-04-27 安吉县大志家具制造有限公司 A kind of high security seat
CN108506684A (en) * 2018-02-27 2018-09-07 吉林省行氏动漫科技有限公司 A kind of virtual reality device regulating system and its working method
CN109008368A (en) * 2018-09-12 2018-12-18 董慧清 A kind of safe chair lift
CN110169406A (en) * 2019-07-12 2019-08-27 宁德市水狮钓具有限公司 A kind of Portable fishing pedestal
CN110726670A (en) * 2019-10-22 2020-01-24 雅视特科技(杭州)有限公司 Metallographic image camera based on internet of things and operation method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105877256A (en) * 2016-05-18 2016-08-24 朱小菊 Adjustable seat
CN105815956A (en) * 2016-05-31 2016-08-03 浙江安吉护童家具有限公司 Pneumatic lifting chair with explosion-proof device
CN107826010A (en) * 2016-09-15 2018-03-23 福特全球技术公司 Apparatus and method for customizing seat
CN106864020A (en) * 2017-04-06 2017-06-20 贵州鸿图彩印包装有限责任公司 Safe and efficient gilding press
CN106864020B (en) * 2017-04-06 2023-08-04 广东东纳数码印刷科技有限公司 Safe and efficient gilding press
CN107960774A (en) * 2017-12-28 2018-04-27 安吉县大志家具制造有限公司 A kind of high security seat
CN108506684A (en) * 2018-02-27 2018-09-07 吉林省行氏动漫科技有限公司 A kind of virtual reality device regulating system and its working method
CN109008368A (en) * 2018-09-12 2018-12-18 董慧清 A kind of safe chair lift
CN110169406A (en) * 2019-07-12 2019-08-27 宁德市水狮钓具有限公司 A kind of Portable fishing pedestal
CN110726670A (en) * 2019-10-22 2020-01-24 雅视特科技(杭州)有限公司 Metallographic image camera based on internet of things and operation method thereof

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Application publication date: 20150610

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