CN204326816U - A kind of glass-frame riser of automobile - Google Patents

A kind of glass-frame riser of automobile Download PDF

Info

Publication number
CN204326816U
CN204326816U CN201420794288.XU CN201420794288U CN204326816U CN 204326816 U CN204326816 U CN 204326816U CN 201420794288 U CN201420794288 U CN 201420794288U CN 204326816 U CN204326816 U CN 204326816U
Authority
CN
China
Prior art keywords
glass
oil
hydraulic cylinder
frame riser
car door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420794288.XU
Other languages
Chinese (zh)
Inventor
肖尧
陈磊
杨安志
吴成明
冯擎峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201420794288.XU priority Critical patent/CN204326816U/en
Application granted granted Critical
Publication of CN204326816U publication Critical patent/CN204326816U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of glass-frame riser of automobile, belongs to automobile technical field.It solve and how to make glass-frame riser also can realize when car load power-off declining normally the problem of function.This automobile comprises car door and is positioned at the glass in car door car window, glass-frame riser comprises and is arranged on elevating mechanism on car door and hydraulic system, elevating mechanism drives glass oscilaltion by hydraulic system, hydraulic system comprises at least one hydraulic cylinder, oil pump and fuel tank, the oil-in of oil pump is communicated with fuel tank, the oil-out of oil pump is communicated with hydraulic cylinder by oil circuit one, the oil-out of oil pump is provided with reversal valve, the rodless cavity of hydraulic cylinder is connected with reversal valve by oil circuit two, the rod chamber of hydraulic cylinder is connected with reversal valve by oil circuit three, reversal valve is also connected with fuel tank, the rodless cavity of hydraulic cylinder is connected with emergency button by oil circuit four, emergency button is connected with fuel tank.Emergency button can make the rodless cavity off-load of hydraulic cylinder.

Description

A kind of glass-frame riser of automobile
Technical field
The utility model belongs to automobile technical field, relates to a kind of glass-frame riser.
Background technology
Electric glass lifter is one of important component of automobile, and the most frequently used glass-frame riser is mainly divided into and intersects arm-type lifter and rope sheave lifter two kinds.The key of electric glass lifter structure is motor and reducer, both is assembling all-in-one-piece, wherein motor adopts reversibility permanent magnet direct current motor, two groups are had around to different field coils in motor, can be rotated and reverse by the control of switch, that is can the rising of control gate window glass or decline.
As Chinese patent [application number: 201210179668.8; Authorization Notice No.: CN102704780A] disclose a kind of cable pulley type electric glass lifter, comprise guide rail, the slide plate be sleeved on guide rail, the upper conductor wheel laying respectively at guide rail two ends and lower wire wheel, spool, be wound on wire rope on spool and motor, the two ends of described wire rope are walked around upper conductor wheel respectively and are connected with slide plate with lower wire wheel, also comprise the driving wheel be connected with described motor output shaft and the driven pulley closed with active rotation browsing, described spool is connected with the output shaft of driven pulley.Structure of the present invention is simple, be easy to realize.
But, there is following defect in above-mentioned electric glass lifter: when running into vehicle falling into water or the emergency case such as traffic accident occurring, therefore car door cannot be opened, may be there is car load power-off in vehicle simultaneously, now motor just cannot drive glass to be elevated, cause occupant to be trapped in car like this, emergency even jeopardizes the life of occupant; In addition when above-mentioned electric glass lifter breaks down, glass just cannot be elevated, and not by automobile door glass place emergency escape, there is certain potential safety hazard.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of glass-frame riser, and the technical problem that the utility model solves how to make glass-frame riser also can realize the function that declines normally when car load power-off.
The purpose of this utility model realizes by following technical proposal: a kind of glass-frame riser of automobile, described automobile comprises car door and is positioned at the glass in car door car window, it is characterized in that, described glass-frame riser comprises and is arranged on elevating mechanism on car door and hydraulic system, described elevating mechanism drives glass oscilaltion by hydraulic system, described hydraulic system comprises at least one hydraulic cylinder, oil pump and fuel tank, the oil-in of described oil pump is communicated with fuel tank, the oil-out of described oil pump is communicated with hydraulic cylinder by oil circuit one, the oil-out of described oil pump is provided with reversal valve, the rodless cavity of described hydraulic cylinder is connected with reversal valve by oil circuit two, the rod chamber of described hydraulic cylinder is connected with reversal valve by oil circuit three, the oil-out of described reversal valve is connected with described fuel tank, the rodless cavity of described hydraulic cylinder is connected with emergency button by emergent oil pipe, described emergency button is connected with fuel tank, described emergency button can make the rodless cavity off-load of hydraulic cylinder.
The operating principle of the glass-frame riser of this automobile is: the flexible motion driving elevating mechanism being carried out hydraulic control cylinder piston rod by design hydraulic system, thus makes glass realize rising stably or declining under the drive of elevating mechanism.Carry out the flexible of hydraulic control cylinder piston rod particular by switching reversal valve, when switching reversal valve and making hydraulic cylinder oil-feed, piston rod stretches out under the effect of hydraulic oil, and now glass rises under the drive of elevating mechanism; When switching reversal valve and making hydraulic cylinder oil extraction, piston rod acts on retraction at hydraulic oil, and now glass declines.When running into vehicle complete vehicle power-off, hydraulic cylinder rodless cavity is made to realize off-load oil extraction by opening emergency button, now piston rod is retracted under the effect of gravity or other external force, thus the glass on car door is declined normally, avoid and cannot be escaped by automobile door glass and be trapped in car, ensure that the life security of passenger.
In the glass-frame riser of above-mentioned automobile, described oil circuit two is provided with the one way valve that can make hydraulic oil single flow direction hydraulic cylinder, and described one way valve is parallel with choke valve by oil pipe.When retracting under the effect of hydraulic cylinder piston rod at hydraulic oil, choke valve can the decrease speed of control piston bar, prevents decrease speed too fast and damages glass.
In the glass-frame riser of above-mentioned automobile, described oil circuit one is provided with overflow valve, and the oil-out of described overflow valve is communicated with fuel tank.When oil pump produce oil pressure excessive time, overflow valve can off-load in time, the safety of guarantee oil circuit.
In the glass-frame riser of above-mentioned automobile, the quantity of described hydraulic cylinder is two, and described hydraulic cylinder is connected in parallel by oil circuit.Two hydraulic cylinder synchronous motions, 2 lower balances of effect are good, and glass can be made more steady in the process risen or decline.
In the glass-frame riser of above-mentioned automobile, two described hydraulic cylinders are parallel to be fixed on car door, described elevating mechanism comprises movable pulley and is fixed on the fixed pulley one on car door, fixed pulley two and guide rail, described fixed pulley one and fixed pulley two lay respectively at the two ends of described guide rail, described movable pulley is arranged on the side near described fixed pulley two, the both sides of described movable pulley are connected with the piston rod of two described hydraulic cylinders respectively, described slide on rails is connected with slide block, described slide block is fixed with glass, one end of described slide block is connected by return spring and car door, the other end of described slide block is connected with wire rope, described wire rope is located in fixed pulley one successively, fixed pulley two and movable pulley are fixed on car door.The piston of hydraulic cylinder under the effect of hydraulic oil on move, promotion movable pulley moves upward, because steel wire one end and vehicle body are fixed, in the process that piston and movable pulley rise, wire rope can pull slide block upward sliding on guide rail by three pulleys, and glass can realize rising; When hydraulic cylinder piston declines, under the effect of return spring elastic force, slide block moves down on guide rail, and glass can realize declining; When emergency button is opened, hydraulic cylinder piston rod loses the effect of oil pressure, and glass realizes declining under the effect of return spring.
Alternatively, in the glass-frame riser of above-mentioned automobile, two described hydraulic cylinders are parallel to be fixed on car door, described elevating mechanism comprises slide rail and transposition arm, one end both arms of described transposition arm are fixed on car door, the other end both arms of described transposition arm are connected with the piston rod of two hydraulic cylinders respectively, and described slide rail one end is fixed with glass, and the other end of described slide rail and the both arms of transposition arm are slidably connected.The piston of hydraulic cylinder under the effect of hydraulic oil on move, transposition arm is subject to piston rod active force upwards, and both arms slowly close up, thus makes glass realize rising; The piston of hydraulic cylinder moves down under the effect of hydraulic oil, and transposition arm is subject to the downward active force of piston rod, and both arms slowly open, thus makes glass realize declining; When emergency button is opened, hydraulic cylinder piston rod loses the effect of oil pressure, realizes declining under the effect of glass self gravitation or external force.
As preferably, in the glass-frame riser of above-mentioned automobile, described reversal valve is three-position four-way electromagnetic directional valve, and Median Function is O type.Median Function is adopted to be that the reversal valve of O type can meet that glass commutator rises, keeps, the requirement of the three kinds of operating modes that decline, in three-position four-way electromagnetic directional valve, A mouth is connected with rodless cavity by oil circuit two, B mouth is connected with rod chamber by oil circuit three, P mouth is connected with oil pump by oil circuit one, and O mouth is connected with fuel tank by oil circuit.
As preferably, in the glass-frame riser of above-mentioned automobile, described emergency button is bi-bit bi-pass manual operation valve.Manual operation valve does not affect by automobile power-down, can realize the decline of glass after opening emergency button fast.
Compared with prior art, the glass-frame riser of this automobile has the following advantages: this glass-frame riser adopt hydraulic-driven, make the rising of glass or descending motion more steady; Meanwhile, by designing emergency button in hydraulic system, opening emergency button and making hydraulic system realize quick relief, thus make automobile can realize the normal lifting of automobile door glass when car load power-off.
Accompanying drawing explanation
Fig. 1 is the hydraulic system principle figure of the glass-frame riser of this automobile.
Fig. 2 is the operating principle schematic diagram of the glass-frame riser of this automobile.
In figure, 1, hydraulic cylinder; 2, oil pump; 3, fuel tank; 4, reversal valve; 5, emergency button; 6, one way valve; 7, choke valve; 8, overflow valve; 9, movable pulley; 10, fixed pulley one; 11, fixed pulley two; 12, guide rail; 13, slide block; 14, return spring; 15, wire rope; A, oil circuit one; B, oil circuit two; C, oil circuit three; D, oil circuit four.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
Automobile comprises car door and is positioned at the glass on car door, and this glass-frame riser comprises hydraulic cylinder 1, oil pump 2, fuel tank 3, reversal valve 4, emergency button 5, one way valve 6, choke valve 7, overflow valve 8, movable pulley 9, fixed pulley 1, fixed pulley 2 11, guide rail 12, slide block 13, return spring 14, wire rope 15, oil circuit one a, oil circuit two b, oil circuit three c, oil circuit four d.
Specifically, as shown in Figure 2, this glass-frame riser comprises and is arranged on elevating mechanism on car door and hydraulic system, elevating mechanism drives glass oscilaltion by hydraulic system, in the present embodiment, the fixed pulley 1 that elevating mechanism comprises movable pulley 9 and is fixed on car door, fixed pulley 2 11 and guide rail 12, fixed pulley 1 and fixed pulley 2 11 lay respectively at the two ends of guide rail 12, movable pulley 9 is arranged on the side near fixed pulley 2 11, guide rail 12 slidably connects slide block 13, slide block 13 is fixed with glass, one end of slide block 13 is connected by return spring 14 and car door, the other end of slide block 13 is connected with wire rope 15, wire rope 15 is located in fixed pulley 1 successively, fixed pulley 2 11 and movable pulley 9 are fixed on car door.
As shown in Figure 1, hydraulic system comprises hydraulic cylinder 1, oil pump 2 and fuel tank 3, and the quantity of hydraulic cylinder 1 is two, and hydraulic cylinder 1 is connected in parallel by oil circuit, and two hydraulic cylinders 1 are parallel to be fixed on car door, and the both sides of movable pulley 9 are connected with the piston rod of two hydraulic cylinders 1 respectively.The oil-in of oil pump 2 is communicated with fuel tank 3, the oil-out of oil pump 2 is communicated with hydraulic cylinder 1 by oil circuit one a, the oil-out of oil pump 2 is provided with reversal valve 4, the rodless cavity of hydraulic cylinder 1 is connected with reversal valve 4 by oil circuit two b, the rod chamber of hydraulic cylinder 1 is connected with reversal valve 4 by oil circuit three c, the oil-out of reversal valve is connected with fuel tank, and the rodless cavity of hydraulic cylinder 1 is connected with emergency button 5 by oil circuit four d, and emergency button 5 is connected with fuel tank.Reversal valve 4 is used for the oil-feed of hydraulic control cylinder 1 or oil extraction, and operation emergency button 5 can make hydraulic cylinder 1 rodless cavity realize off-load oil extraction.
Oil circuit two b is provided with the one way valve 6 that can make hydraulic oil single flow direction hydraulic cylinder 1, one way valve 6 is parallel with choke valve 7 by oil pipe.Oil circuit one a is provided with overflow valve 8, and the oil-out of overflow valve 8 is communicated with fuel tank 3.Emergency button 5 is ball valve or bi-bit bi-pass manual operation valve, and be preferably bi-bit bi-pass manual operation valve, reversal valve 4 is 3-position 4-way electro-hydraulic reversing valve or three-position four-way electromagnetic directional valve, and be preferably three-position four-way electromagnetic directional valve 4, Median Function is O type.When vehicle complete vehicle power-off, manual operation valve is not by power failures.
The hydraulic work system state of this glass-frame riser mainly comprises following two kinds: one, normal condition, under normal circumstances by the work in three-position four-way electromagnetic directional valve 4 hydraulic control loop.When reversal valve 4 is in left position, hydraulic oil is entered by one way valve 6 in the rodless cavity of hydraulic cylinder 1 under the effect of oil pump 2, and piston rises under the promotion of hydraulic oil, and the fluid in hydraulic cylinder 1 rod chamber enters fuel tank 3; When reversal valve 4 mediates, hydraulic cylinder 1 enters packing state, and piston position remains unchanged; When reversal valve 4 is in right end position, hydraulic oil enters in the rod chamber of hydraulic cylinder 1 under the effect of oil pump 2, and piston declines under the promotion of hydraulic oil, and bottom hydraulic cylinder 1, fluid is back to fuel tank 3 through choke valve 7.Two, emergency, emergency button 5 is bi-bit bi-pass manual operation valve, is usually in location right, i.e. normally off.Under the state of emergency, manually manipulation makes it to be in left position, hydraulic cylinder 1 rodless cavity and fuel tank 3 are connected, thus piston can be made to realize declining under the effect of external force, therefore, glass-frame riser also can realize the function that declines normally when car load power-off.
The course of work of this glass-frame riser is as follows:
When glass lifter switch is in upper upshift, control three position four-way electromagnetic valve position and be in left position, simultaneously oil pump 2 works, and according to above-mentioned principle, piston risings → wire rope 15 pulls slide block 13 to rise → glass rise.
When glass lifter switch is in closedown shelves, control three position four-way electromagnetic valve position and mediate, oil pump cuts out, and according to above-mentioned principle, piston, slide block 13, glass are in present position, keep motionless.
When glass lifter switch is in upper decline, control three position four-way electromagnetic valve position and be in right end position, oil pump 2 works simultaneously, and according to above-mentioned principle, piston declines, and slide block 13 declines, and glass declines.
Embodiment two:
Technical scheme in the present embodiment is substantially identical with the technical scheme in embodiment one, difference is, in the present embodiment, elevating mechanism comprises slide rail and transposition arm, one end both arms of transposition arm are fixed on car door, the other end both arms of transposition arm are connected with the piston rod of two hydraulic cylinders 1 respectively, and slide rail one end is fixed with glass, and the other end of slide rail and the both arms of transposition arm are slidably connected.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as hydraulic cylinder 1, oil pump 2, fuel tank 3, reversal valve 4, emergency button 5, one way valve 6, choke valve 7, overflow valve 8, movable pulley 9, fixed pulley 1, fixed pulley 2 11, guide rail 12, slide block 13, return spring 14, wire rope 15, oil circuit one a, oil circuit two b, oil circuit three c, oil circuit four d herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (8)

1. the glass-frame riser of an automobile, described automobile comprises car door and is positioned at the glass in car door car window, it is characterized in that, described glass-frame riser comprises and is arranged on elevating mechanism on car door and hydraulic system, described elevating mechanism drives glass oscilaltion by hydraulic system, described hydraulic system comprises at least one hydraulic cylinder (1), oil pump (2) and fuel tank (3), the oil-in of described oil pump (2) is communicated with fuel tank (3), the oil-out of described oil pump (2) is communicated with hydraulic cylinder (1) by oil circuit one (a), the oil-out of described oil pump (2) is provided with reversal valve (4), the rodless cavity of described hydraulic cylinder (1) is connected with reversal valve (4) by oil circuit two (b), the rod chamber of described hydraulic cylinder (1) is connected with reversal valve (4) by oil circuit three (c), described reversal valve (4) is also connected with described fuel tank (3), the rodless cavity of described hydraulic cylinder (1) is connected with emergency button (5) by oil circuit four (d), described emergency button (5) is connected with fuel tank, described emergency button (5) can make the rodless cavity off-load of hydraulic cylinder (1).
2. the glass-frame riser of automobile according to claim 1, it is characterized in that, described oil circuit two (b) is provided with the one way valve (6) that can make hydraulic oil single flow direction hydraulic cylinder (1), described one way valve (6) is parallel with choke valve (7) by oil pipe.
3. the glass-frame riser of automobile according to claim 1 and 2, is characterized in that, described oil circuit one (a) is provided with overflow valve (8), and the oil-out of described overflow valve (8) is communicated with fuel tank (3).
4. the glass-frame riser of automobile according to claim 1 and 2, is characterized in that, the quantity of described hydraulic cylinder (1) is two, and described hydraulic cylinder (1) is connected in parallel by oil circuit.
5. the glass-frame riser of automobile according to claim 4, it is characterized in that, two described hydraulic cylinders (1) are parallel to be fixed on car door, described elevating mechanism comprises movable pulley (9) and is fixed on the fixed pulley one (10) on car door, fixed pulley two (11) and guide rail (12), described fixed pulley one (10) and fixed pulley two (11) lay respectively at the two ends of described guide rail (12), described movable pulley (9) is arranged on the side near described fixed pulley two (11), the both sides of described movable pulley (9) are connected with the piston rod of two described hydraulic cylinders (1) respectively, described guide rail (12) slidably connects slide block (13), (13) are fixed with glass to described slide block, one end of described slide block (13) is connected by return spring (14) and car door, the other end of described slide block (13) is connected with wire rope (15), described wire rope (15) is located in fixed pulley one (10) successively, fixed pulley two (11) and movable pulley (9) are gone up and are fixed on car door.
6. the glass-frame riser of automobile according to claim 4, it is characterized in that, two described hydraulic cylinders (1) are parallel to be fixed on car door, described elevating mechanism comprises slide rail and transposition arm, one end both arms of described transposition arm are fixed on car door, the other end both arms of described transposition arm are connected with the piston rod of two hydraulic cylinders (1) respectively, and described slide rail one end is fixed with glass, and the other end of described slide rail and the both arms of transposition arm are slidably connected.
7. the glass-frame riser of automobile according to claim 1 and 2, is characterized in that, described reversal valve (4) is three-position four-way electromagnetic directional valve, and Median Function is O type.
8. the glass-frame riser of automobile according to claim 1 and 2, is characterized in that, described emergency button (5) is bi-bit bi-pass manual operation valve.
CN201420794288.XU 2014-12-15 2014-12-15 A kind of glass-frame riser of automobile Expired - Fee Related CN204326816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420794288.XU CN204326816U (en) 2014-12-15 2014-12-15 A kind of glass-frame riser of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420794288.XU CN204326816U (en) 2014-12-15 2014-12-15 A kind of glass-frame riser of automobile

Publications (1)

Publication Number Publication Date
CN204326816U true CN204326816U (en) 2015-05-13

Family

ID=53163188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420794288.XU Expired - Fee Related CN204326816U (en) 2014-12-15 2014-12-15 A kind of glass-frame riser of automobile

Country Status (1)

Country Link
CN (1) CN204326816U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109488154A (en) * 2018-12-26 2019-03-19 吉林大学 A kind of novel pure machinery vehicle window emergency landing mechanism and operating method
CN112761465A (en) * 2021-01-15 2021-05-07 国网山东省电力公司高密市供电公司 Glass fast-lifting vehicle door
CN113107299A (en) * 2021-03-19 2021-07-13 黄冈格罗夫氢能汽车有限公司 Door glass lifting system and lifting method for hydrogen energy automobile and hydrogen energy automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109488154A (en) * 2018-12-26 2019-03-19 吉林大学 A kind of novel pure machinery vehicle window emergency landing mechanism and operating method
CN112761465A (en) * 2021-01-15 2021-05-07 国网山东省电力公司高密市供电公司 Glass fast-lifting vehicle door
CN112761465B (en) * 2021-01-15 2023-02-21 国网山东省电力公司高密市供电公司 Glass fast-lifting vehicle door
CN113107299A (en) * 2021-03-19 2021-07-13 黄冈格罗夫氢能汽车有限公司 Door glass lifting system and lifting method for hydrogen energy automobile and hydrogen energy automobile

Similar Documents

Publication Publication Date Title
CN207226790U (en) A kind of lift car of improvement and layer door gap protective device
CN204326816U (en) A kind of glass-frame riser of automobile
CN201835666U (en) Metro platform screen door moving driving mechanism
CA2911930A1 (en) Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit
CN103613021A (en) Winch hydraulic control system and engineering machinery
CN110901496A (en) Fully-electric automobile tail plate
CN105625931A (en) Novel lifting rod type shielding door for public transport platform
CN108909604A (en) A kind of lift control method of caravan structure and ceiling
CN201396119Y (en) Winch intelligent vertical balance type pumping device
CN210555204U (en) Lifting device for truck cab
CN202961269U (en) Chamber door lifting device for low-temperature plasma sterilizer
CN204024142U (en) Hydraulic pressure back boom three-dimensional parking device
CN202164918U (en) Controller for inward and outward opening bus door
CN204324667U (en) A kind of mine cage chair and safety door linkage
CN1268478A (en) Civil building hydraulic elevator with variable balance weight device
CN203143897U (en) Coal mine vertical shaft type lifting cage automated hydraulic rolling door
CN104743424B (en) Step type hydraulic elevator
CN204283190U (en) A kind of novel public transport platform elevating lever-type shield door
CN200981804Y (en) Electric hydraulic jack for vehicle
CN205713298U (en) A kind of double hoisting type automobile elvator
CN108979698B (en) Mine ventilation control equipment and system
CN103643824B (en) A kind of rearmounted driving of parking apparatus and cable wire traction system
CN207226782U (en) A kind of device for lift car and layer door gap protection
CN205401265U (en) Activity petticoat pipe lift hydraulic control system
CN207312896U (en) A kind of improved elevator carriage and layer door gap safeguard structure

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150513