CN104746316A - Opening-closing auxiliary structure of upper cover of washing machine and washing machine - Google Patents

Opening-closing auxiliary structure of upper cover of washing machine and washing machine Download PDF

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Publication number
CN104746316A
CN104746316A CN201310728859.XA CN201310728859A CN104746316A CN 104746316 A CN104746316 A CN 104746316A CN 201310728859 A CN201310728859 A CN 201310728859A CN 104746316 A CN104746316 A CN 104746316A
Authority
CN
China
Prior art keywords
upper cover
opening
washing machine
plunger shaft
piston
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.)
Granted
Application number
CN201310728859.XA
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Chinese (zh)
Other versions
CN104746316B (en
Inventor
吕佩师
田云
张琪
杨旭光
李峰
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.)
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Washing Machine 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.)
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Publication date
Application filed by Haier Group Corp, Qingdao Haier Washing Machine Co Ltd filed Critical Haier Group Corp
Priority to CN201310728859.XA priority Critical patent/CN104746316B/en
Publication of CN104746316A publication Critical patent/CN104746316A/en
Application granted granted Critical
Publication of CN104746316B publication Critical patent/CN104746316B/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12Casings; Tubs
    • D06F39/14Doors or covers; Securing means therefor

Abstract

The invention relates to the field of washing machines, in particular to an opening-closing auxiliary structure of an upper cover of a washing machine and the washing machine. The opening-closing auxiliary structure of the upper cover is arranged between the upper cover and a washing machine disc seat and comprises a damping device, a spring matched with the damping device and a transmission mechanism. When the upper cover is closed, the damping device is matched with the spring to apply rotating torque on the upper cover through the transmission mechanism. When the upper cover is closed, the torque direction is opposite to the upper cover closing direction. When the upper cover is open, the torque direction is identical with the opening direction of the upper cover. By means of the opening-closing auxiliary structure, the upper cover closing speed can be reduced, a well buffering effect is achieved, large noise is avoided, and the fingers of a user are not damaged. When the upper cover is opened, the damping device is matched with the spring through the transmission mechanism to exert the torque identical with the upper cover opening direction on the upper cover. The opening-closing auxiliary structure can achieve the assistance effect for opening of the upper cover and can save labor.

Description

A kind of opening and closing supplementary structure of washing machine top case and washing machine
Technical field
The present invention relates to washing machine field, particularly relate to a kind of opening and closing supplementary structure and washing machine of washing machine top case.
Background technology
Washing machine comprises control panel seat, and the clothes inlet place of control panel seat is provided with upper cover, and one end and the control panel seat of upper cover are connected through the hinge, and upper cover can be opened or closed relative to control panel seat by hinge.When closed upper cover, because upper cover closing velocity is fast, larger noise can be produced, can upper cover be damaged simultaneously, shorten the service life of upper cover.
In prior art, general by arranging the closing velocity that elastic device slows down upper cover between upper cover and control panel seat, play cushioning effect, but the upper cover due to industrial washing machine adopts metallic plate to make usually, weight is very large, existing upper cover damping well cannot solve the problem of upper cover overall process slowly closing, and the closing velocity of upper cover can not effectively be slowed down, and user opens upper cover to be needed to use very large power; Also have in the position of lower cover close to closed position, damping force is smaller, occurs the situation that lower cover closing velocity increases suddenly, easily causes upper cover to fall to injuring by a crashing object suddenly the finger of user.
For above problem, need the opening and closing supplementary structure of the washing machine top case wanting a kind of good buffering function badly, bad with the cushioning effect solving the opening and closing supplementary structure existed in prior art, and than being easier to the problem of wearing and tearing and instability.
Summary of the invention
The object of the present invention is to provide a kind of opening and closing supplementary structure of washing machine top case, be located between upper cover and control panel rest for washing machine, this opening and closing supplementary structure can slow down the closing velocity of upper cover, play good cushioning effect, avoid producing larger noise, simultaneously can not the finger of impaired user, and power-assisted effect is played when upper cover is opened, save the strength.
The present invention also aims to provide a kind of washing machine, its upper cover and control panel seat junction are provided with above opening and closing supplementary structure, when closing upper cover, opening and closing supplementary structure can slow down the closing velocity of upper cover, play good cushioning effect, avoid producing larger noise, simultaneously can not the finger of impaired user, and play power-assisted effect when upper cover is opened, save the strength.
For reaching this object, the present invention by the following technical solutions:
A kind of opening and closing supplementary structure of washing machine top case, be located between upper cover and control panel rest for washing machine, described opening and closing supplementary structure comprises damping unit, the spring coordinated with damping unit and transmission mechanism, described damping unit matches with spring and applies torque by transmission mechanism to described upper cover, when upper cover is closed, torque direction is contrary with the direction that upper cover is closed, and when upper cover is opened, the direction that torque direction and upper cover are opened is identical.
As preferably, described damping unit comprises the plunger shaft of hollow, is provided with resisting medium and piston in described plunger shaft; Described spring is arranged in described plunger shaft, and the bottom of described spring one end and plunger shaft abuts against, and one end and piston abut against; Described upper cover has the upper cover axle with its synchronous axial system, and described upper cover axle drives piston reciprocating motion in plunger shaft by described transmission mechanism; On described piston and/or the bottom of described plunger shaft is provided with at least one through hole.
As preferably, described piston is provided with at least one check valve.
As preferably, described transmission mechanism comprises the piston arm that one end is connected with piston, and the upper cover axle of one end and described upper cover be connected and can with the drive rod of described upper cover axle synchronous axial system; The described drive rod other end is provided with bearing pin, and described piston arm is provided with chute, and described bearing pin can slide in described chute with the rotation of drive rod.
As preferably, described damping unit is air damper; Described resisting medium is air.
As preferably, in described plunger shaft, be provided with at least one spring.
As preferably, in described plunger shaft, be provided with two springs.
As preferably, described plunger shaft one end is provided with stroke chamber, described drive rod and described piston arm are located in stroke chamber.Described stroke chamber comprises two side, and described upper cover axle rotational support is on described two side.
A kind of washing machine, comprise upper cover and control panel seat, described upper cover is connected with control panel seat by the opening and closing supplementary structure described at least more than one any one.
Beneficial effect of the present invention is: the opening and closing supplementary structure and the washing machine that the invention provides a kind of washing machine top case, because opening and closing supplementary structure has damping unit, the spring coordinated with damping unit and transmission mechanism, when closing upper cover, described damping unit matches with spring and applies torque by transmission mechanism to described upper cover, when upper cover is closed, torque direction is contrary with the direction that upper cover is closed, and when upper cover is opened, the direction that torque direction and upper cover are opened is identical.So this opening and closing supplementary structure can slow down the closing velocity of upper cover, play good cushioning effect, avoid producing larger noise, simultaneously can not the finger of impaired user.When upper cover is opened, because described damping unit and spring match by the transmission mechanism torque identical to the direction that described upper cover applies and upper cover is opened, play power-assisted effect when upper cover is opened, save the strength.
Accompanying drawing explanation
Fig. 1 is the complete machine view of washing machine provided by the invention;
Fig. 2 is the syndeton schematic diagram with opening and closing supplementary structure under upper cover open mode provided by the invention;
Fig. 3 is " A " place close-up schematic view in Fig. 2 of the present invention;
Fig. 4 is the syndeton schematic diagram with opening and closing supplementary structure under upper cover closure state provided by the invention;
Fig. 5 is the internal structure schematic diagram of opening and closing supplementary structure under upper cover open mode provided by the invention;
Fig. 6 is the internal structure schematic diagram of opening and closing supplementary structure under upper cover closure state provided by the invention.
Wherein:
1, upper cover; 2, opening and closing supplementary structure; 3, stroke chamber;
21, plunger shaft; 22, spring; 23, piston; 24, piston arm;
26, upper cover axle; 27, drive rod; 28, bearing pin;
212, opening;
231, base plate; 232, gusset plate;
241, chute;
31, the first side wall; 32, the second sidewall;
311, orbit hole;
321, orbit hole; 322, circular hole.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Present solution provides a kind of opening and closing supplementary structure 2 of washing machine top case, be located between upper cover 1 and control panel rest for washing machine, as shown in Figure 1, the clothes inlet place of control panel rest for washing machine is provided with upper cover 1, upper cover 1 is connected with control panel seat by upper cover axle 26, and upper cover axle 26 two ends are connected with the opening and closing supplementary structure 2 be arranged on control panel seat.The spring 22 that opening and closing supplementary structure 2 also comprises damping unit and coordinates with damping unit, described damping unit matches with spring 22 and applies torque by transmission mechanism to described upper cover 1.When upper cover 1 is closed, described damping unit and spring 22 match, and to apply to described upper cover 1 direction that the direction of torque and upper cover 1 close by transmission mechanism contrary.When upper cover 1 is opened, described damping unit and spring 22 match, and to apply to described upper cover 1 direction that the direction of torque and upper cover 1 open by transmission mechanism identical.
When closing upper cover 1, damping unit matches to apply torque to described upper cover 1 with spring 22, this torque is for delaying the whereabouts of described upper cover 1.So this opening and closing supplementary structure 2 can slow down the closing velocity of upper cover 1, play good cushioning effect, avoid producing larger noise, simultaneously can not the finger of impaired user, and do not damage upper cover 1 yet, the service life of upper cover 1 can be extended.
Meanwhile, when upper cover 1 is opened, by transmission mechanism, 1 is executed to described upper cover add the torque identical with the direction that upper cover 1 is opened because described damping unit and spring 22 match, play power-assisted effect when upper cover 1 is opened, save the strength.
As shown in Figure 2, described damping unit is arranged on the control panel seat of washing machine, comprises the plunger shaft 21 of hollow, is provided with resisting medium and piston 23 in described plunger shaft 21; Also be provided with spring 22 in described plunger shaft 21, the bottom of described spring 22 one end and plunger shaft 21 abuts against, and one end and piston 23 abut against.Described upper cover 1 has can with the upper cover axle 22 of the folding of upper cover and its synchronous axial system, described upper cover axle 26 drives piston 23 reciprocating motion in plunger shaft 21 by transmission mechanism, and then resisting medium in the compressible described plunger shaft 21 of described piston 23 and spring 22.Described piston 23 is provided with at least one through hole, and when piston 23 inwardly slides in plunger shaft 21, described through hole, for the outwardly emission gases cushioned, alleviates the movement velocity of piston 23.Certainly, the setting position of described through hole is not limited thereto, and also can be provided with at least one through hole in the bottom of plunger shaft 21, or on piston 23, is provided with at least one through hole with the bottom of plunger shaft 21 simultaneously.Due to the resisting medium in the compressible described plunger shaft 21 of described piston 23 and spring 22, so the elastic force of the pressure values that can change in plunger shaft 21 and spring 22.
In the present embodiment, in described plunger shaft 21, be provided with at least one spring 22.If spring 22 quantity is too much, then the power needed during piston 23 Compress Spring 22 is comparatively large, so the number of the spring established in described plunger shaft 21 is preferably two.
In the present embodiment, described damping unit is air damper; Resisting medium in described plunger shaft 21 is air.
Below damping unit and operation principle thereof are described in detail:
As shown in Figures 3 to 6, the upper cover axle 26 that described transmission mechanism comprises piston arm 24 that one end is connected with piston 23 and one end and described upper cover 1 be connected and can with the drive rod 27 of described upper cover axle 26 synchronous axial system.Described drive rod 27 other end is provided with bearing pin 28, and described piston arm 24 is provided with chute 241, and described bearing pin 28 can slide up and down in described chute 241 with the rotation of drive rod 27.To close or when opening upper cover 1, described upper cover axle 22 drives piston 23 reciprocating motion by transmission mechanism and then drives spring 22 stretching motion, and compresses the gas in described plunger shaft 21.
In the present embodiment, described piston 23 comprises base plate 231, the mating shapes of the shape of described base plate 231 and plunger shaft 21 cross section of described plunger shaft 21.One end of described plunger shaft 21 has opening 212, and described piston arm 24 is connected with the lateral surface of described base plate 231 through described opening 212.
When user closes washing machine top case 1, upper cover axle 26 is closed along with upper cover 1 and rotates clockwise, and drive drive rod 27 to rotate clockwise, now, bearing pin 28 moves downward along cell wall in chute 241, promote piston arm 24 with this to move in plunger shaft 21 along opening 212, piston arm 24 further drives piston 23 outwards mobile in plunger shaft 21, and final position as shown in Figure 5.When piston arm 24 promote piston 23 move in plunger shaft 21 time, due to the gas in piston 23 compression piston chamber 21, and the gas in plunger shaft 21 can not be discharged by through hole timely, so the air pressure in plunger shaft 21 is greater than the external world, the effect alleviating piston 23 movement velocity can be played, alleviate the closing velocity of upper cover 1 with this.Further, due to piston 23 Compress Spring 22 while outside movement in plunger shaft 21, the reaction force that spring 22 gives piston certain, and then the closing velocity producing that upper cover 1 is alleviated in torque.Along with the movement of piston 23, described spring 22 is increased gradually by the amplitude compressed, so its elastic force also increases gradually, the torque of generation also increases gradually, and then makes this opening and closing supplementary structure better can slow down the closing velocity of upper cover 1.This opening and closing supplementary structure plays good cushioning effect, avoids producing larger noise.
When user opens upper cover, upper cover axle 26 upwards rotates along with upper cover 1 and rotates counterclockwise, and drive drive rod 27 to rotate counterclockwise, now, bearing pin 28 moves upward along cell wall in chute 241, promote piston arm 24 with this outwards mobile in plunger shaft 21 along opening 212, piston arm 24 further drives piston 23 outwards mobile in plunger shaft 21, and final position as shown in Figure 5.
In the present embodiment, preferably, the cross section of described piston arm 24 and described opening 212 match.But be not limited thereto, the cross section of described piston arm 24 also can be less than described opening 212.
In the present embodiment, in order to make the better tightness of piston 23 and plunger shaft 21, described piston 23 also comprises the gusset plate 232 being arranged on outer place inside base plate, and the cross section of the cross section of described gusset plate 232 and the plunger shaft 21 of described plunger shaft 21 matches.
Described gusset plate 232 is preferably and is surrounded by two planes be oppositely arranged and two cambered surfaces that connect two planes respectively.Now, the sidewall of described plunger shaft 21 also comprises two planes be oppositely arranged and connects two cambered surfaces of two planes respectively.Certainly, the shape of described gusset plate 232 is not limited thereto, and also can be surrounded by six planes, and now, the sidewall of described plunger shaft 21 also comprises six planes.
In the present embodiment, conveniently piston 23 is put into plunger shaft 21, described plunger shaft 21 is docked by symmetrical upper end and bottom and is formed.
In the present embodiment, described plunger shaft 21 one end is provided with stroke chamber 3, and described drive rod 27 and described piston arm 24 are located in stroke chamber 3.Described stroke chamber 3 comprises the first side wall 31, second sidewall 32, and described upper cover axle 26 rotational support is on the first side wall 31, second sidewall 32.
Preferably, described the first side wall 31 is provided with the circular hole passed for upper cover axle 26 and for bearing pin 28 through and along the reciprocating orbit hole 311 of its inwall.Described second sidewall 32 is provided with the circular hole 322 that passes for upper cover axle 26 and for bearing pin 28 through and along the reciprocating orbit hole 321 of its inwall.Described upper cover axle 26 is fixedly connected with drive rod 27, can rotate along with the open and close of upper cover 1, and the end of upper cover axle 26 is successively through the circular hole on the first side wall 31 and the second sidewall 32.Described bearing pin 28 is successively through orbit hole 311, the chute 241 on piston arm 24 and the orbit hole 321 on the second sidewall 32 on the first side wall 31, be connected with drive rod 27 between upper cover axle 26 and bearing pin 28, described drive rod 27 is between the first side wall 31 and piston arm 24.Described orbit hole 311 is identical with the length of described drive rod 27 with the arc radius of orbit hole 322, the track that bearing pin 28 can be made like this to pass by is identical with the shape of orbit hole 321 with orbit hole 311, ensures bearing pin 28 reciprocating motion in orbit hole 311 and orbit hole 321.
In the present embodiment, in order to make opening and closing supplementary structure more firm, be also connected with the second linking arm between described upper cover axle 26 and bearing pin 28, described second linking arm is between the second sidewall 32 and piston arm 24.
In the present embodiment, the structure of described chute 241 and the cross section of described bearing pin 28 match.Chute 241 preferred structure two ends are semi arch.
This programme additionally provides a kind of washing machine, it comprises control panel seat and upper cover 1, upper cover 1 is installed on the clothes inlet place of control panel seat, and upper cover 1 is rotatably connected by rotating shaft 26 and control panel seat, and upper cover axle 26 end is connected with the opening and closing supplementary structure 2 be arranged on control panel seat.The control panel seat of washing machine and at least one junction of upper cover 1 are provided with opening and closing supplementary structure 2.When closing upper cover, opening and closing supplementary structure can slow down the closing velocity of upper cover, plays good cushioning effect, avoids producing larger noise, simultaneously can not impaired user finger.When upper cover is opened, described damping unit and spring match by the transmission mechanism torque identical to the direction that described upper cover applies and upper cover is opened, and can play power-assisted effect, save the strength when upper cover is opened.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour and can associate other detailed description of the invention of the present invention and will fall within protection scope of the present invention.

Claims (9)

1. the opening and closing supplementary structure of a washing machine top case, be located between upper cover and control panel rest for washing machine, it is characterized in that, described opening and closing supplementary structure (2) comprises damping unit, the spring (22) coordinated with damping unit and transmission mechanism, described damping unit matches with spring (22) and applies torque by transmission mechanism to described upper cover (1), when upper cover (1) is closed, torque direction is contrary with the direction that upper cover (1) is closed, when upper cover (1) is opened, torque direction is identical with the direction that upper cover (1) is opened.
2. the opening and closing supplementary structure of washing machine top case according to claim 1, is characterized in that,
Described damping unit comprises the plunger shaft (21) of hollow, is provided with resisting medium and piston (23) in described plunger shaft (21); Described spring (22) is arranged in described plunger shaft (21), and the bottom of described spring (22) one end and plunger shaft (21) abuts against, and the other end and piston (23) abut against; Described upper cover (1) has upper cover axle (26), described upper cover axle (26) drives piston (23) reciprocating motion in plunger shaft (21) by described transmission mechanism; Described piston (23) bottom that is upper and/or described plunger shaft (21) is provided with at least one through hole.
3. the opening and closing supplementary structure of washing machine top case according to claim 2, is characterized in that, described piston (23) is provided with at least one check valve.
4. the opening and closing supplementary structure of washing machine top case according to claim 2, is characterized in that,
Described transmission mechanism comprises the piston arm (24) that one end is connected with piston (23), and the upper cover axle (26) of one end and described upper cover be connected and can with the drive rod (27) of described upper cover axle (26) synchronous axial system; Described drive rod (27) other end is provided with bearing pin (28), described piston arm (24) is provided with chute (241), and described bearing pin (28) can slide in described chute (241) with the rotation of drive rod (27).
5. the opening and closing supplementary structure of washing machine top case according to claim 2, is characterized in that,
Described damping unit is air damper; Described resisting medium is air.
6. the opening and closing supplementary structure of washing machine top case according to claim 2, is characterized in that, is provided with at least one spring (22) in described plunger shaft (21).
7. the opening and closing supplementary structure of washing machine top case according to claim 6, is characterized in that, is provided with two springs (22) in described plunger shaft (21).
8. the opening and closing supplementary structure of washing machine top case according to claim 4, is characterized in that, described plunger shaft (21) one end is provided with stroke chamber (3), and described drive rod (27) and described piston arm (24) are located in stroke chamber (3).
9. a washing machine, comprises upper cover and control panel seat, it is characterized in that, described upper cover (1) is connected with control panel seat by the opening and closing supplementary structure (2) described at least one any one of claim 1 to 8.
CN201310728859.XA 2013-12-25 2013-12-25 A kind of the opening and closing supplementary structure and washing machine of washing machine top case Active CN104746316B (en)

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CN104746316B CN104746316B (en) 2018-08-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106637788A (en) * 2016-08-24 2017-05-10 海信(山东)冰箱有限公司 Washing machine
CN108532231A (en) * 2018-05-29 2018-09-14 郑州小蝌蚪文化传播有限公司 A kind of domestic intelligent washing machine with sewage purification function
CN108914501A (en) * 2018-08-02 2018-11-30 青岛海尔洗衣机有限公司 A kind of upper cover cushioning device for closing and washing machine
WO2022055039A1 (en) * 2020-09-09 2022-03-17 서원코리아 주식회사 Motor-type hinge device for door

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4366229B2 (en) * 2004-03-31 2009-11-18 株式会社日立製作所 Electric washing machine
CN101784812A (en) * 2007-08-31 2010-07-21 百乐仕株式会社 Damper device
CN101845740A (en) * 2009-03-27 2010-09-29 株式会社利富高韩国 Hinge device for opening and closing washing machine cover
CN101984180A (en) * 2010-10-29 2011-03-09 海尔集团公司 Top cover device of washing machine and pulsator washing machine
CN202249395U (en) * 2011-09-13 2012-05-30 日升五金制品(深圳)有限公司 Damping hinge device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4366229B2 (en) * 2004-03-31 2009-11-18 株式会社日立製作所 Electric washing machine
CN101784812A (en) * 2007-08-31 2010-07-21 百乐仕株式会社 Damper device
CN101845740A (en) * 2009-03-27 2010-09-29 株式会社利富高韩国 Hinge device for opening and closing washing machine cover
CN101984180A (en) * 2010-10-29 2011-03-09 海尔集团公司 Top cover device of washing machine and pulsator washing machine
CN202249395U (en) * 2011-09-13 2012-05-30 日升五金制品(深圳)有限公司 Damping hinge device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106637788A (en) * 2016-08-24 2017-05-10 海信(山东)冰箱有限公司 Washing machine
CN106637788B (en) * 2016-08-24 2019-03-01 海信(山东)冰箱有限公司 A kind of washing machine
CN108532231A (en) * 2018-05-29 2018-09-14 郑州小蝌蚪文化传播有限公司 A kind of domestic intelligent washing machine with sewage purification function
CN108914501A (en) * 2018-08-02 2018-11-30 青岛海尔洗衣机有限公司 A kind of upper cover cushioning device for closing and washing machine
CN108914501B (en) * 2018-08-02 2023-03-21 青岛海尔洗衣机有限公司 Upper cover closing buffer device and washing machine
WO2022055039A1 (en) * 2020-09-09 2022-03-17 서원코리아 주식회사 Motor-type hinge device for door

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