KR20090038754A - Stopper assembly for sliding hanger door - Google Patents

Stopper assembly for sliding hanger door Download PDF

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Publication number
KR20090038754A
KR20090038754A KR1020070104216A KR20070104216A KR20090038754A KR 20090038754 A KR20090038754 A KR 20090038754A KR 1020070104216 A KR1020070104216 A KR 1020070104216A KR 20070104216 A KR20070104216 A KR 20070104216A KR 20090038754 A KR20090038754 A KR 20090038754A
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KR
South Korea
Prior art keywords
door
roller
stopper assembly
height
coupled
Prior art date
Application number
KR1020070104216A
Other languages
Korean (ko)
Inventor
임완길
Original Assignee
임완길
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 임완길 filed Critical 임완길
Priority to KR1020070104216A priority Critical patent/KR20090038754A/en
Publication of KR20090038754A publication Critical patent/KR20090038754A/en

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops

Abstract

A stopper assembly for a sliding door is provided to reduce impact due to the transition speed of the door by additionally arranging a buffer member in a stopper unit. A stopper assembly for a sliding door comprises a stopper unit(100). The stopper unit comprises: a fixing part(10) coupled in the frame equipped with top and bottom rails; an elastic mounting part(20) connected to the fixing part; an anti-separation part(30) connected to the elastic mounting part; and a resistive part(40) connected to the anti-separation part. The height of the elastic mounting part corresponds to the external diameter of the roller combined in the upper part of the door in the wheel tread of the upper rail. The height of the anti-separation part is lower than the external diameter of the roller combined in the upper part of the door in the wheel tread of the upper rail. The height of the stopper unit is lower than the external diameter of the roller combined on the top of the door in the wheel tread of the upper rail. A buffer member(60) is additionally arranged between the fixing part and the elastic mounting part.

Description

Stopper assembly for sliding doors {STOPPER ASSEMBLY FOR SLIDING HANGER DOOR}

The present invention relates to a stopper assembly provided on the upper and lower rails of the sliding door, in particular, installed on the upper portion of the sliding type farms, built-in cabinets, etc. to limit the movement of the door and further arranged to reduce the impact due to the moving speed The present invention relates to a stopper assembly for a sliding door, which can prevent damage to the door and extend the life of the product, and the installation is simple and there is no possibility of defects.

As is well known, sliding doors, which are used in Jangong, built-in cabinets, school classroom doors, etc., are used to open and close to the other side by applying force from one side, and install rails on the top and bottom, respectively. After installing the rails on either side, the rollers guided along the rails are fixed to the doors so that the doors slide and open along the rails.

The sliding door is generally provided with an opening on the inside and the outside of the door and the door is formed on the wall is installed, the guide rail is formed on the upper and lower portions of the opening and the roller guided along the guide rail It is fixed to the inner and outer doors and the door is coupled to the frame to be used.

However, in the conventional sliding door as described above, the door could be easily damaged by an impact generated when the door is opened and closed by applying force from one side, and the user's hand is caught between the door and the door by the speed at which the door is opened. Or there was a problem that the accident is caught between the door and the frame.

In order to solve the above problems, it is provided with a stopper or a locking member that catches the roller at a certain position to limit the movement of the roller fixed to the door to reduce the occurrence of safety accidents and prevent damage to the product.

Such a prior art is a patent registration No. 10-756912 (announcement date 07/07/2007) No. "Sliding door stopper device" (hereinafter referred to as prior art 1), in the prior art 1 ... .. In the sliding door, the door frame (1) corresponding to the line on which the roller structure (4) moves, the door (1) is in contact with the roller structure (4) before contacting the door frame (1) The stopper device for reducing the moving speed of 2) is coupled, the stopper device, the main body 10 is formed with a coupling portion 11 is fixedly coupled to the door frame 1 on one side; , Stopper device for a sliding door, characterized in that it comprises a shock absorbing unit 20 coupled to the roller structure 4 and one end contacted so that the roller structure 4 is decelerated and moved. "

The shock absorbing unit is composed of a fluid-filled housing and a contact member drawn into and out of the housing, and the roller structure contacts the contact member and retracts into the housing. It is to slow down, and further comprising a support means formed with a locking portion to prevent the position of the roller structure arriving at a predetermined position to prevent the departure.

However, in the related art 1, a shock absorbing member composed of a housing and a contact member must be provided separately from the main body, and then coupled to the main body, and the fluid filled in the housing leaks due to repeated external shocks, and serves as a shock absorbing member. There was a problem in that it was impossible to eventually replace all of the cushioning members.

In addition, in order to engage the roller structure to the engaging portion there was a problem that must be formed separately the locking jaw.

In addition, Utility Model Registration No. 20-0406154 (published date: January 20, 2006) describes an apparatus for stopping sliding doors and shutters with shock absorbing and stabilization (hereinafter referred to as Prior Art 2). With a support base unit made of cams or projections, having two opposite aligned arms, protruding from the carriage facing the front side and held in tension by one or more springs at the free end points; And a support for stopping the sliding door and shutter together with shock absorption and stabilization, characterized in that the support base unit is integrated with an elastic shock absorbing means partially protruding from the support base unit as a carrying object facing the front side. . "Was suggested,

One or more springs are used to absorb shocks by cams or protrusions maintained in tension, but the shocks are absorbed only by the elasticity of the springs. There was a problem that must be, and many components and complex combinations had a problem that can not be easily installed and dismantled unless a skilled worker.

The present invention aims to solve the above problems, and an object of the present invention is to provide a stopper assembly for a sliding hanger door that is simple in construction and can absorb shock while decelerating a roller.

In addition, an object of the present invention is to provide a stopper assembly for a sliding hanger door that can prevent the moved roller from being displaced by recoil, thereby reducing the occurrence of a safety accident.

Furthermore, an object of the present invention is to provide a stopper assembly for a sliding hanger door that can further prevent the door from leaving the guide rail by further forming a bracket to prevent the roller from leaving the guide rail.

In order to achieve the above object, the present invention, the fixing portion coupled to the frame provided with the upper and lower rails for the door, is connected to the fixing portion, the height of the upper surface of the upper rail (답 面) on the upper portion of the door An elastic seating portion corresponding to the outer diameter of the combined roller, connected to the elastic seating portion, the separation prevention portion is less than the outer diameter of the roller coupled to the upper portion of the upper rail height of the upper rail, the separation It is connected to the prevention portion, the height of the upper surface of the upper rail (踏 面); stop means consisting of a resistance portion smaller than the outer diameter of the roller coupled to the upper portion of the door;

In addition, the stop means is characterized in that the friction member is further coupled to the inside into which the roller enters.

Further, the friction member is fitted to the stop means, it characterized in that the bent portion formed.

In addition, the end of the resistance portion is characterized in that the roller entry guide portion which is narrowed toward the end and rises upward.

In addition, a buffer member is further arranged between the fixing part and the elastic seating part.

Furthermore, a downward inclined portion is further formed between the fixing portion and the elastic seating portion for the buffer member.

In addition, the elastic seating portion is characterized in that the bracket is formed on the outside to prevent the separation of the upper roller.

The stopper assembly for a sliding hanger door according to the present invention is easy to install and dismantle because of its simple components and there is no change in shape even for a long time, so that a constant stop effect can be obtained.

In addition, the components are simple to reduce manufacturing costs, and the doors bounce off by slowing down the speed of entering rollers, absorbing shocks, and preventing the rollers arriving at a certain position from being discharged again, even if no additional members are combined. It is possible to reduce the safety accidents caused by the safety is excellent effect.

Hereinafter, a preferred embodiment of the stopper assembly for a sliding hanger door according to the present invention will be described with reference to the accompanying drawings.

In describing the stopper assembly for a sliding hanger door according to the present invention, referring to FIG.

On the basis of the state in which the storage space is formed on the wall and the frame is coupled to the outer peripheral surface of the storage space and the door is coupled to the frame,

The side where the user adjusts the door is called front or front,

The side of the wall where the storage space is formed inside is called rear or rear,

The left side of the outer door located at the front with both the inner and outer doors closed is called left.

The inner door located at the rear is called the right side,

The upper part and the lower part are called upper part with respect to the front side,

The bottom is called the bottom.

As illustrated in FIGS. 1 to 3, the inner side door Da and the outer door Db are positioned at the left and right sides of the sliding hanger door D, and the inner and outer doors Da and Db are wall surfaces W. FIG. It is coupled with the frame 1 fixed to the opening Wa formed in advance.

At this time, the guide rail (2) may be formed on the frame (1) at the top or bottom or both, and the roller (R) inserted into the guide rail (2) is guided by the inner and outer door (Da) ( Db).

When the guide rails 2 are formed at both the upper and lower portions, the roller R is also formed at the upper and lower portions, respectively, but when the guide rails 2 are formed only at the upper portions, the inner and outer doors Da and Db are formed. The roller (R) is formed in the upper portion, but the sliding member (3) for sliding the door may be formed in the lower portion, wherein the sliding member is made of acetal resin (acetal 樹 않으면) does not affect the movement of the door It can withstand the pressure exerted on the upper part and can serve as a support while the door is stopped.

The acetal resin is prepared by cationic or anionic polymerization of formaldehyde, which is excellent in electrical heat transfer, mechanical properties, abrasion resistance, chemical resistance, heat resistance, and has a low coefficient of friction, such as engineering blades, bearings, and various springs. As it is widely used, it can be made of various other synthetic resins.

The stop means 100 fixed to the frame 1 is first fixed part 10 fixed to the frame 1 and the elastic seating portion 20 and the elastic seating portion 20 connected to the fixing portion 10 ) Is composed of a separation prevention part 30 and a resistance part 40 connected to the separation prevention part 30,

The fixing part 10 has a coupling hole 11 for coupling to the frame 1 is fixed to the frame 1 and the coupling bolt 13, the elastic seating portion 20 is the roller R entered ) Is formed in an arc shape to correspond to the shape of the roller (R) to the place where the height (H3) from the inner surface 21 to the step surface of the guide rail (2) of the frame (1) ) Is formed corresponding to the outer diameter RC of the roller R coupled to the door.

In addition, the stop means 100 is made of a friction member 200 is further coupled to the inside into which the roller (R) enters, the friction member 70 is fitted to the stop means 100 and bent at the end The portion 72 is formed.

The stop means 100 is formed with a through-hole 110 for the friction member 70 and the friction member 70 is formed with a projection 71 having a diameter larger than the diameter of the through-hole 110 is combined when The projection 71 is pressed and fitted to press the through hole 110 while passing back through the through hole 110 to prevent the friction member 70 from being separated from the stop means 100. .

In addition, a bent portion 72 is formed at the end of the friction member 70 to be in close contact with the entry guide portion 41 formed in the resistance portion 40 of the stop means 100.

The entry guide portion 41 is formed at the end of the resistance portion 40 and is narrowed toward the end portion and is formed in a shape rising upwardly so that the roller R entering can smoothly proceed to the inside of the stop means 100. do.

An end portion of the friction member 70 is also formed in the same shape as the entry guide portion 41. The end of the friction member 70 is bent at the bent portion 72 and then close to the entry guide portion 41. The bent portion 72 is formed by further forming a bent groove 73 on the inner side in order to prevent a phenomenon in which the friction member 70 protrudes to both sides at the folded portion when the friction member 70 is bent.

The bending groove 73 prevents the friction member 70 from protruding to both sides, thereby preventing vibration and noise generated by the door and the friction member 70 coming into contact with each other, and further reducing wear of the friction member 70. It is.

The height (H3) of the elastic seating portion 20 is made of a size and shape corresponding to the outer diameter (RC) of the roller (R) moved along the guide rail (2) to enter the roller (R) described later The speed is reduced by the government unit 10 or the buffer member 60 to stand by in the elastic seating unit 20 for the next operation in the stopped state.

The separation prevention part 30 connected to the elastic seating part 20 is formed such that the height H2 of the guide surface of the guide rail is smaller than the outer diameter RC of the roller R coupled to the door. When R) is initially entered, it passes while pushing the departure prevention part 30 upward by the entry speed and the angle of formation of the departure prevention part 30, but the passed roller R passes through the fixing part 10 or later. The height H2 at the step surface of the guide rail 2 is formed to be smaller than the outer diameter RC of the roller R as it prevents it from being bounced out by recoil after hitting the shock absorbing member 60. It is to block the roller (R).

That is, when the roller R enters, the roller R pushes the departure preventing part 30 upward by the entry speed and the forming angle of the departure preventing part 30, but the roller R entered After hitting the fixing part 10 or the buffer member 60, the speed is decelerated, and then the lifting prevention part 30 cannot be pushed upward, but hit the release preventing part 30 and then back toward the elastic seating part 20. It will be pushed away.

At this time, the speed and force of the reduced roller (R) can not escape the departure prevention part 30, but the user to grip the door (D) by pulling or pushing the separation prevention part 30 to the top. It is pushing out.

The resistance part 40 connected to the release preventing part 30 is in contact with the roller R entered to reduce the speed of the roller R. For this purpose, the height H1 at the answer surface of the guide rail 2 is shown. Is formed smaller than the outer diameter (RC) of the roller (R) coupled to the door is to reduce the speed of the roller (R) by the frictional force that the roller (R) entering and the resistance portion 40 in close contact .

At this time, in order to further increase the deceleration effect, the resistance part 40 is formed to be inclined downward from the end portion to the departure preventing part 30. The roller R enters and pushes the resistance part 40 abutted upwards and is separated. As it progresses toward the prevention portion 30, the roller R requires a lot of force in order to push up the resistance portion 40. For this purpose, the entry force of the roller R is gradually consumed, so that the speed of the roller R is eventually reduced. Will slow down.

Furthermore, the roller entry guide portion 41 is formed at the end of the resistance portion 40 so as to rise to the top to allow the roller R to enter stably and smoothly.

As shown in FIG. 4, the outer diameter RC of the roller R described above is a distance from a portion where the roller R abuts the answer surface of the guide rail to a portion where the roller R abuts the inner surface of the stopper.

The outer diameter RC of the roller R described above may be formed in various sizes according to the shape and size of the roller. In the answering surface of the outer diameter RC of each of the various rollers and the guide rail of the resistance portion 40 The height H1, the height H2 of the guide surface of the guide rail of the departure prevention part 30, the height of the height H3 of the resilient seating portion 20 is configured to satisfy the following conditions.

Height (H1) of the guide surface of the guide rail of the resistance portion 40 <outer diameter (RC) of the roller

Height (H2) of the guide surface of the guide rail of the separation prevention part 30 <outer diameter (RC) of the roller

Height (H3) at the tread face of the elastic seating part 20 외 Outer diameter (RC) of the roller

At this time, the height of each component is

It is configured to satisfy the condition of (H1)> (H2) <(H3).

Referring to each component of the stop means 100 in the order in which the roller (R) enters, first, the roller (R) is stably and smoothly entered along the entry guide portion 41 and then the resistance portion (40) and After the speed is gradually reduced and the resistance 40 is passed while pushing the release prevention part 30 upwards and enters the bump 10 and the shock absorbing member 60, the speed is reduced again and then hit When bounced out by recoil, it is hit by the separation prevention part 30 and pushed out to the fixing part 10 again, and the roller R, which has disappeared the entry force, is waiting for the next operation in the elastic seating part 20.

A buffer member 60 is further arranged between the fixing part 10 and the elastic seating part 20. The roller R passing through the release preventing part 30 hits the buffer member 60 to absorb the entry force. It is.

The shock absorbing member 60 forms a semi-circular portion 61 on the side in contact with the roller R to surround the roller R entering at the same time as the elastic seating portion 20 to stably reduce the roller R and It can be stored.

In addition, a downward inclined portion 50 is further formed between the fixing portion 10 and the elastic seating portion 20 in order to prevent the buffer member 60 from being dislocated by the impact of the impact on the roller R. have.

That is, the shock absorbing member 60 may be combined with the fixing part 10 in various forms. When the coupling force is loosened by the impact generated by repeatedly hitting the roller R after being coupled by the coupling bolt or the adhesive. The buffer member 60 is supported by the downward inclined portion 50 to prevent the position from being separated.

In addition, as illustrated in FIG. 5, the elastic seating part 20 further includes a bracket 22 for preventing the roller R from being moved forward or backward. When the impact force is large after the impact with the shock absorbing member 60 by the entry force is to prevent the roller (R) can be separated from the front or rear or both in accordance with the shape of the guide rail (2).

That is, the roller (R) having a repulsive force after hitting the buffer member 60 is to be placed in the elastic seating portion 20 while the front and rear are blocked by the bracket (22).

Looking at the operating state of the present invention configured as described above are as follows.

As shown in FIG. 6, the first roller R enters while pushing up the resistance part 40 by the entrance force. The resistance part 40 moves the elastic seating part 20 to the center of the lever. Since the roller has elasticity to return to the lower side by the elasticity by the axis and thereby causes friction with the roller R, the roller R is decelerated, and the roller R passing through the resistance part 40 is After the release prevention part 30 is pushed up to enter the bumping member 60 coupled to the fixing part 10 is bounced out again as the entry force is removed.

At this time, the roller R proceeds toward the release preventing part 30 due to the reaction force generated by the reaction, and the repulsive force, which is significantly weaker than the entry force, does not push the release preventing part 30 upward and is blocked. Proceeds to (60) and several repetitions are made according to the strength of the reaction force is eventually placed in the elastic seating portion (20).

In order to prevent the roller R from escaping forward or backward by the force of the reaction force, the bracket 22 is formed on the elastic seating portion 20 which is a section moving by the reaction force to prevent the roller R from escaping forward or backward. R) is to prevent departure.

While specific embodiments of the stopper assembly for a sliding hanger door according to the present invention have been described above with reference to the drawings, the present invention is not limited to these descriptions, and various modifications are made by those skilled in the art within the scope of the appended claims. Modifications and variations are possible, and such modifications and variations should also be construed as falling within the protection scope of the present invention.

1 is a schematic front view with a sliding door installed.

Figure 2a is a perspective view of the stop means according to the invention.

Figure 2b is a perspective view of the combination of the stopper assembly according to the present invention.

Figure 3 is a cross-sectional view of the stopper assembly according to the present invention.

4 is a schematic view showing a roller coupled to a door;

Figure 5 is a perspective view of the use state of the stopper assembly is further provided with a bracket.

6 is an operational state diagram of the stopper assembly according to the present invention.

<Description of Major Symbols in Drawing>

W: Wall Wa: Opening D: Door Da: Inner Door

Db: Outer door R: Roller RC: Roller outer diameter 1: Frame

2: guide rail 3: sliding member 100: stop means

10: fixing portion 11: coupling hole 13: coupling bolt

20: elastic seating portion 21: inner surface 22: bracket 23: head bolt

110: through hole H3: height of the elastic seat

30: departure prevention part H2: separation prevention part height

40: resistance part 41: induction part H1: resistance part height

50: downward slope 60: buffer member

Claims (7)

Fixed part coupled to the frame provided with the upper and lower rails for the door, An elastic seating part connected to the fixing part and having a height at a step surface of the upper rail corresponding to an outer diameter of a roller coupled to an upper part of the door, A separation prevention part connected to the elastic seating part, the height of which is lower than an outer diameter of a roller coupled to an upper part of the door, at a height of the upper surface of the upper rail; A stop means connected to the release preventing part and formed of a resistance part having a height at a step surface of the upper rail smaller than an outer diameter of a roller coupled to an upper part of the door; Stopper assembly for a sliding hanger door comprising a. The method of claim 1, The stopper assembly for the sliding hanger door, characterized in that the stop means is further coupled to the friction member inside the roller entry. The method of claim 2, The friction member is fitted to the stop means, the end of the stopper assembly for a sliding hanger door, characterized in that the bent portion is formed. The method of claim 1, The stopper assembly for the sliding hanger door, characterized in that the end portion of the resistance portion is further narrowed toward the end and the roller entry guide portion which rises upward. The method of claim 1, The stopper assembly for a sliding hanger door, characterized in that the buffer member is further arranged between the fixing portion and the elastic seating portion. The method of claim 5, wherein The stopper assembly for a sliding hanger door, characterized in that the downward inclined portion is further formed between the fixing portion and the elastic seating portion for the buffer member. The method according to any one of claims 1 to 6, The elastic seating portion has a stopper assembly for a sliding hanger door, characterized in that the bracket is formed on the outside to prevent the separation of the upper roller.
KR1020070104216A 2007-10-16 2007-10-16 Stopper assembly for sliding hanger door KR20090038754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070104216A KR20090038754A (en) 2007-10-16 2007-10-16 Stopper assembly for sliding hanger door

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Application Number Priority Date Filing Date Title
KR1020070104216A KR20090038754A (en) 2007-10-16 2007-10-16 Stopper assembly for sliding hanger door

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581535A2 (en) 2011-10-13 2013-04-17 Rollmech Automotive Sanayi Ve Ticaret Anonim Sirketi Improved stop mechanism for sliding doors
KR200468518Y1 (en) * 2012-02-22 2013-08-19 (주)메탈프린스 door damper device
KR101718484B1 (en) 2016-05-18 2017-03-21 주식회사 진영엘디엠 Sliding Door Stopper
KR20190048974A (en) 2017-10-31 2019-05-09 비엠리빙코리아(주) Stopper for sliding doors
KR101992187B1 (en) 2017-12-26 2019-06-24 유광식 An apparatus for stopping sliding door
JP2020037827A (en) * 2018-09-05 2020-03-12 トヨタ車体株式会社 Vehicle slide door structure
CN113588976A (en) * 2021-07-30 2021-11-02 重庆中元汇吉生物技术有限公司 Closed sample bin moving device and sample analyzer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581535A2 (en) 2011-10-13 2013-04-17 Rollmech Automotive Sanayi Ve Ticaret Anonim Sirketi Improved stop mechanism for sliding doors
KR200468518Y1 (en) * 2012-02-22 2013-08-19 (주)메탈프린스 door damper device
KR101718484B1 (en) 2016-05-18 2017-03-21 주식회사 진영엘디엠 Sliding Door Stopper
KR20190048974A (en) 2017-10-31 2019-05-09 비엠리빙코리아(주) Stopper for sliding doors
KR101992187B1 (en) 2017-12-26 2019-06-24 유광식 An apparatus for stopping sliding door
JP2020037827A (en) * 2018-09-05 2020-03-12 トヨタ車体株式会社 Vehicle slide door structure
CN113588976A (en) * 2021-07-30 2021-11-02 重庆中元汇吉生物技术有限公司 Closed sample bin moving device and sample analyzer

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