CN109965763A - A kind of torque booster and closet for closet cover board - Google Patents
A kind of torque booster and closet for closet cover board Download PDFInfo
- Publication number
- CN109965763A CN109965763A CN201910305051.8A CN201910305051A CN109965763A CN 109965763 A CN109965763 A CN 109965763A CN 201910305051 A CN201910305051 A CN 201910305051A CN 109965763 A CN109965763 A CN 109965763A
- Authority
- CN
- China
- Prior art keywords
- rotating assembly
- rolling member
- cover board
- housing unit
- closet
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 86
- 239000010687 lubricating oil Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/10—Devices for raising and lowering, e.g. tilting or lifting mechanisms; Collapsible or rotating seats or covers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a kind of torque boosters and closet for closet cover board, including housing unit and rotating assembly, and the rotating assembly and the housing unit relatively rotate and cooperate；The rotating assembly is equipped with elastic component, one end of the elastic component is matched with the rotating assembly, the other end of the elastic component is matched with the housing unit, the rotating assembly makes the elastic component flexible deformation when rotating forward, and the rotating assembly elastic component elastic reset and provides power-assisted to the reversion of the rotating assembly when inverting；And, rolling member is equipped between the rotating assembly and the housing unit, rotating assembly and housing unit drive rolling member to roll during relatively rotating, so that rolling cooperation when relatively rotating between rotating assembly and housing unit, reduce frictional force, it is not only simple in structure compact, and makes closet cover board switching process more stable and reliable.
Description
Technical field
The present invention relates to a kind of torque boosters and closet for closet cover board.
Background technique
Existing closet cover board have it is some have automatic cover-turning function, be typically provided with gear-box, the motor in gear-box
Shaft rotation is driven, shaft drives closet cover board to be overturn in turn, however when closet cover board is heavier, it is too big very due to loading
It is easy to cause gear-box to damage because of overload.Therefore, in the prior art, the closet cover board of some automatic cover-turnings turns round equipped with power-assisted
Spring mechanism, power-assisted torsion spring mechanism can apply torsion to assist to dig cover board, to keep away to shaft during digging cover board
The problem of exempting from gear-box load excessive.But existing power-assisted torsion spring mechanism structure is more complex, not compact enough, closet cover board turns over
It is more unstable to turn over journey.
Summary of the invention
The present invention not only ties to solve the above problems, provide a kind of torque booster and closet for closet cover board
Structure is simple and compact, and makes closet cover board switching process more stable and reliable.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of torque booster for closet cover board, including housing unit (10) and rotating assembly (20), and it is described
Rotating assembly (20) and the housing unit (10), which relatively rotate, to be cooperated；The rotating assembly (20) is equipped with elastic component (23), institute
The one end for stating elastic component (23) is matched with the rotating assembly (20), the other end of the elastic component (23) and the shell group
Part (10) matches, and the rotating assembly (20) makes the elastic component (23) flexible deformation, the rotating assembly when rotating forward
(20) when inverting elastic component (23) elastic reset and power-assisted is provided to the reversion of the rotating assembly (20)；Also, it is described
Rolling member (30) are equipped between rotating assembly (20) and the housing unit (10), the rotating assembly (20) and the shell group
Part (10) drives the rolling member (30) to roll during relatively rotating.
Preferably, the housing unit (10) has hollow inner cavity (11), a part of position of the rotating assembly (20)
In the inner cavity (11), another part stretches out the inner cavity (11), and the elastic component (23) and the rolling member (30) are set to
In the inner cavity (11).
Preferably, lubricating oil is filled in the inner cavity (11), the elastic component (23) is in contact with the lubricating oil, institute
It states and is matched when rolling member (30) roll by the lubricating oil and the housing unit (10) and/or the rotating assembly (20) lubrication
It closes.
Preferably, the housing unit (10) includes sleeve (12), first end (13), the second end (14), and described
The both ends that one end (13) and the second end (14) sealing are matched with the sleeve (12) form the inner cavity (11)；It is described
Rolling member (30) include the first rolling member and the second rolling member, first rolling member be set to the rotating assembly (20) with it is described
Between first end (13), second rolling member is set between the rotating assembly (20) and the second end (14).
Preferably, the part that the rotating assembly (20) is located at the inner cavity (11) has first projected radially outward convex
Edge (21) and the second flange (22) are equipped with described first and roll between first flange (21) and the first end (13)
Part is equipped with second rolling member between second flange (22) and the second end (14)；The rotating assembly (20)
The inner cavity (11) is stretched out via the through-hole that the first end (13) or the second end (14) are equipped with.
Preferably, first rolling member is several balls, and the first end (13) is solid equipped with the first rolling member
Fixed board (131), first rolling member roll the location hole being installed on the first rolling member fixed plate (131), and described the
Circumferentially limit cooperates or is mutually fixedly connected one rolling member fixed plate (131) with the first end (13)；And/or described
Two rolling members are several balls, and the second end (14) is equipped with the second rolling member fixed plate (141), and described second rolls
Part rolls the location hole being installed on the second rolling member fixed plate (141), the second rolling member fixed plate (141) and institute
Stating the second end (14), circumferentially limit cooperates or is mutually fixedly connected.
Preferably, the elastic component (23) uses torsional spring, and the torsional spring is set in being located on the rotating assembly (20)
Part between first flange (21) and the second flange (22).
Preferably, first flange (21) and the second flange (22) at least alternative one and the rotating assembly (20) can
Dismantling connection.
Preferably, the both ends in the axial direction of the sleeve (12) have the first opening and the communicated with the inner cavity (11)
Two openings, the first end (13) separably cover the first opening connect in the sleeve (12), the second end
(14) separably lid connects the second opening in the sleeve (12).
Preferably, it is additionally provided between the housing unit (10) and the rotating assembly (20) for limiting rotational angle
Position-limit mechanism；The position-limit mechanism includes the limited block (123) and limiting slot (24) of mutual limit cooperation, the limited block
(123) alternative one of the inner wall of the housing unit (10) and the outer wall of the rotating assembly (20), the limiting slot are set to
(24) it is set to the another of the two of the inner wall of the housing unit (10) and the outer wall of the rotating assembly (20).
Preferably, when closet cover board is overturn to closing direction, the relatively described housing unit (10) of the rotating assembly (20)
It rotates forward and makes the elastic component (23) flexible deformation；When closet cover board is overturn to opening direction, rotating assembly (20) phase
The housing unit (10) are inverted, the elastic component (23) applies the closet cover board toward opening direction by elastic reset
Power-assisted.
In addition, the present invention also provides a kind of closet, including closet cover board, the closet cover board are equipped with any of the above-described institute
The torque booster stated.
Further, further include automatically controlled driver for controlling closet cover board opening and closing, the automatically controlled driver and
The torque booster is independently arranged, and the torque booster applies active force toward opening direction to the closet cover board.
The beneficial effects of the present invention are:
(1), the present invention provides power-assisted to the rotation of rotating assembly by elastic component, by the rotating assembly with it is described
Rolling member is set between housing unit, so that rolling cooperation when relatively rotating between rotating assembly and housing unit, is reduced
Frictional force, is not only simple in structure compact, and makes closet cover board switching process more stable and reliable；
(2), elastic component of the invention and rolling member are all set in the housing cavity filled with lubricating oil, rotating assembly with
In housing unit relative rotational motion, the rolling member is matched under the action of lubricating oil with housing unit and rotating assembly lubrication
It closes, rotation is more smooth, and the elastic component is in contact with the lubricating oil, can reduce frictional force, reduces noise, and improve elasticity
The service life of part；
(3), rolling member of the invention includes the first rolling member and the second rolling member, and first rolling member is set to described turn
Between shaft assembly and the first end, second rolling member is set between the rotating assembly and the second end, is made
It is more stable to obtain rotation process；
(4), rolling member of the invention is arranged between the first flange of rotating assembly and the first end of housing unit, and
Between second flange of rotating assembly and the second end of housing unit, to realize the rolling cooperation of end face, structure is more reliable；
(5), the limiting slot and limit for limiting rotational angle are additionally provided between housing unit and rotating assembly of the invention
Position block is cooperated by the limit of the two, so that closet cover board can limit when opening uses angular range in demand, use is more square
Just.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is schematic perspective view of the present invention for the torque booster of closet cover board；
Fig. 2 is decomposition texture schematic diagram of the present invention for the torque booster of closet cover board；
Fig. 3 is side structure schematic diagram of the present invention for the torque booster of closet cover board；
Fig. 4 is the A-A sectional structure chart of Fig. 3；
Fig. 5 is the B-B sectional structure chart of Fig. 3；
Fig. 6 is ball installation diagram of the present invention for the first end of the torque booster of closet cover board；
Fig. 7 is ball installation diagram of the present invention for the second end of the torque booster of closet cover board；
In figure:
10- housing unit；
The inner cavity 11-；
12- sleeve；123- limited block；
13- first end (sealing cover)；131- the first rolling member fixed plate；
14- the second end (fixed plate)；141- the second rolling member fixed plate；
20- rotating assembly；The first flange of 21- (separable with shaft)；211- gasket；The second flange of 22- is (solid with shaft
It is fixed)；221- sealing ring；23- elastic component (torsional spring)；24- limiting slot；
30- rolling member (ball).
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As depicted in figs. 1 and 2, a kind of torque booster for closet cover board of the invention, including 10 He of housing unit
Rotating assembly 20, and the rotating assembly 20 and the housing unit 10 relatively rotate and cooperate；The rotating assembly 20 is equipped with
Elastic component 23, one end of the elastic component 23 are matched with the rotating assembly 20, the other end of the elastic component 23 with it is described
Housing unit 10 matches, and the rotating assembly 20 makes 23 flexible deformation of elastic component, the rotating assembly 20 when rotating forward
When reversion 23 elastic reset of elastic component and to the reversion of the rotating assembly 20 provide power-assisted；Also, the rotating assembly
Rolling member 30, the mistake that the rotating assembly 20 is relatively rotated with the housing unit 10 are equipped between 20 and the housing unit 10
The rolling member 30 is driven to roll in journey.
As shown in Figure 2 and Figure 5, the housing unit 10 includes sleeve 12, first end 13, the second end 14, the shell
The sleeve 12 of body component 10 has hollow inner cavity 11, and the both ends in the axial direction of the sleeve 12 have to be communicated with the inner cavity 11
The first opening and the second opening, the first end 13 separably covers the first opening connect in the sleeve 12, described
The second end 14 separably covers the second opening connect in the sleeve 12.
Wherein, a part of the rotating assembly 20 is located in the inner cavity 11, and another part stretches out the inner cavity 11.Tool
Body, the part that the rotating assembly 20 is located at the inner cavity 11 has the first flange 21 and the second flange projected radially outward
22, the rolling member 30 includes the first rolling member and the second rolling member, between first flange 21 and the first end 13
Equipped with first rolling member, first flange 21 is rolled by first rolling member and the first end 13 to be cooperated,
Second rolling member is equipped between second flange 22 and the second end 14, second flange 22 passes through described the
Two rolling members and the second end 14, which roll, to be cooperated；The rotating assembly 20 is via the first end 13 or the second end
The through-hole that portion 14 is equipped with stretches out the inner cavity 11.In the present embodiment, the end and described the of the first opening of the sleeve 12
Gasket 211 is additionally provided between one end 13, the end of the second opening of the sleeve 12 is additionally provided with the second end 14
Sealing ring 221, thus by seal oil in the inner cavity 11.
In the present embodiment, the elastic component 23 and the rolling member 30 are set in the inner cavity 11, and in the inner cavity 11
Filled with lubricating oil, the elastic component 23 is in contact with the lubricating oil, passes through the lubricating oil and institute when rolling member 30 rolls
State housing unit 10 and/or the lubrication cooperation of the rotating assembly 20.The first end 13 and the sealing of the second end 14 are matched
The inner cavity 11 is formed together in the both ends of the sleeve 12.
Preferably, the elastic component 23 uses torsional spring, the torsional spring be set on the rotating assembly 20 be located at it is described
Part between first flange 21 and the second flange 22.First flange 21 and the second flange 22 at least alternative one with it is described
Rotating assembly 20 is detachably connected.
Specifically, as shown in Figure 6 and Figure 7, first rolling member is several balls, the first end 13 is equipped with
First rolling member fixed plate 131, first rolling member roll the positioning being installed in the first rolling member fixed plate 131
Hole, the first rolling member fixed plate 131 are fixedly connected with the circumferential limit cooperation of the first end 13 or mutually.And/or institute
Stating the second rolling member is several balls, and the second end 14 is equipped with the second rolling member fixed plate 141, and described second rolls
Part rolls the location hole that is installed in the second rolling member fixed plate 141, the second rolling member fixed plate 141 and described the
The circumferential limit cooperation in two end 14 is mutually fixedly connected.Certainly, rolling member also can choose as roller structure, the first rolling member
It is idler wheel with the second rolling member；Alternatively, the first rolling member is ball, the second rolling member is idler wheel；Alternatively, the first rolling member is
Idler wheel, the second rolling member are ball.
In the present embodiment, the first end 13 use sealing cover, the second end 14 use fixed plate, fixed plate with
Lockhole of the sealing cover by screw or other modes respectively with the both ends of the sleeve 12 carries out locking connection, also, described
Between first rolling member fixed plate 131 and the first end 13 (sealing cover), the second rolling member fixed plate 141 with it is described
The second end 14 (fixed plate) can be attached to limit ball by welding, clamping or other connection types.
As shown in Figure 3 and Figure 4, it is additionally provided between the housing unit 10 and the rotating assembly 20 for limiting angle of rotation
The position-limit mechanism of degree；The position-limit mechanism includes the limited block 123 and limiting slot 24 of mutual limit cooperation, the limited block 123
Set on the alternative one of the outer wall of the inner wall and rotating assembly 20 of the housing unit 10, the limiting slot 24 is set to described
The two of the outer wall of the inner wall of housing unit 10 and the rotating assembly 20 it is another.
In the present embodiment, when closet cover board is overturn to closing direction, the relatively described housing unit 10 of the rotating assembly 20
It rotates forward and makes 23 flexible deformation of elastic component；When closet cover board is overturn to opening direction, the opposite institute of the rotating assembly 20
The reversion of housing unit 10 is stated, the elastic component 23 applies power-assisted toward opening direction to the closet cover board by elastic reset.
In addition, the present invention also provides a kind of closet, including closet cover board, the closet cover board are equipped with any of the above-described institute
The torque booster stated.It further include the automatically controlled driver for controlling the closet cover board opening and closing in the present embodiment, it is described automatically controlled
Driver and the torque booster are independently arranged, and the torque booster acts on the closet cover board toward opening direction application
Power.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (13)
1. a kind of torque booster for closet cover board, including housing unit (10) and rotating assembly (20), and described turn
Shaft assembly (20) and the housing unit (10), which relatively rotate, to be cooperated；It is characterized in that, the rotating assembly (20) is equipped with elasticity
One end of part (23), the elastic component (23) is matched with the rotating assembly (20), the other end of the elastic component (23) with
The housing unit (10) matches, and the rotating assembly (20) makes the elastic component (23) flexible deformation when rotating forward, described
When rotating assembly (20) inverts elastic component (23) elastic reset and power-assisted is provided to the reversion of the rotating assembly (20)；And
And rolling member (30), the rotating assembly (20) and institute are equipped between the rotating assembly (20) and the housing unit (10)
Stating during housing unit (10) relatively rotate drives the rolling member (30) to roll.
2. a kind of torque booster for closet cover board according to claim 1, it is characterised in that: the housing unit
(10) there is hollow inner cavity (11), a part of the rotating assembly (20) is located in the inner cavity (11), and another part is stretched
The inner cavity (11) out, the elastic component (23) and the rolling member (30) are set in the inner cavity (11).
3. a kind of torque booster for closet cover board according to claim 2, it is characterised in that: the inner cavity (11)
In be filled with lubricating oil, the elastic component (23) is in contact with the lubricating oil, pass through when the rolling member (30) rolls described in
Lubricating oil and the housing unit (10) and/or the rotating assembly (20) lubrication cooperate.
4. a kind of torque booster for closet cover board according to claim 2, it is characterised in that: the housing unit
It (10) include sleeve (12), first end (13), the second end (14), the first end (13) and the second end (14)
The both ends that sealing is matched with the sleeve (12) form the inner cavity (11)；The rolling member (30) includes the first rolling member and the
Two rolling members, first rolling member are set between the rotating assembly (20) and the first end (13), second rolling
Moving part is set between the rotating assembly (20) and the second end (14).
5. a kind of torque booster for closet cover board according to claim 4, it is characterised in that: the rotating assembly
(20) part positioned at the inner cavity (11) has the first flange (21) and the second flange (22) that project radially outward, and described the
First rolling member, second flange (22) and described second are equipped between one flange (21) and the first end (13)
Second rolling member is equipped between end (14)；The rotating assembly (20) is via the first end (13) or described second
The through-hole that end (14) is equipped with stretches out the inner cavity (11).
6. a kind of torque booster for closet cover board according to claim 4, it is characterised in that: described first rolls
Part is several balls, and the first end (13) is equipped with the first rolling member fixed plate (131), and first rolling member rolls
The location hole being installed on the first rolling member fixed plate (131), the first rolling member fixed plate (131) and described first
Circumferentially limit cooperates or is mutually fixedly connected for end (13)；And/or second rolling member be several balls, described second
End (14) is equipped with the second rolling member fixed plate (141), and it is solid that the second rolling member rolling is installed in second rolling member
Location hole on fixed board (141), the second rolling member fixed plate (141) and the second end (14) circumferentially limit cooperation or
Person is mutually fixedly connected.
7. a kind of torque booster for closet cover board according to claim 5, it is characterised in that: the elastic component
(23) torsional spring is used, the torsional spring, which is set on the rotating assembly (20), is located at first flange (21) and the second flange
(22) part between.
8. a kind of torque booster for closet cover board according to claim 5, it is characterised in that: first flange
(21) it is detachably connected with the second flange (22) at least alternative one with the rotating assembly (20).
9. a kind of torque booster for closet cover board according to claim 4, it is characterised in that: the sleeve (12)
Axial direction on both ends there are the first opening and the second opening that communicate with the inner cavity (11), the first end (13) can divide
Liftoff lid connects the first opening in the sleeve (12), and the second end (14) is separably covered and connect in the sleeve (12)
The second opening.
10. a kind of torque booster for closet cover board according to claim 1, it is characterised in that: the shell group
The position-limit mechanism for limiting rotational angle is additionally provided between part (10) and the rotating assembly (20)；The position-limit mechanism includes
Mutually the limited block (123) and limiting slot (24) of limit cooperation, the limited block (123) are set to the interior of the housing unit (10)
The alternative one of the outer wall of wall and the rotating assembly (20), the limiting slot (24) are set to the inner wall of the housing unit (10)
It is another with the two of the outer wall of the rotating assembly (20).
11. a kind of torque booster for closet cover board according to claim 1, it is characterised in that: closet cover board to
When closing direction is overturn, the relatively described housing unit (10) of the rotating assembly (20) rotates forward and makes the elastic component (23) bullet
Property deformation；When closet cover board is overturn to opening direction, relatively described housing unit (10) reversion of the rotating assembly (20) is described
Elastic component (23) applies power-assisted toward opening direction to the closet cover board by elastic reset.
12. a kind of closet, including closet cover board, which is characterized in that the closet cover board is equipped with any one of claim 1 to 11
The torque booster.
13. closet according to claim 12, which is characterized in that further include the electricity for controlling the closet cover board opening and closing
Driver is controlled, the automatically controlled driver and the torque booster are independently arranged, and the torque booster is to the closet cover board
Apply active force toward opening direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305051.8A CN109965763A (en) | 2019-04-16 | 2019-04-16 | A kind of torque booster and closet for closet cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305051.8A CN109965763A (en) | 2019-04-16 | 2019-04-16 | A kind of torque booster and closet for closet cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109965763A true CN109965763A (en) | 2019-07-05 |
Family
ID=67084910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910305051.8A Pending CN109965763A (en) | 2019-04-16 | 2019-04-16 | A kind of torque booster and closet for closet cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109965763A (en) |
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2019
- 2019-04-16 CN CN201910305051.8A patent/CN109965763A/en active Pending
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|---|---|---|---|---|
| JPH08270703A (en) * | 1995-03-31 | 1996-10-15 | Nifco Inc | Rotary damper |
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| CN207332581U (en) * | 2017-09-19 | 2018-05-08 | 深圳市宁博尔科技有限公司 | A kind of Improvement type force-aid buffering device |
| CN108175327A (en) * | 2018-02-01 | 2018-06-19 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of turnover device of lavatory lid |
| CN108606709A (en) * | 2018-06-04 | 2018-10-02 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of stand-type damping unit of compact |
| CN210055850U (en) * | 2019-04-16 | 2020-02-14 | 厦门瑞尔特卫浴科技股份有限公司 | Torque booster for toilet cover plate and toilet |
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