CN110353551B - Buffer for slowly lowering toilet cover and slowly lifting toilet ring - Google Patents
Buffer for slowly lowering toilet cover and slowly lifting toilet ring Download PDFInfo
- Publication number
- CN110353551B CN110353551B CN201910614993.4A CN201910614993A CN110353551B CN 110353551 B CN110353551 B CN 110353551B CN 201910614993 A CN201910614993 A CN 201910614993A CN 110353551 B CN110353551 B CN 110353551B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- toilet
- shell
- cavity
- toilet seat
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 210000002700 urine Anatomy 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 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
-
- 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
-
- 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
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toilet Supplies (AREA)
Abstract
The invention discloses a toilet cover slow-descending and toilet ring slow-ascending damper which mainly comprises a shell and a rotating shaft, wherein the rotating shaft is pressed in the shell with a bracket, shell baffles are arranged on the front side and the rear side of the shell and are used for dividing a whole damping cavity into an upper half cavity and a lower half cavity, damping oil leaks from the upper half cavity to the lower half cavity of the damping cavity through gaps between the rotating shaft and the shell baffles, so that toilet ring slow-ascending is realized, and damping oil leaks from the lower half cavity to the upper half cavity of the damping cavity, so that toilet cover slow-descending is realized. The beneficial effects of the invention are as follows: when the toilet cover is opened, the toilet seat is also opened, so that the toilet seat is convenient and quick to use, keeps clean, and is free from pollution of stains such as urine stains; the toilet seat rises slowly, so that the toilet seat cover is attached in a mute mode, damage to the toilet seat is avoided, the use experience of a user is improved, the toilet seat cover falls slowly, and the mute effect is achieved; the lifting speed of the toilet cover and the toilet seat can be controlled and regulated in a humanized way.
Description
Technical Field
The invention relates to the field of toilets, in particular to a toilet cover slow-descending and toilet ring slow-ascending damper.
Background
When the toilet is used in daily life, the toilet cover and the toilet ring are not subjected to any resistance generally, so that the toilet cover and the toilet ring are too fast in the lifting process and make a great sound, the use experience of a user is affected, and the toilet can be damaged for a long time; in addition, the toilet seat is not opened together with the toilet cover when the toilet cover is opened, so that stains such as urine stains are generated on the toilet seat after the toilet cover is used, and the toilet seat is difficult to keep clean.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a toilet cover slow-descending and toilet ring slow-ascending damper.
The invention aims at being completed by the following technical scheme: the toilet cover slowly-descending and toilet ring slowly-ascending damper mainly comprises a shell, a rotating shaft and a spring, wherein the rotating shaft is internally pressed in the shell with a bracket, a small sealing ring is sleeved on the left side of the rotating shaft, an inner hexagonal plastic gasket and a stainless steel gasket are arranged on the outer side of the small sealing ring, the small sealing ring is screwed and fixed through a locknut, a step surface A and a step surface B which are parallel to each other are arranged on the rotating shaft, a circular groove for installing a large sealing ring is formed between the two step surfaces in an inward concave manner, a damping cavity is formed between the small sealing ring and the step surface A, damping oil is filled in the damping cavity, a rotating shaft baffle is arranged on the rotating shaft in the damping cavity, a groove A is formed in the rotating shaft between the rotating shaft baffles, a groove B is formed in the step surface A, a groove C is formed in the bottom of the shell in the damping cavity, and shell baffles are arranged on the front and back sides of the inner surface of the shell and are used for dividing the whole damping cavity into an upper half cavity and a lower half cavity; a clockwork spring bayonet A is arranged at the position above the right side of the shell, a clockwork spring bayonet B is arranged at the right side of the rotating shaft, the clockwork spring is fixed in the shell through the clockwork spring bayonet A and the clockwork spring bayonet B, and the right side of the rotating shaft is sequentially connected with a toilet ring and a toilet cover; in the rotating process of the rotating shaft, damping oil leaks from the upper half cavity to the lower half cavity of the damping cavity through a gap between the rotating shaft and the shell baffle, so that the toilet seat slowly rises, and the damping oil leaks from the lower half cavity to the upper half cavity of the damping cavity, so that the toilet seat slowly falls.
Further, the top of the left side of the rotating shaft is provided with threads, the hexagonal nut is fixed on the rotating shaft through threads, the hexagonal nut is matched with a nested inner hexagonal plastic gasket outside the hexagonal nut, a stainless steel gasket is arranged on the outer side of the inner hexagonal plastic gasket, the rotating shaft is screwed and fixed through the locknut, and the lifting speed of the toilet cover and the toilet seat is adjusted through adjusting the tightness of the locknut.
Further, a bracket is fixed at the bottom of the shell.
Further, the shell and the rotating shaft are made of zinc alloy materials.
The beneficial effects of the invention are as follows: when the toilet cover is opened, the toilet seat is also opened, so that the toilet seat is convenient and quick to use, keeps clean, and is free from pollution of stains such as urine stains; the toilet seat rises slowly, so that the toilet seat cover is attached in a mute mode, damage to the toilet seat is avoided, the use experience of a user is improved, the toilet seat cover falls slowly, and the mute effect is achieved; the lifting speed of the toilet cover and the toilet seat can be controlled and regulated in a humanized way.
Drawings
Fig. 1 is a cross-sectional view of the structure of the present invention.
Fig. 2 is a schematic structural view of the housing.
Fig. 3 is a perspective view of the structure of the present invention.
Fig. 4 is a schematic structural view of the spindle 1.
Fig. 5 is a schematic structural view of the spindle 2.
Fig. 6 is a structural side view of the housing.
Fig. 7 is a schematic view of the structure of the clockwork spring as it is compressed.
Fig. 8 is a schematic view of the structure of the clockwork spring when it is open.
Fig. 9 is a schematic diagram of the assembly of the components of the present invention.
Reference numerals illustrate: the novel toilet bowl comprises a shell 1, a groove C1-1, a shell baffle 1-2, a spring bayonet A1-3, a bracket 1-4, a rotating shaft 2, a step surface A2-1, a step surface B2-2, a rotating shaft baffle 2-3, a groove A2-4, a groove B2-5, a spring bayonet B2-6, a hexagonal nut 2-7, a spring 3, a large sealing ring 4, a small sealing ring 5, an inner hexagonal plastic gasket 6, a stainless steel gasket 7, a locknut 8, a damping cavity 9, damping oil 10, a toilet bowl ring 11 and a toilet bowl cover 12.
Detailed Description
The invention will be described in detail below with reference to the attached drawings:
examples: as shown in the drawing, the toilet cover slowly-descending and toilet seat slowly-ascending damper mainly comprises a shell 1, a rotating shaft 2 and a spring 3, wherein the rotating shaft 2 is pressed into the shell 1 with a bracket, a small sealing ring 5 is sleeved on the left side of the rotating shaft 2, an inner hexagonal plastic gasket 6 and a stainless steel gasket 7 are arranged on the outer side of the small sealing ring 5, the small sealing ring is screwed and fixed through a locknut 8, a step surface A2-1 and a step surface B2-2 which are parallel to each other are arranged on the rotating shaft 2, a circular groove for installing a large sealing ring 4 is formed between the two step surfaces in an inward concave manner, a damping cavity 9 is formed between the small sealing ring 5 and the step surface A2-1 by the shell 1, damping oil 10 is filled in the damping cavity 9, a rotating shaft baffle 2-3 is arranged on the rotating shaft 2 in the damping cavity 9, a groove A2-4 is formed on the rotating shaft 2 between the rotating shaft baffles 2-3, a groove B2-5 is formed on the step surface A2-1, a groove C1-1 is formed at the bottom of the shell 1 in the damping cavity 9, and a shell baffle 1-2 is arranged on the front side and the back side of the inner surface of the shell 1 is used for dividing the whole damping cavity 9 into an upper half cavity and a lower half cavity; the upper right side of the shell 1 is provided with a clockwork spring bayonet A1-3, the right side of the rotating shaft 2 is provided with a clockwork spring bayonet B2-6, the clockwork spring 3 is fixed in the shell 1 through the clockwork spring bayonet A1-3 and the clockwork spring bayonet B2-6, and the right side of the rotating shaft 2 is sequentially connected with a toilet seat 11 and a toilet cover 12; when the toilet is not used, the toilet cover 12 and the toilet seat 11 are in a covered state, the clockwork spring 3 is compressed and is in a closed state (shown in fig. 7), at the moment, the toilet cover 12 is opened, the rotating shaft 2 rotates along with the toilet cover to drive the clockwork spring 3 to open, the toilet seat 11 is also opened simultaneously under the action of the opening torsion force of the clockwork spring 3, damping oil 10 leaks from the upper half cavity to the lower half cavity of the damping cavity 9 through a gap (shown in fig. 6) between the rotating shaft 2 and the shell baffle 1-2, slow lifting of the toilet seat 11 is realized, and after the toilet seat 11 is completely opened, the clockwork spring 3 is opened to be in an opened state (shown in fig. 8); when the toilet is covered after the use, damping oil 10 leaks from the lower half cavity to the upper half cavity of the damping cavity 9 under the drive of the rotating shaft, so that the toilet cover 12 slowly descends, and the clockwork spring 3 returns to the closed state.
Preferably, the top of the left side of the rotating shaft 2 is provided with threads, the hexagon nut 2-7 is fixed on the rotating shaft 2 through the threads, the hexagon nut 2-7 is matched with the embedded inner hexagon plastic gasket 6, the stainless steel gasket 7 is arranged on the outer side of the inner hexagon plastic gasket 6, the rotating shaft 2 is screwed and fixed through the locknut 8, the lifting speed of the toilet cover 12 and the toilet ring 11 is adjusted through the tightness of the locknut 8, the nuts are tight, oil leakage gaps are reduced, oil leakage is slow, the slow lifting speed of the toilet ring 11 is slowed down, and the slow dropping speed of the toilet cover 12 is slowed down; otherwise, the oil leakage gap is increased, the oil leakage is fast, the slow-rising speed of the toilet seat 11 is accelerated, the slow-falling speed of the toilet cover 12 is accelerated, and the humanized control and adjustment effect is realized.
The bottom of the shell 1 is fixed with a bracket 1-4.
Preferably, the housing 1 and the shaft 2 are made of zinc alloy.
The slow rising process of the toilet seat: when the toilet seat 11 is opened, damping oil 10 is transferred from the upper half cavity to the lower half cavity of the damping cavity 9, when the toilet seat 11 rises from 0-40 degrees, the rotating shaft baffle plate 2-3 almost completely seals an oil leakage gap in the damping cavity 9, and at the moment, oil leakage is slower, and the toilet seat 11 rises slowly; when the toilet seat rises to 40-90 degrees, the groove C1-1 is arranged to enable the rotating shaft to be empty, so that oil leakage is quicker at the moment, and the toilet seat 11 rises faster; when the toilet seat rises to 90-110 degrees, the oil leakage gap is blocked, the oil leakage is slow at the moment, the toilet seat 11 rises slowly, and the toilet seat 11 is slowly and silently attached to the toilet cover 12.
Slowly falling down the toilet cover: when the toilet cover 12 is closed, the damping oil 10 is transferred from the lower half cavity to the upper half cavity of the damping cavity 9, and when the toilet cover 12 descends from 110 degrees to 40 degrees, the toilet cover 12 descends faster because the gravity of the toilet cover 12 is larger than the resistance generated by the toilet ring 11; when the toilet cover falls to 40-0 degrees, the rotating shaft baffle plate 2-3 relatively seals the oil leakage gap in the damping cavity 9, so that the oil leakage is slower, the toilet cover 12 slowly falls, and the mute falling effect of the toilet cover is realized.
According to the invention, the toilet seat is opened by utilizing the opening torsion of the clockwork spring, so that the toilet seat is kept clean and has no stains such as urine stains and the like. In addition, as the gravity of the toilet cover (ring) is increased, the opening torsion of the clockwork spring is increased, and the viscous resistance of damping oil in the damping cavity is also increased.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present invention should fall within the scope of the claims appended hereto.
Claims (4)
1. The utility model provides a toilet lid slowly falls, toilet seat slowly rises attenuator which characterized in that: mainly comprises a shell (1), a rotating shaft (2) and a clockwork spring (3), wherein the rotating shaft (2) is pressed in the shell (1) with a bracket, a small sealing ring (5) is sleeved on the left side of the rotating shaft (2), an inner hexagonal plastic gasket (6) and a stainless steel gasket (7) are arranged on the outer side of the small sealing ring (5), the rotating shaft (2) is screwed and fixed through a locknut (8), a step surface A (2-1) and a step surface B (2-2) which are parallel to each other are arranged on the rotating shaft (2), a circular groove for installing the large sealing ring (4) is formed between the two step surfaces in an inward concave manner, a damping cavity (9) is formed between the small sealing ring (5) and the step surface A (2-1), damping oil (10) is filled in the damping cavity (9), a groove A (2-4) is formed on the rotating shaft (2) between the rotating shaft (2) in the damping cavity (9), a groove B (2-5) is formed on the rotating shaft (2) between the rotating shaft (2-3), a groove B (2-5) is formed on the step surface A (2-1), a groove C (1-1) is formed on the bottom of the inner shell (1), the front side and the rear side of the inner surface of the shell (1) are provided with shell baffles (1-2) for dividing the whole damping cavity (9) into an upper half cavity and a lower half cavity; a clockwork spring bayonet A (1-3) is arranged at the position above the right side of the shell (1), a clockwork spring bayonet B (2-6) is arranged on the right side of the rotating shaft (2), the clockwork spring (3) is fixed in the shell (1) through the clockwork spring bayonet A (1-3) and the clockwork spring bayonet B (2-6), and the right side of the rotating shaft (2) is sequentially connected with a toilet seat (11) and a toilet cover (12); in the rotating process of the rotating shaft (2), damping oil (10) leaks from the upper half cavity to the lower half cavity of the damping cavity (9) through a gap between the rotating shaft (2) and the shell baffle plate (1-2), so that the toilet seat (11) slowly ascends, and the damping oil (10) leaks from the lower half cavity to the upper half cavity of the damping cavity (9), so that the toilet cover (12) slowly descends.
2. The toilet lid slow down and toilet seat slow up damper according to claim 1, wherein: the top of the left side of the rotating shaft (2) is provided with threads, the hexagon nut (2-7) is fixed on the rotating shaft (2) through threads, the hexagon nut (2-7) is externally matched with the embedded inner hexagon plastic gasket (6), the stainless steel gasket (7) is arranged on the outer side of the inner hexagon plastic gasket (6), the rotating shaft (2) is screwed and fixed through the locknut (8), and the lifting speed of the toilet cover (12) and the toilet ring (11) is adjusted through adjusting the tightness of the locknut (8).
3. The toilet lid slow down and toilet seat slow up damper according to claim 1, wherein: the bottom of the shell (1) is fixed with a bracket (1-4).
4. The toilet lid slow down and toilet seat slow up damper according to claim 1, wherein: the shell (1) and the rotating shaft (2) are made of zinc alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614993.4A CN110353551B (en) | 2019-07-09 | 2019-07-09 | Buffer for slowly lowering toilet cover and slowly lifting toilet ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614993.4A CN110353551B (en) | 2019-07-09 | 2019-07-09 | Buffer for slowly lowering toilet cover and slowly lifting toilet ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110353551A CN110353551A (en) | 2019-10-22 |
| CN110353551B true CN110353551B (en) | 2024-03-19 |
Family
ID=68218341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910614993.4A Active CN110353551B (en) | 2019-07-09 | 2019-07-09 | Buffer for slowly lowering toilet cover and slowly lifting toilet ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110353551B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6393624B1 (en) * | 1998-11-05 | 2002-05-28 | Sankyo Seiki Mfg. Co., Ltd. | Damping device for a toilet seat and lid unit in western-style toilet |
| CN2561335Y (en) * | 2002-04-23 | 2003-07-23 | 张珠英 | Self-opened toilet seat |
| JPWO2003101269A1 (en) * | 2002-05-31 | 2005-09-29 | 東陶機器株式会社 | Opening / closing device for toilet seat or toilet lid and transmission unit for opening / closing device |
| CN201370532Y (en) * | 2009-03-06 | 2009-12-30 | 苏振声 | Descending device for closestool cover |
| KR20100105062A (en) * | 2009-03-20 | 2010-09-29 | 웅진코웨이주식회사 | Toilet bidet |
| CN102341023A (en) * | 2009-10-28 | 2012-02-01 | 柳志芳 | A Damper |
| CN103070635A (en) * | 2013-02-27 | 2013-05-01 | 陈东升 | Closestool with closestool coil capable of being automatically upturned |
| EP2587089A1 (en) * | 2011-10-27 | 2013-05-01 | Geberit International AG | Damper for a rotation movement on toilet lids and seats |
| CN103527027A (en) * | 2013-09-18 | 2014-01-22 | 陈朝朗 | Rotary damper capable of adjusting torque force |
| CN204971077U (en) * | 2015-08-17 | 2016-01-20 | 厦门瑞尔特卫浴科技股份有限公司 | Slow opening device of automation of apron |
| CN106308662A (en) * | 2016-08-30 | 2017-01-11 | 上海大学 | Seat toilet with automatically turnup cushion |
| CN109846406A (en) * | 2019-04-09 | 2019-06-07 | 温州欧冠卫浴有限公司 | A kind of slow descending hinge of toilet lid |
| CN210748988U (en) * | 2019-07-09 | 2020-06-16 | 陈朝朗 | Damper for slow descending of toilet lid and slow ascending of toilet seat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3579384B2 (en) * | 2001-09-26 | 2004-10-20 | 株式会社東芝 | Electronics |
| TR200402481A2 (en) * | 2004-09-28 | 2006-04-21 | Eczaciba�I Yapi Gere�Ler� San. Ve T�C. A.�. | Slow closing mechanism for toilet seats. |
-
2019
- 2019-07-09 CN CN201910614993.4A patent/CN110353551B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6393624B1 (en) * | 1998-11-05 | 2002-05-28 | Sankyo Seiki Mfg. Co., Ltd. | Damping device for a toilet seat and lid unit in western-style toilet |
| CN2561335Y (en) * | 2002-04-23 | 2003-07-23 | 张珠英 | Self-opened toilet seat |
| JPWO2003101269A1 (en) * | 2002-05-31 | 2005-09-29 | 東陶機器株式会社 | Opening / closing device for toilet seat or toilet lid and transmission unit for opening / closing device |
| CN201370532Y (en) * | 2009-03-06 | 2009-12-30 | 苏振声 | Descending device for closestool cover |
| KR20100105062A (en) * | 2009-03-20 | 2010-09-29 | 웅진코웨이주식회사 | Toilet bidet |
| CN102341023A (en) * | 2009-10-28 | 2012-02-01 | 柳志芳 | A Damper |
| EP2587089A1 (en) * | 2011-10-27 | 2013-05-01 | Geberit International AG | Damper for a rotation movement on toilet lids and seats |
| CN103070635A (en) * | 2013-02-27 | 2013-05-01 | 陈东升 | Closestool with closestool coil capable of being automatically upturned |
| CN103527027A (en) * | 2013-09-18 | 2014-01-22 | 陈朝朗 | Rotary damper capable of adjusting torque force |
| CN204971077U (en) * | 2015-08-17 | 2016-01-20 | 厦门瑞尔特卫浴科技股份有限公司 | Slow opening device of automation of apron |
| CN106308662A (en) * | 2016-08-30 | 2017-01-11 | 上海大学 | Seat toilet with automatically turnup cushion |
| CN109846406A (en) * | 2019-04-09 | 2019-06-07 | 温州欧冠卫浴有限公司 | A kind of slow descending hinge of toilet lid |
| CN210748988U (en) * | 2019-07-09 | 2020-06-16 | 陈朝朗 | Damper for slow descending of toilet lid and slow ascending of toilet seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110353551A (en) | 2019-10-22 |
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