CN109578508B - Damping mechanism with backward-leaning mute function - Google Patents

Damping mechanism with backward-leaning mute function Download PDF

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Publication number
CN109578508B
CN109578508B CN201811476737.5A CN201811476737A CN109578508B CN 109578508 B CN109578508 B CN 109578508B CN 201811476737 A CN201811476737 A CN 201811476737A CN 109578508 B CN109578508 B CN 109578508B
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Prior art keywords
cover plate
damping mechanism
matching surface
stroke
toilet cover
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CN109578508A (en
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范振林
郑亮东
谢伟泉
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Xiamen R&T Plumbing Technology Co Ltd
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Xiamen R&T Plumbing Technology Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • 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
    • A47K13/12—Hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
    • F16F15/161—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material characterised by the fluid damping devices, e.g. passages, orifices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Toilet Supplies (AREA)

Abstract

The invention discloses a damping mechanism with a backward-leaning mute function; the damping mechanism is used for providing damping force for uncovering the toilet cover plate, an uncovering buffer section is formed on an uncovering stroke of the toilet cover plate by the damping mechanism, and the uncovering buffer section provides damping force for the toilet cover plate in the process of opening the toilet cover plate; can realize the silence function of facing back after opening the toilet lid board of in-process, user experience is better.

Description

Damping mechanism with backward-leaning mute function
Technical Field
The invention relates to a damping mechanism with a backward-leaning silencing function.
Background
Along with the improvement of living standard of people, the functional demand of products is more and more, and the function of the closestool cover plate is the main factor of people for purchasing the closestool. The damping function of toilet lid mainly is realized through increasing the attenuator in the apron pivot, and current attenuator generally adopts hydraulic structure, closes the silence through the poor realization of the oily clearance of mistake of opening and closing, opens light service function, and the technology is ripe, and is reliable and stable, and current attenuator is used as the closing process to the apron usually and provides damping force to mainly have three major functions: firstly, the silencing effect is obvious, and the noise generated by the fact that the upper cover or the seat ring quickly falls down and impacts the ceramic toilet bowl in the using process can be avoided, especially at night; secondly, the safety effect is good, and when a child plays in a toilet or goes to the toilet, the child can be prevented from being injured by the falling of the upper cover or the seat ring; in addition, the ceramic toilet bowl can be protected to a certain extent, and damage to ceramic caused by long-term rapid falling is avoided.
The existing damper does not generate damping force in the whole opening process of the cover plate. Therefore, the cover plate is impacted with a water tank at the rear part of the closestool or the wall at the rear part of the closestool under the influence of inertia or external force in the opening process to generate larger noise, the cover plate is easy to wear and tear to influence the appearance of a product, and the cover plate is seriously cracked to influence the service life of the product.
Disclosure of Invention
The invention provides a damping mechanism with a backward-bending silencing function, which can realize the backward-bending silencing function of a toilet cover plate in the opening process by arranging an uncovering buffer section in the uncovering stroke of the toilet cover plate.
In order to achieve the purpose, the invention adopts the technical scheme that:
the damping mechanism is used for providing damping force for uncovering of a toilet cover plate, an uncovering buffer section is formed on an uncovering stroke of the toilet cover plate, and the uncovering buffer section provides damping force for the toilet cover plate in the opening process of the toilet cover plate.
Preferably, the damping mechanism further provides a damping force for the closed cover of the toilet cover plate, the damping mechanism forms a closed cover buffer section on the closed cover stroke of the toilet cover plate, and the closed cover buffer section provides the damping force for the toilet cover plate in the closing process of the toilet cover plate.
Preferably, the toilet lid closing stroke includes a front stroke section, a middle stroke section, and a rear stroke section, and the lid closing buffer section is formed at the middle stroke section and/or the rear stroke section of the lid closing stroke.
Preferably, the uncovering stroke of the toilet cover plate comprises a front stroke section, a middle stroke section and a rear stroke section, and the uncovering buffer section is formed at the rear stroke section of the uncovering stroke.
Preferably, the damping mechanism comprises a shell (20) filled with damping oil, and a rotating shaft (10) which is in sealed rotation fit with the shell (20) to disturb the damping oil; in the closing process of the toilet cover plate, when the damping mechanism is positioned at the closing buffer section, at least one high-pressure oil chamber (30) and at least one low-pressure oil chamber (40) are formed in the inner cavity of the shell (20); in the process of opening the toilet cover plate, when the damping mechanism is positioned at the uncovering buffer section, at least one high-pressure oil chamber (30) and at least one low-pressure oil chamber (40) are formed in the inner cavity of the shell (20).
Preferably, one of the rotating shaft (10) and the housing (20) is provided with a swinging plectrum (22), and the other of the rotating shaft (10) and the housing (20) is provided with a first matching surface (11) which is in contact fit with the side part of the plectrum (22) at a position corresponding to the closed cover buffer section; the toilet lid is closed to plectrum (22) with during the inconsistent cooperation of first fitting surface (11) seals oil, the inner chamber of casing (20) forms high-pressure oil chamber (30) with low-pressure oil chamber (40), damping mechanism is in close and cover the buffer segment, realize slowly falling the function.
Preferably, a second matching surface (12) and a third matching surface (13) which are correspondingly matched with two end parts of the shifting piece (22) along the axial direction are further respectively arranged on the part of the rotating shaft (10) in the inner cavity of the shell (20), an oil gap is formed between the second matching surface (12) and one end part of the shifting piece (22), and an oil gap is also formed between the third matching surface (13) and the other end part of the shifting piece (22).
Preferably, the second matching surface (12) or the third matching surface (13) is arranged obliquely along the axial direction of the rotating shaft (10), so that the oil passing gap gradually changes from large to small along the closing stroke, and the damping force gradually changes from small to large is provided for the toilet cover plate in the closing process of the toilet cover plate.
Preferably, pivot (10) are equipped with fourth fitting surface (14), casing (20) are equipped with fifth fitting surface (21), the toilet lid is opened extremely fourth fitting surface (14) with during the inconsistent cooperation of fifth fitting surface (21) seals oil, form high pressure oil chamber (30) with low pressure oil chamber (40), damping mechanism is in uncap buffer segment realizes the silence function of bending backward.
Preferably, the housing (20) is provided with a swinging plectrum (22), the inner wall of the housing (20) is provided with a plectrum mounting groove (23) for pivotally connecting the plectrum (22), the fourth matching surface (14) is formed on the peripheral surface of the rotating shaft (10), and the fifth matching surface (21) is formed on the outer end surface of the groove wall of the housing (20) on one side of the plectrum mounting groove (23); or, the rotating shaft (10) is provided with a swinging plectrum (22), the outer wall of the rotating shaft (10) is provided with a plectrum mounting groove (23) for pivotally connecting the plectrum (22), the fourth matching surface (14) is formed on the outer end surface of the groove wall of one side of the plectrum mounting groove (23) of the rotating shaft (10), and the fifth matching surface (21) is formed on the inner circumferential surface of the shell (20).
The invention has the beneficial effects that:
(1) The invention forms the uncovering buffer section through the damping mechanism in the uncovering stroke of the closestool cover plate and can realize the backward-leaning silencing function of the closestool cover plate in the opening process;
(2) The damping mechanism forms a closed cover buffer section in the closing stroke of the toilet cover plate, so that the toilet cover plate can realize the slow descending function in the closing process,
(3) The cover opening buffer section is formed at the rear stroke section of the cover opening stroke, so that the backward-leaning mute function is realized under the condition that the light and convenient opening effect of the cover plate is not influenced, and the user experience is better;
(4) The second matching surface or the third matching surface is obliquely arranged along the axial direction of the rotating shaft, so that the oil passing gap is gradually changed from large to small along the closing stroke, and damping force gradually changed from small to large is provided for the toilet cover plate in the closing process of the toilet cover plate, so that the falling action of the toilet cover plate is smoothly carried out, and the reliability is higher;
(4) According to the invention, the fourth matching surface and the fifth matching surface are arranged between the rotating shaft and the shell, and the matching surfaces are arranged on the outer end surface of the groove wall on one side of the shifting piece mounting groove, so that the structure is more compact, and the internal space of the damping mechanism is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not limit the invention. In the drawings:
FIG. 1 is a longitudinal cross-sectional view of a damping mechanism with a pitch back silencing function of the present invention;
FIG. 2 is an exploded view of a damping mechanism with a back-tilt silencing function according to the present invention;
FIG. 3 is a schematic structural diagram of a housing of a damping mechanism with a back-tilting silencing function according to the present invention;
FIG. 4 is a schematic view of a rotating shaft structure of a damping mechanism with a back-bending silencing function according to the present invention;
FIG. 5 is a structural view of the damper with back-bending silencing function of the present invention, showing the structure of the engagement between the driver and the shaft (initial closed position 0 °);
FIG. 6 is a transverse cross-sectional view (initial closed position 0) of a damping mechanism with a reclining mute function of the present invention;
FIG. 7 is a view showing the structure of the damper with back-bending silencing function of the present invention, showing the structure of the engagement between the driver and the shaft (open position 95 °);
FIG. 8 is a transverse cross-sectional view (open to the reclined mute function active position 95) of a damping mechanism of the present invention having a reclined mute function;
FIG. 9 is a view showing the structure of the damper with back-bending silencing function of the present invention, showing the engagement between the driver and the shaft (opened to the back-bending silencing function position of 105 °);
FIG. 10 is a transverse cross-sectional view (open position 105) of a damping mechanism with a reclining mute function of the present invention;
FIG. 11 is a view showing the structure of the damper with a back-tilting silencing function of the present invention, in which the plectrum is engaged with the rotating shaft (closed to the slow-descending function position of 45 °);
FIG. 12 is a transverse cross-sectional view (closed to the descent control function position 45) of a damping mechanism of the present invention having a reclining mute function;
FIG. 13 is a view showing the structure of the damper with back-tilting silencing function in conjunction with the shaft (closed position 0 °);
FIG. 14 is a transverse cross-sectional view (closed position 0) of a damping mechanism with a pitch back silencing feature of the present invention;
in the figure:
10-a rotating shaft; 11-a first mating face; 12-a second mating face; 13-a third mating face; 14-a fourth mating face; 15-blades; 16-oil passing groove;
20-a housing; 21-a fifth mating surface; 22-a plectrum; 23-a plectrum mounting groove; 24-a modulation channel;
30-a high-pressure oil chamber; 40-a low pressure oil chamber; 50-adjusting the nut; and 60-pressing the cover.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clear and obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the damping mechanism with the backward-leaning mute function, disclosed by the invention, the damping mechanism is used for providing damping force for the uncovering of the toilet cover plate, the damping mechanism is provided with an uncovering buffer section on the uncovering stroke of the toilet cover plate, and the uncovering buffer section provides damping force for the toilet cover plate in the opening process of the toilet cover plate.
In this embodiment, the damping mechanism further provides a damping force for closing the toilet lid, the damping mechanism forms a closing buffer section on a closing stroke of the toilet lid, and the closing buffer section provides the damping force for the toilet lid during a closing process of the toilet lid.
The toilet cover plate comprises a cover closing stroke, a cover opening stroke and a cover closing stroke, wherein the cover closing stroke of the toilet cover plate comprises a front stroke section, a middle stroke section and a rear stroke section; preferably, the cover closing buffer section is formed in a middle stroke section and/or a rear stroke section of the cover closing stroke, and the cover opening buffer section is formed in a rear stroke section of the cover opening stroke. The front stroke section, the middle stroke section and the rear stroke section can be divided according to a preset angle range, in the embodiment, the angle range of the cover opening buffer section is smaller than that of the cover closing buffer section, so that a user can open the toilet cover more conveniently and saves labor.
As shown in fig. 1 to 4, in the present embodiment, the damping mechanism includes a housing 20 filled with damping oil, and a rotating shaft 10 in sealed rotation fit with the housing 20 to disturb the damping oil; as shown in fig. 11 to 14, when the damping mechanism is in the closing buffer section during the closing process of the toilet lid, at least one high pressure oil chamber 30 and at least one low pressure oil chamber 40 are formed in the inner cavity of the casing 20, so as to provide a damping force to the toilet lid during the closing process; as shown in fig. 5 to 10, when the damping mechanism is located at the lid-opening buffering section during the opening process of the toilet lid, at least one high-pressure oil chamber 30 and at least one low-pressure oil chamber 40 are formed in the inner cavity of the casing 20, so as to provide a damping force to the toilet lid during the opening process.
One of the rotating shaft 10 and the housing 20 is provided with a swinging shifting piece 22, and the other of the rotating shaft 10 and the housing 20 is provided with a first matching surface 11 which is matched with the side part of the shifting piece 22 in a butting way at a position corresponding to the closed cover buffer section; when the toilet cover plate is closed until the plectrum 22 is in contact fit with the first fitting surface 11 for oil sealing, the inner cavity of the shell 20 forms the high-pressure oil cavity 30 and the low-pressure oil cavity 40, and the damping mechanism is located in the closed cover buffer section to realize the slow descent function. In the embodiment, a plectrum mounting groove 23 for mounting the plectrum 22 is arranged on the shell 20, the plectrum 22 is arranged in the plectrum mounting groove 23 in a swinging way, and the first matching surface 11 is arranged on the rotating shaft 10; further, the rotary shaft 10 is provided with vanes 15 having a function of disturbing the damping oil.
As shown in fig. 4, in this embodiment, a second engagement surface 12 and a third engagement surface 13, which are respectively engaged with two end portions of the poking piece 22 along the axial direction, are further provided at a portion of the rotating shaft 10 located in the inner cavity of the housing 20, an oil passing gap is formed between the second engagement surface 12 and one end portion of the poking piece 22, and an oil passing gap is also formed between the third engagement surface 13 and the other end portion of the poking piece 22. The second matching surface 12 or the third matching surface 13 is disposed obliquely along the axial direction of the rotating shaft 10, so that the oil passing gap gradually changes from large to small along the closing stroke, and a damping force gradually changing from small to large is provided for the toilet lid in the closing process of the toilet lid.
As shown in fig. 4 and 5, the rotating shaft 10 is provided with a fourth matching surface 14, the casing 20 is provided with a fifth matching surface 21, the high-pressure oil chamber 30 and the low-pressure oil chamber 40 are formed when the toilet cover plate is opened until the fourth matching surface 14 and the fifth matching surface 21 are in contact fit for sealing oil, and the damping mechanism is located in the cover opening buffer section to realize the back-tilting mute function. In this embodiment, the housing 20 is provided with a swinging paddle 22, a paddle mounting groove 23 for pivotally connecting the paddle 22 is provided on an inner wall of the housing 20, the fourth mating surface 14 is formed on a circumferential surface of the rotating shaft 10, and the fifth mating surface 21 is formed on an outer end surface of a groove wall of the housing 20 on a side of the paddle mounting groove 23; alternatively, it is also possible to adopt: the rotating shaft 10 is provided with a swinging plectrum 22, the outer wall of the rotating shaft 10 is provided with a plectrum mounting groove 23 for pivotally connecting the plectrum 22, the fourth matching surface 14 is formed on the outer end surface of the groove wall of the rotating shaft 10 at one side of the plectrum mounting groove 23, and the fifth matching surface 21 is formed on the inner circumferential surface of the shell 20; alternatively, the fifth mating surface 21 may be provided on the peripheral surface of the rotating shaft 10 or the inner peripheral surface of the housing 20.
As shown in fig. 4, in this embodiment, an oil passing groove 16 is disposed between the fourth matching surface 14 and the fifth matching surface 21, and when the fourth matching surface 14 and the fifth matching surface 21 are in contact fit to form the high-pressure oil chamber 30 and the low-pressure oil chamber 40, the oil passing groove 16 communicates the high-pressure oil chamber 30 and the low-pressure oil chamber 40, preferably, the oil passing groove 16 is a gradual oil passing groove and is disposed on a side portion of the vane 15 of the rotating shaft 10. Alternatively, the magnitude of the damping force may be controlled by providing a gradually changing oil clearance directly between the fourth mating surface 14 and the fifth mating surface 21.
It should be noted that the "oil seal" described in the present invention may not be a complete sealing effect, but rather, an oil passing gap or an oil passing groove is formed to achieve a small amount of oil passing effect, so that a certain damping force is applied to the toilet lid plate to achieve a slow-down effect or a backward-tilting silencing effect under the condition that the toilet lid plate can be normally closed or normally opened. Certainly, the "oil seal" in the present invention may also have a completely sealed effect, and at this time, other oil passing channels capable of passing a small amount of oil are further provided between the high-pressure oil chamber 30 and the low-pressure oil chamber 40 (for example, an adjusting channel 24 communicating the high-pressure oil chamber 30 and the low-pressure oil chamber 40 is provided on the bottom wall of the inner chamber of the housing 20, and preferably, the flow cross section of the adjusting channel 24 is adjustable, so as to adjust the damping force), so that a certain damping force is applied to the toilet cover plate under the condition that the toilet cover plate can be normally closed or normally opened, and a slow-down effect or a back-up mute effect is achieved.
The working process of the damping mechanism of the invention is briefly described below with reference to specific embodiments:
as shown in fig. 5 and 6, for example, the range of the opening angle of the cover plate corresponding to the preset uncapping buffer section is greater than 95 °; in an initial state, the fourth matching surface 14 and the fifth matching surface 21 are circumferentially staggered, so that an idle stroke is formed in an uncovering stroke of the toilet cover plate within a range of opening 95 degrees, and the opening process of the toilet cover plate is lighter;
as shown in fig. 7 to 10, when the toilet lid is opened to an angle greater than or equal to 95 °, the fourth mating surface 14 and the fifth mating surface 21 are mated to seal oil, so that a high-pressure oil chamber 30 and a low-pressure oil chamber 40 are formed in the inner cavity of the housing 20, and a small amount of damping oil flows from the high-pressure oil chamber 30 to the low-pressure oil chamber 40 through the oil groove 16, so as to apply a certain damping force to the toilet lid, thereby preventing the toilet lid from colliding with the water tank at the rear of the toilet or the wall at the rear of the toilet to generate noise, and achieving a back-tilting silencing effect.
As shown in fig. 11 and 12, when the toilet lid is closed to 45 ° or less, the paddle 22 is in contact with the first engagement surface 11 to seal oil, so that a high-pressure oil chamber 30 and a low-pressure oil chamber 40 are formed in the inner cavity of the housing 20, and a small amount of damping oil flows from the high-pressure oil chamber 30 to the low-pressure oil chamber 40 through an oil passage (where the oil passage includes an oil passage gap formed between the second engagement surface 12 and one end of the paddle 22, an oil passage gap formed between the third engagement surface 13 and the other end of the paddle 22, and an oil passage gap formed between the first engagement surface 11 and the paddle 22), so as to apply a certain damping force to the toilet lid and achieve a slow-down function.
As shown in fig. 13 and 14, when the toilet lid is closed to 0 degree, the damping mechanism is restored to the initial state of fig. 5 and 6.
While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the precise forms disclosed herein and is not to be interpreted as excluding the existence of additional embodiments that are also intended to be encompassed by the present invention as modified within the spirit and scope of the invention as described herein. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A damping mechanism with a backward-leaning mute function is used for providing damping force for uncovering of a toilet cover plate and is characterized in that an uncovering buffer section is formed on an uncovering stroke of the toilet cover plate by the damping mechanism, and the uncovering buffer section provides damping force for the toilet cover plate in the process of opening the toilet cover plate; the damping mechanism comprises a shell (20) filled with damping oil and a rotating shaft (10) which is in sealed rotating fit with the shell (20) to disturb the damping oil; the rotating shaft (10) is provided with a fourth matching surface (14), the shell (20) is provided with a fifth matching surface (21), and when the toilet cover plate is opened until the fourth matching surface (14) and the fifth matching surface (21) are in contact fit for sealing oil, a high-pressure oil cavity (30) and a low-pressure oil cavity (40) are formed; the shell (20) is provided with a swinging plectrum (22), the inner wall of the shell (20) is provided with a plectrum mounting groove (23) for pivoting the plectrum (22), the fourth matching surface (14) is formed on the circumferential surface of the rotating shaft (10), and the fifth matching surface (21) is formed on the outer end surface of the groove wall of one side of the plectrum mounting groove (23) of the shell (20); or, the rotating shaft (10) is provided with a swinging plectrum (22), the outer wall of the rotating shaft (10) is provided with a plectrum mounting groove (23) for pivotally connecting the plectrum (22), the fourth matching surface (14) is formed on the outer end surface of the groove wall of one side of the plectrum mounting groove (23) of the rotating shaft (10), and the fifth matching surface (21) is formed on the inner circumferential surface of the shell (20).
2. The damping mechanism with a reclining muting function according to claim 1, wherein: the damping mechanism further provides damping force for the closed cover of the toilet cover plate, a closed cover buffer section is formed on the closed cover stroke of the toilet cover plate by the damping mechanism, and the closed cover buffer section provides damping force for the toilet cover plate in the closing process of the toilet cover plate.
3. The damping mechanism with a reclining silencing function as set forth in claim 2, wherein: the toilet cover plate is characterized in that the cover closing stroke of the toilet cover plate comprises a front stroke section, a middle stroke section and a rear stroke section, and the cover closing buffer section is formed in the middle stroke section and/or the rear stroke section of the cover closing stroke.
4. The damping mechanism with a reclining muting function according to claim 1, wherein: the uncovering stroke of the toilet cover plate comprises a front stroke section, a middle stroke section and a rear stroke section, and the uncovering buffer section is formed at the rear stroke section of the uncovering stroke.
5. The damping mechanism with a reclining silencing function as set forth in claim 2, wherein: in the closing process of the toilet cover plate, when the damping mechanism is positioned at the closing buffer section, at least one high-pressure oil chamber (30) and at least one low-pressure oil chamber (40) are formed in the inner cavity of the shell (20); in the process of opening the toilet cover plate, when the damping mechanism is positioned at the uncovering buffer section, at least one high-pressure oil chamber (30) and at least one low-pressure oil chamber (40) are formed in the inner cavity of the shell (20).
6. The damping mechanism with a reclining silencing function as set forth in claim 5, wherein: one of the rotating shaft (10) and the shell (20) is provided with a swinging shifting sheet (22), and the other of the rotating shaft (10) and the shell (20) is provided with a first matching surface (11) which is in contact fit with the side part of the shifting sheet (22) at a position corresponding to the closed cover buffer section; when the toilet cover plate is closed to the poking piece (22) and the first matching surface (11) are in contact fit for oil sealing, the inner cavity of the shell (20) forms the high-pressure oil cavity (30) and the low-pressure oil cavity (40), and the damping mechanism is located in the closed cover buffer section to realize the slow descending function.
7. The damping mechanism with a reclining silencing function as set forth in claim 6, wherein: the part of the rotating shaft (10) located in the inner cavity of the shell (20) is further provided with a second matching surface (12) and a third matching surface (13) which are correspondingly matched with two end parts of the poking sheet (22) along the axial direction, an oil passing gap is formed between the second matching surface (12) and one end part of the poking sheet (22), and an oil passing gap is also formed between the third matching surface (13) and the other end part of the poking sheet (22).
8. The damping mechanism with a reclining muting function according to claim 7, wherein: the second matching surface (12) or the third matching surface (13) is obliquely arranged along the axial direction of the rotating shaft (10), so that the oil passing gap is gradually changed from large to small along the closing stroke, and a damping force gradually changed from small to large is provided for the toilet cover plate in the closing process of the toilet cover plate.
CN201811476737.5A 2018-12-05 2018-12-05 Damping mechanism with backward-leaning mute function Active CN109578508B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214617660U (en) * 2021-02-23 2021-11-05 厦门安百利科技有限公司 Improved damper
CN113413082A (en) * 2021-07-19 2021-09-21 临海市康乐丰厨卫有限公司 Intelligent closestool and closestool cover slow-falling hinge thereof

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