CN216167149U - Lifting mechanism of toilet cover plate - Google Patents

Abstract

The utility model discloses a lifting mechanism of a toilet cover plate, which is used for connecting a cover plate component and a toilet seat body, wherein the lifting mechanism comprises a first bracket arranged on the toilet seat body and a second bracket which moves between a high position and a low position relative to the first bracket; the movable piece can be in limit fit with the limit piece when moving to the limit position so as to limit the second support at a low position; when the movable piece moves to the abdicating position, the limiting matching with the limiting piece is removed, so that the second support can move to the high position. The lifting mechanism of the toilet cover plate can drive the cover plate assembly to rise for a certain height, so that the top of the toilet seat body can be conveniently cleaned.

Description

Lifting mechanism of toilet cover plate

Technical Field

The utility model relates to the technical field of bathrooms, in particular to a lifting mechanism of a toilet cover plate.

Background

Along with the improvement of living standard of people, the intelligent closestool with beautiful appearance, powerful function and convenient use gradually becomes the mainstream of the market. The intelligent cover plate is locked on the ceramic closestool seat body, and the rear end of the top surface of the ceramic closestool seat body is covered by the intelligent cover plate, so that a user cannot clean the intelligent cover plate, sanitary dead angles are formed in the intelligent cover plate as long as time passes, and user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting mechanism of a toilet cover plate to solve the problems.

In order to achieve the purpose, the utility model adopts the technical scheme that: a lifting mechanism of a toilet cover plate is used for connecting a cover plate component and a toilet seat body, and comprises a first support arranged on the toilet seat body and a second support which moves between a high position and a low position relative to the first support, wherein the cover plate component is arranged on the second support;

when the movable piece moves to the limiting position, the movable piece can be in limiting fit with the limiting piece so as to limit the second support at the low position; the movable piece removes the limiting fit with the limiting piece when moving to the yielding position, so that the second support can move to the high position.

Preferably, the movable member is capable of moving to the high position under the action of the elastic member when the movable member is disengaged from the limit engagement with the limit member.

Preferably, the elastic member abuts between the first bracket and the second bracket, thereby providing an elastic force to the second bracket.

Preferably, the movable part rotates or slides and locates on one of first support and second support, the elastic component butt is in on the movable part, and then the elastic component makes when providing the elastic force to the second support the movable part can be in under the effect of elastic component by the position of stepping down moves to limiting position.

Preferably, the moving part and/or the limiting part are/is provided with a guide inclined plane which enables the moving part to move from the limiting position to the abdicating position in the process that the second support moves from the high position to the low position.

Preferably, the device further comprises a driving element and a pull rope, wherein the driving element is in transmission connection with the movable element through the pull rope so as to drive the movable element to move from the limiting position to the abdicating position;

or the electric drive device is in transmission connection with the moving piece to drive the moving piece to move between the limiting position and the abdicating position;

or, still include actuating mechanism, actuating mechanism has right the moving part provides the pressure channel of pressure, the moving part is in under the pressure effect of pressure channel by limit position activity extremely the position of stepping down.

Preferably, a guide structure is arranged between the first support and the second support, the guide structure comprises a first guide part arranged on the first support and a second guide part arranged on the second support, and the first guide part and the second guide part are in guide fit.

Preferably, the damping mechanism is arranged between the first bracket and the second bracket and used for providing damping force for the second bracket in the process that the second bracket moves from the low position to the high position.

Preferably, the damping mechanism includes damping axle and cylinder, the damping axle sets up on first support and second support one of them, the cylinder sets up on first support and second support another one of them, the one end of damping axle can set up with moving about from top to bottom in the cylinder, the damping axle with be equipped with the sealing member between the inner wall of cylinder, form the damping chamber between damping axle and the cylinder, cylinder or damping epaxial intercommunication all the time the damping chamber and the atmospheric exhaust passage in the external world.

Preferably, the sealing element is a Y-shaped sealing ring or a V-shaped sealing ring, the damping shaft is arranged on the first support, and the cylinder is arranged on the second support; the opening of the cylinder faces upwards, and the Y-shaped opening of the Y-shaped sealing ring or the V-shaped opening of the V-shaped sealing ring deviates from the opening of the cylinder, or the opening of the cylinder faces downwards, and the Y-shaped opening of the Y-shaped sealing ring or the V-shaped opening of the V-shaped sealing ring faces towards the opening of the cylinder;

or the sealing element is a Y-shaped sealing ring or a V-shaped sealing ring, the damping shaft is arranged on the second support, and the cylinder is arranged on the first support; the opening of cylinder up, just the Y shape opening of Y shape sealing washer or the V-arrangement opening orientation of V-arrangement sealing washer the opening of cylinder, perhaps, the opening of cylinder is down, just the Y shape opening of Y shape sealing washer or the V-arrangement opening of V-arrangement sealing washer deviate from the opening of cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

the lifting mechanism of the toilet cover plate has a simple integral structure and reliable functions, and when the moving part moves to the limiting position, the moving part can be in limiting fit with the limiting part to limit the second bracket at a low position, so that a cover plate assembly arranged on the second bracket is at the low position; when the moving part moves to the yielding position, the moving part is relieved from limiting cooperation with the limiting part, so that the second support can move to the high position to drive the cover plate assembly to rise by a section of height, the top of the toilet seat body is exposed, the top of the toilet seat body can be cleaned conveniently, and user experience is improved.

Drawings

FIG. 1 is a perspective view of a lifting mechanism of a toilet lid according to the present invention;

FIG. 2 is an exploded view of the lifting mechanism of the toilet lid of the present invention;

FIG. 3 is a first schematic view of the lifting mechanism of the toilet lid of the present invention (in the figure, the movable member is at the position-limiting position, and the second bracket is at the low position);

FIG. 4 is a second schematic view of the lifting mechanism of the toilet lid of the present invention (in the figure, the movable member is at the position-limiting position, and the second bracket is at the low position)

FIG. 5 is a third schematic view showing the state of the lifting mechanism of the toilet lid of the present invention (in the figure, the movable member is at the limit position, and the second bracket is at the low position)

FIG. 6 is a fourth schematic view showing the state of the lifting mechanism of the toilet lid of the present invention (in the figure, the movable member is at the position-limiting position, and the second bracket is at the low position);

FIG. 7 is a schematic view showing a fifth state of the lifting mechanism of the toilet lid according to the present invention (in the figure, the movable member is at the abdicating position, and the second bracket is at the low position);

FIG. 8 is a sixth schematic view showing the state of the lifting mechanism of the toilet lid according to the present invention (in the drawings, the movable member is at the abdicating position, and the second bracket is at the low position);

FIG. 9 is a seventh view showing the state of the lifting mechanism of the toilet lid of the present invention (in the drawing, the second frame is in a raised state, and the arrow indicates the moving direction of the second frame);

FIG. 10 is an enlarged partial schematic view at A in FIG. 9 (the arrows indicate the gas flow direction);

FIG. 11 is an eighth view illustrating the state of the lifting mechanism of the toilet lid according to the present invention (in the drawing, the second frame is in a lowered state, and the arrow indicates the moving direction of the second frame);

fig. 12 is a partially enlarged schematic view at B in fig. 11 (the arrows in the figure indicate the gas flow direction);

FIG. 13 is a perspective view of a cylinder of a toilet cover plate according to the present invention;

FIG. 14 is a perspective view of the toilet of the present invention illustrating the first bracket in a lowered position;

FIG. 15 is a perspective view of the toilet of the present invention illustrating the second bracket in the raised position;

fig. 16 is a partially exploded view of the toilet of the present invention.

The reference numerals are explained below:

1-a first bracket, 11-a first guide, 2-a second bracket, 21-a guide post, 22-a second guide, 3-a resilient element, 4-a moveable element, 41-a guide ramp, 5-a stop element, 6-a drive element, 7-a pull cord, 8-a box, 9-a button body, 101-a damping shaft, 102-a cylinder, 1021-an exhaust channel, 103-a sealing element, 104-a damping chamber, 01-a cover assembly, 011-a base, 012-a seat, 013-a cover, 02-a toilet seat, 03-a lifting mechanism.

Detailed Description

The utility model is further explained in detail with the accompanying drawings and the embodiments; however, the lifting mechanism of the toilet lid of the present invention is not limited to the embodiment.

Referring to fig. 1 to 13, the lifting mechanism of a toilet cover plate of the present embodiment is used for connecting a cover plate assembly and a toilet seat, the lifting mechanism includes a first bracket 1 disposed on the toilet seat and a second bracket 2 moving up and down between a high position and a low position relative to the first bracket 1, the cover plate assembly is disposed on the second bracket 2, one of the first bracket 1 and the second bracket 2 is movably provided with a movable member 4, the movable member 4 can move between a limiting position and a yielding position relative to the first bracket 1, and the other of the first bracket 1 and the second bracket 2 is provided with a limiting member 5;

when the movable member 4 moves to the limit position, the movable member 4 can be in limit fit with the limit member 5 to limit the second bracket 2 at the low position, so that the cover plate assembly is at the low position; when the moving part 4 moves to the yielding position, the moving part 4 is relieved from the limiting cooperation with the limiting part 5, so that the second support 2 can move to a high position to drive the cover plate assembly to rise by a certain height, the top of the toilet seat body is exposed, the top of the toilet seat body can be cleaned conveniently, and the user experience is improved.

In specific implementation, in this embodiment, the movable element 4 is movably disposed on the first support 1, the movable element 4 can move between a limiting position and a yielding position relative to the first support 1, the limiting element 5 is fixedly disposed on the second support 2, and the limiting element 5 and the second support 2 are integrated. In other embodiments, the limiting member 5 may also be a separate structure from the second bracket 2.

Referring to fig. 1 to 13, in the present embodiment, the elastic member 3 is further included for providing a driving force to the second bracket 2, and when the movable member 4 is released from the limit engagement with the limit member 5, the second bracket 2 can move to the high position under the action of the elastic member 3; the elastic member 3 abuts between the first bracket 1 and the second bracket 2, thereby providing an elastic force to the second bracket 2.

In other embodiments, the second support 2 may be pushed by an electric motor or hydraulic pressure or pneumatic pressure to lift the second support 2.

Referring to fig. 1 to 8, in the present embodiment, the movable element 4 is rotatably mounted on the first bracket 1 through a rotating shaft (not shown), one end of the elastic element 3 abuts against the second bracket 2, the other end of the elastic element 3 abuts against the movable element 4 and the first bracket 1 at the same time, and further the elastic element 3 provides an elastic force to the second bracket 2 and enables the movable element 4 to rotate from the abdicating position to the limiting position under the action of the elastic element 3, and the elastic element 3 specifically adopts a spring; the second bracket 2 is further provided with a guide post 21, and the elastic part 3 is sleeved on the guide post 21, so that the elastic part 3 can more reliably provide upward elastic force for the second bracket 2. Elastic component 3 in this embodiment except with first support 1 and the cooperation of second support 2 for second support 2 provides ascending elastic force in order to realize driving the apron subassembly and rise, elastic component 3 still cooperates with the butt of moving part 4 and for moving part 4 provides elasticity restoring force, makes moving part 4 can reset to limit position by stepping down position autorotation, can reduce cost, the function is reliable. In other embodiments, the movable member 4 may be slidably disposed on the first bracket 1, which also achieves the object of the present invention.

Referring to fig. 4, 5 and 8, in the present embodiment, the movable member 4 and the limiting member 5 are both provided with a guiding inclined surface 41 for rotating the movable member 4 from the limiting position to the abdicating position in the process of moving the second bracket 2 from the high position to the low position, and the guiding inclined surface 41 is arranged to enable the movable member 4 to be driven to rotate from the limiting position to the abdicating position in the process of moving the second bracket 2 from the high position to the low position under the action of external force, so that the second bracket 2 can move to the low position smoothly.

Referring to fig. 4, 5 and 8, in the present embodiment, the device further includes a driving element 6 and a pull rope 7, and the driving element 6 is in transmission connection with the movable element 4 through the pull rope 7 to drive the movable element 4 to move from the limiting position to the yielding position. The driving piece 6 of this embodiment passes through stay cord 7 linkage moving part 4 for driving piece 6 can set up the place of any convenient operation at the closestool, does not influence the whole outward appearance of closestool, also does not influence the structural arrangement of apron subassembly, and the commonality is strong.

During specific implementation, still include box body 8, the relative box body 8 slip of driving piece 6 sets up, and the position of the operation of being convenient for on the closestool is installed to box body 8, and the fixed button body 9 that is equipped with on the box body 8, driving piece 6 specifically is the button of slip setting on button body 9. In other embodiments, the driving member 6 may be a knob rotatably disposed relative to the case 8.

Referring to fig. 2 to 4 and fig. 7 to 13, in the present embodiment, the damping mechanism is further included between the first bracket 1 and the second bracket 2, and the damping mechanism is used for providing a damping force to the second bracket 2 when the second bracket 2 moves from the low position to the high position, so that the second bracket 2 can slowly and smoothly ascend when ascending from the low position to the high position.

Specifically, in the present embodiment, the damping mechanism includes a damping shaft 101 and an air cylinder 102, the damping shaft 101 is disposed on one of the first bracket 1 and the second bracket 2, the air cylinder 102 is disposed on the other of the first bracket 1 and the second bracket 2, one end of the damping shaft 101 is disposed in the air cylinder 102 in a vertically movable manner, a sealing member 103 is disposed between the damping shaft 101 and an inner wall of the air cylinder 102, a damping cavity 104 is formed between the damping shaft 101 and the air cylinder 102, and an exhaust passage 1021 which is always communicated between the damping cavity 104 and the outside atmosphere is disposed on the air cylinder 102 or the damping shaft 101; sealing member 103 is the Y shape sealing washer, damping shaft 101 specifically sets up on first support 1, cylinder 102 specifically sets up on second support 2, cylinder 102's opening (not marking out in the figure) up, damping shaft 101's one end is stretched into in cylinder 102 by cylinder 102's opening, and the Y shape opening of Y shape sealing washer deviates from cylinder 102's opening, the damping mechanism of this embodiment is through adopting this structural design, make second support 2 can be slowly steady rise to the high-order under elastic component 3's effect, and make second support 2 can descend to the low level fast under the exogenic action. In this embodiment, the exhaust passage 1021 is specifically an exhaust groove disposed on the inner wall of the cylinder 102 along the axial direction of the damping shaft 101, and the ascending speed of the second support 2 can be changed by changing the sectional size of the exhaust passage 1021 and/or the elastic force of the elastic member 3. In other embodiments, the sealing element 103 may also be a V-shaped sealing ring, the V-shaped opening of which faces away from the opening of the cylinder 102; the exhaust passage 1021 may also be a through hole provided on the cylinder 102 or the damper shaft 101.

Referring to fig. 1 to 13, in the present embodiment, a guiding structure is disposed between the first bracket 1 and the second bracket 2, the guiding structure includes a first guiding portion 11 disposed on the first bracket 1 and a second guiding portion 22 disposed on the second bracket 2, the first guiding portion and the second guiding portion are in up-and-down sliding guiding engagement, and the second bracket 2 can be lifted stably and reliably by the up-and-down sliding engagement of the first guiding portion 11 and the second guiding portion 22. Specifically, the first guide portion 11 is a guide cylinder, the second guide portion 22 is a guide rod, the second guide portion 22 is slidably inserted into the first guide portion 11 up and down, and the cylinder 102 is disposed at a bottom end of the second guide portion 22. Of course, in other embodiments, the first guide portion may be a guide rod, and the second guide portion may be a guide cylinder.

Referring to fig. 14 to 16, the present embodiment further provides a toilet including a cover assembly 01, a toilet seat 02 and a lifting mechanism 03 of the toilet cover as described in any one of the above embodiments, wherein the cover assembly 01 includes a base 011, a seat 012 and a cover 013, the seat 012 and the cover 013 are both rotatably disposed on the base 011, and the base 011 is mounted on the top rear end of the toilet seat 02 through the lifting mechanism 03. In this embodiment, the second bracket 2 and the base 011 are formed separately and then fixedly connected. In other embodiments, the second support 2 and the base 011 can be an integral structure.

The working principle of the embodiment is briefly described as follows:

referring to fig. 3 to 6, in a normal state, the driving element 6 and the pulling rope 7 are both in an initial state, the movable element 4 is in a limiting position under the action of the elastic element 3, and the movable element 4 is in limiting cooperation with the limiting element 5 to limit the second bracket 2 at a low position, so that the cover plate assembly 01 is in a low position;

when the top of the toilet seat 02 needs to be cleaned, please refer to fig. 7 and 8, the driving member 6 is pressed down, the driving member 6 is linked with the pulling rope 7, the pulling rope 7 drives the movable member 4 to rotate from the limiting position to the abdicating position, and the movable member 4 is released from the limiting fit with the limiting member 5; referring to fig. 9 and 10, the second frame 2 is lifted by the elastic member 3, in the process, the second bracket 2 drives the cylinder 102 to move upwards relative to the damping shaft 101, the damping cavity 104 is compressed, the fluid pressure in the damping cavity 104 can enable the lips at two sides of the Y-shaped opening of the Y-shaped sealing ring to be respectively pressed on the outer wall of the damping shaft 101 and the inner wall of the cylinder 102, the air in the damping cavity 104 can only be discharged through a small exhaust groove (namely an exhaust channel 1021) on the inner wall of the cylinder 102, the air exhaust speed is low, so that the damping cavity 104 is suppressed in pressure, the second bracket 2 is prevented from rising rapidly, along with the slow exhaust of air, the second bracket 2 slowly and stably rises to a high position, thereby driving the cover plate component 01 to slowly and stably rise for a certain height to expose the top of the closestool seat body 02, and conveniently cleaning the top of the closestool seat body 02; in the process of lifting the second bracket 2, the pressing on the driving piece 6 is released, the movable piece 4 rotates from the abdicating position to the limiting position under the action of the elastic piece 3, and at the moment, the limiting piece 5 moves above the movable piece 4;

after the toilet seat 02 is cleaned, please refer to fig. 11 and 12, the cover plate assembly 01 is pressed down, the second bracket 2 is in a descending state under the action of external force, the second bracket 2 drives the cylinder 102 to move downwards relative to the damping shaft 101, the volume of the damping cavity 104 is increased, and the external air passes through the Y-shaped sealing ring and enters the damping cavity 104, so that the damping cavity 104 is always kept in a normal pressure state, and the second bracket 2 can be quickly descended under the action of external force; in the process of descending the second bracket 2, the guide inclined surface 41 on the movable member 4 abuts against the guide inclined surface 41 on the limiting member 5 to drive the movable member 4 to rotate from the limiting position to the abdicating position, so that the second bracket 2 can smoothly move to the low position; after the second bracket 2 descends to the low position, the movable member 4 rotates from the abdicating position to the limiting position under the action of the elastic member 3, so that the second bracket 2 is limited at the low position again.

In other embodiments, the movable member may also be movably disposed on the second support, the movable member may be movable between a limiting position and an abdicating position relative to the second support, accordingly, the limiting member is fixedly disposed on the first support, and the movable member may be specifically rotatably or slidably disposed on the second support, which can also achieve the purpose of the present invention.

In other embodiments, the opening of the cylinder faces downwards, one end of the damping shaft extends into the cylinder from the opening of the cylinder, and the Y-shaped opening of the Y-shaped sealing ring or the V-shaped opening of the V-shaped sealing ring faces the opening of the cylinder.

In other embodiments, the damping shaft is arranged on the second support, the cylinder is arranged on the first support, and the sealing element is a Y-shaped sealing ring or a V-shaped sealing ring; the opening of cylinder up, and the Y shape opening of Y shape sealing washer or the V-arrangement opening of V-arrangement sealing washer towards the opening of cylinder, perhaps, the opening of cylinder is down, and the Y shape opening of Y shape sealing washer or the V-arrangement opening of V-arrangement sealing washer deviate from the opening of cylinder, can make the second support slowly steady rise to high-order under the effect of elastic component equally to make the second support can descend to the low level fast under the exogenic action.

In other embodiments, the driving member and the pull rope can be replaced by an electric driving device, the electric driving device is in transmission connection with the movable member to drive the movable member to move between the limiting position and the yielding position, and the start and stop of the electric driving device are controlled by arranging a control button at a position above the toilet seat convenient to operate, so that the effect of the overall appearance of the toilet seat is not influenced.

In other embodiments, the driving element and the pull rope can be replaced by a driving mechanism, the driving mechanism is provided with a pressure channel for providing pressure for the movable element, and the movable element moves from the limiting position to the yielding position under the pressure action of the pressure channel.

In other embodiments, only the movable member or the limiting member may be provided with a guiding inclined surface for rotating the movable member from the limiting position to the abdicating position in the process of downward movement of the second bracket from the high position to the low position, and the guiding inclined surface on the movable member abuts against the limiting member or the guiding inclined surface on the limiting member abuts against the movable member and can also drive the movable member to rotate from the limiting position to the abdicating position in the process of downward movement of the second bracket from the high position to the low position, so that the second bracket can smoothly move to the low position.

As can be seen from the above description of the present invention, compared with the prior art, the lifting mechanism of the toilet cover plate of the present invention has a simple overall structure and reliable functions, and when the movable member moves to the limit position, the movable member can be in limit fit with the limit member to limit the second bracket at the low position, so that the cover plate assembly disposed on the second bracket is at the low position; when the moving part moves to the yielding position, the moving part is relieved from limiting cooperation with the limiting part, so that the second support can move to the high position to drive the cover plate assembly to rise by a section of height, the top of the toilet seat body is exposed, the top of the toilet seat body can be cleaned conveniently, and user experience is improved.

The above embodiments are only used to further illustrate the lifting mechanism of a toilet cover according to the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A lifting mechanism of a toilet cover plate is used for connecting a cover plate component and a toilet seat body and is characterized in that the lifting mechanism comprises a first support arranged on the toilet seat body and a second support which moves between a high position and a low position relative to the first support, the cover plate component is arranged on the second support, one of the first support and the second support is movably provided with a movable part, the movable part can move between a limiting position and a yielding position, and the other of the first support and the second support is provided with a limiting part;

when the movable piece moves to the limiting position, the movable piece can be in limiting fit with the limiting piece so as to limit the second support at the low position; the movable piece removes the limiting fit with the limiting piece when moving to the yielding position, so that the second support can move to the high position.

2. The lifting mechanism for toilet lid board according to claim 1, further comprising an elastic member for providing a driving force to the second bracket, wherein when the movable member is released from the limit engagement with the limit member, the second bracket can move to the high position under the action of the elastic member.

3. The lifting mechanism of toilet lid board as claimed in claim 2, wherein the elastic member abuts between the first bracket and the second bracket to provide an elastic force to the second bracket.

4. The lifting mechanism of toilet lid board according to claim 2, wherein the movable member is rotatably or slidably disposed on one of the first and second brackets, the elastic member abuts against the movable member, and the elastic member provides an elastic force to the second bracket and enables the movable member to move from the abdicating position to the limiting position under the action of the elastic member.

5. The lifting mechanism for toilet cover plate according to claim 1, wherein the movable member and/or the position-limiting member has a guiding slope for moving the movable member from the position-limiting position to the retracted position when the second bracket moves from the high position to the low position.

6. The lifting mechanism of toilet cover plate according to claim 1, further comprising a driving member and a pulling rope, wherein the driving member is in transmission connection with the movable member through the pulling rope to drive the movable member to move from the limiting position to the abdicating position;

or the electric drive device is in transmission connection with the moving piece to drive the moving piece to move between the limiting position and the abdicating position;

or, still include actuating mechanism, actuating mechanism has right the moving part provides the pressure channel of pressure, the moving part is in under the pressure effect of pressure channel by limit position activity extremely the position of stepping down.

7. The lifting mechanism of toilet cover according to claim 1, wherein a guiding structure is disposed between the first bracket and the second bracket, the guiding structure comprises a first guiding portion disposed on the first bracket and a second guiding portion disposed on the second bracket, and the first guiding portion and the second guiding portion are guided and engaged.

8. The toilet lid lifting mechanism according to claim 1, further comprising a damping mechanism for providing a damping force to the second bracket during movement from the low position to the high position.

9. The lifting mechanism of toilet cover plate as claimed in claim 8, wherein the damping mechanism comprises a damping shaft and a cylinder, the damping shaft is disposed on one of the first and second supports, the cylinder is disposed on the other of the first and second supports, one end of the damping shaft is movably disposed in the cylinder up and down, a sealing member is disposed between the damping shaft and the inner wall of the cylinder, a damping chamber is formed between the damping shaft and the cylinder, and an exhaust passage is disposed on the cylinder or the damping shaft to always communicate the damping chamber with the outside atmosphere.

10. The lifting mechanism of toilet lid board according to claim 9, wherein the sealing member is a Y-shaped sealing ring or a V-shaped sealing ring, the damping shaft is disposed on the first bracket, and the cylinder is disposed on the second bracket; the opening of the cylinder faces upwards, and the Y-shaped opening of the Y-shaped sealing ring or the V-shaped opening of the V-shaped sealing ring deviates from the opening of the cylinder, or the opening of the cylinder faces downwards, and the Y-shaped opening of the Y-shaped sealing ring or the V-shaped opening of the V-shaped sealing ring faces towards the opening of the cylinder;

or the sealing element is a Y-shaped sealing ring or a V-shaped sealing ring, the damping shaft is arranged on the second support, and the cylinder is arranged on the first support; the opening of cylinder up, just the Y shape opening of Y shape sealing washer or the V-arrangement opening orientation of V-arrangement sealing washer the opening of cylinder, perhaps, the opening of cylinder is down, just the Y shape opening of Y shape sealing washer or the V-arrangement opening of V-arrangement sealing washer deviate from the opening of cylinder.

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