Movement mechanism, cover plate assembly and pedestal pan

Abstract

The utility model relates to the technical field of pedestal pans, and provides a movement mechanism, a cover plate assembly and a pedestal pan. The movement mechanism comprises a driving part, a first movement part, a second movement part, a linkage assembly and a traction part, the first movement part is rotationally connected with the driving part, the linkage assembly is rotationally connected with the first movement part and the second movement part, the traction part is provided with a first end and a second end which are opposite, and the first end is fixedly arranged relative to the driving part; the second end is rotationally connected with the linkage assembly, and the distance between the first end and the second end is adjustable. According to the movement mechanism, the second movement piece can be folded or unfolded relative to the first movement piece when the first movement piece rotates through coordination and cooperation of all the components. When the movement mechanism is applied to the cover plate of the pedestal pan, the cover plate can be folded when opened, and the clean front face of the cover plate faces a user, so that the cover plate can serve as a backrest for the user to lean on, the fatigue feeling of the user during defecation is relieved, and the use experience of the pedestal pan is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a toilet bowl technical field, concretely relates to a motion mechanism, cover plate subassembly and toilet bowl. BACKGROUND

[0002] Toilet bowl is commonly known as toilet, and is a common sanitary facility in daily life. In the related art, there are some intelligent toilet bowls that can automatically open or close the cover plate, and are more convenient to use. However, when the related intelligent toilet bowl opens the cover plate, the dirty side (i.e. the side facing the toilet bowl when the cover plate is closed) of the cover plate is usually directed towards the user, and when the user is using the toilet, the back needs to be away from the cover plate to avoid contamination, which can easily make the user feel tired and uncomfortable, resulting in poor user experience of the toilet bowl. SUMMARY

[0003] Therefore, the utility model provides a motion mechanism, cover plate subassembly and toilet bowl to solve the problem that the dirty side of the cover plate of the existing intelligent toilet bowl is directed towards the user, resulting in poor user experience.

[0004] To solve the above problems, the technical scheme of the utility model is as follows:

[0005] A motion mechanism comprises: a driving member; a first moving member, which is rotationally connected with the driving member, and the driving member is used for driving the first moving member to rotate; a second moving member; a linkage assembly, which is used for driving the first moving member and the second moving member to move synchronously, and the linkage assembly is rotationally connected with the first moving member and the second moving member; a traction member, which is used for limiting the movement range of the linkage assembly, and the traction member has opposite first and second ends, the first end is fixedly arranged relative to the driving member, and the second end is rotationally connected with the linkage assembly; wherein the distance between the first end and the second end is adjustable.

[0006] In some embodiments, the traction member is a flexible member, or a flexible part for adjusting the distance is arranged between the first and second ends.

[0007] In some embodiments, the motion mechanism further comprises: a first adjusting member, which is connected with the first end, and at least one adjusting position is arranged on the first adjusting member; and a second adjusting member, which is connected with the second end and connected to any one of the adjusting positions.

[0008] In some embodiments, the linkage assembly is provided in plurality, each linkage assembly is rotationally connected with the first moving member and the second moving member; wherein at least one linkage assembly is connected with the traction member.

[0009] In some embodiments, the first linkage component is arranged on the opposite sides of the first moving component along the direction of the rotation axis of the first moving component, and each of the linkage components is connected with the traction component.

[0010] In some embodiments, the linkage component comprises a first linkage component and a second linkage component, wherein the first linkage component is rotatably connected with the first moving component, the second moving component and the traction component, the second linkage component is rotatably connected with the first moving component and the second moving component, and the first linkage component is arranged apart from the second linkage component.

[0011] In some embodiments, the first linkage component is provided with a first connecting position for being rotatably connected with the first moving component, a second connecting position for being rotatably connected with the second moving component and a third connecting position for being rotatably connected with the traction component, the second linkage component is provided with a fourth connecting position for being rotatably connected with the first moving component and a fifth connecting position for being rotatably connected with the second moving component, and the first connecting position, the second connecting position, the third connecting position, the fourth connecting position and the fifth connecting position are arranged apart from each other.

[0012] The utility model embodiment further provides a kind of cover plate assembly, applied to toilet, the cover plate assembly includes first plate body, second plate body and above-mentioned moving mechanism;Wherein, the first plate body is connected with the first moving component, or the first moving component is the first plate body;The second plate body is connected with the second moving component, or the second moving component is the second plate body.

[0013] The utility model embodiment further provides a kind of toilet, including body and above-mentioned cover plate assembly, the body is connected at least with the driving part.

[0014] In some embodiments, the toilet further comprises a moving assembly for moving the body, and the moving assembly is connected to the body.

[0015] The utility model embodiment provides motion mechanism, cover plate subassembly and toilet bowl, motion mechanism includes driving piece, first moving part, second moving part, linkage assembly and traction piece, through adopting driving piece drive first moving part rotation, linkage assembly drives first moving part and second moving part synchronous movement, and traction piece restricts the movement range of linkage assembly, the coordination between each component, can be realized when first moving part rotates, fold or unfold second moving part relative to first moving part. Meanwhile, through adopting the spacing between the opposite ends of traction piece is adjustable, can promote the fault tolerance and flexibility when motion mechanism moves, better prevent the problem that component occurs to jam. When the above motion mechanism is applied to the cover plate of toilet bowl, can realize folding when cover plate opens, the relatively clean front of cover plate is towards user, can serve as backrest to supply user to lean on, alleviate the fatigue feeling of user when using lavatory, improve the use experience of toilet bowl. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first kind of motion state schematic diagram of motion mechanism provided by the utility model embodiment;

[0017] Figure 2 It is the second kind of motion state schematic diagram of motion mechanism provided by the utility model embodiment;

[0018] Figure 3 It is the third kind of motion state schematic diagram of motion mechanism provided by the utility model embodiment;

[0019] Figure 4 It is the fourth kind of motion state schematic diagram of motion mechanism provided by the utility model embodiment;

[0020] Figure 5 It is the structure schematic diagram of motion mechanism provided by the utility model embodiment;

[0021] Figure 6 It is Figure 1 The local enlarged view of A in the figure;

[0022] Figure 7 It is the structure schematic diagram of cover plate subassembly provided by the utility model embodiment;

[0023] Figure 8 It is the structure schematic diagram of toilet bowl provided by the utility model embodiment;

[0024] Figure 9 It is the side view of toilet bowl provided by the utility model embodiment.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, movement mechanism; 11, driving member; 12, first moving member; 13, second moving member; 14, linkage assembly; 141, first linkage member; 142, second linkage member; 15, traction member; 151, first end; 152, second end; 161, first connecting position; 162, second connecting position; 163, third connecting position; 164, fourth connecting position; 165, fifth connecting position; 2, cover plate assembly; 21, first plate body; 22, second plate body; 23, mounting seat; 24, protective cover; 3, toilet bowl; 31, body; 32, moving assembly; 33, armrest. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0028] In the specific examples, each specific technical feature described can be combined in any suitable manner without contradiction, for example, different embodiments and technical solutions can be formed by combining different specific technical features. In order to avoid unnecessary repetition, various possible combinations of each specific technical feature in the utility model are not described again.

[0029] In the following description, the terms "first", "second", and the like are only used to distinguish different objects, and do not mean that there is the same or relationship between the objects. It should be understood that the orientation description "upper", "lower", "outer", "inner" is the orientation in the normal use state, and the "left", "right" direction represents the left and right direction shown in the specific corresponding schematic diagram, which can be the left and right direction in the normal use state or not.

[0030] It should be noted that the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the sentence "including one" does not exclude the existence of other identical elements in the process, method, article or device including the element. "Multiple" means greater than or equal to two.

[0031] As Figure 1As shown in the drawings, the utility model embodiment provides a kind of motion mechanism 1, which is connecting rod mechanism by rotating pair between components, when the arbitrary component of motion mechanism 1 moves, other components can be synchronized with the component movement, to change the positional relationship between components automatically when moving.The motion mechanism 1 provided by the utility model embodiment can be applied to toilet, to realize the automatic opening or closing of toilet cover plate, and make cover plate automatically fold when opening, automatically flatten when closing.Of course, it can be understood that the motion mechanism 1 can also be applied to other technical fields, and the application range of the motion mechanism 1 is not limited in the utility model embodiment.

[0032] Specifically, as Figure 1 Shown, motion mechanism 1 includes driving piece 11, first moving piece 12, second moving piece 13, linkage assembly 14 and traction piece 15.Driving piece 11 is used to drive first moving piece 12 rotation, and first moving piece 12 is rotationally connected with driving piece 11.Linkage assembly 14 is used to drive first moving piece 12 and second moving piece 13 synchronous movement, and linkage assembly 14 is rotationally connected with first moving piece 12 and second moving piece 13 respectively.Traction piece 15 is used to restrict the movement range of linkage assembly 14, and traction piece 15 has opposite first end 151 and second end 152, first end 151 is fixedly arranged relative to driving piece 11, second end 152 is rotationally connected with linkage assembly 14, and the spacing between first end 151 and second end 152 is adjustable.

[0033] It can be understood that when motion mechanism 1 is applied to actual product, usually can be set on the product limit structure, to limit the rotation range of first moving piece 12, and determine the starting position and the end position of first moving piece 12, make starting position and end position correspond to two kinds of use state of product respectively, and further selected intermediate position in rotation range can correspond to more use state.Thus, by driving piece 11 drive first moving piece 12 rotation and the synchronous movement of second moving piece 13, can realize the automatic switching of use state of product.

[0034] For example, in some embodiments, motion mechanism 1 is applied to the cover plate of toilet.As Figure 1 Shown, at this time, second moving piece 13 is flattened relative to first moving piece 12, corresponding to the state that toilet cover plate is closed, when first moving piece 12 rotates, as Figure 2 Shown, at this time, second moving piece 13 can be gradually folded with the rotation of first moving piece 12 under the synergistic effect of linkage assembly 14 and traction piece 15, to make the front of toilet cover plate face the user, when first moving piece 12 moves to end position, as Figure 3As shown, at this time, the second moving part 13 is completely folded, corresponding to the state that the cover plate of the toilet is opened, and the front surface of the cover plate can serve as a backrest for the user to lean on when defecating, improving the comfort of using the toilet. Conversely, when the cover plate of the toilet is closed, the first moving part 12 can be reversely rotated from the terminal position back to the starting position, only by changing the driving direction of the driving part 11. When the first moving part 12 is reversely rotated, the second moving part 13 can be gradually flattened under the cooperation of the linkage assembly 14 and the traction part 15, and the closing of the cover plate is completed.

[0035] Specifically, the traction part 15 is used to limit the movement range of the linkage assembly 14, usually referring to limiting the rotation range of the linkage assembly 14 relative to the first moving part 12, so as to control the movement state of the second moving part 13 through the linkage assembly 14, so that the second moving part 13 can be folded or unfolded with the rotation of the first moving part 12. If the traction part 15 is not arranged in the movement mechanism 1, the linkage assembly 14 is prone to rotate unexpectedly under the action of gravity or other external forces, thereby causing the movement of the second moving part 13 to be uncontrollable and failing to achieve the expected effect. In order to achieve the limiting effect of the linkage assembly 14, the traction part 15 is arranged in the embodiments of the utility model, the first end 151 of the traction part 15 is fixedly arranged relative to the driving part 11, and the second end 152 is rotationally connected with the linkage assembly 14, and the linkage assembly 14 can be effectively limited by limiting the distance between the first end 151 and the second end 152. It should be noted that the first end 151 is fixedly arranged relative to the driving part 11, which does not mean that the first end 151 must be connected to the driving part 11. For example, as shown in Figure 1 The first end 151 can be arranged at a position spaced apart from the driving part 11, as long as the distance and orientation between the first end 151 and the driving part 11 do not change.

[0036] Specifically, the distance between the first end 151 and the second end 152 of the traction part 15 is adjustable, so that the movement mechanism 1 has good fault tolerance and flexibility when designed, especially when other components except the first moving part 12 are directly driven to move by external forces, the components of the movement mechanism 1 can still move normally, and the problem of being stuck and unable to move is not prone to occur. For example, in some embodiments, the movement mechanism 1 is applied to the cover plate of the toilet, considering that the user sometimes chooses to manually open the cover plate, when manually opening the cover plate, as shown in Figure 4 The user usually habitually turns up the cover plate, and then folds the cover plate to form Figure 3In the operation of turning up the cover plate, the user directly applies force to the second moving part 13, which drives the linkage assembly 14 and the first moving part 12 to move. Since the second moving part 13 has not been folded when it is turned up, the linkage assembly 14 needs to rotate anticlockwise by a certain angle to allow the second moving part 13 to move upwards in the unfolded state. At this time, if the distance between the first end 151 and the second end 152 is constant, the traction part 15 will resist the anticlockwise rotation of the linkage assembly 14, forming a self-locking phenomenon, which hinders the normal opening of the cover plate. The user must remove the self-locking through a specified operation to open the cover plate, which causes inconvenience in the manual operation of opening the cover plate.

[0037] By setting the distance between the first end 151 and the second end 152 of the traction part 15 to be adjustable, the above problem can be well avoided. When manually opening the cover plate, only the distance between the first end 151 and the second end 152 needs to be appropriately reduced to provide space for the rotation of the linkage assembly 14, so that the second moving part 13 can move smoothly and the cover plate can be smoothly opened, improving the operation convenience and being more in line with the operation habits of the user.

[0038] Optionally, to realize the adjustment of the distance between the first end 151 and the second end 152, in some embodiments, the traction part 15 can be set as a flexible part that can deform. For example, the traction part 15 can be a pull rope. When the pull rope is taut, it can have a restraining effect on the linkage assembly 14, and when the pull rope is slack, the distance between the first end 151 and the second end 152 can be arbitrarily reduced. In other embodiments, similarly, a flexible part for adjusting the distance can be arranged between the first end 151 and the second end 152, and the adjustment of the distance can be realized through the deformation of the flexible part. The above embodiments do not require manual operation when adjusting the distance, and have better operation convenience.

[0039] In some embodiments, the movement mechanism 1 includes a first adjusting part connected to the first end 151 and a second adjusting part connected to the second end 152. The first adjusting part is provided with at least one adjusting position, and the second adjusting part is connected to any one of the adjusting positions. For example, the first adjusting part can be a component with multiple clamping positions, and the second adjusting part is a buckle. By clamping the buckle in different clamping positions, the adjustment of the distance between the first end 151 and the second end 152 can be realized. For another example, the first adjusting part and the second adjusting part can also be telescopic rods that can be telescopically moved. By telescopically moving, the adjustment of the distance between the first end 151 and the second end 152 can be realized. It can be understood that there are multiple choices for the scheme of adjusting the distance between the first end 151 and the second end 152, and the design flexibility is high.

[0040] The utility model discloses a motion mechanism 1 provided by the embodiment, including drive piece 11, first moving part 12, second moving part 13, linkage assembly 14 and traction piece 15, drive piece 11 drive first moving part 12 rotation through adopting, linkage assembly 14 drive first moving part 12 and second moving part 13 synchronous movement, and traction piece 15 restricts the movement range of linkage assembly 14, and each component is coordinated and cooperated, can be realized when first moving part 12 rotates, folds or unfolds second moving part 13 relative to first moving part 12, and the structure design is ingenious. When the above motion mechanism 1 is applied to the cover plate of the toilet, can be realized when opening the cover plate, automatically folds, and the clean front of the cover plate is towards the user, makes the cover plate can serve as backrest to be leaned on for the user, alleviates the fatigue feeling of the user when using the toilet, improves the use experience of the toilet, and moreover, the cover plate can be automatically unfolded to cover the toilet basin mouth when closing, and the intelligent degree is higher. Meanwhile, through adopting the spacing between the opposite ends of traction piece 15 is set to be adjustable, can improve the fault tolerance and flexibility of motion mechanism 1 when moving, preferably prevents the problem that the component is jammed. In this way, the user manually turns over the toilet cover plate and is not prone to self-locking phenomenon, need not special operation to remove the self-locking and can smoothly turn over the cover plate, meets the demand of the user manual operation, and is more in line with the operation habit of the user, improves the convenience of operation.

[0041] In some embodiments, as shown in Figure 5 Optionally, in some embodiments, the traction piece 15 can be provided with only one, and each linkage assembly 14 is connected with the same traction piece 15, or the traction piece 15 is connected with one of the linkage assemblies 14; in other embodiments, the traction piece 15 can also be provided with a plurality of corresponding linkage assemblies 14, so that each linkage assembly 14 is connected with a different traction piece 15; in still other embodiments, the number of traction pieces 15 provided can be different from the number of linkage assemblies 14, and then part of the linkage assemblies 14 are connected with the same traction piece 15, and the other part of the linkage assemblies 14 are connected with different traction pieces 15. The above embodiments are connected with the first moving part 12 and the second moving part 13 by rotating through the setting of a plurality of linkage assemblies 14, which is conducive to improving the synchronization of the movement of the first moving part 12 and the second moving part 13, and can improve the structural strength and durability.

[0042] In some embodiments, as shown in Figure 5As shown, the first moving member 12 is provided with linkage assemblies 14 on opposite sides along the rotation axis direction of the first moving member 12, and each linkage assembly 14 is connected with a traction member 15. It can be understood that the traction member 15 in the above embodiment is provided with a plurality of linkage assemblies 14, and the first end 151 of each traction member 15 is fixedly arranged relative to the driving member 11, which can be arranged at the same or different positions. By using the above design, compared with only one linkage assembly 14 and traction member 15, the structural strength of the movement mechanism 1 can be improved, and the force balance is better.

[0043] In some embodiments, as shown in Figure 6 As shown, the linkage assembly 14 includes first linkage member 141 and second linkage member 142 arranged at intervals. The first linkage member 141 is rotatably connected with the first moving member 12, the second moving member 13 and the traction member 15, and the second linkage member 142 is rotatably connected with the first moving member 12 and the second moving member 13. Optionally, the first linkage member 141 and the second linkage member 142 can be connected with the first moving member 12 at the same position, or can be connected with the first moving member 12 at different positions. The same applies to the connection of the first linkage member 141 and the second linkage member 142 with the second moving member 13. In addition, the first linkage member 141 and / or the second linkage member 142 can be arranged as flexible components that can deform or components with adjustable size as needed. The above design scheme can be flexibly selected, and the specific selection shall be based on the ability to realize the synchronous movement of the first moving member 12 and the second moving member 13 and meet the expected movement effect.

[0044] In some embodiments, as shown in Figure 6 As shown, the first linkage member 141 is provided with a first connection site 161 for rotatable connection with the first moving member 12, a second connection site 162 for rotatable connection with the second moving member 13, and a third connection site 163 for rotatable connection with the traction member 15. The second linkage member 142 is provided with a fourth connection site 164 for rotatable connection with the first moving member 12 and a fifth connection site 165 for rotatable connection with the second moving member 13. The first connection site 161, the second connection site 162, the third connection site 163, the fourth connection site 164 and the fifth connection site 165 are arranged at intervals. It should be noted that the first connection site 161 and the fourth connection site 164 for rotatable connection with the first moving member 12 are two different positions, i.e., the first moving member 12 also has two different positions for connection with the first connection site 161 and the fourth connection site 164. Similarly, the second moving member 13 also has two different positions for connection with the second connection site 162 and the fifth connection site 165.

[0045] Specifically, when the movement mechanism 1 in the above embodiment starts to move from the initial position, as shown inFigures 1 to 3 As shown, the first moving part 12 rotates anticlockwise around the driving part 11, and drives the first linkage part 141 and the second linkage part 142 to move synchronously, meanwhile, under the action of gravity, the first linkage part 141 rotates clockwise around the first connecting site 161, the second linkage part 142 rotates clockwise around the fourth connecting site 164, and the pulling part 15 limits the rotation range of the first linkage part 141 through the third connecting site 163, so that the first linkage part 141 and the second linkage part 142 jointly drive the second moving part 13 to rotate clockwise, realizing the folding of the second moving part 13. When the moving mechanism 1 returns from the terminal position to the initial position, the above movement process is reversed. Through the above movement process, when the moving mechanism 1 is applied to the cover plate of the toilet bowl, the effect of automatic folding when the cover plate is opened and automatic flattening when the cover plate is closed can be realized, and the structure design is ingenious.

[0046] As shown in the drawings, Figure 7 The utility model embodiment further provides a cover plate assembly 2 applied to a toilet bowl, the cover plate assembly 2 comprising a first plate body 21, a second plate body 22 and the above-mentioned moving mechanism 1. Optionally, the first plate body 21 can be connected with the first moving part 12, or the first moving part 12 can be directly designed as the first plate body 21. Similarly, the second plate body 22 can be connected with the second moving part 13, or the second moving part 13 can be directly designed as the second plate body 22. Optionally, in some embodiments, the cover plate assembly 2 can further comprise a mounting seat 23 for mounting the driving part 11 and a cover 24 for covering and protecting the driving part 11, so as to improve the aesthetic appearance of the cover plate assembly 2 and the protection performance of the driving part 11.

[0047] The cover plate assembly 2 provided by the utility model embodiment can realize automatic lifting of the first plate body 21 under the driving action of the driving part 11, and automatically fold the second plate body 22 under the action of the linkage assembly 14 and the pulling part 15, so as to turn the second plate body 22 away from the clean surface of the toilet bowl towards the user, for the user to lean on when defecating, thereby reducing the fatigue of the user. When the first plate body 21 is closed, the second plate body 22 can be automatically flattened to cover the toilet bowl, without the need for manual operation to unfold the folded second plate body 22, so as to be convenient to use. In addition, when the user manually lifts the cover plate assembly 2, since the spacing between the opposite ends of the pulling part 15 is adjustable, the self-locking phenomenon can be well avoided, and the user can smoothly lift the cover plate. Therefore, the cover plate assembly 2 can realize automatic opening or closing, and can also meet the needs of manual opening or closing of the user, so as to have good use experience.

[0048] As shown in the drawings, Figure 8As shown, the utility model embodiment further provides a toilet 3, including body 31 and above-mentioned cover plate assembly 2, body 31 is connected at least with driving part 11. For example, can set up mounting seat 23 (refer to Figure 7 As shown) on body 31, connect driving part 11 on mounting seat 23, or when mounting seat 23 is arranged on cover plate assembly 2, body 31 can be connected and fixed driving part 11 by connecting mounting seat 23.

[0049] The toilet 3 provided by the utility model embodiment, because of adopting above-mentioned cover plate assembly 2, cover plate assembly 2 can realize automatic opening or closing, also can satisfy the demand of manual opening or closing of user, therefore, the intelligent degree of toilet 3 is high, and operation is simple and convenient, and better use experience is had.

[0050] Some embodiments, as shown in Figure 9 Toilet 3 further includes moving assembly 32 for driving body 31 to move, and moving assembly 32 is connected to body 31. In some embodiments, moving assembly 32 can be composed of universal wheels and the like. The toilet 3 provided by the utility model embodiment can not only be a toilet fixedly installed in a bathroom, but also can be designed into a movable toilet by arranging moving assembly 32 on body 31, so that the toilet 3 can be moved to a position to be used or automatically moved to a position to be used, so that the user does not need to move to the bathroom, and the toilet 3 is more suitable for use by the elderly, the disabled and other users with limited mobility. It can be understood that when the toilet 3 is a movable toilet, the toilet 3 can also be used as a seat by folding the cover plate assembly 2 into a backrest, so that the user can sit down and rest, or the toilet 3 can be made into a nursing device for daily nursing of people with limited mobility. The toilet 3 has a wide range of application scenarios, high practicality, good use experience and high design flexibility.

[0051] Some embodiments, as shown in Figure 8 And Figure 9 Toilet 3 further includes handrails 33, which can be used by the user to hold on before and after using the toilet, so that the user can sit down or stand up. In combination with the design that the cover plate assembly 2 can be folded into a backrest for the user to lean against, the use experience can be further improved.

[0052] The above only describes preferred embodiments of the utility model, and is not intended to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A motion mechanism characterized by, The utility model relates to a cover plate assembly and a toilet bowl comprising the same. The cover plate assembly comprises: a driving member; a first moving member rotatably connected with the driving member, the driving member being configured to drive the first moving member to rotate; a second moving member; a linkage assembly configured to drive the first moving member and the second moving member to move synchronously, the linkage assembly being rotatably connected with the first moving member and the second moving member respectively; a traction member configured to restrict the movement range of the linkage assembly, the traction member having opposite first and second ends, the first end being fixedly arranged relative to the driving member, and the second end being rotatably connected with the linkage assembly; 2. The motion mechanism of claim 1, wherein, wherein the distance between the first end and the second end is adjustable.

3. The motion mechanism of claim 1, wherein, The traction member is a flexible member, or a flexible portion is arranged between the first end and the second end for adjusting the distance. The movement mechanism further comprises: a first adjusting member connected with the first end, the first adjusting member being provided with at least one adjusting position; 4. The motion mechanism of claim 1, wherein, a second adjusting member connected with the second end and connected with any one of the adjusting positions.

5. The motion mechanism of claim 4, wherein, The linkage assembly is provided in plurality, each of the linkage assemblies being rotatably connected with the first moving member and the second moving member; at least one of the linkage assemblies is connected with the traction member. Along the direction of the rotation axis of the first moving member, opposite sides of the first moving member are respectively provided with the linkage assemblies; 6. The motion mechanism of any one of claims 1 to 5, wherein, wherein each of the linkage assemblies is connected with the traction member. The linkage assembly comprises: a first linkage member rotatably connected with the first moving member, the second moving member and the traction member respectively; a second linkage member rotatably connected with the first moving member and the second moving member respectively; 7. The motion mechanism of claim 6, wherein, wherein the first linkage member and the second linkage member are arranged in interval. The first linkage member is provided with a first connecting position for being rotatably connected with the first moving member, a second connecting position for being rotatably connected with the second moving member and a third connecting position for being rotatably connected with the traction member; the second linkage member is provided with a fourth connecting position for being rotatably connected with the first moving member and a fifth connecting position for being rotatably connected with the second moving member; 8. A cover plate assembly for use in a toilet bowl, characterized by wherein the first connecting position, the second connecting position, the third connecting position, the fourth connecting position and the fifth connecting position are arranged in interval. The cover plate assembly comprises a first plate body, a second plate body and a movement mechanism as claimed in any one of claims 1 to 7; 9. A toilet bowl characterized by wherein the first plate body is connected with the first moving member, or the first moving member is the first plate body; and the second plate body is connected with the second moving member, or the second moving member is the second plate body.

10. The toilet bowl as claimed in claim 9, wherein The toilet bowl comprises a body and the cover plate assembly as claimed in claim 8, the body being connected with at least the driving member. The toilet bowl further comprises: a moving assembly configured to drive the body to move, the moving assembly being connected with the body.

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