Torque booster for toilet cover and toilet

Abstract

The present invention discloses a torque booster for a toilet cover and a toilet, comprising a shell assembly and a rotating shaft assembly, wherein the rotating shaft assembly and the shell assembly are relatively rotated in cooperation; the rotating shaft assembly is provided with an elastic member, one end of the elastic member is matched with the rotating shaft assembly, and the other end of the elastic member is matched with the shell assembly, the elastic member is elastically deformed when the rotating shaft assembly rotates forward, and the elastic member is elastically reset and provides assistance for the reversal of the rotating shaft assembly when the rotating shaft assembly is reversed; and a rolling member is provided between the rotating shaft assembly and the shell assembly, and the rolling member is driven to roll during the relative rotation of the rotating shaft assembly and the shell assembly, so that the rotating shaft assembly and the shell assembly are rollingly matched during relative rotation, thereby reducing friction, which is not only simple and compact in structure, but also makes the flipping process of the toilet cover more stable and reliable.

Description

Technical Field

[0001] The invention relates to a torque booster for a toilet cover and a toilet. Background Art

[0002] Some existing toilet covers have an automatic flip function, which is usually equipped with a gear box. The motor in the gear box drives the shaft to rotate, and the shaft then drives the toilet cover to flip. However, when the toilet cover is heavy, the gear box is easily damaged due to overload due to excessive load. Therefore, in the prior art, some automatic flip toilet covers are equipped with a power-assisted torsion spring mechanism, which can apply torque to the shaft to assist in flipping the cover during the flipping process, thereby avoiding the problem of excessive gear box load. However, the existing power-assisted torsion spring mechanism is complex and not compact enough, and the flipping process of the toilet cover is relatively unstable. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a torque booster for a toilet cover and a toilet, which not only has a simple and compact structure, but also makes the flipping process of the toilet cover more stable and reliable.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A torque booster for a toilet cover comprises a shell assembly (10) and a rotating shaft assembly (20), wherein the rotating shaft assembly (20) and the shell assembly (10) are relatively rotated together; the rotating shaft assembly (20) is provided with an elastic member (23), one end of the elastic member (23) is matched with the rotating shaft assembly (20), and the other end of the elastic member (23) is matched with the shell assembly (10); when the rotating shaft assembly (20) rotates forward, the elastic member (23) is elastically deformed; when the rotating shaft assembly (20) rotates reversely, the elastic member (23) is elastically reset and provides assistance for the reverse rotation of the rotating shaft assembly (20); and a rolling member (30) is provided between the rotating shaft assembly (20) and the shell assembly (10), and the rolling member (30) is driven to roll during the relative rotation of the rotating shaft assembly (20) and the shell assembly (10).

[0006] Preferably, the housing assembly (10) has a hollow inner cavity (11), a portion of the rotating shaft assembly (20) is located in the inner cavity (11), and another portion extends out of the inner cavity (11), and the elastic member (23) and the rolling member (30) are arranged in the inner cavity (11).

[0007] Preferably, the inner cavity (11) is filled with lubricating oil, the elastic member (23) is in contact with the lubricating oil, and the rolling member (30) is lubricated and matched with the housing assembly (10) and / or the rotating shaft assembly (20) through the lubricating oil when rolling.

[0008] Preferably, the housing assembly (10) comprises a sleeve (12), a first end (13), and a second end (14), wherein the first end (13) and the second end (14) are sealed and fitted at both ends of the sleeve (12) to form the inner cavity (11); the rolling element (30) comprises a first rolling element and a second rolling element, wherein the first rolling element is arranged between the rotating shaft assembly (20) and the first end (13), and the second rolling element is arranged between the rotating shaft assembly (20) and the second end (14).

[0009] Preferably, the portion of the rotating shaft assembly (20) located in the inner cavity (11) has a first flange (21) and a second flange (22) protruding radially outward, the first rolling element is provided between the first flange (21) and the first end (13), and the second rolling element is provided between the second flange (22) and the second end (14); the rotating shaft assembly (20) extends out of the inner cavity (11) via a through hole provided on the first end (13) or the second end (14).

[0010] Preferably, the first rolling member is a plurality of ball bearings, a first rolling member fixing plate (131) is provided on the first end portion (13), the first rolling member is rollingly mounted on the positioning hole on the first rolling member fixing plate (131), the first rolling member fixing plate (131) and the first rolling member fixing plate (131) are circumferentially limited or fixedly connected with the first end portion (13); and / or, the second rolling member is a plurality of ball bearings, a second rolling member fixing plate (141) is provided on the second end portion (14), the second rolling member is rollingly mounted on the positioning hole on the second rolling member fixing plate (141), the second rolling member fixing plate (141) and the second end portion (14) are circumferentially limited or fixedly connected with the second end portion (14).

[0011] Preferably, the elastic member (23) is a torsion spring, and the torsion spring is sleeved on a portion of the shaft assembly (20) located between the first flange (21) and the second flange (22).

[0012] Preferably, at least one of the first flange (21) and the second flange (22) is detachably connected to the rotating shaft assembly (20).

[0013] Preferably, the two axial ends of the sleeve (12) have a first opening and a second opening communicating with the inner cavity (11), the first end portion (13) is detachably covered at the first opening of the sleeve (12), and the second end portion (14) is detachably covered at the second opening of the sleeve (12).

[0014] Preferably, a limiting mechanism for limiting the rotation angle is further provided between the shell assembly (10) and the rotating shaft assembly (20); the limiting mechanism comprises a limiting block (123) and a limiting groove (24) which cooperate with each other in limiting manner, the limiting block (123) being provided on one of the inner wall of the shell assembly (10) and the outer wall of the rotating shaft assembly (20), and the limiting groove (24) being provided on the other of the inner wall of the shell assembly (10) and the outer wall of the rotating shaft assembly (20).

[0015] Preferably, when the toilet cover is flipped in the closing direction, the shaft assembly (20) rotates forward relative to the shell assembly (10) and causes the elastic member (23) to elastically deform; when the toilet cover is flipped in the opening direction, the shaft assembly (20) rotates reversely relative to the shell assembly (10), and the elastic member (23) applies a force to the toilet cover in the opening direction through elastic resetting.

[0016] In addition, the present invention further provides a toilet, including a toilet cover, on which the torque booster described in any one of the above items is provided.

[0017] Furthermore, it also includes an electric control driver for controlling the opening and closing of the toilet cover, the electric control driver and the torque booster are independently arranged, and the torque booster applies a force to the toilet cover in the opening direction.

[0018] The beneficial effects of the present invention are:

[0019] (1) The present invention provides assistance to the rotation of the shaft assembly through an elastic member, and arranges a rolling member between the shaft assembly and the housing assembly, so that the shaft assembly and the housing assembly can roll together when they rotate relative to each other, thereby reducing friction. Not only is the structure simple and compact, but the toilet cover flipping process is also more stable and reliable.

[0020] (2) The elastic member and the rolling member of the present invention are both arranged in the inner cavity of the housing filled with lubricating oil. During the relative rotation of the shaft assembly and the housing assembly, the rolling member is lubricated and matched with the housing assembly and the shaft assembly under the action of the lubricating oil, and the rotation is smoother. The elastic member is in contact with the lubricating oil, which can reduce friction, reduce noise, and increase the service life of the elastic member.

[0021] (3) The rolling element of the present invention comprises a first rolling element and a second rolling element, wherein the first rolling element is arranged between the rotating shaft assembly and the first end portion, and the second rolling element is arranged between the rotating shaft assembly and the second end portion, so that the rotation process is more stable;

[0022] (4) The rolling element of the present invention is arranged between the first flange of the shaft assembly and the first end of the housing assembly, and between the second flange of the shaft assembly and the second end of the housing assembly, so as to achieve rolling fit of the end faces, and the structure is more reliable;

[0023] (5) A limit groove and a limit block for limiting the rotation angle are provided between the shell assembly and the shaft assembly of the present invention. Through the limit cooperation between the two, the toilet cover can be limited to the required use angle range when opened, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the torque booster used for the toilet cover of the present invention;

[0026] Figure 2 It is a schematic diagram of the exploded structure of the torque booster for the toilet cover of the present invention;

[0027] Figure 3 It is a side structural schematic diagram of the torque booster used for the toilet cover of the present invention;

[0028] Figure 4 for Figure 3 AA section structure diagram;

[0029] Figure 5 for Figure 3 BB cross-sectional structure diagram;

[0030] Figure 6 A ball installation structure diagram of the first end portion of the torque booster for the toilet cover of the present invention;

[0031] Figure 7 A ball installation structure diagram of the second end portion of the torque booster for the toilet cover of the present invention;

[0032] In the figure:

[0033] 10-housing assembly;

[0034] 11-Inner cavity;

[0035] 12-sleeve; 123-limiting block;

[0036] 13-first end portion (sealing cover); 131-first rolling element fixing plate;

[0037] 14-second end portion (fixed plate); 141-second rolling element fixed plate;

[0038] 20-shaft assembly; 21-first flange (separable from the shaft); 211-sealing pad; 22-second flange (fixed to the shaft); 221-sealing ring; 23-elastic member (torsion spring); 24-limiting groove;

[0039] 30-Rolling element (ball). DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] like Figure 1 and Figure 2 As shown, a torque booster for a toilet cover of the present invention comprises a shell assembly 10 and a shaft assembly 20, and the shaft assembly 20 cooperates with the shell assembly 10 for relative rotation; the shaft assembly 20 is provided with an elastic member 23, one end of the elastic member 23 cooperates with the shaft assembly 20, and the other end of the elastic member 23 cooperates with the shell assembly 10, and the elastic member 23 elastically deforms when the shaft assembly 20 rotates forward, and the elastic member 23 elastically resets and provides assistance for the reversal of the shaft assembly 20 when the shaft assembly 20 reverses; and a rolling member 30 is provided between the shaft assembly 20 and the shell assembly 10, and the rolling member 30 is driven to roll during the relative rotation of the shaft assembly 20 and the shell assembly 10.

[0042] like Figure 2 and Figure 5 As shown, the shell assembly 10 includes a sleeve 12, a first end 13, and a second end 14. The sleeve 12 of the shell assembly 10 has a hollow inner cavity 11, and the two axial ends of the sleeve 12 have a first opening and a second opening that communicate with the inner cavity 11. The first end 13 can be detachably covered at the first opening of the sleeve 12, and the second end 14 can be detachably covered at the second opening of the sleeve 12.

[0043] Part of the shaft assembly 20 is located in the inner cavity 11, and the other part extends out of the inner cavity 11. Specifically, the part of the shaft assembly 20 located in the inner cavity 11 has a first flange 21 and a second flange 22 protruding radially outward, and the rolling element 30 includes a first rolling element and a second rolling element. The first rolling element is provided between the first flange 21 and the first end 13, and the first flange 21 is rolling-matched with the first end 13 through the first rolling element. The second rolling element is provided between the second flange 22 and the second end 14, and the second flange 22 is rolling-matched with the second end 14 through the second rolling element. The shaft assembly 20 extends out of the inner cavity 11 through the through hole provided on the first end 13 or the second end 14. In this embodiment, a sealing gasket 211 is further provided between the first open end of the sleeve 12 and the first end 13, and a sealing ring 221 is further provided between the second open end of the sleeve 12 and the second end 14, so as to seal the lubricating oil in the inner cavity 11.

[0044] In this embodiment, the elastic member 23 and the rolling member 30 are arranged in the inner cavity 11, and the inner cavity 11 is filled with lubricating oil, the elastic member 23 is in contact with the lubricating oil, and the rolling member 30 is lubricated with the housing assembly 10 and / or the shaft assembly 20 through the lubricating oil when rolling. The first end 13 and the second end 14 are sealed and matched with the two ends of the sleeve 12 to form the inner cavity 11.

[0045] Preferably, the elastic member 23 is a torsion spring, which is sleeved on a portion of the shaft assembly 20 between the first flange 21 and the second flange 22. At least one of the first flange 21 and the second flange 22 is detachably connected to the shaft assembly 20.

[0046] Specifically, Figure 6 and Figure 7 As shown, the first rolling member is a plurality of balls, a first rolling member fixing plate 131 is provided on the first end 13, the first rolling member is rollingly attached to the positioning hole on the first rolling member fixing plate 131, and the first rolling member fixing plate 131 is circumferentially limited or fixedly connected with the first end 13. And / or, the second rolling member is a plurality of balls, a second rolling member fixing plate 141 is provided on the second end 14, the second rolling member is rollingly attached to the positioning hole on the second rolling member fixing plate 141, and the second rolling member fixing plate 141 is circumferentially limited or fixedly connected with the second end 14. Of course, the rolling member can also be selected as a roller structure, the first rolling member and the second rolling member are both rollers; or, the first rolling member is a ball and the second rolling member is a roller; or, the first rolling member is a roller and the second rolling member is a ball.

[0047] In this embodiment, the first end 13 adopts a sealing cover, and the second end 14 adopts a fixing plate. The fixing plate and the sealing cover are locked and connected with the locking holes at both ends of the sleeve 12 by screws or other means, and the first rolling member fixing plate 131 and the first end 13 (sealing cover) and the second rolling member fixing plate 141 and the second end 14 (fixing plate) can be connected by welding, clamping or other connection methods to limit the ball.

[0048] like Figure 3 and Figure 4 As shown, a limiting mechanism for limiting the rotation angle is also provided between the shell assembly 10 and the rotating shaft assembly 20; the limiting mechanism includes a limiting block 123 and a limiting groove 24 that cooperate with each other, the limiting block 123 is provided on one of the inner wall of the shell assembly 10 and the outer wall of the rotating shaft assembly 20, and the limiting groove 24 is provided on the other of the inner wall of the shell assembly 10 and the outer wall of the rotating shaft assembly 20.

[0049] In this embodiment, when the toilet cover is flipped in the closing direction, the shaft assembly 20 rotates forward relative to the shell assembly 10 and causes the elastic member 23 to elastically deform; when the toilet cover is flipped in the opening direction, the shaft assembly 20 reverses relative to the shell assembly 10, and the elastic member 23 applies a force to the toilet cover in the opening direction through elastic resetting.

[0050] In addition, the present invention further provides a toilet, comprising a toilet cover, on which the torque booster described in any one of the above items is provided. In this embodiment, an electric control driver for controlling the opening and closing of the toilet cover is further provided, wherein the electric control driver and the torque booster are independently provided, and the torque booster applies a force to the toilet cover in the opening direction.

[0051] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A torque booster for a toilet cover, comprising a housing assembly (10) and a shaft assembly (20), wherein the shaft assembly (20) and the housing assembly (10) are in relative rotational cooperation; characterized in that: The rotating shaft assembly (20) is provided with an elastic member (23), one end of the elastic member (23) cooperates with the rotating shaft assembly (20), and the other end of the elastic member (23) cooperates with the housing assembly (10); when the rotating shaft assembly (20) rotates forward, the elastic member (23) elastically deforms; when the rotating shaft assembly (20) rotates reversely, the elastic member (23) elastically resets and provides assistance for the reverse rotation of the rotating shaft assembly (20); and a rolling member (30) is provided between the rotating shaft assembly (20) and the housing assembly (10); during the relative rotation of the rotating shaft assembly (20) and the housing assembly (10), the elastic member (23) is deformed elastically. The housing assembly (10) drives the rolling element (30) to roll during the rotation process; the housing assembly (10) has a hollow inner cavity (11); the housing assembly (10) further comprises a sleeve (12), a first end portion (13), and a second end portion (14); the first end portion (13) and the second end portion (14) are sealed and matched at two ends of the sleeve (12) to form the inner cavity (11); the rolling element (30) comprises a first rolling element and a second rolling element, the first rolling element is arranged between the rotating shaft assembly (20) and the first end portion (13), and the second rolling element is arranged between the rotating shaft assembly (20) and the second end portion (14).

2. A torque booster for a toilet cover according to claim 1, characterized in that: A portion of the rotating shaft assembly (20) is located in the inner cavity (11), and another portion extends out of the inner cavity (11); the elastic member (23) and the rolling member (30) are disposed in the inner cavity (11).

3. A torque booster for a toilet cover according to claim 2, characterized in that: The inner cavity (11) is filled with lubricating oil, the elastic member (23) is in contact with the lubricating oil, and the rolling member (30) is lubricated and matched with the housing assembly (10) and / or the rotating shaft assembly (20) through the lubricating oil when rolling.

4. The torque booster for a toilet cover according to claim 1, characterized in that: The portion of the rotating shaft assembly (20) located in the inner cavity (11) comprises a first flange (21) and a second flange (22) protruding radially outward; the first rolling element is arranged between the first flange (21) and the first end (13); and the second rolling element is arranged between the second flange (22) and the second end (14); the rotating shaft assembly (20) extends out of the inner cavity (11) via a through hole provided on the first end (13) or the second end (14).

5. The torque booster for a toilet cover according to claim 1, characterized in that: The first rolling member is a plurality of ball bearings, a first rolling member fixing plate (131) is provided on the first end portion (13), the first rolling member is rollingly mounted in a positioning hole on the first rolling member fixing plate (131), the first rolling member fixing plate (131) and the first rolling member fixing plate (131) are circumferentially limited or fixedly connected with the first end portion (13); and / or the second rolling member is a plurality of ball bearings, a second rolling member fixing plate (141) is provided on the second end portion (14), the second rolling member is rollingly mounted in a positioning hole on the second rolling member fixing plate (141), the second rolling member fixing plate (141) and the second end portion (14) are circumferentially limited or fixedly connected with the second end portion (14).

6. The torque booster for a toilet cover according to claim 4, characterized in that: The elastic member (23) is a torsion spring, and the torsion spring is sleeved on a portion of the rotating shaft assembly (20) located between the first flange (21) and the second flange (22).

7. The torque booster for a toilet cover according to claim 4, characterized in that: At least one of the first flange (21) and the second flange (22) is detachably connected to the rotating shaft assembly (20).

8. The torque booster for a toilet cover according to claim 1, characterized in that: The sleeve (12) has a first opening and a second opening at both ends in the axial direction, which are communicated with the inner cavity (11); the first end (13) is detachably covered on the first opening of the sleeve (12); and the second end (14) is detachably covered on the second opening of the sleeve (12).

9. The torque booster for a toilet cover according to claim 1, characterized in that: A limiting mechanism for limiting the rotation angle is also provided between the housing assembly (10) and the rotating shaft assembly (20); the limiting mechanism comprises a limiting block (123) and a limiting groove (24) which cooperate with each other in limiting position; the limiting block (123) is provided on one of the inner wall of the housing assembly (10) and the outer wall of the rotating shaft assembly (20); and the limiting groove (24) is provided on the other of the inner wall of the housing assembly (10) and the outer wall of the rotating shaft assembly (20).

10. The torque booster for a toilet cover according to claim 1, characterized in that: When the toilet cover is flipped in the closing direction, the rotating shaft assembly (20) rotates forward relative to the shell assembly (10) and causes the elastic member (23) to deform elastically; when the toilet cover is flipped in the opening direction, the rotating shaft assembly (20) rotates reversely relative to the shell assembly (10), and the elastic member (23) applies a force to the toilet cover in the opening direction through elastic resetting.

11. A toilet, comprising a toilet cover, characterized in that: The toilet cover is provided with a torque booster as claimed in any one of claims 1 to 10.

12. The toilet according to claim 11, characterized in that: It also includes an electric control driver for controlling the opening and closing of the toilet cover. The electric control driver and the torque booster are independently arranged, and the torque booster applies a force to the toilet cover in the opening direction.

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