Overflow drainage device and bathtub with same
By designing an integrated overflow drainage device and using sealing rings and floats to achieve automatic control, the problem of separate installation of drainage devices and anti-overflow devices in existing bathtubs is solved, achieving space saving, easy installation and low cost effects.
Patent Information
- Application Number
- CN202420935696.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The drainage device and the anti-overflow device of the existing bathtub are installed separately, which takes up a lot of space, is troublesome to install and has high production costs.
An integrated overflow drainage device is designed, including an outer shell, a central shaft and a lifting device, and automatic control of overflow and drainage is achieved through sealing rings and floats, integrated into the bathtub.
The integration of overflow and drainage functions is achieved, reducing space consumption, simplifying the installation process and reducing production costs.
Smart Images

Figure CN222847476U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an overflow drainage device and a bathtub with the device. Background Art
[0002] A bathtub is one of the essential devices in modern homes, and mainly includes a bathtub body, a drainage device arranged at the bottom of the bathtub body and used for drainage, and an anti-overflow device arranged on the side wall of the bathtub body and used for preventing the water in the bathtub from overflowing to the outside of the bathtub body. Among them, the drainage device and the anti-overflow device are installed separately, which not only occupies a large space, but also is troublesome to install and has a high production cost; therefore, the existing technology needs to be improved and developed. Summary of the invention
[0003] In view of the shortcomings existing in the above problems, the utility model provides an overflow drainage device and a bathtub having the device.
[0004] To achieve the above-mentioned purpose, on the one hand, the utility model provides an overflow drainage device, including an outer shell, wherein a water outlet and a water inlet are respectively provided at the lower end of the outer shell, a central axis and a lifting device are provided in the outer shell, the lower end of the central axis is connected to a sealing ring through a connecting seat, the lifting device is connected to the central axis and is used to drive the central axis to move axially, and the sealing ring opens and closes the water outlet as the central axis moves; a drainage port is provided on the connecting seat, an outer cylinder is slidingly provided outside the central axis, a float is provided outside the outer cylinder, and a sealing ring 2 is provided at the lower end; the float has an initial state and a floating state, when the float is in the initial state, the lower wall surface of the sealing ring 2 abuts against the wall surface of the connecting seat 1 to seal the drainage port; when the float is in the floating state, the lower wall surface of the sealing ring 2 is away from the connecting seat 1.
[0005] Furthermore, the lifting device includes a lower mounting seat and a lifting assembly, the lower mounting seat is clamped in the water outlet of the outer shell, a first sealing ring is provided between the lower mounting seat and the water outlet, and a second drain outlet is provided on the lower mounting seat.
[0006] Furthermore, a guide piece is fixedly connected to the lower mounting seat, a guide cavity is provided in the guide piece, a guide rod is fixedly provided at the lower end of the central axis corresponding to the guide cavity, a vertical limiting groove is provided on the side wall of the guide piece, and a limiting protrusion used in conjunction with the limiting groove is provided on the guide rod; an upper mounting seat for installing a lifting assembly is provided at the upper end of the outer shell, and the lifting assembly includes a driving piece, a transmission piece, and a connecting piece, one end of the connecting piece is connected to the central axis, and the other end is connected to the transmission piece; the driving piece and the transmission piece cooperate to control the guide rod to slide up and down in the guide cavity, and at the same time drive the central axis to move up and down.
[0007] Furthermore, the driving member is a rotating cover, the transmission member is a rotating shaft, and it is divided into three sections: upper, middle and lower; the connecting member is divided into an upper threaded barrel and a lower threaded rod; the upper section of the rotating shaft is fixedly connected to the rotating cover by a pin, the middle section is clearance-matched with the upper mounting seat, the lower section of the rotating shaft is threadedly connected to the inner wall surface of the upper threaded barrel, the lower threaded rod is threadedly connected to the middle shaft, and the two are fixed by a first locking nut.
[0008] Furthermore, a fixed cover is fixed on the upper end of the upper mounting seat, and a notch is provided on the upper end of the fixed cover. The driving member is a swinging member, one end of the swinging member is hinged to the inner wall of the fixed cover, and the other end extends to the outside of the fixed cover through the notch. The transmission member is an S-shaped hook, one end of the S-shaped hook is rotatably connected to the lower wall surface of the middle section of the swinging member, and the other end is rotatably connected to the upper end of the connecting member. The connecting member is a straight rod member, the lower section of the straight rod member is threadedly connected to the central axis, and the two are fixed by a second locking nut.
[0009] Furthermore, a limiting portion is vertically provided in the upper mounting seat, and the upper section of the straight rod is movably disposed in the limiting portion, and the axes of the limiting portion, the straight rod, the central axis, the guide rod, and the guide cavity are parallel.
[0010] Furthermore, the lifting assembly includes a pressing piece and a spring piece, the pressing piece is arranged at the opening at the upper end of the outer shell, the lower end of the pressing piece is threadedly connected to the central axis, and the two are fixed by a third fixing nut, one end of the spring piece is fixedly connected to the lower end of the central axis, and the other end is inserted into the lower mounting seat, the pressing piece and the spring piece cooperate to drive the central axis to move up and down.
[0011] Furthermore, the outer cylinder is provided with a threaded portion, the float is threadedly connected to the threaded portion, and the two are fixed by a fourth fixing nut.
[0012] Furthermore, the outer shell is divided into an upper shell and a lower shell, and the upper shell and the lower shell are connected by threads.
[0013] Furthermore, the outer shell is provided with a decorative cover, a storage plate is provided above the decorative cover, a faucet tube is provided inside, a faucet assembly connected to the faucet tube is provided on the storage plate, and a protective cover is provided below the outer wall of the decorative cover.
[0014] On the other hand, the utility model provides a bathtub, comprising the above overflow drainage device.
[0015] The beneficial effects of the utility model compared with the prior art are as follows: the utility model optimizes the internal structure, integrates overflow and drainage functions, can reduce the space occupied by the bathtub, and has a simple overall structure, low cost and easy installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1This is a schematic diagram of the structure of the first embodiment of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the second embodiment of the present utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the third embodiment of the present utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the fourth embodiment of the present utility model;
[0020] Figure 5 This is a schematic diagram of the structure of Embodiment 5 of the present utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the sixth embodiment of the present utility model. DETAILED DESCRIPTION
[0022] Embodiment 1: Figure 1 As shown, an overflow drainage device of an embodiment of the utility model includes an outer shell 6, and a water outlet 61 and a water inlet 62 are respectively provided at the lower end of the outer shell 6. A central axis 7 and a lifting device are provided in the outer shell 6. The lower end of the central axis 7 is connected to a sealing ring 9 through a connecting seat 8. The outer shell 6 is provided with an annular recess 63 corresponding to the sealing ring 9. The annular recess 63 is arranged below the water inlet 62. The lifting device is connected to the central axis 7 and is used to drive the central axis 7 to move axially. The sealing ring 9 moves with the central axis 7 away from or close to the annular recess 63, thereby opening and closing the water outlet 61.
[0023] Furthermore, if Figure 1 As shown, the lifting device in this embodiment includes a lower mounting seat 13 and a lifting assembly 18, and a drain outlet 131 is provided on the lower mounting seat 13; at the same time, a limiting protrusion 64 is provided on the inner wall surface of the water outlet 61, and a limiting groove 132 is provided on the outer wall surface of the lower mounting seat 13. The lower mounting seat 13 is clamped in the water outlet 61 of the outer shell 6 through the limiting groove 132 and the limiting protrusion 64. A first sealing ring 14 is provided between the lower mounting seat 13 and the water outlet 61. The first sealing ring 14 can improve the sealing between the outer wall surface of the lower mounting seat 13 and the inner wall of the water outlet 61.
[0024] Furthermore, if Figure 1 As shown, in this embodiment, a guide member 15 is fixedly connected to the lower mounting seat 13, and a guide cavity 151 is provided in the guide member 15. A guide rod 16 is fixedly provided at the lower end of the central axis 7 corresponding to the guide cavity 151, and the guide rod 16 is configured to slide up and down in the guide cavity 151 along with the central axis 7; at the same time, a vertical limiting groove 152 is provided on the side wall of the guide member 15, and a limiting protrusion 161 is provided on the guide rod 16. The limiting protrusion 161 cooperates with the limiting groove 152 to limit the guide rod 16 to only slide up and down in the axial direction in the guide cavity 151.
[0025] Furthermore, if Figure 1 As shown, in this embodiment, the upper end of the outer shell 6 is provided with an upper mounting seat 17 for mounting a lifting assembly 18. The lifting assembly 18 includes a driving member, a transmission member, and a connecting member, wherein the driving member is a rotating cover 19, the transmission member is a rotating shaft 20, and it is divided into three sections: upper, middle and lower. The connecting member is divided into an upper screw-connected barrel portion 211 and a lower screw-connected rod portion 212. The upper section of the rotating shaft 20 is fixedly connected to the rotating cover 19 through a pin, and the middle section is clearance-matched with the upper mounting seat 17. The lower section of the rotating shaft 20 is threadedly connected to the inner wall surface of the upper screw-connected barrel portion 211, and the lower screw-connected rod portion 212 is threadedly connected to the middle shaft 7. The two are fixed by the first locking nut 22; when draining water, the rotary cover 19 is rotated, and the rotating shaft 20 and the rotary cover 19 rotate synchronously, so that the upper threaded barrel 321 of the connecting piece moves upward due to the pressure of the threads, driving the central axis 7 to move upward, and the sealing ring 9 moves with the central axis 7 away from the annular recess 63, thereby opening the water outlet 61; when drainage is not required, the rotary cover 19 is rotated in the opposite direction, and the upper threaded barrel 321 moves downward due to the pressure of the threads, driving the central axis 7 to move downward, and the sealing ring 9 moves with the central axis 7 to press against the annular recess 63, thereby blocking the water outlet 61.
[0026] Furthermore, if Figure 1 As shown, in this embodiment, a drain port 81 is provided on the connection seat 8, an outer cylinder 10 is slidably provided outside the central axis 7, a threaded portion 101 is provided on the outer cylinder 10, a float 11 is threadedly connected to the threaded portion 101, and the two are fixed by a fourth fixing nut 31, the size of the float 11 can be designed according to actual needs, and the installation height of the float 11 can be adjusted according to the actual height of the bathtub; a sealing ring 12 is provided at the lower end of the outer cylinder 10, and the float 11 has an initial state and a floating state. When the float 11 is in the initial state, the lower wall surface of the sealing ring 12 is in contact with the connection seat 1 8 is abutted against the wall surface and is used to block the drain port 81; when the liquid in the outer shell 6 rises, the float 11 moves upward under the buoyancy of the liquid, that is, the float 11 is in a floating state, and the sealing ring 12 moves upward synchronously with the float 11 and the outer cylinder 10, so that the lower wall surface of the sealing ring 12 is away from the connecting seat 8, and the water inlet 62, the drain port 81 and the water outlet 61 are connected. After the liquid in the outer shell 6 is discharged outward through the drain port 81 and the water outlet 61, the float 11 moves downward as the liquid level in the outer shell 6 drops until the sealing ring 12 blocks the drain port 81.
[0027] Embodiment 2: Figure 2 As shown, a bathtub of an embodiment of the utility model includes the overflow drainage device 5 in the first embodiment, and also includes a bathtub body 1, a lower cup body 2 connected to the water outlet of the bathtub body 1, a water pipe 3 connecting the lower cup body 2 and the water inlet 62, and a water stopper 4 arranged in the lower cup body 2. The overflow drainage device 5 is fixed to the bottom surface of the bathroom through a mounting frame. The mounting frame is an existing structure and is not drawn in the figure.
[0028] Embodiment 3: Figure 3 As shown, the difference between this embodiment and the first embodiment is that the outer shell 6 in this embodiment is divided into an upper shell 6-1 and a lower shell 6-2, and the upper shell 6-1 and the lower shell 6-2 are connected by threads, which has a simple structure and is more convenient to install.
[0029] Embodiment 4: Figure 4 As shown, the difference between this embodiment and the third embodiment is that the driving member in this embodiment is a swing member 24, the transmission member is an S-shaped hook 25, and the connecting member is a straight rod member 26, wherein a fixed cover 23 is fixedly arranged at the upper end of the upper mounting seat 17, and a notch is arranged at the upper end of the fixed cover 23, one end of the swing member 24 is hinged to the inner wall of the fixed cover 23, and the other end extends to the outside of the fixed cover 23 through the notch, one end of the S-shaped hook 25 is rotatably connected to the lower wall surface of the middle section of the swing member 24, and the other end is rotatably connected to the upper end of the connecting member, and the straight rod The lower section of the member 26 is threadedly connected to the central axis 7, and the two are fixed by a second fixing nut 27; wherein, a limiting portion 171 is vertically provided in the upper mounting seat 17, and the upper section of the straight rod member 26 is movably provided in the limiting portion 171, and the axes of the limiting portion 171, the straight rod member 26, the central axis 7, the guide rod 16, and the guide cavity 151 are parallel; when in use, the central axis 7 can be driven to move upward or downward by swinging the swing member 24 up and down, thereby driving the sealing ring 9 to move up and down to switch between the drainage state and the non-drainage state.
[0030] Embodiment 5: Figure 5 As shown, the difference between this embodiment and the third embodiment is that the lifting assembly 18 in this embodiment includes a pressing member 28 and a spring member 29, the pressing member 28 is arranged at the upper opening of the outer shell 6, the lower end of the pressing member 28 is threadedly connected to the central axis 7, and the two are fixed by a third fixing nut 30, one end of the spring member 29 is fixedly connected to the lower end of the central axis 7, and the other end is inserted into the lower mounting seat 13; when in use, the pressing member 28 and the spring member 29 cooperate to drive the central axis to move upward or downward, thereby driving the sealing ring 9 to move up and down to switch the drainage state and the non-drainage state.
[0031] Example 6: Figure 6 As shown, the difference between this embodiment and the first embodiment lies in that: in this embodiment, a decorative cover 32 is provided on the outer shell body 6, a storage plate 33 is provided above the decorative cover 32, a faucet tube 34 is provided inside, a faucet assembly 36 connected to the faucet tube 34 is provided on the storage plate 33, and the storage plate 33 has a storage space, so that items can be easily taken out; at the same time, a protective cover 35 is provided below the outer wall of the decorative cover 32.
[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An overflow drainage device, comprising an outer shell (6), wherein a water outlet (61) and a water inlet (62) are respectively provided at the lower end of the outer shell (6), characterized in that: The outer shell (6) is provided with a central axis (7) and a lifting device. The lower end of the central axis (7) is connected to a sealing ring (9) via a connecting seat (8). The lifting device is connected to the central axis (7) and is used to drive the central axis (7) to move axially. The sealing ring (9) opens and closes the water outlet (61) as the central axis (7) moves. The connecting seat (8) is provided with a drain port (81). An outer cylinder (10) is provided outside the central axis (7) for sliding. A float (11) is provided outside the outer cylinder (10) and a sealing ring (12) is provided at the lower end. The float (11) has an initial state and a floating state. When the float (11) is in the initial state, the lower wall of the sealing ring (12) abuts against the wall of the connecting seat (8) to block the drain port (81). When the float (11) is in the floating state, the lower wall of the sealing ring (12) is away from the connecting seat (8).
2. The overflow drainage device according to claim 1, characterized in that: The lifting device comprises a lower mounting seat (13) and a lifting assembly (18); the lower mounting seat (13) is clamped in a water outlet (61) of an outer shell (6); a first sealing ring (14) is provided between the lower mounting seat (13) and the water outlet (61); and a second water outlet (131) is provided on the lower mounting seat (13).
3. The overflow drainage device according to claim 2, characterized in that: A guide member (15) is fixedly connected to the lower mounting seat (13), a guide cavity (151) is provided in the guide member (15), a guide rod (16) is fixedly provided at the lower end of the central axis (7) corresponding to the guide cavity (151), a vertical limiting groove (152) is provided on the side wall of the guide member (15), and a limiting protrusion (161) used in conjunction with the limiting groove (152) is provided on the guide rod (16); an upper mounting seat (17) for mounting a lifting assembly (18) is provided at the upper end of the outer shell (6), the lifting assembly (18) comprises a driving member, a transmission member, and a connecting member, one end of the connecting member is connected to the central axis (7), and the other end is connected to the transmission member; the driving member and the transmission member cooperate to control the guide rod (16) to slide up and down in the guide cavity (151), and at the same time drive the central axis (7) to move up and down.
4. The overflow drainage device according to claim 3, characterized in that: The driving member is a rotating cover (19), the transmission member is a rotating shaft (20), and the rotating shaft (20) is divided into three sections: upper, middle and lower; the connecting member is divided into an upper threaded barrel (211) and a lower threaded rod (212); the upper section of the rotating shaft (20) is fixedly connected to the rotating cover (19) by a pin, the middle section is clearance-matched with the upper mounting seat (17), the lower section of the rotating shaft (20) is threadedly connected to the inner wall surface of the upper threaded barrel (211), the lower threaded rod (212) is threadedly connected to the middle shaft (7), and the two are fixed by a first fixing nut (22).
5. The overflow drainage device according to claim 3, characterized in that: A fixed cover (23) is fixedly disposed at the upper end of the upper mounting seat (17), and a notch is disposed at the upper end of the fixed cover (23). The driving member is a swing member (24), one end of the swing member (24) is hinged to the inner wall of the fixed cover (23), and the other end extends to the outside of the fixed cover (23) through the notch. The transmission member is an S-shaped hook (25), one end of the S-shaped hook (25) is rotatably connected to the lower wall surface of the middle section of the swing member (24), and the other end is rotatably connected to the upper end of the connecting member. The connecting member is a straight rod member (26), and the lower section of the straight rod member (26) is threadedly connected to the central shaft (7), and the two are fixed by a second fixing nut (27).
6. The overflow drainage device according to claim 5, characterized in that: A limiting portion (171) is vertically disposed in the upper mounting seat (17), and an upper section of the straight rod (26) is movably disposed in the limiting portion (171). The axes of the limiting portion (171), the straight rod (26), the central axis (7), the guide rod (16), and the guide cavity (151) are parallel.
7. The overflow drainage device according to claim 2, characterized in that: The lifting assembly (18) comprises a pressing member (28) and a spring member (29); the pressing member (28) is arranged at the upper opening of the outer shell (6); the lower end of the pressing member (28) is threadedly connected to the middle shaft (7), and the two are fixed by a third fixing nut (30); one end of the spring member (29) is fixedly connected to the lower end of the middle shaft (7), and the other end is inserted into the lower mounting seat (13); the pressing member (28) and the spring member (29) cooperate to drive the middle shaft (7) to move up and down.
8. The overflow drainage device according to claim 1, characterized in that: The outer cylinder (10) is provided with a threaded portion (101), the float (11) is threadably connected to the threaded portion (101), and the two are fixed via a fourth fixing nut (31).
9. The overflow drainage device according to claim 1, characterized in that: The outer shell (6) is divided into an upper shell (6-1) and a lower shell (6-2), and the upper shell (6-1) and the lower shell (6-2) are connected via threads.
10. The overflow drainage device according to claim 1, characterized in that: The outer shell (6) is provided with a decorative sleeve (32) on its outer surface, a storage plate (33) is provided above the decorative sleeve (32), a faucet tube (34) is provided inside the decorative sleeve, a faucet assembly (36) in communication with the faucet tube (34) is provided on the storage plate (33), and a protective cover (35) is provided below the outer wall surface of the decorative sleeve (32).
11. A bathtub, characterized in that: It comprises the overflow drainage device as described in any one of claims 1 to 9.