CN214549212U - Automatic cover turning device of closestool - Google Patents
Automatic cover turning device of closestool Download PDFInfo
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- CN214549212U CN214549212U CN202022984230.XU CN202022984230U CN214549212U CN 214549212 U CN214549212 U CN 214549212U CN 202022984230 U CN202022984230 U CN 202022984230U CN 214549212 U CN214549212 U CN 214549212U
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- gear
- driven gear
- shell
- planetary
- clutch
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Abstract
The utility model discloses an automatic cover-turning device of a closestool, which comprises a shell and a direct current motor arranged in the shell; the planetary gear set is characterized by further comprising a driving gear, a driven gear, a planetary gear set and a vertically arranged output shaft, wherein the driving gear, the driven gear and the planetary gear set are arranged in the shell; the direct current motor is provided with a motor shaft which vertically faces the bottom of the shell; the driving gear is sleeved on the periphery of the motor shaft; driven gear includes one-level driven gear and sets up the second grade driven gear who is connected with one-level driven gear above one-level driven gear, one-level driven gear sets up in driving gear one side and with the driving gear meshing. The utility model discloses a planetary gear set is as drive mechanism, and it is stable that this setting more is favorable to the transmission of power, reduces toilet lid and is lifting or fold the process shake, has reduced the noise. The motor shaft and the output shaft face opposite directions, so that the automatic cover turning device is compact in overall design and small in occupied space.
Description
Technical Field
The utility model relates to a transmission technical field especially relates to an automatic flip device, can realize lifting or foling of washing machine cover or toilet lid etc..
Background
Existing high-end toilets generally include a toilet seat, a flip cover, and an automatic flip cover device. The automatic cover turning device is arranged on the closestool, one end of the automatic cover turning device is fixedly connected with the closestool, and the other end of the automatic cover turning device is fixedly connected with the cover turning device so as to drive the end cover to be opened or closed from the closestool seat. The existing automatic cover-turning device of the high-end closestool generally comprises a motor, a reduction gear set, a transmission gear set and an output shaft, wherein the existing transmission gear set is formed by meshing a plurality of common gears to finally transmit the power of the motor to the output shaft, and the output shaft drives a closestool cover to be opened or closed. The common gear engagement is adopted as the transmission gear set, so that the power transmission is unstable, and the toilet lid shakes in the opening or closing process, so that the noise is great.
For example, a chinese utility model patent No. ZL201720194266.3 (publication No. CN206950118U) discloses an automatic lid-turning device, which includes a housing assembled by an upper housing and a lower housing; a DC motor disposed in the housing; the speed reducing mechanism is arranged in the shell and comprises a driving gear arranged on a power output shaft of the direct current motor and a driven gear meshed with the driving gear; the transmission mechanism is arranged in the shell and comprises a transmission gear, and the transmission mechanism can synchronously rotate along with the driven gear; the output gear is arranged in the shell, is meshed with the transmission gear and can synchronously rotate along with the transmission mechanism; and the transmission rod can synchronously rotate along with the output gear, one end of the transmission rod penetrates through the central hole of the output gear, and the other end of the transmission rod extends out of the shell. The transmission mechanism comprises a first transmission gear, one end of the first transmission gear is fixed on the upper surface of the main body and penetrates through the rotating shaft of the driven gear, the transmission mechanism further comprises a second transmission gear, a third transmission gear, a fourth transmission gear and a fifth transmission gear which are sequentially meshed with each other, wherein the second transmission gear is meshed with the first transmission gear, and the fifth transmission gear is meshed with the output gear. The transmission mechanism adopts a plurality of common gears to mesh and transmit power, and the unstable power transmission causes the shaking of the toilet cover when the toilet cover is opened or closed, thereby causing great noise.
Therefore, further improvements are needed for the existing automatic flip device.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an automatic lid-turning device for a toilet with stable power transmission and small noise and small occupied space in the process of lifting or closing the toilet lid.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an automatic cover turning device of a closestool comprises a shell and a direct current motor arranged in the shell; the planetary gear set is characterized by further comprising a driving gear, a driven gear, a planetary gear set and a vertically arranged output shaft, wherein the driving gear, the driven gear and the planetary gear set are arranged in the shell;
the direct current motor is provided with a motor shaft which vertically faces the bottom of the shell;
the driving gear is sleeved on the periphery of the motor shaft;
the driven gear comprises a primary driven gear and a secondary driven gear which is arranged above the primary driven gear and connected with the primary driven gear, the driving gear is arranged on one side of the primary driven gear and meshed with the primary driven gear, and the planetary gear set is arranged on the other side of the primary driven gear and meshed with the secondary driven gear;
the bottom end of the output shaft is in transmission connection with the output end of the planetary gear set, and the top end of the output shaft penetrates through the top of the shell and extends out of the shell.
In order to facilitate stable power transmission and reduce power loss, the planetary gear set preferably comprises a primary planetary gear and a secondary planetary gear which is arranged above the primary planetary gear and is in transmission connection with the primary planetary gear, the primary planetary gear is arranged on the other side of the primary driven gear and is meshed with the secondary driven gear, and the secondary planetary gear is in transmission connection with the bottom end of the output shaft.
Further, preferably, the primary planetary gear comprises a first planet carrier, a first sun gear arranged on the first planet carrier and a plurality of first planetary gears meshed with the first sun gear, and an outer gear ring on the outer wall of the first planet carrier is meshed with the secondary driven gear; the secondary planetary gear comprises a second planet carrier, a second sun gear arranged on the second planet carrier and a plurality of second planet gears meshed with the second sun gear, each second planet gear is provided with a central shaft and serves as an output end of the planetary gear set, and the bottom end of the output shaft is connected with the central shaft of each second planet gear; and the first planet wheel and the second planet wheel are sleeved with inner gear rings which are meshed with the first planet wheel and the second planet wheel, and the inner gear rings are positioned in the shell and connected with the shell.
Further, as preferred, the second planet carrier includes a plurality of connecting axles that the bottom downwardly extending of supporting disk and supporting disk formed, the second sun gear sets up on the supporting disk, first planet wheel corresponds the cover and establishes on the connecting axle.
In order to facilitate stable power transmission and reduce power loss, preferably, the number of the first planet wheels and the number of the second planet wheels are 4, and the first planet wheels and the second planet wheels are arranged at intervals along the circumferential direction of the first sun wheel and the second sun wheel.
For the opening or the angle of foling of control toilet lid, avoid the upset transition to collide the closestool, as preferred, be provided with rotation angle positioner in the casing, rotation angle positioner includes that the bottom cover is established at the output shaft and the top stretches out the location axle at casing top, the location off-axial side is provided with the location tooth, location tooth and angle sensor gear meshing angle sensor gear links to each other with angle sensor.
In order to facilitate stable power transmission of the positioning shaft, preferably, a bearing connected with the shell is sleeved on the outer side of the positioning shaft. The positioning shaft is positioned in the bearing and rotates relative to the bearing.
For the convenience of assembly, the casing preferably includes a middle casing with two open ends, a bottom cover is arranged at the bottom of the middle casing, a top cover is arranged at the top of the middle casing, the motor shaft vertically faces the bottom cover, and the output shaft vertically extends out of the top cover.
In order to prevent the gear from being damaged due to overlarge torque inside the device or avoid the motor from being locked due to misoperation, preferably, a gear ring is arranged on the inner ring wall of the primary driven gear, the bottom of the secondary driven gear is connected with a clutch piece, and the clutch piece is provided with clutch teeth which can be meshed with the gear ring; the clutch teeth engage the ring gear when the device is not overloaded, and disengage and slip along the tooth flanks of the ring gear when the device is overloaded.
Preferably, the overall appearance of the clutch piece is disc-shaped, and the clutch piece comprises a disc-shaped main body, a clutch block and a concentric block, wherein the clutch block and the concentric block are connected to the side wall of the main body and are both arc-shaped; a gap is reserved between the clutch block and the concentric block, clutch teeth are respectively arranged at two ends of the clutch block, the length of the concentric block is shorter than that of the clutch block, and when the clutch teeth are meshed with the teeth on the gear ring, the outer side face of the concentric block is abutted to the tooth face of the gear ring.
Compared with the prior art, the utility model has the advantages of: the planetary gear set is used as a transmission mechanism, so that the arrangement is more favorable for stable power transmission, the shaking of the toilet cover in the opening or closing process is reduced, and the noise is reduced. The motor shaft and the output shaft face opposite directions, so that the automatic cover turning device is compact in overall design and small in occupied space.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the present invention with the housing removed;
fig. 3 is a schematic structural view of the embodiment of the present invention without the housing, the ring gear, and the bearing;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a schematic structural view of a driven gear in an embodiment of the present invention;
FIG. 6 is an exploded view of FIG. 5;
fig. 7 is a schematic view of a first planet carrier and a first sun gear in an embodiment of the invention;
fig. 8 is a schematic diagram of a second planet carrier and a second sun gear in an embodiment of the invention;
fig. 9 is a schematic view of an inner ring gear in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 9, it is a preferred embodiment of the automatic lid-turning device of the toilet of the present invention. The automatic cover turning device comprises a shell 1, a direct current motor 2, a driving gear 31, a driven gear 32, a planetary gear set 4, a vertically arranged output shaft 6 and a turning angle positioning device.
The shell 1 comprises a middle shell 11 with two open ends, a bottom cover 12 is arranged at the bottom of the middle shell 11, and a top cover 13 is arranged at the top of the middle shell 11.
The direct current motor 2 is arranged in the shell 1, and a motor shaft 21 is arranged on the direct current motor 2, and the motor shaft 21 is vertically towards the bottom cover 12.
The driving gear 31 is sleeved on the periphery of the motor shaft 21.
The driven gear 32 includes a primary driven gear 32a and a secondary driven gear 32b disposed above the primary driven gear 32a and connected to the primary driven gear 32a, the driving gear 31 is disposed at one side of the primary driven gear 32a and engaged with the primary driven gear 32a, and the planetary gear set 4 is disposed at the other side of the primary driven gear 32a and engaged with the secondary driven gear 32 b.
The planetary gear set 4 includes a primary planetary gear 41 and a secondary planetary gear 42 disposed above the primary planetary gear 41 and in driving connection with the primary planetary gear 41, the primary planetary gear 41 being disposed on the other side of the primary driven gear 32a and meshing with the secondary driven gear 32b, the secondary planetary gear 42 being in driving connection with the bottom end of the output shaft 6.
Further, the primary planetary gear 41 includes a first carrier 41a, a first sun gear 41b disposed on the first carrier 41a, and 4 first planetary gears 41c disposed at intervals along the circumferential direction of the first sun gear 41b and engaged with the first sun gear 41b, in this embodiment, the first sun gear 41b is integrally formed with the first carrier 41a, and an outer ring gear 41d on the outer wall of the first carrier 41a is engaged with the secondary driven gear 32 b; the secondary planetary gear 42 includes a second planet carrier 42a, a second sun gear 42b disposed on the second planet carrier 42a, and 4 second planet gears 42c disposed at intervals along the circumference of the second sun gear 42b and engaged with the second sun gear 42b, in this embodiment, the second sun gear 42b is integrally formed with the second planet gears 42c, each second planet gear 42c has a central shaft 42d as an output end of the planetary gear set 4, the first planet gear 41b and the second planet gear 42b are externally sleeved with an inner ring gear 43 engaged with the first planet gear 41b and the second planet gear 42b, and the inner ring gear 43 is located in the housing 1 and connected with the housing 1.
The second planet carrier 42a includes a support plate 421 and a plurality of connecting shafts 422 formed by extending the bottom of the support plate 421, the second sun gear 42b is disposed on the support plate 421, and the first planet gear 41c is correspondingly sleeved on the connecting shafts 422.
The top end of the output shaft 6 vertically extends out of the top cover 13, the bottom end of the output shaft 6 is provided with jacks at positions corresponding to the central shafts 42d, and the central shafts 42d are inserted into the corresponding jacks and are connected with the bottom end of the output shaft 6 in a transmission way.
The turnover angle positioning device is arranged in the shell 1 and comprises a positioning shaft 5, the bottom end of the positioning shaft is sleeved on the output shaft 6, the top end of the positioning shaft extends out of the top of the shell 1, positioning teeth 51 are arranged on the outer side of the positioning shaft 5, the positioning teeth 51 are meshed with an angle sensor gear 52, and the angle sensor gear 52 is connected with an angle sensor 53. The outer side of the positioning shaft 5 is sleeved with a bearing 7 connected with the shell 1.
A clutch member 8 is connected to the bottom of the secondary driven gear 32b, and clutch teeth 821 capable of meshing with the gear ring 321 are arranged on the clutch member 8; the clutch teeth 821 are engaged with the ring gear 321 when the apparatus is not overloaded, and the clutch teeth 821 are disengaged from the ring gear 321 and slip along the tooth surface of the ring gear 321 when the apparatus is overloaded. Further, the overall appearance of the clutch member 8 is disc-shaped, and comprises a disc-shaped main body 81, a clutch block 82 and a concentric block 83 which are connected to the side wall of the main body 81, wherein the clutch block 82 and the concentric block 83 are both arc-shaped and are respectively arranged along the circumferential direction of the main body 81 at intervals; a gap is reserved between the clutch block 82 and the concentric block 83, two ends of the clutch block 82 are respectively provided with a clutch tooth 821, the length of the concentric block 83 is shorter than that of the clutch block 82, and when the clutch tooth 821 is meshed with the teeth on the gear ring 321, the outer side surface of the concentric block 83 is abutted to the tooth surface of the gear ring 321. This not only ensures that the clutch member 8 can rotate concentrically with the driven gear 32, but also that the clutch member 8 can rotate relative to the driven gear 32 in both the counterclockwise and clockwise directions when the device is overloaded, thereby providing better protection for the device. In this embodiment, the concentric block 83 and the clutch block 82 are provided in two pieces, and the radian of each clutch block 82 is 100 ° to 140 ° (preferably 120 °), and the radian of the concentric block 83 is 20 ° to 40 ° (preferably 30 °).
The working principle is as follows: after the direct current motor 2 is started, the motor shaft 21 rotates, the driving gear 31, the first-stage driven gear 32a, the second-stage driven gear 32b, the first sun gear 41b, the 4 first planet gears 41c, the second sun gear 42b, the 4 second planet gears 42c synchronously rotate, the output shaft 6 synchronously rotates, the turning angle positioning device positions the rotation angle of the output shaft 6, and when the device is overloaded, the clutch teeth 821 are disengaged from the gear ring 321 and slide along the tooth surface of the gear ring 321, so that the direct current motor 2 is prevented from being locked.
Claims (10)
1. An automatic cover turning device of a closestool comprises a shell (1) and a direct current motor (2) arranged in the shell (1); the planetary gear set is characterized by further comprising a driving gear (31), a driven gear (32), a planetary gear set (4) and a vertically arranged output shaft (6) which are arranged in the shell (1);
wherein the direct current motor (2) is provided with a motor shaft (21) which vertically faces the bottom of the shell (1);
the driving gear (31) is sleeved on the periphery of the motor shaft (21);
the driven gear (32) comprises a primary driven gear (32a) and a secondary driven gear (32b) which is arranged above the primary driven gear (32a) and connected with the primary driven gear (32a), the driving gear (31) is arranged on one side of the primary driven gear (32a) and meshed with the primary driven gear (32a), and the planetary gear set (4) is arranged on the other side of the primary driven gear (32a) and meshed with the secondary driven gear (32 b);
the bottom end of the output shaft (6) is in transmission connection with the output end of the planetary gear set (4), and the top end of the output shaft (6) penetrates through the top of the shell (1) and extends out of the shell.
2. The automatic lid flipping device of a toilet according to claim 1, wherein: the planetary gear set (4) comprises a primary planetary gear (41) and a secondary planetary gear (42) which is arranged above the primary planetary gear (41) and is in transmission connection with the primary planetary gear (41), the primary planetary gear (41) is arranged on the other side of the primary driven gear (32a) and is meshed with the secondary driven gear (32b), and the secondary planetary gear (42) is in transmission connection with the bottom end of the output shaft (6).
3. The automatic lid flipping device of a toilet according to claim 2, wherein: the primary planetary gear (41) comprises a first planet carrier (41a), a first sun gear (41b) arranged on the first planet carrier (41a) and a plurality of first planetary gears (41c) meshed with the first sun gear (41b), and an outer gear ring (41d) on the outer wall of the first planet carrier (41a) is meshed with the secondary driven gear (32 b); the secondary planetary gear (42) comprises a second planet carrier (42a), a second sun gear (42b) arranged on the second planet carrier (42a) and a plurality of second planet gears (42c) meshed with the second sun gear (42b), each second planet gear (42c) is provided with a central shaft (42d) serving as an output end of the planetary gear set (4), and the bottom end of the output shaft (6) is connected with the central shaft (42d) of each second planet gear (42 c); and inner gear rings (43) meshed with the first planet gears (41c) and the second planet gears (42c) are sleeved outside the first planet gears (41c) and the second planet gears (42c), and the inner gear rings (43) are positioned in the shell (1) and connected with the shell (1).
4. The automatic lid flipping device of a toilet according to claim 3, wherein: second planet carrier (42a) include a plurality of connecting axles (422) that the bottom downwardly extending of supporting disk (421) and supporting disk (421) formed, second sun gear (42b) set up on supporting disk (421), first planet wheel (41c) correspond the cover and establish on connecting axle (422).
5. The automatic lid flipping device of a toilet according to claim 3, wherein: the number of the first planetary gears (41c) and the second planetary gears (42c) is 4, and the first planetary gears and the second planetary gears are arranged at intervals along the circumferential direction of the first sun gear (41b) and the second sun gear (42 b).
6. The automatic lid flipping device of a toilet according to claim 1, wherein: be provided with upset angle positioner in casing (1), upset angle positioner includes that the bottom cover is established at output shaft (6) and top stretches out location axle (5) at casing (1) top, location axle (5) outside is provided with location tooth (51), location tooth (51) and angle sensor gear (52) meshing angle sensor gear (52) link to each other with angle sensor (53).
7. The automatic lid flipping device of a toilet according to claim 6, wherein: and a bearing (7) connected with the shell (1) is sleeved on the outer side of the positioning shaft (5).
8. The automatic lid flipping device of a toilet according to claim 1, wherein: the motor shaft is characterized in that the shell (1) comprises a middle shell (11) with two open ends, a bottom cover (12) is arranged at the bottom of the middle shell (11), a top cover (13) is arranged at the top of the middle shell (11), the motor shaft (21) vertically faces the bottom cover (12), and the output shaft (6) vertically extends out of the top cover (13).
9. The automatic lid flipping device of a toilet according to any one of claims 1 to 8, wherein: a gear ring (321) is arranged on the inner ring wall of the primary driven gear (32a), the bottom of the secondary driven gear (32b) is connected with a clutch piece (8), and a clutch tooth (821) capable of being meshed with the gear ring (321) is arranged on the clutch piece (8); the clutch teeth (821) mesh with the ring gear (321) when the device is not overloaded, and the clutch teeth (821) disengage from the ring gear (321) and slip along the tooth surface of the ring gear (321) when the device is overloaded.
10. The automatic lid flipping device of a toilet according to claim 9, wherein: the overall appearance of the clutch piece (8) is disc-shaped and comprises a disc-shaped main body (81), a clutch block (82) and a concentric block (83) which are connected to the side wall of the main body (81), wherein the clutch block (82) and the concentric block (83) are both arc-shaped and are respectively arranged along the circumferential direction of the main body (81) at intervals; a gap is reserved between the clutch block (82) and the concentric block (83), two ends of the clutch block (82) are respectively provided with a clutch tooth (821), the length of the concentric block (83) is shorter than that of the clutch block (82), and when the clutch tooth (821) is meshed with teeth on the gear ring (321), the outer side face of the concentric block (83) is abutted to the tooth face of the gear ring (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984230.XU CN214549212U (en) | 2020-12-09 | 2020-12-09 | Automatic cover turning device of closestool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984230.XU CN214549212U (en) | 2020-12-09 | 2020-12-09 | Automatic cover turning device of closestool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214549212U true CN214549212U (en) | 2021-11-02 |
Family
ID=78364225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022984230.XU Active CN214549212U (en) | 2020-12-09 | 2020-12-09 | Automatic cover turning device of closestool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214549212U (en) |
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2020
- 2020-12-09 CN CN202022984230.XU patent/CN214549212U/en active Active
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