Steering engine device, lifting rib, washing drum and clothes care device
By setting an oil seal structure and a lubricating coating between the servo shaft and the housing, a sealing oil film is formed, which solves the problem of insufficient waterproof performance of the servo in dynamic applications, and achieves effective sealing of the shaft and extension of the servo's lifespan.
Patent Information
- Application Number
- CN202423117266.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing servos are not waterproof in dynamic applications, and are prone to water seepage or immersion, especially under frequent movement, which can lead to structural damage.
The shaft is sealed by a combination of a housing and an oil seal structure. An oil seal groove is set between the shaft and the housing and a lubricating coating is applied to form a sealing oil film to improve the sealing performance.
It effectively prevents water seepage or leakage at the pivot point, improves the waterproof performance of the servo motor, and extends its service life.
Smart Images

Figure CN223561909U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clothes care device technical field, concretely relates to a rudder device, lifting muscle, washing cylinder and clothes care device. BACKGROUND
[0002] With the development of mechanical automation technology, more and more mechanical arms are applied to water operation, for example, in the washing process of clothes care device, there is a power actuating mechanism such as mechanical arm or mechanical claw in the washing cylinder to operate clothes or the environment in the cylinder, and as one of the core parts of the mechanical arm or mechanical claw, how to ensure the waterproof sealing effect of the rudder is particularly important.
[0003] The current rudder generally uses sealing ring and special interface design to prevent water from entering the inside of the rudder. However, only relying on the sealing ring may not be enough to provide sufficient waterproof performance, especially in dynamic applications, the sealing performance of the interface may be reduced due to frequent movement, and after working for a long time in the washing environment, water seepage or immersion phenomenon is easy to occur, thereby causing damage to the internal structure of the rudder,
[0004] Therefore, it is necessary to provide a new way to solve the above technical problems. SUMMARY
[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a rudder device, which forms the sealing of the rotating shaft by the box body and the oil seal structure, avoids water seepage or leakage at the rotating shaft, effectively improves the sealing performance at the rotating shaft, thereby improving the waterproof performance of the rudder and prolonging the service life of the rudder.
[0006] The utility model embodiment discloses:
[0007] The utility model discloses a rudder device, which comprises:
[0008] A box body is formed with a sealed chamber inside;
[0009] A rudder is installed in the sealed chamber, and the rotating shaft of the rudder extends out of the box body;
[0010] An oil seal structure is arranged between the rotating shaft and the box body to form a sealing structure of the rudder with the box body.
[0011] Preferably, the oil seal structure has a plurality of oil seal grooves formed on the inner side wall assembled with the rotating shaft, and the oil seal grooves are coated with a lubricating coating.
[0012] Preferably, the oil seal grooves are V-shaped.
[0013] Preferably, a plurality of the oil seal grooves are distributed along the shaft in the axial direction.
[0014] Preferably, a groove is formed on the outer side of the oil seal structure for clamping the box body.
[0015] Preferably, the box body comprises an upper cover and a lower cover, and the upper cover and the lower cover jointly enclose the sealed chamber.
[0016] Preferably, the upper cover and the lower cover are fixed by a non-detachable connection mode.
[0017] Preferably, at least two mounting columns are formed in the sealed chamber for fixing the steering engine.
[0018] Preferably, the box body further comprises a wire hole for passing a wire harness of the steering engine.
[0019] Preferably, a sealing member is arranged between the wire hole and the wire harness.
[0020] The second object of the utility model is to provide a lifting rib of a clothes care device, which comprises the steering engine device and an execution element installed with the steering engine device.
[0021] Preferably, the execution element comprises a mechanical arm and a mechanical claw.
[0022] The third object of the utility model is to provide a washing drum of a clothes care device, which comprises the lifting rib of the clothes care device.
[0023] The fourth object of the utility model is to provide a clothes care device, which comprises the washing drum of the clothes care device.
[0024] Compared with the prior art, the utility model has the beneficial effects that:
[0025] The utility model provides a steering engine device, which comprises a box body, a sealed chamber is formed in the box body, a steering engine is installed with the sealed chamber, and the shaft of the steering engine extends out of the box body, and an oil seal structure is arranged between the shaft and the box body to form a sealing structure of the steering engine with the box body.
[0026] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is a preferred embodiment of the present application and the accompanying drawings are described in detail as follows. The specific embodiment of the present application is given in detail by the following examples and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0027] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute undue limitation on the present application. In the drawings:
[0028] Figure 1 It is the overall structure schematic diagram of the rudder device in the embodiment of the present application;
[0029] Figure 2 It is the exploded view of the rudder device in the embodiment of the present application;
[0030] Figure 3 It is the sectional view of the rudder device in the embodiment of the present application;
[0031] Figure 4 It is the enlarged view of A in the figure; Figure 3
[0032] Figure 5 It is the oil seal structure schematic diagram in the embodiment of the present application;
[0033] Figure 6 It is the sectional view of the oil seal structure in the embodiment of the present application;
[0034] Figure 7 It is the installation schematic diagram of the rudder device, the lifting rib and the washing cylinder in the embodiment of the present application.
[0035] In the figure: 1, rudder device; 10, box body; 11, upper cover; 111, through hole; 12, lower cover; 121, mounting column; 1211, mounting hole; 122, threading hole; 13, closed chamber; 20, rudder; 21, rotating shaft; 22, wire harness; 23, mounting part; 30, oil seal structure; 31, oil seal groove; 32, sealing edge; 33, groove; 2, execution element; 3, lifting rib; 4, washing cylinder. DETAILED DESCRIPTION
[0036] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0037] In the drawings, for the sake of clarity, the shapes and dimensions can be exaggerated and the same reference signs will be used throughout the drawings and the detailed description to indicate the same or like parts.
[0038] In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configuration shown in the drawings, and in particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back, which are relative concepts, so it is possible that they will change accordingly depending on the different positions and different use states, so these or other orientations should not be used to explain as restrictive terms.
[0039] Terms related to attachment, coupling, etc. (for example, "connected" and "attached") refer to the relationship of direct or indirect fixation or attachment of these structures to each other through intermediate structures, as well as movable or rigid attachment or relationship, unless otherwise explicitly stated.
[0040] Embodiment 1
[0041] The utility model embodiment provides a kind of rudder device 1, combine Figures 1-6 As shown in the drawings, comprising:
[0042] Box body 10, the closed chamber 13 is formed in the box body 10;
[0043] Rudder 20, the rudder 20 is installed in the closed chamber 13, and the rotating shaft 21 of the rudder 20 extends out of the box body 10;
[0044] Oil seal structure 30, the oil seal structure 30 is arranged between the rotating shaft 21 and the box body 10, to form the sealing structure of the rudder 20 with the box body 10.
[0045] The embodiment forms the sealing of rotating shaft 21 by box body 10 and oil seal structure 30, avoids the situation that water seepage or leakage occurs at rotating shaft 21, effectively improves the sealing performance at rotating shaft 21, to improve the waterproof performance of rudder 20, prolongs the service life of rudder 20.
[0046] In some embodiments, combineFigures 3-6 As shown, the oil seal structure 30 is provided with a plurality of oil seal grooves 31 on the inner side wall of the assembly with the rotating shaft 21, and the oil seal grooves 31 are coated with a lubricating coating. The lubricating coating includes lubricant, grease, etc.
[0047] In some preferred embodiments, the oil seal grooves 31 are coated with grease. Specifically, the oil seal structure 30 is annularly arranged on the rotating shaft 21, and the grease can be accumulated on the surface of the rotating shaft 21 by setting the oil seal grooves 31 between the oil seal structure 30 and the rotating shaft 21, which can promote the formation of a sealed oil film during the operation of the rotating shaft 21. When the steering device 1 is working in water, the sealed oil film can effectively prevent water from seeping into the rotating shaft 21 to damage the steering device 20, thereby effectively improving the sealing performance. In addition, the grease can play a lubricating role during the operation of the rotating shaft 21, which can reduce the friction between the oil seal structure 30 and the rotating shaft 21, reduce wear and tear, and prolong the service life of the oil seal structure 30 and the steering device 20.
[0048] Further, the oil seal grooves 31 are V-shaped, and specifically, the oil seal structure 30 forms a V-shaped sealing edge 32 at the same time as forming the V-shaped oil seal grooves 31. The sealing edge 32 can be in interference fit with the rotating shaft 21, and the V-shaped sealing edge 32 can effectively increase the contact pressure between the oil seal structure 30 and the rotating shaft 21 to improve the sealing effect, while reducing the friction and wear between the oil seal structure 30 and the rotating shaft 21. The V-shaped oil seal grooves 31 can make the grease in the oil seal grooves 31 contact the surface of the rotating shaft 21 along the V-shaped sealing edge 32, thereby accelerating the formation of the sealed oil film.
[0049] Further, a plurality of oil seal grooves 31 are distributed along the axial direction of the rotating shaft 21, and specifically, the oil seal grooves 31 and the sealing edge 32 are annular. This embodiment can improve the lubricating effect of the rotating shaft 21, reduce wear and tear, effectively increase the formation area of the sealed oil film, and prolong the service life of the sealed oil film, thereby improving the sealing performance.
[0050] In some embodiments, in combination with Figures 4-6 As shown, the outer side of the oil seal structure 30 is formed with a groove 33 for clamping with the box body 10. Specifically, the box body 10 is formed with a through hole 111, and the groove 33 is annular. When the groove 33 is clamped with the through hole 111, the oil seal structure 30 is installed on the box body 10. Further, the groove 33 is formed by concave inward along the radial direction of the oil seal structure 30 on the outer side of the oil seal structure 30, and in the axial direction of the oil seal structure 30, the groove 33 is located at the middle position of the oil seal structure 30, which can ensure the stability of the installation structure and improve the durability.
[0051] In some embodiments, in combination with Figure 1 andFigure 2 As shown, the box body 10 comprises an upper cover 11 and a lower cover 12, and the upper cover 11 and the lower cover 12 jointly enclose a sealed chamber 13; wherein the steering engine 20 is fixedly connected with the lower cover 12, and the rotating shaft 21 extends out of the box body 10 from the upper cover 11.
[0052] Further, at least two mounting columns 121 are formed in the sealed chamber 13 to fix the steering engine 20; in this embodiment, two mounting columns 121 are provided, and the two mounting columns 121 are arranged at two ends of the lower cover, and the steering engine 20 is clamped between the two mounting columns 121; further, mounting holes 1211 are arranged at the ends of the mounting columns 121, and the mounting part 23 of the steering engine 20 is formed, and the mounting part 23 and the mounting holes 1211 are fixedly connected by screws or bolts and the like fasteners to complete the positioning and installation of the steering engine 20.
[0053] In some embodiments, the upper cover 11 and the lower cover 12 are assembled by a detachable connection mode, so as to facilitate disassembly and replacement, and facilitate later maintenance and repair.
[0054] In yet some embodiments, the upper cover 11 and the lower cover 12 are fixed by a non-detachable connection mode; specifically, the upper cover 11 and the lower cover 12 are permanently connected by welding, riveting or bonding and the like mode, so as to have high strength and high sealing performance, and to be suitable for underwater operation.
[0055] Preferably, the upper cover 11 and the lower cover 12 are fixedly connected by welding; wherein the box body 10 is made of plastic material, and the upper cover 11 and the lower cover 12 of the box body 10 are fixedly connected by ultrasonic welding mode, and the vibration energy of the ultrasonic wave can be quickly transmitted to the surface of the box body 10, so that the connection part of the upper cover 11 and the lower cover 12 plastically deforms in a short time, realizing tight connection; compared with the traditional welding mode, the ultrasonic welding mode can realize high-speed and high-efficiency connection, the operation mode is simple, the production efficiency is improved, and the connection strength is high.
[0056] In some embodiments, in combination with Figure 2 and Figure 3 As shown, the box body 10 further forms a wire hole 122 for threading the wire harness 22 of the steering engine 20. Specifically, the wire hole 122 is arranged at the bottom of the lower cover 12, and when the steering engine 20 is assembled between the two mounting columns 121, the wire harness 22 of the steering engine 20 is threaded out from the bottom of the lower cover 12.
[0057] Further, a sealing element is arranged between the wire hole 122 and the wire harness 22, wherein the sealing element is at least one of a sealing ring, a sealing gasket and a sealing rubber plug, so as to prevent water from penetrating the wire hole 122, and further improve the overall sealing and waterproof performance.
[0058] Embodiment 2
[0059] The utility model embodiment further provides a lifting rib 3 of clothes care device, combine Figures 1-7 As shown in the figure, it comprises the rudder device 1 as described in embodiment 1 and the execution element 2 installed with the rudder device 1, and specifically, the rotating shaft 21 is installed with the execution element 2 to drive the execution element 2 to act.
[0060] In some embodiments, the execution element 2 comprises a mechanical arm and a mechanical claw, for example, to perform stirring on clothes in the washing process to enhance the washing effect, or to perform clamping operation on the washed clothes to realize hanging drying, or to perform cleaning action on the washing environment in the drum to optimize the washing environment.
[0061] The box body 10 and the oil seal structure 30 jointly form the sealing of the rotating shaft 21, avoid the situation that water seeps or leaks at the rotating shaft 21 of the rudder 20, effectively improve the sealing performance at the rotating shaft 21, thereby improve the waterproof performance of the rudder 20, prolong the service life of the rudder 20, to ensure the stable work of the execution element 2, ensure the normal progress of the washing program.
[0062] Embodiment 3
[0063] The utility model embodiment further provides a washing drum 4 of clothes care device, combine Figures 1-7 As shown in the figure, it comprises the lifting rib 3 of clothes care device as described in embodiment 2.
[0064] The box body 10 and the oil seal structure 30 jointly form the sealing of the rotating shaft 21, avoid the situation that water seeps or leaks at the rotating shaft 21 of the rudder 20, effectively improve the sealing performance at the rotating shaft 21, thereby improve the waterproof performance of the rudder 20, prolong the service life of the rudder 20, to ensure the stable work of the execution element 2, ensure the normal progress of the washing program.
[0065] By arranging the lifting rib 3 described in embodiment 2 in the washing drum 4, the function of the clothes care device can be further expanded, for example, to perform stirring on clothes in the washing process to enhance the washing effect, or to perform clamping operation on the washed clothes to realize hanging drying, or to perform cleaning action on the washing environment in the drum to optimize the washing environment, optimize the overall function of the clothes care device, meet the different needs of users, and improve the user experience.
[0066] Embodiment 4
[0067] The utility model embodiment further provides a clothes care device, combine Figures 1-7As shown, including the washing drum 4 of the clothes care device as described in embodiment 3. Among them, the clothes care device can be applied as a washing machine in some embodiments, and as a washer-dryer in other embodiments.
[0068] By the box body 10 and the oil seal structure 30 jointly forming the seal of the rotating shaft 21, the water seepage or leakage at the rotating shaft 21 of the rudder 20 is avoided, the sealing performance at the rotating shaft 21 is effectively improved, the waterproof performance of the rudder 20 is improved, the service life of the rudder 20 is prolonged, the stable work of the execution element 2 is ensured, and the normal progress of the washing program is ensured.
[0069] The embodiment can further expand the functions of the clothes care device, such as performing agitation on the clothes during washing to enhance the washing effect, or performing clamping operation on the washed clothes to realize hanging drying, or performing cleaning action on the washing environment in the drum to optimize the washing environment, etc., optimizing the overall function of the clothes care device, meeting different needs of users, and improving the user experience.
[0070] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and can be fully applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.
Claims
1. A servo motor device, characterized in that, include: The box body contains a sealed chamber. A servo motor, wherein the servo motor is installed in the sealed cavity and the servo motor's shaft extends out of the housing; An oil seal structure is provided between the rotating shaft and the housing to form a sealing structure for the servo motor together with the housing.
2. The servo mechanism as described in claim 1, characterized in that: The inner wall of the oil seal structure, which is used to assemble with the rotating shaft, has a plurality of oil seal grooves, and the oil seal grooves are coated with a lubricating coating.
3. The servo mechanism as described in claim 2, characterized in that: The oil seal groove is V-shaped.
4. The servo mechanism as described in claim 2, characterized in that: Several of the oil seal grooves are distributed along the axial direction of the rotating shaft.
5. The servo mechanism as described in claim 1, characterized in that: The outer side of the oil seal structure has a groove for engaging with the housing.
6. The servo mechanism as described in claim 1, characterized in that: The box body includes an upper cover and a lower cover, which together form the sealed chamber.
7. The servo mechanism as described in claim 6, characterized in that: The upper cover and the lower cover are fixed together by a non-detachable connection.
8. The servo mechanism as described in claim 6, characterized in that: At least two mounting posts are formed in the sealed cavity for fixing the servo motor.
9. The servo mechanism as described in claim 1, characterized in that: The housing also has a wire hole for threading the servo motor's wiring harness.
10. The servo mechanism as described in claim 9, characterized in that: A sealing element is provided between the threading hole and the wire harness.
11. A lifting rib of a garment care device, characterized in that, It includes a servo mechanism as described in any one of claims 1-10, and an actuator mounted on the servo mechanism.
12. The lifting rib of the garment care device as described in claim 11, characterized in that: The actuators include a robotic arm and a robotic gripper.
13. A washing drum for a garment care device, characterized in that, Includes the lifting ribs of the garment care device as described in claim 11.
14. A garment care device, characterized in that, A washing drum including the garment care device as described in claim 13.