High-stability horizontal drum washing cup

By adopting a double-point simple support structure and snap-fit ​​connection in the drum washing cup, the problem of insufficient dynamic stability of the inner drum is solved, achieving higher rotational stability and extended service life, while reducing noise and bearing wear.

CN223633647UActive Publication Date: 2025-12-05WENZHOU EDISON IND PRODUCT DESIGN CO LTD
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Patent Information

Application Number
CN202522252248.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2025-12-05
Estimated Expiration
2035-10-24

AI Technical Summary

Technical Problem

Existing drum washing cups suffer from insufficient dynamic stability of the inner drum due to single-sided drive, resulting in severe vibration and noise, serious bearing wear, short service life, and high requirements for assembly coaxiality, thus posing structural stability and long-term reliability issues.

Method used

The structure adopts a dual-point simple support structure. A rotating ring is set on the other side of the inner cylinder and fixed to the outer shell to provide radial support. The motor is integrated into the base through a snap-fit ​​connection, which lowers the center of gravity, improves the dynamic stability of the inner cylinder and reduces bearing wear, and simplifies the assembly process.

Benefits of technology

It significantly reduces vibration and noise during high-speed dehydration, extends service life, reduces the risk of bearing wear, and improves assembly accuracy and user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223633647U_ABST
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Abstract

The utility model relates to a horizontal drum laundry cup with high stability, which comprises a shell, an inner drum and a driving motor, the inner drum is arranged in the shell, the driving motor is arranged on the shell and drives the inner drum to rotate, the horizontal drum laundry cup further comprises a cover body, the cover body is detachably arranged on the shell and forms a cleaning cavity with the shell, and the inner drum is located in the cleaning cavity. A rotating ring opposite to the inner cylinder is arranged on the cover body, the rotating ring is in running fit with the inner cylinder, and the rotating ring and the driving motor are located on the two sides of the inner cylinder respectively.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a drum washing cup, concretely relates to a high-stability horizontal drum washing cup. BACKGROUND

[0002] With the improvement of living standards, people pay more and more attention to the health of personal clothes, in order to realize the separate, efficient and sanitary washing of small clothes such as underwear and underpants, various mini washing machines appear in the market, among which the "drum washing cup" imitating the working principle of full-size drum washing machine is popular because of its soft washing, small wear and high-temperature cooking function.

[0003] The existing typical drum washing cup usually comprises a shell, an inner drum and a driving motor, the inner drum is generally in a single-side driving form, that is, the driving motor is connected and fixed to the center of one side end face of the inner drum through a rotating shaft to provide torque for rotating the inner drum, however, this single-side driving structure causes the other side of the inner drum to be in a free overhanging state, lacking effective radial support; this structure inherently has the problem of insufficient dynamic stability when the inner drum rotates, and severe vibration and noise are easily generated during high-speed dehydration, which seriously affects the user experience; at the same time, the cantilever bending moment formed by the overall weight and load of the inner drum is completely borne by the bearing of the driving side, which will significantly accelerate the wear of the bearing and shaft seal of this side, resulting in decreased mechanical efficiency, shortened service life and increased risk of water leakage; in addition, due to the drooping of the non-driving side, extremely strict requirements are put forward for the assembly coaxiality between the inner drum and the shell, and a slight deviation is easily amplified during operation, causing local interference and friction between the outer wall of the inner drum and the inner wall of the shell, and producing abnormal sound or even jamming; therefore, the existing drum washing cup has obvious defects in structural stability and long-term reliability, and needs to be improved. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a high-stability horizontal drum washing cup.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: comprising a shell, an inner drum and a driving motor, the inner drum is arranged in the shell, the driving motor is arranged on the shell and drives the inner drum to rotate, further comprising a cover, the cover is detachably arranged on the shell and forms a washing cavity with the shell, the inner drum is located in the washing cavity, a rotating ring opposite to the inner drum is arranged on the cover and rotates with the inner drum, and the rotating ring and the driving motor are located on both sides of the inner drum respectively.

[0006] By adopting the technical scheme, when the driving motor drives the inner cylinder to rotate, the rotating ring located on the other side of the inner cylinder rotates relative to the corresponding part of the inner cylinder, thereby forming effective radial support, and the rotating ring is fixed to the shell through the cover body, so that the single-point cantilever support of the inner cylinder is changed into double-point simply supported support; this fundamentally solves the problem of "free overhanging" of the non-driving side of the inner cylinder in the background art, greatly improves the dynamic stability of the rotation of the inner cylinder by providing radial support on the opposite side, significantly reduces the vibration and noise during high-speed dewatering, and simultaneously, it converts the cantilever bending moment originally borne by the driving side bearing into a simply supported beam structure borne by the driving side and the support side, effectively reduces the wear of the driving side bearing and the shaft seal, prolongs the service life of the whole machine, and reduces the risk of water leakage caused by bearing wear.

[0007] The utility model further sets up: the cover body relative to the side of shell fixed setting has the apron, the rotating ring sets up in the apron.

[0008] By adopting the technical scheme, the apron is fixed on the cover body as the mounting base of the rotating ring, when the cover body is installed on the shell, the apron and the rotating ring thereon are accurately brought to the designed position corresponding to the axis of the inner cylinder, ensuring that the rotating ring can cooperate well with the inner cylinder, the support structure is modularized by setting the independent apron, simplifying the machining and assembly process of the cover body and the rotating ring, which ensures the installation accuracy and concentricity of the rotating ring, makes the support effect more reliable, in addition, the structure is also convenient for later maintenance and cleaning, if the rotating ring is worn, the apron module can be replaced accordingly, reducing the maintenance cost.

[0009] The utility model further sets up: the shell is provided with a fixed ring, one side of the shell relative to the fixed ring is provided with a blocking arc piece and a matching arc piece, the blocking arc piece and the matching arc piece are located at the same circumferential position, the blocking arc piece has an extension part extending to the fixed ring, the inner side of the cover body is provided with a clamping block, the blocking arc piece and the matching arc piece have a sliding entrance for the clamping block to enter, the blocking arc piece, the matching arc piece and the clamping block constitute a detachable cooperation between the cover body and the shell, the number of the blocking arc piece, the matching arc piece and the clamping block can be multiple, improving the stability of installation.

[0010] By adopting the technical scheme, when the cover body is installed, the clamping block on the inner side of the cover body is aligned with the sliding entrance between the blocking arc piece and the matching arc piece on the shell and then put in, and then the cover body is rotated, so that the clamping block slides into and clamps under the extension part of the blocking arc piece, thereby realizing the tight locking of the cover body and the shell, and the cover body can be detached by reversing rotation; the clamping type connection structure realizes the quick installation and disassembly of the cover body without the need of tools, greatly improving the convenience of user operation, and simultaneously, the structure provides reliable connection strength by rotation locking, can bear the force generated by the vibration of the inner cylinder, ensures the stability of the cover body during machine operation, and avoids loosening caused by vibration.

[0011] The utility model further sets up: the extension ring that outwardly peripherally extends is provided on the cover body and the extension ring is opposite with the fixed ring.

[0012] Through adopting above-mentioned technical scheme, when the cover body is installed in place, the extension ring on it is opposite with the fixed ring on the shell, thereby increasing the stability of installation.

[0013] The utility model further sets up: still include base, the placing groove that the shell is placed is provided on the base, drive motor sets up in the base, drive motor has drive shaft and extends to the outside of base and enters the shell in drive inner tube rotation.

[0014] Through adopting above-mentioned technical scheme, drive motor is integrated in the base, reduces the gravity center of complete machine, this can effectively inhibit the trend of complete machine shaking when high-speed dehydration, further improves stability, simultaneously, this kind of layout separates motor and washing cavity in physical space, is favorable to the heat dissipation of motor, and can isolate and absorb part vibration and noise through base structure, improves user experience.

[0015] The utility model further sets up: still include rotary disc, rotary disc sets up in the shell and with drive shaft synchronous rotation, rotary disc is relatively close to the side of setting protruding block of inner tube, and inner tube is provided with the recess that is matched with protruding block, and protruding block and recess constitute the synchronous rotation of rotary disc and inner tube.

[0016] Through adopting above-mentioned technical scheme, the cooperation of protruding block and recess realizes a kind of efficient, keyless coupling torque transmission, it avoids the stress concentration and loosening problem that traditional screw fixing or interference fit can produce, transmission is more reliable, simultaneously, this structure allows inner tube to have certain degree of " floating " in axial direction, facilitates to form good centring cooperation with rotary ring, reduces assembly difficulty, and reduces the additional wear and tear due to centring error.

[0017] The utility model further sets up: the protruding block is isosceles trapezoidal. ACCURATE DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the utility model whole;

[0019] Figure 2 It is the explosion drawing of the utility model whole;

[0020] Figure 3 It is the structure schematic drawing of the cover body of the utility model;

[0021] Figure 4 It is the sectional view of the utility model whole.

[0022] In the figure: 1, the shell; 11, cleaning cavity; 12, fixed ring; 13, blocking arc piece; 14, matching arc piece; 15, extension; 16, sliding inlet; 2, inner cylinder; 21, groove; 3, drive motor; 31, drive shaft; 4, cover body; 41, rotating ring; 42, cover plate; 43, clamping block; 44, extension ring; 5, base; 51, placing groove; 6, rotating disc; 61, protruding block. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] As Figures 1-4The utility model discloses a high stability horizontal roller washing cup, including shell 1, inner tube 2 and drive motor 3, inner tube 2 sets up in shell 1, drive motor 3 sets up on shell 1 and drives inner tube 2 rotation, still include cover 4, cover 4 detachably set up in shell 1 and form washing cavity 11 with shell 1, inner tube 2 is located in washing cavity 11, cover 4 is provided with the rotating ring 41 opposite with inner tube 2 and rotating ring 41 and inner tube 2 rotation cooperation, rotating ring 41 and drive motor 3 are located at the both sides of inner tube 2, when drive motor 3 drives inner tube 2 rotation, rotating ring 41 and inner tube 2 corresponding parts on the other side of inner tube 2 relatively rotate, form effective radial support, this rotating ring 41 is fixed on shell 1 through cover 4, so that inner tube 2 changes from traditional single point cantilever support to double point simply supported support, this basically solves the background art inner tube 2 non-driving side " free overhang " problem, through providing the radial support of opposite side, greatly improves the dynamic stability of inner tube 2 rotation, significantly reduces the vibration and noise when high speed dewatering, simultaneously, it will originally by drive side bearing alone bears the cantilever bending moment into by drive side and support side jointly bears the simply supported beam structure, effectively reduces the wear and tear of drive side bearing and shaft seal, prolongs the service life of complete machine, and reduces the water leakage risk caused by bearing wear.

[0026] Cover 4 is fixedly provided with cover plate 42 relative to the side close to shell 1, rotating ring 41 is arranged on cover plate 42, cover plate 42 is fixed on cover 4 as the mounting base of rotating ring 41, when cover 4 is installed to shell 1, cover plate 42 and the rotating ring 41 thereon are accurately brought to the design position corresponding with the axis of inner tube 2, ensure that rotating ring 41 can be well matched with inner tube 2, by setting up independent cover plate 42, the support structure is modularized, and the machining and assembly process of cover 4 and rotating ring 41 is simplified, which ensures the installation accuracy and concentricity of rotating ring 41, so that the support effect is better and more reliable, in addition, the structure is also convenient for later maintenance and cleaning, if rotating ring 41 wears, the cover plate 42 module can be replaced pertinently, and the maintenance cost is reduced.

[0027] The shell 1 is provided with a fixing ring 12, and the shell 1 is provided with a blocking arc piece 13 and a matching arc piece 14 on the side opposite to the fixing ring 12, and the blocking arc piece 13 and the matching arc piece 14 are located at the same circumferential position. The blocking arc piece 13 has an extension 15 extending to the fixing ring 12. The inner side of the cover body 4 is provided with a clamping block 43. The blocking arc piece 13 and the matching arc piece 14 have a sliding entrance 16 for the clamping block 43 to enter. The blocking arc piece 13, the matching arc piece 14 and the clamping block 43 constitute the detachable cooperation of the cover body 4 and the shell 1. The number of the blocking arc piece 13, the matching arc piece 14 and the clamping block 43 can be multiple, improving the stability of installation. When installing the cover body 4, the clamping block 43 on the inner side of the cover body 4 is aligned with the sliding entrance 16 between the blocking arc piece 13 and the matching arc piece 14 on the shell 1 and is then put in. Then, the cover body 4 is rotated, so that the clamping block 43 slides into and clamps under the extension 15 of the blocking arc piece 13, thereby realizing the tight locking of the cover body 4 and the shell 1. When disassembling, it can be reversed. The clamping buckle type connection structure realizes the quick installation and disassembly of the cover body 4 without the need of tools, greatly improving the convenience of user operation. At the same time, the structure provides reliable connection strength through rotation locking, can bear the force generated by the vibration of the inner cylinder 2, ensures the stability of the cover body 4 during machine operation, avoids loosening caused by vibration, increases a protruding piece at the corresponding position of the blocking arc piece 13, sets an arc-shaped protrusion on the clamping block, sets an arc-shaped groove on the blocking arc piece, and prevents the shell 1 and the cover body 4 from falling off due to the rotation of the inner cylinder 2 after the arc-shaped protrusion and the arc-shaped groove are fixed.

[0028] The cover body 4 is provided with an extension ring 44 extending outwardly and circumferentially, and the extension ring 44 is opposite to the fixing ring 12. When the cover body 4 is installed in place, the extension ring 44 thereon abuts against the fixing ring 12 on the shell 1, thereby increasing the stability of installation.

[0029] The base 5 is further provided with a placing groove 51 for placing the shell 1. The driving motor 3 is arranged in the base 5. The driving motor 3 has a driving shaft 31 extending to the outside of the base 5 and into the shell 1 to drive the inner cylinder 2 to rotate. Integrating the driving motor 3 in the base 5 lowers the gravity center of the whole machine, which can effectively inhibit the tendency of the whole machine to shake during high-speed dehydration, further improving the stability. At the same time, the layout separates the motor and the washing cavity in physical space, which is beneficial to heat dissipation of the motor and can isolate and absorb part of the vibration and noise through the structure of the base 5, improving the user experience.

[0030] The rotating disc 6 is arranged in the shell 1 and rotates synchronously with the driving shaft 31, and the rotating disc 6 is arranged with a protrusion 61 close to the side of the inner cylinder 2, and the inner cylinder 2 is arranged with a groove 21 matched with the protrusion 61, and the protrusion 61 and the groove 21 form synchronous rotation of the rotating disc 6 and the inner cylinder 2, the protrusion 61 is isosceles trapezoidal, and the matching mode of the protrusion 61 and the groove 21 realizes efficient and keyless torque transmission, which avoids stress concentration and loosening problems that may be caused by traditional screw fixing or interference fit, and transmission is more reliable, and meanwhile, the structure allows the inner cylinder 2 to have a certain degree of "floating" in the axial direction, facilitates good centering cooperation with the rotating ring 41, reduces assembly difficulty, and reduces additional wear caused by centering error.

[0031] Working process: before working, the high-stability drum washing cup, the rotating cover body 4 is taken off, and then the objects to be washed are put into the inner cylinder, and then the cover body 4 is put back, so that the rotating ring 41 is clamped with the inner cylinder 2, the driving motor 3 in the base 5 is started, and the rotating disc 6 in the shell 1 is driven by the driving shaft 31 to rotate synchronously; the protrusion 61 on the rotating disc 6 is embedded in the groove 21 at the bottom of the inner cylinder 2, so as to effectively transmit the torque to the inner cylinder 2 and drive it to rotate for washing or dehydration; at the same time, the rotating ring 41 installed on the cover plate 42 of the cover body 4 rotates relative to the other side of the inner cylinder 2, forming the key non-driving side radial support; the entire cover body 4 is quickly rotated and locked by the mechanism formed by the blocking arc piece 13 and the matching arc piece 14 on the shell 1 through the clamping block 43 on the inner side, ensuring the stability of the working position.

Claims

1. A highly stable horizontal drum washing cup, comprising a shell (1), an inner drum (2), and a drive motor (3), wherein the inner drum (2) is disposed inside the shell (1), and the drive motor (3) is disposed on the shell (1) and drives the inner drum (2) to rotate, characterized in that: The cover (4) is detachably arranged on the shell (1) and forms a cleaning cavity (11) with the shell (1), the inner cylinder (2) is located in the cleaning cavity (11), the cover (4) is provided with a rotating ring (41) opposite to the inner cylinder (2) and the rotating ring (41) is in rotating cooperation with the inner cylinder (2), and the rotating ring (41) and the driving motor (3) are located on two sides of the inner cylinder (2) respectively.

2. A high stability horizontal drum washing cup according to claim 1, characterized in that: The cover (4) is fixedly arranged on a side close to the shell (1) and is provided with a cover plate (42), and the rotating ring (41) is arranged on the cover plate (42).

3. A high stability horizontal drum washing cup according to claim 1, characterized in that: The shell (1) is provided with a fixed ring (12), a blocking arc piece (13) and a matching arc piece (14) are arranged on a side of the shell (1) opposite to the fixed ring (12), the blocking arc piece (13) and the matching arc piece (14) are located at the same circumferential position, the blocking arc piece (13) has an extension part (15) extending to the fixed ring (12), the cover (4) is internally provided with a clamping block (43), the blocking arc piece (13) and the matching arc piece (14) have a sliding entrance (16) for the clamping block (43) to enter, and the blocking arc piece (13), the matching arc piece (14) and the clamping block (43) constitute detachable cooperation between the cover (4) and the shell (1).

4. A high stability horizontal drum washing cup according to claim 3, characterized in that: The cover (4) is provided with an extension ring (44) extending outward in the circumferential direction and the extension ring (44) is opposite to the fixed ring (12).

5. The high stability horizontal drum washing cup according to claim 1, characterized in that: The base (5) is provided with a placing groove (51) for placing the shell (1), the driving motor (3) is arranged in the base (5), the driving motor (3) has a driving shaft (31) extending to outside of the base (5) and entering the shell (1) to drive the inner cylinder (2) to rotate.

6. A high stability horizontal drum washing cup according to claim 5, characterized in that: The rotating disc (6) is arranged in the shell (1) and rotates synchronously with the driving shaft (31), the rotating disc (6) is provided with a protrusion (61) on a side close to the inner cylinder (2), the inner cylinder (2) is provided with a groove (21) matched with the protrusion (61), and the protrusion (61) and the groove (21) constitute synchronous rotation of the rotating disc (6) and the inner cylinder (2).

7. A high stability horizontal drum washing cup according to claim 6, characterized in that: The protrusion (61) is isosceles trapezoidal.