Washing and drying all-in-one machine with damping structure
By combining hydraulic shock absorption components and eccentric counterweights, the problem of vibration caused by high-speed dehydration in washer-dryer combos is solved, resulting in more stable operation and a longer service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU EZVALO TECH CO LTD
- Filing Date
- 2025-04-23
- Publication Date
- 2026-05-12
AI Technical Summary
Existing washer-dryer combos experience severe vibrations during high-speed dehydration due to the coupling effect of centrifugal force and inertial force generated by the rotation of the drum. This can lead to problems such as machine displacement, increased noise, and component damage. Traditional vibration reduction solutions are difficult to effectively counteract multi-directional vibration energy and have poor adaptability, making it impossible to adjust the vibration reduction effect in real time.
The washer-dryer combo with a shock-absorbing structure includes a hydraulic shock-absorbing component, an eccentric counterweight, and an adsorption component. The axis of the hydraulic damping rod is at a 45° angle to the horizontal direction. The eccentric counterweight rotates with the rotating shaft to balance vibration. The hydraulic damping rod generates damping force through the flow of hydraulic oil to absorb vibration energy. The adsorption component enhances the adhesion to the ground. The overall system is dynamically matched with the equipment load to achieve adaptive shock absorption.
It effectively reduces lateral offset and resonance of equipment, improves equipment stability and service life, enhances ground support stability, improves vibration reduction efficiency, adapts to different ground environments, and extends equipment service life.
Smart Images

Figure CN224227466U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of washer-dryer combos, and more particularly to a washer-dryer combo with a shock-absorbing structure. Background Technology
[0002] During high-speed spin-drying, existing washer-dryer combos often experience severe vibrations due to the coupling effect of centrifugal force and inertial force generated by the rotating drum, leading to machine displacement, increased noise, and even component damage. Traditional vibration damping solutions mostly achieve vibration suppression through simple counterweights and unidirectional damping components, but these solutions still have significant shortcomings in practical use: Firstly, traditional counterweight structures have limited ability to balance complex vibrations and are unable to effectively counteract multi-directional vibration energy, making the equipment prone to lateral displacement or resonance during high-speed operation. Secondly, damping components have poor adaptability to different ground environments, especially on different floor materials (such as tiles, wood flooring, or carpet), where they are prone to problems such as unstable support and insufficient adhesion. Over long-term use, the damping performance further deteriorates, affecting the stability and lifespan of the equipment. Furthermore, existing technologies have low matching degrees between the damping system and the dynamic load of the equipment, making it impossible to adjust the damping effect in real time according to the vibration intensity, further restricting the improvement of damping efficiency. Utility Model Content
[0003] The purpose of this application is to provide a washer-dryer combo with a shock-absorbing structure to solve the problems of the prior art.
[0004] To achieve the above objectives, this application adopts the following technical solution:
[0005] On one hand, a washer-dryer combo with a shock-absorbing structure is provided, comprising: a body, a base, an eccentric counterweight, a hydraulic shock-absorbing assembly, and an adsorption assembly. The body is mounted on the base via the hydraulic shock-absorbing assembly. The eccentric counterweight is rotatably mounted at the bottom center of the body via a rotating shaft. The adsorption assembly is movably mounted on the bottom of the base. The hydraulic shock-absorbing assembly includes four circumferentially arranged hydraulic damping rods, the axis of which forms a 45° angle with the horizontal direction.
[0006] Furthermore, the bottom of the machine body is provided with a protrusion that engages with one end of the hydraulic damping rod, and the base is provided with a groove that engages with the other end of the hydraulic damping rod.
[0007] Furthermore, a locking shaft is provided in the groove and connected to the hydraulic damping rod.
[0008] Furthermore, the locking shaft includes a main shaft portion passing through the rod hole of the hydraulic damping rod, a locking portion extending horizontally from both ends of the main shaft portion, and a limiting portion located at the junction of the main shaft portion and the locking portion. The limiting portion abuts against and limits the outer peripheral surface of the rod hole, and the groove wall surface of the groove is provided with a locking hole that cooperates with the locking portion for locking.
[0009] Furthermore, the eccentric counterweight includes a main body and an eccentric portion protruding from one side of the bottom of the main body.
[0010] Furthermore, a stepped groove is provided on one side of the base opposite to the body, and the outer wall of the stepped groove is in clearance fit with the outer wall of the body.
[0011] Furthermore, the adsorption assembly includes a plurality of spaced-apart support rods and a plurality of suction cups spaced-apart at the bottom of the support rods, the support rods being slidably mounted on the bottom of the base.
[0012] Furthermore, a guide rail is provided on one side of the support rod opposite to the base, and a guide groove is provided on the base to cooperate with the guide rail.
[0013] Furthermore, the cross-section of the guide rail is T-shaped.
[0014] Furthermore, the inner wall of the suction cup is provided with radial folds, and its edges extend into a flexible sealing skirt.
[0015] The beneficial effects of this application are as follows: During high-speed dehydration in a washer-dryer combo, the machine body vibrates violently due to the coupling effect of centrifugal force and inertial force generated by the rotation of the drum. At this time, the eccentric counterweight can rotate with the rotating shaft, playing a certain balancing role in complex vibrations, offsetting some of the multi-directional vibration energy, and reducing the occurrence of lateral offset or resonance phenomena in the equipment. The hydraulic damping rods of the hydraulic shock absorption assembly are arranged in four circumferential directions with their axial direction at a 45° angle to the horizontal direction. This unique design can more comprehensively cope with vibrations from different directions. When the machine body vibrates, the hydraulic damping rods generate damping force through the flow of hydraulic oil, effectively absorbing and dissipating vibration energy, and achieving a good shock absorption effect. The adsorption assembly is movably installed at the bottom of the base, which can enhance the adsorption force between the base and different ground materials, improve support stability, adapt to different ground environments, reduce support instability caused by ground material problems, and maintain good shock absorption performance even after long-term use. Meanwhile, the overall vibration damping system has a high degree of matching with the dynamic load of the equipment. It can play a damping role to a certain extent according to the vibration intensity, improve the damping efficiency, effectively solve a series of problems caused by vibration during the high-speed dehydration process of existing washer-dryer combos, and improve the stability and service life of the equipment. Attached Figure Description
[0016] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.
[0017] Figure 1 This is a perspective view of the washer-dryer combo with shock-absorbing structure described in the embodiments of this application;
[0018] Figure 2 This is an exploded view of the washer-dryer combo with shock-absorbing structure described in the embodiments of this application;
[0019] Figure 3 This is a perspective view of the eccentric counterweight block described in the embodiments of this application;
[0020] Figure 4 This is a perspective view of the locking shaft described in an embodiment of this application;
[0021] Figure 5 This is a perspective view of the base described in the embodiment of this application;
[0022] Figure 6 This is a perspective view of the adsorption component described in the embodiments of this application.
[0023] In the diagram: 1. Body; 101. Boss; 2. Base; 201. Groove; 202. Step groove; 203. Guide groove; 3. Eccentric counterweight; 301. Main body; 302. Eccentric part; 4. Hydraulic shock absorption assembly; 401. Hydraulic damping rod; 5. Adsorption assembly; 501. Support rod; 502. Suction cup; 503. Guide rail; 6. Rotating shaft; 7. Locking shaft; 701. Main shaft; 702. Locking part; 703. Limiting part. Detailed Implementation
[0024] To make the technical problems solved by this application, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this application are further described in detail below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0025] In the description of this application, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0026] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0027] like Figures 1 to 6 As shown, this embodiment provides a washer-dryer combo with a shock-absorbing structure, including: a body 1, a base 2, an eccentric counterweight 3, a hydraulic shock-absorbing assembly 4, and an adsorption assembly 5. The body 1 is mounted on the base 2 via the hydraulic shock-absorbing assembly 4. The eccentric counterweight 3 is rotatably mounted at the bottom center of the body 1 via a rotating shaft 6. The adsorption assembly 5 is movably mounted on the bottom of the base 2. The hydraulic shock-absorbing assembly 4 includes four circumferentially arranged hydraulic damping rods 401, and the axial direction of the hydraulic damping rods 401 forms a 45° angle with the horizontal direction.
[0028] Based on the above scheme, when the washer-dryer enters the high-speed dehydration program, the high-speed rotation of the drum generates a strong coupling effect of centrifugal force and inertial force, causing the machine body 1 to vibrate violently. At this time, the eccentric counterweight 3 installed at the center of the bottom of the machine body 1 plays a key role, as it can rotate freely with the rotating shaft 6. When the machine body 1 sways in different directions due to vibration, the eccentric counterweight 3, by virtue of its rotational characteristics, can dynamically adjust its position to balance the complex vibration in real time. For example, when the machine body 1 shows a tendency to shift laterally, the eccentric counterweight 3 will rotate in the opposite direction under the action of centrifugal force, generating a reverse torque, thereby offsetting some of the multi-directional vibration energy, effectively reducing the occurrence of lateral shift or resonance of the equipment, and allowing the machine body 1 to maintain a relatively stable posture during high-speed operation.
[0029] The hydraulic damping assembly 4 is the core component for suppressing vibration. It consists of four circumferentially arranged hydraulic damping rods 401, with the axis of each rod at a 45° angle to the horizontal. This unique design allows the hydraulic damping rods 401 to more comprehensively cope with vibrations from different directions. When the machine body 1 is displaced due to vibration, the piston inside the hydraulic damping rod 401 moves within the cylinder under pressure, forcing hydraulic oil to flow through the damping orifice. The flow of hydraulic oil generates viscous resistance, which is converted into damping force, effectively absorbing and dissipating vibration energy. Because the axis is at a 45° angle to the horizontal, the hydraulic damping rods 401 can respond promptly regardless of whether the vibration comes from the horizontal or vertical direction, providing a stable damping effect and greatly reducing the impact of vibration on the machine body 1.
[0030] The adsorption component 5 is movably installed at the bottom of the base 2, further enhancing the adsorption force between the base 2 and different floor materials. When the washer-dryer combo is placed on different floor surfaces (such as tiles, wood floors, or carpets), the adsorption component 5 can adaptively adjust according to the actual floor conditions. When the equipment is placed on a smooth tile floor, the adsorption component 5 will adhere tightly to the floor through vacuum adsorption, providing strong support and preventing the equipment from slipping during high-speed operation. For relatively soft floors such as wood floors or carpets, the adsorption component 5 can also ensure a stable connection between the base 2 and the floor through its own elastic deformation and friction, avoiding instability caused by floor material issues. Moreover, the adsorption component 5 has good long-term stability, maintaining its adsorption force and shock absorption performance even after long-term use.
[0031] Furthermore, the overall vibration damping system exhibits a high degree of matching with the dynamic load of the equipment. During different operating stages of the washer-dryer combo, the vibration intensity varies, and the system automatically adjusts its damping effect accordingly. For example, in the initial stage of high-speed spin-drying, when the vibration intensity is high, the hydraulic damping rod 401 generates a large damping force, rapidly absorbing and dissipating vibration energy. In the later stages of spin-drying, as the vibration intensity gradually decreases, the hydraulic damping rod 401 adjusts its damping force accordingly, preventing excessive damping that could lead to sluggish equipment response. This adaptive damping adjustment mechanism further improves damping efficiency and effectively solves a series of problems caused by vibration during high-speed spin-drying in existing washer-dryer combos, such as machine displacement, increased noise, and component damage, significantly improving the stability and service life of the equipment.
[0032] Furthermore, the bottom of the machine body 1 is provided with a protrusion 101 that mates with one end of the hydraulic damping rod 401, and the base 2 is provided with a groove 201 that mates with the other end of the hydraulic damping rod 401. A locking shaft 7 is provided in the groove 201 and connected to the hydraulic damping rod 401. During the assembly of the washer-dryer combo, the protrusion 101 on the bottom of the machine body 1 mates with one end of the hydraulic damping rod 401. The shape and size of the protrusion 101 are carefully designed to perfectly fit the end of the hydraulic damping rod 401, ensuring a tight fit. After one end of the hydraulic damping rod 401 is inserted into the protrusion 101, it is securely connected to the protrusion 101 by a certain fixing method (such as bolt connection, snap connection, etc., which can be determined according to the actual design). The groove 201 on the base 2 mates with the other end of the hydraulic damping rod 401. The internal structure and dimensions of the groove 201 are also precisely calculated to ensure that the other end of the hydraulic damping rod 401 can be accurately inserted. Once the other end of the hydraulic damping rod 401 is inserted into the groove 201, the locking shaft 7 within the groove 201 functions, connecting with the hydraulic damping rod 401. The locking shaft 7 can be tightly engaged with the hydraulic damping rod 401 through threaded connections, interference fits, or other means, thereby restricting the axial movement of the hydraulic damping rod 401.
[0033] During normal operation of the washer-dryer combo, especially during the high-speed spin-drying stage, the machine body 1 experiences severe vibration due to the rotation of the drum. At this time, the hydraulic damping rod 401, as a key component for vibration reduction, maintains a stable working state through the engagement of the boss 101 and the groove 201 at both ends, and the connection of the locking shaft 7. When the machine body 1 vibrates, the piston inside the hydraulic damping rod 401 moves within the cylinder under pressure, forcing hydraulic oil to flow through the damping orifice, generating viscous resistance, and converting the vibration energy into heat energy for dissipation, thereby achieving the purpose of vibration reduction.
[0034] Specifically, the locking shaft 7 includes a main shaft portion 701 passing through the rod hole of the hydraulic damping rod 401, locking portions 702 extending horizontally from both ends of the main shaft portion 701, and a limiting portion 703 located at the junction of the main shaft portion 701 and the locking portions 702. The limiting portion 703 abuts against the outer peripheral surface of the rod hole for limiting. The groove wall of the groove 201 is provided with locking holes that cooperate with the locking portions 702 for locking. In a washer-dryer combo with a shock-absorbing structure, the locking shaft 7 is used to securely connect the hydraulic damping rod 401 to the groove 201 of the base 2. The main shaft portion 701 of the locking shaft 7 passes through the rod hole of the hydraulic damping rod 401, and the locking portions 702 at both ends extend horizontally. When the locking shaft 7 is installed in place, the locking portions 702 are precisely inserted into the locking holes, thereby axially fixing the hydraulic damping rod 401. The limiting part 703 is located at the junction of the main shaft part 701 and the locking part 702, and abuts against the outer circumference of the rod hole to limit its movement. This prevents the main shaft part 701 from being over-inserted into the rod hole, ensuring the accurate installation position of the locking shaft 7 and the hydraulic damping rod 401. This design makes the connection between the hydraulic damping rod 401 and the base 2 both firm and precise. When the washer-dryer generates strong vibrations during high-speed dehydration, it can effectively prevent the hydraulic damping rod 401 from axial movement and radial swaying, ensuring the stable operation of the vibration damping system, accurately absorbing and dissipating vibration energy, significantly improving the vibration damping effect and operational stability of the equipment, and reducing malfunctions and damage caused by vibration.
[0035] Furthermore, the eccentric counterweight 3 includes a main body 301 and an eccentric portion 302 protruding from one side of the bottom of the main body. The main body 301 of the eccentric counterweight 3 serves as the primary load-bearing structure, providing stable support for the entire counterweight. The eccentric portion 302 protruding from one side of the bottom of the main body is a key functional component. When the washer-dryer combo is spinning at high speed, the centrifugal force and inertial force generated by the rotation of the drum couple together, causing the machine body 1 to vibrate in complex ways. At this time, the eccentric counterweight 3 can rotate with the rotating shaft 6. Due to the presence of the eccentric portion 302, its center of mass is offset from the center of the rotating shaft 6. During the vibration of the machine body 1, the eccentric counterweight 3 will automatically adjust its position due to the centrifugal force and its own inertia, so that the reverse torque generated by the eccentric portion 302 is balanced with the torque generated by the vibration of the machine body 1. For example, when the machine body 1 tends to deviate due to vibration in a certain direction, the eccentric counterweight 3 will generate a force in the opposite direction during rotation through the action of the eccentric part 302, which will offset part of the vibration energy, effectively reduce the occurrence of lateral deviation or resonance of the equipment, so that the machine body 1 maintains a more stable posture when running at high speed, reduce the adverse effects of vibration on the equipment, and improve the operational stability and reliability of the washer-dryer combo.
[0036] It is worth mentioning that the base 2 has a stepped groove 202 on one side opposite the machine body 1, and the outer wall of the stepped groove 202 is in clearance fit with the outer wall of the machine body 1. This design plays an important role in the operation of the equipment. When the washer-dryer is in the high-speed dehydration stage, and the machine body 1 vibrates violently due to the rotation of the drum, the gap between the stepped groove 202 and the outer wall of the machine body 1 provides a certain buffer space for the vibration of the machine body 1. During vibration, the machine body 1 can make small relative movements within this gap range, avoiding excessive impact force generated between the machine body 1 and the base 2 due to rigid contact, thereby effectively reducing the damage of vibration to the equipment structure. At the same time, this clearance fit can also guide the vibration direction of the machine body 1 to a certain extent, so that the vibration energy is transmitted and dissipated more orderly, further improving the overall performance of the vibration damping system. In addition, the design of the stepped groove 202 also helps to improve the adaptability and stability of the equipment installation, making the connection between the machine body 1 and the base 2 more reasonable and reliable, helping to reduce the problem of vibration aggravation caused by improper installation, and significantly improving the operational stability and service life of the washer-dryer.
[0037] In some embodiments, the adsorption assembly 5 comprises a plurality of spaced-apart support rods 501 and a plurality of spaced-apart suction cups 502 at the bottom of the support rods 501. The support rods 501 are slidably mounted on the bottom of the base 2, and their guide rail portions 503, located on one side opposite the base 2, have a T-shaped cross-section that engages with guide grooves 203 on the base 2. This design allows the support rods 501 to slide stably within the guide grooves 203. When the washer-dryer is placed on different surfaces, such as moving from a smooth tile floor to a soft carpet surface, the contact state between the suction cups 502 and the floor needs adjustment due to differences in floor material and unevenness. In this case, the support rods 501 can slide flexibly within the guide grooves 203, causing the suction cups 502 to make fine adjustments to their position and angle, ensuring that the suction cups 502 are fully in contact with the floor. The engagement of the T-shaped guide rail portions 503 with the guide grooves 203 not only provides stable sliding guidance but also prevents the support rods 501 from detaching from the base 2 during sliding, ensuring structural reliability. Multiple suction cups 502 are spaced apart, increasing the contact area with the ground, improving the suction force, and enhancing the connection stability between the base 2 and the ground. When the washer-dryer vibrates during high-speed spin-drying, the suction component 5 can effectively reduce the shaking caused by uneven ground or insufficient suction force, further improving the overall shock absorption effect and operational stability of the equipment, adapting to different ground environments, and extending the service life of the equipment.
[0038] The suction cup 502 features radial pleats on its inner wall, with flexible sealing skirts extending from its edges. When the suction cup 502 is pressed against the ground by external force, the radial pleats deform, compressing the internal space to expel air, creating negative pressure and enhancing suction force. Furthermore, it can adaptively adjust its shape to maintain a tight fit during high-speed dehydration vibrations. The flexible sealing skirts at the edges first contact the ground and elastically deform, filling tiny gaps to prevent air from entering and maintaining the durability of negative pressure and suction force. This design enhances the adhesion between the suction cup 502 and the ground, firmly fixing the device and reducing shaking and displacement during high-speed dehydration. It adapts well to different ground conditions, ensuring consistent suction effect. The stable suction force reduces the impact of ground factors on device vibration, further improving the overall shock absorption effect, buffering vibration energy, reducing component damage, and extending service life. Simultaneously, the firmly fixed device reduces shaking and displacement, also reducing noise generated by vibration, creating a quiet and comfortable operating environment for users.
[0039] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no special meaning.
[0040] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.
[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0042] The technical principles of this application have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this application without inventive effort, and these embodiments will all fall within the scope of protection of this application.
Claims
1. A washer-dryer combo with a shock-absorbing structure, characterized in that, include: The device comprises a body, a base, an eccentric counterweight, a hydraulic shock absorber assembly, and an adsorption assembly. The body is mounted on top of the base via the hydraulic shock absorber assembly. The eccentric counterweight is rotatably mounted at the bottom center of the body via a rotating shaft. The adsorption assembly is movably mounted on the bottom of the base. The hydraulic shock absorber assembly includes four circumferentially arranged hydraulic damping rods, with the axis of each hydraulic damping rod forming a 45° angle with the horizontal direction.
2. The washer-dryer combo with shock-absorbing structure according to claim 1, characterized in that, The bottom of the machine body has a protrusion that connects to one end of the hydraulic damping rod, and the base has a groove that connects to the other end of the hydraulic damping rod.
3. The washer-dryer combo with shock-absorbing structure according to claim 2, characterized in that, A locking shaft is provided in the groove and connected to the hydraulic damping rod.
4. The washer-dryer combo with shock-absorbing structure according to claim 3, characterized in that, The locking shaft includes a main shaft portion passing through the rod hole of the hydraulic damping rod, a locking portion extending horizontally from both ends of the main shaft portion, and a limiting portion located at the junction of the main shaft portion and the locking portion. The limiting portion abuts against the outer peripheral surface of the rod hole for limiting. The groove wall surface of the groove is provided with a locking hole that cooperates with the locking portion for locking.
5. The washer-dryer combo with shock-absorbing structure according to claim 1, characterized in that, The eccentric counterweight includes a main body and an eccentric portion protruding from one side of the bottom of the main body.
6. The washer-dryer combo with shock-absorbing structure according to any one of claims 1-5, characterized in that, The base has a stepped groove on one side opposite the body, and the outer wall of the stepped groove is in clearance fit with the outer wall of the body.
7. The washer-dryer combo with shock-absorbing structure according to any one of claims 1-5, characterized in that, The adsorption assembly includes multiple spaced-apart support rods and multiple suction cups spaced-apart at the bottom of the support rods, with the support rods slidably mounted on the bottom of the base.
8. The washer-dryer combo with shock-absorbing structure according to claim 7, characterized in that, The support rod has a guide rail on one side opposite to the base, and the base has a guide groove that mates with the guide rail.
9. The washer-dryer combo with shock-absorbing structure according to claim 8, characterized in that, The cross-section of the guide rail is T-shaped.
10. The washer-dryer combo with shock-absorbing structure according to claim 7, characterized in that, The inner wall of the suction cup is provided with radial folds, and its edge extends into a flexible sealing skirt.