Fatigue-resistant washing machine fastener

By introducing fatigue-resistant components into the washing machine fasteners, utilizing the design of bolts, washers, and anti-slip textures, combined with the sliding structure of fastening rods and snap-fit ​​pieces, the problem of fastener loosening is solved, fatigue resistance is improved, and maintenance costs are reduced.

CN223549563UActive Publication Date: 2025-11-14NANTONG TONGTAI INTELLIGENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202423141203.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-14
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing washing machine fasteners have poor fatigue resistance during use and are prone to loosening due to prolonged vibration, increasing maintenance and repair costs.

Method used

It employs fatigue-resistant components, including bolts, washers, nuts, and anti-slip grooves. The anti-slip grooves secure the washers to the surface of the fasteners, and the sliding structure of the fastening rod and snap-fit ​​plate prevents the nuts and washers from loosening.

Benefits of technology

It effectively prevents nuts from loosening due to vibration or other factors after prolonged use, improves the fatigue resistance of fasteners, and reduces maintenance and repair costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fatigue-resistant fastener for a washing machine. The fatigue-resistant fastener for the washing machine comprises a fastened part and a connecting part, wherein a fatigue-resistant assembly is arranged on the inner side of the fastened part; the anti-fatigue assembly comprises a bolt arranged on the inner side of the fastened piece, a gasket is arranged on the peripheral side face of the bolt and located on the top of the fastened piece, and a nut is in threaded connection with the top of the peripheral side face of the bolt and located on the top of the gasket. According to the anti-fatigue washing machine fastener, the nut and the gasket are relatively fixed through the matched use of the anti-skid pattern gasket and the fastening rod, the gasket is attached to the surface of the fastener and cannot rotate due to the arrangement of the anti-skid patterns, and therefore the anti-fatigue washing machine fastener cannot rotate even after being used for a long time. In addition, when the clamping piece slides to the outer side of the bolt, the outer portion of the clamping piece can be clamped at the position of an internal thread of a fastened piece, the bolt is prevented from moving up and down, and fatigue resistance is further improved.
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Description

Technical Field

[0001] This utility model relates to the field of fasteners, and more particularly to fatigue-resistant washing machine fasteners. Background Technology

[0002] A washing machine is a household appliance primarily used for washing clothes. It uses a built-in motor to rotate the inner drum or pulsator, which, combined with water and detergent, removes stains and odors from clothes. There are various types of washing machines, including top-loading and front-loading models. Top-loading washing machines achieve their cleaning effect by using the rotation of a pulsator at the bottom to move water and clothes.

[0003] Fasteners are a general term for a class of mechanical parts, mainly used to fasten two or more parts (or components) together into a single unit. They come in many varieties, including but not limited to bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, retaining rings, pins, rivets, assemblies and connecting pairs, and welding studs.

[0004] Washing machines typically consist of multiple components, including the outer casing, inner drum, motor, shock absorbers, and control panel. These components need to be secured and connected using fasteners to ensure the stability and normal operation of the washing machine. Currently, washing machines often use bolts and nuts to fix two or more parts together. However, the vibrations generated during use can cause fatigue in the fasteners over time, leading to loosening and other problems, thus increasing maintenance and repair costs.

[0005] Therefore, it is necessary to provide fatigue-resistant washing machine fasteners to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides fatigue-resistant washing machine fasteners, which solves the problem that some existing washing machine fasteners have poor fatigue resistance during use, which may lead to loosening after long-term use.

[0007] To solve the above-mentioned technical problems, the present invention provides a fatigue-resistant washing machine fastener, comprising: a fastener, wherein a fatigue-resistant component is provided on the inner side of the fastener;

[0008] The fatigue-resistant component includes a bolt disposed inside the fastener, a washer disposed on the circumferential side of the bolt and at the top of the fastener, a nut threadedly connected to the top of the circumferential side of the bolt and at the top of the washer, and anti-slip texture disposed on the bottom of the washer.

[0009] Preferably, the nut has a sliding groove on its inner side, and a fastening rod is slidably provided on the inner side of the sliding groove. The top of the washer is provided with a plurality of fastening holes, and the bottom of the fastening rod is located inside the fastening holes.

[0010] Preferably, a first spring is provided at the top of the inner wall of the sliding groove, and the bottom end of the first spring is fixedly connected to the top end of the fastening rod.

[0011] Preferably, the bolt has a vertical through groove on its inner side, and a snap-fit ​​piece is provided on the left side of the bolt's circumferential side that can slide left and right, with the right side of the snap-fit ​​piece located inside the through groove.

[0012] Preferably, a push rod is provided on the inner side of the through groove that can slide up and down. When the push rod moves down, it will drive the snap-fit ​​piece to move to the left.

[0013] Preferably, a second spring is provided at the bottom of the inner wall of the through groove, and a limit rod is provided at the top of the second spring. The peripheral side of the limit rod is slidably connected to the inner side of the through groove.

[0014] Compared with related technologies, the fatigue-resistant washing machine fastener provided by this utility model has the following beneficial effects:

[0015] This utility model provides a fatigue-resistant washing machine fastener. Through the combined use of an anti-slip textured washer and a fastening rod, the nut and washer are relatively fixed. Due to the anti-slip texture, the washer adheres to the surface of the fastener and cannot rotate. Therefore, even after long-term use, vibration or other factors will not cause the nut to loosen by rotating on its own. In addition, when the retaining plate is slid to the outside of the bolt, the outside of the retaining plate will lock into the internal thread of the fastener, preventing the bolt from moving up and down, further improving fatigue resistance. Attached Figure Description

[0016] Figure 1 A schematic diagram of a preferred embodiment of the fatigue-resistant washing machine fastener provided by this utility model;

[0017] Figure 2 for Figure 1 A structural schematic diagram of the cross-sectional view of the bolt section shown;

[0018] Figure 3 for Figure 2 A structural schematic diagram of the front view of the bolt section shown;

[0019] Figure 4 for Figure 2 The diagram shows a front view of the nut section.

[0020] The following are the labels in the diagram: 1. Fastener; 2. Fatigue-resistant component; 21. Bolt; 22. Washer; 23. Nut; 24. Anti-slip texture; 25. Sliding groove; 26. Fastening rod; 27. Fastening hole; 28. First spring; 29. ​​Through groove; 3. Snap-fit ​​piece; 4. Push rod; 5. Second spring; 6. Limiting rod. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A schematic diagram of a preferred embodiment of the fatigue-resistant washing machine fastener provided by this utility model; Figure 2 for Figure 1 A structural schematic diagram of the cross-sectional view of the bolt section shown; Figure 3 for Figure 2 A structural schematic diagram of the front view of the bolt section shown; Figure 4 for Figure 2 The diagram shows a front view of the nut portion. The fatigue-resistant washing machine fastener includes: a fastener 1, and a fatigue-resistant component 2 is provided on the inner side of the fastener 1.

[0023] The fatigue-resistant component 2 includes a bolt 21 disposed inside the fastener 1, a washer 22 disposed on the peripheral side of the bolt 21 and at the top of the fastener 1, a nut 23 threadedly connected to the top of the peripheral side of the bolt 21 and at the top of the washer 22, and anti-slip texture 24 disposed on the bottom of the washer 22.

[0024] The use of bolt 21, washer 22 and nut 23 together allows the fasteners 1 to be fixed together. The anti-slip texture 24 ensures that the bottom of washer 22 is firmly fixed to the surface of the fasteners 1, preventing them from rotating.

[0025] The inner side of the nut 23 is provided with a sliding groove 25, and a fastening rod 26 is provided on the inner side of the sliding groove 25 that can slide up and down. The top of the washer 22 is provided with a plurality of fastening holes 27, and the bottom of the fastening rod 26 is located inside the fastening holes 27.

[0026] During the process of rotating and fixing the nut 23, the fastening rod 26 itself can be lifted by the vertical rod at the top of the fastening rod 26. After the nut 23 has been rotated, the fastening rod 26 can be lowered so that its bottom is inserted into a fastening hole 27, so that the nut 23 and the washer 22 are relatively fixed. The washer 22 cannot rotate due to the anti-slip texture 24. Therefore, even after long-term use, vibration or other factors will not cause the nut 23 to rotate on its own and loosen.

[0027] A first spring 28 is provided at the top of the inner wall of the sliding groove 25, and the bottom end of the first spring 28 is fixedly connected to the top end of the fastening rod 26.

[0028] A through groove 29 is vertically provided on the inner side of the bolt 21. A snap-fit ​​piece 3 is provided on the left side of the bolt 21 circumferential side, which can slide left and right. The right side of the snap-fit ​​piece 3 is located inside the through groove 29.

[0029] When the snap-fit ​​piece 3 is on the circumferential side of the bolt 21, it will not affect the bolt 21 thread from rotating to the nut 23 or the inner side of the fastener 1. When the snap-fit ​​piece 3 is pushed out, the outer side of the snap-fit ​​piece 3 will be locked at the inner thread of the fastener 1, preventing the bolt 21 from moving up and down.

[0030] A push rod 4 is provided on the inner side of the through groove 29, which can slide up and down. When the push rod 4 moves down, it will drive the snap-fit ​​piece 3 to move to the left.

[0031] By pressing down on the push rod 4, the snap-fit ​​piece 3 is slid to the outside of the bolt 21.

[0032] A second spring 5 is provided at the bottom of the inner wall of the through groove 29, and a limit rod 6 is provided at the top of the second spring 5. The peripheral side of the limit rod 6 is slidably connected to the inner side of the through groove 29.

[0033] After the push rod 4 moves downward, the second spring 5 will be further compressed. When the push rod 4 is pulled out, since the locking piece 3 that prevents the limit rod 6 from rising has been pushed to the left, the limit rod 6 slides upward under the action of the second spring 5 after the push rod 4 is pulled out, thereby preventing the locking piece 3 from retracting back into the through groove 29 when subjected to external force.

[0034] The working principle of the fatigue-resistant washing machine fastener provided by this utility model is as follows:

[0035] Step 1: During use, the fastener 1 can be fixed together by the cooperation of bolt 21, washer 22 and nut 23. The anti-slip texture 24 makes the bottom of washer 22 firmly fixed to the surface of the fastener 1, preventing it from rotating. After the nut 23 has rotated, the fastening rod 26 is lowered so that its bottom is inserted into a fastening hole 27, so that the nut 23 and washer 22 are relatively fixed. The washer 22 cannot rotate due to the anti-slip texture 24. Therefore, even after long-term use, the vibration or other factors will not cause the nut 23 to rotate on its own and loosen.

[0036] Step 2: After fixing, press down on the push rod 4 to slide the snap-fit ​​piece 3 to the outside of the bolt 21. The outside of the snap-fit ​​piece 3 will be locked at the internal thread of the fastener 1, preventing the bolt 21 from moving up and down and further improving fatigue resistance. When the push rod 4 is pulled out, the limit rod 6 slides upward under the action of the second spring 5, thereby preventing the snap-fit ​​piece 3 from retracting back into the through groove 29 when subjected to external force.

[0037] Compared with related technologies, the fatigue-resistant washing machine fastener provided by this utility model has the following beneficial effects:

[0038] The anti-slip texture 24, the washer 22, and the fastening rod 26 work together to fix the nut 23 and the washer 22 relatively. The washer 22 is attached to the surface of the fastener 1 due to the anti-slip texture 24 and cannot rotate. Therefore, even after long-term use, vibration or other factors will not cause the nut 23 to rotate on its own and loosen. In addition, when the snap-fit ​​piece 3 is slid to the outside of the bolt 21, the outside of the snap-fit ​​piece 3 will be locked at the internal thread of the fastener 1, preventing the bolt 21 from moving up and down and further improving fatigue resistance.

[0039] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fatigue-resistant washing machine fastener, characterized in that, include: Fastener (1), wherein a fatigue-resistant component (2) is provided on the inner side of the fastener (1); The fatigue-resistant component (2) includes a bolt (21) disposed inside the fastener (1), a washer (22) is disposed on the peripheral side of the bolt (21) and at the top of the fastener (1), a nut (23) is threadedly connected to the top of the peripheral side of the bolt (21) and at the top of the washer (22), and anti-slip texture (24) is provided on the bottom of the washer (22).

2. The fatigue-resistant washing machine fastener according to claim 1, characterized in that, The nut (23) has a sliding groove (25) on its inner side, and a fastening rod (26) is provided on the inner side of the sliding groove (25) that can slide up and down. The top of the washer (22) is provided with a plurality of fastening holes (27), and the bottom of the fastening rod (26) is located inside the fastening hole (27).

3. The fatigue-resistant washing machine fastener according to claim 2, characterized in that, A first spring (28) is provided at the top of the inner wall of the sliding groove (25), and the bottom end of the first spring (28) is fixedly connected to the top end of the fastening rod (26).

4. The fatigue-resistant washing machine fastener according to claim 1, characterized in that, The bolt (21) has a vertical through groove (29) on its inner side. A snap-fit ​​piece (3) is provided on the left side of the bolt (21) that can slide left and right. The right side of the snap-fit ​​piece (3) is located inside the through groove (29).

5. The fatigue-resistant washing machine fastener according to claim 4, characterized in that, A push rod (4) is provided on the inner side of the through groove (29) and can slide up and down. When the push rod (4) moves down, it will drive the snap-fit ​​piece (3) to move to the left.

6. The fatigue-resistant washing machine fastener according to claim 4, characterized in that, A second spring (5) is provided at the bottom of the inner wall of the through groove (29), and a limit rod (6) is provided at the top of the second spring (5). The peripheral side of the limit rod (6) is slidably connected to the inner side of the through groove (29).