Balancing ring of washing machine

Abstract

The utility model relates to a washing machine balancing ring, which comprises an upper ring body and a lower ring body, the upper ring body comprises an upper inner ring and an upper outer ring, the upper inner ring and the upper outer ring are respectively provided with an upper inner annular groove and an upper outer annular groove, an upper ring cavity is formed between the upper inner ring and the upper outer ring, and an upper ring reinforcing rib is arranged in the upper ring cavity; the lower ring body comprises a lower inner ring and a lower outer ring, a lower inner protruding ring and a lower outer protruding ring are arranged on the lower inner ring and the lower outer ring respectively, a lower ring cavity is formed between the lower inner ring and the lower outer ring, and lower ring reinforcing ribs are arranged in the lower ring cavity. An upper inner annular groove and an upper outer annular groove correspond to a lower inner convex ring and a lower outer convex ring correspondingly, so that after the upper ring body and the lower ring body are assembled, the upper ring body and the lower ring body are subjected to friction welding through friction welding equipment to form an integrated structure; the upper ring body and the lower ring body are of an integrated structure in a friction welding mode, welding is firm, the welding speed is high, cost is low, and the defects of deformation, warping, edge folding and the like can be effectively overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to a washing machine technical field especially relates to a washing machine balance ring. BACKGROUND

[0002] The washing machine is a kind of household appliance by high-speed rotation to wash, spin dry clothes, in order to reduce the eccentric vibration of inner tube of washing machine (especially drum washing machine) when high-speed rotation, usually need to set balance ring on the end face of inner tube.The existing balance ring usually includes a ring body, ring body is equipped with annular cavity, fill balance liquid in annular cavity, when washing machine works, if inner tube occurs eccentric, balance liquid can offset a part of centrifugal force by flowing.However, the balance ring of the prior art, only set balance liquid in annular cavity, due to manufacturing and using the annular cavity of balance ring is prone to crack, cause balance liquid leakage, when inner tube occurs eccentric, there is not enough balance liquid to balance eccentric force, lead to the failure of balance ring, cannot reduce the vibration of washing machine.

[0003] In view of the above-mentioned defects, the existing balance ring is set to upper ring body and lower ring body, and the upper ring body and the lower ring body are connected and fixed by a connecting structure or a hot melt adhesive paste structure. After connection, problems such as unstable fixing, deformation and warping are prone to occur, and the hot melt adhesive paste structure connection may have a folded edge. Of course, the connection can also be achieved by hot plate welding. However, hot plate welding requires special plastic, and the plastic must be new. In addition, the welding time is relatively long and the strength is large, so the product connection cost is relatively high. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of washing machine balance rings, it is connected after the cooperation of two layers of convex ring and ring groove with upper ring body and lower ring body, upper ring body and lower ring body are integrally structured using friction welding between upper ring body and lower ring body, welding is firm, welding speed is fast, cost is lower, can effectively avoid the defects such as deformation, warping, folded edge.

[0005] To solve the above technical problems, the utility model solves the problem by the following technical scheme: a washing machine balance ring, including upper ring body and lower ring body matched with upper ring body, the upper ring body includes upper inner ring and upper outer ring, the upper inner ring and the upper outer ring are respectively provided with upper inner ring groove and upper outer ring groove, the upper ring cavity is formed between the upper inner ring and the upper outer ring, and the upper ring cavity is provided with an upper ring reinforcing rib; the lower ring body includes lower inner ring and lower outer ring, the lower inner ring and the lower outer ring are respectively provided with lower inner convex ring and lower outer convex ring, the lower ring cavity is formed between the lower inner ring and the lower outer ring, and the lower ring cavity is provided with a lower ring reinforcing rib corresponding to the upper ring reinforcing rib, the upper inner ring groove and the upper outer ring groove are respectively matched with the lower inner convex ring and the lower outer convex ring, so that the upper ring body and the lower ring body are matched and integrally structured by friction welding equipment.

[0006] Preferably, the lower ring reinforcing rib is provided with installation notches on both sides of the lower inner convex ring and the lower outer convex ring, and a reinforcing column is arranged in the middle of the lower ring reinforcing rib.

[0007] Further preferably, a connecting seat is arranged inside the bottom end of the lower ring body for facilitating connection with the top end of the inner drum of the washing machine, and a connecting groove is arranged on the connecting seat.

[0008] Further preferably, a plurality of connecting openings are arranged on the outer edge of the bottom end of the lower ring body for facilitating cooperative connection with the top end of the inner drum of the washing machine.

[0009] Further preferably, three square blind holes and three circular blind holes are uniformly arranged on the top end of the upper ring body, and the three square blind holes and the three circular blind holes are connected through reinforcing convex strips.

[0010] The utility model discloses a structure of the upper ring body and the lower ring body, and the upper ring body and the lower ring body are connected through the friction welding equipment, and the upper ring body and the lower ring body are connected into an integral structure through the friction welding equipment. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structure schematic diagram of the utility model.

[0012] Fig. 2 It is the structure schematic diagram of another angle of the utility model.

[0013] Fig. 3 It is the exploded structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] The utility model will be described further in detail in combination with the drawings and the embodiments.

[0015] As Figs. 1-3As shown, a washing machine balance ring, including the upper ring body 1 and the lower ring body 2 connected with the upper ring body 1, the upper ring body 1 includes the upper inner ring 11 and the upper outer ring 12, the upper inner ring 11 and the upper outer ring 12 are respectively provided with the upper inner ring groove 13 and the upper outer ring groove 14, the upper ring cavity 15 is formed between the upper inner ring 11 and the upper outer ring 12, and the upper ring reinforcing rib 16 is arranged in the upper ring cavity 15; the lower ring body 2 includes the lower inner ring 21 and the lower outer ring 22, the lower inner ring 21 and the lower outer ring 22 are respectively provided with the lower inner convex ring 23 and the lower outer convex ring 24, the lower ring cavity 25 is formed between the lower inner ring 21 and the lower outer ring 22, and the lower ring reinforcing rib 26 is arranged in the lower ring cavity 25 and corresponds to the upper ring reinforcing rib 16, the upper inner ring groove 13 and the upper outer ring groove 14 are respectively matched with the lower inner convex ring 23 and the lower outer convex ring 24, the upper ring body 1 is matched with the upper ring body 1, and the upper ring body 1 is matched with the upper ring body 1 through the friction welding equipment, so that the upper ring body 1 and the upper ring body 1 are integrally formed through friction welding, the upper ring body 1 and the lower ring body 2 are integrally formed through friction welding, the welding is firm, the welding speed is fast, the cost is low, and the defects such as deformation, warping and edge folding can be effectively avoided.

[0016] In the embodiment, the lower ring reinforcing rib 26 is provided with the mounting notch 27 on both sides of the lower inner convex ring 23 and the lower outer convex ring 24, the lower ring reinforcing rib 26 is provided with the reinforcing column in the middle, the mounting notch 27 facilitates the connection of the upper ring body 1 and the lower ring body 2, the upper ring body 1 is placed in the lower ring body 2, the upper ring body 1 can rotate, the upper ring reinforcing rib 16 and the lower ring reinforcing rib 26 are matched and rotated to be accurately connected and supported, and finally the balance ring welded through friction is firm in connection and sufficient in strength.

[0017] In the embodiment, the lower ring body 2 is internally provided with the connecting seat 28 at the bottom end, the connecting seat 28 is provided with the connecting groove, the lower ring body 2 is externally provided with the connecting port 29 at the bottom end, the connecting seat 28 and the connecting port 29 facilitate the closer and more stable axial rotation of the top end of the cylinder body.

[0018] In the embodiment, the upper ring body 1 is uniformly provided with the three square blind holes 17 and the three circular blind holes at the top end, the three square blind holes 17 and the three circular blind holes are connected through the reinforcing convex strips 18, the three square blind holes 17 facilitate the connection of the friction welding equipment, and the reinforcing convex strips 18 can improve the strength of the upper ring body 1.

[0019] According to the idea of the utility model, there will be changes in the specific implementation and application range, and the content of the specification should not be understood as a limitation of the utility model.

Claims

1. A balancing ring for a washing machine, characterised in that: Including the upper ring body and the lower ring body matched with the upper ring body, the upper ring body includes the upper inner ring and the upper outer ring, the upper inner ring and the upper outer ring are respectively provided with the upper inner ring groove and the upper outer ring groove, the upper ring cavity is formed between the upper inner ring and the upper outer ring, and the upper ring reinforcing rib is arranged in the upper ring cavity; the lower ring body includes the lower inner ring and the lower outer ring, the lower inner ring and the lower outer ring are respectively provided with the lower inner convex ring and the lower outer convex ring, the lower ring cavity is formed between the lower inner ring and the lower outer ring, the lower ring reinforcing rib is arranged in the lower ring cavity and corresponds to the upper ring reinforcing rib, the upper inner ring groove and the upper outer ring groove are matched with the lower inner convex ring and the lower outer convex ring respectively, the upper ring body and the lower ring body are matched, and the upper ring body and the lower ring body are integrally formed through the friction welding equipment.

2. A balancing ring for a washing machine as claimed in claim 1, characterised in that: The lower ring reinforcing rib is provided with the mounting notch on the two sides of the lower inner convex ring and the lower outer convex ring, and the reinforcing column is arranged in the middle of the lower ring reinforcing rib.

3. A balancing ring for a washing machine as claimed in claim 1, characterized in that: The inner bottom of the lower ring body is provided with the connecting seat which is convenient for connecting with the top end of the inner drum of the washing machine, and the connecting groove is arranged on the connecting seat.

4. A balancing ring for a washing machine as claimed in claim 1, characterized in that: The outer edge of the bottom end of the lower ring body is provided with a plurality of connecting ports which are convenient for connecting with the top end of the inner drum of the washing machine.

5. A balancing ring for a washing machine as claimed in claim 1, characterized in that: The top end of the upper ring body is uniformly provided with three square blind holes and three circular blind holes, and the three square blind holes and the three circular blind holes are connected through the reinforcing convex strip.

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