Weight-reducing water pump pulley
By setting a circular groove, a rubber ring, and a weight-reducing recess on the water pump pulley, the problems of heavy weight and poor heat dissipation were solved, achieving both lightweighting and improved heat dissipation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU WUXI HUISHAN PUMP IND
- Filing Date
- 2025-06-03
- Publication Date
- 2026-05-29
AI Technical Summary
The existing water pump pulleys are solid, resulting in a large weight and poor heat dissipation performance, making them unsuitable for lightweight and compact water pumps.
A weight-reducing water pump pulley was designed by setting a circular deep groove and a rubber ring on the hub, and opening a main weight-reducing groove and a secondary weight-reducing pit on the cover plate to reduce weight and improve heat dissipation performance.
This design achieves lightweight pulleys with good heat dissipation, while enhancing filler strength and shock absorption.
Smart Images
Figure CN224301333U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a water pump pulley, specifically a weight-reducing water pump pulley. Background Technology
[0002] The water pump pulley is a solid structure, which results in a large weight. The solid structure also makes heat dissipation difficult, which is not suitable for lightweight and compact water pumps. Utility Model Content
[0003] To address the shortcomings of the prior art, this utility model provides a weight-reducing water pump pulley. This utility model features grooves and recesses to reduce weight, resulting in a lightweight design and better heat dissipation.
[0004] To achieve the above technical objectives, this utility model adopts the following technical solution: a weight-reducing water pump pulley, comprising spokes, a hub, and an annular cover plate, wherein the spokes and the hub are coaxial, the inner circle of the cover plate is connected to one end of the outer circle of the hub, and the outer circle of the cover plate is connected to the middle of the inner circle of the spokes; the hub has an annular deep groove, and a rubber ring is provided in the annular deep groove; the cover plate has a main weight-reducing groove and a first secondary weight-reducing recess and a second secondary weight-reducing recess.
[0005] Furthermore, the annular deep groove is L-shaped, with the long end of L parallel to the shaft hole to form the deep groove of the annular deep groove, and the short end of L perpendicular to the shaft hole and located on the outside to form the shallow groove of the annular deep groove, and the rubber ring is L-shaped.
[0006] Furthermore, the inner end of the deep groove of the annular groove is provided with an inclined annular surface, the outer circle of the hub is provided with an inclined outer circular surface, the inclined annular surface is parallel to the inclined outer circular surface, and the rubber ring is provided with an inclined surface that matches the inclined annular surface.
[0007] Furthermore, the main weight-reducing groove is arc-shaped, with its center concentric with the shaft hole, and there are three of them.
[0008] Furthermore, the first and second weight-reducing recesses are located on both sides of the cover plate and on both sides of the main weight-reducing groove.
[0009] Furthermore, the first set has 9 weight-reduction indentations, and the second set has 3 weight-reduction indentations.
[0010] Furthermore, the depth of the first weight-reducing recess is less than half the thickness of the cover plate, and the depth of the second weight-reducing recess is less than half the thickness of the cover plate.
[0011] In summary, this utility model achieves the following technical effects:
[0012] This utility model features a circular groove and a rubber ring. The circular groove reduces the weight of the wheel hub, while the rubber ring enhances strength, increases shock absorption, and provides good heat dissipation.
[0013] This invention features shallow recesses on both sides to reduce the weight of the pulley, achieving lightweight design and improved heat dissipation. Attached Figure Description
[0014] Figure 1 This is a schematic diagram showing the usage status of a weight-reducing water pump pulley.
[0015] Figure 2 This is a schematic diagram of a weight-reducing water pump pulley.
[0016] Figure 3 This is the front view of the pulley. Detailed Implementation
[0017] The present invention will be further described in detail below with reference to the accompanying drawings.
[0018] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
[0019] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 utility model.
[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., 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 utility model according to the specific circumstances.
[0022] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0023] Example:
[0024] Figure 1 This is a schematic diagram illustrating the usage of a weight-reducing water pump pulley. Figure 2 This is a schematic diagram of a weight-reducing water pump pulley, including spokes 1, a hub 2, and an annular cover plate 3. The spokes 1 and the hub 2 are coaxial. The inner circle of the cover plate 3 is connected to one end of the outer circle of the hub 2, and the outer circle of the cover plate 3 is connected to the middle of the inner circle of the spokes 1. The hub 2 has an annular deep groove 8, and a rubber ring 9 is placed in the annular deep groove 8. The cover plate 3 has a main weight-reducing groove 5 and a first secondary weight-reducing recess 6 and a second secondary weight-reducing recess 7.
[0025] The annular deep groove 8 is L-shaped. The long end of the L is parallel to the shaft hole 4, forming the deep groove of the annular deep groove 8. The short end of the L is perpendicular to the shaft hole 4 and located on the outer side, forming the shallow groove of the annular deep groove 8. The rubber ring 9 is L-shaped. The inner end of the deep groove of the annular deep groove 8 is provided with a slanted annular surface 81. The outer circle of the hub 2 is provided with a slanted outer circular surface 21. The slanted annular surface 81 is parallel to the slanted outer circular surface 21. The rubber ring 9 is provided with a slanted surface that matches the slanted annular surface 81.
[0026] This utility model features a circular groove 8 and a rubber ring 9, which can reduce the weight of the wheel hub 2. The circular groove 8 is placed at the thicker end of the wheel hub 2 and the rubber ring 9 is embedded to fill the gap, thereby increasing the strength and shock absorption performance.
[0027] Figure 3 This is the front view of the pulley. Figure 3The first secondary weight-reducing recess 6, indicated by a dashed line, is located on the back side. The main weight-reducing groove 5 is arc-shaped, with its center concentric with the shaft hole 4, and there are three of them. The first secondary weight-reducing recess 6 and the second secondary weight-reducing recess 7 are located on both sides of the cover plate 3, and on both sides of the main weight-reducing groove 5. There are nine first secondary weight-reducing recesses 6 and three second secondary weight-reducing recesses 7. The depth of the first secondary weight-reducing recess 6 is less than half the thickness of the cover plate 3, and the depth of the second secondary weight-reducing recess 7 is less than half the thickness of the cover plate 3.
[0028] This utility model features two recesses to reduce the weight of the pulley. The design depth is relatively small, and the recesses are located on both sides to minimize the impact on strength, thus achieving a lightweight pulley.
[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims
1. A weight-reducing water pump pulley, characterized in that: The wheel includes spokes (1), hub (2), and annular cover plate (3). The spokes (1) and hub (2) are coaxial. The inner circle of the cover plate (3) is connected to one end of the outer circle of the hub (2), and the outer circle of the cover plate (3) is connected to the middle of the inner circle of the spokes (1). The hub (2) has an annular deep groove (8), and a rubber ring (9) is provided in the annular deep groove (8). The cover plate (3) has a main weight reduction groove (5) and a first secondary weight reduction recess (6) and a second secondary weight reduction recess (7).
2. The weight-reducing water pump pulley according to claim 1, characterized in that: The annular deep groove (8) is L-shaped. The long end of L is parallel to the shaft hole (4) to form the deep groove of the annular deep groove (8), and the short end of L is perpendicular to the shaft hole (4) and located on the outside to form the shallow groove of the annular deep groove (8). The rubber ring (9) is L-shaped.
3. The weight-reducing water pump pulley according to claim 2, characterized in that: The inner end of the deep groove of the annular groove (8) is provided with an inclined annular surface (81), the outer circle of the hub (2) is provided with an inclined outer circular surface (21), the inclined annular surface (81) is parallel to the inclined outer circular surface (21), and the rubber ring (9) is provided with an inclined surface that matches the inclined annular surface (81).
4. The weight-reducing water pump pulley according to claim 1, characterized in that: The main weight-reducing groove (5) is arc-shaped, and its center is concentric with the shaft hole (4), and there are 3 of them.
5. The weight-reducing water pump pulley according to claim 1, characterized in that: The first secondary weight-reducing recess (6) and the second secondary weight-reducing recess (7) are located on the two sides of the cover plate (3) and on both sides of the main weight-reducing groove (5).
6. The weight-reducing water pump pulley according to claim 5, characterized in that: The first set of weight reduction pits (6) has 9 pits, and the second set of weight reduction pits (7) has 3 pits.
7. A weight-reducing water pump pulley according to claim 5, characterized in that: The depth of the first weight-reducing recess (6) is less than half the thickness of the cover plate (3), and the depth of the second weight-reducing recess (7) is less than half the thickness of the cover plate (3).