Valve plate for electric control silicone oil clutch

Abstract

The utility model discloses a valve plate for an electric control silicone oil clutch, which comprises an armature, an elastic sheet, rivets, an oil inlet baffle plate and an oil return baffle plate, the armature is fixed on one side of the elastic sheet through the rivets, the oil inlet baffle plate and the oil return baffle plate are fixed on the other side of the elastic sheet through the rivets, and the oil inlet baffle plate and the oil return baffle plate are staggered at a certain angle and have a height difference. A plurality of irregular hollow structures are arranged in the middle of the elastic sheet; a plurality of protruding parts are arranged on the edge of the elastic piece at intervals, and the protruding parts are in a wave shape. According to the utility model, the lug boss is designed to be wave-shaped, and the area of the lug boss is increased, so that not only can the flatness deviation generated during processing be reduced, but also the anti-deformation capability can be enhanced, thereby ensuring the stability of an assembly dimension chain and the sealing performance between the valve plate and the oil outlet hole as well as between the valve plate and the oil return hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric control silicon oil clutch water pump, specifically relates to a valve piece for electric control silicon oil clutch. BACKGROUND

[0002] The working principle of the electric control silicon oil water pump is that the shearing force of the silicon oil in the clutch working cavity drives the water pump impeller to rotate, and the amount of the silicon oil in the working cavity directly affects the size of the silicon oil shearing force, and then affects the torque that the silicon oil can bear, and the valve piece is a key part for controlling the silicon oil to enter and exit the working cavity, and the sealing state of the silicon oil inlet hole and the oil return hole directly affects the amount of the silicon oil, that is, the rotating speed of the water pump impeller. The valve piece includes an armature, a spring piece, a rivet, an oil inlet baffle and an oil return baffle, the oil inlet baffle and the oil return baffle have a height difference, and in the assembled state, the upper and lower ends of the oil inlet baffle and the oil return baffle of the valve piece clamp the oil distribution disc of the electric control silicon oil clutch, wherein the oil inlet baffle is used for plugging the oil inlet hole on the oil distribution disc, and the oil return baffle is used for plugging the oil return hole on the oil distribution disc.

[0003] Due to the machining tolerance, the thickness of the oil distribution disc is prone to be insufficient, so a plurality of protruding portions are usually arranged on the periphery of the valve piece, in the prior art, in order to facilitate machining, the protruding portions are usually directly bent and arched upward from the outer periphery to the narrowest part of the hollow part, and the structure is shown in Figure 1 With the increase of the use time, the protruding portions are worn and deformed, so that the cooperation precision of the valve piece and the related parts is reduced. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a stable and reliable valve piece for an electric control silicon oil clutch.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a valve piece for an electric control silicon oil clutch, including an armature, a spring piece, a rivet, an oil inlet baffle and an oil return baffle, the armature is fixed on one side of the spring piece through the rivet, the oil inlet baffle and the oil return baffle are fixed on the other side of the spring piece through the rivet, the oil inlet baffle and the oil return baffle are staggered by a certain angle and have a height difference, and a plurality of irregular hollow structures are arranged in the middle of the spring piece.

[0006] As a preferred technical scheme, the arrangement of the plurality of hollow structures forms a plurality of weak areas and reinforced areas which are arranged at intervals on the periphery of the valve piece, and the protruding portions are arranged in the reinforced areas.

[0007] In one embodiment, the circumferential edge of the valve plate is spaced to form five weak areas and five reinforced areas, wherein the edges of four of the reinforced areas are provided with a protrusion, and the edge of the remaining one of the reinforced areas is provided with a limiting groove.

[0008] In one embodiment, the included angle between adjacent protrusions is 71°.

[0009] In one embodiment, the length of each of the plurality of protrusions is 15 mm.

[0010] In one embodiment, the height of each of the plurality of protrusions is 0.7 mm.

[0011] The utility model discloses a valve plate with a protrusion, which is designed in a wave shape, thereby increasing the area of the protrusion, reducing the flatness deviation during processing, enhancing the anti-deformation capability, and ensuring the stability of the assembly size chain and the sealing performance between the valve plate and the oil outlet hole and the oil return hole. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic view of the three-dimensional structure of the valve plate in the prior art;

[0013] Figure 2 is a schematic view of the three-dimensional structure of the valve plate in the embodiment of the utility model;

[0014] Figure 3 is a schematic view of the planar structure of the valve plate in the embodiment of the utility model;

[0015] Figure 4 is a schematic view of the structure of the protrusion of the valve plate in the embodiment of the utility model;

[0016] The reference signs are: 1, hollow structure; 2, protrusion; 3, limiting groove. DETAILED DESCRIPTION

[0017] For the convenience of understanding of those skilled in the art, the utility model is further described below in combination with the embodiments and the drawings, and the content mentioned in the embodiments is not a limitation on the utility model.

[0018] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model 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 a limitation on the utility model.

[0019] In the description of the utility model, it needs to explain, unless otherwise stipulated and limited, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be mechanical connection or electrical connection, also can be two element inside the intercommunication, can be direct connection, also can be indirectly connected through the intermediate medium, for ordinary skilled in the art, can understand the specific meaning of the term according to specific circumstances.

[0020] As Figures 2 to 4 The utility model discloses a valve piece for electric control silicon oil clutch, including armature, elastic sheet, rivet, oil inlet baffle and oil return baffle, armature is fixed in the one side of elastic sheet through rivet, oil inlet baffle and oil return baffle are fixed in the other side of elastic sheet through rivet, oil inlet baffle and oil return baffle are staggered a certain angle and both have height difference, the middle part of elastic sheet is equipped with multiple irregular hollow structures 1, the setting of multiple hollow structures 1 makes the circumference of whole valve piece form multiple weak areas and reinforcing areas of interval collocation, multiple convex parts 2 are arranged at interval in reinforcing area, and the shape of convex part 2 is wave shape.

[0021] As Figure 3 Specifically, the circumference of the valve piece in the embodiment is spaced to form five weak areas and five reinforcing areas, the edges of four of the reinforcing areas are provided with one convex part 2, and the edge of the remaining one reinforcing area is provided with one limiting groove 3.

[0022] As Figure 3 、 4 The included angle between adjacent convex parts 2 is 71°; the length of each of the multiple convex parts 2 is 15 mm; and the height of each of the multiple convex parts 2 is 0.7 mm.

[0023] The embodiment designs the convex part 2 as a wave shape, increases the area of the convex part, which not only reduces the flatness deviation generated during processing, but also enhances the anti-deformation capability, thereby ensuring the stability of the assembly dimension chain and the sealing between the valve piece and the oil outlet hole and the oil return hole; the convex part 2 is arranged in the reinforcing area of the valve piece, which can further enhance the anti-deformation capability of the convex part 2.

[0024] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can also be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

[0025] In order to make ordinary skilled in the art more conveniently understand the improvement of the utility model relative to the prior art, some drawings and descriptions of the utility model have been simplified, and some other elements have been omitted in the application file for the sake of clarity, and the person skilled in the art should realize that these omitted elements can also constitute the content of the utility model.

Claims

1. A valve plate for an electrically controlled silicone oil clutch, comprising an armature, a spring plate, rivets, an oil inlet baffle and an oil return baffle, the armature is fixed on one side of the spring plate through the rivets, the oil inlet baffle and the oil return baffle are fixed on the other side of the spring plate through the rivets, the oil inlet baffle and the oil return baffle are staggered at a certain angle and have a height difference, and a plurality of irregular hollow structures (1) are arranged in the middle of the spring plate; characterized in that: The edges of the elastic sheet are provided with a plurality of protrusions (2), which are in a wave shape.

2. A valve plate for an electrically controlled silicone oil clutch according to claim 1, characterized in that: The plurality of hollow structures (1) are arranged to form a plurality of weak areas and reinforced areas on the periphery of the valve sheet, and the protrusions (2) are arranged on the reinforced areas.

3. A valve plate for an electrically controlled silicone oil clutch according to claim 2, characterized in that: The periphery of the valve sheet is provided with five weak areas and five reinforced areas, the edges of four of the reinforced areas are provided with a protrusion (2), and the edge of the remaining one is provided with a limiting groove (3).

4. The valve plate for an electrically controlled silicone oil clutch of claim 3, wherein: The included angle between adjacent protrusions (2) is 71°.

5. A valve plate for an electrically controlled silicone oil clutch according to any one of claims 1 to 4, characterized in that: The length of each of the plurality of protrusions (2) is 15 mm.

6. A valve plate for an electrically controlled silicone oil clutch according to any one of claims 1 to 4, characterized in that: The height of each of the plurality of protrusions (2) is 0.7 mm.

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