Sectional type edge forming sealing structure

Abstract

The utility model discloses a sectional type edge forming sealing structure, and relates to the technical field of shell plane sealing, the sectional type edge forming sealing structure comprises a closed annular supporting structure and a sealing piece, the supporting structure at least comprises two base body parts, and any two adjacent base body parts are connected through a connecting assembly to enable the supporting structure to be closed. The sealing piece is installed on the inner wall and / or the outer wall of the supporting structure. The sealing structure not only can be used for flange surfaces of a motor shell, a speed reducer shell and an inverter shell, but also can be used for an air-conditioning refrigeration system, provides a good long-term sealing function for a motor, a speed reducer, an inverter and the like, can meet the requirement of repeated disassembly and assembly, can also realize automatic assembly, and is high in practicability. And the deformation risk in the manufacturing process can be effectively reduced through the sectional structure, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of shell plane seal, and particularly relates to a sectional edge forming seal structure. BACKGROUND

[0002] The electric drive system of the electric automobile comprises a motor, a speed reducer and an inverter, cooling liquid or cooling oil is injected into the electric drive system for lubrication and system cooling, the oil and the liquid circulate in the integrated system, and the electric drive system needs post-maintenance and repair, therefore, the oil and the liquid in the electric drive system need to be sealed to prevent leakage and prevent external liquid or dust from entering the system to pollute the oil and the liquid, and the electric drive system needs to be repeatedly disassembled for maintenance and repair.

[0003] The traditional press-in seal ring can meet the above requirements, but a groove needs to be processed on the flange surface of the shell, which increases the shell processing cost and the seal ring cannot be automatically assembled; the setting of the colloid or the self-forming colloid on the flange surface can also meet the above sealing requirements, but the colloid cannot meet the repeated disassembly requirement during maintenance and repair, and the colloid will pollute the system during disassembly; the integral edge forming seal can completely meet the above sealing and repeated disassembly requirements, but the deformation problem of the integral frame is difficult to solve. UTILITY MODEL CONTENTS

[0004] In view of the problems mentioned in the background art, the utility model aims to provide a sectional edge forming seal structure to solve the problems mentioned in the background art.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme:

[0006] A sectional edge forming seal structure comprises a closed annular support structure and a seal, the support structure comprises at least two base components, any two adjacent base components are connected through a connecting assembly to make the support structure closed, and the seal is installed on the inner wall and / or the outer wall of the support structure.

[0007] As a preferred technical scheme, the thickness of the seal is 43%-54% greater than the thickness of the base component, and the two ends of the seal protrude from the base component.

[0008] As a preferred technical scheme, the two groups of base components at the two ends of the accommodating groove are both provided with a limiting pin hole for sleeving a limiting pin.

[0009] As a preferred technical scheme, the accommodating groove comprises a Z-shaped groove and a connecting groove, the Z-shaped groove and the connecting groove are communicated, and the outer edges of the two groups of adjacent base components are both provided with a missing corner to form the connecting groove.

[0010] As a preferred technical scheme, the turning points of the Z-shaped groove are obtuse angles.

[0011] As a preferred technical solution, the connecting assembly comprises a receiving groove formed by a gap between the two adjacent base components, and the connecting piece is filled in the receiving groove by injection vulcanization.

[0012] As a preferred technical solution, a positioning hole for positioning to determine the installation position is formed on each base component.

[0013] As a preferred technical solution, a plurality of installation holes for installing the support structure to the sealed box / cap are formed on each base component.

[0014] As a preferred technical solution, the thickness t of the base component is 1-2mm.

[0015] As a preferred technical solution, the width w of the receiving groove is 1-3mm.

[0016] The sealing structure provided by the utility model is not only used on the flange surface of motor shell, speed reducer shell and inverter shell, but also can be used in air conditioning refrigeration system, provides good long-term sealing function for motor, speed reduction and inverter, can meet the demand of repeated disassembly and assembly, can realize automatic assembly, and sectional structure can also effectively reduce the deformation risk in manufacturing process and reduce manufacturing cost.

[0017] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The sectional edge forming sealing structure is a structural schematic view of the utility model;

[0019] Figure 2 The sectional edge forming sealing structure is a structural schematic view of the utility model; Figure 1 The sectional edge forming sealing structure is an enlarged structural schematic view of A part of the utility model;

[0020] Figure 3 The sectional edge forming sealing structure is an enlarged structural schematic view of A part of the utility model after removing the elastic connecting component and elastic sealing body; Figure 1 The sectional edge forming sealing structure is an enlarged structural schematic view of A part of the utility model after removing the elastic connecting component and elastic sealing body;

[0021] Figure 4 The sectional edge forming sealing structure is an enlarged structural schematic view of A part of the utility model after removing the elastic connecting component and elastic sealing body; Figure 2 The sectional edge forming sealing structure is an enlarged structural schematic view of A part of the utility model after removing the elastic connecting component and elastic sealing body;

[0022] Fig. 1 is a support structure; 11 is a base component one; 12 is a base component two; 2 is a sealing piece; 3 is a connecting piece; 4 is a positioning hole; 5 is a limiting pin hole; 6 is an installation hole; 7 is a receiving groove; 71 is a Z-shaped groove; 72 is a connecting groove. DETAILED DESCRIPTION

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] Example 1

[0025] refer to Figures 1-4 The segmented edge-forming sealing structure described in this embodiment includes a support structure 1 and a sealing element 2. The support structure 1 includes a base component 11 and a base component 2 12. Two sets of receiving grooves 7 are formed between the base component 11 and the base component 2 12. The receiving grooves 7 are filled with connectors 3 by injection vulcanization. The connectors 3 make the base component 11 and the base component 2 12 form a closed ring support structure 1. The sealing element 2 is integrally formed on the inner ring support structure 1 and / or the outer wall according to the actual sealing position. The base component 11 and the base component 2 12 are both provided with positioning holes 4 for positioning to determine the installation position. The base component 11 and the base component 2 12 are both provided with multiple sets of mounting holes 6 for installing the support structure 1 onto the sealed box / cover.

[0026] Limit pin holes 5 are provided on the base component 11 and base component 22 at both ends of the receiving groove 7. When the connector 3 is vulcanized and integrally formed, the limit pin holes 5 of the base component 11 and base component 22 are sleeved on the limit pins to prevent the connector 3 from pushing the base component 11 and base component 22 apart during production, causing the integral forming to fail.

[0027] Preferably, the receiving groove 7 includes a Z-shaped groove 71 and a connecting groove 72, which are connected. The connecting groove 72 is formed on the outer edge of the supporting structure 1 and is symmetrical about the end of the Z-shaped groove 71. That is, both the first base component 11 and the second base component 12 have a notch at their ends to form the connecting groove 72, and the turning points of the Z-shaped groove 71 are all obtuse angles. This shape of the receiving groove 7 increases the bonding area, making the connection between the first base component 11 and the second base component 12 more secure with the connector 3.

[0028] It is worth noting that the above is one manifestation of the support structure 1. Depending on the shape of the component that needs to be sealed, the support structure 1 includes at least two base components. Any two adjacent base components are connected by a connecting component. Multiple base components form a stable closed ring support structure 1, which is used to provide the limiting support function of the sealing structure.

[0029] It is worth noting that the connector 6 filled in the above-mentioned receiving groove 7 is a form of connecting component.

[0030] Preferably, the thickness t of the base member is 1-2mm.

[0031] Preferably, the width w of the accommodating groove 7 is 1-3mm.

[0032] Preferably, the thickness h of the sealing member 2 is 43%-54% greater than the thickness t of the base member, and the sealing member 2 protrudes from the base member at both ends to facilitate sealing of the housing at both ends.

[0033] Preferably, the sealing member 2 can be made of ethylene propylene diene rubber (EPDM), liquid silicone rubber (LSR), silicone rubber (MVQ), ethylene propylene acrylic rubber (AEM), acrylic rubber (ACM), fluororubber (FKM) or hydrogenated nitrile rubber (HNBR).

[0034] The sealing structure not only can be used on the flange surface of the motor housing, the reducer housing and the inverter housing, but also can be used in the air conditioning refrigeration system to provide good long-term sealing function for the motor, the reducer and the inverter, can meet the needs of repeated disassembly and assembly, can realize automatic assembly, and the segmented structure can also effectively reduce the deformation risk in the manufacturing process and reduce the manufacturing cost.

[0035] 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" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0037] In the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific situation.

[0038] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can be first and second feature direct contact, or first and second feature indirectly contact by intermediate medium.Moreover, first feature is "on", "above" and "on" second feature can be first feature is directly above or obliquely above second feature, or just indicate that the horizontal height of first feature is higher than second feature.First feature is "under", "below" and "under" second feature can be first feature is directly below or obliquely below second feature, or just indicate that the horizontal height of first feature is less than second feature.

[0039] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A segmented edge-forming seal structure, characterized by: The support structure (1) comprises at least two base components, and any two adjacent base components are connected by a connecting assembly to make the support structure (1) closed, and the sealing member (2) is installed on the inner wall and / or outer wall of the support structure (1).

2. The segmented edge finish seal structure of claim 1, wherein: The thickness of the sealing member (2) is 43%-54% larger than the thickness of the base component, and the two ends of the sealing member (2) protrude out of the base component.

3. The segmented edge finish seal structure of claim 2, wherein: Two sets of base components at both ends of the accommodating groove (7) are provided with limiting pin holes (5) for sleeving limiting pins.

4. The segmented edge finish seal structure of claim 2, wherein: The accommodating groove (7) comprises a Z-shaped groove (71) and a connecting groove (72), the Z-shaped groove (71) and the connecting groove (72) are communicated, and the outer edges of the two sets of adjacent base components at the ends are each provided with a missing corner to form the connecting groove (72).

5. The segmented edge finish seal structure of claim 4, wherein: The turning portions of the Z-shaped groove (71) are obtuse angles.

6. The segmented edge finish seal structure of claim 1, wherein: The connecting assembly comprises an accommodating groove (7) formed by the gap between the two adjacent base components, and the connecting member (3) is filled in the accommodating groove (7) by injection vulcanization.

7. The segmented edge finish seal structure of claim 1, wherein: Each base component is provided with a positioning hole (4) for positioning to determine the installation position.

8. The segmented edge finish seal structure of claim 1, wherein: Each base component is provided with a plurality of mounting holes (6) for mounting the support structure (1) to the sealed box / cap.

9. The segmented edge finish seal structure of claim 1, wherein: The thickness t of the base component is 1-2 mm.

10. The segmented edge finish seal structure of claim 1, wherein: The width w of the accommodating groove (7) is 1-3 mm.

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