Waterproof, high-temperature-resistant and high-pressure-resistant exhaust structure applied to motor

Abstract

The utility model relates to a waterproof and high temperature and high pressure resistant exhaust structure applied to a motor, which belongs to the technical field of motor protection, and comprises a protective exhaust upper cover body, a middle exhaust stress body and a lower cover plate main body, the lower cover plate body is installed on the other side of the middle exhaust stress body, and a breathable waterproof film is installed between the protective exhaust upper cover body and the middle exhaust stress body. A plurality of protective exhaust upper cover bodies, a middle exhaust stress body, a lower cover plate main body, a breathable waterproof film and an exhaust positioning groove are adopted, and a mechanical stress mode is adopted. The problems that high-temperature gas in a motor assembly with strict protection grade requirements cannot be effectively exhausted, and external water vapor easily intrudes into the assembly can be solved. And meanwhile, the defect that the sealing effect is invalid due to long time is overcome, the structure is simple, the production process is easy to operate, the production efficiency is high, the cost is low, and the quality is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor protection technical field, specifically point to a kind of waterproof and high temperature and high pressure exhaust structure applied to motor. BACKGROUND

[0002] Automotive electrification is steadily advancing. Whether using traditional internal combustion engines or electric power systems, it is essential to provide protection for sensitive electronic components during the vehicle's service life. Hybrid vehicles and electric vehicles face new technical challenges, and only by using efficient pressure equalization and waterproof and breathable components can automobile manufacturers and suppliers hope to meet these challenges. Automotive electronic components are susceptible to harsh environmental conditions. Whether installed under the vehicle chassis or in the engine compartment, electronic components (such as motors, control units, sensors, electronic components in compressors or pumps) will be affected by extreme temperature fluctuations, so they must be protected from dirt or liquid intrusion. The protection level that meets the most basic requirements can ensure that the electronic device housing is protected from dust.

[0003] The existing market for brushless motor protection products mostly use stickers, some use injection sealant, and some use sealing rubber strips or sealing rings. The above-mentioned methods are traditional methods commonly used in the market. The structure of the brushless motor protection product on the market is complex, the production cost is high, the time is long, the material is easy to age, the sealing effect is invalid, the quality is unstable, and the electronic components cannot be effectively protected.

[0004] The brushless DC motor uses semiconductor switching devices to achieve electronic commutation, i.e. using electronic switching devices instead of traditional contact commutators and brushes. The traditional brushless motor protection shell usually has heat dissipation holes in the side wall for heat dissipation of the motor, which results in poor sealing effect, difficulty in achieving dustproof and waterproof effect, and inconvenience in disassembly, maintenance and repair of the internal components. UTILITARIAN CONTENT

[0005] The utility model solves the above technical problem, provides a waterproof and high temperature and high pressure exhaust structure applied to motor.

[0006] To solve the above technical problem, the technical scheme provided by the utility model is:

[0007] A waterproof and high temperature and high pressure exhaust structure applied to motor, comprising a protective exhaust upper cover body, an intermediate exhaust force body and a lower cover plate body.

[0008] The protective exhaust upper cover body is installed on one side of the intermediate exhaust force body, and the lower cover plate body is installed on the other side of the intermediate exhaust force body.

[0009] The waterproof and breathable membrane is arranged between the protective exhaust upper cover body and the middle exhaust force body.

[0010] Preferably, the middle exhaust force body is provided with a limiting block on one side close to the protective exhaust upper cover body, the protective exhaust upper cover body is provided with an inner cylindrical exhaust protection body, and the inner cylindrical exhaust protection body forms a limiting groove on one side of the protective exhaust upper cover body to match the limiting block.

[0011] Preferably, the limiting block is of a C-shaped structure, the waterproof and breathable membrane is arranged in the limiting block, the waterproof and breathable membrane is provided with a buffer groove on one end close to the inner cylindrical exhaust protection body, and the inner cylindrical exhaust protection body is provided with an exhaust positioning groove on one side close to the buffer groove.

[0012] Preferably, the limiting groove is provided with a plurality of reinforcing ribs on the inner and outer walls.

[0013] Preferably, the middle exhaust force body is provided with a positioning column for positioning the protective exhaust upper cover body.

[0014] Preferably, the outer side of the protective exhaust upper cover body is provided with a positioning groove for matching the positioning column.

[0015] Preferably, the opposite surfaces of the middle exhaust force body and the lower cover plate body are provided with grooves.

[0016] Preferably, the middle exhaust force body is provided with a communication hole in the middle part.

[0017] After the above structure is adopted, the utility model has the following advantages:

[0018] The utility model adopts several protective exhaust upper cover bodies, middle exhaust force bodies, lower cover plate bodies, waterproof and breathable membranes and exhaust positioning grooves, and solves the problems that the high-temperature gas in the motor assembly with strict protection requirements cannot be effectively exhausted, and the external water vapor easily invades the assembly, solves the problems that the time is long, the aging is easy, and the sealing effect is invalid, and the utility model has the advantages of simple structure, easy operation, high production efficiency, low cost and stable quality.

[0019] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

[0021] Figure 1 is a structural schematic diagram of the utility model;

[0022] Figure 2 is the first explosion diagram of the utility model;

[0023] Figure 3 is the second explosion diagram of the utility model;

[0024] Figure 4 is a structural schematic diagram of the protective exhaust upper cover body of the utility model;

[0025] Figure 5 is a sectional view of the protective exhaust upper cover body of the utility model.

[0026] As shown in the figure: 1, protective exhaust upper cover body; 2, middle exhaust force body; 101, limit groove; 102, inner cylindrical exhaust protection body; 3, lower cover plate main body; 4, breathable waterproof membrane; 401, buffer groove; 5, limit block; 6, exhaust positioning groove; 7, reinforcing rib; 8, positioning column; 9, groove; 10, communication hole. DETAILED DESCRIPTION

[0027] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The utility model will be further described in detail below in combination with the whole text.

[0030] In combination with the drawings Figures 1-5The utility model provides a waterproof and high temperature and high pressure exhaust structure for motor, including protection exhaust upper cover body 1, intermediate exhaust stress body 2 and lower cover plate body 3, protection exhaust upper cover body 1 installs at one side of intermediate exhaust stress body 2, lower cover plate body 3 installs at the other side of intermediate exhaust stress body 2, and the waterproof and breathable membrane 4 is installed between protection exhaust upper cover body 1 and intermediate exhaust stress body 2, the side of intermediate exhaust stress body 2 close to protection exhaust upper cover body 1 is installed with the limit block 5, the inner cylinder exhaust protection body 102 is installed in protection exhaust upper cover body 1, and the inner cylinder exhaust protection body 102 forms the limit slot 101 of the side of protection exhaust upper cover body 1 with the limit block 5. Specifically, the waterproof and breathable membrane 4 is located in the limit slot 101, and is fixed by the inner cylinder exhaust protection body 102 installed in the limit slot 101, and sealing is realized.

[0031] The utility model discloses in the specific implementation, such as Figure 2 And Figure 3 The limit block 5 is a C-shaped structure, the waterproof and breathable membrane 4 is installed in the limit block 5, the waterproof and breathable membrane 4 is close to the one end of the inner cylinder exhaust protection body 102 and is provided with a buffer groove 401, the side of the inner cylinder exhaust protection body 102 close to the buffer groove 401 is provided with an exhaust positioning groove 6, the intermediate exhaust stress body 2 is installed with the positioning column 8 for positioning the protection exhaust upper cover body 1, and the outer circle of the protection exhaust upper cover body 1 is provided with a positioning slot matched with the positioning column 8. The protection exhaust upper cover body 1 is sleeved on the outer side of the limit block 5, and the positioning column 8 realizes the limiting.

[0032] Specifically, the protection exhaust upper cover body 1, the intermediate exhaust stress body 2, the lower cover plate body 3 and the waterproof and breathable membrane 4 are coaxially arranged.

[0033] A plurality of reinforcing ribs 7 are installed on the inner and outer walls of the limit slot 101.

[0034] The opposite surfaces of the intermediate exhaust stress body 2 and the lower cover plate body 3 are provided with grooves 9, and the middle part of the intermediate exhaust stress body 2 is provided with a through hole 10 communicating with the grooves 9.

[0035] Specifically, the utility model discloses a novel waterproof and high temperature and high pressure exhaust structure applied to a brushless motor but not limited to the brushless motor. The structure can solve the discharge of high-temperature gas generated by the internal product, prevent the invasion of external gas and dust into the internal product, effectively protect the internal components of the motor from being corroded and burned by water vapor, and particularly protect the electronic components from being damaged.

[0036] The utility model discloses in the specific implementation, the inside cylinder exhaust protection body 102 one side is equipped with first connecting groove, and first connecting groove is convex structure, and the inside installation of first connecting groove has cross piece, and first connecting groove communicates exhaust positioning groove 6, and the depth size of first connecting groove to cross piece is shown as a and b, a is 0.35, and b is 0.45.

[0037] The utility model discloses a working principle:

[0038] Ventilative waterproof membrane 4 is located in the limiting groove 101, is installed in the limiting groove 101 through the inside cylinder exhaust protection body 102, carries out to ventilative waterproof membrane 4 fixed, and realizes sealing, and the buffer groove 401 of ventilative waterproof membrane 4 communicates first connecting groove, and carries out exhaust through exhaust positioning groove 6.Through mechanical stress mode, can solve the problem that the high temperature gas in the motor assembly of the strict protection grade requirement can not be effectively discharged, and the external water vapor is easy to invade the assembly inside, and the time is long, and the easy aging leads to the defect of sealing effect invalid, the utility model discloses the structure is relatively simple, and production technology is easy to operate, and production efficiency is high, and cost is low, and quality is stable.

[0039] The utility model discloses in the specific implementation, the inside cylinder exhaust protection body 102 one side is equipped with first connecting groove, and first connecting groove is convex structure, and the inside installation of first connecting groove has cross piece, and first connecting groove communicates exhaust positioning groove 6, and the depth size of first connecting groove to cross piece is shown as a and b, a is 0.35, and b is 0.45.

[0037] The utility model discloses a working principle:

[0038] Ventilative waterproof membrane 4 is located in the limiting groove 101, is installed in the limiting groove 101 through the inside cylinder exhaust protection body 102, carries out to ventilative waterproof membrane 4 fixed, and realizes sealing, and the buffer groove 401 of ventilative waterproof membrane 4 communicates first connecting groove, and carries out exhaust through exhaust positioning groove 6.Through mechanical stress mode, can solve the problem that the high temperature gas in the motor assembly of the strict protection grade requirement can not be effectively discharged, and the external water vapor is easy to invade the assembly inside, and the time is long, and the easy aging leads to the defect of sealing effect invalid, the utility model discloses the structure is relatively simple, and production technology is easy to operate, and production efficiency is high, and cost is low, and quality is stable.

[0039] The utility model discloses in the specific implementation, the inside cylinder exhaust protection body 102 one side is equipped with first connecting groove, and first connecting groove is convex structure, and the inside installation of first connecting groove has cross piece, and first connecting groove communicates exhaust positioning groove 6, and the depth size of first connecting groove to cross piece is shown as a and b, a is 0.35, and b is 0.45.

[0037] The utility model discloses a working principle:

[0038] Ventilative waterproof membrane 4 is located in the limiting groove 101, is installed in the limiting groove 101 through the inside cylinder exhaust protection body 102, carries out to ventilative waterproof membrane 4 fixed, and realizes sealing, and the buffer groove 401 of ventilative waterproof membrane 4 communicates first connecting groove, and carries out exhaust through exhaust positioning groove 6.Through mechanical stress mode, can solve the problem that the high temperature gas in the motor assembly of the strict protection

Claims

1. A waterproof and high-temperature and high-pressure exhaust structure for a motor, characterized in that: It comprises a protective exhaust upper cover body (1), an intermediate exhaust force-bearing body (2) and a lower cover plate body (3); The protective exhaust upper cover body (1) is installed on one side of the middle exhaust force-bearing body (2), and the lower cover plate body (3) is installed on the other side of the middle exhaust force-bearing body (2); A breathable and waterproof membrane (4) is installed between the protective exhaust upper cover body (1) and the intermediate exhaust force-bearing body (2).

2. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 1, characterized in that: A limiting block (5) is installed on one side of the intermediate exhaust force-bearing body (2) close to the protective exhaust upper cover body (1); an inner cylindrical exhaust protective body (102) is installed in the protective exhaust upper cover body (1), and the inner cylindrical exhaust protective body (102) forms a limiting groove (101) on one side of the protective exhaust upper cover body (1) adapted to fit the limiting block (5).

3. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 2, characterized in that: The limit block (5) is a C-shaped structure, the breathable waterproof membrane (4) is installed in the limit block (5), a buffer groove (401) is provided at one end of the breathable waterproof membrane (4) close to the inner cylindrical exhaust protection body (102), and an exhaust positioning groove (6) is provided at one side of the inner cylindrical exhaust protection body (102) close to the buffer groove (401).

4. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 2, characterized in that: Multiple groups of reinforcing ribs (7) are installed on the inner and outer walls of the limiting groove (101).

5. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 1, characterized in that: A positioning column (8) for positioning the protective exhaust upper cover body (1) is installed on the intermediate exhaust force-bearing body (2).

6. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 5, characterized in that: A positioning groove for cooperating with the positioning column (8) is provided on the inner side of the outer ring of the positioning protection exhaust cover body (1).

7. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 1, characterized in that: Grooves (9) are provided on the opposing surfaces of the intermediate exhaust force-bearing body (2) and the lower cover plate main body (3).

8. The waterproof and high-temperature and high-pressure resistant exhaust structure for a motor according to claim 1, characterized in that: A communication hole (10) is provided in the middle of the intermediate exhaust force-bearing body (2).

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