阅读说明：本技术 一种新能源汽车电机防进水结构 (New energy automobile motor structure of preventing intaking ) 是由 葛玲美 于 2019-07-10 设计创作，主要内容包括：本发明涉及新能源汽车电机技术领域,具体涉及一种新能源汽车电机防进水结构,包括有底座、防护壳和电机本体,底座上还设置有多个螺孔,所述螺孔内均螺纹连接有紧固螺钉,所述防护壳固定连接在底座上,所述防护壳包括有第一壳体和可拆卸连接在第一壳体后端的第二壳体,所述第一壳体前端设置有防护套,所述防护套的端部固定设置有外油封,所述电机本体可拆卸设置在防护壳内,所述电机本体上还设置有转轴,所述转轴贯穿防护套延伸至防护套的侧部,所述第一壳体内还可拆卸设置有固定套,所述固定套与第一壳体内壁之间固定设置有吸水海绵,所述第一壳体和第二壳体之间还设置有密封机构,装置防止水分渗入到电机本体内,提高了电机本体的使用寿命。(The invention relates to the technical field of new energy automobile motors, in particular to a water inlet prevention structure for a new energy automobile motor, which comprises a base, a protective shell and a motor body, wherein a plurality of screw holes are also formed in the base, fastening screws are all connected in the screw holes in a threaded manner, the protective shell is fixedly connected to the base and comprises a first shell and a second shell detachably connected to the rear end of the first shell, a protective sleeve is arranged at the front end of the first shell, an outer oil seal is fixedly arranged at the end part of the protective sleeve, the motor body is detachably arranged in the protective shell, a rotating shaft is further arranged on the motor body, penetrates through the protective sleeve and extends to the side part of the protective sleeve, a fixed sleeve is also detachably arranged in the first shell, a water absorption sponge is fixedly arranged between the fixed sleeve and the inner wall of the first shell, and a sealing mechanism is further arranged between the first shell and the second shell, the device prevents that moisture from permeating to this internal, has improved motor body's life.)

1. The utility model provides a new energy automobile motor prevents into water structure which characterized in that: the novel electric motor comprises a base (1), a protective shell (2) and a motor body (3), wherein the base (1) is a rectangular plate-shaped mechanism, a plurality of screw holes are formed in the base (1), fastening screws are connected in the screw holes in a threaded manner, the protective shell (2) is fixedly connected to the base (1), the protective shell (2) comprises a first shell (5) and a second shell (6) detachably connected to the rear end of the first shell (5), a protective sleeve (7) is arranged at the front end of the first shell (5), an outer oil seal (8) is fixedly arranged at the end part of the protective sleeve (7), the motor body (3) is detachably arranged in the protective shell (2), a rotating shaft (9) is further arranged on the motor body (3), the rotating shaft (9) penetrates through the protective sleeve (7) and extends to the side part of the protective sleeve (7), and a fixed sleeve (10) can be detachably arranged in the first shell (5), fixed sponge (11) of absorbing water that are provided with between fixed cover (10) and first casing (5) inner wall, evenly distributed has the through-hole that runs through on sponge (11) of absorbing water, still be provided with sealing mechanism (12) between first casing (5) and second casing (6), second casing (6) rear end is provided with the semiconductor refrigeration piece, second casing (6) rear end is provided with humidity alarm device.

2. The new energy automobile motor water inlet prevention structure of claim 1, characterized in that: the buckle (13) that "ring" form is all fixed to be provided with at the both ends of fixed cover (10), correspond in first casing (5) and be provided with arc draw-in groove (14) that supply buckle (13) card to go into, correspond in second casing (6) and be provided with arc draw-in groove (14) that supply buckle (13) card to go into, still be provided with leak hunting (15) that a plurality of confessions sponge (11) that absorb water leaked on fixed cover (10).

3. The new energy automobile motor water inlet prevention structure of claim 2, characterized in that: one end of the first shell (5) close to the second shell (6) is provided with a first thread part (16), and one end of the second shell (6) close to the first shell (5) is provided with a second thread part (17) in threaded connection with the first thread part (16).

4. The new energy automobile motor water inlet prevention structure of claim 3, characterized in that: the connection part of the first shell (5) and the second shell (6) is provided with a groove (18), and the sealing mechanism (12) is fixedly arranged in the groove (18).

5. The new energy automobile motor water inlet prevention structure of claim 4, characterized in that: sealing mechanism (12) are established sealing strip (20) at first casing (5) and second casing (6) junction including fastening screw (19) and cover, the tip of sealing strip (20) all is provided with extension (21), is provided with screw hole (22) on extension (21), fastening screw (19) threaded connection is in screw hole (22).

6. The new energy automobile motor water inlet prevention structure of claim 5, characterized in that: and the protecting sleeve (7) is also provided with a guide pipe (23) communicated with the inside of the protecting sleeve (7).

Technical Field

The invention relates to the technical field of new energy automobile motors, in particular to a water inlet prevention structure of a new energy automobile motor.

Background

The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile, other new energy automobiles and the like. The pure electric automobile adopts a single storage battery as an energy storage power source, the storage battery is used as the energy storage power source, the battery provides electric energy for the motor to drive the motor to run, and the motor structure of the existing known new energy automobile has the following defects: the motor transmission end is poor in water inlet prevention capacity, when a vehicle runs in rainy weather, rainwater is easy to splash to the end face of the motor transmission end in the running process, and enters the motor from the gap between the outer cover of the bearing and the rotating shaft, so that the insulation resistance value of the motor is reduced and faults are caused.

Chinese patent document (publication number: CN 208479338U) discloses a satellite motor with a waterproof structure, which comprises a motor shell, a rotor and a base, wherein the rotor is rotatably connected inside the motor shell, air holes are formed in the outer wall of the motor shell, and a PTFE (polytetrafluoroethylene) film is not adhered inside the air holes. The waterproof motor has the advantages of complex process, high cost and inconvenient maintenance and replacement.

In the process of implementing the invention, the inventor finds that the following problems still exist in the prior art: 1. a water absorption device is not arranged in the waterproof shell of the motor, so that the overall waterproof effect is poor; 2. the humidity detection device is not arranged in the waterproof shell of the motor, so that the motor fault cannot be prevented in advance, and water inflow of the motor can be found only after the motor is in fault; 3. the mode of fan heat dissipation is adopted, the airtightness of the motor shell cannot be guaranteed to a certain extent, and the waterproof performance of the motor shell is affected.

Therefore, a new energy automobile motor water inlet prevention structure is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a water inlet prevention structure for a motor of a new energy automobile.

In order to achieve the purpose, the invention adopts the following technical scheme:

the water inlet prevention structure for the motor of the new energy automobile comprises a base, a protective shell and a motor body, wherein the base is a rectangular plate-shaped mechanism, a plurality of screw holes are further formed in the base, fastening screws are connected into the screw holes in a threaded manner, the protective shell is fixedly connected onto the base and comprises a first shell and a second shell detachably connected to the rear end of the first shell, a protective sleeve is arranged at the front end of the first shell, an outer oil seal is fixedly arranged at the end part of the protective sleeve, the motor body is detachably arranged in the protective shell, a rotating shaft is further arranged on the motor body, penetrates through the protective sleeve and extends to the side part of the protective sleeve, a fixed sleeve is further detachably arranged in the first shell, a water absorption sponge is fixedly arranged between the fixed sleeve and the inner wall of the first shell, and through holes are uniformly distributed in the water absorption sponge, still be provided with sealing mechanism between first casing and the second casing, second casing rear end is provided with the semiconductor refrigeration piece, second casing rear end is provided with humidity alarm device.

As a preferred scheme of new energy automobile motor water inlet prevention structure, the both ends of fixed cover are all fixed and are provided with the buckle of "ring" form, the correspondence is provided with the arc draw-in groove that supplies the buckle card to go into in the first casing, the correspondence is provided with the arc draw-in groove that supplies the buckle card to go into in the second casing, still be provided with a plurality of lou gouges that supply the sponge that absorbs water to spill on the fixed cover.

As a preferred scheme of new energy automobile motor structure of preventing intaking, the one end that first casing is close to the second casing is provided with first screw thread portion, and the one end that the second casing is close to first casing is provided with the second screw thread portion with first screw thread threaded connection.

As an optimal scheme of the new energy automobile motor water inlet prevention structure, the connection part of the first shell and the second shell is provided with a groove, and the sealing mechanism is fixedly arranged in the groove.

As a preferred scheme of new energy automobile motor structure of preventing intaking, sealing mechanism establishes the sealing strip at first casing and second casing junction including fastening screw and cover, the tip of sealing strip all is provided with the extension, is provided with the screw hole on the extension, fastening screw threaded connection is in the screw hole.

As a preferred scheme of the water inlet prevention structure of the new energy automobile motor, a flow guide pipe communicated into the protective sleeve is further arranged on the protective sleeve.

The invention has the beneficial effects that:

1. this new energy automobile motor prevents into water structure, the design has the fixed cover of detachable and the sponge that absorbs water, when moisture infiltration to the protecting crust in, can be by the sponge that absorbs water absorb the moisture of infiltration in the sponge that absorbs water, prevent that motor body from receiving the erosion of moisture, lead to motor body's damage to the casing is provided with first casing and second casing, the sponge that absorbs water of change that can be convenient.

2. This new energy automobile motor structure of preventing intaking evenly is provided with the through-hole on the sponge that absorbs water, has increased the surface area, reduction motor noise at work that can be better has simultaneously for the motor radiating effect.

3. This new energy automobile motor structure of preventing intaking, the design has the humidity alarm, and humidity when fixed cover and motor between surpass predetermined scope, the alarm will send the police dispatch newspaper, at this moment just need unpack motor housing apart, will absorb water the moisture in the sponge and detach.

4. This new energy automobile motor prevents into water structure, the design has sealing mechanism between first casing and second casing, can prevent to ordinary motor, is suitable for multiple model, and it is convenient to dismantle, when using, can seal up the junction of first casing and second casing, prevents that moisture from permeating to the protecting crust in, leads to motor body's damage, adopts the leakproofness that the mode of semiconductor refrigeration piece cooling has also guaranteed the shell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a first schematic diagram of the split structure of the present invention.

FIG. 4 is a schematic diagram of a split structure of the present invention.

In the figure: base 1, protecting crust 2, motor body 3, first casing 5, second casing 6, lag 7, outer oil blanket 8, pivot 9, fixed cover 10, the sponge 11 that absorbs water, sealing mechanism 12, buckle 13, arc draw-in groove 14, small opening 15, first screw thread portion 16, second screw thread portion 17, recess 18, fastening screw 19, sealing strip 20, extension 21, screw hole 22, honeycomb duct 23.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the new energy automobile motor water inflow prevention structure comprises a base 1, a protective shell 2 and a motor body 3, wherein the base 1 is a rectangular plate-shaped mechanism, a plurality of screw holes are further formed in the base 1, fastening screws are connected in the screw holes in a threaded manner, the protective shell 2 is fixedly connected to the base 1, the protective shell 2 comprises a first shell 5 and a second shell 6 detachably connected to the rear end of the first shell 5, a protective sleeve 7 is arranged at the front end of the first shell 5, an outer oil seal 8 is fixedly arranged at the end portion of the protective sleeve 7, the motor body 3 is detachably arranged in the protective shell 2, a rotating shaft 9 is further arranged on the motor body 3, the rotating shaft 9 penetrates through the protective sleeve 7 and extends to the side portion of the protective sleeve 7, a fixed sleeve 10 is detachably arranged in the first shell 5, a sponge water absorption 11 is fixedly arranged between the fixed sleeve 10 and the inner wall of the first shell 5, the water absorption sponge (11) is uniformly provided with through holes which penetrate through the water absorption sponge, a sealing mechanism (12) is further arranged between the first shell (5) and the second shell (6), the rear end of the second shell (6) is provided with a semiconductor refrigeration piece, and the rear end of the second shell (6) is provided with a humidity alarm device. When the motor is used, the second shell 6 is detached from the first shell 5, the fixing sleeve 10 is fixed in the first shell 5, the water-absorbing sponge 11 is fixed between the fixing sleeve 10 and the first shell 5, the motor body 3 is fixedly arranged in the first shell 5, the second shell 6 is fixedly arranged on the first shell 5, and finally the joint of the first shell 5 and the second shell 6 is sealed; the water absorption sponge is uniformly provided with the through holes, so that the surface area is increased, the working noise of the motor can be better reduced, and meanwhile, the heat dissipation effect on the motor is achieved; when the humidity between the fixed sleeve and the motor exceeds a preset range, the humidity alarm can give an alarm, and at the moment, the shell of the motor needs to be disassembled to remove the water in the water-absorbing sponge.

The buckle (13) that "ring" form is all fixed to be provided with at the both ends of fixed cover (10), correspond in first casing (5) and be provided with arc draw-in groove (14) that supply buckle (13) card to go into, correspond in second casing (6) and be provided with arc draw-in groove (14) that supply buckle (13) card to go into, still be provided with leak hunting (15) that a plurality of confessions sponge (11) that absorb water leaked on fixed cover (10). The buckle 13 is made of elastic plastic, so that the buckle 13 can be easily clamped into the arc-shaped clamping groove 14 and can be conveniently detached.

A first thread part 16 is arranged at one end of the first shell 5 close to the second shell 6, and a second thread part 17 which is in threaded connection with the first thread part 16 is arranged at one end of the second shell 6 close to the first shell 5.

The joint of the first shell 5 and the second shell 6 is provided with a groove 18, and the sealing mechanism 12 is fixedly arranged in the groove 18.

The sealing mechanism 12 comprises a fastening screw 19 and a sealing strip 20 sleeved at the joint of the first shell 5 and the second shell 6, the end of the sealing strip 20 is provided with an extension part 21, the extension part 21 is provided with a threaded hole 22, and the fastening screw 19 is in threaded connection with the threaded hole 22. The sealing strip 20 can be tightly attached to the protective shell 2, and the sealing strip 20 is tightly fixed on the protective shell 2 through the fastening screw 19.

And the protecting sleeve 7 is also provided with a guide pipe 23 communicated with the protecting sleeve 7.

The working principle is as follows: when the water-proof device is used, the second shell 6 is detached from the first shell 5, the fixing sleeve 10 is fixed in the first shell 5, the water-absorbing sponge 11 is fixed between the fixing sleeve 10 and the first shell 5, the motor body 3 is fixedly installed in the first shell 5, the second shell 6 is fixedly installed on the first shell 5, finally, the joint of the first shell 5 and the second shell 6 is sealed, the flow guide pipe 23 is used as a first guarantee for water proofing of the device, most water can be discharged when more water enters the device, the water can be absorbed by the water-absorbing sponge 11 after the excessive water enters the device, when the water on the water-absorbing sponge 11 needs to be extruded, the device needs to be detached, the water is extruded from the water-absorbing sponge 11, and then the device is installed, so that multiple water proofing effects are achieved. The water absorption sponge is uniformly provided with the through holes, so that the surface area is increased, the working noise of the motor can be better reduced, and meanwhile, the heat dissipation effect on the motor is achieved; when the humidity between the fixed sleeve and the motor exceeds a preset range, the humidity alarm can give an alarm, and at the moment, the shell of the motor needs to be disassembled to remove the water in the water-absorbing sponge.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.