Electric vehicle motor equipped with one-way valve mechanism

By designing a one-way valve mechanism in the electric vehicle motor, heat circulation and cooling within the motor and water flow isolation are achieved, solving the problems of motor overheating and water leakage, and improving the motor's service life and reliability.

CN223583986UActive Publication Date: 2025-11-21WUXI XINSHILI MOTOR TECH
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Patent Information

Application Number
CN202423124444.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing electric vehicle motors generate a lot of heat during operation, which can lead to localized heat accumulation and pose a risk of explosion and fire. Furthermore, when sprayed with water, water may enter the motor and affect its service life.

Method used

An electric vehicle motor equipped with a one-way valve mechanism was designed, including an upper end cover, a retaining ring, a sliding column, heat dissipation holes, and a wire assembly. The sliding column drives airflow circulation and the sealing plate opens the heat dissipation holes to promote heat exchange, while the insulating sleeve and multiple protective layers prevent water from entering.

Benefits of technology

It effectively reduces heat buildup inside the motor, improves heat dissipation efficiency, prevents water from entering, and extends the motor's service life and tensile strength.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of electric vehicle motors, and particularly relates to an electric vehicle motor with a one-way valve mechanism, which comprises an upper end cover, a clamping ring is fixedly connected to the outer wall of the upper end cover, one end, far away from the upper end cover, of the clamping ring is fixedly connected with the one-way valve mechanism, and a wire assembly is arranged on the outer wall of the clamping ring. The one-way valve mechanism comprises a valve body. According to the electric vehicle motor provided with the one-way valve mechanism, through the arranged wire assembly, in the riding process of an electric vehicle, a rotating plate is extruded by a sliding column to turn over to drive airflow to move, circulating airflow is generated in the motor, the heat exchange efficiency in the motor is high due to participation of the circulating airflow, and the sliding column extrudes a fixing rod in the sliding process; the fixing rod drives the hinged sealing plate to open the heat dissipation holes, and the heat dissipation holes discharge air accumulated in the cavity to achieve pressure balance in the cavity, so that expansion air does not easily cause local heat accumulation in the motor, and a good protection effect can be provided for the motor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric motor technology field of electric motor car, concretely is a kind of electric motor car motor equipped with one-way valve mechanism. BACKGROUND

[0002] Electric motor car motor refers to the vehicle that meets the requirements of road traffic, safety regulations and the like, and is driven by motor with vehicle-mounted power source, and the structure is simple.Electric motor car motor is small in size, stable in internal current, and low in failure rate, and can work in different speed ranges.

[0003] At present, in existing market products, electric motor car motor generates large amount of heat during operation, which affects the service life of the motor, and causes accumulation of local heat in the motor, and there are risks such as explosion and fire in a short time, and in view of this, the utility model provides a kind of electric motor car motor equipped with one-way valve mechanism. UTILITY MODEL CONTENT

[0004] The utility model mainly aims at providing a kind of electric motor car motor equipped with one-way valve mechanism, which can solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides a kind of electric motor car motor equipped with one-way valve mechanism, which comprises an upper end cover, the outer wall of the upper end cover is fixedly connected with a connecting part, the surface of the upper end cover is provided with a recess, the outer wall of the upper end cover is fixedly connected with a snap ring, one end of the snap ring away from the upper end cover is fixedly connected with a one-way valve mechanism, the outer wall of the snap ring is provided with a wire assembly, and the one-way valve mechanism comprises:

[0006] A valve body is fixedly connected to one end of the snap ring away from the upper end cover.

[0007] A sliding column is slidably connected to the inner wall of the valve body.

[0008] An installation groove is arranged on the inner wall of the valve body, and a torsional spring is fixedly connected in the installation groove, and the torsional spring is fixedly connected with a rotating plate.

[0009] And a heat dissipation hole is arranged on the outer wall of the valve body.

[0010] Preferably, the outer wall of the snap ring is provided with a communication hole, and the communication hole is provided with five groups, and the wire assembly penetrates through the communication hole, and the communication hole is arranged to facilitate the subsequent wire export.

[0011] Preferably, the outer wall of the sliding column is fixedly connected with the telescopic spring, and the upper portion of the sliding column is provided with a fixed rod, the fixed rod is fixedly connected with a fixed plate, the outer wall of the fixed plate is provided with a sliding groove, the hinged rod is slidingly connected in the sliding groove, and the end of the hinged rod away from the sliding groove is fixedly connected with the sealing plate.

[0012] Preferably, the valve body is fixedly connected with the snap ring through the sealing plug, the sealing plug has a sealing effect, and the operation of the movable components in the valve body can be effectively protected.

[0013] Preferably, the wire assembly comprises an insulating sheath, and the inner wall of the insulating sheath is wrapped with a waterproof wire; the insulating sheath contains a tensile wire, which can greatly improve the tensile resistance of the waterproof wire, thereby greatly improving the service life of the waterproof wire.

[0014] Preferably, the inner wall of the waterproof wire is wrapped with a wire core, and the wire core is provided with four groups; the multi-layer protective layer prevents water flow from entering the motor through the wire assembly when the electric vehicle wades through water.

[0015] The utility model provides a kind of electric vehicle motor equipped with one-way valve mechanism. It has the following beneficial effects:

[0016] (1), the electric vehicle motor equipped with one-way valve mechanism is provided with wire assembly, in the process of riding electric vehicle, motor is heated, rotating plate is extruded and overturned by sliding column to drive airflow movement, to make the circulation airflow in motor, with the participation of circulation airflow, the heat exchange efficiency in motor is high, sliding column extrudes fixed rod in sliding process, fixed rod is extended to drive the opening of hinged sealing plate, heat dissipation hole is convenient to discharge the air gathered in cavity outward, to reach the pressure balance in cavity, sealing plug has sealing effect, can effectively protect movable components such as fixed rod and telescopic spring, so that the expansion air is not easy to cause local heat accumulation in motor, can provide good protection for motor.

[0017] (2), the electric vehicle motor equipped with one-way valve mechanism is provided with wire assembly, when electric vehicle wades through water, the insulating sheath of outer layer contains tensile wire, can greatly improve the tensile resistance of the waterproof wire, and the attached water droplets are shaken off in the process of pulling, the waterproof wire of inner layer carries out efficient blocking effect, and multi-layer protective layer prevents water flow from entering the motor through wire assembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, those skilled in the art can obtain other drawings without making creative efforts, which all belong to the protection scope of the present application.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the structure of the clasp ring and the valve body of the present application.

[0021] Figure 3 It is a schematic diagram of the sectional structure of the one-way valve mechanism of the present application.

[0022] Figure 4 It is a schematic diagram of the structure of the wire assembly of the present application. Figure 3

[0023] Figure 5 It is a schematic diagram of the structure of the wire assembly of the present application.

[0024] Explanation of reference numerals:

[0025] 1, upper end cover; 2, connecting part; 3, recessed part; 4, clasp ring; 401, communication hole; 5, one-way valve mechanism; 51, valve body; 52, sliding column; 53, mounting groove; 531, torsional spring; 532, rotating plate; 54, heat dissipation hole; 55, extension spring; 56, fixed rod; 561, fixed plate; 562, sliding groove; 563, hinged rod; 564, sealing plate; 57, sealing plug; 6, wire assembly; 61, insulating sheath; 62, waterproof wire; 63, wire core.

[0026] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, those skilled in the art can obtain other drawings without making creative efforts, which all belong to the protection scope of the present application.

[0028] Please refer to Figures 1-5 ​The utility model provides a kind of electric motor of electric vehicle equipped with one-way valve mechanism, including upper end cap 1, the outer wall of upper end cap 1 is fixedly connected with connecting portion 2, recessed portion 3 is set up on the surface of upper end cap 1, recessed portion 3 generates difference layer to the airflow outside motor, improves the heat exchange efficiency of motor, the outer wall of upper end cap 1 is fixedly connected with snap ring 4, the outer wall of snap ring 4 is set up with intercommunication hole 401, and intercommunication hole 401 is provided with five groups, wire assembly 6 penetrates intercommunication hole 401, the setting of intercommunication hole 401 is convenient for subsequent wire export, the end of snap ring 4 away from upper end cap 1 is fixedly connected with one-way valve mechanism 5, the outer wall of snap ring 4 is provided with wire assembly 6, one-way valve mechanism 5 includes valve body 51.

[0029] In the embodiment of the utility model, in order to be able to provide good protection for motor, keep pressure balance, specifically, valve body 51 is fixedly connected at the end of snap ring 4 away from upper end cap 1, sliding column 52 is slidably connected with the inner wall of valve body 51, sliding column 52 is driven to slide by force expansion, mounting groove 53 is arranged on the inner wall of valve body 51, and torsional spring 531 is fixedly connected in mounting groove 533, torsional spring 531 is fixedly connected with rotating plate 532, rotating plate 532 is forced to extrude and overturn to drive airflow movement, to make the circulation airflow in motor, with the participation of circulation airflow, the heat exchange efficiency in motor is high, and it is not easy to cause the accumulation of local heat in motor, can provide good protection for motor, the outer wall of valve body 51 is set up with heat dissipation hole 54, heat dissipation hole 54 is convenient for the air gathered in cavity to discharge outward, to reach the pressure balance in cavity, the outer wall of sliding column 52 is fixedly connected with telescopic spring 55, and the upper of sliding column 52 is provided with fixed rod 56, fixed rod 56 is fixedly connected with fixed plate 561, the outer wall of fixed plate 561 is set up with sliding groove 562, hinged rod 563 is slidably connected in sliding groove 562, and the end of hinged rod 563 away from sliding groove 562 is fixedly connected with sealing plate 564, sliding column 52 extrudes fixed rod 56, fixed rod 56 drives fixed plate 561 to move outward, hinged rod 563 slides in sliding groove 562 and drives the sealing plate 564 connected at the other end to open, valve body 51 is fixedly connected with snap ring 4 through sealing plug 57, sealing plug 57 plays sealing effect, can effectively protect the operation of movable assembly in valve body 51.

[0030] Further, in order to prevent the water flow into the motor when electric vehicle wades in water, improve the service life of electric vehicle motor, specifically, wire assembly 6 includes insulating sheath 61, and the inner wall of insulating sheath 61 is wrapped with waterproof wire 62, insulating sheath 61 contains tensile wire, which can greatly improve the tensile strength of the waterproof wire 62, thereby greatly improving the service life of the waterproof wire 62, the inner wall of waterproof wire 62 is wrapped with wire core 63, and wire core 63 is provided with four groups, the setting of multiple protective layers makes the electric vehicle when wading in water, prevent water flow through wire assembly 6 into the motor.

[0031] When the electric vehicle is in water, the outer layer of the insulating sheath 61 contains a tensile wire, which can greatly improve the tensile capacity of the waterproof wire 62, and shake off the attached water droplets during the pulling process. The inner layer of the waterproof wire 62 has a high efficient blocking effect, and the multiple protective layers prevent water from entering the motor through the wire assembly 6. During the riding process of the electric vehicle, the motor is heated, the rotating plate 532 is pressed and turned by the sliding column 52 to drive the air flow, which promotes the circulation of air in the motor. With the participation of the circulating air flow, the heat exchange efficiency in the motor is high. The sliding column 52 presses the fixed rod 56, the fixed rod 56 drives the fixed plate 561 to move outward, the hinged rod 563 slides in the sliding groove 562 to drive the sealing plate 564 connected at the other end to open, the heat dissipation hole 54 facilitates the air accumulated in the cavity to be discharged outward to balance the pressure in the cavity. The sealing plug 57 has a sealing effect, which can effectively protect the movable components such as the fixed rod 56 and the expansion spring 55, so that the accumulated air in the motor is not easy to cause local heat accumulation, and the motor can be effectively protected.

[0032] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields within the concept of the present application is included in the patent protection range of the present application.

Claims

1. An electric motor for electric vehicle equipped with a one-way valve mechanism comprising an upper end cover (1), characterized in that: The outer wall of the upper end cover (1) is fixedly connected with a connecting part (2), the surface of the upper end cover (1) is provided with a recessed part (3), the outer wall of the upper end cover (1) is fixedly connected with a clamping ring (4), one end of the clamping ring (4) away from the upper end cover (1) is fixedly connected with a one-way valve mechanism (5), the outer wall of the clamping ring (4) is provided with a wire assembly (6), the one-way valve mechanism (5) comprises: The valve body (51) is fixedly connected at one end of the clamping ring (4) away from the upper end cover (1); The sliding column (52) is in sliding connection with the inner wall of the valve body (51); The mounting groove (53) is provided on the inner wall of the valve body (51), and the mounting groove (53) is fixedly connected with a torsional spring (531), and the torsional spring (531) is fixedly connected with a rotating plate (532); And the heat dissipation hole (54) is provided on the outer wall of the valve body (51).

2. An electric motor for electric vehicles incorporating a one-way valve mechanism as claimed in claim 1, characterized in that: The outer wall of the clamping ring (4) is provided with a communication hole (401), and the communication hole (401) is provided with five groups, and the wire assembly (6) penetrates through the communication hole (401).

3. An electric motor for electric vehicles incorporating a one-way valve mechanism as claimed in claim 1, characterized in that: The outer wall of the sliding column (52) is fixedly connected with an extension spring (55), and the upper portion of the sliding column (52) is provided with a fixed rod (56), the fixed rod (56) is fixedly connected with a fixed plate (561), the outer wall of the fixed plate (561) is provided with a sliding groove (562), a hinged rod (563) is in sliding connection in the sliding groove (562), and one end of the hinged rod (563) away from the sliding groove (562) is fixedly connected with a sealing plate (564).

4. An electric motor for an electric vehicle incorporating a one-way valve mechanism as claimed in claim 3 wherein: The valve body (51) and the clamping ring (4) are fixedly connected through a sealing plug (57).

5. An electric motor for electric vehicles incorporating a one-way valve mechanism as claimed in claim 1, characterized in that: The wire assembly (6) comprises an insulating sheath (61), and the inner wall of the insulating sheath (61) is wrapped with a waterproof wire (62).

6. An electric vehicle motor incorporating a one-way valve mechanism as claimed in claim 5, characterized in that: The inner wall of the waterproof wire (62) is wrapped with a wire core (63), and the wire core (63) is provided with four groups.