Highly integrated shell assembly of high-speed oil-cooled motor

Abstract

The utility model discloses a highly-integrated shell assembly of a high-speed oil-cooled motor, and belongs to the technical field of oil-cooled motors. Comprising a rear shell and a middle shell which are integrated together. A rotary transformer is installed on the rear shell, a pressing plate is arranged between the rear shell and the rotary transformer, a stamping key is arranged on the pressing plate and matched with a key groove of the rotary transformer to prevent the rotary transformer from rotating in the radial direction, and an outer edge protrusion is arranged on the pressing plate and matched with a groove of the rear shell. Through the highly integrated shell arrangement, the problem of compact spatial arrangement is solved, various parts and connector interfaces are integrated, and functional diversity and effectiveness are guaranteed. According to the utility model, the pressing plate is designed to be matched with the rear shell, so that axial movement and radial rotation of the resolver are prevented, and mounting mistakes are prevented. Oil is filtered and cooled through the rear oil suction pipeline and the oil discharge pipeline under the action of the gear pump by means of the oil filter and the oil cooler, the overall arrangement structure is compact, the high-speed oil cooling function is achieved on the premise that more adaptability of the space is met, and the cleanliness of the oil is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil -cooled motor technical field, concretely relates to a high -speed oil -cooled motor height integrated type shell assembly. BACKGROUND

[0002] The high -speed oil -cooled motor is applied to the universally existing new energy range increasing system, and the traditional range increasing system is often more dispersed in layout, and the connection between components is complex, not only occupies large space, but also is easy to cause efficiency loss and failure rate increase due to mutual interference and friction between components. How to effectively utilize the cabin space, reduce unnecessary space waste, while ensuring the cooperative work between components, is the key to improve the overall system efficiency. SUMMARY

[0003] The utility model discloses a high -speed oil -cooled motor height integrated type shell assembly provides a high -speed oil -cooled motor height integrated type shell assembly,

[0004] The utility model discloses the technical scheme that adopts is:

[0005] High -speed oil -cooled motor height integrated type shell assembly, including the integrated rear shell and middle shell, install the rotary transformer on the rear shell, and set up the pressing plate between the rear shell and rotary transformer, set up the stamping key on the pressing plate and the key groove cooperation of rotary transformer prevents rotary transformer radial rotation, and set up the outer edge protrusion on the pressing plate and the recess cooperation of rear shell.

[0006] Compared with the prior art, the utility model has the following beneficial effects:

[0007] 1, the utility model discloses the height integrated type shell arrangement is arranged in the limited space, realizes efficient power output, and the reliability of the mechanical reliability is further improved, solves the problem that the space arrangement is compact, integrates multiple components, plug connector interface, guarantees the functional diversity, effectiveness.

[0008] 2, the utility model discloses the pressing plate structure design and rear shell cooperation realize the prevention of rotary transformer axial movement, radial rotation and installation mistake proofing.

[0009] 3, the utility model discloses the oil suction oil circuit, oil discharge pipeline under the action of gear pump realizes the filtration and cooling of oil by the help of oil filter, oil cooler, and the overall arrangement structure is compact, realizes the function of high -speed oil -cooling under the premise of meeting the space more adaptability, guarantees the oil cleanliness.

[0010] 4, the utility model discloses the design support bushing realizes the effective support to the long distance high -speed motor shaft, and the size guarantee mode of bushing integrated on the shell is specified.

[0011] 5, the utility model discloses the oil pump oil tank, oil circuit machine shell wall thickness principle, realizes the axial distance more compact.

[0012] 6、The compact structure light weight characteristics of the utility model are suitable for ground, air mechanical power arrangement and endurance.

[0013] 7、The utility model satisfies the principle of reducing cost and increasing efficiency, and provides more possibilities for subsequent extended range market. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the axial section view of the shell integrated parts and plug-in piece structure of the utility model;

[0015] Figure 2 It is the axial section view of the pressing plate press fitting, cylinder penetrating wire harness structure of the utility model;

[0016] Figure 3 It is the axial press fitting section view of the pressing plate and rotary transformer of the utility model;

[0017] Figure 4 It is the side structure diagram of the oil cooler of the utility model;

[0018] Figure 5 It is the waterway and oilway backflow structure diagram of the utility model;

[0019] Figure 6 It is the structure diagram of the flange boundary integrated oil suction oilway of the utility model;

[0020] Wherein: 1, rear shell; 3, rotary transformer; 4, pressing plate; 5, stamping key; 6, keyway; 7, outer edge protrusion; 8, groove; 9, high-pressure connector; 10, axial rubber ring; 11, cylinder penetrating connector; 12, O-ring one; 13, gear pump; 14, gear pump special-shaped rubber ring; 15, oil filter; 16, O-ring two; 17, oil suction oilway; 18, O-ring three; 19, screw plug one; 20, oil discharge oilway; 21, O-ring four; 22, screw plug two; 23, middle shell; 24, O-ring five; 25, oil cooler; 26, controller; 27, dustproof sealing ring; 28, controller waterway interface; 29, controller special-shaped rubber ring; 30, high-speed motor shaft; 31, support bushing; 32, waterway; 33, connector nozzle; 34, waterway rubber pipe; 35, backwater pipe; 36, groove; 37, oil suction pipeline; 38, flange boundary; 39, flange boundary; 40, wall thickness. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the utility model, the utility model will be described in further detail below in combination with the drawings.

[0022] For example, Figures 1-6As shown, a high-speed oil-cooled motor highly integrated shell assembly includes a rear shell 1 and a middle shell 23 integrated together; a resolver 3 is mounted on the rear shell 1, the resolver 3 is interference pressed on the rear shell 1 through a pressing plate 4 to prevent axial movement of the resolver 3,

[0023] As shown, Figure 3 A pressing plate 4 is arranged between the rear shell 1 and the resolver 3, and the pressing plate 4 is provided with a stamping key 5 matched with a key groove 6 of the resolver 3 to prevent radial rotation of the resolver 3,

[0024] The pressing plate 4 is provided with an outer edge protrusion 7 matched with a groove 8 of the rear shell 1 to ensure the uniqueness of the installation direction and play a mistake-proofing role; as shown, Figure 2 The outer edge protrusion 7 and the groove 8 are both provided with four parts.

[0025] As shown, Figures 1-3 The high-pressure connector 9, the through-cylinder connector 11, and the gear pump 13 are all mounted on the rear shell 1, the high-pressure connector 9 is sealed by an axial rubber ring 10, the through-cylinder connector 11 is sealed by an O-ring 12, and the gear pump 13 is sealed with the rear shell 1 by a special-shaped rubber ring 14 of the gear pump,

[0026] As shown, Figure 1 , Figure 5 The oil filter 15 is arranged on the middle shell 23, and the oil filter 15 is sealed by an O-ring 16,

[0027] The rear shell 1 is provided with an oil suction oil way 17 and an oil discharge oil way 20, the oil discharge oil way 20 is connected with an oil suction pipeline 37 of the middle shell 23 at the end and is sealed by an O-ring 24, and the oil flows back to an oil cooler 25 connected with the middle shell 23 through the oil suction pipeline 37 of the middle shell 23,

[0028] The oil suction oil way 17 is sealed by a screw plug 19 with an O-ring 18,

[0029] The oil discharge oil way 20 is sealed by a screw plug 22 with an O-ring 21,

[0030] The controller 26 is mounted on the rear shell 1 correctly, and the controller 26 is sealed by a dustproof sealing ring 27,

[0031] The controller waterway interface 28 is sealed with the rear shell 1 by a special-shaped rubber ring 29 of the controller,

[0032] A support bushing 31 is arranged between the high-speed motor shaft 30 and the rear shell 1, the outer diameter of the support bushing 31 is interference pressed and tightly processed with the rear shell 1, and the inner diameter of the support bushing 31 is clearance fitted with the high-speed motor shaft 30,

[0033] The water return of the controller 26 is connected to the connector nozzle 33, which is connected to the water return hose 34, which is connected to the water return pipe 35 of the oil cooler 25, and the gear pump 13 is connected to the oil suction pipe 17 in an axial compact manner, and the axial distance is minimized by the flange boundary 38 and the flange boundary 39, which meets the principle of the wall thickness 40 of the rear shell 1, thereby optimizing the shell weight in design, such as Figure 6

[0034] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, these features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.​

Claims

1. A highly integrated housing assembly for a high-speed oil-cooled motor, characterized in that: It includes a rear housing (1) and a middle housing (23) integrated together; a resolver (3) is installed on the rear housing (1), and a pressure plate (4) is provided between the rear housing (1) and the resolver (3). The pressure plate (4) is provided with a stamping key (5) that cooperates with the keyway (6) of the resolver (3) to prevent the resolver (3) from rotating radially. The pressure plate (4) is provided with an outer edge protrusion (7) that cooperates with the groove (8) of the rear housing (1).

2. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 1, characterized in that: The rear housing (1) is equipped with a high-pressure connector (9), a cylinder connector (11), and a gear pump (13).

3. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 2, characterized in that: An oil filter (15) is installed on the middle housing (23). An oil suction passage (17) and an oil discharge passage (20) are provided on the rear housing (1). The end of the oil discharge passage (20) is connected to the oil suction pipe (37) of the middle housing (23). The oil flows back to the oil cooler (25) connected to the middle housing (23) through the oil suction pipe (37). A controller (26) is installed on the rear housing (1). The water passage (32) of the controller (26) flows back to the connector (33). The connector (33) is connected to the water passage hose (34) to transmit the water back to the return water pipe (35) of the oil cooler (25). The slot (36) of the gear pump (13) is axially and tightly fitted with the oil suction passage (17).

4. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 3, characterized in that: The oil filter (15) is sealed by O-ring two (16), the oil suction passage (17) is sealed by screw plug one (19) with O-ring three (18), the oil discharge passage (20) is sealed by screw plug two (22) with O-ring four (21), the controller (26) is sealed by dustproof sealing ring (27), and the controller water interface (28) and the controller (26) are sealed to the rear housing (1) by controller special-shaped rubber ring (29).

5. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 1, characterized in that: A support bushing (31) is provided between the rear housing (1) and the high-speed motor shaft (30).

6. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 5, characterized in that: The outer diameter of the support bushing (31) is press-fitted to the rear housing (1) and then machined. The inner diameter of the support bushing (31) is clearance-fitted to the high-speed motor shaft (30).

7. The highly integrated housing assembly for a high-speed oil-cooled motor according to claim 2, characterized in that: The high-pressure connector (9) is sealed by an axial rubber ring (10), the cylinder connector (11) is sealed by an O-ring (12), and the gear pump (13) is sealed to the rear housing (1) by a gear pump shaped rubber ring (14).

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