Integrated motor pump assembly

Abstract

The utility model discloses an integrated motor pump assembly which comprises a motor controller, an electric control shell, a first motor shell and a second motor shell, a first motor is installed in the first motor shell, and a second motor is installed in the second motor shell. A motor controller mounting cavity is formed in the electric control shell, and two mounting surfaces which are independent from each other and are arranged side by side are arranged at the bottom of the electric control shell and are respectively a first mounting surface and a second mounting surface; a third mounting surface is arranged on the first motor shell, and the first motor shell is hermetically assembled on the first mounting surface on one side of the bottom of the electric control shell through the third mounting surface; a fourth mounting surface is arranged on the second motor shell, and the second motor shell is hermetically assembled on a second mounting surface on the other side of the bottom of the electric control shell through the fourth mounting surface; the motor controller is installed in the motor controller installation cavity and electrically connected with the first motor and the second motor.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor pump technical field, specifically, relate to a kind of integrated motor pump assembly. BACKGROUND

[0002] Motor pump is mainly used for automobile active suspension system, with high integration, small space size, simple structure, excellent sealing performance, easy to disassemble and reassemble and the characteristics such as multiple disassembly and reassembly. The shell of MPU usually includes two motor shells and the controller shell arranged at the top of the two motor shells, wherein the controller shell is adhered with the two motor shells by sealing glue, and is connected by bolt. The two motor shells are adhered by sealing glue. That is, the sealing between the three shells of MPU is mainly realized by sealing glue.

[0003] There are also controller shell and two motor shells are respectively fixed by multiple groups of bolts, and are sealed by sealing pad, but the mold is complex, and the production cost is high. In addition, assembly needs multiple groups of bolt fixation, still has the risk of sealing failure, especially in the triangular area of horizontal and vertical intersection, gap is prone to exist, and sealing failure.

[0004] In addition, whether the controller shell and the two motor shells are adhered by sealing glue or fixed by multiple groups of bolts and sealed by sealing pad, it belongs to the sealing of space structure, and the production and manufacturing are poor. INNOVATION CONTENT

[0005] In view of the above technical problems, the utility model provides an integrated motor pump assembly, the motor pump assembly optimizes the complex space sealing structure design to planar sealing design, solves the problem that motor pump unit and controller shell are difficult to seal, improves the sealing effect, and the assembly is good, improves product quality, and reduces manufacturing cost.

[0006] In order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0007] An integrated motor pump assembly includes a motor controller, an electric control shell, a first motor shell and a second motor shell, wherein the first motor shell is installed with a first motor, and the second motor shell is installed with a second motor.

[0008] The electric control shell is provided with a motor controller mounting cavity, and the bottom of the electric control shell is provided with two mutually independent and side-by-side arranged mounting surfaces, which are a first mounting surface and a second mounting surface.

[0009] The first motor shell is provided with a third mounting surface, and the first motor shell is sealed and assembled on the first mounting surface on one side of the bottom of the electric control shell through the third mounting surface.

[0010] The fourth mounting surface is arranged on the second motor shell, and the second motor shell is sealingly assembled on the second mounting surface on the other side of the bottom of the electric control shell;

[0011] The motor controller is mounted in the motor controller mounting cavity and electrically connected with the first motor and the second motor.

[0012] Beneficial effects: the bottom of the motor controller mounting cavity is provided with two motor mounting openings in communication with the motor controller mounting cavity and arranged independently side by side, which are a first motor mounting opening and a second motor mounting opening, the sealing effect is improved, the assembly is good, the product quality is improved, and the manufacturing cost is reduced.

[0013] In an alternative embodiment, the integrated motor pump assembly further comprises a sealing ring, which is a first sealing ring and a second sealing ring, wherein the first sealing ring is mounted between the first mounting surface and the third mounting surface, the third mounting surface of the first motor shell is provided with a first sealing groove, and the first sealing ring is mounted in the first sealing groove;

[0014] The second sealing ring is mounted between the second mounting surface and the fourth mounting surface, the fourth mounting surface of the second motor shell is provided with a second sealing groove, and the second sealing ring is mounted in the second sealing groove.

[0015] Beneficial effects: in this embodiment, the complex space sealing is designed as a simple plane sealing, the sealing effect is improved, and in this embodiment, a sealing groove which is very mature and reliable in the art is arranged on the motor shell, and sealing is realized through the sealing ring, so that reliable plane sealing connection between the motor shell and the electric control shell is realized.

[0016] In an alternative embodiment, the third mounting surface of the first motor shell is provided with a first threaded hole, and the electric control shell is provided with a first through hole corresponding to the position of the first threaded hole; the motor pump assembly further comprises a first connecting bolt, and the first connecting bolt is threadedly connected with the first threaded hole through the first through hole;

[0017] The fourth mounting surface of the second motor shell is provided with a second threaded hole, and the electric control shell is provided with a second through hole corresponding to the position of the second threaded hole; the motor pump assembly further comprises a second connecting bolt, and the second connecting bolt is threadedly connected with the second threaded hole through the second through hole.

[0018] Beneficial effects: in this embodiment, a bolt which is very mature and reliable in the art is used to realize fastening connection between the motor shell and the electric control shell, and sealing is realized through a sealing member, so that reliable fixed connection between the motor shell and the electric control shell is realized.

[0019] In an alternative embodiment, a fifth mounting surface is further provided on the first motor housing, and the fifth mounting surface is used for mounting and connecting the first hydraulic pump;

[0020] A sixth mounting surface is provided on the second motor housing, and the sixth mounting surface is used for mounting and connecting the second hydraulic pump;

[0021] A circular mounting hole is respectively provided on the fifth mounting surface and the sixth mounting surface, and the circular mounting hole is used for coaxial positioning of the motor and the hydraulic pump.

[0022] Beneficial effect: through the circular mounting hole, the coaxiality of the center of the oil pump and the center of the motor can be achieved, the rotational center of the motor shaft is aligned, and flexible rotation is achieved, thereby avoiding wear caused by misalignment of the shaft.

[0023] In an alternative embodiment, a third through hole is respectively provided on the first motor housing and the second motor housing, and a bolt fastener passes through the third through hole to achieve coaxial fixed connection of the first motor housing and the second motor housing along the motor shaft.

[0024] Beneficial effect: in this embodiment, the first motor housing and the second motor housing are bolted and connected, which improves the overall rigidity and increases the free mode vibration frequency.

[0025] In an alternative embodiment, a first opening is provided on one side of the first motor housing adjacent to the second motor housing, and a seventh mounting surface is provided on the first opening; a second opening is provided on one side of the second motor housing adjacent to the first motor housing, and an eighth mounting surface is provided on the second opening, and the seventh mounting surface of the first motor housing is sealingly and assembledly connected with the eighth mounting surface of the second motor housing.

[0026] Beneficial effect: the opening is added to the tail of the motor, which is used for electrical connection of three-phase lines of the motor and a controller, and assembly of a rotational speed sensor, and optimizes the assembly design, facilitates assembly automation, and only one sealing element is used for sealing between the openings of the two motors, thereby reducing the sealing cost.

[0027] In an alternative embodiment, a heat dissipation structure is provided on the outside of the electric control housing.

[0028] Beneficial effect: the heat dissipation structure can be used for heat dissipation of power components of the controller, reduces the risk of overheating of the product, improves the service life of the controller, and at the same time improves the continuous working time of the controller.

[0029] In an alternative embodiment, the electric control housing comprises an electric control housing first shell and an electric control housing second shell, the electric control housing first shell is sealingly and assembledly connected with the motor housing, and the electric control housing second shell is sealingly and assembledly connected with the electric control housing first shell.

[0030] Beneficial effects: By setting the electrical control housing as a split structure, the controller component PCB board can be installed in the second shell of the electrical control housing, which makes it easier for the power components in the PCB board to be close to the top of the electrical control housing, which is beneficial to the heat dissipation structure design. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the integrated motor pump assembly of this utility model;

[0032] Wherein, 1 is the first housing of the electrical control enclosure; 2-1 is the first motor housing; 2-2 is the second motor housing; 3-1 is the first hydraulic pump; 3-2 is the second hydraulic pump; 4 is the hydraulic pump screw; 5 is the motor screw; 6 is the second housing of the electrical control enclosure; 7 is the fixing screw of the second housing of the electrical control enclosure; 8-1 is the first sealing ring; 8-2 is the second sealing ring; 9 is the hex socket head cap screw; 10 is the controller PCB board; 11 is the fourth sealing ring.

[0033] Figure 2 for Figure 1 Exploded view;

[0034] Figure 3 for Figure 1 A schematic diagram of the structure of the central electronic control unit's housing;

[0035] Wherein, 1-1 is the first mounting surface; 1-2 is the second mounting surface; 1-3 is the first through hole; and 1-4 is the third threaded hole.

[0036] Figure 4 for Figure 1 Schematic diagram of the structure of the electric motor;

[0037] Wherein, 2-1-1 is the third mounting surface; 2-1-2 is the first sealing groove; 2-1-3 is the first threaded hole; 2-1-4 is the first cable outlet hole; 2-1-5 is the second cable outlet hole; 2-1-6 is the fifth mounting surface; 2-1-7 is the motor shaft; 2-1-8 is the fourth threaded hole; and 2-1-9 is the third through hole.

[0038] Figure 5 A schematic diagram of the structure of the first and second sealing rings;

[0039] Figure 6 This is an exploded view of the structure of Embodiment 2 of the integrated motor pump assembly of this utility model;

[0040] Among them, 12 is the third sealing ring;

[0041] Figure 7 This is an exploded view of an improved structure of Embodiment 2 of the integrated motor pump assembly of this utility model;

[0042] Figure 8Another improved structure explosion map of the integrated motor pump assembly embodiment 2 of the utility model. DETAILED DESCRIPTION

[0043] The technical scheme of the utility model will be further described in detail below in combination with specific embodiments and the drawings of the specification, so that the skilled in the art can better understand the utility model and implement it, but the embodiments are not as the limitation of the utility model. Embodiment 1

[0044] As Figures 1 to 5 The utility model discloses an integrated motor pump assembly, including motor controller 1, electric control shell, first motor shell 2-1 and second motor shell 2-2, wherein, install first motor in first motor shell 2-1, install second motor in second motor shell 2-2;

[0045] The electric control shell is equipped with motor controller installation cavity, and the bottom of electric control shell is equipped with two mutually independent and side -by -side arrangement installation face, and is first installation face and second installation face respectively;

[0046] The third installation face is equipped on first motor shell 2-1, and first motor shell 2-1 is sealed and assembled on the first installation face of the bottom side of electric control shell through the third installation face;

[0047] The fourth installation face is equipped on second motor shell 2-2, and second motor shell 2-2 is sealed and assembled on the second installation face of the bottom other side of electric control shell through the fourth installation face;

[0048] The motor controller 1 is installed in the motor controller installation cavity, and is electrically connected with the first motor and second motor.

[0049] The bottom of the motor controller installation cavity of the utility model is equipped with two motor installation ports that are communicated with the motor controller installation cavity and are independently arranged side by side, and are first motor installation port and second motor installation port respectively, improve the sealing effect, and can be assembled well, improve product quality, and reduce manufacturing cost.

[0050] As a further preferred embodiment of the utility model, the integrated motor pump assembly further comprises a sealing ring, which is a first sealing ring 8-1 and a second sealing ring 8-2, wherein the first sealing ring is installed between the first installation face 1-1 and the third installation face 2-1-1, the third installation face 2-1-1 of the first motor shell is provided with a first sealing groove 2-1-2, and the first sealing ring is installed in the first sealing groove.

[0051] The second sealing ring is arranged between the second mounting surface 1-2 and the fourth mounting surface, and the fourth mounting surface of the second motor shell is provided with a second sealing groove, and the second sealing ring is arranged in the second sealing groove.

[0052] Of course, the sealing effect can be better by sealing with sealing glue instead of sealing ring.

[0053] The utility model discloses a complex space sealing is designed as simple plane sealing, improves the sealing effect, and this embodiment preferably sets up the sealing groove through the very mature and reliable sealing groove in the field on the motor shell, and realizes sealing through the sealing ring, guarantees reliable plane sealing connection between the motor shell and the electric control shell.

[0054] As a further preferred embodiment of the utility model, the third mounting surface of the first motor shell is provided with a first threaded hole 2-1-3, and the electric control shell is provided with a first through hole 1-3 corresponding to the first threaded hole; the motor pump assembly further comprises a first connecting bolt, and the first connecting bolt is screwed through the first through hole and the first threaded hole;

[0055] The fourth mounting surface of the second motor shell is provided with a second threaded hole, and the electric control shell is provided with a second through hole corresponding to the second threaded hole; the motor pump assembly further comprises a second connecting bolt, and the second connecting bolt is screwed through the second through hole and the second threaded hole.

[0056] It is preferred that the motor shell and the electric control shell are fastened and connected through the very mature and reliable bolt in the field, and sealed through the sealing member, so as to realize reliable fixed connection between the motor shell and the electric control shell.

[0057] As a further preferred embodiment of the utility model, the first motor shell is further provided with a fifth mounting surface 2-1-6, and the fifth mounting surface is used for mounting and connecting the first hydraulic pump.

[0058] The second motor shell is provided with a sixth mounting surface, and the sixth mounting surface is used for mounting and connecting the second hydraulic pump.

[0059] The fifth mounting surface and the sixth mounting surface are respectively provided with circular mounting holes for coaxial positioning of the motor and the hydraulic pump.

[0060] Beneficial effect: through the circular mounting hole, the coaxiality of the oil pump center and the motor center can be realized, the rotation center of the motor shaft is aligned, and flexible rotation is realized, so that wear caused by the shaft is avoided.

[0061] As a further preferred embodiment of the present utility model, the first motor housing and the second motor housing are respectively provided with a third through hole 2-1-9, and the first motor housing and the second motor housing are coaxially fixedly connected along the motor axis by means of bolts and fasteners passing through the third through holes.

[0062] It is preferable to fasten the first motor housing and the second motor housing together with bolts to improve the overall rigidity and increase the free modal vibration frequency. Example 2

[0063] like Figure 6 As shown, the difference between this embodiment and Embodiment 1 is that the first motor housing has a first opening on the side adjacent to the second motor housing, and the first opening has a seventh mounting surface; the second motor housing has a second opening on the side adjacent to the first motor housing, and the second opening has an eighth mounting surface, and the seventh mounting surface of the first motor housing and the eighth mounting surface of the second motor housing are sealed and assembled together.

[0064] Beneficial effects: An opening is added to the tail of the motor for the electrical connection between the motor's three-phase wires and the controller, as well as for the assembly of the speed sensor, optimizing the assemblability design and facilitating automated assembly.

[0065] like Figure 7 As shown, as a further optimization of the technical solution in Embodiment 2, cover plates are detachably connected to the first opening of the first motor and the second opening of the second motor, respectively, to achieve independent sealing of the motor and improve the sealing effect.

[0066] like Figure 8 As a further optimization of the technical solution in Embodiment 2, the first opening of the first motor and the second opening of the second motor are sealed by a cover plate that is detachably connected, thereby reducing the processing cost of the housing. Example 3

[0067] The difference between this embodiment and Embodiments 1 and 2 is that the external of the electronic control housing is provided with a heat dissipation structure. It can be understood that this heat dissipation structure can be used to dissipate heat from the controller's power components, reducing the risk of overheating, extending the controller's lifespan, and increasing the controller's continuous operating time.

[0068] As a further preferred embodiment of the technical solution, the electrical control housing includes a first electrical control housing and a second electrical control housing. The first electrical control housing is sealed and assembled with the motor housing, and the second electrical control housing is sealed and assembled with the first electrical control housing.

[0069] The embodiment sets the electric control shell as a split structure, can realize that the controller component PCB board is installed on the second shell of the electric control shell, facilitates that the power component in the PCB board is close to the top of the electric control shell, and is favorable for heat dissipation structure design.

Claims

1. An integrated motor-pump assembly, characterized by, The motor controller, the electric control shell, the first motor shell and the second motor shell are provided, wherein the first motor shell is installed with a first motor, and the second motor shell is installed with a second motor; The electric control shell is provided with a motor controller installation cavity, and the bottom of the electric control shell is provided with two mutually independent and side-by-side arranged installation surfaces, which are a first installation surface and a second installation surface respectively; The first motor shell is provided with a third installation surface, and the first motor shell is sealingly assembled on the first installation surface on one side of the bottom of the electric control shell through the third installation surface; The second motor shell is provided with a fourth installation surface, and the second motor shell is sealingly assembled on the second installation surface on the other side of the bottom of the electric control shell through the fourth installation surface; The motor controller is installed in the motor controller installation cavity and is electrically connected with the first motor and the second motor.

2. The integrated motor pump assembly of claim 1, wherein, The integrated motor pump assembly further comprises sealing rings, which are a first sealing ring and a second sealing ring, wherein the first sealing ring is installed between the first installation surface and the third installation surface, the third installation surface of the first motor shell is provided with a first sealing groove, and the first sealing ring is installed in the first sealing groove; The second sealing ring is installed between the second installation surface and the fourth installation surface, the fourth installation surface of the second motor shell is provided with a second sealing groove, and the second sealing ring is installed in the second sealing groove.

3. The integrated motor pump assembly of claim 2, wherein, The third installation surface of the first motor shell is provided with a first threaded hole, and the electric control shell is provided with a first through hole corresponding to the position of the first threaded hole; the motor pump assembly further comprises a first connecting bolt, and the first connecting bolt is threadedly connected with the first threaded hole through the first through hole; The fourth installation surface of the second motor shell is provided with a second threaded hole, and the electric control shell is provided with a second through hole corresponding to the position of the second threaded hole; the motor pump assembly further comprises a second connecting bolt, and the second connecting bolt is threadedly connected with the second threaded hole through the second through hole.

4. The integrated motor pump assembly of claim 1, wherein, The first motor shell is further provided with a fifth installation surface, and the fifth installation surface is used for first hydraulic pump installation connection; The second motor shell is provided with a sixth installation surface, and the sixth installation surface is used for second hydraulic pump installation connection; The fifth installation surface and the sixth installation surface are respectively provided with circular mounting holes for coaxial positioning of the motor and the hydraulic pump.

5. The integrated motor pump assembly of claim 1, wherein, The first motor shell and the second motor shell are respectively provided with third through holes, and the first motor shell and the second motor shell are coaxially fixedly connected along the motor axis through a bolt fastener passing through the third through hole.

6. The integrated motor pump assembly of claim 5, wherein, The first motor shell is provided with a first opening on one side adjacent to the second motor shell, and the first opening is provided with a seventh installation surface; the second motor shell is provided with a second opening on one side adjacent to the first motor shell, and the second opening is provided with an eighth installation surface, and the seventh installation surface of the first motor shell is sealingly assembled and connected with the eighth installation surface of the second motor shell.

7. The integrated motor pump assembly of claim 1, wherein, The electric control shell is provided with a heat dissipation structure.

8. The integrated motor pump assembly of claim 7, wherein, The electric control shell comprises an electric control shell first casing and an electric control shell second casing, the electric control shell first casing is sealingly and fitly connected with the motor shell, and the electric control shell second casing is sealingly and fitly connected with the electric control shell first casing.

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