Inverter shell of electric drive system

Abstract

The utility model provides an inverter housing of an electric drive system, which relates to the technical field of inverter housings and comprises a housing body, an installation assembly is arranged on the surface inside the housing body, reticulate patterns are arranged on the surface of the edge of the housing body, and a plurality of installation holes are formed in the edge of the housing body at equal intervals in a penetrating mode. The two movable plates are attached to the two ends of the circuit board, the circuit board is preliminarily fixed, the two movable plates can be fixed by rotating a bolt and arranging the top end of the bolt in a bolt hole, a screw rod is rotated by a worker, the screw rod is matched with a screw rod thread sleeve to move downwards, and the circuit board is fixed. According to the device, the two pressing plates can be driven to move downwards at the same time, the two pressing plates are arranged on the two sides of the upper surface of the circuit board, the circuit board is fixed, and the process of mounting and dismounting the circuit board in the device is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of inverter shells, and more specifically, to an inverter shell for an electric drive system. Background Art

[0002] An inverter is a converter that converts direct current electrical energy (batteries, accumulators) into alternating current with a fixed frequency and voltage or a variable frequency and voltage. It consists of an inverter bridge, a control logic, and a filter circuit. In the prior art, during the installation and disassembly process of the circuit board inside the inverter shell, the process is cumbersome and not easy for the staff to operate. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide an inverter shell for an electric drive system, which can effectively solve the problem that the installation and disassembly process of the circuit board inside the inverter in the background art is cumbersome and not easy for the staff to operate.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: an inverter shell for an electric drive system, including a shell, an installation component is arranged on the inner surface of the shell, a reticulation is arranged on the edge surface of the shell, a plurality of installation holes are equidistantly penetrated through the edge of the shell, the installation component includes a guide groove and two moving plates, the guide groove is arranged on the inner surface of the shell, the two moving plates are both slidably installed on both sides of the inner surface of the shell, guide blocks are fixedly installed on the lower surfaces of the two moving plates, the guide blocks are slidably installed inside the guide groove, a plurality of bolt holes are equidistantly arranged on the inner surface of the guide groove, a top plate is fixedly installed at the upper end of the moving plate, a bolt is installed on the top plate, the top end of the bolt passes through the moving plate and the guide block and is arranged inside the bolt hole, pressing plates are slidably installed on the front surfaces of the two moving plates, a connecting block is fixedly installed on the side surface of one of the pressing plates, an installation sleeve is fixedly installed on the side surface of one of the connecting blocks, a sliding rod is slidably installed inside the installation sleeve, one end of the sliding rod is arranged on the surface of the other connecting block, a chute is arranged on the front surface of the moving plate, a slider is fixedly installed at one end of the pressing plate, the slider is slidably installed inside the chute, a lead screw nut is installed on one of the top plates, the lead screw is installed on the top plate through the lead screw nut, and the lower end of the lead screw is rotatably arranged on the upper surface of the pressing plate.

[0005] Preferably, a plurality of positioning columns are equidistantly installed on the inner surface of the shell.

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

[0007] (1) Place the circuit board on the inner surface of the housing, between two moving plates. At this time, by sliding the two moving plates, the two moving plates are attached to both ends of the circuit board, playing a preliminary fixing role for the circuit board. At this time, by rotating the bolt, the top of the bolt is set inside the bolt hole, and at this time, the two moving plates can be fixed. At this time, by the staff rotating the screw rod, the screw rod cooperates with the screw rod sleeve to move downward. Because an installation sleeve is fixedly installed on the side of the connecting block, and a sliding rod is slidably installed inside the installation sleeve, and one end of the sliding rod is set on the surface of another connecting block, at this time, the two pressing plates can be driven to move downward simultaneously. The two pressing plates are set on both sides of the upper surface of the circuit board, playing a fixing role for the circuit board. The process of installing and disassembling the circuit board inside this device is simple. Description of the Drawings

[0008] Figure 1 is a schematic structural diagram of an inverter housing of an electric drive system of the present utility model;

[0009] Figure 2 is a schematic overall side view structural diagram of an inverter housing of an electric drive system of the present utility model;

[0010] Figure 3 is a schematic structural diagram of a pressing plate of an inverter housing of an electric drive system of the present utility model;

[0011] Figure 4 is a schematic structural diagram of a moving plate of an inverter housing of an electric drive system of the present utility model.

[0012] In the figure: 1, housing; 2, reticulation; 3, positioning column; 4, mounting hole; 5, mounting component; 501, guiding groove; 502, bolt hole; 503, moving plate; 504, pressing plate; 505, connecting block; 506, sliding groove; 507, guiding block; 508, mounting sleeve; 509, sliding rod; 510, top plate; 511, bolt; 512, screw rod; 513, screw rod sleeve; 514, slider. Detailed Embodiment

[0013] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0014] As Figure 1 shown, an inverter housing of an electric drive system includes a housing 1. An installation component 5 is arranged on the inner surface of the housing 1. A reticulation 2 is arranged on the edge surface of the housing 1. A plurality of mounting holes 4 are equidistantly penetrated through the edge of the housing 1.

[0015] As Figure 1 shown, a number of positioning posts 3 are equidistantly installed on the inner surface of the housing 1, making the installation of this device more stable.

[0016] As Figure 2 、 3 、Figure 4 shows that the installation component 5 includes a guide groove 501 and two moving plates 503. The guide groove 501 is opened on the inner surface of the housing 1. The two moving plates 503 are both slidably installed on both sides of the inner surface of the housing 1. Guide blocks 507 are fixedly installed on the lower surfaces of the two moving plates 503. The guide blocks 507 are slidably installed inside the guide groove 501. A number of bolt holes 502 are equidistantly opened on the inner surface of the guide groove 501. A top plate 510 is fixedly installed at the upper end of the moving plate 503. A bolt 511 is installed on the top plate 510. The top end of the bolt 511 passes through the moving plate 503 and the guide block 507 and is arranged inside the bolt hole 502. Pressure plates 504 are slidably installed on the front surfaces of the two moving plates 503. A connecting block 505 is fixedly installed on the side surface of one of the pressure plates 504. An installation sleeve 508 is fixedly installed on the side surface of one of the connecting blocks 505. A sliding rod 509 is slidably installed inside the installation sleeve 508. One end of the sliding rod 509 is arranged on the surface of the other connecting block 505. A chute 506 is opened on the front surface of the moving plate 503. A slider 514 is fixedly installed at one end of the pressure plate 504. The slider 514 is slidably installed inside the chute 506. A lead screw nut 513 is installed on one of the top plates 510. A lead screw 512 is installed on the top plate 510 through the lead screw nut 513. The lower end of the lead screw 512 is rotatably arranged on the upper surface of the pressure plate 504. Place the circuit board on the inner surface of the housing 1 and place the circuit board between the two moving plates 503. At this time, by sliding the two moving plates 503, the two moving plates 503 are attached to both ends of the circuit board, playing a preliminary fixing role for the circuit board. At this time, by rotating the bolt 511, the top end of the bolt 511 is arranged inside the bolt hole 502, and at this time, the two moving plates 503 can be fixed. At this time, by the staff rotating the lead screw 512, the lead screw 512 cooperates with the lead screw nut 513 to move downward. Because the connecting block 505 is fixedly installed with an installation sleeve 508 on the side surface, the sliding rod 509 is slidably installed inside the installation sleeve 508, and one end of the sliding rod 509 is arranged on the surface of the other connecting block 505. At this time, the two pressure plates 504 can be simultaneously driven to move downward, and the two pressure plates 504 are arranged on both sides of the upper surface of the circuit board, playing a fixing role for the circuit board. The process of installing and disassembling the circuit board inside this device is simple.

[0017] The working principle of this electric drive system inverter housing:

[0018] When in use, when installing the circuit board on the inner surface of the housing 1 using this device, first place the circuit board on the inner surface of the housing 1 and place the circuit board between the two moving plates 503. At this time, by sliding the two moving plates 503, the two moving plates 503 are attached to both ends of the circuit board, playing a preliminary fixing role for the circuit board. At this time, by rotating the bolt 511, the top end of the bolt 511 is set inside the bolt hole 502, and at this time, the two moving plates 503 can be fixed. At this time, by the staff rotating the lead screw 512, the lead screw 512 cooperates with the lead screw nut 513 to move downward. Because the mounting sleeve 508 is fixedly installed on the side of the connecting block 505, and the sliding rod 509 is slidably installed inside the mounting sleeve 508, and one end of the sliding rod 509 is set on the surface of another connecting block 505, at this time, the two pressing plates 504 can be driven to move downward simultaneously, and the two pressing plates 504 are set on both sides of the upper surface of the circuit board, playing a fixing role for the circuit board. The process of installing and disassembling the circuit board inside this device is simple and convenient for the staff to operate. By providing the texture 2 on the edge surface of the housing 1, the sealing performance of this device can be better.

[0019] The above embodiments of the present utility are merely examples for clearly illustrating the present utility, rather than limitations on the implementation manners of the present utility. For those of ordinary skill in the art, based on the above description, other different forms of changes or variations can be made. It is impossible to list all the implementation manners here. Any obvious changes or variations derived from the technical solutions of the present utility are still within the protection scope of the present utility.

Claims

1. An inverter housing for an electric drive system, comprising a housing (1), characterized in that: The inner surface of the housing (1) is provided with a mounting assembly (5). The edge surface of the housing (1) is provided with a reticulation (2). A number of mounting holes (4) are equidistantly perforated through the edge of the housing (1). The mounting assembly (5) includes a guide groove (501) and two moving plates (503). The guide groove (501) is opened on the inner surface of the housing (1). The two moving plates (503) are both slidably mounted on both sides of the inner surface of the housing (1). Guide blocks (507) are fixedly mounted on the lower surfaces of the two moving plates (503). The guide blocks (507) are slidably mounted inside the guide groove (501). A number of bolt holes (502) are equidistantly opened on the inner surface of the guide groove (501). A top plate (510) is fixedly mounted at the upper end of the moving plate (503). A bolt (511) is mounted on the top plate (510). The top end of the bolt (511) passes through the moving plate (503) and the guide block (507) and is arranged inside the bolt hole (502). Pressure plates (504) are slidably mounted on the front surfaces of the two moving plates (503). A connecting block (505) is fixedly mounted on the side surface of one of the pressure plates (504). An installation sleeve (508) is fixedly mounted on the side surface of one of the connecting blocks (505). A sliding rod (509) is slidably mounted inside the installation sleeve (508). One end of the sliding rod (509) is arranged on the surface of the other connecting block (505). A sliding groove (506) is opened on the front surface of the moving plate (503). A slider (514) is fixedly mounted at one end of the pressure plate (504). The slider (514) is slidably mounted inside the sliding groove (506). A lead screw nut (513) is mounted on one of the top plates (510). A lead screw (512) is mounted on the top plate (510) through the lead screw nut (513). The lower end of the lead screw (512) is rotatably arranged on the upper surface of the pressure plate (504).

2. The inverter housing of the electric drive system according to claim 1, characterized in that: A number of positioning posts (3) are equidistantly mounted on the inner surface of the housing (1).

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