Integrated sealed output switching device

Abstract

The utility model relates to an integrated sealed output switching device, which comprises an integrated three-phase support, a low-voltage plug-in cavity, an O-shaped sealing ring, an L-shaped oil-proof sealing ring and a plurality of H-shaped signal terminals, and is characterized in that the integrated three-phase support is provided with an O-shaped sealing ring mounting groove and an L-shaped oil-proof sealing ring mounting groove; the O-shaped sealing ring is mounted in the O-shaped sealing ring mounting groove, and the low-voltage plug-in cavity is arranged in the O-shaped sealing ring; the L-shaped oil-proof sealing ring is mounted in the L-shaped oil-proof sealing ring mounting groove; and the plurality of H-shaped signal terminal arrays are fixed in the low-voltage plug-in cavity. Compared with the prior art, according to the utility model, the O-shaped sealing ring and the L-shaped oil-proof sealing ring are in sealing fit with the integrated three-phase bracket, and the integrated three-phase bracket is provided with the low-voltage plug-in cavity, so that the output connection from electric control to the motor is simplified, and the output connection comprises three-phase high-voltage signal connection and low-voltage signal connection; and the electric appliance connection is more reliable and safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing device, especially to an integrated sealing output switching device. BACKGROUND

[0002] With the gradual exhaustion and increasingly scarce of fossil energy and the increasingly high demand for low-carbon environmental protection, pure electric vehicles have become the main direction of current new energy vehicle development. The motor and controller system of the electric vehicle is the core component of the electric vehicle, which is directly related to the performance of the whole vehicle. The oil-cooled motor has obvious advantages in low temperature rise, low noise, high reliability, relatively light weight, less maintenance workload and the like.

[0003] In a conventional oil-cooled motor controller integrated product, the three-phase high-voltage output part and the low-voltage signal connection of the motor and the electric control are designed separately, and are installed separately during assembly, which has many parts and unreliable sealing, especially in the oil-cooled motor working condition application, oil leakage failure is difficult to control.

[0004] In summary, how to design a sealing output switching device with high integration is a technical problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of integrated sealing output switching devices to overcome the defects of the above prior art.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] According to an aspect of the utility model, an integrated sealing output switching device is provided, comprising an integrated three-phase support, a low-voltage plug-in cavity, an O-shaped sealing ring, an L-shaped oil-proof sealing ring and a plurality of H-shaped signal terminals, the integrated three-phase support is provided with an O-shaped sealing ring mounting groove, an L-shaped oil-proof sealing ring mounting groove and a high-voltage connection terminal; The O-shaped sealing ring is installed in the O-shaped sealing ring mounting groove, and the low-voltage plug-in cavity is arranged in the O-shaped sealing ring; The L-shaped oil-proof sealing ring is installed in the L-shaped oil-proof sealing ring mounting groove; A plurality of H-shaped signal terminals are arrayed and fixed in the low-voltage plug-in cavity.

[0008] As a preferred technical solution, the integrated three-phase support edge is provided with a mounting support fixing hole.

[0009] As a preferred technical solution, the low-voltage plug-in cavity comprises a first low-voltage plug-in cavity and a second low-voltage plug-in cavity located on the two sides of the integrated three-phase support respectively.

[0010] As a preferred technical scheme, the low-voltage plug-in cavity is internally provided with a plug-in guide groove; the low-voltage plug-in cavity is externally provided with a reinforcing rib between the low-voltage plug-in cavity and the integrated three-phase support; and the low-voltage plug-in cavity is externally provided with a low-voltage plug-in locking hole.

[0011] As a preferred technical scheme, the high-voltage connection terminal comprises a plurality of circular high-voltage terminals arranged on one side of the integrated three-phase support and a plurality of semicircular high-voltage terminals arranged on the other side of the integrated three-phase support, one circular high-voltage terminal being in communication with one semicircular high-voltage terminal; and the flat side of the semicircular high-voltage terminal is an installation surface of the wiring terminal.

[0012] As a preferred technical scheme, the circular high-voltage terminals are provided with an insulating baffle between two adjacent circular high-voltage terminals.

[0013] As a preferred technical scheme, the H-shaped signal terminal is provided with a signal terminal positioning block, and the signal terminal positioning block is provided with a signal terminal boss; the signal terminal boss is in interference fit with the low-voltage plug-in cavity, and the H-shaped signal terminal and the low-voltage plug-in cavity are provided with fixing glue therebetween.

[0014] As a preferred technical scheme, the L-shaped oil-proof sealing ring comprises a sealing ring flat boss and a sealing ring radial boss, and the sealing ring flat boss is attached to the integrated three-phase support.

[0015] As a preferred technical scheme, the sealing ring radial boss is in a wave structure.

[0016] As a preferred technical scheme, the sealing ring flat boss is provided with a limiting block at the edge thereof, some limiting blocks are provided with positioning pins, the integrated three-phase support is provided with limiting holes, some limiting holes are provided with positioning holes, the limiting holes are matched with the limiting blocks, and the positioning holes are matched with the positioning pins.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1) The O-shaped sealing ring and the L-shaped oil-proof sealing ring are in sealing cooperation with the integrated three-phase support, the low-voltage plug-in cavity and the high-voltage connection terminal are arranged on the integrated three-phase support, the design scheme simplifies the output connection of the electric control to the motor, can realize three-phase high-voltage signal connection and low-voltage signal connection, and makes the electric appliance connection more reliable and safe.

[0019] 2) The H-shaped signal terminal is fixed in the low-voltage plug-in cavity in an array type, the design scheme can realize plug-in quick connection, is more convenient in efficiency compared with the traditional motor wire harness connection, and is more suitable for batch production.

[0020] 3) The utility model discloses L type oil -proof sealing ring is fixed in L type oil -proof sealing ring installation groove through the limiting hole, this design scheme can install to corresponding position accurately when installing the sealing ring, prevent sealing failure when installing the sealing ring, reduce the loss caused by installation badness, L type oil -proof sealing ring can realize radial and plane double seal, reduced the sealing failure risk between three -phase support and the box, and the sealing ring radial boss is the wave type structure design, effectively improved the equipment sealing capacity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an explosion map of the utility model one-piece sealing output switching device;

[0022] Figure 2 It is the first whole structure schematic drawing of the utility model one-piece sealing output switching device;

[0023] Figure 3 It is the second whole structure schematic drawing of the utility model one-piece sealing output switching device;

[0024] Figure 4 It is the third whole structure schematic drawing of the utility model one-piece sealing output switching device;

[0025] Figure 5 It is the fourth whole structure schematic drawing of the utility model one-piece sealing output switching device;

[0026] Figure 6 It is one -sided structure schematic drawing of the utility model L type oil -proof sealing ring;

[0027] Figure 7 It is the structure schematic drawing of the other side of the utility model L type oil -proof sealing ring;

[0028] Figure 8 It is H type signal terminal structure schematic drawing of the utility model;

[0029] Figure 9 It is the wave type structure design schematic drawing of the sealing ring radial boss of the utility model;

[0030] The shown in the drawing:

[0031] 1, integral three-phase support, 1-1, support fixing hole, 1-2, circular high-voltage terminal, 1-3, insulation baffle, 1-4, screw support, 1-5, first low-voltage plug-in cavity, 1-6, second low-voltage plug-in cavity, 1-7, wiring terminal mounting surface, 1-8, O-shaped sealing ring mounting groove, 1-9, plug-in guide groove, 1-10, limiting hole, 1-11, L-shaped oil-proof sealing ring mounting groove, 1-12, reinforcing rib, 1-13, low-voltage plug-in locking hole, 1-14, semicircular high-voltage terminal, 2, O-shaped sealing ring, 3, L-shaped oil-proof sealing ring, 3-1, positioning pin, 3-2, limiting block, 3-3, sealing ring flat boss, 3-4, sealing ring radial boss, 4, H-shaped signal terminal, 4-1, signal terminal boss, 4-2, signal terminal positioning block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor shall belong to the protection scope of the utility model.

[0033] The utility model provides a kind of integrated sealing output switching device, including integrated three-phase support 1, low-voltage plug-in cavity, O-shaped sealing ring 2, L-shaped oil-proof sealing ring 3 and H-shaped signal terminal 4, and low-voltage plug-in cavity includes the first low-voltage plug-in cavity 1-5 and the second low-voltage plug-in cavity 1-6 respectively located the two sides of integrated three-phase support 1.

[0034] Integrated three-phase support 1 edge is provided with mounting support fixing hole 1-1, and screw support 1-4 is installed in mounting support fixing hole 1-1.Integrated three-phase support 1 is provided with three circular high-voltage terminals 1-2 on one side, and there are two insulation baffles 1-3 between adjacent two circular high-voltage terminals 1-2;The other side is provided with three semicircular high-voltage terminals, one circular high-voltage terminal 1-2 is communicated with one semicircular high-voltage terminal 1-14;Convenient high-voltage connection and low-voltage electrical connection on both sides.Integrated three-phase support 1 is provided with O-shaped sealing ring mounting groove 1-8 and L-shaped oil-proof sealing ring mounting groove 1-11.Integrated three-phase support 1 is provided with limiting hole 1-10, and some limiting holes 1-10 are provided with positioning hole.

[0035] The first low-voltage plug-in cavity 1-5 and the second low-voltage plug-in cavity 1-6 are respectively provided with a plug-in guide groove 1-9 and a low-voltage plug-in locking hole 1-13, and an outer side is provided with a reinforcing rib 1-12. When the low-voltage plug-in is installed, the plug-in guide groove 1-9 can prevent the plug-in from being inserted in the wrong direction, and when the plug-in is not inserted at the required angle, the plug-in is corrected to be inserted into the low-voltage plug-in cavity. The low-voltage plug-in locking hole 1-13 is used to fix the wire harness end plug-in. The wire harness end has a structure of a spring sheet or a lock catch, which is clamped in the locking hole, thereby enhancing the vibration resistance of the plug-in.

[0036] The L-shaped oil-proof sealing ring 3 is installed in the L-shaped oil-proof sealing ring installation groove 1-11. The L-shaped oil-proof sealing ring 3 comprises a sealing ring plane boss 3-3 and a sealing ring radial boss 3-4. The sealing ring plane boss 3-3 is attached to the integrated three-phase support 1. The edge of the sealing ring plane boss 3-3 is provided with a limiting block 3-2. Some of the limiting blocks 3-2 are provided with positioning pins 3-1. The limiting blocks 3-2 and the positioning pins 3-1 are symmetrically distributed. The limiting hole 1-10 is matched with the limiting block 3-2, and the positioning hole is matched with the positioning pin 3-1, which can prevent the L-shaped oil-proof sealing ring 3 from being installed incorrectly or deviating in position, and other installation failures. The sealing ring radial boss 3-4 is designed in a wave shape. Through this double-sealing function design, the sealing capacity of the equipment can be effectively improved. When the installation hole of the box body is matched and installed, various adverse problems caused by the installation failure of the sealing ring can be optimized. The L-shaped oil-proof sealing ring 3 can not only be sealed when installed in the plane, but also can strengthen the sealing when installed in the radial direction, so as to meet various environmental conditions of the motor, realize high-low voltage quick switching, have excellent sealing performance, and have the advantages of being compatible with waterproof and oil-proof environments.

[0037] The O-shaped sealing ring 2 is installed on the O-shaped sealing ring installation groove 1-8, and realizes radial sealing after being installed with the box body. The O-shaped sealing ring 2 and the L-shaped oil-proof sealing ring 3 are both made of fluorine rubber material.

[0038] The H-shaped signal terminal 4 is provided with a signal terminal positioning block 4-2, and the signal terminal positioning block 4-2 is provided with a signal terminal boss 4-1. When the device is installed: the H-shaped signal terminal 4 is fixed through the interference fit of the signal terminal boss 4-1 and the installation hole of the integrated three-phase support 1, so as to prevent the terminal from sliding; the H-shaped signal terminal 4 is connected with the first low-voltage plug-in cavity 1-5 and the second low-voltage plug-in cavity 1-6, and the position between them is glued and blocked. Through this design, the holding force of the H-shaped signal terminal 4 in the integrated three-phase support 1 can be increased, and the sealing between the H-shaped signal terminal 4 and the low-voltage plug-in cavity is more reliable. The first low-voltage plug-in cavity 1-5 and the second low-voltage plug-in cavity 1-6 of the integrated three-phase support 1 can be completely sealed in the middle, so as to prevent the high-temperature oil dirt or oil gas of the motor end from flowing into the electric control end, and cause the insulation failure of the PCB circuit of the electric control end.

[0039] The utility model discloses when installing, first, the L type oil -proof sealing ring 3 positioning pin 3-1 cooperation installation fixed in the L type oil -proof sealing ring installation groove 1-11, O type sealing ring 2 installs in O type sealing ring installation groove 1-8, after H type signal terminal 4 is fixed through with integral three -phase support 1 installation hole size interference fit, carry out the gluing plugging between H type signal terminal 4 and with the first low -voltage plug -in cavity 1-5 and the second low -voltage plug -in cavity 1-6 connection position.

[0040] Through the utility model discloses a kind of integrated sealing output switching device, high pressure connection and low voltage signal connection on both sides can be adjusted mounting position and screw hole requirement according to actual structure needs, low voltage plug-in can be adjusted design according to actual use signal pin number, satisfy the diversity of motor design requirement;Customized L type oil -proof sealing ring 3 of the present application is used, installation sealing ring is more efficient, can respond to various oil -resistant, high temperature resistant and other harsh conditions of motor.

[0041] The above, only for the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, can easily think of various equivalent modifications or replacement, these modifications or replacement should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of claim.

Claims

1. An integrated sealed output adapter, characterized in that, The device includes an integrated three-phase bracket (1), a low-voltage plug-in cavity, an O-ring seal (2), an L-shaped oil-proof seal (3), and multiple H-type signal terminals (4). The integrated three-phase bracket (1) is provided with an O-ring seal mounting groove (1-8), an L-shaped oil-proof seal mounting groove (1-11), and a high-voltage connection terminal. The O-ring seal (2) is installed in the O-ring seal mounting groove (1-8), and the low-voltage plug-in cavity is located inside the O-ring seal (2). The L-shaped oil-proof seal (3) is installed in the L-shaped oil-proof seal mounting groove (1-11). Multiple H-type signal terminals (4) are arrayed and fixed inside the low-voltage plug-in cavity.

2. The integrated sealed output adapter according to claim 1, characterized in that, The integrated three-phase bracket (1) has mounting bracket fixing holes (1-1) on its edge.

3. The integrated sealed output adapter according to claim 1, characterized in that, The low-voltage plug-in cavity includes a first low-voltage plug-in cavity (1-5) and a second low-voltage plug-in cavity (1-6) located on both sides of the integrated three-phase bracket (1).

4. The integrated sealed output adapter according to claim 1, characterized in that, The low-pressure plug-in cavity is provided with a plug-in guide groove (1-9); a reinforcing rib (1-12) is provided between the outer side of the low-pressure plug-in cavity and the integrated three-phase bracket (1); and a low-pressure plug-in locking hole (1-13) is provided on the low-pressure plug-in cavity.

5. The integrated sealed output adapter according to claim 1, characterized in that, The high-voltage connection terminal includes multiple circular high-voltage terminals (1-2) disposed on one side of the integrated three-phase bracket (1) and multiple semi-circular high-voltage terminals (1-14) disposed on the other side of the integrated three-phase bracket (1). One circular high-voltage terminal (1-2) is connected to one semi-circular high-voltage terminal (1-14). The flat side of the semi-circular high-voltage terminal (1-14) is the wiring terminal mounting surface (1-7).

6. The integrated sealed output adapter according to claim 5, characterized in that, An insulating baffle (1-3) is provided between two adjacent circular high-voltage terminals (1-2).

7. The integrated sealed output adapter according to claim 1, characterized in that, The H-type signal terminal (4) is provided with a signal terminal positioning block (4-2), and the signal terminal positioning block (4-2) is provided with a signal terminal boss (4-1); the signal terminal boss (4-1) is interference-fitted with the low-voltage plug-in cavity, and a fixing adhesive is provided between the H-type signal terminal (4) and the low-voltage plug-in cavity.

8. The integrated sealed output adapter according to claim 1, characterized in that, The L-shaped oil-proof sealing ring (3) includes a sealing ring planar boss (3-3) and a sealing ring radial boss (3-4), and the sealing ring planar boss (3-3) is attached to the integrated three-phase bracket (1).

9. The integrated sealed output adapter according to claim 8, characterized in that, The radial boss (3-4) of the sealing ring has a wave-shaped structure.

10. The integrated sealed output adapter according to claim 8, characterized in that, The sealing ring planar boss (3-3) has a limiting block (3-2) on its edge, and a positioning pin (3-1) is provided on part of the limiting block (3-2). The integrated three-phase bracket (1) has a limiting hole (1-10), and a positioning hole is provided on part of the limiting hole (1-10). The limiting hole (1-10) and the limiting block (3-2) cooperate, and the positioning hole and the positioning pin (3-1) cooperate.

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