Air tightness detection device for cooling pipeline of electric vehicle

Abstract

The utility model provides an electric vehicle cooling pipeline air tightness detection device, which comprises a base and a plurality of detection units arranged on the base, each detection unit comprises a support assembly, a first cylinder and a second cylinder, the support assembly is used for supporting and positioning the cooling pipeline, and the first cylinder is used for supporting and positioning the cooling pipeline. The first air cylinder and the second air cylinder are oppositely distributed in the left-right direction, sealing gaskets used for sealing the two ends of a cooling pipeline are arranged at piston rods of the first air cylinder and the second air cylinder, and bosses are arranged in the centers of the sealing gaskets. The cooling pipeline support has the advantages that the structure is simple and reliable, the cooling pipeline can be accurately supported and positioned, and the sealing effect is improved through the sealing gasket and the boss.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air tightness detection, especially to an air tightness detection device for cooling pipeline of electric vehicle. BACKGROUND

[0002] The electric vehicle generates a large amount of heat during the working process of the motor and the controller. If the heat cannot be effectively dissipated in time, the temperature of the motor and the controller will continue to rise, affecting the performance and safety of the electric vehicle. The cooling system of the vehicle cools down, and the cooling system mainly includes a radiator, an expansion tank, a cooling water pump, a cooling water pipe, an air conditioner controller, an ATS switch, a fan controller and a cooling fan. The expansion tank is connected with the radiator through the cooling water pipe, and the radiator, the cooling water pump, the three-in-one controller, the motor controller and the motor are sequentially connected through the cooling water pipe and form a closed loop.

[0003] The cooling pipeline needs to be detected for air tightness. With the development of society, there are more and more styles of automobile pipelines. During the air tightness detection of the automobile pipeline, a special gauge needs to be designed according to the shape of the cooling system pipeline of the electric commercial vehicle to realize positioning detection of the cooling system pipeline of the electric commercial vehicle and ensure its stability. The port also needs to be sealed, and the air tightness of the automobile pipeline needs to be tested. The existing air tightness testing equipment is relatively complex, and the sealing effect is not good, which affects the air tightness detection. SUMMARY

[0004] Therefore, the utility model aims at overcoming the defects in the prior art and providing an air tightness detection device for cooling pipeline of electric vehicle.

[0005] The utility model provides an air tightness detection device for cooling pipeline of electric vehicle, including base 1 and set up in base 1 a plurality of detection units, the detection unit includes support assembly, first air cylinder 2 and second air cylinder 3, the support assembly is used for supporting and positioning cooling pipeline, first air cylinder 2, second air cylinder 3 is left and right opposite distribution, the piston rod of first air cylinder 2, second air cylinder 3 is provided with the sealing pad 9 for the sealing of cooling pipeline both ends, the centre of sealing pad 8 is provided with boss.

[0006] Further, the piston rod of the first air cylinder 2 and the second air cylinder 3 is provided with a pressure column 8, and the sealing pad 8 is arranged in the middle of the pressure column 8.

[0007] Further, the edge of the boss is provided with a chamfer.

[0008] Further, the support assembly comprises a first support block 4, a second support block 5, a third support block 6 and a fourth support block 7, and first straight pipe grooves 4.1, arc grooves 5.1, inclined pipe grooves 6.1 and second straight pipe grooves 7.1 are formed in the first support block 4, the second support block 5, the third support block 6 and the fourth support block 7, respectively.

[0009] Further, the first support block 4, the second support block 5, the third support block 6 and the fourth support block 7 are in V-shaped distribution.

[0010] Further, the first straight pipe grooves 4.1 and the second straight pipe grooves 7.1 are respectively provided with first U-shaped avoiding grooves 4.2 and second U-shaped avoiding grooves 7.2.

[0011] The utility model discloses the advantages are: simple structure is reliable, can carry out accurate support and positioning to cooling pipeline, and improve the sealing effect through sealing washer, boss, realize to multiple cooling pipeline simultaneously carries out detection, improve detection efficiency significantly, be applicable to the batch production cooling pipeline sealing detection of production, the support of pressure column can enhance to sealing washer, make sealing washer when contact with cooling pipeline can better fit, improve the sealing effect, on the other hand, the pressure column can play a certain protection function to sealing washer, prevent sealing from damaging in the process of frequent use because of uneven stress, the chamfer setting can guide boss to enter the inside of cooling pipeline, cooling pipeline fits in first straight pipe groove, arc groove, inclined pipe groove, second straight pipe groove, thereby supports and locates cooling pipeline, the support block of V-shaped distribution can reduce the occupied area of base, thereby save the cost, and the avoiding groove setting is used for avoiding the annular protrusion of cooling pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the perspective view of the utility model;

[0013] Figure 2 It is the top view of the utility model;

[0014] Figure 3 It is the structure schematic diagram when sealing good cooling pipeline of the utility model;

[0015] Figure 4 It is Figure 1 The enlarged view of A of the utility model. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below in combination with the drawings.

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following combines the drawing and example, and the utility model is further described in detail.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0018] Referring to Figures 1 to 4 The utility model provides a kind of airtight detection device of electric vehicle cooling pipeline, it includes base 1 and be set to several detection units on base 1, can realize to multiple cooling pipeline simultaneously detection, significantly improve detection efficiency, it is applicable to the sealing detection of batch production cooling pipeline, detection unit includes support assembly, first cylinder 2 and second cylinder 3, support assembly is used to support and position cooling pipeline, support assembly can accurately support and position cooling pipeline, ensure that cooling pipeline is in stable and correct position during detection process, avoid inaccuracy caused by position deviation to detection result, first cylinder 2, second cylinder 3 is left and right relative distribution, the piston rod of first cylinder 2, second cylinder 3 is provided with the sealing pad 9 for sealing the both ends of cooling pipeline, the center of sealing pad 8 is provided with boss, sealing pad, boss are integral and are rubber material, boss can be extruded into the inside of cooling pipeline, to improve sealing effect, the piston rod of first cylinder 2, second cylinder 3 is provided with pressure column 8, sealing pad 8 is set to the middle of pressure column 8, sealing pad can conveniently seal the both ends of cooling pipeline, pressure column can enhance the support to sealing pad, so that sealing pad can better fit when being contacted with cooling pipeline, improve sealing effect;On the other hand, pressure column can play a certain protective effect to sealing pad, prevent damage due to uneven stress in frequent use process.

[0019] The edge of the boss is provided with a chamfer. The chamfer can guide the boss into the inside of the cooling pipeline.

[0020] Referring to Figure 1 、 Figure 3 The support assembly includes a first support block 4, a second support block 5, a third support block 6, and a fourth support block 7. The first support block 4, the second support block 5, the third support block 6, and the fourth support block 7 are respectively provided with a first straight pipe groove 4.1, an arc-shaped groove 5.1, an inclined pipe groove 6.1, and a second straight pipe groove 7.1. The cooling pipeline is fitted in the first straight pipe groove, the arc-shaped groove, the inclined pipe groove, and the second straight pipe groove, thereby supporting and positioning the cooling pipeline.

[0021] The first support block 4, the second support block 5, the third support block 6, and the fourth support block 7 are in V-shaped distribution. The V-shaped distribution of the support blocks can reduce the occupied area of the base, thereby saving costs.

[0022] The first straight pipe groove 4.1 and the second straight pipe groove 7.1 are respectively provided with a first avoidance groove 4.2 and a second avoidance groove 7.2 in U-shaped. The both ends of the cooling pipeline are provided with annular protrusions, and the avoidance grooves are arranged to avoid the annular protrusions of the cooling pipeline.

[0023] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An airtightness testing device for cooling pipes in electric vehicles, characterized in that: The application relates to a cooling pipeline detection device, which comprises a base and a plurality of detection units arranged on the base, wherein the detection unit comprises a support assembly, a first air cylinder and a second air cylinder; the support assembly is used for supporting and positioning a cooling pipeline; the first air cylinder and the second air cylinder are oppositely arranged; a sealing pad for sealing two ends of the cooling pipeline is arranged at a piston rod of the first air cylinder and the second air cylinder; and a boss is arranged at the center of the sealing pad.

2. The air tightness testing device for cooling line of electric vehicle according to claim 1, characterized in that: A pressing column is arranged at the piston rod of the first air cylinder and the second air cylinder, and the sealing pad is arranged in the middle of the pressing column.

3. The air tightness testing device for cooling line of electric vehicle according to claim 1, characterized in that: The edge of the boss is provided with a chamfer.

4. The air tightness testing device for cooling line of electric vehicle according to claim 1, characterized in that: The support assembly comprises a first support block, a second support block, a third support block and a fourth support block; a first straight pipe groove, an arc-shaped groove, an inclined pipe groove and a second straight pipe groove are respectively arranged in the first support block, the second support block, the third support block and the fourth support block.

5. The air tightness testing device for cooling line of electric vehicle according to claim 4, characterized in that: The first support block, the second support block, the third support block and the fourth support block are V-shapedly arranged.

6. The air tightness testing device for cooling line of electric vehicle according to claim 4, characterized in that: First and second U-shaped avoiding grooves are respectively arranged in the first straight pipe groove and the second straight pipe groove.

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