Automobile part air tightness detection device

Abstract

The utility model discloses an automobile part air tightness detection device, and relates to the new energy automobile part detection field, the automobile part air tightness detection device comprises a support plate, a fixed hanger plate and a detection assembly, four corners above the support plate are fixedly connected with support vertical rods, and the top ends of the support vertical rods are fixedly connected with fixed parts; a gas conveying assembly is arranged on one side of the fixing piece, and the fixing hanging plates are welded to the two sides of the bottom of the fixing piece. According to the air tightness detection device for the automobile parts, through arrangement of the air transmission assembly, the limiting assembly and the detection assembly, the automobile parts are limited and clamped in the use process of detecting the new energy automobile parts by adopting the air tightness detection device, so that the automobile parts are prevented from being greatly deviated due to the influence of buoyancy in water; the accuracy and automatic control of the air tightness detection process are ensured, liquid is prevented from being shaken out when the automobile parts are immersed in water, the cleanliness of the detection process is ensured, and the air tightness detection device is convenient for workers to use.

Description

Technical Field

[0001] The utility model relates to the field of new energy automobile parts detection, in particular to an automobile parts air tightness detection device. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source. By using new on-board power devices and advanced technologies in integrated vehicle power control and drive, they have formed vehicles with new technologies and new structures. They are characterized by energy conservation and emission reduction, and improved energy utilization efficiency. They play an important role in promoting the transformation and upgrading of the automobile industry and promoting sustainable development. In the production and processing of new energy vehicles, it is necessary to test the components therein, including air tightness testing of automobile components. Workers usually use air tightness testing devices to assist in the operation.

[0003] However, the current air tightness detection devices still have some shortcomings. For example, an automobile parts air tightness detection device with application number 202020730647.0 has not yet fully considered the limiting structure of the air tightness detection device. In the process of using the air tightness detection device to detect new energy vehicle parts, if the air tightness detection device does not fully consider the limiting structure, the automobile parts may be greatly offset in the water due to the influence of buoyancy, thereby affecting the accuracy of the air tightness detection process and making it inconvenient for staff to use the air tightness detection device.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and shortcomings, and provides an automobile parts air tightness detection device. Utility Model Content

[0005] The utility model aims to provide an automobile parts air tightness detection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile parts air tightness detection device, comprising a support plate, a fixed hanging plate and a detection assembly, the upper four corners of the support plate are fixedly connected with support uprights, and the top of the support uprights is fixedly connected with a fixing piece, and an air transmission assembly is arranged on one side of the fixing piece, the fixed hanging plates are welded to the bottom two sides of the fixing piece, and a fixed plate is welded at the lower part between the fixed hanging plates, and a limiting assembly is arranged on one side of the fixing plate, and the limiting assembly comprises a rotating block, a rotating rod, a limiting ring, a rotating screw, a sliding block, a hollow rod, a telescopic clamp, a fixed rod and a compression spring, the detection assembly is arranged below the fixed plate, and the detection assembly comprises a water reservoir, a limiting square block, a limiting upright, a driving motor, a rotating screw, a rotating rod, a sprocket and a transmission chain.

[0007] Furthermore, the gas delivery assembly includes a pump, an air inlet pipe, a support, an air outlet pipe, a fixing ring and a connecting piece, and the pump is arranged above the fixing piece, and one side of the pump is fixedly connected to the air inlet pipe, and a support is arranged on the outside of the air inlet pipe, and the bottom end of the support is fixedly connected to the fixing piece.

[0008] Furthermore, the bottom of the pump is fixedly connected to an air outlet pipe, and a fixing ring is welded to the outer wall of the bottom end of the air outlet pipe, and the inner wall of the fixing ring is provided with an internal thread, and the fixing ring is rotatably connected to a connecting piece through the internal thread, and the outer wall of the connecting piece is provided with an external thread.

[0009] Furthermore, a rotating rod is fixedly connected to the center of the rotating block, and a limiting ring is fixedly connected to the outer wall of the middle section of the rotating rod, and the rotating rod is rotationally connected to the inner side of the fixed plate through the limiting ring, and both sides of the end of the rotating rod are meshed and rotatably connected with a rotating screw.

[0010] Furthermore, a sliding block is rotatably connected to the outer side of the rotating screw rod, and both sides of the sliding block are slidably connected to the fixed plate, and a hollow rod is fixedly connected to the top of the sliding block, and a telescopic clamp is limitably connected to the inner side of the hollow rod.

[0011] Furthermore, a fixing rod is welded inside the hollow rod, and the end of the fixing rod is connected through the telescopic clamp, and a compression spring is arranged outside the fixing rod, and the compression spring is arranged between the hollow rod and the telescopic clamp.

[0012] Furthermore, a limiting square block is welded on the side of the water tank, and a limiting vertical rod is clamped on the outer side of the limiting square block, and a driving motor is arranged above the limiting vertical rod, and the output shaft of the driving motor is fixedly connected to a rotating screw through a coupling.

[0013] Furthermore, the center of the limiting square block is rotatably connected to the rotating screw, and a rotating rod is welded to the center of the bottom end of the rotating screw, and the bottom end of the rotating rod passes through the support plate and is fixedly connected to a sprocket, and a transmission chain is arranged on the outside of the sprocket.

[0014] The utility model provides an automobile parts air tightness detection device, which has the following beneficial effects:

[0015] 1. The utility model is provided with a gas transmission component and a limit component. When the air tightness detection device is used to detect new energy automobile parts, the external thread arranged on the outer wall of the connecting piece is used to rotatably connect it with the automobile parts, and then the automobile parts are limitedly clamped by the telescopic clamping piece, so that the connection between the structures is tighter, and the automobile parts are prevented from being greatly deflected due to the influence of buoyancy in water, so that the structure is more stable and reliable, and the accuracy of the air tightness detection process is ensured. The structure is simple, and it is convenient for the staff to use the air tightness detection device.

[0016] 2. The utility model is provided with a detection component. When the air-tightness detection device is used to detect new energy vehicle parts, the water tank is raised upward so that the vehicle parts are gradually immersed in water, thereby performing air-tightness detection. Automatic control makes the lifting of the water tank more stable, avoiding shaking when the water tank rises and causing the liquid to be shaken out, ensuring the neatness of the detection process. The structure is simple and convenient for the staff to use the air-tightness detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance of a three-dimensional structure of an automobile parts air tightness detection device of the utility model;

[0018] Figure 2 This is a three-dimensional bottom-up structural schematic diagram of an automobile parts air tightness detection device of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the gas transmission component of the air tightness detection device for automobile parts of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of a limit assembly of an automobile parts air tightness detection device of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the disassembly of the three-dimensional structure of the detection component of the air tightness detection device for automobile parts.

[0022] In the figure: 1. support plate; 2. support pole; 3. fixing part; 4. gas transmission component; 401. pump; 402. air inlet pipe; 403. support part; 404. air outlet pipe; 405. fixing ring; 406. connecting part; 5. fixed hanging plate; 6. fixing plate; 7. limiting component; 701. rotating block; 702. rotating rod; 703. limiting ring; 704. rotating screw; 705. sliding block; 706. hollow rod; 707. telescopic clamp; 708. fixing rod; 709. compression spring; 8. detection component; 801. water reservoir; 802. limiting square block; 803. limiting pole; 804. driving motor; 805. rotating screw; 806. rotating rod; 807. sprocket; 808. transmission chain. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figure 1-Figure 4As shown, an automobile parts air tightness detection device includes a support plate 1, a fixed hanging plate 5 and a detection component 8, the upper four corners of the support plate 1 are fixedly connected with support poles 2, and the top of the support pole 2 is fixedly connected with a fixing member 3, and a gas delivery component 4 is arranged on one side of the fixing member 3, and the gas delivery component 4 includes a pump 401, an air inlet pipe 402, a support member 403, an air outlet pipe 404, a fixing ring 405 and a connecting member 406, and the pump 401 is arranged above the fixing member 3, and one side of the pump 401 is fixedly connected with the air inlet pipe 402, and the outer side of the air inlet pipe 402 is provided with a support member 403, and the bottom of the support member 403 is provided with a fixed connection. The end is fixedly connected to the fixing member 3, the bottom of the pump 401 is fixedly connected with an air outlet pipe 404, and a fixing ring 405 is welded on the outer wall of the bottom end of the air outlet pipe 404, and the inner wall of the fixing ring 405 is provided with an internal thread, and the fixing ring 405 is rotatably connected with a connecting member 406 through the internal thread, and the outer wall of the connecting member 406 is provided with an external thread, which is convenient for air input into the automotive parts and for subsequent air tightness detection. The fixed hanging plates 5 are welded to both sides of the bottom of the fixing member 3, and a fixed plate 6 is welded at the lower part between the fixed hanging plates 5, and a limiting component 7 is provided on one side of the fixing plate 6, and the limiting component 7 includes a rotating block 701, a rotating rod 702, a limiting ring 703, a rotating screw 704, a sliding block 705, a hollow rod 706, a telescopic clamp 707, a fixed rod 708 and a compression spring 709, the center of the rotating block 701 is fixedly connected with the rotating rod 702, and the outer wall of the middle section of the rotating rod 702 is fixedly connected with the limiting ring 703, and the rotating rod 702 is rotationally connected to the inner side of the fixed plate 6 through the limiting ring 703, and the end of the rotating rod 702 is meshed and rotatably connected with the rotating screw 704 on both sides, and the outer side of the rotating screw 704 is rotatably connected with the sliding block 705, and the two sides of the sliding block 705 are engaged and slidably connected with the fixed plate 6, and A hollow rod 706 is fixedly connected to the top of the sliding block 705, and a telescopic clamp 707 is connected to the inner side of the hollow rod 706 in a limited position. A fixed rod 708 is welded to the inner side of the hollow rod 706, and the end of the fixed rod 708 is connected through the telescopic clamp 707, and a compression spring 709 is arranged on the outer side of the fixed rod 708, and the compression spring 709 is arranged between the hollow rod 706 and the telescopic clamp 707, so as to limit and clamp the automobile parts, avoid large displacement of the automobile parts due to buoyancy in water, ensure the accuracy of the air tightness detection process, and facilitate the staff to use the air tightness detection device.

[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, the detection assembly 8 is arranged below the fixed plate 6, and the detection assembly 8 includes a water reservoir 801, a limiting square block 802, a limiting vertical rod 803, a driving motor 804, a rotating screw 805, a rotating rod 806, a sprocket 807 and a transmission chain 808. The limiting square block 802 is welded on the side of the water reservoir 801, and the limiting vertical rod 803 is engaged with the outer side of the limiting square block 802, and a driving motor 804 is arranged above the limiting vertical rod 803, and the output of the driving motor 804 The shaft is fixedly connected to a rotating screw 805 through a coupling, the center of the limiting square block 802 is rotatably connected to the rotating screw 805, and a rotating rod 806 is welded to the center of the bottom end of the rotating screw 805, and the bottom end of the rotating rod 806 passes through the support plate 1 and is fixedly connected to a sprocket 807, and a transmission chain 808 is arranged on the outside of the sprocket 807, and automatic control is used to prevent liquid from being shaken out when automobile parts are immersed in water, thereby ensuring the cleanliness of the detection process and facilitating the use of the air tightness detection device by the staff.

[0026] In summary, the air tightness detection device for automobile parts is based on Figure 1-Figure 5 According to the structure shown in the figure, in the process of using the air tightness detection device to detect new energy automobile parts, first, the external thread provided on the outer wall of the connecting piece 406 is used to rotatably connect it with the automobile part. Then, the staff places the lower part of the automobile part between the telescopic clamping members 707 in the limiting assembly 7. The telescopic clamping members 707 limit the automobile part under the elastic force of the compression spring 709. In addition, the staff can rotate the rotating block 701 in the limiting assembly 7, so that the rotating rod 702 fixedly connected to the center of the rotating block 701 rotates accordingly, so that the rotating screw rod 704 meshed and rotatably connected on both sides of the end of the rotating rod 702 also rotates accordingly, and the rotating screw rod 704 is rotated accordingly. The sliding block 705 rotatably connected to the outer side of the rotating screw rod 704 engages and slides on the inner side of the fixed plate 6. As the sliding block 705 moves, the distance between the hollow rod 706 and the automobile parts is shortened, thereby increasing the elastic force of the compression spring 709, making the limit more stable. Finally, the staff uses the driving motor 804 to drive the rotating screw rod 805 to rotate, so that the limiting square block 802 rotatably connected to the outer side of the rotating screw rod 805 moves upward, so that the limited automobile parts are gradually immersed in the water reservoir 801. If bubbles are generated, the air tightness of the automobile parts is poor. If no bubbles are generated, the air tightness of the automobile parts is good, thereby completing the air tightness detection of the automobile parts.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An automobile parts air tightness detection device, comprising a support plate (1), a fixed hanging plate (5) and a detection component (8), characterized in that: The four corners above the support plate (1) are fixedly connected to support uprights (2), and the top of the support uprights (2) is fixedly connected to a fixing piece (3), and a gas transmission assembly (4) is arranged on one side of the fixing piece (3), the fixed hanging plate (5) is welded to the bottom sides of the fixing piece (3), and a fixed plate (6) is welded at the lower part between the fixed hanging plates (5), and a limiting assembly (7) is arranged on one side of the fixing plate (6), and the limiting assembly (7) includes a rotating block (701), a rotating rod (702), a limiting ring (703), a rotating screw rod (704), a sliding block (705), a hollow rod (706), a telescopic clamping piece (707), a fixed rod (708) and a compression spring (70 9), the detection assembly (8) is arranged below the fixed plate (6), and the detection assembly (8) comprises a water reservoir (801), a limiting square block (802), a limiting vertical rod (803), a driving motor (804), a rotating screw (805), a rotating rod (806), a sprocket (807) and a transmission chain (808), the center of the rotating block (701) is fixedly connected to the rotating rod (702), and the outer wall of the middle section of the rotating rod (702) is fixedly connected to the limiting ring (703), and the rotating rod (702) is connected to the inner side of the fixed plate (6) through the limiting ring (703) for limiting rotation, and both sides of the end of the rotating rod (702) are meshed and rotatably connected to the rotating screw ( 704), the outer side of the rotating screw rod (704) is rotatably connected with a sliding block (705), and the two sides of the sliding block (705) are slidably connected with the fixed plate (6), and the top of the sliding block (705) is fixedly connected with a hollow rod (706), and the inner side of the hollow rod (706) is limitedly connected with a telescopic clamping piece (707), the inner side of the hollow rod (706) is welded with a fixed rod (708), and the end of the fixed rod (708) is connected with the telescopic clamping piece (707), and the outer side of the fixed rod (708) is provided with a compression spring (709), and the compression spring (709) is provided between the hollow rod (706) and the telescopic clamping piece (707), A limiting square block (802) is welded to the side of the water storage tank (801), and a limiting vertical rod (803) is arranged on the outer side of the limiting square block (802), and a driving motor (804) is arranged above the limiting vertical rod (803), and the output shaft of the driving motor (804) is fixedly connected to a rotating screw (805) through a coupling, the center of the limiting square block (802) is connected to the rotating screw (805) through rotation, and a rotating rod (806) is welded to the center of the bottom end of the rotating screw (805), and the bottom end of the rotating rod (806) passes through the support plate (1) and is fixedly connected to a sprocket (807), and a transmission chain (808) is arranged on the outer side of the sprocket (807).

2. The air tightness detection device for automobile parts according to claim 1, characterized in that: The gas delivery assembly (4) comprises a pump (401), an air inlet pipe (402), a support member (403), an air outlet pipe (404), a fixing ring (405) and a connecting member (406), wherein the pump (401) is arranged above the fixing member (3), and one side of the pump (401) is fixedly connected to the air inlet pipe (402), and the outer side of the air inlet pipe (402) is provided with a support member (403), and the bottom end of the support member (403) is fixedly connected to the fixing member (3).

3. The air tightness detection device for automobile parts according to claim 2, characterized in that: The bottom of the pump (401) is fixedly connected to an air outlet pipe (404), and a fixing ring (405) is welded to the outer wall of the bottom end of the air outlet pipe (404), and the inner wall of the fixing ring (405) is provided with an internal thread, and the fixing ring (405) is rotatably connected to a connecting piece (406) via the internal thread, and the outer wall of the connecting piece (406) is provided with an external thread.

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