Air tightness detection device for vehicle control unit
By designing an airtightness testing device for vehicle control units, and utilizing components such as support housings and transmission assemblies, the problem of airtightness testing of vehicle control units before installation was solved, achieving a stable and fast testing process.
Patent Information
- Application Number
- CN202520512360.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Vehicle control units need to undergo airtightness testing before installation and use, but existing technologies lack effective testing devices.
An airtightness testing device is designed, comprising a support box, a bracket, a pressure plate, a pressure rod, a transmission assembly, a fixing assembly, an airtightness testing assembly, and a limiting block. The airtightness testing assembly is used to test the vehicle control unit, and the pressure plate and limiting block are used for fixation. The transmission assembly controls the movement of the pressure plate to achieve stable testing.
It improves the stability and operability of the detection process, simplifies the operation procedure, and increases detection efficiency.
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Figure CN223910404U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of airtightness testing technology, and in particular to an airtightness testing device for a vehicle control unit. Background Technology
[0002] The Vehicle Control Unit (VCU) is a crucial component of modern automobiles, especially in new energy vehicles. Often referred to as the car's brain, it monitors and controls various vehicle parameters to ensure safe, stable, and efficient operation.
[0003] As disclosed in application number CN202222669982.6, a circuit board assembly for a vehicle control unit includes: a circuit board extending from a proximal side to a distal side, wherein two first through holes are arranged at the proximal side and two second through holes are arranged at the distal side; a connector including an electrical interface and a body, wherein the body includes two pins protruding from the body; wherein the connector is mounted at the proximal end of the circuit board, the pins are sized to be smaller than the size of the first through holes, such that the pins extend through the first through holes; and wherein the second through holes are configured to be oriented for a bolt to pass through them.
[0004] However, the vehicle control unit needs to be tested for airtightness before installation and use to meet the usage requirements. Utility Model Content
[0005] To address the issue of needing to test the airtightness of vehicle control units before installation and use, this invention provides an airtightness testing device for vehicle control units.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] An airtightness testing device for a vehicle control unit includes: a support housing, a bracket, a pressure plate, a pressure rod, a transmission assembly, a fixing assembly, an airtightness testing assembly, and a limiting block. The bracket is fixedly mounted on the support housing. The pressure rod is fixedly connected to the pressure plate via the transmission assembly. The transmission assembly is fixedly mounted on the fixing assembly. The fixing assembly is fixedly mounted on one side of the bracket. The airtightness testing assembly is disposed on the pressure plate. The limiting block is fixedly mounted on the lower side of the pressure plate. The airtightness testing assembly is used to perform airtightness testing on the vehicle control unit, and the limiting block is used to limit the movement of the vehicle control unit.
[0008] Preferably, the pressure rod includes: a pressure rod body, a first rotating hole, a second rotating hole, and a handle. The first rotating hole and the second rotating hole are sequentially formed at one end of the pressure rod body, and the handle is disposed at the other end of the pressure rod body. The first rotating hole is used in conjunction with a fixing component, and the second rotating hole is used in conjunction with a transmission component.
[0009] Preferably, the transmission assembly comprises: a let-go frame, the upper end of the let-go frame is hingedly connected with the second rotating hole, the lower end of the let-go frame is hingedly connected with the upper end of the push rod, the lower end of the push rod is fixedly connected with the pressing plate, and the push rod is slidably connected with the fixed assembly.
[0010] Preferably, the fixed assembly comprises: a fixed plate body, a vertical rod, a connecting rod and a guide sleeve, the fixed plate body is fixedly connected with the support, the vertical rod is fixedly installed on the upper side of the fixed plate body, the lower side of the fixed plate body is fixedly connected with the guide sleeve through the connecting rod, the upper end of the vertical rod is hingedly connected with the first rotating hole, and the guide sleeve is slidably connected with the push rod.
[0011] Preferably, the support comprises: a support leg, a side plate and a support bottom plate, the side plate is fixedly connected with the support box body through the support leg, the support bottom plate is fixedly installed on the lower side of the side plate, and the support bottom plate is slidably connected with the pressing plate through the guide assembly.
[0012] Preferably, the guide assembly comprises: a guide rod and a guide sleeve, the guide sleeve is fixedly connected with the pressing plate, the lower end of the guide rod penetrates through the guide sleeve and is slidably connected with the guide sleeve, and the upper end of the guide rod is fixedly connected with the support bottom plate.
[0013] Preferably, the air tightness detection assembly comprises: an air pipe, a limiting sleeve and a fixing screw, the lower end of the air pipe is connected with the air nozzle of the vehicle control unit through the pressing plate, the upper end of the air pipe is connected with an external air tightness detector, the limiting sleeve is fixedly installed on the pressing plate, the air pipe penetrates through the limiting sleeve and is fastened through the fixing screw.
[0014] The utility model discloses the air tightness detection assembly can carry out air tightness detection to the vehicle control unit, is convenient and fast, and the pressing plate and the limiting block are arranged, so that the vehicle control unit is convenient to install and fix, the detection stability is improved, the pressing rod and the transmission assembly are arranged to control the movement of the pressing plate, the operation is convenient, the control property is improved, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the explanation thereof are used to explain the utility model and do not constitute undue limitation on the utility model.
[0016] Figure 1 It is the structure schematic view of the utility model;
[0017] Figure 2 It is the front view of the utility model;
[0018] Figure 3 It is the structure schematic view of the pressing rod of the utility model;
[0019] Figure 4is a structural schematic view of a transmission assembly of the utility model;
[0020] Figure 5 is a structural schematic view of a fixing assembly of the utility model;
[0021] Figure 6 is a structural schematic view of a support of the utility model;
[0022] Figure 7 is a structural schematic view of a guide assembly of the utility model;
[0023] Figure 8 is a structural schematic view of a gas tightness detection assembly of the utility model;
[0024] Mark explanation:
[0025] 1, support box;2, support;3, pressing plate;4, pressing rod;5, transmission assembly;6, fixing assembly;7, gas tightness detection assembly;8, limiting block;9, guide assembly;41, pressing rod body;42, first rotating hole;43, second rotating hole;44, handle part;51, let empty frame;52, push rod;61, fixed plate body;62, vertical rod;63, connecting rod;64, guide sleeve;21, support leg;22, side plate;23, support base plate;91, guide rod;92, guide sleeve;71, air pipe;72, limiting sleeve;73, fixed screw. Specific implementation
[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0027] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0028] In the description of the utility model, it is to be explained that, unless there are definite provisions and limitations, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected, it can be mechanical connection, or it can be electrical connection, it can be directly connected, or it can be indirectly connected through intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0029] Embodiment one, in combination Figure 1 And Figure 2 It is explained that:
[0030] A kind of air tightness detection device for vehicle control unit, including: support box 1, support 2, pressing plate 3, pressing rod 4, transmission assembly 5, fixed assembly 6, air tightness detection component 7 and limit block 8, the support 2 is fixedly installed on support box 1, pressing rod 4 is fixedly connected with pressing plate 3 by transmission assembly 5, transmission assembly 5 is fixedly installed on fixed assembly 6, fixed assembly 6 is fixedly installed on one side of support 2, air tightness detection component 7 is set on pressing plate 3, limit block 8 is fixedly installed on the lower side of pressing plate 3, air tightness detection component 7 is used to carry out air tightness detection for vehicle control unit, limit block 8 is used to limit vehicle control unit.
[0031] By setting air tightness detection component 7, the air tightness of vehicle control unit can be detected, which is convenient and fast, by setting pressing plate 3 and limit block 8, the installation and fixation of vehicle control unit are facilitated, the detection stability is improved, by setting pressing rod 4 and transmission assembly 5 to control the movement of pressing plate, the operation is facilitated, the control property is improved, and the detection efficiency is further improved.
[0032] Embodiment two, on the basis of embodiment one, in combination Figure 3 It is explained that:
[0033] The pressing rod 4 includes: a pressing rod body 41, a first rotating hole 42, a second rotating hole 43 and a handle portion 44, the first rotating hole 42 and the second rotating hole 43 are sequentially arranged at one end of the pressing rod body 41, and the handle portion 44 is arranged at the other end of the pressing rod body 41, the first rotating hole 42 is used in cooperation with the fixed assembly 6, and the second rotating hole 43 is used in cooperation with the transmission assembly 5.
[0034] In this way, the pressing rod body 41 is rotatably connected with the fixed assembly 6 through the first rotating hole 42, and is connected with the transmission assembly 5 through the second rotating hole 43, and the horizontal height of the pressing plate 3 can be adjusted by lifting or pressing the handle portion 44.
[0035] Embodiment three, on the basis of embodiment two, in combination Figure 4 It is explained that:
[0036] The transmission assembly 5 includes: a free frame 51 and a push rod 52. The upper end of the free frame 51 is hinged to the second rotating hole 43, the lower end of the free frame 51 is hinged to the upper end of the push rod 52, the lower end of the push rod 52 is fixedly connected to the pressure plate 3, and the push rod 52 is slidably connected to the fixing assembly 6.
[0037] This design prevents interference between the empty frame 51 and the fixed component 6 when the push rod 52 moves upward. The push rod 52 is used to drive the pressure plate to move upward or downward.
[0038] Example 4, based on Example 3, combined with Figure 5 Explanation:
[0039] The fixing assembly 6 includes: a fixing plate body 61, a vertical rod 62, a connecting rod 63, and a guide sleeve 64. The fixing plate body 61 is fixedly connected to the bracket 2. The vertical rod 62 is fixedly installed on the upper side of the fixing plate body 61. The lower side of the fixing plate body 61 is fixedly connected to the guide sleeve 64 through the connecting rod 63. The upper end of the vertical rod 62 is hinged to the first rotating hole 42. The guide sleeve 64 is slidably connected to the push rod 52.
[0040] With this configuration, the fixed plate body 61 is fixedly connected to the bracket 2 by screws, thereby improving stability and facilitating disassembly and assembly. The guide sleeve 64 can ensure the stability of the push rod 52 movement.
[0041] Example 5, based on Example 4, combined with Figure 6 Explanation:
[0042] The bracket 2 includes: a support leg 21, a side plate 22 and a support base plate 23. The side plate 22 is fixedly connected to the support box 1 through the support leg 21. The support base plate 23 is fixedly installed on the lower side of the side plate 22. The support base plate 23 and the pressure plate 3 are slidably connected through the guide assembly 9.
[0043] This configuration, where the side plate 22 is fixedly connected to the support box 1 via the support leg 21, enhances the stability of the entire support. The support base plate 23 is fixed to the underside of the side plate 22, providing a sturdy bottom support surface for the support, which can evenly distribute the weight of the object above, reduce local pressure, and improve the load-bearing capacity of the support.
[0044] Example 6, based on Example 5, combined with Figure 7 Explanation:
[0045] The guide assembly 9 includes a guide rod 91 and a guide sleeve 92. The guide sleeve 92 is fixedly connected to the pressure plate 3. The lower end of the guide rod 91 passes through the guide sleeve 92 and is slidably connected to the guide sleeve 92. The upper end of the guide rod 91 is fixedly connected to the support base plate 23.
[0046] In this way, the combination of the guide rod 91 and the guide sleeve 92 can provide precise linear guidance, ensuring that the support bottom plate 23 does not deviate from the predetermined track when moving up and down, maintaining the stability and accuracy of the movement.
[0047] In embodiment seven, on the basis of embodiment six, the combination of Figure 8 The utility model discloses a support box body for vehicle control unit, which comprises a support box body 1, a support bottom plate 23, a transmission assembly 5, a pressing plate 3, a handle part 44 and a limiting block 8.
[0048] The air tightness detection assembly 7 comprises an air pipe 71, a limiting sleeve 72 and a fixing screw 73, the lower end of the air pipe 71 is connected with the air nozzle of the vehicle control unit through the pressing plate 3, the upper end of the air pipe 71 is connected with an external air tightness detector, the limiting sleeve 72 is fixedly installed on the pressing plate 3, the air pipe 71 passes through the limiting sleeve 72 and is fastened through the fixing screw 73. The air tightness detector uses a WM533 waterproof air tightness detector.
[0049] In this way, the upper end of the air pipe 71 is connected with the external air tightness detector, so that the air tightness detection can be conveniently carried out without complex operation. The limiting sleeve 72 is fixedly installed on the pressing plate 3, so that the air pipe 71 can be ensured to be in the correct position, and errors caused by position deviation during the detection process can be avoided. The combination of the limiting sleeve 72 and the fixing screw 73 can effectively prevent the air pipe 71 from accidentally falling off during the detection process, and the continuity and safety of the detection can be ensured.
[0050] The utility model discloses a support box body for vehicle control unit, which comprises a support box body 1, a support bottom plate 23, a transmission assembly 5, a pressing plate 3, a handle part 44 and a limiting block 8.
[0051] For those skilled in the art, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0052] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application, and any slight modification, equivalent replacement and improvement made according to the technical essence of the present application to the above embodiments shall be included in the protection scope of the technical scheme of the present application.
Claims
1. An air tightness detection device for a vehicle control unit, characterized by, Include: Support box (1), support (2), pressing plate (3), pressing rod (4), transmission assembly (5), fixed assembly (6), air tightness detection assembly (7) and limit block (8), the support (2) is fixedly installed on the support box (1), the pressing rod (4) is fixedly connected with the pressing plate (3) through the transmission assembly (5), the transmission assembly (5) is fixedly installed on the fixed assembly (6), the fixed assembly (6) is fixedly installed on one side of the support (2), the air tightness detection assembly (7) is arranged on the pressing plate (3), the limit block (8) is fixedly installed on the lower side of the pressing plate (3), the air tightness detection assembly (7) is used for carrying out air tightness detection to the vehicle control unit, and the limit block (8) is used for limiting the vehicle control unit.
2. The air tightness detection device for a vehicle control unit according to claim 1, characterized by The pressing rod (4) includes: a pressing rod body (41), a first rotating hole (42), a second rotating hole (43) and a handle part (44), the first rotating hole (42) and the second rotating hole (43) are sequentially arranged on one end of the pressing rod body (41), the handle part (44) is arranged on the other end of the pressing rod body (41), the first rotating hole (42) is used in cooperation with the fixed assembly (6), and the second rotating hole (43) is used in cooperation with the transmission assembly (5).
3. The air tightness detection device for a vehicle control unit according to claim 1, characterized by The transmission assembly (5) includes: a let empty frame (51) and a push rod (52), the let empty frame (51) is hingedly connected with the second rotating hole (43) at the upper end, the let empty frame (51) is hingedly connected with the push rod (52) at the lower end, the push rod (52) is fixedly connected with the pressing plate (3) at the lower end, and the push rod (52) is slidably connected with the fixed assembly (6).
4. The air tightness detection device for a vehicle control unit according to claim 1, characterized by The fixed assembly (6) includes: a fixed plate body (61), a vertical rod (62), a connecting rod (63) and a guide sleeve (64), the fixed plate body (61) is fixedly connected with the support (2), the vertical rod (62) is fixedly installed on the upper side of the fixed plate body (61), the lower side of the fixed plate body (61) is fixedly connected with the guide sleeve (64) through the connecting rod (63), the upper end of the vertical rod (62) is hingedly connected with the first rotating hole (42), and the guide sleeve (64) is slidably connected with the push rod (52).
5. The air tightness detection device for a vehicle control unit according to claim 4, characterized by The support (2) includes: a support leg (21), a side plate (22) and a support bottom plate (23), the side plate (22) is fixedly connected with the support box (1) through the support leg (21), the support bottom plate (23) is fixedly installed on the lower side of the side plate (22), and the support bottom plate (23) is slidably connected with the pressing plate (3) through a guide assembly (9).
6. The air tightness detection device for a vehicle control unit according to claim 5, characterized by The guide assembly (9) includes: a guide rod (91) and a guide sleeve (92), the guide sleeve (92) is fixedly connected with the pressing plate (3), the lower end of the guide rod (91) penetrates through the guide sleeve (92) and is slidably connected with the guide sleeve (92), and the upper end of the guide rod (91) is fixedly connected with the support bottom plate (23).
7. The air tightness detection device for a vehicle control unit according to claim 1, characterized by The air tightness detection assembly (7) comprises an air pipe (71), a limiting sleeve (72) and a fixing screw (73), the lower end of the air pipe (71) is connected with the air nozzle of the vehicle control unit through the pressing plate (3), the upper end of the air pipe (71) is connected with an external air tightness detector, the limiting sleeve (72) is fixedly installed on the pressing plate (3), the air pipe (71) passes through the limiting sleeve (72) and is fastened through the fixing screw (73).
Citation Information
Patent Citations
Circuit board assembly for vehicle control unit and vehicle control unit
CN219068453U