Error-proofing detection device
By designing an error-proofing detection device, and utilizing a detector with an eccentrically set base plate and cylindrical pin, the problem of incorrect installation of the rubber sleeve and steel sleeve was solved, achieving accurate error-proofing detection and ensuring product quality.
Patent Information
- Application Number
- CN202520196914.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-08
AI Technical Summary
In existing technologies, the installation of rubber sleeves and steel sleeves is prone to errors, leading to substandard product quality upon shipment.
An error-proofing detection device was designed, including a base plate, a cylindrical pin, and a detector. The detector is eccentrically positioned on the cylindrical pin, with the detection end of the detector facing the side of the cylindrical pin away from the base plate. The assembly state of the rubber sleeve and the steel sleeve is determined by the positional relationship between the detector and the steel sleeve, thereby achieving error-proofing detection.
This effectively determines the correct installation status of the rubber sleeve and steel sleeve, ensuring product shipment quality and improving the accuracy and stability of the inspection.
Smart Images

Figure CN223954887U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of error-proof detection, and particularly relates to an error-proof detection device. BACKGROUND
[0002] In the field of automobiles, BDU usually refers to "Battery Distribution Unit". The battery distribution unit is an important component in electric vehicles and hybrid vehicles, responsible for monitoring and managing the state of the battery to ensure that the battery works safely and efficiently.
[0003] The device such as the BDU is usually connected with the vehicle through a bolt, and in order to reduce vibration conduction, a steel sleeve is usually arranged outside the bolt, one side of the steel sleeve is also connected with a gasket, and then a rubber sleeve is sleeved outside the steel sleeve for damping;
[0004] The rubber sleeve is provided with rubber washers at both ends, the inner diameter of the rubber washer is larger than the inner diameter of the rubber sleeve, the inner diameter of the rubber washer is smaller than the outer diameter of the rubber sleeve, the outer diameter of the rubber washer is larger than the outer diameter of the rubber sleeve, so that the two rubber washers and the rubber sleeve form a clamping groove, the clamping groove is used for clamping the equipment to be fixed, such as the BDU and the like, and the two rubber washers are used for abutting against the gasket and the vehicle body respectively, so as to realize damping of the bolt connection.
[0005] For the rubber sleeve with the same thickness of the rubber washer, the installation state of the rubber sleeve and the steel sleeve has no effect on the product;
[0006] For the rubber sleeve with different thicknesses of the rubber washer, the installation state of the rubber sleeve and the steel sleeve has a clear requirement, the thicker rubber washer should face the vehicle body, and the thinner rubber washer should face the gasket, so the installation state of the rubber washer and the steel sleeve needs to be detected to ensure the delivery quality. CONTENT OF THE UTILITY MODEL
[0007] The utility model aims at solving the technical problem of the installation state error of the rubber sleeve and the steel sleeve in the prior art.
[0008] Technical scheme: The error-proof detection device provided by the embodiment of the application comprises:
[0009] A substrate, the substrate has a first direction, a second direction and a third direction arranged in intersection, and the substrate is arranged to extend along the plane formed by the first direction and the second direction;
[0010] A cylindrical pin connected with the substrate, the cylindrical pin has a first through hole arranged to extend along the third direction;
[0011] a detector, the detector is disposed along the third direction and is disposed eccentrically to the axis of the cylindrical pin, a detection end of the detector is directed away from a side of the cylindrical pin which is away from the substrate, and the detector is at least partially disposed in the first through hole.
[0012] In some embodiments, the detection end of the detector is disposed in the same plane as the mesa of the cylindrical pin.
[0013] In some embodiments, along the third direction, the detection end of the detector is disposed on a side of the mesa of the cylindrical pin which is away from the substrate.
[0014] In some embodiments, the substrate has a second through hole disposed along the third direction;
[0015] The error-proof detection device further comprises a first indicator, the first indicator is in communication connection with the detector; the first indicator is disposed in the second through hole, and a prompting end of the first indicator is disposed on a side of the second through hole which is close to the cylindrical pin along the third direction.
[0016] In some embodiments, the cylindrical pin, the detector and the first indicator constitute a detection unit, and a plurality of detection units are provided.
[0017] The substrate further has a third through hole disposed along the third direction, and the error-proof detection device further comprises a second indicator, the second indicator is disposed in the third through hole, and a prompting end of the second indicator is disposed on a side of the third through hole which is close to the cylindrical pin along the third direction.
[0018] The first indicator and the second indicator in the plurality of detection units are in communication connection.
[0019] In some embodiments, the error-proof detection device further comprises a bearing table, the bearing table is connected with the substrate and the cylindrical pin, and the substrate, the bearing table and the cylindrical pin are spaced apart along the third direction.
[0020] In some embodiments, the substrate further has a positioning groove disposed along the third direction, and the bearing table is at least partially disposed in the positioning groove.
[0021] In some embodiments, the substrate further has a fifth through hole disposed along the third direction, and the fifth through hole is in communication with the positioning groove.
[0022] The bearing table further has a sixth through hole disposed along the third direction, and the sixth through hole, the fifth through hole and the first through hole are in communication.
[0023] Beneficial effects: compared with the prior art, the mistake-proof detection device provided by the embodiment of the application comprises a substrate, a cylindrical pin and a detector; the cylindrical pin is connected with the substrate and is used for supporting and positioning a target workpiece; a first through hole is formed in the cylindrical pin, the detector is at least partially arranged in the first through hole, a detection end of the detector faces a side of the cylindrical pin away from the substrate, the detector is arranged in extension along a third direction and is arranged eccentrically with respect to an axis of the cylindrical pin, so that a front projection of the detector and a front projection of the steel sleeve wall at least partially overlap in the third direction; after the workpiece is placed on the mistake-proof detection device, the position of the steel sleeve can be detected by the detector to determine the assembly state of the steel sleeve and the rubber sleeve, and the mistake-proof detection is completed. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0025] Figure 1 A perspective view of the mistake-proof detection device provided by the embodiment of the application;
[0026] Figure 2 A perspective view of the substrate in the mistake-proof detection device provided by the embodiment of the application;
[0027] Figure 3 A cross-sectional perspective view of the cylindrical pin and the bearing table in the mistake-proof detection device provided by the embodiment of the application;
[0028] Figure 4 A cross-sectional perspective view of the rubber sleeve and the steel sleeve;
[0029] The drawings show that: 1, steel sleeve; 2, gasket; 3, rubber sleeve; 4, first gasket; 5, second gasket; 6, clamping groove; 10, substrate; 11, second through hole; 12, third through hole; 13, positioning groove; 14, fifth through hole; 20, cylindrical pin; 21, first through hole; 30, detector; 40, first prompter; 50, second prompter; 60, bearing table; 61, sixth through hole; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the application will be described clearly and completely in the following with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the application.
[0031] In the automotive field, BDU usually refers to "Battery Distribution Unit, battery distribution unit". The battery distribution unit is an important component in electric vehicles and hybrid vehicles, responsible for monitoring and managing the state of the battery to ensure safe and efficient operation of the battery.
[0032] The device such as BDU is usually connected with the vehicle through bolts, and in order to reduce the transmission of vibration, a steel sleeve 1 is usually arranged outside the bolt, please refer to Figure 4 , Figure 4 The cross-sectional view of the rubber sleeve 3 and the steel sleeve 1 is shown in the figure, and the steel sleeve 1 is also connected with the gasket 2, and then the rubber sleeve 3 is sleeved outside the steel sleeve 1 for damping;
[0033] The rubber sleeve 3 is provided with rubber washers at both ends, the inner diameter of the rubber washer is larger than the inner diameter of the rubber sleeve 3, and the inner diameter of the rubber washer is smaller than the outer diameter of the rubber sleeve 3, and the outer diameter of the rubber washer is larger than the outer diameter of the rubber sleeve 3, so that the two rubber washers and the rubber sleeve 3 form a clamping groove 6, which is used for clamping the equipment to be fixed, such as BDU and other equipment, and the two rubber washers are used for abutting the gasket 2 and the vehicle body respectively, so as to realize the damping of the bolt connection.
[0034] For the rubber sleeve 3 with the same thickness of the rubber washer, the installation state of the rubber sleeve 3 and the steel sleeve 1 has no effect on the product;
[0035] For the rubber sleeve 3 with different thickness of the rubber washer, the installation state of the rubber sleeve 3 and the steel sleeve 1 has a clear requirement, the thicker rubber washer is the first washer 4, which faces the vehicle body, and the thinner rubber washer is the second washer 5, which faces the gasket 2, so as to ensure the delivery quality of the rubber ring and the steel sleeve 1.
[0036] Therefore, the embodiment of the present application provides a mistake-proof detection device, which comprises a base plate 10, a cylindrical pin 20 and a detector 30; the cylindrical pin 20 is connected with the base plate 10 and is used for supporting and positioning the target workpiece; the first through hole 21 is formed in the cylindrical pin 20, and the detector 30 is at least partially arranged in the first through hole 21; the detection end of the detector 30 faces the side of the cylindrical pin 20 away from the base plate 10; the detector 30 is arranged in the third direction Z and is eccentrically arranged with the axis of the cylindrical pin 20, so that the orthographic projection of the detector 30 and the orthographic projection of the wall of the steel sleeve 1 at least partially overlap in the third direction Z; after the workpiece is placed on the mistake-proof detection device, due to the different thickness of the rubber washer, the length of the cylindrical pin 20 inserted into the rubber sleeve 3 is different in different installation states of the rubber ring and the steel sleeve 1, so that the distance between the detector 30 and the steel sleeve 1 is different; based on this, the position of the steel sleeve 1 is detected by the detector 30 to determine the assembly state of the steel sleeve 1 and the rubber sleeve 3, and the mistake-proof detection is completed.
[0037] In some embodiments, refer to Figure 1 and Figure 2 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application, Figure 2 the perspective view of the substrate 10 in the error-proof detection device provided in the embodiments of the present application, for the convenience of describing the relative position relationship between each component, the substrate 10 in the error-proof detection device provided in the embodiments of the present application introduces the first direction X, the second direction Y and the third direction Z which are arranged intersectingly, and the substrate 10 extends along the plane constituted by the first direction X and the second direction Y. Specifically, the substrate 10 in the error-proof detection device provided in the embodiments of the present application is a rectangular plate, the length direction of the rectangular plate is the first direction X, the width direction of the rectangular plate is the second direction Y, and the thickness direction of the rectangular plate is the third direction Z.
[0038] In some embodiments, refer to Figure 1 and Figure 4 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application, Figure 4 the perspective view of the rubber sleeve 3 and the steel sleeve 1; the cylindrical pin 20 is connected with the substrate 10 and is used for positioning the workpiece to be detected. Specifically, the diameter of the cylindrical pin 20 and the inner diameter of the two rubber gaskets are the same, so that the cylindrical pin 20 is inserted into the rubber gasket to be detected; the length of the cylindrical pin 20 and the thickness of the first gasket 4 are the same. Understandably, when the cylindrical pin 20 is inserted into the first gasket 4, the cylindrical pin 20 has a first distance with the steel sleeve 1; when the cylindrical pin 20 is inserted into the second gasket 5, the cylindrical pin 20 has a second distance with the steel sleeve 1, and it can be seen that the first distance is obviously smaller than the second distance, and the distance between the cylindrical pin 20 and the steel sleeve 1 is detected by the detector 30 to complete the detection.
[0039] In some embodiments, refer to Figure 1 , Figure 2 and Figure 3 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application, Figure 2 the perspective view of the substrate 10 in the error-proof detection device provided in the embodiments of the present application, Figure 3 the perspective view of the cylindrical pin 20 and the bearing table 60 in the error-proof detection device provided in the embodiments of the present application; the cylindrical pin 20 in the present application has a first through hole 21 which extends along the third direction Z, the detector 30 extends along the third direction Z and is arranged eccentrically with the axis of the cylindrical pin 20, the detection end of the detector 30 faces the side of the cylindrical pin 20 which is away from the substrate 10, and the detector 30 is at least partially arranged in the first through hole 21. Specifically, along the third direction Z, the orthographic projection of the detector 30 and the orthographic projection of the sleeve wall of the steel sleeve 1 at least partially coincide, so as to detect the position of the steel sleeve 1 in the third direction Z by the detector 30.
[0040] In some embodiments, please refer to Figure 1 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application; the detection end of the detector 30 is arranged on the same plane as the mesa of the cylindrical pin 20, and the side of the steel sleeve 1 away from the gasket 2 is coplanar with the side of the first gasket 4 close to the rubber sleeve 3 when the steel sleeve 1 and the rubber sleeve 3 are normally installed. Understandably, in the present application, the detector 30 adopts a contact sensor, and the first distance is zero. When the steel sleeve 1 and the rubber sleeve 3 are installed correctly, the detector 30 will contact the steel sleeve 1, and the detection is qualified; when the steel sleeve 1 and the rubber sleeve 3 are installed incorrectly, the detector 30 will not be able to contact the steel sleeve 1, the second distance is greater than zero, the detector 30 cannot detect the steel sleeve 1, and there is no detection result, and the installation is unqualified.
[0041] In some embodiments, please refer to Figure 1 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application; along the third direction Z, the detection end of the detector 30 is arranged on the side of the mesa of the cylindrical pin 20 away from the base plate 10. Understandably, this case is designed for the case that the steel sleeve 1 and the rubber sleeve 3 are normally installed, and there is still a certain distance between the side of the steel sleeve 1 away from the gasket 2 and the side of the first gasket 4 close to the rubber sleeve 3. At this time, the detector 30 can be extended outward, so that the detection end of the detector 30 is arranged on the side of the mesa of the cylindrical pin 20 away from the base plate 10, so as to make up for the distance between the side of the steel sleeve 1 away from the gasket 2 and the side of the first gasket 4 close to the rubber sleeve 3.
[0042] In some embodiments, please refer to Figure 1 and Figure 2 , Figure 1 the perspective view of the error-proof detection device provided in the embodiments of the present application, Figure 2 the perspective view of the base plate 10 in the error-proof detection device provided in the embodiments of the present application; the base plate 10 has a second through hole 11 extending along the third direction Z; the error-proof detection device further comprises a first prompter 40, which is in communication connection with the detector 30; the first prompter 40 is arranged through the second through hole 11, and the prompt end of the first prompter 40 is arranged on the side of the second through hole 11 close to the cylindrical pin 20 along the third direction Z. Specifically, the first prompter 40 is a prompt light, and the lighting end of the prompt light is the prompt end. Understandably, when the detector 30 detects the steel sleeve 1, the first prompter 40 is triggered to light up to prompt the staff that the detection at this place is passed, and if the light is not on, it indicates that the detection is not passed.
[0043] In some embodiments, please refer to Figure 1 , Figure 1The perspective view of the error-proof detection device provided by the embodiment of the present application; the detection unit is composed of the cylindrical pin 20, the detector 30 and the first prompter 40, multiple detection units are arranged to cope with multiple target components to be detected, and multiple detection units work simultaneously to improve the accuracy of positioning and the stability of supporting the target workpiece.
[0044] In some embodiments, referring to Figure 1 and Figure 2 , Figure 1 The perspective view of the error-proof detection device provided by the embodiment of the present application, Figure 2 The perspective view of the substrate 10 in the error-proof detection device provided by the embodiment of the present application; the substrate 10 further has a third through hole 12 extending along the third direction Z, the error-proof detection device further includes a second prompter 50, the second prompter 50 is arranged through the third through hole 12, the prompt end of the second prompter 50 is arranged on the side of the third through hole 12 close to the cylindrical pin 20 along the third direction Z, and the first prompter 40 in the multiple detection units is in communication connection with the second prompter 50. Specifically, the second prompter 50 is a buzzer, and the buzzing end of the buzzer is arranged on the side of the third through hole 12 close to the cylindrical pin 20. Understandably, when the detection of the target piece by each detection unit is passed and the first prompter 40 works, the second prompter 50 works and performs a buzzing prompt, and each detection position of the entire workpiece is passed.
[0045] In some embodiments, referring to Figure 1 and Figure 3 , Figure 1 The perspective view of the error-proof detection device provided by the embodiment of the present application, Figure 3 The cross-sectional perspective view of the cylindrical pin and the bearing table in the error-proof detection device provided by the embodiment of the present application; the error-proof detection device further includes a bearing table 60, the bearing table 60 is connected with the substrate 10 and the cylindrical pin 20, and the substrate 10, the bearing table 60 and the cylindrical pin 20 are arranged at intervals along the third direction Z. Specifically, the bearing table 60 is a rectangular block, and two surfaces of the rectangular block are connected with the substrate 10 and the cylindrical pin 20 respectively.
[0046] In some embodiments, referring to Figure 1 and Figure 2 , Figure 1 The perspective view of the error-proof detection device provided by the embodiment of the present application, Figure 2 The perspective view of the substrate in the error-proof detection device provided by the embodiment of the present application; the substrate 10 further has a positioning groove 13 extending along the third direction Z, and the bearing table 60 is at least partially arranged in the positioning groove 13. Specifically, the positioning groove 13 is a rectangular groove, and the groove opening of the positioning groove 13 is matched with the bearing table 60 for positioning the bearing table 60 when the bearing table 60 is installed.
[0047] In some embodiments, referring toFigures 1 to 3 , Figure 1 A perspective view of the error-proof detection device provided by the embodiment of the present application, Figure 2 A perspective view of the substrate 10 in the error-proof detection device provided by the embodiment of the present application, Figure 3 A sectional perspective view of the cylindrical pin 20 and the bearing table 60 in the error-proof detection device provided by the embodiment of the present application; the substrate 10 further has a fifth through hole 14 extending along the third direction Z, the fifth through hole 14 being in communication with the positioning groove 13; the bearing table 60 further has a sixth through hole 61 extending along the third direction Z, the sixth through hole 61, the fifth through hole 14 and the first through hole 21 being in communication. Specifically, the detection member enters the first through hole 21 after sequentially passing through the fifth through hole 14 and the sixth through hole 61.
[0048] It can be understood that the error-proof detection device provided by the embodiment of the present application comprises a substrate 10, a cylindrical pin 20 and a detector 30; the cylindrical pin 20 is connected with the substrate 10 and is used for supporting and positioning a target workpiece; the cylindrical pin 20 is provided with a first through hole 21, the detector 30 is at least partially arranged in the first through hole 21, a detection end of the detector 30 faces away from the substrate 10 on a side of the cylindrical pin 20, the detector 30 extends along the third direction Z and is arranged eccentrically with respect to an axis of the cylindrical pin 20, so that a front projection of the detector 30 and a front projection of the wall of the steel sleeve 1 at least partially overlap in the third direction Z; after the workpiece is placed on the error-proof detection device, due to the different thicknesses of the rubber gaskets, the length of the cylindrical pin 20 extending into the rubber sleeve 3 is different in different installation states of the rubber gasket and the steel sleeve 1, so that the distance between the detector 30 and the steel sleeve 1 is different; based on this, the position of the steel sleeve 1 is detected by the detector 30 to determine the assembly state of the steel sleeve 1 and the rubber sleeve 3, and the error-proof detection is completed.
[0049] The above describes in detail the error-proof detection device provided by the embodiment of the present application, the principle and implementation manner of the present application are described by applying specific examples, and the above description of the embodiments is only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, the specific implementation manner and application range will be changed according to the idea of the present application, and in view of the above, the content of the specification should not be understood as a limitation of the present application.
Claims
1. A mistake proofing device, characterized by, include: A substrate (10) having a first direction (X), a second direction (Y) and a third direction (Z) that intersect each other, the substrate (10) extending along a plane formed by the first direction (X) and the second direction (Y); A cylindrical pin (20) is connected to the substrate (10); the cylindrical pin (20) has a first through hole (21) extending along the third direction (Z); The detector (30) extends along the third direction (Z) and is eccentrically disposed with respect to the axis of the cylindrical pin (20). The detection end of the detector (30) faces the side of the cylindrical pin (20) away from the substrate (10). The detector (30) is at least partially disposed through the first through hole (21).
2. The mistake proofing device of claim 1, wherein, The detection end of the detector (30) and the platform of the cylindrical pin (20) are set on the same plane.
3. The mistake proofing device of claim 1, wherein, Along the third direction (Z), the detection end of the detector (30) is disposed on the side of the platform of the cylindrical pin (20) away from the substrate (10).
4. The mistake proofing device of claim 2 or 3, wherein, The substrate (10) has a second through hole (11) extending along the third direction (Z); The error prevention detection device further includes a first prompter (40), which is communicatively connected to the detector (30); the first prompter (40) passes through the second through hole (11), and the prompting end of the first prompter (40) is located on the side of the second through hole (11) near the cylindrical pin (20) along the third direction (Z).
5. The mistake proofing device of claim 4, wherein, The cylindrical pin (20), the detector (30), and the first indicator (40) constitute a detection unit, and multiple detection units are provided; The substrate (10) also has a third through hole (12) extending along the third direction (Z). The error prevention detection device also includes a second prompt (50), which passes through the third through hole (12) along the third direction (Z). The prompting end of the second prompt (50) is located on the side of the third through hole (12) near the cylindrical pin (20). The first indicator (40) of the plurality of detection units is communicatively connected to the second indicator (50).
6. The mistake proofing device of claim 1, wherein, The error-proof detection device also includes a support platform (60), which is connected to the substrate (10) and the cylindrical pin (20). The substrate (10), the support platform (60) and the cylindrical pin (20) are spaced apart along the third direction (Z).
7. The mistake proofing device of claim 6, wherein, The substrate (10) also has a positioning groove (13) extending along the third direction (Z), and the support platform (60) is at least partially disposed in the positioning groove (13).
8. The mistake proofing device of claim 7, wherein, The substrate (10) also has a fifth through hole (14) extending along the third direction (Z), and the fifth through hole (14) communicates with the positioning groove (13); The bearing table (60) further has a sixth through hole (61) extending along the third direction (Z), the sixth through hole (61), the fifth through hole (14) and the first through hole (21) being communicated.