Reliability test fixture
By designing a reliability test fixture including a stage, side baffle and removable gear strip, the shaking and water accumulation of the test parts during testing is solved, and a unified test of the parts to be tested is achieved in different sizes, improving the improvement of the improvement of the problems of shaking and water accumulation of the parts to be tested. Test quality.
Patent Information
- Application Number
- CN202420103985.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-11-22
AI Technical Summary
When testing reliability, the test results are affected by the problem of shaking left and right inside the fixture and the residual water marks at the bottom of the test fixture; the thickness and size of different test fixtures are different, and different specifications of fixtures are required, resulting in the test. Equipment space occupies a lot.
Design a reliability test fixture, including a stage, a side baffle fixed to the stage and a removable barrier strip, with a limit groove and through holes of different sizes on the stage, which are fixed by moving The design of the part and the removable gear strip realizes positioning and fixing of the part to be tested and prevents shaking, and prevents water accumulation through the through holes.
The test parts to be tested of different sizes, sizes and shapes are realized on the same fixture, avoiding the left and right shaking and water accumulation of the parts to be tested, and ensuring the test quality.
Smart Images
Figure CN222430472U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic product testing, in particular to the technical field of reliability testing fixtures. Background Art
[0002] When testing the reliability of touch screens, displays, cameras and other devices, the reliability test results are affected by the left and right shaking of the device under test when placed in the fixture and the residual water marks on the bottom of the test fixture. In addition, different devices under test have different thicknesses and sizes, so different fixtures are needed. Even fixtures of different specifications need to be used at the same time to meet product testing requirements, resulting in a large space occupied by the test equipment. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a reliability fixture that can position and fix test pieces of different sizes, dimensions and shapes on a fixture for testing and can prevent water accumulation in the test items.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A reliability testing fixture comprises a stage, a first side baffle and a second side baffle fixed to two adjacent side edges of the stage, a first detachable baffle and a second detachable baffle clamped on the stage, the stage is provided with limiting grooves of different sizes for placing a test piece, a through hole is provided at the bottom of the limiting groove to prevent water accumulation, limiting bosses are provided on both sides of the limiting groove, and there are groove gaps between adjacent limiting grooves and adjacent limiting bosses, the first detachable baffle is clamped into the groove gap, and the test piece placed in the limiting groove is positioned by a movable fastener, the second detachable baffle is clamped into the limiting groove, and abuts against the first detachable baffle, so that the test piece does not shake left and right.
[0006] Furthermore, the limiting grooves are arranged in a matrix on the stage.
[0007] Furthermore, at least one through hole is provided on the single limiting groove.
[0008] Furthermore, the side surface of the loading platform that is in contact with the first side baffle plate is provided with screw holes at the centers of both sides of the limiting groove, and the first side baffle plate is provided with corresponding connecting holes, and the first side baffle plate is fixedly connected to the loading platform through the connecting holes and the screw holes using screw fasteners.
[0009] Furthermore, the side of the loading platform that is in contact with the second side baffle is provided with screw holes at the centers of both sides of the limiting groove, and the second side baffle is provided with corresponding connecting holes. The second side baffle is fixedly connected to the loading platform through the connecting holes and the screw holes using screw fasteners.
[0010] Furthermore, the movable fastener is a positioning pin.
[0011] Furthermore, the first detachable blocking strip is provided with a pin hole corresponding to each of the limiting grooves, and the positioning pin passes through the pin hole to be detachably connected to the test piece placed in the limiting groove.
[0012] Furthermore, the first detachable baffle and the first side baffle are inserted into the groove gap in parallel, and the second detachable baffle and the second side baffle are inserted into the single groove in parallel.
[0013] Furthermore, after the first detachable blocking strip and the second detachable blocking strip are inserted into the groove gap and the groove, the height thereof is not higher than the top surface of the limiting boss.
[0014] Preferably, the second detachable blocking strip is made of a flexible material or a side close to the piece to be tested is covered with a flexible material.
[0015] Beneficial effects of the utility model:
[0016] Through the optimized design of the reliability fixture stage, side baffles and detachable baffles, test pieces of different sizes, shapes and shapes can be tested on the same fixture, and the test pieces can be prevented from shaking left and right. Through holes are designed at the bottom of the stage to prevent water accumulation on the test items, thus ensuring the overall test quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 Schematic diagram of the stage;
[0019] Figure 2 is a schematic diagram of the first and second side baffles;
[0020] Figure 3 Schematic diagram of the first and second detachable gear bars. DETAILED DESCRIPTION
[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.
[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "first", "second", "side", "top surface" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0023] See also Figures 1 to 3 A reliability test fixture in the embodiment includes a stage 10, a first side baffle 21 and a second side baffle 22 fixed to two adjacent sides of the stage, a first detachable baffle 31 and a second detachable baffle 32 clamped on the stage, the stage 10 is provided with limiting grooves 101 of different sizes for placing the test piece, a through hole 102 is provided at the bottom of the limiting groove 101 to prevent water accumulation, limiting bosses 103 are provided on both sides of the limiting groove 101, and there are groove gaps 104 between adjacent limiting grooves 101 and adjacent limiting bosses 103, the first detachable baffle 31 is clamped in the groove gap 104, and through the movable The fastener 33 positions the workpiece to be tested placed in the limiting groove 101, and the second detachable stop bar 32 is inserted into the limiting groove 101 and abuts against the first detachable stop bar 31. In this way, the first and second side baffles 31 and 32 are surrounded by the worktable 10, and the first detachable stop bar 31 is inserted into the groove gap 104 and together with the second detachable stop bar 32 inserted into the limiting groove 101, separates the accommodating positions for the workpieces to be tested of different sizes. The movable fastener 33 is used to position and fix the workpieces to be tested of different sizes placed in the limiting groove 101, so as to realize the testing of workpieces to be tested of different sizes, thicknesses, and shapes and prevent the shaking of the objects from affecting the test effect.
[0024] In this embodiment, the limiting grooves 101 are arranged in a matrix of 3 rows and 3 columns on the stage 10 to facilitate the insertion and saving of the detachable stop bars 31 , 32 .
[0025] In this embodiment, one through hole 102 is formed on each limiting groove 101 .
[0026] It is understandable that, in other embodiments, each limiting groove 101 may be provided with a plurality of through holes 104 , or a filter plate may be used to avoid the problem of water accumulation.
[0027] In this embodiment, the side of the stage 10 that is in contact with the first side baffle 21 is provided with four screw holes 105 at the center of both sides of the limiting groove 101, the first side baffle 21 is provided with four corresponding connection holes 211, the first side baffle 21 is fixedly connected to the stage 10 through the connection holes 211 and the screw holes 105 by screw fasteners, the side of the stage 10 that is in contact with the second side baffle 22 is provided with three screw holes 105 at the center of both sides of the limiting groove 101, the second side baffle 22 is provided with three corresponding connection holes 212, the second side baffle 22 is fixedly connected to the stage 10 through the connection holes 212 and the screw holes 105 by screw fasteners. That is, the first and second side baffles 21 and 22 are fixed by threading, so that the test piece does not shake in the stage 10.
[0028] It is understandable that, in other embodiments, the fixed connection between the loading platform 10 and the first and second side baffles 21 and 22 may also be achieved by welding or bonding.
[0029] In this embodiment, the movable fastener 33 is a positioning pin, and the first detachable blocking strip 31 and each limiting groove 101 have a pin hole 311 corresponding to each other. The positioning pin passes through the pin hole 311 and is detachably connected to the test piece placed in the limiting groove 101.
[0030] It is understandable that in other embodiments, the movable fastener 33 may also be in the form of a buckle to be movably connected to the test piece.
[0031] In this embodiment, the first detachable blocking strip 31 and the first side baffle 21 are inserted into the groove gap 104 in parallel, and the second detachable blocking strip 32 and the second side baffle 22 are inserted into the single groove 101 in parallel, so as to accommodate test pieces of different sizes, thicknesses and shapes.
[0032] In this embodiment, after the first detachable blocking strip 31 and the second detachable blocking strip 32 are inserted into the groove gap 104 and the groove 101, their height is not higher than the top surface of the limiting boss 103. In this way, the movement of the testing device will not be hindered during the continuous testing of multiple workpieces.
[0033] In this embodiment, the second detachable blocking strip 32 is made of a flexible material.
[0034] In another embodiment, a side of the second detachable blocking strip 32 close to the test piece is covered with a flexible material.
[0035] In this way, the piece to be tested is fixed so as not to shake and at the same time plays a buffering role to prevent the piece to be tested from being damaged due to rigid fixation.
[0036] The utility model optimizes the design of the reliability fixture stage, uses side baffles and detachable baffles, so that test pieces of different sizes, shapes can be tested on the same fixture, and the test pieces are prevented from shaking left and right. Through holes are designed at the bottom of the stage to prevent water accumulation in the test items, thereby ensuring the overall test quality.
[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0038] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A reliability test fixture, characterized in that: It includes a loading platform, a first side baffle and a second side baffle fixed to two adjacent side edges of the loading platform, a first detachable baffle and a second detachable baffle clamped on the loading platform, the loading platform is provided with limiting grooves of different sizes for placing the workpiece to be tested, a through hole is provided at the bottom of the limiting groove, limiting bosses are provided on both sides of the limiting groove, there are groove gaps between adjacent limiting grooves and between adjacent limiting bosses, the first detachable baffle is clamped into the groove gap, and the workpiece to be tested placed in the limiting groove is positioned by a movable fastener, the second detachable baffle is clamped into the limiting groove and abuts against the first detachable baffle.
2. The reliability test fixture according to claim 1, characterized in that: The limiting grooves are arranged in a matrix on the stage.
3. The reliability test fixture according to claim 1, characterized in that: At least one through hole is formed on the single limiting groove.
4. The reliability test fixture according to claim 1, characterized in that: The side of the loading platform that is in contact with the first side baffle is provided with screw holes at the centers of both sides of the limiting groove, and the first side baffle is provided with corresponding connecting holes. The first side baffle is fixedly connected to the loading platform through the connecting holes and the screw holes using screw fasteners.
5. The reliability test fixture according to claim 1, characterized in that: The side of the loading platform that is in contact with the second side baffle is provided with screw holes at the centers of both sides of the limiting groove, and the second side baffle is provided with corresponding connecting holes. The second side baffle is fixedly connected to the loading platform through the connecting holes and the screw holes using screw fasteners.
6. The reliability test fixture according to claim 1, characterized in that: The movable fastener is a positioning pin.
7. The reliability test fixture according to claim 6, characterized in that: The first detachable blocking strip is provided with a pin hole corresponding to each of the limiting grooves, and the positioning pin passes through the pin hole and is detachably connected to the test piece placed in the limiting groove.
8. The reliability test fixture according to claim 1, characterized in that: The first detachable blocking strip and the first side baffle are inserted into the groove gap in parallel, and the second detachable blocking strip and the second side baffle are inserted into the single groove in parallel.
9. The reliability test fixture according to claim 8, characterized in that: After the first detachable blocking strip and the second detachable blocking strip are inserted into the groove gap and the groove, the heights thereof are no higher than the top surface of the limiting boss.
10. The reliability test fixture according to claim 8, characterized in that: The second detachable blocking strip is made of a flexible material or a side close to the piece to be tested is covered with a flexible material.