Clamp and testing device
By designing a fixture with position adjustment and rotation structure, the problems of low applicability and accuracy of existing equipment were solved, enabling flexible adaptation to different specifications of car sunroofs and multi-angle detection, thus improving the accuracy and comprehensiveness of noise detection.
Patent Information
- Application Number
- CN202423210675.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing automotive sunroof noise testing equipment has poor applicability, cannot be applied to automotive sunroof products of different sizes, and has low testing accuracy.
Design a fixture comprising a support base, a position adjustment mechanism, and a rotating structure. The position adjustment mechanism adjusts the position and orientation of the test structure to accommodate test pieces of different sizes and models, and the rotating structure detects noise from multiple angles.
The applicability and detection range of the testing device have been improved, and the accuracy and comprehensiveness of the test have been enhanced. It can adapt to different models of car sunroofs and perform tests from multiple angles.
Smart Images

Figure CN223741999U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of test equipment especially relates to clamp and testing arrangement. BACKGROUND
[0002] The noise of the sunroof during operation has a direct impact on the user experience of the automobile, and the noise of the sunroof may come from the noise of the sunroof motor operation or the noise generated by the sunroof mechanical group operation, so it is usually necessary to detect various sound quality parameters of the noise of the sunroof during operation through a test equipment, so as to judge whether the sunroof product is qualified.
[0003] At present, the test equipment for detecting the noise of the sunroof is fixed in the internal microphone structure for collecting the noise signal generated by the product during operation, so it can only be applied to the sunroof product of fixed specification size, the applicability is poor and the detection range is limited, and the existing test equipment can only test the sunroof product through a single angle, and the accuracy of the test is low. UTILITARY MODEL CONTENTS
[0004] The purpose of the embodiment of the application is to provide a clamp, which aims to solve the problem of how to improve the applicability and accuracy of the test device.
[0005] To achieve the above purpose, the technical scheme adopted by the application is:
[0006] In a first aspect, a clamp is provided for clamping a test structure, the test structure being used for detecting a to-be-tested member, the clamp comprising a support seat, a position adjusting mechanism arranged on the support seat, a rotating structure arranged on the position adjusting mechanism, and a test structure arranged on the rotating structure, the position adjusting mechanism being used for driving the rotating structure and the test structure to move synchronously along a straight line to adjust the position of the test structure, the test structure being arranged at intervals with the to-be-tested member, and the rotating structure being used for adjusting the orientation of the test structure relative to the to-be-tested member.
[0007] In some embodiments, the rotating structure is used for driving the test structure to rotate around a rotation axis, so that the test structure rotates in a preset plane.
[0008] In some embodiments, the position adjusting mechanism comprises a first adjusting mechanism arranged on the support base, a second adjusting mechanism slidingly arranged on the first adjusting mechanism, and a third adjusting mechanism slidingly arranged on the second adjusting mechanism, the rotating structure being slidingly arranged on the third adjusting mechanism, the first adjusting mechanism being configured to drive the second adjusting mechanism to move in a first direction, the second adjusting mechanism being configured to drive the third adjusting mechanism to move in a second direction, and the third adjusting mechanism being configured to drive the rotating structure to move in a third direction, the first direction, the second direction and the third direction being perpendicular to each other.
[0009] In some embodiments, the first adjusting mechanism comprises a guide rail and a sliding block slidingly connected to the guide rail, the guide rail extending in the first direction, and the second adjusting mechanism being connected to the sliding block.
[0010] In some embodiments, the second adjusting mechanism comprises a first sliding shaft, a first clamping block and a first fastener, the first sliding shaft being fixedly connected to the sliding block, the first sliding shaft being arranged through the first clamping block and extending in the second direction, the first fastener being connected to the first clamping block, the first fastener being configured to loosen or fix the first clamping block, and the third adjusting mechanism being connected to the first clamping block.
[0011] In some embodiments, the third adjusting mechanism comprises a second sliding shaft, a second clamping block and a second fastener, the second sliding shaft being connected to the first clamping block, the second sliding shaft being arranged through the second clamping block and extending in the third direction, the second fastener being connected to the second clamping block, the second fastener being configured to loosen or fix the second clamping block, and the rotating structure being connected to the second clamping block.
[0012] In some embodiments, the rotating structure comprises a seat body, a third clamping block and a rotating shaft, the seat body being connected to the second clamping block, the third clamping block being rotatably connected to the seat body via the rotating shaft, and the third clamping block being configured to clamp the test structure.
[0013] In some embodiments, the clamp further comprises a third sliding shaft extending in the third direction, the third sliding shaft being arranged through the second clamping block, a third fastener configured to loosen or fix the third sliding shaft, and the seat body being detachably connected to the third sliding shaft.
[0014] In some embodiments, the test structure is a microphone configured to collect a noise signal generated by the object to be tested.
[0015] In a second aspect, a test device is provided, which comprises the clamp according to the above-mentioned solution.
[0016] The application has the beneficial effects that: the position of the test structure can be adjusted through the position adjusting mechanism, so that the relative position of the test structure and the measured piece is flexibly adjusted, the clamp can be suitable for measured pieces of different models and sizes, the applicability of the clamp and the test device is improved, the detection range can be expanded, and the accuracy of the test device is effectively improved; in addition, the orientation of the test structure relative to the measured piece can be adjusted through the rotating structure, so that the test device can detect the measured piece from multiple angles, and the comprehensiveness and accuracy of the test can be further improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] 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 embodiments or exemplary technical descriptions. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0018] Figure 1 is the overall structure schematic diagram of the clamp provided by the embodiments of the application;
[0019] Figure 2 is Figure 1 the enlarged structure schematic diagram of part A in
[0020] Figure 3 is Figure 1 the enlarged structure schematic diagram of part B in
[0021] In the drawings, various reference signs represent:
[0022] 10, first adjusting mechanism; 11, guide rail; 12, sliding block; 20, second adjusting mechanism; 21, first sliding shaft; 22, first clamping block; 23, first fastener; 24, fourth fastener; 30, third adjusting mechanism; 31, second sliding shaft; 32, second clamping block; 33, second fastener; 40, rotating structure; 41, seat body; 42, third clamping block; 43, rotating shaft; 50, test structure; 60, support seat; 71, third sliding shaft; 72, third fastener. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0024] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0025] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0026] In the present application, unless otherwise explicitly specified and limited, "on" or "under" of a first feature to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "on" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0027] Please refer to Figures 1 to 3The embodiment of the present application provides a clamp for clamping a test structure 50, the test structure 50 is used for detecting a to-be-tested member, the clamp comprises a support base 60, a position adjusting mechanism arranged on the support base 60, a rotating structure 40 arranged on the third adjusting mechanism 30 and the test structure 50 rotatably arranged on the rotating structure 40, the position adjusting mechanism is used for driving the rotating structure 40 and the test structure 50 to move synchronously along a straight line, so as to adjust the position of the test structure 50, the test structure 50 is arranged in a spaced mode with the to-be-tested member, and the rotating structure 40 is used for adjusting the orientation of the test structure 50 relative to the to-be-tested member.
[0028] It should be noted that the to-be-tested member in the embodiment of the present application is an automobile sunroof, and the noise of the automobile sunroof can be caused by the noise of the sunroof motor or the noise caused by the operation of the sunroof mechanical group. Of course, in other possible implementation manners, the to-be-tested member can also be other elements that can generate noise, and the embodiment of the present application does not make a unique limitation on the specific type of the to-be-tested member.
[0029] The position adjusting mechanism can be used for adjusting the position of the test structure 50, so that the relative position of the test structure 50 and the to-be-tested member can be flexibly adjusted, the clamp can be suitable for to-be-tested members of different models and sizes, the applicability of the clamp and the test device is improved, the detection range can be enlarged, and the accuracy of the test device is effectively improved. In addition, the orientation of the test structure 50 relative to the to-be-tested member can be adjusted through the rotating structure 40, so that the test device can detect the to-be-tested member from multiple angles, and the comprehensiveness and accuracy of the test can be further improved.
[0030] Optionally, the test structure 50 is a microphone, the microphone collects noise signals generated when a product is running, and the microphone can be in communication connection with a computer, the computer analyzes and processes sound pressure levels, roughness, sharpness and other acoustic indicators of the noise signals collected by the microphone, and detects whether there is abnormal noise. Specifically, the microphone is a free field microphone, the free field microphone is a high-quality microphone, the pickup range of the free field microphone is extensive, the free field microphone can well capture sound details, and the sensitivity is high, so that the free field microphone can accurately record original sound information without losing details, and therefore the free field microphone can more accurately record noise signals.
[0031] In other possible implementation manners, the test structure 50 can also be an acceleration sensor, the acceleration sensor can be used for detecting whether there is abnormal vibration when the to-be-tested member is running, and the specific type of the test structure 50 can be selected according to actual needs.
[0032] In some embodiments, the rotating structure 40 is configured to drive the testing structure 50 to rotate around the rotation axis, so as to rotate the testing structure 50 in the preset plane. That is, the testing structure 50 can swing in the preset plane, so as to have different orientations of the testing structure 50 relative to the to-be-tested member, and the adjustment manner is simple, convenient and fast.
[0033] In some embodiments, the position adjustment mechanism comprises a first adjustment mechanism 10 arranged on the support base 60, a second adjustment mechanism 20 slidingly arranged on the first adjustment mechanism 10, a third adjustment mechanism 30 slidingly arranged on the second adjustment mechanism 20, and a rotating structure 40 slidingly arranged on the third adjustment mechanism 30. The first adjustment mechanism 10 is configured to drive the second adjustment mechanism 20 to move along a first direction a. The second adjustment mechanism 20 is configured to drive the third adjustment mechanism 30 to move along a second direction b. The third adjustment mechanism 30 is configured to drive the rotating structure 40 to move along a third direction c. The testing structure 50 is arranged apart from the to-be-tested member along the third direction c. The first direction a, the second direction b and the third direction c are perpendicular to each other.
[0034] In the embodiments of the present application, the clamp can be located above the to-be-tested member, that is, the third direction c is a vertical direction, and the first direction a and the second direction b are parallel to the horizontal direction. Alternatively, the first direction a, the second direction b and the third direction c are perpendicular to each other, so that the structure of the clamp is more regular. Specifically, the rotation axis is arranged parallel to the first direction a.
[0035] It can be understood that when the first adjustment mechanism 10 drives the second adjustment mechanism 20 to move along the first direction a, the third adjustment mechanism 30, the rotating structure 40 and the testing structure 50 can move along the first direction a synchronously with the second adjustment mechanism 20. When the second adjustment mechanism 20 drives the third adjustment mechanism 30 to move along the second direction b, the rotating structure 40 and the testing structure 50 can move along the second direction b synchronously with the third adjustment mechanism 30. When the third adjustment mechanism 30 drives the rotating structure 40 to move along the third direction c, the testing structure 50 can move along the third direction c synchronously with the rotating structure 40. Therefore, the testing structure 50 can be moved to any position, so as to flexibly adjust the relative position of the testing structure 50 and the to-be-tested member.
[0036] In some embodiments, the first adjusting mechanism 10 comprises a guide rail 11 extending along the first direction a and a sliding block 12 slidingly connected to the guide rail 11, and the second adjusting mechanism 20 is connected to the sliding block 12. By connecting the second adjusting mechanism 20 to the sliding block 12, the sliding block 12 can slide on the guide rail 11, so that the second adjusting mechanism 20, the third adjusting mechanism 30, the rotating structure 40 and the testing structure 50 can slide synchronously along the first direction a, the guide rail 11 can guide the movement to avoid deviation of the sliding direction, and the movement efficiency and the adjusting efficiency can be improved. Optionally, the guide rail 11 can be an electric sliding rail, and the sliding block 12 is driven to move by the electric sliding rail.
[0037] In some embodiments, the second adjusting mechanism 20 comprises a first sliding shaft 21, a first clamping block 22 and a first fastener 23, the first sliding shaft 21 is fixedly connected to the sliding block 12, the first sliding shaft 21 passes through the first clamping block 22 and extends along a second direction b, the first fastener 23 is connected to the first clamping block 22, the first fastener 23 is used to loosen or fix the first clamping block 22, and the third adjusting mechanism 30 is connected to the first clamping block 22.
[0038] It can be understood that the first sliding shaft 21 and the first clamping block 22 can slide relative to each other, so the position of the first clamping block 22 in the second direction b can be adjusted, so that the positions of the third adjusting mechanism 30, the rotating structure 40 and the testing structure 50 in the second direction b can be adjusted synchronously.
[0039] It can be understood that the first clamping block 22 comprises two opposite clamping blocks, an axial hole for the first sliding shaft 21 to pass through is formed between the two opposite clamping blocks, and the two opposite clamping blocks can press the first sliding shaft 21 by the first fastener 23. When it is necessary to adjust the position of the first clamping block 22, the first fastener 23 is loosened, and the first clamping block 22 can be moved to a specified position along the first sliding shaft 21. Optionally, a scale is provided on the first sliding shaft 21, so that the adjustment according to the scale is facilitated, and the accuracy of the consistency of the adjustment is improved.
[0040] In some embodiments, the third adjusting mechanism 30 comprises a second sliding shaft 31, a second clamping block 32 and a second fastener 33, the second sliding shaft 31 is connected to the first clamping block 22, the second sliding shaft 31 passes through the second clamping block 32 and extends along a third direction c, the second fastener 33 is connected to the second clamping block 32, the second fastener 33 is used to loosen or fix the second clamping block 32, and the rotating structure 40 is connected to the second clamping block 32.
[0041] It can be understood that the second sliding shaft 31 and the second clamping block 32 can slide relative to each other, so the position of the second clamping block 32 in the third direction c can be adjusted, so that the positions of the rotating structure 40 and the testing structure 50 in the third direction c can be adjusted synchronously.
[0042] It can be understood that the second clamping block 32 is provided with an axle hole through which the second axle 31 passes, the side wall of the second clamping block 32 is formed with a gap, the gap is communicated with the axle hole, and the second fastener 33 passes through the two side walls of the gap to press the second clamping block 32 and the second axle 31 tightly. When it is needed to adjust the position of the second clamping block 32, the second fastener 33 is loosened, and the second clamping block 32 can be moved to a specified position along the first axle 21. Optionally, the second axle 31 is provided with a scale, so that it is convenient to adjust according to the scale, and the accuracy of the consistency of adjustment is improved.
[0043] In some embodiments, the second adjusting mechanism 20 further comprises a fourth fastener 24, the second axle 31 passes through the first clamping block 22, and the fourth fastener 24 is connected to the first clamping block 22 and is used to loosen or fix the second axle 31. In this way, when the fourth fastener 24 is loosened, the relative position of the second axle 31 and the first clamping block 22 can also be adjusted, so that the adjusting range of the test structure 50 in the third direction c is increased.
[0044] Specifically, the second axle 31 is provided in two, the two second axles 31 are arranged on the two sides of the first clamping block 22 respectively, and the two second axles 31 all pass through the second clamping block 32.
[0045] In some embodiments, the rotating structure 40 comprises a seat body 41, a third clamping block 42 and a rotating shaft 43, the seat body 41 is connected to the second clamping block 32, the third clamping block 42 is rotationally connected to the seat body 41 through the rotating shaft 43, and the third clamping block 42 is used to clamp the test structure 50. Specifically, one end of the third clamping block 42 is rotationally connected to the seat body 41 through the rotating shaft 43, and the other end of the third clamping block 42 forms a clamping opening, and the test structure 50 is clamped in the clamping opening.
[0046] Optionally, the seat body 41 is provided with a scale, so that it is convenient to adjust the rotation angle of the third clamping block 42 according to the scale, and the accuracy of the consistency of adjusting the direction of the test structure 50 is improved.
[0047] In some embodiments, the clamp further comprises a third axle 71 and a third fastener 72, the third axle 71 extends along the third direction c, the third axle 71 passes through the second clamping block 32, the third fastener 72 is used to loosen or fix the third axle 71, and the seat body 41 and the third axle 71 are detachably connected.
[0048] In this way, when the third fastener 72 is loosened, the relative position of the third axle 71 and the second clamping block 32 can also be adjusted to adjust the position of the rotating structure 40 and the test structure 50 in the third direction c, so that the adjusting range of the test structure 50 in the third direction c is increased. Optionally, the third axle 71 is provided with a scale, so that it is convenient to adjust according to the scale, and the accuracy of the consistency of adjustment is improved.
[0049] Specifically, two second sliding shafts 31 are respectively located at two sides of the second clamping block 32, and the third sliding shaft 71 is arranged between the two second sliding shafts 31, and the two second sliding shafts 31 are symmetrical relative to the third sliding shaft 71.
[0050] In some embodiments, a plurality of second adjusting mechanisms 20 are arranged on the first adjusting mechanism 10, a plurality of third adjusting mechanisms 30 are arranged on the second adjusting mechanism 20, and a plurality of test structures 50 are correspondingly arranged.
[0051] Specifically, two second adjusting mechanisms 20 are arranged on the first adjusting mechanism 10, and four third adjusting mechanisms 30 are arranged on each second adjusting mechanism 20, that is, the number of test structures 50 is eight.
[0052] The utility model also proposes a kind of testing device, and the testing device includes clamp, and the specific structure of the clamp refers to above-mentioned embodiment, since the present testing device has adopted all technical solutions of above-mentioned all embodiments, thus also have all beneficial effects brought by the technical solutions of above-mentioned embodiment, and here is not repeated.
[0053] In summary, the position adjusting mechanism can adjust the position of the test structure 50, so as to flexibly adjust the relative position of the test structure 50 and the measured piece, so that the clamp can be applied to different models and sizes of measured pieces, thereby improving the applicability of the clamp and the testing device, and the detection range can be expanded, thereby effectively improving the accuracy of the testing device test.In addition, the orientation of the test structure 50 relative to the measured piece can be adjusted by the rotating structure 40, so that the testing device can detect the measured piece from multiple angles, and the comprehensiveness and accuracy of the test can be further improved.
[0054] The above is only an optional embodiment of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of the claims of the present application.
Claims
1. A gripper for gripping a test structure (50) for detecting a device under test, characterized in that, The clamp comprises a support base (60), a position adjusting mechanism arranged on the support base (60), a rotating structure (40) arranged on the position adjusting mechanism, and a testing structure (50) arranged on the rotating structure (40), the position adjusting mechanism is used for driving the rotating structure (40) and the testing structure (50) to move synchronously along a straight line to adjust the position of the testing structure (50), the testing structure (50) is arranged in a spaced manner relative to the to-be-tested member, and the rotating structure (40) is used for adjusting the orientation of the testing structure (50) relative to the to-be-tested member.
2. The clamp of claim 1, wherein: The rotating structure (40) is used for driving the testing structure (50) to rotate around a rotation axis, so that the testing structure (50) rotates in a preset plane.
3. The clamp of claim 1, wherein: The position adjusting mechanism comprises a first adjusting mechanism (10) arranged on the support base (60), a second adjusting mechanism (20) slidingly arranged on the first adjusting mechanism (10), and a third adjusting mechanism (30) slidingly arranged on the second adjusting mechanism (20), the rotating structure (40) is slidingly arranged on the third adjusting mechanism (30), the first adjusting mechanism (10) is used for driving the second adjusting mechanism (20) to move in a first direction, the second adjusting mechanism (20) is used for driving the third adjusting mechanism (30) to move in a second direction, the third adjusting mechanism (30) is used for driving the rotating structure (40) to move in a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.
4. The clamp of claim 3, wherein: The first adjusting mechanism (10) comprises a guide rail (11) and a sliding block (12) slidingly connected to the guide rail (11), the guide rail (11) extends in the first direction, and the second adjusting mechanism (20) is connected to the sliding block (12).
5. The clamp of claim 4, wherein: The second adjusting mechanism (20) comprises a first sliding shaft (21), a first clamping block (22) and a first fastener (23), the first sliding shaft (21) is fixedly connected to the sliding block (12), the first sliding shaft (21) penetrates through the first clamping block (22) and extends in the second direction, the first fastener (23) is connected to the first clamping block (22), the first fastener (23) is used for loosening or fixing the first clamping block (22), and the third adjusting mechanism (30) is connected to the first clamping block (22).
6. The clamp of claim 5, wherein: The third adjusting mechanism (30) comprises a second sliding shaft (31), a second clamping block (32) and a second fastener (33), the second sliding shaft (31) is connected to the first clamping block (22), the second sliding shaft (31) penetrates through the second clamping block (32) and extends in the third direction, the second fastener (33) is connected to the second clamping block (32), the second fastener (33) is used for loosening or fixing the second clamping block (32), and the rotating structure (40) is connected to the second clamping block (32).
7. The clamp of claim 6, wherein: The rotating structure (40) comprises a seat body (41), a third clamping block (42) and a rotating shaft (43), the seat body (41) is connected to the second clamping block (32), the third clamping block (42) is rotatably connected to the seat body (41) through the rotating shaft (43), and the third clamping block (42) is used for clamping the test structure (50).
8. The clamp of claim 7, wherein: The clamp further comprises a third sliding shaft (71) and a third fastener (72), the third sliding shaft (71) extends along the third direction, the third sliding shaft (71) penetrates through the second clamping block (32), and the third fastener (72) is used for loosening or fixing the third sliding shaft (71); and the seat body (41) is detachably connected with the third sliding shaft (71).
9. The clamp of any one of claims 1 to 8, wherein: The test structure (50) is a microphone, and the microphone is used for collecting a noise signal generated by the to-be-tested member.
10. A test device, characterized by The clamp comprises the clamp according to any one of claims 1-9.