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CN-224231236-U - Noise reduction turnover mechanism and sound insulation box

CN224231236UCN 224231236 UCN224231236 UCN 224231236UCN-224231236-U

Abstract

The utility model relates to the technical field of testing, and discloses a noise reduction turnover mechanism and a sound insulation box, which solve the problems that a first base is used for fixing a first component of a test piece, a second base is elastic, and a rotating assembly comprises a swing arm, an elastic coupler and a first power component, wherein the swing arm is rotatably arranged on the second base and is used for fixing the second component of the test piece, and the first power component is connected with the swing arm through the elastic coupler so as to enable the swing arm to rotate.

Inventors

  • YANG JINJIE
  • CHEN LONG
  • CHENG HUALI

Assignees

  • 珠海精实测控技术股份有限公司

Dates

Publication Date
20260512
Application Date
20231206

Claims (10)

  1. 1. A noise reduction turnover mechanism, comprising: a first base (100) for fixing a first member of a test piece; a second chassis (200), the second chassis (200) having elasticity; The rotating assembly (300) comprises a swing arm (310), an elastic coupler (320) and a first power piece (330), wherein the swing arm (310) is rotatably arranged on the second base (200), the swing arm (310) is used for fixing a second part of a test piece, and the first power piece (330) is connected with the swing arm (310) through the elastic coupler (320) so that the swing arm (310) rotates.
  2. 2. The noise reduction turnover mechanism of claim 1, wherein the second base (200) comprises a fixed support (210), a first elastic support (220) and a second elastic support (230), the first elastic support (220) and the second elastic support (230) are respectively arranged on two sides of the first base (100), two ends of the fixed support (210) are respectively arranged on the first elastic support (220) and the second elastic support (230), and the swing arm (310) is arranged on the fixed support (210).
  3. 3. The noise reduction turnover mechanism of claim 1, wherein the first base (100) is provided with a plurality of first positioning pieces (110), and the first positioning pieces (110) are used for fixing a first component of a test piece.
  4. 4. The noise reduction and turnover mechanism of claim 3, wherein said first positioning member (110) is a suction cup.
  5. 5. The noise reduction turnover mechanism of claim 1, wherein the swing arm (310) is provided with a plurality of second positioning pieces (311), and the second positioning pieces (311) are used for fixing second parts of the test piece.
  6. 6. The noise reduction turnover mechanism of claim 5, wherein said second positioning member (311) is a suction cup.
  7. 7. The noise reduction turnover mechanism of claim 1, wherein the first base (100) is provided with a limiting arm (120), the limiting arm (120) is arranged behind the swing arm (310), and the limiting arm (120) can be abutted with the swing arm (310).
  8. 8. The noise reduction turnover mechanism of claim 1, wherein the swing arm (310) is provided with a rotation center rod (312), the rotation center rod (312) is arranged in the extending direction of the elastic coupling (320), and the rotation center rod (312) is used for positioning the rotation center of the test piece.
  9. 9. The noise reduction turnover mechanism of claim 1, wherein the swing arm (310) comprises a rotating shaft (313) and a positioning shaft (314), the rotating shaft (313) is rotatably arranged on the base, the rotating shaft (313) is provided with a plurality of positioning holes, and the positioning shaft (314) is installed in the positioning holes.
  10. 10. A sound-insulating box comprising a noise-reducing turnover mechanism according to any one of claims 1 to 9.

Description

Noise reduction turnover mechanism and sound insulation box Technical Field The utility model relates to the technical field of testing, in particular to a noise reduction turnover mechanism and a sound insulation box. Background The conventional test method is to manually turn over the electronic product to test the durability of the rotating shaft of the electronic product such as a mobile phone, a notebook computer and the like. The manual overturning test cannot have the result of an actual data supporting test, and the overturning times, the overturning positions, the overturning forces and the overturning frequencies cannot be counted, so that the durability test of the rotating shaft of the electronic product cannot be accurately performed, and the durability of the rotating shaft of the electronic product cannot be accurately evaluated. The existing overturning testing device is characterized in that the driving motor, the base and the rotating assembly are connected together, sound is transmitted through connecting parts among the driving motor, the base and the rotating assembly, testing results are easy to interfere, and testing effects are affected. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the noise reduction turnover mechanism, which can reduce the mutual interference of the structures in the test equipment and obtain more accurate results. According to an embodiment of the utility model, a noise reduction turnover mechanism comprises: A first base for fixing a first member of the test piece; a second base having elasticity; The rotating assembly comprises a swing arm, an elastic coupling and a first power piece, wherein the swing arm is rotatably arranged on the second base and is used for fixing a second part of the test piece, and the first power piece is connected with the swing arm through the elastic coupling so that the swing arm rotates. According to some embodiments of the utility model, the second base comprises a fixed support, a first elastic support and a second elastic support, the first elastic support and the second elastic support are respectively arranged at two sides of the first base, two ends of the fixed support are respectively arranged at the first elastic support and the second elastic support, and the swing arm is arranged at the fixed support. According to some embodiments of the utility model, the first base is provided with a plurality of first positioning members for fixing the first part of the test piece. According to some embodiments of the utility model, the first positioning member is a suction cup. According to some embodiments of the utility model, the swing arm is provided with a plurality of second positioning members for fixing the second part of the test piece. According to some embodiments of the utility model, the second positioning member is a suction cup. According to some embodiments of the utility model, the first base is provided with a limiting arm, the limiting arm is arranged at the rear of the swing arm, and the limiting arm can be abutted with the swing arm. According to some embodiments of the utility model, the swing arm is provided with a rotation center rod, the rotation center rod is arranged in the extending direction of the elastic coupling, and the rotation center rod is used for positioning the rotation center of the test piece. According to some embodiments of the utility model, the swing arm comprises a rotating shaft and a positioning shaft, the rotating shaft is rotatably arranged on the base, the rotating shaft is provided with a plurality of positioning holes, and the positioning shaft is installed in the positioning holes. On the other hand, the sound insulation box according to the embodiment of the utility model comprises the noise reduction turnover mechanism according to the above embodiment of the utility model. The embodiment of the utility model has at least the following beneficial effects: The first base and the second base are also arranged on the frame, the first base is fixedly arranged on the frame, the second base has elasticity, vibration between the frame and the second base can be reduced, the rotating assembly is arranged on the second base, the rotating assembly is not contacted with the first base, and further sound interference between the swing arm and the first base is reduced; the elastic coupling contains an elastic compound of pre-pressed rubber, can provide extra strength and prolong the service life, can accommodate all types of deviation, is made of high-strength aluminum alloy, is light and corrosion-resistant, is mainly used for damping, and enables power transmission to be smooth and quiet, so that driving force and driving machines are protected, and the first power part is easy to make sound. Additional aspects and advantages of the utility model will be set forth