Sound toy decibel measuring and positioning device

Abstract

The utility model relates to the technical field of measurement, and discloses a sound toy decibel measuring and positioning device, which comprises a main body assembly, a decibel measuring box, a positioning assembly, a decibel measuring box, a sealing door hinged on one side of the decibel measuring box, a handle fixed on one side of the sealing door, and a positioning piece arranged in the decibel measuring box, and the positioning piece comprises a placing frame. The sound toy box has the beneficial effects that the sound toy can be positioned at the central position of the box, and the distances and angles of the six microphones relative to the sound production part of the toy can be kept relatively fixed and balanced, so that the difference of acoustic parameters such as sound intensity and frequency received by each microphone each time can be greatly reduced; the stability and the accuracy of a sound pressure level result obtained through final comprehensive analysis can be improved, and the real sound production condition of the toy can be reflected more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring technical field especially a sound toy decibel measurement positioning device. BACKGROUND

[0002] Sound toy decibel measurement is a professional detection activity, that is, by placing the sound toy in the specially-made box, six microphones are arranged in the box to accurately determine the sound pressure level of the sound emitted by the toy under normal working condition, which can shield external noise interference on one hand to ensure the accuracy of measurement, and on the other hand can standardize the test conditions, so that the measurement results of different toys are comparable, and it is also convenient to judge whether the toy meets the requirements by comparing the relevant safety standards, to protect the hearing health of children and the safety of toys, but the placement position of the sound toy in the box is not fixed every time, which leads to the distance and angle of the six microphones relative to the sound emitting part of the toy in a random change state, and the sound intensity, frequency and other acoustic parameters received by each microphone are different at different positions, so that the sound pressure level result obtained by the final comprehensive analysis lacks stability and accuracy, and cannot accurately reflect the real sound emission of the toy. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above and / or existing problems in the sound toy decibel measurement positioning device, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is that the position of the sound toy is not fixed, which causes the difference of the receiving parameters of the microphone, and the inaccuracy of the sound pressure level result.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a sound toy decibel measurement positioning device, which comprises a main body assembly, a decibel measurement box, a closing door hinged on one side of the decibel measurement box, and a handle fixed on one side of the closing door.

[0007] A positioning assembly is arranged in the decibel measurement box and comprises a positioning member, the positioning member comprises a placing rack, the placing rack is fixed in the decibel measurement box, a positioning plate is arranged on one side of the placing rack, a sliding plate is fixed at the bottom of the positioning plate, a hinged rod is arranged on one side of the sliding plate, and the sliding plate and the hinged rod are hinged.

[0008] As a preferred scheme of the sound toy decibel measurement positioning device, the positioning assembly further comprises a movable piece, the movable piece comprises a rotating plate, the rotating plate is hinged to one end of the articulated rod, a screw rod is inserted into the top of the rotating plate, the screw rod is movably connected to the rotating plate, and a stress plate is fixed to the top of the screw rod.

[0009] As a preferred scheme of the sound toy decibel measurement positioning device, the sliding plate is fixed with a sliding block at the bottom, the sliding block is fixed with a sliding frame at the bottom, and the sliding block and the sliding frame are movably connected.

[0010] As a preferred scheme of the sound toy decibel measurement positioning device, a rotating wheel is sleeved outside the screw rod, the rotating wheel is movably connected to the screw rod, a first spring is fixed to the bottom of the screw rod, and one end of the first spring is fixed to the inner wall of the rotating wheel.

[0011] As a preferred scheme of the sound toy decibel measurement positioning device, a belt is sleeved outside the rotating wheel, a driving wheel is arranged in the belt, and the driving wheel is rotatably connected to the inner wall of the decibel measurement box through a rotating shaft.

[0012] As a preferred scheme of the sound toy decibel measurement positioning device, the positioning assembly further comprises a limiting piece, the limiting piece comprises a rotating column, the rotating column is fixed to the bottom of the closed door, the rotating column is rotatably connected to the inner wall of the decibel measurement box through a rotating shaft, the bottom of the closed door is fixed with a torsional spring, and one end of the torsional spring is fixed to the inner wall of the decibel measurement box.

[0013] As a preferred scheme of the sound toy decibel measurement positioning device, a limiting rod is fixed to one side of the closed door, and an inclined block is arranged on one side of the limiting rod.

[0014] As a preferred scheme of the sound toy decibel measurement positioning device, an inclined block is fixed to the top of the moving column, a guide strip is fixed to the top of the moving column, a guide frame is sleeved outside the guide strip, and the guide frame is movably connected to the guide strip.

[0015] As a preferred scheme of the sound toy decibel measurement positioning device, a moving disc is sleeved outside the moving column, and a second spring is fixed to the top of the moving disc.

[0016] As a preferred scheme of the sound toy decibel measurement positioning device, the positioning assembly further comprises a moving piece, the moving piece comprises a movable column, the movable column is fixed to one side of the guide frame, one end of the movable column is fixed with a movable plate, one end of the movable plate is fixed with a clamping block, and a movable wheel is arranged on one side of the clamping block.

[0017] The sound toy can be positioned at the center position of the box, the distance and the angle of the six microphones relative to the sound generating part of the toy can be kept relatively fixed and balanced, the differences of the sound intensity, frequency and other acoustic parameters received by each microphone each time can be greatly reduced, the stability and accuracy of the sound pressure level result obtained through the final comprehensive analysis can be improved, and the real sound generating condition of the toy can be more accurately reflected. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art. Wherein:

[0019] Figure 1 It is the overall structure diagram of the sound toy decibel measurement positioning device.

[0020] Figure 2 It is the overall structure diagram of the sound toy decibel measurement positioning device.

[0021] Figure 3 It is the overall structure diagram of the sound toy decibel measurement positioning device. Figure 2 It is the local amplification structure diagram of A in the sound toy decibel measurement positioning device.

[0022] Figure 4 It is the movable column structure diagram of the sound toy decibel measurement positioning device.

[0023] Figure 5 It is the local amplification structure diagram of B in the sound toy decibel measurement positioning device. Figure 4 It is the local amplification structure diagram of B in the sound toy decibel measurement positioning device.

[0024] Figure 6 It is the movable plate structure diagram of the sound toy decibel measurement positioning device.

[0025] Figure 7 It is the stress plate section structure diagram of the sound toy decibel measurement positioning device.

[0026] Figure 8 It is the rotation wheel section structure diagram of the sound toy decibel measurement positioning device.

[0027] Figure 9Positioning device for decibel measurement of sound toy Figure 8 The local enlarged structural view at C.

[0028] In the figure: the main assembly 100; the positioning assembly 200; the decibel measurement box 101; the closing door 102; the handle 103; the positioning piece 201; the placing rack 2011; the positioning plate 2012; the sliding plate 2013; the hinged rod 2014; the movable piece 202; the rotating plate 2021; the screw rod 2022; the stress plate 2023; the sliding block 2024; the sliding frame 2025; the rotating wheel 2026; the first spring 2027; the belt 2028; the driving wheel 2029; the limiting piece 203; the rotating column 2031; the torsional spring 2032; the limiting rod 2033; the inclined block 2034; the moving column 2035; the guide bar 2036; the guide frame 2037; the moving disc 2038; the second spring 2039; the moving piece 204; the movable column 2041; the movable plate 2042; the clamping block 2043; the movable wheel 2044. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0031] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0032] Embodiment 1

[0033] Reference Figures 1-9 For the first embodiment of the present application, the embodiment provides a positioning device for decibel measurement of sound toy, the positioning device for decibel measurement of sound toy comprises a main assembly 100 and a positioning assembly 200, the two can cooperate to position the sound toy at the center of the box, can make the microphone receive parameters more stably, improve the accuracy of sound pressure level results, and reflect the real sound of the toy.

[0034] The main assembly 100 comprises a decibel measurement box 101, the decibel measurement box 101 is hinged on one side with a closing door 102, and the closing door 102 is fixed on one side with a handle 103.

[0035] Six microphones are arranged in the decibel measuring box 101, the user drives the closing door 102 to move by pulling the handle 103, then places the detected object in the middle position of the decibel measuring box 101, and then closes the closing door 102, so that the decibel of the sound toy can be measured, a glass observation window is arranged on one side of the closing door 102, so that the user can observe the sound toy, the decibel measuring box 101 is prior art and is common knowledge of the person skilled in the art, and will not be described here.

[0036] The positioning assembly 200 is arranged in the decibel measuring box 101 and comprises a positioning piece 201, the positioning piece 201 comprises a placing rack 2011, the placing rack 2011 is fixed in the decibel measuring box 101, one side of the placing rack 2011 is provided with a positioning plate 2012, the bottom of the positioning plate 2012 is fixed with a sliding plate 2013, one side of the sliding plate 2013 is provided with a hinged rod 2014, and the sliding plate 2013 and the hinged rod 2014 are hinged.

[0037] The sound toy is placed on the surface of the placing rack 2011, then the two sliding plates 2013 are moved to drive the two positioning plates 2012 to move towards each other, at this time, the sound toy placed on the surface of the placing rack 2011 is fixed in the middle position in the decibel measuring box 101 through the movement of the positioning plate 2012, so that the sound toy can be detected, and the sliding plate 2013 can be moved through the movement of the hinged rod 2014.

[0038] Embodiment 2

[0039] Reference Figures 2-9 This is the second embodiment of the utility model, and the embodiment is based on the previous embodiment.

[0040] Specifically, the positioning assembly 200 further comprises a movable piece 202, the movable piece 202 comprises a rotating plate 2021, one end of the rotating plate 2021 and the hinged rod 2014 are hinged, the rotating plate 2021 is inserted with a screw rod 2022 at the top, the screw rod 2022 and the rotating plate 2021 are movably connected, and the screw rod 2022 is fixed with a stress plate 2023 at the top.

[0041] When the sound toy is placed in the decibel measuring box 101, the sound toy is on the surface of the stress plate 2023 at this time, the screw rod 2022 is moved in the rotating plate 2021 by extruding the stress plate 2023, so that the sound toy can be rotated, at this time, the two hinged rods 2014 are moved towards each other by rotating the rotating plate 2021, so that the positioning plate 2012 is moved towards each other to clamp the sound toy.

[0042] Specifically, the bottom of the sliding plate 2013 is fixed with a sliding block 2024, the bottom of the sliding block 2024 is fixed with a sliding frame 2025, and the sliding block 2024 and the sliding frame 2025 are slidably connected.

[0043] The sliding block 2024 is fixed to the inner wall of the decibel measuring box 101, and can drive the sliding block 2024 to slide on the sliding plate 2013 when the sliding plate 2013 moves, thereby supporting the sliding plate 2013 and preventing the sliding plate 2013 from deviating when moving.

[0044] Specifically, the outer side of the screw rod 2022 is sleeved with a rotating wheel 2026, the rotating wheel 2026 is movably connected with the screw rod 2022, the bottom of the screw rod 2022 is fixed with a first spring 2027, and one end of the first spring 2027 is fixed to the inner wall of the rotating wheel 2026.

[0045] The rotating wheel 2026 is rotatably connected with the inner wall of the decibel measuring box 101 through a bearing, and is fixed to the bottom of the rotating plate 2021. A spiral groove corresponding to the screw rod 2022 is formed in the rotating wheel 2026. When the screw rod 2022 moves, the spiral groove can be extruded to make the rotating wheel 2026 rotate. At this time, the rotation of the rotating wheel 2026 can drive the rotating plate 2021 to rotate. When the screw rod 2022 is extruded, the first spring 2027 can be extruded. At this time, the positioning plate 2012 can be driven to clamp the sound toy. When the screw rod 2022 is loosened, the force of the first spring 2027 can drive the screw rod 2022 to return to the original position, so that the rotating plate 2021 can be rotated, and the clamping of the sound toy can be released, so that it can be removed.

[0046] Specifically, the outer side of the rotating wheel 2026 is sleeved with a belt 2028, and the belt 2028 is provided with a driving wheel 2029. The driving wheel 2029 is rotatably connected with the inner wall of the decibel measuring box 101 through a rotating shaft.

[0047] When the rotating wheel 2026 rotates, the belt 2028 can be driven to rotate. At this time, the driving wheel 2029 can be driven to rotate through the rotation of the belt 2028. In order to prevent the force of the first spring 2027 from driving the screw rod 2022 to return to the original position, the driving wheel 2029 can be limited, so that the rotating wheel 2026 can be limited, thereby preventing the force of the first spring 2027 from driving the screw rod 2022 to return to the original position.

[0048] Specifically, the positioning assembly 200 further comprises a limiting piece 203, and the limiting piece 203 comprises a rotating column 2031 fixed to the bottom of the sealing door 102. The rotating column 2031 is rotatably connected with the inner wall of the decibel measuring box 101 through a rotating shaft. The bottom of the sealing door 102 is fixed with a torsional spring 2032, and one end of the torsional spring 2032 is fixed to the inner wall of the decibel measuring box 101.

[0049] When the closing door 102 is closed, the rotating column 2031 can be driven to rotate, and the torsional force can be applied to the torsion spring 2032 through the rotation of the rotating column 2031; when the sound toy needs to be taken out, the closing door 102 can be opened through the rotating force of the torsion spring 2032, so that the sound toy can be taken out from the decibel measuring box 101.

[0050] Specifically, the closing door 102 is fixed with a limiting rod 2033 on one side, and the limiting rod 2033 is provided with an inclined block 2034 on one side.

[0051] When the closing door 102 is closed, the limiting rod 2033 can extrude the inclined block 2034 to move, and when the limiting rod 2033 moves to the other side of the inclined block 2034, the inclined block 2034 returns to the original position, so that the limiting rod 2033 can be limited, and the rotating force of the torsion spring 2032 can be prevented from driving the closing door 102 to open.

[0052] Embodiment 3

[0053] Reference Figures 1-9 For the third embodiment of the utility model, the embodiment is based on the previous two embodiments.

[0054] Specifically, the inclined block 2034 is fixed with a moving column 2035 on the top, the moving column 2035 is fixed with a guide strip 2036 on the top, the guide strip 2036 is sleeved with a guide frame 2037 on the outside, and the guide frame 2037 and the guide strip 2036 are movably connected.

[0055] A guide groove corresponding to the guide strip 2036 is formed in the guide frame 2037, the guide frame 2037 can be moved by pulling the pull rod on one side of the guide frame 2037, the guide groove can extrude the guide strip 2036, so that the moving column 2035 can be moved, and the inclined block 2034 can be separated from the limiting rod 2033 through the movement of the moving column 2035, so that the limiting of the closing door 102 can be released.

[0056] Specifically, the moving column 2035 is sleeved with a moving disc 2038 on the outside, and the moving disc 2038 is fixed with a second spring 2039 on the top.

[0057] The moving column 2035 is sleeved with a supporting sleeve outside. The supporting sleeve is movably connected with the moving column 2035 and is fixed to one side of the decibel measuring box 101. The supporting sleeve can support the moving column 2035 and prevent the moving column 2035 from deviating. When the moving column 2035 drives the inclined block 2034 to separate from the limiting rod 2033, the moving disc 2038 is driven to move and press the second spring 2039. One end of the second spring 2039 is fixed to the inner wall of the supporting sleeve. After the limiting of the closed door 102 is released, the elastic force of the second spring 2039 can drive the inclined block 2034 to return to the original position for next use.

[0058] Specifically, the positioning assembly 200 further comprises a moving piece 204. The moving piece 204 comprises a movable column 2041. One end of the movable column 2041 is fixedly connected with an activity plate 2042. One end of the activity plate 2042 is fixedly connected with a clamping block 2043. One side of the clamping block 2043 is provided with a movable wheel 2044.

[0059] The movable column 2041 is inserted into one side of the decibel measuring box 101. A sealing ring is sleeved outside the movable column 2041 and is fixed to one side of the decibel measuring box 101. The sealing ring can effectively reduce sound leakage. When the guiding frame 2037 moves, the movable column 2041 can be driven to move. The movement of the movable column 2041 can drive the activity plate 2042 to move. The movement of the activity plate 2042 can drive the clamping block 2043 to move and separate from the movable wheel 2044, so as to release the limiting of the driving wheel 2029 and the rotating wheel 2026. The elastic force of the first spring 2027 can drive the spiral rod 2022 to return to the original position. The clamping of the sound toy can be released.

[0060] A beveled clamping groove is formed in one side of the movable wheel 2044. The clamping block 2043 is provided with a bevel and is clamped with the beveled clamping groove. When the spiral rod 2022 is pressed to drive the rotating wheel 2026 to rotate, the movable wheel 2044 can be driven to rotate. The clamping block 2043 does not limit the movable wheel 2044. The clamping of the clamping block 2043 and the beveled clamping groove can limit the movable wheel 2044 in one direction, so as to prevent the elastic force of the first spring 2027 from driving the spiral rod 2022 to return to the original position.

[0061] The movable strip is fixed on one side of the movable plate 2042, a positioning sleeve is arranged outside the movable strip, the positioning sleeve and the movable strip are movably connected, the positioning sleeve is fixed on the inner wall of the decibel measuring box 101, a return spring is fixed in the positioning sleeve, one end of the return spring is fixed on one end of the movable strip, when the clamping block 2043 is separated from the inclined clamping groove, the movable column 2041 can be driven to move, the movable column 2041 can drive the movable plate 2042 to move through the movement, the movable plate 2042 can drive the movable strip to exert a pressing force on the return spring through the movement, and then the movable strip can return to the original position through the elastic force of the return spring, so that the clamping block 2043 and the inclined clamping groove are re-clamped, and the movable strip can be supported through the arrangement of the positioning sleeve to prevent the movable strip from deviating.

[0062] In use, first, the sound toy to be detected is placed on the stress plate 2023, and then the stress plate 2023 is pressed to drive the screw rod 2022 to move, the screw rod 2022 can press the screw groove to drive the rotating wheel 2026 to rotate when moving in the rotating wheel 2026, and the first spring 2027 can be pressed at the same time, the rotating plate 2021 can be driven to rotate when the rotating wheel 2026 rotates, the two hinged rods 2014 can be moved towards each other through the rotation of the rotating plate 2021, the sliding plate 2013 can be moved through the movement of the hinged rod 2014, and then the two positioning plates 2012 can be moved towards each other through the movement of the two sliding plates 2013, the sound toy placed on the surface of the placing rack 2011 can be fixed at the central position in the decibel measuring box 101 through the movement of the positioning plate 2012, so that the sound toy can be detected, and the sliding plate 2013 can be supported through the sliding of the sliding block 2024 on the sliding plate 2013 when the sliding plate 2013 moves, so that the sliding plate 2013 is prevented from deviating when moving.

[0063] After the fixing is completed, the handle 103 can be moved to drive the closing door 102 to close, the rotating column 2031 can be driven to rotate when the closing door 102 is closed, the torsional force of the torsional spring 2032 can be exerted on the torsional spring 2032 through the rotation of the rotating column 2031, the limiting rod 2033 can be moved by moving the closing door 102, so that the inclined block 2034 is pressed, the inclined block 2034 can be moved by pressing the inclined block 2034, the moving column 2035 can be moved by the movement of the inclined block 2034, the moving disc 2038 can be moved by the movement of the moving column 2035, and the pressing force of the second spring 2039 can be exerted on the second spring 2039, when the limiting rod 2033 moves to the other side of the inclined block 2034, the inclined block 2034 returns to the original position through the elastic force of the second spring 2039, at this time, the sound toy is already in the central position, and then the limiting rod 2033 can be limited to prevent the closing door 102 from being opened by the rotating force of the torsional spring 2032.

[0064] After the sound toy is detected, the guiding frame 2037 can be moved by pulling the pull rod on one side of the guiding frame 2037, so that the guiding groove can extrude the guiding strip 2036, thereby driving the moving column 2035 to move, at this time, the inclined block 2034 and the limiting rod 2033 can be separated by the movement of the moving column 2035, thereby releasing the limiting of the closing door 102, the closing door 102 can be opened by the force of the torsional spring 2032 at this time, and the movable column 2041 can be moved by the movement of the guiding frame 2037 at this time, the movable plate 2042 can be moved by the movement of the movable column 2041, the clamping block 2043 can be moved by the movement of the movable plate 2042, so that the clamping block 2043 is separated from the movable wheel 2044, thereby releasing the limiting of the driving wheel 2029, and further releasing the limiting of the rotating wheel 2026, at this time, the spiral rod 2022 can be returned to the original position by the force of the first spring 2027, the rotating wheel 2026 can be reversed when the spiral rod 2022 is returned to the original position, and then the positioning plate 2012 can be returned to the original position, so as to be used next time.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A sound toy decibel measurement positioning device, characterized by: The utility model relates to a sound pressure level measuring device, including, The body assembly (100) includes a decibel measuring box (101), one side of the decibel measuring box (101) is hinged with a closing door (102), and one side of the closing door (102) is fixedly provided with a handle (103); The positioning assembly (200) is arranged in the decibel measuring box (101) and includes a positioning piece (201), the positioning piece (201) includes a placing rack (2011) fixed in the decibel measuring box (101), one side of the placing rack (2011) is provided with a positioning plate (2012), the bottom of the positioning plate (2012) is fixedly provided with a sliding plate (2013), one side of the sliding plate (2013) is provided with a hinged rod (2014), and the sliding plate (2013) and the hinged rod (2014) are hinged.

2. The sound toy decibel measuring positioning device of claim 1, wherein: The positioning assembly (200) further includes a movable piece (202), the movable piece (202) includes a rotating plate (2021), one end of the rotating plate (2021) and the hinged rod (2014) are hinged, the top of the rotating plate (2021) is inserted with a screw rod (2022), the screw rod (2022) and the rotating plate (2021) are movably connected, the top of the screw rod (2022) is fixedly provided with a stress plate (2023).

3. The sound toy decibel measuring positioning device of claim 2, wherein: The bottom of the sliding plate (2013) is fixedly provided with a sliding block (2024), the bottom of the sliding block (2024) is fixedly provided with a sliding frame (2025), and the sliding block (2024) and the sliding frame (2025) are slidably connected.

4. The sound toy decibel measuring positioning device of claim 3, wherein: The outer side of the screw rod (2022) is sleeved with a rotating wheel (2026), the rotating wheel (2026) and the screw rod (2022) are movably connected, the bottom of the screw rod (2022) is fixedly provided with a first spring (2027), and one end of the first spring (2027) is fixed to the inner wall of the rotating wheel (2026).

5. The sound toy decibel measuring positioning device of claim 4, wherein: The outer side of the rotating wheel (2026) is sleeved with a belt (2028), the belt (2028) is provided with a driving wheel (2029) in the inner side, and the driving wheel (2029) is rotatably connected with the inner wall of the decibel measuring box (101) through a rotating shaft.

6. The sound toy decibel measuring positioning device of claim 5, wherein: The positioning assembly (200) further includes a limiting piece (203), the limiting piece (203) includes a rotating column (2031), the rotating column (2031) is fixed to the bottom of the closing door (102), the rotating column (2031) is rotatably connected with the inner wall of the decibel measuring box (101) through a rotating shaft, the bottom of the closing door (102) is fixedly provided with a torsional spring (2032), and one end of the torsional spring (2032) is fixed to the inner wall of the decibel measuring box (101).

7. The sound toy decibel measuring positioning device of claim 6, wherein: One side of the closing door (102) is fixedly provided with a limiting rod (2033), and one side of the limiting rod (2033) is provided with an inclined block (2034).

8. The sound toy decibel measuring positioning device of claim 7, wherein: The inclined block (2034) top is fixed with a moving column (2035), the moving column (2035) top is fixed with a guide strip (2036), the guide strip (2036) outside is sleeved with a guide frame (2037), and the guide frame (2037) and the guide strip (2036) are movably connected.

9. The sound toy decibel measuring positioning device of claim 8, wherein: The moving column (2035) outside is sleeved with a moving disc (2038), and the moving disc (2038) top is fixed with a second spring (2039).

10. The sound toy decibel measuring positioning device of claim 9, wherein: The positioning assembly (200) further includes a moving piece (204), the moving piece (204) includes a movable column (2041), the movable column (2041) is fixed on one side of the guide frame (2037), one end of the movable column (2041) is fixed with a movable plate (2042), one end of the movable plate (2042) is fixed with a clamping block (2043), and one side of the clamping block (2043) is provided with a movable wheel (2044).

Images