Noise measuring instrument

Abstract

The utility model discloses a noise measuring instrument, which comprises a measuring assembly, the measuring assembly comprises a measuring instrument main body, the upper side of the measuring instrument main body is provided with an extension rod, the upper side of the extension rod is provided with a measuring head, and the front side of the measuring instrument main body is provided with a control panel. A limiting ring on the outer side of a connecting rod is rotated and moved upwards through threads, so that a fixing block arranged at the lower end of the connecting rod is exposed, a rotating block connected to the fixing block through a first rotating shaft rotates outwards, a support at the lower end of the rotating block is driven to be unfolded, and the measuring instrument body can stably measure noise through supporting of the three-side support. Therefore, the measurement effect is improved, and the influence of noise on the mind and body of measurement personnel when the measurement instrument is held by hand is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a noise measuring instrument. Background Art

[0002] Noise pollution is one of the most influential environmental pollutions. High-decibel noise can even cause serious damage to the human eardrum. The running of vehicles on the road can also cause a lot of noise, affecting the normal life of residents in the roadside areas. The existing noise measuring instrument can be held in hand when in use, which is convenient for the instrument to measure the noise. However, if long-term measurement is required, if it only relies on hand-holding, the noise will affect the user's physical and mental health. At the same time, holding the measuring instrument for a long time also requires a lot of physical strength from the user. Utility Model Content

[0003] The purpose of this section is to summarize 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 name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems and / or the problems existing in the existing noise measuring instruments, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a noise measuring instrument. When performing long-term noise measurement, the structure in the original hand-held position is opened and supported at the measurement location as a bracket. The user does not need to hold the instrument for a long time for measurement, thereby avoiding the impact of noise on the physical and mental health of the measurement personnel and measuring the noise more stably.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A noise measuring instrument comprising:

[0008] The measuring assembly comprises a measuring instrument body, an extension rod is arranged on the upper side of the measuring instrument body, a measuring head is arranged on the upper side of the extension rod, and a control panel is arranged on the front side of the measuring instrument body;

[0009] The support assembly includes a connecting rod arranged at the lower side of the measuring instrument body, the connecting rod is provided with a thread, a limiting ring is arranged on the outer side of the connecting rod, a fixed block is arranged at the lower side of the connecting rod, a rotating block is arranged at the inner side of the fixed block, a first rotating shaft is arranged at the inner side of the fixed block and passes through the rotating block, and a bracket is arranged at the lower side of the rotating block.

[0010] As a preferred solution of the noise measuring instrument described in the utility model, a fixing ring is arranged on the upper side of the measuring instrument body, and a sliding groove is opened on the inner side of the fixing ring.

[0011] As a preferred solution of the noise measuring instrument described in the utility model, a movable plate is arranged in the sliding groove of the fixed ring, and a wind shield is arranged on the upper side of the movable plate.

[0012] As a preferred solution of the noise measuring instrument described in the utility model, a hollow groove is provided on the inner side of the bracket, and a slot hole is provided on the inner side of the hollow groove.

[0013] As a preferred solution of the noise measuring instrument described in the utility model, a limiting column is arranged at the lower side of the connecting rod, and a limiting block is arranged at the lower side of the limiting column.

[0014] As a preferred solution of the noise measuring instrument described in the utility model, a moving ring is arranged on the outer side of the limiting column, and a protruding block is arranged on the outer side of the moving ring.

[0015] As a preferred solution of the noise measuring instrument described in the utility model, a rotating plate is arranged on the outer side of the protruding block, and an axle is arranged on the inner side of the rotating plate to be rotatably connected with the protruding block.

[0016] As a preferred solution of the noise measuring instrument described in the utility model, a limiting frame is arranged at the other end of the rotating plate, a second rotating shaft is arranged at the other end of the limiting frame, and the second rotating shaft is fixed in the slot hole of the empty slot.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when measuring noise, the limit ring on the outside of the connecting rod is rotated upward through the thread, so that the fixed block arranged at the lower end of the connecting rod is exposed, and the rotating block connected to the fixed block by the first rotating shaft rotates outward, driving the bracket at the lower end of the rotating block to unfold, and the main body of the measuring instrument can stably measure the noise through the support of the three-sided bracket, thereby improving the measurement effect and avoiding the influence of noise on the physical and mental health of the measuring personnel when measuring with a handheld measuring instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of the noise measuring instrument of the utility model;

[0020] Figure 2 This is a schematic diagram of the expanded structure of the noise measuring instrument of the utility model;

[0021] Figure 3 This is a schematic diagram of the measurement structure of the noise measuring instrument of the utility model;

[0022] Figure 4 It is a partial structural schematic diagram of the noise measuring instrument of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the support assembly of the noise measuring instrument of the utility model;

[0024] Figure 6 The figure is a schematic diagram of the limit structure of the noise measuring instrument of the utility model. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides a noise measuring instrument. When grapes are stored for preservation and long-term noise measurement is performed, the structure in the original hand-held position is opened and supported at the measurement location as a bracket. The user does not need to hold the instrument for a long time for measurement, thereby avoiding the influence of noise on the physical and mental health of the measurement personnel and more stably measuring the noise.

[0029] Figure 1-Figure 6 The figure shows the overall structure of the noise measuring instrument of the utility model. Figure 1-Figure 6 The noise measuring instrument of this embodiment has a main body including a measuring component and a supporting component.

[0030] The measuring assembly includes a measuring instrument body 1, an extension rod 2 is arranged on the upper side of the measuring instrument body 1, a measuring head 3 is arranged on the upper side of the extension rod 2, a control panel 4 is arranged on the front side of the measuring instrument body 1, a fixing ring 12 is arranged on the upper side of the measuring instrument body 1, a sliding groove is opened on the inner side of the fixing ring 12, a moving plate 13 is arranged in the sliding groove of the fixing ring 12, and a wind shield 14 is arranged on the upper side of the moving plate 13.

[0031] The support assembly includes a connecting rod 5 arranged at the lower side of the measuring instrument body 1, a thread 7 is provided on the connecting rod 5, a limiting ring 6 is arranged on the outer side of the connecting rod 5, a fixed block 8 is arranged at the lower side of the connecting rod 5, a rotating block 9 is arranged inside the fixed block 8, a first rotating shaft is arranged inside the fixed block 8 to pass through the rotating block 9, and a bracket 10 is arranged at the lower side of the rotating block 9. Specifically, in this embodiment, when measuring noise, the limiting ring 6 on the outer side of the connecting rod 5 is rotated upward through the thread 7 to expose the fixed block 8 arranged at the lower end of the connecting rod 5, and the rotating block 9 connected to the fixed block 8 by the first rotating shaft rotates outward, driving the bracket 10 at the lower end of the rotating block 9 to unfold, and the measuring instrument body 1 can stably measure the noise through the support of the three-sided bracket 10, thereby improving the measurement effect and avoiding the influence of noise on the physical and mental health of the measuring personnel when measuring with a handheld measuring instrument.

[0032] Combination Figure 1-Figure 6 The specific usage process of the noise meter of this embodiment is as follows: when measuring noise, the measuring head 3 on the upper side of the extension rod 2 detects the noise, and the result is displayed on the display screen of the control panel 4 on the front side of the measuring instrument body 1. When support is needed, the limit ring 6 on the outside of the connecting rod 5 is rotated and moved upward through the thread 7 to expose the fixed block 8 set at the lower end of the connecting rod 5, and the rotating block 9 connected to the fixed block 8 by the first rotating shaft rotates outward, driving the bracket 10 at the lower end of the rotating block 9 to unfold. With the support of the three-sided bracket 10, the measuring instrument body 1 can stably measure the noise. A fixed ring 12 is provided on the upper side of the measuring instrument body 1, and a movable plate 13 with a wind shield 14 can move in the slide groove opened on the fixed ring 12. During measurement, the wind shield 14 can block the wind for the measuring head 3 to avoid affecting the measurement accuracy.

[0033] In this embodiment, when performing noise detection, the three-end bracket 10 is unfolded to provide support for the measuring instrument body 1. It is necessary to improve the stability of the bracket 10 when it is unfolded. For this purpose, please refer to Figure 1-Figure 6In the present embodiment, a hollow groove 11 is provided on the inner side of the bracket 10, a slot hole is provided on the inner side of the hollow groove 11, a limiting column 15 is provided on the lower side of the connecting rod 5, a limiting block 16 is provided on the lower side of the limiting column 15, a moving ring 17 is provided on the outer side of the limiting column 15, a protruding block 18 is provided on the outer side of the moving ring 17, a rotating plate 19 is provided on the outer side of the protruding block 18, an axis body is provided on the inner side of the rotating plate 19 and is rotatably connected with the protruding block 18, a limiting frame 20 is provided on the other end of the rotating plate 19, a second rotating shaft is provided on the other end of the limiting frame 20, and the second rotating shaft is fixed in the slot hole of the hollow groove 11. In this embodiment, in order to better limit the bracket 10, when it is unfolded, since one end of the limit frame 20 is connected to the empty groove 11 in the bracket 10 through the second rotating shaft, during the unfolding process of the bracket 10, the limit frame 20 and the raised block 18 connected to one end thereof are pulled to make the movable ring 17 move on the limit column 15 and stop above the limit block 16, thereby limiting the bracket 10 on three sides, so that the placement of the measuring instrument is more stable when it is unfolded.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A noise measuring instrument, characterized in that: include: A measuring assembly comprises a measuring instrument body (1), an extension rod (2) is arranged on the upper side of the measuring instrument body (1), a measuring head (3) is arranged on the upper side of the extension rod (2), and a control panel (4) is arranged on the front side of the measuring instrument body (1); The support assembly comprises a connecting rod (5) arranged at the lower side of the measuring instrument body (1), a thread (7) being provided on the connecting rod (5), a limit ring (6) being provided on the outer side of the connecting rod (5), a fixed block (8) being provided at the lower side of the connecting rod (5), a rotating block (9) being provided at the inner side of the fixed block (8), a first rotating shaft being provided at the inner side of the fixed block (8) and passing through the rotating block (9), and a bracket (10) being provided at the lower side of the rotating block (9).

2. The noise measuring instrument according to claim 1, characterized in that: A fixing ring (12) is arranged on the upper side of the measuring instrument body (1), and a sliding groove is arranged on the inner side of the fixing ring (12).

3. The noise measuring instrument according to claim 2, characterized in that: A movable plate (13) is arranged in the sliding groove of the fixed ring (12), and a windshield plate (14) is arranged on the upper side of the movable plate (13).

4. The noise measuring instrument according to claim 3, characterized in that: An empty slot (11) is provided inside the bracket (10), and a slot hole is provided inside the empty slot (11).

5. The noise measuring instrument according to claim 4, characterized in that: A limiting column (15) is arranged at the lower side of the connecting rod (5), and a limiting block (16) is arranged at the lower side of the limiting column (15).

6. The noise measuring instrument according to claim 5, characterized in that: A moving ring (17) is arranged on the outside of the limiting column (15), and a protruding block (18) is arranged on the outside of the moving ring (17).

7. The noise measuring instrument according to claim 6, characterized in that: A rotating plate (19) is arranged on the outer side of the protruding block (18), and an axle is arranged on the inner side of the rotating plate (19) and is rotatably connected to the protruding block (18).

8. The noise measuring instrument according to claim 7, characterized in that: A limiting frame (20) is arranged at the other end of the rotating plate (19), and a second rotating shaft is arranged at the other end of the limiting frame (20), and the second rotating shaft is fixed in the slot hole of the empty slot (11).

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