Anti-interference digital noise meter
By designing an anti-interference digital noise meter, using a clamping sleeve structure and a mechanical locking mechanism, the problem of digital noise meter being susceptible to interference and damage during use is solved, and stable fixation and efficient protection are achieved.
Patent Information
- Application Number
- CN202421617505.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-10
AI Technical Summary
Existing digital noise meters are susceptible to external touch and interference during use, resulting in unstable tests and easily damaged by bumps.
An anti-interference digital noise meter is designed, adopting a combined structure of the first clamping sleeve and the second clamping sleeve. Through mechanical structures such as elastic bands, fixing parts, slide chutes and locking mechanisms, stable fixing and protection of the noise meter body is achieved.
It realizes sufficient and stable fixation of the noise meter, avoids interference and collision, and is quickly installed and fixed as needed, ensuring stability after installation, greatly enhancing its protective performance and flexibility.
Smart Images

Figure CN222864539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of digital noise meters, in particular to an interference-proof digital noise meter. Background Art
[0002] With the acceleration of urbanization and the improvement of industrialization, noise pollution has become a serious problem affecting people's lives and health. In order to monitor and evaluate noise pollution, digital noise meters came into being. Digital noise meters are advanced instruments used to measure environmental noise levels. Compared with traditional noise meters, digital noise meters use digital technology and have higher accuracy and a wider range of applications. They can monitor noise levels in real time and record and transmit data in digital form, providing an important basis for noise management and control.
[0003] However, during the use of digital noise meters, they need to be placed in the corresponding area for monitoring. However, after being placed, they are easily touched and disturbed by the outside world, which in turn causes unstable tests. They are also easily damaged by bumps. For this reason, we propose an anti-interference digital noise meter to solve the above problems. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an anti-interference digital noise meter.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A digital noise meter for preventing interference comprises a first clamping sleeve and a second clamping sleeve, both sides of the first clamping sleeve are provided with mounting grooves, a plurality of second limiting holes are provided at equal intervals in the mounting grooves, a plug rod is penetrated in one of the limiting holes, three limiting plug holes are provided at equal intervals on one side of the upper end of the mounting groove, an elastic band is connected to the upper end of the first clamping sleeve, one end of the first clamping sleeve is rotatably connected to a fixing member, a first connecting rod is rotatably connected to the fixing member, two sliding grooves are provided on one side of the second clamping sleeve, a slider is installed in the sliding groove, one end of a first connecting rod on the same side penetrates the side wall of the sliding groove and is fixed to one end of the slider, a locking mechanism is provided on one side of the slider, two positioning blocks are fixed on the upper end of the second clamping sleeve, the positioning block is provided with a first limiting hole, two second connecting rods are fixed to one end of the second clamping sleeve, one end of the second connecting rod is connected to an arc-shaped protective sleeve, mounting plates are fixed on both sides of the first clamping sleeve, two mounting holes are provided on the mounting plate, and a noise meter body is clamped between the first clamping sleeve and the second clamping sleeve.
[0007] Preferably, the locking mechanism comprises a stud penetrating one side of the slider, a plurality of threaded through holes are evenly spaced on one side of the slide slot, and one end of the stud penetrates one of the threaded through holes and extends into the slider.
[0008] Preferably, the arc-shaped protective sleeve is formed by hingedly connecting two semi-arc-shaped protective sleeves, wherein one of the semi-arc-shaped protective sleeves is fixed to one end of the second connecting rod.
[0009] Preferably, a plug plate is plugged into one side of the first clamping sleeve, and one end of the noise meter body abuts against one side of the plug plate.
[0010] Preferably, rubber sleeves are provided on the inner sides of the first clamping sleeve and the second clamping sleeve.
[0011] Preferably, a plurality of support rods are threadedly connected to one side of the lower end of the first clamping sleeve, and the support rods are threadedly connected to each other, and a support seat is fixed to the lower end of one of the support rods.
[0012] In the utility model, when the noise meter needs to be used, half of the arc-shaped protective cover is opened, the noise meter body is passed through the elastic band, the bottom is against one side of the plug plate, and then the second clamping cover is buckled so that the positioning block passes through the corresponding limiting plug hole, and then the plug rod is inserted into the first limiting hole and the second limiting hole to achieve fixation, and then the other half of the arc-shaped protective cover is closed, and the mounting plate is used to install it on the corresponding wall or vehicle body as needed, or the support rod and the support seat are used to install and place the bracket.
[0013] The digital noise meter in the utility model can not only provide sufficient and stable protection to avoid interference and collision, but also can be quickly installed and fixed according to different usage requirements, while ensuring stability after installation, greatly enhancing its protection performance and flexibility, and improving practicality and convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the opening structure diagram of the utility model;
[0015] Figure 2 It is a combined structural diagram of the utility model;
[0016] Figure 3 This is a structural diagram of the noise meter body of the utility model installed in the clamping sleeve;
[0017] Figure 4 This is a structural diagram of the noise meter body of the utility model;
[0018] Figure 5 This is a structural diagram of the support rod and support seat installation of the utility model.
[0019] In the figure: 1 arc-shaped protective sleeve, 2 first limiting hole, 3 slider, 4 plug plate, 5 elastic band, 6 limiting plug hole, 7 rubber sleeve, 8 first clamping sleeve, 9 second limiting hole, 10 plug rod, 11 mounting plate, 12 mounting groove, 13 stud, 14 through hole, 15 second clamping sleeve, 16 positioning block, 17 second connecting rod, 18 noise meter body, 19 support seat, 20 support rod, 21 first connecting rod, 22 mounting hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Example 1
[0022] Reference Figure 1-4 , an anti-interference digital noise meter, including a first clamping sleeve 8 and a second clamping sleeve 15, both sides of the first clamping sleeve 8 are provided with mounting grooves 12, a plurality of second limiting holes 9 are evenly spaced in the mounting groove 12, one of the limiting holes 9 is penetrated by an insertion rod 10, and three limiting insertion holes 6 are evenly spaced on one side of the upper end of the mounting groove 12, an elastic band 5 is connected to the upper end of the first clamping sleeve 8, which has an elastic function and can firmly and tightly clamp the noise meter body 18 to ensure stability, a plug-in plate 4 is plugged into one side of the first clamping sleeve 8, one end of the noise meter body 18 is in contact with one side of the plug-in plate 4, and rubber sleeves 7 are provided on the inner sides of the first clamping sleeve 8 and the second clamping sleeve 15, which can further ensure the stability of the connection of the noise meter body 18 in combination with the rubber sleeve 7.
[0023] One end of the first clamping sleeve 8 is rotatably connected to a fixing piece, and the fixing piece is rotatably connected to a first connecting rod 21. Two slide grooves are provided on one side of the second clamping sleeve 15, and a slider 3 is installed in the slide groove. One end of a first connecting rod 21 on the same side passes through the side wall of the slide groove and is fixed to one end of the slider 3. A stud 13 is provided on one side of the slider 3, and a plurality of threaded through holes are evenly spaced on one side of the slide groove. One end of the stud 13 passes through one of the threaded through holes and extends into the slider 3. When it is necessary to adjust the buckling distance between the first clamping sleeve 8 and the second clamping sleeve 15, it can be adjusted through the slider 3 and the stud 13 to adapt to noise meter bodies 18 of different specifications.
[0024] Two positioning blocks 16 are fixed to the upper end of the second clamping sleeve 15, and a first limiting hole 2 is provided on the positioning block 16. Two second connecting rods 17 are fixed to one end of the second clamping sleeve 15, and one end of the second connecting rod 17 is connected to an arc-shaped protective sleeve 1. The arc-shaped protective sleeve 1 is formed by hingedly connecting two semi-arc-shaped protective sleeves, one of which is fixed to one end of the second connecting rod 17. The two semi-arc-shaped protective sleeves are connected and fixed by a lock, which is convenient for opening and locking.
[0025] Mounting plates 11 are fixed on both sides of the first clamping sleeve 8, and two mounting holes 22 are provided on the mounting plates 11. A noise meter body 18 is clamped between the first clamping sleeve 8 and the second clamping sleeve 15. The built-in microcomputer processor converts the sound signal into a digital signal and converts it into an equivalent sound pressure level according to international standards.
[0026] Example 2
[0027] Reference Figure 1-5 , an anti-interference digital noise meter, including a first clamping sleeve 8 and a second clamping sleeve 15, both sides of the first clamping sleeve 8 are provided with mounting grooves 12, a plurality of second limiting holes 9 are evenly spaced in the mounting groove 12, one of the limiting holes 9 is penetrated by an insertion rod 10, and three limiting insertion holes 6 are evenly spaced on one side of the upper end of the mounting groove 12, an elastic band 5 is connected to the upper end of the first clamping sleeve 8, which has an elastic function and can firmly and tightly clamp the noise meter body 18 to ensure stability, a plug-in plate 4 is plugged into one side of the first clamping sleeve 8, one end of the noise meter body 18 is in contact with one side of the plug-in plate 4, and rubber sleeves 7 are provided on the inner sides of the first clamping sleeve 8 and the second clamping sleeve 15, which can further ensure the stability of the connection of the noise meter body 18 in combination with the rubber sleeve 7.
[0028] One end of the first clamping sleeve 8 is rotatably connected to a fixing piece, and the fixing piece is rotatably connected to a first connecting rod 21. Two slide grooves are provided on one side of the second clamping sleeve 15, and a slider 3 is installed in the slide groove. One end of a first connecting rod 21 on the same side passes through the side wall of the slide groove and is fixed to one end of the slider 3. A stud 13 is provided on one side of the slider 3, and a plurality of threaded through holes are evenly spaced on one side of the slide groove. One end of the stud 13 passes through one of the threaded through holes and extends into the slider 3. When it is necessary to adjust the buckling distance between the first clamping sleeve 8 and the second clamping sleeve 15, it can be adjusted through the slider 3 and the stud 13 to adapt to noise meter bodies 18 of different specifications.
[0029] Two positioning blocks 16 are fixed to the upper end of the second clamping sleeve 15, and a first limiting hole 2 is provided on the positioning block 16. Two second connecting rods 17 are fixed to one end of the second clamping sleeve 15, and one end of the second connecting rod 17 is connected to an arc-shaped protective sleeve 1. The arc-shaped protective sleeve 1 is formed by hingedly connecting two semi-arc-shaped protective sleeves, one of which is fixed to one end of the second connecting rod 17. The two semi-arc-shaped protective sleeves are connected and fixed by a lock, which is convenient for opening and locking.
[0030] Mounting plates 11 are fixed on both sides of the first clamping sleeve 8, and two mounting holes 22 are provided on the mounting plates 11. A noise meter body 18 is clamped between the first clamping sleeve 8 and the second clamping sleeve 15. The built-in microcomputer processor converts the sound signal into a digital signal and converts it into an equivalent sound pressure level according to international standards.
[0031] A plurality of support rods 20 are threadedly connected to one side of the lower end of the first clamping sleeve 8, and the support rods 20 are threadedly connected to each other. A support seat 19 is fixed to the lower end of one of the support rods 20, and this device can be used for fixing when installation is required.
[0032] Compared with the first embodiment, the second embodiment can more flexibly fix and install the noise meter body 18, and is convenient for adjusting and fixing the height according to the needs.
[0033] In the utility model, when the noise meter needs to be used, open half of the arc-shaped protective cover 1, pass the noise meter body 18 through the elastic band 5, and the bottom is against one side of the plug plate 4, and then buckle the second clamping sleeve 15 so that the positioning block 16 passes through the corresponding limiting hole 6, and then insert the insertion rod 10 into the first limiting hole 2 and the second limiting hole 9 to achieve fixation, and then close the other half of the arc-shaped protective cover 1, and use the mounting plate 11 to install it on the corresponding wall or vehicle body as needed, or use the support rod 20 and the support seat 19 to install and place it to form a bracket.
[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An anti-interference digital noise meter, comprising a first clamping sleeve (8) and a second clamping sleeve (15), characterized in that: Both sides of the first clamping sleeve (8) are provided with mounting grooves (12), and a plurality of second limiting holes (9) are evenly spaced in the mounting grooves (12), and a plug rod (10) is passed through one of the limiting holes (9). Three limiting plug holes (6) are evenly spaced on one side of the upper end of the mounting groove (12). The upper end of the first clamping sleeve (8) is connected to an elastic band (5), one end of the first clamping sleeve (8) is rotatably connected to a fixing member, and a first connecting rod (21) is rotatably connected to the fixing member. Two sliding grooves are provided on one side of the second clamping sleeve (15), and a slider (3) is installed in the sliding groove. One end of a first connecting rod (21) on the same side is passed through The second clamping sleeve (15) is provided with a locking mechanism on one side of the slider (3), and two positioning blocks (16) are fixed on the upper end of the second clamping sleeve (15). The positioning blocks (16) are provided with a first limiting hole (2). Two second connecting rods (17) are fixed on one end of the second clamping sleeve (15). One end of the second connecting rod (17) is connected to an arc-shaped protective sleeve (1). Both sides of the first clamping sleeve (8) are fixed with mounting plates (11). Two mounting holes (22) are provided on the mounting plates (11). A noise meter body (18) is clamped between the first clamping sleeve (8) and the second clamping sleeve (15).
2. The anti-interference digital noise meter according to claim 1, characterized in that: The locking mechanism comprises a stud (13) penetrating one side of the slide block (3); a plurality of threaded through holes are arranged at equal intervals on one side of the slide slot; one end of the stud (13) penetrates one of the threaded through holes and extends into the slide block (3).
3. The anti-interference digital noise meter according to claim 1, characterized in that: The arc-shaped protective sleeve (1) is formed by hingedly connecting two semi-arc-shaped protective sleeves, wherein one of the semi-arc-shaped protective sleeves is fixed to one end of the second connecting rod (17).
4. The anti-interference digital noise meter according to claim 1, characterized in that: A plug plate (4) is plugged into one side of the first clamping sleeve (8), and one end of the noise meter body (18) abuts against one side of the plug plate (4).
5. The anti-interference digital noise meter according to claim 1, characterized in that: The inner sides of the first clamping sleeve (8) and the second clamping sleeve (15) are both provided with rubber sleeves (7).
6. The anti-interference digital noise meter according to claim 1, characterized in that: A plurality of support rods (20) are threadedly connected to one side of the lower end of the first clamping sleeve (8), and the support rods (20) are threadedly connected to each other, and a support seat (19) is fixed to the lower end of one of the support rods (20).