Nitrogen making machine with noise reduction function

Abstract

The utility model relates to the technical field of nitrogen making machines, discloses a nitrogen making machine with a noise reduction function, and solves the problem of poor noise reduction effect caused by the fact that a damping mechanism can only buffer and filter vibration in the vertical direction. A noise reduction frame is mounted on the inner side of a second-stage damping base, a first-stage damping base is mounted on the inner side of the noise reduction frame, and a second-stage damping base is mounted on the inner side of the first-stage damping base; a multi-direction damping mechanism is mounted on the inner side of the first-stage damping base and comprises a first bearing disc fixedly connected with the nitrogen making machine body, a plurality of first buffer springs are fixedly mounted on the periphery of the outer surface of the first bearing disc, and a plurality of rubber air bags are fixedly mounted on the periphery of the outer surface of the first bearing disc; the first buffer springs and the rubber air bags are arranged in a crossed mode, vibration can be buffered and damped by the first buffer springs no matter which direction vibration is generated towards the periphery in the using process, the rubber air bags can be extruded if the vibration amplitude is too large, the buffering and damping effect is further improved, and then noise generated by the nitrogen making machine body is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen generators, in particular to a nitrogen generator with a noise reduction function. Background Art

[0002] With the continuous expansion of industrial production and the increasing demand for noise control in production environments, the demand for noise reduction technology for nitrogen generators is becoming increasingly urgent. Traditional nitrogen generators generate a lot of noise during operation, which not only harms the health of operators, such as long-term exposure to high-decibel noise environments, which may cause hearing loss and tinnitus, but also affects the environmental quality of the workplace.

[0003] An existing Chinese patent, publication number CN215249585U, discloses a nitrogen generator with a noise reduction function. During operation, the nitrogen generator body generates vibrations, which are transmitted to the support plate. The support plate drives the slider downward. The downward movement of the slider rotates the ball screw through the ball nut pair. The rotation of the ball screw drives the rotation of the shaft. The rotation of the shaft causes the first and second shock-absorbing torsion springs to deform. The first and second shock-absorbing torsion springs filter and absorb the vibrations, initially reducing the vibration and noise. [The following appears to be unrelated text:] The support plate moves downward and transmits the residual vibration to the telescopic rod, driving the telescopic rod downward within the hollow sleeve. The downward movement of the telescopic rod compresses the shock-absorbing spring, which compresses the shock-absorbing gasket. The shock-absorbing spring and the shock-absorbing gasket further absorb and filter the residual vibrations.

[0004] The vibration generated by the nitrogen generator during use will diffuse and transmit to the surroundings. However, this structure can only buffer and filter the vibration in the vertical direction, resulting in poor noise reduction effect, thereby reducing its practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a nitrogen generator with a noise reduction function. By adopting the device to work, the problem that the shock absorbing mechanism can only buffer and filter the vibration in the vertical direction, resulting in poor noise reduction effect, is solved.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a nitrogen generator with a noise reduction function, comprising a noise reduction component, a nitrogen generator body being placed above the noise reduction component, the noise reduction component comprising a secondary shock-absorbing base, a noise reduction frame being fixedly mounted on the inner side of the secondary shock-absorbing base, a primary shock-absorbing base being fixedly mounted on the inner side of the noise reduction frame, and a multi-directional shock-absorbing mechanism being fixedly mounted on the inner side of the primary shock-absorbing base;

[0007] The multi-directional shock absorption mechanism includes a supporting plate 1 fixedly connected to the nitrogen generator body, a plurality of buffer springs 1 are fixedly installed on the outer surface of the supporting plate 1, and a plurality of rubber airbags are fixedly installed on the outer surface of the supporting plate 1. The buffer spring 1 and the rubber airbag are arranged crosswise. During the operation of the nitrogen generator body, no matter which direction the vibration is generated in the surrounding area, it will be buffered and shock-absorbed by the buffer spring 1. If the vibration amplitude is too large, the rubber airbag will be squeezed to further improve the buffering and shock absorption effect, meet the buffering and shock absorption requirements in different directions, and thus effectively reduce the noise generated by the nitrogen generator body.

[0008] Preferably, the first-level shock-absorbing base includes a supporting plate 2, and a plurality of telescopic rods 1 are fixedly installed on the bottom surface of the inner wall of the supporting plate 2. The upper end of the telescopic rod 1 is fixedly connected to the supporting plate 1, and a buffer spring 2 is sleeved on the outer side of the telescopic rod 1. The upper end of the buffer spring 2 is fixedly connected to the supporting plate 1, and the lower end of the buffer spring 2 is fixedly connected to the supporting plate 2. The end of the buffer spring 1 away from the supporting plate 1 is fixedly connected to the supporting plate 2. Through the setting of the buffer spring 2, the vertical vibration can be effectively buffered and filtered, and the setting of the telescopic rod 1 makes the buffer spring 2 can only be deformed in the up and down directions to improve the stability during the buffering process.

[0009] Preferably, a hanging ear is fixedly installed on the outer side of the supporting plate 2, a frame is fixedly installed on the lower end of the noise reduction frame, and a telescopic rod 2 is fixedly installed on the upper ends of the four corners of the frame. The upper end of the telescopic rod 2 is fixedly connected to the lower end of the hanging ear, and a buffer spring 3 is provided on the outer side of the telescopic rod 2. The upper end of the buffer spring 3 is fixedly connected to the hanging ear, and the lower end of the buffer spring 3 is fixedly connected to the frame. Through the setting of the buffer spring 3, the vertical vibration can be effectively buffered and filtered at the secondary level, thereby further reducing the noise caused by the vibration. The telescopic rod 2 has the same function as the telescopic rod 1.

[0010] Preferably, a cavity is opened on the inner side of the secondary shock-absorbing base, and sound insulation cotton is fixedly installed on the lower end of the noise reduction frame. The sound insulation cotton fits the cavity and is arranged in the cavity. On the one hand, the sealing performance between them is improved, and on the other hand, the noise can be effectively blocked inside, further improving the noise reduction effect.

[0011] Preferably, four sets of elastic legs are fixedly mounted on the lower end of the secondary shock-absorbing base. By setting the elastic legs, three-level buffering and filtering can be effectively performed on the vertical vibration, thereby further reducing the noise caused by the vibration.

[0012] Preferably, an anti-skid groove is provided on the lower surface of the elastic leg. The anti-skid groove can effectively prevent the entire device from being displaced due to the vibration generated by the nitrogen generator body.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The nitrogen generator with noise reduction function proposed by the utility model has a buffer spring for buffering and reducing vibration in all directions regardless of the vibration generated by the nitrogen generator body during operation. If the vibration amplitude is too large, the rubber airbag is squeezed to further improve the buffering and reducing vibration effect, thereby meeting the buffering and reducing vibration in different directions, thereby effectively reducing the noise generated by the nitrogen generator body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the noise reduction component structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the secondary shock-absorbing base of the utility model;

[0018] Figure 4 This is a schematic diagram of the noise reduction frame structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the first-level shock-absorbing base of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the multi-directional shock absorbing mechanism of the utility model.

[0021] In the figure: 1. Nitrogen generator body; 2. Noise reduction component; 21. Secondary shock-absorbing base; 211. Cavity; 212. Elastic support leg; 213. Anti-slip groove; 22. Noise reduction frame; 221. Sound insulation cotton; 222. Frame; 223. Telescopic rod 2; 224. Buffer spring 3; 23. Primary shock-absorbing base; 231. Carrying plate 2; 232. Hanging ear; 233. Telescopic rod 1; 234. Buffer spring 2; 24. Multi-directional shock-absorbing mechanism; 241. Carrying plate 1; 242. Buffer spring 1; 243. Rubber airbag. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0024] Combine Figure 1-2 、 Figure 6 A nitrogen generator with a noise reduction function includes a noise reduction component 2. A nitrogen generator body 1 is placed above the noise reduction component 2. The noise reduction component 2 includes a secondary shock-absorbing base 21. A noise reduction frame 22 is fixedly installed on the inner side of the secondary shock-absorbing base 21. A primary shock-absorbing base 23 is fixedly installed on the inner side of the noise reduction frame 22. A multi-directional shock-absorbing mechanism 24 is fixedly installed on the inner side of the primary shock-absorbing base 23.

[0025] The multi-directional shock absorbing mechanism 24 includes a supporting plate 241 fixedly connected to the nitrogen generator body 1. A plurality of buffer springs 242 are fixedly installed on the outer surface of the supporting plate 241. A plurality of rubber airbags 243 are fixedly installed on the outer surface of the supporting plate 241. The buffer springs 242 and the rubber airbags 243 are arranged crosswise. During the operation of the nitrogen generator body 1, no matter which direction the vibration is generated in the surrounding area, it will be buffered and shock-absorbed by the buffer springs 242. If the vibration amplitude is too large, the rubber airbags 243 will be squeezed to further improve the buffering and shock-absorption effect, meet the buffering and shock-absorption requirements in different directions, and thus effectively reduce the noise generated by the nitrogen generator body 1.

[0026] Combine Figure 5 The first-level shock-absorbing base 23 includes a supporting plate 231, and a plurality of telescopic rods 233 are fixedly installed on the bottom surface of the inner wall of the supporting plate 231. The upper end of the telescopic rod 233 is fixedly connected to the supporting plate 1 241, and the outer side of the telescopic rod 1 233 is provided with a buffer spring 234. The upper end of the buffer spring 234 is fixedly connected to the supporting plate 1 241, and the lower end of the buffer spring 234 is fixedly connected to the supporting plate 231. The end of the buffer spring 1 242 away from the supporting plate 1 241 is fixedly connected to the supporting plate 231. Through the setting of the buffer spring 234, the vertical vibration can be effectively buffered and filtered, and the setting of the telescopic rod 1 233 makes the buffer spring 234 only deformable in the up and down directions to improve the stability during the buffering process.

[0027] Combine Figure 4-5 The outer side of the supporting plate 231 is fixedly installed with a hanging ear 232, and the lower end of the noise reduction frame 22 is fixedly installed with a frame 222. The upper ends of the four corners of the frame 222 are fixedly installed with a telescopic rod 223. The upper end of the telescopic rod 223 is fixedly connected to the lower end of the hanging ear 232, and the outer side of the telescopic rod 223 is provided with a buffer spring 3 224. The upper end of the buffer spring 3 224 is fixedly connected to the hanging ear 232, and the lower end of the buffer spring 3 224 is fixedly connected to the frame 222. Through the setting of the buffer spring 3 224, the vertical vibration can be effectively buffered and filtered for secondary filtering, thereby further reducing the noise caused by the vibration. The telescopic rod 223 has the same function as the telescopic rod 1 233.

[0028] Combine Figure 3-4A cavity 211 is provided on the inner side of the secondary shock-absorbing base 21, and a sound insulation cotton 221 is fixedly installed on the lower end of the noise reduction frame 22. The sound insulation cotton 221 fits in the cavity 211. The sound insulation cotton 221 is arranged in the cavity 211. On the one hand, the sealing performance between them is improved, and on the other hand, the noise can be effectively blocked inside, further improving the noise reduction effect.

[0029] Combine Figure 3 Four sets of elastic legs 212 are fixedly installed at the lower end of the secondary shock-absorbing base 21. Through the setting of the elastic legs 212, the vertical vibration can be effectively buffered and filtered at three levels, thereby further reducing the noise caused by the vibration.

[0030] Combine Figure 3 The lower surface of the elastic leg 212 is provided with an anti-skid groove 213. The anti-skid groove 213 can effectively prevent the entire device from being displaced due to the vibration generated by the nitrogen generator body 1.

[0031] The specific working process and principle of the present invention: During the operation of the nitrogen generator body 1, no matter which direction the vibration is generated in the surroundings, it will be buffered and shock-absorbed by the buffer spring 1 242, and if the vibration amplitude is too large, the rubber airbag 243 will be squeezed to further improve the buffering and shock-absorption effect, meet the buffering and shock-absorption in different directions, and thus effectively reduce the noise generated by the nitrogen generator body 1, and the vibration in the vertical direction is subjected to the first-level buffering filtration by the buffer spring 2 234, and then the vibration in the vertical direction is subjected to the second-level buffering filtration by the buffer spring 3 224, thereby further reducing the noise caused by the vibration, and then the vibration in the vertical direction is subjected to the third-level buffering filtration by the elastic support leg 212, and then the sound insulation cotton 221 is arranged in the cavity 211, which effectively blocks the noise inside and achieves efficient noise reduction.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nitrogen generator with a noise reduction function, comprising a noise reduction component (2), a nitrogen generator body (1) being placed above the noise reduction component (2), and characterized in that: The noise reduction assembly (2) includes a secondary shock-absorbing base (21), a noise reduction frame (22) is fixedly installed on the inner side of the secondary shock-absorbing base (21), a primary shock-absorbing base (23) is fixedly installed on the inner side of the noise reduction frame (22), and a multi-directional shock-absorbing mechanism (24) is fixedly installed on the inner side of the primary shock-absorbing base (23); The multi-directional shock absorbing mechanism (24) comprises a supporting plate (241) fixedly connected to the nitrogen generator body (1), a plurality of buffer springs (242) fixedly mounted on the outer surface of the supporting plate (241), a plurality of rubber airbags (243) fixedly mounted on the outer surface of the supporting plate (241), and the buffer springs (242) and the rubber airbags (243) are arranged in a cross-arrangement.

2. The nitrogen generator with noise reduction function according to claim 1, characterized in that: The first-level shock-absorbing base (23) includes a supporting plate 2 (231), and a plurality of telescopic rods 1 (233) are fixedly installed on the bottom surface of the inner wall of the supporting plate 2 (231). The upper end of the telescopic rod 1 (233) is fixedly connected to the supporting plate 1 (241). The outer side of the telescopic rod 1 (233) is provided with a buffer spring 2 (234). The upper end of the buffer spring 2 (234) is fixedly connected to the supporting plate 1 (241), the lower end of the buffer spring 2 (234) is fixedly connected to the supporting plate 2 (231), and the end of the buffer spring 1 (242) away from the supporting plate 1 (241) is fixedly connected to the supporting plate 2 (231).

3. The nitrogen generator with noise reduction function according to claim 2, characterized in that: The outer side of the second carrier plate (231) is fixedly mounted with a hanging ear (232), the lower end of the noise reduction frame (22) is fixedly mounted with a frame (222), the upper ends of the four corners of the frame (222) are fixedly mounted with a second telescopic rod (223), the upper end of the second telescopic rod (223) is fixedly connected to the lower end of the hanging ear (232), the outer side of the second telescopic rod (223) is sleeved with a buffer spring (224), the upper end of the buffer spring (224) is fixedly connected to the hanging ear (232), and the lower end of the buffer spring (224) is fixedly connected to the frame (222).

4. The nitrogen generator with noise reduction function according to claim 1, characterized in that: A cavity (211) is provided on the inner side of the secondary shock-absorbing base (21), and a sound insulation cotton (221) is fixedly installed on the lower end of the noise reduction frame (22), and the sound insulation cotton (221) fits in the cavity (211).

5. The nitrogen generator with noise reduction function according to claim 1, characterized in that: Four groups of elastic legs (212) are fixedly mounted on the lower end of the secondary shock-absorbing base (21).

6. The nitrogen generator with noise reduction function according to claim 5, characterized in that: An anti-slip groove (213) is provided on the lower surface of the elastic supporting leg (212).

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