Noise reduction equipment
By designing a noise reduction and buffer mechanism, the problems of limited noise reduction effect and inconvenient blowing function in the existing technology are solved, achieving better noise reduction and blowing effect, while providing vibration protection.
Patent Information
- Application Number
- CN202520218492.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-12
AI Technical Summary
In the existing technology, noise reduction covers can only improve the noise reduction effect to a limited extent, which affects the noise reduction effect of the fan and makes it inconvenient to realize the fan's blowing function.
A noise reduction device was designed, comprising a noise reduction mechanism and a buffer mechanism. The noise reduction mechanism achieves noise absorption and air blowing effects through a noise reduction box, a ventilation pipe, and a guide spiral blade. The buffer mechanism achieves a buffering effect through a buffer spring and a rotating rod. The noise reduction cover is rotated and clamped and fixed by a lifting motor and a sprocket drive assembly.
It improves noise reduction, enables the fan to blow air effectively, and provides buffer protection during vibration, thus enhancing the overall performance of the noise reduction equipment.
Smart Images
Figure CN223868247U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to noise reduction equipment technical field, concretely is a kind of noise reduction equipment. BACKGROUND
[0002] Noise reduction, as the name implies, is to reduce the influence of noise on people, and the noise reduction cover is mainly to close the machine and equipment generating noise in a small space, so that it is isolated from the surrounding environment, to reduce the influence of noise on the environment, so as to achieve the effect of noise reduction. When installing the noise reduction cover for the fan, a gap is usually left for air flow when the fan rotates.
[0003] Publication No. CN214945293U discloses an air source heat pump fan noise reduction cover, which installs the fan in the soundproof shell, and installs the noise reduction cover on the front side and both sides of the soundproof shell to improve the noise reduction effect. The noise reduction cover is fixed between the first fixed frame and the second fixed frame by spring and extrusion plate, and the first rubber pad, the second rubber pad and the third rubber pad are installed around the noise reduction cover, which can effectively prevent the noise reduction cover from vibrating with the fan and emitting noise, thereby effectively improving the noise reduction effect. However, the patent still has the following problems in actual use:
[0004] Although the air source heat pump fan noise reduction cover installs the fan in the soundproof shell, and installs the noise reduction cover on the front side and both sides of the soundproof shell to improve the noise reduction effect, the noise reduction effect achieved by the noise reduction cover is limited, which affects the noise reduction effect of the fan. At the same time, it is not convenient to realize the blowing function of the fan when the fan is noise-reduced, which affects the blowing effect of the fan.
[0005] Therefore, a noise reduction device is proposed to solve the problems mentioned above. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a noise reduction device to solve the problem that the noise reduction effect achieved by the noise reduction cover is limited, which affects the noise reduction effect of the fan, and it is not convenient to realize the blowing function of the fan when the fan is noise-reduced, which affects the blowing effect of the fan.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a noise reduction device, comprising a noise reduction mechanism and a mounting plate installed inside the noise reduction mechanism.
[0008] The bottom of the noise reduction mechanism is provided with a buffer mechanism, and the inside of the buffer mechanism is provided with a buffer support plate.
[0009] Further comprising:
[0010] The noise reduction mechanism comprises a noise reduction box, a plurality of noise reduction holes are arranged around the inside of the noise reduction box, ventilation pipes are symmetrically installed on both sides of the noise reduction box, a plurality of guide spiral leaves are fixedly installed in the inside of the ventilation pipes;
[0011] The bottom side of the noise reduction box is fixedly installed with a lifting motor, and the output end of the lifting motor is fixedly connected with a chain wheel transmission assembly.
[0012] The top of the chain wheel transmission assembly is symmetrically installed with lifting threaded rods, and the outer sides of the two lifting threaded rods are threadedly connected with lifting threaded supports.
[0013] Preferably, the mounting plate is arranged at the top of the lifting threaded support, a plurality of lifting sliding sleeves are fixedly installed around the mounting plate, lifting sliding rods are slidingly connected in the inside of the lifting sliding sleeves, connecting hinges are symmetrically installed on both sides of the top of the noise reduction box, and noise reduction covers are rotatably connected to the outer sides of the two connecting hinges.
[0014] Preferably, a handle is fixedly installed at the top of the noise reduction cover, a plurality of sound-absorbing plates are fixedly installed at the bottom of the handle, sound-absorbing sponges are fixedly installed at the bottom of the sound-absorbing plates, connecting rotating rods are rotatably connected to both sides of the noise reduction cover, and the connecting rotating rods are rotatably connected to the mounting plate.
[0015] Preferably, clamping sliding rods are fixedly installed around the inside of the mounting plate, clamping sliding sleeves are slidingly connected to the outer sides of the clamping sliding rods, clamping springs are fixedly installed on one side of the clamping sliding sleeves, and clamping supports are fixedly installed at the top of the clamping sliding sleeves.
[0016] Preferably, a plurality of clamping limiting rods are slidingly connected in the inside of the clamping support, clamping plates are fixedly installed at the ends of the clamping limiting rods, clamping limiting plates are fixedly installed on the side of the clamping limiting rods away from the clamping plates, and limiting springs are fixedly installed on the side of the clamping support close to the clamping limiting rods.
[0017] Preferably, the buffer mechanism comprises a buffer base, buffer sliding rods are fixedly installed around the inside of the buffer base, buffer sliding sleeves are slidingly connected to the outer sides of the buffer sliding rods, and buffer springs are fixedly installed on one side of the buffer sliding sleeves.
[0018] Preferably, a buffer rotating rod is rotatably connected to the top of the buffer sliding sleeve, a buffer rotating support is rotatably connected to the top of the buffer rotating rod, and a buffer support plate is fixedly installed at the top of the buffer rotating support.
[0019] Compared with the prior art, the noise reduction equipment has the advantages that the noise reduction holes around the inside of the noise reduction box can absorb the noise generated by the operation of the instruments in the noise reduction box, so that the noise reduction effect is achieved, the ventilation pipes on both sides of the noise reduction box can realize the blowing effect of the fan, and the guide spiral leaves in the ventilation pipes can realize the air guiding effect, the elastic force of the buffer springs in the buffer base can make the buffer rotating support drive the buffer rotating rod to rotate, and the buffer sliding sleeve can drive the buffer springs to slide outside the buffer sliding rod, so that the buffer effect is realized, and the specific contents are as follows.
[0020] 1. The noise reduction mechanism can not only absorb the noise generated by the operation of the instruments in the noise reduction box through the noise reduction holes around the inside of the noise reduction box, so that the noise reduction effect is achieved, but also realize the blowing effect of the fan through the ventilation pipes on both sides of the noise reduction box, and realize the air guiding effect through the guide spiral leaves in the ventilation pipes.
[0021] 2. The buffer mechanism can utilize the elastic force of the buffer springs in the buffer base to make the buffer rotating support drive the buffer rotating rod to rotate when the noise reduction box vibrates, and drive the buffer sliding sleeve to extrude the buffer springs to slide outside the buffer sliding rod, so that the buffer effect is realized, and the protection effect of the noise reduction box is improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;
[0023] Figure 2 It is a three-dimensional structure schematic view of the noise reduction mechanism in the utility model;
[0024] Figure 3 It is a three-dimensional structure schematic view of the noise reduction cover in the utility model;
[0025] Figure 4 It is a three-dimensional structure schematic view of the clamping plate in the utility model;
[0026] Figure 5 It is a three-dimensional structure schematic view of the buffer mechanism in the utility model;
[0027] Figure 6The utility model discloses a three-dimensional structure schematic diagram of buffering rotary rod.
[0028] In the drawing: 1, noise reduction mechanism, 101, noise reduction box, 102, noise reduction hole, 103, ventilation pipe, 104, guide spiral blade, 105, lifting motor, 106, chain wheel transmission assembly, 107, lifting screw rod, 108, lifting screw support, 109, mounting plate, 110, lifting sliding sleeve, 111, lifting sliding rod, 112, connecting hinge, 113, noise reduction cover, 114, handle, 115, sound absorption board, 116, sound absorption sponge, 117, connecting rotary rod, 118, clamping sliding rod, 119, clamping sliding sleeve, 120, clamping spring, 121, clamping support, 122, clamping limit rod, 123, clamping plate, 124, clamping limit plate, 125, limit spring, 2, buffering mechanism, 201, buffering base, 202, buffering sliding rod, 203, buffering sliding sleeve, 204, buffering spring, 205, buffering rotary rod, 206, buffering rotary support, 207, buffering support plate. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model protection.
[0030] Please refer to Figures 1-6The utility model provides technical scheme: a kind of noise reduction equipment, including noise reduction mechanism 1, and mounting plate 109 installed in the inside of noise reduction mechanism 1, the bottom of noise reduction mechanism 1 is provided with buffer mechanism 2, and the inside of buffer mechanism 2 is provided with buffer support plate 207, noise reduction mechanism 1 includes noise reduction box 101, several noise reduction holes 102 are opened in the inside four around of noise reduction box 101, the both sides of noise reduction box 101 are symmetrically installed with ventilation pipe 103, several guide helical blade 104 are fixedly installed in the inside of ventilation pipe 103, wherein, the bottom side of noise reduction box 101 is fixedly installed with lift motor 105, the output of lift motor 105 is fixedly connected with sprocket transmission assembly 106, wherein, the top of sprocket transmission assembly 106 is symmetrically installed with lift screw rod 107, the outside of two lift screw rods 107 is threadedly connected with lift threaded support 108, mounting plate 109 is set at the top of lift threaded support 108, mounting plate 109 is fixedly installed with lift sliding sleeve 110 around, lift sliding sleeve 110 is slidably connected with lift sliding rod 111 in the inside, the both sides of the top of noise reduction box 101 are symmetrically installed with connecting hinge 112, the outside of two connecting hinges 112 is rotatably connected with noise reduction cover 113, the top of noise reduction cover 113 is fixedly installed with handle 114, the bottom of handle 114 is fixedly installed with several sound-absorbing panels 115, the bottom of sound-absorbing panel 115 is fixedly installed with sound-absorbing sponge 116, the both sides of noise reduction cover 113 are symmetrically rotatably connected with connecting rotary rod 117, connecting rotary rod 117 is rotatably connected with mounting plate 109, the inside four around of mounting plate 109 is fixedly installed with clamping sliding rod 118, the outside of clamping sliding rod 118 is slidably connected with clamping sliding sleeve 119, the side of clamping sliding sleeve 119 is fixedly installed with clamping spring 120, the top of clamping sliding sleeve 119 is fixedly installed with clamping support 121, the inside of clamping support 121 is slidably connected with several clamping limit rods 122, the end of clamping limit rod 122 is fixedly installed with clamping plate 123, the side of clamping limit rod 122 away from clamping plate 123 is fixedly installed with clamping limit plate 124, the side of clamping support 121 close to clamping limit rod 122 is fixedly installed with limit spring 125, utilize the noise reduction hole 102 of the inside four around of noise reduction box 101 to the noise that instrument operation in the inside of noise reduction box 101 emits is absorbed, to reach the effect of noise reduction, the blowing effect of fan can be realized through the ventilation pipe 103 of the both sides of noise reduction box 101, and guide helical blade 104 in the inside of ventilation pipe 103 is used to realize air guiding effect, by starting lift motor 105 to drive sprocket transmission assembly 106 and lift screw rod 107 rotation, make lift threaded support 108 drive mounting plate 109 lift and move, under the action of connecting rotary rod 117, the rotation of noise reduction cover 113 can be realized, and the sound-absorbing panel 115 and sound-absorbing sponge 116 of the bottom of noise reduction cover 113 are used to sound-absorbing instrument, to be able to improve the effect of noise reduction, through the elastic force of clamping spring 120 in the inside of mounting plate 109,The clamping bracket 121 can drive the clamping limit rod 122 and the clamping plate 123 to move relative to each other, and the clamping plate 123 can be used to clamp and fix the instrument by utilizing the elastic force of the limit spring 125.
[0031] The buffer mechanism 2 includes a buffer base 201. A buffer sliding rod 202 is fixedly installed around the inside of the buffer base 201. A buffer sliding sleeve 203 is slidably connected to the outside of the buffer sliding rod 202. A buffer spring 204 is fixedly installed on one side of the buffer sliding sleeve 203. A buffer rotating rod 205 is rotatably connected to the top of the buffer sliding sleeve 203. A buffer rotating support 206 is rotatably connected to the top of the buffer rotating rod 205. A buffer support plate 207 is fixedly installed on the top of the buffer rotating support 206. By utilizing the elastic force of the buffer spring 204 inside the buffer base 201, when the noise reduction box 101 vibrates, the buffer rotating support 206 drives the buffer rotating rod 205 to rotate, and drives the buffer sliding sleeve 203 to squeeze the buffer spring 204 to slide on the outside of the buffer sliding rod 202, thereby achieving a buffering effect and improving the protective effect of the noise reduction box 101.
[0032] Working principle: Before using this noise reduction device, it is necessary to check the overall condition of the device to ensure it can function properly. Figure 1 - Figure 6 As shown, firstly, the noise reduction holes 102 around the inside of the noise reduction box 101 absorb the noise generated by the operation of the machinery inside the noise reduction box 101, thereby achieving a noise reduction effect. The ventilation pipes 103 on both sides of the noise reduction box 101 enable the fan to blow air, and the guide spiral blades 104 inside the ventilation pipes 103 guide the airflow. Secondly, by starting the lifting motor 105, the sprocket transmission assembly 106 and the lifting threaded rod 107 are driven to rotate, causing the lifting threaded bracket 108 to move the mounting plate 109 up and down. Under the action of the connecting rotating rod 117, the noise reduction cover 113 can rotate, and the sound-absorbing plate 115 and sound-absorbing sponge 116 at the bottom of the noise reduction cover 113 absorb the noise. The instrument absorbs sound, thereby improving the noise reduction effect. Through the elastic force of the clamping spring 120 inside the mounting plate 109, the clamping bracket 121 can drive the clamping limit rod 122 and the clamping plate 123 to move relative to each other. The elastic force of the limit spring 125 can be used to clamp and fix the instrument with the clamping plate 123. Finally, through the elastic force of the buffer spring 204 inside the buffer base 201, when the noise reduction box 101 vibrates, the buffer rotating support 206 can drive the buffer rotating rod 205 to rotate, and drive the buffer sliding sleeve 203 to squeeze the buffer spring 204 to slide on the outside of the buffer sliding rod 202, thereby achieving the buffering effect and improving the protection effect of the noise reduction box 101.
[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A noise reduction device, comprising a noise reduction mechanism (1) and a mounting plate (109) installed inside the noise reduction mechanism (1). The bottom of the noise reduction mechanism (1) is provided with a buffer mechanism (2), and the buffer mechanism (2) is provided with a buffer support plate (207). Its features are, Also includes: The noise reduction mechanism (1) includes a noise reduction box (101), and a number of noise reduction holes (102) are opened around the inside of the noise reduction box (101). Ventilation pipes (103) are symmetrically installed on both sides of the noise reduction box (101), and a number of guide spiral blades (104) are fixedly installed inside the ventilation pipes (103). Among them, a lifting motor (105) is fixedly installed on one side of the bottom of the noise reduction box (101), and the output end of the lifting motor (105) is fixedly connected to a sprocket drive assembly (106). Among them, the top of the sprocket drive assembly (106) is symmetrically equipped with lifting threaded rods (107), and the outer sides of the two lifting threaded rods (107) are threadedly connected to lifting threaded brackets (108).
2. The noise reduction device according to claim 1, characterized in that: The mounting plate (109) is set on the top of the lifting threaded bracket (108). The mounting plate (109) is fixedly installed with lifting sliding sleeves (110) around its perimeter. The lifting sliding sleeves (110) are slidably connected with lifting sliding rods (111). The top two sides of the noise reduction box (101) are symmetrically installed with connecting hinges (112). The two connecting hinges (112) are rotatably connected with noise reduction covers (113) on their outer sides.
3. The noise reduction device according to claim 2, characterized in that: The top of the noise reduction cover (113) is fixedly equipped with a handle (114), and the bottom of the handle (114) is fixedly equipped with several sound-absorbing panels (115). The bottom of the sound-absorbing panels (115) is fixedly equipped with sound-absorbing sponge (116). Both sides of the noise reduction cover (113) are symmetrically connected to a connecting rotating rod (117), and the connecting rotating rod (117) is rotatably connected to the mounting plate (109).
4. The noise reduction device according to claim 3, characterized in that: A clamping sliding rod (118) is fixedly installed around the inside of the mounting plate (109). A clamping sliding sleeve (119) is slidably connected to the outside of the clamping sliding rod (118). A clamping spring (120) is fixedly installed on one side of the clamping sliding sleeve (119). A clamping bracket (121) is fixedly installed on the top of the clamping sliding sleeve (119).
5. The noise reduction device according to claim 4, characterized in that: The clamping bracket (121) has several clamping limiting rods (122) slidably connected inside. A clamping plate (123) is fixedly installed at the end of the clamping limiting rod (122). A clamping limiting plate (124) is fixedly installed on the side of the clamping limiting rod (122) away from the clamping plate (123). A limiting spring (125) is fixedly installed on the side of the clamping bracket (121) close to the clamping limiting rod (122).
6. The noise reduction device according to claim 1, characterized in that: The buffer mechanism (2) includes a buffer base (201), a buffer sliding rod (202) is fixedly installed around the inside of the buffer base (201), a buffer sliding sleeve (203) is slidably connected to the outside of the buffer sliding rod (202), and a buffer spring (204) is fixedly installed on one side of the buffer sliding sleeve (203).
7. A noise reduction device according to claim 6, characterized in that: The top of the buffer sliding sleeve (203) is rotatably connected to a buffer rotating rod (205), the top of the buffer rotating rod (205) is rotatably connected to a buffer rotating support (206), and the buffer support plate (207) is fixedly installed on the top of the buffer rotating support (206).