Silencing device convenient to clean
By improving the structural design of the silencing device, the problems of traditional static pressure boxes being difficult to clean and having poor adaptability of support legs have been solved, enabling convenient cleaning and height adjustment, and improving the practicality of the static pressure box.
Patent Information
- Application Number
- CN202423242172.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Traditional static pressure boxes are difficult to clean efficiently, with dust accumulating on the sound-absorbing cotton and galvanized perforated plates, and the support legs cannot adapt to different fan duct heights, reducing their practicality.
A noise reduction device comprising a noise reduction component and a support component was designed. The noise reduction component is easy to disassemble and clean through its structure including a shell, galvanized perforated plate, sound-absorbing cotton, cover plate and snap rod. The support component is height-adjustable to accommodate different fan ducts through a long pipe, support legs and positioning knob.
It enables convenient cleaning of sound-absorbing cotton and galvanized perforated plates, and the height of the support legs is adjustable, improving the practicality and cleaning efficiency of the device.
Smart Images

Figure CN223726553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of silencing device, in particular, relates to a kind of silencing device convenient to clean. BACKGROUND
[0002] Static pressure tank is a necessary accessory for air supply system to reduce dynamic pressure, increase static pressure, stabilize airflow and reduce airflow vibration, which can make air supply more ideal. Static pressure tank is a device that can allow airflow to pass through and effectively prevent or weaken the transmission of sound energy outward. Currently, the urban environment is noisy, and some buildings with personnel often set static pressure tanks on the top to reduce the noise of ventilation ducts and fans during use, to achieve the purpose of silencing and noise reduction.
[0003] Traditional static pressure tanks are mostly designed in one piece, mostly using welding or multiple bolt connection methods to install sound-absorbing cotton with silencing and noise reduction in the shell, and the shell is also provided with a galvanized mesh plate. During long-term use, dust and sticky substances are easily accumulated inside, which makes it difficult to clean the dust in the sound-absorbing cotton, causing great trouble for later cleaning, and the heights of different fan duct openings are different, so static pressure tanks need to be customized with specified height support legs or find something to pad, reducing its practicability. CONTENT OF THE INVENTION
[0004] In order to make up for the above shortcomings, the present application provides a kind of silencing device convenient to clean, aims at improving the problems raised in the above background technology.
[0005] The silencing device convenient to clean provided by the embodiment of the present application comprises a silencing assembly and a supporting assembly.
[0006] The silencing assembly comprises an outer shell, a galvanized mesh plate, sound-absorbing cotton, a cover plate, a clamping rod and an elastic piece. The galvanized mesh plate is arranged in the outer shell, the sound-absorbing cotton is arranged in the outer shell, the cover plate is rotationally arranged at the end of the cover plate, the elastic piece is arranged at the top of the outer shell, the clamping rod is connected to the elastic piece, and the clamping rod is clamped to the cover plate.
[0007] The supporting assembly comprises a long tube, a support leg and a positioning knob. The long tube is fixedly connected to the outer shell, the support leg is slidingly arranged in the long tube, and the positioning knob is rotationally penetrated through the long tube and the support leg.
[0008] In a specific embodiment, the elastic piece comprises a fixed shell, a spring and a push block. The fixed shell is fixedly connected to the outer shell, the push block is slidingly penetrated through the fixed shell, the spring is arranged in the fixed shell, and the clamping rod is fixedly connected to the push block.
[0009] In the implementation process, the fixed shell, spring and push block are arranged, the push block is pushed by the spring, and the push block drives the clamping rod to keep the clamping cover plate under the action of no external force.
[0010] In a specific embodiment, the cover plate is fixedly connected with a connecting plate, the clamping rod is provided with a clamping hole, and the clamping rod is matched with the clamping rod.
[0011] In the implementation process, the clamping rod is provided with a clamping hole, and the clamping rod is inserted into the clamping hole to realize clamping.
[0012] In a specific embodiment, the other end of the shell is provided with a connecting ring plate, and the connecting ring plate is provided with a mounting hole.
[0013] In the implementation process, the connecting ring plate is provided and a plurality of connecting ring plates are provided, which are used to cooperate with screws to be mounted on the fan pipeline.
[0014] In a specific embodiment, the shell is provided with a mounting plate, and the galvanized mesh plate is fixedly connected to the mounting plate.
[0015] In the implementation process, the mounting plate is arranged, which is used to mount the galvanized mesh plate, so that a space is left between the galvanized mesh plate and the shell for mounting the sound-absorbing cotton.
[0016] In a specific embodiment, the galvanized mesh plate is rectangular, and the sound-absorbing cotton is located between the shell and the galvanized mesh plate.
[0017] In a specific embodiment, the supporting leg is provided with a plurality of positioning holes, and the positioning knob is threadedly connected to the positioning hole.
[0018] In the implementation process, the positioning hole is arranged, the length of the sliding supporting leg in the long pipe can be adjusted, and the positioning knob is screwed into the corresponding positioning hole for fixation.
[0019] In a specific embodiment, the bottom end of the supporting leg is fixedly connected with an anti-skid bottom plate, and the bottom end of the supporting leg is provided with a storage hole.
[0020] In the implementation process, the anti-skid bottom plate is arranged, the contact area with the supporting surface is increased, the stability is improved, the storage hole is used to store the supporting leg after entering the long pipe, and the positioning knob is screwed into the storage hole for locking.
[0021] Beneficial effects: the application provides a silencing device convenient to clean, through the shell, galvanized mesh, sound-absorbing cotton, cover plate, clamping rod and elastic piece, the cavity composed of the shell and the galvanized mesh is provided with the sound-absorbing cotton, the cover plate rotatably arranged at the end of the shell is clamped with the clamping rod and the elastic piece, the cover plate is conveniently opened and closed, and the sound-absorbing cotton and the galvanized mesh are conveniently disassembled and cleaned, through the long pipe, support leg and positioning knob, the height of the support can be adjusted as required, the fan pipe of different positions can be matched, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed to be used in the embodiments will be briefly introduced below, and it should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation to the scope, and other related drawings can also be obtained by those skilled in the art without creative labor on the basis of the drawings.
[0023] Figure 1 is a structure schematic view of the silencing device convenient to clean provided by the embodiments of the application.
[0024] Figure 2 is a structure schematic view of the shell provided by the embodiments of the application.
[0025] Figure 3 is a structure schematic view of the cover plate provided by the embodiments of the application.
[0026] Figure 4 is a structure schematic view of the connecting ring plate provided by the embodiments of the application.
[0027] Figure 5 is a structure schematic view of the elastic piece provided by the embodiments of the application.
[0028] Figure 6 is a structure schematic view of the support assembly provided by the embodiments of the application.
[0029] In the drawings: 100-silencing assembly; 110-shell; 111-connecting ring plate; 112-mounting plate; 120-galvanized mesh; 140-sound-absorbing cotton; 150-cover plate; 151-connecting plate; 160-clamping rod; 170-elastic piece; 171-fixing shell; 172-spring; 173-push block; 200-support assembly; 210-long pipe; 220-support leg; 221-positioning hole; 240-positioning knob. DETAILED DESCRIPTION
[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.
[0031] With reference to Figures 1-6 The application provides a muffling device convenient to clean, which comprises a muffling assembly 100 and a supporting assembly 200.
[0032] With reference to Figure 1 、 2 , 3, 4 and 5, the muffling assembly 100 comprises a shell 110, a galvanized mesh 120, sound-absorbing cotton 140, a cover plate 150, a clamping rod 160 and an elastic member 170. The galvanized mesh 120 is arranged in the shell 110, the sound-absorbing cotton 140 is arranged in the shell 110, the cover plate 150 is rotatably arranged at the end of the cover plate 150, the elastic member 170 is arranged at the top of the shell 110, the clamping rod 160 is connected to the elastic member 170, and the clamping rod 160 is clamped to the cover plate 150. The cover plate 150 and the bottom of the shell 110 are rotatably connected through a hinge.
[0033] The elastic member 170 comprises a fixed shell 171, a spring 172 and a push block 173. The fixed shell 171 is fixedly connected to the shell 110, the push block 173 is slidably penetrated through the fixed shell 171, and the spring 172 is arranged in the fixed shell 171. The clamping rod 160 is fixedly connected to the push block 173. By arranging the fixed shell 171, the spring 172 and the push block 173, the spring 172 pushes the push block 173, so that the push block 173 drives the clamping rod 160 to keep clamping the cover plate 150 without external force.
[0034] Specifically, the cover plate 150 is fixedly connected with a connecting plate 151, and the clamping rod 160 is provided with a clamping hole matched with the clamping rod 160. By arranging the clamping hole of the clamping rod 160, the clamping rod 160 is inserted into the clamping hole to realize clamping.
[0035] In a specific embodiment, the other end of the shell 110 is provided with a connecting ring plate 111, and the connecting ring plate 111 is provided with a mounting hole. By arranging the connecting ring plate 111 and multiple mounting holes, the connecting ring plate 111 is mounted on the fan pipeline through screws.
[0036] In this embodiment, the shell 110 is provided with a mounting plate 112, and the galvanized mesh 120 is fixedly connected to the mounting plate 112. By arranging the mounting plate 112, the galvanized mesh 120 is mounted, so that a space is left between the galvanized mesh 120 and the shell 110 for mounting the sound-absorbing cotton 140.
[0037] With reference to Figure 1 、 2And 6, the support assembly 200 includes a long tube 210, a support leg 220 and a positioning knob 240, the long tube 210 is fixedly connected to the shell 110, the support leg 220 is slidably arranged in the long tube 210, and the positioning knob 240 is rotatably penetrated through the long tube 210 and the support leg 220.
[0038] Need to be explained, the galvanized mesh plate 120 is rectangular, the sound-absorbing cotton 140 is located between the shell 110 and the galvanized mesh plate 120, the support leg 220 is provided with a plurality of positioning holes 221, and the positioning knob 240 is threadedly connected to the positioning hole 221, by providing the positioning hole 221, the length of the support leg 220 in the long tube 210 can be adjusted, and then the positioning knob 240 is screwed into the corresponding positioning hole 221 to be fixed.
[0039] In a specific embodiment, the bottom end of the support leg 220 is fixedly connected with an antiskid bottom plate, and the bottom end of the support leg 220 is provided with a storage hole, by arranging the antiskid bottom plate, the contact area with the supporting surface is increased, and the stability is improved, and the storage hole is used to store the support leg 220 after entering the long tube 210, and the positioning knob 240 is screwed into the storage hole to be locked.
[0040] The working principle of the convenient-to-clean muffling device is as follows: during use, when cleaning is needed, the two push blocks 173 are pulled to move, the push block 173 extrudes the spring 172, the push block 173 drives the clamping rod 160 to move, the clamping rod 160 moves out of the clamping hole of the connecting plate 151, and then the cover plate 150 can be rotated, the sound-absorbing cotton 140 can be taken out from between the shell 110 and the galvanized mesh plate 120, and the galvanized mesh plate 120 can be cleaned and the sound-absorbing cotton 140 can be replaced, after cleaning and replacement, the two push blocks 173 are pulled to move first, and the cover plate 150 is closed, the spring 172 is used to drive the push block 173, so that the push block 173 drives the clamping rod 160 to be inserted into the clamping hole to be clamped without external force, the cover plate 150 is conveniently opened and closed, and then the sound-absorbing cotton 140 and the galvanized mesh plate 120 are conveniently disassembled, cleaned and replaced, and further, in the initial installation stage, the height of the fan pipeline air outlet can be adjusted according to the installation, the length of the support leg 220 in the long tube 210 is adjusted, and then the positioning knob 240 is screwed into the corresponding positioning hole 221 to be fixed, so that the fan pipeline is adapted to different positions, and the practicability is improved.
[0041] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A muffling device which is easy to clean, characterized in that The muffling assembly (100) comprises an outer shell (110), a galvanized mesh (120), sound-absorbing cotton (140), a cover plate (150), a clamping rod (160) and an elastic member (170), the galvanized mesh (120) is arranged in the outer shell (110), the sound-absorbing cotton (140) is arranged in the outer shell (110), the cover plate (150) is rotatably arranged at the end of the cover plate (150), the elastic member (170) is arranged at the top of the outer shell (110), the clamping rod (160) is connected to the elastic member (170), and the clamping rod (160) is clamped to the cover plate (150). The support assembly (200) comprises a long tube (210), a support leg (220) and a positioning knob (240), the long tube (210) is fixedly connected to the outer shell (110), the support leg (220) is slidably arranged in the long tube (210), and the positioning knob (240) is rotatably penetrated through the long tube (210) and the support leg (220). The elastic member (170) comprises a fixed shell (171), a spring (172) and a push block (173), the fixed shell (171) is fixedly connected to the outer shell (110), the push block (173) is slidably penetrated through the fixed shell (171), the spring (172) is arranged in the fixed shell (171), and the clamping rod (160) is fixedly connected to the push block (173).
2. A device according to claim 1, wherein, The cover plate (150) is fixedly connected with a connecting plate (151), the clamping rod (160) is provided with a clamping hole matched with the clamping rod (160).
3. A device according to claim 1, wherein, The other end of the outer shell (110) is provided with a connecting ring plate (111) provided with a mounting hole.
4. A device according to claim 1, wherein, The outer shell (110) is provided with a mounting plate (112), and the galvanized mesh (120) is fixedly connected to the mounting plate (112).
5. A device according to claim 1, wherein, The galvanized mesh (120) is in a rectangular shape, and the sound-absorbing cotton (140) is located between the outer shell (110) and the galvanized mesh (120).
6. A device according to claim 1, wherein, The support leg (220) is provided with a plurality of positioning holes (221), and the positioning knob (240) is threadedly connected to the positioning holes (221).
7. A device according to claim 1, wherein, The bottom end of the support leg (220) is fixedly connected with an anti-skid bottom plate, and the bottom end of the support leg (220) is provided with a storage hole.
8. A cleanable muffling device according to claim 1, wherein