Wedge array type silencer with metal shell

By introducing filtering and collection structures into the metal shell slit array muffler, the problem of debris blockage in the airflow is solved, ensuring the efficiency and environmental protection of the muffler, and reducing maintenance difficulty.

CN222190273UActive Publication Date: 2024-12-17JIANGSU YISHI ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202420635687.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-17
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

During long-term use, dust and other debris in the airflow may clog the sharp-split plate of the metal array muffler, affecting its muffler effect.

Method used

A metal shell tip-splitting array muffler is designed, which includes a filter structure and a collection structure. The filter structure removes dust from the airflow through the filter plate and brush. The collection structure collects dust through the filter element and water to ensure smooth airflow and avoid debris accumulation. .

Benefits of technology

It effectively prevents debris from being blocked, maintains the efficiency of the muffler, reduces maintenance difficulty and avoids secondary pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wedge array type silencer with a metal shell, which relates to the technical field of silencing and comprises a box body, a nonmetal frame is fixedly connected to an inner cavity of the box body, a plurality of supporting rods are fixedly connected to the front end and the rear end of the interior of the box body, and conical sleeves are fixedly connected to the opposite surfaces of the supporting rods located on the front side and the rear side. And wedge hole plates are fixedly connected to the opposite faces of the conical sleeves located on the front side and the rear side, filtering structures are fixedly installed on the front portion and the rear portion of the box body, collecting structures are fixedly installed at the bottoms of the filtering structures, and each filtering structure comprises two filtering plates and two supports. According to the wedge array type silencer with the metal shell, airflow passing through the wedge hole plate can be filtered under the action of the filtering structure, smoothness of the airflow passing through the wedge hole plate is guaranteed, and therefore the situation that sundries in air are accumulated on holes of the wedge hole plate, the holes are blocked, and the silencing effect of the silencer is affected is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of muffler, in particular to a metal shell wedge array type muffler. Background Art

[0002] The metal shell wedge array silencer is a specially designed silencer, mainly used to reduce the noise generated when air flows through. Its special design enables it to play a role in various occasions where airflow noise needs to be reduced, such as ventilation systems, air conditioning systems, industrial equipment, etc. The overall appearance is flat and beautiful, and the frame is strong and durable, and it is not easy to deform even if it is hung for a long time; all the materials used are environmentally friendly and harmless to the environment; the manufacturing process is mature, the cost is low, and the cost performance is high.

[0003] For example, the Chinese patent with the publication number CN209980776U discloses a metal shell wedge array type silencer, which is composed of a channel steel outer frame, a bracket, a non-metallic shell inner frame and a metal shell with a wedge type silencer unit, and is characterized in that the channel steel outer frame is welded into one piece, the non-metallic inner frame is filled with glass wool and then loaded into the channel steel outer frame, the bracket is fixed to the channel steel outer frame with fasteners, the metal shell wedge type silencer unit is arranged in an array and fixed to the bracket with fasteners, and the metal shell wedge type silencer unit is made of a perforated plate, with wedge-shaped ends, and the side of the perforated plate in contact with the glass wool is pasted with anti-horizontal grain glass fiber cloth, and the wedge type silencer unit is filled with glass wool. Since the air intake is wedge-shaped, it plays a guiding role, with small resistance and high efficiency.

[0004] The existing technology has the following problems:

[0005] In actual use, metal array silencers are usually installed in air flow pipes, such as ventilation ducts, air conditioning systems, industrial equipment, etc. During long-term use, dust and other debris in the air flow may be blocked on the surface of the wedge-shaped perforated plate, resulting in the air flow not being able to pass smoothly, which may affect the silencer effect of the wedge-shaped perforated plate. Utility Model Content

[0006] The utility model provides a metal shell wedge array type muffler to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A metal shell wedge array silencer comprises a box body, an inner cavity of the box body is fixedly connected to a non-metallic frame, the front and rear ends of the box body are fixedly connected to a plurality of support rods, the opposite surfaces of the support rods on the front and rear sides are fixedly connected to conical sleeves, the opposite surfaces of the conical sleeves on the front and rear sides are fixedly connected to wedge perforated plates, the front and rear parts of the box body are fixedly installed with a filtering structure, and the bottom of the filtering structure is fixedly installed with a collecting structure.

[0009] Preferably, the filtering structure includes two filter plates and two brackets, and the four corners at the front and rear ends of the box are fixedly connected with blocks, the inner walls of the four front blocks and the inner walls of the four rear blocks are respectively clamped with the four corners of the front of the two filter plates at the front and rear positions, and the left and right positions in the middle of the two filter plates are both plugged with first buckles, and the outer walls of the two first buckles at the front and the outer walls of the two first buckles at the rear are respectively plugged with the left and right positions in the middle of the front and rear sides of the box.

[0010] Preferably, the opposing surfaces of the two brackets are provided with slide grooves, the interiors of the two slide grooves are slidably connected with brushes, and the opposing surfaces of the front and rear brushes overlap the front and rear sides of the front and rear filter plates respectively.

[0011] Preferably, the bottom ends of the two slide grooves are rotatably connected to reciprocating screw rods, and the top ends of the two reciprocating screw rods extend out the top ends of the two brackets, and a mounting bracket is fixedly connected to the upper position of the front end of the front bracket, and the bottom end of the inner cavity of the mounting bracket is fixedly installed with a motor, and the output end of the motor is fixedly connected to the first gear, and the rear end of the outer wall of the first gear is meshed and connected to the second gear, and the bottom end of the second gear is fixedly connected to the top end of the reciprocating screw rod at the front, and the top end of the first gear is fixedly installed with a transmission assembly, and the transmission assembly includes two transmission gears and a toothed belt, and the outer walls of the two transmission gears are meshed and connected with the inner wall of the toothed belt, and the axis center of the bottom end of the transmission gear at the front is fixedly connected to the axis center of the top end of the first gear, and the axis center of the bottom end of the transmission gear at the rear is fixedly connected to the top end of the reciprocating screw rod at the rear, and the transmission assembly is located inside the mounting bracket.

[0012] Preferably, card frames are fixedly connected to the upper and lower positions of the front and rear ends of the filter plate, and the inner walls of the card frames located at the upper and lower positions on the front and rear sides are respectively clamped with the upper and lower positions on the opposite sides of the brackets located at the front and rear positions, and second buckles are inserted into the left and right positions of the bottom and top of the two brackets, and the outer walls of the second buckles at the upper and lower positions on the front and rear sides are respectively plugged into the upper and lower positions of the two front and rear filter plates.

[0013] Preferably, the collecting structure comprises two collecting frames and two filter elements, the middle parts of the bottom ends of the two collecting frames are overlapped on the top ends of the bottoms of the two brackets respectively, the left and right positions of the bottoms of the two collecting frames are plugged with third buckles, and the outer walls of the third buckles located at the left and right positions on the front and rear sides are respectively plugged with the middle parts of the bottom blocks on the front and rear sides.

[0014] Preferably, a water outlet pipe is fixedly connected to the left position of the bottom of the two collecting frames, a water valve is fixedly installed on the outer wall of the two water outlet pipes, and the top ends of the two water valves are fixedly installed on the bottom ends of the two collecting frames respectively.

[0015] Preferably, the four corners of the bottom of the inner cavity of the two collection frames are fixedly connected to limiting columns, the outer walls of the tops of the four limiting columns at the front and rear positions are respectively movably connected to the four corners of the bottom of the filter element at the front and rear positions, the tops of the four limiting columns at the front and rear positions are clamped with fixing plugs, and the fixing plugs at the front and rear positions are respectively located above the filter elements at the front and rear positions.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a metal shell wedge array type silencer, which can filter the airflow passing through the wedge orifice plate through the filtering structure, ensure the smoothness of the airflow passing through the wedge orifice plate, and thus avoid the accumulation of debris in the air on the holes of the wedge orifice plate, thereby causing the holes to be blocked and affecting the silencer effect of the silencer.

[0018] 2. The utility model provides a metal shell wedge array silencer, which can collect dust and other dirt filtered out by the filtering structure through the collection structure, avoiding the accumulation of dust and the like at both ends of the metal shell wedge array silencer to cause secondary pollution. At the same time, waste can be collected for unified treatment, thereby reducing the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the pointed wedge plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the filter plate structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the support structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the reciprocating screw structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the collection frame structure of the utility model;

[0025] Figure 7 This is a schematic diagram of the filter element structure of the utility model.

[0026] In the figure: 1. box body; 2. support rod; 3. conical sleeve; 4. pointed orifice plate; 5. non-metallic frame; 6. filtering structure; 61. block; 62. filter plate; 63. first buckle; 64. card frame; 65. bracket; 66. second buckle; 67. slide; 68. brush; 69. mounting frame; 610. motor; 611. first gear; 612. second gear; 613. reciprocating screw; 614. transmission assembly; 7. collecting structure; 71. collecting frame; 72. third buckle; 73. water outlet pipe; 74. water valve; 75. filter element; 76. limit column; 77. fixing plug. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] like Figure 1 and Figure 2 As shown, a metal shell wedge array silencer includes a box body 1, an inner cavity of the box body 1 is fixedly connected to a non-metallic frame 5, a plurality of support rods 2 are fixedly connected to the front and rear ends of the box body 1, opposite surfaces of the support rods 2 on the front and rear sides are fixedly connected to conical sleeves 3, opposite surfaces of the conical sleeves 3 on the front and rear sides are fixedly connected to wedge perforated plates 4, a filtering structure 6 is fixedly installed on the front and rear parts of the box body 1, and a collecting structure 7 is fixedly installed on the bottom of the filtering structure 6.

[0029] By providing the filtering structure 6, the airflow passing through the wedge-shaped perforated plate 4 can be filtered, thereby removing dust particles mixed in the airflow, and preventing debris from clogging the wedge-shaped perforated plate 4 and reducing its noise reduction effect.

[0030] like Figure 3 As shown, the filtering structure 6 includes two filter plates 62 and two brackets 65, and the four corners at the front and rear ends of the box body 1 are fixedly connected with blocks 61, and the inner walls of the four front blocks 61 and the inner walls of the four rear blocks 61 are respectively clamped with the four corners of the front of the two filter plates 62 at the front and rear positions, and the left and right positions of the middle of the two filter plates 62 are both plugged with first buckles 63, and the outer walls of the two first buckles 63 at the front and the outer walls of the two first buckles 63 at the rear are respectively plugged with the left and right positions in the middle of the front and rear sides of the box body 1.

[0031] By providing the filter plate 62 , a filtering effect can be achieved, and dust and other debris in the air flow passing through the filter plate 62 can be removed.

[0032] like Figure 4 As shown, the opposite surfaces of the two brackets 65 are provided with slide grooves 67, and the insides of the two slide grooves 67 are slidably connected with brushes 68. The opposite surfaces of the front and rear brushes 68 overlap the front and rear sides of the front and rear filter plates 62 respectively.

[0033] By providing the brush 68, the surface of the filter plate 62 can be cleaned, thereby preventing dust particles from being blocked on the surface of the filter plate 62 and affecting its filtering effect.

[0034] like Figure 4 and Figure 5 As shown, the bottom ends of the two slide grooves 67 are rotatably connected with reciprocating screw rods 613, and the top ends of the two reciprocating screw rods 613 extend out of the top ends of the two brackets 65. A mounting frame 69 is fixedly connected to the upper position of the front end of the front bracket 65, and a motor 610 is fixedly installed at the bottom end of the inner cavity of the mounting frame 69. The output end of the motor 610 is fixedly connected with a first gear 611, and the rear part of the outer wall of the first gear 611 is meshedly connected with a second gear 612. The bottom end of the second gear 612 is fixedly connected to the top end of the reciprocating screw rod 613 at the front, and a transmission assembly 614 is fixedly installed on the top end of the first gear 611. The transmission assembly 614 includes two transmission gears and a toothed belt. The outer walls of the two transmission gears are meshedly connected with the inner wall of the toothed belt. The axis at the bottom end of the front transmission gear is fixedly connected to the axis at the top end of the first gear 611, and the axis at the bottom end of the rear transmission gear is fixedly connected to the top end of the reciprocating screw rod 613 at the rear. The transmission assembly 614 is located inside the mounting frame 69.

[0035] By providing a reciprocating screw rod 613, the brush 68 can be driven to slide up and down under the driving action of the motor 610, thereby ensuring the cleaning area and cleaning effect.

[0036] like Figure 4 As shown, the upper and lower positions of the front and rear ends of the filter plate 62 are fixedly connected with a card frame 64, and the inner walls of the card frame 64 at the upper and lower positions on the front and rear sides are respectively clamped with the upper and lower positions on the opposite sides of the front and rear brackets 65, and the left and right positions of the bottom and top of the two brackets 65 are plugged with second buckles 66, and the outer walls of the second buckles 66 at the upper and lower positions on the front and rear sides are respectively plugged with the upper and lower positions of the front and rear filter plates 62.

[0037] By providing the second buckle 66 , the bracket 65 and the filter plate 62 can be fixed, thereby facilitating the disassembly and assembly of the bracket 65 .

[0038] like Figure 6As shown, the collecting structure 7 includes two collecting frames 71 and two filter elements 75. The middle parts of the bottom ends of the two collecting frames 71 are overlapped on the top ends of the bottoms of the two brackets 65 respectively. The left and right positions of the bottoms of the two collecting frames 71 are plugged with third buckles 72. The outer walls of the third buckles 72 located at the left and right positions on the front and rear sides are plugged with the middle parts of the bottom blocks 61 on the front and rear sides respectively.

[0039] By providing the collection frame 71 and injecting a certain amount of water into the collection frame 71, dust and the like falling from above can be collected.

[0040] like Figure 6 As shown, a water outlet pipe 73 is fixedly connected to the left position of the bottom of the two collecting frames 71 , and a water valve 74 is fixedly installed on the outer wall of the two water outlet pipes 73 . The top ends of the two water valves 74 are fixedly installed on the bottom ends of the two collecting frames 71 .

[0041] By providing the water valve 74 and the water outlet pipe 73 , it is convenient to replace the water inside the collection frame 71 , thereby achieving the effect of facilitating maintenance.

[0042] like Figure 6 and Figure 7 As shown, the four corners of the bottom of the inner cavity of the two collecting frames 71 are fixedly connected to the limiting columns 76, the outer walls of the tops of the four limiting columns 76 at the front and rear positions are movably connected with the four corners of the bottom of the filter element 75 at the front and rear positions, and the tops of the four limiting columns 76 at the front and rear positions are clamped with fixing plugs 77, and the fixing plugs 77 at the front and rear positions are respectively located above the filter element 75 at the front and rear positions.

[0043] By providing the filter element 75 , impurities in the water can be filtered and absorbed, thereby extending the service life of the water inside the collection frame 71 .

[0044] The working principle of the utility model is as follows: when in use, the box body 1 is first installed in a suitable position. When the airflow passes through the inside of the box body 1, the sound waves are absorbed under the action of the sharp wedge hole plate 4, thereby achieving the effect of silencing. The four corners of the filter plate 62 are clamped between the four clamping blocks 61, and the filter plate 62 is fixed by the first clamp 63. The upper and lower positions of the bracket 65 are clamped in the clamp frame 64 at the upper and lower positions of the filter plate 62, and the second clamp 66 is used to fix it. At this time, the filter plate 62 filters the airflow passing through the sharp wedge hole plate 4, removes dust and other debris, and then starts the motor 610. At the first gear 611, the second gear 612 and Under the joint action of the transmission assembly 614, the two reciprocating screws 613 rotate synchronously and in the same direction, thereby driving the two brushes 68 to clean the surfaces of the two filter plates 62, and remove debris that may be adsorbed on the surfaces of the filter plates 62. The removed dust and the like fall into the collection frame 71 and are absorbed by the moisture in the collection frame 71. In the collection frame 71, the dust and other debris are then absorbed by the filter element 75. Thereafter, the water in the collection frame 71 can be replaced by opening the water valve 74, the filter element 75 can be replaced by removing the fixing plug 77, and the collection frame 71 can be removed by removing the third buckle 72, thereby facilitating its maintenance.

[0045] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A metal shell wedge array muffler, comprising a housing (1), characterized in that: The inner cavity of the box body (1) is fixedly connected to a non-metallic frame (5), the front and rear ends of the box body (1) are fixedly connected to a plurality of support rods (2), the opposite surfaces of the support rods (2) on the front and rear sides are fixedly connected to conical sleeves (3), the opposite surfaces of the conical sleeves (3) on the front and rear sides are fixedly connected to pointed perforated plates (4), the front and rear parts of the box body (1) are fixedly installed with a filtering structure (6), and the bottom of the filtering structure (6) is fixedly installed with a collecting structure (7).

2. A metal shell wedge array muffler according to claim 1, characterized in that: The filtering structure (6) comprises two filter plates (62) and two brackets (65); four corners at the front and rear ends of the box body (1) are fixedly connected with clamping blocks (61); the inner walls of the four clamping blocks (61) located at the front and the inner walls of the four clamping blocks (61) located at the rear are respectively clamped with the four corners of the front of the two filter plates (62) located at the front and rear positions; the left and right positions of the middle of the two filter plates (62) are both plugged with first clamping buckles (63); the outer walls of the two first clamping buckles (63) located at the front and the outer walls of the two first clamping buckles (63) located at the rear are respectively plugged with the left and right positions of the middle of the front and rear sides of the box body (1).

3. A metal shell wedge array muffler according to claim 2, characterized in that: The opposing surfaces of the two brackets (65) are provided with sliding grooves (67), the interiors of the two sliding grooves (67) are slidably connected with brushes (68), and the opposing surfaces of the front and rear brushes (68) are overlapped with the front and rear sides of the front and rear filter plates (62) respectively.

4. A metal shell wedge array muffler according to claim 3, characterized in that: The bottom ends of the two slide grooves (67) are rotatably connected to reciprocating screw rods (613), the top ends of the two reciprocating screw rods (613) extend out of the top ends of the two brackets (65), a mounting frame (69) is fixedly connected to the upper position of the front end of the front bracket (65), a motor (610) is fixedly installed at the bottom end of the inner cavity of the mounting frame (69), the output end of the motor (610) is fixedly connected to a first gear (611), the rear part of the outer wall of the first gear (611) is meshedly connected to a second gear (612), the bottom end of the second gear (612) is meshed with the The top end of the reciprocating screw rod (613) at the front is fixedly connected, and the top end of the first gear (611) is fixedly installed with a transmission assembly (614), and the transmission assembly (614) includes two transmission gears and a toothed belt, and the outer walls of the two transmission gears are meshed and connected with the inner wall of the toothed belt. The axis center of the bottom end of the transmission gear at the front is fixedly connected to the axis center of the top end of the first gear (611), and the axis center of the bottom end of the transmission gear at the rear is fixedly connected to the top end of the reciprocating screw rod (613) at the rear. The transmission assembly (614) is located inside the mounting frame (69).

5. The metal shell wedge array muffler according to claim 2, characterized in that: The filter plate (62) is fixedly connected with a clamping frame (64) at the upper and lower positions of both front and rear ends, and the inner walls of the clamping frame (64) at the upper and lower positions of the front and rear sides are respectively clamped with the upper and lower positions of the opposite sides of the brackets (65) at the front and rear positions, and the left and right positions of the bottom and top of the two brackets (65) are plugged with second clamps (66), and the outer walls of the second clamps (66) at the upper and lower positions of the front and rear sides are respectively plugged with the upper and lower positions of the two front and rear filter plates (62).

6. The metal shell wedge array muffler according to claim 2, characterized in that: The collecting structure (7) comprises two collecting frames (71) and two filter elements (75); the middle parts of the bottom ends of the two collecting frames (71) are respectively overlapped with the top ends of the bottom ends of the two brackets (65); the left and right positions of the bottom ends of the two collecting frames (71) are both plugged with third buckles (72); the outer walls of the third buckles (72) located at the left and right positions of the front and rear sides are respectively plugged with the middle parts of the bottom clamping blocks (61) at the front and rear sides.

7. The metal shell wedge array muffler according to claim 6, characterized in that: A water outlet pipe (73) is fixedly connected to the left side of the bottom of the two collecting frames (71), and a water valve (74) is fixedly installed on the outer wall of the two water outlet pipes (73). The top ends of the two water valves (74) are respectively fixedly installed on the bottom ends of the two collecting frames (71).

8. The metal shell wedge array muffler according to claim 6, characterized in that: The four corners of the bottom of the inner cavity of the two collecting frames (71) are fixedly connected to the limiting columns (76), the outer walls of the tops of the four limiting columns (76) at the front and rear positions are movably connected to the four corners of the bottom of the filter element (75) at the front and rear positions, and the tops of the four limiting columns (76) at the front and rear positions are clamped with fixing plugs (77), and the fixing plugs (77) at the front and rear positions are respectively located above the filter elements (75) at the front and rear positions.