Corrosion-resistant silencer

Abstract

The corrosion-resistant silencer comprises a first shell and a second shell, the inner wall of the first shell and the inner wall of the second shell are each provided with a first silencing layer, the outer wall of the first shell and the outer wall of the second shell are each provided with a first sliding groove and a second sliding groove, and a first sealing baffle is arranged in the first sliding groove in a sliding mode through a first limiting plate; a first sealing baffle is arranged in the first sliding groove, a first pipe penetrating groove is formed in one side of the first sealing baffle, a second sealing baffle is arranged in the second sliding groove, a second pipe penetrating groove is formed in one side of the second sealing baffle, and the first shell and the second shell are fixedly connected through a connecting arm and a fixing bolt. The sewage pump is subjected to noise reduction treatment through the first noise reduction layer on the inner wall of the shell, the shells are conveniently clamped and fixed to the outer portions of a water inlet pipe and a water outlet pipe of the sewage pump through the sealing baffles, the first pipe penetrating grooves and the second pipe penetrating grooves arranged in the first shell and the second shell, the mounting and fixing stability is high, and dismounting and mounting are convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of silencing equipment, in particular to a corrosion-resistant silencer. Background Technique

[0002] Sewage treatment: The process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it. Sewage treatment is widely applied in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and is also increasingly entering the daily life of ordinary people. Sewage pumps are required during the sewage treatment process. Sewage pumps belong to a type of centrifugal impurity pump and have various forms, such as two types: submersible and dry. The most commonly used submersible type is the QW type submersible sewage pump, and the most common dry sewage pumps are two types, such as the W type horizontal sewage pump and the WL type vertical sewage pump. They are mainly used to transport urban sewage, feces, or liquids containing fibers. Sewage pumps will generate relatively large noise during use, causing certain environmental pollution.

[0003] In the prior art, a sewage pump with the application number 202020469992.3 includes a bottom plate. One side of the top of the bottom plate is installed with a motor by screws, and the pump body is installed on the top of the bottom plate by bolts. The power output end of the motor is connected to the pump body through a coupling, and a sound insulation board is provided outside the motor and the pump body. Sound absorption holes are opened on the surface of the sound absorption board, and protrusions are provided in the sound absorption holes. A sound insulation board is provided outside the sound absorption board. One side of the top of the pump body is provided with a feed pipe, and one end of the feed pipe passes through the sound insulation board and the sound absorption board and is connected to a filter pipe by bolts. One side of the bottom of the filter pipe is provided with a waste discharge pipe integrated with it. One end of the top of the bottom plate is welded with a vertical plate, and a limit plate is installed at the top of one end of the vertical plate by screws. One side of the limit plate is installed with a spring by screws, and one end of the spring is installed with a first arc-shaped block and a second arc-shaped block by screws. This utility model of a sewage pump has a reasonable structure and is convenient to use, and is suitable for being widely promoted and used. However, it is not convenient to install and fix the sound absorption shell, and it is also difficult to meet the installation and fixation requirements of the water inlet pipe and the water outlet pipe of sewage pumps at different positions. Content of the Utility Model

[0004] The purpose of the utility model is to provide a corrosion-resistant silencer to solve the problems in the prior art that it is not convenient to install and fix the sound absorption shell, and it is also difficult to meet the installation and fixation requirements of the water inlet pipe and the water outlet pipe of sewage pumps at different positions.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A corrosion-resistant silencer, comprising a first outer shell and a second outer shell. The inner walls of the first outer shell and the second outer shell are both provided with a first sound-absorbing layer. The outer walls of the first outer shell and the second outer shell are both provided with a first sliding groove and a second sliding groove. A first sealing baffle is slidably arranged in the first sliding groove through a first limiting plate. A first pipe-passing groove is arranged on one side of the first sealing baffle. A second sealing baffle is arranged in the second sliding groove through a second limiting plate. A second pipe-passing groove is arranged on one side of the second sealing baffle. The first outer shell and the second outer shell are fixedly connected through a connecting arm and a fixing bolt.

[0006] Further, two groups of the first sliding groove, the first limiting plate and the first sealing baffle are symmetrically arranged, and two groups of the second sliding groove, the second limiting plate and the second sealing baffle are symmetrically arranged.

[0007] Further, both the first sealing baffle and the second sealing baffle are rectangular plates, and a first sealing gasket is arranged on the inner walls of the first sealing baffle and the second sealing baffle.

[0008] Further, a first locking bolt is threadedly arranged on the upper part of the first sealing baffle, and a second locking bolt is threadedly arranged on the upper part of the second sealing baffle.

[0009] Further, the connecting arm includes a first connecting arm and a second connecting arm respectively arranged on the outer sides of the first outer shell and the second outer shell, and multiple groups of the first connecting arm and the second connecting arm are arranged in parallel.

[0010] Further, first heat dissipation holes are arranged on the outer walls of the first outer shell and the second outer shell. A plurality of rollers are rotatably arranged in the first heat dissipation holes through connecting shafts. A second sound-absorbing layer is arranged on the outer sides of the rollers.

[0011] Further, the plurality of rollers are arranged in parallel at equal intervals, and second heat dissipation holes are arranged inside the rollers.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. In the present utility model, the first outer shell and the second outer shell are fixedly connected through a connecting arm and a fixing bolt, and the inner walls of the first outer shell and the second outer shell are both provided with a first sound-absorbing layer. The first outer shell and the second outer shell are sleeved outside the sewage pump, and the first sound-absorbing layer on the inner wall of the shell is used to perform sound-absorbing treatment on the sewage pump.

[0014] 2. Moreover, the utility model is provided with a first sealing baffle, a second sealing baffle, a first pipe-passing groove and a second pipe-passing groove inside the first housing and the second housing, which facilitates the clamping and fixing of the housing outside the water inlet pipe and the water outlet pipe of the sewage pump. Moreover, the installation and fixing stability is relatively high, and the disassembly and assembly are convenient and fast. At the same time, the first sealing baffle and the second sealing baffle can move and adjust relative to the sliding groove, so that the using positions of the first pipe-passing groove and the second pipe-passing groove can be adjusted, thereby meeting the installation and fixing requirements of the water inlet pipe and the water outlet pipe of the sewage pump at different positions.

[0015] 3. The utility model is provided with a first heat dissipation hole on the outer walls of the first housing and the second housing. Inside the first heat dissipation hole, a plurality of rollers are rotatably arranged through a connecting shaft. A second sound insulation layer is arranged on the outer side of the roller. The plurality of rollers are arranged side by side at equal intervals, and second heat dissipation holes are arranged inside the rollers. This enables ventilation and heat dissipation of the sewage pump covered inside the first housing and the second housing through the second heat dissipation holes. At the same time, when the second heat dissipation holes are not in use, the rollers can be rotated by 90 degrees to close, preventing dust from entering the housing at this time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the structure of the first housing of the present utility model;

[0019] Figure 3 is a schematic cross-sectional view of the roller of the present utility model.

[0020] In the figure: 1. First housing; 2. Second housing; 3. First sliding groove; 4. First sealing baffle; 5. First limiting plate; 6. First pipe-passing groove; 7. First locking bolt; 8. First connecting arm; 9. Second connecting arm; 10. Fixing bolt; 11. First heat dissipation hole; 12. Roller; 13. Second heat dissipation hole; 14. Second sliding groove; 15. Second sealing baffle; 16. Second pipe-passing groove; 17. First sound insulation layer; 18. Second sound insulation layer; 19. Second limiting plate; 20. Second locking bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , in the embodiments of the present utility model, a corrosion-resistant silencer includes a first outer shell 1 and a second outer shell 2. The inner walls of the first outer shell 1 and the second outer shell 2 are both provided with a first sound-absorbing layer 17. The first outer shell 1 and the second outer shell 2 are fixedly connected by connecting arms and fixing bolts 10. The connecting arms include a first connecting arm 8 and a second connecting arm 9 respectively arranged on the outer sides of the first outer shell 1 and the second outer shell 2, and multiple groups of the first connecting arm 8 and the second connecting arm 9 are arranged in parallel. The first outer shell 1 and the second outer shell 2 are sleeved outside the sewage pump. The first sound-absorbing layer 17 on the inner wall of the outer shell is used to perform sound-absorbing treatment on the sewage pump. Moreover, the installation and fixation of the first outer shell 1 and the second outer shell 2 are relatively stable, and the disassembly and assembly are convenient and fast.

[0023] As Figure 1 and Figure 2 shown, in order to meet the installation and fixation requirements of the water inlet pipe and the water outlet pipe of the sewage pump at different positions, first chutes 3 and second chutes 14 are also provided on the outer walls of the first outer shell 1 and the second outer shell 2. A first sealing baffle 4 is slidably arranged in the first chute 3 through a first limiting plate 5. A first pipe-passing groove 6 is arranged on one side of the first sealing baffle 4. A second sealing baffle 15 is arranged in the second chute 14 through a second limiting plate 19. A second pipe-passing groove 16 is arranged on one side of the second sealing baffle 15. The first pipe-passing groove 6 and the second pipe-passing groove 16 are used to facilitate the clamping and fixing of the first outer shell 1 and the second outer shell 2 outside the water inlet pipe and the water outlet pipe of the sewage pump for the installation and fixation of the silencing mechanism. Moreover, the installation and fixation are relatively stable, and the disassembly and assembly are convenient and fast. Two groups of the first chute 3, the first limiting plate 5 and the first sealing baffle 4 are symmetrically arranged. Two groups of the second chute 14, the second limiting plate 19 and the second sealing baffle 15 are symmetrically arranged. Both the first sealing baffle 4 and the second sealing baffle 15 are rectangular plates, and a first sealing gasket is arranged on the inner walls of the first sealing baffle 4 and the second sealing baffle 15, so that the first sealing baffle 4 and the second sealing baffle 15 can move and adjust relative to the chutes, thereby being able to adjust the use positions of the first pipe-passing groove 6 and the second pipe-passing groove 16, and further meeting the installation and fixation requirements of the water inlet pipe and the water outlet pipe of the sewage pump at different positions.

[0024] As Figure 1 and Figure 2As shown, in order to position the sealing baffle, a first locking bolt 7 is also provided with a thread on the upper part of the first sealing baffle 4, and a second locking bolt 20 is provided with a thread on the upper part of the second sealing baffle 15, so as to facilitate the positioning of the first sealing baffle 4 and the second sealing baffle 15 after moving and adjusting.

[0025] As Figure 1 and Figure 3 As shown, in order to improve the flexibility of heat dissipation use, first heat dissipation holes 11 are also provided on the outer walls of the first housing 1 and the second housing 2. A plurality of rollers 12 are rotatably provided inside the first heat dissipation holes 11 through connecting shafts. A second sound insulation layer 18 is provided on the outer side of the rollers 12. The plurality of rollers 12 are arranged side by side at equal intervals, and second heat dissipation holes 13 are provided inside the rollers 12, so as to facilitate the ventilation and heat dissipation treatment of the sewage pump covered inside the first housing 1 and the second housing 2 by using the second heat dissipation holes 13. At the same time, when the second heat dissipation holes 13 are not used, the rollers 12 can be rotated by 90 degrees to be closed, preventing dust from entering the first housing 1 and the second housing 2 to contaminate the sewage pump at this time.

[0026] The working principle and usage process of the present utility model: When in use, through the first sound insulation layer 17 provided on the inner walls of both the first housing 1 and the second housing 2, the first housing 1 and the second housing 2 are fixedly connected by a connecting arm and a fixing bolt 10. The first housing 1 and the second housing 2 are covered outside the sewage pump, and the first sound insulation layer 17 on the inner wall of the housing is used to perform sound insulation treatment on the sewage pump. Moreover, the first housing 1 and the second housing 2 are highly stable in installation and fixation, and are convenient and quick to disassemble and assemble.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A corrosion-resistant silencer, comprising a first outer shell (1) and a second outer shell (2), characterized in that: The inner walls of the first housing (1) and the second housing (2) are both provided with a first sound insulation layer (17). The outer walls of the first housing (1) and the second housing (2) are both provided with a first sliding groove (3) and a second sliding groove (14). A first sealing baffle (4) is slidably arranged in the first sliding groove (3) through a first limiting plate (5). A first pipe-passing groove (6) is arranged on one side of the first sealing baffle (4). A second sealing baffle (15) is arranged in the second sliding groove (14) through a second limiting plate (19). A second pipe-passing groove (16) is arranged on one side of the second sealing baffle (15). The first housing (1) and the second housing (2) are fixedly connected by a connecting arm and a fixing bolt (10).

2. The corrosion-resistant silencer according to claim 1, characterized in that: Two groups of the first sliding groove (3), the first limiting plate (5) and the first sealing baffle (4) are symmetrically arranged. Two groups of the second sliding groove (14), the second limiting plate (19) and the second sealing baffle (15) are symmetrically arranged.

3. A corrosion-resistant silencer according to claim 2, characterized in that: Both the first sealing baffle (4) and the second sealing baffle (15) are rectangular plates, and a first sealing gasket is arranged on the inner walls of the first sealing baffle (4) and the second sealing baffle (15).

4. A corrosion-resistant silencer according to claim 2, characterized in that: A first locking bolt (7) is threadedly arranged on the upper part of the first sealing baffle (4). A second locking bolt (20) is threadedly arranged on the upper part of the second sealing baffle (15).

5. A corrosion-resistant muffler according to claim 1, characterized in that: The connecting arm includes a first connecting arm (8) and a second connecting arm (9) respectively arranged on the outer sides of the first housing (1) and the second housing (2), and multiple groups of the first connecting arm (8) and the second connecting arm (9) are arranged in parallel.

6. A corrosion-resistant silencer according to claim 1, characterized in that: The outer walls of the first housing (1) and the second housing (2) are provided with first heat dissipation holes (11). A plurality of rollers (12) are rotatably arranged inside the first heat dissipation holes (11) through connecting shafts. A second sound insulation layer (18) is arranged on the outer sides of the rollers (12).

7. The corrosion-resistant muffler according to claim 6, characterized in that: The plurality of rollers (12) are arranged in parallel at equal intervals, and second heat dissipation holes (13) are arranged inside the rollers (12).

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