Adjustable circular inlet silencing sheet

Abstract

The utility model relates to the technical field of silencers, and discloses an adjustable circular inlet silencing piece which comprises a silencing shell, a plurality of silencing holes evenly distributed at intervals are formed in the silencing shell, a slidable side blocking frame is installed on the surface of the inner side wall of the silencing shell, slidable transverse blocking frames are installed on the inner wall of the top and the inner wall of the bottom of the silencing shell, and the silencing holes are formed in the silencing shell. A slidable dust removal mechanism is further mounted at the top of the silencing shell, and the problems that a traditional silencing piece is generally in a simple shape so as to be convenient to manufacture, but due to the design, the pneumatic loss is large, and the actual silencing effect is poor are solved. In the prior art, an inlet of a silencing sheet is mostly triangular, so that the silencing sheet is easy to process but not favorable for smooth passing of air flow, and the silencing performance is influenced.

Description

Technical Field

[0001] The utility model patent relates to the technical field of silencers, and specifically to an adjustable circular inlet silencer. Background Art

[0002] The Chinese utility model patent with publication number CN206615168U discloses a shock-absorbing and sound-absorbing sheet. It includes a metal layer, an adhesive layer, a melamine sponge layer and a pressure-sensitive adhesive layer from top to bottom; a plurality of reinforcing ribs are evenly distributed on the top surface of the metal layer; the adhesive layer adopts a flame-retardant adhesive;

[0003] Traditional silencers usually adopt simple shapes for easy manufacturing, but this design leads to large aerodynamic losses and poor actual silencer effect. In the prior art, the inlet of silencers is mostly triangular in shape, which is easy to process but not conducive to the smooth passage of airflow, affecting the silencer performance. Utility Model Content

[0004] The utility model aims to provide an adjustable circular inlet silencer, which aims to solve the problem that traditional silencers usually adopt a simple shape for easy manufacturing, but this design leads to large aerodynamic loss and poor actual silencer effect. In the prior art, the inlet of the silencer is mostly triangular in shape, which is easy to process but not conducive to the smooth passage of airflow, thus affecting the silencer performance.

[0005] The utility model is implemented as follows: an adjustable circular inlet silencer comprises a silencer shell, a plurality of silencer holes evenly spaced apart are opened on the silencer shell, a slidable side baffle is installed on the inner wall surface of the silencer shell, a slidable cross baffle is installed on the top and bottom inner walls of the silencer shell, and a slidable dust removal mechanism is also installed on the top of the silencer shell.

[0006] The side baffle frame includes a plurality of frame-shaped baffles, support rods, connecting rods and cross plates that are distributed at intervals. The outer wall of the frame-shaped baffle is attached to the inner wall of the silencer shell. The support rods are distributed at four corners to connect the plurality of frame-shaped baffles. The support rods pass through the top of the silencer shell and are connected to the connecting rods. The cross plate connects two symmetrically distributed connecting rods.

[0007] The side baffle frame also includes a bolt, the lower end of which is rotatably connected to the middle part of the muffler shell, and the middle part of the bolt is threadedly connected to the middle part of the cross plate.

[0008] The cross baffle includes a plurality of cross baffles and a push rod that are evenly spaced. The push rod is fixed to one end of the cross baffle. The cross baffle is slidably connected to the inner walls of the top and bottom of the silencer shell. The top and bottom of the silencer shell are provided with slide grooves, and the push rod is slidably connected to the inside of the slide grooves.

[0009] The dust removal mechanism includes a dust removal support plate, a dust removal scraper and a dust removal slider. The two dust removal sliders are respectively slidably connected to the dust removal connecting rod. The two ends of the dust removal support plate are connected to the dust removal sliders. The dust removal scraper is installed at the bottom of the dust removal support plate.

[0010] The dust removal mechanism also includes a support, a pulley, a pull rope and a winding machine. The support is fixed to the end of the connecting rod away from the dust removal slider, the pulley is rotatably connected to one side of the support, one end of the pull rope is connected to the dust removal slider, and the other end of the pull rope is wound on the winding machine. The dust removal mechanism is symmetrically placed at both ends of the top of the silencer housing. A winding motor is installed in the middle of the winding machine.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model changes the original triangular outlet of the silencer plate into a circular outlet, reduces aerodynamic loss, improves the silencing effect of the silencer plate, and arranges side guards and cross guards, which can freely adjust the opening size of the silencer plate inlet, and adapt different silencer port inlet sizes according to different scenes, thereby improving the applicability of the device, and arranges a dust removal mechanism on the outer wall of the silencer shell to help the device remove surface dust, thereby improving the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the adjustable circular inlet silencer of the utility model;

[0014] Figure 2 yes Figure 1 A partial enlarged view of the middle A area;

[0015] Figure 3 yes Figure 1 A partial enlarged view of the B area;

[0016] Figure 4 It is a schematic diagram of the internal structure of the adjustable circular inlet silencer of the utility model.

[0017] Reference numerals:

[0018] 1. Silencer shell; 2. Silencer hole; 3. Side baffle; 4. Horizontal baffle; 5. Dust removal mechanism; 6. Dust removal scraper; 7. Winder; 8. Dust removal slider; 9. Pull rope; 10. Connecting rod; 11. Support; 12. Pulley; 13. Frame baffle; 14. Support rod; 15. Bolt; 16. Horizontal plate; 17. Horizontal baffle; 18. Push rod; 19. Slide; 20. Dust removal support plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0021] like Figure 1-4 As shown, the utility model provides an adjustable circular inlet silencer, including a silencer shell 1, on which a plurality of silencer holes 2 are evenly spaced, a slidable side baffle 3 is installed on the inner wall surface of the silencer shell 1, a slidable cross baffle 4 is installed on the top and bottom inner walls of the silencer shell 1, and a slidable dust removal mechanism 5 is also installed on the top of the silencer shell 1.

[0022] The utility model changes the original triangular outlet of the silencer plate into a circular outlet, reduces aerodynamic loss, improves the silencer effect of the silencer plate, and arranges a side baffle 3 and a cross baffle 4, which can freely adjust the opening size of the silencer plate entrance, and adopts different silencer entrance sizes according to different scenes, thereby improving the applicability of the device, and arranges a dust removal mechanism on the outer wall of the silencer shell 1 to help the device remove surface dust and improve the service life of the device.

[0023] The side baffle frame 3 includes a plurality of spaced-apart frame-shaped baffles 13, support rods 14, connecting rods 10 and cross plates 16. The outer wall of the frame-shaped baffle 13 is attached to the inner wall of the silencer shell 1. The support rods 14 are distributed at four corners to connect the plurality of frame-shaped baffles 13. The support rods 14 pass through the top of the silencer shell 1 and are connected to the connecting rod 10. The cross plate 16 connects two symmetrically distributed connecting rods 10.

[0024] The side baffle 3 also includes a bolt 15, the lower end of the bolt 15 is rotatably connected to the middle of the muffler housing 1, and the middle of the bolt 15 is threadedly connected to the middle of the cross plate 16. When the bolt 15 is rotated, the cross plate 16 and the bolt thread drive the side baffle 3 to rise, and the frame baffle 13 blocks the muffler hole.

[0025] The cross baffle 4 includes a plurality of cross baffles 17 and a push rod 18 that are evenly spaced. The push rod 18 is fixed to one end of the cross baffle 4. The cross baffle 17 is slidably connected to the inner walls of the top and bottom of the silencer shell 1. A slide groove 19 is provided at the top and bottom of the silencer shell 1. The push rod 18 is slidably connected to the inside of the slide groove 19.

[0026] The push rod 18 is pushed to slide in the slide groove 19, driving the cross frame 4 to move, and the cross baffle 17 blocks the muffler hole.

[0027] The dust removal mechanism 5 includes a dust removal support plate 20, a dust removal scraper 6 and a dust removal slider 8. The two dust removal sliders 8 are respectively slidably connected to the dust removal connecting rod 10. The two ends of the dust removal support plate 20 are connected to the dust removal sliders 8. The dust removal scraper 6 is installed at the bottom of the dust removal support plate 20.

[0028] The dust removal mechanism 5 also includes a support 11, a pulley 12, a pull rope 9 and a winder 7. The support 11 is fixedly connected to the end of the connecting rod 10 away from the dust removal slider 8, the pulley 12 is rotatably connected to one side of the support 11, one end of the pull rope 9 is connected to the dust removal slider 8, and the other end of the pull rope 9 is wound around the winder 7.

[0029] When dust removal is required, the winder 7 is driven to rotate, the rope 9 is wound to pull the dust removal support plate 20 to move away from the horizontal plate 16, and the dust is scraped off by the dust scraper 6. The dust removal support plate 20 is connected to the horizontal plate 16 by a spring. After the dust is scraped off, the spring pulls the dust removal support plate 20 back to the original position. The dust removal mechanism 5 is symmetrically placed at both ends of the top of the muffler housing 1. A winding motor is installed in the middle of the winder 7.

[0030] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] As shown in the drawings, a preferred embodiment of the present invention is provided.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Adjustable circular inlet silencer, characterized by: It includes a silencer shell, which is provided with a plurality of silencer holes evenly spaced apart, a slidable side baffle frame is installed on the inner wall surface of the silencer shell, a slidable cross baffle frame is installed on the top and bottom inner walls of the silencer shell, and a slidable dust removal mechanism is also installed on the top of the silencer shell.

2. The adjustable circular inlet muffler according to claim 1, characterized in that: The side baffle frame includes a plurality of frame-shaped baffles, support rods, connecting rods and cross plates that are distributed at intervals. The outer wall of the frame-shaped baffle is attached to the inner wall of the silencer shell. The support rods are distributed at four corners to connect the plurality of frame-shaped baffles. The support rods pass through the top of the silencer shell and are connected to the connecting rods. The cross plate connects two symmetrically distributed connecting rods.

3. The adjustable circular inlet muffler according to claim 2, characterized in that: The side baffle frame also includes a bolt, the lower end of which is rotatably connected to the middle part of the muffler shell, and the middle part of the bolt is threadedly connected to the middle part of the cross plate.

4. The adjustable circular inlet muffler according to claim 3, characterized in that: The cross baffle includes a plurality of cross baffles and a push rod that are evenly spaced. The push rod is fixed to one end of the cross baffle. The cross baffle is slidably connected to the inner walls of the top and bottom of the silencer shell. The top and bottom of the silencer shell are provided with slide grooves, and the push rod is slidably connected to the inside of the slide grooves.

5. The adjustable circular inlet muffler according to claim 4, characterized in that: The dust removal mechanism includes a dust removal support plate, a dust removal scraper and a dust removal slider. The two dust removal sliders are respectively slidably connected to the dust removal connecting rod. The two ends of the dust removal support plate are connected to the dust removal sliders. The dust removal scraper is installed at the bottom of the dust removal support plate.

6. The adjustable circular inlet muffler according to claim 5, characterized in that: The dust removal mechanism also includes a support, a pulley, a pull rope and a winder. The support is fixedly connected to the end of the connecting rod away from the dust removal slider, the pulley is rotatably connected to one side of the support, one end of the pull rope is connected to the dust removal slider, and the other end of the pull rope is wound on the winder.

7. The adjustable circular inlet muffler according to claim 6, characterized in that: The dust removal mechanisms are symmetrically arranged at two ends of the top of the muffler housing.

8. The adjustable circular inlet muffler according to claim 7, characterized in that: A winding motor is installed in the middle of the winding machine.

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