Drawing type silencing device convenient for side maintenance

Abstract

The utility model relates to the technical field of pull-out type silencing devices, and discloses a pull-out type silencing device convenient for side maintenance, which comprises a lower mounting plate, and a mounting hole is formed in the lower mounting plate; the silencing assembly is fixedly mounted at the top of the lower mounting plate; wherein the silencing assembly comprises a pipeline part and a silencing part; the drawing and pulling assembly is movably mounted in the pipeline; wherein the drawing assembly comprises a frame body part and a limiting part; and the pipeline part comprises a protective net, and a pipeline is fixedly mounted at the top of the lower mounting plate. By arranging the drawing assembly, the U-shaped frame and the speed brake are fixedly installed in a clamping mode, disassembly is convenient, the U-shaped frame and the pipeline are clamped and limited through the clamping rod, the clamping rod is installed and fixed in the through hole through attraction of the first magnet and the second magnet, and the effects of being convenient to draw, disassemble and maintain are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pull-out type silencer devices, in particular to a pull-out type silencer device which is convenient for side maintenance. Background Art

[0002] Muffler refers to a noise reduction device that can be used to reduce the noise in the air flow pipe by using pipes and elbows with sound-absorbing lining or pipes with sudden changes in cross-sectional area and other discontinuous acoustic impedance, so as to attenuate or reflect the noise in the pipe. The former is called resistive muffler, the latter is called reactive muffler, and there are also impedance composite mufflers.

[0003] At present, in actual applications, the pull-out silencer that is easy to maintain from the side is mostly pulled out for maintenance. Since the internal structure of the silencer is mostly fixed, if you want to perform a more comprehensive maintenance and repair on the internal structure, you need to disassemble the internal structure separately, which is troublesome and time-consuming. Utility Model Content

[0004] The purpose of the utility model is to provide a pull-out type silencer which is convenient for side maintenance, so as to achieve the purpose of solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a pull-out type muffler device that is easy to maintain from the side, comprising a lower mounting plate, wherein a mounting hole is provided inside the lower mounting plate;

[0006] A muffler assembly, the muffler assembly being fixedly mounted on the top of the lower mounting plate;

[0007] Wherein, the muffler assembly includes a pipeline portion and a muffler portion;

[0008] A pull-out assembly, the pull-out assembly being movably mounted inside the pipeline;

[0009] Wherein, the pull-out assembly includes a frame portion and a limiting portion.

[0010] Preferably, the pipeline portion includes a protective net, a pipeline is fixedly installed on the top of the lower mounting plate, a sound-absorbing cotton is fixedly installed on the left side of the inner wall of the pipeline, an installation groove is opened inside the pipeline, the protective net is fixedly installed on the bottom of the lower mounting plate, and an upper mounting plate is fixedly installed on the top of the pipeline.

[0011] Preferably, the silencer portion includes a semicircular vacuum tube, a speed reducer is provided inside the tube, a clamping plate is fixedly installed on the left side of the speed reducer, and silencer cotton is provided on the top of the lower mounting plate.

[0012] Preferably, the semicircular vacuum tube is linearly and equidistantly fixedly installed inside the pipe, the semicircular vacuum tube is arranged at the top of the installation groove, the speed reducers are staggeredly installed, the silencer cotton 2 is arranged on the right side of the silencer cotton 1, and both sides of the speed reducer are in contact with the silencer cotton 1 and the silencer cotton 2.

[0013] Preferably, the frame body comprises a U-shaped frame, a groove is provided inside the U-shaped frame, a pull ring is movably installed inside the groove, and a card slot is provided inside the U-shaped frame.

[0014] Preferably, the U-shaped frame is movably installed inside the mounting groove, the U-shaped frame and the mounting groove are adapted to each other, the groove is opened inside the U-shaped frame, the U-shaped frame and the sound-absorbing cotton are fixedly installed, a slide groove is opened inside the U-shaped frame, the slide groove and the card plate are movably installed by snapping, and the slide groove and the card plate are adapted to each other.

[0015] Preferably, the limiting part includes a clamping rod, a magnet 1 is arranged on the right side of the clamping rod, a rotary cover is fixedly installed on the right end of the clamping rod, a magnet 2 is arranged on the left side of the magnet 1, and a through hole is arranged on the top of the lower mounting plate.

[0016] Preferably, the clamping rod and the clamping slot are adapted to each other, the clamping rod and the clamping slot are movably installed by clamping, the magnet one and the magnet two are installed by attraction, the magnet one is fixedly installed inside the rotary cover, the magnet two is fixedly installed inside the pipe, and the through hole is connected to the clamping slot.

[0017] The utility model provides a pull-out type silencer which is convenient for side maintenance and has the following beneficial effects:

[0018] (1) The utility model sets a silencer component. When the wind flows through the pipe from top to bottom and contacts the top of the semicircular vacuum tube, the wind flows dispersedly. Since the interior of the semicircular vacuum tube is vacuumed, the wind speed is slowed down to achieve the purpose of silencer. The second silencer cotton is set to perform secondary silencer on the inside of the pipe, achieving the effect of multiple silencers inside the silencer.

[0019] (2) The utility model provides a pull-out assembly, wherein the U-shaped frame and the speed reducer are fixedly mounted by snap-fitting, which is convenient for disassembly. The U-shaped frame and the pipe are limited by a snap-fitting rod, and the snap-fitting rod is fixed inside the through hole by the attraction of magnet 1 and magnet 2, thereby achieving the effect of easy pulling and disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2It is the right view of the utility model;

[0022] Figure 3 This is a structural view of the frame of the utility model;

[0023] Figure 4 For this utility model Figure 2 A partial enlarged view of center A.

[0024] In the figure: 1 lower mounting plate, 2 mounting hole, 3 silencer assembly, 31 pipeline part, 311 protection net, 312 pipeline, 313 silencer cotton 1, 314 mounting groove, 32 silencer part, 321 semicircular vacuum tube, 322 decelerator, 323 clamping plate, 324 silencer cotton 2, 4 pull-out assembly, 41 frame part, 411 U-shaped frame, 412 groove, 413 pull ring, 414 clamping slot, 42 limiting part, 421 clamping rod, 422 magnet 1, 423 screw cap, 424 magnet 2, 425 through hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] Example 1

[0028] A preferred embodiment of a pull-out type muffler device that is easy to maintain from the side is provided by the utility model. Figure 1-4 As shown: a pull-out type silencer device convenient for side maintenance, comprising a lower mounting plate 1, wherein a mounting hole 2 is provided inside the lower mounting plate 1;

[0029] A muffler assembly 3, the muffler assembly 3 is fixedly mounted on the top of the lower mounting plate 1;

[0030] The muffler assembly 3 includes a pipe portion 31 and a muffler portion 32;

[0031] The pipe part 31 includes a protective net 311, a pipe 312 is fixedly installed on the top of the lower mounting plate 1, a sound-absorbing cotton 313 is fixedly installed on the left side of the inner wall of the pipe 312, a mounting groove 314 is opened inside the pipe 312, the protective net 311 is fixedly installed on the bottom of the lower mounting plate 1, and an upper mounting plate is fixedly installed on the top of the pipe 312; the sound-absorbing cotton 313 fixedly installed on the inner wall of the pipe 312 can perform a single sound absorption;

[0032] The silencer part 32 includes a semicircular vacuum tube 321, a deceleration plate 322 is arranged inside the pipe 312, a clamping plate 323 is fixedly installed on the left side of the deceleration plate 322, and a second silencer cotton 324 is arranged on the top of the lower mounting plate 1. The semicircular vacuum tube 321 is linearly and equidistantly fixedly installed inside the pipe 312, the semicircular vacuum tube 321 is arranged on the top of the mounting groove 312, the deceleration plates 322 are staggeredly installed, the second silencer cotton 324 is arranged on the right side of the first silencer cotton 313, and both sides of the deceleration plate 322 are in contact with the first silencer cotton 313 and the second silencer cotton 324; the wind flow passes through the pipe 312 from top to bottom, and when it contacts the top of the semicircular vacuum tube 321, the wind flow is dispersed. Since the interior of the semicircular vacuum tube 321 is vacuum-arranged, the initial silencer can be performed. When passing through the deceleration plate 322, the wind speed is slowed down to achieve the purpose of silencer. The second silencer cotton 324 is arranged to perform secondary silencer on the interior of the pipe 312.

[0033] Example 2

[0034] On the basis of Example 1, a preferred embodiment of a pull-out type silencer device that is easy to maintain from the side is provided by the utility model. Figure 1-4 As shown: a pull-out assembly 4, the pull-out assembly 4 is movably installed inside the pipe 312;

[0035] The drawer assembly 4 includes a frame portion 41 and a limit portion 42;

[0036] The frame part 41 includes a U-shaped frame 411, a groove 412 is provided inside the U-shaped frame 411, a pull ring 413 is movably installed inside the groove 412, a card slot 414 is provided inside the U-shaped frame 411, the U-shaped frame 411 is movably installed inside the installation slot 314, the U-shaped frame 411 and the installation slot 314 are adapted to each other, the groove 412 is provided inside the U-shaped frame 411, the U-shaped frame 411 and the silencer cotton 324 are fixedly installed, a slide groove is provided inside the U-shaped frame 411, the slide groove and the card plate 323 are movably installed by card connection, and the slide groove and the card plate 323 are adapted to each other; the U-shaped frame 411 and the deceleration plate 322 are fixedly installed by card connection, which is convenient for disassembly, and the pull ring 413 is pulled to move the U-shaped frame 411 out of the pipe 312;

[0037] The limiting part 42 includes a clamping rod 421, a magnet 1 422 is arranged on the right side of the clamping rod 421, a rotary cover 423 is fixedly installed on the right end of the clamping rod 421, a magnet 2 424 is arranged on the left side of the magnet 1 422, a through hole 425 is arranged on the top of the lower mounting plate 1, the clamping rod 421 is adapted to the clamping slot 414, the clamping rod 421 and the clamping slot 414 are movably installed by clamping, the magnet 1 422 and the magnet 2 424 are installed by suction, the magnet 1 422 is fixedly installed inside the rotary cover 423, the magnet 2 424 is fixedly installed inside the pipe 312, and the through hole 425 is connected to the clamping slot 414; the U-shaped frame 411 and the pipe 312 are clamped and limited by the clamping rod 421, and the clamping rod 421 is fixed inside the through hole 425 by the suction of the magnet 1 422 and the magnet 2 424.

[0038] When in use, the silencer cotton 313 fixedly installed on the inner wall of the pipe 312 can perform primary silencer. The wind flows through the pipe 312 from top to bottom. When it contacts the top of the semicircular vacuum tube 321, the wind flows dispersed. Since the interior of the semicircular vacuum tube 321 is vacuum-set, the initial silencer can be performed. When passing through the speed reducer 322, the wind speed is slowed down to achieve the purpose of silencer. The silencer cotton 324 is set to perform secondary silencer on the inside of the pipe 312. The U-shaped frame 411 and the speed reducer 322 are fixedly installed by snap connection, which is convenient for disassembly. The pull ring 413 is pulled to move the U-shaped frame 411 out of the pipe 312. The U-shaped frame 411 and the pipe 312 are limited by the snap connection through the snap rod 421. The snap rod 421 is fixed inside the through hole 425 by the attraction of the magnet 1 422 and the magnet 2 424.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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 pull-out silencer that is easy to maintain from the side. It is characterized in that It comprises a lower mounting plate (1), wherein a mounting hole (2) is provided inside the lower mounting plate (1); A silencer assembly (3), wherein the silencer assembly (3) is fixedly mounted on the top of the lower mounting plate (1); Wherein, the muffler assembly (3) comprises a pipeline portion (31) and a muffler portion (32); A pull-out assembly (4), wherein the pull-out assembly (4) is movably installed inside the pipe (312); Wherein, the drawer assembly (4) comprises a frame portion (41) and a limiting portion (42).

2. A pull-out silencer device that is easy to maintain from the side according to claim 1, Features: The pipeline portion (31) includes a protective net (311), a pipeline (312) is fixedly installed on the top of the lower mounting plate (1), a sound-absorbing cotton (313) is fixedly installed on the left side of the inner wall of the pipeline (312), a mounting groove (314) is opened inside the pipeline (312), the protective net (311) is fixedly installed on the bottom of the lower mounting plate (1), and an upper mounting plate is fixedly installed on the top of the pipeline (312).

3. A pull-out silencer device that is easy to maintain from the side according to claim 1, Features: The muffler portion (32) comprises a semicircular vacuum tube (321), a deceleration plate (322) is arranged inside the pipe (312), a clamping plate (323) is fixedly installed on the left side of the deceleration plate (322), and a muffler cotton (324) is arranged on the top of the lower mounting plate (1).

4. A pull-out silencer device that is easy to maintain from the side according to claim 3, Features: The semicircular vacuum tube (321) is linearly and equidistantly fixedly installed inside the pipe (312); the semicircular vacuum tube (321) is arranged at the top of the installation groove (314); the deceleration plate (322) is installed in a staggered manner; the second silencer cotton (324) is arranged on the right side of the first silencer cotton (313); and both sides of the deceleration plate (322) are in contact with the first silencer cotton (313) and the second silencer cotton (324).

5. A pull-out silencer device that is easy to maintain from the side according to claim 1, Features: The frame part (41) comprises a U-shaped frame (411), a groove (412) is provided inside the U-shaped frame (411), a pull ring (413) is movably installed inside the groove (412), and a clamping groove (414) is provided inside the U-shaped frame (411).

6. A pull-out silencer device that is easy to maintain from the side according to claim 5, Features: The U-shaped frame (411) is movably mounted inside the mounting groove (314), the U-shaped frame (411) and the mounting groove (314) are matched with each other, the groove (412) is arranged inside the U-shaped frame (411), the U-shaped frame (411) and the second sound-absorbing cotton (324) are fixedly mounted, a sliding groove is arranged inside the U-shaped frame (411), the sliding groove and the clamping plate (323) are movably mounted by clamping, and the sliding groove and the clamping plate (323) are matched with each other.

7. A pull-out silencer device that is easy to maintain from the side according to claim 1, Features: The limiting part (42) includes a clamping rod (421), a magnet 1 (422) is arranged on the right side of the clamping rod (421), a rotary cover (423) is fixedly installed on the right end of the clamping rod (421), a magnet 2 (424) is arranged on the left side of the magnet 1 (422), and a through hole (425) is arranged on the top of the lower mounting plate (1).

8. A pull-out silencer device that is easy to maintain from the side according to claim 7, Features: The clamping rod (421) and the clamping slot (414) are adapted to each other, the clamping rod (421) and the clamping slot (414) are movably mounted by clamping, the magnet 1 (422) and the magnet 2 (424) are mounted by suction, the magnet 1 (422) is fixedly mounted inside the rotary cover (423), the magnet 2 (424) is fixedly mounted inside the pipe (312), and the through hole (425) and the clamping slot (414) are connected.

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