Exhaust silencing pipe

Abstract

The utility model discloses an exhaust silencing pipe, which relates to the technical field of pneumatics and comprises a pipe cavity main body, the inner wall of the pipe cavity main body is in threaded connection with a silencer body, and the inner wall of the silencer body is fixedly connected with first breathable cotton used for absorbing exhaust noise energy. The pipe cavity body is filled with second breathable cotton used for reducing exhaust noise. According to the utility model, a section of pipe cavity is additionally arranged on the original silencer, the ventilation cotton is filled in the pipe cavity, and the silencer is arranged at the foremost end of the pipe cavity, so that when compressed air passes through the pipe cavity, the flow rate of the compressed air can be reduced under the action of the ventilation cotton, and the flow rate of the compressed air can be reduced when the compressed air passes through the original silencer. And the exhaust noise can be reduced by 50%.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pneumatic technical field, specifically is a kind of exhaust muffler pipe. BACKGROUND

[0002] Pneumatic hydraulic station is driven by pneumatic energy source to push liquid into hydraulic system, to realize the work of hydraulic system, so as to realize the control and transmission of hydraulic system.

[0003] The existing pneumatic workpiece is large in exhaust noise in use process, and can easily affect the physical and mental health of on-site workers, so the user usually installs silencer at the exhaust end of the pneumatic workpiece to reduce noise, but the noise reduction effect of conventional silencer is limited;Therefore, we provide an exhaust muffler pipe to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of exhaust muffler pipes to make up for the deficiency of prior art, can increase a section of cavity on original silencer, and fill into air-permeable cotton in cavity, and silencer is installed to the front end of cavity, so that compressed air can be reduced in the action of air-permeable cotton when passing through cavity, so that compressed air can be reduced by fifty percent when passing through original silencer.

[0005] To achieve the above object, the utility model provides the following technical scheme: an exhaust muffler pipe, including cavity main body, the inner wall of the cavity main body is connected with silencer body by screw thread, the inner wall of the silencer body is fixedly connected with the first air-permeable cotton for absorbing exhaust noise energy, the inside of the cavity main body is filled with the second air-permeable cotton for exhaust noise reduction effect.

[0006] Further, the outer surface of the cavity main body is provided with exhaust hole connecting thread for connecting external pneumatic energy output pipeline, by the exhaust hole connecting thread on the outer surface of cavity main body, the cavity main body and external pneumatic energy output pipeline can be conveniently connected, so as to improve the convenience when using.

[0007] Further, the inner wall of the silencer body is provided with the first sealing gasket for improving the sealing performance of the connecting portion of the cavity main body and the silencer body, the first sealing gasket can be clamped into the reserved groove on the silencer body, so as to improve the sealing performance of the connecting portion of the cavity main body and the silencer body when the cavity main body and the silencer body are connected.

[0008] Further, the inner wall of the tubular cavity body is provided with a second sealing gasket for improving the sealing performance of the connection between the tubular cavity body and the external pneumatic energy output pipeline, and the second sealing gasket can be clamped into a reserved groove formed on the tubular cavity body, so that the sealing performance of the connection between the tubular cavity body and the external pneumatic energy output pipeline can be improved when the tubular cavity body and the external pneumatic energy output pipeline are connected.

[0009] Further, the outer hexagonal silencer body can facilitate the user to disconnect the tubular cavity body and the silencer body, so that the filled second air-permeable cotton can be replaced conveniently.

[0010] Compared with the prior art, the exhaust silencing pipe has the following beneficial effects:

[0011] 1. The utility model discloses a silencer is installed to the tubular cavity front end, so that the compressed air can reduce the flow rate under the action of air-permeable cotton when passing through the tubular cavity, so that the exhaust noise can be reduced by 50% when the compressed air passes through the original silencer.

[0012] 2. The utility model discloses a silencer is installed to the tubular cavity front end, so that the compressed air can reduce the flow rate under the action of air-permeable cotton when passing through the tubular cavity, so that the exhaust noise can be reduced by 50% when the compressed air passes through the original silencer. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer;

[0014] Figure 2 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer;

[0015] Figure 3 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer;

[0016] Figure 4 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer;

[0017] Figure 5 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer; Figure 1 ;

[0018] Figure 6 It is the three-dimensional structure connection schematic drawing of the utility model pointed head silencer; Figure 2 .

[0019] In the figure: 1, the lumen main body; 2, the muffler body; 3, the first air-permeable cotton; 4, the second air-permeable cotton; 5, the exhaust hole connecting thread; 6, the first sealing gasket; 7, the second sealing gasket. DETAILED DESCRIPTION

[0020] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0021] As described in the background, the existing pneumatic workpiece has large exhaust noise in use, which easily affects the physical and mental health of the workers on site, so the user usually installs a muffler at the exhaust end of the pneumatic workpiece to reduce the noise, but the noise reduction effect of the conventional muffler is limited, so the embodiment provides an exhaust silencer pipe, which can increase a pipe cavity on the original muffler and fill air-permeable cotton in the pipe cavity, and the muffler is installed at the front end of the pipe cavity, so that the flow rate of the compressed air can be reduced under the action of the air-permeable cotton when the compressed air passes through the pipe cavity, so that the exhaust noise can be reduced by 50% when the compressed air passes through the original muffler.

[0022] Referring to Figures 1 to 6 The embodiment provides an exhaust silencer pipe, which comprises a pipe cavity main body 1, and a muffler body 2 is threadedly connected to the inner wall of the pipe cavity main body 1, the pipe cavity main body 1 and the muffler body 2 are connected through cooperation between threads, and the threads have self-locking property, so that loosening of the pipe cavity main body 1 and the muffler body 2 can be avoided.

[0023] The inner wall of the muffler body 2 is provided with a first sealing gasket 6 for improving the sealing performance of the connection between the pipe cavity main body 1 and the muffler body 2, the first sealing gasket 6 can be clamped into a reserved groove formed in the muffler body 2, so that the sealing performance of the connection between the pipe cavity main body 1 and the muffler body 2 can be improved when the pipe cavity main body 1 and the muffler body 2 are connected.

[0024] The outer surface of the pipe cavity main body 1 is provided with an exhaust hole connecting thread 5 for connecting an external pneumatic energy output pipeline, the exhaust hole connecting thread 5 formed on the outer surface of the pipe cavity main body 1 can conveniently connect the pipe cavity main body 1 and the external pneumatic energy output pipeline, so that the convenience in use is improved.

[0025] The inner wall of the pipe cavity main body 1 is provided with a second sealing gasket 7 for improving the sealing performance of the connection between the pipe cavity main body 1 and the external pneumatic energy output pipeline, the second sealing gasket 7 can be clamped into a reserved groove formed in the pipe cavity main body 1, so that the sealing performance of the connection between the pipe cavity main body 1 and the external pneumatic energy output pipeline can be improved when the pipe cavity main body 1 and the external pneumatic energy output pipeline are connected.

[0026] The inner wall of the muffler body 2 is fixedly connected with a first air-permeable cotton 3 for absorbing exhaust noise energy, and the inside of the pipe cavity body 1 is filled with a second air-permeable cotton 4 for exhaust noise reduction effect.

[0027] The muffler body 2 is an outer hexagon, and the outer hexagonal muffler body 2 can conveniently disconnect the pipe cavity body 1 and the muffler body 2, so that the filled second air-permeable cotton 4 can be replaced.

[0028] The components in the drawings of the utility model are only for style reference, and no specific size standard is given, and the specific size is determined according to the actual production requirement, and meanwhile, the materials of the components can be replaced according to the actual requirement.

[0029] Working principle: when the exhaust muffler pipe is used, the pipe cavity body 1 and the external air source output pipeline can be connected through the exhaust hole connecting thread 5, the pipe cavity body 1 is filled with the second air-permeable cotton 4, then the pipe cavity body 1 and the muffler body 2 are screwed and connected, meanwhile, since the thread has self-locking property, the pipe cavity body 1 and the muffler body 2 can be prevented from loosening, then the compressed air delivered by the external air source can pass through the pipe cavity body 1 and the muffler body 2, the first air-permeable cotton 3 and the second air-permeable cotton 4 can reduce the flow rate of the delivered compressed air, so that the noise during exhaust is reduced, the first sealing gasket 6 can be clamped into the reserved groove arranged on the muffler body 2, so that the sealing performance of the connection between the pipe cavity body 1 and the muffler body 2 can be improved, meanwhile, the second sealing gasket 7 can be clamped into the reserved groove arranged on the pipe cavity body 1, so that the sealing performance of the connection between the pipe cavity body 1 and the external pneumatic energy source output pipeline can be improved.

Claims

1. An exhaust muffler, comprising a main body (1), characterized in that: The inner wall of the main body of the cavity (1) is threadedly connected to a muffler body (2), and the inner wall of the muffler body (2) is fixedly connected to a first breathable cotton (3) for absorbing exhaust noise energy. The interior of the main body of the cavity (1) is filled with a second breathable cotton (4) for reducing exhaust noise.

2. The exhaust muffler pipe according to claim 1, characterized in that: The outer surface of the main body of the cavity (1) is provided with an exhaust hole connecting thread (5) for connecting to an external pneumatic energy output pipe.

3. The exhaust muffler pipe according to claim 1, characterized in that: The inner wall of the muffler body (2) is provided with a first sealing gasket (6) for improving the sealing performance at the connection between the cavity body (1) and the muffler body (2).

4. The exhaust muffler pipe according to claim 1, characterized in that: The inner wall of the cavity body (1) is provided with a second sealing gasket (7) to improve the sealing performance of the connection between the cavity body (1) and the external pneumatic energy output pipeline.

5. An exhaust muffler according to claim 1, characterized in that: The silencer body (2) is hexagonal in shape.

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