CN210948838U - Cylinder silencing barrel - Google Patents

Cylinder silencing barrel Download PDF

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Publication number
CN210948838U
CN210948838U CN201920983191.6U CN201920983191U CN210948838U CN 210948838 U CN210948838 U CN 210948838U CN 201920983191 U CN201920983191 U CN 201920983191U CN 210948838 U CN210948838 U CN 210948838U
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CN
China
Prior art keywords
silencing
cylinder
barrel
thick bamboo
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920983191.6U
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Chinese (zh)
Inventor
李威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Mianzhu Jinquan Steel Co ltd
Original Assignee
Sichuan Mianzhu Jinquan Steel Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Sichuan Mianzhu Jinquan Steel Co ltd filed Critical Sichuan Mianzhu Jinquan Steel Co ltd
Priority to CN201920983191.6U priority Critical patent/CN210948838U/en
Application granted granted Critical
Publication of CN210948838U publication Critical patent/CN210948838U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a cylinder amortization technical field especially relates to a cylinder amortization section of thick bamboo, including the amortization section of thick bamboo body, it has a plurality of thru holes to open on the section of thick bamboo wall of amortization section of thick bamboo body, the amortization section of thick bamboo body still communicates with the gas vent of cylinder, the gas vent and the amortization section of thick bamboo body of cylinder communicate, the noise that the cylinder exhaust produced gets into in the amortization section of thick bamboo body through the gas vent, sound is in the amortization section of thick bamboo body transmission, spread through the thru hole that sets up on the section of thick bamboo wall of amortization section of thick bamboo body at last, sound makes a round trip in the amortization section of thick bamboo body and reflects the in-process, the sound energy of noise has been consumed, and because the existence of these thru holes, every thru hole is equivalent to a cavity resonator, when the noise sound wave is spread, a good noise reduction effect is achieved.

Description

Cylinder silencing barrel
Technical Field
The utility model relates to a cylinder amortization technical field especially relates to a cylinder amortization section of thick bamboo.
Background
The cylinder uses in the reinforcing bar workshop in a large number, and its principle is that the pressure energy conversion of compressed gas is used for the acting into mechanical energy, and when the cylinder was just moving, the air inlet switched on with the air supply, and when the cylinder reset, the air inlet switched on with the atmosphere and is equivalent to the exhaust, can produce great noise at cylinder exhaust in-process, especially in the workshop, when a plurality of cylinders moved simultaneously, the cylinder was discharged and is produced noise pollution and seriously harms staff's hearing.
In view of the above, there is a need for a cylinder muffler.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a cylinder amortization section of thick bamboo.
In order to achieve the above object, the utility model adopts the following technical scheme:
a cylinder silencing barrel comprises a silencing barrel body, wherein the barrel wall of the silencing barrel body is provided with a plurality of through holes, and the silencing barrel body is also provided with a connecting pipe or an end part communicated with an air outlet of a cylinder.
The exhaust port of the cylinder is communicated with the silencing cylinder body, noise generated by cylinder exhaust enters the silencing cylinder body through the exhaust port, the sound is transmitted in the silencing cylinder body and is finally transmitted out through the through holes formed in the cylinder wall of the silencing cylinder body, the sound energy of the noise is consumed in the back and forth reflection process of the sound in the silencing cylinder body, and due to the existence of the through holes, each through hole is equivalent to a cavity resonator, when the noise sound wave is transmitted, vibration is generated in the cavity resonator formed by the through holes, the transmitted sound energy of the noise is consumed, the noise is reduced, the purpose of reducing noise pollution generated by cylinder exhaust is achieved, and a good noise reduction effect is achieved.
Preferably, one end of the silencing barrel body is communicated with a connecting pipe, the other end of the connecting pipe is closed in an opening mode, a plurality of air pipes are further arranged on the pipe wall of the connecting pipe, each air pipe is correspondingly communicated with an air outlet of one air cylinder, one end of the connecting pipe is communicated with one end of the silencing barrel body, the opening of the other end of the connecting pipe is closed, the pipe wall of the connecting pipe is further provided with a plurality of air pipes, each air pipe is correspondingly communicated with the air outlet of one air cylinder, silencing treatment of the plurality of air cylinders is achieved through one silencing barrel body, the connecting pipe is arranged at one end of the silencing barrel body, sound is transmitted in the connecting pipe and the silencing barrel body, the reflection and transmission path of the sound can be prolonged, and therefore a better noise reduction.
Preferably, the through holes are distributed equidistantly along the axial direction of the silencing barrel body.
Preferably, the through holes extend and distribute along the middle position of the silencing barrel body towards the direction far away from the connecting end of the connecting pipe, and the through holes extend and distribute along the middle position of the silencing barrel body towards the direction far away from the connecting end of the connecting pipe, so that sound can be fully reflected and reduced in the silencing barrel body, and the aim of effectively reducing noise is fulfilled.
Preferably, the silencing tube body comprises an inner silencing tube and an outer silencing tube, the connecting tube is communicated with the inner silencing tube, the inner silencing tube and the outer silencing tube are respectively provided with a through hole, the silencing tube body comprises the inner silencing tube and the outer silencing tube, the connecting tube is communicated with the inner silencing tube, sound enters the outer silencing tube through the through holes in the inner silencing tube through reflection in the connecting tube and the inner silencing tube, finally is reflected in the outer silencing tube and is transmitted out through the through holes in the outer silencing tube, and the reflection propagation path of the sound is increased, so that the sound energy is effectively reduced, and the purpose of fully reducing the noise is achieved.
Preferably, the inner silencing tube and the outer silencing tube are concentrically arranged, the inner through holes in the inner silencing tube and the outer through holes in the outer silencing tube are arranged in a mutually staggered mode, and the inner through holes in the inner silencing tube and the outer through holes in the outer silencing tube are arranged in a mutually staggered mode, so that sound transmitted from the inner silencing tube can be continuously transmitted in the outer silencing tube to reflect consumed sound energy, and a better noise reduction effect is achieved.
Preferably, the aperture of the through hole of the inner silencing barrel is larger than that of the through hole of the outer silencing barrel, the acoustic transmission performance mainly depends on the geometric shape, namely the size of the cross section is changed, when sound waves pass through the change position of the cross section, as the cross section expands or contracts, part of the sound waves are emitted, the sound energy is reflected back and forth in the cavity to disappear, and therefore the aperture of the through hole of the inner silencing barrel is larger than that of the through hole of the outer silencing barrel, the cross section sizes of the apertures of the inner silencing barrel and the outer silencing barrel are different, and the purpose of fully reducing noise can be achieved.
Preferably, the inner diameter of the outer silencing tube is 2-3 times of the outer diameter of the inner silencing tube, and the inner diameter of the outer silencing tube is 2-3 times of the outer diameter of the inner silencing tube, so that the sound propagation path is increased, and the sound noise is reduced.
Preferably, the lower part of the silencing barrel body is also provided with a support, and the support is arranged on the lower part of the silencing barrel body, so that the silencing barrel body is convenient to place.
Compared with the prior art, the utility model has the advantages of: the utility model relates to a cylinder amortization section of thick bamboo, the gas vent and the amortization section of thick bamboo body intercommunication of cylinder, the noise that the cylinder exhaust produced passes through the gas vent and gets into the amortization section of thick bamboo originally internally, sound is at this internal transmission of amortization section of thick bamboo, spread through setting up the thru hole on amortization section of thick bamboo wall at last, sound makes a round trip at the amortization section of thick bamboo this internal reflection in-process, the acoustic energy of noise has been consumed, and because the existence of these thru holes, every thru hole is equivalent to a cavity resonator, when the noise sound wave passes through like this, take place the vibration in the cavity resonator that the thru hole formed, just so consumed the acoustic energy of transmitting the noise, the noise is reduced, the purpose of the noise.
The beneficial effects of other embodiments of the application are as follows:
1. the one end of takeover and the one end intercommunication of a noise damping section of thick bamboo body, the opening of takeover other end is sealed, still be equipped with a plurality of trachea on the pipe wall of takeover, each trachea corresponds the gas vent of a intercommunication cylinder, realize carrying out noise cancelling treatment simultaneously to a plurality of cylinders through a noise damping section of thick bamboo body, and set up the takeover through the one end at a noise damping section of thick bamboo body, sound is taken over and this internal propagation of noise damping section of thick bamboo, the reflection propagation path of sound can prolong, thereby play better noise reduction effect.
2. The through holes extend and are distributed along the middle position of the silencing barrel body towards the direction far away from the connecting end of the connecting pipe, so that sound can be fully reflected and reduced in the silencing barrel body, and the aim of effectively reducing noise is fulfilled.
3. The silencing tube body comprises an inner silencing tube and an outer silencing tube, the connecting tube is communicated with the inner silencing tube, sound is reflected in the connecting tube and the inner silencing tube through the through holes in the inner silencing tube and enters the outer silencing tube, finally the sound is reflected in the outer silencing tube and is transmitted out through the through holes in the outer silencing tube, the reflection propagation path of the sound is increased, the sound energy is effectively reduced, and the purpose of fully reducing the noise is achieved.
4. The inner through holes on the inner silencing barrel and the outer through holes on the outer silencing barrel are arranged in a staggered mode, so that sound transmitted from the inner silencing barrel can be transmitted in the outer silencing barrel continuously to reflect and consume sound energy, and a better noise reduction effect is achieved.
5. The acoustic transmission performance mainly depends on the geometric shape, namely the size of the cross section is changed, when sound waves pass through the change position of the cross section, because the cross section is expanded or reduced, partial sound waves are emitted, sound energy is reflected back and forth in the cavity to disappear, and therefore the aperture of the through hole of the inner silencing barrel is larger than that of the through hole of the outer silencing barrel, the cross section sizes of the apertures of the inner silencing barrel and the outer silencing barrel are different, and the purpose of fully reducing noise can be achieved.
6. The inner diameter of the outer silencing barrel is set to be 2-3 times of the outer diameter of the inner silencing barrel, so that the sound propagation path is increased, and the sound noise is reduced.
7. The support is arranged on the lower portion of the silencing barrel body, so that the silencing barrel body can be conveniently placed.
Drawings
Fig. 1 is a schematic structural view of a cylinder muffler of the present invention;
FIG. 2 is a schematic structural view of a cylinder muffler barrel with a connecting pipe according to the present invention;
fig. 3 is a schematic structural view of the sectional view of the inner and outer muffling cylinders of the cylinder muffling cylinder of the present invention.
Reference numerals
1-silencing tube body, 11-inner silencing tube, 12-outer silencing tube, 13-through hole, 131-inner through hole, 132-outer through hole, 2-connecting tube, 3-air tube and 4-support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, the cylinder muffler of the present embodiment comprises a muffler body 1, through holes 13, an inner through hole 131, an outer through hole 132, a connection pipe 2, an air pipe 3, a support 4, an air outlet of the cylinder communicating with the muffler body 1, noise generated by air exhaust of the cylinder entering the muffler body 1 through the air outlet along the air pipe 3, sound transmitting in the muffler body 1 and finally going out through the through holes 13 disposed on the wall of the muffler body 1, sound energy of the noise being consumed during sound back and forth reflection in the muffler body 1, and each through hole 13 corresponding to a cavity resonator due to the existence of the through holes 13, so that when sound waves of the noise are transmitted, vibration occurs in the cavity resonator formed by the through holes 13, thus the transmitted sound energy of the noise is consumed, the noise is reduced, and the noise generated by air exhaust of the cylinder in a steel bar production workshop can be reduced from 120 db to 40 db, therefore, the noise is greatly reduced, the noise generated by the exhaust of the air cylinder is low and not harsh, the damage of the noise to operators is avoided, and a good noise reduction effect is achieved.
The support 4 is arranged on the lower portion of the silencing barrel body 1, so that the silencing barrel body can be conveniently placed.
Example 2
As shown in fig. 2, the cylinder silencing tube of the embodiment includes a silencing tube body 1, a through hole 13, a connecting tube 2, an air tube 3, a support 4, one end of the connecting tube 2 is communicated with one end of the silencing tube body 1, an opening at the other end of the connecting tube 2 is closed, a plurality of air tubes 3 are further arranged on the tube wall of the connecting tube 2, each air tube 3 corresponds to an air outlet communicated with one air cylinder, silencing treatment is simultaneously performed on a plurality of air cylinders through one silencing tube body 1, the connecting tube 2 is arranged at one end of the silencing tube body 1, sound is transmitted in the connecting tube 2 and the silencing tube body 1, a reflection propagation path of the sound can be prolonged, and a better noise reduction effect is achieved.
The through holes extend and are distributed along the middle position of the silencing barrel body towards the direction far away from the connecting end of the connecting pipe, so that sound can be fully reflected and reduced in the silencing barrel body 1, and the aim of effectively reducing the noise is fulfilled.
Example 3
Referring to fig. 3, the cylinder muffler of the present embodiment includes a muffler body 1, an inner muffler barrel 11, an outer muffler barrel 12, through holes 13, a connecting tube 2, a gas tube 3, and a support 4, and the present embodiment is different from embodiment 2 in that the muffler body 1 includes an inner muffler barrel 11 and an outer muffler barrel 12, the connecting tube 2 is communicated with the inner muffler barrel 11, sound is reflected in the connecting tube 2 and the inner muffler barrel 11, enters the outer muffler barrel 12 through the through holes 13 of the inner muffler barrel 11, and is finally reflected in the outer muffler barrel 12, and is transmitted out through the through holes 13 of the outer muffler barrel 12, so that the reflected propagation path of the sound is increased, and the sound energy is effectively reduced, and the purpose of sufficiently reducing noise is achieved.
The inner through holes 131 on the inner muffling cylinder 11 and the outer through holes 132 on the outer muffling cylinder 12 are arranged in a staggered manner, so that the sound transmitted from the inner muffling cylinder 11 can be continuously transmitted and reflected in the outer muffling cylinder 12 to consume sound energy, thereby achieving a better noise reduction effect.
The acoustic transmission performance mainly depends on the geometric shape, namely the size of the cross section is changed, when the sound wave passes through the change of the cross section, because the cross section expands or contracts, part of the sound wave is emitted, the sound energy is reflected back and forth in the cavity to disappear, and therefore the aperture of the through hole 13 of the inner silencing tube 11 is larger than that of the through hole 13 of the outer silencing tube 12, the cross section sizes of the apertures of the inner silencing tube 11 and the outer silencing tube 12 are different, and the purpose of fully reducing the noise can be achieved.
The inner diameter of the outer silencing tube 12 is 2-3 times of the outer diameter of the inner silencing tube 11, so that the sound propagation path is increased, and the sound noise is reduced.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all technical solutions and modifications without departing from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims (8)

1. The utility model provides a cylinder amortization section of thick bamboo, includes amortization section of thick bamboo body (1), its characterized in that: the wall of the silencing barrel body (1) is provided with a plurality of through holes (13), and the silencing barrel body (1) is also provided with a connecting pipe or an end part communicated with an exhaust port of the air cylinder; one end of the silencing barrel body (1) is communicated with a connecting pipe (2), the opening of the other end of the connecting pipe (2) is closed, a plurality of air pipes (3) are further arranged on the pipe wall of the connecting pipe (2), and each air pipe (3) is correspondingly communicated with an air outlet of one air cylinder.
2. A cylinder muffler cartridge according to claim 1, wherein: the through holes (13) are distributed at equal intervals along the axial direction of the silencing barrel body (1).
3. A cylinder muffler cartridge according to claim 2, wherein: the through holes (13) extend and are distributed along the middle position of the silencing barrel body (1) towards the direction far away from the connecting end of the connecting pipe (2).
4. A cylinder muffler cartridge according to claim 3, wherein: the silencer is characterized in that the silencer body (1) comprises an inner silencer barrel (11) and an outer silencer barrel (12), the connecting pipe (2) is communicated with the inner silencer barrel (11), and through holes (13) are formed in the inner silencer barrel (11) and the outer silencer barrel (12).
5. A cylinder muffler cartridge according to claim 4, wherein: the inner silencing barrel (11) and the outer silencing barrel (12) are concentrically arranged, and the inner through holes (131) in the inner silencing barrel (11) and the outer through holes (132) in the outer silencing barrel (12) are arranged in a mutually staggered mode.
6. A cylinder muffler cartridge according to claim 5, wherein: the aperture of the through hole (13) of the inner silencing tube (11) is larger than that of the through hole (13) of the outer silencing tube (12).
7. A cylinder muffler cartridge according to claim 6, wherein: the inner diameter of the outer silencing tube (12) is 2-3 times of the outer diameter of the inner silencing tube (11).
8. A cylinder muffler cartridge according to claim 1, wherein: the lower part of the silencing barrel body (1) is also provided with a support (4).
CN201920983191.6U 2019-06-27 2019-06-27 Cylinder silencing barrel Expired - Fee Related CN210948838U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920983191.6U CN210948838U (en) 2019-06-27 2019-06-27 Cylinder silencing barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920983191.6U CN210948838U (en) 2019-06-27 2019-06-27 Cylinder silencing barrel

Publications (1)

Publication Number Publication Date
CN210948838U true CN210948838U (en) 2020-07-07

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ID=71394108

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920983191.6U Expired - Fee Related CN210948838U (en) 2019-06-27 2019-06-27 Cylinder silencing barrel

Country Status (1)

Country Link
CN (1) CN210948838U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114135364A (en) * 2021-12-07 2022-03-04 杭叉集团股份有限公司 Three-channel parallel double-resonant-cavity exhaust muffler for industrial vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114135364A (en) * 2021-12-07 2022-03-04 杭叉集团股份有限公司 Three-channel parallel double-resonant-cavity exhaust muffler for industrial vehicle
CN114135364B (en) * 2021-12-07 2023-09-15 杭叉集团股份有限公司 Three-channel parallel double-resonant-cavity industrial vehicle exhaust muffler

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200707

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