Pressure-adjustable silencing tank

Abstract

The utility model belongs to the technical field of noise reduction tanks, and particularly relates to a pressure-adjustable noise reduction tank which comprises a noise reduction tank upper cover, a first airflow buffering piece is arranged on the inner side of the noise reduction tank upper cover, a noise reduction tank lower cover is in contact with the left side of the noise reduction tank upper cover, a second airflow buffering piece is arranged on the inner side of the noise reduction tank lower cover, and a second airflow buffering piece is arranged on the inner side of the noise reduction tank lower cover. The interior of the silencing tank upper cover is connected with a bolt through threads, and a spring is arranged on the outer side of the bolt. According to the scheme, through the arrangement of the first airflow buffering piece, the second airflow buffering piece and other structures, high-speed circulating airflow can be buffered so as to effectively reduce noise generated by the airflow, when the air pressure of the airflow does not reach a preset value, the spring does not deform, the internal airflow is continuously increased till the internal air pressure reaches the adjusted preset value, and the noise is reduced. The spring shrinks and deforms, so that the plug is separated from the pressure relief groove, the air flow is stabilized in a preset air pressure state, and automatic pressure regulation is carried out on the silencing tank.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of silencer, specifically relates to an adjustable pressure silencer. BACKGROUND

[0002] The silencer is a device for reducing noise, usually used in industrial equipment, engine, fan and other equipment with high noise. The silencer can effectively absorb, isolate or weaken noise through its special structure and material, so as to reduce the noise level generated during the operation of the equipment. The silencer has important application value in industrial and environmental noise control.

[0003] In the utility model discloses a kind of buffer silencers with patent authorization announcement No.CN208474124U, including vertically arranged cylinder and respectively connecting the head on the upper and lower ends of cylinder;Cylinder lateral wall inlet pipe, inlet pipe is horn-shaped, and tangential with cylinder, the inner wall of cylinder is evenly provided with mesh steel plate, and gap is left between mesh steel plate and the inner wall of cylinder, mesh steel plate top is fixedly connected with top plate, and top plate is fixedly installed cylinder, and is sealed with cylinder contact, mesh steel plate inside is also provided with filter core, and filter core is fixedly installed on top plate, and filter core outlet passes through top plate, mesh steel plate bottom is fixedly connected with bottom plate, and bottom plate is fixedly installed in cylinder, funnel-shaped, middle is provided with round hole;Outlet is provided on the top of upper head;Mesh steel plate includes double-layer structure, and sound-absorbing material is filled between double-layer structure.

[0004] However, the existing silencer also has certain deficiency, the existing silencer is mostly used when using air inlet pipe, air outlet pipe and other components to flow gas use, since airflow continues to flow into will cause the real-time variation characteristics of air pressure, simply using silencer to process gas, easy to cause the problem of high pressure gas impact damage of silencer. SUMMARY

[0005] The utility model discloses a kind of adjustable pressure silencers, solve the existing silencer when using air inlet pipe, air outlet pipe and other components to flow gas use, since airflow continues to flow into will cause the real-time variation characteristics of air pressure, simply using silencer to process gas, easy to cause the problem of high pressure gas impact damage of silencer.

[0006] In order to achieve the above object, the utility model provides a kind of adjustable pressure sound attenuation tank, including sound attenuation tank upper cover, the inside of sound attenuation tank upper cover is provided with airflow buffer piece one, the left side of sound attenuation tank upper cover is contacted with sound attenuation tank lower cover, the inside of sound attenuation tank lower cover is provided with airflow buffer piece two, the inside of sound attenuation tank upper cover is connected with bolt by screw thread, the outside of bolt is provided with spring, the lower end of spring is fixedly connected with plug, the plug is slidably connected with sound attenuation tank upper cover, the lower end of sound attenuation tank upper cover is fixedly connected with air inlet pipe, the upper end of sound attenuation tank upper cover is fixedly connected with air outlet pipe, the inside of air inlet pipe is provided with filtering mechanism.

[0007] The utility model discloses a principle lies in: through the setting of buckle position female buckle, buckle position male buckle, can be fixedly connected between sound attenuation tank upper cover and sound attenuation tank lower cover and use, under the cooperation of sealing rubber pad one, sealing rubber pad two, can be sealed to sound attenuation tank, through the setting of airflow buffer piece one, airflow buffer piece two and other structures, the airflow of high speed flow can be buffered, to effectively reduce the noise generated by airflow, when the air pressure of airflow does not reach predetermined value, spring does not occur deformation, internal airflow continues to increase, until internal air pressure reaches the predetermined value of adjustment, spring occurs shrinkage deformation, so that plug separates from the pressure relief groove of sound attenuation tank upper cover surface, and then airflow is stabilized at predetermined air pressure state, and sound attenuation tank is automatically regulated and used;

[0008] Through the setting of filter screen, the impurities in high-speed flowing gas can be filtered out, avoiding the influence of impurities on subsequent structural members, under the impact of high-speed airflow, the fan blade can be blown to rotate, driving the rotating rod to rotate, and then driving the rotating ring to rotate, so that the rotating ring drives the convex points to slide along the inner wall of the annular groove, to ensure the stability of the rotating ring, and when the rotating ring rotates, the filter screen can be driven to rotate, so that the bristles move along the surface of the filter screen to clean the impurities on the surface of the filter screen, to ensure the flow effect of the filter screen.

[0009] The utility model discloses a principle lies in: through the setting of airflow buffer piece one, airflow buffer piece two and other structures, the airflow of high speed flow can be buffered, to effectively reduce the noise generated by airflow, when the air pressure of airflow does not reach predetermined value, spring does not occur deformation, internal airflow continues to increase, until internal air pressure reaches the predetermined value of adjustment, spring occurs shrinkage deformation, so that plug separates from the pressure relief groove, and then airflow is stabilized at predetermined air pressure state, and sound attenuation tank is automatically regulated and used, through the setting of filter screen, the impurities in high-speed flowing gas can be filtered out, avoiding the influence of impurities on subsequent sound attenuation tank internal structural members, under the structure of fan blade, rotating rod etc., the rotating ring can drive the filter screen to rotate, under the action of bristles, the impurities attached to the filter screen can be cleaned, to ensure the flow effect of the filter screen.

[0010] Further, the surface of the upper cover of the sound elimination tank is provided with a female buckle, the surface of the lower cover of the sound elimination tank is provided with a male buckle, the male buckle and the female buckle are clamped with each other, through the setting of the male buckle and the female buckle, the upper cover and the lower cover of the sound elimination tank can be locked and installed.

[0011] Further, the inner side wall of the upper cover of the sound elimination tank is bonded with a sealing rubber pad one, the side of the lower cover of the sound elimination tank is bonded with a sealing rubber pad two, the sealing rubber pad two is in contact with the upper cover of the sound elimination tank, and the sealing rubber pad two is in contact with the sealing rubber pad one, through the setting of the sealing rubber pad one and the sealing rubber pad two, the upper cover and the lower cover of the sound elimination tank can be sealed.

[0012] Further, the filtering mechanism comprises a fixed column, the inner wall of the air inlet pipe is fixedly connected with the fixed column, the inside of the fixed column is provided with a rotating rod through a bearing, the surface of the rotating rod is fixedly connected with a fan blade, the inclined rod of the rotating rod is fixedly connected with a rotating ring, the inner wall of the rotating ring is fixedly connected with a filter screen, the inner wall of the air inlet pipe and located below the rotating ring is fixedly connected with a fixed rod, the upper side of the fixed rod is fixedly connected with a brush, the brush is in contact with the filter screen, and the inner wall of the air inlet pipe is provided with an annular groove, through the setting of the filter screen, the impurities in the high-speed flowing gas can be filtered out, and under the structures of the brush and the rotating rod, the impurities attached to the filter screen can be cleaned, so that the flowing effect of the filter screen is guaranteed.

[0013] Further, the fan blade is provided with a plurality of fan blades, and the plurality of fan blades are arranged in an annular array on the rotating rod, through the setting of the fan blade, when the high-speed gas impacts the fan blade, the normal rotation of the rotating rod can be guaranteed.

[0014] Further, the brush is provided with a plurality of brushes, and the plurality of brushes are uniformly distributed on the fixed rod, through the setting of the brush, the impurities attached to the filter screen can be cleaned.

[0015] Further, the side of the rotating ring is fixedly connected with a plurality of annular array arranged convex points, each convex point is in sliding connection with the annular groove, through the cooperation of the convex point and the annular groove, the rotation stability of the rotating ring can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure perspective view of the adjustable pressure sound elimination tank of the embodiment of the application;

[0017] Figure 2 It is a whole structure perspective view of the adjustable pressure sound elimination tank of the embodiment of the application; Figure 1 It is a front view of the lower cover of the sound elimination tank;

[0018] Figure 3 It is a front view of the lower cover of the sound elimination tank; Figure 1 It is a side view of the upper cover of the sound elimination tank;

[0019] Figure 4 The adjustable pressure muffler of the present application Figure 1 is a front view of a sectional view;

[0020] Figure 5 The adjustable pressure muffler of the present application Figure 4 is a spring perspective view;

[0021] Figure 6 The adjustable pressure muffler of the present application Figure 4 is an enlarged view of the air inlet pipe.

[0022] Further details are described below through specific embodiments:

[0023] The reference signs in the drawings of the specification include: muffler upper cover 1, airflow buffer one 101, muffler lower cover 2, airflow buffer two 201, female buckle 3, male buckle 4, sealing rubber pad one 5, sealing rubber pad two 6, bolt 7, spring 8, plug 9, air inlet pipe 10, air outlet pipe 11, filtering mechanism 12, fixed column 121, rotating rod 122, fan blade 123, rotating ring 124, filter screen 125, fixed rod 126, bristles 127, annular groove 128, convex point 129. Specific embodiments

[0024] The embodiments are basically as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , the present embodiment provides an adjustable pressure muffler, which comprises a muffler upper cover 1, the inner side of the muffler upper cover 1 is provided with an airflow buffer one 101, the left side of the muffler upper cover 1 is in contact with a muffler lower cover 2, the inner side of the muffler lower cover 2 is provided with an airflow buffer two 201, the inside of the muffler upper cover 1 is threadedly connected with a bolt 7, the outer side of the bolt 7 is provided with a spring 8, the lower end of the spring 8 is fixedly connected with a plug 9, the plug 9 is slidingly connected with the muffler upper cover 1, the lower end of the muffler upper cover 1 is fixedly connected with an air inlet pipe 10, and the upper end of the muffler upper cover 1 is fixedly connected with an air outlet pipe 11.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , the surface of the muffler upper cover 1 is provided with a female buckle 3, the surface of the muffler lower cover 2 is provided with a male buckle 4, the male buckle 4 and the female buckle 3 are mutually clamped, and through the setting of the male buckle 4 and the female buckle 3, the muffler upper cover 1 and the muffler lower cover 2 can be locked and installed for use.

[0026] As shown in Figure 1 , Figure 2 ,Figure 3 、 Figure 4 As shown in the figure, the inner side wall of the upper cover 1 of the muffler is bonded with a sealing rubber pad 1, the side of the lower cover 2 of the muffler is bonded with a sealing rubber pad 2, the sealing rubber pad 2 is in contact with the upper cover 1 of the muffler, and the sealing rubber pad 2 is in contact with the sealing rubber pad 1. Through the arrangement of the sealing rubber pad 1 and the sealing rubber pad 2, the upper cover 1 of the muffler and the lower cover 2 of the muffler can be sealed.

[0027] As shown in the figure, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 As shown in the figure, the inside of the air inlet pipe 10 is provided with a filtering mechanism 12, the filtering mechanism 12 includes a fixed column 121, the inner wall of the air inlet pipe 10 is fixedly connected with the fixed column 121, the inside of the fixed column 121 is installed with a rotating rod 122 through a bearing, the surface of the rotating rod 122 is fixedly connected with a fan blade 123, the inclined rod of the rotating rod 122 is fixedly connected with a rotating ring 124, the inner wall of the rotating ring 124 is fixedly connected with a filter screen 125, the inner wall of the air inlet pipe 10 and located below the rotating ring 124 is fixedly connected with a fixed rod 126, the upper side of the fixed rod 126 is fixedly connected with a brush 127, the brush 127 is in contact with the filter screen 125, the inner wall of the air inlet pipe 10 is provided with an annular groove 128, through the arrangement of the filter screen 125, the impurities in the high-speed flowing gas can be filtered out, under the structure of the brush 127 and the rotating rod 122, the impurities attached to the filter screen 125 can be cleaned to ensure the flow effect of the filter screen 125.

[0028] As shown in the figure, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 As shown in the figure, the fan blade 123 is provided with a plurality of fan blades 123, and the plurality of fan blades 123 are arranged in a ring array on the rotating rod 122. Through the arrangement of the fan blade 123, when the high-speed gas impacts the fan blade 123, the normal rotation of the rotating rod 122 can be ensured. The brush 127 is provided with a plurality of brushes 127, and the plurality of brushes 127 are uniformly distributed on the fixed rod 126. Through the arrangement of the brush 127, the impurities attached to the filter screen 125 can be cleaned. The side of the rotating ring 124 is fixedly connected with a plurality of annular array arranged convex points 129, each convex point 129 is slidably connected with the annular groove 128. Through the cooperation of the convex point 129 and the annular groove 128, the rotation stability of the rotating ring 124 can be ensured.

[0029] The utility model discloses a specific implementation process as follows: through the setting of the female buckle 3 of buckle position, the male buckle 4 of buckle position can be fixedly connected between the sound elimination tank upper cover 1 and the sound elimination tank lower cover 2, under the cooperation of the sealing rubber mat one 5, the sealing rubber mat two 6, the sound elimination tank can be sealed, through the setting of airflow buffer piece one 101, airflow buffer piece two 201 etc. structure, the airflow of high -speed flow can be buffered and handled, to effectively reduce the noise of airflow generation, when the air pressure of airflow does not reach the predetermined value, spring 8 does not occur deformation, internal airflow continues to increase, until the internal air pressure reaches the predetermined value of the regulation, spring 8 occurs shrinkage deformation, makes the plug 9 separate sound elimination tank upper cover 1 surface pressure relief groove, and then the airflow is stabilized at the predetermined air pressure state, and the sound elimination tank is used for automatic pressure regulation,

[0030] Through the setting of filter screen 125, the impurities in the high-speed flowing gas can be filtered out, avoiding the influence of impurities on the subsequent structural members, under the impact of high-speed airflow, the fan blade 123 can be blown to rotate, driving the rotating rod 122 to rotate, and then driving the rotating ring 124 to rotate, so that the rotating ring 124 drives the convex point 129 to slide along the inner wall of the annular groove 128, to ensure the stability of the rotating ring 124, and when the rotating ring 124 rotates, the filter screen 125 can be driven to rotate, so that the bristles 127 move along the surface of the filter screen 125 to clean the impurities on the surface of the filter screen 125, to ensure the flow effect of the filter screen 125.

[0031] The utility model discloses a specific implementation process as follows: through the setting of filter screen 125, the impurities in the high-speed flowing gas can be filtered out, avoiding the influence of impurities on the subsequent structural members, under the impact of high-speed airflow, the fan blade 123 can be blown to rotate, driving the rotating rod 122 to rotate, and then driving the rotating ring 124 to rotate, so that the rotating ring 124 drives the convex point 129 to slide along the inner wall of the annular groove 128, to ensure the stability of the rotating ring 124, and when the rotating ring 124 rotates, the filter screen 125 can be driven to rotate, so that the bristles 127 move along the surface of the filter screen 125 to clean the impurities on the surface of the filter screen 125, to ensure the flow effect of the filter screen 125.

[0032] It needs to be pointed out in advance that in the present application, unless otherwise specified and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific situation.

[0033] The above is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the patent. The protection scope claimed in this application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An adjustable pressure silencer canister, comprising a silencer canister cover, characterized in that: An airflow buffer is provided on the inner side of the muffler canister top cover. The left side of the muffler canister top cover contacts the muffler canister bottom cover. An airflow buffer is provided on the inner side of the muffler canister bottom cover. A bolt is threadedly connected to the inside of the muffler canister top cover. A spring is provided on the outside of the bolt. A plug is fixedly connected to the lower end of the spring. The plug is slidably connected to the muffler canister top cover. An air inlet pipe is fixedly connected to the lower end of the muffler canister top cover. An air outlet pipe is fixedly connected to the upper end of the muffler canister top cover. A filter mechanism is provided inside the air inlet pipe.

2. The adjustable pressure silencer tank according to claim 1, characterized in that: The surface of the upper cover of the muffler is provided with a female snap fastener, and the surface of the lower cover of the muffler is provided with a male snap fastener. The male snap fastener and the female snap fastener are engaged with each other.

3. The adjustable pressure silencer tank according to claim 1, characterized in that: A sealing gasket is bonded to the inner wall of the muffler top cover, and a sealing gasket is bonded to the side of the muffler bottom cover. The sealing gasket is in contact with the muffler top cover and the sealing gasket is in contact with the sealing gasket.

4. The adjustable pressure silencer tank according to claim 1, characterized in that: The filtration mechanism includes a fixed column, which is fixedly connected to the inner wall of the air intake pipe. A rotating rod is installed inside the fixed column via a bearing. A fan blade is fixedly connected to the surface of the rotating rod. A rotating ring is fixedly connected to the inclined rod of the rotating rod. A filter screen is fixedly connected to the inner wall of the rotating ring. A fixed rod is fixedly connected to the inner wall of the air intake pipe, located below the rotating ring. Brush bristles are fixedly connected to the upper side of the fixed rod, and the brush bristles contact the filter screen. An annular groove is formed on the inner wall of the air intake pipe.

5. The adjustable pressure silencer tank according to claim 4, characterized in that: The fan blades are provided in multiple ways, and the multiple fan blades are arranged in a circular array on the rotating rod.

6. The adjustable pressure silencer tank according to claim 4, characterized in that: The brush bristles are provided in multiple quantities and are evenly distributed on the fixed rod.

7. The adjustable pressure silencer tank according to claim 4, characterized in that: The rotating ring has multiple protrusions arranged in a ring array fixedly connected to its side, and each protrusion is slidably connected to the ring groove.

Images