CN119163834A - A pipe wall noise reduction and reinforcement structure - Google Patents
A pipe wall noise reduction and reinforcement structure Download PDFInfo
- Publication number
- CN119163834A CN119163834A CN202411650501.4A CN202411650501A CN119163834A CN 119163834 A CN119163834 A CN 119163834A CN 202411650501 A CN202411650501 A CN 202411650501A CN 119163834 A CN119163834 A CN 119163834A
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly connected
- fixing frame
- rod
- frame
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Duct Arrangements (AREA)
Abstract
The invention relates to the technical field of noise reduction and reinforcement of air pipes and discloses a pipe wall noise reduction and reinforcement structure, which comprises a supporting mechanism, wherein the supporting mechanism comprises a first fixing frame, an elastic component is fixedly connected to the outer wall of the first fixing frame, a second fixing frame is fixedly connected to the outer wall of one side of the first fixing frame far away from the elastic component, a first sliding frame is arranged at the top of the second fixing frame, a screw is rotationally connected to the inner wall of the first sliding frame, a fixed shaft is fixedly connected to the outer wall of the second fixing frame, during the operation of a fan, the rectangular air pipe is reinforced through the supporting mechanism, vibration generated by the fan is absorbed through the elastic component, and the sound insulation sponge is reinforced through an adjusting component, so that the sound insulation sponge is more attached to the outer wall of the rectangular air pipe, and the blocking effect of the sound insulation sponge on noise is improved.
Description
Technical Field
The invention relates to the technical field of noise reduction and reinforcement of air pipes, in particular to a noise reduction and reinforcement structure of pipe walls.
Background
Rectangular air pipes are common ventilating ducts and are widely applied to ventilating systems of buildings, and noise reduction and reinforcement treatment are generally required for the rectangular air pipes in order to reduce noise and vibration in the running process.
The patent application with the application number of CN202323229330.1 discloses a ventilating duct support and hanger reinforcing system, which comprises a duct composed of a plurality of sections of rectangular air pipes, wherein right-angle reinforcing ribs are arranged at the middle positions of the rectangular air pipes, an insulating layer is arranged on the duct, the horizontal part of the duct is fixed through a horizontal bracket, the vertical part of the duct is fixed through a vertical bracket, and steel plates and anti-corrosion skids are arranged between the duct and the horizontal bracket as well as between the duct and the vertical bracket.
In summary, when the rectangular air duct is applied in an environment with severe noise requirements, if the rectangular air duct is not subjected to effective vibration isolation treatment during the operation of the fan, vibration generated by the fan is directly transmitted to the air duct, so that the air duct vibrates and emits noise, in the traditional mode, the problem that the reinforcing operation is complicated and the replacement is inconvenient exists when the sound insulation sponge is additionally arranged on the outer wall of the rectangular air duct, and if the sound insulation sponge cannot be completely attached to the outer wall of the rectangular air duct, the blocking effect of the sound insulation sponge on the noise is obviously weakened.
Therefore, we propose a noise reduction reinforcing structure for pipe wall.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pipe wall noise reduction reinforcing structure for solving the problems in the background art.
In order to achieve the above purpose, the invention provides the technical scheme that the pipe wall noise reduction reinforcing structure comprises a supporting mechanism, wherein the supporting mechanism comprises a first fixing frame, an elastic component is fixedly connected to the outer wall of the first fixing frame, a second fixing frame is fixedly connected to the outer wall of one side of the first fixing frame far away from the elastic component, a first sliding frame is arranged at the top of the second fixing frame, a screw is rotatably connected to the inner wall of the first sliding frame, and a fixing shaft is fixedly connected to the outer wall of the second fixing frame, and the pipe wall noise reduction reinforcing structure further comprises:
The adjusting component comprises a second sliding frame which is in sliding connection with the fixed shaft, a second connecting rod is arranged on the inner wall of the second sliding frame, a second spring is fixedly connected to the outer wall of one side, close to the second fixing frame, of the second sliding frame, one end, far away from the second sliding frame, of the second spring is fixedly connected with the second fixing frame, and a first connecting rod is connected to the inner wall of one side, close to the second fixing frame, of the second sliding frame through rotation of a rotating shaft.
According to the technical scheme, the outer wall of first carriage rotates through the pivot and is connected with first dwang, the one end that first dwang kept away from first carriage is rotated through the pivot and is connected with the second dwang, the one end that first dwang was kept away from to the second dwang is rotated with the second mount and is connected, the quantity of first dwang is two first dwang uses first carriage axis as central symmetry setting, first carriage is close to towards one side of second mount under the effect of screw rod to first carriage causes the extrusion to the second dwang simultaneously through first dwang.
According to the technical scheme, one side inner wall that the second carriage was kept away from to the second connecting rod rotates with the second mount to be connected, the second through-hole has been seted up to the inner wall of second connecting rod, one side outer wall that the second mount was kept away from to the second connecting rod rotates through the pivot and is connected with the clamp plate, the inner wall and the second carriage sliding connection of second through-hole, the clamp plate is different according to the distance difference between second carriage and the second mount, and is different to the dynamics of giving sound insulation the sponge.
According to the technical scheme, the third through hole is formed in the inner wall of one side, close to the second fixing frame, of the pressing plate, the connecting shafts are fixedly connected to the outer wall of one side, close to the second fixing frame, of the pressing plate, the number of the connecting shafts is two, and the two connecting shafts are symmetrically arranged by taking the central axis of the limiting plate as the center.
According to the technical scheme, one end of the connecting shaft away from the pressing plate penetrates through the second connecting rod, and is fixedly connected with the limiting plate, a third spring is fixedly connected to the outer wall of one side of the limiting plate, which is close to the second connecting rod, one end of the third spring away from the limiting plate is fixedly connected with the second connecting rod, and the third spring is used for resetting of the pressing plate.
According to the technical scheme, the one end fixedly connected with fixed block that the second mount was kept away from to the fixed axle, the inner wall fixedly connected with arc pole of fixed block, first through-hole has been seted up to the inner wall of arc pole, the inner wall and the second carriage sliding connection of first through-hole, the quantity of fixed axle is two, two the fixed axle uses the second mount axis to set up as central symmetry.
According to the technical scheme, the one end that the fixed block was kept away from to the arc pole is rotated through the pivot and is connected with the clamping lever, one side outer wall fixedly connected with first spring that the clamping lever is close to the arc pole, the one end and the arc pole fixed connection of clamping lever are kept away from to first spring, the clamping lever carries out the angle modulation through first spring to can be more convenient fix the sound insulation sponge of connecting pipe outer wall.
A rectangular air duct comprises a connecting pipe, wherein the outer wall of the connecting pipe is fixedly connected with a first fixing frame, the outer wall of the connecting pipe is fixedly connected with a flange, one end, away from the connecting pipe, of the flange is fixedly connected with a sealing ring, and the inner wall of the connecting pipe is fixedly connected with a sound absorbing plate.
Compared with the prior art, the invention provides a pipe wall noise reduction reinforcing structure, which has the following beneficial effects:
1. According to the invention, the pipe wall noise reduction reinforcing structure is arranged, when the fan runs, the rectangular air pipe is reinforced through the supporting mechanism, the vibration generated by the fan is absorbed through the elastic component, and the sound insulation sponge is reinforced through the adjusting component, so that the sound insulation sponge is more attached to the outer wall of the rectangular air pipe, and the blocking effect of the sound insulation sponge on noise is improved.
2. According to the sound insulation sponge clamping device, the supporting mechanism is arranged, the first sliding frame moves towards the direction of the second fixing frame by means of synchronous pushing of the screw rods on the two sides, the first sliding frame is further caused to exert extrusion action on the second rotating rod by means of the first rotating rod, the second sliding frame can slide towards one side of the fixing block along the fixing shaft, and the pressing plate and the clamping rod can clamp and fix the sound insulation sponge at the same time through the second sliding frame.
3. According to the invention, the arc-shaped rod and the clamping rod are arranged, and the second sliding frame slides towards one side of the fixed block, and one end of the arc-shaped rod away from the fixed block is turned towards one side of the connecting pipe, so that the sound insulation sponge on the outer wall of the connecting pipe is clamped and fixed through the clamping rod, and the convenience of reinforcing the sound insulation sponge is improved.
4. According to the invention, the adjusting assembly is arranged, when the second sliding frame slides towards one side of the fixed block, the second connecting rod turns over with the second fixed frame as the center, after the sound insulation sponge is extruded by the pressing plate, the pressing plate is adjusted by a certain angle through the connecting shaft, so that the contact area between the pressing plate and the sound insulation sponge is increased, the extrusion force of the pressing plate on the sound insulation sponge is improved, and the sound insulation sponge is more attached to the outer wall of the rectangular air pipe.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall frontal structure of the present invention;
FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the support mechanism and the adjusting assembly of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 5 is a schematic view of a supporting mechanism according to the present invention;
FIG. 6 is a schematic view of a supporting mechanism according to the present invention;
FIG. 7 is a schematic view of the structure of the adjusting assembly of the present invention;
fig. 8 is a schematic view of the structure of the adjusting assembly of the present invention.
In the figure, 1, a supporting mechanism, 101, a first fixing frame, 102, an elastic component, 103, a second fixing frame, 104, a first sliding frame, 105, a first rotating rod, 106, a screw, 107, a fixed shaft, 108, a second rotating rod, 109, a fixed block, 110, an arc-shaped rod, 111, a first through hole, 112, a clamping rod, 113, a first spring, 2, an adjusting component, 201, a second sliding frame, 202, a first connecting rod, 203, a second spring, 204, a second connecting rod, 205, a second through hole, 206, a pressing plate, 207, a third through hole, 208, a connecting shaft, 209, a limiting plate, 210, a third spring, 301, a connecting pipe, 302, a flange, 303, a sealing ring, 304 and an acoustic board.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-6, the invention provides a technical scheme, including a supporting mechanism 1, the supporting mechanism 1 includes a first fixing frame 101, an outer wall of the first fixing frame 101 is fixedly connected with an elastic component 102, the elastic component 102 is made of rubber, and has a certain vibration damping and noise reducing function, an outer wall of one side of the first fixing frame 101 far away from the elastic component 102 is fixedly connected with a second fixing frame 103, an outer wall of one side of the second fixing frame 103 far away from the first fixing frame 101 is fixedly connected with a flange 302, so that stability of the second fixing frame 103 is improved, a first sliding frame 104 is arranged at the top of the second fixing frame 103, a screw 106 is rotatably connected with an inner wall of the first sliding frame 104, one end of the screw 106 far away from the first sliding frame 104 is rotatably connected with an outer wall of a connecting pipe 301, a space between the first sliding frame 104 and the connecting pipe 301 can be adjusted by rotating the screw 106, and the outer wall of the second fixing frame 103 is fixedly connected with a fixing shaft 107, and the technical scheme includes:
The adjusting component 2 comprises a second sliding frame 201 which is slidably connected with the fixed shaft 107, a second connecting rod 204 is arranged on the inner wall of the second sliding frame 201, a second spring 203 is fixedly connected to the outer wall of one side, close to the second fixing frame 103, of the second sliding frame 201, one end, far away from the second sliding frame 201, of the second spring 203 is fixedly connected with the second fixing frame 103, a first connecting rod 202 is rotatably connected to the inner wall of one side, close to the second fixing frame 103, of the second sliding frame 201 through a rotating shaft, in the operation process of the fan, reinforcing operation is carried out on a rectangular air pipe through the supporting mechanism 1, vibration generated during the operation of the fan is absorbed by the aid of an elastic component 102 between the first fixing frame 101 and the second fixing frame 103, and the sound insulation sponge is reinforced through the adjusting component 2, so that the sound insulation sponge is tightly attached to the outer wall of the rectangular air pipe, and the blocking efficiency of the sound insulation sponge to noise is enhanced.
The outer wall of first carriage 104 rotates through the pivot and is connected with first dwang 105, and the one end that first dwang 105 kept away from first carriage 104 is rotated through the pivot and is connected with second dwang 108, and first carriage 104 is close to towards one side of second mount 103 under the effect of screw rod 106 to first carriage 104 causes the extrusion to second dwang 108 simultaneously through first dwang 105, and the one end that second dwang 108 kept away from first dwang 105 is rotated with second mount 103 and is connected.
One end fixedly connected with fixed block 109 of fixed axle 107 keeping away from second mount 103, the inner wall fixedly connected with arc pole 110 of fixed block 109, first through-hole 111 has been seted up to the inner wall of arc pole 110, the inner wall and the second carriage 201 sliding connection of first through-hole 111, because second carriage 201 slides towards fixed block 109 one side, the one end that fixed block 109 was kept away from to arc pole 110 is overturned towards connecting pipe 301 one side, and then carry out the centre gripping through clamping lever 112 to the sound insulation sponge of connecting pipe 301 outer wall fixedly, thereby promote the convenience to sound insulation sponge reinforcement operation.
The one end that fixed block 109 was kept away from to arc pole 110 is rotated through the pivot and is connected with clamping lever 112, clamping lever 112 is close to one side outer wall fixedly connected with first spring 113 of arc pole 110, clamping lever 112 carries out the angle modulation through first spring 113, thereby can be more convenient fixed the sound insulation sponge of connecting pipe 301 outer wall, the one end that clamping lever 112 was kept away from to first spring 113 and arc pole 110 fixed connection, rely on the synchronous application of force of screw 106 of both sides to promote, make first carriage 104 towards the direction displacement of second mount 103, thereby make first carriage 104 rely on first dwang 105 to apply the extrusion effect to second dwang 108, and then let second carriage 201 can slide towards fixed block 109 one side along fixed axle 107, can realize clamp plate 206 and clamping lever 112 simultaneously to the sound insulation sponge carry out the fixed operation of centre gripping.
The working principle of this embodiment is that when the reinforcement operation of the sound insulation sponge is implemented on the outer wall of the connecting pipe 301, firstly, the sound insulation sponge is completely wrapped on the outer wall of the connecting pipe 301, then, the screws 106 on two sides are simultaneously rotated in the same direction, under the driving of this action, the first sliding frame 104 starts to slowly slide towards one side of the connecting pipe 301, as the first sliding frame 104 gradually descends, the outer wall of the first sliding frame is forced to squeeze the second rotating rod 108 through the tightly connected first rotating rod 105, after the second rotating rod 108 squeezes the first connecting rod 202, the linkage reaction is triggered, so that the second sliding frame 201 slides smoothly towards one side of the fixed block 109 along the fixed shaft 107, in the whole sliding process of the second sliding frame 201, the second spring 203 is continuously stretched, a certain elastic potential energy is accumulated, and when the second sliding frame 201 continuously slides towards one side of the fixed block 109, one end of the arc-shaped rod 110 is far away from one side of the fixed block 109, at this moment, the second rotating rod 108 is forced to squeeze the second rotating rod 108 through the tightly connected first rotating rod 105, after that the second rotating rod 108 is transferred, after that the second rotating rod 108 squeezes the first connecting rod 202, the sound insulation sponge is enabled to be contacted with the first rotating rod 112, the sponge 113, thereby realizing a certain contact effect with the sound insulation sponge, and a certain contact effect is realized, and the high-level is realized, and the sound insulation sponge is realized by the continuously, and the sponge is enabled to be contacted with the first rotating rod 112, and the sponge is gradually pushed and is contacted with the sponge and the sponge, and the sponge is tightly and tightly contacted with the second sponge rod, and is tightly and the second rotating rod, thus, the fixing state of the clamping rod 112 to the sound insulation sponge can be released, and the sound insulation sponge can be smoothly unfolded and replaced, so that the sound insulation device is always in a good working state.
Referring to fig. 7-8, the present invention provides a technical solution based on the first embodiment, in which the inner wall of one side of the second connecting rod 204 far from the second sliding frame 201 is rotationally connected with the second fixing frame 103, the inner wall of the second connecting rod 204 is provided with a second through hole 205, the outer wall of one side of the second connecting rod 204 far from the second fixing frame 103 is rotationally connected with a pressing plate 206 through a rotating shaft, the inner wall of the second through hole 205 is slidingly connected with the second sliding frame 201, and the pressing plate 206 applies different force to the sound insulation sponge according to different distances between the second sliding frame 201 and the second fixing frame 103.
The inner wall of one side of the pressing plate 206, which is close to the second fixing frame 103, is provided with a third through hole 207, the outer wall of one side of the pressing plate 206, which is close to the second fixing frame 103, is fixedly connected with a connecting shaft 208, and the connecting shaft 208 enables one side of the pressing plate 206, which is close to the second fixing frame 103, to be more stable in the moving process.
One end that connecting axle 208 kept away from clamp plate 206 runs through in second connecting rod 204, and fixedly connected with limiting plate 209, limiting plate 209 is close to one side outer wall fixedly connected with third spring 210 of second connecting rod 204, third spring 210 is used for the reset action of clamp plate 206, one end and the second connecting rod 204 fixed connection of limiting plate 209 are kept away from to third spring 210, when second carriage 201 slides towards fixed block 109 one side, second connecting rod 204 uses second mount 103 as the axle center upset, after squeezing the sound insulation sponge through clamp plate 206, carry out certain angle adjustment to clamp plate 206 with the help of connecting axle 208, thereby increase the area of contact between clamp plate 206 and the sound insulation sponge, the extrusion dynamics of reinforcing clamp plate 206 to the sound insulation sponge, and then make sound insulation sponge and rectangle tuber pipe outer wall laminating more inseparable.
The working principle of the embodiment is that in the process that the second sliding frame 201 moves towards one side of the fixed block 109, sliding connection is formed between the outer wall of the second sliding frame 201 and the second through hole 205 of the inner wall of the second connecting rod 204, under the action, the second connecting rod 204 can overturn by taking the first fixing frame 101 as a center point, then, the sound insulation sponge on the outer wall of the connecting pipe 301 is extruded and fixed through the pressing plate 206 at the bottom of the second connecting rod 204, when the second connecting rod 204 continuously overturns towards one side of the connecting pipe 301, one side of the pressing plate 206 close to the first fixing frame 101 is firstly contacted with the sound insulation sponge, along with the continuous action of the second connecting rod 204, the contact area between the pressing plate 206 and the sound insulation sponge is gradually enlarged, the gradually increased contact area effectively enhances the extrusion force of the pressing plate 206 on the sound insulation sponge, and further enables the sound insulation sponge to be attached to the outer wall of the rectangular air pipe more tightly, and better sound insulation effect is achieved, however, when the pressing plate 206 excessively extrusions the sound insulation sponge, one side of the pressing plate 206 close to the first fixing frame 101 can slide through the connecting shaft 208, and the sliding action can skillfully avoid the situation that the pressing plate 206 is close to one side of the first fixing frame 101, the sound insulation sponge is prevented from being excessively extruded and damaged due to the fact that the whole sound insulation sponge is excessively extruded and stable, and stable performance is not influenced at the whole process is guaranteed, and simultaneously.
A rectangular air duct comprises a connecting pipe 301, wherein the outer wall of the connecting pipe 301 is fixedly connected with a first fixing frame 101, the outer wall of the connecting pipe 301 is fixedly connected with a flange 302, one end, away from the connecting pipe 301, of the flange 302 is fixedly connected with a sealing ring 303, and the inner wall of the connecting pipe 301 is fixedly connected with a sound absorbing plate 304.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411650501.4A CN119163834B (en) | 2024-11-19 | 2024-11-19 | Pipe wall noise reduction reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411650501.4A CN119163834B (en) | 2024-11-19 | 2024-11-19 | Pipe wall noise reduction reinforcing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119163834A true CN119163834A (en) | 2024-12-20 |
| CN119163834B CN119163834B (en) | 2025-05-27 |
Family
ID=93887021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411650501.4A Active CN119163834B (en) | 2024-11-19 | 2024-11-19 | Pipe wall noise reduction reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119163834B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6796335B1 (en) * | 2000-06-09 | 2004-09-28 | Securus, Inc. | Pipe protector and support |
| EP2067979A1 (en) * | 2007-12-05 | 2009-06-10 | Hutchinson | Schalldämpfer für Zuführleitung einer Brennkraftmaschine und Zuführleitung, die diesen Schalldämpfer umfasst |
| CN207349608U (en) * | 2017-09-30 | 2018-05-11 | 新昌县扬中磨具有限公司 | A kind of drainpipe for having explosion prevention shock absorption decrease of noise functions concurrently |
| CN113494651A (en) * | 2021-05-07 | 2021-10-12 | 周云龙 | Reinforcing base for laying pipes |
| CN113812051A (en) * | 2019-11-18 | 2021-12-17 | 龚柱 | Fixing frame for mounting line pipe of Internet of things weak current engineering and using method of fixing frame |
| CN215635683U (en) * | 2021-06-21 | 2022-01-25 | 江苏海陆航管道设备有限公司 | High leakproofness expansion joint |
| CN117091027A (en) * | 2023-10-16 | 2023-11-21 | 山东港源管道物流有限公司 | Joint protection device for crude oil pipeline |
| CN220910834U (en) * | 2023-09-27 | 2024-05-07 | 济宁中山公用水务有限公司 | External protection structure of water supply pipeline |
-
2024
- 2024-11-19 CN CN202411650501.4A patent/CN119163834B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6796335B1 (en) * | 2000-06-09 | 2004-09-28 | Securus, Inc. | Pipe protector and support |
| EP2067979A1 (en) * | 2007-12-05 | 2009-06-10 | Hutchinson | Schalldämpfer für Zuführleitung einer Brennkraftmaschine und Zuführleitung, die diesen Schalldämpfer umfasst |
| CN207349608U (en) * | 2017-09-30 | 2018-05-11 | 新昌县扬中磨具有限公司 | A kind of drainpipe for having explosion prevention shock absorption decrease of noise functions concurrently |
| CN113812051A (en) * | 2019-11-18 | 2021-12-17 | 龚柱 | Fixing frame for mounting line pipe of Internet of things weak current engineering and using method of fixing frame |
| CN113494651A (en) * | 2021-05-07 | 2021-10-12 | 周云龙 | Reinforcing base for laying pipes |
| CN215635683U (en) * | 2021-06-21 | 2022-01-25 | 江苏海陆航管道设备有限公司 | High leakproofness expansion joint |
| CN220910834U (en) * | 2023-09-27 | 2024-05-07 | 济宁中山公用水务有限公司 | External protection structure of water supply pipeline |
| CN117091027A (en) * | 2023-10-16 | 2023-11-21 | 山东港源管道物流有限公司 | Joint protection device for crude oil pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119163834B (en) | 2025-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN119163834B (en) | Pipe wall noise reduction reinforcing structure | |
| CN108716250B (en) | Hollow wall sound absorbing board | |
| WO2015090172A2 (en) | Loudspeaker | |
| CN213725684U (en) | A shock attenuation noise elimination base for compressed air drying machine | |
| CN113459967B (en) | A sound insulation rubber block structure for avoiding motion interference | |
| CN207481806U (en) | A kind of automobile noise reduction sound panel | |
| CN211119720U (en) | Base buffering frame for air conditioner host | |
| CN218599133U (en) | Warm pipeline shock attenuation fixing device that leads to | |
| CN206350162U (en) | Power amplifier device with shock-absorbing structure | |
| CN211152156U (en) | Gun type microphone | |
| CN212850867U (en) | Phase inversion type sound box used in meeting room | |
| CN222215883U (en) | Router with dehumidification heat dissipation function | |
| CN221855900U (en) | Curtain wall with fireproof heat-insulating structure | |
| CN213808648U (en) | Metal antidetonation supporting structure convenient to equipment | |
| CN206879032U (en) | Vibration damping base of intelligent sound box | |
| CN218416005U (en) | Noise reduction shell of motor | |
| CN207672784U (en) | A kind of home cinema diffuser-absorber | |
| CN207003821U (en) | A kind of movable folding type bracket | |
| CN220232728U (en) | Video storage device developed by engineering technology | |
| CN207321238U (en) | A kind of computer network signal receiver being easily installed | |
| CN221919932U (en) | Building steel construction curtain | |
| CN217210528U (en) | Heat exchange tube for explosion-proof heater | |
| CN116857474B (en) | Folded plate type silencer | |
| CN217301906U (en) | Shockproof air pipe of making an uproar of falling | |
| CN223039423U (en) | A cabinet for electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |