CN214788369U - Liquid pressure pulsation eliminating device - Google Patents
Liquid pressure pulsation eliminating device Download PDFInfo
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- CN214788369U CN214788369U CN202121201139.4U CN202121201139U CN214788369U CN 214788369 U CN214788369 U CN 214788369U CN 202121201139 U CN202121201139 U CN 202121201139U CN 214788369 U CN214788369 U CN 214788369U
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- liquid
- pressure pulsation
- pipe
- expansion box
- box body
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Abstract
The utility model relates to a liquid pressure pulsation eliminating device, which is provided with a liquid inlet and a liquid outlet, and comprises an expansion box body, a liquid inlet pipe and a liquid outlet pipe which are connected with the expansion box body, wherein the liquid inlet and the liquid outlet are respectively formed on one end part of the liquid inlet pipe and the liquid outlet pipe; the utility model discloses a liquid pressure pulsation remove device uses through the inside expansion chamber of expansion box and vibration/noise reduction mechanism's cooperation, the pressure pulsation problem of elimination that can be better to can reduce the requirement to expansion case volume, the volume of device is littleer, the utility model discloses a liquid pressure pulsation remove device structural design is compact reasonable, and the cost of manufacture is low, and economic benefits is good.
Description
Technical Field
The utility model relates to a liquid pressure pulsation eliminating device.
Background
When the compressor or the oil pump pressurizes or supplies oil, due to the working principle and the structure of the compressor or the oil pump, pipeline liquid can have pressure pulsation with certain frequency, the pulsation frequency is related to the rotating speed of the compressor or the oil pump and the number of blades or plungers, and the pressure pulsation can cause vibration and noise problems. In the prior art, a pressure pulsation eliminating method is to increase an expansion box body, but the effect of eliminating pressure pulsation is influenced by the volume of the expansion box body, so that the requirement on a cavity is high, the eliminating effect is poor, pressure pulsation cannot be eliminated well by a single expansion cavity, the pulsation eliminating effect of the single expansion cavity has high requirement on the volume of the expansion cavity, and the requirement on an installation space is also high.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough, provide a liquid pressure pulsation remove device.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
the utility model provides a liquid pressure pulsation remove device, remove device have inlet and liquid outlet, and remove device is including expanding the box, connecting feed liquor pipe and the drain pipe on expanding the box, and inlet and liquid outlet are formed in a tip of feed liquor pipe and drain pipe respectively, and remove device still falls the mechanism of making an uproar including locating the inside damping that just docks with the feed liquor pipe of expansion box.
Preferably, the vibration and noise reduction mechanism comprises a spiral hollow pipe, one end of the spiral hollow pipe is in butt joint communication with the liquid inlet pipe, and the other end of the spiral hollow pipe is movably arranged in the linear direction.
Preferably, the vibration and noise reduction mechanism further comprises an end plug fixed at the other end of the spiral hollow pipe and a support sleeve fixed on the expansion box body, and the end plug is arranged on the support sleeve in a sliding mode along the linear direction.
Preferably, a one-way valve is arranged on the liquid outlet pipe.
Preferably, the expansion box is cylindrical.
Preferably, the liquid inlet pipe and the liquid outlet pipe are respectively positioned at two corresponding ends of the expansion box body.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
the utility model discloses a liquid pressure pulsation remove device uses through the inside expansion chamber of expansion box and vibration/noise reduction mechanism's cooperation, the pressure pulsation problem of elimination that can be better to can reduce the requirement to expansion case volume, the volume of device is littleer, the utility model discloses a liquid pressure pulsation remove device structural design is compact reasonable, and the cost of manufacture is low, and economic benefits is good.
Drawings
Fig. 1 is a schematic front view of the liquid pressure pulsation eliminating apparatus of the present invention;
FIG. 2 is a schematic view of the liquid pressure pulsation damper of the present invention after the respective components are exploded;
wherein: 10. expanding the box body; 20. a spiral hollowed-out tube; 21. an end plug; 22. a support sleeve; 30. a one-way valve; g1, a liquid inlet pipe; g2, liquid outlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a liquid pressure pulsation eliminating device, the eliminating device has a liquid inlet and a liquid outlet, the eliminating device includes an expansion box 10 (the expansion box 10 is cylindrical, an expansion cavity is formed inside the expansion box 10), a liquid inlet pipe g1 and a liquid outlet pipe g2 (the liquid inlet pipe g1 and the liquid outlet pipe g2 are respectively located at two corresponding ends of the expansion box 10) connected to the expansion box 10, the liquid inlet and the liquid outlet are respectively formed at one end of the liquid inlet pipe g1 and the liquid outlet pipe g2, and the eliminating device further includes a vibration and noise reduction mechanism which is arranged inside the expansion box 10 and is butted with the liquid inlet pipe g 1. The liquid entering from the liquid inlet pipe g1 passes through the vibration and noise reduction mechanism and then flows into the expansion box body 10.
In this example, the vibration-damping and noise-reducing mechanism includes a spiral hollow pipe 20 having one end in butt communication with the liquid inlet pipe g1, and the other end of the spiral hollow pipe 20 is movably disposed in a linear direction. The vibration and noise reduction mechanism further comprises an end plug 21 fixed at the other end of the spiral hollow pipe 20 and a support sleeve 22 fixed on the expansion box body 10, wherein the end plug 21 is arranged on the support sleeve 22 in a sliding mode along the linear direction.
The utility model discloses a spiral fretwork pipe 20, during the use, fluid gets into spiral fretwork pipe 20 from feed liquor pipe g1, fluid can flow from spiral fretwork pipe 20 all over the body, and the other end of non-spiral fretwork pipe 20 flows, spiral fretwork pipe 20 receives the fluid impact force, can stretch the length of side, also be exactly the pitch grow, the gap of fretwork then can the grow, just also can increase from spiral fretwork pipe 20 exhaust fluid flow, can satisfy the fluid transport shock attenuation demand of different pressure, fluid is when passing through spiral fretwork pipe 20, can greatly eliminate pressure pulsation and noise reduction, later in fluid gets into the expansion chamber of expansion box 10, also can eliminate certain pressure pulsation.
In addition, the outlet pipe g2 is provided with a check valve 30, and the check valve 30 can eliminate certain pressure pulsation and prevent oil from flowing back. Through triple pulsating pressure eliminating structures, a good effect of eliminating pressure pulsation is achieved.
To sum up, the utility model discloses a liquid pressure pulsation remove device uses through the inside expansion chamber of expansion box and vibration/noise reduction mechanism's cooperation, and the pressure pulsation problem of elimination that can be better to can reduce the requirement to expansion case volume, the volume of device is littleer, the utility model discloses a liquid pressure pulsation remove device structural design is compact reasonable, and the cost of manufacture is low, and economic benefits is good.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A liquid pressure pulsation eliminating apparatus, characterized in that: the eliminating device is provided with a liquid inlet and a liquid outlet, the eliminating device comprises an expansion box body, a liquid inlet pipe and a liquid outlet pipe which are connected to the expansion box body, the liquid inlet and the liquid outlet are respectively formed on one end part of the liquid inlet pipe and the liquid outlet pipe, and the eliminating device is further arranged inside the expansion box body and is connected with a vibration reduction and noise reduction mechanism in butt joint with the liquid inlet pipe.
2. The liquid pressure pulsation reducing apparatus according to claim 1, wherein: the vibration-damping noise-reducing mechanism comprises a spiral hollow pipe, one end of the spiral hollow pipe is in butt joint communication with the liquid inlet pipe, and the other end of the spiral hollow pipe is movably arranged along the linear direction.
3. The liquid pressure pulsation reducing apparatus according to claim 2, wherein: the vibration and noise reduction mechanism further comprises an end plug fixed at the other end of the spiral hollow pipe and a support sleeve fixed on the expansion box body, and the end plug is arranged on the support sleeve in a sliding mode along the linear direction.
4. The liquid pressure pulsation reducing apparatus according to claim 1, wherein: and a one-way valve is arranged on the liquid outlet pipe.
5. The liquid pressure pulsation reducing apparatus according to claim 1, wherein: the expansion box body is cylindrical.
6. The liquid pressure pulsation dampener according to claim 5, wherein: the liquid inlet pipe and the liquid outlet pipe are respectively positioned at two corresponding ends of the expansion box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201139.4U CN214788369U (en) | 2021-05-31 | 2021-05-31 | Liquid pressure pulsation eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201139.4U CN214788369U (en) | 2021-05-31 | 2021-05-31 | Liquid pressure pulsation eliminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788369U true CN214788369U (en) | 2021-11-19 |
Family
ID=78699588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121201139.4U Active CN214788369U (en) | 2021-05-31 | 2021-05-31 | Liquid pressure pulsation eliminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788369U (en) |
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2021
- 2021-05-31 CN CN202121201139.4U patent/CN214788369U/en active Active
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