CN203627185U - Vibration reduction device for diaphragm pump outlet pipeline - Google Patents
Vibration reduction device for diaphragm pump outlet pipeline Download PDFInfo
- Publication number
- CN203627185U CN203627185U CN201320669426.7U CN201320669426U CN203627185U CN 203627185 U CN203627185 U CN 203627185U CN 201320669426 U CN201320669426 U CN 201320669426U CN 203627185 U CN203627185 U CN 203627185U
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- China
- Prior art keywords
- elastic plate
- hole
- spacer ring
- diaphragm pump
- cylindrical portion
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- 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 - Lifetime
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- 238000013016 damping Methods 0.000 claims abstract description 48
- 125000006850 spacer group Chemical group 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 230000010349 pulsation Effects 0.000 claims description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Images
Abstract
The utility model discloses a vibration reduction device for a diaphragm pump outlet pipeline. The vibration reduction device comprises a spacer ring, a first elastic plate and a second elastic plate are arranged on the two sides of the spacer ring respectively, and a pulse absorption area is formed by enclosing the spacer ring, the first elastic plate and the second elastic plate. One side, away from the spacer ring, of the first elastic plate is provided with a first casing, and one side, away from the spacer ring, of the second elastic plate is provided with a second casing. A first through hole is formed in the first casing, a second through hole is formed in the second casing, a first damping hole enabling the first through hole and the pulse absorption area to be communicated is formed in the first elastic plate, and a second damping hole enabling the second through hole and the pulse absorption area to be communicated is formed in the second elastic plate. The vibration reduction device for the diaphragm pump outlet pipeline can avoid fatigue damage to the pipeline.
Description
Technical field
The utility model relates to diaphragm pump field, relates in particular to a kind of vibration damping equipment of diaphragm pump outlet conduit.
Background technique
Diaphragm pump can be carried chemistry and mechanical erosion, different slurry or paste and the full-bodied fluid of concentration efficiently, reliably, so be widely used in the conveying of all kinds of chemical product and Sludge in Sewage Treatment.Diaphragm pump is in running, and due to the discontinuity that fluid sucks and discharges, ducted flow stream pressure and flow are cyclically-varying, and this phenomenon is called the pressure pulsation of liquid stream.When pulsating fluid is carried along pipeline, run into the elements such as elbow, reducer, branched pipe, valve, blind plate and will produce time dependent excitation force, be subject to this excitation force effect, pipeline just produces certain mechanical vibration response.Pressure pulsation is larger, and amplitude and the dynamic stress of pipe vibration are larger.Strong Pulsating Flow can cause the mechanical vibration of pipeline, causes pipeline fatigue ruption, leaks, and becomes the hidden danger of an equipment.
Conventionally reduce with various flexibility connection pipes the transmission that Management of Pipeline Mechanical Equipment vibrates in the prior art, with the accumulator pipeline fluid pulsation of decaying.But flexibility connection pipe can reduce the transmission of Management of Pipeline Mechanical Equipment vibration, and to the essentially no attenuation of pipeline fluid fluctuation pressure; Though accumulator is attenuated tubes fluid pulsation pressure (especially very remarkable at low-frequency range attenuating) preferably, at medium-high frequency section DeGrain, to Management of Pipeline Mechanical Equipment, vibration only slightly reduces.Also there is an obvious defect in accumulator, needs to inflate aperiodically, keeps certain pressure to maintain air bag.Mechanical type wave suppression arrangement is applied aspect many, in some technology, also introduce the effect of twin nipple, gap, screen casing convection current and nozzle backflow elimination liquid fluctuation aspect, not only can reduce to a certain extent low frequency pressure nonuniformity value, especially be apparent that, will make high-frequency pressure inequality degree value reduce significantly, but structurally have certain defect, versatility is poor, difficult design.
Model utility content
For addressing the above problem, the utility model provides a kind of vibration damping equipment of diaphragm pump outlet conduit, and it can prevent that outlet conduit is impaired.
For achieving the above object, the vibration damping equipment of diaphragm pump outlet conduit of the present utility model, comprise spacer ring, described spacer ring both sides are respectively arranged with the first elastic plate and the second elastic plate, between described spacer ring and described the first elastic plate and described the second elastic plate, are surrounded by pulsation absorption zone;
Described the first elastic plate is provided with the first housing away from a side of described spacer ring, and described the second elastic plate is provided with the second housing away from a side of described spacer ring;
In described the first housing, offer the first through hole, in described the second housing, offer the second through hole, on described the first elastic plate, offer the first damping hole that is communicated with described the first through hole and described pulsation absorption zone, on described the second elastic plate, offer the second damping hole that is communicated with described the second through hole and described pulsation absorption zone.
Preferably, described the first elastic plate and described the second elastic plate are rubber plate.
Preferably, described the first through hole and described the second through hole include near the first cylindrical portion of described spacer ring one side, are less than the second cylindrical portion of described the first cylindrical portion away from described spacer ring one side and diameter, and conical section between described the first cylindrical portion and described the second cylindrical portion, for the two is connected.
Preferably, described the first damping hole and described the second damping hole shift to install.
Preferably, the diameter ratio of the diameter of described the first cylindrical portion and described the second cylindrical portion is at least 2:1.
Preferably, described the first housing and described the second housing are two ends and are provided with the reducer fitting of flange, and the miner diameter end of described reducer fitting docks with described diaphragm pump outlet conduit by described flange.
The vibration damping equipment of diaphragm pump outlet conduit of the present utility model, has following beneficial effect:
(1) adopt two damping hole structures, although lose a part of pressure drop, played well the effect of throttling, buffering and vibrationproof, regime flow;
(2) adopt two elastic plate structures, two elastic plates and spacer ring surround the absorption zone of pulsing, a buffer area without external pressure source, be equivalent to a spring with pooling feature, without pressure regulation and there is adaptive ability, Young's modulus is with diaphragm pump change in pressure, absorption pressure pulsation, alleviates mechanical vibration;
(3) each several part of this device can be selected standard piece, therefore, simple in structure, is easy to installation and maintenance.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the vibration damping equipment of diaphragm pump outlet conduit of the present utility model;
Fig. 2 is the structural representation of spacer ring in Fig. 1;
Fig. 3 is the structural representation of the first elastic plate in Fig. 1.
Embodiment
Below, with reference to accompanying drawing, structure of the present utility model and working principle etc. are further described.
Referring to Fig. 1-3, the vibration damping equipment of diaphragm pump outlet conduit of the present utility model, is connected with the outlet conduit (not indicating in figure) of diaphragm pump, so that the vibration of absorbing septum pump discharge pipeline.This vibration damping equipment comprises spacer ring 1, spacer ring 1 both sides are respectively arranged with the first elastic plate 2 and the second elastic plate 3, between spacer ring 1 and the first elastic plate 2 and the second elastic plate 3, be surrounded by pulsation absorption zone 9, spacer ring 1 axially should there is certain thickness, to form pulsation absorption zone 9, this pulsation absorption zone 9 is configured to the groundwork region of this vibration damping equipment.
For easy to process, the structure of the first housing 4 and the second housing 5 and measure-alike.The first elastic plate 2 is also all identical with structure and the size of the second elastic plate 3, and in the present embodiment, the first elastic plate 2 and the second elastic plate 3 are plectane, and being positioned at the first elastic plate 2 is the circle that diameter is identical with the damping hole on the second elastic plate 3.
The first elastic plate 2 is provided with the first housing 4 away from a side of spacer ring 1, the second elastic plate 3 is provided with the second housing 5 away from a side of spacer ring 1, this vibration damping equipment can be serially connected with to the outlet conduit of diaphragm pump by means of the first housing 4 and the second housing 5, so that the vibration of absorption fluids.
In the first housing 4, offer in the first through hole 6, the second housings 5 and offer the second through hole 7, this through hole cross section is preferably circle, and the aperture ratio of this through hole is larger, is formed as a chamber.On the first elastic plate 2, offer the second damping hole 301 that offers connection the second through hole 7 and pulsation absorption zone 9 on the first damping hole 201, the second elastic plates 3 that are communicated with the first through hole 6 and pulsation absorption zone 9.The first through hole 6 is communicated with pulsation absorption zone 9 by the first damping hole 201, and the second through hole 7 is communicated with pulsation absorption zone 9 by the second damping hole 301, to can realize fluid flowing in this device.
The first elastic plate 2 and the second elastic plate 3 can adopt the elastic material of existing many routines to make, and in the utility model, the first elastic plate 2 and the second elastic plate 3 are rubber plate.
The first cylindrical portion 10(cross section that the first through hole 6 and the second through hole 7 include near spacer ring 1 one sides is circular straight hole) and away from the second cylindrical portion 30 of spacer ring 1 one sides, the diameter of the second cylindrical portion 30 is less than the diameter of the first cylindrical portion 10, between the first cylindrical portion 10 and the second cylindrical portion 30, be that this conical section 20 is dwindled and forms gradually to the second cylindrical portion 30 sizes by the first cylindrical portion 10 for being connected the conical section 20 of the two.Preferably the diameter of the first cylindrical portion 10 is identical with the aperture of spacer ring 1, and second diameter of cylindrical portion 30 is identical with the aperture of outlet conduit.This structure forms larger pulsation absorption zone 9 in the middle of vibration damping equipment, has effectively guaranteed the shock absorption of vibration damping equipment.
The quantity of damping hole can arrange as required and specifically, and in the utility model, the quantity of damping hole is one.For obtaining good shock absorption, the first elastic plate 2 and the second elastic plate 3 are when mounted, should make the first damping hole 201 and the second damping hole 301 be staggered, specifically can select multiple angles, the pulsation effect obtaining in the time that the two angle staggering is larger is better, is preferably 180 degree, as shown in fig. 1, the first damping hole 201 is positioned at the upside of pulsation absorption zone 9, and the second damping hole 301 is positioned at the downside of pulsation absorption zone 9.
For convenience of connecting, the first housing 4 in the present embodiment and the second housing 5 all adopt the reducer fitting (not indicating in figure) of the frustoconic shape shown in Fig. 1, the two ends of reducer fitting are provided with flange (not indicating in figure), and the miner diameter end of reducer fitting docks with diaphragm pump outlet conduit by flange.Reducer fitting and flange are standard piece, therefore select conveniently.The inner chamber of reducer fitting is equivalent to conical section 20, and the through hole of the flange that the bigger diameter end of reducer fitting connects is equivalent to the first cylindrical portion 10, and the through hole of the flange that the miner diameter end of reducer fitting connects is equivalent to the second cylindrical portion 30.Spacer ring 1 is circular, along the circumferential direction be provided with multiple the first attachment holes 101, the first elastic plate 2 and the second elastic plate 3 are along the circumferential direction provided with multiple and the first attachment hole 101 the second attachment hole 202 one to one, multiple bolts 8 of along the circumferential direction arranging through the flange of reducer fitting bigger diameter end and the first attachment hole 101, the second attachment hole 202 to the first housing 4, the first elastic plate 2, spacer ring 1, the second elastic plate 3 and the second housing 5 are interconnected and fixed.
In the time that the size of each parts meets following the relation, the utility model can obtain better effectiveness in vibration suppression:
The diameter ratio of the diameter of the second cylindrical portion 30 and the first cylindrical portion 10: D1/D2≤0.5;
The diameter ratio of the diameter of the first damping hole 201 and the first cylindrical portion 10: D3/D2=0.3;
The diameter ratio of the throw of eccentric of the first damping hole 201 and the first cylindrical portion 10: b/D2=0.25;
The diameter ratio of the thickness of the first elastic plate 2 and the first damping hole 201: c/D3≤0.2;
The diameter ratio of the thickness of the axial direction of spacer ring 1 and the first damping hole 201: a/D3=1.
When use, flowed in the first through hole 6 of this vibration damping equipment by the fluid of diaphragm pump pressurization output from the outlet conduit of diaphragm pump, first damping hole 201 of fluid on the first elastic plate 2 flows into pulsation absorption zone 9.In pulsation absorption zone 9, due to the reaction force of the second elastic plate 3, the fluid pulsation of fluid is absorbed.Meanwhile, due to the effect of the first damping hole 201 and the second damping hole 301, the pressure of fluid reduces gradually, and then the mechanical vibration of outlet conduit are reduced.
Above, be only schematic description of the present utility model, it will be recognized by those skilled in the art that and do not departing from the basis of working principle of the present utility model, can make multiple improvement to the utility model, this all belongs to protection domain of the present utility model.
Claims (6)
1. the vibration damping equipment of a diaphragm pump outlet conduit, it is characterized in that, comprise spacer ring, described spacer ring both sides are respectively arranged with the first elastic plate and the second elastic plate, between described spacer ring and described the first elastic plate and described the second elastic plate, are surrounded by pulsation absorption zone;
Described the first elastic plate is provided with the first housing away from a side of described spacer ring, and described the second elastic plate is provided with the second housing away from a side of described spacer ring;
In described the first housing, offer the first through hole, in described the second housing, offer the second through hole, on described the first elastic plate, offer the first damping hole that is communicated with described the first through hole and described pulsation absorption zone, on described the second elastic plate, offer the second damping hole that is communicated with described the second through hole and described pulsation absorption zone.
2. the vibration damping equipment of diaphragm pump outlet conduit as claimed in claim 1, is characterized in that, described the first elastic plate and described the second elastic plate are rubber plate.
3. the vibration damping equipment of diaphragm pump outlet conduit as claimed in claim 1 or 2, it is characterized in that, described the first through hole and described the second through hole include near the first cylindrical portion of described spacer ring one side, are less than the second cylindrical portion of described the first cylindrical portion away from described spacer ring one side and diameter, and conical section between described the first cylindrical portion and described the second cylindrical portion, for the two is connected.
4. the vibration damping equipment of diaphragm pump outlet conduit as claimed in claim 1, is characterized in that, described the first damping hole and described the second damping hole shift to install.
5. the vibration damping equipment of diaphragm pump outlet conduit as claimed in claim 3, is characterized in that, the diameter ratio of the diameter of described the first cylindrical portion and described the second cylindrical portion is at least 2:1.
6. the vibration damping equipment of diaphragm pump outlet conduit as claimed in claim 1, it is characterized in that, described the first housing and described the second housing are two ends and are provided with the reducer fitting of flange, and the miner diameter end of described reducer fitting docks with described diaphragm pump outlet conduit by described flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669426.7U CN203627185U (en) | 2013-10-28 | 2013-10-28 | Vibration reduction device for diaphragm pump outlet pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669426.7U CN203627185U (en) | 2013-10-28 | 2013-10-28 | Vibration reduction device for diaphragm pump outlet pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627185U true CN203627185U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320669426.7U Expired - Lifetime CN203627185U (en) | 2013-10-28 | 2013-10-28 | Vibration reduction device for diaphragm pump outlet pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627185U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776014A (en) * | 2015-04-17 | 2015-07-15 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and membrane pump assembly of water purifier |
| CN104776015A (en) * | 2015-04-17 | 2015-07-15 | 佛山市顺德区美的饮水机制造有限公司 | Damping device for water outlet end of diaphragm pump of water purifying machine |
| CN110905866A (en) * | 2019-11-08 | 2020-03-24 | 陕西航天动力高科技股份有限公司 | Single buffer at outlet of diaphragm pump |
| CN112664708A (en) * | 2020-12-17 | 2021-04-16 | 杭州齐腾智能科技有限公司 | Quick-connection valve body structure for stabilizing water flow |
-
2013
- 2013-10-28 CN CN201320669426.7U patent/CN203627185U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776014A (en) * | 2015-04-17 | 2015-07-15 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and membrane pump assembly of water purifier |
| CN104776015A (en) * | 2015-04-17 | 2015-07-15 | 佛山市顺德区美的饮水机制造有限公司 | Damping device for water outlet end of diaphragm pump of water purifying machine |
| CN110905866A (en) * | 2019-11-08 | 2020-03-24 | 陕西航天动力高科技股份有限公司 | Single buffer at outlet of diaphragm pump |
| CN110905866B (en) * | 2019-11-08 | 2021-09-28 | 陕西航天动力高科技股份有限公司 | Single buffer at outlet of diaphragm pump |
| CN112664708A (en) * | 2020-12-17 | 2021-04-16 | 杭州齐腾智能科技有限公司 | Quick-connection valve body structure for stabilizing water flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |