CN204099148U - The ripple damper of ultra micro flow measurement pump - Google Patents
The ripple damper of ultra micro flow measurement pump Download PDFInfo
- Publication number
- CN204099148U CN204099148U CN201420364073.4U CN201420364073U CN204099148U CN 204099148 U CN204099148 U CN 204099148U CN 201420364073 U CN201420364073 U CN 201420364073U CN 204099148 U CN204099148 U CN 204099148U
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- China
- Prior art keywords
- upper cover
- base
- screw socket
- liquid
- assembling screw
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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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- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000010349 pulsation Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a kind of ripple damper of ultra micro flow measurement pump, and comprising: base, described base is provided with the inner chamber that can hold organic solvent; Upper cover, described upper cover is connected with base by multiple bolt; Liquid-inlet joint assembling screw socket and liquid outlet joint assembling screw socket is covered with on described; The sealing plane of upper cover is provided with the annular groove ensureing upper cover and diaphragm seal and fix; Diaphragm, described diaphragm arrangement is between the inner chamber and described upper cover of described base, close the inner chamber of described base, have the cavity flowed for liquid between described diaphragm and described upper cover, liquid-inlet joint assembling screw socket is connected with cavity respectively with liquid outlet joint assembling screw socket.The utility model structure is simple, low cost of manufacture, and reliability is high, overcomes the above-mentioned deficiency of all kinds of damper in prior art, can support the use in addition with metering pump, reduces the pulsation of metering pump, improves stability and precision.
Description
Technical field
The utility model relates to a kind of ripple damper, particularly, relates to a kind of ripple damper of ultra micro flow measurement pump.
Background technique
Metering pump a kind ofly can meet various strict technological process requirement, and flow can realize electrodeless adjustment within the scope of 0-100%, is used for a kind of special displacement pump of conveying liquid.For the metering pump of accurate measurement, usually require the stability of metering pump and precision be no more than ± 1%.Along with modernization industry is towards the development of automation mechanized operation, this situation of far distance automatic controlling, the matching performance of metering pump is strong, adapt to medium (liquid) widely advantage particularly seem outstanding.
Along with popularizing of metering pump, its performance requirement such as transfusion precision, pulsation etc. is also more and more higher.At present, the kind of conventional metering pump is divided into mechanical reciprocating pump, membrane pump, injecting type pump etc., and wherein mechanical reciprocating pump is widely used, and because of its stable performance, Flow-rate adjustment, solvent replacement is easy.Mechanical reciprocating pump can be divided into plunger pump and diaphragm pump two kinds, wherein plunger pump is because can be used in the system of elevated pressures, apply more general compared with other kinds, but there is a problem to be exactly the pulsation that there is liquid, larger pulsation can affect metering pump stability and precision, just needs to adopt ripple damper to reduce pulsation.
Ripple damper is a kind of pressurized container for eliminating liquid pressure pulsations or flow pulsation in pipeline.Stabilized fluid pressure and flow, elimination pipe vibration, protection downstream instrument and the effect such as equipment, increase pump volumetric efficiency can be played.The principle of ripple damper is the elastic performance utilizing object, and because different objects has different elasticity, when liquid-way system pressure increase, elastomeric objects is compressed stored energy simultaneously; When system pressure reduces, elastomeric objects again by the fault offset of storage out, thus reach the object reducing system pressure fluctuation (pulsation).
The ripple damper used in prior art is mainly divided into compressed fluid damper, resonant cavity damper, adjustable spring damper etc., and these different types of ripple dampers mainly exist the problems such as complex structure, manufacture cost is high, reliability is lower.
Model utility content
For defect of the prior art, the purpose of this utility model is to provide a kind of ripple damper of ultra micro flow measurement pump, and its structure is simple, and low cost of manufacture, reliability is high, overcomes the above-mentioned deficiency of all kinds of damper in prior art.
According to an aspect of the present utility model, provide a kind of ripple damper of ultra micro flow measurement pump, it is characterized in that, comprising: base, described base is provided with the inner chamber that can hold organic solvent; Upper cover, described upper cover is connected with base by multiple bolt; Liquid-inlet joint assembling screw socket and liquid outlet joint assembling screw socket is covered with on described; The sealing plane of upper cover is provided with the annular groove ensureing upper cover and diaphragm seal and fix; Diaphragm, described diaphragm arrangement is between the inner chamber and described upper cover of described base, close the inner chamber of described base, have the cavity flowed for liquid between described diaphragm and described upper cover, liquid-inlet joint assembling screw socket is connected with cavity respectively with liquid outlet joint assembling screw socket.
Preferably, the sealing plane of described upper cover is provided with the annular through groove assembling screw socket with described liquid outlet joint and be connected in addition.
Preferably, described upper cover adopts overall structure.
Preferably, described bolt adopts sunk structure.
Preferably, the material of described upper cover and the material of base all adopt corrosion-resistant stainless steel.
Compared with prior art, the utility model has following beneficial effect: the utility model structure is simple, low cost of manufacture, reliability is high, overcome the above-mentioned deficiency of all kinds of damper in prior art, can support the use with metering pump in addition, reduce the pulsation of metering pump, improve stability and precision.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the perspective view of the ripple damper of the utility model ultra micro flow measurement pump.
Fig. 2 is the plane structure schematic diagram of the ripple damper of the utility model ultra micro flow measurement pump.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
As depicted in figs. 1 and 2, the ripple damper of the utility model ultra micro flow measurement pump comprises:
Base 3, described base 3 is provided with the inner chamber 9 that can hold organic solvent 6;
Upper cover 2, described upper cover 2 is connected with base 3 by multiple bolt 1; Described upper cover 2 is provided with liquid-inlet joint assembling screw socket 7 and liquid outlet joint assembling screw socket 8; The sealing plane of upper cover 2 is provided with the annular groove 5 ensureing that upper cover 2 and diaphragm 4 seal and fix;
Diaphragm 4, between the inner chamber 9 that described diaphragm 4 is arranged at described base 3 and described upper cover 2, close the inner chamber of described base, have the cavity flowed for liquid between described diaphragm 4 and described upper cover 2, liquid-inlet joint assembling screw socket 7 is connected with cavity respectively with liquid outlet joint assembling screw socket 8.
Wherein, the sealing plane of upper cover 2 is provided with the annular through groove 10 assembling screw socket with described liquid outlet joint and be connected in addition.
Upper cover 2 adopts overall structure, externally reinforced is not needed to reinforce, adopt annular through groove 10 in addition and manufacture for the cavity integration of flow of fluid, simplified structure, reduce costs, reduce the fluctuation of liquid stream and enhance product performance, annular through groove can carry out water conservancy diversion in addition, liquid is imported to cavity or outlet connection assembling screw socket, prevent liquid from flowing in the cavities not smooth.Upper cover 2 arranges the requirement that many annular grooves 5 realize sealing and fixing diaphragm 4, and structure is simple, because be directly processed to form annular groove 5 upper covering, reduces costs like this and compact structure, does not need to use the elements such as hold-down ring; The utility model adopts the structure of annular groove 5, the direct seal membrane of plane of upper cover can be used, enlarge active surface, reduce pressure suffered by diaphragm, avoid using the abrasive extruding of hold-down ring to diaphragm to cause the easy fracture failure of diaphragm, greatly improve the reliability of this damper.Bolt 1 between upper cover 2 and base 3 adopts sunk structure, can prevent from like this covering formation protruding part upper, keeps the flatness of upper lid surface, easy to use, reduces volume.The material of upper cover 2 and the material of base 3 all adopt corrosion-resistant stainless steel; Diaphragm 4 adopts PEEK (polyetheretherketone, polyether-ether-ketone are called for short PEEK) material to make.Organic solvent 6 is as compressible elastomeric.
The utility model structure is simple, low cost of manufacture, and reliability is high, overcomes the above-mentioned deficiency of all kinds of damper in prior art, can support the use in addition with metering pump, reduces the pulsation of metering pump, improves stability and precision.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (5)
1. a ripple damper for ultra micro flow measurement pump, is characterized in that, comprising:
Base, described base is provided with the inner chamber that can hold organic solvent;
Upper cover, described upper cover is connected with base by multiple bolt; Liquid-inlet joint assembling screw socket and liquid outlet joint assembling screw socket is covered with on described; The sealing plane of upper cover is provided with the annular groove ensureing upper cover and diaphragm seal and fix;
Diaphragm, described diaphragm arrangement is between the inner chamber and described upper cover of described base, close the inner chamber of described base, have the cavity flowed for liquid between described diaphragm and described upper cover, liquid-inlet joint assembling screw socket is connected with cavity respectively with liquid outlet joint assembling screw socket.
2. the ripple damper of ultra micro flow measurement pump according to claim 1, is characterized in that, the sealing plane of described upper cover is provided with the annular through groove assembling screw socket with described liquid outlet joint and be connected in addition.
3. the ripple damper of ultra micro flow measurement pump according to claim 1, is characterized in that, described upper cover adopts overall structure.
4. the ripple damper of ultra micro flow measurement pump according to claim 1, is characterized in that, described bolt adopts sunk structure.
5. the ripple damper of ultra micro flow measurement pump according to claim 1, is characterized in that, the material of described upper cover and the material of base all adopt corrosion-resistant stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364073.4U CN204099148U (en) | 2014-07-02 | 2014-07-02 | The ripple damper of ultra micro flow measurement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364073.4U CN204099148U (en) | 2014-07-02 | 2014-07-02 | The ripple damper of ultra micro flow measurement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099148U true CN204099148U (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420364073.4U Expired - Lifetime CN204099148U (en) | 2014-07-02 | 2014-07-02 | The ripple damper of ultra micro flow measurement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139299A (en) * | 2016-06-28 | 2016-11-23 | 范永建 | A kind of Portable veinous transfusion device |
| CN110425102A (en) * | 2019-08-06 | 2019-11-08 | 大连依利特分析仪器有限公司 | A kind of adjustable infusion pump surging damper |
-
2014
- 2014-07-02 CN CN201420364073.4U patent/CN204099148U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139299A (en) * | 2016-06-28 | 2016-11-23 | 范永建 | A kind of Portable veinous transfusion device |
| CN110425102A (en) * | 2019-08-06 | 2019-11-08 | 大连依利特分析仪器有限公司 | A kind of adjustable infusion pump surging damper |
| CN110425102B (en) * | 2019-08-06 | 2020-12-22 | 大连依利特分析仪器有限公司 | Adjustable infusion pump pulsation damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180227 Address after: 201616 workshop No. 418, No. 6 A District, Chong Nan Road, Songjiang science and Technology Park, Shanghai Patentee after: SHANGHAI SHENGYI PRECISION MACHINERY Co.,Ltd. Address before: 201206 Shanxi Road, Shanghai city Songjiang District town of Kunshan No. 10 room 1 room 1804 Patentee before: SHANGHAI SHENGTUO MEDICAL INSTRUMENT CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Chenggang Inventor before: Zhang Yong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230426 Address after: Room 376, 3rd Floor, No. 3, Lane 1800, Xinsongjiang Road, Songjiang District, Shanghai, June 2012 Patentee after: SHANGHAI SHENGTUO MEDICAL INSTRUMENT CO.,LTD. Address before: Workshop No. 418, Zone A, No. 6 Chongnan Road, Songjiang Science and Technology Park, Shanghai, 2016 Patentee before: SHANGHAI SHENGYI PRECISION MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |
|
| CX01 | Expiry of patent term |