CN202811246U - Metering pump - Google Patents
Metering pump Download PDFInfo
- Publication number
- CN202811246U CN202811246U CN 201220433737 CN201220433737U CN202811246U CN 202811246 U CN202811246 U CN 202811246U CN 201220433737 CN201220433737 CN 201220433737 CN 201220433737 U CN201220433737 U CN 201220433737U CN 202811246 U CN202811246 U CN 202811246U
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- CN
- China
- Prior art keywords
- plunger
- fixed
- metering pump
- hydraulic cylinder
- valve ball
- 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.)
- Expired - Fee Related
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- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A metering pump comprises a pump head, wherein the pump head comprises a plunger piston, fillers and a hydraulic cylinder body, the hydraulic cylinder body is connected with a support frame cover through a hydraulic cylinder support frame, the fillers are arranged between the plunger piston and the hydraulic cylinder body, a liquid stopping ring is arranged on the end portion of the plunger piston, the tail portion of the plunger piston is fixed with a pipe through a limiting sheet, a press plate is fixed outside the pipe, a valve ball is arranged on the limiting sheet and fixed on a discharge valve seat, a valve bush is arranged outside the valve ball, and a hopper is arranged on the support frame cover. The metering pump is simple in structure, good in sealing performance and long in service life.
Description
Technical field
The utility model relates to pump, is specially a kind of metering pump.
Background technique
In producing the Hydrogenated rosin process, need to use metering pump.The pump head parts are one of vitals of metering pump, according to pumped fluid characteristics and applying working condition requirement, this pump head structure is divided into plunger type and diaphragm type, and existing ram type pump head member mainly is comprised of liquid cylinder, plunger, suction and expulsion valve and filler etc., causes easily the filler seepage.The result of seepage so that metering is inaccurate, damages material, befouling environment on the one hand on the other hand.In order to reduce its leakage loss, certainly will to lengthen filler chamber's length increasing the quantity of filler, or add the blue pressure of kilocalorie, so not only so that resistance increases, and accelerated wearing and tearing, make on the contrary and reveal aggravation.Therefore, in actual applications, usually to stipulate the scope of amount of leakage, make it neither excessive, can not be too small, thus the purpose that realizes prolonging filler working life and protection pump.However, in practical operation, should be difficult to grasp and realize, and because will check at any time and adjust the amount of leakage of pump, increase workload, strengthen cost.
The model utility content
The technical problem that the utility model solves is to provide a kind of metering pump, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of metering pump, comprise pump head, described pump head comprises plunger, filler, liquid cylinder, and described liquid cylinder links to each other with bay cover by the fluid cylinder carriage, is provided with described filler between described plunger and the liquid cylinder, the end of described plunger is provided with liquid retaining ring, the afterbody of described plunger is fixed by banking stop and pipe, and described pipe is fixed with pressing plate outward, and described banking stop is provided with valve ball, described valve ball is fixed on the valve seat, and described valve ball is provided with valve pocket outward.
In the utility model, described bay cover is provided with funnel.
Beneficial effect
The utility model is simple in structure, processing ease and favorable sealing property, long service life.
Description of drawings
Fig. 1 is a kind of pump head structure schematic representation of metering pump.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of pump head structure schematic representation of metering pump, a kind of metering pump, comprise pump head, described pump head comprises plunger 8, filler, liquid cylinder, described liquid cylinder links to each other with bay cover 6 by the fluid cylinder carriage, be provided with described filler between described plunger 8 and the liquid cylinder, the end of described plunger is provided with liquid retaining ring 9, the afterbody of described plunger 8 is fixing with pipe 1 by banking stop 3, is fixed with pressing plate 2 outside the described pipe 1, and described banking stop 3 is provided with valve ball 4, described valve ball is fixed on the valve seat, the described valve ball 4 outer valve pockets 5 that are provided with.
In the utility model, described bay cover 6 is provided with funnel 7.
Along with plunger to-and-fro motion in hydraulic cylinder, suction, valve group alternately open and close, liquid is constantly discharged and is sucked, pump forms negative pressure, so that suction valve is opened in the pump head sap cavity in the process that sucks, liquid flows into the cylinder chamber, in discharging stroke, the movement of plunger has increased pressure at liquid, so that liquid is discharged.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model; the technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. metering pump, comprise pump head, described pump head comprises plunger, filler, liquid cylinder, and described liquid cylinder links to each other with bay cover by the fluid cylinder carriage, be provided with described filler between described plunger and the liquid cylinder, the end of described plunger is provided with liquid retaining ring, it is characterized in that, the afterbody of described plunger is fixed by banking stop and pipe, described pipe is fixed with pressing plate outward, described banking stop is provided with valve ball, and described valve ball is fixed on the valve seat, and described valve ball is provided with valve pocket outward.
2. a kind of metering pump according to claim 1 is characterized in that, described bay cover is provided with funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433737 CN202811246U (en) | 2012-08-29 | 2012-08-29 | Metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433737 CN202811246U (en) | 2012-08-29 | 2012-08-29 | Metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811246U true CN202811246U (en) | 2013-03-20 |
Family
ID=47870131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433737 Expired - Fee Related CN202811246U (en) | 2012-08-29 | 2012-08-29 | Metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811246U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615385A (en) * | 2013-11-27 | 2014-03-05 | 北京工业大学 | Detachable plunger piston shoe assembly of swash plate hydraulic pump |
| CN103967733A (en) * | 2014-04-24 | 2014-08-06 | 山东海燕医用材料制造有限公司 | Precision metering ceramic plunger liquid charge pump |
| CN105021498A (en) * | 2015-07-30 | 2015-11-04 | 武汉研润科技发展有限公司 | Trace flow variable plunger type self-sucking pump |
-
2012
- 2012-08-29 CN CN 201220433737 patent/CN202811246U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615385A (en) * | 2013-11-27 | 2014-03-05 | 北京工业大学 | Detachable plunger piston shoe assembly of swash plate hydraulic pump |
| CN103967733A (en) * | 2014-04-24 | 2014-08-06 | 山东海燕医用材料制造有限公司 | Precision metering ceramic plunger liquid charge pump |
| CN105021498A (en) * | 2015-07-30 | 2015-11-04 | 武汉研润科技发展有限公司 | Trace flow variable plunger type self-sucking pump |
| CN105021498B (en) * | 2015-07-30 | 2017-12-19 | 武汉研润科技发展有限公司 | Micro changeable flow plunger type self priming pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140829 |
|
| EXPY | Termination of patent right or utility model |