CN206530461U - The high pressure resistant spacing diaphragm metering pump of repairing - Google Patents
The high pressure resistant spacing diaphragm metering pump of repairing Download PDFInfo
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- CN206530461U CN206530461U CN201720203316.XU CN201720203316U CN206530461U CN 206530461 U CN206530461 U CN 206530461U CN 201720203316 U CN201720203316 U CN 201720203316U CN 206530461 U CN206530461 U CN 206530461U
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Abstract
The utility model belongs to metering pump technical field, the specifically related to high pressure resistant spacing diaphragm metering pump of repairing, including hydraulic cylinder, the hydraulic cylinder is connected with piston, hydraulic cylinder is provided with diaphragm with the piston opposite side, it is that there are hydraulic cavities inside hydraulic cylinder between the piston and diaphragm, the hydraulic cavities bottom is provided with limit valve, the limit valve is connected with Fill valve, the Fill valve is installed on hydraulic cylinder, the hydraulic cylinder correspondence diaphragm side is connected with pump head, the pump head correspondence diaphragm arrangement has pump head protective plate, pump head is also correspondingly arranged on inlet valve, dump valve.The utility model effectively prevent diaphragm damage, make diaphragm metering pump can be in long-time steady operation under hyperbaric environment by setting pump head protective plate and limit valve.
Description
Technical field
The utility model belongs to metering pump technical field, and in particular to the high pressure resistant spacing diaphragm metering pump of repairing.
Background technology
Measuring pump（Metering pump）Also referred to as constant displacement pump or proportioning pump.It is various strict that measuring pump is that one kind can be met
Technological process need, flow can in the range of 0-100% step-less adjustment, for conveying liquid（Particularly corrosive liquids）
A kind of special displacement pump.
Measuring pump is one kind of fluid conveying machine, and its outstanding feature is can to keep the steady flow unrelated with discharge pressure
Amount.The function that can complete to convey, measure and adjust simultaneously using measuring pump, so as to simplify the technological process of production.Use many
Measuring pump, several media can be inputted mixed in technological process by actual ratio.Due to the protrusion of its own, measuring pump
Nowadays it has been widely used in each industrial circle such as petrochemical industry, pharmacy, food.
Measuring pump can be divided into according to the difference of excessively stream part（1）Plunger, piston type；（2）Mechanical diaphragm type；（3）Hydraulic pressure every
Membrane type.
At present, diaphragm metering pump gradually replaces plunger type metering pump to turn into the trend of development.But typically recognize in the industry
Below 20Mpa operating modes are applicable for nonmetallic diaphragm, the diaphragm of hyperbaric environment lower diaphragm plate formula measuring pump is easily damaged, as membrane pump
The bottleneck developed to high pressure operating mode.Simultaneously as the Fill valve of diaphragm metering pump does not have stopping means, under hyperbaric environment
Easily there is supplement hydraulic oil phenomenon by mistake, cause diaphragm to damage.Therefore in order that diaphragm metering pump can be under hyperbaric environment
Long-time stable works, it is necessary to be improved research and development to its structure.
Utility model content
It is easily damaged to solve general diaphragm metering pump diaphragm under hyperbaric environment, hydraulic oil supplement by mistake easily occurs
The problem of causing diaphragm breakage, the utility model provides the spacing diaphragm metering pump of high pressure resistant repairing.
The high pressure resistant spacing diaphragm metering pump of repairing, including hydraulic cylinder, the hydraulic cylinder are connected with piston, hydraulic cylinder
The piston opposite side is provided with diaphragm, is that there are hydraulic cavities inside hydraulic cylinder between the piston and diaphragm, it is described
Hydraulic cavities bottom is provided with limit valve, and the limit valve is connected with Fill valve, and the Fill valve is installed on hydraulic cylinder, described
Hydraulic cylinder correspondence diaphragm side is connected with pump head, and the pump head correspondence diaphragm arrangement has pump head protective plate, and pump head is also corresponded to and set
It is equipped with inlet valve, dump valve.
Further, correspondence pump head protective plate is provided with mounting groove on the pump head, and pump head protective plate is installed on the peace
In tankage.
Further, it is provided with cuticula spring in the mounting groove.
Further, a dielectric cavity is formed between the pump head and diaphragm.
Further, its internal correspondence inlet valve, dump valve and pump head protective plate of the pump head are provided with medium channel.
Further, multiple pod apertures, the pod apertures connection dielectric cavity and medium channel are provided with the mounting groove.
Further, automatic exhaust steam valve is provided with the hydraulic cylinder, the automatic exhaust steam valve connects hydraulic cavities.
Further, safety valve is provided with the hydraulic cylinder, the safety valve connects hydraulic cavities.
Further, the repairing action of the Fill valve is controlled by limit valve.
The utility model has the advantage of：1st, hydraulic cavities side is provided with limit valve at diaphragm, only when diaphragm backward
When moving to the extreme position of setting limit valve can just be opened, it is to avoid the situation of hydraulic oil supplement by mistake occurs.
2nd, correspondence diaphragm arrangement pump head protective plate, and pump head protective plate is moved in diaphragm using the active force of cuticula spring
When all the time support live diaphragm, diaphragm has been effectively ensured without damage under hyperbaric environment.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial schematic diagram of the utility model limit valve and Fill valve.
Accompanying drawing is identified：
1- hydraulic cylinders, 2- pistons, 3- diaphragms, 4- hydraulic cavities, 5- limit valves, 6- Fill valves, 7- pump heads, 8- pump head cuticula
Plate, 9- inlet valves, 10- dump valves, 11- mounting grooves, 12- cuticula springs, 13- dielectric cavities, 14- medium channels, 15- pod apertures,
16- automatic exhaust steam valves, 17- safety valves.
Embodiment
It is easily damaged to solve general diaphragm metering pump diaphragm under hyperbaric environment, hydraulic oil supplement by mistake easily occurs
The problem of causing diaphragm breakage, the utility model provides the spacing diaphragm metering pump of high pressure resistant repairing.
Make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment, it is clear that described
Embodiment be one of embodiment of the present utility model, rather than whole embodiment.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art obtain under the premise of creative work is not made is belonged to
The scope of the utility model protection.
The spacing diaphragm metering pump of high pressure resistant repairing as depicted in figs. 1 and 2, including hydraulic cylinder 1, the hydraulic cylinder 1
Piston 2 is connected with, hydraulic cylinder 1 is provided with diaphragm 3 with the opposite side of piston 2, is liquid between the piston 2 and diaphragm 3
The inside of cylinder pressure body 1 has hydraulic cavities 4, and the bottom of hydraulic cavities 4 is provided with limit valve 5, and the limit valve 5 is connected with Fill valve 6,
The Fill valve 6 is installed on hydraulic cylinder 1, and the correspondence diaphragm 3 of hydraulic cylinder 1 side is connected with pump head 7, the pump head 7
Correspondence diaphragm 3 is provided with pump head protective plate 8, and pump head 7 is also correspondingly arranged on inlet valve 9, dump valve 10.It is living when measuring pump work
Plug 2 is moved forward and backward, and because the bottom of hydraulic cavities 4 is provided with limit valve 5, diaphragm 3 only touches limit valve 5, while hydraulic cavities 4
Interior hydraulic pressure can start repairing when being less than the hydraulic pressure of the offer of Fill valve 6, effectively prevent diaphragm 3 and damage.Simultaneously because hydraulic pressure
Effect diaphragm 3 also follow up and move forward and backward, inlet valve 9 and dump valve 10 are alternately opened, and carry out medium extraction action, and diaphragm 3 is moved
Support lives diaphragm 3 to pump head protective plate 8 all the time when dynamic, protects diaphragm 3 not by affected by high.
Further, correspondence pump head protective plate 8 is provided with mounting groove 11 on the pump head 7, and pump head protective plate 8 is installed on institute
State in mounting groove 11.Mounting groove 11 is correspondingly arranged in middle position, pump head protective plate 8 is uniformly born diaphragm 3.
Further, it is provided with cuticula spring 12 in the mounting groove 11.Cuticula spring 12, which provides reaction force, makes pump head
Protective plate 8 is close to diaphragm 3 all the time.
Further, a dielectric cavity 13 is formed between the pump head 7 and diaphragm 3.Dielectric cavity 13 ensure that inside measuring pump
With enough space pumped (conveying) mediums.
Further, its internal correspondence inlet valve 9 of the pump head 7, dump valve 10 are provided with medium with pump head protective plate 8 and led to
Road 14.Medium channel 14 makes medium smooth by measuring pump.
Further, be provided with multiple pod apertures 15 on the mounting groove 11, the connection dielectric cavity 13 of pod apertures 15 with
Medium channel 14.Because pod apertures 15 are arranged on mounting groove 11, when diaphragm 3 is moved to outlet end, pump head protective plate 8 is close to
Mounting groove 11, clogs pod apertures 15, and the end of diaphragm 3 forms a smooth continuous curved surface, it is ensured that diaphragm 3 under hyperbaric environment not
It is damaged.
Further, automatic exhaust steam valve 16 is provided with the hydraulic cylinder 1, the automatic exhaust steam valve 16 connects hydraulic cavities
4.Automatic exhaust steam valve 16 can be automatically drained out the gas in pump, it is ensured that measuring pump normal work.
Further, safety valve 17 is provided with the hydraulic cylinder 1, the safety valve 17 connects hydraulic cavities 4.Safety valve
17 can discharge hydraulic oil when hydraulic pressure is exceeded in measuring pump, prevent internal damage.
Further, the repairing action of the Fill valve 6 is controlled by limit valve 5.Only when diaphragm 3 is moved to limit position
When putting pressure limit valve 5, the side of Fill valve 6 can connect with hydraulic cavities 4, effectively prevent hydraulic oil and supplement by mistake and diaphragm 3 is caused
Damage.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations, i.e., it is all to make equivalent changes and modifications according to the application scope,
All should still it belong in the utility model covering scope.
Claims (9)
1. the high pressure resistant spacing diaphragm metering pump of repairing, including hydraulic cylinder, it is characterised in that the hydraulic cylinder is connected with work
Plug, hydraulic cylinder is provided with diaphragm with the piston opposite side, is to have inside hydraulic cylinder between the piston and diaphragm
Hydraulic cavities, the hydraulic cavities bottom is provided with limit valve, and the limit valve is connected with Fill valve, and the Fill valve is installed on hydraulic pressure
On cylinder body, the hydraulic cylinder correspondence diaphragm side is connected with pump head, and the pump head correspondence diaphragm arrangement has pump head protective plate, pump
Head is also correspondingly arranged on inlet valve, dump valve.
2. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that respective pump on the pump head
Head protective plate is provided with mounting groove, and pump head protective plate is installed in the mounting groove.
3. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 2, it is characterised in that set in the mounting groove
There is cuticula spring.
4. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that the pump head and diaphragm it
Between form a dielectric cavity.
5. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that its inside of the pump head is right
Inlet valve, dump valve and pump head protective plate is answered to be provided with medium channel.
6. according to any described spacing diaphragm metering pump of high pressure resistant repairing of claim 2,4,5, it is characterised in that the installation
Multiple pod apertures, the pod apertures connection dielectric cavity and medium channel are provided with groove.
7. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that set on the hydraulic cylinder
Automatic exhaust steam valve is equipped with, the automatic exhaust steam valve connects hydraulic cavities.
8. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that set on the hydraulic cylinder
Safety valve is equipped with, the safety valve connects hydraulic cavities.
9. the spacing diaphragm metering pump of high pressure resistant repairing according to claim 1, it is characterised in that the repairing of the Fill valve
Action is controlled by limit valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203316.XU CN206530461U (en) | 2017-03-03 | 2017-03-03 | The high pressure resistant spacing diaphragm metering pump of repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203316.XU CN206530461U (en) | 2017-03-03 | 2017-03-03 | The high pressure resistant spacing diaphragm metering pump of repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530461U true CN206530461U (en) | 2017-09-29 |
Family
ID=59915711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720203316.XU Active CN206530461U (en) | 2017-03-03 | 2017-03-03 | The high pressure resistant spacing diaphragm metering pump of repairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206530461U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806406A (en) * | 2017-10-20 | 2018-03-16 | 项达章 | A kind of Hydraulic Diaphragm Metering Pump for pressing spacing repairing |
| CN112664437A (en) * | 2020-12-21 | 2021-04-16 | 戴勒普(杭州)流体控制科技有限公司 | Double-channel quick oil supplementing structure |
| CN115750327A (en) * | 2023-02-10 | 2023-03-07 | 南通翔龙工业科技有限公司 | Electromagnetic metering pump |
-
2017
- 2017-03-03 CN CN201720203316.XU patent/CN206530461U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806406A (en) * | 2017-10-20 | 2018-03-16 | 项达章 | A kind of Hydraulic Diaphragm Metering Pump for pressing spacing repairing |
| CN112664437A (en) * | 2020-12-21 | 2021-04-16 | 戴勒普(杭州)流体控制科技有限公司 | Double-channel quick oil supplementing structure |
| CN115750327A (en) * | 2023-02-10 | 2023-03-07 | 南通翔龙工业科技有限公司 | Electromagnetic metering pump |
| CN115750327B (en) * | 2023-02-10 | 2023-10-27 | 南通翔龙工业科技有限公司 | Electromagnetic metering pump |
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