CN204061119U - A kind of diaphragm metering pump - Google Patents
A kind of diaphragm metering pump Download PDFInfo
- Publication number
- CN204061119U CN204061119U CN201420539522.4U CN201420539522U CN204061119U CN 204061119 U CN204061119 U CN 204061119U CN 201420539522 U CN201420539522 U CN 201420539522U CN 204061119 U CN204061119 U CN 204061119U
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- CN
- China
- Prior art keywords
- bearing
- pump
- pressing plate
- metering pump
- worm gear
- 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)
Abstract
The utility model discloses a kind of diaphragm metering pump that accurately can change flow belonging to metering pump technical field.One end of the pump housing of this metering pump is connected with pressing plate by pump head, pressing plate is connected with compound film sheet with reinforcement plate successively, pump head is provided with one-way valve, the other end of the pump housing is provided with worm gear and is connected with worm gear axle sleeve by flat key, worm gear axle sleeve is connected with connecting rod, eccentric wheel is connected with pressing plate by eccentric main axis, and pressing plate is connected with regulator core, and regulator core is connected with regulator base.The utility model arranges regulator core, one-way valve, the structures such as compound film sheet, can the flow of fine adjustment liquid, adopt cam mechanism, on the whole completely without revealing, can be placed on medicine groove or pipeline, also can also can quantitatively export by adjust flux arbitrarily at pump operation or when stopping.
Description
Technical field
The utility model belongs to metering pump technical field, is specifically related to a kind of diaphragm metering pump that accurately can change flow.
Background technique
Diaphragm metering pump mainly Reciprocating Metering Pump, the polytype such as single cylinder, twin-tub, three cylinders can be divided into by the cylinder number of pump.The pump of this type can be widely used in oil, chemical industry, weaving, food, papermaking, atomic energy technology, power plant, plastics, pharmacy, water factory, the industry such as environmental protection and the departments of science and technology, being used for accurate quantification in pressurization or normal pressure container and pipeline carries not solids-laden fluid, from step-less adjustment within the scope of 0-100% when its flow can be started shooting (or determining machine), simplex pump is applicable to the occasion of single liquid, twin cylinder pump can be made dosing pump and use, also can in parallelly use, triplex pump can be used as three dosing pumps and uses, also can three cylinders in parallel, to reach comparatively huge discharge, increase the pulse frequency of liquid, impel that liquid is smooth and easy continuously to add.
Although the flow of existing diaphragm metering pump energy regulates liquid, the precision regulated is not high, and the chemical industry high in required precision can not well be applied.
Model utility content
The utility model, for the defect of prior art, proposes a kind of diaphragm metering pump that accurately can change flow.
A kind of diaphragm metering pump, worm set 2 is connected by resilient key 17 with worm screw 3, motor 1 is connected with the pump housing 5 with clutch shaft bearing 4 by worm screw 3, the described pump housing 5 is provided with oiling cup 6, one end of the described pump housing 5 connects 7 by pump head and is connected with the first pressing plate 8, first pressing plate 8 is connected with compound film sheet 12 with reinforcement plate 11 successively, compound film sheet 12 is connected with pump head 13, pump head 13 is provided with one-way valve 14, one-way valve 14 is provided with adapter cap 15, the other end of the described pump housing 5 is also provided with the second bearing 16, second bearing 16 is connected with worm gear 18, worm gear 18 is connected with worm gear axle sleeve 20 by flat key 19, worm gear axle sleeve 20 is connected with connecting rod 21, connecting rod 21 is connected with the 3rd bearing 22, 3rd bearing 22 is connected with eccentric wheel 23, eccentric wheel 23 is connected with the second pressing plate 25 by eccentric main axis 24, second pressing plate 25 is connected with regulator core 26, regulator core 26 is connected with regulator base 27, the end of regulator base 27 is provided with adjusting handle 28.
Described clutch shaft bearing 4 is tapered roller bearing.
The first composite bearing 9 and the first oil sealing 10 is provided with in described pump head connection 7.
Described worm set 2 is connected with worm screw 3 and is provided with resilient key 17.
Described regulator base 27 is provided with the second oil sealing 29.
Described connecting rod 21 is provided with linkage connector 30, and linkage connector 30 is connected with connecting rod 21 with pin 32 by the second composite bearing 31.
Described regulator base 27 is provided with lock handle 33, and lock handle 33 bottom is provided with ball 34.
The beneficial effects of the utility model: the utility model arranges regulator core, one-way valve, the structures such as compound film sheet, can the flow of fine adjustment liquid, adopt cam mechanism, on the whole completely without revealing, can be placed on medicine groove or pipeline, also can also can quantitatively export by adjust flux arbitrarily at pump operation or when stopping.
Accompanying drawing explanation
Fig. 1 is the utility model diaphragm metering pump assembling schematic diagram;
In figure, 1-motor, 2-worm set, 3-worm screw, 4-clutch shaft bearing, the 5-pump housing, 6-oiling cup, 7-pump head connects, 8-first pressing plate, 9-first composite bearing, 10-first oil sealing, 11-reinforcement plate, 12-compound film sheet, 13-pump head, 14-one-way valve, 15-adapter cap, 16-second bearing, 17-resilient key, 18-worm gear, 19-flat key, 20-worm gear axle sleeve, 21-connecting rod, 22-the 3rd bearing, 23-eccentric wheel, 24-eccentric main axis, 25-second pressing plate, 26-regulator core, 27-regulator base, 28-adjusting handle, 29-second oil sealing, 30-linkage connector, 31-second composite bearing, 32-pin, 33-lock handle, 34-ball.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
A kind of diaphragm metering pump, as shown in Figure 1, worm set 2 is connected with worm screw 3, motor 1 is connected with the pump housing 5 with clutch shaft bearing 4 by worm screw 3, the described pump housing 5 is provided with oiling cup 6, one end of the described pump housing 5 connects 7 by pump head and is connected with the first pressing plate 8, first pressing plate 8 is connected with compound film sheet 12 with reinforcement plate 11 successively, compound film sheet 12 is connected with pump head 13, pump head 13 is provided with one-way valve 14, one-way valve 14 is provided with adapter cap 15, the other end of the described pump housing 5 is also provided with the second bearing 16, second bearing 16 is connected with worm gear 18, worm gear 18 is connected with worm gear axle sleeve 20 by flat key 19, worm gear axle sleeve 20 is connected with connecting rod 21, connecting rod 21 is connected with the 3rd bearing 22, 3rd bearing 22 is connected with eccentric wheel 23, eccentric wheel 23 is connected with the second pressing plate 25 by eccentric main axis 24, second pressing plate 25 is connected with regulator core 26, regulator core 26 is connected with regulator base 27, the end of regulator base 27 is provided with adjusting handle 28.
Described clutch shaft bearing 4 is tapered roller bearing.
The first composite bearing 9 and the first oil sealing 10 is provided with in described pump head connection 7.
Described worm set 2 is connected with worm screw 3 and is provided with resilient key 17.
Described regulator base 27 is provided with the second oil sealing 29.
Described connecting rod 21 is provided with linkage connector 30, and linkage connector 30 is connected with connecting rod 21 with pin 32 by the second composite bearing 31.
Described regulator base 27 is provided with lock handle 33, and lock handle 33 bottom is provided with ball 34.
The metering pump working principle of the present embodiment: motor drives worm screw through coupling and makes main shaft and eccentric crop rotation rotation motion by worm gear reducer, drives tappet reciprocating in guide by eccentric wheel.Together with diaphragm, make to form vacuum gradually in pump chamber by the effect of one-way valve, suction valve is opened, and sucks liquid; When move forward by dead point for diaphragm, now suction valve closure, expulsion valve is opened, and liquid is discharged under the promotion of diaphragm.Pressure, quantitative discharge liquid is had continuously by regulating back and forth being formed along also working of certain stroke at pump.Flow-adjusting characteristics: the Flow-rate adjustment of pump is by rotating adjusting handle, drives adjusting screw rod to rotate, thus changes the spacing between tappet, change the size that diaphragm shift motion in pump chamber decides flow.The scale of adjusting handle determines diaphragm stroke, and accurate rate is 95%.Flow repeatability precision can reach 1%.
Claims (7)
1. a diaphragm metering pump, it is characterized in that, worm set (2) is connected by resilient key (17) with worm screw (3), motor (1) is connected with the pump housing (5) with clutch shaft bearing (4) by worm screw (3), the described pump housing (5) is provided with oiling cup (6), one end of the described pump housing (5) connects (7) by pump head and is connected with the first pressing plate (8), first pressing plate (8) is connected with compound film sheet (12) with reinforcement plate (11) successively, compound film sheet (12) is connected with pump head (13), pump head (13) is provided with one-way valve (14), one-way valve (14) is provided with adapter cap (15), the other end of the described pump housing (5) is also provided with the second bearing (16), second bearing (16) is connected with worm gear (18), worm gear (18) is connected with worm gear axle sleeve (20) by flat key (19), worm gear axle sleeve (20) is connected with connecting rod (21), connecting rod (21) is connected with the 3rd bearing (22), 3rd bearing (22) is connected with eccentric wheel (23), eccentric wheel (23) is connected with the second pressing plate (25) by eccentric main axis (24), second pressing plate (25) is connected with regulator core (26), regulator core (26) is connected with regulator base (27), the end of regulator base (27) is provided with adjusting handle (28).
2. a kind of diaphragm metering pump according to claim 1, it is characterized in that, described clutch shaft bearing (4) is tapered roller bearing.
3. a kind of diaphragm metering pump according to claim 1, is characterized in that, described pump head connects in (7) and is provided with the first composite bearing (9) and the first oil sealing (10).
4. a kind of diaphragm metering pump according to claim 1, is characterized in that, described worm set (2) is connected with worm screw (3) and is provided with resilient key (17).
5. a kind of diaphragm metering pump according to claim 1, it is characterized in that, described regulator base (27) is provided with the second oil sealing (29).
6. a kind of diaphragm metering pump according to claim 1, it is characterized in that, described connecting rod (21) is provided with linkage connector (30), and linkage connector (30) is connected with connecting rod (21) with pin (32) by the second composite bearing (31).
7. a kind of diaphragm metering pump according to claim 1, it is characterized in that, described regulator base (27) is provided with lock handle (33), and lock handle (33) bottom is provided with ball (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539522.4U CN204061119U (en) | 2014-09-19 | 2014-09-19 | A kind of diaphragm metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539522.4U CN204061119U (en) | 2014-09-19 | 2014-09-19 | A kind of diaphragm metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061119U true CN204061119U (en) | 2014-12-31 |
Family
ID=52202648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539522.4U Expired - Fee Related CN204061119U (en) | 2014-09-19 | 2014-09-19 | A kind of diaphragm metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061119U (en) |
-
2014
- 2014-09-19 CN CN201420539522.4U patent/CN204061119U/en not_active Expired - Fee Related
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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: 20141231 Termination date: 20170919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |