CN102261329A - Stroke regulation mechanism for metering pump - Google Patents
Stroke regulation mechanism for metering pump Download PDFInfo
- Publication number
- CN102261329A CN102261329A CN2010101848749A CN201010184874A CN102261329A CN 102261329 A CN102261329 A CN 102261329A CN 2010101848749 A CN2010101848749 A CN 2010101848749A CN 201010184874 A CN201010184874 A CN 201010184874A CN 102261329 A CN102261329 A CN 102261329A
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- CN
- China
- Prior art keywords
- push rod
- rod shaft
- swivel nut
- metering pump
- controlling mechanism
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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.)
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Abstract
The invention relates to a stroke regulation mechanism for a metering pump. The regulation mechanism comprises a regulation handwheel, a hollow swivel nut, a push rod shaft, a worm wheel, an inclined block, a sliding block, a crank pin, a rotary sleeve, a connecting rod and a guide shaft, wherein the regulation handwheel is connected with the front part of the hollow swivel nut through a bolt; the front part of the push rod shaft is arranged in the hollow swivel nut and the rear part of the push rod shaft is arranged in the worm wheel; the inclined block is arranged on the tail part of the push rod shaft; the sliding block is arranged in a guide slot of the worm wheel; the sliding block is matched and connected with the inclined block; the crank pin is arranged on the sliding block; the crank pin is connected with the rotary sleeve; the connecting rod is sleeved on the outer side of the rotary sleeve; and the guide shaft is matched and connected with the rotary sleeve. Compared with the prior art, the stroke regulation mechanism has high overload resistance, high linearity performance and reproduction performance, high precision, a simple structure, and is good in a machining process and low in manufacturing cost and can statically transmit load and manually perform stepless adjustment on stroke.
Description
Technical field
The present invention relates to a kind of stroke control mechanism, especially relate to a kind of Metering Pump Stroke controlling mechanism.
Background technique
Metering pump is widely used in industries such as food, medical treatment, chemical industry, and when measuring according to the needs of producing, its measures range also should be able to be at any time, change easily.Metering Pump Stroke controlling mechanism in the market adopts N type, L type, H type slide-bar controlling mechanism mostly, along with further promote in metering pump application area field, shortcoming such as these controlling mechanisms do not have the high overload ability, reproduce poor performance, validity adjusting power low, manual stroke adjustment is big.In addition, from appearance structure, in the middle of the N type slide-bar oblique circular cylinder body stressed a little less than, under the high overload situation, easily produce bending deflection.And L type, H profile shaft complex structure, difficulty of processing is big, the manufacture cost height.
Summary of the invention
Purpose of the present invention is exactly that a kind of have high overload endurance, linear properties is good, precision is high Metering Pump Stroke controlling mechanism are provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of Metering Pump Stroke controlling mechanism, it is characterized in that, this controlling mechanism comprises adjusting handle, hollow swivel nut, push rod shaft, worm gear, skewback, slide block, crank pin, revolving sleeve, the connecting rod and the axis of guide, described adjusting handle is connected hollow swivel nut front portion through bolt, described push rod shaft front portion is located in the hollow swivel nut, the rear portion is located in the worm gear, described skewback is located at the afterbody of push rod shaft, described slide block is located in the guiding groove of worm gear, sheathed described skewback in this slide block, on the described slide block crank pin is set, this crank pin is connected with described revolving sleeve, described connecting rod is set in the outside of revolving sleeve, and the front portion of the described axis of guide is nested in the revolving sleeve.
Described hollow swivel nut is connected through bearing with push rod shaft.
On the described hollow swivel nut locking block is set, this locking block fixation hollow swivel nut is determined skewback and the relative position of slide block and the stroke of connecting rod on the push rod shaft.
On the described push rod shaft feather key is set, this push rod shaft is connected with worm gear through feather key.
The spacer of regulating the gap between the axis of guide and the worm gear is set in the described worm gear.
Described skewback and push rod shaft are integral structure.
Described revolving sleeve is connected through bearing with connecting rod.
The workflow of described Metering Pump Stroke controlling mechanism may further comprise the steps: regulating and controlling handwheel, hollow swivel nut and push rod shaft move axially, skewback by the push rod shaft rear portion makes slide block move radially the radius of clean-up that changes crank pin in the guiding groove of worm gear, the revolving sleeve that is connected with crank pin moves radially on the axis of guide, crank pin drives revolving sleeve and rotates with worm gear, the radial displacement of crank pin forms the throw of eccentric of revolving sleeve, change the centripetal moment of connecting rod geometric center lines and gyration center line, finish Metering Pump Stroke and regulate.
Compared with prior art, the present invention has high overload endurance, and load is static to be transmitted, the manually stepless conciliation of stroke, and linear properties is good, and the reproduction performance is good, precision is high, succinct, good, the low cost of manufacture of processing technology on the structure.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the longitudinal sectional view of connecting rod.
Among the figure, 1 is that adjusting handle, 2 is that gyration center line, 3 is that hollow swivel nut, 4 is that locking block, 5 is that push rod shaft, 6 is that worm gear, 7 is that skewback, 8 is that slide block, 9 is that revolving sleeve, 10 is that the axis of guide, 11 is that connecting rod geometric center lines, 12 is that spacer, 13 is that connecting rod, 14 is that crank pin, 15 is that feather key, 16 is that seal ring, 17 is that bearing, 18 is a bearing.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
A kind of Metering Pump Stroke controlling mechanism, its structure as shown in Figure 1, this controlling mechanism comprises adjusting handle 1, hollow swivel nut 2, push rod shaft 5, worm gear 6, skewback 7, slide block 8, revolving sleeve 9, the axis of guide 10, connecting rod 13 and crank pin 14, adjusting handle 1 is connected the front portion of hollow swivel nut 3 through bolt, the front portion of push rod shaft 5 is located in the hollow swivel nut 3, the rear portion is located in the worm gear 6, hollow swivel nut 3 is connected through bearing 17 with push rod shaft 5, hollow swivel nut 3 also is provided with locking block 4, this locking block 4 is used for fixing hollow swivel nut 2, and then the skewback 7 of definite push rod shaft 5 afterbodys connection and the relative position of slide block 8 and the stroke of connecting rod 13.The rear portion of push rod shaft 5 also is provided with feather key 15, and push rod shaft 5 is connected with worm gear 6 through feather key 15.Worm gear 6 also is provided with spacer 12 and seal ring 16, and spacer 12 is in order to the gap between the E end face of the D end face of regulating the axis of guide 10 among the figure and worm gear 6.The skewback 7 and the push rod shaft 5 of push rod shaft 5 afterbodys are integral structure, slide block 8 is located in the guiding groove of worm gear 6, this slide block 8 is connected with skewback 7, crank pin 14 is set on the slide block 8, this crank pin 14 is connected with revolving sleeve 9, connecting rod 13 is set in the outside of revolving sleeve 9, is connected through bearing 18 with revolving sleeve 9, as shown in Figure 2.The axis of guide 10 is connected with revolving sleeve 9.
The workflow of Metering Pump Stroke controlling mechanism may further comprise the steps: drive adjusting handle 1 by bearing 17, the wraparound therewith of hollow swivel nut 3 is changeed center line 2 and is rotated, the skewback 7 that drive push rod shaft 5 reaches with its one moves radially, skewback 7 by push rod shaft 5 rear portions makes slide block 8 move radially the radius of clean-up that changes crank pin 14 in the guiding groove of worm gear 6, the revolving sleeve 9 that is connected with crank pin 14 moves radially on the axis of guide 10, crank pin 14 drives revolving sleeve 9 and rotates with worm gear 6, the radial displacement of crank pin 14 forms the throw of eccentric of revolving sleeve 9, change the centripetal moment of connecting rod geometric center lines 2 and gyration center line 11, finish Metering Pump Stroke and regulate.
After adjusting is finished, rotational lock piece 4, fixation hollow swivel nut 3 makes the relative position of skewback 7, slide block 8, revolving sleeve 9 determine, guarantees the accuracy of metering.If because the relative movement of slide block 8, revolving sleeve 9 and the axis of guide 10 causes the wearing and tearing of revolving sleeve 9 both sides end faces, then can also adjust the gap of revolving sleeve 9 and both sides element by spacer 12.
Claims (7)
1. Metering Pump Stroke controlling mechanism, it is characterized in that, this controlling mechanism comprises adjusting handle, hollow swivel nut, push rod shaft, worm gear, skewback, slide block, crank pin, revolving sleeve, the connecting rod and the axis of guide, described adjusting handle is connected hollow swivel nut front portion through bolt, described push rod shaft front portion is located in the hollow swivel nut, the rear portion is located in the worm gear, described skewback is located at the afterbody of push rod shaft, described slide block is located in the guiding groove of worm gear, sheathed described skewback in this slide block, on the described slide block crank pin is set, this crank pin is connected with described revolving sleeve, described connecting rod is set in the outside of revolving sleeve, and the front portion of the described axis of guide is nested in the revolving sleeve.
2. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that described hollow swivel nut is connected through bearing with push rod shaft.
3. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that, on the described hollow swivel nut locking block is set, and this locking block fixation hollow swivel nut is determined skewback and the relative position of slide block and the stroke of connecting rod on the push rod shaft.
4. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that on the described push rod shaft feather key is set, this push rod shaft is connected with worm gear through feather key.
5. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that, the spacer of regulating the gap between the axis of guide and the worm gear is set in the described worm gear.
6. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that described skewback and push rod shaft are integral structure.
7. a kind of Metering Pump Stroke controlling mechanism according to claim 1 is characterized in that described revolving sleeve is connected through bearing with connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010184874.9A CN102261329B (en) | 2010-05-26 | 2010-05-26 | Stroke regulation mechanism for metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010184874.9A CN102261329B (en) | 2010-05-26 | 2010-05-26 | Stroke regulation mechanism for metering pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102261329A true CN102261329A (en) | 2011-11-30 |
| CN102261329B CN102261329B (en) | 2014-04-02 |
Family
ID=45008118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010184874.9A Expired - Fee Related CN102261329B (en) | 2010-05-26 | 2010-05-26 | Stroke regulation mechanism for metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102261329B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425539A (en) * | 2011-12-13 | 2012-04-25 | 合肥工业大学 | Stroke adjusting device for metering pump |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN103591007A (en) * | 2013-11-11 | 2014-02-19 | 中国核电工程有限公司 | Metering pump stroke stepless regulation device |
| CN106930933A (en) * | 2017-05-22 | 2017-07-07 | 德帕姆(杭州)泵业科技有限公司 | The tune amount retaining mechanism of measuring pump |
| CN115875231A (en) * | 2022-10-09 | 2023-03-31 | 山东泰展机电科技股份有限公司 | Internal circulation air pump with brushless motor |
Citations (6)
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|---|---|---|---|---|
| EP0908626A1 (en) * | 1997-10-06 | 1999-04-14 | Sabi Pompe e Impianti S.r.l. | Output regulator applicable to metering pumps |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN2391030Y (en) * | 1999-08-30 | 2000-08-09 | 杭州大路实业有限公司 | Eccentric sliding clock stroke regulating mechanism |
| CN1796786A (en) * | 2004-12-28 | 2006-07-05 | 浙江工业大学 | Stroke control mechanism of metering pump |
| CN101059126A (en) * | 2006-04-23 | 2007-10-24 | 程志 | Plunger pump driving device |
| CN200975331Y (en) * | 2006-06-13 | 2007-11-14 | 上海化工研究院 | Mechanically-actuated diaphram pump |
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2010
- 2010-05-26 CN CN201010184874.9A patent/CN102261329B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0908626A1 (en) * | 1997-10-06 | 1999-04-14 | Sabi Pompe e Impianti S.r.l. | Output regulator applicable to metering pumps |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN2391030Y (en) * | 1999-08-30 | 2000-08-09 | 杭州大路实业有限公司 | Eccentric sliding clock stroke regulating mechanism |
| CN1796786A (en) * | 2004-12-28 | 2006-07-05 | 浙江工业大学 | Stroke control mechanism of metering pump |
| CN101059126A (en) * | 2006-04-23 | 2007-10-24 | 程志 | Plunger pump driving device |
| CN200975331Y (en) * | 2006-06-13 | 2007-11-14 | 上海化工研究院 | Mechanically-actuated diaphram pump |
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| 《化工装备技术》 20081031 王晓强 "隔膜式计量泵的使用和维修方法" 第61-63页 1-7 第29卷, 第5期 * |
| 王晓强: ""隔膜式计量泵的使用和维修方法"", 《化工装备技术》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425539A (en) * | 2011-12-13 | 2012-04-25 | 合肥工业大学 | Stroke adjusting device for metering pump |
| CN102425539B (en) * | 2011-12-13 | 2014-04-30 | 合肥工业大学 | Stroke adjusting device for metering pump |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN103362769B (en) * | 2012-03-26 | 2017-01-04 | 德帕姆(杭州)泵业科技有限公司 | A kind of dosing pump of overall throw of eccentric governor motion |
| CN103591007A (en) * | 2013-11-11 | 2014-02-19 | 中国核电工程有限公司 | Metering pump stroke stepless regulation device |
| CN103591007B (en) * | 2013-11-11 | 2016-08-17 | 中国核电工程有限公司 | A kind of Metering Pump Stroke stepless regulator |
| CN106930933A (en) * | 2017-05-22 | 2017-07-07 | 德帕姆(杭州)泵业科技有限公司 | The tune amount retaining mechanism of measuring pump |
| CN115875231A (en) * | 2022-10-09 | 2023-03-31 | 山东泰展机电科技股份有限公司 | Internal circulation air pump with brushless motor |
| CN115875231B (en) * | 2022-10-09 | 2023-10-24 | 山东泰展机电科技股份有限公司 | Internal circulation air pump with brushless motor |
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|---|---|
| CN102261329B (en) | 2014-04-02 |
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| 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: 20140402 Termination date: 20200526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |