CN202468194U - Metering pump of solid eccentric sheave stroke adjusting mechanism - Google Patents
Metering pump of solid eccentric sheave stroke adjusting mechanism Download PDFInfo
- Publication number
- CN202468194U CN202468194U CN2012201299337U CN201220129933U CN202468194U CN 202468194 U CN202468194 U CN 202468194U CN 2012201299337 U CN2012201299337 U CN 2012201299337U CN 201220129933 U CN201220129933 U CN 201220129933U CN 202468194 U CN202468194 U CN 202468194U
- Authority
- CN
- China
- Prior art keywords
- whole
- eccentric
- metering pump
- connecting rod
- hollow shaft
- 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 - Lifetime
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a metering pump of a solid eccentric sheave stroke adjusting mechanism, which comprises an adjusting screw rod, a moving shaft, a hollow shaft, a connecting rod, a solid eccentric sheave, a worm gear, a worm and a slide bar. One end of the adjusting screw rod is connected with the moving shaft in a coaxial and relative rotation mode. The moving shaft is sleeved in the hollow shaft, the moving shaft is provided with an inclined groove, and a sliding block is arranged in an inclined groove. The hollow shaft is sleeved with the solid eccentric sheave, the solid eccentric sheave is fixed with the connecting rod, the connecting rod is connected with the sliding rod, the hollow shaft is sleeved with the worm gear, and the worm gear is meshed with the worm. The metering pump of the solid eccentric sheave stroke adjusting mechanism is large in bearing capacity, high in metering accuracy and long in service life.
Description
Technical field
The utility model relates to a kind of stroke control mechanism, particularly a kind of metering pump of whole throw of eccentric controlling mechanism.
Background technique
Metering pump can measure the reciprocating pump of carrying liquid as a kind of, and it mainly also has the characteristics of step-less adjustment flow except the characteristics with reciprocating pump.Metering pump partly is made up of motor, transmission case, cylinder body etc., and transmission case comprises connecting rod cam mechanism, stroke control mechanism and reducing gear, and stroke control mechanism is the vitals that metering pump is realized the step-less adjustment flow.
Document number is the stroke control mechanism that the patent documentation of CN 1796786A has been put down in writing a kind of metering pump; Comprise worm gear, worm screw, adjustable lever and eccentric wheel, described eccentric wheel connects connecting rod, has lining between connecting rod and the eccentric wheel; Adjustable lever below and said adjustable lever be affixed-the L profile shaft; Offer skewed slot on the L profile shaft, in the described skewed slot guide is installed, be inserted with latch in the guide.Described L profile shaft is with axle sleeve outward; Described axle sleeve is bearing in the pump body by bearing; The periphery symmetry of described axle sleeve is offered two grooves; One have breach eccentric wheel be placed on the described axle sleeve through the groove on described breach and the said axle sleeve, described latch passes groove and the described eccentric wheel on the said axle sleeve.With document number be that the patent documentation of CN 102261329A discloses a kind of Metering Pump Stroke controlling mechanism, this controlling mechanism comprises adjusting handle, hollow swivel nut, push rod shaft, worm gear, skewback, slide block, crank pin, revolving sleeve, connecting rod and the axis of guide, it is anterior that adjusting handle is connected hollow swivel nut through bolt; The push rod shaft front portion is located in the hollow swivel nut, and the rear portion is located in the worm gear, and skewback is located at the afterbody of push rod shaft; Slide block is located in the guiding groove of worm gear; This slide block and skewback are connected, and crank pin is set on the slide block, and this crank pin is connected with described revolving sleeve; Connecting rod is set in the outside of revolving sleeve, and the axis of guide and revolving sleeve are connected.
It is not enough that stroke control mechanism complex structure of the prior art and easily because of the eccentric wear that rotates or axial float produced, hollow shaft carry power, causes the big and defective such as fall short of working life of measuring accuracy fluctuation.
The model utility content
The purpose of the utility model is to provide a kind of metering pump bearing capacity that makes big, and measuring accuracy is high, the throw of lever controlling mechanism of long service life.
The technology that the utility model adopted in order to achieve the above object is: a kind of metering pump of whole throw of eccentric controlling mechanism, comprise accent amount screw mandrel, shifting axle, hollow shaft, connecting rod, whole eccentric wheel, worm gear, worm screw, slide bar, and an end of described accent amount screw mandrel can coaxially be connected with shifting axle in relative rotation; Described shifting axle is inserted in the hollow shaft; Have skewed slot on the described shifting axle, be provided with slide block in the skewed slot, be arranged with whole eccentric wheel on the described hollow shaft; Described whole eccentric wheel and connecting rod are fixed; Described connecting rod is connected with slide bar, is socketed with worm gear on the described hollow shaft, described worm gear and worm meshing.
Be provided with the little chute and big chute of symmetry on the described hollow shaft concurrently, described little chute place offers the radial direction through hole of perforation; Described whole eccentric wheel is two layers of cascade frustum cone structure; Have radially big slide opening on one deck ladder; Two layers of ladder are provided with eccentric opening; Described eccentric opening one outer is provided with radially little slide opening, and described big slide opening and little slide opening connect, and described two layers of ladder side are provided with the slide block mounting hole that passes eccentric opening.
Slide block mounting hole, the radial direction through hole on the hollow shaft and the skewed slot on the shifting axle that described slide block passes on the whole eccentric wheel are located on the whole eccentric wheel.
Described accent amount screw mandrel passes behind round nut, locking plate, the angular contact bearing with the rotating end that is fixed on shifting axle of locking nut.
Has needle bearing between described whole eccentric wheel and connecting rod.
The described connecting rod and the needle bearing outside are provided with the connecting rod back-up ring.
Described connecting rod back-up ring opposite side is provided with thrust ball bearing.
Described hollow shaft two ends are provided with taper roller bearing.
Described accent amount screw mandrel is provided with adjusting handle.
The characteristics that the utlity model has do
1. between accent amount screw mandrel and shifting axle angular contact ball bearing is housed, can improves the coaxality between them, improve the support situation of shifting axle, prevented because of the eccentric wear that rotates or axial float produced.
2. whole eccentric wheel processing technology is simple, and part is few, and big chute access section cross-section area strengthens, and has strengthened the bearing capacity of hollow shaft.
3. the connecting rod back-up ring is installed on the whole eccentric wheel, can radially move with whole eccentric wheel to reduce the connecting rod eccentric wear, and connecting rod back-up ring one side is equipped with thrust ball bearing, can reduce the axial impact force that worm gear and worm screw produce.
It is big to have improved the metering pump bearing capacity thus greatly, and measuring accuracy is high, long service life.
Description of drawings
Fig. 1 is the metering pump structural representation of the whole throw of eccentric controlling mechanism of the utility model.
Fig. 2 is a whole eccentric structural representation in the metering pump of the whole throw of eccentric controlling mechanism of the utility model.
Fig. 3 is the structural representation of the metering pump hollow mandrel of the whole throw of eccentric controlling mechanism of the utility model.
Embodiment
Below in conjunction with Figure of description the utility model is made detailed description.
Slider bar travel controlling mechanism as shown in Figure 1 comprises accent amount screw mandrel 1, shifting axle 2, hollow shaft 3, connecting rod 5, whole eccentric wheel 7, worm gear 8, worm screw 9, slide bar 10, and an end of described accent amount screw mandrel 1 can coaxially be connected with shifting axle 2 in relative rotation; Described shifting axle 2 is inserted in the hollow shaft 3; Have skewed slot 2-1 on the described shifting axle 2, be provided with slide block 6 among the skewed slot 2-1, be arranged with whole eccentric wheel 7 on the described hollow shaft 3; Described whole eccentric wheel 7 is fixing with connecting rod 5; Described connecting rod 5 is connected with slide bar 10, is socketed with worm gear 8 on the described hollow shaft 3, described worm gear 8 and worm screw 9 engagements.
Described accent amount screw mandrel 1 passes round nut 14, locking plate 17, angular contact bearing 15 back ends that are rotatably mounted to shifting axle 2 with locking nut 16.Setting can improve the coaxality between accent amount screw mandrel 1 and the shifting axle 2 like this, improves the support situation of shifting axle 2, has prevented because of the eccentric wear that rotates or axial float produced.
5 on described whole eccentric wheel 7 and connecting rod have needle bearing 12.
Described connecting rod 5 is provided with connecting rod back-up ring 4 with needle bearing 12 outsides.
Described connecting rod back-up ring 4 opposite sides are provided with thrust ball bearing 13.
Described hollow shaft 3 two ends are provided with taper roller bearing 18 and taper roller bearing 19.
Connecting rod back-up ring 4 is installed on the whole eccentric wheel 7, can radially move with whole eccentric wheel 7 to reduce connecting rod 5 eccentric wears, and connecting rod back-up ring 4 one sides are equipped with thrust ball bearing 13, can reduce the axial impact force of worm gear 8 and worm screw 9 generations.
Described accent amount screw mandrel 1 is provided with adjusting handle 21.
Like Fig. 2. with little chute 3-3 that is provided with symmetry on the described hollow shaft 3 shown in 3 concurrently and big chute 3-1, described little chute 3-2 place offers the warp-wise through hole 3-3 of perforation; Described whole eccentric wheel 7 is two layers of cascade frustum cone structure; Have radially big slide opening 7-21 on one deck ladder 7-2; Two layers of ladder 7-1 are provided with eccentric opening; Described eccentric opening one outer is provided with radially little slide opening 7-11, and described big slide opening 7-21 and little slide opening 7-11 connect, and described two layers of ladder side are provided with the slide block mounting hole 7-12 that passes eccentric opening.
Slide block mounting hole 7-12, the radial direction through hole 3-3 on the hollow shaft 3 and the skewed slot 2-1 on the shifting axle 2 that described slide block 6 passes on the whole eccentric wheel 7 are located on the whole eccentric wheel 7.
Working principle is following:
Motor drives hollow shafts 3 through worm gear 8, worm screw 9 and rotates, and hollow shaft 3 drives whole eccentric wheel 7, connecting rod 5, slide bar 10 and does linear reciprocating motion simultaneously.When 1 axial motion of accent amount screw mandrel; Shifting axle 2 also axially moves simultaneously; Because slide block 6 can not axially move with whole eccentric wheel 7; Slide block moves radially, drives whole eccentric wheel 7 and can only do radial motion in the skewed slot of shifting axle 3, makes its throw of eccentric be able to change, and the movement travel of slide bar 10 changes thereupon.
Claims (9)
1. the metering pump of a whole throw of eccentric controlling mechanism is characterized in that, this controlling mechanism comprises accent amount screw mandrel, shifting axle, hollow shaft, connecting rod, whole eccentric wheel, worm gear, worm screw, slide bar; One end of described accent amount screw mandrel can coaxially be connected with shifting axle in relative rotation, and described shifting axle is inserted in the hollow shaft, has skewed slot on the described shifting axle; Be provided with slide block in the skewed slot; Be arranged with whole eccentric wheel on the described hollow shaft, described whole eccentric wheel and connecting rod are fixed, and described connecting rod is connected with slide bar; Be socketed with worm gear on the described hollow shaft, described worm gear and worm meshing.
2. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 1 is characterized in that, is provided with the little chute and big chute of symmetry on the described hollow shaft concurrently, and described little chute place offers the radial direction through hole of perforation; Described whole eccentric wheel is two layers of cascade frustum cone structure; Have radially big slide opening on one deck ladder; Two layers of ladder are provided with eccentric opening; Described eccentric opening one outer is provided with radially little slide opening, and described big slide opening and little slide opening connect, and described two layers of ladder side are provided with the slide block mounting hole that passes eccentric opening.
3. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 2 is characterized in that, slide block mounting hole, the radial direction through hole on the hollow shaft and the skewed slot on the shifting axle that described slide block passes on the whole eccentric wheel are located on the whole eccentric wheel.
4. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 1 is characterized in that, described accent amount screw mandrel passes behind round nut, locking plate, the angular contact bearing with the rotating end that is fixed on shifting axle of locking nut.
5. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 1 is characterized in that, has needle bearing between described whole eccentric wheel and connecting rod.
6. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 5 is characterized in that, the described connecting rod and the needle bearing outside are provided with the connecting rod back-up ring.
7. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 5 is characterized in that, described connecting rod back-up ring opposite side is provided with thrust ball bearing.
8. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 1 is characterized in that, described hollow shaft two ends are provided with taper roller bearing.
9. the metering pump of whole throw of eccentric controlling mechanism as claimed in claim 1 is characterized in that, described accent amount screw mandrel is provided with adjusting handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201299337U CN202468194U (en) | 2012-03-26 | 2012-03-26 | Metering pump of solid eccentric sheave stroke adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201299337U CN202468194U (en) | 2012-03-26 | 2012-03-26 | Metering pump of solid eccentric sheave stroke adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468194U true CN202468194U (en) | 2012-10-03 |
Family
ID=46916355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201299337U Expired - Lifetime CN202468194U (en) | 2012-03-26 | 2012-03-26 | Metering pump of solid eccentric sheave stroke adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468194U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808751A (en) * | 2012-06-13 | 2012-12-05 | 宝鸡航天动力泵业有限公司 | Oilfield high-flow reciprocating water injection 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 |
| CN105415866A (en) * | 2016-01-11 | 2016-03-23 | 湖州吉昌丝绸有限公司 | Registration device of circular screen printer |
| CN105691733A (en) * | 2016-03-31 | 2016-06-22 | 上海龙腾科技股份有限公司 | Sucking pushing device for full-automatic boxing machine and use method for sucking pushing device |
| CN109555659A (en) * | 2019-01-21 | 2019-04-02 | 杭州大泉泵业科技有限公司 | A kind of ring cam set metering pump transmission mechanism |
-
2012
- 2012-03-26 CN CN2012201299337U patent/CN202468194U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102808751A (en) * | 2012-06-13 | 2012-12-05 | 宝鸡航天动力泵业有限公司 | Oilfield high-flow reciprocating water injection pump |
| CN105415866A (en) * | 2016-01-11 | 2016-03-23 | 湖州吉昌丝绸有限公司 | Registration device of circular screen printer |
| CN105691733A (en) * | 2016-03-31 | 2016-06-22 | 上海龙腾科技股份有限公司 | Sucking pushing device for full-automatic boxing machine and use method for sucking pushing device |
| CN109555659A (en) * | 2019-01-21 | 2019-04-02 | 杭州大泉泵业科技有限公司 | A kind of ring cam set metering pump transmission mechanism |
| CN109555659B (en) * | 2019-01-21 | 2023-12-19 | 杭州大泉泵业科技有限公司 | Annular cam metering pump transmission mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103362769A (en) | Metering pump with entire solid eccentric wheel travel adjustment mechanism | |
| CN202468194U (en) | Metering pump of solid eccentric sheave stroke adjusting mechanism | |
| US9618103B2 (en) | Screw actuated press unit | |
| CN109226256A (en) | A kind of high-speed rod-rolling mill that roll gap can be adjusted with load | |
| CN205315617U (en) | Ball worm reducer | |
| CN207368811U (en) | A kind of novel electric cylinder | |
| CN109681623A (en) | A kind of gap eliminator for rack pinion | |
| CN102261329A (en) | Stroke regulation mechanism for metering pump | |
| CN211525460U (en) | Ball spline structure | |
| CN103956852B (en) | A kind of motor integral movable type two-stage electric cylinder | |
| CN202884183U (en) | Electric actuator three-shaft locating guide mechanism | |
| CN206943351U (en) | A kind of speed changer | |
| CN210754896U (en) | Hoop bending machine for reinforcing steel bars | |
| CN204253777U (en) | A kind of compound cycloid bilateral is to incorgruous roller arc-shaped gear driving mechanism | |
| CN208885898U (en) | A kind of high-speed silent rolling bearing screw pair | |
| CN206929286U (en) | Reductor cyclo drive mechanism based on tapper part | |
| CN209379653U (en) | A kind of high-speed rod-rolling mill that roll gap can be adjusted with load | |
| CN101975258B (en) | Nut slide block type displacement adjusting mechanism | |
| CN202100676U (en) | Gear-free movement control structure | |
| CN202479208U (en) | On-line adjustable tube rolling frame | |
| CN106300787B (en) | A kind of multi-section servo electric cylinder | |
| CN203822386U (en) | Circular spiral piston motor or engine | |
| CN202804113U (en) | Width adjusting transmission device of plate blank crystallizer | |
| CN108679180A (en) | A kind of right angle output Steel Ball Reducer | |
| CN204253770U (en) | A kind of compound cycloid roller arc-shaped gear driving mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 310018 No. 658, No. 20, Hangzhou economic and Technological Development Zone, Zhejiang Patentee after: Depamu (Hangzhou) Pump Technology Co., Ltd. Address before: 310018, Zhejiang, Hangzhou economic and Technological Development Zone, No. 3, No. 3, 3 Avenue (Hangzhou) Pump Technology Co., Ltd., Hangzhou Patentee before: Depamu (Hangzhou) Pump Technology Co., Ltd. |