CN2583389Y - Oppsited reciprocating motion device - Google Patents
Oppsited reciprocating motion device Download PDFInfo
- Publication number
- CN2583389Y CN2583389Y CN 02245572 CN02245572U CN2583389Y CN 2583389 Y CN2583389 Y CN 2583389Y CN 02245572 CN02245572 CN 02245572 CN 02245572 U CN02245572 U CN 02245572U CN 2583389 Y CN2583389 Y CN 2583389Y
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- CN
- China
- Prior art keywords
- plunger
- reciprocator
- opposed
- slide block
- eccentric
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to an improvement of a dynamic force driving device for changing rotating movement into opposite reciprocating movement, particularly a dynamic force driving device used for corrugated pope type, membrane type and pole type bulk type pumps. The utility model has a main improvement that a frame-shaped reciprocating returning slide block being sheathed on a square slide block and doing reciprocating movement is changed into a reciprocating plunger piston with a cross slot, an eccentric shaft of the square slide block is respectively inserted in two slots of the cross slot, the eccentric shaft and the reciprocating plunger piston are caused to be a decussation shape, and thereby, the rotating movement of the eccentric rotating shaft in an inner hole of the square slide block to be changed into the reciprocating movement of the plunger piston.
Description
Technical field
Model utility relates to a kind ofly can convert opposed to-and-fro motion actuating unit with rotatablely moving to, is particularly useful for the actuating unit of bellows, diaphragm type and pillar molded capacity formula pump.
Background technique
Some machinery needs the to-and-fro motion power plant to drive, and for example bellows, diaphragm type and pillar molded capacity pump adopt crank-connecting rod or camming movement mechanism usually, change rotatablely moving of motor into to-and-fro motion.Yet mostly there is complex structure in this two classes driving mechanism, and single face promotes, and volume is big, noise height, shortcoming such as transmission efficiency is low.At above-mentioned deficiency, people attempt so that more rational method and device are realized rotatablely moving changing straight line motion into, as Chinese patent 98232933.4 disclosed a kind of one-throw even cylinder diametrically contraposition to-and-fro motion machines, its structure is to open an eccentric opening in the rotating shaft at frame two ends, a built-in concentric shafts, be combined into eccentrically weighted shaft, on eccentrically weighted shaft, be movably installed with square translation lift slide block, the reciprocal backhaul slide block of opposed shaped as frame is set on translation lift slide block opposing side.Eccentric shaft rotates, and drives sheathed square translation lift piece on it and does the lift motion, does reciprocating linear motion the promotion cylinder body thereby drive the backhaul slide block.Though this transmission conversion equipment has overcome some deficiency of above-mentioned prior art, but still there is a complex structure, opposed cylinder body is the branch body structure with reciprocal backhaul slide block, difficulty is installed, and the reciprocal backhaul slide block rigidity of shaped as frame structure is poor, and thrust is little, especially segmented axle construction, coaxality is poor, and aligning and sealing be difficulty all, and still having is worth improving.
Summary of the invention
The purpose of model utility is to overcome the deficiency of above-mentioned prior art, provides a kind of simple in structure, manufacturing, maintenance, aligning convenience, and coaxality is good, and rigidity is strong, and volume is littler, stable drive, the opposed reciprocator of long service life.
The model utility purpose realizes, the main improvement is to be set in the reciprocal backhaul slide block of shaped as frame reciprocating on the square slider, change the reciprocal plunger of band cross recessed into, square slider and eccentric shaft are interspersed in respectively in cross recessed two grooves, and make eccentric shaft and reciprocal plunger be criss-crossing.Specifically, the opposed reciprocator of model utility, comprise the hollow chassis housing, rotation eccentric axis, be set in the square slider on the eccentric shaft, and opposed output shaft, it is characterized in that said frame housing and eccentric shaft Vertical direction have a plunger cavity, the reciprocal plunger that one band cross elongated slot is arranged in the said plunger cavity, said square slider and eccentric shaft are interspersed in respectively in the cross elongated slot of reciprocal plunger, plunger is placed the elongated slot of square slider and slide block and is and is slidingly matched, and said opposed output shaft is arranged on the plunger two ends.When power drive eccentric shaft rotates, because square slider is arranged on isometric being in the plunger slot that is slidingly matched, limited the rotation of square slider, thereby the square slider that is set on the eccentric shaft can only be moved up and down, thereby it is reciprocating in plunger cavity to promote plunger, has realized that rotatablely moving of eccentric shaft becomes the to-and-fro motion of plunger.
The said sliding spool of model utility, its cross section can be Any shape, but for making things convenient for the processing of frame housing inner plunger chamber and plunger, a kind of better structure is for adopting cylindrical plunger; Said plunger is placed the elongated slot of square slider and slide block and is and is slidingly matched, be meant the elongated slot of placing slide block in the plunger cross recess, the slide block of its slot length and placement is isometric or omit length a bit, make two to be and to be slidingly matched, and slide block is rocked in plunger slot, drive moving of square slider thereby eccentric shaft is rotated, it is reciprocating to become the promotion plunger; Said eccentric shaft can adopt various known eccentrically weighted shaft structures, but wherein a kind of mode preferably is to adopt the outer sheathed eccentric group of concentric d-axis to become, and this structure has been guaranteed the concentric of rotating shaft, help aligning and shaft sealing, and manufacturing is also simple; The said opposed output shaft that is arranged on the plunger two ends better is and reciprocal plunger consubstantiality that a kind of better structure is the thin cylindrical plunger in thick two ends in adopting.
Model utility is for improving the wear resistance between moving element, increase the service life, can wear-resisting liner be set at the two ends that plunger is placed slide block slot, said wear-resisting liner, a kind of better structure is the decussate texture of employing with the cross recess similar shape, so only need insert in the cross wear plate in the plunger cross recess and get final product, and can simplify the location of wear plate.In like manner, also wear-resisting grommet can be set between slide block endoporus and eccentric wheel.As required, also can be provided with wear-resisting cylinder body between plunger and plunger cavity.
Model utility is avoided dry friction for improving the lubricity of plunger in plunger cavity, reduces the sliding friction of sliding spool in plunger cavity, and the frame housing is preferably made enclosed construction, interior filled a certain amount of lubricant oil; Be the resistance that the to-and-fro motion that prevents owing to plunger causes the cavity transfiguration of plunger two ends to cause, plunger both ends of the surface or plunger cavity side can be provided with drainback passage, thereby keep plunger two ends cavity oil pressure balance; Be that favourable plunger installs, the frame housing better adopts the split composite structure, and the end face that is about to one or both ends is made split type, and sliding spool can insert plunger cavity by end face like this; For making things convenient for the installation of square slider, plunger cavity also is fit to do into the two-part structure, and the frame case top lid is made the branch body structure, inserts square slider from the top during installation.
Model utility is owing to adopt eccentric shaft to drive square slider, square slider is arranged in the band cross recessed plunger slot and promotes the reciprocating structure of plunger, realized that not only rotatablely moving of eccentric shaft becomes the to-and-fro motion of plunger by slide blocks, and adopt and be with the reciprocal piston structure of cross recessed, has compact structure than prior art, transmission component and frame housing volume greatly reduce, installing space is little, low cost of manufacture, and the plunger rigidity is good, to contact stress surface big with plunger cavity, motion is steady, and it is little to pulse, and noise is low, assembly and disassembly is easy to maintenance, only needs to insert from housing one end.Wear-resisting liner and wear ring are set between rotatable parts, effectively reduce the wear damage between rotatable parts, the rotatable parts long service life only need be changed wear-resisting liner and get final product, and maintenance expenses is low.With the opposed output shaft of sliding spool consubstantiality, not only good concentricity help the sliding axle sealing, and rigidity is strong.The model utility power plant are particularly useful for the use that is used as power of variable displacement pumps such as bellows diaphragm pump, dull and stereotyped diaphragm pump, plunger pump.
Below in conjunction with a preferable embodiment, further specify the model utility structural principle, but embodiment not the qualification to the model utility concrete structure, some unsubstantialities are changed all true novel protected scope of using.
Description of drawings
Fig. 1 is a model utility example structure schematic representation.
Fig. 2 is that Figure 1A-A is to structural representation.
Fig. 3 is the square slider structural representation.
Fig. 4 is Fig. 3 sectional structure schematic representation.
Fig. 5 is the cylindrical sliding spool structural representation of band cross recess.
Fig. 6 is that Fig. 5 B-B is to structural representation.
Fig. 7 is the sliding spool perspective view.
Fig. 8 is sliding spool two ends wear-resisting lining chip architecture schematic representation.
Embodiment
Embodiment: referring to accompanying drawing, the opposed reciprocator of model utility has hollow sealing frame housing and places its interior rotation---reciprocating mechanism two-part composition.Left and right directions (Fig. 1) has the plunger cavity 4 of discontinuous two disconnected structures in the sealed frame housing 3, and the plunger cavity two ends have end capping 2 to make plunger cavity be sealing with oil sealing 12; Frame case top lid and housing are composite structure, can make things convenient for the installation of square slider; Before and after the frame housing (vertical with plunger cavity, Fig. 2) rotating shaft of installation through hole is arranged, the bearing 16 of supporting shaft, and by end cap 15, oil sealing 14 formation sealings.
Rotation---reciprocating mechanism comprises, being arranged on the interior band cross recess two ends of plunger cavity has the cylindrical sliding spool 5 of less opposed output shaft 13, plunger above-below direction groove is built-in with the square slider 6 than the smaller band through hole of flute length, cross wear plate 10 with ten groove shape complementations is arranged between groove two ends and square slider, indent 6.1 is arranged around the square slider, bump plunger cavity wall in the time of can avoiding slide block to move up and down (also can by the plunger cavity shorten length is reached).Be rotatably assorted in the square slider hole eccentric wheel 8 of eccentric opening has wear-resisting grommet 7 between eccentric wheel and square slider.Be interspersed with straight section rotating shaft 9 in the axis hole of frame housing fore-and-aft direction by another groove of plunger and eccentric wheel eccentric opening, rotating shaft is non-rotating fixing by key pin and eccentric wheel, the hierarchic structure that positioning step is arranged is adopted in rotating shaft, helps eccentric location, and there is eccentric wheel setting sleeve 17 in the thin portion of rotating shaft.There is drainback passage 11 at sliding spool 5 cross recess two ends, but plunger cavity pressure during the balance plunger to-and-fro motion.Opposed output shaft 13 ends have for external attachment hole 18.
During operation, power end drives rotating shaft and fixing sheathed eccentric wheel rotation on it, eccentric rotation, make the square slider that is set on the eccentric wheel and is arranged in the sliding spool groove make shift movement up and down, it is reciprocating that the move left and right of slide block promotes plunger, by connecting rod 1 outside outputting power.
Model utility also can realize the main reciprocating motion of Vertical direction at the sheathed cross plunger of the other direction of square slider.
Claims (10)
1, a kind of opposed reciprocator, comprise the hollow chassis housing, rotation eccentric axis, be set in the square slider on the eccentric shaft, and opposed output shaft, it is characterized in that said frame housing and eccentric shaft Vertical direction have a plunger cavity, the reciprocal plunger that one band cross elongated slot is arranged in the said plunger cavity, said square slider and eccentric shaft are interspersed in respectively in the cross elongated slot of reciprocal plunger, and plunger is placed the elongated slot of square slider and slide block and is and is slidingly matched, and said opposed output shaft is arranged on the plunger two ends.
2,, it is characterized in that said reciprocal plunger is cylindrical according to the described opposed reciprocator of claim 1.
3,, it is characterized in that there is wear plate at the two ends that said reciprocal plunger is placed slide block slot according to the described opposed reciprocator of claim 1.
4,, it is characterized in that said opposed output shaft is less than plunger and reciprocal plunger consubstantiality according to the described opposed reciprocator of claim 1.
5,, it is characterized in that said wear plate is cross according to the described opposed reciprocator of claim 3.
6,, it is characterized in that said rotation eccentric axis is made up of concentric d-axis and sheathed eccentric wheel on it according to claim 1,2,3,4,5 or 6 described opposed reciprocators.
7,, it is characterized in that between said square slider endoporus and eccentric wheel wear-resisting grommet being arranged according to the described opposed reciprocator of claim 6.
8,, it is characterized in that there is drainback passage at said reciprocal plunger two ends according to the described opposed reciprocator of claim 1.
9,, it is characterized in that said plunger cavity is two sections discontinuous constructions according to the described opposed reciprocator of claim 1.
10,, it is characterized in that said concentric d-axis is the ladder-type that positioning step is arranged according to the described opposed reciprocator of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245572 CN2583389Y (en) | 2002-12-13 | 2002-12-13 | Oppsited reciprocating motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245572 CN2583389Y (en) | 2002-12-13 | 2002-12-13 | Oppsited reciprocating motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2583389Y true CN2583389Y (en) | 2003-10-29 |
Family
ID=33717131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02245572 Expired - Lifetime CN2583389Y (en) | 2002-12-13 | 2002-12-13 | Oppsited reciprocating motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2583389Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734622A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | A plunger pump |
| CN101639115B (en) * | 2009-08-21 | 2012-10-24 | 齐维超 | Shaft slide block reciprocating mechanism |
| CN102840118A (en) * | 2012-09-10 | 2012-12-26 | 佛山市广顺电器有限公司 | Dual-pressure compressor |
| TWI557319B (en) * | 2012-03-23 | 2016-11-11 | Piston type compressor drive structure | |
| CN110617201A (en) * | 2019-10-17 | 2019-12-27 | 昆山华誉自动化科技有限公司 | Diaphragm alternative glue supply pump and method |
-
2002
- 2002-12-13 CN CN 02245572 patent/CN2583389Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639115B (en) * | 2009-08-21 | 2012-10-24 | 齐维超 | Shaft slide block reciprocating mechanism |
| CN102734622A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | A plunger pump |
| TWI557319B (en) * | 2012-03-23 | 2016-11-11 | Piston type compressor drive structure | |
| CN102840118A (en) * | 2012-09-10 | 2012-12-26 | 佛山市广顺电器有限公司 | Dual-pressure compressor |
| CN102840118B (en) * | 2012-09-10 | 2015-06-03 | 佛山市广顺电器有限公司 | Dual-pressure compressor |
| CN110617201A (en) * | 2019-10-17 | 2019-12-27 | 昆山华誉自动化科技有限公司 | Diaphragm alternative glue supply pump and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121213 Granted publication date: 20031029 |