CN107762756A - A kind of reciprocating pump of single actuated by cams single cylinder - Google Patents
A kind of reciprocating pump of single actuated by cams single cylinder Download PDFInfo
- Publication number
- CN107762756A CN107762756A CN201710948136.9A CN201710948136A CN107762756A CN 107762756 A CN107762756 A CN 107762756A CN 201710948136 A CN201710948136 A CN 201710948136A CN 107762756 A CN107762756 A CN 107762756A
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- CN
- China
- Prior art keywords
- cylinder
- cylinder sleeve
- cam
- piston rod
- piston
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
- F04B53/166—Cylinder liners
- F04B53/168—Mounting of cylinder liners in cylinders
Abstract
The invention discloses a kind of reciprocating pump of single actuated by cams single cylinder, including block, double acting cylinder, cylinder seat and cam, the double acting cylinder includes cylinder sleeve and piston rod, the cylinder sleeve is erected in cylinder seat, and the both ends of the cylinder sleeve offer oil inlet and outlet, and the piston rod is coaxially located in cylinder sleeve, and the piston rod both ends are stretched out outside cylinder sleeve, fixed cover is provided with piston on the piston rod, and cylinder sleeve is divided into two chambers by the piston, and the piston is slidably arranged in cylinder sleeve；The both ends of the piston rod are respectively symmetrically provided with block, the cam rotation is arranged between two blocks, the axis direction of the vertical cylinder sleeve in pivot center direction of the cam, the cam can drive two blocks to move, make piston rod along cylinder sleeve axis direction reciprocating linear displacement.The present invention provides a kind of reciprocating pump of single actuated by cams single cylinder, its simple structure, occupies little space, transmission efficiency.
Description
Technical field
The invention belongs to industrial gas-liquid transport field, more particularly to a kind of reciprocating pump of single actuated by cams single cylinder.
Background technology
Reciprocating pump is a kind of high pressure positive displacement pump as a kind of common fluid machinery, oilfield, and Aero-Space have
It is widely applied, reciprocating pump common at present is mostly that toggle reciprocating pump, hydraulic-driven reciprocating pump and cam mechanism are past
Multiple pump.
In current visible reciprocating pump scheme, when using cam mechanism driving reciprocating pump, often using two or more
The single-acting cylinder of the actuated by cams equal amount of quantity, by the design to cam rotational phase difference realize multiple single-acting cylinders according to
Secondary pump drainage, so as to reach the purpose of reciprocating pump continuous conveying.
The reciprocating pump of more actuated by cams single-acting cylinder structures in order to realize continuous work, it is necessary to multiple cams and cylinder, some
Occasion even needs multiple motors, causes that size is big, transmission efficiency is low, pressure flow stability is low, it is difficult to which popularization and application are at it
His accurate occasion.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of single actuated by cams single cylinder
Reciprocating pump, its simple structure, occupies little space, transmission efficiency.
Technical scheme：To achieve the above object, technical scheme is as follows：
A kind of reciprocating pump of single actuated by cams single cylinder, including block, double acting cylinder, cylinder seat and cam, the double acting cylinder
Including cylinder sleeve and piston rod, the cylinder sleeve is erected in cylinder seat, and the both ends of the cylinder sleeve offer oil inlet and outlet, the piston
Bar is coaxially located in cylinder sleeve, and the piston rod both ends are stretched out outside cylinder sleeve, and fixed cover is provided with piston on the piston rod, described
Cylinder sleeve is divided into two chambers by piston, and the piston is slidably arranged in cylinder sleeve；The both ends of the piston rod are respectively symmetrically set
Block is equipped with, the cam rotation is arranged between two blocks, the axis of the vertical cylinder sleeve in pivot center direction of the cam
Direction, the cam can drive two blocks to move, make piston rod along cylinder sleeve axis direction reciprocating linear displacement.
Further, the cam is complete rule circle, and the pivot of the cam is provided with camshaft, the cam
Eccentric shaft is set, and the diameter of the cam is equal with the distance between two blocks, and the camshaft is arranged on two blocks
Between line on；When the cam is rotated to two extreme positions, diameter line and cylinder sleeve where the camshaft axle center
Central axis is located in same level.
Further, the cylinder seat includes at least one supporting surface, and the cylinder seat is cyclic structure, and the cylinder seat and cylinder
Connected and set by screw thread pair between set, the cylinder seat is set by they sup-port.
Further, the piston is arranged on the centre position of piston rod, and the maximum displacement distance of the piston is equal to gear
Ultimate range of the block to cylinder sleeve end.
Further, check valve is provided with the oil inlet and outlet, the check valve includes the first dump valve, the first suction
Enter valve, the second dump valve and the second inlet valve, and first dump valve, the first inlet valve are arranged on one end of cylinder sleeve, it is described
Second dump valve, the second inlet valve are arranged on the other end of cylinder sleeve.
Beneficial effect：Advantages of the present invention is as follows：
(1) simple installation, reliable operation.Overall structure is simple, and operation is easy.
(2) principle is simple, strong adaptability.Cam rotation is only needed to drive block displacement, you can to carry out reciprocating motion of the pistons
The suction and discharge of liquid.
(3) pressure and flow can be changed by moving the cylinder body for filling different cylinder diameters and controlled motor rotating speed, without disassembling.
(4) pump drainage of the double acting cylinder is not influenceed by motor positive and inverse.
Brief description of the drawings
Accompanying drawing 1 is a kind of extreme position structural representation of the invention；
Accompanying drawing 2 is another extreme position structural representation of the invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 and 2, a kind of reciprocating pump of single actuated by cams single cylinder, including block 1, double acting cylinder 2, cylinder
Seat 3 and cam 4, the double acting cylinder 2 include cylinder sleeve 2-3 and piston rod 2-6, and the cylinder sleeve 2-3 is erected in cylinder seat 3, described
Cylinder sleeve 2-3 both ends offer oil inlet and outlet, and check valve in opposite direction is provided with the oil inlet and outlet, described unidirectional
Valve includes the first dump valve 2-2, the first inlet valve 2-1, the second dump valve 2-5 and the second inlet valve 2-4, and first discharge
Valve 2-2, the first inlet valve 2-1 are arranged on cylinder sleeve 2-3 one end, and the second dump valve 2-5, the second inlet valve 2-4 are arranged on
The cylinder sleeve 2-3 other end.The piston rod 2-6 is coaxially located in cylinder sleeve 2-3, and cylinder sleeve is stretched out at the piston rod 2-6 both ends
Outside 2-3, fixed cover is provided with piston on the piston rod 2-6, and cylinder sleeve 2-3 is divided into two chambers, the piston by the piston
It is slidably arranged in cylinder sleeve 2-3；The both ends of the piston rod 2-6 are respectively symmetrically provided with block 1, the block 1 and piston rod
2-6 is threadedly coupled, convenient disassembly, but also can carry out the fine setting of the distance between block and cam, and the cam 4 is rotatably arranged on
Between two blocks 1, the vertical cylinder sleeve 2-3 in pivot center direction of the cam 4 axis direction, the cam 4 can drive two
Block 1 moves, and makes piston rod 2-6 along cylinder sleeve 2-3 axis direction reciprocating linear displacements.Cam 4, which rotates, can drive the displacement of block 1,
Reciprocating motion of the pistons can be made to carry out the suction and discharge of liquid.
The cam 4 is complete rule circle, and the cam 4 is vertically arranged, and the pivot of the cam 4 is provided with convex
Wheel shaft 4-1, the camshaft 4-1 eccentric settings are simultaneously driven by motor, between the diameter of the cam 4 and two blocks 1
Apart from equal, i.e. the edge surface of cam 4 and left piece of 1-1 and right piece of 1-2 medial surface difference is tangent, and the camshaft 4-1 is set
On line between two blocks 1；When the cam 4-1 is rotated to two extreme positions, where the camshaft 4-1 axle center
Diameter line and cylinder sleeve 2-3 central axis be located in same level, i.e., the maximal margin of cam and minimum edge respectively with
Two blocks correspondingly, and in cam rotation, can be such that block 1 constantly moves, and stablize the liquid evacuation in cylinder sleeve, flow is equal
It is even, the occasion available for precision.
Operation principle：Such as accompanying drawing 1, the present invention is in limit on the right-right-hand limit position, i.e. camshaft 4-1 is away from left piece of 1-1 or the left side of cam 4
The distance at edge is minimum in the work period, and distances of the camshaft 4-1 away from right piece of 1-2 or the right side edge of cam 4 is the work period
When interior maximum, the left chamber of double acting cylinder 2 is that work period inner volume is maximum, and right chamber is that work period inner volume is minimum.Camshaft 4-1
Continue rotation (clockwise or counterclockwise), distances of the camshaft 4-1 away from left piece of 1-1 becomes larger, and promotes left piece of 1-1 to the left
Motion, and then pull piston rod 2-6 left chamber volume is gradually reduced in double acting cylinder 2, and left cavity fluid is forced through to left movement
First dump valve 2-2 is discharged, and right chamber volume gradually increases in double acting cylinder 2, and right cavity fluid is inhaled by the second inlet valve 2-4
Enter.Until work to limit on the left position as shown in Figure 2.
Such as accompanying drawing 2, the present invention is in limit on the left position, i.e. camshaft 4-1 away from left piece of 1-1 or the left side edge of cam 4 away from
From to be maximum in the work period, when distances of the camshaft 4-1 away from right piece of 1-2 or the right side edge of cam 4 is minimum in the work period,
The left chamber of double acting cylinder 2 is that work period inner volume is minimum, and right chamber is that work period inner volume is maximum.Camshaft 4-1 continues to rotate
(clockwise or counterclockwise), distances of the camshaft 4-1 away from right piece of 1-2 becomes larger, and promotes right piece of 2-2 to move right, enters
And pulling piston rod 2-6 to move right, left chamber volume gradually increases in double acting cylinder 2, and left cavity fluid passes through the first inlet valve
2-1 is sucked, and right chamber volume is gradually reduced in double acting cylinder 2, and right cavity fluid is forced through the second dump valve 2-5 discharges.Until
Work to limit on the left position as shown in Figure 1.
The cylinder seat 3 includes at least one, and the cylinder seat 3 be cyclic structure, and logical between the cylinder seat 3 and cylinder sleeve 2-3
Cross screw thread pair connection to set, the cylinder seat 3 is arranged on ground or platform by they sup-port.Increase the stability of cylinder sleeve,
And cylinder sleeve is fixed in cylinder seat, and anti-sliding stop, convenient disassembly in addition.
The piston is arranged on piston rod 2-6 centre position, and the maximum displacement distance of the piston is less than or equal to gear
Block 1 arrives the ultimate range of cylinder sleeve 2-3 inner ends.At the end-limit position of piston movement to cylinder sleeve, block also largest motion
To the position of cylinder sleeve outer end, the motion state of double acting cylinder can be clearly observed.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
- A kind of 1. reciprocating pump of single actuated by cams single cylinder, it is characterised in that：Including block (1), double acting cylinder (2), cylinder seat (3) and Cam (4), the double acting cylinder (2) include cylinder sleeve (2-3) and piston rod (2-6), and the cylinder sleeve (2-3) is erected at cylinder seat (3) On, the both ends of the cylinder sleeve (2-3) offer oil inlet and outlet, and the piston rod (2-6) is coaxially located in cylinder sleeve (2-3), And cylinder sleeve (2-3) is stretched out outside in piston rod (2-6) both ends, fixed cover is provided with piston, the piston on the piston rod (2-6) Cylinder sleeve (2-3) is divided into two chambers, the piston is slidably arranged in cylinder sleeve (2-3)；The both ends of the piston rod (2-6) Block (1) is respectively symmetrically provided with, the cam (4) is rotatably arranged between two blocks (1), the rotation of the cam (4) The axis direction of the vertical cylinder sleeve of axis direction (2-3), the cam (4) can drive two blocks (1) to move, make piston rod (2-6) Along cylinder sleeve (2-3) axis direction reciprocating linear displacement.
- A kind of 2. reciprocating pump of single actuated by cams single cylinder according to claim 1, it is characterised in that：The cam (4) is Complete rule circle, the pivot of the cam (4) are provided with camshaft (4-1), camshaft (4-1) eccentric setting, institute It is equal with the distance between two blocks (1) to state the diameter of cam (4), and the camshaft (4-1) is arranged on two blocks (1) Between line on；When cam (4-1) rotation is to two extreme positions, the diameter where camshaft (4-1) axle center The central axis of line and cylinder sleeve (2-3) is located in same level.
- A kind of 3. reciprocating pump of single actuated by cams single cylinder according to claim 1, it is characterised in that：Cylinder seat (3) bag Containing at least one, the cylinder seat (3) is cyclic structure, and is connected and set by screw thread pair between the cylinder seat (3) and cylinder sleeve (2-3) Put, the cylinder seat (3) is set by they sup-port.
- A kind of 4. reciprocating pump of single actuated by cams single cylinder according to claim 1, it is characterised in that：The piston is arranged on The centre position of piston rod (2-6), the maximum displacement distance of the piston are equal to the maximum that block (1) arrives cylinder sleeve (2-3) end Distance.
- A kind of 5. reciprocating pump of single actuated by cams single cylinder according to claim 1, it is characterised in that：At the oil inlet and outlet Check valve is provided with, the check valve includes the first dump valve (2-2), the first inlet valve (2-1), the second dump valve (2-5) With the second inlet valve (2-4), and first dump valve (2-2), the first inlet valve (2-1) are arranged on cylinder sleeve (2-3) one end, Second dump valve (2-5), the second inlet valve (2-4) are arranged on cylinder sleeve (2-3) other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948136.9A CN107762756B (en) | 2017-10-12 | 2017-10-12 | A kind of reciprocating pump of list actuated by cams single cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948136.9A CN107762756B (en) | 2017-10-12 | 2017-10-12 | A kind of reciprocating pump of list actuated by cams single cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762756A true CN107762756A (en) | 2018-03-06 |
| CN107762756B CN107762756B (en) | 2019-02-12 |
Family
ID=61266421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710948136.9A Active CN107762756B (en) | 2017-10-12 | 2017-10-12 | A kind of reciprocating pump of list actuated by cams single cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762756B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159448A (en) * | 1997-11-21 | 1999-06-15 | Yamato Boring Kk | Cam type pump |
| CN2433412Y (en) * | 2000-07-31 | 2001-06-06 | 庄凤令 | Superhigh pressure radial plunger pump |
| CN2434446Y (en) * | 2000-08-16 | 2001-06-13 | 梁国金 | Water pump |
| CN102345582A (en) * | 2011-10-10 | 2012-02-08 | 中国人民解放军第四军医大学 | Horizontally opposed dual-cylinder vacuum pump |
| WO2016097146A1 (en) * | 2014-12-18 | 2016-06-23 | Ge Healthcare Bio-Sciences Ab | Pump system for inline conditioning |
-
2017
- 2017-10-12 CN CN201710948136.9A patent/CN107762756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159448A (en) * | 1997-11-21 | 1999-06-15 | Yamato Boring Kk | Cam type pump |
| CN2433412Y (en) * | 2000-07-31 | 2001-06-06 | 庄凤令 | Superhigh pressure radial plunger pump |
| CN2434446Y (en) * | 2000-08-16 | 2001-06-13 | 梁国金 | Water pump |
| CN102345582A (en) * | 2011-10-10 | 2012-02-08 | 中国人民解放军第四军医大学 | Horizontally opposed dual-cylinder vacuum pump |
| WO2016097146A1 (en) * | 2014-12-18 | 2016-06-23 | Ge Healthcare Bio-Sciences Ab | Pump system for inline conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107762756B (en) | 2019-02-12 |
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