CN203348044U - Liquid conveying device - Google Patents
Liquid conveying device Download PDFInfo
- Publication number
- CN203348044U CN203348044U CN 201320316778 CN201320316778U CN203348044U CN 203348044 U CN203348044 U CN 203348044U CN 201320316778 CN201320316778 CN 201320316778 CN 201320316778 U CN201320316778 U CN 201320316778U CN 203348044 U CN203348044 U CN 203348044U
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- CN
- China
- Prior art keywords
- rotatable member
- reciprocating piston
- slip reciprocating
- volume
- delivery system
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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 utility model discloses and provides a liquid conveying device which is simple in structure, small in size, low in energy consumption and convenient to operate. The liquid conveying device comprises a cavity, at least one rotary driving element and at least one reciprocating element, wherein the rotary driving element and the reciprocating element are arranged in the cavity, rotation of the driving element can enable the reciprocating element to move axially to form a volume, so that liquid is sucked from the upstream side in the conveying direction or the liquid is conveyed to the downstream side to be discharged, and the end surface of the driving element and the end surface of the reciprocating element are respectively a curved surface with at least one convex part and at least one concave part. When the convex part of the driving element is located at the concave part of the reciprocating element, the driving element is attached to the reciprocating element. When the convex part of the driving element makes contact with the convex part of the reciprocating element, the reciprocating element moves axially to form the volume.
Description
Technical field
The utility model relates to a kind of fluid delivery system.
Background technique
Pump be controlled by prime mover, order about medium motion, be by the transformation of energy of prime mover output be pressure medium can energy conversion device.Pump is mainly used to carry liquid, comprises water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal etc.; The liquid that also can carry liquid, gaseous mixture and contain suspended solids.By working principle, can be divided three classes: 1, positive displacement pump, cause swept volume periodically increase and dwindle and suction liquid by the motion of workpiece, and directly make the pressure energy of liquid increase by the extruding of workpiece; 2, impeller pump is to drive the liquid at high speed revolution and mechanical energy is passed to carried liquid by impeller; 3, jet pump, be the high-speed jet driving fluid produced by working fluid, and then by momentum transfer, the energy of driven fluid is increased.Wherein, positive displacement pump has according to moving element structure difference: reciprocating pump, plunger pump, gear pump, screw pump, vane pump and water ring pump.At present, existing reciprocating pump all adopts hydraulic system to promote pistons work, this hydraulic type transfer pump is to drive liquor pump by pressure liquid injection pressure cylinder by power engine, promote piston movement by connecting rod, suction pumps that stream grain material moves in conveyance conduit and the conveying that realizes material, and plunger pump is to rely on plunger to-and-fro motion in cylinder body, make the volume of seal operation cavity volume change to realize oil suction, force feed, its plunger drives by the eccentric rotary of pump shaft, to-and-fro motion, it sucks and expulsion valve is all one-way valve, while drawing outside plunger, working room's internal pressure reduces, outlet valve cuts out, during lower than inlet pressure, inlet valve is opened, liquid enters, while pushing away in plunger, working room's pressure raises, inlet valve cuts out, during higher than outlet pressure, outlet valve is opened, liquid is discharged, when transmission shaft drives the cylinder body rotation, swash plate is pulled out plunger or pushes back from cylinder body, complete suction oil process, fluid in the work cavity volume that plunger and cylinder hole form by oil distribution casing respectively with the suction of pump, oil-discharging cavity communicates, stroking mechanism is used for changing the inclination angle of swash plate, can change pump delivery by the inclination angle of regulating swash plate, it is huge that above-mentioned two kinds of transfer pumps all exist system, equipment cost is high, energy consumption is high, its control section complexity, operate also cumbersome, this just exists certain inconvenience.
The model utility content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, volume is smaller, energy consumption is lower, easy to operate fluid delivery system is provided.
The technological scheme that the utility model adopts is: the end face of described active member and described reciprocal element is the curved surface with at least one jut and at least one depressed part, fit during in the depressed part of described reciprocal element when the protruding part of described active member, when the jut of described active member contacts with the jut of described reciprocal element, make described reciprocal element move axially rear formation volume.
Further, the end face of described active member and described reciprocal element is the curved surface with at least one jut and at least one depressed part, fit during in the depressed part of described reciprocal element when the protruding part of described active member, when the jut of described active member contacts with the jut of described reciprocal element, make described reciprocal element move axially rear formation volume.
Further, the end face of described active member and described reciprocal element is convex surface or concave curvatures, forms described volume when the top of described convex surface camber line contacts with the top camber line of described concave curvatures.
Further, described fluid delivery system comprises cylinder body, is positioned at the line shaft of described cylinder body, be successively set on from front to back the first rotatable member on described line shaft, the slip reciprocating piston suitable with described the first rotatable member reaches second rotatable member suitable with described slip reciprocating piston, described the first rotatable member is fixedly connected with described line shaft with described the second rotatable member, described slip reciprocating piston and described line shaft are slidably matched, be provided with suction port and the exhaust port of half-duplex channel on described cylinder body, described suction port is arranged on the cooperation place of described the first rotatable member and described slip reciprocating piston, described exhaust port is arranged on the cooperation place of described slip reciprocating piston and described the second rotatable member, be provided with half-duplex channel on described slip reciprocating piston, when described the first rotatable member and described slip reciprocating piston form volume from described suction port draw fluid, now described slip reciprocating piston and described the second rotatable member laminating, described slip reciprocating piston and described the second rotatable member are discharged from described exhaust port after fluid being pressed into to described half-duplex channel while forming volume, now described slip reciprocating piston and described the first rotatable member laminating.
Further, described slip reciprocating piston is slidably matched with keyway mode and described inboard wall of cylinder block, be respectively arranged with convex surface and concave curvatures on described slip reciprocating piston or described the first rotatable member and described the second rotatable member, form described volume when the top of described convex surface camber line contacts with the top camber line of described concave curvatures.
Further, described fluid delivery system comprises cylinder body, is positioned at the line shaft of described cylinder body, be successively set on from front to back the first rotatable member on described line shaft, the slip reciprocating piston suitable with described the first rotatable member reaches second rotatable member suitable with described slip reciprocating piston, described the first rotatable member is fixedly connected with described line shaft with described the second rotatable member, described slip reciprocating piston and described line shaft are slidably matched, be provided with suction port and exhaust port on described cylinder body, described suction port is arranged on described cylinder body by the end through described the first rotatable member, described exhaust port is arranged on the cooperation place of described slip reciprocating piston and described the second rotatable member, be provided with half-duplex channel on described the first rotatable member and described slip reciprocating piston, when described the first rotatable member and described slip reciprocating piston form volume from described suction port draw fluid, now described slip reciprocating piston and described the second rotatable member laminating, described slip reciprocating piston and described the second rotatable member are discharged from described exhaust port after fluid being pressed into to described half-duplex channel while forming volume, now described slip reciprocating piston and described the first rotatable member laminating.
The beneficial effects of the utility model are: the utility model makes the position of at least one reciprocal element move axially rear formation volume with the rotation of at least one active member, with the upstream side draw fluid from throughput direction or transport fluid into downstream side and discharge, specifically, the end face of described active member and described reciprocal element is convex surface or concave curvatures, when contacting with the top camber line of described concave curvatures, the top of described convex surface camber line forms described volume, with existing plunger pump, compare, the utility model can save the cam mechanism of original swash plate and annex and can finish the work, by two elements being accomplished to the same conveying function that can realize pump on axially, can simplify result, can dwindle the volume of product, thereby make the utility model simple in structure, volume is smaller, energy consumption is lower, easy to operate.
The accompanying drawing explanation
Fig. 1 is before the utility model embodiment one work and the structural representation while discharging;
Fig. 2 is after the utility model embodiment one work and the structural representation while sucking;
Fig. 3 is before the utility model embodiment two work and the structural representation while discharging;
Fig. 4 is after the utility model embodiment two work and the structural representation while sucking; .
Embodiment
The utility model forms volume after making the position of a reciprocal element move axially with the rotation of two active members in same cavity, with the upstream side draw fluid from throughput direction or transport fluid into downstream side and discharge, the end face of described active member and described reciprocal element is the curved surface with at least one jut and at least one depressed part, when the protruding part of described active member, fit during in the depressed part of described reciprocal element, when contacting with the jut of described reciprocal element, the jut of described active member can form volume, as preferred version, the end face of described active member and described reciprocal element is convex surface or concave curvatures, when contacting with the top camber line of described concave curvatures, the top of described convex surface camber line forms described volume.Describe the technical solution of the utility model in detail below in conjunction with specific embodiment.
Embodiment one:
As shown in Figure 1 and Figure 2, described fluid delivery system comprises cylinder body 1, is positioned at the line shaft 2 of described cylinder body 1, be successively set on from front to back the first rotatable member 32 on described line shaft 2, the slip reciprocating piston 4 suitable with described the first rotatable member 32 reaches second rotatable member 33 suitable with described slip reciprocating piston 4, described the first rotatable member 32 all is connected and synchronizes rotation with described line shaft 2 with the second rotatable member 33, described slip reciprocating piston 4 is slidably matched with described line shaft 2, be provided with half-duplex channel on described slip reciprocating piston 4, be provided with suction port 10 and exhaust port 11 with half-duplex channel on described cylinder body 1, described suction port 10 is arranged on the cooperation place of described the first rotatable member 32 and described slip reciprocating piston 4, described exhaust port 11 is arranged on the cooperation place of described slip reciprocating piston 4 and described the second rotatable member 33, after starting working, the previous cycle, described the first rotatable member 32 forms volume from described suction port 10 draw fluid with described slip reciprocating piston 4, now described slip reciprocating piston 4 is fitted with described the second rotatable member 33, rear one-period, pressure is opened described half-duplex channel, fluid is carried to conveyance direction downstream side, described slip reciprocating piston 4 forms volume with described the second rotatable member 33 fluid is discharged from described exhaust port 11, now described slip reciprocating piston 4 is fitted with described the first rotatable member 32, described slip reciprocating piston 4 is slidably matched with keyway mode and described cylinder body 1 inwall, be, on described cylinder body 1, key 12 is set, be provided with the groove that holds described key 12 on described slip reciprocating piston 4, the two ends of described slip reciprocating piston 4 are convex surface 102, on described the first rotatable member 32 and described the second rotatable member 33, be respectively arranged be mutually 90 ° and with the suitable concave curvatures 101 of described convex surface 102, vice versa, when contacting with 101 top camber lines of described concave curvatures, the top of described convex surface 102 camber line forms described volume 5, periodic duty realizes the variation of volume and so forth, in addition, in order to prevent revealing, be provided with seal ring 7 between the circumferential surface of described rotatable member 3 and described the first rotatable member 32 and described the second rotatable member 33 and described cylinder body 1 inwall.
Embodiment two:
As Fig. 3, shown in Fig. 4, the present embodiment and embodiment one are roughly the same, different is, be provided with suction port 10 and exhaust port 11 on described cylinder body 1, described exhaust port 11 is arranged on the cooperation place of described slip reciprocating piston 4 and described the second rotatable member 33, described exhaust port 11 places are provided with the half-duplex channel that can get rid of from inside to outside fluid and can reverse reflux, and described suction port 10 is arranged on the end of described cylinder body 1 one ends, and arrange on described the first rotatable member 32 and can make fluid from outside enter in described cylinder body 1 and the half-duplex channel that can oppositely not flow out, can guarantee that like this fluid is that linear type enters, other and embodiment one are consistent.
In addition, in the above embodiments, the end face of described active member and described reciprocal element not only can adopt convex surface or concave curvatures, also can adopt other face, such as inclined-plane or special-shaped curved etc., and, all adopt the mode of sidepiece work in above-described embodiment, in fact also can adopt linear fashion, for example suction port and exhaust port are arranged on the active original paper or reciprocal element at two ends, and correspondence arranges half-duplex channel, the foregoing is only preferred embodiment of the present utility model, be not meant to limit the utility model, for a person skilled in the art, the utility model can have various modifications and variations, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improve etc., within all should being included in protection domain of the present utility model, such as can be by similar and different embodiment's combination etc.
Claims (6)
1. a fluid delivery system, it is characterized in that: described fluid delivery system comprises cavity, be arranged on active member and at least one reciprocal element of at least one rotation in described, the rotation of described active member can make the position of described reciprocal element move axially rear formation volume, with the upstream side draw fluid from throughput direction or transport fluid into downstream side and discharge.
2. fluid delivery system according to claim 1, it is characterized in that: the end face of described active member and described reciprocal element is the curved surface with at least one jut and at least one depressed part, fit during in the depressed part of described reciprocal element when the protruding part of described active member, when the jut of described active member contacts with the jut of described reciprocal element, make described reciprocal element move axially rear formation volume.
3. fluid delivery system according to claim 2, it is characterized in that: the end face of described active member and described reciprocal element is convex surface or concave curvatures, forms described volume when the top of described convex surface camber line contacts with the top camber line of described concave curvatures.
4. fluid delivery system according to claim 1, it is characterized in that: described fluid delivery system comprises cylinder body, is positioned at the line shaft of described cylinder body, be successively set on from front to back the first rotatable member on described line shaft, the slip reciprocating piston suitable with described the first rotatable member reaches second rotatable member suitable with described slip reciprocating piston, described the first rotatable member is fixedly connected with described line shaft with described the second rotatable member, described slip reciprocating piston and described line shaft are slidably matched, be provided with suction port and the exhaust port of half-duplex channel on described cylinder body, described suction port is arranged on the cooperation place of described the first rotatable member and described slip reciprocating piston, described exhaust port is arranged on the cooperation place of described slip reciprocating piston and described the second rotatable member, be provided with half-duplex channel on described slip reciprocating piston, when described the first rotatable member and described slip reciprocating piston form volume from described suction port draw fluid, now described slip reciprocating piston and described the second rotatable member laminating, described slip reciprocating piston and described the second rotatable member are discharged from described exhaust port after fluid being pressed into to described half-duplex channel while forming volume, now described slip reciprocating piston and described the first rotatable member laminating.
5. fluid delivery system according to claim 4, it is characterized in that: described slip reciprocating piston is slidably matched with keyway mode and described inboard wall of cylinder block, be respectively arranged with convex surface and concave curvatures on described slip reciprocating piston or described the first rotatable member and described the second rotatable member, form described volume when the top of described convex surface camber line contacts with the top camber line of described concave curvatures.
6. fluid delivery system according to claim 1, it is characterized in that: described fluid delivery system comprises cylinder body, is positioned at the line shaft of described cylinder body, be successively set on from front to back the first rotatable member on described line shaft, the slip reciprocating piston suitable with described the first rotatable member reaches second rotatable member suitable with described slip reciprocating piston, described the first rotatable member is fixedly connected with described line shaft with described the second rotatable member, described slip reciprocating piston and described line shaft are slidably matched, be provided with suction port and exhaust port on described cylinder body, described suction port is arranged on described cylinder body by the end through described the first rotatable member, described exhaust port is arranged on the cooperation place of described slip reciprocating piston and described the second rotatable member, be provided with half-duplex channel on described the first rotatable member and described slip reciprocating piston, when described the first rotatable member and described slip reciprocating piston form volume from described suction port draw fluid, now described slip reciprocating piston and described the second rotatable member laminating, described slip reciprocating piston and described the second rotatable member are discharged from described exhaust port after fluid being pressed into to described half-duplex channel while forming volume, now described slip reciprocating piston and described the first rotatable member laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316778 CN203348044U (en) | 2013-06-04 | 2013-06-04 | Liquid conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316778 CN203348044U (en) | 2013-06-04 | 2013-06-04 | Liquid conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348044U true CN203348044U (en) | 2013-12-18 |
Family
ID=49747953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320316778 Expired - Fee Related CN203348044U (en) | 2013-06-04 | 2013-06-04 | Liquid conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348044U (en) |
-
2013
- 2013-06-04 CN CN 201320316778 patent/CN203348044U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140604 |