CN208073693U - Push and pull cam-type positive displacement pump - Google Patents
Push and pull cam-type positive displacement pump Download PDFInfo
- Publication number
- CN208073693U CN208073693U CN201820527216.7U CN201820527216U CN208073693U CN 208073693 U CN208073693 U CN 208073693U CN 201820527216 U CN201820527216 U CN 201820527216U CN 208073693 U CN208073693 U CN 208073693U
- Authority
- CN
- China
- Prior art keywords
- cam
- limit hole
- adjusting
- fixed link
- piston rod
- 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 - Fee Related
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The utility model provides a kind of push-and-pull cam-type positive displacement pump, including the pump housing, piston, fixed link and cam mechanism, pump housing upper and lower sides have water inlet and water outlet, are internally provided with pump chamber；Piston is set to by piston rod cooperation in pump chamber；Piston rod passes through the pump housing, is slidably connected with fixed link, and piston rod surface is arranged with adjusting protrusion；The surface of fixed link is arranged with connection bump；Cam mechanism includes cam, transmission gear, driving motor, connecting rod and regulation handle；Regulation handle is in U-typed, and opening both ends are rotatablely connected with two connection bumps respectively, and both sides are arranged with adjusting limit hole；It adjusts limit hole to be limited in adjusting protrusion wherein, the distance of adjusting limit hole one end to connection bump is less than the other end to the distance of connection bump.The utility model is steadily changed the volume of pump chamber by novel camshaft mechanism, ensures the efficient and stability of fluid input；Structure novel, manufacture it is at low cost, suitable for being widely used to promote.
Description
Technical field
The utility model belongs to pump valve field, and in particular to a kind of push-and-pull cam-type positive displacement pump.
Background technology
Positive displacement pump refers to conveying the pump of liquid using the variation of pumping cylinder internal volume, such as reciprocating pump, impeller pump and screw rod
Pump etc..All there is the defect that structure is complex, volume is big and rotating speed is low in existing positive displacement pump, import current positive displacement pump and exist
It is pumped into relatively low in the efficiency of fluid.
Therefore, a kind of novel displacement pump type ability that being pumped into hydraulic efficiency and can be protected is developed in view of the above problems
Field technique personnel institute urgent need to solve the problem.
Invention content
To solve the above problems, the utility model discloses a kind of push-and-pull cam-type positive displacement pumps.
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of push-and-pull cam-type positive displacement pump, including the pump housing, piston, fixed link and cam mechanism, above and below the surface of the pump housing
Side has water inlet and water outlet, is internally provided with the columnar pump chamber of horizontal circle；Piston is set to pump chamber by piston rod cooperation
In；Piston rod passes through the pump housing, is slidably connected with fixed link, and the surface of piston rod is arranged with adjusting protrusion；It is fixed
The surface of bar is arranged with connection bump；The position of connection bump is corresponding with the position for adjusting protrusion；Cam mechanism includes convex
Wheel, transmission gear, driving motor, connecting rod and regulation handle；Cam is horizontally placed on fixed link far from piston rod side, side
Edge is equipped with a circle cam tracks；Guiding tooth is equipped on the inside of cam tracks；The output shaft axial restraint of transmission gear and driving motor,
And it is meshed with guiding tooth；The both ends of connecting rod are rotatablely connected with transmission gear and regulation handle respectively；Regulation handle is in " U "
Type, opening both ends are rotatablely connected with two connection bumps respectively, and both sides are arranged with adjusting limit hole；Adjust the position of limit hole
Set with adjust protrusion it is corresponding, and by adjust protrusion be limited in the one end to the connection bump that wherein adjust limit hole distance it is small
In adjust limit hole the other end to connection bump distance.
Preferably, it is that arc is poroid to adjust limit hole, the center of circle of place circle is located at connection bump and adjusts protrusion
On the extended line of line.
Preferably, driving motor is servo motor, and it is connected with servo-driver.
Preferably, water inlet and water outlet, which are respectively cooperating with, is equipped with inlet valve and outlet valve；Inlet valve and go out
Water valve is servo valve, and the same servo-driver is connected to driving motor.
The utility model compared with prior art, by novel camshaft mechanism is steadily changed the volume of pump chamber,
Ensure the efficient and stability of fluid input；Structure novel, manufacture it is at low cost, suitable for being widely used to promote.
Description of the drawings
The structural schematic diagram of Fig. 1, the utility model；
The scheme of installation of cam mechanism in Fig. 2, the utility model；
The structural schematic diagram of Fig. 3, the utility model fixed link and piston rod junction.
Reference numerals list：The pump housing 1, fixed link 3, water inlet 4, water outlet 5, piston rod 6, adjusts protrusion 7, connects piston 2
It connects protrusion 8, cam 9, transmission gear 10, driving motor 11, connecting rod 12, regulation handle 13, cam tracks 14, adjust limit hole
15, inlet valve 16, outlet valve 17.
Specific implementation mode
Technical solution provided by the utility model is described in detail below with reference to specific embodiment, it should be understood that following
Specific implementation mode is merely to illustrate the utility model rather than limitation the scope of the utility model.
It is the structural schematic diagram of the utility model as shown in Figure 1, the utility model is a kind of push-and-pull cam-type positive displacement pump, packet
Include the pump housing 1, piston 2, fixed link 3 and cam mechanism.
The surface upper and lower sides of the pump housing 1 have water inlet 4 and water outlet 5, and water inlet 4 and water outlet 5 are respectively cooperating with
Inlet valve 16 and outlet valve 17 are installed, the pump housing 1 is internally provided with the columnar pump chamber of horizontal circle；Piston 2 is coordinated by piston rod 6
In pump chamber；Piston rod 6 passes through the pump housing 1, is slidably connected with fixed link 3, and the surface of piston rod 6 is arranged with tune
Section protrusion 7；The surface of fixed link 3 is arranged with connection bump 8；The position of connection bump 8 is opposite with the position for adjusting protrusion 7
It answers.
Such as Fig. 2, cam mechanism includes cam 9, transmission gear 10, driving motor 11, connecting rod 12 and regulation handle 13；It is convex
Wheel 9 is horizontally placed on fixed link 3 far from 6 side of piston rod, and edge is equipped with a circle cam tracks 14；14 inside of cam tracks is set
There is guiding tooth；The output shaft axial restraint of transmission gear 10 and driving motor 11, and be meshed with guiding tooth；The both ends of connecting rod 12
It is rotatablely connected respectively with transmission gear 10 and regulation handle 13；Such as Fig. 3, regulation handle 13 is in U-typed, opening both ends difference
It is rotatablely connected with two connection bumps 8, both sides, which are arranged with, adjusts limit hole 15；It is that arc is poroid to adjust limit hole 15, institute
It is located on extended line of the connection bump 8 with the line for adjusting protrusion 7 in the round center of circle, position and the adjusting for adjusting limit hole 15 are convex
It rises 7 corresponding, and the distance for adjusting protrusion 7 and being limited in the one end to the connection bump that wherein adjust limit hole 15 is less than and is adjusted
The other end of limit hole 15 to connection bump 8 distance.
The above driving motor 11 is servo motor, and is connected with servo-driver, and inlet valve 16 and outlet valve 17 are
Servo valve is connected to the same servo-driver with driving motor 11.
Finally, it should be noted that above example being merely intended for describing the technical solutions of the present application, but not for limiting the present application property skill
Art scheme, it will be understood by those of ordinary skill in the art that, those are modified or wait to the technical solution of the utility model
With replacing, without departing from the objective and range of the technical program, should all cover in the right of the utility model.
Claims (4)
1. a kind of push-and-pull cam-type positive displacement pump, including the pump housing（1）, piston（2）, fixed link（3）And cam mechanism, feature exist
In：The pump housing（1）Surface upper and lower sides have water inlet（4）With water outlet（5）, it is internally provided with the columnar pump of horizontal circle
Chamber；The piston（2）Pass through piston rod（6）Cooperation is set in pump chamber；The piston rod（6）Across the pump housing（1）, with fixed link
（3）Sliding connection, and piston rod（6）Surface be arranged with adjusting protrusion（7）；The fixed link（3）Surface pair
Claim to be equipped with connection bump（8）；The connection bump（8）Position with adjust protrusion（7）Position it is corresponding；The cam mechanism
Including cam（9）, transmission gear（10）, driving motor（11）, connecting rod（12）And regulation handle（13）；The cam（9）Water
It is flat to be set to fixed link（3）Far from piston rod（6）Side, edge are equipped with a circle cam tracks（14）；The cam tracks
（14）Inside is equipped with guiding tooth；The transmission gear（10）With driving motor（11）Output shaft axial restraint, and and guiding tooth
It is meshed；The connecting rod（12）Both ends respectively with transmission gear（10）And regulation handle（13）Rotation connection；The adjusting
Handle（13）In U-typed, opening both ends respectively with two connection bumps（8）Rotation connection, both sides are arranged with adjusting limit
Hole（15）；The adjusting limit hole（15）Position with adjust protrusion（7）It is corresponding, and protrusion will be adjusted（7）It is limited in wherein,
Adjust limit hole（15）One end to connection bump distance be less than adjust limit hole（15）The other end to connection bump（8）'s
Distance.
2. a kind of push-and-pull cam-type positive displacement pump according to claim 1, it is characterised in that：The adjusting limit hole（15）For
Arc is poroid, and the center of circle of place circle is located at connection bump（8）It is raised with adjusting（7）Line extended line on.
3. a kind of push-and-pull cam-type positive displacement pump according to claim 1, it is characterised in that：The driving motor（11）To watch
Motor is taken, and is connected with servo-driver.
4. a kind of push-and-pull cam-type positive displacement pump according to claim 3, it is characterised in that：The water inlet（4）And go out
The mouth of a river（5）It is respectively cooperating with and inlet valve is installed（16）And outlet valve（17）；The inlet valve（16）And outlet valve（17）?
For servo valve, with driving motor（11）It is connected to the same servo-driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820527216.7U CN208073693U (en) | 2018-04-13 | 2018-04-13 | Push and pull cam-type positive displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820527216.7U CN208073693U (en) | 2018-04-13 | 2018-04-13 | Push and pull cam-type positive displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073693U true CN208073693U (en) | 2018-11-09 |
Family
ID=64041394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820527216.7U Expired - Fee Related CN208073693U (en) | 2018-04-13 | 2018-04-13 | Push and pull cam-type positive displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197561A (en) * | 2019-12-31 | 2020-05-26 | 无锡市东亚泵业有限公司 | Reciprocating plunger pump |
-
2018
- 2018-04-13 CN CN201820527216.7U patent/CN208073693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197561A (en) * | 2019-12-31 | 2020-05-26 | 无锡市东亚泵业有限公司 | Reciprocating plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |