CN103216430B - Can three chamber diaphragm pumps of quick adjustment main shaft - Google Patents
Can three chamber diaphragm pumps of quick adjustment main shaft Download PDFInfo
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- CN103216430B CN103216430B CN201310159436.0A CN201310159436A CN103216430B CN 103216430 B CN103216430 B CN 103216430B CN 201310159436 A CN201310159436 A CN 201310159436A CN 103216430 B CN103216430 B CN 103216430B
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- main shaft
- pump housing
- tail
- hood
- eccentric bushing
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Abstract
The invention provides a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it comprises housing, the pump housing be arranged in housing, main shaft, eccentric bushing and wheel disc, and its middle shell comprises the side plate be fixedly connected with the pump housing and the tail-hood being connected to side plate tail end; The center that the tail end of main shaft runs through tail-hood is connected with motor, and its head end can be arranged on the chute of the pump housing along main shaft with axial motion by bearing, and main shaft is fixedly connected with by straight pin with eccentric bushing, and wheel disc is fixedly connected with eccentric bushing by bearing; Wheel disc is connected with the ball-type axle be arranged on the pump housing simultaneously, and described tail-hood is integral type tail-hood; The bearing of described main shaft head end is fixedly arranged on one can along on the slide block of main shaft axial motion, and the axial screw thread along main shaft on the described pump housing is connected with adjusting screw, and the tail end of described adjusting screw pushes against on described slide block through the pump housing.Compared to prior art, structure of the present invention is simple, improves the efficiency of assembling of three chamber diaphragm pumps, uses more reliable.
Description
Technical field
The present invention relates to the three chamber diaphragm pumps used in a kind of plant protection, especially relate to a kind of can three chamber diaphragm pumps of quick adjustment main shaft.
Background technique
The applicant discloses a kind of three chamber diaphragm pumps in another Chinese utility model patent CN202468238U, it comprises housing, the pump housing be connected with housing, is arranged on the inlet channel in the pump housing and water outlet, at least two cavitys are provided with, the main shaft be connected with motor in housing; Main shaft is connected with eccentric bushing, and wheel disc is fixedly connected with eccentric bushing by bearing; Wheel disc is connected with the ball-type axle in cavity simultaneously, and ball-type axle is connected with cavity sliding sleeve by cavity lining, and centre has cavity spacer to separate; The driving mandrel of hollow is arranged in the middle part of cavity, and barrier film is fixed on the top driving mandrel, and the large end face of barrier film is clamped by left and right valve body and the pump housing; In housing, fill hydraulic oil, the hydraulic oil in cavity is then divided into inside and outside Two Areas by cavity spacer.Disclosed in this patent, three chamber diaphragm pumps solve the problem brought containing electrophotographic liquid well, and can reach higher hydraulic pressure and flow, meet the usage requirement of the other fields such as domestic plant protection and disinfecting.
But, in three chamber diaphragm pumps disclosed in this patent, housing comprises the side plate be fixedly connected with the pump housing, side plate tail end is fixedly connected with tail-hood, tail-hood comprises the large lid with center hole and the tegillum be sheathed on large lid center hole, tegillum is connected with great Gai by multiple adjusting bolts of periphery, also pad is provided with between large lid and tegillum, eccentric bushing is fixedly connected on little covering by bearing, the center that the tail end of main shaft runs through tegillum is connected with motor, and its head end can be arranged on the chute of the pump housing by bearing with moving vertically.By screwing and unscrewing adjusting bolt, the adjustment of axial motion can be carried out to main shaft, thus eccentric sleeves and wheel disc, cooperate degree between ball-type axle and the pump housing, to reach the optimum Working of three chamber diaphragm pumps.Such spindle adjusting mechanism, because needs regulate multiple bolt simultaneously, and multiple bolt distance alignment of shafts is far away, regulate difficulty larger, regulating time is long, and usually tegillum generation inclination or bolt are twisted too tight after adjustment, cause spindle speed to decline even stuck, need again constantly to debug, bring great trouble to the assembling of three chamber diaphragm pumps and use.
Therefore, be necessary in fact to develop a kind of can three chamber diaphragm pumps of quick adjustment main shaft, avoid assembling the defect that the stuck and rotating speed of rear main shaft declines, reduce the installation time of three chamber diaphragm pumps.
Summary of the invention
In view of this, the object of this invention is to provide a kind of can three chamber diaphragm pumps of quick adjustment main shaft, avoid assembling the defect that the stuck and rotating speed of rear main shaft declines, improve the efficiency of assembling of three chamber diaphragm pumps.
In order to achieve the above object, the invention provides a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it comprises housing, the pump housing be arranged in housing, main shaft, eccentric bushing and wheel disc, and its middle shell comprises the side plate be fixedly connected with the pump housing and the tail-hood being connected to side plate tail end; The center that the tail end of main shaft runs through tail-hood is connected with motor, and its head end can be arranged on the chute of the pump housing along main shaft with axial motion by bearing, and main shaft is fixedly connected with by straight pin with eccentric bushing, and wheel disc is fixedly connected with eccentric bushing by bearing; Wheel disc is connected with the ball-type axle be arranged on the pump housing simultaneously, it is characterized in that: described tail-hood is integral type tail-hood; The bearing of described main shaft head end is fixedly arranged on one can along on the slide block of main shaft axial motion, and the axial screw thread along main shaft on the described pump housing is connected with adjusting screw, and the tail end of described adjusting screw pushes against on described slide block through the pump housing.
Preferably, described slide block is arranged with the bearing of described main shaft head end is concentric.More preferably, the cross section external frame of described slide block is identical with the bearing of described main shaft head end.
Preferably, described slide block can be arranged in described chute axially slidably along main shaft.More preferably, the sidewall of described slide block and described chute is provided with Sealing and is tightly connected.
Preferably, described main shaft has limit self vertically to the limit structure of described shell extracorporeal movement.
Preferably, described limit structure is ledge structure, and described main shaft is arranged in described eccentric bushing, and described ledge structure is arranged on described eccentric bushing.
More preferably, described main shaft is reducing structure, and described main shaft stretches out along enclosure interior and has large footpath section and path section successively, and the diameter of large footpath section is greater than path section, and the joint of large footpath section and path section forms described ledge structure.
Best, have the different diameter hole suitable with the reducing structure of described main shaft in described eccentric bushing, described ledge structure is arranged in described different diameter hole.
Compared to prior art, the present invention is owing to adopting integral type tail-hood, structure is more simple, and the installation of main shaft and tail-hood part becomes very easy, after main shaft installation, only need by regulating the adjusting screw on the pump housing, adjusting screw promote slide block and on bearing and main shaft, realize the more convenient adjustment to main shaft axial position, avoid assembling the defect that the stuck and rotating speed of rear main shaft declines, reduce the installation time of three chamber diaphragm pumps, improve efficiency of assembling.Further, by the spindle adjusting mechanism of improvement and the main shaft self structure of improvement, improve the operational safety of three chamber diaphragm pumps.
Accompanying drawing explanation
Fig. 1 is that the present invention can the structural representation of three chamber diaphragm pumps of quick adjustment main shaft.
In accompanying drawing: 1, housing; 2, the pump housing; 3, main shaft; 4, eccentric bushing; 5, straight pin; 6, wheel disc; 7, bearing; 8, ball-type axle; 9, side plate; 10, tail-hood; 11, bearing; 12, chute; 13, slide block; 14, adjusting screw; 15, Sealing.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
Refer to Fig. 1, the invention provides a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it comprises housing 1, the pump housing 2 be arranged in housing 1, main shaft 3, eccentric bushing 4 and wheel disc 6, and its middle shell 1 comprises the side plate 9 be fixedly connected with the pump housing 2 and the tail-hood 10 being connected to side plate 9 tail end.
The center that the tail end of main shaft 3 runs through tail-hood 10 is connected with motor, its head end axially can be arranged on the chute 12 of the pump housing 2 along main shaft 3 by bearing 11 with seesawing, main shaft 3 is fixedly connected with by straight pin 5 with eccentric bushing 4, and wheel disc 6 is fixedly connected with eccentric bushing 4 by bearing 7.Wheel disc 6 is connected with the ball-type axle 8 be arranged on the pump housing 2 simultaneously.
Described tail-hood 10 is integral type tail-hood, the bearing 11 of described main shaft 3 head end is fixedly arranged on one can along on the slide block 13 of main shaft 3 axial motion, axial screw thread along main shaft 3 on the described pump housing 2 is connected with adjusting screw 14, and the tail end of described adjusting screw 14 pushes against on described slide block 13 through the pump housing 2.
Described slide block 13 is arranged with the bearing 11 of described main shaft 3 head end is concentric, and the cross section external frame of described slide block 13 is identical with the bearing 11 of described main shaft 3 head end.Described slide block 13 can be arranged in described chute 12 along main shaft 3 axially slidably, and described slide block 13 is provided with Sealing 15 with the sidewall of described chute 12 and is tightly connected.
Described main shaft 3 also has and limits self vertically to the limit structure of described shell extracorporeal movement, described limit structure is ledge structure, described main shaft 3 is reducing structure, described main shaft 3 stretches out along enclosure interior and has large footpath section and path section successively, the diameter of large footpath section is greater than path section, and the joint of large footpath section and path section forms described ledge structure.Have the different diameter hole suitable with the reducing structure of described main shaft 3 in described eccentric bushing 4, described ledge structure is arranged in the different diameter hole of described eccentric bushing 4.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. can three chamber diaphragm pumps of quick adjustment main shaft, it comprises housing, the pump housing be arranged in housing, main shaft, eccentric bushing and wheel disc, and its middle shell comprises the side plate be fixedly connected with the pump housing and the tail-hood being connected to side plate tail end; The center that the tail end of main shaft runs through tail-hood is connected with motor, and its head end can be arranged on the chute of the pump housing along main shaft with axial motion by bearing, and main shaft is fixedly connected with by straight pin with eccentric bushing, and wheel disc is fixedly connected with eccentric bushing by bearing; Wheel disc is connected with the ball-type axle be arranged on the pump housing simultaneously, it is characterized in that: described tail-hood is integral type tail-hood; The bearing of described main shaft head end is fixedly arranged on one can along on the slide block of main shaft axial motion, and the axial screw thread along main shaft on the described pump housing is connected with adjusting screw, and the tail end of described adjusting screw pushes against on described slide block through the pump housing; Described main shaft has and limits self vertically to the limit structure of described shell extracorporeal movement, described limit structure is ledge structure, and described main shaft is arranged in described eccentric bushing, and described ledge structure is arranged on described eccentric bushing; Described main shaft is reducing structure, and described main shaft stretches out along enclosure interior and has large footpath section and path section successively, and the diameter of large footpath section is greater than path section, and the joint of large footpath section and path section forms described ledge structure; Have the different diameter hole suitable with the reducing structure of described main shaft in described eccentric bushing, described ledge structure is arranged in described different diameter hole.
2. according to claim 1 a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it is characterized in that: described slide block is arranged with the bearing of described main shaft head end is concentric.
3. according to claim 2 a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it is characterized in that: the cross section external frame of described slide block is identical with the bearing of described main shaft head end.
4. a kind of according to claim 1,2 or 3 any one can three chamber diaphragm pumps of quick adjustment main shaft, it is characterized in that: described slide block can be arranged in described chute axially slidably along main shaft.
5. according to claim 4 a kind of can three chamber diaphragm pumps of quick adjustment main shaft, it is characterized in that: the sidewall of described slide block and described chute is provided with Sealing and is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159436.0A CN103216430B (en) | 2013-05-03 | 2013-05-03 | Can three chamber diaphragm pumps of quick adjustment main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159436.0A CN103216430B (en) | 2013-05-03 | 2013-05-03 | Can three chamber diaphragm pumps of quick adjustment main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216430A CN103216430A (en) | 2013-07-24 |
| CN103216430B true CN103216430B (en) | 2015-12-23 |
Family
ID=48814506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310159436.0A Expired - Fee Related CN103216430B (en) | 2013-05-03 | 2013-05-03 | Can three chamber diaphragm pumps of quick adjustment main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216430B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865702A (en) * | 2006-06-21 | 2006-11-22 | 王明显 | Multi-stage diaphragm pump |
| CN202468238U (en) * | 2012-03-23 | 2012-10-03 | 苏州稼乐植保机械科技有限公司 | Three-cavity diaphragm pump |
| CN102990019A (en) * | 2012-11-29 | 2013-03-27 | 燕山大学 | Crystallizer-oscillated eccentric mechanism without radial clearance |
-
2013
- 2013-05-03 CN CN201310159436.0A patent/CN103216430B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865702A (en) * | 2006-06-21 | 2006-11-22 | 王明显 | Multi-stage diaphragm pump |
| CN202468238U (en) * | 2012-03-23 | 2012-10-03 | 苏州稼乐植保机械科技有限公司 | Three-cavity diaphragm pump |
| CN102990019A (en) * | 2012-11-29 | 2013-03-27 | 燕山大学 | Crystallizer-oscillated eccentric mechanism without radial clearance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216430A (en) | 2013-07-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |