CN203067203U - High-power radial plunger pump - Google Patents
High-power radial plunger pump Download PDFInfo
- Publication number
- CN203067203U CN203067203U CN 201320084582 CN201320084582U CN203067203U CN 203067203 U CN203067203 U CN 203067203U CN 201320084582 CN201320084582 CN 201320084582 CN 201320084582 U CN201320084582 U CN 201320084582U CN 203067203 U CN203067203 U CN 203067203U
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- Prior art keywords
- plunger
- housing
- liquid
- communicated
- cam
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Abstract
The utility model relates to the field of machinery, in particular to a high-power radial plunger pump which is small in volume, simple in structure, convenient for machining, long in service life and low in cost. The high-power radial plunger pump comprises a shell with a cavity therein, wherein a liquid sucking port communicated with the cavity is formed on the shell; and the structural point of the high-power radial plunger pump is that a cam is arranged in the middle of the shell through a rotating shaft; plungers are arranged on the cam through pull rings; the end part of each plunger is arranged inside a plunger cylinder; a liquid inlet communicated with the cavity is formed on the end part of each plunger cylinder; a liquid sucking valve is arranged inside each liquid inlet; a first hollow trunnion and a second hollow trunnion which are matched with the shell are arranged on the two sides of each plunger cylinder; annular high pressure chambers are formed inside the shell; the first hollow trunnions of all the plunger cylinders are communicated with the annular high pressure chambers; liquid draining valves are arranged inside the first hollow trunnions and correspond to the annular high pressure chambers; and liquid outlets communicated with the annular high pressure chambers are formed on the surface of the shell.
Description
Technical field
The utility model belongs to mechanical field, and specifically, the utility model relates to a kind of high-power radial plunger pump.
Background technique
It is horizontal that the existing high-pressure high-flow diaphragm pump of producing both at home and abroad is the three-throw crankshaft plunger case, or the two-throw crank shaft plunger case is horizontal.Because plunger case adopts horizontally, just causes bent axle strong point span excessive, effectively export the size that just must strengthen crankshaft journal and other associated components for guaranteeing power.Therefore adopt the equipment volume of this kind mode of structure excessive, weight of equipment is overweight.
Chinese patent application number is 200910102304.8, title is the utility application of " the eccentric circle distribution formula plunger pump that promotes ", the technological scheme of its announcement is in the driving shaft end cam to be set, cam arranges bearing outward, bearing contacts with the end of the plunger in the housing, and Returnning spring is set on the plunger.Promotion by cam rotation and Returnning spring moves reciprocatingly plunger.
There is following shortcoming in this structure: 1, when cam rotates, plunger is influenced by lateral force all the time, and working life is short, can't adapt to the high-pressure work environment.
2, the power transmission part is many, and complex structure has increased radial dimension, and frictional loss is big.
3, it is big that spring takies the radial dimension space, and whole pump housing volume is increased, and waste material has improved cost.
4, each plunger can only suck and discharge liquid separately, and pump housing external connecting pipe is passed by many, and the multi-cylinder work theory is feasible, and practical application is difficult to realize.
Summary of the invention
The utility model is exactly at the problems referred to above, provides a kind of volume little, simple in structure, easy to process, long service life, high-power radial plunger pump with low cost.
For realizing above-mentioned purpose of the present utility model, the utility model adopts following technological scheme, the utility model comprises that inside has the housing of cavity, surface of shell is provided with the liquid sucting port that is communicated with cavity, its structure outline housing middle part is provided with cam by rotating shaft, is provided with at least two plungers by draw ring on the cam; The end of each plunger all is arranged in the plunger case, and the plunger case end is provided with the liquid entering hole that is communicated with cavity, is provided with liquid sucting valve in the liquid entering hole; The both sides of plunger case are provided with the first hollow gudgeon and the second hollow gudgeon that matches with housing; Be provided with annular hyperbaric chamber in the described housing; The first hollow gudgeon of each plunger case all is communicated with annular hyperbaric chamber, is provided with liquid discharging valve corresponding to annular hyperbaric chamber in the first hollow gudgeon; Described surface of shell is provided with the liquid outlet that is communicated with annular hyperbaric chamber.
As a kind of preferred version of the present utility model, be provided with equilibrium valve in the second hollow gudgeon on described each plunger case, be provided with the compensating groove that is interconnected corresponding to the second hollow gudgeon on the housing.
The beneficial effects of the utility model: 1, the type of belt drive that oil hydraulic pump of the present utility model turns with existing three or two plunger cases that turn are horizontal is compared, and weight of equipment is reduced, and the reduction amplitude can reach more than 60%.
2, the utility model fluid clutch is compared with the patent application of application number 200910102304.8, plunger case can be around the first hollow gudgeon and the second hollow gudgeon swing, employing swing structure location, plunger and plunger case are not subjected to the influence of lateral force, stressing conditions is good, long service life is fit to high-pressure work (more than the 35MPa) more.
3, oil hydraulic pump of the present utility model, its plunger adopt the static balance structure to cooperate with cam, and the power transmission part is few, compares with the patent application of application number 200910102304.8, has reduced the radial dimension of the pump housing, and frictional loss is little.
4, oil hydraulic pump of the present utility model uses draw ring that plunger is positioned on the cam, compares with the spring of documents, and volume reduces significantly, and the radial dimension of fluid clutch is further reduced.
5, the unique design of the utility model housing can guarantee that a plurality of plunger cases effectively make up, and realizes concentrating imbibition, discharge opeing, is convenient to oil hydraulic pump in the application of multiple occasion.
Description of drawings
Fig. 1 is the structural representation of the utility model fluid clutch.
Fig. 2 is the side sectional view of Fig. 1.
In the accompanying drawing 1 for housing, 2 for cavity, 3 for plunger case, 4 be the first hollow gudgeon, 5 for plunger, 6 for the plunger slide, 7 for rotating shaft, 8 for draw ring, 9 for outer tube, 10 for pipe centered by the filled nylon, 11,12 for cam, 13 for liquid sucting valve, 14 for liquid entering hole, 15 for annular hyperbaric chamber, 16 for liquid sucting port, 17 for liquid outlet, 18 for liquid discharging valve, 19 for equilibrium valve, 20 be that the second hollow gudgeon, 21 is compensating groove.
Embodiment
The utility model comprises that inside has the housing 1 of cavity 2, and housing 1 surface is provided with the liquid sucting port 16 that is communicated with cavity 2, and housing 1 middle part is provided with cam 12 by rotating shaft 7, is provided with at least two plungers 5 by draw ring 8 on the cam 12; The end of each plunger 5 all is arranged in the plunger case 3, and plunger case 3 ends are provided with the liquid entering hole 14 that is communicated with cavity 2, are provided with liquid sucting valve 13 in the liquid entering hole 14; The both sides of plunger case 3 are provided with the first hollow gudgeon 4 and the second hollow gudgeon 20 that matches with housing 1; Be provided with annular hyperbaric chamber 15 in the described housing 1; The first hollow gudgeon 4 of each plunger case 3 all is communicated with annular hyperbaric chamber 15, is provided with liquid discharging valve 18 corresponding to annular hyperbaric chamber 15 in the first hollow gudgeon 4; Described housing 1 surface is provided with the liquid outlet 17 that is communicated with annular hyperbaric chamber 15.
As a kind of preferred version of the present utility model, be provided with equilibrium valve 19 in the second hollow gudgeon 20 on described each plunger case 3, be provided with the compensating groove 21 that is interconnected corresponding to the second hollow gudgeon 20 on the housing 1.Cooperation by equilibrium valve 19 and compensating groove 21 forms the static balance structure, has offset the hydraulic thrust of liquid discharging valve 18 1 ends, is in unsteady suspended state when guaranteeing plunger case 3 work, has prolonged working life.
Described plunger 5 comprises the plunger slide 6 that matches with draw ring 8; Be disposed with center tube 11, filled nylon 10 and outer tube 9 on the plunger slide 6 from the inside to the outside.Plunger 5 adopts fabricated structure, can reduce the quality of plunger 5 significantly.
Described plunger slide 6 is provided with center damping hole and relief groove.During the utility model work, can make plunger 5 pressure at two ends balances, oil hydraulic pump be adapted to more under high pressure conditions work.
Described plunger case 3 is distributed on cam 12 circumference.Plunger 5 can also be distributed on the circumference of cam 12 by the position-limiting action of plunger case 3, can make cam 12 and rotating shaft 7 stressed even, increases the service life.
Described draw ring 8 is that two cross sections are L shaped ring body, and two L shaped ring bodies are relatively arranged on outside the cam 12, are provided with slip ring between the two L shaped ring bodies; Described plunger slide 6 is arranged between two draw rings 8, and is passed by slip ring.
Below in conjunction with a description of drawings course of action of the present utility model: during use, rotating shaft 7 drives cams 12 and rotates, and cam 12 drives plunger 5 to-and-fro motion in plunger case 3, and plunger case 3 is at the restriction lower swing of first gudgeon and second gudgeon; When journey is inhaled in plunger 5 to-and-fro motion, the liquid sucting valve 13 of liquid by plunger case 3 tops sucked; During scheduling, liquid is discharged by liquid discharging valve 18.Housing 1 is provided with annular hyperbaric chamber 15 in the center hole outside, annular hyperbaric chamber 15 is connected with each plunger case 3 respectively, and the liquid that each plunger 5 is discharged is concentrated discharge.Make the utility model can effectively guarantee the multi-cylinder reliably working.
Be understandable that, more than about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technological scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (6)
1. high-power radial plunger pump, comprise that inside has the housing of cavity (2) (1), housing (1) surface is provided with the liquid sucting port (16) that is communicated with cavity (2), it is characterized in that: housing (1) middle part is provided with cam (12) by rotating shaft (7), and cam (12) is gone up and is provided with at least two plungers (5) by draw ring (8); The end of each plunger (5) all is arranged in the plunger case (3), and plunger case (3) end is provided with the liquid entering hole (14) that same cavity (2) is communicated with, and is provided with liquid sucting valve (13) in the liquid entering hole (14); The both sides of plunger case (3) are provided with the first hollow gudgeon (4) and the second hollow gudgeon (20) that same housing (1) matches; Be provided with annular hyperbaric chamber (15) in the described housing (1); The first hollow gudgeon (4) of each plunger case (3) all is communicated with annular hyperbaric chamber (15), is provided with liquid discharging valve (18) corresponding to annular hyperbaric chamber (15) in the first hollow gudgeon (4); Described housing (1) surface is provided with the liquid outlet (17) that is communicated with annular hyperbaric chamber (15).
2. high-power radial plunger pump according to claim 1, it is characterized in that: be provided with equilibrium valve (19) in the second hollow gudgeon (20) on described each plunger case (3), housing (1) is gone up and is provided with the compensating groove (21) that is interconnected corresponding to the second hollow gudgeon (20).
3. high-power radial plunger pump according to claim 1, it is characterized in that: described plunger (5) comprises the plunger slide (6) that same draw ring (8) matches; Be disposed with center tube (11), filled nylon (10) and outer tube (9) on the plunger slide (6) from the inside to the outside.
4. high-power radial plunger pump according to claim 3, it is characterized in that: described plunger slide (6) is provided with center damping hole and relief groove.
5. high-power radial plunger pump according to claim 1, it is characterized in that: described plunger case (3) is distributed on cam (12) circumference.
6. high-power radial plunger pump according to claim 3, it is characterized in that: described draw ring (8) is that two cross sections are L shaped ring body, and two L shaped ring bodies are relatively arranged on outside the cam (12), are provided with slip ring between the two L shaped ring bodies; Described plunger slide (6) is arranged between two draw rings (8), and is passed by slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084582 CN203067203U (en) | 2013-02-25 | 2013-02-25 | High-power radial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084582 CN203067203U (en) | 2013-02-25 | 2013-02-25 | High-power radial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067203U true CN203067203U (en) | 2013-07-17 |
Family
ID=48766002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084582 Expired - Lifetime CN203067203U (en) | 2013-02-25 | 2013-02-25 | High-power radial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005924A (en) * | 2013-02-25 | 2014-08-27 | 白巨章 | High-power radial plunger pump |
| CN105952604A (en) * | 2016-06-28 | 2016-09-21 | 南京润泽流体控制设备有限公司 | Constant flow continuous injection pump |
-
2013
- 2013-02-25 CN CN 201320084582 patent/CN203067203U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005924A (en) * | 2013-02-25 | 2014-08-27 | 白巨章 | High-power radial plunger pump |
| CN105952604A (en) * | 2016-06-28 | 2016-09-21 | 南京润泽流体控制设备有限公司 | Constant flow continuous injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |