CN201763558U - Oilless pump for high-pressure cleaners - Google Patents
Oilless pump for high-pressure cleaners Download PDFInfo
- Publication number
- CN201763558U CN201763558U CN2010202878605U CN201020287860U CN201763558U CN 201763558 U CN201763558 U CN 201763558U CN 2010202878605 U CN2010202878605 U CN 2010202878605U CN 201020287860 U CN201020287860 U CN 201020287860U CN 201763558 U CN201763558 U CN 201763558U
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- plunger
- rotatingshaft
- bearing
- rotating ring
- eccentric wheel
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Abstract
The utility model discloses an oilless pump for high-pressure cleaners, which comprises a pump body, a transmission shaft, a rotary shaft, an eccentric wheel, a rotary ring bearing, a rotary ring, a flexible steel plate, a plunger and a plunger bearing. By utilizing a using direction as a reference, the rotary shaft can be rotationally inserted in the pump body to be fixedly connected with the transmission shaft, the eccentric wheel is fixedly arranged outside the rotary shaft, the rotary ring bearing is sleeved outside the eccentric wheel and inside the rotary ring bearing, the outer side wall of the rotary ring is fixedly connected with a middle section of the side wall of the flexible steel plate, two ends of the flexible steel plate are respectively fixedly connected with the plunger, and the plunger can be axially slidably inserted in the plunger bearing. By adopting the oilless pump, hard abrasion among cams and the rotary ring and hard abrasion during axial movement of the plunger driven by the rotary ring can be prevented. The oilless pump realizes oilless transmission without using a great quantity of lubricant oil, solves a series of problems including that water flows in oil tanks due to sealing, the oil tanks leak oil and the like, further greatly increases transmission efficiency and reduces abrasion loss.
Description
Technical field
The utility model relates to a kind of high pressure washer pump, especially a kind of jetting machine oil-less pump.
Background technique
High pressure washer pump is whole jetting machine chief component.Jetting machine produces high-pressure water flow by it, thereby reaches the effect of cleaning.Present Chinese market high pressure washer pump has a variety of, and pressure mostly is 7 ~ 25MPa and does not wait, but mainly is divided into two kinds: a kind of is swash plate pump; Another is a crank pump.But no matter be any, all there is oil the pump the inside, all is that oily transmission is arranged.Pump will be deposited some problems like this:
1. profit mixes, in case water seal is bad, water will be gone in the fuel tank;
2. the fuel tank sealing is bad, leakage of oil easily;
3. oil is easy to generate oil pressure, oil gas under high speed rotating;
4. very high or the like to the quality requirements of lubricant oil.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of jetting machine oil-less pump, and this jetting machine does not have oily transmission with oil-less pump, and it is simple in structure, and is reliable, the efficient height.
The utility model is in order to solve the technological scheme that its technical problem adopts: a kind of jetting machine oil-less pump, comprise the pump housing, transmission shaft and rotatingshaft, to use direction to be benchmark, rotatingshaft can rotate and be inserted in the pump housing, transmission shaft and rotatingshaft are connected, also be provided with eccentric wheel, the rotating ring bearing, rotating ring, spring steel plate, plunger and Plunger bearing, eccentric wheel is fixedly arranged on the rotatingshaft outside, the eccentric wheel outside is arranged with the rotating ring bearing, rotating ring is sheathed on the rotating ring bearing outside, rotating ring outer side wall and spring steel plate sidewall intermediate section are connected, the spring steel plate end walls is connected with a plunger respectively, plunger axis is to being slidingly plugged in the Plunger bearing, when pump is started working, transmission shaft rotates under motor drives and rotation is passed to rotatingshaft, rotatingshaft drives eccentric wheel eccentric rotation takes place, the rotating ring in the eccentric wheel outside ends the top effect at eccentric wheel and issues the swing about the back before death, the swing of rotating ring passes to spring steel plate, make spring steel plate and rotating ring joint that swing all around also take place, be connected with a plunger respectively owing to the spring steel plate end walls again, and plunger can only be done in Plunger bearing along its axial straight line motion, spring steel plate is restricted the motion that this direction can't take place with the motion of the vertical plunger axial direction of plunger connecting end, the resiliently deformable of vertical plunger axial direction will take place in spring steel plate, has also promptly produced high-pressure water flow thereby drive plunger along its axial direction straight reciprocating motion.
As further improvement of the utility model, also be provided with balancing weight, the integral body that described balancing weight and eccentric wheel, rotating ring bearing and rotating ring form is symmetrically distributed and is equal in weight along the rotatingshaft axis, this balancing weight fixed cover is located on the rotatingshaft, the integral body that eccentric wheel, rotating ring bearing and rotating ring form can produce eccentric moment in rotary course, this eccentric moment of balancing weight active balance makes transmission more steady.
As further improvement of the utility model, the described rotatingshaft outside sets firmly an eccentric structure and is: described eccentric shaft is formed with the step that contracts in respectively to two ends, be provided with an eccentric shaft bearing, this eccentric shaft bearing is sheathed on eccentric wheel away from the step that contracts in rotating ring one end, the eccentric shaft bearing axial end press closer respectively in pump housing inwall and eccentric in the step end face that contracts, the rotating ring bearing housing is located on the step that contracts in the eccentric wheel the other end, its both ends of the surface press closer contract step end face and balancing weight axial end respectively in eccentric, by adopt rotating ring bearing and eccentric shaft bearing press closer the eccentric wheel two ends in the step end face that contracts limit its axial motion, this kind localization method makes Spielpassung between eccentric wheel and rotating ring bearing and eccentric shaft bearing and all the other rotatingshafts, avoided rigid contact, simple in structure, reliably, having constituted does not have or very little rigid friction, has improved efficient.
As further improvement of the utility model, described rotatingshaft can rotate the structure that is inserted in the pump housing: the pump housing is provided with perforation, be installed with needle bearing in this perforation, be arranged with axle sleeve on the rotatingshaft outer circle wall, rotatingshaft is provided with away from transmission shaft one end and radially extends out the stop head, and axle sleeve is inserted in the needle bearing, and axle sleeve one end presses closer the balancing weight other end, the axle sleeve the other end presses closer rotatingshaft and radially extends out the first end end face of stop, and rotatingshaft just can be with pump housing generation hard friction like this.
As further improvement of the utility model, described rotatingshaft is a bolt, and rotatingshaft is a bolt head away from the stop head that radially extends out of transmission shaft one end, makes things convenient for rotatingshaft to be connected with transmission shaft like this.
As further improvement of the utility model, described plunger is a ceramic plunger, and its smooth surface friction is little, and its material hardness is big, wear-resisting.
As further improvement of the utility model, the quantity of described spring steel plate is two, and symmetry is fixedly arranged on rotating ring circumference periphery both sides respectively.
As further improvement of the utility model, the spring steel plate end walls with the structure that a plunger is connected is respectively: be provided with plunger mat, the spring steel plate end walls is connected with a plunger mat outer wall respectively, and plunger fixedly is inserted in the plunger mat.
The beneficial effects of the utility model are: connect by bearing between cam of the present utility model and the rotating ring, the cam rotation drives rotating ring and all around swings, cam not with rotating ring generation hard friction, rotating ring drives the plunger axial motion by spring steel plate simultaneously, also avoided the hard friction between them, so just avoid using a large amount of lubricant oil, realized no oily transmission, also just avoided water to go in the fuel tank because of sealing problem and a series of problems such as fuel tank leakage of oil, also improve transmission efficiency greatly, reduced frictional loss, improved the efficient of pump, minimizing is to the pollution of environment, and Di hangs down the maintenance demand.
Description of drawings
Fig. 1 is a working principle schematic representation of the present utility model;
Fig. 2 is a structural principle schematic representation of the present utility model;
Fig. 3 is first stereogram of the present utility model;
Fig. 4 is second stereogram of the present utility model.
Embodiment
Embodiment: a kind of jetting machine oil-less pump, comprise the pump housing 1, transmission shaft 2 and rotatingshaft 3, to use direction to be benchmark, rotatingshaft 3 can rotate and be inserted in the pump housing 1, transmission shaft 2 is connected with rotatingshaft 3, also be provided with eccentric wheel 4, rotating ring bearing 5, rotating ring 6, spring steel plate 7, plunger 8 and Plunger bearing 9, eccentric wheel 4 is fixedly arranged on rotatingshaft 3 outsides, eccentric wheel 4 outsides are arranged with rotating ring bearing 5, rotating ring 6 is sheathed on rotating ring bearing 5 outsides, rotating ring 6 outer side walls and spring steel plate 7 sidewall intermediate sections are connected, spring steel plate 7 end walls are connected with a plunger 8 respectively, plunger 8 axially can be slidingly plugged in the Plunger bearing 9, when pump is started working, transmission shaft 2 rotates under motor drives and rotation is passed to rotatingshaft 3, rotatingshaft 3 drives eccentric wheel 4 eccentric rotation takes place, the rotating ring 6 in eccentric wheel 4 outsides ends the top effect at eccentric wheel 4 and issues the swing about the back before death, the swing of rotating ring 6 passes to spring steel plate 7, make spring steel plate 7 and rotating ring 6 joints that swing all around also take place, be connected with a plunger 8 respectively owing to spring steel plate 7 end walls again, and plunger 8 can only be done in Plunger bearing 9 along its axial straight line motion, spring steel plate 7 is restricted the motion that this direction can't take place with the motion of vertical plunger 8 axial directions of plunger 8 connecting ends, the resiliently deformable of vertical plunger 8 axial directions will take place in spring steel plate 7, has also promptly produced high-pressure water flow thereby drive plunger 8 along its axial direction straight reciprocating motion.
Also be provided with balancing weight 10, described balancing weight 10 is symmetrically distributed and is equal in weight along rotatingshaft 3 axis with the integral body that eccentric wheel 4, rotating ring bearing 5 and rotating ring 6 form, these balancing weight 10 fixed covers are located on the rotatingshaft 3, the integral body that eccentric wheel 4, rotating ring bearing 5 and rotating ring 6 form can produce eccentric moment in rotary course, this eccentric moment of balancing weight 10 active balances makes transmission more steady.
The structure that described rotatingshaft 3 outsides set firmly an eccentric wheel 4 is: described eccentric wheel 4 axial two ends are formed with the step 41 that contracts in respectively, be provided with an eccentric shaft bearing 42, this eccentric shaft bearing 42 is sheathed on eccentric wheel 4 away from the step 41 that contracts in rotating ring 6 one ends, eccentric shaft bearing 42 axial ends press closer step 41 end faces that contract respectively in the pump housing 1 inwall and eccentric wheel 4, rotating ring bearing 5 is sheathed on the step 41 that contracts in eccentric wheel 4 the other ends, its both ends of the surface press closer contract step 41 end faces and balancing weight 10 axial ends respectively in eccentric wheel 4, by adopt rotating ring bearing 5 and eccentric shaft bearing 42 press closer eccentric wheel 4 two ends in step 41 end faces that contract limit its axial motion, this kind localization method makes Spielpassung between eccentric wheel 4 and rotating ring bearing 5 and eccentric shaft bearing 42 and all the other rotatingshafts 3, avoided rigid contact, simple in structure, reliably, having constituted does not have or very little rigid friction, has improved efficient.
Described rotatingshaft 3 can rotate the structure that is inserted in the pump housing 1: the pump housing 1 is provided with perforation 11, be installed with needle bearing 12 in this perforation 11, be arranged with axle sleeve 31 on rotatingshaft 3 outer circle walls, rotatingshaft 3 is provided with away from transmission shaft 2 one ends and radially extends out stop head 32, axle sleeve 31 is inserted in the needle bearing 12, axle sleeve 31 1 ends press closer balancing weight 10 other ends, and axle sleeve 31 the other ends press closer rotatingshaft 3 and radially extend out stop head 32 1 end end faces, and rotatingshaft 3 just with the pump housing 1 hard friction does not take place like this.
Described rotatingshaft 3 is a bolt, and rotatingshaft 3 is bolt head away from the stop head 32 that radially extends out of transmission shaft 2 one ends, makes things convenient for rotatingshaft 3 to be connected with transmission shaft 2 like this.
Described plunger 8 is a ceramic plunger, and its smooth surface friction is little, and its material hardness is big, wear-resisting.
The quantity of described spring steel plate 7 is two, and symmetry is fixedly arranged on rotating ring 6 circumference periphery both sides respectively.
Described spring steel plate 7 end walls with the structure that a plunger 8 is connected are respectively: be provided with plunger mat 81, spring steel plate 7 end walls are connected with plunger mat 81 outer walls respectively, and plunger 8 fixedly is inserted in the plunger mat 81.
Claims (8)
1. jetting machine oil-less pump, comprise the pump housing (1), transmission shaft (2) and rotatingshaft (3), to use direction to be benchmark, rotatingshaft (3) can rotate and be inserted in the pump housing (1), transmission shaft (2) is connected with rotatingshaft (3), it is characterized in that: also be provided with eccentric wheel (4), rotating ring bearing (5), rotating ring (6), spring steel plate (7), plunger (8) and Plunger bearing (9), eccentric wheel (4) is fixedly arranged on rotatingshaft (3) outside, eccentric wheel (4) outside is arranged with rotating ring bearing (5), rotating ring (6) is sheathed on rotating ring bearing (5) outside, rotating ring (6) outer side wall and spring steel plate (7) sidewall intermediate section are connected, spring steel plate (7) end walls is connected with a plunger (8) respectively, and plunger (8) axially can be slidingly plugged in the Plunger bearing (9).
2. jetting machine oil-less pump according to claim 1, it is characterized in that: also be provided with balancing weight (10), described balancing weight (10) is symmetrically distributed and is equal in weight along rotatingshaft (3) axis with the integral body that eccentric wheel (4), rotating ring bearing (5) and rotating ring (6) form, and this balancing weight (10) fixed cover is located on the rotatingshaft (3).
3. jetting machine oil-less pump according to claim 2, it is characterized in that: the structure that described rotatingshaft (3) outside sets firmly an eccentric wheel (4) is: described eccentric wheel (4) axially is formed with the step (41) that contracts in respectively in two ends, be provided with an eccentric shaft bearing (42), this eccentric shaft bearing (42) is sheathed on eccentric wheel (4) away from the step (41) that contracts in rotating ring (6) one ends, eccentric shaft bearing (42) axial end presses closer step (41) end face that contracts respectively in the pump housing (1) inwall and eccentric wheel (4), rotating ring bearing (5) is sheathed on the step (41) that contracts in eccentric wheel (4) the other end, and its both ends of the surface press closer contract step (41) end face and balancing weight (10) axial end respectively in eccentric wheel (4).
4. jetting machine oil-less pump according to claim 2, it is characterized in that: described rotatingshaft (3) can rotate the structure that is inserted in the pump housing (1) and be: the pump housing (1) is provided with perforation (11), be installed with needle bearing (12) in this perforation (11), be arranged with axle sleeve (31) on rotatingshaft (3) outer circle wall, rotatingshaft (3) is provided with away from transmission shaft (2) one ends and radially extends out stop head (32), axle sleeve (31) is inserted in the needle bearing (12), axle sleeve (31) one ends press closer balancing weight (10) other end, and axle sleeve (31) the other end presses closer rotatingshaft (3) and radially extends out stop head (32) one end end faces.
5. jetting machine oil-less pump according to claim 4 is characterized in that: described rotatingshaft (3) is a bolt, and rotatingshaft (3) is a bolt head away from the stop head (32) that radially extends out of transmission shaft (2) one ends.
6. jetting machine oil-less pump according to claim 1 is characterized in that: described plunger (8) is a ceramic plunger.
7. jetting machine oil-less pump according to claim 1 is characterized in that: the quantity of described spring steel plate (7) is two, and symmetry is fixedly arranged on rotating ring (6) circumference periphery both sides respectively.
8. jetting machine oil-less pump according to claim 1, it is characterized in that: spring steel plate (7) end walls with the structure that a plunger (8) is connected is respectively: be provided with plunger mat (81), spring steel plate (7) end walls is connected with a plunger mat (81) outer wall respectively, and plunger (8) fixedly is inserted in the plunger mat (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202878605U CN201763558U (en) | 2010-08-09 | 2010-08-09 | Oilless pump for high-pressure cleaners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202878605U CN201763558U (en) | 2010-08-09 | 2010-08-09 | Oilless pump for high-pressure cleaners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763558U true CN201763558U (en) | 2011-03-16 |
Family
ID=43716164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202878605U Expired - Lifetime CN201763558U (en) | 2010-08-09 | 2010-08-09 | Oilless pump for high-pressure cleaners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763558U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374149A (en) * | 2010-08-09 | 2012-03-14 | 苏州鸿本机械制造有限公司 | Oil-free pump for high-pressure cleaning machine |
| CN108591002A (en) * | 2018-04-24 | 2018-09-28 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure |
| CN108591013A (en) * | 2018-04-24 | 2018-09-28 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure with water flow buffer chamber |
| CN108626089A (en) * | 2018-04-24 | 2018-10-09 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure of tape travel changing mechanism |
| CN108869228A (en) * | 2018-04-24 | 2018-11-23 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure improving transmission mechanism |
-
2010
- 2010-08-09 CN CN2010202878605U patent/CN201763558U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374149A (en) * | 2010-08-09 | 2012-03-14 | 苏州鸿本机械制造有限公司 | Oil-free pump for high-pressure cleaning machine |
| CN102374149B (en) * | 2010-08-09 | 2014-04-23 | 苏州鸿本机械制造有限公司 | Oil-free pump for high-pressure cleaning machine |
| CN108591002A (en) * | 2018-04-24 | 2018-09-28 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure |
| CN108591013A (en) * | 2018-04-24 | 2018-09-28 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure with water flow buffer chamber |
| CN108626089A (en) * | 2018-04-24 | 2018-10-09 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure of tape travel changing mechanism |
| CN108869228A (en) * | 2018-04-24 | 2018-11-23 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure improving transmission mechanism |
| CN108591013B (en) * | 2018-04-24 | 2019-12-03 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure with water flow buffer chamber |
| CN108591002B (en) * | 2018-04-24 | 2019-12-03 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure |
| CN108626089B (en) * | 2018-04-24 | 2019-12-03 | 佛山安豪科技服务有限公司 | A kind of electric water pump and water gun structure of tape travel changing mechanism |
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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: 20110316 Effective date of abandoning: 20140423 |
|
| RGAV | Abandon patent right to avoid regrant |