CN2602191Y - Twin-cylinder acting rotor-piston pump - Google Patents
Twin-cylinder acting rotor-piston pump Download PDFInfo
- Publication number
- CN2602191Y CN2602191Y CN 03214952 CN03214952U CN2602191Y CN 2602191 Y CN2602191 Y CN 2602191Y CN 03214952 CN03214952 CN 03214952 CN 03214952 U CN03214952 U CN 03214952U CN 2602191 Y CN2602191 Y CN 2602191Y
- Authority
- CN
- China
- Prior art keywords
- end seat
- oil
- cylinder
- bent axle
- twin
- 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
Images
Landscapes
- Compressor (AREA)
Abstract
The utility model discloses a rotopiston pump with double cylinder function, and comprises a connecting body (1). The connecting body (1) is connected with a front end seat (7), and a shaft joint (2). The shaft joint (2) is connected with a crank shaft (4), which is sleeved with a shaft gland (6) and a shaft seal cover (5) outside. The shaft seal cover (5) is connected with the front end seat (7), which is connected with a cylinder hull (11). The cylinder hull (11) is provided with an oil inlet (21) and an oil outlet (22), the oil inlet (21) and the oil outlet (22) are respectively communicated with an oil suction cylinder (27) and an oil drain cylinder (25). The cylinder hull (11) is provided with a cylinder body (12) inside, the cylinder body (12) is respectively connected with the front end seat (7) and a back end seat (14) through bearings (13). An offset cam (23) on the crank shaft (4) is moveably connected with a piston (9). The back end seat (14) is connected with the cylinder hull (11). The back end of the crank shaft (4) is provided with a thrust brake. The back end seat (14) is connected with a back gland bush (18). The utility model is characterized in that the topsides of the front end seat (7), the cylinder hull (11), and the back end seat (14) are respectively provided with oil passages (24) which are communicated with each other, the oil passages (24) are respectively communicated with the oil suction cylinder (27), the oil drain cylinder (25), a shaft gland cylinder (26) and bearings (13). The utility model has the advantages that the operation is stable, the abrasion is reduced, the airtightness is good, the structure is compact, the processing and the detection are convenient, the cost is low, the vibration is small, the noise is low, the service life is long, and the efficiency of a compressor is improved.
Description
(1) technical field: the utility model relates to a kind of reciprocating pump, relates in particular to a kind of twin-tub effect rotopiston pump.
(2) background technique: in the compressor oil pump, the drive manner of movement parts has determined the performance of oil pump substantially, twin-tub effect rotopiston pump is the to-and-fro motion that relies on piston, change the volume in the piston cylinder, cylinder body rotates in the cylinder shell simultaneously, change the position of suction, liquid port, reach the purpose that sucks and discharge oil, twin-tub effect rotopiston pump is owing to have the parameter height, advantages such as the efficient long-life is long, use very extensively, but because existing twin-tub effect rotary piston pump structure is complicated.Poorly sealed, manufacture process requirement is higher, the cost height, and operation is not steady, and vibration is big, the noise height, working life is low, has reduced the efficient of compressor, and its effect is restricted.
(3) summary of the invention: the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of and operates steadily, reduce wear, good airproof performance, compact structure is convenient to processing and detection, and cost is low, vibrate little, noise is low, long service life, the twin-tub effect rotopiston pump of raising compressor efficiency.
The purpose of this utility model can reach by following measure: a kind of twin-tub effect rotopiston pump, it comprises connected body 1, connected body 1 connects front end seat 7, coupling 2, coupling 2 connects bent axle 4, bent axle 4 outer axle envelope 6, the shaft seal covers 5 of being with, shaft seal cover 5 links to each other with front end seat 7, and front end seat 7 links to each other with cylinder shell 11, and cylinder shell 11 is provided with filler opening 21, oil outlet 22.Filler opening 21, oil outlet 22 communicate with oil sucting cavity 27, oil-discharging cavity 25 respectively, be provided with cylinder body 12 in the cylinder shell 11, cylinder body 12 links to each other with rear end seat 14 with front end seat 7 respectively by bearing 13, eccentric cam 23 on the bent axle 4 flexibly connects piston 9, rear end seat 14 is connected with cylinder shell 11, the rear end of bent axle 4 is provided with thrust device, rear end seat 14 connects rear pressing cover 18, it is characterized in that all having on front end seat 7, cylinder shell 11, the rear end seat 14 oil duct 24 that communicates, oil duct 24 communicates with oil sucting cavity 27, oil-discharging cavity 25, shaft seal cavity 26 and bearing 13 respectively.
In order further to realize the purpose of this utility model: described thrust device is to be with unidirectional thrust ball ball bearing 16 in the rear end of bent axle 4, and fixing by back-up ring 17.
In order further to realize the purpose of this utility model: be provided with axle sleeve 8 between described front end seat 7 and the bent axle 4.
In order further to realize the purpose of this utility model: be with axle sleeve 10 on the eccentric cam 23 on the described bent axle 4, and be connected with piston 9.
In order further to realize the purpose of this utility model: described bent axle 4 connects coupling 2 by key 3.
In order further to realize the purpose of this utility model: described rear end seat 14 is connected with cylinder shell 11 by pin 15.
In order further to realize the purpose of this utility model: at filler opening 21, oil outlet 22 places difference adpting flange 19, be provided with pad 20 between flange 19 and the cylinder shell 11 on the described cylinder shell 11.
The utility model can produce following good effect compared with the prior art:
1, crankshaft rear end adopts unidirectional thrust ball bearing and back-up ring structure, when bent axle to the back-end during seat direction play, axial force passes to rear pressing cover by bearing, when bent axle forward end seat direction play, axial force passes to the rear end seat by back-up ring, bearing, thereby prevent the bent axle axial float and make the size decreases of entire pump, make structure compact more, strengthened sealability.Improved traveling comfort;
2, oil pump lubricates and has changed original outer oil channel structure, adopt the internal oil channel system, the oil pump oil extraction makes oil pump that good shafting balancing system and lubricating condition be arranged by advancing the lubricated axle of oil drain out pressure reduction envelope, bent axle, axle sleeve rotary member, improve the wear resistance of pump, prolonged the working life of pump.Strengthened the compactedness of structure;
3, oil pump adopts John's Crane axle envelope, has guaranteed the shaft end seal of oil pump, the leakage that prevents;
4, motor is directly given crankshaft oil pump with transmission of power by coupling, and compact structure is convenient to processing and detection;
5, bent axle and end seat, bent axle contacts by a kind of bimetallic bush that is covered with the anti-attrition plastic layer with piston, has increased the lubricated of bent axle, has guaranteed the wear resistance of bent axle;
6, the end seat is connected with cylinder body by bearing, and the end seat is located by pin with the cylinder shell, guarantees the good rotation during cylinder body is in the cylinder shell;
A kind of twin-tub effect of the utility model rotopiston pump is a kind of integrate reciprocating type and new pump rotator type, crank-driven is vertically done rotation and to-and-fro motion at the piston of same rotary cylinder-block, cylinder body is organically done uniform rotation simultaneously, and alternate cycles is as the oil inlet and outlet of the pump housing, form and suck continuously and drain, movement parts uniform speed rotation of the present utility model, operate steadily, noninertia power consumes, vibrate for a short time, noise is low, has the rotating speed height, flow is big, pressure is high and stable, long working life improves advantages such as compressor efficiency.
(4) description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the schematic representation of oil-way system of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 1;
Fig. 4 is the A-A sectional view of Fig. 1.
(5) embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: a kind of twin-tub effect rotary piston system is (referring to Fig. 1-Fig. 4), it comprises connected body 1, connected body 1 connects front end seat 7, be inserted with coupling 2 in the connected body 1, coupling 2 connects bent axle 4 by key 3, bent axle 4 outer axle envelope 6, the shaft seal covers 5 of being with, and shaft seal cover 5 links to each other with front end seat 7, front end seat 7 links to each other with cylinder shell 11, and cylinder shell 11 is provided with filler opening 21, oil outlet 22.Filler opening 21, oil outlet 22 communicate with oil sucting cavity 27, oil-discharging cavity 25 respectively, at filler opening 21, oil outlet 22 places difference adpting flange 19, be provided with pad 20 between flange 19 and the cylinder shell 11, be provided with cylinder body 12 in the cylinder shell 11, cylinder body 12 links to each other with rear end seat 14 with front end seat 7 respectively by bearing 13, be provided with axle sleeve 8 between front end seat 7 and the bent axle 4, the eccentric cam 23 on the bent axle 4 flexibly connects piston 9 by axle sleeve 10, and rear end seat 14 is connected with cylinder shell 11 by pin 15.The rear end of bent axle 4 is with unidirectional thrust ball bearing 16, and fixing by back-up ring 17, and rear end seat 14 connects rear pressing cover 18.Front end seat 7, cylinder shell 11, rear end seat 14 tops have the oil duct 24 that communicates, oil duct 24 communicates with oil sucting cavity 27, oil-discharging cavity 25, shaft seal cavity 26 and bearing 13 respectively, like this because oil the flowing of oil duct 24, and makes parts sufficient lubrications such as an envelope, bearing, cylinder body, bent axle, piston.Bent axle 4 links to each other with power source motor by coupling 2 during work, motor is fixed on the front end seat 7 by connected body 1, bent axle 4 drives piston 9 and rotates in cylinder body 12, change the volume in piston 9 cylinders, the reciprocating lateral force of piston 9 passes to cylinder body 12 simultaneously, bearing 13 is by front end seat 7, rear end seat 14 supports cylinder body 12, cylinder body 12 is rotated in cylinder shell 11, change and inhale, the position of oil drain out, thrust ball bearing 16, back-up ring 17 falls the axial force balance of bent axle 4, by flange 19, pad 20 and suction, oil exit pipe links to each other, and reaches the purpose that sucks and discharge oil.
Claims (7)
1, a kind of twin-tub effect rotopiston pump, it comprises connected body (1), connected body (1) connects front end seat (7), coupling (2), coupling (2) connects bent axle (4), the outer axle envelope (6) that is with of bent axle (4), shaft seal cover (5), shaft seal cover (5) links to each other with front end seat (7), front end seat (7) links to each other with cylinder shell (11), cylinder shell (11) is provided with filler opening (21), oil outlet (22), filler opening (21), oil outlet (22) respectively with oil sucting cavity (27), oil-discharging cavity (25) communicates, be provided with cylinder body (12) in the cylinder shell (11), cylinder body (12) links to each other with rear end seat (14) with front end seat (7) respectively by bearing (13), eccentric cam (23) on the bent axle (4) flexibly connects piston (9), rear end seat (14) is connected with cylinder shell (11), the rear end of bent axle (4) is provided with thrust device, rear end seat (14) connects rear pressing cover (18), it is characterized in that front end seat (7), cylinder shell (11), all have the oil duct (24) that communicates on the rear end seat (14), oil duct (24) respectively with oil sucting cavity (27), oil-discharging cavity (25), shaft seal cavity (26) and bearing (13) communicate.
2, a kind of twin-tub effect rotopiston pump according to claim 1 is characterized in that described thrust device is to be with unidirectional thrust ball ball bearing (16) in the rear end of bent axle (4), and fixing by back-up ring (17).
3, a kind of twin-tub effect rotopiston pump according to claim 1 and 2 is characterized in that being provided with axle sleeve (8) between described front end seat (7) and the bent axle (4).
4, a kind of twin-tub effect rotopiston pump according to claim 1 and 2 is characterized in that being with axle sleeve (10) on the eccentric cam (23) on the described bent axle (4), and is connected with piston (9).
5, a kind of twin-tub effect rotopiston pump according to claim 1 and 2 is characterized in that described bent axle (4) connects coupling (2) by key (3).
6, a kind of twin-tub effect rotopiston pump according to claim 1 is characterized in that described rear end seat (14) is connected with cylinder shell (11) by pin (15).
7, a kind of twin-tub effect rotopiston pump according to claim 1 is characterized in that locating adpting flange (19) respectively at filler opening (21), oil outlet (22) on the described cylinder shell (11), is provided with pad (20) between flange (19) and the cylinder shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214952 CN2602191Y (en) | 2003-01-23 | 2003-01-23 | Twin-cylinder acting rotor-piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214952 CN2602191Y (en) | 2003-01-23 | 2003-01-23 | Twin-cylinder acting rotor-piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602191Y true CN2602191Y (en) | 2004-02-04 |
Family
ID=34159919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03214952 Expired - Fee Related CN2602191Y (en) | 2003-01-23 | 2003-01-23 | Twin-cylinder acting rotor-piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602191Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351133A (en) * | 2015-12-11 | 2016-02-24 | 中国北方发动机研究所(天津) | Engine oil lubrication type high-pressure variable pump camshaft |
| CN106065854A (en) * | 2016-07-28 | 2016-11-02 | 珠海格力节能环保制冷技术研究中心有限公司 | One turns cylinder piston compressor |
-
2003
- 2003-01-23 CN CN 03214952 patent/CN2602191Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351133A (en) * | 2015-12-11 | 2016-02-24 | 中国北方发动机研究所(天津) | Engine oil lubrication type high-pressure variable pump camshaft |
| CN106065854A (en) * | 2016-07-28 | 2016-11-02 | 珠海格力节能环保制冷技术研究中心有限公司 | One turns cylinder piston compressor |
| CN106065854B (en) * | 2016-07-28 | 2017-11-24 | 珠海格力节能环保制冷技术研究中心有限公司 | One kind turns cylinder piston compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS636470Y2 (en) | ||
| JPS5916113B2 (en) | Horizontal rotary compressor | |
| CN2602191Y (en) | Twin-cylinder acting rotor-piston pump | |
| CN101387296A (en) | Static vane compressor | |
| US5937735A (en) | Swash-plate compressor having a thrust race with a radial flange insuring supply of a lubricating oil to a drive shaft bearing | |
| CN201288661Y (en) | Stable vane type compressor | |
| CN201055956Y (en) | Spindle box lubricating device | |
| CN211116581U (en) | Compressor for vehicle | |
| CN2466363Y (en) | Crankshaft type multi-cylinder non-connecting-rod piston engine | |
| CN219061983U (en) | Plunger pump lubricating structure and plunger pump | |
| CN1896531A (en) | Blade spring arrangement of rotary compressor | |
| CN2365422Y (en) | Plunger pump | |
| CN219101517U (en) | Plunger assembly and plunger pump with same | |
| CN221144717U (en) | Lubricating system of piston compressor | |
| CN203856719U (en) | Double-screw type shaft head pump of compressor | |
| JP2003293953A (en) | Reciprocating hermetic motor compressor | |
| CN219012790U (en) | Piston driving mechanism of piston type air compressor | |
| JP2001521100A (en) | Apparatus for transporting or driving by medium | |
| CN219472330U (en) | Compressor main shaft oil supply structure | |
| CN201043672Y (en) | Lubricant oil pump | |
| JP3422073B2 (en) | Piston pump or motor | |
| JPH0416639B2 (en) | ||
| JP2000018235A (en) | Connecting rod | |
| KR20030041634A (en) | Lubricating system for hermetic reciprocating compressor | |
| CN2353924Y (en) | High-efficiency rotor pump |
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: 20040204 Termination date: 20100223 |