CN201647919U - Manual quick oil pump power plant matched with wheel type jack - Google Patents
Manual quick oil pump power plant matched with wheel type jack Download PDFInfo
- Publication number
- CN201647919U CN201647919U CN201020137907XU CN201020137907U CN201647919U CN 201647919 U CN201647919 U CN 201647919U CN 201020137907X U CN201020137907X U CN 201020137907XU CN 201020137907 U CN201020137907 U CN 201020137907U CN 201647919 U CN201647919 U CN 201647919U
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- valve seat
- pump
- oil
- pump core
- screw
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Abstract
The utility model discloses a manual quick oil pump power plant matched with a wheel type jack, which comprises a valve seat, a cylinder arranged at the front end of the valve seat, and a large pump liner, a small pump liner and a fuel drain valve rod which are arranged at the rear end of the valve seat, wherein the valve seat is fixedly connected with the cylinder through threads, and an outer cylinder liner is arranged at the outside of the cylinder; the valve seat is fixedly connected with the large and the small pump liners through the threads, and a large pump core and a small pump core are respectively arranged in the large and the small pump liners; the valve seat is connected with the fuel drain valve rod via the threads, and a buckle piece which is used for restricting the fuel drain valve rod from separating from the valve seat is arranged on the valve seat; and a pressure adjusting screw of the large pump core, which is connected with the valve seat through the threads, is arranged on the valve seat. The utility model has the beneficial effects of improved lifting speed, good sealing performance, prolonged service life, energy conservation and environmental protection, accurate reset and stable pressure adjustment.
Description
Technical field
The utility model relates to a kind of engine installation, the matched manual speed oil pump engine installation of particularly a kind of garage jack.
Background technology
There is following major defect in the matched manual speed oil pump engine installation of present garage jack: with single pump core, lifting speed is slow when unloaded; Seal the structure on the large and small pump block of being sealed between screw and large and small pump core and the large and small pump block with osed top, a grade phenomenon can fan the air during operation; Large and small pump core adopts the single track hermetically-sealed construction, an O type circle, and sealing effectiveness is poor, and service life is low; The anti-device that screws out of the valve rod of draining the oil is not installed, and the valve rod of draining the oil can screw out; The large pump core pressure adjusting structure adopts steel ball, ball valve seat sealing, common pressure regulating screw, and common shake can take place during operation in common pressure spring, can make a noise when causing operating; Oil cylinder and the sealing of valve seat fixed connection place O type circle corner sealing, leak tightness and dismounting poor performance; The small pump core pressure adjusting structure adopts steel ball sealing, pressure regulation instability.
Summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of garage jack matched manual speed oil pump engine installation.
To achieve these goals, technical solution adopted in the utility model is:
The matched manual speed oil pump engine installation of a kind of garage jack comprises valve seat, is arranged on the oil cylinder of valve seat front end, the big pump block of rear end, little pump block, the valve rod of draining the oil, and valve seat is captiveed joint with screw thread with oil cylinder, and the oil cylinder outer setting has outer cylinder sheath; Valve seat is captiveed joint with screw thread with big pump block and little pump block, and large pump core and small pump core are separately positioned in big pump block and the little pump block; Valve seat and the valve rod of draining the oil be with being threaded, and valve seat is provided with and is used to retrain the cramp that valve rod and valve seat break away from of draining the oil; Valve seat is provided with the large pump core pressure regulating screw that is threaded with valve seat;
The head of described large pump core is provided with two pass O type circle; The head of small pump core is provided with two pass O type circle and tetrafluoro back-up ring;
Described oil cylinder and valve seat junction are fixed with screw thread and are added tetrafluoro back-up ring side seal with O type circle;
Described outer cylinder sheath is provided with air bleed screw, and outer cylinder sheath and air bleed screw are with being threaded;
Be installed with O RunddichtringO 8*1.9 on the described large pump core pressure regulating screw.
The beneficial effects of the utility model: lifting speed improves more than 2.5 times than originally when unloaded; A grade phenomenon can not fan the air during operation; Sealing property is reliable, long service life; Pressure regulation seals, has controlled oil spillage, has guaranteed to reset accurately, makes pressure regulation more stable with cone valve; Can not make a noise at the large pump core place during operation; Leak tightness and dismounting performance improve; Pressure regulation is stable.
Description of drawings
Fig. 1 is the structural representation of facing of the present utility model;
Fig. 2 is a big pump configuration scheme drawing of the present utility model;
Fig. 3 is a side-looking structural representation of the present utility model;
The expression of the numeral number among the figure: 1, large pump core; 2, big pump block; 3, an O RunddichtringO; 4, big pump block tightening seal washer; 5, piston rod; 6, the 2nd O RunddichtringO; 7, top cap; 8, outer cylinder sheath; 9, oil cylinder; 10, elastic cylindrical pin; 11, piston head; 12, air bleed screw; 13, piston head bowl-type pad; 14, piston head O RunddichtringO; 15, circlip for shaft; 16, elliptic jet O RunddichtringO; 17, outer cylinder sheath lower seal pad; 18, O RunddichtringO 46.2*2.2; 19, cylinder bottom packing seal; 20, Cross Recess Head Screw M6*8; 21, spring washer 6; 22, cramp; 23, the valve rod of draining the oil; 24, steel ball; 25, O RunddichtringO 7.1*2.65; 26, pump core cap; 27, compression spring; 28, elastic cylindrical pin 4*32; 29, small pump core; 30, oil pump overcoat; 31, little pump block; 32, interior cover packing ring; 33, tetrafluoro back-up ring; 34, O RunddichtringO 11.2*2.65; 35, little pump block tightening seal washer; 36, large pump core pressure regulating screw; 37, O RunddichtringO 8*1.9; 38, large pump core pressure spring; 39, cylinder cone valve; 40, steel ball 5; 41, hexagon socket countersunk flat cap head screw M6*8; 42, valve seat; 43, steel ball 8; 44, spool; 45, steel ball; 46, high pressure screw; 47, steel ball 5.5; 48, pressure regulation cone valve; 49, small pump core pressure spring; 50, small pump core pressure regulating screw; 51, seal screw; 52, O RunddichtringO 8.5*1.80.
The specific embodiment
The matched manual speed oil pump engine installation of a kind of garage jack, comprise valve seat 42, be arranged on the oil cylinder 9 of valve seat 42 front ends, elastic cylindrical pin 10, piston head 11 and piston head bowl-type pad 13, the big pump block 2 of rear end, little pump block 31, the valve rod 23 of draining the oil, valve seat 42 is captiveed joint with oil cylinder 9 usefulness screw threads, and oil cylinder 9 outer setting have outer cylinder sheath 8; Valve seat 42 is captiveed joint with big pump block 2 and little pump block 31 usefulness screw threads, big pump
Cover 2 has big pump block tightening seal washer 4; Also comprise piston rod 5 in addition.Large pump core 1 and small pump core 29 are separately positioned in big pump block 2 and the little pump block 31; Valve seat 42 is threaded with valve rod 23 usefulness of draining the oil, and valve seat 42 is provided with cramp 22, is used for retraining drain the oil valve rod 23 and valve seat 42 disengagings; Valve seat 42 is provided with large pump core pressure regulating screw 36, is threaded with valve seat 42.Also comprise piston head O RunddichtringO 14 in addition, circlip for shaft 15, elliptic jet O RunddichtringO 16, outer cylinder sheath lower seal pad 17; O RunddichtringO 46.2*2.2 (18); Cylinder bottom packing seal 19; Cross Recess Head Screw M6*8 (20); Spring washer 6 (21); Cramp 22; The valve rod 23 of draining the oil; Steel ball (24); O RunddichtringO 7.1*2.65 (25); Pump core cap 26; Compression spring 27; Elastic cylindrical pin 4*32 (28); Small pump core 29; Oil pump overcoat 30; Little pump block 31; Interior cover packing ring 32; Tetrafluoro back-up ring 33; O RunddichtringO 11.2*2.65 (34); Little pump block tightening seal washer 35; Large pump core pressure regulating screw 36; O RunddichtringO 8*1.9 (37); Large pump core pressure spring 38; Cylinder cone valve 39; Steel ball 5 (40); Hexagon socket countersunk flat cap head screw M6*8 (41); Valve seat 42; Steel ball 8 (43); Spool 44; Steel ball 45; High pressure screw 46; Steel ball 5.5 (47); Pressure regulation cone valve 48; Small pump core pressure spring 49; Small pump core pressure regulating screw 50; Seal screw 51; O RunddichtringO 8.5*1.80 (52).
The head of described large pump core 1 is provided with two pass O type circle; The first the one O RunddichtringO 3, the two O RunddichtringOs 6; The head of small pump core 29 is provided with two pass O type circle and tetrafluoro back-up ring.
Described oil cylinder 9 and valve seat 42 junctions are fixed with screw thread and are added tetrafluoro back-up ring side seal with O type circle.
Described outer cylinder sheath 8 is provided with air bleed screw 12, top cap 7, and outer cylinder sheath 8 is threaded with air bleed screw 12 usefulness.
Apply the screen resilience of the compression spring of external pressure and large and small pump core working barrel part self by pump core cap head, finish large and small pump core upper and lower reciprocating action in large and small pump block large and small pump core working barrel part.When compression spring big; when small pump core springs back to setting height(from bottom); big; that small pump core is under the effect of pressure hole system; utilize suction that the steel ball of pressure hole system is sealed; steel ball is opened simultaneously; the oilhole that is communicated with the outer cylinder sheath shoe cream room by steel ball down is drawn into hydraulic oil greatly; small pump core and big; it is big that little pump block cooperates; in the little pump block shoe cream room; then when pump core cap head is subjected to external pressure; big; the hydraulic oil in the little pump block shoe cream room leads to middle the oil pocket of steel ball and steel ball in the pressure hole system under pressure; the intrasystem steel ball of pressure hole seal the oil circuit hole that connects the outer cylinder sheath shoe cream room under the pressure of pressurised hydraulic; the steel ball osed top leads to that the oil circuit hole is opened bottom the piston head simultaneously; the hydraulic oil of pressurized is bottom the piston rod jacking piston head partly, thus the jacking of realization piston rod; The oil circuit hole links to each other with the interior oil circuit of big pump block shoe cream room under the cylinder cone valve of large pump core voltage-regulating system, oil pressure in the big pump block shoe cream room does not reach the elastic force of the large pump core pressure spring that backs down the large pump core voltage-regulating system, then large pump core works on, and finishes the jacking to piston rod; Otherwise, oil pressure in the big pump block shoe cream room reaches the elastic force of the large pump core pressure spring that backs down the large pump core voltage-regulating system, oil in the then big pump block shoe cream room directly leads to the outer cylinder sheath shoe cream room by the oil circuit hole between cylinder cone valve in the large pump core voltage-regulating system and the large pump core pressure regulating screw, though large pump core works on, can the jacking effect not arranged to piston rod; The oil circuit hole links to each other with the interior oil circuit of little pump block shoe cream room under the pressure regulation cone valve of small pump core voltage-regulating system; the oil pressure in the little pump block shoe cream room does not reach the elastic force of the small pump core pressure spring that backs down the small pump core voltage-regulating system; then small pump core works on, and finishes the jacking to piston rod; Otherwise; the oil pressure in the little pump block shoe cream room reaches the elastic force of the small pump core pressure spring that backs down the small pump core voltage-regulating system; the oil in the then little pump block shoe cream room directly leads to the outer cylinder sheath shoe cream room by the oil circuit hole between pressure regulation cone valve in the small pump core voltage-regulating system and the small pump core pressure regulating screw; though small pump core works on, can the jacking effect not arranged to piston rod; Oil circuit hole, piston head bottom under the steel ball in oil circuit hole and the piston rod jacking part links to each other, be provided with the oil circuit hole and linking to each other on the steel ball with between the O RunddichtringO 7.1*2.65 with the outer cylinder sheath petrol storage tank, when the valve rod of draining the oil screwed, whole oil pump engine installation can be finished the work; When the valve rod of draining the oil unscrewed, whole oil pump engine installation will be back to pressurised hydraulic in the petrol storage tank, and can not produce the jacking effect to piston rod.In a word, screwing the valve rod of draining the oil is to finish lifting work for the oil pump engine installation, and unscrewing the valve rod of draining the oil is to finish lifting work in order to finish the oil pump engine installation, gets back to and treats mode of operation; Hydraulic oil by pressurized leads to the piston head bottom, thereby finishes the jacking function of piston rod; The outer cylinder sheath petrol storage tank of stores hydraulic pressure oil is formed in space between oil cylinder and the outer cylinder sheath; Air bleed screw on the outer cylinder sheath petrol storage tank is communicated with atmospheric envelope, makes the hydraulic oil in the outer cylinder sheath petrol storage tank not produce negative pressure, makes whole oil pump engine installation finish lifting work smoothly.
The beneficial effects of the utility model: lifting speed improves more than 2.5 times than originally when unloaded; A grade phenomenon can not fan the air during operation; Sealing property is reliable, long service life; Controlled oil spillage, guaranteed to reset accurately; Can not make a noise at the large pump core place during operation; Sealing and dismounting stable performance; Pressure regulation is stable.
The simple replacement of those skilled in the art and replacing all are within this patent protection domain in this area.
Claims (5)
1. matched manual speed oil pump engine installation of garage jack, comprise valve seat (42), be arranged on the oil cylinder (9) of valve seat (42) front end, the big pump block (2) of rear end, little pump block (31), the valve rod of draining the oil (23), it is characterized in that: valve seat (42) is captiveed joint with screw thread with oil cylinder (9), and oil cylinder (9) outer setting has outer cylinder sheath (8); Valve seat (42) is captiveed joint with screw thread with big pump block (2) and little pump block (31), and large pump core (1) and small pump core (29) are separately positioned in big pump block (2) and the little pump block (31); Valve seat (42) and the valve rod of draining the oil (23) be with being threaded, and valve seat (42) is provided with and is used for the constraint cramp (22) that valve rod (23) and valve seat (42) break away from of draining the oil; Valve seat (42) is provided with the large pump core pressure regulating screw (36) that is threaded with valve seat (42).
2. the matched manual speed oil pump engine installation of garage jack according to claim 1 is characterized in that: the head of described large pump core (1) is provided with two pass O type circle; The head of small pump core (29) is provided with two pass O type circle and tetrafluoro back-up ring.
3. the matched manual speed oil pump engine installation of garage jack according to claim 2 is characterized in that: described oil cylinder (9) and valve seat (42) junction are fixed with screw thread and are added tetrafluoro back-up ring side seal with O type circle.
4. the matched manual speed oil pump engine installation of garage jack according to claim 3, it is characterized in that: described outer cylinder sheath (8) is provided with air bleed screw (12), and outer cylinder sheath (8) and air bleed screw (12) are with being threaded.
5. the matched manual speed oil pump engine installation of garage jack according to claim 4 is characterized in that: be installed with O RunddichtringO 8*1.9 (37) on the described large pump core pressure regulating screw (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020137907XU CN201647919U (en) | 2010-02-27 | 2010-02-27 | Manual quick oil pump power plant matched with wheel type jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020137907XU CN201647919U (en) | 2010-02-27 | 2010-02-27 | Manual quick oil pump power plant matched with wheel type jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201647919U true CN201647919U (en) | 2010-11-24 |
Family
ID=43113149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020137907XU Expired - Lifetime CN201647919U (en) | 2010-02-27 | 2010-02-27 | Manual quick oil pump power plant matched with wheel type jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201647919U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442293A (en) * | 2011-11-03 | 2012-05-09 | 芜湖众发汽车制动系统有限公司 | Brake cylinder with internal proportional valve |
| CN105540484A (en) * | 2015-12-31 | 2016-05-04 | 常熟通润汽车零部件股份有限公司 | Hydraulic jack for rapidly lifting load |
| CN105565215A (en) * | 2016-02-02 | 2016-05-11 | 宁波豪迈机械有限公司 | Speed control device used for hydraulic platform car |
| CN105584954A (en) * | 2016-02-02 | 2016-05-18 | 宁波豪迈机械有限公司 | Low-placement movable platform trolley |
| WO2016138685A1 (en) * | 2015-03-04 | 2016-09-09 | 杭州盈江机械制造有限公司 | Hydraulic jack capable of quickly lifting load |
-
2010
- 2010-02-27 CN CN201020137907XU patent/CN201647919U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442293A (en) * | 2011-11-03 | 2012-05-09 | 芜湖众发汽车制动系统有限公司 | Brake cylinder with internal proportional valve |
| WO2016138685A1 (en) * | 2015-03-04 | 2016-09-09 | 杭州盈江机械制造有限公司 | Hydraulic jack capable of quickly lifting load |
| CN105540484A (en) * | 2015-12-31 | 2016-05-04 | 常熟通润汽车零部件股份有限公司 | Hydraulic jack for rapidly lifting load |
| CN105565215A (en) * | 2016-02-02 | 2016-05-11 | 宁波豪迈机械有限公司 | Speed control device used for hydraulic platform car |
| CN105584954A (en) * | 2016-02-02 | 2016-05-18 | 宁波豪迈机械有限公司 | Low-placement movable platform trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |