CN201024061Y - Improved pneumatic hydraulic jack - Google Patents
Improved pneumatic hydraulic jack Download PDFInfo
- Publication number
- CN201024061Y CN201024061Y CNU2007200627530U CN200720062753U CN201024061Y CN 201024061 Y CN201024061 Y CN 201024061Y CN U2007200627530 U CNU2007200627530 U CN U2007200627530U CN 200720062753 U CN200720062753 U CN 200720062753U CN 201024061 Y CN201024061 Y CN 201024061Y
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- CN
- China
- Prior art keywords
- oil
- oil cylinder
- fuel tank
- jack
- fixed
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- Expired - Fee Related
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Abstract
The utility model relates to an improved pneumatic-hydraulic jack. The utility model is provided with a pneumatic grease lubricator fixed on an oil tank, and a plunger oil pump at a lower end of the pneumatic grease lubricator is arranged in the oil tank. An outlet of the plunger oil pump provided with a check valve is communicated with an intake tube of a poppet valve which is fixed on the oil tank. An outlet of the poppet valve is communicated with the oil tank through an oil-returning tube. One end of a high-pressure hose is connected with the intake tube of the poppet valve, and the other end is connected with an oil intake of the oil cylinder on the jack seat. A piston and a lifting rod are arranged in the oil cylinder, and a regulating bolt provided with a top-handle is screwed on an upper end of the lifting rod. The oil tank is fixed on a small cart, and a pull spring which is respectively arranged on two sides of the outer side of oil cylinder hitches on a base and an extending arm of the top-handle, or a pressing spring in the oil cylinder is sleeved on the lifting rod. The utility model is characterized in that the oil tank can store a large quantity of oil; the oil cylinder of the jack is big and a heavy object can be lifted; after the pressing of the cylinder, the top handle can automatically returns to an original position; the use is convenient, flexible, safe and reliable.
Description
Technical field
A kind of machine of jack-up weight belongs to the instrument that the power jacking operation is used, and international classification number is B66F3/24.
Background technology
Employed in the past hand-hydraulic jack, it is made up of base, oil cylinder, lifting bar, oil drum, check valve, plunger fuel pump, leverage etc., do to pump by manpower and act on leverage, drive plunger fuel pump by leverage, and forming high pressure under the effect of plunger fuel pump, hydraulic oil enters oil cylinder through the check valve oil circuit, the promotion lifting bar promotes, the jack-up weight.Though this hand-hydraulic jack can the heavier object of jack-up, the speed of jack-up weight is very slow when using, and it is gruelling that the people also feels, during the very big object of special desire top weight, sense unable to do what one wants very much to do is just arranged.
00225964.8 number utility model patent has proposed a kind of " pneumatic-hydraulic jack ", utilize compressed air to drive the plunger fuel pump of pneumatic butter oiling machine, make hydraulic oil formation high pressure oil and enter jack cylinder, promote lifting bar and promote the jack-up weight.Be characterized in changing manually to pneumatic, save time, laborsaving, power is high, safe and reliable, durable in use.But following weak point is arranged:
1, because the fuel tank (former title gasoline tank) of this patent can only carried, can not do too greatly too heavyly, so the store oil amount is limited, has restricted the size and the weight lifting amount of jack cylinder.
2, under the situation that the weight on the lifting masthead handle can not descend with the top handle, when opening lift valve (former title fuel-return valve) release, lifting masthead handle can the automatic lowering reposition, need with manually with the top handle toward pressing down, people's hand is in operation under the weight, and is both inconvenient, dangerous again.
Summary of the invention
The purpose of this utility model provides a kind of improved type Pneumatic hydraulic jack, accomplishes that the weight lifting amount is big, and is easy to use, safe and reliable.
Technical scheme is that pneumatic butter oiling machine is fixed on the fuel tank, the plunger fuel pump of its lower end places in the fuel tank, the plunger fuel pump outlet of band non-return valve is communicated with the lift valve induction pipe on being fixed on fuel tank, the lift valve outlet is communicated with fuel tank through oil return pipe, high pressure hose one end connects the lift valve induction pipe, the other end connects the oil cylinder oil inlet on the jack base, be provided with piston and lifting bar in the oil cylinder, lifting bar upper end rotation set has the adjusting screw(rod) of band top handle, improvements are that fuel tank is fixed on the waggon, the oil cylinder both sides external has extension spring to be hooked on base and the top handle extension arm respectively, perhaps in oil cylinder with compression spring sleeve on lifting bar.When lift valve was opened release, in-oil cylinder high pressure oil was through lift valve, and oil return pipe returns in the fuel tank, and the piston below loses pressure, and extension spring is withdrawn into original position with lifting masthead handle; Perhaps stage clip promotes piston decline, makes lifting masthead handle get back to original position, and the oil in the oil cylinder cavity of resorption is flowed back in the fuel tank rapidly automatically through lift valve, oil return pipe.
Compared with the prior art, characteristics of the present utility model are that fuel tank store oil amount is many, and jack cylinder is big, can lift heavy weight object, and the top handle can automatically revert to original position after the release, and is easy to use flexible, safe and reliable.
Description of drawings
Fig. 1 is an improved type Pneumatic hydraulic jack structure scheme drawing
Fig. 2 is that Extension Spring-type list oil cylinder jack parts master cuts open figure
Fig. 3 is that compressed spring type list oil cylinder jack parts master cuts open figure
Fig. 4 is that the two oil cylinder jack parts masters of Extension Spring-type cut open figure
The specific embodiment
Embodiment one Extension Spring-type list oil cylinder type
As Fig. 1, shown in 2, this example has the pneumatic butter oiling machine 2 that is fixed on the fuel tank 1, the plunger fuel pump of pneumatic butter oiling machine 2 lower ends places in the fuel tank 1, the plunger fuel pump outlet of band non-return valve is communicated with lift valve 3 induction pipes on being fixed on fuel tank 1, lift valve 3 outlets are communicated with fuel tank 1 through oil return pipe 4, high pressure hose 5 one ends connect lift valve 3 induction pipes, the other end connects the oil cylinder oil inlet 7 on the jack base 6, be provided with piston 9 and lifting bar 10 in the oil cylinder 8, lifting bar 10 upper end rotation sets have the adjusting screw(rod) 12 of band top handle 11, difference is that fuel tank 1 is fixed on the waggon 13, and oil cylinder 8 both sides external have extension spring 14 to be hooked on base 6 and top handle 11 extension arms respectively.
Principle of work and using method are as follows: at first the jack parts are placed the weight below, close lift valve 3 then, give pneumatic butter oiling machine 2 input pressurized airs, drive plunger fuel pump by air pump and pump, the output high pressure oil.High pressure oil enters oil cylinder 8 through high pressure hose 5, push piston 9 and lifting bar 10 and rise, through top handle 11 with weight jack-up.If open lift valve 3, high pressure oil returns fuel tank 1 through lift valve 3, oil return pipe 4, weight can be dropped on the booster material of certain position, and handle 11 repositions under the effect of extension spring in top make the oil in oil cylinder 8 cavity of resorptions flow back to automatically in the fuel tank 1 rapidly simultaneously.
Embodiment two compressed spring type list oil cylinder types
This example is basic identical with embodiment one, and difference is oil cylinder 8 outside no extension springs 14, but has stage clip 15 to be enclosed within on the lifting bar 10 in the oil cylinder 8.
The two oil cylinder types of embodiment three Extension Spring-types
This example is basic identical with embodiment one, and difference is that the lower end of jack cylinder 8 is a piston 16, and oil cylinder 9 and piston 16 are arranged in the large tank 17.
The characteristics of this pair of cylinder structure are as follows: the one, and jack parts whole height is short, energy Put the smaller weight below of lower space into, the 2nd, lifting masthead handle top lifting height height, jacking Square is from greatly, and weight is pushed up De Genggao.
Claims (2)
1. improved type Pneumatic hydraulic jack, comprise the pneumatic butter oiling machine (2) that is fixed on the fuel tank (1), the plunger fuel pump of pneumatic butter oiling machine (2) lower end places in the fuel tank (1), the plunger fuel pump outlet of band non-return valve is communicated with lift valve (3) induction pipe on being fixed on fuel tank (1), lift valve (3) outlet is communicated with fuel tank (1) through oil return pipe (4), high pressure hose (5) one ends connect lift valve (3) induction pipe, the other end connects the oil cylinder oil inlet (7) on the jack base (6), be provided with piston (9) and lifting bar (10) in the oil cylinder (8), lifting bar (10) upper end rotation set has the adjusting screw(rod) (12) of band top handle (11), it is characterized in that fuel tank (1) is fixed on the waggon (13), oil cylinder (8) both sides external has extension spring (14) to be hooked on base (6) and top handle (11) extension arm respectively, or has stage clip (15) to be enclosed within on the lifting bar (10) in the oil cylinder (8).
2. improved type Pneumatic hydraulic jack according to claim 1, the lower end that hangs with the oil cylinder (8) of extension spring (14) outside it is characterized in that is piston (16), oil cylinder (8) and piston 16 are arranged in the large tank (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200627530U CN201024061Y (en) | 2007-03-20 | 2007-03-20 | Improved pneumatic hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200627530U CN201024061Y (en) | 2007-03-20 | 2007-03-20 | Improved pneumatic hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201024061Y true CN201024061Y (en) | 2008-02-20 |
Family
ID=39097915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200627530U Expired - Fee Related CN201024061Y (en) | 2007-03-20 | 2007-03-20 | Improved pneumatic hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201024061Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173366A (en) * | 2011-03-11 | 2011-09-07 | 韶关市赛力乐液压件制造有限公司 | Multifunctional hydraulic safe support |
| CN102556884A (en) * | 2012-01-13 | 2012-07-11 | 温岭市鑫磊空压机有限公司 | Portable dual-purpose hydraulic jack for vehicles |
| CN102616697A (en) * | 2012-04-28 | 2012-08-01 | 常熟通润汽车零部件股份有限公司 | Oil jack with pneumatic pump |
| CN103395715A (en) * | 2013-06-24 | 2013-11-20 | 无锡商业职业技术学院 | Pneumatic hydraulic jack |
-
2007
- 2007-03-20 CN CNU2007200627530U patent/CN201024061Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173366A (en) * | 2011-03-11 | 2011-09-07 | 韶关市赛力乐液压件制造有限公司 | Multifunctional hydraulic safe support |
| CN102173366B (en) * | 2011-03-11 | 2013-07-03 | 韶关市赛力乐液压件制造有限公司 | Multifunctional hydraulic safe support |
| CN102556884A (en) * | 2012-01-13 | 2012-07-11 | 温岭市鑫磊空压机有限公司 | Portable dual-purpose hydraulic jack for vehicles |
| CN102556884B (en) * | 2012-01-13 | 2014-01-15 | 温岭市鑫磊空压机有限公司 | Portable dual-purpose hydraulic jack for vehicles |
| CN102616697A (en) * | 2012-04-28 | 2012-08-01 | 常熟通润汽车零部件股份有限公司 | Oil jack with pneumatic pump |
| CN103395715A (en) * | 2013-06-24 | 2013-11-20 | 无锡商业职业技术学院 | Pneumatic hydraulic jack |
| CN103395715B (en) * | 2013-06-24 | 2015-09-02 | 无锡商业职业技术学院 | Pneumahydraulic jack |
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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: 20080220 Termination date: 20110320 |