CN2730844Y - Suspension large stroke multi-pump type jack - Google Patents
Suspension large stroke multi-pump type jack Download PDFInfo
- Publication number
- CN2730844Y CN2730844Y CN 200420096187 CN200420096187U CN2730844Y CN 2730844 Y CN2730844 Y CN 2730844Y CN 200420096187 CN200420096187 CN 200420096187 CN 200420096187 U CN200420096187 U CN 200420096187U CN 2730844 Y CN2730844 Y CN 2730844Y
- Authority
- CN
- China
- Prior art keywords
- jack
- pump
- big
- sleeve
- strut bar
- 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
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a suspension large stroke multi-pump type jack, which is characterized in that the suspension large stroke multi-pump type jack comprises a large pump and a small pump; the large pump and the small pump are respectively connected with an oil tank and a jack through oil guide pipes, and a supporting bar arranged on the upper end of the jack is telescopic. The slip connection remains between sleeves. Both sides of the lower end of the jack are fixed with a mechanical spring, and the jack is suspended on the aperture of a carrying frame by the mechanical spring through a hook.
Description
Technical field
The utility model relates to a kind of jack, especially can change hoisting speed when the jack-up Different Weight, bears gravity and has the big stroke multi-pump type of the suspension type jack of big stroke strut bar without carrier loader.
Background technology
Jack has only a little pump with the strut bar jack-up in the jack at present, and the pressure of little pump input is big, very heavy object jack-up can be come, but the speed of jack-up is very slow, loses time when pushing up lighter object; The jack carrier loader is born the immense pressure of object, if when object is very heavy, carrier loader will be damaged by pressure; Sometimes the chassis of heavy duty truck is very high, and jack strut bar stroke is less at present, can not be with the real jack-up of heavy duty truck, if forming, strengthens strut bar, jack just can only be used for heavy duty truck, and strut bar just can not insert dolly chassis, and it is limited to cause jack to use.
Summary of the invention
The purpose of this utility model provides the big stroke multi-pump type of a kind of suspension type jack, can use big pump when underloading, and jack-up speed is fast, saves time, and uses little pump during heavy duty, and pressure greatly can be with weight jack-up; This jack carrier hangs over jack on the frame and transports, and weight directly is pressed in jack on the ground during use, by the work of ground supports jack, makes big weight can not damage carrier loader by pressure; The strut bar of this jack is that sleeve-type extends layer by layer, has strengthened the stroke of strut bar, and the strut bar stroke can regulate as required, has solved the problems referred to above.
The purpose of this utility model is achieved in that
The big stroke jack of the many pumps of suspension type is characterized in that: comprise big pump and little pump; Described big pump is connected with jack with fuel tank respectively by oil guide pipe with little pump, and this jack upper end strut bar is a sleeve-type, sliding block joint between each sleeve; These both sides, jack lower end are fixed with spring, and described spring is suspended on jack on the aperture of carrier by hook.
Each sleeve bottom of described strut bar all is provided with snap ring.
Each sleeve top madial wall of described strut bar is provided with projection.
The utlity model has following advantage:
1, owing to two oil pumps is arranged, so when the object of jack-up Different Weight, can realize speed change.
2, jack work the time need not be oppressed carrier loader, and the stretching by pendulum spring directly makes the jack support that lands, and has damaged carrier loader when having avoided object overweight by pressure.
3, strut bar is a sleeve-type, can regulate the stroke of strut bar according to the needs that jack uses.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model sleeve-type strut bar cutaway view
The specific embodiment
The big stroke multi-pump type of suspension type as shown in Figure 1 and Figure 2 jack, the spring 7 of whole jack 5 by being welded in its sidewall is by on hook 8 apertures that are hooked on the carrier 9 10, this jack 5 is connected respectively with little oil pump 2 with big oil pump 1 by oil guide pipe 3, and these two oil pumps are connected with fuel tank 4.During use jack 5 is placed under the weight, jack 5 is because the pressure that is subjected to weight draws 7 to stretch and contact with ground on spring, and ground is just as the supporter of jack 5.If lifting is lighter, then use big pump 1 to accelerate hoisting speed, when if lifting is heavier, then use little pump 2 to increase pressure, the strut bar 6 of this jack 5 is a sleeve-type, and outermost layer is forced out outermost layer snap ring 11 earlier and is blocked the back second layer by fuel tank and be forced out when extending, after card 11 rings of the second layer are blocked by ground floor projection 12, the 3rd layer just is forced out, thereby has realized the increasing of stroke.Still very short after strut bar 6 shrinks, be applicable to the compact car that the chassis is low.
Claims (3)
1, the big stroke multi-pump type of suspension type jack is characterized in that: comprise big pump (1) and little pump (2); Described big pump (1) is connected with jack (5) with fuel tank (4) respectively by oil guide pipe (3) with little pump (2), and this jack upper end (5) strut bar (6) is a sleeve-type, sliding block joint between each sleeve; This jack (5) both sides, lower end are fixed with spring (7), and described spring (7) is suspended on jack (5) on the aperture (10) of carrier (9) by hook (8).
2, the big stroke jack of the many pumps of suspension type according to claim 1 is characterized in that: each (6) sleeve bottom of described strut bar all is provided with snap ring (11).
3, according to claim 1, the big stroke jack of the many pumps of 2 described suspension types, it is characterized in that: each sleeve top madial wall of described support (6) bar is provided with projection (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096187 CN2730844Y (en) | 2004-09-29 | 2004-09-29 | Suspension large stroke multi-pump type jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096187 CN2730844Y (en) | 2004-09-29 | 2004-09-29 | Suspension large stroke multi-pump type jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2730844Y true CN2730844Y (en) | 2005-10-05 |
Family
ID=35051183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096187 Expired - Fee Related CN2730844Y (en) | 2004-09-29 | 2004-09-29 | Suspension large stroke multi-pump type jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2730844Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2634131A1 (en) * | 2012-03-02 | 2013-09-04 | BlitzRotary GmbH | Control device for a pit jack |
-
2004
- 2004-09-29 CN CN 200420096187 patent/CN2730844Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2634131A1 (en) * | 2012-03-02 | 2013-09-04 | BlitzRotary GmbH | Control device for a pit jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |