CN203006830U - Mechanical jack - Google Patents
Mechanical jack Download PDFInfo
- Publication number
- CN203006830U CN203006830U CN 201220682134 CN201220682134U CN203006830U CN 203006830 U CN203006830 U CN 203006830U CN 201220682134 CN201220682134 CN 201220682134 CN 201220682134 U CN201220682134 U CN 201220682134U CN 203006830 U CN203006830 U CN 203006830U
- Authority
- CN
- China
- Prior art keywords
- support rod
- hinged
- strut bar
- lead screw
- nut sleeve
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a mechanical jack which comprises a top support, a base, a first hinged shaft, a second hinged shaft, a nut sleeve, a lead screw, a lead screw seat, a first support rod, a second support rod, a third support rod and a fourth rod, wherein one end of the first support rod and one end of the second support rod are hinged with the top support, one end of the third support rod and one end of the fourth support rod are hinged with the base, the other end of the first support rod is hinged with the other end of the third support rod through the first hinged shaft, the other end of the second support rod is hinged with the other end of the fourth support rod through the second hinged shaft, a through hole is formed in the first hinged shaft, the nut sleeve is arranged inside the through hole, one end of the lead screw is fixedly connected with the lead screw seat, the other end of the lead screw penetrates through the second hinged shaft and is connected with the nut sleeve in a threaded mode, a locating screw hole is formed in the lead screw seat, and a locating bolt penetrates into the locating screw hole to fix the lead screw. According to the mechanical jack, the inner extensible type nut sleeve is arranged, the lead screw can be machined to be short, the size of the jack after the jack is folded is reduced, convenience is brought to storage, the locating bolt fixes the lead screw, and the mechanical jack is safe to use.
Description
Technical field
The utility model relates to a kind of jack, relates in particular to a kind of mechanical jack.
Background technology
Jack is support expansion tool commonly used in daily life and some disaster reliefs (as traffic accident, earthquake, landslide etc.), our daily mechanical jack used mostly is scissor-like jack at present, due to nut sleeve not being set, make screw mandrel long, particularly use with car, the area occupied that has strengthened interior space is not easy to store; Generally all screw mandrel is not fixed, has certain potential safety hazard.
The utility model content
For the problem that above-mentioned prior art exists, the utility model provides a kind of mechanical jack.
to achieve these goals, the technical solution adopted in the utility model is: a kind of mechanical jack, comprise top-support and base, also comprise the first jointed shaft, the second jointed shaft, nut sleeve, screw mandrel, screw rodb base, the first strut bar that one end and top-support are hinged and the second strut bar, the 3rd strut bar that one end and base are hinged and the 4th strut bar, wherein, the other end of the other end of described the first strut bar and the 3rd strut bar is hinged by the first jointed shaft, the other end of the other end of the second strut bar and the 4th strut bar is hinged by the second jointed shaft, offer through hole on described the first jointed shaft, nut sleeve is set in through hole, one end captive joint screw rodb base of described screw mandrel, the other end of screw mandrel passes the second jointed shaft, and be threaded with nut sleeve, screw rodb base is provided with positioning screw hole, and dowel bolt penetrates fixedly screw mandrel of positioning screw hole, uses safer.
Compared with prior art, the utility model has the advantage of: interior extended pattern nut sleeve is set, makes shorter that the length of screw mandrel can do, reduced the jack volume after folding, deposit more convenient; Screw rodb base is provided with positioning screw hole, and dowel bolt penetrates fixedly screw mandrel of positioning screw hole, uses safer.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1, top-support; 2, base; 3, the first jointed shaft; 4, the second jointed shaft; 5, nut sleeve; 6, screw mandrel; 7, screw rodb base; 8, the first strut bar; 9, the second strut bar; 10, the 3rd strut bar; 11, the 4th strut bar; 12, positioning screw hole; 13, dowel bolt.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
as a kind of embodiment of the present utility model, consult Fig. 1, the utility model comprises top-support 1, base 2, the first jointed shaft 3, the second jointed shaft 4, nut sleeve 5, screw mandrel 6, screw rodb base 7, the first strut bar 8 that one end and top-support 1 are hinged and the second strut bar 9, the 3rd strut bar 10 that one end and base 2 are hinged and the 4th strut bar 11, wherein, the other end of the other end of the first strut bar 8 and the 3rd strut bar 10 is hinged by the first jointed shaft 3, the other end of the other end of the second strut bar 9 and the 4th strut bar 11 is hinged by the second jointed shaft 4, offer through hole on the first jointed shaft 3, nut sleeve 5 is set in through hole, one end captive joint screw rodb base 7 of screw mandrel 6, the other end of screw mandrel 6 passes the second jointed shaft 4, and be threaded with nut sleeve 5, screw rodb base 7 is provided with positioning screw hole 12, and dowel bolt 13 penetrates fixedly screw mandrel 6 of positioning screw hole 12, uses safer.Nut sleeve 5 is interior prolongation nut sleeve, and this interior prolongation nut sleeve can effectively shorten the length of leading screw 6.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model realization in other embodiments.Therefore, the utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the widest consistent scope.
Claims (1)
1. mechanical jack, comprise top-support and base, it is characterized in that: also comprise the first jointed shaft, the second jointed shaft, nut sleeve, screw mandrel, screw rodb base, the first strut bar that one end and top-support are hinged and the second strut bar, the 3rd strut bar that one end and base are hinged and the 4th strut bar, wherein, the other end of the other end of described the first strut bar and the 3rd strut bar is hinged by the first jointed shaft, the other end of the other end of the second strut bar and the 4th strut bar is hinged by the second jointed shaft, offer through hole on described the first jointed shaft, nut sleeve is set in through hole, one end captive joint screw rodb base of described screw mandrel, the other end of screw mandrel passes the second jointed shaft, and be threaded with nut sleeve, described screw rodb base is provided with positioning screw hole, and dowel bolt penetrates fixedly screw mandrel of positioning screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682134 CN203006830U (en) | 2012-12-12 | 2012-12-12 | Mechanical jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682134 CN203006830U (en) | 2012-12-12 | 2012-12-12 | Mechanical jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006830U true CN203006830U (en) | 2013-06-19 |
Family
ID=48598445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682134 Expired - Fee Related CN203006830U (en) | 2012-12-12 | 2012-12-12 | Mechanical jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203006830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895619A (en) * | 2014-03-26 | 2014-07-02 | 江苏理工学院 | Folding rescue trailer device with lifting mechanism |
| CN108679533A (en) * | 2018-05-22 | 2018-10-19 | 句容市宝启电子科技有限公司 | A kind of lifting street lamp |
-
2012
- 2012-12-12 CN CN 201220682134 patent/CN203006830U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895619A (en) * | 2014-03-26 | 2014-07-02 | 江苏理工学院 | Folding rescue trailer device with lifting mechanism |
| CN108679533A (en) * | 2018-05-22 | 2018-10-19 | 句容市宝启电子科技有限公司 | A kind of lifting street lamp |
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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: 20130619 Termination date: 20131212 |