CN2717920Y - Electric and hand-operated two-purpose scissors jack - Google Patents
Electric and hand-operated two-purpose scissors jack Download PDFInfo
- Publication number
- CN2717920Y CN2717920Y CN 200420037117 CN200420037117U CN2717920Y CN 2717920 Y CN2717920 Y CN 2717920Y CN 200420037117 CN200420037117 CN 200420037117 CN 200420037117 U CN200420037117 U CN 200420037117U CN 2717920 Y CN2717920 Y CN 2717920Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- output shaft
- hole
- transmission interface
- jack
- 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
Abstract
The utility model relates to an electric and hand-operated two-purpose scissors jack, comprising the screw of the jack, a motor, a retarding mechanism, and an output shaft, which is characterized in that the output shaft is hollow and is movably arranged on a connecting rod inside, and the connecting rod is exposed outside of the output shaft. The inner end of the connecting rod and the output end of an output shaft are inserted and matched with a hollow transmission interface which is fixedly connected with the end part of the screw. The corresponding side walls of the transmission interface and the output shaft are respectively provided with a throughhole and a perforation hole for replacing a positioning ball. The throughhole and the surface of the connecting rod are provided with a concave part for receiving the part of the positioning ball. Springs are provided between the inner end of the connecting rod and the transmission interface for making the connecting rod possess the movement tendency towards the outer end all the time. When the throughhole, the perforation hole, and the concave part are on the condition of alignment, the positioning ball departs from the throughhole and falls into the concave part and the perforation hole. By adopting above structure, the utility model can implement the purpose of lifting a support part and can solve the trouble of no power. The utility model has convenient operation, reliable transmission, and good practicality.
Description
Technical field
The utility model relates to a kind of automobile-used jack, especially refers to a kind of electric-hand driven two-purpose jack.
Background technology
All dispose automobile-used jack with car at present, it generally can be divided into manual or electronic two classes, use more mechanical type then owing to need manpower to shake, so use light inadequately, electronic jack has just appearred for this reason, as the patent No. is instrument the Chinese utility model patent " a kind of jack " of ZL92238696.X has just disclosed, its principle is the direct supply in the cigarette lighter socket that utilizes on the automobile, drive support by DC machine through transmission device and promote, therefore use comparatively light.But in actual applications, the support that people often run into jack has promoted, and the phenomenon that direct supply uses up, this moment is if in the operating process of changing of tire, the electronic jack of this mono-is then well imagined to the worry that the user brings, therefore a kind of electric-hand driven two-purpose jack has now appearred again, as publication number is scheme " the electric-hand driven two-purpose jack " of CN2377240Y just described, this jack will be embedded in hollow actuating lever and the drive link bolt that supports in the shell, make actuating lever to move up and down and can not relatively rotate along drive link, drive link is driven and is rotated by turbine worm mechanism, the input end of scroll bar then passes through the connection latch and the DC machine of conveniently assemble and disassemble, to realize the purpose of electronic lifting, simultaneously, this input end also can use by associated handle, make and under the state that does not have electricity, realize hand rotation, therefore it has solved above-mentioned defective well, but this structure is carried out axle with latch and is connected, it is unreliable to work together, and operation is also inconvenient, it also is not suitable for being applied in the jack of scissors simultaneously, therefore has been subjected to certain restriction in the use.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of reliable operation, electric-hand driven two-purpose scissors-type jack easy to use are provided at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this electric-hand driven two-purpose scissors-type jack comprises the screw rod of jack, motor and the output shaft that links by speed reduction gearing and motor, it is characterized in that described output shaft is hollow and is provided with the outer end within it slidably and is exposed to its outer connecting rod, the mouth inserting of the inner of this connecting rod and output shaft is fixed on the hollow transmission interface of screw rod end in one, and on the respective side walls of transmission interface and output shaft, be respectively equipped with through hole and the through hole that to place a place kick, but with this through hole with run through the recess that corresponding rod surface then is provided with the holding portion place kick, and be provided with between the inner and transmission interface at described connecting rod and make connecting rod have the spring of side shifting trend outward all the time, when described through hole, through hole and recess are under the state that aligns, and described place kick breaks away from behind the through hole and falls within described recess and the through hole.
The mouth of described output shaft can be square shaft, and described hollow transmission interface then is a square hole.
Described speed reduction gearing can be positioned at the casing of band overcoat, and accordingly, the outer jack of described screw rod is provided with a fixed jacket, and this fixed jacket has the structure that links to each other with the casing overcoat.
Described fixed jacket and casing overcoat all are the square for good of inserting mutually.
Compared with prior art, advantage of the present utility model is: when motoring condition converts manual state to, as long as push the outer end of connecting rod, making place kick break away from through hole falls in recess and the through hole, can pull up motor, speed reduction gearing and output shaft and connecting rod, then just can realize M/C with hand crank, so the utility model both can have been realized the purpose of light lifting support portion, can thoroughly solve the sorrow of the consequence under the no electric situation again, and it is very convenient to operate, transmission is also comparatively reliable, so it is practical more.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, this scissors-type jack comprises the screw rod 8 of jack, motor (not looking among the figure), speed reduction gearing (not looking among the figure) and output shaft 3, speed reduction gearing adopts conventional compound planet gear, it is positioned at drop-gear box 1, and output shaft 3 links by speed reduction gearing and motor, and described output shaft 3 is a hollow, be provided with the outer end within it slidably and be exposed to its outer connecting rod 2, the mouth inserting of the inner of this connecting rod 2 and output shaft 3 is in the transmission interface 4 of a hollow, and this transmission interface 4 is fixed on screw rod 8 ends, here, the mouth of output shaft 3 is a square shaft, and hollow transmission interface 4 is a square hole, and the rotation of output shaft 3 can drive 4 rotations of transmission interface like this.On the respective side walls of transmission interface 4 and output shaft, be respectively equipped with simultaneously through hole and through hole, in this two hole, be placed with a steel place kick 6, but with this through hole with run through the recess 21 that corresponding connecting rod 2 surfaces then are provided with the holding portion place kick, and between described connecting rod 2 the inners and transmission interface 9 inwalls, be provided with a spring 5, make connecting rod 2 have side shifting trend outward all the time.
When preventing that output shaft 3 from rotating, drop-gear box 1 rotates thereupon, on drop-gear box 1 lateral wall of corresponding jack, be shaped on an overcoat 11 integratedly, accordingly, the outer jack of screw rod is provided with a fixed jacket 7, this fixed jacket 7 and casing overcoat 11 all are the square of mutual inserting, promptly adopt the connection mode of a square square shaft, to stop the rotation of drop-gear box 1.
During use, push the outer end of connecting rod 2, make place kick 6 be positioned at recess 21 and through hole, mouth and connecting rod 2 inner insertions in the transmission interface 4 with output shaft 3, and through hole and through hole are aligned, drop-gear box overcoat 11 also correspondingly inserts in the fixed jacket 7 simultaneously, and then outwards spurring connecting rod 2, place kick 6 is forced to scroll up and is positioned at through hole and through hole, thereby has stoped moving axially between output shaft 3 and the transmission interface 4, then at this moment, energized, motor rotates, and output shaft 3 rotates thereupon, by transmission interface 4 screw rod 8 of jack is rotated, its support is promoted.And in case occur not having under the situation of electricity, then as long as the outer end of inwardly pushing connecting rod 2, the connecting rod compression spring moves in 5 backs, when the recess 21 of connecting rod 2 aligned with through hole and through hole, place kick 6 broke away from through hole, falls in recess 21 and the through hole, make and to move axially again between output shaft 3 and the transmission interface 4, can pull up motor, speed reduction gearing and output shaft 3 and connecting rod 2 this moment, stretches in the through hole of transmission interface 4 with hand crank then, just can realize M/C.
Claims (4)
1, a kind of electric-hand driven two-purpose scissors-type jack, it comprises the screw rod (8) of jack, motor and the output shaft (3) that links by speed reduction gearing and motor, it is characterized in that described output shaft (3) is for hollow and be provided with the outer end within it slidably and be exposed to its outer connecting rod (2), the mouth inserting of the inner of this connecting rod (2) and output shaft (3) is fixed on the hollow transmission interface (4) of screw rod (8) end in one, and on the respective side walls of transmission interface (4) and output shaft, be respectively equipped with through hole and the through hole that to place a place kick (6), with this through hole and run through corresponding connecting rod (2) but the surface then is provided with the recess (21) of holding portion place kick (6), and be provided with between the inner and transmission interface (4) at described connecting rod (2) and make connecting rod have the spring of side shifting trend (5) outward all the time, when described through hole, through hole and recess (21) are under the state that aligns, and described place kick (6) breaks away from behind the through hole and falls within described recess (21) and the through hole.
2, electric-hand driven two-purpose scissors-type jack according to claim 1 it is characterized in that the mouth of described output shaft (3) is a square shaft, and described hollow transmission interface (4) is a square hole.
3, electric-hand driven two-purpose scissors-type jack according to claim 1 and 2, it is characterized in that described speed reduction gearing is positioned at the casing (1) of band overcoat (11), accordingly, the outer jack of described screw rod (8) is provided with a fixed jacket (7), and this fixed jacket (7) has the structure that links to each other with casing overcoat (11).
4, electric-hand driven two-purpose scissors-type jack according to claim 3 is characterized in that described fixed jacket (7) and casing overcoat (11) all are the square of inserting mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037117 CN2717920Y (en) | 2004-06-24 | 2004-06-24 | Electric and hand-operated two-purpose scissors jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037117 CN2717920Y (en) | 2004-06-24 | 2004-06-24 | Electric and hand-operated two-purpose scissors jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717920Y true CN2717920Y (en) | 2005-08-17 |
Family
ID=34893063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420037117 Expired - Fee Related CN2717920Y (en) | 2004-06-24 | 2004-06-24 | Electric and hand-operated two-purpose scissors jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717920Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691414A (en) * | 2012-06-18 | 2012-09-26 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN103995542A (en) * | 2014-05-04 | 2014-08-20 | 江苏大学 | Level adjusting device and method thereof |
-
2004
- 2004-06-24 CN CN 200420037117 patent/CN2717920Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691414A (en) * | 2012-06-18 | 2012-09-26 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN102691414B (en) * | 2012-06-18 | 2014-08-20 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN103995542A (en) * | 2014-05-04 | 2014-08-20 | 江苏大学 | Level adjusting device and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201416302Y (en) | Transmission mechanism for novel electronic lock | |
| CN110509441A (en) | A kind of efficiently accurate perforating device of wallboard | |
| CN200984751Y (en) | Stamping and rotating type nylon flat ribbon punch | |
| CN2806068Y (en) | Plate type built-in driven large-torque hydraulic spanner | |
| CN2717920Y (en) | Electric and hand-operated two-purpose scissors jack | |
| CN201390957Y (en) | Novel plate rammer | |
| CN2254378Y (en) | Slow-speed rotating unit for ball mill | |
| CN101576128B (en) | Engaged clutch | |
| CN201751578U (en) | Compressor crankshaft turning device | |
| CN2584762Y (en) | Hand-electric integrated window slider for vehicle | |
| CN2749634Y (en) | Single knob controlled three-functional electric hammer | |
| CN101607466A (en) | A kind of automatic locking tailstock that is used for printing ink roller cleaning machine | |
| CN2811668Y (en) | Speed reducer for elevating device | |
| CN108591446B (en) | Parking mechanism of automatic gearbox | |
| CN2858142Y (en) | Multipurpose electric drill | |
| CN2913581Y (en) | Dynamic clamp actuating device | |
| CN2828126Y (en) | Clutch device of obstracter | |
| CN2757989Y (en) | Switch linked mechanical brake of electric chain saw rear handle | |
| CN2345671Y (en) | Electric rolling device of iron rolling door | |
| CN2296339Y (en) | Electric screw control jack | |
| CN211777167U (en) | Pneumatic control type driving turntable box | |
| CN213017358U (en) | Clutch device | |
| CN220575159U (en) | Main reducer synthesizes pressure equipment mechanism | |
| CN211073472U (en) | Electric hammer | |
| CN2673539Y (en) | Electric rivet drawing machine |
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 |