CN212769595U - Special jack for motor home - Google Patents
Special jack for motor home Download PDFInfo
- Publication number
- CN212769595U CN212769595U CN202021240545.7U CN202021240545U CN212769595U CN 212769595 U CN212769595 U CN 212769595U CN 202021240545 U CN202021240545 U CN 202021240545U CN 212769595 U CN212769595 U CN 212769595U
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- CN
- China
- Prior art keywords
- positioning
- top plate
- outer tube
- side frame
- positioning pins
- 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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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
A special jack for a motor home comprises an inner tube, an outer tube, a screw rod and a base, and is characterized in that an umbrella wheel set is arranged at the top end of the screw rod, a transverse transmission shaft is arranged on the umbrella wheel set, a frame-shaped top plate is transversely arranged at the top end of the outer tube, the left side frame and the right side frame of the top plate are connected with the outer tube in series through the transmission shaft, a circular positioning disc is clamped between the left side wall of the outer tube and the left side frame of the top plate, and a plurality of axial through holes which are; two external guide sleeves are arranged outside the left side frame of the top plate, positioning pins are arranged in the guide sleeves, a handle is arranged between the outer ends of the two positioning pins, the inner ends of the positioning pins penetrate through the left side frame of the top plate to be matched with positioning holes in the positioning disc, the matched positioning holes of the two positioning pins on the positioning disc form one hundred eighty degrees, the outer sections of the positioning pins are thinner than the inner sections, and springs are arranged on the outer sections of the positioning pins. The fixed connection plate type motor home jack solves the problems of inflexible operation and inconvenient carrying of the fixed connection plate type motor home jack, and is particularly suitable for being carried and used by a motor home.
Description
Technical Field
The utility model belongs to the technical field of car as a house maintenance supports machinery and specifically relates to a special jack that can carry along with car as a house.
Background
At present, the used motor home jacks are all provided with motor home connecting plates on the outer side surfaces of the outer tubes, and the motor home connecting plates are fixedly connected with the motor home.
Disclosure of Invention
The utility model discloses a solve the board-like car as a house jack of fixed connection, the operation is inflexible, carries inconvenient problem, has designed a jack on car as a house with positioner.
The technical scheme of the utility model is that, a special jack for motor home, which comprises an inner tube, an outer tube, a screw rod and a base, wherein the inner tube is sleeved in the outer tube, the screw rod is arranged in the inner tube, the base is arranged on the lower end head of the inner tube, a screw nut is arranged between the screw rod and the upper end of the inner tube, a bearing is arranged on the periphery of the screw rod on the upper side of the screw nut, and the bearing is connected with the outer tube;
the umbrella is characterized in that an umbrella wheel set is arranged at the top end of the screw rod, a transverse transmission shaft is arranged on the umbrella wheel set, and two ends of the transmission shaft penetrate through the left side wall and the right side wall of the outer pipe;
the top end of the outer tube is transversely provided with a frame-shaped top plate, the top plate is provided with a connecting hole, the left side frame and the right side frame of the top plate are connected with the outer tube in series through a transmission shaft, a circular positioning disc is clamped between the left side wall of the outer tube and the left side frame of the top plate and fixed on the outer surface of the left side wall of the outer tube, and the positioning disc is provided with a plurality of axial through holes which are circularly arranged and used as positioning holes;
two external guide sleeves are installed outside the left side frame of the top plate, positioning pins are installed in the guide sleeves, a handle is installed between the outer ends of the two positioning pins, the inner ends of the positioning pins penetrate through the left side frame of the top plate to be matched with positioning holes in the positioning disc, the matched positioning holes of the two positioning pins on the positioning disc form one hundred eighty degrees, the outer sections of the positioning pins are thinner than the inner sections, and springs are installed on the outer sections of the positioning pins.
When the device is used, the position and the angle of the base are well adjusted and fixed, the outer pipe and the inner pipe are in an upright state, the handle is pulled to drive the positioning pin (the compression spring) to leave the positioning hole, the top plate is rotated to adjust the direction of the top surface of the top plate and is connected with a caravan through the connecting hole, then the handle is released, and the spring pushes the positioning pin to be embedded into the corresponding positioning hole for locking; the rotating transmission shaft drives the screw rod to rotate through the umbrella wheel set, and the screw rod is matched with the bearing, the screw nut and the inner pipe to drive the outer pipe to drive the motor home to lift.
After the use, the pulling hand (hold) drives locating pin (extrusion spring) and leaves the locating hole, rotates the roof and makes the top surface of roof parallel with the preceding, the trailing flank of outer tube, with the base turn to with the top surface of roof on the coplanar, with the top surface of roof and base lug connection alright carry the removal on the car as a house.
The technical effect of the utility model is that, adopt above-mentioned technical scheme, can realize that one kind is easy to assemble carries the jack of use on the car as a house.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a view of the transmission part of the present invention.
Fig. 3 is a view of the rotation positioning portion of the present invention.
In the figure, 1 base, 2 inner tubes, 3 umbrella wheel sets, 4 connecting holes, 5 top plates, 6 transmission shafts, 7 handles, 8 guide sleeves, 9 positioning plates, 10 outer tubes, 11 lead screws, 12 bearings, 13 positioning holes, 14 nuts, 15 springs and 16 positioning pins.
Detailed Description
The present invention will be further explained with reference to the embodiments of the drawings.
In the special lifting jack for the caravan, an inner tube 2 is sleeved in an outer tube 10, a screw rod 11 is arranged in the inner tube 2, a base 1 is arranged on the lower end head of the inner tube 2, a screw nut 14 is arranged between the screw rod 11 and the upper end of the inner tube 2, a bearing 12 is arranged on the periphery of the screw rod 11 on the upper side of the screw nut 14, and the bearing 12 is connected with the outer tube 10;
the top end of the screw rod 11 is provided with an umbrella wheel group 3, the umbrella wheel group 3 is provided with a transverse transmission shaft 6, and the two ends of the transmission shaft 6 penetrate through the left side wall and the right side wall of the outer tube 10;
the top end of the outer tube 10 is transversely provided with a frame-shaped top plate 5, the top plate 5 is provided with a connecting hole 4, the left side frame and the right side frame of the top plate 5 are connected with the outer tube 10 in series through a transmission shaft 6,
a circular positioning disc 9 is clamped between the left side wall of the outer tube 10 and the left side frame of the top plate 5, the positioning disc 9 is fixed on the outer surface of the left side wall of the outer tube 10, and a plurality of circularly arranged axial through holes are formed in the positioning disc 9 and serve as positioning holes 13;
two external guide sleeves 8 are arranged outside the left side frame of the top plate 5, a positioning pin 16 is arranged in each guide sleeve 8, a handle 7 is arranged between the outer ends of the two positioning pins 16, the inner end of each positioning pin 16 penetrates through the left side frame of the top plate 5 to be matched with a positioning hole 13 in the positioning disc 9, the matched positioning holes 13 of the two positioning pins 16 on the positioning disc 9 form one hundred eighty degrees, the outer section of each positioning pin 16 is thinner than the inner section, and a spring 15 is arranged on the outer section of each positioning pin 16.
When the device is used, the position and the angle of the base 1 are adjusted and fixed, the outer pipe 10 and the inner pipe 2 are in an upright state, the handle 7 is pulled to drive the positioning pin 16 (the compression spring 15) to leave the positioning hole 13, the top plate 5 is rotated to adjust the direction of the top surface of the top plate 5 and is connected with a caravan through the connecting hole 4, then the handle 7 is released, and the spring 15 pushes the positioning pin 16 to be embedded into the corresponding positioning hole 13 for locking; the rotating transmission shaft 6 drives the screw rod 11 to rotate through the bevel pulley group 3, the screw rod 11 is matched with the bearing 12, the screw nut 14 and the inner tube 2, and the outer tube 10 is driven to drive the motor home to lift.
After the use, pulling handle 7 and driving locating pin 16 (extrusion compression spring 15) and leaving locating hole 13, rotating roof 5 and making the top surface of roof 5 parallel with the preceding, the trailing flank of outer tube 10, turn base 1 to with the top surface of roof 5 on the coplanar, with the top surface of roof 5 and base 1 lug connection alright carry the removal on the car as a house.
Claims (1)
1. A special jack for a motor home comprises an inner tube, an outer tube, a screw rod and a base, wherein the inner tube is sleeved in the outer tube, the screw rod is arranged in the inner tube, the base is arranged on the lower end head of the inner tube, a screw nut is arranged between the screw rod and the upper end of the inner tube, a bearing is arranged on the periphery of the screw rod on the upper side of the screw nut, and the bearing is connected with the outer tube;
the method is characterized in that: the top end of the screw rod is provided with an umbrella wheel set, the umbrella wheel set is provided with a transverse transmission shaft, and two ends of the transmission shaft penetrate through the left side wall and the right side wall of the outer pipe;
the top end of the outer tube is transversely provided with a frame-shaped top plate, the top plate is provided with a connecting hole, the left side frame and the right side frame of the top plate are connected with the outer tube in series through a transmission shaft, a circular positioning disc is clamped between the left side wall of the outer tube and the left side frame of the top plate and fixed on the outer surface of the left side wall of the outer tube, and the positioning disc is provided with a plurality of axial through holes which are circularly arranged and used as positioning holes;
two external guide sleeves are installed outside the left side frame of the top plate, positioning pins are installed in the guide sleeves, a handle is installed between the outer ends of the two positioning pins, the inner ends of the positioning pins penetrate through the left side frame of the top plate to be matched with positioning holes in the positioning disc, the matched positioning holes of the two positioning pins on the positioning disc form one hundred eighty degrees, the outer sections of the positioning pins are thinner than the inner sections, and springs are installed on the outer sections of the positioning pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240545.7U CN212769595U (en) | 2020-06-30 | 2020-06-30 | Special jack for motor home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240545.7U CN212769595U (en) | 2020-06-30 | 2020-06-30 | Special jack for motor home |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212769595U true CN212769595U (en) | 2021-03-23 |
Family
ID=75086099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021240545.7U Expired - Fee Related CN212769595U (en) | 2020-06-30 | 2020-06-30 | Special jack for motor home |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212769595U (en) |
-
2020
- 2020-06-30 CN CN202021240545.7U patent/CN212769595U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |