Light automobile maintenance jack
Technical Field
The utility model relates to an auto repair field, in particular to light automobile maintenance jack.
Background
The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.
Many jacks used for automobile maintenance are difficult to control jack-up positions in the using process, because an automobile is not a flat straight object, when a vertex is selected, if the selection is improper, the jacks can easily slide down in the maintenance process, unnecessary loss and damage are caused, and meanwhile most of the existing equipment is not easy to carry and install if the automobile goes out for maintenance in the storage process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a light automobile maintenance jack can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a light automobile maintenance jack, includes the main part, the upper end fixed mounting of main part has last swivel nut, the axle center threaded connection who goes up the swivel nut has last screw rod, the upper end fixed mounting who goes up the screw rod has kicking block device, the lower extreme fixed mounting who goes up the screw rod has the center post, the swivel nut under the lower extreme fixedly connected with of main part, the axle center department threaded connection of swivel nut has lower screw rod down, the screw rod has been cup jointed down in the outside of center post, the lower extreme welding of screw rod has the base down, the inside of base is provided with the mobile device, the outer fixed surface of main part installs the turning handle device.
Preferably, the kicking block device major structure has kicking block and top position post, the inside of kicking block is provided with four groups of top position posts, the equal fixed mounting rubber pad in upper end of top position post, and the position all placed a plurality of marble with the lower extreme of the top position post of front and back position about and.
Preferably, two sets of U type grooves are seted up to the inside of kicking block, the equal sliding connection of top position post and marble is on the inner wall in U type groove, and two sets of U type grooves do not communicate with each other.
Preferably, the main structure of the rotating handle device is provided with a rotating handle, a tapered hole is formed in the rotating handle, a tapered column is sleeved on the inner wall of the tapered hole, the left end of the tapered column is fixedly connected with a lengthened rotating handle, the left end of the lengthened rotating handle is movably connected with a rear cap, and a movable groove is formed in the right end of the rotating handle.
Preferably, the handle devices are arranged in three groups in a central circular array of the main body, and the three groups of handle devices are clamped on the outer surface of the outer sleeve.
Preferably, the outer surface of the main body is sleeved with an outer sleeve, the main structure of the mobile device is provided with four groups of fixing seats, springs are placed inside the four groups of fixing seats, the lower parts of the fixing seats are rotatably connected with ball wheels, the upper surfaces of the ball wheels are located at the lower ends of the springs, and the upper ends of the fixing seats are fixedly connected to the lower ends of the bases.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a light automobile maintenance jack, through the turning handle device, can remove or install four carry-on top post and carry out the effect of supporting uneven face, inside marble can be according to different inclined planes, paste tightly automatically, when the left end is high, the right-hand member is low, the object presses down the carry-on top post of right-hand member, then can jack up the carry-on top post of left end, thereby reach the effect of jacking up uneven inclined plane, the effect that leads to the landing of that point contact that reduces, then take it off from the turning handle through twisting the back cap, take out the extension turning handle, can increase the turning moment, reduce user's hard, turning handle device joint is on the overcoat simultaneously, when not using, can upwards pack up three groups of turning handle devices, reduce the space of depositing, and is more portable, can remove the extension turning handle according to the object of different weight simultaneously, the effect of rethread ball wheel can carry out quick travel to whole equipment, and when the in-process of equipment bearing, the ball wheel atress contracts to the fixing base in, whole device just plays a fixed position's effect, and when whole device not atress, the ball wheel is because of spring atress roll-off fixing base to reach whole equipment, automatic positioning after the atress, then can quick travel if not atress, can play quick transfer, the effect of quick use to the auto repair.
Drawings
FIG. 1 is a schematic view of the overall structure of a light truck maintenance jack according to the present invention;
FIG. 2 is a schematic cross-sectional view of a light truck maintenance jack according to the present invention;
FIG. 3 is a schematic cross-sectional view of a jacking block device of the light vehicle maintenance jack of the present invention;
FIG. 4 is a schematic cross-sectional view of a handle device of a light truck maintenance jack according to the present invention;
fig. 5 is a schematic sectional view of a moving device of a light automobile maintenance jack of the present invention.
In the figure: 1. a main body; 2. an upper threaded sleeve; 3. an upper screw rod; 4. a top block device; 41. a top block; 42. a U-shaped groove; 43. a top position column; 44. a rubber pad; 45. a marble; 5. a jacket; 6. a lower screw rod; 7. a base; 8. a stem turning device; 81. a handle is rotated; 82. a tapered hole; 83. a movable groove; 84. a back cap; 85. a tapered post; 86. lengthening the rotating handle; 9. a central column; 10. a mobile device; 101. a ball wheel; 102. a fixed seat; 103. a spring; 11. and a lower thread insert.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, a light automobile maintenance jack, includes a main body 1, an upper screw sleeve 2 is fixedly installed at the upper end of the main body 1, an axis of the upper screw sleeve 2 is in threaded connection with an upper screw rod 3, an upper end of the upper screw rod 3 is fixedly installed with a jacking block device 4, a lower end of the upper screw rod 3 is fixedly installed with a central column 9, a lower screw sleeve 11 is fixedly connected with the lower end of the main body 1, a lower screw rod 6 is in threaded connection with the axis of the lower screw sleeve 11, a lower screw rod 6 is sleeved on the outer side of the central column 9, a base 7 is welded at the lower end of the lower screw rod 6, a moving device 10 is arranged inside the base 7, and a rotating handle.
The jacking block device 4 mainly structurally comprises a jacking block 41 and jacking columns 43, four groups of jacking columns 43 are arranged inside the jacking block 41, rubber pads 44 are fixedly arranged at the upper ends of the jacking columns 43, the friction force of point contact is increased to a greater extent by the rubber pads 44, an object cannot slide down in the bearing process, and a plurality of marbles 45 are arranged at the lower ends of the jacking columns 43 at the left part, the right part and the front part and the rear part; the marble 45 can automatically control different inclined planes contacted with the rubber pad 44, two groups of U-shaped grooves 42 are formed in the top block 41, the top position column 43 and the marble 45 are connected to the inner wall of the U-shaped groove 42 in a sliding mode, the two groups of U-shaped grooves 42 are not communicated, and the marble 45 can be clamped together if the two groups of U-shaped grooves 42 are communicated; the main structure of the handle device 8 is provided with a handle 81, a tapered hole 82 is arranged in the handle 81, a tapered column 85 is sleeved on the inner wall of the tapered hole 82 and can be pulled out or pushed in manually, so that the space is further saved, the left end of the tapered column 85 is fixedly connected with a lengthened handle 86, the torque can be increased, the force used by a user is reduced, the left end of the lengthened handle 86 is movably connected with a rear cap 84, and the right end of the handle 81 is provided with a movable groove 83; the outer surface of the main body 1 is sleeved with the outer sleeve 5, three groups of the handle devices 8 are arranged in a central circular array of the main body 1, and the three groups of the handle devices 8 are clamped on the outer surface of the outer sleeve 5, so that the handle devices 8 can be folded, the space is saved, and the carrying is convenient; the main structure of the mobile device 10 has four fixing bases 102, and springs 103 are disposed inside the four fixing bases 102, the lower portions of the fixing bases 102 are rotatably connected with ball wheels 101, the upper surfaces of the ball wheels 101 are located at the lower ends of the springs 103, and the upper ends of the fixing bases 102 are fixedly connected to the lower end of the base 7.
It should be noted that the utility model relates to a light automobile maintenance jack, through rotating the turning handle device 8, will drive the upper screw rod 3 to move slowly upwards and reach an effect of pushing up, after the kicking block device 4 pushes up the position of pushing up, can carry out the effect of supporting the face of unevenness through removing or installing four top position posts 43, inside marble 45, can according to different inclined planes, the automatic hugging closely, when the left end is high, the right-hand member is low, the object pushes down the top position post 43 of right-hand member, then can jack up the top position post 43 of left end, then take it off from 81 turning handles through twisting the back cap 84, take out extension turning handle 86, can increase turning moment, can pull out extension turning handle 86 according to the object of different weight, and then through the effect of ball wheel 101, can carry out the effect of moving fast to whole equipment, in-process of the equipment bearing, the ball wheel 101 is stressed to be contracted into the fixed seat 102, the whole device has the effect of fixing the position, and when the whole device is not stressed, the ball wheel 101 slides out of the fixed seat 102 due to the stress of the spring 103.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.