CN203144009U - Jack with supporting leg - Google Patents

Abstract

The utility model discloses a jack with a supporting leg, which comprises an internal cylinder, an external cylinder, a supporting hook and a base, the outer wall of the internal cylinder is provided with a groove, the supporting leg is articulated in the groove, a No.2 through hole and a No.2 check block are arranged on the side of the groove, the No.2 check block is arranged on the No.2 through hole through a No.2 bolt inserted in the No.2 through hole, and can be turned by 360 degrees around the No.2 bolt, and the No.2 check block is fixed on the other end of the supporting leg. The supporting leg can be freely retracted and put down, and is placed in the groove when not in use, and moreover, the No.2 check block can be used for fixing the supporting leg, so that the supporting leg cannot shake to affect the normal use of the jack. The jack with the retractable supporting leg, which is provided by the utility model, is safer.

Description

A kind of jack with feet

Technical field

The utility model belongs to a kind of jack with feet.

Background technology

Jack is that a kind of the top with rigidity lifted part as equipment, the light little weight-lifting equipment of jacking weight in stroke by top bracket or bottom claw.Can be divided into 3 kinds of tooth bar jack, lifting screw and hydraulic jacks by architectural feature.The kind of car jack can be divided into four kinds of tooth bar jack, lifting screw and hydraulic jack and inflatable jacks.Jack is the simplest weight-lifting equipment of a kind of lifting highly little (less than 1m), and it has two kinds of mechanical type and fluid pressure types.The mechanical type jack has rack-and-pinion and spiral two kinds again, because hoisting capacity is little, the operation effort generally only is used for flight-line maintenance work, and is inapplicable in repairing the bridge process.Fluid pressure type jack structure compactness, stable working has self-locking action, so use extensively.Its shortcoming is that lifting is highly limited, and lifting velocity is slow.In the daily life, also have a kind of rescue jack, this class jack is broken the normal procedure, and jack is provided with two and colludes, and colludes and then automobile is lifted rising with colluding wheel hub with motor tire.But this class jack bottom surface area of contact is less, automobile is lifted jack is at a slight tilt in the process, and jack is skidded, and automobile just can directly drop, and not only may cause safety misadventure, and may damage car.

Summary of the invention

The utility model provides a kind of safer jack of retractable feet that has at the prior art deficiency.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of jack with feet, comprise that inner core, urceolus, support collude and base, described inner tank theca is provided with groove, be hinged with feet in the described groove, described groove limit is provided with through hole No. two, also be provided with block No. two, described No. two blocks are located on No. two through holes by No. two bolts, described No. two blocks can be along No. two bolt 360 deg rotations, and described No. two blocks are fixed the described feet other end.Feet can freely be packed up and put down, and feet is not placed in the groove when not using, and available No. two blocks fix feet, and it is not rocked, and does not influence the normal use of jack.

In the technique scheme, be provided with magnet in the described groove.Magnet can attract feet, and it is not rocked.

In the technique scheme, described feet lands to hold and is the L type.L type pin increases the area of contact on feet and ground, stable support effect.

In the technique scheme, described base below is provided with the rubber tooth.Increase the contact friction force on base and ground, prevent that jack from skidding.

The utility model compared with prior art, have following beneficial effect: the utility model is set up feet, when preventing jack rising weight, jack tilts to cause safety misadventure.Feet can freely be packed up and put down, and feet is not placed in the groove when not using, and available No. two blocks fix feet, and it is not rocked, and does not influence the normal use of jack.Be provided with magnet in the groove, can attract feet, it is not rocked.L type pin increases the area of contact on feet and ground, stable support effect.The rubber tooth increases the contact friction force on base and ground, prevents that jack from skidding.

Description of drawings

Fig. 1 is not with cylinder pipe link scheme drawing for embodiment 1 utility model.

Fig. 2 is embodiment 1 utility model band cylinder pipe link scheme drawing.

Fig. 3 is cylinder pipe link among the embodiment 1, supporting blade, fixed plate separation scheme drawing.

Fig. 4 is inner core and urceolus link scheme drawing in the prior art.

Fig. 5 is embodiment 2 utility model scheme drawings.

Fig. 6 is B place enlarged diagram among Fig. 5.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail: embodiment 1: referring to Fig. 1 ~ 4, a kind of jack with supporting blade, comprise urceolus 2 and inner core 1, support and to collude 3 and base 4, described inner core 1 is located in the urceolus 2 and is lower than urceolus 2 tops, described urceolus 2 tops are provided with screw rod 15, described screw rod 15 passes inner core 1 and is threaded with the nut 12 that is fixed on inner core 1, be provided with the bearing 13 of support guide between urceolus 2 tops and the screw rod 15, urceolus 2 is stretched out in inner core 1 bottom.Screw rod 15 other ends connect handle 14, rely on and shake handle 14, make inner core straight-line motion about in the of 1.

Described base 4 is hinged with supporting blade 5, and described supporting blade 5 can be according to the rotation of base 4 360 degs, and described base 4 is fixedly connected with cylinder pipe link 9, and the convenient rotation of cylinder reduces friction.Described supporting blade 5 is provided with the through hole 10 that cooperates described cylinder pipe link 9, and the through hole 10 of supporting blade 5 puts cylinder pipe link 9, around cylinder pipe link 9, but the rotation of supporting blade 5 360 degs.After described cylinder pipe link 9 passed through hole 10 on the supporting blade 5, fixed plate 11 was gone up in other end welding, prevents that supporting blade 5 from dropping.

Described supporting blade 5 comprises first supporting blade 6, second supporting blade 7 and the 3rd supporting blade 8, described first supporting blade, 6 hinged second supporting blades 7, described second supporting blade, 7 hinged the 3rd supporting blades 8.Above-mentioned through hole 10 is arranged on second supporting blade, 7 center-points, and same, cylinder pipe link 9 is located on the through hole 10 of second supporting blade 7.First supporting blade, 6 width are half of second supporting blade 7, the 3rd supporting blade 8 width also are half of second supporting blade 7, first supporting blade, 6 width are the same with the 3rd supporting blade 8 width, first supporting blade 6 passes through hinge-point, can be toward 7 turnovers of second supporting blade, and turnover back first supporting blade 6 is positioned on second supporting blade 7, and the 3rd supporting blade 8 also can turn down in the same way on second half of second stay bearing plate 7.Described supporting blade 5 is preferably oblong, is fit to notch cuttype ground.

Set up supporting blade 5 and enlarged the area of contact of base 4 with ground, make jack safer, supporting blade 5 is rotatable collapsible, is applicable to type ground, various road, such as notch cuttype ground.When on the road surface of automobile on ladder next door during et out of order, when jack base 4 is placed on the ladder, base 4 part meeting built on stilts, part that can't kiss the earth does not just have the effect of supporting jack, weight can't be supported more when built on stilts part proportion is big, but also safety misadventure can be produced.The oblong supporting blade 5 that base 4 arranges below and this supporting blade 5 be rotatable to have solved such problem.When supporting blade 5 built on stilts part proportions for a long time, rotation supporting blade 5 nine ten degree, owing to be oblong, after the rotation, originally the area proportion of built on stilts reduces greatly, this is owing to the oblong given shape causes, and makes the weight that supports that jack also can safety and steady on the ladder road surface.

Embodiment 2: compare with embodiment 1, difference is, the supporting tool difference that described jack increases, and all the other are all identical.

Referring to Fig. 4 ~ 6, described inner core 1 outer wall is provided with groove 115, and groove 115 is rectangular build, and an end is hinged with feet 116 in the described groove 115, and feet 116 can wholely be placed in the groove 115.Described feet 116 lands to hold and is the L type, and L type pin increases the area of contact on feet 116 and ground, stable support effect.Be provided with magnet in the described groove 115, magnet can attract feet, and it is not rocked.

Described groove 115 limits are provided with through hole 117 No. two, also be provided with block 118 No. two, described No. two blocks 118 are located on No. two through holes 117 by No. two bolts 119, No. two bolt 119 passes No. two blocks 118 and penetrates through hole 117 No. two, described No. two blocks 118 can be along No. two bolt 119 360 degs rotations, described No. two blocks 118 rotate on the feet 116, and fixing described feet 116 other ends prevent that feet 116 from rocking along pin jointed end.

Described feet 116 is taken out in groove 115 when needs use, and vertical ground is placed, and L type pin can be good at supporting jack, and the setting of feet 116 is when preventing jack rising weight, and jack tilts to cause safety misadventure.But when not needing to use, feet 116 is placed in the groove 115 simultaneously, and uses No. two blocks 118 or magnet to be fixed, do not influence the normal use of jack.

Described base can arrange the rubber tooth 4 times, can increase the contact friction force on base 4 and ground, prevents that jack from skidding.

Claims (4)

1. jack with feet, comprise inner core (1), urceolus (2), (3) and base (4) are colluded in support, it is characterized in that: described inner core (1) outer wall is provided with groove (115), be hinged with feet (116) in the described groove (115), described groove (115) limit is provided with No. two through holes (117), also be provided with No. two blocks (118), described No. two blocks (118) are located on No. two through holes (117) by No. two bolts (119), described No. two blocks (118) can be along the rotation of No. two bolts (119) 360 deg, and described No. two blocks (118) are fixed described feet (116) other end.

2. a kind of jack with feet as claimed in claim 1, it is characterized in that: described groove is provided with magnet in (115).

3. a kind of jack with feet as claimed in claim 1 is characterized in that: described feet (116) lands end and is the L type.

4. a kind of jack with feet as claimed in claim 1 is characterized in that: be provided with the rubber tooth below the described base (4).

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