CN203095506U - Device capable of lifting height of lifting jack - Google Patents

Abstract

The utility model discloses a device capable of lifting the height of a lifting jack. The device comprises the lifting jack. The lifting jack comprises four supporting arms, wherein a base is arranged at the position where a first supporting arm and a second supporting arm are connected, and a third supporting arm and a fourth supporting arm are provided with trays. One side of the base is hinged to at least two third supporting legs, the other side, corresponding to the side, of the base is hinged to at least two third supporting legs, at least two second clamping grooves are formed in the third supporting legs, openings of the second clamping grooves face outwards the outer side of the base, and sixth connecting rods which are connected to the third supporting legs on the same side are further arranged on the third supporting legs, two ends of each sixth connecting rods are in a bending shape. Directing at the defects of the prior art, a rising device used in the lifting jack is provided. Directing at limitation of the lifting height of the frequently-used scissors-type automobile lifting jack, the device capable of lifting the height of the lifting jack overcomes the defects of the prior art, at the same time, does not influence stability of supporting, is convenient and simple to use, and increases the range of the using height of the lifting jack.

Description

A kind of device of raising the jack height

Technical field

The utility model belongs to a kind of device of raising the jack height.

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 rank-and-pinion jack, lifting screw and hydraulic jacks by architectural feature.Jack is the simplest weight-lifting equipment of a kind of lifting highly little (less than 1m).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.The kind of car jack can be divided into four kinds of rank-and-pinion jack, lifting screw and hydraulic jack and inflatable jacks.Car jack commonly used has a common ground, and the height of rising has significant limitation, and rise height is not high, and for the higher automobile in chassis, this class car jack just can't play a role.This has brought certain puzzlement for friend car owner, the jack that needs the higher car in a kind of simple and convenient chassis to use.

Summary of the invention

The utility model provides the jack rising device of energy additive incrementation jack height 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 device of raising the jack height, comprise jack, described jack comprises first hold-down arm, second hold-down arm, the 3rd hold-down arm, the 4th hold-down arm, described first hold-down arm and the 3rd hold-down arm flexibly connect, described second hold-down arm and the 4th hold-down arm flexibly connect, described first hold-down arm and second hold-down arm support and connection place are provided with base, and described the 3rd hold-down arm and the 4th hold-down arm are provided with pallet.Described base one side is hinged with at least two No. three feets, be hinged with at least two No. three feets with the corresponding opposite side of this side, described No. three feets are provided with at least two No. two draw-in grooves, described No. two draw-in groove openings are towards chassis outer side, also be provided with No. six pipe links that connect No. three feets of homonymy, described No. six pipe link two ends are bending.

In the technique scheme, described chassis side is provided with magnet.Magnet is used for fixing feet No. three, prevents when No. three feets do not use, and rocking of No. three feets causes extra trouble.

In the technique scheme, the every side of described base four sides is provided with at least two No. three feets.Four sides all are provided with No. three feets makes device more firm aspect support.

In the technique scheme, described No. three feet kiss the earth one ends are provided with kink.Set up kink to increase No. three feets and ground-surface area of contact, make device more firm.

In the technique scheme, spacing is identical between No. two draw-in grooves on described No. three feets, and the joint face of No. two draw-in grooves on two No. three feets of described homonymy is parallel to ground.Device stability is better after loading onto No. six pipe links.

The utility model compared with prior art has following beneficial effect: the utility model is provided for the rising device on the jack at the prior art deficiency.For the limitation of scissors car jack rise height commonly used, the utility model has overcome this problem, does not influence the stability of support simultaneously, and is also convenient and simple during use, increased jack and used scope highly.Chassis side is provided with magnet and fixes feet No. three, prevent when No. three feets do not use, rocking of No. three feets causes extra trouble, four sides all are provided with No. three feets makes device more firm aspect support, set up kink to increase No. three feets and ground-surface area of contact, make device more firm.

Description of drawings

Fig. 1 is the scissors-type jack scheme drawing.

Fig. 2 is a base elevational schematic view among the embodiment 1.

Fig. 3 is that feet is opened when supporting and base bonded assembly scheme drawing among the embodiment 1.

Fig. 4 is that No. two feets are opened when supporting and base bonded assembly scheme drawing among the embodiment 2.

Fig. 5 is a base elevational schematic view among the embodiment 2.

Fig. 6 is a rising device scheme drawing among the embodiment 3.

Fig. 7 is a base elevational schematic view among the embodiment 3.

Fig. 8 is a B place enlarged diagram among Fig. 6.

Fig. 9 is a base elevational schematic view among the embodiment 4.

Figure 10 is that No. three feets are opened when supporting and base bonded assembly scheme drawing among the embodiment 5.

Figure 11 is No. six pipe link enlarged diagrams among the embodiment 5.

Figure 12 is a base elevational schematic view among the embodiment 6.

Figure 13 is No. four feet scheme drawings among the embodiment 6.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail: embodiment 1: referring to Fig. 1 ~ 3, a kind of jack that is used for cross-country car, comprise first hold-down arm 1, second hold-down arm 2, the 3rd hold-down arm 3, the 4th hold-down arm 4, described first hold-down arm 1 and the 3rd hold-down arm 3 flexibly connect by first active connection part 12, described second hold-down arm and the 4th hold-down arm flexibly connect by second active connection part 13, first active connection part 12 and second active connection part 13 are all passed by a screw rod 14, screw rod 14 can connect handle 15, and handle 15 shakes screw rod 14 and makes the jack rise and fall.Described first hold-down arm 1 and 2 support and connection place of second hold-down arm are provided with base 5, and described the 3rd hold-down arm 3 and the 4th hold-down arm 4 are provided with pallet 6.

Described base 5 belows are provided with at least three feets 7, and feet 7 need be thicker iron staff or rod iron, because feet 7 has replaced base 5 to be used for supporting weight.Described feet 7 one ends and base 5 are articulated and connected, and the hinged feet 7 that makes can rotate along pivotally attached point.Described feet 7 is provided with the elastic parts 8 that connects base 5, elastic parts 8 first-selected springs, and the cheap and buying easily of spring, practical, telescopicing performance is good.Feet 7 makes feet 7 when not using with hinged the adding of base 5 being connected of elastic parts 8 betweens, abuts against on the base 5, does not influence when not needing to use feet 7 the normal use of jack.Described base 5 belows, the limit that feet 7 hinged bases are 5 is provided with groove 9, groove 9 is a circular rings around the point of feet 7 hinged bases 5, also can be vertical support pin 7 placement locations, described groove 9 is provided with sliding block 10, and sliding block 10 can be free to slide in groove 9, is provided with at least one buckle 11 in the described groove 9, sliding block 10 slides on any one buckle 11, can both be pinned by buckle 11.Sliding block 10 is used for supported pin 7.Buckle 11 is scalable, presses buckle 11, and buckle 11 inwardly shrinks, and mobile sliding block 10 unclamps buckle 11, and buckle 11 outwards ejects, and buckle 11 withstands sliding block 10.

Described feet 7 kiss the earths one end bends 90 degree angles.Set up 90 degree kinks, make the area of kiss the earth bigger, supportive 7 is better.

During use, feet 7 is drawn back, mobile sliding block 10 in groove 9, according to customer requirement, sliding block 10 stops on any one buckle 11, and barrier support pin 7 returns base 5, pinning buckle 11 under the pulling force of elastic parts 8.Feet 7 withstood on the sliding block 10 and formed stationary state this moment.Use the same method other three feets 7 are drawn back, pulsation-free is placed on the position that needs support, with handle 15 connecting screw rods 14, and shakes screw rod 14, jack rising jack-up object.

Behind the end of operation, reversing sense shakes handle 15, and jack is descended, and opens buckle 11, and sliding block 10 is removed along groove 9, and feet 7 is got back to the home position under the effect of elastic parts 8.

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

Referring to Fig. 1, Fig. 4 and Fig. 5, be used for the jack of cross-country car, described base 5 belows are provided with 107, No. two feets 107 of at least three No. two feets need be thicker iron staff or rod iron, because No. two feets 107 have replaced base 5 to be used for supporting weight.Described No. two feet 107 1 ends and base 5 are articulated and connected, and hinged No. two feets 107 can be rotated along pivotally attached point.Described No. two feets 107 are provided with 108, No. three elastic partss of No. three elastic partss, the 108 first-selected springs that connect described base 5, the cheap and buying easily of spring, and practical, telescopicing performance is good.No. two feet 107 makes No. two feets 108 when not using with hinged the adding of base 5 being connected of No. three elastic parts 108 betweens, abuts against on the base 5, does not influence when not needing to use No. two feets 107 the normal use of jack.Described No. two feets 107 are provided with connecting bore 109, described base 5 belows also are hinged with to match with described connecting bore and are used to be connected the hook 110 of No. two feets 107, hook 110 is provided with 111, No. two elastic partss of No. two elastic partss, 111 coupling hooks 110 in base 5.Connecting bore 109 is used to link up with 110 and follows No. two connections between the feet 107.Hook 110 be first point with the hinge-point of base 5, and No. two feets 107 are second point with the hinge-point of base 5, and No. two feets 107 are the 3rd point with the point of connection of linking up with 110, and these 3 are connected to form a triangle, fix feet 107 No. two.

Described No. two feets 107 kiss the earths one end is at right angles.Set up 90 degree kinks, make the area of kiss the earth bigger, supportive is better.

During use, No. two feets 107 are drawn back, then will link up with 110 and draw back, hook 110 is put into the connecting bore 109 on the feet 107 No. two, fix feet 107 No. two, same mode is fixed other several No. two feets 107.Then handle 15 is connected with screw rod 14, shakes handle 15 jack is risen, finish the operation that to carry out.

After finishing using, reversing sense shakes handle 15, and jack is descended, then will link up with 110 takes out from connecting bore 109, because the effect of No. three elastic partss 108 and No. two elastic partss 111, No. two feet 107 is got back to the home position separately with hook 110, and base 5 reclines.Do not influence when not needing to use No. two feets 107 the normal use of jack.

Embodiment 3: compare with embodiment 1, difference is that described jack increases the mode difference, and all the other are all identical.

Referring to Fig. 1, Fig. 6 ~ 8, a kind of rising device that is used on the jack, also comprise No. two bases 205 and No. two pallets 206, hinged No. two attaching partss 207 of described No. two base 205 1 ends, hinged No. four attaching partss 209 of described No. two attaching parts 207 other ends, hinged No. two pallets 206 of described No. four attaching parts 209 other ends, hinged No. five attaching partss 210 of described No. two pallet 206 other ends, hinged No. three attaching partss 208 of described No. five attaching parts 210 other ends, the other end of described No. three hinged described No. two bases 205 of attaching parts 208 other ends.In above-mentioned, No. two attaching partss 207, No. three attaching partss 208, No. four attaching partss 209, No. five attaching partss 210, No. two pallets 206 and No. two bases 205 form one close-shaped.

Be hinged with fixed link 211 No. two on described No. four attaching partss 209, and also be provided with the anchor fitting 213 that is used for fixing No. two fixed links 211 on No. four attaching partss 209, this anchor fitting 213 can be a magnet, No. two fixed links 211 of attraction, easy to use, the magnet buying is also convenient.

Described No. two attaching partss 207 are provided with groove 212 No. two, and after described rising device increased, the other end of No. two fixed links 211 was connected with No. two grooves 212, and No. two groove 212 is fixed No. two fixed links 211.Same, on No. five attaching partss 210 and No. three attaching partss 208, also can be provided with No. two fixed links 211 and No. two grooves 212.

Described No. two pallets 206 can be welded on the base 5, and it is more firm to weld, and bonded assembly is of a specified duration service life, does like this, and rising device and scissors-type jack are with eternal linking together.No. two pallets 206 also can be arranged to the pattern that can be separated with scissors-type jack.Can be provided with draw-in groove 214 by described base 5, described No. two pallets 206 are provided with fixture block 215, during use, described fixture block 215 is placed on the described draw-in groove 214 fixes; When not using, fixture block 215 is separated draw-in groove 214, take away rising device and get final product.

The utility model in use, jack is leaned to one side, draw back base 205 No. two, this moment is because the distance of No. two bases 205 and No. two pallets 206 is increasing, and No. two attaching partss 207, No. three attaching partss 208, No. four attaching partss 209 and No. five attaching partss 210 pass through hinge-point, stretching is slowly come, then No. two fixed links 211 are unclamped, and be connected, fix the shape of rising device with No. two grooves 212, shake handle 15 again, use the jack rising complete operation of rising device top.

After using end, No. two fixed links 211 are separated with No. two grooves 212, on No. four attaching partss 209, fix No. two fixed link 211, again No. two bases 205 and No. two pallets 206 are got final product until fitting apart from slowly close.

Embodiment 4: compare with embodiment 1, difference is that described jack increases the mode difference, and all the other are all identical.

Referring to Fig. 1, Fig. 9, be used for the rising device on the jack, described first hold-down arm 1 and 2 support and connection place of second hold-down arm are provided with base 5, and described the 3rd hold-down arm 3 and the 4th hold-down arm 4 are provided with pallet 6.Offer No. three grooves 307 that are complementary with described pallet 6 on the described base 5, described No. three grooves 307 and described pallet 6 interference fit, interference fit can increase the bonded assembly fastness.The mode of interference fit can have a variety of.No. three groove 307 inwalls are provided with a plurality of projections 308, and being provided with 309, No. four elastic partss 309 of No. four elastic partss between described each projection 308 and No. three groove 307 inwalls can be spring, and spring is cheap, buying easily, and retractility is good.6, No. four elastic partss 309 of projection 308 contact pallets are shunk by the pressure that enters of pallet 6, simultaneously also to 6 one bounces of pallet, compress pallet 6, make be connected between pallet 6 and No. three grooves 307 more firm.

In No. three grooves 307, some magnet can also be set, because normally used scissors car jack is irony, can produce an attractive force to pallet 6 with magnet contact pallet 6, make to be connected closelyr between pallet 6 and No. three grooves 307, be difficult for more becoming flexible or dropping.

In use, the pallet 6 of a jack can be entered into No. three grooves 307 of another base 5, and be connected, can a plurality of stacks increase height with No. three groove 307 interference fit.

Embodiment 5: compare with embodiment 1, difference is that described jack increases the mode difference, and all the other are all identical.

Referring to Fig. 1, Figure 10 and Figure 11, a kind of device of raising the jack height, described base 5 one sides are hinged with at least two No. three feets 407, it is to consider may set level influential to base 5 after No. three feets 407 are packed up that No. three feets 407 are hinged on base 5 sides, be arranged on base 5 sides, after packing up original base 5 kiss the earths, more stable relatively.Be hinged with at least two No. three feets 407 with the corresponding opposite side of this side, the both sides that No. three feets 407 are set here are the character of base about 5 or base 5 front and back.

Described No. three feets 407 are provided with at least two No. two draw-in grooves 408, and described No. two draw-in groove 408 openings are called towards the inboard of base 5 towards base 5 center-points from base 5 edges towards base 5 outsides, otherwise then are towards base 5 outsides.Also be provided with No. six pipe links 409 that connect No. three feets 407 of homonymy, No. six pipe links 409 are independently parts, described No. six pipe link 409 two ends are bending, the bending part of No. six pipe links 409 and No. two draw-in grooves 408 are complementary, No. six pipe link 409 bending parts are placed in No. two grooves 408, and two No. three feets 407 of homonymy are connected and fixed.The setting of above-mentioned a plurality of No. two draw-in grooves 408, the difference of rise height is arbitrarily placed the positions of No. six pipe links 409 as required, and best results is placed on the parallel ground of described No. six pipe links.

Spacing is identical between No. two draw-in grooves 408 on described No. three feets 407, visually more attractive in appearance, the joint face of No. two draw-in grooves 408 on two No. three feets 407 of described homonymy is parallel to ground, No. two draw-in groove 408 is used for installing pipe link 409 No. six, joint face between No. two draw-in grooves 408 is parallel to ground and impels No. six pipe links 409 after installing also to be parallel to ground, make No. three connections between the feet 407 more firm, if be not parallel to ground after No. six pipe link 409 installs, may cause No. six pipe link 409 1 ends to come off, device safety meeting reduces.

Described base 5 sides are provided with magnet, and magnet is used for fixing feet 407 No. three, prevent when No. three feets 407 do not use, and rocking of No. three feets 407 causes extra trouble.

The every side of described base 5 four sides is provided with at least two No. three feets 407.Four sides all are provided with No. three feets 407 makes device more firm aspect support.

Described No. three feets 407 kiss the earths one end is provided with kink.Set up kink to increase No. three feets 407 and ground-surface area of contact, make device more firm.

During use, two No. three feets 407 of homonymy are separated with magnet, toward drop-down, No. six pipe links 409 are put into No. two draw-in grooves 408 on the same parallel faces on two No. three feets 407 respectively, the height difference of Shang Shenging is arbitrarily put into cooresponding No. two draw-in grooves 408 with No. six pipe links 409 as required, and same mode places No. three feets 407 of other several side, shake handle, the jack complete operation of the top of rising.

After finishing using, reversing sense shakes handle 15, and the decline jack is taken out No. six pipe links 409 from No. two draw-in grooves 408, pack up feet 407 No. three, and No. three feets 407 are contacted with magnet, and magnet is fixed feet 407, save set No. three.The utility model has overcome this problem, does not influence the stability of support simultaneously, and is also convenient and simple during use, increased jack and used scope highly.

Embodiment 6: compare with embodiment 1, difference is that described jack increases the mode difference, and all the other are all identical.

Referring to Fig. 1, Figure 12 and Figure 13, can raise the device of jack height, described base 5 is hinged with at least two No. four feets 507, described No. four feets 507 comprise first's part 508 and second portion spare 509, the hinged described base 5 of described first part 508 1 ends, first's part 508 base 5 of can fitting, and this end connects second portion spare 509, described first part 508 is orthogonal with second portion spare 509, and described No. four feets 507 are L-shaped.Described second portion spare 509 other ends connect at least three supporting blades 510, and described three supporting blades 510 are in the vertical described second portion spare 509 in same plane and this plane.After No. four feet 507 was opened fully, first's part 508 fitted with base 5, and fixes the position of No. four feets 507, second portion spare 509 is perpendicular with base 5, described three supporting blade 510 kiss the earths, applying ground, the supporting role of stablizing No. four feets 507.

Described supporting blade 510 ground proximity sides can also be provided with the rubber tooth, prevent that supporting blade 510 and ground from skidding.

Described base 5 is provided with No. five grooves 511 that hold No. four feets 507, after packing up No. four feets 507, No. four feet 507 is positioned at groove 511 No. five, and this moment, base 5 was placed on the ground, described No. four feets 507 do not contact with ground, and base 5 contacts fully with ground.Be provided with magnet in described No. five grooves 511, magnet is fixed on No. four feets 507 in No. five grooves 511, prevent No. four feets 507 with center of gravity to lower swing, cause unnecessary trouble.

Described second portion spare 509 length are greater than first's part 508.First's part 508 length are subjected to the restriction of base length, second portion spare 509 length are greater than first's part 508, guarantee that No. four feets 507 make in No. five grooves 511, second portion spare 509 in No. four feets 507 can some exceed base 5, be in base 5 outsides, convenient No. four feets 507 are still opened under the magnet effect easily.

During use, hold No. four strut members 507 and be retained in base 5 end outward, No. four strut members 507 are down opened in No. five grooves 511, No. four L shaped feets 507, make the first's part 508 applying bases 5 and the second portion spare 509 vertical bases 5 of No. four feets 507, make the base for supporting 5 that No. four feets 507 can be stable.And three supporting blades 510 have been stablized the stability of No. four feets 507, therefore, and the support jack that No. four feets 507 can be stable.

Claims (5)

1. the device that can raise the jack height, comprise scissors-type jack, described scissors-type jack comprises first hold-down arm (1), second hold-down arm (2), the 3rd hold-down arm (3), the 4th hold-down arm (4), described first hold-down arm (1) flexibly connects with the 3rd hold-down arm (3), described second hold-down arm (2) flexibly connects with the 4th hold-down arm (4), described first hold-down arm (1) is provided with base (5) with second hold-down arm (2) support and connection place, described the 3rd hold-down arm (3) is provided with pallet (6) with the 4th hold-down arm (4), it is characterized in that: described base (5) one sides are hinged with at least two No. three feets (407), be hinged with at least two No. three feets (407) with the corresponding opposite side of this side, described No. three feets (407) are provided with at least two No. two draw-in grooves (408), described No. two draw-in grooves (408) opening is towards base (5) outside, also be provided with No. six pipe links (409) that connect No. three feets of homonymy (407), described No. six pipe links (409) two ends are bending.

2. a kind of device of raising the jack height as claimed in claim 1 is characterized in that: described base (5) side is provided with magnet.

3. a kind of device of raising the jack height as claimed in claim 1 is characterized in that: the every side of described base (5) four sides is provided with at least two No. three feets (407).

4. as claim 1 or 3 described a kind of devices of raising the jack height, it is characterized in that: described No. three feets (407) kiss the earth one end is provided with kink.

5. a kind of device of raising the jack height as claimed in claim 1, it is characterized in that: spacing is identical between No. two draw-in grooves (408) on described No. three feets (407), and the joint face of No. two draw-in grooves (408) on described two No. three feets of homonymy (407) is parallel to ground.

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