CN108408630A - Automobile specified assembles jack - Google Patents

Abstract

The present invention relates to a kind of automobile specifieds to assemble jack, and the present invention efficiently solves the problems, such as existing car jack because pedestal is unstable and occupied space is big；The technical solution of solution includes：Jack ontology and the cylindrical top being set on jack lifting platform, L-shaped support device is blocked and had to cylinder in top, the first support plate is additionally provided in L-shaped support device, it is adjustable and can fix at an arbitrary position above and below the first support plate height, the top lifting height of jack can be improved to greatest extent, it is additionally provided with auxiliary support apparatus on jack ontology, keep jack pedestal during being jacked more firm, substantially increase the reliability and safety of jack, and the auxiliary support apparatus can be folded with jack ontology, reduce its space occupied as far as possible, automobile specified assembling jack, which is also configured with L-shaped support device, to bear vehicle weight instead of jack ontology after jacking up automobile, mitigate damage of the vehicle to jack significantly.

Description

Automobile specified assembles jack

Technical field

The invention patent relates to automobile basic hand tool technical fields, and in particular to a kind of automobile specified assembling jack.

Background technology

Jack is a kind of small-sized lifting equipment, is auto repair or changes one of essential tool, vapour when tire Vehicle jack is placed on inside the tool box of automobile, and for jacking up vehicle body when replacing spare tyre, car jack has electronic thousand Jin top, hydraulic jack and mechanical jack, generally the most commonly used is hydraulic pressure and mechanic jacks, and car jack is for replacing Spare tyre, driving tire of being away from home are broken and are convenient for changing, and most of existing commonly used jack is horizontal hydraulic Jack and hoisting jack, Horizontal hydraulic jack are that one kind is widely used in supporting in load-carrying vehicle or mobile device One important Hydraulic Elements of equipment self-weight, adjusting device level, it is mainly used for the departments such as factories and miness, communications and transportation as vehicle Repair and the work such as other liftings, support, Horizontal jack is big with contact area of ground and supports and consolidates, but due to its compared with Big volume is not readily portable, just seems in the case of especially space is limited inside the vehicle and more limits to, vertical oil pressure thousand Jin top is common a kind of lifting gear in production, and hoisting jack is compact-sized, small, light-weight, easy to carry, It is easy to operate, it can be used in the jack for kart of the repairing of a variety of occasions, but due to its contact with ground If area smaller the case where encountering Uneven road when being jacked vehicle, at this time jack be easy to topple over to vehicle and Operating personnel bring security risk；The use of another in most cases jack is for replacing automobile tire or to vapour Vehicle repairs, and thus duration is longer, and jack is constantly in working condition and holds always in entire maintenance process By the weight of vehicle its own gravity, expendable damage can be generated to jack ontology, seriously affect jack uses the longevity Life, substantially reduces the security reliability of jack；Another since most of jack top lifting heights are limited, when need jack bottom When the higher vehicle of disk, vehicle can not can be jacked up due to being limited by jack top lifting height；Another, which works as, needs vehicle When all jacking up to carry out overhauling automobile chassis, if needing just can all to be pushed up vehicle with multiple jack according to the conventional method Rise, just can not achieve in the case of car stowage jack limited amount at this time, thus it is a kind of it is compact-sized, easy to carry, Pedestal is firm, can extend top lifting height and the jack to occupy little space is just particularly important.

Invention content

For the above situation, to overcome the defect of the prior art, the present invention to provide a kind of automobile specified assembling jack, Smart structural design increases auxiliary support apparatus on the basis of jack ontology, makes contact of the jack chassis with ground Area bigger, so that keep jacking process more steady, firm；The automobile specified assembles jack effective solution carry out chassis When tall vehicle jacks, the problem of vehicle can not be jacked up because being limited by the top lifting height of jack；When needing vehicle It jacks up completely when carrying out chassis maintenance, which can be using itself distinctive assembling property, by using one The effect for all jacking up vehicle can be realized in a jack.

Specific technical solution is as follows：

Automobile specified assembles jack, including jack, the jack upper end are connected with lifting platform, which is characterized in that institute State that position is equipped with vertically extending first cylindrical bar among lifting platform upper surface and the first cylindrical bar upper end is rotatably connected to Turntable, the turntable top is equipped with cylindrical top and cylinder comes directly towards position among lower face and offers the first threaded hole, institute It states position among turntable upper surface and is equipped with the first screw rod that is vertically extending and being closed with the first corresponding threaded holes, the cylindrical top Outer wall is circumferentially-spaced to be equipped with along the diametric(al) extension of cylinder top and impermeable multiple first square holes, and described first is rectangular Block and have L-shaped support device in hole, the L-shaped support device height is arbitrarily adjustable and can be fixed in arbitrary height and position, The L-shaped support device has：When jack jacks up automobile, multiple L-shaped support device cards and circumferential outer in cylinder top In the first square hole on wall, multiple L-shaped support devices support automobile that jack is withdrawn from；The cylindrical top It is equipped in first square hole of peripheral outer wall for card and in the locking dress of the L-shaped support device positioning in the first square hole It sets, the jack cylinder top is located at the outer wall below the first square hole equipped with the unlock for being unlocked to locking device Device.

Preferably, the L-shaped support device includes card and in the L-shaped bar in square hole, the vertically extending part of L-shaped bar And multiple first teeth being vertically distributed are equipped with towards jack one side wall, the L-shaped bar vertical section is snug fit at upper end In first rectangular cylinder of opening, first rectangular cylinder is fixed at intervals two along its width direction towards jack side and is placed in First arc panel of the first rectangular cylinder upper end offers on the first rectangle drum outer wall being placed between two first arc panels logical The second saturating square hole is equipped between two first arc panels and matched first ratchet of the first tooth and first unidirectional Geared sleeve is fixed in first axle, is offered and is slidably matched with first axle and along perpendicular to the first axial length on two first arc panels The first rectangular opening that direction extends is spent, first axle longitudinal direction both ends are respectively through protruding first arc panel of two first rectangular openings And its stretching both ends is rotationally connected with interval and is set on the first U-bracket on the first rectangle drum outer wall respectively, the first U Shape holder, which is parallel to position among first axle side and offers in the second penetrating threaded hole and the second threaded hole, is combined with first Bolt offers the first circular hole closed with the second corresponding threaded holes in the one side wall of first rectangular cylinder towards the second threaded hole And first bolt bottom end be rotationally connected in the first circular hole.

Preferably, the locking device include be set to it is vertically extending in the first square hole inner bottom wall and impermeable second Rectangular opening, is sliding combined with the first thin plate in second rectangular opening, first thin plate lower end and the second rectangular opening bottom wall it Between be arranged at intervals with two first springs and the first spring one end is fixed on the second rectangular opening bottom wall other end and is fixed on the first thin plate Lower end, first thin plate upper end offer the first inclination angle away from the first screw rod side, and the L-shaped pole face is to the first thin plate side Lower end, which is offered, to be placed in the first square hole with matched second inclination angle in the first inclination angle, the L-shaped bar towards the second rectangular opening One side wall offers and matched 6th rectangular opening of the first thin plate.

Preferably, the tripper includes being arranged in cylindrical top outer wall and the third below the first square hole Rectangular opening, the third rectangular opening are connected to the second rectangular opening, and first thin plate lower end is connected with edge and is parallel on jack Pedestal and the second thin plate extended opposite to each other in the first screw rod direction, second thin plate is through the protruding cylinder of third rectangular opening Top.

Preferably, between the jack includes between the first U-shaped pedestal and two madial walls at the first U-shaped pedestal centre position Every equipped with the second axis being rotationally connected on two madial wall of the first U-shaped pedestal, intrinsic first gear and two are covered on second axis First gear intermeshing on second axis, the second axis axial direction both ends cover intrinsic two first support arms respectively, and two described the The first support arm on two axis constitutes V-shaped rest, and the other ends of mutually matched two first support arms is rotationally connected with the respectively The axial both ends of three axis, positions are also connected with along the extended perpendicular to third shaft length direction among the two third axis One rectangular block is also rotatably connected to the second support arm on the third axis between first rectangular block and the first support arm, mutually The 4th axis is fixed between two second support arms of cooperation, set is intrinsic on the 4th axis between mutually matched two second support arms Second gear intermeshing in second gear and two the 4th axis further includes being fixed on the opening of lifting platform lower end backwards to jacking The both ends of second U-shaped pedestal of platform, the 4th axis are pierced by two cantilevers that the second support arm is rotatably connected on the second U-shaped pedestal On, the second penetrating circular hole is offered on the two first rectangular block opposite end surfaces, rotation company in one of them second circular hole It is connected to the second screw rod, the first cylindrical tube and the first cylindrical tube inner wall of another intrinsic one end open of second circular hole inner sleeve open up Have and does not coordinate protruding second circle in one end with the first cylindrical tube with the matched threaded line of the second screw rod, second screw rod Hole.

Preferably, first rectangular block for being rotatably connected to the second screw rod is fixed away from the first cylindrical tube end face and is connected The first rectangular cavities are connected to, first rectangular cavities offer matched with the second circular hole with the first rectangular block connecting portion Third circular hole, second screw rod do not coordinate protruding second circular hole in one end with the first cylindrical tube and are rotated through third circular hole It is connected on side wall of first rectangular cavities far from first rectangular block one end, second screw rod is placed in inside the first rectangular cavities Divide the intrinsic third gear of set and third gear is engaged with the 4th gear, the 4th geared sleeve, which is fixed in, is rotatably connected on the first rectangle On the 5th axis in cavity and intrinsic 5th gear of the 4th gear coaxial sleeve, the 5th gear are engaged with the 6th gear and the 6th Gear is fixed on the 6th axis being rotationally connected in the first rectangular cavities, and it is remote that the 6th axis passes outwards through the first rectangular cavities From the second cylindrical tube of the first rectangular block one side wall and its external part equipped with one end open, the second cylindrical tube outer wall week Corresponding 4th circular hole is offered to both ends.

Preferably, the jack lifting platform is fixed on the second U-shaped pedestal upper surface, lifting platform lower face edge It the first U-shaped base width direction both ends and is connected separately with an auxiliary support apparatus, which includes being fixed on top Peaceful is equipped with the along the second cylindrical bar and the second cylindrical bar lower end of the first U-shaped base width direction both sides lower face One circular baffle plate is rotatably connected on the second cylindrical bar being placed between the lifting platform lower face and the first circular baffle plate Third U-shaped pedestal, the third U-shaped base bottom wall upper and lower ends contact at lifting platform and the first circular baffle plate and rotation respectively It is matched with lifting platform and the first round gear, the 7th axis and the 7th axis are fixedly connected between two cantilever of third U-shaped pedestal On be rotatably connected to the first rectangular body rod, one side wall of the first rectangular body rod far from third U-shaped pedestal one end is equipped with edge Multiple second teeth of first cuboid pole length direction arrangement, the first rectangular body rod are slidably connected in the second rectangular cylinder, Second rectangular cylinder is respectively equipped with close to the width direction both ends of third U-shaped pedestal one end and one side wall corresponding with the second tooth Along two second arc panels extended perpendicular to the second rectangular cylinder length direction, the second rectangular cylinder being placed between two second arc panels Penetrating third square hole is offered in one side wall, is equipped between two second arc panels single with the second tooth matched second Be fixed on the 8th axis to gear and the second ratchet set, offered on two second arc panels be slidably matched with the 8th axis and Along perpendicular to the 8th shaft length direction extend the 4th rectangular opening, the 8th axis axial direction both ends respectively through two the 4th rectangular openings to It is outer to stretch out the second arc panel and it stretches out both ends and be rotationally connected with interval respectively and is set in the second U-shaped on the second rectangle drum outer wall On holder, second U-bracket is parallel to position among the 8th axis side and offers penetrating third threaded hole and third spiral shell It is combined with the second bolt in pit, is offered and third threaded hole in the one side wall of second rectangular cylinder towards third threaded hole Matched 5th circular hole and the second bolt bottom end is rotationally connected in the 5th circular hole is located at the first U-shaped pedestal bottom end Longitudinal two side is equipped with the two third thin plates that are parallel to the first U-shaped pedestal and extend along opposite direction, on the third thin plate End face is equipped on vertically extending third cylindrical bar and third cylindrical bar and is rotatably connected to the 4th thin plate, the 4th thin plate It is equipped with spindle housing far from third cylindrical bar one end upper surface and the second rectangular cylinder bottom end is rotationally connected in spindle housing.

Preferably, the first rectangular cylinder two opposite outer wall is equipped with arranges along perpendicular to the first rectangular cylinder short transverse Multiple third teeth, spacer sleeve is equipped with along perpendicular to the first of the setting of the first rectangular cylinder short transverse in first rectangular cylinder Support plate, offer in first support plate with matched 5th rectangular opening of the first rectangular cylinder, first rectangular cylinder is not Open up the two lateral walls for the 5th rectangular opening that two lateral walls with teeth are snug fit at corresponding thereto, first rectangle It is wide equipped with the 5th rectangular opening is rotationally connected between the 5th rectangular opening one side wall of cylinder with one side wall with teeth and corresponding thereto The 9th axis of direction two side is spent, axially spaced-apart covers two the 7th gears being inherently meshed with third tooth, institute on the 9th axis State the 5th rectangular opening between the first rectangular cylinder band another side wall with teeth and the one side wall of the 5th rectangular opening corresponding thereto It is offered on width direction two side along the strip grooves extended perpendicular to the first rectangular cylinder short transverse, further includes being snug fit at Third U-bracket in two strip grooves is connected between two cantilever of third U-bracket along perpendicular to the first rectangular cylinder height Direction extend the tenth axis and the tenth axis on axially spaced-apart set inherently with two third ratchets of third tooth engagement, the third The linking arm of U-bracket offers not penetrating 6th circular hole away from the tenth axis side, and first support plate is along its length side It is matched to being offered close to third ratchet transverse direction one end with the 6th circular hole and the 4th penetrating threaded hole, the 4th spiral shell It is combined with third bolt in pit and third bolt bottom end is rotationally connected in the 6th circular hole, first rectangular cylinder bottom end is equipped with It is parallel to the 5th thin plate of the first rectangular cylinder bottom wall.

Preferably, the cylindrical top upper surface is equipped with the groove of right-angled intersection.

Above-mentioned technical proposal advantageous effect is：

（1）Automobile specified assembling jack includes jack ontology in the present invention, and is rotationally connected with the first U of jack ontology Auxiliary support apparatus on shape pedestal and the second U-shaped pedestal, the auxiliary support apparatus can be carried out with the lifting of jack ontology It freely stretches and can be positioned at an arbitrary position, relative to increasing jack Auxiliary support in traditional jack present invention Device considerably increases the contact area on jack and ground, improves the stability of jack, another is idle when jack When, which can be shunk with the decline of jack ontology support arm, and can be carried out folding and be reduced jack Occupied space in the car；

（2）Automobile specified assembling jack is in addition to jack ontology and auxiliary support apparatus are with to be additionally provided with L-shaped branch in the present invention Support arrangement comes directly towards after jack jacks up vehicle by the L-shaped support device card and in the cylinder being arranged on lifting platform On the first square hole in, so that jack is detached from cylindrical top by rotary turnplate, fully rely on shape L-shaped support dress at this time Vehicle is jacked up, when vehicle need to be put down, jack is subjected to cooperation jack with cylinder top and jacks up vehicle, at this time L-shaped support device is removed, operation jack makes vehicle drop to ground, easy to operate simple, is replaced by L-shaped support device Jack load-bearing significantly reduces damage of the vehicle weight to jack；

（3）Liftable first support plate is equipped in L-shaped support device and first support plate can be in arbitrary position in the present invention Positioning is set, when the lift height of jack is not enough to jack up on vehicle, jack base is placed in the first support plate, is led to Overregulating the height of the first support plate enables jack to jack up the higher vehicle in chassis, increases the applicability of jack.

Description of the drawings

Fig. 1 is front view of the present invention；

Fig. 2 is that the present invention leaves out L-shaped support device schematic diagram；

Fig. 3 is jack ontology of the present invention and cylindrical top cooperation schematic diagram；

Fig. 4 is the first rectangular cavities sectional view of the invention；

Fig. 5 is jack ontology vertical view of the present invention；

Fig. 6 is that jack support arm of the present invention detaches schematic diagram with upper and lower two pedestal；

Fig. 7 is that the cylindrical internal lock that comes directly towards of the present invention determines device decomposition diagram；

Fig. 8 is that the cylindrical top of the present invention is detached with turntable and locking device detaches schematic diagram with cylinder top；

Fig. 9 is that the cylindrical top of the present invention detaches schematic diagram with turntable；

Figure 10 is auxiliary support apparatus decomposed schematic diagram of the present invention；

Figure 11 is L-shaped support device of the present invention and the first support plate cooperation schematic diagram；

Figure 12 is L-shaped support device decomposed schematic diagram of the present invention；

Figure 13 is L-shaped support device of the present invention and the first thin plate elevating mechanism decomposition diagram；

Figure 14 is that L-shaped support device of the present invention determines device cooperation schematic diagram with cylindrical top internal lock；

Figure 15 is that the present invention leaves out schematic diagram after the first support plate.

1 in figure：Jack 1, lifting platform 2, the first cylindrical bar 3, turntable 4, cylinder top 5, the first threaded hole 6, First screw rod 7, the first square hole 8, L-shaped bar 9, the first tooth 10, the first rectangular cylinder 11, the first arc panel 12, the second square hole 13, First ratchet 14, first axle 15, the first rectangular opening 16, the first U-bracket 17, the second threaded hole 18, the first bolt 19, the One circular hole 20, the second rectangular opening 21, the first thin plate 22, the first spring 23, the first inclination angle 24, the second inclination angle 25, third rectangular opening 26, the second thin plate 27, the first U-shaped pedestal 28, the second axis 29, first gear 30, the first support arm 31, third axis 32, the first square Shape block 33, the second support arm 34, the second U-shaped pedestal 35, the 4th axis 36, second gear 37, the second circular hole 38, the second screw rod 39, First cylindrical tube 40, the first rectangular cavities 41, third circular hole 42, third gear 43, the 4th gear 44, the 5th axis 45, the 5th Gear 46, the 6th gear 47, the 6th axis 48, the second cylindrical tube 49, the 4th circular hole 50, the second cylindrical bar 51, first is round Baffle 52, third U-shaped pedestal 53, the 7th axis 54, the first rectangular body rod 55, the second tooth 56, the second rectangular cylinder 57, the second arc panel 58, third square hole 59, the second ratchet 60, the 8th axis 61, the 4th rectangular opening 62, the second U-bracket 63, third threaded hole 64, the second bolt 65, the 5th circular hole 66, third thin plate 67, third cylindrical bar 68, the 4th thin plate 69, spindle housing 70, third tooth 71, the first support plate 72, the 5th rectangular opening 73, the 9th axis 74, the 7th gear 75, strip grooves 76, third U-bracket 77, the tenth Axis 78, third ratchet 79, the 6th circular hole 80, the 4th threaded hole 81, third bolt 82, the 5th thin plate 83, groove 84, the 6th Rectangular opening 85.

Specific implementation mode

For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Figure 15 pairs In the detailed description of embodiment, can clearly it present.The structure content being previously mentioned in following embodiment is attached with specification Figure is reference.

Each exemplary embodiment of the present invention is described below with reference to accompanying drawings.

Embodiment 1, automobile specified assemble jack, including jack 1,1 upper end of the jack are connected with lifting platform 2, which is characterized in that position is equipped with vertically extending first cylindrical bar 3 among 2 upper surface of the lifting platform and first is cylindrical 3 upper end of bar is rotatably connected to turntable 4, and 4 top of the turntable is equipped with cylindrical top 5 and 5 lower face middle parts of cylindrical top Position offers the first threaded hole 6, and position is equipped with vertically extending and is matched with the first threaded hole 6 among 4 upper surface of the turntable The first screw rod 7,5 outer walls of the cylindrical top are circumferentially-spaced to be equipped with and extends along 5 diametric(al)s of cylinder top and not penetrating Multiple first square holes 8, card and have L-shaped support device, the L-shaped support device height random in first square hole 8 Adjustable and can be fixed in arbitrary height and position, which has：When jack 1 jacks up automobile, multiple L Shape support device card and in the first square hole 8 in 5 peripheral outer walls of cylindrical top, multiple L-shaped support devices support vapour Vehicle allows jack 1 to withdraw from；Be equipped in first square hole 8 of 5 peripheral outer walls of the cylindrical top for card and in The locking device of L-shaped support device positioning in first square hole 8, the cylindrical top 5 of the jack 1 is positioned at the first square hole The outer wall of 8 lower sections is equipped with the tripper for being unlocked to locking device；

The embodiment when in use, when vehicle needs replacing tire or other situations need to jack up vehicle, passes through behaviour Making jack 1 makes vehicle be jacked, and after jack 1 jacks vehicle, vehicle is due to re-type or carries out it It needs to occupy the long period when he overhauls, jack 1 bears always the pressure of vehicle own wt at this time, is in jacking for a long time State can cause the damage of jack 1, the reliability of jack 1 will be made to substantially reduce in the course of time, to jack 1 User and jacking vehicle bring security risk, in the present invention automobile specified assembling jack effective solution this ask Topic, after jack 1 jacks up vehicle, since the L-shaped support device height can coordinate the top lifting height of jack 1 arbitrarily may be used Adjust, by adjusting L-shaped support device height reach matched with the top lifting height of jack 1 and at this time L-shaped support dress It sets and is in steady status, L-shaped support device will be inserted into the cylinder that is set to being matched therewith at this time and come directly towards 5 peripheral outer walls On the first square hole in 8, by be set to the locking device in the first square hole 8 by L-shaped support device carry out effective position And lock, make firm and reliable connection between L-shaped support device and cylindrical top 5, due to cylinder top 5 and jack 1 it Between be connected by the first threaded hole 6 and the first screw rod 7,1 support arm of jack is shunk, at this time L-shaped support device Vehicle is jacked up instead of very heavy 1,1 bottom of jack is detached from ground at this time, since turntable 4 is rotationally connected with the first cylindrical bar On 3, need not rotate 1 need of jack at this time makes the first screw rod 7 be screwed out out of first threaded hole 6 by rotary turnplate 4 Jack 1 and cylinder top 5 are kept completely separate, vehicle is completely withdrawn from jack 1 effectively by L-shaped support device at this time Alleviate under long-time weight vehicle to damage caused by jack 1, when needing to put down on vehicle, pass through rotary turnplate 4 So that the first screw rod 7 is carried out cooperation with the first threaded hole 6 to connect together jack 1 with cylinder top 5, operates at this time 1 support arm of jack makes 1 support arm of jack carry out jacking so that 1 bottom of jack is made to contact ground, and jack starts at this time Load-bearing makes locking device unlock by the tripper being set in the first square hole 8 at this time, to by L-shaped support device from It is taken out in first square hole 8, then operating jack 1 makes 1 support arm of jack shrink so that vehicle is made to drop down onto ground, operates Journey is simply, conveniently.

Embodiment 2, on the basis of embodiment 1, the L-shaped support device includes card and in the L-shaped bar 9 in square hole, 9 vertically extending part of the L-shaped bar and it is equipped with multiple first teeth 10 for being vertically distributed, the L-shaped towards 1 one side wall of jack 9 vertical section of bar is snug fit in the first rectangular cylinder 11 of upper end opening, and first rectangular cylinder 11 is towards 1 side of jack Two the first arc panels 12 for being placed in 11 upper end of the first rectangular cylinder are fixed at intervals along its width direction, are placed in two first arcs The second penetrating square hole 13 is offered on 11 outer wall of the first rectangular cylinder between shape plate 12, between two first arc panels 12 Equipped with being fixed in first axle 15 with 14 sets of 10 matched first ratchet 14 of the first tooth and the first ratchet, two described It offers and is slidably matched with first axle 15 and along the first rectangle extended perpendicular to 15 length direction of first axle on one arc panel 12 Hole 16, the longitudinal both ends of the first axle 15 are respectively through two first rectangular openings, 16 protruding first arc panel 12 and its stretching both ends It is rotationally connected with respectively on the first U-bracket 17 that interval is set on 11 outer wall of the first rectangular cylinder, first U-bracket 17 It is parallel to position among 15 side of first axle and offers in the second penetrating threaded hole 18 and the second threaded hole 18 and be combined with first Bolt 19, first rectangular cylinder 11 offer matched with the second threaded hole 18 in the one side wall towards the second threaded hole 18 First circular hole 20 and 19 bottom end of the first bolt is rotationally connected in the first circular hole 20.The embodiment when in use, works as needs When coordinating the top lifting height of jack 1 to be adjusted L-shaped support device height, the first ratchet of original state 14 and first Tooth 10 tightly engages, and so that L-shaped bar 9 is skidded off the first rectangle upwards along 11 short transverse of the first rectangular cylinder by pulling up L-shaped bar 9 The height of cylinder 11 and then adjustment L-shaped support device makes it be matched with 1 top lifting height of jack, and it is single to pass through first for L-shaped bar 9 at this time It is meshed and fixes with the first tooth 10 to gear 14, when needing to turn down L-shaped support device height, at this time by screwing first Bolt 19, since 19 bottom end of the first bolt is rotationally connected in the first circular hole 20, the first U-bracket 17 can be with the first spiral shell at this time The rotation of bolt 19 is moved towards the first ratchet 14 far from 10 direction of the first tooth along the first rectangular opening 16, at this time the first U-shaped branch Frame 17 drives the first ratchet 14 that it is made to be detached with the first tooth 10, and L-shaped bar 9 is in free state at this time, is then shunk To the first rectangular cylinder 11, when reuse need adjust L-shaped support device height when, screw the first spiral shell in opposite direction at this time Bolt 19, make the first U-bracket 17 drive the first ratchet 14 along the first rectangular opening 16 towards the first ratchet 14 close to first 10 direction of tooth is moved, and the first ratchet 14 is made to be engaged with the first tooth 10, if the first ratchet 14 and the first tooth 10 are sent out Tooth phenomenon is touched in life, the first ratchet 14 and the first tooth 10 also not in contact with when, need to only stir the first ratchet 14 at this time makes Tooth on first ratchet 14 is corresponding with the first tooth 10, then makes the first ratchet 14 by screwing the first bolt 19 It is at a fully engaged with the first tooth 10, by operate above the L-shaped support device height can be made arbitrary adjustable and can at an arbitrary position by Its reliable location.

Embodiment 3, on the basis of embodiment 2, the locking device includes being set in 8 inner bottom wall of the first square hole to erect To extending and impermeable second rectangular opening 21, it is sliding combined with the first thin plate 22 in second rectangular opening 21, described first It is arranged at intervals with two first springs 23 between 21 bottom wall of 22 lower end of thin plate and the second rectangular opening and 23 one end of the first spring is fixed on Second rectangular opening, the 21 bottom wall other end is fixed on 22 lower end of the first thin plate, and 22 upper end of the first thin plate deviates from the first screw rod 7 one Side offers the first inclination angle 24, and the L-shaped bar 9 offers matched with the first inclination angle 24 towards 22 side lower end of the first thin plate Second inclination angle 25, the L-shaped bar 9 are placed in the first square hole 8 and are offered and the first thin plate towards 21 one side wall of the second rectangular opening 22 matched 6th rectangular openings 85.L-shaped when in use, is supported after jack 1 jacks up vehicle and is filled by the embodiment Set when being inserted into the first square hole 8, due to 22 upper end of the first thin plate away from 7 side of the first screw rod offer the first inclination angle 24 and L-shaped bar 9 towards 22 side lower end of the first thin plate offer with 24 matched second inclination angle 25 of the first inclination angle, when two inclination angle inclined-planes L-shaped bar 9 can press against the first thin plate 22 along 21 slide downward of the second rectangular opening when being in contact with each other, so that the first thin plate 22 is made to set completely In making L-shaped bar 9 cross the first thin plate 22 in the second rectangular opening 21, it is set to 22 lower end of the first thin plate and the second rectangular opening 21 at this time The first spring 23 between bottom wall is compressed, and after L-shaped bar 9 fully passes over the first thin plate 22, the first thin plate 22 is in the first spring Upward sliding under the action of 23, due to L-shaped bar 9 offer towards 21 one side wall of the second rectangular opening it is matched with the first thin plate 22 6th rectangular opening 85, at this time the first thin plate 22 slided into the 6th rectangular opening 85 under the action of the first spring 23, at this time by L-shaped Bar 9 is locked, and guarantee makes it be reliably connected with cylinder top 5, improves the reliability of the L-shaped support device.

Embodiment 4, on the basis of embodiment 3, the tripper includes setting in cylinder 5 outer walls of top and is located at The third rectangular opening 26 of first square hole, 8 lower section, the third rectangular opening 26 are connected to the second rectangular opening 21, first thin plate 22 lower ends are connected with along the second thin plate 27 for being parallel to 1 upper bed-plate of jack and extending opposite to each other in 7 direction of the first screw rod, and described the Two thin plates 27 are through 26 protruding cylinder top 5 of third rectangular opening.The embodiment when in use, when needing L-shaped branch When support arrangement takes out out of cylinder top 5, make the first thin plate 22 along the second rectangle by pressing down on the second thin plate 27 at this time 21 slide downward of hole, so that the first thin plate 22 is made to be fully slid out out of the 6th rectangular opening 85, L-shaped support device is in freely at this time State, to take out L-shaped support device.

Embodiment 5, on the basis of embodiment 1, the jack 1 includes the first U-shaped pedestal 28 and the first U-shaped pedestal 28 The second axis 29 being rotationally connected on 28 liang of madial walls of the first U-shaped pedestal, institute are equipped at intervals between two madial walls at intermediate position It states the first gear 30 covered on the second axis 29 on intrinsic first gear 30 and two second axis 29 to be intermeshed, 29 axis of the second axis Cover intrinsic two first support arms 31 respectively to both ends, the first support arm 31 on two second axis 29 constitutes V-shaped rest, mutually The other end of two first support arms 31 of cooperation is rotationally connected with the axial both ends of third axis 32 respectively, in the two third axis 32 Between position be also connected with along the first rectangular block 33 for extending perpendicular to 32 length direction of third axis, first rectangular block 33 The second support arm 34, mutually matched two second support arms are also rotatably connected on third axis 32 between the first support arm 31 It is fixed with the 4th axis 36 between 34, covers intrinsic second gear 37 on the 4th axis 36 between mutually matched two second support arms 34 And two the 4th second gears 37 on axis 36 is intermeshed, further include be fixed on 2 lower end of lifting platform opening it is flat backwards to jacking Second U-shaped pedestal 35 of platform 2, the both ends of the 4th axis 36 are pierced by the second support arm 34 and are rotatably connected on the second U-shaped pedestal 35 Two cantilevers on, offer the second penetrating circular hole 38 on two first rectangular block, 33 opposite end surfaces, one of them second Be rotatably connected to the second screw rod 39 in circular hole 38, the first cylindrical tube 40 of the intrinsic one end open of another second circular hole, 38 inner sleeve and First cylindrical tube, 40 inner wall offer with 39 matched threaded line of the second screw rod, second screw rod 39 not with the first cylinder Shape cylinder 40 coordinates protruding second circular hole in one end 38.When in use, which is by several supports to the embodiment Arm jacks vehicle, when concrete operations, since the second screw rod 39 is rotationally connected in the second circular hole 38, passes through Rotating the second screw rod 39 makes the second screw rod 39 generate phase by screw-thread fit with the first cylindrical tube 40 for being threaded line To sliding, to drive support arm to be jacked, intrinsic pitch wheel is covered respectively on the second axis 29 and the 4th axis 36, Keep the jacking process of jack 1 more firm, firm by the intermeshing between gear, when needing to pack up on jack 1, The second screw rod 39 is screwed in opposite direction, the second screw rod 39 and the first cylindrical tube 40 is made to be slided along opposite direction, and then by thousand 1 support arm of jin top is shunk, and is had the characteristics that easy to operate, safe and reliable, laborsaving.

Embodiment 6, on the basis of embodiment 5, first rectangular block 33 for being rotatably connected to the second screw rod 39 deviates from First cylindrical tube, 40 end face is fixedly connected with the first rectangular cavities 41, first rectangular cavities, 41 and first rectangular block 33 Connecting portion offer with 38 matched third circular hole 42 of the second circular hole, second screw rod 39 not with the first cylindrical tube 40 Coordinate protruding second circular hole 38 in one end and is rotationally connected with the first rectangular cavities 41 far from the first rectangle through third circular hole 42 On the side wall of 33 one end of block, second screw rod 39 is placed in 41 inside points of the first rectangular cavities and covers intrinsic third gear 43 and third Gear 43 is engaged with the 4th gear 44, and 44 sets of the 4th gear is fixed in the 5th axis being rotatably connected in the first rectangular cavities 41 On 45 and intrinsic 5th gear 46 of 44 coaxial sleeve of the 4th gear, the 5th gear 46 are engaged with the 6th gear 47 and the 6th gear 47 are fixed on the 6th axis 48 being rotationally connected in the first rectangular cavities 41, and the 6th axis 48 passes outwards through the first rectangular cavity Body 41 is equipped with the second cylindrical tube 49 of one end open, second cylinder far from 33 one side wall of the first rectangular block and its external part 49 outer wall circumferential direction both ends of shape cylinder offer corresponding 4th circular hole 50.The embodiment when in use, preferably can be Second screw rod, 39 protruding end is equipped with a set of work-saving device, which includes the first rectangular cavities 41 and be set to the Several gear sets in one rectangular cavities 41, first rectangular cavities 41 are fixed on the first rectangular block 33, the second screw rod 39 It stretches out one end to be placed in the first rectangular cavities 41 and cover intrinsic third gear 43, third gear 43 is engaged with less than third gear 43 The 4th gear 44 and 44 coaxial sleeve of the 4th gear be inherently more than the 5th gear 46 of the 4th gear 44, the 5th gear 46 is engaged with 47 sets of the 6th gear 47 and the 6th gear less than the 5th gear 46 are fixed on the 6th axis 48,48 protruding first square of the 6th axis Shape cavity 41 and its external part are connected with the second cylindrical tube 49, and second cylindrical tube 49 deviates from the first rectangular cavities 41 1 Side opens, and can be inserted into the second cylindrical tube 49 with electric wrench when specifically used, gear set is driven to rotate and then control The jacking of jack 1 processed declines, and second cylindrical tube, 49 outer wall circumferential direction both ends are further opened with corresponding 4th circular hole 50, the jacking or decline of manually shaking and then control jack 1, applicability can be inserted into vehicle-mounted hand arm in the 4th circular hole 50 Strength higher and that user of service is also saved by gear set transmission.

Embodiment 7, on the basis of embodiment 5,1 lifting platform 2 of the jack is fixed on 35 upper end of the second U-shaped pedestal Face, 2 lower face of the lifting platform are connected separately with an auxiliary support apparatus along 35 width direction both ends of the first U-shaped pedestal, The auxiliary support apparatus includes the second circle for being fixed on lifting platform 2 along 35 width direction both sides lower face of the first U-shaped pedestal Cylindrical rod 51 and 51 lower end of the second cylindrical bar are equipped with the first circular baffle plate 52, are placed in 2 lower face of the lifting platform and first Third U-shaped pedestal 53,53 bottom wall of third U-shaped pedestal are rotatably connected on the second cylindrical bar 51 between circular baffle plate 52 Upper and lower ends contact at lifting platform 2 and the first circular baffle plate 52 and are rotatably assorted in lifting platform 2 and the first round gear respectively, It is fixedly connected on the 7th axis 54 and the 7th axis 54 between described 53 liang of cantilevers of third U-shaped pedestal and is rotatably connected to the first cuboid Bar 55, one side wall of the first rectangular body rod 55 far from 53 one end of third U-shaped pedestal is equipped with to be grown along the first rectangular body rod 55 Multiple second teeth 56 of direction arrangement are spent, the first rectangular body rod 55 is slidably connected in the second rectangular cylinder 57, and described second Rectangular cylinder 57 is respectively equipped with edge close to the width direction both ends of 53 one end of third U-shaped pedestal and one side wall corresponding with the second tooth 56 Two second arc panels 58 extended perpendicular to 57 length direction of the second rectangular cylinder, the second square being placed between two second arc panels 58 Penetrating third square hole 59 is offered in 57 one side wall of shape cylinder, is equipped with and 56 phase of the second tooth between two second arc panels 58 60 sets of the second ratchet 60 and the second ratchet of cooperation are fixed on the 8th axis 61, are opened up on two second arc panels 58 Have and is slidably matched with the 8th axis 61 and along the 4th rectangular opening 62 extended perpendicular to 61 length direction of the 8th axis, the 8th axis 61 Axial both ends respectively through two the 4th rectangular openings, 62 protruding second arc panel 58 and its stretch out between both ends are rotationally connected with respectively Spacer is located on the second U-bracket 63 on 57 outer wall of the second rectangular cylinder, and second U-bracket 63 is parallel to the 8th axis 61 1 Position, which offers, among side is combined with the second bolt 65 in penetrating third threaded hole 64 and third threaded hole 64, second square Shape cylinder 57 offers and 64 matched 5th circular hole 66 and second of third threaded hole in the one side wall towards third threaded hole 64 65 bottom end of bolt is rotationally connected in the 5th circular hole 66, and longitudinal two side positioned at 28 bottom end of the first U-shaped pedestal is equipped with The two third thin plates 67 for being parallel to the first U-shaped pedestal 28 and extending along opposite direction, 67 upper surface of third thin plate are equipped with perpendicular The 4th thin plate 69 is rotatably connected to on the third cylindrical bar 68 and third cylindrical bar 68 of extension, the 4th thin plate 69 is remote It is equipped with spindle housing 70 from 68 one end upper surface of third cylindrical bar and 57 bottom end of the second rectangular cylinder is rotationally connected in spindle housing 70；

The embodiment when in use, contact of the existing jack 1 during being jacked due to pedestal with ground Area is little, if having slight shaking or ground to have injustice slightly in user's operating process, it is more likely that occur The accident that jack 1 is toppled over brings security risk to user of service and vehicle, preferable 1 lifting platform of jack, 2 lower face It is connected separately with an auxiliary support apparatus along 35 width direction both ends of the first U-shaped pedestal, the Auxiliary support fills when normal condition It sets and is in contraction state, which is rotationally connected with 2 lower face of lifting platform, and lower face is rotationally connected with the On one U-shaped pedestal 28, by the auxiliary support apparatus fold when jack 1 leaves unused makes it be tightly attached to the first U-shaped bottom Seat 28 and is parallel to the first U-shaped pedestal 28, makes it by parallel in use, user rotates the auxiliary support apparatus when jack 1 It is turned to perpendicular to 28 state of the first U-shaped pedestal in 28 position of the first U-shaped pedestal, the jack 1 of user's operation at this time pushes up It rises, which increases also with the jacking of jack 1, and the first rectangular body rod 55 is stretched out of second rectangular cylinder at this time Go out, when jack 1 reaches certain top lifting height, is engaged at this time into 56 rows with the second tooth due to the second ratchet 60, this is auxiliary It helps support device also to obtain positioning cooperation jack 1 afterwards therewith and supports vehicle together, when needing to put down on vehicle, lead at this time Cross screw the second bolt 65 make the second U-bracket 63 with the second ratchet 60 along the 4th rectangular opening 62 towards the second unidirectional tooth Direction sliding of the wheel 60 far from the second tooth 56, after the second ratchet 60 is completely disengaged with the second tooth 56 to be engaged, the auxiliary branch Support arrangement is in free state, and operation 1 support arm of jack carries out shrinking the auxiliary support apparatus is also contracted to the second square therewith In shape cylinder 57, when needing to reuse jack 1, the second bolt 65 is screwed in opposite direction, and the second U-bracket 63 is made to drive Second ratchet 60 makes the second ratchet 60 and the second tooth 56 be intermeshed towards close to the movement of the direction of the second tooth 56, if Second ratchet 60 and the second tooth 56 touch tooth phenomenon, the second ratchet 60 and the second tooth 56 also not in contact with when, this When need to only stir the second ratchet 60 and keep the tooth on the second ratchet 60 corresponding with the second tooth 56, then by screwing Second bolt 65 keeps the second ratchet 60 and the second tooth 56 at a fully engaged, which can coordinate jack 1 It jacks and increases, to jack up vehicle.

Embodiment 8, on the basis of embodiment 2, first rectangular cylinder, 11 two opposite outer wall be equipped with along perpendicular to Multiple third teeth 71 of first rectangular cylinder, 11 short transverse arrangement, in first rectangular cylinder 11 spacer sleeve be equipped with along perpendicular to First support plate 72 of 11 short transverse of the first rectangular cylinder setting, offers and the first rectangular cylinder 11 in first support plate 72 Matched 5th rectangular opening 73, first rectangular cylinder 11 do not open up two lateral walls with teeth and are snug fit at corresponding thereto The two lateral walls for the 5th rectangular opening 73 answered, first rectangular cylinder 11 with one side wall with teeth and corresponding thereto the 5th It is equipped between 73 one side wall of rectangular opening and is rotationally connected with the 9th axis 74 of 73 width direction two side of the 5th rectangular opening, the described 9th Axially spaced-apart covers two the 7th gears 75 that are inherently meshed with third tooth 71 on axis 74, and first rectangular cylinder 11 is with teeth another It is opened on 73 width direction two side of the 5th rectangular opening between one side wall and the one side wall of the 5th rectangular opening 73 corresponding thereto Further include being snug fit in two strip grooves 76 equipped with the strip grooves 76 that edge extends perpendicular to 11 short transverse of the first rectangular cylinder Third U-bracket 77 is connected between 77 liang of cantilevers of the third U-bracket along prolonging perpendicular to 11 short transverse of the first rectangular cylinder Axially spaced-apart covers the two third ratchets 79 that are inherently engaged with third tooth 71 on the tenth axis 78 stretched and the tenth axis 78, and described the The linking arm of three U-brackets 77 offers not penetrating 6th circular hole 80,72 edge of the first support plate away from 78 side of the tenth axis It its length direction and is offered close to the lateral one end of third ratchet 79 and matched with the 6th circular hole 80 and the 4th penetrating spiral shell Pit 81 is combined with third bolt 82 in the 4th threaded hole 81 and 82 bottom end of third bolt is rotationally connected with the 6th circular hole 80 Interior, 11 bottom end of the first rectangular cylinder is equipped with the 5th thin plate 83 for being parallel to 11 bottom wall of the first rectangular cylinder；

When in use, since the top lifting height of the jack 1 is limited, jacking, some chassis are higher cross-country for the embodiment Just it will appear when vehicle because top lifting height is set on 11 outer wall of the first rectangular cylinder at this time not enough and the case where can not jack up vehicle The first support plate 72 set liftable and can positioned at an arbitrary position, when occurring putting 1 pedestal of jack when top lifting height is inadequate It is placed in liftable first support plate 72, then operates jack 1 again and jacked, relative to indirectly increasing jack Specifically when operation, vehicle chassis is still not readily accessible to when jack 1 is in maximum jacking state at this time for 1 top lifting height, this When adjust the height of the first support plate 72 and reach specific position, only need user to pull up the first support plate 72 to a certain Position, the 9th axis 74 are equipped with the 7th gear 75 that is meshed with third tooth 71, covered on third U-bracket 77 inherently with third tooth The 71 third ratchets 79 being meshed, first support plate 72 is positioned under the action of third ratchet 79 at this time Steady status, operating jack 1 at this time makes its support arm shrink, since 1 top of jack passes through screw flight cooperation and cylinder Shape top 5 links together, and 1 pedestal of jack can be detached from ground with the contraction of support arm at this time, so that make jack 1 the The both ends of one U-shaped pedestal 28 are respectively placed in corresponding two first support plates 72, and the 4th thin plate 69 is positioned over another two at this time It organizes in corresponding first support plate 72, operation jack 1 makes it be jacked again at this time, by putting 1 pedestal of jack It is placed in the first support plate 72 and substantially increases the top lifting height of the jack 1 so that the applicability of the jack 1 carries significantly Height need to only screw the first U-shaped branch that the first bolt 19 will be set in the first rectangular cylinder 11 at this time when needing to put down on vehicle Frame 17 drives the first ratchet 14 to be moved towards direction of first ratchet 14 far from the first tooth 10, at this time the first unidirectional tooth Wheel 14 and the first tooth 10 are detached from, and operating jack 1 again makes 1 support arm of jack shrink, to make cylindrical top 5 and vehicle body Chassis detach, when need adjust the first support plate 72 height when, by screw third bolt 82 make third U-bracket 77 with Third ratchet 79 is slided along strip grooves 76 towards direction of the third ratchet 79 far from third tooth 71, third ratchet 79 with third tooth 71 be detached from this time the first support plate 72 is in free state, its height can be arbitrarily adjusted with demand, when need by When first support plate 72 is repositioned, only need to screw third bolt 82 in opposite direction makes third ratchet 79 and third tooth 71 Again it engages, if third ratchet 79 occurs touches tooth phenomenon with third tooth 71, in third ratchet 79 and third tooth 71 also not in contact with when, need to only stir third ratchet 79 at this time keeps the tooth on third ratchet 79 corresponding with third tooth 71 , then keep third ratchet 79 and third tooth 71 at a fully engaged by screwing third bolt 82, at this time the first support plate 72 Effective position is obtained, contact of the L-shaped support device with ground is increased equipped with the 5th thin plate 83 in 11 bottom end of the first cylindrical tube Area further improves reliability and the safety of the L-shaped support device.

Embodiment 9, on the basis of embodiment 1,5 upper surfaces of the cylindrical top are equipped with the groove 84 of right-angled intersection. Vehicle chassis both sides of the edge are all provided with the supporting point of jack 1, and vehicle amount chassis location is located at beside vehicle side skirt one The rib of protrusion, very long, as long as there is the place of the rib, any position all can serve as supporting point, and the cylindrical of jack 1 comes directly towards Intermediate position is equipped with groove 84 on 5, which will just block onboard the place for having rib, and be stuck can be more for the two in this way It is stable and firm, it will not slip.

Automobile specified assembling jack includes jack in the present invention, and is rotationally connected with 1 first U-shaped pedestal of jack 28 and the second auxiliary support apparatus on U-shaped pedestal 35, the auxiliary support apparatus with the lifting of jack 1 can freely stretch It contracts and can be positioned at an arbitrary position, filled relative to 1 Auxiliary support of jack is increased in traditional 1 present invention of jack It sets, considerably increases the contact area of jack 1 and ground, improve the stability of jack 1, another is not busy when jack 1 When setting, which can be shunk with the decline of 1 support arm of jack, and can be carried out folding and be reduced jack 1 Occupied space in the car；Automobile specified assembling jack is additionally provided with L-shaped branch other than jack 1 and auxiliary support apparatus Support arrangement, by the L-shaped support device card and in the cylindrical, top being arranged on lifting platform 2 after jack 1 jacks up vehicle In the first square hole 8 on first 5, so that jack 1 is detached from cylindrical top 5 by rotary turnplate 4, fully rely on shape L at this time Shape support dress jacks up vehicle, and when that need to put down vehicle, jack 1 and cylindrical top 5 are carried out cooperation jack 1 by vehicle It jacks up, at this time removes L-shaped support device, operation jack 1 makes vehicle drop to ground, easy to operate simple, passes through L-shaped Support device significantly reduces damage of the vehicle weight to jack 1 instead of 1 load-bearing of jack；It supports and fills in L-shaped in the present invention Setting can position equipped with liftable first support plate 72 and first support plate 72 at an arbitrary position, when the lifting of jack 1 When height is not enough to jack up on vehicle, 1 pedestal of jack is placed in the first support plate 72, by adjusting the first support plate 72 Height so that jack 71 is jacked up the higher vehicle in chassis, increase the applicability of jack 1；

When vehicle needs all to be jacked, multiple jack 1 are then needed just may be used relative to traditional 1 jacking method of jack To jack up vehicle completely, the distinctive assembling property of jack itself is assembled by using the automobile specified, one thousand can be passed through Jin top 1 and multiple L-shaped support devices cooperate, and can be jacked vehicle completely, the specific use of time：Pass through first 1 ontology of jack jacks up vehicle for one jiao, and by L-shaped support device and jack is set to after jacking up one jiao of vehicle Cylindrical top 5 on 1 lifting platform 2 cooperates, and makes cylindrical top 5 and 1 ontology of jack by rotating turntable 4 at this time It is detached, vehicle is supported by L-shaped support device at this time, then the jack 1 by withdrawing from pushes up another angle of vehicle It rises, keeps top lifting height identical as the top lifting height of first time, L-shaped support device is then made to be matched again with cylinder top 5 Close, 1 ontology of jack is withdrawn from, repeat above procedure so that by vehicle quadrangle all jack up, this process only need one it is very heavy 1 ontology and multiple L-shaped support devices are pushed up, preferable using effect has been reached with less equipment.

It is described above simply to illustrate that of the invention, it is understood that the present invention is not limited to the above embodiments, meets The various variants of inventive concept are within protection scope of the present invention.

Claims (9)

1. automobile specified assembles jack, including jack（1）, the jack（1）Upper end is connected with lifting platform（2）, It is characterized in that, the lifting platform（2）Position is equipped with vertically extending first cylindrical bar among upper surface（3）And first is cylindrical Bar（3）Upper end is rotatably connected to turntable（4）, the turntable（4）Top is equipped with cylindrical come directly towards（5）And cylindrical top（5）Under Position offers the first threaded hole among end face（6）, the turntable（4）Position is equipped with vertically extending and with first among upper surface Threaded hole（6）Matched first screw rod（7）, the cylindrical top（5）Circumferentially-spaced be equipped with of outer wall comes directly towards along cylinder（5） Diametric(al) extends and impermeable multiple first square holes（8）, first square hole（8）It is interior to block and have L-shaped support device, The L-shaped support device height is arbitrarily adjustable and can be fixed in arbitrary height and position, which has：When thousand Jin top（1）When automobile is jacked up, multiple L-shaped support device cards and in cylinder come directly towards（5）The first square hole in peripheral outer wall （8）Interior, multiple L-shaped support devices support automobile to make jack（1）It can withdraw from；The cylindrical top（5）It is all outside First square hole of wall（8）It is interior to be equipped with for card and in the first square hole（8）The locking dress of interior L-shaped support device positioning It sets, the jack（1）Cylinder top（5）Positioned at the first square hole（8）The outer wall of lower section is equipped with for locking device The tripper of unlock.

2. automobile specified according to claim 1 assembles jack, which is characterized in that the L-shaped support device includes card With in the L-shaped bar in square hole（9）, the L-shaped bar（9）Vertically extending part and towards jack（1）One side wall is equipped with perpendicular To multiple first teeth of distribution（10）, the L-shaped bar（9）Vertical section is snug fit at the first rectangular cylinder of upper end opening（11） It is interior, first rectangular cylinder（11）Towards jack（1）Side is fixed at intervals two along its width direction and is placed in the first rectangle Cylinder（11）First arc panel of upper end（12）, it is placed in two first arc panels（12）Between the first rectangular cylinder（11）On outer wall Offer the second penetrating square hole（13）, two first arc panels（12）Between be equipped with and the first tooth（10）Matched One ratchet（14）And first ratchet（14）Set is fixed in first axle（15）On, two first arc panels（12）On open up Have and first axle（15）It is slidably matched and along perpendicular to first axle（15）The first rectangular opening that length direction extends（16）, described One axis（15）Longitudinal both ends are respectively through two first rectangular openings（16）Protruding first arc panel（12）And it stretches out both ends difference It is rotationally connected with interval and is set in the first rectangular cylinder（11）The first U-bracket on outer wall（17）On, first U-bracket （17）It is parallel to first axle（15）Position offers the second penetrating threaded hole among side（18）And second threaded hole（18）It is interior It is combined with the first bolt（19）, first rectangular cylinder（11）Towards the second threaded hole（18）One side wall on offer with second Threaded hole（18）Matched first circular hole（20）And first bolt（19）Bottom end is rotationally connected with the first circular hole（20）It is interior.

3. automobile specified according to claim 2 assembles jack, which is characterized in that the locking device includes being set to First square hole（8）Vertically extending and impermeable second rectangular opening in inner bottom wall（21）, second rectangular opening（21）Interior cunning It is dynamic to be combined with the first thin plate（22）, first thin plate（22）Lower end and the second rectangular opening（21）Two are arranged at intervals between bottom wall First spring（23）And first spring（23）The second rectangular opening is fixed in one end（21）The bottom wall other end is fixed on the first thin plate （22）Lower end, first thin plate（22）Upper end deviates from the first screw rod（7）Side offers the first inclination angle（24）, the L-shaped bar （9）Towards the first thin plate（22）Side lower end offers and the first inclination angle（24）Matched second inclination angle（25）, the L-shaped bar （9）It is placed in the first square hole（8）It is interior towards the second rectangular opening（21）One side wall offers and the first thin plate（22）Matched Six rectangular openings（85）.

4. automobile specified according to claim 3 assembles jack, which is characterized in that the tripper includes that setting exists Cylinder top（5）Outer wall and be located at the first square hole（8）The third rectangular opening of lower section（26）, the third rectangular opening（26）With Second rectangular opening（21）Connection, first thin plate（22）Lower end is connected with edge and is parallel to jack（1）Upper bed-plate and opposite to each other in First screw rod（7）The second thin plate that direction extends（27）, second thin plate（27）Through third rectangular opening（26）Protruding circle Cylindricality comes directly towards（5）.

5. automobile specified according to claim 1 assembles jack, which is characterized in that the jack（1）Including the first U Shape pedestal（28）And the first U-shaped pedestal（28）It is equipped at intervals between two madial walls at intermediate position and is rotationally connected with the first U-shaped bottom Seat（28）The second axis on two madial walls（29）, second axis（29）The upper intrinsic first gear of set（30）And two second axis（29） On first gear（30）Intermeshing, second axis（29）Axial both ends cover intrinsic two first support arms respectively（31）, two Second axis（29）On the first support arm（31）Constitute V-shaped rest, mutually matched two first support arms（31）It is another End is rotationally connected with third axis respectively（32）Axial both ends, the two third axis（32）Intermediate position is also connected with along vertical Directly in third axis（32）The first rectangular block that length direction extends（33）, first rectangular block（33）With the first support arm（31） Between third axis（32）On be also rotatably connected to the second support arm（34）, mutually matched two second support arms（34）Between it is solid Surely there is the 4th axis（36）, mutually matched two second support arms（34）Between the 4th axis（36）The upper intrinsic second gear of set（37） And two the 4th axis（36）On second gear（37）Intermeshing, further includes being fixed on lifting platform（2）The opening of lower end is backwards Lifting platform（2）The second U-shaped pedestal（35）, the 4th axis（36）Both ends be pierced by the second support arm（34）It is rotatably connected on Second U-shaped pedestal（35）Two cantilevers on, two first rectangular blocks（33）The second penetrating circle is offered on opposite end surface Hole（38）, one of them second circular hole（38）Inside it is rotatably connected to the second screw rod（39）, another second circular hole（38）Inner sleeve is intrinsic First cylindrical tube of one end open（40）And first cylindrical tube（40）Inner wall offers and the second screw rod（39）It is matched Threaded line, second screw rod（39）Not with the first cylindrical tube（40）Coordinate protruding second circular hole in one end（38）.

6. automobile specified according to claim 5 assembles jack, which is characterized in that described to be rotatably connected to the second screw rod （39）The first rectangular block（33）Away from the first cylindrical tube（40）End face is fixedly connected with the first rectangular cavities（41）, described First rectangular cavities（41）With the first rectangular block（33）Connecting portion offers and the second circular hole（38）Matched third circular hole （42）, second screw rod（39）Not with the first cylindrical tube（40）Coordinate protruding second circular hole in one end（38）And through third Circular hole（42）It is rotationally connected with the first rectangular cavities（41）Far from the first rectangular block（33）On the side wall of one end, second screw rod （39）It is placed in the first rectangular cavities（41）Inside points cover intrinsic third gear（43）And third gear（43）It is engaged with the 4th gear （44）, the 4th gear（44）Set, which is fixed in, is rotatably connected on the first rectangular cavities（41）The 5th interior axis（45）Upper and the 4th tooth Wheel（44）Intrinsic 5th gear of coaxial sleeve（46）, the 5th gear（46）It is engaged with the 6th gear（47）And the 6th gear（47） It is fixed in and is rotationally connected with the first rectangular cavities（41）The 6th interior axis（48）On, the 6th axis（48）Pass outwards through the first square Shape cavity（41）Far from the first rectangular block（33）One side wall and its external part are equipped with the second cylindrical tube of one end open（49）, institute State the second cylindrical tube（49）Outer wall circumferential direction both ends offer corresponding 4th circular hole（50）.

7. automobile specified according to claim 5 assembles jack, which is characterized in that the jack（1）Lifting platform （2）It is fixed on the second U-shaped pedestal（35）Upper surface, the lifting platform（2）Lower face is along the first U-shaped pedestal（35）Width side It is connected separately with an auxiliary support apparatus to both ends, which includes being fixed on lifting platform（2）Along the first U-shaped Pedestal（35）Second cylindrical bar of width direction both sides lower face（51）And second cylindrical bar（51）Lower end is equipped with the first circle Shape baffle（52）, it is placed in the lifting platform（2）Lower face and the first circular baffle plate（52）Between the second cylindrical bar（51） On be rotatably connected to third U-shaped pedestal（53）, the third U-shaped pedestal（53）Bottom wall upper and lower ends contact at lifting platform respectively （2）With the first circular baffle plate（52）And it is rotatably assorted in lifting platform（2）With the first round gear, the third U-shaped pedestal（53） The 7th axis is fixedly connected between two cantilevers（54）And the 7th axis（54）On be rotatably connected to the first rectangular body rod（55）, described One rectangular body rod（55）Far from third U-shaped pedestal（53）The one side wall of one end is equipped with along the first rectangular body rod（55）Length direction Multiple second teeth of arrangement（56）, the first rectangular body rod（55）It is slidably connected to the second rectangular cylinder（57）It is interior, described second Rectangular cylinder（57）Close to third U-shaped pedestal（53）One end and with the second tooth（56）Distinguish at the width direction both ends of corresponding one side wall Equipped with along perpendicular to the second rectangular cylinder（57）Two second arc panels that length direction extends（58）, it is placed in two second arc panels（58） Between the second rectangular cylinder（57）Penetrating third square hole is offered in one side wall（59）, two second arc panels（58）It Between be equipped with and the second tooth（56）Matched second ratchet（60）And second ratchet（60）Set is fixed in the 8th axis（61） On, two second arc panels（58）On offer and the 8th axis（61）It is slidably matched and along perpendicular to the 8th axis（61）Length side To the 4th rectangular opening of extension（62）, the 8th axis（61）Axial both ends are respectively through two the 4th rectangular openings（62）Protruding Two arc panels（58）And its stretching both ends is rotationally connected with interval and is set in the second rectangular cylinder respectively（57）The second U-shaped on outer wall Holder（63）On, second U-bracket（63）It is parallel to the 8th axis（61）Position offers penetrating third spiral shell among side Pit（64）And third threaded hole（64）Inside it is combined with the second bolt（65）, second rectangular cylinder（57）Towards third threaded hole （64）One side wall on offer and third threaded hole（64）Matched 5th circular hole（66）And second bolt（65）Bottom end turns It is dynamic to be connected to the 5th circular hole（66）It is interior, it is located at the first U-shaped pedestal（28）Longitudinal two side of bottom end, which is equipped with, is parallel to the One U-shaped pedestal（28）And the two third thin plates extended along opposite direction（67）, the third thin plate（67）Upper surface is equipped with vertical The third cylindrical bar of extension（68）And third cylindrical bar（68）On be rotatably connected to the 4th thin plate（69）, the 4th thin plate （69）Far from third cylindrical bar（68）One end upper surface is equipped with spindle housing（70）And second rectangular cylinder（57）Bottom end is rotatablely connected In spindle housing（70）On.

8. automobile specified according to claim 2 assembles jack, which is characterized in that first rectangular cylinder（11）Relatively Two lateral walls are equipped with along perpendicular to the first rectangular cylinder（11）Multiple third teeth of short transverse arrangement（71）, first square Shape cylinder（11）Upper spacer sleeve is equipped with along perpendicular to the first rectangular cylinder（11）First support plate of short transverse setting（72）, described One support plate（72）On offer and the first rectangular cylinder（11）Matched 5th rectangular opening（73）, first rectangular cylinder（11） Two lateral walls with teeth are not opened up is snug fit at the 5th rectangular opening corresponding thereto（73）Two lateral walls, described One rectangular cylinder（11）The 5th rectangular opening with one side wall with teeth and corresponding thereto（73）Rotation connection is equipped between one side wall In the 5th rectangular opening（73）9th axis of width direction two side（74）, the 9th axis（74）Upper axially spaced-apart set is inherently with the Three teeth（71）Two the 7th gears being meshed（75）, first rectangular cylinder（11）With another side wall with teeth and corresponding thereto The 5th rectangular opening（73）One side wall between the 5th rectangular opening（73）It is offered on width direction two side along perpendicular to the One rectangular cylinder（11）The strip grooves that short transverse extends（76）, further include being snug fit at two strip grooves（76）Interior third U-shaped Holder（77）, the third U-bracket（77）It is connected between two cantilevers along perpendicular to the first rectangular cylinder（11）Short transverse is prolonged The tenth axis stretched（78）And the tenth axis（78）Upper axially spaced-apart set inherently with third tooth（71）Two third ratchets of engagement （79）, the third U-bracket（77）Linking arm deviate from the tenth axis（78）Side offers not penetrating 6th circular hole（80）, institute State the first support plate（72）Along its length direction close to third ratchet（79）Lateral one end offers and the 6th circular hole （80）It matches and the 4th penetrating threaded hole（81）, the 4th threaded hole（81）Inside it is combined with third bolt（82）And third Bolt（82）Bottom end is rotationally connected with the 6th circular hole（80）It is interior, first rectangular cylinder（11）Bottom end is equipped with and is parallel to the first rectangle Cylinder（11）5th thin plate of bottom wall（83）.

9. automobile specified according to claim 1 assembles jack, which is characterized in that the cylindrical top（5）Upper end Face is equipped with the groove of right-angled intersection（84）.