CN108408630B - 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 cylinder top being set on jack lifting platform, L shape support device is blocked and had to cylinder in top, the first support plate is additionally provided in L shape 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, auxiliary support apparatus is additionally provided 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 shape support device, to replace jack ontology to bear vehicle weight 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 technique

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 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 Equipment self-weight, an important Hydraulic Elements for adjusting equipment 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 and contact area of ground are big and support and consolidate, but due to its compared with Big volume is not readily portable, especially just seems in the limited situation in space 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 in size, 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 Operator brings 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 self gravity, expendable damage can be generated to jack ontology, seriously affect jack uses the longevity Life, substantially reduces the security reliability of jack；Another is since most of jack top lifting heights are limited, when needing to 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 be pushed up vehicle with multiple jack according to the conventional method Rise, just can not achieve in the case where 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.

Summary of the invention

For above situation, for the defect for overcoming the prior art, the present invention provides 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 is bigger, so that keep jacking process more steady, firm；The automobile specified assembles jack effective solution carry out chassis When tall vehicle jacks, because the top lifting height by jack is limited the problem of can not jacking up vehicle；When needing vehicle Completely jack up carry out chassis maintenance when, the dedicated assembling jack can utilize itself distinctive assembling property, by utilize 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, and feature exists In position is equipped with vertically extending first cylindrical bar among the lifting platform upper surface and the rotation of the first cylindrical bar upper end connects It is connected to turntable, position among cylindrical top and cylindrical top lower end surface is equipped with above the turntable and offers the first screw thread Hole, turntable upper surface centre position are equipped with the first screw rod that is vertically extending and closing with the first corresponding threaded holes, the cylinder Shape comes directly towards circumferentially-spaced be equipped with of outer wall and extends along cylinder top diametrical direction and impermeable multiple first square holes, and described the Block and have L shape support device in one square hole, the L shape support device height is arbitrarily adjustable and can carry out in any height and position Fixed, which includes when jack jacks up automobile, multiple L shape support device cards and in cylinder top week In the first square hole on outer wall, multiple L shape support devices support automobile that jack is withdrawn from；The cylinder It comes directly towards in the first square hole of peripheral outer wall and is equipped with for card and the locking positioned in the L shape support device in the first square hole Device, the jack cylinder top are located at the outer wall below the first square hole equipped with the solution for unlocking to locking device Locking device；

The L shape support device includes card and in the L shape bar in square hole, the vertically extending part of the L shape bar and towards Jack one side wall is equipped with multiple first teeth being vertically distributed, and the L shape bar vertical section is snug fit at upper end opening In first rectangular cylinder, first rectangular cylinder is fixed at intervals with two towards one lateral edge of jack its width direction and is placed in the first square First arc panel of shape cylinder upper end offers penetrating on the first rectangle drum outer wall being placed between two first arc panels Two square holes are equipped with the first ratchet matched with the first tooth and the first ratchet set between two first arc panels It is fixed in first axle, offers and be slidably matched with first axle and along perpendicular to first axle length direction on two first arc panels Extend the first rectangular opening, first axle longitudinal direction both ends respectively through protruding first arc panel of two first rectangular openings and its stretch Both ends are rotationally connected with interval respectively and are set on the first U-bracket on the first rectangle drum outer wall out, first U-bracket It is parallel to position among first axle side and offers and be combined with the first bolt, institute in the second penetrating threaded hole and the second threaded hole State the first circular hole and first for offering in one side wall of first rectangular cylinder towards the second threaded hole and closing with the second corresponding threaded holes Bolt bottom end is rotationally connected in the first circular hole；

The first rectangular cylinder two opposite outer wall is equipped with along perpendicular to the multiple of the first rectangular cylinder short transverse arrangement Third tooth, spacer sleeve is equipped with along the first support perpendicular to the setting of the first rectangular cylinder short transverse in first rectangular cylinder Plate offers the 5th rectangular opening matched with the first rectangular cylinder in first support plate, and first rectangular cylinder does not open up Two lateral walls with teeth are snug fit at the two lateral walls of the 5th rectangular opening corresponding thereto, the first rectangular cylinder band It is equipped between one side wall with teeth and the 5th rectangular opening one side wall corresponding thereto and is rotationally connected with the 5th rectangle hole width side To the 9th axis of two sidewalls, axially spaced-apart covers two the 7th gears that are inherently meshed with third tooth on the 9th axis, and described the The 5th rectangle hole width between one rectangular cylinder band another side wall with teeth and the one side wall of the 5th rectangular opening corresponding thereto It is offered on the two sidewalls of direction along the strip grooves extended perpendicular to the first rectangular cylinder short transverse, further includes being snug fit at two length Third U-bracket in bar groove is connected between two cantilever of third U-bracket along perpendicular to the first rectangular cylinder short transverse Extend the tenth axis and the tenth axis on axially spaced-apart set inherently with two third ratchets of third tooth engagement, the third U-shaped The linking arm of bracket offers not penetrating 6th circular hole away from the tenth axis side, and first support plate is leaned on along its length direction Nearly third ratchet transverse direction one end is offered to be matched and the 4th penetrating threaded hole with the 6th circular hole, the 4th threaded hole It is inside combined with third bolt and third bolt bottom end is rotationally connected in the 6th circular hole, first rectangular cylinder bottom end is equipped with parallel In the 5th thin plate of the first rectangular cylinder bottom wall.

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 shape pole face is to the first thin plate side Lower end offers the second inclination angle matched with the first inclination angle, and the L shape bar is placed in the first square hole towards the second rectangular opening One side wall offers the 6th rectangular opening matched with the first thin plate.

Preferably, the tripper includes the third that cylindrical top outer wall is arranged in and is located at 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 inner sidewalls at the first U-shaped pedestal centre position Every being equipped with the second axis being rotationally connected on two inner sidewall 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 ends cover intrinsic two first support arm respectively, and two described the The first support arm on two axis constitutes V-shaped rest, and the other end of mutually matched two first support arm is rotationally connected with the respectively The axial 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 arm 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 Second U-shaped pedestal of platform, the both ends of 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 connects in one of them second circular hole It is connected to the second screw rod, intrinsic first cylindrical tube open at one end of another second circular hole inner sleeve and the first cylindrical tube inner wall opens up There is the threaded line matched with the second screw rod, second screw rod does not cooperate protruding second circle in one end with the first cylindrical tube Hole.

Preferably, first rectangular block for being rotatably connected to the second screw rod is away from the fixed company in one end face of the first cylindrical tube It is connected to the first rectangular cavities, first rectangular cavities are offered with the first rectangular block connecting portion to be matched with the second circular hole Third circular hole, second screw rod do not cooperate protruding second circular hole in one end with the first cylindrical tube and rotate 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 intracorporal 5th axis of chamber and intrinsic 5th gear of the 4th gear coaxial sleeve, the 5th gear are engaged with the 6th gear and the 6th Gear, which is fixed in, to be rotationally connected on intracorporal 6th axis of the first rectangular cavity, and it is remote that the 6th axis passes outwards through the first rectangular cavities From the first rectangular block one side wall and its extension end is equipped with the second cylindrical tube open at one end, 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 end surface edge The second U-shaped base width direction both ends be connected separately with an auxiliary support apparatus, the auxiliary support apparatus include be fixed on top Peaceful is equipped with the along the second cylindrical bar and the second cylindrical bar lower end of the second U-shaped base width direction two sides lower end surface One circular baffle plate is rotatably connected on the second cylindrical bar being placed between the lifting platform lower end surface 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 circular baffle plate, is fixedly connected with the 7th axis and the 7th between two cantilever of third U-shaped pedestal The first rectangular body rod is rotatably connected on axis, the first rectangular body rod is equipped with far from the one side wall of third U-shaped pedestal one end Along multiple second teeth of the first cuboid pole length direction arrangement, the first rectangular body rod is slidably connected to the second rectangular cylinder Interior, second rectangular cylinder is close to third U-shaped pedestal one end and the width direction both ends of one side wall corresponding with the second tooth are distinguished Equipped with two second arc panels that edge extends perpendicular to the second rectangular cylinder length direction, the second square being placed between two second arc panels It offers penetrating third square hole in shape cylinder one side wall, the matched with the second tooth is equipped between two second arc panels Two ratchets and the second ratchet set is fixed on the 8th axis offer on two second arc panels and match with the sliding of the 8th axis It closes and edge is perpendicular to the 4th rectangular opening of the 8th shaft length direction extension, the 8th axis axial ends is respectively through two the 4th rectangles Protruding second arc panel in hole and its stretch out both ends and be rotationally connected with interval is set on the second rectangle drum outer wall the respectively On two U-brackets, second U-bracket is parallel to position among the 8th axis side and offers penetrating third threaded hole and the It is combined with the second bolt in three threaded holes, is offered and third spiral shell in the one side wall of second rectangular cylinder towards third threaded hole The 5th circular hole and the second bolt bottom end that pit matches are rotationally connected in the 5th circular hole, are located at the first U-shaped pedestal bottom Longitudinal two sidewalls at end are equipped with the two third thin plates for being parallel to the first U-shaped pedestal and extending along opposite direction, and the third is thin Plate upper surface, which is equipped on vertically extending third cylindrical bar and third cylindrical bar, is rotatably connected to the 4th thin plate, and the described 4th Thin plate 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 cylindrical top upper surface is equipped with the groove of right-angled intersection.

Above-mentioned technical proposal beneficial effect is:

(1) automobile specified assembling jack includes jack ontology in the present invention, and is rotationally connected with jack ontology Auxiliary support apparatus on first U-shaped pedestal and the second U-shaped pedestal, the auxiliary support apparatus can with the lifting of jack ontology and It carries out free extension and can be positioned at an arbitrary position, assisted relative to jack is increased in traditional jack present invention Support device considerably increases the contact area on jack and ground, improves the stability of jack, another works as jack When idle, which can be shunk with the decline of jack ontology support arm, and be can be carried out folding and reduced thousand Jin withstands on interior occupied space.

(2) in the present invention automobile specified assembling jack in addition to jack ontology and auxiliary support apparatus are with to be additionally provided with L Shape support device, by the L shape support device card and in the cylinder being arranged on lifting platform after jack jacks up vehicle In the first square hole on top, it is detached from jack and cylindrical top by rotary turnplate, fully relies on shape L shape branch at this time Support dress jacks up vehicle, when that need to put down vehicle, jack is carried out cooperation jack with cylinder top and jacks up vehicle, L shape support device to be removed at this time, operation jack makes vehicle drop to ground, and it is easy to operate simple, pass through L shape support device Damage of the vehicle weight to jack is significantly reduced instead of jack load-bearing.

(3) liftable first support plate is equipped in the present invention in L shape support device and first support plate can be in office The positioning of meaning position, when the lift height of jack is not enough to jack up on vehicle, is placed on the first support plate for jack base On, the height by adjusting the first support plate enables jack to jack up the higher vehicle in chassis, increases being applicable in for jack Property.

Detailed description of the invention

Fig. 1 is main view of the present invention；

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

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

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

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

Fig. 6 is jack support arm of the present invention and upper and lower two pedestals seperated schematic diagram；

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

Fig. 8 separates for cylindrical top of the invention with turntable and locking device comes directly towards seperated schematic diagram with cylinder；

Fig. 9 is the cylindrical top of the present invention and turntable seperated schematic diagram；

Figure 10 is auxiliary support apparatus partially exploded diagram of the present invention；

Figure 11 is that L shape support device of the present invention and the first support plate cooperate schematic diagram；

Figure 12 is L shape support device partially exploded diagram of the present invention；

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

Figure 14 is that L shape support device of the present invention and cylindrical top internal lock determine device and cooperate schematic diagram；

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 shape 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 embodiment

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 invention is described below with reference to accompanying drawings.

Embodiment 1, automobile specified assemble jack, including jack 1,1 upper end of jack are connected with lifting platform 2, which is characterized in that it is cylindrical to be equipped with vertically extending first cylindrical bar 3 and first for position among 2 upper surface of lifting platform 3 upper end of bar is rotatably connected to turntable 4, and cylindrical top 5 and 5 lower end surface middle parts of cylindrical top are equipped with above the turntable 4 Position offers the first threaded hole 6, and position is equipped with vertically extending and matches with the first threaded hole 6 among 4 upper surface of turntable The first screw rod 7,5 outer walls of the cylindrical top are circumferentially-spaced to be equipped with and extends along 5 diametrical directions of cylinder top and not penetrating Multiple first square holes 8, card and have L shape support device in first square hole 8, the L shape support device height is random Adjustable and can be fixed in any height and position, which includes 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 shape support devices support vapour Vehicle withdraws from jack 1；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 shape support device positioning in first square hole 8, the cylindrical top 5 of the jack 1 are located at the first square hole The outer wall of 8 lower sections is equipped with the tripper for unlocking to locking device.

The embodiment when in use, when vehicle needs replacing tire or other situations need to jack up vehicle, is led to Crossing operation jack 1 jacks vehicle, after jack 1 jacks vehicle, vehicle due to re-type or into Need to occupy the long period when other maintenance of row, jack 1 bears always the pressure of vehicle own wt at this time, is in for a long time Jacking state will cause the damage of jack 1, the reliability of jack 1 will be made to substantially reduce over time, thus to very heavy The user on top 1 and jacking vehicle bring security risk, and the automobile specified assembles jack effective solution in the present invention This problem, after jack 1 jacks up vehicle, since the L shape support device height can cooperate the top lifting height of jack 1 to appoint It anticipates adjustable, reaches and matched with the top lifting height of jack 1 and L shape branch at this time by adjusting the height of L shape support device Support arrangement is in steady status, and L shape support device will be inserted into the cylinder that is set to being matched therewith at this time and come directly towards 5 circumferentially 8 in the first square hole on outer wall, L shape support device is carried out effectively by the locking device being set in the first square hole 8 It positions and locks, make firm and reliable connection between L shape support device and cylindrical top 5, due to cylinder top 5 and jack It is cooperatively connected between 1 by the first threaded hole 6 and the first screw rod 7,1 support arm of jack is shunk, the dress of L shape support at this time It sets and jacks up vehicle instead of very heavy 1,1 bottom of jack and ground are detached from this time, since turntable 4 is rotationally connected with the first cylinder On bar 3, not needing rotation 1 need of jack at this time screws out the first screw rod 7 i.e. out of first threaded hole 6 by rotary turnplate 4 Jack 1 and cylinder top 5 can be kept completely separate, vehicle has completely been withdrawn from jack 1 by L shape support device at this time Effect alleviates under long-time weight that vehicle is to damage caused by jack 1, when needing to put down on vehicle, passes through rotary turnplate 4 make the first screw rod 7 carry out cooperation with the first threaded hole 6 to connect together jack 1 with cylinder top 5, grasp at this time Make 1 support arm of jack make 1 support arm of jack carry out jacking so that make 1 bottom of jack contact ground, it is very heavy at this time to open Beginning load-bearing unlocks locking device by the tripper being set in the first square hole 8 at this time, thus by L shape support device It is taken out out of first square hole 8, then operating jack 1 shrinks 1 support arm of jack so that vehicle is made to drop down onto ground, operates Process is simply, conveniently.

The L shape support device includes card and in the L shape bar 9 in square hole, the vertically extending part of the L shape bar 9 and face Multiple first teeth 10 being vertically distributed are equipped with to 1 one side wall of jack, 9 vertical section of L shape bar is snug fit at upper end In first rectangular cylinder 11 of opening, first rectangular cylinder 11 is fixed at intervals with two towards its width direction of 1 one lateral edge of jack A the first arc panel 12 for being placed in 11 upper end of the first rectangular cylinder, the first rectangular cylinder 11 being placed between two first arc panels 12 It offers the second penetrating square hole 13 on outer wall, the matched with the first tooth 10 is equipped between two first arc panels 12 One ratchet 14 and 14 sets of the first ratchet is fixed in first axle 15 offers and first on two first arc panels 12 Axis 15 is slidably matched and along the first rectangular opening 16 extended perpendicular to 15 length direction of first axle, the longitudinal both ends of the first axle 15 It is rotationally connected with interval respectively and is set in through protruding first arc panel 12 of two first rectangular opening 16 and its stretching both ends respectively On the first U-bracket 17 on first rectangular cylinder, 11 outer wall, first U-bracket 17 is parallel to 15 side middle part of first axle Position, which offers, is combined with the first bolt 19 in the second penetrating threaded hole 18 and the second threaded hole 18,11 face of the first rectangular cylinder The first circular hole 20 matched with the second threaded hole 18 and 19 bottom of the first bolt are offered in the one side wall of the second threaded hole 18 End is rotationally connected in the first circular hole 20.The embodiment is when in use, very heavy when needing to cooperate L shape support device height When the top lifting height on top 1 is adjusted, the first ratchet of original state 14 is tightly engaged with the first tooth 10, by pulling up L shape bar 9 makes L shape bar 9 skid off the first rectangular cylinder 11 upwards along 11 short transverse of the first rectangular cylinder and then adjusts L shape support device Height matches it with 1 top lifting height of jack, and L shape bar 9 is meshed by the first ratchet 14 with the first tooth 10 at this time And fix, when needing to turn down L shape support device height, at this time by screwing the first bolt 19, due to 19 bottom of the first bolt End is rotationally connected in the first circular hole 20, and the first U-bracket 17 can be as the rotation of the first bolt 19 be along the first rectangular opening at this time 16 is mobile far from 10 direction of the first tooth towards the first ratchet 14, and the first U-bracket 17 drives the first ratchet 14 at this time Separate it with the first tooth 10, L shape bar 9 is in free state at this time, is then contracted in the first rectangular cylinder 11, when again When using needing to adjust L shape support device height, the first bolt 19 is screwed in opposite direction at this time, making 17 band of the first U-bracket Dynamic first ratchet 14 is moved towards the first ratchet 14 close to 10 direction of the first tooth along the first rectangular opening 16, is made first unidirectional Gear 14 is engaged with the first tooth 10, if the first ratchet 14 and the first tooth 10 touch tooth phenomenon, in the first unidirectional tooth Wheel 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 the first ratchet 14 and the One tooth 10 is corresponding, then keeps the first ratchet 14 and the first tooth 10 at a fully engaged by screwing the first bolt 19, passes through The above operation can make the L shape support device height any adjustable and can be at an arbitrary position by its reliable location.

First rectangular cylinder, the 11 two opposite outer wall is equipped with along perpendicular to 11 short transverse of the first rectangular cylinder arrangement Multiple third teeth 71, spacer sleeve is equipped with along perpendicular to the setting of 11 short transverse of the first rectangular cylinder in first rectangular cylinder 11 First support plate 72 offers the 5th rectangular opening 73 matched with the first rectangular cylinder 11 in first support plate 72, described First rectangular cylinder 11 does not open up opposite the two of the 5th rectangular opening 73 that two lateral walls with teeth are snug fit at corresponding thereto Side wall is equipped between 73 one side wall of the 5th rectangular opening of first rectangular cylinder 11 with one side wall with teeth and corresponding thereto and turns Dynamic the 9th axis 74 for being connected to 73 width direction two sidewalls of the 5th rectangular opening, axially spaced-apart set is inherently with the on the 9th axis 74 Two the 7th gears 75 that three teeth 71 are meshed, first rectangular cylinder 11 with another side wall with teeth and corresponding thereto the 5th It is offered on 73 width direction two sidewalls of the 5th rectangular opening between the one side wall of rectangular opening 73 along perpendicular to the first rectangular cylinder 11 The strip grooves 76 that short transverse extends, further include the third U-bracket 77 being snug fit in two strip grooves 76, the 3rd U It is connected between 77 liang of cantilevers of shape bracket along the tenth axis 78 and the tenth axis 78 extended perpendicular to 11 short transverse of the first rectangular cylinder Upper axially spaced-apart covers the two third ratchets 79 inherently engaged with third tooth 71, the linking arm back of the third U-bracket 77 Not penetrating 6th circular hole 80 is offered from 78 side of the tenth axis, first support plate 72 is along its length direction close to third list It offers and is matched with the 6th circular hole 80 and the 4th penetrating threaded hole 81 to the lateral one end of gear 79, the 4th threaded hole 81 It is inside combined with third bolt 82 and 82 bottom end of third bolt is rotationally connected in the 6th circular hole 80,11 bottom end of the first rectangular cylinder 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 for the embodiment Just it will appear when offroad vehicle because top lifting height is not enough and the case where can not jack up vehicle, at this time in 11 outer wall of the first rectangular cylinder Upper setting liftable and the first support plate 72 that can position at an arbitrary position, when occur top lifting height it is inadequate when by 1 bottom of jack Seat is placed in liftable first support plate 72, is then operated jack 1 again and is jacked, and increases thousand relative to indirect The top lifting height on jin top 1 specifically when operation, is still not readily accessible to vehicle bottom when jack 1 is in maximum jacking state at this time Disk, the height for adjusting the first support plate 72 at this time reach specific position, and user is only needed to pull up the first support plate 72 To a certain position, the 9th axis 74 is equipped with the 7th gear 75 being meshed with third tooth 71, covered on third U-bracket 77 inherently with The third ratchet 79 that third tooth 71 is meshed, first support plate 72 is determined under the action of third ratchet 79 at this time Position is in steady status, and operating jack 1 at this time shrinks its support arm, due to being cooperated above jack 1 by screw flight It linking together with cylinder top 5,1 pedestal of jack can be detached from ground with the contraction of support arm at this time, so that make thousand The both ends of 1 first U-shaped pedestal 28 of jin top are respectively placed in corresponding two first support plate 72, and the 4th thin plate 69 is placed at this time In in another two groups corresponding first support plates 72, operation jack 1 jacks it again at this time, by by jack 1 Pedestal is placed in the top lifting height that the jack 1 is substantially increased in the first support plate 72, so that the applicability of the jack 1 is big Big to improve, when needing to put down on vehicle, need to only screw the first bolt 19 at this time will be set to the first U in the first rectangular cylinder 11 Shape bracket 17 drives direction of first ratchet 14 towards the first ratchet 14 far from the first tooth 10 mobile, and first is single at this time Be detached to gear 14 and the first tooth 10, operating jack 1 again shrinks 1 support arm of jack, thus make cylindrical top 5 with Chassis separation, when needing to adjust the height of the first support plate 72, makes third U-bracket 77 by screwing third bolt 82 It is slided towards third ratchet 79 far from the direction of third tooth 71 with third ratchet 79 along strip grooves 76, third is unidirectional Gear 79 and third tooth 71 are detached from the first support plate 72 at this time and are in free state, its height can be arbitrarily adjusted with demand, when need When first support plate 72 is relocated, only need to screw third bolt 82 in opposite direction makes third ratchet 79 and third Tooth 71 engages again, if third ratchet 79 and third tooth 71, which occurs, touches tooth phenomenon, in third ratchet 79 and the Three teeth 71 also not in contact with when, need to only stir third ratchet 79 at this time makes tooth and 71 phase of third tooth on third ratchet 79 Correspondence, then keep third ratchet 79 and third tooth 71 at a fully engaged by screwing third bolt 82, the first support at this time Plate 72 obtains effective position, is equipped with the 5th thin plate 83 in 11 bottom end of the first cylindrical tube and increases L shape support device and ground Contact area further improves the reliability and safety of the L shape support device.

Embodiment 2, on the basis of embodiment 1, the locking device include 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 shape bar 9 is offered towards 22 side lower end of the first thin plate to be matched with the first inclination angle 24 Second inclination angle 25, the L shape bar 9 are placed in the first square hole 8 and offer and the first thin plate towards 21 one side wall of the second rectangular opening 22 the 6th rectangular openings 85 matched.L shape 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 shape bar 9 offers the second inclination angle 25 matched with the first inclination angle 24 towards 22 side lower end of the first thin plate, when two inclination angle inclined-planes L shape 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 set the first thin plate 22 completely In making L shape 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 shape 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 is matched since L shape bar 9 is offered towards 21 one side wall of the second rectangular opening with the first thin plate 22 6th rectangular opening 85, the first thin plate 22 slides into the 6th rectangular opening 85 under the action of the first spring 23 at this time, at this time by L shape Bar 9 is locked, and guarantee is reliably connected it with cylinder top 5, improves the reliability of the L shape support device.

Embodiment 3, on the basis of embodiment 2, 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 the protruding cylindrical top 5 of third rectangular opening 26.The embodiment when in use, when needing L shape 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 fully sliding out the first thin plate 22 out of the 6th rectangular opening 85, L shape support device is in freely at this time State, so that L shape support device be taken out.

Embodiment 4, on the basis of embodiment 1, the jack 1 include the first U-shaped pedestal 28 and the first U-shaped pedestal 28 The second axis 29 being rotationally connected on 28 liang of inner sidewalls of the first U-shaped pedestal, institute are equipped at intervals between two inner sidewalls 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 arm 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 ends of third axis 32 respectively, in the two third axis 32 Between position be also connected with along perpendicular to 32 length direction of third axis extend the first rectangular block 33, first rectangular block 33 The second support arm 34, mutually matched two second support arm 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 arm 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, intrinsic first cylindrical tube 40 open at one end of another second circular hole, 38 inner sleeve and First cylindrical tube, 40 inner wall offers the threaded line matched with the second screw rod 39, second screw rod 39 not with the first cylinder Shape cylinder 40 cooperates protruding second circular hole 38 in one end.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 and then being threadedly engaged with the first cylindrical tube 40 with threaded line To sliding, so that support arm be driven 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, slides the second screw rod 39 and the first cylindrical tube 40 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 5, on the basis of embodiment 4, first rectangular block 33 for being rotatably connected to the second screw rod 39 deviates from First cylindrical tube, 40 1 end face is fixedly connected with the first rectangular cavities 41, first rectangular cavities 41 and the first rectangular block 33 Connecting portion offers the third circular hole 42 matched with the second circular hole 38, second screw rod 39 not with the first cylindrical tube 40 Cooperate 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 inner part of the first rectangular cavities and covers intrinsic third gear 43 and third Gear 43 is engaged with the 4th gear 44, and described 44 sets of 4th gear are 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 far from 33 one side wall of the first rectangular block and its extension end is equipped with the second cylindrical tube 49 open at one end, second cylinder 49 outer wall circumferential direction both ends of shape cylinder offer corresponding 4th circular hole 50.The embodiment when in use, preferably can be The protruding end of second screw rod 39 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 greater 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, protruding first square of the 6th axis 48 Shape cavity 41 and its extension end are connected with the second cylindrical tube 49, and second cylindrical tube 49 deviates from the first rectangular cavities 41 1 Side is open, 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 or decline processed, the 49 outer wall circumferential direction both ends of the second cylindrical tube are also provided with corresponding 4th circular hole 50, the jacking or decline of manually shaking and then control jack 1, applicability can be inserted into the 4th circular hole 50 with vehicle-mounted hand arm It is higher and by gear set transmission also save the strength of user of service.

Embodiment 6, on the basis of embodiment 4,1 lifting platform 2 of jack is fixed on 35 upper end of the second U-shaped pedestal Face, 2 lower end surface of lifting platform are connected separately with an auxiliary support apparatus along 35 width direction both ends of the second U-shaped pedestal, The auxiliary support apparatus includes the second circle for being fixed on lifting platform 2 along 35 width direction two sides lower end surface of the second 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 end surface of 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 respectively and are rotatably assorted in lifting platform 2 and the first round gear Plate 52 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 first Rectangular body rod 55, the first rectangular body rod 55 are equipped with far from the one side wall of 53 one end of third U-shaped pedestal along the first cuboid Multiple second teeth 56 of 55 length direction of bar arrangement, the first rectangular body rod 55 are slidably connected in the second rectangular cylinder 57, institute The second rectangular cylinder 57 is stated close to 53 one end of third U-shaped pedestal and the width direction both ends of one side wall corresponding with the second tooth 56 are distinguished Equipped with along two second arc panels 58 extended perpendicular to 57 length direction of the second rectangular cylinder, it is placed between two second arc panels 58 Penetrating third square hole 59 is offered in second rectangular cylinder, 57 one side wall, is equipped with and second between two second arc panels 58 60 sets of the second ratchet 60 and the second ratchet that tooth 56 matches are fixed on the 8th axis 61, two second arc panels 58 On offer and be slidably matched with the 8th axis 61 and along the 4th rectangular opening 62 extended perpendicular to 61 length direction of the 8th axis, described the Eight axis, 61 axial ends respectively through protruding second arc panel 58 of two the 4th rectangular opening 62 and its stretch out both ends company of rotation respectively It is connected on the second U-bracket 63 that interval is set on 57 outer wall of the second rectangular cylinder, second U-bracket 63 is parallel to the 8th Position, which offers, among 61 side of axis is combined with the second bolt 65 in penetrating third threaded hole 64 and third threaded hole 64, described The 5th circular hole 66 matched with third threaded hole 64 is offered in second one side wall of the rectangular cylinder 57 towards third threaded hole 64 And 65 bottom end of the second bolt is rotationally connected in the 5th circular hole 66, positioned at longitudinal two sidewalls of 28 bottom end of the first U-shaped pedestal It 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 Equipped with the 4th thin plate 69 is rotatably connected on vertically extending third cylindrical bar 68 and third cylindrical bar 68, the described 4th is thin Plate 69 is equipped with spindle housing 70 far from 68 one end upper surface of third cylindrical bar and 57 bottom end of the second rectangular cylinder is rotationally connected with shaft On frame 70.

When in use, existing jack 1 is during being jacked due to pedestal and ground for the embodiment Contact area is little, if having slight shaking or ground to have injustice slightly in user's operating process, it is more likely that The accident that jack 1 is toppled over occurs and brings security risk to user of service and vehicle, under preferable 1 lifting platform 2 of jack End face is connected separately with an auxiliary support apparatus along 35 width direction both ends of the second U-shaped pedestal, auxiliary branch when normal condition Support arrangement is in contraction state, which is rotationally connected with 2 lower end surface of lifting platform, lower end surface rotation connection In on the first U-shaped pedestal 28, fold by the auxiliary support apparatus when jack 1 leaves unused makes it be tightly attached to the first U Shape pedestal 28 and be parallel to the first U-shaped pedestal 28, when jack 1 in use, user rotate the auxiliary support apparatus make its by 28 position of the first U-shaped pedestal is parallel to turn to perpendicular to 28 state of the first U-shaped pedestal, at this time user operate jack 1 into Row jacking, the auxiliary support apparatus also with jack 1 jacking and increase, the first rectangular body rod 55 is from the second rectangular cylinder at this time Interior stretching is engaged with the second tooth into 56 rows due to the second ratchet 60 at this time when jack 1 reaches certain top lifting height, The auxiliary support apparatus also obtains positioning therewith cooperation jack 1 afterwards and supports vehicle together, when needing to put down on vehicle, this When keep the second U-bracket 63 single towards second along the 4th rectangular opening 62 with the second ratchet 60 by screwing the second bolt 65 It is slided to gear 60 far from the direction of the second tooth 56, after the second ratchet 60 is completely disengaged with the second tooth 56 to be engaged, this is auxiliary Support device is helped to be in free state, operation 1 support arm of jack shrink the auxiliary support apparatus and is also contracted to the therewith In two rectangular cylinders 57, when needing to reuse jack 1, the second bolt 65 is screwed in opposite direction, makes the second U-bracket 63 The second ratchet 60 is driven to nibble the second ratchet 60 mutually with the second tooth 56 towards the movement close to the direction of the second tooth 56 Close, if the 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, need to only stir the second ratchet 60 at this time keeps the tooth on the second ratchet 60 corresponding with the second tooth 56, then leads to It crosses and screws the second bolt 65 and keep the second ratchet 60 and the second tooth 56 at a fully engaged, which can cooperate very heavy It pushes up 1 jacking and increases, so that vehicle be jacked up.

Embodiment 7, 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 Yu 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 be can be carried out folding and reduced jack 1 Occupied space in the car；Automobile specified assembling jack is additionally provided with L shape branch other than jack 1 and auxiliary support apparatus Support arrangement, by the L shape 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, it is detached from jack 1 and cylindrical top 5 by rotary turnplate 4, fully relies 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 for vehicle It jacking up, at this time removes L shape support device, operation jack 1 makes vehicle drop to ground, and it is easy to operate simple, pass through L shape Support device replaces 1 load-bearing of jack to significantly reduce damage of the vehicle weight to jack 1；It supports and fills in L shape in the present invention It sets equipped with liftable first support plate 72 and first support plate 72 can position 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 relative to traditional 1 jacking method of jack Vehicle can just be jacked up completely, by assembling the distinctive assembling property of jack itself using the automobile specified, one can be passed through A jack 1 and multiple L shape support devices cooperate, and can be jacked completely vehicle, the specific use of time: first One jiao of vehicle is jacked up by 1 ontology of jack, pass through L shape support device after by one jiao of jack-up of vehicle and is set to thousand Cylindrical top 5 on 1 lifting platform 2 of jin top cooperates, and makes cylindrical top 5 and jack 1 by rotating turntable 4 at this time Ontology is separated, and vehicle is supported by L shape support device at this time, then by the jack 1 withdrawn from by another angle of vehicle into Row jack up, keep top lifting height identical as the top lifting height of first time, then make L shape support device again with cylinder top 5 into Row cooperation, 1 ontology of jack is withdrawn from, and repeats above procedure so that vehicle quadrangle is all jacked up, this process only needs one 1 ontology of jack and multiple L shape support devices, have reached preferable using effect 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 the scope of the present invention.

Claims (7)

1. automobile specified assembles jack, including jack (1), jack (1) upper end are connected with lifting platform (2), It is characterized in that, position is equipped with vertically extending first cylindrical bar (3) among lifting platform (2) upper surface and first is cylindrical Bar (3) upper end is rotatably connected to turntable (4), is equipped under cylindrical top (5) and cylindrical top (5) above the turntable (4) Position offers the first threaded hole (6) among end face, and position is equipped with vertically extending and with first among turntable (4) upper surface The first screw rod (7) that threaded hole (6) matches, cylindrical circumferentially-spaced be equipped with of top (5) outer wall come directly towards (5) along cylinder Diametrical direction extends and impermeable multiple first square holes (8), the first square hole (8) Nei Ka and has L shape support device, The L shape support device height is arbitrarily adjustable and can be fixed in any height and position, which includes when thousand Jin top (1) is when jacking up automobile, multiple L shape support device cards and in the first square hole in cylindrical top (5) peripheral outer wall (8) in, multiple L shape support devices support the automobile jack (1) can be withdrawn from；Cylindrical top (5) week is outward It is equipped in the first square hole (8) of wall for card and the locking dress positioned in the L shape support device in the first square hole (8) It sets, the cylindrical top (5) of the jack (1) is located at the outer wall below the first square hole (8) and is equipped with for locking device The tripper of unlock；

The L shape support device includes card and in the L shape bar (9) in square hole, the vertically extending part of the L shape bar (9) and face Multiple first teeth (10) being vertically distributed are equipped with to jack (1) one side wall, L shape bar (9) vertical section is slidably matched In in the first rectangular cylinder (11) of upper end opening, first rectangular cylinder (11) is towards (1) one lateral edge its width direction of jack Two the first arc panels (12) for being placed in the first rectangular cylinder (11) upper end are fixed at intervals with, two first arc panels (12) are placed in Between the first rectangular cylinder (11) outer wall on offer penetrating the second square hole (13), between two first arc panels (12) Equipped with the first ratchet (14) matched with the first tooth (10) and the first ratchet (14) set is fixed on first axle (15), It offers and is slidably matched with first axle (15) and along perpendicular to first axle (15) length direction on two first arc panels (12) The first rectangular opening (16) extended, the longitudinal both ends of the first axle (15) are respectively through two first rectangular openings (16) protruding first Arc panel (12) and its stretch out both ends be rotationally connected with the first U-shaped branch that interval is set on the first rectangular cylinder (11) outer wall respectively On frame (17), first U-bracket (17) is parallel to position among first axle (15) side and offers the second penetrating screw thread It is combined with the first bolt (19) in hole (18) and the second threaded hole (18), first rectangular cylinder (11) is towards the second threaded hole (18) the first circular hole (20) matched with the second threaded hole (18) is offered in one side wall and the first bolt (19) bottom end turns It is dynamic to be connected in the first circular hole (20)；

First rectangular cylinder (11) the two opposite outer wall is equipped with along perpendicular to the first rectangular cylinder (11) short transverse arrangement Multiple third teeth (71), spacer sleeve is equipped with along perpendicular to the first rectangular cylinder (11) short transverse on first rectangular cylinder (11) The first support plate (72) being arranged offers the 5th square matched with the first rectangular cylinder (11) on first support plate (72) Shape hole (73), first rectangular cylinder (11) do not open up two lateral walls with teeth and are snug fit at the 5th square corresponding thereto The two lateral walls in shape hole (73), the 5th rectangular opening of first rectangular cylinder (11) with one side wall with teeth and corresponding thereto (73) it is equipped between one side wall and is rotationally connected with the 9th axis (74) of the 5th rectangular opening (73) width direction two sidewalls, the described 9th Axially spaced-apart covers two the 7th gears (75) being inherently meshed with third tooth (71), the first rectangular cylinder (11) band on axis (74) The 5th rectangular opening (73) width side between the one side wall of another side wall and the 5th rectangular opening (73) corresponding thereto with teeth It is offered on two sidewalls along the strip grooves (76) extended perpendicular to the first rectangular cylinder (11) short transverse, further includes being slidably matched Be connected between the third U-bracket (77) in two strip grooves (76), (77) two cantilever of third U-bracket along perpendicular to First rectangular cylinder (11) short transverse extend the tenth axis (78) and the tenth axis (78) on axially spaced-apart set inherently with third tooth (71) linking arm of the two third ratchets (79) engaged, the third U-bracket (77) is opened away from the tenth axis (78) side Equipped with not penetrating 6th circular hole (80), first support plate (72) is along its length direction close to third ratchet (79) cross It offers and is matched with the 6th circular hole (80) and the 4th penetrating threaded hole (81) to one end, is matched in the 4th threaded hole (81) Conjunction has third bolt (82) and third bolt (82) bottom end is rotationally connected in the 6th circular hole (80), first rectangular cylinder (11) Bottom end is equipped with the 5th thin plate (83) for being parallel to the first rectangular cylinder (11) bottom wall.

2. automobile specified according to claim 1 assembles jack, which is characterized in that the locking device includes being set to Vertically extending and impermeable second rectangular opening (21) in first square hole (8) inner bottom wall, it is sliding in second rectangular opening (21) It is dynamic to be combined with the first thin plate (22), two are arranged at intervals between the first thin plate (22) lower end and the second rectangular opening (21) bottom wall First spring (23) and the first spring (23) one end are fixed on the second rectangular opening (21) bottom wall other end and are fixed on the first thin plate (22) lower end, the first thin plate (22) upper end offer the first inclination angle (24) away from the first screw rod (7) side, the L shape bar (9) the second inclination angle (25) matched with the first inclination angle (24), the L shape bar are offered towards the first thin plate (22) side lower end (9) for offering towards the second rectangular opening (21) one side wall and matching with the first thin plate (22) is placed in the first square hole (8) Six rectangular openings (85).

3. automobile specified according to claim 2 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) below third rectangular opening (26), the third rectangular opening (26) with Second rectangular opening (21) connection, the first thin plate (22) lower end be connected with along be parallel to jack (1) upper bed-plate and opposite to each other in The second thin plate (27) that first screw rod (7) direction extends, second thin plate (27) is through third rectangular opening (26) protruding circle Cylindricality comes directly towards (5).

4. automobile specified according to claim 1 assembles jack, which is characterized in that the jack (1) includes the first U It is equipped at intervals between shape pedestal (28) and two inner sidewalls at the intermediate position of the first U-shaped pedestal (28) and is rotationally connected with the first U-shaped bottom The second axis (29) on (28) two inner sidewalls of seat, covers intrinsic first gear (30) and two second axis (29) on second axis (29) On first gear (30) intermeshing, the second axis (29) axial ends covers intrinsic two first support arm (31) respectively, two The first support arm (31) on second axis (29) constitutes V-shaped rest, mutually matched two first support arm (31) it is another End is rotationally connected with the axial ends of third axis (32) respectively, and the intermediate position of the two third axis (32) is also connected with along vertical The first rectangular block (33) directly extended in third axis (32) length direction, first rectangular block (33) and the first support arm (31) Between third axis (32) on be also rotatably connected to the second support arm (34), it is solid between mutually matched two second support arm (34) Surely there is the 4th axis (36), cover intrinsic second gear (37) on the 4th axis (36) between mutually matched two second support arm (34) And two the 4th second gear (37) intermeshings on axis (36), it further include being fixed on the opening of lifting platform (2) lower end backwards Second U-shaped pedestal (35) of lifting platform (2), the both ends of the 4th axis (36) are pierced by the second support arm (34) and are rotatably connected on On two cantilevers of the second U-shaped pedestal (35), the second penetrating circle is offered on two first rectangular block (33) opposite end surfaces Hole (38), one of them second circular hole (38) is interior to be rotatably connected to the second screw rod (39), and another second circular hole (38) inner sleeve is intrinsic First cylindrical tube (40) and the first cylindrical tube (40) inner wall open at one end is offered to be matched with the second screw rod (39) Threaded line, second screw rod (39) do not cooperate protruding second circular hole (38) in one end with the first cylindrical tube (40).

5. automobile specified according to claim 4 assembles jack, which is characterized in that described to be rotatably connected to the second screw rod (39) the first rectangular block (33) is fixedly connected with the first rectangular cavities (41) away from (40) one end face of the first cylindrical tube, described First rectangular cavities (41) offer the third circular hole matched with the second circular hole (38) with the first rectangular block (33) connecting portion (42), second screw rod (39) is not with protruding second circular hole (38) in the first cylindrical tube (40) cooperation one end and through third Circular hole (42) is rotationally connected on the side wall of the first rectangular cavities (41) separate first rectangular block (33) one end, second screw rod (39) it is placed in the intrinsic third gear (43) of the first rectangular cavities (41) inner part set and third gear (43) is engaged with the 4th gear (44), the 4th gear (44) set is fixed on the 5th axis (45) being rotatably connected in the first rectangular cavities (41) and the 4th tooth Intrinsic 5th gear (46) of (44) coaxial sleeve is taken turns, the 5th gear (46) is engaged with the 6th gear (47) and the 6th gear (47) It is fixed on the 6th axis (48) being rotationally connected in the first rectangular cavities (41), the 6th axis (48) passes outwards through the first square Shape cavity (41) is far from the first rectangular block (33) one side wall and its extension end is equipped with the second cylindrical tube (49) open at one end, institute It states the second cylindrical tube (49) outer wall circumferential direction both ends and offers corresponding 4th circular hole (50).

6. automobile specified according to claim 4 assembles jack, which is characterized in that jack (1) lifting platform (2) it is fixed on second U-shaped pedestal (35) upper surface, lifting platform (2) lower end surface is along second 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 second U-shaped Second cylindrical bar (51) of pedestal (35) width direction two sides lower end surface and the second cylindrical bar (51) lower end are equipped with the first circle Shape baffle (52), the second cylindrical bar (51) being placed between the lifting platform (2) lower end surface and the first circular baffle plate (52) On be rotatably connected to third U-shaped pedestal (53), third U-shaped pedestal (53) the bottom wall upper and lower ends contact at lifting platform respectively (2) it and the first circular baffle plate (52) and is rotatably assorted in lifting platform (2) and the first circular baffle plate (52), third U-shaped bottom It is fixedly connected on the 7th axis (54) and the 7th axis (54) between (53) two cantilevers of seat and is rotatably connected to the first rectangular body rod (55), The first rectangular body rod (55) is equipped with long along the first rectangular body rod (55) far from the one side wall of third U-shaped pedestal (53) one end Multiple second teeth (56) of direction arrangement are spent, the first rectangular body rod (55) is slidably connected in the second rectangular cylinder (57), institute The second rectangular cylinder (57) are stated close to third U-shaped pedestal (53) one end and the width direction two of one side wall corresponding with the second tooth (56) End is respectively equipped with along two second arc panels (58) extended perpendicular to the second rectangular cylinder (57) length direction, is placed in two second arcs It is offered penetrating third square hole (59) in the second rectangular cylinder (57) one side wall between plate (58), two second arc panels (58) it is equipped with the second ratchet (60) matched with the second tooth (56) between and the second ratchet (60) set is fixed in the 8th On axis (61), offers and be slidably matched with the 8th axis (61) and along perpendicular to the 8th axis (61) on two second arc panels (58) The 4th rectangular opening (62) that length direction extends, the 8th axis (61) axial ends are outside through two the 4th rectangular openings (62) respectively It stretches out the second arc panel (58) and its stretching both ends is rotationally connected with interval respectively and is set on the second rectangular cylinder (57) outer wall On second U-bracket (63), second U-bracket (63) be parallel to position among the 8th axis (61) side offer it is penetrating It is combined with the second bolt (65) in third threaded hole (64) and third threaded hole (64), second rectangular cylinder (57) is towards third The 5th circular hole (66) matched with third threaded hole (64) and the second bolt (65) are offered in the one side wall of threaded hole (64) Bottom end is rotationally connected in the 5th circular hole (66), and the longitudinal two sidewalls for being located at the first U-shaped pedestal (28) bottom end, which are equipped with, puts down In the first U-shaped pedestal (28) and along two third thin plates (67) of opposite direction extension, third thin plate (67) upper surface is set row Have and is rotatably connected to the 4th thin plate (69) on vertically extending third cylindrical bar (68) and third cylindrical bar (68), described Four thin plates (69) are equipped with spindle housing (70) far from third cylindrical bar (68) one end upper surface and the second rectangular cylinder (57) bottom end turns It is dynamic to be connected on spindle housing (70).

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