CN202116237U

CN202116237U - Detachable air bag jack for vehicle

Info

Publication number: CN202116237U
Application number: CN2011201635329U
Authority: CN
Inventors: 田启宏; 鲁超
Original assignee: ANHUI ZHONGHANG INVESTMENT DEVELOPMENT Co Ltd
Current assignee: ANHUI ZHONGHANG GROUP CO., LTD.
Priority date: 2011-05-21
Filing date: 2011-05-21
Publication date: 2012-01-18
Anticipated expiration: 2021-05-21

Abstract

The utility model relates to a detachable air bag jack for a vehicle, which belongs to jacks and is characterized in that the air bag jack mainly comprises a sleeved type piston rod, an air bag, a chassis, a handle and an air valve. The sleeved type piston rod is mainly formed by sequentially sleeving all piston rods in a contained manner from bottom to top and preferably formed by sequentially sleeving five piston rods from bottom to top, a T-shaped disk top cover is screwed into a central inner screw hole of the piston rod V, an antislip pad is mounted on the disk top cover, a disk-shaped base is screwed on the piston rod I and mounted on the chassis, the vertically folded air bag is sleeved on the peripheries of the piston rods I, II, III, IV and V, the upper end and the lower end of the air bag are correspondingly mounted on the disk top cover and the base respectively in a pressed manner by an upper flange plate, a lower flange plate and countersunk bolts, a handle socket sleeve is mounted on the chassis, the handle is inserted into the handle socket sleeve, and the air valve is fixedly mounted on the handle. An automobile is jacked rapidly and safely by the air bag, and the air bag jack is small in size, light in weight and convenient to be carried on the vehicle.

Description

Automobile-used detachable air bag jack

Technical field

The utility model belongs to jack, especially relates to a kind of automobile-used jack.

Background technology

Automobile has become people's widely used transport facility, in case but the automobile et out of order, when needing the jacking maintenance, like changing of tire; Normally used is the hand-hydraulic jack, and the jacking automobile leans on manual operation entirely, and not only labour intensity is bigger, and jacking speed is slow; Safety is relatively poor, and also useful for this reason lifting machine comes the lifting automobile, but the lifting machine uses at motor transport repair shop usually; And one-time investment is bigger, and the big Heavy Weight of volume uses in also being inappropriate for the field and going on the way.

Summary of the invention

The purpose of the utility model provides a kind of automobile-used detachable air bag jack, is used in middle roadlice widely, especially possesses the automobile of air compressor; Not only easy to use, not only soon but also safety, labour intensity was low for the jacking automobile; And volume is little, and is in light weight, is convenient to carry with car.

The purpose of the utility model realizes like this: a kind of automobile-used detachable air bag jack is characterized in that:

This automobile-used detachable air bag jack mainly is made up of sleeve type piston rod, air bag, chassis, handle and air valve; This sleeve type piston rod mainly contains the ground suit from bottom to top successively by each piston rod and forms; This sleeve type piston rod again with five the joint piston rods from bottom to top successively suit be good; The sleeve type piston rod of being formed in the face of five joint piston rod suits down is further described: this sleeve type piston rod is formed by piston rod I, piston rod II, piston rod III, piston rod IV and piston rod V suit from bottom to top successively, and this piston rod I, II, III, IV are the columniform cylindrical shell bar of cavity, and the piston rod V is the cylinder that has the center negative thread in the epimere inner chamber; Convex shoulder outside the bottom of piston rod I, II, III, IV, V periphery all has; And have outside thread on the outer convex shoulder of piston rod I, the inner chamber of piston rod I, II, III, IV all is that the little and middle hypomere diameter of epimere diameter is big and form the step inner stopper, and the piston rod II is sleeved in the inner chamber of piston rod I; The epimere internal diameter of the periphery of piston rod II and piston rod I is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod II and piston rod I is free-running fit, and when the piston rod II was up, the step inner stopper in the outer convex shoulder of piston rod II and the piston rod I inner chamber is low leaning on and spacing mutually; When the descending contraction of piston rod II puts in place; On the base of piston rod I, the piston rod III is sleeved in the inner chamber of piston rod II with regard to support, and the epimere internal diameter of the periphery of piston rod III and piston rod II is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod III and piston rod II is free-running fit; When the piston rod III was up, the step inner stopper in the outer convex shoulder of piston rod III and the piston rod II inner chamber is low mutually to be leaned on and spacing, and the piston rod IV is sleeved in the inner chamber of piston rod III; The epimere internal diameter of the periphery of piston rod IV and piston rod III is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod IV and piston rod III is free-running fit, and when the piston rod IV was up, the step inner stopper in the outer convex shoulder of piston rod IV and the piston rod III inner chamber is low leaning on and spacing mutually; The piston rod V is sleeved in the inner chamber of piston rod IV; The epimere internal diameter of the periphery of piston rod V and piston rod IV is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod V and piston rod IV is free-running fit; When the piston rod V was up, the step inner stopper in the outer convex shoulder of piston rod V and the piston rod IV inner chamber is low leaning on and spacing mutually; In addition; Offer annular groove and equal corresponding setting-in shaft block ring respectively in the top ends of piston rod III and piston rod IV periphery; And accordingly in piston rod II and piston rod III the week top ends offer seam on the annular respectively; So that spacing during the descending contraction of piston rod III and piston rod IV, the T-shaped disk top cover of spinning in the inner bolt hole of the center of piston rod V is offered center screw and spinning countersunk-heat bolt or socket bolt fixed installation slipmat again on this disk top cover; This slipmat can be rubber pad, and circumference uniform distribution is offered countersunk head through hole on the step on this disk top cover; Spinning disc-shaped base on the outside thread outside the piston rod I on the convex shoulder; Promptly offer the tapped center circle concave groove of circumference on the top of this disc-shaped base; With with the outer convex shoulder of piston rod I on outside thread spinning mutually, and have cylindrical boss at the center of this circular concave groove, the bottom of piston rod I with regard to support on the bottom surface of this base circular concave groove; The center blind screwhole is offered corresponding to the position of boss in bottom at base; And in the bottom of this base circumference uniform distribution is upwards offered countersunk head through hole under the step, simultaneously on the right front periphery of this base, offer the radial hole that communicates with the circular concave groove, and offer the vertical core that communicates with circular concave groove part again in the left part of this radial hole; And on the right-hand member section of this radial hole, have negative thread, spinning air inlet pipe joint on the negative thread of radial hole; Periphery suit in piston rod I, II, III, IV, V is folding up and down air bag; This air bag can be the pressure-resistant rubber air bag; The upper end section of this air bag is fitted on the bottom surface of disk top cover with upper flange plate and countersunk-heat bolt or socket bolt; This upper flange plate is an annular element, is offering the installation screw corresponding to the position circumference uniform distribution of countersunk head through hole on the disk top cover on the upper flange plate, and the spill annular groove of inside circumference band cambered surface ring boss is offered on the inboard top of this external upper flange plate; The upper end section of air bag is to turn up is inlaid in foldedly in the hollow toroid groove on this upper flange plate; On this disk top cover, install countersunk-heat bolt or socket bolt correspondence in the countersunk head through hole and be screwed in the installation screw on the upper flange plate, after tightening, the upper end section of air bag is pressed on the bottom surface of disk top cover; Equally, the lower end section of this air bag is fitted on the last plane of base with lower flange and countersunk-heat bolt or socket bolt; This lower flange is an annular element; Offering the installation screw corresponding to the position circumference uniform distribution of the following countersunk head through hole on the base on the lower flange; The spill annular groove of inside circumference band cambered surface ring boss is offered in the inboard bottom of this external lower flange; The lower end section of air bag is to turn up is inlaid in foldedly in the spill annular groove on this lower flange; In the following countersunk head through hole of this base, install countersunk-heat bolt or socket bolt correspondence and be screwed in the installation screw on the lower flange, after tightening, the lower end section of air bag is pressed on the last plane of base; Each of this external this air bag be the explosion-proof steel ring of the equal suit in folding part up and down, and (before the air bag unaerated, putting) increases the safety of air bag on the one hand, increases the bearing capacity of air bag bearing surface on the other hand; The base of this air bag jack is installed on the chassis; This chassis can be rectangle or disc; On the chassis, offer central through hole; Spinning tie bolt and being screwed in the center blind screwhole on the base in the heart through hole hereinto, and tighten fixingly, be uniformly distributed with in the bottom on this chassis cardan wheel or projective table type leg are installed; In the bottom on this chassis three cardan wheels to be installed is good, is the cardan wheel in left side and two the cardan wheel settings in right side; On the right surface on chassis with bolt handle installation cover for seat; This handle cover for seat mainly is made up of base plate, handle adapter sleeve, spring, spring socket sleeve, plug screw, handle, connection inserted link and wire drawing; This rectangular base plate is fixed by bolts on the right surface on chassis; Be the left and right sides Xiang Di handle adapter sleeve that is welded at the middle part of base plate; On the stage casing of handle adapter sleeve top jacket wall, offer the big and little step round tube hole of lower diameter of upper diameter, the drum shape spring socket sleeve that in the big stepped hole of handle adapter sleeve diameter, vertically is welded is offered the plug screw of negative thread and corresponding spinning band central through hole on week in the top of this spring socket sleeve; And offer central blind hole as the upper spring seat hole in the bottom of this plug screw; In the central through hole of plug screw, installing upper end system has the wire drawing of draw ring, the bottom of this spring socket sleeve offer with the handle adapter sleeve on small diameter bore with the through hole of diameter and coaxial line of centers, on the spring socket sleeve inner bottom surface, place and connect inserted link; This middle part that connects inserted link is the little cylinder of disc upper and lower difference diameter; And make the cylinder that connects the inserted link bottom pass in through hole on the coaxial spring socket sleeve bottom surface stretches into the handle adapter sleeve with the small diameter bore on the handle adapter sleeve the inner chamber and can slide up and down, and the lower end section of the lower cylindrical body of this connection inserted link is hemisphere face, between the disc of connection inserted link and the upper spring seat hole bottom the plug screw, spring is set; And the centre that makes the upper cylinder that connects inserted link be positioned at spring plays the role of positioning; On this connects the upper cylinder of inserted link, offer radial direction through hole to connect the lower end section of wire drawing, in the handle adapter sleeve, offer the handle that put on the right side of connecting bore radially on the plug-in mounting left end section, this handle can be tubular handle; And make connect inserted link with in the corresponding radially connecting bore that inserts on the handle of hemispherical lower end section with spacing; As long as go up La Lasi, make to connect that inserted link overcomes the effect of spring and up to break away from handle, just can pull down handle easily; On handle, air valve is installed with bolt; This air valve mainly is made up of valve seat, air inlet ball valve, venting ball valve, freeing pipe joint (connecing sebific duct) and safety valve; This valve body is cuboid, be and offer crisscross vertically (about to) blind hole air flue and horizontal (front and back to) through hole air flue at valve inner, and vertically the left port of blind hole air flue is used the plug shutoff; The front portion of this external valve body is positioned at the left and right sides of cross through hole air flue and offers left air flue and the right air flue that communicates with vertical blind hole air flue respectively; Spinning air inlet ball valve on the front port of cross through hole air flue, the external source of the gas of this air inlet ball valve (air compressor) is with the handle anti-clockwise rotation 90 on the air inlet ball valve ^oJust can make the middle circular hole of ball valve connect source of the gas; Spinning freeing pipe joint on the rear port of cross through hole air flue, the blended rubber pipe is connected with air inlet pipe joint on the base, and this sebific duct can be installed in the tubular handle part; Spinning safety valve on the interface of left air flue; The pore in the logical external world of safety valve at ordinary times in the safe pressure scope of setting up, but seal up by the depression bar head of nut that has pressure regulation and suit adjustable in pressure spring, when pressure surpasses; Pore will be washed open by over-pressure gas, and over-pressure gas is discharged; Spinning venting ball valve on the interface of right air flue, this venting ball valve principle of work is identical with the air inlet ball valve, is in closed condition when just the air bag jack uses.

During use, the automobile-used detachable air bag jack that has assembled is pushed to the position that automobile needs jacking with handle, has propped up universal rolling wheel with the triangle voussoir; Open the air inlet ball valve, let the compressed gas in the gas bag get in the air bag inner chamber, along with the expansion of air bag raises through sebific duct; Each saves piston rod and also increases, and does the action of jacking automobile, after the automobile jacking puts in place; Close the air inlet ball valve, repairman or driver just can carry out maintenance activity, after operation finishes; Open venting ball valve, bleed off the gas in the air bag, each saves piston rod and shrinks falling; Drag handle this automobile-used detachable air bag jack is pulled out, chassis, handle, sebific duct are pulled down, just can carry with car easily.

The automobile-used detachable air bag jack that the utility model proposed, rational in infrastructure, easy to use, not only soon but also safety, labour intensity was low, and volume is little, and was in light weight, is convenient to carry with car for the jacking automobile.

Combine accompanying drawing and embodiment that the automobile-used detachable air bag jack that the utility model proposed is further described at present.

Description of drawings

Fig. 1 is the main cross-sectional schematic of the automobile-used detachable air bag jack that proposes of the utility model.

Fig. 2 is an A enlarged diagram among Fig. 1.

Fig. 3 is a B enlarged diagram among Fig. 1.

Fig. 4 is a C enlarged diagram among Fig. 1.

Fig. 5 is the enlarged diagram of part 24 among Fig. 1, handle cover for seat.

Fig. 6 is the schematic top plan view of part 21, base among Fig. 1.

Fig. 7 is the enlarged diagram of

part

15,16,17,18,19 among Fig. 1.

Among Fig. 1-Fig. 7:

1; Air bag 2; Steel ring 3; Countersunk-heat bolt 4; Socket bolt 5; Slipmat 6; Shaft block ring 7; Air valve 8; Disk top cover 9; Upper flange plate 10; Piston rod V 11; Piston rod IV 12; Piston rod III 13; Piston rod II 14; Piston rod I 15; Air inlet ball valve 16; Venting ball valve 17; Safety valve 18; Valve seat 19; Freeing pipe joint 20; Handle 21; Base 22; Chassis 23; Tie bolt 24; Handle cover for seat 25; Air inlet pipe joint 26; Cardan wheel 27; Sebific duct 28; Base plate 29; Handle adapter sleeve 30; Wire drawing 31; Plug screw 32; Draw ring 33; Spring 34; Spring socket sleeve 35; Connect inserted link.

The specific embodiment

Figure 1 - It can be seen in Figure 7: a vehicle airbag removable jacks, characterized in that: the car jack is mainly used by the removable balloon-mounted rod, the airbag 1, the chassis 22, the handle 20 and the valve 7 composed mainly by the package type piston rod from bottom to top all inclusive land package together, the package type piston rod Youyi five better suit from bottom to top, the following packages for five rod Set consisting of piston rod further clarification: The kit piston rod from bottom to top by the piston rod Ⅰ 14, the piston rod Ⅱ 13, piston rod Ⅲ 12, piston rod and rod Ⅴ 10 Ⅳ 11 packages from the piston rod Ⅰ, Ⅱ, Ⅲ, Ⅳ 14,13,12,11 are hollow cylindrical cylinder rod, and piston rod Ⅴ 10 for the upper section with a central cavity within the threaded cylinder, the piston rod Ⅰ, Ⅱ, Ⅲ, Ⅳ ,

Ⅴ

14,13,12,11,10 lower end portion of the outer periphery of all with convex shoulder, and the convex rod Ⅰ 14 shoulders with an external thread, rod Ⅰ, Ⅱ, Ⅲ, Ⅳ 14,13,12,11 The cavity are upper small diameter in the lower large diameter to form a stepped inner rabbet, rod Ⅱ 13 packages, the piston rod Ⅰ 14 of the cavity, the piston rod Ⅱ 13 of the outer periphery of the piston rod Ⅰ 14 on the inner diameter in sliding fit, The convex shoulder of the piston rod Ⅱ 13 and the piston rod Ⅰ 14 were in the lower segment diameter clearance fit, when the piston rod Ⅱ 13 on the line, the convex shoulder rod Ⅱ 13 and the piston rod Ⅰ 14 within the lumen of the stepped phase ended lower by mouth the stopper, when the piston rod in place Ⅱ 13 shrink down on the piston rod Ⅰ 14 resting on the base 21, the piston rod of the piston rod Ⅲ 12 packages the lumen Ⅱ 13, Ⅲ 12 outer periphery of the piston rod of the piston rod diameter of the upper section Ⅱ 13 was sliding fit, while the convex shoulder rod Ⅲ 12 Ⅱ 13 with the piston rod diameter of the middle and lower segments showed a clearance fit, when the piston rod Ⅲ 12 on the line, rod Ⅲ 12 of the outer flange and the piston rod Ⅱ 13 within the lumen of the stepped ended port with reliable and low limit, the piston rod of the piston rod Ⅳ 11 packages the lumen Ⅲ 12, Ⅳ 11 the outer periphery of the piston rod and the piston rod diameter of the upper stage Ⅲ 12 in sliding fit, and the convex shoulder rod Ⅳ 11 Ⅲ 12 of the piston rod in diameter was lower clearance fit on the line when the piston rod Ⅳ 11, Ⅳ 11 of the piston rod and the piston rod Ⅲ 12 convex shoulder of the stepped bore spigot relative low within the limit by; rod Ⅴ 10 packages Ⅳ 11 of the piston rod cavity, the piston rod Ⅴ 10 of the outer periphery of the piston rod Ⅳ 11 on the inner diameter in sliding fit, while the piston rod Ⅴ 10 the outer flange of the piston rod Ⅳ 11 in the lower section of diameter was gap with the piston rod Ⅴ 10 on the line, the piston rod Ⅴ 10 The convex shoulder with the piston rod Ⅳ 11 stepped inside the lumen of the spigot by the relative low limit; addition, the piston rod and piston Ⅳ 11 Ⅲ 12 of the top portion of the outer peripheral ring groove and are not open corresponding fitted shaft gear ring 6, which corresponds to the piston rod Ⅱ 13 and the piston rod Ⅲ 12 inner periphery of the top portions of the open ring on the spigot so that the piston rod Ⅲ 12 and the piston rod Ⅳ 11 downstream contraction time position, the piston rod Ⅴ 10 of the center screw in the spin T-shaped disc cover 8, this will also open the disc cover 8 on the center screw and spin countersunk head bolts or hex bolts 4 5 fixed installation mat, the mat 5 for rubber mats, in This disc cover eight circumferentially uniform on opening stepped on counterbored through holes; convex piston rod Ⅰ 14 external thread on the shoulders of the spin disc-shaped base 21, that is, in the upper part of the disc-shaped base 21 opening with internal thread to the center of the circumferential circular concave groove, the piston rod Ⅰ 14 with the external threads of the convex shoulder spin, and in the center of the circular concave grooves with a cylindrical boss and, on the bottom of the piston rod supporting Ⅰ 14 In this base 21 circular concave groove bottom surface, the bottom 21 of the base station corresponding to the convex parts of the blind holes open center, and in the bottom of this base 21 upwardly to open the uniform circumferential stepped through holes sunk head, while the This base 21 opened on the right front peripheral groove communicating with the circular concave radial holes, and a left end portion of this radial hole and opening communicating with the circular concave groove of the vertical hole partially, and in the right end of the segment radial hole with with internal thread, internal thread in the radial hole spin put on the pipe joints 25; piston rod Ⅰ, Ⅱ, Ⅲ, Ⅳ,

Ⅴ

14,13,12,11,10 suit goes under the outer periphery of the folded airbag 1, the airbag 1 can withstand rubber balloon, the upper section of the airbag 1 spend flange 9 and the countersunk screws hexagon bolt 3 or pressed onto the bottom surface of the disc cover 8, the upper annular flange 9 parts, the upper flange 9 on the disc cover 8 corresponds to the upper parts of countersunk hole uniform circumferential opening mounting holes, in addition to the flange 9 on the upper part of the inside of the inner periphery with cambered ring opening concave ring groove boss, the airbag 1 is folded to an upper end segment in the valgus fitted on this flange 9 on the concave annular groove in the cover 8 on the disc through the hole on counterbored mounted countersunk hex bolts or bolt 3 is screwed into the corresponding flange on the mounting screw holes 9, after tightening, the upper section of the airbag 1 is pressed against the bottom surface of the disc cover 8, the same, the airbag 1 The lower end of the segment with the lower flange and countersunk head bolts 3 or hex bolts pressure mounted on the base 21 of the upper plane; the lower flange of the annular member, the lower flange corresponds to the base 21 of the sinking head part of the circumference of the through hole mounting holes open fabric, in addition to the inside of the lower flange of the inner periphery of the lower opening projections with a concave arc ring ring groove, the lower end of the airbag 1 folded segment in valgus fitted in this manner concave on the lower flange ring groove, in which the base 21 of the sink hole to wear head mounted countersunk head bolts 3 or hex bolts screwed into the corresponding lower flange screw holes on the mounting, tightened, The lower end section of the airbag 1 is pressed against the upper surface of the base 21; in addition to the bottom of this folded portion of the airbag 1 are proof packages rims 2, (before inflating the airbag 1 is not put on), on the one hand increases the safety of the airbag 1 resistance, while increasing the surface of the airbag 1 by the ability of the pressure force; jack base of the airbag 21 is mounted on the chassis 22, the chassis 22 may be rectangular or disc-shaped, the chassis 22 is provided with a central through hole, the This center hole in the spin connection bolts 23 and screwed into the base 21 to the center of the blind screw holes and fasten on this chassis 22 at the bottom of the uniform mounting casters 26 or convex desktop feet; to this chassis 22 at the bottom preferably three caster installation, showing a caster 26 on the left and the right two caster 26 is provided; right surface of the chassis 22 with screws on the handle seat cover 24, the handle 24 mainly COVER from the floor 28, the handle connecting sleeve 29, the spring 33, the spring seat cover 34, plug 31, a handle 20, connecting rod 35 and the drawing plug 30 composed of the rectangular plate 28 is bolted to the chassis 22 on the right surface of the base plate 28 was about the middle of the handle connecting sleeve 29 circumferentially welding, the upper part of the handle connected sets 29 sets opened on the wall in the middle of the upper and the lower large diameter stepped tact small diameter holes in the handle connecting sleeve 29 having a large diameter hole in the stairs vertical welding drum-shaped spring seat cover 34, the upper portion of the spring seat cover 34 opened on the inner periphery and the corresponding internal thread spin plug with a central through hole 31 and plug 31 in the bottom of this central blind opening as the upper spring seat bore holes in the plug 31 of the central through hole in the upper line reeved with pull ring 32 of the drawing 30, the spring in the seat cover 34 connected to the bottom opening of the handle sleeve 29 with the small-diameter hole diameter and coaxial to the center line of the through holes in the inner bottom surface of the spring seat cover 34 placed connecting rod 35 is inserted, the connection rod 35 inserted in the middle of the disk body and the upper and lower small-diameter cylinder, respectively, and to insert connecting rod the lower cylinder 35 through the spring seat cover 34 coaxial through-hole and the bottom surface of the handle connecting sleeve 29 and the small-diameter hole 29 extends into the lumen of the handle connected to the sleeve and slide up and down, and the connection plug cylinder rod 35 the lower end of the lower section is hemispherical, the connecting rod 35 of the disc insert plug body and the spring seat 31 in the bottom of a spring 33 between the holes, and to connect the upper part of the cylinder rod 35 inserted in the spring 33 positioned in the middle of play role in this connection plunger 35 is opened on the upper cylinder radial through-hole to connect the lower end segment drawing 30, the handle connecting sleeve 29 is inserted in the opening segment of the left radial mounted attachment holes in the right position The handle 20, the handle 20 may be a tube-shaped handle, and to insert rod 35 connected with the lower hemispherical section 20 corresponds to the radial insertion handle connection hole to limit, as long as the Lala Si 30, the connection plug rod 35 to overcome the action of spring 33 to disengage the handle 20 upward, handle 20 can be easily removed; the handle 20 with screws valve 7, the valve 7 is mainly composed of the valve seat 18, the intake valve 15, exhaust valve 16, the pipe joints 19 (hose connection) and safety valve 17 composition, the valve 7 was rectangular in cross-shaped body 7 to set up an internal longitudinal (left-right) and lateral blind bore airway (forward and backward ) via the airways and airway longitudinal blind hole left port with plug closure, in addition to the front of the valve body 7 through holes in the lateral left and right side respectively airway open airway and vertical blind hole left interlinked gas Tao and right airway, airway through-hole transverse spin put on the interface front air valve 15, the inlet valve 15 external gas source (air compressor), the intake valve 15 is rotated 90 on the handle to the left ...^oJust can make the middle circular hole of ball valve connect source of the gas, spinning escape pipe joint 19 on the rear port of cross through hole air flue, and with sebific duct 27, with the air inlet pipe joint 25 on base 21, be connected, this sebific duct 27 can be installed in tubular handle 20 part, spinning safety valve 17 on the interface of left air flue, the pore in the logical external world of safety valve 17 is at ordinary times in the safe pressure scope of setting up, depression bar head by the nut with pressure-adjustable and suit pressure adjustable spring is sealed up, when pressure surpasses, pore will be washed open by superpressure gas, and superpressure gas is discharged; Spinning exhaust ball valve 16 on the interface of right air flue, these exhaust ball valve 16 operation principles are identical with air inlet ball valve, are in closed condition when just air bag jack uses.

During use, the automobile-used detachable air bag jack that has assembled is pushed to the position that automobile needs jacking with handle 20, has propped up cardan wheel 26 with the triangle voussoir; Open air inlet ball valve 15, let the compressed gas in the gas bag get in air bag 1 inner chamber, along with the expansion of air bag 1 raises through sebific duct; Each saves piston rod and also increases, and does the action of jacking automobile, after the automobile jacking puts in place; Close air inlet ball valve 15, repairman or driver just can carry out maintenance activity, after operation finishes; Open venting ball valve 16, bleed off the gas in the air bag 1, each saves piston rod and shrinks falling; Drag handle 20 this automobile-used detachable air bag jack is pulled out, chassis 22, handle 20, sebific duct 27 are pulled down, just can carry with car easily.

Claims

1. automobile-used detachable air bag jack is characterized in that:

A, this automobile-used detachable air bag jack mainly are made up of sleeve type piston rod, air bag (1), chassis (22), handle (20) and air valve (7); This sleeve type piston rod mainly contains the ground suit from bottom to top successively by each piston rod and forms; This sleeve type piston rod is formed by piston rod I (14), piston rod II (13), piston rod III (12), piston rod IV (11) and piston rod V (10) suit from bottom to top successively; This piston rod I, II, III, IV (14,13,12,11) are the columniform cylindrical shell bar of cavity; And piston rod V (10) is for having the cylinder of center negative thread in the epimere inner chamber; Convex shoulder outside the bottom of piston rod I, II, III, IV, V (14,13,12,11,10) periphery all has; And have outside thread on the outer convex shoulder of piston rod I (14); The inner chamber of piston rod I, II, III, IV (14,13,12,11) all is that the little and middle hypomere diameter of epimere diameter is big and form the step inner stopper; Piston rod II (13) is sleeved in the inner chamber of piston rod I (14); The epimere internal diameter of the periphery of piston rod II (13) and piston rod I (14) is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod II (13) and piston rod I (14) is free-running fit, and piston rod III (12) is sleeved in the inner chamber of piston rod II (13), and the epimere internal diameter of the periphery of piston rod III (12) and piston rod II (13) is bearing fit; And the middle hypomere internal diameter of the outer convex shoulder of piston rod III (12) and piston rod II (13) is free-running fit; Piston rod IV (11) is sleeved in the inner chamber of piston rod III (12), and the epimere internal diameter of the periphery of piston rod IV (11) and piston rod III (12) is bearing fit, and the middle hypomere internal diameter of the outer convex shoulder of piston rod IV (11) and piston rod III (12) is free-running fit; Piston rod V (10) is sleeved in the inner chamber of piston rod IV (11); The epimere internal diameter of the periphery of piston rod V (10) and piston rod IV (11) is bearing fit, and the middle hypomere internal diameter of the outer convex shoulder of piston rod V (10) and piston rod IV (11) is free-running fit, offers annular groove and equal corresponding setting-in shaft block ring (6) respectively in the top ends of piston rod III (12) and piston rod IV (11) periphery; And accordingly in piston rod II (13) and piston rod III (12) top ends in week offer annular respectively and go up seam; The T-shaped disk top cover (8) of spinning in the center inner bolt hole of piston rod V (10) is offered center screw and spinning countersunk-heat bolt or socket bolt (4) fixed installation slipmat (5) again on this disk top cover (8), go up circumference uniform distribution at this disk top cover (8) and offer countersunk head through hole on the step;

Spinning disc-shaped base (21) on b, the outside thread outside piston rod I (14) on the convex shoulder; Offer the tapped center circle concave groove of circumference on the top of this disc-shaped base (21); And have cylindrical boss at the center of this circular concave groove; The center blind screwhole is offered corresponding to the position of boss in bottom at base (21); And upwards offer countersunk head through hole under the step at the bottom circumference uniform distribution of this base (21), on the right front periphery of this base (21), offer the radial hole that communicates with the circular concave groove simultaneously, and offer the vertical core that communicates with circular concave groove part again in the left part of this radial hole; And on the right-hand member section of this radial hole, have negative thread, spinning air inlet pipe joint (25) on the negative thread of radial hole;

C, be folding up and down air bag (1) at the periphery suit of piston rod I, II, III, IV, V (14,13,12,11,10); The upper end section of this air bag (1) is fitted on the bottom surface of disk top cover (8) with upper flange plate (9) and countersunk-heat bolt (3) or socket bolt; This upper flange plate (9) is an annular element; Upward offer the installation screw at upper flange plate (9) corresponding to the position circumference uniform distribution of the last countersunk head through hole on the disk top cover (8); The spill annular groove of inside circumference band cambered surface ring boss is offered on the inboard top of this external upper flange plate (9); The upper end section of air bag (1) is to turn up is inlaid in foldedly in the hollow toroid groove on this upper flange plate (9); In the last countersunk head through hole of this disk top cover (8), install countersunk-heat bolt (3) or socket bolt correspondence and be screwed in the installation screw on the upper flange plate (9), after tightening, the upper end section of air bag (1) is pressed on the bottom surface of disk top cover (8); Equally, the lower end section of this air bag (1) is fitted on the last plane of base (21) with lower flange and countersunk-heat bolt (3) or socket bolt; This lower flange is an annular element; Offering the installation screw corresponding to the position circumference uniform distribution of the following countersunk head through hole on the base (21) on the lower flange; The spill annular groove of inside circumference band cambered surface ring boss is offered in the inboard bottom of this external lower flange; The lower end section of air bag (1) is to turn up is inlaid in foldedly in the spill annular groove on this lower flange, in the following countersunk head through hole of this base (21), install countersunk-heat bolt (3) or socket bolt correspondence and be screwed in the installation screw on the lower flange, after tightening; The lower end section of air bag (1) is pressed on the last plane of base (21) the explosion-proof steel ring of the equal suit in folding part up and down (2) of this external this air bag (1);

The base of d, this air bag jack (21) is installed on the chassis (22); This chassis (22) is rectangle or disc; On chassis (22), offer central through hole; Spinning tie bolt (23) and being screwed in the center blind screwhole on the base (21) in the heart through hole hereinto, and tighten fixingly, be uniformly distributed with in the bottom of this chassis (22) cardan wheel (26) or projective table type leg are installed;

E, go up with bolt handle installation cover for seat (24) on the right surface of (22) on the chassis; This handle cover for seat (24) mainly is made up of base plate (28), handle adapter sleeve (29), spring (33), spring socket sleeve (34), plug screw (31), connection inserted link (35) and wire drawing (30); This rectangular base plate (28) is fixed by bolts on the right surface on chassis (22); Be the left and right sides Xiang Di handle adapter sleeve (29) that is welded at the middle part of base plate (28); On the stage casing of handle adapter sleeve (29) top jacket wall, offer the big and little step round tube hole of lower diameter of upper diameter; Drum shape spring socket sleeve (34) vertically is welded in the big stepped hole of handle adapter sleeve (29) diameter; In the top of this spring socket sleeve (34), offer the plug screw (31) of negative thread and corresponding spinning band central through hole on week; And offer central blind hole as the upper spring seat hole in the bottom of this plug screw (31); In the central through hole of plug screw (31), installing the upper end is the wire drawing (30) that draw ring (32) are arranged; The bottom of this spring socket sleeve (34) offer with handle adapter sleeve (29) on the hole of minor diameter with the through hole of diameter and coaxial line of centers; On spring socket sleeve (34) inner bottom surface, place to connect inserted link (35), this middle part that connects inserted link (35) is the disc upper and lower little cylinder of diameter respectively, and makes the cylinder that connects inserted link (35) bottom pass through hole and the small diameter bore on the handle adapter sleeve (29) on coaxial spring socket sleeve (34) bottom surface and stretch in the inner chamber of handle adapter sleeve (29); And the lower end section of the lower cylindrical body of this connection inserted link (35) is a hemisphere face; Between the upper spring seat hole of disc that connects inserted link (35) and plug screw (31) bottom, spring (33) is set, the upper cylinder that connects inserted link (35) is positioned at the centre of spring (33), on the upper cylinder of this connection inserted link (35), offers radial direction through hole to connect the lower end section of wire drawing (30); In handle adapter sleeve (29), offer the handle (20) that put on the right side of connecting bore radially on the plug-in mounting left end section, and make connect inserted link (35) with in the corresponding radially connecting bore that inserts on the handle (20) of hemispherical lower end section with spacing;

F, go up at handle (20) and air valve (7) to be installed with bolt; This air valve (7) mainly is made up of valve seat (18), air inlet ball valve (15), venting ball valve (16), freeing pipe joint (19) and safety valve (17); This valve body (7) is cuboid; Be in valve body (7) inside and offer vertical blind hole air flue and cross through hole air flue crisscross; And vertically the left port of blind hole air flue is used the plug shutoff, and the front portion of this external valve body (7) is positioned at the left and right sides of cross through hole air flue and offers left air flue and the right air flue that communicates with vertical blind hole air flue, spinning air inlet ball valve (15) on the front port of cross through hole air flue respectively; These air inlet ball valve 15 external sources of the gas; Spinning freeing pipe joint (19) on the rear port of cross through hole air flue, blended rubber pipe (27) is connected with the air inlet pipe joint (25) of base (21), and this sebific duct (27) part is installed in the tubular handle (20); Spinning safety valve (17) on the interface of left air flue, spinning venting ball valve (16) on the interface of right air flue.

2. automobile-used detachable air bag jack according to claim 1 is characterized in that this sleeve type piston rod suit five joint piston rods successively from bottom to top.

3. automobile-used detachable air bag jack according to claim 1 is characterized in that this slipmat (5) is rubber pad.

4. automobile-used detachable air bag jack according to claim 1 is characterized in that this air bag (1) is the pressure-resistant rubber air bag.

5. automobile-used detachable air bag jack according to claim 1 is characterized in that three cardan wheels (26) are installed in the bottom of on this chassis (22), is a left side cardan wheel (26) and two cardan wheels in right side (26) setting.

6. automobile-used detachable air bag jack according to claim 1 is characterized in that this handle (20) is tubular handle.