CN201729630U - Expander device - Google Patents
Expander device Download PDFInfo
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- CN201729630U CN201729630U CN2010202754320U CN201020275432U CN201729630U CN 201729630 U CN201729630 U CN 201729630U CN 2010202754320 U CN2010202754320 U CN 2010202754320U CN 201020275432 U CN201020275432 U CN 201020275432U CN 201729630 U CN201729630 U CN 201729630U
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- supporting mechanism
- piston rod
- block
- steady ring
- cylinder body
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Abstract
An expander device comprises a supporting mechanism and a power mechanism. The supporting mechanism is used for expanding deformed vehicles, the power mechanism is used for providing expanding power for the supporting mechanism and consists of a portable air pump and a storage battery supplying power for the air pump, the lower end of the supporting mechanism is slidably arranged in a cylinder block, an airbag is disposed between the bottom surface of the supporting mechanism and the bottom surface of the cylinder block, the air pump in the power mechanism charges air for the airbag through an air delivery pipe, the supporting mechanism comprises a supporting block used for supporting the deformed vehicles, and the supporting block is retractably arranged at the upper end of the supporting mechanism. Stroke of the expander device includes spiral transmission stroke and airbag pushing stroke, so that the expander device has larger stroke, and is small in volume, light in weight, simple in manufacturing process, convenient in installation and detachment and lower in cost, and has stable power source support.
Description
Technical field
The utility model relates to the deliverance apparatus that automobile gets into an accident and afterwards uses, and the expander that especially a kind of occupant of being used for saves oneself, this expander are mainly used in before the rescue group arrives and support the space of expanding escape for the occupant.
Background technology
Automobile is one of topmost vehicle; cause traffic accident because joy riding, the road of chaufeur is wet and slippery and the pedestrian does not observe traffic rules and regulations etc. through regular meeting in the process of moving; and seat or vehicle frame that great traffic accident makes the occupant be deformed are possibly pushed down; if the occupant can not escape at short notice in this case; the opportunity that not only can incur loss through delay treatment; even it is injured also can secondary to take place, and therefore, needs a kind of self-help apparatus of automobile when having an accident of tackling.
At present, the existing certain defective of self-help apparatus ubiquity that is used for car accedent, as a kind of air sac jack commonly used, it comprises air bag and propulsion source, is high pressure gas and by the gas feeder air feed of special use in the propulsion source, during use air bag is arranged on the vehicle frame or seat one side of distortion, make air bag expansion by propulsion source input high pressure gas, thereby the vehicle frame or the seat of automobile deformed position are backed down, make no longer pressurized of the foot of human body and health, and from car body, spin off.But, because it is very little that people's shank or health are pressed its gap, back, after the car body of distortion must being backed down enough big space the people is saved, and the stroke of this air sac jack is very little, its inflation back air-sprung height can't support enough big escape space, and its subsidiary gas feeder is too heavy, after the occupant is stuck, can't normally use these equipment, so it can not satisfy the requirement of saving oneself at all.And for example another kind of automobile self-rescue air bag, it is to be provided with air bag under car chassis, and the outlet of the admission port of air bag and the tail gas of automobile links to each other, and its principle is that to utilize the tail gas of automobile discharge that air bag is filled full, and then air bag supports automobile.But after great traffic accident took place, automobile is normal start the engine probably, and air bag just can't obtain the support of failure-free propulsion source like this, also can't realize expanding the purpose of vehicle frame, so can not reach the requirement of rescue.Also have some equipment that are used to rescue in addition, as large-scale hoisting air chamber, this air bag is to utilize the bearing surface of overlarge area to realize the lifting function, but its volume is too big, weight is very heavy again, can only be used for the large-scale steamer of lifting, building etc., and be not suitable for automotive use; Also has a kind of wrecking equipment, for solving the problem of propulsion source, it is provided with high-pressure gas bottle on automobile, by high-pressure gas bottle is airbag aeration, but safety and air-tightness after the long-time placement of this high-pressure gas bottle all can not be protected, and therefore cause accident that the effect that back equipment is difficult to reach expectation takes place, and air bag can't be fixed on the certain location in use, less stable is so this equipment can not satisfy the requirement of saving oneself after car accedent takes place.
The utility model content
At above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve the too little problem that can not expand enough big escape space that makes of supporting mechanism stroke of the self-help apparatus that is used for automobile at present, it is all too very much not easy to use further also to have solved traditional expander volume and weight, and lack the problem that propulsion source is supported, and provide the dilator device that a kind of stroke is big, volume and weight is all less and have enough propulsions source to support.
The technical solution of the utility model: a kind of dilator device, it is characterized in that, comprise that supporting mechanism that is used for the dilatating and deformable car body and the actuating unit that is used for providing expansion power to described supporting mechanism, described actuating unit are by air pump and are used for constituting to the storage battery of air pump power supply; The lower end of described supporting mechanism slidably is arranged in the cylinder body, is provided with air bag between the bottom surface of the bottom surface of supporting mechanism and cylinder body, and the air pump in the actuating unit is given airbag aeration by gas piping; Described supporting mechanism comprises the back-up block that is used for the supporting deformation car body, the telescopic upper end that is arranged at supporting mechanism of described back-up block.
Described supporting mechanism also comprises piston, and described piston slidably is arranged in the cylinder body; Be fixed with a bearing cap shim that raises up in the upper end of piston, between bearing cap shim and piston, form cavity, in described cavity, be provided with steady ring and a following steady ring on one, between last steady ring and following steady ring, be fixed with a thrust baring, described upward steady ring and bearing cap shim push against, and described steady ring down and piston push against; Piston rod stretches in the cavity after passing steady ring from the top of bearing cap shim, the lower end of piston rod and the upper surface of thrust baring push against, also be fixed with a rotating shaft in the bottom of piston rod, in rotating shaft, be with a locating piece, also be fixed with a block in the lower end of rotating shaft, described locating piece is stuck between the lower surface and block of thrust baring; The upper end of described piston rod is fixed with a synchronous pulley, runner is installed being fixed with on the cylinder body in a motor that power is provided by storage battery and the rotating shaft at motor, and described runner drives synchronous pulley and then drive piston rod rotation by belt; Described piston rod is the cylindrical structure of upper end open, and screw rod inserts in the piston rod and with piston rod thread and is connected, and the upper end of screw rod links to each other with back-up block.
Principle of work of the present utility model:
During use, earlier supporting mechanism is taken out the position that is placed on car body or seat distortion, because the size of the utility model supporting mechanism less than 11 cm, therefore can be put it in the car body slit after the distortion easily.Press motor switch then, by synchronous strap drive and worm drive the back-up block of supporting mechanism upper end and the cylinder base of supporting mechanism lower end are pushed against with the car body deformation place respectively, open air pump switch again after unclamping motor switch, at this moment air pump is given airbag aeration by gas piping, air bag will expand gradually, thereby the lifting supporting mechanism makes its upward movement strut the distortion car body; Motor drives synchronous pulley by runner and rotates, because synchronous pulley captives joint with piston rod, so also rotation synchronously of piston rod, screw rod is moved, thus can the generation upper and lower between piston rod and the screw rod to application force; Piston rod nut is subjected to downward power, but because the lower end of piston rod held by thrust shaft and prop up, so piston rod can not move down and can only rotate in situ, and screw rod is subjected to application force upwards, therefore screw rod will protrude upward, and the back-up block on driving moves.Like this, back-up block backs down the car body expansion of deformation place under the combined action power that screw rod self moves up and airbag inflation drive supporting mechanism integral body moves up.This expander that combines above two kinds of expansion patterns in use, can apply bigger application force to the car body of deformation place, the stroke of back-up block also significantly increases simultaneously, basically can reach the double distance of original stroke, can when saving oneself, provide bigger escape space for indicator of trapped personnel.
When regaining back-up block, only need close air pump switch and make the motor counter-rotating, at this moment air bag is automatic deflation, thereby supporting mechanism is descended; Simultaneously the runner of motor drives the synchronous pulley contrarotation, and piston rod is contrarotation also, and screw rod is subjected to downward power and will withdraw in the piston rod, so just makes expander be returned to the preceding state of use.Motor of the present utility model can adopt storage battery to drive, and also can drive by vehicular power-bottle, and the switch of motor can be arranged on the back-up block, convenient like this starting switch in case of emergency.
Further, the double-decker that the overcoat that liner that described air bag is made by elastomeric material and nylon cloth are made is formed also is provided with french talc between the liner of air bag and overcoat.Can prevent that by double-deck mechanism air bag from the time being broken through in work, and talcous effect is to prevent that the liner and the overcoat of air bag sticks together when folding.
Further, be provided with spherical hinge in the lower end of back-up block, described back-up block flexibly connects by spherical hinge and screw rod.After spherical hinge was set, back-up block can turn to flexibly, the stressed position of the more convenient like this upper surface with back-up block and car body over against, make that the location of supporting mechanism is more accurate when expanding, expand the demand that the personnel escape can be satisfied in the locus that.
Further, be provided with ball-bearing casing on the top of cylinder body, described synchronous pulley also is fixed with a belt wheel cover by ball-bearing casing and cylinder body normal-running fit on the top of cylinder body, and described synchronous pulley is arranged in the belt wheel cover.Can protect synchronous pulley by the belt wheel cover; prevent that synchronous pulley from being blocked by exterior object or wear and tear when rotating; in addition; ball-bearing casing not only can be played a supporting role to synchronous pulley; can also prevent synchronous pulley when rotating to the both sides run-off the straight, make synchronous pulley remain the spigot shaft coaxle with piston rod.
With respect to prior art, the utlity model has following advantage:
1, the stroke of supporting mechanism is bigger: balloon dilator of the present utility model has adopted the supporting mechanism structure combining of air bag and telescoping, can lift the supporting mechanism upward movement when air bag is filled with air, thereby vehicle frame or the seat that is out of shape backed down in the expansion that realizes supporting mechanism; Simultaneously, supporting mechanism in-to-in screw rod also can rotate under the drive of motor and stretch out, so just further prolonged the stroke of whole expander, made expander can support enough big escape space in narrow space, the help desk personnel flees from impaired car body.
2, have stable propulsion source support: the utility model adopts the battery traction air pump to be used as the propulsion source of expander, and be placed on this propulsion source in the middle of the front-row seats of automobile or below the back seat, adopt the mode in self-powered source in the car can effectively solve the problem that lacks propulsion source like this; And because storage battery and air pump are ripe equipment, can not lose efficacy for a long time because of placing, they also have multiple model simultaneously, therefore can select for use all less storage battery of volume and weight and air pump to be combined into propulsion source, thereby can control the volume and weight of propulsion source preferably, to satisfy the demand that narrow space is placed and used in car.
3, volume is little, in light weight: expander of the present utility model is considered the very little situation in gap between the descendant's that is squeezed shank or health and the vehicle frame, therefore the size and the weight of supporting mechanism have all been carried out strict restriction, simultaneously require supporting mechanism that enough big bearing capacity can be provided again, the stroke of the outputting power in working power source and supporting mechanism and own wt are accomplished coupling in working order like this, accomplish to make things convenient for people's use of saving oneself under stranded situation.
4, simple, the easy installation and removal of manufacturing process, supporting mechanism cylinder body of the present utility model and parts all adopt 45 steel seamless steel tubes of national standard, it has the advantage of welding mechanics better performances, and cylinder body and cylinder bottom and each separating component adopt the mode of welding to be connected, thereby simplified manufacture craft; Cylinder cap and cylinder body adopt bolted connection, make demolition, installation all convenient like this, have also reduced the manufacturing cost of equipment.
Description of drawings
Fig. 1 is the structure cutaway view of the utility model dilator device.
Among the figure, 1-air pump, 2-storage battery, 3-cylinder body, 4-air bag, 5-back-up block, 6-piston, 7-bearing cap shim, 8-cavity, 9-piston rod, 91-upward steady rings, 92-following steady ring, 10-thrust baring, 11-rotating shaft, 12-locating piece, 13-block, 14-synchronous pulley, 15-motor, 16-runner, 17-screw rod, 18-spherical hinge, 19-ball-bearing casing, 20-packing ring, 21-belt wheel cover, 22-air valve, 23-gas piping.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of dilator device, comprise supporting mechanism that is used for the dilatating and deformable car body and the actuating unit that is used for providing expansion power to described supporting mechanism, described actuating unit is by air pump 1 and is used for constituting to the storage battery 2 of air pump 1 power supply, during installation actuating unit is placed in the middle of the front-row seats of automobile or below the back seat; The lower end of described supporting mechanism slidably is arranged in the cylinder body 3, between the bottom surface of the bottom surface of supporting mechanism and cylinder body 3, be provided with air bag 4, air pump 1 in the actuating unit gives air bag 4 inflations by gas piping 23, also is provided with air valve 22 on the gas piping 23 between air pump 1 and the air bag 4; Described supporting mechanism comprises the back-up block 5 that is used for the supporting deformation car body, the described back-up block 5 telescopic upper ends that are arranged at supporting mechanism.When gas transmission 23 pipes that connect between air pump 1 and the air bag 4, be on the exterior cylinder body 3 of supporting mechanism, to be provided with an air extractor vent, gas piping 23 passes this air extractor vent and links to each other with air bag, and described air extractor vent can be arranged on the bottom of cylinder body 3, also can be arranged on the sidewall of cylinder body 3.
Referring to Fig. 1, supporting mechanism of the present utility model also comprises piston 6, and piston 6 slidably is arranged in the cylinder body 3; Be fixed with a bearing cap shim that raises up 7 in the upper end of piston 6, between bearing cap shim 7 and piston 6, form cavity 8, in described cavity 8, be provided with steady ring 91 and a following steady ring 92 on one, between last steady ring 91 and following steady ring 92, be fixed with a thrust baring 10, the described steady ring 91 of going up pushes against with bearing cap shim 7, and described steady ring 92 down pushes against with piston 6; Piston rod 9 stretches in the cavity 8 after passing steady ring 91 from the top of bearing cap shim 7, the upper surface of the lower end of piston rod 9 and thrust baring 10 pushes against, also be fixed with a rotating shaft 11 in the bottom of piston rod 9, in rotating shaft 11, be with a locating piece 12, also be fixed with a block 13 in the lower end of rotating shaft 11, described locating piece 12 is stuck between the lower surface and block 13 of thrust baring 10; The upper end of described piston rod 9 is fixed with a synchronous pulley 14, the motor 15 of power is provided by storage battery and runner 16 is installed in the rotating shaft of motor 15 being fixed with one on the cylinder body 3, described runner 16 drives synchronous pulley 14 and then drive piston rod 9 rotations by belt, runner 16 is concordant substantially with the height of synchronous pulley 14 when mounted, so just can make belt keep level and smooth, can also reduce the friction between belt and the wheel; Top at cylinder body 3 also is provided with ball-bearing casing 19, synchronous pulley 14 is by ball-bearing casing 19 and cylinder body 3 normal-running fiies, not only can play a supporting role by ball-bearing casing to synchronous pulley, can also prevent synchronous pulley when rotating to the both sides run-off the straight, make synchronous pulley remain the spigot shaft coaxle with piston rod.Described piston rod 9 is the cylindrical structure of upper end open, and screw rod 17 inserts in the piston rod 9 and with piston rod 9 and is threaded, and also is provided with spherical hinge 18 in the lower end of back-up block 5, and described screw rod 17 flexibly connects by spherical hinge 18 and back-up block 5.Also be fixed with a belt wheel cover 21 on the top of cylinder body 3, synchronous pulley 14 is arranged in the belt wheel cover 21, through hole is all left in upper end and side at belt wheel cover 21, screw rod 17 passes from the top through hole of belt wheel cover 21, and the belt on the motor runner 16 penetrates with synchronous pulley 14 from the through hole of belt wheel cover 21 sides and links to each other.
Referring to Fig. 1, because piston rod 9 will drive thrust baring 10 rotations when rotating, and the last steady ring 91 and the following steady ring 92 of thrust baring 10 upper/lower terminals are all fixed, therefore for reducing to go up the friction between steady ring 91 and following steady ring 92 and the thrust baring 10, thrust baring 10 and last steady ring 91 and and following steady ring 92 between be respectively equipped with packing ring 20.Just thrust baring 10 and upper and lower steady ring can be kept apart by packing ring 20 like this, and packing ring 20 can adopt softer plastics of material or rubber etc., make thrust baring 10 inside can not be stuck when rotated.In the utility model, last steady ring 91 and following steady ring 92 are bearing.
Referring to Fig. 1, in the supporting mechanism of the present utility model, the purpose that rotating shaft 11 is set in the lower end of piston rod 9 is, makes piston rod 9 11 rotations around the shaft, prevent that piston rod 9 is offset, and therefore is arranged at rotating shaft 11 on the central axis of piston rod 9 when rotating; The locating piece 12 that is enclosed within simultaneously in the rotating shaft 11 can not only play upwards spacing, can also play the spacing of left and right direction, when mounted, the left and right two ends that make locating piece 12 push against with the inwall both sides of following steady ring 92 respectively, so just can limit the position of rotating shaft 11, make it keep in the vertical direction and coaxial with the central axis of piston rod 9.
Referring to Fig. 1, cylinder body 3 of the present utility model can be set to split-type structural, promptly is made of the cylinder cap at top and the cup shell of lower end, adopts bolted connection between cylinder cap and the cup shell, more convenient like this dismounting.For making the manufacturing simple possible and controlling cost, the material of cylinder body adopts 45 steel seamless steel tubes of national standard, cylinder base and each separated components all adopt welding manner to connect, because 45 steel are dead-soft steeies, therefore it has the good advantage of welding mechanics performance, and is simpler, laborsaving when making.
Because supporting mechanism has had the support of cylinder body, therefore air bag mainly seals in the utility model, thereby the manufacturing requirement to air bag can reduce, at this, the double-decker that the overcoat that air bag of the present utility model adopts the liner made by elastomeric material and nylon cloth to make is formed is provided with french talc between the liner of air bag and overcoat, can prevent from like this that air bag from bonding together to be broken through when working, and air bag compresses back thickness less than 25 mm, thereby can reduce cost of manufacture.
The utility model adopts the mode carry air pump to solve propulsion source problem after automobile gets into an accident, adopt the unitized construction of air bag and self extending formula supporting mechanism to solve the problem that traditional expansion tool (hydraulic jack, pneumatic jack, air bag jack etc.) can not be used to save oneself because of the restriction of weight, forced stroke, self size and work system, and manufacturing is more prone to, and has overcome traditional expanding mechanism and has made demanding defective.
Need to prove, above embodiment is only in order to illustrate technical solutions of the utility model but not the restriction technologies scheme, although the applicant has done detailed description with reference to preferred embodiment to the utility model, those of ordinary skill in the art is to be understood that, the modification that those carry out technical solutions of the utility model or be equal to replacement, the aim and the scope that can not break away from the technical program all should be encompassed in the middle of the utility model claim scope.
Claims (9)
1. dilator device, it is characterized in that, comprise that supporting mechanism that is used for the dilatating and deformable car body and the actuating unit that is used for providing expansion power to described supporting mechanism, described actuating unit are by air pump (1) and are used for constituting to the storage battery (2) of air pump (1) power supply; Described supporting mechanism lower end slidably is arranged in the cylinder body (3), is provided with air bag (4) between the bottom surface of the bottom surface of supporting mechanism and cylinder body (3), and the air pump (1) in the actuating unit is given air bag (4) inflation by gas piping (23); Described supporting mechanism comprises the back-up block (5) that is used for the supporting deformation car body, the telescopic upper end that is arranged at supporting mechanism of described back-up block (5).
2. dilator device according to claim 1 is characterized in that, described supporting mechanism also comprises piston (6), and described piston (6) slidably is arranged in the cylinder body (3); Be fixed with a bearing cap shim that raises up (7) in the upper end of piston (6), between bearing cap shim (7) and piston (6), form cavity (8), in described cavity (8), be provided with one and go up a steady ring (91) and a following steady ring (92), between last steady ring (91) and following steady ring (92), be fixed with a thrust baring (10), the described steady ring (91) of going up pushes against with bearing cap shim (7), and described steady ring (92) down pushes against with piston (6); Piston rod (9) stretches in the cavity (8) after passing steady ring (91) from the top of bearing cap shim (7), the upper surface of the lower end of piston rod (9) and thrust baring (10) pushes against, also be fixed with a rotating shaft (11) in the bottom of piston rod (9), in rotating shaft (11), be with a locating piece (12), also be fixed with a block (13) in the lower end of rotating shaft (11), described locating piece (12) is stuck between the lower surface and block (13) of thrust baring (10); The upper end of described piston rod (9) is fixed with a synchronous pulley (14), being fixed with one on cylinder body (3) is provided the motor (15) of power and runner (16) is installed in the rotating shaft of motor (15) by storage battery, described runner (16) drives synchronous pulley (14) and then drive piston rod (9) rotation by belt; Described piston rod (9) is the cylindrical structure of upper end open, and screw rod (17) inserts in the piston rod (9) and with piston rod (9) and is threaded, and the upper end of screw rod (17) links to each other with back-up block (5).
3. dilator device according to claim 1 is characterized in that, the double-decker that the overcoat that liner that described air bag (4) is made by elastomeric material and nylon cloth are made is formed also is provided with french talc between the liner of air bag (4) and overcoat.
4. according to claim 1 or 3 described dilator device, it is characterized in that, on the gas piping (23) between air pump (1) and the air bag (4), also be provided with air valve (22).
5. dilator device according to claim 2 is characterized in that, is provided with spherical hinge (18) in the lower end of back-up block (5), and described back-up block (5) flexibly connects by spherical hinge (18) and screw rod (17).
6. dilator device according to claim 2 is characterized in that, is provided with ball-bearing casing (19) on the top of cylinder body (3), and described synchronous pulley (14) is by ball-bearing casing (19) and cylinder body (3) normal-running fit.
7. dilator device according to claim 2 is characterized in that, thrust baring (10) and last steady ring (91) and and following steady ring (92) between be respectively equipped with packing ring (20).
8. dilator device according to claim 2 is characterized in that, described rotating shaft (11) is positioned on the central axis of piston rod (9).
9. dilator device according to claim 6 is characterized in that, also is fixed with a belt wheel cover (21) on the top of cylinder body (3), and described synchronous pulley (14) is arranged in the belt wheel cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202754320U CN201729630U (en) | 2010-07-29 | 2010-07-29 | Expander device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202754320U CN201729630U (en) | 2010-07-29 | 2010-07-29 | Expander device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201729630U true CN201729630U (en) | 2011-02-02 |
Family
ID=43520786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202754320U Expired - Fee Related CN201729630U (en) | 2010-07-29 | 2010-07-29 | Expander device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201729630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898735A (en) * | 2010-07-29 | 2010-12-01 | 重庆理工大学 | Vehicle self-saving expander |
| CN104721989A (en) * | 2013-12-20 | 2015-06-24 | 中国科学院沈阳自动化研究所 | Self-propelled synchronization seam opening mechanism |
-
2010
- 2010-07-29 CN CN2010202754320U patent/CN201729630U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898735A (en) * | 2010-07-29 | 2010-12-01 | 重庆理工大学 | Vehicle self-saving expander |
| CN101898735B (en) * | 2010-07-29 | 2013-01-02 | 重庆理工大学 | Vehicle self-saving expander |
| CN104721989A (en) * | 2013-12-20 | 2015-06-24 | 中国科学院沈阳自动化研究所 | Self-propelled synchronization seam opening mechanism |
| CN104721989B (en) * | 2013-12-20 | 2017-05-10 | 中国科学院沈阳自动化研究所 | Self-propelled synchronization seam opening mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20110729 |