CN205879545U - Bump test dummy handling device - Google Patents

Abstract

The utility model relates to an automotive filed discloses a bump test dummy handling device, including slide base, slide base includes the pedestal, the base of perpendicular fixed connection on the pedestal erects the arm, arm upper end articulated base xarm is erected with the base in the rear end, include still that both ends erect height regulating mechanism and the dummy fixed establishment of connection at base xarm front end that arm and base xarm are connected with the base respectively, dummy fixed establishment includes the body, the solid fixed ring group of solid fixed ring of waist and shank, the girdle ring side of one side for being used for installing the solid fixed ring of waist of body, the leg ring side of opposite side for being used for installing the solid fixed ring group of shank of body. The utility model discloses in, being provided with dummy fixed establishment at the tip of base xarm, solid fixed ring fixes dummy's waist through dummy fixed establishment's waist to fix dummy's both legs through the solid fixed ring of shank, make the fixed more reliable of dummy, thereby prevent that the dummy from taking place to swing in handling.

Description

Crash test dummy handler

Technical field

This utility model relates to automotive field, particularly relates to a kind of crash test dummy handler.

Background technology

In current vehicle impact testing, when disposing the dummy of test, boom hoisting is used to connect drag hook by cable wire, Dummy is sling by the draw ring being hooked the dummy crown by drag hook, carry out moving dummies, owing to dummy slings simply by cable wire, this Time the dummy that is lifted be in erectility, bigger lifting space can be taken, and hanging apparatus is less to the constraint of dummy, Cause dummy to swing in handling process, need operator to buttress dummy, make troubles to the process of carrying dummy；This Outward, when dummy moves to test vehicle doorway, hanging apparatus can not limit and adjust the attitude of dummy, and it is big to be limited to car door Little reason, it is impossible to directly push to, on the seat of vehicle, need testing crew dummy to be embraced in car with dummy by test.By Dummy in test uses westerner's size, heavier-weight, causes testing crew to move testing dummy relatively difficult, from And extend the time that test prepares, have impact on the efficiency that test prepares.Meanwhile, after having tested, dummy is unloaded and puts into dummy During storage room, it is also desirable to testing dummy could be removed in car by multiple testing crew collaborative works smoothly, adds operator The labor intensity of member.

Utility model content

The purpose of this utility model is to provide a kind of crash test dummy handler, to compare dummy reliably Constraint and attitude limit, and prevent dummy from swinging in handling process, and can be beneficial to directly use handler dummy to be put Remove seat on the seat specified in entering car or in car.

To achieve these goals, this utility model provides a kind of crash test dummy handler, including slip base Seat, described glide base includes pedestal, the pedestal vertical arm being vertically fixedly connected on described pedestal, rear end and described pedestal vertical arm The pedestal transverse arm of upper end thereof, also includes the altitude mixture control machine that two ends are connected respectively with described pedestal vertical arm and described pedestal transverse arm Structure and be connected to dummy's fixed mechanism of described pedestal transverse arm front end, described dummy's fixed mechanism includes body, waist retainer ring And leg retainer ring group, the side of described body is the girdle ring side for installing described waist retainer ring, another of described body Side is the lower limb ring side for installing described leg retainer ring group.

Preferably, the test vacation making to be fixed by it it is set between described waist retainer ring and leg retainer ring group People keeps the angle of standing and sitting gesture to arrange.

Preferably, described waist retainer ring is spliced to form by two the first semi-rings, one end of two the first semi-rings It is connected to symmetrically on the girdle ring side of described body；The girdle ring side of described body is provided with two symmetrically for installing the first semi-ring The first support arm, two described first support arms are coaxially disposed, and the external part of described first support arm is provided with tenon, described first semi-ring One end be provided with tongue-and-groove, described first semi-ring is coordinated by described tongue-and-groove and is arranged on described tenon, described first semi-ring and the The joint of one support arm is provided with locking sleeve.

Preferably, described leg retainer ring group includes two leg retainer ring, each described leg retainer ring by Two the second semi-rings are spliced to form, the most hinged lower limb ring side on the body, one end of two the second semi-rings, described leg Retainer ring is provided with locking structure；The lower limb ring side of described body is provided with two the second support arms, two described second support arms symmetrically Between for angle arrange, each described second support arm is provided with a described leg retainer ring, the external part of described second support arm Being provided with connecting platform, described connecting platform is provided with shaft hole, and two described second semi-rings are articulated with described by the first rotating shaft Shaft hole；The hinged one end of two described second semi-rings is equipped with foot piece, and the external part of one of them foot piece is hinged with clasp, institute State foot piece and clasp constitutes described locking structure.

Preferably, the front end of described pedestal transverse arm is provided with the control machine for connecting described dummy's fixed mechanism Structure, described pedestal transverse arm rear end is provided with and is connected with controlling organization, for adjusting the attitude tune of described dummy's fixed mechanism attitude Complete machine structure.

Preferably, described controlling organization includes controlling bar and being located at control masthead portion, for adjusting with described attitude The draw ring that complete machine structure connects, the middle part of described control bar is hinged on described pedestal transverse arm by the second rotating shaft, described control bar Bottom connect install described dummy's fixed mechanism.

Preferably, described attitude-adjusting system includes transverse axis, rotating handle and angle lock locking mechanism, and described pedestal is horizontal Arm is hinged in described pedestal vertical arm by described transverse axis, and described transverse axis is connected with the draw ring of described controlling organization by rope； Described rotating handle is fixedly and coaxially connected the one end at described transverse axis, and described angle lock locking mechanism is located at the other end of described transverse axis, Described angle lock locking mechanism includes spreadet spreadet wheel, latch, the 3rd rotating shaft and locking stop block, and described spreadet spreadet wheel is coaxially fixed Being connected on described transverse axis, the middle part of described latch is connected on described pedestal transverse arm by described 3rd rotating shaft, described lock One end of stops is connected in the teeth groove of described spreadet spreadet wheel, and described locking stop block is installed on described pedestal transverse arm, and position Side in the described latch other end；When described spreadet spreadet wheel has rotation trend and during latch described in pushing tow, described lock Stops is resisted against on described locking stop block, to limit the rotation of described spreadet spreadet wheel.

Preferably, described angle lock locking mechanism also includes unloading handle and elastic reset part, and described unloading handle is fixed At described latch away from one end of described spreadet spreadet wheel, described elastic reset part one end is connected with described unloading handle, described bullet The other end of property return unit is connected in described 3rd rotating shaft；Described elastic reset part acts on described latch, makes described lock Stops and described spreadet spreadet wheel are in clamped condition.

Preferably, described rotating handle includes connecting seat and multiple connecting rod, and described rotating handle is by described connection Cover for seat is connected on described transverse axis, and multiple described connecting rods are connected to be formed on described connection seat radial.

Preferably, the tubulose extension bar coordinating socket with described rotating handle connecting rod is also included.

Crash test dummy handler of the present utility model, is provided with dummy's fixed mechanism in the end of pedestal transverse arm, Waist retainer ring by dummy's fixed mechanism fixes the waist of dummy, limits the movement of dummy's torso portion, and leads to Cross leg retainer ring and fix the both legs of dummy, prevent the swing of dummy's both legs, by waist retainer ring and leg retainer ring Structural grouping forms triangle fixed area, makes the dummy fixed keep the posture of sitting, makes that dummy's is fixing relatively reliable, thus It is possible to prevent dummy to swing in handling process, and is beneficial to the seat directly using handler will to specify in dummy's placing car Remove seat on position or in car, thus alleviate the labor intensity of operator.

Additionally, in this utility model, by being provided with controlling organization and attitude-adjusting system on pedestal transverse arm, pass through appearance State guiding mechanism acts on controlling organization and adjusts the attitude of dummy's fixed mechanism in real time, to realize further to dummy's attitude Adjust, allow the operator to more successfully adjust the attitude of dummy, on the test seat will specified in dummy's placing car or Remove seat in car, such that it is able to alleviate the labor intensity of operator, save the time that impact test prepares, carry The efficiency that high impact test test prepares.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the crash test dummy handler of this utility model embodiment；

Fig. 2 is the exploded pictorial of dummy's fixed mechanism of the crash test dummy handler of this utility model embodiment Figure；

Fig. 3 be the attitude-adjusting system of the crash test dummy handler of this utility model embodiment structural representation Figure；

After Fig. 4 is the crash test dummy handler removal pedestal transverse arm of this utility model embodiment, pose adjustment machine Structure and the attachment structure schematic diagram of controlling organization.

Wherein: 1, pedestal；2, pedestal vertical arm；3, pedestal transverse arm；4, height adjustment mechanism；5, dummy's fixed mechanism；51, originally Body；511, the first support arm；512, the second support arm；513, tenon；514, locking sleeve；515, connecting platform；516, shaft hole； 52, waist retainer ring；521, the first semi-ring；522, tongue-and-groove；53, leg retainer ring；531, the second semi-ring；532, foot piece；533、 First rotating shaft；534, clasp；54, locking structure；6, attitude-adjusting system；61, transverse axis；62, rotating handle；621, seat is connected； 622, connecting rod；63, angle lock locking mechanism；631, spreadet spreadet wheel；632, latch；633, the 3rd rotating shaft；634, elastic reset Part；635, unloading handle；636, locking stop block；7, controlling organization；71, bar is controlled；72, draw ring；73, the second rotating shaft；8, universal Wheel；9, extension bar；10, rope.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.

As it is shown in figure 1, show schematically show crash test dummy handler of the present utility model, it includes slip base Seat, height adjustment mechanism 4, dummy's fixed mechanism 5, attitude-adjusting system 6 and controlling organization 7；This glide base include pedestal 1, The pedestal transverse arm 3 of the pedestal vertical arm 2, rear end and pedestal vertical arm 2 upper end thereof that are vertically fixedly connected on pedestal 1, altitude mixture control Mechanism 4 two ends are connected with pedestal vertical arm 2 and pedestal transverse arm 3 respectively, and dummy's fixed mechanism 5 is connected on the front end of pedestal transverse arm 3； As preferably, height adjustment mechanism 4 is hydraulic stem, and one end of hydraulic stem is hinged in pedestal vertical arm 2, the other end hinge of hydraulic stem It is connected on pedestal transverse arm 3, when hydraulic stem stretches out or shrinks, so that pedestal transverse arm 3 swings up and down, adjusts dummy with this The height and position of fixed mechanism 4.

As it is shown in figure 1, the pedestal 1 of glide base is triangle, the bottom at each angle of pedestal 1 is equipped with universal wheel 8, So that the carrying of dummy.

As in figure 2 it is shown, dummy's fixed mechanism 5 includes body 51, waist retainer ring 52 and leg retainer ring group, waist is fixed Ring 52 is located at the girdle ring side of body 51, and leg retainer ring group is located at the lower limb ring side of body 51, and relative with waist retainer ring 52 sets Putting, wherein, waist retainer ring 52 is for fixing the waist of dummy, and leg retainer ring group is provided with two groups of leg retainer ring 52, For fixing the left and right lower limb of dummy, so, the fixed constraint to dummy can be increased, make that dummy's is fixing relatively reliable, prevent Dummy's swing in handling process；It is set between the anchor ring of waist retainer ring 52 and the anchor ring of leg retainer ring group and makes to fix Testing dummy keep the angle of standing and sitting gesture to arrange, such as, by the ring of the anchor ring of waist retainer ring 52 Yu leg retainer ring 53 Face is set to substantially vertical, when using this structure to arrange so that dummy is fixed on dummy's fixed mechanism 5, keeps sitting Vertical posture, on the one hand can reduce taking up room of dummy, it is simple to the carrying of dummy, on the other hand, dummy keeps sitting appearance Gesture can be with seat space layout in matching car, in order to the seat on the test seat will specified in dummy's placing car or in car Upper removal.

Continuing referring to shown in Fig. 2, waist retainer ring 52 is spliced to form by two the first semi-rings 521, waist retainer ring 52 For ellipse, to limit the rotation that dummy's trunk is, leg retainer ring 53 is spliced to form by two the second semi-rings 531, wherein, The girdle ring side of body 51 is provided with two the first support arms 511 symmetrically, and these two the first support arms 511 are coaxially disposed, the first support arm 511 External part be provided with tenon 513, one end of the first semi-ring 521 is provided with tongue-and-groove 522, and two the first semi-rings 521 can by tongue-and-groove 522 Releasably coordinate on tenon 513, in order to prevent the first semi-ring 521 from coming off from the first support arm 511, the first semi-ring 521 with The joint of the first support arm 511 arranges locking sleeve 514, and locking sleeve 514 inwall is provided with female thread, the first semi-ring 521 and One support arm 511 is provided with and the external screw thread of locking sleeve 514 screw-internal thread fit in the end of joint, and locking sleeve 514 passes through spiral shell Stricture of vagina screws in the first semi-ring 521 and joint of the first support arm 511, is reliably connected with the first support arm 511 by the first semi-ring 521； The lower limb ring side of body 51 is provided with two the second support arms 512 symmetrically, and these two the second support arms 512 have certain angle each other, The structure of this non-coaxial setting is easy to arrange that two groups of leg retainer ring 53, the external part of the second support arm 512 are provided with connecting platform 515, connecting platform 515 is provided with shaft hole 516, and often one end of two the second semi-rings 531 of group leg retainer ring 53 is by the One rotating shaft 533 is articulated with shaft hole 516；In order to rotate after preventing two the second semi-ring 531 splicing Guan Bis, fix at leg Locking structure 54 is set on ring 53, to limit the rotation of two the second semi-rings 531, specifically, hinged at two the second semi-rings 531 One end be equipped with foot piece 532, the external part of one of them foot piece 532 is hinged with clasp 534, when leg retainer ring 53 splicing close During conjunction, two foot pieces 532 align, and clasp 534 can be fastened on another foot piece 532 (being not provided with clasp), to keep leg Retainer ring 53 is in closure state.

Incorporated by reference to shown in Fig. 1 and Fig. 4, in order to adjust the attitude after dummy lifts further, at pedestal transverse arm 3 front end (base One end of being connected with dummy's fixed mechanism 5 of seat transverse arm 3) be provided with controlling organization 7, pedestal transverse arm 3 rear end (pedestal transverse arm 3 and One end that pedestal vertical arm 2 is hinged) it is provided with attitude-adjusting system 6, dummy's fixed mechanism 5 is fixed on controlling organization 7, passes through appearance State guiding mechanism 6 acts on controlling organization 7 to adjust the attitude of dummy's fixed mechanism 5；Specifically, controlling organization 7 includes controlling Bar 71 and for the draw ring 72 that is connected with attitude-adjusting system 6, controls the middle part of bar 71 and passes through the second rotating shaft 73 and be hinged on pedestal On transverse arm 3, dummy's fixed mechanism 5 is fixed on the bottom controlling bar 71, and draw ring 72 is located at the top controlling bar 71.

Refer to Fig. 1 and combine shown in Fig. 3 and Fig. 4, attitude-adjusting system 6 includes transverse axis 61 and rotating handle 62, and pedestal is horizontal Arm 3 is hinged on the upper end of pedestal vertical arm 2 by transverse axis 61, and rotating handle 62 is fixedly and coaxially connected the one end at transverse axis 61, controls machine The draw ring 72 of structure 7 is connected with transverse axis 61 by rope 10 (such as cable wire)；As shown in Figure 4, transverse axis can be rotated by rotating handle 62 61, make rope 10 be wrapped on transverse axis 61, owing to rope 10 is tightened, thus pull control bar 71 to rotate around the second rotating shaft 73, The inclination angle of dummy's fixed mechanism 5 is adjusted, so that the dummy fixed can have proper attitude with this, in order to Put on the seat that structure space is the narrowest through car door.In this utility model, pedestal transverse arm 3 is hollow structure, rope 10 Can pass from pedestal transverse arm 3, such that it is able to simplify the structure of this utility model crash test dummy device.

Continue referring to Fig. 1 and combine shown in Fig. 3 and Fig. 4, in order to prevent transverse axis 61 by the counteracting force of rope 10 Rotating, the part making rope 10 be wound gets loose and causes the failure of dummy's pose adjustment；Therefore, attitude-adjusting system 6 is also Including angle lock locking mechanism 63, angle lock locking mechanism 63 is located at the other end of transverse axis 61, and angle lock locking mechanism 63 includes locking tooth Wheel 631, latch the 632, the 3rd rotating shaft 633 and locking stop block 636, spreadet spreadet wheel 631 is fixedly and coaxially connected on transverse axis 61, The middle part of latch 632 is connected on pedestal transverse arm 3 by the 3rd rotating shaft 633, and one end of latch 632 is connected to spreadet spreadet wheel In the teeth groove of 631, locking stop block 636 is fixed on pedestal transverse arm 3, and is positioned at the side of the other end of latch 632, works as vacation When people is by gravity reverse drawing rope 10, the counteracting force of rope 10 can make transverse axis 61 have the trend of rotating backward (to be twined with rope 10 Around time transverse axis 61 rotation direction contrary), make the anti-latch 632 that pushes away of spreadet spreadet wheel 631 make it have and rotate around the 3rd rotating shaft 633 Trend, now, latch 632 is resisted against on locking stop block 636, and locking stop block 636 will block latch 632, with Limit latch 632 to rotate around the 3rd rotating shaft 633, thus limit rotating backward of transverse axis 61, it is ensured that dummy be in all the time by Attitude after adjustment.

At latch 632, unloading handle 635 can be set away from one end of spreadet spreadet wheel 631, and at unloading handle 635 and the 3rd Arranging elastic reset part 634 (such as spring) between rotating shaft 633, elastic reset part 634 one end is connected with unloading handle 635, elastic The other end of return unit 634 is connected in the 3rd rotating shaft 633, so that elastic reset part 634 is in extended state all the time, now, Act on latch 632 owing to elastic reset part 634 has tendencies toward shrinkage, make at latch 632 and spreadet spreadet wheel 631 holding In clamped condition, it is possible to can with comparalive ease latch 632 be departed from spreadet spreadet wheel 631, with reality by unloading handle 635 Now unload.

Shown in Fig. 1 and Fig. 3, crash test dummy device of the present utility model also includes the extension bar 9 of tubulose, rotates Handle 62 includes connecting seat 621 and multiple connecting rod 622, and rotating handle 62 is socketed on transverse axis 61 by connecting seat 621, multiple connections Bar 622 is connected to connect and is formed on seat 621 radial, can be socketed in connecting rod 622 by extension bar 9 and compare appearance Change places and rotate transverse axis 61, make rope 10 be wrapped on transverse axis 61, to alleviate the labor intensity of operator.

In sum, in this utility model, the end of pedestal transverse arm 3 is provided with dummy's fixed mechanism 5, solid by dummy The waist retainer ring 52 determining mechanism 5 fixes the waist of dummy, limits the movement of dummy's torso portion, and solid by leg Determine ring 53 and fix the both legs of dummy, prevent the swing of dummy's both legs, tied by waist retainer ring 52 and leg retainer ring 53 Structure combination forms triangle fixed area, during so that dummy is fixed on dummy's fixed mechanism 5, keeps the posture of sitting, On the one hand can reduce taking up room of dummy, prevent dummy from swinging when carrying, in order to the carrying of dummy, the opposing party Face, dummy keeps the seating and standing posture can be with seat space layout in matching car, in order to appointment test dummy being placed in car Remove seat on seat or in car.

Additionally, in this utility model, by arranging controlling organization 7 and attitude-adjusting system 6 on pedestal transverse arm 3, pass through Attitude-adjusting system 6 acts on controlling organization 7 and adjusts the attitude of dummy's fixed mechanism 5 in real time, to realize dummy's attitude Adjust, allow the operator to more successfully adjust the attitude of dummy, the appointment in dummy's placing car is tested on seat or Remove seat in car, such that it is able to alleviate the labor intensity of operator, save the time that impact test prepares, improve The efficiency that impact test test prepares.

The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvement and replacement, these change Enter and replace and also should be regarded as protection domain of the present utility model.

Claims (10)

1. a crash test dummy handler, including glide base, described glide base includes pedestal, vertical fixing connection The pedestal transverse arm of pedestal vertical arm, rear end and described pedestal vertical arm upper end thereof on described pedestal, it is characterised in that also include Height adjustment mechanism that two ends are connected with described pedestal vertical arm and described pedestal transverse arm respectively and before being connected to described pedestal transverse arm Dummy's fixed mechanism of end, described dummy's fixed mechanism includes body, waist retainer ring and leg retainer ring group, described body Side is the girdle ring side for installing described waist retainer ring, and the opposite side of described body is for being used for installing described leg retainer ring The lower limb ring side of group.

Crash test dummy handler the most according to claim 1, it is characterised in that described waist retainer ring and leg It is set between retainer ring group and makes to be kept the angle of standing and sitting gesture to arrange by its fixing testing dummy.

Crash test dummy handler the most according to claim 1 and 2, it is characterised in that described waist retainer ring by Two the first semi-rings are spliced to form, and one end of two the first semi-rings is connected on the girdle ring side of described body symmetrically；Described The girdle ring side of body is provided with two symmetrically, and for the first support arm installing the first semi-ring, two described first support arms are coaxially disposed, The external part of described first support arm is provided with tenon, and one end of described first semi-ring is provided with tongue-and-groove, and described first semi-ring is by described Tongue-and-groove cooperation is arranged on described tenon, and the joint of described first semi-ring and the first support arm is provided with locking sleeve.

Crash test dummy handler the most according to claim 1 and 2, it is characterised in that described leg retainer ring group Including two leg retainer ring, each described leg retainer ring is spliced to form by two the second semi-rings, the one of two the second semi-rings Holding the most hinged lower limb ring side on the body, described leg retainer ring is provided with locking structure；The lower limb ring side of described body Being provided with two the second support arms symmetrically, arrange for angle between two described second support arms, each described second support arm is provided with One described leg retainer ring, the external part of described second support arm is provided with connecting platform, and described connecting platform is provided with shaft hole, Two described second semi-rings are articulated with described shaft hole by the first rotating shaft；

The hinged one end of two described second semi-rings is equipped with foot piece, and the external part of one of them foot piece is hinged with clasp, described Foot piece and clasp constitute described locking structure.

Crash test dummy handler the most according to claim 1, it is characterised in that on the front end of described pedestal transverse arm Be provided with the controlling organization for connecting described dummy's fixed mechanism, described pedestal transverse arm rear end be provided be connected with controlling organization, For adjusting the attitude-adjusting system of described dummy's fixed mechanism attitude.

Crash test dummy handler the most according to claim 5, it is characterised in that described controlling organization includes controlling Bar and be located at control masthead portion, for the draw ring being connected with described attitude-adjusting system, the middle part of described control bar passes through second Rotating shaft is hinged on described pedestal transverse arm, and the bottom of described control bar connects installs described dummy's fixed mechanism.

Crash test dummy handler the most according to claim 6, it is characterised in that described attitude-adjusting system includes Transverse axis, rotating handle and angle lock locking mechanism, described pedestal transverse arm is hinged in described pedestal vertical arm by described transverse axis, described horizontal stroke Axle is connected with the draw ring of described controlling organization by rope；Described rotating handle is fixedly and coaxially connected the one end at described transverse axis, institute State angle lock locking mechanism and be located at the other end of described transverse axis, described angle lock locking mechanism include spreadet spreadet wheel, latch, the 3rd turn Axle and locking stop block, described spreadet spreadet wheel is fixedly and coaxially connected on described transverse axis, and the middle part of described latch is by described 3rd rotating shaft is connected on described pedestal transverse arm, and one end of described latch is connected in the teeth groove of described spreadet spreadet wheel, described Locking stop block is installed on described pedestal transverse arm, and is positioned at the side of the described latch other end；When described spreadet spreadet wheel has There is rotation trend and described in pushing tow during latch, described latch is resisted against on described locking stop block, to limit described locking Pinion rotation.

Crash test dummy handler the most according to claim 7, it is characterised in that described angle lock locking mechanism also wraps Including unloading handle and elastic reset part, described unloading handle is installed in described latch one end away from described spreadet spreadet wheel, described bullet Property return unit one end is connected with described unloading handle, and the other end of described elastic reset part is connected in described 3rd rotating shaft；Described Elastic reset part acts on described latch, makes described latch and described spreadet spreadet wheel be in clamped condition.

Crash test dummy handler the most according to claim 7, it is characterised in that described rotating handle includes connecting seat And multiple connecting rod, described rotating handle is connected on described transverse axis by described connection cover for seat, and multiple described connecting rods are connected to institute State connection seat on formed radial.

Crash test dummy handler the most according to claim 9, it is characterised in that also include and described rotating handle Connecting rod coordinates the tubulose extension bar of socket.