CN104236924B - The drawstring pulling force unloading assembly of dummy's comptocormia caliberating device - Google Patents
The drawstring pulling force unloading assembly of dummy's comptocormia caliberating device Download PDFInfo
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- CN104236924B CN104236924B CN201410521761.1A CN201410521761A CN104236924B CN 104236924 B CN104236924 B CN 104236924B CN 201410521761 A CN201410521761 A CN 201410521761A CN 104236924 B CN104236924 B CN 104236924B
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- purl
- lock body
- pulling force
- dummy
- comptocormia
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Abstract
Assembly is unloaded the invention provides a kind of drawstring pulling force of dummy's comptocormia caliberating device, belongs to field of mechanical technique.It solves the problem of pulling force discharge mechanism is free of in existing comptocormia caliberating device and technical scheme is solved.The drawstring pulling force unloading assembly of this dummy comptocormia caliberating device includes the purl of lock body and round bar shape；One is offered on the lock body to provide the slot to make way of connection space with drawstring, the purl is with lock body by that can make purl that the sealed attachment structure of slot to make way notch is connected.The drawstring pulling force unloading assembly of this dummy comptocormia caliberating device can it is simple, effectively and quickly will act on dummy's trunk pulling force and uninstall；Thus test requirements document is met.
Description
Technical field
The invention belongs to field of measuring technique, it is related to a kind of dummy's comptocormia caliberating device, particularly a kind of dummy's body
The drawstring pulling force unloading assembly of dry bending caliberating device.
Background technology
In research on vehicle passive safety, vehicle impact testing is basis, passes through the fortune of vehicle in experimental study accident
Interaction that is dynamic and turing red, human body response, people and vehicle part, so as to study beneficial method safe to the human body.
Dummy used in car crash experiment is essential inspection test equipment in impact test and experimental test, impact test
In all derive from evaluating the test parameter of human injury's index and occupant restraint system effect and be arranged on different with dummy
The sensor at position, is influenceed than larger, to vacation outside native land with the test result of these sensors by the physical characteristic of dummy itself
The O＆M of people has strict regulation.
Hybrid dummy is the dummy for being now widely used for vehicle impact testing test.Provided in regulation, Jia Renbi
The rating test of rules and regulations must periodically be carried out, if calibration index can not be met, need to dummy carry out reinstall adjustment or
Renewal part, otherwise test result will be insecure.
To rating test foundation U.S. 49CFR (the Code of Federal Regulation- federal regulations generations of dummy
Code) Part572 relevant regulations carry out, main to include the demarcation to manikin head, knee, chest and neck.Wherein to neck
Demarcation test index project at most, the design of Calibrating experimental bench is also the most complicated；Such as foot impacts characteristic calibrating installation, neck/
Lumbar vertebrae impact characteristics calibrating installation, chest rib impact characteristics calibrating installation, head roll-off characteristic calibrating installation, shoulder/belly/
Pelvis/chest impact characteristics calibrating installation, knee (displacement) impact characteristics calibrating installation, pelvic curvature characteristic calibrating installation, youngster
Virgin dummy calibration device, foot compression caliberating device and comptocormia caliberating device.
Comptocormia caliberating device is for determining joint resistance between dummy's trunk top and lower torso, being by one
The pulley of row, drawstring pulling force effect is in the upper vertebra of dummy.Fast discharging pulling force is required in rating test；It is curved in the trunk of buying
Pulling force discharge mechanism is free of in bent caliberating device, equipment manufacturer is not provided with correspondingly solving technical scheme.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of dummy's comptocormia demarcation dress
Put drawstring pulling force unloading assembly, the technical problem to be solved in the present invention be how fast discharging drawstring pulling force.
The purpose of the present invention can be realized by following technical proposal：A kind of drawstring of dummy's comptocormia caliberating device is drawn
Power unloads assembly, it is characterised in that drawstring pulling force unloading assembly includes the purl of lock body and round bar shape；Offered on the lock body
One is provides the slot to make way of connection space with drawstring, and the purl is with lock body by that can make purl by the sealed company of slot to make way notch
Binding structure is connected.
This drawstring pulling force unloads assembly can make slot to make way notch be in locked state or opening-wide state by manipulating.Dummy's body
During dry bending caliberating device experiment, a porose fast knot, purl are made a call in the end of upper drawstring and lower drawstring pull-up rope and lower drawstring
Hole through on upper drawstring and lower drawstring, makes purl that slot to make way notch is sealed by manipulating purl, and thus fast knot insertion allows
Position groove is interior and upper drawstring and lower drawstring are limited.When unloading pulling force, quick manipulation purl makes purl and upper drawstring and lower drawstring
Quick separating, thus drawstring moment gain freedom, that is, realize quickly and efficiently will act on dummy's trunk pulling force unloading.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, the attachment structure includes being hinged
Axle, the purl is hinged with lock body by jointed shaft, and the safety plug for limiting purl swing is hinged with the lock body.It is logical
Crossing swing purl makes purl horizontal at slot to make way notch, and rotating safety plug makes safety plug be enclosed on purl end for limiting purl
Swing, this state is purl by slot to make way notch locked state.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, the attachment structure includes being located at
The counterbore on through hole and opposite flank on slot to make way one side；Purl is penetrated after counterbore, purl have be exposed to outside lock body
Power portion.Purl is penetrated from through hole one end, and the other end is passed, and is passed completely through slot to make way notch, is finally penetrated counterbore, and this state is lock
Pin is by slot to make way notch locked state.The structure also has the advantages that the bearing capacity for improving purl and avoids drawstring from sliding.
In order to improve purl insertion lock body efficiency, the end face edges and corners of purl have chamfering.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, offered on the through-hole side wall
It is provided with mounting hole, mounting hole on locking ball and spring, the purl side and is provided with annular positioning groove.Purl is penetrated after counterbore
Locking ball is embedded in annular positioning groove under the action of the spring, is thus limited purl and is freely moved axially, it is to avoid dummy's body
Purl is automatically separated with lock body during dry bending caliberating device experiment.
It is described to put forth effort to be connected with drawing in portion in the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device
Ring.When pulling out purl, finger penetrates draw ring, improves active force, it is ensured that quickly and efficiently can extract purl, that is, avoids hand and lock
Skidding occurs between pin.
It is to have a rope on the draw ring in the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device
Rope, rope is fixedly connected with lock body.After being extracted due to purl, purl is in released state with lock body, sets rope to be to keep away
Exempt from missing parts.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, the purl includes being in round bar shape
Matrix and be coated on the ceramic layer or polytetrafluoroethylene floor of outer surface of matrix.Ceramic layer or polytetrafluoroethylene floor are i.e. by purl bag
Wrap up in, it is to avoid purl gets rusty；Meanwhile, rope is effectively ensured in ceramic layer or polytetrafluoroethylene (PTFE) layer surface is smooth and coefficient of friction is low
It is rapidly separated with purl.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, the lock body is block in strip,
Slot to make way is located on lock body side；Slot to make way takes the shape of the letter U.
In the drawstring pulling force unloading assembly of above-mentioned dummy's comptocormia caliberating device, the lock body is in long strip-board shape,
Slot to make way is located in lock body plate face, and slot to make way is groove.
Compared with prior art, the drawstring pulling force unloading assembly of this dummy comptocormia caliberating device can be simple, effective, fast
Dummy's trunk pulling force is will act on fastly to uninstall；Thus test requirements document is met.Can by testing this drawstring pulling force discharge mechanism
To test Hybrid III 3 years old, Hybrid III 6 years old, Hybrid III 10 years old, Hybrid III 5thWomen, Hybrid
III 95thA series of dummies such as male；Thus have the advantages that applied widely.
Brief description of the drawings
Fig. 1 is the structural representation of this drawstring pulling force unloading assembly embodiment one.
Fig. 2 is Fig. 1 partial structurtes cross section structure diagram.
Fig. 3 is the structural representation of lock body in Fig. 2.
Fig. 4 is the structural representation of purl in Fig. 2.
Fig. 5 is another structural representation of lock body that this drawstring pulling force unloads assembly.
Fig. 6 is the structural representation of this drawstring pulling force unloading assembly embodiment two.
In figure, 1, lock body；2nd, purl；3rd, slot to make way；4th, through hole；5th, counterbore；6th, portion is puted forth effort；7th, chamfering；8th, locking ball；
9th, spring；10th, annular positioning groove；11st, draw ring；12nd, rope；13rd, matrix；14th, polytetrafluoroethylene floor；15th, jointed shaft；16th, protect
Danger pin；17th, mounting groove.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figures 1 to 6, the drawstring pulling force unloading assembly of this dummy comptocormia caliberating device includes lock body 1, purl
2 and the attachment structure of connection lock body 1 and purl 2.One is offered on lock body 1 to provide the slot to make way 3 of connection space with drawstring, is led to
Crossing manipulation purl 2 can make purl 2 that the notch of slot to make way 3 is sealed.
Embodiment one
As shown in figure 1, purl 2 is in round bar shape, it is to avoid axial corner angle hurt drawstring.Attachment structure includes being located at slot to make way 3
The counterbore 5 on through hole 4 and opposite flank on one side.When purl 2 is connected with lock body 1, penetrated from the one end of through hole 4, the other end
Pass, pass completely through the notch of slot to make way 3, finally penetrate counterbore 5；This state is purl 2 by the notch locked state of slot to make way 3.Lock
Pin 2, which has, puts forth effort portion 6, in this case, puts forth effort portion 6 and is exposed to outside lock body 1.Purl 2 is connected with the two sides of slot to make way 3, effectively
It ensure that the bearing capacity of purl 2, it is to avoid the handle of dummy's comptocormia caliberating device, which applies, causes the change completely of purl 2 after pulling force
Shape.The structure makes the notch of slot to make way 3 sealed completely sealed, prevents occur drawstring landing phenomenon.Had using plug-in type connection structure
Have simple in construction, advantage easy to operate.
As shown in Figure 2, Figure 3 and Figure 4, in order to improve the insertion efficiency of lock body 1 of purl 2, preferably, purl 2 is adopted with lock body 1
Coordinated with gap and the end face edges and corners of purl 2 have chamfering 7.Thus, purl 2 can be moved easily relative to lock body 1, even
Can freely it depart under gravity.Occur undeservedly in preceding processing when being tested in order to avoid dummy's comptocormia caliberating device
Purl 2 is separated with lock body 1；Then offered on the side wall of through hole 4 and locking ball 8 and spring 9 are provided with mounting hole, mounting hole, lock
Pin 2 is provided with annular positioning groove 10 on side.It is fixed that purl 2 penetrates the embedded annular in the presence of spring 9 of locking ball 8 after counterbore 5
In the groove 10 of position, thus limit purl 2 and freely move axially.Obviously, annular positioning groove 10 and it is introduced into slot to make way 3, thus
Avoid drawstring from being embedded in annular positioning groove 10, and then influence purl 2 and drawstring separative efficiency.
As shown in figure 1, due to needing rapidly to extract purl 2, in order to avoid occurring to skid between hand and purl 2 and making
Firmly the phenomenon such as deficiency, is connected with draw ring 11 in the portion of putting forth effort 6.When pulling out purl 2, finger penetrates draw ring 11, improves active force, protects
Card quickly and efficiently can extract purl 2.
After being extracted due to purl 2, purl 2 is in released state with lock body 1, then is to have a rope 12 on draw ring 11,
Rope 12 is fixedly connected with lock body 1.Specifically, link slot is provided with lock body 1 and connecting pin is fixed with, rope 12 ties up to connection
On pin.
Purl 2 directly can be made of stainless steel；Thus purl 2 is avoided to get rusty.According to actual conditions, purl 2 can be used
Following structure, as shown in figure 4, purl 2 includes the matrix 13 and the polytetrafluoroethylene (PTFE) for being coated on the outer surface of matrix 13 in round bar shape
Layer 14.According to actual conditions, polytetrafluoroethylene floor 14 can be replaced using ceramic layer.Due to ceramic layer or the table of polytetrafluoroethylene floor 14
Face is smooth and coefficient of friction is low, thus can be effectively reduced material requirements that matrix 13 used and reduction matrix 13 surface is thick
Rugosity requirement.
Because the part set on lock body 1 is few, thus it is low to the shape need of lock body 1, and the lock body 1 that the present embodiment is provided is in length
Strip and block, slot to make way 3 is located on the side of lock body 1；Slot to make way 3 takes the shape of the letter U.Slot to make way 3 is located at lock body 1 at end face；It is another
End holds lock body 1 for people.
According to actual conditions, lock body 1 can also be in long strip-board shape, and slot to make way 3 is located in the plate face of lock body 1, and slot to make way 3 is logical
Groove, as shown in Figure 5.
When dummy's comptocormia caliberating device is tested, the end of upper drawstring and lower drawstring pull-up rope and lower drawstring, which makes a call to one, to be had
The fast knot in hole.Purl 2 is substantially in being horizontally disposed with, and purl 2 is penetrated from the one end of through hole 4, and the other end is passed, upper drawstring and drop-down rope sling
On purl 2；Then continuing to insertion purl 2 makes purl 2 pass completely through the notch of slot to make way 3, finally penetrates counterbore 5, until positioning
In the insertion annular positioning groove 10 of steel ball 8；Thus connect with completing upper drawstring and lower drawstring.When unloading pulling force, a hand holds lock
Body 1, the finger of another hand penetrates draw ring 11, and purl 2 rapidly is completed out into extraction in lock body 1, thus purl 2 certainly with
Upper drawstring and lower drawstring quick separating realize the pulling force unloading that quickly and efficiently will act on dummy's trunk.
Embodiment two
The structure and principle of the present embodiment be the same as Example one are essentially identical, and different place is：As shown in fig. 6, even
Binding structure includes jointed shaft 15, and purl 2 is hinged with lock body 1 by jointed shaft 15, is hinged with the lock body 1 for limiting lock
The safety plug 16 that pin 2 is swung.Specifically, it is provided with lock body 1 on the mounting groove 17 for being embedded purl 2, purl 2 and lock body 1
It is provided with insurance hole.Make purl 2 horizontal at the notch of slot to make way 3 by swinging purl 2, and by safety plug 16 pass through lock body 1 guarantor
Dangerous hole and the insurance hole of purl 2 realize that limitation purl 2 is swung, and this state is purl 2 by the notch locked state of slot to make way 3.
Claims (6)
1. the drawstring pulling force unloading assembly of a kind of dummy's comptocormia caliberating device, it is characterised in that the unloading of this drawstring pulling force is total
Into including the purl (2) of lock body (1) and round bar shape；One is offered on the lock body (1) to provide allowing for connection space with drawstring
Position groove (3), the purl (2) is with lock body (1) by that can make purl (2) that the sealed attachment structure of slot to make way (3) notch is connected；
The attachment structure includes the counterbore (5) on the through hole (4) and opposite flank on slot to make way (3) one side；Purl (2) is worn
Enter after counterbore (5), purl (2) have be exposed to lock body (1) outside put forth effort portion (6)；Installation is offered on the wall of through hole (4) side
It is provided with hole, mounting hole on locking ball (8) and spring (9), purl (2) side and is provided with annular positioning groove (10)；It is described
Purl (2) is including being in the matrix (13) of round bar shape and being coated on the ceramic layer or polytetrafluoroethylene floor of matrix (13) outer surface
(14)；The locating slot (10) is opened on the outer wall of ceramic layer or polytetrafluoroethylene floor (14), and locating slot (10) is located at pottery
The middle part of enamel coating or polytetrafluoroethylene floor (14), outer wall and through hole (4) inwall of the ceramic layer or polytetrafluoroethylene floor (14)
And the inwall of counterbore (5) mutually reclines.
2. the drawstring pulling force unloading assembly of dummy's comptocormia caliberating device according to claim 1, it is characterised in that institute
Stating the end face edges and corners of purl (2) has chamfering (7).
3. the drawstring pulling force unloading assembly of dummy's comptocormia caliberating device according to claim 2, it is characterised in that institute
State and draw ring (11) is connected with the portion of putting forth effort (6).
4. the drawstring pulling force unloading assembly of dummy's comptocormia caliberating device according to claim 3, it is characterised in that institute
It is to have a rope (12) to state on draw ring (11), and rope (12) is fixedly connected with lock body (1).
5. the drawstring pulling force unloading of dummy's comptocormia caliberating device described in any one in claim 1 to 2 is total
Into, it is characterised in that the lock body (1) is block in strip, and slot to make way (3) is located on lock body (1) side；Slot to make way (3) is in U
Shape.
6. the drawstring pulling force unloading of dummy's comptocormia caliberating device described in any one in claim 1 to 2 is total
Into, it is characterised in that the lock body (1) is in long strip-board shape, and slot to make way (3) is located in lock body (1) plate face, and slot to make way (3) is logical
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521761.1A CN104236924B (en) | 2014-09-30 | 2014-09-30 | The drawstring pulling force unloading assembly of dummy's comptocormia caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521761.1A CN104236924B (en) | 2014-09-30 | 2014-09-30 | The drawstring pulling force unloading assembly of dummy's comptocormia caliberating device |
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| Publication Number | Publication Date |
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| CN104236924A CN104236924A (en) | 2014-12-24 |
| CN104236924B true CN104236924B (en) | 2017-08-11 |
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