CN205940833U - Headrest withdrawal force test fixture - Google Patents
Headrest withdrawal force test fixture Download PDFInfo
- Publication number
- CN205940833U CN205940833U CN201620670844.1U CN201620670844U CN205940833U CN 205940833 U CN205940833 U CN 205940833U CN 201620670844 U CN201620670844 U CN 201620670844U CN 205940833 U CN205940833 U CN 205940833U
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- CN
- China
- Prior art keywords
- pulley
- headrest
- pillar stand
- fixedly connected
- force test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000003556 assay Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a headrest withdrawal force test fixture, comprising a base plate, be equipped with the height -adjustable lifting support of festival on the bottom plate, the last pulley yoke that is equipped with of lifting support, be equipped with the support fixed pulley on the pulley yoke, can highly adjust lifting support's height when adopting the novel experiment of this experiment according to different seats, transfer knothole to adjust the distance between two adjustment fixed pulleys through the bar, in order to adapt to different seats, then walk around the support fixed pulley with wire rope, headrest bars is cliied to anchor clamps for the one end, the dynamometer draws for the other end, just, can measure the size of headrest bars's withdrawal force, perhaps hang impact load in wire rope one end, then it makes impact load drop on on the seatpad naturally to loosen wire rope suddenly, the anti impact fatigue strength of seatpad relapses to test many times, the end face positioning device is simple in structure, two experiments can be accomplished simultaneously to a device, not only saved test device but also avoided relapseing dismouting test device and the influence test progress in experimental.
Description
Technical field
Pulling out force test frock that this utility model is related to automobile detection apparatus technical field and in particular to one kind is rested the head on.
Background technology
The headrest of automotive seat is also called headrest, and it is the one kind arranging for improving vehicle ride comfort and safety
Auxiliary device, when vehicle is impacted, headrest can prevent occupant's head from rearward moving, and alleviates whiplass.Produce in seat
In assembling process, need the headrest of seat is arranged on backrest, this process is actual to be exactly to put the head rest pole of headrest
Enter in the headrest guide sleeve on backrest.Before automotive seat dispatches from the factory, each seat will detect whether chair headrest guide pin bushing assembles jail
Gu, to prevent from being extracted by headrest during adjustment height of headrest or when normally using.Seat production plant is all to adopt manually at present
In the headrest guide sleeve of headrest insertion backrest, manual simulation height of headrest adjusts and to detect whether headrest guide sleeve is pulled out.This life
The shortcoming of product mode is：High labor intensive, manpower is uncontrollable, when and big when and little it is impossible to react actually used completely in
Situation.In addition in addition to needing the intensity of detection headrest, the shock resistance fatigue strength of seat cushion is also to evaluate seat to automotive seat
One important indicator of energy, is required for individually detecting to the detection of chair headrest intensity and seat cushion shock resistance fatigue strength at present
Frock, a frock is only capable of completing a test, causes detecting tool various, entreprise cost rises, and needs to repeat to install in test
Different frocks, cause detection speed slow.
Utility model content
For solving above technical problem, this utility model provides one kind to be both suitable for intensity detection of resting the head on, and can use seat again
The headrest pulling out force test frock of pad resisting fatigue impact.
Technical scheme is as follows：A kind of headrest pulling out force test frock, it is critical only that：Including base plate, described base plate sets
There is Height Adjustable lifting support, this lifting support is provided with pulley yoke, this pulley yoke is provided with support fixed pulley.Using this
During technical scheme experiment, adjust the height of lifting support first according to different height of seats, then bypass support with steel wire rope fixed
Pulley, one end fixture clamps head rest pole, and other end ergometer draws, and just can measure the size of the withdrawal force of head rest pole；Need
Shock loading can be hung in steel wire rope one end during the shock resistance fatigue strength of test seat cushion, lifting support is adjusted according to test requirements document
Height, then unclamping suddenly steel wire rope makes shock loading naturally fall on cushion, repeated multiple times test seat cushion shock resistance tired
Labor intensity, this apparatus structure is simple, and a device can complete two tests simultaneously, both saved assay device and turn avoid test
Middle repeated disassembled and assembled assay device and affect test progress.
As preferred：Above-mentioned pulley yoke includes two horizontally disposed pulley cross bars, has two between two pulley cross bars
Adjustment fixed pulley, two adjustment fixed pulleys are respectively close to the two ends of pulley cross bar, the pulley cross bar of two adjustment fixed pulley both sides
Upper respectively just to being provided with bar shaped adjustment hole, the two ends of the pulley spindle of described adjustment fixed pulley pass corresponding described bar shaped adjustment hole
Rear thread is connected with locking nut.Using the design can by bar shaped adjustment hole adjust two adjustment fixed pulleys between away from
From to adapt to different seats.
On above-mentioned pulley cross bar upright to being provided with two pulley vertical rods, the lower end of two described pulley vertical rods is respectively with two
Described in root, pulley cross bar is fixedly connected, and is provided with described support fixed pulley, described support fixed pulley between two described pulley vertical rods
Pulley spindle two ends be fixedly connected with corresponding described pulley vertical rod respectively.Support fixed pulley and two adjustment fixed using this programme
Triangular shape between the stress point of pulley, when loading, stability is best.
Above-mentioned lifting support includes upper pillar stand and lower pillar stand, is provided with least two groups height on upper pillar stand along its length
Adjustment hole, is provided with least two groups installing holes on lower pillar stand along its length, in any height adjusting holes and installation in the hole
It is equipped with regulating bolt simultaneously, be fixedly connected by regulating bolt between described lower pillar stand and upper pillar stand.Passed through using this programme
Relative installation between adjustment upper pillar stand and lower pillar stand can adjust the height of lifting support, meets different test need
Ask.
Above-mentioned base plate is provided with multiple frock fixing holes.Can be solid by installing in different frock fixing holes using this programme
Determine bolt thus being fixed on frock on testing stand.
Two described pulley vertical rods are respectively provided on two sides with reinforced pull rod, and this reinforced pull rod one end is fixed with described pulley vertical rod
Connect, the described reinforced pull rod other end is fixedly connected with corresponding described pulley cross bar.Stood using this programme reinforced pull rod, pulley
Form firm triangle, stability is best when supporting fixed pulley stress between bar and pulley cross bar.
Two described upper pillar stands be respectively provided on two sides with reinforcement strut, described reinforcement strut one end is fixed with described upper pillar stand
Connect, the described reinforcement strut other end is fixedly connected with corresponding described pulley cross bar.Using the design upper pillar stand, strengthen strut
Form firm triangle and pulley cross bar between, stability is best when adjusting fixed pulley stress.
Above-mentioned upper pillar stand is two, and the upper end of two described upper pillar stands is connected with two described pulley cross bars respectively, described
Lower pillar stand is two, and two described lower pillar stands are connected with two described upper pillar stands respectively, are fixedly connected, two between two lower pillar stands
It is fixedly connected between root upper pillar stand.Can above be carried using this programme one side simultaneously or under push to the height that column to adjust lifting support
Degree, simplifies altitude mixture control step, is on the other hand fixedly connected between two lower pillar stands and is fixedly connected and two upper pillar stands between
Be conducive to lifting the intensity of upper pillar stand and lower pillar stand.
The lower section of above-mentioned base plate is provided with road wheel.Test tool can be promoted by road wheel using this programme, during use
More laborsaving.
Above-mentioned road wheel is universal wheel.Adjust direction of travel using this programme is convenient during promoting frock at any time.
Beneficial effect：It is can be adjusted according to different height of seats during experiment to rise descending branch using the beneficial effects of the utility model
The height of frame, adjusts the distance between two adjustment fixed pulleys by bar shaped adjustment hole, to adapt to different seats, then uses steel wire
Rope bypasses support fixed pulley, and one end fixture clamps head rest pole, and other end ergometer draws, and just can measure the withdrawal force of head rest pole
Size, or steel wire rope one end hang shock loading, then unclamping suddenly steel wire rope makes shock loading naturally fall in seat cushion
On, the shock resistance fatigue strength of repeated multiple times test seat cushion, whole device structure is simple, and a device can complete two examinations simultaneously
Test, both saved assay device and turn avoid repeated disassembled and assembled assay device in test and affect test progress.
Brief description
Fig. 1 is perspective view of the present utility model；
Fig. 2 is Fig. 1 front view.
Specific embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of headrest pulling out force test frock, including base plate 1, described base plate 1 is provided with height can
The lifting support adjusting, this lifting support is provided with pulley yoke, and this pulley yoke is provided with support fixed pulley 4, and described base plate 1 sets
There are multiple frock fixing holes 11, the lower section of described base plate 1 is provided with road wheel 12, described road wheel 12 is universal wheel.
Described pulley yoke includes two horizontally disposed pulley cross bars 6, has two adjustment to determine to slide between two pulley cross bars 6
Wheel 5, two adjustment fixed pulleys 5, respectively close to the two ends of pulley cross bar 6, the pulley cross bar 6 of two adjustment fixed pulley 5 both sides divide
Not just to being provided with bar shaped adjustment hole 7, the two ends of the pulley spindle of described adjustment fixed pulley 5 pass corresponding described bar shaped adjustment hole 7
Rear thread is connected with locking nut, and on described pulley cross bar 6, Founder is stood to being provided with two pulley vertical rods 13, two described pulleys
The lower end of bar 13 is fixedly connected with the middle part of two described pulley cross bars 6 respectively, is provided with institute between two described pulley vertical rods 13
State support fixed pulley 4, the described pulley spindle two ends supporting fixed pulley 4 are fixedly connected with corresponding described pulley vertical rod 13 respectively.
Described lifting support includes upper pillar stand 3 and lower pillar stand 2, is respectively equipped with along its length at least on upper pillar stand 3
Two groups of height adjusting holes 8, are respectively equipped with least two groups installing holes 9, in any altitude mixture control on lower pillar stand 2 along its length
It is equipped with regulating bolt while in hole 8 and installing hole 9, fixing even by regulating bolt between described lower pillar stand 2 and upper pillar stand 3
Connect, described upper pillar stand 3 is two, the upper end of two described upper pillar stands 3 is fixing with the middle part of two described pulley cross bars 6 respectively to be connected
Connect, described lower pillar stand 2 is two, and the lower end of two described lower pillar stands 2 is fixedly connected with described base plate 1, under two described respectively
Column 2 is connected with two described upper pillar stands 3 respectively, is fixedly connected between two lower pillar stands 2, the company of fixation between two upper pillar stands 3
Connect.
Two described pulley vertical rods 13 are respectively provided on two sides with reinforced pull rod 14, and this reinforced pull rod 14 one end is stood with described pulley
Bar 13 is fixedly connected, and described reinforced pull rod 14 other end is fixedly connected with corresponding described pulley cross bar 6, two described upper pillar stands
Strut 15 is strengthened in 3 be respectively provided on two sides with, and described reinforcement strut 15 one end is fixedly connected with described upper pillar stand 3, described strengthening support
Bar 15 other end is fixedly connected with corresponding described pulley cross bar 6, between two described lower pillar stands 2 and two described upper pillar stands 3
Respectively it is provided with multiple web beams 10.
Finally it should be noted that foregoing description is only preferred embodiment of the present utility model, the common skill of this area
Art personnel, under enlightenment of the present utility model, without prejudice on the premise of this utility model objective and claim, can make
Represent as multiple types, such conversion each falls within protection domain of the present utility model.
Claims (9)
1. a kind of headrest pulling out force test frock it is characterised in that：Including base plate (1), described base plate (1) is provided with height adjustable
The lifting support of section, this lifting support is provided with pulley yoke, and this pulley yoke is provided with support fixed pulley (4)；
Described pulley yoke includes two horizontally disposed pulley cross bars (6), has two adjustment to determine to slide between two pulley cross bars (6)
Wheel (5), two adjustment fixed pulleys (5) are respectively close to the two ends of pulley cross bar (6), the pulley of two adjustment fixed pulley (5) both sides
Respectively just to being provided with bar shaped adjustment hole (7) on cross bar (6), the two ends of the pulley spindle of described adjustment fixed pulley (5) pass corresponding
Described bar shaped adjustment hole (7) rear thread is connected with locking nut.
2. according to claim 1 headrest pulling out force test frock it is characterised in that：The upper Founder of described pulley cross bar (6)
To being provided with two pulley vertical rods (13), the lower end of two described pulley vertical rods (13) respectively with two described pulley cross bars (6)
It is fixedly connected, between two described pulley vertical rods (13), be provided with described support fixed pulley (4), the described cunning supporting fixed pulley (4)
Wheel shaft two ends are fixedly connected with corresponding described pulley vertical rod (13) respectively.
3. according to claim 2 headrest pulling out force test frock it is characterised in that：Described lifting support includes upper pillar stand
(3) and lower pillar stand (2), at least two groups height adjusting holes (8) are provided with upper pillar stand (3), in lower pillar stand (2) along its length
On be provided with least two groups installing holes (9) along its length, wear while in any height adjusting holes (8) and installing hole (9)
It is provided with regulating bolt, be fixedly connected by regulating bolt between described lower pillar stand (2) and upper pillar stand (3).
4. according to claim 1 headrest pulling out force test frock it is characterised in that：Described base plate (1) is provided with multiple
Frock fixing hole (11).
5. according to claim 2 headrest pulling out force test frock it is characterised in that：Two described pulley vertical rods (13) two
Side is respectively equipped with reinforced pull rod (14), and this reinforced pull rod (14) one end is fixedly connected with described pulley vertical rod (13), described reinforcement
Pull bar (14) other end is fixedly connected with corresponding described pulley cross bar (6).
6. according to claim 3 headrest pulling out force test frock it is characterised in that：The two of two described upper pillar stands (3)
Side is respectively equipped with reinforcement strut (15), and described reinforcement strut (15) one end is fixedly connected with described upper pillar stand (3), described strengthening support
Bar (15) other end is fixedly connected with corresponding described pulley cross bar (6).
7. according to claim 3 headrest pulling out force test frock it is characterised in that：Described upper pillar stand (3) is two, two
The upper end of upper pillar stand described in root (3) is connected with two described pulley cross bars (6) respectively, and described lower pillar stand (2) is two, two institutes
State lower pillar stand (2) to be connected with two described upper pillar stands (3) respectively, be fixedly connected between two lower pillar stands (2), two upper pillar stands
(3) it is fixedly connected between.
8. according to claim 1 headrest pulling out force test frock it is characterised in that：The lower section of described base plate (1) is provided with
Road wheel (12).
9. according to claim 8 headrest pulling out force test frock it is characterised in that：Described road wheel (12) is universal
Wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670844.1U CN205940833U (en) | 2016-06-30 | 2016-06-30 | Headrest withdrawal force test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670844.1U CN205940833U (en) | 2016-06-30 | 2016-06-30 | Headrest withdrawal force test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940833U true CN205940833U (en) | 2017-02-08 |
Family
ID=57930991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670844.1U Expired - Fee Related CN205940833U (en) | 2016-06-30 | 2016-06-30 | Headrest withdrawal force test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024496A (en) * | 2019-11-28 | 2020-04-17 | 中国建筑第八工程局有限公司 | Force transmission device for anti-pulling test and detection method thereof |
-
2016
- 2016-06-30 CN CN201620670844.1U patent/CN205940833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024496A (en) * | 2019-11-28 | 2020-04-17 | 中国建筑第八工程局有限公司 | Force transmission device for anti-pulling test and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee after: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee before: CHONGQING YANFENG JOHNSON CONTROLS AUTOMOBILE PARTS SYSTEMS, Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |