CN206531631U - Office chair backrest fatigue strength test device - Google Patents
Office chair backrest fatigue strength test device Download PDFInfo
- Publication number
- CN206531631U CN206531631U CN201720026179.7U CN201720026179U CN206531631U CN 206531631 U CN206531631 U CN 206531631U CN 201720026179 U CN201720026179 U CN 201720026179U CN 206531631 U CN206531631 U CN 206531631U
- Authority
- CN
- China
- Prior art keywords
- backrest
- office chair
- fatigue strength
- test device
- strength test
- Prior art date
- 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.)
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Abstract
The utility model is related to a kind of office chair backrest fatigue strength test device, including L-shaped rack, the L bracket has horizontal underframe and vertical supporting frame, cylinder is provided with above the vertical supporting frame, reductor is installed on the outside of vertical supporting frame, opposite side in vertical support frame relative to reductor is fixed with operator control panel, the reductor and cylinder are electrically connected with operator control panel, test platform is provided with the outboard end of the horizontal underframe, support base is fixed with the test platform, the edge of the support base is connected by tight lock collar I with test platform, the middle part of support base connects the retaining arm of backrest intermediate supports by bindiny mechanism, backrest top is provided with drawing back of the body loading fixture, it is described to draw back of the body loading fixture to be connected with bandage, the bandage is connected with cylinder.The utility model simulation human body is sitting in the action leaned back on chair, tests the performance of back, simple in construction, reasonable in design, dismounting, easy to maintenance.
Description
Technical field
The utility model is related to a kind of office chair backrest fatigue strength test device.
Background technology
BIFMA canonical actions are to give producer, specification stipulator and assessing the safety of general service office chair with family
Appropriate on degree, durability and structure when spending can basis some common benchmark.General service office chair is assessed in the narration of this standard
Method, the material that manufacture is not concerned, production process, Machine Design or aesthetics design.This standard is to general service office chair
Fc-specific test FC, the Laboratory Instruments that can be used, test case, assess various minimum acceptable levels and make definitions.
Abroad, there is so a full set of test equipment on the production line of general service office chair, and do not have also at home
There is such equipment, even if introducing, the production cost of office chair can increase, and operation and maintenance is also cumbersome.Industry now
Quickly grow, such a office chair is all that different manufacturers produce different parts, finally assembles, has not only saved production energy
Source, and accelerate production.For office chair back by needing to carry out testing fatigue and strength test, testing fatigue is to be used to assess
Chair is for by tired pressure and friction, capability caused by the power of backrest is loaded on backward, strength test is to be used to assess chair
To the ability being stressed, the pressure of the chair back is put on when pressing to backrest backward in simulation use, so this two tests are can be with
Concentrate in a test equipment and complete.
Utility model content
The technical problems to be solved in the utility model is：Based on above mentioned problem, there is provided a kind of office chair backrest fatigue strength
Test device.
The utility model solves the technical scheme that its technical problem used：A kind of office chair backrest fatigue strength test
Equipment, including L-shaped rack, the L-shaped rack has is provided with gas above horizontal underframe and vertical supporting frame, the vertical supporting frame
The opposite side being provided with the outside of cylinder, vertical supporting frame in reductor, vertical support frame relative to reductor is fixed with operator control panel,
The reductor and cylinder are electrically connected with operator control panel, and test platform, the examination are provided with the outboard end of the horizontal underframe
Test and support base is fixed with platform, the edge of the support base is connected by tight lock collar I with test platform, in support base
Portion connects the retaining arm of backrest intermediate supports by bindiny mechanism, and backrest top is provided with drawing back of the body loading fixture, the drawing back of the body loading
Fixture is connected with bandage, and the bandage is connected with cylinder.
Specifically, the support base is the cross bar and montant in the square frame that band is kept a foothold, framework with square crossing, horizontal
Bar and montant infall are provided with fixed block, and the centre of the fixed block is provided with jack.
Again specifically, bindiny mechanism is fitted with the jack, the bindiny mechanism includes column and is fixed on column top
The contiguous block at end, one end of the contiguous block offers link slot.
Specifically, it is described to draw back of the body loading fixture to include being arranged on the positive support bar of backrest, on the support bar
And fix bandage on the locking plate II, the locking plate II of backrest opposite side.
Specifically, the horizontal underframe has support bar, and the end of support bar is fixed with deflector roll, the vertical supporting frame
Bottom is connected with some deflector rolls and pressure roller.
Specifically, horizontal underframe and vertical supporting the frame intersection is provided with protection baffle plate.Protection baffle plate is set to prevent from tying up
Cause the injury to tester with surprisingly coming off.
Specifically, the bottom of the L-shaped rack is provided with lower margin.
The beneficial effects of the utility model are：The utility model simulation human body is sitting in the action leaned back on chair, surveys
Try back performance, it is simple in construction, it is reasonable in design, dismounting, it is easy to maintenance.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural representations of the Fig. 1 on A directions.
In figure：1.L shape frames, 2. cylinders, 3. reductors, 4. operator control panels, 5. test platforms, 6. support bases, 7. locking plates
I, 8. backrests, 9. drawing back of the body loading fixtures, 10. bandages, 11. horizontal underframes, 12. vertical supporting framves, 13. columns, 14. contiguous blocks,
15. deflector roll, 16. pressure rollers, 17. protection baffle plates, 18. lower margins, 61. cross bars, 62. montants, 63. fixed blocks, 64. jacks, 91. supports
Bar, 92. locking plate II, 111. support bars, 141. link slots.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As shown in Fig. 1~2, a kind of office chair backrest fatigue strength test device, including L-shaped rack 1, L shapes frame 1 has
There are horizontal underframe 11 and vertical supporting frame 12, the top of vertical supporting frame 12 is provided with cylinder 2, and the outside of vertical supporting frame 12 is provided with
Opposite side in reductor 3, vertical support frame 12 relative to reductor 3 is fixed with operator control panel 4, reductor 3 and cylinder 2 with behaviour
Make screen 4 to electrically connect, be provided with the outboard end of horizontal underframe 11 on test platform 5, test platform 5 and be fixed with support base 6, support
The edge of seat 6 is connected by tight lock collar I7 with test platform 5, and the middle part of support base 6 is connected in backrest 8 by bindiny mechanism
Between the retaining arm that supports, the top of backrest 8 draws back of the body loading fixture 9 to be connected with bandage 10 provided with back of the body loading fixture 9 is drawn, bandage 10 with
Cylinder 2 is connected.
As shown in Fig. 2 support base 6 is the square frame that band is kept a foothold, the cross bar 61 and montant in framework with square crossing
62, cross bar 61 and the infall of montant 62 are provided with fixed block 63, and the centre of fixed block 63 is provided with jack 64.The company of being fitted with jack 64
Connection mechanism, bindiny mechanism includes column 13 and is fixed on the contiguous block 14 on the top of column 13, and one end of contiguous block 14 offers company
Access slot 141.
Back of the body loading fixture 9 is drawn to include being arranged on the positive support bar 91 of backrest 8, on support bar 91 and positioned at backrest
Bandage 10 is fixed on the locking plate II92 of opposite side, locking plate II92.
Horizontal underframe 11 has support bar 111, and the end of support bar 111 is fixed with deflector roll 15, vertical supporting frame 12
Portion is connected with some deflector rolls 15 and pressure roller 16.Horizontal underframe 11 and vertical supporting frame 12 intersection is provided with protection baffle plate 17, L-shaped machine
The bottom of frame 1 is provided with lower margin 18.
During concrete operations, position of the adjustment support base 6 on experiment porch 5 is fixed by locking plate I7, connects machine
The column 13 of structure is inserted in the jack 64 of fixed block 63, by bolt by retaining arm one end of the intermediate supports of backrest 8 with being connected
Block 14 is connected, and drawing back of the body loading fixture 9 is installed on the top of backrest 8, and the one end of bandage 10 connection locking plate II92, the other end is passed through
Deflector roll 15 and pressure roller 16 are connected with cylinder 2, are controlled reductor 3 and cylinder 4 to reach the parameter for needing to test by operator control panel 4, are entered
Fatigue of the row to backrest 8, strength test, the output strength of cylinder 2 vertically apply on backrest 8 repeatedly, time that record backrest 8 is tested
Number, assesses the performance of backrest 8.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (7)
1. a kind of office chair backrest fatigue strength test device, it is characterised in that：Including L-shaped rack (1), the L-shaped rack (1)
With horizontal underframe (11) and vertical supporting frame (12), cylinder (2), vertical supporting frame are provided with above the vertical supporting frame (12)
(12) opposite side in reductor (3), vertical support frame (12) relative to reductor (3) is installed on the outside of and is fixed with operator control panel
(4), the reductor (3) and cylinder (2) are electrically connected with operator control panel (4), are set on the outboard end of the horizontal underframe (11)
Have and support base (6) is fixed with test platform (5), the test platform (5), the edge of the support base (6) passes through tight lock collar I
(7) it is connected with test platform (5), the middle part of support base (6) connects the holding of backrest (8) intermediate supports by bindiny mechanism
Arm, backrest (8) top is described to draw back of the body loading fixture (9) to be connected with bandage (10), the bandage provided with back of the body loading fixture (9) is drawn
(10) it is connected with cylinder (2).
2. office chair backrest fatigue strength test device according to claim 1, it is characterised in that：The support base (6)
There is the cross bar (61) and montant (62) of square crossing, cross bar (61) and montant (62) in the square frame kept a foothold for band, framework
Infall is provided with fixed block (63), and the centre of the fixed block (63) is provided with jack (64).
3. office chair backrest fatigue strength test device according to claim 2, it is characterised in that：In the jack (64)
Bindiny mechanism is fitted with, the bindiny mechanism includes column (13) and is fixed on the contiguous block (14) on column (13) top, described
One end of contiguous block (14) offers link slot (141).
4. office chair backrest fatigue strength test device according to claim 1, it is characterised in that：It is described to draw back of the body loading system
Having (9) includes being arranged on backrest (8) positive support bar (91), on the support bar (91) and positioned at backrest opposite side
Locking plate II (92), fix bandage (10) on the locking plate II (92).
5. office chair backrest fatigue strength test device according to claim 1, it is characterised in that：The horizontal underframe
(11) there is support bar (111), the end of support bar (111) is fixed with deflector roll (15), the bottom of the vertical supporting frame (12)
It is connected with some deflector rolls (15) and pressure roller (16).
6. office chair backrest fatigue strength test device according to claim 1, it is characterised in that：The horizontal underframe
(11) it is provided with vertical supporting frame (12) intersection and protects baffle plate (17).
7. office chair backrest fatigue strength test device according to claim 1, it is characterised in that：The L-shaped rack (1)
Bottom be provided with lower margin (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026179.7U CN206531631U (en) | 2017-01-10 | 2017-01-10 | Office chair backrest fatigue strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026179.7U CN206531631U (en) | 2017-01-10 | 2017-01-10 | Office chair backrest fatigue strength test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531631U true CN206531631U (en) | 2017-09-29 |
Family
ID=59918621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720026179.7U Active CN206531631U (en) | 2017-01-10 | 2017-01-10 | Office chair backrest fatigue strength test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206531631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030052A (en) * | 2018-07-31 | 2018-12-18 | 莱茵技术监督服务（广东）有限公司 | A kind of office chair rides vertical static load detection device |
-
2017
- 2017-01-10 CN CN201720026179.7U patent/CN206531631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030052A (en) * | 2018-07-31 | 2018-12-18 | 莱茵技术监督服务（广东）有限公司 | A kind of office chair rides vertical static load detection device |
| CN109030052B (en) * | 2018-07-31 | 2024-04-05 | 莱茵技术监督服务（广东）有限公司 | Vertical static load detection device is stepped on to office chair pedal |
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