CN206132408U - Novel back of chair test testing machine - Google Patents
Novel back of chair test testing machine Download PDFInfo
- Publication number
- CN206132408U CN206132408U CN201620860017.9U CN201620860017U CN206132408U CN 206132408 U CN206132408 U CN 206132408U CN 201620860017 U CN201620860017 U CN 201620860017U CN 206132408 U CN206132408 U CN 206132408U
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- CN
- China
- Prior art keywords
- movable plate
- vertical frame
- frame body
- cylinder
- chair back
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a novel back of chair test testing machine, including test platform, cylinder, the perpendicular support body that is perpendicular setting and the crossbearer body, it is equipped with locating component from top to bottom to erect the support body, locating component around the crossbearer body is equipped with, the cylinder is connected with the pulling force area, perpendicular support body slides and is connected with the movable plate, movable plate and cylinder bottom fixed connection, the movable plate is worn to establish and threaded connection has the fastener, the fastener supports tightly in erecting the support body the utility model provides a can be with the test stable novel back of chair test testing machine of the stable connection of cylinder on erecting the support body, in the improvement process of the test.
Description
Technical field
This utility model is related to chair back test equipment field, more particularly to a kind of novel chair back testing experiment machine.
Background technology
Office chair draws fatigue strength test of inclining behind：Fixed office chair caster, seat apply the load of simulation people's weight, then
Load is applied to the chair back by fixed frequency setting is thrown, autostop after the action frequency of setting is reached, is assessed the quality of product.
The patent document of China Patent Publication No. CN 202582887 discloses a kind of novel chair back long duration test Rack Body
Top be provided with cylinder, cylinder is provided with sensor, and cylinder is fixed on movable stand, and movable stand is provided with scroll wheel, movable stand
Horizontally slipped on support body by scroll wheel, movable stand is provided with the lifting positioning component that can slide up and down, pull strap passes through fixed
After pulley, Jing liftings positioning component, any one part in front and back in positioning component, No. two test suites constitute drive mechanism, rise
The other end of drop positioning component is connected with cylinder delivery, and the bottom of support body is provided with test platform.Although above-mentioned technical proposal reality
Show movable stand moving left and right on support body, but be being slidably connected realizing by the slide rail on scroll wheel and support body,
In process of the test, the frictional force that cylinder will produce the effect of power, roller and slide rail to movable stand is little, in process of the test,
Cylinder will apply an outside pulling force to movable stand by pull strap, may result in movable stand and produce movement, so as to just
The accuracy of test data can be reduced, and testing machine will carry out being embedded for multiple Reusability, roller and slide rail and coordinate loosely
Gu, and the pulling force effect of the pull strap for easily being driven by cylinder after a period of use causes disengaging, so as to
Equipment is made to become to use.
Utility model content
The purpose of this utility model is to provide a kind of novel chair back testing experiment machine, wears and is threadedly coupled by being arranged on
Securing member on movable plate, can be connected to stabilizer cylinder on vertical frame body, improve the measuring stability in process of the test.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of novel chair back test
Testing machine, including test platform, cylinder, the vertical frame body being vertical setting and crossbearer body, the vertical frame body are provided with positioning group up and down
Part, the crossbearer body are provided with before and after's positioning component, and the cylinder is connected with pull strap, and the vertical frame body sliding is connected with movement
Plate, the movable plate are fixedly connected with cylinder bottom, and the movable plate wears and be threaded with securing member, and the securing member is supported
Tightly in vertical frame body.
By adopting above-mentioned technical proposal, connect cylinder using the movable plate pushed against on vertical frame body, and be different from existing
Have in technology by roller to drive cylinder to move, will move while also relying on and wearing and be threadedly connected to the securing member of movable plate
Dynamic plate is fixed on vertical frame body, is conducive to slide block that a stable fixation is carried out after having adjusted, so that test result is more
For accurate；In prior art, roller is coordinated in rolling with support body, and is coordinated in sliding between movable plate and vertical frame body, and then both
Between frictional force increase, so as to improve the connective stability of movable plate；Because securing member is arranged in movable plate, securing member is pushed against
In vertical frame body, a downward power is applied to movable plate, so movable plate is difficult to be moved in process of the test, and then improved
The accuracy of test result.
This utility model is further arranged to：The vertical frame body is provided with the chute being set in parallel with its width, institute
State movable plate lower surface and contact at vertical frame body surface face, the securing member is embedded at chute and pushes against in chute bottom surface, the fastening
Part outer wall contacts at chute wall.
By adopting above-mentioned technical proposal, acted on using conflict of the side wall of chute to securing member outer wall, cunning can be increased
Frictional force between groove sidewall and securing member, plays a conflict clamping action to securing member；Meanwhile, it is capable to the shifting to movable plate
It is dynamic to carry out guide and limit, limit degree of freedom of the movable plate on vertical frame body width.
This utility model is further arranged to：The movable plate is rectangular, and the movable plate is equipped with countersunk head at four angles
Hole, is threaded with securing member in four counter sinks.
By adopting above-mentioned technical proposal, using the securing member at four angles of movable plate come four angles to movable plate simultaneously
Fastening effect is played, and movable plate can be firmly secured on vertical frame body, uniform coupling mechanism force is applied with to movable plate；And
The upper surface in counter sink is pushed against using securing member, so as to apply a downward power to movable plate, movable plate is pushed against in perpendicular
On support body, so as to improve the stability connected between movable plate and vertical frame body, movable plate is made to be difficult to depart from from vertical frame body, and then
Improve test accuracy.
This utility model is further arranged to：The movable plate is equipped with the mobile guide roller being vertically arranged, the shifting
Action-oriented roll end is pushed against in vertical frame body.
By adopting above-mentioned technical proposal, push against in the effect of vertical frame body by mobile guide roller, further can increase
Adhesion between movable plate and vertical frame body, makes movable plate be difficult to be moved on vertical frame body.
This utility model is further arranged to：The vertical frame body is provided with the caulking groove being set in parallel with its width,
The mobile guide roller is embedded and sliding is connected to caulking groove.
By adopting above-mentioned technical proposal, clamping conflict effect is played using caulking groove to the outer wall of mobile guide roller,
So as to increase the frictional force between movable plate and vertical frame body, and then can just improve the connective stability of movable plate.
This utility model is further arranged to：The V-shaped setting in the chute section.
By adopting above-mentioned technical proposal, by the section of V-arrangement, conflict power of the chute to securing member can be increased, be made tight
Firmware is difficult to move in chute, so as to avoid securing member from departing from chute, also it is avoided that movable plate departs from chute.
This utility model is further arranged to：Wear on the mobile guide roller and sliding is connected with movable block, the shifting
Motion block side is connected to cylinder piston rod and opposite side is connected to pull strap.
By adopting above-mentioned technical proposal, using the movable block being located on mobile guide roller, make the piston rod of cylinder straight
Connect and force in movable block again to pull pull strap, and avoid making pull strap directly act on cylinder piston rod, it is to avoid pull strap exists
Can be moved in drawing process, pull strap is distributed to the pulling force of movable block on mobile guide roller, reduce pull strap to moving
Dynamic plate produces pulling force, so as to improve connective stability of the cylinder between vertical frame body.
In sum, this utility model has the advantages that：With reference to four counter sinks on movable plate and wear
Securing member in counter sink, then chute is embedded at by securing member, guide roller is embedded at gathering sill, increases movable plate and erects
Connection adhesion between support body, so as to increase the connective stability of movable plate and vertical frame body, it is to avoid movable plate can be in test
During depart from or move on vertical frame body.
Description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is that the present embodiment is mainly used in embodying the structural representation of movable plate；
Fig. 3 is the I portions enlarged drawing of Fig. 2；
Fig. 4 is the II portions enlarged drawing of Fig. 2.
Reference：1st, test platform；2nd, cylinder；3rd, vertical frame body；4th, crossbearer body；401st, short connecting rod；402nd, long connection
Bar；403rd, support bar；5th, upper and lower positioning component；6th, positioning component in front and back；7th, chute；8th, mobile guide roller；9th, caulking groove；10、
Screwed hole；11st, pressing plate；12nd, screw rod；13rd, screw handle；14th, baffle plate；15th, load plate；16th, contiguous block；17th, movable block；18、
Break-in axle；19th, horizontal guide roller；20th, vertical guide roller 21, pull strap；22nd, movable plate；221st, securing member；222nd, counter sink；23rd, join
Axle device.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
A kind of novel chair back testing experiment machine, with reference to shown in Fig. 1, including the vertical frame body 3 and crossbearer body 4 that are vertical setting,
, in being vertically arranged, crossbearer body 4 is in horizontally disposed for vertical frame body 3；Crossbearer body 4 includes upper and lower two-layer, and per layer by two short connecting rods
401 and two long connecting rods 402 be connected with each other and constituted, by the support being vertically arranged at four angles between upper and lower two-layer
Bar 403 is connected；A surface is connected with horizontally disposed test platform 1 in upper strata one end of crossbearer body 4；Test platform 1
For one block of steel plate, the level ground in reality is simulated；Two are provided with the lower floor of crossbearer body 4 to be parallel to each other and and crossbearer
The horizontal guide roller 19 that the length direction of body 4 is set in parallel；Wear on two horizontal guide rollers 19 and sliding is connected with and determines in front and back
Hyte part 6.
Be vertically connected with a vertical frame body 3 in the side of crossbearer body 4, vertical frame body 3 also has a two-layer in front and back, each layer by
Two short connecting rods 401 and long connecting rod 402 are interconnected to constitute；Two are provided with front layer of the vertical frame body 3 near 4 side of crossbearer body
The vertical guide roller 20 that root is parallel to each other and is set in parallel with the short transverse of vertical frame body 3；Wear on two vertical guide rollers 20
And sliding is connected with upper and lower positioning component 5.
Shown in reference picture 2-3, it is equipped with the short connecting rod 401 of the rear layer upper and lower ends of crossbearer body 4 in vertical frame body 3
Two chutes 7 being set in parallel with 4 width of crossbearer body, the section of chute 7 is in V-shape；It is provided between two chutes 7
One caulking groove 9 being set in parallel with 4 width of crossbearer body, the width of caulking groove 9 are more than the width of chute 7；It is short at this
401 upper surface sliding of connecting rod is connected with a block length cube movable plate 22, and 22 lower surface of movable plate is pushed against in vertical frame body 3；Moving
A counter sink 222 is offered at four angles of dynamic plate 22, counter sink 222 has a step surface；In counter sink 222
Securing member 221 is threaded with, 221 bottom of securing member is pushed against in the bottom surface of chute 7, and the outer wall of securing member 221 contacts at chute 7
Side wall.
Two are equipped with movable plate 22 in the mobile guide roller 8 that is vertically arranged, the bottom of mobile guide roller 8 push against in
The bottom surface of caulking groove 9；It is in be vertically arranged that one is fixedly connected between two mobile guide rollers 8 in 22 upper surface of movable plate
Cylinder 2；Wear on two mobile guide rollers 8 and sliding is connected with a cuboid movable block 17；Under movable block 17
Surface is connected with a shaft coupling 23, and shaft coupling 23 is moved away from the top that the other end of block 17 is connected to 2 piston rod of cylinder；
Movable block 17 is provided with the draw ring that a confession wears fixed pull strap 21 away from the side of cylinder 2；In the movable plate of 3 upper end of vertical frame body
A cuboid limited block is also associated with 22, limited block offers a stopper slot, in stopper slot in two for being oppositely arranged
A break-in axle 18 is rotatably connected between the wall of side, two spacing groove sidewalls contact at two sides of pull strap 21, pull strap 21
Surface contact at the surface of break-in axle 18.
With reference to shown in Fig. 1, multiple screwed holes 10 are provided with test platform 1, and two are provided with test platform 1
For fixing the fixing device of chair leg, fixing device includes pressing plate 11, waist type groove has been opened up on pressing plate 11, wears in waist type groove group
Screw rod 12 is provided with, 12 bottom of screw rod is threadedly coupled with the screwed hole 10 on test platform 1, in pressing plate 11 away from test platform
Have on 1 one side surfaces one wear screw rod 12 screw handle 13, screw handle 13 and be threadedly coupled with screw rod 12, by screwing
Handle 13 is rotated, and handle bottom can be made to carry out with pressing plate 11 inconsistent, so that pressing plate 11 is near 1 side of test platform
Surface is inconsistent with chair leg, makes chair not to be moved in process of the test.And also in test platform 1 near vertical frame body 3
There is baffle plate 14, for a positioning in front and back is carried out to chair to be measured, make the pulley of chair to be measured prop up baffle plate 14.In addition, to be measured
A loading blocks are connected on the chair back of chair, loading blocks include two pieces of load plates 15, and two pieces of load plates 15 are clipped in the middle the chair back,
And screwed hole 10 is provided with load plate 15, screw rod 12 is worn into two pieces of screwed holes 10, using wearing screwing for screw rod 12
Handle 13 makes two pieces of load plates 15 clamp the chair back, and in the load plate 15 of 2 side of cylinder is being provided with a contiguous block
16, pull strap 21 is located on contiguous block 16, so as to pass through the effect of cylinder 2, just the chair back can be pulled past pull strap 21
After push, pressure of the human body to the chair back in simulating reality situation makes the chair back be shaken repeatedly.
Method of testing of the present utility model, comprises the steps：
1）First, pull strap 21 is stretched out from 2 piston cylinder of cylinder, by break-in axle 18, bypasses positioning group up and down successively
Part 5 and in front and back positioning component 6；
2）Chair bottom to be measured is fixed on chair on test platform by two groups of fixing devices, loading is installed on the chair back
Block, 21 one end of pull strap is fixed in loading blocks；
3）Adjust up and down, the position respectively on perpendicular, horizontal guide roller 19 of positioning component 6 in front and back, so as to adjust pull strap 21
Pull the angle of the chair back；
4）Switch is opened, starts cylinder 2,2 piston rod of cylinder pulls downward on pull strap 21 and the chair back pushed to simulate,
Pull once, upwards, the chair back resets 2 piston rod of cylinder, completes a circulation.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (7)
1. a kind of novel chair back testing experiment machine, including test platform（1）, cylinder（2）, the vertical frame body that is vertical setting（3）With
Crossbearer body（4）, the vertical frame body（3）It is provided with upper and lower positioning component（5）, the crossbearer body（4）It is provided with before and after's positioning component（6）,
The cylinder（2）It is connected with pull strap（21）, it is characterized in that：The vertical frame body（3）Sliding is connected with movable plate（22）, the shifting
Dynamic plate（22）With cylinder（2）Bottom is fixedly connected, the movable plate（22）Wear and be threaded with securing member（221）, it is described
Securing member（221）Push against in vertical frame body（3）.
2. a kind of novel chair back testing experiment machine according to claim 1, is characterized in that：The vertical frame body（3）Be provided with
The chute that its width is set in parallel（7）, the movable plate（22）Lower surface contacts at vertical frame body（3）Surface, it is described tight
Firmware（221）It is embedded at chute（7）And push against in chute（7）Bottom surface, the securing member（221）Outer wall contacts at chute（7）Side
Wall.
3. a kind of novel chair back testing experiment machine according to claim 2, is characterized in that：The movable plate（22）In square
Shape, the movable plate（22）Counter sink is equipped with four angles（222）, four counter sinks（222）Inside it is threaded with
Securing member（221）.
4. a kind of novel chair back testing experiment machine according to claim 1, is characterized in that：The movable plate（22）It is equipped with
In the mobile guide roller being vertically arranged（8）, the mobile guide roller（8）End is pushed against in vertical frame body（3）.
5. a kind of novel chair back testing experiment machine according to claim 4, is characterized in that：The vertical frame body（3）Be provided with
The caulking groove that its width is set in parallel（9）, the mobile guide roller（8）It is embedded and sliding is connected to caulking groove（9）.
6. a kind of novel chair back testing experiment machine according to claim 2, is characterized in that：The chute（7）Section is V-shaped
Arrange.
7. a kind of novel chair back testing experiment machine according to claim 4, is characterized in that：The mobile guide roller（8）On
Wear and sliding is connected with movable block（17）, the movable block（17）Side is connected to cylinder（2）Piston rod and opposite side connection
In pull strap（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860017.9U CN206132408U (en) | 2016-08-10 | 2016-08-10 | Novel back of chair test testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860017.9U CN206132408U (en) | 2016-08-10 | 2016-08-10 | Novel back of chair test testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132408U true CN206132408U (en) | 2017-04-26 |
Family
ID=58564369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860017.9U Expired - Fee Related CN206132408U (en) | 2016-08-10 | 2016-08-10 | Novel back of chair test testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358385A (en) * | 2021-05-13 | 2021-09-07 | 杭州电子科技大学 | Fatigue test system and method for seat multi-linkage mechanism |
-
2016
- 2016-08-10 CN CN201620860017.9U patent/CN206132408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358385A (en) * | 2021-05-13 | 2021-09-07 | 杭州电子科技大学 | Fatigue test system and method for seat multi-linkage mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |