CN103926531A - Knob test device - Google Patents
Knob test device Download PDFInfo
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- CN103926531A CN103926531A CN201410156353.0A CN201410156353A CN103926531A CN 103926531 A CN103926531 A CN 103926531A CN 201410156353 A CN201410156353 A CN 201410156353A CN 103926531 A CN103926531 A CN 103926531A
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- knob
- fixture
- shaft
- slide block
- spring flexible
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Abstract
The invention discloses a knob test device which is characterized by comprising a clamp, an elastic shaft, a linear test mechanism and a rotating test mechanism. The clamp is fixed to a knob, and the first end of the elastic shaft is connected to the clamp. The linear test mechanism comprises a linear driving device and a linear transmission device. The linear transmission device is installed on the elastic shaft, and the linear driving device exerts drive force to drive the linear transmission device to move along a straight line, overcomes the elastic force of the elastic shaft and makes contact with the clamp. The knob is pressed through the clamp, so that the linear driving device withdraws the driving force, and the linear transmission device is reset under the elastic force of the elastic shaft and is separated from the clamp. The rotating test mechanism comprises a rotating driving device and a rotating transmission device. The rotating transmission device is connected between the second end of the elastic shaft and the rotating driving device, the rotating driving device drives the rotating transmission device to rotate, and the knob is driven to rotate through the elastic shaft and the clamp.
Description
Technical field
The present invention relates to auto parts and components measuring technology, more particularly, relate to the test unit of the knob in automobile center console parts.
Background technology
Automobile center console parts are the mutual important component parts of people's car, directly have influence on the use impression of vehicle.At present, the application of integrated knob is more and more extensive, at aspects such as the multimedia player of console, air-conditioning controls, has a lot of application.Integrated knob refers to that knob possesses two kinds of functions: integral-rotation and integral body are pressed, and knob both can be rotated, and can be pressed again, rotates and presses corresponding different operations.
The frequency of utilization of integrated knob is very high, so its permanance is an important ring of the integrated knob quality of impact.Because integrated knob has two kinds of working methods: press and rotate, when carrying out durable row test, two kinds of working methods all need to test.In existing measuring technology, straight line is pressed test and rotary test and is carried out together with cannot be on an equipment, need to use different equipment realizations.This has just caused the complicated of test process, and need to repeatedly to knob to be tested, carry out dismounting and be connected with testing apparatus, makes the cycle of test and cost all be forced to promote.
Summary of the invention
The present invention is intended to propose a kind of knob test unit, can on an equipment, realize straight line and press test and rotary test.
According to one embodiment of the invention, a kind of knob test unit is proposed, it is characterized in that, comprise fixture, elastic shaft, straight line mechanism for testing and rotary test mechanism.
Fixture is fixed on knob.The first end of elastic shaft is connected to fixture.Straight line mechanism for testing comprises linear drive apparatus and linear transmission, linear transmission is arranged on elastic shaft, linear drive apparatus applies drive force linear transmission along traveling priority, overcome the elastic force of elastic shaft and contact with fixture, by fixture, press knob, linear drive apparatus is cancelled driving force, and linear transmission is resetted by the elastic force of elastic shaft and be separated with fixture.Rotary test mechanism comprises rotating driving device and rotary actuator, and rotary actuator is connected between second end and rotating driving device of elastic shaft, and rotating driving device drives rotary actuator rotation, by elastic shaft and fixture, drives knob to rotate.
In one embodiment, fixture is cylindrical, first end opening, the second end sealing, knob is put into fixture by the first end of fixture, on the sidewall of fixture, there is set bolt, set bolt screws fixture is fixed on knob, and the second end of fixture has projection, and projection is connected with the first end of elastic shaft.
In one embodiment, elastic shaft is spring flexible shaft, and the first end of spring flexible shaft is fixed in the projection of the second end of fixture, and the second end of spring flexible shaft is fixed on the first end of rotary actuator.
In one embodiment, linear transmission comprises bracing frame and slide block, slide block is slidably mounted on bracing frame, bracing frame supporting slide block, slide block inside has cavity, and the second end forms ring flange, and spring flexible shaft is placed in cavity, the two ends of spring flexible shaft extend to outside slide block and are connected with rotary actuator with fixture respectively, and spring flexible shaft is fixed at the second end and the slide block of slide block; Spring flexible shaft is in original state, and the first end of slide block is separated with the second end of fixture.
In one embodiment, linear drive apparatus comprises cylinder, tracheae and cylinder rams, it is cylinder air feed that tracheae is connected to cylinder, cylinder drives cylinder rams to stretch out, the ring flange of cylinder rams contact slipper applies driving force, and driving force is greater than the elastic force of spring flexible shaft, and spring flexible shaft is compressed and slide block is driven by cylinder rams and slides, the second end in contact of the first end of slide block and fixture, fixture is pressed knob; Cylinder drives cylinder rams to shrink, and cylinder rams is separated with the ring flange of slide block, cancels driving force, and spring flexible shaft is restPosed by its elastic force, and band movable slider resets, and the first end of slide block is separated with the second end of fixture.
In one embodiment, rotating driving device comprises stepper motor and universal joint; Rotary actuator is transmission shaft, and the first end of transmission shaft is connected with the second end of spring flexible shaft, and the second end of transmission shaft is connected to stepper motor by universal joint; Stepper motor drives transmission shaft to rotate by universal joint, then drives spring flexible shaft and fixture rotation, the rotation of fixture drive knob.
According to one embodiment of the invention, a kind of knob testing equipment is proposed, comprise several knob test units, this knob test unit is aforesaid knob test unit, several knob test units share a rotating driving device, and this rotating driving device drives the rotary actuator in each knob test unit by a synchronous device.
In one embodiment, synchronous device comprises several belt pulleys that connected by belt, and each belt pulley is connected to a rotary actuator, and one of them belt pulley is driving wheel, and driving wheel is also connected to rotating driving device; Rotating driving device drives driving wheel rotation, drives all belt pulleys to rotate together, to drive all rotary actuators to rotate together by belt.
In one embodiment, synchronous device also comprises an expansion tightening wheel, and expansion tightening wheel is serially connected in belt.
Knob test unit of the present invention can be realized straight line simultaneously and press test and rotary test in same equipment, and having solved these two kinds of tests in prior art cannot carry out defect simultaneously, after integrated, has simplified test procedure, has reduced testing cost.
Accompanying drawing explanation
It is more obvious that the above and other feature of the present invention, character and advantage become the description by below in conjunction with drawings and Examples, and identical Reference numeral represents identical feature all the time in the accompanying drawings, wherein:
Fig. 1 has disclosed according to the structural drawing of the knob test unit of one embodiment of the invention.
Fig. 2 has disclosed according to the structural drawing of fixture, elastic shaft, slide block and bracing frame in the knob test unit of one embodiment of the invention.
Fig. 3 has disclosed according to the structural drawing of the knob testing equipment of one embodiment of the invention, comprising two knob test units.
Fig. 4 has disclosed the schematic diagram that carries out straight line test according to the knob testing equipment of one embodiment of the invention, now in pressed state.
Fig. 5 has disclosed the schematic diagram that carries out straight line test according to the knob testing equipment of one embodiment of the invention, now in reset mode.
Fig. 6 has disclosed the schematic diagram that is rotated test according to one embodiment of the invention knob testing equipment.
Embodiment
Shown in figure 1, Fig. 1 has disclosed according to the structural drawing of the knob test unit of one embodiment of the invention.This knob test unit comprises: fixture, elastic shaft, straight line mechanism for testing and rotary test mechanism.
Fixture 102 is fixed on knob.Shown in Fig. 2, fixture 102 is cylindrical, first end opening, the second end sealing, and knob is put into fixture by the first end of fixture, has set bolt 121 on the sidewall of fixture 102, and set bolt 121 screws fixture 102 is fixed on knob.In illustrated embodiment, on the sidewall of fixture 102, there are 121, four set bolts of four set bolts and inwardly screw rear clamping knob, knob is firmly connected with fixture 102.The second end of fixture has projection 122, and projection 122 is connected with the first end of elastic shaft.
Elastic shaft is spring flexible shaft 103, and the first end of spring flexible shaft 103 is fixed in the projection 122 of the second end of fixture 102, and the second end of spring flexible shaft 103 is fixed on the first end of rotary actuator.In illustrated embodiment, the second end of spring flexible shaft 103 is fixed on the first end of the transmission shaft in rotary actuator.
Straight line mechanism for testing comprises linear drive apparatus and linear transmission, linear transmission is arranged on elastic shaft, linear drive apparatus applies drive force linear transmission along traveling priority, overcome the elastic force of elastic shaft and contact with fixture, by fixture, press knob, linear drive apparatus is cancelled driving force, and linear transmission is resetted by the elastic force of elastic shaft and be separated with fixture.In the embodiment shown in fig. 1, linear transmission comprises bracing frame 115 and slide block 104, and slide block 104 is slidably mounted on bracing frame 115, bracing frame 115 supporting slide blocks 104.Slide block 104 inside have cavity, and the second end of slide block 104 forms ring flange 141, and spring flexible shaft 103 is placed in the cavity of slide block 104.The two ends of spring flexible shaft 103 extend to outside slide block 104 and are connected with rotary actuator (transmission shaft) with fixture (projection of the second end) respectively, and spring flexible shaft 103 is fixing at position and the slide block 104 of the second end of slide block 104.Said structure can be with reference to figure 2.The object that spring flexible shaft 103 and slide block 104 is fixing is in order to utilize the elastic force band movable slider of spring flexible shaft to automatically reset.Spring flexible shaft 103 is original state (being the state of nature of spring flexible shaft), the first end of slide block 104 separated with the second end of fixture 102 (state as shown in Figure 1).
Linear drive apparatus comprises cylinder 114, tracheae 109 and cylinder rams 105.Tracheae 109 is connected to cylinder 114 for cylinder air feed, and cylinder 114 drives cylinder rams 105 stretch out or retract.Cylinder 114 drives cylinder rams 105 to stretch out, the ring flange 141 of cylinder rams 105 contact slippers 104 also applies driving force to ring flange 141, the driving force of cylinder rams 105 is greater than the elastic force of spring flexible shaft 103, spring flexible shaft is compressed and slide block 104 is driven by cylinder rams 105 and slides, the second end in contact of the first end of slide block 104 and fixture 102, fixture 102 is compressed by slide block, and then presses knob.Cylinder 114 drives cylinder rams 105 to shrink, and cylinder rams 105 is separated with the ring flange 141 of slide block 104, cancels driving force.Spring flexible shaft 103 is restPosed by the elastic force of himself, and then 104 resets of band movable slider, and after slide block 104 resets, first end is separated with the second end of fixture 102.
Rotary test mechanism comprises rotating driving device and rotary actuator, and rotary actuator is connected between second end and rotating driving device of elastic shaft, and rotating driving device drives rotary actuator rotation, by elastic shaft and fixture, drives knob to rotate.In illustrated embodiment, rotating driving device is stepper motor 108 and universal joint 107.Rotary actuator is transmission shaft 106.The first end of transmission shaft 106 is connected (can with reference to figure 2) with the second end of spring flexible shaft 103, the second end of transmission shaft 106 is connected to stepper motor 108 by universal joint 107.Stepper motor 108 drives transmission shaft 106 rotations by universal joint 107, then drives spring flexible shaft 103 and fixture 102 rotations, the rotation of fixture drive knob.
This knob test unit shown in Fig. 1 possesses straight reciprocating motion function and spinfunction simultaneously, can on same equipment, complete pressing durability test (straight reciprocating motion) and rotating durability test (rotatablely moving) knob.
In being connected of driving mechanism and fixture, knob test unit of the present invention adopts the elastic connection way of spring flexible shaft, replaces normally used stiff shaft connected mode in conventional art.Spring flexible shaft and stiff shaft comparison, have following advantage:
1) compare with stiff shaft, the effect of spring flexible shaft is similar to Universal-head, has improved the right alignment of mechanism and test specimen when rotatablely moving, and has reduced the difficulty of Installation and Debugging.
2) spring flexible shaft plays and is flexible coupling between piece fixture and transmission shaft, has simulated the operation of hand to knob when rotatablely moving, and makes test closer to real vehicle state.
3) when knob button straight line reset duty, utilized the reset function of spring self, make fixture get back to the initial position of test.
Consider on actual console; the quantity of integrated knob conventionally can be more than one; therefore the present invention also proposes a kind of knob testing equipment; comprise several knob test units; each knob test unit is knob test unit as the aforementioned; these several knob test units share a rotating driving device, and this rotating driving device drives the rotary actuator in each knob test unit by a synchronous device.Fig. 3 has disclosed according to the structural drawing of the knob testing equipment of one embodiment of the invention, and this knob testing equipment is applicable to test having the radio of two knobs, and this knob testing equipment comprises two knob test units.
As shown in Figure 3, this knob testing equipment is tested two of radio 301 knobs, and the radio that this kind has two knobs occupies higher ratio in auto parts and components.Thereby the knob testing equipment that this kind has two knob test units is also relatively commonly used.This knob testing equipment has two knob test units, and each knob test unit has fixture 302, elastic shaft (spring flexible shaft 303), bracing frame 315, slide block 304, cylinder 314, tracheae 309, cylinder rams 305, transmission shaft 306.Bracing frame 315 wherein and slide block 304 form linear transmission, cylinder 314, tracheae 309 and cylinder rams 305 and form linear drive apparatus, and linear transmission and linear drive apparatus form straight line mechanism for testing jointly.Transmission shaft 306 forms rotary actuator.Shown in figure 3, this knob testing equipment also comprises a synchronous device, synchronous device comprises several belt pulleys that connected by belt 316 310, and each belt pulley 310 is connected to a rotary actuator, and each belt pulley 310 is connected with a transmission shaft 306.One of them belt pulley is driving wheel, and in Fig. 3, belt pulley 310a is driving wheel, and driving wheel is also connected to rotating driving device.Rotating driving device comprises stepper motor 308 and universal joint 307.Stepper motor 308 drives driving wheel 310a to rotate by universal joint 307, and driving wheel 310a drives all belt pulleys 310 to rotate together by belt 316, to drive all rotary actuators (transmission shaft 306) to rotate together.This synchronous device also comprises an expansion tightening wheel 312, and expansion tightening wheel 312 is serially connected in belt 316.The effect of expansion tightening wheel 312 is by belt tension, makes all belt pulleys 310 can synchronous operation.
Fig. 4～Fig. 6 has disclosed the schematic diagram of testing according to the knob testing equipment of one embodiment of the invention.Wherein Fig. 4 carries out the schematic diagram in pressed state in the process of straight line test.Fig. 5 carries out the schematic diagram in reset mode in the process of straight line test.Fig. 6 is the schematic diagram that is rotated test.
As shown in Figure 4, tracheae 309 is to cylinder 314 air feed, and cylinder 314 drives cylinder rams 305 to stretch out, and the ring flange 341 on cylinder rams 305 contact slippers 304 also promotes slide block 304 slips, and slide block 304 contacts with fixture 302, by fixture 302, presses knob.In this process, spring flexible shaft 303 is compressed.
As shown in Figure 5, tracheae 309 stops to cylinder 314 air feed, and cylinder 314 drives cylinder rams 305 to retract, and cylinder rams 305 is separated with the ring flange 341 on slide block 304.The external force being now applied on spring flexible shaft 303 is cancelled, and spring flexible shaft 303 recovers natural length under the effect of self elastic force, and band movable slider 304 resets.Slide block 304 is separated with fixture 302, and knob is also no longer pressed.
Repeat the process shown in Fig. 4 and Fig. 5, can carry out linearly-reciprocating testing to knob, the durability test of pressing.
Shown in figure 6, stepper motor 308 drives the moving 310a of main wheel to rotate by universal joint 307, and driving wheel 310a, by belt 316 transmissions, drives all belt pulleys 310 to rotate together.Expansion tightening wheel 312 guarantees that belt 316 can not skid.Each belt pulley 310 drives respectively transmission shaft 306 rotations that are attached thereto, and by spring flexible shaft 303, drives fixture 302 rotations by transmission shaft 306, and fixture 302 drives knob rotation, carries out the rotation durability test of knob.Wherein the size of all belt pulleys 310 should be consistent, so that all belt pulleys can be with same speed rotation.Realize thus the equidirectional rotation durability test of synchronous constant speed of a plurality of knobs.
Knob test unit of the present invention combines two kinds of methods of operation of straight line and rotation on an equipment, has reduced the test period.Take full advantage of cylinder quick, reliably feature and step motor control accurately, the feature of smooth running.By synchronizer, can realize the rotary test that is simultaneously carried out the synchronous constant speed equidirectional of a plurality of knobs by a stepper motor.This knob test unit utilizes spring flexible shaft as elasticity universal driving shaft, improved the right alignment of mechanism and test specimen, reduced the difficulty of Installation and Debugging, spring flexible shaft plays and is flexible coupling between piece fixture and transmission shaft, the operation of artificial hand to knob when rotatablely moving, makes test closer to real vehicle state.
Knob test unit of the present invention can be realized straight line simultaneously and press test and rotary test in same equipment, and having solved these two kinds of tests in prior art cannot carry out defect simultaneously, has simplified test procedure, has reduced testing cost.
Above-described embodiment is to provide to being familiar with person in the art and realizes or use of the present invention; those skilled in the art can make various modifications or variation and not depart from invention thought of the present invention above-described embodiment; thereby protection scope of the present invention do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. a knob test unit, is characterized in that, comprises
Fixture, fixture is fixed on knob;
Elastic shaft, the first end of elastic shaft is connected to fixture;
Straight line mechanism for testing, comprise linear drive apparatus and linear transmission, linear transmission is arranged on elastic shaft, linear drive apparatus applies drive force linear transmission along traveling priority, overcome the elastic force of elastic shaft and contact with fixture, by fixture, press knob, linear drive apparatus is cancelled driving force, and linear transmission is resetted by the elastic force of elastic shaft and be separated with fixture;
Rotary test mechanism, comprises rotating driving device and rotary actuator, and rotary actuator is connected between second end and rotating driving device of elastic shaft, and rotating driving device drives rotary actuator rotation, by elastic shaft and fixture, drives knob to rotate.
2. knob test unit as claimed in claim 1, it is characterized in that, described fixture is cylindrical, first end opening, the second end sealing, knob is put into fixture by the first end of fixture, on the sidewall of fixture, has set bolt, and set bolt screws fixture is fixed on knob, the second end of fixture has projection, and described projection is connected with the first end of elastic shaft.
3. knob test unit as claimed in claim 2, is characterized in that, described elastic shaft is spring flexible shaft, and the first end of spring flexible shaft is fixed in the projection of the second end of fixture, and the second end of spring flexible shaft is fixed on the first end of rotary actuator.
4. knob test unit as claimed in claim 3, is characterized in that,
Described linear transmission comprises bracing frame and slide block, described slide block is slidably mounted on bracing frame, bracing frame supporting slide block, slide block inside has cavity, the second end forms ring flange, described spring flexible shaft is placed in described cavity, and the two ends of spring flexible shaft extend to outside slide block and are connected with rotary actuator with fixture respectively, and described spring flexible shaft is fixed at the second end and the slide block of slide block;
Wherein said spring flexible shaft is in original state, and the first end of slide block is separated with the second end of fixture.
5. knob test unit as claimed in claim 4, is characterized in that,
Described linear drive apparatus comprises cylinder, tracheae and cylinder rams, it is cylinder air feed that described tracheae is connected to cylinder, cylinder drives cylinder rams to stretch out, the ring flange of cylinder rams contact slipper applies driving force, driving force is greater than the elastic force of spring flexible shaft, spring flexible shaft is compressed and slide block is driven by cylinder rams and slides, the second end in contact of the first end of slide block and fixture, and fixture is pressed knob;
Cylinder drives cylinder rams to shrink, and cylinder rams is separated with the ring flange of slide block, cancels driving force, and spring flexible shaft is restPosed by its elastic force, and band movable slider resets, and the first end of slide block is separated with the second end of fixture.
6. rotation test device as claimed in claim 5, is characterized in that,
Described rotating driving device comprises stepper motor and universal joint;
Described rotary actuator is transmission shaft, and the first end of described transmission shaft is connected with the second end of spring flexible shaft, and the second end of described transmission shaft is connected to stepper motor by universal joint;
Stepper motor drives transmission shaft to rotate by universal joint, then drives spring flexible shaft and fixture rotation, the rotation of fixture drive knob.
7. a knob testing equipment, it is characterized in that, comprise several knob test units, described knob test unit is the knob test unit as described in any one in claim 1-7, several knob test units share a rotating driving device, and this rotating driving device drives the rotary actuator in each knob test unit by a synchronous device.
8. knob test unit as claimed in claim 7, it is characterized in that, described synchronous device comprises several belt pulleys that connected by belt, and each belt pulley is connected to a rotary actuator, one of them belt pulley is driving wheel, and driving wheel is also connected to rotating driving device;
Rotating driving device drives driving wheel rotation, drives all belt pulleys to rotate together, to drive all rotary actuators to rotate together by belt.
9. knob test unit as claimed in claim 8, is characterized in that, described synchronous device also comprises an expansion tightening wheel, and expansion tightening wheel is serially connected in described belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156353.0A CN103926531B (en) | 2014-04-18 | 2014-04-18 | Knob assay device and knob testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156353.0A CN103926531B (en) | 2014-04-18 | 2014-04-18 | Knob assay device and knob testing equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN103926531A true CN103926531A (en) | 2014-07-16 |
| CN103926531B CN103926531B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156353.0A Active CN103926531B (en) | 2014-04-18 | 2014-04-18 | Knob assay device and knob testing equipment |
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| CN (1) | CN103926531B (en) |
Cited By (5)
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| CN104165764A (en) * | 2014-08-29 | 2014-11-26 | 长城汽车股份有限公司 | Automobile embedded knob switch endurance test device |
| CN106918455A (en) * | 2017-04-28 | 2017-07-04 | 苏州萨帕自动化科技有限公司 | Switch durability test equipment |
| CN107389334A (en) * | 2017-08-30 | 2017-11-24 | 温州腾煌电气有限公司 | A kind of fatigue test device of scram button |
| CN110779790A (en) * | 2019-09-25 | 2020-02-11 | 杭州广安汽车电器有限公司 | Toggle durability test fixture |
| CN113390622A (en) * | 2021-07-19 | 2021-09-14 | 上汽通用五菱汽车股份有限公司 | Electrodynamic type vehicle air conditioner knob endurance test detection device |
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| CN110779790A (en) * | 2019-09-25 | 2020-02-11 | 杭州广安汽车电器有限公司 | Toggle durability test fixture |
| CN113390622A (en) * | 2021-07-19 | 2021-09-14 | 上汽通用五菱汽车股份有限公司 | Electrodynamic type vehicle air conditioner knob endurance test detection device |
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|---|---|
| CN103926531B (en) | 2016-08-17 |
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