CN209342341U - Fatigue test device - Google Patents

Abstract

The utility model relates to a kind of fatigue test devices, comprising: pedestal；Driving motor, the driving motor are set to the pedestal；Bellows, the bellows are connect with the driving motor；Sink, the sink are light transmission sink, and the ultraviolet lamp for irradiating the sink is provided with outside the sink；And test section, for loading sample to be tested, the test liquid in the bellows, the sink and the test section is interconnected for the test section.Above-mentioned fatigue test device, by the way that sink is arranged to light transmission sink, and outside sink by the way of ultraviolet light irradiation, the generation of microorganism in test liquid can be effectively reduced, with it is existing by sink add chemical reagent with reduce microorganism generation method compared with, the influence that can corrode to avoid test fluid body itself to sample to be tested and equipment, reduces the accuracy of test result.

Description

Fatigue test device

Technical field

The utility model relates to medical instrument testing fields, survey more particularly to a kind of fatigue for medical device product Trial assembly is set.

Background technique

With the extensive use and development of Minimally Interventional Therapy, interventional medical device is the diseases such as generally acknowledged treatment cardiovascular and cerebrovascular One of the effective means of disease.The quality of implanted medical device performance directly affects the health even life of patient.Intervene Medical treatment device The fatigue behaviour of tool is one of the Key Performance Indicator of such product.

Utility model content

The purpose of the utility model is to provide a kind of fatigue test devices.

A kind of fatigue test device, comprising:

Pedestal；

Driving motor, the driving motor are set to the pedestal；

Bellows, the bellows are connect with the driving motor；

Sink, the sink are light transmission sink, and the ultraviolet lamp for irradiating the sink is provided with outside the sink；And

Test section, the test section is for loading sample to be tested, in the bellows, the sink and the test section Liquid is tested to be interconnected.

The ultraviolet lamp is located at the lower section of the sink in one of the embodiments,.

The pedestal includes motor cabinet and the framework for being set to the motor cabinet periphery, institute in one of the embodiments, Framework is stated to connect with the bottom of the sink.

The ultraviolet lamp is fixedly installed in the framework in one of the embodiments,.

The ultraviolet lamp is two in one of the embodiments, and one end of each ultraviolet lamp is fixed on the frame On body, the other end is towards the middle part of the sink.

The fatigue test device further includes shell in one of the embodiments, and the casing is set to the framework Outside, and the sink is wrapped up.

Heating device is provided in the sink in one of the embodiments,.

The sink is located at the top of the bellows in one of the embodiments, and is located under the test section Side.

It is provided on the side wall of the sink in one of the embodiments, into water/effluent switch.

Above-mentioned fatigue test device, by the way that sink is arranged to light transmission sink, and using ultraviolet light irradiation outside sink Mode can effectively reduce the generation of microorganism in test liquid, with existing by adding chemical reagent in sink to reduce The method that microorganism generates is compared, and the influence that can corrode to avoid test fluid body itself to sample to be tested and equipment reduces test As a result accuracy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the fatigue test device of one embodiment of the application；

Fig. 2 is the schematic diagram of the part-structure of fatigue test device shown in FIG. 1；

Fig. 3 is the explosive view of rotating mechanism shown in Fig. 2；

Fig. 4 is the schematic diagram of the part-structure of rotating mechanism shown in Fig. 2；

Fig. 5 is the explosive view of the part-structure of fatigue test device shown in FIG. 1；

Fig. 6 is the schematic diagram of the part-structure of fatigue test device shown in FIG. 1；

The first connector and the partial structural diagram before the assembling of the second connector that Fig. 7 is fatigue test device shown in Fig. 2；

Fig. 8 is the cut-away view after the first connector shown in FIG. 1 and the assembling of the second connector；

Fig. 9 is the schematic diagram of the part-structure of fatigue test device shown in FIG. 1.

Specific embodiment

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific implementation opened.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level ", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

Fig. 1 and Fig. 2 is please referred to, fatigue test device 10 includes pedestal 100, driving motor 200, bellows 300, sink 400 and test section 500, driving motor 200 be set on pedestal 100, bellows 300 is connect with driving motor 200, bellows 300, the test liquid in sink 400 and test section 500 is interconnected.Test section 500 is for loading sample to be tested, such as blood vessel The implanted medical devices such as bracket, filter, plugging device and valve.Sample to be tested is loaded to test section 500, driving motor is passed through The movement of test liquid, regularly controls test liquid volume or pressure in test section 500 in 200 control bellowss 300 Variation, simulate the interaction of the tissue and sample to be tested of specific position in human body environment.

Please continue to refer to Fig. 2, bellows 300 is located at the top of driving motor 200, and sink 400 is located at the upper of bellows 300 Side, test section 500 are located at the top of sink 400, and test liquid is interconnected.Since driving motor 200 is located at bottom, in this way may be used To effectively reduce the center of gravity of fatigue test device 10, simultaneously as motor is to conduct driving force straight up, other are not generated The momentum in direction is conducive to the stability for improving test, but also can eliminate echo, reduces standing wave so being not easy to shake It generates, reduces the consume of energy, further, since the higher liquid of temperature can move upwards, thermodynamics biography can also be complied in this way Direction is passed, the control for keeping temperature in test section 500 is conducive to.In the illustrated embodiment, bellows 300 is located at driving motor 200 surface, sink 400 are located at the surface of bellows 300, and test section 500 is located at the surface of sink 400, and structure is more Add stablize it is compact.

Please continue to refer to Fig. 2, pedestal 100 includes motor cabinet 110 and the framework 120 for being set to 110 periphery of motor cabinet, driving Motor 200 is set on motor cabinet 110, and framework 120 is connect with sink 400.Specifically, framework 120 far from motor cabinet 110 one End is abutted with the bottom of sink 400.In the present embodiment, framework 120 includes more metal support columns, is evenly distributed on sink Under 400.

During the test, tester is as far as possible in same position, that is, Observable or the entire fatigue test device 10 of dismounting Interior whole test samples, not only improve efficiency, but also facilitate the equipment or record test equipment installation of test sample.But During the test, it needs whole equipment to be in relatively fixed state, otherwise in motor operation course, can equipment be rotated. Please refer to figs. 2 and 3 together, and fatigue test device 10 further includes the rotating mechanism 600 for being set to 100 lower section of pedestal.Pass through rotation The rotation of rotation mechanism 600, tester can be in same position, that is, Observable or the entire fatigue test devices 10 of dismounting.

Rotating mechanism 600 includes rotating base 610 and rotating disk 620, and pedestal 100 is carried in rotating disk 620, rotating disk 620 can rotate relative to rotating base 610.Also referring to Fig. 3 and Fig. 4, it is provided with locking piece 612 on rotating base 610, revolves Multiple lock holes 621 for cooperating with locking piece 612 are provided on the side wall of turntable 620, when opening locking piece 612, that is, will When locking piece 612 is pulled out from lock hole 621, rotating disk 620 can be rotated, and when the lock hole 621 in rotating disk 620 rotates When to locking piece 612, locking piece 612 is inserted into lock hole 621, and then locks rotating disk 620.

Specifically, rotating mechanism 600 further includes the ball bearing 630 being arranged between rotating base 610 and rotating disk 620 With the bearing block 640 being rotatably dispose on ball bearing 630, ball bearing 630 is fixedly installed on rotating base 610, rotating disk 620 are fixedly installed on bearing block 640, can be convenient rotating disk 620 and swimmingly rotate.In the illustrated embodiment, rotating base The multi-stage stairs 614 for being provided with centre bore 613 on 610 and being arranged around centre bore 613, rotating mechanism 600 further include that bearing is solid Price fixing 650, ball bearing 630 are fixedly installed on step 614 by bearing fixed disk 650.Please continue to refer to Fig. 3 and Fig. 4, rotation Turn to be additionally provided with pressure bearing 660 between pedestal 610 and rotating disk 620, pressure bearing 660 is sheathed on bearing block 640, pressure Bearing 660 is located on step 614, and flushes with bearing block 640 far from the surface of rotating base 610, i.e. pressure bearing 660 and rotation Turntable 620 abuts.By the way that pressure bearing 660 is arranged, rotating disk 620 can be shared to the axial force of ball bearing 630, so that rotation Fatigue test device 10 on turntable 620 can smoothly rotate, and extend the service life of fatigue test device 10.In diagram In embodiment, the size of pressure bearing 660 is matched with the size of bearing block 640, and pressure bearing 660 is just fastened on bearing block On 640, pressure bearing 660 and the same axle center of ball bearing 630 can be made.In the present embodiment, rotating base 610 is by metal Material is made.

Please continue to refer to Fig. 2 and Fig. 3, the lower section of rotating base 610 is additionally provided with footed glass 615.In the present embodiment, footed glass 615 be rubber product, it is possible to reduce the conduction that driving motor 200 vibrates can also play anti-skidding effect, while can also side Just the carrying of entire fatigue test device 10.The quantity of footed glass 615 can carry out the tune of height and levelness according to actual needs It is whole.

Referring to Figure 2 together and Fig. 5, driving motor 200 have transmission shaft 210, and driving motor 200 passes through transmission shaft 210 It is connect with bellows 300.Mechanics sensor 211 is provided on transmission shaft 210, mechanics sensor 211 can be used for measuring driving The parameters such as frequency, force value, the acceleration that motor 200 exports, and external control system is fed back to feedback regulation driving motor 200 Output, be allowed to running parameter and be in set target value.

In order to avoid being loosened during operation between driving motor 200 and bellows 300, referring to Fig. 2, driving Buffer Unit 700 is additionally provided between motor 200 and bellows 300, the transmission shaft 210 of driving motor 200 passes through Buffer Unit 700 connect with bellows 300.

Please refer to fig. 5, Buffer Unit 700 includes spring holder 710, spring 720 and waterproof cover 730, waterproof cover 730 is covered Set on spring holder 710, spring 720 is located in the space that waterproof cover 730 and spring holder 710 surround, the transmission shaft of driving motor 200 210 sequentially pass through spring holder 710, spring 720 and waterproof cover 730 connect with bellows 300.Waterproof cover 730 is enclosed with spring holder 710 At the height in space be less than the height under natural conditions of spring 720, that is, surface that waterproof cover 730 is abutted with spring 720 and The difference in height between surface that spring holder 710 is abutted with spring 720 is less than the height of spring 720 in its natural state, that is, It says, spring 720 is in compressive state between spring holder 710 and waterproof cover 730, and driving motor 200 can be made to operate in this way In the process, the connection of transmission shaft 210 and bellows 300 is in tension, prevents from going out between transmission shaft 210 and bellows 300 It now vibrates, leads to Joint failure.In the illustrated embodiment, fixing groove 711 is provided on spring holder 710, spring 720 is arranged in In fixing groove 711.Further, the size of waterproof cover 730 is slightly larger than the size of spring holder 710, i.e. waterproof cover 730 can cover Spring holder 710, in the illustrated embodiment, i.e., the diameter of waterproof cover 730 works as testing fatigue slightly larger than the diameter of spring holder 710 When test liquid in device 10 leaks, the test fluid body of leakage can be flowed out along the surface of waterproof cover 730, avoid letting out The test liquid of leakage is contacted with spring 720 and transmission shaft 210, to protect Buffer Unit 700.

It should be noted that waterproof cover 730 can be contacted with the surface of spring holder 710, can not also contact.In diagram In embodiment, spring 720 is fixed on spring holder 710, and the lid of waterproof cover 730 is located at the one end of spring 720 far from spring holder 710, The distal end of waterproof cover 730 has height close to the surface of spring holder 710 and spring holder 710 between the surface of waterproof cover 730 Difference, i.e. waterproof cover 730 can not be contacted with spring holder 710.

Please continue to refer to Fig. 2 and Fig. 5, water proof disk 270, water proof disk are additionally provided between driving motor 200 and bellows 300 270 are located at the top of driving motor 200, and are located at the lower section of bellows 300, and the transmission shaft 210 of driving motor 200 sequentially passes through Water proof disk 270 and Buffer Unit 700 are connect with bellows 300.In the illustrated embodiment, water proof disk 270 offers through-hole 271 And the groove 272 along the setting of 271 periphery of through-hole, silica gel piece 273, the size and groove of silica gel piece 273 are provided on groove 272 272 matchings, silica gel piece 273 are fastened in groove 272, that is, silica gel piece 273 covers through-hole 271 and groove 272, driving motor 200 Transmission shaft 210 sequentially pass through through-hole 271, silica gel piece 273 and Buffer Unit 700 and connect with bellows 300, in this way can be to avoid Driving motor 200 is leaked into from centre when test liquid leakage in fatigue test device 10, driving motor 200 is caused to fail. In the present embodiment, spring holder 710 and silica gel piece 273 are each attached on water proof disk 270, for example, passing through screw bolt passes bullet Spring holder 710, silica gel piece 273 are fixed on water proof disk 270 by spring disk 710, silica gel piece 273 and water proof disk 270.Water proof disk 270 Bottom the position at middle part is provided with drainage hole 275, by drainage hole 275 install a drainpipe, pass through draining Hole 275 can be convenient the water discharge that will accumulate on water proof disk 270.Water proof disk 270 can be made of nonmetallic materials, Huo Zhefang The metal material of rust, or it is provided with rust-proof coating on the metal material.

The periphery of water proof disk 270 is additionally provided with fixation hole 276, and the fixation hole 276 of water proof disk 270 is sheathed in framework 120. In the illustrated embodiment, each fixation hole 276 of water proof disk 270 is sheathed on a metal support column of framework 120, and is fixed on The middle position of metal support column.

Referring to Fig. 2, being provided with the ultraviolet lamp 410 for irradiating sink outside sink 400.Due to the testing fatigue week of sample Phase is generally longer, and liquids in general analog temperature is 37 DEG C, so in such a state, the test in fatigue test device 10 Liquid is easy to produce microorganism and influences sample, so that test crash.By the way that sink 400 is arranged to light transmission water Slot, and outside sink 400 by the way of the irradiation of ultraviolet lamp 410, the generation of microorganism in test liquid can be effectively reduced, with It is existing to be compared by adding chemical reagent in sink in the method for reducing microorganism generation, it can be right to avoid test fluid body itself The influence of sample to be tested and equipment corrosion, reduces the accuracy of test result.

It should be noted that the light transmission sink of the application refers to that 400 at least part of sink is made of translucent material.Example Such as, PET, PMMA (polymethyl methacrylate), PC (polycarbonate) etc..In the present embodiment, the bottom of sink 400 and side wall It is made of translucent material.

In the illustrated embodiment, ultraviolet lamp 410 is set to the bottom of sink 400.Ultraviolet lamp 410 is fixedly installed on framework On 120.In the present embodiment, ultraviolet lamp 410 is two, and one end of each ultraviolet lamp 410 is fixedly installed on two of framework 120 On diagonally positioned metal support column, the other end is towards the middle part of sink 400.

Referring to Fig. 6, be provided on the side wall of sink 400 into water/effluent switch 420, by water inlet/effluent switch 420, Water can be added in sink 400 or the water in sink 400 is discharged.In the illustrated embodiment, water inlet/effluent switch 420 is set It is placed in position of the side wall close to bottom of sink 400, conducive to the liquid discharge in sink 400.

Please continue to refer to Fig. 6, heating device 430 is additionally provided in sink 400, so that the test liquid in sink 400 is protected Set temperature is held, usual test temperature is 37 DEG C of blood heat.In the illustrated embodiment, heating device 430 is annular Heating rod, so that the test more uniform unification of fluid temperature.It is additionally provided with temperature sensor (not shown) in sink 400, passes through The work of the feedback control heating device 430 of temperature sensor, so that the temperature in sink 400 is kept constant.

Referring to Fig. 1, fatigue test device 10 further includes shell 101, shell 101 is set in outside framework 120, and wraps up water Slot 400 can protect driving motor 200 and bellows 300 etc., can also be by the ultraviolet light of the transmitting of ultraviolet lamp 410 It is gathered in shell 101, prevents the influence to tester or periphery.In the illustrated embodiment, it is additionally provided on shell 101 Heat release hole 102 facilitates the heat generated in the operational process of export driving motor 200 and ultraviolet lamp 410.

Fig. 1 and Fig. 2 is please referred to, test section 500 includes first substrate 510, the second substrate 520, support column 530 and testing tube 540, first substrate 510 is covered on sink 400, and the second substrate 520 is located at the top of first substrate 510, one end of support column 530 It is set on first substrate 510, for the other end for carrying the second substrate 520, testing tube 540 is located at first substrate 510 and second Between substrate 520, the first connector 550, the both ends difference of testing tube 540 are provided on first substrate 510 and the second substrate 520 Be provided with the first connector 550 for the second connector 560 with the sealing cooperation of the first connector 550, on first substrate 510 with Sink 400 is connected to, and the second connector 560 is connected to testing tube 540, and the first connector 550 is connected to the second connector 560, and first connects First 550 are connect with the second connector 560 by being fastened, and the second connector 560 is quickly installed to the first connector 550 or connects from first It is released on first 550, and then realizes the fast assembling-disassembling of sample to be tested.In the illustrated embodiment, first substrate 510 and the second substrate Multiple first connectors 550 are provided on 520, multiple first connectors 550 are uniformly distributed in the circumferential direction of first substrate 510, so that The fluid dynamics of each test chamber are unified.The quantity of the first connector 550 on first substrate 510 can be with the second substrate 520 On the first connector 550 quantity it is equal, can also be unequal, according to different test contents use corresponding chamber.

In the present embodiment, first substrate 510 is made of light-proof material, and the ultraviolet light of such ultraviolet lamp transmitting then will not It penetrates up.First substrate 510 and sink 400 are tightly connected.Testing tube 540 can be silicone tube.

Referring to Figure 7 together and Fig. 8, it is provided with fastener 551 on the first connector 550, is provided with grab on the second connector 560 561, fastener 551 is fastened on grab 561.Specifically, it can produce one by fastener 551 to be fastened on grab 561 and make One connector 550 and the second connector 560 power close to each other.It should be noted that in other embodiments, it can also be by Grab 561 is set on one connector 550, fastener 551 is set on the second connector 560.In the illustrated embodiment, fastener 551 includes Shaft 5511, pressing plate 5512 and retaining ring 5513, pressing plate 5512 are rotatably dispose in shaft 5511, and retaining ring 5513 is rotatably dispose in pressing plate 5512, retaining ring 5513 is fastened and connected with grab 561.The length of retaining ring 5513 is slightly less than retaining ring 5513 close to one end of pressing plate 5512 Axial distance between grab 561, retaining ring 5513, which is fastened to after grab 561, which can generate one, makes the second connector 560 close The pulling force of first connector 550, and then improve the leakproofness after the first connector 550 and the second connector 560 fastening.In the present embodiment In, fastener 551 is two, and two fasteners 551 are set to 550 two sides being oppositely arranged of the first connector.

Please continue to refer to Fig. 7, the first connector 550 is provided with concave station 553, the second connector close to the surface of the second connector 560 560 are provided with protrusion 563 close to the surface of the first connector 550, and protrusion 563 is placed in concave station 553.By mutually matched convex 563 and concave station 553 are played, the stability between the first connector 550 and the second connector 560 can be improved.Simultaneously, due to protrusion 563 protrusion 560 lowest surfaces of the second connector play guiding role in this way when assembling with the first connector 550.

In order to further increase the leakproofness between the first connector 550 and the second connector 560, the first connector 550 and second Sealing ring 570 is additionally provided between connector 560, the position of the protrusion 563 of the second connector 560 is provided with card slot 565, sealing ring 570 are interference fitted with card slot 565.In the illustrated embodiment, card slot 565 is set to the periphery of protrusion 563, the week of concave station 553 Wall position corresponding with card slot 565 is provided with the conical surface 554, and sealing ring 570 is fastened on card slot 565, and respectively with the conical surface 554 and One connector 550 is abutted close to the surface of the second connector 560.

Specifically, being provided with female Luer 558 on the first connector 550 and/or the second connector 560, pass through female Luer 558 It can be convenient the supplement test liquid in testing tube 540, can also facilitate the bubble discharge in testing tube 540, it can also be just In the connection with pressure test equipment, for example, being located at the female Luer of 540 two sides of testing tube by pressure test equipment connection 558 can be convenient the pressure difference in test testing tube 540.In the illustrated embodiment, first on first substrate 510 connects First 550 side is provided with female Luer 558, and the first connector 550 in the second substrate 520 is far from the second connector 560 Surface is provided with female Luer 558, is connected with pressure sensor (not shown), pressure sensor between two female Luers 558 External control system is fed back to for the pressure difference value signal at 540 both ends of collecting test pipe, and by the signal to adjust driving electricity The output of machine 200 makes the pressure difference value at 540 both ends of testing tube be maintained at setting value.Certainly, in other embodiments, Rule connects First 558 also can be set the other positions in the first connector 550, can also be arranged on the second connector 560.

Referring to Fig. 9, support column 530 and the second substrate 520 are rotatablely connected, by rotating the second substrate 520, can make The first connector 550 in the second substrate 520 cooperates with the first connector 550 on first substrate 510 to adapt to testing requirement, Improve adaptability.For example, adjustable the second substrate 520 makes in the second substrate 520 when testing tube 540 is straight pipe type First connector 550 is located at the surface of the first connector 550 on first substrate 510, and corresponds.For another example, when testing tube 540 When for branch type pipe, such as Y type, adjustable the second substrate 520 makes the first connector 550 and the first base in the second substrate 520 The first connector 550 on plate 510 is arranged in a staggered manner.In the illustrated embodiment, the second substrate 520 is parallel with first substrate 510 sets It sets.

Please continue to refer to Fig. 9, support column 530 includes at least two mutually right on the direction vertical with first substrate 510 The segment 531 connect, in two segments 531 of end, one end of a segment 531 is connect with first substrate 510, another segment 531 connect with the second substrate 520, can be by adjusting the number of segment 531 or the height of segment 531, and then adjust the first base Difference in height between plate 510 and the second substrate 520 is to meet the needs of different test sample height.For example, two neighboring segment 531 can be docked by bolt, can also be bolted between segment 531 and first substrate 510 and the second substrate 520.

Please continue to refer to Fig. 2, the second substrate 520 is additionally provided with wave breaker 580, wave absorption far from the surface of first substrate 510 Device 580 is connected to the first connector 550 being located in the second substrate 520, since driving motor 200 generates high frequency in a short time It moves back and forth, a section Sasser is generated in test fluid body, is conducted upwards；When Sasser conduct top after, reflect with Before upward wave generates the phenomenon that interference, and influences the effect of test sample, by the way that wave breaker 580 is arranged, can eliminate survey The noise waves in area 500 are tried, the accuracy of test is improved.In the present embodiment, the second base can will be located at by external pipeline The port of the female Luer 558 and wave breaker 580 on the first connector 550 on plate 520 connects.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (9)

1. a kind of fatigue test device characterized by comprising

Pedestal；

Driving motor, the driving motor are set to the pedestal；

Bellows, the bellows are connect with the driving motor；

Sink, the sink are light transmission sink, and the ultraviolet lamp for irradiating the sink is provided with outside the sink；And

Test section, the test section is for loading sample to be tested, the test in the bellows, the sink and the test section Liquid is interconnected.

2. fatigue test device according to claim 1, which is characterized in that the ultraviolet lamp is located under the sink Side.

3. fatigue test device according to claim 2, which is characterized in that the pedestal includes motor cabinet and is set to institute The framework of motor cabinet periphery is stated, the framework is connect with the bottom of the sink.

4. fatigue test device according to claim 3, which is characterized in that the ultraviolet lamp is fixedly installed on the framework On.

5. fatigue test device according to claim 4, which is characterized in that the ultraviolet lamp is two, each purple One end of outer lamp is fixed in the framework, and the other end is towards the middle part of the sink.

6. fatigue test device according to claim 3, which is characterized in that the fatigue test device further includes shell, The casing is set to outside the framework, and wraps up the sink.

7. fatigue test device according to claim 1, which is characterized in that be provided with heating device in the sink.

8. fatigue test device according to claim 1, which is characterized in that the sink is located at the upper of the bellows Side, and it is located at the lower section of the test section.

9. fatigue test device according to claim 1, which is characterized in that be provided on the side wall of the sink into water/ Effluent switch.