CN112857787A - Reliability testing device for door lock of dish washing machine - Google Patents
Reliability testing device for door lock of dish washing machine Download PDFInfo
- Publication number
- CN112857787A CN112857787A CN202110365763.6A CN202110365763A CN112857787A CN 112857787 A CN112857787 A CN 112857787A CN 202110365763 A CN202110365763 A CN 202110365763A CN 112857787 A CN112857787 A CN 112857787A
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- door lock
- clamp
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- test
- lock
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 238000004851 dishwashing Methods 0.000 title description 2
- 239000003381 stabilizer Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000013522 software testing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4251—Details of the casing
- A47L15/4257—Details of the loading door
- A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a reliability testing device for a dishwasher door lock, which comprises a testing cabinet and two groups of testing tables, wherein the two groups of testing tables are arranged on the upper side and the lower side in the testing cabinet in parallel, an installing plate is arranged at the rear part in the testing cabinet, a plurality of groups of clamps for clamping lock bodies are transversely arranged above the testing tables, opening and closing components are arranged on the installing plates at the back parts of the plurality of groups of clamps, each opening and closing component comprises a stepping motor fixed on the front surface of the installing plate, and a supporting arm is arranged at the output end of the stepping motor. Has the advantages that: according to the invention, the plurality of groups of clamps for clamping the lock bodies are arranged in the test cabinet, and the test board supports the plurality of groups of clamps to realize the synchronous locking and loosening processes of the plurality of groups of lock bodies, so that the test efficiency is improved, the detection processes of the whole service life of the door lock, the service life of the lock body reed and the service life of the lock hook can be carried out, the functions are more complete, the use is convenient and fast, and the practicability is strong.
Description
Technical Field
The invention relates to the field of dish washer test equipment, in particular to a dish washer door lock reliability test device.
Background
The dish washer is used for automatically cleaning tableware such as dish, chopsticks, dish, knife and fork, and can be divided into two types of box type and conveying type according to the structure. It reduces the labor intensity for the cooking personnel in dining room, hotel and dining room of office, improves the working efficiency and promotes the cleanness and sanitation. At present, various small dishwashers are on the market, and are gradually entering ordinary households. The dishwasher door lock is one of the common parts in the whole structure of the dishwasher, and the reliability of the door lock has important influence on the service life of the whole dishwasher.
The applicant finds that at least the following technical problems exist in the prior art: the dish washer lock test equipment who uses at present is to the dish washer after the assembly is accomplished test of opening the door, and equipment is bulky, and the single only can test a set of lock, and efficiency of software testing is low, and it is inconvenient to use, and the practicality is poor.
Disclosure of Invention
The invention aims to solve the problems and provide a device for testing the reliability of a dishwasher door lock, wherein a plurality of groups of clamps for clamping lock bodies are arranged in a test cabinet, and meanwhile, a test bench supports a plurality of groups of clamps to realize the synchronous locking and loosening processes of the lock bodies, so that the test efficiency is improved, the use is convenient and fast, the practicability is high, and details are described in the following description.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a reliability testing device for a dishwasher door lock, which comprises a testing cabinet and two groups of testing tables, wherein the two groups of testing tables are arranged on the upper side and the lower side in the testing cabinet in parallel, an installing plate is arranged at the rear part in the testing cabinet, a plurality of groups of clamps for clamping lock bodies are transversely arranged above the testing tables, and opening and closing components are arranged on the installing plates at the back parts of the plurality of groups of clamps;
the opening and closing assembly comprises a stepping motor fixed on the front surface of the mounting plate, a support arm is arranged at the output end of the stepping motor, the top end of the support arm is close to one side of the clamp, and a fixing plate used for mounting a lock hook is arranged at the top end of the support arm.
When the reliability testing device for the dishwasher door lock is used and a lock body needs to be clamped inside a clamp, the driving gear is driven to rotate by the motor, so that the driving gear and the screw rod are driven to rotate by the driving gear, the movable clamp is supported to transversely slide along the sliding groove under the thread matching action of the screw rod and the movable clamp, the synchronous movement of a plurality of groups of movable clamps is ensured, the synchronous locking of a plurality of groups of lock bodies is realized, and then the lock hook is fixed on a fixing plate of the opening and closing assembly; when the overall service life of the device needs to be tested, the locking hook is driven by the opening and closing assembly to simulate actual motion and be locked in the lock body, the power-on rated voltage of the door lock lasts for 0.02s, the door lock is locked, the door lock waits for 15s, the signal state of the door lock is detected by the PLC, if no locking signal exists, an alarm is given, if the locking signal exists, the locking hook is supported by the opening and closing assembly to be separated from the lock body to reset, the opening and closing test of the door lock is realized for one time, the operation is carried; when the service life of the lock body reed needs to be tested, the opening and closing assembly drives the lock hook to be buckled in the lock body, the lock hook does not act, the power-on rated voltage of the door lock lasts for 0.02s, the door lock is locked, 15s is waited for, the signal state of the door lock is detected, if no locking signal exists, the PLC controller gives an alarm to prompt, and the door lock locking process is carried out in a circulating mode, so that the service life detection process of the lock body reed is realized; when the lock hook service life test is needed, the locking and unlocking processes of the lock body are carried out by driving the lock hook to circulate through the opening and closing assembly, so that the service life test of the lock hook is realized.
Preferably, a sliding groove vertically penetrates through the test board below the clamp, the sliding groove transversely extends, an auxiliary groove vertically penetrates through the test board on one side of the sliding groove, a screw rod is transversely arranged inside the sliding groove, and the end of the screw rod penetrates into the auxiliary groove.
Preferably, the screw rod is in running fit with the test board, a transmission gear is arranged at one end, extending into the auxiliary groove, of the screw rod, a motor is arranged below the test board, and the output end of the motor transversely extends to the lower portion of the auxiliary groove.
Preferably, the output end of the motor is provided with a driving gear, the driving gear is meshed with the transmission gear, the fixture comprises a fixing clamp and a movable clamp, the fixing clamp is welded and fixed on the surface of the test board, and an accommodating groove is formed in one side, close to the lock body, of the top of the fixing clamp.
Preferably, the bottom of the lock body is clamped with the accommodating groove, the bottom of the movable clamp vertically penetrates into the sliding groove, the movable clamp is in sliding fit with the sliding groove, and a threaded hole is transversely penetrated through the bottom of the movable clamp.
Preferably, the screw rod transversely runs through the threaded hole and is in threaded fit with the movable clamp, an adjusting frame is vertically arranged on one side, away from the fixed clamp, of the movable clamp, a support rod transversely runs through the middle of the adjusting frame, and the support rod is in threaded fit with the adjusting frame.
Preferably, a pressing plate is arranged on one side, close to the fixing clamp, of the supporting rod, the pressing plate is in running fit with the supporting rod, a knob is arranged at one end, far away from the pressing plate, of the supporting rod, and a plurality of anti-skidding grooves are arranged on the outer circumference side of the knob in a surrounding mode.
Preferably, the four corners of the bottom of the test cabinet are provided with bases, each base comprises a bottom plate arranged at the bottom of the test cabinet, and the bottom plates are welded and fixed with the test cabinet.
Preferably, the bottom plate bottom outside is provided with the universal wheel, the inboard of universal wheel the bottom plate bottom is provided with the stabilizer blade, the stabilizer blade top vertically runs through the bottom plate, just the stabilizer blade top with bottom plate screw-thread fit.
Has the advantages that: according to the invention, the plurality of groups of clamps for clamping the lock bodies are arranged in the test cabinet, and the test board supports the plurality of groups of clamps to realize the synchronous locking and loosening processes of the plurality of groups of lock bodies, so that the test efficiency is improved, the detection processes of the whole service life of the door lock, the service life of the lock body reed and the service life of the lock hook can be carried out, the functions are more complete, the use is convenient and fast, and the practicability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a perspective view of the opening and closing assembly of the present invention;
FIG. 4 is a schematic perspective view of a testing table according to the present invention;
FIG. 5 is a schematic view of the clamp of the present invention shown disassembled;
fig. 6 is a schematic perspective view of the base of the present invention.
The reference numerals are explained below:
1. a test cabinet; 2. mounting a plate; 3. a test bench; 301. a chute; 302. a screw; 303. an auxiliary groove; 304. a transmission gear; 305. an electric motor; 306. a drive gear; 4. a clamp; 401. a fixing clip; 401a, accommodating grooves; 402. a movable clamp; 402a, a threaded hole; 403. an adjusting bracket; 404. pressing a plate; 405. a stay bar; 405a, a knob; 5. an opening and closing assembly; 501. a stepping motor; 502. a support arm; 503. a fixing plate; 6. a base; 601. a base plate; 602. a universal wheel; 603. a support leg; 7. a latch hook; 8. and a lock body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-6, the invention provides a reliability testing device for a dishwasher door lock, which comprises a testing cabinet 1 and two groups of testing tables 3, wherein the two groups of testing tables 3 are arranged at the upper side and the lower side inside the testing cabinet 1 in parallel, an installing plate 2 is arranged at the rear inside the testing cabinet 1, a plurality of groups of clamps 4 for clamping a lock body 8 are transversely arranged above the testing tables 3, opening and closing components 5 are arranged on the installing plates 2 at the back of the plurality of groups of clamps 4, a PLC controller and a force sensor are arranged in the testing cabinet 1, so that a locking signal of the lock body 8 can be detected, whether the door lock is in a locking state or not can be judged, whether the door lock is damaged or not can be judged;
the opening and closing assembly 5 comprises a stepping motor 501 fixed on the front surface of the mounting plate 2, the output end of the stepping motor 501 is provided with a support arm 502, the top end of the support arm 502 inclines towards one side close to the clamp 4, the top end of the support arm 502 is provided with a fixing plate 503 for mounting the lock hook 7, and the support arm 502 and the fixing plate 503 are driven by the stepping motor 501 to support the lock hook 7 to move towards the lock body 8 so as to realize the opening and closing test of the door lock.
As an optional embodiment, a sliding groove 301 vertically penetrates through the testing platform 3 below the clamp 4, the sliding groove 301 extends horizontally, an auxiliary groove 303 vertically penetrates through the testing platform 3 on one side of the sliding groove 301, a screw 302 is transversely arranged inside the sliding groove 301, an end of the screw 302 penetrates into the auxiliary groove 303, the screw 302 is rotatably matched with the testing platform 3, a transmission gear 304 is arranged at one end of the screw 302, which extends into the auxiliary groove 303, a motor 305 is arranged below the testing platform 3, an output end of the motor 305 transversely extends below the auxiliary groove 303, a driving gear 306 is arranged at an output end of the motor 305, the driving gear 306 is meshed with the transmission gear 304, the clamp 4 comprises a fixing clamp 401 and a movable clamp 402, the fixing clamp 401 is welded and fixed on the surface of the testing platform 3, an accommodating groove 401a is arranged at the top of the fixing clamp 401, which is close to one side of the lock body 8, the movable clamp 402 is in sliding fit with the sliding groove 301, a threaded hole 402a is transversely penetrated through the bottom of the movable clamp 402, the screw 302 transversely penetrates through the threaded hole 402a and is in threaded fit with the movable clamp 402, an adjusting frame 403 is vertically arranged on one side, away from the fixed clamp 401, of the movable clamp 402, a support rod 405 transversely penetrates through the middle of the adjusting frame 403, and the support rod 405 is in threaded fit with the adjusting frame 403; a pressing plate 404 is arranged on one side, close to the fixing clamp 401, of the support rod 405, the pressing plate 404 is in running fit with the support rod 405, a knob 405a is arranged at one end, far away from the pressing plate 404, of the support rod 405, a plurality of anti-slip grooves 301 are arranged on the outer circumference side of the knob 405a in a surrounding mode, when the clamping state of one group of clamps 4 needs to be adjusted independently, the knob 405a is rotated to drive the support rod 405 to rotate through the knob 405a, under the thread matching effect of the support rod 405 and the adjusting frame 403, the pressing plate 404 is driven to move transversely through the support rod 405 to adjust the pressing degree of the group of pressing plates 404 on the lock body 8, and the locking state adjusting process of the inner lock body;
all be provided with base 6 in 1 bottom four corners of test cabinet, this base 6 is including setting up in the bottom plate 601 of 1 bottom of test cabinet, bottom plate 601 and 1 welded fastening of test cabinet, and the bottom plate 601 bottom outside is provided with universal wheel 602, and the inboard bottom plate 601 bottom of universal wheel 602 is provided with stabilizer blade 603, and the vertical bottom plate 601 that runs through in stabilizer blade 603 top, and stabilizer blade 603 top and bottom plate 601 screw-thread fit.
By adopting the structure, when the lock body 8 needs to be clamped in the clamp 4 in the using process, the driving gear 306 is driven to rotate by the motor 305, so that the transmission gear 304 and the screw 302 are driven to rotate by the driving gear 306, the movable clamp 402 is supported to transversely slide along the sliding groove 301 under the thread matching action of the screw 302 and the movable clamp 402, the synchronous movement of a plurality of groups of movable clamps 402 is ensured, the synchronous locking of a plurality of groups of lock bodies 8 is realized, and then the lock hook 7 is fixed on the fixing plate 503 of the opening and closing assembly 5; when the overall service life of the device needs to be tested, the locking hook 7 is driven by the opening and closing component 5 to simulate actual motion and be locked in the lock body 8, the power-on rated voltage of the door lock lasts for 0.02s, the door lock is locked and waits for 15s, the signal state of the door lock is detected by the PLC, if no locking signal exists, an alarm is given, if the locking signal exists, the locking hook 7 is supported by the opening and closing component 5 to be separated from the lock body 8 for resetting, the opening and closing test of the door lock is realized once, and the operation according to the steps is carried out; when the service life of a reed of the lock body 8 needs to be tested, the opening and closing assembly 5 drives the lock hook 7 to be buckled in the lock body 8, the lock hook 7 does not act, the power-on rated voltage of the door lock lasts for 0.02s, the door lock is locked, the waiting time is 15s, the signal state of the door lock is detected, if no locking signal exists, the PLC controller gives an alarm to prompt, and the door lock locking process is carried out in a circulating mode, so that the service life detection process of the reed of the lock body 8; when the service life of the lock hook 7 needs to be tested, the opening and closing assembly 5 drives the lock hook 7 to circularly lock and unlock the lock body 8, so that the service life of the lock hook 7 is tested;
through the inside anchor clamps 4 that set up multiunit clamping lock body 8 at test cabinet 1, support multiunit anchor clamps 4 through testboard 3 simultaneously and realize the synchronous locking of multiunit lock body 8 and loosen the process, improve efficiency of software testing, and can carry out the whole life of lock, the life test process of 8 reed life of lock body and latch hook 7, the function is more complete, it is convenient to use, and the practicality is strong.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The utility model provides a dish washer lock reliability testing arrangement which characterized in that: the lock body clamping device comprises a test cabinet (1) and two groups of test tables (3), wherein the two groups of test tables (3) are arranged on the upper side and the lower side in the test cabinet (1) in parallel, a mounting plate (2) is arranged at the rear part in the test cabinet (1), a plurality of groups of clamps (4) for clamping lock bodies (8) are transversely arranged above the test tables (3), and opening and closing assemblies (5) are arranged on the mounting plate (2) at the back parts of the plurality of groups of clamps (4);
the opening and closing assembly (5) comprises a stepping motor (501) fixed on the front surface of the mounting plate (2), a support arm (502) is arranged at the output end of the stepping motor (501), the top end of the support arm (502) is close to one side of the clamp (4), and a fixing plate (503) used for mounting a lock hook (7) is arranged at the top end of the support arm (502).
2. The dishwasher door lock reliability testing device according to claim 1, wherein: the test bench (3) below the clamp (4) is vertically provided with a sliding groove (301) in a penetrating manner, the sliding groove (301) transversely extends, an auxiliary groove (303) is vertically provided in the test bench (3) on one side of the sliding groove (301), a screw rod (302) is transversely arranged in the sliding groove (301), and the end part of the screw rod (302) penetrates into the auxiliary groove (303).
3. The dishwasher door lock reliability testing device according to claim 2, wherein: the screw rod (302) is in running fit with the test board (3), a transmission gear (304) is arranged at one end, extending into the auxiliary groove (303), of the screw rod (302), an electric motor (305) is arranged below the test board (3), and the output end of the electric motor (305) transversely extends to the lower portion of the auxiliary groove (303).
4. The dishwasher door lock reliability testing device according to claim 3, wherein: the output end of the motor (305) is provided with a driving gear (306), the driving gear (306) is meshed with the transmission gear (304), the clamp (4) comprises a fixing clamp (401) and a movable clamp (402), the fixing clamp (401) is welded and fixed on the surface of the test bench (3), and an accommodating groove (401 a) is formed in the top of the fixing clamp (401) close to one side of the lock body (8).
5. The dishwasher door lock reliability testing device according to claim 4, wherein: the bottom of the lock body (8) is clamped with the accommodating groove (401 a), the bottom of the movable clamp (402) vertically penetrates into the sliding groove (301), the movable clamp (402) is in sliding fit with the sliding groove (301), and a threaded hole (402 a) is transversely formed in the bottom of the movable clamp (402).
6. The dishwasher door lock reliability testing device according to claim 5, wherein: the screw rod (302) transversely runs through the threaded hole (402 a) and is in threaded fit with the movable clamp (402), an adjusting frame (403) is vertically arranged on one side, away from the fixed clamp (401), of the movable clamp (402), a support rod (405) transversely runs through the middle of the adjusting frame (403), and the support rod (405) is in threaded fit with the adjusting frame (403).
7. The dishwasher door lock reliability testing device according to claim 6, wherein: the clamp is characterized in that a pressing plate (404) is arranged on one side, close to the fixing clamp (401), of the support rod (405), the pressing plate (404) is in running fit with the support rod (405), a knob (405 a) is arranged at one end, far away from the pressing plate (404), of the support rod (405), and a plurality of anti-skidding grooves (301) are formed in the periphery of the knob (405 a) in a surrounding mode.
8. The dishwasher door lock reliability testing device according to claim 1, wherein: the testing cabinet is characterized in that bases (6) are arranged at four corners of the bottom of the testing cabinet (1), each base (6) comprises a bottom plate (601) arranged at the bottom of the testing cabinet (1), and the bottom plates (601) are welded and fixed with the testing cabinet (1).
9. The dishwasher door lock reliability testing device according to claim 8, wherein: the bottom plate (601) bottom outside is provided with universal wheel (602), universal wheel (602) inboard bottom plate (601) bottom is provided with stabilizer blade (603), stabilizer blade (603) top is vertical to be run through bottom plate (601), just stabilizer blade (603) top with bottom plate (601) screw-thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365763.6A CN112857787B (en) | 2021-04-06 | 2021-04-06 | Reliability testing device for dish washer door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365763.6A CN112857787B (en) | 2021-04-06 | 2021-04-06 | Reliability testing device for dish washer door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112857787A true CN112857787A (en) | 2021-05-28 |
| CN112857787B CN112857787B (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110365763.6A Active CN112857787B (en) | 2021-04-06 | 2021-04-06 | Reliability testing device for dish washer door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112857787B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101457530B1 (en) * | 2013-11-20 | 2014-11-03 | 한국산업기술시험원 | Testing device for door lock of back for durability |
| CN206862620U (en) * | 2017-06-09 | 2018-01-09 | 上海恩坦华汽车门系统有限公司 | Side door lock key knob life-test rack |
| CN207147777U (en) * | 2017-09-06 | 2018-03-27 | 深圳市优界科技有限公司 | Phase apparatus test device |
| CN208443573U (en) * | 2018-07-25 | 2019-01-29 | 上华壹特精密元件（常州）有限公司 | A kind of Lock for automobile switch service life measurement tooling |
| CN210071297U (en) * | 2019-05-27 | 2020-02-14 | 浦江县新浪锁业有限公司 | Padlock life test tool |
| CN211954706U (en) * | 2020-04-22 | 2020-11-17 | 武义龙泰金属制品有限公司 | Full-automatic duplex position lock life-span test equipment |
| CN212275212U (en) * | 2020-05-20 | 2021-01-01 | 浦江县新浪锁业有限公司 | Padlock life test machine |
| CN212748281U (en) * | 2020-08-15 | 2021-03-19 | 广州市荣鑫电子科技有限公司 | Switch life test machine |
-
2021
- 2021-04-06 CN CN202110365763.6A patent/CN112857787B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101457530B1 (en) * | 2013-11-20 | 2014-11-03 | 한국산업기술시험원 | Testing device for door lock of back for durability |
| CN206862620U (en) * | 2017-06-09 | 2018-01-09 | 上海恩坦华汽车门系统有限公司 | Side door lock key knob life-test rack |
| CN207147777U (en) * | 2017-09-06 | 2018-03-27 | 深圳市优界科技有限公司 | Phase apparatus test device |
| CN208443573U (en) * | 2018-07-25 | 2019-01-29 | 上华壹特精密元件（常州）有限公司 | A kind of Lock for automobile switch service life measurement tooling |
| CN210071297U (en) * | 2019-05-27 | 2020-02-14 | 浦江县新浪锁业有限公司 | Padlock life test tool |
| CN211954706U (en) * | 2020-04-22 | 2020-11-17 | 武义龙泰金属制品有限公司 | Full-automatic duplex position lock life-span test equipment |
| CN212275212U (en) * | 2020-05-20 | 2021-01-01 | 浦江县新浪锁业有限公司 | Padlock life test machine |
| CN212748281U (en) * | 2020-08-15 | 2021-03-19 | 广州市荣鑫电子科技有限公司 | Switch life test machine |
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| Publication number | Publication date |
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| CN112857787B (en) | 2023-12-01 |
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