CN106526466B

CN106526466B - Release testing machine for mechanical key in automobile electronic key

Info

Publication number: CN106526466B
Application number: CN201610888786.4A
Authority: CN
Inventors: 应振根; 傅丽燕; 汤剑; 杨小军; 谢长雄; 张琦杰; 隋裕召
Original assignee: Quzhou University
Current assignee: Quzhou University
Priority date: 2016-10-12
Filing date: 2016-10-12
Publication date: 2023-05-23
Anticipated expiration: 2036-10-12
Also published as: CN106526466A

Abstract

The invention provides a release testing machine for a mechanical key in an automobile electronic key, and belongs to the technical field of testing. The release testing machine for the mechanical key in the automobile electronic key comprises a base, wherein a first workbench is arranged on the base, a first sliding table is also vertically fixed on the first workbench, a first groove is formed in the first sliding table, a first screw rod is arranged in the first groove, a first sliding block is arranged on the first screw rod, and a key touch rod is arranged on the first sliding block; the base is horizontally fixed with a second sliding table, a second groove is formed in the second sliding table, a second screw rod is arranged in the second groove, a second sliding block is arranged on the second screw rod, a driving shaft is arranged on the second sliding block, a mechanical arm is arranged on the driving shaft, a second workbench is arranged on the base, and a buffer mechanism is arranged on the second workbench. The invention not only can press the release button to test the service life and the sensitivity, but also can detect the popped distance of the mechanical key.

Description

Release testing machine for mechanical key in automobile electronic key

Technical Field

The invention belongs to the technical field of testing, and relates to a release testing machine, in particular to a release testing machine for a mechanical key in an automobile electronic key.

Background

The mechanical key is hidden in the automobile electronic key, and most of the electronic keys can be opened at the lock catch or the button on the back or the side face to withdraw or rotate out of the mechanical key. The mechanical key is not often taken out for use, and under the accumulation of the daily month, the flexibility of the mechanical key popping out the key can be influenced to a certain extent, and meanwhile, the displacement of the mechanical key popping out can also be influenced.

As a result of the above-mentioned problems, a key detection device is disclosed in chinese patent literature [ patent No.: ZL201210457239.2; authorized bulletin number: CN103808498A ]. The key detection device is used for detecting keys. The key comprises a key cap. The key detection device comprises a load unit and a sleeve. The loading unit comprises a block and a rod body. The rod body is provided with a first end and a second end. The first end is detachably connected to the block. The sleeve is sleeved on the periphery of the loading unit and comprises a partition plate. The partition plate has a through hole. The through hole allows the second end to pass through. After the sleeve is positioned over the key and the second end contacts the key cap, the weight of the load cell is applied to the key cap in turn from that applied to the spacer.

However, the key detection device has a single structure and cannot control the frequency of key testing better. Therefore, for those skilled in the art, a device capable of more effectively implementing the test of the mechanical key buttons in the automobile electronic key has yet to be developed.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a release testing machine for a mechanical key in an automobile electronic key.

The aim of the invention can be achieved by the following technical scheme:

the release testing machine for the mechanical key in the automobile electronic key comprises a base and is characterized in that a first workbench is arranged on the base and is fixed on the base through a plurality of first supporting legs, a first sliding table is vertically fixed on the first workbench, a first groove is vertically formed in the first sliding table, a first screw rod is vertically arranged in the first groove of the first sliding table through a bearing seat, a first sliding block is arranged on the first screw rod, a first through hole is formed in the first sliding block, a first bearing is arranged in the first through hole, a first nut is fixed on an inner ring of the first bearing, the first nut is matched with the first screw rod, a key touch rod is arranged on the first sliding block through a first mounting frame, and a pressure sensor is further arranged between the key touch rod and the first mounting frame; the base on the level be fixed with slip table two, slip table two on the level set up recess two, slip table two in the recess two be provided with lead screw two through the bearing frame level, lead screw two on be provided with slider two, slider two on set up through-hole two, be provided with bearing two in the through-hole, be fixed with nut two on the inner circle of bearing two, nut two and lead screw two mutually support, slider two's upper surface be provided with a drive shaft through mounting bracket two, the other end of drive shaft be provided with the manipulator that can clip mechanical key, the base on be provided with workstation two, and the workstation is fixed on the base through a plurality of stabilizer blades two, workstation two on still be equipped with the buffer mechanism that can play the cushioning effect at mechanical key back to the in-process in the electronic key.

The first nut in the release testing machine for the mechanical key in the automobile electronic key can drive the first sliding block to lift up and down along the first screw rod through the first bearing, so that the key touch rod on the first mounting frame can reciprocate up and down along the first groove on the first sliding table, the release key of the mechanical key in the automobile electronic key can be pressed at a certain frequency more simply, and the service life of the release key and whether corresponding sensitivity can be still maintained after a period of working can be detected; the second nut can drive the second slider to slide left and right along the second screw rod through the second bearing, so that the driving shaft on the second mounting frame can reciprocate left and right along the second groove on the second sliding table, the mechanical arm returns the ejected push-down automobile electronic key to the set initial position at a certain frequency, the mechanical key is ejected again after the release key is pressed down again, and whether the ejected distance of the mechanical key reaches the set standard and the ejected sensitivity is detected according to whether the mechanical key can be grasped again by the mechanical arm.

In the above-mentioned release testing machine for a mechanical key in an automobile electronic key, a first travel switch is slidably disposed on a side wall of the first sliding table, and a first displacement sensor is also fixed on the same side wall of the first sliding table. The first travel switch can set the limit of the displacement of the initial position after the key touch rod contacts the release key, so that the control of the up-and-down lifting frequency of the key touch rod is realized, and meanwhile, the first displacement sensor can detect the distance between the first positioning sensor and the first travel switch, so that the first travel switch is adjusted in height position on the first sliding table.

In the above-mentioned release testing machine for a mechanical key in an automobile electronic key, the first sliding table is fixed with a first long slat along the length direction, and the first sliding block is provided with a first through slot matched with the first long slat. By fixing the first long slat on the first sliding table, the stability of the first sliding block in reciprocating motion up and down along the first groove on the first sliding table can be ensured.

In the above-mentioned release testing machine of mechanical key in the car electronic key, a side wall of slip table two slide and be provided with travel switch two, and still fix displacement sensor two on the same side wall of slip table two. The travel switch II can set the mechanical key that pops out to the car electronic key with the manipulator on the drive shaft after, the restriction of interval between car electronic key when returning to initial position, whether can grasp the mechanical key according to the manipulator returns to initial position, detects the displacement that the mechanical key needs to pop out, simultaneously, can detect the interval between location sensor II and the travel switch II through the displacement sensor II to carry out the regulation to travel switch II on slip table II and car electronic key interval.

In the above-mentioned release testing machine for a mechanical key in an automobile electronic key, the second sliding table is fixed with a second long slat along the length direction, and the second sliding block is provided with a second through slot matched with the second long slat. Through fixed rectangular board two on slip table two to can guarantee to make slider two carry out left and right sides reciprocating motion's stability along the recess two on slip table two.

In the release testing machine of the mechanical key in the automobile electronic key, the first workbench is provided with the first mounting plate, the first mounting plate is provided with the first clamping block and the second clamping block which can clamp the automobile electronic key, the first clamping block is fixed on the first mounting plate, the first mounting plate is horizontally provided with the sliding groove, the second clamping block can slide along the sliding groove, the first mounting plate is further provided with the supporting plate, the supporting plate is provided with the threaded hole, the threaded hole is in threaded connection with the bolt, and one end of the bolt is fixed on one side surface of the second clamping block, which is opposite to the first clamping block. The spacing between the first clamping block and the second clamping block can be adjusted by forward and reverse rotation of the bolts, so that the automobile electronic keys with different sizes can be clamped.

In the release testing machine for the mechanical key in the automobile electronic key, a first rubber sheet is arranged on one side face, facing to the second clamping block, of the first clamping block, and a second rubber sheet is arranged on one side face, facing to the first clamping block, of the second clamping block. The first clamping block is provided with the first rubber sheet, and the second clamping block is provided with the second rubber sheet, so that the automobile electronic key can be damaged in the clamping process.

In the release testing machine of mechanical key in the automobile electronic key, the buffer mechanism comprises a mounting plate II, a guide rod, a buffer spring and a slider III, wherein the mounting plate II is fixed on a workbench II, a protruding strip is fixed on the upper surface of the mounting plate II, an adjusting groove matched with the protruding strip is formed in the lower surface of the slider III, a mounting hole I and a mounting hole II are formed in the slider III, a driving shaft penetrates through the mounting hole I, the guide rod I is parallel to the driving shaft, the guide rod penetrates through the mounting hole II, a blocking block I and a blocking block II are vertically fixed at two ends of the guide rod, the blocking block I and the blocking block II are fixed on the mounting plate II, one end of the buffer spring is fixed on one side face of the blocking block I, and the other end of the buffer spring II is fixed on one side face of the sliding block III, which faces the blocking block I. The drive shaft is arranged on the first mounting hole of the third slider in a penetrating mode, the third slider can slide along the adjusting groove on the second mounting plate, the buffer spring is utilized to deform under the action of external force, the original shape is restored after the external force is removed, and therefore the mechanical key can play a certain buffer role in the process of pushing the mechanical key to the automobile electronic key, and damage to the automobile electronic key is avoided.

In the release testing machine for the mechanical key in the automobile electronic key, the first servo motor is fixed on the lower surface of the first workbench, an output shaft of the first servo motor is vertically upwards, and the end part of the output shaft of the first servo motor is connected to the first screw rod through a coupler. The first servo motor can drive the first screw rod to rotate positively and negatively, so that the button touch rod can automatically press the release button at a certain frequency.

In the release testing machine for the mechanical key in the automobile electronic key, the second servo motor is fixed on the base, an output shaft of the second servo motor is vertically upwards, and the end part of the output shaft of the second servo motor is connected to the second screw rod through the coupler. The second servo motor can drive the second screw rod to rotate positively and negatively, so that a mechanical hand on the driving shaft can automatically push a mechanical key to an automobile electronic key at a certain frequency.

Compared with the prior art, the release testing machine for the mechanical key in the automobile electronic key has the following advantages:

1. according to the invention, the first nut can drive the screw rod along the first screw rod, the first bearing can realize the up-and-down reciprocating motion of the key touch rod on the first mounting frame along the first groove on the first sliding table, and the first travel switch can set the limit of the displacement of the key touch rod which returns to the initial position after the key touch rod contacts the release key, so that the control of the up-and-down lifting frequency of the key touch rod is realized, and the device can be used for detecting the service life of the release key more simply and conveniently and can still maintain the corresponding sensitivity after a period of operation.

2. According to the invention, the screw nut can be driven along the screw rod II, the driving shaft on the mounting rack II can reciprocate left and right along the groove II on the sliding table II through the bearing II, the travel switch II can set the limit of the distance between the mechanical key ejected by the mechanical hand on the driving shaft and the automobile electronic key when the mechanical key returns to the initial position after pushing the mechanical key to the automobile electronic key, and the displacement of the mechanical key required to be ejected is detected according to whether the mechanical key can be grasped by the mechanical hand returning to the initial position, so that whether the ejected distance of the mechanical key reaches the set standard and the ejection sensitivity is judged.

3. The driving shaft is arranged on the first mounting hole of the sliding block III in a penetrating way, the buffer spring deforms under the action of external force, and the buffer spring returns to the original state after the external force is removed, so that the mechanical key plays a certain buffer role in the process of pushing the mechanical key to the automobile electronic key, and the automobile electronic key is prevented from being damaged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of a first slide of the present invention;

fig. 3 is a schematic cross-sectional structure of a second slide table in the present invention.

In the figure, 1, a base; 2. a first workbench; 3. a sliding table I; 4. a first long slat; 5. a first screw rod; 6. a first sliding block; 7. a first mounting frame; 8. a key touch bar; 9. a pressure sensor; 10. a travel switch I; 11. a displacement sensor I; 12. a clamping block I; 13. a clamping block II; 14. a first mounting plate; 15. a support plate; 16. a bolt; 17. a servo motor I; 18. a sliding table II; 19. a second screw rod; 20. a second slide block; 21. a drive shaft; 22. a second mounting frame; 23. a manipulator; 24. a travel switch II; 25. a second sensor is moved; 26. a second long strip plate; 27. a second mounting plate; 28. a guide rod; 29. a buffer spring; 30. a third slide block; 31. a second workbench; 32. a protruding strip; 33. a first blocking block; 34. a second blocking block; 35. a servo motor II; 36. an automotive electronic key; 37. a mechanical key.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a release testing machine for a mechanical key in an automobile electronic key comprises a base 1, wherein a first workbench 2 is arranged on the base 1, the first workbench 2 is fixed on the base 1 through a first supporting leg, a first mounting plate 14 is arranged on the first workbench 2, a first clamping block 12 and a second clamping block 13 which can clamp an automobile electronic key 36 are arranged on the first mounting plate 14, the first clamping block 12 is fixed on the first mounting plate 14, a sliding groove is horizontally formed in the first mounting plate 14, the second clamping block 13 can slide along the sliding groove, a supporting plate 15 is further arranged on the first mounting plate 14, a threaded hole is formed in the supporting plate 15, a bolt 16 is connected in the threaded hole in a threaded mode, and one end of the bolt 16 is fixed on one side face, back to the first clamping block 12, of the second clamping block 13. The adjustment of the distance between the first clamping block 12 and the second clamping block 13 can be realized by forward and reverse rotation of the bolt 16, so that the automobile electronic keys 36 with different sizes can be clamped.

A first rubber sheet is arranged on one side surface of the first clamping block 12 facing the second clamping block 13, and a second rubber sheet is arranged on one side surface of the second clamping block 13 facing the first clamping block 12. The first clamping block 12 is provided with the first rubber sheet, and the second clamping block 13 is provided with the second rubber sheet, so that the automobile electronic key 36 can be damaged in the clamping process.

As shown in fig. 2, a first sliding table 3 is further vertically fixed on the first working table 2, a first groove is vertically formed in the first sliding table 3, a first screw rod 5 is vertically arranged in the first groove of the first sliding table 3 through a bearing seat, a first sliding block 6 is arranged on the first screw rod 5, a first through hole is formed in the first sliding block 6, a first bearing is arranged in the first through hole, a first nut is fixed on an inner ring of the first bearing, the first nut is matched with the first screw rod 5, a first key touch rod 8 is arranged on the first sliding block 6 through a first mounting frame 7, and a pressure sensor 9 is further arranged between the first key touch rod 8 and the first mounting frame 7. The first sliding table 3 is fixedly provided with a first long slat 4 along the length direction, and the first sliding block 6 is provided with a first through slot matched with the first long slat 4. By fixing the first long slat 4 on the first slide table 3, the stability of the up-and-down reciprocating movement of the first slide block 6 along the first groove on the first slide table 3 can be ensured. The lower surface of the workbench I2 is fixedly provided with a servo motor I17, an output shaft of the servo motor I17 is vertically upwards, and the end part of the output shaft of the servo motor I17 is connected to the screw rod I5 through a coupling. The first servo motor 17 can drive the first screw rod 5 to rotate forwards and backwards, so that the key touch rod 8 can automatically press the release key at a certain frequency.

A travel switch I10 is slidably arranged on one side wall of the sliding table I3, and a displacement sensor I11 is also fixed on the same side wall of the sliding table I3. The first travel switch 10 can set the limit of the displacement of the initial position after the key touch rod 8 contacts the release key, thereby realizing the control of the up-and-down lifting frequency of the key touch rod 8, and meanwhile, the first positioning sensor 11 can detect the distance between the first positioning sensor 11 and the first travel switch 10, thereby adjusting the height position of the first travel switch 10 on the first sliding table 3.

As shown in fig. 3, a second sliding table 18 is horizontally fixed on the base 1, a second groove is horizontally formed in the second sliding table 18, a second screw rod 19 is horizontally arranged in the second groove of the second sliding table 18 through a bearing seat, a second sliding block 20 is arranged on the second screw rod 19, a second through hole is formed in the second sliding block 20, a second bearing is arranged in the second through hole, a second nut is fixed on an inner ring of the second bearing, the second nut is mutually matched with the second screw rod 19, a driving shaft 21 is arranged on the upper surface of the second sliding block 20 through a second mounting frame 22, a manipulator 23 capable of clamping a mechanical key 37 is arranged at the other end of the driving shaft 21, a second workbench 31 is arranged on the base 1, the second workbench 31 is fixed on the base 1 through a second supporting leg, a second long slat 26 is fixed on the second sliding table 18 along the length direction, and a second through slot matched with the second long slat 26 is formed in the second sliding block 20. By fixing the second long slat 26 to the second slide 18, the stability of the left-right reciprocation of the second slider 20 along the second groove on the second slide 18 can be ensured. A second servo motor 35 is fixed on the base 1, an output shaft of the second servo motor 35 is vertically upwards, and the end part of the output shaft of the second servo motor 35 is connected to the second screw rod 19 through a coupling. The second servo motor 35 can drive the second screw rod 19 to rotate forward and backward, so that the mechanical arm 23 on the driving shaft 21 can automatically push the mechanical key 37 to the automobile electronic key 36 at a certain frequency.

A travel switch II 24 is slidably arranged on one side wall of the sliding table II 18, and a displacement sensor II 25 is also fixed on the same side wall of the sliding table II 18. The second travel switch 24 can set the limit of the distance between the mechanical arm 23 on the drive shaft 21 and the car electronic key 36 when the mechanical arm 23 returns to the initial position after pushing the ejected mechanical key 37 to the car electronic key 36, detect the displacement of the mechanical key 37 to be ejected according to whether the mechanical arm 23 can grasp the mechanical key 37 when returning to the initial position, and simultaneously, can detect the distance between the second positioning sensor 25 and the second travel switch 24 through the second positioning sensor 25, thereby adjusting the distance between the second travel switch 24 and the car electronic key 36 on the second slide table 18.

In addition, the second workbench 31 is further provided with a buffer mechanism which can play a buffer role in the process that the mechanical key 37 returns to the electronic key, the buffer mechanism comprises a second mounting plate 27, a guide rod 28, a buffer spring 29 and a third slider 30, the second mounting plate 27 is fixed on the second workbench 31, a protruding strip 32 is fixed on the upper surface of the second mounting plate 27, an adjusting groove matched with the protruding strip 32 is formed in the lower surface of the third slider 30, a first mounting hole and a second mounting hole are formed in the third slider 30, the driving shaft 21 is arranged in the first mounting hole in a penetrating manner, the first guide rod 28 is parallel to the driving shaft 21, the guide rod 28 is arranged in the second mounting hole in a penetrating manner, a first blocking block 33 and a second blocking block 34 are vertically fixed at two ends of the guide rod 28, the first blocking block 33 and the second blocking block 34 are fixed on the second mounting plate 27, one end of the buffer spring 29 is fixed on one side surface of the first blocking block 33 facing the third slider 30, and the other end of the buffer spring 29 is fixed on one side surface of the third slider 33 facing the blocking block 33. The driving shaft 21 is arranged on the first mounting hole of the third slider 30 in a penetrating manner, the third slider 30 can slide along the adjusting groove on the second mounting plate 27, and the buffer spring 29 is utilized to deform under the action of external force, so that the mechanical key 37 can play a certain buffering role in the process of pushing the mechanical key 37 to the automobile electronic key 36, and damage to the automobile electronic key 36 is avoided.

The first nut in the release testing machine for the mechanical key in the automobile electronic key can drive the first slider 6 to lift up and down along the first screw rod 5 through the first bearing, so that the key touch rod 8 on the first mounting frame 7 can reciprocate up and down along the first groove on the first sliding table 3, the release key of the mechanical key 37 in the automobile electronic key 36 can be pressed at a certain frequency more simply, and the service life of the release key can be detected, and the corresponding sensitivity can be still maintained after a period of working; the second nut can drive the second slider 20 to slide left and right along the second screw rod 19 through the second bearing, so that the driving shaft 21 on the second mounting frame 22 can reciprocate left and right along the second groove on the second sliding table 18, the mechanical arm 23 returns the ejected push-out automobile electronic key 36 to the set initial position at a certain frequency, when the release key is pressed down again, the mechanical key 37 is ejected again, and whether the ejected distance of the mechanical key 37 reaches the set standard or not and the ejected sensitivity are detected according to whether the mechanical arm can grasp the mechanical key 37 again or not.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, base is used more herein; 2. a first workbench; 3. a sliding table I; 4. a first long slat; 5. a first screw rod; 6. a first sliding block; 7. a first mounting frame; 8. a key touch bar; 9. a pressure sensor; 10. a travel switch I; 11. a displacement sensor I; 12. a clamping block I; 13. a clamping block II; 14. a first mounting plate; 15. a support plate; 16. a bolt; 17. a servo motor I; 18. a sliding table II; 19. a second screw rod; 20. a second slide block; 21. a drive shaft; 22. a second mounting frame; 23. a manipulator; 24. a travel switch II; 25. a second sensor is moved; 26. a second long strip plate; 27. a second mounting plate; 28. a guide rod; 29. a buffer spring; 30. a third slide block; 31. a second workbench; 32. a protruding strip; 33. a first blocking block; 34. a second blocking block; 35. a servo motor II; 36. an automotive electronic key; 37. mechanical keys, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims

1. The release testing machine for the mechanical key in the automobile electronic key comprises a base and is characterized in that a first workbench is arranged on the base and is fixed on the base through a plurality of first supporting legs, a first sliding table is further vertically fixed on the first workbench, a first groove is vertically formed in the first sliding table, a first screw rod is vertically arranged in the first groove of the first sliding table through a bearing seat, a first sliding block is arranged on the first screw rod, a first through hole is formed in the first sliding block, a first bearing is arranged in the first through hole, a first nut is fixed on an inner ring of the first bearing, the first nut is matched with the first screw rod, a first travel switch is slidably arranged on one side wall of the first sliding table, a first displacement sensor is further fixed on the same side wall of the first sliding table, a first key touch rod is arranged on the first sliding block through a first mounting frame, and a pressure sensor is further arranged between the first key touch rod and the first mounting frame; the base on the level be fixed with slip table two, slip table two on the level set up recess two, slip table two in recess two be provided with screw rod two through the bearing frame level, screw rod two on be provided with slider two, slider two on set up through-hole two, be provided with bearing two in the through-hole, be fixed with nut two on the inner circle of bearing two, nut two and screw rod two mutually support, slip table two's a lateral wall on slide be provided with travel switch two, and still fix displacement sensor two on slip table two's the same lateral wall, slider two's upper surface be provided with a drive shaft through mounting bracket two, the other end of drive shaft be provided with the manipulator that can clip mechanical key, the base on be provided with workstation two, and workstation two fix on the base through a plurality of stabilizer blades two, workstation two on still be equipped with the buffer gear that can play the cushioning effect in the mechanical key returns to the electronic key.

2. The machine for testing the release of a mechanical key from an electronic key of an automobile according to claim 1, wherein the first sliding table is fixed with a first long plate along the length direction, and the first sliding block is provided with a first through slot matched with the first long plate.

3. The machine for testing the release of a mechanical key from an electronic key for automobiles according to claim 1, wherein the second sliding table is fixed with a second long plate along the length direction, and the second sliding block is provided with a second through slot matching with the second long plate.

4. The machine for testing the release of a mechanical key in an electronic key of an automobile according to claim 1, wherein the first workbench is provided with a first mounting plate, the first mounting plate is provided with a first clamping block and a second clamping block which can clamp the electronic key of the automobile, the first clamping block is fixed on the first mounting plate, the first mounting plate is horizontally provided with a sliding chute, the second clamping block can slide along the sliding chute, the first mounting plate is also provided with a supporting plate, the supporting plate is provided with a threaded hole, a bolt is connected in the threaded hole in a threaded manner, and one end of the bolt is fixed on one side surface of the second clamping block, which is opposite to the first clamping block.

5. The machine for testing the release of a mechanical key from an electronic key of an automobile according to claim 4, wherein a side of the first clamping block facing the second clamping block is provided with a first rubber sheet, and a side of the second clamping block facing the first clamping block is provided with a second rubber sheet.

6. The machine for testing the release of a mechanical key in an electronic key of an automobile according to claim 1, wherein the buffer mechanism comprises a mounting plate II, a guide rod, a buffer spring and a slide block III, the mounting plate II is fixed on a workbench II, a protruding strip is fixed on the upper surface of the mounting plate II, an adjusting groove matched with the protruding strip is formed in the lower surface of the slide block III, a mounting hole I and a mounting hole II are formed in the slide block III, a driving shaft penetrates through the mounting hole I, the guide rod I is parallel to the driving shaft, the guide rod penetrates through the mounting hole II, a blocking block I and a blocking block II are vertically fixed at two ends of the guide rail, the blocking block I and the blocking block II are fixed on the mounting plate II, one end of the buffer spring is fixed on one side face of the blocking block I facing the slide block III, and the other end of the buffer spring II is fixed on one side face of the slide block III facing the blocking block I.

7. The machine for testing the release of a mechanical key in an electronic key of an automobile according to claim 1, wherein the first servomotor is fixed on the lower surface of the first workbench, an output shaft of the first servomotor is vertically upward, and an end portion of the output shaft of the first servomotor is connected to the first screw rod through a coupling.

8. The machine for testing the release of a mechanical key in an electronic key of an automobile according to claim 1, wherein the second servo motor is fixed on the base, an output shaft of the second servo motor is vertically upward, and an end part of the output shaft of the second servo motor is connected to the second screw rod through a coupling.