CN113391673B

CN113391673B - Key device and application tester thereof

Info

Publication number: CN113391673B
Application number: CN202110649326.7A
Authority: CN
Inventors: 陈龙
Original assignee: Inventec Pudong Technology Corp
Current assignee: Inventec Pudong Technology Corp
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2023-05-16
Anticipated expiration: 2041-06-10
Also published as: CN113391673A

Abstract

The invention relates to the field of detection, in particular to a key device and an application tester thereof. Including the brace table, the brace table top is equipped with presses the mechanism, presses the mechanism to include the cell body and press the part, forms between cell body and the brace table and places the space, and cell body and place the space intercommunication, presses the one end that the part is close to the cell body and can dismantle with the cell body and be connected, and presses the part and can follow the thickness direction of placing the space and remove. The key device can adapt to keyboards of different models, so that the problem that the position of a pressing part in the conventional tester cannot be adjusted is solved, the universality of the tester is improved, and the detection cost is reduced.

Description

Key device and application tester thereof

Technical Field

The invention relates to the field of detection, in particular to a key device and an application tester thereof.

Background

The keyboard of the computer comprises keys which can be pressed downwards, the keyboard of the computer is used for inputting instructions and data into the computer, and a common tester at present is a tester for rubber keys of the keyboard of the computer disclosed in the patent with the application number of 2018101382393, and a bottom supporting seat and a key detection device are disclosed; a plurality of lifting cylinders are arranged on the upper end surface of the bottom supporting seat; the key detection device comprises a detection support plate; the detection supporting plate is detachably arranged on a piston rod of the lifting cylinder; a plurality of vertically arranged upper support rods are arranged on the upper end surface of the detection support plate; an upper supporting plate is fixed at the upper end of the upper supporting rod; an electromagnet is arranged on the lower end surface of the upper supporting plate; an upper detection column of a plurality of metal parts is vertically inserted into the detection support plate; the lower end of the detection column is inserted with a lower detection column made of plastic.

The tester is provided with a plurality of pressing parts which are in one-to-one correspondence with the keys: the detection column is provided with a left supporting groove, a right supporting groove and a rear supporting groove below the detection column, the left end, the right end and the rear end of the flexible circuit board are respectively inserted into the three supporting grooves during detection, and then the detection column slides downwards to press the silicone rubber keys on the flexible circuit board in the keyboard. In actual production, taking the keyboard on the notebook computer as an example, the length and the width of the notebook computers with different sizes are different, and the width and the length of the keyboard arranged on the notebook computer are also different, so that the total number, the size and the distance between adjacent keys in the keyboard of the notebook computer are often different, the position of the detection column in the tester is fixed, and when the keyboards of the notebook computers with different sizes are detected, the situation that the detection column cannot be opposite to the keys one by one possibly exists, and the detection result can be influenced. The support plate and the detection column which are adapted to the notebook computers with different sizes are customized according to the notebook computers, on one hand, due to the fact that the customization step is added, and the support plate and the detection column are required to be replaced before detection, the detection procedure is increased, and the detection efficiency is reduced; on the other hand, customization also increases the detection cost, so a device that can be used for keyboards of different sizes and for pressing keys on a keyboard of a notebook computer is needed.

Disclosure of Invention

The invention aims to provide a key device which can adapt to keyboards and notebook computers with different sizes, so as to solve the problem that the position of a pressing part in the conventional tester cannot be adjusted, improve the universality of the tester and reduce the detection cost.

In order to achieve the above purpose, the invention adopts the following technical scheme: the key device comprises a supporting table, a pressing mechanism is arranged above the supporting table and comprises a groove body and a pressing part, a placing space is formed between the groove body and the supporting table, the groove body is communicated with the placing space, one end of the pressing part, which is close to the groove body, is detachably connected with the groove body, and the pressing part can move along the thickness direction of the placing space.

The beneficial effects of the scheme are still described by taking a keyboard on a notebook computer as an example:

1. when detecting the keyboard of the notebook computer with different sizes, because the pressing part can be detached from the groove body, after the notebook computer to be detected is placed on the supporting table, the pressing part corresponding to the pressing part can be installed according to the position of the key, so that the pressing mechanism in the scheme can adapt to the notebook computers with different sizes without integrally replacing the pressing mechanism, and the detection cost is prevented from increasing while the better detection efficiency is ensured.

2. The pressing mechanism in this scheme is located the top of brace table, detects the time spent on notebook computer's keyboard, because notebook computer is placed on the brace table, so press the top that the part is located the keyboard, press the part and can fix a position notebook computer this moment, and notebook computer need slope and can follow the brace table and overturn, so press the part and prevent that notebook computer one end from upwards wandering can avoid notebook computer to overturn to avoid notebook computer to take place to shift or drop.

Further, the cell body is first limiting plate, is equipped with a plurality of first recesses on the first limiting plate, presses the part along horizontal and first recess sliding connection.

The beneficial effect of this scheme is: when detecting the keyboard of notebook computer of different sizes, the position that the part can be pressed to the slip is pressed to the slip, and need not to pull down the part down earlier and install the part to the position relative with the button again for the adjustment of pressing the part position is simpler.

Further, the pressing part comprises a push rod and a connecting piece, the connecting piece is detachably connected with the first limiting plate, and the push rod is connected with the connecting piece and can move along the thickness direction of the placing space.

The beneficial effect of this scheme is: the push rod in this scheme is used for pressing the button on the keyboard downwards, and the connecting piece is used for being connected with first limiting plate, when the easy to assemble push rod, also is convenient for make the push rod follow the thickness direction of placing the space for first limiting plate and remove.

Further, the connecting piece is first driving piece, and first driving piece can dismantle with first limiting plate and be connected, and first driving piece is connected and is used for driving the push rod and removes along the thickness direction in place space with the push rod.

The beneficial effect of this scheme is: according to the scheme, the push rod can be pushed to slide through the first driving piece, the push rod is not required to be pushed manually, and the workload in detection is reduced. And during detection, the first driving piece can be controlled to automatically push the push rod to slide, so that automatic detection can be realized, and the detection efficiency is further improved.

Further, the first driving piece is electrically connected with a controller, a control system is operated in the controller, the control system comprises a command receiving module and a command analyzing module, the command receiving module is used for receiving a detection command, and the command analyzing module is used for controlling the corresponding first driving piece to be opened and closed according to the detection command.

The beneficial effect of this scheme is: when the command receiving module receives a detection command for pressing a certain key of the keyboard, the command analyzing module analyzes the command and finally controls the first driving piece opposite to the key to be opened and closed, and the push rod is driven to automatically press the key when the first driving piece is started, so that full-automatic detection is realized, detection efficiency is further improved, detection results are conveniently and one-to-one corresponding to the keys for completing detection, and automatic formation of a detection report is facilitated.

Further, the first groove is a first through groove, the two side walls of the first through groove are all provided with L-shaped guide grooves, the first driving piece is detachably connected with a mounting ring, the mounting ring is opposite to the first through groove, and the two ends of the mounting ring are respectively positioned in the guide grooves on the two sides of the first through groove and are in sliding connection with the guide grooves.

The beneficial effect of this scheme is: the guide groove in the scheme can limit the mounting ring on one hand, so that the first driving piece can be conveniently mounted; on the other hand, the guide slot and the mounting ring are matched, so that the transverse sliding of the first driving piece can be guided, the first driving piece and the push rod are prevented from being inclined, and the push rod is ensured to be opposite to the key.

Further, the pressing mechanism further comprises a second limiting plate, the second limiting plate is pressed on the first limiting plate, a plurality of second through grooves are formed in the second limiting plate, the second through grooves correspond to the first through grooves one to one, and the first driving piece is in sliding connection with the second through grooves.

The beneficial effect of this scheme is: the second limiting plate can position the mounting ring after being pressed on the first limiting plate, and the mounting ring is prevented from falling off. And compared with the method for directly machining the U-shaped groove on the side wall of the first through groove, the method for machining the L-shaped guide groove on the first limiting plate is simpler.

Further, a moving mechanism is arranged above the supporting table and comprises two moving assemblies, wherein the moving assemblies comprise moving arms and upright posts, and the two moving assemblies are respectively positioned at two sides of the first limiting plate; the stand is vertically arranged in the lateral direction of the supporting table, the movable arm is connected with the stand, and one end, close to the first limiting plate, of the movable arm is detachably connected with the first limiting plate and used for driving the first limiting plate to be away from the supporting table.

The beneficial effect of this scheme is: after detection is completed, the first limiting plate can be moved to one side far away from the notebook computer through the moving arm, so that the notebook computer after detection is conveniently taken down and the notebook computer to be detected next is placed.

Further, the upright post is a screw rod, a ball nut is sleeved on the upright post, and one end of the movable arm, which is far away from the first limiting plate, is fixed with the ball nut; the moving assembly further comprises a first guide rod, the first guide rod vertically penetrates through the moving arm, the moving arm is in sliding connection with the first guide rod, and the moving assembly further comprises a power piece which is connected with the screw rod and used for driving the screw rod to rotate.

The beneficial effect of this scheme is: the stand and ball nut in this scheme constitute ball screw structure, can drive the axial displacement of removal arm along the stand through rotating the lead screw, and compare with the removal that realizes first limiting plate through rotating the removal arm, the removal arm in this scheme is along rectilinear motion, when detecting the notebook computer of different specifications, even the thickness of different notebook computers also can avoid first limiting plate to take place to warp to make the push rod keep vertical to guarantee that the push rod can press the button.

Further, the first limiting plate is in sliding connection with the movable arm along the width direction of the first limiting plate.

The beneficial effect of this scheme is: the position of the first limiting plate can be adjusted along the horizontal direction through sliding the first limiting plate, so that the push rod is further ensured to be right opposite to the key.

Further, the supporting bench includes two supporting shoes that are located first backup pad both ends respectively, first backup pad below is equipped with adjustment mechanism, adjustment mechanism includes the second guide bar, double-end lead screw and second driving piece, the second guide bar runs through two supporting shoes along transversely, and two supporting shoes all with second guide bar sliding connection, the screw thread at double-end lead screw both ends revolves to opposite, double-end lead screw is parallel with the second guide bar, and two supporting shoes are run through respectively at double-end lead screw's both ends, the both ends of double-end lead screw constitute ball screw structure with two supporting shoes respectively, the second driving piece is used for driving double-end lead screw corotation and reversal with double-end lead screw connection.

The beneficial effect of this scheme is: when the double-head screw rod is rotated, the two supporting blocks can move in opposite directions, so that the two supporting blocks are close to each other or far away from each other, the two supporting blocks can support notebook computers with different widths, and the adaptability of the supporting table is further improved.

A test meter comprising a key arrangement according to any one of claims 1 to 9.

The beneficial effect of this scheme is: the tester in this scheme can detect the keyboard of different specifications, effectively reduces detection cost.

Drawings

Fig. 1 is a schematic perspective view of a key device in embodiment 1 of the present invention;

FIG. 2 is a perspective view of the first limiting plate of FIG. 1;

FIG. 3 is a schematic perspective view of another embodiment of the first limiting plate in FIG. 1;

FIG. 4 is a bottom perspective view of the first limiting plate in embodiment 2 of the present invention;

FIG. 5 is a perspective view of a first limiting plate in embodiment 3 of the present invention;

fig. 6 is a bottom perspective view of a key device in embodiment 4 of the present invention;

fig. 7 is a schematic perspective view of a key device in embodiment 5 of the present invention;

fig. 8 is a schematic diagram of embodiment 6 of the present invention.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the workbench 1, the mounting frame 11, the second guide rod 12, the sliding rail 13, the second scale mark 14, the upright post 15, the supporting block 2, the double-head screw 21, the first cross rod 22, the first rotary disc 23, the first driving piece 3, the mounting ring 31, the push rod 32, the moving arm 4, the moving through groove 41, the first scale mark 42, the sliding block 43, the upright frame 44, the extension part 45, the fourth cross rod 46, the first limiting plate 5, the L-shaped plate 51, the guide groove 52, the open groove 53, the second limiting plate 6, the first through groove 61, the second rotary disc 7, the belt transmission structure 71, the second cross rod 72, the third cross rod 73 and the sleeve 8.

Example 1

The key device comprises a workbench 1, a supporting table, a pressing mechanism, a moving mechanism and an adjusting mechanism, wherein the supporting table comprises two supporting blocks 2, the two supporting blocks 2 are opposite, and the two supporting blocks 2 are T-shaped along the vertical section. The adjustment mechanism includes double-end lead screw 21, second driving piece and two second guide bars 12, and double-end lead screw 21 and two second guide bars 12 all transversely locate workstation 1 top, and both ends all have mounting bracket 11 through the bolt fastening about workstation 1 in this embodiment, and two guide bars all run through two supporting shoe 2 and two mounting brackets 11 are all run through respectively at the both ends of guide bar, and the both ends and the two mounting bracket 11 interference fit of guide bar. The guide rod in this embodiment is in clearance fit with the support block 2, so that the support block 2 can slide along the axial direction of the guide rod. The double-ended screw 21 is located between the two supporting blocks 2, the screw threads at the two ends of the double-ended screw 21 are opposite in rotation direction, the two ends of the double-ended screw 21 penetrate through the two supporting blocks 2 respectively, and the double-ended screw 21 and the supporting blocks 2 in the embodiment form a ball screw structure. In practical implementation, the double-ended screw rod 21 can be connected with a forward and reverse rotation motor through a coupling, and the double-ended screw rod 21 can be driven to rotate through the forward and reverse rotation motor. But another implementation is disclosed in this example: a first cross rod 22 is arranged above the workbench 1, a bearing is arranged on the first cross rod 22, and a bearing seat matched with the bearing is arranged at the front end of the workbench 1 through bolts. The rear end of the first cross bar 22 is connected with a first bevel gear through a flat key, the middle part of the double-end screw 21 is fixed with a second bevel gear through a bolt, the first bevel gear and the second bevel gear in the embodiment are meshed, so that the double-end screw 21 can be driven to rotate by rotating the first cross bar 22, and the position of the supporting block 2 is adjusted. The front end of first horizontal pole 22 is equipped with first carousel 23, and the front end of first horizontal pole 22 runs through first carousel 23 and with first carousel 23 interference fit, and the front end eccentric welding of first carousel 23 has first handle, through the position of the little range adjustment supporting shoe 2 that the manual work rotated first carousel 23 can be better.

The pressing mechanism is located above the supporting block 2, and the pressing mechanism comprises a groove body, a pressing part and a second limiting groove, wherein the groove body in the embodiment is a first limiting plate 5 horizontally arranged, and the second limiting plate 6 is located above the first limiting plate 5 and is attached to the top of the first limiting plate 5. A placement space is formed between the bottom of the first limiting plate 5 and the top of the supporting block 2 and used for placing a keyboard to be detected or a notebook computer to be detected, and when the keyboard to be detected is actually implemented, the first limiting plate 5 and the second limiting plate 6 can be obliquely arranged, and at the moment, the first limiting plate 5 and the second limiting plate 6 can be kept in a mutually attached state. Referring to fig. 2, six first grooves are disposed on the first limiting plate 5, in this embodiment, the first grooves are first through grooves 61, the six first through grooves 61 are sequentially distributed on the first limiting plate 5 from front to back, and the first through grooves 61 extend along the length direction of the first limiting plate 5. As shown in fig. 1, the second limiting plate 6 is pressed on top of the first limiting plate 5, and the second limiting plate 6 is detachably connected with the first limiting plate 5, specifically, a plurality of through holes are formed in the second limiting plate 6, fixing holes corresponding to the through holes one by one are formed in the first limiting plate 5, threads are formed on the side walls of the fixing holes, and in this embodiment, the second limiting plate 6 can be mounted on the first limiting plate 5 after the bolts penetrate through the through holes and are screwed into the fixing holes. Six second through grooves are arranged on the second limiting plate 6, and the second through grooves in the embodiment correspond to the first through grooves 61 one by one. In practical implementation, the number of the first through grooves 61 may be increased, as shown in fig. 3, the number of the first through grooves 61 is eighteen, and the number of the first through grooves 61 opposite to each row of keyboards is three, and the first through grooves 61 are distributed in sequence from left to right.

The pressing mechanism includes at least one pressing component, and in this embodiment, the pressing component is provided with a plurality of pressing components, specifically, the number of pressing components is the same as the number of keys included in a keyboard to be detected or a keyboard on a notebook computer, as shown in fig. 2, the pressing component includes a push rod 32 and a connecting piece, specifically, the connecting piece in this embodiment is a first driving piece 3, the push rod 32 vertically penetrates through a second through groove and a first through groove 61 and is in sliding fit with the first limiting plate 5 and the second limiting plate 6, and in actual implementation, the first driving piece 3 can adopt a linear driving piece or a cylinder, at this time, the push rod 32 is connected with a connecting rod of the linear driving piece or the cylinder, and can drive the push rod 32 to vertically slide to the lower part of the first limiting plate 5 through the linear driving piece or the cylinder to press the keys on the keyboard. However, the first driving member 3 in this embodiment adopts an electromagnet, specifically, the electromagnet is an XMD-1327H-01-24V27 push-out type round tube electromagnet manufactured by xinmingda XX limited company, and the push rod 32 is a columnar armature of the round tube electromagnet. The lower extreme of first driving piece 3 is equipped with collar 31, and collar 31 in this embodiment adopts the nut from taking of pipe formula electro-magnet, and nut and pipe formula electro-magnet's shell threaded connection, and the lateral wall of every first logical groove 61 all is equipped with L shape guide way 52, and both ends are located respectively in guide way 52 of the both sides around the first logical groove 61 around the collar 31, and the combination is shown in fig. 1, after second limiting plate 6 presses on first limiting plate 5, can carry out spacingly to collar 31, fixes a position first driving piece 3. In practical implementation, the mounting ring 31 can be fixed on the first limiting plate 5 by bolts, the push rod 32 is prevented from shifting in the detection process, and after the mounting ring 31 is positioned by the bolts, the bolts are removed when the position of the push rod 32 is required to be adjusted. In practical implementation, the first through groove 61 and the second through groove may be cross-shaped or L-shaped, and the push rod 32 may be adjusted in position in the left-right direction or in the front-back direction.

The moving mechanism comprises two moving components, the two moving components are respectively located at the left side and the right side of the first limiting plate 5 and are symmetrical along the first limiting plate 5, and the moving components at the right side are used for describing the structure of the moving components in the embodiment. The moving assembly comprises a moving arm 4, a stand column, a first guide rod and a power piece, wherein a stand frame 44 and a sliding rail 13 which are mutually parallel are fixed on the workbench 1 through bolts, the cross section of the stand frame 44 along the transverse direction is U-shaped with an opening facing left, the stand frame 44 is positioned on the right side of the sliding rail 13, the stand column is positioned in the stand frame 44, and the stand column is shielded by the stand frame 44. The bearings are installed at the upper end and the lower end of the upright post, two bearing seats are installed on the upright frame 44, the two bearings are respectively installed on the two bearing seats, specifically, the bearings in the embodiment adopt the existing needle roller bearings, the structures and installation modes of the bearings and the bearing seats are the same as those of the prior art, and the redundant description is omitted in the embodiment. The stand column in the embodiment adopts a screw rod, a ball nut is sleeved on the stand column, and the ball nut and the stand column form a ball screw structure. The power piece in this embodiment adopts positive and negative rotation motor, and the power piece passes through the bolt fastening on workstation 1, and the drive piece of power piece passes through the lower extreme of shaft coupling and lead screw to be connected for the drive stand rotates.

The first guide rod in this embodiment adopts slide rail 13, and slide rail 13 passes through the bolt vertical fixation on workstation 1, and ball nut's top is fixed with slider 43 through the bolt, and slider 43 in this embodiment is the U-shaped along the cross-section of horizontal direction, and slide rail 13's right-hand member is located slider 43, and slide rail 13 in this embodiment cooperates with slider 43 and can lead ball nut's reciprocates. The movable arm 4 is transversely arranged above the supporting block 2, the rear end of the movable arm 4 is fixed with a ball nut through a bolt, and a movable through groove 41 is formed in the movable arm 4 in the embodiment. Both ends all are equipped with L shaped plate 51 about first limiting plate 5, and L shaped plate 51 includes diaphragm and riser, and the riser welds at first limiting plate 5 top, and the diaphragm passes through the bolt fastening in the upper end of riser. One end of the transverse plate, which is far away from the vertical plate, passes through the movable through groove 41 and is in clearance fit with the movable through groove 41, the length of the movable through groove 41 in the embodiment is larger than that of the transverse plate, a plurality of threaded holes are formed in the top of the movable arm 4 along the length direction of the movable arm 4, and when the transverse plate is required to be positioned, jackscrews downwards pass through the threaded holes and are propped against the top of the transverse plate.

In addition, a first scale line 42 and a second scale line 14 are respectively disposed on the left moving arm 4 and the left sliding rail 13 in the embodiment, and the first scale lines 42 are transversely distributed and the first scale lines 42 are vertically distributed. The first graduation line 42 and the second graduation line 14 in this embodiment are respectively used for measuring the position of the first limiting plate 5, so as to facilitate the adjustment of the position of the first limiting plate 5.

The embodiment also discloses a tester, and in particular, the tester in the embodiment adopts the key device.

In this embodiment, a detection process is described by taking a keyboard of a notebook computer as an example, and the specific implementation process is as follows:

initially, the first limiting plate 5 is located above the supporting block 2, then the keyboard of the notebook computer slides along the horizontal direction between the first limiting plate 5 and the supporting block 2, at this time, the push rods 32 are located above the keyboard, and the push rods 32 are in one-to-one correspondence with the keys on the keyboard. Then, the two power parts are started, the two movable arms 4 slide downwards synchronously, the first limiting plate 5 is close to the keyboard, the power parts are closed after the push rod 32 is close to the keyboard, the first driving part 3 is started, the push rod 32 slides downwards by the first driving part 3, and the keys on the keyboard are pressed.

After the detection is completed, the first driving piece 3 is closed, and the push rod 32 is reset upwards. Then, the first driving piece 3 is started, the first driving piece 3 drives the upright post to reversely rotate, the movable arm 4 is reset upwards, the notebook computer is conveniently taken out, and the next notebook computer can be detected after the next notebook computer is put in.

When another notebook computer with different key positions and sizes on the keyboard is required to be detected, the steps are repeated, the notebook computer is placed on the supporting block 2, after the push rod 32 is close to the keys, the second limiting plate 6 is manually removed, the mounting ring 31 is horizontally slid, the position of the push rod 32 is adjusted, when the number of the push rods 32 is smaller than the number of the keys to be detected, new cylindrical electromagnets are replaced until the push rods 32 correspond to the keys to be detected one by one, then the second limiting plate 6 is installed on the first limiting plate 5, and nuts are positioned.

When the widths of the notebook computers to be detected are different, taking the increase of the width of the notebook computers as an example, before the notebook computers are put into the notebook computers, the first rotating disc 23 is manually rotated, and the first rotating disc 23 rotates to drive the first cross rod 22 to rotate, so that the double-headed screw 21 rotates positively, the two support blocks 2 slide in the directions away from each other, and the two support blocks 2 are ensured to support the notebook computers with larger widths. When the width of the notebook computer is reduced, the first rotating disc 23 is reversely rotated, so that the double-headed screw 21 is reversely rotated, and the two support blocks 2 are slid in the direction of being close to each other.

Example 2

On the basis of embodiment 1, as shown in fig. 4, the second limiting plate is not provided in the present embodiment, and the first groove in the present embodiment is not a through groove, specifically, the first through groove is an open groove 53, and the opening of the open groove 53 faces downward, the thickness of the placement space in the present embodiment is greater than that of the placement space in embodiment 1, at this time, the mounting ring is fixed in the open groove 53 by a bolt, the first driving member 3 is located below the first limiting plate, and the position of the push rod can be adjusted by pushing the first driving member 3 in the transverse direction, and the first driving member 3 in the present embodiment slides only in the open groove 53 where the first driving member 3 is located.

In addition, the bottom of the first limiting plate 5 is provided with a plurality of groups of groove groups, the plurality of groups of groove groups are sequentially distributed along the first limiting plate 5 from front to back, each group of groove groups comprises two open grooves 53, and the two open grooves 53 sequentially extend along the first limiting plate 5 from left to right.

Example 3

On the basis of embodiment 1, as shown in fig. 5, the connecting member in this embodiment is a sleeve 8, the sleeve 8 and the mounting ring 31 are fixed by bolts, and the sleeve 8 and the mounting ring 31 are coaxial. The external diameter of sleeve 8 is less than the width of first logical groove 61 and second logical groove, and the upper end of sleeve 8 is located the top of second limiting plate 6, and push rod 32 in this embodiment is the reverse T shape along vertical cross-section, and the lower extreme of push rod 32 is located the below of first limiting plate 5, and the upper end of push rod 32 extends into sleeve 8 in, specifically, the upper end of push rod 32 runs through the top of sleeve 8 and with sleeve 8 top clearance fit. The push rod 32 is sleeved with a spring, and two ends of the spring are welded on the transverse section of the lower end of the push rod 32 and the inner wall of the sleeve 8 respectively. In this embodiment, when the key needs to be pressed, the push rod 32 is pushed downwards to enable the push rod 32 to slide downwards, and the push rod 32 can press the key without a power mechanism, so that the detection cost is lower.

Example 4

On the basis of embodiment 1, as shown in fig. 6, the power part in this embodiment no longer adopts a forward and reverse rotation motor, the power part in this embodiment is located below the workbench 1, the power part adopts a second turntable 7, a second cross rod 72 and a third cross rod 73, and the connection between the second turntable 7 and the second cross rod 72 and the workbench 1 in this embodiment are the same as those between the first turntable 23 and the first cross rod 22, which are not described in detail in this embodiment.

A third bevel gear is mounted at the right end of the second cross bar 72, and a fourth bevel gear meshed with the third bevel gear is mounted on the frame. The bottom of the workbench 1 is fixedly provided with two brackets through bolts, a third cross rod 73 is transversely arranged between the two brackets, two ends of the third cross rod 73 penetrate through the two brackets respectively and are rotationally connected with the two brackets, two ends of the third cross rod 73 are sleeved with needle bearings, the brackets are provided with bearing seats, and the needle bearings are arranged on the bearing seats. The fourth bevel gear drives the third cross bar 73 to rotate through the existing belt transmission structure 71, and specifically, a driving pulley of the belt transmission structure 71 is coaxially connected with the fourth bevel gear, and a driven pulley of the belt transmission structure 71 is installed at the front end of the third cross bar 73 through a flat key.

The both ends of third horizontal pole 73 all are connected with the connection fifth bevel gear through the parallel key, the lower extreme of two stand 15 runs through workstation 1 and with workstation 1 clearance fit, the equal key-type of lower extreme of two stand 15 is connected with the sixth bevel gear with fifth bevel gear meshing, this embodiment drives two stand 15 simultaneously through rotating second carousel 7 and rotates, conveniently remove movable arm 4 along vertical short distance, and can relax messenger two stand 15 synchronous rotation, thereby make two movable arms 4 synchronous slip, avoid first limiting plate 5 crooked, guarantee push rod 32 to press the button after sliding downwards.

Example 5

On the basis of embodiment 1, this embodiment is different from embodiment 1 in that, as shown in fig. 7, in this embodiment, no slide rail 13, no screw rod, no first guide rod, and no power member are provided, the rear end of the moving arm 4 in this embodiment is integrally formed with an extension 45, a fourth cross rod 46 is provided between the two extension 45, and both ends of the fourth cross rod 46 are respectively fixed to the two extension 45 by bolts. The part between the two movable arms 4 and the extension part 45 is hinged with the upright post 15, when the first limiting plate 5 needs to be moved, the front end of the movable arm 4 can be lifted upwards by pressing the fourth cross rod 46 downwards, so that the first limiting plate 5 moves upwards, and the notebook computer is automatically loosened. After the extension 45 is released, the moving arm 4 is pressed on the notebook computer under the action of the first limiting plate 5, the second limiting plate 6, the L-shaped plate 51 and the plurality of first driving members 3, and the notebook computer is automatically positioned, otherwise, other operations in the embodiment are the same as those in the embodiment 1, and the detailed description is omitted.

Example 6

On the basis of embodiment 1, and as shown in fig. 8, a controller is further provided in this embodiment, specifically, the controller is a PLC, and all electromagnets are electrically connected to the I/O pins of the controller. The controller is internally provided with a control system, the control system comprises a command receiving module and a command analyzing module, the command receiving module is used for receiving the detection command, the command analyzing module is used for analyzing the detection command received by the command receiving module and finally controlling the opening and closing of the electromagnet corresponding to the detection command, so that the pressing of the corresponding key is realized, and the full-automatic detection is realized.

The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Key device, including supporting bench, its characterized in that: the supporting table is provided with a pressing mechanism, the pressing mechanism comprises a groove body and a pressing part, a placing space is formed between the groove body and the supporting table, the groove body is communicated with the placing space, one end, close to the groove body, of the pressing part is detachably connected with the groove body, and the pressing part can move along the thickness direction of the placing space;

the groove body is a first limiting plate, a plurality of first grooves are formed in the first limiting plate, and the pressing part is connected with the first grooves in a sliding mode along the transverse direction;

a moving mechanism is arranged above the supporting table and comprises two moving assemblies, wherein the moving assemblies comprise moving arms and upright posts, and the two moving assemblies are respectively positioned at two sides of the first limiting plate; the stand is vertically arranged at the lateral direction of the supporting table, the movable arm is connected with the stand, and one end of the movable arm, which is close to the first limiting plate, is detachably connected with the first limiting plate and is used for driving the first limiting plate to be far away from the supporting table.

2. The key device according to claim 1, wherein: the pressing part comprises a push rod and a connecting piece, the connecting piece is detachably connected with the first limiting plate, and the push rod is connected with the connecting piece and can move along the thickness direction of the placing space.

3. The key device according to claim 2, wherein: the connecting piece is first driving piece, first driving piece can dismantle with first limiting plate and be connected, first driving piece is connected with the push rod and is used for driving the push rod and removes along the thickness direction in place space.

4. A key device according to claim 3, wherein: the first driving part is electrically connected with a controller, a control system is operated in the controller, the control system comprises a command receiving module and a command analyzing module, the command receiving module is used for receiving a detection command, and the command analyzing module is used for controlling the corresponding first driving part to be opened and closed according to the detection command.

5. A key device according to claim 3, wherein: the first groove is a first through groove, L-shaped guide grooves are formed in the two side walls of the first through groove, the first driving piece is detachably connected with a mounting ring, the mounting ring faces the first through groove, and the two ends of the mounting ring are respectively located in the guide grooves on the two sides of the first through groove and are in sliding connection with the guide grooves.

6. The key device according to claim 5, wherein: the pressing mechanism further comprises a second limiting plate, the second limiting plate is pressed on the first limiting plate, a plurality of second through grooves are formed in the second limiting plate, the second through grooves correspond to the first through grooves one to one, and the first driving piece is in sliding connection with the second through grooves.

7. The key device according to claim 1, wherein: the upright post is a screw rod, a ball nut is sleeved on the upright post, and one end of the movable arm far away from the first limiting plate is fixed with the ball nut; the movable assembly further comprises a first guide rod, the first guide rod vertically penetrates through the movable arm, the movable arm is in sliding connection with the first guide rod, and the movable assembly further comprises a power piece which is connected with the screw rod and used for driving the screw rod to rotate.

8. The key device according to claim 1, wherein: the first limiting plate is connected with the movable arm in a sliding manner along the width direction of the first limiting plate.

9. The key device according to claim 1, wherein: the supporting bench includes two supporting shoes that are located first backup pad both ends respectively, first backup pad below is equipped with adjustment mechanism, adjustment mechanism includes second guide bar, double-end lead screw and second driving piece, two supporting shoes are run through along transversely to the second guide bar, and two supporting shoes all with second guide bar sliding connection, the screw thread at double-end lead screw both ends revolves to opposite, double-end lead screw is parallel with the second guide bar, and the both ends of double-end lead screw run through two supporting shoes respectively, the both ends of double-end lead screw constitute ball screw structure with two supporting shoes respectively, second driving piece is used for driving double-end lead screw corotation and reversal with double-end lead screw connection.

10. A tester, characterized in that: a key device comprising any one of the above claims 1-9.