CN115031138A

CN115031138A - Portable automobile diagnostic instrument

Info

Publication number: CN115031138A
Application number: CN202210630854.2A
Authority: CN
Inventors: 谭业; 陈仲才
Original assignee: Shenzhen Boshengke Electronic Co ltd
Current assignee: Shenzhen Boshengke Electronic Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-09

Abstract

The invention discloses a portable automobile diagnostic instrument, which comprises a diagnostic instrument shell and a support rod hinged to one side of the diagnostic instrument shell, wherein the support rod is connected with a sliding block in a sliding manner, the interior of the support rod is rotatably connected with a roller, and a connecting wire connected with the diagnostic instrument penetrates through the sliding block after being wound around the roller; the support rod is provided with an attraction component, and when the sliding block is pushed to slide upwards along the support rod, negative pressure is formed in the attraction component and is absorbed on the workbench; the plug of connecting wire is pegged graft on the diagnostic apparatus among the in-service use, its other end extends to cylinder department and twines the cylinder round after wear out the slider and be connected with the joint on the car computer, through the cylinder that sets up, make the connecting wire twine in the outside of cylinder, be favorable to reducing the resistance to the diagnostic apparatus after the connecting wire bends, make the diagnostic apparatus stably place, and when the slider upwards slided, can be with the bracing piece actuation on table surface through the actuation subassembly, thereby improve the stability that the bracing piece was placed.

Description

Portable automobile diagnostic instrument

Technical Field

The invention relates to the technical field of automobile diagnostic instruments, in particular to a portable automobile diagnostic instrument.

Background

The present automobile fault diagnosis instrument is a vehicle fault self-checking terminal, and the automobile fault diagnosis instrument is a portable intelligent automobile fault self-checking instrument for detecting automobile faults, and can be used by user to quickly read the fault in automobile electric control system, and can utilize liquid crystal display screen to display fault information, and can quickly find out fault position and reason.

The invention Chinese patent CN109854881A discloses an automobile diagnostic apparatus, which comprises an apparatus body, wherein hand-held parts are arranged on two sides of the apparatus body, a support bar is arranged on the back of the apparatus body, one side of the support bar is hinged on the apparatus body, a containing groove for the support bar to sink into is arranged on the back of the apparatus body, the support bar is turned out from the containing groove when the diagnostic apparatus needs to be vertically placed on a desktop for observing a display screen on the apparatus body, so that the support bar can be supported and abutted on the desktop by means of the end part of the support bar, the vertical placement of the apparatus body is realized, a worker does not need to keep a hand-held state all the time, the use is more convenient and labor-saving, the support bar can be overturned and contained in the containing groove when not being used, the apparatus body is kept in a flat plate state, and the integrity and the appearance are better.

When the device is used, the diagnostic instrument is only supported by the single support, but after the electrical connection wire of the diagnostic instrument is connected, the electrical connection wire can be bent at the joint, so that certain resistance can be formed on the placement of the diagnostic instrument, the stability of the placement of the diagnostic instrument is not favorably maintained, and the operation of a worker is not facilitated.

Therefore, it is necessary to provide a portable automobile diagnostic apparatus to solve the above problems.

Disclosure of Invention

The present invention is directed to a portable automobile diagnostic device, which solves the problems that the conventional device proposed in the background art only supports the diagnostic device through a single bracket, but after the electrical connection wires of the diagnostic device are connected, the electrical connection wires are bent at joints, so that a certain resistance is generated to the placement of the diagnostic device, the placement stability of the diagnostic device is not maintained, and the operation of a worker is not facilitated.

Based on the above thought, the invention provides the following technical scheme: the diagnosis instrument comprises a diagnosis instrument shell and a support rod hinged to one side of the diagnosis instrument shell, wherein the diagnosis instrument shell is internally provided with a diagnosis instrument, the support rod is connected with a sliding block in a sliding manner, the inside of the sliding block is rotatably connected with a roller, and a connecting wire connected with the diagnosis instrument penetrates through the sliding block after being wound around the roller;

the support rod is provided with a suction assembly, and when the sliding block is pushed to slide upwards along the support rod, negative pressure is formed in the suction assembly.

As a further scheme of the invention: the utility model discloses a portable electronic device, including bracing piece, the bracing piece sets up to "W" shape, the crooked part on the bracing piece sets up to the portion of sliding, the bottom of the portion of sliding is the horizontal part, the slider slides and sets up on the portion of sliding, the actuation subassembly sets up on the horizontal part.

As a further scheme of the invention: fixedly connected with and spacing subassembly matched with stopper on the top of portion of slideing, spacing subassembly includes fixed connection in the dead lever at slider top, the both sides of dead lever articulate there is the limiting plate, be provided with the spring between limiting plate and the dead lever, with the slider block in the stopper bottom when the dead lever upwards passes predetermined through-hole on the stopper along with the slider.

As a further scheme of the invention: the sucking-in subassembly is including rotating the sucking disc that the cover located on the bracing piece, the sucking disc top is rotated and is connected with the rotary drum, the rotary drum is linked together with the sucking disc, the inside threaded connection of rotary drum has the slide, the inside pole setting of fixing mutually with the sucking disc that is provided with of rotary drum, the pole setting passes the slide and rather than sliding connection, the winding has the second stay cord in the rotary drum outside, the one end of second stay cord and the lateral wall fixed connection of rotary drum, the other end and the slider fixed connection of second stay cord.

As a further scheme of the invention: the top of the sucker is fixedly connected with a support, the inner side of the support is fixedly connected with a fixing ring, the cross section of the fixing ring is in a U shape, the rotary drum penetrates through the fixing ring and is rotatably connected with the fixing ring, a coil spring is arranged in the inner cavity of the fixing ring, one end of the coil spring is fixedly connected with the inner wall of the fixing ring, and the other end of the coil spring is fixedly connected with the outer side wall of the rotary drum.

As a further scheme of the invention: the diagnostic device comprises a diagnostic device shell and is characterized in that an opening is formed in the top of the diagnostic device shell, a fixing frame is fixedly connected to the opening, a cover plate is fixedly arranged on the outer side of a connector on a connecting line, when the connector penetrates through the opening to be connected with the diagnostic device, the cover plate is arranged on the fixing frame, blind holes are formed in two sides of the opening, a rotating block is rotatably connected to the inside of each blind hole, a moving block is slidably connected to the top of the rotating block, a protruding block is arranged on the outer side of the moving block, a strip-shaped groove matched with the protruding block is formed in the top of the rotating block, an ejector rod is fixedly connected to the top of the moving block, a sealing disc is arranged at the top of each blind hole, and the ejector rod penetrates through the sealing disc and is in threaded connection with the sealing disc.

As a further scheme of the invention: the utility model discloses a diagnostic apparatus casing, including diagnostic apparatus casing, bracing piece, installation piece, cross axle, the both ends of axis of rotation, the one side fixedly connected with installation piece that the diagnostic apparatus casing is close to the bracing piece, the installation piece sets up to two and arranges along the width direction of diagnostic apparatus casing, the inboard fixedly connected with cross axle of installation piece, the cross axle runs through the bracing piece and rotates with the bracing piece to be connected, be provided with the axis of rotation between two cross axles, the equal fixedly connected with sleeve in both ends of axis of rotation, the cross axle is kept away from the one end of installation piece and is extended to inside the sleeve and rotate with the sleeve and be connected, be provided with first stay cord between turning block and the sleeve, first stay cord twines in the turning block outside to the one end of first stay cord and the lateral wall fixed connection of turning block, the other end of first stay cord pass the diagnostic apparatus casing and with sleeve fixed connection.

As a further scheme of the invention: the fixed cover in the outside of axis of rotation is equipped with driven bevel gear, driven bevel gear's outside meshing has the drive bevel gear, the top of slider is provided with the connecting axle, drive bevel gear fixed connection is on the top of connecting axle, the cross draw-in groove has been seted up at the top of connecting axle, the inside pivot that is provided with of cylinder, the bottom and the slider of pivot rotate to be connected, and the pivot runs through cylinder and dead lever and extend to the outside of dead lever, the cylinder is fixed to be set up in the outside of pivot, the pivot rotates with the dead lever to be connected, the outside top fixedly connected with and the cross draw-in groove matched with card strip of pivot.

As a further scheme of the invention: the section of the connecting wire close to the diagnostic instrument is provided with an annular bulge, the annular bulge is fixedly arranged on the outer side of the connecting wire, the outer side of the roller is provided with a latch, and the latch is mutually clamped with the annular bulge on the connecting wire.

As a further scheme of the invention: the inboard of installation piece is provided with first pin, the both sides of dead lever all set up to the plane, fixedly connected with locating piece on the plane, fixedly connected with second pin between two locating pieces.

Compared with the prior art, the invention has the beneficial effects that: the plug of connecting wire is pegged graft on the diagnostic apparatus among the in-service use, its other end extends to cylinder department and twines the cylinder round after wear out the slider and be connected with the joint on the car computer, through the cylinder that sets up, make the connecting wire twine in the outside of cylinder, be favorable to reducing the connecting wire and crooked back resistance to the diagnostic apparatus, make the diagnostic apparatus stably place, and when the slider upwards slides, can be with the bracing piece actuation on table surface through the actuation subassembly, thereby improve the stability that the bracing piece was placed, the staff of being convenient for is to the operation of diagnostic apparatus.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the structure of the suction cup and the slider on the support rod according to the present invention;

figure 4 is a schematic view of the pole and sled configuration of the present invention;

FIG. 5 is a schematic view of the construction of the turning block and moving block of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 2 at A;

FIG. 7 is an enlarged view of the structure of FIG. 4 at C;

FIG. 8 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

FIG. 9 is a schematic view of the annular projection configuration of the present invention;

FIG. 10 is a schematic view of the connection structure of the connection wire and the drum according to the present invention;

fig. 11 is an enlarged view of fig. 3D according to the present invention.

In the figure: 1. a diagnostic meter housing; 2. a first pull cord; 3. a cover plate; 4. a connector; 5. a connecting wire; 6. a support bar; 7. a limiting block; 8. a sliding part; 9. a rotating shaft; 10. a slider; 11. a fixing ring; 12. a drum; 13. a suction cup; 14. a horizontal axis; 15. a top rod; 16. a rotating shaft; 17. a sleeve; 18. a first bar; 19. a horizontal portion; 20. erecting a rod; 21. a second pull cord; 22. a support; 23. a fixing frame; 24. fixing the rod; 25. a drum; 26. a flow guide hole; 27. a slide plate; 28. a moving block; 29. a knob; 30. sealing the disc; 31. a bump; 32. rotating the block; 33. blind holes; 34. a limiting plate; 35. a second bar; 36. clamping the strip; 37. a spring; 38. a stabilizing block; 39. a driven bevel gear; 40. a drive bevel gear; 41. a fixed shaft; 42. a through hole; 43. a connecting shaft; 44. a cross clamping groove; 45. an annular projection; 46. a coil spring.

Detailed Description

As shown in fig. 1-4, a portable automobile diagnostic apparatus comprises a diagnostic apparatus, a housing 1 of the diagnostic apparatus is arranged outside the diagnostic apparatus, a support rod 6 for supporting the diagnostic apparatus is hinged on one side of the housing 1 of the diagnostic apparatus, and when the diagnostic apparatus is placed on a working table, the support rod 6 can be opened to support the diagnostic apparatus to incline the diagnostic apparatus, so that the portable automobile diagnostic apparatus is convenient for workers to use.

However, in the using process, because the diagnostic apparatus and the automobile computer need to be connected through the connecting wire 5, after the diagnostic apparatus is placed in an inclined manner, a certain resistance is formed on the placement of the diagnostic apparatus by the bent connecting wire 5, so that the diagnostic apparatus is difficult to place stably, and the supporting rod 6 is movably placed on the working platform, so that the diagnostic apparatus has a risk of toppling in the using process, for this reason, the supporting rod 6 is set to have a profile similar to a shape of a 'W', the bent part of the supporting rod is set to be the sliding part 8, and the bottom end of the sliding part 8 is the horizontal part 19.

Further, a sliding block 10 is connected to the sliding portion 8 in a sliding mode, the supporting rod 6 penetrates through the sliding block 10 and is connected with the sliding block 10 in a sliding mode, the sliding block 10 is arranged on the sliding portion 8, a cavity is formed in the sliding block 10, a roller 25 is connected to the inside of the cavity in a rotating mode, a plug of the connecting wire 5 is connected to the diagnostic instrument in an inserting mode in the practical use process, the other end of the connecting wire 5 extends to the roller 25 and penetrates out of the sliding block 10 after being wound on the roller 25 for a circle to be connected with a connector on an automobile computer, and the connecting wire 5 is wound on the outer side of the roller 25 through the arranged roller 25, so that resistance of the connecting wire 5 to the diagnostic instrument after being bent is reduced, and the diagnostic instrument is placed stably.

Further, be provided with spacing subassembly at the top of slider 10, fixedly connected with and spacing subassembly matched with stopper 7 on the top of the portion 8 that slides simultaneously, and be provided with the actuation subassembly on the horizontal part 19, slide 10 when promoting slider 10 and make spacing subassembly be connected with stopper 7 along the portion 8 upwards sliding and fix slider 10, the in-process that slides simultaneously 10 upwards makes the actuation subassembly form the negative pressure and adsorb on table surface, thereby make bracing piece 6 and table surface relatively fixed be connected, be favorable to keeping the stability of bracing piece 6 and diagnostic instrument.

Specifically, the limiting assembly comprises a fixing rod 24 fixedly connected to the top of the slider 10, limiting plates 34 are hinged to two sides of the fixing rod 24, springs 37 are arranged between the limiting plates 34 and the fixing rod 24, when the fixing rod 24 upwards penetrates through a preset through hole 42 in the limiting block 7 along with the slider 10, the limiting plates 34 are inwards rotated through the inner wall of the through hole 42 extruding the limiting plates 34, then the limiting plates 34 penetrate through the through hole 42, and the slider 10 is fixed through the matching of the limiting block 7 and the limiting block 7.

The suction assembly comprises a sucker 13 rotatably sleeved on the support rod 6, the bottom of the sucker 13 is provided with a suction hole, the sucker 13 is arranged on the horizontal part 19, the top of the sucker 13 is provided with a round hole, the inner bottom surface of the round hole is provided with a flow guide hole 26 communicated with the suction hole, the round hole is rotatably connected with a rotary drum 12, the rotary drum 12 is communicated with the suction hole on the sucker 13 through the flow guide hole 26, so that the mutual communication of air flows is realized, and the inner thread of the rotary drum 12 is connected with a sliding plate 27;

in addition, fixedly connected with riser on the inside bottom surface of round hole, the cross sectional shape of riser sets up to the rectangle, and the riser runs through slide 27 and with slide 27 sliding connection to this carries on spacingly to slide 27, avoids slide 27 to rotate, thereby makes rotary drum 12 rotate and can drive slide 27 and remove in the vertical direction, and the riser is connected with the fixed support 22 that sets up in sucking disc 13 top, fixes pole setting 20 with this.

In order to drive the drum 12 to rotate when the slider 10 slides along the sliding portion 8, a second rope 21 is wound around the outside of the drum 12, specifically, one end of the second rope 21 is fixedly connected to the outer side wall of the drum 12, and the other end of the second rope 21 passes through the bracket 22 and is fixedly connected to the slider 10.

Therefore, when the slide block 10 moves upwards along the sliding part 8, the second pull rope 21 can be pulled, so that the second pull rope 21 is pulled out from the rotary drum 12, and the rotary drum 12 is driven to rotate, because the slide plate 27 and the rotary drum 12 are in a threaded connection relationship, and the upright rod 20 passes through the slide plate 27 to limit the position, so that the slide plate 27 is driven to move in the vertical direction by utilizing the threaded engagement relationship in the rotating process of the rotary drum 12, when the slide plate 27 moves upwards, the space inside the rotary drum 12 at the bottom of the slide plate 27 forms negative pressure, and the rotary drum 12 is communicated with the suction hole on the suction cup 13 through the arranged flow guiding hole 26, so that when the slide plate 27 moves upwards, the bottom of the suction cup 13 forms negative pressure, and the support rod 6 and the diagnostic apparatus are fixed by being adsorbed on the table top;

when the slider 10 moves upwards along the sliding part 8 to the top end position, the fixing rod 24 and the limiting plate 34 on the top of the slider 10 pass through the through hole 42 on the limiting block 7, so that the limiting plate 34 is clamped on the limiting block 7, thereby fixing and keeping the slider 10 stable, and keeping the drum 12 stable after rotating.

In order to restore the drum 12, a fixed ring 11 is fixedly connected to the inner side of the bracket 22, the cross-sectional shape of the fixed ring 11 is set to be "U" shape, the drum 12 passes through the fixed ring 11 and is rotatably connected with the fixed ring 11, a coil spring 46 is arranged in the inner cavity of the fixed ring 11, one end of the coil spring 46 is fixedly connected with the inner wall of the fixed ring 11, and the other end of the coil spring 46 is fixedly connected with the outer side wall of the drum 12.

In practical use, when the limiting plate 34 is pressed to enable the fixing rod 24 to pass through the limiting block 7 downwards, the coil spring 46 can drive the rotary drum 12 to rotate reversely, so as to drive the sliding plate 27 to move downwards in the rotary drum 12, and air flow flows to the suction hole of the suction cup 13 through the flow guiding hole 26, so that the negative pressure state of the suction cup 13 is relieved, and the suction cup 13 is taken down from the workbench surface.

As shown in fig. 1 and 5-11, an opening is formed at the top of the housing 1 of the diagnostic apparatus, and a fixing frame 23 is fixedly connected to the opening, in practical use, a cover plate 3 is fixedly arranged on the outer side of the connector 4 of the connecting line 5, when the connector 4 passes through the opening to be connected with the diagnostic apparatus, the cover plate 3 is placed on the fixing frame 23, blind holes 33 are further formed in two sides of the opening, a rotating block 32 is rotatably connected to the inside of the blind hole 33, and a moving block 28 is slidably connected to the top of the rotating block 32.

Specifically, the outside of movable block 28 is provided with lug 31, and the bar groove with lug 31 matched with is seted up at turning block 32 top, make movable block 28 slide through the cooperation of lug 31 with the bar groove and set up on turning block 32, and through the cooperation of lug 31 with the bar groove, movable block 28 can reciprocate for turning block 32, at the top fixedly connected with ejector pin 15 of movable block 28, and the top of blind hole 33 is provided with seal dish 30, ejector pin 15 with pass seal dish 30 and with seal dish 30 threaded connection, and the one end fixedly connected with knob 29 of ejector pin 15 extension to the top of seal dish 30, the top of knob 29 flushes with the top of fixed frame 23.

Further, one side of the diagnostic instrument shell 1 close to the support rod 6 is fixedly connected with two mounting blocks, the two mounting blocks are arranged along the width direction of the diagnostic instrument shell 1, the inner side of each mounting block is fixedly connected with a transverse shaft 14, the transverse shaft 14 penetrates through the support rod 6 and is rotatably connected with the support rod 6, a rotating shaft 16 is arranged between the two transverse shafts 14, two ends of the rotating shaft 16 are both fixedly connected with sleeves 17, one end of the transverse shaft 14 far away from the mounting blocks extends into the sleeves 17 and is rotatably connected with the sleeves 17, and a first pull rope 2 is arranged between the rotating block 32 and the sleeves 17; specifically, the bottom end of the outer side of the turning block 32 is provided with an annular groove, the first pull rope 2 is wound at the annular groove, one end of the first pull rope 2 is fixedly connected with the outer side wall of the annular groove, the other end of the first pull rope 2 passes through the diagnostic apparatus casing 1 and is fixedly connected with the sleeve 17, and when the sleeve 17 rotates, the first pull rope 2 can be wound so as to drive the turning block 32 to rotate.

In order to drive the sleeve 17 to rotate, a driven bevel gear 39 is fixedly sleeved on the outer side of the rotating shaft 16, and the outer side of the driven bevel gear 39 is engaged with a driving bevel gear 40, specifically, one side of the slide block 10 close to the diagnostic apparatus housing 1 is fixedly connected with a stabilizing block 38 through a fixed shaft 41, and the top of the slider 10 is provided with a connecting shaft 43, the connecting shaft 43 penetrates the stabilizing block 38 and is rotatably connected therewith, the drive bevel gear 40 is fixedly connected to the top end of the connecting shaft 43, and in addition, a cross-shaped clamping groove 44 is arranged at the top of the connecting shaft 43, a rotating shaft 9 is arranged inside the roller 25, the bottom end of the rotating shaft 9 is rotationally connected with the sliding block 10, and the rotary shaft 9 penetrates the rotary drum 25 and the fixing rod 24 and extends to the outside of the fixing rod 24, so that the rotary drum 25 is fixedly arranged at the outside of the rotary shaft 9, and the rotary shaft 9 is rotatably connected with the fixing rod 24, a clamping strip 36 matched with the cross clamping groove 44 is fixedly connected to the top end of the outer side of the rotating shaft 9.

Furthermore, an annular protrusion 45 is arranged on a section of the connecting line 5 close to the diagnostic instrument, the annular protrusion 45 is fixedly arranged on the outer side of the connecting line 5, and the outer side of the roller 25 is provided with a latch, so that the roller 25 is shaped like a gear, and the latch and the annular protrusion 45 on the connecting line 5 are mutually clamped, so that the connecting line 5 moves to drive the roller 25 to rotate.

In the specific use process, when a worker carelessly pulls the connecting wire 5, the roller 25 can be driven to rotate by the movement of the connecting wire 5, and when the slider 10 is pushed upwards along the sliding part 8 and clamped at the bottom of the limiting block 7, the clamping strip 36 on the rotating shaft 9 just extends into the cross clamping groove 44 at the bottom of the connecting shaft 43, so that when the connecting wire 5 drives the roller 25 to rotate, the rotating shaft 9 and the connecting shaft 43 can be driven to rotate, the rotating shaft 16 can be driven to rotate by the meshing of the driving bevel gear 40 and the driven bevel gear 39, the sleeve can be driven to rotate to wind the first pull rope 2, when the first pull rope 2 is untied from the rotating block 32, the rotating block 32 can be driven to rotate, the moving block 28 is driven to rotate by the matching of the convex block 31 and the strip-shaped groove, the ejector rod 15 at the top of the moving block 28 is in threaded connection with the sealing disc 30, so that when the moving block 28 rotates, the ejector rod 15 and the moving block 28 move upwards through the meshing relationship of the ejector rod 15 and the sealing disc 30, thereby 3 jack-ups of apron with the fixed block top, the connector 4 of apron 3 and 5 one ends of connecting wire this moment is by jack-up and break away from with the diagnostic apparatus, thereby the interface of connector 4 and diagnostic apparatus is protected, avoids connector 4 directly to be pulled down from the diagnostic apparatus kneck, causes the damage of connector 4 or diagnostic apparatus, afterwards, the staff drives ejector pin 15 reversal through knob 29 and resets and can use repeatedly, to sum up, this device is through ejector pin 15 that sets up, when connecting wire 5 is dragged, can extrude connector 4 automatically, thereby avoid the direct antagonism of connector 4 and diagnostic apparatus interface, can carry out good protection to it.

As shown in fig. 2, 6, be provided with first pin 18 in the inboard of installation piece, contact first pin 18 after bracing piece 6 outwards rotates certain angle, it is spacing to bracing piece 6 through first pin 18, make it rotate certain angle after keep stable, the both sides of same dead lever 24 all set up to the plane, and fixedly connected with locating piece on this plane, fixedly connected with second pin 35 between two locating pieces, only contact with second pin 35 when limiting plate 34 outwards rotates certain distance, thereby spacing limiting plate 34, make limiting plate 34 can stabilize the block in the bottom of limiting block 7.

Claims

1. The utility model provides a portable automobile diagnosis appearance, includes the diagnostic apparatus casing and articulates the bracing piece in diagnostic apparatus casing one side, install diagnostic apparatus, its characterized in that in the diagnostic apparatus casing: the support rod is connected with a sliding block in a sliding manner, the inside of the sliding block is rotatably connected with a roller, and a connecting wire connected with the diagnostic instrument is wound around the roller and then penetrates through the sliding block;

2. The portable automobile diagnostic apparatus of claim 1, wherein: the utility model discloses a portable electronic device, including bracing piece, the bracing piece sets up to "W" shape, the crooked part on the bracing piece sets up to the portion of sliding, the bottom of the portion of sliding is the horizontal part, the slider slides and sets up on the portion of sliding, the actuation subassembly sets up on the horizontal part.

3. The portable automobile diagnostic apparatus of claim 2, wherein: fixedly connected with and spacing subassembly matched with stopper on the top of portion of slideing, spacing subassembly includes fixed connection in the dead lever at slider top, the both sides of dead lever articulate there is the limiting plate, be provided with the spring between limiting plate and the dead lever, when the dead lever upwards passed the through-hole of predetermineeing on the stopper along with the slider, the slider block was in the stopper bottom.

4. A portable automotive diagnostic apparatus as defined in claim 1 or 2, wherein: the sucking-in subassembly is including rotating the sucking disc that the cover located on the bracing piece, the sucking disc top is rotated and is connected with the rotary drum, the rotary drum is linked together with the sucking disc, the inside threaded connection of rotary drum has the slide, the inside pole setting of fixing mutually with the sucking disc that is provided with of rotary drum, the pole setting passes the slide and rather than sliding connection, the winding has the second stay cord in the rotary drum outside, the one end of second stay cord and the lateral wall fixed connection of rotary drum, the other end and the slider fixed connection of second stay cord.

5. The portable automobile diagnostic apparatus of claim 4, wherein: the top of the sucker is fixedly connected with a support, the inner side of the support is fixedly connected with a fixing ring, the cross section of the fixing ring is in a U shape, the rotary drum penetrates through the fixing ring and is rotatably connected with the fixing ring, a coil spring is arranged in the inner cavity of the fixing ring, one end of the coil spring is fixedly connected with the inner wall of the fixing ring, and the other end of the coil spring is fixedly connected with the outer side wall of the rotary drum.

6. The portable automobile diagnostic apparatus of claim 2, wherein: the diagnostic device comprises a diagnostic device shell and is characterized in that an opening is formed in the top of the diagnostic device shell, a fixing frame is fixedly connected to the opening, a cover plate is fixedly arranged on the outer side of a connector on a connecting line, when the connector penetrates through the opening to be connected with the diagnostic device, the cover plate is arranged on the fixing frame, blind holes are formed in two sides of the opening, a rotating block is rotatably connected to the inside of each blind hole, a moving block is slidably connected to the top of the rotating block, a protruding block is arranged on the outer side of the moving block, a strip-shaped groove matched with the protruding block is formed in the top of the rotating block, an ejector rod is fixedly connected to the top of the moving block, a sealing disc is arranged at the top of each blind hole, and the ejector rod penetrates through the sealing disc and is in threaded connection with the sealing disc.

7. The portable automobile diagnostic apparatus of claim 6, wherein: the utility model discloses a diagnostic apparatus casing, including diagnostic apparatus casing, bracing piece, installation piece, cross axle, the inboard fixedly connected with cross axle of installation piece, the cross axle runs through the bracing piece and rotates with the bracing piece to be connected, be provided with the axis of rotation between two cross axles, the equal fixedly connected with sleeve in both ends of axis of rotation, the cross axle is kept away from the one end of installation piece and is extended to inside and rotate with the sleeve and be connected to the sleeve, be provided with first stay cord between turning block and the sleeve, first stay cord twines in the turning block outside to the one end of first stay cord and the lateral wall fixed connection of turning block, the other end of first stay cord pass the diagnostic apparatus casing and with sleeve fixed connection.

8. The portable automobile diagnostic apparatus of claim 7, wherein: the fixed cover in the outside of axis of rotation is equipped with driven bevel gear, driven bevel gear's outside meshing has the drive bevel gear, the top of slider is provided with the connecting axle, drive bevel gear fixed connection is on the top of connecting axle, the cross draw-in groove has been seted up at the top of connecting axle, the inside pivot that is provided with of cylinder, the bottom and the slider of pivot rotate to be connected, and the pivot runs through cylinder and dead lever and extend to the outside of dead lever, the cylinder is fixed to be set up in the outside of pivot, the pivot rotates with the dead lever to be connected, the outside top fixedly connected with and the cross draw-in groove matched with card strip of pivot.

9. The portable automobile diagnostic apparatus of claim 1, wherein: the section, close to the diagnostic instrument, of the connecting wire is provided with an annular bulge, the annular bulge is fixedly arranged on the outer side of the connecting wire, the outer side of the roller is provided with a latch, and the latch is clamped with the annular bulge on the connecting wire.

10. The portable automobile diagnostic apparatus of claim 7, wherein: the inboard of installation piece is provided with first pin, the both sides of dead lever all set up to the plane, fixedly connected with locating piece on the plane, fixedly connected with second pin between two locating pieces.