A detection device and detection method for automobile exhaust gas circulation valve

Abstract

The present invention discloses a detection device and a detection method for an automobile exhaust gas circulation valve, which is provided with a detection housing that is convenient for work and use, and a positioning assembly is installed in the middle section of the inner surface of the detection housing; it includes: a spur gear, which is rotatably connected to the middle side of the inner surface of the positioning assembly, and a rack is connected to the upper or lower side of the inner surface of the spur gear, and a limit bar is installed on the side of the outer surface of the rack, and the limit bar is positioned and slid on the inner surface of the positioning assembly. A positioning detection mechanism is provided, wherein the positioning assembly effectively controls the independent moving seat to rotate in the positioning assembly through the cooperation of the spur gear and the rack, and adjusts the spacing in the center by moving the support seat with elastic fine adjustment, fine-tunes the circulation valve body of different shapes, and uses the positioning support, so as to cooperate with the lifting rod on the independent control fixed column to effectively press down the circulation valve body for positioning, thereby improving the stability of positioning detection.

Description

Technical Field

[0001] The invention relates to the technical field of automobile exhaust gas circulation valve detection devices, in particular to an automobile exhaust gas circulation valve detection device and a detection method thereof. Background Art

[0002] The automobile exhaust gas circulation valve is also called the EGR valve. During the production process, the automobile exhaust gas circulation valve that has been assembled is tested by the detection device used to detect the pressure, temperature, environmental control, etc. when the automobile exhaust gas circulation valve is used. However, there are still some problems when using the existing detection device used for the automobile exhaust gas circulation valve;

[0003] In the prior art, the authorization announcement number: CN216869997U "An EGR valve positioning detection device" includes a bottom plate, a placement rack is fixedly installed in the middle of the surface of the bottom plate, an EGR valve is placed on the surface of the placement rack, a positioning detection mechanism is fixedly installed at both ends of the placement rack on the surface of the bottom plate, a fixing mechanism is provided on one side of the placement rack, and a junction box is fixedly installed at the corner of the bottom plate;

[0004] During the operation of the above-mentioned device, the first pushing cylinder and the second pushing cylinder fixedly installed on the surface of the bottom plate are arranged at both ends of the placement frame for placing the EGR valve through the positioning and detection mechanism. When performing detection, the first pushing cylinder and the second pushing cylinder drive the fixed plate fixedly connected to one end of the pushing rod to move, and the movement of the fixed plate drives the proximity switch installed on the top to approach the surface of the EGR valve. The proximity switch is fixedly installed at a position corresponding to the detection part of the EGR valve, so that it is convenient to quickly detect the EGR valve instead of manual detection, and there will be no missed detection. However, when in use, it is not convenient to form a stable positioning clamp for the detected automobile circulation valve, and due to the large number of shapes of automobile circulation valves, different clamps need to be used during detection, which affects the detection efficiency.

[0005] In the prior art, the "Electric EGR Valve Durability Test Device" in the authorization announcement number: CN105203319B includes a workbench, the workbench is provided with a through hole that passes through the upper and lower parts of the workbench, and a positioning mechanism for fixing the EGR valve is provided on the workbench corresponding to the through hole, and a tappet with the top connected to the EGR valve plate is passed through the through hole; a driving mechanism for controlling the tappet to reciprocate up and down in the through hole is provided below the workbench. The present invention has a simple structure and low cost, can quickly realize the opening and closing of the EGR valve, and can be applied to any specifications and models of EGR valves for durability testing, which is very convenient;

[0006] In the prior art, the "EGR valve high temperature test box" in the authorization announcement number: CN103323222A includes a box body, a laboratory is arranged at the upper part of the box body, a fan is arranged below the laboratory in the box body, and the air outlet of the fan is connected to the laboratory through a small intake pipe and a large intake pipe respectively; a small heating device is arranged at the part where the small intake pipe extends into the laboratory; a large heating device is arranged at the part where the large intake pipe extends into the laboratory, and the outlet end of the large intake pipe is connected to the air inlet of the ERG valve to be tested, and an exhaust pipe is also arranged in the box body; an exhaust gas temperature sensor and an ambient temperature sensor connected to a control device are respectively arranged on the outlet end of the large intake pipe and the side wall of the laboratory, and the output end of the control device is respectively connected to the large heating device and the small heating device;

[0007] During the operation of the above-mentioned device, the high-temperature engine environment and the high-temperature exhaust gas operating environment of the EGR valve can be simulated at the same time, further ensuring the factory quality rate of the EGR valve. However, when in use, it is not convenient to form an automatic plug-in connector for detecting circuit connection problems of the automobile circulation valve. When different connectors are required for multiple automobile circulation valves, it is necessary to find the corresponding connector connection, and it is not convenient to quickly replace severely worn connectors. Summary of the invention

[0008] The object of the present invention is to provide a detection device and a detection method for an automobile exhaust gas circulation valve, so as to solve the problem proposed in the above background technology that it is inconvenient to form a stable positioning clamp for the automobile circulation valve to be detected during use, and because there are many shapes of automobile circulation valves, different clamps need to be used during detection, which affects the detection efficiency, and it is inconvenient to form an automatic plug-in connector for detecting the circuit connection problem of the automobile circulation valve. When different connectors are required for multiple automobile circulation valves, it is necessary to find the corresponding connector connection, and it is inconvenient to quickly replace the severely worn connectors.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a detection device and a detection method for an automobile exhaust gas circulation valve, which is provided with a detection housing that is convenient for work and use, and a positioning component is installed in the middle section of the inner surface of the detection housing;

[0010] It includes: a spur gear, which is rotatably connected to the middle side of the inner surface of the positioning assembly, and a rack is connected to the upper side or the lower side of the inner surface of the spur gear, and a limit bar is installed on the side of the outer surface of the rack, and the limit bar is positioned and slid on the inner surface of the positioning assembly, and a moving seat is installed on the edge of the outer surface of the limit bar, and the moving seat is provided with a positioning detection mechanism for clamping support;

[0011] A mobile base is installed on the rear side of the inner surface of the detection housing, and the upper surface of the mobile base is linearly connected to a mechanical arm, and the mechanical arm is multi-axis, and the mobile end of the mechanical arm is rotatably connected to a fixed part, and the fixed part is provided with a positioning and rotating extrusion and telescopic mechanism;

[0012] A slider is slidably connected to the inner surface of the detection housing, and the outer surface of the slider is rotatably connected to an extrusion rod, and the other end of the outer surface of the extrusion rod is rotatably connected to a heating element, while moving blocks are installed on the upper and lower sides of the outer surface of the heating element, and the upper side of the outer surface of the moving block is slidably connected to a positioning frame, and the inner surface of the heating element is nested and connected to a heating tube.

[0013] Preferably, the inner surface of the movable seat in the positioning detection mechanism is threadedly connected with a nested piece, and the outer surface of the nested piece is installed with a slide bar, and the outer surface of the nested piece is slidably connected with a support seat through the slide bar, and the support seat is limitedly slid on the inner surface of the movable seat, and an extrusion spring is nested and connected between the support seat and the nested piece, and a support pad is nested and installed on the oblique side of the inner surface of the support seat, and the oblique side of the support pad is fitted and connected with the circulation valve body, and a fixing column is installed on the upper surface end of the support seat;

[0014] The inner surface of the fixed column is provided with a moving groove, and the inner surface of the fixed column is threadedly connected to a lifting rod, and a limit block is installed on the outer surface of the lifting rod, and the limit block is nested and slid on the inner surface of the moving groove, and the outer surface of the lifting rod is nested and connected with a protective sleeve.

[0015] Through the above structure, when in use, it can effectively form a support according to different circulation valve bodies, and cooperate with the set support pads and the lifting rods for rotating and moving extrusion to control the stability of the circulation valve body during detection and use.

[0016] Preferably, the positioning assembly forms a limited sliding structure for meshing adjustment with the moving seat through a spur gear, a rack and a limit bar, and the spur gear is arranged at equal angles with respect to the inner surface terminal of the positioning assembly, and the rack and the limit bar form an integrated structure with the moving seat, and at the same time, the moving seat forms a limited sliding structure for thread adjustment with the nesting piece through the support seat, and the support seat forms an elastic moving structure for sliding nesting with the nesting piece through the slide bar and the extrusion spring, and the support seat and the support pad form a built-in nesting structure, so that the outer surface shape of the support pad is a flexible serrated structure, and at the same time, the support seat and the lower surface end of the fixed column are embedded and installed.

[0017] Through the above structure, the position of the movable seat can be effectively controlled in advance according to the shape of the circulating valve body during use to avoid affecting the detection and use of the circulating valve body, and in conjunction with the elastically movable support seat, it can effectively form fine-tuning when minor details of the circulating valve body change.

[0018] Preferably, the lifting rod and the fixed column form a threaded adjustment structure, and the fixed column and the lifting rod form a limited sliding structure through a movable groove and a limit block, and the top shape of the inner surface of the movable groove is a curved structure, and the movable groove is arranged at an equal angle on the inner surface of the fixed column. At the same time, the lifting rod and the protective sleeve form a built-in snap-fit ​​structure, and the protective sleeve can be selected for through-assembly and end-closed sleeve assembly.

[0019] Through the above structure, the height of the lifting rod can be stably controlled by the thread during use, and the rotation of the lifting rod can be controlled according to the shape structure of the movable groove, and an extrusion limit is formed on the circulation valve body. The setting of the movable groove can prevent the position of the lifting rod from affecting the up and down taking of the circulation valve body.

[0020] Preferably, a worm is rotatably connected to the upper side of the inner surface of the fixing member in the extrusion and telescopic mechanism, and a turbine is meshingly connected to the lower side of the outer surface of the worm, and an inner shell is installed on the outer surface of the turbine, and an inner ring is installed on the outer surface of the inner shell, and the inner ring is nested in the inner surface of the fixing member;

[0021] A support ring is installed on the side wall of the inner surface of the fixing part, and a protrusion is installed on the left side of the outer surface of the support ring, and a roller is connected to the top of the protrusion. At the same time, the outer surface of the roller is rotatably connected to the telescopic rod, and a limiting groove is provided on the outer surface of the telescopic rod, and the telescopic rod is elastically nested and slid on the inner surface of the built-in shell through the limiting groove and the cylindrical tension spring, and a nesting seat is installed on the front side of the outer surface of the telescopic rod.

[0022] Through the above structure, when in use, the connector on the corresponding nested seat can be effectively controlled to protrude and be used according to different types of circulating valve body connectors, so that it can be connected to the circulating valve body connector for use, thereby improving the stability of the circulating valve body line signal detection.

[0023] Preferably, the movable base and the detection housing form an integrated structure, and the movable base and the mechanical arm form a limited movable structure, and the mechanical arm and the fixed part form a multi-position adjustment structure, while the fixed part forms an engaged rotating structure with the turbine through a worm, and the turbine forms an integrated structure with the built-in shell and the built-in ring, and the built-in shell forms a built-in nested rotating structure with the fixed part through the built-in ring.

[0024] Through the above structure, the position of the fixing part on the robot arm can be stably controlled during use, and the rotation of the connecting head on the built-in shell can be controlled through the setting of the worm and the turbine.

[0025] Preferably, the support ring and the inner surface side wall of the fixing part form an embedded installation arrangement, and the support ring and the protrusion form an integrated structure, and the support ring and the protrusion are used in rotational contact with the roller, and at the same time, the roller and the built-in shell form an elastic through-structure through a cylindrical tension spring and a telescopic rod, and the built-in shell and the telescopic rod form a limited sliding structure through a limiting groove, and the outer surface edge end of the telescopic rod and the outer surface edge end of the nesting seat form an integrated structure, and the nesting seat is arranged at equal angles with respect to the outer side of the outer surface of the built-in shell.

[0026] Through the above structure, when in use, according to the rotation of the built-in shell, the cooperation with the support ring and the protrusion can be controlled to control the nested seat in the built-in shell to form a protruding position for use, which is convenient for the protrusion of the connecting head and is used for docking with the connecting parts on the circulation valve body. The use of the limiting telescopic rod and the cylindrical tension spring can be used to control the protrusion and reset of the connecting head and prevent self-rotation from affecting the docking.

[0027] Preferably, a connecting seat is nested and installed on the inner surface of the nesting seat, and a clamping block is slidably connected to the inner surface of the connecting seat, and a return spring is nested and connected between the clamping block and the connecting seat, and a connecting head is installed on the outer surface of the connecting seat;

[0028] The connecting seat and the nesting seat form a built-in nesting structure, and the connecting seat forms an elastic sliding structure through a reset spring and a clamping block, and the clamping block and the connecting seat form a limiting clamping structure. At the same time, the connecting seat and the connecting head form an integrated structure, and the connecting head is connected to the connecting piece of the circulation valve body.

[0029] Through the above structure, the corresponding connector can be quickly replaced according to the diverse circulation valve bodies during use, and when the connector is severely worn, it can be quickly replaced for use.

[0030] Preferably, the detection housing forms a thread-adjustable limiting extrusion structure with the heating element through a slider and an extrusion rod, and a linkage rotation structure is formed between the slider, the extrusion rod and the heating element, and the heating element forms a limiting sliding structure with the detection housing and the positioning frame respectively through a moving block, while the positioning frame and the upper side of the inner surface of the detection housing are symmetrically embedded in an installation arrangement, and the heating element and the heating tube form a built-in nested structure.

[0031] Through the above structure, the position of the heating rod and the heating tube can be effectively controlled during use, and the heat resistance of the circulation valve body can be detected according to the contact distance.

[0032] Preferably, the detection method for a detection device of an automobile exhaust gas recirculation valve according to claim 1 comprises the following steps:

[0033] S1: The detection housing is positioned and assembled in the working position, and the positioning component is assembled in the middle section of the detection housing. According to the shape and size of the circulation valve body, the positioning component motor can be pre-controlled to start, and the spur gears independently set at equal angles can be controlled to rotate, and the position of the movable seat on one side can be adjusted by meshing limit. The positioning component is used to control the position of the circulation valve body, and the position of the nested parts on the movable seat can be controlled. The elastic sliding adjustment support seat assembled by the nested parts and the support pad assembled by the support seat can be used to form a lateral clamping support for the circulation valve body when the circulation valve body is placed on the upper side of the support pad, and the independent motor built into the support seat can be used to slide the threaded control lifting rod to form an angle flip, and the nested protective sleeve can be used to press down and position the circulation valve body, which can be used for later detection of different tasks;

[0034] S2: The mechanical arm and the assembly fixings on the control moving base are adjusted to form a position, and according to the shape and position of the connecting piece of the circulation valve body, the micro-motor is started to control the position of the built-in shell installed on the turbine adjusted by the worm, and the built-in shell cooperates with the nesting of the built-in ring in the fixing to form a positioning rotation, and when the built-in shell rotates, the control roller is contacted and rotated on the support ring, and when moving, the installed protrusion is cooperated to form a protrusion on the nesting seat on the telescopic rod of the lifting roller assembly, and the control nesting assembly connector is highlighted, which is used for the docking use of the connector, and the stability of the line connection of the circulation valve body is detected. When the circulation valve body is not in use, the connector will be squeezed and reset according to the position of the roller on the support ring, and the cooperation of the telescopic rod, the limit groove and the cylindrical tension spring to avoid highlighting, which is used for the later detection of other circulation valve bodies, and different connectors can be quickly replaced according to the different circulation valve bodies detected;

[0035] S3: The position of the heater assembled in the control detection housing is controlled, and the moving block installed on the heater is coordinated to form a limited sliding on the inner surface of the detection housing and the positioning frame, so as to control the different distances between the built-in heating tube of the heater and the circulation valve body, so as to detect the use effect of the circulation valve body at different temperature distances.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] 1. A positioning detection mechanism is provided, wherein the positioning assembly effectively controls the independent moving seat to rotate in the positioning assembly through the cooperation of the spur gear and the rack, and adjusts the spacing in the center by moving the support seat with elastic fine adjustment to form fine adjustment for the circulation valve body of different shapes, and the positioning support is used, so as to cooperate with the lifting rod on the independent control fixed column to effectively press down the circulation valve body for positioning, thereby improving the stability of positioning detection;

[0038] Furthermore, the movable groove on the fixed column forms an angle deflection through the shape structure of its top end when the lifting rod moves downward, and avoids affecting the convenience of unlocking the circulation valve body when taking it up and down;

[0039] 2. An extrusion and telescopic mechanism is provided to facilitate the stable control of the fixing parts on the mechanical arm to adjust the position of the built-in shell, so as to highlight the nested seat assembled by the telescopic assembly of the built-in shell, which can effectively control the position of the connector assembled by the nested seat, and control different connectors to highlight according to different circulation valve bodies, which are used to be assembled on the connector of the circulation valve body, can effectively detect the control of circuits and signals, and can quickly replace damaged or different connectors;

[0040] Furthermore, when the built-in shell rotates, it will form a rotation on the support block and the protrusion by driving the cooperation between the telescopic rod and the roller assembled by the nesting seat, and cooperate with the cylindrical tension spring nested on the outside of the telescopic rod. When the roller is separated from the protrusion, it drives the nesting seat to reset, and the nesting seat that is only used for the protrusion to be ejected is used to form a protrusion;

[0041] 3. A slider is provided to facilitate synchronous centering and expansion, effectively control the position of the extrusion rod, and control the position adjustment of the heating element through the linkage rotation between the slider, the extrusion rod and the heating element, and cooperate with the use of the detection housing and the positioning frame to prevent the heating element from offset, so as to detect the use of the circulation valve body under high temperature, and cooperate with the use of the heating tube to control the heating temperature; BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the three-dimensional structure of the detection housing of the present invention;

[0043] Figure 2 A schematic diagram of a half-section three-dimensional structure of a detection casing of the present invention;

[0044] Figure 3 It is a schematic diagram of a partially cutaway three-dimensional structure of a positioning assembly of the present invention;

[0045] Figure 4 This is a schematic diagram of a half-section three-dimensional structure of a support base of the present invention;

[0046] Figure 5 For the present invention Figure 4 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0047] Figure 6 For the present invention Figure 4 The enlarged three-dimensional structure diagram at B in the middle;

[0048] Figure 7 It is a schematic diagram of a partially cutaway three-dimensional structure of a fixing member of the present invention;

[0049] Figure 8It is a schematic diagram of a partially cutaway three-dimensional structure of the built-in shell of the present invention;

[0050] Fig. 9 It is a schematic diagram of a partially cutaway three-dimensional structure of a heating element of the present invention;

[0051] Fig.10 It is a schematic diagram of the three-dimensional structure of the heating tube of the present invention.

[0052] In the figure: 1. detection housing; 2. positioning assembly; 3. spur gear; 4. rack; 5. limit bar; 6. moving seat; 7. nesting piece; 8. slide bar; 9. support seat; 10. extrusion spring; 11. support pad; 12. circulation valve body; 13. fixed column; 1301. moving slot; 1302. lifting rod; 1303. limit block; 1304. protective cover; 14. moving base; 15. mechanical arm; 16. fixed 1. Component; 17. Worm; 18. Turbine; 19. Built-in shell; 20. Built-in ring; 21. Support ring; 22. Bump; 23. Roller; 24. Telescopic rod; 25. Limiting groove; 26. Nesting seat; 2601. Connecting seat; 2602. Block; 2603. Return spring; 2604. Connecting head; 27. Slider; 28. Extrusion rod; 29. ​​Heating element; 30. Moving block; 31. Positioning frame; 32. Heating tube. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] See also Figure 1-Figure 10 The present invention provides a technical solution: a detection device and a detection method for an automobile exhaust gas circulation valve, which is provided with a detection housing 1 that is convenient for work and use, and a positioning component 2 is installed in the middle section of the inner surface of the detection housing 1;

[0055] Embodiment 1: Figure 1-Figure 6 The technical solution shown in the figure, the present invention provides the following technical solution: a detection device and a detection method of an automobile exhaust gas circulation valve, which discloses:

[0056] It includes: a spur gear 3, which is rotatably connected to the middle side of the inner surface of the positioning component 2, and a rack 4 is connected to the upper side or the lower side of the inner surface of the spur gear 3, and a limit bar 5 is installed on the side of the outer surface of the rack 4, and the limit bar 5 is positioned and slid on the inner surface of the positioning component 2, and a moving seat 6 is installed on the outer surface edge of the limit bar 5, and the moving seat 6 is provided with a positioning detection mechanism for clamping support;

[0057] The inner surface of the moving seat 6 in the positioning detection mechanism is threadedly connected with a nesting piece 7, and the outer surface of the nesting piece 7 is installed with a slide bar 8, and the outer surface of the nesting piece 7 is slidably connected with a support seat 9 through the slide bar 8, and the support seat 9 is limited and slid on the inner surface of the moving seat 6, and an extrusion spring 10 is nested and connected between the support seat 9 and the nesting piece 7, and a support pad 11 is nested and installed on the oblique side of the inner surface of the support seat 9, and the oblique side of the support pad 11 is fitted and connected with a circulation valve body 12, and a fixing column 13 is installed on the upper surface end of the support seat 9;

[0058] A movable groove 1301 is provided on the inner surface of the fixed column 13, and a lifting rod 1302 is threadedly connected to the inner surface of the fixed column 13, and a limit block 1303 is installed on the outer surface of the lifting rod 1302, and the limit block 1303 is nested and slid on the inner surface of the movable groove 1301, and a protective cover 1304 is nested and connected to the outer surface of the lifting rod 1302.

[0059] The positioning component 2 forms a limited sliding structure with meshing adjustment with the moving seat 6 through the spur gear 3, the rack 4 and the limit bar 5, and the spur gear 3 is set at equal angles with respect to the inner surface terminal of the positioning component 2, and the rack 4 and the limit bar 5 form an integrated structure with the moving seat 6, and at the same time, the moving seat 6 forms a limited sliding structure with thread adjustment with the nesting piece 7 through the support seat 9, and the support seat 9 forms a sliding nested elastic moving structure with the nesting piece 7 through the slide bar 8 and the extrusion spring 10, and the support seat 9 and the support pad 11 form a built-in nesting structure, and the outer surface shape of the support pad 11 is a flexible serrated structure, and at the same time, the support seat 9 and the lower surface end of the fixed column 13 are embedded and installed.

[0060] The lifting rod 1302 and the fixed column 13 form a threaded adjustment structure, and the fixed column 13 forms a limited sliding structure with the lifting rod 1302 through the movable groove 1301 and the limit block 1303, and the top shape of the inner surface of the movable groove 1301 is a curved structure, and the movable groove 1301 is arranged at an equal angle on the inner surface of the fixed column 13, and the lifting rod 1302 and the protective sleeve 1304 form a built-in snap-fit ​​structure, and the protective sleeve 1304 can be selected for through-assembly and end-closed sleeve assembly.

[0061] The detection housing 1 is positioned and assembled in the working position, and the positioning component 2 is assembled in the middle section of the detection housing 1. According to the shape and size of the circulation valve body 12, the motor of the positioning component 2 can be controlled in advance to start, and the spur gears 3 independently set at equal angles can be controlled to rotate, and the rack 4 can be driven to form a position adjustment, thereby controlling the moving seat 6 assembled with the limit strip 5 installed on the rack 4 to form a spacing adjustment, and engaging the limit adjustment to adjust the position of the moving seat 6 on one side, which can effectively control the use position of the moving seat 6 according to the shape of the circulation valve body 12, and is used to control the position of the circulation valve body 12 in the positioning component 2, that is, the motor on the moving seat 6 can be controlled to drive the threaded rod to rotate, thereby thread-controlling the position of the nested piece 7, and the nested piece 7 cooperates with the support seat 9 to slide in the moving seat 6, thereby controlling the nested piece 7 to form a limited sliding and preventing self-rotation. The support seat 9 that is elastically slidably adjusted by the extrusion spring 10 driven by the moving seat 6 can be used to form a lateral clamping support for the circulation valve body 12 when the circulation valve body 12 is placed on the support pad 11 assembled by the support seat 9 by elastically fine-tuning the support seat 9 in cooperation with the position of the slide bar 8 on the nested piece 7. Then, the circulation valve body 12 can be placed on the upper side of the support pad 11 in cooperation with the independent motor built into the support seat 9 to control the position of the lifting rod 1302 by the thread, and drive the limit block 1303 installed on the lifting rod 1302 to slide in the moving groove 1301, and according to the top shape of the moving groove 1301, the moving lifting rod 1302 is controlled to form an angle flip, so as to cooperate with the protective sleeve 1304 nested in the lifting rod 1302 to press down and position the circulation valve body 12, which can be used for the detection of different works in the later stage;

[0062] Embodiment 2: Figure 1 , Figure 2 , Figure 7 and Figure 8 The technical solution shown, based on the first embodiment, also discloses the use of different connectors 2604 on the robot arm 15, and its specific contents are as follows:

[0063] A mobile base 14 is installed on the rear side of the inner surface of the detection housing 1, and the upper surface of the mobile base 14 is linearly connected to a mechanical arm 15, and the mechanical arm 15 is multi-axis, and the mobile end of the mechanical arm 15 is rotatably connected to a fixing member 16, and the fixing member 16 is provided with a positioning and rotating extrusion and telescopic mechanism;

[0064] The upper side of the inner surface of the fixing member 16 in the extrusion telescopic mechanism is rotatably connected with a worm 17, and the lower side of the outer surface of the worm 17 is meshedly connected with a turbine 18, and the outer surface of the turbine 18 is installed with an inner shell 19, and the outer surface of the inner shell 19 is installed with an inner ring 20, and the inner ring 20 is nested in the inner surface of the fixing member 16;

[0065] A support ring 21 is installed on the inner surface side wall of the fixing member 16, and a protrusion 22 is installed on the left side of the outer surface of the support ring 21, and a roller 23 is connected to the top of the protrusion 22. At the same time, the outer surface of the roller 23 is rotatably connected to a telescopic rod 24, and a limiting groove 25 is provided on the outer surface of the telescopic rod 24. The telescopic rod 24 is elastically nested and slid on the inner surface of the built-in shell 19 through the limiting groove 25 and the cylindrical tension spring, and a nesting seat 26 is installed on the front side of the outer surface of the telescopic rod 24.

[0066] The movable base 14 and the detection housing 1 form an integrated structure, and the movable base 14 and the mechanical arm 15 form a limited movable structure, and the mechanical arm 15 and the fixing part 16 form a multi-position adjustment structure, and at the same time the fixing part 16 forms an engaged rotating structure with the turbine 18 through the worm 17, and the turbine 18 forms an integrated structure with the built-in shell 19 and the built-in ring 20, and the built-in shell 19 forms a built-in nested rotating structure with the fixing part 16 through the built-in ring 20.

[0067] The support ring 21 and the inner surface side wall of the fixing part 16 form an embedded installation setting, and the support ring 21 and the protrusion 22 form an integrated structure, and the support ring 21 and the protrusion 22 are used in rotational contact with the roller 23, and at the same time, the roller 23 and the built-in shell 19 form an elastic penetration structure through the cylindrical tension spring and the telescopic rod 24, and the built-in shell 19 and the telescopic rod 24 form a limited sliding structure through the limiting groove 25, and the outer surface edge of the telescopic rod 24 and the outer surface edge of the nesting seat 26 form an integrated structure, and the nesting seat 26 is set at equal angles with respect to the outer side of the outer surface of the built-in shell 19.

[0068] A connecting seat 2601 is nested and installed on the inner surface of the nesting seat 26, and a clamping block 2602 is slidably connected to the inner surface of the connecting seat 2601, and a return spring 2603 is nested and connected between the clamping block 2602 and the connecting seat 2601, and a connecting head 2604 is installed on the outer surface of the connecting seat 2601;

[0069] The connecting seat 2601 and the nesting seat 26 form a built-in nesting structure, and the connecting seat 2601 forms an elastic sliding structure with the clamping block 2602 through the reset spring 2603, and the clamping block 2602 and the connecting seat 2601 form a limiting clamping structure. At the same time, the connecting seat 2601 and the connecting head 2604 form an integrated structure, and the connecting head 2604 is connected to the connecting part of the circulating valve body 12.

[0070] The position of the mechanical arm 15 on the mobile base 14 is controlled, so that the position of the assembled fixing part 16 is controlled by the mechanical arm 15, and according to the shape and position of the connecting part of the circulation valve body 12, the rotation of the built-in shell 19 installed on the turbine 18 adjusted by the micro motor control worm 17 is started, and the built-in shell 19 cooperates with the nesting of the built-in ring 20 on the fixing part 16 to form a positioning rotation, and when the built-in shell 19 rotates, the control roller 23 is contacted and rotated on the support ring 21, and when moving, the mounted protrusion 22 is cooperated to form a nesting seat 26 on the telescopic rod 24 assembled by the lifting roller 23, and the nested assembly connector 2604 is used to control the connector 2604 to be prominent. 04 is used for docking to detect the stability of the line connection of the circulation valve body 12, and the connector 2604 when the circulation valve body 12 is not in use will form an extrusion reset according to the position of the roller 23 on the support ring 21, and the cooperation of the telescopic rod 24, the limit groove 25 and the cylindrical tension spring to avoid highlighting, and is used for later detection of other circulation valve bodies 12, and can be used according to different circulation valve bodies 12 to be detected, with the built-in connection seat 2601 of the nesting seat 26, and the block 2602 elastically assembled by the connection seat 2601 through the reset spring 2603, stably engaged on the inner surface of the nesting seat 26, which can be used to quickly replace different connectors 2604;

[0071] Embodiment 3: Figure 1 , Figure 2 , Fig. 9 and Fig.10 The technical solution shown in the figure, based on the second embodiment, also discloses the use of the circulation valve body 12 at different distances and in different high temperature environments, and its specific contents are as follows:

[0072] The slider 27 is slidably connected to the inner surface of the detection housing 1, and the outer surface of the slider 27 is rotatably connected to the extrusion rod 28, and the other end of the outer surface of the extrusion rod 28 is rotatably connected to the heating element 29, and at the same time, the upper and lower sides of the outer surface of the heating element 29 are installed with moving blocks 30, and the upper side of the outer surface of the moving block 30 is slidably connected to the positioning frame 31, and at the same time, the inner surface of the heating element 29 is nested and connected to the heating tube 32.

[0073] The detection housing 1 forms a thread-adjustable limited extrusion structure with the heating element 29 through the slider 27 and the extrusion rod 28, and a linkage rotation structure is formed between the slider 27 and the extrusion rod 28 and the heating element 29, and the heating element 29 forms a limited sliding structure with the detection housing 1 and the positioning frame 31 respectively through the moving block 30, and the positioning frame 31 is symmetrically embedded and installed on the upper side of the inner surface of the detection housing 1, and the heating element 29 and the heating tube 32 form a built-in nested structure.

[0074] The motor assembled with the control detection housing 1 is controlled to control the position of the bidirectional lead screw control slider 27, and the extrusion rod 28 and the heating element 29 assembled with the slider 27 are rotated in conjunction with each other, so as to control the position of the heating element 29, and the moving block 30 installed with the heating element 29 is cooperated to form a limited sliding on the inner surface of the detection housing 1 and the positioning frame 31, so as to control the different distances between the built-in heating tube 32 of the heating element 29 and the circulation valve body 12, so as to detect the use effect of the circulation valve body 12 at different temperature distances.

[0075] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0076] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for an automobile exhaust gas recirculation valve, comprising a detection housing (1) which is convenient for operation and use, and a positioning assembly (2) is installed in the middle section of the inner surface of the detection housing (1); It is characterized in that include: A spur gear (3) is rotatably connected to the middle side of the inner surface of the positioning assembly (2), and a rack (4) is connected to the upper side or the lower side of the inner surface of the spur gear (3), and a limit bar (5) is installed on the side edge of the outer surface of the rack (4), and the limit bar (5) is positioned and slid on the inner surface of the positioning assembly (2), and a moving seat (6) is installed on the edge end of the outer surface of the limit bar (5), and the moving seat (6) is provided with a positioning detection mechanism for clamping support; The inner surface of the movable seat (6) in the positioning detection mechanism is threadedly connected to a nesting piece (7), and the outer surface of the nesting piece (7) is installed with a slide bar (8), and the outer surface of the nesting piece (7) is slidably connected to a support seat (9) through the slide bar (8), and the support seat (9) is limitedly slid on the inner surface of the movable seat (6), and an extrusion spring (10) is nested and connected between the support seat (9) and the nesting piece (7), and a support pad (11) is nested and installed on the oblique side of the inner surface of the support seat (9), and the oblique side of the support pad (11) is fitted and connected with a circulation valve body (12), and a fixing column (13) is installed on the end of the upper surface of the support seat (9); The inner surface of the fixed column (13) is provided with a moving groove (1301), and the inner surface of the fixed column (13) is threadedly connected to a lifting rod (1302), and a limit block (1303) is installed on the outer surface of the lifting rod (1302), and the limit block (1303) is nested and slid on the inner surface of the moving groove (1301), and a protective sleeve (1304) is nested and connected to the outer surface of the lifting rod (1302); A movable base (14) is mounted on the rear middle side of the inner surface of the detection housing (1), and the upper surface of the movable base (14) is linearly movable and connected to a mechanical arm (15), and the mechanical arm (15) is multi-axis arranged, and the movable end of the mechanical arm (15) is rotatably connected to a fixing member (16), and the fixing member (16) is provided with a positioning and rotating extrusion and telescopic mechanism; The upper side of the inner surface of the fixing member (16) in the extrusion and telescopic mechanism is rotatably connected to a worm (17), and the lower side of the outer surface of the worm (17) is meshingly connected to a turbine (18), and an inner shell (19) is installed on the outer surface of the turbine (18), and an inner ring (20) is installed on the outer surface of the inner shell (19), and the inner ring (20) is nested in the inner surface of the fixing member (16); A support ring (21) is installed on the inner surface side wall of the fixing member (16), and a protrusion (22) is installed on the left side of the outer surface of the support ring (21), and the top of the protrusion (22) is connected to a roller (23), and the outer surface of the roller (23) is rotatably connected to a telescopic rod (24), and a limiting groove (25) is provided on the outer surface of the telescopic rod (24), and the telescopic rod (24) is elastically nested and slid on the inner surface of the built-in shell (19) through the limiting groove (25) and the cylindrical tension spring, and a nesting seat (26) is installed on the front side of the outer surface of the telescopic rod (24); A slider (27) is slidably connected to the inner surface of the detection housing (1), and the outer surface of the slider (27) is rotatably connected to an extrusion rod (28), and the other end of the outer surface of the extrusion rod (28) is rotatably connected to a heating element (29), while a moving block (30) is installed on the upper and lower sides of the outer surface of the heating element (29), and a positioning frame (31) is slidably connected to the upper side of the outer surface of the moving block (30), and a heating tube (32) is nested and connected to the inner surface of the heating element (29).

2. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: The positioning component (2) forms a limited sliding structure for meshing adjustment with a moving seat (6) through a spur gear (3), a rack (4) and a limit bar (5), and the spur gear (3) is arranged at equal angles with respect to the inner surface terminal of the positioning component (2), and the rack (4) and the limit bar (5) form an integrated structure with the moving seat (6), and the moving seat (6) forms a limited sliding structure for thread adjustment with a nesting piece (7) through a support seat (9), and the support seat (9) forms a sliding nesting elastic moving structure with the nesting piece (7) through a slide bar (8) and a compression spring (10), and the support seat (9) and the support pad (11) form a built-in nesting structure, so that the outer surface of the support pad (11) is in the shape of a flexible sawtooth structure, and the support seat (9) and the lower surface end of the fixed column (13) are embedded and installed.

3. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: The lifting rod (1302) and the fixed column (13) form a threaded adjustment structure, and the fixed column (13) and the lifting rod (1302) form a limited sliding structure through the movable groove (1301) and the limit block (1303), and the top shape of the inner surface of the movable groove (1301) is a curved structure, and the movable groove (1301) is arranged at an equal angle on the inner surface of the fixed column (13), and the lifting rod (1302) and the protective sleeve (1304) form a built-in snap-fit ​​structure, and the protective sleeve (1304) can be selected to be through-assembled and end-closed sleeve assembled.

4. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: The movable base (14) and the detection housing (1) form an integrated structure, and the movable base (14) and the mechanical arm (15) form a limited movable structure, and the mechanical arm (15) and the fixing member (16) form a multi-position adjustment structure, while the fixing member (16) forms a meshing rotation structure with the turbine (18) through the worm (17), and the turbine (18) forms an integrated structure with the built-in shell (19) and the built-in ring (20), and the built-in shell (19) forms a built-in nested rotation structure with the fixing member (16) through the built-in ring (20).

5. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: The support ring (21) and the inner surface side wall of the fixing member (16) form an embedded installation arrangement, and the support ring (21) and the protrusion (22) form an integrated structure, and the support ring (21) and the protrusion (22) are used in rotational contact with the roller (23), and the roller (23) and the built-in shell (19) form an elastic penetration structure through a cylindrical tension spring and a telescopic rod (24), and the built-in shell (19) and the telescopic rod (24) form a limited sliding structure through a limiting groove (25), and the outer surface edge of the telescopic rod (24) and the outer surface edge of the nesting seat (26) form an integrated structure, and the nesting seat (26) is arranged at equal angles with respect to the outer side of the outer surface of the built-in shell (19).

6. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: A connecting seat (2601) is nested and installed on the inner surface of the nesting seat (26), and a clamping block (2602) is slidably connected to the inner surface of the connecting seat (2601), and a return spring (2603) is nested and connected between the clamping block (2602) and the connecting seat (2601), and a connecting head (2604) is installed on the outer surface of the connecting seat (2601); The connecting seat (2601) and the nesting seat (26) form a built-in nesting structure, and the connecting seat (2601) forms an elastic sliding structure with the clamping block (2602) through the return spring (2603), and the clamping block (2602) and the connecting seat (2601) form a limited locking structure, while the connecting seat (2601) and the connecting head (2604) form an integrated structure, and the connecting head (2604) is connected to the connecting piece of the circulation valve body (12).

7. The detection device for automobile exhaust gas recirculation valve according to claim 1, characterized in that: The detection housing (1) forms a thread-adjustable position-limiting extrusion structure with the slider (27) and the extrusion rod (28) and the heating element (29), and a linkage rotation structure is formed between the slider (27) and the extrusion rod (28) and the heating element (29), and the heating element (29) forms a position-limiting sliding structure with the detection housing (1) and the positioning frame (31) respectively through the moving block (30), and the positioning frame (31) and the inner surface of the detection housing (1) are symmetrically embedded and installed on the upper side, and the heating element (29) and the heating tube (32) form a built-in nesting structure.

8. A detection method for a detection device of an automobile exhaust gas recirculation valve according to claim 6, comprising the following steps: S1: The detection housing (1) is positioned and assembled at the working position, and the positioning assembly (2) is assembled in the middle section of the detection housing (1). The motor of the positioning assembly (2) can be controlled in advance to start according to the shape and size of the circulation valve body (12), and the spur gears (3) independently arranged at equal angles are controlled to rotate, and the position of the movable seat (6) on one side is adjusted by meshing and limiting, and is used in the positioning assembly (2) to control the position of the circulation valve body (12), so as to control the position of the nesting member (7) on the movable seat (6), and the nesting member (7) The assembled elastic sliding adjustable support seat (9) and the support pad (11) assembled on the support seat (9) are used to form a lateral clamping support for the circulation valve body (12) when the circulation valve body (12) is placed on the upper side of the support pad (11), and are used in conjunction with the independent motor built into the support seat (9) to slide the threaded control lifting rod (1302) while forming an angle flip, and are used in conjunction with the nested protective sleeve (1304) to press down and position the circulation valve body (12), which can be used for later detection of different tasks; S2: The mechanical arm (15) and the assembly fixing member (16) on the control moving base (14) are adjusted in position, and according to the shape and position of the connecting member of the circulation valve body (12), the micro-motor is started to control the worm (17) to adjust the position of the built-in shell (19) installed on the turbine (18), and the built-in shell (19) cooperates with the built-in ring (20) to be nested in the fixing member (16) to form a positioning rotation, and when the built-in shell (19) rotates, the control roller (23) is contacted and rotated on the support ring (21), and when moving, it cooperates with the installed protrusion (22) to lift the roller (23) and assemble the nesting seat (24) on the telescopic rod (24) 26) to form a protrusion, and to control the prominent display of the nested assembled connector (2604), for the docking use of the connector (2604), to detect the stability of the line connection of the circulation valve body (12), and when the circulation valve body (12) is not in use, the connector (2604) will be squeezed and reset according to the position of the roller (23) on the support ring (21), and the cooperation of the telescopic rod (24) and the limit groove (25) and the cylindrical tension spring to avoid highlighting, and is used for the later detection of other circulation valve bodies (12), and different connectors (2604) can be quickly replaced according to different circulation valve bodies (12) to be detected; S3: The position of the heating element (29) assembled on the control detection housing (1) is controlled, and the moving block (30) installed on the heating element (29) is matched to form a limited sliding on the inner surface of the detection housing (1) and the positioning frame (31), so as to control the distance between the heating tube (32) built into the heating element (29) and the circulation valve body (12) to be different, so as to detect the use effect of the circulation valve body (12) at different temperature distances.

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