Axis diameter detection device for nozzle holder of automobile engine

Abstract

The utility model discloses an automobile engine nozzle seat shaft diameter detection device, which relates to the technical field of detection equipment and comprises a base, a sliding groove is arranged at the upper end of the base, a baffle is fixedly connected to the upper end of the base, a mounting plate is fixedly connected to the base, and an electric push rod is fixedly connected to the side wall, close to the baffle, of the mounting plate. The output end of the electric push rod is fixedly connected with a first measuring plate, the upper end of the first measuring plate is fixedly connected with a first infrared distance meter, the interior of the base is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a lead screw, the side wall of the lead screw is in threaded connection with two driving blocks, and the upper ends of the driving blocks are fixedly connected with a push plate. The three infrared distance meters are used for detecting the bottom axis, the middle axis and the height of the nozzle holder shaft diameter at the same time, manual measuring tools do not need to be used for independent full-number measurement, the threaded rod and the sliding block are arranged, the position of the third measuring plate can be adjusted, and then the device is suitable for measuring generator nozzle holder shafts with different heights.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a device for detecting the shaft diameter of a nozzle seat of an automobile engine. Background Art

[0002] The engine nozzle seat shaft is an important component of the pintle fuel injector. Its structural characteristics and functions ensure that the fuel injector can effectively atomize the fuel and spray it into the engine cylinder to achieve efficient combustion of the fuel.

[0003] The existing engine nozzle seat shaft diameter detection device has certain drawbacks when in use. When detecting the bottom axis, middle axis and height of the nozzle seat shaft diameter, manual measuring tools are used to measure them all separately, which results in a large workload, a long measurement time and low efficiency. Secondly, the measurement result has a large error, which affects the customer's assembly.

[0004] Therefore, in order to solve such problems, we proposed an automobile engine nozzle seat shaft diameter detection device. Utility Model Content

[0005] The utility model aims to provide a device for detecting the shaft diameter of a nozzle seat of an automobile engine, aiming to solve the problem in the above-mentioned background technology that the existing device for detecting the shaft diameter of a nozzle seat of an automobile engine uses manual measuring tools to measure all the shaft diameters separately, resulting in a large workload and low efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for detecting the shaft diameter of a nozzle seat of an automobile engine, comprising a base, a slide groove is provided at the upper end of the base, a baffle is fixedly connected to the upper end of the base, a mounting plate is fixedly connected to the base, an electric push rod is fixedly connected to the side wall of the mounting plate close to the baffle, a first measuring plate is fixedly connected to the output end of the electric push rod, the first measuring plate is slidably connected to the upper surface of the base, an infrared rangefinder is fixedly connected to the upper end of the first measuring plate, a servo motor is fixedly connected to the inside of the base, a screw rod is fixedly connected to the output end of the servo motor, and two drive screws are threadedly connected to the side wall of the screw rod. The movable block and the driving block are both slidably connected to the slide groove, the upper end of the driving block is fixedly connected with a push plate, the push plate is slidably connected to the upper surface of the base, the adjacent side walls of the two push plates are each provided with a first mounting groove, a spring is arranged inside the push plate, one end of the spring is fixedly connected to the inner side wall of the first mounting groove, the other end of the spring is fixedly connected to a push block, the push block is slidably connected to the first mounting groove, the end of the push block away from the spring is fixedly connected to a second measuring plate, the upper end of the second measuring plate is fixedly connected to an infrared rangefinder 2, the adjacent side walls of the two push plates are movably connected to a third measuring plate, and the upper ends of the third measuring plates are fixedly connected to infrared rangefinders 3.

[0007] Preferably, the adjacent side walls of the two push plates are provided with a second mounting groove, a threaded rod is positioned and rotatably connected inside the push plate, a slider is threadedly connected to the side wall of the threaded rod, the slider is slidably connected to the second mounting groove, and one end of the slider is fixedly connected to the third measuring plate.

[0008] Preferably, the baffle plate is flush with the mounting plate.

[0009] Preferably, a placement groove is provided at the upper end of the base, and the placement groove is perpendicular to the baffle.

[0010] Preferably, a limiting groove is provided at the upper end of the base, a clamping block is fixedly connected to the lower end of the push plate, and the clamping block and the limiting groove are slidably connected.

[0011] Preferably, a display is fixedly connected to the side wall of the mounting plate, and the infrared rangefinder 1, the infrared rangefinder 2 and the infrared rangefinder 3 are all electrically connected to the display.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, three infrared rangefinders are used to detect the bottom axis, middle axis and height of the nozzle seat shaft diameter at the same time, which solves the problem of using manual measuring tools to measure them all separately, with a large workload, a long measuring time and low efficiency, so that the measurement result is highly accurate and the product quality is guaranteed. Secondly, a threaded rod and a slider are provided to adjust the position of the third measuring plate, which is suitable for measuring the nozzle seat shafts of generators with different heights, and the operation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional schematic diagram of the automobile engine nozzle seat shaft diameter detection device proposed by the utility model;

[0015] Figure 2 A three-dimensional exploded diagram of the automobile engine nozzle seat shaft diameter detection device proposed by the utility model Figure 1 ;

[0016] Figure 3 A three-dimensional exploded diagram of the automobile engine nozzle seat shaft diameter detection device proposed by the utility model Figure 2 ;

[0017] Figure 4 The utility model is a three-dimensional exploded schematic diagram of a push plate in the automobile engine nozzle seat shaft diameter detection device.

[0018] Legend:

[0019] 1. Base; 101. Slide; 102. Limiting groove; 103. Placement groove; 11. Baffle; 12. Mounting plate; 13. Electric push rod; 14. First measuring plate; 15. Infrared rangefinder 1; 16. Infrared rangefinder 2; 17. Infrared rangefinder 3; 2. Servo motor; 21. Screw; 22. Drive block; 23. Push plate; 231. First mounting groove; 232. Second mounting groove; 233. Block; 24. Spring; 25. Push block; 26. Second measuring plate; 27. Threaded rod; 28. Slider; 29. ​​Third measuring plate; 3. Display. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Reference Figure 1-4The utility model provides an embodiment: a detection device for the shaft diameter of a nozzle seat of an automobile engine, comprising a base 1, a slide groove 101 is provided at the upper end of the base 1, a baffle 11 is fixedly connected to the upper end of the base 1, a mounting plate 12 is fixedly connected to the base 1, a side wall of the mounting plate 12 close to the baffle 11 is fixedly connected to an electric push rod 13, an output end of the electric push rod 13 is fixedly connected to a first measuring plate 14, the first measuring plate 14 is slidably connected to the upper surface of the base 1, an infrared rangefinder 15 is fixedly connected to the upper end of the first measuring plate 14, a servo motor 2 is fixedly connected inside the base 1, a screw rod 21 is fixedly connected to the output end of the servo motor 2, two drive blocks 22 are threadedly connected to the side wall of the screw rod 21, and the drive blocks 22 are both connected to the slide groove 10 1 is slidably connected, a push plate 23 is fixedly connected to the upper end of the driving block 22, and the push plate 23 is slidably connected to the upper surface of the base 1. The adjacent side walls of the two push plates 23 are each provided with a first mounting groove 231. A spring 24 is arranged inside the push plate 23. One end of the spring 24 is fixedly connected to the inner side wall of the first mounting groove 231, and the other end of the spring 24 is fixedly connected to a push block 25. The push block 25 is slidably connected to the first mounting groove 231. One end of the push block 25 away from the spring 24 is fixedly connected to a second measuring plate 26, and an infrared rangefinder 16 is fixedly connected to the upper end of the second measuring plate 26. The adjacent side walls of the two push plates 23 are movably connected to a third measuring plate 29, and an infrared rangefinder 17 is fixedly connected to the upper end of each of the third measuring plates 29.

[0023] The arrangement is achieved by placing the generator nozzle seat shaft between the baffle 11 and the mounting plate 12, then starting the electric push rod 13 to drive the first measuring plate 14 to slide on the upper surface of the base 1, and then the first measuring plate 14 cooperates with the baffle 11 to clamp the generator nozzle seat shaft, and then using the infrared rangefinder 15 to measure the length of the generator nozzle seat shaft, and then starting the servo motor 2 to drive the screw rod 21 to rotate, so that the screw rod 21 drives two driving blocks 22 to slide in the slide groove 101, so that the driving blocks 22 respectively drive the push plates 23 to slide on the upper surface of the base 1, so that the push plates 23 simultaneously drive the second measuring plates 26 and the third measuring plates 29 to clamp the generator nozzle seat shaft, wherein when the second measuring plate 26 first contacts the bottom axis of the generator nozzle seat shaft, the second measuring plate 26 squeezes the spring 24 through the push block 25, so that the push plate 23 continues to drive the third measuring plate 29 to measure the center axis of the generator nozzle seat shaft, thereby realizing the simultaneous measurement of three dimensions and reducing the workload.

[0024] A second mounting groove 232 is provided on the adjacent side walls of the two push plates 23, and a threaded rod 27 is positioned and rotatably connected inside the push plate 23. A slider 28 is threadedly connected to the side wall of the threaded rod 27. The slider 28 is slidably connected to the second mounting groove 232, and one end of the slider 28 is fixedly connected to the third measuring plate 29. By rotating the threaded rod 27, the threaded rod 27 drives the slider 28 to slide in the second mounting groove 232, so that the slider 28 drives the third measuring plate 29 to adjust its position, thereby realizing the measurement of generator nozzle seat shafts of different lengths, thereby increasing the scope of application.

[0025] The baffle plate 11 is flush with the mounting plate 12 to avoid misalignment when the first measuring plate 14 measures the length of the generator nozzle seat axis.

[0026] A placement groove 103 is provided at the upper end of the base 1 . The placement groove 103 is perpendicular to the baffle 11 and is used to place the generator nozzle seat shaft to prevent the generator nozzle seat shaft from rolling.

[0027] A limiting groove 102 is provided at the upper end of the base 1, and a clamping block 233 is fixedly connected to the lower end of the push plate 23. The clamping block 233 is slidably connected to the limiting groove 102 to limit the push plate 23 and increase the stability of the linear motion of the push plate 23.

[0028] A display 3 is fixedly connected to the side wall of the mounting plate 12, and infrared rangefinder 1 15, infrared rangefinder 2 16 and infrared rangefinder 3 17 are all electrically connected to the display 3 for displaying the measurement data of infrared rangefinder 1 15, infrared rangefinder 2 16 and infrared rangefinder 3 17, so as to facilitate workers to quickly confirm the values.

[0029] Working principle: First, the generator nozzle seat shaft is placed between the baffle 11 and the mounting plate 12, and then the electric push rod 13 is started to drive the first measuring plate 14 to slide on the upper surface of the base 1, and then the first measuring plate 14 cooperates with the baffle 11 to clamp the generator nozzle seat shaft, and then the infrared rangefinder 15 is used to measure the length of the generator nozzle seat shaft, and then the servo motor 2 is started to drive the screw rod 21 to rotate, and the screw rod 21 drives two driving blocks 22 to slide in the slide groove 101, and the driving blocks 22 respectively drive the push plates 23 to slide on the upper surface of the base 1, and the push plates 23 simultaneously drive the second measuring plate 26 and the third measuring plate 27. The measuring plate 29 clamps the generator nozzle seat shaft, wherein when the second measuring plate 26 first contacts the bottom shaft of the generator nozzle seat shaft, the second measuring plate 26 squeezes the spring 24 through the push block 25, and the push plate 23 continues to drive the third measuring plate 29 to measure the center axis of the generator nozzle seat shaft, thereby realizing simultaneous measurement of three dimensions and reducing workload. Secondly, by rotating the threaded rod 27, the threaded rod 27 drives the slider 28 to slide in the second mounting groove 232, and the slider 28 drives the third measuring plate 29 to adjust its position, thereby realizing measurement of generator nozzle seat shafts of different lengths and increasing the scope of application.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting the shaft diameter of a nozzle seat of an automobile engine, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a slide groove (101), the upper end of the base (1) is fixedly connected to a baffle plate (11), the base (1) is fixedly connected to a mounting plate (12), the side wall of the mounting plate (12) close to the baffle plate (11) is fixedly connected to an electric push rod (13), the output end of the electric push rod (13) is fixedly connected to a first measuring plate (14), the first measuring plate (14) is slidably connected to the upper surface of the base (1), the upper end of the first measuring plate (14) is fixedly connected to an infrared rangefinder (15), the base (1) is fixedly connected to a servo motor (2), the output end of the servo motor (2) is fixedly connected to a lead screw (21), the side wall of the lead screw (21) is threadedly connected to two drive blocks (22), the drive blocks (22) are both slidably connected to the slide groove (101), the upper ends of the drive blocks (22) are fixedly connected to the slide groove (101), and the upper ends of the drive blocks (22) are fixedly connected to the slide groove (101). A push plate (23) is fixedly connected, the push plate (23) is slidably connected to the upper surface of the base (1), the adjacent side walls of the two push plates (23) are each provided with a first mounting groove (231), a spring (24) is arranged inside the push plate (23), one end of the spring (24) is fixedly connected to the inner side wall of the first mounting groove (231), the other end of the spring (24) is fixedly connected to a push block (25), the push block (25) is slidably connected to the first mounting groove (231), one end of the push block (25) away from the spring (24) is fixedly connected to a second measuring plate (26), the upper end of the second measuring plate (26) is fixedly connected to an infrared rangefinder 2 (16), the adjacent side walls of the two push plates (23) are movably connected to a third measuring plate (29), the upper ends of the third measuring plates (29) are each fixedly connected to an infrared rangefinder 3 (17).

2. The automobile engine nozzle seat shaft diameter detection device according to claim 1, characterized in that: A second mounting groove (232) is formed on adjacent side walls of the two push plates (23); a threaded rod (27) is positioned and rotatably connected inside the push plate (23); a slider (28) is threadedly connected to the side wall of the threaded rod (27); the slider (28) is slidably connected to the second mounting groove (232); and one end of the slider (28) is fixedly connected to the third measuring plate (29).

3. The automobile engine nozzle seat shaft diameter detection device according to claim 1, characterized in that: The baffle plate (11) and the mounting plate (12) are flush.

4. The automobile engine nozzle seat shaft diameter detection device according to claim 1, characterized in that: The upper end of the base (1) is provided with a placement groove (103), and the placement groove (103) is perpendicular to the baffle (11).

5. The automobile engine nozzle seat shaft diameter detection device according to claim 1, characterized in that: The upper end of the base (1) is provided with a limiting groove (102), the lower end of the push plate (23) is fixedly connected with a clamping block (233), and the clamping block (233) and the limiting groove (102) are slidably connected.

6. The automobile engine nozzle seat shaft diameter detection device according to claim 1, characterized in that: The side wall of the mounting plate (12) is fixedly connected with a display (3), and infrared rangefinder 1 (15), infrared rangefinder 2 (16) and infrared rangefinder 3 (17) are all electrically connected to the display (3).

Images