Device for detecting inner hole of oil injector seat

Abstract

The utility model relates to the technical field of mechanical detection, and discloses a fuel injector seat inner hole detection device, which comprises a detection mechanism and a limiting mechanism, the limiting mechanism is movably connected to the top of the detection mechanism, the limiting mechanism comprises a clamping unit and an adjusting unit, the clamping unit is movably connected to the top of the detection mechanism, and the adjusting unit is movably connected to the top of the detection mechanism. The adjusting unit is slidably connected to the top of the clamping unit, and the detection mechanism is composed of a supporting base, a control panel, a hydraulic assembly, a telescopic rod and a detection rod. According to the oil injector base inner hole detection device, through transmission of the threaded lead screw and clamping of the rotating disc, cooperation of the lifting mechanism and the rotating mechanism is achieved, clamping, rotating and detection of the oil injector base are achieved, the detection efficiency is improved, and comprehensive detection of the oil injector base inner hole is facilitated; by arranging the clamping assembly with the adjustable clamping distance and the detection rod with the adjustable height, adaptation can be conveniently carried out according to oil sprayer bases of different sizes in the use process, and the detection effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical detection, in particular to an inner hole detection device for a fuel injector seat. Background Art

[0002] The injector is a precision device with very high processing accuracy, which requires a large dynamic flow range, strong anti-clogging and anti-pollution capabilities, and good atomization performance. The injector receives the injection pulse signal sent by the ECU and accurately controls the amount of fuel injection. The injector is prone to burrs during the production process, so a detection device is needed to detect it, and then clean it through a deburring structure to improve the product quality of the inner hole of the injector seat.

[0003] The prior art discloses an injector seat inner hole detection device with application number: 201922478025.3, comprising a gauge seat body, air inlets are fixedly installed on the left and right sides of the side walls of the gauge seat body, a base is fixedly installed on the upper end of the gauge seat body, an alloy probe is fixedly installed on the upper end of the base, an air source hole is fixedly installed on the side wall of the alloy probe, a limit core is fixedly installed on the upper end of the alloy probe, a rubber block is fixedly installed on the top of the inner cavity of the limit core, a spring sheet is fixedly installed on the lower end surface of the rubber block, and a return spring is fixedly installed on the lower end surface of the rubber block. The injector seat inner hole detection device can measure the aperture of the two sections of the inner hole of the injector seat, improve the measurement efficiency, and avoid the risk of missed detection when measuring separately; the nylon limit pin installed at the top of the alloy probe eliminates the risk of scratching the hole wall during casual clamping, effectively ensures the roughness of the inner hole, and improves the qualified rate of the appearance of the injector seat.

[0004] However, the existing technology still has the following shortcomings. First, when the above-mentioned device is in use, a nylon limit pin is provided to prevent the risk of scratching the hole wall during casual clamping. However, when the above-mentioned device is used at home, the detection direction is relatively single, and it is not convenient to move the detection head inside during detection, and it is not possible to perform comprehensive detection according to different injector seats. Utility Model Content

[0005] The utility model aims to provide a device for detecting the inner hole of a fuel injector seat to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a device for detecting the inner hole of a fuel injector seat, comprising a detection mechanism and a limiting mechanism, wherein the limiting mechanism is movably connected to the top of the detection mechanism.

[0007] The limiting mechanism comprises a clamping unit and an adjusting unit, wherein the clamping unit is movably connected to the top of the detection mechanism, and the adjusting unit is slidably connected to the top of the clamping unit.

[0008] Preferably, the detection mechanism consists of a support base, a control panel, a hydraulic assembly, a telescopic rod and a detection rod, the control panel is fixedly connected to the surface of the support base, the hydraulic assembly is fixedly connected to the inside of the support base, the telescopic rod is movably connected to the top of the support base, and the detection rod is fixedly connected to the extended end of the telescopic rod, which plays the main role in detection and adjustment of detection height.

[0009] Preferably, the clamping unit consists of a servo motor, a threaded screw, a connecting shaft, a support rod, a top plate, a threaded connection hole, a clamping plate, a first turntable and a connecting hole, the servo motor is fixedly connected to the inside of the support base, the threaded screw is rotatably connected to the top of the support base, the connecting shaft is rotatably connected to the top of the threaded screw, the support rod is fixedly connected to the top of the support base, the top plate is fixedly connected to the support rod and the top of the connecting shaft, the threaded connection hole is opened on the surface of the top plate, the clamping plate is movably connected to the surface of the threaded screw and the support rod, the first turntable is rotatably connected to the top of the clamping plate, and the connecting hole is opened on the surface of the first turntable, so as to facilitate clamping and limiting the injector seat and facilitate detection and use.

[0010] Preferably, the adjustment unit consists of a connecting plate, a connecting bolt, a second turntable, a rotating shaft block and a rotating rod, the connecting plate is threadedly connected to the top of the top plate, the connecting bolt is threadedly connected to the connecting plate and the inside of the top plate, the second turntable is rotatably connected to the surface of the connecting plate, the rotating shaft block is rotatably connected to the top of the second turntable, and the rotating rod is rotatably connected to the top of the rotating shaft block, so that when the position of the injector seat is limited, the position of the injector seat can be driven to rotate, so that the detection rod can fully detect the inner hole of the injector seat.

[0011] Preferably, the second turntable and the first turntable are made of rubber material to prevent damage to the injector seat and improve the detection effect.

[0012] Preferably, the connecting hole and the detection rod are located on a vertical line, which facilitates the detection rod to be inserted into the inner hole of the injector seat for detection.

[0013] Preferably, a sensor is provided inside the detection rod to facilitate high-precision detection of the condition of the inner hole of the injector seat.

[0014] Preferably, the control panel is electrically connected to the hydraulic assembly and the sensor, so as to facilitate control through the control panel and detection of the inner hole of the injector seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The device for detecting the inner hole of the fuel injector seat realizes the coordination of the lifting mechanism and the rotating mechanism by providing a threaded screw drive and a clamping of a turntable, realizes the clamping, rotation and detection of the fuel injector seat, improves the detection efficiency, and facilitates comprehensive detection of the inner hole of the fuel injector seat.

[0017] 2. The injector seat inner hole detection device is provided with a clamping assembly with an adjustable clamping distance and a detection rod with an adjustable height, so that it can be adapted to injector seats of different sizes during use, thereby improving the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the split structure of the connecting plate of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the top structure of the support base of the utility model.

[0022] In the figure: 1. detection mechanism; 101. support base; 102. control panel; 103. hydraulic assembly; 104. telescopic rod; 105. detection rod; 2. limit mechanism; 201. servo motor; 202. threaded screw; 203. connecting shaft; 204. support rod; 205. top plate; 206. threaded connection hole; 207. clamping plate; 208. first turntable; 209. connecting hole; 211. connecting plate; 212. connecting bolt; 213. second turntable; 214. rotating shaft block; 215. rotating rod. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides the following technical solutions: a device for detecting the inner hole of a fuel injector seat, comprising a detection mechanism 1 and a limiting mechanism 2, wherein the limiting mechanism 2 is movably connected to the top of the detection mechanism 1.

[0025] The limiting mechanism 2 includes a clamping unit and an adjusting unit. The clamping unit is movably connected to the top of the detection mechanism 1, and the adjusting unit is slidably connected to the top of the clamping unit.

[0026] The detection mechanism 1 is composed of a support base 101, a control panel 102, a hydraulic component 103, a telescopic rod 104 and a detection rod 105. The control panel 102 is fixedly connected to the surface of the support base 101, the hydraulic component 103 is fixedly connected to the inside of the support base 101, the control panel 102 is electrically connected to the hydraulic component 103 and the sensor, so that it is convenient to control through the control panel 102, and detect the inner hole of the injector seat. The telescopic rod 104 is movably connected to the top of the support base 101, and the detection rod 105 is fixedly connected to the extended end of the telescopic rod 104. A sensor is arranged inside the detection rod 105, so that it is convenient to detect the condition of the inner hole of the injector seat with high precision, and it plays a major role in detection and adjustment of the detection height.

[0027] The clamping unit is composed of a servo motor 201, a threaded screw 202, a connecting shaft 203, a support rod 204, a top plate 205, a threaded connection hole 206, a clamping plate 207, a first turntable 208 and a connecting hole 209. The servo motor 201 is fixedly connected to the inside of the support base 101, the threaded screw 202 is rotatably connected to the top of the support base 101, the connecting shaft 203 is rotatably connected to the top of the threaded screw 202, the support rod 204 is fixedly connected to the top of the support base 101, the top plate 205 is fixedly connected to the support rod 204 and the top of the connecting shaft 203, the threaded connection hole 206 is opened on the surface of the top plate 205, the clamping plate 207 is movably connected to the surface of the threaded screw 202 and the support rod 204, the first turntable 208 is rotatably connected to the top of the clamping plate 207, the connecting hole 209 is opened on the surface of the first turntable 208, and the connecting hole 209 and the detection rod 105 are located On a vertical line, it is convenient to insert the detection rod 105 into the inner hole of the injector seat for detection, and it is convenient to clamp and limit the injector seat, which is convenient for detection. The adjustment unit is composed of a connecting plate 211, a connecting bolt 212, a second rotating disk 213, a rotating shaft block 214 and a rotating rod 215. The connecting plate 211 is threadedly connected to the top of the top plate 205, and the connecting bolt 212 is threadedly connected to the inside of the connecting plate 211 and the top plate 205. The second rotating disk 213 is rotatably connected to the surface of the connecting plate 211. The second rotating disk 213 and the first rotating disk 208 are made of rubber material to prevent damage to the injector seat and improve the detection effect. The rotating shaft block 214 is rotatably connected to the top of the second rotating disk 213, and the rotating rod 215 is rotatably connected to the top of the rotating shaft block 214, which is convenient for limiting the injector seat while driving the limited injector seat to rotate, so that the detection rod 105 can fully detect the inner hole of the injector seat.

[0028] When in use, the injector seat to be processed is placed on the top of the first turntable 208, and the threaded screw 202 is driven to rotate by the servo motor 201 to clamp the injector seat between the first turntable 208 and the second turntable 213. The telescopic rod 104 is driven by the hydraulic component 103 to drive the detection rod 105 to extend to the inside of the inner hole of the injector seat for detection.

[0029] Although the 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 device for detecting the inner hole of a fuel injector seat, comprising a detection mechanism (1) and a limit mechanism (2), characterized in that: The limiting mechanism (2) is movably connected to the top of the detection mechanism (1); The limiting mechanism (2) comprises a clamping unit and an adjusting unit, the clamping unit is movably connected to the top of the detection mechanism (1), and the adjusting unit is slidably connected to the top of the clamping unit.

2. The device for detecting inner hole of a fuel injector seat according to claim 1, characterized in that: The detection mechanism (1) is composed of a support base (101), a control panel (102), a hydraulic assembly (103), a telescopic rod (104) and a detection rod (105); the control panel (102) is fixedly connected to the surface of the support base (101); the hydraulic assembly (103) is fixedly connected to the inside of the support base (101); the telescopic rod (104) is movably connected to the top of the support base (101); and the detection rod (105) is fixedly connected to the extended end of the telescopic rod (104).

3. The device for detecting inner hole of a fuel injector seat according to claim 2, characterized in that: The clamping unit is composed of a servo motor (201), a threaded screw (202), a connecting shaft (203), a support rod (204), a top plate (205), a threaded connection hole (206), a clamping plate (207), a first turntable (208) and a connecting hole (209); the servo motor (201) is fixedly connected to the inside of the support base (101); the threaded screw (202) is rotatably connected to the top of the support base (101); the connecting shaft (203) is rotatably connected to the top of the threaded screw (202); The support rod (204) is fixedly connected to the top of the support base (101), the top plate (205) is fixedly connected to the support rod (204) and the top of the connecting shaft (203), the threaded connection hole (206) is opened on the surface of the top plate (205), the clamping plate (207) is movably connected to the threaded screw (202) and the surface of the support rod (204), the first turntable (208) is rotatably connected to the top of the clamping plate (207), and the connecting hole (209) is opened on the surface of the first turntable (208).

4. The device for detecting inner hole of a fuel injector seat according to claim 3, characterized in that: The adjustment unit is composed of a connecting plate (211), a connecting bolt (212), a second turntable (213), a rotating shaft block (214) and a rotating rod (215); the connecting plate (211) is threadedly connected to the top of the top plate (205); the connecting bolt (212) is threadedly connected to the connecting plate (211) and the inside of the top plate (205); the second turntable (213) is rotatably connected to the surface of the connecting plate (211); the rotating shaft block (214) is rotatably connected to the top of the second turntable (213); and the rotating rod (215) is rotatably connected to the top of the rotating shaft block (214).

5. The device for detecting inner hole of a fuel injector seat according to claim 4, characterized in that: The second rotating disk (213) and the first rotating disk (208) are made of rubber.

6. The device for detecting inner hole of a fuel injector seat according to claim 5, characterized in that: The communication hole (209) and the detection rod (105) are located on a vertical line.

7. The device for detecting inner hole of a fuel injector seat according to claim 6, characterized in that: A sensor is arranged inside the detection rod (105).

8. The device for detecting inner hole of a fuel injector seat according to claim 7, characterized in that: The control panel (102) is electrically connected to the hydraulic assembly (103) and the sensor.

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