A guide rod hole runout detection device with a meter

Abstract

The utility model discloses a guide rod hole runout detection device, including a detector body, a mounting shaft hole is provided inside the detector body, a detection needle rod is clamped on the inner wall of the mounting shaft hole, a detection probe is fixedly connected to the bottom end of the detection needle rod, a ring-arranged clamping groove is provided on the outer surface of the detection needle rod, a group of inner walls of the clamping grooves are clamped together with a group of elastic tensioning positioning sleeves, a clamping groove is provided on the right side of the detector body, and a supporting wood strip is clamped on the inner wall of the clamping groove. The device adopts Mitutoyo's high-precision digital display micrometer, with a measurement resolution of 0.001mm and a measurement accuracy error of ≤0.005mm, which can effectively increase the measurement accuracy of the device, and the elastic tensioning positioning sleeve can eliminate the situation of positioning gap caused by the change of the positioning aperture size, and has good stability, which is convenient for realizing efficient and accurate measurement of the runout inclined hole of the guide rod hole of the engine cylinder head.

Description

Technical Field

[0001] The utility model relates to the technical field of engine cylinder cover detection, in particular to a guide rod hole runout belt meter detection device. Background Art

[0002] The runout of the guide rod hole of the engine cylinder head has always been a difficult point in the detection process, mainly because the product is an inclined hole and the reference hole is relatively long, which makes detection difficult. In actual production, CMM extended probes are generally used for detection. After the probe is lengthened, the accuracy decreases and the probe is easily damaged. For this reason, we propose a guide rod hole runout detection device with a gauge to solve the above problem. Utility Model Content

[0003] The utility model aims to provide a guide rod hole runout detection device with a meter to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A guide rod hole runout detection device with a gauge comprises a detector body, a mounting shaft hole is provided inside the detector body, a detection needle rod is clamped on the inner wall of the mounting shaft hole, a detection probe is fixedly connected to the bottom end of the detection needle rod, a ring-arranged clamping groove is provided on the outer surface of the detection needle rod, a group of elastic tensioning positioning sleeves are clamped together on the inner walls of a group of the clamping grooves, a clamping groove is provided on the right side surface of the detector body, a supporting wooden strip is clamped on the inner wall of the clamping groove, a supporting spring is fixedly connected to the inner wall of the detector body and the inner wall of the supporting wooden strip, a ball is fixedly inlaid on the outer surface of the supporting wooden strip, a dial mounting hole is provided on the left side surface of the detector body, a Mitutoyo high-precision digital display micrometer is installed on the inner wall of the dial mounting hole, and a needle probe is installed on the right end of the Mitutoyo high-precision digital display micrometer.

[0006] In a further embodiment, a mounting seat is fixedly connected to the upper surface of the detector body, and a gripping handle is fixedly connected to the upper surface of the mounting seat.

[0007] In a further embodiment, a limit stopper is provided on the right side of the detector body, and two groups of mounting screw holes are opened on the right side surface of the limit stopper.

[0008] In a further embodiment, the outer surface of the Mitutoyo high-precision digital micrometer is sleeved with a fastening hoop, and the outer surface of the fastening hoop is provided with two fastening holes.

[0009] In a further embodiment, the outer surface of each elastic tensioning positioning sleeve is provided with a U-shaped opening.

[0010] In a further embodiment, the Mitutoyo high-precision digital micrometer has a measurement resolution of 0.001 mm and a measurement accuracy error of ≤0.005 mm.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] This device uses Mitutoyo's high-precision digital micrometer with a measurement resolution of 0.001mm and a measurement accuracy error of ≤0.005mm, which can effectively increase the measurement accuracy of the device. The elastic tensioning locating sleeve can eliminate the positioning gap caused by the change in the positioning hole size. It has good stability and is easy to achieve efficient and accurate measurement of the runout and inclined holes of the engine cylinder head guide rod holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the guide rod hole runout detection device with a meter.

[0014] Figure 2 It is a schematic diagram of the internal dissection structure of the detector body in the guide rod hole runout band meter detection device.

[0015] Figure 3 It is a side view of the detector body in the guide rod hole runout belt meter detection device.

[0016] Figure 4 It is a top view of the detector body in the guide rod hole runout belt meter detection device.

[0017] In the figure: 1. Detector body; 2. U-shaped mouth; 3. Elastic tensioning positioning sleeve; 4. Detection probe; 5. Detection needle rod; 6. Fastening hoop; 7. Mitutoyo high-precision digital micrometer; 8. Fastening hole; 9. Holding handle; 10. Mounting seat; 11. Limit block; 12. Mounting screw hole; 13. Mounting shaft hole; 14. Snap-on groove; 15. Needle probe; 16. Dial mounting hole; 17. Snap-on groove; 18. Supporting wooden strip; 19. Supporting spring; 20. Ball. DETAILED DESCRIPTION

[0018] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[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] See also Figure 1-4In the utility model, a guide rod hole runout detection device with a meter comprises a detector body 1, a mounting shaft hole 13 is provided inside the detector body 1, a detection needle rod 5 is clamped on the inner wall of the mounting shaft hole 13, a detection probe 4 is fixedly connected to the bottom end of the detection needle rod 5, a ring-arranged clamping groove 14 is provided on the outer surface of the detection needle rod 5, a group of elastic tensioning positioning sleeves 3 are clamped together on the inner wall of a group of clamping grooves 14, a clamping groove 17 is provided on the right side of the detector body 1, a supporting wood strip 18 is clamped on the inner wall of the clamping groove 17, a supporting spring 19 is fixedly connected to the inner wall of the detector body 1 and the inner wall of the supporting wood strip 18, a ball bearing 20 is fixedly inlaid on the outer surface of the supporting wood strip 18, a dial mounting hole 16 is provided on the left side of the detector body 1, a Mitutoyo high-precision digital display micrometer 7 is installed on the inner wall of the dial mounting hole 16, and a needle probe 15 is installed on the right end of the Mitutoyo high-precision digital display micrometer 7.

[0022] A mounting base 10 is fixedly connected to the upper surface of the detector body 1, and a holding handle 9 is fixedly connected to the upper surface of the mounting base 10, which can make it easier for the inspector to hold the detection device and facilitate the detection of the runout of the guide rod hole of the engine cylinder head. A limit block 11 is provided on the right side of the detector body 1, and two groups of mounting screw holes 12 are provided on the right side of the limit block 11, which can limit and block the supporting wooden strips 18, thereby facilitating the stable use of the detection device.

[0023] The outer surface of the Mitutoyo high-precision digital display micrometer 7 is sleeved with a fastening hoop 6, and the outer surface of the fastening hoop 6 is provided with two fastening holes 8, which can fasten and install the Mitutoyo high-precision digital display micrometer 7, and facilitate the stable use of the Mitutoyo high-precision digital display micrometer 7. The outer surface of each elastic tensioning positioning sleeve 3 is provided with a U-shaped opening 2, which can increase the elastic expansion and contraction amount of the elastic tensioning positioning sleeve 3. The Mitutoyo high-precision digital display micrometer 7 has a measurement resolution of 0.001mm and a measurement accuracy error of ≤0.005mm, which can realize the accurate use of the Mitutoyo high-precision digital display micrometer 7 and facilitate the precise processing of the run-out of the guide rod hole of the engine cylinder head.

[0024] The working principle of the utility model is:

[0025] When in use, the inspector holds the gripping handle 9 to pick up the inspection device, then inserts the inspection probe 4 and the inspection needle rod 5 into the inside of the beveled hole of the guide rod hole of the engine cylinder head, and utilizes the elastic characteristics of the elastic tensioning positioning sleeve 3 to make the inspection needle rod 5 fully fill the inside of the beveled hole of the guide rod hole of the engine cylinder head, thereby eliminating the positioning gap caused by the change in the positioning hole diameter size, and then rotates the gripping handle 9 and the measuring mechanism for one circle, and through the cooperation of the Mitutoyo high-precision digital micrometer 7, quickly measures the bevel of the orifice of the guide rod hole of the engine cylinder head relative to the reference hole.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A guide rod hole runout detection device, characterized in that: The invention comprises a detector body (1), wherein a mounting shaft hole (13) is provided inside the detector body (1), a detection needle rod (5) is clamped on the inner wall of the mounting shaft hole (13), a detection probe (4) is fixedly connected to the bottom end of the detection needle rod (5), an annularly arranged clamping groove (14) is provided on the outer surface of the detection needle rod (5), a group of elastic tensioning positioning sleeves (3) are clamped together on the inner walls of a group of the clamping grooves (14), a clamping groove (17) is provided on the right side surface of the detector body (1), and the clamping groove (14) is provided on the right side surface of the detector body (1). The inner wall of the connecting groove (17) is clamped with a supporting wood bar (18); the inner wall of the detector body (1) and the inner wall of the supporting wood bar (18) are fixedly connected with a supporting spring (19); the outer surface of the supporting wood bar (18) is fixedly inlaid with a ball (20); the left side of the detector body (1) is provided with a dial mounting hole (16); the inner wall of the dial mounting hole (16) is installed with a Mitutoyo high-precision digital display micrometer (7); and the right end of the Mitutoyo high-precision digital display micrometer (7) is installed with a needle probe (15).

2. A guide rod hole runout band meter detection device according to claim 1, characterized in that: The upper surface of the detector body (1) is fixedly connected to a mounting seat (10), and the upper surface of the mounting seat (10) is fixedly connected to a gripping handle (9).

3. A guide rod hole runout band meter detection device according to claim 1, characterized in that: A limit stopper (11) is provided on the right side of the detector body (1), and two groups of mounting screw holes (12) are provided on the right side surface of the limit stopper (11).

4. A guide rod hole runout band meter detection device according to claim 1, characterized in that: The outer surface of the Mitutoyo high-precision digital micrometer (7) is sleeved with a fastening hoop (6), and the outer surface of the fastening hoop (6) is provided with two fastening holes (8).

5. A guide rod hole runout band meter detection device according to claim 1, characterized in that: The outer surface of each elastic tensioning positioning sleeve (3) is provided with a U-shaped opening (2).

6. A guide rod hole runout band meter detection device according to claim 1, characterized in that: The Mitutoyo high-precision digital display micrometer (7) has a measurement resolution of 0.001 mm and a measurement accuracy error of ≤0.005 mm.

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