Cylinder cover valve seat conical surface runout degree measuring device

Abstract

The utility model relates to the technical field of mechanical measurement, and discloses a cylinder cover valve seat conical surface runout degree measuring device which comprises a positioning mechanism. The rotating mechanism is rotationally connected with the first end of the positioning mechanism, and the rotating mechanism is used for making contact with the conical surface of the cylinder cover valve seat and rotating around the axis of the guide pipe hole relative to the positioning mechanism; the handle is rotationally connected with the rotating mechanism; the dial gauge comprises a main body and a measuring head mounted on the main body, the main body is fixedly connected with the handle, and the measuring head is in contact with the rotating mechanism. During use, the positioning mechanism extends into a guide pipe hole of the cylinder cover valve seat, the conical surface contact between the rotating mechanism and the cylinder cover valve seat is ensured, and the measuring head of the dial indicator is contacted with the rotating mechanism; and then, the rotating mechanism is screwed around the axis of the conduit hole, the pointer reading on the dial indicator body is read, the dial indicator body cannot rotate relative to the operator, the operator can read the pointer reading of the dial indicator more conveniently, and therefore the measurement efficiency of the conical surface runout degree of the cylinder cover valve seat is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical measurement, in particular to a device for measuring the runout of a cone surface of a cylinder cover valve seat. Background Art

[0002] The cone surface of the cylinder head valve seat is a key part that affects the engine performance. Whether its runout is within a reasonable range is an important criterion for measuring whether the cone surface processing is qualified.

[0003] In the prior art, when measuring the runout of the cone surface of the cylinder head valve seat, the probe of the micrometer is usually brought into contact with the outer edge of the opening of the conduit hole of the cylinder head valve seat, and the probe of the micrometer is used to abut against the cone surface of the cylinder head valve seat and rotate around the axis of the conduit hole, and the runout of the cone surface of the cylinder head valve seat is obtained by reading the pointer reading of the micrometer; however, since the micrometer is in a rotating state during the measurement process, the pointer reading during the rotation process is not easy to read.

[0004] Therefore, how to accurately measure the cone runout of the cylinder head valve seat while also being able to easily read the pointer reading of the micrometer, thereby improving the measurement efficiency, has become a technical problem that needs to be urgently solved in this field. Utility Model Content

[0005] The purpose of the utility model is to at least solve the problem of how to accurately measure the cone runout of the cylinder head valve seat while also being able to easily read the pointer reading of the micrometer, thereby improving the measurement efficiency. This purpose is achieved through the following technical solutions:

[0006] In the first aspect, the utility model proposes a cylinder head valve seat conical surface runout measuring device, which is used to measure the conical surface runout of the cylinder head valve seat, and the cylinder head valve seat conical surface runout measuring device includes: a positioning mechanism, which is used to extend into the conduit hole of the cylinder head valve seat; a rotating mechanism, which is rotationally connected to the first end of the positioning mechanism, and the rotating mechanism is used to contact the conical surface of the cylinder head valve seat and rotate around the axis of the conduit hole relative to the positioning mechanism; a handle, which is located at one end of the rotating mechanism away from the positioning mechanism, and the handle is rotationally connected to the rotating mechanism; and a micrometer, including a main body and a probe installed on the main body, the main body is fixedly connected to the handle, and the probe is in contact with the rotating mechanism.

[0007] When using this cylinder head valve seat cone runout measuring device, first, the operator holds the handle and extends the positioning mechanism into the conduit hole of the cylinder head valve seat to position the cylinder head valve seat cone runout measuring device as a whole and ensure that the rotating mechanism contacts the cone surface of the cylinder head valve seat and the probe of the micrometer contacts the rotating mechanism; then, the rotating mechanism is screwed around the axis of the conduit hole so that the rotating mechanism rotates along the cone surface of the cylinder head valve seat; at the same time, the micrometer can convert the linear displacement of the rotating mechanism relative to the cone surface of the cylinder head valve seat when rotating into the pointer reading on the main body of the micrometer. Since the main body of the micrometer is fixedly mounted on the handle and the rotating mechanism is rotationally connected to the handle, the main body of the micrometer will not rotate relative to the operator when the rotating mechanism rotates, which makes it easier for the operator to read the pointer reading of the micrometer, thereby improving the measurement efficiency of the cone runout of the cylinder head valve seat.

[0008] In some embodiments of the utility model, the rotating mechanism includes: a measuring ball, used to contact the conical surface of the cylinder head valve seat, the measuring ball is rotationally connected to the positioning mechanism; and a gauge body, fixedly connected to the measuring ball, the end of the gauge body facing away from the measuring ball is rotationally connected to the handle, and the measuring head is in contact with the gauge body.

[0009] In some embodiments of the present invention, the rotating mechanism further includes a screwing portion, which is connected to an end of the gauge body away from the measuring ball, and the outer diameter of the screwing portion is greater than the outer diameter of the gauge body.

[0010] In some embodiments of the present invention, anti-slip patterns are provided on the outer wall of the screwing portion.

[0011] In some embodiments of the present invention, the positioning mechanism includes: a positioning rod for rotationally connecting with the rotating mechanism; and a core rod connected to one end of the positioning rod away from the rotating mechanism, and the diameter of the core rod matches the diameter of the catheter hole.

[0012] In some embodiments of the present invention, the positioning rod is detachably connected to the core rod.

[0013] In some embodiments of the present invention, there are multiple mandrels, and the diameters of the multiple mandrels are different.

[0014] In some embodiments of the utility model, the cylinder head valve seat cone runout measuring device also includes a gauge seat, the gauge seat is fixedly connected to the handle, and the micrometer is installed on the gauge seat.

[0015] In some embodiments of the utility model, the dial base is detachably connected to the handle, and the micrometer is detachably connected to the dial base.

[0016] In some embodiments of the present invention, the dial base is detachably connected to the handle via a first screw, and the micrometer is detachably connected to the dial base via a second screw.

[0017] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0019] Figure 1 A schematic structural diagram of a cylinder head valve seat cone runout measuring device provided in an embodiment of the utility model.

[0020] The reference numerals are as follows:

[0021] 10. Cylinder head valve seat cone runout measurement device

[0022] 1. Positioning mechanism; 11. Positioning rod; 12. Mandrel;

[0023] 2. Rotating mechanism; 21. Measuring ball; 22. Gauge body; 23. Screwing part;

[0024] 3. Handle;

[0025] 4. Micrometer; 41. Main body; 411. Dial; 42. Probe;

[0026] 5. Table seat; 51. Fixed plate;

[0027] 6. First screw;

[0028] 7. Second screw. DETAILED DESCRIPTION

[0029] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0031] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0032] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0033] Figure 1 The schematic diagram of the structure of the cylinder head valve seat cone runout measuring device provided by the embodiment of the utility model is as follows: Figure 1As shown, an embodiment of the utility model provides a cylinder head valve seat conical surface runout measuring device 10, which is used to measure the conical surface runout of the cylinder head valve seat, and the cylinder head valve seat conical surface runout measuring device 10 includes: a positioning mechanism 1, which is used to extend into the conduit hole of the cylinder head valve seat; a rotating mechanism 2, which is rotatably connected to the first end of the positioning mechanism 1, and the rotating mechanism 2 is used to contact the conical surface of the cylinder head valve seat and rotate around the axis of the conduit hole relative to the positioning mechanism 1; a handle 3, which is located at the end of the rotating mechanism 2 away from the positioning mechanism 1, and the handle 3 is rotatably connected to the rotating mechanism 2; and a micrometer 4, which includes a main body 41 and a probe 42 installed on the main body 41, the main body 41 is fixedly connected to the handle 3, and the probe 42 is in contact with the rotating mechanism 2.

[0034] The micrometer 4 is a length measuring instrument for reading linear displacement. For example, the main body 41 of the micrometer 4 may include a dial 411. Figure 1 As shown, the micrometer 4 converts the general linear displacement into the rotational motion of the pointer through gears or levers, and then reads on the dial 411. When measuring the cone runout of the cylinder head valve seat, the cone runout of the cylinder head valve seat is usually confirmed by measuring the linear displacement of the rotating mechanism 2 relative to the cone surface of the cylinder head valve seat during rotation.

[0035] In addition, the dial 411 of the micrometer 4 can be arranged to face the direction close to the handle 3, such as Figure 1 As shown, it is convenient for the operator to read the data on the dial 411.

[0036] In this embodiment, when the cylinder head valve seat cone runout measuring device 10 is used, first, the operator holds the handle 3 and extends the positioning mechanism 1 into the conduit hole of the cylinder head valve seat to position the cylinder head valve seat cone runout measuring device 10 as a whole, and ensures that the rotating mechanism 2 contacts the conical surface of the cylinder head valve seat, and the probe 42 of the micrometer 4 contacts the rotating mechanism 2; then, the rotating mechanism 2 is screwed around the axis of the conduit hole so that the rotating mechanism 2 rotates against the conical surface of the cylinder head valve seat; at the same time, the micrometer 4 can convert the linear displacement of the rotating mechanism 2 relative to the conical surface of the cylinder head valve seat when rotating into the pointer reading on the main body 41 of the micrometer 4. Since the main body 41 of the micrometer 4 is fixedly mounted on the handle 3, and the rotating mechanism 2 is rotationally connected to the handle 3, when the rotating mechanism 2 rotates, the main body 41 of the micrometer 4 will not rotate relative to the operator, which makes it easier for the operator to read the pointer reading of the micrometer 4.

[0037] Therefore, the cylinder head valve seat cone surface runout measuring device 10 provided in this embodiment can improve the measurement efficiency of the cylinder head valve seat cone surface runout.

[0038] refer to Figure 1According to an optional embodiment of the present application, the rotating mechanism 2 includes: a measuring ball 21, which is used to contact the conical surface of the cylinder head valve seat, and the measuring ball 21 is rotationally connected to the positioning mechanism 1; and a gauge body 22, which is fixedly connected to the measuring ball 21, and the end of the gauge body 22 away from the measuring ball 21 is rotationally connected to the handle 3, and the measuring head 42 is in contact with the gauge body 22.

[0039] In this embodiment, after the positioning mechanism 1 is extended into the conduit hole of the cylinder head valve seat, it is ensured that the measuring ball 21 contacts the conical surface of the cylinder head valve seat, the probe 42 of the micrometer 4 contacts the gauge body 22, and it should be ensured that the axis of the measuring ball 21 coincides with the axis of the conduit hole; then, the gauge body 22 is screwed around the axis of the conduit hole, and since the gauge body 22 is fixedly connected to the measuring ball 21, the measuring ball 21 will rotate against the conical surface of the cylinder head valve seat; during the rotation of the measuring ball 21, the pointer reading on the main body 41 of the micrometer 4 can be read to confirm the conical surface runout of the cylinder head valve seat.

[0040] The outer wall of the gauge body 22 may be a smooth arc surface. Thus, when the probe 42 and the gauge body 22 rub against each other, the wear of the probe 42 can be reduced to a certain extent, thereby ensuring the service life of the micrometer 4.

[0041] Continue to refer Figure 1 According to an optional embodiment of the present application, the rotating mechanism 2 also includes a screwing portion 23, which is connected to an end of the gauge body 22 away from the measuring ball 21, and the outer diameter of the screwing portion 23 is greater than the outer diameter of the gauge body 22.

[0042] In this embodiment, when the positioning mechanism 1 extends into the conduit hole of the cylinder head valve seat, and confirms that the measuring ball 21 is in contact with the conical surface of the cylinder head valve seat, and the probe 42 of the micrometer 4 is in contact with the gauge body 22, the operator can hold the screwing part 23 to rotate the measuring ball 21. Since the outer diameter of the screwing part 23 is larger than the outer diameter of the gauge body 22, it is easier for the operator to rotate the screwing part 23, which improves the convenience of measurement to a certain extent.

[0043] According to an optional embodiment of the present application, an anti-slip pattern is provided on the outer wall of the screwing portion 23 .

[0044] In this embodiment, when the measuring ball 21 needs to be rotated, the operator can hold the outer wall of the screwing part 23 to rotate it. Since the outer wall of the screwing part 23 is provided with anti-slip grooves, the friction between the screwing part 23 and the operator's hand is improved, which makes it easier to rotate the screwing part 23, further improving the convenience of measurement.

[0045] like Figure 1As shown, according to an optional embodiment of the present application, the positioning mechanism 1 includes: a positioning rod 11, which is used to be rotatably connected to the rotating mechanism 2; and a core rod 12, which is connected to one end of the positioning rod 11 away from the rotating mechanism 2, and the diameter of the core rod 12 matches the diameter of the catheter hole.

[0046] In this embodiment, when the cylinder head valve seat cone runout measuring device 10 is in use, first, the operator holds the handle 3 and inserts the core rod 12 into the interior of the conduit hole to position the cylinder head valve seat cone runout measuring device 10 as a whole, and then performs the operations of screwing the rotating mechanism 2 and reading the pointer reading of the micrometer 4.

[0047] This arrangement improves the overall positioning accuracy of the cylinder head valve seat cone runout measuring device 10 because the diameter of the core rod 12 matches the diameter of the conduit hole, and ensures that the rotary machine can rotate relative to the core rod 12 around the axis of the conduit hole, thereby ensuring the measurement accuracy of the cone runout of the cylinder head valve seat.

[0048] According to an optional embodiment of the present application, the positioning rod 11 is detachably connected to the core rod 12 .

[0049] In this embodiment, the detachable manner facilitates the maintenance or replacement of the core rod 12 .

[0050] According to an optional embodiment of the present application, there are multiple mandrels 12, and the diameters of the multiple mandrels 12 are different.

[0051] In this embodiment, since the positioning rod 11 and the core rod 12 are detachably connected, the positioning rod 11 can be adapted to multiple core rods 12 with different diameters, so that the diameter of each core rod 12 matches the diameter of the conduit holes of different cylinder head valve seats, thereby being suitable for measuring the conical surface runout of cylinder head valve seats with different conduit hole diameters.

[0052] Therefore, a positioning rod 11 and a plurality of core rods 12 with different diameters can improve the use scenario of the cylinder head valve seat cone runout measuring device 10, thereby meeting the measurement of the cone runout of cylinder head valve seats with different conduit hole diameters.

[0053] refer to Figure 1 According to an optional embodiment of the present application, the cylinder head valve seat cone runout measuring device 10 also includes a gauge seat 5, the gauge seat 5 is fixedly connected to the handle 3, and the micrometer 4 is installed on the gauge seat 5.

[0054] In this embodiment, the dial base 5 can be welded to the handle 3, and the micrometer 4 can be welded to the dial base 5, so as to improve stability.

[0055] According to an optional embodiment of the present application, the dial stand 5 is detachably connected to the handle 3 , and the micrometer 4 is detachably connected to the dial stand 5 .

[0056] In this embodiment, the dial stand 5 is detachably connected to the handle 3. When the dial stand 5 is damaged, it is convenient to replace and repair the dial stand 5. For example, the dial stand 5 may include a clamping claw, and the dial stand 5 is clamped to the handle 3 by the clamping claw; similarly, the micrometer 4 can also be clamped on the dial stand 5 by the clamping claw.

[0057] According to an optional embodiment of the present application, the dial base 5 is detachably connected to the handle 3 via a first screw 6 , and the micrometer 4 is detachably connected to the dial base 5 via a second screw 7 .

[0058] In this embodiment, the screw connection method has a simple structure and is easy to assemble, and can also ensure the stability of the connection while satisfying the requirement of detachable connection.

[0059] Specifically, continue to refer to Figure 1 The dial stand 5 may include two fixing plates 51 (only one fixing plate 51 is visible from the angle in the figure), the two fixing plates 51 are respectively arranged on both sides of the handle 3, and the two ends of the two fixing plates 51 are fixedly connected by a first screw 6 and a second screw 7 respectively, so as to clamp the two fixing plates 51 on the handle 3; in addition, the micrometer 4 can pass through the two fixing plates 51, and a threaded hole is arranged on the micrometer 4. The second screw 7 can pass through the threaded hole while fixing one end of the two fixing plates 51, so as to fix the micrometer 4 to the dial stand 5; therefore, the micrometer 4 can be fixed relative to the dial stand 5, and the dial stand 5 can be fixed relative to the handle 3 by two screws.

[0060] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cylinder head valve seat cone runout measuring device, characterized in that: include: A positioning mechanism, used for extending into the conduit hole of the cylinder head valve seat; A rotating mechanism, rotatably connected to the first end of the positioning mechanism, the rotating mechanism being used to contact the conical surface of the cylinder head valve seat and rotate relative to the positioning mechanism around the axis of the conduit hole; A handle, located at an end of the rotating mechanism away from the positioning mechanism, the handle being rotatably connected to the rotating mechanism; as well as The micrometer comprises a main body and a probe installed on the main body, wherein the main body is fixedly connected to the handle, and the probe is in contact with the rotating mechanism.

2. The cylinder head valve seat cone runout measuring device according to claim 1, characterized in that: The rotating mechanism comprises: a measuring ball, used to contact the conical surface of the cylinder head valve seat, the measuring ball being rotatably connected to the positioning mechanism; and A gauge body is fixedly connected to the measuring ball, one end of the gauge body facing away from the measuring ball is rotatably connected to the handle, and the measuring head is in contact with the gauge body.

3. The cylinder head valve seat cone runout measuring device according to claim 2, characterized in that: The rotating mechanism further comprises a screwing portion, wherein the screwing portion is connected to an end of the gauge body away from the measuring ball, and an outer diameter of the screwing portion is greater than an outer diameter of the gauge body.

4. The cylinder head valve seat cone runout measuring device according to claim 3, characterized in that: The outer wall of the screwing part is provided with anti-skid patterns.

5. The cylinder head valve seat cone runout measuring device according to claim 1, characterized in that: The positioning mechanism comprises: a positioning rod, configured to be rotatably connected to the rotating mechanism; and A core rod is connected to an end of the positioning rod away from the rotating mechanism, and the diameter of the core rod matches the diameter of the catheter hole.

6. The cylinder head valve seat cone runout measuring device according to claim 5, characterized in that: The positioning rod is detachably connected to the core rod.

7. The cylinder head valve seat cone runout measuring device according to claim 6, characterized in that: There are multiple mandrels, and the diameters of the multiple mandrels are different.

8. The cylinder head valve seat cone runout measuring device according to any one of claims 1 to 7, characterized in that: The cylinder head valve seat cone runout measuring device also includes a dial seat, the dial seat is fixedly connected to the handle, and the micrometer is installed on the dial seat.

9. The cylinder head valve seat cone runout measuring device according to claim 8, characterized in that: The dial base is detachably connected to the handle, and the micrometer is detachably connected to the dial base.

10. The cylinder head valve seat cone runout measuring device according to claim 9, characterized in that: The dial base is detachably connected to the handle via a first screw, and the micrometer is detachably connected to the dial base via a second screw.

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