Centering testing tool for groove hole of valve plate of cylinder body

Abstract

The utility model discloses a centering testing tool for a groove hole of a cylinder body valve plate, the cylinder body valve plate tested by the testing tool is of an L-shaped structure, one end of the cylinder body valve plate is provided with an X-direction transverse pipe, the shaft end of the transverse pipe is provided with a transverse hole prefabricated groove, the middle part of the cylinder body valve plate is provided with a Z-direction vertical pipe, and when the included angle between the axis of the transverse pipe and the axis of the vertical pipe is 90 degrees, the cylinder body valve plate is tested to be qualified; the centering inspection tool comprises an X-direction insertion rod and a Z-direction insertion rod, wherein the middle part of the Z-direction insertion rod is provided with a radial through inspection hole. The inspection end of the X-direction insertion rod is coaxially inserted into the transverse pipe in the X direction, and the periphery of the inspection end of the X-direction insertion rod is in sliding clearance fit with the inner wall of the inner hole of the transverse pipe and the inner wall of the inspection hole. The inspection end of the Z-direction insertion rod is coaxially inserted into the vertical pipe in the Z direction, and the periphery of the inspection end of the Z-direction insertion rod is in sliding clearance fit with the inner wall of the inner hole of the vertical pipe. The inspection tool effectively inspects the hole diameter and the hole axis included angle of the inner holes of the horizontal pipe and the vertical pipe in a simple insertion mode, and is simple in structure and easy to implement.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool fixture technical field, concretely is a kind of centering gauge of cylinder valve piece groove hole. BACKGROUND

[0002] In the prior art machining field, it is difficult to inspect the size of each part of special-shaped workpieces, especially blank parts. Usually, the drawings require the size of a certain side from the center hole, or the width / length size after centering two sides, or the distance between holes and the perpendicularity between holes.

[0003] However, it is difficult to find a standard reference surface or reference point on the surface of the special-shaped workpiece, and it is difficult to measure and verify the size of the specific part of the workpiece planned on the drawing. SUMMARY

[0004] The utility model aims at at least one of the technical problems existing in the prior art. To this end, one object of the utility model is to provide a centering gauge for cylinder valve piece groove hole. The gauge effectively inspects the hole diameter and hole axis angle of the horizontal pipe and vertical pipe inner hole through a simple plug-in method, and has a simple structure and is easy to implement.

[0005] To solve the above problems, the utility model provides a centering gauge for cylinder valve piece groove hole. The cylinder valve piece inspected by the gauge has an L-shaped structure. One end of the cylinder valve piece is provided with a horizontal pipe in the X direction, and the shaft end of the horizontal pipe is provided with a horizontal hole prefabricated groove. The middle part of the cylinder valve piece is provided with a vertical pipe in the Z direction. When the horizontal pipe and the vertical pipe have an axis angle of 90°, the inspection is qualified.

[0006] The centering gauge includes an X-direction plug-in rod and a Z-direction plug-in rod. The middle part of the Z-direction plug-in rod is provided with a radial through hole. The inspection end of the X-direction plug-in rod is coaxially plugged into the horizontal pipe in the X direction, and the outer periphery of the inspection end of the X-direction plug-in rod is in sliding clearance fit with the inner wall of the horizontal pipe inner hole and the inner wall of the hole. The inspection end of the Z-direction plug-in rod is coaxially plugged into the vertical pipe in the Z direction, and the outer periphery of the inspection end of the Z-direction plug-in rod is in sliding clearance fit with the inner wall of the vertical pipe inner hole.

[0007] Preferably, the X-direction plug-in rod includes an X plug-in rod handle, a stepped limiting ring and an X-direction inspection rod which are coaxially and fixedly arranged in sequence. The X-direction inspection rod is coaxially plugged into the horizontal pipe and the hole. The diameter of the stepped limiting ring is larger than the inner hole diameter of the horizontal pipe. The shaft end of the stepped limiting ring abuts against the outer wall of the shaft end of the horizontal pipe, and the stepped limiting ring is radially fixed with a test block which is plugged into the horizontal hole prefabricated groove in the X direction.

[0008] Preferably, the Z-direction plug-in rod includes an upper test rod and a lower test rod which are coaxially and fixedly arranged in sequence. The upper test rod is radially provided with a test hole. The lower test rod penetrates the vertical hole in the Z direction.

[0009] The utility model has the following advantages compared with the prior art:

[0010] The utility model discloses a kind of cylinder valve piece groove hole's centering gauge, with X direction inspection rod coaxial insertion in the inner hole of cross pipe and test hole in X direction plug rod, to test the coaxiality of two shaft holes, and the aperture of cross pipe inner hole;In addition, step limiting ring and test block are used for the relative positioning of X direction inspection rod and cross pipe.The aperture of vertical pipe inner hole is tested by the lower test rod of Z direction plug rod, since upper test rod and lower test rod are coaxial, and test aperture is radially opened on upper test rod, so X direction inspection rod can be inserted into test hole as X direction, when cross pipe and vertical pipe's axial angle is 90 °. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any inventive labor.

[0012] Fig. 1 It is the front view (test attitude schematic diagram) of the utility model;

[0013] Fig. 2 It is the structural schematic diagram of X direction plug rod in the utility model;

[0014] Fig. 3 It is the structural schematic diagram of Z direction plug rod in the utility model;

[0015] In the drawing: 1-X plug rod hand handle; 2-step limiting ring; 3-test block; 4-cross pipe; 5-upper test rod; 6-X direction inspection rod; 7-lower test rod; 8-vertical pipe; 9-test hole. DETAILED DESCRIPTION

[0016] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0017] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to specific circumstances.

[0018] The present invention will now be described in further detail with reference to the accompanying drawings.

[0019] Combination Figs. 1-3 This utility model discloses a centering test tool for cylinder valve plate slots. The cylinder valve plate being tested by the test tool has an L-shaped structure. One end of the cylinder valve plate is provided with an X-direction horizontal tube 4, and the axial end of the horizontal tube is provided with a pre-made horizontal hole slot. The middle part of the cylinder valve plate is provided with a Z-direction vertical tube 8. The test is considered qualified when the included angle between the axes of the horizontal tube and the vertical tube is 90°.

[0020] The alignment tool includes an X-axis insertion rod and a Z-axis insertion rod. The Z-axis insertion rod has a radially penetrating inspection hole 9 in its middle. The inspection end of the X-axis insertion rod is coaxially inserted into the horizontal tube in the X direction, and the outer periphery of the inspection end of the X-axis insertion rod slides with a clearance fit with the inner wall of the horizontal tube and the inner wall of the inspection hole. The inspection end of the Z-axis insertion rod is coaxially inserted into the vertical tube in the Z direction, and the outer periphery of the inspection end of the Z-axis insertion rod slides with a clearance fit with the inner wall of the vertical tube.

[0021] Preferably, the X-direction insertion rod includes an X-direction insertion rod handle 1, a stepped limiting ring 2, and an X-direction inspection rod 6, which are coaxially fixed in sequence. The X-direction inspection rod is coaxially inserted into the horizontal tube and the inspection hole. The diameter of the stepped limiting ring is larger than the inner diameter of the horizontal tube. The axial end of the stepped limiting ring abuts against the outer wall of the axial end of the horizontal tube. The stepped limiting ring is radially fixed with an X-direction inspection block 3 that is inserted into the pre-fabricated groove of the horizontal hole.

[0022] Preferably, the Z-direction insertion rod includes an upper inspection rod 5 and a lower inspection rod 7 that are coaxially fixed in sequence; the upper inspection rod has a radial inspection hole; and the lower inspection rod penetrates the vertical hole in the Z direction.

[0023] The working principle of this utility model is as follows:

[0024] The alignment tool for the valve plate slot of the cylinder block according to this utility model has the following inspection process:

[0025] 1. First, insert the lower part of the Z-direction insertion rod into the vertical tube in the Z direction, and then rotate the inspection hole on the upper insertion rod to align the inspection hole with the inner hole of the horizontal tube.

[0026] 2. Next, insert the X-direction inspection rod into the horizontal tube in the X direction. During this process, the stepped limiting ring circumferentially supports the axial end of the horizontal tube, and the inspection block is inserted into the pre-cast groove of the horizontal hole in the X direction to position the X-direction inspection rod. Finally, the inspection is considered qualified when the X-direction inspection rod can be inserted into the inspection hole.

[0027] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited to this. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A centering tester for cylinder valve plate slots, wherein the cylinder valve plate being tested by the tester has an L-shaped structure, one end of the cylinder valve plate is provided with a horizontal tube in the X direction, and the axial end of the horizontal tube is provided with a pre-made horizontal slot, and the middle part of the cylinder valve plate is provided with a vertical tube in the Z direction, wherein the inspection is qualified when the included angle between the axes of the horizontal tube and the vertical tube is 90°. Its features are: The alignment tool includes an X-axis insertion rod and a Z-axis insertion rod, wherein the Z-axis insertion rod has a radially penetrating inspection hole in its middle part; the inspection end of the X-axis insertion rod is coaxially inserted into the horizontal tube in the X direction, and the outer periphery of the inspection end of the X-axis insertion rod slides with a clearance fit with the inner wall of the horizontal tube and the inner wall of the inspection hole; the inspection end of the Z-axis insertion rod is coaxially inserted into the vertical tube in the Z direction, and the outer periphery of the inspection end of the Z-axis insertion rod slides with a clearance fit with the inner wall of the vertical tube.

2. The alignment fixture for cylinder valve plate slots according to claim 1, characterized in that: The X-direction insertion rod includes an X-direction insertion rod handle, a stepped limiting ring, and an X-direction inspection rod, which are coaxially fixed in sequence. The X-direction inspection rod is coaxially inserted into the horizontal tube and the inspection hole. The diameter of the stepped limiting ring is larger than the inner diameter of the horizontal tube. The axial end of the stepped limiting ring abuts against the outer wall of the axial end of the horizontal tube, and an inspection block is radially fixed on the stepped limiting ring and inserted into the prefabricated groove of the horizontal hole.

3. The alignment fixture for cylinder valve plate slots according to claim 1, characterized in that: The Z-direction insertion rod includes an upper inspection rod and a lower inspection rod that are coaxially fixed in sequence; the upper inspection rod has an inspection hole radially formed on it; the lower inspection rod penetrates the vertical hole in the Z direction.

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