Dimension measuring tool

Abstract

The utility model discloses a dimension measuring tool, comprising a pedestal, the top surface of which is provided with a positioning ring groove matched with the bottom contour of a nozzle; the first detection assembly is fixedly arranged on one side of the base and used for detecting whether the angular direction of the spray hole is qualified or not; the second detection assembly is used for detecting whether the distance between the end face of the spray hole and the bottom end face of the nozzle is qualified or not. The size measuring tool is convenient to operate, high in detection efficiency, low in detection cost and suitable for batch detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to part detection technical field, especially a size measuring tool. BACKGROUND

[0002] As Figure 1 The nozzle is processed and formed, and the angle direction of the spray hole and the distance between the end face of the spray hole and the bottom end face of the nozzle need to be detected, the conventional measurement method needs to use three coordinates to measure, although the detection precision is high, but the measurement method is troublesome, and the detection efficiency is low. UTILITY MODEL CONTENTS

[0003] In view of the above defects or deficiencies in the prior art, it is expected to provide a size measuring tool, which is convenient to operate, high in detection efficiency, low in detection cost and suitable for batch detection.

[0004] The utility model provides a size measuring tool, which comprises:

[0005] A base having a positioning ring groove on its top surface, which matches the bottom contour of the nozzle;

[0006] A first detection assembly fixedly arranged on one side of the base for detecting whether the angle direction of the spray hole is qualified;

[0007] A second detection assembly for detecting whether the distance between the end face of the spray hole and the bottom end face of the nozzle is qualified.

[0008] Further, the first detection assembly comprises a support column and a needle gauge, the bottom end of the support column is fixedly connected with one side of the base through a positioning and fixing assembly, a support seat is fixedly arranged on the top end of the support column, a detection hole is formed on the support seat along the axial direction of the spray hole, the inner diameter of the detection hole is the same as the inner diameter of the spray hole, and the outer diameter of the needle gauge is in clearance fit with the inner diameter of the spray hole.

[0009] Further, the positioning and fixing assembly comprises a positioning pin and a screw, two first pin holes and two screw holes are formed on one side of the base, a second pin hole is formed on the bottom end of the support column corresponding to the first pin hole, the positioning pin is inserted into the corresponding first pin hole and second pin hole, a through hole is formed on the bottom end of the support column corresponding to the screw hole, and the screw passes through the through hole and is screw-connected with the corresponding screw hole.

[0010] Further, the second detection assembly comprises a go gauge and a no go gauge; the base is provided with a detection base surface parallel to the end surface of the nozzle on the side close to the nozzle; the go gauge can be placed between the nozzle and the detection base surface, and the no go gauge cannot be placed between the nozzle and the detection base surface, so that the distance between the end surface of the nozzle and the bottom end surface of the nozzle is qualified; otherwise, the distance is unqualified.

[0011] Further, the base, the first detection assembly and the second detection assembly are made of stainless steel.

[0012] Compared with the prior art, the size measuring tool has the following beneficial effects:

[0013] The size measuring tool comprises a base, a first detection assembly and a second detection assembly, the first detection assembly is used for detecting whether the angle of the nozzle is qualified, and the second detection assembly is used for detecting whether the distance between the end surface of the nozzle and the bottom end surface of the nozzle is qualified, so that whether the nozzle is qualified can be quickly judged, the operation is convenient, the detection efficiency is high, the detection cost is low, and the size measuring tool is suitable for batch detection.

[0014] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0016] Figure 1 It is a structural schematic view of the nozzle;

[0017] Figure 2 It is a structural schematic view of the size measuring tool;

[0018] Figure 3 It is a structural schematic view of the nozzle installed on the size measuring tool;

[0019] Figure 4 It is a sectional structural schematic view of the nozzle installed on the size measuring tool.

[0020] Reference signs in the drawings: 1, base; 2, first detection assembly; 3, second detection assembly; 4, positioning and fixing assembly; 5, nozzle;

[0021] 11, positioning ring groove;

[0022] 21, support column; 22, needle gauge; 23, base; 24, detection hole; 25, detection base surface;

[0023] 31, go gauge; 32, no go gauge;

[0024] 41, positioning pin; 42, screw;

[0025] 51, spray hole. DETAILED DESCRIPTION

[0026] The utility model will be explained in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0027] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be explained in detail below in combination with the drawings and embodiments.

[0028] Please refer to Figures 1-4 The embodiment of the utility model provides a size measuring tool, comprising:

[0029] The base 1 is provided with a positioning ring groove 11 on the top surface, which matches the bottom profile of the nozzle 5;

[0030] The first detection assembly 2 is fixedly arranged on one side of the base 1 and is used for detecting whether the angle direction of the spray hole 51 is qualified;

[0031] The second detection assembly 3 is used for detecting whether the distance between the end surface of the spray hole 51 and the bottom end surface of the nozzle 5 is qualified.

[0032] In the embodiment, when the nozzle 5 is detected, it is first placed on the base 1, and the bottom is embedded in the positioning ring groove 11; then the first detection assembly 2 is used to detect whether the angle direction of the spray hole 51 is qualified; and then the second detection assembly 3 is used to detect whether the distance between the end surface of the spray hole 51 and the bottom end surface of the nozzle 5 is qualified; the nozzle 5 can be quickly judged whether it is qualified, the operation is convenient, the detection efficiency is high, the detection cost is low, and it is suitable for batch detection.

[0033] In a preferred embodiment, as shown in Figure 2 The first detection assembly 2 comprises a support column 21 and a needle gauge 22, the bottom end of the support column 21 is fixedly connected with one side of the base 1 through the positioning and fixing assembly 4, the top end of the support column 21 is fixedly provided with a support 23, the detection hole 24 is arranged on the support 23 along the axial direction of the spray hole 51, the inner diameter of the detection hole 24 is the same as the inner diameter of the spray hole 51, and the outer diameter of the needle gauge 22 is gap matched with the inner diameter of the spray hole 51.

[0034] In the embodiment, when the angle of the injection hole 51 is detected, the nozzle 5 is placed into the positioning ring groove 11, and then the nozzle 5 is rotated to make the injection hole 51 face the detection hole 24; then the needle gauge 22 is inserted through the detection hole 24 and abuts against the injection hole 51; then the angle of the injection hole 51 is finely adjusted, if the needle gauge 22 can be inserted into the injection hole 51, the angle of the injection hole 51 is qualified; otherwise, the angle of the injection hole 51 is unqualified. The angle of the injection hole 51 is quickly detected, the operation is convenient, and the detection efficiency is high.

[0035] In a preferred embodiment, as shown in Figure 3 The base 1 is provided with two first pin holes and two screw holes on one side; the bottom end of the support 21 is provided with a second pin hole corresponding to the first pin hole, and the corresponding first pin hole and second pin hole are inserted with the positioning pin 41; the bottom end of the support 21 is provided with a through hole corresponding to the screw hole, and the screw 42 is inserted through the through hole and is screwed with the corresponding screw hole.

[0036] In the embodiment, the support 21 and the base 1 are positioned by the positioning pin 41, and then the support 21 and the base 1 are fixed by the screw 42, so that the positioning is accurate, the fixing is stable, and the accuracy of the detection of the nozzle 5 is ensured.

[0037] In a preferred embodiment, as shown in Figure 2 and Figure 4 The second detection assembly 3 includes a go gauge 31 and a no go gauge 32; the support 23 is provided with a detection base surface 25 parallel to the end surface of the injection hole 51 on the side close to the injection hole 51; the go gauge 31 can be placed between the injection hole 51 and the detection base surface 25, and the no go gauge 32 cannot be placed between the injection hole 51 and the detection base surface 25, so that the distance between the end surface of the injection hole 51 and the bottom end surface of the nozzle 5 is qualified; otherwise, the distance is unqualified.

[0038] In the embodiment, when the angle of the injection hole 51 is qualified, the nozzle 5 is kept stationary, and the go gauge 31 and the no go gauge 32 are used for detection, the size of the go gauge 31 satisfies the upper limit of the machining tolerance of the end surface of the injection hole 51, the no go gauge 32 satisfies the lower limit of the machining tolerance of the end surface of the injection hole 51, and the go gauge 31 and the no go gauge 32 satisfy the go and the no go at the same time, which indicates that the distance between the end surface of the injection hole 51 and the bottom end surface of the nozzle 5 is within the machining qualified range; otherwise, the distance is unqualified.

[0039] In a preferred embodiment, the base 1, the first detection assembly 2 and the second detection assembly 3 are all made of stainless steel, which has high structural strength, is not easy to deform, is not easy to rust, and has long service life.

[0040] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A size gauge, characterized by The utility model relates to a nozzle angle detection device, including: A base (1) is provided with a positioning ring groove (11) matching the bottom profile of a nozzle (5) on the top surface; A first detection assembly (2) is fixedly arranged on one side of the base (1) and used for detecting whether the angle of a spray hole (51) is qualified; A second detection assembly (3) is used for detecting whether the distance between the end surface of the spray hole (51) and the bottom end surface of the nozzle (5) is qualified.

2. The size gauge of claim 1, wherein The first detection assembly (2) comprises a support column (21) and a needle gauge (22), the bottom end of the support column (21) is fixedly connected with one side of the base (1) through a positioning and fixing assembly (4), the top end of the support column (21) is fixedly provided with a support (23), the support (23) is provided with a detection hole (24) along the axial direction of the spray hole (51), the inner diameter of the detection hole (24) is the same as the inner diameter of the spray hole (51), and the outer diameter of the needle gauge (22) is gap-fitted with the inner diameter of the spray hole (51).

3. The size gauge of claim 2, wherein, The positioning and fixing assembly (4) comprises a positioning pin (41) and a screw (42), one side of the base (1) is provided with two first pin holes and two screw holes, the bottom end of the support column (21) is provided with a second pin hole corresponding to the first pin hole, the corresponding first pin hole and second pin hole are inserted with the positioning pin (41), and the bottom end of the support column (21) is provided with a through hole corresponding to the screw hole, the screw (42) passes through the through hole and is screw-connected with the corresponding screw hole.

4. The size gauge of claim 2, wherein, The second detection assembly (3) comprises a go gauge (31) and a stop gauge (32), one side of the support (23) close to the spray hole (51) is provided with a detection base surface (25) parallel to the end surface of the spray hole (51), the go gauge (31) can be placed between the spray hole (51) and the detection base surface (25), and the stop gauge (32) cannot be placed between the spray hole (51) and the detection base surface (25), so that the distance between the end surface of the spray hole (51) and the bottom end surface of the nozzle (5) is qualified, otherwise, it is unqualified.

5. The size gauge of claim 1 wherein, The base (1), the first detection assembly (2) and the second detection assembly (3) are all made of stainless steel.

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