CN112344830A

CN112344830A - Gauge for measuring distance from end face to hole center

Info

Publication number: CN112344830A
Application number: CN202011385201.XA
Authority: CN
Inventors: 王军; 薛博文; 邹海滨; 郭建东; 徐佐; 武汉琦; 张艳新
Original assignee: Citic Dicastal Co Ltd
Current assignee: Citic Dicastal Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-02-09

Abstract

The utility model provides a measure utensil of examining of terminal surface to hole center distance, includes the measuring column, the measuring column by last to including in proper order down: the diameter D of the measured column is smaller than that of the measured hole, the diameter of the guide column is larger than that of the measured hole, and the upper surface and the lower surface of the positioning cone are smoothly connected with the measured column and the guide column; the measuring device also comprises a measuring plate, wherein the measuring plate comprises a transverse plate and a positioning plate which are perpendicular to each other, a measuring groove is formed in the transverse plate, the diameter of the measuring groove is D +2Y, Y is more than 0, and the distance from the center line to the left end face of the positioning plate is X; and the distance from the end face of the tested part to the center of the hole is not less than X-Y, and the distance is not more than X + Y, and the detection is qualified.

Description

Gauge for measuring distance from end face to hole center

Technical Field

The invention relates to the technical field of detection tools, in particular to a detection tool for measuring the distance from an end face to the center of a hole.

Background

In the field of machining of automobile parts, special detection requirements are often met, wherein the distance from the center of a bolt hole of a lower swing arm to the end face of the lower swing arm needs to be detected in a steering knuckle. Each piece needs to be clamped by using three-coordinate detection, and the efficiency is very low, so that the detection tool which is simple and convenient to use is needed to realize the detection.

Disclosure of Invention

In view of this, the present invention is directed to a gauge for measuring a distance from an end surface to a hole center, which is capable of rapidly measuring the distance from the end surface to the hole center. In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a measure utensil of examining of terminal surface to hole center distance, includes the measuring column, the measuring column by last to including in proper order down: the diameter D of the measured column is smaller than that of the measured hole, the diameter of the guide column is larger than that of the measured hole, and the upper surface and the lower surface of the positioning cone are smoothly connected with the measured column and the guide column;

the measuring device also comprises a measuring plate, wherein the measuring plate comprises a transverse plate and a positioning plate which are perpendicular to each other, a measuring groove is formed in the transverse plate, the diameter of the measuring groove is D +2Y, Y is more than 0, and the distance from the center line to the left end face of the positioning plate is X; and the distance from the end face of the tested part to the center of the hole is not less than X-Y, and the distance is not more than X + Y, and the detection is qualified.

In some embodiments, the guide post gap is arranged in the positioning sleeve, and an elastic component is arranged between the bottom of the guide post and the positioning sleeve.

In some embodiments, the guide post is provided with a sliding groove, and a top thread matched with the sliding groove is arranged on the positioning sleeve corresponding to the sliding groove.

In some embodiments, the resilient member comprises a spring.

In some embodiments, the perpendicularity of the positioning plate and the transverse plate is 0.005 mm.

In some embodiments, the fit clearance of the guide post and the locating sleeve is 0.005 mm.

Compared with the prior art, the gauge for measuring the distance from the end face to the center of the hole has the following advantages:

the distance from the end face to the center of the hole can be rapidly measured in use; meanwhile, the device has the characteristics of simple structure, high detection precision, safe and stable performance, low manufacturing cost and the like.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a front view of a gauge for measuring a distance from an end face to a hole center according to the present invention.

FIG. 2 is a front view of a gauge measuring post for measuring the distance from an end face to the center of a hole according to the present invention.

FIG. 3 is a front view of a gauge plate for measuring the distance from an end face to the center of a hole according to the present invention.

FIG. 4 is a top view of a gauge plate for measuring distance from an end face to a hole center according to the present invention.

FIG. 5 is a front view of a part under test of the present invention.

Description of reference numerals: 1-a positioning sleeve, 2-a spring, 3-a measuring column, 4-a jackscrew, 5-a measuring plate, 31-a guide column, 32-a chute, 33-a positioning cone, 34-a measured column, 51-a measuring groove, 52-a transverse plate and 53-a positioning plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following describes a gauge for measuring the distance from an end face to the center of a hole according to an embodiment of the present invention with reference to fig. 1 to 5.

The utility model provides a measure utensil of examining of terminal surface to hole center distance, includes measuring post 3, measures post 3 and includes by last to lower in proper order: the diameter D of the measured column 34 is smaller than that of the measured hole, the diameter of the guide column 31 is larger than that of the measured hole, and the upper surface and the lower surface of the positioning cone 33 are smoothly connected with the measured column 34 and the guide column 31;

the measuring device further comprises a measuring plate 4, wherein the measuring plate 4 comprises a transverse plate 52 and a positioning plate 53 which are perpendicular to each other, a measuring groove 51 is formed in the transverse plate 52, the diameter of the measuring groove 51 is D +2Y, Y is larger than 0, and the distance from the center line to the left end face of the positioning plate 53 is X; and the distance from the end face of the tested part to the center of the hole is not less than X-Y, and the distance is not more than X + Y, and the detection is qualified. The guide column 31 is arranged in the positioning sleeve 1 in a clearance mode, and an elastic component is arranged between the bottom of the guide column 31 and the positioning sleeve 1. The guide post 31 is provided with a sliding groove 32, and the position of the positioning sleeve 1 corresponding to the sliding groove 32 is provided with a jackscrew 4 matched with the sliding groove 32. The elastic member includes a spring 2. The perpendicularity of the positioning plate 53 and the transverse plate 52 is 0.005 mm. The fit clearance between the guide column 31 and the positioning sleeve 1 is 0.005 mm.

In one embodiment, the device is composed of a positioning sleeve 1, a spring 2, a measuring column 3, a top thread 4 and a measuring plate 5.

The measuring column 3 includes: the guide post 31, the chute 32, the positioning cone 33 and the measured post 34; the sliding groove 32 is arranged on the guide post 31; the positioning cone 33 is arranged at the top end of the guide post 31, the diameter of the large end of the positioning cone is the diameter of the guide post 31, and the diameter of the small end of the positioning cone is the diameter of the measured post 34; the measured column 34 is placed on the upper end of the positioning cone 33.

The measuring board 5 includes: a measuring groove 51, a horizontal plate 52 and a positioning plate 53; the measuring groove 51 is arranged at one end of the transverse plate 52, and the width of the measuring groove is D + 2Y; the positioning plate 53 is fixed on one side of the lower end of the transverse plate 52; the perpendicularity of the positioning plate 53 and the transverse plate 52 is 0.005 mm; the distance from the center line of the measuring groove 51 to the left end face of the positioning plate 53 is X.

The excircle of the guide column 31 is in clearance fit with the inner hole of the positioning sleeve 1, and the fit clearance is 0.005 mm; the spring 2 is arranged in an inner hole of the positioning sleeve 1 and is arranged at the lower end of the guide column 31; the jackscrew 4 is fixed on the locating sleeve 1, and the top end of the jackscrew is matched with the sliding groove 32.

In the working process, the measured column 34 is inserted into the measured hole from the lower direction of the hole upwards, the positioning sleeve 1 moves upwards, the top end of the positioning sleeve is completely attached to the lower end face of the measured hole, the hole opening below the measured hole is completely contacted with the conical surface of the positioning cone 33 at the moment, and the axis of the measured column 34 is coaxial with that of the measured hole; the left side of the positioning plate 53 is completely attached to the measured end face, the position of the measuring groove 51 is moved, whether the measured column 34 can be placed in the measuring groove 51 is observed, if the measured column 34 can enter the measuring groove 51, the measured component is qualified, otherwise, the measured component is unqualified.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a measure utensil of examining of terminal surface to hole center distance which characterized in that, includes measuring post (3), measuring post (3) includes by last to down in proper order: the device comprises a measured column (34), a positioning cone (33) and a guide column (31), wherein the diameter D of the measured column (34) is smaller than the diameter of a measured hole, the diameter of the guide column (31) is larger than the diameter of the measured hole, and the upper surface and the lower surface of the positioning cone (33) are smoothly connected with the measured column (34) and the guide column (31);

the measuring device is characterized by further comprising a measuring plate (4), wherein the measuring plate (4) comprises a transverse plate (52) and a positioning plate (53) which are perpendicular to each other, a measuring groove (51) is formed in the transverse plate (52), the diameter of the measuring groove (51) is D +2Y, Y is more than 0, and the distance from the center line of the measuring groove to the left end face of the positioning plate (53) is X; and the distance from the end face of the tested part to the center of the hole is not less than X-Y, and the distance is not more than X + Y, and the detection is qualified.

2. The gauge for measuring the distance from the end face to the center of the hole is characterized in that the guide column (31) is arranged in the positioning sleeve (1) in a clearance mode, and an elastic component is arranged between the bottom of the guide column (31) and the positioning sleeve (1).

3. The gauge for measuring the distance from the end face to the center of the hole according to claim 2, wherein a sliding groove (32) is formed in the guide column (31), and a top thread (4) matched with the sliding groove (32) is arranged on the positioning sleeve (1) corresponding to the sliding groove (32).

4. A gauge for measuring end-to-bore center distance according to claim 3, wherein the resilient member comprises a spring (2).

5. The gauge for measuring the distance from the end face to the center of the hole is characterized in that the perpendicularity of the positioning plate (53) and the transverse plate (52) is 0.005 mm.

6. The gauge for measuring the distance from the end face to the center of the hole as claimed in claim 5, wherein the fit clearance of the guide post (31) and the locating sleeve (1) is 0.005 mm.