CN214502281U

CN214502281U - Automobile dust cover shape and position checking fixture

Info

Publication number: CN214502281U
Application number: CN202120688345.6U
Authority: CN
Inventors: 胡灵敏; 王胜明
Original assignee: Wuhan Sanxian Automobile Parts Co ltd
Current assignee: Wuhan Sanxian Automobile Parts Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-10-26
Anticipated expiration: 2031-04-02

Abstract

The utility model provides an utensil is examined to car dust cover morpheme, this morpheme examine utensil including examining a body and a plurality of columniform round hole detection post, examine a body for in the rectangular block, examine and be equipped with the profile boss on the body, all round holes detect the equal fixed connection of post on examining a body, and center on the profile boss sets up, it still is equipped with the dimensional tolerance line on the body to examine, the beneficial effects of the utility model are that: whether round hole detection post on this kind of geometric locus examines utensil can the automobile dust cover leak the trompil, if leak the trompil, the automobile dust cover can't place and detect on examining the utensil, and the inspection personnel can clearly and definitely discover, and the size tolerance line has been carved with on this geometric locus examines utensil's the utensil body simultaneously, can carry out geometric locus to the edge profile of automobile dust cover and detect to whether the quick judgement automobile dust cover is qualified.

Description

Automobile dust cover shape and position checking fixture

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to an utensil is examined to car dust cover shape and position.

Background

The types of parts on the automobile are very many, and some small parts seem to be simple in structure, but have high requirements on the assembly of the automobile. For example, an automotive dust cover of smaller size (x 130mm wide and x 120mm wide) but with four mounting holes requires that the holes not be left open or assembled and that the hole size and hole location not be out of tolerance or interfere with assembly. But also profile and profile requirements, which will not be compatible with assembly. The manual inspection of the small pieces is to easily miss the inspection of the holes, and to accurately inspect the hole size, the hole position, the product outline and the product profile, so that the product cannot be accurately judged and qualified.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a shape and position checking fixture for automobile dust covers, which can quickly check the position, size, contour and profile of the mounting holes of the automobile dust covers and determine whether the mounting holes are qualified or not, the shape and position checking fixture comprises a checking fixture body and a plurality of cylindrical round hole checking columns, wherein the checking fixture body is a rectangular block body, a profile boss is arranged on the checking fixture body, the shape of the profile boss is the same as that of the profile groove in the middle of the automobile dust cover, all round hole detection columns are fixedly connected to the detection tool body and arranged around the profile boss, the gauge body is also provided with a dimensional tolerance line, the profile boss is used for detecting the shape and the size of the profile groove on the automobile dust cover, the round hole detects the post and is used for detecting whether the mounting hole on the car dust cover leaks out, dimensional tolerance line is used for detecting car dust cover edge profile.

Further, a plurality of support columns are arranged at the lower end of the checking fixture body and used for supporting the checking fixture body.

Furthermore, a handle is arranged at each of two ends of the checking fixture body and used for enabling a worker to conveniently move the shape and position checking fixture.

Each handle is provided with two fixing holes, each fixing hole is internally provided with a fixing screw, and the two handles are fixed on the checking fixture body through the fixing screws.

Furthermore, the dimension tolerance line comprises three contour lines, wherein the three contour lines are an upper tolerance line, a standard dimension line and a lower tolerance line from outside to inside respectively.

Furthermore, the number of the round hole detection columns is four, and the diameter of one of the four round hole detection columns is larger than the diameters of the rest three round hole detection columns.

The utility model discloses an utensil is examined to car dust cover shape and position's beneficial effect does: whether round hole detection post on this kind of geometric locus examines utensil can the automobile dust cover leak the trompil, if leak the trompil, the automobile dust cover can't place and detect on examining the utensil, and the inspection personnel can clearly and definitely discover, and the size tolerance line has been carved with on this geometric locus examines utensil's the utensil body simultaneously, can carry out geometric locus to the edge profile of automobile dust cover and detect to whether the quick judgement automobile dust cover is qualified.

Drawings

Fig. 1 is the utility model discloses an overall structure chart of utensil is examined to car dust cover shape and position.

Fig. 2 is the embodiment of the utility model provides a schematic diagram of utensil during operation is examined to car dust cover shape and position.

In the figure: 1-a gauge body, 2-support columns, 3-handles, 31-fixing holes, 4-round hole detection columns, 5-a profile boss, 6-an automobile dust cover, 7-a dimensional tolerance line and 8-a size block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1, an automobile dust cover shape and position checking fixture is used for detecting the shape and position of an automobile dust cover 6, a profile groove is formed in the middle of the automobile dust cover 6 detected by the shape and position checking fixture 1, four mounting holes are formed in the edge of the automobile dust cover 6, and in order to ensure that the automobile dust cover 6 can be normally assembled, the shape of the profile groove of the automobile dust cover 6, whether the mounting holes are formed, the positions of the mounting holes and the edge contour of the automobile dust cover 6 need to be detected.

The shape and position checking fixture comprises a checking fixture body 1 and a plurality of cylindrical round hole detection columns 4, wherein the checking fixture body 1 is a rectangular block, a plurality of support columns 2 are arranged at the lower end of the checking fixture body 1, the support columns 2 are used for supporting the checking fixture body 1, a handle 3 is respectively arranged at two ends of the checking fixture body 1, and the two handles 3 are used for enabling a worker to conveniently move the shape and position checking fixture.

The upper surface of the checking fixture body 1 is provided with a circular molded surface boss 5, the upper surface of the molded surface boss 5 is a plane, the shape of the molded surface boss 5 is the same as that of a molded surface groove in the middle of an automobile dust cover 6, all round hole detection columns 4 are cylindrical and are fixedly connected to the checking fixture body 1, all round hole detection columns 4 are arranged around the molded surface boss 5, in the embodiment, the number of the round hole detection columns 4 is four, a dimension tolerance line 7 (not shown in figure 1) is carved on the checking fixture body 1, the molded surface boss 5 is used for positioning and detecting the shape and the dimension of the molded surface groove of the automobile dust cover 6, the round hole detection columns 4 are used for detecting whether mounting holes on the automobile dust cover 6 are leaked or not and whether the positions of the mounting holes meet the composite requirements or not, and the dimension tolerance line 7 is used for detecting whether the edge profile of the automobile dust cover is qualified or not.

Further, be equipped with two fixed orificess 31 on each handle 3, be equipped with a set screw in each fixed orificess 31, examine 1 both ends of a body and all be equipped with the screw hole, set screw passes through threaded connection's mode and locks handle 3 in examining 1 tip of a body.

Further, the dimension tolerance line 7 comprises three contour lines, the three contour lines are all closed lines, the three contour lines are an upper tolerance line, a standard dimension line and a lower tolerance line from outside to inside, and after the automobile dust cover 6 to be detected is fixed on the checking fixture body 1, the edge of the automobile dust cover 6 falls into the range of the upper tolerance line and the lower tolerance line, so that the edge contour of the automobile dust cover 6 is qualified.

Further, four among the round hole detection post 4, one of them round hole detection post 4 diameter is greater than all the other three round hole detection post 4 diameters, can appear after the position tolerance as four mounting holes like this, and four round hole detection posts 4 still can insert in four mounting holes simultaneously to this form and position is examined utensil and can be whether the automobile dust cover 6 leaks out and the mounting hole position tolerance size detects the mounting hole.

Referring to fig. 2, the detection process of the checking fixture body 1 to the dust cover 6 of the vehicle of the present invention is: aligning a profile groove of an automobile dust cover 6 with a profile boss 5 of the gauge body 1, and aligning four mounting holes of the automobile dust cover 6 with four round hole detection columns 4; if the profile groove of the automobile dust cover 6 can be sleeved on the profile boss 5, the shape and the position of the profile groove meet the requirements; if the four round hole detection columns 4 can be simultaneously inserted into the four mounting holes, the problem that the automobile dust cover 6 is not missed to open holes is solved; if the edge of the automobile dust cover 6 falls within the range of the upper tolerance line and the lower tolerance line, the edge of the automobile dust cover 6 is qualified in contour. Under the condition that the automobile dust cover 6 does not leak the trompil, can also detect the mounting hole of automobile dust cover 6 and the tolerance size of edge profile through detecting piece 8 to in 6 course of working of automobile dust cover improve, reduce the form and position error of 6 processing of automobile dust cover.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an utensil is examined to car dust cover shape and position for carry out shape and position to car dust cover (6) and detect its characterized in that: the middle part of the automobile dust cover (6) is provided with a profile groove, the edge is provided with a plurality of mounting holes, the shape and position detecting tool comprises a detecting tool body (1) and a plurality of cylindrical round hole detecting columns (4), wherein the detecting tool body (1) is a rectangular block body, a profile boss (5) is arranged on the detecting tool body (1), the shape of the profile boss (5) is the same as that of the profile groove in the middle of the automobile dust cover, all round hole detection columns (4) are fixedly connected to the detection tool body (1) and arranged around the profile boss (5), the gauge body (1) is also provided with a dimensional tolerance line (7), the profile boss (5) is used for detecting the shape and the size of a profile groove on an automobile dust cover (6), the round hole detection column (4) is used for detecting whether the mounting hole on the automobile dust cover (6) leaks or not, the dimension tolerance line (7) is used for detecting the edge contour of the automobile dust cover (6).

2. The automobile dust cover shape and position checking fixture according to claim 1, characterized in that: the lower end of the checking fixture body (1) is provided with a plurality of supporting columns (2), and the supporting columns (2) are used for supporting the checking fixture body (1).

3. The automobile dust cover shape and position checking fixture according to claim 1, characterized in that: the shape and position checking fixture is characterized in that handles (3) are respectively arranged at two ends of the checking fixture body (1), and the handles (3) are used for enabling workers to conveniently move the shape and position checking fixture.

4. The automobile dust cover shape and position checking fixture according to claim 3, characterized in that: two fixing holes (31) are formed in each handle (3), a fixing screw is arranged in each fixing hole (31), and the two handles (3) are fixed on the inspection tool body (1) through the fixing screws.

5. The automobile dust cover shape and position checking fixture according to claim 4, characterized in that: the dimension tolerance line (7) comprises three contour lines which are an upper tolerance line, a standard dimension line and a lower tolerance line from outside to inside.

6. The automobile dust cover shape and position checking fixture according to claim 1, characterized in that: the number of the round hole detection columns (4) is four, and the diameter of one round hole detection column (4) in the four round hole detection columns (4) is larger than the diameters of the rest three round hole detection columns (4).