CN221099599U

CN221099599U - Gauge for inner spiral spline span rod distance

Info

Publication number: CN221099599U
Application number: CN202322172066.6U
Authority: CN
Inventors: 李银森; 倪增良; 胡新华; 姚国平
Original assignee: Zhejiang Kangling Auto Parts Co ltd
Current assignee: Zhejiang Kangling Auto Parts Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-06-07
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to a mechanical measuring device, in particular to an internal spiral spline span bar distance gauge which comprises a gauge base, a dial indicator, a locking buckle, a movable sliding block, a gauge main body, a movable polished rod, a movable measuring needle, a fixed sliding block, a left fixed block, a top measuring rod and a right fixed block; the movable measuring needle is fixed in the semicircular hole I; the fixed measuring needle is fixed on the fixed sliding block; the jacking rod is fixed on the movable sliding block; the movable polish rod is connected with the movable slide block; the movable slide block and the fixed slide block pass through the groove I; the gauge main body is fixed on the gauge base by adopting a screw; the dial indicator is arranged on the gauge main body through the locking buckle; the left fixed block and the right fixed block are bilaterally symmetrical in structure; the left fixing block and the right fixing block are pressed on the gauge main body and fixed through screws.

Description

Gauge for inner spiral spline span rod distance

Technical Field

The utility model relates to a mechanical measuring device, in particular to a gauge for a span rod distance of an internal spiral spline.

Background

The spiral spline is generally formed by broaching by a broaching machine or cold extrusion, the broaching by a broaching machine or the cold extrusion of a spiral extrusion core rod is adopted, and the span length of the internal spiral spline is detected by a go-no-go gauge of the spiral spline so as to achieve the purpose of controlling the precision of the spiral spline. The control mode is complex to operate and cannot accurately obtain a specific value of the span rod distance of the internal spiral spline.

Disclosure of Invention

In order to solve the problems, the utility model provides a cross-bar distance gauge for an internal spiral spline.

The technical scheme adopted by the utility model is as follows:

The inner spiral spline span bar distance gauge comprises a gauge base, a dial indicator, a locking buckle, a movable sliding block, a gauge main body, a movable polish rod, a movable measuring needle, a fixed sliding block, a left fixed block, a top measuring rod and a right fixed block; the fixed measuring needle consists of a measuring head and a measuring rod, and the measuring head is arranged at one end of the measuring rod and is vertical to the measuring rod; the movable measuring pin and the fixed measuring pin have the same structure; the movable sliding block is provided with a semicircular hole I, a threaded hole I and a circular hole; the movable measuring needle is fixed in the semicircular hole I through the measuring rod; the fixed measuring needle is fixed on the fixed sliding block by adopting the same method; the jacking rod is fixed on the movable sliding block through the round hole; the movable polish rod consists of a cross rod and a longitudinal rod, and one end of the cross rod is provided with threads; the gauge main body is provided with a groove I, a groove II, a through hole and a threaded hole II; the longitudinal rod penetrates through the through hole, and the transverse rod penetrates through the groove II; the movable polish rod is connected with the movable slide block through threads; the movable slide block and the fixed slide block pass through the groove I; the gauge main body is fixed on the gauge base by adopting a screw; the dial indicator is arranged on the gauge main body through the locking buckle; the measuring head of the dial indicator is propped against the upper end of the jacking rod; the right fixed block is provided with a stepped groove at the inner side; the left fixed block and the right fixed block are bilaterally symmetrical in structure; the left fixed block and the right fixed block are pressed on the gauge main body, and the movable sliding block and the fixed sliding block are just clamped in the step groove and are fixed through screws.

The beneficial effects of the utility model are as follows: by adopting the internal spiral spline span rod distance gauge, the specific numerical value of the internal spiral spline span rod distance of the processed part can be measured, and the abrasion condition of a broach or a cold extrusion spiral extrusion core rod can be mastered in real time, so that the detection of the internal spiral spline is greatly facilitated.

Drawings

The following is further described in connection with the figures of the present utility model:

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a view showing the structure of the gauge base.

Fig. 3 is a block diagram of the locking buckle.

Fig. 4 is a main body structure diagram of the gauge.

Fig. 5 is a structural diagram of the ejector pins.

Fig. 6 is a block diagram of a moving slider.

Fig. 7 is a block diagram of a fixed slider.

Fig. 8 is a diagram of a fixed stylus configuration.

Fig. 9 is a view showing the structure of the movable polish rod.

Fig. 10 is a right fixed block structure diagram.

In the figure, 1, a gauge base, 2, a dial indicator, 3, a locking buckle, 4, a movable sliding block, 5, a gauge main body, 6, a movable polished rod, 7, a movable measuring needle, 8, a fixed measuring needle, 9, a fixed sliding block, 10, a left fixed block, 11, a top measuring rod, 12, a right fixed block, 13, a measured part, 41, a semicircular hole I,42, a threaded hole I,43, a circular hole, 51, a groove I,52, a groove II,53, a through hole, 54, a threaded hole II,61, a cross rod, 62, a longitudinal rod, 81, a measuring head, 82, a measuring rod and 121.

Detailed Description

The inner spiral spline span bar distance gauge comprises a gauge base 1, a dial indicator 2, a locking buckle 3, a movable sliding block 4, a gauge main body 5, a movable polished rod 6, a movable measuring needle 7, a fixed measuring needle 8, a fixed sliding block 9, a left fixed block 10, a top measuring rod 11 and a right fixed block 12; the fixed measuring needle 8 consists of a measuring head 81 and a measuring rod 82, and the measuring head 81 is arranged at one end of the measuring rod 82 and is vertical to the measuring rod 82; the movable measuring pin 7 and the fixed measuring pin 8 have the same structure; the movable sliding block 4 is provided with a semicircular hole I41, a threaded hole I42 and a circular hole 43; the movable stylus 7 is fixed in the semicircular hole I41 through the measuring rod 82; the fixed measuring needle 8 is fixed on the fixed sliding block 9 by adopting the same method; the jacking rod 11 is fixed on the movable slide block 4 through the round hole 43; the movable polish rod 6 consists of a cross rod 61 and a longitudinal rod 62, and one end of the cross rod 61 is provided with threads; the gauge main body 5 is provided with a groove I51, a groove II52, a through hole 53 and a threaded hole II54; the longitudinal rod 62 penetrates through the through hole 53, and the transverse rod 61 penetrates through the groove II 52; the movable polish rod 6 is connected with the movable slide block 4 through threads; the moving slide 4 and the fixed slide 9 pass through the slot I51; the gauge main body 5 is fixed on the gauge base 1 by adopting a screw; the dial indicator 2 is arranged on the gauge main body 5 through the locking buckle 3; the measuring head of the dial indicator 2 is propped against the upper end of the top measuring rod 11; the right fixed block 12 is provided with a stepped groove 121 on the inner side; the left fixing block 10 and the right fixing block 12 are bilaterally symmetrical in structure; the left fixing block 10 and the right fixing block 12 are pressed on the gauge main body 5, and the movable sliding block 4 and the fixed sliding block 9 are just clamped in the step groove 121 and are fixed by screws.

When the internal spiral spline span gauge is used, firstly, a calibration gauge is used for calibrating the dial indicator 2 by moving the movable polished rod 6; then the internal spiral spline tooth surface of the measured part 13 is contacted with the movable measuring pin 7 and the fixed measuring pin 8, and the movable polished rod 6 is moved to the limit position, and the tolerance of the measured part 13 is displayed in the dial indicator 2.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The inner spiral spline span rod distance gauge comprises a gauge base, a dial indicator, a locking buckle, a movable sliding block, a gauge main body, a movable polish rod, a movable measuring needle, a fixed sliding block, a left fixed block, a top measuring rod and a right fixed block; the fixed measuring needle consists of a measuring head and a measuring rod, and the measuring head is arranged at one end of the measuring rod and is vertical to the measuring rod; the movable measuring pin and the fixed measuring pin have the same structure; the movable sliding block is provided with a semicircular hole I, a threaded hole I and a circular hole; the movable measuring needle is fixed in the semicircular hole I through the measuring rod; the fixed measuring needle is fixed on the fixed sliding block by adopting the same method; the jacking rod is fixed on the movable sliding block through the round hole; the movable polish rod consists of a cross rod and a longitudinal rod, and one end of the cross rod is provided with threads; the gauge main body is provided with a groove I, a groove II, a through hole and a threaded hole II; the longitudinal rod penetrates through the through hole, and the transverse rod penetrates through the groove II; the movable polish rod is connected with the movable slide block through threads; the movable slide block and the fixed slide block pass through the groove I; the gauge main body is fixed on the gauge base by adopting a screw; the dial indicator is arranged on the gauge main body through the locking buckle; the measuring head of the dial indicator is propped against the upper end of the jacking rod; the right fixed block is provided with a stepped groove at the inner side; the left fixed block and the right fixed block are bilaterally symmetrical in structure; the left fixed block and the right fixed block are pressed on the gauge main body, and the movable sliding block and the fixed sliding block are just clamped in the step groove and are fixed through screws.