CN214702074U - CV outer ring stalk portion screw hole degree of depth measurement examines utensil - Google Patents
CV outer ring stalk portion screw hole degree of depth measurement examines utensil Download PDFInfo
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- CN214702074U CN214702074U CN202022850415.1U CN202022850415U CN214702074U CN 214702074 U CN214702074 U CN 214702074U CN 202022850415 U CN202022850415 U CN 202022850415U CN 214702074 U CN214702074 U CN 214702074U
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- outer ring
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- threaded hole
- measuring rod
- depth
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Abstract
The utility model discloses a CV outer ring handle threaded hole depth measuring gauge, the lower end part of a measuring rod is a cylinder with external threads, and the middle part of the measuring rod is a cylinder with a diameter smaller than that of the lower end part; the middle part and the lower end part are measuring parts and have the same central axis; the upper end part is an operation part; the go-no go gauge is a U-shaped inserting plate provided with two side plates and a transverse plate, and a slot with the width slightly larger than the diameter of the middle part of the measuring rod is formed between the two side plates of the U-shaped inserting plate; the height of the side plate is slightly larger than the minimum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part, and the height of the transverse plate at the part connected with the side plate is slightly smaller than or equal to the maximum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part. The utility model has simple structure, easy manufacture and low manufacture cost; the detection method has the advantages that the operation is simple during detection, whether the product is qualified or not is judged simply and quickly, the detection error is avoided, the labor is saved, the working efficiency is greatly improved, and the detection cost is greatly reduced.
Description
Technical Field
The utility model relates to a CV outer loop stalk portion screw hole degree of depth is measured and is examined utensil.
Background
There are parameter requirements for the CV outer ring shank threaded hole depth, for example, the CV outer ring shank threaded hole depth requirement of M16 is 46.5 ± 0.5mm, and it is necessary to measure whether the threaded hole depth is within the use requirement to determine whether the CV outer ring is qualified. One of the existing measuring methods is to measure through a thread plug gauge, firstly measure the whole length of the thread plug gauge by an outside micrometer, then screw the thread plug gauge into a threaded hole of a handle part until the thread plug gauge is not screwed, measure the exposed size of the thread plug gauge by a height gauge or a depth gauge, and subtract the exposed size by the whole length to obtain the depth of the threaded hole of the CV outer ring handle part. The other measuring method is to use a special threaded hole depth gauge for measurement, the threaded hole depth gauge has mechanical type and digital display, the mechanical type is not easy to read data, and the data is easy to be read by mistake under the conditions of hundred-degree inspection or high detection frequency, so that the product is not qualified, the judgment is wrong, the property loss is caused, a measuring instrument is needed for the CV outer ring of each specification, and the measuring cost is high; the ability direct display data of digital display is difficult to the mistake reading, but the CV outer loop of each specification needs a measuring instrument, and measurement cost is very high, in case the CV outer loop of new specification produces, just needs the screw hole depth gauge of this kind of specification of customization, and screw hole depth gauge structure is complicated, and the preparation cycle is long, influences the production of product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provide a novel structure which is simple in structure, easy to manufacture and low in manufacturing cost; during the detection, the operation is simple, the scales do not need to be read and the calculation is not needed, whether the product is qualified or not is judged simply and quickly, the detection error is avoided, the labor is saved, the working efficiency is greatly improved, and the detection cost of the CV outer ring handle threaded hole depth measurement gauge is greatly reduced.
In order to achieve the above object, the technical solution of the present invention is: a CV outer ring handle threaded hole depth measuring gauge comprises a measuring rod and a go-no go gauge; the measuring rod is divided into an upper end part, a middle part and a lower end part; the lower end part is a cylinder with external threads matched with the internal threads of the threaded hole of the CV outer ring handle part, and the middle part is a cylinder with the diameter smaller than that of the lower end part; the middle part and the lower end part are measuring parts and have the same central axis, and the length sum of the two parts is larger than the depth of a threaded hole of the CV outer ring handle part; the upper end part is an operation part which is rotated by hand or connected with a motor driving the operation part to rotate; the go-no go gauge is a U-shaped inserting plate which is provided with two side plates with the same height and a transverse plate higher than the two side plates, a slot is formed between the two side plates of the U-shaped inserting plate, the width of the slot is slightly larger than the diameter of the middle part of the measuring rod, and the middle part of the measuring rod can be inserted into the slot; the height of the side plate is slightly larger than the minimum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part, and the height of the transverse plate at the part connected with the side plate is slightly smaller than or equal to the maximum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part.
Further preferably, the height of the side plate is 0.03-0.05 mm greater than the minimum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the outer ring shank of the measured CV.
Further preferably, the height of the horizontal plate at the part connected with the side plate is 0-0.02 mm smaller than the maximum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the outer ring shank part of the measured CV.
Further preferably, a chamfer is provided at a lower end face outer edge of the upper end portion of the measuring rod.
When the device is used, the upper end part of the measuring rod is manually or electrically controlled to rotate to drive the middle part and the lower end part of the measuring rod to stretch into the threaded hole of the handle part of the outer ring of the CV to be measured until the measuring rod stops after the measuring rod does not rotate, and at this time, the measuring rod stretches into the bottommost end of the threaded hole of the handle part of the outer ring of the CV; and then inserting a go-no go gauge of the U-shaped inserting plate into the upper end part of the middle part of the measuring rod between the end surface of the handle part of the CV outer ring and the upper end part of the measuring rod until the go-no go gauge cannot be inserted, and if only two side plates of the go-no go gauge can be inserted and the transverse plate is prevented from being inserted, the CV outer ring is a qualified product. The utility model has simple structure, easy manufacture and low manufacture cost; during detection, the operation is simple, scales do not need to be read, calculation is not needed, whether the product is qualified or not is judged simply and quickly, detection errors are avoided, labor is saved, the working efficiency is greatly improved, and the detection cost is greatly reduced.
Drawings
Fig. 1 is a front view of a measuring rod of the present invention;
FIG. 2 is a front view of the middle stop gauge of the present invention;
FIG. 3 is a top view of the middle stop gauge of the present invention;
fig. 4 is a front view of the measuring rod of the present invention inserted into the threaded hole of the handle of the CV outer ring to be measured.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1, 2, 3 and 4, the present embodiment includes a measuring rod 1 and a go-no-go gauge 2. The measuring stick 1 is divided into an upper end 11, a middle 12 and a lower end 13. Lower tip 13 is the cylinder that has the external screw thread that matches with 4 internal threads of CV outer ring 3 stalk portion screw hole, and middle part 12 is the cylinder that the diameter is less than lower tip 13, and middle part 12 and lower tip 13 are measuring part, same center pin, and the length of the two closes and is greater than CV outer ring stalk portion screw hole degree of depth. The upper end portion 11 is an operation portion which is rotated in a handheld manner or is connected with a motor driving the rotation of the operation portion. The go-no go gauge 2 is a U-shaped inserting plate 24 which is provided with two side plates 21 with the same height and a transverse plate 23 higher than the two side plates, a slot 25 is formed between the two side plates 21 of the U-shaped inserting plate 24, and the width of the slot 25 is slightly larger than the diameter of the middle part 11 of the measuring rod, so that the middle part 11 of the measuring rod can be inserted. The height of the side plate 21 is slightly larger than the minimum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part, and the height of the transverse plate 23 at the part connected with the side plate 21 is slightly smaller than or equal to the maximum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part. Preferably, the height of the side plate is 0.03-0.05 mm greater than the minimum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the outer ring shank of the measured CV. Preferably, the height of the horizontal plate 23 at the connecting part with the side plate 21 is 0-0.02 mm smaller than the maximum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the outer ring shank part of the measured CV. Preferably, a chamfer is provided at the lower end face outer edge of the upper end portion 11 of the measuring rod 1. 22 is a process groove left when the upper end surface of the side plate 21 is manufactured.
For example: m16's 3 stalk portion threaded hole depths of CV outer ring require 46.5 +/-0.5 mm, then the utility model discloses a measuring stick 1 measurement portion length is 55 +/-0.01 mm, leads to the height of no-go gage 2's sideboard to be 8.07 +/-0.01 mm, and the diaphragm is 8.96 +/-0.01 mm in the height that meets the position with the sideboard, and the degree of depth of sideboard up end technology groove 22 is 0.5 mm.
The above-described embodiments are merely preferred and exemplary and are not intended to limit the present invention, and any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a CV outer ring stalk portion screw hole depth measurement examines utensil which characterized in that: comprises a measuring rod and a go-no go gauge; the measuring rod is divided into an upper end part, a middle part and a lower end part; the lower end part is a cylinder with external threads matched with the internal threads of the threaded hole of the CV outer ring handle part, and the middle part is a cylinder with the diameter smaller than that of the lower end part; the middle part and the lower end part are measuring parts and have the same central axis, and the length sum of the two parts is larger than the depth of a threaded hole of the CV outer ring handle part; the upper end part is an operation part which is rotated by hand or connected with a motor driving the operation part to rotate; the go-no go gauge is a U-shaped inserting plate which is provided with two side plates with the same height and a transverse plate higher than the two side plates, a slot is formed between the two side plates of the U-shaped inserting plate, the width of the slot is slightly larger than the diameter of the middle part of the measuring rod, and the middle part of the measuring rod can be inserted into the slot; the height of the side plate is slightly larger than the minimum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part, and the height of the transverse plate at the part connected with the side plate is slightly smaller than or equal to the maximum range between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring handle part.
2. The CV outer ring shank threaded hole depth measurement gauge of claim 1, wherein: the height of the side plate is 0.03-0.05 mm greater than the minimum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the measured CV outer ring shank.
3. The CV outer ring shank threaded hole depth measurement gauge of claim 1 or 2, wherein: the height of the transverse plate at the connecting part of the transverse plate and the side plate is 0-0.02 mm smaller than the maximum difference between the length of the measuring part of the measuring rod and the depth of the threaded hole of the outer ring handle part of the measured CV.
4. The CV outer ring shank threaded hole depth measurement gauge of claim 3, wherein: and a chamfer is arranged at the outer edge of the lower end face of the upper end part of the measuring rod.
5. The CV outer ring shank threaded hole depth measurement gauge of claim 1 or 2, wherein: and a chamfer is arranged at the outer edge of the lower end face of the upper end part of the measuring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850415.1U CN214702074U (en) | 2020-12-02 | 2020-12-02 | CV outer ring stalk portion screw hole degree of depth measurement examines utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850415.1U CN214702074U (en) | 2020-12-02 | 2020-12-02 | CV outer ring stalk portion screw hole degree of depth measurement examines utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702074U true CN214702074U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022850415.1U Active CN214702074U (en) | 2020-12-02 | 2020-12-02 | CV outer ring stalk portion screw hole degree of depth measurement examines utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702074U (en) |
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2020
- 2020-12-02 CN CN202022850415.1U patent/CN214702074U/en active Active
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