CN219977249U - Screw tooth inspection go-no-go gauge - Google Patents
Screw tooth inspection go-no-go gauge Download PDFInfo
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- CN219977249U CN219977249U CN202321244655.4U CN202321244655U CN219977249U CN 219977249 U CN219977249 U CN 219977249U CN 202321244655 U CN202321244655 U CN 202321244655U CN 219977249 U CN219977249 U CN 219977249U
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- 238000007689 inspection Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 116
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a thread inspection go-no-go gauge, which comprises a go-no-go gauge base; the first detection end is arranged on the go-no-go gauge base; the second detection end is arranged on the go-no-go gauge base, the second detection end and the first detection end are symmetrically arranged, a U-shaped groove is arranged between the first detection end and the second detection end, and a product to be inspected is arranged in the U-shaped groove; the end face of the first detection end, which is opposite to the second detection end, is provided with a first detection thread; the end face of the second detection end, which is opposite to the first detection end, is provided with a second detection thread, and the first detection thread and the second detection thread are matched with threads on a product to be inspected. Compared with the traditional thread go-no-go gauge, the thread go-no-go gauge provided by the utility model is controlled by utilizing the inclination angle, and has the advantages of simpler structure, fewer detection tools, lower cost, simpler detection and capability of greatly improving the detection efficiency of products.
Description
Technical Field
The utility model relates to the technical field of part inspection tools, in particular to a thread inspection go-no-go gauge.
Background
The ring gauge is also called a correction ring gauge, is a ring with specific size and attribute for correcting the defects of a measuring tool, is a limit gauge for a shaft, is mainly used for measuring the shaft or other appearance sizes with the tolerance grade of 1T 6-1T 16, cannot check parts and crankshafts and the like machined on a positive center, has limited application range, is a measuring tool, and is a measuring tool, if a measuring tool (such as a vernier caliper, a dial gauge and the like) is used for measuring mass products one by one in actual production, the measuring tool (such as a measuring tool with scales) is used for measuring mass products, the qualified products are known to have a measuring range, and are qualified in the range, so people can use the full-circle gauge and the full-circle gauge to measure the screw thread, and the full-circle gauge in the prior art are paired, namely the full-circle gauge and the full-circle gauge are used for checking the screw thread sizes respectively.
When the go-no-go ring gauge is used for inspection, two times of introduction and two times of unscrewing are needed, so that labor time is increased, and the go-no-go ring gauge are used for inspection of a large number of products, so that the detection operation speed of the structure is slower, two detection tools are inconvenient to detect, and the efficiency is lower.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is that two inspection tools are needed for inspecting the traditional thread go-no-go gauge, namely the go-no-go gauge and the no-go gauge, and the product is required to be screwed into the two inspection tools in sequence for inspection when the product is inspected, so that the problem of low efficiency is solved when the product is inspected in a large batch.
In order to solve the technical problems, the utility model provides a thread inspection go-no-go gauge which comprises a go-no-go gauge base; the first detection end is arranged on the go-no-go gauge base; the second detection end is arranged on the go-no-go gauge base, the second detection end and the first detection end are symmetrically arranged, a U-shaped groove is arranged between the first detection end and the second detection end, and a product to be inspected is arranged in the U-shaped groove; the end face of the first detection end, which is opposite to the second detection end, is provided with a first detection thread; the end face of the second detection end, which is opposite to the first detection end, is provided with a second detection thread, and the first detection thread and the second detection thread are matched with threads on a product to be inspected. Compared with the traditional thread go-no-go gauge, the thread go-no-go gauge provided by the utility model is controlled by utilizing the inclination angle, and has the advantages of simpler structure, fewer detection tools, lower cost, simpler detection and capability of greatly improving the detection efficiency of products.
In one embodiment of the utility model, the gap between the first detection thread and the second detection thread is divided into a through end, a qualified end and a stop end according to the direction from the upper end opening to the lower bottom surface of the U-shaped groove, and the distance between the through end, the qualified end and the stop end is gradually reduced.
In one embodiment of the utility model, the go-no-go gauge base is provided with a plurality of fixing components, and the first detection end and the second detection end are connected with the go-no-go gauge base through the fixing components.
In one embodiment of the utility model, the fixing assembly comprises a bolt, a supporting sleeve, a pressing plate and a locking nut, wherein the head of the bolt is arranged in the go-no-go gauge base, the supporting sleeve and the pressing plate are sleeved on a stud part of the bolt extending out of the go-no-go gauge base, the pressing plate is positioned above the supporting sleeve, the locking nut is in threaded connection with the bolt, the locking nut is positioned above the pressing plate, and the pressing plate is pressed on the first detection end and the second detection end.
In one embodiment of the utility model, the go-no-go gauge base is provided with a chute, the head of the bolt is arranged in the chute, and the head of the bolt is in sliding connection with the chute.
In one embodiment of the utility model, the cross section of the chute is inverted T-shaped.
In one embodiment of the utility model, the lower ends of the first detection end and the second detection end are connected with a horizontal support plate, the first detection end and the second detection end are arranged perpendicular to the horizontal support plate, and the pressing plate is pressed on the horizontal support plate.
In one embodiment of the utility model, the pressing plate is provided with a waist-shaped hole, and the bolt extends out of the stud part of the go-no-go gauge base to penetrate through the waist-shaped hole.
In one embodiment of the utility model, a vertical mounting plate is mounted on the horizontal support plate, the vertical mounting plate and the horizontal support plate are vertically arranged, and the first detection end and the second detection end are mounted on the vertical mounting plate.
In one embodiment of the utility model, the width of the through end is the maximum value of the acceptable thread tolerance range and the width of the stop end is the minimum value of the acceptable thread tolerance range.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the screw thread checking go-no-go gauge disclosed by the utility model has the advantages that the positive and negative tolerance is required according to the screw thread, the uniform lengths of the upper, middle and lower sections of the go-no-go gauge, the qualified end and the no-go end are defined according to the screw thread size specification, and the inclination angle of the screw thread go-no-go gauge is calculated, so that the screw thread go-no-go gauge is manufactured, and the screw thread go-no-go gauge is simple in structure, low in cost, convenient to manufacture and high in checking efficiency.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of a screw inspection go-no-go gauge embodiment of the present utility model as applied to a structure;
FIG. 2 is a front view of a first embodiment of a thread inspection go-no-go gauge of the present utility model;
FIG. 3 is a top view of a first embodiment of a thread inspection go-no-go gauge of the present utility model;
FIG. 4 is a schematic view of a first embodiment of a screw inspection go-no-go gauge according to the present utility model;
FIG. 5 is a front view of a second embodiment of a thread inspection go-no-go gauge of the present utility model;
FIG. 6 is a top view of a second embodiment of a screw inspection go-no-go gauge of the present utility model;
fig. 7 is a left side view of a second embodiment of the screw inspection go-no-go gauge of the present utility model.
Description of the specification reference numerals: go-no-go gauge base 1, spout 11, first detection end 2, first detection screw thread 21, horizontal support plate 22, vertical mounting plate 23, second detection end 3, second detection screw thread 31, U-shaped recess 4, go-no-go end 5, pass-go end 6, stop end 7, fixed subassembly 8, bolt 81, support sleeve 82, clamp plate 83, waist-shaped hole 831, lock nut 84.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 to 4, the screw tooth inspection go-no-go gauge of the utility model comprises a go-no-go gauge base 1, a first detection end 2 and a second detection end 3; the first detection end 2 is arranged on the go-no-go gauge base 1; the second detection end 3 is arranged on the go-no-go gauge base 1, the second detection end 3 and the first detection end 2 are symmetrically arranged, a U-shaped groove 4 is arranged between the first detection end 2 and the second detection end 3, and a product to be inspected is arranged in the U-shaped groove 4; the end face of the first detection end 2 opposite to the second detection end 3 is provided with a first detection thread 21; the end face of the second detection end 3 opposite to the first detection end 2 is provided with a second detection thread 31, and the first detection thread 21 and the second detection thread 31 are matched with threads on a product to be inspected.
In the above structure, the gap between the first detecting screw thread 21 and the second detecting screw thread 31 is divided into a through end 5, a qualified end 6 and a stop end 7 according to the direction from the upper end opening to the lower bottom surface of the U-shaped groove 4, and the intervals among the through end 5, the qualified end 6 and the stop end 7 are gradually reduced. The width of the through end 5 is the maximum value of the acceptable thread tolerance range, and the width of the stop end 7 is the minimum value of the acceptable thread tolerance range.
The thread through non-return gauge is composed of two oppositely arranged first detection ends 2 and second detection ends 3, the distance between the first detection ends 2 and the second detection ends 3 is adjustable, and angle bilateral symmetry threads are machined on opposite faces of the first detection ends 2 and the second detection ends 3, so that a certain clearance is reserved at the fixed height of a through end 5, a small clearance is reserved at a qualified end 6, a certain interference is reserved at a stop end 7, when the thread size is larger, the through end 5 cannot be put in, the size can slide to the position of the qualified end 6 within a tolerance range, and the size is smaller and can slide to the position of the stop end 7. The product to be detected cannot be smoothly placed into the through end 5 to be a product with a larger size; the finished product can be smoothly put into the through end 5 and finally slide to the stop end 7 to be a good product within tolerance; smoothly slides to the stop end 7, and is a product with smaller size.
Example two
Based on the structure of the first embodiment, referring to fig. 5-7, the go-no-go gauge base 1 is provided with a plurality of fixing assemblies 8, and the first detection end 2 and the second detection end 3 are connected with the go-no-go gauge base 1 through the fixing assemblies 8.
In the above structure, the fixing component 8 comprises a bolt 81, a supporting sleeve 82, a pressing plate 83 and a locking nut 84, the head of the bolt 81 is arranged in the go-no-go gauge base 1, the supporting sleeve 82 and the pressing plate 83 are sleeved on the stud part of the bolt 81 extending out of the go-no-go gauge base 1, the pressing plate 83 is located above the supporting sleeve 82, the locking nut 84 is in threaded connection with the bolt 81, the locking nut 84 is located above the pressing plate 83, and the pressing plate 83 is pressed on the first detection end 2 and the second detection end 3.
In addition, the go-no-go gauge base 1 is provided with a chute 11, the head of the bolt 81 is arranged in the chute 11, and the head of the bolt 81 is in sliding connection with the chute 11. The section of the chute 11 is inverted T-shaped. The chute 11 is arranged along the direction of the connecting line between the first detection end 2 and the second detection end 3.
Again, the pressing plate 83 is provided with a waist-shaped hole 831, and the bolt 81 extends out of the stud portion of the go-no-go gauge base 1 to penetrate through the waist-shaped hole 831.
In addition, the lower end parts of the first detection end 2 and the second detection end 3 are respectively connected with a horizontal support plate 22, the first detection end 2 and the second detection end 3 are vertically arranged with the horizontal support plate 22, and the pressing plate 83 is pressed on the horizontal support plate 22. The vertical mounting plate 23 is mounted on the horizontal support plate 22, the vertical mounting plate 23 and the horizontal support plate 22 are vertically arranged, and the first detection end 2 and the second detection end 3 are mounted on the vertical mounting plate 23.
When the device is used, the first detection end 2 can be fixed on the go-no-go gauge base 1, the second detection end 3 is adjusted to a proper position, the fixing principle of the fixing component 8 is that the head of the bolt 81 is moved to a position opposite to the horizontal support plate 22, the support sleeve 82 and the pressing plate 83 are sequentially sleeved on the end part of the bolt 81 extending out of the sliding groove 11, the position of the pressing plate 83 is adjusted, one end of the pressing plate 83 far away from the bolt 81 is pressed on the horizontal support plate 22, and finally the locking nut 84 is locked, so that the horizontal support plate 22 is pressed on the go-no-go gauge base 1, and the fixing of the first detection end 2 and the second detection end 3 is realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A thread inspection go-no-go gauge which is characterized in that: comprising the steps of (a) a step of,
a go-no-go gauge base;
the first detection end is arranged on the go-no-go gauge base;
the second detection end is arranged on the go-no-go gauge base, the second detection end and the first detection end are symmetrically arranged, a U-shaped groove is arranged between the first detection end and the second detection end, and a product to be inspected is arranged in the U-shaped groove;
the end face of the first detection end, which is opposite to the second detection end, is provided with a first detection thread;
the end face of the second detection end, which is opposite to the first detection end, is provided with a second detection thread, and the first detection thread and the second detection thread are matched with threads on a product to be inspected.
2. The thread inspection go-no gauge according to claim 1, wherein: the gap between the first detection thread and the second detection thread is divided into a through end, a qualified end and a stop end according to the direction from the upper end opening to the lower bottom surface of the U-shaped groove, and the distance between the through end, the qualified end and the stop end is gradually reduced.
3. The thread inspection go-no gauge according to claim 2, characterized in that: be equipped with a plurality of fixed subassemblies on the no-go gage base, first detection end and second detection end pass through fixed subassembly and no-go gage base connection.
4. A thread inspection go-no gauge according to claim 3, characterized in that: the fixing assembly comprises a bolt, a supporting sleeve, a pressing plate and a locking nut, wherein the head of the bolt is arranged in the go-no-go gauge base, the supporting sleeve and the pressing plate are sleeved on a stud part of the bolt extending out of the go-no-go gauge base, the pressing plate is located above the supporting sleeve, the locking nut is in threaded connection with the bolt, the locking nut is located above the pressing plate, and the pressing plate is pressed on the first detection end and the second detection end.
5. The thread inspection go-no gauge of claim 4, wherein: the go-no-go gauge is characterized in that a chute is arranged on the go-no-go gauge base, the head of the bolt is arranged in the chute, and the head of the bolt is in sliding connection with the chute.
6. The thread inspection go-no-go gauge of claim 5, wherein: the section of the chute is in an inverted T shape.
7. The thread inspection go-no gauge of claim 4, wherein: the lower tip of first detection end and second detection end all is connected with the horizontal support board, first detection end and second detection end set up with the horizontal support board is perpendicular, the clamp plate compresses tightly in the horizontal support board.
8. The thread inspection go-no gauge of claim 4, wherein: the pressing plate is provided with a waist-shaped hole, and the bolt extends out of the stud part of the base of the go-no-go gauge to penetrate through the waist-shaped hole.
9. The thread inspection go-no gauge of claim 7, wherein: install vertical mounting panel in the horizontal support board, vertical mounting panel and horizontal support board set up perpendicularly, first detection end and second detection end are installed on vertical mounting panel.
10. The thread inspection go-no gauge according to claim 1, wherein: the width of the through end is the maximum value of the acceptable thread tolerance range, and the width of the stop end is the minimum value of the acceptable thread tolerance range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244655.4U CN219977249U (en) | 2023-05-22 | 2023-05-22 | Screw tooth inspection go-no-go gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244655.4U CN219977249U (en) | 2023-05-22 | 2023-05-22 | Screw tooth inspection go-no-go gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977249U true CN219977249U (en) | 2023-11-07 |
Family
ID=88583995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321244655.4U Active CN219977249U (en) | 2023-05-22 | 2023-05-22 | Screw tooth inspection go-no-go gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977249U (en) |
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2023
- 2023-05-22 CN CN202321244655.4U patent/CN219977249U/en active Active
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