CN208688354U - A kind of guide type go-no go gauge - Google Patents
A kind of guide type go-no go gauge Download PDFInfo
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- CN208688354U CN208688354U CN201821419157.8U CN201821419157U CN208688354U CN 208688354 U CN208688354 U CN 208688354U CN 201821419157 U CN201821419157 U CN 201821419157U CN 208688354 U CN208688354 U CN 208688354U
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- guide part
- outer diameter
- gauge
- drift
- gage
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Abstract
The utility model discloses a kind of guide type go-no go gauges, including thin axis and it is located at drift, the no-go gage at thin axis both ends, it is characterised in that: the drift includes from thin axis one end sequentially coaxially the first guide part, drift portion, the first limiting section for being sequentially increased of setting and diameter inwardly；The no-go gage includes from the thin axis other end sequentially coaxially setting and diameter the second guide part, no-go gage portion, the second limiting section that are sequentially increased inwardly.Lesser first guide part of outer diameter, the second guide part is respectively set in go side and not-go-end in the utility model, enable go-no go gauge using when rapidly enter measured hole, by the first guide part, the second guide part elder generation centering, then by go side section, not-go-end section measures；Biggish first limiting section of outer diameter, the second limiting section is respectively set in go side and not-go-end, limitation go-no go gauge passes through part when measuring, and prevents that go-no go gauge is caused not allow to be drawn out easily across inside parts.
Description
Technical field
The utility model relates to machine components inspections, in particular to a kind of guide type go-no go gauge.
Background technique
Go-no go gauge is the cubing that both ends are arranged respectively to drift and no-go gage, the size of inspection hole, by aperture in the prior art
The upper limit of tolerance does not-go-end, does go side by the lower limit of aperture tolerance, when inspection, if not-go-end can pass through, illustrates aperture
It is big, it is unqualified, and cannot process again；If go side cannot pass through, illustrate that aperture is small and unqualified, but can pass through
Processing is allowed to qualified again.
The mesoporous of brake disc has aperture larger, the lesser feature of tolerance, and brake disc is relatively thin, and depth is at mesoporous
Several millimeters.When therefore being tested using common go-no go gauge centring hole, such as size φ 66 (+0.07 ,+0.02), depth
The mesoporous of 4mm, common go-no go gauge are difficult to be co-axially inserted in measured hole, though after being inserted into measured hole due to depth compared with
It is small, it is easy directly to be pierced by measured hole, causes reversely to extract more difficult.
Therefore, it is necessary to develop a kind of guide type go-no go gauge that can be smoothly inserted into measured hole and avoid being pierced by measured hole.
Summary of the invention
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technique, and providing a kind of can smoothly be inserted into measured hole
And avoid the guide type go-no go gauge for being pierced by measured hole.
The technical solution of the utility model are as follows: a kind of guide type go-no go gauge, including thin axis and it is located at thin axis both ends
Drift, no-go gage, it is characterised in that:
The drift includes from thin axis one end sequentially coaxially setting and diameter the first guide part, the drift that are sequentially increased inwardly
Portion, the first limiting section；
The no-go gage include from the thin axis other end inwardly sequentially coaxially setting and diameter be sequentially increased the second guide part, only
Rule portion, the second limiting section；
The drift portion is outer diameter cylindrical body corresponding with instrument connection internal diameter lower limit；
The no-go gage portion is outer diameter cylindrical body corresponding with the instrument connection internal diameter upper limit.
Preferably, the outer diameter of first limiting section is greater than the outer diameter in no-go gage portion.
Preferably, the second guide part outer diameter is less than drift portion outer diameter.
Preferably, first connecting portion, the outer diameter of the first connecting portion are coaxially provided between the drift portion, the first limiting section
Less than drift portion.
Preferably, second connecting portion, the outer diameter of the second connecting portion are coaxially provided between the no-go gage portion, the second limiting section
Less than no-go gage portion.
Preferably, first guide part outer end is equipped with the first chamfering, chamfering mistake between first guide part and drift portion
Cross connection.
Preferably, second guide part outer end is equipped with the second chamfering, chamfering mistake between second guide part and no-go gage portion
Cross connection.
Preferably, the thin axis, drift, no-go gage coaxial arrangement, the thin axis outer diameter are respectively less than the first guide part and second
Guide part outer diameter.
Further, the thin axis surface is equipped with a pair parallel with shaft section and carves characters face, and the face of carving characters is radially disposed in
Shaft section two sides are symmetrical arranged.
The utility model has the following beneficial effects:
1. lesser first guide part of outer diameter, the second guide part is respectively set in go side and not-go-end, when using go-no go gauge
Measured hole can be rapidly entered, is measured by the first guide part, the second guide part elder generation centering, then by go side section, not-go-end section.
2. biggish first limiting section of outer diameter, the second limiting section, limitation go-no go gauge measurement is respectively set in go side and not-go-end
When pass through part, prevent that go-no go gauge is caused not allow to be drawn out easily across inside parts.
3. reducing use cost, part intermediate pore size has obtained good monitoring, ensure that the processing quality of part.It is suitable
Diameter is closed in 50~φ of φ 80, tolerance is applied in 0.05~0.10 through-hole measurement, and for being relatively large in diameter, tolerance is compared with small through hole
Measurement, have good promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model
Fig. 2 is A-A sectional view in Fig. 1
Wherein: 1- thin the first guide part of axis 2- drift 3- no-go gage 4- 5- drift portion 6- the first limiting section the second guide part of 7- 8-
The second limiting section of no-go gage portion 9- 10- face 11- first connecting portion 12- second connecting portion the first chamfering of 4.1- 7.1- second that carves characters falls
Angle.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-2, a kind of guide type go-no go gauge provided by the utility model, including thin axis 1 and be located at thin
Drift 2, the no-go gage 3 at 1 both ends of axis, drift 2 include from thin 1 one end of axis (in Fig. 1 upside down) sequentially coaxially setting inwardly and straight
The first guide part 4 that diameter is sequentially increased, drift portion 5, the first limiting section 6；No-go gage 3 includes from thin 1 other end of axis inwardly (in Fig. 1
Lower end is upward) sequentially coaxially setting and diameter the second guide part 7, no-go gage portion 8, the second limiting section 9 that are sequentially increased.
Drift portion 5 is outer diameter cylindrical body corresponding with instrument connection internal diameter lower limit；No-go gage portion 8 is on outer diameter and instrument connection internal diameter
Limit corresponding cylindrical body.The outer diameter of first limiting section 6 is greater than the outer diameter in no-go gage portion 8.Second guide part, 7 outer diameter is less than drift portion 5
Outer diameter.
First guide part, 4 outer end is equipped with the first chamfering 4.1, and chamfered transition connects between the first guide part 4 and drift portion 5.The
Two guide parts, 7 outer end is equipped with the second chamfering 7.1, and chamfered transition connects between the second guide part 7 and no-go gage portion 8.Drift portion 5, first
First connecting portion 11 is coaxially provided between limiting section 6, the outer diameter of first connecting portion 11 is less than drift portion 5.No-go gage portion 8, second limits
Second connecting portion 12 is coaxially provided between portion 9, the outer diameter of second connecting portion 12 is less than no-go gage portion 8.
Thin axis 1, drift 2, no-go gage 3 are coaxially disposed, and thin 1 outer diameter of axis is respectively less than outside the first guide part 4 and the second guide part 7
Diameter.Thin 1 surface of axis is equipped with a pair parallel with shaft section and carves characters face 10, and face 10 of carving characters is radially disposed in shaft section two sides and symmetrically sets
It sets.First guide part 4, the thickness in drift portion 5 and, second guide part 7, no-go gage portion 8 and survey substantially corresponding with the hole depth of measured hole
The hole depth of metering-orifice corresponds to substantially.
In the present embodiment: thin axis 1, the first guide part 4, drift portion 5, first connecting portion 11, the first limiting section 6, second are led
It is the cylinder of coaxial arrangement to portion 7, no-go gage portion 8, second connecting portion 12, the second limiting section 9.Measured hole having a size of φ 66 (+
0.07 ,+0.02) mm；First guide part 4,7 outer diameter of the second guide part are identical, are 65 ± 0.05mm of φ；First limiting section 6,
Two limiting sections, 9 outer diameter is identical, is φ 70mm；First connecting portion 11,12 outer diameter of second connecting portion are identical, are φ 64mm；Carefully
1 outer diameter φ 30mm of axis, drift portion 5 outer diameter φ 66.02 (0 ,+0.005) mm, 8 66.07 ± 0.0025mm of outer diameter φ of no-go gage portion.
The working principle of the utility model are as follows:
Drift 2 is put into measured hole to measure, the first guide part 4 is introduced into measured hole centering, then is carried out by drift portion 5
Measurement, if drift portion 5 does not pass through, measured hole is too small, and part is unqualified, if drift portion 5 passes through, then changes the measurement of no-go gage 3, second
Guide part 7 is introduced into measured hole centering, then is measured by no-go gage portion 8, if no-go gage portion 8 does not pass through, part is qualified, if no-go gage
Portion 8 passes through, then measured hole is too big, and part is unqualified.
Claims (9)
1. a kind of guide type go-no go gauge including thin axis (1) and is located at the drift (2) at thin axis (1) both ends, no-go gage (3),
It is characterized in that:
The drift (2) includes from thin axis (1) one end sequentially coaxially setting and the first guide part for being sequentially increased of diameter inwardly
(4), drift portion (5), the first limiting section (6)；
The no-go gage (3) includes from thin axis (1) other end sequentially coaxially setting and the second guide part for being sequentially increased of diameter inwardly
(7), no-go gage portion (8), the second limiting section (9)；
The drift portion (5) is outer diameter cylindrical body corresponding with instrument connection internal diameter lower limit；
The no-go gage portion (8) is outer diameter cylindrical body corresponding with the instrument connection internal diameter upper limit.
2. guide type go-no go gauge as described in claim 1, it is characterised in that: the outer diameter of first limiting section (6) is greater than only
The outer diameter in rule portion (8).
3. guide type go-no go gauge as described in claim 1, it is characterised in that: the second guide part (7) outer diameter is less than drift
Portion (5) outer diameter.
4. guide type go-no go gauge as described in claim 1, it is characterised in that: between the drift portion (5), the first limiting section (6)
It is coaxially provided with first connecting portion (11), the outer diameter of the first connecting portion (11) is less than drift portion (5).
5. guide type go-no go gauge as described in claim 1, it is characterised in that: between the no-go gage portion (8), the second limiting section (9)
It is coaxially provided with second connecting portion (12), the outer diameter of the second connecting portion (12) is less than no-go gage portion (8).
6. guide type go-no go gauge as described in claim 1, it is characterised in that: the first guide part (4) outer end is equipped with first
Chamfering (4.1), first guide part (4) connect with chamfered transition between drift portion (5).
7. guide type go-no go gauge as described in claim 1, it is characterised in that: the second guide part (7) outer end is equipped with second
Chamfering (7.1), second guide part (7) connect with chamfered transition between no-go gage portion (8).
8. guide type go-no go gauge as described in claim 1, it is characterised in that: the thin axis (1), drift (2), no-go gage (3) are same
Axis setting, thin axis (1) outer diameter are respectively less than the first guide part (4) and the second guide part (7) outer diameter.
9. guide type go-no go gauge as claimed in claim 8, it is characterised in that: thin axis (1) surface is equipped with flat with shaft section
Capable a pair is carved characters face (10), and the face of carving characters (10) is radially disposed in shaft section two sides and is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419157.8U CN208688354U (en) | 2018-08-30 | 2018-08-30 | A kind of guide type go-no go gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419157.8U CN208688354U (en) | 2018-08-30 | 2018-08-30 | A kind of guide type go-no go gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208688354U true CN208688354U (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821419157.8U Active CN208688354U (en) | 2018-08-30 | 2018-08-30 | A kind of guide type go-no go gauge |
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| CN (1) | CN208688354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288869A (en) * | 2020-02-28 | 2020-06-16 | 保隆(安徽)汽车配件有限公司 | Novel go-no go gauge device |
-
2018
- 2018-08-30 CN CN201821419157.8U patent/CN208688354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288869A (en) * | 2020-02-28 | 2020-06-16 | 保隆(安徽)汽车配件有限公司 | Novel go-no go gauge device |
| CN111288869B (en) * | 2020-02-28 | 2021-09-24 | 保隆(安徽)汽车配件有限公司 | Novel go-no go gauge device |
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