CN212006968U - Utensil is examined to screw thread - Google Patents
Utensil is examined to screw thread Download PDFInfo
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- CN212006968U CN212006968U CN202020548530.0U CN202020548530U CN212006968U CN 212006968 U CN212006968 U CN 212006968U CN 202020548530 U CN202020548530 U CN 202020548530U CN 212006968 U CN212006968 U CN 212006968U
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Abstract
The utility model relates to the technical field of checking tools, and discloses a thread checking tool, which comprises a go gauge, a no-go gauge, a length measuring ring and at least one coaxiality detecting sleeve, wherein an external thread matched with a thread to be detected is arranged at one end of the go gauge, and a first notch is arranged at the part of one end of the go gauge, which is positioned outside the external thread; one end of the no-go gauge is provided with an external thread matched with the thread to be detected; the length measuring ring is detachably connected with the go gauge, a first through hole matched with the go gauge is formed in the length measuring ring, and the length measuring ring can be slidably sleeved on the go gauge through the first through hole; the axiality detects the cover and can dismantle and connect in leading to the rule, and each axiality detects the cover and has seted up the second through-hole, and the second through-hole runs through the axiality and detects the cover, and the second through-hole includes coaxial setting and the first fixed orifices, the second fixed orifices that are linked together, and first fixed orifices cooperatees with leading to the rule, and the axiality detects the cover and can locate leading to the rule through first fixed orifices slip cap. The utility model discloses the degree of depth, axiality etc. that can quick screw hole detect.
Description
Technical Field
The utility model relates to an examine technical field, concretely relates to utensil is examined to screw thread.
Background
I know that the variable box inputs a newly-increased internal thread processing of an axle now, have axiality requirement and thread depth requirement. As shown in fig. 1: under the general condition, three sets of checking tools need to be designed correspondingly to finish detection items, and the three sets of checking tools are distributed into a thread go-no go gauge, a thread depth checking tool and a thread coaxiality checking tool. During detection, firstly, the go gauge and the no-go gauge are used for detection, the go gauge and the no-go gauge are distributed to try to be screwed into the threaded hole a, then the depth of the internal thread is measured through the depth measuring meter, the threaded end of the depth measuring meter is screwed into the threaded hole a during measurement, then the coaxiality of the threaded hole a and the shaft neck of the input shaft is measured through the dial indicator, and a plurality of screwed-in threaded holes a are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a utensil is examined to screw, solve among the prior art technical problem that measurement screw thread needs many times screw in screw hole.
In order to achieve the technical purpose, the technical scheme of the utility model provide an utensil is examined to screw thread, a serial communication port, include:
the device comprises a go gauge, a first positioning device and a second positioning device, wherein one end of the go gauge is provided with an external thread matched with a thread to be detected, and the part of one end of the go gauge, which is positioned outside the external thread, is provided with a first notch;
one end of the no-go gauge is provided with an external thread matched with the thread to be detected;
the length measuring ring is detachably connected to the go gauge, a first through hole matched with the go gauge is formed in the length measuring ring, and the length measuring ring can be slidably sleeved on the go gauge through the first through hole;
at least one axiality detects the cover, the axiality detect the cover can dismantle connect in lead to the rule, each the axiality detects the cover and has seted up the second through-hole, the second through-hole runs through the axiality detects the cover, the second through-hole includes coaxial setting and the first fixed orifices, the second fixed orifices that are linked together, first fixed orifices with lead to the rule and cooperate, the axiality detects the cover can pass through first fixed orifices slip cap is located lead to the rule.
Compared with the prior art, the beneficial effects of the utility model include: firstly, a no-go gauge is used for detecting a threaded hole of a part to be detected, the no-go gauge is screwed into the threaded hole of the part to be detected, the no-go gauge is unqualified and is not qualified when the no-go gauge is screwed into the detected threaded hole for 2.5 circles or more, the go gauge is detected after the no-go gauge is qualified, the go gauge is screwed into the detected threaded hole by holding the go gauge by hand, the go gauge is screwed into the detected threaded hole continuously until the go gauge is qualified when the go gauge is screwed in smoothly until the go gauge cannot be rotated, at the moment, a length measuring ring is matched and sleeved on the go gauge in a sliding manner, the length measuring ring is abutted against the part to be detected, when one end part of the length measuring ring, which is far away from the part to be detected, covers a first notch, the length of the detected threaded hole meets the requirement, when one end part of the length measuring ring, which is far away from the part to be detected, does not cover the first notch or completely covers the, when the second fixing hole of the coaxiality detection sleeve can be sleeved on the shaft neck of the threaded hole to be detected, the shaft neck is qualified, and otherwise, the shaft neck is unqualified; the detected parts which are all qualified through the detection are qualified products, the coaxiality requirement is met, the coaxiality, the hole depth and the through and stop of the threaded holes of the detected parts can be detected through one set of detected detection tool, and during detection, only one-time thorough screw-in thread is needed, so that the detection efficiency can be improved, and the detection tool is suitable for large-batch production requirements.
Drawings
FIG. 1 is a schematic view of a partial structure of a part to be tested;
FIG. 2 is a schematic structural diagram of a threaded hole of a part to be detected by using a go gauge;
FIG. 3 is a schematic structural view of the middle stop gauge of the present invention;
FIG. 4 is a schematic structural view of a threaded hole of a part to be tested using a gauge and a length measuring ring;
FIG. 5 is a schematic structural diagram of a threaded hole of a part to be tested detected by using a go gauge and a coaxiality detection sleeve;
FIG. 6 is a schematic structural view of a length measuring ring according to the present invention;
fig. 7 is a schematic structural view of the middle coaxiality detection sleeve of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides an utensil is examined to screw thread, as shown in fig. 1 to 7, including leading to rule 1, no-go gage 2, length measurement ring 3, at least one axiality and detecting cover 4, lead to rule 1's one end and offer and wait to detect screw thread matched with external screw thread, and lead to rule 1's one end and be located the part outside the external screw thread and seted up first breach e.
And one end of the no-go gauge 2 is provided with an external thread matched with the thread to be detected.
Length measurement ring 3 can be dismantled and connect in leading to rule 1, and length measurement ring 3 is seted up and is led to rule 1 matched with first through-hole, and length measurement ring 3 can pass through first through-hole slip cap is located leads to rule 1.
The axiality detects set 4 and can dismantle and connect in leading to rule 1, and each axiality detects set 4 and has seted up the second through-hole, and the second through-hole f runs through axiality and detects set 4, and the second through-hole f includes coaxial setting and the first fixed orifices f1, the second fixed orifices f2 that are linked together, and first fixed orifices f1 cooperatees with leading to rule 1, and axiality detects set 4 can locate leading to rule 1 through first fixed orifices f1 slip cap.
Specifically, the diameter of the journal corresponding to the threaded hole a of the part to be detected is D, the tolerance is 0 to D, D is a negative number, the number of the coaxiality detection sleeves 4 is three, and the three coaxiality detection sleeves 4The diameters of the second fixing holes f2 are D,
More specifically, the size of the shaft neck corresponding to the threaded hole a of the part to be measured is
The tolerance is 0 to-0.15, and the diameters of the second fixing holes f2 of the three coaxiality detecting sleeves 4 are 28.3, 28.25 and 28.20 respectively.
Further preferably, the outer wall of each coaxiality detection sleeve 4 is provided with a knurling so as to facilitate screwing the coaxiality detection sleeve 4 into the detected journal.
Specifically, lead to rule 1 including coaxial coupling's first axis body 11, second axis body 12, third axis body 13 in proper order, first axis body 11 seted up with wait to detect screw thread matched with the external screw thread, the one end that first axis body 11 was kept away from to second axis body 12 has seted up first breach e, and the second axis body 12 is located to the cooperation of length measurement ring 3 and slidable sleeve, and the axiality detects cover 4 and locates second axis body 12 through the cooperation of first fixed orifices f1 and slidable sleeve.
The first through hole is matched with the second shaft body 12, and the length measuring ring 3 can be sleeved on the second shaft body 12 through the first through hole in a sliding manner; the first fixing hole f1 is matched with the second shaft 12, and the coaxiality detecting sleeve 4 can be slidably sleeved on the second shaft 12 through the first fixing hole f 1.
Preferably, a first annular groove is coaxially formed at the joint of the first shaft body 11 and the second shaft body 12, and a second annular groove is formed at the joint of the third shaft body 13 and the second shaft body 12.
Preferably, the outer diameter of the third shaft body 13 is smaller than the outer diameter of the second shaft body 12 and the outer wall of the third shaft body 13 is provided with knurling.
Specifically, the no-go gauge 2 includes coaxial coupling's fourth axis body 21, fifth axis body 22, and the external screw thread has been seted up to the outer wall of fourth axis body 21, and the third ring channel has been seted up to the junction of fourth axis body 21 and fifth axis body 22, third ring channel and fourth axis body 21 coaxial coupling, and the external diameter of fourth axis body 21 is greater than the external diameter of first axis body 11.
Preferably, the fifth shaft 22 has a hexagonal cross-section for facilitating a human hand to hold the fifth shaft 22.
The utility model discloses a concrete work flow: firstly, a check gauge 2 is used for detecting a threaded hole a of a part to be detected, a fifth shaft body 22 is held by hand, a fourth shaft body 21 is screwed into the threaded hole a of the part to be detected, the fourth shaft body 21 is unqualified when the threaded hole a to be detected is screwed into the threaded hole a to be detected for 2.5 circles or more, otherwise, the fifth shaft body is qualified, the fourth shaft body is detected through a go gauge 1 after the fourth shaft body 21 is qualified, the third shaft body 13 is held by hand, a first shaft body 11 is screwed into the threaded hole a to be detected, the first shaft body 11 is qualified when being smoothly screwed into the threaded hole a, the threaded hole is continuously screwed in until the third shaft body 13 cannot be rotated, at the moment, a length measuring ring 3 is matched and sleeved on a second shaft body 12 in a sliding mode, the length measuring ring 3 is abutted against the part to be detected, when one end part, far away from the part to be detected, of the length measuring ring 3 covers a first notch e, the length of the, after the length of the threaded hole a to be detected is qualified, coaxiality detection is carried out, the outer diameter of the journal corresponding to the threaded hole a to be detected is measured through a conventional measuring instrument such as a vernier caliper, the type of the diameter measuring tool is not limited to the outer diameter, the diameter measuring tool such as the vernier caliper can belong to one part of the device due to the fact that the diameter measuring tool is conventional, other diameter measuring tools existing in a working site can be used, when the diameter of a part to be detected is located between 28.15 and 28.2, coaxiality measurement is carried out through a coaxiality detecting sleeve 4 with the inner diameter of 28.20, the coaxiality detecting sleeve 4 can be slidably sleeved on the second shaft body 12 through a first fixing hole f1, and when the second fixing hole f2 of the coaxiality detecting sleeve 4 can be sleeved on the journal of the threaded hole a to be qualified; when the diameter of the part to be detected is between 28.20 and 28.25, the coaxiality detection sleeve 4 with the inner diameter of 28.25 is used for measuring the coaxiality, the coaxiality detection sleeve 4 can slide through the first fixing hole f1 and is sleeved on the second shaft body 12 in a matching manner, and when the second fixing hole f2 of the coaxiality detection sleeve 4 can be sleeved on the shaft neck of the threaded hole a to be detected, the shaft neck is qualified, and otherwise the shaft neck is unqualified; when the diameter of the part to be detected is between 28.25 and 28.30, the coaxiality detection sleeve 4 with the inner diameter of 28.30 is used for measuring the coaxiality, the coaxiality detection sleeve 4 can slide through the first fixing hole f1 and is sleeved on the second shaft body 12 in a matching mode, and when the second fixing hole f2 of the coaxiality detection sleeve 4 can be sleeved on the shaft neck of the threaded hole a to be detected, the shaft neck is qualified, and otherwise the shaft neck is unqualified.
The detected parts which are all qualified through the detection are qualified products, the coaxiality requirement is met, the coaxiality, the hole depth and the through and stop of the threaded holes a of the detected parts can be detected through one set of detected detection tool, and during detection, only one screw in thread is needed, so that the detection efficiency can be improved, and the detection tool is suitable for large-batch production requirements.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A utensil is examined to screw thread, its characterized in that includes:
the device comprises a go gauge, a first positioning device and a second positioning device, wherein one end of the go gauge is provided with an external thread matched with a thread to be detected, and the part of one end of the go gauge, which is positioned outside the external thread, is provided with a first notch;
one end of the no-go gauge is provided with an external thread matched with the thread to be detected;
the length measuring ring is detachably connected to the go gauge, a first through hole matched with the go gauge is formed in the length measuring ring, and the length measuring ring can be slidably sleeved on the go gauge through the first through hole;
at least one axiality detects the cover, the axiality detect the cover can dismantle connect in lead to the rule, each the axiality detects the cover and has seted up the second through-hole, the second through-hole runs through the axiality detects the cover, the second through-hole includes coaxial setting and the first fixed orifices, the second fixed orifices that are linked together, first fixed orifices with lead to the rule and cooperate, the axiality detects the cover can pass through first fixed orifices slip cap is located lead to the rule.
2. The thread testing fixture according to claim 1, wherein the go gauge comprises a first shaft body, a second shaft body and a third shaft body which are coaxially connected in sequence, the first shaft body is provided with an external thread matched with the thread to be tested, one end of the second shaft body, which is far away from the first shaft body, is provided with the first notch, the first through hole is matched with the second shaft body, and the length measuring ring can be slidably sleeved on the second shaft body through the first through hole; the first fixing hole is matched with the second shaft body, and the coaxiality detection sleeve can be slidably sleeved on the second shaft body through the first fixing hole.
3. The thread testing fixture of claim 2, wherein a first annular groove is coaxially formed at a joint of the first shaft body and the second shaft body, and a second annular groove is formed at a joint of the third shaft body and the second shaft body.
4. The thread testing fixture of claim 2, wherein an outer diameter of said third shaft body is smaller than an outer diameter of said second shaft body and wherein an outer wall of said third shaft body is provided with knurling.
5. The threading tool of claim 1, wherein the diameter of the journal corresponding to the threaded hole of the part to be tested is D, the tolerance is 0 to D, D is a negative number, the number of the coaxiality detection sleeves is three, and the diameters of the second fixing holes of the three coaxiality detection sleeves are D, D,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548530.0U CN212006968U (en) | 2020-04-14 | 2020-04-14 | Utensil is examined to screw thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548530.0U CN212006968U (en) | 2020-04-14 | 2020-04-14 | Utensil is examined to screw thread |
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| Publication Number | Publication Date |
|---|---|
| CN212006968U true CN212006968U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020548530.0U Active CN212006968U (en) | 2020-04-14 | 2020-04-14 | Utensil is examined to screw thread |
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| CN (1) | CN212006968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629387A (en) * | 2020-12-11 | 2021-04-09 | 北京星航机电装备有限公司 | Qualified judging device for coaxiality of internal and external threads of threaded sleeve |
-
2020
- 2020-04-14 CN CN202020548530.0U patent/CN212006968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629387A (en) * | 2020-12-11 | 2021-04-09 | 北京星航机电装备有限公司 | Qualified judging device for coaxiality of internal and external threads of threaded sleeve |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 430056 9mc, Wuhan Economic and Technological Development Zone, Hubei Province Patentee after: Wuhan Jingji Machinery Co.,Ltd. Address before: 442000 No. 11, Liaoning Road, Shiyan City, Hubei Province Patentee before: DONGFENG (SHIYAN) AUTO FORGING STEEL PARTS CO.,LTD. |