CN212902943U - Mounting hole testing fixture - Google Patents
Mounting hole testing fixture Download PDFInfo
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- CN212902943U CN212902943U CN202021538660.2U CN202021538660U CN212902943U CN 212902943 U CN212902943 U CN 212902943U CN 202021538660 U CN202021538660 U CN 202021538660U CN 212902943 U CN212902943 U CN 212902943U
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Abstract
The utility model discloses an utensil is examined to mounting hole, include: the anti-rotation gauge comprises a gauge body, a first anti-rotation part, a second anti-rotation part, a first detection part and a second detection part, wherein the first anti-rotation part and the second anti-rotation part are respectively arranged at two ends of the gauge body, the first detection part is rotatably arranged on the first anti-rotation part or the gauge body, and the second detection part is arranged between the second anti-rotation part and the gauge body. Therefore, on one hand, the mounting hole detection tool can perform precision detection on mounting holes in various specifications and sizes, the number of the detection tools is reduced, the detection convenience is improved, and the detection cost is reduced; on the other hand, the first detection part is rotatably arranged on the first rotation prevention part or the detection tool body, so that the first detection part can rotate relative to the mounting hole, the mounting hole detection tool can perform marking detection on the mounting hole, and the universality and the convenience of the mounting hole detection tool are further improved.
Description
Technical Field
The utility model belongs to the technical field of examine a technique and specifically relates to an utensil is examined to mounting hole is related to.
Background
In the related art, after the mounting hole is machined, the machining precision of the mounting hole needs to be detected, one mounting hole needs to be detected by multiple detection tools, the detection tools are multiple in types, the operation is complex, and the cost is high.
Meanwhile, the structure of the mounting hole is not limited to be circular, and when the mounting hole is in a non-circular shape, the inspection tool needs to be controlled to be incapable of rotating in the detection process, so that some detection operations are difficult to perform.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an utensil is examined to mounting hole, utensil is examined to mounting hole can carry out polytype precision measurement, simple structure, with low costs to the mounting hole.
According to the utility model discloses utensil is examined to mounting hole, include: the anti-rotation gauge comprises a gauge body, a first anti-rotation part, a second anti-rotation part, a first detection part and a second detection part, wherein the first anti-rotation part and the second anti-rotation part are respectively arranged at two ends of the gauge body, the first detection part is rotatably arranged on the first anti-rotation part or the gauge body, and the second detection part is arranged between the second anti-rotation part and the gauge body.
According to the mounting hole inspection device provided by the embodiment of the utility model, on one hand, the mounting hole inspection device can perform precision detection of various specifications and sizes on the mounting hole by arranging the first detection part and the second detection part, so that the number of the inspection devices is reduced, the detection convenience is improved, and the detection cost is reduced; on the other hand, the first detection part is rotatably arranged on the first rotation prevention part or the detection tool body, so that the first detection part can rotate relative to the mounting hole, the mounting hole detection tool can perform marking detection on the mounting hole, and the universality and the convenience of the mounting hole detection tool are further improved.
According to some embodiments of the present invention, the first detecting portion is sleeved around the first rotation-preventing portion and is pivotally engaged with the first rotation-preventing portion.
In some embodiments, the first detection portion is configured as a scribing line detection piece, and a side of the first detection portion facing the free end of the first rotation prevention portion is configured as an inclined surface.
Furthermore, the diameter of the first detection part is D1, the bore diameter of the mounting hole is D2, and D1 +42mm is not less than D2+38mm and not more than D2+42 mm.
Further, the first rotation preventing portion includes: the anti-rotation body, the first shaft section, the second shaft section and the third shaft section are sequentially connected, the shaft diameters of the first shaft section, the second shaft section and the third shaft section are sequentially reduced, the third shaft section is fixed with the checking fixture body, the first detection part is rotatably arranged on the second shaft section, and the shaft diameter of the first shaft section is larger than the inner diameter of the first detection part.
Further, the rotation-preventing body includes: the anti-rotation guide sleeve comprises a first anti-rotation core body and a first guide sleeve arranged on the outer side of the first anti-rotation core body, wherein a first guide part is arranged at the free end of the first anti-rotation core body.
In some embodiments, the second detection part includes: the end face detection piece is connected with the detection tool body, the connection and disconnection detection piece is arranged on the side face, facing the second rotation prevention portion, of the end face detection piece, the side face, facing the second rotation prevention portion, of the end face detection piece is a detection face, and the detection face is opposite to the plane where the mounting hole is located.
Further, the outline of the through-stop detection piece is consistent with the outline of the mounting hole.
Further, the geometric dimension of the pass-stop detection piece is A1, the aperture of the mounting hole is D2, and A1 is D2+ the deviation-position degree under the aperture of the mounting hole.
In some embodiments, the second anti-rotation portion comprises: the anti-rotation device comprises a second anti-rotation core body and a second guide sleeve arranged on the outer side of the second anti-rotation core body, wherein a second guide part is arranged at the free end of the second anti-rotation core body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a mounting hole inspection tool according to an embodiment of the present invention;
fig. 2 is another schematic view of a mounting hole inspection tool according to an embodiment of the present invention;
fig. 3 is a schematic usage diagram of the mounting hole inspection device according to the embodiment of the present invention.
Reference numerals:
the mounting hole inspection tool 100 is provided with a mounting hole,
a test tool body 10 is provided,
a first rotation-preventing part 20, a rotation-preventing body 21, a first shaft section 22, a second shaft section 23, a third shaft section 24,
the second rotation preventing portion 30, the first detecting portion 40,
the second detecting portion 50, the end face detecting member 51, and the on/off detecting member 52.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A mounting hole inspection tool 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1, according to the utility model discloses a mounting hole examines utensil 100 includes: the gauge comprises a gauge body 10, a first rotation prevention part 20, a second rotation prevention part 30, a first detection part 40 and a second detection part 50.
The first rotation preventing portion 20 and the second rotation preventing portion 30 are respectively arranged at two ends of the checking fixture body 10, the first detecting portion 40 is rotatably arranged on the first rotation preventing portion 20 or the checking fixture body 10, and the second detecting portion 50 is arranged between the second rotation preventing portion 30 and the checking fixture body 10.
Particularly, the mounting hole detection tool 100 is suitable for detecting the mounting hole, in the detection process of the first detection part 40 or the second detection part 50 to the mounting hole, the mounting hole detection tool 100 can be prevented from rotating and limiting through the first rotation prevention part 20 and the second rotation prevention part 30 respectively, the matching precision of the mounting hole detection tool 100 and the mounting hole is improved, meanwhile, the first detection part 40 is rotatably arranged on the first rotation prevention part 20 or the detection tool body 10, in the detection process of the mounting hole, the first detection part 40 can rotate relative to the mounting hole, and the detection convenience is improved.
It should be noted that, when the mounting hole is configured as a non-circular hole, in order to improve the detection accuracy, and ensure that the mounting hole inspection tool 100 can enter the mounting hole according to an expected angle, the mounting hole inspection tool 100 needs to be prevented from rotating and limited by the first rotation prevention portion 20 or the second rotation prevention portion 30, so as to improve the detection accuracy, and meanwhile, after the mounting hole inspection tool 100 is prevented from rotating and limited, a detection component which needs to rotate relative to the mounting hole cannot realize the function of the detection component itself, based on this, the first detection portion 40 is rotatably disposed on the first rotation prevention portion 20 or on the inspection tool body 10, so that the first detection portion 40 can rotate relative to the mounting hole.
According to the mounting hole inspection device 100 provided by the embodiment of the utility model, on one hand, by arranging the first detection part 40 and the second detection part 50, the mounting hole inspection device 100 can perform precision detection of various specifications and sizes on the mounting hole, so that the number of inspection devices is reduced, the detection convenience is improved, and the detection cost is reduced; on the other hand, the first detecting portion 40 is rotatably disposed on the first rotation preventing portion 20 or the fixture body 10, so that the first detecting portion 40 can rotate relative to the mounting hole, the mounting hole fixture 100 can detect the marking of the mounting hole, and the universality and convenience of the mounting hole fixture 100 are further improved.
As shown in fig. 2, according to some embodiments of the present invention, the first detecting portion 40 is disposed at the periphery of the first rotation preventing portion 20 and pivotally engaged with the first rotation preventing portion 20, the first detecting portion 40 is configured as a line-drawing detecting member, and a side of the first detecting portion 40 facing the free end of the first rotation preventing portion 20 is configured as an inclined plane.
In other words, the first detecting portion 40 is rotatably disposed on the first rotation preventing portion 20, the first rotation preventing portion 20 is inserted into the mounting hole and is limited in rotation prevention, the first detecting portion 40 is located on one side of the component where the mounting hole is located, at least part of the first detecting portion 40 (i.e., at least part of the inclined surface) is in contact with the surface of the component where the mounting hole is located, and then an operator can realize scribing on the component where the mounting hole is located by dialing the first detecting portion 40, so that the mounting hole can be detected through detecting components such as calipers.
Preferably, the diameter of the first detecting part 40 is D1, the diameter of the mounting hole is D2, and D2+38mm < D1 < D2+42 mm. Thus, the first detection part 40 has more reasonable geometric dimension and the scribing detection is more convenient.
In the particular embodiment shown in fig. 2, the first rotation prevention part 20 includes: the anti-rotation body 21, the first shaft section 22, the second shaft section 23 and the third shaft section 24 are connected in sequence, the shaft diameters of the first shaft section 22, the second shaft section 23 and the third shaft section 24 are reduced in sequence, the third shaft section 24 is fixed with the checking fixture body 10, the first detection part 40 is rotatably arranged on the second shaft section 23, and the shaft diameter of the first shaft section 22 is larger than the inner diameter of the first detection part 40.
Particularly, first shaft section 22 and examine a body 10 and carry on spacingly at the both ends of first detection portion 40 to first detection portion 40 respectively, in order to avoid first detection portion 40 to deviate from first anti-rotation portion 20, improve the first detection portion 40 and the first cooperation stability of anti-rotation portion 20, third shaft section 24 stretches into examine a body 10 inside and with examine a body 10 fixed connection, in order to improve the structural strength that the mounting hole examined a 100, second shaft section 23 and first detection portion 40 pivot cooperation, make the rotation of first detection portion 40 more stable, reliable.
As shown in fig. 3, the rotation-preventing body 21 includes: the anti-rotation guide sleeve comprises a first anti-rotation core body and a first guide sleeve arranged on the outer side of the first anti-rotation core body, wherein a first guide part is arranged at the free end of the first anti-rotation core body. Like this, through setting up first guide part, make first prevent that the first core that prevents changeing of portion 20 inserts first guide pin bushing simpler, convenient, simultaneously through the cooperation of first core and the first guide pin bushing of preventing changeing, make first prevent changeing portion 20 prevent changeing spacing stability higher.
As shown in fig. 1 and 2, the second detection unit 50 includes: the end face detection piece 51 and the go-no-go detection piece 52, the end face detection piece 51 is connected with the detection tool body 10, the go-no-go detection piece 52 is arranged on the side face, facing the second rotation preventing part 30, of the end face detection piece 51, the side face, facing the second rotation preventing part 30, of the end face detection piece 51 is constructed into a detection face, and the detection face is opposite to the plane where the mounting hole is located.
From this, can realize detecting the planar face difference at mounting hole place through terminal surface detection piece 51 through detecting the plane at mounting hole place and detecting the distance between the face, can realize detecting the downthehole size of mounting hole, angle etc. through leading to ending detection piece 52 to improve the detection variety of utensil 100 is examined to the mounting hole, make utensil 100 is examined to the mounting hole can carry out more sizes and progress measurement.
It will be appreciated that the outline of the pass-stop detector 52 corresponds to the outline of the mounting hole.
In some embodiments, the geometric dimension of the pass detector 52 is a1, the aperture of the mounting hole is D2, and a1 is D2+ the offset-position degree below the aperture of the mounting hole. Therefore, the size of the through-stop detection piece 52 is more reasonable, and the detection precision of the mounting hole detection tool 100 can be further improved.
When the mounting hole is configured as a circular hole, the aperture of the mounting hole is the inner diameter of the mounting hole, and when the mounting hole is configured as a non-circular hole, the aperture of the mounting hole is the connecting line between two points with the largest distance on the projection of the inner wall of the mounting hole, and the deviation, the position degree and the like under the aperture are all processing requirements, and can be known through table lookup or the size specification of the mounting hole.
As shown in fig. 2 and 3, in some embodiments, the second rotation prevention part 30 includes: the anti-rotation device comprises a second anti-rotation core body and a second guide sleeve arranged on the outer side of the second anti-rotation core body, wherein a second guide part is arranged at the free end of the second anti-rotation core body. Like this, through setting up the second guide part, make the second of the second portion of preventing changeing 30 prevent that the core inserts the second guide pin bushing simpler, convenient, prevent changeing the cooperation of core and second guide pin bushing simultaneously through the second, make the second prevent changeing 30 prevent changeing spacing stability higher.
It should be noted that the first guide sleeve and the second guide sleeve referred in the embodiments of the present application are exemplary, and in a preferred embodiment, the first anti-rotation core body and the second anti-rotation core body may be inserted into the same guide sleeve, respectively, so as to reduce the number of parts.
Next, the working process of the mounting hole inspection tool 100 of the present application will be specifically described.
The mounting hole inspection device 100 is taken out, the second anti-rotation core body is inserted into the second guide sleeve, and the center of the second guide sleeve is ensured to be in the theoretical position through detection of the three-coordinate measuring machine. Because the size and the angle of the through-stop detection piece 52 are calculated according to the aperture and the position degree of the mounting hole and are matched with the mounting hole, if the through-stop detection piece 52 can pass through the mounting hole, the angle of the mounting hole is parallel to the angle of the side surface of the through-stop detection piece 52, and the angle and the size of the mounting hole are qualified; if the pass-stop detection piece 52 cannot pass through, the installation hole is not parallel to the side surface of the pass-stop detection piece 52, and the angle and the size of the installation hole are not qualified;
after the completion of the detection, detecting the distance between the upper surface of the part where the mounting hole is located and the detection surface by using a clearance ruler, comparing the measured distance with the tolerance of the part in the drawing, and if the measured value is within the range of the surface tolerance requirement of the plane where the mounting hole is located, determining that the precision of the plane where the mounting hole is located is qualified; if the tolerance requirement is exceeded, the precision of the surface of the mounting hole exceeds the tolerance, and the mounting hole is unqualified;
the second rotation preventing part 30 is pulled out, the first rotation preventing part 20 is inserted into the first guide sleeve, the first detecting part 40 is fluctuated by hands, and a measuring ring is scribed on the surface of the part;
in a theoretical situation, the mounting hole and the measuring ring are in a concentric state, the distance between the boundary of the mounting hole and the measuring ring is measured by a caliper, if the distance is equal, the mounting hole is in the concentric state, the position of the mounting hole is not deviated, and the detection result is qualified; if the distances are unequal, the test piece is in a non-concentric state, the position of the mounting hole deviates, and the test result is unqualified.
Therefore, through the measuring process, whether the position, the angle and the surface of the mounting hole have problems or not can be determined, so that the purpose of guiding the correction of the die is achieved, and the qualification rate of the part is ensured.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A mounting hole inspection tool (100), comprising:
a gauge body (10);
the gauge comprises a first rotation preventing part (20) and a second rotation preventing part (30), wherein the first rotation preventing part (20) and the second rotation preventing part (30) are respectively arranged at two ends of the gauge body (10);
the detection tool comprises a first detection part (40) and a second detection part (50), wherein the first detection part (40) is rotatably arranged on the first rotation prevention part (20) or the detection tool body (10), and the second detection part (50) is arranged between the second rotation prevention part (30) and the detection tool body (10).
2. The mounting hole inspection tool (100) of claim 1, wherein the first detection portion (40) is sleeved on the outer periphery of the first rotation prevention portion (20) and is in pivot fit with the first rotation prevention portion (20).
3. The mounting hole inspection tool (100) according to claim 1, wherein the first detection portion (40) is configured as a scribe line detection piece, and a side of the first detection portion (40) facing the free end of the first rotation prevention portion (20) is configured as a slope.
4. The mounting hole inspection tool (100) of claim 3, wherein the diameter of the first detection part (40) is D1, the diameter of the mounting hole is D2, D2+38mm ≦ D1 ≦ D2+42 mm.
5. The mounting hole inspection tool (100) of claim 3, wherein the first anti-rotation portion (20) comprises: what connect gradually prevents changeing body (21), first shaft segment (22), second shaft segment (23) and third shaft segment (24), first shaft segment (22), second shaft segment (23) and the shaft diameter of third shaft segment (24) reduces in proper order, third shaft segment (24) with examine a body (10) fixed, the rotatable setting of first detection portion (40) is in on second shaft segment (23), the shaft diameter of first shaft segment (22) is greater than the internal diameter of first detection portion (40).
6. The mounting hole inspection tool (100) according to claim 5, wherein the anti-rotation body (21) comprises: the anti-rotation guide sleeve comprises a first anti-rotation core body and a first guide sleeve arranged on the outer side of the first anti-rotation core body, wherein a first guide part is arranged at the free end of the first anti-rotation core body.
7. The mounting hole inspection tool (100) of claim 1, wherein the second detection portion (50) comprises: the detection tool comprises an end face detection piece (51) and a through-stop detection piece (52), wherein the end face detection piece (51) is connected with the detection tool body (10), the through-stop detection piece (52) is arranged on the side face, facing the second rotation prevention part (30), of the end face detection piece (51), the side face, facing the second rotation prevention part (30), of the end face detection piece (51) is constructed into a detection face, and the detection face is opposite to the plane where the mounting hole is located.
8. The mounting hole inspection tool (100) of claim 7, wherein the open-close inspection piece (52) has a contour that conforms to a contour of a mounting hole.
9. The mounting hole inspection tool (100) of claim 8, wherein the geometric dimension of the pass-stop detector (52) is A1, the aperture of the mounting hole is D2, and A1 is D2+ the lower deviation-position degree of the aperture of the mounting hole.
10. The mounting hole inspection tool (100) of claim 5, wherein the second anti-rotation portion (30) comprises: the anti-rotation device comprises a second anti-rotation core body and a second guide sleeve arranged on the outer side of the second anti-rotation core body, wherein a second guide part is arranged at the free end of the second anti-rotation core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538660.2U CN212902943U (en) | 2020-07-29 | 2020-07-29 | Mounting hole testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538660.2U CN212902943U (en) | 2020-07-29 | 2020-07-29 | Mounting hole testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212902943U true CN212902943U (en) | 2021-04-06 |
Family
ID=75230497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021538660.2U Active CN212902943U (en) | 2020-07-29 | 2020-07-29 | Mounting hole testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212902943U (en) |
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2020
- 2020-07-29 CN CN202021538660.2U patent/CN212902943U/en active Active
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