CN219083948U - Extension tolerance zone gauge - Google Patents
Extension tolerance zone gauge Download PDFInfo
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- CN219083948U CN219083948U CN202320088010.XU CN202320088010U CN219083948U CN 219083948 U CN219083948 U CN 219083948U CN 202320088010 U CN202320088010 U CN 202320088010U CN 219083948 U CN219083948 U CN 219083948U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses an extension tolerance zone gauge which is used for detecting an extension tolerance zone of a hole to be detected on an automobile part, and comprises a gauge base, an extension pin, a precision detection mechanism and a quick detection sleeve; the detection tool base is provided with a detection auxiliary sleeve, and the detection auxiliary sleeve can move to the position right above the hole to be detected; the extension pin comprises a part matching section, a limiting round table and a detection section which are sequentially arranged from bottom to top; the length of the detection section meets the requirement that when the part matching section is inserted into the hole to be detected, the top of the detection section extends upwards out of the detection auxiliary sleeve. According to the utility model, different detection modes can be selected according to requirements, and a rapid detection mode can be selected, so that the method is suitable for application scenes of mass detection, and a precise detection mode can be selected, so that the method is suitable for application scenes with high detection precision requirements.
Description
Technical Field
The utility model relates to automobile part detection, in particular to an extension tolerance zone detection tool.
Background
With the continuous development of industrial manufacture, the precision requirement of automobile parts is continuously improved, and the inspection tool occupies the dominant position of the batch detection of the precision of the automobile parts by the low cost and the excellent detection efficiency. The gauge is required to be structurally designed according to the requirements of a part GD & T drawing, wherein part of detection elements are inconvenient to detect through the gauge, and the extension tolerance zone is one of the detection elements. Because the detection position of the extension tolerance zone is a virtual area, the existing extension tolerance zone detection basically depends on three-coordinate detection, and then the final measurement result can be obtained by analyzing and calculating the detection data through a computer. Therefore, it is necessary to develop a gauge or a detection structure suitable for an extended tolerance zone, and to improve the detection efficiency while satisfying the detection accuracy.
CN111197951a discloses a gauge for detecting a threaded hole extension tolerance zone on a part, comprising: the detecting tool body and the detecting bolt; the gauge body comprises: a base for supporting the part; a base for supporting the part; one end of the base extends along a first direction to form a first positioning component, and the first positioning component is used for abutting against the part; the first positioning component is parallel to the extending direction of the base to form a bracket, the bracket is provided with a through hole, and the through hole and a threaded hole on the part are coaxially arranged; the upper surface of the bracket is a stop surface of the gauge body; the detection bolt comprises a limiting component and a detection component; the step surfaces of the limiting component and the detecting component are limiting surfaces of the detecting bolt; the limiting surface is used for being matched with the stop surface to detect the part. On one hand, the detection tool provided by the utility model improves the detection efficiency of parts. On the other hand, the accuracy of detection is improved. Needless to say, the technical solution disclosed in the above patent document is an advantageous attempt in the technical field.
Disclosure of Invention
Accordingly, the utility model aims to provide an extension tolerance zone gauge, which can select different detection modes according to requirements, can select a rapid detection mode, is suitable for application scenes of mass detection, can select a precise detection mode, and is suitable for application scenes with high detection precision requirements.
The utility model relates to an extension tolerance zone gauge which is used for detecting an extension tolerance zone of a hole to be detected on an automobile part, and comprises a gauge base, an extension pin, a precision detection mechanism and a quick detection sleeve;
the detection tool base is provided with a detection auxiliary sleeve, and the detection auxiliary sleeve can move to the position right above the hole to be detected;
the extension pin comprises a part matching section, a limiting round table and a detection section which are sequentially arranged from bottom to top; the length of the detection section is such that when the part matching section is inserted into the hole to be detected, the top of the detection section extends upwards out of the detection auxiliary sleeve;
the fine detection mechanism comprises a dial indicator and a fine detection seat, wherein the lower part of the fine detection seat is inserted into the detection auxiliary sleeve in a detachable and rotatable mode, a fine detection middle hole for the detection section to pass through is formed in the fine detection seat, a dial indicator mounting hole communicated with the fine detection middle hole is further formed in the fine detection seat, and the axis of the dial indicator mounting hole is mutually perpendicular to the axis of the fine detection middle hole;
the lower part of the quick detection sleeve is detachably inserted into the detection auxiliary sleeve, and a through type detection hole is formed in the quick detection sleeve.
Further, the outer diameters of the part matching section and the detecting section are smaller than the outer diameter of the limiting round table, and the outer diameter of the limiting round table is smaller than the inner hole diameter of the auxiliary detection sleeve, so that the extension pin can penetrate through the auxiliary detection sleeve.
Further, the fine inspection seat comprises an insertion pipe and an installation round table arranged on the upper side of the insertion pipe, and the outer diameter of the installation round table is larger than that of the insertion pipe.
Further, the dial indicator mounting hole is formed in the mounting circular table, and the fine detection middle hole penetrates through the fine detection seat along the up-down direction.
Further, the upper portion of the quick-detecting sleeve is provided with a limiting boss.
Further, the through type detection hole is in a step hole shape, the through type detection hole comprises a tolerance observation section and a via hole section which are sequentially arranged from top to bottom, and the inner diameter of the tolerance observation section is smaller than that of the via hole section.
Further, the gauge base comprises a base body and a rotating arm, the rotating arm is connected with the base body in a rotatable mode, and the detection auxiliary sleeve is arranged on the rotating arm.
Further, a mounting hole is formed in the rotating arm, and the detection auxiliary sleeve is embedded in the mounting hole.
Further, the mounting hole is provided on a side of the rotating arm away from the base body.
Further, be provided with mounting groove, retaining member and pivot on the base body, keep away from of swinging boom mounting hole one end with the pivot is articulated, the mounting groove is followed the length direction of swinging boom link up, the retaining member can make keep away from of swinging boom mounting hole one end is fixed in the mounting groove.
The beneficial effects of the utility model are as follows: the precise detection mechanism and the rapid detection sleeve are detachable, different detection modes can be selected according to requirements, when large-batch detection is required, the detection efficiency can be improved on the premise of meeting the detection precision by matching the detection tool base, the extension pin and the rapid detection sleeve, and the rapid detection mechanism is suitable for application scenes of large-batch detection; when accurate detection is required, the detection precision is improved on the premise of meeting the detection efficiency by matching the detection tool base, the extension pin and the fine detection mechanism, and the detection tool is suitable for application scenes with high requirements on the detection precision; and the use is simple and convenient.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic diagram of the structure of the present utility model when it is used in a precise detection mode;
FIG. 2 is an exploded view of the present utility model when used in a precision detection mode;
FIG. 3 is a schematic diagram of the structure of the present utility model when it is used in a rapid detection mode;
FIG. 4 is an exploded view of the present utility model when used in a rapid detection mode;
FIG. 5 is a schematic view of the structure of the gauge base of the present utility model;
FIG. 6 is a schematic view of the structure of the extension pin of the present utility model;
FIG. 7 is an exploded view of the fine inspection mechanism of the present utility model;
FIG. 8 is a schematic cross-sectional view of a precision inspection seat according to the present utility model;
fig. 9 is a schematic cross-sectional view of a quick test cannula of the present utility model.
The figures are marked as follows:
1-an automobile part and 11-a hole to be detected;
2-checking fixture base, 21-checking auxiliary sleeve, 22-base body, 221-locking piece, 222-rotating shaft and 23-rotating arm;
3-extension pins, 31-part matching sections, 32-limit round tables and 33-detection sections;
the device comprises a 4-precision detection mechanism, a 41-dial indicator, a 42-precision detection seat, a 421-precision detection middle hole, a 422-dial indicator mounting hole, a 423-plug tube and a 424-mounting round table;
5-quick detection sleeve, 51-through detection hole, 511-tolerance observation section, 512-via section and 52-limit boss.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-9, an extension tolerance zone gauge in the present embodiment is used for detecting an extension tolerance zone of a hole 11 to be inspected on an automobile part 1, and includes a gauge base 2, an extension pin 3, a fine inspection mechanism 4 and a quick inspection sleeve 5;
a detection auxiliary sleeve 21 is arranged on the gauge base 2, and the detection auxiliary sleeve 21 can move to the position right above the hole 11 to be detected;
the extension pin 3 comprises a part matching section 31, a limiting round table 32 and a detection section 33 which are sequentially arranged from bottom to top; the length of the detecting section 33 is such that when the part matching section 31 is inserted into the hole 11 to be detected, the top of the detecting section 33 protrudes upward from the auxiliary detecting sleeve 21;
the fine detection mechanism 4 comprises a dial indicator 41 and a fine detection seat 42, wherein the lower part of the fine detection seat 42 is detachably and rotatably inserted into the detection auxiliary sleeve 21, a fine detection middle hole 421 for the detection section 33 to pass through is formed in the fine detection seat 42, a dial indicator mounting hole 422 communicated with the fine detection middle hole 421 is further formed in the fine detection seat 42, and the axis of the dial indicator mounting hole 422 is mutually perpendicular to the axis of the fine detection middle hole 421;
the lower part of the quick-test sleeve 5 is detachably inserted into the test auxiliary sleeve 21, and a through-type test hole 51 is provided in the quick-test sleeve 5.
In this embodiment, the outer diameters of the part matching section 31 and the detecting section 33 are smaller than the outer diameter of the limiting round table 32, and the outer diameter of the limiting round table 32 is smaller than the inner hole diameter of the auxiliary detection sleeve 21, so that the extension pin 3 can pass through the auxiliary detection sleeve 21. Since the length of the extension pin 3 is longer than the distance between the automobile part 1 and the detection auxiliary sleeve 21, and the extension pin 3 needs to be installed after the detection auxiliary sleeve 21 moves to just above the hole 11 to be inspected, it is necessary to ensure that the extension pin 3 can pass through the detection auxiliary sleeve 21, preventing the extension pin 3 and the detection auxiliary sleeve 21 from interfering. Furthermore, the limit boss 32 can define the position of the extension pin 3 in the up-down direction after the part matching section 31 is inserted into the hole to be inspected 11.
In this embodiment, the fine inspection seat 42 includes an insertion pipe 423 and an installation round table 424 disposed on an upper side of the insertion pipe 423, where an outer diameter of the installation round table 424 is greater than an outer diameter of the insertion pipe 423. The mounting boss 424 can define the position of the fine inspection seat 42 in the up-down direction on the one hand, can facilitate rotation of the fine inspection seat 42 on the other hand, and can also provide a mounting position for the dial indicator 41. The outer diameter of the insertion tube 423 is matched with the inner diameter of the detection auxiliary sleeve 21, and the inner diameter of the fine detection middle hole 421 is larger than the outer diameter of the detection section 33.
In this embodiment, the dial indicator mounting hole 422 is disposed in the mounting circular table 424, and the fine inspection center hole 421 is vertically penetrating through the fine inspection seat 42.
In this embodiment, a limiting boss 52 is disposed on the upper portion of the quick-detecting sleeve 5.
In this embodiment, the through-type detection hole 51 is in a stepped hole shape, the through-type detection hole 51 includes a tolerance observation section 511 and a via section 512 that are sequentially disposed from top to bottom, and an inner diameter of the tolerance observation section 511 is smaller than an inner diameter of the via section 512. The inner diameter of the via segment 512 is larger than the outer diameter of the test segment 33, enabling the test segment 33 to pass. The inner diameter of the tolerance observation section 511 corresponds to the extended tolerance band required by the part GD & T drawing sheet.
In this embodiment, the gauge base 2 includes a base body 22 and a rotating arm 23, the rotating arm 23 is rotatably connected to the base body 22, and the detection auxiliary sleeve 21 is disposed on the rotating arm 23.
In this embodiment, the rotating arm 23 is provided with a mounting hole, and the detection auxiliary sleeve 21 is embedded in the mounting hole.
In this embodiment, the mounting hole is disposed on a side of the rotating arm 23 away from the base body 22.
In this embodiment, the base body 22 is provided with a mounting groove, a locking member 221 and a rotating shaft 222, one end of the rotating arm 23 far away from the mounting hole is hinged to the rotating shaft 222, the mounting groove runs through along the length direction of the rotating arm 23, and the locking member 221 can enable one end of the rotating arm 23 far away from the mounting hole to be fixed in the mounting groove. The locking member 221 may be a locking bolt or a plug pin, and after the rotating arm 23 rotates into the mounting groove, the rotating arm 23 is fixed by the locking member 221, and the detection auxiliary sleeve 21 is located right above the hole 11 to be detected.
The precise detection mechanism 4 and the rapid detection sleeve 5 are detachable, different detection modes can be selected according to requirements, the extension tolerance band detection tool has a rapid detection mode and a precise detection mode in use, and as shown in fig. 3-4, the method comprises the following steps when the extension tolerance band detection tool is used in the rapid detection mode:
a1, moving and fixing the automobile part 1 to a designated position, rotating a rotating arm 23 of the extension tolerance zone gauge to be right above a hole 11 to be detected on the automobile part 1, and locking the position of the rotating arm 23 through a locking piece 221;
a2, the extension pin 3 passes through the detection auxiliary sleeve 21 from top to bottom, the part matching section 31 is inserted into the hole 11 to be detected until the limit round table 32 is abutted against the automobile part 1, at the moment, the top of the detection section 33 extends upwards out of the detection auxiliary sleeve 21, a gap is reserved between the outer wall of the detection section 33 and the inner wall of the detection auxiliary sleeve 21, and the outer diameter of the part matching section 31 is matched with the inner diameter of the hole 11 to be detected;
a3, inserting the lower part of the quick detection sleeve 5 into a gap between the outer wall of the detection section 33 and the inner wall of the detection auxiliary sleeve 21, observing whether the outer wall of the detection section 33 is in contact with the inner wall of the tolerance observation section 511, if so, judging that the extension tolerance zone of the hole 11 to be detected on the automobile part 1 is unqualified, and if not, judging that the extension tolerance zone of the hole 11 to be detected on the automobile part 1 is qualified.
As shown in fig. 1-2, when the extended tolerance band gauge is used in a precision measurement mode, the method comprises the following steps:
b1, moving and fixing the automobile part 1 to a designated position, rotating a rotating arm 23 of the extension tolerance zone gauge to be right above a hole 11 to be detected on the automobile part 1, and locking the position of the rotating arm 23 through a locking piece 221;
b2, the extension pin 3 passes through the detection auxiliary sleeve 21 from top to bottom, the part matching section 31 is inserted into the hole 11 to be detected until the limit round table 32 is abutted against the automobile part 1, at the moment, the top of the detection section 33 extends upwards out of the detection auxiliary sleeve 21, a gap is reserved between the outer wall of the detection section 33 and the inner wall of the detection auxiliary sleeve 21, and the outer diameter of the part matching section 31 is matched with the inner diameter of the hole 11 to be detected;
b3, inserting the lower part of the fine detection seat 42 into the gap between the outer wall of the detection section 33 and the inner wall of the detection auxiliary sleeve 21, inserting the zero-passing dial indicator 41 into the dial indicator mounting hole 422, thereby connecting the dial indicator 41 with the fine detection seat 42, enabling the end part of the dial indicator 41 to extend into the fine detection middle hole 421 along the radial direction of the fine detection middle hole 421, enabling the detection section 33 to extend into the fine detection middle hole 421 along the axial direction of the fine detection middle hole 421, rotating the fine detection seat 42 for a circle, recording the maximum display value of the dial indicator 41, and judging whether the extension tolerance zone of the hole 11 to be detected on the automobile part 1 is qualified or not according to the maximum display value.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. An extension tolerance zone examines utensil for detect wait to examine hole (11) extension tolerance zone on auto parts (1), its characterized in that: comprises a gauge base (2), an extension pin (3), a fine detection mechanism (4) and a quick detection sleeve (5);
the detection tool base (2) is provided with a detection auxiliary sleeve (21), and the detection auxiliary sleeve (21) can move to the position right above the hole (11) to be detected;
the extension pin (3) comprises a part matching section (31), a limiting round table (32) and a detection section (33) which are sequentially arranged from bottom to top; the length of the detection section (33) is such that when the part matching section (31) is inserted into the hole (11) to be detected, the top of the detection section (33) protrudes upwards from the detection auxiliary sleeve (21);
the fine detection mechanism (4) comprises a dial indicator (41) and a fine detection seat (42), wherein the lower part of the fine detection seat (42) is detachably and rotationally inserted into the detection auxiliary sleeve (21), a fine detection middle hole (421) for allowing the detection section (33) to pass through is formed in the fine detection seat (42), a dial indicator mounting hole (422) communicated with the fine detection middle hole (421) is further formed in the fine detection seat (42), and the axis of the dial indicator mounting hole (422) is mutually perpendicular to the axis of the fine detection middle hole (421);
the lower part of the quick detection sleeve (5) is detachably inserted into the detection auxiliary sleeve (21), and a through type detection hole (51) is formed in the quick detection sleeve (5).
2. The extension tolerance band gauge of claim 1, wherein: the outer diameters of the part matching section (31) and the detection section (33) are smaller than the outer diameter of the limiting round table (32), and the outer diameter of the limiting round table (32) is smaller than the inner hole diameter of the detection auxiliary sleeve (21), so that the extension pin (3) can penetrate through the detection auxiliary sleeve (21).
3. The extension tolerance band gauge of claim 1, wherein: the fine detection seat (42) comprises an insertion pipe (423) and a mounting round table (424) arranged on the upper side of the insertion pipe (423), and the outer diameter of the mounting round table (424) is larger than that of the insertion pipe (423).
4. The extension tolerance band gauge of claim 3, wherein: the dial indicator mounting hole (422) is arranged in the mounting round table (424), and the fine detection middle hole (421) penetrates through the fine detection seat (42) along the up-down direction.
5. The extension tolerance band gauge of claim 1, wherein: and a limiting boss (52) is arranged on the upper part of the quick detection sleeve (5).
6. The extension tolerance band gauge of claim 1, wherein: the through type detection hole (51) is in a stepped hole shape, the through type detection hole (51) comprises a tolerance observation section (511) and a via hole section (512) which are sequentially arranged from top to bottom, and the inner diameter of the tolerance observation section (511) is smaller than that of the via hole section (512).
7. The extension tolerance band gauge of claim 1, wherein: the gauge base (2) comprises a base body (22) and a rotating arm (23), wherein the rotating arm (23) is rotatably connected with the base body (22), and the detection auxiliary sleeve (21) is arranged on the rotating arm (23).
8. The extension tolerance band gauge of claim 7, wherein: and the rotating arm (23) is provided with a mounting hole, and the detection auxiliary sleeve (21) is embedded in the mounting hole.
9. The extension tolerance band gauge of claim 8, wherein: the mounting hole is arranged on one side of the rotating arm (23) far away from the base body (22).
10. The extension tolerance band gauge of claim 8, wherein: the base body (22) is provided with a mounting groove, a locking piece (221) and a rotating shaft (222), one end, far away from the mounting hole, of the rotating arm (23) is hinged with the rotating shaft (222), the mounting groove is communicated with the rotating arm (23) along the length direction of the rotating arm, and the locking piece (221) can enable one end, far away from the mounting hole, of the rotating arm (23) to be fixed in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320088010.XU CN219083948U (en) | 2023-01-30 | 2023-01-30 | Extension tolerance zone gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320088010.XU CN219083948U (en) | 2023-01-30 | 2023-01-30 | Extension tolerance zone gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219083948U true CN219083948U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320088010.XU Active CN219083948U (en) | 2023-01-30 | 2023-01-30 | Extension tolerance zone gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219083948U (en) |
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2023
- 2023-01-30 CN CN202320088010.XU patent/CN219083948U/en active Active
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |