CN218179812U - Piston outer diameter detection tool - Google Patents
Piston outer diameter detection tool Download PDFInfo
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- CN218179812U CN218179812U CN202221357781.6U CN202221357781U CN218179812U CN 218179812 U CN218179812 U CN 218179812U CN 202221357781 U CN202221357781 U CN 202221357781U CN 218179812 U CN218179812 U CN 218179812U
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Abstract
The utility model discloses a piston external diameter detection tool, including the tool body to and locate the test channel on the tool body, test channel includes first test channel, and second test channel, and the structure of widening of first test channel of intercommunication and second test channel, the width of first test channel is the maximum limit size of car valve piston, and the width of second test channel is the minimum limit size of car valve piston, the utility model discloses car valve piston gets into first test channel during the detection, gets into second test channel after widening the structure, has improved detection efficiency and precision, and widens the structure through setting up, can be more clear audio-visual distinguish the testing result of car valve piston when through first test channel and second test channel to reduce the friction with the tool body when detecting, reduce the fish tail and increased the through-speed, and then reduced the defective products, the cost is reduced.
Description
[ technical field ] A
The utility model relates to a piston manufacturing technical field especially relates to a piston outside diameter detection tool.
[ background of the invention ]
The VALVE PISTON (VALVE PISTON) is one of the precision parts applied to the automobile, so the requirement on the outer diameter precision of the VALVE PISTON is very high, but the outer diameter detection jig of the VALVE PISTON at present has low precision and detection efficiency, and the VALVE PISTON is easy to scratch, so that a defective product is generated, and the cost is increased.
[ Utility model ] content
For solving the problem that above-mentioned car valve piston external diameter detected, the utility model provides a piston external diameter detection tool not only can short-term test car valve piston external diameter, and the precision is high moreover, is difficult for fish tail valve piston.
The utility model discloses realized by following technical scheme:
the utility model provides a piston external diameter detection tool, includes the tool body, and locates the test channel on the tool body, the test channel includes first test channel, second test channel, and intercommunication first test channel with the structure of widening of second test channel, the width of first test channel is the biggest limit size of car valve piston, the width of second test channel is the minimum limit size of car valve piston.
According to the piston outer diameter detection jig, the width of the widening structure is larger than the width of the first detection channel and the width of the second detection channel.
According to the piston outer diameter detection jig, the width of the first detection channel is larger than that of the second detection channel.
According to the piston outer diameter detection jig, the detection channel penetrates through the upper end face, the lower end face and a side face of the jig body.
According to the piston outer diameter detection jig, the end part of the jig body is provided with the opening end which is communicated with the first detection channel and the outside of the jig body, and the first detection channel, the widening structure and the second detection channel are sequentially communicated along the length direction of the jig body.
According to the piston outer diameter detection jig, the guide chamfer enabling the width of the guide chamfer to gradually widen along the direction from the first detection channel to the outside of the jig body is arranged on the opening end.
According to the piston outer diameter detection jig, the widening structure comprises a first widening structure connecting the side wall of the first detection channel and the side wall of the second detection channel; and/or a second widening that connects another side wall of the first detection channel with another side wall of the second detection channel.
According to the piston outer diameter detection jig, the first widening structure and the second widening structure are arc-shaped.
According to the piston outer diameter detection jig, the connection positions of the widening structure and the first detection channel and the second detection channel are respectively provided with a circular bead.
According to the piston outer diameter detection jig, the length of the detection channel is smaller than half of the length of the jig body.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model provides a piston external diameter detection tool, car valve piston get into first detection channel in order to detect its maximum limit width, get into the minimum limit width of second detection channel in order to detect car valve piston after widening the structure, have improved detection efficiency and precision.
2. And widen the structure as the switching structure between first test passage and the second test passage through the setting, can more clearly audio-visual discernment car valve piston the testing result when passing through first test passage and second test passage to reduce the friction with the tool body when detecting, reduce the fish tail and increased the speed of passing through, and then reduced the defective products, the cost is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a sectional view of the top view of the present invention;
fig. 3 is a schematic perspective view of the second embodiment of the present invention;
FIG. 4 is a schematic view of the workpiece detection state of the present invention;
fig. 5 is a schematic diagram of the state of the detecting device for detecting the workpiece according to the present invention.
[ detailed description ] A
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In a specific embodiment, as shown in fig. 1 to 5, a piston outer diameter detection jig includes a jig body 1 and a detection channel 2 disposed on the jig body 1, where the detection channel 2 includes a first detection channel 3, a second detection channel 4, and an widening structure 5 communicating the first detection channel 3 with the second detection channel 4, where the width of the first detection channel 3 is the maximum limit size of the automobile valve piston 10, the width of the second detection channel 4 is the minimum limit size of the automobile valve piston 10, the automobile valve piston 10 enters the first detection channel 3 to detect the maximum limit width thereof, and after the widening structure 5 enters the second detection channel 4 to detect the minimum limit width of the automobile valve piston 10, detection efficiency and precision are improved, and by setting the widening structure 5 as a switching structure between the first detection channel 3 and the second detection channel 4, the detection result of the automobile valve piston 10 passing through the first detection channel 3 and the second detection channel 4 can be clearly and visually distinguished, and the detection result of the piston outer diameter detection with the detection channel 1 is reduced, and the scratch cost of the jig is reduced.
Further, the width of the widening structure 5 is greater than the width of the first detection channel 3 and the width of the second detection channel 4, so that when the automobile valve piston 10 enters the second detection channel 4 through the first detection channel 3, the contact friction with the jig body 1 can be reduced, the passing speed is increased, the detection efficiency is improved, and the scratch is reduced.
Furthermore, the width of the first detection channel 3 is greater than the width of the second detection channel 4, and the width difference between the first detection channel 3 and the second detection channel 4 is the error range of the outer diameter of the automobile valve piston 10, so that the automobile valve piston 10 with qualified outer diameter can be quickly detected, and the device is simple in structure and convenient to operate.
Specifically, the detection channel 2 runs through the upper end face and the lower end face of the jig body 1 and a side face, when the automobile valve piston 10 is detected, only the part, needing to be detected, of the automobile valve piston 10 enters the detection channel 2, other parts are located outside the jig body 1, the structure is simple, friction can be reduced, and detection efficiency is improved.
More specifically, 1 tip of tool body is equipped with the intercommunication first detecting channel 3 with 1 outside open end 11 of tool body, first detecting channel 3 widen structure 5 second detecting channel 4 is followed 1 length direction of tool communicates in proper order, and car valve piston 10 follows when examining open end 11 slides in and passes through in proper order first detecting channel 3 widen structure 5 second detecting channel 4, convenient operation detects fastly.
In addition, the opening end 11 is provided with a guide chamfer 6 which enables the width of the opening end to gradually widen along the direction from the first detection channel 3 to the outside of the jig body 1, and the guide chamfer 6 is used for guiding the automobile valve piston 10 to slide into the first detection channel 3, so that the collision friction between the automobile valve piston 10 and the jig body 1 during detection is reduced.
And, said widening structure 5 comprises a first widening structure 7 connecting the side walls of said first detection channel 3 and said second detection channel 4; and/or connect another lateral wall of first detection channel 3 with the second of another lateral wall of second detection channel 4 widens structure 8, when setting up alone first widening structure 7 or second widens structure 8, car valve piston 10 can pass through fast and reduce friction and collision, when setting up simultaneously first widening structure 7 with second widens structure 8 the width of widening structure 5 is bigger, can further reduce car valve piston 10 with the friction of tool body 1, pass through fast.
Further, first widen structure 7 the second is widened structure 8 and is circular-arc, and the detection site of car valve piston 10 is cylindric, when examining, if car valve piston 10 lateral wall with widen the contact of structure 5, can with widen the laminating of the circular-arc lateral wall of structure 5, reduce friction and collision further, prevent the fish tail.
Furthermore, the widening structure 5 and the joint of the first detection channel 3 and the second detection channel 4 are respectively provided with a round corner 9, and the round corners 9 are simple in structure and can prevent the automobile valve piston 10 from being scratched when contacting the automobile valve piston 10.
Specifically, the length of the detection channel 2 is less than half of the length of the jig body 1, so that fixed detection or handheld detection is facilitated.
The utility model also comprises a detection device, which comprises a device base 12, is arranged on the detection support 13 on the device base 12, and is arranged on the detection support 13, the jig body 1 is arranged on the detection support 13, the automobile valve piston 10 is arranged during detection on the device base 9, when the jig body 1 detects the external diameter of the automobile valve piston 10, the detection device can also pass through the length from the bottom surface to the top end of the automobile valve piston 10 detected by the dial indicator 11.
The working principle of the embodiment is as follows:
the automotive valve piston 10 slides from said open end 11 into said first detection channel 3,
when the automobile valve piston cannot pass through the first detection channel 3, the outer diameter of the automobile valve piston 10 is slightly larger, and the automobile valve piston 10 is unqualified;
when the automobile valve piston passes through the first detection channel 3 and the second detection channel 4, the outer diameter of the automobile valve piston 10 is smaller, and the automobile valve piston 10 is unqualified;
when the automobile valve piston passes through the first detection channel 3 and cannot pass through the second detection channel 4, the outer diameter of the automobile valve piston 10 is within an error range, and the automobile valve piston 10 is qualified;
the width of the widening structure 5 is larger than the outer diameter of the automobile valve piston 10, so that the automobile valve piston 10 can reduce contact when passing through, and the passing speed is improved.
1. The utility model provides a piston external diameter detection tool, car valve piston 10 gets into first detecting channel 3 gets into after widening the structure in order to detect its maximum limit width second detecting channel 4 has improved detection efficiency and precision in order to detect car valve piston 10's minimum limit width.
2. And through setting up widen the structure 5 as the switching structure between first detecting channel 3 and the second detecting channel 4, can be more clear audio-visual distinguish car valve piston 10 passing first detecting channel 3 with the testing result of second detecting channel 4 to reduce the friction with the tool body when detecting, reduce the fish tail and increase the speed of passing through, and then reduced the defective products, the cost is reduced.
The above description is provided for an embodiment of the present invention, and the embodiments of the present invention are not limited to the above description, and are not limited to the above nomenclature or the english nomenclature since the trade nomenclature is different. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a piston outer diameter detection tool which characterized in that: including tool body (1), and locate detection channel (2) on tool body (1), detection channel (2) are including first detection channel (3), second detection channel (4), and intercommunication first detection channel (3) with widening structure (5) of second detection channel (4), the width of first detection channel (3) is the biggest limit size of car valve piston, the width of second detection channel (4) is the minimum limit size of car valve piston.
2. The piston outer diameter detection jig according to claim 1, characterized in that the width of the widening structure (5) is larger than the width of the first detection channel (3) and the width of the second detection channel (4).
3. The piston outer diameter detection jig is characterized in that the width of the first detection channel (3) is larger than that of the second detection channel (4).
4. The piston outer diameter detection jig according to claim 1, characterized in that the detection channel (2) penetrates through the upper and lower end faces and a side face of the jig body (1).
5. The piston outer diameter detection jig according to claim 1, characterized in that an opening end (11) for communicating the first detection channel (3) with the outside of the jig body (1) is arranged at an end of the jig body (1), and the first detection channel (3), the widening structure (5) and the second detection channel (4) are sequentially communicated along the length direction of the jig body (1).
6. A piston outer diameter detection jig according to claim 5, characterized in that the opening end (11) is provided with a guide chamfer (6) which enables the width of the guide chamfer to gradually widen along the direction from the first detection channel (3) to the outside of the jig body (1).
7. A piston outer diameter detection jig according to claim 1, characterized in that the widening (5) comprises a first widening (7) connecting the side wall of the first detection channel (3) and the side wall of the second detection channel (4); and/or a second widening (8) connecting the other side wall of the first detection channel (3) with the other side wall of the second detection channel (4).
8. The piston outer diameter detection jig according to claim 7, characterized in that the first widening structure (7) and the second widening structure (8) are arc-shaped.
9. The piston outer diameter detection jig is characterized in that the connection positions of the widening structures (5) and the first detection channels (3) and the second detection channels (4) are respectively provided with a fillet (9).
10. The piston outer diameter detection jig according to claim 1, characterized in that the length of the detection channel (2) is less than half of the length of the jig body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357781.6U CN218179812U (en) | 2022-05-31 | 2022-05-31 | Piston outer diameter detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357781.6U CN218179812U (en) | 2022-05-31 | 2022-05-31 | Piston outer diameter detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218179812U true CN218179812U (en) | 2022-12-30 |
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ID=84609624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221357781.6U Active CN218179812U (en) | 2022-05-31 | 2022-05-31 | Piston outer diameter detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218179812U (en) |
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2022
- 2022-05-31 CN CN202221357781.6U patent/CN218179812U/en active Active
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