CN210208510U - Straight pipe rivet piercing guide structure - Google Patents
Straight pipe rivet piercing guide structure Download PDFInfo
- Publication number
- CN210208510U CN210208510U CN201920967855.XU CN201920967855U CN210208510U CN 210208510 U CN210208510 U CN 210208510U CN 201920967855 U CN201920967855 U CN 201920967855U CN 210208510 U CN210208510 U CN 210208510U
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- China
- Prior art keywords
- guide
- rivet
- cross
- section
- straight pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a straight pipe rivet piercing guide structure, which comprises a guide seat and a guide needle, wherein the lower end of the guide needle is provided with a guide rod, a support surface for supporting the straight pipe rivet is formed between the guide rod and the guide needle, and the guide seat is provided with a guide hole for the guide rod to pass through in a sliding way and limiting the straight pipe rivet to enter; on the same cross section of the guide rod, the distance from the intersection point of the guide needle central shaft and the cross section to the farthest point on the outer contour of the cross section is greater than the outer radius of the straight tube rivet, the distance from the intersection point of the guide needle central shaft and the cross section to the nearest point on the outer contour of the cross section is smaller than the inner radius of the straight tube rivet, and the shape of the guide hole is matched with the shape of the cross section of the guide rod. Adopt above-mentioned technical scheme, the utility model provides a drift bolt guide structure of straight tube rivet, it can be with the straight tube rivet well leading-in rivet on the work piece downthehole to can prevent in it gets into the guiding hole along with the guide pin, the wholeness can be stable, greatly reduced manufacturing cost.
Description
Technical Field
The utility model relates to a drift bolt guider, in particular to drift bolt guide structure of straight tube rivet.
Background
At present, rivets adopted in the market comprise a straight pipe rivet body, one end of the straight pipe rivet body extends outwards to form a flanging, a rivet penetrating guide structure adopted by the rivet comprises a cylindrical guide needle and a guide seat, the guide seat is provided with a circular guide hole for the guide needle to pass through, the guide needle is arranged in the guide seat in a penetrating way, when guiding, the rivet falls into a workpiece from the upper part of the workpiece, the guide needle passes through a rivet hole on the workpiece from bottom to top and is inserted into the straight pipe rivet body, then the rivet is guided into the rivet hole, due to the arrangement of the flanging structure, the flanging can be hung on the workpiece, so that the rivet can not enter the guide hole, however, the rivet needs to be processed on the straight pipe rivet body in advance to form the flanging, the using amount of the rivet is very large, sometimes, one workpiece needs to rivet several or even more rivets, so that the integral production cost is high, and the straight pipe rivet is directly, because it does not have the turn-ups, the rivet wall is thin, and the rivet can drop into in the guiding hole along with the guide pin, leads to the drift bolt failure, and the rejection rate is high.
Disclosure of Invention
The utility model aims at: in order to overcome prior art's defect, the utility model provides a drift bolt guide structure of straight tube rivet, it can be with the straight tube rivet well leading-in rivet on the work piece downthehole to can prevent in it gets into the guiding hole along with the guide pin, the wholeness can be stable, greatly reduced manufacturing cost.
The technical scheme of the utility model: the utility model provides a drift bolt guide structure of straight tube rivet, including the guide holder, be used for inserting the direction needle of straight tube rivet, the external diameter of direction needle is less than the internal diameter of straight tube rivet, its characterized in that: the lower end of the guide needle is provided with a guide rod, a supporting surface for supporting the straight pipe rivet is formed between the guide rod and the guide needle, and a guide hole through which the guide rod can slide and can limit the straight pipe rivet to enter is formed in the guide seat; on the same cross section of the guide rod, the distance from the intersection point of the guide needle central shaft and the cross section to the farthest position on the outer contour of the cross section is larger than the outer radius of the straight pipe rivet, the distance from the intersection point of the guide needle central shaft and the cross section to the nearest position on the outer contour of the cross section is smaller than the inner radius of the straight pipe rivet, and the cross section shape of the guide hole is matched with the cross section shape of the guide rod.
By adopting the technical scheme, during guiding, the guide seat is positioned below the workpiece, the guide needle and the guide rod penetrate into a rivet hole on the workpiece from bottom to top, the guide needle is positioned above the workpiece, the support surface at the upper end of the guide rod also extends out of the rivet hole, the straight pipe rivet falls from the upper part of the workpiece and is sleeved on the guide needle, the support surface is used for supporting the straight pipe rivet, the straight pipe rivet cannot slide down along the guide rod, the farthest distance from the intersection point of the central shaft of the guide needle and the cross section to the outer contour of the cross section is greater than the outer radius of the straight pipe rivet on the same cross section of the guide rod, then the guide rod and the guide needle are controlled to descend, and the straight pipe rivet descends along with the support surface, so that the lower end of the straight pipe rivet cannot be contacted with the workpiece to generate collision during guiding; when the straight pipe rivet is lowered to the position of the guide hole, the distance from the intersection point of the central shaft of the guide needle and the cross section to the nearest point on the outer contour of the cross section is smaller than the inner radius of the straight pipe rivet, and the shape of the guide hole is matched with that of the guide rod, so that the straight pipe rivet can be blocked by the guide hole, and the straight pipe rivet is left in the rivet hole so as to be convenient for subsequent riveting operation. Therefore, the straight pipe rivet penetrating guide structure can well guide the straight pipe rivet into the rivet hole on the workpiece, can prevent the straight pipe rivet from entering the guide hole along with the guide needle, has stable overall performance, and greatly reduces the production cost.
The utility model discloses a further setting: the cross section of the guide hole is surrounded by a circular arc edge and at least one straight edge.
The cross section of the guide hole is polygonal or elliptical.
By adopting the above further arrangement, the shape of the guide hole can be set automatically according to the requirement, and the guide hole is convenient to process.
The utility model discloses a still further set up: the top end of the guide needle is arranged in a conical shape.
By adopting the above further arrangement, the conical top end design can facilitate the guide needle to be introduced into the straight pipe rivet, and a certain guiding effect can be achieved.
The utility model discloses a still further set up: the guide needle and the guide rod are coaxially and integrally arranged.
By adopting the above further arrangement, the whole machine is convenient to process, and the machine has good stability and is not easy to incline when guiding.
Drawings
FIG. 1 is a drawing showing the structure of the rivet guide of the present invention in cooperation with a workpiece and a straight pipe rivet;
FIG. 2 is a view showing the structure of the guide rod and the guide pin according to the embodiment of the present invention;
FIG. 3 is a structural diagram of a guide seat according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a pilot hole according to an embodiment of the present invention;
FIG. 5 is a block diagram of another embodiment of the present invention in which the cross-section of the pilot hole has another shape;
FIG. 6 is a cross-sectional view of a straight tube rivet;
fig. 7 is a cross-sectional structure view of the guide bar according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-7, a straight pipe rivet threading guide structure comprises a guide base 1 and a guide pin 3 for inserting a straight pipe rivet 2, wherein the outer diameter of the guide pin 3 is smaller than the inner diameter of the straight pipe rivet 2, a guide rod 4 is arranged at the lower end of the guide pin 3, a support surface 41 for supporting the straight pipe rivet 2 is formed between the guide rod 4 and the guide pin 3, and a guide hole 11 for the guide rod 4 to slide through and limit the straight pipe rivet 2 to enter is arranged on the guide base 1; on the same cross section of the guide rod 4, the farthest distance D1 from the intersection point of the central axis of the guide needle 3 and the cross section to the outer contour of the cross section is greater than the outer radius R of the straight tube rivet 2, the closest distance D2 from the intersection point of the central axis of the guide needle 3 and the cross section to the outer contour of the cross section is smaller than the inner radius R of the straight tube rivet 2, namely the cross section of the guide rod 4 is non-circular, the cross section shape of the guide hole 11 is matched with the cross section shape of the guide rod 4, the guide needle 3 and the guide rod 4 are coaxially and integrally arranged, and of course, the guide rod 4 and the guide needle 3 can be connected in a split processing mode and then in a welding mode.
As shown in fig. 4 to 7, the following may be adopted for the shape of the guide hole 11: (1) the cross section of the guide hole 11 is surrounded by an arc edge and at least one straight edge; (2) the cross section of the guide hole 11 is polygonal, such as triangular, rectangular and the like; (3) the cross-sectional shape of the guide hole 11 is an ellipse, but may be provided in other shapes as needed. The embodiment of the present invention provides an embodiment, the cross-sectional shape of the guiding hole 11 is enclosed by two circular arc edges 111, 112 and two straight edges 113, 114, the two straight edges 113, 114 are symmetrically arranged, and the two circular arc edges 111, 112 are symmetrically connected between the two straight edges 113, 114. In the embodiment of the present invention, the cross section is perpendicular to the axial surface of the guide pin 3.
The utility model discloses in the embodiment, the top 31 of guide pin 3 is the toper setting, and conical top 31 design can be convenient for introduce straight tube rivet 2 with guide pin 3 in, can play certain guide effect.
During guiding, the guide seat 1 is positioned below the workpiece 5, the guide pin 3 and the guide rod 4 penetrate into a rivet hole 51 on the workpiece 5 from bottom to top, the guide pin 3 is positioned above the workpiece 5, the support surface 41 at the upper end of the guide rod 4 also extends out of the rivet hole 51, the straight pipe rivet 2 falls into the guide pin 3 from the upper side of the workpiece 5 and is sleeved on the support surface 41, the straight pipe rivet 2 is supported by the support surface 41, the straight pipe rivet 2 cannot slide down along the guide rod 4, because the farthest distance D1 from the intersection point of the central shaft of the guide pin 3 and the cross section to the outer contour of the cross section is larger than the outer radius R of the straight pipe rivet 2 on the same cross section of the guide rod 4, the guide pin 4 and the guide pin 3 are controlled to descend, the straight pipe rivet 2 descends along with the support surface, so that the lower end of the straight pipe rivet 2 cannot be contacted with the workpiece 5, The stability is higher; when the straight pipe rivet 2 descends to the position of the guide hole, the distance D2 from the intersection point of the central shaft of the guide needle 3 and the cross section to the nearest distance D on the outer contour of the cross section is smaller than the outer radius r of the straight pipe rivet 2, and the shape of the guide hole 11 is matched with the shape of the cross section of the guide rod 4, so that the guide hole 11 can block the straight pipe rivet 2 from entering, and the straight pipe rivet 2 is left in the rivet hole to be convenient for subsequent riveting operation. Therefore, the straight pipe rivet 2 piercing guide structure with the structure can well guide the straight pipe rivet 2 into the rivet hole in the workpiece 5, can prevent the straight pipe rivet 2 from entering the guide hole along with the guide needle 3, has stable overall performance, and greatly reduces the production cost.
Claims (6)
1. The utility model provides a drift bolt guide structure of straight tube rivet, including the guide holder, be used for inserting the direction needle of straight tube rivet, the external diameter of direction needle is less than the internal diameter of straight tube rivet, its characterized in that: the lower end of the guide needle is provided with a guide rod, a supporting surface for supporting the straight pipe rivet is formed between the guide rod and the guide needle, and a guide hole through which the guide rod can slide and can limit the straight pipe rivet to enter is formed in the guide seat; on the same cross section of the guide rod, the distance from the intersection point of the guide needle central shaft and the cross section to the farthest position on the outer contour of the cross section is larger than the outer radius of the straight pipe rivet, the distance from the intersection point of the guide needle central shaft and the cross section to the nearest position on the outer contour of the cross section is smaller than the inner radius of the straight pipe rivet, and the cross section shape of the guide hole is matched with the cross section shape of the guide rod.
2. The piercing guide structure for a straight pipe rivet according to claim 1, characterized in that: the cross section of the guide hole is surrounded by a circular arc edge and at least one straight edge.
3. The piercing guide structure for a straight pipe rivet according to claim 1, characterized in that: the cross section of the guide hole is polygonal or elliptical.
4. A piercing guide for a straight pipe rivet according to claim 1, 2 or 3, characterized in that: the guide needle and the guide rod are coaxially and integrally arranged.
5. A piercing guide for a straight pipe rivet according to claim 1, 2 or 3, characterized in that: the top end of the guide needle is arranged in a conical shape.
6. The piercing guide structure for a straight pipe rivet according to claim 4, characterized in that: the top end of the guide needle is arranged in a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967855.XU CN210208510U (en) | 2019-06-25 | 2019-06-25 | Straight pipe rivet piercing guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967855.XU CN210208510U (en) | 2019-06-25 | 2019-06-25 | Straight pipe rivet piercing guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210208510U true CN210208510U (en) | 2020-03-31 |
Family
ID=69933866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920967855.XU Withdrawn - After Issue CN210208510U (en) | 2019-06-25 | 2019-06-25 | Straight pipe rivet piercing guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210208510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227791A (en) * | 2019-06-25 | 2019-09-13 | 浙江汇聚自动化设备有限公司 | A kind of drift bolt guide frame of straight tube rivet |
-
2019
- 2019-06-25 CN CN201920967855.XU patent/CN210208510U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227791A (en) * | 2019-06-25 | 2019-09-13 | 浙江汇聚自动化设备有限公司 | A kind of drift bolt guide frame of straight tube rivet |
| CN110227791B (en) * | 2019-06-25 | 2024-02-09 | 浙江汇聚自动化设备有限公司 | Penetrating nail guiding structure of straight pipe rivet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200331 Effective date of abandoning: 20240209 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200331 Effective date of abandoning: 20240209 |