CN204239412U - Detachable locking pulling rivet - Google Patents
Detachable locking pulling rivet Download PDFInfo
- Publication number
- CN204239412U CN204239412U CN201420685661.8U CN201420685661U CN204239412U CN 204239412 U CN204239412 U CN 204239412U CN 201420685661 U CN201420685661 U CN 201420685661U CN 204239412 U CN204239412 U CN 204239412U
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- CN
- China
- Prior art keywords
- section
- rivet
- collar
- locking
- crotch section
- 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- Withdrawn - After Issue
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- Insertion Pins And Rivets (AREA)
- Connection Of Plates (AREA)
Abstract
Detachable locking riveting pulling rivet.The collar has the crotch section of thin-walled, heavy wall to lock section from front to back and has the collar head of ring-shaped step.Rivet have from front to back the ailhead of the annular groove coordinated with crotch section, front polished rod section, with locking section coordinate knurled segment, separating vessel, rear polished rod and with afterbody annular groove section.With the two-sided riveted joint that rivet and the collar insert from two sides, riveting gestalt one-tenth locking section and knurled segment radial direction are locked and crotch section is hook-shaped fastens axial locking.With being furnished with the Simple detachable instruments such as front snap ring, draw ring and centered cylinder, just can fast by rivet dismounting after riveted joint.Solve low by screw intensity between the existing sheet metal that need dismantle and non-metal board, easily come off, the problems such as conventional rivets is not quick detachable.Connect more safe and reliable.Can realize cold-heading batch production, easy for installation, simple to operate, without exhaust emission pollution.Convenient disassembly, later maintenance are good.Can be used for the sheet metal such as steel, aluminium of automobile, railway vehicle, and the riveted joint of carbon fiber, composite sheet etc.
Description
(1) technical field: the detachable locking pulling rivet of the utility model, relates to a kind of technology of detachable pulling rivet.Belong to riveted joint class (B21J) and the fastening piece class (F16B) of metal machining.
(2) background technique:
The wallboard of railway freight-car box car is by the sheet metal of outside and forming for the composite board fitted up of internal layer.And because of the composite sheet of finishing have often dismounting may, so the existing this sheet metal that need dismantle is still screw with the main method be connected between non-metal board plate, although screw connects detachable, join strength is low, easily loosen, and easily comes off under goods collision.
Connect according to pulling rivet common between existing two sheet metals being connected between this sheet metal that need dismantle with non-metal board, first under powerful rivet force effect, composite board just crushes easily.Even if if in riveted joint, if desired also very difficult during dismounting.
(3) summary of the invention:
The detachable locking pulling rivet that the utility model proposes, its object is exactly solve the existing sheet metal that need dismantle to be connected a difficult problem with between non-metal board.
Technological scheme is as follows:
Detachable locking pulling rivet, comprises rivet and the collar, and rivet back segment is separating vessel, rear polished rod and the afterbody annular groove section with riveting machine clamping; It is characterized in that:
1) collar comprises the crotch section of the thin walled cylinder connected in turn from front to back, the locking section of thick walled cylinder and collar head, and there is the ring-shaped step for dismantling at collar head front-end face edge, and collar head adopts round end or tack.Crotch section thin walled cylinder adopts external diameter, central diameter or internal diameter equal with the straight of locking section thick walled cylinder through relative size.2) rivet leading portion comprises the ailhead connected in turn from front to back, front polished rod section, extrudes with locking section the knurled segment coordinated; The annular groove of form fit after ailhead two trailing flank has and is out of shape with collar crotch section.3) knurled segment length is greater than crotch segment length; Crotch section deformation intensity is less than knurled segment locking intensity.
The utility model beneficial effect:
1) rivet safe and reliable: the collar adopt thin-walled crotch section and heavy wall locking segment structure, realize radial-axial locking riveted joint, not easily loosen, come off.2) production technology is simple, cost is low: pulling rivet can realize cold-heading batch production.3) easy for installation, simple to operate: Special riveting instrument, can complete installation in 10 seconds, workman only needs of short duration training.4) installation process is without pollutions such as waste gas.5) convenient disassembly, later maintenance is good: because of design dismounting step, and design knurled segment length is greater than crotch section, and crotch section deformation intensity is less than knurled segment locking intensity and ensures that dismounting reliably completes.Use hand hydraulic tool just can complete dismounting in 10 seconds.Realize for convenience detach, later maintenance is good.6) applied range, can complete the connection of multiple material: can be used for the steel plate of the industries such as automobile, railway vehicle, building, urban construction, aluminium sheet or other sheet metals; And the riveted joint of the various material such as carbon fiber, glass epoxy, composite board.
(4) accompanying drawing explanation
Fig. 1 rivet 1 single-piece figure
Fig. 2 collar 2 diagram (collar head is round end 2.32).
Fig. 3 collar 2 diagram (collar head is tack 2.33).
Fig. 4 Fig. 2 or Fig. 3 partial enlarged drawing A: crotch section is equal with locking section external diameter.
Fig. 5 Fig. 2 or Fig. 3 partial enlarged drawing A: crotch section is equal with locking section central diameter.
Fig. 6 Fig. 2 or Fig. 3 partial enlarged drawing A: crotch section is equal with locking section internal diameter.
Fig. 7 rivets first step diagram.
Fig. 8 rivets second step diagram.
Fig. 9 rivets the 3rd step diagram.
Figure 10 rivets the 4th step diagram.
Figure 11 extracting tool 6 structural representation and dismounting first step diagram.
Figure 12 dismantles second step diagram.
(5) embodiment
The detachable locking pulling rivet of the present embodiment:
Comprise rivet 1 and the collar 2, see Fig. 2, Fig. 3, the collar 2 comprises the crotch section 2.1 of the thin walled cylinder connected in turn from front to back, the locking section 2.2 of thick walled cylinder and collar head 2.3, and there is the ring-shaped step 2.31 for dismantling at collar head front-end face edge.Collar head can adopt round end 2.32 (see Fig. 2) or collar head to adopt tack 2.33 (see Fig. 3).See Fig. 1, rivet 1 comprises the ailhead 1.1 connected in turn from front to back, front polished rod section 1.2, extrudes with locking section the knurled segment 1.3, separating vessel 1.4, rear polished rod 1.5 and the afterbody annular groove section 1.6 with riveting machine clamping that coordinate.The annular groove 1.11 of form fit after ailhead two trailing flank has and is out of shape with collar crotch section.See Fig. 4, crotch section 2.1 thin walled cylinder can adopt outer diameter D 1 equal with the straight warp of locking section 2.2 thick walled cylinder.See Fig. 5, crotch section thin walled cylinder can adopt central diameter D2 equal with the straight warp of locking section thick walled cylinder.See Fig. 6, crotch section thin walled cylinder can adopt internal diameter D3 equal with the straight warp of locking section thick walled cylinder.See Fig. 1-Fig. 3, knurled segment 1.3 length is greater than crotch section 2.1 length; Crotch section deformation intensity is less than knurled segment locking intensity.
The present embodiment, is had the following steps by the clinching method of connecting plate with above-mentioned detachable locking pulling rivet riveted joint:
1) see Fig. 7, pulling rivet 1 is inserted through from front to back the mounting hole 3.1 that two are connected plate 3,4, the collar is enclosed within pulling rivet from rivet rear end.2) see Fig. 8, riveting machine 5 clip 5.1 clamps afterbody annular groove section 1.6; After starting riveting machine, rivet 1 is pulled back, simultaneously the riveting machine overcoat 5.2 urged forward collar 2.3) see Fig. 9, riveting machine pulls on and pushes away, and makes the collar lock section 2.2 and rivet knurled segment 1.3 interference fit, forms radial locking; Be connected plate 3 before collar crotch section 2.1 is deformed into hook-shaped fastening simultaneously and form axial locking.4) see Figure 10, rivet continues to be pulled rearward, and disconnect at separating vessel 1.4 place, riveting machine leaves, and connection completes.After the riveted joint disconnected, rivet is 1.0.
The present embodiment completes the method for dismounting of the detachable locking pulling rivet after riveted joint by above-mentioned clinching method, has the following steps:
1) extracting tool 6 be produced as follows: 1. see Figure 11, if the front snap ring 6.1 that front end and collar ring-shaped step 2.31 matching size close, front snap ring rear end 6.11 is stuck in the draw ring 6.3 of setting.And in hand hydraulic tool, establish the hydraulic part 6.3 be in transmission connection with draw ring.2. establish centered cylinder 6.2 through hand hydraulic tool center hole, and just standing part 6.4 is established to centered cylinder rear end in hand hydraulic tool.3. see Figure 11, Figure 12, fixing jacking block 7 is set on front side of rivet head 1.1.2) see Figure 11, rivet is withstood in centered cylinder 6.2 front end and breaks face 1.4; Front snap ring 6.1 front end fastens collar ring-shaped step 2.31.3) see Figure 12, start hand hydraulic tool, standing part 6.4 withstands centered cylinder 6.2; Hydraulic part 6.5 pulls back draw ring 6.3, and applies rearward pulling force by front snap ring 6.1 to collar ring-shaped step, and the collar 2 is moved backward.Because knurled segment 1.3 length of design is greater than crotch section 2.1 length, and crotch section deformation intensity is less than knurled segment locking intensity, so first collar crotch section 2.1 is straightened in unloading process, then knurled segment 1.3 interference fit face is eventually pulled completely out, and completes dismounting.
See Figure 12, in unloading process, when individual product just in case occur that crotch section 2.1 is not yet straightened and situation that knurled segment has loosened, now, operator need continue to make the hydraulic part 6.5 post-tensioning collar in hand hydraulic tool, rivet 1.0 (mark 1.0 and see Figure 10) after hand hydraulic tool internal fixtion part 6.4 pushes away centered cylinder 6.2 and riveted joint before also will synchronously continuing simultaneously, now because being provided with fixing jacking block 7, can withstand on fixing jacking block 7 when rivet 1.0 moves ahead, during to ensure post-tensioning, crotch section is formerly straightened, then knurled segment interference fit face is just eventually pulled completely out, complete dismounting.
Claims (1)
1. detachable locking pulling rivet, comprise rivet and the collar, rivet back segment is separating vessel (1.4), rear polished rod (1.5) and the afterbody annular groove section (1.6) with riveting machine clamping; It is characterized in that:
1) collar (2) comprises the crotch section (2.1) of the thin walled cylinder connected in turn from front to back, the locking section (2.2) of thick walled cylinder and collar head (2.3), there is the ring-shaped step (2.31) for dismantling at collar head front-end face edge, and collar head adopts round end (2.32) or tack (2.33); Crotch section thin walled cylinder adopts external diameter, central diameter or internal diameter equal with the straight of locking section thick walled cylinder through relative size;
2) rivet (1) leading portion comprises the ailhead (1.1) connected in turn from front to back, front polished rod section (1.2), extrudes with locking section the knurled segment (1.3) coordinated; The annular groove (1.11) of form fit after ailhead two trailing flank has and is out of shape with collar crotch section;
3) knurled segment (1.3) length is greater than crotch section (2.1) length; Crotch section deformation intensity is less than knurled segment locking intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685661.8U CN204239412U (en) | 2014-11-14 | 2014-11-14 | Detachable locking pulling rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685661.8U CN204239412U (en) | 2014-11-14 | 2014-11-14 | Detachable locking pulling rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239412U true CN204239412U (en) | 2015-04-01 |
Family
ID=52768913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420685661.8U Withdrawn - After Issue CN204239412U (en) | 2014-11-14 | 2014-11-14 | Detachable locking pulling rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412873A (en) * | 2018-05-09 | 2018-08-17 | 武汉雅虎光电设备有限公司 | A kind of clamp device convenient for construction |
-
2014
- 2014-11-14 CN CN201420685661.8U patent/CN204239412U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412873A (en) * | 2018-05-09 | 2018-08-17 | 武汉雅虎光电设备有限公司 | A kind of clamp device convenient for construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 620032, No. two, 821, Science Park, Dongpo District, Sichuan, Meishan Patentee after: Meishan Zhongche fastener Technology Co. Ltd. Address before: 620032, No. two, 821, Science Park, Dongpo District, Sichuan, Meishan Patentee before: Meishan CSR Fastener Science&technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |