CN204053348U - Crank spacer pin welder - Google Patents
Crank spacer pin welder Download PDFInfo
- Publication number
- CN204053348U CN204053348U CN201420537070.6U CN201420537070U CN204053348U CN 204053348 U CN204053348 U CN 204053348U CN 201420537070 U CN201420537070 U CN 201420537070U CN 204053348 U CN204053348 U CN 204053348U
- Authority
- CN
- China
- Prior art keywords
- crank
- hole
- spacer pin
- clamp splice
- pin
- 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.)
- Expired - Fee Related
Links
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a kind of crank spacer pin welder, described crank spacer pin welder comprises a horizontally disposed liner plate, the afterbody of described liner plate is provided with a fixing projection, the middle part of the upper surface of described fixing projection is provided with a semicircular fixing arc groove, the two ends of described fixing arc groove are respectively equipped with a projection through hole, being respectively equipped with one in described projection through hole can the fixture block of longitudinally-moving, described liner plate is provided with a liner plate through hole, is provided with rotating pin frame in described liner plate through hole.Crank spacer pin welder of the present utility model utilizes fixture block and pin frame, makes crank and spacer pin phase close contact, completes welding of crank and spacer pin fast.This crank spacer pin welder convenient fixing, simple to operate, solid and reliable, substantially increase the welding efficiency of crank spacer pin, practical.
Description
Technical Field
The utility model relates to a bicycle parts manufacturing equipment, more exactly, is a crank spacer pin welding set.
Background
Cranks are a very common part of bicycles and are used to connect chainrings as the driving members of the bicycle. The crank is provided with a limit pin, and the limit pin is buckled with the limit hole on the fluted disc. Generally, the limit pin needs to be welded on the crank, a worker is required to clamp the limit pin with one hand and weld with the other hand, the operation is very troublesome, and the limit pin is easy to be welded askew.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that prior art exists to a crank spacer pin welding set is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
a crank limit pin welding device comprises a lining plate which is horizontally arranged, wherein the tail of the lining plate is provided with a fixed lug, the middle part of the upper surface of the fixed lug is provided with a semicircular fixed arc groove, two ends of the fixed arc groove are respectively provided with a lug through hole, a clamping block which can longitudinally move is respectively arranged in the lug through hole, the lining plate is provided with a lining plate through hole, the lining plate through hole is internally provided with a rotatable pin frame, the clamping block comprises a square clamping block main body, the bottom of the clamping block main body is provided with a clamping block pivot, the inner side of the clamping block main body is provided with a fixed clamping piece, the clamping block pivot penetrates through the lug through hole, the clamping block pivot is respectively provided with a reset spring, the pin frame comprises a long-strip-shaped pin frame base strip, and the tail of the pin frame base strip is provided with a columnar rotating shaft, the bottom of the rotating shaft is provided with a fixed column head, the head of the pin frame base strip is provided with a cylindrical pin cylinder for placing a limiting pin, and the fixed column head penetrates through the lining plate through hole.
As the preferred embodiment of the utility model, the edge of the clamping block main body is provided with a pair of adjusting through holes.
The utility model discloses a crank spacer pin welding set utilizes clamp splice and round pin frame for the welding of crank and spacer pin is accomplished fast to crank and spacer pin looks in close contact with. The crank limiting pin welding device is convenient to fix, simple to operate, firm and reliable, greatly improves the welding efficiency of the crank limiting pin, and is high in practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a crank limit pin welding device according to the present invention;
FIG. 2 is an exploded perspective view of the crank limit pin welding device shown in FIG. 1;
FIG. 3 is an enlarged detail view of the area A of the crank limit pin welding device in FIG. 2;
FIG. 4 is an enlarged detail view of the region B of the crank limit pin welding device in FIG. 2;
FIG. 5 is a schematic perspective view of a pin holder of the crank limit pin welding device in FIG. 2;
FIG. 6 is a schematic perspective view of a clamping block of the crank limit pin welding device shown in FIG. 2;
FIG. 7 is an enlarged detail view of the C-region of the clamping block of the crank limit pin welding device in FIG. 6;
wherein,
1. a crank limit pin welding device; 2. a liner plate; 21. a liner plate through hole; 3. fixing the bump; 31. fixing the arc groove; 32. a bump through hole; 4. a pin frame; 41. a pin frame base bar; 42. a rotating shaft; 43. a pin barrel; 44. fixing the column head; 5. a clamping block; 51. a clamp block main body; 52. a clamp block pivot; 53. fixing the clamping piece; 54. adjusting the through hole; 6. a crank; 61; a crank retainer ring; 7. a spacing pin; 8. a return spring.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
The utility model provides a crank spacer pin welding set.
As shown in fig. 1 to 7, a crank pin welding device 1 of the present invention comprises a horizontally disposed lining plate 2, a fixing protrusion 3 is disposed at the end of the lining plate 2, a semicircular fixing arc groove 31 is disposed at the middle of the upper surface of the fixing protrusion 3, a protrusion through hole 32 is disposed at each end of the fixing arc groove 31, a longitudinally movable clamping block 5 is disposed in each protrusion through hole 32, a lining plate through hole 21 is disposed on the lining plate 2, a rotatable pin frame 4 is disposed in each lining plate through hole 21, each clamping block 5 comprises a square clamping block main body 51, a clamping block pivot 52 is disposed at the bottom of the clamping block main body 51, a fixing clamping piece 53 is disposed at the inner side of the clamping block main body 51, the clamping block pivot 52 penetrates through the protrusion through hole 32, a return spring 8 is disposed on each clamping block pivot 52, the pin frame 4 comprises a long-shaped pin frame base bar 41, a cylindrical rotating shaft 42 is disposed at the end of the pin frame base bar 41, the bottom of the rotating shaft 42 is provided with a fixed column head 44, the head of the pin frame base strip 41 is provided with a cylindrical pin barrel 43 for placing a limiting pin 7, and the fixed column head 44 penetrates through the lining plate through hole 21.
The edge of the clamp block main body 51 is provided with a pair of adjustment through holes 54. In this way, the user can install shims of different thicknesses depending on the size of the crank.
In use, as shown in fig. 1 and 2, the user places a crank 6 between the two clamp blocks 5 and places the bottom of the crank 6 over the fixed arc slot 31 and causes the crank stop ring of the crank 6 to snap onto the top edge of the clamp block body 51. Then, the user places a check pin 7 to be welded into the pin cylinder 43 and then rotates the rotating shaft 42 so that the pin cylinder 43 is positioned directly below the crank 6. Next, the cylinder head above the welding device 1 presses the crank 6 so that the crank 6 contacts the stopper pin 7, thereby completing the welding of the crank 6 and the stopper pin 7. After the cylinder head is relaxed, under the action of the return spring 8, the clamping block 5 rises, and a user can take out a welded crank to complete the welding operation of the whole crank.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (2)
1. The utility model provides a crank spacer pin welding set, its characterized in that, crank spacer pin welding set (1) contain welt (2) that a level set up, the afterbody of welt (2) be equipped with one fixed lug (3), the middle part of the upper surface of fixed lug (3) be equipped with semicircular fixed arc groove (31), the both ends of fixed arc groove (31) be equipped with a lug through-hole (32) respectively, lug through-hole (32) in be equipped with one can vertically move about clamp splice (5) respectively, welt (2) on be equipped with a welt through-hole (21), welt through-hole (21) in be equipped with rotatable round pin frame (4), clamp splice (5) contain the cubic clamp splice main part (51) of a party, the bottom of clamp splice main part (51) be equipped with a clamp splice pivot (52), the inboard of clamp splice main part (51) be equipped with a fixed clamping piece (53), the clamp splice pivot (52) run through lug through-hole (32), clamp splice pivot (52) on be equipped with a reset spring (8) respectively, cotter (4) contain a long banding cotter base strip (41), the afterbody of cotter base strip (41) be equipped with a cylindrical axis of rotation (42), the bottom of axis of rotation (42) be equipped with a fixed column cap (44), the head of cotter base strip (41) be equipped with a cylindric a round pin section of thick bamboo (43) that are used for placing a spacer pin (7), fixed column cap (44) run through welt through-hole (21).
2. The crank limit pin welding device according to claim 1, wherein the edge of the clamp block main body (51) is provided with a pair of adjusting through holes (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537070.6U CN204053348U (en) | 2014-09-18 | 2014-09-18 | Crank spacer pin welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537070.6U CN204053348U (en) | 2014-09-18 | 2014-09-18 | Crank spacer pin welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053348U true CN204053348U (en) | 2014-12-31 |
Family
ID=52194935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537070.6U Expired - Fee Related CN204053348U (en) | 2014-09-18 | 2014-09-18 | Crank spacer pin welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053348U (en) |
-
2014
- 2014-09-18 CN CN201420537070.6U patent/CN204053348U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |