CN201579320U - Compact-structure core for online arcing of automobile bumper - Google Patents
Compact-structure core for online arcing of automobile bumper Download PDFInfo
- Publication number
- CN201579320U CN201579320U CN2009203503007U CN200920350300U CN201579320U CN 201579320 U CN201579320 U CN 201579320U CN 2009203503007 U CN2009203503007 U CN 2009203503007U CN 200920350300 U CN200920350300 U CN 200920350300U CN 201579320 U CN201579320 U CN 201579320U
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- core
- arc groove
- core section
- compact
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Abstract
The utility model relates to a compact-structure core for the online arcing of an automobile bumper and solves the problem that the shape of the core is clumsy because the connection method of core sections is improper. The technical scheme is that the core is formed by a plurality of core sections in a connecting way, a wear-resistant copper material is clad on the external side of each core section body, a columnar clamping head is arranged at the front end of the core section after improvement, an arc groove clamping seat is arranged at the rear end of the core section, the columnar clamping head of the posterior core section is inserted into the arc groove clamping seat of the anterior core section, and the columnar clamping head is in clearance fit with the arc groove clamping seat. Since the core sections are connected by using columnar clamping head which is in clearance fit with the arc groove clamping seat, the utility model has the advantages that the pin connecting parts are reduced, the core structure is simplified, the dimension of the core section junction is reduced, the shape of the single core section can be minimized, the entire structure of the core is compact, the flexibility is good, the application scope of the core is widened, and the core can be used in the forming and machining technology of automobile bumpers with narrow inner chambers and small arcing radius.
Description
Technical field
The utility model relates to the online one-tenth arc of the bumper fuse of a kind of core member, particularly cramped construction, belongs to the mechanically deform processing technique field.
Background technology
Roll-in processing is one of main method of making at present by bumper, and process is rolled into the vertical bar type with specific sectional shape with bumper earlier, and the roller arc device of forming by several groups of running rollers is made arcuation, final cutting with the online roller of vertical bar type afterwards.For bumper with near closed hollow ring, become arc except the arc device is arranged into, also must be used with fuse, the effect of fuse is the support product inner chamber, occurs fold or depression when preventing into arc.Usually the fuse profile is identical with the product cavity shape, and core structures is to be connected together by bearing pin by polylith core joint, and the adjacent core internode can rotate mutually.The structure of prior art fuse such as Fig. 5, shown in Figure 6: fuse 4 is combined by a plurality of core joints 5, core joint front end is monaural axle 5-1, and the rear end is binaural axis 5-2, and core joint in front and back forms hinged by bearing pin 6, for improving the durability of fuse, core joint middle part coats wear-resisting copper material 7.The problem that the fuse of this structure exists is as follows: for guaranteeing enough shear strengths, the pin diameter that connects two cores joint generally will be accomplished more than the 12mm, the gudgeon position corresponding size that core joint two ends penetrate bearing pin is also bigger, the copper material of core joint mid portion will reach 42mm and could satisfy instructions for use, so the total length dimension of core joint generally will be more than 70mm.This traditional fuse profile is too fat to move, and structure is compact inadequately, can't meet the demands the one-tenth arc device that the arc radius is little, intensity is big for hoping for success.
The utility model content
The utility model is used to solve the defective of stating prior art and a kind of online one-tenth arc of bumper fuse of simplifying the cramped construction of core internode connected mode under the prerequisite of proof strength is provided.
The alleged problem of the utility model solves by the following technical programs:
The online one-tenth arc of a kind of bumper of cramped construction fuse, it is formed by connecting by a plurality of core joints, core saves external side and coats wear-resisting copper material, its special feature is: described core joint front end is provided with the column dop, the rear end is provided with the arc groove deck, the column dop of described deutomerite core joint is inserted in the arc groove shape deck of prosthomere core joint, both matched in clearance.
The utility model causes profile too fat to move problem to be improved with fuse because of core joint connected mode at the processing of the online one-tenth arc of existing bumper, and employing column dop is connected with matched in clearance between the arc groove deck between the core joint.Reduced the bearing pin connector after the improvement, simplified core structures, dwindled the size of core joint junction, single core joint profile can be accomplished less, make the fuse compact overall structure, flexible good, widened the fuse range of application, can use in the bumper shaping processing technology narrow and small at some inner chambers, that one-tenth arc radius is little.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a core joint structural representation (wear-resisting copper material does not draw);
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the utility model core joint and prior art core joint comparison diagram;
Fig. 5 prior art core structures schematic diagram;
Fig. 6 is the vertical view of Fig. 5.
Label is expressed as follows in the accompanying drawing: 1. fuse; 2. core saves; 2-1. column dop; 2-2. arc groove deck; 3. wear-resisting copper material; 4. prior art fuse, 5. prior art core joint, 5-1. forward trunnion; 5-2; Back gudgeon; 6. bearing pin; 7. the prior art core saves wear-resisting copper material.
The specific embodiment
Referring to Fig. 1, fuse 1 described in the utility model is formed by connecting by a plurality of core joints 2, and each core saves external side and coats wear-resisting copper material 3.
Referring to Fig. 2, Fig. 3, the front end of described core joint 2 is provided with column dop 2-1, the rear end is provided with arc groove deck 2-2, column dop with deutomerite core joint when each core joint connects is inserted in the arc groove shape deck of prosthomere core joint, column dop and arc groove shape deck matched in clearance, make form between each core joint hinged.
Referring to Fig. 4, the utility model core joint 2 is compared with prior art core joint 5, and under the condition that effectively active length is identical, core joint 2 is shorter than the entire length of core joint 5, thereby makes the compact conformation of fuse 1.Contrast is referring to Fig. 1, Fig. 5, fuse 1 of the present utility model, and because of the junction size of core joint is little, the area that its wear-resisting copper material coated is big, thereby has improved the wearability of fuse.
Claims (1)
1. the online one-tenth arc of the bumper of cramped construction fuse, it is formed by connecting by a plurality of core joints, core saves external side and coats wear-resisting copper material, it is characterized in that: described core joint (2) front end is provided with column dop (2-1), the rear end is provided with arc groove deck (2-2), the column dop of described deutomerite core joint is inserted in the arc groove shape deck of prosthomere core joint, both matched in clearance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009203503007U CN201579320U (en) | 2009-12-31 | 2009-12-31 | Compact-structure core for online arcing of automobile bumper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009203503007U CN201579320U (en) | 2009-12-31 | 2009-12-31 | Compact-structure core for online arcing of automobile bumper |
Publications (1)
Publication Number | Publication Date |
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CN201579320U true CN201579320U (en) | 2010-09-15 |
Family
ID=42721312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009203503007U Expired - Lifetime CN201579320U (en) | 2009-12-31 | 2009-12-31 | Compact-structure core for online arcing of automobile bumper |
Country Status (1)
Country | Link |
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CN (1) | CN201579320U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102974667A (en) * | 2012-10-16 | 2013-03-20 | 江苏华阳金属管件有限公司 | Elbow rough machining device |
CN110325298A (en) * | 2017-02-21 | 2019-10-11 | 日本制铁株式会社 | Plug, bend pipe and its manufacturing method and manufacturing device |
CN112718980A (en) * | 2020-12-23 | 2021-04-30 | 凌云工业股份有限公司 | Integrated casting type core mechanism with built-in steel wire rope wrapped by polyurethane |
-
2009
- 2009-12-31 CN CN2009203503007U patent/CN201579320U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102974667A (en) * | 2012-10-16 | 2013-03-20 | 江苏华阳金属管件有限公司 | Elbow rough machining device |
CN110325298A (en) * | 2017-02-21 | 2019-10-11 | 日本制铁株式会社 | Plug, bend pipe and its manufacturing method and manufacturing device |
CN112718980A (en) * | 2020-12-23 | 2021-04-30 | 凌云工业股份有限公司 | Integrated casting type core mechanism with built-in steel wire rope wrapped by polyurethane |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100915 |