CN209565652U - Integral hollow pipe part - Google Patents
Integral hollow pipe part Download PDFInfo
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- CN209565652U CN209565652U CN201822231501.7U CN201822231501U CN209565652U CN 209565652 U CN209565652 U CN 209565652U CN 201822231501 U CN201822231501 U CN 201822231501U CN 209565652 U CN209565652 U CN 209565652U
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- hollow pipe
- pipe fitting
- welding bead
- welding
- crimping
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Abstract
The utility model discloses a kind of integral hollow pipe parts, by forming crimping or necking inward at two hollow pipe fitting ports of mutual butt welding, the welding bead groove of V-shape is formed when two hollow pipe fittings being made to be docking together, or, by forming crimping or necking inward at the port of a hollow pipe fitting, R angle-style welding bead groove is formed when group on the outside of the hollow pipe fitting and another hollow pipe fitting is welded, in this way, two hollow pipe fittings are welded together again, form welding bead, and grinding is carried out to welding bead and forms smooth transition face, after can making welding bead surface unitized abrasive, there are the welding beads in welding bead groove still to have enough bonding strengths, meet bonding strength and the tangent or coplanar requirement of integral type appearance simultaneously, two hollow pipe fittings are preferably fused together, carbon fiber is imitated for Al-alloy bicycle lightweight The way of effect provides foundation.
Description
Technical field
The utility model relates to attachments of a bicycle processing technique fields, are specifically related to a kind of integral hollow pipe part.
Background technique
Currently, two workpiece butt welding of workpiece A and workpiece B, it is desirable that welding bead is tangent or coplanar with workpiece surface, after the completion of processing
It is integrally formed formula workpiece；Before the welding of two workpiece will the interface to workpiece first make a chamfering, make shape at two workpiece docking
At " V " font groove, after groove width and depth mainly consider that welding bead fills up between the two, after welding bead is surface-treated
There can also be enough bonding strengths.
Referring to Fig. 1, common workpiece butt welding is usually all solid member, the way welded using removal material chamfering mode,
Be able to ascend the welding bead intensity of workpiece, and hollow pipe fitting welding front end face go material chamfering then and can obtain it is opposite as a result, reason
Be: by taking the docking of two bicycle hollow pipe fittings as an example, the thickness of bicycle hollow pipe fitting is sometimes less than 2mm, after leading to chamfering
Hollow pipe fitting welding region it is very thin, high temperature is easy to burn hollow pipe fitting, and it is bad to generate burning etc.；Hollow pipe fitting removes material
It is unable to get the welding groove of enough depth, when integral type welding bead is ground, the welding bead for being higher by hollow pipe fitting can be ground and be eliminated,
The hollow pipe fitting for causing welding thick does not have intensity.That is, the way of material chamfering is gone in hollow pipe fitting butt welding using end face, it is difficult
To meet bonding strength and the tangent or coplanar requirement of integral type appearance simultaneously.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model proposes a kind of integral hollow pipe parts, can meet connection simultaneously
Appearance tangent or coplanar requirement when intensity and the weldering of integral type group or butt welding.
The technical solution of the utility model is achieved in that
A kind of integral hollow pipe part, including docking the hollow pipe fitting A and hollow pipe fitting B that are welded together, the hollow pipe
Part A forms inside crimping A or necking A, the hollow pipe fitting B at docking and forms inside crimping B or necking at docking
The crimping A or necking A of B, the hollow pipe fitting A are docking together with the crimping B or necking B of the hollow pipe fitting B, at docking
Formation cross-section is in the welding bead groove of V-shape, is filled with welding bead in the welding bead groove, the outer surface of the welding bead by grinding with
The flush with outer surface of the hollow pipe fitting A and the hollow pipe fitting B.
Further, the crimping A or necking A of the hollow pipe fitting A and the crimping B of the hollow pipe fitting B or necking B phase
It cuts.
Further, the butt welding hollow pipe fitting is bicycle hollow pipe fitting.
Further, the welding bead depth is 5mm.
A kind of integral hollow pipe part connects the hollow pipe fitting A being welded together and hollow pipe fitting B, the hollow pipe including group
Part A forms the crimping A or necking A and the hollow pipe fitting B of inside crimping A or necking A, the hollow pipe fitting A at the group place of connecing
Side be grouped together, connect the welding bead groove that place's Formation cross-section is in R angle-style in group, welding bead be filled in the welding bead groove,
The outer surface of the welding bead forms smooth transition and the arc between the hollow pipe fitting A and the hollow pipe fitting B by grinding
Transition face.
The beneficial effects of the utility model are: the utility model provides a kind of integral hollow pipe part, by mutually right
Crimping or necking inward is formed at two hollow pipe fitting ports of weldering, and V word is formed when two hollow pipe fittings being made to be docking together
The welding bead groove of type, alternatively, by forming crimping or necking inward at the port of a hollow pipe fitting, by the hollow pipe fitting
R angle-style welding bead groove is formed when welding with group on the outside of another hollow pipe fitting, then two hollow pipe fittings are welded together, forms weldering
Road, and grinding is carried out to welding bead and forms smooth transition face, form a kind of while meeting bonding strength and integral type appearance phase
It cuts or the integral hollow pipe part of coplanar requirement, this is because the docking of two hollow pipe fittings or the group place of connecing are not gone
The hollow pipe fitting thickness of material chamfering, welding region does not lose, and crimping or necking can guarantee the depth of welding bead, make welding bead
After the unitized abrasive of surface, there are the welding beads in welding bead groove still to have enough bonding strengths, so that two hollow pipe fittings
It can preferably be fused together, the way for imitating carbon fiber effect for Al-alloy bicycle lightweight provides foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing integral type butt welding solid member；
Fig. 2 is the structural schematic diagram that the utility model integral type docks hollow pipe fitting；
Fig. 3 is the structural schematic diagram that the utility model integral type group connects hollow pipe fitting.
Specific embodiment
To keep the utility model more obvious and easy to understand, a specific embodiment of the invention is done in detail with reference to the accompanying drawing
Thin explanation.
As shown in Fig. 2, a kind of integral hollow pipe part, including docking the hollow pipe fitting A1 and hollow pipe fitting that are welded together
B2, the hollow pipe fitting A form inside crimping A11 or necking A at docking, the hollow pipe fitting B formed at docking to
The interior crimping A or necking A of crimping B21 or necking B, the hollow pipe fitting A and the crimping B of the hollow pipe fitting B or B pairs of necking
It is connected together, Formation cross-section is in the welding bead groove of V-shape at docking, is filled with welding bead 3, the welding bead in the welding bead groove
Outer surface by grinding and the flush with outer surface of the hollow pipe fitting A and hollow pipe fitting B.
In above structure, by forming crimping or necking inward at two hollow pipe fitting ports of mutual butt welding, make
The welding bead groove of V-shape is formed when two hollow pipe fittings are docking together, then two hollow pipe fittings are welded together, and forms weldering
Road, and grinding is carried out to welding bead and forms smooth transition face, form a kind of while meeting bonding strength and integral type appearance phase
It cuts or the integral hollow pipe part of coplanar requirement, is fallen this is because not carrying out material at the docking of two hollow pipe fittings
The hollow pipe fitting thickness at angle, welding region does not lose, and crimping or necking can guarantee the depth of welding bead, make welding bead surface one
After the grinding of body formula, there are the welding beads in the welding bead groove of butt welding hollow pipe fitting still to have enough bonding strengths, so that two
Hollow pipe fitting can be preferably fused together, for Al-alloy bicycle lightweight imitate carbon fiber effect way provide according to
According to.
Preferably, the crimping A or necking A of the hollow pipe fitting A and the crimping B or necking B of the hollow pipe fitting B are tangent.
In this way, hollow pipe fitting A and hollow pipe fitting B can be docked more preferably at docking, convenient for welding, and the company of welding bead may insure
Connect intensity.
Preferably, the butt welding hollow pipe fitting is bicycle hollow pipe fitting.In this way, bicycle hollow pipe fitting welding position
Foreign body formula cambered surface smooth compared with periphery hollow pipe fitting can be formed after welding bead grinding, since still there are enough at welding bead groove
Welding bead, for vehicle frame while possessing integral type appearance, intensity is also that may insure, so that the value of cycle frame is mentioned
It rises, to provide foundation for the way that carbon fiber effect is imitated in Al-alloy bicycle lightweight.But not limited to this, it can be other
The butt welding of application field hollow pipe fitting (docking is welded together).
Preferably, the welding bead depth is 5mm.By carrying out crimping to hollow pipe fitting port, welding bead groove can be
Depth reaches 5mm, to can preferably provide bonding strength still with the welding bead of 5mm after guaranteeing welding bead grinding.
As shown in figure 3, another kind integral hollow pipe part proposed by the present invention, the hollow pipe fitting being welded together is connect including group
A1 and hollow pipe fitting B2, the hollow pipe fitting A form inside crimping A11 or necking A at the group place of connecing, the hollow pipe fitting A's
Crimping A or necking A and the side of the hollow pipe fitting B are grouped together, and connect the welding bead slope that place's Formation cross-section is in R angle-style in group
Mouthful, welding bead 3 is filled in the welding bead groove, the outer surface of the welding bead forms smooth transition and the hollow pipe by grinding
Arc transiting surface 31 between part A and the hollow pipe fitting B.
In above structure, by forming crimping or necking inward at the port of a hollow pipe fitting, by the hollow pipe
R angle-style welding bead groove is formed when group is welded on the outside of part and another hollow pipe fitting, then two hollow pipe fittings are welded together, is formed
Welding bead, and grinding is carried out to welding bead and forms smooth arc transiting surface, form a kind of while meeting bonding strength and integral type
The integral hollow pipe part of the tangent requirement of appearance, this is because the group place of connecing of two hollow pipe fittings does not carry out material chamfering,
The hollow pipe fitting thickness of welding region does not lose, and crimping or necking can guarantee the depth of welding bead, keeps welding bead surface integrated
After formula grinding, there are the welding beads in welding bead groove still to have enough bonding strengths, enables two hollow pipe fittings more preferable
Ground is fused together, and the way for imitating carbon fiber effect for Al-alloy bicycle lightweight provides foundation.
Above embodiments are that the preferred embodiment of the utility model is described in detail referring to attached drawing.The skill of this field
Art personnel are by carrying out modification or change on various forms, but the feelings of the essence without departing substantially from the utility model to above-described embodiment
Under condition, all fall within the scope of the present invention.
Claims (5)
1. a kind of integral hollow pipe part, it is characterised in that: including docking the hollow pipe fitting A (1) and hollow pipe fitting B that are welded together
(2), the hollow pipe fitting A forms inside crimping A (11) or necking A at docking, and the hollow pipe fitting B is formed at docking
The inside crimping A or necking A of crimping B (21) or necking B, the hollow pipe fitting A and the crimping B of the hollow pipe fitting B or contracting
Mouth B is docking together, and Formation cross-section is in the welding bead groove of V-shape at docking, is filled with welding bead (3) in the welding bead groove,
Flush with outer surface of the outer surface of the welding bead by grinding and the hollow pipe fitting A and hollow pipe fitting B.
2. integral hollow pipe part according to claim 1, it is characterised in that: the crimping A of the hollow pipe fitting A or necking
The crimping B or necking B of the A and hollow pipe fitting B is tangent.
3. integral hollow pipe part according to claim 1, it is characterised in that: the butt welding hollow pipe fitting is that bicycle is empty
Heart pipe fitting.
4. integral hollow pipe part according to claim 1, it is characterised in that: the welding bead depth is 5mm.
5. a kind of integral hollow pipe part, it is characterised in that: meet the hollow pipe fitting A (1) and hollow pipe fitting B being welded together including group
(2), the hollow pipe fitting A forms inside crimping A (11) or necking A, the crimping A of the hollow pipe fitting A or contracting at the group place of connecing
The side of mouth A and the hollow pipe fitting B are grouped together, and connect the welding bead groove that place's Formation cross-section is in R angle-style, the welding bead in group
Welding bead (3) are filled in groove, the outer surface of the welding bead by grinding formed smooth transition and the hollow pipe fitting A with it is described
Arc transiting surface (31) between hollow pipe fitting B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231501.7U CN209565652U (en) | 2018-12-28 | 2018-12-28 | Integral hollow pipe part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231501.7U CN209565652U (en) | 2018-12-28 | 2018-12-28 | Integral hollow pipe part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209565652U true CN209565652U (en) | 2019-11-01 |
Family
ID=68331366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231501.7U Active CN209565652U (en) | 2018-12-28 | 2018-12-28 | Integral hollow pipe part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209565652U (en) |
-
2018
- 2018-12-28 CN CN201822231501.7U patent/CN209565652U/en active Active
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