CN212822414U - High-pressure oil pipe upset head tool for eliminating back clamping marks - Google Patents
High-pressure oil pipe upset head tool for eliminating back clamping marks Download PDFInfo
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- CN212822414U CN212822414U CN202021249948.8U CN202021249948U CN212822414U CN 212822414 U CN212822414 U CN 212822414U CN 202021249948 U CN202021249948 U CN 202021249948U CN 212822414 U CN212822414 U CN 212822414U
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- Prior art keywords
- oil pipe
- pressure oil
- heading
- transition plate
- upset head
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- 230000007704 transition Effects 0.000 claims abstract description 45
- 239000000446 fuel Substances 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides a high-pressure oil pipe heading tool for eliminating back clamping marks, which comprises a jaw; the jaw consists of two parts, and a flange is processed at the front end of the jaw; a high-pressure oil pipe is clamped between the jaws, a heading is arranged between the high-pressure oil pipe and the punch core, and the heading is clamped with the punch through a transition plate; the outside of passing the cab apron is equipped with the radius and is 1 mm's fillet, and the thickness of transition plate is 10 mm. The utility model discloses improved structure and the cold-heading processing of keeping silent, the anterior segment sunk structure that will keep silent replaces through crossing the cab apron, through be provided with the fillet that agrees with the upset head front end on crossing the cab apron, makes the drift and cross the cab apron inner chamber and form the upset head profile shape jointly, crosses the cab apron and can thoroughly eliminate the upset head back and have the centre gripping vestige of keeping silent, is favorable to sealing between upset head and the union nut, crosses cab apron internal design tapering to the cab apron is taken off after processing finishes.
Description
Technical Field
The utility model belongs to the technical field of high pressure fuel pipe, more specifically say, in particular to eliminate high pressure fuel pipe upset head frock of back clamp mark.
Background
The end of the high-pressure oil pipe is processed and formed by cold heading, the punch and the punch core axially move under the driving of the oil cylinder, the punch and the punch core and the spherical surface sunken at the front section of the jaw jointly perform cold heading processing on the pipe body, and the end of the high-pressure oil pipe is formed into an expected shape through the shape extrusion of the inner cavity.
Based on the above, the existing high-pressure oil pipe not only requires the shape of the front section to be sealed with the counterpart member, but also requires the back of the upset head to form a seal with the union nut. However, in the scheme, the back of the upset head inevitably has clamping marks of the jaw, so that the sealing between the upset head and the union nut is not facilitated, and the sealing performance of the upset head is improved.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a high-pressure oil pipe heading tool for eliminating back clamping marks is provided, so as to achieve a more practical purpose.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an eliminate high pressure fuel pipe upset head frock of back clamp mark to solve current high pressure fuel pipe and not only require anterior segment shape and adversary's piece sealed, still require to form between upset head back and the union nut sealed. However, in the scheme, the back of the upset head inevitably has clamping marks of the jaw, which is not beneficial to sealing between the upset head and the union nut and aims at improving the sealing performance of the upset head.
The utility model is used for an eliminate purpose and efficiency of high pressure fuel pipe upset head frock of back clamp mark is reached by following concrete technological means:
a high-pressure oil pipe heading tool for eliminating back clamping marks comprises a jaw; the jaw consists of two parts, and a flange plate is processed at the front end of the jaw; a high-pressure oil pipe is clamped between the jaws, a heading is arranged between the high-pressure oil pipe and the punch core, and the heading is clamped with the punch through a transition plate; the outside of passing the cab apron is equipped with the radius and is 1 mm's fillet, and the thickness of transition plate is 10 mm.
Furthermore, set up the through-hole that agrees with mutually with high pressure fuel pipe on keeping silent, and keep silent and be equipped with the smooth surface on the ring flange, pass through the cab apron with the anterior segment sunk structure of keeping silent and replace.
Furthermore, a chamfer is arranged on one side of the heading, and the radius of the chamfer is 0.5 mm.
Furthermore, a through hole with the diameter of 6.35mm is formed in the transition plate, the through hole is matched with the high-pressure oil pipe, the diameter of the transition plate is 40mm, and the diameter of the transition plate is larger than that of the punch.
Furthermore, a round angle matched with the rear end of the heading is formed on the heading, and the diameter of the round angle of the transition plate is 20.8 mm; the punch is provided with a groove matched with the front end of the heading, and the punch is provided with a stepped hole convenient for punching of the punching core.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses improved structure and the cold-heading processing of keeping silent, the anterior segment sunk structure that will keep silent replaces through crossing the cab apron, through be provided with the fillet that agrees with the upset head front end on crossing the cab apron, makes the drift and cross the cab apron inner chamber and form the upset head profile shape jointly, crosses the cab apron and can thoroughly eliminate the upset head back and have the centre gripping vestige of keeping silent, is favorable to sealing between upset head and the union nut, crosses cab apron internal design tapering to the cab apron is taken off after processing finishes.
Drawings
Fig. 1 is a schematic overall axial view structure of the present invention.
Fig. 2 is a schematic view of the present invention in a partially disassembled axial view as shown in fig. 1.
Fig. 3 is a schematic view of the second perspective axis of fig. 1 according to the present invention.
Fig. 4 is a schematic view of the present invention in a split axis view as shown in fig. 2.
Fig. 5 is a schematic view of the local cross-sectional structure of the transition plate of the present invention.
Fig. 6 is a schematic view of the transition plate half-section main view structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a jaw; 2. a high pressure oil pipe; 3. heading; 4. punching a core; 5. a transition plate; 6. and (4) punching.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides a high-pressure oil pipe heading tool for eliminating back clamping marks, which comprises a jaw 1; the jaw 1 consists of two parts, and a flange plate is processed at the front end of the jaw 1; a high-pressure oil pipe 2 is clamped between the jaws 1, a heading 3 is arranged between the high-pressure oil pipe 2 and the punch core 4, and the heading 3 is clamped with a punch 6 through a transition plate 5; the outside of the transition plate 5 is provided with a fillet with the radius of 1mm, and the thickness of the transition plate 5 is 10 mm.
Wherein, keep silent and set up the through-hole that agrees with high pressure fuel pipe 2 mutually on 1, and keep silent and be equipped with the smooth surface on the 1 ring flange, will keep silent the anterior segment sunk structure of 1 and replace through cab apron 5.
Wherein, one side of the heading 3 is provided with a chamfer with the radius of 0.5mm, and the arrangement of the chamfer of the transition plate 5 is convenient for taking down the transition plate 5 after the cold heading process is finished.
The diameter of the transition plate 5 is 40mm, the diameter of the transition plate 5 is larger than that of the punch 6, the arrangement of the through hole of the transition plate 5 is convenient for installation of the transition plate 5, the diameter of the transition plate 5 is larger than that of the punch 6, the upset head 3 can be conveniently clamped by the aid of the through hole of the transition plate 5, clamping marks of the jaw 1 on the back of the upset head 3 can be thoroughly eliminated by the transition plate 5, and sealing between the upset head 3 and the union nut is facilitated.
Wherein, the upset head 3 is provided with a round angle matched with the rear end of the upset head 3, and the round angle of the transition plate 5 is 20.8mm in diameter; the punch 6 is provided with a groove matched with the front end of the upset head 3, the punch 6 is provided with a stepped hole convenient for the punching of the punching core 4, the punch 6 and the inner cavity of the transition plate 5 jointly form the outline shape of the upset head 3, the upset head 3 is convenient to clamp, and the punch 6 and the transition plate 5 are matched to process one upset head 3.
The specific use mode and function of the embodiment are as follows:
when in use, the high-pressure oil pipe 2 is firstly placed on the jaw 1, the two jaws 1 are combined to clamp the high-pressure oil pipe 2, then the transition plate 5 is clamped on the high-pressure oil pipe 2, then the upset head 3 is placed in the middle of the transition plate 5, meanwhile, a punch 6 is arranged on a transition plate 5, a punch core 4 is clamped into the punch 6 to punch the upset head 3, the transition plate 5, the upset head 3 and the transition plate 5 are sequentially taken down after the processing is finished, the punch 6 and the inner cavity of the transition plate 5 jointly form the outline shape of the upset head 3, the upset head 3 is conveniently clamped, the punch 6 and the transition plate 5 are matched to process one upset head 3, if the transition plate is used for the second upset head 3, the transition plate cannot be taken down, the concave structure at the front section of the jaw 1 is replaced by the transition plate 5, and the transition plate 5 can thoroughly eliminate the clamping trace of the jaw 1 on the back of the upset head 3, so that the sealing between the upset head 3 and the union nut is facilitated.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides an eliminate high pressure fuel pipe upset head frock of back clamp mark which characterized in that: comprises a jaw (1); the jaw (1) consists of two parts, and a flange plate is processed at the front end of the jaw (1); a high-pressure oil pipe (2) is clamped between the jaws (1), a heading (3) is arranged between the high-pressure oil pipe (2) and the punch core (4), and the heading (3) is clamped with the punch (6) through a transition plate (5); the outer side of the transition plate (5) is provided with a fillet with the radius of 1mm, and the thickness of the transition plate (5) is 10 mm.
2. The high pressure oil pipe heading tool for eliminating back clamping marks as claimed in claim 1, wherein: the jaw (1) is provided with a through hole matched with the high-pressure oil pipe (2), the flange plate of the jaw (1) is provided with a smooth surface, and the front section concave structure of the jaw (1) is replaced by the transition plate (5).
3. The high pressure oil pipe heading tool for eliminating back clamping marks as claimed in claim 1, wherein: and a chamfer is arranged on one side of the heading (3) and has a radius of 0.5 mm.
4. The high pressure oil pipe heading tool for eliminating back clamping marks as claimed in claim 1, wherein: the transition plate (5) is provided with a through hole with the diameter of 6.35mm, the through hole is matched with the high-pressure oil pipe (2), the diameter of the transition plate (5) is 40mm, and the diameter of the transition plate (5) is larger than that of the punch (6).
5. The high pressure oil pipe heading tool for eliminating back clamping marks as claimed in claim 1, wherein: the upset head (3) is provided with a round angle matched with the rear end of the upset head (3), and the round angle of the transition plate (5) is 20.8mm in diameter; the punch (6) is provided with a groove matched with the front end of the heading (3), and the punch (6) is provided with a stepped hole convenient for the punching of the punching core (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021249948.8U CN212822414U (en) | 2020-07-01 | 2020-07-01 | High-pressure oil pipe upset head tool for eliminating back clamping marks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021249948.8U CN212822414U (en) | 2020-07-01 | 2020-07-01 | High-pressure oil pipe upset head tool for eliminating back clamping marks |
Publications (1)
Publication Number | Publication Date |
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CN212822414U true CN212822414U (en) | 2021-03-30 |
Family
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Family Applications (1)
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CN202021249948.8U Active CN212822414U (en) | 2020-07-01 | 2020-07-01 | High-pressure oil pipe upset head tool for eliminating back clamping marks |
Country Status (1)
Country | Link |
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CN (1) | CN212822414U (en) |
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2020
- 2020-07-01 CN CN202021249948.8U patent/CN212822414U/en active Active
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 442000 No.48, Bailang East Road, Shiyan Economic Development Zone, Hubei Province Patentee after: DONGFENG(Shiyan) AUTOMOTIVE PIPE Ltd. Address before: 442000 Li 1, 66 Checheng South Road, Shiyan City, Hubei Province Patentee before: DONGFENG (SHIYAN) AUTO TUBE CO.,LTD. |