CN210196247U - Prevent ponding flange face bolt structure - Google Patents
Prevent ponding flange face bolt structure Download PDFInfo
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- CN210196247U CN210196247U CN201920254345.8U CN201920254345U CN210196247U CN 210196247 U CN210196247 U CN 210196247U CN 201920254345 U CN201920254345 U CN 201920254345U CN 210196247 U CN210196247 U CN 210196247U
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Abstract
The utility model relates to a prevent ponding flange face bolt structure belongs to automobile fastener's technical field. The utility model discloses a prevent ponding flange face bolt structure, including flange face spiral shell head and screw rod, be provided with the water drainage tank from the originated extremely spiral shell head neighboring of screw rod outer peripheral face on one side flange face that flange face spiral shell head and screw rod are connected. The utility model discloses a prevent ponding flange face bolt structure has increased water drainage tank, and the bolt is tightened the back and is formed the inside and outside passageway that communicates between flange face and the quilt mounting, makes original water deposit difficult ponding again in the clearance, improves life.
Description
Technical Field
The utility model relates to a technical field of car fastener, more specifically say, the utility model relates to a prevent ponding flange face bolt structure.
Background
As shown in fig. 1-2, most of the flange surfaces of the bolts 2 on the flange surfaces in the prior art are planar structures, and the bolts are tightly attached to the surface of the fixed member 1 after being tightened by a tightening torque, so that the bolt has a certain sealing effect, and particularly, the connected member is made of an aluminum alloy material with low hardness. All can deposit dust or earth in the bolt and the clearance between by the fastener after rain wash or wade, make bolt and nut flange face strengthen with by the sealing action between the mounting, it is difficult to leak to deposit the inside ponding in water clearance 3, and bolt and nut and by mounting corrosion speed can be accelerated to humid environment, to aluminum alloy material say and the galvanic cell reaction between bolt and nut can accelerate corrosion speed more.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned technical problem that exists among the prior art, the utility model aims to provide an it prevents ponding flange face bolt structure.
The utility model discloses a prevent ponding flange face bolt structure, including flange face spiral shell head and screw rod, its characterized in that: and a drainage channel from the outer peripheral surface of the screw to the peripheral edge of the screw is arranged on the surface of one side, connected with the screw, of the flange surface screw head, and the drainage channels are uniformly distributed on the surface of one side, connected with the screw, of the flange surface screw head.
Wherein, the cross section of the drainage channel is arc-shaped, V-shaped or U-shaped.
Wherein, the quantity of water drainage tank is 2 ~ 4.
Compared with the prior art, the utility model discloses a prevent ponding flange face bolt structure has following beneficial effect:
the utility model discloses a prevent ponding flange face bolt structure has increased water drainage tank, and the bolt is tightened the back and is formed the inside and outside passageway that communicates between flange face and the quilt mounting, makes original water deposit difficult ponding again in the clearance, improves life.
Drawings
Fig. 1 is a schematic structural diagram of a flange bolt in the prior art.
Fig. 2 is a schematic cross-sectional view of a prior art flange bolt and a fixed member.
Fig. 3 is a schematic structural view of the anti-water-accumulation flange face bolt structure of the present invention.
Detailed Description
The utility model discloses a prevent ponding flange face bolt structure does further explanation below with concrete embodiment to help technical staff in this field to right the utility model discloses a design, technical scheme have more complete, accurate and deep understanding.
Example 1
As shown in fig. 3, the anti-water-accumulation flange bolt structure 10 of the present embodiment includes a flange face head 11 and a screw 12, and a drainage channel 13 is disposed on a surface of the flange face head 11 connected to the screw 12, the drainage channel extending from the screw 12 to an outer peripheral edge of the head 11. The drainage channels 13 can be uniformly distributed on the surface of one side of the flange face screw head 11 connected with the screw 12, the cross section of each drainage channel is arc-shaped, V-shaped or U-shaped, the number of the drainage channels is generally 2-4, and the number and the size of the cross section can be determined according to the use environment. After the bolt and the nut are tightened, an internal and external communicated channel is formed between the flange surface and the fixed part, so that water is not easy to accumulate in the original water storage gap, and the corrosion risk of the metal surface is reduced. Compared with the prior art, the manufacturing process of the water accumulation preventing flange surface bolt structure is basically unchanged, the drainage groove can be directly formed by casting (the cost is almost unchanged, and the raw material cost can be saved) or machined on the existing bolt flange surface (certain machining cost is increased), the drainage capacity can be obviously enhanced, and water accumulation is avoided. In addition, the drainage channel can also be arranged on the flange surface nut, and the effects of enhancing drainage and avoiding accumulated water can be achieved.
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and various insubstantial modifications can be made without modification to the method concept and technical solution of the present invention, and the present invention is also within the scope of the present invention.
Claims (3)
1. The utility model provides a prevent ponding flange face bolt structure, includes flange face spiral shell head and screw rod, its characterized in that: a drainage channel from the outer peripheral surface of the screw to the outer peripheral edge of the screw head is arranged on the surface of one side, connected with the screw, of the flange surface; and the drainage channels are uniformly distributed on the surface of one side of the flange surface where the screw head is connected with the screw.
2. The water accumulation preventing flange face bolt structure according to claim 1, characterized in that: the cross section of the drainage channel is arc-shaped, V-shaped or U-shaped.
3. The water accumulation preventing flange face bolt structure according to claim 1, characterized in that: the number of the drainage grooves is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254345.8U CN210196247U (en) | 2019-02-28 | 2019-02-28 | Prevent ponding flange face bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254345.8U CN210196247U (en) | 2019-02-28 | 2019-02-28 | Prevent ponding flange face bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196247U true CN210196247U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254345.8U Active CN210196247U (en) | 2019-02-28 | 2019-02-28 | Prevent ponding flange face bolt structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN210196247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897819A (en) * | 2021-10-19 | 2022-01-07 | 中国铁建重工集团股份有限公司道岔分公司 | Steel rail adhesive joint insulating joint |
-
2019
- 2019-02-28 CN CN201920254345.8U patent/CN210196247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897819A (en) * | 2021-10-19 | 2022-01-07 | 中国铁建重工集团股份有限公司道岔分公司 | Steel rail adhesive joint insulating joint |
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