CN212455173U - High leakproofness hexagon flange bolt - Google Patents
High leakproofness hexagon flange bolt Download PDFInfo
- Publication number
- CN212455173U CN212455173U CN202021639212.1U CN202021639212U CN212455173U CN 212455173 U CN212455173 U CN 212455173U CN 202021639212 U CN202021639212 U CN 202021639212U CN 212455173 U CN212455173 U CN 212455173U
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- bolt
- sealing ring
- flange
- seal circle
- ring
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Abstract
The utility model discloses a high leakproofness hexagon flange bolt, including bolt head, ring flange, shank of bolt, inner seal circle, external seal circle, locking tooth, the bolt head is regular hexagon shape prism shape, and the bottom of bolt head is fixed with a shank of bolt, is equipped with the external screw thread on the shank of bolt, is fixed with the ring flange on the lateral wall of the bolt head that is close to the shank of bolt, the ring flange bottom is equipped with a plurality of locking teeth, and locking tooth distributes in an annular region around the shank of bolt, the outside cover of shank of bolt has an inner seal circle, and the inner seal circle is located the annular region at locking tooth place and encloses regionally, the bottom of ring flange is equipped with an annular groove, and outer seal circle upper portion card is in annular groove. The utility model discloses a cooperate inner seal circle and external seal circle for have fine leakproofness after the bolt is screwed up, make the bolt obtain effectual protection.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of fastener, especially the technical field of bolt.
[ background of the invention ]
The bolt is a common inlet piece and is widely applied to various occasions. Different requirements are imposed on the bolt in different situations. In some occasions, the bolt is required to have good sealing performance and looseness prevention performance so as to ensure the reliability of bolt connection. The existing bolt can not well meet the requirement.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a high leakproofness hexagon flange bolt, can make the bolt have fine leakproofness and locking.
For realizing the above-mentioned purpose, the utility model provides a high leakproofness hexagon flange bolt, including bolt head, ring flange, shank of bolt, inner seal circle, external seal circle, locking tooth, the bolt head is regular hexagonal prism shape, and the bottom of bolt head is fixed with a shank of bolt, is equipped with the external screw thread on the shank of bolt, is fixed with the ring flange on the bolt head's the lateral wall that is close to the shank of bolt, the ring flange bottom is equipped with a plurality of locking teeth, and locking tooth distributes in an annular region around the shank of bolt, the outside cover of shank of bolt has an internal seal circle, and the internal seal circle is located the annular region at locking tooth place and encloses regionally, the bottom of ring flange is equipped with an annular groove, and external seal circle upper portion card is in annular groove.
Preferably, the bolt head, the flange plate and the bolt rod are of an integrated structure and are all located on the same axis.
Preferably, the upper end surface of the flange is a tapered surface.
Preferably, the section of the annular clamping groove is in an inverted isosceles trapezoid shape, and the upper part of the outer sealing ring is provided with a clamping part matched with the annular clamping groove.
Preferably, the bottom of the outer sealing ring is provided with a sealing groove, the lower parts of the inner wall and the outer wall of the outer sealing ring are respectively provided with a circle of auxiliary rings, the bottom of each auxiliary ring is flush with the bottom of the outer sealing ring, and the auxiliary rings and the outer sealing ring are of an integrated structure.
Preferably, the cross section of the sealing groove is in an isosceles triangle shape, and the thickness of the auxiliary ring is smaller than the depth of the sealing groove.
Preferably, the inner sealing ring is a water swelling sealing ring, a plurality of auxiliary grooves are arranged on the outer side wall of the inner sealing ring, and the cross section of each auxiliary groove is triangular.
Preferably, lubricating grease is coated in the annular clamping grooves.
The utility model has the advantages that: the utility model has the advantages that the inner sealing ring is matched with the outer sealing ring, so that the bolt has good sealing performance after being screwed, and the bolt is effectively protected; due to the arrangement of the anti-loosening teeth, the bolt has good anti-loosening performance; the arrangement of the seal groove further improves the sealing performance of the bolt.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a high-sealing hexagonal flange bolt of the present invention;
fig. 2 is a schematic view of a part of the high-sealing hexagon flange bolt of the present invention.
In the figure: the bolt comprises a bolt head 1, a flange plate 2, a bolt rod 3, an outer sealing ring 4, an inner sealing ring 5, an annular clamping groove 20, a locking tooth 25, an external thread 30, a sealing groove 40, a clamping part 41, an auxiliary ring 45 and an auxiliary groove 50.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the high-sealing hexagonal flange bolt of the present invention includes a bolt head 1, a flange 2, a bolt bar 3, an inner seal ring 5, an outer seal ring 4, and locking teeth 25, wherein the bolt head 1 is in the shape of a regular hexagonal prism, a bolt bar 3 is fixed at the bottom of the bolt head 1, external threads 30 are provided on the bolt bar 3, the flange 2 is fixed on the side wall of the bolt head 1 close to the bolt bar 3, a plurality of locking teeth 25 are provided at the bottom of the flange 2, the locking teeth 25 are distributed in an annular region surrounding the bolt bar 3, the inner seal ring 5 is sleeved outside the bolt bar 3, the inner seal ring 5 is located in the region surrounded by the annular region where the locking teeth 25 are located, an annular groove 20 is provided at the bottom of the flange 2, the upper portion of the outer seal ring 4 is clamped in the annular groove 20, the bolt head 1, the flange 2, and the bolt bar 3 are in an integrated structure and are all, the up end of ring flange 2 is a conical surface, ring groove 20 cross-section is the isosceles trapezoid of invering, and 4 upper portions of outer seal ring are equipped with the joint portion 41 that suits with ring groove 20, the bottom of outer seal ring 4 is equipped with a seal groove 40, and the inner wall of outer seal ring 4 and the lower part of outer wall all are equipped with round auxiliary ring 45, and auxiliary ring 45 bottom and 4 bottom parallel and level of outer seal ring, auxiliary ring 45 and 4 formula structures as an organic whole of outer seal ring, the 40 cross-sections of seal groove are isosceles triangle-shaped, and the thickness of auxiliary ring 45 is less than the degree of depth of seal groove 40, inner seal ring 5 is the water swelling sealing ring, is equipped with a plurality of rings auxiliary groove 50 on the lateral wall of inner seal ring 5, and auxiliary groove 50 cross-section is triangle-.
The utility model discloses the working process:
in the working process of the high-tightness hexagonal flange bolt, the inner sealing ring 5 is matched with the outer sealing ring 4, so that the bolt has good tightness after being screwed, and the bolt is effectively protected; the arrangement of the anti-loosening teeth 25 enables the bolt to have good anti-loosening performance; the provision of the seal groove 45 further improves the sealing performance of the bolt.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a high leakproofness hexagon flange bolt which characterized in that: comprises a bolt head (1), a flange plate (2), a bolt rod (3), an inner sealing ring (5), an outer sealing ring (4) and anti-loosening teeth (25), the bolt head (1) is in a regular hexagonal prism shape, the bottom of the bolt head (1) is fixed with a bolt rod (3), the bolt rod (3) is provided with external threads (30), the side wall of the bolt head (1) close to the bolt rod (3) is fixed with a flange plate (2), the bottom of the flange plate (2) is provided with a plurality of anti-loosening teeth (25), the anti-loosening teeth (25) are distributed in an annular area surrounding the bolt rod (3), an inner sealing ring (5) is sleeved outside the bolt rod (3), the inner sealing ring (5) is positioned in an area surrounded by an annular area where the anti-loosening teeth (25) are positioned, the bottom of the flange plate (2) is provided with an annular clamping groove (20), and the upper part of the outer sealing ring (4) is clamped in the annular clamping groove (20).
2. A high-sealability hexagonal flange bolt according to claim 1, wherein: the bolt head (1), the flange plate (2) and the bolt rod (3) are of an integrated structure and are all located on the same axis.
3. A high-sealability hexagonal flange bolt according to claim 1, wherein: the upper end surface of the flange plate (2) is a conical surface.
4. A high-sealability hexagonal flange bolt according to claim 1, wherein: the section of the annular clamping groove (20) is in an inverted isosceles trapezoid shape, and the upper part of the outer sealing ring (4) is provided with a clamping part (41) matched with the annular clamping groove (20).
5. A high-sealability hexagonal flange bolt according to claim 1, wherein: the bottom of outer seal circle (4) is equipped with one seal groove (40), and the inner wall of outer seal circle (4) and the lower part of outer wall all are equipped with round auxiliary ring (45), and auxiliary ring (45) bottom and outer seal circle (4) bottom parallel and level, auxiliary ring (45) and outer seal circle (4) formula structure as an organic whole.
6. A high leakproofness hexagon flange bolt according to claim 5, characterized in that: the section of the sealing groove (40) is in an isosceles triangle shape, and the thickness of the auxiliary ring (45) is smaller than the depth of the sealing groove (40).
7. A high-sealability hexagonal flange bolt according to claim 1, wherein: the inner sealing ring (5) is a water swelling sealing ring, a plurality of auxiliary grooves (50) are arranged on the outer side wall of the inner sealing ring (5), and the cross section of each auxiliary groove (50) is triangular.
8. A high-sealability hexagonal flange bolt according to claim 1, wherein: lubricating grease is coated in the annular clamping groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639212.1U CN212455173U (en) | 2020-08-10 | 2020-08-10 | High leakproofness hexagon flange bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639212.1U CN212455173U (en) | 2020-08-10 | 2020-08-10 | High leakproofness hexagon flange bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455173U true CN212455173U (en) | 2021-02-02 |
Family
ID=74475605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639212.1U Active CN212455173U (en) | 2020-08-10 | 2020-08-10 | High leakproofness hexagon flange bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455173U (en) |
-
2020
- 2020-08-10 CN CN202021639212.1U patent/CN212455173U/en active Active
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