CN111810513A - Big flange face extrusion self sealss check bolt of hexagonal - Google Patents
Big flange face extrusion self sealss check bolt of hexagonal Download PDFInfo
- Publication number
- CN111810513A CN111810513A CN202010793293.9A CN202010793293A CN111810513A CN 111810513 A CN111810513 A CN 111810513A CN 202010793293 A CN202010793293 A CN 202010793293A CN 111810513 A CN111810513 A CN 111810513A
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- CN
- China
- Prior art keywords
- bolt
- ring
- sealing
- groove
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 241000283216 Phocidae Species 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a hexagonal large flange face extrusion self-sealing anti-loose bolt which comprises a bolt head, a flange plate, a bolt rod, an inner sealing ring, an outer sealing ring and anti-loose teeth, wherein the bolt head is in a regular hexagonal prism shape, the bottom of the bolt head is fixedly provided with the bolt rod, the bolt rod is provided with external threads, the flange plate is fixedly arranged on the side wall, close to the bolt rod, of the bolt head, the bottom of the flange plate is provided with a plurality of anti-loose teeth, the anti-loose teeth are distributed in an annular area surrounding the bolt rod, the inner sealing ring is sleeved outside the bolt rod and is positioned in the area surrounded by the annular area where the anti-loose teeth are positioned, the bottom of the flange plate is provided with an annular clamping groove, and the upper. According to the invention, the inner sealing ring is matched with the outer sealing ring, so that the bolt has good sealing property after being screwed down, and the bolt is effectively protected.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of bolts.
[ 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.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a hexagonal large flange face extrusion self-sealing anti-loosening bolt which can enable the bolt to have good sealing performance and anti-loosening performance.
In order to achieve the purpose, the invention provides a hexagonal large flange face extrusion self-sealing anti-loose bolt which comprises a bolt head, a flange plate, a bolt rod, an inner sealing ring, an outer sealing ring and anti-loose teeth, wherein the bolt head is in a regular hexagonal prism shape, the bottom of the bolt head is fixedly provided with the bolt rod, the bolt rod is provided with external threads, the flange plate is fixedly arranged on the side wall, close to the bolt rod, of the bolt head, the bottom of the flange plate is provided with a plurality of anti-loose teeth, the anti-loose teeth are distributed in an annular area surrounding the bolt rod, the inner sealing ring is sleeved outside the bolt rod and is positioned in an area surrounded by the annular area where the anti-loose teeth are positioned, the bottom of the flange plate is provided with an annular clamping groove, and.
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 outer sealing ring is composed of an upper ring body and a lower ring body, the upper ring body is fixed to the top of the lower ring body, the section of the upper ring body is circular, the section of the lower ring body is vertically arranged to be rectangular, the diameter of the section of the upper ring body is larger than the width of the section of the lower ring body, twice the width of the section of the upper ring body is smaller than the width of the section of the lower ring body, the annular clamping groove is composed of a first groove body and a second groove body, the first groove body is matched with the upper ring body, and the second groove body is matched with the lower ring body.
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 invention has the beneficial effects that: according to the invention, the inner sealing ring is matched with the outer sealing ring, so that the bolt has good sealing property after being screwed down, 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 in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a hexagonal large flange face extrusion self-sealing check bolt of the invention;
fig. 2 is a partial schematic view of the hexagonal large flange face extrusion self-sealing check bolt of the invention.
In the figure: the anti-loosening 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 first groove body 21, a second groove body 22, a locking tooth 25, an outer thread 30, a sealing groove 40, an upper ring body 41, a lower ring body 42, an auxiliary ring 45 and an auxiliary groove 50.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the hexagonal large flange face extrusion self-sealing anti-loose bolt 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-loose teeth 25, wherein the bolt head 1 is in a regular hexagonal prism shape, the bottom of the bolt head 1 is fixedly provided with the 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 fixedly provided with the flange plate 2, the bottom of the flange plate 2 is provided with the anti-loose teeth 25, the anti-loose teeth 25 are distributed in an annular area surrounding the bolt rod 3, the inner sealing ring 5 is sleeved outside the bolt rod 3, the inner sealing ring 5 is positioned in an area surrounded by the annular area where the anti-loose teeth 25 are positioned, the bottom of the flange plate 2 is provided with an annular clamping groove 20, the upper part of the outer sealing ring 4 is clamped in the annular, The bolt bar 3 is of an integrated structure and is positioned on the same axis, the upper end face of the flange plate 2 is a conical surface, the outer sealing ring 4 is composed of an upper ring body 41 and a lower ring body 42, the upper ring body 41 is fixed at the top of the lower ring body 42, the section of the upper ring body 41 is in a circular ring shape, the section of the lower ring body 42 is in a vertically arranged rectangle shape, the diameter of the section of the upper ring body 41 is larger than the width of the section of the lower ring body 42, the twice of the ring width of the section of the upper ring body 41 is smaller than the width of the section of the lower ring body 42, the annular clamping groove 20 is composed of a first groove body 21 and a second groove body 22, the first groove body 21 is matched with the upper ring body 41, the second groove body 22 is matched with the lower ring body 42, the bottom of the outer sealing ring 4 is provided with a sealing groove 40, the inner wall of the outer sealing ring 4 and the lower part of the outer wall are, the cross-section of seal groove 40 is isosceles triangle, and the thickness of auxiliary ring 45 is less than the degree of depth of seal groove 40, interior sealing washer 5 is the water swelling sealing ring, is equipped with a plurality of rings of auxiliary grooves 50 on the lateral wall of interior sealing washer 5, and the auxiliary groove 50 cross-section is triangle-shaped, lubricating grease has been paintd in ring groove 20.
The working process of the invention is as follows:
in the working process of the hexagonal large flange face extrusion self-sealing anti-loose bolt, the inner sealing ring 5 is matched with the outer sealing ring 4, so that the bolt has good sealing property after being screwed down, 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 embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a big flange face extrusion self sealss check bolt of hexagonal, its 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. The hexagonal large flange face extrusion self-sealing check bolt as claimed in 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. The hexagonal large flange face extrusion self-sealing check bolt as claimed in claim 1, wherein: the upper end surface of the flange plate (2) is a conical surface.
4. The hexagonal large flange face extrusion self-sealing check bolt as claimed in claim 1, wherein: the outer sealing ring (4) is composed of an upper ring body (41) and a lower ring body (42), the upper ring body (41) is fixed to the top of the lower ring body (42), the section of the upper ring body (41) is circular, the section of the lower ring body (42) is vertically arranged in a rectangular shape, the diameter of the section of the upper ring body (41) is larger than the width of the section of the lower ring body (42), the two times of the ring width of the section of the upper ring body (41) are smaller than the width of the section of the lower ring body (42), the annular clamping groove (20) is composed of a first groove body (21) and a second groove body (22), the first groove body (21) is matched with the upper ring body (41), and the second groove body (22) is matched with the lower ring body (42).
5. The hexagonal large flange face extrusion self-sealing check bolt as claimed in 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. The hexagonal large flange face extrusion self-sealing check bolt as claimed in claim 5, wherein: 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. The hexagonal large flange face extrusion self-sealing check bolt as claimed in 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. The hexagonal large flange face extrusion self-sealing check bolt as claimed in claim 1, wherein: lubricating grease is coated in the annular clamping groove (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010793293.9A CN111810513A (en) | 2020-08-10 | 2020-08-10 | Big flange face extrusion self sealss check bolt of hexagonal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010793293.9A CN111810513A (en) | 2020-08-10 | 2020-08-10 | Big flange face extrusion self sealss check bolt of hexagonal |
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CN111810513A true CN111810513A (en) | 2020-10-23 |
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CN202010793293.9A Pending CN111810513A (en) | 2020-08-10 | 2020-08-10 | Big flange face extrusion self sealss check bolt of hexagonal |
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CN (1) | CN111810513A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113292590A (en) * | 2021-05-21 | 2021-08-24 | 江西国化实业有限公司 | Separation device for preparing trimethylsilyl trifluoromethanesulfonate and using method |
CN113685414A (en) * | 2021-09-02 | 2021-11-23 | 浙江盛世瑞金紧固件股份有限公司 | Extrusion type sealing bolt self-adaptive to mounting plane |
-
2020
- 2020-08-10 CN CN202010793293.9A patent/CN111810513A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113292590A (en) * | 2021-05-21 | 2021-08-24 | 江西国化实业有限公司 | Separation device for preparing trimethylsilyl trifluoromethanesulfonate and using method |
CN113685414A (en) * | 2021-09-02 | 2021-11-23 | 浙江盛世瑞金紧固件股份有限公司 | Extrusion type sealing bolt self-adaptive to mounting plane |
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