CN211039339U - Expandable novel bolt fastener - Google Patents
Expandable novel bolt fastener Download PDFInfo
- Publication number
- CN211039339U CN211039339U CN201921867489.7U CN201921867489U CN211039339U CN 211039339 U CN211039339 U CN 211039339U CN 201921867489 U CN201921867489 U CN 201921867489U CN 211039339 U CN211039339 U CN 211039339U
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- thread section
- nut
- expansion
- screw rod
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Abstract
The utility model discloses a novel bolt fastener of expansibility type, be equipped with the gasket including the nut at screw rod and top and on the screw rod between nut and the nut through corresponding screw thread swing joint with the screw rod, the screw rod is including the top screw thread section, extension section I, middle part screw thread section, extension section II and the bottom screw thread section that from top to bottom connects gradually. The utility model provides a multiple combination uses the structure, satisfies multiple demand.
Description
Technical Field
The utility model relates to a fastener field especially relates to a novel bolt fastener of extensible type.
Background
Bolts of the prior art are individual bolts and currently, there is still a lack of expandable bolt fasteners that meet the needs of a variety of situations.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to prior art not enough and defect, the utility model provides a novel bolt fastener of extensible type provides multiple integrated usage structure, satisfies multiple demand.
The technical scheme is as follows: the utility model discloses a novel bolt fastener of extensible type, its characterized in that: the screw comprises a top thread section, an expansion section I, a middle thread section, an expansion section II and a bottom thread section which are sequentially connected from top to bottom; the top thread section is fixedly connected with the nut, an internal thread section I is arranged at the bottom of the top thread section, and the height of the top thread section is greater than that of the nut; the external thread section I at the top of the expansion section I is movably connected with the internal thread section I at the bottom of the top thread section, and the height of the expansion section I is greater than that of the nut; the top of the middle threaded section is provided with an external threaded section II, the bottom of the middle threaded section is provided with an internal threaded section III, the external threaded section II at the top of the middle threaded section is movably connected with the internal threaded section I at the bottom of the expansion section I, and the height of the middle threaded section is greater than that of the nut; the external thread section III at the top of the expansion section II is movably connected with the internal thread section III at the bottom of the middle thread section, and the height of the expansion section II is greater than that of the nut; an external thread section IV is arranged at the top of the bottom thread section, the external thread section IV at the top of the bottom thread section is movably connected with an internal thread section IV at the bottom of the expansion section II, and the height of the bottom thread section is greater than that of the nut.
The cross section of the nut is hexagonal.
Wherein, the cross-sectional shape of gasket be hexagon or circular.
Wherein, the gasket is a rubber gasket or a plastic gasket.
The cross section of the nut is hexagonal.
Has the advantages that: compared with the prior art, the utility model has the following apparent advantage: the utility model can manufacture expandable bolt fasteners according to actual needs, and set the length of each thread section; the utility model provides a multiple combination uses the structure, satisfies multiple demand.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view I of the connection structure of the present invention;
fig. 3 is a schematic view II of the connection structure of the present invention;
in the figure, 1 is a nut, 2 is a gasket, 3 is a nut, 4 is a screw, 5 is a top thread section, 6 is a bottom thread section, 7 is a middle thread section, 8 is an expansion section I, 9 is an expansion section II, 10 is an external thread section I, 11 is an external thread section II, 12 is an external thread section III, 13 is an external thread section IV, 14 is an internal thread section I, 15 is an internal thread section II, 16 is an internal thread section III, and 17 is an internal thread section IV.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and the detailed description.
The utility model discloses a novel bolt fastener of extensible type, including screw rod 4 and the nut 1 at its top and be equipped with on screw rod 4 and pass through nut 3 and the gasket 2 is equipped with between nut 3 and the nut 1 that corresponds screw thread swing joint with screw rod 4, screw rod 4 includes top screw thread section 5, expansion section I8, middle part screw thread section 7, expansion section II9 and bottom screw thread section 6 that connect gradually from top to bottom; the top threaded section 5 is fixedly connected with the nut 1, an inner threaded section I14 is arranged at the bottom of the top threaded section 5, and the height of the top threaded section 5 is greater than that of the nut 3; no thread is arranged outside the expanding section I8, an external thread section I10 is arranged at the top of the expanding section I8, an internal thread section II15 is arranged at the bottom of the expanding section I8, an external thread section I10 at the top of the expanding section I8 is movably connected with an internal thread section I14 at the bottom of the top thread section 5, and the height of the expanding section I8 is greater than that of the nut 3; the top of the middle threaded section 7 is provided with an external threaded section II11, the bottom of the middle threaded section 7 is provided with an internal threaded section III16, the external threaded section II11 at the top of the middle threaded section 7 is movably connected with the internal threaded section I14 at the bottom of the expanding section I8, and the height of the middle threaded section 7 is greater than that of the nut 3; no thread is arranged outside the expanding section II9, an external thread section III12 is arranged at the top of the expanding section II9, an internal thread section IV17 is arranged at the bottom of the expanding section II9, an external thread section III12 at the top of the expanding section II9 is movably connected with an internal thread section III16 at the bottom of the middle thread section 7, and the height of the expanding section II9 is greater than that of the nut 3; the top of the bottom thread section 6 is provided with an external thread section IV13, the external thread section IV13 at the top of the bottom thread section 6 is movably connected with an internal thread section IV17 at the bottom of the expanding section II9, and the height of the bottom thread section 6 is larger than that of the nut 3. Wherein, the cross-sectional shape of nut 1 is hexagonal. The cross-sectional shape of the gasket 2 is hexagonal or circular. The gasket 2 is a rubber gasket or a plastic gasket. The nut 3 has a hexagonal cross-sectional shape.
The use method I comprises the following steps: the screw 4 is an independent top thread section 5 and is used under the condition that the length of the screw 4 is required to be 20-40 mm;
the use method II comprises the following steps: the screw 4 is a combination of a top threaded section 5, an expansion section I8 and a middle threaded section 7, and is used under the condition that the length of the screw 4 is required to be 40-120 mm;
the using method comprises the following steps: the screw 4 is formed by combining a top thread section 5, an expansion section I8, a middle thread section 7, an expansion section II9 and a bottom thread section 6, and is used under the condition that the length of the screw 4 is required to be 100-200 mm;
the using method is as follows: the screw 4 is a combination of a top threaded section 5, a plurality of expansion sections I8 or expansion sections II9 and a middle threaded section 7, and the number of the expansion sections I8 or expansion sections II9 is set according to requirements;
the using method comprises the following steps: the screw 4 is formed by combining a top thread section 5, a plurality of expansion sections I8 or expansion sections II9, a middle thread section 7, a plurality of expansion sections I8 or expansion sections II9 and a bottom thread section 6, and the number of the expansion sections I8 or expansion sections II9 is set according to needs;
use the bolt of this application, can make the bolt fastening spare that can expand the type according to actual need, set up the length of each screw thread section, satisfy multiple demand.
Claims (5)
1. Novel bolt fastener of extensible type, its characterized in that: the screw rod (4) comprises a screw rod (4) and a nut (1) arranged at the top of the screw rod, wherein the screw rod (4) is provided with a nut (3) movably connected with the screw rod (4) through a corresponding thread, a gasket (2) is arranged between the nut (3) and the nut (1), and the screw rod (4) comprises a top thread section (5), an expansion section I (8), a middle thread section (7), an expansion section II (9) and a bottom thread section (6) which are sequentially connected from top to bottom; the top threaded section (5) is fixedly connected with the nut (1), an internal threaded section I (14) is arranged at the bottom of the top threaded section (5), and the height of the top threaded section (5) is greater than that of the nut (3); the external part of the expansion section I (8) is not provided with threads, the top of the expansion section I (8) is provided with an external thread section I (10), the bottom of the expansion section I (8) is provided with an internal thread section II (15), the external thread section I (10) at the top of the expansion section I (8) is movably connected with an internal thread section I (14) at the bottom of the top thread section (5), and the height of the expansion section I (8) is greater than that of the nut (3); an external thread section II (11) is arranged at the top of the middle thread section (7), an internal thread section III (16) is arranged at the bottom of the middle thread section (7), the external thread section II (11) at the top of the middle thread section (7) is movably connected with an internal thread section I (14) at the bottom of the expansion section I (8), and the height of the middle thread section (7) is greater than that of the nut (3); the external part of the expansion section II (9) is not provided with threads, the top of the expansion section II (9) is provided with an external thread section III (12), the bottom of the expansion section II (9) is provided with an internal thread section IV (17), the external thread section III (12) at the top of the expansion section II (9) is movably connected with an internal thread section III (16) at the bottom of the middle thread section (7), and the height of the expansion section II (9) is greater than that of the nut (3); an external thread section IV (13) is arranged at the top of the bottom thread section (6), the external thread section IV (13) at the top of the bottom thread section (6) is movably connected with an internal thread section IV (17) at the bottom of the expansion section II (9), and the height of the bottom thread section (6) is greater than that of the nut (3).
2. The novel bolt fastener of claim 1, wherein: the cross section of the nut (1) is hexagonal.
3. The novel bolt fastener of claim 1, wherein: the cross section of the gasket (2) is hexagonal or circular.
4. The novel bolt fastener of claim 1, wherein: the gasket (2) is a rubber gasket or a plastic gasket.
5. The novel bolt fastener of claim 1, wherein: the cross section of the nut (3) is hexagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867489.7U CN211039339U (en) | 2019-10-31 | 2019-10-31 | Expandable novel bolt fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867489.7U CN211039339U (en) | 2019-10-31 | 2019-10-31 | Expandable novel bolt fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039339U true CN211039339U (en) | 2020-07-17 |
Family
ID=71564594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867489.7U Active CN211039339U (en) | 2019-10-31 | 2019-10-31 | Expandable novel bolt fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039339U (en) |
-
2019
- 2019-10-31 CN CN201921867489.7U patent/CN211039339U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |