CN221111597U - Fastening device of hexagonal fastener in deep and narrow space - Google Patents
Fastening device of hexagonal fastener in deep and narrow space Download PDFInfo
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- CN221111597U CN221111597U CN202322936681.XU CN202322936681U CN221111597U CN 221111597 U CN221111597 U CN 221111597U CN 202322936681 U CN202322936681 U CN 202322936681U CN 221111597 U CN221111597 U CN 221111597U
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- interference ring
- hexagonal
- fastener
- fastening device
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- 238000009434 installation Methods 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 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
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Abstract
The utility model discloses a fastening device of a hexagonal fastener in a deep and narrow space, which comprises a locking rod, wherein one end of the locking rod is sequentially provided with knurling and a top hexagonal column from inside to outside, the other end of the locking rod is sequentially provided with a bottom hexagonal column, a round flange and a threaded column for installing a nut from outside to inside, the rest middle part of the locking rod is a polished rod, an interference ring is sleeved outside the round flange, the end part of the interference ring is provided with an inner flange with the inner diameter smaller than that of the interference ring, the inner flange is fixed between the interference ring and the nut, and the outer edge of the inner circular surface of the interference ring is provided with a chamfer; the utility model can be used for installing hexagonal fasteners in deep and narrow spaces, and can realize the fastening of the deep and narrow spaces to devices.
Description
Technical Field
The utility model belongs to the technical field of installation and fastening, and particularly relates to a fastening device of a hexagon socket fastener, which is suitable for occasions with deep and narrow space restrictions.
Background
At present, many marine equipment requires small volume and high power density ratio, so that the installation space of devices is smaller and smaller, and the installation space of the devices is greatly limited.
Most devices are fixed in the device mounting holes through the internal hexagonal fasteners in a screwed mode, and the requirements of deep and narrow spaces cannot be met by the traditional fastening tools whether the fasteners are positioned or screwed.
Disclosure of utility model
The utility model aims to provide a fastening device for a hexagonal fastener in a deep and narrow space, which aims to solve the problem of fastening devices in the deep and narrow space, complete the space which cannot be reached by hands and common tools, and complete the fastening work of the hexagonal fastener.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fastener of hexagonal fastener in dark narrow space, includes the locking lever, locking lever one end sets gradually annular knurl and top hexagonal post from inside to outside, the other end sets gradually bottom hexagonal post, circular flange and installation nut's screw thread post from outside to inside, the remaining middle part of locking lever is the polished rod, circular flange overcoat be equipped with the interference ring, interference ring tip has the internal flange that the internal diameter is less than the interference ring, internal flange fix between interference ring and nut, the interior round surface outer fringe of interference ring is provided with the chamfer.
The fastening device of the hexagonal fastener in the deep and narrow space is characterized in that a tool retracting groove is arranged between the circular flange and the threaded column.
The outer edge of the bottom hexagonal column of the fastening device of the hexagonal fastener in the deep and narrow space is provided with a chamfer.
The inner diameter of the nut of the fastening device of the hexagonal fastener in the deep and narrow space is larger than the outer diameter of the top hexagonal column and the knurling.
According to the fastening device of the hexagonal fastener in the deep and narrow space, the interference ring can be made of nonmetallic materials with soft texture and strong toughness.
The beneficial effects of the utility model are as follows: according to the utility model, the bottom hexagonal column matched with the inner hexagon of the fastener and the interference ring matched with the appearance of the fastener are arranged, the cavity for accommodating the inner hexagon fastener is formed between the bottom hexagonal column and the interference ring, and the inner hexagon fastener is fed into the deep narrow space through the locking rod to operate the inner hexagon fastener.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lock lever of the present utility model;
fig. 3 is a schematic structural view of an interference ring of the present utility model.
The reference numerals are as follows: 1-locking rod, 1.1-bottom hexagonal column, 1.2-round flange, 1.3-tool withdrawal groove, 1.4-threaded column, 1.5-polish rod, 1.6-knurling, 1.7-top hexagonal column, 2-interference ring, 2.1-chamfer, 2.2-inner round surface, 2.3-inner flange and 3-nut.
Description of the embodiments
Embodiments of the utility model are further described below with reference to specific examples and figures.
Referring to fig. 1, 2 and 3, the utility model discloses a fastening device of a hexagonal fastener in a deep and narrow space, which mainly comprises a locking rod 1, an interference ring 2 and a nut 3; the middle part of the locking rod 1 is a polished rod 1.5, knurling 1.6 and a top hexagonal column 1.7 are sequentially arranged at one end of the locking rod 1 from inside to outside, a bottom hexagonal column 1.1, a round flange 1.2 and a threaded column 1.4 for installing a nut 3 are sequentially arranged at the other end of the locking rod from outside to inside, the inner diameter of the nut 3 is larger than the outer diameters of the top hexagonal column 1.7 and the knurling 1.6, an interference ring 2 is sleeved outside the round flange 1.2, the interference ring 2 can be made of nonmetallic materials with soft texture and strong toughness, the inner diameter of the end part of the interference ring 2 is smaller than the inner flange 2.3 of the interference ring 2, the inner flange 2.3 is fixed between the interference ring 2 and the nut 3, a chamfer 2.1 is arranged at the outer edge of the inner circular surface 2.2 of the interference ring, and the inner diameter of the inner hexagonal fastener can be in interference fit with the outer diameter of the inner hexagonal fastener.
In addition, a tool retracting groove 1.3 is arranged between the circular flange 1.2 and the threaded column 1.4; the outer edge of the bottom hexagonal column 1.1 is provided with a chamfer angle, so that the inner hexagon of the fastener can be conveniently inserted.
During assembly, the interference ring 2 penetrates downwards from the top hexagonal column 1.7 of the locking rod 1, the inner flange 2.3 of the interference ring 2 is matched with a stop after reaching the position of the circular flange 1.2, the nut 3 penetrates downwards from the top hexagonal column 1.7 of the locking rod 1 until reaching the position of the threaded column 1.4, the interference ring 2 is tightly pressed by screwing in the threaded column 1.4, the interference ring 2 is pressed on the circular flange 1.2, and the fixation of the interference ring 2 can be realized, so that the assembly of the fastening device is completed.
According to the utility model, the bottom hexagonal column 1.1 is arranged at the lower end of the locking rod 1, the outer edge of the bottom hexagonal column 1.1 is provided with a chamfer, the bottom hexagonal column 1.1 can be matched with the inner hexagon of a fastener, the upper end of the bottom hexagonal column 1.1 is provided with the circular flange 1.2, the upper part of the circular flange 1.2 is provided with the tool withdrawal groove 1.3, the upper part of the tool withdrawal groove 1.3 is provided with a section of thread column 1.4 for installing the nut 3, so that the circular flange 1.2 and the nut 3 can clamp the interference ring 2 from two sides, the upper part of the thread column 1.4 is provided with a section of polished rod 1.5, the length of the polished rod 1.5 can be determined according to the depth of a space, the upper part of the polished rod 1.5 is provided with a section of knurled 1.6, the fastener is conveniently and the upper part of the knurled 1.6 is provided with the top hexagonal column 1.7 for being matched and locked with a torque tool.
When the screw is used, the inner hexagon nut of the screw is plugged into the interference ring 2, the screw is rotated to adjust the angle, so that the inner hexagon of the screw is sleeved into the bottom hexagonal column 1.1 of the locking rod 1, the interference inner circular surface 2.2 is in interference fit with the outer circular surface of the screw, and the screw and the fastening device are firmly connected without falling after the interference ring 2 is extruded to the bottom. At the moment, the knurling 1.6 of the locking rod 1 is held, the screw can be placed into the device mounting hole through the fastening device, then the locking rod 1 is rotated to enable the screw to be primarily screwed into the device mounting hole, then a moment tool is used for matching with the top hexagonal column 1.7 of the locking rod 1, the screw is locked by applying a moment, and finally the fastening device is pulled out, so that the screw fastening work can be completed.
The utility model solves the problem that the existing fastening tool cannot fasten deep and narrow space, so that the device does not need to reserve a large fastening space for internal devices, and the volume of the device is minimized.
The utility model has simple manufacture, low cost, simple installation and use and reliable function, can fasten devices in the space which cannot be reached by hands and common tools, can greatly reduce the reserved space for device installation and maintenance, provides conditions for designing small-volume high-power density ratio equipment, and has important economic and social benefits.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and some practical embodiments, and variations and modifications may be made by those skilled in the art without departing from the inventive concept, which are all within the scope of the present utility model.
Claims (5)
1. A fastener for a hexagonal fastener in a deep and narrow space, comprising: including locking lever (1), locking lever (1) one end sets gradually annular knurl (1.6) and top hexagonal post (1.7), and the other end sets gradually threaded column (1.4) of bottom hexagonal post (1.1), circular flange (1.2) and installation nut (3), locking lever (1) middle part be polished rod (1.5), circular flange (1.2) overcoat be equipped with interference ring (2), interference ring (2) tip has internal flange (2.3) that the internal diameter is less than interference ring (2), internal flange (2.3) fix between interference ring (2) and nut (3), the interior round surface (2.2) outer fringe of interference ring (2) is provided with chamfer (2.1).
2. A fastening device for a hexagonal fastener in deep narrow space according to claim 1, characterized in that a clearance (1.3) is provided between the circular flange (1.2) and the threaded post (1.4).
3. A fastening device for a deep-narrow space hexagon fastener according to claim 1, characterized in that the outer edges of the bottom hexagonal column (1.1) are provided with chamfers.
4. A fastening device for a deep-narrow space hexagon fastener according to claim 1, characterized in that the nut (3) has an inner diameter larger than the outer diameter of the top hexagonal column (1.7) and knurling (1.6).
5. A fastening device for a deep-drawing female fastener as claimed in claim 1, wherein said interference ring (2) is of non-metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322936681.XU CN221111597U (en) | 2023-10-31 | 2023-10-31 | Fastening device of hexagonal fastener in deep and narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322936681.XU CN221111597U (en) | 2023-10-31 | 2023-10-31 | Fastening device of hexagonal fastener in deep and narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221111597U true CN221111597U (en) | 2024-06-11 |
Family
ID=91369439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322936681.XU Active CN221111597U (en) | 2023-10-31 | 2023-10-31 | Fastening device of hexagonal fastener in deep and narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221111597U (en) |
-
2023
- 2023-10-31 CN CN202322936681.XU patent/CN221111597U/en active Active
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