CN112013005B - Hexagonal head slotted nut with self-locking function - Google Patents
Hexagonal head slotted nut with self-locking function Download PDFInfo
- Publication number
- CN112013005B CN112013005B CN202010808287.6A CN202010808287A CN112013005B CN 112013005 B CN112013005 B CN 112013005B CN 202010808287 A CN202010808287 A CN 202010808287A CN 112013005 B CN112013005 B CN 112013005B
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- China
- Prior art keywords
- hexagonal
- nut
- self
- nut body
- locking function
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- 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.)
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
Abstract
The invention discloses a hexagonal head slotted nut with a self-locking function, which comprises a nut body, wherein the cross section of the nut body is hexagonal, a threaded hole is formed in the middle of the nut body, six surfaces of the nut body are respectively provided with a groove, and the side surface of the nut body is provided with a limiting ring; the side surface of the nut body is provided with an installation groove, the limiting ring is installed in the installation groove, and a plurality of first return springs are installed between the limiting ring and the bottom end of the installation groove; six telescopic links are installed to the spacing ring upper end, are located two of opposite face the telescopic link top is equipped with a connecting hole and a connecting strip respectively, the connecting strip passes the connecting hole. Through the mode, the hexagonal-head slotted nut with the self-locking function is provided with the limiting ring, and the depth of the open slot is controlled through the lifting of the limiting ring, so that the hexagonal-head slotted nut can be matched with wheel shaft screws with pin holes at different positions for use, and can be locked without split pins.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a hexagonal-head slotted nut with a self-locking function.
Background
The slotted nut mainly refers to a hexagonal slotted nut, namely a slot is processed above the hexagonal nut, the slotted nut is matched with a bolt with a hole and a cotter pin of a screw rod for use, so as to prevent the relative rotation of the bolt and the nut, the front wheel shaft and the rear wheel shaft of a vehicle are fixed by the screw rods of the front wheel shaft and the rear wheel shaft through fastening, so that the vehicle frame and the tire are fixed together, in order to prevent the nut from loosening, the cotter pin is fixed by the slot of the slotted nut, the cotter pin needs to pass through the middle of the wheel shaft screw rod to fix the slotted nut, usually, holes are needed to be drilled at both ends of the wheel shaft screw rod, the diameter of the holes and the slot width and the slot depth of the slotted nut determine the selected split pin with which specification, when the selected wheel shaft screw rod is matched with the split pin and the slotted nut, the nut fixes the front wheel and the vehicle frame through the wheel shaft screw rod, the slotted nut is fastened by the split pin through the hole of the wheel shaft screw rod, so that the slotted nut does not loosen, the vehicle can not loosen when moving, and the slotted nuts are matched with the wheel shaft screws one by one.
Disclosure of Invention
The invention mainly solves the technical problem of providing a hexagonal head slotted nut with a self-locking function, which can be matched with wheel shaft screws with pin holes at different positions for use.
In order to solve the technical problems, the invention adopts a technical scheme that: a hexagonal-head slotted nut with a self-locking function comprises a nut body, wherein the cross section of the nut body is hexagonal, a threaded hole is formed in the middle of the nut body, six surfaces of the nut body are respectively provided with a groove, the openings of the grooves are upward, and a limiting ring is arranged on the side surface of the nut body;
the side surface of the nut body is provided with an installation groove, the limiting ring is installed in the installation groove, and a plurality of first return springs are installed between the limiting ring and the bottom end of the installation groove;
six telescopic links are installed to the spacing ring upper end, six the telescopic link is located six respectively in the recess, be located two of opposite face the telescopic link top is equipped with a connecting hole and a connecting strip respectively, the connecting strip passes the connecting hole.
In a preferred embodiment of the present invention, the limiting ring is matched with the mounting groove.
In a preferred embodiment of the present invention, the connecting bar is matched with the connecting hole.
In a preferred embodiment of the invention, the height of the telescopic rod when being retracted is lower than the thickness of the side wall of the nut body.
In a preferred embodiment of the invention, the telescopic rod is formed by combining a plurality of sleeves, and the plurality of sleeves are connected in sequence from outside to inside.
In a preferred embodiment of the invention, a plurality of second return springs are arranged between the bottom of the sleeve on the outermost layer and the bottom of the sleeve on the innermost layer.
In a preferred embodiment of the invention, the connecting strip is composed of two bendable connecting plates.
In a preferred embodiment of the invention, the top parts of the two connecting plates are provided with outwards turned folding angles.
In a preferred embodiment of the present invention, the outer edge of the bevel is circular arc-shaped, and the circular arc-shaped outer edge is provided with an external thread.
In a preferred embodiment of the invention, the two connecting plates pass through the connecting holes and then are opened towards two sides, and a threaded cover is arranged on the connecting plates.
The invention has the beneficial effects that: the hexagonal-head slotted nut with the self-locking function is provided with the limiting ring, and the depth of the open slot is controlled by the lifting of the limiting ring, so that the hexagonal-head slotted nut can be matched with wheel shaft screws with pin holes at different positions for use, and can be locked without split pins.
Drawings
Fig. 1 is a front view of a hexagonal-head slotted nut with a self-locking function.
Fig. 2 is a top view of a hexagonal-head slotted nut with self-locking function.
Fig. 3 is a front view of a hexagonal head slotted nut limiting ring with a self-locking function.
Fig. 4 is a schematic view of a hexagonal slotted nut with self-locking function when connected with two telescopic rods.
The parts in the drawings are numbered as follows: 1. a nut body; 2. a groove; 3. a limiting ring; 4. a first return spring; 5. a second return spring; 6. a telescopic rod; 7. connecting holes; 8. a connecting plate; 9. bending the corner; 10. a threaded cap; 11. and (4) mounting the groove.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 to 4, a hexagonal slotted nut with a self-locking function includes a nut body 1, a cross section of the nut body 1 is hexagonal, a threaded hole is formed in the middle of the nut body 1, six faces of the nut body 1 are respectively provided with a groove 2, an opening of each groove 2 is upward, a limiting ring 3 is installed on a side surface of the nut body 1, and the limiting ring 3 is used for adjusting the height of each telescopic rod 6 to be consistent with the height of each pin hole of a wheel axle screw, so that the two telescopic rods 6 corresponding to the two ends of each pin hole are connected with each other, the slotted nut is tightly connected with the wheel axle screw, and the nut is prevented from falling off in a using process.
The side surface of the nut body 1 is provided with an installation groove 11, the limiting ring 3 is installed in the installation groove 11, the limiting ring 3 is matched with the installation groove 11, and the limiting ring 3 moves up and down in the installation groove 11, so that the height of the telescopic rod 6 is adjusted to be consistent with the height of a pin hole in a wheel shaft screw.
A plurality of first return springs 4 are arranged between the limiting ring 3 and the bottom end of the mounting groove 11, the first return springs 4 are used for returning the limiting ring 3, and the nut is fixed and then the limiting ring 3 is pressed down, so that the height of the telescopic rod 6 is consistent with the height of a pin hole in a wheel shaft screw.
Six telescopic links 6 are installed to the 3 upper ends of spacing ring, the height when the telescopic link 6 is packed up is less than the lateral wall thickness of nut body 1 for nut body 1 is more convenient when the installation.
Sixthly, the telescopic link 6 is located six respectively in the recess 2, the telescopic link 6 is formed by the combination of a plurality of sleeve pipe, and is a plurality of the sleeve pipe is connected gradually from outside to inside, and is outmost sleeve pipe bottom and inlayer install a plurality of second return spring 5 between the sleeve pipe bottom, second return spring 5 is used for the return of telescopic link 6.
Two that are located the opposite face 6 top of telescopic link is equipped with a connecting hole 7 and a connecting strip respectively, the connecting strip passes connecting hole 7, the connecting strip with connecting hole 7 cooperatees, makes the connecting strip can be smooth and easy pass connecting hole 7.
The connecting strip is composed of two bendable connecting plates 8, outwards turned folding angles 9 are arranged at the tops of the connecting plates 8, and the two connecting plates 8 are opened when the folding angles 9 are convenient to install.
The outer edge of the folded angle 9 is arc-shaped, external threads are arranged on the outer edge of the arc-shaped, the two connecting plates 8 penetrate through the connecting holes 7 and then are opened to two sides, a threaded cover 10 is installed, and internal threads of the threaded rod cover are matched with the external threads, so that the tops of the two telescopic rods 6 are prevented from being separated due to the action of external force.
When the nut body 1 is used, the wheel axle screw rod is connected with the nut body 1, the limiting ring 3 is pressed downwards until the positions of the telescopic rods 6 coincide with the positions of the pin holes of the wheel axle screw rod, the two telescopic rods 6 are ejected out by the rods, the two connecting plates 8 on the telescopic rods 6 at one ends penetrate through the connecting holes 7 on the telescopic rods 6 at the other ends, the two connecting plates 8 are folded by the rods, the folded angle 9 on the telescopic rod 6 at one end is attached to the inner surface of the other telescopic rod 6, and finally the threaded cover 10 is screwed on the external threads by the tweezers to finish final fixation.
Compared with the prior art, the hexagonal-head slotted nut with the self-locking function is provided with the limiting ring, and the depth of the open slot is controlled by the lifting of the limiting ring, so that the hexagonal-head slotted nut can be matched with wheel shaft screws with pin holes at different positions for use, and can be locked without split pins.
In the description of the present invention, it should be noted that all the components are general standard components or components known to those skilled in the art, the structure and principle of the components can be known by technical manuals or by conventional test methods, and the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate the orientations or positional relationships based on the drawings or the orientations or positional relationships usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus cannot be understood as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A hexagonal-head slotted nut with a self-locking function comprises a nut body, wherein the cross section of the nut body is hexagonal, a threaded hole is formed in the middle of the nut body, six surfaces of the nut body are respectively provided with a groove, and the openings of the grooves are upward;
the side surface of the nut body is provided with an installation groove, the limiting ring is installed in the installation groove, and a plurality of first return springs are installed between the limiting ring and the bottom end of the installation groove;
six telescopic rods are mounted at the upper end of the limiting ring and are respectively positioned in six grooves, a connecting hole and a connecting strip are respectively arranged at the top ends of the two telescopic rods positioned on the opposite surfaces, and the connecting strip penetrates through the connecting hole;
the connecting strip consists of two bendable connecting plates; and the tops of the two connecting plates are provided with outwards turned break angles, the outer edges of the break angles are arc-shaped, the outer edges of the arc-shaped break angles are provided with external threads, and the two connecting plates penetrate through the connecting holes, are opened to two sides and are provided with screw caps.
2. The hexagonal-head slotted nut with the self-locking function according to claim 1, wherein the limiting ring is matched with the mounting groove.
3. The hexagonal-head slotted nut with the self-locking function according to claim 1, wherein the connecting strips are matched with the connecting holes.
4. The hexagonal-head slotted nut with the self-locking function according to claim 1, wherein the height of the telescopic rod when the telescopic rod is retracted is lower than the thickness of the side wall of the nut body.
5. The hexagonal-head slotted nut with the self-locking function according to claim 1, wherein the telescopic rod is formed by combining a plurality of sleeves, and the sleeves are sequentially connected from outside to inside.
6. The hexagonal-head slotted nut with the self-locking function according to claim 5, wherein a plurality of second return springs are installed between the bottom of the casing pipe on the outermost layer and the bottom of the casing pipe on the innermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808287.6A CN112013005B (en) | 2020-08-12 | 2020-08-12 | Hexagonal head slotted nut with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808287.6A CN112013005B (en) | 2020-08-12 | 2020-08-12 | Hexagonal head slotted nut with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112013005A CN112013005A (en) | 2020-12-01 |
| CN112013005B true CN112013005B (en) | 2022-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808287.6A Active CN112013005B (en) | 2020-08-12 | 2020-08-12 | Hexagonal head slotted nut with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013005B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020025242A1 (en) * | 2000-04-18 | 2002-02-28 | Duran John A. | Non-removable structural threaded fastener with threads of lesser outer diameter than the shank and method of forming same |
| CN201016354Y (en) * | 2007-02-08 | 2008-02-06 | 张振坤 | Slotted nut capable of reelingly regulating slotting angle |
| CN203477006U (en) * | 2013-08-05 | 2014-03-12 | 哈尔滨飞机工业集团有限责任公司 | Bolt shaft with split pins installed in two directions |
| EP2419651B1 (en) * | 2009-04-17 | 2015-11-25 | LockOn LLC | Locking threaded fastener |
| CN105765242A (en) * | 2013-11-27 | 2016-07-13 | Pem管理股份有限公司 | Screw-locking insert |
| CN207921087U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of hexagonal fluting stop nut |
| CN209925406U (en) * | 2019-05-21 | 2020-01-10 | 江苏赛麟汽车科技有限公司 | Hexagonal flange face slotted nut capable of judging slotted position in screwing state |
-
2020
- 2020-08-12 CN CN202010808287.6A patent/CN112013005B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020025242A1 (en) * | 2000-04-18 | 2002-02-28 | Duran John A. | Non-removable structural threaded fastener with threads of lesser outer diameter than the shank and method of forming same |
| CN201016354Y (en) * | 2007-02-08 | 2008-02-06 | 张振坤 | Slotted nut capable of reelingly regulating slotting angle |
| EP2419651B1 (en) * | 2009-04-17 | 2015-11-25 | LockOn LLC | Locking threaded fastener |
| CN203477006U (en) * | 2013-08-05 | 2014-03-12 | 哈尔滨飞机工业集团有限责任公司 | Bolt shaft with split pins installed in two directions |
| CN105765242A (en) * | 2013-11-27 | 2016-07-13 | Pem管理股份有限公司 | Screw-locking insert |
| CN207921087U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of hexagonal fluting stop nut |
| CN209925406U (en) * | 2019-05-21 | 2020-01-10 | 江苏赛麟汽车科技有限公司 | Hexagonal flange face slotted nut capable of judging slotted position in screwing state |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112013005A (en) | 2020-12-01 |
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