CN201786898U - Pallet type nut with self-lock function - Google Patents
Pallet type nut with self-lock function Download PDFInfo
- Publication number
- CN201786898U CN201786898U CN2010202070631U CN201020207063U CN201786898U CN 201786898 U CN201786898 U CN 201786898U CN 2010202070631 U CN2010202070631 U CN 2010202070631U CN 201020207063 U CN201020207063 U CN 201020207063U CN 201786898 U CN201786898 U CN 201786898U
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- hole
- nut
- segment
- pallet
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Abstract
The utility model discloses a pallet type nut with self-lock function, which is divided into four segments, wherein the first segment is a step-shaped cylinder (1), an inner thread hole (4) is arranged in the step-shaped cylinder (1), the inner thread hole (4) in the inner portion of a small-diameter segment of the step-shaped cylinder (1) is in an ellipse shape, the second segment is a pallet (2), the third segment is a cylinder (3), the middle of the cylinder (3)is provided with a hole, the diameter of the middle hole of the third segment is bigger than the diameter of the inner thread hole (4) in the step-shaped cylinder (1) of the first segment, and a frustum-shaped inner hole is formed on the pallet (2) of the second segment between the third segment and the first segment.
Description
Technical field
The utility model relates to a kind of nut, particularly relates to a kind of pellet type nut that has auto-lock function.
Technical background
Nut is a kind of fastening piece of extensive use, but plain nut in use, and especially for the occasion of oscillation exchange and dither, nut can become flexible because of vibration, and serious meeting comes off automatically.In order to prevent that nut from getting loose, reduce potential safety hazard, once invented many nuts that have auto-lock function, in the prior art, many application examples are also arranged, wherein a solution be at nut one end by extrusion-deformation, increase to cooperate the frictional force between rear thread to form self-lock force, connect and self-lock ability thereby nut is had.Because squeezing action, the screw of this self-locking nut becomes ellipse from circle, and its outer six sides have also produced distortion simultaneously, in use, are not easy to assemble fast with socket wrench or pneumatic wrench, and efficiency of assembling is low.Use common self-locking nut under some narrow and small environment, owing to be subjected to the influence in space, the angle of swing of the arm of force makes twisting not proceed when having limited with the back-up wrench twisting.Low in order to solve common self-locking nut efficiency of assembling, the twisting arm of force is subjected to this two big defective of spatial constraints in the twisting process, has invented the utility model.
Summary of the invention
The purpose of this utility model provides a kind of pellet type nut that has auto-lock function, and plain nut does not have self-lock ability in the prior art to overcome, and comes off easily, is difficult for the problem of installing in some particular surroundings.
The pellet type nut that has auto-lock function described in the utility model is divided into 4 sections, first section is step-like cylindrical body (1), in this step-like cylindrical body (1) interior threaded hole (4) is arranged, at step-like cylindrical reduced diameter section, inner interior threaded hole (4) is oval; Second section is pallet (2), the shape of pallet and thickness can change voluntarily according to the needs that use, the 3rd section is the middle cylindrical body (3) that has the hole, locate to form a round table-like endoporus at second section pallet (2) between the 3rd section and first section, the diameter of the 3rd section intermediate hole is greater than the diameter of the interior threaded hole (4) in first section step-like cylindrical body (1).The utility model is the reduced diameter section of step-like cylindrical body (1) at first section, make its inner interior threaded hole (4) become ellipse by fashion of extrusion by original circle, make nut produce self-lock ability, when screw rod is screwed into nut by the 3rd section (3) end, when screw rod enters into the interior threaded hole (4) of nut, because of the self-locking pressure that distortion produced of screw thread closely links together nut and screw rod, form more firm self-locking; And the 3rd section by enlarging distortion, closes up with second section pallet (2) and produces clamping force at last, and matrix is clamped between second section pallet (2) and the 3rd section (3), makes the utility model become the part of matrix.
The utility model compared with the prior art, and is simple in structure, and self-lock ability is strong, and easy to install, particularly is adapted at the narrower and small occasion of back-up wrench twisting angle of having limit in place and uses, and can be widely used in each mechanical industry.
Description of drawings:
Fig. 1 is the structural representation that has the pellet type nut of auto-lock function described in the utility model;
Fig. 2 is the plan view of Fig. 1.
Embodiment:
Embodiment 1:
Utilize the pellet type nut scheme that has auto-lock function described in the utility model to make the pellet type nut that has auto-lock function of M8, this nut is divided into 4 sections, first section is step-like cylindrical body (1), in this step-like cylindrical body (1), interior threaded hole (4) is arranged, at step-like cylindrical reduced diameter section diameter is Φ 9.4, make it produce distortion by fashion of extrusion, make this part inner interior threaded hole (2) become ellipse by original circle; Second section is pallet (2), the hole that φ 8.2 is arranged in the middle of being shaped as of pallet, cylindrical is φ 12, the cirque body of thickness 2mm, the 3rd section is the middle cylindrical body that has the hole, the diameter in the hole of this section centre is greater than the about 1mm of diameter of the interior threaded hole (4) in first section step-like cylindrical body (1), and wall thickness is about 0.5mm.During use, the 3rd section (3) are passed in the hole that precasts on the thin plate, this pre-manufactured hole goes out about 0.5mm greatly than the 3rd section (3) external diameter of the utility model, with having the top instrument of 90 ° of cones from the 3rd section of the utility model
(3) stretch in the middle of, and slide to first section, breaking and close up to second section pallet (2) until the 3rd section (3) is clamped in the utility model on the thin plate.At this moment needs can be installed in that other has made the parts of pre-manufactured hole on the thin plate, with the 3rd section (3) hole of the utility model being placed on this thin plate to the hole, pass and successively by the 3rd section of the utility model (3) from these parts with the bolt of M8, second section pallet (2), first section cylindrical body is clamped in these parts on the thin plate until bolt.Bolt is by first section step-like cylindrical body of the utility model (1) reduced diameter section internal thread (4) time, because of the self-locking pressure that distortion produced of this section screw thread closely links together nut and bolt, form more firm self-locking, and make the parts that need to connect be sandwiched on the thin plate firmly.
Embodiment 2:
Utilize the pellet type nut scheme that has auto-lock function described in the utility model to make the pellet type nut that has auto-lock function of M6, this nut is divided into 4 sections, first section is step-like cylindrical body (1), in this step-like cylindrical body (1), interior threaded hole (4) is arranged, at step-like cylindrical reduced diameter section diameter is Φ 7.2, make it produce distortion by fashion of extrusion, make this part inner interior threaded hole (4) become ellipse by original circle; Second section is pallet (2), the hole that φ 8.2 is arranged in the middle of being shaped as of pallet, long is 14mm, wide is 9mm, height is the cube of 1.5mm, the 3rd section is the middle cylindrical body that has the hole, and the diameter in the hole of this section centre is greater than the about 1mm of diameter of the interior threaded hole (4) in first section step-like cylindrical body, and wall thickness is about 0.5mm.During use, the 3rd section is passed in the hole that precasts on the thin plate, this pre-manufactured hole goes out about 0.5mm greatly than the 3rd section external diameter of the utility model, stretch into from the 3rd section centre of the utility model with the top instrument that has 90 ° of cones, and slide to first section, breaking and close up to second section pallet until the 3rd section is clamped in the utility model on the thin plate.At this moment can be with thin plate and other confined space of several plate compositions welded together, first section (1) of the present utility model is in confined space.Needs are installed on the utility model thin plate other have made the parts of pre-manufactured hole, with the utility model the 3rd sector hole being placed on this thin plate to the hole, pass and successively by the 3rd section of the utility model (3) from these parts with the bolt of M6, second section pallet (2), first section cylindrical body is clamped in these parts on the thin plate until bolt.Bolt is by first section step-like cylindrical body of the utility model (1) reduced diameter section internal thread (4) time, because of the self-locking pressure that distortion produced of this section screw thread closely links together nut and bolt, form more firm self-locking, and make the parts that need to connect be sandwiched on the thin plate firmly.
Claims (2)
1. the pellet type nut that has auto-lock function, it is characterized in that: nut is divided into 4 sections, first section is step-like cylindrical body (1), in this step-like cylindrical body (1), interior threaded hole (4) is arranged, interior threaded hole (4) in the reduced diameter section inside of step-like cylindrical body (1) is oval, second section is pallet (2), and the 3rd section is the middle cylindrical body (3) that has the hole, locates to form a round table-like endoporus at second section pallet (2) between the 3rd section and first section.
2. the pellet type nut that has auto-lock function according to claim 1 is characterized in that: the diameter of the 3rd section intermediate hole of nut is greater than the diameter of the interior threaded hole (4) in first section step-like cylindrical body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202070631U CN201786898U (en) | 2010-05-28 | 2010-05-28 | Pallet type nut with self-lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202070631U CN201786898U (en) | 2010-05-28 | 2010-05-28 | Pallet type nut with self-lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786898U true CN201786898U (en) | 2011-04-06 |
Family
ID=43818862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202070631U Expired - Fee Related CN201786898U (en) | 2010-05-28 | 2010-05-28 | Pallet type nut with self-lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506347A (en) * | 2018-06-15 | 2018-09-07 | 浙江三维大通精锻科技有限公司 | Sliding sleeve |
| CN111779738A (en) * | 2020-08-13 | 2020-10-16 | 盛勇 | Non-metal 3d printing piece anti-slip wire structure and traceless processing method thereof |
-
2010
- 2010-05-28 CN CN2010202070631U patent/CN201786898U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506347A (en) * | 2018-06-15 | 2018-09-07 | 浙江三维大通精锻科技有限公司 | Sliding sleeve |
| CN111779738A (en) * | 2020-08-13 | 2020-10-16 | 盛勇 | Non-metal 3d printing piece anti-slip wire structure and traceless processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130528 |