CN202326631U - Self-locking nut for matching single bolt through oblique notching - Google Patents
Self-locking nut for matching single bolt through oblique notching Download PDFInfo
- Publication number
- CN202326631U CN202326631U CN2011202827788U CN201120282778U CN202326631U CN 202326631 U CN202326631 U CN 202326631U CN 2011202827788 U CN2011202827788 U CN 2011202827788U CN 201120282778 U CN201120282778 U CN 201120282778U CN 202326631 U CN202326631 U CN 202326631U
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- self
- locking
- thread
- skewed slot
- nut
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Abstract
The utility model discloses a self-locking nut for matching a single bolt through oblique notching. The self-locking nut comprises a hexagonal prism-shaped nut and a locking bolt, wherein an oblique groove is arranged in the center of an outer edge line of the hexagonal prism-shaped nut, a footstep counter bore is arranged in the end surface of the gradual thin side of the oblique groove and positioned between a big thread and an outer edge, a thread hole corresponding to the footstep counter bore is arranged in the gradual thick side of the oblique groove, a screw head section of the locking bolt is placed in the footstep counter bore, and the thread section of the locking bolt is matched with the screw hole. According to the self-locking nut, the gradual thin side of the oblique groove elastically deforms on the root part of the oblique groove, and no rotation of the big thread and an external thread of a working shaft is ensured, thus a self-locking effect is achieved. The oblique groove has the advantage of no space occupation because the screw head section is completely placed in the footstep counter bore; and due to adoption of a skilled structure that the root part of the oblique groove is always easy to elastically deform for self-locking, the self-locking nut has the advantages of novel design, simple structure and convenience for use.
Description
Technical field
The present invention relates to a kind of mechanical locking device, particularly relate to a kind of oblique notching and join the single screw self-locking nut.
Background technique
Nut check is mechanical connection manner common in the existing technology, at some the special dimension of vibrations is arranged, and also requires nut to possess self-lock ability.For preventing that in mechanical field because of nut loosening causes inefficacy, generally employing method has: add locking bullet pad, then poor reliability; Pairs of anti-loose nut, it is loosening together then to occur double nut easily; Add cotter pin with the GB/T6180-1986 hexagon slotted nut, then can't tighten and put accurately self-locking, and self degree of tightness is inconsistent, and also there is certain requirement the operating space in any position; Also can guarantee self-locking though GB/T812-1988 round nut and GB/T812-1988 round nut use with the lock washer pairing, also can't tighten and put accurately self-locking, and must the thread section of working shaft be left a keyway, process loaded down with trivial details in any position; Also having a kind of is vertical tapping screw on the outer-hexagonal plane of nut, and then Screw self does not have locking and stressed screw thread to be damaged.Chinese patent number is 97112246.6 to disclose a kind of radially necking deformation to reach the locking purpose, and then manufacturing process is complicated, and effect is with to add locking bullet pad similar; Chinese patent number is 200410097308.9 to disclose a kind of nut and add cover and Cock screw is set to reach the locking purpose, and then structure is burdensome, and effect is similar with vertical tapping screw on the outer-hexagonal plane of nut, can not be adapted to little space.
Summary of the invention
The objective of the invention is to provide a kind of spatial limitation that do not receive, the single screw self-locking nut is joined in locking a kind of oblique notching more reliably.
In order to realize above purpose; Adopt following technological scheme: a kind of oblique notching joined the single screw self-locking nut; Comprise hexagon nut 1, lock screw 2, said hexagon nut 1 knuckle line central authorities outside have a skewed slot 11, and the degree of depth of skewed slot 11 is for surpassing between medial axis 8 and the major thread 16; The root of skewed slot 11 is 1/20th to 1/5th of major thread 16 diameters apart from the minimum dimension that skewed slot gradually approaches side 13 Transverse planes; Be preferably 1/10th, the skewed slot gradually Transverse plane of thin side 13 has a stepped counterbore 14 between the corner angle outside major thread 16 and one, and the gradually thick side 12 of skewed slot has a screw 15 corresponding to stepped counterbore 14; The spiral shell brain section 21 of lock screw 2 rests in the stepped counterbore 14, and the thread section 22 of lock screw 2 matches with screw 15.
During use; The gradually thick side 12 of skewed slot the Transverse plane here is affixed to the work surface of contact; With socket wrench hexagon nut 1 is cooperated and tightens along the outside thread rotation of major thread 16 and working shaft 3, unclamp because of vibrations, again lock screw 2 is passed stepped counterbore 14 for preventing hexagon nut 1 and working shaft outside thread; Make thread section 22 and screw 15 match to merge tighten after; Force the gradually thin side 13 of skewed slot in skewed slot 11 root generation resiliently deformables, guarantee that the major thread 16 and the outside thread of working shaft 3 can't rotate, have played the self-locking effect again.
The beneficial effect of the utility model is: the advantage of skewed slot 11 is spiral shell brain section 21 to be rested in the stepped counterbore 14 fully do not take up space, and this ingenious structure of resiliently deformable self-locking still takes place its root easily, and is novel, simple in structure, easy to use.
Description of drawings
Fig. 1 is the A-A sectional drawing of the utility model in Fig. 2;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the sectional drawing of the utility model application implementation example in small space.
Embodiment
Below in conjunction with accompanying drawing and embodiment the further explain of doing to the utility model:
A kind of oblique notching joined the single screw self-locking nut; Comprise hexagon nut 1, lock screw 2, said hexagon nut 1 skewed slot 11 width of knuckle line central authorities' inclined cut outside are 3 millimeters, and skewed slot 11 degree of depth are 30 millimeters; The root of skewed slot 11 is 5 millimeters apart from the minimum dimension that skewed slot gradually approaches side 13 Transverse planes; Major thread 16 is M30, and the skewed slot gradually Transverse plane of thin side 13 has a stepped counterbore 14 in the middle of the corner angle outside major thread 16 and one, and the gradually thick side 12 of skewed slot has a M6 screw 15 corresponding to stepped counterbore 14; The spiral shell brain section 21 of M6 lock screw 2 rests in the stepped counterbore 14, and the thread section 22 of M6 lock screw 2 matches with M6 screw 15.
When small space was used, working shaft 3 was equipped with flat key 5 in conical section, and flat key 5 is used for transmitting torque.Belt pulley 6 and transmission shaft 3 cooperate in conical section; After placing plain washer 4; The gradually thick side 12 of skewed slot the Transverse plane here is affixed to plain washer 4 work surface of contact; With socket wrench hexagon nut 1 is cooperated and tightens along the M30 outside thread rotation of major thread 16 and working shaft 3,, again M6 lock screw 2 is passed stepped counterbore 14 for the outside thread that prevents hexagon nut 1 and working shaft 3 unclamps because of vibrations; M6 thread section of lock screw 2 22 and M6 screw 15 match merge tighten after; The gradually thin side 13 of skewed slot guarantees that in skewed slot 11 root generation resiliently deformables the M30 major thread 16 and the M30 outside thread of working shaft can't rotate again, have played the effect that goes up accurate self-locking after tightening at an arbitrary position.
Claims (1)
1. one kind is oblique notched and joins the single screw self-locking nut; Comprise hexagon nut (1), lock screw (2); It is characterized in that: said hexagon nut (1) knuckle line central authorities outside have a skewed slot (11); The degree of depth of skewed slot (11) is for surpassing between medial axis (8) and the major thread (16); The root of skewed slot (11) is 1/20th to 1/5th of major thread (a 16) diameter apart from the minimum dimension that skewed slot gradually approaches side (13) Transverse plane, and the skewed slot gradually Transverse plane of thin side (13) has a stepped counterbore (14) between the corner angle outside major thread (16) and one, and the gradually thick side of skewed slot (12) has a screw (15) corresponding to stepped counterbore (14); The spiral shell brain section (21) of lock screw (2) rests in the stepped counterbore (14), and the thread section (22) of lock screw (2) matches with screw (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202827788U CN202326631U (en) | 2011-07-28 | 2011-07-28 | Self-locking nut for matching single bolt through oblique notching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202827788U CN202326631U (en) | 2011-07-28 | 2011-07-28 | Self-locking nut for matching single bolt through oblique notching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326631U true CN202326631U (en) | 2012-07-11 |
Family
ID=46438611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202827788U Expired - Fee Related CN202326631U (en) | 2011-07-28 | 2011-07-28 | Self-locking nut for matching single bolt through oblique notching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326631U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343766A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Elastic locking nut |
| RU2497028C1 (en) * | 2012-07-18 | 2013-10-27 | Вячеслав Иванович Лебедев | V lebedev's lock nut |
| CN105508724A (en) * | 2015-12-11 | 2016-04-20 | 四川勃朗蜀威科技有限公司 | Rotary motion valve mounting structure |
| CN106180876A (en) * | 2016-08-31 | 2016-12-07 | 安徽安凯福田曙光车桥有限公司 | Lock nut of main speed reducer fluting pressure clamp |
| CN113492443A (en) * | 2020-04-01 | 2021-10-12 | 张聪捷 | Locking structure for carpentry saw blade |
-
2011
- 2011-07-28 CN CN2011202827788U patent/CN202326631U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2497028C1 (en) * | 2012-07-18 | 2013-10-27 | Вячеслав Иванович Лебедев | V lebedev's lock nut |
| CN103343766A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Elastic locking nut |
| CN105508724A (en) * | 2015-12-11 | 2016-04-20 | 四川勃朗蜀威科技有限公司 | Rotary motion valve mounting structure |
| CN106180876A (en) * | 2016-08-31 | 2016-12-07 | 安徽安凯福田曙光车桥有限公司 | Lock nut of main speed reducer fluting pressure clamp |
| CN106180876B (en) * | 2016-08-31 | 2018-02-02 | 安徽安凯福田曙光车桥有限公司 | Lock nut of main speed reducer fluting pressure clamp |
| CN113492443A (en) * | 2020-04-01 | 2021-10-12 | 张聪捷 | Locking structure for carpentry saw blade |
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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: 20120711 Termination date: 20130728 |