CN101000064A - Antiskid pair of nut - Google Patents
Antiskid pair of nut Download PDFInfo
- Publication number
- CN101000064A CN101000064A CN 200710072913 CN200710072913A CN101000064A CN 101000064 A CN101000064 A CN 101000064A CN 200710072913 CN200710072913 CN 200710072913 CN 200710072913 A CN200710072913 A CN 200710072913A CN 101000064 A CN101000064 A CN 101000064A
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- nut
- antiskid
- pair
- lower nut
- screw
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Abstract
The anti-skid screw nut pair includes one connecting part, and one upper nut and one lower nut screwed onto one screw. The upper nut and the lower nut are set with some interval in between, and provided with corresponding screw hole for the connecting part to be set inside. After screwing in the connecting part into the screw holes of the upper nut and the lower nut, the upper nut and the lower nut may be shifted upwards and downward separately to clamp the screw tightly with obviously increased friction resistance and realize the anti-skid aim. In addition, the present invention has simple structure, convenient manufacture and other advantages.
Description
Technical field
The present invention relates to a kind of antiskid pair of nut, relate in particular to a kind of antiskid pair of nut that comprises upper and lower two nuts.
Background technique
In mechanical field, many connections or fastening occasion need adopt locking or non-skid feature, and be especially true for being threaded, under the occasion of fierceness vibration, and the phenomenon that nut gets loose automatically through regular meeting's appearance.In order to address this problem, prior art mainly contains following two kinds: first kind is by increase packing ring under nut, the pressure that utilizes packing ring generation elastic strain to produce behind the fastening nut makes the certain surface friction drag of maintenance between nut and the bolt, gets loose to prevent nut; This method can play certain anti-skidding effect, but flexibility is not high and anti-slip function and unreliable, and working long hours still can occur sliding, and in addition, the wedge angle of packing ring also scratches the supporting surface of part easily.Second kind is to utilize mechanical structure that the nuts and bolt tightened is fused, eliminate relatively rotate between them may reach locking purpose; Though the anti-skidding reliability of this method is higher, to manufacturing, the requirement on machining accuracy height of part, using scope is limited, and exists number of spare parts many, and problems such as complexity are installed.
China's utility model patent 90206495 discloses a kind of locking double nut, it comprises upper and lower two nuts, wherein, on lower nut, be provided with tenon, this tenon is to screw in the set tapped hole of upper cap nut, two nuts link into an integrated entity with connecting thread, this connecting thread be located at the internal thread decentraction that two common fixed components of nut inner edge are used.During use, earlier upper and lower two nuts are linked into an integrated entity by connecting thread, then two nuts are inserted on the bolt simultaneously, arrive the position of needs after, fixing lower nut rotates upper cap nut backward and to tighten.Like this, because connecting thread and internal thread decentraction will make the internal thread of upper and lower nut all sting mutually tightly with the outside thread of bolt, when vibration takes place, just can effectively prevent the generation of sliding stop when turning connecting thread.But the reliability of this product anti-slip function is still lower, and complex structure, and processing is got up very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of antiskid pair of nut, and it not only has the higher anti-slip function of reliability, and simple in structure, easy to process.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of antiskid pair of nut is provided, it comprises link and all is sleeved on upper cap nut and lower nut on the bolt, described upper and lower nut space is provided with, and is equipped with corresponding tapped hole on this upper and lower nut, and described link is located in this tapped hole.
Adopt after such structure, only need tighten link on the tapped hole that is located on the upper and lower nut just can make upper and lower nut downward respectively and to top offset, thereby make upper and lower nut internal thread all with bolt on outside thread generation relative displacement and mutually clamp, increase the surface friction drag when rotating significantly between the two, can realize anti-skidding purpose.In addition, the present invention only needs to process the tapped hole that is complementary on upper and lower nut, makes both keep certain intervals to get final product when mounted, so also have advantages such as simple in structure, easy to process.
Described upper and lower nut is the upper and lower two-part after the same nut excision part.This is applicable to the direct improvement to existing product.
The thickness of described cut-out is half of this nut inner thread pitch.Skidproof effect will be better like this.
The lower surface of described upper cap nut or the upper surface of lower nut are provided with bit block, then are provided with corresponding alignment grooves on the upper surface of lower nut or the lower surface of upper cap nut.Can guarantee the correct position setting of upper and lower nut substantially horizontal like this, thereby make installation of the present invention become more accurate and easier.
Described bit block is axial symmetrically arranged two bit blocks.
Also be provided with the contraposition breach on the described bit block.Guarantee that so also the location interval between upper and lower nut is correct, thereby further promote accuracy and convenience that the present invention installs.
Half of the described internal thread pitch that is spaced apart upper and lower nut.
Described upper and lower nut is provided with six tapped holes.
Described link is a socket head screw.This makes and prevents that effectively external force is unexpected loosening with it in the deep enough nut of screw energy inside.
Description of drawings
The present invention is described in further detail to reach embodiment below with reference to the accompanying drawings.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic top plan view of upper cap nut among the present invention.
Embodiment
A kind of antiskid pair of nut as shown in Figure 1, it comprises link 3 and all is sleeved on upper cap nut 1 and lower nut 2 on the bolt 4.
In the present embodiment, described upper and lower nut 1,2 is the upper and lower two-part after the same nut excision part.During concrete enforcement, being the mode that adopts the line cutting is half the part excision of this nut inner thread pitch with thickness in the nut, and like this, as upper cap nut 1, the bottom is then as lower nut 2 with the top after the excision.
Described upper and lower nut 1,2 spaces are provided with.In the present embodiment, the size at this interval is half of internal thread pitch of upper and lower nut 1,2, and the upper and lower nut 1,2 that promptly will cut down is sleeved on the bolt 4 by their position relations before cutting (space internal thread pitch half).
All offer corresponding tapped hole 11 on described upper and lower nut 1,2, described link 3 is located in this tapped hole 11.In the present embodiment, all offer six tapped holes 11 on this upper and lower nut 1,2, described link 3 is a socket head screw, so not only can guarantee the clamping dynamics between upper and lower nut 1,2 and the bolt 4, can also make screw go deep into nut inside, prevent that effectively external force is unexpected loosening with it.
In order further to improve accuracy and the convenience that the present invention installs, please consult Fig. 1 and Fig. 2 simultaneously, the lower surface of described upper cap nut 1 also is provided with bit block 12, also is provided with contraposition breach 121 on this bit block 12, and the upper surface of lower nut 2 then is provided with corresponding alignment grooves 22.Bit block 12 can be guaranteed the correct setting of 1,2 horizontal positions of upper and lower nut like this, and 121 of contraposition breach can be guaranteed the correct setting of upper and lower nut 1,2 interval locations, thereby makes installation of the present invention become more accurate and easier.During concrete enforcement, can be when nut being carried out the line cutting, two bit blocks 12 are axisymmetricly reserved in top or bottom at nut, leave a contraposition breach 121 in this concordant position, bit block 12 up and down nuts, 2 surfaces then, then in the bottom or top cut out two corresponding alignment grooves 22, the degree of depth of alignment grooves 22 should be able to guarantee when upper and lower nut 1,2 interval internal thread pitch one halfs, still have the space between bit block 12 and the alignment grooves 22, only in this way just can upper and lower nut 1,2 is subjected to displacement by tightening screw.Obviously, bit block 12 also can be arranged on the upper surface of lower nut 2, and the lower surface of corresponding upper cap nut 1 then is provided with alignment grooves 22.
During use, earlier by the bit block 12 of upper cap nut 1, contraposition breach 121 on the bit block 12 and the alignment grooves 22 of lower nut 2, find the relative position of upper cap nut 1 and lower nut 2 accurately, grasp this upper and lower nut 1,2 with both precession bolts 4, after arriving the precalculated position, screw is put into tapped hole respectively, screw and to realize anti-skidding purpose.
Claims (9)
1, a kind of antiskid pair of nut, it comprises upper cap nut and the lower nut that all is sleeved on the bolt, it is characterized in that: this antiskid pair of nut also comprises link, described upper and lower nut space is provided with, and be equipped with corresponding tapped hole on this upper and lower nut, described link is located in this tapped hole.
2, antiskid pair of nut according to claim 1 is characterized in that: described upper and lower nut is the upper and lower two-part after the same nut excision part.
3, antiskid pair of nut according to claim 2 is characterized in that: the thickness of described cut-out is half of this nut inner thread pitch.
4, antiskid pair of nut according to claim 1 and 2 is characterized in that: the lower surface of described upper cap nut or the upper surface of lower nut are provided with bit block, then are provided with corresponding alignment grooves on the upper surface of lower nut or the lower surface of upper cap nut.
5, antiskid pair of nut according to claim 4 is characterized in that: described bit block is axial symmetrically arranged two bit blocks.
6, antiskid pair of nut according to claim 4 is characterized in that: also be provided with the contraposition breach on the described bit block.
7, antiskid pair of nut according to claim 1 and 2 is characterized in that: half of the described internal thread pitch that is spaced apart upper and lower nut.
8, antiskid pair of nut according to claim 1 and 2 is characterized in that: described upper and lower nut is provided with six tapped holes.
9, antiskid pair of nut according to claim 1 and 2 is characterized in that: described link is a socket head screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100729134A CN100489322C (en) | 2007-01-05 | 2007-01-05 | Antiskid nut pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100729134A CN100489322C (en) | 2007-01-05 | 2007-01-05 | Antiskid nut pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000064A true CN101000064A (en) | 2007-07-18 |
| CN100489322C CN100489322C (en) | 2009-05-20 |
Family
ID=38692156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100729134A Expired - Fee Related CN100489322C (en) | 2007-01-05 | 2007-01-05 | Antiskid nut pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100489322C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7395697B1 (en) | 2022-11-04 | 2023-12-11 | 芳隆 秋野 | Screw locking device |
-
2007
- 2007-01-05 CN CNB2007100729134A patent/CN100489322C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7395697B1 (en) | 2022-11-04 | 2023-12-11 | 芳隆 秋野 | Screw locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100489322C (en) | 2009-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090520 Termination date: 20100205 |