CN2705661Y - Nut assembly and fixing connector - Google Patents
Nut assembly and fixing connector Download PDFInfo
- Publication number
- CN2705661Y CN2705661Y CN 200320127448 CN200320127448U CN2705661Y CN 2705661 Y CN2705661 Y CN 2705661Y CN 200320127448 CN200320127448 CN 200320127448 CN 200320127448 U CN200320127448 U CN 200320127448U CN 2705661 Y CN2705661 Y CN 2705661Y
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- CN
- China
- Prior art keywords
- nut
- locating slot
- bolt
- positioning part
- assembly
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of nut assembly, comprises first nut, the recessed locating slot that forms of described first nut, one side; Also comprise second nut, its screw is used for coincideing with the profile of bolt, and described second nut has the positioning part, and the exterior contour of this positioning part and the inner surface contour of locating slot coincide, and this positioning part is used to be positioned in the locating slot.Also disclose a kind of fixed connection apparatus, comprise bolt and and bolt thread nut engaged assembly.Owing to adopt above nut assembly, its second nut is positioned in the locating slot of first nut, because the circular hole of second nut and the profile of bolt are coincide, therefore first nut can be completely fixed the position of object with second nut, overcome bolt and nut be subjected to being fixed object extruding, friction or vibrations take place produces loosening defective, can make the object remain on the position of initial installation the reliability height for a long time, and this nut production is simple, easy for installation, is easy to promote the use of.
Description
Technical field
The utility model relates to a kind of nut assembly and fixed connection apparatus.
Background technique
The existing bolt and nut that is used for fixing, because the object that is fixed can have certain extruding to bolt and nut, if the object of fixing motion also has certain frictional force, if it is not checked for a long time, then probably loosen automatically, especially be contained in the nut bolt in the moving object, the possibility of running away is just arranged as the tire of automobile, if the axis of bicycle does not check to it that for a long time the phenomenon or the like that swings will appear in bicycle quick.And the nut bolt of track for a train, the bolt and nut on the motor also can loosen automatically because of long-term vibration.
Summary of the invention
The technical problem that the utility model mainly solves is, a kind of nut assembly is provided, and described nut assembly is fixing more firm, be difficult for taking place loosening, good reliability, produce simple, easy to use.
Another technical problem that the utility model mainly solves is, a kind of fixed connection apparatus is provided, and when this fixed connection apparatus is used for fixing object, can keep the position of just installing for a long time, can not take place loosening automatically, good reliability, produce simple, easy to use.
The utility model realizes that the above-mentioned purpose scheme is:
A kind of nut assembly comprises first nut 1, the recessed locating slot 11 that forms of described first nut, 1 one sides; Also comprise second nut 2, its screw is used for coincideing with the profile of bolt, and described second nut 2 has positioning part 22, and the inner surface contour of the exterior contour of this positioning part 22 and locating slot 11 coincide, and this positioning part 22 is used to be positioned in the locating slot 11.
Described second nut 2 also comprises base portion 21, and base portion 21 outwards protrudes and forms positioning part 22.
The shaft axis of described locating slot 11 is variable to the distance of locating slot inwall.
The base portion 21 that also comprises the 3rd nut 3, the three nuts 3 butts second nut 2.
Described locating slot is a regular hexagon, and the positioning part 22 of described second nut 2 is a regular hexagon.
A kind of fixed connection apparatus comprises that bolt 4 reaches and the nut assembly of bolt 4 screw-thread fit, and described nut assembly comprises first nut 1, the recessed locating slot 11 that forms of described first nut, 1 one sides; Also comprise second nut 2, the profile of its screw and bolt is coincide, and described second nut 2 has positioning part 22, and the inner surface contour of the exterior contour of this positioning part 22 and locating slot 11 coincide, and this positioning part 22 is used to be positioned in the locating slot 11.
Described bolt 4 has cutting surface 41.
Described second nut 2 also comprises base portion 21, and base portion 21 outwards protrudes and forms positioning part 22.
The shaft axis of described locating slot 11 is variable to the distance of locating slot inwall;
The base portion 21 that also comprises the 3rd nut 3, the three nuts 3 butts second nut 2.
Because adopt above scheme, the beneficial effects of the utility model are:
1, nut assembly has increased second nut that can locate with first nut, because the exterior contour of the second nut positioning part and the inner surface contour of the first nut locating slot coincide, therefore first nut can be completely fixed the position of object with second nut, overcome bolt and nut be subjected to being fixed object extruding, friction or vibrations take place produces loosening defective, object is remained on the position of initial installation for a long time, the reliability height, and this nut production is simple, easy for installation, is easy to promote the use of.
2, second nut has increased base portion, and base portion outwards protrudes and forms the positioning part, is convenient to second nut like this and takes out from the locating slot of first nut and put into, and has strengthened the practicability of nut assembly.
3, also increased by the 3rd nut, the base portion of its butt second nut.When fixed object, the object that is fixed only produces extruding force to first nut and second nut, because first nut and second nut have just fixed the position of the object that is fixed in use, and first nut and second nut also have been in fixing position, so first nut and second nut can not produce extruding force to the 3rd nut, thereby the 3rd nut also can not loosened, thereby further strengthened the effect of nut assembly fixed object.
4, the existing connection set that is used for fixing object, comprise screw bolt and nut, the utility model on the basis of existing technology, replaced original nut with nut assembly, and nut assembly has increased second nut that can locate with first nut, because the exterior contour of the second nut positioning part and the inner surface contour of the first nut locating slot coincide, therefore first nut can be completely fixed the position of object with second nut, overcome bolt and nut be subjected to the being fixed extruding of object, friction or generation vibrations produce loosening defective, object is remained on the position of initial installation for a long time, the reliability height, and this nut production is simple, easy for installation, be easy to promote the use of.
5, bolt in the fixed connection apparatus of the present utility model is except adopting existing common bolt, the attaching nut assembly strengthens outside the fixation, can also adopt bolt with cutting surface, the attaching nut assembly, because the screw of second nut and the profile of bolt match, because the exterior contour of the second nut positioning part and the inner surface contour of the first nut locating slot coincide, therefore second nut is positioned at nut assembly on the bolt, first nut is completely fixed the position of object with second nut, overcome bolt and nut be subjected to the being fixed extruding of object, friction or generation vibrations produce loosening defective, object is remained on the position of initial installation for a long time, the reliability height, and this nut production is simple, easy for installation, be easy to promote the use of.
Description of drawings
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Fig. 1 is the first nut schematic representation.
Fig. 2 is the second nut schematic representation.
Fig. 3 is the 3rd nut schematic representation.
Fig. 4 is the schematic representation of fixed connection apparatus.
Embodiment
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one, a kind of fixed connection apparatus, comprise bolt 4 and with the nut assembly of bolt 4 screw-thread fit, this nut assembly comprises first nut 1 and second nut 2, the recessed locating slot 11 that forms of described first nut, 1 one sides; The screw of second nut 2 is used for coincideing with the profile of bolt 4, and described second nut 2 has positioning part 22, and the inner surface contour of the exterior contour of this positioning part 22 and locating slot 11 coincide, and this positioning part 22 is used to be positioned in the locating slot 11; Described locating slot 11 is a regular hexagon.
The shaft axis of described locating slot 11 is variable to the distance of locating slot inwall, and for example square, regular hexagon, octagon, ellipse etc. are processed locating slot for the ease of utilizing existing mold, preferably adopt regular hexagon.
Further, as shown in Figure 4, bolt 4 can also be for having the bolt of cutting surface 41, because the profile of the screw of second nut 2 and bolt 4 is coincide, nut assembly cooperates with bolt 4 can be completely fixed object.
Embodiment two, are that with embodiment one difference as shown in Figure 2, described second nut 2 also comprises base portion 21, and base portion 21 outwards protrudes and forms positioning parts 22
The locating slot 11 that first nut, 1 one sides fall in is just put in the positioning part 22 of protruding.Owing to be provided with base portion, be convenient to second nut and from the locating slot 11 of first nut 1, put into and take out.
Embodiment three, are with embodiment one difference, also comprise the base portion 21 of the 3rd nut 3, the three nuts 3 butts second nut 2.The object that is fixed on the bolt 4 only produces extruding force to first nut and second nut, because first nut and second nut have just fixed the position of the object that is fixed in use, and first nut and second nut also have been in fixing position, so first nut and second nut can not produce extruding force to the 3rd nut, thereby the 3rd nut also can not loosened.
Embodiment four, as shown in Figure 4, are with embodiment two difference, also comprise the base portion 21 of the 3rd nut 3, the three nuts 3 butts second nut 2.
On bolt 4 time, the location is convenient for the ease of second nut sleeve, and the internal surface of described second nut, 2 circular holes is a smooth surface.
For the ease of rotate first nut with spanner, the profile of described first nut 1 is a regular hexagon.
Simultaneously, if the material of nut is an iron, then first nut can be magnetized, after in use first nut being screwed to the correct position on the bolt 4, the positioning part of second nut is placed in the locating slot of first nut, because first nut is magnetized, it can attract second nut automatically, even the 3rd nut does not loosen because of not checking for a long time, but because second nut has been attracted by first nut, thereby first nut also can not loosened, and the position when being in firm install, this is that the employed fixed connection apparatus of usual people institute is irrealizable.
Claims (10)
1, a kind of nut assembly comprises first nut (1), it is characterized in that: the recessed locating slot (11) that forms of described first nut (1) one side; Also comprise second nut (2), its screw is used for coincideing with the profile of bolt, described second nut (2) has positioning part (22), and the inner surface contour of the exterior contour of this positioning part (22) and locating slot (11) coincide, and this positioning part (22) are used to be positioned in the locating slot (11).
2, nut assembly according to claim 1 is characterized in that: described second nut (2) also comprises base portion (21), and base portion (21) outwards protrudes and forms positioning part (22).
3, nut assembly according to claim 1 is characterized in that: the shaft axis of described locating slot (11) is variable to the distance of locating slot inwall.
4, nut assembly according to claim 2 is characterized in that: also comprise the 3rd nut (3), the base portion (21) of the 3rd nut (3) butt second nut (2).
5, according to one of them described nut assembly of claim 1-4, it is characterized in that: described locating slot is a regular hexagon, and the positioning part (22) of described second nut (2) is a regular hexagon.
6, a kind of fixed connection apparatus comprises that bolt (4) reaches and the nut assembly of bolt (4) screw-thread fit, and described nut assembly comprises first nut (1), it is characterized in that: the recessed locating slot (11) that forms of described first nut (1) one side; Also comprise second nut (2), the profile of its screw and bolt is coincide, described second nut (2) has positioning part (22), and the inner surface contour of the exterior contour of this positioning part (22) and locating slot (11) coincide, and this positioning part (22) are used to be positioned in the locating slot (11).
7, fixed connection apparatus according to claim 6 is characterized in that: described bolt (4) has cutting surface (41).
8, according to claim 6 or 7 described fixed connection apparatus, it is characterized in that: described second nut (2) also comprises base portion (21), and base portion (21) outwards protrudes and forms positioning part (22).
9, according to claim 6 or 7 described fixed connection apparatus, it is characterized in that: the shaft axis of described locating slot (11) is variable to the distance of locating slot inwall.
10, fixed connection apparatus according to claim 8 is characterized in that: also comprise the 3rd nut (3), the base portion (21) of the 3rd nut (3) butt second nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127448 CN2705661Y (en) | 2003-11-28 | 2003-11-28 | Nut assembly and fixing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127448 CN2705661Y (en) | 2003-11-28 | 2003-11-28 | Nut assembly and fixing connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705661Y true CN2705661Y (en) | 2005-06-22 |
Family
ID=34845429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320127448 Expired - Fee Related CN2705661Y (en) | 2003-11-28 | 2003-11-28 | Nut assembly and fixing connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705661Y (en) |
-
2003
- 2003-11-28 CN CN 200320127448 patent/CN2705661Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |