CN205478803U - Fasteners that unilateral was screwed - Google Patents
Fasteners that unilateral was screwed Download PDFInfo
- Publication number
- CN205478803U CN205478803U CN201620278028.6U CN201620278028U CN205478803U CN 205478803 U CN205478803 U CN 205478803U CN 201620278028 U CN201620278028 U CN 201620278028U CN 205478803 U CN205478803 U CN 205478803U
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- Prior art keywords
- bolt
- nut
- grip
- packing ring
- rear end
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- 238000012856 packing Methods 0.000 claims abstract description 61
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 208000032825 Ring chromosome 2 syndrome Diseases 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000168254 Siro Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model relates to a fasteners that unilateral was screwed, include: a bolt, including bolt head, a screw shank and the 2nd screw shank, a screw shank, the 2nd screw shank 's junction is equipped with the step recess, the department is equipped with the heavy groove of annular in the middle of the bolt head surface, and the 2nd screw shank rear end face is equipped with the hexagonal blind hole, the nut, including nut front end and nut rear end, the surface of nut front end is cylindrical surface, and the nut front end is inside to be a cylindrical through -hole, and nut front end surface is equipped with the flange, nut rear end surface is hexagon cylindrical surface, and inside is equipped with the cylindrical through -hole of an internal thread, two packing rings, a packing ring cup joints in the heavy groove of annular, and another packing ring cup joints and matches in flange department and step recess. In will inserting the hexagonal blind hole with the hexagonal instrument that the 2nd screw shank 's hexagonal blind hole is mated, make bolt and nut screw to the rotatory nut of opposite direction simultaneously through hexagonal instrument swivel bolt, first equipment can zonulae occludens with second equipment.
Description
Technical field
This utility model relates to mechanical equipment technical field, particularly relates to the connection securing member that a kind of one side screws.
Background technology
In prior art, in order to two equipment are interfixed, the power tower of such as electric power facility need to use during assembling very many bolt, nut with the use of so that two accessories of power tower are interconnected and fixed.But the bolt that prior art uses, nut structure are simple, easily loosen after the two is fixing and cause bolt to drop.This situation will affect the use of power tower, and there is the biggest potential safety hazard.It is thus desirable to improve so that the two is capable of permanent fixing to the structure of described bolt, nut, it is ensured that the life-time service of equipment, reduce potential safety hazard.
Utility model content
The purpose of this utility model is, proposes a kind of simple in construction, installs easy to operate, it is possible to the connection securing member that the one side of long-term secure fit screws, and solve that existing one side screws connects the problem that securing member cannot for a long time, firmly connect.
To achieve these goals, the technical scheme that this utility model is used is:
The connection securing member that a kind of one side screws, including:
One bolt, including bolt head, first grip of bolt and second grip of bolt, described first grip of bolt, second grip of bolt are cylinder and coaxially connected, first grip of bolt, the junction of second grip of bolt are provided with stepped recesses, described second grip of bolt rear end face is provided with hexagonal blind hole, and described hexagonal blind hole is coaxially disposed with described first grip of bolt, second grip of bolt；Described bolt head outer surface middle is provided with annular deep gouge；
Nut, including nut front end and nut rear end, described nut front end, nut rear end are coaxially connected；The outer surface of described nut front end is cylindrical surface, is a cylindrical hole inside nut front end, and nut leading exterior surface is provided with flange；Described nut back end outer surface is hexagonal column shape surface, and inside is provided with a female thread cylindrical hole；
Two packing rings, a gasket sleeve is connected to described bolt head position and mates with described annular deep gouge, and another gasket sleeve is connected at described nut flange, and mates with the stepped recesses of bolt.
Wherein, described packing ring includes that gasket leading end and packing ring rear end, described packing ring rear end are loop configuration, packing ring back edge axially extending formation gasket leading end, and the edge of described gasket leading end extends to washer center direction of principal axis and forms guard ring.
Wherein, the outer surface of described first grip of bolt is smooth arcwall face.
Wherein, the cross-sectional diameter of described first grip of bolt is more than the cross-sectional diameter of second grip of bolt.
Wherein, the cylindrical hole cross-sectional diameter of described nut front end is more than the female thread cylindrical hole cross-sectional diameter of nut rear end.
The beneficial effects of the utility model are:
The connection securing member that shown one side screws is when the process of use, when two accessories the such as first equipment, the second equipment need to be interconnected and fixed, needing to connect relevant position in two fixing equipment surface, connecting hole is set, bolt inserts in described hole and makes bolt penetrate the face of two equipment, the length of first grip of bolt is the most identical with the thickness of two device side, and second grip of bolt stretches out from the face of the second equipment.Being socketed the annular deep gouge in the middle of the first packing ring, bolt head outer surface at bolt head by chance to mate with the first packing ring guard ring, the first gasket leading end is placed on outside bolt head, and the first packing ring rear end is connected to bolt head rear end.Second grip of bolt coordinates nut to use, and nut front end is socketed the second packing ring, and the second gasket leading end mates with flange, and the second packing ring guard ring abuts with the edge of nut flange, and the second packing ring rear end is connected in the stepped recesses of second grip of bolt.During screwing described bolt, nut, the hex tool mated with the hexagonal blind hole of second grip of bolt is inserted in hexagonal blind hole, by hex tool swivel bolt rotary nut the most round about, bolt is screwed with nut, the first equipment and the second equipment get final product compact siro spinning technology.The hexagonal blind hole of second grip of bolt and nut are located at the same side of the second equipment, can be in one side operation force during operation, without exerting a force in bolt head one end and nut one end respectively, the structure of unilateral operation force can be completed bolt by a people, nut screws.Owing to the outer surface of described first grip of bolt is smooth surface, during swivel bolt, first grip of bolt is the slightest to the abrasion of the first equipment, the connecting hole of the second equipment, and will not even wear and tear described connecting hole, keeps connecting hole the most completely to can ensure that it can be with life-time service.
The use of described packing ring makes packing ring can closely cooperate with bolt or nut, first packing ring makes packing ring be not easy to run, misplace by the position-limiting action of annular deep gouge, second packing ring coordinates spacing by the stepped recesses at described second grip of bolt with the flange of nut, nut can quickly be fixed with bolt, and the flanged structure of nut can play the effect of fool proof, prevent nut from installing reversely.Cushioning effect is played in the use with certain elastic washer, and it is prevented from bolt, nut sliding tooth in screwing operations, and ensure that the two is fastenedly connected, and uses for a long time.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model bolt；
Fig. 2 is the structural representation of this utility model packing ring；
Fig. 3 is the structural representation that this utility model nut coordinates with packing ring；
Fig. 4 is the overall structure schematic diagram connecting securing member that this utility model one side screws.
Reference is:
Bolt-1；Bolt head-11；Annular deep gouge-111；Hexagonal blind hole-112；Bolt head rear end-113；First grip of bolt-12；Second grip of bolt-13；Stepped recesses-131；Packing ring-2；Packing ring rear end-21；Gasket leading end-22；Guard ring-23；First packing ring rear end-201；First gasket leading end-202；First packing ring guard ring-203；Second packing ring rear end-221；Second gasket leading end-222；Second packing ring guard ring-223；Nut-3；Nut front end-31；Nut rear end-32；Cylindrical hole-33；Female thread cylindrical hole-34；Flange-35；First equipment-41；Second equipment-42.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments are not limiting as this utility model, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are all contained in protection domain of the present utility model.
Refering to the bolt shown in Fig. 1, described bolt 1 includes that bolt head 11, first grip of bolt 12 and second grip of bolt 13, first grip of bolt 12 and second grip of bolt 13 are cylinder and coaxially connected.The outer surface of first grip of bolt 12 is smooth arcwall face, and its cross-sectional diameter is bigger than the cross-sectional diameter of second grip of bolt 13, and the outer surface of second grip of bolt 13 is provided with screw thread.First grip of bolt 12 and the second grip of bolt 13 junction are provided with stepped recesses 131, are provided with annular deep gouge 111 in the middle of described bolt head 11 outer surface.Second grip of bolt rear end face is provided with hexagonal blind hole 112, and described hexagonal blind hole 112 is coaxially disposed with described first grip of bolt 12, second grip of bolt 13.
Fig. 2 show the structural representation of a packing ring 2, and described packing ring rear end 21 is loop configuration, the axially extending formation in edge, described packing ring rear end 21 gasket leading end 22, and the limit of described gasket leading end 22 extends to washer center direction of principal axis and forms guard ring 23.When described packing ring 2 and described bolt 1 with the use of when, described packing ring rear end 21 is socketed in edge, bolt head rear end 113, and the guard ring 23 of packing ring is socketed in annular deep gouge 111 position.Described packing ring 2 is made for elastomeric material, makes packing ring 2 can be socketed in the outside of bolt 1 by appropriate elastic deformation, and the guard ring 23 of packing ring can be mated with annular deep gouge 111.Refering to shown in Fig. 3, when described packing ring and nut 3 with the use of when, it is outside that whole packing ring 2 is socketed on flange 35, and gasket leading end 22 is connected to flange 35 edge, and packing ring rear end 221 is mated with stepped recesses 131.Described packing ring 2 uses elastomeric material, makes packing ring can be socketed in the lugs position of nut 3 by the elastic deformation that packing ring is appropriate, and the rear end of packing ring can be mated with stepped recesses 131.
Refering to the nut 3 shown in Fig. 3, described nut 3 includes that nut front end 31, nut rear end 32, the outer surface of described nut front end 31 are cylindrical surface, and 31, nut front end outer surface is provided with flange, described flange can internal with the use of, nut front end 31 with a packing ring be a cylindrical hole 33.The outer surface of described nut rear end 32 is hexagonal column shape surface, inside is provided with a female thread cylindrical hole 34, described nut front end 31, nut rear end 32 are coaxially connected, the cylindrical hole cross-sectional diameter of described nut front end is more than the female thread cylindrical hole cross-sectional diameter of nut rear end, the cylindrical hole cross-sectional diameter of described nut front end and the first grip of bolt 12 cross-sectional diameter matched in clearance, the female thread cylindrical hole cross-sectional diameter of nut rear end and the second grip of bolt 13 cross-sectional diameter matched in clearance.The guard ring of one gasket leading end is connected to the edge of flange, and packing ring rear end is mutual with 31, nut front end to abut.Use the instrument of hexagonal annular and the hexagonal column shape surface engagement of nut, i.e. rotatable and hold-doun nut.
Refering to the connection securing member schematic diagram in use screwed unilateral shown in Fig. 4, when two accessories, such as when first equipment the 41, second equipment 42 needs to be interconnected and fixed, needing to connect relevant position in two fixing equipment surface, connecting hole is set, bolt inserts in described hole and makes bolt penetrate the face of two equipment, and the length of first grip of bolt 12 is lucky the most identical with the thickness of two device side.Being socketed the first packing ring at bolt head, the annular deep gouge of bolt head outer surface by chance mates with the first packing ring guard ring 203, and the first gasket leading end 202 is placed on outside bolt head, and the first packing ring rear end 201 is connected to bolt head rear end.Second grip of bolt 13 coordinates nut to use, nut front end 31 is socketed the second packing ring, second gasket leading end 222 mates with flange, and the second packing ring guard ring 223 abuts with the edge of nut flange 35, and the second packing ring rear end 221 is connected in the stepped recesses 131 of second grip of bolt 13.During the connection securing member screwed in one side uses, the hex tool mated with described hexagonal blind hole 112 is inserted in described hexagonal blind hole 112, bolt is driven to rotate by the rotation of hex tool, outside instrument at nut exerts a force to nut simultaneously, nut is rotated toward contrary direction with bolt, so that nut, both bolts are fixing, the first equipment 41 and the second equipment 42 get final product compact siro spinning technology.In this embodiment, the hexagonal blind hole of second grip of bolt and nut are positioned at same termination, can exert a force in one side so that the connection securing member that whole one side screws is easy to operate operation when.Owing to the outer surface of described first grip of bolt 12 is smooth surface, during swivel bolt, the abrasion that first grip of bolt 12 acts on first equipment the 41, second equipment 42 connecting hole is the slightest, will not even be worn and torn described connecting hole, keeps connecting hole the most completely to can ensure that it can be with life-time service.
In above-mentioned embodiment, the special shape of described packing ring makes packing ring can closely cooperate with bolt or nut, first packing ring makes packing ring be not easy to run, misplace by the position-limiting action of annular deep gouge, second packing ring coordinates spacing by the stepped recesses 131 at described second grip of bolt 13 with the flange of nut, nut can quickly be fixed with bolt, and the flanged structure of nut can play the effect of fool proof, prevent nut from installing reversely.Cushioning effect is played in the use with certain elastic washer, and it is prevented from bolt, nut sliding tooth in screwing operations, and ensure that the two is fastenedly connected, and uses for a long time.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should be using description as an entirety, technical scheme in each embodiment can also form, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that.
The a series of detailed description of those listed above is only for illustrating of feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, within all equivalent implementations made without departing from this utility model skill spirit or change should be included in protection domain of the present utility model.
Claims (5)
1. the connection securing member that an one side screws, it is characterised in that including:
One bolt, including bolt head, first grip of bolt and second grip of bolt, described first grip of bolt, second grip of bolt are cylinder and coaxially connected, and first grip of bolt, the junction of second grip of bolt are provided with stepped recesses；Described second grip of bolt rear end face is provided with hexagonal blind hole, and described hexagonal blind hole is coaxially disposed with described first grip of bolt, second grip of bolt；Described bolt head outer surface middle is provided with annular deep gouge；
Nut, including nut front end and nut rear end, described nut front end, nut rear end are coaxially connected；The outer surface of described nut front end is cylindrical surface, is a cylindrical hole inside nut front end, and nut leading exterior surface is provided with flange；Described nut back end outer surface is hexagonal column shape surface, and inside is provided with a female thread cylindrical hole；
Two packing rings, a gasket sleeve is connected to described bolt head position and mates with described annular deep gouge, and another gasket sleeve is connected at described nut flange, and mates with the stepped recesses of bolt.
The connection securing member that one side the most according to claim 1 screws, it is characterized in that: described packing ring includes gasket leading end and packing ring rear end, described packing ring rear end is loop configuration, packing ring back edge axially extending formation gasket leading end, the limit of described gasket leading end extends to washer center direction of principal axis and forms guard ring.
The most unilateral connection securing member screwed, it is characterised in that: the outer surface of described first grip of bolt is smooth arcwall face.
4. the connection securing member screwed according to the one side described in claim 1 or 3, it is characterised in that: the cross-sectional diameter of described first grip of bolt is more than the cross-sectional diameter of second grip of bolt.
The connection securing member that one side the most according to claim 4 screws, it is characterised in that: the cylindrical hole cross-sectional diameter of described nut front end is more than the female thread cylindrical hole cross-sectional diameter of nut rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620278028.6U CN205478803U (en) | 2016-04-06 | 2016-04-06 | Fasteners that unilateral was screwed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620278028.6U CN205478803U (en) | 2016-04-06 | 2016-04-06 | Fasteners that unilateral was screwed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478803U true CN205478803U (en) | 2016-08-17 |
Family
ID=56647199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620278028.6U Active CN205478803U (en) | 2016-04-06 | 2016-04-06 | Fasteners that unilateral was screwed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478803U (en) |
-
2016
- 2016-04-06 CN CN201620278028.6U patent/CN205478803U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |