CN1583368A

CN1583368A - Socket for hexagonal part underneath hexagonal nut

Info

Publication number: CN1583368A
Application number: CN 200410057404
Authority: CN
Inventors: 约翰·K·琼克斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-12
Filing date: 2004-08-12
Publication date: 2005-02-23
Also published as: JP2005059202A; EP1506842A1; TWI239880B; KR20050018595A; TW200526366A; MXPA04007837A; BRPI0403340A; AU2004203297A1

Abstract

A socket for tightening, loosening or holding a hexagonal part underneath a substantially equally sized hexagonal nut has a socket body having an axial portion to be applied on the hexagonal part, the axial portion having an inner opening provided with six radially outwardly extending recesses each having, as considered in a circumferential direction, at least one flank adapted to interact with at least one side of the hexagonal part, the recesses being formed so that the portion of the socket body can be axially fitted over the hexagonal nut not only when sides of the hexagonal part coincide with sides of the hexagonal nut, but also when the sides of the hexagonal part are circumferentially offset from the sides of the hexagonal nut.

Description

The base that is used for the hexagon part of six-sided nut below

The cross reference of related application

List of references is the continuous part of patent application series No.10/639114.

Technical field

The present invention relates to a kind of base, the invention particularly relates to a kind of base (socket) fastening, that unclamp or maintain the hexagon part that is in same size six-sided nut below that is used for.

Background technology

Be well known that, use for example nut of a part that a base rotates screw thread coupling, and use another base to maintain other parts such as the liner or the bottom nut of screw thread coupling, thus counteracting counterforce, for example, these are disclosed in our patent No.5499558,6253642,6254322,6254323,6230589,6461093,6490952.When top nut and bottom nut or liner have identical hexagon outer surface, in many cases, be difficult to the base with interior hex-shaped openings is applied in bottom nut or the liner, because the hexagon profile of top nut along the circumferential direction departs from respect to this hexagon outline or bottom nut or liner.Top nut and bottom nut or liner are with respect to rotating mutually, and therefore their outer-hexagonal shape profile is consistent with each other in top view, and this is not easy to realize.

Summary of the invention

Correspondingly, the purpose of this invention is to provide a kind of base fastening, that unclamp or maintain the hexagon part that is in same size six-sided nut below that is used for, this base has overcome shortcoming of the prior art.

In order to realize these purposes and to become more clearly other purpose hereinafter, therefore one of the present invention is characterised in that, speak briefly, a kind of be used for fastening, unclamp or maintain in the base of hexagon part of the six-sided nut below that is in basic identical size, it comprises the base body, this base body has the axial component that is applied on the hexagon part, described axial component has inside opening, this inside opening is provided with six grooves that extend radially outwardly, each groove has at least one side (flank) along circumferencial direction, this side is fit to interact with at least one side of hexagon part, described groove so forms, so that not only when the sidepiece of hexagon part is consistent with the sidepiece of six-sided nut, and when the sidepiece of hexagon part along the circumferential direction departed from the sidepiece of six-sided nut, the described part of described base body can be along axially being installed on the six-sided nut.

When base designs according to the present invention, even top six-sided nut and bottom hexagon part are with respect to departing from along circumference mutually so, but still can be applied to base on the nut of top by moving vertically, be applied on the base element then, therefore, in the end on the position, the inside opening with base groove surrounds the hexagon outline of base element.

According to another feature of the present invention, the opening that has groove in this part of base body has six radially inner vertex and 12 radially outer summits, each described groove has radially-outer surface, and extend between two neighbor points on radially outer summit on this surface.

According to another aspect of the present invention, the opening with groove has such shape: this shape shape with the opening with 12 grooves basically is identical, and wherein each second summit that extends internally is removed.

These novel features that are considered to feature of the present invention at length propose in the appended claims.But the describing below of specific embodiment in conjunction with the accompanying drawings makes that the present invention itself is that its structure and its method of work and other purpose of the present invention and advantage is easier to understand.

Description of drawings

Fig. 1 has to be used for fastening and to unclamp the sectional elevation of torque wrench of the base of screw thread coupling;

Fig. 2 is the cutaway view that the line I-I along Fig. 1 is intercepted, and shows under fastening pattern the maintenance base that engages with base element such as bottom nut or liner;

Fig. 3 be basically with the corresponding to view of the view of Fig. 2, but it also shows the top nut, this nut stops and keeps base along moving axially; And

Fig. 4 be basically with the corresponding to view of the view of Fig. 3, wherein keep base to rotate, so the top nut no longer stops the maintenance base.

The specific embodiment

Fig. 1 shows screw thread coupling and instrument as an example, and the integral body of this connector represents that with label 1 this instrument is used for fastening or unclamps screw thread coupling, and this screw thread coupling is represented with label 21.

Screw thread coupling has: bolt 2, and it is screwed in the object 3, and this object is for example formed by two parts that are connected with each other; Six-sided nut 4, it is screwed onto on the bolt; And the hexagon part, as liner or bottom nut 5, it is arranged on the below of nut 4 and between the surface of nut 4 and object 3.Six-sided nut 4 and hexagon part 5 have the size that equates basically.Bottom nut or liner 5 can have such inner surface, and this inner surface is bonded in the screw thread of bolt 2.

By driving base 6 nut 4 is rotated by instrument 21, this driving base 6 has: the bottom axial component, and it is provided with interior hex-shaped openings, and this opening is consistent with the outer-hexagonal shape profile phase of nut 4 basically; And the upper axial part, it is connected on the rotating shaft 7 of instrument 21.Therefore, when instrument 21 rotates rotating shaft 7, drive base 6 and be rotated and make the nut 4 on the bolt 2 to rotate.During rotating nut 4, in bolt 2 and bottom nut or liner 5, produced reaction force, this bottom nut or liner 5 are connected with bolt 2.

For counteracting counterforce, therefore be provided with maintenance base 8.Keep base 8 to have upper axial part 9, it for example by key or similar device be connected to instrument 21 can not motion parts 10 on and surround rotating shaft 7.Keep base 8 to have bottom axial component 11, this axial component 11 is arranged in the zone of dividing the bottom such as end nut or liner 5, and does not protect bottom nut or liner 5 revolvably.It prevents that bolt 2 from rotating and counteracting counterforce.When the part 11 that keeps base 8 by it maintained bottom nut or liner 5 so that the latter and can not rotate, bolt 2 can not rotate, and can only be along axially moving.

Fig. 2 shows the sectional elevation of the axial component 11 that keeps base 8.It has inside opening 12, and this inside opening 12 has some grooves 13, and each groove 13 has at least one side 14, and this side 14 forms at least one side of the outer-hexagonal shape profile that leans against bottom nut or liner 5.Inside opening 12 with groove 13 has six inner radial points 15 and 12 external point 16.The outer surface 17 of each groove extends between the radially outer point 16 of two vicinities.In other words, the inner surface with opening 12 of groove 13 in fact form have 16 inner groovies (16 point) surface conventional surface, in this surface, each second inner radial point has been removed.

The outer surface of inside opening 12 with groove 13 of the part 11 that keeps base 8 so forms, so that not only in the side 14 when consistent with the respective side of the hexagon exterior contour of bottom nut or liner 5, as shown in Figure 2, and in the side 14 with respect to the respective side portion of the outer-hexagonal shape profile of bottom nut or liner 5 when circumferencial direction departs from, keep base 8 can be placed on the outer-hexagonal shape profile of bottom nut or liner 5.Consequently, when the external hexagonal profile phase of top nut 4 and bottom nut or liner 5 for mutually when circumferencial direction departs from, keep the base 8 can be along axially moving past top nut 4 and lower nuts or liner 5.

Fig. 2 shows during fastening, the maintenance base 8 when leaning against the side surface of hexagon bottom nut or liner 5 in the side 14 of the opening of the part 11 that keeps base 8.Fig. 3 is identical with Fig. 2 basically, and shows the view of looking from top nut 4 tops.As can see from Figure 3, when screw thread coupling was fastened, contingent was that top nut 4 can not make the part 11 that keeps base 8 along axially moving upward, because it is stacked on the radially inner extension point of the part 11 that keeps base 8.Keep base 8 in order to pull down, therefore must rotate it as shown in fig. 4, so that some points of top nut 4 are arranged in the zone of the groove 13 that keeps base, afterwards, can axially up spur and keep base 8, and from bottom nut or liner 5 with from top nut 4, pull down it.

Believe that following these have clearly been illustrated: although design maintenance base 8 according to the present invention in shown embodiment, drive base 6 and also can design in an identical manner, wherein inside opening and groove form according to the present invention.

Should be appreciated that and to find that above-mentioned each element or two or more a plurality of can advantageously being applied in together are different from other above-mentioned type structure.

Be used for fastening or unclamp the base of threaded fastener although the present invention illustrated and be described as, but the present invention is used for being restricted in shown these details, because under the situation that does not break away from the present invention's spirit essence by any way, can carry out various modification and structural change.

Do not having under the situation about further analyzing, foregoing has so fully disclosed main points of the present invention, so that by increasing present knowledge, below not saving under the situation of these features other can easily make it be adapted to various application, from the viewpoint of prior art, these features have accurately constituted essential feature total or concrete aspect of the present invention.

This patent proposition required for protection in the appended claims.

Claims

1. one kind is used for fastening, unclamp or maintain the base of the hexagon part of the six-sided nut below that is in basic identical size, it comprises the base body, this base body has the axial component that is applied on the hexagon part, described axial component has inside opening, this inside opening is provided with six grooves that extend radially outwardly, each groove has at least one side along circumferencial direction, this side is fit to interact with at least one side of hexagon part, described groove so forms, so that not only when the sidepiece of hexagon part is consistent with the sidepiece of six-sided nut, and when the sidepiece of hexagon part along the circumferential direction departed from the sidepiece of six-sided nut, the described part of described base body can be along axially being installed in the six-sided nut top.

2. base as claimed in claim 1, it is characterized in that, the described opening with described groove in the described part of described base body has six inner radial points and 12 radially outer points, each described groove has radially-outer surface, and this outer surface extends between two neighbor points of described radially outer point.

3. base as claimed in claim 2 is characterized in that, the described opening with described groove has such shape: this shape is corresponding with the shape of the opening with 12 points basically, and wherein each second point that extends internally is removed.

4. base as claimed in claim 1, it is characterized in that, described base body has another axial component, and this axial component and described first axial component separate, and is provided with the device that is used for being connected on the instrument to be used for fastening or to unclamp screw thread coupling.