CN201193673Y

CN201193673Y - Tightening positioning bolt

Info

Publication number: CN201193673Y
Application number: CN 200820085997
Authority: CN
Inventors: 陆颂荫
Original assignee: Ningbo Donggang Fastener Manufacturing Co Ltd
Current assignee: Ningbo Donggang Fastener Manufacturing Co Ltd
Priority date: 2008-04-24
Filing date: 2008-04-24
Publication date: 2009-02-11
Anticipated expiration: 2018-04-24

Abstract

The utility model discloses a tightening positioning bolt which comprises two suspension loops (1), a stud (4) which is respectively equipped with securing nuts (2) at two ends, and two female thread dowels (3). The male threads at two ends of the stud (4) are engaged on the female thread at one end of two female thread dowels (3). The male thread ends of two suspension loops (1) are engaged with the female thread at one end of the female thread dowel which is far from the stud (4). The suspension loop (1) comprises a suspension loop body and a hexagon socket head cap screw (5). The male thread end of the suspension loop (1) is the male thread end of the hexagon socket head cap screw (5). The inner end plate of the suspension loop (1) is equipped with a through hole for passing through the male thread part of the hexagon socket head cap screw (5). The diameter of the head of the hexagon socket head cap screw (5) is larger than that of the through hole of the suspension loop (1). The tightening bolt has the advantages of large adjustment range, good fixation effect, flexible and convenient assembly and disassembly.

Description

Tighten positioning bolt

Technical field

The utility model relates to a kind of fastening piece, specifically is that a kind of fastening boats and ships hawser, utility pole of being used for draws the tighten positioning bolt of climbing etc.

Background technique

Tighten positioning bolt is widely used in fields such as industry, civilian, decoration, is mainly used in fastening boats and ships hawser and utility pole and draws and climb etc.Prior art is used for fastening boats and ships hawser and utility pole and draws the fastening piece of climbing etc. mostly to be the internal thread positioning bolt that two ends are combined with hook, and an end hooks steel wire or rope, and the other end is hooked on the hook that buries ground.

There is following defective in the fastening piece of above structure:

If the internal thread at 1 internal thread positioning bolt two ends in the same way, then this fastening piece can not be regulated fully, can't pass through the degree of tightness of the relative rotation adjusting steel wire of hook and internal thread.If the internal thread at internal thread positioning bolt two ends is reverse, though can rotate the internal thread positioning bolt, make and link up with the inside or outside axial motion of internal thread positioning bolt relatively simultaneously with pipe tongs, regulate the degree of tightness of fastened steel wire or rope with this.But because this internal thread positioning bolt adjustable range is very short, thus the degree of tightness of steel wire or rope can't be regulated significantly, in case therefore the deformation quantity that produces owing to service time is long of steel wire or rope just can't reach the effect of fixed object above the regulated quantity of fastening piece.

2, because this fastening piece does not have adjustable range or adjustable range limited, when so this fastening piece is installed, must be with mechanical tensioner steel wire or rope stretch, and pass hook, use conductor compression jointing tongs dead or rope is fastening then wire clip, its tension process is extremely required great effort, and makes installation process very loaded down with trivial details.

3, dead or rope is tightened up because steel wire is by folder, so during dismounting, must look for instrument that steel wire or rope are cut off and could dismantle fastening piece, its unloading process is very inconvenient.

The model utility content

The technical problems to be solved in the utility model is, provides that a kind of amplitude of accommodation is big, object good fixing effect, convenient and flexible installation and dismantle flexible tighten positioning bolt.

Technical solution of the present utility model is, a kind of tighten positioning bolt is provided, it comprises two links, two ends are equipped with stud and two internal thread positioning bolts of fastening nut, the two ends of described internal thread positioning bolt are equipped with internal thread, the outside thread at described stud two ends screws respectively on the internal thread of two internal thread positioning bolt one ends, the male end of described two links screws on the internal thread of internal thread positioning bolt away from an end of stud, the male end of described two links is equipped with fastening nut, described link comprises link body and hexagon socket head cap screw, the male end of described link refers to the male end of hexagon socket head cap screw, the through hole that has the male thread portion for hexagon socket head cap screw to pass on the inner end plate of described link, the diameter of described hexagon socket head cap screw head is greater than the diameter of link through hole.

After adopting above structure, the utility model tighten positioning bolt compared with prior art has the following advantages:

1, because in the parts of the utility model tighten positioning bolt all adopt, outside thread screws, the fastening mode of nut connects, and because the through hole that has the male thread portion of confession hexagon socket head cap screw to pass on the inner end plate of described link, the diameter of described hexagon socket head cap screw head (external diameter) is greater than the diameter of link through hole, so internal thread positioning bolt and hexagon socket head cap screw can rotate in a circumferential direction with respect to the link body, and the link body is by the head axial restraint of hexagon socket head cap screw, so in any one, externally threaded junction point only need unclamp fastening nut, again in the rotation, outside thread, can both under relative rope of link body that guarantees two ends or situation that steel wire does not rotate in a circumferential direction, change the length of this tighten positioning bolt, and then adjusting steel wire, the degree of tightness of rope is to keep the fastening situation of object.Again because the junction point of this each section of model utility tighten positioning bolt internal and external screw thread can both be regulated length by the rotation of internal and external screw thread, so the adjustable range of this tighten positioning bolt is the stack of each internal and external screw thread junction point adjustable range, so this tighten positioning bolt has the bigger amplitude of accommodation.After rope or steel wire are tightened up, twist dead fastening nut, the length that just can fix this internal and external screw thread junction point; Twist dead all fastening nuts, the whole length that just can fix this tighten positioning bolt is finished the location to steel wire, rope, so to the object good fixing effect.

2, because the utility model tighten positioning bolt is screwed by the multistage parts and forms, and internal thread positioning bolt and hexagon socket head cap screw can rotate in a circumferential direction with respect to the link body, and the link body is by the head axial restraint of hexagon socket head cap screw, so when installing, only need rope, the link of steel wire and tighten positioning bolt one end is fixed, the link of the other end is hung on the hook that buries ground, then by screwing in each, outside thread, make tighten positioning bolt shorten to respective length, just can strain rope, steel wire is twisted fastening nut extremely then, just can finish installation, avoided process, so install very flexible with mechanical tensioner taut wire or rope.

3, owing to being screwed by the multistage parts, the utility model tighten positioning bolt forms, and internal thread positioning bolt and hexagon socket head cap screw can rotate in a circumferential direction with respect to the link body, and the link body is by the head axial restraint of hexagon socket head cap screw, so during dismounting, only need unclamp the fastening nut of any one internal and external screw thread junction point, the internal and external screw thread of this junction point of outwarding winding fully just can be dismantled tighten positioning bolt, need not tool using and cut off steel wire or rope, so unloading process is very flexible.

Description of drawings

Fig. 1 is the structural representation of facing of the utility model tighten positioning bolt.

Fig. 2 is the sectional structure schematic representation of the tighten positioning bolt among Fig. 1.

(screw thread of schematically illustrated all junction points of above-mentioned 2 width of cloth accompanying drawings all is in the deflation ultimate state, but in actual the use, the screw thread of all junction points all leaves regulates leeway.)

Shown in the figure 1, link, 2, fastening nut, 3, the internal thread positioning bolt, 4, stud, 5, hexagon socket head cap screw.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

The utility model tighten positioning bolt, an end link is connected with rope or steel wire, and the other end link is connected with the hook that buries the ground.

As shown in Figure 1 and Figure 2.

The utility model tighten positioning bolt, it comprises that two links 1, two ends are equipped with stud 4 and two internal thread positioning bolts 3 of fastening nut 2.The two ends of described internal thread positioning bolt 3 are equipped with internal thread, and the outside thread at described stud 4 two ends screws respectively on the internal thread of two internal thread positioning bolt 3 one ends.The male end of described two links 1 screws on the internal thread of internal thread positioning bolt 3 away from an end of stud 4.The male end of described two links 1 is equipped with fastening nut 2.Described link 1 comprises link body and hexagon socket head cap screw 5, the male end of described link 1 refers to the male end of hexagon socket head cap screw 5, the through hole (not shown) that has the male thread portion for hexagon socket head cap screw 5 to pass on the inner end plate of described link 1, the diameter (external diameter) of described hexagon socket head cap screw 5 heads is greater than the diameter of link 6 through holes.

Because the through hole that has the male thread portion of confession hexagon socket head cap screw 5 to pass on the inner end plate of described link 1, the diameter (external diameter) of described hexagon socket head cap screw 5 heads is greater than the diameter of link 1 through hole, so internal thread positioning bolt 3 and hexagon socket head cap screw 5 can rotate in a circumferential direction with respect to the link body, and the link body is by the head axial restraint of hexagon socket head cap screw 5.So unclamp the fastening nut 2 of any one link 1 threaded end, rotation hexagon socket head cap screw 5 just can change the length of this tighten positioning bolt under the static prerequisite of the link body that keeps two ends, and then the degree of tightness of adjusting steel wire or rope.Perhaps unclamp any one fastening nut 2 on stud 4 outside threads, then with pipe tongs rotation internal thread positioning bolt 3 near this fastening nut 2, just can be under the static prerequisite of the link body that keeps two ends the length of this tighten positioning bolt of change.When the length of tighten positioning bolt satisfies requiring of tension rope or steel wire and then fixed object, fastening nut 2 is twisted extremely the location that just can finish this tighten positioning bolt.When this tighten positioning bolt is installed, dead or with on the fastening link 1 at one end of rope with conductor compression jointing tongs wire clip, the link 1 of the other end is hung on the hook that buries ground, the junction point that rotates each internal and external screw thread then makes this tighten positioning bolt length shorten, and then tension rope or steel wire.When the length of this tighten positioning bolt satisfies requiring of tension rope or steel wire and then fixed object, fastening nut 2 is twisted extremely installation.When needing dismounting, only need unclamp the fastening nut 2 of any one internal and external screw thread junction point, the internal and external screw thread of this junction point of outwarding winding fully then can be finished the dismounting of this tighten positioning bolt.

Claims

1. tighten positioning bolt, it is characterized in that: it comprises two links (1), two ends are equipped with stud (4) and two internal thread positioning bolts (3) of fastening nut (2), the two ends of described internal thread positioning bolt (3) are equipped with internal thread, the outside thread at described stud (4) two ends screws respectively on the internal thread of two internal thread positioning bolt (3) one ends, the male end of described two links (1) screws on the internal thread of internal thread positioning bolt (3) away from an end of stud (4), the male end of described two links (1) is equipped with fastening nut (2), described link (1) comprises link body and hexagon socket head cap screw (5), the male end of described link (1) refers to the male end of hexagon socket head cap screw (5), the through hole that passes of male thread portion for hexagon socket head cap screw (5) is arranged on the inner end plate of described link (1), and the diameter of described hexagon socket head cap screw (5) head is greater than the diameter of link (1) through hole.