CN105307819B

CN105307819B - Mark torque spanner

Info

Publication number: CN105307819B
Application number: CN201580001008.2A
Authority: CN
Inventors: 永木孝幸; 高田润祐; 仓石胜
Original assignee: Nagaki Seiki Co Ltd
Current assignee: Nagaki Seiki Co Ltd
Priority date: 2014-05-27
Filing date: 2015-05-26
Publication date: 2017-06-27
Anticipated expiration: 2035-05-26
Also published as: WO2015182115A1; JP2015223660A; JP5941096B2; AU2015258243A1; AU2015258243B2; CN105307819A

Abstract

There is provided one kind can mark torque spanner, and it can be acted according to the motion of thruster part, and the threaded shank of the bolt to being protruded from nut is stably marked.In mark torque spanner (1), the rear end side of the pole (20) set along action bars (4) is connected to thruster (6).The head side of the pole (20) is connected to short side (22a) side of L-type pole (22).In L-type pole (22), (22c) can be rotated by e axle supporting for bending section, and side (22b) side long is extended in the way of it can be abutted with the top of the beater support (18) that marking mechanism (15) have.Beater support (18) is configured to be slided relative to sleeve (12), and so as to keeps beater (16) in beater face (16a) prominent downward mode.Beater (16) exerts a force downward to beater support (18).

Description

Mark torque spanner

Technical field

The present invention relates to a kind of torque spanner for being able to confirm that prescribed torque, especially, it is related to a kind of torque spanner, when it When reaching prescribed torque, can prevent from forgetting fastening to fastening object marking mark and unnecessary re-secure.

Background technology

Up to now, in order to prevent from forgetting that the fastening object to fastening object fastening, or to having fulfiled assignment is carried out not It is necessary to re-secure, using various mark torque spanneres.Wherein there is such configuration example：For in quilt Toggle link is set between the thruster and head piece of the forces such as spring and the torsion of prescribed torque is detected using the action of the toggle link Torque wrench, takes mechanical marking mechanism.As one, represent pulled using the mark torsion of the action of thruster in fig .9 Hand.

In the concentrator marker built-in torque spanner 101 shown in Fig. 9, it is connected to along the end of the bar 120 of 104 configurations that hold a writing brush or pen-write Thruster part 106, another side is connected to connecting rod 122.On the other hand, in the sleeve 112 that can house fastening object 50, Insert is configured with sliding axle 119.In the sliding axle 119, be provided with flag member 116, with can along sleeve 112 periphery slide The axle sleeve 118 of ground configuration is integrally formed.On the axle sleeve 118, above-mentioned connecting rod 122 is connected with...Because such structure, institute So that when terminal operation is carried out, once reaching the moment of torsion of regulation, thruster part 106 is somewhat extruded to the side of head piece 102, The action will be transmitted via bar and connecting rod, so as to depress axle sleeve.Therefore, internal flag member can be fallen, can be to tight Gu object marking is marked.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2-78279 publications

The content of the invention

The technical problems to be solved by the invention

But, in above-mentioned concentrator marker built-in torque spanner 101, thruster part 106 is dynamic when producing prescribed torque Make very small.Therefore, although in the case that in fastening object 50, shape (projecting height) is fixed as the head of bolt easily Annotated mark, but be difficult in the screw rod side annotated mark of the bolt prominent to nut side.

That is, in the terminal operation of nut, because by the difference of the thickness of fastener or size, the protrusion of the threaded shank of bolt Amount can be different.Therefore, while it is desirable to by power can be transmitted in the way of the side of flag member 116 obtains enough strokes, but Because the action of the thruster part 106 of driving source is small, highly difficult.

Additionally, the threaded shank of the bolt different for projecting height, necessary and sufficient row is obtained in the side of flag member 116 Journey is also relatively difficult.

Therefore, moved it is an object of the invention to provide one kind mark torque spanner, its motion according to thruster part Make, and the threaded shank of bolt that can be to being protruded from nut is stably marked.

Solve the technical scheme that technical problem is used

To reach above-mentioned purpose, mark torque spanner of the invention be the sleeved head of tool with by from the rear end of action bars Connected by toggle link between the thruster of side force, according to the mark torque spanner that thruster is marked to the motion of head side, Characterized in that, it has：The beater of mark；Beater support, it can be slided along the fastening axis direction of sleeve, and so that Beater keeps beater facing to the mode of terminal operation side；Support force application element, its direction makes beater support away from terminal operation The direction force of side；Beater force application element, it exerts a force in beater support to beater, so that beater is facing to terminal operation pleurapophysis Go out；Pole, its one end is connected to thruster, and is configured along action bars；And linkage, it is located at prolonging to head side for pole Between the other end and beater support stretched, and thruster is converted into beater support to terminal operation side to the displacement of head side Displacement.

Additionally, mark torque spanner of the invention is characterised by that on the basis of said structure, linkage is by L-type Pole is constituted, and the L-type pole can rotationally by e axle supporting by fulcrum of bending position, also, the short side of the L-type pole is connected In pole, side long extends towards with beater support and the position of the end abutment of terminal operation side opposite side.

Additionally, mark torque spanner of the invention is characterised by that on the basis of said structure, beater support is tight Gu operation side is formed with opening portion and the cartridge for being formed with spring base is protruded in outer peripheral face, support force application element is so that bullet The first spring that spring abutment is exerted a force away from the mode of terminal operation side, shoulder has been provided projectingly near the beater face of beater, The shoulder can engage with the inner peripheral of the opening portion of beater support, and beater force application element is that beater exerts a force to terminal operation side Second spring.

Additionally, mark torque spanner of the invention is characterised by that on the basis of said structure, sleeve is in terminal operation Side is formed with the resettlement section of regular hexagon, additionally, having resin-made lid, the resin-made lid can be torn open relative to sleeve Dress, and outer peripheral face is formed by six medial planes and six flexure planes, wherein, six medial planes can be with the fastening of sleeve Six face inscribes of the inner side of operation side, six flexure planes are consecutively formed between adjacent medial plane, and away from center away from From more slightly larger than with a distance from from the center to medial plane, also, recess in the one end for being formed at the resin-made lid is embedded with The ink holding member that can be abutted with beater face.

Invention effect

As described above, according to the present invention, when the moment of torsion of regulation is reached, according to displacement from thruster to head side, pole Along action bars to head lateral movement, additionally, the linkage by being connected to pole, beater support overcomes beater force application element Exert a force under terminal operation side pressure.Thus, from the beater support beater face prominent to terminal operation side be connected to fastening object and Annotated mark.

Now, because beater is by towards terminal operation side force, the distance between beater face and fastening object is not In the case of consistent, beater can resist beater force application element and keep out of the way in beater support, can absorb because distance is different The influence of generation.

Additionally, according to the present invention, in addition to the effect above, the L-type pole used to constitute linkage is configured to make Short side is connected to the pole being connected with thruster, long side is connected to the end with terminal operation side opposite side of beater support Portion, and bending position can rotationally by e axle supporting, so, thruster athletic meeting slightly is exaggerated and is reflected in beater branch Motion of the frame towards fastening axis direction.

Like this, because the stroke of beater support becomes big, even if there is deviation in the projecting height in fastening object In the case of, it is also possible to stably it is marked.

Additionally, according to the present invention, in addition to the effect above, because the first helical spring is configured along the outer peripheral face of beater support As support force application element, and using the second helical spring as beater force application element, it is possible to the different spiral shell of combination coil diameter Rotation spring such that it is able to save and two force application elements are spatially set.

Additionally, according to the present invention, in addition to the effect above, by six can abutted with the sleeve interior surface of regular hexagon Medial plane is alternately arranged with by the flexure plane that adjacent outer plane is connected to each other, and forms the outer peripheral face of resin-made lid, also, Be formed as flexure plane significantly more prominent slightly to outside diameter than medial plane.Thus, so that medial plane along sleeve inner surface Mode insert resin-made lid, and when resin-made lid is taken up solid axis and is rotated, with the elastic deformation of resin, flexure plane Can be crushed so that the outer peripheral face of lid is crimped on the inner surface of sleeve and stablizes.

Additionally, because the recess in the one end for being formed at resin-made lid is embedded with ink holding member, only inserting Resin-made lid just can be so that the state that beater face is attached with ink be protected.

Brief description of the drawings

Fig. 1 is the side view cutaway drawing of the internal structure of the mark torque spanner for representing embodiment of the present invention.

Fig. 2 is the vertical view cutaway drawing of the internal structure of the mark torque spanner for representing Fig. 1.

Fig. 3 is the overall perspective view of the mark torque spanner of Fig. 1.

Fig. 4 is the sectional view for amplifying the head periphery of Fig. 1.

Fig. 5 represents the operating state of the mark torque spanner of Fig. 1, and (a) is the state for representing that the projecting height of bolt is larger Amplification view, (b) is the amplification view of the less state of projecting height for representing bolt.

Fig. 6 is the stereogram of the resin-made lid of the mark torque spanner for representing embodiment of the present invention.

Fig. 7 is the amplification view of the state for representing the mark torque spanner that the resin-made lid of Fig. 6 is installed on Fig. 1.

Fig. 8 is the enlarged drawing from the observation of sleeve side of the installment state of the resin-made lid for representing Fig. 6, and (a) is to represent outer Side plane along the state of sleeve interior surface figure, (b) is to represent that flexure plane is crimped on the figure of the state of sleeve interior surface.

Fig. 9 is the sectional view for representing existing concentrator marker built-in torque spanner.

Specific embodiment

Hereinafter, the mark torque spanner of embodiment of the present invention is illustrated with figure.Illustrate that mark torsion is pulled with Fig. 1 to Fig. 3 The overall structure of hand 1, describes the peripheral structure of the head 2a of head piece 2 in detail with Fig. 4.Additionally, being acted with Fig. 5 Explanation.It is the structure of resin-made lid 30 and the explanation using form in Fig. 6 to Fig. 8.

In Fig. 1, in order that internal structure is clearly, entered by observing the sectional view of the mark entirety of torque spanner 1 from side Row is represented.Additionally, the mark torque spanner 1 that Fig. 2 passes through diagrammatic top-view representation 1.It is identical with Fig. 1 in Fig. 2, in order that internal structure Clearly, represent overall by sectional view.

Reference picture 1,2, the mark torque spanner 1 of present embodiment is provided with force application spring 8 in rear end side.By the force bullet Spring 8, thruster 6 is exerted a force by headward side.The thruster 6 is connected to the head shaft 2b of head piece 2 via toggle link 10, will apply Power is transmitted to the side of head 2.Because there is such structure, once terminal operation reaches the moment of torsion of regulation, thruster 6 will gram Take the force of force application spring 8 and pushed back rear end side.

In the present embodiment, the end of the rear end side of the pole 20 for being configured along action bars 4 is connected to thruster 6.By Fig. 2 Understand, pole 20 is connected to thruster 6 together with toggle 10a via identical connecting shaft 21.Additionally, in the upper table of action bars 4 Face is formed with elongated hole, so that connecting shaft 21 can follow the motion of thruster 6.

The end of the head 2a sides of pole 20 is connected to the short side 22a sides of L-type pole 22.L-type pole 22 can be rotationally E axle supporting is in bending section 22c.In order to observe axle support structure, reference picture 3.Fig. 3 represents the overall three-dimensional of mark torque spanner 1 Figure.In addition, in figure 3, the exploded view that the lid 23 of protection L-type pole 22 is removed is represented with solid line, represented with dotted line Installment state.As shown in Figure 3, the bending section 22c of L-type pole 22 in the way of being clipped by two pillars 25 by e axle supporting.

The headward 2a sides of side 22b long of L-type pole 22 extend, and its front end reaches marking mechanism 15.Present embodiment On mark torque spanner 1, it is provided with the top of the sleeve 12 for housing bolt 51 and nut 52 (aftermentioned) as fastening object Marking mechanism 15.The outside of this marking mechanism 15 is surrounded by the lid 17 of tubular.Reference picture 1, the inside of the lid 17 with The mode that can be slided to fastening axis A directions is provided with beater support 18.

Here, in order to represent the detailed construction of marking mechanism 15, reference picture 4.Fig. 4 is the head that will mark torque spanner 1 The sectional view that 2a peripheries are amplified.As described above, the beater support 18 located at the top of sleeve 12 is arranged to along sleeve 12 Slideslip.Spring base 18c is provided with above the periphery of the beater support 18, between the upper end of spring base 18c and sleeve 12 It is configured with helical spring 26 (the first helical spring).Beater support 18 (is fastened into axis direction upward by the helical spring 26 On the direction left from resettlement section) force, beater support 18 is in the state lifted towards the top of sleeve 12.

Beater face 16a beaters 16 downward are configured with the inner side of the beater support 18.As known to Fig. 4, in beater The lower section (terminal operation side) of support 18 is formed with opening portion 18b, and the beater face 16a of beater 16 is so that from this, Open Side Down that side is prominent Mode configure.In addition, in the vicinity of beater face 16a, being formed with the shoulder bigger than the opening portion 18b diameters of beater support 18 16b, so beater 16 is stuck in beater support 18.The top of the beater 16 is also configured with the spiral bullet smaller than helical spring 26 Spring 28.Pass through stent helix part 18d in the way of compressing the helical spring 28 by the closed upper part of beater support 18.Therefore, Beater 16 turns into the state exerted a force towards the terminal operation side of sleeve 12.Like this, it is provided with as the force application element of beater support Helical spring 26, in addition, being provided with helical spring 28 as beater force application element.

Inserted in the way of abutting the rear end side opening of the lid 17 of tubular, the end of the side 22b long of above-mentioned L-type pole 22 Wherein.

Because having said structure, in terminal operation, when tightening torque reaches more than setting, pole 20 is led to Cross thruster 6 and be pulled to rear end side, at the same time, the short side 22a sides of L-type pole 22 are also pulled into rear end side.Therefore, in L-type On the side 22b long of pole 22, the power for depressing stent helix part 18d is applied.Next, illustrating the action using Fig. 5.

In Figure 5, two operating states of mark torque spanner 1 are compared.In Fig. 5 (a), the spiral shell in bolt 51 is represented Operating state in the state of bar portion is more long, in Fig. 5 (b), represents the action in the state of the threaded shank of bolt 51 is shorter State.Knowable to Fig. 5 (a), in the case where the threaded shank of bolt 51 is more long, beater face 16a is connected to the inboard of sleeve 12.But It is, it is constant all the time because the rotational angle of L-type pole 22 is determined by the displacement of thruster 6 (reference picture 1). In this case, because helical spring 28 significantly shrinks, the bolt 51 of screw rod minister is therefore corresponded to.On the other hand, exist In the state of Fig. 5 (b), because the threaded shank of bolt 51 does not have the length of Fig. 5 (a) states, beater face 16a is in position slightly below Put the threaded shank for being connected to bolt 51.Therefore, compared to the coil width 28a, Fig. 5 (b) of the helical spring 28 shown in Fig. 5 (a) Shown coil width 28a is big.In addition, the coil width 26a of the helical spring 26 for being configured at the periphery of beater support 18 For, because small by being influenceed because of external force compared with small coil springs 28, almost without difference under each state.

Like this, in the mark torque spanner 1 of present embodiment, because the difference of the projecting height of bolt 51 can be via Helical spring 28 absorbs, so regardless of 51 and nut 52 thickness or size by the secure component that pick up is bolted, all All the time action can be stably marked.

Next, the resettlement section of the sleeve 12 of the mark torque spanner 1 that can cover present embodiment is represented on Fig. 6 Resin-made lid 30.As shown in fig. 6, resin-made lid 30 is formed with six medial plane 30a in outer peripheral face.The resin-made lid 30 are formed as that the size of the inner peripheral surface of sleeve 12 can be abutted by six medial plane 30a.Additionally, adjacent to each other outer Flexure plane 30b is formed between side plane 30a.Like this, in resin-made lid 30, six medial plane 30a and six bending Face 30b alternate combinations and constitute outer peripheral face.In Fig. 6, in order that this structure becomes clear and definite, by medial plane 30a and flexure plane 30b Between border shown with chain-dotted line.Additionally, as can be seen from Figure 6, recess 30c is formed with one end of resin-made lid 30, at this Ink holding member 32 is provided with recess 30c.Secondly, the state that the resin-made lid 30 is installed on sleeve 12 is represented with Fig. 7.

As shown in fig. 7, because the recess 30c of resin-made lid 30 is formed as the diameter roughly the same with beater face 16a, institute Once with the insertion sleeve 12 of resin-made lid 30, the form of recess 30c is inserted in the beater face 16a sides that will turn into beater 16.This When, because beater face 16a is connected to the ink holding member 32 in recess 30c, ink can be coated with the 16a of beater face Water.Thereby, it is possible to protect beater face 16a, and prevent beater face 16a from drying.

Secondly, Fig. 8 represents the installment state of the resin-made lid 30 observed from the collecting side of sleeve 12.In Fig. 8 (a) In, represent that the medial plane 30a of resin-made lid 30 is connected to the state of the inner surface of sleeve 12.On the other hand, in Fig. 8 (b) In, represent that the flexure plane 30b of resin-made lid 30 is crimped on the state of the inner surface of sleeve 12.

In fig. 8, in order to clear and definite insertion sleeve 12 resin-made lid 30 configuration, by specific curvature Mian30bYu centers Shown with dot-dash linear list.Thus, when being changed into the state of Fig. 8 (b) from the state of Fig. 8 (a), resin-made lid 30 is around fastening axis (reference picture 3) rotates 30 degree.The resin-made lid 30 of present embodiment is because be to be formed as flexure plane 30b like this to be put down than outside Face 30a is prominent to radial direction, so after being inserted in the way of inner surfaces of the medial plane 30a along sleeve 12, by taking up Gu axis is rotated, it becomes possible to which flexure plane 30b is crimped on the inner surface of sleeve 12 with the elastic deformation of resin such that it is able to will Resin-made lid 30 is stably held in sleeve 12.In Fig. 8 (b) shown in arrow 6 at be applied with pressure from flexure plane 30b Power.

In addition, in the above-described embodiment, as support force application element and beater force application element, all exemplified with using spiral shell Revolve the structure of spring.It is however not limited to this, even if even other elastomeric elements such as leaf spring are used separately as into force application element.

Additionally, in the above-described embodiment, as the linkage that power is delivered to beater support from pole, exemplified with Use a structure for L-type pole.It is however not limited to this, as long as the power from pole can be increased and make beater support The sufficient structure of stroke, then can also be connecting rod that multiple parts are constituted.

Additionally, in the above-described embodiment, it is illustrated that the structure with ratchet mechanism, even if being without ratchet mechanism Torque spanner even.

Additionally, in the above-described embodiment, as one of the flexure plane for forming resin-made lid outer peripheral face, show to The example of external diameter direction protrusion and the smooth surface without flex point, but as long as being the shape more prominent to external diameter side than medial plane, Even even the shape with multiple flex points such as waveform.And, even length direction shape is uneven.At least in insertion The part more prominent to external diameter side than medial plane is formed with region in sleeve, it becomes possible to obtain identical effect.

(symbol description)

1 mark torque spanner

2 head pieces

2a heads

2b head shafts

4 action bars

4a elongated holes

6 thrusters

8 force application springs

10 toggle links

10a toggles

12 sleeves

12a resettlement sections

12b hook tooths

14 switching parts

14a ratchet pawls

15 marking mechanism

16 beaters

16a beaters face

16b shoulders

17 lids

18 beater supports

18a outer peripheral faces

18b opening portions

18c spring bases

18d stent helix parts

20 poles

21 connecting shafts

22 L-type poles (linkage)

22a short sides

22b sides long

22c bending sections

23 lids

24 fulcrums (linkage)

25 pillars

26 helical springs (the first helical spring, support force application element)

26a coil widths

28 helical springs (the second helical spring, beater force application element)

28a coil widths

30 resin-made lids

30a medial planes

30b flexure planes

30c recesses

32 ink holding members

51 bolts (fastening object)

52 nuts (fastening object)

Claims

1. a kind of mark torque spanner, passes through between the sleeved head of tool and the thruster exerted a force from the rear end side of action bars Toggle link is connected, and the motion according to thruster side backward is marked, it is characterised in that have：

The beater of mark；

Beater support, it can be moved along the fastening axis direction of the sleeve, and so that beater is facing to terminal operation side Mode keeps the beater；

Support force application element, its direction makes the beater support be exerted a force away from the direction of terminal operation side；

Beater force application element, it exerts a force in the beater support to the beater, so that the beater is made towards the fastening Industry side protrudes；

Pole, its one end is connected to the thruster, and is configured along action bars；And

Linkage, it is located between the other end extended to the head side of the pole and the beater support, and will The thruster is transformed into the beater support towards the displacement of the terminal operation side towards the rear end side,

The sleeve is formed with the resettlement section of regular hexagon in the terminal operation side,

The mark torque spanner has resin-made lid, and the resin-made lid can be dismounted relative to the sleeve, and Outer peripheral face is formed by six medial planes and six flexure planes, wherein, six medial planes can be with the sleeve Six face inscribes of the inner side of the terminal operation side, six flexure planes be consecutively formed at the adjacent medial plane it Between, and distance away from center is more slightly larger to the distance of the medial plane than from the center, also, it is being formed at the resin-made lid The recess of one end be embedded with the ink holding member that can be abutted with the beater face.

2. a kind of mark torque spanner, passes through between the sleeved head of tool and the thruster exerted a force from the rear end side of action bars Toggle link is connected, and the motion according to thruster side backward is marked, it is characterised in that have：

The beater of mark；

The linkage is made up of L-type pole, the L-type pole with bending position as fulcrum can rotationally by e axle supporting, and And, the short side of the L-type pole relative can slidably connect in the elongated hole formed along the length direction of short side with the pole Connect, side long direction and the beater support and terminal operation side opposite side the end abutment of the L-type pole Position extends.

It is 3. as claimed in claim 2 to mark torque spanner, it is characterised in that

The beater support is to be formed with opening portion and protruded on outer peripheral face in the terminal operation side to be formed with spring base Cartridge；

The support force application element is the first spiral bullet exerted a force in the way of making the spring base away from the terminal operation side Spring；

Shoulder is provided projectingly near the beater face of the beater, the shoulder can be with the opening portion of the beater support Inner peripheral engaging；

The beater force application element is the second helical spring that the beater exerts a force to the terminal operation side.

4. torque spanner is marked as claimed in claim 2 or claim 3, it is characterised in that

Additionally, the mark torque spanner has resin-made lid, the resin-made lid can be torn open relative to the sleeve Dress, and outer peripheral face is formed by six medial planes and six flexure planes, wherein, six medial planes can be with the set Six face inscribes of the inner side of the terminal operation side of cylinder, six flexure planes are consecutively formed at the adjacent outside and put down Between face, and distance away from center is more slightly larger to the distance of the medial plane than from the center, also, is being formed at the resin-made The recess of one end of lid is embedded with the ink holding member that can be abutted with the beater face.