CN101835566B - Marking torque wrench - Google Patents
Marking torque wrench Download PDFInfo
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- CN101835566B CN101835566B CN2008801124038A CN200880112403A CN101835566B CN 101835566 B CN101835566 B CN 101835566B CN 2008801124038 A CN2008801124038 A CN 2008801124038A CN 200880112403 A CN200880112403 A CN 200880112403A CN 101835566 B CN101835566 B CN 101835566B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/15—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers having a mechanism to mark the work when the selected torque is applied to the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
- B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
- B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
- B25B23/1427—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
This aims to provide a marking torque wrench for performing a marking automatically without requiring any link mechanism or the like but by utilizing a displacement accompanying the action of a toggle mechanism. When a fastening force reaches a predetermined value, the toggle mechanism (10) acts, and a stamping mechanism (including a stamp pushing rod (7) and a marking stamp (5)) acts to perform the marking automatically. The marking torque wrench comprises a starting magnet (22) for moving in association with the displacement accompanying the action of the toggle mechanism (10), and a stamp pushing magnet (9) mounted on the stamping mechanism side for causing the magnetic forces of itself and the starting magnet (22) to act when the starting magnet (22) moves. The stamping mechanism is constituted such that the stamp-pushing magnet (9) moves with the magnetic forces acting between the starting magnet (22) and the stamp-pushing magnet (9) when the starting magnet (22) moves, thereby to perform the stamping action.
Description
Technical field
The present invention relates to a kind of marking torque wrench, can be when bolt or nut fastening, toggle mechanism action when fastening force has reached setting, and make fastening force constant, and along with automatically carrying out mark with the fastening completion of regulation fastening force.
Background technology
When bolt or nut fastening in the employed torque wrench, the torque wrench of the following preset type that is widely used: toggle mechanism action and make fastening force constant when fastening force has reached setting can not produce the excessive or not enough of fastening force.Through suitably using this torque wrench, can make the constant bolted operation of fastening force etc.
On the other hand, as the countermeasure that prevents to forget bolted in the assembling procedure of production line etc., implement bolted and accomplish that the example of mark is more to be seen.Recently, the torque wrench (for example with reference to patent documentation 1) of the tape label function of the mark in the time of can automatically carrying out fastening the completion is sold by torque wrench manufacturer on market.
Torque wrench mechanism as the current tape label function that provides does, when having reached the bolted moment of torsion, utilizes the ratchet portion that the action of spanner toggle causes and the displacement of shaking the head of handle portion, connects via mechanicalness to make the action of mark seal.
In addition, a kind of torque wrench (with reference to patent documentation 2) that utilizes air pressure has been proposed in addition.In this torque wrench, through carrying out the seal action from the outside by the supply power of the air of supplies such as breather pipe.
Patent documentation 1: japanese kokai publication hei 6-297352 communique
Patent documentation 2: japanese kokai publication sho 62-130182 communique
But, above-mentioned existing the utilization in the torque wrench that mechanicalness connects, be difficult to make the component parts miniaturization, and number of components also becomes many in order to ensure the seal stroke, therefore exist as the unworkable problem of operation tool.And, the problems such as fault that the wearing and tearing etc. of movable part cause also exist to take place.
On the other hand, in utilizing the torque wrench of air pressure, do not use the mechanism of transmission of drive force such as bindiny mechanism and can realize the elimination of the problems referred to above point, but existence needs the problem of breather pipe and air supply source.
Summary of the invention
The present invention is that background is carried out with above-mentioned situation, and its objective is provides a kind of marking torque wrench, need not special mechanism and is connected etc. with outside, can carry out mark through the magnetic force that utilizes magnet.
That is, among marking torque wrench of the present invention, first invention is characterised in that, carries out automatically in the torque wrench of mark in toggle mechanism when the fastening force for bolt or nut has reached setting action, while seal mechanism action, possesses:
Play moving magnet, with the displaced plate interlock of the action of following above-mentioned toggle mechanism move; With
Seal is pushed magnet, is installed in above-mentioned seal mechanism side, because the above-mentioned moving magnet that plays carries out above-mentioned mobile and mutual magnetic force and acts on each other;
Above-mentioned seal mechanism constitutes, and through owing to above-mentionedly play above-mentioned the moving of moving magnet and play moving magnet with above-mentioned seal is pushed the magnetic force that acts between the magnet above-mentioned, above-mentioned seal is pushed magnet and moved and carry out seal and move.
The marking torque wrench of second invention is characterised in that in above-mentioned first invention, above-mentioned moving magnet and above-mentioned seal are pushed magnet and be configured to, and follow moving of above-mentioned moving magnet, and the magnetic force of homopolarity acts on each other and produces repulsive force each other.
The marking torque wrench of the 3rd invention is characterised in that; In above-mentioned first or second invention; Above-mentioned moving magnet constitutes, and owing to the action of above-mentioned toggle mechanism is turned back to initial position by open, makes this play moving magnet and pushes the magnetic force of effect disappearance each other between the magnet with above-mentioned seal; This marking torque wrench has elastomeric element, and this elastomeric element makes above-mentioned seal push the position before magnet turns back to the seal action when this magnetic force disappears, and removes the seal action of above-mentioned seal mechanism.
The marking torque wrench of the 4th invention is characterised in that; In a certain of above-mentioned first to the 3rd invention, above-mentioned moving magnet and above-mentioned seal are pushed magnet and are constituted, because the action of above-mentioned toggle mechanism is turned back to initial position by open and above-mentioned moving magnet; Therefore play moving magnet at this and push the magnetic force that acts on each other between the magnet with this seal; Through this magnetic force, above-mentioned seal is pushed the position before magnet returns seal action, and removes the seal action of above-mentioned seal mechanism.
The marking torque wrench of the 5th invention is characterised in that; In above-mentioned the 4th invention; Above-mentioned moving magnet and above-mentioned seal are pushed magnet and are configured to; Because the action of above-mentioned toggle mechanism is turned back to initial position by open and above-mentioned moving magnet, therefore the magnetic force of heteropole acts on each other and produces attraction each other.
The present invention utilizes the displacement of ratchet that the toggle action of torque wrench causes or main part etc., and as the mechanism that makes the seal action and utilize magnetic force.
In the present invention, when the fastening completion of torque wrench, the ratchet portion that causes with the action displacement of toggle or the interlocks such as the displacement of shaking the head of handle portion, the displacements such as arm that added on the torque wrench play moving magnet thereupon and move.At this moment, on seal top or seal pressing lever etc., be installed in the magnet of pushing in the seal mechanism, and be installed in and play that magnetic force acts on each other between the moving magnet on the above-mentioned arm bottom etc., make seal mechanism carry out the seal action.This moment is the magnetic force of effect each other, can utilize repulsive force based on homopolarity, also can utilize attraction based on heteropole.In order to become more simply structure, preferably carry out the seal action with the mode of utilizing repulsive force to press mark mechanism.
In addition, when the action of the toggle of torque wrench is open, plays a moving magnet and return initial position, rows of magnets repulsion disappears, and seal can be returned to initial position through back-moving spring etc. thus.
In addition; According to magnet the research of magnetism method; Through a plurality of different magnetic poles are set on each magnet; So that along with playing moving, returning of moving magnet, mutual the magnetic surface of magnetic force effect is changed to the state of homopolarity each other and the state of heteropole each other, can also carry out thus that seal is pushed, the both sides of the action of seal releasing through magnetic force.
The effect of invention:
As stated; According to marking torque wrench of the present invention; At toggle mechanism when the fastening force for bolt or nut has reached setting action, seal mechanism action and carry out in the torque wrench of mark automatically simultaneously; Possess: play moving magnet, with the displaced plate interlock of the action of following above-mentioned toggle mechanism move; Push magnet with seal, be installed in above-mentioned seal mechanism side, carry out above-mentioned mobile and mutual magnetic force and act on each other through the above-mentioned moving magnet that plays; Above-mentioned seal mechanism constitutes, and through owing to above-mentionedly play above-mentioned the moving of moving magnet and play moving magnet with above-mentioned seal is pushed the magnetic force that acts between the magnet above-mentioned, above-mentioned seal is pushed magnet and moved and carry out seal and move; Therefore, can access following effect.
1. can reduce the mechanicalness contact portion, the fault that therefore can avoid wearing and tearing etc. and cause.
2. have nothing to do, can obtain bigger seal displacement with the movable member displacement, therefore can make component parts simplification, miniaturization through rows of magnets repulsion.
3. have nothing to do, can obtain stronger seal pressing force with the movable member action force, therefore can make simplification, the miniaturization of component parts through rows of magnets repulsion.
Description of drawings
Fig. 1 is the partial sectional view of the marking torque wrench of expression one embodiment of the present invention.
Fig. 2 is the vertical view of this embodiment.
Fig. 3 is the figure of action of the mark mechanism of this embodiment of explanation.
Fig. 4 is the figure of action of the mark mechanism of explanation the present invention other embodiments.
Fig. 5 is the enlarged drawing of this embodiment.
Fig. 6 is the figure of other other embodiments of expression the present invention.
Fig. 7 is the figure of other other embodiments of expression the present invention.
Fig. 8 is the figure of other other embodiments of expression the present invention.
Fig. 9 is the figure of the installment state of the actuating arm in the expression embodiment of the present invention.
The explanation of symbol:
1 marking torque wrench
2 torque wrench main bodys
6 mark seals
7 seals are by the resilience spring
8 seal pressing levers
9 seals are pushed magnet
10 toggle mechanisms
21 actuating arms
22 moving magnets
90 seals are pushed magnet
220 moving magnets
221 moving magnets
222 moving magnets
The specific embodiment
(embodiment 1)
Below, the marking torque wrench of an embodiment of the invention is described according to Fig. 1 to Fig. 3.
Fig. 1 is the partial sectional view of integral body of this mark spanner 1 of expression, in the front of tubular torque wrench main body 2 head member 3 is installed rotatably.The part of head member 3 stretches in torque wrench 2, and links with a side of the toggle mechanism that is arranged at torque wrench main body 2 10.The opposite side of toggle mechanism 10 and torque wrench main body 2 sides link.
In addition, on head member 3, be fixed with driver part 3a, on this driver part 3a, be provided with expansion cylindrical shell 4, be provided with the sleeve 5 that bolted is used at the front end of this expansion cylindrical shell 4 with the mode of intersecting with above-mentioned torque wrench main body 2.
In expansion cylindrical shell 4, be configured to and can move vertically along axial mark seal 6, the front of this mark seal 6 projects to sleeve 5 in through the through hole 5a that on sleeve 5, is provided with and also can carry out seal through front.In addition, be provided with stage portion 6a,, dispose seal by resilience spring 7 as elastomeric element at this stage portion 6a and between the stage portion 4a that is provided with on the expansion cylindrical shell 4 at the central portion of mark seal 6.Seal by resilience spring 7 does; Be at mark seal 6 under the situation of common position (initial position); Only be applied in the deadweight of mark seal 6 grades; It is supported that when mark seal 6 advanced (moving in the drawings) downwards, this seal was compressed by resilience spring 7 and produces mark seal 6 by the elastic force that returns initial position through elastic force.
In addition, be equally in expansion cylindrical shell 4 vertically the front of seal pressing lever 8 of configuration be positioned at the base end side of mark seal 6, the upper side of parts 3 is outstanding headward through the through hole 3b that on head member 3, is provided with for the base end side of seal pressing lever 8.On the outstanding side end of this seal pressing lever 8, the seal that has magnetic pole on the surface is installed pushes magnet 9.Constitute mark mechanism by above-mentioned mark seal 6 and seal pressing lever 8.
In addition, on above-mentioned head member 3, be fixed with extension plate 20, this extension plate 20 stretches at the upper side of torque wrench main body 2 length direction along this torque wrench main body 2.Along the actuating arm 21 of the length direction of torque wrench main body 2 configuration, be positioned at the upper side of this extension plate 20.The rear side of this actuating arm 21 is bearing in the rearward end of above-mentioned extension plate 20 through the pin 25 rotatable earth's axis.Actuating arm 21 rearward stretches from the axle support, and by the pin that on torque wrench main body 1, is provided with 26 rotatable earth's axis supportings.These actuating arm 21 grades are covered by the lid 28 that is installed on the extension plate 20.
The front of actuating arm 21 is stretched to the position that can arrive above-mentioned seal pressing lever 8, pushes magnet 9 sides in its front towards seal a moving magnet 22 that is provided with magnetic pole from the teeth outwards is installed.
Above-mentioned seal is pushed magnet 9 and is played moving magnet 22 and by magnetic done, has magnetic pole in an above-mentioned opposed suchly side, and to make each magnetic pole be homopolarity.As shown in Figure 2; Above-mentioned actuating arm 21 does; Above-mentioned pin 25 is arranged on the position of departing from the width; So that by under the opened state, above-mentioned moving magnet 22 is in from above-mentioned seal pushes the initial position that the opposed locations of magnet 9 is left in the action of toggle mechanism 10, actuating arm 21 is positioned at the position that has inclination with respect to the length direction of torque wrench main body 2 thus.
On the other hand, when prescribed torque is fastening, carry out shaking the head during action of head member 3 when toggle mechanism 10 action, above-mentioned actuating arm 21 is an application point and be that the center rotates predetermined angular with above-mentioned pin 25 with pin 26.As a result, the front that has been provided with moving magnet 22 is positioned as, and above-mentioned moving magnet 22 pushed magnet 9 over against putting with above-mentioned seal.When toggle when open, actuating arm 21 revert to above-mentioned initial position, plays moving magnet 22 and seal and pushes magnet 9 and become and do not act on magnetic force each other, concern from the position that opposed locations is left.In addition, make pin 25 and the distance that rises between the installation site of moving magnet 22 bigger than pin 25, distance between 26, be exaggerated and rise a moving magnet 22 based on above-mentioned amount of movement of shaking the head action and move.
The action of above-mentioned marking torque wrench 1 then, is described.
Be used for fastening moment of torsion to marking torque wrench 1 is preset, in sleeve 5, accommodate and carry out fastening bolt head 30.At this moment, because toggle mechanism 10 is by open, so actuating arm 21 is in initial position, plays moving magnet 22 and is positioned at from above-mentioned seal and pushes the position that the opposed locations of magnet 9 is left.Therefore, between two magnet, almost do not have the influence of mutual magnetic force and the power of effect each other can not take place each other.In addition, mark seal 6 supported by resilience spring 7 by seal and is in initial position, and above-mentioned seal is pushed magnet 9 and is in from the beginning that parts 3 are to the outstanding state in top, and the front end of mark seal 6 also is in the state of roughly to sleeve 5 in, not giving prominence to.
When under above-mentioned state, carrying out when fastening via torque wrench main body 2, before arriving default moment of torsion, bolt head 30 is through sleeve 5 rotations.When fastening force reaches default moment of torsion, toggle mechanism 10 action, head member 3 action of shaking the head.Follow this action of shaking the head, as stated, actuating arm 21 is center rotation with pin 25, rise moving magnet 22 and above-mentioned seal push magnet 9 over against.In addition, stop at over against the position in order to make actuating arm 21, and extension plate 20 is provided with brake 27, this brake 27 does, actuating arm 21 butts that rotated and be prevented from its further rotation.
Such as stated the magnetic poles of two magnet with homopolarity, and produce repulsive force through carrying out acting on each other over against mutual thus magnetic force.Play moving magnet 22 and supported by actuating arm 21, so the position of above-below direction is held, on the other hand, above-mentioned seal is pushed magnet 9 and is moved with the mode of leaving from moving magnet 22.
Follow this seal to push moving of magnet 9, seal pressing lever 8 moves, and mark seal 6 resistance seals are advanced by the elastic force of resilience spring 7.Because advancing of mark seal 6, its front end is outstanding from the through hole 5a of sleeve 5, finally arrives bolt head 30, and this bolt head 30 is carried out seal.When via fastening the stopping of torque wrench main body 3, toggle mechanism 10 is by open and former state is returned in shaking the head of head member 3.Thus, actuating arm 21 also rotates with the mode of returning initial position, plays moving magnet 22 also to moving from pushing the position of leaving magnet 9 opposed positions with seal.As a result, the magnetic force of effect disappears each other between magnet, makes seal push the repulsive force disappearance that magnet 9 moves.So the pressing force that applies via 8 pairs of mark seals 6 of seal pressing lever disappears, this mark seal 6 is pressed back by the elastic force of resilience spring 7 by seal, and revert to initial position.Through above-mentioned action, do not need special mechanism, just can utilize the less displacement of actuating arm and give bigger stroke mark mechanism.
(embodiment 2)
In the above-described embodiment; When toggle is opened; Utilize the elastic force of elastomeric element to carry out the recurrence action of mark mechanism; But through pushing the magnetic pole of magnet and distribute and study, do not use above-mentioned elastomeric element, and the recurrence that utilizes the magnetic force of magnet just can carry out seal mechanism is moved to playing moving magnet and seal.That is, utilize the multipole magnet of N/S is extremely different diametrically magnet, single face etc.,, the repulsive force of generation, attraction are changed through making the position relationship change of magnet.Need the time not be used to make the spring etc. of seal return-to-home position thus in non-action.
According to Fig. 4,5 these embodiments 2 of explanation.In addition, for giving identical symbol with above-mentioned embodiment 1 identical structure and omitting or simplify its explanation.
In embodiment 2, at the base end side of spring pressing lever 8 seal is installed and pushes magnet 90, in the front of actuating arm 21 moving magnet 220 has been installed.Rise moving magnet 90 and seal push magnet 220 divided ground magnetic be that the magnetic pole that becomes heteropole respectively is positioned on the moving direction (stroke directions) of actuating arm 21 with same sequence.In addition; Be done as follows the division of above-mentioned magnetic pole: when actuating arm 21 is in initial position; It is mutually opposed to play the magnetic pole that becomes heteropole that moving magnet 90 and seal push magnet 220, and on the shift position when toggle move, a moving magnet 90 and seal are pushed the homopolarity of magnet 220 and put against each other.
In Fig. 4, represented following formation: play moving magnet 220 and seal and push magnet 90, both over against the time, homopolarity (the N utmost point each other with the S utmost point each other) is faced mutually each other, at toggle by open and when playing a moving magnet 90 and reverting to initial position, the N utmost point is faced with the S utmost point mutually.
The action of above-mentioned torque wrench is described; When toggle open, when actuating arm 21 is in original state, like Fig. 4, shown in 5; A N utmost point of being divided that plays a S utmost point of being divided of moving magnet 220, pushes magnet 90 with seal faces, and other magnetic poles of mutual magnet are effect each other.Under above-mentioned state, a moving magnet 90 is pushed magnet 220 with seal and is attracted each other, and with respect to a moving magnet 220 of being supported by actuating arm 21, seal is pushed magnet 90 through attraction and to moving magnet 220 side shifting.Should move from seal pressing lever 8 and be passed to the mark seal 6 with its binding, and mark seal 6 is retreated and placed initial position.
On the other hand, when because when bolt head etc. fastening and toggle mechanism 10 actions, above-mentioned actuating arm 21 rotations, rise moving magnet 220 and seal push magnet 90 over against.The result; It is mutually opposed that the S utmost point being divided that plays moving magnet 220 and seal are pushed the N utmost point being divided and the N utmost point of being divided that seal is pushed magnet 90 of S utmost point being divided and a moving magnet 220 of magnet 90, and mutual magnetic force acts on each other and produces repulsive force.Through this repulsive force, with respect to a moving magnet 220 that is fixed on the actuating arm 21, seal is pushed magnet 90 and is moved to the diagram below, and mark seal 6 advances via seal pressing lever 8, carries out the seal action.
In addition, when toggle is opened, actuating arm 21 rotations as stated; Push between the magnet 90 and act on attraction playing moving magnet 220 and seal; Seal is pushed magnet 90 by near to playing moving magnet 220 laybacks, and mark seal 6 is retreated via seal pressing lever 8, revert to initial position.
(embodiment 3)
In above-mentioned each embodiment, the magnet configuration of interaction magnetic force is the opposed faces almost parallel, but when leaving each other, each other the effect magnetic force weaken, so study through the shape to magnet, the distance that magnetic force is acted on does not each other diminish.In addition, for the structure additional phase identical symbol and omission explanation together with above-mentioned embodiment.
That is, as shown in Figure 6, a moving magnet 221 of installation inclined plane shape is perhaps as shown in Figure 7 on actuating arm 21, a moving magnet 222 of installation step shape on actuating arm 21.In playing moving magnet 221; With more from seal push a side that magnet 9 leaves, and the seal more little mode of distance of pushing between the magnet 221 magnetic surface is tilted; In playing moving magnet 222, pushing the side that magnet 9 leaves from seal, the stage portion 222a that is positioned at the below is set.Rise in the moving magnet 221,222 at these; Along with rise moving magnet 221,222 to moving over against the position seal push magnet 9 through magnetic force to crisscross when mobile; The expansion that also can make moving magnet 221,222 and seal push the gap of magnet 9 reduces, and obtains the effect of stronger magnetic force.In addition, in this embodiment, the example of the change in shape that has made moving magnet has been described, but also can have been made seal push the change in shape of magnet side.
(embodiment 4)
Explained that in embodiment 1,2 moving magnet and seal push the configuration example of the magnetic pole of magnet.But as the present invention, the collocation method of the magnetic pole of above-mentioned magnet is not limited to this, can expect variety of way.According to Fig. 8 its example is described.
Fig. 8 (a) is an example of magnetic along the thickness direction of columniform magnet, the magnetic pole of heteropole occurs becoming at front and back.Fig. 8 (b) is that direction the example of magnetic surfacewise, on outer peripheral face, appears at the magnetic pole that becomes heteropole in 180 the angular range.Fig. 8 (c) is for magnetic along the thickness direction of columniform magnet and being divided into the example (two sides 4 utmost points) of the magnetic pole that becomes heteropole diametrically.Fig. 8 (d) is for making single face and magnetic and be configured as diametrically the example (single face 2 utmost points) of the magnetic pole of heteropole along the thickness direction of columniform magnet.
Fig. 8 (e) is for being set to the example (single face is multipole) of the magnetic pole of heteropole on the single face of columniform magnet, according to every predetermined angular.Fig. 8 (f) is for being set to the example (periphery is multipole) of the magnetic pole of heteropole on the outer peripheral face of columniform magnet, according to every predetermined angular.Fig. 8 (g) is the variation of Fig. 8 (a), is the example that the magnet shape is formed ring-type.Fig. 8 (h) becomes ring-type and the example along the footpath towards magnetic equally.In addition, Fig. 8 (i) is the variation of Fig. 8 (e), is the example (single face is multipole) that the magnet shape is formed ring-type.Fig. 8 (j) is the example (interior week is multipole) that on the inner peripheral surface of the magnet of ring-type, has formed the magnetic pole that becomes heteropole according to every predetermined angular, and Fig. 8 (k) is the example (periphery is multipole) that has formed the magnetic pole that becomes heteropole at the outer peripheral face of the magnet of ring-type according to every predetermined angular.
Fig. 8 (l) is an example of magnetic along the thickness direction of the magnet of square column shape, Fig. 8 (m) be on the single face of the magnet of square column shape with the mode that on surface direction, alternately forms the magnetic pole that becomes heteropole, the example (single face is multipole) of magnetic along thickness direction.Fig. 8 (n) is the mode that on the magnet of square column shape, with the magnetic pole that on surface direction, becomes heteropole, alternately forms magnetic along thickness direction a example (two sides is multipole).
(embodiment 5)
In above-mentioned each embodiment, will convert the rotation of actuating arm into based on the action of shaking the head of the head member of the action of toggle mechanism.At this moment, owing to stagger in the position of the rotating shaft of the central shaft of shaking the head of head member and actuating arm, so preferably constitute the action of shaking the head along with head member, actuating arm rotates swimmingly.According to Fig. 9 this structure is described.
That is, actuating arm 21 and the pin of in embodiment 1, having explained 25 and selling between 26, the size that makes the axis hole 21a that inserts logical pin 25,26,21b suitably, and between is provided with suitable gap, can realize smooth and easyization of above-mentioned rotation thus.In addition; The gap that supply and marketing 26 is inserted among the logical axis hole 21b is bigger than the gap (B) among the supply and marketing 25 slotting axis hole 21a that lead to; And about the gap among the axis hole 21b; Preferably make along the gap (A1) of the length direction of torque wrench main body 2 gap (A2) big, make axis hole 21b become long hole shape than width.Therefore, the preference relation in above-mentioned gap is expressed as B＜A2＜A1.
More than, for the present invention, carried out the explanation of inventing according to above-mentioned embodiment, but the present invention is not limited to the content of above-mentioned embodiment, in the scope that does not break away from the scope of the invention, can change certainly.
Claims (6)
1. marking torque wrench, this torque wrench do, toggle mechanism action when the fastening force for bolt or nut has reached setting, seal mechanism action and automatically carry out mark simultaneously, and this marking torque wrench is characterised in that to possess:
Play moving magnet, with the displaced plate interlock of the action of following above-mentioned toggle mechanism move; With
Seal is pushed magnet, is installed in above-mentioned seal mechanism side, because the above-mentioned moving magnet that plays carries out above-mentioned mobile and mutual magnetic force and acts on each other;
Above-mentioned seal mechanism constitutes, and through owing to above-mentionedly play above-mentioned the moving of moving magnet and play moving magnet with above-mentioned seal is pushed the magnetic force that acts between the magnet above-mentioned, above-mentioned seal is pushed magnet and moved and carry out seal and move.
2. like the marking torque wrench of claim 1 record, it is characterized in that,
Above-mentioned moving magnet and above-mentioned seal are pushed magnet and are configured to, and follow moving of above-mentioned moving magnet, and the magnetic force of homopolarity acts on each other and produces repulsive force each other.
3. like the marking torque wrench of claim 1 record, it is characterized in that,
Above-mentioned moving magnet constitutes, and owing to the action of above-mentioned toggle mechanism is turned back to initial position by open, makes this play moving magnet and pushes the magnetic force of effect disappearance each other between the magnet with above-mentioned seal; This marking torque wrench has elastomeric element, and this elastomeric element makes above-mentioned seal push the position before magnet turns back to the seal action when this magnetic force disappears, and removes the seal action of above-mentioned seal mechanism.
4. like the marking torque wrench of claim 2 record, it is characterized in that,
Above-mentioned moving magnet constitutes, and owing to the action of above-mentioned toggle mechanism is turned back to initial position by open, makes this play moving magnet and pushes the magnetic force of effect disappearance each other between the magnet with above-mentioned seal; This marking torque wrench has elastomeric element, and this elastomeric element makes above-mentioned seal push the position before magnet turns back to the seal action when this magnetic force disappears, and removes the seal action of above-mentioned seal mechanism.
5. like the marking torque wrench of each record of claim 1～4, it is characterized in that,
Above-mentioned moving magnet and above-mentioned seal are pushed magnet and are constituted; Because the action of above-mentioned toggle mechanism is turned back to initial position by open and above-mentioned moving magnet; Therefore push the magnetic force that acts on each other between the magnet through play moving magnet and this seal at this; Above-mentioned seal is pushed the position before magnet turns back to seal action, and removes the seal action of above-mentioned seal mechanism.
6. like the marking torque wrench of claim 5 record, it is characterized in that,
Above-mentioned moving magnet and above-mentioned seal are pushed magnet and are configured to, because the action of above-mentioned toggle mechanism is turned back to initial position by open and above-mentioned moving magnet, therefore the magnetic force of heteropole acts on each other and produces attraction each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP306253/2007 | 2007-11-27 | ||
| JP2007306253A JP5029828B2 (en) | 2007-11-27 | 2007-11-27 | Marking torque wrench |
| PCT/JP2008/070413 WO2009069457A1 (en) | 2007-11-27 | 2008-11-10 | Marking torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101835566A CN101835566A (en) | 2010-09-15 |
| CN101835566B true CN101835566B (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801124038A Active CN101835566B (en) | 2007-11-27 | 2008-11-10 | Marking torque wrench |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5029828B2 (en) |
| CN (1) | CN101835566B (en) |
| WO (1) | WO2009069457A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI472411B (en) * | 2012-10-17 | 2015-02-11 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5814762B2 (en) | 2011-12-07 | 2015-11-17 | 株式会社東日製作所 | Torque screwdriver |
| DE102015204979A1 (en) * | 2015-03-19 | 2016-09-22 | Bayerische Motoren Werke Aktiengesellschaft | Assembly tool with marking function and method for forming markings in fasteners by means of a mounting tool |
| TWI581919B (en) * | 2016-04-12 | 2017-05-11 | man-ji Zhang | Assembly Method of Assembling Rotary Hand Tools |
| CN110757392B (en) * | 2019-11-07 | 2021-06-11 | 宁波远景汽车零部件有限公司 | Automatic dotting sleeve of wrench |
| CN113799035A (en) * | 2021-09-16 | 2021-12-17 | 中车青岛四方机车车辆股份有限公司 | Torque wrench |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667327A (en) * | 1970-07-13 | 1972-06-06 | Christopher James Lance | Manually operated marking torque wrench |
| DE2530077A1 (en) * | 1975-07-05 | 1977-02-03 | Daimler Benz Ag | Torque spanner with integral paint marker - has ratchet mechanism which actuates marking paint supply when required torque is reached |
| JP2000280185A (en) * | 1999-03-30 | 2000-10-10 | Nakamura Seisakusho:Kk | Torque wrench provided with marking function |
| JP2003136436A (en) * | 2001-10-30 | 2003-05-14 | Matsushita Electric Works Ltd | Electrically-driven tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4621356Y1 (en) * | 1966-06-25 | 1971-07-23 | ||
| JPH04152070A (en) * | 1990-10-17 | 1992-05-26 | Nippon Power Brake Kk | Marking device for torque wrench |
| JPH08187628A (en) * | 1994-12-29 | 1996-07-23 | Gastar Corp | Screw tightening check device and conveying system |
| JP4454727B2 (en) * | 1999-09-08 | 2010-04-21 | 株式会社東日製作所 | Marker device for torque wrench |
-
2007
- 2007-11-27 JP JP2007306253A patent/JP5029828B2/en active Active
-
2008
- 2008-11-10 WO PCT/JP2008/070413 patent/WO2009069457A1/en active Application Filing
- 2008-11-10 CN CN2008801124038A patent/CN101835566B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667327A (en) * | 1970-07-13 | 1972-06-06 | Christopher James Lance | Manually operated marking torque wrench |
| DE2530077A1 (en) * | 1975-07-05 | 1977-02-03 | Daimler Benz Ag | Torque spanner with integral paint marker - has ratchet mechanism which actuates marking paint supply when required torque is reached |
| JP2000280185A (en) * | 1999-03-30 | 2000-10-10 | Nakamura Seisakusho:Kk | Torque wrench provided with marking function |
| JP2003136436A (en) * | 2001-10-30 | 2003-05-14 | Matsushita Electric Works Ltd | Electrically-driven tool |
Non-Patent Citations (3)
| Title |
|---|
| JP昭46-21356 1971.07.23 |
| JP昭52-104199 1977.08.08 |
| JP特开平7-256565A 1995.10.09 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI472411B (en) * | 2012-10-17 | 2015-02-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101835566A (en) | 2010-09-15 |
| WO2009069457A1 (en) | 2009-06-04 |
| JP5029828B2 (en) | 2012-09-19 |
| JP2009125906A (en) | 2009-06-11 |
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